Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-2.6-microblaze.git] / drivers / staging / media / atomisp / pci / atomisp_cmd.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Support for Medifield PNW Camera Imaging ISP subsystem.
4  *
5  * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6  *
7  * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License version
11  * 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  *
19  */
20 #include <linux/errno.h>
21 #include <linux/firmware.h>
22 #include <linux/pci.h>
23 #include <linux/interrupt.h>
24 #include <linux/kernel.h>
25 #include <linux/kfifo.h>
26 #include <linux/pm_runtime.h>
27 #include <linux/timer.h>
28
29 #include <asm/iosf_mbi.h>
30
31 #include <media/v4l2-event.h>
32 #include <media/videobuf-vmalloc.h>
33
34 #define CREATE_TRACE_POINTS
35 #include "atomisp_trace_event.h"
36
37 #include "atomisp_cmd.h"
38 #include "atomisp_common.h"
39 #include "atomisp_fops.h"
40 #include "atomisp_internal.h"
41 #include "atomisp_ioctl.h"
42 #include "atomisp-regs.h"
43 #include "atomisp_tables.h"
44 #include "atomisp_acc.h"
45 #include "atomisp_compat.h"
46 #include "atomisp_subdev.h"
47 #include "atomisp_dfs_tables.h"
48
49 #include <hmm/hmm.h>
50
51 #include "sh_css_hrt.h"
52 #include "sh_css_defs.h"
53 #include "system_global.h"
54 #include "sh_css_internal.h"
55 #include "sh_css_sp.h"
56 #include "gp_device.h"
57 #include "device_access.h"
58 #include "irq.h"
59
60 #include "ia_css_types.h"
61 #include "ia_css_stream.h"
62 #include "ia_css_debug.h"
63 #include "bits.h"
64
65 /* We should never need to run the flash for more than 2 frames.
66  * At 15fps this means 133ms. We set the timeout a bit longer.
67  * Each flash driver is supposed to set its own timeout, but
68  * just in case someone else changed the timeout, we set it
69  * here to make sure we don't damage the flash hardware. */
70 #define FLASH_TIMEOUT 800 /* ms */
71
72 union host {
73         struct {
74                 void *kernel_ptr;
75                 void __user *user_ptr;
76                 int size;
77         } scalar;
78         struct {
79                 void *hmm_ptr;
80         } ptr;
81 };
82
83 /*
84  * get sensor:dis71430/ov2720 related info from v4l2_subdev->priv data field.
85  * subdev->priv is set in mrst.c
86  */
87 struct camera_mipi_info *atomisp_to_sensor_mipi_info(struct v4l2_subdev *sd)
88 {
89         return (struct camera_mipi_info *)v4l2_get_subdev_hostdata(sd);
90 }
91
92 /*
93  * get struct atomisp_video_pipe from v4l2 video_device
94  */
95 struct atomisp_video_pipe *atomisp_to_video_pipe(struct video_device *dev)
96 {
97         return (struct atomisp_video_pipe *)
98                container_of(dev, struct atomisp_video_pipe, vdev);
99 }
100
101 /*
102  * get struct atomisp_acc_pipe from v4l2 video_device
103  */
104 struct atomisp_acc_pipe *atomisp_to_acc_pipe(struct video_device *dev)
105 {
106         return (struct atomisp_acc_pipe *)
107                container_of(dev, struct atomisp_acc_pipe, vdev);
108 }
109
110 static unsigned short atomisp_get_sensor_fps(struct atomisp_sub_device *asd)
111 {
112         struct v4l2_subdev_frame_interval fi;
113         struct atomisp_device *isp = asd->isp;
114
115         unsigned short fps = 0;
116         int ret;
117
118         ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
119                                video, g_frame_interval, &fi);
120
121         if (!ret && fi.interval.numerator)
122                 fps = fi.interval.denominator / fi.interval.numerator;
123
124         return fps;
125 }
126
127 /*
128  * DFS progress is shown as follows:
129  * 1. Target frequency is calculated according to FPS/Resolution/ISP running
130  *    mode.
131  * 2. Ratio is calculated using formula: 2 * HPLL / target frequency - 1
132  *    with proper rounding.
133  * 3. Set ratio to ISPFREQ40, 1 to FREQVALID and ISPFREQGUAR40
134  *    to 200MHz in ISPSSPM1.
135  * 4. Wait for FREQVALID to be cleared by P-Unit.
136  * 5. Wait for field ISPFREQSTAT40 in ISPSSPM1 turn to ratio set in 3.
137  */
138 static int write_target_freq_to_hw(struct atomisp_device *isp,
139                                    unsigned int new_freq)
140 {
141         unsigned int ratio, timeout, guar_ratio;
142         u32 isp_sspm1 = 0;
143         int i;
144
145         if (!isp->hpll_freq) {
146                 dev_err(isp->dev, "failed to get hpll_freq. no change to freq\n");
147                 return -EINVAL;
148         }
149
150         iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
151         if (isp_sspm1 & ISP_FREQ_VALID_MASK) {
152                 dev_dbg(isp->dev, "clearing ISPSSPM1 valid bit.\n");
153                 iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
154                                isp_sspm1 & ~(1 << ISP_FREQ_VALID_OFFSET));
155         }
156
157         ratio = (2 * isp->hpll_freq + new_freq / 2) / new_freq - 1;
158         guar_ratio = (2 * isp->hpll_freq + 200 / 2) / 200 - 1;
159
160         iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
161         isp_sspm1 &= ~(0x1F << ISP_REQ_FREQ_OFFSET);
162
163         for (i = 0; i < ISP_DFS_TRY_TIMES; i++) {
164                 iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
165                                isp_sspm1
166                                | ratio << ISP_REQ_FREQ_OFFSET
167                                | 1 << ISP_FREQ_VALID_OFFSET
168                                | guar_ratio << ISP_REQ_GUAR_FREQ_OFFSET);
169
170                 iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
171                 timeout = 20;
172                 while ((isp_sspm1 & ISP_FREQ_VALID_MASK) && timeout) {
173                         iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
174                         dev_dbg(isp->dev, "waiting for ISPSSPM1 valid bit to be 0.\n");
175                         udelay(100);
176                         timeout--;
177                 }
178
179                 if (timeout != 0)
180                         break;
181         }
182
183         if (timeout == 0) {
184                 dev_err(isp->dev, "DFS failed due to HW error.\n");
185                 return -EINVAL;
186         }
187
188         iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
189         timeout = 10;
190         while (((isp_sspm1 >> ISP_FREQ_STAT_OFFSET) != ratio) && timeout) {
191                 iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
192                 dev_dbg(isp->dev, "waiting for ISPSSPM1 status bit to be 0x%x.\n",
193                         new_freq);
194                 udelay(100);
195                 timeout--;
196         }
197         if (timeout == 0) {
198                 dev_err(isp->dev, "DFS target freq is rejected by HW.\n");
199                 return -EINVAL;
200         }
201
202         return 0;
203 }
204
205 int atomisp_freq_scaling(struct atomisp_device *isp,
206                          enum atomisp_dfs_mode mode,
207                          bool force)
208 {
209         /* FIXME! Only use subdev[0] status yet */
210         struct atomisp_sub_device *asd = &isp->asd[0];
211         const struct atomisp_dfs_config *dfs;
212         unsigned int new_freq;
213         struct atomisp_freq_scaling_rule curr_rules;
214         int i, ret;
215         unsigned short fps = 0;
216
217         if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP) {
218                 dev_err(isp->dev, "DFS cannot proceed due to no power.\n");
219                 return -EINVAL;
220         }
221
222         if ((isp->pdev->device & ATOMISP_PCI_DEVICE_SOC_MASK) ==
223             ATOMISP_PCI_DEVICE_SOC_CHT && ATOMISP_USE_YUVPP(asd))
224                 isp->dfs = &dfs_config_cht_soc;
225
226         dfs = isp->dfs;
227
228         if (dfs->lowest_freq == 0 || dfs->max_freq_at_vmin == 0 ||
229             dfs->highest_freq == 0 || dfs->dfs_table_size == 0 ||
230             !dfs->dfs_table) {
231                 dev_err(isp->dev, "DFS configuration is invalid.\n");
232                 return -EINVAL;
233         }
234
235         if (mode == ATOMISP_DFS_MODE_LOW) {
236                 new_freq = dfs->lowest_freq;
237                 goto done;
238         }
239
240         if (mode == ATOMISP_DFS_MODE_MAX) {
241                 new_freq = dfs->highest_freq;
242                 goto done;
243         }
244
245         fps = atomisp_get_sensor_fps(asd);
246         if (fps == 0) {
247                 dev_info(isp->dev,
248                          "Sensor didn't report FPS. Using DFS max mode.\n");
249                 new_freq = dfs->highest_freq;
250                 goto done;
251         }
252
253         curr_rules.width = asd->fmt[asd->capture_pad].fmt.width;
254         curr_rules.height = asd->fmt[asd->capture_pad].fmt.height;
255         curr_rules.fps = fps;
256         curr_rules.run_mode = asd->run_mode->val;
257         /*
258          * For continuous mode, we need to make the capture setting applied
259          * since preview mode, because there is no chance to do this when
260          * starting image capture.
261          */
262         if (asd->continuous_mode->val) {
263                 if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
264                         curr_rules.run_mode = ATOMISP_RUN_MODE_SDV;
265                 else
266                         curr_rules.run_mode =
267                             ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
268         }
269
270         /* search for the target frequency by looping freq rules*/
271         for (i = 0; i < dfs->dfs_table_size; i++) {
272                 if (curr_rules.width != dfs->dfs_table[i].width &&
273                     dfs->dfs_table[i].width != ISP_FREQ_RULE_ANY)
274                         continue;
275                 if (curr_rules.height != dfs->dfs_table[i].height &&
276                     dfs->dfs_table[i].height != ISP_FREQ_RULE_ANY)
277                         continue;
278                 if (curr_rules.fps != dfs->dfs_table[i].fps &&
279                     dfs->dfs_table[i].fps != ISP_FREQ_RULE_ANY)
280                         continue;
281                 if (curr_rules.run_mode != dfs->dfs_table[i].run_mode &&
282                     dfs->dfs_table[i].run_mode != ISP_FREQ_RULE_ANY)
283                         continue;
284                 break;
285         }
286
287         if (i == dfs->dfs_table_size)
288                 new_freq = dfs->max_freq_at_vmin;
289         else
290                 new_freq = dfs->dfs_table[i].isp_freq;
291
292 done:
293         dev_dbg(isp->dev, "DFS target frequency=%d.\n", new_freq);
294
295         if ((new_freq == isp->sw_contex.running_freq) && !force)
296                 return 0;
297
298         dev_dbg(isp->dev, "Programming DFS frequency to %d\n", new_freq);
299
300         ret = write_target_freq_to_hw(isp, new_freq);
301         if (!ret) {
302                 isp->sw_contex.running_freq = new_freq;
303                 trace_ipu_pstate(new_freq, -1);
304         }
305         return ret;
306 }
307
308 /*
309  * reset and restore ISP
310  */
311 int atomisp_reset(struct atomisp_device *isp)
312 {
313         /* Reset ISP by power-cycling it */
314         int ret = 0;
315
316         dev_dbg(isp->dev, "%s\n", __func__);
317         atomisp_css_suspend(isp);
318         ret = atomisp_runtime_suspend(isp->dev);
319         if (ret < 0)
320                 dev_err(isp->dev, "atomisp_runtime_suspend failed, %d\n", ret);
321         ret = atomisp_mrfld_power_down(isp);
322         if (ret < 0) {
323                 dev_err(isp->dev, "can not disable ISP power\n");
324         } else {
325                 ret = atomisp_mrfld_power_up(isp);
326                 if (ret < 0)
327                         dev_err(isp->dev, "can not enable ISP power\n");
328                 ret = atomisp_runtime_resume(isp->dev);
329                 if (ret < 0)
330                         dev_err(isp->dev, "atomisp_runtime_resume failed, %d\n", ret);
331         }
332         ret = atomisp_css_resume(isp);
333         if (ret)
334                 isp->isp_fatal_error = true;
335
336         return ret;
337 }
338
339 /*
340  * interrupt disable functions
341  */
342 static void disable_isp_irq(enum hrt_isp_css_irq irq)
343 {
344         irq_disable_channel(IRQ0_ID, irq);
345
346         if (irq != hrt_isp_css_irq_sp)
347                 return;
348
349         cnd_sp_irq_enable(SP0_ID, false);
350 }
351
352 /*
353  * interrupt clean function
354  */
355 static void clear_isp_irq(enum hrt_isp_css_irq irq)
356 {
357         irq_clear_all(IRQ0_ID);
358 }
359
360 void atomisp_msi_irq_init(struct atomisp_device *isp, struct pci_dev *dev)
361 {
362         u32 msg32;
363         u16 msg16;
364
365         pci_read_config_dword(dev, PCI_MSI_CAPID, &msg32);
366         msg32 |= 1 << MSI_ENABLE_BIT;
367         pci_write_config_dword(dev, PCI_MSI_CAPID, msg32);
368
369         msg32 = (1 << INTR_IER) | (1 << INTR_IIR);
370         pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, msg32);
371
372         pci_read_config_word(dev, PCI_COMMAND, &msg16);
373         msg16 |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
374                   PCI_COMMAND_INTX_DISABLE);
375         pci_write_config_word(dev, PCI_COMMAND, msg16);
376 }
377
378 void atomisp_msi_irq_uninit(struct atomisp_device *isp, struct pci_dev *dev)
379 {
380         u32 msg32;
381         u16 msg16;
382
383         pci_read_config_dword(dev, PCI_MSI_CAPID, &msg32);
384         msg32 &=  ~(1 << MSI_ENABLE_BIT);
385         pci_write_config_dword(dev, PCI_MSI_CAPID, msg32);
386
387         msg32 = 0x0;
388         pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, msg32);
389
390         pci_read_config_word(dev, PCI_COMMAND, &msg16);
391         msg16 &= ~(PCI_COMMAND_MASTER);
392         pci_write_config_word(dev, PCI_COMMAND, msg16);
393 }
394
395 static void atomisp_sof_event(struct atomisp_sub_device *asd)
396 {
397         struct v4l2_event event = {0};
398
399         event.type = V4L2_EVENT_FRAME_SYNC;
400         event.u.frame_sync.frame_sequence = atomic_read(&asd->sof_count);
401
402         v4l2_event_queue(asd->subdev.devnode, &event);
403 }
404
405 void atomisp_eof_event(struct atomisp_sub_device *asd, uint8_t exp_id)
406 {
407         struct v4l2_event event = {0};
408
409         event.type = V4L2_EVENT_FRAME_END;
410         event.u.frame_sync.frame_sequence = exp_id;
411
412         v4l2_event_queue(asd->subdev.devnode, &event);
413 }
414
415 static void atomisp_3a_stats_ready_event(struct atomisp_sub_device *asd,
416         uint8_t exp_id)
417 {
418         struct v4l2_event event = {0};
419
420         event.type = V4L2_EVENT_ATOMISP_3A_STATS_READY;
421         event.u.frame_sync.frame_sequence = exp_id;
422
423         v4l2_event_queue(asd->subdev.devnode, &event);
424 }
425
426 static void atomisp_metadata_ready_event(struct atomisp_sub_device *asd,
427         enum atomisp_metadata_type md_type)
428 {
429         struct v4l2_event event = {0};
430
431         event.type = V4L2_EVENT_ATOMISP_METADATA_READY;
432         event.u.data[0] = md_type;
433
434         v4l2_event_queue(asd->subdev.devnode, &event);
435 }
436
437 static void atomisp_reset_event(struct atomisp_sub_device *asd)
438 {
439         struct v4l2_event event = {0};
440
441         event.type = V4L2_EVENT_ATOMISP_CSS_RESET;
442
443         v4l2_event_queue(asd->subdev.devnode, &event);
444 }
445
446 static void print_csi_rx_errors(enum mipi_port_id port,
447                                 struct atomisp_device *isp)
448 {
449         u32 infos = 0;
450
451         atomisp_css_rx_get_irq_info(port, &infos);
452
453         dev_err(isp->dev, "CSI Receiver port %d errors:\n", port);
454         if (infos & IA_CSS_RX_IRQ_INFO_BUFFER_OVERRUN)
455                 dev_err(isp->dev, "  buffer overrun");
456         if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT)
457                 dev_err(isp->dev, "  start-of-transmission error");
458         if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT_SYNC)
459                 dev_err(isp->dev, "  start-of-transmission sync error");
460         if (infos & IA_CSS_RX_IRQ_INFO_ERR_CONTROL)
461                 dev_err(isp->dev, "  control error");
462         if (infos & IA_CSS_RX_IRQ_INFO_ERR_ECC_DOUBLE)
463                 dev_err(isp->dev, "  2 or more ECC errors");
464         if (infos & IA_CSS_RX_IRQ_INFO_ERR_CRC)
465                 dev_err(isp->dev, "  CRC mismatch");
466         if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ID)
467                 dev_err(isp->dev, "  unknown error");
468         if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_SYNC)
469                 dev_err(isp->dev, "  frame sync error");
470         if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_DATA)
471                 dev_err(isp->dev, "  frame data error");
472         if (infos & IA_CSS_RX_IRQ_INFO_ERR_DATA_TIMEOUT)
473                 dev_err(isp->dev, "  data timeout");
474         if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ESC)
475                 dev_err(isp->dev, "  unknown escape command entry");
476         if (infos & IA_CSS_RX_IRQ_INFO_ERR_LINE_SYNC)
477                 dev_err(isp->dev, "  line sync error");
478 }
479
480 /* Clear irq reg */
481 static void clear_irq_reg(struct atomisp_device *isp)
482 {
483         u32 msg_ret;
484
485         pci_read_config_dword(isp->pdev, PCI_INTERRUPT_CTRL, &msg_ret);
486         msg_ret |= 1 << INTR_IIR;
487         pci_write_config_dword(isp->pdev, PCI_INTERRUPT_CTRL, msg_ret);
488 }
489
490 static struct atomisp_sub_device *
491 __get_asd_from_port(struct atomisp_device *isp, enum mipi_port_id port)
492 {
493         int i;
494
495         /* Check which isp subdev to send eof */
496         for (i = 0; i < isp->num_of_streams; i++) {
497                 struct atomisp_sub_device *asd = &isp->asd[i];
498                 struct camera_mipi_info *mipi_info;
499
500                 mipi_info = atomisp_to_sensor_mipi_info(
501                                 isp->inputs[asd->input_curr].camera);
502
503                 if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED &&
504                     __get_mipi_port(isp, mipi_info->port) == port) {
505                         return asd;
506                 }
507         }
508
509         return NULL;
510 }
511
512 /* interrupt handling function*/
513 irqreturn_t atomisp_isr(int irq, void *dev)
514 {
515         struct atomisp_device *isp = (struct atomisp_device *)dev;
516         struct atomisp_sub_device *asd;
517         struct atomisp_css_event eof_event;
518         unsigned int irq_infos = 0;
519         unsigned long flags;
520         unsigned int i;
521         int err;
522
523         spin_lock_irqsave(&isp->lock, flags);
524         if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP ||
525             !isp->css_initialized) {
526                 spin_unlock_irqrestore(&isp->lock, flags);
527                 return IRQ_HANDLED;
528         }
529         err = atomisp_css_irq_translate(isp, &irq_infos);
530         if (err) {
531                 spin_unlock_irqrestore(&isp->lock, flags);
532                 return IRQ_NONE;
533         }
534
535         clear_irq_reg(isp);
536
537         if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp))
538                 goto out_nowake;
539
540         for (i = 0; i < isp->num_of_streams; i++) {
541                 asd = &isp->asd[i];
542
543                 if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
544                         continue;
545                 /*
546                  * Current SOF only support one stream, so the SOF only valid
547                  * either solely one stream is running
548                  */
549                 if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
550                         atomic_inc(&asd->sof_count);
551                         atomisp_sof_event(asd);
552
553                         /* If sequence_temp and sequence are the same
554                          * there where no frames lost so we can increase
555                          * sequence_temp.
556                          * If not then processing of frame is still in progress
557                          * and driver needs to keep old sequence_temp value.
558                          * NOTE: There is assumption here that ISP will not
559                          * start processing next frame from sensor before old
560                          * one is completely done. */
561                         if (atomic_read(&asd->sequence) == atomic_read(
562                                 &asd->sequence_temp))
563                                 atomic_set(&asd->sequence_temp,
564                                            atomic_read(&asd->sof_count));
565                 }
566                 if (irq_infos & IA_CSS_IRQ_INFO_EVENTS_READY)
567                         atomic_set(&asd->sequence,
568                                    atomic_read(&asd->sequence_temp));
569         }
570
571         if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
572                 dev_dbg_ratelimited(isp->dev,
573                                     "irq:0x%x (SOF)\n",
574                                     irq_infos);
575                 irq_infos &= ~IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF;
576         }
577
578         if ((irq_infos & IA_CSS_IRQ_INFO_INPUT_SYSTEM_ERROR) ||
579             (irq_infos & IA_CSS_IRQ_INFO_IF_ERROR)) {
580                 /* handle mipi receiver error */
581                 u32 rx_infos;
582                 enum mipi_port_id port;
583
584                 for (port = MIPI_PORT0_ID; port <= MIPI_PORT2_ID;
585                      port++) {
586                         print_csi_rx_errors(port, isp);
587                         atomisp_css_rx_get_irq_info(port, &rx_infos);
588                         atomisp_css_rx_clear_irq_info(port, rx_infos);
589                 }
590         }
591
592         if (irq_infos & IA_CSS_IRQ_INFO_ISYS_EVENTS_READY) {
593                 while (ia_css_dequeue_isys_event(&eof_event.event) ==
594                        0) {
595                         /* EOF Event does not have the css_pipe returned */
596                         asd = __get_asd_from_port(isp, eof_event.event.port);
597                         if (!asd) {
598                                 dev_err(isp->dev, "%s: ISYS event, but no subdev.event:%d",
599                                         __func__, eof_event.event.type);
600                                 continue;
601                         }
602
603                         atomisp_eof_event(asd, eof_event.event.exp_id);
604                         dev_dbg_ratelimited(isp->dev,
605                                             "%s ISYS event: EOF exp_id %d, asd %d\n",
606                                             __func__, eof_event.event.exp_id,
607                                             asd->index);
608                 }
609
610                 irq_infos &= ~IA_CSS_IRQ_INFO_ISYS_EVENTS_READY;
611                 if (irq_infos == 0)
612                         goto out_nowake;
613         }
614
615         spin_unlock_irqrestore(&isp->lock, flags);
616
617         dev_dbg_ratelimited(isp->dev, "irq:0x%x (unhandled)\n", irq_infos);
618
619         return IRQ_WAKE_THREAD;
620
621 out_nowake:
622         spin_unlock_irqrestore(&isp->lock, flags);
623
624         if (irq_infos)
625                 dev_dbg_ratelimited(isp->dev, "irq:0x%x (ignored, as not streaming anymore)\n",
626                                     irq_infos);
627
628         return IRQ_HANDLED;
629 }
630
631 void atomisp_clear_css_buffer_counters(struct atomisp_sub_device *asd)
632 {
633         int i;
634
635         memset(asd->s3a_bufs_in_css, 0, sizeof(asd->s3a_bufs_in_css));
636         for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++)
637                 memset(asd->metadata_bufs_in_css[i], 0,
638                        sizeof(asd->metadata_bufs_in_css[i]));
639         asd->dis_bufs_in_css = 0;
640         asd->video_out_capture.buffers_in_css = 0;
641         asd->video_out_vf.buffers_in_css = 0;
642         asd->video_out_preview.buffers_in_css = 0;
643         asd->video_out_video_capture.buffers_in_css = 0;
644 }
645
646 /* ISP2400 */
647 bool atomisp_buffers_queued(struct atomisp_sub_device *asd)
648 {
649         return asd->video_out_capture.buffers_in_css ||
650                asd->video_out_vf.buffers_in_css ||
651                asd->video_out_preview.buffers_in_css ||
652                asd->video_out_video_capture.buffers_in_css ?
653                true : false;
654 }
655
656 /* ISP2401 */
657 bool atomisp_buffers_queued_pipe(struct atomisp_video_pipe *pipe)
658 {
659         return pipe->buffers_in_css ? true : false;
660 }
661
662 /* 0x100000 is the start of dmem inside SP */
663 #define SP_DMEM_BASE    0x100000
664
665 void dump_sp_dmem(struct atomisp_device *isp, unsigned int addr,
666                   unsigned int size)
667 {
668         u32 __iomem *io_virt_addr;
669         unsigned int data = 0;
670         unsigned int size32 = DIV_ROUND_UP(size, sizeof(u32));
671
672         dev_dbg(isp->dev, "atomisp_io_base:%p\n", atomisp_io_base);
673         dev_dbg(isp->dev, "%s, addr:0x%x, size: %d, size32: %d\n", __func__,
674                 addr, size, size32);
675         if (size32 * 4 + addr > 0x4000) {
676                 dev_err(isp->dev, "illegal size (%d) or addr (0x%x)\n",
677                         size32, addr);
678                 return;
679         }
680         addr += SP_DMEM_BASE;
681         io_virt_addr = atomisp_io_base + (addr & 0x003FFFFF);
682         do {
683                 data = *io_virt_addr;
684                 dev_dbg(isp->dev, "%s, \t [0x%x]:0x%x\n", __func__, addr, data);
685                 io_virt_addr += sizeof(u32);
686                 size32 -= 1;
687         } while (size32 > 0);
688 }
689
690 static struct videobuf_buffer *atomisp_css_frame_to_vbuf(
691     struct atomisp_video_pipe *pipe, struct ia_css_frame *frame)
692 {
693         struct videobuf_vmalloc_memory *vm_mem;
694         struct ia_css_frame *handle;
695         int i;
696
697         for (i = 0; pipe->capq.bufs[i]; i++) {
698                 vm_mem = pipe->capq.bufs[i]->priv;
699                 handle = vm_mem->vaddr;
700                 if (handle && handle->data == frame->data)
701                         return pipe->capq.bufs[i];
702         }
703
704         return NULL;
705 }
706
707 static void atomisp_flush_video_pipe(struct atomisp_sub_device *asd,
708                                      struct atomisp_video_pipe *pipe)
709 {
710         unsigned long irqflags;
711         int i;
712
713         if (!pipe->users)
714                 return;
715
716         for (i = 0; pipe->capq.bufs[i]; i++) {
717                 spin_lock_irqsave(&pipe->irq_lock, irqflags);
718                 if (pipe->capq.bufs[i]->state == VIDEOBUF_ACTIVE ||
719                     pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED) {
720                         pipe->capq.bufs[i]->ts = ktime_get_ns();
721                         pipe->capq.bufs[i]->field_count =
722                             atomic_read(&asd->sequence) << 1;
723                         dev_dbg(asd->isp->dev, "release buffers on device %s\n",
724                                 pipe->vdev.name);
725                         if (pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED)
726                                 list_del_init(&pipe->capq.bufs[i]->queue);
727                         pipe->capq.bufs[i]->state = VIDEOBUF_ERROR;
728                         wake_up(&pipe->capq.bufs[i]->done);
729                 }
730                 spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
731         }
732 }
733
734 /* Returns queued buffers back to video-core */
735 void atomisp_flush_bufs_and_wakeup(struct atomisp_sub_device *asd)
736 {
737         atomisp_flush_video_pipe(asd, &asd->video_out_capture);
738         atomisp_flush_video_pipe(asd, &asd->video_out_vf);
739         atomisp_flush_video_pipe(asd, &asd->video_out_preview);
740         atomisp_flush_video_pipe(asd, &asd->video_out_video_capture);
741 }
742
743 /* clean out the parameters that did not apply */
744 void atomisp_flush_params_queue(struct atomisp_video_pipe *pipe)
745 {
746         struct atomisp_css_params_with_list *param;
747
748         while (!list_empty(&pipe->per_frame_params)) {
749                 param = list_entry(pipe->per_frame_params.next,
750                                    struct atomisp_css_params_with_list, list);
751                 list_del(&param->list);
752                 atomisp_free_css_parameters(&param->params);
753                 kvfree(param);
754         }
755 }
756
757 /* Re-queue per-frame parameters */
758 static void atomisp_recover_params_queue(struct atomisp_video_pipe *pipe)
759 {
760         struct atomisp_css_params_with_list *param;
761         int i;
762
763         for (i = 0; i < VIDEO_MAX_FRAME; i++) {
764                 param = pipe->frame_params[i];
765                 if (param)
766                         list_add_tail(&param->list, &pipe->per_frame_params);
767                 pipe->frame_params[i] = NULL;
768         }
769         atomisp_handle_parameter_and_buffer(pipe);
770 }
771
772 /* find atomisp_video_pipe with css pipe id, buffer type and atomisp run_mode */
773 static struct atomisp_video_pipe *__atomisp_get_pipe(
774     struct atomisp_sub_device *asd,
775     enum atomisp_input_stream_id stream_id,
776     enum ia_css_pipe_id css_pipe_id,
777     enum ia_css_buffer_type buf_type)
778 {
779         struct atomisp_device *isp = asd->isp;
780
781         if (css_pipe_id == IA_CSS_PIPE_ID_COPY &&
782             isp->inputs[asd->input_curr].camera_caps->
783             sensor[asd->sensor_curr].stream_num > 1) {
784                 switch (stream_id) {
785                 case ATOMISP_INPUT_STREAM_PREVIEW:
786                         return &asd->video_out_preview;
787                 case ATOMISP_INPUT_STREAM_POSTVIEW:
788                         return &asd->video_out_vf;
789                 case ATOMISP_INPUT_STREAM_VIDEO:
790                         return &asd->video_out_video_capture;
791                 case ATOMISP_INPUT_STREAM_CAPTURE:
792                 default:
793                         return &asd->video_out_capture;
794                 }
795         }
796
797         /* video is same in online as in continuouscapture mode */
798         if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
799                 /*
800                  * Disable vf_pp and run CSS in still capture mode. In this
801                  * mode, CSS does not cause extra latency with buffering, but
802                  * scaling is not available.
803                  */
804                 return &asd->video_out_capture;
805         } else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
806                 /*
807                  * Disable vf_pp and run CSS in video mode. This allows using
808                  * ISP scaling but it has one frame delay due to CSS internal
809                  * buffering.
810                  */
811                 return &asd->video_out_video_capture;
812         } else if (css_pipe_id == IA_CSS_PIPE_ID_YUVPP) {
813                 /*
814                  * to SOC camera, yuvpp pipe is run for capture/video/SDV/ZSL.
