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Merge tag 'tag-chrome-platform-for-v4.20' of git://git.kernel.org/pub/scm/linux/kerne...
[linux-block.git] / drivers / media / pci / cx18 / cx18-ioctl.c
CommitLineData
1c1e45d1
HV		 1/*
2 * cx18 ioctl system call
3 *
4 * Derived from ivtv-ioctl.c
5 *
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
6afdeaf8 7 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
1c1e45d1
HV		 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.
1c1e45d1
HV		 18 */
19
20#include "cx18-driver.h"
b1526421 21#include "cx18-io.h"
1c1e45d1
HV		 22#include "cx18-version.h"
23#include "cx18-mailbox.h"
24#include "cx18-i2c.h"
25#include "cx18-queue.h"
26#include "cx18-fileops.h"
27#include "cx18-vbi.h"
28#include "cx18-audio.h"
29#include "cx18-video.h"
30#include "cx18-streams.h"
31#include "cx18-ioctl.h"
32#include "cx18-gpio.h"
33#include "cx18-controls.h"
34#include "cx18-cards.h"
35#include "cx18-av-core.h"
36#include <media/tveeprom.h>
eaa80c44 37#include <media/v4l2-event.h>
1c1e45d1 38
aed6abd6 39u16 cx18_service2vbi(int type)
1c1e45d1
HV		 40{
41 switch (type) {
42 case V4L2_SLICED_TELETEXT_B:
43 return CX18_SLICED_TYPE_TELETEXT_B;
44 case V4L2_SLICED_CAPTION_525:
45 return CX18_SLICED_TYPE_CAPTION_525;
46 case V4L2_SLICED_WSS_625:
47 return CX18_SLICED_TYPE_WSS_625;
48 case V4L2_SLICED_VPS:
49 return CX18_SLICED_TYPE_VPS;
50 default:
51 return 0;
52 }
53}
54
c1994084 55/* Check if VBI services are allowed on the (field, line) for the video std */
1c1e45d1
HV		 56static int valid_service_line(int field, int line, int is_pal)
57{
c1994084
AW		 58 return (is_pal && line >= 6 &&
59 ((field == 0 && line <= 23) || (field == 1 && line <= 22))) ||
1c1e45d1
HV		 60 (!is_pal && line >= 10 && line < 22);
61}
62
c1994084
AW		 63/*
64 * For a (field, line, std) and inbound potential set of services for that line,
65 * return the first valid service of those passed in the incoming set for that
66 * line in priority order:
67 * CC, VPS, or WSS over TELETEXT for well known lines
68 * TELETEXT, before VPS, before CC, before WSS, for other lines
69 */
1c1e45d1
HV		 70static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
71{
72 u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
73 int i;
74
75 set = set & valid_set;
76 if (set == 0 || !valid_service_line(field, line, is_pal))
77 return 0;
78 if (!is_pal) {
79 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
80 return V4L2_SLICED_CAPTION_525;
81 } else {
82 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
83 return V4L2_SLICED_VPS;
84 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
85 return V4L2_SLICED_WSS_625;
86 if (line == 23)
87 return 0;
88 }
89 for (i = 0; i < 32; i++) {
90 if ((1 << i) & set)
91 return 1 << i;
92 }
93 return 0;
94}
95
c1994084
AW		 96/*
97 * Expand the service_set of *fmt into valid service_lines for the std,
98 * and clear the passed in fmt->service_set
99 */
aed6abd6 100void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
1c1e45d1
HV		 101{
102 u16 set = fmt->service_set;
103 int f, l;
104
105 fmt->service_set = 0;
106 for (f = 0; f < 2; f++) {
107 for (l = 0; l < 24; l++)
108 fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
109 }
110}
111
c1994084
AW		 112/*
113 * Sanitize the service_lines in *fmt per the video std, and return 1
114 * if any service_line is left as valid after santization
115 */
302df970
AW		 116static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
117{
118 int f, l;
119 u16 set = 0;
120
121 for (f = 0; f < 2; f++) {
122 for (l = 0; l < 24; l++) {
123 fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
124 set |= fmt->service_lines[f][l];
125 }
126 }
127 return set != 0;
128}
1c1e45d1 129
c1994084 130/* Compute the service_set from the assumed valid service_lines of *fmt */
aed6abd6 131u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
1c1e45d1
HV		 132{
133 int f, l;
134 u16 set = 0;
135
136 for (f = 0; f < 2; f++) {
137 for (l = 0; l < 24; l++)
138 set |= fmt->service_lines[f][l];
139 }
140 return set;
141}
142
3b6fe58f
AW		 143static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
144 struct v4l2_format *fmt)
145{
0b5f265a 146 struct cx18_open_id *id = fh2id(fh);
3b6fe58f 147 struct cx18 *cx = id->cx;
b7101de3 148 struct cx18_stream *s = &cx->streams[id->type];
0b5a30e9 149 struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
1c1e45d1 150
a75b9be1
HV		 151 pixfmt->width = cx->cxhdl.width;
152 pixfmt->height = cx->cxhdl.height;
0b5a30e9
HV		 153 pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
154 pixfmt->field = V4L2_FIELD_INTERLACED;
3b6fe58f 155 if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
b7101de3 156 pixfmt->pixelformat = s->pixelformat;
09fc9802 157 pixfmt->sizeimage = s->vb_bytes_per_frame;
48ab45ad 158 pixfmt->bytesperline = s->vb_bytes_per_line;
3b6fe58f 159 } else {
0b5a30e9
HV		 160 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
161 pixfmt->sizeimage = 128 * 1024;
162 pixfmt->bytesperline = 0;
3b6fe58f
AW		 163 }
164 return 0;
165}
1c1e45d1 166
3b6fe58f
AW		 167static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
168 struct v4l2_format *fmt)
169{
0b5f265a 170 struct cx18 *cx = fh2id(fh)->cx;
0b5a30e9 171 struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
1c1e45d1 172
0b5a30e9 173 vbifmt->sampling_rate = 27000000;
