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/mm.h>
  33 #include <linux/mutex.h>
  34 #include <linux/slab.h>
  35
  36 #include <media/v4l2-common.h>
  37 #include <media/v4l2-ioctl.h>
  38 #include <media/v4l2-chip-ident.h>
  39 #include <media/msp3400.h>
  40 #include <media/tuner.h>
  41
  42 #include "dvb_frontend.h"
  43
  44 #include "cx231xx.h"
  45 #include "cx231xx-vbi.h"
  46
  47 #define CX231XX_VERSION "0.0.2"
  48
  49 #define DRIVER_AUTHOR   "Srinivasa Deevi <srinivasa.deevi@conexant.com>"
  50 #define DRIVER_DESC     "Conexant cx231xx based USB video device driver"
  51
  52 #define cx231xx_videodbg(fmt, arg...) do {\
  53         if (video_debug) \
  54                 printk(KERN_INFO "%s %s :"fmt, \
  55                          dev->name, __func__ , ##arg); } while (0)
  56
  57 static unsigned int isoc_debug;
  58 module_param(isoc_debug, int, 0644);
  59 MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
  60
  61 #define cx231xx_isocdbg(fmt, arg...) \
  62 do {\
  63         if (isoc_debug) { \
  64                 printk(KERN_INFO "%s %s :"fmt, \
  65                          dev->name, __func__ , ##arg); \
  66         } \
  67   } while (0)
  68
  69 MODULE_AUTHOR(DRIVER_AUTHOR);
  70 MODULE_DESCRIPTION(DRIVER_DESC);
  71 MODULE_LICENSE("GPL");
  72 MODULE_VERSION(CX231XX_VERSION);
  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         u32 gen_stat;
1183         unsigned int ret, n;
1184
1185         n = i->index;
1186         if (n >= MAX_CX231XX_INPUT)
1187                 return -EINVAL;
1188         if (0 == INPUT(n)->type)
1189                 return -EINVAL;
1190
1191         i->index = n;
1192         i->type = V4L2_INPUT_TYPE_CAMERA;
1193
1194         strcpy(i->name, iname[INPUT(n)->type]);
1195
1196         if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
1197             (CX231XX_VMUX_CABLE == INPUT(n)->type))
1198                 i->type = V4L2_INPUT_TYPE_TUNER;
1199
1200         i->std = dev->vdev->tvnorms;
1201
1202         /* If they are asking about the active input, read signal status */
1203         if (n == dev->video_input) {
1204                 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1205                                             GEN_STAT, 2, &gen_stat, 4);
1206                 if (ret > 0) {
1207                         if ((gen_stat & FLD_VPRES) == 0x00)
1208                                 i->status |= V4L2_IN_ST_NO_SIGNAL;
1209                         if ((gen_stat & FLD_HLOCK) == 0x00)
1210                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1211                 }
1212         }
1213
1214         return 0;
1215 }
1216
1217 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1218 {
1219         struct cx231xx_fh *fh = priv;
1220         struct cx231xx *dev = fh->dev;
1221
1222         *i = dev->video_input;
1223
1224         return 0;
1225 }
1226
1227 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1228 {
1229         struct cx231xx_fh *fh = priv;
1230         struct cx231xx *dev = fh->dev;
1231         int rc;
1232
1233         dev->mode_tv = 0;
1234         rc = check_dev(dev);
1235         if (rc < 0)
1236                 return rc;
1237
1238         if (i >= MAX_CX231XX_INPUT)
1239                 return -EINVAL;
1240         if (0 == INPUT(i)->type)
1241                 return -EINVAL;
1242
1243         video_mux(dev, i);
1244
1245         if (INPUT(i)->type == CX231XX_VMUX_TELEVISION ||
1246             INPUT(i)->type == CX231XX_VMUX_CABLE) {
1247                 /* There's a tuner, so reset the standard and put it on the
1248                    last known frequency (since it was probably powered down
1249                    until now */
1250                 call_all(dev, core, s_std, dev->norm);
1251         }
1252
1253         return 0;
1254 }
1255
1256 static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
1257 {
1258         struct cx231xx_fh *fh = priv;
1259         struct cx231xx *dev = fh->dev;
1260
1261         switch (a->index) {
1262         case CX231XX_AMUX_VIDEO:
1263                 strcpy(a->name, "Television");
1264                 break;
1265         case CX231XX_AMUX_LINE_IN:
1266                 strcpy(a->name, "Line In");
1267                 break;
1268         default:
1269                 return -EINVAL;
1270         }
1271
1272         a->index = dev->ctl_ainput;
1273         a->capability = V4L2_AUDCAP_STEREO;
1274
1275         return 0;
1276 }
1277
1278 static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
1279 {
1280         struct cx231xx_fh *fh = priv;
1281         struct cx231xx *dev = fh->dev;
1282         int status = 0;
1283
1284         /* Doesn't allow manual routing */
1285         if (a->index != dev->ctl_ainput)
1286                 return -EINVAL;
1287
1288         dev->ctl_ainput = INPUT(a->index)->amux;
1289         status = cx231xx_set_audio_input(dev, dev->ctl_ainput);
1290
1291         return status;
1292 }
1293
1294 static int vidioc_queryctrl(struct file *file, void *priv,
1295                             struct v4l2_queryctrl *qc)
1296 {
1297         struct cx231xx_fh *fh = priv;
1298         struct cx231xx *dev = fh->dev;
1299         int id = qc->id;
1300         int i;
1301         int rc;
1302
1303         rc = check_dev(dev);
1304         if (rc < 0)
1305                 return rc;
1306
1307         qc->id = v4l2_ctrl_next(ctrl_classes, qc->id);
1308         if (unlikely(qc->id == 0))
1309                 return -EINVAL;
1310
1311         memset(qc, 0, sizeof(*qc));
1312
1313         qc->id = id;
1314
1315         if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1)
1316                 return -EINVAL;
1317
1318         for (i = 0; i < CX231XX_CTLS; i++)
1319                 if (cx231xx_ctls[i].v.id == qc->id)
1320                         break;
1321
1322         if (i == CX231XX_CTLS) {
1323                 *qc = no_ctl;
1324                 return 0;
1325         }
1326         *qc = cx231xx_ctls[i].v;
1327
1328         call_all(dev, core, queryctrl, qc);
1329
1330         if (qc->type)
1331                 return 0;
1332         else
1333                 return -EINVAL;
1334 }
1335
1336 static int vidioc_g_ctrl(struct file *file, void *priv,
1337                          struct v4l2_control *ctrl)
1338 {
1339         struct cx231xx_fh *fh = priv;
1340         struct cx231xx *dev = fh->dev;
1341         int rc;
1342
1343         rc = check_dev(dev);
1344         if (rc < 0)
1345                 return rc;
1346
1347         call_all(dev, core, g_ctrl, ctrl);
1348         return rc;
1349 }
1350
1351 static int vidioc_s_ctrl(struct file *file, void *priv,
1352                          struct v4l2_control *ctrl)
1353 {
1354         struct cx231xx_fh *fh = priv;
1355         struct cx231xx *dev = fh->dev;
1356         int rc;
1357
1358         rc = check_dev(dev);
1359         if (rc < 0)
1360                 return rc;
1361
1362         call_all(dev, core, s_ctrl, ctrl);
1363         return rc;
1364 }
1365
1366 static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1367 {
1368         struct cx231xx_fh *fh = priv;
1369         struct cx231xx *dev = fh->dev;
1370         int rc;
1371
1372         rc = check_dev(dev);
1373         if (rc < 0)
1374                 return rc;
1375
1376         if (0 != t->index)
1377                 return -EINVAL;
1378
1379         strcpy(t->name, "Tuner");
1380
1381         t->type = V4L2_TUNER_ANALOG_TV;
1382         t->capability = V4L2_TUNER_CAP_NORM;
1383         t->rangehigh = 0xffffffffUL;
1384         t->signal = 0xffff;     /* LOCKED */
1385
1386         return 0;
1387 }
1388
1389 static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1390 {
1391         struct cx231xx_fh *fh = priv;
