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[media] v4l2-fh: add v4l2_fh_is_singular
[linux-block.git] / drivers / media / video / 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.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 * 02111-1307 USA
23 */
24
25#include "cx18-driver.h"
b1526421 26#include "cx18-io.h"
1c1e45d1
HV		 27#include "cx18-version.h"
28#include "cx18-mailbox.h"
29#include "cx18-i2c.h"
30#include "cx18-queue.h"
31#include "cx18-fileops.h"
32#include "cx18-vbi.h"
33#include "cx18-audio.h"
34#include "cx18-video.h"
35#include "cx18-streams.h"
36#include "cx18-ioctl.h"
37#include "cx18-gpio.h"
38#include "cx18-controls.h"
39#include "cx18-cards.h"
40#include "cx18-av-core.h"
41#include <media/tveeprom.h>
42#include <media/v4l2-chip-ident.h>
1c1e45d1 43
aed6abd6 44u16 cx18_service2vbi(int type)
1c1e45d1
HV		 45{
46 switch (type) {
47 case V4L2_SLICED_TELETEXT_B:
48 return CX18_SLICED_TYPE_TELETEXT_B;
49 case V4L2_SLICED_CAPTION_525:
50 return CX18_SLICED_TYPE_CAPTION_525;
51 case V4L2_SLICED_WSS_625:
52 return CX18_SLICED_TYPE_WSS_625;
53 case V4L2_SLICED_VPS:
54 return CX18_SLICED_TYPE_VPS;
55 default:
56 return 0;
57 }
58}
59
c1994084 60/* Check if VBI services are allowed on the (field, line) for the video std */
1c1e45d1
HV		 61static int valid_service_line(int field, int line, int is_pal)
62{
c1994084
AW		 63 return (is_pal && line >= 6 &&
64 ((field == 0 && line <= 23) || (field == 1 && line <= 22))) ||
1c1e45d1
HV		 65 (!is_pal && line >= 10 && line < 22);
66}
67
c1994084
AW		 68/*
69 * For a (field, line, std) and inbound potential set of services for that line,
70 * return the first valid service of those passed in the incoming set for that
71 * line in priority order:
72 * CC, VPS, or WSS over TELETEXT for well known lines
73 * TELETEXT, before VPS, before CC, before WSS, for other lines
74 */
1c1e45d1
HV		 75static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
76{
77 u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
78 int i;
79
80 set = set & valid_set;
81 if (set == 0 || !valid_service_line(field, line, is_pal))
82 return 0;
83 if (!is_pal) {
84 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
85 return V4L2_SLICED_CAPTION_525;
86 } else {
87 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
88 return V4L2_SLICED_VPS;
89 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
90 return V4L2_SLICED_WSS_625;
91 if (line == 23)
92 return 0;
93 }
94 for (i = 0; i < 32; i++) {
95 if ((1 << i) & set)
96 return 1 << i;
97 }
98 return 0;
99}
100
c1994084
AW		 101/*
102 * Expand the service_set of *fmt into valid service_lines for the std,
103 * and clear the passed in fmt->service_set
104 */
aed6abd6 105void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
1c1e45d1
HV		 106{
107 u16 set = fmt->service_set;
108 int f, l;
109
110 fmt->service_set = 0;
111 for (f = 0; f < 2; f++) {
112 for (l = 0; l < 24; l++)
113 fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
114 }
115}
116
c1994084
AW		 117/*
118 * Sanitize the service_lines in *fmt per the video std, and return 1
119 * if any service_line is left as valid after santization
120 */
302df970
AW		 121static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
122{
123 int f, l;
124 u16 set = 0;
125
126 for (f = 0; f < 2; f++) {
127 for (l = 0; l < 24; l++) {
128 fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
129 set |= fmt->service_lines[f][l];
130 }
131 }
132 return set != 0;
133}
1c1e45d1 134
c1994084 135/* Compute the service_set from the assumed valid service_lines of *fmt */
aed6abd6 136u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
1c1e45d1
HV		 137{
138 int f, l;
139 u16 set = 0;
140
141 for (f = 0; f < 2; f++) {
142 for (l = 0; l < 24; l++)
143 set |= fmt->service_lines[f][l];
144 }
145 return set;
146}
147
3b6fe58f
AW		 148static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
149 struct v4l2_format *fmt)
150{
151 struct cx18_open_id *id = fh;
152 struct cx18 *cx = id->cx;
0b5a30e9 153 struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
1c1e45d1 154
a75b9be1
HV		 155 pixfmt->width = cx->cxhdl.width;
156 pixfmt->height = cx->cxhdl.height;
0b5a30e9
HV		 157 pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
158 pixfmt->field = V4L2_FIELD_INTERLACED;
159 pixfmt->priv = 0;
3b6fe58f 160 if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
0b5a30e9 161 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
a4a78718
HV		 162 /* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
163 pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
0b5a30e9 164 pixfmt->bytesperline = 720;
3b6fe58f 165 } else {
0b5a30e9
HV		 166 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
167 pixfmt->sizeimage = 128 * 1024;
168 pixfmt->bytesperline = 0;
3b6fe58f
AW		 169 }
170 return 0;
171}
1c1e45d1 172
3b6fe58f
AW		 173static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
174 struct v4l2_format *fmt)
175{
176 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
