drivers/media/video/cx18/cx18-ioctl.c

   1 /*
   2  *  cx18 ioctl system call
   3  *
   4  *  Derived from ivtv-ioctl.c
   5  *
   6  *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  21  *  02111-1307  USA
  22  */
  23
  24 #include "cx18-driver.h"
  25 #include "cx18-version.h"
  26 #include "cx18-mailbox.h"
  27 #include "cx18-i2c.h"
  28 #include "cx18-queue.h"
  29 #include "cx18-fileops.h"
  30 #include "cx18-vbi.h"
  31 #include "cx18-audio.h"
  32 #include "cx18-video.h"
  33 #include "cx18-streams.h"
  34 #include "cx18-ioctl.h"
  35 #include "cx18-gpio.h"
  36 #include "cx18-controls.h"
  37 #include "cx18-cards.h"
  38 #include "cx18-av-core.h"
  39 #include <media/tveeprom.h>
  40 #include <media/v4l2-chip-ident.h>
  41 #include <linux/i2c-id.h>
  42
  43 u16 cx18_service2vbi(int type)
  44 {
  45         switch (type) {
  46         case V4L2_SLICED_TELETEXT_B:
  47                 return CX18_SLICED_TYPE_TELETEXT_B;
  48         case V4L2_SLICED_CAPTION_525:
  49                 return CX18_SLICED_TYPE_CAPTION_525;
  50         case V4L2_SLICED_WSS_625:
  51                 return CX18_SLICED_TYPE_WSS_625;
  52         case V4L2_SLICED_VPS:
  53                 return CX18_SLICED_TYPE_VPS;
  54         default:
  55                 return 0;
  56         }
  57 }
  58
  59 static int valid_service_line(int field, int line, int is_pal)
  60 {
  61         return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
  62                (!is_pal && line >= 10 && line < 22);
  63 }
  64
  65 static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
  66 {
  67         u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
  68         int i;
  69
  70         set = set & valid_set;
  71         if (set == 0 || !valid_service_line(field, line, is_pal))
  72                 return 0;
  73         if (!is_pal) {
  74                 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
  75                         return V4L2_SLICED_CAPTION_525;
  76         } else {
  77                 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
  78                         return V4L2_SLICED_VPS;
  79                 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
  80                         return V4L2_SLICED_WSS_625;
  81                 if (line == 23)
  82                         return 0;
  83         }
  84         for (i = 0; i < 32; i++) {
  85                 if ((1 << i) & set)
  86                         return 1 << i;
  87         }
  88         return 0;
  89 }
  90
  91 void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
  92 {
  93         u16 set = fmt->service_set;
  94         int f, l;
  95
  96         fmt->service_set = 0;
  97         for (f = 0; f < 2; f++) {
  98                 for (l = 0; l < 24; l++)
  99                         fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
 100         }
 101 }
 102
 103
 104 u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
 105 {
 106         int f, l;
 107         u16 set = 0;
 108
 109         for (f = 0; f < 2; f++) {
 110                 for (l = 0; l < 24; l++)
 111                         set |= fmt->service_lines[f][l];
 112         }
 113         return set;
 114 }
 115
 116 static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
 117                                 struct v4l2_format *fmt)
 118 {
 119         struct cx18_open_id *id = fh;
 120         struct cx18 *cx = id->cx;
 121         struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
 122
 123         pixfmt->width = cx->params.width;
 124         pixfmt->height = cx->params.height;
 125         pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 126         pixfmt->field = V4L2_FIELD_INTERLACED;
 127         pixfmt->priv = 0;
 128         if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
 129                 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
 130                 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 131                 pixfmt->sizeimage =
 132                         pixfmt->height * pixfmt->width +
 133                         pixfmt->height * (pixfmt->width / 2);
 134                 pixfmt->bytesperline = 720;
 135         } else {
 136                 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
 137                 pixfmt->sizeimage = 128 * 1024;
 138                 pixfmt->bytesperline = 0;
 139         }
 140         return 0;
 141 }
 142
 143 static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
