Merge tag 'core-entry-2024-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-microblaze.git] / drivers / media / i2c / adv7180.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * adv7180.c Analog Devices ADV7180 video decoder driver
4  * Copyright (c) 2009 Intel Corporation
5  * Copyright (C) 2013 Cogent Embedded, Inc.
6  * Copyright (C) 2013 Renesas Solutions Corp.
7  */
8 #include <linux/mod_devicetable.h>
9 #include <linux/module.h>
10 #include <linux/init.h>
11 #include <linux/errno.h>
12 #include <linux/kernel.h>
13 #include <linux/interrupt.h>
14 #include <linux/i2c.h>
15 #include <linux/slab.h>
16 #include <linux/of.h>
17 #include <linux/gpio/consumer.h>
18 #include <linux/videodev2.h>
19 #include <media/v4l2-ioctl.h>
20 #include <media/v4l2-event.h>
21 #include <media/v4l2-device.h>
22 #include <media/v4l2-ctrls.h>
23 #include <linux/mutex.h>
24 #include <linux/delay.h>
25
26 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM              0x0
27 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED          0x1
28 #define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM               0x2
29 #define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM               0x3
30 #define ADV7180_STD_NTSC_J                              0x4
31 #define ADV7180_STD_NTSC_M                              0x5
32 #define ADV7180_STD_PAL60                               0x6
33 #define ADV7180_STD_NTSC_443                            0x7
34 #define ADV7180_STD_PAL_BG                              0x8
35 #define ADV7180_STD_PAL_N                               0x9
36 #define ADV7180_STD_PAL_M                               0xa
37 #define ADV7180_STD_PAL_M_PED                           0xb
38 #define ADV7180_STD_PAL_COMB_N                          0xc
39 #define ADV7180_STD_PAL_COMB_N_PED                      0xd
40 #define ADV7180_STD_PAL_SECAM                           0xe
41 #define ADV7180_STD_PAL_SECAM_PED                       0xf
42
43 #define ADV7180_REG_INPUT_CONTROL                       0x0000
44 #define ADV7180_INPUT_CONTROL_INSEL_MASK                0x0f
45
46 #define ADV7182_REG_INPUT_VIDSEL                        0x0002
47 #define ADV7182_REG_INPUT_RESERVED                      BIT(2)
48
49 #define ADV7180_REG_OUTPUT_CONTROL                      0x0003
50 #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL             0x0004
51 #define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS         0xC5
52
53 #define ADV7180_REG_AUTODETECT_ENABLE                   0x0007
54 #define ADV7180_AUTODETECT_DEFAULT                      0x7f
55 /* Contrast */
56 #define ADV7180_REG_CON         0x0008  /*Unsigned */
57 #define ADV7180_CON_MIN         0
58 #define ADV7180_CON_DEF         128
59 #define ADV7180_CON_MAX         255
60 /* Brightness*/
61 #define ADV7180_REG_BRI         0x000a  /*Signed */
62 #define ADV7180_BRI_MIN         -128
63 #define ADV7180_BRI_DEF         0
64 #define ADV7180_BRI_MAX         127
65 /* Hue */
66 #define ADV7180_REG_HUE         0x000b  /*Signed, inverted */
67 #define ADV7180_HUE_MIN         -127
68 #define ADV7180_HUE_DEF         0
69 #define ADV7180_HUE_MAX         128
70
71 #define ADV7180_REG_DEF_VALUE_Y 0x000c
72 #define ADV7180_DEF_VAL_EN              0x1
73 #define ADV7180_DEF_VAL_AUTO_EN 0x2
74 #define ADV7180_REG_CTRL                0x000e
75 #define ADV7180_CTRL_IRQ_SPACE          0x20
76
77 #define ADV7180_REG_PWR_MAN             0x0f
78 #define ADV7180_PWR_MAN_ON              0x04
79 #define ADV7180_PWR_MAN_OFF             0x24
80 #define ADV7180_PWR_MAN_RES             0x80
81
82 #define ADV7180_REG_STATUS1             0x0010
83 #define ADV7180_STATUS1_IN_LOCK         0x01
84 #define ADV7180_STATUS1_AUTOD_MASK      0x70
85 #define ADV7180_STATUS1_AUTOD_NTSM_M_J  0x00
86 #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
87 #define ADV7180_STATUS1_AUTOD_PAL_M     0x20
88 #define ADV7180_STATUS1_AUTOD_PAL_60    0x30
89 #define ADV7180_STATUS1_AUTOD_PAL_B_G   0x40
90 #define ADV7180_STATUS1_AUTOD_SECAM     0x50
91 #define ADV7180_STATUS1_AUTOD_PAL_COMB  0x60
92 #define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
93
94 #define ADV7180_REG_IDENT 0x0011
95 #define ADV7180_ID_7180 0x18
96
97 #define ADV7180_REG_STATUS3             0x0013
98 #define ADV7180_REG_ANALOG_CLAMP_CTL    0x0014
99 #define ADV7180_REG_SHAP_FILTER_CTL_1   0x0017
100 #define ADV7180_REG_CTRL_2              0x001d
101 #define ADV7180_REG_VSYNC_FIELD_CTL_1   0x0031
102 #define ADV7180_VSYNC_FIELD_CTL_1_NEWAV 0x12
103 #define ADV7180_REG_MANUAL_WIN_CTL_1    0x003d
104 #define ADV7180_REG_MANUAL_WIN_CTL_2    0x003e
105 #define ADV7180_REG_MANUAL_WIN_CTL_3    0x003f
106 #define ADV7180_REG_LOCK_CNT            0x0051
107 #define ADV7180_REG_CVBS_TRIM           0x0052
108 #define ADV7180_REG_CLAMP_ADJ           0x005a
109 #define ADV7180_REG_RES_CIR             0x005f
110 #define ADV7180_REG_DIFF_MODE           0x0060
111
112 #define ADV7180_REG_ICONF1              0x2040
113 #define ADV7180_ICONF1_ACTIVE_LOW       0x01
114 #define ADV7180_ICONF1_PSYNC_ONLY       0x10
115 #define ADV7180_ICONF1_ACTIVE_TO_CLR    0xC0
116 /* Saturation */
117 #define ADV7180_REG_SD_SAT_CB   0x00e3  /*Unsigned */
118 #define ADV7180_REG_SD_SAT_CR   0x00e4  /*Unsigned */
119 #define ADV7180_SAT_MIN         0
120 #define ADV7180_SAT_DEF         128
121 #define ADV7180_SAT_MAX         255
122
123 #define ADV7180_IRQ1_LOCK       0x01
124 #define ADV7180_IRQ1_UNLOCK     0x02
125 #define ADV7180_REG_ISR1        0x2042
126 #define ADV7180_REG_ICR1        0x2043
127 #define ADV7180_REG_IMR1        0x2044
128 #define ADV7180_REG_IMR2        0x2048
129 #define ADV7180_IRQ3_AD_CHANGE  0x08
130 #define ADV7180_REG_ISR3        0x204A
131 #define ADV7180_REG_ICR3        0x204B
132 #define ADV7180_REG_IMR3        0x204C
133 #define ADV7180_REG_IMR4        0x2050
134
135 #define ADV7180_REG_NTSC_V_BIT_END      0x00E6
136 #define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND     0x4F
137
138 #define ADV7180_REG_VPP_SLAVE_ADDR      0xFD
139 #define ADV7180_REG_CSI_SLAVE_ADDR      0xFE
140
141 #define ADV7180_REG_ACE_CTRL1           0x4080
142 #define ADV7180_REG_ACE_CTRL5           0x4084
143 #define ADV7180_REG_FLCONTROL           0x40e0
144 #define ADV7180_FLCONTROL_FL_ENABLE 0x1
145
146 #define ADV7180_REG_RST_CLAMP   0x809c
147 #define ADV7180_REG_AGC_ADJ1    0x80b6
148 #define ADV7180_REG_AGC_ADJ2    0x80c0
149
150 #define ADV7180_CSI_REG_PWRDN   0x00
151 #define ADV7180_CSI_PWRDN       0x80
152
153 #define ADV7180_INPUT_CVBS_AIN1 0x00
154 #define ADV7180_INPUT_CVBS_AIN2 0x01
155 #define ADV7180_INPUT_CVBS_AIN3 0x02
156 #define ADV7180_INPUT_CVBS_AIN4 0x03
157 #define ADV7180_INPUT_CVBS_AIN5 0x04
158 #define ADV7180_INPUT_CVBS_AIN6 0x05
159 #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
160 #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
161 #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
162 #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
163 #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
164
165 #define ADV7182_INPUT_CVBS_AIN1 0x00
166 #define ADV7182_INPUT_CVBS_AIN2 0x01
167 #define ADV7182_INPUT_CVBS_AIN3 0x02
168 #define ADV7182_INPUT_CVBS_AIN4 0x03
169 #define ADV7182_INPUT_CVBS_AIN5 0x04
170 #define ADV7182_INPUT_CVBS_AIN6 0x05
171 #define ADV7182_INPUT_CVBS_AIN7 0x06
172 #define ADV7182_INPUT_CVBS_AIN8 0x07
173 #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
174 #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
175 #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
176 #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
177 #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
178 #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
179 #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
180 #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
181 #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
182 #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
183
184 #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
185 #define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
186
187 #define V4L2_CID_ADV_FAST_SWITCH        (V4L2_CID_USER_ADV7180_BASE + 0x00)
188
189 /* Initial number of frames to skip to avoid possible garbage */
190 #define ADV7180_NUM_OF_SKIP_FRAMES       2