c1994084 174 vbifmt->offset = 248; /* FIXME - slightly wrong for both 50 & 60 Hz */
318de791 175 vbifmt->samples_per_line = VBI_ACTIVE_SAMPLES - 4;
0b5a30e9
HV		 176 vbifmt->sample_format = V4L2_PIX_FMT_GREY;
177 vbifmt->start[0] = cx->vbi.start[0];
178 vbifmt->start[1] = cx->vbi.start[1];
179 vbifmt->count[0] = vbifmt->count[1] = cx->vbi.count;
180 vbifmt->flags = 0;
181 vbifmt->reserved[0] = 0;
182 vbifmt->reserved[1] = 0;
1c1e45d1
HV		 183 return 0;
184}
185
3b6fe58f
AW		 186static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
187 struct v4l2_format *fmt)
1c1e45d1 188{
0b5f265a 189 struct cx18 *cx = fh2id(fh)->cx;
302df970
AW		 190 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
191
c1994084 192 /* sane, V4L2 spec compliant, defaults */
302df970
AW		 193 vbifmt->reserved[0] = 0;
194 vbifmt->reserved[1] = 0;
195 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
196 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
c1994084
AW		 197 vbifmt->service_set = 0;
198
199 /*
200 * Fetch the configured service_lines and total service_set from the
201 * digitizer/slicer. Note, cx18_av_vbi() wipes the passed in
202 * fmt->fmt.sliced under valid calling conditions
203 */
add632cd 204 if (v4l2_subdev_call(cx->sd_av, vbi, g_sliced_fmt, &fmt->fmt.sliced))
c1994084 205 return -EINVAL;
302df970 206
302df970
AW		 207 vbifmt->service_set = cx18_get_service_set(vbifmt);
208 return 0;
3b6fe58f 209}
1c1e45d1 210
3b6fe58f
AW		 211static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
212 struct v4l2_format *fmt)
213{
0b5f265a 214 struct cx18_open_id *id = fh2id(fh);
3b6fe58f 215 struct cx18 *cx = id->cx;
3b6fe58f
AW		 216 int w = fmt->fmt.pix.width;
217 int h = fmt->fmt.pix.height;
a4a78718 218 int min_h = 2;
1c1e45d1 219
3b6fe58f 220 w = min(w, 720);
a4a78718
HV		 221 w = max(w, 2);
222 if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
223 /* YUV height must be a multiple of 32 */
224 h &= ~0x1f;
225 min_h = 32;
226 }
3b6fe58f 227 h = min(h, cx->is_50hz ? 576 : 480);
a4a78718
HV		 228 h = max(h, min_h);
229
3b6fe58f
AW		 230 fmt->fmt.pix.width = w;
231 fmt->fmt.pix.height = h;
232 return 0;
233}
1c1e45d1 234
3b6fe58f
AW		 235static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
236 struct v4l2_format *fmt)
237{
3b6fe58f
AW		 238 return cx18_g_fmt_vbi_cap(file, fh, fmt);
239}
240
241static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
242 struct v4l2_format *fmt)
243{
0b5f265a 244 struct cx18 *cx = fh2id(fh)->cx;
302df970
AW		 245 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
246
247 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
248 vbifmt->reserved[0] = 0;
249 vbifmt->reserved[1] = 0;
250
c1994084 251 /* If given a service set, expand it validly & clear passed in set */
302df970
AW		 252 if (vbifmt->service_set)
253 cx18_expand_service_set(vbifmt, cx->is_50hz);
c1994084
AW		 254 /* Sanitize the service_lines, and compute the new set if any valid */
255 if (check_service_set(vbifmt, cx->is_50hz))
256 vbifmt->service_set = cx18_get_service_set(vbifmt);
302df970 257 return 0;
3b6fe58f
AW		 258}
259
260static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
261 struct v4l2_format *fmt)
262{
0b5f265a 263 struct cx18_open_id *id = fh2id(fh);
3b6fe58f 264 struct cx18 *cx = id->cx;
ebf984bb
HV		 265 struct v4l2_subdev_format format = {
266 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
267 };
b7101de3 268 struct cx18_stream *s = &cx->streams[id->type];
3b6fe58f 269 int ret;
effc3466 270 int w, h;
3b6fe58f 271
3b6fe58f
AW		 272 ret = cx18_try_fmt_vid_cap(file, fh, fmt);
273 if (ret)
274 return ret;
effc3466
HV		 275 w = fmt->fmt.pix.width;
276 h = fmt->fmt.pix.height;
1c1e45d1 277
1bf5842f
SF		 278 if (cx->cxhdl.width == w && cx->cxhdl.height == h &&
279 s->pixelformat == fmt->fmt.pix.pixelformat)
1c1e45d1 280 return 0;
3b6fe58f
AW		 281
282 if (atomic_read(&cx->ana_capturing) > 0)
1c1e45d1 283 return -EBUSY;
3b6fe58f 284
1bf5842f 285 s->pixelformat = fmt->fmt.pix.pixelformat;
09fc9802
SF		 286 /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2)))
287 UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */
48ab45ad 288 if (s->pixelformat == V4L2_PIX_FMT_HM12) {
09fc9802 289 s->vb_bytes_per_frame = h * 720 * 3 / 2;
48ab45ad
SF		 290 s->vb_bytes_per_line = 720; /* First plane */
291 } else {
09fc9802 292 s->vb_bytes_per_frame = h * 720 * 2;
48ab45ad
SF		 293 s->vb_bytes_per_line = 1440; /* Packed */
294 }
1bf5842f 295
ebf984bb
HV		 296 format.format.width = cx->cxhdl.width = w;
297 format.format.height = cx->cxhdl.height = h;
298 format.format.code = MEDIA_BUS_FMT_FIXED;
299 v4l2_subdev_call(cx->sd_av, pad, set_fmt, NULL, &format);
3b6fe58f 300 return cx18_g_fmt_vid_cap(file, fh, fmt);
1c1e45d1
HV		 301}
302
3b6fe58f
AW		 303static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
304 struct v4l2_format *fmt)
1c1e45d1 305{
0b5f265a 306 struct cx18_open_id *id = fh2id(fh);
1c1e45d1 307 struct cx18 *cx = id->cx;
3b6fe58f 308 int ret;
1c1e45d1 309
dcc0ef88
AW		 310 /*
311 * Changing the Encoder's Raw VBI parameters won't have any effect
312 * if any analog capture is ongoing
313 */
314 if (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
3b6fe58f 315 return -EBUSY;
1c1e45d1 316
c1994084
AW		 317 /*
318 * Set the digitizer registers for raw active VBI.
