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 (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
 242                 return -EBUSY;
 243
 244         cx->vbi.sliced_in->service_set = 0;
 245         cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
 246         cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
 247         return cx18_g_fmt_vbi_cap(file, fh, fmt);
 248 }
 249
 250 static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
 251                                         struct v4l2_format *fmt)
 252 {
 253         return -EINVAL;
 254 }
 255
 256 static int cx18_g_chip_ident(struct file *file, void *fh,
 257                                 struct v4l2_chip_ident *chip)
 258 {
 259         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 260
 261         chip->ident = V4L2_IDENT_NONE;
 262         chip->revision = 0;
 263         if (chip->match_type == V4L2_CHIP_MATCH_HOST) {
 264                 if (v4l2_chip_match_host(chip->match_type, chip->match_chip))
 265                         chip->ident = V4L2_IDENT_CX23418;
 266                 return 0;
 267         }
 268         if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 269                 return cx18_i2c_id(cx, chip->match_chip, VIDIOC_G_CHIP_IDENT,
 270                                         chip);
 271         if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
 272                 return cx18_call_i2c_client(cx, chip->match_chip,
 273                                                 VIDIOC_G_CHIP_IDENT, chip);
 274         return -EINVAL;
 275 }
 276
 277 #ifdef CONFIG_VIDEO_ADV_DEBUG
 278 static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
 279 {
 280         struct v4l2_register *regs = arg;
 281         unsigned long flags;
 282
 283         if (!capable(CAP_SYS_ADMIN))
 284                 return -EPERM;
 285         if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
 286                 return -EINVAL;
 287
 288         spin_lock_irqsave(&cx18_cards_lock, flags);
 289         if (cmd == VIDIOC_DBG_G_REGISTER)
 290                 regs->val = cx18_read_enc(cx, regs->reg);
 291         else
 292                 cx18_write_enc(cx, regs->val, regs->reg);
 293         spin_unlock_irqrestore(&cx18_cards_lock, flags);
 294         return 0;
 295 }
 296
 297 static int cx18_g_register(struct file *file, void *fh,
 298                                 struct v4l2_register *reg)
 299 {
 300         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 301
 302         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 303                 return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
 304         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 305                 return cx18_i2c_id(cx, reg->match_chip, VIDIOC_DBG_G_REGISTER,
 306                                         reg);
 307         return cx18_call_i2c_client(cx, reg->match_chip, VIDIOC_DBG_G_REGISTER,
 308                                         reg);
 309 }
 310
 311 static int cx18_s_register(struct file *file, void *fh,
 312                                 struct v4l2_register *reg)
 313 {
 314         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 315
 316         if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 317                 return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
 318         if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
 319                 return cx18_i2c_id(cx, reg->match_chip, VIDIOC_DBG_S_REGISTER,
 320                                         reg);
 321         return cx18_call_i2c_client(cx, reg->match_chip, VIDIOC_DBG_S_REGISTER,
 322                                         reg);
 323 }
 324 #endif
 325
 326 static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
 327 {
 328         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 329
 330         *p = v4l2_prio_max(&cx->prio);
 331         return 0;
 332 }
 333
 334 static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
 335 {
 336         struct cx18_open_id *id = fh;
 337         struct cx18 *cx = id->cx;
 338
 339         return v4l2_prio_change(&cx->prio, &id->prio, prio);
 340 }
 341
 342 static int cx18_querycap(struct file *file, void *fh,
 343                                 struct v4l2_capability *vcap)
 344 {
 345         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 346
 347         strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
 348         strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
 349         snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(cx->dev));
 350         vcap->version = CX18_DRIVER_VERSION;        /* version */
 351         vcap->capabilities = cx->v4l2_cap;          /* capabilities */
 352         return 0;
 353 }
 354
 355 static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 356 {