191
192 struct adv7180_state;
193
194 #define ADV7180_FLAG_RESET_POWERED      BIT(0)
195 #define ADV7180_FLAG_V2                 BIT(1)
196 #define ADV7180_FLAG_MIPI_CSI2          BIT(2)
197 #define ADV7180_FLAG_I2P                BIT(3)
198
199 struct adv7180_chip_info {
200         unsigned int flags;
201         unsigned int valid_input_mask;
202         int (*set_std)(struct adv7180_state *st, unsigned int std);
203         int (*select_input)(struct adv7180_state *st, unsigned int input);
204         int (*init)(struct adv7180_state *state);
205 };
206
207 struct adv7180_state {
208         struct v4l2_ctrl_handler ctrl_hdl;
209         struct v4l2_subdev      sd;
210         struct media_pad        pad;
211         struct mutex            mutex; /* mutual excl. when accessing chip */
212         int                     irq;
213         struct gpio_desc        *pwdn_gpio;
214         struct gpio_desc        *rst_gpio;
215         v4l2_std_id             curr_norm;
216         bool                    powered;
217         bool                    streaming;
218         u8                      input;
219
220         struct i2c_client       *client;
221         unsigned int            register_page;
222         struct i2c_client       *csi_client;
223         struct i2c_client       *vpp_client;
224         const struct adv7180_chip_info *chip_info;
225         enum v4l2_field         field;
226         bool                    force_bt656_4;
227 };
228 #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler,             \
229                                             struct adv7180_state,       \
230                                             ctrl_hdl)->sd)
231
232 static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
233 {
234         if (state->register_page != page) {
235                 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
236                         page);
237                 state->register_page = page;
238         }
239
240         return 0;
241 }
242
243 static int adv7180_write(struct adv7180_state *state, unsigned int reg,
244         unsigned int value)
245 {
246         lockdep_assert_held(&state->mutex);
247         adv7180_select_page(state, reg >> 8);
248         return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
249 }
250
251 static int adv7180_read(struct adv7180_state *state, unsigned int reg)
252 {
253         lockdep_assert_held(&state->mutex);
254         adv7180_select_page(state, reg >> 8);
255         return i2c_smbus_read_byte_data(state->client, reg & 0xff);
256 }
257
258 static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
259         unsigned int value)
260 {
261         return i2c_smbus_write_byte_data(state->csi_client, reg, value);
262 }
263
264 static int adv7180_set_video_standard(struct adv7180_state *state,
265         unsigned int std)
266 {
267         return state->chip_info->set_std(state, std);
268 }
269
270 static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
271         unsigned int value)
272 {
273         return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
274 }
275
276 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
277 {
278         /* in case V4L2_IN_ST_NO_SIGNAL */
279         if (!(status1 & ADV7180_STATUS1_IN_LOCK))
280                 return V4L2_STD_UNKNOWN;
281
282         switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
283         case ADV7180_STATUS1_AUTOD_NTSM_M_J:
284                 return V4L2_STD_NTSC;
285         case ADV7180_STATUS1_AUTOD_NTSC_4_43:
286                 return V4L2_STD_NTSC_443;
287         case ADV7180_STATUS1_AUTOD_PAL_M:
288                 return V4L2_STD_PAL_M;
289         case ADV7180_STATUS1_AUTOD_PAL_60:
290                 return V4L2_STD_PAL_60;
291         case ADV7180_STATUS1_AUTOD_PAL_B_G:
292                 return V4L2_STD_PAL;
293         case ADV7180_STATUS1_AUTOD_SECAM:
294                 return V4L2_STD_SECAM;
295         case ADV7180_STATUS1_AUTOD_PAL_COMB:
296                 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
297         case ADV7180_STATUS1_AUTOD_SECAM_525:
298                 return V4L2_STD_SECAM;
299         default:
300                 return V4L2_STD_UNKNOWN;
301         }
302 }
303
304 static int v4l2_std_to_adv7180(v4l2_std_id std)
305 {
306         if (std == V4L2_STD_PAL_60)
307                 return ADV7180_STD_PAL60;
308         if (std == V4L2_STD_NTSC_443)
309                 return ADV7180_STD_NTSC_443;
310         if (std == V4L2_STD_PAL_N)
311                 return ADV7180_STD_PAL_N;
312         if (std == V4L2_STD_PAL_M)
313                 return ADV7180_STD_PAL_M;
314         if (std == V4L2_STD_PAL_Nc)
315                 return ADV7180_STD_PAL_COMB_N;
316
317         if (std & V4L2_STD_PAL)
318                 return ADV7180_STD_PAL_BG;
319         if (std & V4L2_STD_NTSC)
320                 return ADV7180_STD_NTSC_M;
321         if (std & V4L2_STD_SECAM)
322                 return ADV7180_STD_PAL_SECAM;
323
324         return -EINVAL;
325 }
326
327 static u32 adv7180_status_to_v4l2(u8 status1)
328 {
329         if (!(status1 & ADV7180_STATUS1_IN_LOCK))
330                 return V4L2_IN_ST_NO_SIGNAL;
331
332         return 0;
333 }
334
335 static int __adv7180_status(struct adv7180_state *state, u32 *status,
336                             v4l2_std_id *std)
337 {
338         int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
339
340         if (status1 < 0)
341                 return status1;
342
343         if (status)
344                 *status = adv7180_status_to_v4l2(status1);
345         if (std)
346                 *std = adv7180_std_to_v4l2(status1);
347
348         return 0;
349 }
350
351 static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
352 {
353         return container_of(sd, struct adv7180_state, sd);
354 }
355
356 static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
357 {
358         struct adv7180_state *state = to_state(sd);
359         int err = mutex_lock_interruptible(&state->mutex);
360         if (err)
361                 return err;
362
363         if (state->streaming) {
364                 err = -EBUSY;
365                 goto unlock;
366         }
367
368         err = adv7180_set_video_standard(state,
369                         ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
370         if (err)
371                 goto unlock;
372
373         msleep(100);
374         __adv7180_status(state, NULL, std);
375
376         err = v4l2_std_to_adv7180(state->curr_norm);
377         if (err < 0)
378                 goto unlock;
379
380         err = adv7180_set_video_standard(state, err);
381
382 unlock:
383         mutex_unlock(&state->mutex);
384         return err;
385 }
386
387 static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
388                              u32 output, u32 config)
389 {
390         struct adv7180_state *state = to_state(sd);
391         int ret = mutex_lock_interruptible(&state->mutex);
392
393         if (ret)
394                 return ret;
395
396         if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
397                 ret = -EINVAL;
398                 goto out;
399         }
400
401         ret = state->chip_info->select_input(state, input);
402
403         if (ret == 0)
404                 state->input = input;
405 out:
406         mutex_unlock(&state->mutex);
407         return ret;
408 }
409
410 static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
411 {
412         struct adv7180_state *state = to_state(sd);
413         int ret = mutex_lock_interruptible(&state->mutex);
414         if (ret)
415                 return ret;
416
417         ret = __adv7180_status(state, status, NULL);
418         mutex_unlock(&state->mutex);
419         return ret;
420 }
421
422 static int adv7180_program_std(struct adv7180_state *state)
423 {
424         int ret;
425
426         ret = v4l2_std_to_adv7180(state->curr_norm);
427         if (ret < 0)
428                 return ret;
429
430         ret = adv7180_set_video_standard(state, ret);
431         if (ret < 0)
432                 return ret;
433         return 0;
434 }
435
436 static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
437 {
438         struct adv7180_state *state = to_state(sd);