25985edc 319 * Note cx18_av_vbi_wipes out a lot of the passed in fmt under valid
c1994084
AW		 320 * calling conditions
321 */
add632cd 322 ret = v4l2_subdev_call(cx->sd_av, vbi, s_raw_fmt, &fmt->fmt.vbi);
c1994084
AW		 323 if (ret)
324 return ret;
325
326 /* Store our new v4l2 (non-)sliced VBI state */
3b6fe58f 327 cx->vbi.sliced_in->service_set = 0;
dd073434 328 cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
c1994084 329
3b6fe58f
AW		 330 return cx18_g_fmt_vbi_cap(file, fh, fmt);
331}
332
333static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
334 struct v4l2_format *fmt)
335{
0b5f265a 336 struct cx18_open_id *id = fh2id(fh);
302df970
AW		 337 struct cx18 *cx = id->cx;
338 int ret;
339 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
340
c1994084 341 cx18_try_fmt_sliced_vbi_cap(file, fh, fmt);
302df970 342
dcc0ef88
AW		 343 /*
344 * Changing the Encoder's Raw VBI parameters won't have any effect
345 * if any analog capture is ongoing
346 */
347 if (cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
302df970 348 return -EBUSY;
dcc0ef88 349
c1994084
AW		 350 /*
351 * Set the service_lines requested in the digitizer/slicer registers.
352 * Note, cx18_av_vbi() wipes some "impossible" service lines in the
353 * passed in fmt->fmt.sliced under valid calling conditions
354 */
add632cd 355 ret = v4l2_subdev_call(cx->sd_av, vbi, s_sliced_fmt, &fmt->fmt.sliced);
c1994084
AW		 356 if (ret)
357 return ret;
358 /* Store our current v4l2 sliced VBI settings */
302df970 359 cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
302df970
AW		 360 memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in));
361 return 0;
3b6fe58f
AW		 362}
363
36ecd495 364#ifdef CONFIG_VIDEO_ADV_DEBUG
3b6fe58f 365static int cx18_g_register(struct file *file, void *fh,
aecde8b5 366 struct v4l2_dbg_register *reg)
3b6fe58f 367{
0b5f265a 368 struct cx18 *cx = fh2id(fh)->cx;
3b6fe58f 369
771d7733
HV		 370 if (reg->reg & 0x3)
371 return -EINVAL;
076c3454
HV		 372 if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
373 return -EINVAL;
374 reg->size = 4;
375 reg->val = cx18_read_enc(cx, reg->reg);
aecde8b5 376 return 0;
3b6fe58f
AW		 377}
378
379static int cx18_s_register(struct file *file, void *fh,
977ba3b1 380 const struct v4l2_dbg_register *reg)
3b6fe58f 381{
0b5f265a 382 struct cx18 *cx = fh2id(fh)->cx;
3b6fe58f 383
771d7733
HV		 384 if (reg->reg & 0x3)
385 return -EINVAL;
076c3454
HV		 386 if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
387 return -EINVAL;
388 cx18_write_enc(cx, reg->val, reg->reg);
aecde8b5 389 return 0;
3b6fe58f 390}
36ecd495 391#endif
3b6fe58f 392
3b6fe58f
AW		 393static int cx18_querycap(struct file *file, void *fh,
394 struct v4l2_capability *vcap)
395{
09fc9802 396 struct cx18_open_id *id = fh2id(fh);
dfdf780b 397 struct cx18_stream *s = video_drvdata(file);
09fc9802 398 struct cx18 *cx = id->cx;
1c1e45d1 399
c0decac1
MCC		 400 strscpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
401 strscpy(vcap->card, cx->card_name, sizeof(vcap->card));
3d05913d
AW		 402 snprintf(vcap->bus_info, sizeof(vcap->bus_info),
403 "PCI:%s", pci_name(cx->pci_dev));
dfdf780b
HV		 404 vcap->capabilities = cx->v4l2_cap; /* capabilities */
405 vcap->device_caps = s->v4l2_dev_caps; /* device capabilities */
406 vcap->capabilities |= V4L2_CAP_DEVICE_CAPS;
3b6fe58f
AW		 407 return 0;
408}
1c1e45d1 409
3b6fe58f
AW		 410static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
411{
0b5f265a 412 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1 413
3b6fe58f
AW		 414 return cx18_get_audio_input(cx, vin->index, vin);
415}
1c1e45d1 416
3b6fe58f
AW		 417static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
418{
0b5f265a 419 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1 420
3b6fe58f
AW		 421 vin->index = cx->audio_input;
422 return cx18_get_audio_input(cx, vin->index, vin);
423}
1c1e45d1 424
0e8025b9 425static int cx18_s_audio(struct file *file, void *fh, const struct v4l2_audio *vout)
3b6fe58f 426{
0b5f265a 427 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1 428
3b6fe58f
AW		 429 if (vout->index >= cx->nof_audio_inputs)
430 return -EINVAL;
431 cx->audio_input = vout->index;
432 cx18_audio_set_io(cx);
433 return 0;
434}
1c1e45d1 435
3b6fe58f
AW		 436static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
437{
0b5f265a 438 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1 439
3b6fe58f
AW		 440 /* set it to defaults from our table */
441 return cx18_get_input(cx, vin->index, vin);
442}
1c1e45d1 443
3b6fe58f
AW		 444static int cx18_cropcap(struct file *file, void *fh,
445 struct v4l2_cropcap *cropcap)
446{
0b5f265a 447 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1 448
