Pileus Git - ~andy/linux/blob - 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)
 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)
 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         return 0;
1004 }
1005
1006 /* ------------------------------------------------------------------
1007         IOCTL vidioc handling
1008    ------------------------------------------------------------------*/
1009
1010 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1011                                 struct v4l2_format *f)
1012 {
1013         struct cx231xx_fh *fh = priv;
1014         struct cx231xx *dev = fh->dev;
1015
1016         f->fmt.pix.width = dev->width;
1017         f->fmt.pix.height = dev->height;
1018         f->fmt.pix.pixelformat = dev->format->fourcc;
1019         f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
1020         f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
1021         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1022
1023         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1024
1025         return 0;
1026 }
1027
1028 static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
1029 {
1030         unsigned int i;
1031
1032         for (i = 0; i < ARRAY_SIZE(format); i++)
1033                 if (format[i].fourcc == fourcc)
1034                         return &format[i];
1035
1036         return NULL;
1037 }
1038
1039 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1040                                   struct v4l2_format *f)
1041 {
1042         struct cx231xx_fh *fh = priv;
1043         struct cx231xx *dev = fh->dev;
1044         unsigned int width = f->fmt.pix.width;
1045         unsigned int height = f->fmt.pix.height;
1046         unsigned int maxw = norm_maxw(dev);
1047         unsigned int maxh = norm_maxh(dev);
1048         struct cx231xx_fmt *fmt;
1049
1050         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1051         if (!fmt) {
1052                 cx231xx_videodbg("Fourcc format (%08x) invalid.\n",
1053                                  f->fmt.pix.pixelformat);
1054                 return -EINVAL;
1055         }
1056
1057         /* width must even because of the YUYV format
1058            height must be even because of interlacing */
1059         v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
1060
1061         f->fmt.pix.width = width;
1062         f->fmt.pix.height = height;
1063         f->fmt.pix.pixelformat = fmt->fourcc;
1064         f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
1065         f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
1066         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1067         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1068
1069         return 0;
1070 }
1071
1072 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1073                                 struct v4l2_format *f)
1074 {
1075         struct cx231xx_fh *fh = priv;
1076         struct cx231xx *dev = fh->dev;
1077         int rc;
1078         struct cx231xx_fmt *fmt;
1079         struct v4l2_mbus_framefmt mbus_fmt;
1080
1081         rc = check_dev(dev);
1082         if (rc < 0)
1083                 return rc;
1084
1085         vidioc_try_fmt_vid_cap(file, priv, f);
1086
1087         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1088         if (!fmt)
1089                 return -EINVAL;
1090
1091         if (videobuf_queue_is_busy(&fh->vb_vidq)) {
1092                 cx231xx_errdev("%s queue busy\n", __func__);
1093                 return -EBUSY;
1094         }
1095
1096         if (dev->stream_on && !fh->stream_on) {
1097                 cx231xx_errdev("%s device in use by another fh\n", __func__);
1098                 return -EBUSY;
1099         }
1100
1101         /* set new image size */
1102         dev->width = f->fmt.pix.width;
1103         dev->height = f->fmt.pix.height;
1104         dev->format = fmt;
1105
1106         v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1107         call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1108         v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
1109
1110         return rc;
1111 }
1112
1113 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1114 {
1115         struct cx231xx_fh *fh = priv;
1116         struct cx231xx *dev = fh->dev;
1117
1118         *id = dev->norm;
1119         return 0;
1120 }
1121
1122 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
1123 {
1124         struct cx231xx_fh *fh = priv;
1125         struct cx231xx *dev = fh->dev;
1126         struct v4l2_mbus_framefmt mbus_fmt;
1127         struct v4l2_format f;
1128         int rc;
1129
1130         rc = check_dev(dev);
1131         if (rc < 0)
1132                 return rc;
1133
1134         cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm);
1135
1136         dev->norm = *norm;
1137
1138         /* Adjusts width/height, if needed */
1139         f.fmt.pix.width = dev->width;
1140         f.fmt.pix.height = dev->height;
1141         vidioc_try_fmt_vid_cap(file, priv, &f);
1142
1143         call_all(dev, core, s_std, dev->norm);
1144
1145         /* We need to reset basic properties in the decoder related to
1146            resolution (since a standard change effects things like the number
1147            of lines in VACT, etc) */
1148         v4l2_fill_mbus_format(&mbus_fmt, &f.fmt.pix, V4L2_MBUS_FMT_FIXED);
1149         call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1150         v4l2_fill_pix_format(&f.fmt.pix, &mbus_fmt);
1151
1152         /* set new image size */
1153         dev->width = f.fmt.pix.width;
1154         dev->height = f.fmt.pix.height;
1155
1156         /* do mode control overrides */
1157         cx231xx_do_mode_ctrl_overrides(dev);
1158
1159         return 0;
1160 }
1161
1162 static const char *iname[] = {
1163         [CX231XX_VMUX_COMPOSITE1] = "Composite1",
1164         [CX231XX_VMUX_SVIDEO]     = "S-Video",
1165         [CX231XX_VMUX_TELEVISION] = "Television",
1166         [CX231XX_VMUX_CABLE]      = "Cable TV",
1167         [CX231XX_VMUX_DVB]        = "DVB",
1168         [CX231XX_VMUX_DEBUG]      = "for debug only",
1169 };
1170
1171 static int vidioc_enum_input(struct file *file, void *priv,
1172                              struct v4l2_input *i)
1173 {
1174         struct cx231xx_fh *fh = priv;
1175         struct cx231xx *dev = fh->dev;
1176         u32 gen_stat;
1177         unsigned int ret, n;
1178
1179         n = i->index;
1180         if (n >= MAX_CX231XX_INPUT)
1181                 return -EINVAL;
1182         if (0 == INPUT(n)->type)
1183                 return -EINVAL;
1184
1185         i->index = n;
1186         i->type = V4L2_INPUT_TYPE_CAMERA;
1187
1188         strcpy(i->name, iname[INPUT(n)->type]);
1189
1190         if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
1191             (CX231XX_VMUX_CABLE == INPUT(n)->type))
1192                 i->type = V4L2_INPUT_TYPE_TUNER;
1193
1194         i->std = dev->vdev->tvnorms;
1195
1196         /* If they are asking about the active input, read signal status */
1197         if (n == dev->video_input) {
1198                 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1199                                             GEN_STAT, 2, &gen_stat, 4);
1200                 if (ret > 0) {
1201                         if ((gen_stat & FLD_VPRES) == 0x00)
1202                                 i->status |= V4L2_IN_ST_NO_SIGNAL;
1203                         if ((gen_stat & FLD_HLOCK) == 0x00)
1204                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1205                 }
1206         }
1207
1208         return 0;
1209 }
1210
1211 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1212 {
1213         struct cx231xx_fh *fh = priv;
1214         struct cx231xx *dev = fh->dev;
1215
1216         *i = dev->video_input;
1217
1218         return 0;
1219 }
1220
1221 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1222 {
1223         struct cx231xx_fh *fh = priv;
1224         struct cx231xx *dev = fh->dev;
1225         int rc;
1226
1227         dev->mode_tv = 0;
1228         rc = check_dev(dev);
1229         if (rc < 0)
1230                 return rc;
1231
1232         if (i >= MAX_CX231XX_INPUT)
1233                 return -EINVAL;
1234         if (0 == INPUT(i)->type)
1235                 return -EINVAL;
1236
1237         video_mux(dev, i);
1238
1239         if (INPUT(i)->type == CX231XX_VMUX_TELEVISION ||
1240             INPUT(i)->type == CX231XX_VMUX_CABLE) {
1241                 /* There's a tuner, so reset the standard and put it on the
