linux/drivers/media/video/cx231xx/cx231xx-video.c
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   1/*
   2   cx231xx-video.c - driver for Conexant Cx23100/101/102
   3                     USB video capture devices
   4
   5   Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
   6        Based on em28xx driver
   7        Based on cx23885 driver
   8        Based on cx88 driver
   9
  10   This program is free software; you can redistribute it and/or modify
  11   it under the terms of the GNU General Public License as published by
  12   the Free Software Foundation; either version 2 of the License, or
  13   (at your option) any later version.
  14
  15   This program is distributed in the hope that it will be useful,
  16   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18   GNU General Public License for more details.
  19
  20   You should have received a copy of the GNU General Public License
  21   along with this program; if not, write to the Free Software
  22   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23 */
  24
  25#include <linux/init.h>
  26#include <linux/list.h>
  27#include <linux/module.h>
  28#include <linux/kernel.h>
  29#include <linux/bitmap.h>
  30#include <linux/usb.h>
  31#include <linux/i2c.h>
  32#include <linux/mm.h>
  33#include <linux/mutex.h>
  34#include <linux/slab.h>
  35
  36#include <media/v4l2-common.h>
  37#include <media/v4l2-ioctl.h>
  38#include <media/v4l2-chip-ident.h>
  39#include <media/msp3400.h>
  40#include <media/tuner.h>
  41
  42#include "dvb_frontend.h"
  43
  44#include "cx231xx.h"
  45#include "cx231xx-vbi.h"
  46
  47#define CX231XX_VERSION "0.0.2"
  48
  49#define DRIVER_AUTHOR   "Srinivasa Deevi <srinivasa.deevi@conexant.com>"
  50#define DRIVER_DESC     "Conexant cx231xx based USB video device driver"
  51
  52#define cx231xx_videodbg(fmt, arg...) do {\
  53        if (video_debug) \
  54                printk(KERN_INFO "%s %s :"fmt, \
  55                         dev->name, __func__ , ##arg); } while (0)
  56
  57static unsigned int isoc_debug;
  58module_param(isoc_debug, int, 0644);
  59MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
  60
  61#define cx231xx_isocdbg(fmt, arg...) \
  62do {\
  63        if (isoc_debug) { \
  64                printk(KERN_INFO "%s %s :"fmt, \
  65                         dev->name, __func__ , ##arg); \
  66        } \
  67  } while (0)
  68
  69MODULE_AUTHOR(DRIVER_AUTHOR);
  70MODULE_DESCRIPTION(DRIVER_DESC);
  71MODULE_LICENSE("GPL");
  72MODULE_VERSION(CX231XX_VERSION);
  73
  74static unsigned int card[]     = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
  75static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
  76static unsigned int vbi_nr[]   = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
  77static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
  78
  79module_param_array(card, int, NULL, 0444);
  80module_param_array(video_nr, int, NULL, 0444);
  81module_param_array(vbi_nr, int, NULL, 0444);
  82module_param_array(radio_nr, int, NULL, 0444);
  83
  84MODULE_PARM_DESC(card, "card type");
  85MODULE_PARM_DESC(video_nr, "video device numbers");
  86MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  87MODULE_PARM_DESC(radio_nr, "radio device numbers");
  88
  89static unsigned int video_debug;
  90module_param(video_debug, int, 0644);
  91MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  92
  93/* supported video standards */
  94static 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
 108static const struct v4l2_queryctrl no_ctl = {
 109        .name = "42",
 110        .flags = V4L2_CTRL_FLAG_DISABLED,
 111};
 112
 113static 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};
 202static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls);
 203
 204static 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
 218static 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 */
 230static 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
 249static 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 */
 290static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
 291                                struct cx231xx_buffer **buf)
 292{
 293        struct cx231xx_video_mode *vmode =
 294            container_of(dma_q, struct cx231xx_video_mode, vidq);
 295        struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
 296
 297        char *outp;
 298
 299        if (list_empty(&dma_q->active)) {
 300                cx231xx_isocdbg("No active queue to serve\n");
 301                if (dev->USE_ISO)
 302                        dev->video_mode.isoc_ctl.buf = NULL;
 303                else
 304                        dev->video_mode.bulk_ctl.buf = NULL;
 305                *buf = NULL;
 306                return;
 307        }
 308
 309        /* Get the next buffer */
 310        *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);
 311
 312        /* Cleans up buffer - Useful for testing for frame/URB loss */
 313        outp = videobuf_to_vmalloc(&(*buf)->vb);
 314        memset(outp, 0, (*buf)->vb.size);
 315
 316        if (dev->USE_ISO)
 317                dev->video_mode.isoc_ctl.buf = *buf;
 318        else
 319                dev->video_mode.bulk_ctl.buf = *buf;
 320
 321        return;
 322}
 323
 324/*
 325 * Controls the isoc copy of each urb packet
 326 */
 327static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
 328{
 329        struct cx231xx_dmaqueue *dma_q = urb->context;
 330        int i, rc = 1;
 331        unsigned char *p_buffer;
 332        u32 bytes_parsed = 0, buffer_size = 0;
 333        u8 sav_eav = 0;
 334
 335        if (!dev)
 336                return 0;
 337
 338        if (dev->state & DEV_DISCONNECTED)
 339                return 0;
 340
 341        if (urb->status < 0) {
 342                print_err_status(dev, -1, urb->status);
 343                if (urb->status == -ENOENT)
 344                        return 0;
 345        }
 346
 347        for (i = 0; i < urb->number_of_packets; i++) {
 348                int status = urb->iso_frame_desc[i].status;
 349
 350                if (status < 0) {
 351                        print_err_status(dev, i, status);
 352                        if (urb->iso_frame_desc[i].status != -EPROTO)
 353                                continue;
 354                }
 355
 356                if (urb->iso_frame_desc[i].actual_length <= 0) {
 357                        /* cx231xx_isocdbg("packet %d is empty",i); - spammy */
 358                        continue;
 359                }
 360                if (urb->iso_frame_desc[i].actual_length >
 361                    dev->video_mode.max_pkt_size) {
 362                        cx231xx_isocdbg("packet bigger than packet size");
 363                        continue;
 364                }
 365
 366                /*  get buffer pointer and length */
 367                p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
 368                buffer_size = urb->iso_frame_desc[i].actual_length;
 369                bytes_parsed = 0;
 370
 371                if (dma_q->is_partial_line) {
 372                        /* Handle the case of a partial line */
 373                        sav_eav = dma_q->last_sav;
 374                } else {
 375                        /* Check for a SAV/EAV overlapping
 376                                the buffer boundary */
 377                        sav_eav =
 378                            cx231xx_find_boundary_SAV_EAV(p_buffer,
 379                                                          dma_q->partial_buf,
 380                                                          &bytes_parsed);
 381                }
 382
 383                sav_eav &= 0xF0;
 384                /* Get the first line if we have some portion of an SAV/EAV from
 385                   the last buffer or a partial line  */
 386                if (sav_eav) {
 387                        bytes_parsed += cx231xx_get_video_line(dev, dma_q,
 388                                sav_eav,        /* SAV/EAV */
 389                                p_buffer + bytes_parsed,        /* p_buffer */
 390                                buffer_size - bytes_parsed);/* buf size */
 391                }
 392
 393                /* Now parse data that is completely in this buffer */
 394                /* dma_q->is_partial_line = 0;  */
 395
 396                while (bytes_parsed < buffer_size) {
 397                        u32 bytes_used = 0;
 398
 399                        sav_eav = cx231xx_find_next_SAV_EAV(
 400                                p_buffer + bytes_parsed,        /* p_buffer */
 401                                buffer_size - bytes_parsed,     /* buf size */
 402                                &bytes_used);/* bytes used to get SAV/EAV */
 403
 404                        bytes_parsed += bytes_used;
 405
 406                        sav_eav &= 0xF0;
 407                        if (sav_eav && (bytes_parsed < buffer_size)) {
 408                                bytes_parsed += cx231xx_get_video_line(dev,
 409                                        dma_q, sav_eav, /* SAV/EAV */
 410                                        p_buffer + bytes_parsed,/* p_buffer */
 411                                        buffer_size - bytes_parsed);/*buf size*/
 412                        }
 413                }
 414
 415                /* Save the last four bytes of the buffer so we can check the
 416                   buffer boundary condition next time */
 417                memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
 418                bytes_parsed = 0;
 419
 420        }
 421        return rc;
 422}
 423
 424static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
 425{
 426        struct cx231xx_dmaqueue *dma_q = urb->context;
 427        int rc = 1;
 428        unsigned char *p_buffer;
 429        u32 bytes_parsed = 0, buffer_size = 0;
 430        u8 sav_eav = 0;
 431
 432        if (!dev)
 433                return 0;
 434
 435        if (dev->state & DEV_DISCONNECTED)
 436                return 0;
 437
 438        if (urb->status < 0) {
 439                print_err_status(dev, -1, urb->status);
 440                if (urb->status == -ENOENT)
 441                        return 0;
 442        }
 443
 444        if (1) {
 445
 446                /*  get buffer pointer and length */
 447                p_buffer = urb->transfer_buffer;
 448                buffer_size = urb->actual_length;
 449                bytes_parsed = 0;
 450
 451                if (dma_q->is_partial_line) {
 452                        /* Handle the case of a partial line */
 453                        sav_eav = dma_q->last_sav;
 454                } else {
 455                        /* Check for a SAV/EAV overlapping
 456                                the buffer boundary */
 457                        sav_eav =
 458                            cx231xx_find_boundary_SAV_EAV(p_buffer,
 459                                                          dma_q->partial_buf,
 460                                                          &bytes_parsed);
 461                }
 462
 463                sav_eav &= 0xF0;
 464                /* Get the first line if we have some portion of an SAV/EAV from
 465                   the last buffer or a partial line  */
 466                if (sav_eav) {
 467                        bytes_parsed += cx231xx_get_video_line(dev, dma_q,
 468                                sav_eav,        /* SAV/EAV */
 469                                p_buffer + bytes_parsed,        /* p_buffer */
 470                                buffer_size - bytes_parsed);/* buf size */
 471                }
 472
 473                /* Now parse data that is completely in this buffer */
 474                /* dma_q->is_partial_line = 0;  */
 475
 476                while (bytes_parsed < buffer_size) {
 477                        u32 bytes_used = 0;
 478
 479                        sav_eav = cx231xx_find_next_SAV_EAV(
 480                                p_buffer + bytes_parsed,        /* p_buffer */
 481                                buffer_size - bytes_parsed,     /* buf size */
 482                                &bytes_used);/* bytes used to get SAV/EAV */
 483
 484                        bytes_parsed += bytes_used;
 485
 486                        sav_eav &= 0xF0;
 487                        if (sav_eav && (bytes_parsed < buffer_size)) {
 488                                bytes_parsed += cx231xx_get_video_line(dev,
 489                                        dma_q, sav_eav, /* SAV/EAV */
 490                                        p_buffer + bytes_parsed,/* p_buffer */
 491                                        buffer_size - bytes_parsed);/*buf size*/
 492                        }
 493                }
 494
 495                /* Save the last four bytes of the buffer so we can check the
 496                   buffer boundary condition next time */
 497                memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
 498                bytes_parsed = 0;
 499
 500        }
 501        return rc;
 502}
 503
 504
 505u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
 506                                 u32 *p_bytes_used)
 507{
 508        u32 bytes_used;
 509        u8 boundary_bytes[8];
 510        u8 sav_eav = 0;
 511
 512        *p_bytes_used = 0;
 513
 514        /* Create an array of the last 4 bytes of the last buffer and the first
 515           4 bytes of the current buffer. */
 516
 517        memcpy(boundary_bytes, partial_buf, 4);
 518        memcpy(boundary_bytes + 4, p_buffer, 4);
 519
 520        /* Check for the SAV/EAV in the boundary buffer */
 521        sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8,
 522                                            &bytes_used);
 523
 524        if (sav_eav) {
 525                /* found a boundary SAV/EAV.  Updates the bytes used to reflect
 526                   only those used in the new buffer */
 527                *p_bytes_used = bytes_used - 4;
 528        }
 529
 530        return sav_eav;
 531}
 532
 533u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used)
 534{
 535        u32 i;
 536        u8 sav_eav = 0;
 537
 538        /*
 539         * Don't search if the buffer size is less than 4.  It causes a page
 540         * fault since buffer_size - 4 evaluates to a large number in that
 541         * case.
