drivers/media/video/cx231xx/cx231xx-video.c

   1 /*
   2    cx231xx-video.c - driver for Conexant Cx23100/101/102
   3                      USB video capture devices
   4
   5    Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
   6         Based on em28xx driver
   7         Based on cx23885 driver
   8         Based on cx88 driver
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 #include <linux/init.h>
  26 #include <linux/list.h>
  27 #include <linux/module.h>
  28 #include <linux/kernel.h>
  29 #include <linux/bitmap.h>
  30 #include <linux/usb.h>
  31 #include <linux/i2c.h>
  32 #include <linux/version.h>
  33 #include <linux/mm.h>
  34 #include <linux/mutex.h>
  35 #include <linux/slab.h>
  36
  37 #include <media/v4l2-common.h>
  38 #include <media/v4l2-ioctl.h>
  39 #include <media/v4l2-chip-ident.h>
  40 #include <media/msp3400.h>
  41 #include <media/tuner.h>
  42
  43 #include "dvb_frontend.h"
  44
  45 #include "cx231xx.h"
  46 #include "cx231xx-vbi.h"
  47
  48 #define CX231XX_VERSION_CODE            KERNEL_VERSION(0, 0, 1)
  49
  50 #define DRIVER_AUTHOR   "Srinivasa Deevi <srinivasa.deevi@conexant.com>"
  51 #define DRIVER_DESC     "Conexant cx231xx based USB video device driver"
  52
  53 #define cx231xx_videodbg(fmt, arg...) do {\
  54         if (video_debug) \
  55                 printk(KERN_INFO "%s %s :"fmt, \
  56                          dev->name, __func__ , ##arg); } while (0)
  57
  58 static unsigned int isoc_debug;
  59 module_param(isoc_debug, int, 0644);
  60 MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
  61
  62 #define cx231xx_isocdbg(fmt, arg...) \
  63 do {\
  64         if (isoc_debug) { \
  65                 printk(KERN_INFO "%s %s :"fmt, \
  66                          dev->name, __func__ , ##arg); \
  67         } \
  68   } while (0)
  69
  70 MODULE_AUTHOR(DRIVER_AUTHOR);
  71 MODULE_DESCRIPTION(DRIVER_DESC);
  72 MODULE_LICENSE("GPL");
  73
  74 static unsigned int card[]     = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
  75 static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
  76 static unsigned int vbi_nr[]   = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
  77 static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
  78
  79 module_param_array(card, int, NULL, 0444);
  80 module_param_array(video_nr, int, NULL, 0444);
  81 module_param_array(vbi_nr, int, NULL, 0444);
  82 module_param_array(radio_nr, int, NULL, 0444);
  83
  84 MODULE_PARM_DESC(card, "card type");
  85 MODULE_PARM_DESC(video_nr, "video device numbers");
  86 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  87 MODULE_PARM_DESC(radio_nr, "radio device numbers");
  88
  89 static unsigned int video_debug;
  90 module_param(video_debug, int, 0644);
  91 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  92
  93 /* supported video standards */
  94 static struct cx231xx_fmt format[] = {
  95         {
  96          .name = "16bpp YUY2, 4:2:2, packed",
  97          .fourcc = V4L2_PIX_FMT_YUYV,
  98          .depth = 16,
  99          .reg = 0,
 100          },
 101 };
 102
 103 /* supported controls */
 104 /* Common to all boards */
 105
 106 /* ------------------------------------------------------------------- */
 107
 108 static const struct v4l2_queryctrl no_ctl = {
 109         .name = "42",
 110         .flags = V4L2_CTRL_FLAG_DISABLED,
 111 };
 112
 113 static struct cx231xx_ctrl cx231xx_ctls[] = {
 114         /* --- video --- */
 115         {
 116                 .v = {
 117                         .id = V4L2_CID_BRIGHTNESS,
 118                         .name = "Brightness",
 119                         .minimum = 0x00,
 120                         .maximum = 0xff,
 121                         .step = 1,
 122                         .default_value = 0x7f,
 123                         .type = V4L2_CTRL_TYPE_INTEGER,
 124                 },
 125                 .off = 128,
 126                 .reg = LUMA_CTRL,
 127                 .mask = 0x00ff,
 128                 .shift = 0,
 129         }, {
 130                 .v = {
 131                         .id = V4L2_CID_CONTRAST,
 132                         .name = "Contrast",
 133                         .minimum = 0,
 134                         .maximum = 0xff,
 135                         .step = 1,
 136                         .default_value = 0x3f,
 137                         .type = V4L2_CTRL_TYPE_INTEGER,
 138                 },
 139                 .off = 0,
 140                 .reg = LUMA_CTRL,
 141                 .mask = 0xff00,
 142                 .shift = 8,
 143         }, {
 144                 .v = {
 145                         .id = V4L2_CID_HUE,
 146                         .name = "Hue",
 147                         .minimum = 0,
 148                         .maximum = 0xff,
 149                         .step = 1,
 150                         .default_value = 0x7f,
 151                         .type = V4L2_CTRL_TYPE_INTEGER,
 152                 },
 153                 .off = 128,
 154                 .reg = CHROMA_CTRL,
 155                 .mask = 0xff0000,
 156                 .shift = 16,
 157         }, {
 158         /* strictly, this only describes only U saturation.
 159         * V saturation is handled specially through code.
 160         */
 161                 .v = {
 162                         .id = V4L2_CID_SATURATION,
 163                         .name = "Saturation",
 164                         .minimum = 0,
 165                         .maximum = 0xff,
 166                         .step = 1,
 167                         .default_value = 0x7f,
 168                         .type = V4L2_CTRL_TYPE_INTEGER,
 169                 },
 170                 .off = 0,
 171                 .reg = CHROMA_CTRL,
 172                 .mask = 0x00ff,
 173                 .shift = 0,
 174         }, {
 175                 /* --- audio --- */
 176                 .v = {
 177                         .id = V4L2_CID_AUDIO_MUTE,
 178                         .name = "Mute",
 179                         .minimum = 0,
 180                         .maximum = 1,
 181                         .default_value = 1,
 182                         .type = V4L2_CTRL_TYPE_BOOLEAN,
 183                 },
 184                 .reg = PATH1_CTL1,
 185                 .mask = (0x1f << 24),
 186                 .shift = 24,
 187         }, {
 188                 .v = {
 189                         .id = V4L2_CID_AUDIO_VOLUME,
 190                         .name = "Volume",
 191                         .minimum = 0,
 192                         .maximum = 0x3f,
 193                         .step = 1,
 194                         .default_value = 0x3f,
 195                         .type = V4L2_CTRL_TYPE_INTEGER,
 196                 },
 197                 .reg = PATH1_VOL_CTL,
 198                 .mask = 0xff,
 199                 .shift = 0,
 200         }
 201 };
 202 static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls);
 203
 204 static const u32 cx231xx_user_ctrls[] = {
 205         V4L2_CID_USER_CLASS,
 206         V4L2_CID_BRIGHTNESS,
 207         V4L2_CID_CONTRAST,
 208         V4L2_CID_SATURATION,
 209         V4L2_CID_HUE,
 210         V4L2_CID_AUDIO_VOLUME,
 211 #if 0
 212         V4L2_CID_AUDIO_BALANCE,
 213 #endif
 214         V4L2_CID_AUDIO_MUTE,
 215         0
 216 };
 217
 218 static const u32 *ctrl_classes[] = {
 219         cx231xx_user_ctrls,
 220         NULL
 221 };
 222
 223 /* ------------------------------------------------------------------
 224         Video buffer and parser functions
 225    ------------------------------------------------------------------*/
 226
 227 /*
 228  * Announces that a buffer were filled and request the next
 229  */
 230 static inline void buffer_filled(struct cx231xx *dev,
 231                                  struct cx231xx_dmaqueue *dma_q,
 232                                  struct cx231xx_buffer *buf)
 233 {
 234         /* Advice that buffer was filled */
 235         cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
 236         buf->vb.state = VIDEOBUF_DONE;
 237         buf->vb.field_count++;
 238         do_gettimeofday(&buf->vb.ts);
 239
 240         if (dev->USE_ISO)
 241                 dev->video_mode.isoc_ctl.buf = NULL;
 242         else
 243                 dev->video_mode.bulk_ctl.buf = NULL;
 244
 245         list_del(&buf->vb.queue);
 246         wake_up(&buf->vb.done);
 247 }
 248
 249 static inline void print_err_status(struct cx231xx *dev, int packet, int status)
 250 {
 251         char *errmsg = "Unknown";
 252
 253         switch (status) {
 254         case -ENOENT:
 255                 errmsg = "unlinked synchronuously";
 256                 break;
 257         case -ECONNRESET:
 258                 errmsg = "unlinked asynchronuously";
 259                 break;
 260         case -ENOSR:
 261                 errmsg = "Buffer error (overrun)";
 262                 break;
 263         case -EPIPE:
 264                 errmsg = "Stalled (device not responding)";
 265                 break;
 266         case -EOVERFLOW:
 267                 errmsg = "Babble (bad cable?)";
 268                 break;
 269         case -EPROTO:
 270                 errmsg = "Bit-stuff error (bad cable?)";
 271                 break;
 272         case -EILSEQ:
 273                 errmsg = "CRC/Timeout (could be anything)";
 274                 break;
 275         case -ETIME:
 276                 errmsg = "Device does not respond";
 277                 break;
 278         }
 279         if (packet < 0) {
 280                 cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg);
 281         } else {
 282                 cx231xx_isocdbg("URB packet %d, status %d [%s].\n",
 283                                 packet, status, errmsg);
 284         }
 285 }
 286
 287 /*
 288  * video-buf generic routine to get the next available buffer
 289  */
 290 static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
 291                                 struct cx231xx_buffer **buf)
 292 {
 293         struct cx231xx_video_mode *vmode =
 294             container_of(dma_q, struct cx231xx_video_mode, vidq);
 295         struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
 296
 297         char *outp;
 298
 299         if (list_empty(&dma_q->active)) {
 300                 cx231xx_isocdbg("No active queue to serve\n");
 301                 if (dev->USE_ISO)
 302                         dev->video_mode.isoc_ctl.buf = NULL;
 303                 else
 304                         dev->video_mode.bulk_ctl.buf = NULL;
 305                 *buf = NULL;
 306                 return;
 307         }
 308
 309         /* Get the next buffer */
 310         *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);
 311
 312         /* Cleans up buffer - Usefull for testing for frame/URB loss */
 313         outp = videobuf_to_vmalloc(&(*buf)->vb);
 314         memset(outp, 0, (*buf)->vb.size);
 315
 316         if (dev->USE_ISO)
 317                 dev->video_mode.isoc_ctl.buf = *buf;
 318         else
 319                 dev->video_mode.bulk_ctl.buf = *buf;
 320
 321         return;
 322 }
 323
 324 /*
 325  * Controls the isoc copy of each urb packet
 326  */
 327 static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
 328 {
 329         struct cx231xx_buffer *buf;
 330         struct cx231xx_dmaqueue *dma_q = urb->context;
 331         unsigned char *outp = NULL;
 332         int i, rc = 1;
 333         unsigned char *p_buffer;
 334         u32 bytes_parsed = 0, buffer_size = 0;
 335         u8 sav_eav = 0;
 336
 337         if (!dev)
 338                 return 0;
 339
 340         if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
 341                 return 0;
 342
 343         if (urb->status < 0) {
 344                 print_err_status(dev, -1, urb->status);
 345                 if (urb->status == -ENOENT)
 346                         return 0;
 347         }
 348
 349         buf = dev->video_mode.isoc_ctl.buf;
 350         if (buf != NULL)
 351                 outp = videobuf_to_vmalloc(&buf->vb);
 352
 353         for (i = 0; i < urb->number_of_packets; i++) {
 354                 int status = urb->iso_frame_desc[i].status;
 355
 356                 if (status < 0) {
 357                         print_err_status(dev, i, status);
 358                         if (urb->iso_frame_desc[i].status != -EPROTO)
 359                                 continue;
