media: pci: cx88: switch from 'pci_' to 'dma_' API
[linux-2.6-microblaze.git] / drivers / media / pci / cx88 / cx88-blackbird.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Support for a cx23416 mpeg encoder via cx2388x host port.
4  *  "blackbird" reference design.
5  *
6  *    (c) 2004 Jelle Foks <jelle@foks.us>
7  *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
8  *
9  *    (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org>
10  *        - video_ioctl2 conversion
11  *
12  *  Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
13  */
14
15 #include "cx88.h"
16
17 #include <linux/module.h>
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/fs.h>
21 #include <linux/delay.h>
22 #include <linux/device.h>
23 #include <linux/firmware.h>
24 #include <media/v4l2-common.h>
25 #include <media/v4l2-ioctl.h>
26 #include <media/v4l2-event.h>
27 #include <media/drv-intf/cx2341x.h>
28
29 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
30 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
31 MODULE_LICENSE("GPL v2");
32 MODULE_VERSION(CX88_VERSION);
33
34 static unsigned int debug;
35 module_param(debug, int, 0644);
36 MODULE_PARM_DESC(debug, "enable debug messages [blackbird]");
37
38 #define dprintk(level, fmt, arg...) do {                                \
39         if (debug + 1 > level)                                          \
40                 printk(KERN_DEBUG pr_fmt("%s: blackbird:" fmt),         \
41                         __func__, ##arg);                               \
42 } while (0)
43
44 /* ------------------------------------------------------------------ */
45
46 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
47
48 /* defines below are from ivtv-driver.h */
49
50 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
51
52 /* Firmware API commands */
53 #define IVTV_API_STD_TIMEOUT 500
54
55 enum blackbird_capture_type {
56         BLACKBIRD_MPEG_CAPTURE,
57         BLACKBIRD_RAW_CAPTURE,
58         BLACKBIRD_RAW_PASSTHRU_CAPTURE
59 };
60
61 enum blackbird_capture_bits {
62         BLACKBIRD_RAW_BITS_NONE             = 0x00,
63         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
64         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
65         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
66         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
67         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
68 };
69
70 enum blackbird_capture_end {
71         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
72         BLACKBIRD_END_NOW, /* stop immediately, no irq */
73 };
74
75 enum blackbird_framerate {
76         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
77         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
78 };
79
80 enum blackbird_stream_port {
81         BLACKBIRD_OUTPUT_PORT_MEMORY,
82         BLACKBIRD_OUTPUT_PORT_STREAMING,
83         BLACKBIRD_OUTPUT_PORT_SERIAL
84 };
85
86 enum blackbird_data_xfer_status {
87         BLACKBIRD_MORE_BUFFERS_FOLLOW,
88         BLACKBIRD_LAST_BUFFER,
89 };
90
91 enum blackbird_picture_mask {
92         BLACKBIRD_PICTURE_MASK_NONE,
93         BLACKBIRD_PICTURE_MASK_I_FRAMES,
94         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
95         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
96 };
97
98 enum blackbird_vbi_mode_bits {
99         BLACKBIRD_VBI_BITS_SLICED,
100         BLACKBIRD_VBI_BITS_RAW,
101 };
102
103 enum blackbird_vbi_insertion_bits {
104         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
105         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
106         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
107         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
108         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
109 };
110
111 enum blackbird_dma_unit {
112         BLACKBIRD_DMA_BYTES,
113         BLACKBIRD_DMA_FRAMES,
114 };
115
116 enum blackbird_dma_transfer_status_bits {
117         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
118         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
119         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
120 };
121
122 enum blackbird_pause {
123         BLACKBIRD_PAUSE_ENCODING,
124         BLACKBIRD_RESUME_ENCODING,
125 };
126
127 enum blackbird_copyright {
128         BLACKBIRD_COPYRIGHT_OFF,
129         BLACKBIRD_COPYRIGHT_ON,
130 };
131
132 enum blackbird_notification_type {
133         BLACKBIRD_NOTIFICATION_REFRESH,
134 };
135
136 enum blackbird_notification_status {
137         BLACKBIRD_NOTIFICATION_OFF,
138         BLACKBIRD_NOTIFICATION_ON,
139 };
140
141 enum blackbird_notification_mailbox {
142         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
143 };
144
145 enum blackbird_field1_lines {
146         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
147         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
148         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
149 };
150
151 enum blackbird_field2_lines {
152         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
153         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
154         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
155 };
156
157 enum blackbird_custom_data_type {
158         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
159         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
160 };
161
162 enum blackbird_mute {
163         BLACKBIRD_UNMUTE,
164         BLACKBIRD_MUTE,
165 };
166
167 enum blackbird_mute_video_mask {
168         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
169         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
170         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
171 };
172