0b5a30e9 177 struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
1c1e45d1 178
0b5a30e9 179 vbifmt->sampling_rate = 27000000;
c1994084 180 vbifmt->offset = 248; /* FIXME - slightly wrong for both 50 & 60 Hz */
302df970 181 vbifmt->samples_per_line = vbi_active_samples - 4;
0b5a30e9
HV		 182 vbifmt->sample_format = V4L2_PIX_FMT_GREY;
183 vbifmt->start[0] = cx->vbi.start[0];
184 vbifmt->start[1] = cx->vbi.start[1];
185 vbifmt->count[0] = vbifmt->count[1] = cx->vbi.count;
186 vbifmt->flags = 0;
187 vbifmt->reserved[0] = 0;
188 vbifmt->reserved[1] = 0;
1c1e45d1
HV		 189 return 0;
190}
191
3b6fe58f
AW		 192static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
193 struct v4l2_format *fmt)
1c1e45d1 194{
302df970
AW		 195 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
196 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
197
c1994084 198 /* sane, V4L2 spec compliant, defaults */
302df970
AW		 199 vbifmt->reserved[0] = 0;
200 vbifmt->reserved[1] = 0;
201 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
202 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
c1994084
AW		 203 vbifmt->service_set = 0;
204
205 /*
206 * Fetch the configured service_lines and total service_set from the
207 * digitizer/slicer. Note, cx18_av_vbi() wipes the passed in
208 * fmt->fmt.sliced under valid calling conditions
209 */
add632cd 210 if (v4l2_subdev_call(cx->sd_av, vbi, g_sliced_fmt, &fmt->fmt.sliced))
c1994084 211 return -EINVAL;
302df970 212
c1994084
AW		 213 /* Ensure V4L2 spec compliant output */
214 vbifmt->reserved[0] = 0;
215 vbifmt->reserved[1] = 0;
216 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
302df970
AW		 217 vbifmt->service_set = cx18_get_service_set(vbifmt);
218 return 0;
3b6fe58f 219}
1c1e45d1 220
3b6fe58f
AW		 221static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
222 struct v4l2_format *fmt)
223{
224 struct cx18_open_id *id = fh;
225 struct cx18 *cx = id->cx;
3b6fe58f
AW		 226 int w = fmt->fmt.pix.width;
227 int h = fmt->fmt.pix.height;
a4a78718 228 int min_h = 2;
1c1e45d1 229
3b6fe58f 230 w = min(w, 720);
a4a78718
HV		 231 w = max(w, 2);
232 if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
233 /* YUV height must be a multiple of 32 */
234 h &= ~0x1f;
235 min_h = 32;
236 }
3b6fe58f 237 h = min(h, cx->is_50hz ? 576 : 480);
a4a78718
HV		 238 h = max(h, min_h);
239
3b6fe58f
AW		 240 cx18_g_fmt_vid_cap(file, fh, fmt);
241 fmt->fmt.pix.width = w;
242 fmt->fmt.pix.height = h;
243 return 0;
244}
1c1e45d1 245
3b6fe58f
AW		 246static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
247 struct v4l2_format *fmt)
248{
3b6fe58f
AW		 249 return cx18_g_fmt_vbi_cap(file, fh, fmt);
250}
251
252static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
253 struct v4l2_format *fmt)
254{
302df970
AW		 255 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
256 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
257
258 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
259 vbifmt->reserved[0] = 0;
260 vbifmt->reserved[1] = 0;
261
c1994084 262 /* If given a service set, expand it validly & clear passed in set */
302df970
AW		 263 if (vbifmt->service_set)
264 cx18_expand_service_set(vbifmt, cx->is_50hz);
c1994084
AW		 265 /* Sanitize the service_lines, and compute the new set if any valid */
266 if (check_service_set(vbifmt, cx->is_50hz))
267 vbifmt->service_set = cx18_get_service_set(vbifmt);
302df970 268 return 0;
3b6fe58f
AW		 269}
270
271static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
272 struct v4l2_format *fmt)
273{
274 struct cx18_open_id *id = fh;
275 struct cx18 *cx = id->cx;
9e36eabc 276 struct v4l2_mbus_framefmt mbus_fmt;
3b6fe58f 277 int ret;
effc3466 278 int w, h;
3b6fe58f 279
ffb4877b 280 ret = v4l2_prio_check(&cx->prio, id->prio);
3b6fe58f
AW		 281 if (ret)
282 return ret;
1c1e45d1 283
3b6fe58f
AW		 284 ret = cx18_try_fmt_vid_cap(file, fh, fmt);
285 if (ret)
286 return ret;
effc3466
HV		 287 w = fmt->fmt.pix.width;
288 h = fmt->fmt.pix.height;
1c1e45d1 289
a75b9be1 290 if (cx->cxhdl.width == w && cx->cxhdl.height == h)
1c1e45d1 291 return 0;
3b6fe58f
AW		 292
293 if (atomic_read(&cx->ana_capturing) > 0)
1c1e45d1 294 return -EBUSY;
3b6fe58f 295
a75b9be1
HV		 296 mbus_fmt.width = cx->cxhdl.width = w;
297 mbus_fmt.height = cx->cxhdl.height = h;
9e36eabc
HV		 298 mbus_fmt.code = V4L2_MBUS_FMT_FIXED;
299 v4l2_subdev_call(cx->sd_av, video, s_mbus_fmt, &mbus_fmt);
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{
3b6fe58f 306 struct cx18_open_id *id = fh;
1c1e45d1 307 struct cx18 *cx = id->cx;
3b6fe58f 308 int ret;
1c1e45d1 309
ffb4877b 310 ret = v4l2_prio_check(&cx->prio, id->prio);
3b6fe58f
AW		 311 if (ret)
312 return ret;
1c1e45d1 313
dcc0ef88
AW		 314 /*
315 * Changing the Encoder's Raw VBI parameters won't have any effect
316 * if any analog capture is ongoing
317 */
318 if (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
3b6fe58f 319 return -EBUSY;
1c1e45d1 320
c1994084
AW		 321 /*
322 * Set the digitizer registers for raw active VBI.