439         int ret = mutex_lock_interruptible(&state->mutex);
440
441         if (ret)
442                 return ret;
443
444         /* Make sure we can support this std */
445         ret = v4l2_std_to_adv7180(std);
446         if (ret < 0)
447                 goto out;
448
449         state->curr_norm = std;
450
451         ret = adv7180_program_std(state);
452 out:
453         mutex_unlock(&state->mutex);
454         return ret;
455 }
456
457 static int adv7180_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
458 {
459         struct adv7180_state *state = to_state(sd);
460
461         *norm = state->curr_norm;
462
463         return 0;
464 }
465
466 static int adv7180_get_frame_interval(struct v4l2_subdev *sd,
467                                       struct v4l2_subdev_state *sd_state,
468                                       struct v4l2_subdev_frame_interval *fi)
469 {
470         struct adv7180_state *state = to_state(sd);
471
472         /*
473          * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2
474          * subdev active state API.
475          */
476         if (fi->which != V4L2_SUBDEV_FORMAT_ACTIVE)
477                 return -EINVAL;
478
479         if (state->curr_norm & V4L2_STD_525_60) {
480                 fi->interval.numerator = 1001;
481                 fi->interval.denominator = 30000;
482         } else {
483                 fi->interval.numerator = 1;
484                 fi->interval.denominator = 25;
485         }
486
487         return 0;
488 }
489
490 static void adv7180_set_power_pin(struct adv7180_state *state, bool on)
491 {
492         if (!state->pwdn_gpio)
493                 return;
494
495         if (on) {
496                 gpiod_set_value_cansleep(state->pwdn_gpio, 0);
497                 usleep_range(5000, 10000);
498         } else {
499                 gpiod_set_value_cansleep(state->pwdn_gpio, 1);
500         }
501 }
502
503 static void adv7180_set_reset_pin(struct adv7180_state *state, bool on)
504 {
505         if (!state->rst_gpio)
506                 return;
507
508         if (on) {
509                 gpiod_set_value_cansleep(state->rst_gpio, 1);
510         } else {
511                 gpiod_set_value_cansleep(state->rst_gpio, 0);
512                 usleep_range(5000, 10000);
513         }
514 }
515
516 static int adv7180_set_power(struct adv7180_state *state, bool on)
517 {
518         u8 val;
519         int ret;
520
521         if (on)
522                 val = ADV7180_PWR_MAN_ON;
523         else
524                 val = ADV7180_PWR_MAN_OFF;
525
526         ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
527         if (ret)
528                 return ret;
529
530         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
531                 if (on) {
532                         adv7180_csi_write(state, 0xDE, 0x02);
533                         adv7180_csi_write(state, 0xD2, 0xF7);
534                         adv7180_csi_write(state, 0xD8, 0x65);
535                         adv7180_csi_write(state, 0xE0, 0x09);
536                         adv7180_csi_write(state, 0x2C, 0x00);
537                         if (state->field == V4L2_FIELD_NONE)
538                                 adv7180_csi_write(state, 0x1D, 0x80);
539                         adv7180_csi_write(state, 0x00, 0x00);
540                 } else {
541                         adv7180_csi_write(state, 0x00, 0x80);
542                 }
543         }
544
545         return 0;
546 }
547
548 static int adv7180_s_power(struct v4l2_subdev *sd, int on)
549 {
550         struct adv7180_state *state = to_state(sd);
551         int ret;
552
553         ret = mutex_lock_interruptible(&state->mutex);
554         if (ret)
555                 return ret;
556
557         ret = adv7180_set_power(state, on);
558         if (ret == 0)
559                 state->powered = on;
560
561         mutex_unlock(&state->mutex);
562         return ret;
563 }
564
565 static const char * const test_pattern_menu[] = {
566         "Single color",
567         "Color bars",
568         "Luma ramp",
569         "Boundary box",
570         "Disable",
571 };
572
573 static int adv7180_test_pattern(struct adv7180_state *state, int value)
574 {
575         unsigned int reg = 0;
576
577         /* Map menu value into register value */
578         if (value < 3)
579                 reg = value;
580         if (value == 3)
581                 reg = 5;
582
583         adv7180_write(state, ADV7180_REG_ANALOG_CLAMP_CTL, reg);
584
585         if (value == ARRAY_SIZE(test_pattern_menu) - 1) {
586                 reg = adv7180_read(state, ADV7180_REG_DEF_VALUE_Y);
587                 reg &= ~ADV7180_DEF_VAL_EN;
588                 adv7180_write(state, ADV7180_REG_DEF_VALUE_Y, reg);
589                 return 0;
590         }
591
592         reg = adv7180_read(state, ADV7180_REG_DEF_VALUE_Y);
593         reg |= ADV7180_DEF_VAL_EN | ADV7180_DEF_VAL_AUTO_EN;
594         adv7180_write(state, ADV7180_REG_DEF_VALUE_Y, reg);
595
596         return 0;
597 }
598
599 static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
600 {
601         struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
602         struct adv7180_state *state = to_state(sd);
603         int ret = mutex_lock_interruptible(&state->mutex);
604         int val;
605
606         if (ret)
607                 return ret;
608         val = ctrl->val;
609         switch (ctrl->id) {
610         case V4L2_CID_BRIGHTNESS:
611                 ret = adv7180_write(state, ADV7180_REG_BRI, val);
612                 break;
613         case V4L2_CID_HUE:
614                 /*Hue is inverted according to HSL chart */
615                 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
616                 break;
617         case V4L2_CID_CONTRAST:
618                 ret = adv7180_write(state, ADV7180_REG_CON, val);
619                 break;
620         case V4L2_CID_SATURATION:
621                 /*
622                  *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
623                  *Let's not confuse the user, everybody understands saturation
624                  */
625                 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
626                 if (ret < 0)
627                         break;
628                 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
629                 break;
630         case V4L2_CID_ADV_FAST_SWITCH:
631                 if (ctrl->val) {
632                         /* ADI required write */
633                         adv7180_write(state, 0x80d9, 0x44);
634                         adv7180_write(state, ADV7180_REG_FLCONTROL,
635                                 ADV7180_FLCONTROL_FL_ENABLE);
636                 } else {
637                         /* ADI required write */
638                         adv7180_write(state, 0x80d9, 0xc4);
639                         adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
640                 }
641                 break;
642         case V4L2_CID_TEST_PATTERN:
643                 ret = adv7180_test_pattern(state, val);
644                 break;
645         default:
646                 ret = -EINVAL;
647         }
648
649         mutex_unlock(&state->mutex);
650         return ret;
651 }
652
653 static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
654         .s_ctrl = adv7180_s_ctrl,
655 };
656
657 static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
658         .ops = &adv7180_ctrl_ops,
659         .id = V4L2_CID_ADV_FAST_SWITCH,
660         .name = "Fast Switching",
661         .type = V4L2_CTRL_TYPE_BOOLEAN,
662         .min = 0,
663         .max = 1,
664         .step = 1,
665 };
666
667 static int adv7180_init_controls(struct adv7180_state *state)
668 {
669         v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
670
671         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
672                           V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
673                           ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
674         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
675                           V4L2_CID_CONTRAST, ADV7180_CON_MIN,
676                           ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
