Fix common misspellings
[linux-2.6.git] / drivers / media / video / cx231xx / cx231xx-video.c
1 /*
2    cx231xx-video.c - driver for Conexant Cx23100/101/102
3                      USB video capture devices
4
5    Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
6         Based on em28xx driver
7         Based on cx23885 driver
8         Based on cx88 driver
9
10    This program is free software; you can redistribute it and/or modify
11    it under the terms of the GNU General Public License as published by
12    the Free Software Foundation; either version 2 of the License, or
13    (at your option) any later version.
14
15    This program is distributed in the hope that it will be useful,
16    but WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18    GNU General Public License for more details.
19
20    You should have received a copy of the GNU General Public License
21    along with this program; if not, write to the Free Software
22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  */
24
25 #include <linux/init.h>
26 #include <linux/list.h>
27 #include <linux/module.h>
28 #include <linux/kernel.h>
29 #include <linux/bitmap.h>
30 #include <linux/usb.h>
31 #include <linux/i2c.h>
32 #include <linux/version.h>
33 #include <linux/mm.h>
34 #include <linux/mutex.h>
35 #include <linux/slab.h>
36
37 #include <media/v4l2-common.h>
38 #include <media/v4l2-ioctl.h>
39 #include <media/v4l2-chip-ident.h>
40 #include <media/msp3400.h>
41 #include <media/tuner.h>
42
43 #include "dvb_frontend.h"
44
45 #include "cx231xx.h"
46 #include "cx231xx-vbi.h"
47
48 #define CX231XX_VERSION_CODE            KERNEL_VERSION(0, 0, 1)
49
50 #define DRIVER_AUTHOR   "Srinivasa Deevi <srinivasa.deevi@conexant.com>"
51 #define DRIVER_DESC     "Conexant cx231xx based USB video device driver"
52
53 #define cx231xx_videodbg(fmt, arg...) do {\
54         if (video_debug) \
55                 printk(KERN_INFO "%s %s :"fmt, \
56                          dev->name, __func__ , ##arg); } while (0)
57
58 static unsigned int isoc_debug;
59 module_param(isoc_debug, int, 0644);
60 MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
61
62 #define cx231xx_isocdbg(fmt, arg...) \
63 do {\
64         if (isoc_debug) { \
65                 printk(KERN_INFO "%s %s :"fmt, \
66                          dev->name, __func__ , ##arg); \
67         } \
68   } while (0)
69
70 MODULE_AUTHOR(DRIVER_AUTHOR);
71 MODULE_DESCRIPTION(DRIVER_DESC);
72 MODULE_LICENSE("GPL");
73
74 static unsigned int card[]     = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
75 static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
76 static unsigned int vbi_nr[]   = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
77 static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
78
79 module_param_array(card, int, NULL, 0444);
80 module_param_array(video_nr, int, NULL, 0444);
81 module_param_array(vbi_nr, int, NULL, 0444);
82 module_param_array(radio_nr, int, NULL, 0444);
83
84 MODULE_PARM_DESC(card, "card type");
85 MODULE_PARM_DESC(video_nr, "video device numbers");
86 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
87 MODULE_PARM_DESC(radio_nr, "radio device numbers");
88
89 static unsigned int video_debug;
90 module_param(video_debug, int, 0644);
91 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
92
93 /* supported video standards */
94 static struct cx231xx_fmt format[] = {
95         {
96          .name = "16bpp YUY2, 4:2:2, packed",
97          .fourcc = V4L2_PIX_FMT_YUYV,
98          .depth = 16,
99          .reg = 0,
100          },
101 };
102
103 /* supported controls */
104 /* Common to all boards */
105
106 /* ------------------------------------------------------------------- */
107
108 static const struct v4l2_queryctrl no_ctl = {
109         .name = "42",
110         .flags = V4L2_CTRL_FLAG_DISABLED,
111 };
112
113 static struct cx231xx_ctrl cx231xx_ctls[] = {
114         /* --- video --- */
115         {
116                 .v = {
117                         .id = V4L2_CID_BRIGHTNESS,
118                         .name = "Brightness",
119                         .minimum = 0x00,
120                         .maximum = 0xff,
121                         .step = 1,
122                         .default_value = 0x7f,
123                         .type = V4L2_CTRL_TYPE_INTEGER,
124                 },
125                 .off = 128,
126                 .reg = LUMA_CTRL,
127                 .mask = 0x00ff,
128                 .shift = 0,
129         }, {
130                 .v = {
131                         .id = V4L2_CID_CONTRAST,
132                         .name = "Contrast",
133                         .minimum = 0,
134                         .maximum = 0xff,
135                         .step = 1,
136                         .default_value = 0x3f,
137                         .type = V4L2_CTRL_TYPE_INTEGER,
138                 },
139                 .off = 0,
140                 .reg = LUMA_CTRL,
141                 .mask = 0xff00,
142                 .shift = 8,
143         }, {
144                 .v = {
145                         .id = V4L2_CID_HUE,
146                         .name = "Hue",
147                         .minimum = 0,
148                         .maximum = 0xff,
149                         .step = 1,
150                         .default_value = 0x7f,
151                         .type = V4L2_CTRL_TYPE_INTEGER,
152                 },
153                 .off = 128,
154                 .reg = CHROMA_CTRL,
155                 .mask = 0xff0000,
156                 .shift = 16,
157         }, {
158         /* strictly, this only describes only U saturation.
159         * V saturation is handled specially through code.
160         */
161                 .v = {
162                         .id = V4L2_CID_SATURATION,
163                         .name = "Saturation",
164                         .minimum = 0,
165                         .maximum = 0xff,
166                         .step = 1,
167                         .default_value = 0x7f,
168                         .type = V4L2_CTRL_TYPE_INTEGER,
169                 },
170                 .off = 0,
171                 .reg = CHROMA_CTRL,
172                 .mask = 0x00ff,
173                 .shift = 0,
174         }, {
175                 /* --- audio --- */
176                 .v = {
177                         .id = V4L2_CID_AUDIO_MUTE,
178                         .name = "Mute",
179                         .minimum = 0,
180                         .maximum = 1,
181                         .default_value = 1,
182                         .type = V4L2_CTRL_TYPE_BOOLEAN,
183                 },
184                 .reg = PATH1_CTL1,
185                 .mask = (0x1f << 24),
186                 .shift = 24,
187         }, {
188                 .v = {
189                         .id = V4L2_CID_AUDIO_VOLUME,
190                         .name = "Volume",
191                         .minimum = 0,
192                         .maximum = 0x3f,
193                         .step = 1,
194                         .default_value = 0x3f,
195                         .type = V4L2_CTRL_TYPE_INTEGER,
196                 },
197                 .reg = PATH1_VOL_CTL,
198                 .mask = 0xff,
199                 .shift = 0,
200         }
201 };
202 static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls);
203
204 static const u32 cx231xx_user_ctrls[] = {
205         V4L2_CID_USER_CLASS,
206         V4L2_CID_BRIGHTNESS,
207         V4L2_CID_CONTRAST,
208         V4L2_CID_SATURATION,
209         V4L2_CID_HUE,
210         V4L2_CID_AUDIO_VOLUME,
211 #if 0
212         V4L2_CID_AUDIO_BALANCE,
213 #endif
214         V4L2_CID_AUDIO_MUTE,
215         0
216 };
217
218 static const u32 *ctrl_classes[] = {
219         cx231xx_user_ctrls,
220         NULL
221 };
222
223 /* ------------------------------------------------------------------
224         Video buffer and parser functions
225    ------------------------------------------------------------------*/
226
227 /*
228  * Announces that a buffer were filled and request the next
229  */
230 static inline void buffer_filled(struct cx231xx *dev,
231                                  struct cx231xx_dmaqueue *dma_q,
232                                  struct cx231xx_buffer *buf)
233 {
234         /* Advice that buffer was filled */
235         cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
236         buf->vb.state = VIDEOBUF_DONE;
237         buf->vb.field_count++;
238         do_gettimeofday(&buf->vb.ts);
239
240         if (dev->USE_ISO)
241                 dev->video_mode.isoc_ctl.buf = NULL;
242         else
243                 dev->video_mode.bulk_ctl.buf = NULL;
244
245         list_del(&buf->vb.queue);
246         wake_up(&buf->vb.done);
247 }
248
249 static inline void print_err_status(struct cx231xx *dev, int packet, int status)
250 {
251         char *errmsg = "Unknown";
252
253         switch (status) {
254         case -ENOENT:
255                 errmsg = "unlinked synchronuously";
256                 break;
257         case -ECONNRESET:
258                 errmsg = "unlinked asynchronuously";
259                 break;
260         case -ENOSR:
261                 errmsg = "Buffer error (overrun)";
262                 break;
263         case -EPIPE:
264                 errmsg = "Stalled (device not responding)";
265                 break;
266         case -EOVERFLOW:
267                 errmsg = "Babble (bad cable?)";
268                 break;
269         case -EPROTO:
270                 errmsg = "Bit-stuff error (bad cable?)";
271                 break;
272         case -EILSEQ:
273                 errmsg = "CRC/Timeout (could be anything)";
274                 break;
275         case -ETIME:
276                 errmsg = "Device does not respond";
277                 break;
278         }
279         if (packet < 0) {
280                 cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg);
281         } else {
282                 cx231xx_isocdbg("URB packet %d, status %d [%s].\n",
283                                 packet, status, errmsg);
284         }
285 }
286
287 /*
288  * video-buf generic routine to get the next available buffer
289  */
290 static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
291                                 struct cx231xx_buffer **buf)
292 {
293         struct cx231xx_video_mode *vmode =
294             container_of(dma_q, struct cx231xx_video_mode, vidq);
295         struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
296
297         char *outp;
298
299         if (list_empty(&dma_q->active)) {
300                 cx231xx_isocdbg("No active queue to serve\n");
301                 if (dev->USE_ISO)
302                         dev->video_mode.isoc_ctl.buf = NULL;
303                 else
304                         dev->video_mode.bulk_ctl.buf = NULL;
305                 *buf = NULL;
306                 return;
307         }
308
309         /* Get the next buffer */
310         *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);
311
312         /* Cleans up buffer - Useful for testing for frame/URB loss */
313         outp = videobuf_to_vmalloc(&(*buf)->vb);
314         memset(outp, 0, (*buf)->vb.size);
315
316         if (dev->USE_ISO)
317                 dev->video_mode.isoc_ctl.buf = *buf;
318         else
319                 dev->video_mode.bulk_ctl.buf = *buf;
320
321         return;
322 }
323
324 /*
325  * Controls the isoc copy of each urb packet
326  */
327 static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
328 {
329         struct cx231xx_buffer *buf;
330         struct cx231xx_dmaqueue *dma_q = urb->context;
331         unsigned char *outp = NULL;
332         int i, rc = 1;
333         unsigned char *p_buffer;
334         u32 bytes_parsed = 0, buffer_size = 0;
335         u8 sav_eav = 0;
336
337         if (!dev)
338                 return 0;
339
340         if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
341                 return 0;
342
343         if (urb->status < 0) {
344                 print_err_status(dev, -1, urb->status);
345                 if (urb->status == -ENOENT)
346                         return 0;
347         }
348
349         buf = dev->video_mode.isoc_ctl.buf;
350         if (buf != NULL)
351                 outp = videobuf_to_vmalloc(&buf->vb);
352
353         for (i = 0; i < urb->number_of_packets; i++) {
