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 /* ------------------------------------------------------------------
1013         IOCTL vidioc handling
1014    ------------------------------------------------------------------*/
1015
1016 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1017                                 struct v4l2_format *f)
1018 {
1019         struct cx231xx_fh *fh = priv;
1020         struct cx231xx *dev = fh->dev;
1021
1022         f->fmt.pix.width = dev->width;
1023         f->fmt.pix.height = dev->height;
1024         f->fmt.pix.pixelformat = dev->format->fourcc;
1025         f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
1026         f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
1027         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1028
1029         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1030
1031         return 0;
1032 }
1033
1034 static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
1035 {
1036         unsigned int i;
1037
1038         for (i = 0; i < ARRAY_SIZE(format); i++)
1039                 if (format[i].fourcc == fourcc)
1040                         return &format[i];
1041
1042         return NULL;
1043 }
1044
1045 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1046                                   struct v4l2_format *f)
1047 {
1048         struct cx231xx_fh *fh = priv;
1049         struct cx231xx *dev = fh->dev;
1050         unsigned int width = f->fmt.pix.width;
1051         unsigned int height = f->fmt.pix.height;
1052         unsigned int maxw = norm_maxw(dev);
1053         unsigned int maxh = norm_maxh(dev);
1054         struct cx231xx_fmt *fmt;
1055
1056         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1057         if (!fmt) {
1058                 cx231xx_videodbg("Fourcc format (%08x) invalid.\n",
1059                                  f->fmt.pix.pixelformat);
1060                 return -EINVAL;
1061         }
1062
1063         /* width must even because of the YUYV format
1064            height must be even because of interlacing */
1065         v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
1066
1067         f->fmt.pix.width = width;
1068         f->fmt.pix.height = height;
1069         f->fmt.pix.pixelformat = fmt->fourcc;
1070         f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
1071         f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
1072         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1073         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1074
1075         return 0;
1076 }
1077
1078 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1079                                 struct v4l2_format *f)
1080 {
1081         struct cx231xx_fh *fh = priv;
1082         struct cx231xx *dev = fh->dev;
1083         int rc;
1084         struct cx231xx_fmt *fmt;
1085         struct v4l2_mbus_framefmt mbus_fmt;
1086
1087         rc = check_dev(dev);
1088         if (rc < 0)
1089                 return rc;
1090
1091         vidioc_try_fmt_vid_cap(file, priv, f);
1092
1093         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1094         if (!fmt)
1095                 return -EINVAL;
1096
1097         if (videobuf_queue_is_busy(&fh->vb_vidq)) {
1098                 cx231xx_errdev("%s queue busy\n", __func__);
1099                 return -EBUSY;
1100         }
1101
1102         if (dev->stream_on && !fh->stream_on) {
1103                 cx231xx_errdev("%s device in use by another fh\n", __func__);
1104                 return -EBUSY;
1105         }
1106
1107         /* set new image size */
1108         dev->width = f->fmt.pix.width;
1109         dev->height = f->fmt.pix.height;
1110         dev->format = fmt;
1111
1112         v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1113         call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1114         v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
1115
1116         return rc;
1117 }
1118
1119 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1120 {
1121         struct cx231xx_fh *fh = priv;
1122         struct cx231xx *dev = fh->dev;
1123
1124         *id = dev->norm;
1125         return 0;
1126 }
1127
1128 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
1129 {
1130         struct cx231xx_fh *fh = priv;
1131         struct cx231xx *dev = fh->dev;
1132         struct v4l2_mbus_framefmt mbus_fmt;
1133         struct v4l2_format f;
1134         int rc;
1135
1136         rc = check_dev(dev);
1137         if (rc < 0)
1138                 return rc;
1139
1140         cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm);
1141
1142         dev->norm = *norm;
1143
1144         /* Adjusts width/height, if needed */
1145         f.fmt.pix.width = dev->width;
1146         f.fmt.pix.height = dev->height;
1147         vidioc_try_fmt_vid_cap(file, priv, &f);
1148
1149         call_all(dev, core, s_std, dev->norm);
1150
1151         /* We need to reset basic properties in the decoder related to
1152            resolution (since a standard change effects things like the number
1153            of lines in VACT, etc) */
1154         v4l2_fill_mbus_format(&mbus_fmt, &f.fmt.pix, V4L2_MBUS_FMT_FIXED);
1155         call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1156         v4l2_fill_pix_format(&f.fmt.pix, &mbus_fmt);
1157
1158         /* set new image size */
1159         dev->width = f.fmt.pix.width;
1160         dev->height = f.fmt.pix.height;
1161
1162         /* do mode control overrides */
1163         cx231xx_do_mode_ctrl_overrides(dev);
1164
1165         return 0;
1166 }
1167
1168 static const char *iname[] = {
1169         [CX231XX_VMUX_COMPOSITE1] = "Composite1",
1170         [CX231XX_VMUX_SVIDEO]     = "S-Video",
1171         [CX231XX_VMUX_TELEVISION] = "Television",
1172         [CX231XX_VMUX_CABLE]      = "Cable TV",
1173         [CX231XX_VMUX_DVB]        = "DVB",
1174         [CX231XX_VMUX_DEBUG]      = "for debug only",
1175 };
1176
1177 static int vidioc_enum_input(struct file *file, void *priv,
1178                              struct v4l2_input *i)
1179 {
1180         struct cx231xx_fh *fh = priv;
1181         struct cx231xx *dev = fh->dev;
1182         unsigned int n;
1183
1184         n = i->index;
1185         if (n >= MAX_CX231XX_INPUT)
1186                 return -EINVAL;
1187         if (0 == INPUT(n)->type)
1188                 return -EINVAL;
1189
1190         i->index = n;
1191         i->type = V4L2_INPUT_TYPE_CAMERA;
1192
1193         strcpy(i->name, iname[INPUT(n)->type]);
1194
1195         if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
1196             (CX231XX_VMUX_CABLE == INPUT(n)->type))
1197                 i->type = V4L2_INPUT_TYPE_TUNER;
1198
1199         i->std = dev->vdev->tvnorms;
1200
1201         return 0;
1202 }
1203
1204 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1205 {
1206         struct cx231xx_fh *fh = priv;
1207         struct cx231xx *dev = fh->dev;
1208
1209         *i = dev->video_input;
1210
1211         return 0;
1212 }
1213
1214 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1215 {
1216         struct cx231xx_fh *fh = priv;
1217         struct cx231xx *dev = fh->dev;
1218         int rc;
1219
1220         dev->mode_tv = 0;
1221         rc = check_dev(dev);
1222         if (rc < 0)
1223                 return rc;
1224
1225         if (i >= MAX_CX231XX_INPUT)
1226                 return -EINVAL;
1227         if (0 == INPUT(i)->type)
1228                 return -EINVAL;
1229
1230         video_mux(dev, i);
1231
1232         if (INPUT(i)->type == CX231XX_VMUX_TELEVISION ||
1233             INPUT(i)->type == CX231XX_VMUX_CABLE) {
1234                 /* There's a tuner, so reset the standard and put it on the
1235                    last known frequency (since it was probably powered down
1236                    until now */
1237                 call_all(dev, core, s_std, dev->norm);
1238         }
1239
1240         return 0;
1241 }
1242
1243 static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
1244 {
1245         struct cx231xx_fh *fh = priv;
1246         struct cx231xx *dev = fh->dev;
1247
1248         switch (a->index) {
1249         case CX231XX_AMUX_VIDEO:
1250                 strcpy(a->name, "Television");
1251                 break;
1252         case CX231XX_AMUX_LINE_IN:
1253                 strcpy(a->name, "Line In");
1254                 break;
1255         default:
1256                 return -EINVAL;
1257         }
1258
1259         a->index = dev->ctl_ainput;
1260         a->capability = V4L2_AUDCAP_STEREO;
1261
1262         return 0;
1263 }
1264
1265 static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
1266 {
1267         struct cx231xx_fh *fh = priv;
1268         struct cx231xx *dev = fh->dev;
1269         int status = 0;
1270
1271         /* Doesn't allow manual routing */
1272         if (a->index != dev->ctl_ainput)
1273                 return -EINVAL;
1274
1275         dev->ctl_ainput = INPUT(a->index)->amux;
1276         status = cx231xx_set_audio_input(dev, dev->ctl_ainput);
1277
1278         return status;
1279 }
1280
1281 static int vidioc_queryctrl(struct file *file, void *priv,
1282                             struct v4l2_queryctrl *qc)
1283 {
1284         struct cx231xx_fh *fh = priv;
1285         struct cx231xx *dev = fh->dev;
1286         int id = qc->id;
1287         int i;
1288         int rc;
1289
1290         rc = check_dev(dev);
1291         if (rc < 0)
1292                 return rc;
1293
1294         qc->id = v4l2_ctrl_next(ctrl_classes, qc->id);
1295         if (unlikely(qc->id == 0))
1296                 return -EINVAL;
1297
1298         memset(qc, 0, sizeof(*qc));
1299
1300         qc->id = id;
1301
1302         if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1)
1303                 return -EINVAL;
1304
1305         for (i = 0; i < CX231XX_CTLS; i++)
1306                 if (cx231xx_ctls[i].v.id == qc->id)
1307                         break;
1308
1309         if (i == CX231XX_CTLS) {
1310                 *qc = no_ctl;
1311                 return 0;
1312         }
1313         *qc = cx231xx_ctls[i].v;
1314
1315         call_all(dev, core, queryctrl, qc);
1316
1317         if (qc->type)
1318                 return 0;
1319         else
1320                 return -EINVAL;
1321 }
1322
1323 static int vidioc_g_ctrl(struct file *file, void *priv,
1324                          struct v4l2_control *ctrl)
1325 {
1326         struct cx231xx_fh *fh = priv;
1327         struct cx231xx *dev = fh->dev;
1328         int rc;
1329
1330         rc = check_dev(dev);
1331         if (rc < 0)
1332                 return rc;
1333
1334         call_all(dev, core, g_ctrl, ctrl);
1335         return rc;
1336 }
1337
1338 static int vidioc_s_ctrl(struct file *file, void *priv,
1339                          struct v4l2_control *ctrl)
1340 {
1341         struct cx231xx_fh *fh = priv;
1342         struct cx231xx *dev = fh->dev;
1343         int rc;
1344
1345         rc = check_dev(dev);
1346         if (rc < 0)
1347                 return rc;
1348
1349         call_all(dev, core, s_ctrl, ctrl);
1350         return rc;
1351 }
1352
1353 static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1354 {
1355         struct cx231xx_fh *fh = priv;
1356         struct cx231xx *dev = fh->dev;
1357         int rc;
1358
1359         rc = check_dev(dev);
1360         if (rc < 0)
1361                 return rc;
1362
1363         if (0 != t->index)
1364                 return -EINVAL;
1365
1366         strcpy(t->name, "Tuner");
1367
1368         t->type = V4L2_TUNER_ANALOG_TV;
1369         t->capability = V4L2_TUNER_CAP_NORM;
1370         t->rangehigh = 0xffffffffUL;
1371         t->signal = 0xffff;     /* LOCKED */
1372
1373         return 0;
1374 }
1375
1376 static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1377 {
1378         struct cx231xx_fh *fh = priv;
1379         struct cx231xx *dev = fh->dev;
1380         int rc;
1381
1382         rc = check_dev(dev);
1383         if (rc < 0)
1384                 return rc;
1385
1386         if (0 != t->index)
1387                 return -EINVAL;
1388 #if 0
1389         call_all(dev, tuner, s_tuner, t);
1390 #endif
1391         return 0;
1392 }
1393
1394 static int vidioc_g_frequency(struct file *file, void *priv,
1395                               struct v4l2_frequency *f)
1396 {
1397         struct cx231xx_fh *fh = priv;
1398         struct cx231xx *dev = fh->dev;
1399
1400         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1401         f->frequency = dev->ctl_freq;
1402
1403         call_all(dev, tuner, g_frequency, f);
1404
1405         return 0;
1406 }
1407
1408 static int vidioc_s_frequency(struct file *file, void *priv,
1409                               struct v4l2_frequency *f)
1410 {
1411         struct cx231xx_fh *fh = priv;
1412         struct cx231xx *dev = fh->dev;
1413         int rc;
1414         u32 if_frequency = 5400000;
1415
1416         cx231xx_info("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
1417                  f->frequency, f->type);
1418         /*cx231xx_info("f->type:  1-radio 2-analogTV 3-digitalTV\n");*/
1419
1420         rc = check_dev(dev);
1421         if (rc < 0)
1422                 return rc;
1423
1424         if (0 != f->tuner)
1425                 return -EINVAL;
1426
1427         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1428                 return -EINVAL;
1429         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1430                 return -EINVAL;
1431
1432         /* set pre channel change settings in DIF first */
1433         rc = cx231xx_tuner_pre_channel_change(dev);
1434
1435         dev->ctl_freq = f->frequency;
1436         call_all(dev, tuner, s_frequency, f);
1437
1438         /* set post channel change settings in DIF first */
1439         rc = cx231xx_tuner_post_channel_change(dev);
1440
1441         if (dev->tuner_type == TUNER_NXP_TDA18271) {
1442                 if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443))
1443                         if_frequency = 5400000;  /*5.4MHz       */
1444                 else if (dev->norm & V4L2_STD_B)
1445                         if_frequency = 6000000;  /*6.0MHz       */
1446                 else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK))
1447                         if_frequency = 6900000;  /*6.9MHz       */
1448                 else if (dev->norm & V4L2_STD_GH)
1449                         if_frequency = 7100000;  /*7.1MHz       */
1450                 else if (dev->norm & V4L2_STD_PAL_I)
1451                         if_frequency = 7250000;  /*7.25MHz      */
1452                 else if (dev->norm & V4L2_STD_SECAM_L)
1453                         if_frequency = 6900000;  /*6.9MHz       */
1454                 else if (dev->norm & V4L2_STD_SECAM_LC)
1455                         if_frequency = 1250000;  /*1.25MHz      */
1456
1457                 cx231xx_info("if_frequency is set to %d\n", if_frequency);
1458                 cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1);
1459
1460                 update_HH_register_after_set_DIF(dev);
1461         }
1462
1463         cx231xx_info("Set New FREQUENCY to %d\n", f->frequency);
1464
1465         return rc;
1466 }
1467
1468 #ifdef CONFIG_VIDEO_ADV_DEBUG
1469
1470 /*
1471   -R, --list-registers=type=<host/i2cdrv/i2caddr>,
1472                                 chip=<chip>[,min=<addr>,max=<addr>]
1473                      dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER]
1474   -r, --set-register=type=<host/i2cdrv/i2caddr>,
1475                                 chip=<chip>,reg=<addr>,val=<val>
1476                      set the register [VIDIOC_DBG_S_REGISTER]
1477
1478   if type == host, then <chip> is the hosts chip ID (default 0)
1479   if type == i2cdrv (default), then <chip> is the I2C driver name or ID
1480   if type == i2caddr, then <chip> is the 7-bit I2C address
1481 */
1482
1483 static int vidioc_g_register(struct file *file, void *priv,
1484                              struct v4l2_dbg_register *reg)
1485 {
1486         struct cx231xx_fh *fh = priv;
1487         struct cx231xx *dev = fh->dev;
1488         int ret = 0;
1489         u8 value[4] = { 0, 0, 0, 0 };
1490         u32 data = 0;
1491
1492         switch (reg->match.type) {
1493         case V4L2_CHIP_MATCH_HOST:
1494                 switch (reg->match.addr) {