677         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
678                           V4L2_CID_SATURATION, ADV7180_SAT_MIN,
679                           ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
680         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
681                           V4L2_CID_HUE, ADV7180_HUE_MIN,
682                           ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
683         v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
684
685         v4l2_ctrl_new_std_menu_items(&state->ctrl_hdl, &adv7180_ctrl_ops,
686                                       V4L2_CID_TEST_PATTERN,
687                                       ARRAY_SIZE(test_pattern_menu) - 1,
688                                       0, ARRAY_SIZE(test_pattern_menu) - 1,
689                                       test_pattern_menu);
690
691         state->sd.ctrl_handler = &state->ctrl_hdl;
692         if (state->ctrl_hdl.error) {
693                 int err = state->ctrl_hdl.error;
694
695                 v4l2_ctrl_handler_free(&state->ctrl_hdl);
696                 return err;
697         }
698         v4l2_ctrl_handler_setup(&state->ctrl_hdl);
699
700         return 0;
701 }
702 static void adv7180_exit_controls(struct adv7180_state *state)
703 {
704         v4l2_ctrl_handler_free(&state->ctrl_hdl);
705 }
706
707 static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
708                                   struct v4l2_subdev_state *sd_state,
709                                   struct v4l2_subdev_mbus_code_enum *code)
710 {
711         if (code->index != 0)
712                 return -EINVAL;
713
714         code->code = MEDIA_BUS_FMT_UYVY8_2X8;
715
716         return 0;
717 }
718
719 static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
720                             struct v4l2_mbus_framefmt *fmt)
721 {
722         struct adv7180_state *state = to_state(sd);
723
724         fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
725         fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
726         fmt->width = 720;
727         fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
728
729         if (state->field == V4L2_FIELD_ALTERNATE)
730                 fmt->height /= 2;
731
732         return 0;
733 }
734
735 static int adv7180_set_field_mode(struct adv7180_state *state)
736 {
737         if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
738                 return 0;
739
740         if (state->field == V4L2_FIELD_NONE) {
741                 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
742                         adv7180_csi_write(state, 0x01, 0x20);
743                         adv7180_csi_write(state, 0x02, 0x28);
744                         adv7180_csi_write(state, 0x03, 0x38);
745                         adv7180_csi_write(state, 0x04, 0x30);
746                         adv7180_csi_write(state, 0x05, 0x30);
747                         adv7180_csi_write(state, 0x06, 0x80);
748                         adv7180_csi_write(state, 0x07, 0x70);
749                         adv7180_csi_write(state, 0x08, 0x50);
750                 }
751                 adv7180_vpp_write(state, 0xa3, 0x00);
752                 adv7180_vpp_write(state, 0x5b, 0x00);
753                 adv7180_vpp_write(state, 0x55, 0x80);
754         } else {
755                 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
756                         adv7180_csi_write(state, 0x01, 0x18);
757                         adv7180_csi_write(state, 0x02, 0x18);
758                         adv7180_csi_write(state, 0x03, 0x30);
759                         adv7180_csi_write(state, 0x04, 0x20);
760                         adv7180_csi_write(state, 0x05, 0x28);
761                         adv7180_csi_write(state, 0x06, 0x40);
762                         adv7180_csi_write(state, 0x07, 0x58);
763                         adv7180_csi_write(state, 0x08, 0x30);
764                 }
765                 adv7180_vpp_write(state, 0xa3, 0x70);
766                 adv7180_vpp_write(state, 0x5b, 0x80);
767                 adv7180_vpp_write(state, 0x55, 0x00);
768         }
769
770         return 0;
771 }
772
773 static int adv7180_get_pad_format(struct v4l2_subdev *sd,
774                                   struct v4l2_subdev_state *sd_state,
775                                   struct v4l2_subdev_format *format)
776 {
777         struct adv7180_state *state = to_state(sd);
778
779         if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
780                 format->format = *v4l2_subdev_state_get_format(sd_state, 0);
781         } else {
782                 adv7180_mbus_fmt(sd, &format->format);
783                 format->format.field = state->field;
784         }
785
786         return 0;
787 }
788
789 static int adv7180_set_pad_format(struct v4l2_subdev *sd,
790                                   struct v4l2_subdev_state *sd_state,
791                                   struct v4l2_subdev_format *format)
792 {
793         struct adv7180_state *state = to_state(sd);
794         struct v4l2_mbus_framefmt *framefmt;
795         int ret;
796
797         switch (format->format.field) {
798         case V4L2_FIELD_NONE:
799                 if (state->chip_info->flags & ADV7180_FLAG_I2P)
800                         break;
801                 fallthrough;
802         default:
803                 format->format.field = V4L2_FIELD_ALTERNATE;
804                 break;
805         }
806
807         ret = adv7180_mbus_fmt(sd,  &format->format);
808
809         if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
810                 if (state->field != format->format.field) {
811                         state->field = format->format.field;
812                         adv7180_set_power(state, false);
813                         adv7180_set_field_mode(state);
814                         adv7180_set_power(state, true);
815                 }
816         } else {
817                 framefmt = v4l2_subdev_state_get_format(sd_state, 0);
818                 *framefmt = format->format;
819         }
820
821         return ret;
822 }
823
824 static int adv7180_init_state(struct v4l2_subdev *sd,
825                               struct v4l2_subdev_state *sd_state)
826 {
827         struct v4l2_subdev_format fmt = {
828                 .which = sd_state ? V4L2_SUBDEV_FORMAT_TRY
829                 : V4L2_SUBDEV_FORMAT_ACTIVE,
830         };
831
832         return adv7180_set_pad_format(sd, sd_state, &fmt);
833 }
834
835 static int adv7180_get_mbus_config(struct v4l2_subdev *sd,
836                                    unsigned int pad,
837                                    struct v4l2_mbus_config *cfg)
838 {
839         struct adv7180_state *state = to_state(sd);
840
841         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
842                 cfg->type = V4L2_MBUS_CSI2_DPHY;
843                 cfg->bus.mipi_csi2.num_data_lanes = 1;
844                 cfg->bus.mipi_csi2.flags = 0;
845         } else {
846                 /*
847                  * The ADV7180 sensor supports BT.601/656 output modes.
848                  * The BT.656 is default and not yet configurable by s/w.
849                  */
850                 cfg->bus.parallel.flags = V4L2_MBUS_MASTER |
851                                           V4L2_MBUS_PCLK_SAMPLE_RISING |
852                                           V4L2_MBUS_DATA_ACTIVE_HIGH;
853                 cfg->type = V4L2_MBUS_BT656;
854         }
855
856         return 0;
857 }
858
859 static int adv7180_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
860 {
861         *frames = ADV7180_NUM_OF_SKIP_FRAMES;
862
863         return 0;
864 }
865
866 static int adv7180_g_pixelaspect(struct v4l2_subdev *sd, struct v4l2_fract *aspect)
867 {
868         struct adv7180_state *state = to_state(sd);
869
870         if (state->curr_norm & V4L2_STD_525_60) {
871                 aspect->numerator = 11;
872                 aspect->denominator = 10;
873         } else {
874                 aspect->numerator = 54;
875                 aspect->denominator = 59;
876         }
877
878         return 0;
879 }
880
881 static int adv7180_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *norm)
882 {