173 enum blackbird_mute_video_shift {
174         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
175         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
176         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
177 };
178
179 /* Registers */
180 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
181 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
182 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
183 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
184 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
185 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
186
187 /* ------------------------------------------------------------------ */
188
189 static void host_setup(struct cx88_core *core)
190 {
191         /* toggle reset of the host */
192         cx_write(MO_GPHST_SOFT_RST, 1);
193         udelay(100);
194         cx_write(MO_GPHST_SOFT_RST, 0);
195         udelay(100);
196
197         /* host port setup */
198         cx_write(MO_GPHST_WSC, 0x44444444U);
199         cx_write(MO_GPHST_XFR, 0);
200         cx_write(MO_GPHST_WDTH, 15);
201         cx_write(MO_GPHST_HDSHK, 0);
202         cx_write(MO_GPHST_MUX16, 0x44448888U);
203         cx_write(MO_GPHST_MODE, 0);
204 }
205
206 /* ------------------------------------------------------------------ */
207
208 #define P1_MDATA0 0x390000
209 #define P1_MDATA1 0x390001
210 #define P1_MDATA2 0x390002
211 #define P1_MDATA3 0x390003
212 #define P1_MADDR2 0x390004
213 #define P1_MADDR1 0x390005
214 #define P1_MADDR0 0x390006
215 #define P1_RDATA0 0x390008
216 #define P1_RDATA1 0x390009
217 #define P1_RDATA2 0x39000A
218 #define P1_RDATA3 0x39000B
219 #define P1_RADDR0 0x39000C
220 #define P1_RADDR1 0x39000D
221 #define P1_RRDWR  0x39000E
222
223 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
224 {
225         unsigned long timeout = jiffies + msecs_to_jiffies(1);
226         u32 gpio0, need;
227
228         need = state ? 2 : 0;
229         for (;;) {
230                 gpio0 = cx_read(MO_GP0_IO) & 2;
231                 if (need == gpio0)
232                         return 0;
233                 if (time_after(jiffies, timeout))
234                         return -1;
235                 udelay(1);
236         }
237 }
238
239 static int memory_write(struct cx88_core *core, u32 address, u32 value)
240 {
241         /* Warning: address is dword address (4 bytes) */
242         cx_writeb(P1_MDATA0, (unsigned int)value);
243         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
244         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
245         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
246         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
247         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
248         cx_writeb(P1_MADDR0, (unsigned int)address);
249         cx_read(P1_MDATA0);
250         cx_read(P1_MADDR0);
251
252         return wait_ready_gpio0_bit1(core, 1);
253 }
254
255 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
256 {
257         int retval;
258         u32 val;
259
260         /* Warning: address is dword address (4 bytes) */
261         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
262         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
263         cx_writeb(P1_MADDR0, (unsigned int)address);
264         cx_read(P1_MADDR0);
265
266         retval = wait_ready_gpio0_bit1(core, 1);
267
268         cx_writeb(P1_MDATA3, 0);
269         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
270         cx_writeb(P1_MDATA2, 0);
271         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
272         cx_writeb(P1_MDATA1, 0);
273         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
274         cx_writeb(P1_MDATA0, 0);
275         val    |= (unsigned char)cx_read(P1_MDATA0);
276
277         *value  = val;
278         return retval;
279 }
280
281 static int register_write(struct cx88_core *core, u32 address, u32 value)
282 {
283         cx_writeb(P1_RDATA0, (unsigned int)value);
284         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
285         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
286         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
287         cx_writeb(P1_RADDR0, (unsigned int)address);
288         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
289         cx_writeb(P1_RRDWR, 1);
290         cx_read(P1_RDATA0);
291         cx_read(P1_RADDR0);
292
293         return wait_ready_gpio0_bit1(core, 1);
294 }
295
296 static int register_read(struct cx88_core *core, u32 address, u32 *value)
297 {
298         int retval;
299         u32 val;
300
301         cx_writeb(P1_RADDR0, (unsigned int)address);
302         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
303         cx_writeb(P1_RRDWR, 0);
304         cx_read(P1_RADDR0);
305
306         retval  = wait_ready_gpio0_bit1(core, 1);
307         val     = (unsigned char)cx_read(P1_RDATA0);
308         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
309         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
310         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
311
312         *value  = val;
313         return retval;
314 }
315
316 /* ------------------------------------------------------------------ */
317
318 static int blackbird_mbox_func(void *priv, u32 command, int in,
319                                int out, u32 data[CX2341X_MBOX_MAX_DATA])
320 {
321         struct cx8802_dev *dev = priv;
322         unsigned long timeout;
323         u32 value, flag, retval;
324         int i;
325
326         dprintk(1, "%s: 0x%X\n", __func__, command);
327
328         /*
329          * this may not be 100% safe if we can't read any memory location
330          * without side effects