 360                 }
 361
 362                 if (urb->iso_frame_desc[i].actual_length <= 0) {
 363                         /* cx231xx_isocdbg("packet %d is empty",i); - spammy */
 364                         continue;
 365                 }
 366                 if (urb->iso_frame_desc[i].actual_length >
 367                     dev->video_mode.max_pkt_size) {
 368                         cx231xx_isocdbg("packet bigger than packet size");
 369                         continue;
 370                 }
 371
 372                 /*  get buffer pointer and length */
 373                 p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
 374                 buffer_size = urb->iso_frame_desc[i].actual_length;
 375                 bytes_parsed = 0;
 376
 377                 if (dma_q->is_partial_line) {
 378                         /* Handle the case of a partial line */
 379                         sav_eav = dma_q->last_sav;
 380                 } else {
 381                         /* Check for a SAV/EAV overlapping
 382                                 the buffer boundary */
 383                         sav_eav =
 384                             cx231xx_find_boundary_SAV_EAV(p_buffer,
 385                                                           dma_q->partial_buf,
 386                                                           &bytes_parsed);
 387                 }
 388
 389                 sav_eav &= 0xF0;
 390                 /* Get the first line if we have some portion of an SAV/EAV from
 391                    the last buffer or a partial line  */
 392                 if (sav_eav) {
 393                         bytes_parsed += cx231xx_get_video_line(dev, dma_q,
 394                                 sav_eav,        /* SAV/EAV */
 395                                 p_buffer + bytes_parsed,        /* p_buffer */
 396                                 buffer_size - bytes_parsed);/* buf size */
 397                 }
 398
 399                 /* Now parse data that is completely in this buffer */
 400                 /* dma_q->is_partial_line = 0;  */
 401
 402                 while (bytes_parsed < buffer_size) {
 403                         u32 bytes_used = 0;
 404
 405                         sav_eav = cx231xx_find_next_SAV_EAV(
 406                                 p_buffer + bytes_parsed,        /* p_buffer */
 407                                 buffer_size - bytes_parsed,     /* buf size */
 408                                 &bytes_used);/* bytes used to get SAV/EAV */
 409
 410                         bytes_parsed += bytes_used;
 411
 412                         sav_eav &= 0xF0;
 413                         if (sav_eav && (bytes_parsed < buffer_size)) {
 414                                 bytes_parsed += cx231xx_get_video_line(dev,
 415                                         dma_q, sav_eav, /* SAV/EAV */
 416                                         p_buffer + bytes_parsed,/* p_buffer */
 417                                         buffer_size - bytes_parsed);/*buf size*/
 418                         }
 419                 }
 420
 421                 /* Save the last four bytes of the buffer so we can check the
 422                    buffer boundary condition next time */
 423                 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
 424                 bytes_parsed = 0;
 425
 426         }
 427         return rc;
 428 }
 429
 430 static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
 431 {
 432         struct cx231xx_buffer *buf;
 433         struct cx231xx_dmaqueue *dma_q = urb->context;
 434         unsigned char *outp = NULL;
 435         int rc = 1;
 436         unsigned char *p_buffer;
 437         u32 bytes_parsed = 0, buffer_size = 0;
 438         u8 sav_eav = 0;
 439
 440         if (!dev)
 441                 return 0;
 442
 443         if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
 444                 return 0;
 445
 446         if (urb->status < 0) {
 447                 print_err_status(dev, -1, urb->status);
 448                 if (urb->status == -ENOENT)
 449                         return 0;
 450         }
 451
 452         buf = dev->video_mode.bulk_ctl.buf;
 453         if (buf != NULL)
 454                 outp = videobuf_to_vmalloc(&buf->vb);
 455
 456         if (1) {
 457
 458                 /*  get buffer pointer and length */
 459                 p_buffer = urb->transfer_buffer;
 460                 buffer_size = urb->actual_length;
 461                 bytes_parsed = 0;
 462
 463                 if (dma_q->is_partial_line) {
 464                         /* Handle the case of a partial line */
 465                         sav_eav = dma_q->last_sav;
 466                 } else {
 467                         /* Check for a SAV/EAV overlapping
 468                                 the buffer boundary */
 469                         sav_eav =
 470                             cx231xx_find_boundary_SAV_EAV(p_buffer,
 471                                                           dma_q->partial_buf,
 472                                                           &bytes_parsed);
 473                 }
 474
 475                 sav_eav &= 0xF0;
 476                 /* Get the first line if we have some portion of an SAV/EAV from
 477                    the last buffer or a partial line  */
 478                 if (sav_eav) {
 479                         bytes_parsed += cx231xx_get_video_line(dev, dma_q,
 480                                 sav_eav,        /* SAV/EAV */
 481                                 p_buffer + bytes_parsed,        /* p_buffer */
 482                                 buffer_size - bytes_parsed);/* buf size */
 483                 }
 484
 485                 /* Now parse data that is completely in this buffer */
 486                 /* dma_q->is_partial_line = 0;  */
 487
 488                 while (bytes_parsed < buffer_size) {
 489                         u32 bytes_used = 0;
 490
 491                         sav_eav = cx231xx_find_next_SAV_EAV(
 492                                 p_buffer + bytes_parsed,        /* p_buffer */
 493                                 buffer_size - bytes_parsed,     /* buf size */
 494                                 &bytes_used);/* bytes used to get SAV/EAV */
 495
 496                         bytes_parsed += bytes_used;
 497
 498                         sav_eav &= 0xF0;
 499                         if (sav_eav && (bytes_parsed < buffer_size)) {
 500                                 bytes_parsed += cx231xx_get_video_line(dev,
 501                                         dma_q, sav_eav, /* SAV/EAV */
 502                                         p_buffer + bytes_parsed,/* p_buffer */
 503                                         buffer_size - bytes_parsed);/*buf size*/
 504                         }
 505                 }
 506
 507                 /* Save the last four bytes of the buffer so we can check the
 508                    buffer boundary condition next time */
 509                 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
 510                 bytes_parsed = 0;
 511
 512         }
 513         return rc;
 514 }
 515
 516
 517 u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
 518                                  u32 *p_bytes_used)
 519 {
 520         u32 bytes_used;
 521         u8 boundary_bytes[8];
 522         u8 sav_eav = 0;
 523
 524         *p_bytes_used = 0;
 525
 526         /* Create an array of the last 4 bytes of the last buffer and the first
 527            4 bytes of the current buffer. */
 528
 529         memcpy(boundary_bytes, partial_buf, 4);
 530         memcpy(boundary_bytes + 4, p_buffer, 4);
 531
 532         /* Check for the SAV/EAV in the boundary buffer */
 533         sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8,
 534                                             &bytes_used);
 535
 536         if (sav_eav) {
 537                 /* found a boundary SAV/EAV.  Updates the bytes used to reflect
 538                    only those used in the new buffer */
 539                 *p_bytes_used = bytes_used - 4;
 540         }
 541
 542         return sav_eav;
 543 }
 544
 545 u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used)
 546 {
 547         u32 i;
 548         u8 sav_eav = 0;
 549
 550         /*
 551          * Don't search if the buffer size is less than 4.  It causes a page
 552          * fault since buffer_size - 4 evaluates to a large number in that
 553          * case.
 554          */
 555         if (buffer_size < 4) {
 556                 *p_bytes_used = buffer_size;
 557                 return 0;
 558         }
 559
 560         for (i = 0; i < (buffer_size - 3); i++) {
 561
 562                 if ((p_buffer[i] == 0xFF) &&
 563                     (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) {
 564
 565                         *p_bytes_used = i + 4;
 566                         sav_eav = p_buffer[i + 3];
 567                         return sav_eav;
 568                 }
 569         }
 570
 571         *p_bytes_used = buffer_size;
 572         return 0;
 573 }
 574
 575 u32 cx231xx_get_video_line(struct cx231xx *dev,
 576                            struct cx231xx_dmaqueue *dma_q, u8 sav_eav,
 577                            u8 *p_buffer, u32 buffer_size)
 578 {
 579         u32 bytes_copied = 0;
 580         int current_field = -1;
 581
 582         switch (sav_eav) {
 583         case SAV_ACTIVE_VIDEO_FIELD1:
 584                 /* looking for skipped line which occurred in PAL 720x480 mode.
 585                    In this case, there will be no active data contained
 586                    between the SAV and EAV */
 587                 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
 588                     (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
 589                     ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
 590                      (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
 591                      (p_buffer[3] == EAV_VBLANK_FIELD1) ||
 592                      (p_buffer[3] == EAV_VBLANK_FIELD2)))
 593                         return bytes_copied;
 594                 current_field = 1;
 595                 break;
 596
 597         case SAV_ACTIVE_VIDEO_FIELD2:
 598                 /* looking for skipped line which occurred in PAL 720x480 mode.
 599                    In this case, there will be no active data contained between
 600                    the SAV and EAV */
 601                 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
 602                     (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
 603                     ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
 604                      (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
 605                      (p_buffer[3] == EAV_VBLANK_FIELD1)       ||
 606                      (p_buffer[3] == EAV_VBLANK_FIELD2)))
 607                         return bytes_copied;
 608                 current_field = 2;
 609                 break;
 610         }
 611
 612         dma_q->last_sav = sav_eav;
 613
 614         bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer,
 615                                                buffer_size, current_field);
 616
 617         return bytes_copied;
 618 }
 619
 620 u32 cx231xx_copy_video_line(struct cx231xx *dev,
 621                             struct cx231xx_dmaqueue *dma_q, u8 *p_line,
 622                             u32 length, int field_number)
 623 {
 624         u32 bytes_to_copy;
 625         struct cx231xx_buffer *buf;
 626         u32 _line_size = dev->width * 2;
 627
 628         if (dma_q->current_field != field_number)
 629                 cx231xx_reset_video_buffer(dev, dma_q);
 630
 631         /* get the buffer pointer */
 632         if (dev->USE_ISO)
 633                 buf = dev->video_mode.isoc_ctl.buf;
 634         else
 635                 buf = dev->video_mode.bulk_ctl.buf;
 636
 637         /* Remember the field number for next time */
 638         dma_q->current_field = field_number;
 639
 640         bytes_to_copy = dma_q->bytes_left_in_line;
 641         if (bytes_to_copy > length)
 642                 bytes_to_copy = length;
 643
 644         if (dma_q->lines_completed >= dma_q->lines_per_field) {
 645                 dma_q->bytes_left_in_line -= bytes_to_copy;
 646                 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ?