3b6fe58f
AW		 449 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
450 return -EINVAL;
80954cbb
HV		 451 cropcap->pixelaspect.numerator = cx->is_50hz ? 54 : 11;
452 cropcap->pixelaspect.denominator = cx->is_50hz ? 59 : 10;
3b6fe58f
AW		 453 return 0;
454}
1c1e45d1 455
55cda4ab
HV		 456static int cx18_g_selection(struct file *file, void *fh,
457 struct v4l2_selection *sel)
3b6fe58f 458{
0b5f265a 459 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1 460
55cda4ab
HV		 461 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
462 return -EINVAL;
463 switch (sel->target) {
464 case V4L2_SEL_TGT_CROP_BOUNDS:
465 case V4L2_SEL_TGT_CROP_DEFAULT:
466 sel->r.top = sel->r.left = 0;
467 sel->r.width = 720;
468 sel->r.height = cx->is_50hz ? 576 : 480;
469 break;
470 default:
3b6fe58f 471 return -EINVAL;
55cda4ab
HV		 472 }
473 return 0;
3b6fe58f
AW		 474}
475
476static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
477 struct v4l2_fmtdesc *fmt)
478{
1bf5842f
SF		 479 static const struct v4l2_fmtdesc formats[] = {
480 { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
481 "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
482 },
483 { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
484 "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
485 },
486 { 2, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
487 "UYVY 4:2:2", V4L2_PIX_FMT_UYVY, { 0, 0, 0, 0 }
488 },
489 };
490
b7101de3 491 if (fmt->index > ARRAY_SIZE(formats) - 1)
3b6fe58f
AW		 492 return -EINVAL;
493 *fmt = formats[fmt->index];
494 return 0;
495}
496
497static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
498{
0b5f265a 499 struct cx18 *cx = fh2id(fh)->cx;
3b6fe58f 500
3b6fe58f
AW		 501 *i = cx->active_input;
502 return 0;
503}
504
505int cx18_s_input(struct file *file, void *fh, unsigned int inp)
506{
0b5f265a 507 struct cx18_open_id *id = fh2id(fh);
3b6fe58f 508 struct cx18 *cx = id->cx;
3a29a4f1
HV		 509 v4l2_std_id std = V4L2_STD_ALL;
510 const struct cx18_card_video_input *card_input =
511 cx->card->video_inputs + inp;
3b6fe58f 512
de81c3c3 513 if (inp >= cx->nof_inputs)
3b6fe58f
AW		 514 return -EINVAL;
515
516 if (inp == cx->active_input) {
517 CX18_DEBUG_INFO("Input unchanged\n");
1c1e45d1
HV		 518 return 0;
519 }
520
3b6fe58f
AW		 521 CX18_DEBUG_INFO("Changing input from %d to %d\n",
522 cx->active_input, inp);
1c1e45d1 523
3b6fe58f
AW		 524 cx->active_input = inp;
525 /* Set the audio input to whatever is appropriate for the input type. */
526 cx->audio_input = cx->card->video_inputs[inp].audio_index;
3a29a4f1
HV		 527 if (card_input->video_type == V4L2_INPUT_TYPE_TUNER)
528 std = cx->tuner_std;
529 cx->streams[CX18_ENC_STREAM_TYPE_MPG].video_dev.tvnorms = std;
530 cx->streams[CX18_ENC_STREAM_TYPE_YUV].video_dev.tvnorms = std;
531 cx->streams[CX18_ENC_STREAM_TYPE_VBI].video_dev.tvnorms = std;
1c1e45d1 532
3b6fe58f
AW		 533 /* prevent others from messing with the streams until
534 we're finished changing inputs. */
535 cx18_mute(cx);
536 cx18_video_set_io(cx);
537 cx18_audio_set_io(cx);
538 cx18_unmute(cx);
539 return 0;
540}
1c1e45d1 541
3b6fe58f
AW		 542static int cx18_g_frequency(struct file *file, void *fh,
543 struct v4l2_frequency *vf)
544{
0b5f265a 545 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1 546
3b6fe58f
AW		 547 if (vf->tuner != 0)
548 return -EINVAL;
1c1e45d1 549
ff2a2001 550 cx18_call_all(cx, tuner, g_frequency, vf);
3b6fe58f
AW		 551 return 0;
552}
1c1e45d1 553
b530a447 554int cx18_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf)
3b6fe58f 555{
0b5f265a 556 struct cx18_open_id *id = fh2id(fh);
3b6fe58f 557 struct cx18 *cx = id->cx;
1c1e45d1 558
3b6fe58f
AW		 559 if (vf->tuner != 0)
560 return -EINVAL;
1c1e45d1 561
3b6fe58f
AW		 562 cx18_mute(cx);
563 CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
ff2a2001 564 cx18_call_all(cx, tuner, s_frequency, vf);
3b6fe58f
AW		 565 cx18_unmute(cx);
566 return 0;
567}
1c1e45d1 568
3b6fe58f
AW		 569static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
570{
0b5f265a 571 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1 572
3b6fe58f
AW		 573 *std = cx->std;
574 return 0;
575}
1c1e45d1 576
314527ac 577int cx18_s_std(struct file *file, void *fh, v4l2_std_id std)
3b6fe58f 578{
0b5f265a 579 struct cx18_open_id *id = fh2id(fh);
3b6fe58f 580 struct cx18 *cx = id->cx;
1c1e45d1 581
314527ac 582 if ((std & V4L2_STD_ALL) == 0)
3b6fe58f 583 return -EINVAL;
1c1e45d1 584
314527ac 585 if (std == cx->std)
3b6fe58f
AW		 586 return 0;
587
588 if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
589 atomic_read(&cx->ana_capturing) > 0) {
590 /* Switching standard would turn off the radio or mess
