SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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  *  Copyright (C) 2008  Andy Walls <awalls@radix.net>
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  22  *  02111-1307  USA
  23  */
  24
  25 #include "cx18-driver.h"
  26 #include "cx18-io.h"
  27 #include "cx18-version.h"
  28 #include "cx18-mailbox.h"
  29 #include "cx18-i2c.h"
  30 #include "cx18-queue.h"
  31 #include "cx18-fileops.h"
  32 #include "cx18-vbi.h"
  33 #include "cx18-audio.h"
  34 #include "cx18-video.h"
  35 #include "cx18-streams.h"
  36 #include "cx18-ioctl.h"
  37 #include "cx18-gpio.h"
  38 #include "cx18-controls.h"
  39 #include "cx18-cards.h"
  40 #include "cx18-av-core.h"
  41 #include <media/tveeprom.h>
  42 #include <media/v4l2-chip-ident.h>
  43 #include <linux/i2c-id.h>
  44
  45 u16 cx18_service2vbi(int type)
  46 {
  47         switch (type) {
  48         case V4L2_SLICED_TELETEXT_B:
  49                 return CX18_SLICED_TYPE_TELETEXT_B;
  50         case V4L2_SLICED_CAPTION_525:
  51                 return CX18_SLICED_TYPE_CAPTION_525;
  52         case V4L2_SLICED_WSS_625:
  53                 return CX18_SLICED_TYPE_WSS_625;
  54         case V4L2_SLICED_VPS:
  55                 return CX18_SLICED_TYPE_VPS;
  56         default:
  57                 return 0;
  58         }
  59 }
  60
  61 static int valid_service_line(int field, int line, int is_pal)
  62 {
  63         return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
  64                (!is_pal && line >= 10 && line < 22);
  65 }
  66
  67 static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
  68 {
  69         u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
  70         int i;
  71
  72         set = set & valid_set;
  73         if (set == 0 || !valid_service_line(field, line, is_pal))
  74                 return 0;
  75         if (!is_pal) {
  76                 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
  77                         return V4L2_SLICED_CAPTION_525;
  78         } else {
  79                 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
  80                         return V4L2_SLICED_VPS;
  81                 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
  82                         return V4L2_SLICED_WSS_625;
  83                 if (line == 23)
  84                         return 0;
  85         }
  86         for (i = 0; i < 32; i++) {
  87                 if ((1 << i) & set)
  88                         return 1 << i;
  89         }
  90         return 0;
  91 }
  92
  93 void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
  94 {
  95         u16 set = fmt->service_set;
  96         int f, l;
  97
  98         fmt->service_set = 0;
  99         for (f = 0; f < 2; f++) {
 100                 for (l = 0; l < 24; l++)
 101                         fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
 102         }
 103 }
 104
 105
 106 u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
 107 {
 108         int f, l;
 109         u16 set = 0;
 110
 111         for (f = 0; f < 2; f++) {
 112                 for (l = 0; l < 24; l++)
 113                         set |= fmt->service_lines[f][l];
 114         }
 115         return set;
 116 }
 117
 118 static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
 119                                 struct v4l2_format *fmt)
 120 {
 121         struct cx18_open_id *id = fh;
 122         struct cx18 *cx = id->cx;
 123         struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
 124
 125         pixfmt->width = cx->params.width;
 126         pixfmt->height = cx->params.height;
 127         pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 128         pixfmt->field = V4L2_FIELD_INTERLACED;
 129         pixfmt->priv = 0;
 130         if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
 131                 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
 132                 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
 133                 pixfmt->sizeimage =
 134                         pixfmt->height * pixfmt->width +
 135                         pixfmt->height * (pixfmt->width / 2);
 136                 pixfmt->bytesperline = 720;
 137         } else {
 138                 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
 139                 pixfmt->sizeimage = 128 * 1024;
 140                 pixfmt->bytesperline = 0;
 141         }
 142         return 0;
 143 }
 144
 145 static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