 647                                           0 : 1;
 648                 return 0;
 649         }
 650
 651         dma_q->is_partial_line = 1;
 652
 653         /* If we don't have a buffer, just return the number of bytes we would
 654            have copied if we had a buffer. */
 655         if (!buf) {
 656                 dma_q->bytes_left_in_line -= bytes_to_copy;
 657                 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0)
 658                                          ? 0 : 1;
 659                 return bytes_to_copy;
 660         }
 661
 662         /* copy the data to video buffer */
 663         cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy);
 664
 665         dma_q->pos += bytes_to_copy;
 666         dma_q->bytes_left_in_line -= bytes_to_copy;
 667
 668         if (dma_q->bytes_left_in_line == 0) {
 669                 dma_q->bytes_left_in_line = _line_size;
 670                 dma_q->lines_completed++;
 671                 dma_q->is_partial_line = 0;
 672
 673                 if (cx231xx_is_buffer_done(dev, dma_q) && buf) {
 674                         buffer_filled(dev, dma_q, buf);
 675
 676                         dma_q->pos = 0;
 677                         buf = NULL;
 678                         dma_q->lines_completed = 0;
 679                 }
 680         }
 681
 682         return bytes_to_copy;
 683 }
 684
 685 void cx231xx_reset_video_buffer(struct cx231xx *dev,
 686                                 struct cx231xx_dmaqueue *dma_q)
 687 {
 688         struct cx231xx_buffer *buf;
 689
 690         /* handle the switch from field 1 to field 2 */
 691         if (dma_q->current_field == 1) {
 692                 if (dma_q->lines_completed >= dma_q->lines_per_field)
 693                         dma_q->field1_done = 1;
 694                 else
 695                         dma_q->field1_done = 0;
 696         }
 697
 698         if (dev->USE_ISO)
 699                 buf = dev->video_mode.isoc_ctl.buf;
 700         else
 701                 buf = dev->video_mode.bulk_ctl.buf;
 702
 703         if (buf == NULL) {
 704                 u8 *outp = NULL;
 705                 /* first try to get the buffer */
 706                 get_next_buf(dma_q, &buf);
 707
 708                 if (buf)
 709                         outp = videobuf_to_vmalloc(&buf->vb);
 710
 711                 dma_q->pos = 0;
 712                 dma_q->field1_done = 0;
 713                 dma_q->current_field = -1;
 714         }
 715
 716         /* reset the counters */
 717         dma_q->bytes_left_in_line = dev->width << 1;
 718         dma_q->lines_completed = 0;
 719 }
 720
 721 int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
 722                     u8 *p_buffer, u32 bytes_to_copy)
 723 {
 724         u8 *p_out_buffer = NULL;
 725         u32 current_line_bytes_copied = 0;
 726         struct cx231xx_buffer *buf;
 727         u32 _line_size = dev->width << 1;
 728         void *startwrite;
 729         int offset, lencopy;
 730
 731         if (dev->USE_ISO)
 732                 buf = dev->video_mode.isoc_ctl.buf;
 733         else
 734                 buf = dev->video_mode.bulk_ctl.buf;
 735
 736         if (buf == NULL)
 737                 return -1;
 738
 739         p_out_buffer = videobuf_to_vmalloc(&buf->vb);
 740
 741         current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line;
 742
 743         /* Offset field 2 one line from the top of the buffer */
 744         offset = (dma_q->current_field == 1) ? 0 : _line_size;
 745
 746         /* Offset for field 2 */
 747         startwrite = p_out_buffer + offset;
 748
 749         /* lines already completed in the current field */
 750         startwrite += (dma_q->lines_completed * _line_size * 2);
 751
 752         /* bytes already completed in the current line */
 753         startwrite += current_line_bytes_copied;
 754
 755         lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?
 756                   bytes_to_copy : dma_q->bytes_left_in_line;
 757
 758         if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size))
 759                 return 0;
 760
 761         /* The below copies the UYVY data straight into video buffer */
 762         cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy);
 763
 764         return 0;
 765 }
 766
 767 void cx231xx_swab(u16 *from, u16 *to, u16 len)
 768 {
 769         u16 i;
 770
 771         if (len <= 0)
 772                 return;
 773
 774         for (i = 0; i < len / 2; i++)
 775                 to[i] = (from[i] << 8) | (from[i] >> 8);
 776 }
 777
 778 u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q)
 779 {
 780         u8 buffer_complete = 0;
 781
 782         /* Dual field stream */
 783         buffer_complete = ((dma_q->current_field == 2) &&
 784                            (dma_q->lines_completed >= dma_q->lines_per_field) &&
 785                             dma_q->field1_done);
 786
 787         return buffer_complete;
 788 }
 789
 790 /* ------------------------------------------------------------------
 791         Videobuf operations
 792    ------------------------------------------------------------------*/
 793
 794 static int
 795 buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
 796 {
 797         struct cx231xx_fh *fh = vq->priv_data;
 798         struct cx231xx *dev = fh->dev;
 799
 800         *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3;
 801         if (0 == *count)
 802                 *count = CX231XX_DEF_BUF;
 803
 804         if (*count < CX231XX_MIN_BUF)
 805                 *count = CX231XX_MIN_BUF;
 806
 807         return 0;
 808 }
 809
 810 /* This is called *without* dev->slock held; please keep it that way */
 811 static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
 812 {
 813         struct cx231xx_fh *fh = vq->priv_data;
 814         struct cx231xx *dev = fh->dev;
 815         unsigned long flags = 0;
 816
 817         if (in_interrupt())
 818                 BUG();
 819
 820         /* We used to wait for the buffer to finish here, but this didn't work
 821            because, as we were keeping the state as VIDEOBUF_QUEUED,
 822            videobuf_queue_cancel marked it as finished for us.
 823            (Also, it could wedge forever if the hardware was misconfigured.)
 824
 825            This should be safe; by the time we get here, the buffer isn't
 826            queued anymore. If we ever start marking the buffers as
 827            VIDEOBUF_ACTIVE, it won't be, though.
 828          */
 829         spin_lock_irqsave(&dev->video_mode.slock, flags);
 830         if (dev->USE_ISO) {
 831                 if (dev->video_mode.isoc_ctl.buf == buf)
 832                         dev->video_mode.isoc_ctl.buf = NULL;
 833         } else {
 834                 if (dev->video_mode.bulk_ctl.buf == buf)
 835                         dev->video_mode.bulk_ctl.buf = NULL;
 836         }
 837         spin_unlock_irqrestore(&dev->video_mode.slock, flags);
 838
 839         videobuf_vmalloc_free(&buf->vb);
 840         buf->vb.state = VIDEOBUF_NEEDS_INIT;
 841 }
 842
 843 static int
 844 buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
 845                enum v4l2_field field)
 846 {
 847         struct cx231xx_fh *fh = vq->priv_data;
 848         struct cx231xx_buffer *buf =
 849             container_of(vb, struct cx231xx_buffer, vb);
 850         struct cx231xx *dev = fh->dev;
 851         int rc = 0, urb_init = 0;
 852
 853         /* The only currently supported format is 16 bits/pixel */
 854         buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth
 855                         + 7) >> 3;
 856         if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
 857                 return -EINVAL;
 858
 859         buf->vb.width = dev->width;
 860         buf->vb.height = dev->height;
 861         buf->vb.field = field;
 862
 863         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 864                 rc = videobuf_iolock(vq, &buf->vb, NULL);
 865                 if (rc < 0)
 866                         goto fail;
 867         }
 868
 869         if (dev->USE_ISO) {
 870                 if (!dev->video_mode.isoc_ctl.num_bufs)
 871                         urb_init = 1;
 872         } else {
 873                 if (!dev->video_mode.bulk_ctl.num_bufs)
 874                         urb_init = 1;
 875         }
 876         /*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n",
 877                 urb_init, dev->video_mode.max_pkt_size);*/
 878         if (urb_init) {
 879                 dev->mode_tv = 0;
 880                 if (dev->USE_ISO)
 881                         rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
 882                                        CX231XX_NUM_BUFS,
 883                                        dev->video_mode.max_pkt_size,
 884                                        cx231xx_isoc_copy);
 885                 else
 886                         rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
 887                                        CX231XX_NUM_BUFS,
 888                                        dev->video_mode.max_pkt_size,
 889                                        cx231xx_bulk_copy);
 890                 if (rc < 0)
 891                         goto fail;
 892         }
 893
 894         buf->vb.state = VIDEOBUF_PREPARED;
 895         return 0;
 896
 897 fail:
 898         free_buffer(vq, buf);
 899         return rc;
 900 }
 901
 902 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 903 {
 904         struct cx231xx_buffer *buf =
 905             container_of(vb, struct cx231xx_buffer, vb);
 906         struct cx231xx_fh *fh = vq->priv_data;
 907         struct cx231xx *dev = fh->dev;
 908         struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
 909
 910         buf->vb.state = VIDEOBUF_QUEUED;
 911         list_add_tail(&buf->vb.queue, &vidq->active);
 912
 913 }
 914
 915 static void buffer_release(struct videobuf_queue *vq,
 916                            struct videobuf_buffer *vb)
 917 {
 918         struct cx231xx_buffer *buf =
 919             container_of(vb, struct cx231xx_buffer, vb);
 920         struct cx231xx_fh *fh = vq->priv_data;
 921         struct cx231xx *dev = (struct cx231xx *)fh->dev;
 922
 923         cx231xx_isocdbg("cx231xx: called buffer_release\n");
 924
 925         free_buffer(vq, buf);
 926 }
 927
 928 static struct videobuf_queue_ops cx231xx_video_qops = {
 929         .buf_setup = buffer_setup,
 930         .buf_prepare = buffer_prepare,
 931         .buf_queue = buffer_queue,
 932         .buf_release = buffer_release,
 933 };
 934
 935 /*********************  v4l2 interface  **************************************/
 936
 937 void video_mux(struct cx231xx *dev, int index)
 938 {
 939         dev->video_input = index;
 940         dev->ctl_ainput = INPUT(index)->amux;
 941
 942         cx231xx_set_video_input_mux(dev, index);
 943
 944         cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0);
 945
 946         cx231xx_set_audio_input(dev, dev->ctl_ainput);
 947
 948         cx231xx_info("video_mux : %d\n", index);
 949
 950         /* do mode control overrides if required */
 951         cx231xx_do_mode_ctrl_overrides(dev);
 952 }
 953
 954 /* Usage lock check functions */
 955 static int res_get(struct cx231xx_fh *fh)
 956 {
 957         struct cx231xx *dev = fh->dev;
 958         int rc = 0;
 959
 960         /* This instance already has stream_on */
 961         if (fh->stream_on)
 962                 return rc;
 963
 964         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 965                 if (dev->stream_on)
 966                         return -EBUSY;
 967                 dev->stream_on = 1;
 968         } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
 969                 if (dev->vbi_stream_on)
 970                         return -EBUSY;
 971                 dev->vbi_stream_on = 1;
 972         } else
 973                 return -EINVAL;
 974
 975         fh->stream_on = 1;
 976
 977         return rc;
 978 }
 979
 980 static int res_check(struct cx231xx_fh *fh)
 981 {
 982         return fh->stream_on;
 983 }
 984
 985 static void res_free(struct cx231xx_fh *fh)
 986 {
 987         struct cx231xx *dev = fh->dev;
 988
 989         fh->stream_on = 0;
 990
 991         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
 992                 dev->stream_on = 0;
 993         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
 994                 dev->vbi_stream_on = 0;
 995 }
 996
 997 static int check_dev(struct cx231xx *dev)
 998 {
 999         if (dev->state & DEV_DISCONNECTED) {
1000                 cx231xx_errdev("v4l2 ioctl: device not present\n");
1001                 return -ENODEV;
1002         }
1003
1004         if (dev->state & DEV_MISCONFIGURED) {
1005                 cx231xx_errdev("v4l2 ioctl: device is misconfigured; "
1006                                "close and open it again\n");
1007                 return -EIO;
1008         }
1009         return 0;
1010 }
1011
1012 static void get_scale(struct cx231xx *dev,
1013                       unsigned int width, unsigned int height,
1014                       unsigned int *hscale, unsigned int *vscale)
1015 {
1016         unsigned int maxw = norm_maxw(dev);
1017         unsigned int maxh = norm_maxh(dev);
1018
1019         *hscale = (((unsigned long)maxw) << 12) / width - 4096L;
1020         if (*hscale >= 0x4000)
1021                 *hscale = 0x3fff;
1022
1023         *vscale = (((unsigned long)maxh) << 12) / height - 4096L;