323 * Note cx18_av_vbi_wipes out alot of the passed in fmt under valid
324 * calling conditions
325 */
add632cd 326 ret = v4l2_subdev_call(cx->sd_av, vbi, s_raw_fmt, &fmt->fmt.vbi);
c1994084
AW		 327 if (ret)
328 return ret;
329
330 /* Store our new v4l2 (non-)sliced VBI state */
3b6fe58f 331 cx->vbi.sliced_in->service_set = 0;
dd073434 332 cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
c1994084 333
3b6fe58f
AW		 334 return cx18_g_fmt_vbi_cap(file, fh, fmt);
335}
336
337static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
338 struct v4l2_format *fmt)
339{
302df970
AW		 340 struct cx18_open_id *id = fh;
341 struct cx18 *cx = id->cx;
342 int ret;
343 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
344
ffb4877b 345 ret = v4l2_prio_check(&cx->prio, id->prio);
302df970
AW		 346 if (ret)
347 return ret;
348
c1994084 349 cx18_try_fmt_sliced_vbi_cap(file, fh, fmt);
302df970 350
dcc0ef88
AW		 351 /*
352 * Changing the Encoder's Raw VBI parameters won't have any effect
353 * if any analog capture is ongoing
354 */
355 if (cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
302df970 356 return -EBUSY;
dcc0ef88 357
c1994084
AW		 358 /*
359 * Set the service_lines requested in the digitizer/slicer registers.
360 * Note, cx18_av_vbi() wipes some "impossible" service lines in the
361 * passed in fmt->fmt.sliced under valid calling conditions
362 */
add632cd 363 ret = v4l2_subdev_call(cx->sd_av, vbi, s_sliced_fmt, &fmt->fmt.sliced);
c1994084
AW		 364 if (ret)
365 return ret;
366 /* Store our current v4l2 sliced VBI settings */
302df970 367 cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
302df970
AW		 368 memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in));
369 return 0;
3b6fe58f
AW		 370}
371
372static int cx18_g_chip_ident(struct file *file, void *fh,
aecde8b5 373 struct v4l2_dbg_chip_ident *chip)
3b6fe58f
AW		 374{
375 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
ff2a2001 376 int err = 0;
3b6fe58f 377
3b6fe58f
AW		 378 chip->ident = V4L2_IDENT_NONE;
379 chip->revision = 0;
ff2a2001
AW		 380 switch (chip->match.type) {
381 case V4L2_CHIP_MATCH_HOST:
382 switch (chip->match.addr) {
383 case 0:
384 chip->ident = V4L2_IDENT_CX23418;
385 chip->revision = cx18_read_reg(cx, 0xC72028);
386 break;
387 case 1:
388 /*
389 * The A/V decoder is always present, but in the rare
390 * case that the card doesn't have analog, we don't
391 * use it. We find it w/o using the cx->sd_av pointer
392 */
393 cx18_call_hw(cx, CX18_HW_418_AV,
394 core, g_chip_ident, chip);
395 break;
396 default:
397 /*
398 * Could return ident = V4L2_IDENT_UNKNOWN if we had
399 * other host chips at higher addresses, but we don't
400 */
401 err = -EINVAL; /* per V4L2 spec */
402 break;
403 }
404 break;
405 case V4L2_CHIP_MATCH_I2C_DRIVER:
406 /* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
407 cx18_call_all(cx, core, g_chip_ident, chip);
408 break;
409 case V4L2_CHIP_MATCH_I2C_ADDR:
410 /*
411 * We could return V4L2_IDENT_UNKNOWN, but we don't do the work
412 * to look if a chip is at the address with no driver. That's a
413 * dangerous thing to do with EEPROMs anyway.