331          */
332         memory_read(dev->core, dev->mailbox - 4, &value);
333         if (value != 0x12345678) {
334                 dprintk(0,
335                         "Firmware and/or mailbox pointer not initialized or corrupted\n");
336                 return -EIO;
337         }
338
339         memory_read(dev->core, dev->mailbox, &flag);
340         if (flag) {
341                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
342                 return -EIO;
343         }
344
345         flag |= 1; /* tell 'em we're working on it */
346         memory_write(dev->core, dev->mailbox, flag);
347
348         /* write command + args + fill remaining with zeros */
349         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
350         /* timeout */
351         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT);
352         for (i = 0; i < in; i++) {
353                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
354                 dprintk(1, "API Input %d = %d\n", i, data[i]);
355         }
356         for (; i < CX2341X_MBOX_MAX_DATA; i++)
357                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
358
359         flag |= 3; /* tell 'em we're done writing */
360         memory_write(dev->core, dev->mailbox, flag);
361
362         /* wait for firmware to handle the API command */
363         timeout = jiffies + msecs_to_jiffies(1000);
364         for (;;) {
365                 memory_read(dev->core, dev->mailbox, &flag);
366                 if (0 != (flag & 4))
367                         break;
368                 if (time_after(jiffies, timeout)) {
369                         dprintk(0, "ERROR: API Mailbox timeout %x\n", command);
370                         return -EIO;
371                 }
372                 udelay(10);
373         }
374
375         /* read output values */
376         for (i = 0; i < out; i++) {
377                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
378                 dprintk(1, "API Output %d = %d\n", i, data[i]);
379         }
380
381         memory_read(dev->core, dev->mailbox + 2, &retval);
382         dprintk(1, "API result = %d\n", retval);
383
384         flag = 0;
385         memory_write(dev->core, dev->mailbox, flag);
386         return retval;
387 }
388
389 /* ------------------------------------------------------------------ */
390
391 /*
392  * We don't need to call the API often, so using just one mailbox
393  * will probably suffice
394  */
395 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
396                              u32 inputcnt, u32 outputcnt, ...)
397 {
398         u32 data[CX2341X_MBOX_MAX_DATA];
399         va_list vargs;
400         int i, err;
401
402         va_start(vargs, outputcnt);
403
404         for (i = 0; i < inputcnt; i++)
405                 data[i] = va_arg(vargs, int);
406
407         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
408         for (i = 0; i < outputcnt; i++) {
409                 int *vptr = va_arg(vargs, int *);
410                 *vptr = data[i];
411         }
412         va_end(vargs);
413         return err;
414 }
415
416 static int blackbird_find_mailbox(struct cx8802_dev *dev)
417 {
418         u32 signature[4] = {0x12345678, 0x34567812, 0x56781234, 0x78123456};
419         int signaturecnt = 0;
420         u32 value;
421         int i;
422
423         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
424                 memory_read(dev->core, i, &value);
425                 if (value == signature[signaturecnt])
426                         signaturecnt++;
427                 else
428                         signaturecnt = 0;
429                 if (signaturecnt == 4) {
430                         dprintk(1, "Mailbox signature found\n");
431                         return i + 1;
432                 }
433         }
434         dprintk(0, "Mailbox signature values not found!\n");
435         return -EIO;
436 }
437
438 static int blackbird_load_firmware(struct cx8802_dev *dev)
439 {
440         static const unsigned char magic[8] = {
441                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
442         };
443         const struct firmware *firmware;
444         int i, retval = 0;
445         u32 value = 0;
446         u32 checksum = 0;
447         __le32 *dataptr;
448
449         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
450         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
451                                  IVTV_CMD_HW_BLOCKS_RST);
452         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH,
453                                  0x80000640);
454         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE,
455                                  0x1A);
456         usleep_range(10000, 20000);
457         retval |= register_write(dev->core, IVTV_REG_APU, 0);
458
459         if (retval < 0)
460                 dprintk(0, "Error with register_write\n");
461
462         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
463                                   &dev->pci->dev);
464
465         if (retval != 0) {
466                 pr_err("Hotplug firmware request failed (%s).\n",
467                        CX2341X_FIRM_ENC_FILENAME);
468                 pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
469                 return -EIO;
470         }
471
472         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
473                 pr_err("Firmware size mismatch (have %zd, expected %d)\n",
474                        firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
475                 release_firmware(firmware);
476                 return -EINVAL;
477         }
478
479         if (memcmp(firmware->data, magic, 8) != 0) {