 146                                 struct v4l2_format *fmt)
 147 {
 148         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 149         struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
 150
 151         vbifmt->sampling_rate = 27000000;
 152         vbifmt->offset = 248;
 153         vbifmt->samples_per_line = cx->vbi.raw_decoder_line_size - 4;
 154         vbifmt->sample_format = V4L2_PIX_FMT_GREY;
 155         vbifmt->start[0] = cx->vbi.start[0];
 156         vbifmt->start[1] = cx->vbi.start[1];
 157         vbifmt->count[0] = vbifmt->count[1] = cx->vbi.count;
 158         vbifmt->flags = 0;
 159         vbifmt->reserved[0] = 0;
 160         vbifmt->reserved[1] = 0;
 161         return 0;
 162 }
 163
 164 static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
 165                                         struct v4l2_format *fmt)
 166 {
 167         return -EINVAL;
 168 }
 169
 170 static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
 171                                 struct v4l2_format *fmt)
 172 {
 173         struct cx18_open_id *id = fh;
 174         struct cx18 *cx = id->cx;
 175         int w = fmt->fmt.pix.width;
 176         int h = fmt->fmt.pix.height;
 177
 178         w = min(w, 720);
 179         w = max(w, 1);
 180         h = min(h, cx->is_50hz ? 576 : 480);
 181         h = max(h, 2);
 182         cx18_g_fmt_vid_cap(file, fh, fmt);
 183         fmt->fmt.pix.width = w;
 184         fmt->fmt.pix.height = h;
 185         return 0;
 186 }
 187
 188 static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
 189                                 struct v4l2_format *fmt)
 190 {
 191         return cx18_g_fmt_vbi_cap(file, fh, fmt);
 192 }
 193
 194 static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
 195                                         struct v4l2_format *fmt)
 196 {
 197         return -EINVAL;
 198 }
 199
 200 static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
 201                                 struct v4l2_format *fmt)
 202 {
 203         struct cx18_open_id *id = fh;
 204         struct cx18 *cx = id->cx;
 205         int ret;
 206         int w, h;
 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         w = fmt->fmt.pix.width;
 216         h = fmt->fmt.pix.height;
 217
 218         if (cx->params.width == w && cx->params.height == h)
 219                 return 0;
 220
 221         if (atomic_read(&cx->ana_capturing) > 0)
 222                 return -EBUSY;
 223
 224         cx->params.width = w;
 225         cx->params.height = h;
 226         cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
 227         return cx18_g_fmt_vid_cap(file, fh, fmt);
 228 }
 229
 230 static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
 231                                 struct v4l2_format *fmt)
 232 {
 233         struct cx18_open_id *id = fh;
 234         struct cx18 *cx = id->cx;
 235         int ret;
 236
 237         ret = v4l2_prio_check(&cx->prio, &id->prio);
 238         if (ret)
 239                 return ret;
 240
 241         if (id->type == CX18_ENC_STREAM_TYPE_VBI &&
 242                         cx->vbi.sliced_in->service_set &&
 243                         atomic_read(&cx->ana_capturing) > 0)
 244                 return -EBUSY;
 245
 246         cx->vbi.sliced_in->service_set = 0;
 247         cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in);
 248         return cx18_g_fmt_vbi_cap(file, fh, fmt);
 249 }
 250
 251 static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
 252                                         struct v4l2_format *fmt)
 253 {
 254         return -EINVAL;
 255 }
 256
 257 static int cx18_g_chip_ident(struct file *file, void *fh,
 258                                 struct v4l2_chip_ident *chip)
 259 {
 260         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 261
 262         chip->ident = V4L2_IDENT_NONE;
 263         chip->revision = 0;
 264         if (chip->match_type == V4L2_CHIP_MATCH_HOST) {
 265                 if (v4l2_chip_match_host(chip->match_type, chip->match_chip))
 266                         chip->ident = V4L2_IDENT_CX23418;
 267                 return 0;
 268         }
 269         if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 270                 return cx18_i2c_id(cx, chip->match_chip, VIDIOC_G_CHIP_IDENT,
 271                                         chip);
 272         if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
 273                 return cx18_call_i2c_client(cx, chip->match_chip,
 274                                                 VIDIOC_G_CHIP_IDENT, chip);