1392         struct cx231xx *dev = fh->dev;
1393         int rc;
1394
1395         rc = check_dev(dev);
1396         if (rc < 0)
1397                 return rc;
1398
1399         if (0 != t->index)
1400                 return -EINVAL;
1401 #if 0
1402         call_all(dev, tuner, s_tuner, t);
1403 #endif
1404         return 0;
1405 }
1406
1407 static int vidioc_g_frequency(struct file *file, void *priv,
1408                               struct v4l2_frequency *f)
1409 {
1410         struct cx231xx_fh *fh = priv;
1411         struct cx231xx *dev = fh->dev;
1412
1413         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1414         f->frequency = dev->ctl_freq;
1415
1416         call_all(dev, tuner, g_frequency, f);
1417
1418         return 0;
1419 }
1420
1421 static int vidioc_s_frequency(struct file *file, void *priv,
1422                               struct v4l2_frequency *f)
1423 {
1424         struct cx231xx_fh *fh = priv;
1425         struct cx231xx *dev = fh->dev;
1426         int rc;
1427         u32 if_frequency = 5400000;
1428
1429         cx231xx_info("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
1430                  f->frequency, f->type);
1431         /*cx231xx_info("f->type:  1-radio 2-analogTV 3-digitalTV\n");*/
1432
1433         rc = check_dev(dev);
1434         if (rc < 0)
1435                 return rc;
1436
1437         if (0 != f->tuner)
1438                 return -EINVAL;
1439
1440         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1441                 return -EINVAL;
1442         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1443                 return -EINVAL;
1444
1445         /* set pre channel change settings in DIF first */
1446         rc = cx231xx_tuner_pre_channel_change(dev);
1447
1448         dev->ctl_freq = f->frequency;
1449         call_all(dev, tuner, s_frequency, f);
1450
1451         /* set post channel change settings in DIF first */
1452         rc = cx231xx_tuner_post_channel_change(dev);
1453
1454         if (dev->tuner_type == TUNER_NXP_TDA18271) {
1455                 if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443))
1456                         if_frequency = 5400000;  /*5.4MHz       */
1457                 else if (dev->norm & V4L2_STD_B)
1458                         if_frequency = 6000000;  /*6.0MHz       */
1459                 else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK))
1460                         if_frequency = 6900000;  /*6.9MHz       */
1461                 else if (dev->norm & V4L2_STD_GH)
1462                         if_frequency = 7100000;  /*7.1MHz       */
1463                 else if (dev->norm & V4L2_STD_PAL_I)
1464                         if_frequency = 7250000;  /*7.25MHz      */
1465                 else if (dev->norm & V4L2_STD_SECAM_L)
1466                         if_frequency = 6900000;  /*6.9MHz       */
1467                 else if (dev->norm & V4L2_STD_SECAM_LC)
1468                         if_frequency = 1250000;  /*1.25MHz      */
1469
1470                 cx231xx_info("if_frequency is set to %d\n", if_frequency);
1471                 cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1);
1472
1473                 update_HH_register_after_set_DIF(dev);
1474         }
1475
1476         cx231xx_info("Set New FREQUENCY to %d\n", f->frequency);
1477
1478         return rc;
1479 }
1480
1481 #ifdef CONFIG_VIDEO_ADV_DEBUG
1482
1483 /*
1484   -R, --list-registers=type=<host/i2cdrv/i2caddr>,
1485                                 chip=<chip>[,min=<addr>,max=<addr>]
1486                      dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER]
1487   -r, --set-register=type=<host/i2cdrv/i2caddr>,
1488                                 chip=<chip>,reg=<addr>,val=<val>
1489                      set the register [VIDIOC_DBG_S_REGISTER]
1490
1491   if type == host, then <chip> is the hosts chip ID (default 0)
1492   if type == i2cdrv (default), then <chip> is the I2C driver name or ID
1493   if type == i2caddr, then <chip> is the 7-bit I2C address
1494 */
1495
1496 static int vidioc_g_register(struct file *file, void *priv,
1497                              struct v4l2_dbg_register *reg)
1498 {
1499         struct cx231xx_fh *fh = priv;
1500         struct cx231xx *dev = fh->dev;
1501         int ret = 0;
1502         u8 value[4] = { 0, 0, 0, 0 };
1503         u32 data = 0;
1504
1505         switch (reg->match.type) {
1506         case V4L2_CHIP_MATCH_HOST:
1507                 switch (reg->match.addr) {
1508                 case 0: /* Cx231xx - internal registers */
1509                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1510                                                   (u16)reg->reg, value, 4);
1511                         reg->val = value[0] | value[1] << 8 |
1512                                    value[2] << 16 | value[3] << 24;
1513                         break;
1514                 case 1: /* AFE - read byte */
1515                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1516                                                   (u16)reg->reg, 2, &data, 1);
1517                         reg->val = le32_to_cpu(data & 0xff);
1518                         break;
1519                 case 14: /* AFE - read dword */
1520                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1521                                                   (u16)reg->reg, 2, &data, 4);
1522                         reg->val = le32_to_cpu(data);
1523                         break;
1524                 case 2: /* Video Block - read byte */
1525                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1526                                                   (u16)reg->reg, 2, &data, 1);
1527                         reg->val = le32_to_cpu(data & 0xff);
1528                         break;
1529                 case 24: /* Video Block - read dword */
1530                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1531                                                   (u16)reg->reg, 2, &data, 4);
1532                         reg->val = le32_to_cpu(data);
1533                         break;
1534                 case 3: /* I2S block - read byte */
1535                         ret = cx231xx_read_i2c_data(dev,
1536                                                     I2S_BLK_DEVICE_ADDRESS,
1537                                                     (u16)reg->reg, 1,
1538                                                     &data, 1);
1539                         reg->val = le32_to_cpu(data & 0xff);
1540                         break;
1541                 case 34: /* I2S Block - read dword */
1542                         ret =
1543                             cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1544                                                   (u16)reg->reg, 1, &data, 4);
1545                         reg->val = le32_to_cpu(data);
1546                         break;
1547                 }
1548                 return ret < 0 ? ret : 0;
1549
1550         case V4L2_CHIP_MATCH_I2C_DRIVER:
1551                 call_all(dev, core, g_register, reg);
1552                 return 0;
1553         case V4L2_CHIP_MATCH_I2C_ADDR:/*for register debug*/
1554                 switch (reg->match.addr) {
1555                 case 0: /* Cx231xx - internal registers */
1556                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1557                                                   (u16)reg->reg, value, 4);
1558                         reg->val = value[0] | value[1] << 8 |
1559                                    value[2] << 16 | value[3] << 24;
1560
1561                         break;
1562                 case 0x600:/* AFE - read byte */