 542         */
 543        if (buffer_size < 4) {
 544                *p_bytes_used = buffer_size;
 545                return 0;
 546        }
 547
 548        for (i = 0; i < (buffer_size - 3); i++) {
 549
 550                if ((p_buffer[i] == 0xFF) &&
 551                    (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) {
 552
 553                        *p_bytes_used = i + 4;
 554                        sav_eav = p_buffer[i + 3];
 555                        return sav_eav;
 556                }
 557        }
 558
 559        *p_bytes_used = buffer_size;
 560        return 0;
 561}
 562
 563u32 cx231xx_get_video_line(struct cx231xx *dev,
 564                           struct cx231xx_dmaqueue *dma_q, u8 sav_eav,
 565                           u8 *p_buffer, u32 buffer_size)
 566{
 567        u32 bytes_copied = 0;
 568        int current_field = -1;
 569
 570        switch (sav_eav) {
 571        case SAV_ACTIVE_VIDEO_FIELD1:
 572                /* looking for skipped line which occurred in PAL 720x480 mode.
 573                   In this case, there will be no active data contained
 574                   between the SAV and EAV */
 575                if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
 576                    (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
 577                    ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
 578                     (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
 579                     (p_buffer[3] == EAV_VBLANK_FIELD1) ||
 580                     (p_buffer[3] == EAV_VBLANK_FIELD2)))
 581                        return bytes_copied;
 582                current_field = 1;
 583                break;
 584
 585        case SAV_ACTIVE_VIDEO_FIELD2:
 586                /* looking for skipped line which occurred in PAL 720x480 mode.
 587                   In this case, there will be no active data contained between
 588                   the SAV and EAV */
 589                if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
 590                    (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
 591                    ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
 592                     (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
 593                     (p_buffer[3] == EAV_VBLANK_FIELD1)       ||
 594                     (p_buffer[3] == EAV_VBLANK_FIELD2)))
 595                        return bytes_copied;
 596                current_field = 2;
 597                break;
 598        }
 599
 600        dma_q->last_sav = sav_eav;
 601
 602        bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer,
 603                                               buffer_size, current_field);
 604
 605        return bytes_copied;
 606}
 607
 608u32 cx231xx_copy_video_line(struct cx231xx *dev,
 609                            struct cx231xx_dmaqueue *dma_q, u8 *p_line,
 610                            u32 length, int field_number)
 611{
 612        u32 bytes_to_copy;
 613        struct cx231xx_buffer *buf;
 614        u32 _line_size = dev->width * 2;
 615
 616        if (dma_q->current_field != field_number)
 617                cx231xx_reset_video_buffer(dev, dma_q);
 618
 619        /* get the buffer pointer */
 620        if (dev->USE_ISO)
 621                buf = dev->video_mode.isoc_ctl.buf;
 622        else
 623                buf = dev->video_mode.bulk_ctl.buf;
 624
 625        /* Remember the field number for next time */
 626        dma_q->current_field = field_number;
 627
 628        bytes_to_copy = dma_q->bytes_left_in_line;
 629        if (bytes_to_copy > length)
 630                bytes_to_copy = length;
 631
 632        if (dma_q->lines_completed >= dma_q->lines_per_field) {
 633                dma_q->bytes_left_in_line -= bytes_to_copy;
 634                dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ?
 635                                          0 : 1;
 636                return 0;
 637        }
 638
 639        dma_q->is_partial_line = 1;
 640
 641        /* If we don't have a buffer, just return the number of bytes we would
 642           have copied if we had a buffer. */
 643        if (!buf) {
 644                dma_q->bytes_left_in_line -= bytes_to_copy;
 645                dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0)
 646                                         ? 0 : 1;
 647                return bytes_to_copy;
 648        }
 649
 650        /* copy the data to video buffer */
 651        cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy);
 652
 653        dma_q->pos += bytes_to_copy;
 654        dma_q->bytes_left_in_line -= bytes_to_copy;
 655
 656        if (dma_q->bytes_left_in_line == 0) {
 657                dma_q->bytes_left_in_line = _line_size;
 658                dma_q->lines_completed++;
 659                dma_q->is_partial_line = 0;
 660
 661                if (cx231xx_is_buffer_done(dev, dma_q) && buf) {
 662                        buffer_filled(dev, dma_q, buf);
 663
 664                        dma_q->pos = 0;
 665                        buf = NULL;
 666                        dma_q->lines_completed = 0;
 667                }
 668        }
 669
 670        return bytes_to_copy;
 671}
 672
 673void cx231xx_reset_video_buffer(struct cx231xx *dev,
 674                                struct cx231xx_dmaqueue *dma_q)
 675{
 676        struct cx231xx_buffer *buf;
 677
 678        /* handle the switch from field 1 to field 2 */
 679        if (dma_q->current_field == 1) {
 680                if (dma_q->lines_completed >= dma_q->lines_per_field)
 681                        dma_q->field1_done = 1;
 682                else
 683                        dma_q->field1_done = 0;
 684        }
 685
 686        if (dev->USE_ISO)
 687                buf = dev->video_mode.isoc_ctl.buf;
 688        else
 689                buf = dev->video_mode.bulk_ctl.buf;
 690
 691        if (buf == NULL) {
 692                /* first try to get the buffer */
 693                get_next_buf(dma_q, &buf);
 694
 695                dma_q->pos = 0;
 696                dma_q->field1_done = 0;
 697                dma_q->current_field = -1;
 698        }
 699
 700        /* reset the counters */
 701        dma_q->bytes_left_in_line = dev->width << 1;
 702        dma_q->lines_completed = 0;
 703}
 704
 705int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
 706                    u8 *p_buffer, u32 bytes_to_copy)
 707{
 708        u8 *p_out_buffer = NULL;
 709        u32 current_line_bytes_copied = 0;
 710        struct cx231xx_buffer *buf;
 711        u32 _line_size = dev->width << 1;
 712        void *startwrite;
 713        int offset, lencopy;
 714
 715        if (dev->USE_ISO)
 716                buf = dev->video_mode.isoc_ctl.buf;
 717        else
 718                buf = dev->video_mode.bulk_ctl.buf;
 719
 720        if (buf == NULL)
 721                return -1;
 722
 723        p_out_buffer = videobuf_to_vmalloc(&buf->vb);
 724
 725        current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line;
 726
 727        /* Offset field 2 one line from the top of the buffer */
 728        offset = (dma_q->current_field == 1) ? 0 : _line_size;
 729
 730        /* Offset for field 2 */
 731        startwrite = p_out_buffer + offset;
 732
 733        /* lines already completed in the current field */
 734        startwrite += (dma_q->lines_completed * _line_size * 2);
 735
 736        /* bytes already completed in the current line */
 737        startwrite += current_line_bytes_copied;
 738
 739        lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?
 740                  bytes_to_copy : dma_q->bytes_left_in_line;
 741
 742        if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size))
 743                return 0;
 744
 745        /* The below copies the UYVY data straight into video buffer */
 746        cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy);
 747
 748        return 0;
 749}
 750
 751void cx231xx_swab(u16 *from, u16 *to, u16 len)
 752{
 753        u16 i;
 754
 755        if (len <= 0)
 756                return;
 757
 758        for (i = 0; i < len / 2; i++)
 759                to[i] = (from[i] << 8) | (from[i] >> 8);
 760}
 761
 762u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q)
 763{
 764        u8 buffer_complete = 0;
 765
 766        /* Dual field stream */
 767        buffer_complete = ((dma_q->current_field == 2) &&
 768                           (dma_q->lines_completed >= dma_q->lines_per_field) &&
 769                            dma_q->field1_done);
 770
 771        return buffer_complete;
 772}
 773
 774/* ------------------------------------------------------------------
 775        Videobuf operations
 776   ------------------------------------------------------------------*/
 777
 778static int
 779buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
 780{
 781        struct cx231xx_fh *fh = vq->priv_data;
 782        struct cx231xx *dev = fh->dev;
 783
 784        *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3;
 785        if (0 == *count)
 786                *count = CX231XX_DEF_BUF;
 787
 788        if (*count < CX231XX_MIN_BUF)
 789                *count = CX231XX_MIN_BUF;
 790
 791        return 0;
 792}
 793
 794/* This is called *without* dev->slock held; please keep it that way */
 795static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
 796{
 797        struct cx231xx_fh *fh = vq->priv_data;
 798        struct cx231xx *dev = fh->dev;
 799        unsigned long flags = 0;
 800
 801        if (in_interrupt())
 802                BUG();
 803
 804        /* We used to wait for the buffer to finish here, but this didn't work
 805           because, as we were keeping the state as VIDEOBUF_QUEUED,
 806           videobuf_queue_cancel marked it as finished for us.