354                 int status = urb->iso_frame_desc[i].status;
355
356                 if (status < 0) {
357                         print_err_status(dev, i, status);
358                         if (urb->iso_frame_desc[i].status != -EPROTO)
359                                 continue;
360                 }
361
362                 if (urb->iso_frame_desc[i].actual_length <= 0) {
363                         /* cx231xx_isocdbg("packet %d is empty",i); - spammy */
364                         continue;
365                 }
366                 if (urb->iso_frame_desc[i].actual_length >
367                     dev->video_mode.max_pkt_size) {
368                         cx231xx_isocdbg("packet bigger than packet size");
369                         continue;
370                 }
371
372                 /*  get buffer pointer and length */
373                 p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
374                 buffer_size = urb->iso_frame_desc[i].actual_length;
375                 bytes_parsed = 0;
376
377                 if (dma_q->is_partial_line) {
378                         /* Handle the case of a partial line */
379                         sav_eav = dma_q->last_sav;
380                 } else {
381                         /* Check for a SAV/EAV overlapping
382                                 the buffer boundary */
383                         sav_eav =
384                             cx231xx_find_boundary_SAV_EAV(p_buffer,
385                                                           dma_q->partial_buf,
386                                                           &bytes_parsed);
387                 }
388
389                 sav_eav &= 0xF0;
390                 /* Get the first line if we have some portion of an SAV/EAV from
391                    the last buffer or a partial line  */
392                 if (sav_eav) {
393                         bytes_parsed += cx231xx_get_video_line(dev, dma_q,
394                                 sav_eav,        /* SAV/EAV */
395                                 p_buffer + bytes_parsed,        /* p_buffer */
396                                 buffer_size - bytes_parsed);/* buf size */
397                 }
398
399                 /* Now parse data that is completely in this buffer */
400                 /* dma_q->is_partial_line = 0;  */
401
402                 while (bytes_parsed < buffer_size) {
403                         u32 bytes_used = 0;
404
405                         sav_eav = cx231xx_find_next_SAV_EAV(
406                                 p_buffer + bytes_parsed,        /* p_buffer */
407                                 buffer_size - bytes_parsed,     /* buf size */
408                                 &bytes_used);/* bytes used to get SAV/EAV */
409
410                         bytes_parsed += bytes_used;
411
412                         sav_eav &= 0xF0;
413                         if (sav_eav && (bytes_parsed < buffer_size)) {
414                                 bytes_parsed += cx231xx_get_video_line(dev,
415                                         dma_q, sav_eav, /* SAV/EAV */
416                                         p_buffer + bytes_parsed,/* p_buffer */
417                                         buffer_size - bytes_parsed);/*buf size*/
418                         }
419                 }
420
421                 /* Save the last four bytes of the buffer so we can check the
422                    buffer boundary condition next time */
423                 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
424                 bytes_parsed = 0;
425
426         }
427         return rc;
428 }
429
430 static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
431 {
432         struct cx231xx_buffer *buf;
433         struct cx231xx_dmaqueue *dma_q = urb->context;
434         unsigned char *outp = NULL;
435         int rc = 1;
436         unsigned char *p_buffer;
437         u32 bytes_parsed = 0, buffer_size = 0;
438         u8 sav_eav = 0;
439
440         if (!dev)
441                 return 0;
442
443         if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
444                 return 0;
445
446         if (urb->status < 0) {
447                 print_err_status(dev, -1, urb->status);
448                 if (urb->status == -ENOENT)
449                         return 0;
450         }
451
452         buf = dev->video_mode.bulk_ctl.buf;
453         if (buf != NULL)
454                 outp = videobuf_to_vmalloc(&buf->vb);
455
456         if (1) {
457
458                 /*  get buffer pointer and length */
459                 p_buffer = urb->transfer_buffer;
460                 buffer_size = urb->actual_length;
461                 bytes_parsed = 0;
462
463                 if (dma_q->is_partial_line) {
464                         /* Handle the case of a partial line */
465                         sav_eav = dma_q->last_sav;
466                 } else {
467                         /* Check for a SAV/EAV overlapping
468                                 the buffer boundary */
469                         sav_eav =
470                             cx231xx_find_boundary_SAV_EAV(p_buffer,
471                                                           dma_q->partial_buf,
472                                                           &bytes_parsed);
473                 }
474
475                 sav_eav &= 0xF0;
476                 /* Get the first line if we have some portion of an SAV/EAV from
477                    the last buffer or a partial line  */
478                 if (sav_eav) {
479                         bytes_parsed += cx231xx_get_video_line(dev, dma_q,
480                                 sav_eav,        /* SAV/EAV */
481                                 p_buffer + bytes_parsed,        /* p_buffer */
482                                 buffer_size - bytes_parsed);/* buf size */
483                 }
484
485                 /* Now parse data that is completely in this buffer */
486                 /* dma_q->is_partial_line = 0;  */
487
488                 while (bytes_parsed < buffer_size) {
489                         u32 bytes_used = 0;
490
491                         sav_eav = cx231xx_find_next_SAV_EAV(
492                                 p_buffer + bytes_parsed,        /* p_buffer */
493                                 buffer_size - bytes_parsed,     /* buf size */
494                                 &bytes_used);/* bytes used to get SAV/EAV */
495
496                         bytes_parsed += bytes_used;
497
498                         sav_eav &= 0xF0;
499                         if (sav_eav && (bytes_parsed < buffer_size)) {
500                                 bytes_parsed += cx231xx_get_video_line(dev,
501                                         dma_q, sav_eav, /* SAV/EAV */
502                                         p_buffer + bytes_parsed,/* p_buffer */
503                                         buffer_size - bytes_parsed);/*buf size*/
504                         }
505                 }
506
507                 /* Save the last four bytes of the buffer so we can check the
508                    buffer boundary condition next time */
509                 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
510                 bytes_parsed = 0;
511
512         }
513         return rc;
514 }
515
516
517 u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
518                                  u32 *p_bytes_used)
519 {
520         u32 bytes_used;
521         u8 boundary_bytes[8];
522         u8 sav_eav = 0;
523
524         *p_bytes_used = 0;
525
526         /* Create an array of the last 4 bytes of the last buffer and the first
527            4 bytes of the current buffer. */
528
529         memcpy(boundary_bytes, partial_buf, 4);
530         memcpy(boundary_bytes + 4, p_buffer, 4);
531
532         /* Check for the SAV/EAV in the boundary buffer */
533         sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8,
534                                             &bytes_used);
535
536         if (sav_eav) {
537                 /* found a boundary SAV/EAV.  Updates the bytes used to reflect
538                    only those used in the new buffer */
539                 *p_bytes_used = bytes_used - 4;
540         }
541
542         return sav_eav;
543 }
544
545 u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used)
546 {
547         u32 i;
548         u8 sav_eav = 0;
549
550         /*
551          * Don't search if the buffer size is less than 4.  It causes a page
552          * fault since buffer_size - 4 evaluates to a large number in that
553          * case.
554          */
555         if (buffer_size < 4) {
556                 *p_bytes_used = buffer_size;
557                 return 0;
558         }
559
560         for (i = 0; i < (buffer_size - 3); i++) {
561
562                 if ((p_buffer[i] == 0xFF) &&
563                     (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) {
564
565                         *p_bytes_used = i + 4;
566                         sav_eav = p_buffer[i + 3];
567                         return sav_eav;
568                 }
569         }
570
571         *p_bytes_used = buffer_size;
572         return 0;
573 }
574
575 u32 cx231xx_get_video_line(struct cx231xx *dev,
576                            struct cx231xx_dmaqueue *dma_q, u8 sav_eav,
577                            u8 *p_buffer, u32 buffer_size)
578 {
579         u32 bytes_copied = 0;
580         int current_field = -1;
581
582         switch (sav_eav) {
583         case SAV_ACTIVE_VIDEO_FIELD1:
584                 /* looking for skipped line which occurred in PAL 720x480 mode.
585                    In this case, there will be no active data contained
586                    between the SAV and EAV */
587                 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
588                     (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
589                     ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
590                      (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
591                      (p_buffer[3] == EAV_VBLANK_FIELD1) ||
592                      (p_buffer[3] == EAV_VBLANK_FIELD2)))
593                         return bytes_copied;
594                 current_field = 1;
595                 break;
596
597         case SAV_ACTIVE_VIDEO_FIELD2:
598                 /* looking for skipped line which occurred in PAL 720x480 mode.
599                    In this case, there will be no active data contained between
600                    the SAV and EAV */
601                 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
602                     (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
603                     ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
604                      (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
605                      (p_buffer[3] == EAV_VBLANK_FIELD1)       ||
606                      (p_buffer[3] == EAV_VBLANK_FIELD2)))
607                         return bytes_copied;
608                 current_field = 2;
609                 break;
610         }
611
612         dma_q->last_sav = sav_eav;
613
614         bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer,
615                                                buffer_size, current_field);
616
617         return bytes_copied;
618 }
619
620 u32 cx231xx_copy_video_line(struct cx231xx *dev,
621                             struct cx231xx_dmaqueue *dma_q, u8 *p_line,
622                             u32 length, int field_number)
623 {
624         u32 bytes_to_copy;
625         struct cx231xx_buffer *buf;
626         u32 _line_size = dev->width * 2;
627
628         if (dma_q->current_field != field_number)
629                 cx231xx_reset_video_buffer(dev, dma_q);
630
631         /* get the buffer pointer */
632         if (dev->USE_ISO)
633                 buf = dev->video_mode.isoc_ctl.buf;
634         else
635                 buf = dev->video_mode.bulk_ctl.buf;
636
637         /* Remember the field number for next time */
638         dma_q->current_field = field_number;
639
640         bytes_to_copy = dma_q->bytes_left_in_line;
641         if (bytes_to_copy > length)
642                 bytes_to_copy = length;
643
644         if (dma_q->lines_completed >= dma_q->lines_per_field) {
645                 dma_q->bytes_left_in_line -= bytes_to_copy;
646                 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ?