1563                         ret = cx231xx_read_i2c_master(dev, AFE_DEVICE_ADDRESS,
1564                                                  (u16)reg->reg, 2,
1565                                                  &data, 1 , 0);
1566                         reg->val = le32_to_cpu(data & 0xff);
1567                         break;
1568
1569                 case 0x880:/* Video Block - read byte */
1570                         if (reg->reg < 0x0b) {
1571                                 ret = cx231xx_read_i2c_master(dev,
1572                                                 VID_BLK_I2C_ADDRESS,
1573                                                  (u16)reg->reg, 2,
1574                                                  &data, 1 , 0);
1575                                 reg->val = le32_to_cpu(data & 0xff);
1576                         } else {
1577                                 ret = cx231xx_read_i2c_master(dev,
1578                                                 VID_BLK_I2C_ADDRESS,
1579                                                  (u16)reg->reg, 2,
1580                                                  &data, 4 , 0);
1581                                 reg->val = le32_to_cpu(data);
1582                         }
1583                         break;
1584                 case 0x980:
1585                         ret = cx231xx_read_i2c_master(dev,
1586                                                 I2S_BLK_DEVICE_ADDRESS,
1587                                                 (u16)reg->reg, 1,
1588                                                 &data, 1 , 0);
1589                         reg->val = le32_to_cpu(data & 0xff);
1590                         break;
1591                 case 0x400:
1592                         ret =
1593                             cx231xx_read_i2c_master(dev, 0x40,
1594                                                   (u16)reg->reg, 1,
1595                                                  &data, 1 , 0);
1596                         reg->val = le32_to_cpu(data & 0xff);
1597                         break;
1598                 case 0xc01:
1599                         ret =
1600                                 cx231xx_read_i2c_master(dev, 0xc0,
1601                                                 (u16)reg->reg, 2,
1602                                                  &data, 38, 1);
1603                         reg->val = le32_to_cpu(data);
1604                         break;
1605                 case 0x022:
1606                         ret =
1607                                 cx231xx_read_i2c_master(dev, 0x02,
1608                                                 (u16)reg->reg, 1,
1609                                                  &data, 1, 2);
1610                         reg->val = le32_to_cpu(data & 0xff);
1611                         break;
1612                 case 0x322:
1613                         ret = cx231xx_read_i2c_master(dev,
1614                                                 0x32,
1615                                                  (u16)reg->reg, 1,
1616                                                  &data, 4 , 2);
1617                                 reg->val = le32_to_cpu(data);
1618                         break;
1619                 case 0x342:
1620                         ret = cx231xx_read_i2c_master(dev,
1621                                                 0x34,
1622                                                  (u16)reg->reg, 1,
1623                                                  &data, 4 , 2);
1624                                 reg->val = le32_to_cpu(data);
1625                         break;
1626
1627                 default:
1628                         cx231xx_info("no match device address!!\n");
1629                         break;
1630                         }
1631                 return ret < 0 ? ret : 0;
1632                 /*return -EINVAL;*/
1633         default:
1634                 if (!v4l2_chip_match_host(&reg->match))
1635                         return -EINVAL;
1636         }
1637
1638         call_all(dev, core, g_register, reg);
1639
1640         return ret;
1641 }
1642
1643 static int vidioc_s_register(struct file *file, void *priv,
1644                              struct v4l2_dbg_register *reg)
1645 {
1646         struct cx231xx_fh *fh = priv;
1647         struct cx231xx *dev = fh->dev;
1648         int ret = 0;
1649         __le64 buf;
1650         u32 value;
1651         u8 data[4] = { 0, 0, 0, 0 };
1652
1653         buf = cpu_to_le64(reg->val);
1654
1655         switch (reg->match.type) {
1656         case V4L2_CHIP_MATCH_HOST:
1657                 {
1658                         value = (u32) buf & 0xffffffff;
1659
1660                         switch (reg->match.addr) {
1661                         case 0: /* cx231xx internal registers */
1662                                 data[0] = (u8) value;
1663                                 data[1] = (u8) (value >> 8);
1664                                 data[2] = (u8) (value >> 16);
1665                                 data[3] = (u8) (value >> 24);
1666                                 ret = cx231xx_write_ctrl_reg(dev,
1667                                                            VRT_SET_REGISTER,
1668                                                            (u16)reg->reg, data,
1669                                                            4);
1670                                 break;
1671                         case 1: /* AFE - read byte */
1672                                 ret = cx231xx_write_i2c_data(dev,
1673                                                         AFE_DEVICE_ADDRESS,
1674                                                         (u16)reg->reg, 2,
1675                                                         value, 1);
1676                                 break;
1677                         case 14: /* AFE - read dword */
1678                                 ret = cx231xx_write_i2c_data(dev,
1679                                                         AFE_DEVICE_ADDRESS,
1680                                                         (u16)reg->reg, 2,
1681                                                         value, 4);
1682                                 break;
1683                         case 2: /* Video Block - read byte */
1684                                 ret =
1685                                     cx231xx_write_i2c_data(dev,
1686                                                         VID_BLK_I2C_ADDRESS,
1687                                                         (u16)reg->reg, 2,
1688                                                         value, 1);
1689                                 break;
1690                         case 24: /* Video Block - read dword */
1691                                 ret =
1692                                     cx231xx_write_i2c_data(dev,
1693                                                         VID_BLK_I2C_ADDRESS,
1694                                                         (u16)reg->reg, 2,
1695                                                         value, 4);
1696                                 break;
1697                         case 3: /* I2S block - read byte */
1698                                 ret =
1699                                     cx231xx_write_i2c_data(dev,
1700                                                         I2S_BLK_DEVICE_ADDRESS,
1701                                                         (u16)reg->reg, 1,
1702                                                         value, 1);
1703                                 break;
1704                         case 34: /* I2S block - read dword */
1705                                 ret =
1706                                     cx231xx_write_i2c_data(dev,
