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path: root/drivers/media/video/cx18/cx18-ioctl.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-ioctl.c')
-rw-r--r--drivers/media/video/cx18/cx18-ioctl.c851
1 files changed, 851 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c
new file mode 100644
index 000000000000..4a93af2e4bb6
--- /dev/null
+++ b/drivers/media/video/cx18/cx18-ioctl.c
@@ -0,0 +1,851 @@
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
43u16 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
59static 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
65static 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
91void 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
103static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
104{
105 int f, l;
106 u16 set = 0;
107
108 for (f = 0; f < 2; f++) {
109 for (l = 0; l < 24; l++) {
110 fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
111 set |= fmt->service_lines[f][l];
112 }
113 }
114 return set != 0;
115}
116
117u16 get_service_set(struct v4l2_sliced_vbi_format *fmt)
118{
119 int f, l;
120 u16 set = 0;
121
122 for (f = 0; f < 2; f++) {
123 for (l = 0; l < 24; l++)
124 set |= fmt->service_lines[f][l];
125 }
126 return set;
127}
128
129static const struct {
130 v4l2_std_id std;
131 char *name;
132} enum_stds[] = {
133 { V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" },
134 { V4L2_STD_PAL_DK, "PAL-DK" },
135 { V4L2_STD_PAL_I, "PAL-I" },
136 { V4L2_STD_PAL_M, "PAL-M" },
137 { V4L2_STD_PAL_N, "PAL-N" },
138 { V4L2_STD_PAL_Nc, "PAL-Nc" },
139 { V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" },
140 { V4L2_STD_SECAM_DK, "SECAM-DK" },
141 { V4L2_STD_SECAM_L, "SECAM-L" },
142 { V4L2_STD_SECAM_LC, "SECAM-L'" },
143 { V4L2_STD_NTSC_M, "NTSC-M" },
144 { V4L2_STD_NTSC_M_JP, "NTSC-J" },
145 { V4L2_STD_NTSC_M_KR, "NTSC-K" },
146};
147
148static const struct v4l2_standard cx18_std_60hz = {
149 .frameperiod = {.numerator = 1001, .denominator = 30000},
150 .framelines = 525,
151};
152
153static const struct v4l2_standard cx18_std_50hz = {
154 .frameperiod = { .numerator = 1, .denominator = 25 },
155 .framelines = 625,
156};
157
158static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
159{
160 struct v4l2_register *regs = arg;
161 unsigned long flags;
162
163 if (!capable(CAP_SYS_ADMIN))
164 return -EPERM;
165 if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
166 return -EINVAL;
167
168 spin_lock_irqsave(&cx18_cards_lock, flags);
169 if (cmd == VIDIOC_DBG_G_REGISTER)
170 regs->val = read_enc(regs->reg);
171 else
172 write_enc(regs->val, regs->reg);
173 spin_unlock_irqrestore(&cx18_cards_lock, flags);
174 return 0;
175}
176
177static int cx18_get_fmt(struct cx18 *cx, int streamtype, struct v4l2_format *fmt)
178{
179 switch (fmt->type) {
180 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
181 fmt->fmt.pix.width = cx->params.width;
182 fmt->fmt.pix.height = cx->params.height;
183 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
184 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
185 if (streamtype == CX18_ENC_STREAM_TYPE_YUV) {
186 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
187 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
188 fmt->fmt.pix.sizeimage =
189 fmt->fmt.pix.height * fmt->fmt.pix.width +
190 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
191 } else {