 144                                 struct v4l2_format *fmt)
 145 {
 146         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 147         struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
 148
 149         vbifmt->sampling_rate = 27000000;
 150         vbifmt->offset = 248;
 151         vbifmt->samples_per_line = cx->vbi.raw_decoder_line_size - 4;
 152         vbifmt->sample_format = V4L2_PIX_FMT_GREY;
 153         vbifmt->start[0] = cx->vbi.start[0];
 154         vbifmt->start[1] = cx->vbi.start[1];
 155         vbifmt->count[0] = vbifmt->count[1] = cx->vbi.count;
 156         vbifmt->flags = 0;
 157         vbifmt->reserved[0] = 0;
 158         vbifmt->reserved[1] = 0;
 159         return 0;
 160 }
 161
 162 static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
 163                                         struct v4l2_format *fmt)
 164 {
 165         return -EINVAL;
 166 }
 167
 168 static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
 169                                 struct v4l2_format *fmt)
 170 {
 171         struct cx18_open_id *id = fh;
 172         struct cx18 *cx = id->cx;
 173
 174         int w = fmt->fmt.pix.width;
 175         int h = fmt->fmt.pix.height;
 176
 177         w = min(w, 720);
 178         w = max(w, 1);
 179         h = min(h, cx->is_50hz ? 576 : 480);
 180         h = max(h, 2);
 181         cx18_g_fmt_vid_cap(file, fh, fmt);
 182         fmt->fmt.pix.width = w;
 183         fmt->fmt.pix.height = h;
 184         return 0;
 185 }
 186
 187 static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
 188                                 struct v4l2_format *fmt)
 189 {
 190         return cx18_g_fmt_vbi_cap(file, fh, fmt);
 191 }
 192
 193 static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
 194                                         struct v4l2_format *fmt)
 195 {
 196         return -EINVAL;
 197 }
 198
 199 static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
 200                                 struct v4l2_format *fmt)
 201 {
 202         struct cx18_open_id *id = fh;
 203         struct cx18 *cx = id->cx;
 204         int ret;
 205         int w = fmt->fmt.pix.width;
 206         int h = fmt->fmt.pix.height;
 207
 208         ret = v4l2_prio_check(&cx->prio, &id->prio);
 209         if (ret)
 210                 return ret;
 211
 212         ret = cx18_try_fmt_vid_cap(file, fh, fmt);
 213         if (ret)
 214                 return ret;
 215
 216         if (cx->params.width == w && cx->params.height == h)
 217                 return 0;
 218
 219         if (atomic_read(&cx->ana_capturing) > 0)
 220                 return -EBUSY;
 221
 222         cx->params.width = w;
 223         cx->params.height = h;
 224         cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
 225         return cx18_g_fmt_vid_cap(file, fh, fmt);
 226 }
 227
 228 static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
 229                                 struct v4l2_format *fmt)
 230 {
 231         struct cx18_open_id *id = fh;
 232         struct cx18 *cx = id->cx;
 233         int ret;
 234
 235         ret = v4l2_prio_check(&cx->prio, &id->prio);
 236         if (ret)
 237                 return ret;
 238
 239         if (id->type == CX18_ENC_STREAM_TYPE_VBI &&
 240                         cx->vbi.sliced_in->service_set &&
 241                         atomic_read(&cx->ana_capturing) > 0)
 242                 return -EBUSY;
 243
 244         cx->vbi.sliced_in->service_set = 0;
 245         cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in);
 246         return cx18_g_fmt_vbi_cap(file, fh, fmt);
 247 }
 248
 249 static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
 250                                         struct v4l2_format *fmt)
 251 {
 252         return -EINVAL;
 253 }
 254
 255 static int cx18_g_chip_ident(struct file *file, void *fh,
 256                                 struct v4l2_chip_ident *chip)
 257 {
 258         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 259
 260         chip->ident = V4L2_IDENT_NONE;
 261         chip->revision = 0;
 262         if (chip->match_type == V4L2_CHIP_MATCH_HOST) {
 263                 if (v4l2_chip_match_host(chip->match_type, chip->match_chip))
 264                         chip->ident = V4L2_IDENT_CX23418;
 265                 return 0;
 266         }
 267         if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 268                 return cx18_i2c_id(cx, chip->match_chip, VIDIOC_G_CHIP_IDENT,