 807           (Also, it could wedge forever if the hardware was misconfigured.)
 808
 809           This should be safe; by the time we get here, the buffer isn't
 810           queued anymore. If we ever start marking the buffers as
 811           VIDEOBUF_ACTIVE, it won't be, though.
 812         */
 813        spin_lock_irqsave(&dev->video_mode.slock, flags);
 814        if (dev->USE_ISO) {
 815                if (dev->video_mode.isoc_ctl.buf == buf)
 816                        dev->video_mode.isoc_ctl.buf = NULL;
 817        } else {
 818                if (dev->video_mode.bulk_ctl.buf == buf)
 819                        dev->video_mode.bulk_ctl.buf = NULL;
 820        }
 821        spin_unlock_irqrestore(&dev->video_mode.slock, flags);
 822
 823        videobuf_vmalloc_free(&buf->vb);
 824        buf->vb.state = VIDEOBUF_NEEDS_INIT;
 825}
 826
 827static int
 828buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
 829               enum v4l2_field field)
 830{
 831        struct cx231xx_fh *fh = vq->priv_data;
 832        struct cx231xx_buffer *buf =
 833            container_of(vb, struct cx231xx_buffer, vb);
 834        struct cx231xx *dev = fh->dev;
 835        int rc = 0, urb_init = 0;
 836
 837        /* The only currently supported format is 16 bits/pixel */
 838        buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth
 839                        + 7) >> 3;
 840        if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
 841                return -EINVAL;
 842
 843        buf->vb.width = dev->width;
 844        buf->vb.height = dev->height;
 845        buf->vb.field = field;
 846
 847        if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 848                rc = videobuf_iolock(vq, &buf->vb, NULL);
 849                if (rc < 0)
 850                        goto fail;
 851        }
 852
 853        if (dev->USE_ISO) {
 854                if (!dev->video_mode.isoc_ctl.num_bufs)
 855                        urb_init = 1;
 856        } else {
 857                if (!dev->video_mode.bulk_ctl.num_bufs)
 858                        urb_init = 1;
 859        }
 860        /*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n",
 861                urb_init, dev->video_mode.max_pkt_size);*/
 862        if (urb_init) {
 863                dev->mode_tv = 0;
 864                if (dev->USE_ISO)
 865                        rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
 866                                       CX231XX_NUM_BUFS,
 867                                       dev->video_mode.max_pkt_size,
 868                                       cx231xx_isoc_copy);
 869                else
 870                        rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
 871                                       CX231XX_NUM_BUFS,
 872                                       dev->video_mode.max_pkt_size,
 873                                       cx231xx_bulk_copy);
 874                if (rc < 0)
 875                        goto fail;
 876        }
 877
 878        buf->vb.state = VIDEOBUF_PREPARED;
 879        return 0;
 880
 881fail:
 882        free_buffer(vq, buf);
 883        return rc;
 884}
 885
 886static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 887{
 888        struct cx231xx_buffer *buf =
 889            container_of(vb, struct cx231xx_buffer, vb);
 890        struct cx231xx_fh *fh = vq->priv_data;
 891        struct cx231xx *dev = fh->dev;
 892        struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
 893
 894        buf->vb.state = VIDEOBUF_QUEUED;
 895        list_add_tail(&buf->vb.queue, &vidq->active);
 896
 897}
 898
 899static void buffer_release(struct videobuf_queue *vq,
 900                           struct videobuf_buffer *vb)
 901{
 902        struct cx231xx_buffer *buf =
 903            container_of(vb, struct cx231xx_buffer, vb);
 904        struct cx231xx_fh *fh = vq->priv_data;
 905        struct cx231xx *dev = (struct cx231xx *)fh->dev;
 906
 907        cx231xx_isocdbg("cx231xx: called buffer_release\n");
 908
 909        free_buffer(vq, buf);
 910}
 911
 912static struct videobuf_queue_ops cx231xx_video_qops = {
 913        .buf_setup = buffer_setup,
 914        .buf_prepare = buffer_prepare,
 915        .buf_queue = buffer_queue,
 916        .buf_release = buffer_release,
 917};
 918
 919/*********************  v4l2 interface  **************************************/
 920
 921void video_mux(struct cx231xx *dev, int index)
 922{
 923        dev->video_input = index;
 924        dev->ctl_ainput = INPUT(index)->amux;
 925
 926        cx231xx_set_video_input_mux(dev, index);
 927
 928        cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0);
 929
 930        cx231xx_set_audio_input(dev, dev->ctl_ainput);
 931
 932        cx231xx_info("video_mux : %d\n", index);
 933
 934        /* do mode control overrides if required */
 935        cx231xx_do_mode_ctrl_overrides(dev);
 936}
 937
 938/* Usage lock check functions */
 939static int res_get(struct cx231xx_fh *fh)
 940{
 941        struct cx231xx *dev = fh->dev;
 942        int rc = 0;
 943
 944        /* This instance already has stream_on */
 945        if (fh->stream_on)
 946                return rc;
 947
 948        if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 949                if (dev->stream_on)
 950                        return -EBUSY;
 951                dev->stream_on = 1;
 952        } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
 953                if (dev->vbi_stream_on)
 954                        return -EBUSY;
 955                dev->vbi_stream_on = 1;
 956        } else
 957                return -EINVAL;
 958
 959        fh->stream_on = 1;
 960
 961        return rc;
 962}
 963
 964static int res_check(struct cx231xx_fh *fh)
 965{
 966        return fh->stream_on;
 967}
 968
 969static void res_free(struct cx231xx_fh *fh)
 970{
 971        struct cx231xx *dev = fh->dev;
 972
 973        fh->stream_on = 0;
 974
 975        if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
 976                dev->stream_on = 0;
 977        if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
 978                dev->vbi_stream_on = 0;
 979}
 980
 981static int check_dev(struct cx231xx *dev)
 982{
 983        if (dev->state & DEV_DISCONNECTED) {
 984                cx231xx_errdev("v4l2 ioctl: device not present\n");
 985                return -ENODEV;
 986        }
 987        return 0;
 988}
 989
 990/* ------------------------------------------------------------------
 991        IOCTL vidioc handling
 992   ------------------------------------------------------------------*/
 993
 994static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 995                                struct v4l2_format *f)
 996{
 997        struct cx231xx_fh *fh = priv;
 998        struct cx231xx *dev = fh->dev;
 999
1000        f->fmt.pix.width = dev->width;
1001        f->fmt.pix.height = dev->height;
1002        f->fmt.pix.pixelformat = dev->format->fourcc;
1003        f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
1004        f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
1005        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1006
1007        f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1008
1009        return 0;
1010}
1011
1012static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
1013{
1014        unsigned int i;
1015
1016        for (i = 0; i < ARRAY_SIZE(format); i++)
1017                if (format[i].fourcc == fourcc)
1018                        return &format[i];
1019
1020        return NULL;
1021}
1022
1023static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1024                                  struct v4l2_format *f)
1025{
1026        struct cx231xx_fh *fh = priv;
1027        struct cx231xx *dev = fh->dev;
1028        unsigned int width = f->fmt.pix.width;
1029        unsigned int height = f->fmt.pix.height;
1030        unsigned int maxw = norm_maxw(dev);
1031        unsigned int maxh = norm_maxh(dev);
1032        struct cx231xx_fmt *fmt;
1033
1034        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1035        if (!fmt) {
1036                cx231xx_videodbg("Fourcc format (%08x) invalid.\n",
1037                                 f->fmt.pix.pixelformat);
1038                return -EINVAL;
1039        }
1040
1041        /* width must even because of the YUYV format
1042           height must be even because of interlacing */
1043        v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
1044
1045        f->fmt.pix.width = width;
1046        f->fmt.pix.height = height;
1047        f->fmt.pix.pixelformat = fmt->fourcc;
1048        f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
1049        f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
1050        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1051        f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1052
1053        return 0;
1054}
1055
1056static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1057                                struct v4l2_format *f)
1058{
1059        struct cx231xx_fh *fh = priv;
1060        struct cx231xx *dev = fh->dev;
1061        int rc;
1062        struct cx231xx_fmt *fmt;
1063        struct v4l2_mbus_framefmt mbus_fmt;
1064
1065        rc = check_dev(dev);
1066        if (rc < 0)
1067                return rc;
1068
1069        vidioc_try_fmt_vid_cap(file, priv, f);
1070
1071        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1072        if (!fmt)
1073                return -EINVAL;
1074
1075        if (videobuf_queue_is_busy(&fh->vb_vidq)) {
1076                cx231xx_errdev("%s queue busy\n", __func__);
1077                return -EBUSY;
1078        }
1079
1080        if (dev->stream_on && !fh->stream_on) {
1081                cx231xx_errdev("%s device in use by another fh\n", __func__);
1082                return -EBUSY;
1083        }
1084
1085        /* set new image size */
1086        dev->width = f->fmt.pix.width;
1087        dev->height = f->fmt.pix.height;
1088        dev->format = fmt;
1089
1090        v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1091        call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1092        v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
1093
1094        return rc;
1095}
1096
1097static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1098{
1099        struct cx231xx_fh *fh = priv;
1100        struct cx231xx *dev = fh->dev;
1101
1102        *id = dev->norm;
1103        return 0;
1104}
1105
1106static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
1107{
1108        struct cx231xx_fh *fh = priv;
1109        struct cx231xx *dev = fh->dev;
1110        struct v4l2_mbus_framefmt mbus_fmt;
1111        struct v4l2_format f;
1112        int rc;
1113
1114        rc = check_dev(dev);
1115        if (rc < 0)
1116                return rc;
1117
1118        cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm);
1119
1120        dev->norm = *norm;
1121
1122        /* Adjusts width/height, if needed */
1123        f.fmt.pix.width = dev->width;
1124        f.fmt.pix.height = dev->height;
1125        vidioc_try_fmt_vid_cap(file, priv, &f);
1126
1127        call_all(dev, core, s_std, dev->norm);
1128
1129        /* We need to reset basic properties in the decoder related to
