Merge branch 'linus' into oprofile-v2
[linux-2.6] / 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 static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
791         .vidioc_querycap                = cx18_querycap,
792         .vidioc_g_priority              = cx18_g_priority,
793         .vidioc_s_priority              = cx18_s_priority,
794         .vidioc_s_audio                 = cx18_s_audio,
795         .vidioc_g_audio                 = cx18_g_audio,
796         .vidioc_enumaudio               = cx18_enumaudio,
797         .vidioc_enum_input              = cx18_enum_input,
798         .vidioc_cropcap                 = cx18_cropcap,
799         .vidioc_s_crop                  = cx18_s_crop,
800         .vidioc_g_crop                  = cx18_g_crop,
801         .vidioc_g_input                 = cx18_g_input,
802         .vidioc_s_input                 = cx18_s_input,
803         .vidioc_g_frequency             = cx18_g_frequency,
804         .vidioc_s_frequency             = cx18_s_frequency,
805         .vidioc_s_tuner                 = cx18_s_tuner,
806         .vidioc_g_tuner                 = cx18_g_tuner,
807         .vidioc_g_enc_index             = cx18_g_enc_index,
808         .vidioc_g_std                   = cx18_g_std,
809         .vidioc_s_std                   = cx18_s_std,
810         .vidioc_log_status              = cx18_log_status,
811         .vidioc_enum_fmt_vid_cap        = cx18_enum_fmt_vid_cap,
812         .vidioc_encoder_cmd             = cx18_encoder_cmd,
813         .vidioc_try_encoder_cmd         = cx18_try_encoder_cmd,
814         .vidioc_g_fmt_vid_cap           = cx18_g_fmt_vid_cap,
815         .vidioc_g_fmt_vbi_cap           = cx18_g_fmt_vbi_cap,
816         .vidioc_g_fmt_sliced_vbi_cap    = cx18_g_fmt_sliced_vbi_cap,
817         .vidioc_s_fmt_vid_cap           = cx18_s_fmt_vid_cap,
818         .vidioc_s_fmt_vbi_cap           = cx18_s_fmt_vbi_cap,
819         .vidioc_s_fmt_sliced_vbi_cap    = cx18_s_fmt_sliced_vbi_cap,
820         .vidioc_try_fmt_vid_cap         = cx18_try_fmt_vid_cap,
821         .vidioc_try_fmt_vbi_cap         = cx18_try_fmt_vbi_cap,
822         .vidioc_try_fmt_sliced_vbi_cap  = cx18_try_fmt_sliced_vbi_cap,
823         .vidioc_g_sliced_vbi_cap        = cx18_g_sliced_vbi_cap,
824         .vidioc_g_chip_ident            = cx18_g_chip_ident,
825 #ifdef CONFIG_VIDEO_ADV_DEBUG
826         .vidioc_g_register              = cx18_g_register,
827         .vidioc_s_register              = cx18_s_register,
828 #endif
829         .vidioc_default                 = cx18_default,
830         .vidioc_queryctrl               = cx18_queryctrl,
831         .vidioc_querymenu               = cx18_querymenu,
832         .vidioc_g_ext_ctrls             = cx18_g_ext_ctrls,
833         .vidioc_s_ext_ctrls             = cx18_s_ext_ctrls,
834         .vidioc_try_ext_ctrls           = cx18_try_ext_ctrls,
835 };
836
837 void cx18_set_funcs(struct video_device *vdev)
838 {
839         vdev->ioctl_ops = &cx18_ioctl_ops;
840 }