815                  */
816                 if (asd->continuous_mode->val) {
817                         if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
818                                 /* SDV case */
819                                 switch (buf_type) {
820                                 case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
821                                         return &asd->video_out_video_capture;
822                                 case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
823                                         return &asd->video_out_preview;
824                                 case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
825                                         return &asd->video_out_capture;
826                                 default:
827                                         return &asd->video_out_vf;
828                                 }
829                         } else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
830                                 /* ZSL case */
831                                 switch (buf_type) {
832                                 case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
833                                         return &asd->video_out_preview;
834                                 case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
835                                         return &asd->video_out_capture;
836                                 default:
837                                         return &asd->video_out_vf;
838                                 }
839                         }
840                 } else if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME) {
841                         switch (asd->run_mode->val) {
842                         case ATOMISP_RUN_MODE_VIDEO:
843                                 return &asd->video_out_video_capture;
844                         case ATOMISP_RUN_MODE_PREVIEW:
845                                 return &asd->video_out_preview;
846                         default:
847                                 return &asd->video_out_capture;
848                         }
849                 } else if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
850                         if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
851                                 return &asd->video_out_preview;
852                         else
853                                 return &asd->video_out_vf;
854                 }
855         } else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
856                 /* For online video or SDV video pipe. */
857                 if (css_pipe_id == IA_CSS_PIPE_ID_VIDEO ||
858                     css_pipe_id == IA_CSS_PIPE_ID_COPY) {
859                         if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME)
860                                 return &asd->video_out_video_capture;
861                         return &asd->video_out_preview;
862                 }
863         } else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
864                 /* For online preview or ZSL preview pipe. */
865                 if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
866                     css_pipe_id == IA_CSS_PIPE_ID_COPY)
867                         return &asd->video_out_preview;
868         }
869         /* For capture pipe. */
870         if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME)
871                 return &asd->video_out_vf;
872         return &asd->video_out_capture;
873 }
874
875 enum atomisp_metadata_type
876 atomisp_get_metadata_type(struct atomisp_sub_device *asd,
877                           enum ia_css_pipe_id pipe_id) {
878         if (!asd->continuous_mode->val)
879                 return ATOMISP_MAIN_METADATA;
880
881         if (pipe_id == IA_CSS_PIPE_ID_CAPTURE) /* online capture pipe */
882                 return ATOMISP_SEC_METADATA;
883         else
884                 return ATOMISP_MAIN_METADATA;
885 }
886
887 void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
888                       enum ia_css_buffer_type buf_type,
889                       enum ia_css_pipe_id css_pipe_id,
890                       bool q_buffers, enum atomisp_input_stream_id stream_id)
891 {
892         struct videobuf_buffer *vb = NULL;
893         struct atomisp_video_pipe *pipe = NULL;
894         struct atomisp_css_buffer buffer;
895         bool requeue = false;
896         int err;
897         unsigned long irqflags;
898         struct ia_css_frame *frame = NULL;
899         struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf_tmp;
900         struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf_tmp;
901         struct atomisp_metadata_buf *md_buf = NULL, *_md_buf_tmp;
902         enum atomisp_metadata_type md_type;
903         struct atomisp_device *isp = asd->isp;
904         struct v4l2_control ctrl;
905         bool reset_wdt_timer = false;
906
907         if (
908             buf_type != IA_CSS_BUFFER_TYPE_METADATA &&
909             buf_type != IA_CSS_BUFFER_TYPE_3A_STATISTICS &&
910             buf_type != IA_CSS_BUFFER_TYPE_DIS_STATISTICS &&
911             buf_type != IA_CSS_BUFFER_TYPE_OUTPUT_FRAME &&
912             buf_type != IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
913             buf_type != IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME &&
914             buf_type != IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
915             buf_type != IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
916                 dev_err(isp->dev, "%s, unsupported buffer type: %d\n",
917                         __func__, buf_type);
918                 return;
919         }
920
921         memset(&buffer, 0, sizeof(struct atomisp_css_buffer));
922         buffer.css_buffer.type = buf_type;
923         err = atomisp_css_dequeue_buffer(asd, stream_id, css_pipe_id,
924                                          buf_type, &buffer);
925         if (err) {
926                 dev_err(isp->dev,
927                         "atomisp_css_dequeue_buffer failed: 0x%x\n", err);
928                 return;
929         }
930
931         /* need to know the atomisp pipe for frame buffers */
932         pipe = __atomisp_get_pipe(asd, stream_id, css_pipe_id, buf_type);
933         if (!pipe) {
934                 dev_err(isp->dev, "error getting atomisp pipe\n");
935                 return;
936         }
937
938         switch (buf_type) {
939         case IA_CSS_BUFFER_TYPE_3A_STATISTICS:
940                 list_for_each_entry_safe(s3a_buf, _s3a_buf_tmp,
941                                          &asd->s3a_stats_in_css, list) {
942                         if (s3a_buf->s3a_data ==
943                             buffer.css_buffer.data.stats_3a) {
944                                 list_del_init(&s3a_buf->list);
945                                 list_add_tail(&s3a_buf->list,
946                                               &asd->s3a_stats_ready);
947                                 break;
948                         }
949                 }
950
951                 asd->s3a_bufs_in_css[css_pipe_id]--;
952                 atomisp_3a_stats_ready_event(asd, buffer.css_buffer.exp_id);
953                 dev_dbg(isp->dev, "%s: s3a stat with exp_id %d is ready\n",
954                         __func__, s3a_buf->s3a_data->exp_id);
955                 break;
956         case IA_CSS_BUFFER_TYPE_METADATA:
957                 if (error)
958                         break;
959
960                 md_type = atomisp_get_metadata_type(asd, css_pipe_id);
961                 list_for_each_entry_safe(md_buf, _md_buf_tmp,
962                                          &asd->metadata_in_css[md_type], list) {
963                         if (md_buf->metadata ==
964                             buffer.css_buffer.data.metadata) {
965                                 list_del_init(&md_buf->list);
966                                 list_add_tail(&md_buf->list,
967                                               &asd->metadata_ready[md_type]);
968                                 break;
969                         }
970                 }
971                 asd->metadata_bufs_in_css[stream_id][css_pipe_id]--;
972                 atomisp_metadata_ready_event(asd, md_type);
973                 dev_dbg(isp->dev, "%s: metadata with exp_id %d is ready\n",
974                         __func__, md_buf->metadata->exp_id);
975                 break;
976         case IA_CSS_BUFFER_TYPE_DIS_STATISTICS:
977                 list_for_each_entry_safe(dis_buf, _dis_buf_tmp,
978                                          &asd->dis_stats_in_css, list) {
979                         if (dis_buf->dis_data ==
980                             buffer.css_buffer.data.stats_dvs) {
981                                 spin_lock_irqsave(&asd->dis_stats_lock,
982                                                   irqflags);
983                                 list_del_init(&dis_buf->list);
984                                 list_add(&dis_buf->list, &asd->dis_stats);
985                                 asd->params.dis_proj_data_valid = true;
986                                 spin_unlock_irqrestore(&asd->dis_stats_lock,
987                                                        irqflags);
988                                 break;
989                         }
990                 }
991                 asd->dis_bufs_in_css--;
992                 dev_dbg(isp->dev, "%s: dis stat with exp_id %d is ready\n",
993                         __func__, dis_buf->dis_data->exp_id);
994                 break;
995         case IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME:
996         case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
997                 if (IS_ISP2401)
998                         reset_wdt_timer = true;
999
1000                 pipe->buffers_in_css--;
1001                 frame = buffer.css_buffer.data.frame;
1002                 if (!frame) {
1003                         WARN_ON(1);
1004                         break;
1005                 }
1006                 if (!frame->valid)
1007                         error = true;
1008
1009                 /* FIXME:
1010                  * YUVPP doesn't set postview exp_id correctlly in SDV mode.
1011                  * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1012                  */
1013                 if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
1014                     asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1015                         frame->exp_id = (asd->postview_exp_id++) %
1016                                         (ATOMISP_MAX_EXP_ID + 1);
1017
1018                 dev_dbg(isp->dev, "%s: vf frame with exp_id %d is ready\n",
1019                         __func__, frame->exp_id);
1020                 if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1021                         if (frame->flash_state
1022                             == IA_CSS_FRAME_FLASH_STATE_PARTIAL)
1023                                 dev_dbg(isp->dev, "%s thumb partially flashed\n",
1024                                         __func__);
1025                         else if (frame->flash_state
1026                                  == IA_CSS_FRAME_FLASH_STATE_FULL)
1027                                 dev_dbg(isp->dev, "%s thumb completely flashed\n",
1028                                         __func__);
1029                         else
1030                                 dev_dbg(isp->dev, "%s thumb no flash in this frame\n",
1031                                         __func__);
1032                 }
1033                 vb = atomisp_css_frame_to_vbuf(pipe, frame);
1034                 WARN_ON(!vb);
1035                 if (vb)
1036                         pipe->frame_config_id[vb->i] = frame->isp_config_id;
1037                 if (css_pipe_id == IA_CSS_PIPE_ID_CAPTURE &&
1038                     asd->pending_capture_request > 0) {
1039                         err = atomisp_css_offline_capture_configure(asd,
1040                                 asd->params.offline_parm.num_captures,
1041                                 asd->params.offline_parm.skip_frames,
1042                                 asd->params.offline_parm.offset);
1043
1044                         asd->pending_capture_request--;
1045
1046                         if (IS_ISP2401)
1047                                 asd->re_trigger_capture = false;
1048
1049                         dev_dbg(isp->dev, "Trigger capture again for new buffer. err=%d\n",
1050                                 err);
1051                 } else if (IS_ISP2401) {
1052                         asd->re_trigger_capture = true;
1053                 }
1054                 break;
1055         case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
1056         case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
1057                 if (IS_ISP2401)
1058                         reset_wdt_timer = true;
1059
1060                 pipe->buffers_in_css--;
1061                 frame = buffer.css_buffer.data.frame;
1062                 if (!frame) {
1063                         WARN_ON(1);
1064                         break;
1065                 }
1066
1067                 if (!frame->valid)
1068                         error = true;
1069
1070                 /* FIXME:
1071                  * YUVPP doesn't set preview exp_id correctlly in ZSL mode.
1072                  * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1073                  */
1074                 if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
1075                     asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1076                         frame->exp_id = (asd->preview_exp_id++) %
1077                                         (ATOMISP_MAX_EXP_ID + 1);
1078
1079                 dev_dbg(isp->dev, "%s: main frame with exp_id %d is ready\n",
1080                         __func__, frame->exp_id);
1081                 vb = atomisp_css_frame_to_vbuf(pipe, frame);
1082                 if (!vb) {
1083                         WARN_ON(1);
1084                         break;
1085                 }
1086
1087                 /* free the parameters */
1088                 if (pipe->frame_params[vb->i]) {
1089                         if (asd->params.dvs_6axis ==
1090                             pipe->frame_params[vb->i]->params.dvs_6axis)
1091                                 asd->params.dvs_6axis = NULL;
1092                         atomisp_free_css_parameters(
1093                             &pipe->frame_params[vb->i]->params);
1094                         kvfree(pipe->frame_params[vb->i]);
1095                         pipe->frame_params[vb->i] = NULL;
1096                 }
1097
1098                 pipe->frame_config_id[vb->i] = frame->isp_config_id;
1099                 ctrl.id = V4L2_CID_FLASH_MODE;
1100                 if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1101                         if (frame->flash_state
1102                             == IA_CSS_FRAME_FLASH_STATE_PARTIAL) {
1103                                 asd->frame_status[vb->i] =
1104                                     ATOMISP_FRAME_STATUS_FLASH_PARTIAL;
1105                                 dev_dbg(isp->dev, "%s partially flashed\n",
1106                                         __func__);
1107                         } else if (frame->flash_state
1108                                    == IA_CSS_FRAME_FLASH_STATE_FULL) {
1109                                 asd->frame_status[vb->i] =
1110                                     ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1111                                 asd->params.num_flash_frames--;
1112                                 dev_dbg(isp->dev, "%s completely flashed\n",
1113                                         __func__);
1114                         } else {
1115                                 asd->frame_status[vb->i] =
1116                                     ATOMISP_FRAME_STATUS_OK;
1117                                 dev_dbg(isp->dev,
1118                                         "%s no flash in this frame\n",
1119                                         __func__);
1120                         }
1121
1122                         /* Check if flashing sequence is done */
1123                         if (asd->frame_status[vb->i] ==
1124                             ATOMISP_FRAME_STATUS_FLASH_EXPOSED)
1125                                 asd->params.flash_state = ATOMISP_FLASH_DONE;
1126                 } else if (isp->flash) {
1127                         if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) ==
1128                             0 && ctrl.value == ATOMISP_FLASH_MODE_TORCH) {
1129                                 ctrl.id = V4L2_CID_FLASH_TORCH_INTENSITY;
1130                                 if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl)
1131                                     == 0 && ctrl.value > 0) {
1132                                         asd->frame_status[vb->i] =
1133                                             ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1134                                 } else {
1135                                         asd->frame_status[vb->i] =
1136                                             ATOMISP_FRAME_STATUS_OK;
1137                                 }
1138                         } else
1139                                 asd->frame_status[vb->i] =
1140                                     ATOMISP_FRAME_STATUS_OK;
1141                 } else {
1142                         asd->frame_status[vb->i] = ATOMISP_FRAME_STATUS_OK;
1143                 }
1144
1145                 asd->params.last_frame_status = asd->frame_status[vb->i];
1146
1147                 if (asd->continuous_mode->val) {
1148                         if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
1149                             css_pipe_id == IA_CSS_PIPE_ID_VIDEO) {
1150                                 asd->latest_preview_exp_id = frame->exp_id;
1151                         } else if (css_pipe_id ==
1152                                    IA_CSS_PIPE_ID_CAPTURE) {
1153                                 if (asd->run_mode->val ==
1154                                     ATOMISP_RUN_MODE_VIDEO)
1155                                         dev_dbg(isp->dev, "SDV capture raw buffer id: %u\n",
1156                                                 frame->exp_id);
1157                                 else
1158                                         dev_dbg(isp->dev, "ZSL capture raw buffer id: %u\n",
1159                                                 frame->exp_id);
1160                         }
1161                 }
1162                 /*
1163                  * Only after enabled the raw buffer lock
1164                  * and in continuous mode.
1165                  * in preview/video pipe, each buffer will
1166                  * be locked automatically, so record it here.
1167                  */
1168                 if (((css_pipe_id == IA_CSS_PIPE_ID_PREVIEW) ||
1169                      (css_pipe_id == IA_CSS_PIPE_ID_VIDEO)) &&
1170                     asd->enable_raw_buffer_lock->val &&
1171                     asd->continuous_mode->val) {
1172                         atomisp_set_raw_buffer_bitmap(asd, frame->exp_id);
1173                         WARN_ON(frame->exp_id > ATOMISP_MAX_EXP_ID);
1174                 }
1175
1176                 if (asd->params.css_update_params_needed) {
1177                         atomisp_apply_css_parameters(asd,
1178                                                      &asd->params.css_param);
1179                         if (asd->params.css_param.update_flag.dz_config)
1180                                 asd->params.config.dz_config = &asd->params.css_param.dz_config;
1181                         /* New global dvs 6axis config should be blocked
1182                          * here if there's a buffer with per-frame parameters
1183                          * pending in CSS frame buffer queue.
1184                          * This is to aviod zooming vibration since global
1185                          * parameters take effect immediately while
1186                          * per-frame parameters are taken after previous
1187                          * buffers in CSS got processed.
1188                          */
1189                         if (asd->params.dvs_6axis)
1190                                 atomisp_css_set_dvs_6axis(asd,
1191                                                           asd->params.dvs_6axis);
1192                         else
1193                                 asd->params.css_update_params_needed = false;
1194                         /* The update flag should not be cleaned here
1195                          * since it is still going to be used to make up
1196                          * following per-frame parameters.
1197                          * This will introduce more copy work since each
1198                          * time when updating global parameters, the whole
1199                          * parameter set are applied.
1200                          * FIXME: A new set of parameter copy functions can
1201                          * be added to make up per-frame parameters based on
1202                          * solid structures stored in asd->params.css_param
1203                          * instead of using shadow pointers in update flag.
1204                          */
1205                         atomisp_css_update_isp_params(asd);
1206                 }
1207                 break;
1208         default:
1209                 break;
1210         }
1211         if (vb)
1212         {
1213                 vb->ts = ktime_get_ns();
1214                 vb->field_count = atomic_read(&asd->sequence) << 1;
1215                 /*mark videobuffer done for dequeue*/
1216                 spin_lock_irqsave(&pipe->irq_lock, irqflags);
1217                 vb->state = !error ? VIDEOBUF_DONE : VIDEOBUF_ERROR;
1218                 spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1219
1220                 /*
1221                  * Frame capture done, wake up any process block on
1222                  * current active buffer
1223                  * possibly hold by videobuf_dqbuf()
1224                  */
1225                 wake_up(&vb->done);
1226         }
1227         if (IS_ISP2401)
1228                 atomic_set(&pipe->wdt_count, 0);
1229
1230         /*
1231          * Requeue should only be done for 3a and dis buffers.
1232          * Queue/dequeue order will change if driver recycles image buffers.
1233          */
1234         if (requeue)
1235         {
1236                 err = atomisp_css_queue_buffer(asd,
1237                                                stream_id, css_pipe_id,
1238                                                buf_type, &buffer);
1239                 if (err)
1240                         dev_err(isp->dev, "%s, q to css fails: %d\n",
1241                                 __func__, err);
1242                 return;
1243         }
1244         if (!error && q_buffers)
1245                 atomisp_qbuffers_to_css(asd);
1246
1247         if (IS_ISP2401) {
1248                 /* If there are no buffers queued then
1249                 * delete wdt timer. */
1250                 if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1251                         return;
1252                 if (!atomisp_buffers_queued_pipe(pipe))
1253                         atomisp_wdt_stop_pipe(pipe, false);
1254                 else if (reset_wdt_timer)
1255                         /* SOF irq should not reset wdt timer. */
1256                         atomisp_wdt_refresh_pipe(pipe,
1257                                                 ATOMISP_WDT_KEEP_CURRENT_DELAY);
1258         }
1259 }
1260
1261 void atomisp_delayed_init_work(struct work_struct *work)
1262 {
1263         struct atomisp_sub_device *asd = container_of(work,
1264                                          struct atomisp_sub_device,
1265                                          delayed_init_work);
1266         /*
1267          * to SOC camera, use yuvpp pipe and no support continuous mode.
1268          */
1269         if (!ATOMISP_USE_YUVPP(asd)) {
1270                 struct v4l2_event event = {0};
1271                 struct ia_css_stream *stream;
1272
1273                 stream = asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
1274
1275
1276                 if (ia_css_alloc_continuous_frame_remain(stream))
1277                         return;
1278
1279                 ia_css_update_continuous_frames(stream);
1280
1281                 event.type = V4L2_EVENT_ATOMISP_RAW_BUFFERS_ALLOC_DONE;
1282                 v4l2_event_queue(asd->subdev.devnode, &event);
1283         }
1284
1285         /* signal streamon after delayed init is done */
1286         asd->delayed_init = ATOMISP_DELAYED_INIT_DONE;
1287         complete(&asd->init_done);
1288 }
1289
1290 static void __atomisp_css_recover(struct atomisp_device *isp, bool isp_timeout)
1291 {
1292         enum ia_css_pipe_id css_pipe_id;
1293         bool stream_restart[MAX_STREAM_NUM] = {0};
1294         bool depth_mode = false;
1295         int i, ret, depth_cnt = 0;
1296
1297         if (!isp->sw_contex.file_input)
1298                 atomisp_css_irq_enable(isp,
1299                                        IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
1300
1301         BUG_ON(isp->num_of_streams > MAX_STREAM_NUM);
1302
1303         for (i = 0; i < isp->num_of_streams; i++) {
1304                 struct atomisp_sub_device *asd = &isp->asd[i];
1305                 struct ia_css_pipeline *acc_pipeline;
1306                 struct ia_css_pipe *acc_pipe = NULL;
1307
1308                 if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED &&
1309                     !asd->stream_prepared)
1310                         continue;
1311
1312                 /*
1313                 * AtomISP::waitStageUpdate is blocked when WDT happens.
1314                 * By calling acc_done() for all loaded fw_handles,
1315                 * HAL will be unblocked.
1316                 */
1317                 acc_pipe = asd->stream_env[i].pipes[IA_CSS_PIPE_ID_ACC];
1318                 if (acc_pipe) {
1319                         acc_pipeline = ia_css_pipe_get_pipeline(acc_pipe);
1320                         if (acc_pipeline) {
1321                                 struct ia_css_pipeline_stage *stage;
1322
1323                                 for (stage = acc_pipeline->stages; stage;
1324                                      stage = stage->next) {
1325                                         const struct ia_css_fw_info *fw;
1326
1327                                         fw = stage->firmware;
1328                                         atomisp_acc_done(asd, fw->handle);
1329                                 }
1330                         }
1331                 }
1332
1333                 depth_cnt++;
1334
1335                 if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED)
1336                         cancel_work_sync(&asd->delayed_init_work);
1337
1338                 complete(&asd->init_done);
1339                 asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1340
1341                 stream_restart[asd->index] = true;
1342
1343                 asd->streaming = ATOMISP_DEVICE_STREAMING_STOPPING;
1344
1345                 /* stream off sensor */
1346                 ret = v4l2_subdev_call(
1347                           isp->inputs[asd->input_curr].
1348                           camera, video, s_stream, 0);
1349                 if (ret)
1350                         dev_warn(isp->dev,
1351                                  "can't stop streaming on sensor!\n");
1352
1353                 atomisp_acc_unload_extensions(asd);
1354
1355                 atomisp_clear_css_buffer_counters(asd);
1356
1357                 css_pipe_id = atomisp_get_css_pipe_id(asd);
1358                 atomisp_css_stop(asd, css_pipe_id, true);
1359
1360                 asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1361
1362                 asd->preview_exp_id = 1;
1363                 asd->postview_exp_id = 1;
1364                 /* notify HAL the CSS reset */
1365                 dev_dbg(isp->dev,
1366                         "send reset event to %s\n", asd->subdev.devnode->name);
1367                 atomisp_reset_event(asd);
1368         }
1369
1370         /* clear irq */
1371         disable_isp_irq(hrt_isp_css_irq_sp);
1372         clear_isp_irq(hrt_isp_css_irq_sp);
1373
1374         /* Set the SRSE to 3 before resetting */
1375         pci_write_config_dword(isp->pdev, PCI_I_CONTROL, isp->saved_regs.i_control |
1376                                MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
1377
1378         /* reset ISP and restore its state */
1379         isp->isp_timeout = true;
1380         atomisp_reset(isp);
1381         isp->isp_timeout = false;
1382
1383         if (!isp_timeout) {
1384                 for (i = 0; i < isp->num_of_streams; i++) {
1385                         if (isp->asd[i].depth_mode->val)
1386                                 return;
1387                 }
1388         }
1389
1390         for (i = 0; i < isp->num_of_streams; i++) {
1391                 struct atomisp_sub_device *asd = &isp->asd[i];
1392
1393                 if (!stream_restart[i])
1394                         continue;
1395
1396                 if (isp->inputs[asd->input_curr].type != FILE_INPUT)
1397                         atomisp_css_input_set_mode(asd,
1398                                                    IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
1399
1400                 css_pipe_id = atomisp_get_css_pipe_id(asd);
1401                 if (atomisp_css_start(asd, css_pipe_id, true))
1402                         dev_warn(isp->dev,
1403                                  "start SP failed, so do not set streaming to be enable!\n");
1404                 else
1405                         asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1406
1407                 atomisp_csi2_configure(asd);
1408         }
1409
1410         if (!isp->sw_contex.file_input) {
1411                 atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1412                                        atomisp_css_valid_sof(isp));
1413
1414                 if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, true) < 0)
1415                         dev_dbg(isp->dev, "DFS auto failed while recovering!\n");
1416         } else {
1417                 if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, true) < 0)
1418                         dev_dbg(isp->dev, "DFS max failed while recovering!\n");
1419         }
1420
1421         for (i = 0; i < isp->num_of_streams; i++) {
1422                 struct atomisp_sub_device *asd;
1423
1424                 asd = &isp->asd[i];
1425
1426                 if (!stream_restart[i])
1427                         continue;
1428
1429                 if (asd->continuous_mode->val &&
1430                     asd->delayed_init == ATOMISP_DELAYED_INIT_NOT_QUEUED) {
1431                         reinit_completion(&asd->init_done);
1432                         asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1433                         queue_work(asd->delayed_init_workq,
1434                                    &asd->delayed_init_work);
1435                 }
1436                 /*
1437                  * dequeueing buffers is not needed. CSS will recycle
1438                  * buffers that it has.
1439                  */
1440                 atomisp_flush_bufs_and_wakeup(asd);
1441
1442                 /* Requeue unprocessed per-frame parameters. */
1443                 atomisp_recover_params_queue(&asd->video_out_capture);
1444                 atomisp_recover_params_queue(&asd->video_out_preview);
1445                 atomisp_recover_params_queue(&asd->video_out_video_capture);
1446
1447                 if ((asd->depth_mode->val) &&
1448                     (depth_cnt == ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1449                         depth_mode = true;
1450                         continue;
1451                 }
1452
1453                 ret = v4l2_subdev_call(
1454                           isp->inputs[asd->input_curr].camera, video,
1455                           s_stream, 1);
1456                 if (ret)
1457                         dev_warn(isp->dev,
1458                                  "can't start streaming on sensor!\n");
1459         }
1460
1461         if (depth_mode) {
1462                 if (atomisp_stream_on_master_slave_sensor(isp, true))
1463                         dev_warn(isp->dev,
1464                                  "master slave sensor stream on failed!\n");
1465         }
1466 }
1467
1468 void atomisp_wdt_work(struct work_struct *work)
1469 {
1470         struct atomisp_device *isp = container_of(work, struct atomisp_device,
1471                                      wdt_work);
1472         int i;
1473         unsigned int pipe_wdt_cnt[MAX_STREAM_NUM][4] = { {0} };
1474         bool css_recover = false;
1475
1476         rt_mutex_lock(&isp->mutex);
1477         if (!atomisp_streaming_count(isp)) {
1478                 atomic_set(&isp->wdt_work_queued, 0);
1479                 rt_mutex_unlock(&isp->mutex);
1480                 return;
1481         }
1482
1483         if (!IS_ISP2401) {
1484                 dev_err(isp->dev, "timeout %d of %d\n",
1485                         atomic_read(&isp->wdt_count) + 1,
1486                         ATOMISP_ISP_MAX_TIMEOUT_COUNT);
1487
1488                 if (atomic_inc_return(&isp->wdt_count) < ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1489                         css_recover = true;
1490         } else {
1491                 css_recover = true;
1492
1493                 for (i = 0; i < isp->num_of_streams; i++) {
1494                         struct atomisp_sub_device *asd = &isp->asd[i];
1495
1496                         pipe_wdt_cnt[i][0] +=
1497                             atomic_read(&asd->video_out_capture.wdt_count);
1498                         pipe_wdt_cnt[i][1] +=
1499                             atomic_read(&asd->video_out_vf.wdt_count);
1500                         pipe_wdt_cnt[i][2] +=
1501                             atomic_read(&asd->video_out_preview.wdt_count);
1502                         pipe_wdt_cnt[i][3] +=
1503                             atomic_read(&asd->video_out_video_capture.wdt_count);
1504                         css_recover =
1505                             (pipe_wdt_cnt[i][0] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1506                             pipe_wdt_cnt[i][1] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1507                             pipe_wdt_cnt[i][2] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1508                             pipe_wdt_cnt[i][3] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1509                             ? true : false;
1510                         dev_err(isp->dev,
1511                                 "pipe on asd%d timeout cnt: (%d, %d, %d, %d) of %d, recover = %d\n",
1512                                 asd->index, pipe_wdt_cnt[i][0], pipe_wdt_cnt[i][1],
1513                                 pipe_wdt_cnt[i][2], pipe_wdt_cnt[i][3],
1514                                 ATOMISP_ISP_MAX_TIMEOUT_COUNT, css_recover);
1515                 }
1516         }
1517
1518         if (css_recover) {
1519                 ia_css_debug_dump_sp_sw_debug_info();
1520                 ia_css_debug_dump_debug_info(__func__);
1521                 for (i = 0; i < isp->num_of_streams; i++) {
1522                         struct atomisp_sub_device *asd = &isp->asd[i];
1523
1524                         if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1525                                 continue;
1526                         dev_err(isp->dev, "%s, vdev %s buffers in css: %d\n",
1527                                 __func__,
1528                                 asd->video_out_capture.vdev.name,
1529                                 asd->video_out_capture.
1530                                 buffers_in_css);
1531                         dev_err(isp->dev,
1532                                 "%s, vdev %s buffers in css: %d\n",
1533                                 __func__,
1534                                 asd->video_out_vf.vdev.name,
1535                                 asd->video_out_vf.
1536                                 buffers_in_css);
1537                         dev_err(isp->dev,
1538                                 "%s, vdev %s buffers in css: %d\n",
1539                                 __func__,
1540                                 asd->video_out_preview.vdev.name,
1541                                 asd->video_out_preview.
1542                                 buffers_in_css);
1543                         dev_err(isp->dev,
1544                                 "%s, vdev %s buffers in css: %d\n",
1545                                 __func__,
1546                                 asd->video_out_video_capture.vdev.name,
1547                                 asd->video_out_video_capture.
1548                                 buffers_in_css);
1549                         dev_err(isp->dev,
1550                                 "%s, s3a buffers in css preview pipe:%d\n",
1551                                 __func__,
1552                                 asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_PREVIEW]);
1553                         dev_err(isp->dev,
1554                                 "%s, s3a buffers in css capture pipe:%d\n",
1555                                 __func__,
1556                                 asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_CAPTURE]);
1557                         dev_err(isp->dev,
1558                                 "%s, s3a buffers in css video pipe:%d\n",
1559                                 __func__,
1560                                 asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_VIDEO]);
1561                         dev_err(isp->dev,
1562                                 "%s, dis buffers in css: %d\n",
1563                                 __func__, asd->dis_bufs_in_css);
1564                         dev_err(isp->dev,
1565                                 "%s, metadata buffers in css preview pipe:%d\n",
1566                                 __func__,
1567                                 asd->metadata_bufs_in_css
1568                                 [ATOMISP_INPUT_STREAM_GENERAL]
1569                                 [IA_CSS_PIPE_ID_PREVIEW]);
1570                         dev_err(isp->dev,
1571                                 "%s, metadata buffers in css capture pipe:%d\n",
1572                                 __func__,
1573                                 asd->metadata_bufs_in_css
1574                                 [ATOMISP_INPUT_STREAM_GENERAL]
1575                                 [IA_CSS_PIPE_ID_CAPTURE]);
1576                         dev_err(isp->dev,
1577                                 "%s, metadata buffers in css video pipe:%d\n",
1578                                 __func__,
1579                                 asd->metadata_bufs_in_css
1580                                 [ATOMISP_INPUT_STREAM_GENERAL]
1581                                 [IA_CSS_PIPE_ID_VIDEO]);
1582                         if (asd->enable_raw_buffer_lock->val) {
1583                                 unsigned int j;
1584
1585                                 dev_err(isp->dev, "%s, raw_buffer_locked_count %d\n",
1586                                         __func__, asd->raw_buffer_locked_count);
1587                                 for (j = 0; j <= ATOMISP_MAX_EXP_ID / 32; j++)
1588                                         dev_err(isp->dev, "%s, raw_buffer_bitmap[%d]: 0x%x\n",
1589                                                 __func__, j,
1590                                                 asd->raw_buffer_bitmap[j]);
1591                         }
1592                 }
1593
1594                 /*sh_css_dump_sp_state();*/
1595                 /*sh_css_dump_isp_state();*/
1596         } else {
1597                 for (i = 0; i < isp->num_of_streams; i++) {
1598                         struct atomisp_sub_device *asd = &isp->asd[i];
1599
1600                         if (asd->streaming ==
1601                             ATOMISP_DEVICE_STREAMING_ENABLED) {
1602                                 atomisp_clear_css_buffer_counters(asd);
1603                                 atomisp_flush_bufs_and_wakeup(asd);
1604                                 complete(&asd->init_done);
1605                         }
1606                         if (IS_ISP2401)
1607                                 atomisp_wdt_stop(asd, false);
1608                 }
1609
1610                 if (!IS_ISP2401) {
1611                         atomic_set(&isp->wdt_count, 0);
1612                 } else {
1613                         isp->isp_fatal_error = true;
1614                         atomic_set(&isp->wdt_work_queued, 0);
1615
1616                         rt_mutex_unlock(&isp->mutex);
1617                         return;
1618                 }
1619         }
1620
1621         __atomisp_css_recover(isp, true);
1622         if (IS_ISP2401) {
1623                 for (i = 0; i < isp->num_of_streams; i++) {
1624                         struct atomisp_sub_device *asd = &isp->asd[i];
1625
1626                         if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1627                                 continue;
1628
1629                         atomisp_wdt_refresh(asd,
1630                                             isp->sw_contex.file_input ?
1631                                             ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1632                                             ATOMISP_ISP_TIMEOUT_DURATION);
1633                 }
1634         }
1635
1636         dev_err(isp->dev, "timeout recovery handling done\n");
1637         atomic_set(&isp->wdt_work_queued, 0);
1638
1639         rt_mutex_unlock(&isp->mutex);
1640 }
1641
1642 void atomisp_css_flush(struct atomisp_device *isp)
1643 {
1644         int i;
1645
1646         if (!atomisp_streaming_count(isp))
1647                 return;
1648
1649         /* Disable wdt */
1650         for (i = 0; i < isp->num_of_streams; i++) {
1651                 struct atomisp_sub_device *asd = &isp->asd[i];
1652
1653                 atomisp_wdt_stop(asd, true);
1654         }
1655
1656         /* Start recover */
1657         __atomisp_css_recover(isp, false);
1658         /* Restore wdt */
1659         for (i = 0; i < isp->num_of_streams; i++) {
1660                 struct atomisp_sub_device *asd = &isp->asd[i];
1661
1662                 if (asd->streaming !=
1663                     ATOMISP_DEVICE_STREAMING_ENABLED)
1664                         continue;
1665
1666                 atomisp_wdt_refresh(asd,
1667                                     isp->sw_contex.file_input ?