 275         return -EINVAL;
 276 }
 277
 278 #ifdef CONFIG_VIDEO_ADV_DEBUG
 279 static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
 280 {
 281         struct v4l2_register *regs = arg;
 282         unsigned long flags;
 283
 284         if (!capable(CAP_SYS_ADMIN))
 285                 return -EPERM;
 286         if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
 287                 return -EINVAL;
 288
 289         spin_lock_irqsave(&cx18_cards_lock, flags);
 290         if (cmd == VIDIOC_DBG_G_REGISTER)
 291                 regs->val = cx18_read_enc(cx, regs->reg);
 292         else
 293                 cx18_write_enc(cx, regs->val, regs->reg);
 294         spin_unlock_irqrestore(&cx18_cards_lock, flags);
 295         return 0;
 296 }
 297
 298 static int cx18_g_register(struct file *file, void *fh,
 299                                 struct v4l2_register *reg)
 300 {
 301         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 302
 303         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 304                 return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
 305         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 306                 return cx18_i2c_id(cx, reg->match_chip, VIDIOC_DBG_G_REGISTER,
 307                                         reg);
 308         return cx18_call_i2c_client(cx, reg->match_chip, VIDIOC_DBG_G_REGISTER,
 309                                         reg);
 310 }
 311
 312 static int cx18_s_register(struct file *file, void *fh,
 313                                 struct v4l2_register *reg)
 314 {
 315         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 316
 317         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 318                 return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
 319         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 320                 return cx18_i2c_id(cx, reg->match_chip, VIDIOC_DBG_S_REGISTER,
 321                                         reg);
 322         return cx18_call_i2c_client(cx, reg->match_chip, VIDIOC_DBG_S_REGISTER,
 323                                         reg);
 324 }
 325 #endif
 326
 327 static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
 328 {
 329         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 330
 331         *p = v4l2_prio_max(&cx->prio);
 332         return 0;
 333 }
 334
 335 static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
 336 {
 337         struct cx18_open_id *id = fh;
 338         struct cx18 *cx = id->cx;
 339
 340         return v4l2_prio_change(&cx->prio, &id->prio, prio);
 341 }
 342
 343 static int cx18_querycap(struct file *file, void *fh,
 344                                 struct v4l2_capability *vcap)
 345 {
 346         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 347
 348         strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
 349         strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
 350         snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(cx->dev));
 351         vcap->version = CX18_DRIVER_VERSION;        /* version */
 352         vcap->capabilities = cx->v4l2_cap;          /* capabilities */
 353         return 0;
 354 }
 355
 356 static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 357 {
 358         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 359
 360         return cx18_get_audio_input(cx, vin->index, vin);
 361 }
 362
 363 static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 364 {
 365         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 366
 367         vin->index = cx->audio_input;
 368         return cx18_get_audio_input(cx, vin->index, vin);
 369 }
 370
 371 static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
 372 {
 373         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 374
 375         if (vout->index >= cx->nof_audio_inputs)
 376                 return -EINVAL;
 377         cx->audio_input = vout->index;
 378         cx18_audio_set_io(cx);
 379         return 0;
 380 }
 381
 382 static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 383 {
 384         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 385
 386         /* set it to defaults from our table */
 387         return cx18_get_input(cx, vin->index, vin);
 388 }
 389
 390 static int cx18_cropcap(struct file *file, void *fh,
 391                         struct v4l2_cropcap *cropcap)
 392 {
 393         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 394