192 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
193 fmt->fmt.pix.sizeimage = 128 * 1024;
194 }
195 break;
196
197 case V4L2_BUF_TYPE_VBI_CAPTURE:
198 fmt->fmt.vbi.sampling_rate = 27000000;
199 fmt->fmt.vbi.offset = 248;
200 fmt->fmt.vbi.samples_per_line = cx->vbi.raw_decoder_line_size - 4;
201 fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
202 fmt->fmt.vbi.start[0] = cx->vbi.start[0];
203 fmt->fmt.vbi.start[1] = cx->vbi.start[1];
204 fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = cx->vbi.count;
205 break;
206
207 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
208 {
209 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
210
211 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
212 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
213 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
214
215 cx18_av_cmd(cx, VIDIOC_G_FMT, fmt);
216 vbifmt->service_set = get_service_set(vbifmt);
217 break;
218 }
219 default:
220 return -EINVAL;
221 }
222 return 0;
223}
224
225static int cx18_try_or_set_fmt(struct cx18 *cx, int streamtype,
226 struct v4l2_format *fmt, int set_fmt)
227{
228 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
229 u16 set;
230
231 /* set window size */
232 if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
233 int w = fmt->fmt.pix.width;
234 int h = fmt->fmt.pix.height;
235
236 if (w > 720)
237 w = 720;
238 else if (w < 1)
239 w = 1;
240 if (h > (cx->is_50hz ? 576 : 480))
241 h = (cx->is_50hz ? 576 : 480);
242 else if (h < 2)
243 h = 2;
244 cx18_get_fmt(cx, streamtype, fmt);
245 fmt->fmt.pix.width = w;
246 fmt->fmt.pix.height = h;
247
248 if (!set_fmt || (cx->params.width == w && cx->params.height == h))
249 return 0;
250 if (atomic_read(&cx->capturing) > 0)
251 return -EBUSY;
252
253 cx->params.width = w;
254 cx->params.height = h;
255 if (w != 720 || h != (cx->is_50hz ? 576 : 480))
256 cx->params.video_temporal_filter = 0;
257 else
258 cx->params.video_temporal_filter = 8;
259 cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
260 return cx18_get_fmt(cx, streamtype, fmt);
261 }
262
263 /* set raw VBI format */
264 if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
265 if (set_fmt && streamtype == CX18_ENC_STREAM_TYPE_VBI &&
266 cx->vbi.sliced_in->service_set &&
267 atomic_read(&cx->capturing) > 0)
268 return -EBUSY;
269 if (set_fmt) {
270 cx->vbi.sliced_in->service_set = 0;
271 cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in);
272 }
273 return cx18_get_fmt(cx, streamtype, fmt);
274 }
275
276 /* any else but sliced VBI capture is an error */
277 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
278 return -EINVAL;
279
280 /* TODO: implement sliced VBI, for now silently return 0 */
281 return 0;
282
283 /* set sliced VBI capture format */
284 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
285 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
286
287 if (vbifmt->service_set)
288 expand_service_set(vbifmt, cx->is_50hz);
289 set = check_service_set(vbifmt, cx->is_50hz);
290 vbifmt->service_set = get_service_set(vbifmt);
291
292 if (!set_fmt)
293 return 0;
294 if (set == 0)
295 return -EINVAL;
296 if (atomic_read(&cx->capturing) > 0 && cx->vbi.sliced_in->service_set == 0)
297 return -EBUSY;
298 cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
299 memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in));
300 return 0;
301}
302