480                 pr_err("Firmware magic mismatch, wrong file?\n");
481                 release_firmware(firmware);
482                 return -EINVAL;
483         }
484
485         /* transfer to the chip */
486         dprintk(1, "Loading firmware ...\n");
487         dataptr = (__le32 *)firmware->data;
488         for (i = 0; i < (firmware->size >> 2); i++) {
489                 value = le32_to_cpu(*dataptr);
490                 checksum += ~value;
491                 memory_write(dev->core, i, value);
492                 dataptr++;
493         }
494
495         /* read back to verify with the checksum */
496         for (i--; i >= 0; i--) {
497                 memory_read(dev->core, i, &value);
498                 checksum -= ~value;
499         }
500         release_firmware(firmware);
501         if (checksum) {
502                 pr_err("Firmware load might have failed (checksum mismatch).\n");
503                 return -EIO;
504         }
505         dprintk(0, "Firmware upload successful.\n");
506
507         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
508                                  IVTV_CMD_HW_BLOCKS_RST);
509         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
510         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
511         usleep_range(10000, 20000);
512
513         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
514         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
515
516         if (retval < 0)
517                 dprintk(0, "Error with register_write\n");
518         return 0;
519 }
520
521 /*
522  * Settings used by the windows tv app for PVR2000:
523  * =================================================================================================================
524  * Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
525  * -----------------------------------------------------------------------------------------------------------------
526  * MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
527  * MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
528  * VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
529  * DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
530  * DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
531  * =================================================================================================================
532  * [*] DB: "DirectBurn"
533  */
534
535 static void blackbird_codec_settings(struct cx8802_dev *dev)
536 {
537         struct cx88_core *core = dev->core;
538
539         /* assign frame size */
540         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
541                           core->height, core->width);
542
543         dev->cxhdl.width = core->width;
544         dev->cxhdl.height = core->height;
545         cx2341x_handler_set_50hz(&dev->cxhdl,
546                                  dev->core->tvnorm & V4L2_STD_625_50);
547         cx2341x_handler_setup(&dev->cxhdl);
548 }
549
550 static int blackbird_initialize_codec(struct cx8802_dev *dev)
551 {
552         struct cx88_core *core = dev->core;
553         int version;
554         int retval;
555
556         dprintk(1, "Initialize codec\n");
557         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
558         if (retval < 0) {
559                 /* ping was not successful, reset and upload firmware */
560                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
561                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
562                 retval = blackbird_load_firmware(dev);
563                 if (retval < 0)
564                         return retval;
565
566                 retval = blackbird_find_mailbox(dev);
567                 if (retval < 0)
568                         return -1;
569
570                 dev->mailbox = retval;
571
572                 /* ping */
573                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
574                 if (retval < 0) {
575                         dprintk(0, "ERROR: Firmware ping failed!\n");
576                         return -1;
577                 }
578
579                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION,
580                                            0, 1, &version);
581                 if (retval < 0) {
582                         dprintk(0,
583                                 "ERROR: Firmware get encoder version failed!\n");
584                         return -1;
585                 }
586                 dprintk(0, "Firmware version is 0x%08x\n", version);
587         }
588
589         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
590         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
591         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
592         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
593
594         blackbird_codec_settings(dev);
595
596         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
597                           BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115);
598
599         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
600                           BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
601                           0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
602
603         return 0;
604 }
605
606 static int blackbird_start_codec(struct cx8802_dev *dev)
607 {
608         struct cx88_core *core = dev->core;
609         /* start capturing to the host interface */
610         u32 reg;
611
612         int i;
613         int lastchange = -1;
614         int lastval = 0;
615
616         for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
617                 reg = cx_read(AUD_STATUS);
618
619                 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