883         *norm = V4L2_STD_ALL;
884         return 0;
885 }
886
887 static int adv7180_s_stream(struct v4l2_subdev *sd, int enable)
888 {
889         struct adv7180_state *state = to_state(sd);
890         int ret;
891
892         /* It's always safe to stop streaming, no need to take the lock */
893         if (!enable) {
894                 state->streaming = enable;
895                 return 0;
896         }
897
898         /* Must wait until querystd released the lock */
899         ret = mutex_lock_interruptible(&state->mutex);
900         if (ret)
901                 return ret;
902         state->streaming = enable;
903         mutex_unlock(&state->mutex);
904         return 0;
905 }
906
907 static int adv7180_subscribe_event(struct v4l2_subdev *sd,
908                                    struct v4l2_fh *fh,
909                                    struct v4l2_event_subscription *sub)
910 {
911         switch (sub->type) {
912         case V4L2_EVENT_SOURCE_CHANGE:
913                 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
914         case V4L2_EVENT_CTRL:
915                 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
916         default:
917                 return -EINVAL;
918         }
919 }
920
921 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
922         .s_std = adv7180_s_std,
923         .g_std = adv7180_g_std,
924         .querystd = adv7180_querystd,
925         .g_input_status = adv7180_g_input_status,
926         .s_routing = adv7180_s_routing,
927         .g_pixelaspect = adv7180_g_pixelaspect,
928         .g_tvnorms = adv7180_g_tvnorms,
929         .s_stream = adv7180_s_stream,
930 };
931
932 static const struct v4l2_subdev_core_ops adv7180_core_ops = {
933         .s_power = adv7180_s_power,
934         .subscribe_event = adv7180_subscribe_event,
935         .unsubscribe_event = v4l2_event_subdev_unsubscribe,
936 };
937
938 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
939         .enum_mbus_code = adv7180_enum_mbus_code,
940         .set_fmt = adv7180_set_pad_format,
941         .get_fmt = adv7180_get_pad_format,
942         .get_frame_interval = adv7180_get_frame_interval,
943         .get_mbus_config = adv7180_get_mbus_config,
944 };
945
946 static const struct v4l2_subdev_sensor_ops adv7180_sensor_ops = {
947         .g_skip_frames = adv7180_get_skip_frames,
948 };
949
950 static const struct v4l2_subdev_ops adv7180_ops = {
951         .core = &adv7180_core_ops,
952         .video = &adv7180_video_ops,
953         .pad = &adv7180_pad_ops,
954         .sensor = &adv7180_sensor_ops,
955 };
956
957 static const struct v4l2_subdev_internal_ops adv7180_internal_ops = {
958         .init_state = adv7180_init_state,
959 };
960
961 static irqreturn_t adv7180_irq(int irq, void *devid)
962 {
963         struct adv7180_state *state = devid;
964         u8 isr3;
965
966         mutex_lock(&state->mutex);
967         isr3 = adv7180_read(state, ADV7180_REG_ISR3);
968         /* clear */
969         adv7180_write(state, ADV7180_REG_ICR3, isr3);
970
971         if (isr3 & ADV7180_IRQ3_AD_CHANGE) {
972                 static const struct v4l2_event src_ch = {
973                         .type = V4L2_EVENT_SOURCE_CHANGE,
974                         .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
975                 };
976
977                 v4l2_subdev_notify_event(&state->sd, &src_ch);
978         }
979         mutex_unlock(&state->mutex);
980
981         return IRQ_HANDLED;
982 }
983
984 static int adv7180_init(struct adv7180_state *state)
985 {
986         int ret;
987
988         /* ITU-R BT.656-4 compatible */
989         ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
990                         ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
991         if (ret < 0)
992                 return ret;
993
994         /* Manually set V bit end position in NTSC mode */
995         return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
996                                         ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
997 }
998
999 static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
1000 {
1001         return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
1002                 (std << 4) | state->input);
1003 }
1004
1005 static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
1006 {
1007         int ret;
1008
1009         ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
1010         if (ret < 0)
1011                 return ret;
1012
1013         ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
1014         ret |= input;
1015         return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
1016 }
1017
1018 static int adv7182_init(struct adv7180_state *state)
1019 {
1020         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1021                 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
1022                         ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
1023
1024         if (state->chip_info->flags & ADV7180_FLAG_I2P)
1025                 adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
1026                         ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
1027
1028         if (state->chip_info->flags & ADV7180_FLAG_V2) {
1029                 /* ADI recommended writes for improved video quality */
1030                 adv7180_write(state, 0x0080, 0x51);
1031                 adv7180_write(state, 0x0081, 0x51);
1032                 adv7180_write(state, 0x0082, 0x68);
1033         }
1034
1035         /* ADI required writes */
1036         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1037                 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x4e);
1038                 adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL, 0x57);
1039                 adv7180_write(state, ADV7180_REG_CTRL_2, 0xc0);
1040         } else {
1041                 if (state->chip_info->flags & ADV7180_FLAG_V2) {
1042                         if (state->force_bt656_4) {
1043                                 /* ITU-R BT.656-4 compatible */
1044                                 adv7180_write(state,
1045                                               ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
1046                                               ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
1047                                 /* Manually set NEWAVMODE */
1048                                 adv7180_write(state,
1049                                               ADV7180_REG_VSYNC_FIELD_CTL_1,
1050                                               ADV7180_VSYNC_FIELD_CTL_1_NEWAV);
1051                                 /* Manually set V bit end position in NTSC mode */
1052                                 adv7180_write(state,
1053                                               ADV7180_REG_NTSC_V_BIT_END,
1054                                               ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
1055                         } else {
1056                                 adv7180_write(state,
1057                                               ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
1058                                               0x17);
1059                         }
1060                 } else {
1061                         adv7180_write(state,
1062                                       ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
1063                                       0x07);
1064                 }
1065                 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x0c);
1066                 adv7180_write(state, ADV7180_REG_CTRL_2, 0x40);
1067         }
1068
1069         adv7180_write(state, 0x0013, 0x00);
1070
1071         return 0;
1072 }
1073
1074 static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
1075 {
1076         /* Failing to set the reserved bit can result in increased video noise */
1077         return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL,
1078                              (std << 4) | ADV7182_REG_INPUT_RESERVED);
1079 }
1080
1081 enum adv7182_input_type {
1082         ADV7182_INPUT_TYPE_CVBS,
1083         ADV7182_INPUT_TYPE_DIFF_CVBS,
1084         ADV7182_INPUT_TYPE_SVIDEO,
1085         ADV7182_INPUT_TYPE_YPBPR,
1086 };