1707                                                         I2S_BLK_DEVICE_ADDRESS,
1708                                                         (u16)reg->reg, 1,
1709                                                         value, 4);
1710                                 break;
1711                         }
1712                 }
1713                 return ret < 0 ? ret : 0;
1714         case V4L2_CHIP_MATCH_I2C_ADDR:
1715                 {
1716                         value = (u32) buf & 0xffffffff;
1717
1718                         switch (reg->match.addr) {
1719                         case 0:/*cx231xx internal registers*/
1720                                         data[0] = (u8) value;
1721                                         data[1] = (u8) (value >> 8);
1722                                         data[2] = (u8) (value >> 16);
1723                                         data[3] = (u8) (value >> 24);
1724                                         ret = cx231xx_write_ctrl_reg(dev,
1725                                                            VRT_SET_REGISTER,
1726                                                            (u16)reg->reg, data,
1727                                                            4);
1728                                         break;
1729                         case 0x600:/* AFE - read byte */
1730                                         ret = cx231xx_write_i2c_master(dev,
1731                                                         AFE_DEVICE_ADDRESS,
1732                                                         (u16)reg->reg, 2,
1733                                                         value, 1 , 0);
1734                                         break;
1735
1736                         case 0x880:/* Video Block - read byte */
1737                                         if (reg->reg < 0x0b)
1738                                                 cx231xx_write_i2c_master(dev,
1739                                                         VID_BLK_I2C_ADDRESS,
1740                                                         (u16)reg->reg, 2,
1741                                                         value, 1, 0);
1742                                         else
1743                                                 cx231xx_write_i2c_master(dev,
1744                                                         VID_BLK_I2C_ADDRESS,
1745                                                         (u16)reg->reg, 2,
1746                                                         value, 4, 0);
1747                                         break;
1748                         case 0x980:
1749                                         ret =
1750                                                 cx231xx_write_i2c_master(dev,
1751                                                         I2S_BLK_DEVICE_ADDRESS,
1752                                                         (u16)reg->reg, 1,
1753                                                         value, 1, 0);
1754                                         break;
1755                         case 0x400:
1756                                         ret =
1757                                                 cx231xx_write_i2c_master(dev,
1758                                                         0x40,
1759                                                         (u16)reg->reg, 1,
1760                                                         value, 1, 0);
1761                                         break;
1762                         case 0xc01:
1763                                         ret =
1764                                                 cx231xx_write_i2c_master(dev,
1765                                                          0xc0,
1766                                                          (u16)reg->reg, 1,
1767                                                          value, 1, 1);
1768                                         break;
1769
1770                         case 0x022:
1771                                         ret =
1772                                                 cx231xx_write_i2c_master(dev,
1773                                                         0x02,
1774                                                         (u16)reg->reg, 1,
1775                                                         value, 1, 2);
1776                         case 0x322:
1777                                         ret =
1778                                                 cx231xx_write_i2c_master(dev,
1779                                                         0x32,
1780                                                         (u16)reg->reg, 1,
1781                                                         value, 4, 2);
1782                                         break;
1783
1784                         case 0x342:
1785                                         ret =
1786                                                 cx231xx_write_i2c_master(dev,
1787                                                         0x34,
1788                                                         (u16)reg->reg, 1,
1789                                                         value, 4, 2);
1790                                         break;
1791                         default:
1792                                 cx231xx_info("no match device address, "
1793                                         "the value is %x\n", reg->match.addr);
1794                                         break;
1795
1796                                         }
1797
1798                 }
1799         default:
1800                 break;
1801         }
1802
1803         call_all(dev, core, s_register, reg);
1804
1805         return ret;
1806 }
1807 #endif
1808
1809 static int vidioc_cropcap(struct file *file, void *priv,
1810                           struct v4l2_cropcap *cc)
1811 {
1812         struct cx231xx_fh *fh = priv;
1813         struct cx231xx *dev = fh->dev;
1814
1815         if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1816                 return -EINVAL;
1817
1818         cc->bounds.left = 0;
1819         cc->bounds.top = 0;
1820         cc->bounds.width = dev->width;
1821         cc->bounds.height = dev->height;
1822         cc->defrect = cc->bounds;
1823         cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
1824         cc->pixelaspect.denominator = 59;
1825
1826         return 0;
1827 }
1828
1829 static int vidioc_streamon(struct file *file, void *priv,
1830                            enum v4l2_buf_type type)
1831 {
1832         struct cx231xx_fh *fh = priv;
1833         struct cx231xx *dev = fh->dev;
1834         int rc;
1835
1836         rc = check_dev(dev);
1837         if (rc < 0)
1838                 return rc;
1839
1840         rc = res_get(fh);
1841
1842         if (likely(rc >= 0))
1843                 rc = videobuf_streamon(&fh->vb_vidq);
1844
1845         call_all(dev, video, s_stream, 1);
1846
1847         return rc;
1848 }
1849
1850 static int vidioc_streamoff(struct file *file, void *priv,
1851                             enum v4l2_buf_type type)
1852 {
1853         struct cx231xx_fh *fh = priv;
1854         struct cx231xx *dev = fh->dev;
1855         int rc;
1856
1857         rc = check_dev(dev);
1858         if (rc < 0)
1859                 return rc;
1860
1861         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1862             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1863                 return -EINVAL;
1864         if (type != fh->type)
1865                 return -EINVAL;
1866
1867         cx25840_call(dev, video, s_stream, 0);
1868
1869         videobuf_streamoff(&fh->vb_vidq);