303static int cx18_debug_ioctls(struct file *filp, unsigned int cmd, void *arg)
304{
305 struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
306 struct cx18 *cx = id->cx;
307 struct v4l2_register *reg = arg;
308
309 switch (cmd) {
310 /* ioctls to allow direct access to the encoder registers for testing */
311 case VIDIOC_DBG_G_REGISTER:
312 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
313 return cx18_cxc(cx, cmd, arg);
314 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
315 return cx18_i2c_id(cx, reg->match_chip, cmd, arg);
316 return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg);
317
318 case VIDIOC_DBG_S_REGISTER:
319 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
320 return cx18_cxc(cx, cmd, arg);
321 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
322 return cx18_i2c_id(cx, reg->match_chip, cmd, arg);
323 return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg);
324
325 case VIDIOC_G_CHIP_IDENT: {
326 struct v4l2_chip_ident *chip = arg;
327
328 chip->ident = V4L2_IDENT_NONE;
329 chip->revision = 0;
330 if (reg->match_type == V4L2_CHIP_MATCH_HOST) {
331 if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) {
332 struct v4l2_chip_ident *chip = arg;
333
334 chip->ident = V4L2_IDENT_CX23418;
335 }
336 return 0;
337 }
338 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
339 return cx18_i2c_id(cx, reg->match_chip, cmd, arg);
340 if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
341 return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg);
342 return -EINVAL;
343 }
344
345 case VIDIOC_INT_S_AUDIO_ROUTING: {
346 struct v4l2_routing *route = arg;
347
348 cx18_audio_set_route(cx, route);
349 break;
350 }
351
352 default:
353 return -EINVAL;
354 }
355 return 0;
356}
357
358int cx18_v4l2_ioctls(struct cx18 *cx, struct file *filp, unsigned cmd, void *arg)
359{
360 struct cx18_open_id *id = NULL;
361
362 if (filp)
363 id = (struct cx18_open_id *)filp->private_data;
364
365 switch (cmd) {
366 case VIDIOC_G_PRIORITY:
367 {
368 enum v4l2_priority *p = arg;
369
370 *p = v4l2_prio_max(&cx->prio);
371 break;
372 }
373
374 case VIDIOC_S_PRIORITY:
375 {
376 enum v4l2_priority *prio = arg;
377
378 return v4l2_prio_change(&cx->prio, &id->prio, *prio);
379 }
380
381 case VIDIOC_QUERYCAP:{
382 struct v4l2_capability *vcap = arg;
383
384 memset(vcap, 0, sizeof(*vcap));
385 strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
386 strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
387 strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info));
388 vcap->version = CX18_DRIVER_VERSION; /* version */
389 vcap->capabilities = cx->v4l2_cap; /* capabilities */
390
391 /* reserved.. must set to 0! */
392 vcap->reserved[0] = vcap->reserved[1] =
393 vcap->reserved[2] = vcap->reserved[3] = 0;
394 break;
395 }
396
397 case VIDIOC_ENUMAUDIO:{
398 struct v4l2_audio *vin = arg;
399
400 return cx18_get_audio_input(cx, vin->index, vin);
401 }
402
403 case VIDIOC_G_AUDIO:{
404 struct v4l2_audio *vin = arg;
405
406 vin->index = cx->audio_input;
407 return cx18_get_audio_input(cx, vin->index, vin);
408 }
409
410 case VIDIOC_S_AUDIO:{
411 struct v4l2_audio *vout = arg;
412
413 if (vout->index >= cx->nof_audio_inputs)
414 return -EINVAL;
415 cx->audio_input = vout->index;
416 cx18_audio_set_io(cx);
417 break;
418 }
419
420 case VIDIOC_ENUMINPUT:{
421 struct v4l2_input *vin = arg;
422
423 /* set it to defaults from our table */