1087
1088 static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
1089 {
1090         switch (input) {
1091         case ADV7182_INPUT_CVBS_AIN1:
1092         case ADV7182_INPUT_CVBS_AIN2:
1093         case ADV7182_INPUT_CVBS_AIN3:
1094         case ADV7182_INPUT_CVBS_AIN4:
1095         case ADV7182_INPUT_CVBS_AIN5:
1096         case ADV7182_INPUT_CVBS_AIN6:
1097         case ADV7182_INPUT_CVBS_AIN7:
1098         case ADV7182_INPUT_CVBS_AIN8:
1099                 return ADV7182_INPUT_TYPE_CVBS;
1100         case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
1101         case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
1102         case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
1103         case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
1104                 return ADV7182_INPUT_TYPE_SVIDEO;
1105         case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
1106         case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
1107                 return ADV7182_INPUT_TYPE_YPBPR;
1108         case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
1109         case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
1110         case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
1111         case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
1112                 return ADV7182_INPUT_TYPE_DIFF_CVBS;
1113         default: /* Will never happen */
1114                 return 0;
1115         }
1116 }
1117
1118 /* ADI recommended writes to registers 0x52, 0x53, 0x54 */
1119 static unsigned int adv7182_lbias_settings[][3] = {
1120         [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
1121         [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
1122         [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
1123         [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
1124 };
1125
1126 static unsigned int adv7280_lbias_settings[][3] = {
1127         [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
1128         [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
1129         [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
1130         [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
1131 };
1132
1133 static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
1134 {
1135         enum adv7182_input_type input_type;
1136         unsigned int *lbias;
1137         unsigned int i;
1138         int ret;
1139
1140         ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
1141         if (ret)
1142                 return ret;
1143
1144         /* Reset clamp circuitry - ADI recommended writes */
1145         adv7180_write(state, ADV7180_REG_RST_CLAMP, 0x00);
1146         adv7180_write(state, ADV7180_REG_RST_CLAMP, 0xff);
1147
1148         input_type = adv7182_get_input_type(input);
1149
1150         switch (input_type) {
1151         case ADV7182_INPUT_TYPE_CVBS:
1152         case ADV7182_INPUT_TYPE_DIFF_CVBS:
1153                 /* ADI recommends to use the SH1 filter */
1154                 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x41);
1155                 break;
1156         default:
1157                 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x01);
1158                 break;
1159         }
1160
1161         if (state->chip_info->flags & ADV7180_FLAG_V2)
1162                 lbias = adv7280_lbias_settings[input_type];
1163         else
1164                 lbias = adv7182_lbias_settings[input_type];
1165
1166         for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
1167                 adv7180_write(state, ADV7180_REG_CVBS_TRIM + i, lbias[i]);
1168
1169         if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
1170                 /* ADI required writes to make differential CVBS work */
1171                 adv7180_write(state, ADV7180_REG_RES_CIR, 0xa8);
1172                 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0x90);
1173                 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0xb0);
1174                 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x08);
1175                 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0xa0);
1176         } else {
1177                 adv7180_write(state, ADV7180_REG_RES_CIR, 0xf0);
1178                 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0xd0);
1179                 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0x10);
1180                 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x9c);
1181                 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0x00);
1182         }
1183
1184         return 0;
1185 }
1186
1187 static const struct adv7180_chip_info adv7180_info = {
1188         .flags = ADV7180_FLAG_RESET_POWERED,
1189         /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
1190          * all inputs and let the card driver take care of validation
1191          */
1192         .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
1193                 BIT(ADV7180_INPUT_CVBS_AIN2) |
1194                 BIT(ADV7180_INPUT_CVBS_AIN3) |
1195                 BIT(ADV7180_INPUT_CVBS_AIN4) |
1196                 BIT(ADV7180_INPUT_CVBS_AIN5) |
1197                 BIT(ADV7180_INPUT_CVBS_AIN6) |
1198                 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
1199                 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
1200                 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
1201                 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1202                 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
1203         .init = adv7180_init,
1204         .set_std = adv7180_set_std,
1205         .select_input = adv7180_select_input,
1206 };
1207
1208 static const struct adv7180_chip_info adv7182_info = {
1209         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1210                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1211                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1212                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1213                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1214                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1215                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1216                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1217                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
1218         .init = adv7182_init,
1219         .set_std = adv7182_set_std,
1220         .select_input = adv7182_select_input,
1221 };
1222
1223 static const struct adv7180_chip_info adv7280_info = {
1224         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1225         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1226                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1227                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1228                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1229                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1230                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1231                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
1232         .init = adv7182_init,
1233         .set_std = adv7182_set_std,
1234         .select_input = adv7182_select_input,
1235 };
1236
1237 static const struct adv7180_chip_info adv7280_m_info = {
1238         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1239         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1240                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1241                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1242                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1243                 BIT(ADV7182_INPUT_CVBS_AIN5) |
1244                 BIT(ADV7182_INPUT_CVBS_AIN6) |
1245                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1246                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1247                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1248                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1249                 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1250                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1251                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1252                 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1253         .init = adv7182_init,