1668                                     ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1669                                     ATOMISP_ISP_TIMEOUT_DURATION);
1670         }
1671         dev_dbg(isp->dev, "atomisp css flush done\n");
1672 }
1673
1674 void atomisp_wdt(struct timer_list *t)
1675 {
1676         struct atomisp_sub_device *asd;
1677         struct atomisp_device *isp;
1678
1679         if (!IS_ISP2401) {
1680                 asd = from_timer(asd, t, wdt);
1681                 isp = asd->isp;
1682         } else {
1683                 struct atomisp_video_pipe *pipe = from_timer(pipe, t, wdt);
1684
1685                 asd = pipe->asd;
1686                 isp = asd->isp;
1687
1688                 atomic_inc(&pipe->wdt_count);
1689                 dev_warn(isp->dev,
1690                         "[WARNING]asd %d pipe %s ISP timeout %d!\n",
1691                         asd->index, pipe->vdev.name,
1692                         atomic_read(&pipe->wdt_count));
1693         }
1694
1695         if (atomic_read(&isp->wdt_work_queued)) {
1696                 dev_dbg(isp->dev, "ISP watchdog was put into workqueue\n");
1697                 return;
1698         }
1699         atomic_set(&isp->wdt_work_queued, 1);
1700         queue_work(isp->wdt_work_queue, &isp->wdt_work);
1701 }
1702
1703 /* ISP2400 */
1704 void atomisp_wdt_start(struct atomisp_sub_device *asd)
1705 {
1706         atomisp_wdt_refresh(asd, ATOMISP_ISP_TIMEOUT_DURATION);
1707 }
1708
1709 /* ISP2401 */
1710 void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe,
1711                               unsigned int delay)
1712 {
1713         unsigned long next;
1714
1715         if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1716                 pipe->wdt_duration = delay;
1717
1718         next = jiffies + pipe->wdt_duration;
1719
1720         /* Override next if it has been pushed beyon the "next" time */
1721         if (atomisp_is_wdt_running(pipe) && time_after(pipe->wdt_expires, next))
1722                 next = pipe->wdt_expires;
1723
1724         pipe->wdt_expires = next;
1725
1726         if (atomisp_is_wdt_running(pipe))
1727                 dev_dbg(pipe->asd->isp->dev, "WDT will hit after %d ms (%s)\n",
1728                         ((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1729         else
1730                 dev_dbg(pipe->asd->isp->dev, "WDT starts with %d ms period (%s)\n",
1731                         ((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1732
1733         mod_timer(&pipe->wdt, next);
1734 }
1735
1736 void atomisp_wdt_refresh(struct atomisp_sub_device *asd, unsigned int delay)
1737 {
1738         if (!IS_ISP2401) {
1739                 unsigned long next;
1740
1741                 if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1742                         asd->wdt_duration = delay;
1743
1744                 next = jiffies + asd->wdt_duration;
1745
1746                 /* Override next if it has been pushed beyon the "next" time */
1747                 if (atomisp_is_wdt_running(asd) && time_after(asd->wdt_expires, next))
1748                         next = asd->wdt_expires;
1749
1750                 asd->wdt_expires = next;
1751
1752                 if (atomisp_is_wdt_running(asd))
1753                         dev_dbg(asd->isp->dev, "WDT will hit after %d ms\n",
1754                                 ((int)(next - jiffies) * 1000 / HZ));
1755                 else
1756                         dev_dbg(asd->isp->dev, "WDT starts with %d ms period\n",
1757                                 ((int)(next - jiffies) * 1000 / HZ));
1758
1759                 mod_timer(&asd->wdt, next);
1760                 atomic_set(&asd->isp->wdt_count, 0);
1761         } else {
1762                 dev_dbg(asd->isp->dev, "WDT refresh all:\n");
1763                 if (atomisp_is_wdt_running(&asd->video_out_capture))
1764                         atomisp_wdt_refresh_pipe(&asd->video_out_capture, delay);
1765                 if (atomisp_is_wdt_running(&asd->video_out_preview))
1766                         atomisp_wdt_refresh_pipe(&asd->video_out_preview, delay);
1767                 if (atomisp_is_wdt_running(&asd->video_out_vf))
1768                         atomisp_wdt_refresh_pipe(&asd->video_out_vf, delay);
1769                 if (atomisp_is_wdt_running(&asd->video_out_video_capture))
1770                         atomisp_wdt_refresh_pipe(&asd->video_out_video_capture, delay);
1771         }
1772 }
1773
1774 /* ISP2401 */
1775 void atomisp_wdt_stop_pipe(struct atomisp_video_pipe *pipe, bool sync)
1776 {
1777         if (!atomisp_is_wdt_running(pipe))
1778                 return;
1779
1780         dev_dbg(pipe->asd->isp->dev,
1781                 "WDT stop asd %d (%s)\n", pipe->asd->index, pipe->vdev.name);
1782
1783         if (sync) {
1784                 del_timer_sync(&pipe->wdt);
1785                 cancel_work_sync(&pipe->asd->isp->wdt_work);
1786         } else {
1787                 del_timer(&pipe->wdt);
1788         }
1789 }
1790
1791 /* ISP 2401 */
1792 void atomisp_wdt_start_pipe(struct atomisp_video_pipe *pipe)
1793 {
1794         atomisp_wdt_refresh_pipe(pipe, ATOMISP_ISP_TIMEOUT_DURATION);
1795 }
1796
1797 void atomisp_wdt_stop(struct atomisp_sub_device *asd, bool sync)
1798 {
1799         dev_dbg(asd->isp->dev, "WDT stop:\n");
1800
1801         if (!IS_ISP2401) {
1802                 if (sync) {
1803                         del_timer_sync(&asd->wdt);
1804                         cancel_work_sync(&asd->isp->wdt_work);
1805                 } else {
1806                         del_timer(&asd->wdt);
1807                 }
1808         } else {
1809                 atomisp_wdt_stop_pipe(&asd->video_out_capture, sync);
1810                 atomisp_wdt_stop_pipe(&asd->video_out_preview, sync);
1811                 atomisp_wdt_stop_pipe(&asd->video_out_vf, sync);
1812                 atomisp_wdt_stop_pipe(&asd->video_out_video_capture, sync);
1813         }
1814 }
1815
1816 void atomisp_setup_flash(struct atomisp_sub_device *asd)
1817 {
1818         struct atomisp_device *isp = asd->isp;
1819         struct v4l2_control ctrl;
1820
1821         if (!isp->flash)
1822                 return;
1823
1824         if (asd->params.flash_state != ATOMISP_FLASH_REQUESTED &&
1825             asd->params.flash_state != ATOMISP_FLASH_DONE)
1826                 return;
1827
1828         if (asd->params.num_flash_frames) {
1829                 /* make sure the timeout is set before setting flash mode */
1830                 ctrl.id = V4L2_CID_FLASH_TIMEOUT;
1831                 ctrl.value = FLASH_TIMEOUT;
1832
1833                 if (v4l2_s_ctrl(NULL, isp->flash->ctrl_handler, &ctrl)) {
1834                         dev_err(isp->dev, "flash timeout configure failed\n");
1835                         return;
1836                 }
1837
1838                 ia_css_stream_request_flash(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream);
1839
1840                 asd->params.flash_state = ATOMISP_FLASH_ONGOING;
1841         } else {
1842                 asd->params.flash_state = ATOMISP_FLASH_IDLE;
1843         }
1844 }
1845
1846 irqreturn_t atomisp_isr_thread(int irq, void *isp_ptr)
1847 {
1848         struct atomisp_device *isp = isp_ptr;
1849         unsigned long flags;
1850         bool frame_done_found[MAX_STREAM_NUM] = {0};
1851         bool css_pipe_done[MAX_STREAM_NUM] = {0};
1852         unsigned int i;
1853         struct atomisp_sub_device *asd;
1854
1855         dev_dbg(isp->dev, ">%s\n", __func__);
1856
1857         spin_lock_irqsave(&isp->lock, flags);
1858
1859         if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp)) {
1860                 spin_unlock_irqrestore(&isp->lock, flags);
1861                 return IRQ_HANDLED;
1862         }
1863
1864         spin_unlock_irqrestore(&isp->lock, flags);
1865
1866         /*
1867          * The standard CSS2.0 API tells the following calling sequence of
1868          * dequeue ready buffers:
1869          * while (ia_css_dequeue_event(...)) {
1870          *      switch (event.type) {
1871          *      ...
1872          *      ia_css_pipe_dequeue_buffer()
1873          *      }
1874          * }
1875          * That is, dequeue event and buffer are one after another.
1876          *
1877          * But the following implementation is to first deuque all the event
1878          * to a FIFO, then process the event in the FIFO.
1879          * This will not have issue in single stream mode, but it do have some
1880          * issue in multiple stream case. The issue is that
1881          * ia_css_pipe_dequeue_buffer() will not return the corrent buffer in
1882          * a specific pipe.
1883          *
1884          * This is due to ia_css_pipe_dequeue_buffer() does not take the
1885          * ia_css_pipe parameter.
1886          *
1887          * So:
1888          * For CSS2.0: we change the way to not dequeue all the event at one
1889          * time, instead, dequue one and process one, then another
1890          */
1891         rt_mutex_lock(&isp->mutex);
1892         if (atomisp_css_isr_thread(isp, frame_done_found, css_pipe_done))
1893                 goto out;
1894
1895         for (i = 0; i < isp->num_of_streams; i++) {
1896                 asd = &isp->asd[i];
1897                 if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1898                         continue;
1899                 atomisp_setup_flash(asd);
1900         }
1901 out:
1902         rt_mutex_unlock(&isp->mutex);
1903         for (i = 0; i < isp->num_of_streams; i++) {
1904                 asd = &isp->asd[i];
1905                 if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED
1906                     && css_pipe_done[asd->index]
1907                     && isp->sw_contex.file_input)
1908                         v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1909                                          video, s_stream, 1);
1910                 /* FIXME! FIX ACC implementation */
1911                 if (asd->acc.pipeline && css_pipe_done[asd->index])
1912                         atomisp_css_acc_done(asd);
1913         }
1914         dev_dbg(isp->dev, "<%s\n", __func__);
1915
1916         return IRQ_HANDLED;
1917 }
1918
1919 /*
1920  * utils for buffer allocation/free
1921  */
1922
1923 int atomisp_get_frame_pgnr(struct atomisp_device *isp,
1924                            const struct ia_css_frame *frame, u32 *p_pgnr)
1925 {
1926         if (!frame) {
1927                 dev_err(isp->dev, "%s: NULL frame pointer ERROR.\n", __func__);
1928                 return -EINVAL;
1929         }
1930
1931         *p_pgnr = DIV_ROUND_UP(frame->data_bytes, PAGE_SIZE);
1932         return 0;
1933 }
1934
1935 /*
1936  * Get internal fmt according to V4L2 fmt
1937  */
1938 static enum ia_css_frame_format
1939 v4l2_fmt_to_sh_fmt(u32 fmt) {
1940         switch (fmt)
1941         {
1942         case V4L2_PIX_FMT_YUV420:
1943                                 return IA_CSS_FRAME_FORMAT_YUV420;
1944         case V4L2_PIX_FMT_YVU420:
1945                 return IA_CSS_FRAME_FORMAT_YV12;
1946         case V4L2_PIX_FMT_YUV422P:
1947                 return IA_CSS_FRAME_FORMAT_YUV422;
1948         case V4L2_PIX_FMT_YUV444:
1949                 return IA_CSS_FRAME_FORMAT_YUV444;
1950         case V4L2_PIX_FMT_NV12:
1951                 return IA_CSS_FRAME_FORMAT_NV12;
1952         case V4L2_PIX_FMT_NV21:
1953                 return IA_CSS_FRAME_FORMAT_NV21;
1954         case V4L2_PIX_FMT_NV16:
1955                 return IA_CSS_FRAME_FORMAT_NV16;
1956         case V4L2_PIX_FMT_NV61:
1957                 return IA_CSS_FRAME_FORMAT_NV61;
1958         case V4L2_PIX_FMT_UYVY:
1959                 return IA_CSS_FRAME_FORMAT_UYVY;
1960         case V4L2_PIX_FMT_YUYV:
1961                 return IA_CSS_FRAME_FORMAT_YUYV;
1962         case V4L2_PIX_FMT_RGB24:
1963                 return IA_CSS_FRAME_FORMAT_PLANAR_RGB888;
1964         case V4L2_PIX_FMT_RGB32:
1965                 return IA_CSS_FRAME_FORMAT_RGBA888;
1966         case V4L2_PIX_FMT_RGB565:
1967                 return IA_CSS_FRAME_FORMAT_RGB565;
1968         case V4L2_PIX_FMT_JPEG:
1969         case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1970                 return IA_CSS_FRAME_FORMAT_BINARY_8;
1971         case V4L2_PIX_FMT_SBGGR16:
1972         case V4L2_PIX_FMT_SBGGR10:
1973         case V4L2_PIX_FMT_SGBRG10:
1974         case V4L2_PIX_FMT_SGRBG10:
1975         case V4L2_PIX_FMT_SRGGB10:
1976         case V4L2_PIX_FMT_SBGGR12:
1977         case V4L2_PIX_FMT_SGBRG12:
1978         case V4L2_PIX_FMT_SGRBG12:
1979         case V4L2_PIX_FMT_SRGGB12:
1980         case V4L2_PIX_FMT_SBGGR8:
1981         case V4L2_PIX_FMT_SGBRG8:
1982         case V4L2_PIX_FMT_SGRBG8:
1983         case V4L2_PIX_FMT_SRGGB8:
1984                 return IA_CSS_FRAME_FORMAT_RAW;
1985         default:
1986                 return -EINVAL;
1987         }
1988 }
1989
1990 /*
1991  * raw format match between SH format and V4L2 format
1992  */
1993 static int raw_output_format_match_input(u32 input, u32 output)
1994 {
1995         if ((input == ATOMISP_INPUT_FORMAT_RAW_12) &&
1996             ((output == V4L2_PIX_FMT_SRGGB12) ||
1997              (output == V4L2_PIX_FMT_SGRBG12) ||
1998              (output == V4L2_PIX_FMT_SBGGR12) ||
1999              (output == V4L2_PIX_FMT_SGBRG12)))
2000                 return 0;
2001
2002         if ((input == ATOMISP_INPUT_FORMAT_RAW_10) &&
2003             ((output == V4L2_PIX_FMT_SRGGB10) ||
2004              (output == V4L2_PIX_FMT_SGRBG10) ||
2005              (output == V4L2_PIX_FMT_SBGGR10) ||
2006              (output == V4L2_PIX_FMT_SGBRG10)))
2007                 return 0;
2008
2009         if ((input == ATOMISP_INPUT_FORMAT_RAW_8) &&
2010             ((output == V4L2_PIX_FMT_SRGGB8) ||
2011              (output == V4L2_PIX_FMT_SGRBG8) ||
2012              (output == V4L2_PIX_FMT_SBGGR8) ||
2013              (output == V4L2_PIX_FMT_SGBRG8)))
2014                 return 0;
2015
2016         if ((input == ATOMISP_INPUT_FORMAT_RAW_16) && (output == V4L2_PIX_FMT_SBGGR16))
2017                 return 0;
2018
2019         return -EINVAL;
2020 }
2021
2022 static u32 get_pixel_depth(u32 pixelformat)
2023 {
2024         switch (pixelformat) {
2025         case V4L2_PIX_FMT_YUV420:
2026         case V4L2_PIX_FMT_NV12:
2027         case V4L2_PIX_FMT_NV21:
2028         case V4L2_PIX_FMT_YVU420:
2029                 return 12;
2030         case V4L2_PIX_FMT_YUV422P:
2031         case V4L2_PIX_FMT_YUYV:
2032         case V4L2_PIX_FMT_UYVY:
2033         case V4L2_PIX_FMT_NV16:
2034         case V4L2_PIX_FMT_NV61:
2035         case V4L2_PIX_FMT_RGB565:
2036         case V4L2_PIX_FMT_SBGGR16:
2037         case V4L2_PIX_FMT_SBGGR12:
2038         case V4L2_PIX_FMT_SGBRG12:
2039         case V4L2_PIX_FMT_SGRBG12:
2040         case V4L2_PIX_FMT_SRGGB12:
2041         case V4L2_PIX_FMT_SBGGR10:
2042         case V4L2_PIX_FMT_SGBRG10:
2043         case V4L2_PIX_FMT_SGRBG10:
2044         case V4L2_PIX_FMT_SRGGB10:
2045                 return 16;
2046         case V4L2_PIX_FMT_RGB24:
2047         case V4L2_PIX_FMT_YUV444:
2048                 return 24;
2049         case V4L2_PIX_FMT_RGB32:
2050                 return 32;
2051         case V4L2_PIX_FMT_JPEG:
2052         case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
2053         case V4L2_PIX_FMT_SBGGR8:
2054         case V4L2_PIX_FMT_SGBRG8:
2055         case V4L2_PIX_FMT_SGRBG8:
2056         case V4L2_PIX_FMT_SRGGB8:
2057                 return 8;
2058         default:
2059                 return 8 * 2;   /* raw type now */
2060         }
2061 }
2062
2063 bool atomisp_is_mbuscode_raw(uint32_t code)
2064 {
2065         return code >= 0x3000 && code < 0x4000;
2066 }
2067
2068 /*
2069  * ISP features control function
2070  */
2071
2072 /*
2073  * Set ISP capture mode based on current settings
2074  */
2075 static void atomisp_update_capture_mode(struct atomisp_sub_device *asd)
2076 {
2077         if (asd->params.gdc_cac_en)
2078                 atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_ADVANCED);
2079         else if (asd->params.low_light)
2080                 atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_LOW_LIGHT);
2081         else if (asd->video_out_capture.sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
2082                 atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
2083         else
2084                 atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
2085 }
2086
2087 /* ISP2401 */
2088 int atomisp_set_sensor_runmode(struct atomisp_sub_device *asd,
2089                                struct atomisp_s_runmode *runmode)
2090 {
2091         struct atomisp_device *isp = asd->isp;
2092         struct v4l2_ctrl *c;
2093         int ret = 0;
2094
2095         if (!(runmode && (runmode->mode & RUNMODE_MASK)))
2096                 return -EINVAL;
2097
2098         mutex_lock(asd->ctrl_handler.lock);
2099         c = v4l2_ctrl_find(isp->inputs[asd->input_curr].camera->ctrl_handler,
2100                            V4L2_CID_RUN_MODE);
2101
2102         if (c)
2103                 ret = v4l2_ctrl_s_ctrl(c, runmode->mode);
2104
2105         mutex_unlock(asd->ctrl_handler.lock);
2106         return ret;
2107 }
2108
2109 /*
2110  * Function to enable/disable lens geometry distortion correction (GDC) and
2111  * chromatic aberration correction (CAC)
2112  */
2113 int atomisp_gdc_cac(struct atomisp_sub_device *asd, int flag,
2114                     __s32 *value)
2115 {
2116         if (flag == 0) {
2117                 *value = asd->params.gdc_cac_en;
2118                 return 0;
2119         }
2120
2121         asd->params.gdc_cac_en = !!*value;
2122         if (asd->params.gdc_cac_en) {
2123                 asd->params.config.morph_table = asd->params.css_param.morph_table;
2124         } else {
2125                 asd->params.config.morph_table = NULL;
2126         }
2127         asd->params.css_update_params_needed = true;
2128         atomisp_update_capture_mode(asd);
2129         return 0;
2130 }
2131
2132 /*
2133  * Function to enable/disable low light mode including ANR
2134  */
2135 int atomisp_low_light(struct atomisp_sub_device *asd, int flag,
2136                       __s32 *value)
2137 {
2138         if (flag == 0) {
2139                 *value = asd->params.low_light;
2140                 return 0;
2141         }
2142
2143         asd->params.low_light = (*value != 0);
2144         atomisp_update_capture_mode(asd);
2145         return 0;
2146 }
2147
2148 /*
2149  * Function to enable/disable extra noise reduction (XNR) in low light
2150  * condition
2151  */
2152 int atomisp_xnr(struct atomisp_sub_device *asd, int flag,
2153                 int *xnr_enable)
2154 {
2155         if (flag == 0) {
2156                 *xnr_enable = asd->params.xnr_en;
2157                 return 0;
2158         }
2159
2160         atomisp_css_capture_enable_xnr(asd, !!*xnr_enable);
2161
2162         return 0;
2163 }
2164
2165 /*
2166  * Function to configure bayer noise reduction
2167  */
2168 int atomisp_nr(struct atomisp_sub_device *asd, int flag,
2169                struct atomisp_nr_config *arg)
2170 {
2171         if (flag == 0) {
2172                 /* Get nr config from current setup */
2173                 if (atomisp_css_get_nr_config(asd, arg))
2174                         return -EINVAL;
2175         } else {
2176                 /* Set nr config to isp parameters */
2177                 memcpy(&asd->params.css_param.nr_config, arg,
2178                        sizeof(struct ia_css_nr_config));
2179                 asd->params.config.nr_config = &asd->params.css_param.nr_config;
2180                 asd->params.css_update_params_needed = true;
2181         }
2182         return 0;
2183 }
2184
2185 /*
2186  * Function to configure temporal noise reduction (TNR)
2187  */
2188 int atomisp_tnr(struct atomisp_sub_device *asd, int flag,
2189                 struct atomisp_tnr_config *config)
2190 {
2191         /* Get tnr config from current setup */
2192         if (flag == 0) {
2193                 /* Get tnr config from current setup */
2194                 if (atomisp_css_get_tnr_config(asd, config))
2195                         return -EINVAL;
2196         } else {
2197                 /* Set tnr config to isp parameters */
2198                 memcpy(&asd->params.css_param.tnr_config, config,
2199                        sizeof(struct ia_css_tnr_config));
2200                 asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
2201                 asd->params.css_update_params_needed = true;
2202         }
2203
2204         return 0;
2205 }
2206
2207 /*
2208  * Function to configure black level compensation
2209  */
2210 int atomisp_black_level(struct atomisp_sub_device *asd, int flag,
2211                         struct atomisp_ob_config *config)
2212 {
2213         if (flag == 0) {
2214                 /* Get ob config from current setup */
2215                 if (atomisp_css_get_ob_config(asd, config))
2216                         return -EINVAL;
2217         } else {
2218                 /* Set ob config to isp parameters */
2219                 memcpy(&asd->params.css_param.ob_config, config,
2220                        sizeof(struct ia_css_ob_config));
2221                 asd->params.config.ob_config = &asd->params.css_param.ob_config;
2222                 asd->params.css_update_params_needed = true;
2223         }
2224
2225         return 0;
2226 }
2227
2228 /*
2229  * Function to configure edge enhancement
2230  */
2231 int atomisp_ee(struct atomisp_sub_device *asd, int flag,
2232                struct atomisp_ee_config *config)
2233 {
2234         if (flag == 0) {
2235                 /* Get ee config from current setup */
2236                 if (atomisp_css_get_ee_config(asd, config))
2237                         return -EINVAL;
2238         } else {
2239                 /* Set ee config to isp parameters */
2240                 memcpy(&asd->params.css_param.ee_config, config,
2241                        sizeof(asd->params.css_param.ee_config));
2242                 asd->params.config.ee_config = &asd->params.css_param.ee_config;
2243                 asd->params.css_update_params_needed = true;
2244         }
2245
2246         return 0;
2247 }
2248
2249 /*
2250  * Function to update Gamma table for gamma, brightness and contrast config
2251  */
2252 int atomisp_gamma(struct atomisp_sub_device *asd, int flag,
2253                   struct atomisp_gamma_table *config)
2254 {
2255         if (flag == 0) {
2256                 /* Get gamma table from current setup */
2257                 if (atomisp_css_get_gamma_table(asd, config))
2258                         return -EINVAL;
2259         } else {
2260                 /* Set gamma table to isp parameters */
2261                 memcpy(&asd->params.css_param.gamma_table, config,
2262                        sizeof(asd->params.css_param.gamma_table));
2263                 asd->params.config.gamma_table = &asd->params.css_param.gamma_table;
2264         }
2265
2266         return 0;
2267 }
2268
2269 /*
2270  * Function to update Ctc table for Chroma Enhancement
2271  */
2272 int atomisp_ctc(struct atomisp_sub_device *asd, int flag,
2273                 struct atomisp_ctc_table *config)
2274 {
2275         if (flag == 0) {
2276                 /* Get ctc table from current setup */
2277                 if (atomisp_css_get_ctc_table(asd, config))
2278                         return -EINVAL;
2279         } else {
2280                 /* Set ctc table to isp parameters */
2281                 memcpy(&asd->params.css_param.ctc_table, config,
2282                        sizeof(asd->params.css_param.ctc_table));
2283                 atomisp_css_set_ctc_table(asd, &asd->params.css_param.ctc_table);
2284         }
2285
2286         return 0;
2287 }
2288
2289 /*
2290  * Function to update gamma correction parameters
2291  */
2292 int atomisp_gamma_correction(struct atomisp_sub_device *asd, int flag,
2293                              struct atomisp_gc_config *config)
2294 {
2295         if (flag == 0) {
2296                 /* Get gamma correction params from current setup */
2297                 if (atomisp_css_get_gc_config(asd, config))
2298                         return -EINVAL;
2299         } else {
2300                 /* Set gamma correction params to isp parameters */
2301                 memcpy(&asd->params.css_param.gc_config, config,
2302                        sizeof(asd->params.css_param.gc_config));
2303                 asd->params.config.gc_config = &asd->params.css_param.gc_config;
2304                 asd->params.css_update_params_needed = true;
2305         }
2306
2307         return 0;
2308 }
2309
2310 /*
2311  * Function to update narrow gamma flag
2312  */
2313 int atomisp_formats(struct atomisp_sub_device *asd, int flag,
2314                     struct atomisp_formats_config *config)
2315 {
2316         if (flag == 0) {
2317                 /* Get narrow gamma flag from current setup */
2318                 if (atomisp_css_get_formats_config(asd, config))
2319                         return -EINVAL;
2320         } else {
2321                 /* Set narrow gamma flag to isp parameters */
2322                 memcpy(&asd->params.css_param.formats_config, config,
2323                        sizeof(asd->params.css_param.formats_config));
2324                 asd->params.config.formats_config = &asd->params.css_param.formats_config;
2325         }
2326
2327         return 0;
2328 }
2329
2330 void atomisp_free_internal_buffers(struct atomisp_sub_device *asd)
2331 {
2332         atomisp_free_css_parameters(&asd->params.css_param);
2333
2334         if (asd->raw_output_frame) {
2335                 ia_css_frame_free(asd->raw_output_frame);
2336                 asd->raw_output_frame = NULL;
2337         }
2338 }
2339
2340 static void atomisp_update_grid_info(struct atomisp_sub_device *asd,
2341                                      enum ia_css_pipe_id pipe_id,
2342                                      int source_pad)
2343 {
2344         struct atomisp_device *isp = asd->isp;
2345         int err;
2346         u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
2347
2348         if (atomisp_css_get_grid_info(asd, pipe_id, source_pad))
2349                 return;
2350
2351         /* We must free all buffers because they no longer match
2352            the grid size. */
2353         atomisp_css_free_stat_buffers(asd);
2354
2355         err = atomisp_alloc_css_stat_bufs(asd, stream_id);
2356         if (err) {
2357                 dev_err(isp->dev, "stat_buf allocate error\n");
2358                 goto err;
2359         }
2360
2361         if (atomisp_alloc_3a_output_buf(asd)) {
2362                 /* Failure for 3A buffers does not influence DIS buffers */
2363                 if (asd->params.s3a_output_bytes != 0) {
2364                         /* For SOC sensor happens s3a_output_bytes == 0,
2365                          * using if condition to exclude false error log */
2366                         dev_err(isp->dev, "Failed to allocate memory for 3A statistics\n");
2367                 }
2368                 goto err;
2369         }
2370
2371         if (atomisp_alloc_dis_coef_buf(asd)) {
2372                 dev_err(isp->dev,
2373                         "Failed to allocate memory for DIS statistics\n");
2374                 goto err;
2375         }
2376
2377         if (atomisp_alloc_metadata_output_buf(asd)) {
2378                 dev_err(isp->dev, "Failed to allocate memory for metadata\n");
2379                 goto err;
2380         }
2381
2382         return;
2383
2384 err:
2385         atomisp_css_free_stat_buffers(asd);
2386         return;
2387 }
2388
2389 static void atomisp_curr_user_grid_info(struct atomisp_sub_device *asd,
2390                                         struct atomisp_grid_info *info)
2391 {
2392         memcpy(info, &asd->params.curr_grid_info.s3a_grid,
2393                sizeof(struct ia_css_3a_grid_info));
2394 }
2395
2396 int atomisp_compare_grid(struct atomisp_sub_device *asd,
2397                          struct atomisp_grid_info *atomgrid)
2398 {
2399         struct atomisp_grid_info tmp = {0};
2400
2401         atomisp_curr_user_grid_info(asd, &tmp);
2402         return memcmp(atomgrid, &tmp, sizeof(tmp));
2403 }
2404
2405 /*
2406  * Function to update Gdc table for gdc
2407  */
2408 int atomisp_gdc_cac_table(struct atomisp_sub_device *asd, int flag,
2409                           struct atomisp_morph_table *config)
2410 {
2411         int ret;
2412         int i;
2413         struct atomisp_device *isp = asd->isp;
2414
2415         if (flag == 0) {
2416                 /* Get gdc table from current setup */
2417                 struct ia_css_morph_table tab = {0};
2418
2419                 atomisp_css_get_morph_table(asd, &tab);
2420
2421                 config->width = tab.width;
2422                 config->height = tab.height;
2423
2424                 for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2425                         ret = copy_to_user(config->coordinates_x[i],
2426                                            tab.coordinates_x[i], tab.height *
2427                                            tab.width * sizeof(*tab.coordinates_x[i]));
2428                         if (ret) {
2429                                 dev_err(isp->dev,
2430                                         "Failed to copy to User for x\n");
2431                                 return -EFAULT;
2432                         }
2433                         ret = copy_to_user(config->coordinates_y[i],
2434                                            tab.coordinates_y[i], tab.height *
2435                                            tab.width * sizeof(*tab.coordinates_y[i]));
2436                         if (ret) {
2437                                 dev_err(isp->dev,
2438                                         "Failed to copy to User for y\n");
2439                                 return -EFAULT;
2440                         }
2441                 }
2442         } else {
2443                 struct ia_css_morph_table *tab =
2444                             asd->params.css_param.morph_table;
2445
2446                 /* free first if we have one */
2447                 if (tab) {
2448                         atomisp_css_morph_table_free(tab);
2449                         asd->params.css_param.morph_table = NULL;
2450                 }
2451
2452                 /* allocate new one */
2453                 tab = atomisp_css_morph_table_allocate(config->width,
2454                                                        config->height);
2455
2456                 if (!tab) {
2457                         dev_err(isp->dev, "out of memory\n");
2458                         return -EINVAL;
2459                 }
2460
2461                 for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2462                         ret = copy_from_user(tab->coordinates_x[i],
2463                                              config->coordinates_x[i],
2464                                              config->height * config->width *
2465                                              sizeof(*config->coordinates_x[i]));
2466                         if (ret) {
2467                                 dev_err(isp->dev,
2468                                         "Failed to copy from User for x, ret %d\n",
2469                                         ret);
2470                                 atomisp_css_morph_table_free(tab);
2471                                 return -EFAULT;
2472                         }
2473                         ret = copy_from_user(tab->coordinates_y[i],
2474                                              config->coordinates_y[i],
2475                                              config->height * config->width *
2476                                              sizeof(*config->coordinates_y[i]));
2477                         if (ret) {
2478                                 dev_err(isp->dev,
2479                                         "Failed to copy from User for y, ret is %d\n",
2480                                         ret);
2481                                 atomisp_css_morph_table_free(tab);
2482                                 return -EFAULT;
2483                         }
2484                 }
2485                 asd->params.css_param.morph_table = tab;
2486                 if (asd->params.gdc_cac_en)
2487                         asd->params.config.morph_table = tab;
2488         }
2489
2490         return 0;
2491 }
2492
2493 int atomisp_macc_table(struct atomisp_sub_device *asd, int flag,
2494                        struct atomisp_macc_config *config)
2495 {
2496         struct ia_css_macc_table *macc_table;
2497
2498         switch (config->color_effect) {
2499         case V4L2_COLORFX_NONE:
2500                 macc_table = &asd->params.css_param.macc_table;
2501                 break;
2502         case V4L2_COLORFX_SKY_BLUE:
2503                 macc_table = &blue_macc_table;
2504                 break;
2505         case V4L2_COLORFX_GRASS_GREEN:
2506                 macc_table = &green_macc_table;
2507                 break;
2508         case V4L2_COLORFX_SKIN_WHITEN_LOW:
2509                 macc_table = &skin_low_macc_table;
2510                 break;
2511         case V4L2_COLORFX_SKIN_WHITEN:
2512                 macc_table = &skin_medium_macc_table;
2513                 break;
2514         case V4L2_COLORFX_SKIN_WHITEN_HIGH:
2515                 macc_table = &skin_high_macc_table;
2516                 break;
2517         default:
2518                 return -EINVAL;
2519         }
2520
2521         if (flag == 0) {
2522                 /* Get macc table from current setup */
2523                 memcpy(&config->table, macc_table,
2524                        sizeof(struct ia_css_macc_table));
2525         } else {
2526                 memcpy(macc_table, &config->table,
2527                        sizeof(struct ia_css_macc_table));
2528                 if (config->color_effect == asd->params.color_effect)
2529                         asd->params.config.macc_table = macc_table;
2530         }
2531
2532         return 0;
2533 }
2534
2535 int atomisp_set_dis_vector(struct atomisp_sub_device *asd,
2536                            struct atomisp_dis_vector *vector)
2537 {
2538         atomisp_css_video_set_dis_vector(asd, vector);
2539
2540         asd->params.dis_proj_data_valid = false;
2541         asd->params.css_update_params_needed = true;
2542         return 0;
2543 }
2544
2545 /*
2546  * Function to set/get image stablization statistics
2547  */
2548 int atomisp_get_dis_stat(struct atomisp_sub_device *asd,
2549                          struct atomisp_dis_statistics *stats)
2550 {
2551         return atomisp_css_get_dis_stat(asd, stats);
2552 }
2553
2554 /*
2555  * Function  set camrea_prefiles.xml current sensor pixel array size
2556  */
2557 int atomisp_set_array_res(struct atomisp_sub_device *asd,
2558                           struct atomisp_resolution  *config)
2559 {
2560         dev_dbg(asd->isp->dev, ">%s start\n", __func__);
2561         if (!config) {
2562                 dev_err(asd->isp->dev, "Set sensor array size is not valid\n");
2563                 return -EINVAL;
2564         }
2565
2566         asd->sensor_array_res.width = config->width;
2567         asd->sensor_array_res.height = config->height;
2568         return 0;
2569 }
2570
2571 /*
2572  * Function to get DVS2 BQ resolution settings
2573  */
2574 int atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device *asd,
2575                                     struct atomisp_dvs2_bq_resolutions *bq_res)
2576 {
2577         struct ia_css_pipe_config *pipe_cfg = NULL;
2578         struct ia_css_stream_config *stream_cfg = NULL;
2579         struct ia_css_stream_input_config *input_config = NULL;
2580
2581         struct ia_css_stream *stream =
2582                     asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
2583         if (!stream) {
2584                 dev_warn(asd->isp->dev, "stream is not created");
2585                 return -EAGAIN;
2586         }
2587
2588         pipe_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2589                    .pipe_configs[IA_CSS_PIPE_ID_VIDEO];
2590         stream_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2591                      .stream_config;
2592         input_config = &stream_cfg->input_config;
2593
2594         if (!bq_res)
2595                 return -EINVAL;
2596
2597         /* the GDC output resolution */
2598         bq_res->output_bq.width_bq = pipe_cfg->output_info[0].res.width / 2;
2599         bq_res->output_bq.height_bq = pipe_cfg->output_info[0].res.height / 2;
2600
2601         bq_res->envelope_bq.width_bq = 0;
2602         bq_res->envelope_bq.height_bq = 0;
2603         /* the GDC input resolution */
2604         if (!asd->continuous_mode->val) {
2605                 bq_res->source_bq.width_bq = bq_res->output_bq.width_bq +
2606                                              pipe_cfg->dvs_envelope.width / 2;
2607                 bq_res->source_bq.height_bq = bq_res->output_bq.height_bq +
2608                                               pipe_cfg->dvs_envelope.height / 2;
2609                 /*
2610                  * Bad pixels caused by spatial filter processing
2611                  * ISP filter resolution should be given by CSS/FW, but for now
2612                  * there is not such API to query, and it is fixed value, so
2613                  * hardcoded here.
