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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> | |
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 | ||
aed6abd6 | 43 | u16 cx18_service2vbi(int type) |
1c1e45d1 HV |
44 | { |
45 | switch (type) { | |
46 | case V4L2_SLICED_TELETEXT_B: | |
47 | return CX18_SLICED_TYPE_TELETEXT_B; | |
48 | case V4L2_SLICED_CAPTION_525: | |
49 | return CX18_SLICED_TYPE_CAPTION_525; | |
50 | case V4L2_SLICED_WSS_625: | |
51 | return CX18_SLICED_TYPE_WSS_625; | |
52 | case V4L2_SLICED_VPS: | |
53 | return CX18_SLICED_TYPE_VPS; | |
54 | default: | |
55 | return 0; | |
56 | } | |
57 | } | |
58 | ||
59 | static int valid_service_line(int field, int line, int is_pal) | |
60 | { | |
61 | return (is_pal && line >= 6 && (line != 23 || field == 0)) || | |
62 | (!is_pal && line >= 10 && line < 22); | |
63 | } | |
64 | ||
65 | static u16 select_service_from_set(int field, int line, u16 set, int is_pal) | |
66 | { | |
67 | u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525); | |
68 | int i; | |
69 | ||
70 | set = set & valid_set; | |
71 | if (set == 0 || !valid_service_line(field, line, is_pal)) | |
72 | return 0; | |
73 | if (!is_pal) { | |
74 | if (line == 21 && (set & V4L2_SLICED_CAPTION_525)) | |
75 | return V4L2_SLICED_CAPTION_525; | |
76 | } else { | |
77 | if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS)) | |
78 | return V4L2_SLICED_VPS; | |
79 | if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625)) | |
80 | return V4L2_SLICED_WSS_625; | |
81 | if (line == 23) | |
82 | return 0; | |
83 | } | |
84 | for (i = 0; i < 32; i++) { | |
85 | if ((1 << i) & set) | |
86 | return 1 << i; | |
87 | } | |
88 | return 0; | |
89 | } | |
90 | ||
aed6abd6 | 91 | void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) |
1c1e45d1 HV |
92 | { |
93 | u16 set = fmt->service_set; | |
94 | int f, l; | |
95 | ||
96 | fmt->service_set = 0; | |
97 | for (f = 0; f < 2; f++) { | |
98 | for (l = 0; l < 24; l++) | |
99 | fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal); | |
100 | } | |
101 | } | |
102 | ||
103 | static 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 | ||
aed6abd6 | 117 | u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt) |
1c1e45d1 HV |
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 | ||
129 | static 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 | ||
148 | static const struct v4l2_standard cx18_std_60hz = { | |
149 | .frameperiod = {.numerator = 1001, .denominator = 30000}, | |
150 | .framelines = 525, | |
151 | }; | |
152 | ||
153 | static const struct v4l2_standard cx18_std_50hz = { | |
154 | .frameperiod = { .numerator = 1, .denominator = 25 }, | |
155 | .framelines = 625, | |
156 | }; | |
157 | ||
158 | static 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 | ||
177 | static 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); | |
aed6abd6 | 216 | vbifmt->service_set = cx18_get_service_set(vbifmt); |
1c1e45d1 HV |
217 | break; |
218 | } | |
219 | default: | |
220 | return -EINVAL; | |
221 | } | |
222 | return 0; | |
223 | } | |
224 | ||
225 | static 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) | |
aed6abd6 | 288 | cx18_expand_service_set(vbifmt, cx->is_50hz); |
1c1e45d1 | 289 | set = check_service_set(vbifmt, cx->is_50hz); |
aed6abd6 | 290 | vbifmt->service_set = cx18_get_service_set(vbifmt); |
1c1e45d1 HV |
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 | ||
303 | static 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 | ||
358 | int 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 | ||
750 | static 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 | ||
840 | int 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 | } |