591 with already running streams, prevent that by
592 returning EBUSY. */
593 return -EBUSY;
1c1e45d1
HV		 594 }
595
314527ac
HV		 596 cx->std = std;
597 cx->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
a75b9be1
HV		 598 cx->is_50hz = !cx->is_60hz;
599 cx2341x_handler_set_50hz(&cx->cxhdl, cx->is_50hz);
600 cx->cxhdl.width = 720;
601 cx->cxhdl.height = cx->is_50hz ? 576 : 480;
3b6fe58f
AW		 602 cx->vbi.count = cx->is_50hz ? 18 : 12;
603 cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
604 cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
3b6fe58f
AW		 605 CX18_DEBUG_INFO("Switching standard to %llx.\n",
606 (unsigned long long) cx->std);
607
608 /* Tuner */
8774bed9 609 cx18_call_all(cx, video, s_std, cx->std);
3b6fe58f
AW		 610 return 0;
611}
1c1e45d1 612
2f73c7c5 613static int cx18_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt)
3b6fe58f 614{
0b5f265a 615 struct cx18_open_id *id = fh2id(fh);
3b6fe58f 616 struct cx18 *cx = id->cx;
3b6fe58f 617
3b6fe58f
AW		 618 if (vt->index != 0)
619 return -EINVAL;
620
ff2a2001 621 cx18_call_all(cx, tuner, s_tuner, vt);
3b6fe58f
AW		 622 return 0;
623}
624
625static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
626{
0b5f265a 627 struct cx18 *cx = fh2id(fh)->cx;
3b6fe58f 628
3b6fe58f
AW		 629 if (vt->index != 0)
630 return -EINVAL;
631
ff2a2001 632 cx18_call_all(cx, tuner, g_tuner, vt);
3b6fe58f 633
d118e294 634 if (vt->type == V4L2_TUNER_RADIO)
c0decac1 635 strscpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
d118e294 636 else
c0decac1 637 strscpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
3b6fe58f
AW		 638 return 0;
639}
640
641static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
642 struct v4l2_sliced_vbi_cap *cap)
643{
0b5f265a 644 struct cx18 *cx = fh2id(fh)->cx;
302df970
AW		 645 int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
646 int f, l;
647
c1994084
AW		 648 if (cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
649 return -EINVAL;
650
651 cap->service_set = 0;
652 for (f = 0; f < 2; f++) {
653 for (l = 0; l < 24; l++) {
654 if (valid_service_line(f, l, cx->is_50hz)) {
655 /*
656 * We can find all v4l2 supported vbi services
657 * for the standard, on a valid line for the std
658 */
659 cap->service_lines[f][l] = set;
660 cap->service_set |= set;
661 } else
662 cap->service_lines[f][l] = 0;
302df970 663 }
302df970 664 }
c1994084
AW		 665 for (f = 0; f < 3; f++)
666 cap->reserved[f] = 0;
667 return 0;
3b6fe58f 668}
1c1e45d1 669
82acdc84
AW		 670static int _cx18_process_idx_data(struct cx18_buffer *buf,
671 struct v4l2_enc_idx *idx)
672{
673 int consumed, remaining;
674 struct v4l2_enc_idx_entry *e_idx;
675 struct cx18_enc_idx_entry *e_buf;
676
677 /* Frame type lookup: 1=I, 2=P, 4=B */
678 const int mapping[8] = {
679 -1, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_P,
680 -1, V4L2_ENC_IDX_FRAME_B, -1, -1, -1
681 };
682
683 /*
684 * Assumption here is that a buf holds an integral number of
685 * struct cx18_enc_idx_entry objects and is properly aligned.
686 * This is enforced by the module options on IDX buffer sizes.
687 */
688 remaining = buf->bytesused - buf->readpos;
689 consumed = 0;
690 e_idx = &idx->entry[idx->entries];
691 e_buf = (struct cx18_enc_idx_entry *) &buf->buf[buf->readpos];
692
693 while (remaining >= sizeof(struct cx18_enc_idx_entry) &&
694 idx->entries < V4L2_ENC_IDX_ENTRIES) {
695
696 e_idx->offset = (((u64) le32_to_cpu(e_buf->offset_high)) << 32)
697 | le32_to_cpu(e_buf->offset_low);
698
699 e_idx->pts = (((u64) (le32_to_cpu(e_buf->pts_high) & 1)) << 32)
700 | le32_to_cpu(e_buf->pts_low);
701
702 e_idx->length = le32_to_cpu(e_buf->length);
703
704 e_idx->flags = mapping[le32_to_cpu(e_buf->flags) & 0x7];
705
706 e_idx->reserved[0] = 0;
707 e_idx->reserved[1] = 0;
708
709 idx->entries++;
710 e_idx = &idx->entry[idx->entries];
711 e_buf++;
712
713 remaining -= sizeof(struct cx18_enc_idx_entry);
714 consumed += sizeof(struct cx18_enc_idx_entry);
715 }
716
717 /* Swallow any partial entries at the end, if there are any */
718 if (remaining > 0 && remaining < sizeof(struct cx18_enc_idx_entry))
719 consumed += remaining;
720
721 buf->readpos += consumed;
722 return consumed;
723}
724
725static int cx18_process_idx_data(struct cx18_stream *s, struct cx18_mdl *mdl,
726 struct v4l2_enc_idx *idx)
727{
728 if (s->type != CX18_ENC_STREAM_TYPE_IDX)
729 return -EINVAL;
730
731 if (mdl->curr_buf == NULL)
732 mdl->curr_buf = list_first_entry(&mdl->buf_list,
733 struct cx18_buffer, list);
734
735 if (list_entry_is_past_end(mdl->curr_buf, &mdl->buf_list, list)) {
736 /*
737 * For some reason we've exhausted the buffers, but the MDL
738 * object still said some data was unread.