414 */
415 cx18_call_all(cx, core, g_chip_ident, chip);
416 break;
417 default:
418 err = -EINVAL;
419 break;
1c1e45d1 420 }
ff2a2001 421 return err;
3b6fe58f
AW		 422}
423
36ecd495
HV		 424#ifdef CONFIG_VIDEO_ADV_DEBUG
425static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
426{
aecde8b5 427 struct v4l2_dbg_register *regs = arg;
36ecd495
HV		 428
429 if (!capable(CAP_SYS_ADMIN))
430 return -EPERM;
431 if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
432 return -EINVAL;
433
aecde8b5 434 regs->size = 4;
ff2a2001 435 if (cmd == VIDIOC_DBG_S_REGISTER)
b1526421 436 cx18_write_enc(cx, regs->val, regs->reg);
ff2a2001
AW		 437 else
438 regs->val = cx18_read_enc(cx, regs->reg);
36ecd495
HV		 439 return 0;
440}
441
3b6fe58f 442static int cx18_g_register(struct file *file, void *fh,
aecde8b5 443 struct v4l2_dbg_register *reg)
3b6fe58f
AW		 444{
445 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
446
aecde8b5 447 if (v4l2_chip_match_host(&reg->match))
3b6fe58f 448 return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
ff2a2001
AW		 449 /* FIXME - errors shouldn't be ignored */
450 cx18_call_all(cx, core, g_register, reg);
aecde8b5 451 return 0;
3b6fe58f
AW		 452}
453
454static int cx18_s_register(struct file *file, void *fh,
aecde8b5 455 struct v4l2_dbg_register *reg)
3b6fe58f
AW		 456{
457 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
458
aecde8b5 459 if (v4l2_chip_match_host(&reg->match))
3b6fe58f 460 return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
ff2a2001
AW		 461 /* FIXME - errors shouldn't be ignored */
462 cx18_call_all(cx, core, s_register, reg);
aecde8b5 463 return 0;
3b6fe58f 464}
36ecd495 465#endif
3b6fe58f
AW		 466
467static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
468{
469 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
470
3b6fe58f 471 *p = v4l2_prio_max(&cx->prio);
1c1e45d1
HV		 472 return 0;
473}
474
3b6fe58f 475static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
1c1e45d1 476{
3b6fe58f
AW		 477 struct cx18_open_id *id = fh;
478 struct cx18 *cx = id->cx;
1c1e45d1 479
3b6fe58f
AW		 480 return v4l2_prio_change(&cx->prio, &id->prio, prio);
481}
1c1e45d1 482
3b6fe58f
AW		 483static int cx18_querycap(struct file *file, void *fh,
484 struct v4l2_capability *vcap)
485{
486 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 487
3b6fe58f
AW		 488 strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
489 strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
3d05913d
AW		 490 snprintf(vcap->bus_info, sizeof(vcap->bus_info),
491 "PCI:%s", pci_name(cx->pci_dev));
3b6fe58f
AW		 492 vcap->version = CX18_DRIVER_VERSION; /* version */
493 vcap->capabilities = cx->v4l2_cap; /* capabilities */
494 return 0;
495}
1c1e45d1 496
3b6fe58f
AW		 497static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
498{
499 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 500
3b6fe58f
AW		 501 return cx18_get_audio_input(cx, vin->index, vin);
502}
1c1e45d1 503
3b6fe58f
AW		 504static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
505{
506 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 507
3b6fe58f
AW		 508 vin->index = cx->audio_input;
509 return cx18_get_audio_input(cx, vin->index, vin);
510}
1c1e45d1 511
3b6fe58f
AW		 512static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
513{
514 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 515
3b6fe58f
AW		 516 if (vout->index >= cx->nof_audio_inputs)
517 return -EINVAL;
518 cx->audio_input = vout->index;
519 cx18_audio_set_io(cx);
520 return 0;
521}
1c1e45d1 522
3b6fe58f
AW		 523static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
524{
525 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 526
3b6fe58f
AW		 527 /* set it to defaults from our table */
528 return cx18_get_input(cx, vin->index, vin);
529}
1c1e45d1 530
3b6fe58f
AW		 531static int cx18_cropcap(struct file *file, void *fh,
532 struct v4l2_cropcap *cropcap)
533{
534 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 535
3b6fe58f
AW		 536 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
537 return -EINVAL;
538 cropcap->bounds.top = cropcap->bounds.left = 0;
539 cropcap->bounds.width = 720;
540 cropcap->bounds.height = cx->is_50hz ? 576 : 480;
541 cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10;
542 cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11;
543 cropcap->defrect = cropcap->bounds;
544 return 0;
545}
1c1e45d1 546
3b6fe58f
AW		 547static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
548{
549 struct cx18_open_id *id = fh;
550 struct cx18 *cx = id->cx;
551 int ret;
1c1e45d1 552
ffb4877b 553 ret = v4l2_prio_check(&cx->prio, id->prio);
3b6fe58f
AW		 554 if (ret)
555 return ret;
1c1e45d1 556
3b6fe58f
AW		 557 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
558 return -EINVAL;
fa3e7036
AW		 559 CX18_DEBUG_WARN("VIDIOC_S_CROP not implemented\n");
560 return -EINVAL;
3b6fe58f 561}
1c1e45d1 562
3b6fe58f
AW		 563static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
564{
565 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 566
3b6fe58f
AW		 567 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
568 return -EINVAL;
fa3e7036
AW		 569 CX18_DEBUG_WARN("VIDIOC_G_CROP not implemented\n");
570 return -EINVAL;
3b6fe58f
AW		 571}
572
573static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
574 struct v4l2_fmtdesc *fmt)
575{
576 static struct v4l2_fmtdesc formats[] = {
577 { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
578 "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
579 },
580 { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
581 "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
1c1e45d1 582 }
3b6fe58f
AW		 583 };
584
3b6fe58f
AW		 585 if (fmt->index > 1)
586 return -EINVAL;
587 *fmt = formats[fmt->index];
588 return 0;
589}
590
591static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
592{
593 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
594
3b6fe58f