1130           resolution (since a standard change effects things like the number
1131           of lines in VACT, etc) */
1132        v4l2_fill_mbus_format(&mbus_fmt, &f.fmt.pix, V4L2_MBUS_FMT_FIXED);
1133        call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1134        v4l2_fill_pix_format(&f.fmt.pix, &mbus_fmt);
1135
1136        /* set new image size */
1137        dev->width = f.fmt.pix.width;
1138        dev->height = f.fmt.pix.height;
1139
1140        /* do mode control overrides */
1141        cx231xx_do_mode_ctrl_overrides(dev);
1142
1143        return 0;
1144}
1145
1146static const char *iname[] = {
1147        [CX231XX_VMUX_COMPOSITE1] = "Composite1",
1148        [CX231XX_VMUX_SVIDEO]     = "S-Video",
1149        [CX231XX_VMUX_TELEVISION] = "Television",
1150        [CX231XX_VMUX_CABLE]      = "Cable TV",
1151        [CX231XX_VMUX_DVB]        = "DVB",
1152        [CX231XX_VMUX_DEBUG]      = "for debug only",
1153};
1154
1155static int vidioc_enum_input(struct file *file, void *priv,
1156                             struct v4l2_input *i)
1157{
1158        struct cx231xx_fh *fh = priv;
1159        struct cx231xx *dev = fh->dev;
1160        u32 gen_stat;
1161        unsigned int ret, n;
1162
1163        n = i->index;
1164        if (n >= MAX_CX231XX_INPUT)
1165                return -EINVAL;
1166        if (0 == INPUT(n)->type)
1167                return -EINVAL;
1168
1169        i->index = n;
1170        i->type = V4L2_INPUT_TYPE_CAMERA;
1171
1172        strcpy(i->name, iname[INPUT(n)->type]);
1173
1174        if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
1175            (CX231XX_VMUX_CABLE == INPUT(n)->type))
1176                i->type = V4L2_INPUT_TYPE_TUNER;
1177
1178        i->std = dev->vdev->tvnorms;
1179
1180        /* If they are asking about the active input, read signal status */
1181        if (n == dev->video_input) {
1182                ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1183                                            GEN_STAT, 2, &gen_stat, 4);
1184                if (ret > 0) {
1185                        if ((gen_stat & FLD_VPRES) == 0x00)
1186                                i->status |= V4L2_IN_ST_NO_SIGNAL;
1187                        if ((gen_stat & FLD_HLOCK) == 0x00)
1188                                i->status |= V4L2_IN_ST_NO_H_LOCK;
1189                }
1190        }
1191
1192        return 0;
1193}
1194
1195static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1196{
1197        struct cx231xx_fh *fh = priv;
1198        struct cx231xx *dev = fh->dev;
1199
1200        *i = dev->video_input;
1201
1202        return 0;
1203}
1204
1205static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1206{
1207        struct cx231xx_fh *fh = priv;
1208        struct cx231xx *dev = fh->dev;
1209        int rc;
1210
1211        dev->mode_tv = 0;
1212        rc = check_dev(dev);
1213        if (rc < 0)
1214                return rc;
1215
1216        if (i >= MAX_CX231XX_INPUT)
1217                return -EINVAL;
1218        if (0 == INPUT(i)->type)
1219                return -EINVAL;
1220
1221        video_mux(dev, i);
1222
1223        if (INPUT(i)->type == CX231XX_VMUX_TELEVISION ||
1224            INPUT(i)->type == CX231XX_VMUX_CABLE) {
1225                /* There's a tuner, so reset the standard and put it on the
1226                   last known frequency (since it was probably powered down
1227                   until now */
1228                call_all(dev, core, s_std, dev->norm);
1229        }
1230
1231        return 0;
1232}
1233
1234static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
1235{
1236        struct cx231xx_fh *fh = priv;
1237        struct cx231xx *dev = fh->dev;
1238
1239        switch (a->index) {
1240        case CX231XX_AMUX_VIDEO:
1241                strcpy(a->name, "Television");
1242                break;
1243        case CX231XX_AMUX_LINE_IN:
1244                strcpy(a->name, "Line In");
1245                break;
1246        default:
1247                return -EINVAL;
1248        }
1249
1250        a->index = dev->ctl_ainput;
1251        a->capability = V4L2_AUDCAP_STEREO;
1252
1253        return 0;
1254}
1255
1256static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
1257{
1258        struct cx231xx_fh *fh = priv;
1259        struct cx231xx *dev = fh->dev;
1260        int status = 0;
1261
1262        /* Doesn't allow manual routing */
1263        if (a->index != dev->ctl_ainput)
1264                return -EINVAL;
1265
1266        dev->ctl_ainput = INPUT(a->index)->amux;
1267        status = cx231xx_set_audio_input(dev, dev->ctl_ainput);
1268
1269        return status;
1270}
1271
1272static int vidioc_queryctrl(struct file *file, void *priv,
1273                            struct v4l2_queryctrl *qc)
1274{
1275        struct cx231xx_fh *fh = priv;
1276        struct cx231xx *dev = fh->dev;
1277        int id = qc->id;
1278        int i;
1279        int rc;
1280
1281        rc = check_dev(dev);
1282        if (rc < 0)
1283                return rc;
1284
1285        qc->id = v4l2_ctrl_next(ctrl_classes, qc->id);
1286        if (unlikely(qc->id == 0))
1287                return -EINVAL;
1288
1289        memset(qc, 0, sizeof(*qc));
1290
1291        qc->id = id;
1292
1293        if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1)
1294                return -EINVAL;
1295
1296        for (i = 0; i < CX231XX_CTLS; i++)
1297                if (cx231xx_ctls[i].v.id == qc->id)
1298                        break;
1299
1300        if (i == CX231XX_CTLS) {
1301                *qc = no_ctl;
1302                return 0;
1303        }
1304        *qc = cx231xx_ctls[i].v;
1305
1306        call_all(dev, core, queryctrl, qc);
1307
1308        if (qc->type)
1309                return 0;
1310        else
1311                return -EINVAL;
1312}
1313
1314static int vidioc_g_ctrl(struct file *file, void *priv,
1315                         struct v4l2_control *ctrl)
1316{
1317        struct cx231xx_fh *fh = priv;
1318        struct cx231xx *dev = fh->dev;
1319        int rc;
1320
1321        rc = check_dev(dev);
1322        if (rc < 0)
1323                return rc;
1324
1325        call_all(dev, core, g_ctrl, ctrl);
1326        return rc;
1327}
1328
1329static int vidioc_s_ctrl(struct file *file, void *priv,
1330                         struct v4l2_control *ctrl)
1331{
1332        struct cx231xx_fh *fh = priv;
1333        struct cx231xx *dev = fh->dev;
1334        int rc;
1335
1336        rc = check_dev(dev);
1337        if (rc < 0)
1338                return rc;
1339
1340        call_all(dev, core, s_ctrl, ctrl);
1341        return rc;
1342}
1343
1344static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1345{
1346        struct cx231xx_fh *fh = priv;
1347        struct cx231xx *dev = fh->dev;
1348        int rc;
1349
1350        rc = check_dev(dev);
1351        if (rc < 0)
1352                return rc;
1353
1354        if (0 != t->index)
1355                return -EINVAL;
1356
1357        strcpy(t->name, "Tuner");
1358
1359        t->type = V4L2_TUNER_ANALOG_TV;
1360        t->capability = V4L2_TUNER_CAP_NORM;
1361        t->rangehigh = 0xffffffffUL;
1362        t->signal = 0xffff;     /* LOCKED */
1363
1364        return 0;
1365}
1366
1367static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1368{
1369        struct cx231xx_fh *fh = priv;
1370        struct cx231xx *dev = fh->dev;
1371        int rc;
1372
1373        rc = check_dev(dev);
1374        if (rc < 0)
1375                return rc;
1376
1377        if (0 != t->index)
1378                return -EINVAL;
1379#if 0
1380        call_all(dev, tuner, s_tuner, t);
1381#endif
1382        return 0;
1383}
1384
1385static int vidioc_g_frequency(struct file *file, void *priv,
1386                              struct v4l2_frequency *f)
1387{
1388        struct cx231xx_fh *fh = priv;
1389        struct cx231xx *dev = fh->dev;
1390
1391        f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1392        f->frequency = dev->ctl_freq;
1393
1394        call_all(dev, tuner, g_frequency, f);
1395
1396        return 0;
1397}
1398
1399static int vidioc_s_frequency(struct file *file, void *priv,
1400                              struct v4l2_frequency *f)
1401{
1402        struct cx231xx_fh *fh = priv;
1403        struct cx231xx *dev = fh->dev;
1404        int rc;
1405        u32 if_frequency = 5400000;
1406
1407        cx231xx_info("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
1408                 f->frequency, f->type);
1409        /*cx231xx_info("f->type:  1-radio 2-analogTV 3-digitalTV\n");*/
1410
1411        rc = check_dev(dev);
1412        if (rc < 0)
1413                return rc;
1414
1415        if (0 != f->tuner)
1416                return -EINVAL;
1417
1418        if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1419                return -EINVAL;
1420        if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1421                return -EINVAL;
1422
1423        /* set pre channel change settings in DIF first */
1424        rc = cx231xx_tuner_pre_channel_change(dev);
1425
1426        dev->ctl_freq = f->frequency;
1427        call_all(dev, tuner, s_frequency, f);
1428
1429        /* set post channel change settings in DIF first */
1430        rc = cx231xx_tuner_post_channel_change(dev);
1431
1432        if (dev->tuner_type == TUNER_NXP_TDA18271) {
1433                if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443))
1434                        if_frequency = 5400000;  /*5.4MHz       */
1435                else if (dev->norm & V4L2_STD_B)
1436                        if_frequency = 6000000;  /*6.0MHz       */
1437                else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK))
1438                        if_frequency = 6900000;  /*6.9MHz       */
1439                else if (dev->norm & V4L2_STD_GH)
1440                        if_frequency = 7100000;  /*7.1MHz       */
1441                else if (dev->norm & V4L2_STD_PAL_I)
1442                        if_frequency = 7250000;  /*7.25MHz      */
1443                else if (dev->norm & V4L2_STD_SECAM_L)
1444                        if_frequency = 6900000;  /*6.9MHz       */
1445                else if (dev->norm & V4L2_STD_SECAM_LC)
1446                        if_frequency = 1250000;  /*1.25MHz      */
1447
1448                cx231xx_info("if_frequency is set to %d\n", if_frequency);
1449                cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1);
1450
1451                update_HH_register_after_set_DIF(dev);
1452        }
1453
1454        cx231xx_info("Set New FREQUENCY to %d\n", f->frequency);
1455
1456        return rc;
1457}
1458
1459#ifdef CONFIG_VIDEO_ADV_DEBUG
1460
1461/*
1462  -R, --list-registers=type=<host/i2cdrv/i2caddr>,
1463                                chip=<chip>[,min=<addr>,max=<addr>]
1464                     dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER]
1465  -r, --set-register=type=<host/i2cdrv/i2caddr>,
1466                                chip=<chip>,reg=<addr>,val=<val>
1467                     set the register [VIDIOC_DBG_S_REGISTER]
1468
1469  if type == host, then <chip> is the hosts chip ID (default 0)
1470  if type == i2cdrv (default), then <chip> is the I2C driver name or ID
1471  if type == i2caddr, then <chip> is the 7-bit I2C address
1472*/
1473