620                 if ((reg & 0x0F) != lastval) {
621                         lastval = reg & 0x0F;
622                         lastchange = i;
623                 }
624                 msleep(100);
625         }
626
627         /* unmute audio source */
628         cx_clear(AUD_VOL_CTL, (1 << 6));
629
630         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
631
632         /* initialize the video input */
633         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
634
635         cx2341x_handler_set_busy(&dev->cxhdl, 1);
636
637         /* start capturing to the host interface */
638         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
639                           BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE);
640
641         return 0;
642 }
643
644 static int blackbird_stop_codec(struct cx8802_dev *dev)
645 {
646         blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
647                           BLACKBIRD_END_NOW,
648                           BLACKBIRD_MPEG_CAPTURE,
649                           BLACKBIRD_RAW_BITS_NONE);
650
651         cx2341x_handler_set_busy(&dev->cxhdl, 0);
652
653         return 0;
654 }
655
656 /* ------------------------------------------------------------------ */
657
658 static int queue_setup(struct vb2_queue *q,
659                        unsigned int *num_buffers, unsigned int *num_planes,
660                        unsigned int sizes[], struct device *alloc_devs[])
661 {
662         struct cx8802_dev *dev = q->drv_priv;
663
664         *num_planes = 1;
665         dev->ts_packet_size  = 188 * 4;
666         dev->ts_packet_count  = 32;
667         sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
668         return 0;
669 }
670
671 static int buffer_prepare(struct vb2_buffer *vb)
672 {
673         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
674         struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
675         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
676
677         return cx8802_buf_prepare(vb->vb2_queue, dev, buf);
678 }
679
680 static void buffer_finish(struct vb2_buffer *vb)
681 {
682         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
683         struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
684         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
685         struct cx88_riscmem *risc = &buf->risc;
686
687         if (risc->cpu)
688                 dma_free_coherent(&dev->pci->dev, risc->size, risc->cpu,
689                                   risc->dma);
690         memset(risc, 0, sizeof(*risc));
691 }
692
693 static void buffer_queue(struct vb2_buffer *vb)
694 {
695         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
696         struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
697         struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
698
699         cx8802_buf_queue(dev, buf);
700 }
701
702 static int start_streaming(struct vb2_queue *q, unsigned int count)
703 {
704         struct cx8802_dev *dev = q->drv_priv;
705         struct cx88_dmaqueue *dmaq = &dev->mpegq;
706         struct cx8802_driver *drv;
707         struct cx88_buffer *buf;
708         unsigned long flags;
709         int err;
710
711         /* Make sure we can acquire the hardware */
712         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
713         if (!drv) {
714                 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
715                 err = -ENODEV;
716                 goto fail;
717         }
718
719         err = drv->request_acquire(drv);
720         if (err != 0) {
721                 dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__,
722                         err);
723                 goto fail;
724         }
725
726         if (blackbird_initialize_codec(dev) < 0) {
727                 drv->request_release(drv);
728                 err = -EINVAL;
729                 goto fail;
730         }
731
732         err = blackbird_start_codec(dev);
733         if (err == 0) {
734                 buf = list_entry(dmaq->active.next, struct cx88_buffer, list);
735                 cx8802_start_dma(dev, dmaq, buf);
736                 return 0;
737         }
738
739 fail:
740         spin_lock_irqsave(&dev->slock, flags);
741         while (!list_empty(&dmaq->active)) {
742                 struct cx88_buffer *buf = list_entry(dmaq->active.next,
743                         struct cx88_buffer, list);
744
745                 list_del(&buf->list);
746                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED);
747         }
748         spin_unlock_irqrestore(&dev->slock, flags);
749         return err;
750 }
751
752 static void stop_streaming(struct vb2_queue *q)
753 {
754         struct cx8802_dev *dev = q->drv_priv;
755         struct cx88_dmaqueue *dmaq = &dev->mpegq;
756         struct cx8802_driver *drv = NULL;
757         unsigned long flags;
758
759         cx8802_cancel_buffers(dev);
760         blackbird_stop_codec(dev);
761
762         /* Make sure we release the hardware */
763         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
764         WARN_ON(!drv);
765         if (drv)
766                 drv->request_release(drv);
767
768         spin_lock_irqsave(&dev->slock, flags);
769         while (!list_empty(&dmaq->active)) {
770                 struct cx88_buffer *buf = list_entry(dmaq->active.next,
771                         struct cx88_buffer, list);
772
773                 list_del(&buf->list);
774                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
775         }
776         spin_unlock_irqrestore(&dev->slock, flags);
777 }
778
779 static const struct vb2_ops blackbird_qops = {
780         .queue_setup    = queue_setup,