AW		 595 *i = cx->active_input;
596 return 0;
597}
598
599int cx18_s_input(struct file *file, void *fh, unsigned int inp)
600{
601 struct cx18_open_id *id = fh;
602 struct cx18 *cx = id->cx;
603 int ret;
604
ffb4877b 605 ret = v4l2_prio_check(&cx->prio, id->prio);
3b6fe58f
AW		 606 if (ret)
607 return ret;
608
de81c3c3 609 if (inp >= cx->nof_inputs)
3b6fe58f
AW		 610 return -EINVAL;
611
612 if (inp == cx->active_input) {
613 CX18_DEBUG_INFO("Input unchanged\n");
1c1e45d1
HV		 614 return 0;
615 }
616
3b6fe58f
AW		 617 CX18_DEBUG_INFO("Changing input from %d to %d\n",
618 cx->active_input, inp);
1c1e45d1 619
3b6fe58f
AW		 620 cx->active_input = inp;
621 /* Set the audio input to whatever is appropriate for the input type. */
622 cx->audio_input = cx->card->video_inputs[inp].audio_index;
1c1e45d1 623
3b6fe58f
AW		 624 /* prevent others from messing with the streams until
625 we're finished changing inputs. */
626 cx18_mute(cx);
627 cx18_video_set_io(cx);
628 cx18_audio_set_io(cx);
629 cx18_unmute(cx);
630 return 0;
631}
1c1e45d1 632
3b6fe58f
AW		 633static int cx18_g_frequency(struct file *file, void *fh,
634 struct v4l2_frequency *vf)
635{
636 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 637
3b6fe58f
AW		 638 if (vf->tuner != 0)
639 return -EINVAL;
1c1e45d1 640
ff2a2001 641 cx18_call_all(cx, tuner, g_frequency, vf);
3b6fe58f
AW		 642 return 0;
643}
1c1e45d1 644
3b6fe58f
AW		 645int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
646{
647 struct cx18_open_id *id = fh;
648 struct cx18 *cx = id->cx;
649 int ret;
1c1e45d1 650
ffb4877b 651 ret = v4l2_prio_check(&cx->prio, id->prio);
3b6fe58f
AW		 652 if (ret)
653 return ret;
1c1e45d1 654
3b6fe58f
AW		 655 if (vf->tuner != 0)
656 return -EINVAL;
1c1e45d1 657
3b6fe58f
AW		 658 cx18_mute(cx);
659 CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
ff2a2001 660 cx18_call_all(cx, tuner, s_frequency, vf);
3b6fe58f
AW		 661 cx18_unmute(cx);
662 return 0;
663}
1c1e45d1 664
3b6fe58f
AW		 665static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
666{
667 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 668
3b6fe58f
AW		 669 *std = cx->std;
670 return 0;
671}
1c1e45d1 672
3b6fe58f
AW		 673int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
674{
675 struct cx18_open_id *id = fh;
676 struct cx18 *cx = id->cx;
677 int ret;
1c1e45d1 678
ffb4877b 679 ret = v4l2_prio_check(&cx->prio, id->prio);
3b6fe58f
AW		 680 if (ret)
681 return ret;
1c1e45d1 682
3b6fe58f
AW		 683 if ((*std & V4L2_STD_ALL) == 0)
684 return -EINVAL;
1c1e45d1 685
3b6fe58f
AW		 686 if (*std == cx->std)
687 return 0;
688
689 if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
690 atomic_read(&cx->ana_capturing) > 0) {
691 /* Switching standard would turn off the radio or mess
692 with already running streams, prevent that by
693 returning EBUSY. */
694 return -EBUSY;
1c1e45d1
HV		 695 }
696
3b6fe58f
AW		 697 cx->std = *std;
698 cx->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
a75b9be1
HV		 699 cx->is_50hz = !cx->is_60hz;
700 cx2341x_handler_set_50hz(&cx->cxhdl, cx->is_50hz);
701 cx->cxhdl.width = 720;
702 cx->cxhdl.height = cx->is_50hz ? 576 : 480;
3b6fe58f
AW		 703 cx->vbi.count = cx->is_50hz ? 18 : 12;
704 cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
705 cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
3b6fe58f
AW		 706 CX18_DEBUG_INFO("Switching standard to %llx.\n",
707 (unsigned long long) cx->std);
708
709 /* Tuner */
f41737ec 710 cx18_call_all(cx, core, s_std, cx->std);
3b6fe58f
AW		 711 return 0;
712}
1c1e45d1 713
3b6fe58f
AW		 714static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
715{
716 struct cx18_open_id *id = fh;
717 struct cx18 *cx = id->cx;
718 int ret;
1c1e45d1 719
ffb4877b 720 ret = v4l2_prio_check(&cx->prio, id->prio);
3b6fe58f
AW		 721 if (ret)
722 return ret;
723
3b6fe58f
AW		 724 if (vt->index != 0)
725 return -EINVAL;
726
ff2a2001 727 cx18_call_all(cx, tuner, s_tuner, vt);
3b6fe58f
AW		 728 return 0;
729}
730
731static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
732{
733 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
734
3b6fe58f
AW		 735 if (vt->index != 0)
736 return -EINVAL;
737
ff2a2001 738 cx18_call_all(cx, tuner, g_tuner, vt);
3b6fe58f
AW		 739
740 if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
741 strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
742 vt->type = V4L2_TUNER_RADIO;
743 } else {
744 strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
745 vt->type = V4L2_TUNER_ANALOG_TV;
1c1e45d1
HV		 746 }
747
3b6fe58f
AW		 748 return 0;
749}
750
751static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
752 struct v4l2_sliced_vbi_cap *cap)
753{
302df970
AW		 754 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
755 int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
756 int f, l;
757
c1994084
AW		 758 if (cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
759 return -EINVAL;
760
761 cap->service_set = 0;
762 for (f = 0; f < 2; f++) {
763 for (l = 0; l < 24; l++) {
764 if (valid_service_line(f, l, cx->is_50hz)) {
765 /*
766 * We can find all v4l2 supported vbi services
767 * for the standard, on a valid line for the std
768 */
769 cap->service_lines[f][l] = set;
770 cap->service_set |= set;
771 } else
772 cap->service_lines[f][l] = 0;
302df970 773 }
302df970 774 }
c1994084
AW		 775 for (f = 0; f < 3; f++)
776 cap->reserved[f] = 0;
777 return 0;
3b6fe58f 778}
1c1e45d1 779
82acdc84
AW		 780static int _cx18_process_idx_data(struct cx18_buffer *buf,
781 struct v4l2_enc_idx *idx)
782{
783 int consumed, remaining;
784 struct v4l2_enc_idx_entry *e_idx;
785 struct cx18_enc_idx_entry *e_buf;
786
787 /* Frame type lookup: 1=I, 2=P, 4=B */
788 const int mapping[8] = {
789 -1, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_P,
790 -1, V4L2_ENC_IDX_FRAME_B, -1, -1, -1
791 };
792
793 /*
794 * Assumption here is that a buf holds an integral number of
795 * struct cx18_enc_idx_entry objects and is properly aligned.