1495                 case 0: /* Cx231xx - internal registers */
1496                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1497                                                   (u16)reg->reg, value, 4);
1498                         reg->val = value[0] | value[1] << 8 |
1499                                    value[2] << 16 | value[3] << 24;
1500                         break;
1501                 case 1: /* AFE - read byte */
1502                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1503                                                   (u16)reg->reg, 2, &data, 1);
1504                         reg->val = le32_to_cpu(data & 0xff);
1505                         break;
1506                 case 14: /* AFE - read dword */
1507                         ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1508                                                   (u16)reg->reg, 2, &data, 4);
1509                         reg->val = le32_to_cpu(data);
1510                         break;
1511                 case 2: /* Video Block - read byte */
1512                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1513                                                   (u16)reg->reg, 2, &data, 1);
1514                         reg->val = le32_to_cpu(data & 0xff);
1515                         break;
1516                 case 24: /* Video Block - read dword */
1517                         ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1518                                                   (u16)reg->reg, 2, &data, 4);
1519                         reg->val = le32_to_cpu(data);
1520                         break;
1521                 case 3: /* I2S block - read byte */
1522                         ret = cx231xx_read_i2c_data(dev,
1523                                                     I2S_BLK_DEVICE_ADDRESS,
1524                                                     (u16)reg->reg, 1,
1525                                                     &data, 1);
1526                         reg->val = le32_to_cpu(data & 0xff);
1527                         break;
1528                 case 34: /* I2S Block - read dword */
1529                         ret =
1530                             cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1531                                                   (u16)reg->reg, 1, &data, 4);
1532                         reg->val = le32_to_cpu(data);
1533                         break;
1534                 }
1535                 return ret < 0 ? ret : 0;
1536
1537         case V4L2_CHIP_MATCH_I2C_DRIVER:
1538                 call_all(dev, core, g_register, reg);
1539                 return 0;
1540         case V4L2_CHIP_MATCH_I2C_ADDR:/*for register debug*/
1541                 switch (reg->match.addr) {
1542                 case 0: /* Cx231xx - internal registers */
1543                         ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1544                                                   (u16)reg->reg, value, 4);
1545                         reg->val = value[0] | value[1] << 8 |
1546                                    value[2] << 16 | value[3] << 24;
1547
1548                         break;
1549                 case 0x600:/* AFE - read byte */
1550                         ret = cx231xx_read_i2c_master(dev, AFE_DEVICE_ADDRESS,
1551                                                  (u16)reg->reg, 2,
1552                                                  &data, 1 , 0);
1553                         reg->val = le32_to_cpu(data & 0xff);
1554                         break;
1555
1556                 case 0x880:/* Video Block - read byte */
1557                         if (reg->reg < 0x0b) {
1558                                 ret = cx231xx_read_i2c_master(dev,
1559                                                 VID_BLK_I2C_ADDRESS,
1560                                                  (u16)reg->reg, 2,
1561                                                  &data, 1 , 0);
1562                                 reg->val = le32_to_cpu(data & 0xff);
1563                         } else {
1564                                 ret = cx231xx_read_i2c_master(dev,
1565                                                 VID_BLK_I2C_ADDRESS,
1566                                                  (u16)reg->reg, 2,
1567                                                  &data, 4 , 0);
1568                                 reg->val = le32_to_cpu(data);
1569                         }
1570                         break;
1571                 case 0x980:
1572                         ret = cx231xx_read_i2c_master(dev,
1573                                                 I2S_BLK_DEVICE_ADDRESS,
1574                                                 (u16)reg->reg, 1,
1575                                                 &data, 1 , 0);
1576                         reg->val = le32_to_cpu(data & 0xff);
1577                         break;
1578                 case 0x400:
1579                         ret =
1580                             cx231xx_read_i2c_master(dev, 0x40,
1581                                                   (u16)reg->reg, 1,
1582                                                  &data, 1 , 0);
1583                         reg->val = le32_to_cpu(data & 0xff);
1584                         break;
1585                 case 0xc01:
1586                         ret =
1587                                 cx231xx_read_i2c_master(dev, 0xc0,
1588                                                 (u16)reg->reg, 2,
1589                                                  &data, 38, 1);
1590                         reg->val = le32_to_cpu(data);
1591                         break;
1592                 case 0x022:
1593                         ret =
1594                                 cx231xx_read_i2c_master(dev, 0x02,
1595                                                 (u16)reg->reg, 1,
1596                                                  &data, 1, 2);
1597                         reg->val = le32_to_cpu(data & 0xff);
1598                         break;
1599                 case 0x322:
1600                         ret = cx231xx_read_i2c_master(dev,
1601                                                 0x32,
1602                                                  (u16)reg->reg, 1,
1603                                                  &data, 4 , 2);
1604                                 reg->val = le32_to_cpu(data);
1605                         break;
1606                 case 0x342:
1607                         ret = cx231xx_read_i2c_master(dev,
1608                                                 0x34,
1609                                                  (u16)reg->reg, 1,
1610                                                  &data, 4 , 2);
1611                                 reg->val = le32_to_cpu(data);
1612                         break;
1613
1614                 default:
1615                         cx231xx_info("no match device address!!\n");
1616                         break;
1617                         }
1618                 return ret < 0 ? ret : 0;
1619                 /*return -EINVAL;*/
1620         default:
1621                 if (!v4l2_chip_match_host(&reg->match))
1622                         return -EINVAL;
1623         }
1624
1625         call_all(dev, core, g_register, reg);
1626
1627         return ret;
1628 }
1629
1630 static int vidioc_s_register(struct file *file, void *priv,
1631                              struct v4l2_dbg_register *reg)
1632 {
1633         struct cx231xx_fh *fh = priv;
1634         struct cx231xx *dev = fh->dev;
1635         int ret = 0;
1636         __le64 buf;
1637         u32 value;
1638         u8 data[4] = { 0, 0, 0, 0 };
1639
1640         buf = cpu_to_le64(reg->val);
1641
1642         switch (reg->match.type) {
1643         case V4L2_CHIP_MATCH_HOST:
1644                 {
1645                         value = (u32) buf & 0xffffffff;
1646
1647                         switch (reg->match.addr) {
1648                         case 0: /* cx231xx internal registers */
1649                                 data[0] = (u8) value;
1650                                 data[1] = (u8) (value >> 8);
1651                                 data[2] = (u8) (value >> 16);