1870         res_free(fh);
1871
1872         return 0;
1873 }
1874
1875 static int vidioc_querycap(struct file *file, void *priv,
1876                            struct v4l2_capability *cap)
1877 {
1878         struct cx231xx_fh *fh = priv;
1879         struct cx231xx *dev = fh->dev;
1880
1881         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
1882         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
1883         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
1884
1885         cap->capabilities = V4L2_CAP_VBI_CAPTURE |
1886 #if 0
1887                 V4L2_CAP_SLICED_VBI_CAPTURE |
1888 #endif
1889                 V4L2_CAP_VIDEO_CAPTURE  |
1890                 V4L2_CAP_AUDIO          |
1891                 V4L2_CAP_READWRITE      |
1892                 V4L2_CAP_STREAMING;
1893
1894         if (dev->tuner_type != TUNER_ABSENT)
1895                 cap->capabilities |= V4L2_CAP_TUNER;
1896
1897         return 0;
1898 }
1899
1900 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1901                                    struct v4l2_fmtdesc *f)
1902 {
1903         if (unlikely(f->index >= ARRAY_SIZE(format)))
1904                 return -EINVAL;
1905
1906         strlcpy(f->description, format[f->index].name, sizeof(f->description));
1907         f->pixelformat = format[f->index].fourcc;
1908
1909         return 0;
1910 }
1911
1912 /* Sliced VBI ioctls */
1913 static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
1914                                        struct v4l2_format *f)
1915 {
1916         struct cx231xx_fh *fh = priv;
1917         struct cx231xx *dev = fh->dev;
1918         int rc;
1919
1920         rc = check_dev(dev);
1921         if (rc < 0)
1922                 return rc;
1923
1924         f->fmt.sliced.service_set = 0;
1925
1926         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1927
1928         if (f->fmt.sliced.service_set == 0)
1929                 rc = -EINVAL;
1930
1931         return rc;
1932 }
1933
1934 static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
1935                                          struct v4l2_format *f)
1936 {
1937         struct cx231xx_fh *fh = priv;
1938         struct cx231xx *dev = fh->dev;
1939         int rc;
1940
1941         rc = check_dev(dev);
1942         if (rc < 0)
1943                 return rc;
1944
1945         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1946
1947         if (f->fmt.sliced.service_set == 0)
1948                 return -EINVAL;
1949
1950         return 0;
1951 }
1952
1953 /* RAW VBI ioctls */
1954
1955 static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
1956                                 struct v4l2_format *f)
1957 {
1958         struct cx231xx_fh *fh = priv;
1959         struct cx231xx *dev = fh->dev;
1960         f->fmt.vbi.sampling_rate = 6750000 * 4;
1961         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1962         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1963         f->fmt.vbi.offset = 0;
1964         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1965             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1966         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1967             PAL_VBI_LINES : NTSC_VBI_LINES;
1968         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1969             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1970         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1971
1972         return 0;
1973
1974 }
1975
1976 static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
1977                                   struct v4l2_format *f)
1978 {
1979         struct cx231xx_fh *fh = priv;
1980         struct cx231xx *dev = fh->dev;
1981
1982         if (dev->vbi_stream_on && !fh->stream_on) {
1983                 cx231xx_errdev("%s device in use by another fh\n", __func__);
1984                 return -EBUSY;
1985         }
1986
1987         f->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1988         f->fmt.vbi.sampling_rate = 6750000 * 4;
1989         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1990         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1991         f->fmt.vbi.offset = 0;
1992         f->fmt.vbi.flags = 0;
1993         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1994             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1995         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1996             PAL_VBI_LINES : NTSC_VBI_LINES;
1997         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1998             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1999         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
2000
2001         return 0;
2002
2003 }
2004
2005 static int vidioc_reqbufs(struct file *file, void *priv,
2006                           struct v4l2_requestbuffers *rb)
2007 {
2008         struct cx231xx_fh *fh = priv;
2009         struct cx231xx *dev = fh->dev;
2010         int rc;
2011
2012         rc = check_dev(dev);
2013         if (rc < 0)
2014                 return rc;
2015
2016         return videobuf_reqbufs(&fh->vb_vidq, rb);
2017 }
2018
2019 static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
2020 {
2021         struct cx231xx_fh *fh = priv;
2022         struct cx231xx *dev = fh->dev;
2023         int rc;
2024
2025         rc = check_dev(dev);
2026         if (rc < 0)
2027                 return rc;
2028
2029         return videobuf_querybuf(&fh->vb_vidq, b);
2030 }
2031
2032 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2033 {
2034         struct cx231xx_fh *fh = priv;
2035         struct cx231xx *dev = fh->dev;
2036         int rc;
2037
2038         rc = check_dev(dev);
2039         if (rc < 0)
2040                 return rc;
2041
2042         return videobuf_qbuf(&fh->vb_vidq, b);
2043 }
2044
2045 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2046 {
2047         struct cx231xx_fh *fh = priv;
2048         struct cx231xx *dev = fh->dev;
2049         int rc;
2050
2051         rc = check_dev(dev);
2052         if (rc < 0)
2053                 return rc;
2054
2055         return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
2056 }
2057
2058 /* ----------------------------------------------------------- */
2059 /* RADIO ESPECIFIC IOCTLS                                      */
2060 /* ----------------------------------------------------------- */
2061
2062 static int radio_querycap(struct file *file, void *priv,
2063                           struct v4l2_capability *cap)
2064 {
2065         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2066
2067         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
2068         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
2069         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
2070
2071         cap->capabilities = V4L2_CAP_TUNER;
2072         return 0;
2073 }
2074
2075 static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2076 {
2077         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2078
2079         if (unlikely(t->index > 0))
2080                 return -EINVAL;
2081
2082         strcpy(t->name, "Radio");
2083         t->type = V4L2_TUNER_RADIO;
2084
2085         call_all(dev, tuner, s_tuner, t);
2086
2087         return 0;
2088 }
2089
2090 static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i)
2091 {
2092         if (i->index != 0)
2093                 return -EINVAL;
2094         strcpy(i->name, "Radio");
2095         i->type = V4L2_INPUT_TYPE_TUNER;
2096
2097         return 0;
2098 }
2099
2100 static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2101 {
2102         if (unlikely(a->index))
2103                 return -EINVAL;
2104
2105         strcpy(a->name, "Radio");