1474static int vidioc_g_register(struct file *file, void *priv,
1475                             struct v4l2_dbg_register *reg)
1476{
1477        struct cx231xx_fh *fh = priv;
1478        struct cx231xx *dev = fh->dev;
1479        int ret = 0;
1480        u8 value[4] = { 0, 0, 0, 0 };
1481        u32 data = 0;
1482
1483        switch (reg->match.type) {
1484        case V4L2_CHIP_MATCH_HOST:
1485                switch (reg->match.addr) {
1486                case 0: /* Cx231xx - internal registers */
1487                        ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1488                                                  (u16)reg->reg, value, 4);
1489                        reg->val = value[0] | value[1] << 8 |
1490                                   value[2] << 16 | value[3] << 24;
1491                        break;
1492                case 1: /* AFE - read byte */
1493                        ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1494                                                  (u16)reg->reg, 2, &data, 1);
1495                        reg->val = le32_to_cpu(data & 0xff);
1496                        break;
1497                case 14: /* AFE - read dword */
1498                        ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1499                                                  (u16)reg->reg, 2, &data, 4);
1500                        reg->val = le32_to_cpu(data);
1501                        break;
1502                case 2: /* Video Block - read byte */
1503                        ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1504                                                  (u16)reg->reg, 2, &data, 1);
1505                        reg->val = le32_to_cpu(data & 0xff);
1506                        break;
1507                case 24: /* Video Block - read dword */
1508                        ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1509                                                  (u16)reg->reg, 2, &data, 4);
1510                        reg->val = le32_to_cpu(data);
1511                        break;
1512                case 3: /* I2S block - read byte */
1513                        ret = cx231xx_read_i2c_data(dev,
1514                                                    I2S_BLK_DEVICE_ADDRESS,
1515                                                    (u16)reg->reg, 1,
1516                                                    &data, 1);
1517                        reg->val = le32_to_cpu(data & 0xff);
1518                        break;
1519                case 34: /* I2S Block - read dword */
1520                        ret =
1521                            cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1522                                                  (u16)reg->reg, 1, &data, 4);
1523                        reg->val = le32_to_cpu(data);
1524                        break;
1525                }
1526                return ret < 0 ? ret : 0;
1527
1528        case V4L2_CHIP_MATCH_I2C_DRIVER:
1529                call_all(dev, core, g_register, reg);
1530                return 0;
1531        case V4L2_CHIP_MATCH_I2C_ADDR:/*for register debug*/
1532                switch (reg->match.addr) {
1533                case 0: /* Cx231xx - internal registers */
1534                        ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1535                                                  (u16)reg->reg, value, 4);
1536                        reg->val = value[0] | value[1] << 8 |
1537                                   value[2] << 16 | value[3] << 24;
1538
1539                        break;
1540                case 0x600:/* AFE - read byte */
1541                        ret = cx231xx_read_i2c_master(dev, AFE_DEVICE_ADDRESS,
1542                                                 (u16)reg->reg, 2,
1543                                                 &data, 1 , 0);
1544                        reg->val = le32_to_cpu(data & 0xff);
1545                        break;
1546
1547                case 0x880:/* Video Block - read byte */
1548                        if (reg->reg < 0x0b) {
1549                                ret = cx231xx_read_i2c_master(dev,
1550                                                VID_BLK_I2C_ADDRESS,
1551                                                 (u16)reg->reg, 2,
1552                                                 &data, 1 , 0);
1553                                reg->val = le32_to_cpu(data & 0xff);
1554                        } else {
1555                                ret = cx231xx_read_i2c_master(dev,
1556                                                VID_BLK_I2C_ADDRESS,
1557                                                 (u16)reg->reg, 2,
1558                                                 &data, 4 , 0);
1559                                reg->val = le32_to_cpu(data);
1560                        }
1561                        break;
1562                case 0x980:
1563                        ret = cx231xx_read_i2c_master(dev,
1564                                                I2S_BLK_DEVICE_ADDRESS,
1565                                                (u16)reg->reg, 1,
1566                                                &data, 1 , 0);
1567                        reg->val = le32_to_cpu(data & 0xff);
1568                        break;
1569                case 0x400:
1570                        ret =
1571                            cx231xx_read_i2c_master(dev, 0x40,
1572                                                  (u16)reg->reg, 1,
1573                                                 &data, 1 , 0);
1574                        reg->val = le32_to_cpu(data & 0xff);
1575                        break;
1576                case 0xc01:
1577                        ret =
1578                                cx231xx_read_i2c_master(dev, 0xc0,
1579                                                (u16)reg->reg, 2,
1580                                                 &data, 38, 1);
1581                        reg->val = le32_to_cpu(data);
1582                        break;
1583                case 0x022:
1584                        ret =
1585                                cx231xx_read_i2c_master(dev, 0x02,
1586                                                (u16)reg->reg, 1,
1587                                                 &data, 1, 2);
1588                        reg->val = le32_to_cpu(data & 0xff);
1589                        break;
1590                case 0x322:
1591                        ret = cx231xx_read_i2c_master(dev,
1592                                                0x32,
1593                                                 (u16)reg->reg, 1,
1594                                                 &data, 4 , 2);
1595                                reg->val = le32_to_cpu(data);
1596                        break;
1597                case 0x342:
1598                        ret = cx231xx_read_i2c_master(dev,
1599                                                0x34,
1600                                                 (u16)reg->reg, 1,
1601                                                 &data, 4 , 2);
1602                                reg->val = le32_to_cpu(data);
1603                        break;
1604
1605                default:
1606                        cx231xx_info("no match device address!!\n");
1607                        break;
1608                        }
1609                return ret < 0 ? ret : 0;
1610                /*return -EINVAL;*/
1611        default:
1612                if (!v4l2_chip_match_host(&reg->match))
1613                        return -EINVAL;
1614        }
1615
1616        call_all(dev, core, g_register, reg);
1617
1618        return ret;
1619}
1620
1621static int vidioc_s_register(struct file *file, void *priv,
1622                             struct v4l2_dbg_register *reg)
1623{
1624        struct cx231xx_fh *fh = priv;
1625        struct cx231xx *dev = fh->dev;
1626        int ret = 0;
1627        __le64 buf;
1628        u32 value;
1629        u8 data[4] = { 0, 0, 0, 0 };
1630
1631        buf = cpu_to_le64(reg->val);
1632
1633        switch (reg->match.type) {
1634        case V4L2_CHIP_MATCH_HOST:
1635                {
1636                        value = (u32) buf & 0xffffffff;
1637
1638                        switch (reg->match.addr) {
1639                        case 0: /* cx231xx internal registers */
1640                                data[0] = (u8) value;
1641                                data[1] = (u8) (value >> 8);
1642                                data[2] = (u8) (value >> 16);
1643                                data[3] = (u8) (value >> 24);
1644                                ret = cx231xx_write_ctrl_reg(dev,
1645                                                           VRT_SET_REGISTER,
1646                                                           (u16)reg->reg, data,
1647                                                           4);
1648                                break;
1649                        case 1: /* AFE - read byte */
1650                                ret = cx231xx_write_i2c_data(dev,
1651                                                        AFE_DEVICE_ADDRESS,
1652                                                        (u16)reg->reg, 2,
1653                                                        value, 1);
1654                                break;
1655                        case 14: /* AFE - read dword */
1656                                ret = cx231xx_write_i2c_data(dev,
1657                                                        AFE_DEVICE_ADDRESS,
1658                                                        (u16)reg->reg, 2,
1659                                                        value, 4);
1660                                break;
1661                        case 2: /* Video Block - read byte */
1662                                ret =
1663                                    cx231xx_write_i2c_data(dev,
1664                                                        VID_BLK_I2C_ADDRESS,
1665                                                        (u16)reg->reg, 2,
1666                                                        value, 1);
1667                                break;
1668                        case 24: /* Video Block - read dword */
1669                                ret =
1670                                    cx231xx_write_i2c_data(dev,
1671                                                        VID_BLK_I2C_ADDRESS,
1672                                                        (u16)reg->reg, 2,
1673                                                        value, 4);
1674                                break;
1675                        case 3: /* I2S block - read byte */
1676                                ret =
1677                                    cx231xx_write_i2c_data(dev,
1678                                                        I2S_BLK_DEVICE_ADDRESS,
1679                                                        (u16)reg->reg, 1,
1680                                                        value, 1);
1681                                break;
1682                        case 34: /* I2S block - read dword */
1683                                ret =
1684                                    cx231xx_write_i2c_data(dev,
1685                                                        I2S_BLK_DEVICE_ADDRESS,