739 * Fix that and bail out.
740 */
741 mdl->readpos = mdl->bytesused;
742 return 0;
743 }
744
745 list_for_each_entry_from(mdl->curr_buf, &mdl->buf_list, list) {
746
747 /* Skip any empty buffers in the MDL */
748 if (mdl->curr_buf->readpos >= mdl->curr_buf->bytesused)
749 continue;
750
751 mdl->readpos += _cx18_process_idx_data(mdl->curr_buf, idx);
752
753 /* exit when MDL drained or request satisfied */
754 if (idx->entries >= V4L2_ENC_IDX_ENTRIES ||
755 mdl->curr_buf->readpos < mdl->curr_buf->bytesused ||
756 mdl->readpos >= mdl->bytesused)
757 break;
758 }
759 return 0;
760}
761
3b6fe58f
AW		 762static int cx18_g_enc_index(struct file *file, void *fh,
763 struct v4l2_enc_idx *idx)
764{
0b5f265a 765 struct cx18 *cx = fh2id(fh)->cx;
82acdc84
AW		 766 struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_IDX];
767 s32 tmp;
768 struct cx18_mdl *mdl;
769
770 if (!cx18_stream_enabled(s)) /* Module options inhibited IDX stream */
771 return -EINVAL;
772
773 /* Compute the best case number of entries we can buffer */
774 tmp = s->buffers -
775 s->bufs_per_mdl * CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN;
776 if (tmp <= 0)
777 tmp = 1;
778 tmp = tmp * s->buf_size / sizeof(struct cx18_enc_idx_entry);
779
780 /* Fill out the header of the return structure */
781 idx->entries = 0;
782 idx->entries_cap = tmp;
783 memset(idx->reserved, 0, sizeof(idx->reserved));
784
785 /* Pull IDX MDLs and buffers from q_full and populate the entries */
786 do {
787 mdl = cx18_dequeue(s, &s->q_full);
788 if (mdl == NULL) /* No more IDX data right now */
789 break;
790
791 /* Extract the Index entry data from the MDL and buffers */
792 cx18_process_idx_data(s, mdl, idx);
793 if (mdl->readpos < mdl->bytesused) {
794 /* We finished with data remaining, push the MDL back */
795 cx18_push(s, mdl, &s->q_full);
796 break;
797 }
798
799 /* We drained this MDL, schedule it to go to the firmware */
800 cx18_enqueue(s, mdl, &s->q_free);
801
802 } while (idx->entries < V4L2_ENC_IDX_ENTRIES);
803
804 /* Tell the work handler to send free IDX MDLs to the firmware */
805 cx18_stream_load_fw_queue(s);
806 return 0;
3b6fe58f 807}
1c1e45d1 808
b7101de3
ST		 809static struct videobuf_queue *cx18_vb_queue(struct cx18_open_id *id)
810{
811 struct videobuf_queue *q = NULL;
1bf5842f
SF		 812 struct cx18 *cx = id->cx;
813 struct cx18_stream *s = &cx->streams[id->type];
b7101de3 814
1bf5842f 815 switch (s->vb_type) {
b7101de3 816 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1bf5842f 817 q = &s->vbuf_q;
b7101de3
ST		 818 break;
819 case V4L2_BUF_TYPE_VBI_CAPTURE:
820 break;
821 default:
822 break;
823 }
824 return q;
825}
826
827static int cx18_streamon(struct file *file, void *priv,
828 enum v4l2_buf_type type)
829{
830 struct cx18_open_id *id = file->private_data;
831 struct cx18 *cx = id->cx;
832 struct cx18_stream *s = &cx->streams[id->type];
833
834 /* Start the hardware only if we're the video device */
1bf5842f
SF		 835 if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
836 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
b7101de3
ST		 837 return -EINVAL;
838
839 if (id->type != CX18_ENC_STREAM_TYPE_YUV)
840 return -EINVAL;
841
842 /* Establish a buffer timeout */
1bf5842f 843 mod_timer(&s->vb_timeout, msecs_to_jiffies(2000) + jiffies);
b7101de3
ST		 844
845 return videobuf_streamon(cx18_vb_queue(id));
846}
847
848static int cx18_streamoff(struct file *file, void *priv,
849 enum v4l2_buf_type type)
850{
851 struct cx18_open_id *id = file->private_data;
1bf5842f
SF		 852 struct cx18 *cx = id->cx;
853 struct cx18_stream *s = &cx->streams[id->type];
b7101de3
ST		 854
855 /* Start the hardware only if we're the video device */
1bf5842f
SF		 856 if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
857 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
b7101de3
ST		 858 return -EINVAL;
859
860 if (id->type != CX18_ENC_STREAM_TYPE_YUV)
861 return -EINVAL;
862
863 return videobuf_streamoff(cx18_vb_queue(id));
864}
865
866static int cx18_reqbufs(struct file *file, void *priv,
867 struct v4l2_requestbuffers *rb)
868{
869 struct cx18_open_id *id = file->private_data;
1bf5842f
SF		 870 struct cx18 *cx = id->cx;
871 struct cx18_stream *s = &cx->streams[id->type];
b7101de3 872
1bf5842f
SF		 873 if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
874 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
b7101de3
ST		 875 return -EINVAL;
876
877 return videobuf_reqbufs(cx18_vb_queue(id), rb);
878}
879
880static int cx18_querybuf(struct file *file, void *priv,