 395         if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 396                 return -EINVAL;
 397         cropcap->bounds.top = cropcap->bounds.left = 0;
 398         cropcap->bounds.width = 720;
 399         cropcap->bounds.height = cx->is_50hz ? 576 : 480;
 400         cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10;
 401         cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11;
 402         cropcap->defrect = cropcap->bounds;
 403         return 0;
 404 }
 405
 406 static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 407 {
 408         struct cx18_open_id *id = fh;
 409         struct cx18 *cx = id->cx;
 410         int ret;
 411
 412         ret = v4l2_prio_check(&cx->prio, &id->prio);
 413         if (ret)
 414                 return ret;
 415
 416         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 417                 return -EINVAL;
 418         return cx18_av_cmd(cx, VIDIOC_S_CROP, crop);
 419 }
 420
 421 static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 422 {
 423         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 424
 425         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 426                 return -EINVAL;
 427         return cx18_av_cmd(cx, VIDIOC_G_CROP, crop);
 428 }
 429
 430 static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
 431                                         struct v4l2_fmtdesc *fmt)
 432 {
 433         static struct v4l2_fmtdesc formats[] = {
 434                 { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
 435                   "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
 436                 },
 437                 { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
 438                   "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
 439                 }
 440         };
 441
 442         if (fmt->index > 1)
 443                 return -EINVAL;
 444         *fmt = formats[fmt->index];
 445         return 0;
 446 }
 447
 448 static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
 449 {
 450         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 451
 452         *i = cx->active_input;
 453         return 0;
 454 }
 455
 456 int cx18_s_input(struct file *file, void *fh, unsigned int inp)
 457 {
 458         struct cx18_open_id *id = fh;
 459         struct cx18 *cx = id->cx;
 460         int ret;
 461
 462         ret = v4l2_prio_check(&cx->prio, &id->prio);
 463         if (ret)
 464                 return ret;
 465
 466         if (inp < 0 || inp >= cx->nof_inputs)
 467                 return -EINVAL;
 468
 469         if (inp == cx->active_input) {
 470                 CX18_DEBUG_INFO("Input unchanged\n");
 471                 return 0;
 472         }
 473
 474         CX18_DEBUG_INFO("Changing input from %d to %d\n",
 475                         cx->active_input, inp);
 476
 477         cx->active_input = inp;
 478         /* Set the audio input to whatever is appropriate for the input type. */
 479         cx->audio_input = cx->card->video_inputs[inp].audio_index;
 480
 481         /* prevent others from messing with the streams until
 482            we're finished changing inputs. */
 483         cx18_mute(cx);
 484         cx18_video_set_io(cx);
 485         cx18_audio_set_io(cx);
 486         cx18_unmute(cx);
 487         return 0;
 488 }
 489
 490 static int cx18_g_frequency(struct file *file, void *fh,
 491                                 struct v4l2_frequency *vf)
 492 {
 493         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 494
 495         if (vf->tuner != 0)
 496                 return -EINVAL;
 497
 498         cx18_call_i2c_clients(cx, VIDIOC_G_FREQUENCY, vf);
 499         return 0;
 500 }
 501
 502 int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
 503 {
 504         struct cx18_open_id *id = fh;
 505         struct cx18 *cx = id->cx;
 506         int ret;
 507
 508         ret = v4l2_prio_check(&cx->prio, &id->prio);
 509         if (ret)
 510                 return ret;
 511
 512         if (vf->tuner != 0)
 513                 return -EINVAL;
 514
 515         cx18_mute(cx);
 516         CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
 517         cx18_call_i2c_clients(cx, VIDIOC_S_FREQUENCY, vf);
 518         cx18_unmute(cx);
 519         return 0;
 520 }
 521
 522 static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
 523 {
 524         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 525
 526         *std = cx->std;
 527         return 0;
 528 }
 529
 530 int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