1024         if (*vscale >= 0x4000)
1025                 *vscale = 0x3fff;
1026 }
1027
1028 /* ------------------------------------------------------------------
1029         IOCTL vidioc handling
1030    ------------------------------------------------------------------*/
1031
1032 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1033                                 struct v4l2_format *f)
1034 {
1035         struct cx231xx_fh *fh = priv;
1036         struct cx231xx *dev = fh->dev;
1037
1038         mutex_lock(&dev->lock);
1039
1040         f->fmt.pix.width = dev->width;
1041         f->fmt.pix.height = dev->height;
1042         f->fmt.pix.pixelformat = dev->format->fourcc;
1043         f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
1044         f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
1045         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1046
1047         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1048
1049         mutex_unlock(&dev->lock);
1050
1051         return 0;
1052 }
1053
1054 static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
1055 {
1056         unsigned int i;
1057
1058         for (i = 0; i < ARRAY_SIZE(format); i++)
1059                 if (format[i].fourcc == fourcc)
1060                         return &format[i];
1061
1062         return NULL;
1063 }
1064
1065 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1066                                   struct v4l2_format *f)
1067 {
1068         struct cx231xx_fh *fh = priv;
1069         struct cx231xx *dev = fh->dev;
1070         unsigned int width = f->fmt.pix.width;
1071         unsigned int height = f->fmt.pix.height;
1072         unsigned int maxw = norm_maxw(dev);
1073         unsigned int maxh = norm_maxh(dev);
1074         unsigned int hscale, vscale;
1075         struct cx231xx_fmt *fmt;
1076
1077         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1078         if (!fmt) {
1079                 cx231xx_videodbg("Fourcc format (%08x) invalid.\n",
1080                                  f->fmt.pix.pixelformat);
1081                 return -EINVAL;
1082         }
1083
1084         /* width must even because of the YUYV format
1085            height must be even because of interlacing */
1086         v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
1087
1088         get_scale(dev, width, height, &hscale, &vscale);
1089
1090         width = (((unsigned long)maxw) << 12) / (hscale + 4096L);
1091         height = (((unsigned long)maxh) << 12) / (vscale + 4096L);
1092
1093         f->fmt.pix.width = width;
1094         f->fmt.pix.height = height;
1095         f->fmt.pix.pixelformat = fmt->fourcc;
1096         f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
1097         f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
1098         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1099         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1100
1101         return 0;
1102 }
1103
1104 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1105                                 struct v4l2_format *f)
1106 {
1107         struct cx231xx_fh *fh = priv;
1108         struct cx231xx *dev = fh->dev;
1109         int rc;
1110         struct cx231xx_fmt *fmt;
1111         struct v4l2_mbus_framefmt mbus_fmt;
1112
1113         rc = check_dev(dev);
1114         if (rc < 0)
1115                 return rc;
1116
1117         mutex_lock(&dev->lock);
1118
1119         vidioc_try_fmt_vid_cap(file, priv, f);
1120
1121         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1122         if (!fmt) {
1123                 rc = -EINVAL;
1124                 goto out;
1125         }
1126
1127         if (videobuf_queue_is_busy(&fh->vb_vidq)) {
1128                 cx231xx_errdev("%s queue busy\n", __func__);
1129                 rc = -EBUSY;
1130                 goto out;
1131         }
1132
1133         if (dev->stream_on && !fh->stream_on) {
1134                 cx231xx_errdev("%s device in use by another fh\n", __func__);
1135                 rc = -EBUSY;
1136                 goto out;
1137         }
1138
1139         /* set new image size */
1140         dev->width = f->fmt.pix.width;
1141         dev->height = f->fmt.pix.height;
1142         dev->format = fmt;
1143         get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
1144
1145         v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1146         call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1147         v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
1148
1149         /* Set the correct alternate setting for this resolution */
1150         cx231xx_resolution_set(dev);
1151
1152 out:
1153         mutex_unlock(&dev->lock);
1154         return rc;
1155 }
1156
1157 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1158 {
1159         struct cx231xx_fh *fh = priv;
1160         struct cx231xx *dev = fh->dev;
1161
1162         *id = dev->norm;
1163         return 0;
1164 }
1165
1166 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
1167 {
1168         struct cx231xx_fh *fh = priv;
1169         struct cx231xx *dev = fh->dev;
1170         struct v4l2_format f;
1171         int rc;
1172
1173         rc = check_dev(dev);
1174         if (rc < 0)
1175                 return rc;
1176
1177         cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm);
1178
1179         mutex_lock(&dev->lock);
1180         dev->norm = *norm;
1181
1182         /* Adjusts width/height, if needed */
1183         f.fmt.pix.width = dev->width;
1184         f.fmt.pix.height = dev->height;
1185         vidioc_try_fmt_vid_cap(file, priv, &f);
1186
1187         /* set new image size */
1188         dev->width = f.fmt.pix.width;
1189         dev->height = f.fmt.pix.height;
1190         get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
1191
1192         call_all(dev, core, s_std, dev->norm);
1193
1194         mutex_unlock(&dev->lock);
1195
1196         cx231xx_resolution_set(dev);
1197
1198         /* do mode control overrides */
1199         cx231xx_do_mode_ctrl_overrides(dev);
1200
1201         return 0;
1202 }
1203
1204 static const char *iname[] = {
1205         [CX231XX_VMUX_COMPOSITE1] = "Composite1",
1206         [CX231XX_VMUX_SVIDEO]     = "S-Video",
1207         [CX231XX_VMUX_TELEVISION] = "Television",
1208         [CX231XX_VMUX_CABLE]      = "Cable TV",
1209         [CX231XX_VMUX_DVB]        = "DVB",
1210         [CX231XX_VMUX_DEBUG]      = "for debug only",
1211 };
1212
1213 static int vidioc_enum_input(struct file *file, void *priv,
1214                              struct v4l2_input *i)
1215 {
1216         struct cx231xx_fh *fh = priv;
1217         struct cx231xx *dev = fh->dev;
1218         unsigned int n;
1219
1220         n = i->index;
1221         if (n >= MAX_CX231XX_INPUT)
1222                 return -EINVAL;
1223         if (0 == INPUT(n)->type)
1224                 return -EINVAL;
1225
1226         i->index = n;
1227         i->type = V4L2_INPUT_TYPE_CAMERA;
1228
1229         strcpy(i->name, iname[INPUT(n)->type]);
1230
1231         if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
1232             (CX231XX_VMUX_CABLE == INPUT(n)->type))
1233                 i->type = V4L2_INPUT_TYPE_TUNER;
1234
1235         i->std = dev->vdev->tvnorms;
1236
1237         return 0;
1238 }
1239
1240 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1241 {
1242         struct cx231xx_fh *fh = priv;
1243         struct cx231xx *dev = fh->dev;
1244
1245         *i = dev->video_input;
1246
1247         return 0;
1248 }
1249
1250 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1251 {
1252         struct cx231xx_fh *fh = priv;
1253         struct cx231xx *dev = fh->dev;
1254         int rc;
1255
1256         if (i == 10) {
1257                 dev->USE_ISO = 0;
1258                 cx231xx_info("trans-mode=BULK. USE_ISO = %d\n", dev->USE_ISO);
1259                 return 0;
1260         }
1261
1262         if (i == 11) {
1263                 dev->USE_ISO = 1;
1264                 cx231xx_info("trans-mode=ISOC. USE_ISO = %d\n", dev->USE_ISO);
1265                 return 0;
1266         }
1267
1268         dev->mode_tv = 0;
1269         rc = check_dev(dev);
1270         if (rc < 0)
1271                 return rc;
1272
1273         if (i >= MAX_CX231XX_INPUT)
1274                 return -EINVAL;
1275         if (0 == INPUT(i)->type)
1276                 return -EINVAL;
1277
1278         mutex_lock(&dev->lock);
1279
1280         video_mux(dev, i);
1281
1282         mutex_unlock(&dev->lock);
1283         return 0;
1284 }
1285
1286 static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
1287 {
1288         struct cx231xx_fh *fh = priv;
1289         struct cx231xx *dev = fh->dev;
1290
1291         switch (a->index) {
1292         case CX231XX_AMUX_VIDEO:
1293                 strcpy(a->name, "Television");
1294                 break;
1295         case CX231XX_AMUX_LINE_IN:
1296                 strcpy(a->name, "Line In");
1297                 break;
1298         default:
1299                 return -EINVAL;
1300         }
1301
1302         a->index = dev->ctl_ainput;
1303         a->capability = V4L2_AUDCAP_STEREO;
1304
1305         return 0;
1306 }
1307
1308 static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
1309 {
1310         struct cx231xx_fh *fh = priv;
1311         struct cx231xx *dev = fh->dev;
1312         int status = 0;
1313
1314         /* Doesn't allow manual routing */
1315         if (a->index != dev->ctl_ainput)
1316                 return -EINVAL;
1317
1318         dev->ctl_ainput = INPUT(a->index)->amux;
1319         status = cx231xx_set_audio_input(dev, dev->ctl_ainput);
1320
1321         return status;
1322 }
1323
1324 static int vidioc_queryctrl(struct file *file, void *priv,
1325                             struct v4l2_queryctrl *qc)
1326 {
1327         struct cx231xx_fh *fh = priv;
1328         struct cx231xx *dev = fh->dev;
1329         int id = qc->id;
1330         int i;
1331         int rc;
1332
1333         rc = check_dev(dev);
1334         if (rc < 0)
1335                 return rc;
1336
1337         qc->id = v4l2_ctrl_next(ctrl_classes, qc->id);
1338         if (unlikely(qc->id == 0))
1339                 return -EINVAL;
1340
1341         memset(qc, 0, sizeof(*qc));
1342
1343         qc->id = id;
1344
1345         if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1)
1346                 return -EINVAL;
1347
1348         for (i = 0; i < CX231XX_CTLS; i++)
1349                 if (cx231xx_ctls[i].v.id == qc->id)
1350                         break;
1351
1352         if (i == CX231XX_CTLS) {
1353                 *qc = no_ctl;
1354                 return 0;
1355         }
1356         *qc = cx231xx_ctls[i].v;
1357
1358         mutex_lock(&dev->lock);
1359         call_all(dev, core, queryctrl, qc);
1360         mutex_unlock(&dev->lock);
1361
1362         if (qc->type)
1363                 return 0;
1364         else
1365                 return -EINVAL;
1366 }
1367
1368 static int vidioc_g_ctrl(struct file *file, void *priv,
1369                          struct v4l2_control *ctrl)
1370 {
1371         struct cx231xx_fh *fh = priv;
1372         struct cx231xx *dev = fh->dev;
1373         int rc;
1374
1375         rc = check_dev(dev);
1376         if (rc < 0)
1377                 return rc;
1378
1379         mutex_lock(&dev->lock);
1380         call_all(dev, core, g_ctrl, ctrl);
1381         mutex_unlock(&dev->lock);
1382         return rc;
1383 }
1384
1385 static int vidioc_s_ctrl(struct file *file, void *priv,
1386                          struct v4l2_control *ctrl)
1387 {
1388         struct cx231xx_fh *fh = priv;
1389         struct cx231xx *dev = fh->dev;
1390         int rc;
1391
1392         rc = check_dev(dev);
1393         if (rc < 0)
1394                 return rc;
1395
1396         mutex_lock(&dev->lock);
1397         call_all(dev, core, s_ctrl, ctrl);
1398         mutex_unlock(&dev->lock);
1399         return rc;
1400 }
1401
1402 static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1403 {
1404         struct cx231xx_fh *fh = priv;
1405         struct cx231xx *dev = fh->dev;
1406         int rc;
1407
1408         rc = check_dev(dev);
1409         if (rc < 0)
1410                 return rc;
1411
1412         if (0 != t->index)
1413                 return -EINVAL;
1414
1415         strcpy(t->name, "Tuner");
1416
1417         t->type = V4L2_TUNER_ANALOG_TV;
1418         t->capability = V4L2_TUNER_CAP_NORM;
1419         t->rangehigh = 0xffffffffUL;
1420         t->signal = 0xffff;     /* LOCKED */
1421
1422         return 0;
1423 }
1424
1425 static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1426 {
1427         struct cx231xx_fh *fh = priv;
1428         struct cx231xx *dev = fh->dev;
1429         int rc;
1430
1431         rc = check_dev(dev);
1432         if (rc < 0)
1433                 return rc;
1434
1435         if (0 != t->index)
1436                 return -EINVAL;
1437 #if 0
1438         mutex_lock(&dev->lock);
1439         call_all(dev, tuner, s_tuner, t);
1440         mutex_unlock(&dev->lock);
1441 #endif
1442         return 0;
1443 }
1444
1445 static int vidioc_g_frequency(struct file *file, void *priv,
1446                               struct v4l2_frequency *f)
1447 {
1448         struct cx231xx_fh *fh = priv;
1449         struct cx231xx *dev = fh->dev;
1450
1451         mutex_lock(&dev->lock);
1452         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1453         f->frequency = dev->ctl_freq;
1454
1455         call_all(dev, tuner, g_frequency, f);
1456
1457         mutex_unlock(&dev->lock);
1458