647                                           0 : 1;
648                 return 0;
649         }
650
651         dma_q->is_partial_line = 1;
652
653         /* If we don't have a buffer, just return the number of bytes we would
654            have copied if we had a buffer. */
655         if (!buf) {
656                 dma_q->bytes_left_in_line -= bytes_to_copy;
657                 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0)
658                                          ? 0 : 1;
659                 return bytes_to_copy;
660         }
661
662         /* copy the data to video buffer */
663         cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy);
664
665         dma_q->pos += bytes_to_copy;
666         dma_q->bytes_left_in_line -= bytes_to_copy;
667
668         if (dma_q->bytes_left_in_line == 0) {
669                 dma_q->bytes_left_in_line = _line_size;
670                 dma_q->lines_completed++;
671                 dma_q->is_partial_line = 0;
672
673                 if (cx231xx_is_buffer_done(dev, dma_q) && buf) {
674                         buffer_filled(dev, dma_q, buf);
675
676                         dma_q->pos = 0;
677                         buf = NULL;
678                         dma_q->lines_completed = 0;
679                 }
680         }
681
682         return bytes_to_copy;
683 }
684
685 void cx231xx_reset_video_buffer(struct cx231xx *dev,
686                                 struct cx231xx_dmaqueue *dma_q)
687 {
688         struct cx231xx_buffer *buf;
689
690         /* handle the switch from field 1 to field 2 */
691         if (dma_q->current_field == 1) {
692                 if (dma_q->lines_completed >= dma_q->lines_per_field)
693                         dma_q->field1_done = 1;
694                 else
695                         dma_q->field1_done = 0;
696         }
697
698         if (dev->USE_ISO)
699                 buf = dev->video_mode.isoc_ctl.buf;
700         else
701                 buf = dev->video_mode.bulk_ctl.buf;
702
703         if (buf == NULL) {
704                 u8 *outp = NULL;
705                 /* first try to get the buffer */
706                 get_next_buf(dma_q, &buf);
707
708                 if (buf)
709                         outp = videobuf_to_vmalloc(&buf->vb);
710
711                 dma_q->pos = 0;
712                 dma_q->field1_done = 0;
713                 dma_q->current_field = -1;
714         }
715
716         /* reset the counters */
717         dma_q->bytes_left_in_line = dev->width << 1;
718         dma_q->lines_completed = 0;
719 }
720
721 int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
722                     u8 *p_buffer, u32 bytes_to_copy)
723 {
724         u8 *p_out_buffer = NULL;
725         u32 current_line_bytes_copied = 0;
726         struct cx231xx_buffer *buf;
727         u32 _line_size = dev->width << 1;
728         void *startwrite;
729         int offset, lencopy;
730
731         if (dev->USE_ISO)
732                 buf = dev->video_mode.isoc_ctl.buf;
733         else
734                 buf = dev->video_mode.bulk_ctl.buf;
735
736         if (buf == NULL)
737                 return -1;
738
739         p_out_buffer = videobuf_to_vmalloc(&buf->vb);
740
741         current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line;
742
743         /* Offset field 2 one line from the top of the buffer */
744         offset = (dma_q->current_field == 1) ? 0 : _line_size;
745
746         /* Offset for field 2 */
747         startwrite = p_out_buffer + offset;
748
749         /* lines already completed in the current field */
750         startwrite += (dma_q->lines_completed * _line_size * 2);
751
752         /* bytes already completed in the current line */
753         startwrite += current_line_bytes_copied;
754
755         lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?
756                   bytes_to_copy : dma_q->bytes_left_in_line;
757
758         if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size))
759                 return 0;
760
761         /* The below copies the UYVY data straight into video buffer */
762         cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy);
763
764         return 0;
765 }
766
767 void cx231xx_swab(u16 *from, u16 *to, u16 len)
768 {
769         u16 i;
770
771         if (len <= 0)
772                 return;
773
774         for (i = 0; i < len / 2; i++)
775                 to[i] = (from[i] << 8) | (from[i] >> 8);
776 }
777
778 u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q)
779 {
780         u8 buffer_complete = 0;
781
782         /* Dual field stream */
783         buffer_complete = ((dma_q->current_field == 2) &&
784                            (dma_q->lines_completed >= dma_q->lines_per_field) &&
785                             dma_q->field1_done);
786
787         return buffer_complete;
788 }
789
790 /* ------------------------------------------------------------------
791         Videobuf operations
792    ------------------------------------------------------------------*/
793
794 static int
795 buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
796 {
797         struct cx231xx_fh *fh = vq->priv_data;
798         struct cx231xx *dev = fh->dev;
799
800         *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3;
801         if (0 == *count)
802                 *count = CX231XX_DEF_BUF;
803
804         if (*count < CX231XX_MIN_BUF)
805                 *count = CX231XX_MIN_BUF;
806
807         return 0;
808 }
809
810 /* This is called *without* dev->slock held; please keep it that way */
811 static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
812 {
813         struct cx231xx_fh *fh = vq->priv_data;
814         struct cx231xx *dev = fh->dev;
815         unsigned long flags = 0;
816
817         if (in_interrupt())
818                 BUG();
819
820         /* We used to wait for the buffer to finish here, but this didn't work
821            because, as we were keeping the state as VIDEOBUF_QUEUED,
822            videobuf_queue_cancel marked it as finished for us.
823            (Also, it could wedge forever if the hardware was misconfigured.)
824
825            This should be safe; by the time we get here, the buffer isn't
826            queued anymore. If we ever start marking the buffers as
827            VIDEOBUF_ACTIVE, it won't be, though.
828          */
829         spin_lock_irqsave(&dev->video_mode.slock, flags);
830         if (dev->USE_ISO) {
831                 if (dev->video_mode.isoc_ctl.buf == buf)
832                         dev->video_mode.isoc_ctl.buf = NULL;
833         } else {
834                 if (dev->video_mode.bulk_ctl.buf == buf)
835                         dev->video_mode.bulk_ctl.buf = NULL;
836         }
837         spin_unlock_irqrestore(&dev->video_mode.slock, flags);
838
839         videobuf_vmalloc_free(&buf->vb);
840         buf->vb.state = VIDEOBUF_NEEDS_INIT;
841 }
842
843 static int
844 buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
845                enum v4l2_field field)
846 {
847         struct cx231xx_fh *fh = vq->priv_data;
848         struct cx231xx_buffer *buf =
849             container_of(vb, struct cx231xx_buffer, vb);
850         struct cx231xx *dev = fh->dev;
851         int rc = 0, urb_init = 0;
852
853         /* The only currently supported format is 16 bits/pixel */
854         buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth
855                         + 7) >> 3;
856         if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
857                 return -EINVAL;
858
859         buf->vb.width = dev->width;
860         buf->vb.height = dev->height;
861         buf->vb.field = field;
862
863         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
864                 rc = videobuf_iolock(vq, &buf->vb, NULL);
865                 if (rc < 0)
866                         goto fail;
867         }
868
869         if (dev->USE_ISO) {
870                 if (!dev->video_mode.isoc_ctl.num_bufs)
871                         urb_init = 1;
872         } else {
873                 if (!dev->video_mode.bulk_ctl.num_bufs)
874                         urb_init = 1;
875         }
876         /*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n",
877                 urb_init, dev->video_mode.max_pkt_size);*/
878         if (urb_init) {
879                 dev->mode_tv = 0;
880                 if (dev->USE_ISO)
881                         rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
882                                        CX231XX_NUM_BUFS,
883                                        dev->video_mode.max_pkt_size,
884                                        cx231xx_isoc_copy);
885                 else
886                         rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
887                                        CX231XX_NUM_BUFS,
888                                        dev->video_mode.max_pkt_size,
889                                        cx231xx_bulk_copy);
890                 if (rc < 0)
891                         goto fail;
892         }
893
894         buf->vb.state = VIDEOBUF_PREPARED;
895         return 0;
896
897 fail:
898         free_buffer(vq, buf);
899         return rc;
900 }
901
902 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
903 {
904         struct cx231xx_buffer *buf =
905             container_of(vb, struct cx231xx_buffer, vb);
906         struct cx231xx_fh *fh = vq->priv_data;
907         struct cx231xx *dev = fh->dev;
908         struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
909
910         buf->vb.state = VIDEOBUF_QUEUED;
911         list_add_tail(&buf->vb.queue, &vidq->active);
912
913 }
914
915 static void buffer_release(struct videobuf_queue *vq,
916                            struct videobuf_buffer *vb)
917 {
918         struct cx231xx_buffer *buf =
919             container_of(vb, struct cx231xx_buffer, vb);
920         struct cx231xx_fh *fh = vq->priv_data;
921         struct cx231xx *dev = (struct cx231xx *)fh->dev;
922
923         cx231xx_isocdbg("cx231xx: called buffer_release\n");
924
925         free_buffer(vq, buf);
926 }
927
928 static struct videobuf_queue_ops cx231xx_video_qops = {
929         .buf_setup = buffer_setup,
930         .buf_prepare = buffer_prepare,
931         .buf_queue = buffer_queue,
932         .buf_release = buffer_release,
933 };
934
935 /*********************  v4l2 interface  **************************************/
936
937 void video_mux(struct cx231xx *dev, int index)
938 {
939         dev->video_input = index;
940         dev->ctl_ainput = INPUT(index)->amux;
941
942         cx231xx_set_video_input_mux(dev, index);
943
944         cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0);
945
946         cx231xx_set_audio_input(dev, dev->ctl_ainput);
947
948         cx231xx_info("video_mux : %d\n", index);
949
950         /* do mode control overrides if required */
951         cx231xx_do_mode_ctrl_overrides(dev);
952 }
953
954 /* Usage lock check functions */
955 static int res_get(struct cx231xx_fh *fh)
956 {
957         struct cx231xx *dev = fh->dev;
958         int rc = 0;
959
960         /* This instance already has stream_on */
961         if (fh->stream_on)
962                 return rc;
963
964         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
965                 if (dev->stream_on)
966                         return -EBUSY;
967                 dev->stream_on = 1;
968         } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
969                 if (dev->vbi_stream_on)
970                         return -EBUSY;
971                 dev->vbi_stream_on = 1;
972         } else
973                 return -EINVAL;
974
975         fh->stream_on = 1;
976
977         return rc;
978 }
979
980 static int res_check(struct cx231xx_fh *fh)
981 {
982         return fh->stream_on;
983 }
984
985 static void res_free(struct cx231xx_fh *fh)
986 {
987         struct cx231xx *dev = fh->dev;
988
989         fh->stream_on = 0;
990
991         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
992                 dev->stream_on = 0;
993         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
994                 dev->vbi_stream_on = 0;
995 }
996
997 static int check_dev(struct cx231xx *dev)
998 {
999         if (dev->state & DEV_DISCONNECTED) {
1000                 cx231xx_errdev("v4l2 ioctl: device not present\n");
1001                 return -ENODEV;
1002         }
1003
1004         if (dev->state & DEV_MISCONFIGURED) {
1005                 cx231xx_errdev("v4l2 ioctl: device is misconfigured; "
1006                                "close and open it again\n");
1007                 return -EIO;