2614                  */
2615                 bq_res->ispfilter_bq.width_bq = 12 / 2;
2616                 bq_res->ispfilter_bq.height_bq = 12 / 2;
2617                 /* spatial filter shift, always 4 pixels */
2618                 bq_res->gdc_shift_bq.width_bq = 4 / 2;
2619                 bq_res->gdc_shift_bq.height_bq = 4 / 2;
2620
2621                 if (asd->params.video_dis_en) {
2622                         bq_res->envelope_bq.width_bq = pipe_cfg->dvs_envelope.width
2623                                                        / 2 - bq_res->ispfilter_bq.width_bq;
2624                         bq_res->envelope_bq.height_bq = pipe_cfg->dvs_envelope.height
2625                                                         / 2 - bq_res->ispfilter_bq.height_bq;
2626                 }
2627         } else {
2628                 unsigned int w_padding;
2629                 unsigned int gdc_effective_input = 0;
2630
2631                 /* For GDC:
2632                  * gdc_effective_input = effective_input + envelope
2633                  *
2634                  * From the comment and formula in BZ1786,
2635                  * we see the source_bq should be:
2636                  * effective_input / bayer_ds_ratio
2637                  */
2638                 bq_res->source_bq.width_bq =
2639                     (input_config->effective_res.width *
2640                      pipe_cfg->bayer_ds_out_res.width /
2641                      input_config->effective_res.width + 1) / 2;
2642                 bq_res->source_bq.height_bq =
2643                     (input_config->effective_res.height *
2644                      pipe_cfg->bayer_ds_out_res.height /
2645                      input_config->effective_res.height + 1) / 2;
2646
2647                 if (!asd->params.video_dis_en) {
2648                         /*
2649                          * We adjust the ispfilter_bq to:
2650                          * ispfilter_bq = 128/BDS
2651                          * we still need firmware team to provide an offical
2652                          * formula for SDV.
2653                          */
2654                         bq_res->ispfilter_bq.width_bq = 128 *
2655                                                         pipe_cfg->bayer_ds_out_res.width /
2656                                                         input_config->effective_res.width / 2;
2657                         bq_res->ispfilter_bq.height_bq = 128 *
2658                                                          pipe_cfg->bayer_ds_out_res.width /
2659                                                          input_config->effective_res.width / 2;
2660
2661                         if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2662                                 /* No additional left padding for ISYS2401 */
2663                                 bq_res->gdc_shift_bq.width_bq = 4 / 2;
2664                                 bq_res->gdc_shift_bq.height_bq = 4 / 2;
2665                         } else {
2666                                 /*
2667                                  * For the w_padding and gdc_shift_bq cacluation
2668                                  * Please see the BZ 1786 and 4358 for more info.
2669                                  * Just test that this formula can work now,
2670                                  * but we still have no offical formula.
2671                                  *
2672                                  * w_padding = ceiling(gdc_effective_input
2673                                  *             /128, 1) * 128 - effective_width
2674                                  * gdc_shift_bq = w_padding/BDS/2 + ispfilter_bq/2
2675                                  */
2676                                 gdc_effective_input =
2677                                     input_config->effective_res.width +
2678                                     pipe_cfg->dvs_envelope.width;
2679                                 w_padding = roundup(gdc_effective_input, 128) -
2680                                             input_config->effective_res.width;
2681                                 w_padding = w_padding *
2682                                             pipe_cfg->bayer_ds_out_res.width /
2683                                             input_config->effective_res.width + 1;
2684                                 w_padding = roundup(w_padding / 2, 1);
2685
2686                                 bq_res->gdc_shift_bq.width_bq = bq_res->ispfilter_bq.width_bq / 2
2687                                                                 + w_padding;
2688                                 bq_res->gdc_shift_bq.height_bq = 4 / 2;
2689                         }
2690                 } else {
2691                         unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
2692
2693                         bq_res->ispfilter_bq.width_bq = 8 / 2;
2694                         bq_res->ispfilter_bq.height_bq = 8 / 2;
2695
2696                         if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2697                                 /* No additional left padding for ISYS2401 */
2698                                 bq_res->gdc_shift_bq.width_bq = 4 / 2;
2699                                 bq_res->gdc_shift_bq.height_bq = 4 / 2;
2700                         } else {
2701                                 w_padding =
2702                                     roundup(input_config->effective_res.width, 128) -
2703                                     input_config->effective_res.width;
2704                                 if (w_padding < 12)
2705                                         w_padding = 12;
2706                                 bq_res->gdc_shift_bq.width_bq = 4 / 2 +
2707                                                                 ((w_padding - 12) *
2708                                                                  pipe_cfg->bayer_ds_out_res.width /
2709                                                                  input_config->effective_res.width + 1) / 2;
2710                                 bq_res->gdc_shift_bq.height_bq = 4 / 2;
2711                         }
2712
2713                         dvs_w = pipe_cfg->bayer_ds_out_res.width -
2714                                 pipe_cfg->output_info[0].res.width;
2715                         dvs_h = pipe_cfg->bayer_ds_out_res.height -
2716                                 pipe_cfg->output_info[0].res.height;
2717                         dvs_w_max = rounddown(
2718                                         pipe_cfg->output_info[0].res.width / 5,
2719                                         ATOM_ISP_STEP_WIDTH);
2720                         dvs_h_max = rounddown(
2721                                         pipe_cfg->output_info[0].res.height / 5,
2722                                         ATOM_ISP_STEP_HEIGHT);
2723                         bq_res->envelope_bq.width_bq =
2724                             min((dvs_w / 2), (dvs_w_max / 2)) -
2725                             bq_res->ispfilter_bq.width_bq;
2726                         bq_res->envelope_bq.height_bq =
2727                             min((dvs_h / 2), (dvs_h_max / 2)) -
2728                             bq_res->ispfilter_bq.height_bq;
2729                 }
2730         }
2731
2732         dev_dbg(asd->isp->dev,
2733                 "source_bq.width_bq %d, source_bq.height_bq %d,\nispfilter_bq.width_bq %d, ispfilter_bq.height_bq %d,\ngdc_shift_bq.width_bq %d, gdc_shift_bq.height_bq %d,\nenvelope_bq.width_bq %d, envelope_bq.height_bq %d,\noutput_bq.width_bq %d, output_bq.height_bq %d\n",
2734                 bq_res->source_bq.width_bq, bq_res->source_bq.height_bq,
2735                 bq_res->ispfilter_bq.width_bq, bq_res->ispfilter_bq.height_bq,
2736                 bq_res->gdc_shift_bq.width_bq, bq_res->gdc_shift_bq.height_bq,
2737                 bq_res->envelope_bq.width_bq, bq_res->envelope_bq.height_bq,
2738                 bq_res->output_bq.width_bq, bq_res->output_bq.height_bq);
2739
2740         return 0;
2741 }
2742
2743 int atomisp_set_dis_coefs(struct atomisp_sub_device *asd,
2744                           struct atomisp_dis_coefficients *coefs)
2745 {
2746         return atomisp_css_set_dis_coefs(asd, coefs);
2747 }
2748
2749 /*
2750  * Function to set/get 3A stat from isp
2751  */
2752 int atomisp_3a_stat(struct atomisp_sub_device *asd, int flag,
2753                     struct atomisp_3a_statistics *config)
2754 {
2755         struct atomisp_device *isp = asd->isp;
2756         struct atomisp_s3a_buf *s3a_buf;
2757         unsigned long ret;
2758
2759         if (flag != 0)
2760                 return -EINVAL;
2761
2762         /* sanity check to avoid writing into unallocated memory. */
2763         if (asd->params.s3a_output_bytes == 0)
2764                 return -EINVAL;
2765
2766         if (atomisp_compare_grid(asd, &config->grid_info) != 0) {
2767                 /* If the grid info in the argument differs from the current
2768                    grid info, we tell the caller to reset the grid size and
2769                    try again. */
2770                 return -EAGAIN;
2771         }
2772
2773         if (list_empty(&asd->s3a_stats_ready)) {
2774                 dev_err(isp->dev, "3a statistics is not valid.\n");
2775                 return -EAGAIN;
2776         }
2777
2778         s3a_buf = list_entry(asd->s3a_stats_ready.next,
2779                              struct atomisp_s3a_buf, list);
2780         if (s3a_buf->s3a_map)
2781                 ia_css_translate_3a_statistics(
2782                     asd->params.s3a_user_stat, s3a_buf->s3a_map);
2783         else
2784                 ia_css_get_3a_statistics(asd->params.s3a_user_stat,
2785                                          s3a_buf->s3a_data);
2786
2787         config->exp_id = s3a_buf->s3a_data->exp_id;
2788         config->isp_config_id = s3a_buf->s3a_data->isp_config_id;
2789
2790         ret = copy_to_user(config->data, asd->params.s3a_user_stat->data,
2791                            asd->params.s3a_output_bytes);
2792         if (ret) {
2793                 dev_err(isp->dev, "copy to user failed: copied %lu bytes\n",
2794                         ret);
2795                 return -EFAULT;
2796         }
2797
2798         /* Move to free buffer list */
2799         list_del_init(&s3a_buf->list);
2800         list_add_tail(&s3a_buf->list, &asd->s3a_stats);
2801         dev_dbg(isp->dev, "%s: finish getting exp_id %d 3a stat, isp_config_id %d\n",
2802                 __func__,
2803                 config->exp_id, config->isp_config_id);
2804         return 0;
2805 }
2806
2807 int atomisp_get_metadata(struct atomisp_sub_device *asd, int flag,
2808                          struct atomisp_metadata *md)
2809 {
2810         struct atomisp_device *isp = asd->isp;
2811         struct ia_css_stream_config *stream_config;
2812         struct ia_css_stream_info *stream_info;
2813         struct camera_mipi_info *mipi_info;
2814         struct atomisp_metadata_buf *md_buf;
2815         enum atomisp_metadata_type md_type = ATOMISP_MAIN_METADATA;
2816         int ret, i;
2817
2818         if (flag != 0)
2819                 return -EINVAL;
2820
2821         stream_config = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2822                         stream_config;
2823         stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2824                       stream_info;
2825
2826         /* We always return the resolution and stride even if there is
2827          * no valid metadata. This allows the caller to get the information
2828          * needed to allocate user-space buffers. */
2829         md->width  = stream_info->metadata_info.resolution.width;
2830         md->height = stream_info->metadata_info.resolution.height;
2831         md->stride = stream_info->metadata_info.stride;
2832
2833         /* sanity check to avoid writing into unallocated memory.
2834          * This does not return an error because it is a valid way
2835          * for applications to detect that metadata is not enabled. */
2836         if (md->width == 0 || md->height == 0 || !md->data)
2837                 return 0;
2838
2839         /* This is done in the atomisp_buf_done() */
2840         if (list_empty(&asd->metadata_ready[md_type])) {
2841                 dev_warn(isp->dev, "Metadata queue is empty now!\n");
2842                 return -EAGAIN;
2843         }
2844
2845         mipi_info = atomisp_to_sensor_mipi_info(
2846                         isp->inputs[asd->input_curr].camera);
2847         if (!mipi_info)
2848                 return -EINVAL;
2849
2850         if (mipi_info->metadata_effective_width) {
2851                 for (i = 0; i < md->height; i++)
2852                         md->effective_width[i] =
2853                             mipi_info->metadata_effective_width[i];
2854         }
2855
2856         md_buf = list_entry(asd->metadata_ready[md_type].next,
2857                             struct atomisp_metadata_buf, list);
2858         md->exp_id = md_buf->metadata->exp_id;
2859         if (md_buf->md_vptr) {
2860                 ret = copy_to_user(md->data,
2861                                    md_buf->md_vptr,
2862                                    stream_info->metadata_info.size);
2863         } else {
2864                 hmm_load(md_buf->metadata->address,
2865                          asd->params.metadata_user[md_type],
2866                          stream_info->metadata_info.size);
2867
2868                 ret = copy_to_user(md->data,
2869                                    asd->params.metadata_user[md_type],
2870                                    stream_info->metadata_info.size);
2871         }
2872         if (ret) {
2873                 dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2874                         ret);
2875                 return -EFAULT;
2876         }
2877
2878         list_del_init(&md_buf->list);
2879         list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2880
2881         dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2882                 __func__, md_type, md->exp_id);
2883         return 0;
2884 }
2885
2886 int atomisp_get_metadata_by_type(struct atomisp_sub_device *asd, int flag,
2887                                  struct atomisp_metadata_with_type *md)
2888 {
2889         struct atomisp_device *isp = asd->isp;
2890         struct ia_css_stream_config *stream_config;
2891         struct ia_css_stream_info *stream_info;
2892         struct camera_mipi_info *mipi_info;
2893         struct atomisp_metadata_buf *md_buf;
2894         enum atomisp_metadata_type md_type;
2895         int ret, i;
2896
2897         if (flag != 0)
2898                 return -EINVAL;
2899
2900         stream_config = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2901                         stream_config;
2902         stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2903                       stream_info;
2904
2905         /* We always return the resolution and stride even if there is
2906          * no valid metadata. This allows the caller to get the information
2907          * needed to allocate user-space buffers. */
2908         md->width  = stream_info->metadata_info.resolution.width;
2909         md->height = stream_info->metadata_info.resolution.height;
2910         md->stride = stream_info->metadata_info.stride;
2911
2912         /* sanity check to avoid writing into unallocated memory.
2913          * This does not return an error because it is a valid way
2914          * for applications to detect that metadata is not enabled. */
2915         if (md->width == 0 || md->height == 0 || !md->data)
2916                 return 0;
2917
2918         md_type = md->type;
2919         if (md_type < 0 || md_type >= ATOMISP_METADATA_TYPE_NUM)
2920                 return -EINVAL;
2921
2922         /* This is done in the atomisp_buf_done() */
2923         if (list_empty(&asd->metadata_ready[md_type])) {
2924                 dev_warn(isp->dev, "Metadata queue is empty now!\n");
2925                 return -EAGAIN;
2926         }
2927
2928         mipi_info = atomisp_to_sensor_mipi_info(
2929                         isp->inputs[asd->input_curr].camera);
2930         if (!mipi_info)
2931                 return -EINVAL;
2932
2933         if (mipi_info->metadata_effective_width) {
2934                 for (i = 0; i < md->height; i++)
2935                         md->effective_width[i] =
2936                             mipi_info->metadata_effective_width[i];
2937         }
2938
2939         md_buf = list_entry(asd->metadata_ready[md_type].next,
2940                             struct atomisp_metadata_buf, list);
2941         md->exp_id = md_buf->metadata->exp_id;
2942         if (md_buf->md_vptr) {
2943                 ret = copy_to_user(md->data,
2944                                    md_buf->md_vptr,
2945                                    stream_info->metadata_info.size);
2946         } else {
2947                 hmm_load(md_buf->metadata->address,
2948                          asd->params.metadata_user[md_type],
2949                          stream_info->metadata_info.size);
2950
2951                 ret = copy_to_user(md->data,
2952                                    asd->params.metadata_user[md_type],
2953                                    stream_info->metadata_info.size);
2954         }
2955         if (ret) {
2956                 dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2957                         ret);
2958                 return -EFAULT;
2959         } else {
2960                 list_del_init(&md_buf->list);
2961                 list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2962         }
2963         dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2964                 __func__, md_type, md->exp_id);
2965         return 0;
2966 }
2967
2968 /*
2969  * Function to calculate real zoom region for every pipe
2970  */
2971 int atomisp_calculate_real_zoom_region(struct atomisp_sub_device *asd,
2972                                        struct ia_css_dz_config   *dz_config,
2973                                        enum ia_css_pipe_id css_pipe_id)
2974
2975 {
2976         struct atomisp_stream_env *stream_env =
2977                     &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL];
2978         struct atomisp_resolution  eff_res, out_res;
2979         int w_offset, h_offset;
2980
2981         memset(&eff_res, 0, sizeof(eff_res));
2982         memset(&out_res, 0, sizeof(out_res));
2983
2984         if (dz_config->dx || dz_config->dy)
2985                 return 0;
2986
2987         if (css_pipe_id != IA_CSS_PIPE_ID_PREVIEW
2988             && css_pipe_id != IA_CSS_PIPE_ID_CAPTURE) {
2989                 dev_err(asd->isp->dev, "%s the set pipe no support crop region"
2990                         , __func__);
2991                 return -EINVAL;
2992         }
2993
2994         eff_res.width =
2995             stream_env->stream_config.input_config.effective_res.width;
2996         eff_res.height =
2997             stream_env->stream_config.input_config.effective_res.height;
2998         if (eff_res.width == 0 || eff_res.height == 0) {
2999                 dev_err(asd->isp->dev, "%s err effective resolution"
3000                         , __func__);
3001                 return -EINVAL;
3002         }
3003
3004         if (dz_config->zoom_region.resolution.width
3005             == asd->sensor_array_res.width
3006             || dz_config->zoom_region.resolution.height
3007             == asd->sensor_array_res.height) {
3008                 /*no need crop region*/
3009                 dz_config->zoom_region.origin.x = 0;
3010                 dz_config->zoom_region.origin.y = 0;
3011                 dz_config->zoom_region.resolution.width = eff_res.width;
3012                 dz_config->zoom_region.resolution.height = eff_res.height;
3013                 return 0;
3014         }
3015
3016         /* FIXME:
3017          * This is not the correct implementation with Google's definition, due
3018          * to firmware limitation.
3019          * map real crop region base on above calculating base max crop region.
3020          */
3021
3022         if (!IS_ISP2401) {
3023                 dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3024                                                   * eff_res.width
3025                                                   / asd->sensor_array_res.width;
3026                 dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3027                                                   * eff_res.height
3028                                                   / asd->sensor_array_res.height;
3029                 dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3030                                                           * eff_res.width
3031                                                           / asd->sensor_array_res.width;
3032                 dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3033                                                           * eff_res.height
3034                                                           / asd->sensor_array_res.height;
3035                 /*
3036                  * Set same ratio of crop region resolution and current pipe output
3037                  * resolution
3038                  */
3039                 out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3040                 out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3041                 if (out_res.width == 0 || out_res.height == 0) {
3042                         dev_err(asd->isp->dev, "%s err current pipe output resolution"
3043                                 , __func__);
3044                         return -EINVAL;
3045                 }
3046         } else {
3047                 out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3048                 out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3049                 if (out_res.width == 0 || out_res.height == 0) {
3050                         dev_err(asd->isp->dev, "%s err current pipe output resolution"
3051                                 , __func__);
3052                         return -EINVAL;
3053                 }
3054
3055                 if (asd->sensor_array_res.width * out_res.height
3056                     < out_res.width * asd->sensor_array_res.height) {
3057                         h_offset = asd->sensor_array_res.height
3058                                    - asd->sensor_array_res.width
3059                                    * out_res.height / out_res.width;
3060                         h_offset = h_offset / 2;
3061                         if (dz_config->zoom_region.origin.y < h_offset)
3062                                 dz_config->zoom_region.origin.y = 0;
3063                         else
3064                                 dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y - h_offset;
3065                         w_offset = 0;
3066                 } else {
3067                         w_offset = asd->sensor_array_res.width
3068                                    - asd->sensor_array_res.height
3069                                    * out_res.width / out_res.height;
3070                         w_offset = w_offset / 2;
3071                         if (dz_config->zoom_region.origin.x < w_offset)
3072                                 dz_config->zoom_region.origin.x = 0;
3073                         else
3074                                 dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x - w_offset;
3075                         h_offset = 0;
3076                 }
3077                 dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3078                                                   * eff_res.width
3079                                                   / (asd->sensor_array_res.width - 2 * w_offset);
3080                 dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3081                                                   * eff_res.height
3082                                                   / (asd->sensor_array_res.height - 2 * h_offset);
3083                 dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3084                                                   * eff_res.width
3085                                                   / (asd->sensor_array_res.width - 2 * w_offset);
3086                 dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3087                                                   * eff_res.height
3088                                                   / (asd->sensor_array_res.height - 2 * h_offset);
3089         }
3090
3091         if (out_res.width * dz_config->zoom_region.resolution.height
3092             > dz_config->zoom_region.resolution.width * out_res.height) {
3093                 dz_config->zoom_region.resolution.height =
3094                     dz_config->zoom_region.resolution.width
3095                     * out_res.height / out_res.width;
3096         } else {
3097                 dz_config->zoom_region.resolution.width =
3098                     dz_config->zoom_region.resolution.height
3099                     * out_res.width / out_res.height;
3100         }
3101         dev_dbg(asd->isp->dev,
3102                 "%s crop region:(%d,%d),(%d,%d) eff_res(%d, %d) array_size(%d,%d) out_res(%d, %d)\n",
3103                 __func__, dz_config->zoom_region.origin.x,
3104                 dz_config->zoom_region.origin.y,
3105                 dz_config->zoom_region.resolution.width,
3106                 dz_config->zoom_region.resolution.height,
3107                 eff_res.width, eff_res.height,
3108                 asd->sensor_array_res.width,
3109                 asd->sensor_array_res.height,
3110                 out_res.width, out_res.height);
3111
3112         if ((dz_config->zoom_region.origin.x +
3113              dz_config->zoom_region.resolution.width
3114              > eff_res.width) ||
3115             (dz_config->zoom_region.origin.y +
3116              dz_config->zoom_region.resolution.height
3117              > eff_res.height))
3118                 return -EINVAL;
3119
3120         return 0;
3121 }
3122
3123 /*
3124  * Function to check the zoom region whether is effective
3125  */
3126 static bool atomisp_check_zoom_region(
3127     struct atomisp_sub_device *asd,
3128     struct ia_css_dz_config *dz_config)
3129 {
3130         struct atomisp_resolution  config;
3131         bool flag = false;
3132         unsigned int w, h;
3133
3134         memset(&config, 0, sizeof(struct atomisp_resolution));
3135
3136         if (dz_config->dx && dz_config->dy)
3137                 return true;
3138
3139         config.width = asd->sensor_array_res.width;
3140         config.height = asd->sensor_array_res.height;
3141         w = dz_config->zoom_region.origin.x +
3142             dz_config->zoom_region.resolution.width;
3143         h = dz_config->zoom_region.origin.y +
3144             dz_config->zoom_region.resolution.height;
3145
3146         if ((w <= config.width) && (h <= config.height) && w > 0 && h > 0)
3147                 flag = true;
3148         else
3149                 /* setting error zoom region */
3150                 dev_err(asd->isp->dev,
3151                         "%s zoom region ERROR:dz_config:(%d,%d),(%d,%d)array_res(%d, %d)\n",
3152                         __func__, dz_config->zoom_region.origin.x,
3153                         dz_config->zoom_region.origin.y,
3154                         dz_config->zoom_region.resolution.width,
3155                         dz_config->zoom_region.resolution.height,
3156                         config.width, config.height);
3157
3158         return flag;
3159 }
3160
3161 void atomisp_apply_css_parameters(
3162     struct atomisp_sub_device *asd,
3163     struct atomisp_css_params *css_param)
3164 {
3165         if (css_param->update_flag.wb_config)
3166                 asd->params.config.wb_config = &css_param->wb_config;
3167
3168         if (css_param->update_flag.ob_config)
3169                 asd->params.config.ob_config = &css_param->ob_config;
3170
3171         if (css_param->update_flag.dp_config)
3172                 asd->params.config.dp_config = &css_param->dp_config;
3173
3174         if (css_param->update_flag.nr_config)
3175                 asd->params.config.nr_config = &css_param->nr_config;
3176
3177         if (css_param->update_flag.ee_config)
3178                 asd->params.config.ee_config = &css_param->ee_config;
3179
3180         if (css_param->update_flag.tnr_config)
3181                 asd->params.config.tnr_config = &css_param->tnr_config;
3182
3183         if (css_param->update_flag.a3a_config)
3184                 asd->params.config.s3a_config = &css_param->s3a_config;
3185
3186         if (css_param->update_flag.ctc_config)
3187                 asd->params.config.ctc_config = &css_param->ctc_config;
3188
3189         if (css_param->update_flag.cnr_config)
3190                 asd->params.config.cnr_config = &css_param->cnr_config;
3191
3192         if (css_param->update_flag.ecd_config)
3193                 asd->params.config.ecd_config = &css_param->ecd_config;
3194
3195         if (css_param->update_flag.ynr_config)
3196                 asd->params.config.ynr_config = &css_param->ynr_config;
3197
3198         if (css_param->update_flag.fc_config)
3199                 asd->params.config.fc_config = &css_param->fc_config;
3200
3201         if (css_param->update_flag.macc_config)
3202                 asd->params.config.macc_config = &css_param->macc_config;
3203
3204         if (css_param->update_flag.aa_config)
3205                 asd->params.config.aa_config = &css_param->aa_config;
3206
3207         if (css_param->update_flag.anr_config)
3208                 asd->params.config.anr_config = &css_param->anr_config;
3209
3210         if (css_param->update_flag.xnr_config)
3211                 asd->params.config.xnr_config = &css_param->xnr_config;
3212
3213         if (css_param->update_flag.yuv2rgb_cc_config)
3214                 asd->params.config.yuv2rgb_cc_config = &css_param->yuv2rgb_cc_config;
3215
3216         if (css_param->update_flag.rgb2yuv_cc_config)
3217                 asd->params.config.rgb2yuv_cc_config = &css_param->rgb2yuv_cc_config;
3218
3219         if (css_param->update_flag.macc_table)
3220                 asd->params.config.macc_table = &css_param->macc_table;
3221
3222         if (css_param->update_flag.xnr_table)
3223                 asd->params.config.xnr_table = &css_param->xnr_table;
3224
3225         if (css_param->update_flag.r_gamma_table)
3226                 asd->params.config.r_gamma_table = &css_param->r_gamma_table;
3227
3228         if (css_param->update_flag.g_gamma_table)
3229                 asd->params.config.g_gamma_table = &css_param->g_gamma_table;
3230
3231         if (css_param->update_flag.b_gamma_table)
3232                 asd->params.config.b_gamma_table = &css_param->b_gamma_table;
3233
3234         if (css_param->update_flag.anr_thres)
3235                 atomisp_css_set_anr_thres(asd, &css_param->anr_thres);
3236
3237         if (css_param->update_flag.shading_table)
3238                 asd->params.config.shading_table = css_param->shading_table;
3239
3240         if (css_param->update_flag.morph_table && asd->params.gdc_cac_en)
3241                 asd->params.config.morph_table = css_param->morph_table;
3242
3243         if (css_param->update_flag.dvs2_coefs) {
3244                 struct ia_css_dvs_grid_info *dvs_grid_info =
3245                     atomisp_css_get_dvs_grid_info(
3246                         &asd->params.curr_grid_info);
3247
3248                 if (dvs_grid_info && dvs_grid_info->enable)
3249                         atomisp_css_set_dvs2_coefs(asd, css_param->dvs2_coeff);
3250         }
3251
3252         if (css_param->update_flag.dvs_6axis_config)
3253                 atomisp_css_set_dvs_6axis(asd, css_param->dvs_6axis);
3254
3255         atomisp_css_set_isp_config_id(asd, css_param->isp_config_id);
3256         /*
3257          * These configurations are on used by ISP1.x, not for ISP2.x,
3258          * so do not handle them. see comments of ia_css_isp_config.