1459         return 0;
1460 }
1461
1462 static int vidioc_s_frequency(struct file *file, void *priv,
1463                               struct v4l2_frequency *f)
1464 {
1465         struct cx231xx_fh *fh = priv;
1466         struct cx231xx *dev = fh->dev;
1467         int rc;
1468         u32 if_frequency = 5400000;
1469
1470         cx231xx_info("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
1471                  f->frequency, f->type);
1472         /*cx231xx_info("f->type:  1-radio 2-analogTV 3-digitalTV\n");*/
1473
1474         rc = check_dev(dev);
1475         if (rc < 0)
1476                 return rc;
1477
1478         if (0 != f->tuner)
1479                 return -EINVAL;
1480
1481         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1482                 return -EINVAL;
1483         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1484                 return -EINVAL;
1485
1486         /* set pre channel change settings in DIF first */
1487         rc = cx231xx_tuner_pre_channel_change(dev);
1488
1489         mutex_lock(&dev->lock);
1490
1491         dev->ctl_freq = f->frequency;
1492         call_all(dev, tuner, s_frequency, f);
1493
1494         mutex_unlock(&dev->lock);
1495
1496         /* set post channel change settings in DIF first */
1497         rc = cx231xx_tuner_post_channel_change(dev);
1498
1499         if (dev->tuner_type == TUNER_NXP_TDA18271) {
1500                 if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443))
1501                         if_frequency = 5400000;  /*5.4MHz       */
1502                 else if (dev->norm & V4L2_STD_B)
1503                         if_frequency = 6000000;  /*6.0MHz       */
1504                 else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK))
1505                         if_frequency = 6900000;  /*6.9MHz       */
1506                 else if (dev->norm & V4L2_STD_GH)
1507                         if_frequency = 7100000;  /*7.1MHz       */
1508                 else if (dev->norm & V4L2_STD_PAL_I)
1509                         if_frequency = 7250000;  /*7.25MHz      */
1510                 else if (dev->norm & V4L2_STD_SECAM_L)
1511                         if_frequency = 6900000;  /*6.9MHz       */
1512                 else if (dev->norm & V4L2_STD_SECAM_LC)
1513                         if_frequency = 1250000;  /*1.25MHz      */
1514
1515                 cx231xx_info("if_frequency is set to %d\n", if_frequency);
1516                 cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1);
1517
1518                 update_HH_register_after_set_DIF(dev);
1519         }
1520
1521         cx231xx_info("Set New FREQUENCY to %d\n", f->frequency);
1522
1523         return rc;
1524 }
1525
1526 #ifdef CONFIG_VIDEO_ADV_DEBUG
1527
1528 /*
1529   -R, --list-registers=type=<host/i2cdrv/i2caddr>,
1530                                 chip=<chip>[,min=<addr>,max=<addr>]
1531                      dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER]
1532   -r, --set-register=type=<host/i2cdrv/i2caddr>,
1533                                 chip=<chip>,reg=<addr>,val=<val>
1534                      set the register [VIDIOC_DBG_S_REGISTER]
1535
1536   if type == host, then <chip> is the hosts chip ID (default 0)
1537   if type == i2cdrv (default), then <chip> is the I2C driver name or ID
1538   if type == i2caddr, then <chip> is the 7-bit I2C address
1539 */
1540
1541 static int vidioc_g_register(struct file *file, void *priv,
1542                              struct v4l2_dbg_register *reg)
1543 {
1544         struct cx231xx_fh *fh = priv;
1545         struct cx231xx *dev = fh->dev;
1546         int ret = 0;
1547         u8 value[4] = { 0, 0, 0, 0 };
1548         u32 data = 0;
1549
1550         switch (reg->match.type) {
1551         case V4L2_CHIP_MATCH_HOST:
1552                 switch (reg->match.addr) {
1553                 case 0: /* Cx231xx - internal registers */
1554                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1555                                                   (u16)reg->reg, value, 4);
1556                         reg->val = value[0] | value[1] << 8 |
1557                                    value[2] << 16 | value[3] << 24;
1558                         break;
1559                 case 1: /* AFE - read byte */
1560                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1561                                                   (u16)reg->reg, 2, &data, 1);
1562                         reg->val = le32_to_cpu(data & 0xff);
1563                         break;
1564                 case 14: /* AFE - read dword */
1565                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1566                                                   (u16)reg->reg, 2, &data, 4);
1567                         reg->val = le32_to_cpu(data);
1568                         break;
1569                 case 2: /* Video Block - read byte */
1570                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1571                                                   (u16)reg->reg, 2, &data, 1);
1572                         reg->val = le32_to_cpu(data & 0xff);
1573                         break;
1574                 case 24: /* Video Block - read dword */
1575                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1576                                                   (u16)reg->reg, 2, &data, 4);
1577                         reg->val = le32_to_cpu(data);
1578                         break;
1579                 case 3: /* I2S block - read byte */
1580                         ret = cx231xx_read_i2c_data(dev,
1581                                                     I2S_BLK_DEVICE_ADDRESS,
1582                                                     (u16)reg->reg, 1,
1583                                                     &data, 1);
1584                         reg->val = le32_to_cpu(data & 0xff);
1585                         break;
1586                 case 34: /* I2S Block - read dword */
1587                         ret =
1588                             cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1589                                                   (u16)reg->reg, 1, &data, 4);
1590                         reg->val = le32_to_cpu(data);
1591                         break;
1592                 }
1593                 return ret < 0 ? ret : 0;
1594
1595         case V4L2_CHIP_MATCH_I2C_DRIVER:
1596                 call_all(dev, core, g_register, reg);
1597                 return 0;
1598         case V4L2_CHIP_MATCH_I2C_ADDR:/*for register debug*/
1599                 switch (reg->match.addr) {
1600                 case 0: /* Cx231xx - internal registers */
1601                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1602                                                   (u16)reg->reg, value, 4);
1603                         reg->val = value[0] | value[1] << 8 |
1604                                    value[2] << 16 | value[3] << 24;
1605
1606                         break;
1607                 case 0x600:/* AFE - read byte */
1608                         ret = cx231xx_read_i2c_master(dev, AFE_DEVICE_ADDRESS,
1609                                                  (u16)reg->reg, 2,
1610                                                  &data, 1 , 0);
1611                         reg->val = le32_to_cpu(data & 0xff);
1612                         break;
1613
1614                 case 0x880:/* Video Block - read byte */
1615                         if (reg->reg < 0x0b) {
1616                                 ret = cx231xx_read_i2c_master(dev,
1617                                                 VID_BLK_I2C_ADDRESS,
1618                                                  (u16)reg->reg, 2,
1619                                                  &data, 1 , 0);
1620                                 reg->val = le32_to_cpu(data & 0xff);
1621                         } else {
1622                                 ret = cx231xx_read_i2c_master(dev,
1623                                                 VID_BLK_I2C_ADDRESS,
1624                                                  (u16)reg->reg, 2,
1625                                                  &data, 4 , 0);
1626                                 reg->val = le32_to_cpu(data);
1627                         }
1628                         break;
1629                 case 0x980:
1630                         ret = cx231xx_read_i2c_master(dev,
1631                                                 I2S_BLK_DEVICE_ADDRESS,
1632                                                 (u16)reg->reg, 1,
1633                                                 &data, 1 , 0);
1634                         reg->val = le32_to_cpu(data & 0xff);
1635                         break;
1636                 case 0x400:
1637                         ret =
1638                             cx231xx_read_i2c_master(dev, 0x40,
1639                                                   (u16)reg->reg, 1,
1640                                                  &data, 1 , 0);
1641                         reg->val = le32_to_cpu(data & 0xff);
1642                         break;
1643                 case 0xc01:
1644                         ret =
1645                                 cx231xx_read_i2c_master(dev, 0xc0,
1646                                                 (u16)reg->reg, 2,
1647                                                  &data, 38, 1);
1648                         reg->val = le32_to_cpu(data);
1649                         break;
1650                 case 0x022:
1651                         ret =
1652                                 cx231xx_read_i2c_master(dev, 0x02,
1653                                                 (u16)reg->reg, 1,
1654                                                  &data, 1, 2);
1655                         reg->val = le32_to_cpu(data & 0xff);
1656                         break;
1657                 case 0x322:
1658                         ret = cx231xx_read_i2c_master(dev,
1659                                                 0x32,
1660                                                  (u16)reg->reg, 1,
1661                                                  &data, 4 , 2);
1662                                 reg->val = le32_to_cpu(data);
1663                         break;
1664                 case 0x342:
1665                         ret = cx231xx_read_i2c_master(dev,
1666                                                 0x34,
1667                                                  (u16)reg->reg, 1,
1668                                                  &data, 4 , 2);
1669                                 reg->val = le32_to_cpu(data);
1670                         break;
1671
1672                 default:
1673                         cx231xx_info("no match device address!!\n");
1674                         break;
1675                         }
1676                 return ret < 0 ? ret : 0;
1677                 /*return -EINVAL;*/
1678         default:
1679                 if (!v4l2_chip_match_host(&reg->match))
1680                         return -EINVAL;
1681         }
1682
1683         mutex_lock(&dev->lock);
1684         call_all(dev, core, g_register, reg);
1685         mutex_unlock(&dev->lock);
1686
1687         return ret;
1688 }
1689
1690 static int vidioc_s_register(struct file *file, void *priv,
1691                              struct v4l2_dbg_register *reg)
1692 {
1693         struct cx231xx_fh *fh = priv;
1694         struct cx231xx *dev = fh->dev;
1695         int ret = 0;
1696         __le64 buf;
1697         u32 value;
1698         u8 data[4] = { 0, 0, 0, 0 };
1699
1700         buf = cpu_to_le64(reg->val);
1701
1702         switch (reg->match.type) {
1703         case V4L2_CHIP_MATCH_HOST:
1704                 {
1705                         value = (u32) buf & 0xffffffff;
1706
1707                         switch (reg->match.addr) {
1708                         case 0: /* cx231xx internal registers */
1709                                 data[0] = (u8) value;
1710                                 data[1] = (u8) (value >> 8);
1711                                 data[2] = (u8) (value >> 16);
1712                                 data[3] = (u8) (value >> 24);
1713                                 ret = cx231xx_write_ctrl_reg(dev,
1714                                                            VRT_SET_REGISTER,
1715                                                            (u16)reg->reg, data,
1716                                                            4);
1717                                 break;
1718                         case 1: /* AFE - read byte */
1719                                 ret = cx231xx_write_i2c_data(dev,
1720                                                         AFE_DEVICE_ADDRESS,
1721                                                         (u16)reg->reg, 2,
1722                                                         value, 1);
1723                                 break;
1724                         case 14: /* AFE - read dword */
1725                                 ret = cx231xx_write_i2c_data(dev,
1726                                                         AFE_DEVICE_ADDRESS,
1727                                                         (u16)reg->reg, 2,
1728                                                         value, 4);
1729                                 break;
1730                         case 2: /* Video Block - read byte */
1731                                 ret =
1732                                     cx231xx_write_i2c_data(dev,
1733                                                         VID_BLK_I2C_ADDRESS,