1242                    last known frequency (since it was probably powered down
1243                    until now */
1244                 call_all(dev, core, s_std, dev->norm);
1245         }
1246
1247         return 0;
1248 }
1249
1250 static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
1251 {
1252         struct cx231xx_fh *fh = priv;
1253         struct cx231xx *dev = fh->dev;
1254
1255         switch (a->index) {
1256         case CX231XX_AMUX_VIDEO:
1257                 strcpy(a->name, "Television");
1258                 break;
1259         case CX231XX_AMUX_LINE_IN:
1260                 strcpy(a->name, "Line In");
1261                 break;
1262         default:
1263                 return -EINVAL;
1264         }
1265
1266         a->index = dev->ctl_ainput;
1267         a->capability = V4L2_AUDCAP_STEREO;
1268
1269         return 0;
1270 }
1271
1272 static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
1273 {
1274         struct cx231xx_fh *fh = priv;
1275         struct cx231xx *dev = fh->dev;
1276         int status = 0;
1277
1278         /* Doesn't allow manual routing */
1279         if (a->index != dev->ctl_ainput)
1280                 return -EINVAL;
1281
1282         dev->ctl_ainput = INPUT(a->index)->amux;
1283         status = cx231xx_set_audio_input(dev, dev->ctl_ainput);
1284
1285         return status;
1286 }
1287
1288 static int vidioc_queryctrl(struct file *file, void *priv,
1289                             struct v4l2_queryctrl *qc)
1290 {
1291         struct cx231xx_fh *fh = priv;
1292         struct cx231xx *dev = fh->dev;
1293         int id = qc->id;
1294         int i;
1295         int rc;
1296
1297         rc = check_dev(dev);
1298         if (rc < 0)
1299                 return rc;
1300
1301         qc->id = v4l2_ctrl_next(ctrl_classes, qc->id);
1302         if (unlikely(qc->id == 0))
1303                 return -EINVAL;
1304
1305         memset(qc, 0, sizeof(*qc));
1306
1307         qc->id = id;
1308
1309         if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1)
1310                 return -EINVAL;
1311
1312         for (i = 0; i < CX231XX_CTLS; i++)
1313                 if (cx231xx_ctls[i].v.id == qc->id)
1314                         break;
1315
1316         if (i == CX231XX_CTLS) {
1317                 *qc = no_ctl;
1318                 return 0;
1319         }
1320         *qc = cx231xx_ctls[i].v;
1321
1322         call_all(dev, core, queryctrl, qc);
1323
1324         if (qc->type)
1325                 return 0;
1326         else
1327                 return -EINVAL;
1328 }
1329
1330 static int vidioc_g_ctrl(struct file *file, void *priv,
1331                          struct v4l2_control *ctrl)
1332 {
1333         struct cx231xx_fh *fh = priv;
1334         struct cx231xx *dev = fh->dev;
1335         int rc;
1336
1337         rc = check_dev(dev);
1338         if (rc < 0)
1339                 return rc;
1340
1341         call_all(dev, core, g_ctrl, ctrl);
1342         return rc;
1343 }
1344
1345 static int vidioc_s_ctrl(struct file *file, void *priv,
1346                          struct v4l2_control *ctrl)
1347 {
1348         struct cx231xx_fh *fh = priv;
1349         struct cx231xx *dev = fh->dev;
1350         int rc;
1351
1352         rc = check_dev(dev);
1353         if (rc < 0)
1354                 return rc;
1355
1356         call_all(dev, core, s_ctrl, ctrl);
1357         return rc;
1358 }
1359
1360 static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1361 {
1362         struct cx231xx_fh *fh = priv;
1363         struct cx231xx *dev = fh->dev;
1364         int rc;
1365
1366         rc = check_dev(dev);
1367         if (rc < 0)
1368                 return rc;
1369
1370         if (0 != t->index)
1371                 return -EINVAL;
1372
1373         strcpy(t->name, "Tuner");
1374
1375         t->type = V4L2_TUNER_ANALOG_TV;
1376         t->capability = V4L2_TUNER_CAP_NORM;
1377         t->rangehigh = 0xffffffffUL;
1378         t->signal = 0xffff;     /* LOCKED */
1379
1380         return 0;
1381 }
1382
1383 static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1384 {
1385         struct cx231xx_fh *fh = priv;
1386         struct cx231xx *dev = fh->dev;
1387         int rc;
1388
1389         rc = check_dev(dev);
1390         if (rc < 0)
1391                 return rc;
1392
1393         if (0 != t->index)
1394                 return -EINVAL;
1395 #if 0
1396         call_all(dev, tuner, s_tuner, t);
1397 #endif
1398         return 0;
1399 }
1400
1401 static int vidioc_g_frequency(struct file *file, void *priv,
1402                               struct v4l2_frequency *f)
1403 {
1404         struct cx231xx_fh *fh = priv;
1405         struct cx231xx *dev = fh->dev;
1406
1407         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1408         f->frequency = dev->ctl_freq;
1409
1410         call_all(dev, tuner, g_frequency, f);
1411
1412         return 0;
1413 }
1414
1415 static int vidioc_s_frequency(struct file *file, void *priv,
1416                               struct v4l2_frequency *f)
1417 {
1418         struct cx231xx_fh *fh = priv;
1419         struct cx231xx *dev = fh->dev;
1420         int rc;
1421         u32 if_frequency = 5400000;
1422
1423         cx231xx_info("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
1424                  f->frequency, f->type);
1425         /*cx231xx_info("f->type:  1-radio 2-analogTV 3-digitalTV\n");*/
1426
1427         rc = check_dev(dev);
1428         if (rc < 0)
1429                 return rc;
1430
1431         if (0 != f->tuner)
1432                 return -EINVAL;
1433
1434         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1435                 return -EINVAL;
1436         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1437                 return -EINVAL;
1438
1439         /* set pre channel change settings in DIF first */
1440         rc = cx231xx_tuner_pre_channel_change(dev);
1441
1442         dev->ctl_freq = f->frequency;
1443         call_all(dev, tuner, s_frequency, f);
1444
1445         /* set post channel change settings in DIF first */
1446         rc = cx231xx_tuner_post_channel_change(dev);
1447
1448         if (dev->tuner_type == TUNER_NXP_TDA18271) {
1449                 if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443))
1450                         if_frequency = 5400000;  /*5.4MHz       */
1451                 else if (dev->norm & V4L2_STD_B)
1452                         if_frequency = 6000000;  /*6.0MHz       */
1453                 else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK))
1454                         if_frequency = 6900000;  /*6.9MHz       */
1455                 else if (dev->norm & V4L2_STD_GH)
1456                         if_frequency = 7100000;  /*7.1MHz       */
1457                 else if (dev->norm & V4L2_STD_PAL_I)
1458                         if_frequency = 7250000;  /*7.25MHz      */
1459                 else if (dev->norm & V4L2_STD_SECAM_L)
1460                         if_frequency = 6900000;  /*6.9MHz       */
1461                 else if (dev->norm & V4L2_STD_SECAM_LC)
1462                         if_frequency = 1250000;  /*1.25MHz      */
1463
1464                 cx231xx_info("if_frequency is set to %d\n", if_frequency);
1465                 cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1);
1466
1467                 update_HH_register_after_set_DIF(dev);
1468         }
1469
1470         cx231xx_info("Set New FREQUENCY to %d\n", f->frequency);
1471
1472         return rc;
1473 }
1474
1475 #ifdef CONFIG_VIDEO_ADV_DEBUG
1476
1477 /*
1478   -R, --list-registers=type=<host/i2cdrv/i2caddr>,
1479                                 chip=<chip>[,min=<addr>,max=<addr>]
1480                      dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER]
1481   -r, --set-register=type=<host/i2cdrv/i2caddr>,
1482                                 chip=<chip>,reg=<addr>,val=<val>
1483                      set the register [VIDIOC_DBG_S_REGISTER]
1484
1485   if type == host, then <chip> is the hosts chip ID (default 0)
1486   if type == i2cdrv (default), then <chip> is the I2C driver name or ID
1487   if type == i2caddr, then <chip> is the 7-bit I2C address
1488 */
1489
1490 static int vidioc_g_register(struct file *file, void *priv,
1491                              struct v4l2_dbg_register *reg)
1492 {
1493         struct cx231xx_fh *fh = priv;
1494         struct cx231xx *dev = fh->dev;
1495         int ret = 0;
1496         u8 value[4] = { 0, 0, 0, 0 };
1497         u32 data = 0;
1498
1499         switch (reg->match.type) {