 269                                         chip);
 270         if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
 271                 return cx18_call_i2c_client(cx, chip->match_chip,
 272                                                 VIDIOC_G_CHIP_IDENT, chip);
 273         return -EINVAL;
 274 }
 275
 276 #ifdef CONFIG_VIDEO_ADV_DEBUG
 277 static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
 278 {
 279         struct v4l2_register *regs = arg;
 280         unsigned long flags;
 281
 282         if (!capable(CAP_SYS_ADMIN))
 283                 return -EPERM;
 284         if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
 285                 return -EINVAL;
 286
 287         spin_lock_irqsave(&cx18_cards_lock, flags);
 288         if (cmd == VIDIOC_DBG_G_REGISTER)
 289                 regs->val = read_enc(regs->reg);
 290         else
 291                 write_enc(regs->val, regs->reg);
 292         spin_unlock_irqrestore(&cx18_cards_lock, flags);
 293         return 0;
 294 }
 295
 296 static int cx18_g_register(struct file *file, void *fh,
 297                                 struct v4l2_register *reg)
 298 {
 299         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 300
 301         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 302                 return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
 303         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 304                 return cx18_i2c_id(cx, reg->match_chip, VIDIOC_DBG_G_REGISTER,
 305                                         reg);
 306         return cx18_call_i2c_client(cx, reg->match_chip, VIDIOC_DBG_G_REGISTER,
 307                                         reg);
 308 }
 309
 310 static int cx18_s_register(struct file *file, void *fh,
 311                                 struct v4l2_register *reg)
 312 {
 313         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 314
 315         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 316                 return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
 317         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 318                 return cx18_i2c_id(cx, reg->match_chip, VIDIOC_DBG_S_REGISTER,
 319                                         reg);
 320         return cx18_call_i2c_client(cx, reg->match_chip, VIDIOC_DBG_S_REGISTER,
 321                                         reg);
 322 }
 323 #endif
 324
 325 static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
 326 {
 327         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 328
 329         *p = v4l2_prio_max(&cx->prio);
 330         return 0;
 331 }
 332
 333 static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
 334 {
 335         struct cx18_open_id *id = fh;
 336         struct cx18 *cx = id->cx;
 337
 338         return v4l2_prio_change(&cx->prio, &id->prio, prio);
 339 }
 340
 341 static int cx18_querycap(struct file *file, void *fh,
 342                                 struct v4l2_capability *vcap)
 343 {
 344         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 345
 346         strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
 347         strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
 348         strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info));
 349         vcap->version = CX18_DRIVER_VERSION;        /* version */
 350         vcap->capabilities = cx->v4l2_cap;          /* capabilities */
 351         return 0;
 352 }
 353
 354 static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 355 {
 356         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 357
 358         return cx18_get_audio_input(cx, vin->index, vin);
 359 }
 360
 361 static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 362 {
 363         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 364
 365         vin->index = cx->audio_input;
 366         return cx18_get_audio_input(cx, vin->index, vin);
 367 }
 368
 369 static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
 370 {
 371         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 372
 373         if (vout->index >= cx->nof_audio_inputs)
 374                 return -EINVAL;
 375         cx->audio_input = vout->index;
 376         cx18_audio_set_io(cx);
 377         return 0;
 378 }
 379
 380 static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 381 {
 382         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 383