1734                                                         (u16)reg->reg, 2,
1735                                                         value, 1);
1736                                 break;
1737                         case 24: /* Video Block - read dword */
1738                                 ret =
1739                                     cx231xx_write_i2c_data(dev,
1740                                                         VID_BLK_I2C_ADDRESS,
1741                                                         (u16)reg->reg, 2,
1742                                                         value, 4);
1743                                 break;
1744                         case 3: /* I2S block - read byte */
1745                                 ret =
1746                                     cx231xx_write_i2c_data(dev,
1747                                                         I2S_BLK_DEVICE_ADDRESS,
1748                                                         (u16)reg->reg, 1,
1749                                                         value, 1);
1750                                 break;
1751                         case 34: /* I2S block - read dword */
1752                                 ret =
1753                                     cx231xx_write_i2c_data(dev,
1754                                                         I2S_BLK_DEVICE_ADDRESS,
1755                                                         (u16)reg->reg, 1,
1756                                                         value, 4);
1757                                 break;
1758                         }
1759                 }
1760                 return ret < 0 ? ret : 0;
1761         case V4L2_CHIP_MATCH_I2C_ADDR:
1762                 {
1763                         value = (u32) buf & 0xffffffff;
1764
1765                         switch (reg->match.addr) {
1766                         case 0:/*cx231xx internal registers*/
1767                                         data[0] = (u8) value;
1768                                         data[1] = (u8) (value >> 8);
1769                                         data[2] = (u8) (value >> 16);
1770                                         data[3] = (u8) (value >> 24);
1771                                         ret = cx231xx_write_ctrl_reg(dev,
1772                                                            VRT_SET_REGISTER,
1773                                                            (u16)reg->reg, data,
1774                                                            4);
1775                                         break;
1776                         case 0x600:/* AFE - read byte */
1777                                         ret = cx231xx_write_i2c_master(dev,
1778                                                         AFE_DEVICE_ADDRESS,
1779                                                         (u16)reg->reg, 2,
1780                                                         value, 1 , 0);
1781                                         break;
1782
1783                         case 0x880:/* Video Block - read byte */
1784                                         if (reg->reg < 0x0b)
1785                                                 cx231xx_write_i2c_master(dev,
1786                                                         VID_BLK_I2C_ADDRESS,
1787                                                         (u16)reg->reg, 2,
1788                                                         value, 1, 0);
1789                                         else
1790                                                 cx231xx_write_i2c_master(dev,
1791                                                         VID_BLK_I2C_ADDRESS,
1792                                                         (u16)reg->reg, 2,
1793                                                         value, 4, 0);
1794                                         break;
1795                         case 0x980:
1796                                         ret =
1797                                                 cx231xx_write_i2c_master(dev,
1798                                                         I2S_BLK_DEVICE_ADDRESS,
1799                                                         (u16)reg->reg, 1,
1800                                                         value, 1, 0);
1801                                         break;
1802                         case 0x400:
1803                                         ret =
1804                                                 cx231xx_write_i2c_master(dev,
1805                                                         0x40,
1806                                                         (u16)reg->reg, 1,
1807                                                         value, 1, 0);
1808                                         break;
1809                         case 0xc01:
1810                                         ret =
1811                                                 cx231xx_write_i2c_master(dev,
1812                                                          0xc0,
1813                                                          (u16)reg->reg, 1,
1814                                                          value, 1, 1);
1815                                         break;
1816
1817                         case 0x022:
1818                                         ret =
1819                                                 cx231xx_write_i2c_master(dev,
1820                                                         0x02,
1821                                                         (u16)reg->reg, 1,
1822                                                         value, 1, 2);
1823                         case 0x322:
1824                                         ret =
1825                                                 cx231xx_write_i2c_master(dev,
1826                                                         0x32,
1827                                                         (u16)reg->reg, 1,
1828                                                         value, 4, 2);
1829                                         break;
1830
1831                         case 0x342:
1832                                         ret =
1833                                                 cx231xx_write_i2c_master(dev,
1834                                                         0x34,
1835                                                         (u16)reg->reg, 1,
1836                                                         value, 4, 2);
1837                                         break;
1838                         default:
1839                                 cx231xx_info("no match device address, "
1840                                         "the value is %x\n", reg->match.addr);
1841                                         break;
1842
1843                                         }
1844
1845                 }
1846         default:
1847                 break;
1848         }
1849
1850         mutex_lock(&dev->lock);
1851         call_all(dev, core, s_register, reg);
1852         mutex_unlock(&dev->lock);
1853
1854         return ret;
1855 }
1856 #endif
1857
1858 static int vidioc_cropcap(struct file *file, void *priv,
1859                           struct v4l2_cropcap *cc)
1860 {
1861         struct cx231xx_fh *fh = priv;
1862         struct cx231xx *dev = fh->dev;
1863
1864         if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1865                 return -EINVAL;
1866
1867         cc->bounds.left = 0;
1868         cc->bounds.top = 0;
1869         cc->bounds.width = dev->width;
1870         cc->bounds.height = dev->height;
1871         cc->defrect = cc->bounds;
1872         cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
1873         cc->pixelaspect.denominator = 59;
1874
1875         return 0;
1876 }
1877
1878 static int vidioc_streamon(struct file *file, void *priv,
1879                            enum v4l2_buf_type type)
1880 {
1881         struct cx231xx_fh *fh = priv;
1882         struct cx231xx *dev = fh->dev;
1883         int rc;
1884
1885         rc = check_dev(dev);
1886         if (rc < 0)
1887                 return rc;
1888
1889         mutex_lock(&dev->lock);
1890         rc = res_get(fh);
1891
1892         if (likely(rc >= 0))
1893                 rc = videobuf_streamon(&fh->vb_vidq);
1894
1895         call_all(dev, video, s_stream, 1);
1896
1897         mutex_unlock(&dev->lock);
1898
1899         return rc;
1900 }
1901
1902 static int vidioc_streamoff(struct file *file, void *priv,
1903                             enum v4l2_buf_type type)
1904 {
1905         struct cx231xx_fh *fh = priv;
1906         struct cx231xx *dev = fh->dev;
1907         int rc;
1908
1909         rc = check_dev(dev);
1910         if (rc < 0)
1911                 return rc;
1912
1913         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1914             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1915                 return -EINVAL;
1916         if (type != fh->type)
1917                 return -EINVAL;
1918
1919         mutex_lock(&dev->lock);
1920
1921         cx25840_call(dev, video, s_stream, 0);
1922
1923         videobuf_streamoff(&fh->vb_vidq);
1924         res_free(fh);
1925
1926         mutex_unlock(&dev->lock);
1927
1928         return 0;
1929 }
1930
1931 static int vidioc_querycap(struct file *file, void *priv,
1932                            struct v4l2_capability *cap)
1933 {
1934         struct cx231xx_fh *fh = priv;
1935         struct cx231xx *dev = fh->dev;
1936
1937         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
1938         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
1939         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
1940
1941         cap->version = CX231XX_VERSION_CODE;
1942
1943         cap->capabilities = V4L2_CAP_VBI_CAPTURE |
1944 #if 0
1945                 V4L2_CAP_SLICED_VBI_CAPTURE |
1946 #endif
1947                 V4L2_CAP_VIDEO_CAPTURE  |
1948                 V4L2_CAP_AUDIO          |
1949                 V4L2_CAP_READWRITE      |
1950                 V4L2_CAP_STREAMING;
1951
1952         if (dev->tuner_type != TUNER_ABSENT)
1953                 cap->capabilities |= V4L2_CAP_TUNER;
1954
1955         return 0;
1956 }
1957
1958 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1959                                    struct v4l2_fmtdesc *f)
1960 {
1961         if (unlikely(f->index >= ARRAY_SIZE(format)))
1962                 return -EINVAL;
1963
1964         strlcpy(f->description, format[f->index].name, sizeof(f->description));
1965         f->pixelformat = format[f->index].fourcc;
1966
1967         return 0;
1968 }
1969
1970 /* Sliced VBI ioctls */
1971 static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
1972                                        struct v4l2_format *f)
1973 {
1974         struct cx231xx_fh *fh = priv;
1975         struct cx231xx *dev = fh->dev;
1976         int rc;
1977
1978         rc = check_dev(dev);
1979         if (rc < 0)
1980                 return rc;
1981
1982         mutex_lock(&dev->lock);
1983
1984         f->fmt.sliced.service_set = 0;
1985
1986         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1987
1988         if (f->fmt.sliced.service_set == 0)
1989                 rc = -EINVAL;
1990
1991         mutex_unlock(&dev->lock);
1992         return rc;
1993 }
1994
1995 static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
1996                                          struct v4l2_format *f)
1997 {
1998         struct cx231xx_fh *fh = priv;
1999         struct cx231xx *dev = fh->dev;
2000         int rc;
2001
2002         rc = check_dev(dev);
2003         if (rc < 0)
2004                 return rc;
2005
2006         mutex_lock(&dev->lock);
2007         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
2008         mutex_unlock(&dev->lock);
2009
2010         if (f->fmt.sliced.service_set == 0)
2011                 return -EINVAL;
2012
2013         return 0;
2014 }
2015
2016 /* RAW VBI ioctls */
2017
2018 static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
2019                                 struct v4l2_format *f)
2020 {
2021         struct cx231xx_fh *fh = priv;
2022         struct cx231xx *dev = fh->dev;
2023
2024         f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ?
2025             35468950 : 28636363;
2026         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
2027         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
2028         f->fmt.vbi.offset = 64 * 4;
2029         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
2030             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
2031         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
2032             PAL_VBI_LINES : NTSC_VBI_LINES;
2033         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
2034             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
2035         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
2036
2037         return 0;
2038
2039 }
2040
2041 static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
2042                                   struct v4l2_format *f)
2043 {
2044         struct cx231xx_fh *fh = priv;
2045         struct cx231xx *dev = fh->dev;
2046
2047         if (dev->vbi_stream_on && !fh->stream_on) {
2048                 cx231xx_errdev("%s device in use by another fh\n", __func__);
2049                 return -EBUSY;
2050         }
2051
2052         f->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2053         f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ?