 531 {
 532         struct cx18_open_id *id = fh;
 533         struct cx18 *cx = id->cx;
 534         int ret;
 535
 536         ret = v4l2_prio_check(&cx->prio, &id->prio);
 537         if (ret)
 538                 return ret;
 539
 540         if ((*std & V4L2_STD_ALL) == 0)
 541                 return -EINVAL;
 542
 543         if (*std == cx->std)
 544                 return 0;
 545
 546         if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
 547             atomic_read(&cx->ana_capturing) > 0) {
 548                 /* Switching standard would turn off the radio or mess
 549                    with already running streams, prevent that by
 550                    returning EBUSY. */
 551                 return -EBUSY;
 552         }
 553
 554         cx->std = *std;
 555         cx->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
 556         cx->params.is_50hz = cx->is_50hz = !cx->is_60hz;
 557         cx->params.width = 720;
 558         cx->params.height = cx->is_50hz ? 576 : 480;
 559         cx->vbi.count = cx->is_50hz ? 18 : 12;
 560         cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
 561         cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
 562         cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284;
 563         CX18_DEBUG_INFO("Switching standard to %llx.\n",
 564                         (unsigned long long) cx->std);
 565
 566         /* Tuner */
 567         cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
 568         return 0;
 569 }
 570
 571 static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 572 {
 573         struct cx18_open_id *id = fh;
 574         struct cx18 *cx = id->cx;
 575         int ret;
 576
 577         ret = v4l2_prio_check(&cx->prio, &id->prio);
 578         if (ret)
 579                 return ret;
 580
 581         if (vt->index != 0)
 582                 return -EINVAL;
 583
 584         /* Setting tuner can only set audio mode */
 585         cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt);
 586
 587         return 0;
 588 }
 589
 590 static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 591 {
 592         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 593
 594         if (vt->index != 0)
 595                 return -EINVAL;
 596
 597         cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt);
 598
 599         if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
 600                 strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
 601                 vt->type = V4L2_TUNER_RADIO;
 602         } else {
 603                 strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
 604                 vt->type = V4L2_TUNER_ANALOG_TV;
 605         }
 606
 607         return 0;
 608 }
 609
 610 static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
 611                                         struct v4l2_sliced_vbi_cap *cap)
 612 {
 613         return -EINVAL;
 614 }
 615
 616 static int cx18_g_enc_index(struct file *file, void *fh,
 617                                 struct v4l2_enc_idx *idx)
 618 {
 619         return -EINVAL;
 620 }
 621
 622 static int cx18_encoder_cmd(struct file *file, void *fh,
 623                                 struct v4l2_encoder_cmd *enc)
 624 {
 625         struct cx18_open_id *id = fh;
 626         struct cx18 *cx = id->cx;
 627         u32 h;
 628
 629         switch (enc->cmd) {
 630         case V4L2_ENC_CMD_START:
 631                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
 632                 enc->flags = 0;
 633                 return cx18_start_capture(id);
 634
 635         case V4L2_ENC_CMD_STOP:
 636                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
 637                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
 638                 cx18_stop_capture(id,
 639                                   enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
 640                 break;
 641
 642         case V4L2_ENC_CMD_PAUSE:
 643                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
 644                 enc->flags = 0;
 645                 if (!atomic_read(&cx->ana_capturing))
 646                         return -EPERM;
 647                 if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
 648                         return 0;
 649                 h = cx18_find_handle(cx);
 650                 if (h == CX18_INVALID_TASK_HANDLE) {
 651                         CX18_ERR("Can't find valid task handle for "
 652                                  "V4L2_ENC_CMD_PAUSE\n");