3259          * 1 cc_config
3260          * 2 ce_config
3261          * 3 de_config
3262          * 4 gc_config
3263          * 5 gamma_table
3264          * 6 ctc_table
3265          * 7 dvs_coefs
3266          */
3267 }
3268
3269 static unsigned int long copy_from_compatible(void *to, const void *from,
3270         unsigned long n, bool from_user)
3271 {
3272         if (from_user)
3273                 return copy_from_user(to, (void __user *)from, n);
3274         else
3275                 memcpy(to, from, n);
3276         return 0;
3277 }
3278
3279 int atomisp_cp_general_isp_parameters(struct atomisp_sub_device *asd,
3280                                       struct atomisp_parameters *arg,
3281                                       struct atomisp_css_params *css_param,
3282                                       bool from_user)
3283 {
3284         struct atomisp_parameters *cur_config = &css_param->update_flag;
3285
3286         if (!arg || !asd || !css_param)
3287                 return -EINVAL;
3288
3289         if (arg->wb_config && (from_user || !cur_config->wb_config)) {
3290                 if (copy_from_compatible(&css_param->wb_config, arg->wb_config,
3291                                          sizeof(struct ia_css_wb_config),
3292                                          from_user))
3293                         return -EFAULT;
3294                 css_param->update_flag.wb_config =
3295                     (struct atomisp_wb_config *)&css_param->wb_config;
3296         }
3297
3298         if (arg->ob_config && (from_user || !cur_config->ob_config)) {
3299                 if (copy_from_compatible(&css_param->ob_config, arg->ob_config,
3300                                          sizeof(struct ia_css_ob_config),
3301                                          from_user))
3302                         return -EFAULT;
3303                 css_param->update_flag.ob_config =
3304                     (struct atomisp_ob_config *)&css_param->ob_config;
3305         }
3306
3307         if (arg->dp_config && (from_user || !cur_config->dp_config)) {
3308                 if (copy_from_compatible(&css_param->dp_config, arg->dp_config,
3309                                          sizeof(struct ia_css_dp_config),
3310                                          from_user))
3311                         return -EFAULT;
3312                 css_param->update_flag.dp_config =
3313                     (struct atomisp_dp_config *)&css_param->dp_config;
3314         }
3315
3316         if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
3317                 if (arg->dz_config && (from_user || !cur_config->dz_config)) {
3318                         if (copy_from_compatible(&css_param->dz_config,
3319                                                  arg->dz_config,
3320                                                  sizeof(struct ia_css_dz_config),
3321                                                  from_user))
3322                                 return -EFAULT;
3323                         if (!atomisp_check_zoom_region(asd,
3324                                                        &css_param->dz_config)) {
3325                                 dev_err(asd->isp->dev, "crop region error!");
3326                                 return -EINVAL;
3327                         }
3328                         css_param->update_flag.dz_config =
3329                             (struct atomisp_dz_config *)
3330                             &css_param->dz_config;
3331                 }
3332         }
3333
3334         if (arg->nr_config && (from_user || !cur_config->nr_config)) {
3335                 if (copy_from_compatible(&css_param->nr_config, arg->nr_config,
3336                                          sizeof(struct ia_css_nr_config),
3337                                          from_user))
3338                         return -EFAULT;
3339                 css_param->update_flag.nr_config =
3340                     (struct atomisp_nr_config *)&css_param->nr_config;
3341         }
3342
3343         if (arg->ee_config && (from_user || !cur_config->ee_config)) {
3344                 if (copy_from_compatible(&css_param->ee_config, arg->ee_config,
3345                                          sizeof(struct ia_css_ee_config),
3346                                          from_user))
3347                         return -EFAULT;
3348                 css_param->update_flag.ee_config =
3349                     (struct atomisp_ee_config *)&css_param->ee_config;
3350         }
3351
3352         if (arg->tnr_config && (from_user || !cur_config->tnr_config)) {
3353                 if (copy_from_compatible(&css_param->tnr_config,
3354                                          arg->tnr_config,
3355                                          sizeof(struct ia_css_tnr_config),
3356                                          from_user))
3357                         return -EFAULT;
3358                 css_param->update_flag.tnr_config =
3359                     (struct atomisp_tnr_config *)
3360                     &css_param->tnr_config;
3361         }
3362
3363         if (arg->a3a_config && (from_user || !cur_config->a3a_config)) {
3364                 if (copy_from_compatible(&css_param->s3a_config,
3365                                          arg->a3a_config,
3366                                          sizeof(struct ia_css_3a_config),
3367                                          from_user))
3368                         return -EFAULT;
3369                 css_param->update_flag.a3a_config =
3370                     (struct atomisp_3a_config *)&css_param->s3a_config;
3371         }
3372
3373         if (arg->ctc_config && (from_user || !cur_config->ctc_config)) {
3374                 if (copy_from_compatible(&css_param->ctc_config,
3375                                          arg->ctc_config,
3376                                          sizeof(struct ia_css_ctc_config),
3377                                          from_user))
3378                         return -EFAULT;
3379                 css_param->update_flag.ctc_config =
3380                     (struct atomisp_ctc_config *)
3381                     &css_param->ctc_config;
3382         }
3383
3384         if (arg->cnr_config && (from_user || !cur_config->cnr_config)) {
3385                 if (copy_from_compatible(&css_param->cnr_config,
3386                                          arg->cnr_config,
3387                                          sizeof(struct ia_css_cnr_config),
3388                                          from_user))
3389                         return -EFAULT;
3390                 css_param->update_flag.cnr_config =
3391                     (struct atomisp_cnr_config *)
3392                     &css_param->cnr_config;
3393         }
3394
3395         if (arg->ecd_config && (from_user || !cur_config->ecd_config)) {
3396                 if (copy_from_compatible(&css_param->ecd_config,
3397                                          arg->ecd_config,
3398                                          sizeof(struct ia_css_ecd_config),
3399                                          from_user))
3400                         return -EFAULT;
3401                 css_param->update_flag.ecd_config =
3402                     (struct atomisp_ecd_config *)
3403                     &css_param->ecd_config;
3404         }
3405
3406         if (arg->ynr_config && (from_user || !cur_config->ynr_config)) {
3407                 if (copy_from_compatible(&css_param->ynr_config,
3408                                          arg->ynr_config,
3409                                          sizeof(struct ia_css_ynr_config),
3410                                          from_user))
3411                         return -EFAULT;
3412                 css_param->update_flag.ynr_config =
3413                     (struct atomisp_ynr_config *)
3414                     &css_param->ynr_config;
3415         }
3416
3417         if (arg->fc_config && (from_user || !cur_config->fc_config)) {
3418                 if (copy_from_compatible(&css_param->fc_config,
3419                                          arg->fc_config,
3420                                          sizeof(struct ia_css_fc_config),
3421                                          from_user))
3422                         return -EFAULT;
3423                 css_param->update_flag.fc_config =
3424                     (struct atomisp_fc_config *)&css_param->fc_config;
3425         }
3426
3427         if (arg->macc_config && (from_user || !cur_config->macc_config)) {
3428                 if (copy_from_compatible(&css_param->macc_config,
3429                                          arg->macc_config,
3430                                          sizeof(struct ia_css_macc_config),
3431                                          from_user))
3432                         return -EFAULT;
3433                 css_param->update_flag.macc_config =
3434                     (struct atomisp_macc_config *)
3435                     &css_param->macc_config;
3436         }
3437
3438         if (arg->aa_config && (from_user || !cur_config->aa_config)) {
3439                 if (copy_from_compatible(&css_param->aa_config, arg->aa_config,
3440                                          sizeof(struct ia_css_aa_config),
3441                                          from_user))
3442                         return -EFAULT;
3443                 css_param->update_flag.aa_config =
3444                     (struct atomisp_aa_config *)&css_param->aa_config;
3445         }
3446
3447         if (arg->anr_config && (from_user || !cur_config->anr_config)) {
3448                 if (copy_from_compatible(&css_param->anr_config,
3449                                          arg->anr_config,
3450                                          sizeof(struct ia_css_anr_config),
3451                                          from_user))
3452                         return -EFAULT;
3453                 css_param->update_flag.anr_config =
3454                     (struct atomisp_anr_config *)
3455                     &css_param->anr_config;
3456         }
3457
3458         if (arg->xnr_config && (from_user || !cur_config->xnr_config)) {
3459                 if (copy_from_compatible(&css_param->xnr_config,
3460                                          arg->xnr_config,
3461                                          sizeof(struct ia_css_xnr_config),
3462                                          from_user))
3463                         return -EFAULT;
3464                 css_param->update_flag.xnr_config =
3465                     (struct atomisp_xnr_config *)
3466                     &css_param->xnr_config;
3467         }
3468
3469         if (arg->yuv2rgb_cc_config &&
3470             (from_user || !cur_config->yuv2rgb_cc_config)) {
3471                 if (copy_from_compatible(&css_param->yuv2rgb_cc_config,
3472                                          arg->yuv2rgb_cc_config,
3473                                          sizeof(struct ia_css_cc_config),
3474                                          from_user))
3475                         return -EFAULT;
3476                 css_param->update_flag.yuv2rgb_cc_config =
3477                     (struct atomisp_cc_config *)
3478                     &css_param->yuv2rgb_cc_config;
3479         }
3480
3481         if (arg->rgb2yuv_cc_config &&
3482             (from_user || !cur_config->rgb2yuv_cc_config)) {
3483                 if (copy_from_compatible(&css_param->rgb2yuv_cc_config,
3484                                          arg->rgb2yuv_cc_config,
3485                                          sizeof(struct ia_css_cc_config),
3486                                          from_user))
3487                         return -EFAULT;
3488                 css_param->update_flag.rgb2yuv_cc_config =
3489                     (struct atomisp_cc_config *)
3490                     &css_param->rgb2yuv_cc_config;
3491         }
3492
3493         if (arg->macc_table && (from_user || !cur_config->macc_table)) {
3494                 if (copy_from_compatible(&css_param->macc_table,
3495                                          arg->macc_table,
3496                                          sizeof(struct ia_css_macc_table),
3497                                          from_user))
3498                         return -EFAULT;
3499                 css_param->update_flag.macc_table =
3500                     (struct atomisp_macc_table *)
3501                     &css_param->macc_table;
3502         }
3503
3504         if (arg->xnr_table && (from_user || !cur_config->xnr_table)) {
3505                 if (copy_from_compatible(&css_param->xnr_table,
3506                                          arg->xnr_table,
3507                                          sizeof(struct ia_css_xnr_table),
3508                                          from_user))
3509                         return -EFAULT;
3510                 css_param->update_flag.xnr_table =
3511                     (struct atomisp_xnr_table *)&css_param->xnr_table;
3512         }
3513
3514         if (arg->r_gamma_table && (from_user || !cur_config->r_gamma_table)) {
3515                 if (copy_from_compatible(&css_param->r_gamma_table,
3516                                          arg->r_gamma_table,
3517                                          sizeof(struct ia_css_rgb_gamma_table),
3518                                          from_user))
3519                         return -EFAULT;
3520                 css_param->update_flag.r_gamma_table =
3521                     (struct atomisp_rgb_gamma_table *)
3522                     &css_param->r_gamma_table;
3523         }
3524
3525         if (arg->g_gamma_table && (from_user || !cur_config->g_gamma_table)) {
3526                 if (copy_from_compatible(&css_param->g_gamma_table,
3527                                          arg->g_gamma_table,
3528                                          sizeof(struct ia_css_rgb_gamma_table),
3529                                          from_user))
3530                         return -EFAULT;
3531                 css_param->update_flag.g_gamma_table =
3532                     (struct atomisp_rgb_gamma_table *)
3533                     &css_param->g_gamma_table;
3534         }
3535
3536         if (arg->b_gamma_table && (from_user || !cur_config->b_gamma_table)) {
3537                 if (copy_from_compatible(&css_param->b_gamma_table,
3538                                          arg->b_gamma_table,
3539                                          sizeof(struct ia_css_rgb_gamma_table),
3540                                          from_user))
3541                         return -EFAULT;
3542                 css_param->update_flag.b_gamma_table =
3543                     (struct atomisp_rgb_gamma_table *)
3544                     &css_param->b_gamma_table;
3545         }
3546
3547         if (arg->anr_thres && (from_user || !cur_config->anr_thres)) {
3548                 if (copy_from_compatible(&css_param->anr_thres, arg->anr_thres,
3549                                          sizeof(struct ia_css_anr_thres),
3550                                          from_user))
3551                         return -EFAULT;
3552                 css_param->update_flag.anr_thres =
3553                     (struct atomisp_anr_thres *)&css_param->anr_thres;
3554         }
3555
3556         if (from_user)
3557                 css_param->isp_config_id = arg->isp_config_id;
3558         /*
3559          * These configurations are on used by ISP1.x, not for ISP2.x,
3560          * so do not handle them. see comments of ia_css_isp_config.
3561          * 1 cc_config
3562          * 2 ce_config
3563          * 3 de_config
3564          * 4 gc_config
3565          * 5 gamma_table
3566          * 6 ctc_table
3567          * 7 dvs_coefs
3568          */
3569         return 0;
3570 }
3571
3572 int atomisp_cp_lsc_table(struct atomisp_sub_device *asd,
3573                          struct atomisp_shading_table *source_st,
3574                          struct atomisp_css_params *css_param,
3575                          bool from_user)
3576 {
3577         unsigned int i;
3578         unsigned int len_table;
3579         struct ia_css_shading_table *shading_table;
3580         struct ia_css_shading_table *old_table;
3581         struct atomisp_shading_table *st, dest_st;
3582
3583         if (!source_st)
3584                 return 0;
3585
3586         if (!css_param)
3587                 return -EINVAL;
3588
3589         if (!from_user && css_param->update_flag.shading_table)
3590                 return 0;
3591
3592         if (IS_ISP2401) {
3593                 if (copy_from_compatible(&dest_st, source_st,
3594                                         sizeof(struct atomisp_shading_table),
3595                                         from_user)) {
3596                         dev_err(asd->isp->dev, "copy shading table failed!");
3597                         return -EFAULT;
3598                 }
3599                 st = &dest_st;
3600         } else {
3601                 st = source_st;
3602         }
3603
3604         old_table = css_param->shading_table;
3605
3606         /* user config is to disable the shading table. */
3607         if (!st->enable) {
3608                 /* Generate a minimum table with enable = 0. */
3609                 shading_table = atomisp_css_shading_table_alloc(1, 1);
3610                 if (!shading_table)
3611                         return -ENOMEM;
3612                 shading_table->enable = 0;
3613                 goto set_lsc;
3614         }
3615
3616         /* Setting a new table. Validate first - all tables must be set */
3617         for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3618                 if (!st->data[i]) {
3619                         dev_err(asd->isp->dev, "shading table validate failed");
3620                         return -EINVAL;
3621                 }
3622         }
3623
3624         /* Shading table size per color */
3625         if (!IS_ISP2401) {
3626                 if (st->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3627                     st->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3628                         dev_err(asd->isp->dev, "shading table w/h validate failed!");
3629                         return -EINVAL;
3630                 }
3631         } else {
3632                 if (st->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3633                     st->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3634                         dev_err(asd->isp->dev, "shading table w/h validate failed!");
3635                         return -EINVAL;
3636                 }
3637         }
3638
3639         shading_table = atomisp_css_shading_table_alloc(st->width, st->height);
3640         if (!shading_table)
3641                 return -ENOMEM;
3642
3643         len_table = st->width * st->height * ATOMISP_SC_TYPE_SIZE;
3644         for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3645                 if (copy_from_compatible(shading_table->data[i],
3646                                          st->data[i], len_table, from_user)) {
3647                         atomisp_css_shading_table_free(shading_table);
3648                         return -EFAULT;
3649                 }
3650         }
3651         shading_table->sensor_width = st->sensor_width;
3652         shading_table->sensor_height = st->sensor_height;
3653         shading_table->fraction_bits = st->fraction_bits;
3654         shading_table->enable = st->enable;
3655
3656         /* No need to update shading table if it is the same */
3657         if (old_table &&
3658             old_table->sensor_width == shading_table->sensor_width &&
3659             old_table->sensor_height == shading_table->sensor_height &&
3660             old_table->width == shading_table->width &&
3661             old_table->height == shading_table->height &&
3662             old_table->fraction_bits == shading_table->fraction_bits &&
3663             old_table->enable == shading_table->enable) {
3664                 bool data_is_same = true;
3665
3666                 for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3667                         if (memcmp(shading_table->data[i], old_table->data[i],
3668                                    len_table) != 0) {
3669                                 data_is_same = false;
3670                                 break;
3671                         }
3672                 }
3673
3674                 if (data_is_same) {
3675                         atomisp_css_shading_table_free(shading_table);
3676                         return 0;
3677                 }
3678         }
3679
3680 set_lsc:
3681         /* set LSC to CSS */
3682         css_param->shading_table = shading_table;
3683         css_param->update_flag.shading_table = (struct atomisp_shading_table *)shading_table;
3684         asd->params.sc_en = shading_table;
3685
3686         if (old_table)
3687                 atomisp_css_shading_table_free(old_table);
3688
3689         return 0;
3690 }
3691
3692 int atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device *asd,
3693                               struct ia_css_dvs2_coefficients *coefs,
3694                               struct atomisp_css_params *css_param,
3695                               bool from_user)
3696 {
3697         struct ia_css_dvs_grid_info *cur =
3698             atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3699         int dvs_hor_coef_bytes, dvs_ver_coef_bytes;
3700         struct ia_css_dvs2_coefficients dvs2_coefs;
3701
3702         if (!coefs || !cur)
3703                 return 0;
3704
3705         if (!from_user && css_param->update_flag.dvs2_coefs)
3706                 return 0;
3707
3708         if (!IS_ISP2401) {
3709                 if (sizeof(*cur) != sizeof(coefs->grid) ||
3710                     memcmp(&coefs->grid, cur, sizeof(coefs->grid))) {
3711                         dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3712                         /* If the grid info in the argument differs from the current
3713                         grid info, we tell the caller to reset the grid size and
3714                         try again. */
3715                         return -EAGAIN;
3716                 }
3717
3718                 if (!coefs->hor_coefs.odd_real ||
3719                     !coefs->hor_coefs.odd_imag ||
3720                     !coefs->hor_coefs.even_real ||
3721                     !coefs->hor_coefs.even_imag ||
3722                     !coefs->ver_coefs.odd_real ||
3723                     !coefs->ver_coefs.odd_imag ||
3724                     !coefs->ver_coefs.even_real ||
3725                     !coefs->ver_coefs.even_imag)
3726                         return -EINVAL;
3727
3728                 if (!css_param->dvs2_coeff) {
3729                         /* DIS coefficients. */
3730                         css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3731                         if (!css_param->dvs2_coeff)
3732                                 return -ENOMEM;
3733                 }
3734
3735                 dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3736                 dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3737                 if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3738                                         coefs->hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3739                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3740                                         coefs->hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3741                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3742                                         coefs->hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3743                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3744                                         coefs->hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3745                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3746                                         coefs->ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3747                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3748                                         coefs->ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3749                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3750                                         coefs->ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3751                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3752                                         coefs->ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3753                         ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3754                         css_param->dvs2_coeff = NULL;
3755                         return -EFAULT;
3756                 }
3757         } else {
3758                 if (copy_from_compatible(&dvs2_coefs, coefs,
3759                                         sizeof(struct ia_css_dvs2_coefficients),
3760                                         from_user)) {
3761                         dev_err(asd->isp->dev, "copy dvs2 coef failed");
3762                         return -EFAULT;
3763                 }
3764
3765                 if (sizeof(*cur) != sizeof(dvs2_coefs.grid) ||
3766                     memcmp(&dvs2_coefs.grid, cur, sizeof(dvs2_coefs.grid))) {
3767                         dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3768                         /* If the grid info in the argument differs from the current
3769                         grid info, we tell the caller to reset the grid size and
3770                         try again. */
3771                         return -EAGAIN;
3772                 }
3773
3774                 if (!dvs2_coefs.hor_coefs.odd_real ||
3775                     !dvs2_coefs.hor_coefs.odd_imag ||
3776                     !dvs2_coefs.hor_coefs.even_real ||
3777                     !dvs2_coefs.hor_coefs.even_imag ||
3778                     !dvs2_coefs.ver_coefs.odd_real ||
3779                     !dvs2_coefs.ver_coefs.odd_imag ||
3780                     !dvs2_coefs.ver_coefs.even_real ||
3781                     !dvs2_coefs.ver_coefs.even_imag)
3782                         return -EINVAL;
3783
3784                 if (!css_param->dvs2_coeff) {
3785                         /* DIS coefficients. */
3786                         css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3787                         if (!css_param->dvs2_coeff)
3788                                 return -ENOMEM;
3789                 }
3790
3791                 dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3792                 dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3793                 if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3794                                         dvs2_coefs.hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3795                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3796                                         dvs2_coefs.hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3797                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3798                                         dvs2_coefs.hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3799                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3800                                         dvs2_coefs.hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3801                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3802                                         dvs2_coefs.ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3803                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3804                                         dvs2_coefs.ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3805                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3806                                         dvs2_coefs.ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3807                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3808                                         dvs2_coefs.ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3809                         ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3810                         css_param->dvs2_coeff = NULL;
3811                         return -EFAULT;
3812                 }
3813         }
3814
3815         css_param->update_flag.dvs2_coefs =
3816             (struct atomisp_dis_coefficients *)css_param->dvs2_coeff;
3817         return 0;
3818 }
3819
3820 int atomisp_cp_dvs_6axis_config(struct atomisp_sub_device *asd,
3821                                 struct atomisp_dvs_6axis_config *source_6axis_config,
3822                                 struct atomisp_css_params *css_param,
3823                                 bool from_user)
3824 {
3825         struct ia_css_dvs_6axis_config *dvs_6axis_config;
3826         struct ia_css_dvs_6axis_config *old_6axis_config;
3827         struct ia_css_stream *stream =
3828                     asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
3829         struct ia_css_dvs_grid_info *dvs_grid_info =
3830             atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3831         int ret = -EFAULT;
3832
3833         if (!stream) {
3834                 dev_err(asd->isp->dev, "%s: internal error!", __func__);
3835                 return -EINVAL;
3836         }
3837
3838         if (!source_6axis_config || !dvs_grid_info)
3839                 return 0;
3840
3841         if (!dvs_grid_info->enable)
3842                 return 0;
3843
3844         if (!from_user && css_param->update_flag.dvs_6axis_config)
3845                 return 0;
3846
3847         /* check whether need to reallocate for 6 axis config */
3848         old_6axis_config = css_param->dvs_6axis;
3849         dvs_6axis_config = old_6axis_config;
3850
3851         if (IS_ISP2401) {
3852                 struct ia_css_dvs_6axis_config t_6axis_config;
3853
3854                 if (copy_from_compatible(&t_6axis_config, source_6axis_config,
3855                                         sizeof(struct atomisp_dvs_6axis_config),
3856                                         from_user)) {
3857                         dev_err(asd->isp->dev, "copy morph table failed!");
3858                         return -EFAULT;
3859                 }
3860
3861                 if (old_6axis_config &&
3862                     (old_6axis_config->width_y != t_6axis_config.width_y ||
3863                     old_6axis_config->height_y != t_6axis_config.height_y ||
3864                     old_6axis_config->width_uv != t_6axis_config.width_uv ||
3865                     old_6axis_config->height_uv != t_6axis_config.height_uv)) {
3866                         ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3867                         css_param->dvs_6axis = NULL;
3868
3869                         dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3870                         if (!dvs_6axis_config)
3871                                 return -ENOMEM;
3872                 } else if (!dvs_6axis_config) {
3873                         dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3874                         if (!dvs_6axis_config)
3875                                 return -ENOMEM;
3876                 }
3877
3878                 dvs_6axis_config->exp_id = t_6axis_config.exp_id;
3879
3880                 if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3881                                         t_6axis_config.xcoords_y,
3882                                         t_6axis_config.width_y *
3883                                         t_6axis_config.height_y *
3884                                         sizeof(*dvs_6axis_config->xcoords_y),
3885                                         from_user))
3886                         goto error;
3887                 if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3888                                         t_6axis_config.ycoords_y,
3889                                         t_6axis_config.width_y *
3890                                         t_6axis_config.height_y *
3891                                         sizeof(*dvs_6axis_config->ycoords_y),
3892                                         from_user))
3893                         goto error;
3894                 if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3895                                         t_6axis_config.xcoords_uv,
3896                                         t_6axis_config.width_uv *
3897                                         t_6axis_config.height_uv *
3898                                         sizeof(*dvs_6axis_config->xcoords_uv),
3899                                         from_user))
3900                         goto error;
3901                 if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3902                                         t_6axis_config.ycoords_uv,
3903                                         t_6axis_config.width_uv *
3904                                         t_6axis_config.height_uv *
3905                                         sizeof(*dvs_6axis_config->ycoords_uv),
3906                                         from_user))
3907                         goto error;
3908         } else {
3909                 if (old_6axis_config &&
3910                     (old_6axis_config->width_y != source_6axis_config->width_y ||
3911                     old_6axis_config->height_y != source_6axis_config->height_y ||
3912                     old_6axis_config->width_uv != source_6axis_config->width_uv ||
3913                     old_6axis_config->height_uv != source_6axis_config->height_uv)) {
3914                         ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3915                         css_param->dvs_6axis = NULL;
3916
3917                         dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3918                         if (!dvs_6axis_config)
3919                                 return -ENOMEM;
3920                 } else if (!dvs_6axis_config) {
3921                         dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3922                         if (!dvs_6axis_config)
3923                                 return -ENOMEM;
3924                 }
3925
3926                 dvs_6axis_config->exp_id = source_6axis_config->exp_id;
3927
3928                 if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3929                                         source_6axis_config->xcoords_y,
3930                                         source_6axis_config->width_y *
3931                                         source_6axis_config->height_y *
3932                                         sizeof(*source_6axis_config->xcoords_y),
3933                                         from_user))
3934                         goto error;
3935                 if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3936                                         source_6axis_config->ycoords_y,
3937                                         source_6axis_config->width_y *
3938                                         source_6axis_config->height_y *
3939                                         sizeof(*source_6axis_config->ycoords_y),
3940                                         from_user))
3941                         goto error;
3942                 if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3943                                         source_6axis_config->xcoords_uv,
3944                                         source_6axis_config->width_uv *
3945                                         source_6axis_config->height_uv *
3946                                         sizeof(*source_6axis_config->xcoords_uv),
3947                                         from_user))
3948                         goto error;
3949                 if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3950                                         source_6axis_config->ycoords_uv,
3951                                         source_6axis_config->width_uv *
3952                                         source_6axis_config->height_uv *
3953                                         sizeof(*source_6axis_config->ycoords_uv),
3954                                         from_user))
3955                         goto error;
3956         }
3957         css_param->dvs_6axis = dvs_6axis_config;
3958         css_param->update_flag.dvs_6axis_config =
3959             (struct atomisp_dvs_6axis_config *)dvs_6axis_config;
3960         return 0;
3961
3962 error:
3963         if (dvs_6axis_config)
3964                 ia_css_dvs2_6axis_config_free(dvs_6axis_config);
3965         return ret;
3966 }
3967
3968 int atomisp_cp_morph_table(struct atomisp_sub_device *asd,
3969                            struct atomisp_morph_table *source_morph_table,
3970                            struct atomisp_css_params *css_param,
3971                            bool from_user)
3972 {
3973         int ret = -EFAULT;
3974         unsigned int i;
3975         struct ia_css_morph_table *morph_table;
3976         struct ia_css_morph_table *old_morph_table;
3977
3978         if (!source_morph_table)
3979                 return 0;
3980
3981         if (!from_user && css_param->update_flag.morph_table)
3982                 return 0;
3983
3984         old_morph_table = css_param->morph_table;
3985
3986         if (IS_ISP2401) {
3987                 struct ia_css_morph_table mtbl;
3988
3989                 if (copy_from_compatible(&mtbl, source_morph_table,
3990                                 sizeof(struct atomisp_morph_table),
3991                                 from_user)) {
3992                         dev_err(asd->isp->dev, "copy morph table failed!");
3993                         return -EFAULT;
3994                 }
3995
3996                 morph_table = atomisp_css_morph_table_allocate(
3997                                 mtbl.width,
3998                                 mtbl.height);
3999                 if (!morph_table)
4000                         return -ENOMEM;
4001
4002                 for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4003                         if (copy_from_compatible(morph_table->coordinates_x[i],
4004                                                 (__force void *)source_morph_table->coordinates_x[i],
4005                                                 mtbl.height * mtbl.width *
4006                                                 sizeof(*morph_table->coordinates_x[i]),
4007                                                 from_user))
4008                                 goto error;
4009
4010                         if (copy_from_compatible(morph_table->coordinates_y[i],
4011                                                 (__force void *)source_morph_table->coordinates_y[i],
4012                                                 mtbl.height * mtbl.width *
4013                                                 sizeof(*morph_table->coordinates_y[i]),
4014                                                 from_user))
4015                                 goto error;
4016                 }
4017         } else {
4018                 morph_table = atomisp_css_morph_table_allocate(
4019                                 source_morph_table->width,
4020                                 source_morph_table->height);
4021                 if (!morph_table)
4022                         return -ENOMEM;
4023
4024                 for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4025                         if (copy_from_compatible(morph_table->coordinates_x[i],
4026                                                 (__force void *)source_morph_table->coordinates_x[i],
4027                                                 source_morph_table->height * source_morph_table->width *
4028                                                 sizeof(*source_morph_table->coordinates_x[i]),
4029                                                 from_user))
4030                                 goto error;
4031
4032                         if (copy_from_compatible(morph_table->coordinates_y[i],
4033                                                 (__force void *)source_morph_table->coordinates_y[i],
4034                                                 source_morph_table->height * source_morph_table->width *
4035                                                 sizeof(*source_morph_table->coordinates_y[i]),
4036                                                 from_user))
4037                                 goto error;
4038                 }
4039         }
4040
4041         css_param->morph_table = morph_table;
4042         if (old_morph_table)
4043                 atomisp_css_morph_table_free(old_morph_table);
4044         css_param->update_flag.morph_table =
4045             (struct atomisp_morph_table *)morph_table;
4046         return 0;
4047
4048 error:
4049         if (morph_table)
4050                 atomisp_css_morph_table_free(morph_table);
4051         return ret;
4052 }
4053
4054 int atomisp_makeup_css_parameters(struct atomisp_sub_device *asd,
4055                                   struct atomisp_parameters *arg,
4056                                   struct atomisp_css_params *css_param)
4057 {
4058         int ret;
4059
4060         ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, false);
4061         if (ret)
4062                 return ret;
4063         ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, false);
4064         if (ret)
4065                 return ret;
4066         ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, false);
4067         if (ret)
4068                 return ret;
4069         ret = atomisp_css_cp_dvs2_coefs(asd,
4070                                         (struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4071                                         css_param, false);
4072         if (ret)
4073                 return ret;
4074         ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4075                                           css_param, false);
4076         return ret;
4077 }
4078
4079 void atomisp_free_css_parameters(struct atomisp_css_params *css_param)
4080 {
4081         if (css_param->dvs_6axis) {
4082                 ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
4083                 css_param->dvs_6axis = NULL;
4084         }
4085         if (css_param->dvs2_coeff) {
4086                 ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
4087                 css_param->dvs2_coeff = NULL;
4088         }
4089         if (css_param->shading_table) {
4090                 ia_css_shading_table_free(css_param->shading_table);
4091                 css_param->shading_table = NULL;
4092         }
4093         if (css_param->morph_table) {
4094                 ia_css_morph_table_free(css_param->morph_table);
4095                 css_param->morph_table = NULL;
4096         }
4097 }
4098
4099 /*
4100  * Check parameter queue list and buffer queue list to find out if matched items
4101  * and then set parameter to CSS and enqueue buffer to CSS.
4102  * Of course, if the buffer in buffer waiting list is not bound to a per-frame
4103  * parameter, it will be enqueued into CSS as long as the per-frame setting
4104  * buffers before it get enqueued.
4105  */
4106 void atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe *pipe)
4107 {
4108         struct atomisp_sub_device *asd = pipe->asd;
4109         struct videobuf_buffer *vb = NULL, *vb_tmp;
4110         struct atomisp_css_params_with_list *param = NULL, *param_tmp;
4111         struct videobuf_vmalloc_memory *vm_mem = NULL;
4112         unsigned long irqflags;
4113         bool need_to_enqueue_buffer = false;
4114
4115         if (atomisp_is_vf_pipe(pipe))
4116                 return;
4117
4118         /*
4119          * CSS/FW requires set parameter and enqueue buffer happen after ISP
4120          * is streamon.
4121          */
4122         if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
4123                 return;
4124
4125         if (list_empty(&pipe->per_frame_params) ||
4126             list_empty(&pipe->buffers_waiting_for_param))
4127                 return;
4128
4129         list_for_each_entry_safe(vb, vb_tmp,
4130                                  &pipe->buffers_waiting_for_param, queue) {
4131                 if (pipe->frame_request_config_id[vb->i]) {
4132                         list_for_each_entry_safe(param, param_tmp,
4133                                                  &pipe->per_frame_params, list) {
4134                                 if (pipe->frame_request_config_id[vb->i] !=
4135                                     param->params.isp_config_id)
4136                                         continue;
4137
4138                                 list_del(&param->list);
4139                                 list_del(&vb->queue);
4140                                 /*
4141                                  * clear the request config id as the buffer
4142                                  * will be handled and enqueued into CSS soon
4143                                  */
4144                                 pipe->frame_request_config_id[vb->i] = 0;
4145                                 pipe->frame_params[vb->i] = param;
4146                                 vm_mem = vb->priv;
4147                                 BUG_ON(!vm_mem);
4148                                 break;
4149                         }
4150
4151                         if (vm_mem) {
4152                                 spin_lock_irqsave(&pipe->irq_lock, irqflags);
4153                                 list_add_tail(&vb->queue, &pipe->activeq);
4154                                 spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4155                                 vm_mem = NULL;
4156                                 need_to_enqueue_buffer = true;
4157                         } else {
4158                                 /* The is the end, stop further loop */
4159                                 break;
4160                         }
4161                 } else {
4162                         list_del(&vb->queue);
4163                         pipe->frame_params[vb->i] = NULL;
4164                         spin_lock_irqsave(&pipe->irq_lock, irqflags);
4165                         list_add_tail(&vb->queue, &pipe->activeq);
4166                         spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4167                         need_to_enqueue_buffer = true;
4168                 }
4169         }
4170
4171         if (!need_to_enqueue_buffer)
4172                 return;
4173
4174         atomisp_qbuffers_to_css(asd);
4175
4176         if (!IS_ISP2401) {
4177                 if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
4178                         atomisp_wdt_start(asd);
4179         } else {
4180                 if (atomisp_buffers_queued_pipe(pipe)) {
4181                         if (!atomisp_is_wdt_running(pipe))
4182                                 atomisp_wdt_start_pipe(pipe);
4183                         else
4184                                 atomisp_wdt_refresh_pipe(pipe,
4185                                                         ATOMISP_WDT_KEEP_CURRENT_DELAY);
4186                 }
4187         }
4188 }
4189
4190 /*
4191 * Function to configure ISP parameters
4192 */
4193 int atomisp_set_parameters(struct video_device *vdev,
4194                            struct atomisp_parameters *arg)
4195 {
4196         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4197         struct atomisp_sub_device *asd = pipe->asd;
4198         struct atomisp_css_params_with_list *param = NULL;
4199         struct atomisp_css_params *css_param = &asd->params.css_param;
4200         int ret;
4201
4202         if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream) {
4203                 dev_err(asd->isp->dev, "%s: internal error!\n", __func__);
4204                 return -EINVAL;
4205         }
4206
4207         dev_dbg(asd->isp->dev,
4208                 "%s: set parameter(per_frame_setting %d) for asd%d with isp_config_id %d of %s\n",
4209                 __func__, arg->per_frame_setting, asd->index,
4210                 arg->isp_config_id, vdev->name);
4211
4212         if (IS_ISP2401) {
4213                 if (atomisp_is_vf_pipe(pipe) && arg->per_frame_setting) {
4214                         dev_err(asd->isp->dev, "%s: vf pipe not support per_frame_setting",
4215                                 __func__);
4216                         return -EINVAL;
4217                 }
4218         }
4219
4220         if (arg->per_frame_setting && !atomisp_is_vf_pipe(pipe)) {
4221                 /*
4222                  * Per-frame setting enabled, we allocate a new parameter
4223                  * buffer to cache the parameters and only when frame buffers
4224                  * are ready, the parameters will be set to CSS.