2106         return 0;
2107 }
2108
2109 static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2110 {
2111         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2112
2113         if (0 != t->index)
2114                 return -EINVAL;
2115
2116         call_all(dev, tuner, s_tuner, t);
2117
2118         return 0;
2119 }
2120
2121 static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
2122 {
2123         return 0;
2124 }
2125
2126 static int radio_s_input(struct file *file, void *fh, unsigned int i)
2127 {
2128         return 0;
2129 }
2130
2131 static int radio_queryctrl(struct file *file, void *priv,
2132                            struct v4l2_queryctrl *c)
2133 {
2134         int i;
2135
2136         if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1)
2137                 return -EINVAL;
2138         if (c->id == V4L2_CID_AUDIO_MUTE) {
2139                 for (i = 0; i < CX231XX_CTLS; i++) {
2140                         if (cx231xx_ctls[i].v.id == c->id)
2141                                 break;
2142                 }
2143                 if (i == CX231XX_CTLS)
2144                         return -EINVAL;
2145                 *c = cx231xx_ctls[i].v;
2146         } else
2147                 *c = no_ctl;
2148         return 0;
2149 }
2150
2151 /*
2152  * cx231xx_v4l2_open()
2153  * inits the device and starts isoc transfer
2154  */
2155 static int cx231xx_v4l2_open(struct file *filp)
2156 {
2157         int errCode = 0, radio = 0;
2158         struct video_device *vdev = video_devdata(filp);
2159         struct cx231xx *dev = video_drvdata(filp);
2160         struct cx231xx_fh *fh;
2161         enum v4l2_buf_type fh_type = 0;
2162
2163         switch (vdev->vfl_type) {
2164         case VFL_TYPE_GRABBER:
2165                 fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2166                 break;
2167         case VFL_TYPE_VBI:
2168                 fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
2169                 break;
2170         case VFL_TYPE_RADIO:
2171                 radio = 1;
2172                 break;
2173         }
2174
2175         cx231xx_videodbg("open dev=%s type=%s users=%d\n",
2176                          video_device_node_name(vdev), v4l2_type_names[fh_type],
2177                          dev->users);
2178
2179 #if 0
2180         errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2181         if (errCode < 0) {
2182                 cx231xx_errdev
2183                     ("Device locked on digital mode. Can't open analog\n");
2184                 return -EBUSY;
2185         }
2186 #endif
2187
2188         fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
2189         if (!fh) {
2190                 cx231xx_errdev("cx231xx-video.c: Out of memory?!\n");
2191                 return -ENOMEM;
2192         }
2193         fh->dev = dev;
2194         fh->radio = radio;
2195         fh->type = fh_type;
2196         filp->private_data = fh;
2197
2198         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
2199                 dev->width = norm_maxw(dev);
2200                 dev->height = norm_maxh(dev);
2201
2202                 /* Power up in Analog TV mode */
2203                 if (dev->board.external_av)
2204                         cx231xx_set_power_mode(dev,
2205                                  POLARIS_AVMODE_ENXTERNAL_AV);
2206                 else
2207                         cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
2208
2209 #if 0
2210                 cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2211 #endif
2212
2213                 /* set video alternate setting */
2214                 cx231xx_set_video_alternate(dev);
2215
2216                 /* Needed, since GPIO might have disabled power of
2217                    some i2c device */
2218                 cx231xx_config_i2c(dev);
2219
2220                 /* device needs to be initialized before isoc transfer */
2221                 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
2222
2223         }
2224         if (fh->radio) {
2225                 cx231xx_videodbg("video_open: setting radio device\n");
2226
2227                 /* cx231xx_start_radio(dev); */
2228
2229                 call_all(dev, tuner, s_radio);
2230         }
2231
2232         dev->users++;
2233
2234         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
2235                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
2236                                             NULL, &dev->video_mode.slock,
2237                                             fh->type, V4L2_FIELD_INTERLACED,
2238                                             sizeof(struct cx231xx_buffer),
2239                                             fh, &dev->lock);
2240         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2241                 /* Set the required alternate setting  VBI interface works in
2242                    Bulk mode only */
2243                 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2244
2245                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
2246                                             NULL, &dev->vbi_mode.slock,
2247                                             fh->type, V4L2_FIELD_SEQ_TB,
2248                                             sizeof(struct cx231xx_buffer),
2249                                             fh, &dev->lock);
2250         }
2251
2252         return errCode;
2253 }
2254
2255 /*
2256  * cx231xx_realease_resources()
2257  * unregisters the v4l2,i2c and usb devices
2258  * called when the device gets disconected or at module unload
2259 */
2260 void cx231xx_release_analog_resources(struct cx231xx *dev)
2261 {
2262
2263         /*FIXME: I2C IR should be disconnected */
2264
2265         if (dev->radio_dev) {
2266                 if (video_is_registered(dev->radio_dev))
2267                         video_unregister_device(dev->radio_dev);
2268                 else
2269                         video_device_release(dev->radio_dev);
2270                 dev->radio_dev = NULL;
2271         }
2272         if (dev->vbi_dev) {
2273                 cx231xx_info("V4L2 device %s deregistered\n",
2274                              video_device_node_name(dev->vbi_dev));
2275                 if (video_is_registered(dev->vbi_dev))
2276                         video_unregister_device(dev->vbi_dev);
2277                 else
2278                         video_device_release(dev->vbi_dev);
2279                 dev->vbi_dev = NULL;
2280         }
2281         if (dev->vdev) {
2282                 cx231xx_info("V4L2 device %s deregistered\n",
2283                              video_device_node_name(dev->vdev));
2284
2285                 if (dev->board.has_417)
2286                         cx231xx_417_unregister(dev);
2287
2288                 if (video_is_registered(dev->vdev))
2289                         video_unregister_device(dev->vdev);
2290                 else
2291                         video_device_release(dev->vdev);
2292                 dev->vdev = NULL;
2293         }
2294 }
2295
2296 /*
2297  * cx231xx_v4l2_close()
2298  * stops streaming and deallocates all resources allocated by the v4l2
2299  * calls and ioctls
2300  */
2301 static int cx231xx_v4l2_close(struct file *filp)
2302 {
2303         struct cx231xx_fh *fh = filp->private_data;
2304         struct cx231xx *dev = fh->dev;
2305
2306         cx231xx_videodbg("users=%d\n", dev->users);
2307
2308         cx231xx_videodbg("users=%d\n", dev->users);
2309         if (res_check(fh))
2310                 res_free(fh);
2311
2312         /*
2313          * To workaround error number=-71 on EP0 for VideoGrabber,
2314          *       need exclude following.