1500         case V4L2_CHIP_MATCH_HOST:
1501                 switch (reg->match.addr) {
1502                 case 0: /* Cx231xx - internal registers */
1503                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1504                                                   (u16)reg->reg, value, 4);
1505                         reg->val = value[0] | value[1] << 8 |
1506                                    value[2] << 16 | value[3] << 24;
1507                         break;
1508                 case 1: /* AFE - read byte */
1509                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1510                                                   (u16)reg->reg, 2, &data, 1);
1511                         reg->val = le32_to_cpu(data & 0xff);
1512                         break;
1513                 case 14: /* AFE - read dword */
1514                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1515                                                   (u16)reg->reg, 2, &data, 4);
1516                         reg->val = le32_to_cpu(data);
1517                         break;
1518                 case 2: /* Video Block - read byte */
1519                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1520                                                   (u16)reg->reg, 2, &data, 1);
1521                         reg->val = le32_to_cpu(data & 0xff);
1522                         break;
1523                 case 24: /* Video Block - read dword */
1524                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1525                                                   (u16)reg->reg, 2, &data, 4);
1526                         reg->val = le32_to_cpu(data);
1527                         break;
1528                 case 3: /* I2S block - read byte */
1529                         ret = cx231xx_read_i2c_data(dev,
1530                                                     I2S_BLK_DEVICE_ADDRESS,
1531                                                     (u16)reg->reg, 1,
1532                                                     &data, 1);
1533                         reg->val = le32_to_cpu(data & 0xff);
1534                         break;
1535                 case 34: /* I2S Block - read dword */
1536                         ret =
1537                             cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1538                                                   (u16)reg->reg, 1, &data, 4);
1539                         reg->val = le32_to_cpu(data);
1540                         break;
1541                 }
1542                 return ret < 0 ? ret : 0;
1543
1544         case V4L2_CHIP_MATCH_I2C_DRIVER:
1545                 call_all(dev, core, g_register, reg);
1546                 return 0;
1547         case V4L2_CHIP_MATCH_I2C_ADDR:/*for register debug*/
1548                 switch (reg->match.addr) {
1549                 case 0: /* Cx231xx - internal registers */
1550                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1551                                                   (u16)reg->reg, value, 4);
1552                         reg->val = value[0] | value[1] << 8 |
1553                                    value[2] << 16 | value[3] << 24;
1554
1555                         break;
1556                 case 0x600:/* AFE - read byte */
1557                         ret = cx231xx_read_i2c_master(dev, AFE_DEVICE_ADDRESS,
1558                                                  (u16)reg->reg, 2,
1559                                                  &data, 1 , 0);
1560                         reg->val = le32_to_cpu(data & 0xff);
1561                         break;
1562
1563                 case 0x880:/* Video Block - read byte */
1564                         if (reg->reg < 0x0b) {
1565                                 ret = cx231xx_read_i2c_master(dev,
1566                                                 VID_BLK_I2C_ADDRESS,
1567                                                  (u16)reg->reg, 2,
1568                                                  &data, 1 , 0);
1569                                 reg->val = le32_to_cpu(data & 0xff);
1570                         } else {
1571                                 ret = cx231xx_read_i2c_master(dev,
1572                                                 VID_BLK_I2C_ADDRESS,
1573                                                  (u16)reg->reg, 2,
1574                                                  &data, 4 , 0);
1575                                 reg->val = le32_to_cpu(data);
1576                         }
1577                         break;
1578                 case 0x980:
1579                         ret = cx231xx_read_i2c_master(dev,
1580                                                 I2S_BLK_DEVICE_ADDRESS,
1581                                                 (u16)reg->reg, 1,
1582                                                 &data, 1 , 0);
1583                         reg->val = le32_to_cpu(data & 0xff);
1584                         break;
1585                 case 0x400:
1586                         ret =
1587                             cx231xx_read_i2c_master(dev, 0x40,
1588                                                   (u16)reg->reg, 1,
1589                                                  &data, 1 , 0);
1590                         reg->val = le32_to_cpu(data & 0xff);
1591                         break;
1592                 case 0xc01:
1593                         ret =
1594                                 cx231xx_read_i2c_master(dev, 0xc0,
1595                                                 (u16)reg->reg, 2,
1596                                                  &data, 38, 1);
1597                         reg->val = le32_to_cpu(data);
1598                         break;
1599                 case 0x022:
1600                         ret =
1601                                 cx231xx_read_i2c_master(dev, 0x02,
1602                                                 (u16)reg->reg, 1,
1603                                                  &data, 1, 2);
1604                         reg->val = le32_to_cpu(data & 0xff);
1605                         break;
1606                 case 0x322:
1607                         ret = cx231xx_read_i2c_master(dev,
1608                                                 0x32,
1609                                                  (u16)reg->reg, 1,
1610                                                  &data, 4 , 2);
1611                                 reg->val = le32_to_cpu(data);
1612                         break;
1613                 case 0x342:
1614                         ret = cx231xx_read_i2c_master(dev,
1615                                                 0x34,
1616                                                  (u16)reg->reg, 1,
1617                                                  &data, 4 , 2);
1618                                 reg->val = le32_to_cpu(data);
1619                         break;
1620
1621                 default:
1622                         cx231xx_info("no match device address!!\n");
1623                         break;
1624                         }
1625                 return ret < 0 ? ret : 0;
1626                 /*return -EINVAL;*/
1627         default:
1628                 if (!v4l2_chip_match_host(&reg->match))
1629                         return -EINVAL;
1630         }
1631
1632         call_all(dev, core, g_register, reg);
1633
1634         return ret;
1635 }
1636
1637 static int vidioc_s_register(struct file *file, void *priv,
1638                              struct v4l2_dbg_register *reg)
1639 {
1640         struct cx231xx_fh *fh = priv;
1641         struct cx231xx *dev = fh->dev;
1642         int ret = 0;
1643         __le64 buf;
1644         u32 value;
1645         u8 data[4] = { 0, 0, 0, 0 };
1646
1647         buf = cpu_to_le64(reg->val);
1648
1649         switch (reg->match.type) {
1650         case V4L2_CHIP_MATCH_HOST:
1651                 {
1652                         value = (u32) buf & 0xffffffff;
1653
1654                         switch (reg->match.addr) {
1655                         case 0: /* cx231xx internal registers */
1656                                 data[0] = (u8) value;
1657                                 data[1] = (u8) (value >> 8);
1658                                 data[2] = (u8) (value >> 16);
1659                                 data[3] = (u8) (value >> 24);
1660                                 ret = cx231xx_write_ctrl_reg(dev,
1661                                                            VRT_SET_REGISTER,