1008         }
1009         return 0;
1010 }
1011
1012 /* ------------------------------------------------------------------
1013         IOCTL vidioc handling
1014    ------------------------------------------------------------------*/
1015
1016 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1017                                 struct v4l2_format *f)
1018 {
1019         struct cx231xx_fh *fh = priv;
1020         struct cx231xx *dev = fh->dev;
1021
1022         f->fmt.pix.width = dev->width;
1023         f->fmt.pix.height = dev->height;
1024         f->fmt.pix.pixelformat = dev->format->fourcc;
1025         f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
1026         f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
1027         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1028
1029         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1030
1031         return 0;
1032 }
1033
1034 static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
1035 {
1036         unsigned int i;
1037
1038         for (i = 0; i < ARRAY_SIZE(format); i++)
1039                 if (format[i].fourcc == fourcc)
1040                         return &format[i];
1041
1042         return NULL;
1043 }
1044
1045 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1046                                   struct v4l2_format *f)
1047 {
1048         struct cx231xx_fh *fh = priv;
1049         struct cx231xx *dev = fh->dev;
1050         unsigned int width = f->fmt.pix.width;
1051         unsigned int height = f->fmt.pix.height;
1052         unsigned int maxw = norm_maxw(dev);
1053         unsigned int maxh = norm_maxh(dev);
1054         struct cx231xx_fmt *fmt;
1055
1056         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1057         if (!fmt) {
1058                 cx231xx_videodbg("Fourcc format (%08x) invalid.\n",
1059                                  f->fmt.pix.pixelformat);
1060                 return -EINVAL;
1061         }
1062
1063         /* width must even because of the YUYV format
1064            height must be even because of interlacing */
1065         v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
1066
1067         f->fmt.pix.width = width;
1068         f->fmt.pix.height = height;
1069         f->fmt.pix.pixelformat = fmt->fourcc;
1070         f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
1071         f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
1072         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1073         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1074
1075         return 0;
1076 }
1077
1078 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1079                                 struct v4l2_format *f)
1080 {
1081         struct cx231xx_fh *fh = priv;
1082         struct cx231xx *dev = fh->dev;
1083         int rc;
1084         struct cx231xx_fmt *fmt;
1085         struct v4l2_mbus_framefmt mbus_fmt;
1086
1087         rc = check_dev(dev);
1088         if (rc < 0)
1089                 return rc;
1090
1091         vidioc_try_fmt_vid_cap(file, priv, f);
1092
1093         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1094         if (!fmt)
1095                 return -EINVAL;
1096
1097         if (videobuf_queue_is_busy(&fh->vb_vidq)) {
1098                 cx231xx_errdev("%s queue busy\n", __func__);
1099                 return -EBUSY;
1100         }
1101
1102         if (dev->stream_on && !fh->stream_on) {
1103                 cx231xx_errdev("%s device in use by another fh\n", __func__);
1104                 return -EBUSY;
1105         }
1106
1107         /* set new image size */
1108         dev->width = f->fmt.pix.width;
1109         dev->height = f->fmt.pix.height;
1110         dev->format = fmt;
1111
1112         v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1113         call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1114         v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
1115
1116         return rc;
1117 }
1118
1119 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1120 {
1121         struct cx231xx_fh *fh = priv;
1122         struct cx231xx *dev = fh->dev;
1123
1124         *id = dev->norm;
1125         return 0;
1126 }
1127
1128 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
1129 {
1130         struct cx231xx_fh *fh = priv;
1131         struct cx231xx *dev = fh->dev;
1132         struct v4l2_mbus_framefmt mbus_fmt;
1133         struct v4l2_format f;
1134         int rc;
1135
1136         rc = check_dev(dev);
1137         if (rc < 0)
1138                 return rc;
1139
1140         cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm);
1141
1142         dev->norm = *norm;
1143
1144         /* Adjusts width/height, if needed */
1145         f.fmt.pix.width = dev->width;
1146         f.fmt.pix.height = dev->height;
1147         vidioc_try_fmt_vid_cap(file, priv, &f);
1148
1149         call_all(dev, core, s_std, dev->norm);
1150
1151         /* We need to reset basic properties in the decoder related to
1152            resolution (since a standard change effects things like the number
1153            of lines in VACT, etc) */
1154         v4l2_fill_mbus_format(&mbus_fmt, &f.fmt.pix, V4L2_MBUS_FMT_FIXED);
1155         call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1156         v4l2_fill_pix_format(&f.fmt.pix, &mbus_fmt);
1157
1158         /* set new image size */
1159         dev->width = f.fmt.pix.width;
1160         dev->height = f.fmt.pix.height;
1161
1162         /* do mode control overrides */
1163         cx231xx_do_mode_ctrl_overrides(dev);
1164
1165         return 0;
1166 }
1167
1168 static const char *iname[] = {
1169         [CX231XX_VMUX_COMPOSITE1] = "Composite1",
1170         [CX231XX_VMUX_SVIDEO]     = "S-Video",
1171         [CX231XX_VMUX_TELEVISION] = "Television",
1172         [CX231XX_VMUX_CABLE]      = "Cable TV",
1173         [CX231XX_VMUX_DVB]        = "DVB",
1174         [CX231XX_VMUX_DEBUG]      = "for debug only",
1175 };
1176
1177 static int vidioc_enum_input(struct file *file, void *priv,
1178                              struct v4l2_input *i)
1179 {
1180         struct cx231xx_fh *fh = priv;
1181         struct cx231xx *dev = fh->dev;
1182         unsigned int n;
1183
1184         n = i->index;
1185         if (n >= MAX_CX231XX_INPUT)
1186                 return -EINVAL;
1187         if (0 == INPUT(n)->type)
1188                 return -EINVAL;
1189
1190         i->index = n;
1191         i->type = V4L2_INPUT_TYPE_CAMERA;
1192
1193         strcpy(i->name, iname[INPUT(n)->type]);
1194
1195         if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
1196             (CX231XX_VMUX_CABLE == INPUT(n)->type))
1197                 i->type = V4L2_INPUT_TYPE_TUNER;
1198
1199         i->std = dev->vdev->tvnorms;
1200
1201         return 0;
1202 }
1203
1204 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1205 {
1206         struct cx231xx_fh *fh = priv;
1207         struct cx231xx *dev = fh->dev;
1208
1209         *i = dev->video_input;
1210
1211         return 0;
1212 }
1213
1214 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1215 {
1216         struct cx231xx_fh *fh = priv;
1217         struct cx231xx *dev = fh->dev;
1218         int rc;
1219
1220         dev->mode_tv = 0;
1221         rc = check_dev(dev);
1222         if (rc < 0)
1223                 return rc;
1224
1225         if (i >= MAX_CX231XX_INPUT)
1226                 return -EINVAL;
1227         if (0 == INPUT(i)->type)
1228                 return -EINVAL;
1229
1230         video_mux(dev, i);
1231
1232         if (INPUT(i)->type == CX231XX_VMUX_TELEVISION ||
1233             INPUT(i)->type == CX231XX_VMUX_CABLE) {
1234                 /* There's a tuner, so reset the standard and put it on the
1235                    last known frequency (since it was probably powered down
1236                    until now */
1237                 call_all(dev, core, s_std, dev->norm);
1238         }
1239
1240         return 0;
1241 }
1242
1243 static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
1244 {
1245         struct cx231xx_fh *fh = priv;
1246         struct cx231xx *dev = fh->dev;
1247
1248         switch (a->index) {
1249         case CX231XX_AMUX_VIDEO:
1250                 strcpy(a->name, "Television");
1251                 break;
1252         case CX231XX_AMUX_LINE_IN:
1253                 strcpy(a->name, "Line In");
1254                 break;
1255         default:
1256                 return -EINVAL;
1257         }
1258
1259         a->index = dev->ctl_ainput;
1260         a->capability = V4L2_AUDCAP_STEREO;
1261
1262         return 0;
1263 }
1264
1265 static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
1266 {
1267         struct cx231xx_fh *fh = priv;
1268         struct cx231xx *dev = fh->dev;
1269         int status = 0;
1270
1271         /* Doesn't allow manual routing */
1272         if (a->index != dev->ctl_ainput)
1273                 return -EINVAL;
1274
1275         dev->ctl_ainput = INPUT(a->index)->amux;
1276         status = cx231xx_set_audio_input(dev, dev->ctl_ainput);
1277
1278         return status;
1279 }
1280
1281 static int vidioc_queryctrl(struct file *file, void *priv,
1282                             struct v4l2_queryctrl *qc)
1283 {
1284         struct cx231xx_fh *fh = priv;
1285         struct cx231xx *dev = fh->dev;
1286         int id = qc->id;
1287         int i;
1288         int rc;
1289
1290         rc = check_dev(dev);
1291         if (rc < 0)
1292                 return rc;
1293
1294         qc->id = v4l2_ctrl_next(ctrl_classes, qc->id);
1295         if (unlikely(qc->id == 0))
1296                 return -EINVAL;
1297
1298         memset(qc, 0, sizeof(*qc));
1299
1300         qc->id = id;
1301
1302         if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1)
1303                 return -EINVAL;
1304
1305         for (i = 0; i < CX231XX_CTLS; i++)
1306                 if (cx231xx_ctls[i].v.id == qc->id)
1307                         break;
1308
1309         if (i == CX231XX_CTLS) {
1310                 *qc = no_ctl;
1311                 return 0;
1312         }
1313         *qc = cx231xx_ctls[i].v;
1314
1315         call_all(dev, core, queryctrl, qc);
1316
1317         if (qc->type)
1318                 return 0;
1319         else
1320                 return -EINVAL;
1321 }
1322
1323 static int vidioc_g_ctrl(struct file *file, void *priv,
1324                          struct v4l2_control *ctrl)
1325 {
1326         struct cx231xx_fh *fh = priv;
1327         struct cx231xx *dev = fh->dev;
1328         int rc;
1329
1330         rc = check_dev(dev);
1331         if (rc < 0)
1332                 return rc;
1333
1334         call_all(dev, core, g_ctrl, ctrl);
1335         return rc;
1336 }
1337
1338 static int vidioc_s_ctrl(struct file *file, void *priv,
1339                          struct v4l2_control *ctrl)
1340 {
1341         struct cx231xx_fh *fh = priv;
1342         struct cx231xx *dev = fh->dev;
1343         int rc;
1344
1345         rc = check_dev(dev);
1346         if (rc < 0)
1347                 return rc;
1348
1349         call_all(dev, core, s_ctrl, ctrl);
1350         return rc;
1351 }
1352
1353 static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1354 {
1355         struct cx231xx_fh *fh = priv;
1356         struct cx231xx *dev = fh->dev;
1357         int rc;
1358
1359         rc = check_dev(dev);
1360         if (rc < 0)
1361                 return rc;
1362
1363         if (0 != t->index)
1364                 return -EINVAL;
1365
1366         strcpy(t->name, "Tuner");
1367
1368         t->type = V4L2_TUNER_ANALOG_TV;
1369         t->capability = V4L2_TUNER_CAP_NORM;
1370         t->rangehigh = 0xffffffffUL;
1371         t->signal = 0xffff;     /* LOCKED */
1372
1373         return 0;
1374 }
1375
1376 static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1377 {
1378         struct cx231xx_fh *fh = priv;
1379         struct cx231xx *dev = fh->dev;
1380         int rc;
1381
1382         rc = check_dev(dev);
1383         if (rc < 0)
1384                 return rc;
1385
1386         if (0 != t->index)
1387                 return -EINVAL;
1388 #if 0
1389         call_all(dev, tuner, s_tuner, t);
1390 #endif
1391         return 0;
1392 }
1393
1394 static int vidioc_g_frequency(struct file *file, void *priv,
1395                               struct v4l2_frequency *f)
1396 {
1397         struct cx231xx_fh *fh = priv;
1398         struct cx231xx *dev = fh->dev;
1399
1400         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1401         f->frequency = dev->ctl_freq;
1402
1403         call_all(dev, tuner, g_frequency, f);
1404
1405         return 0;
1406 }