1652                                 data[3] = (u8) (value >> 24);
1653                                 ret = cx231xx_write_ctrl_reg(dev,
1654                                                            VRT_SET_REGISTER,
1655                                                            (u16)reg->reg, data,
1656                                                            4);
1657                                 break;
1658                         case 1: /* AFE - read byte */
1659                                 ret = cx231xx_write_i2c_data(dev,
1660                                                         AFE_DEVICE_ADDRESS,
1661                                                         (u16)reg->reg, 2,
1662                                                         value, 1);
1663                                 break;
1664                         case 14: /* AFE - read dword */
1665                                 ret = cx231xx_write_i2c_data(dev,
1666                                                         AFE_DEVICE_ADDRESS,
1667                                                         (u16)reg->reg, 2,
1668                                                         value, 4);
1669                                 break;
1670                         case 2: /* Video Block - read byte */
1671                                 ret =
1672                                     cx231xx_write_i2c_data(dev,
1673                                                         VID_BLK_I2C_ADDRESS,
1674                                                         (u16)reg->reg, 2,
1675                                                         value, 1);
1676                                 break;
1677                         case 24: /* Video Block - read dword */
1678                                 ret =
1679                                     cx231xx_write_i2c_data(dev,
1680                                                         VID_BLK_I2C_ADDRESS,
1681                                                         (u16)reg->reg, 2,
1682                                                         value, 4);
1683                                 break;
1684                         case 3: /* I2S block - read byte */
1685                                 ret =
1686                                     cx231xx_write_i2c_data(dev,
1687                                                         I2S_BLK_DEVICE_ADDRESS,
1688                                                         (u16)reg->reg, 1,
1689                                                         value, 1);
1690                                 break;
1691                         case 34: /* I2S block - read dword */
1692                                 ret =
1693                                     cx231xx_write_i2c_data(dev,
1694                                                         I2S_BLK_DEVICE_ADDRESS,
1695                                                         (u16)reg->reg, 1,
1696                                                         value, 4);
1697                                 break;
1698                         }
1699                 }
1700                 return ret < 0 ? ret : 0;
1701         case V4L2_CHIP_MATCH_I2C_ADDR:
1702                 {
1703                         value = (u32) buf & 0xffffffff;
1704
1705                         switch (reg->match.addr) {
1706                         case 0:/*cx231xx internal registers*/
1707                                         data[0] = (u8) value;
1708                                         data[1] = (u8) (value >> 8);
1709                                         data[2] = (u8) (value >> 16);
1710                                         data[3] = (u8) (value >> 24);
1711                                         ret = cx231xx_write_ctrl_reg(dev,
1712                                                            VRT_SET_REGISTER,
1713                                                            (u16)reg->reg, data,
1714                                                            4);
1715                                         break;
1716                         case 0x600:/* AFE - read byte */
1717                                         ret = cx231xx_write_i2c_master(dev,
1718                                                         AFE_DEVICE_ADDRESS,
1719                                                         (u16)reg->reg, 2,
1720                                                         value, 1 , 0);
1721                                         break;
1722
1723                         case 0x880:/* Video Block - read byte */
1724                                         if (reg->reg < 0x0b)
1725                                                 cx231xx_write_i2c_master(dev,
1726                                                         VID_BLK_I2C_ADDRESS,
1727                                                         (u16)reg->reg, 2,
1728                                                         value, 1, 0);
1729                                         else
1730                                                 cx231xx_write_i2c_master(dev,
1731                                                         VID_BLK_I2C_ADDRESS,
1732                                                         (u16)reg->reg, 2,
1733                                                         value, 4, 0);
1734                                         break;
1735                         case 0x980:
1736                                         ret =
1737                                                 cx231xx_write_i2c_master(dev,
1738                                                         I2S_BLK_DEVICE_ADDRESS,
1739                                                         (u16)reg->reg, 1,
1740                                                         value, 1, 0);
1741                                         break;
1742                         case 0x400:
1743                                         ret =
1744                                                 cx231xx_write_i2c_master(dev,
1745                                                         0x40,
1746                                                         (u16)reg->reg, 1,
1747                                                         value, 1, 0);
1748                                         break;
1749                         case 0xc01:
1750                                         ret =
1751                                                 cx231xx_write_i2c_master(dev,
1752                                                          0xc0,
1753                                                          (u16)reg->reg, 1,
1754                                                          value, 1, 1);
1755                                         break;
1756
1757                         case 0x022:
1758                                         ret =
1759                                                 cx231xx_write_i2c_master(dev,
1760                                                         0x02,
1761                                                         (u16)reg->reg, 1,
1762                                                         value, 1, 2);
1763                         case 0x322:
1764                                         ret =
1765                                                 cx231xx_write_i2c_master(dev,
1766                                                         0x32,
1767                                                         (u16)reg->reg, 1,
1768                                                         value, 4, 2);
1769                                         break;
1770
1771                         case 0x342:
1772                                         ret =
1773                                                 cx231xx_write_i2c_master(dev,
1774                                                         0x34,
1775                                                         (u16)reg->reg, 1,
1776                                                         value, 4, 2);
1777                                         break;
1778                         default:
1779                                 cx231xx_info("no match device address, "