4225                  * per-frame setting only works for the main output frame.
4226                  */
4227                 param = kvzalloc(sizeof(*param), GFP_KERNEL);
4228                 if (!param) {
4229                         dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
4230                                 __func__);
4231                         return -ENOMEM;
4232                 }
4233                 css_param = &param->params;
4234         }
4235
4236         ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, true);
4237         if (ret)
4238                 goto apply_parameter_failed;
4239
4240         ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, true);
4241         if (ret)
4242                 goto apply_parameter_failed;
4243
4244         ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, true);
4245         if (ret)
4246                 goto apply_parameter_failed;
4247
4248         ret = atomisp_css_cp_dvs2_coefs(asd,
4249                                         (struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4250                                         css_param, true);
4251         if (ret)
4252                 goto apply_parameter_failed;
4253
4254         ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4255                                           css_param, true);
4256         if (ret)
4257                 goto apply_parameter_failed;
4258
4259         if (!(arg->per_frame_setting && !atomisp_is_vf_pipe(pipe))) {
4260                 /* indicate to CSS that we have parameters to be updated */
4261                 asd->params.css_update_params_needed = true;
4262         } else {
4263                 list_add_tail(&param->list, &pipe->per_frame_params);
4264                 atomisp_handle_parameter_and_buffer(pipe);
4265         }
4266
4267         return 0;
4268
4269 apply_parameter_failed:
4270         if (css_param)
4271                 atomisp_free_css_parameters(css_param);
4272         if (param)
4273                 kvfree(param);
4274
4275         return ret;
4276 }
4277
4278 /*
4279  * Function to set/get isp parameters to isp
4280  */
4281 int atomisp_param(struct atomisp_sub_device *asd, int flag,
4282                   struct atomisp_parm *config)
4283 {
4284         struct ia_css_pipe_config *vp_cfg =
4285                     &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
4286                     pipe_configs[IA_CSS_PIPE_ID_VIDEO];
4287
4288         /* Read parameter for 3A binary info */
4289         if (flag == 0) {
4290                 struct ia_css_dvs_grid_info *dvs_grid_info =
4291                     atomisp_css_get_dvs_grid_info(
4292                         &asd->params.curr_grid_info);
4293
4294                 atomisp_curr_user_grid_info(asd, &config->info);
4295
4296                 /* We always return the resolution and stride even if there is
4297                  * no valid metadata. This allows the caller to get the
4298                  * information needed to allocate user-space buffers. */
4299                 config->metadata_config.metadata_height = asd->
4300                         stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4301                         metadata_info.resolution.height;
4302                 config->metadata_config.metadata_stride = asd->
4303                         stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4304                         metadata_info.stride;
4305
4306                 /* update dvs grid info */
4307                 if (dvs_grid_info)
4308                         memcpy(&config->dvs_grid,
4309                                dvs_grid_info,
4310                                sizeof(struct ia_css_dvs_grid_info));
4311
4312                 if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
4313                         config->dvs_envelop.width = 0;
4314                         config->dvs_envelop.height = 0;
4315                         return 0;
4316                 }
4317
4318                 /* update dvs envelop info */
4319                 if (!asd->continuous_mode->val) {
4320                         config->dvs_envelop.width = vp_cfg->dvs_envelope.width;
4321                         config->dvs_envelop.height =
4322                             vp_cfg->dvs_envelope.height;
4323                 } else {
4324                         unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
4325
4326                         dvs_w = vp_cfg->bayer_ds_out_res.width -
4327                                 vp_cfg->output_info[0].res.width;
4328                         dvs_h = vp_cfg->bayer_ds_out_res.height -
4329                                 vp_cfg->output_info[0].res.height;
4330                         dvs_w_max = rounddown(
4331                                         vp_cfg->output_info[0].res.width / 5,
4332                                         ATOM_ISP_STEP_WIDTH);
4333                         dvs_h_max = rounddown(
4334                                         vp_cfg->output_info[0].res.height / 5,
4335                                         ATOM_ISP_STEP_HEIGHT);
4336
4337                         config->dvs_envelop.width = min(dvs_w, dvs_w_max);
4338                         config->dvs_envelop.height = min(dvs_h, dvs_h_max);
4339                 }
4340
4341                 return 0;
4342         }
4343
4344         memcpy(&asd->params.css_param.wb_config, &config->wb_config,
4345                sizeof(struct ia_css_wb_config));
4346         memcpy(&asd->params.css_param.ob_config, &config->ob_config,
4347                sizeof(struct ia_css_ob_config));
4348         memcpy(&asd->params.css_param.dp_config, &config->dp_config,
4349                sizeof(struct ia_css_dp_config));
4350         memcpy(&asd->params.css_param.de_config, &config->de_config,
4351                sizeof(struct ia_css_de_config));
4352         memcpy(&asd->params.css_param.dz_config, &config->dz_config,
4353                sizeof(struct ia_css_dz_config));
4354         memcpy(&asd->params.css_param.ce_config, &config->ce_config,
4355                sizeof(struct ia_css_ce_config));
4356         memcpy(&asd->params.css_param.nr_config, &config->nr_config,
4357                sizeof(struct ia_css_nr_config));
4358         memcpy(&asd->params.css_param.ee_config, &config->ee_config,
4359                sizeof(struct ia_css_ee_config));
4360         memcpy(&asd->params.css_param.tnr_config, &config->tnr_config,
4361                sizeof(struct ia_css_tnr_config));
4362
4363         if (asd->params.color_effect == V4L2_COLORFX_NEGATIVE) {
4364                 asd->params.css_param.cc_config.matrix[3] = -config->cc_config.matrix[3];
4365                 asd->params.css_param.cc_config.matrix[4] = -config->cc_config.matrix[4];
4366                 asd->params.css_param.cc_config.matrix[5] = -config->cc_config.matrix[5];
4367                 asd->params.css_param.cc_config.matrix[6] = -config->cc_config.matrix[6];
4368                 asd->params.css_param.cc_config.matrix[7] = -config->cc_config.matrix[7];
4369                 asd->params.css_param.cc_config.matrix[8] = -config->cc_config.matrix[8];
4370         }
4371
4372         if (asd->params.color_effect != V4L2_COLORFX_SEPIA &&
4373             asd->params.color_effect != V4L2_COLORFX_BW) {
4374                 memcpy(&asd->params.css_param.cc_config, &config->cc_config,
4375                        sizeof(struct ia_css_cc_config));
4376                 asd->params.config.cc_config = &asd->params.css_param.cc_config;
4377         }
4378
4379         asd->params.config.wb_config = &asd->params.css_param.wb_config;
4380         asd->params.config.ob_config = &asd->params.css_param.ob_config;
4381         asd->params.config.de_config = &asd->params.css_param.de_config;
4382         asd->params.config.dz_config = &asd->params.css_param.dz_config;
4383         asd->params.config.ce_config = &asd->params.css_param.ce_config;
4384         asd->params.config.dp_config = &asd->params.css_param.dp_config;
4385         asd->params.config.nr_config = &asd->params.css_param.nr_config;
4386         asd->params.config.ee_config = &asd->params.css_param.ee_config;
4387         asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
4388         asd->params.css_update_params_needed = true;
4389
4390         return 0;
4391 }
4392
4393 /*
4394  * Function to configure color effect of the image
4395  */
4396 int atomisp_color_effect(struct atomisp_sub_device *asd, int flag,
4397                          __s32 *effect)
4398 {
4399         struct ia_css_cc_config *cc_config = NULL;
4400         struct ia_css_macc_table *macc_table = NULL;
4401         struct ia_css_ctc_table *ctc_table = NULL;
4402         int ret = 0;
4403         struct v4l2_control control;
4404         struct atomisp_device *isp = asd->isp;
4405
4406         if (flag == 0) {
4407                 *effect = asd->params.color_effect;
4408                 return 0;
4409         }
4410
4411         control.id = V4L2_CID_COLORFX;
4412         control.value = *effect;
4413         ret =
4414             v4l2_s_ctrl(NULL, isp->inputs[asd->input_curr].camera->ctrl_handler,
4415                         &control);
4416         /*
4417          * if set color effect to sensor successfully, return
4418          * 0 directly.
4419          */
4420         if (!ret) {
4421                 asd->params.color_effect = (u32)*effect;
4422                 return 0;
4423         }
4424
4425         if (*effect == asd->params.color_effect)
4426                 return 0;
4427
4428         /*
4429          * isp_subdev->params.macc_en should be set to false.
4430          */
4431         asd->params.macc_en = false;
4432
4433         switch (*effect) {
4434         case V4L2_COLORFX_NONE:
4435                 macc_table = &asd->params.css_param.macc_table;
4436                 asd->params.macc_en = true;
4437                 break;
4438         case V4L2_COLORFX_SEPIA:
4439                 cc_config = &sepia_cc_config;
4440                 break;
4441         case V4L2_COLORFX_NEGATIVE:
4442                 cc_config = &nega_cc_config;
4443                 break;
4444         case V4L2_COLORFX_BW:
4445                 cc_config = &mono_cc_config;
4446                 break;
4447         case V4L2_COLORFX_SKY_BLUE:
4448                 macc_table = &blue_macc_table;
4449                 asd->params.macc_en = true;
4450                 break;
4451         case V4L2_COLORFX_GRASS_GREEN:
4452                 macc_table = &green_macc_table;
4453                 asd->params.macc_en = true;
4454                 break;
4455         case V4L2_COLORFX_SKIN_WHITEN_LOW:
4456                 macc_table = &skin_low_macc_table;
4457                 asd->params.macc_en = true;
4458                 break;
4459         case V4L2_COLORFX_SKIN_WHITEN:
4460                 macc_table = &skin_medium_macc_table;
4461                 asd->params.macc_en = true;
4462                 break;
4463         case V4L2_COLORFX_SKIN_WHITEN_HIGH:
4464                 macc_table = &skin_high_macc_table;
4465                 asd->params.macc_en = true;
4466                 break;
4467         case V4L2_COLORFX_VIVID:
4468                 ctc_table = &vivid_ctc_table;
4469                 break;
4470         default:
4471                 return -EINVAL;
4472         }
4473         atomisp_update_capture_mode(asd);
4474
4475         if (cc_config)
4476                 asd->params.config.cc_config = cc_config;
4477         if (macc_table)
4478                 asd->params.config.macc_table = macc_table;
4479         if (ctc_table)
4480                 atomisp_css_set_ctc_table(asd, ctc_table);
4481         asd->params.color_effect = (u32)*effect;
4482         asd->params.css_update_params_needed = true;
4483         return 0;
4484 }
4485
4486 /*
4487  * Function to configure bad pixel correction
4488  */
4489 int atomisp_bad_pixel(struct atomisp_sub_device *asd, int flag,
4490                       __s32 *value)
4491 {
4492         if (flag == 0) {
4493                 *value = asd->params.bad_pixel_en;
4494                 return 0;
4495         }
4496         asd->params.bad_pixel_en = !!*value;
4497
4498         return 0;
4499 }
4500
4501 /*
4502  * Function to configure bad pixel correction params
4503  */
4504 int atomisp_bad_pixel_param(struct atomisp_sub_device *asd, int flag,
4505                             struct atomisp_dp_config *config)
4506 {
4507         if (flag == 0) {
4508                 /* Get bad pixel from current setup */
4509                 if (atomisp_css_get_dp_config(asd, config))
4510                         return -EINVAL;
4511         } else {
4512                 /* Set bad pixel to isp parameters */
4513                 memcpy(&asd->params.css_param.dp_config, config,
4514                        sizeof(asd->params.css_param.dp_config));
4515                 asd->params.config.dp_config = &asd->params.css_param.dp_config;
4516                 asd->params.css_update_params_needed = true;
4517         }
4518
4519         return 0;
4520 }
4521
4522 /*
4523  * Function to enable/disable video image stablization
4524  */
4525 int atomisp_video_stable(struct atomisp_sub_device *asd, int flag,
4526                          __s32 *value)
4527 {
4528         if (flag == 0)
4529                 *value = asd->params.video_dis_en;
4530         else
4531                 asd->params.video_dis_en = !!*value;
4532
4533         return 0;
4534 }
4535
4536 /*
4537  * Function to configure fixed pattern noise
4538  */
4539 int atomisp_fixed_pattern(struct atomisp_sub_device *asd, int flag,
4540                           __s32 *value)
4541 {
4542         if (flag == 0) {
4543                 *value = asd->params.fpn_en;
4544                 return 0;
4545         }
4546
4547         if (*value == 0) {
4548                 asd->params.fpn_en = false;
4549                 return 0;
4550         }
4551
4552         /* Add function to get black from from sensor with shutter off */
4553         return 0;
4554 }
4555
4556 static unsigned int
4557 atomisp_bytesperline_to_padded_width(unsigned int bytesperline,
4558                                      enum ia_css_frame_format format)
4559 {
4560         switch (format) {
4561         case IA_CSS_FRAME_FORMAT_UYVY:
4562         case IA_CSS_FRAME_FORMAT_YUYV:
4563         case IA_CSS_FRAME_FORMAT_RAW:
4564         case IA_CSS_FRAME_FORMAT_RGB565:
4565                 return bytesperline / 2;
4566         case IA_CSS_FRAME_FORMAT_RGBA888:
4567                 return bytesperline / 4;
4568         /* The following cases could be removed, but we leave them
4569            in to document the formats that are included. */
4570         case IA_CSS_FRAME_FORMAT_NV11:
4571         case IA_CSS_FRAME_FORMAT_NV12:
4572         case IA_CSS_FRAME_FORMAT_NV16:
4573         case IA_CSS_FRAME_FORMAT_NV21:
4574         case IA_CSS_FRAME_FORMAT_NV61:
4575         case IA_CSS_FRAME_FORMAT_YV12:
4576         case IA_CSS_FRAME_FORMAT_YV16:
4577         case IA_CSS_FRAME_FORMAT_YUV420:
4578         case IA_CSS_FRAME_FORMAT_YUV420_16:
4579         case IA_CSS_FRAME_FORMAT_YUV422:
4580         case IA_CSS_FRAME_FORMAT_YUV422_16:
4581         case IA_CSS_FRAME_FORMAT_YUV444:
4582         case IA_CSS_FRAME_FORMAT_YUV_LINE:
4583         case IA_CSS_FRAME_FORMAT_PLANAR_RGB888:
4584         case IA_CSS_FRAME_FORMAT_QPLANE6:
4585         case IA_CSS_FRAME_FORMAT_BINARY_8:
4586         default:
4587                 return bytesperline;
4588         }
4589 }
4590
4591 static int
4592 atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer *arg,
4593                                       struct ia_css_frame **result)
4594 {
4595         struct ia_css_frame *res = NULL;
4596         unsigned int padded_width;
4597         enum ia_css_frame_format sh_format;
4598         char *tmp_buf = NULL;
4599         int ret = 0;
4600
4601         sh_format = v4l2_fmt_to_sh_fmt(arg->fmt.pixelformat);
4602         padded_width = atomisp_bytesperline_to_padded_width(
4603                            arg->fmt.bytesperline, sh_format);
4604
4605         /* Note: the padded width on an ia_css_frame is in elements, not in
4606            bytes. The RAW frame we use here should always be a 16bit RAW
4607            frame. This is why we bytesperline/2 is equal to the padded with */
4608         if (ia_css_frame_allocate(&res, arg->fmt.width, arg->fmt.height,
4609                                        sh_format, padded_width, 0)) {
4610                 ret = -ENOMEM;
4611                 goto err;
4612         }
4613
4614         tmp_buf = vmalloc(arg->fmt.sizeimage);
4615         if (!tmp_buf) {
4616                 ret = -ENOMEM;
4617                 goto err;
4618         }
4619         if (copy_from_user(tmp_buf, (void __user __force *)arg->base,
4620                            arg->fmt.sizeimage)) {
4621                 ret = -EFAULT;
4622                 goto err;
4623         }
4624
4625         if (hmm_store(res->data, tmp_buf, arg->fmt.sizeimage)) {
4626                 ret = -EINVAL;
4627                 goto err;
4628         }
4629
4630 err:
4631         if (ret && res)
4632                 ia_css_frame_free(res);
4633         if (tmp_buf)
4634                 vfree(tmp_buf);
4635         if (ret == 0)
4636                 *result = res;
4637         return ret;
4638 }
4639
4640 /*
4641  * Function to configure fixed pattern noise table
4642  */
4643 int atomisp_fixed_pattern_table(struct atomisp_sub_device *asd,
4644                                 struct v4l2_framebuffer *arg)
4645 {
4646         struct ia_css_frame *raw_black_frame = NULL;
4647         int ret;
4648
4649         if (!arg)
4650                 return -EINVAL;
4651
4652         ret = atomisp_v4l2_framebuffer_to_css_frame(arg, &raw_black_frame);
4653         if (ret)
4654                 return ret;
4655
4656         if (sh_css_set_black_frame(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream,
4657                                    raw_black_frame) != 0)
4658                 return -ENOMEM;
4659
4660         ia_css_frame_free(raw_black_frame);
4661         return ret;
4662 }
4663
4664 /*
4665  * Function to configure false color correction
4666  */
4667 int atomisp_false_color(struct atomisp_sub_device *asd, int flag,
4668                         __s32 *value)
4669 {
4670         /* Get nr config from current setup */
4671         if (flag == 0) {
4672                 *value = asd->params.false_color;
4673                 return 0;
4674         }
4675
4676         /* Set nr config to isp parameters */
4677         if (*value) {
4678                 asd->params.config.de_config = NULL;
4679         } else {
4680                 asd->params.css_param.de_config.pixelnoise = 0;
4681                 asd->params.config.de_config = &asd->params.css_param.de_config;
4682         }
4683         asd->params.css_update_params_needed = true;
4684         asd->params.false_color = *value;
4685         return 0;
4686 }
4687
4688 /*
4689  * Function to configure bad pixel correction params
4690  */
4691 int atomisp_false_color_param(struct atomisp_sub_device *asd, int flag,
4692                               struct atomisp_de_config *config)
4693 {
4694         if (flag == 0) {
4695                 /* Get false color from current setup */
4696                 if (atomisp_css_get_de_config(asd, config))
4697                         return -EINVAL;
4698         } else {
4699                 /* Set false color to isp parameters */
4700                 memcpy(&asd->params.css_param.de_config, config,
4701                        sizeof(asd->params.css_param.de_config));
4702                 asd->params.config.de_config = &asd->params.css_param.de_config;
4703                 asd->params.css_update_params_needed = true;
4704         }
4705
4706         return 0;
4707 }
4708
4709 /*
4710  * Function to configure white balance params
4711  */
4712 int atomisp_white_balance_param(struct atomisp_sub_device *asd, int flag,
4713                                 struct atomisp_wb_config *config)
4714 {
4715         if (flag == 0) {
4716                 /* Get white balance from current setup */
4717                 if (atomisp_css_get_wb_config(asd, config))
4718                         return -EINVAL;
4719         } else {
4720                 /* Set white balance to isp parameters */
4721                 memcpy(&asd->params.css_param.wb_config, config,
4722                        sizeof(asd->params.css_param.wb_config));
4723                 asd->params.config.wb_config = &asd->params.css_param.wb_config;
4724                 asd->params.css_update_params_needed = true;
4725         }
4726
4727         return 0;
4728 }
4729
4730 int atomisp_3a_config_param(struct atomisp_sub_device *asd, int flag,
4731                             struct atomisp_3a_config *config)
4732 {
4733         struct atomisp_device *isp = asd->isp;
4734
4735         dev_dbg(isp->dev, ">%s %d\n", __func__, flag);
4736
4737         if (flag == 0) {
4738                 /* Get white balance from current setup */
4739                 if (atomisp_css_get_3a_config(asd, config))
4740                         return -EINVAL;
4741         } else {
4742                 /* Set white balance to isp parameters */
4743                 memcpy(&asd->params.css_param.s3a_config, config,
4744                        sizeof(asd->params.css_param.s3a_config));
4745                 asd->params.config.s3a_config = &asd->params.css_param.s3a_config;
4746                 asd->params.css_update_params_needed = true;
4747         }
4748
4749         dev_dbg(isp->dev, "<%s %d\n", __func__, flag);
4750         return 0;
4751 }
4752
4753 /*
4754  * Function to setup digital zoom
4755  */
4756 int atomisp_digital_zoom(struct atomisp_sub_device *asd, int flag,
4757                          __s32 *value)
4758 {
4759         u32 zoom;
4760         struct atomisp_device *isp = asd->isp;
4761
4762         unsigned int max_zoom = MRFLD_MAX_ZOOM_FACTOR;
4763
4764         if (flag == 0) {
4765                 atomisp_css_get_zoom_factor(asd, &zoom);
4766                 *value = max_zoom - zoom;
4767         } else {
4768                 if (*value < 0)
4769                         return -EINVAL;
4770
4771                 zoom = max_zoom - min_t(u32, max_zoom - 1, *value);
4772                 atomisp_css_set_zoom_factor(asd, zoom);
4773
4774                 dev_dbg(isp->dev, "%s, zoom: %d\n", __func__, zoom);
4775                 asd->params.css_update_params_needed = true;
4776         }
4777
4778         return 0;
4779 }
4780
4781 /*
4782  * Function to get sensor specific info for current resolution,
4783  * which will be used for auto exposure conversion.
4784  */
4785 int atomisp_get_sensor_mode_data(struct atomisp_sub_device *asd,
4786                                  struct atomisp_sensor_mode_data *config)
4787 {
4788         struct camera_mipi_info *mipi_info;
4789         struct atomisp_device *isp = asd->isp;
4790
4791         mipi_info = atomisp_to_sensor_mipi_info(
4792                         isp->inputs[asd->input_curr].camera);
4793         if (!mipi_info)
4794                 return -EINVAL;
4795
4796         memcpy(config, &mipi_info->data, sizeof(*config));
4797         return 0;
4798 }
4799
4800 int atomisp_get_fmt(struct video_device *vdev, struct v4l2_format *f)
4801 {
4802         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4803
4804         f->fmt.pix = pipe->pix;
4805
4806         return 0;
4807 }
4808
4809 static void __atomisp_update_stream_env(struct atomisp_sub_device *asd,
4810                                         u16 stream_index, struct atomisp_input_stream_info *stream_info)
4811 {
4812         int i;
4813
4814         /* assign virtual channel id return from sensor driver query */
4815         asd->stream_env[stream_index].ch_id = stream_info->ch_id;
4816         asd->stream_env[stream_index].isys_configs = stream_info->isys_configs;
4817         for (i = 0; i < stream_info->isys_configs; i++) {
4818                 asd->stream_env[stream_index].isys_info[i].input_format =
4819                     stream_info->isys_info[i].input_format;
4820                 asd->stream_env[stream_index].isys_info[i].width =
4821                     stream_info->isys_info[i].width;
4822                 asd->stream_env[stream_index].isys_info[i].height =
4823                     stream_info->isys_info[i].height;
4824         }
4825 }
4826
4827 static void __atomisp_init_stream_info(u16 stream_index,
4828                                        struct atomisp_input_stream_info *stream_info)
4829 {
4830         int i;
4831
4832         stream_info->enable = 1;
4833         stream_info->stream = stream_index;
4834         stream_info->ch_id = 0;
4835         stream_info->isys_configs = 0;
4836         for (i = 0; i < MAX_STREAMS_PER_CHANNEL; i++) {
4837                 stream_info->isys_info[i].input_format = 0;
4838                 stream_info->isys_info[i].width = 0;
4839                 stream_info->isys_info[i].height = 0;
4840         }
4841 }
4842
4843 /* This function looks up the closest available resolution. */
4844 int atomisp_try_fmt(struct video_device *vdev, struct v4l2_format *f,
4845                     bool *res_overflow)
4846 {
4847         struct atomisp_device *isp = video_get_drvdata(vdev);
4848         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4849         struct v4l2_subdev_pad_config pad_cfg;
4850         struct v4l2_subdev_format format = {
4851                 .which = V4L2_SUBDEV_FORMAT_TRY,
4852         };
4853
4854         struct v4l2_mbus_framefmt *snr_mbus_fmt = &format.format;
4855         const struct atomisp_format_bridge *fmt;
4856         struct atomisp_input_stream_info *stream_info =
4857             (struct atomisp_input_stream_info *)snr_mbus_fmt->reserved;
4858         u16 stream_index;
4859         int source_pad = atomisp_subdev_source_pad(vdev);
4860         int ret;
4861
4862         if (!isp->inputs[asd->input_curr].camera)
4863                 return -EINVAL;
4864
4865         stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
4866         fmt = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
4867         if (!fmt) {
4868                 dev_err(isp->dev, "unsupported pixelformat!\n");
4869                 fmt = atomisp_output_fmts;
4870         }
4871
4872         if (f->fmt.pix.width <= 0 || f->fmt.pix.height <= 0)
4873                 return -EINVAL;
4874
4875         snr_mbus_fmt->code = fmt->mbus_code;
4876         snr_mbus_fmt->width = f->fmt.pix.width;
4877         snr_mbus_fmt->height = f->fmt.pix.height;
4878
4879         __atomisp_init_stream_info(stream_index, stream_info);
4880
4881         dev_dbg(isp->dev, "try_mbus_fmt: asking for %ux%u\n",
4882                 snr_mbus_fmt->width, snr_mbus_fmt->height);
4883
4884         ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
4885                                pad, set_fmt, &pad_cfg, &format);
4886         if (ret)
4887                 return ret;
4888
4889         dev_dbg(isp->dev, "try_mbus_fmt: got %ux%u\n",
4890                 snr_mbus_fmt->width, snr_mbus_fmt->height);
4891
4892         fmt = atomisp_get_format_bridge_from_mbus(snr_mbus_fmt->code);
4893         if (!fmt) {
4894                 dev_err(isp->dev, "unknown sensor format 0x%8.8x\n",
4895                         snr_mbus_fmt->code);
4896                 return -EINVAL;
4897         }
4898
4899         f->fmt.pix.pixelformat = fmt->pixelformat;
4900
4901         /*
4902          * If the format is jpeg or custom RAW, then the width and height will
4903          * not satisfy the normal atomisp requirements and no need to check
4904          * the below conditions. So just assign to what is being returned from
4905          * the sensor driver.
4906          */
4907         if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
4908             f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
4909                 f->fmt.pix.width = snr_mbus_fmt->width;
4910                 f->fmt.pix.height = snr_mbus_fmt->height;
4911                 return 0;
4912         }
4913
4914         if (snr_mbus_fmt->width < f->fmt.pix.width
4915             && snr_mbus_fmt->height < f->fmt.pix.height) {
4916                 f->fmt.pix.width = snr_mbus_fmt->width;
4917                 f->fmt.pix.height = snr_mbus_fmt->height;
4918                 /* Set the flag when resolution requested is
4919                  * beyond the max value supported by sensor
4920                  */
4921                 if (res_overflow)
4922                         *res_overflow = true;
4923         }
4924
4925         /* app vs isp */
4926         f->fmt.pix.width = rounddown(
4927                                clamp_t(u32, f->fmt.pix.width, ATOM_ISP_MIN_WIDTH,
4928                                        ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
4929         f->fmt.pix.height = rounddown(
4930                                 clamp_t(u32, f->fmt.pix.height, ATOM_ISP_MIN_HEIGHT,
4931                                         ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
4932
4933         return 0;
4934 }
4935
4936 static int
4937 atomisp_try_fmt_file(struct atomisp_device *isp, struct v4l2_format *f)
4938 {
4939         u32 width = f->fmt.pix.width;
4940         u32 height = f->fmt.pix.height;
4941         u32 pixelformat = f->fmt.pix.pixelformat;
4942         enum v4l2_field field = f->fmt.pix.field;
4943         u32 depth;
4944
4945         if (!atomisp_get_format_bridge(pixelformat)) {
4946                 dev_err(isp->dev, "Wrong output pixelformat\n");
4947                 return -EINVAL;
4948         }
4949
4950         depth = get_pixel_depth(pixelformat);
4951
4952         if (field == V4L2_FIELD_ANY)
4953                 field = V4L2_FIELD_NONE;
4954         else if (field != V4L2_FIELD_NONE) {
4955                 dev_err(isp->dev, "Wrong output field\n");
4956                 return -EINVAL;
4957         }
4958
4959         f->fmt.pix.field = field;
4960         f->fmt.pix.width = clamp_t(u32,
4961                                    rounddown(width, (u32)ATOM_ISP_STEP_WIDTH),
4962                                    ATOM_ISP_MIN_WIDTH, ATOM_ISP_MAX_WIDTH);
4963         f->fmt.pix.height = clamp_t(u32, rounddown(height,
4964                                     (u32)ATOM_ISP_STEP_HEIGHT),
4965                                     ATOM_ISP_MIN_HEIGHT, ATOM_ISP_MAX_HEIGHT);
4966         f->fmt.pix.bytesperline = (width * depth) >> 3;
4967
4968         return 0;
4969 }
4970
4971 enum mipi_port_id __get_mipi_port(struct atomisp_device *isp,
4972                                   enum atomisp_camera_port port)
4973 {
4974         switch (port) {
4975         case ATOMISP_CAMERA_PORT_PRIMARY:
4976                 return MIPI_PORT0_ID;
4977         case ATOMISP_CAMERA_PORT_SECONDARY:
4978                 return MIPI_PORT1_ID;
4979         case ATOMISP_CAMERA_PORT_TERTIARY:
4980                 if (MIPI_PORT1_ID + 1 != N_MIPI_PORT_ID) {
4981                         return MIPI_PORT1_ID + 1;
4982                 }
4983         /* fall through */
4984         default:
4985                 dev_err(isp->dev, "unsupported port: %d\n", port);
4986                 return MIPI_PORT0_ID;
4987         }
4988 }
4989
4990 static inline int atomisp_set_sensor_mipi_to_isp(
4991     struct atomisp_sub_device *asd,
4992     enum atomisp_input_stream_id stream_id,
4993     struct camera_mipi_info *mipi_info)
4994 {
4995         struct v4l2_control ctrl;
4996         struct atomisp_device *isp = asd->isp;
4997         const struct atomisp_in_fmt_conv *fc;
4998         int mipi_freq = 0;
4999         unsigned int input_format, bayer_order;
5000
5001         ctrl.id = V4L2_CID_LINK_FREQ;
5002         if (v4l2_g_ctrl
5003             (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl) == 0)
5004                 mipi_freq = ctrl.value;
5005
5006         if (asd->stream_env[stream_id].isys_configs == 1) {
5007                 input_format =
5008                     asd->stream_env[stream_id].isys_info[0].input_format;
5009                 atomisp_css_isys_set_format(asd, stream_id,
5010                                             input_format, IA_CSS_STREAM_DEFAULT_ISYS_STREAM_IDX);
5011         } else if (asd->stream_env[stream_id].isys_configs == 2) {
5012                 atomisp_css_isys_two_stream_cfg_update_stream1(
5013                     asd, stream_id,
5014                     asd->stream_env[stream_id].isys_info[0].input_format,
5015                     asd->stream_env[stream_id].isys_info[0].width,
5016                     asd->stream_env[stream_id].isys_info[0].height);
5017
5018                 atomisp_css_isys_two_stream_cfg_update_stream2(
5019                     asd, stream_id,
5020                     asd->stream_env[stream_id].isys_info[1].input_format,
5021                     asd->stream_env[stream_id].isys_info[1].width,
5022                     asd->stream_env[stream_id].isys_info[1].height);
5023         }
5024
5025         /* Compatibility for sensors which provide no media bus code
5026          * in s_mbus_framefmt() nor support pad formats. */
5027         if (mipi_info->input_format != -1) {
5028                 bayer_order = mipi_info->raw_bayer_order;
5029
5030                 /* Input stream config is still needs configured */
5031                 /* TODO: Check if this is necessary */
5032                 fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5033                          mipi_info->input_format);
5034                 if (!fc)
5035                         return -EINVAL;
5036                 input_format = fc->atomisp_in_fmt;
5037         } else {
5038                 struct v4l2_mbus_framefmt *sink;
5039
5040                 sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5041                                                V4L2_SUBDEV_FORMAT_ACTIVE,
5042                                                ATOMISP_SUBDEV_PAD_SINK);
5043                 fc = atomisp_find_in_fmt_conv(sink->code);
5044                 if (!fc)
5045                         return -EINVAL;
5046                 input_format = fc->atomisp_in_fmt;
5047                 bayer_order = fc->bayer_order;
5048         }
5049
5050         atomisp_css_input_set_format(asd, stream_id, input_format);
5051         atomisp_css_input_set_bayer_order(asd, stream_id, bayer_order);
5052
5053         fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5054                  mipi_info->metadata_format);
5055         if (!fc)
5056                 return -EINVAL;
5057         input_format = fc->atomisp_in_fmt;
5058         atomisp_css_input_configure_port(asd,
5059                                          __get_mipi_port(asd->isp, mipi_info->port),
5060                                          mipi_info->num_lanes,
5061                                          0xffff4, mipi_freq,
5062                                          input_format,
5063                                          mipi_info->metadata_width,
5064                                          mipi_info->metadata_height);
5065         return 0;
5066 }
5067
5068 static int __enable_continuous_mode(struct atomisp_sub_device *asd,
5069                                     bool enable)
5070 {
5071         struct atomisp_device *isp = asd->isp;
5072
5073         dev_dbg(isp->dev,
5074                 "continuous mode %d, raw buffers %d, stop preview %d\n",
5075                 enable, asd->continuous_raw_buffer_size->val,
5076                 !asd->continuous_viewfinder->val);
5077
5078         if (!IS_ISP2401)
5079                 atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
5080         else
5081                 atomisp_update_capture_mode(asd);
5082
5083         /* in case of ANR, force capture pipe to offline mode */
5084         atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5085                                           asd->params.low_light ? false : !enable);
5086         atomisp_css_preview_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5087                                           !enable);
5088         atomisp_css_enable_continuous(asd, enable);
5089         atomisp_css_enable_cvf(asd, asd->continuous_viewfinder->val);
5090
5091         if (atomisp_css_continuous_set_num_raw_frames(asd,
5092                 asd->continuous_raw_buffer_size->val)) {
5093                 dev_err(isp->dev, "css_continuous_set_num_raw_frames failed\n");
5094                 return -EINVAL;
5095         }
5096
5097         if (!enable) {
5098                 atomisp_css_enable_raw_binning(asd, false);
5099                 atomisp_css_input_set_two_pixels_per_clock(asd, false);
5100         }
5101
5102         if (isp->inputs[asd->input_curr].type != FILE_INPUT)
5103                 atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5104
5105         return atomisp_update_run_mode(asd);
5106 }
5107
5108 static int configure_pp_input_nop(struct atomisp_sub_device *asd,
5109                                   unsigned int width, unsigned int height)
5110 {
5111         return 0;
5112 }
5113
5114 static int configure_output_nop(struct atomisp_sub_device *asd,
5115                                 unsigned int width, unsigned int height,
5116                                 unsigned int min_width,
5117                                 enum ia_css_frame_format sh_fmt)
5118 {
5119         return 0;
5120 }
5121
5122 static int get_frame_info_nop(struct atomisp_sub_device *asd,
5123                               struct ia_css_frame_info *finfo)
5124 {
5125         return 0;
5126 }
5127
5128 /*
5129  * Resets CSS parameters that depend on input resolution.