796 * This is enforced by the module options on IDX buffer sizes.
797 */
798 remaining = buf->bytesused - buf->readpos;
799 consumed = 0;
800 e_idx = &idx->entry[idx->entries];
801 e_buf = (struct cx18_enc_idx_entry *) &buf->buf[buf->readpos];
802
803 while (remaining >= sizeof(struct cx18_enc_idx_entry) &&
804 idx->entries < V4L2_ENC_IDX_ENTRIES) {
805
806 e_idx->offset = (((u64) le32_to_cpu(e_buf->offset_high)) << 32)
807 | le32_to_cpu(e_buf->offset_low);
808
809 e_idx->pts = (((u64) (le32_to_cpu(e_buf->pts_high) & 1)) << 32)
810 | le32_to_cpu(e_buf->pts_low);
811
812 e_idx->length = le32_to_cpu(e_buf->length);
813
814 e_idx->flags = mapping[le32_to_cpu(e_buf->flags) & 0x7];
815
816 e_idx->reserved[0] = 0;
817 e_idx->reserved[1] = 0;
818
819 idx->entries++;
820 e_idx = &idx->entry[idx->entries];
821 e_buf++;
822
823 remaining -= sizeof(struct cx18_enc_idx_entry);
824 consumed += sizeof(struct cx18_enc_idx_entry);
825 }
826
827 /* Swallow any partial entries at the end, if there are any */
828 if (remaining > 0 && remaining < sizeof(struct cx18_enc_idx_entry))
829 consumed += remaining;
830
831 buf->readpos += consumed;
832 return consumed;
833}
834
835static int cx18_process_idx_data(struct cx18_stream *s, struct cx18_mdl *mdl,
836 struct v4l2_enc_idx *idx)
837{
838 if (s->type != CX18_ENC_STREAM_TYPE_IDX)
839 return -EINVAL;
840
841 if (mdl->curr_buf == NULL)
842 mdl->curr_buf = list_first_entry(&mdl->buf_list,
843 struct cx18_buffer, list);
844
845 if (list_entry_is_past_end(mdl->curr_buf, &mdl->buf_list, list)) {
846 /*
847 * For some reason we've exhausted the buffers, but the MDL
848 * object still said some data was unread.
849 * Fix that and bail out.
850 */
851 mdl->readpos = mdl->bytesused;
852 return 0;
853 }
854
855 list_for_each_entry_from(mdl->curr_buf, &mdl->buf_list, list) {
856
857 /* Skip any empty buffers in the MDL */
858 if (mdl->curr_buf->readpos >= mdl->curr_buf->bytesused)
859 continue;
860
861 mdl->readpos += _cx18_process_idx_data(mdl->curr_buf, idx);
862
863 /* exit when MDL drained or request satisfied */
864 if (idx->entries >= V4L2_ENC_IDX_ENTRIES ||
865 mdl->curr_buf->readpos < mdl->curr_buf->bytesused ||
866 mdl->readpos >= mdl->bytesused)
867 break;
868 }
869 return 0;
870}
871
3b6fe58f
AW		 872static int cx18_g_enc_index(struct file *file, void *fh,
873 struct v4l2_enc_idx *idx)
874{
82acdc84
AW		 875 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
876 struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_IDX];
877 s32 tmp;
878 struct cx18_mdl *mdl;
879
880 if (!cx18_stream_enabled(s)) /* Module options inhibited IDX stream */
881 return -EINVAL;
882
883 /* Compute the best case number of entries we can buffer */
884 tmp = s->buffers -
885 s->bufs_per_mdl * CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN;
886 if (tmp <= 0)
887 tmp = 1;
888 tmp = tmp * s->buf_size / sizeof(struct cx18_enc_idx_entry);
889
890 /* Fill out the header of the return structure */
891 idx->entries = 0;
892 idx->entries_cap = tmp;
893 memset(idx->reserved, 0, sizeof(idx->reserved));
894
895 /* Pull IDX MDLs and buffers from q_full and populate the entries */
896 do {
897 mdl = cx18_dequeue(s, &s->q_full);
898 if (mdl == NULL) /* No more IDX data right now */
899 break;
900
901 /* Extract the Index entry data from the MDL and buffers */
902 cx18_process_idx_data(s, mdl, idx);
903 if (mdl->readpos < mdl->bytesused) {
904 /* We finished with data remaining, push the MDL back */
905 cx18_push(s, mdl, &s->q_full);
906 break;
907 }
908
909 /* We drained this MDL, schedule it to go to the firmware */
910 cx18_enqueue(s, mdl, &s->q_free);
911
912 } while (idx->entries < V4L2_ENC_IDX_ENTRIES);
913
914 /* Tell the work handler to send free IDX MDLs to the firmware */
915 cx18_stream_load_fw_queue(s);
916 return 0;
3b6fe58f 917}
1c1e45d1 918
3b6fe58f
AW		 919static int cx18_encoder_cmd(struct file *file, void *fh,