424 return cx18_get_input(cx, vin->index, vin);
425 }
426
427 case VIDIOC_TRY_FMT:
428 case VIDIOC_S_FMT: {
429 struct v4l2_format *fmt = arg;
430
431 return cx18_try_or_set_fmt(cx, id->type, fmt, cmd == VIDIOC_S_FMT);
432 }
433
434 case VIDIOC_G_FMT: {
435 struct v4l2_format *fmt = arg;
436 int type = fmt->type;
437
438 memset(fmt, 0, sizeof(*fmt));
439 fmt->type = type;
440 return cx18_get_fmt(cx, id->type, fmt);
441 }
442
443 case VIDIOC_CROPCAP: {
444 struct v4l2_cropcap *cropcap = arg;
445
446 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
447 return -EINVAL;
448 cropcap->bounds.top = cropcap->bounds.left = 0;
449 cropcap->bounds.width = 720;
450 cropcap->bounds.height = cx->is_50hz ? 576 : 480;
451 cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10;
452 cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11;
453 cropcap->defrect = cropcap->bounds;
454 return 0;
455 }
456
457 case VIDIOC_S_CROP: {
458 struct v4l2_crop *crop = arg;
459
460 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
461 return -EINVAL;
462 return cx18_av_cmd(cx, VIDIOC_S_CROP, arg);
463 }
464
465 case VIDIOC_G_CROP: {
466 struct v4l2_crop *crop = arg;
467
468 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
469 return -EINVAL;
470 return cx18_av_cmd(cx, VIDIOC_G_CROP, arg);
471 }
472
473 case VIDIOC_ENUM_FMT: {
474 static struct v4l2_fmtdesc formats[] = {
475 { 0, 0, 0,
476 "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12,
477 { 0, 0, 0, 0 }
478 },
479 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
480 "MPEG", V4L2_PIX_FMT_MPEG,
481 { 0, 0, 0, 0 }
482 }
483 };
484 struct v4l2_fmtdesc *fmt = arg;
485 enum v4l2_buf_type type = fmt->type;
486
487 switch (type) {
488 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
489 break;
490 default:
491 return -EINVAL;
492 }
493 if (fmt->index > 1)
494 return -EINVAL;
495 *fmt = formats[fmt->index];
496 fmt->type = type;
497 return 0;
498 }
499
500 case VIDIOC_G_INPUT:{
501 *(int *)arg = cx->active_input;
502 break;
503 }
504
505 case VIDIOC_S_INPUT:{
506 int inp = *(int *)arg;
507
508 if (inp < 0 || inp >= cx->nof_inputs)
509 return -EINVAL;
510
511 if (inp == cx->active_input) {
512 CX18_DEBUG_INFO("Input unchanged\n");
513 break;
514 }
515 CX18_DEBUG_INFO("Changing input from %d to %d\n",
516 cx->active_input, inp);
517
518 cx->active_input = inp;
519 /* Set the audio input to whatever is appropriate for the
520 input type. */
521 cx->audio_input = cx->card->video_inputs[inp].audio_index;
522
523 /* prevent others from messing with the streams until
524 we're finished changing inputs. */
525 cx18_mute(cx);
526 cx18_video_set_io(cx);
527 cx18_audio_set_io(cx);
528 cx18_unmute(cx);
529 break;
530 }
531
532 case VIDIOC_G_FREQUENCY:{
533 struct v4l2_frequency *vf = arg;
534
535 if (vf->tuner != 0)
536 return -EINVAL;
537 cx18_call_i2c_clients(cx, cmd, arg);
538 break;
539 }
540
541 case VIDIOC_S_FREQUENCY:{
542 struct v4l2_frequency vf = *(struct v4l2_frequency *)arg;
543
544 if (vf.tuner != 0)
545 return -EINVAL;
546
547 cx18_mute(cx);
548 CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency);
549 cx18_call_i2c_clients(cx, cmd, &vf);
550 cx18_unmute(cx);
551 break;
552 }
553
554 case VIDIOC_ENUMSTD:{
555 struct v4l2_standard *vs = arg;
556 int idx = vs->index;
557
558 if (idx < 0 || idx >= ARRAY_SIZE(enum_stds))
559 return -EINVAL;
560
561 *vs = (enum_stds[idx].std & V4L2_STD_525_60) ?