1407
1408 static int vidioc_s_frequency(struct file *file, void *priv,
1409                               struct v4l2_frequency *f)
1410 {
1411         struct cx231xx_fh *fh = priv;
1412         struct cx231xx *dev = fh->dev;
1413         int rc;
1414         u32 if_frequency = 5400000;
1415
1416         cx231xx_info("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
1417                  f->frequency, f->type);
1418         /*cx231xx_info("f->type:  1-radio 2-analogTV 3-digitalTV\n");*/
1419
1420         rc = check_dev(dev);
1421         if (rc < 0)
1422                 return rc;
1423
1424         if (0 != f->tuner)
1425                 return -EINVAL;
1426
1427         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1428                 return -EINVAL;
1429         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1430                 return -EINVAL;
1431
1432         /* set pre channel change settings in DIF first */
1433         rc = cx231xx_tuner_pre_channel_change(dev);
1434
1435         dev->ctl_freq = f->frequency;
1436         call_all(dev, tuner, s_frequency, f);
1437
1438         /* set post channel change settings in DIF first */
1439         rc = cx231xx_tuner_post_channel_change(dev);
1440
1441         if (dev->tuner_type == TUNER_NXP_TDA18271) {
1442                 if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443))
1443                         if_frequency = 5400000;  /*5.4MHz       */
1444                 else if (dev->norm & V4L2_STD_B)
1445                         if_frequency = 6000000;  /*6.0MHz       */
1446                 else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK))
1447                         if_frequency = 6900000;  /*6.9MHz       */
1448                 else if (dev->norm & V4L2_STD_GH)
1449                         if_frequency = 7100000;  /*7.1MHz       */
1450                 else if (dev->norm & V4L2_STD_PAL_I)
1451                         if_frequency = 7250000;  /*7.25MHz      */
1452                 else if (dev->norm & V4L2_STD_SECAM_L)
1453                         if_frequency = 6900000;  /*6.9MHz       */
1454                 else if (dev->norm & V4L2_STD_SECAM_LC)
1455                         if_frequency = 1250000;  /*1.25MHz      */
1456
1457                 cx231xx_info("if_frequency is set to %d\n", if_frequency);
1458                 cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1);
1459
1460                 update_HH_register_after_set_DIF(dev);
1461         }
1462
1463         cx231xx_info("Set New FREQUENCY to %d\n", f->frequency);
1464
1465         return rc;
1466 }
1467
1468 #ifdef CONFIG_VIDEO_ADV_DEBUG
1469
1470 /*
1471   -R, --list-registers=type=<host/i2cdrv/i2caddr>,
1472                                 chip=<chip>[,min=<addr>,max=<addr>]
1473                      dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER]
1474   -r, --set-register=type=<host/i2cdrv/i2caddr>,
1475                                 chip=<chip>,reg=<addr>,val=<val>
1476                      set the register [VIDIOC_DBG_S_REGISTER]
1477
1478   if type == host, then <chip> is the hosts chip ID (default 0)
1479   if type == i2cdrv (default), then <chip> is the I2C driver name or ID
1480   if type == i2caddr, then <chip> is the 7-bit I2C address
1481 */
1482
1483 static int vidioc_g_register(struct file *file, void *priv,
1484                              struct v4l2_dbg_register *reg)
1485 {
1486         struct cx231xx_fh *fh = priv;
1487         struct cx231xx *dev = fh->dev;
1488         int ret = 0;
1489         u8 value[4] = { 0, 0, 0, 0 };
1490         u32 data = 0;
1491
1492         switch (reg->match.type) {
1493         case V4L2_CHIP_MATCH_HOST:
1494                 switch (reg->match.addr) {
1495                 case 0: /* Cx231xx - internal registers */
1496                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1497                                                   (u16)reg->reg, value, 4);
1498                         reg->val = value[0] | value[1] << 8 |
1499                                    value[2] << 16 | value[3] << 24;
1500                         break;
1501                 case 1: /* AFE - read byte */
1502                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1503                                                   (u16)reg->reg, 2, &data, 1);
1504                         reg->val = le32_to_cpu(data & 0xff);
1505                         break;
1506                 case 14: /* AFE - read dword */
1507                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1508                                                   (u16)reg->reg, 2, &data, 4);
1509                         reg->val = le32_to_cpu(data);
1510                         break;
1511                 case 2: /* Video Block - read byte */
1512                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1513                                                   (u16)reg->reg, 2, &data, 1);
1514                         reg->val = le32_to_cpu(data & 0xff);
1515                         break;
1516                 case 24: /* Video Block - read dword */
1517                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1518                                                   (u16)reg->reg, 2, &data, 4);
1519                         reg->val = le32_to_cpu(data);
1520                         break;
1521                 case 3: /* I2S block - read byte */
1522                         ret = cx231xx_read_i2c_data(dev,
1523                                                     I2S_BLK_DEVICE_ADDRESS,
1524                                                     (u16)reg->reg, 1,
1525                                                     &data, 1);
1526                         reg->val = le32_to_cpu(data & 0xff);
1527                         break;
1528                 case 34: /* I2S Block - read dword */
1529                         ret =
1530                             cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1531                                                   (u16)reg->reg, 1, &data, 4);
1532                         reg->val = le32_to_cpu(data);
1533                         break;
1534                 }
1535                 return ret < 0 ? ret : 0;
1536
1537         case V4L2_CHIP_MATCH_I2C_DRIVER:
1538                 call_all(dev, core, g_register, reg);
1539                 return 0;
1540         case V4L2_CHIP_MATCH_I2C_ADDR:/*for register debug*/
1541                 switch (reg->match.addr) {
1542                 case 0: /* Cx231xx - internal registers */
1543                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1544                                                   (u16)reg->reg, value, 4);
1545                         reg->val = value[0] | value[1] << 8 |
1546                                    value[2] << 16 | value[3] << 24;
1547
1548                         break;
1549                 case 0x600:/* AFE - read byte */
1550                         ret = cx231xx_read_i2c_master(dev, AFE_DEVICE_ADDRESS,
1551                                                  (u16)reg->reg, 2,
1552                                                  &data, 1 , 0);
1553                         reg->val = le32_to_cpu(data & 0xff);
1554                         break;
1555
1556                 case 0x880:/* Video Block - read byte */
1557                         if (reg->reg < 0x0b) {
1558                                 ret = cx231xx_read_i2c_master(dev,
1559                                                 VID_BLK_I2C_ADDRESS,
1560                                                  (u16)reg->reg, 2,
1561                                                  &data, 1 , 0);
1562                                 reg->val = le32_to_cpu(data & 0xff);
1563                         } else {
1564                                 ret = cx231xx_read_i2c_master(dev,
1565                                                 VID_BLK_I2C_ADDRESS,
1566                                                  (u16)reg->reg, 2,
1567                                                  &data, 4 , 0);
1568                                 reg->val = le32_to_cpu(data);
1569                         }
1570                         break;
1571                 case 0x980:
1572                         ret = cx231xx_read_i2c_master(dev,
1573                                                 I2S_BLK_DEVICE_ADDRESS,
1574                                                 (u16)reg->reg, 1,
1575                                                 &data, 1 , 0);
1576                         reg->val = le32_to_cpu(data & 0xff);
1577                         break;
1578                 case 0x400:
1579                         ret =
1580                             cx231xx_read_i2c_master(dev, 0x40,
1581                                                   (u16)reg->reg, 1,
1582                                                  &data, 1 , 0);
1583                         reg->val = le32_to_cpu(data & 0xff);
1584                         break;
1585                 case 0xc01:
1586                         ret =
1587                                 cx231xx_read_i2c_master(dev, 0xc0,
1588                                                 (u16)reg->reg, 2,
1589                                                  &data, 38, 1);
1590                         reg->val = le32_to_cpu(data);
1591                         break;
1592                 case 0x022:
1593                         ret =
1594                                 cx231xx_read_i2c_master(dev, 0x02,
1595                                                 (u16)reg->reg, 1,
1596                                                  &data, 1, 2);
1597                         reg->val = le32_to_cpu(data & 0xff);
1598                         break;
1599                 case 0x322:
1600                         ret = cx231xx_read_i2c_master(dev,
1601                                                 0x32,
1602                                                  (u16)reg->reg, 1,
1603                                                  &data, 4 , 2);
1604                                 reg->val = le32_to_cpu(data);
1605                         break;
1606                 case 0x342:
1607                         ret = cx231xx_read_i2c_master(dev,
1608                                                 0x34,
1609                                                  (u16)reg->reg, 1,
1610                                                  &data, 4 , 2);
1611                                 reg->val = le32_to_cpu(data);
1612                         break;
1613
1614                 default:
1615                         cx231xx_info("no match device address!!\n");
1616                         break;
1617                         }
1618                 return ret < 0 ? ret : 0;
1619                 /*return -EINVAL;*/
1620         default:
1621                 if (!v4l2_chip_match_host(&reg->match))
1622                         return -EINVAL;
1623         }
1624
1625         call_all(dev, core, g_register, reg);
1626
1627         return ret;
1628 }
1629
1630 static int vidioc_s_register(struct file *file, void *priv,
1631                              struct v4l2_dbg_register *reg)
1632 {
1633         struct cx231xx_fh *fh = priv;
1634         struct cx231xx *dev = fh->dev;
1635         int ret = 0;
1636         __le64 buf;
1637         u32 value;
1638         u8 data[4] = { 0, 0, 0, 0 };
1639
1640         buf = cpu_to_le64(reg->val);
1641
1642         switch (reg->match.type) {
1643         case V4L2_CHIP_MATCH_HOST:
1644                 {
1645                         value = (u32) buf & 0xffffffff;
1646
1647                         switch (reg->match.addr) {
1648                         case 0: /* cx231xx internal registers */
1649                                 data[0] = (u8) value;
1650                                 data[1] = (u8) (value >> 8);
1651                                 data[2] = (u8) (value >> 16);
1652                                 data[3] = (u8) (value >> 24);
1653                                 ret = cx231xx_write_ctrl_reg(dev,
1654                                                            VRT_SET_REGISTER,
1655                                                            (u16)reg->reg, data,
1656                                                            4);
1657                                 break;
1658                         case 1: /* AFE - read byte */
1659                                 ret = cx231xx_write_i2c_data(dev,
1660                                                         AFE_DEVICE_ADDRESS,
1661                                                         (u16)reg->reg, 2,