 384         /* set it to defaults from our table */
 385         return cx18_get_input(cx, vin->index, vin);
 386 }
 387
 388 static int cx18_cropcap(struct file *file, void *fh,
 389                         struct v4l2_cropcap *cropcap)
 390 {
 391         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 392
 393         if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 394                 return -EINVAL;
 395         cropcap->bounds.top = cropcap->bounds.left = 0;
 396         cropcap->bounds.width = 720;
 397         cropcap->bounds.height = cx->is_50hz ? 576 : 480;
 398         cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10;
 399         cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11;
 400         cropcap->defrect = cropcap->bounds;
 401         return 0;
 402 }
 403
 404 static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 405 {
 406         struct cx18_open_id *id = fh;
 407         struct cx18 *cx = id->cx;
 408         int ret;
 409
 410         ret = v4l2_prio_check(&cx->prio, &id->prio);
 411         if (ret)
 412                 return ret;
 413
 414         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 415                 return -EINVAL;
 416         return cx18_av_cmd(cx, VIDIOC_S_CROP, crop);
 417 }
 418
 419 static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 420 {
 421         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 422
 423         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 424                 return -EINVAL;
 425         return cx18_av_cmd(cx, VIDIOC_G_CROP, crop);
 426 }
 427
 428 static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
 429                                         struct v4l2_fmtdesc *fmt)
 430 {
 431         static struct v4l2_fmtdesc formats[] = {
 432                 { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
 433                   "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
 434                 },
 435                 { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
 436                   "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
 437                 }
 438         };
 439
 440         if (fmt->index > 1)
 441                 return -EINVAL;
 442         *fmt = formats[fmt->index];
 443         return 0;
 444 }
 445
 446 static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
 447 {
 448         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 449
 450         *i = cx->active_input;
 451         return 0;
 452 }
 453
 454 int cx18_s_input(struct file *file, void *fh, unsigned int inp)
 455 {
 456         struct cx18_open_id *id = fh;
 457         struct cx18 *cx = id->cx;
 458         int ret;
 459
 460         ret = v4l2_prio_check(&cx->prio, &id->prio);
 461         if (ret)
 462                 return ret;
 463
 464         if (inp < 0 || inp >= cx->nof_inputs)
 465                 return -EINVAL;
 466
 467         if (inp == cx->active_input) {
 468                 CX18_DEBUG_INFO("Input unchanged\n");
 469                 return 0;
 470         }
 471
 472         CX18_DEBUG_INFO("Changing input from %d to %d\n",
 473                         cx->active_input, inp);
 474
 475         cx->active_input = inp;
 476         /* Set the audio input to whatever is appropriate for the input type. */
 477         cx->audio_input = cx->card->video_inputs[inp].audio_index;
 478
 479         /* prevent others from messing with the streams until
 480            we're finished changing inputs. */
 481         cx18_mute(cx);
 482         cx18_video_set_io(cx);
 483         cx18_audio_set_io(cx);
 484         cx18_unmute(cx);
 485         return 0;
 486 }
 487
 488 static int cx18_g_frequency(struct file *file, void *fh,
 489                                 struct v4l2_frequency *vf)
 490 {
 491         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 492
 493         if (vf->tuner != 0)
 494                 return -EINVAL;
 495
 496         cx18_call_i2c_clients(cx, VIDIOC_G_FREQUENCY, vf);
 497         return 0;
 498 }
 499
 500 int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
 501 {
 502         struct cx18_open_id *id = fh;
 503         struct cx18 *cx = id->cx;
 504         int ret;
 505
 506         ret = v4l2_prio_check(&cx->prio, &id->prio);
 507         if (ret)
 508                 return ret;
 509
 510         if (vf->tuner != 0)
 511                 return -EINVAL;
 512
 513         cx18_mute(cx);
 514         CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