 653                         return -EBADFD;
 654                 }
 655                 cx18_mute(cx);
 656                 cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h);
 657                 break;
 658
 659         case V4L2_ENC_CMD_RESUME:
 660                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
 661                 enc->flags = 0;
 662                 if (!atomic_read(&cx->ana_capturing))
 663                         return -EPERM;
 664                 if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
 665                         return 0;
 666                 h = cx18_find_handle(cx);
 667                 if (h == CX18_INVALID_TASK_HANDLE) {
 668                         CX18_ERR("Can't find valid task handle for "
 669                                  "V4L2_ENC_CMD_RESUME\n");
 670                         return -EBADFD;
 671                 }
 672                 cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h);
 673                 cx18_unmute(cx);
 674                 break;
 675
 676         default:
 677                 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
 678                 return -EINVAL;
 679         }
 680         return 0;
 681 }
 682
 683 static int cx18_try_encoder_cmd(struct file *file, void *fh,
 684                                 struct v4l2_encoder_cmd *enc)
 685 {
 686         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 687
 688         switch (enc->cmd) {
 689         case V4L2_ENC_CMD_START:
 690                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
 691                 enc->flags = 0;
 692                 break;
 693
 694         case V4L2_ENC_CMD_STOP:
 695                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
 696                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
 697                 break;
 698
 699         case V4L2_ENC_CMD_PAUSE:
 700                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
 701                 enc->flags = 0;
 702                 break;
 703
 704         case V4L2_ENC_CMD_RESUME:
 705                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
 706                 enc->flags = 0;
 707                 break;
 708
 709         default:
 710                 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
 711                 return -EINVAL;
 712         }
 713         return 0;
 714 }
 715
 716 static int cx18_log_status(struct file *file, void *fh)
 717 {
 718         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 719         struct v4l2_input vidin;
 720         struct v4l2_audio audin;
 721         int i;
 722
 723         CX18_INFO("=================  START STATUS CARD #%d  =================\n", cx->num);
 724         if (cx->hw_flags & CX18_HW_TVEEPROM) {
 725                 struct tveeprom tv;
 726
 727                 cx18_read_eeprom(cx, &tv);
 728         }
 729         cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL);
 730         cx18_get_input(cx, cx->active_input, &vidin);
 731         cx18_get_audio_input(cx, cx->audio_input, &audin);
 732         CX18_INFO("Video Input: %s\n", vidin.name);
 733         CX18_INFO("Audio Input: %s\n", audin.name);
 734         mutex_lock(&cx->gpio_lock);
 735         CX18_INFO("GPIO:  direction 0x%08x, value 0x%08x\n",
 736                 cx->gpio_dir, cx->gpio_val);
 737         mutex_unlock(&cx->gpio_lock);
 738         CX18_INFO("Tuner: %s\n",
 739                 test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ?  "Radio" : "TV");
 740         cx2341x_log_status(&cx->params, cx->name);
 741         CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
 742         for (i = 0; i < CX18_MAX_STREAMS; i++) {
 743                 struct cx18_stream *s = &cx->streams[i];
 744
 745                 if (s->v4l2dev == NULL || s->buffers == 0)
 746                         continue;
 747                 CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
 748                           s->name, s->s_flags,
 749                           (s->buffers - atomic_read(&s->q_free.buffers))
 750                                 * 100 / s->buffers,
 751                           (s->buffers * s->buf_size) / 1024, s->buffers);
 752         }
 753         CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
 754                         (long long)cx->mpg_data_received,
 755                         (long long)cx->vbi_data_inserted);
 756         CX18_INFO("==================  END STATUS CARD #%d  ==================\n", cx->num);