 357         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 358
 359         return cx18_get_audio_input(cx, vin->index, vin);
 360 }
 361
 362 static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 363 {
 364         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 365
 366         vin->index = cx->audio_input;
 367         return cx18_get_audio_input(cx, vin->index, vin);
 368 }
 369
 370 static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
 371 {
 372         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 373
 374         if (vout->index >= cx->nof_audio_inputs)
 375                 return -EINVAL;
 376         cx->audio_input = vout->index;
 377         cx18_audio_set_io(cx);
 378         return 0;
 379 }
 380
 381 static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 382 {
 383         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 384
 385         /* set it to defaults from our table */
 386         return cx18_get_input(cx, vin->index, vin);
 387 }
 388
 389 static int cx18_cropcap(struct file *file, void *fh,
 390                         struct v4l2_cropcap *cropcap)
 391 {
 392         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 393
 394         if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 395                 return -EINVAL;
 396         cropcap->bounds.top = cropcap->bounds.left = 0;
 397         cropcap->bounds.width = 720;
 398         cropcap->bounds.height = cx->is_50hz ? 576 : 480;
 399         cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10;
 400         cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11;
 401         cropcap->defrect = cropcap->bounds;
 402         return 0;
 403 }
 404
 405 static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 406 {
 407         struct cx18_open_id *id = fh;
 408         struct cx18 *cx = id->cx;
 409         int ret;
 410
 411         ret = v4l2_prio_check(&cx->prio, &id->prio);
 412         if (ret)
 413                 return ret;
 414
 415         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 416                 return -EINVAL;
 417         return cx18_av_cmd(cx, VIDIOC_S_CROP, crop);
 418 }
 419
 420 static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 421 {
 422         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 423
 424         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 425                 return -EINVAL;
 426         return cx18_av_cmd(cx, VIDIOC_G_CROP, crop);
 427 }
 428
 429 static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
 430                                         struct v4l2_fmtdesc *fmt)
 431 {
 432         static struct v4l2_fmtdesc formats[] = {
 433                 { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
 434                   "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
 435                 },
 436                 { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
 437                   "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
 438                 }
 439         };
 440
 441         if (fmt->index > 1)
 442                 return -EINVAL;
 443         *fmt = formats[fmt->index];
 444         return 0;
 445 }
 446
 447 static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
 448 {
 449         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 450
 451         *i = cx->active_input;
 452         return 0;
 453 }
 454
 455 int cx18_s_input(struct file *file, void *fh, unsigned int inp)
 456 {
 457         struct cx18_open_id *id = fh;
 458         struct cx18 *cx = id->cx;
 459         int ret;
 460
 461         ret = v4l2_prio_check(&cx->prio, &id->prio);
 462         if (ret)
 463                 return ret;
 464
 465         if (inp < 0 || inp >= cx->nof_inputs)
 466                 return -EINVAL;
 467
 468         if (inp == cx->active_input) {
 469                 CX18_DEBUG_INFO("Input unchanged\n");
 470                 return 0;
 471         }
 472
 473         CX18_DEBUG_INFO("Changing input from %d to %d\n",
 474                         cx->active_input, inp);
 475
 476         cx->active_input = inp;
 477         /* Set the audio input to whatever is appropriate for the input type. */
 478         cx->audio_input = cx->card->video_inputs[inp].audio_index;
 479
 480         /* prevent others from messing with the streams until
 481            we're finished changing inputs. */
 482         cx18_mute(cx);
 483         cx18_video_set_io(cx);
 484         cx18_audio_set_io(cx);
 485         cx18_unmute(cx);
 486         return 0;
 487 }
 488
 489 static int cx18_g_frequency(struct file *file, void *fh,
 490                                 struct v4l2_frequency *vf)
 491 {
 492         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 493
 494         if (vf->tuner != 0)
 495                 return -EINVAL;
 496