2054             35468950 : 28636363;
2055         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
2056         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
2057         f->fmt.vbi.offset = 244;
2058         f->fmt.vbi.flags = 0;
2059         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
2060             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
2061         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
2062             PAL_VBI_LINES : NTSC_VBI_LINES;
2063         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
2064             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
2065         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
2066
2067         return 0;
2068
2069 }
2070
2071 static int vidioc_reqbufs(struct file *file, void *priv,
2072                           struct v4l2_requestbuffers *rb)
2073 {
2074         struct cx231xx_fh *fh = priv;
2075         struct cx231xx *dev = fh->dev;
2076         int rc;
2077
2078         rc = check_dev(dev);
2079         if (rc < 0)
2080                 return rc;
2081
2082         return videobuf_reqbufs(&fh->vb_vidq, rb);
2083 }
2084
2085 static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
2086 {
2087         struct cx231xx_fh *fh = priv;
2088         struct cx231xx *dev = fh->dev;
2089         int rc;
2090
2091         rc = check_dev(dev);
2092         if (rc < 0)
2093                 return rc;
2094
2095         return videobuf_querybuf(&fh->vb_vidq, b);
2096 }
2097
2098 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2099 {
2100         struct cx231xx_fh *fh = priv;
2101         struct cx231xx *dev = fh->dev;
2102         int rc;
2103
2104         rc = check_dev(dev);
2105         if (rc < 0)
2106                 return rc;
2107
2108         return videobuf_qbuf(&fh->vb_vidq, b);
2109 }
2110
2111 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2112 {
2113         struct cx231xx_fh *fh = priv;
2114         struct cx231xx *dev = fh->dev;
2115         int rc;
2116
2117         rc = check_dev(dev);
2118         if (rc < 0)
2119                 return rc;
2120
2121         return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
2122 }
2123
2124 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2125 static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
2126 {
2127         struct cx231xx_fh *fh = priv;
2128
2129         return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
2130 }
2131 #endif
2132
2133 /* ----------------------------------------------------------- */
2134 /* RADIO ESPECIFIC IOCTLS                                      */
2135 /* ----------------------------------------------------------- */
2136
2137 static int radio_querycap(struct file *file, void *priv,
2138                           struct v4l2_capability *cap)
2139 {
2140         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2141
2142         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
2143         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
2144         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
2145
2146         cap->version = CX231XX_VERSION_CODE;
2147         cap->capabilities = V4L2_CAP_TUNER;
2148         return 0;
2149 }
2150
2151 static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2152 {
2153         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2154
2155         if (unlikely(t->index > 0))
2156                 return -EINVAL;
2157
2158         strcpy(t->name, "Radio");
2159         t->type = V4L2_TUNER_RADIO;
2160
2161         mutex_lock(&dev->lock);
2162         call_all(dev, tuner, s_tuner, t);
2163         mutex_unlock(&dev->lock);
2164
2165         return 0;
2166 }
2167
2168 static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i)
2169 {
2170         if (i->index != 0)
2171                 return -EINVAL;
2172         strcpy(i->name, "Radio");
2173         i->type = V4L2_INPUT_TYPE_TUNER;
2174
2175         return 0;
2176 }
2177
2178 static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2179 {
2180         if (unlikely(a->index))
2181                 return -EINVAL;
2182
2183         strcpy(a->name, "Radio");
2184         return 0;
2185 }
2186
2187 static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2188 {
2189         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2190
2191         if (0 != t->index)
2192                 return -EINVAL;
2193
2194         mutex_lock(&dev->lock);
2195         call_all(dev, tuner, s_tuner, t);
2196         mutex_unlock(&dev->lock);
2197
2198         return 0;
2199 }
2200
2201 static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
2202 {
2203         return 0;
2204 }
2205
2206 static int radio_s_input(struct file *file, void *fh, unsigned int i)
2207 {
2208         return 0;
2209 }
2210
2211 static int radio_queryctrl(struct file *file, void *priv,
2212                            struct v4l2_queryctrl *c)
2213 {
2214         int i;
2215
2216         if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1)
2217                 return -EINVAL;
2218         if (c->id == V4L2_CID_AUDIO_MUTE) {
2219                 for (i = 0; i < CX231XX_CTLS; i++) {
2220                         if (cx231xx_ctls[i].v.id == c->id)
2221                                 break;
2222                 }
2223                 if (i == CX231XX_CTLS)
2224                         return -EINVAL;
2225                 *c = cx231xx_ctls[i].v;
2226         } else
2227                 *c = no_ctl;
2228         return 0;
2229 }
2230
2231 /*
2232  * cx231xx_v4l2_open()
2233  * inits the device and starts isoc transfer
2234  */
2235 static int cx231xx_v4l2_open(struct file *filp)
2236 {
2237         int errCode = 0, radio = 0;
2238         struct video_device *vdev = video_devdata(filp);
2239         struct cx231xx *dev = video_drvdata(filp);
2240         struct cx231xx_fh *fh;
2241         enum v4l2_buf_type fh_type = 0;
2242
2243         switch (vdev->vfl_type) {
2244         case VFL_TYPE_GRABBER:
2245                 fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2246                 break;
2247         case VFL_TYPE_VBI:
2248                 fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
2249                 break;
2250         case VFL_TYPE_RADIO:
2251                 radio = 1;
2252                 break;
2253         }
2254
2255         mutex_lock(&dev->lock);
2256
2257         cx231xx_videodbg("open dev=%s type=%s users=%d\n",
2258                          video_device_node_name(vdev), v4l2_type_names[fh_type],
2259                          dev->users);
2260
2261 #if 0
2262         errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2263         if (errCode < 0) {
2264                 cx231xx_errdev
2265                     ("Device locked on digital mode. Can't open analog\n");
2266                 mutex_unlock(&dev->lock);
2267                 return -EBUSY;
2268         }
2269 #endif
2270
2271         fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
2272         if (!fh) {
2273                 cx231xx_errdev("cx231xx-video.c: Out of memory?!\n");
2274                 mutex_unlock(&dev->lock);
2275                 return -ENOMEM;
2276         }
2277         fh->dev = dev;
2278         fh->radio = radio;
2279         fh->type = fh_type;
2280         filp->private_data = fh;
2281
2282         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
2283                 dev->width = norm_maxw(dev);
2284                 dev->height = norm_maxh(dev);
2285                 dev->hscale = 0;
2286                 dev->vscale = 0;
2287
2288                 /* Power up in Analog TV mode */
2289                 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER)
2290                         cx231xx_set_power_mode(dev,
2291                                  POLARIS_AVMODE_ENXTERNAL_AV);
2292                 else
2293                         cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
2294
2295 #if 0
2296                 cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2297 #endif
2298                 cx231xx_resolution_set(dev);
2299
2300                 /* set video alternate setting */
2301                 cx231xx_set_video_alternate(dev);
2302
2303                 /* Needed, since GPIO might have disabled power of
2304                    some i2c device */
2305                 cx231xx_config_i2c(dev);
2306
2307                 /* device needs to be initialized before isoc transfer */
2308                 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
2309
2310         }
2311         if (fh->radio) {
2312                 cx231xx_videodbg("video_open: setting radio device\n");
2313
2314                 /* cx231xx_start_radio(dev); */
2315
2316                 call_all(dev, tuner, s_radio);
2317         }
2318
2319         dev->users++;
2320
2321         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
2322                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
2323                                             NULL, &dev->video_mode.slock,
2324                                             fh->type, V4L2_FIELD_INTERLACED,
2325                                             sizeof(struct cx231xx_buffer),
2326                                             fh, NULL);
2327         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2328                 /* Set the required alternate setting  VBI interface works in
2329                    Bulk mode only */
2330                 if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER)
2331                         cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2332
2333                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
2334                                             NULL, &dev->vbi_mode.slock,
2335                                             fh->type, V4L2_FIELD_SEQ_TB,
2336                                             sizeof(struct cx231xx_buffer),
2337                                             fh, NULL);
2338         }
2339
2340         mutex_unlock(&dev->lock);
2341
2342         return errCode;
2343 }
2344
2345 /*
2346  * cx231xx_realease_resources()
2347  * unregisters the v4l2,i2c and usb devices
2348  * called when the device gets disconected or at module unload
2349 */
2350 void cx231xx_release_analog_resources(struct cx231xx *dev)
2351 {
2352
2353         /*FIXME: I2C IR should be disconnected */
2354
2355         if (dev->radio_dev) {
2356                 if (video_is_registered(dev->radio_dev))
2357                         video_unregister_device(dev->radio_dev);
2358                 else
2359                         video_device_release(dev->radio_dev);
2360                 dev->radio_dev = NULL;
2361         }
2362         if (dev->vbi_dev) {
2363                 cx231xx_info("V4L2 device %s deregistered\n",
2364                              video_device_node_name(dev->vbi_dev));
2365                 if (video_is_registered(dev->vbi_dev))
2366                         video_unregister_device(dev->vbi_dev);
2367                 else
2368                         video_device_release(dev->vbi_dev);
2369                 dev->vbi_dev = NULL;
2370         }
2371         if (dev->vdev) {
2372                 cx231xx_info("V4L2 device %s deregistered\n",
2373                              video_device_node_name(dev->vdev));
2374
2375                 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER)
2376                         cx231xx_417_unregister(dev);
2377
2378                 if (video_is_registered(dev->vdev))
2379                         video_unregister_device(dev->vdev);
2380                 else
2381                         video_device_release(dev->vdev);
2382                 dev->vdev = NULL;
2383         }
2384 }
2385
2386 /*
2387  * cx231xx_v4l2_close()
2388  * stops streaming and deallocates all resources allocated by the v4l2
2389  * calls and ioctls
2390  */
2391 static int cx231xx_v4l2_close(struct file *filp)
2392 {
2393         struct cx231xx_fh *fh = filp->private_data;
2394         struct cx231xx *dev = fh->dev;
2395
2396         cx231xx_videodbg("users=%d\n", dev->users);
2397
2398         mutex_lock(&dev->lock);
2399         cx231xx_videodbg("users=%d\n", dev->users);
2400         if (res_check(fh))
2401                 res_free(fh);
2402
2403         /*To workaround error number=-71 on EP0 for VideoGrabber,
2404                  need exclude following.*/
2405         if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER)
2406                 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2407                         videobuf_stop(&fh->vb_vidq);
2408                         videobuf_mmap_free(&fh->vb_vidq);
2409
2410                         /* the device is already disconnect,
2411                            free the remaining resources */
2412                         if (dev->state & DEV_DISCONNECTED) {
2413                                 if (atomic_read(&dev->devlist_count) > 0) {
2414                                         cx231xx_release_resources(dev);
2415                                         mutex_unlock(&dev->lock);
2416                                         kfree(dev);
2417                                         dev = NULL;
2418                                         return 0;
2419                                 }
2420                                 mutex_unlock(&dev->lock);
2421                                 return 0;
2422                         }
2423
2424                         /* do this before setting alternate! */
2425                         cx231xx_uninit_vbi_isoc(dev);
2426