1662                                                            (u16)reg->reg, data,
1663                                                            4);
1664                                 break;
1665                         case 1: /* AFE - read byte */
1666                                 ret = cx231xx_write_i2c_data(dev,
1667                                                         AFE_DEVICE_ADDRESS,
1668                                                         (u16)reg->reg, 2,
1669                                                         value, 1);
1670                                 break;
1671                         case 14: /* AFE - read dword */
1672                                 ret = cx231xx_write_i2c_data(dev,
1673                                                         AFE_DEVICE_ADDRESS,
1674                                                         (u16)reg->reg, 2,
1675                                                         value, 4);
1676                                 break;
1677                         case 2: /* Video Block - read byte */
1678                                 ret =
1679                                     cx231xx_write_i2c_data(dev,
1680                                                         VID_BLK_I2C_ADDRESS,
1681                                                         (u16)reg->reg, 2,
1682                                                         value, 1);
1683                                 break;
1684                         case 24: /* Video Block - read dword */
1685                                 ret =
1686                                     cx231xx_write_i2c_data(dev,
1687                                                         VID_BLK_I2C_ADDRESS,
1688                                                         (u16)reg->reg, 2,
1689                                                         value, 4);
1690                                 break;
1691                         case 3: /* I2S block - read byte */
1692                                 ret =
1693                                     cx231xx_write_i2c_data(dev,
1694                                                         I2S_BLK_DEVICE_ADDRESS,
1695                                                         (u16)reg->reg, 1,
1696                                                         value, 1);
1697                                 break;
1698                         case 34: /* I2S block - read dword */
1699                                 ret =
1700                                     cx231xx_write_i2c_data(dev,
1701                                                         I2S_BLK_DEVICE_ADDRESS,
1702                                                         (u16)reg->reg, 1,
1703                                                         value, 4);
1704                                 break;
1705                         }
1706                 }
1707                 return ret < 0 ? ret : 0;
1708         case V4L2_CHIP_MATCH_I2C_ADDR:
1709                 {
1710                         value = (u32) buf & 0xffffffff;
1711
1712                         switch (reg->match.addr) {
1713                         case 0:/*cx231xx internal registers*/
1714                                         data[0] = (u8) value;
1715                                         data[1] = (u8) (value >> 8);
1716                                         data[2] = (u8) (value >> 16);
1717                                         data[3] = (u8) (value >> 24);
1718                                         ret = cx231xx_write_ctrl_reg(dev,
1719                                                            VRT_SET_REGISTER,
1720                                                            (u16)reg->reg, data,
1721                                                            4);
1722                                         break;
1723                         case 0x600:/* AFE - read byte */
1724                                         ret = cx231xx_write_i2c_master(dev,
1725                                                         AFE_DEVICE_ADDRESS,
1726                                                         (u16)reg->reg, 2,
1727                                                         value, 1 , 0);
1728                                         break;
1729
1730                         case 0x880:/* Video Block - read byte */
1731                                         if (reg->reg < 0x0b)
1732                                                 cx231xx_write_i2c_master(dev,
1733                                                         VID_BLK_I2C_ADDRESS,
1734                                                         (u16)reg->reg, 2,
1735                                                         value, 1, 0);
1736                                         else
1737                                                 cx231xx_write_i2c_master(dev,
1738                                                         VID_BLK_I2C_ADDRESS,
1739                                                         (u16)reg->reg, 2,
1740                                                         value, 4, 0);
1741                                         break;
1742                         case 0x980:
1743                                         ret =
1744                                                 cx231xx_write_i2c_master(dev,
1745                                                         I2S_BLK_DEVICE_ADDRESS,
1746                                                         (u16)reg->reg, 1,
1747                                                         value, 1, 0);
1748                                         break;
1749                         case 0x400:
1750                                         ret =
1751                                                 cx231xx_write_i2c_master(dev,
1752                                                         0x40,
1753                                                         (u16)reg->reg, 1,
1754                                                         value, 1, 0);
1755                                         break;
1756                         case 0xc01:
1757                                         ret =
1758                                                 cx231xx_write_i2c_master(dev,
1759                                                          0xc0,
1760                                                          (u16)reg->reg, 1,
1761                                                          value, 1, 1);
1762                                         break;
1763
1764                         case 0x022:
1765                                         ret =
1766                                                 cx231xx_write_i2c_master(dev,
1767                                                         0x02,
1768                                                         (u16)reg->reg, 1,
1769                                                         value, 1, 2);
1770                         case 0x322:
1771                                         ret =
1772                                                 cx231xx_write_i2c_master(dev,
1773                                                         0x32,
1774                                                         (u16)reg->reg, 1,
1775                                                         value, 4, 2);
1776                                         break;
1777
1778                         case 0x342:
1779                                         ret =
1780                                                 cx231xx_write_i2c_master(dev,
1781                                                         0x34,
1782                                                         (u16)reg->reg, 1,
1783                                                         value, 4, 2);
1784                                         break;
1785                         default:
1786                                 cx231xx_info("no match device address, "
1787                                         "the value is %x\n", reg->match.addr);
1788                                         break;
1789
1790                                         }
1791
1792                 }
1793         default:
1794                 break;
1795         }
1796
1797         call_all(dev, core, s_register, reg);
1798
1799         return ret;
1800 }
1801 #endif
1802
1803 static int vidioc_cropcap(struct file *file, void *priv,
1804                           struct v4l2_cropcap *cc)
1805 {
1806         struct cx231xx_fh *fh = priv;
1807         struct cx231xx *dev = fh->dev;
1808
1809         if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1810                 return -EINVAL;