920 struct v4l2_encoder_cmd *enc)
921{
922 struct cx18_open_id *id = fh;
923 struct cx18 *cx = id->cx;
d3c5e707 924 u32 h;
1c1e45d1 925
3b6fe58f
AW		 926 switch (enc->cmd) {
927 case V4L2_ENC_CMD_START:
928 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
929 enc->flags = 0;
930 return cx18_start_capture(id);
931
932 case V4L2_ENC_CMD_STOP:
933 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
934 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
935 cx18_stop_capture(id,
936 enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1c1e45d1 937 break;
1c1e45d1 938
3b6fe58f
AW		 939 case V4L2_ENC_CMD_PAUSE:
940 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
941 enc->flags = 0;
942 if (!atomic_read(&cx->ana_capturing))
943 return -EPERM;
944 if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
1c1e45d1 945 return 0;
d3c5e707
AW		 946 h = cx18_find_handle(cx);
947 if (h == CX18_INVALID_TASK_HANDLE) {
948 CX18_ERR("Can't find valid task handle for "
949 "V4L2_ENC_CMD_PAUSE\n");
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) {
965 CX18_ERR("Can't find valid task handle for "
966 "V4L2_ENC_CMD_RESUME\n");
967 return -EBADFD;
968 }
969 cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h);
3b6fe58f
AW		 970 cx18_unmute(cx);
971 break;
972
973 default:
974 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1c1e45d1
HV		 975 return -EINVAL;
976 }
3b6fe58f
AW		 977 return 0;
978}
1c1e45d1 979
3b6fe58f
AW		 980static int cx18_try_encoder_cmd(struct file *file, void *fh,
981 struct v4l2_encoder_cmd *enc)
982{
983 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1 984
3b6fe58f
AW		 985 switch (enc->cmd) {
986 case V4L2_ENC_CMD_START:
987 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
988 enc->flags = 0;
1c1e45d1 989 break;
1c1e45d1 990
3b6fe58f
AW		 991 case V4L2_ENC_CMD_STOP:
992 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
993 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
994 break;
1c1e45d1 995
3b6fe58f
AW		 996 case V4L2_ENC_CMD_PAUSE:
997 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
998 enc->flags = 0;
999 break;
1c1e45d1 1000
3b6fe58f
AW		 1001 case V4L2_ENC_CMD_RESUME:
1002 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1003 enc->flags = 0;
1c1e45d1 1004 break;
1c1e45d1
HV		 1005
1006 default:
3b6fe58f 1007 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1c1e45d1
HV		 1008 return -EINVAL;
1009 }
1010 return 0;
1011}
1012
3b6fe58f 1013static int cx18_log_status(struct file *file, void *fh)
1c1e45d1 1014{
3b6fe58f
AW		 1015 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1016 struct v4l2_input vidin;
1017 struct v4l2_audio audin;
1018 int i;
1c1e45d1 1019
e0f28b6a 1020 CX18_INFO("================= START STATUS CARD #%d "
5811cf99 1021 "=================\n", cx->instance);
e0f28b6a 1022 CX18_INFO("Version: %s Card: %s\n", CX18_VERSION, cx->card_name);
3b6fe58f
AW		 1023 if (cx->hw_flags & CX18_HW_TVEEPROM) {
1024 struct tveeprom tv;
1025
1026 cx18_read_eeprom(cx, &tv);
1027 }
ff2a2001 1028 cx18_call_all(cx, core, log_status);
3b6fe58f
AW		 1029 cx18_get_input(cx, cx->active_input, &vidin);
1030 cx18_get_audio_input(cx, cx->audio_input, &audin);
1031 CX18_INFO("Video Input: %s\n", vidin.name);
1032 CX18_INFO("Audio Input: %s\n", audin.name);
8abdd00d 1033 mutex_lock(&cx->gpio_lock);
3d66c405
HV		 1034 CX18_INFO("GPIO: direction 0x%08x, value 0x%08x\n",
1035 cx->gpio_dir, cx->gpio_val);
8abdd00d 1036 mutex_unlock(&cx->gpio_lock);
3b6fe58f
AW		 1037 CX18_INFO("Tuner: %s\n",
1038 test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV");
a75b9be1 1039 v4l2_ctrl_handler_log_status(&cx->cxhdl.hdl, cx->v4l2_dev.name);
3b6fe58f
AW		 1040 CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
1041 for (i = 0; i < CX18_MAX_STREAMS; i++) {
1042 struct cx18_stream *s = &cx->streams[i];
1043
3d05913d 1044 if (s->video_dev == NULL || s->buffers == 0)