 515         cx18_call_i2c_clients(cx, VIDIOC_S_FREQUENCY, vf);
 516         cx18_unmute(cx);
 517         return 0;
 518 }
 519
 520 static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
 521 {
 522         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 523
 524         *std = cx->std;
 525         return 0;
 526 }
 527
 528 int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
 529 {
 530         struct cx18_open_id *id = fh;
 531         struct cx18 *cx = id->cx;
 532         int ret;
 533
 534         ret = v4l2_prio_check(&cx->prio, &id->prio);
 535         if (ret)
 536                 return ret;
 537
 538         if ((*std & V4L2_STD_ALL) == 0)
 539                 return -EINVAL;
 540
 541         if (*std == cx->std)
 542                 return 0;
 543
 544         if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
 545             atomic_read(&cx->ana_capturing) > 0) {
 546                 /* Switching standard would turn off the radio or mess
 547                    with already running streams, prevent that by
 548                    returning EBUSY. */
 549                 return -EBUSY;
 550         }
 551
 552         cx->std = *std;
 553         cx->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
 554         cx->params.is_50hz = cx->is_50hz = !cx->is_60hz;
 555         cx->params.width = 720;
 556         cx->params.height = cx->is_50hz ? 576 : 480;
 557         cx->vbi.count = cx->is_50hz ? 18 : 12;
 558         cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
 559         cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
 560         cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284;
 561         CX18_DEBUG_INFO("Switching standard to %llx.\n",
 562                         (unsigned long long) cx->std);
 563
 564         /* Tuner */
 565         cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
 566         return 0;
 567 }
 568
 569 static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 570 {
 571         struct cx18_open_id *id = fh;
 572         struct cx18 *cx = id->cx;
 573         int ret;
 574
 575         ret = v4l2_prio_check(&cx->prio, &id->prio);
 576         if (ret)
 577                 return ret;
 578
 579         if (vt->index != 0)
 580                 return -EINVAL;
 581
 582         /* Setting tuner can only set audio mode */
 583         cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt);
 584
 585         return 0;
 586 }
 587
 588 static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 589 {
 590         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 591
 592         if (vt->index != 0)
 593                 return -EINVAL;
 594
 595         cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt);
 596
 597         if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
 598                 strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
 599                 vt->type = V4L2_TUNER_RADIO;
 600         } else {
 601                 strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
 602                 vt->type = V4L2_TUNER_ANALOG_TV;
 603         }
 604
 605         return 0;
 606 }
 607
 608 static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
 609                                         struct v4l2_sliced_vbi_cap *cap)
 610 {
 611         return -EINVAL;
 612 }
 613
 614 static int cx18_g_enc_index(struct file *file, void *fh,
 615                                 struct v4l2_enc_idx *idx)
 616 {
 617         return -EINVAL;
 618 }
 619
 620 static int cx18_encoder_cmd(struct file *file, void *fh,
 621                                 struct v4l2_encoder_cmd *enc)
 622 {
 623         struct cx18_open_id *id = fh;
 624         struct cx18 *cx = id->cx;
 625
 626         switch (enc->cmd) {
 627         case V4L2_ENC_CMD_START:
 628                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
 629                 enc->flags = 0;
 630                 return cx18_start_capture(id);
 631
 632         case V4L2_ENC_CMD_STOP:
 633                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
 634                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
 635                 cx18_stop_capture(id,
 636                                   enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
 637                 break;
 638
 639         case V4L2_ENC_CMD_PAUSE:
 640                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
 641                 enc->flags = 0;