1780                                         "the value is %x\n", reg->match.addr);
1781                                         break;
1782
1783                                         }
1784
1785                 }
1786         default:
1787                 break;
1788         }
1789
1790         call_all(dev, core, s_register, reg);
1791
1792         return ret;
1793 }
1794 #endif
1795
1796 static int vidioc_cropcap(struct file *file, void *priv,
1797                           struct v4l2_cropcap *cc)
1798 {
1799         struct cx231xx_fh *fh = priv;
1800         struct cx231xx *dev = fh->dev;
1801
1802         if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1803                 return -EINVAL;
1804
1805         cc->bounds.left = 0;
1806         cc->bounds.top = 0;
1807         cc->bounds.width = dev->width;
1808         cc->bounds.height = dev->height;
1809         cc->defrect = cc->bounds;
1810         cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
1811         cc->pixelaspect.denominator = 59;
1812
1813         return 0;
1814 }
1815
1816 static int vidioc_streamon(struct file *file, void *priv,
1817                            enum v4l2_buf_type type)
1818 {
1819         struct cx231xx_fh *fh = priv;
1820         struct cx231xx *dev = fh->dev;
1821         int rc;
1822
1823         rc = check_dev(dev);
1824         if (rc < 0)
1825                 return rc;
1826
1827         rc = res_get(fh);
1828
1829         if (likely(rc >= 0))
1830                 rc = videobuf_streamon(&fh->vb_vidq);
1831
1832         call_all(dev, video, s_stream, 1);
1833
1834         return rc;
1835 }
1836
1837 static int vidioc_streamoff(struct file *file, void *priv,
1838                             enum v4l2_buf_type type)
1839 {
1840         struct cx231xx_fh *fh = priv;
1841         struct cx231xx *dev = fh->dev;
1842         int rc;
1843
1844         rc = check_dev(dev);
1845         if (rc < 0)
1846                 return rc;
1847
1848         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1849             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1850                 return -EINVAL;
1851         if (type != fh->type)
1852                 return -EINVAL;
1853
1854         cx25840_call(dev, video, s_stream, 0);
1855
1856         videobuf_streamoff(&fh->vb_vidq);
1857         res_free(fh);
1858
1859         return 0;
1860 }
1861
1862 static int vidioc_querycap(struct file *file, void *priv,
1863                            struct v4l2_capability *cap)
1864 {
1865         struct cx231xx_fh *fh = priv;
1866         struct cx231xx *dev = fh->dev;
1867
1868         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
1869         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
1870         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
1871
1872         cap->version = CX231XX_VERSION_CODE;
1873
1874         cap->capabilities = V4L2_CAP_VBI_CAPTURE |
1875 #if 0
1876                 V4L2_CAP_SLICED_VBI_CAPTURE |
1877 #endif
1878                 V4L2_CAP_VIDEO_CAPTURE  |
1879                 V4L2_CAP_AUDIO          |
1880                 V4L2_CAP_READWRITE      |
1881                 V4L2_CAP_STREAMING;
1882
1883         if (dev->tuner_type != TUNER_ABSENT)
1884                 cap->capabilities |= V4L2_CAP_TUNER;
1885
1886         return 0;
1887 }
1888
1889 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1890                                    struct v4l2_fmtdesc *f)
1891 {
1892         if (unlikely(f->index >= ARRAY_SIZE(format)))
1893                 return -EINVAL;
1894
1895         strlcpy(f->description, format[f->index].name, sizeof(f->description));
1896         f->pixelformat = format[f->index].fourcc;
1897
1898         return 0;
1899 }
1900
1901 /* Sliced VBI ioctls */
1902 static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
1903                                        struct v4l2_format *f)
1904 {
1905         struct cx231xx_fh *fh = priv;
1906         struct cx231xx *dev = fh->dev;
1907         int rc;
1908
1909         rc = check_dev(dev);
1910         if (rc < 0)
1911                 return rc;
1912
1913         f->fmt.sliced.service_set = 0;
1914
1915         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1916
1917         if (f->fmt.sliced.service_set == 0)
1918                 rc = -EINVAL;
1919
1920         return rc;
1921 }
1922
1923 static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
1924                                          struct v4l2_format *f)
1925 {
1926         struct cx231xx_fh *fh = priv;
1927         struct cx231xx *dev = fh->dev;
1928         int rc;
1929
1930         rc = check_dev(dev);
1931         if (rc < 0)
1932                 return rc;
1933
1934         call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1935
1936         if (f->fmt.sliced.service_set == 0)
1937                 return -EINVAL;
1938
1939         return 0;
1940 }
1941
1942 /* RAW VBI ioctls */
1943
1944 static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
1945                                 struct v4l2_format *f)
1946 {
1947         struct cx231xx_fh *fh = priv;
1948         struct cx231xx *dev = fh->dev;
1949         f->fmt.vbi.sampling_rate = 6750000 * 4;
1950         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1951         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1952         f->fmt.vbi.offset = 0;
1953         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1954             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1955         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1956             PAL_VBI_LINES : NTSC_VBI_LINES;
1957         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1958             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1959         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1960
1961         return 0;
1962
1963 }
1964
1965 static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
1966                                   struct v4l2_format *f)
1967 {
1968         struct cx231xx_fh *fh = priv;
1969         struct cx231xx *dev = fh->dev;
1970
1971         if (dev->vbi_stream_on && !fh->stream_on) {
1972                 cx231xx_errdev("%s device in use by another fh\n", __func__);
1973                 return -EBUSY;
1974         }
1975
1976         f->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1977         f->fmt.vbi.sampling_rate = 6750000 * 4;
1978         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1979         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1980         f->fmt.vbi.offset = 0;
1981         f->fmt.vbi.flags = 0;
1982         f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1983             PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1984         f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1985             PAL_VBI_LINES : NTSC_VBI_LINES;
1986         f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1987             PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1988         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1989
1990         return 0;
1991
1992 }
1993
1994 static int vidioc_reqbufs(struct file *file, void *priv,
1995                           struct v4l2_requestbuffers *rb)
1996 {
1997         struct cx231xx_fh *fh = priv;
1998         struct cx231xx *dev = fh->dev;
1999         int rc;
2000
2001         rc = check_dev(dev);
2002         if (rc < 0)
2003                 return rc;
2004
2005         return videobuf_reqbufs(&fh->vb_vidq, rb);
2006 }
2007
2008 static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
2009 {
2010         struct cx231xx_fh *fh = priv;
2011         struct cx231xx *dev = fh->dev;
2012         int rc;
2013
2014         rc = check_dev(dev);
2015         if (rc < 0)
2016                 return rc;
2017
2018         return videobuf_querybuf(&fh->vb_vidq, b);
2019 }
2020
2021 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2022 {
2023         struct cx231xx_fh *fh = priv;
2024         struct cx231xx *dev = fh->dev;
2025         int rc;
2026
2027         rc = check_dev(dev);
2028         if (rc < 0)
2029                 return rc;
2030
2031         return videobuf_qbuf(&fh->vb_vidq, b);
2032 }
2033