1811
1812         cc->bounds.left = 0;
1813         cc->bounds.top = 0;
1814         cc->bounds.width = dev->width;
1815         cc->bounds.height = dev->height;
1816         cc->defrect = cc->bounds;
1817         cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
1818         cc->pixelaspect.denominator = 59;
1819
1820         return 0;
1821 }
1822
1823 static int vidioc_streamon(struct file *file, void *priv,
1824                            enum v4l2_buf_type type)
1825 {
1826         struct cx231xx_fh *fh = priv;
1827         struct cx231xx *dev = fh->dev;
1828         int rc;
1829
1830         rc = check_dev(dev);
1831         if (rc < 0)
1832                 return rc;
1833
1834         rc = res_get(fh);
1835
1836         if (likely(rc >= 0))
1837                 rc = videobuf_streamon(&fh->vb_vidq);
1838
1839         call_all(dev, video, s_stream, 1);
1840
1841         return rc;
1842 }
1843
1844 static int vidioc_streamoff(struct file *file, void *priv,
1845                             enum v4l2_buf_type type)
1846 {
1847         struct cx231xx_fh *fh = priv;
1848         struct cx231xx *dev = fh->dev;
1849         int rc;
1850
1851         rc = check_dev(dev);
1852         if (rc < 0)
1853                 return rc;
1854
1855         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1856             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1857                 return -EINVAL;
1858         if (type != fh->type)
1859                 return -EINVAL;
1860
1861         cx25840_call(dev, video, s_stream, 0);
1862
1863         videobuf_streamoff(&fh->vb_vidq);
1864         res_free(fh);
1865
1866         return 0;
1867 }
1868
1869 static int vidioc_querycap(struct file *file, void *priv,
1870                            struct v4l2_capability *cap)
1871 {
1872         struct cx231xx_fh *fh = priv;
1873         struct cx231xx *dev = fh->dev;
1874
1875         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
1876         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
1877         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
1878
1879         cap->capabilities = V4L2_CAP_VBI_CAPTURE |
1880 #if 0
1881                 V4L2_CAP_SLICED_VBI_CAPTURE |
1882 #endif
1883                 V4L2_CAP_VIDEO_CAPTURE  |
1884                 V4L2_CAP_AUDIO          |
1885                 V4L2_CAP_READWRITE      |
1886                 V4L2_CAP_STREAMING;
1887
1888         if (dev->tuner_type != TUNER_ABSENT)
1889                 cap->capabilities |= V4L2_CAP_TUNER;
1890
1891         return 0;
1892 }
1893
1894 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1895                                    struct v4l2_fmtdesc *f)
1896 {
1897         if (unlikely(f->index >= ARRAY_SIZE(format)))
1898                 return -EINVAL;
1899
1900         strlcpy(f->description, format[f->index].name, sizeof(f->description));
1901         f->pixelformat = format[f->index].fourcc;
1902
1903         return 0;
1904 }
1905
1906 /* Sliced VBI ioctls */
1907 static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
1908                                        struct v4l2_format *f)
1909 {
1910         struct cx231xx_fh *fh = priv;
1911         struct cx231xx *dev = fh->dev;
1912         int rc;
1913
1914         rc = check_dev(dev);
1915         if (rc < 0)
1916                 return rc;
1917
1918         f->fmt.sliced.service_set = 0;
1919
1920         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1921
1922         if (f->fmt.sliced.service_set == 0)
1923                 rc = -EINVAL;
1924
1925         return rc;
1926 }
1927
1928 static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
1929                                          struct v4l2_format *f)
1930 {
1931         struct cx231xx_fh *fh = priv;
1932         struct cx231xx *dev = fh->dev;
1933         int rc;
1934
1935         rc = check_dev(dev);
1936         if (rc < 0)
1937                 return rc;
1938
1939         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1940
1941         if (f->fmt.sliced.service_set == 0)
1942                 return -EINVAL;
1943
1944         return 0;
1945 }
1946
1947 /* RAW VBI ioctls */
1948
1949 static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
1950                                 struct v4l2_format *f)
1951 {
1952         struct cx231xx_fh *fh = priv;
1953         struct cx231xx *dev = fh->dev;
1954         f->fmt.vbi.sampling_rate = 6750000 * 4;
1955         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1956         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1957         f->fmt.vbi.offset = 0;
1958         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1959             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1960         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1961             PAL_VBI_LINES : NTSC_VBI_LINES;
1962         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1963             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1964         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1965
1966         return 0;
1967
1968 }
1969
1970 static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
1971                                   struct v4l2_format *f)
1972 {
1973         struct cx231xx_fh *fh = priv;
1974         struct cx231xx *dev = fh->dev;
1975
1976         if (dev->vbi_stream_on && !fh->stream_on) {
1977                 cx231xx_errdev("%s device in use by another fh\n", __func__);
1978                 return -EBUSY;
1979         }
1980
1981         f->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1982         f->fmt.vbi.sampling_rate = 6750000 * 4;
1983         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1984         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1985         f->fmt.vbi.offset = 0;
1986         f->fmt.vbi.flags = 0;
1987         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1988             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1989         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1990             PAL_VBI_LINES : NTSC_VBI_LINES;
1991         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1992             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1993         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1994
1995         return 0;
1996
1997 }
1998
1999 static int vidioc_reqbufs(struct file *file, void *priv,
2000                           struct v4l2_requestbuffers *rb)
2001 {
2002         struct cx231xx_fh *fh = priv;
2003         struct cx231xx *dev = fh->dev;
2004         int rc;
2005
2006         rc = check_dev(dev);
2007         if (rc < 0)
2008                 return rc;
2009
2010         return videobuf_reqbufs(&fh->vb_vidq, rb);
2011 }
2012
2013 static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
2014 {
2015         struct cx231xx_fh *fh = priv;
2016         struct cx231xx *dev = fh->dev;
2017         int rc;
2018
2019         rc = check_dev(dev);
2020         if (rc < 0)
2021                 return rc;
2022
2023         return videobuf_querybuf(&fh->vb_vidq, b);
2024 }
2025
2026 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2027 {
2028         struct cx231xx_fh *fh = priv;
2029         struct cx231xx *dev = fh->dev;
2030         int rc;
2031
2032         rc = check_dev(dev);
2033         if (rc < 0)
2034                 return rc;
2035
2036         return videobuf_qbuf(&fh->vb_vidq, b);
2037 }
2038
2039 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2040 {
2041         struct cx231xx_fh *fh = priv;
2042         struct cx231xx *dev = fh->dev;
2043         int rc;
2044
2045         rc = check_dev(dev);
2046         if (rc < 0)
2047                 return rc;
2048
2049         return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
2050 }
2051
2052 /* ----------------------------------------------------------- */
2053 /* RADIO ESPECIFIC IOCTLS                                      */
2054 /* ----------------------------------------------------------- */
2055
2056 static int radio_querycap(struct file *file, void *priv,
2057                           struct v4l2_capability *cap)
2058 {
2059         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2060
2061         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
2062         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
2063         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
2064
2065         cap->capabilities = V4L2_CAP_TUNER;
2066         return 0;
2067 }
2068