 757         return 0;
 758 }
 759
 760 static int cx18_default(struct file *file, void *fh, int cmd, void *arg)
 761 {
 762         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 763
 764         switch (cmd) {
 765         case VIDIOC_INT_S_AUDIO_ROUTING: {
 766                 struct v4l2_routing *route = arg;
 767
 768                 CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING(%d, %d)\n",
 769                         route->input, route->output);
 770                 cx18_audio_set_route(cx, route);
 771                 break;
 772         }
 773
 774         case VIDIOC_INT_RESET: {
 775                 u32 val = *(u32 *)arg;
 776
 777                 if ((val == 0) || (val & 0x01))
 778                         cx18_reset_ir_gpio(&cx->i2c_algo_cb_data[0]);
 779                 break;
 780         }
 781
 782         default:
 783                 return -EINVAL;
 784         }
 785         return 0;
 786 }
 787
 788 int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 789                     unsigned long arg)
 790 {
 791         struct video_device *vfd = video_devdata(filp);
 792         struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
 793         struct cx18 *cx = id->cx;
 794         int res;
 795
 796         mutex_lock(&cx->serialize_lock);
 797
 798         if (cx18_debug & CX18_DBGFLG_IOCTL)
 799                 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
 800         res = video_ioctl2(inode, filp, cmd, arg);
 801         vfd->debug = 0;
 802         mutex_unlock(&cx->serialize_lock);
 803         return res;
 804 }
 805
 806 static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
 807         .vidioc_querycap                = cx18_querycap,
 808         .vidioc_g_priority              = cx18_g_priority,
 809         .vidioc_s_priority              = cx18_s_priority,
 810         .vidioc_s_audio                 = cx18_s_audio,
 811         .vidioc_g_audio                 = cx18_g_audio,
 812         .vidioc_enumaudio               = cx18_enumaudio,
 813         .vidioc_enum_input              = cx18_enum_input,
 814         .vidioc_cropcap                 = cx18_cropcap,
 815         .vidioc_s_crop                  = cx18_s_crop,
 816         .vidioc_g_crop                  = cx18_g_crop,
 817         .vidioc_g_input                 = cx18_g_input,
 818         .vidioc_s_input                 = cx18_s_input,
 819         .vidioc_g_frequency             = cx18_g_frequency,
 820         .vidioc_s_frequency             = cx18_s_frequency,
 821         .vidioc_s_tuner                 = cx18_s_tuner,
 822         .vidioc_g_tuner                 = cx18_g_tuner,
 823         .vidioc_g_enc_index             = cx18_g_enc_index,
 824         .vidioc_g_std                   = cx18_g_std,
 825         .vidioc_s_std                   = cx18_s_std,
 826         .vidioc_log_status              = cx18_log_status,
 827         .vidioc_enum_fmt_vid_cap        = cx18_enum_fmt_vid_cap,
 828         .vidioc_encoder_cmd             = cx18_encoder_cmd,
 829         .vidioc_try_encoder_cmd         = cx18_try_encoder_cmd,
 830         .vidioc_g_fmt_vid_cap           = cx18_g_fmt_vid_cap,
 831         .vidioc_g_fmt_vbi_cap           = cx18_g_fmt_vbi_cap,
 832         .vidioc_g_fmt_sliced_vbi_cap    = cx18_g_fmt_sliced_vbi_cap,
 833         .vidioc_s_fmt_vid_cap           = cx18_s_fmt_vid_cap,
 834         .vidioc_s_fmt_vbi_cap           = cx18_s_fmt_vbi_cap,
 835         .vidioc_s_fmt_sliced_vbi_cap    = cx18_s_fmt_sliced_vbi_cap,
 836         .vidioc_try_fmt_vid_cap         = cx18_try_fmt_vid_cap,
 837         .vidioc_try_fmt_vbi_cap         = cx18_try_fmt_vbi_cap,
 838         .vidioc_try_fmt_sliced_vbi_cap  = cx18_try_fmt_sliced_vbi_cap,
 839         .vidioc_g_sliced_vbi_cap        = cx18_g_sliced_vbi_cap,
 840         .vidioc_g_chip_ident            = cx18_g_chip_ident,
 841 #ifdef CONFIG_VIDEO_ADV_DEBUG
 842         .vidioc_g_register              = cx18_g_register,
 843         .vidioc_s_register              = cx18_s_register,
 844 #endif
 845         .vidioc_default                 = cx18_default,
 846         .vidioc_queryctrl               = cx18_queryctrl,
 847         .vidioc_querymenu               = cx18_querymenu,
 848         .vidioc_g_ext_ctrls             = cx18_g_ext_ctrls,
 849         .vidioc_s_ext_ctrls             = cx18_s_ext_ctrls,
 850         .vidioc_try_ext_ctrls           = cx18_try_ext_ctrls,
 851 };
 852
 853 void cx18_set_funcs(struct video_device *vdev)
 854 {
 855         vdev->ioctl_ops = &cx18_ioctl_ops;
 856 }