5130  *
5131  * Update params like CSS RAW binning, 2ppc mode and pp_input
5132  * which depend on input size, but are not automatically
5133  * handled in CSS when the input resolution is changed.
5134  */
5135 static int css_input_resolution_changed(struct atomisp_sub_device *asd,
5136                                         struct v4l2_mbus_framefmt *ffmt)
5137 {
5138         struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
5139         unsigned int i;
5140
5141         dev_dbg(asd->isp->dev, "css_input_resolution_changed to %ux%u\n",
5142                 ffmt->width, ffmt->height);
5143
5144 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5145         atomisp_css_input_set_two_pixels_per_clock(asd, false);
5146 #else
5147         atomisp_css_input_set_two_pixels_per_clock(asd, true);
5148 #endif
5149         if (asd->continuous_mode->val) {
5150                 /* Note for all checks: ffmt includes pad_w+pad_h */
5151                 if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
5152                     (ffmt->width >= 2048 || ffmt->height >= 1536)) {
5153                         /*
5154                          * For preview pipe, enable only if resolution
5155                          * is >= 3M for ISP2400.
5156                          */
5157                         atomisp_css_enable_raw_binning(asd, true);
5158                 }
5159         }
5160         /*
5161          * If sensor input changed, which means metadata resolution changed
5162          * together. Release all metadata buffers here to let it re-allocated
5163          * next time in reqbufs.
5164          */
5165         for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
5166                 list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
5167                                          list) {
5168                         atomisp_css_free_metadata_buffer(md_buf);
5169                         list_del(&md_buf->list);
5170                         kfree(md_buf);
5171                 }
5172         }
5173         return 0;
5174
5175         /*
5176          * TODO: atomisp_css_preview_configure_pp_input() not
5177          *       reset due to CSS bug tracked as PSI BZ 115124
5178          */
5179 }
5180
5181 static int atomisp_set_fmt_to_isp(struct video_device *vdev,
5182                                   struct ia_css_frame_info *output_info,
5183                                   struct ia_css_frame_info *raw_output_info,
5184                                   struct v4l2_pix_format *pix,
5185                                   unsigned int source_pad)
5186 {
5187         struct camera_mipi_info *mipi_info;
5188         struct atomisp_device *isp = video_get_drvdata(vdev);
5189         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5190         const struct atomisp_format_bridge *format;
5191         struct v4l2_rect *isp_sink_crop;
5192         enum ia_css_pipe_id pipe_id;
5193         struct v4l2_subdev_fh fh;
5194         int (*configure_output)(struct atomisp_sub_device *asd,
5195                                 unsigned int width, unsigned int height,
5196                                 unsigned int min_width,
5197                                 enum ia_css_frame_format sh_fmt) =
5198                                     configure_output_nop;
5199         int (*get_frame_info)(struct atomisp_sub_device *asd,
5200                               struct ia_css_frame_info *finfo) =
5201                                   get_frame_info_nop;
5202         int (*configure_pp_input)(struct atomisp_sub_device *asd,
5203                                   unsigned int width, unsigned int height) =
5204                                       configure_pp_input_nop;
5205         u16 stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5206         const struct atomisp_in_fmt_conv *fc;
5207         int ret, i;
5208
5209         v4l2_fh_init(&fh.vfh, vdev);
5210
5211         isp_sink_crop = atomisp_subdev_get_rect(
5212                             &asd->subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5213                             ATOMISP_SUBDEV_PAD_SINK, V4L2_SEL_TGT_CROP);
5214
5215         format = atomisp_get_format_bridge(pix->pixelformat);
5216         if (!format)
5217                 return -EINVAL;
5218
5219         if (isp->inputs[asd->input_curr].type != TEST_PATTERN &&
5220             isp->inputs[asd->input_curr].type != FILE_INPUT) {
5221                 mipi_info = atomisp_to_sensor_mipi_info(
5222                                 isp->inputs[asd->input_curr].camera);
5223                 if (!mipi_info) {
5224                         dev_err(isp->dev, "mipi_info is NULL\n");
5225                         return -EINVAL;
5226                 }
5227                 if (atomisp_set_sensor_mipi_to_isp(asd, stream_index,
5228                                                    mipi_info))
5229                         return -EINVAL;
5230                 fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5231                          mipi_info->input_format);
5232                 if (!fc)
5233                         fc = atomisp_find_in_fmt_conv(
5234                                  atomisp_subdev_get_ffmt(&asd->subdev,
5235                                                          NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5236                                                          ATOMISP_SUBDEV_PAD_SINK)->code);
5237                 if (!fc)
5238                         return -EINVAL;
5239                 if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW &&
5240                     raw_output_format_match_input(fc->atomisp_in_fmt,
5241                                                   pix->pixelformat))
5242                         return -EINVAL;
5243         }
5244
5245         /*
5246          * Configure viewfinder also when vfpp is disabled: the
5247          * CSS still requires viewfinder configuration.
5248          */
5249         if (asd->fmt_auto->val ||
5250             asd->vfpp->val != ATOMISP_VFPP_ENABLE) {
5251                 struct v4l2_rect vf_size = {0};
5252                 struct v4l2_mbus_framefmt vf_ffmt = {0};
5253
5254                 if (pix->width < 640 || pix->height < 480) {
5255                         vf_size.width = pix->width;
5256                         vf_size.height = pix->height;
5257                 } else {
5258                         vf_size.width = 640;
5259                         vf_size.height = 480;
5260                 }
5261
5262                 /* FIXME: proper format name for this one. See
5263                    atomisp_output_fmts[] in atomisp_v4l2.c */
5264                 vf_ffmt.code = V4L2_MBUS_FMT_CUSTOM_YUV420;
5265
5266                 atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5267                                              V4L2_SUBDEV_FORMAT_ACTIVE,
5268                                              ATOMISP_SUBDEV_PAD_SOURCE_VF,
5269                                              V4L2_SEL_TGT_COMPOSE, 0, &vf_size);
5270                 atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5271                                         V4L2_SUBDEV_FORMAT_ACTIVE,
5272                                         ATOMISP_SUBDEV_PAD_SOURCE_VF, &vf_ffmt);
5273                 asd->video_out_vf.sh_fmt = IA_CSS_FRAME_FORMAT_NV12;
5274
5275                 if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5276                         atomisp_css_video_configure_viewfinder(asd,
5277                                                                vf_size.width, vf_size.height, 0,
5278                                                                asd->video_out_vf.sh_fmt);
5279                 } else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5280                         if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5281                             source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO)
5282                                 atomisp_css_video_configure_viewfinder(asd,
5283                                                                        vf_size.width, vf_size.height, 0,
5284                                                                        asd->video_out_vf.sh_fmt);
5285                         else
5286                                 atomisp_css_capture_configure_viewfinder(asd,
5287                                         vf_size.width, vf_size.height, 0,
5288                                         asd->video_out_vf.sh_fmt);
5289                 } else if (source_pad != ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5290                            asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
5291                         atomisp_css_capture_configure_viewfinder(asd,
5292                                 vf_size.width, vf_size.height, 0,
5293                                 asd->video_out_vf.sh_fmt);
5294                 }
5295         }
5296
5297         if (asd->continuous_mode->val) {
5298                 ret = __enable_continuous_mode(asd, true);
5299                 if (ret)
5300                         return -EINVAL;
5301         }
5302
5303         atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5304
5305         for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++)
5306                 asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipe_extra_configs[i].disable_vf_pp = asd->vfpp->val != ATOMISP_VFPP_ENABLE;
5307
5308         /* ISP2401 new input system need to use copy pipe */
5309         if (asd->copy_mode) {
5310                 pipe_id = IA_CSS_PIPE_ID_COPY;
5311                 atomisp_css_capture_enable_online(asd, stream_index, false);
5312         } else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5313                 /* video same in continuouscapture and online modes */
5314                 configure_output = atomisp_css_video_configure_output;
5315                 get_frame_info = atomisp_css_video_get_output_frame_info;
5316                 pipe_id = IA_CSS_PIPE_ID_VIDEO;
5317         } else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5318                 if (!asd->continuous_mode->val) {
5319                         configure_output = atomisp_css_video_configure_output;
5320                         get_frame_info =
5321                             atomisp_css_video_get_output_frame_info;
5322                         pipe_id = IA_CSS_PIPE_ID_VIDEO;
5323                 } else {
5324                         if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5325                             source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5326                                 configure_output =
5327                                     atomisp_css_video_configure_output;
5328                                 get_frame_info =
5329                                     atomisp_css_video_get_output_frame_info;
5330                                 configure_pp_input =
5331                                     atomisp_css_video_configure_pp_input;
5332                                 pipe_id = IA_CSS_PIPE_ID_VIDEO;
5333                         } else {
5334                                 configure_output =
5335                                     atomisp_css_capture_configure_output;
5336                                 get_frame_info =
5337                                     atomisp_css_capture_get_output_frame_info;
5338                                 configure_pp_input =
5339                                     atomisp_css_capture_configure_pp_input;
5340                                 pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5341
5342                                 atomisp_update_capture_mode(asd);
5343                                 atomisp_css_capture_enable_online(asd, stream_index, false);
5344                         }
5345                 }
5346         } else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5347                 configure_output = atomisp_css_preview_configure_output;
5348                 get_frame_info = atomisp_css_preview_get_output_frame_info;
5349                 configure_pp_input = atomisp_css_preview_configure_pp_input;
5350                 pipe_id = IA_CSS_PIPE_ID_PREVIEW;
5351         } else {
5352                 /* CSS doesn't support low light mode on SOC cameras, so disable
5353                  * it. FIXME: if this is done elsewhere, it gives corrupted
5354                  * colors into thumbnail image.
5355                  */
5356                 if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5357                         asd->params.low_light = false;
5358
5359                 if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
5360                         atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
5361                         atomisp_css_enable_dz(asd, false);
5362                 } else {
5363                         atomisp_update_capture_mode(asd);
5364                 }
5365
5366                 if (!asd->continuous_mode->val)
5367                         /* in case of ANR, force capture pipe to offline mode */
5368                         atomisp_css_capture_enable_online(asd, stream_index,
5369                                                           asd->params.low_light ?
5370                                                           false : asd->params.online_process);
5371
5372                 configure_output = atomisp_css_capture_configure_output;
5373                 get_frame_info = atomisp_css_capture_get_output_frame_info;
5374                 configure_pp_input = atomisp_css_capture_configure_pp_input;
5375                 pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5376
5377                 if (!asd->params.online_process &&
5378                     !asd->continuous_mode->val) {
5379                         ret = atomisp_css_capture_get_output_raw_frame_info(asd,
5380                                 raw_output_info);
5381                         if (ret)
5382                                 return ret;
5383                 }
5384                 if (!asd->continuous_mode->val && asd->run_mode->val
5385                     != ATOMISP_RUN_MODE_STILL_CAPTURE) {
5386                         dev_err(isp->dev,
5387                                 "Need to set the running mode first\n");
5388                         asd->run_mode->val = ATOMISP_RUN_MODE_STILL_CAPTURE;
5389                 }
5390         }
5391
5392         /*
5393          * to SOC camera, use yuvpp pipe.
5394          */
5395         if (ATOMISP_USE_YUVPP(asd))
5396                 pipe_id = IA_CSS_PIPE_ID_YUVPP;
5397
5398         if (asd->copy_mode)
5399                 ret = atomisp_css_copy_configure_output(asd, stream_index,
5400                                                         pix->width, pix->height,
5401                                                         format->planar ? pix->bytesperline :
5402                                                         pix->bytesperline * 8 / format->depth,
5403                                                         format->sh_fmt);
5404         else
5405                 ret = configure_output(asd, pix->width, pix->height,
5406                                        format->planar ? pix->bytesperline :
5407                                        pix->bytesperline * 8 / format->depth,
5408                                        format->sh_fmt);
5409         if (ret) {
5410                 dev_err(isp->dev, "configure_output %ux%u, format %8.8x\n",
5411                         pix->width, pix->height, format->sh_fmt);
5412                 return -EINVAL;
5413         }
5414
5415         if (asd->continuous_mode->val &&
5416             (configure_pp_input == atomisp_css_preview_configure_pp_input ||
5417              configure_pp_input == atomisp_css_video_configure_pp_input)) {
5418                 /* for isp 2.2, configure pp input is available for continuous
5419                  * mode */
5420                 ret = configure_pp_input(asd, isp_sink_crop->width,
5421                                          isp_sink_crop->height);
5422                 if (ret) {
5423                         dev_err(isp->dev, "configure_pp_input %ux%u\n",
5424                                 isp_sink_crop->width,
5425                                 isp_sink_crop->height);
5426                         return -EINVAL;
5427                 }
5428         } else {
5429                 ret = configure_pp_input(asd, isp_sink_crop->width,
5430                                          isp_sink_crop->height);
5431                 if (ret) {
5432                         dev_err(isp->dev, "configure_pp_input %ux%u\n",
5433                                 isp_sink_crop->width, isp_sink_crop->height);
5434                         return -EINVAL;
5435                 }
5436         }
5437         if (asd->copy_mode)
5438                 ret = atomisp_css_copy_get_output_frame_info(asd, stream_index,
5439                         output_info);
5440         else
5441                 ret = get_frame_info(asd, output_info);
5442         if (ret) {
5443                 dev_err(isp->dev, "get_frame_info %ux%u (padded to %u)\n",
5444                         pix->width, pix->height, pix->bytesperline);
5445                 return -EINVAL;
5446         }
5447
5448         atomisp_update_grid_info(asd, pipe_id, source_pad);
5449
5450         /* Free the raw_dump buffer first */
5451         ia_css_frame_free(asd->raw_output_frame);
5452         asd->raw_output_frame = NULL;
5453
5454         if (!asd->continuous_mode->val &&
5455             !asd->params.online_process && !isp->sw_contex.file_input &&
5456             ia_css_frame_allocate_from_info(&asd->raw_output_frame,
5457                     raw_output_info))
5458                 return -ENOMEM;
5459
5460         return 0;
5461 }
5462
5463 static void atomisp_get_dis_envelop(struct atomisp_sub_device *asd,
5464                                     unsigned int width, unsigned int height,
5465                                     unsigned int *dvs_env_w, unsigned int *dvs_env_h)
5466 {
5467         struct atomisp_device *isp = asd->isp;
5468
5469         /* if subdev type is SOC camera,we do not need to set DVS */
5470         if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5471                 asd->params.video_dis_en = false;
5472
5473         if (asd->params.video_dis_en &&
5474             asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5475                 /* envelope is 20% of the output resolution */
5476                 /*
5477                  * dvs envelope cannot be round up.
5478                  * it would cause ISP timeout and color switch issue
5479                  */
5480                 *dvs_env_w = rounddown(width / 5, ATOM_ISP_STEP_WIDTH);
5481                 *dvs_env_h = rounddown(height / 5, ATOM_ISP_STEP_HEIGHT);
5482         }
5483
5484         asd->params.dis_proj_data_valid = false;
5485         asd->params.css_update_params_needed = true;
5486 }
5487
5488 static void atomisp_check_copy_mode(struct atomisp_sub_device *asd,
5489                                     int source_pad, struct v4l2_format *f)
5490 {
5491 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5492         struct v4l2_mbus_framefmt *sink, *src;
5493
5494         sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5495                                        V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SINK);
5496         src = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5497                                       V4L2_SUBDEV_FORMAT_ACTIVE, source_pad);
5498
5499         if ((sink->code == src->code &&
5500              sink->width == f->fmt.pix.width &&
5501              sink->height == f->fmt.pix.height) ||
5502             ((asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5503              (asd->isp->inputs[asd->input_curr].camera_caps->
5504               sensor[asd->sensor_curr].stream_num > 1)))
5505                 asd->copy_mode = true;
5506         else
5507 #endif
5508                 /* Only used for the new input system */
5509                 asd->copy_mode = false;
5510
5511         dev_dbg(asd->isp->dev, "copy_mode: %d\n", asd->copy_mode);
5512 }
5513
5514 static int atomisp_set_fmt_to_snr(struct video_device *vdev,
5515                                   struct v4l2_format *f, unsigned int pixelformat,
5516                                   unsigned int padding_w, unsigned int padding_h,
5517                                   unsigned int dvs_env_w, unsigned int dvs_env_h)
5518 {
5519         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5520         const struct atomisp_format_bridge *format;
5521         struct v4l2_subdev_pad_config pad_cfg;
5522         struct v4l2_subdev_format vformat = {
5523                 .which = V4L2_SUBDEV_FORMAT_TRY,
5524         };
5525         struct v4l2_mbus_framefmt *ffmt = &vformat.format;
5526         struct v4l2_mbus_framefmt *req_ffmt;
5527         struct atomisp_device *isp = asd->isp;
5528         struct atomisp_input_stream_info *stream_info =
5529             (struct atomisp_input_stream_info *)ffmt->reserved;
5530         u16 stream_index = ATOMISP_INPUT_STREAM_GENERAL;
5531         int source_pad = atomisp_subdev_source_pad(vdev);
5532         struct v4l2_subdev_fh fh;
5533         int ret;
5534
5535         v4l2_fh_init(&fh.vfh, vdev);
5536
5537         stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5538
5539         format = atomisp_get_format_bridge(pixelformat);
5540         if (!format)
5541                 return -EINVAL;
5542
5543         v4l2_fill_mbus_format(ffmt, &f->fmt.pix, format->mbus_code);
5544         ffmt->height += padding_h + dvs_env_h;
5545         ffmt->width += padding_w + dvs_env_w;
5546
5547         dev_dbg(isp->dev, "s_mbus_fmt: ask %ux%u (padding %ux%u, dvs %ux%u)\n",
5548                 ffmt->width, ffmt->height, padding_w, padding_h,
5549                 dvs_env_w, dvs_env_h);
5550
5551         __atomisp_init_stream_info(stream_index, stream_info);
5552
5553         req_ffmt = ffmt;
5554
5555         /* Disable dvs if resolution can't be supported by sensor */
5556         if (asd->params.video_dis_en &&
5557             source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5558                 vformat.which = V4L2_SUBDEV_FORMAT_TRY;
5559                 ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
5560                                        pad, set_fmt, &pad_cfg, &vformat);
5561                 if (ret)
5562                         return ret;
5563                 if (ffmt->width < req_ffmt->width ||
5564                     ffmt->height < req_ffmt->height) {
5565                         req_ffmt->height -= dvs_env_h;
5566                         req_ffmt->width -= dvs_env_w;
5567                         ffmt = req_ffmt;
5568                         dev_warn(isp->dev,
5569                                  "can not enable video dis due to sensor limitation.");
5570                         asd->params.video_dis_en = false;
5571                 }
5572         }
5573         dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5574                 ffmt->width, ffmt->height);
5575         vformat.which = V4L2_SUBDEV_FORMAT_ACTIVE;
5576         ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
5577                                set_fmt, NULL, &vformat);
5578         if (ret)
5579                 return ret;
5580
5581         __atomisp_update_stream_env(asd, stream_index, stream_info);
5582
5583         dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5584                 ffmt->width, ffmt->height);
5585
5586         if (ffmt->width < ATOM_ISP_STEP_WIDTH ||
5587             ffmt->height < ATOM_ISP_STEP_HEIGHT)
5588                 return -EINVAL;
5589
5590         if (asd->params.video_dis_en &&
5591             source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
5592             (ffmt->width < req_ffmt->width || ffmt->height < req_ffmt->height)) {
5593                 dev_warn(isp->dev,
5594                          "can not enable video dis due to sensor limitation.");
5595                 asd->params.video_dis_en = false;
5596         }
5597
5598         atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5599                                 V4L2_SUBDEV_FORMAT_ACTIVE,
5600                                 ATOMISP_SUBDEV_PAD_SINK, ffmt);
5601
5602         return css_input_resolution_changed(asd, ffmt);
5603 }
5604
5605 int atomisp_set_fmt(struct video_device *vdev, struct v4l2_format *f)
5606 {
5607         struct atomisp_device *isp = video_get_drvdata(vdev);
5608         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
5609         struct atomisp_sub_device *asd = pipe->asd;
5610         const struct atomisp_format_bridge *format_bridge;
5611         const struct atomisp_format_bridge *snr_format_bridge;
5612         struct ia_css_frame_info output_info, raw_output_info;
5613         struct v4l2_format snr_fmt = *f;
5614         struct v4l2_format backup_fmt = *f, s_fmt = *f;
5615         unsigned int dvs_env_w = 0, dvs_env_h = 0;
5616         unsigned int padding_w = pad_w, padding_h = pad_h;
5617         bool res_overflow = false, crop_needs_override = false;
5618         struct v4l2_mbus_framefmt *isp_sink_fmt;
5619         struct v4l2_mbus_framefmt isp_source_fmt = {0};
5620         struct v4l2_rect isp_sink_crop;
5621         u16 source_pad = atomisp_subdev_source_pad(vdev);
5622         struct v4l2_subdev_fh fh;
5623         int ret;
5624
5625         if (source_pad >= ATOMISP_SUBDEV_PADS_NUM)
5626                 return -EINVAL;
5627
5628         if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
5629                 dev_warn(isp->dev, "ISP does not support set format while at streaming!\n");
5630                 return -EBUSY;
5631         }
5632
5633         dev_dbg(isp->dev,
5634                 "setting resolution %ux%u on pad %u for asd%d, bytesperline %u\n",
5635                 f->fmt.pix.width, f->fmt.pix.height, source_pad,
5636                 asd->index, f->fmt.pix.bytesperline);
5637
5638         v4l2_fh_init(&fh.vfh, vdev);
5639
5640         format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
5641         if (!format_bridge)
5642                 return -EINVAL;
5643
5644         pipe->sh_fmt = format_bridge->sh_fmt;
5645         pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5646
5647         if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VF ||
5648             (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5649              && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)) {
5650                 if (asd->fmt_auto->val) {
5651                         struct v4l2_rect *capture_comp;
5652                         struct v4l2_rect r = {0};
5653
5654                         r.width = f->fmt.pix.width;
5655                         r.height = f->fmt.pix.height;
5656
5657                         if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW)
5658                                 capture_comp = atomisp_subdev_get_rect(
5659                                                    &asd->subdev, NULL,
5660                                                    V4L2_SUBDEV_FORMAT_ACTIVE,
5661                                                    ATOMISP_SUBDEV_PAD_SOURCE_VIDEO,
5662                                                    V4L2_SEL_TGT_COMPOSE);
5663                         else
5664                                 capture_comp = atomisp_subdev_get_rect(
5665                                                    &asd->subdev, NULL,
5666                                                    V4L2_SUBDEV_FORMAT_ACTIVE,
5667                                                    ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5668                                                    V4L2_SEL_TGT_COMPOSE);
5669
5670                         if (capture_comp->width < r.width
5671                             || capture_comp->height < r.height) {
5672                                 r.width = capture_comp->width;
5673                                 r.height = capture_comp->height;
5674                         }
5675
5676                         atomisp_subdev_set_selection(
5677                             &asd->subdev, fh.pad,
5678                             V4L2_SUBDEV_FORMAT_ACTIVE, source_pad,
5679                             V4L2_SEL_TGT_COMPOSE, 0, &r);
5680
5681                         f->fmt.pix.width = r.width;
5682                         f->fmt.pix.height = r.height;
5683                 }
5684
5685                 if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
5686                     (asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5687                     (asd->isp->inputs[asd->input_curr].camera_caps->
5688                      sensor[asd->sensor_curr].stream_num > 1)) {
5689                         /* For M10MO outputing YUV preview images. */
5690                         u16 video_index =
5691                             atomisp_source_pad_to_stream_id(asd,
5692                                                             ATOMISP_SUBDEV_PAD_SOURCE_VIDEO);
5693
5694                         ret = atomisp_css_copy_get_output_frame_info(asd,
5695                                 video_index, &output_info);
5696                         if (ret) {
5697                                 dev_err(isp->dev,
5698                                         "copy_get_output_frame_info ret %i", ret);
5699                                 return -EINVAL;
5700                         }
5701                         if (!asd->yuvpp_mode) {
5702                                 /*
5703                                  * If viewfinder was configured into copy_mode,
5704                                  * we switch to using yuvpp pipe instead.
5705                                  */
5706                                 asd->yuvpp_mode = true;
5707                                 ret = atomisp_css_copy_configure_output(
5708                                           asd, video_index, 0, 0, 0, 0);
5709                                 if (ret) {
5710                                         dev_err(isp->dev,
5711                                                 "failed to disable copy pipe");
5712                                         return -EINVAL;
5713                                 }
5714                                 ret = atomisp_css_yuvpp_configure_output(
5715                                           asd, video_index,
5716                                           output_info.res.width,
5717                                           output_info.res.height,
5718                                           output_info.padded_width,
5719                                           output_info.format);
5720                                 if (ret) {
5721                                         dev_err(isp->dev,
5722                                                 "failed to set up yuvpp pipe\n");
5723                                         return -EINVAL;
5724                                 }
5725                                 atomisp_css_video_enable_online(asd, false);
5726                                 atomisp_css_preview_enable_online(asd,
5727                                                                   ATOMISP_INPUT_STREAM_GENERAL, false);
5728                         }
5729                         atomisp_css_yuvpp_configure_viewfinder(asd, video_index,
5730                                                                f->fmt.pix.width, f->fmt.pix.height,
5731                                                                format_bridge->planar ? f->fmt.pix.bytesperline
5732                                                                : f->fmt.pix.bytesperline * 8
5733                                                                / format_bridge->depth, format_bridge->sh_fmt);
5734                         atomisp_css_yuvpp_get_viewfinder_frame_info(
5735                             asd, video_index, &output_info);
5736                 } else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5737                         atomisp_css_video_configure_viewfinder(asd,
5738                                                                f->fmt.pix.width, f->fmt.pix.height,
5739                                                                format_bridge->planar ? f->fmt.pix.bytesperline
5740                                                                : f->fmt.pix.bytesperline * 8
5741                                                                / format_bridge->depth,  format_bridge->sh_fmt);
5742                         atomisp_css_video_get_viewfinder_frame_info(asd,
5743                                 &output_info);
5744                         asd->copy_mode = false;
5745                 } else {
5746                         atomisp_css_capture_configure_viewfinder(asd,
5747                                 f->fmt.pix.width, f->fmt.pix.height,
5748                                 format_bridge->planar ? f->fmt.pix.bytesperline
5749                                 : f->fmt.pix.bytesperline * 8
5750                                 / format_bridge->depth, format_bridge->sh_fmt);
5751                         atomisp_css_capture_get_viewfinder_frame_info(asd,
5752                                 &output_info);
5753                         asd->copy_mode = false;
5754                 }
5755
5756                 goto done;
5757         }
5758         /*
5759          * Check whether main resolution configured smaller
5760          * than snapshot resolution. If so, force main resolution
5761          * to be the same as snapshot resolution
5762          */
5763         if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
5764                 struct v4l2_rect *r;
5765
5766                 r = atomisp_subdev_get_rect(
5767                         &asd->subdev, NULL,
5768                         V4L2_SUBDEV_FORMAT_ACTIVE,
5769                         ATOMISP_SUBDEV_PAD_SOURCE_VF, V4L2_SEL_TGT_COMPOSE);
5770
5771                 if (r->width && r->height
5772                     && (r->width > f->fmt.pix.width
5773                         || r->height > f->fmt.pix.height))
5774                         dev_warn(isp->dev,
5775                                  "Main Resolution config smaller then Vf Resolution. Force to be equal with Vf Resolution.");
5776         }
5777
5778         /* Pipeline configuration done through subdevs. Bail out now. */
5779         if (!asd->fmt_auto->val)
5780                 goto set_fmt_to_isp;
5781
5782         /* get sensor resolution and format */
5783         ret = atomisp_try_fmt(vdev, &snr_fmt, &res_overflow);
5784         if (ret) {
5785                 dev_warn(isp->dev, "Try format failed with error %d\n", ret);
5786                 return ret;
5787         }
5788         f->fmt.pix.width = snr_fmt.fmt.pix.width;
5789         f->fmt.pix.height = snr_fmt.fmt.pix.height;
5790
5791         snr_format_bridge =
5792             atomisp_get_format_bridge(snr_fmt.fmt.pix.pixelformat);
5793         if (!snr_format_bridge) {
5794                 dev_warn(isp->dev, "Can't find bridge format\n");
5795                 return -EINVAL;
5796         }
5797
5798         atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5799                                 V4L2_SUBDEV_FORMAT_ACTIVE,
5800                                 ATOMISP_SUBDEV_PAD_SINK)->code =
5801                                     snr_format_bridge->mbus_code;
5802
5803         isp_sink_fmt = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5804                                                 V4L2_SUBDEV_FORMAT_ACTIVE,
5805                                                 ATOMISP_SUBDEV_PAD_SINK);
5806
5807         isp_source_fmt.code = format_bridge->mbus_code;
5808         atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5809                                 V4L2_SUBDEV_FORMAT_ACTIVE,
5810                                 source_pad, &isp_source_fmt);
5811
5812         if (!atomisp_subdev_format_conversion(asd, source_pad)) {
5813                 padding_w = 0;
5814                 padding_h = 0;
5815         } else if (IS_BYT) {
5816                 padding_w = 12;
5817                 padding_h = 12;
5818         }
5819
5820         /* construct resolution supported by isp */
5821         if (res_overflow && !asd->continuous_mode->val) {
5822                 f->fmt.pix.width = rounddown(
5823                                        clamp_t(u32, f->fmt.pix.width - padding_w,
5824                                                ATOM_ISP_MIN_WIDTH,
5825                                                ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
5826                 f->fmt.pix.height = rounddown(
5827                                         clamp_t(u32, f->fmt.pix.height - padding_h,
5828                                                 ATOM_ISP_MIN_HEIGHT,
5829                                                 ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
5830         }
5831
5832         atomisp_get_dis_envelop(asd, f->fmt.pix.width, f->fmt.pix.height,
5833                                 &dvs_env_w, &dvs_env_h);
5834
5835         if (asd->continuous_mode->val) {
5836                 struct v4l2_rect *r;
5837
5838                 r = atomisp_subdev_get_rect(
5839                         &asd->subdev, NULL,
5840                         V4L2_SUBDEV_FORMAT_ACTIVE,
5841                         ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5842                         V4L2_SEL_TGT_COMPOSE);
5843                 /*
5844                  * The ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE should get resolutions
5845                  * properly set otherwise, it should not be the capture_pad.