2069 static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2070 {
2071         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2072
2073         if (unlikely(t->index > 0))
2074                 return -EINVAL;
2075
2076         strcpy(t->name, "Radio");
2077         t->type = V4L2_TUNER_RADIO;
2078
2079         call_all(dev, tuner, s_tuner, t);
2080
2081         return 0;
2082 }
2083
2084 static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i)
2085 {
2086         if (i->index != 0)
2087                 return -EINVAL;
2088         strcpy(i->name, "Radio");
2089         i->type = V4L2_INPUT_TYPE_TUNER;
2090
2091         return 0;
2092 }
2093
2094 static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2095 {
2096         if (unlikely(a->index))
2097                 return -EINVAL;
2098
2099         strcpy(a->name, "Radio");
2100         return 0;
2101 }
2102
2103 static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2104 {
2105         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2106
2107         if (0 != t->index)
2108                 return -EINVAL;
2109
2110         call_all(dev, tuner, s_tuner, t);
2111
2112         return 0;
2113 }
2114
2115 static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
2116 {
2117         return 0;
2118 }
2119
2120 static int radio_s_input(struct file *file, void *fh, unsigned int i)
2121 {
2122         return 0;
2123 }
2124
2125 static int radio_queryctrl(struct file *file, void *priv,
2126                            struct v4l2_queryctrl *c)
2127 {
2128         int i;
2129
2130         if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1)
2131                 return -EINVAL;
2132         if (c->id == V4L2_CID_AUDIO_MUTE) {
2133                 for (i = 0; i < CX231XX_CTLS; i++) {
2134                         if (cx231xx_ctls[i].v.id == c->id)
2135                                 break;
2136                 }
2137                 if (i == CX231XX_CTLS)
2138                         return -EINVAL;
2139                 *c = cx231xx_ctls[i].v;
2140         } else
2141                 *c = no_ctl;
2142         return 0;
2143 }
2144
2145 /*
2146  * cx231xx_v4l2_open()
2147  * inits the device and starts isoc transfer
2148  */
2149 static int cx231xx_v4l2_open(struct file *filp)
2150 {
2151         int errCode = 0, radio = 0;
2152         struct video_device *vdev = video_devdata(filp);
2153         struct cx231xx *dev = video_drvdata(filp);
2154         struct cx231xx_fh *fh;
2155         enum v4l2_buf_type fh_type = 0;
2156
2157         switch (vdev->vfl_type) {
2158         case VFL_TYPE_GRABBER:
2159                 fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2160                 break;
2161         case VFL_TYPE_VBI:
2162                 fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
2163                 break;
2164         case VFL_TYPE_RADIO:
2165                 radio = 1;
2166                 break;
2167         }
2168
2169         cx231xx_videodbg("open dev=%s type=%s users=%d\n",
2170                          video_device_node_name(vdev), v4l2_type_names[fh_type],
2171                          dev->users);
2172
2173 #if 0
2174         errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2175         if (errCode < 0) {
2176                 cx231xx_errdev
2177                     ("Device locked on digital mode. Can't open analog\n");
2178                 return -EBUSY;
2179         }
2180 #endif
2181
2182         fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
2183         if (!fh) {
2184                 cx231xx_errdev("cx231xx-video.c: Out of memory?!\n");
2185                 return -ENOMEM;
2186         }
2187         fh->dev = dev;
2188         fh->radio = radio;
2189         fh->type = fh_type;
2190         filp->private_data = fh;
2191
2192         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
2193                 dev->width = norm_maxw(dev);
2194                 dev->height = norm_maxh(dev);
2195
2196                 /* Power up in Analog TV mode */
2197                 if (dev->board.external_av)
2198                         cx231xx_set_power_mode(dev,
2199                                  POLARIS_AVMODE_ENXTERNAL_AV);
2200                 else
2201                         cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
2202
2203 #if 0
2204                 cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2205 #endif
2206
2207                 /* set video alternate setting */
2208                 cx231xx_set_video_alternate(dev);
2209
2210                 /* Needed, since GPIO might have disabled power of
2211                    some i2c device */
2212                 cx231xx_config_i2c(dev);
2213
2214                 /* device needs to be initialized before isoc transfer */
2215                 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
2216
2217         }
2218         if (fh->radio) {
2219                 cx231xx_videodbg("video_open: setting radio device\n");
2220
2221                 /* cx231xx_start_radio(dev); */
2222
2223                 call_all(dev, tuner, s_radio);
2224         }
2225
2226         dev->users++;
2227
2228         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
2229                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
2230                                             NULL, &dev->video_mode.slock,
2231                                             fh->type, V4L2_FIELD_INTERLACED,
2232                                             sizeof(struct cx231xx_buffer),
2233                                             fh, &dev->lock);
2234         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2235                 /* Set the required alternate setting  VBI interface works in
2236                    Bulk mode only */
2237                 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2238
2239                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
2240                                             NULL, &dev->vbi_mode.slock,
2241                                             fh->type, V4L2_FIELD_SEQ_TB,
2242                                             sizeof(struct cx231xx_buffer),
2243                                             fh, &dev->lock);
2244         }
2245
2246         return errCode;
2247 }
2248
2249 /*
2250  * cx231xx_realease_resources()
2251  * unregisters the v4l2,i2c and usb devices
2252  * called when the device gets disconected or at module unload
2253 */
2254 void cx231xx_release_analog_resources(struct cx231xx *dev)
2255 {
2256
2257         /*FIXME: I2C IR should be disconnected */
2258
2259         if (dev->radio_dev) {
2260                 if (video_is_registered(dev->radio_dev))
2261                         video_unregister_device(dev->radio_dev);
2262                 else
2263                         video_device_release(dev->radio_dev);
2264                 dev->radio_dev = NULL;
2265         }
2266         if (dev->vbi_dev) {
2267                 cx231xx_info("V4L2 device %s deregistered\n",
2268                              video_device_node_name(dev->vbi_dev));
2269                 if (video_is_registered(dev->vbi_dev))
2270                         video_unregister_device(dev->vbi_dev);
2271                 else
2272                         video_device_release(dev->vbi_dev);
2273                 dev->vbi_dev = NULL;
2274         }
2275         if (dev->vdev) {
2276                 cx231xx_info("V4L2 device %s deregistered\n",
2277                              video_device_node_name(dev->vdev));
2278
2279                 if (dev->board.has_417)
2280                         cx231xx_417_unregister(dev);
2281
2282                 if (video_is_registered(dev->vdev))
2283                         video_unregister_device(dev->vdev);
2284                 else
2285                         video_device_release(dev->vdev);
2286                 dev->vdev = NULL;
2287         }
2288 }
2289
2290 /*
2291  * cx231xx_v4l2_close()
2292  * stops streaming and deallocates all resources allocated by the v4l2
2293  * calls and ioctls
2294  */
2295 static int cx231xx_v4l2_close(struct file *filp)
2296 {
2297         struct cx231xx_fh *fh = filp->private_data;
2298         struct cx231xx *dev = fh->dev;
2299
2300         cx231xx_videodbg("users=%d\n", dev->users);
2301
2302         cx231xx_videodbg("users=%d\n", dev->users);
2303         if (res_check(fh))
2304                 res_free(fh);
2305
2306         /*
2307          * To workaround error number=-71 on EP0 for VideoGrabber,
2308          *       need exclude following.