781         .buf_prepare  = buffer_prepare,
782         .buf_finish = buffer_finish,
783         .buf_queue    = buffer_queue,
784         .wait_prepare = vb2_ops_wait_prepare,
785         .wait_finish = vb2_ops_wait_finish,
786         .start_streaming = start_streaming,
787         .stop_streaming = stop_streaming,
788 };
789
790 /* ------------------------------------------------------------------ */
791
792 static int vidioc_querycap(struct file *file, void  *priv,
793                            struct v4l2_capability *cap)
794 {
795         struct cx8802_dev *dev = video_drvdata(file);
796         struct cx88_core *core = dev->core;
797
798         strscpy(cap->driver, "cx88_blackbird", sizeof(cap->driver));
799         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
800         return cx88_querycap(file, core, cap);
801 }
802
803 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
804                                    struct v4l2_fmtdesc *f)
805 {
806         if (f->index != 0)
807                 return -EINVAL;
808
809         f->pixelformat = V4L2_PIX_FMT_MPEG;
810         return 0;
811 }
812
813 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
814                                 struct v4l2_format *f)
815 {
816         struct cx8802_dev *dev = video_drvdata(file);
817         struct cx88_core *core = dev->core;
818
819         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
820         f->fmt.pix.bytesperline = 0;
821         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
822         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
823         f->fmt.pix.width        = core->width;
824         f->fmt.pix.height       = core->height;
825         f->fmt.pix.field        = core->field;
826         return 0;
827 }
828
829 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
830                                   struct v4l2_format *f)
831 {
832         struct cx8802_dev *dev = video_drvdata(file);
833         struct cx88_core *core = dev->core;
834         unsigned int maxw, maxh;
835         enum v4l2_field field;
836
837         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
838         f->fmt.pix.bytesperline = 0;
839         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
840         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
841
842         maxw = norm_maxw(core->tvnorm);
843         maxh = norm_maxh(core->tvnorm);
844
845         field = f->fmt.pix.field;
846
847         switch (field) {
848         case V4L2_FIELD_TOP:
849         case V4L2_FIELD_BOTTOM:
850         case V4L2_FIELD_INTERLACED:
851         case V4L2_FIELD_SEQ_BT:
852         case V4L2_FIELD_SEQ_TB:
853                 break;
854         default:
855                 field = (f->fmt.pix.height > maxh / 2)
856                         ? V4L2_FIELD_INTERLACED
857                         : V4L2_FIELD_BOTTOM;
858                 break;
859         }
860         if (V4L2_FIELD_HAS_T_OR_B(field))
861                 maxh /= 2;
862
863         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
864                               &f->fmt.pix.height, 32, maxh, 0, 0);
865         f->fmt.pix.field = field;
866         return 0;
867 }
868
869 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
870                                 struct v4l2_format *f)
871 {
872         struct cx8802_dev *dev = video_drvdata(file);
873         struct cx88_core  *core = dev->core;
874
875         if (vb2_is_busy(&dev->vb2_mpegq))
876                 return -EBUSY;
877         if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) ||
878                              vb2_is_busy(&core->v4ldev->vb2_vbiq)))
879                 return -EBUSY;
880         vidioc_try_fmt_vid_cap(file, priv, f);
881         core->width = f->fmt.pix.width;
882         core->height = f->fmt.pix.height;
883         core->field = f->fmt.pix.field;
884         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height,
885                        f->fmt.pix.field);
886         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
887                           f->fmt.pix.height, f->fmt.pix.width);
888         return 0;
889 }
890
891 static int vidioc_s_frequency(struct file *file, void *priv,
892                               const struct v4l2_frequency *f)
893 {
894         struct cx8802_dev *dev = video_drvdata(file);
895         struct cx88_core *core = dev->core;
896         bool streaming;
897
898         if (unlikely(core->board.tuner_type == UNSET))
899                 return -EINVAL;
900         if (unlikely(f->tuner != 0))
901                 return -EINVAL;
902         streaming = vb2_start_streaming_called(&dev->vb2_mpegq);
903         if (streaming)
904                 blackbird_stop_codec(dev);
905
906         cx88_set_freq(core, f);
907         blackbird_initialize_codec(dev);
908         cx88_set_scale(core, core->width, core->height, core->field);
909         if (streaming)
910                 blackbird_start_codec(dev);
911         return 0;
912 }
913
914 static int vidioc_log_status(struct file *file, void *priv)
915 {
916         struct cx8802_dev *dev = video_drvdata(file);
917         struct cx88_core *core = dev->core;
918         char name[32 + 2];
919
920         snprintf(name, sizeof(name), "%s/2", core->name);
921         call_all(core, core, log_status);
922         v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
923         return 0;
924 }
925
926 static int vidioc_enum_input(struct file *file, void *priv,
927                              struct v4l2_input *i)
928 {
929         struct cx8802_dev *dev = video_drvdata(file);
930         struct cx88_core *core = dev->core;
931
932         return cx88_enum_input(core, i);
933 }
934
935 static int vidioc_g_frequency(struct file *file, void *priv,