881 struct v4l2_buffer *b)
882{
883 struct cx18_open_id *id = file->private_data;
1bf5842f
SF		 884 struct cx18 *cx = id->cx;
885 struct cx18_stream *s = &cx->streams[id->type];
b7101de3 886
1bf5842f
SF		 887 if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
888 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
b7101de3
ST		 889 return -EINVAL;
890
891 return videobuf_querybuf(cx18_vb_queue(id), b);
892}
893
894static int cx18_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
895{
896 struct cx18_open_id *id = file->private_data;
1bf5842f
SF		 897 struct cx18 *cx = id->cx;
898 struct cx18_stream *s = &cx->streams[id->type];
b7101de3 899
1bf5842f
SF		 900 if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
901 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
b7101de3
ST		 902 return -EINVAL;
903
904 return videobuf_qbuf(cx18_vb_queue(id), b);
905}
906
907static int cx18_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
908{
909 struct cx18_open_id *id = file->private_data;
1bf5842f
SF		 910 struct cx18 *cx = id->cx;
911 struct cx18_stream *s = &cx->streams[id->type];
912
913 if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
914 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
b7101de3
ST		 915 return -EINVAL;
916
917 return videobuf_dqbuf(cx18_vb_queue(id), b, file->f_flags & O_NONBLOCK);
918}
919
3b6fe58f
AW		 920static int cx18_encoder_cmd(struct file *file, void *fh,
921 struct v4l2_encoder_cmd *enc)
922{
0b5f265a 923 struct cx18_open_id *id = fh2id(fh);
3b6fe58f 924 struct cx18 *cx = id->cx;
d3c5e707 925 u32 h;
1c1e45d1 926
3b6fe58f
AW		 927 switch (enc->cmd) {
928 case V4L2_ENC_CMD_START:
929 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
930 enc->flags = 0;
931 return cx18_start_capture(id);
932
933 case V4L2_ENC_CMD_STOP:
934 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
935 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
936 cx18_stop_capture(id,
937 enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1c1e45d1 938 break;
1c1e45d1 939
3b6fe58f
AW		 940 case V4L2_ENC_CMD_PAUSE:
941 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
942 enc->flags = 0;
943 if (!atomic_read(&cx->ana_capturing))
944 return -EPERM;
945 if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
1c1e45d1 946 return 0;
d3c5e707
AW		 947 h = cx18_find_handle(cx);
948 if (h == CX18_INVALID_TASK_HANDLE) {
6beb1388 949 CX18_ERR("Can't find valid task handle for V4L2_ENC_CMD_PAUSE\n");
d3c5e707
AW		 950 return -EBADFD;
951 }
3b6fe58f 952 cx18_mute(cx);
d3c5e707 953 cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h);
3b6fe58f
AW		 954 break;
955
956 case V4L2_ENC_CMD_RESUME:
957 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
958 enc->flags = 0;
959 if (!atomic_read(&cx->ana_capturing))
960 return -EPERM;
961 if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
962 return 0;
d3c5e707
AW		 963 h = cx18_find_handle(cx);
964 if (h == CX18_INVALID_TASK_HANDLE) {
6beb1388 965 CX18_ERR("Can't find valid task handle for V4L2_ENC_CMD_RESUME\n");
d3c5e707
AW		 966 return -EBADFD;
967 }
968 cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h);
3b6fe58f
AW		 969 cx18_unmute(cx);
970 break;
971
972 default:
973 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1c1e45d1
HV		 974 return -EINVAL;
975 }
3b6fe58f
AW		 976 return 0;
977}
1c1e45d1 978
3b6fe58f
AW		 979static int cx18_try_encoder_cmd(struct file *file, void *fh,
980 struct v4l2_encoder_cmd *enc)
981{
0b5f265a 982 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1 983
3b6fe58f
AW		 984 switch (enc->cmd) {
985 case V4L2_ENC_CMD_START:
986 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
987 enc->flags = 0;
1c1e45d1 988 break;
1c1e45d1 989
3b6fe58f
AW		 990 case V4L2_ENC_CMD_STOP:
991 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
992 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
993 break;
1c1e45d1 994
3b6fe58f
AW		 995 case V4L2_ENC_CMD_PAUSE:
996 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
997 enc->flags = 0;
998 break;
1c1e45d1 999
3b6fe58f
AW		 1000 case V4L2_ENC_CMD_RESUME:
1001 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1002 enc->flags = 0;
1c1e45d1 1003 break;
1c1e45d1
HV		 1004
1005 default:
3b6fe58f 1006 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1c1e45d1
HV		 1007 return -EINVAL;
1008 }
1009 return 0;
1010}
1011
3b6fe58f 1012static int cx18_log_status(struct file *file, void *fh)
1c1e45d1 1013{
0b5f265a 1014 struct cx18 *cx = fh2id(fh)->cx;