2315          * FIXME: It is probably safe to remove most of these, as we're
2316          * now avoiding the alternate setting for INDEX_VANC
2317          */
2318         if (!dev->board.no_alt_vanc)
2319                 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2320                         videobuf_stop(&fh->vb_vidq);
2321                         videobuf_mmap_free(&fh->vb_vidq);
2322
2323                         /* the device is already disconnect,
2324                            free the remaining resources */
2325                         if (dev->state & DEV_DISCONNECTED) {
2326                                 if (atomic_read(&dev->devlist_count) > 0) {
2327                                         cx231xx_release_resources(dev);
2328                                         kfree(dev);
2329                                         dev = NULL;
2330                                         return 0;
2331                                 }
2332                                 return 0;
2333                         }
2334
2335                         /* do this before setting alternate! */
2336                         cx231xx_uninit_vbi_isoc(dev);
2337
2338                         /* set alternate 0 */
2339                         if (!dev->vbi_or_sliced_cc_mode)
2340                                 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2341                         else
2342                                 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
2343
2344                         kfree(fh);
2345                         dev->users--;
2346                         wake_up_interruptible_nr(&dev->open, 1);
2347                         return 0;
2348                 }
2349
2350         if (dev->users == 1) {
2351                 videobuf_stop(&fh->vb_vidq);
2352                 videobuf_mmap_free(&fh->vb_vidq);
2353
2354                 /* the device is already disconnect,
2355                    free the remaining resources */
2356                 if (dev->state & DEV_DISCONNECTED) {
2357                         cx231xx_release_resources(dev);
2358                         kfree(dev);
2359                         dev = NULL;
2360                         return 0;
2361                 }
2362
2363                 /* Save some power by putting tuner to sleep */
2364                 call_all(dev, core, s_power, 0);
2365
2366                 /* do this before setting alternate! */
2367                 if (dev->USE_ISO)
2368                         cx231xx_uninit_isoc(dev);
2369                 else
2370                         cx231xx_uninit_bulk(dev);
2371                 cx231xx_set_mode(dev, CX231XX_SUSPEND);
2372
2373                 /* set alternate 0 */
2374                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
2375         }
2376         kfree(fh);
2377         dev->users--;
2378         wake_up_interruptible_nr(&dev->open, 1);
2379         return 0;
2380 }
2381
2382 /*
2383  * cx231xx_v4l2_read()
2384  * will allocate buffers when called for the first time
2385  */
2386 static ssize_t
2387 cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
2388                   loff_t *pos)
2389 {
2390         struct cx231xx_fh *fh = filp->private_data;
2391         struct cx231xx *dev = fh->dev;
2392         int rc;
2393
2394         rc = check_dev(dev);
2395         if (rc < 0)
2396                 return rc;
2397
2398         if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
2399             (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
2400                 rc = res_get(fh);
2401
2402                 if (unlikely(rc < 0))
2403                         return rc;
2404
2405                 return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
2406                                             filp->f_flags & O_NONBLOCK);
2407         }
2408         return 0;
2409 }
2410
2411 /*
2412  * cx231xx_v4l2_poll()
2413  * will allocate buffers when called for the first time
2414  */
2415 static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
2416 {
2417         struct cx231xx_fh *fh = filp->private_data;
2418         struct cx231xx *dev = fh->dev;
2419         int rc;
2420
2421         rc = check_dev(dev);
2422         if (rc < 0)
2423                 return rc;
2424
2425         rc = res_get(fh);
2426
2427         if (unlikely(rc < 0))
2428                 return POLLERR;
2429
2430         if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
2431             (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type))
2432                 return videobuf_poll_stream(filp, &fh->vb_vidq, wait);
2433         else
2434                 return POLLERR;
2435 }
2436
2437 /*
2438  * cx231xx_v4l2_mmap()
2439  */
2440 static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
2441 {
2442         struct cx231xx_fh *fh = filp->private_data;
2443         struct cx231xx *dev = fh->dev;
2444         int rc;
2445
2446         rc = check_dev(dev);
2447         if (rc < 0)
2448                 return rc;
2449
2450         rc = res_get(fh);
2451
2452         if (unlikely(rc < 0))
2453                 return rc;
2454
2455         rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
2456
2457         cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
2458                          (unsigned long)vma->vm_start,
2459                          (unsigned long)vma->vm_end -
2460                          (unsigned long)vma->vm_start, rc);
2461
2462         return rc;
2463 }
2464
2465 static const struct v4l2_file_operations cx231xx_v4l_fops = {
2466         .owner   = THIS_MODULE,
2467         .open    = cx231xx_v4l2_open,
2468         .release = cx231xx_v4l2_close,
2469         .read    = cx231xx_v4l2_read,
2470         .poll    = cx231xx_v4l2_poll,
2471         .mmap    = cx231xx_v4l2_mmap,
2472         .unlocked_ioctl   = video_ioctl2,
2473 };
2474
2475 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2476         .vidioc_querycap               = vidioc_querycap,
2477         .vidioc_enum_fmt_vid_cap       = vidioc_enum_fmt_vid_cap,
2478         .vidioc_g_fmt_vid_cap          = vidioc_g_fmt_vid_cap,
2479         .vidioc_try_fmt_vid_cap        = vidioc_try_fmt_vid_cap,
2480         .vidioc_s_fmt_vid_cap          = vidioc_s_fmt_vid_cap,
2481         .vidioc_g_fmt_vbi_cap          = vidioc_g_fmt_vbi_cap,
2482         .vidioc_try_fmt_vbi_cap        = vidioc_try_fmt_vbi_cap,
2483         .vidioc_s_fmt_vbi_cap          = vidioc_try_fmt_vbi_cap,
2484         .vidioc_g_audio                =  vidioc_g_audio,
2485         .vidioc_s_audio                = vidioc_s_audio,
2486         .vidioc_cropcap                = vidioc_cropcap,
2487         .vidioc_g_fmt_sliced_vbi_cap   = vidioc_g_fmt_sliced_vbi_cap,
2488         .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
2489         .vidioc_reqbufs                = vidioc_reqbufs,
2490         .vidioc_querybuf               = vidioc_querybuf,
2491         .vidioc_qbuf                   = vidioc_qbuf,
2492         .vidioc_dqbuf                  = vidioc_dqbuf,