 497         cx18_call_i2c_clients(cx, VIDIOC_G_FREQUENCY, vf);
 498         return 0;
 499 }
 500
 501 int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
 502 {
 503         struct cx18_open_id *id = fh;
 504         struct cx18 *cx = id->cx;
 505         int ret;
 506
 507         ret = v4l2_prio_check(&cx->prio, &id->prio);
 508         if (ret)
 509                 return ret;
 510
 511         if (vf->tuner != 0)
 512                 return -EINVAL;
 513
 514         cx18_mute(cx);
 515         CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
 516         cx18_call_i2c_clients(cx, VIDIOC_S_FREQUENCY, vf);
 517         cx18_unmute(cx);
 518         return 0;
 519 }
 520
 521 static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
 522 {
 523         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 524
 525         *std = cx->std;
 526         return 0;
 527 }
 528
 529 int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
 530 {
 531         struct cx18_open_id *id = fh;
 532         struct cx18 *cx = id->cx;
 533         int ret;
 534
 535         ret = v4l2_prio_check(&cx->prio, &id->prio);
 536         if (ret)
 537                 return ret;
 538
 539         if ((*std & V4L2_STD_ALL) == 0)
 540                 return -EINVAL;
 541
 542         if (*std == cx->std)
 543                 return 0;
 544
 545         if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
 546             atomic_read(&cx->ana_capturing) > 0) {
 547                 /* Switching standard would turn off the radio or mess
 548                    with already running streams, prevent that by
 549                    returning EBUSY. */
 550                 return -EBUSY;
 551         }
 552
 553         cx->std = *std;
 554         cx->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
 555         cx->params.is_50hz = cx->is_50hz = !cx->is_60hz;
 556         cx->params.width = 720;
 557         cx->params.height = cx->is_50hz ? 576 : 480;
 558         cx->vbi.count = cx->is_50hz ? 18 : 12;
 559         cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
 560         cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
 561         cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284;
 562         CX18_DEBUG_INFO("Switching standard to %llx.\n",
 563                         (unsigned long long) cx->std);
 564
 565         /* Tuner */
 566         cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
 567         return 0;
 568 }
 569
 570 static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 571 {
 572         struct cx18_open_id *id = fh;
 573         struct cx18 *cx = id->cx;
 574         int ret;
 575
 576         ret = v4l2_prio_check(&cx->prio, &id->prio);
 577         if (ret)
 578                 return ret;
 579
 580         if (vt->index != 0)
 581                 return -EINVAL;
 582
 583         /* Setting tuner can only set audio mode */
 584         cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt);
 585
 586         return 0;
 587 }
 588
 589 static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 590 {
 591         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 592
 593         if (vt->index != 0)
 594                 return -EINVAL;
 595
 596         cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt);
 597
 598         if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
 599                 strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
 600                 vt->type = V4L2_TUNER_RADIO;
 601         } else {
 602                 strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
 603                 vt->type = V4L2_TUNER_ANALOG_TV;
 604         }
 605
 606         return 0;
 607 }
 608
 609 static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
 610                                         struct v4l2_sliced_vbi_cap *cap)
 611 {
 612         return -EINVAL;
 613 }
 614
 615 static int cx18_g_enc_index(struct file *file, void *fh,
 616                                 struct v4l2_enc_idx *idx)
 617 {
 618         return -EINVAL;
 619 }
 620
 621 static int cx18_encoder_cmd(struct file *file, void *fh,
 622                                 struct v4l2_encoder_cmd *enc)
 623 {
 624         struct cx18_open_id *id = fh;
 625         struct cx18 *cx = id->cx;
 626         u32 h;
 627
 628         switch (enc->cmd) {
 629         case V4L2_ENC_CMD_START:
 630                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
 631                 enc->flags = 0;
 632                 return cx18_start_capture(id);
 633
 634         case V4L2_ENC_CMD_STOP:
 635                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
 636                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
 637                 cx18_stop_capture(id,
 638                                   enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