1686                                                        (u16)reg->reg, 1,
1687                                                        value, 4);
1688                                break;
1689                        }
1690                }
1691                return ret < 0 ? ret : 0;
1692        case V4L2_CHIP_MATCH_I2C_ADDR:
1693                {
1694                        value = (u32) buf & 0xffffffff;
1695
1696                        switch (reg->match.addr) {
1697                        case 0:/*cx231xx internal registers*/
1698                                        data[0] = (u8) value;
1699                                        data[1] = (u8) (value >> 8);
1700                                        data[2] = (u8) (value >> 16);
1701                                        data[3] = (u8) (value >> 24);
1702                                        ret = cx231xx_write_ctrl_reg(dev,
1703                                                           VRT_SET_REGISTER,
1704                                                           (u16)reg->reg, data,
1705                                                           4);
1706                                        break;
1707                        case 0x600:/* AFE - read byte */
1708                                        ret = cx231xx_write_i2c_master(dev,
1709                                                        AFE_DEVICE_ADDRESS,
1710                                                        (u16)reg->reg, 2,
1711                                                        value, 1 , 0);
1712                                        break;
1713
1714                        case 0x880:/* Video Block - read byte */
1715                                        if (reg->reg < 0x0b)
1716                                                cx231xx_write_i2c_master(dev,
1717                                                        VID_BLK_I2C_ADDRESS,
1718                                                        (u16)reg->reg, 2,
1719                                                        value, 1, 0);
1720                                        else
1721                                                cx231xx_write_i2c_master(dev,
1722                                                        VID_BLK_I2C_ADDRESS,
1723                                                        (u16)reg->reg, 2,
1724                                                        value, 4, 0);
1725                                        break;
1726                        case 0x980:
1727                                        ret =
1728                                                cx231xx_write_i2c_master(dev,
1729                                                        I2S_BLK_DEVICE_ADDRESS,
1730                                                        (u16)reg->reg, 1,
1731                                                        value, 1, 0);
1732                                        break;
1733                        case 0x400:
1734                                        ret =
1735                                                cx231xx_write_i2c_master(dev,
1736                                                        0x40,
1737                                                        (u16)reg->reg, 1,
1738                                                        value, 1, 0);
1739                                        break;
1740                        case 0xc01:
1741                                        ret =
1742                                                cx231xx_write_i2c_master(dev,
1743                                                         0xc0,
1744                                                         (u16)reg->reg, 1,
1745                                                         value, 1, 1);
1746                                        break;
1747
1748                        case 0x022:
1749                                        ret =
1750                                                cx231xx_write_i2c_master(dev,
1751                                                        0x02,
1752                                                        (u16)reg->reg, 1,
1753                                                        value, 1, 2);
1754                        case 0x322:
1755                                        ret =
1756                                                cx231xx_write_i2c_master(dev,
1757                                                        0x32,
1758                                                        (u16)reg->reg, 1,
1759                                                        value, 4, 2);
1760                                        break;
1761
1762                        case 0x342:
1763                                        ret =
1764                                                cx231xx_write_i2c_master(dev,
1765                                                        0x34,
1766                                                        (u16)reg->reg, 1,
1767                                                        value, 4, 2);
1768                                        break;
1769                        default:
1770                                cx231xx_info("no match device address, "
1771                                        "the value is %x\n", reg->match.addr);
1772                                        break;
1773
1774                                        }
1775
1776                }
1777        default:
1778                break;
1779        }
1780
1781        call_all(dev, core, s_register, reg);
1782
1783        return ret;
1784}
1785#endif
1786
1787static int vidioc_cropcap(struct file *file, void *priv,
1788                          struct v4l2_cropcap *cc)
1789{
1790        struct cx231xx_fh *fh = priv;
1791        struct cx231xx *dev = fh->dev;
1792
1793        if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1794                return -EINVAL;
1795
1796        cc->bounds.left = 0;
1797        cc->bounds.top = 0;
1798        cc->bounds.width = dev->width;
1799        cc->bounds.height = dev->height;
1800        cc->defrect = cc->bounds;
1801        cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
1802        cc->pixelaspect.denominator = 59;
1803
1804        return 0;
1805}
1806
1807static int vidioc_streamon(struct file *file, void *priv,
1808                           enum v4l2_buf_type type)
1809{
1810        struct cx231xx_fh *fh = priv;
1811        struct cx231xx *dev = fh->dev;
1812        int rc;
1813
1814        rc = check_dev(dev);
1815        if (rc < 0)
1816                return rc;
1817
1818        rc = res_get(fh);
1819
1820        if (likely(rc >= 0))
1821                rc = videobuf_streamon(&fh->vb_vidq);
1822
1823        call_all(dev, video, s_stream, 1);
1824
1825        return rc;
1826}
1827
1828static int vidioc_streamoff(struct file *file, void *priv,
1829                            enum v4l2_buf_type type)
1830{
1831        struct cx231xx_fh *fh = priv;
1832        struct cx231xx *dev = fh->dev;
1833        int rc;
1834
1835        rc = check_dev(dev);
1836        if (rc < 0)
1837                return rc;
1838
1839        if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1840            (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1841                return -EINVAL;
1842        if (type != fh->type)
1843                return -EINVAL;
1844
1845        cx25840_call(dev, video, s_stream, 0);
1846
1847        videobuf_streamoff(&fh->vb_vidq);
1848        res_free(fh);
1849
1850        return 0;
1851}
1852
1853static int vidioc_querycap(struct file *file, void *priv,
1854                           struct v4l2_capability *cap)
1855{
1856        struct cx231xx_fh *fh = priv;
1857        struct cx231xx *dev = fh->dev;
1858
1859        strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
1860        strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
1861        usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
1862
1863        cap->capabilities = V4L2_CAP_VBI_CAPTURE |
1864#if 0
1865                V4L2_CAP_SLICED_VBI_CAPTURE |
1866#endif
1867                V4L2_CAP_VIDEO_CAPTURE  |
1868                V4L2_CAP_AUDIO          |
1869                V4L2_CAP_READWRITE      |
1870                V4L2_CAP_STREAMING;
1871
1872        if (dev->tuner_type != TUNER_ABSENT)
1873                cap->capabilities |= V4L2_CAP_TUNER;
1874
1875        return 0;
1876}
1877
1878static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1879                                   struct v4l2_fmtdesc *f)
1880{
1881        if (unlikely(f->index >= ARRAY_SIZE(format)))
1882                return -EINVAL;
1883
1884        strlcpy(f->description, format[f->index].name, sizeof(f->description));
1885        f->pixelformat = format[f->index].fourcc;
1886
1887        return 0;
1888}
1889
1890/* Sliced VBI ioctls */
1891static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
1892                                       struct v4l2_format *f)
1893{
1894        struct cx231xx_fh *fh = priv;
1895        struct cx231xx *dev = fh->dev;
1896        int rc;
1897
1898        rc = check_dev(dev);
1899        if (rc < 0)
1900                return rc;
1901
1902        f->fmt.sliced.service_set = 0;
1903
1904        call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1905
1906        if (f->fmt.sliced.service_set == 0)
1907                rc = -EINVAL;
1908
1909        return rc;
1910}
1911
1912static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
1913                                         struct v4l2_format *f)
1914{
1915        struct cx231xx_fh *fh = priv;
1916        struct cx231xx *dev = fh->dev;
1917        int rc;
1918
1919        rc = check_dev(dev);
1920        if (rc < 0)
1921                return rc;
1922
1923        call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
1924
1925        if (f->fmt.sliced.service_set == 0)
1926                return -EINVAL;
1927
1928        return 0;
1929}
1930
1931/* RAW VBI ioctls */
1932
1933static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
1934                                struct v4l2_format *f)
1935{
1936        struct cx231xx_fh *fh = priv;
1937        struct cx231xx *dev = fh->dev;
1938        f->fmt.vbi.sampling_rate = 6750000 * 4;
1939        f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1940        f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1941        f->fmt.vbi.offset = 0;
1942        f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1943            PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1944        f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1945            PAL_VBI_LINES : NTSC_VBI_LINES;
1946        f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1947            PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1948        f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1949
1950        return 0;
1951
1952}
1953
1954static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
1955                                  struct v4l2_format *f)
1956{
1957        struct cx231xx_fh *fh = priv;
1958        struct cx231xx *dev = fh->dev;
1959
1960        if (dev->vbi_stream_on && !fh->stream_on) {
1961                cx231xx_errdev("%s device in use by another fh\n", __func__);
1962                return -EBUSY;
1963        }