2034 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2035 {
2036         struct cx231xx_fh *fh = priv;
2037         struct cx231xx *dev = fh->dev;
2038         int rc;
2039
2040         rc = check_dev(dev);
2041         if (rc < 0)
2042                 return rc;
2043
2044         return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
2045 }
2046
2047 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2048 static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
2049 {
2050         struct cx231xx_fh *fh = priv;
2051
2052         return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
2053 }
2054 #endif
2055
2056 /* ----------------------------------------------------------- */
2057 /* RADIO ESPECIFIC IOCTLS                                      */
2058 /* ----------------------------------------------------------- */
2059
2060 static int radio_querycap(struct file *file, void *priv,
2061                           struct v4l2_capability *cap)
2062 {
2063         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2064
2065         strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
2066         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
2067         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
2068
2069         cap->version = CX231XX_VERSION_CODE;
2070         cap->capabilities = V4L2_CAP_TUNER;
2071         return 0;
2072 }
2073
2074 static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2075 {
2076         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2077
2078         if (unlikely(t->index > 0))
2079                 return -EINVAL;
2080
2081         strcpy(t->name, "Radio");
2082         t->type = V4L2_TUNER_RADIO;
2083
2084         call_all(dev, tuner, s_tuner, t);
2085
2086         return 0;
2087 }
2088
2089 static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i)
2090 {
2091         if (i->index != 0)
2092                 return -EINVAL;
2093         strcpy(i->name, "Radio");
2094         i->type = V4L2_INPUT_TYPE_TUNER;
2095
2096         return 0;
2097 }
2098
2099 static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2100 {
2101         if (unlikely(a->index))
2102                 return -EINVAL;
2103
2104         strcpy(a->name, "Radio");
2105         return 0;
2106 }
2107
2108 static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2109 {
2110         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2111
2112         if (0 != t->index)
2113                 return -EINVAL;
2114
2115         call_all(dev, tuner, s_tuner, t);
2116
2117         return 0;
2118 }
2119
2120 static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
2121 {
2122         return 0;
2123 }
2124
2125 static int radio_s_input(struct file *file, void *fh, unsigned int i)
2126 {
2127         return 0;
2128 }
2129
2130 static int radio_queryctrl(struct file *file, void *priv,
2131                            struct v4l2_queryctrl *c)
2132 {
2133         int i;
2134
2135         if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1)
2136                 return -EINVAL;
2137         if (c->id == V4L2_CID_AUDIO_MUTE) {
2138                 for (i = 0; i < CX231XX_CTLS; i++) {
2139                         if (cx231xx_ctls[i].v.id == c->id)
2140                                 break;
2141                 }
2142                 if (i == CX231XX_CTLS)
2143                         return -EINVAL;
2144                 *c = cx231xx_ctls[i].v;
2145         } else
2146                 *c = no_ctl;
2147         return 0;
2148 }
2149
2150 /*
2151  * cx231xx_v4l2_open()
2152  * inits the device and starts isoc transfer
2153  */
2154 static int cx231xx_v4l2_open(struct file *filp)
2155 {
2156         int errCode = 0, radio = 0;
2157         struct video_device *vdev = video_devdata(filp);
2158         struct cx231xx *dev = video_drvdata(filp);
2159         struct cx231xx_fh *fh;
2160         enum v4l2_buf_type fh_type = 0;
2161
2162         switch (vdev->vfl_type) {
2163         case VFL_TYPE_GRABBER:
2164                 fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2165                 break;
2166         case VFL_TYPE_VBI:
2167                 fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
2168                 break;
2169         case VFL_TYPE_RADIO:
2170                 radio = 1;
2171                 break;
2172         }
2173
2174         cx231xx_videodbg("open dev=%s type=%s users=%d\n",
2175                          video_device_node_name(vdev), v4l2_type_names[fh_type],
2176                          dev->users);
2177
2178 #if 0
2179         errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2180         if (errCode < 0) {
2181                 cx231xx_errdev
2182                     ("Device locked on digital mode. Can't open analog\n");
2183                 return -EBUSY;
2184         }
2185 #endif
2186
2187         fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
2188         if (!fh) {
2189                 cx231xx_errdev("cx231xx-video.c: Out of memory?!\n");
2190                 return -ENOMEM;
2191         }
2192         fh->dev = dev;
2193         fh->radio = radio;
2194         fh->type = fh_type;
2195         filp->private_data = fh;
2196
2197         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
2198                 dev->width = norm_maxw(dev);
2199                 dev->height = norm_maxh(dev);
2200
2201                 /* Power up in Analog TV mode */
2202                 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER ||
2203                     dev->model == CX231XX_BOARD_HAUPPAUGE_USBLIVE2)
2204                         cx231xx_set_power_mode(dev,
2205                                  POLARIS_AVMODE_ENXTERNAL_AV);
2206                 else
2207                         cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
2208
2209 #if 0
2210                 cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2211 #endif
2212
2213                 /* set video alternate setting */
2214                 cx231xx_set_video_alternate(dev);
2215
2216                 /* Needed, since GPIO might have disabled power of
2217                    some i2c device */
2218                 cx231xx_config_i2c(dev);
2219
2220                 /* device needs to be initialized before isoc transfer */
2221                 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
2222
2223         }
2224         if (fh->radio) {
2225                 cx231xx_videodbg("video_open: setting radio device\n");
2226
2227                 /* cx231xx_start_radio(dev); */
2228
2229                 call_all(dev, tuner, s_radio);
2230         }
2231
2232         dev->users++;
2233
2234         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
2235                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
2236                                             NULL, &dev->video_mode.slock,
2237                                             fh->type, V4L2_FIELD_INTERLACED,
2238                                             sizeof(struct cx231xx_buffer),
2239                                             fh, &dev->lock);
2240         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2241                 /* Set the required alternate setting  VBI interface works in
2242                    Bulk mode only */
2243                 if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER &&
2244                     dev->model != CX231XX_BOARD_HAUPPAUGE_USBLIVE2)
2245                         cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2246
2247                 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
2248                                             NULL, &dev->vbi_mode.slock,
2249                                             fh->type, V4L2_FIELD_SEQ_TB,
2250                                             sizeof(struct cx231xx_buffer),
2251                                             fh, &dev->lock);
2252         }
2253
2254         return errCode;
2255 }
2256
2257 /*
2258  * cx231xx_realease_resources()
2259  * unregisters the v4l2,i2c and usb devices
2260  * called when the device gets disconected or at module unload
2261 */
2262 void cx231xx_release_analog_resources(struct cx231xx *dev)
2263 {
2264