 642                 if (!atomic_read(&cx->ana_capturing))
 643                         return -EPERM;
 644                 if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
 645                         return 0;
 646                 cx18_mute(cx);
 647                 cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx));
 648                 break;
 649
 650         case V4L2_ENC_CMD_RESUME:
 651                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
 652                 enc->flags = 0;
 653                 if (!atomic_read(&cx->ana_capturing))
 654                         return -EPERM;
 655                 if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
 656                         return 0;
 657                 cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx));
 658                 cx18_unmute(cx);
 659                 break;
 660
 661         default:
 662                 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
 663                 return -EINVAL;
 664         }
 665         return 0;
 666 }
 667
 668 static int cx18_try_encoder_cmd(struct file *file, void *fh,
 669                                 struct v4l2_encoder_cmd *enc)
 670 {
 671         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 672
 673         switch (enc->cmd) {
 674         case V4L2_ENC_CMD_START:
 675                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
 676                 enc->flags = 0;
 677                 break;
 678
 679         case V4L2_ENC_CMD_STOP:
 680                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
 681                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
 682                 break;
 683
 684         case V4L2_ENC_CMD_PAUSE:
 685                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
 686                 enc->flags = 0;
 687                 break;
 688
 689         case V4L2_ENC_CMD_RESUME:
 690                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
 691                 enc->flags = 0;
 692                 break;
 693
 694         default:
 695                 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
 696                 return -EINVAL;
 697         }
 698         return 0;
 699 }
 700
 701 static int cx18_log_status(struct file *file, void *fh)
 702 {
 703         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 704         struct v4l2_input vidin;
 705         struct v4l2_audio audin;
 706         int i;
 707
 708         CX18_INFO("=================  START STATUS CARD #%d  =================\n", cx->num);
 709         if (cx->hw_flags & CX18_HW_TVEEPROM) {
 710                 struct tveeprom tv;
 711
 712                 cx18_read_eeprom(cx, &tv);
 713         }
 714         cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL);
 715         cx18_get_input(cx, cx->active_input, &vidin);
 716         cx18_get_audio_input(cx, cx->audio_input, &audin);
 717         CX18_INFO("Video Input: %s\n", vidin.name);
 718         CX18_INFO("Audio Input: %s\n", audin.name);
 719         mutex_lock(&cx->gpio_lock);
 720         CX18_INFO("GPIO:  direction 0x%08x, value 0x%08x\n",
 721                 cx->gpio_dir, cx->gpio_val);
 722         mutex_unlock(&cx->gpio_lock);
 723         CX18_INFO("Tuner: %s\n",
 724                 test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ?  "Radio" : "TV");
 725         cx2341x_log_status(&cx->params, cx->name);
 726         CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
 727         for (i = 0; i < CX18_MAX_STREAMS; i++) {
 728                 struct cx18_stream *s = &cx->streams[i];
 729
 730                 if (s->v4l2dev == NULL || s->buffers == 0)
 731                         continue;
 732                 CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
 733                           s->name, s->s_flags,
 734                           (s->buffers - s->q_free.buffers) * 100 / s->buffers,
 735                           (s->buffers * s->buf_size) / 1024, s->buffers);
 736         }
 737         CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
 738                         (long long)cx->mpg_data_received,
 739                         (long long)cx->vbi_data_inserted);
 740         CX18_INFO("==================  END STATUS CARD #%d  ==================\n", cx->num);
 741         return 0;
 742 }
 743
 744 static int cx18_default(struct file *file, void *fh, int cmd, void *arg)
 745 {