1964
1965        f->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1966        f->fmt.vbi.sampling_rate = 6750000 * 4;
1967        f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1968        f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1969        f->fmt.vbi.offset = 0;
1970        f->fmt.vbi.flags = 0;
1971        f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1972            PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1973        f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1974            PAL_VBI_LINES : NTSC_VBI_LINES;
1975        f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1976            PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1977        f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1978
1979        return 0;
1980
1981}
1982
1983static int vidioc_reqbufs(struct file *file, void *priv,
1984                          struct v4l2_requestbuffers *rb)
1985{
1986        struct cx231xx_fh *fh = priv;
1987        struct cx231xx *dev = fh->dev;
1988        int rc;
1989
1990        rc = check_dev(dev);
1991        if (rc < 0)
1992                return rc;
1993
1994        return videobuf_reqbufs(&fh->vb_vidq, rb);
1995}
1996
1997static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
1998{
1999        struct cx231xx_fh *fh = priv;
2000        struct cx231xx *dev = fh->dev;
2001        int rc;
2002
2003        rc = check_dev(dev);
2004        if (rc < 0)
2005                return rc;
2006
2007        return videobuf_querybuf(&fh->vb_vidq, b);
2008}
2009
2010static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2011{
2012        struct cx231xx_fh *fh = priv;
2013        struct cx231xx *dev = fh->dev;
2014        int rc;
2015
2016        rc = check_dev(dev);
2017        if (rc < 0)
2018                return rc;
2019
2020        return videobuf_qbuf(&fh->vb_vidq, b);
2021}
2022
2023static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2024{
2025        struct cx231xx_fh *fh = priv;
2026        struct cx231xx *dev = fh->dev;
2027        int rc;
2028
2029        rc = check_dev(dev);
2030        if (rc < 0)
2031                return rc;
2032
2033        return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
2034}
2035
2036/* ----------------------------------------------------------- */
2037/* RADIO ESPECIFIC IOCTLS                                      */
2038/* ----------------------------------------------------------- */
2039
2040static int radio_querycap(struct file *file, void *priv,
2041                          struct v4l2_capability *cap)
2042{
2043        struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2044
2045        strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
2046        strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
2047        usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
2048
2049        cap->capabilities = V4L2_CAP_TUNER;
2050        return 0;
2051}
2052
2053static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2054{
2055        struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2056
2057        if (unlikely(t->index > 0))
2058                return -EINVAL;
2059
2060        strcpy(t->name, "Radio");
2061        t->type = V4L2_TUNER_RADIO;
2062
2063        call_all(dev, tuner, s_tuner, t);
2064
2065        return 0;
2066}
2067
2068static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i)
2069{
2070        if (i->index != 0)
2071                return -EINVAL;
2072        strcpy(i->name, "Radio");
2073        i->type = V4L2_INPUT_TYPE_TUNER;
2074
2075        return 0;
2076}
2077
2078static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2079{
2080        if (unlikely(a->index))
2081                return -EINVAL;
2082
2083        strcpy(a->name, "Radio");
2084        return 0;
2085}
2086
2087static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
2088{
2089        struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
2090
2091        if (0 != t->index)
2092                return -EINVAL;
2093
2094        call_all(dev, tuner, s_tuner, t);
2095
2096        return 0;
2097}
2098
2099static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
2100{
2101        return 0;
2102}
2103
2104static int radio_s_input(struct file *file, void *fh, unsigned int i)
2105{
2106        return 0;
2107}
2108
2109static int radio_queryctrl(struct file *file, void *priv,
2110                           struct v4l2_queryctrl *c)
2111{
2112        int i;
2113
2114        if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1)
2115                return -EINVAL;
2116        if (c->id == V4L2_CID_AUDIO_MUTE) {
2117                for (i = 0; i < CX231XX_CTLS; i++) {
2118                        if (cx231xx_ctls[i].v.id == c->id)
2119                                break;
2120                }
2121                if (i == CX231XX_CTLS)
2122                        return -EINVAL;
2123                *c = cx231xx_ctls[i].v;
2124        } else
2125                *c = no_ctl;
2126        return 0;
2127}
2128
2129/*
2130 * cx231xx_v4l2_open()
2131 * inits the device and starts isoc transfer
2132 */
2133static int cx231xx_v4l2_open(struct file *filp)
2134{
2135        int errCode = 0, radio = 0;
2136        struct video_device *vdev = video_devdata(filp);
2137        struct cx231xx *dev = video_drvdata(filp);
2138        struct cx231xx_fh *fh;
2139        enum v4l2_buf_type fh_type = 0;
2140
2141        switch (vdev->vfl_type) {
2142        case VFL_TYPE_GRABBER:
2143                fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2144                break;
2145        case VFL_TYPE_VBI:
2146                fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
2147                break;
2148        case VFL_TYPE_RADIO:
2149                radio = 1;
2150                break;
2151        }
2152
2153        cx231xx_videodbg("open dev=%s type=%s users=%d\n",
2154                         video_device_node_name(vdev), v4l2_type_names[fh_type],
2155                         dev->users);
2156
2157#if 0
2158        errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2159        if (errCode < 0) {
2160                cx231xx_errdev
2161                    ("Device locked on digital mode. Can't open analog\n");
2162                return -EBUSY;
2163        }
2164#endif
2165
2166        fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
2167        if (!fh) {
2168                cx231xx_errdev("cx231xx-video.c: Out of memory?!\n");
2169                return -ENOMEM;
2170        }
2171        fh->dev = dev;
2172        fh->radio = radio;
2173        fh->type = fh_type;
2174        filp->private_data = fh;
2175
2176        if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
2177                dev->width = norm_maxw(dev);
2178                dev->height = norm_maxh(dev);
2179
2180                /* Power up in Analog TV mode */
2181                if (dev->board.external_av)
2182                        cx231xx_set_power_mode(dev,
2183                                 POLARIS_AVMODE_ENXTERNAL_AV);
2184                else
2185                        cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
2186
2187#if 0
2188                cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
2189#endif
2190
2191                /* set video alternate setting */
2192                cx231xx_set_video_alternate(dev);
2193
2194                /* Needed, since GPIO might have disabled power of
2195                   some i2c device */
2196                cx231xx_config_i2c(dev);
2197
2198                /* device needs to be initialized before isoc transfer */
2199                dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
2200
2201        }
2202        if (fh->radio) {
2203                cx231xx_videodbg("video_open: setting radio device\n");
2204
2205                /* cx231xx_start_radio(dev); */
2206
2207                call_all(dev, tuner, s_radio);
2208        }
2209
2210        dev->users++;
2211
2212        if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
2213                videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
2214                                            NULL, &dev->video_mode.slock,
2215                                            fh->type, V4L2_FIELD_INTERLACED,
2216                                            sizeof(struct cx231xx_buffer),
2217                                            fh, &dev->lock);
2218        if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2219                /* Set the required alternate setting  VBI interface works in
2220                   Bulk mode only */
2221                cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2222
2223                videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
2224                                            NULL, &dev->vbi_mode.slock,
2225                                            fh->type, V4L2_FIELD_SEQ_TB,
2226                                            sizeof(struct cx231xx_buffer),
2227                                            fh, &dev->lock);
2228        }
2229
2230        return errCode;
2231}
2232
2233/*
2234 * cx231xx_realease_resources()
2235 * unregisters the v4l2,i2c and usb devices
2236 * called when the device gets disconected or at module unload
2237*/
2238void cx231xx_release_analog_resources(struct cx231xx *dev)
2239{
2240
2241        /*FIXME: I2C IR should be disconnected */
2242
2243        if (dev->radio_dev) {
2244                if (video_is_registered(dev->radio_dev))
2245                        video_unregister_device(dev->radio_dev);
2246                else
2247                        video_device_release(dev->radio_dev);
2248                dev->radio_dev = NULL;
2249        }
2250        if (dev->vbi_dev) {
2251                cx231xx_info("V4L2 device %s deregistered\n",
2252                             video_device_node_name(dev->vbi_dev));
2253                if (video_is_registered(dev->vbi_dev))
2254                        video_unregister_device(dev->vbi_dev);
2255                else
2256                        video_device_release(dev->vbi_dev);
2257                dev->vbi_dev = NULL;
2258        }
2259        if (dev->vdev) {
2260                cx231xx_info("V4L2 device %s deregistered\n",
2261                             video_device_node_name(dev->vdev));
2262
2263                if (dev->board.has_417)
2264                        cx231xx_417_unregister(dev);
2265
2266                if (video_is_registered(dev->vdev))
2267                        video_unregister_device(dev->vdev);
2268                else
2269                        video_device_release(dev->vdev);
2270                dev->vdev = NULL;
2271        }
2272}
2273
2274/*
2275 * cx231xx_v4l2_close()
2276 * stops streaming and deallocates all resources allocated by the v4l2
2277 * calls and ioctls
2278 */
2279static int cx231xx_v4l2_close(struct file *filp)
2280{
2281        struct cx231xx_fh *fh = filp->private_data;
2282        struct cx231xx *dev = fh->dev;
2283
2284        cx231xx_videodbg("users=%d\n", dev->users);
2285
2286        cx231xx_videodbg("users=%d\n", dev->users);
2287        if (res_check(fh))
2288                res_free(fh);
2289
2290        /*
2291         * To workaround error number=-71 on EP0 for VideoGrabber,
2292         *       need exclude following.