936                               struct v4l2_frequency *f)
937 {
938         struct cx8802_dev *dev = video_drvdata(file);
939         struct cx88_core *core = dev->core;
940
941         if (unlikely(core->board.tuner_type == UNSET))
942                 return -EINVAL;
943         if (unlikely(f->tuner != 0))
944                 return -EINVAL;
945
946         f->frequency = core->freq;
947         call_all(core, tuner, g_frequency, f);
948
949         return 0;
950 }
951
952 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
953 {
954         struct cx8802_dev *dev = video_drvdata(file);
955         struct cx88_core *core = dev->core;
956
957         *i = core->input;
958         return 0;
959 }
960
961 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
962 {
963         struct cx8802_dev *dev = video_drvdata(file);
964         struct cx88_core *core = dev->core;
965
966         if (i >= 4)
967                 return -EINVAL;
968         if (!INPUT(i).type)
969                 return -EINVAL;
970
971         cx88_newstation(core);
972         cx88_video_mux(core, i);
973         return 0;
974 }
975
976 static int vidioc_g_tuner(struct file *file, void *priv,
977                           struct v4l2_tuner *t)
978 {
979         struct cx8802_dev *dev = video_drvdata(file);
980         struct cx88_core *core = dev->core;
981         u32 reg;
982
983         if (unlikely(core->board.tuner_type == UNSET))
984                 return -EINVAL;
985         if (t->index != 0)
986                 return -EINVAL;
987
988         strscpy(t->name, "Television", sizeof(t->name));
989         t->capability = V4L2_TUNER_CAP_NORM;
990         t->rangehigh  = 0xffffffffUL;
991         call_all(core, tuner, g_tuner, t);
992
993         cx88_get_stereo(core, t);
994         reg = cx_read(MO_DEVICE_STATUS);
995         t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
996         return 0;
997 }
998
999 static int vidioc_s_tuner(struct file *file, void *priv,
1000                           const struct v4l2_tuner *t)
1001 {
1002         struct cx8802_dev *dev = video_drvdata(file);
1003         struct cx88_core *core = dev->core;
1004
1005         if (core->board.tuner_type == UNSET)
1006                 return -EINVAL;
1007         if (t->index != 0)
1008                 return -EINVAL;
1009
1010         cx88_set_stereo(core, t->audmode, 1);
1011         return 0;
1012 }
1013
1014 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1015 {
1016         struct cx8802_dev *dev = video_drvdata(file);
1017         struct cx88_core *core = dev->core;
1018
1019         *tvnorm = core->tvnorm;
1020         return 0;
1021 }
1022
1023 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1024 {
1025         struct cx8802_dev *dev = video_drvdata(file);
1026         struct cx88_core *core = dev->core;
1027
1028         return cx88_set_tvnorm(core, id);
1029 }
1030
1031 static const struct v4l2_file_operations mpeg_fops = {
1032         .owner         = THIS_MODULE,
1033         .open          = v4l2_fh_open,
1034         .release       = vb2_fop_release,
1035         .read          = vb2_fop_read,
1036         .poll          = vb2_fop_poll,
1037         .mmap          = vb2_fop_mmap,
1038         .unlocked_ioctl = video_ioctl2,
1039 };
1040
1041 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1042         .vidioc_querycap      = vidioc_querycap,
1043         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1044         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1045         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1046         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1047         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1048         .vidioc_querybuf      = vb2_ioctl_querybuf,
1049         .vidioc_qbuf          = vb2_ioctl_qbuf,
1050         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1051         .vidioc_streamon      = vb2_ioctl_streamon,
1052         .vidioc_streamoff     = vb2_ioctl_streamoff,
1053         .vidioc_s_frequency   = vidioc_s_frequency,
1054         .vidioc_log_status    = vidioc_log_status,
1055         .vidioc_enum_input    = vidioc_enum_input,
1056         .vidioc_g_frequency   = vidioc_g_frequency,
1057         .vidioc_g_input       = vidioc_g_input,
1058         .vidioc_s_input       = vidioc_s_input,
1059         .vidioc_g_tuner       = vidioc_g_tuner,
1060         .vidioc_s_tuner       = vidioc_s_tuner,
1061         .vidioc_g_std         = vidioc_g_std,
1062         .vidioc_s_std         = vidioc_s_std,
1063         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1064         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1065 };
1066
1067 static const struct video_device cx8802_mpeg_template = {
1068         .name                 = "cx8802",
1069         .fops                 = &mpeg_fops,
1070         .ioctl_ops            = &mpeg_ioctl_ops,
1071         .tvnorms              = CX88_NORMS,
1072 };
1073
1074 /* ------------------------------------------------------------------ */
1075
1076 /* The CX8802 MPEG API will call this when we can use the hardware */
1077 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1078 {
1079         struct cx88_core *core = drv->core;
1080         int err = 0;
1081
1082         switch (core->boardnr) {
1083         case CX88_BOARD_HAUPPAUGE_HVR1300:
1084                 /*
1085                  * By default, core setup will leave the cx22702 out of reset,
1086                  * on the bus.
1087                  * We left the hardware on power up with the cx22702 active.
1088                  * We're being given access to re-arrange the GPIOs.
1089                  * Take the bus off the cx22702 and put the cx23416 on it.