3b6fe58f
AW		 1045 continue;
1046 CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
1047 s->name, s->s_flags,
52fcb3ec
AW		 1048 atomic_read(&s->q_full.depth) * s->bufs_per_mdl * 100
1049 / s->buffers,
3b6fe58f
AW		 1050 (s->buffers * s->buf_size) / 1024, s->buffers);
1051 }
1052 CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
1053 (long long)cx->mpg_data_received,
1054 (long long)cx->vbi_data_inserted);
5811cf99
AW		 1055 CX18_INFO("================== END STATUS CARD #%d "
1056 "==================\n", cx->instance);
3b6fe58f
AW		 1057 return 0;
1058}
1059
069b7479 1060static long cx18_default(struct file *file, void *fh, int cmd, void *arg)
3b6fe58f
AW		 1061{
1062 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
1c1e45d1
HV		 1063
1064 switch (cmd) {
02fa272f
AW		 1065 case VIDIOC_INT_RESET: {
1066 u32 val = *(u32 *)arg;
1067
1068 if ((val == 0) || (val & 0x01))
eefe1010
AW		 1069 cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset,
1070 (u32) CX18_GPIO_RESET_Z8F0811);
02fa272f
AW		 1071 break;
1072 }
1073
3b6fe58f 1074 default:
1c1e45d1 1075 return -EINVAL;
1c1e45d1
HV		 1076 }
1077 return 0;
1078}
1079
069b7479 1080long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
1c1e45d1
HV		 1081 unsigned long arg)
1082{
37f89f95 1083 struct video_device *vfd = video_devdata(filp);
abf84383 1084 struct cx18_open_id *id = filp->private_data;
1c1e45d1 1085 struct cx18 *cx = id->cx;
069b7479 1086 long res;
1c1e45d1
HV		 1087
1088 mutex_lock(&cx->serialize_lock);
37f89f95 1089
ff2a2001
AW		 1090 /* FIXME - consolidate v4l2_prio_check()'s here */
1091
37f89f95
HV		 1092 if (cx18_debug & CX18_DBGFLG_IOCTL)
1093 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
bec43661 1094 res = video_ioctl2(filp, cmd, arg);
37f89f95 1095 vfd->debug = 0;
1c1e45d1
HV		 1096 mutex_unlock(&cx->serialize_lock);
1097 return res;
1098}
3b6fe58f 1099
a399810c
HV		 1100static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
1101 .vidioc_querycap = cx18_querycap,
1102 .vidioc_g_priority = cx18_g_priority,
1103 .vidioc_s_priority = cx18_s_priority,
1104 .vidioc_s_audio = cx18_s_audio,
1105 .vidioc_g_audio = cx18_g_audio,
1106 .vidioc_enumaudio = cx18_enumaudio,
1107 .vidioc_enum_input = cx18_enum_input,
1108 .vidioc_cropcap = cx18_cropcap,
1109 .vidioc_s_crop = cx18_s_crop,
1110 .vidioc_g_crop = cx18_g_crop,
1111 .vidioc_g_input = cx18_g_input,
1112 .vidioc_s_input = cx18_s_input,
1113 .vidioc_g_frequency = cx18_g_frequency,
1114 .vidioc_s_frequency = cx18_s_frequency,
1115 .vidioc_s_tuner = cx18_s_tuner,
1116 .vidioc_g_tuner = cx18_g_tuner,
1117 .vidioc_g_enc_index = cx18_g_enc_index,
1118 .vidioc_g_std = cx18_g_std,
1119 .vidioc_s_std = cx18_s_std,
1120 .vidioc_log_status = cx18_log_status,
1121 .vidioc_enum_fmt_vid_cap = cx18_enum_fmt_vid_cap,
1122 .vidioc_encoder_cmd = cx18_encoder_cmd,
1123 .vidioc_try_encoder_cmd = cx18_try_encoder_cmd,
1124 .vidioc_g_fmt_vid_cap = cx18_g_fmt_vid_cap,
1125 .vidioc_g_fmt_vbi_cap = cx18_g_fmt_vbi_cap,
1126 .vidioc_g_fmt_sliced_vbi_cap = cx18_g_fmt_sliced_vbi_cap,
1127 .vidioc_s_fmt_vid_cap = cx18_s_fmt_vid_cap,
1128 .vidioc_s_fmt_vbi_cap = cx18_s_fmt_vbi_cap,
1129 .vidioc_s_fmt_sliced_vbi_cap = cx18_s_fmt_sliced_vbi_cap,
1130 .vidioc_try_fmt_vid_cap = cx18_try_fmt_vid_cap,
1131 .vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap,
1132 .vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap,
1133 .vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap,
1134 .vidioc_g_chip_ident = cx18_g_chip_ident,
36ecd495 1135#ifdef CONFIG_VIDEO_ADV_DEBUG
a399810c
HV		 1136 .vidioc_g_register = cx18_g_register,
1137 .vidioc_s_register = cx18_s_register,
36ecd495 1138#endif
a399810c 1139 .vidioc_default = cx18_default,
a399810c
HV		 1140};
1141
1142void cx18_set_funcs(struct video_device *vdev)
1143{
1144 vdev->ioctl_ops = &cx18_ioctl_ops;
3b6fe58f 1145}
Linux 6.x block layer and io_uring tree(s)