2293         * FIXME: It is probably safe to remove most of these, as we're
2294         * now avoiding the alternate setting for INDEX_VANC
2295         */
2296        if (!dev->board.no_alt_vanc)
2297                if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
2298                        videobuf_stop(&fh->vb_vidq);
2299                        videobuf_mmap_free(&fh->vb_vidq);
2300
2301                        /* the device is already disconnect,
2302                           free the remaining resources */
2303                        if (dev->state & DEV_DISCONNECTED) {
2304                                if (atomic_read(&dev->devlist_count) > 0) {
2305                                        cx231xx_release_resources(dev);
2306                                        fh->dev = NULL;
2307                                        return 0;
2308                                }
2309                                return 0;
2310                        }
2311
2312                        /* do this before setting alternate! */
2313                        cx231xx_uninit_vbi_isoc(dev);
2314
2315                        /* set alternate 0 */
2316                        if (!dev->vbi_or_sliced_cc_mode)
2317                                cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
2318                        else
2319                                cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
2320
2321                        kfree(fh);
2322                        dev->users--;
2323                        wake_up_interruptible_nr(&dev->open, 1);
2324                        return 0;
2325                }
2326
2327        dev->users--;
2328        if (!dev->users) {
2329                videobuf_stop(&fh->vb_vidq);
2330                videobuf_mmap_free(&fh->vb_vidq);
2331
2332                /* the device is already disconnect,
2333                   free the remaining resources */
2334                if (dev->state & DEV_DISCONNECTED) {
2335                        cx231xx_release_resources(dev);
2336                        fh->dev = NULL;
2337                        return 0;
2338                }
2339
2340                /* Save some power by putting tuner to sleep */
2341                call_all(dev, core, s_power, 0);
2342
2343                /* do this before setting alternate! */
2344                if (dev->USE_ISO)
2345                        cx231xx_uninit_isoc(dev);
2346                else
2347                        cx231xx_uninit_bulk(dev);
2348                cx231xx_set_mode(dev, CX231XX_SUSPEND);
2349
2350                /* set alternate 0 */
2351                cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
2352        }
2353        kfree(fh);
2354        wake_up_interruptible_nr(&dev->open, 1);
2355        return 0;
2356}
2357
2358/*
2359 * cx231xx_v4l2_read()
2360 * will allocate buffers when called for the first time
2361 */
2362static ssize_t
2363cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
2364                  loff_t *pos)
2365{
2366        struct cx231xx_fh *fh = filp->private_data;
2367        struct cx231xx *dev = fh->dev;
2368        int rc;
2369
2370        rc = check_dev(dev);
2371        if (rc < 0)
2372                return rc;
2373
2374        if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
2375            (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
2376                rc = res_get(fh);
2377
2378                if (unlikely(rc < 0))
2379                        return rc;
2380
2381                return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
2382                                            filp->f_flags & O_NONBLOCK);
2383        }
2384        return 0;
2385}
2386
2387/*
2388 * cx231xx_v4l2_poll()
2389 * will allocate buffers when called for the first time
2390 */
2391static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
2392{
2393        struct cx231xx_fh *fh = filp->private_data;
2394        struct cx231xx *dev = fh->dev;
2395        int rc;
2396
2397        rc = check_dev(dev);
2398        if (rc < 0)
2399                return rc;
2400
2401        rc = res_get(fh);
2402
2403        if (unlikely(rc < 0))
2404                return POLLERR;
2405
2406        if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
2407            (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type))
2408                return videobuf_poll_stream(filp, &fh->vb_vidq, wait);
2409        else
2410                return POLLERR;
2411}
2412
2413/*
2414 * cx231xx_v4l2_mmap()
2415 */
2416static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
2417{
2418        struct cx231xx_fh *fh = filp->private_data;
2419        struct cx231xx *dev = fh->dev;
2420        int rc;
2421
2422        rc = check_dev(dev);
2423        if (rc < 0)
2424                return rc;
2425
2426        rc = res_get(fh);
2427
2428        if (unlikely(rc < 0))
2429                return rc;
2430
2431        rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
2432
2433        cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
2434                         (unsigned long)vma->vm_start,
2435                         (unsigned long)vma->vm_end -
2436                         (unsigned long)vma->vm_start, rc);
2437
2438        return rc;
2439}
2440
2441static const struct v4l2_file_operations cx231xx_v4l_fops = {
2442        .owner   = THIS_MODULE,
2443        .open    = cx231xx_v4l2_open,
2444        .release = cx231xx_v4l2_close,
2445        .read    = cx231xx_v4l2_read,
2446        .poll    = cx231xx_v4l2_poll,
2447        .mmap    = cx231xx_v4l2_mmap,
2448        .unlocked_ioctl   = video_ioctl2,
2449};
2450
2451static const struct v4l2_ioctl_ops video_ioctl_ops = {
2452        .vidioc_querycap               = vidioc_querycap,
2453        .vidioc_enum_fmt_vid_cap       = vidioc_enum_fmt_vid_cap,
2454        .vidioc_g_fmt_vid_cap          = vidioc_g_fmt_vid_cap,
2455        .vidioc_try_fmt_vid_cap        = vidioc_try_fmt_vid_cap,
2456        .vidioc_s_fmt_vid_cap          = vidioc_s_fmt_vid_cap,
2457        .vidioc_g_fmt_vbi_cap          = vidioc_g_fmt_vbi_cap,
2458        .vidioc_try_fmt_vbi_cap        = vidioc_try_fmt_vbi_cap,
2459        .vidioc_s_fmt_vbi_cap          = vidioc_try_fmt_vbi_cap,
2460        .vidioc_g_audio                =  vidioc_g_audio,
2461        .vidioc_s_audio                = vidioc_s_audio,
2462        .vidioc_cropcap                = vidioc_cropcap,
2463        .vidioc_g_fmt_sliced_vbi_cap   = vidioc_g_fmt_sliced_vbi_cap,
2464        .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
2465        .vidioc_reqbufs                = vidioc_reqbufs,
2466        .vidioc_querybuf               = vidioc_querybuf,
2467        .vidioc_qbuf                   = vidioc_qbuf,
2468        .vidioc_dqbuf                  = vidioc_dqbuf,
2469        .vidioc_s_std                  = vidioc_s_std,
2470        .vidioc_g_std                  = vidioc_g_std,
2471        .vidioc_enum_input             = vidioc_enum_input,
2472        .vidioc_g_input                = vidioc_g_input,
2473        .vidioc_s_input                = vidioc_s_input,
2474        .vidioc_queryctrl              = vidioc_queryctrl,
2475        .vidioc_g_ctrl                 = vidioc_g_ctrl,
2476        .vidioc_s_ctrl                 = vidioc_s_ctrl,
2477        .vidioc_streamon               = vidioc_streamon,
2478        .vidioc_streamoff              = vidioc_streamoff,
2479        .vidioc_g_tuner                = vidioc_g_tuner,
2480        .vidioc_s_tuner                = vidioc_s_tuner,
2481        .vidioc_g_frequency            = vidioc_g_frequency,
2482        .vidioc_s_frequency            = vidioc_s_frequency,
2483#ifdef CONFIG_VIDEO_ADV_DEBUG
2484        .vidioc_g_register             = vidioc_g_register,
2485        .vidioc_s_register             = vidioc_s_register,
2486#endif
2487};
2488
2489static struct video_device cx231xx_vbi_template;
2490
2491static const struct video_device cx231xx_video_template = {
2492        .fops         = &cx231xx_v4l_fops,
2493        .release      = video_device_release,
2494        .ioctl_ops    = &video_ioctl_ops,
2495        .tvnorms      = V4L2_STD_ALL,
2496        .current_norm = V4L2_STD_PAL,
2497};
2498
2499static const struct v4l2_file_operations radio_fops = {
2500        .owner   = THIS_MODULE,
2501        .open   = cx231xx_v4l2_open,
2502        .release = cx231xx_v4l2_close,
2503        .ioctl   = video_ioctl2,
2504};
2505
2506static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2507        .vidioc_querycap    = radio_querycap,
2508        .vidioc_g_tuner     = radio_g_tuner,
2509        .vidioc_enum_input  = radio_enum_input,
2510        .vidioc_g_audio     = radio_g_audio,
2511        .vidioc_s_tuner     = radio_s_tuner,
2512        .vidioc_s_audio     = radio_s_audio,
2513        .vidioc_s_input     = radio_s_input,
2514        .vidioc_queryctrl   = radio_queryctrl,
2515        .vidioc_g_ctrl      = vidioc_g_ctrl,
2516        .vidioc_s_ctrl      = vidioc_s_ctrl,
2517        .vidioc_g_frequency = vidioc_g_frequency,
2518        .vidioc_s_frequency = vidioc_s_frequency,
2519#ifdef CONFIG_VIDEO_ADV_DEBUG
2520        .vidioc_g_register  = vidioc_g_register,
2521        .vidioc_s_register  = vidioc_s_register,
2522#endif
2523};
2524
2525static struct video_device cx231xx_radio_template = {
2526        .name      = "cx231xx-radio",
2527        .fops      = &radio_fops,
2528        .ioctl_ops = &radio_ioctl_ops,
2529};
2530
2531/******************************** usb interface ******************************/
2532
2533static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
2534                const struct video_device
2535                *template, const char *type_name)
2536{
2537        struct video_device *vfd;
2538
2539        vfd = video_device_alloc();
2540        if (NULL == vfd)
2541                return NULL;
2542
2543        *vfd = *template;
2544        vfd->v4l2_dev = &dev->v4l2_dev;
2545        vfd->release = video_device_release;
2546        vfd->debug = video_debug;
2547        vfd->lock = &dev->lock;
2548        /* Locking in file operations other than ioctl should be done
2549           by the driver, not the V4L2 core.
2550           This driver needs auditing so that this flag can be removed. */
2551        set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags);
2552
2553        snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
2554
2555        video_set_drvdata(vfd, dev);
2556        return vfd;
2557}
2558
2559int cx231xx_register_analog_devices(struct cx231xx *dev)
2560{
2561        int ret;
2562
2563        cx231xx_info("%s: v4l2 driver version %s\n",
2564                     dev->name, CX231XX_VERSION);
2565
2566        /* set default norm */
2567        /*dev->norm = cx231xx_video_template.current_norm; */
2568        dev->width = norm_maxw(dev);
2569        dev->height = norm_maxh(dev);
2570        dev->interlaced = 0;
2571
2572        /* Analog specific initialization */
2573        dev->format = &format[0];
2574
2575        /* Set the initial input */
2576        video_mux(dev, dev->video_input);
2577
2578        /* Audio defaults */
2579        dev->mute = 1;
2580        dev->volume = 0x1f;
2581
2582        /* enable vbi capturing */
2583        /* write code here...  */
2584
2585        /* allocate and fill video video_device struct */
2586        dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video");
2587        if (!dev->vdev) {
2588                cx231xx_errdev("cannot allocate video_device.\n");
2589                return -ENODEV;
2590        }
2591
2592        /* register v4l2 video video_device */
2593        ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
2594                                    video_nr[dev->devno]);
2595        if (ret) {
2596                cx231xx_errdev("unable to register video device (error=%i).\n",
2597                               ret);
2598                return ret;
2599        }
2600
2601        cx231xx_info("%s/0: registered device %s [v4l2]\n",
2602                     dev->name, video_device_node_name(dev->vdev));
2603
2604        /* Initialize VBI template */
2605        memcpy(&cx231xx_vbi_template, &cx231xx_video_template,
2606               sizeof(cx231xx_vbi_template));
2607        strcpy(cx231xx_vbi_template.name, "cx231xx-vbi");
2608
2609        /* Allocate and fill vbi video_device struct */
2610        dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi");
2611
2612        /* register v4l2 vbi video_device */
2613        ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
2614                                    vbi_nr[dev->devno]);
2615        if (ret < 0) {
2616                cx231xx_errdev("unable to register vbi device\n");
2617                return ret;
2618        }
2619
2620        cx231xx_info("%s/0: registered device %s\n",
2621                     dev->name, video_device_node_name(dev->vbi_dev));
2622
2623        if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
2624                dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template,
2625                                                   "radio");
2626                if (!dev->radio_dev) {
2627                        cx231xx_errdev("cannot allocate video_device.\n");
2628                        return -ENODEV;
2629                }
2630                ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
2631                                            radio_nr[dev->devno]);
2632                if (ret < 0) {
2633                        cx231xx_errdev("can't register radio device\n");
2634                        return ret;
2635                }
2636                cx231xx_info("Registered radio device as %s\n",
2637                             video_device_node_name(dev->radio_dev));
2638        }
2639
2640        cx231xx_info("V4L2 device registered as %s and %s\n",
2641                     video_device_node_name(dev->vdev),
2642                     video_device_node_name(dev->vbi_dev));
2643
2644        return 0;
2645}
2646