2265         /*FIXME: I2C IR should be disconnected */
2266
2267         if (dev->radio_dev) {
2268                 if (video_is_registered(dev->radio_dev))
2269                         video_unregister_device(dev->radio_dev);
2270                 else
2271                         video_device_release(dev->radio_dev);
2272                 dev->radio_dev = NULL;
2273         }
2274         if (dev->vbi_dev) {
2275                 cx231xx_info("V4L2 device %s deregistered\n",
2276                              video_device_node_name(dev->vbi_dev));
2277                 if (video_is_registered(dev->vbi_dev))
2278                         video_unregister_device(dev->vbi_dev);
2279                 else
2280                         video_device_release(dev->vbi_dev);
2281                 dev->vbi_dev = NULL;
2282         }
2283         if (dev->vdev) {
2284                 cx231xx_info("V4L2 device %s deregistered\n",
2285                              video_device_node_name(dev->vdev));
2286
2287                 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER)
2288                         cx231xx_417_unregister(dev);
2289
2290                 if (video_is_registered(dev->vdev))
2291                         video_unregister_device(dev->vdev);
2292                 else
2293                         video_device_release(dev->vdev);
2294                 dev->vdev = NULL;
2295         }
2296 }
2297
2298 /*
2299  * cx231xx_v4l2_close()
2300  * stops streaming and deallocates all resources allocated by the v4l2
2301  * calls and ioctls
2302  */
2303 static int cx231xx_v4l2_close(struct file *filp)
2304 {
2305         struct cx231xx_fh *fh = filp->private_data;
2306         struct cx231xx *dev = fh->dev;
2307
2308         cx231xx_videodbg("users=%d\n", dev->users);
2309
2310         cx231xx_videodbg("users=%d\n", dev->users);
2311         if (res_check(fh))
2312                 res_free(fh);
2313
2314         /*To workaround error number=-71 on EP0 for VideoGrabber,
2315                  need exclude following.*/
2316         if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER &&
2317             dev->model != CX231XX_BOARD_HAUPPAUGE_USBLIVE2)
2318                 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2319                         videobuf_stop(&fh->vb_vidq);
2320                         videobuf_mmap_free(&fh->vb_vidq);
2321
2322                         /* the device is already disconnect,
2323                            free the remaining resources */
2324                         if (dev->state & DEV_DISCONNECTED) {
2325                                 if (atomic_read(&dev->devlist_count) > 0) {
2326                                         cx231xx_release_resources(dev);
2327                                         kfree(dev);
2328                                         dev = NULL;
2329                                         return 0;
2330                                 }
2331                                 return 0;
2332                         }
2333
2334                         /* do this before setting alternate! */
2335                         cx231xx_uninit_vbi_isoc(dev);
2336
2337                         /* set alternate 0 */
2338                         if (!dev->vbi_or_sliced_cc_mode)
2339                                 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2340                         else
2341                                 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
2342
2343                         kfree(fh);
2344                         dev->users--;
2345                         wake_up_interruptible_nr(&dev->open, 1);
2346                         return 0;
2347                 }
2348
2349         if (dev->users == 1) {
2350                 videobuf_stop(&fh->vb_vidq);
2351                 videobuf_mmap_free(&fh->vb_vidq);
2352
2353                 /* the device is already disconnect,
2354                    free the remaining resources */
2355                 if (dev->state & DEV_DISCONNECTED) {
2356                         cx231xx_release_resources(dev);
2357                         kfree(dev);
2358                         dev = NULL;
2359                         return 0;
2360                 }
2361
2362                 /* Save some power by putting tuner to sleep */
2363                 call_all(dev, core, s_power, 0);
2364
2365                 /* do this before setting alternate! */
2366                 if (dev->USE_ISO)
2367                         cx231xx_uninit_isoc(dev);
2368                 else
2369                         cx231xx_uninit_bulk(dev);
2370                 cx231xx_set_mode(dev, CX231XX_SUSPEND);
2371
2372                 /* set alternate 0 */
2373                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
2374         }
2375         kfree(fh);
2376         dev->users--;
2377         wake_up_interruptible_nr(&dev->open, 1);
2378         return 0;
2379 }
2380
2381 /*
2382  * cx231xx_v4l2_read()
2383  * will allocate buffers when called for the first time
2384  */
2385 static ssize_t
2386 cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
2387                   loff_t *pos)
2388 {
2389         struct cx231xx_fh *fh = filp->private_data;
2390         struct cx231xx *dev = fh->dev;
2391         int rc;
2392
2393         rc = check_dev(dev);
2394         if (rc < 0)
2395                 return rc;
2396
2397         if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
2398             (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
2399                 rc = res_get(fh);
2400
2401                 if (unlikely(rc < 0))
2402                         return rc;
2403
2404                 return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
2405                                             filp->f_flags & O_NONBLOCK);
2406         }
2407         return 0;
2408 }
2409
2410 /*
2411  * cx231xx_v4l2_poll()
2412  * will allocate buffers when called for the first time
2413  */
2414 static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
2415 {
2416         struct cx231xx_fh *fh = filp->private_data;
2417         struct cx231xx *dev = fh->dev;
2418         int rc;
2419
2420         rc = check_dev(dev);
2421         if (rc < 0)
2422                 return rc;
2423
2424         rc = res_get(fh);
2425
2426         if (unlikely(rc < 0))
2427                 return POLLERR;
2428
2429         if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
2430             (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type))
2431                 return videobuf_poll_stream(filp, &fh->vb_vidq, wait);
2432         else
2433                 return POLLERR;
2434 }
2435
2436 /*
2437  * cx231xx_v4l2_mmap()
2438  */
2439 static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
2440 {
2441         struct cx231xx_fh *fh = filp->private_data;
2442         struct cx231xx *dev = fh->dev;
2443         int rc;
2444
2445         rc = check_dev(dev);
2446         if (rc < 0)
2447                 return rc;
2448
2449         rc = res_get(fh);
2450
2451         if (unlikely(rc < 0))
2452                 return rc;
2453
2454         rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
2455
2456         cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
2457                          (unsigned long)vma->vm_start,
2458                          (unsigned long)vma->vm_end -
2459                          (unsigned long)vma->vm_start, rc);
2460
2461         return rc;
2462 }
2463
2464 static const struct v4l2_file_operations cx231xx_v4l_fops = {
2465         .owner   = THIS_MODULE,
2466         .open    = cx231xx_v4l2_open,
2467         .release = cx231xx_v4l2_close,
2468         .read    = cx231xx_v4l2_read,
2469         .poll    = cx231xx_v4l2_poll,
2470         .mmap    = cx231xx_v4l2_mmap,
2471         .unlocked_ioctl   = video_ioctl2,
2472 };
2473
2474 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2475         .vidioc_querycap               = vidioc_querycap,
2476         .vidioc_enum_fmt_vid_cap       = vidioc_enum_fmt_vid_cap,
2477         .vidioc_g_fmt_vid_cap          = vidioc_g_fmt_vid_cap,
2478         .vidioc_try_fmt_vid_cap        = vidioc_try_fmt_vid_cap,