1090                  */
1091                 /* Toggle reset on cx22702 leaving i2c active */
1092                 cx_set(MO_GP0_IO, 0x00000080);
1093                 udelay(1000);
1094                 cx_clear(MO_GP0_IO, 0x00000080);
1095                 udelay(50);
1096                 cx_set(MO_GP0_IO, 0x00000080);
1097                 udelay(1000);
1098                 /* tri-state the cx22702 pins */
1099                 cx_set(MO_GP0_IO, 0x00000004);
1100                 udelay(1000);
1101                 break;
1102         default:
1103                 err = -ENODEV;
1104         }
1105         return err;
1106 }
1107
1108 /* The CX8802 MPEG API will call this when we need to release the hardware */
1109 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1110 {
1111         struct cx88_core *core = drv->core;
1112         int err = 0;
1113
1114         switch (core->boardnr) {
1115         case CX88_BOARD_HAUPPAUGE_HVR1300:
1116                 /* Exit leaving the cx23416 on the bus */
1117                 break;
1118         default:
1119                 err = -ENODEV;
1120         }
1121         return err;
1122 }
1123
1124 static void blackbird_unregister_video(struct cx8802_dev *dev)
1125 {
1126         video_unregister_device(&dev->mpeg_dev);
1127 }
1128
1129 static int blackbird_register_video(struct cx8802_dev *dev)
1130 {
1131         int err;
1132
1133         cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev,
1134                        &cx8802_mpeg_template, "mpeg");
1135         dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl;
1136         video_set_drvdata(&dev->mpeg_dev, dev);
1137         dev->mpeg_dev.queue = &dev->vb2_mpegq;
1138         dev->mpeg_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1139                                     V4L2_CAP_VIDEO_CAPTURE;
1140         if (dev->core->board.tuner_type != UNSET)
1141                 dev->mpeg_dev.device_caps |= V4L2_CAP_TUNER;
1142         err = video_register_device(&dev->mpeg_dev, VFL_TYPE_VIDEO, -1);
1143         if (err < 0) {
1144                 pr_info("can't register mpeg device\n");
1145                 return err;
1146         }
1147         pr_info("registered device %s [mpeg]\n",
1148                 video_device_node_name(&dev->mpeg_dev));
1149         return 0;
1150 }
1151
1152 /* ----------------------------------------------------------- */
1153
1154 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1155 {
1156         struct cx88_core *core = drv->core;
1157         struct cx8802_dev *dev = core->dvbdev;
1158         struct vb2_queue *q;
1159         int err;
1160
1161         dprintk(1, "%s\n", __func__);
1162         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1163                 core->boardnr,
1164                 core->name,
1165                 core->pci_bus,
1166                 core->pci_slot);
1167
1168         err = -ENODEV;
1169         if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1170                 goto fail_core;
1171
1172         dev->cxhdl.port = CX2341X_PORT_STREAMING;
1173         dev->cxhdl.width = core->width;
1174         dev->cxhdl.height = core->height;
1175         dev->cxhdl.func = blackbird_mbox_func;
1176         dev->cxhdl.priv = dev;
1177         err = cx2341x_handler_init(&dev->cxhdl, 36);
1178         if (err)
1179                 goto fail_core;
1180         v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL, false);
1181
1182         /* blackbird stuff */
1183         pr_info("cx23416 based mpeg encoder (blackbird reference design)\n");
1184         host_setup(dev->core);
1185
1186         blackbird_initialize_codec(dev);
1187
1188         /* initial device configuration: needed ? */
1189 //      init_controls(core);
1190         cx88_set_tvnorm(core, core->tvnorm);
1191         cx88_video_mux(core, 0);
1192         cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576);
1193         cx2341x_handler_setup(&dev->cxhdl);
1194
1195         q = &dev->vb2_mpegq;
1196         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1197         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1198         q->gfp_flags = GFP_DMA32;
1199         q->min_buffers_needed = 2;
1200         q->drv_priv = dev;
1201         q->buf_struct_size = sizeof(struct cx88_buffer);
1202         q->ops = &blackbird_qops;
1203         q->mem_ops = &vb2_dma_sg_memops;
1204         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1205         q->lock = &core->lock;
1206         q->dev = &dev->pci->dev;
1207
1208         err = vb2_queue_init(q);
1209         if (err < 0)
1210                 goto fail_core;
1211
1212         blackbird_register_video(dev);
1213
1214         return 0;
1215
1216 fail_core:
1217         return err;
1218 }
1219
1220 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1221 {
1222         struct cx88_core *core = drv->core;
1223         struct cx8802_dev *dev = core->dvbdev;
1224
1225         /* blackbird */
1226         blackbird_unregister_video(drv->core->dvbdev);
1227         v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1228
1229         return 0;
1230 }
1231
1232 static struct cx8802_driver cx8802_blackbird_driver = {
1233         .type_id        = CX88_MPEG_BLACKBIRD,
1234         .hw_access      = CX8802_DRVCTL_SHARED,
1235         .probe          = cx8802_blackbird_probe,
1236         .remove         = cx8802_blackbird_remove,
1237         .advise_acquire = cx8802_blackbird_advise_acquire,
1238         .advise_release = cx8802_blackbird_advise_release,
1239 };
1240
1241 static int __init blackbird_init(void)
1242 {
1243         pr_info("cx2388x blackbird driver version %s loaded\n",
1244                 CX88_VERSION);
1245         return cx8802_register_driver(&cx8802_blackbird_driver);
1246 }
1247
1248 static void __exit blackbird_fini(void)
1249 {
1250         cx8802_unregister_driver(&cx8802_blackbird_driver);
1251 }
1252
1253 module_init(blackbird_init);
1254 module_exit(blackbird_fini);