5846                  */
5847                 if (r->width && r->height)
5848                         asd->capture_pad = ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE;
5849                 else
5850                         asd->capture_pad = source_pad;
5851         } else {
5852                 asd->capture_pad = source_pad;
5853         }
5854         /*
5855          * set format info to sensor
5856          * In continuous mode, resolution is set only if it is higher than
5857          * existing value. This because preview pipe will be configured after
5858          * capture pipe and usually has lower resolution than capture pipe.
5859          */
5860         if (!asd->continuous_mode->val ||
5861             isp_sink_fmt->width < (f->fmt.pix.width + padding_w + dvs_env_w) ||
5862             isp_sink_fmt->height < (f->fmt.pix.height + padding_h +
5863                                     dvs_env_h)) {
5864                 /*
5865                  * For jpeg or custom raw format the sensor will return constant
5866                  * width and height. Because we already had quried try_mbus_fmt,
5867                  * f->fmt.pix.width and f->fmt.pix.height has been changed to
5868                  * this fixed width and height. So we cannot select the correct
5869                  * resolution with that information. So use the original width
5870                  * and height while set_mbus_fmt() so actual resolutions are
5871                  * being used in while set media bus format.
5872                  */
5873                 s_fmt = *f;
5874                 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
5875                     f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
5876                         s_fmt.fmt.pix.width = backup_fmt.fmt.pix.width;
5877                         s_fmt.fmt.pix.height = backup_fmt.fmt.pix.height;
5878                 }
5879                 ret = atomisp_set_fmt_to_snr(vdev, &s_fmt,
5880                                              f->fmt.pix.pixelformat, padding_w,
5881                                              padding_h, dvs_env_w, dvs_env_h);
5882                 if (ret) {
5883                         dev_warn(isp->dev,
5884                                  "Set format to sensor failed with %d\n", ret);
5885                         return -EINVAL;
5886                 }
5887
5888                 atomisp_csi_lane_config(isp);
5889                 crop_needs_override = true;
5890         }
5891
5892         atomisp_check_copy_mode(asd, source_pad, &backup_fmt);
5893         asd->yuvpp_mode = false;                        /* Reset variable */
5894
5895         isp_sink_crop = *atomisp_subdev_get_rect(&asd->subdev, NULL,
5896                         V4L2_SUBDEV_FORMAT_ACTIVE,
5897                         ATOMISP_SUBDEV_PAD_SINK,
5898                         V4L2_SEL_TGT_CROP);
5899
5900         /* Try to enable YUV downscaling if ISP input is 10 % (either
5901          * width or height) bigger than the desired result. */
5902         if (isp_sink_crop.width * 9 / 10 < f->fmt.pix.width ||
5903             isp_sink_crop.height * 9 / 10 < f->fmt.pix.height ||
5904             (atomisp_subdev_format_conversion(asd, source_pad) &&
5905              ((asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
5906                !asd->continuous_mode->val) ||
5907               asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER))) {
5908                 /* for continuous mode, preview size might be smaller than
5909                  * still capture size. if preview size still needs crop,
5910                  * pick the larger one between crop size of preview and
5911                  * still capture.
5912                  */
5913                 if (asd->continuous_mode->val
5914                     && source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5915                     && !crop_needs_override) {
5916                         isp_sink_crop.width =
5917                             max_t(unsigned int, f->fmt.pix.width,
5918                                   isp_sink_crop.width);
5919                         isp_sink_crop.height =
5920                             max_t(unsigned int, f->fmt.pix.height,
5921                                   isp_sink_crop.height);
5922                 } else {
5923                         isp_sink_crop.width = f->fmt.pix.width;
5924                         isp_sink_crop.height = f->fmt.pix.height;
5925                 }
5926
5927                 atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5928                                              V4L2_SUBDEV_FORMAT_ACTIVE,
5929                                              ATOMISP_SUBDEV_PAD_SINK,
5930                                              V4L2_SEL_TGT_CROP,
5931                                              V4L2_SEL_FLAG_KEEP_CONFIG,
5932                                              &isp_sink_crop);
5933                 atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5934                                              V4L2_SUBDEV_FORMAT_ACTIVE,
5935                                              source_pad, V4L2_SEL_TGT_COMPOSE,
5936                                              0, &isp_sink_crop);
5937         } else if (IS_MOFD) {
5938                 struct v4l2_rect main_compose = {0};
5939
5940                 main_compose.width = isp_sink_crop.width;
5941                 main_compose.height =
5942                     DIV_ROUND_UP(main_compose.width * f->fmt.pix.height,
5943                                  f->fmt.pix.width);
5944                 if (main_compose.height > isp_sink_crop.height) {
5945                         main_compose.height = isp_sink_crop.height;
5946                         main_compose.width =
5947                             DIV_ROUND_UP(main_compose.height *
5948                                          f->fmt.pix.width,
5949                                          f->fmt.pix.height);
5950                 }
5951
5952                 atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5953                                              V4L2_SUBDEV_FORMAT_ACTIVE,
5954                                              source_pad,
5955                                              V4L2_SEL_TGT_COMPOSE, 0,
5956                                              &main_compose);
5957         } else {
5958                 struct v4l2_rect sink_crop = {0};
5959                 struct v4l2_rect main_compose = {0};
5960
5961                 main_compose.width = f->fmt.pix.width;
5962                 main_compose.height = f->fmt.pix.height;
5963
5964                 /* WORKAROUND: this override is universally enabled in
5965                  * GMIN to work around a CTS failures (GMINL-539)
5966                  * which appears to be related by a hardware
5967                  * performance limitation.  It's unclear why this
5968                  * particular code triggers the issue. */
5969                 if (!IS_ISP2401 || crop_needs_override) {
5970                         if (isp_sink_crop.width * main_compose.height >
5971                             isp_sink_crop.height * main_compose.width) {
5972                                 sink_crop.height = isp_sink_crop.height;
5973                                 sink_crop.width = DIV_NEAREST_STEP(
5974                                                       sink_crop.height *
5975                                                       f->fmt.pix.width,
5976                                                       f->fmt.pix.height,
5977                                                       ATOM_ISP_STEP_WIDTH);
5978                         } else {
5979                                 sink_crop.width = isp_sink_crop.width;
5980                                 sink_crop.height = DIV_NEAREST_STEP(
5981                                                        sink_crop.width *
5982                                                        f->fmt.pix.height,
5983                                                        f->fmt.pix.width,
5984                                                        ATOM_ISP_STEP_HEIGHT);
5985                         }
5986                         atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5987                                                      V4L2_SUBDEV_FORMAT_ACTIVE,
5988                                                      ATOMISP_SUBDEV_PAD_SINK,
5989                                                      V4L2_SEL_TGT_CROP,
5990                                                      V4L2_SEL_FLAG_KEEP_CONFIG,
5991                                                      &sink_crop);
5992                 }
5993                 atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5994                                              V4L2_SUBDEV_FORMAT_ACTIVE,
5995                                              source_pad,
5996                                              V4L2_SEL_TGT_COMPOSE, 0,
5997                                              &main_compose);
5998         }
5999
6000 set_fmt_to_isp:
6001         ret = atomisp_set_fmt_to_isp(vdev, &output_info, &raw_output_info,
6002                                      &f->fmt.pix, source_pad);
6003         if (ret) {
6004                 dev_warn(isp->dev, "Can't set format on ISP. Error %d\n", ret);
6005                 return -EINVAL;
6006         }
6007 done:
6008         pipe->pix.width = f->fmt.pix.width;
6009         pipe->pix.height = f->fmt.pix.height;
6010         pipe->pix.pixelformat = f->fmt.pix.pixelformat;
6011         if (format_bridge->planar) {
6012                 pipe->pix.bytesperline = output_info.padded_width;
6013                 pipe->pix.sizeimage = PAGE_ALIGN(f->fmt.pix.height *
6014                                                  DIV_ROUND_UP(format_bridge->depth *
6015                                                          output_info.padded_width, 8));
6016         } else {
6017                 pipe->pix.bytesperline =
6018                     DIV_ROUND_UP(format_bridge->depth *
6019                                  output_info.padded_width, 8);
6020                 pipe->pix.sizeimage =
6021                     PAGE_ALIGN(f->fmt.pix.height * pipe->pix.bytesperline);
6022         }
6023         dev_dbg(isp->dev, "%s: image size: %d, %d bytes per line\n",
6024                 __func__, pipe->pix.sizeimage, pipe->pix.bytesperline);
6025
6026         if (f->fmt.pix.field == V4L2_FIELD_ANY)
6027                 f->fmt.pix.field = V4L2_FIELD_NONE;
6028         pipe->pix.field = f->fmt.pix.field;
6029
6030         f->fmt.pix = pipe->pix;
6031         f->fmt.pix.priv = PAGE_ALIGN(pipe->pix.width *
6032                                      pipe->pix.height * 2);
6033
6034         pipe->capq.field = f->fmt.pix.field;
6035
6036         /*
6037          * If in video 480P case, no GFX throttle
6038          */
6039         if (asd->run_mode->val == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
6040             f->fmt.pix.width == 720 && f->fmt.pix.height == 480)
6041                 isp->need_gfx_throttle = false;
6042         else
6043                 isp->need_gfx_throttle = true;
6044
6045         return 0;
6046 }
6047
6048 int atomisp_set_fmt_file(struct video_device *vdev, struct v4l2_format *f)
6049 {
6050         struct atomisp_device *isp = video_get_drvdata(vdev);
6051         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6052         struct atomisp_sub_device *asd = pipe->asd;
6053         struct v4l2_mbus_framefmt ffmt = {0};
6054         const struct atomisp_format_bridge *format_bridge;
6055         struct v4l2_subdev_fh fh;
6056         int ret;
6057
6058         v4l2_fh_init(&fh.vfh, vdev);
6059
6060         dev_dbg(isp->dev, "setting fmt %ux%u 0x%x for file inject\n",
6061                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.pixelformat);
6062         ret = atomisp_try_fmt_file(isp, f);
6063         if (ret) {
6064                 dev_err(isp->dev, "atomisp_try_fmt_file err: %d\n", ret);
6065                 return ret;
6066         }
6067
6068         format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
6069         if (!format_bridge) {
6070                 dev_dbg(isp->dev, "atomisp_get_format_bridge err! fmt:0x%x\n",
6071                         f->fmt.pix.pixelformat);
6072                 return -EINVAL;
6073         }
6074
6075         pipe->pix = f->fmt.pix;
6076         atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_FIFO);
6077         atomisp_css_input_configure_port(asd,
6078                                          __get_mipi_port(isp, ATOMISP_CAMERA_PORT_PRIMARY), 2, 0xffff4,
6079                                          0, 0, 0, 0);
6080         ffmt.width = f->fmt.pix.width;
6081         ffmt.height = f->fmt.pix.height;
6082         ffmt.code = format_bridge->mbus_code;
6083
6084         atomisp_subdev_set_ffmt(&asd->subdev, fh.pad, V4L2_SUBDEV_FORMAT_ACTIVE,
6085                                 ATOMISP_SUBDEV_PAD_SINK, &ffmt);
6086
6087         return 0;
6088 }
6089
6090 int atomisp_set_shading_table(struct atomisp_sub_device *asd,
6091                               struct atomisp_shading_table *user_shading_table)
6092 {
6093         struct ia_css_shading_table *shading_table;
6094         struct ia_css_shading_table *free_table;
6095         unsigned int len_table;
6096         int i;
6097         int ret = 0;
6098
6099         if (!user_shading_table)
6100                 return -EINVAL;
6101
6102         if (!user_shading_table->enable) {
6103                 asd->params.config.shading_table = NULL;
6104                 asd->params.sc_en = false;
6105                 return 0;
6106         }
6107
6108         /* If enabling, all tables must be set */
6109         for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6110                 if (!user_shading_table->data[i])
6111                         return -EINVAL;
6112         }
6113
6114         /* Shading table size per color */
6115         if (!IS_ISP2401) {
6116                 if (user_shading_table->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6117                     user_shading_table->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6118                         return -EINVAL;
6119         } else {
6120                 if (user_shading_table->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6121                     user_shading_table->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6122                         return -EINVAL;
6123         }
6124
6125         shading_table = atomisp_css_shading_table_alloc(
6126                             user_shading_table->width, user_shading_table->height);
6127         if (!shading_table)
6128                 return -ENOMEM;
6129
6130         len_table = user_shading_table->width * user_shading_table->height *
6131                     ATOMISP_SC_TYPE_SIZE;
6132         for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6133                 ret = copy_from_user(shading_table->data[i],
6134                                      (void __user *)user_shading_table->data[i],
6135                                      len_table);
6136                 if (ret) {
6137                         free_table = shading_table;
6138                         ret = -EFAULT;
6139                         goto out;
6140                 }
6141         }
6142         shading_table->sensor_width = user_shading_table->sensor_width;
6143         shading_table->sensor_height = user_shading_table->sensor_height;
6144         shading_table->fraction_bits = user_shading_table->fraction_bits;
6145
6146         free_table = asd->params.css_param.shading_table;
6147         asd->params.css_param.shading_table = shading_table;
6148         asd->params.config.shading_table = shading_table;
6149         asd->params.sc_en = true;
6150
6151 out:
6152         if (free_table)
6153                 atomisp_css_shading_table_free(free_table);
6154
6155         return ret;
6156 }
6157
6158 /*Turn off ISP dphy */
6159 int atomisp_ospm_dphy_down(struct atomisp_device *isp)
6160 {
6161         unsigned long flags;
6162         u32 reg;
6163
6164         dev_dbg(isp->dev, "%s\n", __func__);
6165
6166         /* if ISP timeout, we can force powerdown */
6167         if (isp->isp_timeout)
6168                 goto done;
6169
6170         if (!atomisp_dev_users(isp))
6171                 goto done;
6172
6173         spin_lock_irqsave(&isp->lock, flags);
6174         isp->sw_contex.power_state = ATOM_ISP_POWER_DOWN;
6175         spin_unlock_irqrestore(&isp->lock, flags);
6176 done:
6177         /*
6178          * MRFLD IUNIT DPHY is located in an always-power-on island
6179          * MRFLD HW design need all CSI ports are disabled before
6180          * powering down the IUNIT.
6181          */
6182         pci_read_config_dword(isp->pdev, MRFLD_PCI_CSI_CONTROL, &reg);
6183         reg |= MRFLD_ALL_CSI_PORTS_OFF_MASK;
6184         pci_write_config_dword(isp->pdev, MRFLD_PCI_CSI_CONTROL, reg);
6185         return 0;
6186 }
6187
6188 /*Turn on ISP dphy */
6189 int atomisp_ospm_dphy_up(struct atomisp_device *isp)
6190 {
6191         unsigned long flags;
6192
6193         dev_dbg(isp->dev, "%s\n", __func__);
6194
6195         spin_lock_irqsave(&isp->lock, flags);
6196         isp->sw_contex.power_state = ATOM_ISP_POWER_UP;
6197         spin_unlock_irqrestore(&isp->lock, flags);
6198
6199         return 0;
6200 }
6201
6202 int atomisp_exif_makernote(struct atomisp_sub_device *asd,
6203                            struct atomisp_makernote_info *config)
6204 {
6205         struct v4l2_control ctrl;
6206         struct atomisp_device *isp = asd->isp;
6207
6208         ctrl.id = V4L2_CID_FOCAL_ABSOLUTE;
6209         if (v4l2_g_ctrl
6210             (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6211                 dev_warn(isp->dev, "failed to g_ctrl for focal length\n");
6212                 return -EINVAL;
6213         } else {
6214                 config->focal_length = ctrl.value;
6215         }
6216
6217         ctrl.id = V4L2_CID_FNUMBER_ABSOLUTE;
6218         if (v4l2_g_ctrl
6219             (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6220                 dev_warn(isp->dev, "failed to g_ctrl for f-number\n");
6221                 return -EINVAL;
6222         } else {
6223                 config->f_number_curr = ctrl.value;
6224         }
6225
6226         ctrl.id = V4L2_CID_FNUMBER_RANGE;
6227         if (v4l2_g_ctrl
6228             (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6229                 dev_warn(isp->dev, "failed to g_ctrl for f number range\n");
6230                 return -EINVAL;
6231         } else {
6232                 config->f_number_range = ctrl.value;
6233         }
6234
6235         return 0;
6236 }
6237
6238 int atomisp_offline_capture_configure(struct atomisp_sub_device *asd,
6239                                       struct atomisp_cont_capture_conf *cvf_config)
6240 {
6241         struct v4l2_ctrl *c;
6242
6243         /*
6244         * In case of M10MO ZSL capture case, we need to issue a separate
6245         * capture request to M10MO which will output captured jpeg image
6246         */
6247         c = v4l2_ctrl_find(
6248                 asd->isp->inputs[asd->input_curr].camera->ctrl_handler,
6249                 V4L2_CID_START_ZSL_CAPTURE);
6250         if (c) {
6251                 int ret;
6252
6253                 dev_dbg(asd->isp->dev, "%s trigger ZSL capture request\n",
6254                         __func__);
6255                 /* TODO: use the cvf_config */
6256                 ret = v4l2_ctrl_s_ctrl(c, 1);
6257                 if (ret)
6258                         return ret;
6259
6260                 return v4l2_ctrl_s_ctrl(c, 0);
6261         }
6262
6263         asd->params.offline_parm = *cvf_config;
6264
6265         if (asd->params.offline_parm.num_captures) {
6266                 if (asd->streaming == ATOMISP_DEVICE_STREAMING_DISABLED) {
6267                         unsigned int init_raw_num;
6268
6269                         if (asd->enable_raw_buffer_lock->val) {
6270                                 init_raw_num =
6271                                     ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES_LOCK_EN;
6272                                 if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6273                                     asd->params.video_dis_en)
6274                                         init_raw_num +=
6275                                             ATOMISP_CSS2_NUM_DVS_FRAME_DELAY;
6276                         } else {
6277                                 init_raw_num =
6278                                     ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES;
6279                         }
6280
6281                         /* TODO: this can be removed once user-space
6282                          *       has been updated to use control API */
6283                         asd->continuous_raw_buffer_size->val =
6284                             max_t(int,
6285                                   asd->continuous_raw_buffer_size->val,
6286                                   asd->params.offline_parm.
6287                                   num_captures + init_raw_num);
6288                         asd->continuous_raw_buffer_size->val =
6289                             min_t(int, ATOMISP_CONT_RAW_FRAMES,
6290                                   asd->continuous_raw_buffer_size->val);
6291                 }
6292                 asd->continuous_mode->val = true;
6293         } else {
6294                 asd->continuous_mode->val = false;
6295                 __enable_continuous_mode(asd, false);
6296         }
6297
6298         return 0;
6299 }
6300
6301 /*
6302  * set auto exposure metering window to camera sensor
6303  */
6304 int atomisp_s_ae_window(struct atomisp_sub_device *asd,
6305                         struct atomisp_ae_window *arg)
6306 {
6307         struct atomisp_device *isp = asd->isp;
6308         /* Coverity CID 298071 - initialzize struct */
6309         struct v4l2_subdev_selection sel = { 0 };
6310
6311         sel.r.left = arg->x_left;
6312         sel.r.top = arg->y_top;
6313         sel.r.width = arg->x_right - arg->x_left + 1;
6314         sel.r.height = arg->y_bottom - arg->y_top + 1;
6315
6316         if (v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
6317                              pad, set_selection, NULL, &sel)) {
6318                 dev_err(isp->dev, "failed to call sensor set_selection.\n");
6319                 return -EINVAL;
6320         }
6321
6322         return 0;
6323 }
6324
6325 int atomisp_flash_enable(struct atomisp_sub_device *asd, int num_frames)
6326 {
6327         struct atomisp_device *isp = asd->isp;
6328
6329         if (num_frames < 0) {
6330                 dev_dbg(isp->dev, "%s ERROR: num_frames: %d\n", __func__,
6331                         num_frames);
6332                 return -EINVAL;
6333         }
6334         /* a requested flash is still in progress. */
6335         if (num_frames && asd->params.flash_state != ATOMISP_FLASH_IDLE) {
6336                 dev_dbg(isp->dev, "%s flash busy: %d frames left: %d\n",
6337                         __func__, asd->params.flash_state,
6338                         asd->params.num_flash_frames);
6339                 return -EBUSY;
6340         }
6341
6342         asd->params.num_flash_frames = num_frames;
6343         asd->params.flash_state = ATOMISP_FLASH_REQUESTED;
6344         return 0;
6345 }
6346
6347 int atomisp_source_pad_to_stream_id(struct atomisp_sub_device *asd,
6348                                     uint16_t source_pad)
6349 {
6350         int stream_id;
6351         struct atomisp_device *isp = asd->isp;
6352
6353         if (isp->inputs[asd->input_curr].camera_caps->
6354             sensor[asd->sensor_curr].stream_num == 1)
6355                 return ATOMISP_INPUT_STREAM_GENERAL;
6356
6357         switch (source_pad) {
6358         case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE:
6359                 stream_id = ATOMISP_INPUT_STREAM_CAPTURE;
6360                 break;
6361         case ATOMISP_SUBDEV_PAD_SOURCE_VF:
6362                 stream_id = ATOMISP_INPUT_STREAM_POSTVIEW;
6363                 break;
6364         case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW:
6365                 stream_id = ATOMISP_INPUT_STREAM_PREVIEW;
6366                 break;
6367         case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO:
6368                 stream_id = ATOMISP_INPUT_STREAM_VIDEO;
6369                 break;
6370         default:
6371                 stream_id = ATOMISP_INPUT_STREAM_GENERAL;
6372         }
6373
6374         return stream_id;
6375 }
6376
6377 bool atomisp_is_vf_pipe(struct atomisp_video_pipe *pipe)
6378 {
6379         struct atomisp_sub_device *asd = pipe->asd;
6380
6381         if (pipe == &asd->video_out_vf)
6382                 return true;
6383
6384         if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6385             pipe == &asd->video_out_preview)
6386                 return true;
6387
6388         return false;
6389 }
6390
6391 static int __checking_exp_id(struct atomisp_sub_device *asd, int exp_id)
6392 {
6393         struct atomisp_device *isp = asd->isp;
6394
6395         if (!asd->enable_raw_buffer_lock->val) {
6396                 dev_warn(isp->dev, "%s Raw Buffer Lock is disable.\n", __func__);
6397                 return -EINVAL;
6398         }
6399         if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED) {
6400                 dev_err(isp->dev, "%s streaming %d invalid exp_id %d.\n",
6401                         __func__, exp_id, asd->streaming);
6402                 return -EINVAL;
6403         }
6404         if ((exp_id > ATOMISP_MAX_EXP_ID) || (exp_id <= 0)) {
6405                 dev_err(isp->dev, "%s exp_id %d invalid.\n", __func__, exp_id);
6406                 return -EINVAL;
6407         }
6408         return 0;
6409 }
6410
6411 void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd)
6412 {
6413         unsigned long flags;
6414
6415         spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6416         memset(asd->raw_buffer_bitmap, 0, sizeof(asd->raw_buffer_bitmap));
6417         asd->raw_buffer_locked_count = 0;
6418         spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6419 }
6420
6421 int atomisp_set_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6422 {
6423         int *bitmap, bit;
6424         unsigned long flags;
6425
6426         if (__checking_exp_id(asd, exp_id))
6427                 return -EINVAL;
6428
6429         bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6430         bit = exp_id % 32;
6431         spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6432         (*bitmap) |= (1 << bit);
6433         asd->raw_buffer_locked_count++;
6434         spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6435
6436         dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6437                 __func__, exp_id, asd->raw_buffer_locked_count);
6438
6439         /* Check if the raw buffer after next is still locked!!! */
6440         exp_id += 2;
6441         if (exp_id > ATOMISP_MAX_EXP_ID)
6442                 exp_id -= ATOMISP_MAX_EXP_ID;
6443         bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6444         bit = exp_id % 32;
6445         if ((*bitmap) & (1 << bit)) {
6446                 int ret;
6447
6448                 /* WORKAROUND unlock the raw buffer compulsively */
6449                 ret = atomisp_css_exp_id_unlock(asd, exp_id);
6450                 if (ret) {
6451                         dev_err(asd->isp->dev,
6452                                 "%s exp_id is wrapping back to %d but force unlock failed,, err %d.\n",
6453                                 __func__, exp_id, ret);
6454                         return ret;
6455                 }
6456
6457                 spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6458                 (*bitmap) &= ~(1 << bit);
6459                 asd->raw_buffer_locked_count--;
6460                 spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6461                 dev_warn(asd->isp->dev,
6462                          "%s exp_id is wrapping back to %d but it is still locked so force unlock it, raw_buffer_locked_count %d\n",
6463                          __func__, exp_id, asd->raw_buffer_locked_count);
6464         }
6465         return 0;
6466 }
6467
6468 static int __is_raw_buffer_locked(struct atomisp_sub_device *asd, int exp_id)
6469 {
6470         int *bitmap, bit;
6471         unsigned long flags;
6472         int ret;
6473
6474         if (__checking_exp_id(asd, exp_id))
6475                 return -EINVAL;
6476
6477         bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6478         bit = exp_id % 32;
6479         spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6480         ret = ((*bitmap) & (1 << bit));
6481         spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6482         return !ret;
6483 }
6484
6485 static int __clear_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6486 {
6487         int *bitmap, bit;
6488         unsigned long flags;
6489
6490         if (__is_raw_buffer_locked(asd, exp_id))
6491                 return -EINVAL;
6492
6493         bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6494         bit = exp_id % 32;
6495         spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6496         (*bitmap) &= ~(1 << bit);
6497         asd->raw_buffer_locked_count--;
6498         spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6499
6500         dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6501                 __func__, exp_id, asd->raw_buffer_locked_count);
6502         return 0;
6503 }
6504
6505 int atomisp_exp_id_capture(struct atomisp_sub_device *asd, int *exp_id)
6506 {
6507         struct atomisp_device *isp = asd->isp;
6508         int value = *exp_id;
6509         int ret;
6510
6511         ret = __is_raw_buffer_locked(asd, value);
6512         if (ret) {
6513                 dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6514                 return -EINVAL;
6515         }
6516
6517         dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6518         ret = atomisp_css_exp_id_capture(asd, value);
6519         if (ret) {
6520                 dev_err(isp->dev, "%s exp_id %d failed.\n", __func__, value);
6521                 return -EIO;
6522         }
6523         return 0;
6524 }
6525
6526 int atomisp_exp_id_unlock(struct atomisp_sub_device *asd, int *exp_id)
6527 {
6528         struct atomisp_device *isp = asd->isp;
6529         int value = *exp_id;
6530         int ret;
6531
6532         ret = __clear_raw_buffer_bitmap(asd, value);
6533         if (ret) {
6534                 dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6535                 return -EINVAL;
6536         }
6537
6538         dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6539         ret = atomisp_css_exp_id_unlock(asd, value);
6540         if (ret)
6541                 dev_err(isp->dev, "%s exp_id %d failed, err %d.\n",
6542                         __func__, value, ret);
6543
6544         return ret;
6545 }
6546
6547 int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
6548                                 unsigned int *enable)
6549 {
6550         bool value;
6551
6552         if (!enable)
6553                 return -EINVAL;
6554
6555         value = *enable > 0 ? true : false;
6556
6557         atomisp_en_dz_capt_pipe(asd, value);
6558
6559         return 0;
6560 }
6561
6562 int atomisp_inject_a_fake_event(struct atomisp_sub_device *asd, int *event)
6563 {
6564         if (!event || asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
6565                 return -EINVAL;
6566
6567         dev_dbg(asd->isp->dev, "%s: trying to inject a fake event 0x%x\n",
6568                 __func__, *event);
6569
6570         switch (*event) {
6571         case V4L2_EVENT_FRAME_SYNC:
6572                 atomisp_sof_event(asd);
6573                 break;
6574         case V4L2_EVENT_FRAME_END:
6575                 atomisp_eof_event(asd, 0);
6576                 break;
6577         case V4L2_EVENT_ATOMISP_3A_STATS_READY:
6578                 atomisp_3a_stats_ready_event(asd, 0);
6579                 break;
6580         case V4L2_EVENT_ATOMISP_METADATA_READY:
6581                 atomisp_metadata_ready_event(asd, 0);
6582                 break;
6583         default:
6584                 return -EINVAL;
6585         }
6586
6587         return 0;
6588 }
6589
6590 static int atomisp_get_pipe_id(struct atomisp_video_pipe *pipe)
6591 {
6592         struct atomisp_sub_device *asd = pipe->asd;
6593
6594         if (ATOMISP_USE_YUVPP(asd))
6595                 return IA_CSS_PIPE_ID_YUVPP;
6596         else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER)
6597                 return IA_CSS_PIPE_ID_VIDEO;
6598         else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT)
6599                 return IA_CSS_PIPE_ID_CAPTURE;
6600         else if (pipe == &asd->video_out_video_capture)
6601                 return IA_CSS_PIPE_ID_VIDEO;
6602         else if (pipe == &asd->video_out_vf)
6603                 return IA_CSS_PIPE_ID_CAPTURE;
6604         else if (pipe == &asd->video_out_preview) {
6605                 if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
6606                         return IA_CSS_PIPE_ID_VIDEO;
6607                 else
6608                         return IA_CSS_PIPE_ID_PREVIEW;
6609         } else if (pipe == &asd->video_out_capture) {
6610                 if (asd->copy_mode)
6611                         return IA_CSS_PIPE_ID_COPY;
6612                 else
6613                         return IA_CSS_PIPE_ID_CAPTURE;
6614         }
6615
6616         /* fail through */
6617         dev_warn(asd->isp->dev, "%s failed to find proper pipe\n",
6618                  __func__);
6619         return IA_CSS_PIPE_ID_CAPTURE;
6620 }
6621
6622 int atomisp_get_invalid_frame_num(struct video_device *vdev,
6623                                   int *invalid_frame_num)
6624 {
6625         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6626         struct atomisp_sub_device *asd = pipe->asd;
6627         enum ia_css_pipe_id pipe_id;
6628         struct ia_css_pipe_info p_info;
6629         int ret;
6630
6631         if (asd->isp->inputs[asd->input_curr].camera_caps->
6632             sensor[asd->sensor_curr].stream_num > 1) {
6633                 /* External ISP */
6634                 *invalid_frame_num = 0;
6635                 return 0;
6636         }
6637
6638         pipe_id = atomisp_get_pipe_id(pipe);
6639         if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipes[pipe_id]) {
6640                 dev_warn(asd->isp->dev,
6641                          "%s pipe %d has not been created yet, do SET_FMT first!\n",
6642                          __func__, pipe_id);
6643                 return -EINVAL;
6644         }
6645
6646         ret = ia_css_pipe_get_info(
6647                   asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
6648                   .pipes[pipe_id], &p_info);
6649         if (!ret) {
6650                 *invalid_frame_num = p_info.num_invalid_frames;
6651                 return 0;
6652         } else {
6653                 dev_warn(asd->isp->dev, "%s get pipe infor failed %d\n",
6654                          __func__, ret);
6655                 return -EINVAL;
6656         }
6657 }