2427                         /* set alternate 0 */
2428                         if (!dev->vbi_or_sliced_cc_mode)
2429                                 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2430                         else
2431                                 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
2432
2433                         kfree(fh);
2434                         dev->users--;
2435                         wake_up_interruptible_nr(&dev->open, 1);
2436                         mutex_unlock(&dev->lock);
2437                         return 0;
2438                 }
2439
2440         if (dev->users == 1) {
2441                 videobuf_stop(&fh->vb_vidq);
2442                 videobuf_mmap_free(&fh->vb_vidq);
2443
2444                 /* the device is already disconnect,
2445                    free the remaining resources */
2446                 if (dev->state & DEV_DISCONNECTED) {
2447                         cx231xx_release_resources(dev);
2448                         mutex_unlock(&dev->lock);
2449                         kfree(dev);
2450                         dev = NULL;
2451                         return 0;
2452                 }
2453
2454                 /* Save some power by putting tuner to sleep */
2455                 call_all(dev, core, s_power, 0);
2456
2457                 /* do this before setting alternate! */
2458                 if (dev->USE_ISO)
2459                         cx231xx_uninit_isoc(dev);
2460                 else
2461                         cx231xx_uninit_bulk(dev);
2462                 cx231xx_set_mode(dev, CX231XX_SUSPEND);
2463
2464                 /* set alternate 0 */
2465                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
2466         }
2467         kfree(fh);
2468         dev->users--;
2469         wake_up_interruptible_nr(&dev->open, 1);
2470         mutex_unlock(&dev->lock);
2471         return 0;
2472 }
2473
2474 /*
2475  * cx231xx_v4l2_read()
2476  * will allocate buffers when called for the first time
2477  */
2478 static ssize_t
2479 cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
2480                   loff_t *pos)
2481 {
2482         struct cx231xx_fh *fh = filp->private_data;
2483         struct cx231xx *dev = fh->dev;
2484         int rc;
2485
2486         rc = check_dev(dev);
2487         if (rc < 0)
2488                 return rc;
2489
2490         if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
2491             (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
2492                 mutex_lock(&dev->lock);
2493                 rc = res_get(fh);
2494                 mutex_unlock(&dev->lock);
2495
2496                 if (unlikely(rc < 0))
2497                         return rc;
2498
2499                 return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
2500                                             filp->f_flags & O_NONBLOCK);
2501         }
2502         return 0;
2503 }
2504
2505 /*
2506  * cx231xx_v4l2_poll()
2507  * will allocate buffers when called for the first time
2508  */
2509 static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
2510 {
2511         struct cx231xx_fh *fh = filp->private_data;
2512         struct cx231xx *dev = fh->dev;
2513         int rc;
2514
2515         rc = check_dev(dev);
2516         if (rc < 0)
2517                 return rc;
2518
2519         mutex_lock(&dev->lock);
2520         rc = res_get(fh);
2521         mutex_unlock(&dev->lock);
2522
2523         if (unlikely(rc < 0))
2524                 return POLLERR;
2525
2526         if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
2527             (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type))
2528                 return videobuf_poll_stream(filp, &fh->vb_vidq, wait);
2529         else
2530                 return POLLERR;
2531 }
2532
2533 /*
2534  * cx231xx_v4l2_mmap()
2535  */
2536 static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
2537 {
2538         struct cx231xx_fh *fh = filp->private_data;
2539         struct cx231xx *dev = fh->dev;
2540         int rc;
2541
2542         rc = check_dev(dev);
2543         if (rc < 0)
2544                 return rc;
2545
2546         mutex_lock(&dev->lock);
2547         rc = res_get(fh);
2548         mutex_unlock(&dev->lock);
2549
2550         if (unlikely(rc < 0))
2551                 return rc;
2552
2553         rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
2554
2555         cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
2556                          (unsigned long)vma->vm_start,
2557                          (unsigned long)vma->vm_end -
2558                          (unsigned long)vma->vm_start, rc);
2559
2560         return rc;
2561 }
2562
2563 static const struct v4l2_file_operations cx231xx_v4l_fops = {
2564         .owner   = THIS_MODULE,
2565         .open    = cx231xx_v4l2_open,
2566         .release = cx231xx_v4l2_close,
2567         .read    = cx231xx_v4l2_read,
2568         .poll    = cx231xx_v4l2_poll,
2569         .mmap    = cx231xx_v4l2_mmap,
2570         .ioctl   = video_ioctl2,
2571 };
2572
2573 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2574         .vidioc_querycap               = vidioc_querycap,
2575         .vidioc_enum_fmt_vid_cap       = vidioc_enum_fmt_vid_cap,
2576         .vidioc_g_fmt_vid_cap          = vidioc_g_fmt_vid_cap,
2577         .vidioc_try_fmt_vid_cap        = vidioc_try_fmt_vid_cap,
2578         .vidioc_s_fmt_vid_cap          = vidioc_s_fmt_vid_cap,
2579         .vidioc_g_fmt_vbi_cap          = vidioc_g_fmt_vbi_cap,
2580         .vidioc_try_fmt_vbi_cap        = vidioc_try_fmt_vbi_cap,
2581         .vidioc_s_fmt_vbi_cap          = vidioc_try_fmt_vbi_cap,
2582         .vidioc_g_audio                =  vidioc_g_audio,
2583         .vidioc_s_audio                = vidioc_s_audio,
2584         .vidioc_cropcap                = vidioc_cropcap,
2585         .vidioc_g_fmt_sliced_vbi_cap   = vidioc_g_fmt_sliced_vbi_cap,
2586         .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
2587         .vidioc_reqbufs                = vidioc_reqbufs,
2588         .vidioc_querybuf               = vidioc_querybuf,
2589         .vidioc_qbuf                   = vidioc_qbuf,
2590         .vidioc_dqbuf                  = vidioc_dqbuf,
2591         .vidioc_s_std                  = vidioc_s_std,
2592         .vidioc_g_std                  = vidioc_g_std,
2593         .vidioc_enum_input             = vidioc_enum_input,
2594         .vidioc_g_input                = vidioc_g_input,
2595         .vidioc_s_input                = vidioc_s_input,
2596         .vidioc_queryctrl              = vidioc_queryctrl,
2597         .vidioc_g_ctrl                 = vidioc_g_ctrl,
2598         .vidioc_s_ctrl                 = vidioc_s_ctrl,
2599         .vidioc_streamon               = vidioc_streamon,
2600         .vidioc_streamoff              = vidioc_streamoff,
2601         .vidioc_g_tuner                = vidioc_g_tuner,
2602         .vidioc_s_tuner                = vidioc_s_tuner,
2603         .vidioc_g_frequency            = vidioc_g_frequency,
2604         .vidioc_s_frequency            = vidioc_s_frequency,
2605 #ifdef CONFIG_VIDEO_ADV_DEBUG
2606         .vidioc_g_register             = vidioc_g_register,
2607         .vidioc_s_register             = vidioc_s_register,
2608 #endif
2609 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2610         .vidiocgmbuf                   = vidiocgmbuf,
2611 #endif
2612 };
2613
2614 static struct video_device cx231xx_vbi_template;
2615
2616 static const struct video_device cx231xx_video_template = {
2617         .fops         = &cx231xx_v4l_fops,
2618         .release      = video_device_release,
2619         .ioctl_ops    = &video_ioctl_ops,
2620         .tvnorms      = V4L2_STD_ALL,
2621         .current_norm = V4L2_STD_PAL,
2622 };
2623
2624 static const struct v4l2_file_operations radio_fops = {
2625         .owner   = THIS_MODULE,
2626         .open   = cx231xx_v4l2_open,
2627         .release = cx231xx_v4l2_close,
2628         .ioctl   = video_ioctl2,
2629 };
2630
2631 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2632         .vidioc_querycap    = radio_querycap,
2633         .vidioc_g_tuner     = radio_g_tuner,
2634         .vidioc_enum_input  = radio_enum_input,
2635         .vidioc_g_audio     = radio_g_audio,
2636         .vidioc_s_tuner     = radio_s_tuner,
2637         .vidioc_s_audio     = radio_s_audio,
2638         .vidioc_s_input     = radio_s_input,
2639         .vidioc_queryctrl   = radio_queryctrl,
2640         .vidioc_g_ctrl      = vidioc_g_ctrl,
2641         .vidioc_s_ctrl      = vidioc_s_ctrl,
2642         .vidioc_g_frequency = vidioc_g_frequency,
2643         .vidioc_s_frequency = vidioc_s_frequency,
2644 #ifdef CONFIG_VIDEO_ADV_DEBUG
2645         .vidioc_g_register  = vidioc_g_register,
2646         .vidioc_s_register  = vidioc_s_register,
2647 #endif
2648 };
2649
2650 static struct video_device cx231xx_radio_template = {
2651         .name      = "cx231xx-radio",
2652         .fops      = &radio_fops,
2653         .ioctl_ops = &radio_ioctl_ops,
2654 };
2655
2656 /******************************** usb interface ******************************/
2657
2658 static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
2659                 const struct video_device
2660                 *template, const char *type_name)
2661 {
2662         struct video_device *vfd;
2663
2664         vfd = video_device_alloc();
2665         if (NULL == vfd)
2666                 return NULL;
2667
2668         *vfd = *template;
2669         vfd->v4l2_dev = &dev->v4l2_dev;
2670         vfd->release = video_device_release;
2671         vfd->debug = video_debug;
2672
2673         snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
2674
2675         video_set_drvdata(vfd, dev);
2676         return vfd;
2677 }
2678
2679 int cx231xx_register_analog_devices(struct cx231xx *dev)
2680 {
2681         int ret;
2682
2683         cx231xx_info("%s: v4l2 driver version %d.%d.%d\n",
2684                      dev->name,
2685                      (CX231XX_VERSION_CODE >> 16) & 0xff,
2686                      (CX231XX_VERSION_CODE >> 8) & 0xff,
2687                      CX231XX_VERSION_CODE & 0xff);
2688
2689         /* set default norm */
2690         /*dev->norm = cx231xx_video_template.current_norm; */
2691         dev->width = norm_maxw(dev);
2692         dev->height = norm_maxh(dev);
2693         dev->interlaced = 0;
2694         dev->hscale = 0;
2695         dev->vscale = 0;
2696
2697         /* Analog specific initialization */
2698         dev->format = &format[0];
2699         /* video_mux(dev, dev->video_input); */
2700
2701         /* Audio defaults */
2702         dev->mute = 1;
2703         dev->volume = 0x1f;
2704
2705         /* enable vbi capturing */
2706         /* write code here...  */
2707
2708         /* allocate and fill video video_device struct */
2709         dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video");
2710         if (!dev->vdev) {
2711                 cx231xx_errdev("cannot allocate video_device.\n");
2712                 return -ENODEV;
2713         }
2714
2715         /* register v4l2 video video_device */
2716         ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
2717                                     video_nr[dev->devno]);
2718         if (ret) {
2719                 cx231xx_errdev("unable to register video device (error=%i).\n",
2720                                ret);
2721                 return ret;
2722         }
2723
2724         cx231xx_info("%s/0: registered device %s [v4l2]\n",
2725                      dev->name, video_device_node_name(dev->vdev));
2726
2727         /* Initialize VBI template */
2728         memcpy(&cx231xx_vbi_template, &cx231xx_video_template,
2729                sizeof(cx231xx_vbi_template));
2730         strcpy(cx231xx_vbi_template.name, "cx231xx-vbi");
2731
2732         /* Allocate and fill vbi video_device struct */
2733         dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi");
2734
2735         /* register v4l2 vbi video_device */
2736         ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
2737                                     vbi_nr[dev->devno]);
2738         if (ret < 0) {
2739                 cx231xx_errdev("unable to register vbi device\n");
2740                 return ret;
2741         }
2742
2743         cx231xx_info("%s/0: registered device %s\n",
2744                      dev->name, video_device_node_name(dev->vbi_dev));
2745
2746         if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
2747                 dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template,
2748                                                    "radio");
2749                 if (!dev->radio_dev) {
2750                         cx231xx_errdev("cannot allocate video_device.\n");
2751                         return -ENODEV;
2752                 }
2753                 ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
2754                                             radio_nr[dev->devno]);
2755                 if (ret < 0) {
2756                         cx231xx_errdev("can't register radio device\n");
2757                         return ret;
2758                 }
2759                 cx231xx_info("Registered radio device as %s\n",
2760                              video_device_node_name(dev->radio_dev));
2761         }
2762
2763         cx231xx_info("V4L2 device registered as %s and %s\n",
2764                      video_device_node_name(dev->vdev),
2765                      video_device_node_name(dev->vbi_dev));
2766
2767         return 0;
2768 }