1662                                                         value, 1);
1663                                 break;
1664                         case 14: /* AFE - read dword */
1665                                 ret = cx231xx_write_i2c_data(dev,
1666                                                         AFE_DEVICE_ADDRESS,
1667                                                         (u16)reg->reg, 2,
1668                                                         value, 4);
1669                                 break;
1670                         case 2: /* Video Block - read byte */
1671                                 ret =
1672                                     cx231xx_write_i2c_data(dev,
1673                                                         VID_BLK_I2C_ADDRESS,
1674                                                         (u16)reg->reg, 2,
1675                                                         value, 1);
1676                                 break;
1677                         case 24: /* Video Block - read dword */
1678                                 ret =
1679                                     cx231xx_write_i2c_data(dev,
1680                                                         VID_BLK_I2C_ADDRESS,
1681                                                         (u16)reg->reg, 2,
1682                                                         value, 4);
1683                                 break;
1684                         case 3: /* I2S block - read byte */
1685                                 ret =
1686                                     cx231xx_write_i2c_data(dev,
1687                                                         I2S_BLK_DEVICE_ADDRESS,
1688                                                         (u16)reg->reg, 1,
1689                                                         value, 1);
1690                                 break;
1691                         case 34: /* I2S block - read dword */
1692                                 ret =
1693                                     cx231xx_write_i2c_data(dev,
1694                                                         I2S_BLK_DEVICE_ADDRESS,
1695                                                         (u16)reg->reg, 1,
1696                                                         value, 4);
1697                                 break;
1698                         }
1699                 }
1700                 return ret < 0 ? ret : 0;
1701         case V4L2_CHIP_MATCH_I2C_ADDR:
1702                 {
1703                         value = (u32) buf & 0xffffffff;
1704
1705                         switch (reg->match.addr) {
1706                         case 0:/*cx231xx internal registers*/
1707                                         data[0] = (u8) value;
1708                                         data[1] = (u8) (value >> 8);
1709                                         data[2] = (u8) (value >> 16);
1710                                         data[3] = (u8) (value >> 24);
1711                                         ret = cx231xx_write_ctrl_reg(dev,
1712                                                            VRT_SET_REGISTER,
1713                                                            (u16)reg->reg, data,
1714                                                            4);
1715                                         break;
1716                         case 0x600:/* AFE - read byte */
1717                                         ret = cx231xx_write_i2c_master(dev,
1718                                                         AFE_DEVICE_ADDRESS,
1719                                                         (u16)reg->reg, 2,
1720                                                         value, 1 , 0);
1721                                         break;
1722
1723                         case 0x880:/* Video Block - read byte */
1724                                         if (reg->reg < 0x0b)
1725                                                 cx231xx_write_i2c_master(dev,
1726                                                         VID_BLK_I2C_ADDRESS,
1727                                                         (u16)reg->reg, 2,
1728                                                         value, 1, 0);
1729                                         else
1730                                                 cx231xx_write_i2c_master(dev,
1731                                                         VID_BLK_I2C_ADDRESS,
1732                                                         (u16)reg->reg, 2,
1733                                                         value, 4, 0);
1734                                         break;
1735                         case 0x980:
1736                                         ret =
1737                                                 cx231xx_write_i2c_master(dev,
1738                                                         I2S_BLK_DEVICE_ADDRESS,
1739                                                         (u16)reg->reg, 1,
1740                                                         value, 1, 0);
1741                                         break;
1742                         case 0x400:
1743                                         ret =
1744                                                 cx231xx_write_i2c_master(dev,
1745                                                         0x40,
1746                                                         (u16)reg->reg, 1,
1747                                                         value, 1, 0);
1748                                         break;
1749                         case 0xc01:
1750                                         ret =
1751                                                 cx231xx_write_i2c_master(dev,
1752                                                          0xc0,
1753                                                          (u16)reg->reg, 1,
1754                                                          value, 1, 1);
1755                                         break;
1756
1757                         case 0x022:
1758                                         ret =
1759                                                 cx231xx_write_i2c_master(dev,
1760                                                         0x02,
1761                                                         (u16)reg->reg, 1,
1762                                                         value, 1, 2);
1763                         case 0x322:
1764                                         ret =
1765                                                 cx231xx_write_i2c_master(dev,
1766                                                         0x32,
1767                                                         (u16)reg->reg, 1,
1768                                                         value, 4, 2);
1769                                         break;
1770
1771                         case 0x342:
1772                                         ret =
1773                                                 cx231xx_write_i2c_master(dev,
1774                                                         0x34,
1775                                                         (u16)reg->reg, 1,
1776                                                         value, 4, 2);
1777                                         break;
1778                         default:
1779                                 cx231xx_info("no match device address, "
1780                                         "the value is %x\n", reg->match.addr);
1781                                         break;
1782
1783                                         }
1784
1785                 }
1786         default:
1787                 break;
1788         }
1789
1790         call_all(dev, core, s_register, reg);
1791
1792         return ret;
1793 }
1794 #endif
1795
1796 static int vidioc_cropcap(struct file *file, void *priv,
1797                           struct v4l2_cropcap *cc)
1798 {
1799         struct cx231xx_fh *fh = priv;
1800         struct cx231xx *dev = fh->dev;
1801
1802         if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1803                 return -EINVAL;
1804
1805         cc->bounds.left = 0;
1806         cc->bounds.top = 0;
1807         cc->bounds.width = dev->width;
1808         cc->bounds.height = dev->height;
1809         cc->defrect = cc->bounds;
1810         cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
1811         cc->pixelaspect.denominator = 59;
1812
1813         return 0;
1814 }
1815
1816 static int vidioc_streamon(struct file *file, void *priv,
1817                            enum v4l2_buf_type type)
1818 {
1819         struct cx231xx_fh *fh = priv;
1820         struct cx231xx *dev = fh->dev;
1821         int rc;
1822
1823         rc = check_dev(dev);
1824         if (rc < 0)
1825                 return rc;
1826
1827         rc = res_get(fh);
1828
1829         if (likely(rc >= 0))
1830                 rc = videobuf_streamon(&fh->vb_vidq);
1831
1832         call_all(dev, video, s_stream, 1);
1833
1834         return rc;
1835 }
1836
1837 static int vidioc_streamoff(struct file *file, void *priv,
1838                             enum v4l2_buf_type type)
1839 {
1840         struct cx231xx_fh *fh = priv;
1841         struct cx231xx *dev = fh->dev;
1842         int rc;
1843
1844         rc = check_dev(dev);
1845         if (rc < 0)
1846                 return rc;
1847
1848         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1849             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1850                 return -EINVAL;
1851         if (type != fh->type)
1852                 return -EINVAL;
1853
1854         cx25840_call(dev, video, s_stream, 0);
1855
1856         videobuf_streamoff(&fh->vb_vidq);
1857         res_free(fh);
1858
1859         return 0;
1860 }
1861
1862 static int vidioc_querycap(struct file *file, void *priv,
1863                            struct v4l2_capability *cap)
1864 {
1865         struct cx231xx_fh *fh = priv;
1866         struct cx231xx *dev = fh->dev;
1867
1868         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
1869         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
1870         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
1871
1872         cap->version = CX231XX_VERSION_CODE;
1873
1874         cap->capabilities = V4L2_CAP_VBI_CAPTURE |
1875 #if 0
1876                 V4L2_CAP_SLICED_VBI_CAPTURE |
1877 #endif
1878                 V4L2_CAP_VIDEO_CAPTURE  |
1879                 V4L2_CAP_AUDIO          |
1880                 V4L2_CAP_READWRITE      |
1881                 V4L2_CAP_STREAMING;
1882
1883         if (dev->tuner_type != TUNER_ABSENT)
1884                 cap->capabilities |= V4L2_CAP_TUNER;
1885
1886         return 0;
1887 }
1888
1889 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1890                                    struct v4l2_fmtdesc *f)
1891 {
1892         if (unlikely(f->index >= ARRAY_SIZE(format)))
1893                 return -EINVAL;
1894
1895         strlcpy(f->description, format[f->index].name, sizeof(f->description));
1896         f->pixelformat = format[f->index].fourcc;
1897
1898         return 0;
1899 }
1900
1901 /* Sliced VBI ioctls */
1902 static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
1903                                        struct v4l2_format *f)
1904 {
1905         struct cx231xx_fh *fh = priv;
1906         struct cx231xx *dev = fh->dev;
1907         int rc;
1908
1909         rc = check_dev(dev);
1910         if (rc < 0)
1911                 return rc;
1912
1913         f->fmt.sliced.service_set = 0;
1914
1915         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1916
1917         if (f->fmt.sliced.service_set == 0)
1918                 rc = -EINVAL;
1919
1920         return rc;
1921 }
1922
1923 static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
1924                                          struct v4l2_format *f)
1925 {
1926         struct cx231xx_fh *fh = priv;
1927         struct cx231xx *dev = fh->dev;
1928         int rc;
1929
1930         rc = check_dev(dev);
1931         if (rc < 0)
1932                 return rc;
1933
1934         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1935
1936         if (f->fmt.sliced.service_set == 0)
1937                 return -EINVAL;
1938
1939         return 0;
1940 }
1941
1942 /* RAW VBI ioctls */
1943
1944 static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
1945                                 struct v4l2_format *f)
1946 {
1947         struct cx231xx_fh *fh = priv;
1948         struct cx231xx *dev = fh->dev;
1949         f->fmt.vbi.sampling_rate = 6750000 * 4;