3b6fe58f
AW		 1015 struct v4l2_input vidin;
1016 struct v4l2_audio audin;
1017 int i;
1c1e45d1 1018
e0f28b6a 1019 CX18_INFO("Version: %s Card: %s\n", CX18_VERSION, cx->card_name);
3b6fe58f
AW		 1020 if (cx->hw_flags & CX18_HW_TVEEPROM) {
1021 struct tveeprom tv;
1022
1023 cx18_read_eeprom(cx, &tv);
1024 }
ff2a2001 1025 cx18_call_all(cx, core, log_status);
3b6fe58f
AW		 1026 cx18_get_input(cx, cx->active_input, &vidin);
1027 cx18_get_audio_input(cx, cx->audio_input, &audin);
1028 CX18_INFO("Video Input: %s\n", vidin.name);
1029 CX18_INFO("Audio Input: %s\n", audin.name);
8abdd00d 1030 mutex_lock(&cx->gpio_lock);
3d66c405
HV		 1031 CX18_INFO("GPIO: direction 0x%08x, value 0x%08x\n",
1032 cx->gpio_dir, cx->gpio_val);
8abdd00d 1033 mutex_unlock(&cx->gpio_lock);
3b6fe58f
AW		 1034 CX18_INFO("Tuner: %s\n",
1035 test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV");
a75b9be1 1036 v4l2_ctrl_handler_log_status(&cx->cxhdl.hdl, cx->v4l2_dev.name);
3b6fe58f
AW		 1037 CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
1038 for (i = 0; i < CX18_MAX_STREAMS; i++) {
1039 struct cx18_stream *s = &cx->streams[i];
1040
08569d64 1041 if (s->video_dev.v4l2_dev == NULL || s->buffers == 0)
3b6fe58f
AW		 1042 continue;
1043 CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
1044 s->name, s->s_flags,
52fcb3ec
AW		 1045 atomic_read(&s->q_full.depth) * s->bufs_per_mdl * 100
1046 / s->buffers,
3b6fe58f
AW		 1047 (s->buffers * s->buf_size) / 1024, s->buffers);
1048 }
1049 CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
1050 (long long)cx->mpg_data_received,
1051 (long long)cx->vbi_data_inserted);
3b6fe58f
AW		 1052 return 0;
1053}
1054
99cd47bc 1055static long cx18_default(struct file *file, void *fh, bool valid_prio,
6d43be77 1056 unsigned int cmd, void *arg)
3b6fe58f 1057{
0b5f265a 1058 struct cx18 *cx = fh2id(fh)->cx;
1c1e45d1
HV		 1059
1060 switch (cmd) {
02fa272f
AW		 1061 case VIDIOC_INT_RESET: {
1062 u32 val = *(u32 *)arg;
1063
1064 if ((val == 0) || (val & 0x01))
eefe1010
AW		 1065 cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset,
1066 (u32) CX18_GPIO_RESET_Z8F0811);
02fa272f
AW		 1067 break;
1068 }
1069
3b6fe58f 1070 default:
d1c754a9 1071 return -ENOTTY;
1c1e45d1
HV		 1072 }
1073 return 0;
1074}
1075
a399810c
HV		 1076static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
1077 .vidioc_querycap = cx18_querycap,
a399810c
HV		 1078 .vidioc_s_audio = cx18_s_audio,
1079 .vidioc_g_audio = cx18_g_audio,
1080 .vidioc_enumaudio = cx18_enumaudio,
1081 .vidioc_enum_input = cx18_enum_input,
1082 .vidioc_cropcap = cx18_cropcap,
55cda4ab 1083 .vidioc_g_selection = cx18_g_selection,
a399810c
HV		 1084 .vidioc_g_input = cx18_g_input,
1085 .vidioc_s_input = cx18_s_input,
1086 .vidioc_g_frequency = cx18_g_frequency,
1087 .vidioc_s_frequency = cx18_s_frequency,
1088 .vidioc_s_tuner = cx18_s_tuner,
1089 .vidioc_g_tuner = cx18_g_tuner,
1090 .vidioc_g_enc_index = cx18_g_enc_index,
1091 .vidioc_g_std = cx18_g_std,
1092 .vidioc_s_std = cx18_s_std,
1093 .vidioc_log_status = cx18_log_status,
1094 .vidioc_enum_fmt_vid_cap = cx18_enum_fmt_vid_cap,
1095 .vidioc_encoder_cmd = cx18_encoder_cmd,
1096 .vidioc_try_encoder_cmd = cx18_try_encoder_cmd,
1097 .vidioc_g_fmt_vid_cap = cx18_g_fmt_vid_cap,
1098 .vidioc_g_fmt_vbi_cap = cx18_g_fmt_vbi_cap,
1099 .vidioc_g_fmt_sliced_vbi_cap = cx18_g_fmt_sliced_vbi_cap,
1100 .vidioc_s_fmt_vid_cap = cx18_s_fmt_vid_cap,
1101 .vidioc_s_fmt_vbi_cap = cx18_s_fmt_vbi_cap,
1102 .vidioc_s_fmt_sliced_vbi_cap = cx18_s_fmt_sliced_vbi_cap,
1103 .vidioc_try_fmt_vid_cap = cx18_try_fmt_vid_cap,
1104 .vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap,
1105 .vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap,
1106 .vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap,
36ecd495 1107#ifdef CONFIG_VIDEO_ADV_DEBUG
a399810c
HV		 1108 .vidioc_g_register = cx18_g_register,
1109 .vidioc_s_register = cx18_s_register,
36ecd495 1110#endif
a399810c 1111 .vidioc_default = cx18_default,
b7101de3
ST		 1112 .vidioc_streamon = cx18_streamon,
1113 .vidioc_streamoff = cx18_streamoff,
1114 .vidioc_reqbufs = cx18_reqbufs,
1115 .vidioc_querybuf = cx18_querybuf,
1116 .vidioc_qbuf = cx18_qbuf,
1117 .vidioc_dqbuf = cx18_dqbuf,
eaa80c44
HV		 1118 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1119 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
a399810c
HV		 1120};
1121
1122void cx18_set_funcs(struct video_device *vdev)
1123{
1124 vdev->ioctl_ops = &cx18_ioctl_ops;
3b6fe58f 1125}
Linux 6.x block layer and io_uring tree(s)