1254         .set_std = adv7182_set_std,
1255         .select_input = adv7182_select_input,
1256 };
1257
1258 static const struct adv7180_chip_info adv7281_info = {
1259         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1260         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1261                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1262                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1263                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1264                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1265                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1266                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1267                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1268         .init = adv7182_init,
1269         .set_std = adv7182_set_std,
1270         .select_input = adv7182_select_input,
1271 };
1272
1273 static const struct adv7180_chip_info adv7281_m_info = {
1274         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1275         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1276                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1277                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1278                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1279                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1280                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1281                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1282                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1283                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1284                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1285                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1286                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1287                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1288         .init = adv7182_init,
1289         .set_std = adv7182_set_std,
1290         .select_input = adv7182_select_input,
1291 };
1292
1293 static const struct adv7180_chip_info adv7281_ma_info = {
1294         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1295         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1296                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1297                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1298                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1299                 BIT(ADV7182_INPUT_CVBS_AIN5) |
1300                 BIT(ADV7182_INPUT_CVBS_AIN6) |
1301                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1302                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1303                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1304                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1305                 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1306                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1307                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1308                 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1309                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1310                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1311                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1312                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1313         .init = adv7182_init,
1314         .set_std = adv7182_set_std,
1315         .select_input = adv7182_select_input,
1316 };
1317
1318 static const struct adv7180_chip_info adv7282_info = {
1319         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1320         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1321                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1322                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1323                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1324                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1325                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1326                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1327                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1328         .init = adv7182_init,
1329         .set_std = adv7182_set_std,
1330         .select_input = adv7182_select_input,
1331 };
1332
1333 static const struct adv7180_chip_info adv7282_m_info = {
1334         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1335         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1336                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1337                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1338                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1339                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1340                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1341                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1342                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1343                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1344                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1345                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1346                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1347         .init = adv7182_init,
1348         .set_std = adv7182_set_std,
1349         .select_input = adv7182_select_input,
1350 };
1351
1352 static int init_device(struct adv7180_state *state)
1353 {
1354         int ret;
1355
1356         mutex_lock(&state->mutex);
1357
1358         adv7180_set_power_pin(state, true);
1359         adv7180_set_reset_pin(state, false);
1360
1361         adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1362         usleep_range(5000, 10000);
1363
1364         ret = state->chip_info->init(state);
1365         if (ret)
1366                 goto out_unlock;
1367
1368         ret = adv7180_program_std(state);
1369         if (ret)
1370                 goto out_unlock;
1371
1372         adv7180_set_field_mode(state);
1373
1374         /* register for interrupts */
1375         if (state->irq > 0) {
1376                 /* config the Interrupt pin to be active low */
1377                 ret = adv7180_write(state, ADV7180_REG_ICONF1,
1378                                                 ADV7180_ICONF1_ACTIVE_LOW |
1379                                                 ADV7180_ICONF1_PSYNC_ONLY);
1380                 if (ret < 0)
1381                         goto out_unlock;
1382
1383                 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1384                 if (ret < 0)
1385                         goto out_unlock;
1386
1387                 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1388                 if (ret < 0)
1389                         goto out_unlock;
1390
1391                 /* enable AD change interrupts interrupts */
1392                 ret = adv7180_write(state, ADV7180_REG_IMR3,
1393                                                 ADV7180_IRQ3_AD_CHANGE);
1394                 if (ret < 0)
1395                         goto out_unlock;
1396
1397                 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1398                 if (ret < 0)
1399                         goto out_unlock;
1400         }
1401
1402 out_unlock:
1403         mutex_unlock(&state->mutex);
1404
1405         return ret;
1406 }
1407
1408 static int adv7180_probe(struct i2c_client *client)
1409 {
1410         struct device_node *np = client->dev.of_node;
1411         struct adv7180_state *state;
1412         struct v4l2_subdev *sd;
1413         int ret;
1414
1415         /* Check if the adapter supports the needed features */
1416         if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1417                 return -EIO;
1418