1950         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1951         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1952         f->fmt.vbi.offset = 0;
1953         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1954             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1955         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1956             PAL_VBI_LINES : NTSC_VBI_LINES;
1957         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1958             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1959         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1960
1961         return 0;
1962
1963 }
1964
1965 static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
1966                                   struct v4l2_format *f)
1967 {
1968         struct cx231xx_fh *fh = priv;
1969         struct cx231xx *dev = fh->dev;
1970
1971         if (dev->vbi_stream_on && !fh->stream_on) {
1972                 cx231xx_errdev("%s device in use by another fh\n", __func__);
1973                 return -EBUSY;
1974         }
1975
1976         f->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1977         f->fmt.vbi.sampling_rate = 6750000 * 4;
1978         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1979         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1980         f->fmt.vbi.offset = 0;
1981         f->fmt.vbi.flags = 0;
1982         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1983             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1984         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1985             PAL_VBI_LINES : NTSC_VBI_LINES;
1986         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1987             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1988         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1989
1990         return 0;
1991
1992 }
1993
1994 static int vidioc_reqbufs(struct file *file, void *priv,
1995                           struct v4l2_requestbuffers *rb)
1996 {
1997         struct cx231xx_fh *fh = priv;
1998         struct cx231xx *dev = fh->dev;
1999         int rc;
2000
2001         rc = check_dev(dev);
2002         if (rc < 0)
2003                 return rc;
2004
2005         return videobuf_reqbufs(&fh->vb_vidq, rb);
2006 }
2007
2008 static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
2009 {
2010         struct cx231xx_fh *fh = priv;
2011         struct cx231xx *dev = fh->dev;
2012         int rc;
2013
2014         rc = check_dev(dev);
2015         if (rc < 0)
2016                 return rc;
2017
2018         return videobuf_querybuf(&fh->vb_vidq, b);
2019 }
2020
2021 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2022 {
2023         struct cx231xx_fh *fh = priv;
2024         struct cx231xx *dev = fh->dev;
2025         int rc;
2026
2027         rc = check_dev(dev);
2028         if (rc < 0)
2029                 return rc;
2030
2031         return videobuf_qbuf(&fh->vb_vidq, b);
2032 }
2033
2034 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2035 {
2036         struct cx231xx_fh *fh = priv;
2037         struct cx231xx *dev = fh->dev;
2038         int rc;
2039
2040         rc = check_dev(dev);
2041         if (rc < 0)
2042                 return rc;
2043
2044         return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
2045 }
2046
2047 /* ----------------------------------------------------------- */
2048 /* RADIO ESPECIFIC IOCTLS                                      */
2049 /* ----------------------------------------------------------- */
2050
2051 static int radio_querycap(struct file *file, void *priv,
2052                           struct v4l2_capability *cap)
2053 {
2054         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2055
2056         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
2057         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
2058         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
2059
2060         cap->version = CX231XX_VERSION_CODE;
2061         cap->capabilities = V4L2_CAP_TUNER;
2062         return 0;
2063 }
2064
2065 static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2066 {
2067         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2068
2069         if (unlikely(t->index > 0))
2070                 return -EINVAL;
2071
2072         strcpy(t->name, "Radio");
2073         t->type = V4L2_TUNER_RADIO;
2074
2075         call_all(dev, tuner, s_tuner, t);
2076
2077         return 0;
2078 }
2079
2080 static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i)
2081 {
2082         if (i->index != 0)
2083                 return -EINVAL;
2084         strcpy(i->name, "Radio");
2085         i->type = V4L2_INPUT_TYPE_TUNER;
2086
2087         return 0;
2088 }
2089
2090 static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2091 {
2092         if (unlikely(a->index))
2093                 return -EINVAL;
2094
2095         strcpy(a->name, "Radio");
2096         return 0;
2097 }
2098
2099 static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2100 {
2101         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2102
2103         if (0 != t->index)
2104                 return -EINVAL;
2105
2106         call_all(dev, tuner, s_tuner, t);
2107
2108         return 0;
2109 }
2110
2111 static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
2112 {
2113         return 0;
2114 }
2115
2116 static int radio_s_input(struct file *file, void *fh, unsigned int i)
2117 {
2118         return 0;
2119 }
2120
2121 static int radio_queryctrl(struct file *file, void *priv,
2122                            struct v4l2_queryctrl *c)
2123 {
2124         int i;
2125
2126         if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1)
2127                 return -EINVAL;
2128         if (c->id == V4L2_CID_AUDIO_MUTE) {
2129                 for (i = 0; i < CX231XX_CTLS; i++) {
2130                         if (cx231xx_ctls[i].v.id == c->id)
2131                                 break;
2132                 }
2133                 if (i == CX231XX_CTLS)
2134                         return -EINVAL;
2135                 *c = cx231xx_ctls[i].v;
2136         } else
2137                 *c = no_ctl;
2138         return 0;
2139 }
2140
2141 /*
2142  * cx231xx_v4l2_open()
2143  * inits the device and starts isoc transfer
2144  */
2145 static int cx231xx_v4l2_open(struct file *filp)
2146 {
2147         int errCode = 0, radio = 0;
2148         struct video_device *vdev = video_devdata(filp);
2149         struct cx231xx *dev = video_drvdata(filp);
2150         struct cx231xx_fh *fh;
2151         enum v4l2_buf_type fh_type = 0;
2152
2153         switch (vdev->vfl_type) {
2154         case VFL_TYPE_GRABBER:
2155                 fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2156                 break;
2157         case VFL_TYPE_VBI:
2158                 fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
2159                 break;
2160         case VFL_TYPE_RADIO:
2161                 radio = 1;
2162                 break;
2163         }
2164
2165         cx231xx_videodbg("open dev=%s type=%s users=%d\n",
2166                          video_device_node_name(vdev), v4l2_type_names[fh_type],
2167                          dev->users);
2168
2169 #if 0
2170         errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2171         if (errCode < 0) {
2172                 cx231xx_errdev
2173                     ("Device locked on digital mode. Can't open analog\n");
2174                 return -EBUSY;
2175         }
2176 #endif
2177
2178         fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
2179         if (!fh) {
2180                 cx231xx_errdev("cx231xx-video.c: Out of memory?!\n");
2181                 return -ENOMEM;
2182         }
2183         fh->dev = dev;
2184         fh->radio = radio;
2185         fh->type = fh_type;
2186         filp->private_data = fh;
2187
2188         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
2189                 dev->width = norm_maxw(dev);
2190                 dev->height = norm_maxh(dev);
2191
2192                 /* Power up in Analog TV mode */
2193                 if (dev->board.external_av)
2194                         cx231xx_set_power_mode(dev,
2195                                  POLARIS_AVMODE_ENXTERNAL_AV);
2196                 else
2197                         cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
2198
2199 #if 0
2200                 cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2201 #endif
2202
2203                 /* set video alternate setting */
2204                 cx231xx_set_video_alternate(dev);
2205
2206                 /* Needed, since GPIO might have disabled power of
2207                    some i2c device */
2208                 cx231xx_config_i2c(dev);
2209
2210                 /* device needs to be initialized before isoc transfer */
2211                 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
2212
2213         }
2214         if (fh->radio) {
2215                 cx231xx_videodbg("video_open: setting radio device\n");
2216
2217                 /* cx231xx_start_radio(dev); */
2218
2219                 call_all(dev, tuner, s_radio);
2220         }
2221
2222         dev->users++;
2223
2224         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
2225                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
2226                                             NULL, &dev->video_mode.slock,
2227                                             fh->type, V4L2_FIELD_INTERLACED,
2228                                             sizeof(struct cx231xx_buffer),
2229                                             fh, &dev->lock);
2230         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2231                 /* Set the required alternate setting  VBI interface works in
2232                    Bulk mode only */
2233                 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2234
2235                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
2236                                             NULL, &dev->vbi_mode.slock,
2237                                             fh->type, V4L2_FIELD_SEQ_TB,
2238                                             sizeof(struct cx231xx_buffer),
2239                                             fh, &dev->lock);
2240         }
2241
2242         return errCode;
2243 }
2244
2245 /*
2246  * cx231xx_realease_resources()
2247  * unregisters the v4l2,i2c and usb devices
2248  * called when the device gets disconected or at module unload
2249 */
2250 void cx231xx_release_analog_resources(struct cx231xx *dev)
2251 {
2252
2253         /*FIXME: I2C IR should be disconnected */
2254
2255         if (dev->radio_dev) {
2256                 if (video_is_registered(dev->radio_dev))
2257                         video_unregister_device(dev->radio_dev);
2258                 else
2259                         video_device_release(dev->radio_dev);
2260                 dev->radio_dev = NULL;
2261         }
2262         if (dev->vbi_dev) {
2263                 cx231xx_info("V4L2 device %s deregistered\n",
2264                              video_device_node_name(dev->vbi_dev));
2265                 if (video_is_registered(dev->vbi_dev))
2266                         video_unregister_device(dev->vbi_dev);
2267                 else
2268                         video_device_release(dev->vbi_dev);
2269                 dev->vbi_dev = NULL;
2270         }
2271         if (dev->vdev) {
2272                 cx231xx_info("V4L2 device %s deregistered\n",
2273                              video_device_node_name(dev->vdev));
2274
2275                 if (dev->board.has_417)
2276                         cx231xx_417_unregister(dev);
2277
2278                 if (video_is_registered(dev->vdev))
2279                         video_unregister_device(dev->vdev);
2280                 else
2281                         video_device_release(dev->vdev);
2282                 dev->vdev = NULL;
2283         }
2284 }
2285
2286 /*
2287  * cx231xx_v4l2_close()
2288  * stops streaming and deallocates all resources allocated by the v4l2
2289  * calls and ioctls
2290  */
2291 static int cx231xx_v4l2_close(struct file *filp)
2292 {
2293         struct cx231xx_fh *fh = filp->private_data;
2294         struct cx231xx *dev = fh->dev;
2295
2296         cx231xx_videodbg("users=%d\n", dev->users);
2297
2298         cx231xx_videodbg("users=%d\n", dev->users);
2299         if (res_check(fh))
2300                 res_free(fh);
2301
2302         /*
2303          * To workaround error number=-71 on EP0 for VideoGrabber,
2304          *       need exclude following.