562 cx18_std_60hz : cx18_std_50hz;
563 vs->index = idx;
564 vs->id = enum_stds[idx].std;
565 strlcpy(vs->name, enum_stds[idx].name, sizeof(vs->name));
566 break;
567 }
568
569 case VIDIOC_G_STD:{
570 *(v4l2_std_id *) arg = cx->std;
571 break;
572 }
573
574 case VIDIOC_S_STD: {
575 v4l2_std_id std = *(v4l2_std_id *) arg;
576
577 if ((std & V4L2_STD_ALL) == 0)
578 return -EINVAL;
579
580 if (std == cx->std)
581 break;
582
583 if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
584 atomic_read(&cx->capturing) > 0) {
585 /* Switching standard would turn off the radio or mess
586 with already running streams, prevent that by
587 returning EBUSY. */
588 return -EBUSY;
589 }
590
591 cx->std = std;
592 cx->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
593 cx->params.is_50hz = cx->is_50hz = !cx->is_60hz;
594 cx->params.width = 720;
595 cx->params.height = cx->is_50hz ? 576 : 480;
596 cx->vbi.count = cx->is_50hz ? 18 : 12;
597 cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
598 cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
599 cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284;
600 CX18_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)cx->std);
601
602 /* Tuner */
603 cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
604 break;
605 }
606
607 case VIDIOC_S_TUNER: { /* Setting tuner can only set audio mode */
608 struct v4l2_tuner *vt = arg;
609
610 if (vt->index != 0)
611 return -EINVAL;
612
613 cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt);
614 break;
615 }
616
617 case VIDIOC_G_TUNER: {
618 struct v4l2_tuner *vt = arg;
619
620 if (vt->index != 0)
621 return -EINVAL;
622
623 memset(vt, 0, sizeof(*vt));
624 cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt);
625
626 if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
627 strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
628 vt->type = V4L2_TUNER_RADIO;
629 } else {
630 strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
631 vt->type = V4L2_TUNER_ANALOG_TV;
632 }
633 break;
634 }
635
636 case VIDIOC_G_SLICED_VBI_CAP: {
637 struct v4l2_sliced_vbi_cap *cap = arg;
638 int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
639 int f, l;
640 enum v4l2_buf_type type = cap->type;
641
642 memset(cap, 0, sizeof(*cap));
643 cap->type = type;
644 if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
645 for (f = 0; f < 2; f++) {
646 for (l = 0; l < 24; l++) {
647 if (valid_service_line(f, l, cx->is_50hz))
648 cap->service_lines[f][l] = set;
649 }
650 }
651 return 0;
652 }
653 return -EINVAL;
654 }
655
656 case VIDIOC_ENCODER_CMD:
657 case VIDIOC_TRY_ENCODER_CMD: {
658 struct v4l2_encoder_cmd *enc = arg;
659 int try = cmd == VIDIOC_TRY_ENCODER_CMD;
660
661 memset(&enc->raw, 0, sizeof(enc->raw));
662 switch (enc->cmd) {
663 case V4L2_ENC_CMD_START:
664 enc->flags = 0;
665 if (try)
666 return 0;
667 return cx18_start_capture(id);
668
669 case V4L2_ENC_CMD_STOP:
670 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
671 if (try)
672 return 0;
673 cx18_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
674 return 0;
675
676 case V4L2_ENC_CMD_PAUSE:
677 enc->flags = 0;
678 if (try)
679 return 0;
680 if (!atomic_read(&cx->capturing))
681 return -EPERM;
682 if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
683 return 0;
684 cx18_mute(cx);
685 cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx));
686 break;
687
688 case V4L2_ENC_CMD_RESUME:
689 enc->flags = 0;
690 if (try)
691 return 0;
692 if (!atomic_read(&cx->capturing))
693 return -EPERM;
694 if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
695 return 0;
696 cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx));
697 cx18_unmute(cx);
698 break;
699 default:
700 return -EINVAL;
701 }
702 break;
703 }
704
705 case VIDIOC_LOG_STATUS:
706 {
707 struct v4l2_input vidin;
708 struct v4l2_audio audin;
709 int i;
710
711 CX18_INFO("================= START STATUS CARD #%d =================\n", cx->num);
712 if (cx->hw_flags & CX18_HW_TVEEPROM) {
713 struct tveeprom tv;
714
715 cx18_read_eeprom(cx, &tv);
716 }
717 cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL);
718 cx18_get_input(cx, cx->active_input, &vidin);
719 cx18_get_audio_input(cx, cx->audio_input, &audin);
720 CX18_INFO("Video Input: %s\n", vidin.name);
721 CX18_INFO("Audio Input: %s\n", audin.name);
722 CX18_INFO("Tuner: %s\n",
723 test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ?