1419         state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1420         if (state == NULL)
1421                 return -ENOMEM;
1422
1423         state->client = client;
1424         state->field = V4L2_FIELD_ALTERNATE;
1425         state->chip_info = i2c_get_match_data(client);
1426
1427         state->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown",
1428                                                    GPIOD_OUT_HIGH);
1429         if (IS_ERR(state->pwdn_gpio)) {
1430                 ret = PTR_ERR(state->pwdn_gpio);
1431                 v4l_err(client, "request for power pin failed: %d\n", ret);
1432                 return ret;
1433         }
1434
1435         state->rst_gpio = devm_gpiod_get_optional(&client->dev, "reset",
1436                                                   GPIOD_OUT_HIGH);
1437         if (IS_ERR(state->rst_gpio)) {
1438                 ret = PTR_ERR(state->rst_gpio);
1439                 v4l_err(client, "request for reset pin failed: %d\n", ret);
1440                 return ret;
1441         }
1442
1443         if (of_property_read_bool(np, "adv,force-bt656-4"))
1444                 state->force_bt656_4 = true;
1445
1446         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1447                 state->csi_client = i2c_new_dummy_device(client->adapter,
1448                                 ADV7180_DEFAULT_CSI_I2C_ADDR);
1449                 if (IS_ERR(state->csi_client))
1450                         return PTR_ERR(state->csi_client);
1451         }
1452
1453         if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1454                 state->vpp_client = i2c_new_dummy_device(client->adapter,
1455                                 ADV7180_DEFAULT_VPP_I2C_ADDR);
1456                 if (IS_ERR(state->vpp_client)) {
1457                         ret = PTR_ERR(state->vpp_client);
1458                         goto err_unregister_csi_client;
1459                 }
1460         }
1461
1462         state->irq = client->irq;
1463         mutex_init(&state->mutex);
1464         state->curr_norm = V4L2_STD_NTSC;
1465         if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1466                 state->powered = true;
1467         else
1468                 state->powered = false;
1469         state->input = 0;
1470         sd = &state->sd;
1471         v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1472         sd->internal_ops = &adv7180_internal_ops;
1473         sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
1474
1475         ret = adv7180_init_controls(state);
1476         if (ret)
1477                 goto err_unregister_vpp_client;
1478
1479         state->pad.flags = MEDIA_PAD_FL_SOURCE;
1480         sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1481         ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
1482         if (ret)
1483                 goto err_free_ctrl;
1484
1485         ret = init_device(state);
1486         if (ret)
1487                 goto err_media_entity_cleanup;
1488
1489         if (state->irq) {
1490                 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1491                                            IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1492                                            KBUILD_MODNAME, state);
1493                 if (ret)
1494                         goto err_media_entity_cleanup;
1495         }
1496
1497         ret = v4l2_async_register_subdev(sd);
1498         if (ret)
1499                 goto err_free_irq;
1500
1501         mutex_lock(&state->mutex);
1502         ret = adv7180_read(state, ADV7180_REG_IDENT);
1503         mutex_unlock(&state->mutex);
1504         if (ret < 0)
1505                 goto err_v4l2_async_unregister;
1506
1507         v4l_info(client, "chip id 0x%x found @ 0x%02x (%s)\n",
1508                  ret, client->addr, client->adapter->name);
1509
1510         return 0;
1511
1512 err_v4l2_async_unregister:
1513         v4l2_async_unregister_subdev(sd);
1514 err_free_irq:
1515         if (state->irq > 0)
1516                 free_irq(client->irq, state);
1517 err_media_entity_cleanup:
1518         media_entity_cleanup(&sd->entity);
1519 err_free_ctrl:
1520         adv7180_exit_controls(state);
1521 err_unregister_vpp_client:
1522         i2c_unregister_device(state->vpp_client);
1523 err_unregister_csi_client:
1524         i2c_unregister_device(state->csi_client);
1525         mutex_destroy(&state->mutex);
1526         return ret;
1527 }
1528
1529 static void adv7180_remove(struct i2c_client *client)
1530 {
1531         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1532         struct adv7180_state *state = to_state(sd);
1533
1534         v4l2_async_unregister_subdev(sd);
1535
1536         if (state->irq > 0)
1537                 free_irq(client->irq, state);
1538
1539         media_entity_cleanup(&sd->entity);
1540         adv7180_exit_controls(state);
1541
1542         i2c_unregister_device(state->vpp_client);
1543         i2c_unregister_device(state->csi_client);
1544
1545         adv7180_set_reset_pin(state, true);
1546         adv7180_set_power_pin(state, false);
1547
1548         mutex_destroy(&state->mutex);
1549 }
1550
1551 #ifdef CONFIG_PM_SLEEP
1552 static int adv7180_suspend(struct device *dev)
1553 {
1554         struct v4l2_subdev *sd = dev_get_drvdata(dev);
1555         struct adv7180_state *state = to_state(sd);
1556
1557         return adv7180_set_power(state, false);
1558 }
1559
1560 static int adv7180_resume(struct device *dev)
1561 {
1562         struct v4l2_subdev *sd = dev_get_drvdata(dev);
1563         struct adv7180_state *state = to_state(sd);
1564         int ret;
1565
1566         ret = init_device(state);
1567         if (ret < 0)
1568                 return ret;
1569
1570         ret = adv7180_set_power(state, state->powered);
1571         if (ret)
1572                 return ret;
1573
1574         return 0;
1575 }
1576
1577 static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1578 #define ADV7180_PM_OPS (&adv7180_pm_ops)
1579
1580 #else
1581 #define ADV7180_PM_OPS NULL
1582 #endif
1583
1584 static const struct i2c_device_id adv7180_id[] = {
1585         { "adv7180", (kernel_ulong_t)&adv7180_info },
1586         { "adv7180cp", (kernel_ulong_t)&adv7180_info },
1587         { "adv7180st", (kernel_ulong_t)&adv7180_info },
1588         { "adv7182", (kernel_ulong_t)&adv7182_info },
1589         { "adv7280", (kernel_ulong_t)&adv7280_info },
1590         { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1591         { "adv7281", (kernel_ulong_t)&adv7281_info },
1592         { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1593         { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1594         { "adv7282", (kernel_ulong_t)&adv7282_info },
1595         { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1596         {}
1597 };
1598 MODULE_DEVICE_TABLE(i2c, adv7180_id);
1599
1600 static const struct of_device_id adv7180_of_id[] = {
1601         { .compatible = "adi,adv7180", &adv7180_info },
1602         { .compatible = "adi,adv7180cp", &adv7180_info },
1603         { .compatible = "adi,adv7180st", &adv7180_info },
1604         { .compatible = "adi,adv7182", &adv7182_info },
1605         { .compatible = "adi,adv7280", &adv7280_info },
1606         { .compatible = "adi,adv7280-m", &adv7280_m_info },
1607         { .compatible = "adi,adv7281", &adv7281_info },
1608         { .compatible = "adi,adv7281-m", &adv7281_m_info },
1609         { .compatible = "adi,adv7281-ma", &adv7281_ma_info },
1610         { .compatible = "adi,adv7282", &adv7282_info },
1611         { .compatible = "adi,adv7282-m", &adv7282_m_info },
1612         {}
1613 };
1614 MODULE_DEVICE_TABLE(of, adv7180_of_id);
1615
1616 static struct i2c_driver adv7180_driver = {
1617         .driver = {
1618                    .name = KBUILD_MODNAME,
1619                    .pm = ADV7180_PM_OPS,
1620                    .of_match_table = adv7180_of_id,
1621                    },
1622         .probe = adv7180_probe,
1623         .remove = adv7180_remove,
1624         .id_table = adv7180_id,
1625 };
1626
1627 module_i2c_driver(adv7180_driver);
1628
1629 MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1630 MODULE_AUTHOR("Mocean Laboratories");
1631 MODULE_LICENSE("GPL v2");