 746         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 747
 748         switch (cmd) {
 749         case VIDIOC_INT_S_AUDIO_ROUTING: {
 750                 struct v4l2_routing *route = arg;
 751
 752                 CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING(%d, %d)\n",
 753                         route->input, route->output);
 754                 cx18_audio_set_route(cx, route);
 755                 break;
 756         }
 757
 758         case VIDIOC_INT_RESET: {
 759                 u32 val = *(u32 *)arg;
 760
 761                 if ((val == 0) || (val & 0x01))
 762                         cx18_reset_ir_gpio(&cx->i2c_algo_cb_data[0]);
 763                 break;
 764         }
 765
 766         default:
 767                 return -EINVAL;
 768         }
 769         return 0;
 770 }
 771
 772 int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 773                     unsigned long arg)
 774 {
 775         struct video_device *vfd = video_devdata(filp);
 776         struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
 777         struct cx18 *cx = id->cx;
 778         int res;
 779
 780         mutex_lock(&cx->serialize_lock);
 781
 782         if (cx18_debug & CX18_DBGFLG_IOCTL)
 783                 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
 784         res = video_ioctl2(inode, filp, cmd, arg);
 785         vfd->debug = 0;
 786         mutex_unlock(&cx->serialize_lock);
 787         return res;
 788 }
 789
 790 void cx18_set_funcs(struct video_device *vdev)
 791 {
 792         vdev->vidioc_querycap                = cx18_querycap;
 793         vdev->vidioc_g_priority              = cx18_g_priority;
 794         vdev->vidioc_s_priority              = cx18_s_priority;
 795         vdev->vidioc_s_audio                 = cx18_s_audio;
 796         vdev->vidioc_g_audio                 = cx18_g_audio;
 797         vdev->vidioc_enumaudio               = cx18_enumaudio;
 798         vdev->vidioc_enum_input              = cx18_enum_input;
 799         vdev->vidioc_cropcap                 = cx18_cropcap;
 800         vdev->vidioc_s_crop                  = cx18_s_crop;
 801         vdev->vidioc_g_crop                  = cx18_g_crop;
 802         vdev->vidioc_g_input                 = cx18_g_input;
 803         vdev->vidioc_s_input                 = cx18_s_input;
 804         vdev->vidioc_g_frequency             = cx18_g_frequency;
 805         vdev->vidioc_s_frequency             = cx18_s_frequency;
 806         vdev->vidioc_s_tuner                 = cx18_s_tuner;
 807         vdev->vidioc_g_tuner                 = cx18_g_tuner;
 808         vdev->vidioc_g_enc_index             = cx18_g_enc_index;
 809         vdev->vidioc_g_std                   = cx18_g_std;
 810         vdev->vidioc_s_std                   = cx18_s_std;
 811         vdev->vidioc_log_status              = cx18_log_status;
 812         vdev->vidioc_enum_fmt_vid_cap        = cx18_enum_fmt_vid_cap;
 813         vdev->vidioc_encoder_cmd             = cx18_encoder_cmd;
 814         vdev->vidioc_try_encoder_cmd         = cx18_try_encoder_cmd;
 815         vdev->vidioc_g_fmt_vid_cap           = cx18_g_fmt_vid_cap;
 816         vdev->vidioc_g_fmt_vbi_cap           = cx18_g_fmt_vbi_cap;
 817         vdev->vidioc_g_fmt_sliced_vbi_cap    = cx18_g_fmt_sliced_vbi_cap;
 818         vdev->vidioc_s_fmt_vid_cap           = cx18_s_fmt_vid_cap;
 819         vdev->vidioc_s_fmt_vbi_cap           = cx18_s_fmt_vbi_cap;
 820         vdev->vidioc_s_fmt_sliced_vbi_cap    = cx18_s_fmt_sliced_vbi_cap;
 821         vdev->vidioc_try_fmt_vid_cap         = cx18_try_fmt_vid_cap;
 822         vdev->vidioc_try_fmt_vbi_cap         = cx18_try_fmt_vbi_cap;
 823         vdev->vidioc_try_fmt_sliced_vbi_cap  = cx18_try_fmt_sliced_vbi_cap;
 824         vdev->vidioc_g_sliced_vbi_cap        = cx18_g_sliced_vbi_cap;
 825         vdev->vidioc_g_chip_ident            = cx18_g_chip_ident;
 826 #ifdef CONFIG_VIDEO_ADV_DEBUG
 827         vdev->vidioc_g_register              = cx18_g_register;
 828         vdev->vidioc_s_register              = cx18_s_register;
 829 #endif
 830         vdev->vidioc_default                 = cx18_default;
 831         vdev->vidioc_queryctrl               = cx18_queryctrl;
 832         vdev->vidioc_querymenu               = cx18_querymenu;
 833         vdev->vidioc_g_ext_ctrls             = cx18_g_ext_ctrls;
 834         vdev->vidioc_s_ext_ctrls             = cx18_s_ext_ctrls;
 835         vdev->vidioc_try_ext_ctrls           = cx18_try_ext_ctrls;
 836 }