 639                 break;
 640
 641         case V4L2_ENC_CMD_PAUSE:
 642                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
 643                 enc->flags = 0;
 644                 if (!atomic_read(&cx->ana_capturing))
 645                         return -EPERM;
 646                 if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
 647                         return 0;
 648                 h = cx18_find_handle(cx);
 649                 if (h == CX18_INVALID_TASK_HANDLE) {
 650                         CX18_ERR("Can't find valid task handle for "
 651                                  "V4L2_ENC_CMD_PAUSE\n");
 652                         return -EBADFD;
 653                 }
 654                 cx18_mute(cx);
 655                 cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h);
 656                 break;
 657
 658         case V4L2_ENC_CMD_RESUME:
 659                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
 660                 enc->flags = 0;
 661                 if (!atomic_read(&cx->ana_capturing))
 662                         return -EPERM;
 663                 if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
 664                         return 0;
 665                 h = cx18_find_handle(cx);
 666                 if (h == CX18_INVALID_TASK_HANDLE) {
 667                         CX18_ERR("Can't find valid task handle for "
 668                                  "V4L2_ENC_CMD_RESUME\n");
 669                         return -EBADFD;
 670                 }
 671                 cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h);
 672                 cx18_unmute(cx);
 673                 break;
 674
 675         default:
 676                 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
 677                 return -EINVAL;
 678         }
 679         return 0;
 680 }
 681
 682 static int cx18_try_encoder_cmd(struct file *file, void *fh,
 683                                 struct v4l2_encoder_cmd *enc)
 684 {
 685         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 686
 687         switch (enc->cmd) {
 688         case V4L2_ENC_CMD_START:
 689                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
 690                 enc->flags = 0;
 691                 break;
 692
 693         case V4L2_ENC_CMD_STOP:
 694                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
 695                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
 696                 break;
 697
 698         case V4L2_ENC_CMD_PAUSE:
 699                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
 700                 enc->flags = 0;
 701                 break;
 702
 703         case V4L2_ENC_CMD_RESUME:
 704                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
 705                 enc->flags = 0;
 706                 break;
 707
 708         default:
 709                 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
 710                 return -EINVAL;
 711         }
 712         return 0;
 713 }
 714
 715 static int cx18_log_status(struct file *file, void *fh)
 716 {
 717         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 718         struct v4l2_input vidin;
 719         struct v4l2_audio audin;
 720         int i;
 721
 722         CX18_INFO("=================  START STATUS CARD #%d  =================\n", cx->num);
 723         if (cx->hw_flags & CX18_HW_TVEEPROM) {
 724                 struct tveeprom tv;
 725
 726                 cx18_read_eeprom(cx, &tv);
 727         }
 728         cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL);
 729         cx18_get_input(cx, cx->active_input, &vidin);
 730         cx18_get_audio_input(cx, cx->audio_input, &audin);
 731         CX18_INFO("Video Input: %s\n", vidin.name);
 732         CX18_INFO("Audio Input: %s\n", audin.name);
 733         mutex_lock(&cx->gpio_lock);
 734         CX18_INFO("GPIO:  direction 0x%08x, value 0x%08x\n",
 735                 cx->gpio_dir, cx->gpio_val);
 736         mutex_unlock(&cx->gpio_lock);
 737         CX18_INFO("Tuner: %s\n",
 738                 test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ?  "Radio" : "TV");
 739         cx2341x_log_status(&cx->params, cx->name);
 740         CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
 741         for (i = 0; i < CX18_MAX_STREAMS; i++) {
 742                 struct cx18_stream *s = &cx->streams[i];
 743
 744                 if (s->v4l2dev == NULL || s->buffers == 0)
 745                         continue;
 746                 CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
 747                           s->name, s->s_flags,
 748                           atomic_read(&s->q_full.buffers) * 100 / s->buffers,
 749                           (s->buffers * s->buf_size) / 1024, s->buffers);