2493         .vidioc_s_std                  = vidioc_s_std,
2494         .vidioc_g_std                  = vidioc_g_std,
2495         .vidioc_enum_input             = vidioc_enum_input,
2496         .vidioc_g_input                = vidioc_g_input,
2497         .vidioc_s_input                = vidioc_s_input,
2498         .vidioc_queryctrl              = vidioc_queryctrl,
2499         .vidioc_g_ctrl                 = vidioc_g_ctrl,
2500         .vidioc_s_ctrl                 = vidioc_s_ctrl,
2501         .vidioc_streamon               = vidioc_streamon,
2502         .vidioc_streamoff              = vidioc_streamoff,
2503         .vidioc_g_tuner                = vidioc_g_tuner,
2504         .vidioc_s_tuner                = vidioc_s_tuner,
2505         .vidioc_g_frequency            = vidioc_g_frequency,
2506         .vidioc_s_frequency            = vidioc_s_frequency,
2507 #ifdef CONFIG_VIDEO_ADV_DEBUG
2508         .vidioc_g_register             = vidioc_g_register,
2509         .vidioc_s_register             = vidioc_s_register,
2510 #endif
2511 };
2512
2513 static struct video_device cx231xx_vbi_template;
2514
2515 static const struct video_device cx231xx_video_template = {
2516         .fops         = &cx231xx_v4l_fops,
2517         .release      = video_device_release,
2518         .ioctl_ops    = &video_ioctl_ops,
2519         .tvnorms      = V4L2_STD_ALL,
2520         .current_norm = V4L2_STD_PAL,
2521 };
2522
2523 static const struct v4l2_file_operations radio_fops = {
2524         .owner   = THIS_MODULE,
2525         .open   = cx231xx_v4l2_open,
2526         .release = cx231xx_v4l2_close,
2527         .ioctl   = video_ioctl2,
2528 };
2529
2530 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2531         .vidioc_querycap    = radio_querycap,
2532         .vidioc_g_tuner     = radio_g_tuner,
2533         .vidioc_enum_input  = radio_enum_input,
2534         .vidioc_g_audio     = radio_g_audio,
2535         .vidioc_s_tuner     = radio_s_tuner,
2536         .vidioc_s_audio     = radio_s_audio,
2537         .vidioc_s_input     = radio_s_input,
2538         .vidioc_queryctrl   = radio_queryctrl,
2539         .vidioc_g_ctrl      = vidioc_g_ctrl,
2540         .vidioc_s_ctrl      = vidioc_s_ctrl,
2541         .vidioc_g_frequency = vidioc_g_frequency,
2542         .vidioc_s_frequency = vidioc_s_frequency,
2543 #ifdef CONFIG_VIDEO_ADV_DEBUG
2544         .vidioc_g_register  = vidioc_g_register,
2545         .vidioc_s_register  = vidioc_s_register,
2546 #endif
2547 };
2548
2549 static struct video_device cx231xx_radio_template = {
2550         .name      = "cx231xx-radio",
2551         .fops      = &radio_fops,
2552         .ioctl_ops = &radio_ioctl_ops,
2553 };
2554
2555 /******************************** usb interface ******************************/
2556
2557 static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
2558                 const struct video_device
2559                 *template, const char *type_name)
2560 {
2561         struct video_device *vfd;
2562
2563         vfd = video_device_alloc();
2564         if (NULL == vfd)
2565                 return NULL;
2566
2567         *vfd = *template;
2568         vfd->v4l2_dev = &dev->v4l2_dev;
2569         vfd->release = video_device_release;
2570         vfd->debug = video_debug;
2571         vfd->lock = &dev->lock;
2572
2573         snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
2574
2575         video_set_drvdata(vfd, dev);
2576         return vfd;
2577 }
2578
2579 int cx231xx_register_analog_devices(struct cx231xx *dev)
2580 {
2581         int ret;
2582
2583         cx231xx_info("%s: v4l2 driver version %s\n",
2584                      dev->name, CX231XX_VERSION);
2585
2586         /* set default norm */
2587         /*dev->norm = cx231xx_video_template.current_norm; */
2588         dev->width = norm_maxw(dev);
2589         dev->height = norm_maxh(dev);
2590         dev->interlaced = 0;
2591
2592         /* Analog specific initialization */
2593         dev->format = &format[0];
2594
2595         /* Set the initial input */
2596         video_mux(dev, dev->video_input);
2597
2598         /* Audio defaults */
2599         dev->mute = 1;
2600         dev->volume = 0x1f;
2601
2602         /* enable vbi capturing */
2603         /* write code here...  */
2604
2605         /* allocate and fill video video_device struct */
2606         dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video");
2607         if (!dev->vdev) {
2608                 cx231xx_errdev("cannot allocate video_device.\n");
2609                 return -ENODEV;
2610         }
2611
2612         /* register v4l2 video video_device */
2613         ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
2614                                     video_nr[dev->devno]);
2615         if (ret) {
2616                 cx231xx_errdev("unable to register video device (error=%i).\n",
2617                                ret);
2618                 return ret;
2619         }
2620
2621         cx231xx_info("%s/0: registered device %s [v4l2]\n",
2622                      dev->name, video_device_node_name(dev->vdev));
2623
2624         /* Initialize VBI template */
2625         memcpy(&cx231xx_vbi_template, &cx231xx_video_template,
2626                sizeof(cx231xx_vbi_template));
2627         strcpy(cx231xx_vbi_template.name, "cx231xx-vbi");
2628
2629         /* Allocate and fill vbi video_device struct */
2630         dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi");
2631
2632         /* register v4l2 vbi video_device */
2633         ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
2634                                     vbi_nr[dev->devno]);
2635         if (ret < 0) {
2636                 cx231xx_errdev("unable to register vbi device\n");
2637                 return ret;
2638         }
2639
2640         cx231xx_info("%s/0: registered device %s\n",
2641                      dev->name, video_device_node_name(dev->vbi_dev));
2642
2643         if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
2644                 dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template,
2645                                                    "radio");
2646                 if (!dev->radio_dev) {
2647                         cx231xx_errdev("cannot allocate video_device.\n");
2648                         return -ENODEV;
2649                 }
2650                 ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
2651                                             radio_nr[dev->devno]);
2652                 if (ret < 0) {
2653                         cx231xx_errdev("can't register radio device\n");
2654                         return ret;
2655                 }
2656                 cx231xx_info("Registered radio device as %s\n",
2657                              video_device_node_name(dev->radio_dev));
2658         }
2659
2660         cx231xx_info("V4L2 device registered as %s and %s\n",
2661                      video_device_node_name(dev->vdev),
2662                      video_device_node_name(dev->vbi_dev));
2663
2664         return 0;
2665 }