2309          * FIXME: It is probably safe to remove most of these, as we're
2310          * now avoiding the alternate setting for INDEX_VANC
2311          */
2312         if (!dev->board.no_alt_vanc)
2313                 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2314                         videobuf_stop(&fh->vb_vidq);
2315                         videobuf_mmap_free(&fh->vb_vidq);
2316
2317                         /* the device is already disconnect,
2318                            free the remaining resources */
2319                         if (dev->state & DEV_DISCONNECTED) {
2320                                 if (atomic_read(&dev->devlist_count) > 0) {
2321                                         cx231xx_release_resources(dev);
2322                                         kfree(dev);
2323                                         dev = NULL;
2324                                         return 0;
2325                                 }
2326                                 return 0;
2327                         }
2328
2329                         /* do this before setting alternate! */
2330                         cx231xx_uninit_vbi_isoc(dev);
2331
2332                         /* set alternate 0 */
2333                         if (!dev->vbi_or_sliced_cc_mode)
2334                                 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2335                         else
2336                                 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
2337
2338                         kfree(fh);
2339                         dev->users--;
2340                         wake_up_interruptible_nr(&dev->open, 1);
2341                         return 0;
2342                 }
2343
2344         dev->users--;
2345         if (!dev->users) {
2346                 videobuf_stop(&fh->vb_vidq);
2347                 videobuf_mmap_free(&fh->vb_vidq);
2348
2349                 /* the device is already disconnect,
2350                    free the remaining resources */
2351                 if (dev->state & DEV_DISCONNECTED) {
2352                         cx231xx_release_resources(dev);
2353                         kfree(dev);
2354                         dev = NULL;
2355                         return 0;
2356                 }
2357
2358                 /* Save some power by putting tuner to sleep */
2359                 call_all(dev, core, s_power, 0);
2360
2361                 /* do this before setting alternate! */
2362                 if (dev->USE_ISO)
2363                         cx231xx_uninit_isoc(dev);
2364                 else
2365                         cx231xx_uninit_bulk(dev);
2366                 cx231xx_set_mode(dev, CX231XX_SUSPEND);
2367
2368                 /* set alternate 0 */
2369                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
2370         }
2371         kfree(fh);
2372         wake_up_interruptible_nr(&dev->open, 1);
2373         return 0;
2374 }
2375
2376 /*
2377  * cx231xx_v4l2_read()
2378  * will allocate buffers when called for the first time
2379  */
2380 static ssize_t
2381 cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
2382                   loff_t *pos)
2383 {
2384         struct cx231xx_fh *fh = filp->private_data;
2385         struct cx231xx *dev = fh->dev;
2386         int rc;
2387
2388         rc = check_dev(dev);
2389         if (rc < 0)
2390                 return rc;
2391
2392         if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
2393             (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
2394                 rc = res_get(fh);
2395
2396                 if (unlikely(rc < 0))
2397                         return rc;
2398
2399                 return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
2400                                             filp->f_flags & O_NONBLOCK);
2401         }
2402         return 0;
2403 }
2404
2405 /*
2406  * cx231xx_v4l2_poll()
2407  * will allocate buffers when called for the first time
2408  */
2409 static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
2410 {
2411         struct cx231xx_fh *fh = filp->private_data;
2412         struct cx231xx *dev = fh->dev;
2413         int rc;
2414
2415         rc = check_dev(dev);
2416         if (rc < 0)
2417                 return rc;
2418
2419         rc = res_get(fh);
2420
2421         if (unlikely(rc < 0))
2422                 return POLLERR;
2423
2424         if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
2425             (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type))
2426                 return videobuf_poll_stream(filp, &fh->vb_vidq, wait);
2427         else
2428                 return POLLERR;
2429 }
2430
2431 /*
2432  * cx231xx_v4l2_mmap()
2433  */
2434 static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
2435 {
2436         struct cx231xx_fh *fh = filp->private_data;
2437         struct cx231xx *dev = fh->dev;
2438         int rc;
2439
2440         rc = check_dev(dev);
2441         if (rc < 0)
2442                 return rc;
2443
2444         rc = res_get(fh);
2445
2446         if (unlikely(rc < 0))
2447                 return rc;
2448
2449         rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
2450
2451         cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
2452                          (unsigned long)vma->vm_start,
2453                          (unsigned long)vma->vm_end -
2454                          (unsigned long)vma->vm_start, rc);
2455
2456         return rc;
2457 }
2458
2459 static const struct v4l2_file_operations cx231xx_v4l_fops = {
2460         .owner   = THIS_MODULE,
2461         .open    = cx231xx_v4l2_open,
2462         .release = cx231xx_v4l2_close,
2463         .read    = cx231xx_v4l2_read,
2464         .poll    = cx231xx_v4l2_poll,
2465         .mmap    = cx231xx_v4l2_mmap,
2466         .unlocked_ioctl   = video_ioctl2,
2467 };
2468
2469 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2470         .vidioc_querycap               = vidioc_querycap,
2471         .vidioc_enum_fmt_vid_cap       = vidioc_enum_fmt_vid_cap,
2472         .vidioc_g_fmt_vid_cap          = vidioc_g_fmt_vid_cap,
2473         .vidioc_try_fmt_vid_cap        = vidioc_try_fmt_vid_cap,
2474         .vidioc_s_fmt_vid_cap          = vidioc_s_fmt_vid_cap,
2475         .vidioc_g_fmt_vbi_cap          = vidioc_g_fmt_vbi_cap,
2476         .vidioc_try_fmt_vbi_cap        = vidioc_try_fmt_vbi_cap,
2477         .vidioc_s_fmt_vbi_cap          = vidioc_try_fmt_vbi_cap,
2478         .vidioc_g_audio                =  vidioc_g_audio,
2479         .vidioc_s_audio                = vidioc_s_audio,
2480         .vidioc_cropcap                = vidioc_cropcap,
2481         .vidioc_g_fmt_sliced_vbi_cap   = vidioc_g_fmt_sliced_vbi_cap,
2482         .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
2483         .vidioc_reqbufs                = vidioc_reqbufs,
2484         .vidioc_querybuf               = vidioc_querybuf,
2485         .vidioc_qbuf                   = vidioc_qbuf,
2486         .vidioc_dqbuf                  = vidioc_dqbuf,