 750         }
 751         CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
 752                         (long long)cx->mpg_data_received,
 753                         (long long)cx->vbi_data_inserted);
 754         CX18_INFO("==================  END STATUS CARD #%d  ==================\n", cx->num);
 755         return 0;
 756 }
 757
 758 static int cx18_default(struct file *file, void *fh, int cmd, void *arg)
 759 {
 760         struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 761
 762         switch (cmd) {
 763         case VIDIOC_INT_S_AUDIO_ROUTING: {
 764                 struct v4l2_routing *route = arg;
 765
 766                 CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING(%d, %d)\n",
 767                         route->input, route->output);
 768                 cx18_audio_set_route(cx, route);
 769                 break;
 770         }
 771
 772         case VIDIOC_INT_RESET: {
 773                 u32 val = *(u32 *)arg;
 774
 775                 if ((val == 0) || (val & 0x01))
 776                         cx18_reset_ir_gpio(&cx->i2c_algo_cb_data[0]);
 777                 break;
 778         }
 779
 780         default:
 781                 return -EINVAL;
 782         }
 783         return 0;
 784 }
 785
 786 int cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
 787                     unsigned long arg)
 788 {
 789         struct video_device *vfd = video_devdata(filp);
 790         struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
 791         struct cx18 *cx = id->cx;
 792         int res;
 793
 794         mutex_lock(&cx->serialize_lock);
 795
 796         if (cx18_debug & CX18_DBGFLG_IOCTL)
 797                 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
 798         res = video_ioctl2(filp, cmd, arg);
 799         vfd->debug = 0;
 800         mutex_unlock(&cx->serialize_lock);
 801         return res;
 802 }
 803
 804 static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
 805         .vidioc_querycap                = cx18_querycap,
 806         .vidioc_g_priority              = cx18_g_priority,
 807         .vidioc_s_priority              = cx18_s_priority,
 808         .vidioc_s_audio                 = cx18_s_audio,
 809         .vidioc_g_audio                 = cx18_g_audio,
 810         .vidioc_enumaudio               = cx18_enumaudio,
 811         .vidioc_enum_input              = cx18_enum_input,
 812         .vidioc_cropcap                 = cx18_cropcap,
 813         .vidioc_s_crop                  = cx18_s_crop,
 814         .vidioc_g_crop                  = cx18_g_crop,
 815         .vidioc_g_input                 = cx18_g_input,
 816         .vidioc_s_input                 = cx18_s_input,
 817         .vidioc_g_frequency             = cx18_g_frequency,
 818         .vidioc_s_frequency             = cx18_s_frequency,
 819         .vidioc_s_tuner                 = cx18_s_tuner,
 820         .vidioc_g_tuner                 = cx18_g_tuner,
 821         .vidioc_g_enc_index             = cx18_g_enc_index,
 822         .vidioc_g_std                   = cx18_g_std,
 823         .vidioc_s_std                   = cx18_s_std,
 824         .vidioc_log_status              = cx18_log_status,
 825         .vidioc_enum_fmt_vid_cap        = cx18_enum_fmt_vid_cap,
 826         .vidioc_encoder_cmd             = cx18_encoder_cmd,
 827         .vidioc_try_encoder_cmd         = cx18_try_encoder_cmd,
 828         .vidioc_g_fmt_vid_cap           = cx18_g_fmt_vid_cap,
 829         .vidioc_g_fmt_vbi_cap           = cx18_g_fmt_vbi_cap,
 830         .vidioc_g_fmt_sliced_vbi_cap    = cx18_g_fmt_sliced_vbi_cap,
 831         .vidioc_s_fmt_vid_cap           = cx18_s_fmt_vid_cap,
 832         .vidioc_s_fmt_vbi_cap           = cx18_s_fmt_vbi_cap,
 833         .vidioc_s_fmt_sliced_vbi_cap    = cx18_s_fmt_sliced_vbi_cap,
 834         .vidioc_try_fmt_vid_cap         = cx18_try_fmt_vid_cap,
 835         .vidioc_try_fmt_vbi_cap         = cx18_try_fmt_vbi_cap,
 836         .vidioc_try_fmt_sliced_vbi_cap  = cx18_try_fmt_sliced_vbi_cap,
 837         .vidioc_g_sliced_vbi_cap        = cx18_g_sliced_vbi_cap,
 838         .vidioc_g_chip_ident            = cx18_g_chip_ident,
 839 #ifdef CONFIG_VIDEO_ADV_DEBUG
 840         .vidioc_g_register              = cx18_g_register,
 841         .vidioc_s_register              = cx18_s_register,
 842 #endif
 843         .vidioc_default                 = cx18_default,
 844         .vidioc_queryctrl               = cx18_queryctrl,
 845         .vidioc_querymenu               = cx18_querymenu,
 846         .vidioc_g_ext_ctrls             = cx18_g_ext_ctrls,
 847         .vidioc_s_ext_ctrls             = cx18_s_ext_ctrls,
 848         .vidioc_try_ext_ctrls           = cx18_try_ext_ctrls,
 849 };
 850
 851 void cx18_set_funcs(struct video_device *vdev)
 852 {
 853         vdev->ioctl_ops = &cx18_ioctl_ops;
 854 }