724 "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 break;
742 }
743
744 default:
745 return -EINVAL;
746 }
747 return 0;
748}
749
750static int cx18_v4l2_do_ioctl(struct inode *inode, struct file *filp,
751 unsigned int cmd, void *arg)
752{
753 struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
754 struct cx18 *cx = id->cx;
755 int ret;
756
757 /* check priority */
758 switch (cmd) {
759 case VIDIOC_S_CTRL:
760 case VIDIOC_S_STD:
761 case VIDIOC_S_INPUT:
762 case VIDIOC_S_TUNER:
763 case VIDIOC_S_FREQUENCY:
764 case VIDIOC_S_FMT:
765 case VIDIOC_S_CROP:
766 case VIDIOC_S_EXT_CTRLS:
767 ret = v4l2_prio_check(&cx->prio, &id->prio);
768 if (ret)
769 return ret;
770 }
771
772 switch (cmd) {
773 case VIDIOC_DBG_G_REGISTER:
774 case VIDIOC_DBG_S_REGISTER:
775 case VIDIOC_G_CHIP_IDENT:
776 case VIDIOC_INT_S_AUDIO_ROUTING:
777 case VIDIOC_INT_RESET:
778 if (cx18_debug & CX18_DBGFLG_IOCTL) {
779 printk(KERN_INFO "cx18%d ioctl: ", cx->num);
780 v4l_printk_ioctl(cmd);
781 }
782 return cx18_debug_ioctls(filp, cmd, arg);
783
784 case VIDIOC_G_PRIORITY:
785 case VIDIOC_S_PRIORITY:
786 case VIDIOC_QUERYCAP:
787 case VIDIOC_ENUMINPUT:
788 case VIDIOC_G_INPUT:
789 case VIDIOC_S_INPUT:
790 case VIDIOC_G_FMT:
791 case VIDIOC_S_FMT:
792 case VIDIOC_TRY_FMT:
793 case VIDIOC_ENUM_FMT:
794 case VIDIOC_CROPCAP:
795 case VIDIOC_G_CROP:
796 case VIDIOC_S_CROP:
797 case VIDIOC_G_FREQUENCY:
798 case VIDIOC_S_FREQUENCY:
799 case VIDIOC_ENUMSTD:
800 case VIDIOC_G_STD:
801 case VIDIOC_S_STD:
802 case VIDIOC_S_TUNER:
803 case VIDIOC_G_TUNER:
804 case VIDIOC_ENUMAUDIO:
805 case VIDIOC_S_AUDIO:
806 case VIDIOC_G_AUDIO:
807 case VIDIOC_G_SLICED_VBI_CAP:
808 case VIDIOC_LOG_STATUS:
809 case VIDIOC_G_ENC_INDEX:
810 case VIDIOC_ENCODER_CMD:
811 case VIDIOC_TRY_ENCODER_CMD:
812 if (cx18_debug & CX18_DBGFLG_IOCTL) {
813 printk(KERN_INFO "cx18%d ioctl: ", cx->num);
814 v4l_printk_ioctl(cmd);
815 }
816 return cx18_v4l2_ioctls(cx, filp, cmd, arg);
817
818 case VIDIOC_QUERYMENU:
819 case VIDIOC_QUERYCTRL:
820 case VIDIOC_S_CTRL:
821 case VIDIOC_G_CTRL:
822 case VIDIOC_S_EXT_CTRLS:
823 case VIDIOC_G_EXT_CTRLS:
824 case VIDIOC_TRY_EXT_CTRLS:
825 if (cx18_debug & CX18_DBGFLG_IOCTL) {
826 printk(KERN_INFO "cx18%d ioctl: ", cx->num);
827 v4l_printk_ioctl(cmd);
828 }
829 return cx18_control_ioctls(cx, cmd, arg);
830
831 case 0x00005401: /* Handle isatty() calls */
832 return -EINVAL;
833 default:
834 return v4l_compat_translate_ioctl(inode, filp, cmd, arg,
835 cx18_v4l2_do_ioctl);
836 }
837 return 0;
838}
839
840int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
841 unsigned long arg)
842{
843 struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
844 struct cx18 *cx = id->cx;
845 int res;
846
847 mutex_lock(&cx->serialize_lock);
848 res = video_usercopy(inode, filp, cmd, arg, cx18_v4l2_do_ioctl);
849 mutex_unlock(&cx->serialize_lock);
850 return res;
851}
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-02 11:47:01 -0500