2487         .vidioc_s_std                  = vidioc_s_std,
2488         .vidioc_g_std                  = vidioc_g_std,
2489         .vidioc_enum_input             = vidioc_enum_input,
2490         .vidioc_g_input                = vidioc_g_input,
2491         .vidioc_s_input                = vidioc_s_input,
2492         .vidioc_queryctrl              = vidioc_queryctrl,
2493         .vidioc_g_ctrl                 = vidioc_g_ctrl,
2494         .vidioc_s_ctrl                 = vidioc_s_ctrl,
2495         .vidioc_streamon               = vidioc_streamon,
2496         .vidioc_streamoff              = vidioc_streamoff,
2497         .vidioc_g_tuner                = vidioc_g_tuner,
2498         .vidioc_s_tuner                = vidioc_s_tuner,
2499         .vidioc_g_frequency            = vidioc_g_frequency,
2500         .vidioc_s_frequency            = vidioc_s_frequency,
2501 #ifdef CONFIG_VIDEO_ADV_DEBUG
2502         .vidioc_g_register             = vidioc_g_register,
2503         .vidioc_s_register             = vidioc_s_register,
2504 #endif
2505 };
2506
2507 static struct video_device cx231xx_vbi_template;
2508
2509 static const struct video_device cx231xx_video_template = {
2510         .fops         = &cx231xx_v4l_fops,
2511         .release      = video_device_release,
2512         .ioctl_ops    = &video_ioctl_ops,
2513         .tvnorms      = V4L2_STD_ALL,
2514         .current_norm = V4L2_STD_PAL,
2515 };
2516
2517 static const struct v4l2_file_operations radio_fops = {
2518         .owner   = THIS_MODULE,
2519         .open   = cx231xx_v4l2_open,
2520         .release = cx231xx_v4l2_close,
2521         .ioctl   = video_ioctl2,
2522 };
2523
2524 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2525         .vidioc_querycap    = radio_querycap,
2526         .vidioc_g_tuner     = radio_g_tuner,
2527         .vidioc_enum_input  = radio_enum_input,
2528         .vidioc_g_audio     = radio_g_audio,
2529         .vidioc_s_tuner     = radio_s_tuner,
2530         .vidioc_s_audio     = radio_s_audio,
2531         .vidioc_s_input     = radio_s_input,
2532         .vidioc_queryctrl   = radio_queryctrl,
2533         .vidioc_g_ctrl      = vidioc_g_ctrl,
2534         .vidioc_s_ctrl      = vidioc_s_ctrl,
2535         .vidioc_g_frequency = vidioc_g_frequency,
2536         .vidioc_s_frequency = vidioc_s_frequency,
2537 #ifdef CONFIG_VIDEO_ADV_DEBUG
2538         .vidioc_g_register  = vidioc_g_register,
2539         .vidioc_s_register  = vidioc_s_register,
2540 #endif
2541 };
2542
2543 static struct video_device cx231xx_radio_template = {
2544         .name      = "cx231xx-radio",
2545         .fops      = &radio_fops,
2546         .ioctl_ops = &radio_ioctl_ops,
2547 };
2548
2549 /******************************** usb interface ******************************/
2550
2551 static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
2552                 const struct video_device
2553                 *template, const char *type_name)
2554 {
2555         struct video_device *vfd;
2556
2557         vfd = video_device_alloc();
2558         if (NULL == vfd)
2559                 return NULL;
2560
2561         *vfd = *template;
2562         vfd->v4l2_dev = &dev->v4l2_dev;
2563         vfd->release = video_device_release;
2564         vfd->debug = video_debug;
2565         vfd->lock = &dev->lock;
2566
2567         snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
2568
2569         video_set_drvdata(vfd, dev);
2570         return vfd;
2571 }
2572
2573 int cx231xx_register_analog_devices(struct cx231xx *dev)
2574 {
2575         int ret;
2576
2577         cx231xx_info("%s: v4l2 driver version %s\n",
2578                      dev->name, CX231XX_VERSION);
2579
2580         /* set default norm */
2581         /*dev->norm = cx231xx_video_template.current_norm; */
2582         dev->width = norm_maxw(dev);
2583         dev->height = norm_maxh(dev);
2584         dev->interlaced = 0;
2585
2586         /* Analog specific initialization */
2587         dev->format = &format[0];
2588
2589         /* Set the initial input */
2590         video_mux(dev, dev->video_input);
2591
2592         /* Audio defaults */
2593         dev->mute = 1;
2594         dev->volume = 0x1f;
2595
2596         /* enable vbi capturing */
2597         /* write code here...  */
2598
2599         /* allocate and fill video video_device struct */
2600         dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video");
2601         if (!dev->vdev) {
2602                 cx231xx_errdev("cannot allocate video_device.\n");
2603                 return -ENODEV;
2604         }
2605
2606         /* register v4l2 video video_device */
2607         ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
2608                                     video_nr[dev->devno]);
2609         if (ret) {
2610                 cx231xx_errdev("unable to register video device (error=%i).\n",
2611                                ret);
2612                 return ret;
2613         }
2614
2615         cx231xx_info("%s/0: registered device %s [v4l2]\n",
2616                      dev->name, video_device_node_name(dev->vdev));
2617
2618         /* Initialize VBI template */
2619         memcpy(&cx231xx_vbi_template, &cx231xx_video_template,
2620                sizeof(cx231xx_vbi_template));
2621         strcpy(cx231xx_vbi_template.name, "cx231xx-vbi");
2622
2623         /* Allocate and fill vbi video_device struct */
2624         dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi");
2625
2626         /* register v4l2 vbi video_device */
2627         ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
2628                                     vbi_nr[dev->devno]);
2629         if (ret < 0) {
2630                 cx231xx_errdev("unable to register vbi device\n");
2631                 return ret;
2632         }
2633
2634         cx231xx_info("%s/0: registered device %s\n",
2635                      dev->name, video_device_node_name(dev->vbi_dev));
2636
2637         if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
2638                 dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template,
2639                                                    "radio");
2640                 if (!dev->radio_dev) {
2641                         cx231xx_errdev("cannot allocate video_device.\n");
2642                         return -ENODEV;
2643                 }
2644                 ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
2645                                             radio_nr[dev->devno]);
2646                 if (ret < 0) {
2647                         cx231xx_errdev("can't register radio device\n");
2648                         return ret;
2649                 }
2650                 cx231xx_info("Registered radio device as %s\n",
2651                              video_device_node_name(dev->radio_dev));
2652         }
2653
2654         cx231xx_info("V4L2 device registered as %s and %s\n",
2655                      video_device_node_name(dev->vdev),
2656                      video_device_node_name(dev->vbi_dev));
2657
2658         return 0;
2659 }