2305          * FIXME: It is probably safe to remove most of these, as we're
2306          * now avoiding the alternate setting for INDEX_VANC
2307          */
2308         if (!dev->board.no_alt_vanc)
2309                 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2310                         videobuf_stop(&fh->vb_vidq);
2311                         videobuf_mmap_free(&fh->vb_vidq);
2312
2313                         /* the device is already disconnect,
2314                            free the remaining resources */
2315                         if (dev->state & DEV_DISCONNECTED) {
2316                                 if (atomic_read(&dev->devlist_count) > 0) {
2317                                         cx231xx_release_resources(dev);
2318                                         kfree(dev);
2319                                         dev = NULL;
2320                                         return 0;
2321                                 }
2322                                 return 0;
2323                         }
2324
2325                         /* do this before setting alternate! */
2326                         cx231xx_uninit_vbi_isoc(dev);
2327
2328                         /* set alternate 0 */
2329                         if (!dev->vbi_or_sliced_cc_mode)
2330                                 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2331                         else
2332                                 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
2333
2334                         kfree(fh);
2335                         dev->users--;
2336                         wake_up_interruptible_nr(&dev->open, 1);
2337                         return 0;
2338                 }
2339
2340         if (dev->users == 1) {
2341                 videobuf_stop(&fh->vb_vidq);
2342                 videobuf_mmap_free(&fh->vb_vidq);
2343
2344                 /* the device is already disconnect,
2345                    free the remaining resources */
2346                 if (dev->state & DEV_DISCONNECTED) {
2347                         cx231xx_release_resources(dev);
2348                         kfree(dev);
2349                         dev = NULL;
2350                         return 0;
2351                 }
2352
2353                 /* Save some power by putting tuner to sleep */
2354                 call_all(dev, core, s_power, 0);
2355
2356                 /* do this before setting alternate! */
2357                 if (dev->USE_ISO)
2358                         cx231xx_uninit_isoc(dev);
2359                 else
2360                         cx231xx_uninit_bulk(dev);
2361                 cx231xx_set_mode(dev, CX231XX_SUSPEND);
2362
2363                 /* set alternate 0 */
2364                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
2365         }
2366         kfree(fh);
2367         dev->users--;
2368         wake_up_interruptible_nr(&dev->open, 1);
2369         return 0;
2370 }
2371
2372 /*
2373  * cx231xx_v4l2_read()
2374  * will allocate buffers when called for the first time
2375  */
2376 static ssize_t
2377 cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
2378                   loff_t *pos)
2379 {
2380         struct cx231xx_fh *fh = filp->private_data;
2381         struct cx231xx *dev = fh->dev;
2382         int rc;
2383
2384         rc = check_dev(dev);
2385         if (rc < 0)
2386                 return rc;
2387
2388         if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
2389             (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
2390                 rc = res_get(fh);
2391
2392                 if (unlikely(rc < 0))
2393                         return rc;
2394
2395                 return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
2396                                             filp->f_flags & O_NONBLOCK);
2397         }
2398         return 0;
2399 }
2400
2401 /*
2402  * cx231xx_v4l2_poll()
2403  * will allocate buffers when called for the first time
2404  */
2405 static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
2406 {
2407         struct cx231xx_fh *fh = filp->private_data;
2408         struct cx231xx *dev = fh->dev;
2409         int rc;
2410
2411         rc = check_dev(dev);
2412         if (rc < 0)
2413                 return rc;
2414
2415         rc = res_get(fh);
2416
2417         if (unlikely(rc < 0))
2418                 return POLLERR;
2419
2420         if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
2421             (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type))
2422                 return videobuf_poll_stream(filp, &fh->vb_vidq, wait);
2423         else
2424                 return POLLERR;
2425 }
2426
2427 /*
2428  * cx231xx_v4l2_mmap()
2429  */
2430 static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
2431 {
2432         struct cx231xx_fh *fh = filp->private_data;
2433         struct cx231xx *dev = fh->dev;
2434         int rc;
2435
2436         rc = check_dev(dev);
2437         if (rc < 0)
2438                 return rc;
2439
2440         rc = res_get(fh);
2441
2442         if (unlikely(rc < 0))
2443                 return rc;
2444
2445         rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
2446
2447         cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
2448                          (unsigned long)vma->vm_start,
2449                          (unsigned long)vma->vm_end -
2450                          (unsigned long)vma->vm_start, rc);
2451
2452         return rc;
2453 }
2454
2455 static const struct v4l2_file_operations cx231xx_v4l_fops = {
2456         .owner   = THIS_MODULE,
2457         .open    = cx231xx_v4l2_open,
2458         .release = cx231xx_v4l2_close,
2459         .read    = cx231xx_v4l2_read,
2460         .poll    = cx231xx_v4l2_poll,
2461         .mmap    = cx231xx_v4l2_mmap,
2462         .unlocked_ioctl   = video_ioctl2,
2463 };
2464
2465 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2466         .vidioc_querycap               = vidioc_querycap,
2467         .vidioc_enum_fmt_vid_cap       = vidioc_enum_fmt_vid_cap,
2468         .vidioc_g_fmt_vid_cap          = vidioc_g_fmt_vid_cap,
2469         .vidioc_try_fmt_vid_cap        = vidioc_try_fmt_vid_cap,
2470         .vidioc_s_fmt_vid_cap          = vidioc_s_fmt_vid_cap,
2471         .vidioc_g_fmt_vbi_cap          = vidioc_g_fmt_vbi_cap,
2472         .vidioc_try_fmt_vbi_cap        = vidioc_try_fmt_vbi_cap,
2473         .vidioc_s_fmt_vbi_cap          = vidioc_try_fmt_vbi_cap,
2474         .vidioc_g_audio                =  vidioc_g_audio,
2475         .vidioc_s_audio                = vidioc_s_audio,
2476         .vidioc_cropcap                = vidioc_cropcap,
2477         .vidioc_g_fmt_sliced_vbi_cap   = vidioc_g_fmt_sliced_vbi_cap,
2478         .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
2479         .vidioc_reqbufs                = vidioc_reqbufs,
2480         .vidioc_querybuf               = vidioc_querybuf,
2481         .vidioc_qbuf                   = vidioc_qbuf,
2482         .vidioc_dqbuf                  = vidioc_dqbuf,
2483         .vidioc_s_std                  = vidioc_s_std,
2484         .vidioc_g_std                  = vidioc_g_std,
2485         .vidioc_enum_input             = vidioc_enum_input,
2486         .vidioc_g_input                = vidioc_g_input,
2487         .vidioc_s_input                = vidioc_s_input,
2488         .vidioc_queryctrl              = vidioc_queryctrl,
2489         .vidioc_g_ctrl                 = vidioc_g_ctrl,
2490         .vidioc_s_ctrl                 = vidioc_s_ctrl,
2491         .vidioc_streamon               = vidioc_streamon,
2492         .vidioc_streamoff              = vidioc_streamoff,
2493         .vidioc_g_tuner                = vidioc_g_tuner,
2494         .vidioc_s_tuner                = vidioc_s_tuner,
2495         .vidioc_g_frequency            = vidioc_g_frequency,
2496         .vidioc_s_frequency            = vidioc_s_frequency,
2497 #ifdef CONFIG_VIDEO_ADV_DEBUG
2498         .vidioc_g_register             = vidioc_g_register,
2499         .vidioc_s_register             = vidioc_s_register,
2500 #endif
2501 };
2502
2503 static struct video_device cx231xx_vbi_template;
2504
2505 static const struct video_device cx231xx_video_template = {
2506         .fops         = &cx231xx_v4l_fops,
2507         .release      = video_device_release,
2508         .ioctl_ops    = &video_ioctl_ops,
2509         .tvnorms      = V4L2_STD_ALL,
2510         .current_norm = V4L2_STD_PAL,
2511 };
2512
2513 static const struct v4l2_file_operations radio_fops = {
2514         .owner   = THIS_MODULE,
2515         .open   = cx231xx_v4l2_open,
2516         .release = cx231xx_v4l2_close,
2517         .ioctl   = video_ioctl2,
2518 };
2519
2520 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2521         .vidioc_querycap    = radio_querycap,
2522         .vidioc_g_tuner     = radio_g_tuner,
2523         .vidioc_enum_input  = radio_enum_input,
2524         .vidioc_g_audio     = radio_g_audio,
2525         .vidioc_s_tuner     = radio_s_tuner,
2526         .vidioc_s_audio     = radio_s_audio,
2527         .vidioc_s_input     = radio_s_input,
2528         .vidioc_queryctrl   = radio_queryctrl,
2529         .vidioc_g_ctrl      = vidioc_g_ctrl,
2530         .vidioc_s_ctrl      = vidioc_s_ctrl,
2531         .vidioc_g_frequency = vidioc_g_frequency,
2532         .vidioc_s_frequency = vidioc_s_frequency,
2533 #ifdef CONFIG_VIDEO_ADV_DEBUG
2534         .vidioc_g_register  = vidioc_g_register,
2535         .vidioc_s_register  = vidioc_s_register,
2536 #endif
2537 };
2538
2539 static struct video_device cx231xx_radio_template = {
2540         .name      = "cx231xx-radio",
2541         .fops      = &radio_fops,
2542         .ioctl_ops = &radio_ioctl_ops,
2543 };
2544
2545 /******************************** usb interface ******************************/
2546
2547 static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
2548                 const struct video_device
2549                 *template, const char *type_name)
2550 {
2551         struct video_device *vfd;
2552
2553         vfd = video_device_alloc();
2554         if (NULL == vfd)
2555                 return NULL;
2556
2557         *vfd = *template;
2558         vfd->v4l2_dev = &dev->v4l2_dev;
2559         vfd->release = video_device_release;
2560         vfd->debug = video_debug;
2561         vfd->lock = &dev->lock;
2562
2563         snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
2564
2565         video_set_drvdata(vfd, dev);
2566         return vfd;
2567 }
2568
2569 int cx231xx_register_analog_devices(struct cx231xx *dev)
2570 {
2571         int ret;
2572
2573         cx231xx_info("%s: v4l2 driver version %d.%d.%d\n",
2574                      dev->name,
2575                      (CX231XX_VERSION_CODE >> 16) & 0xff,
2576                      (CX231XX_VERSION_CODE >> 8) & 0xff,
2577                      CX231XX_VERSION_CODE & 0xff);
2578
2579         /* set default norm */
2580         /*dev->norm = cx231xx_video_template.current_norm; */
2581         dev->width = norm_maxw(dev);
2582         dev->height = norm_maxh(dev);
2583         dev->interlaced = 0;
2584
2585         /* Analog specific initialization */
2586         dev->format = &format[0];
2587
2588         /* Set the initial input */
2589         video_mux(dev, dev->video_input);
2590
2591         /* Audio defaults */
2592         dev->mute = 1;
2593         dev->volume = 0x1f;
2594
2595         /* enable vbi capturing */
2596         /* write code here...  */
2597
2598         /* allocate and fill video video_device struct */
2599         dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video");
2600         if (!dev->vdev) {
2601                 cx231xx_errdev("cannot allocate video_device.\n");
2602                 return -ENODEV;
2603         }
2604
2605         /* register v4l2 video video_device */
2606         ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
2607                                     video_nr[dev->devno]);
2608         if (ret) {
2609                 cx231xx_errdev("unable to register video device (error=%i).\n",
2610                                ret);
2611                 return ret;
2612         }
2613
2614         cx231xx_info("%s/0: registered device %s [v4l2]\n",
2615                      dev->name, video_device_node_name(dev->vdev));
2616
2617         /* Initialize VBI template */
2618         memcpy(&cx231xx_vbi_template, &cx231xx_video_template,
2619                sizeof(cx231xx_vbi_template));
2620         strcpy(cx231xx_vbi_template.name, "cx231xx-vbi");
2621
2622         /* Allocate and fill vbi video_device struct */
2623         dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi");
2624
2625         /* register v4l2 vbi video_device */
2626         ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
2627                                     vbi_nr[dev->devno]);
2628         if (ret < 0) {
2629                 cx231xx_errdev("unable to register vbi device\n");
2630                 return ret;
2631         }
2632
2633         cx231xx_info("%s/0: registered device %s\n",
2634                      dev->name, video_device_node_name(dev->vbi_dev));
2635
2636         if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
2637                 dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template,
2638                                                    "radio");
2639                 if (!dev->radio_dev) {
2640                         cx231xx_errdev("cannot allocate video_device.\n");
2641                         return -ENODEV;
2642                 }
2643                 ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
2644                                             radio_nr[dev->devno]);
2645                 if (ret < 0) {
2646                         cx231xx_errdev("can't register radio device\n");
2647                         return ret;
2648                 }
2649                 cx231xx_info("Registered radio device as %s\n",
2650                              video_device_node_name(dev->radio_dev));
2651         }
2652
2653         cx231xx_info("V4L2 device registered as %s and %s\n",
2654                      video_device_node_name(dev->vdev),
2655                      video_device_node_name(dev->vbi_dev));
2656
2657         return 0;
2658 }