2479         .vidioc_s_fmt_vid_cap          = vidioc_s_fmt_vid_cap,
2480         .vidioc_g_fmt_vbi_cap          = vidioc_g_fmt_vbi_cap,
2481         .vidioc_try_fmt_vbi_cap        = vidioc_try_fmt_vbi_cap,
2482         .vidioc_s_fmt_vbi_cap          = vidioc_try_fmt_vbi_cap,
2483         .vidioc_g_audio                =  vidioc_g_audio,
2484         .vidioc_s_audio                = vidioc_s_audio,
2485         .vidioc_cropcap                = vidioc_cropcap,
2486         .vidioc_g_fmt_sliced_vbi_cap   = vidioc_g_fmt_sliced_vbi_cap,
2487         .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
2488         .vidioc_reqbufs                = vidioc_reqbufs,
2489         .vidioc_querybuf               = vidioc_querybuf,
2490         .vidioc_qbuf                   = vidioc_qbuf,
2491         .vidioc_dqbuf                  = vidioc_dqbuf,
2492         .vidioc_s_std                  = vidioc_s_std,
2493         .vidioc_g_std                  = vidioc_g_std,
2494         .vidioc_enum_input             = vidioc_enum_input,
2495         .vidioc_g_input                = vidioc_g_input,
2496         .vidioc_s_input                = vidioc_s_input,
2497         .vidioc_queryctrl              = vidioc_queryctrl,
2498         .vidioc_g_ctrl                 = vidioc_g_ctrl,
2499         .vidioc_s_ctrl                 = vidioc_s_ctrl,
2500         .vidioc_streamon               = vidioc_streamon,
2501         .vidioc_streamoff              = vidioc_streamoff,
2502         .vidioc_g_tuner                = vidioc_g_tuner,
2503         .vidioc_s_tuner                = vidioc_s_tuner,
2504         .vidioc_g_frequency            = vidioc_g_frequency,
2505         .vidioc_s_frequency            = vidioc_s_frequency,
2506 #ifdef CONFIG_VIDEO_ADV_DEBUG
2507         .vidioc_g_register             = vidioc_g_register,
2508         .vidioc_s_register             = vidioc_s_register,
2509 #endif
2510 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2511         .vidiocgmbuf                   = vidiocgmbuf,
2512 #endif
2513 };
2514
2515 static struct video_device cx231xx_vbi_template;
2516
2517 static const struct video_device cx231xx_video_template = {
2518         .fops         = &cx231xx_v4l_fops,
2519         .release      = video_device_release,
2520         .ioctl_ops    = &video_ioctl_ops,
2521         .tvnorms      = V4L2_STD_ALL,
2522         .current_norm = V4L2_STD_PAL,
2523 };
2524
2525 static const struct v4l2_file_operations radio_fops = {
2526         .owner   = THIS_MODULE,
2527         .open   = cx231xx_v4l2_open,
2528         .release = cx231xx_v4l2_close,
2529         .ioctl   = video_ioctl2,
2530 };
2531
2532 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2533         .vidioc_querycap    = radio_querycap,
2534         .vidioc_g_tuner     = radio_g_tuner,
2535         .vidioc_enum_input  = radio_enum_input,
2536         .vidioc_g_audio     = radio_g_audio,
2537         .vidioc_s_tuner     = radio_s_tuner,
2538         .vidioc_s_audio     = radio_s_audio,
2539         .vidioc_s_input     = radio_s_input,
2540         .vidioc_queryctrl   = radio_queryctrl,
2541         .vidioc_g_ctrl      = vidioc_g_ctrl,
2542         .vidioc_s_ctrl      = vidioc_s_ctrl,
2543         .vidioc_g_frequency = vidioc_g_frequency,
2544         .vidioc_s_frequency = vidioc_s_frequency,
2545 #ifdef CONFIG_VIDEO_ADV_DEBUG
2546         .vidioc_g_register  = vidioc_g_register,
2547         .vidioc_s_register  = vidioc_s_register,
2548 #endif
2549 };
2550
2551 static struct video_device cx231xx_radio_template = {
2552         .name      = "cx231xx-radio",
2553         .fops      = &radio_fops,
2554         .ioctl_ops = &radio_ioctl_ops,
2555 };
2556
2557 /******************************** usb interface ******************************/
2558
2559 static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
2560                 const struct video_device
2561                 *template, const char *type_name)
2562 {
2563         struct video_device *vfd;
2564
2565         vfd = video_device_alloc();
2566         if (NULL == vfd)
2567                 return NULL;
2568
2569         *vfd = *template;
2570         vfd->v4l2_dev = &dev->v4l2_dev;
2571         vfd->release = video_device_release;
2572         vfd->debug = video_debug;
2573         vfd->lock = &dev->lock;
2574
2575         snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
2576
2577         video_set_drvdata(vfd, dev);
2578         return vfd;
2579 }
2580
2581 int cx231xx_register_analog_devices(struct cx231xx *dev)
2582 {
2583         int ret;
2584
2585         cx231xx_info("%s: v4l2 driver version %d.%d.%d\n",
2586                      dev->name,
2587                      (CX231XX_VERSION_CODE >> 16) & 0xff,
2588                      (CX231XX_VERSION_CODE >> 8) & 0xff,
2589                      CX231XX_VERSION_CODE & 0xff);
2590
2591         /* set default norm */
2592         /*dev->norm = cx231xx_video_template.current_norm; */
2593         dev->width = norm_maxw(dev);
2594         dev->height = norm_maxh(dev);
2595         dev->interlaced = 0;
2596
2597         /* Analog specific initialization */
2598         dev->format = &format[0];
2599
2600         /* Set the initial input */
2601         video_mux(dev, dev->video_input);
2602
2603         /* Audio defaults */
2604         dev->mute = 1;
2605         dev->volume = 0x1f;
2606
2607         /* enable vbi capturing */
2608         /* write code here...  */
2609
2610         /* allocate and fill video video_device struct */
2611         dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video");
2612         if (!dev->vdev) {
2613                 cx231xx_errdev("cannot allocate video_device.\n");
2614                 return -ENODEV;
2615         }
2616
2617         /* register v4l2 video video_device */
2618         ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
2619                                     video_nr[dev->devno]);
2620         if (ret) {
2621                 cx231xx_errdev("unable to register video device (error=%i).\n",
2622                                ret);
2623                 return ret;
2624         }
2625
2626         cx231xx_info("%s/0: registered device %s [v4l2]\n",
2627                      dev->name, video_device_node_name(dev->vdev));
2628
2629         /* Initialize VBI template */
2630         memcpy(&cx231xx_vbi_template, &cx231xx_video_template,
2631                sizeof(cx231xx_vbi_template));
2632         strcpy(cx231xx_vbi_template.name, "cx231xx-vbi");
2633
2634         /* Allocate and fill vbi video_device struct */
2635         dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi");
2636
2637         /* register v4l2 vbi video_device */
2638         ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
2639                                     vbi_nr[dev->devno]);
2640         if (ret < 0) {
2641                 cx231xx_errdev("unable to register vbi device\n");
2642                 return ret;
2643         }
2644
2645         cx231xx_info("%s/0: registered device %s\n",
2646                      dev->name, video_device_node_name(dev->vbi_dev));
2647
2648         if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
2649                 dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template,
2650                                                    "radio");
2651                 if (!dev->radio_dev) {
2652                         cx231xx_errdev("cannot allocate video_device.\n");
2653                         return -ENODEV;
2654                 }
2655                 ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
2656                                             radio_nr[dev->devno]);
2657                 if (ret < 0) {
2658                         cx231xx_errdev("can't register radio device\n");
2659                         return ret;
2660                 }
2661                 cx231xx_info("Registered radio device as %s\n",
2662                              video_device_node_name(dev->radio_dev));
2663         }
2664
2665         cx231xx_info("V4L2 device registered as %s and %s\n",
2666                      video_device_node_name(dev->vdev),
2667                      video_device_node_name(dev->vbi_dev));
2668
2669         return 0;
2670 }