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d855497e MI |
1 | /* |
2 | * | |
d855497e MI |
3 | * |
4 | * Copyright (C) 2005 Mike Isely <isely@pobox.com> | |
5 | * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <linux/kernel.h> | |
ce4260c3 | 23 | #include <linux/version.h> |
d855497e MI |
24 | #include "pvrusb2-context.h" |
25 | #include "pvrusb2-hdw.h" | |
26 | #include "pvrusb2.h" | |
27 | #include "pvrusb2-debug.h" | |
28 | #include "pvrusb2-v4l2.h" | |
29 | #include "pvrusb2-ioread.h" | |
30 | #include <linux/videodev2.h> | |
43e06022 | 31 | #include <media/v4l2-dev.h> |
d855497e | 32 | #include <media/v4l2-common.h> |
35ea11ff | 33 | #include <media/v4l2-ioctl.h> |
d855497e MI |
34 | |
35 | struct pvr2_v4l2_dev; | |
36 | struct pvr2_v4l2_fh; | |
37 | struct pvr2_v4l2; | |
38 | ||
d855497e | 39 | struct pvr2_v4l2_dev { |
75910053 | 40 | struct video_device devbase; /* MUST be first! */ |
d855497e | 41 | struct pvr2_v4l2 *v4lp; |
d855497e | 42 | struct pvr2_context_stream *stream; |
16eb40d3 MI |
43 | /* Information about this device: */ |
44 | enum pvr2_config config; /* Expected stream format */ | |
45 | int v4l_type; /* V4L defined type for this device node */ | |
46 | enum pvr2_v4l_type minor_type; /* pvr2-understood minor device type */ | |
d855497e MI |
47 | }; |
48 | ||
49 | struct pvr2_v4l2_fh { | |
50 | struct pvr2_channel channel; | |
51 | struct pvr2_v4l2_dev *dev_info; | |
52 | enum v4l2_priority prio; | |
53 | struct pvr2_ioread *rhp; | |
54 | struct file *file; | |
55 | struct pvr2_v4l2 *vhead; | |
56 | struct pvr2_v4l2_fh *vnext; | |
57 | struct pvr2_v4l2_fh *vprev; | |
58 | wait_queue_head_t wait_data; | |
59 | int fw_mode_flag; | |
e57b1c80 MI |
60 | /* Map contiguous ordinal value to input id */ |
61 | unsigned char *input_map; | |
62 | unsigned int input_cnt; | |
d855497e MI |
63 | }; |
64 | ||
65 | struct pvr2_v4l2 { | |
66 | struct pvr2_channel channel; | |
67 | struct pvr2_v4l2_fh *vfirst; | |
68 | struct pvr2_v4l2_fh *vlast; | |
69 | ||
70 | struct v4l2_prio_state prio; | |
71 | ||
0f0f257b MI |
72 | /* streams - Note that these must be separately, individually, |
73 | * allocated pointers. This is because the v4l core is going to | |
74 | * manage their deletion - separately, individually... */ | |
75 | struct pvr2_v4l2_dev *dev_video; | |
76 | struct pvr2_v4l2_dev *dev_radio; | |
d855497e MI |
77 | }; |
78 | ||
79 | static int video_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
80 | module_param_array(video_nr, int, NULL, 0444); | |
5e6862ce MI |
81 | MODULE_PARM_DESC(video_nr, "Offset for device's video dev minor"); |
82 | static int radio_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
83 | module_param_array(radio_nr, int, NULL, 0444); | |
84 | MODULE_PARM_DESC(radio_nr, "Offset for device's radio dev minor"); | |
85 | static int vbi_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
86 | module_param_array(vbi_nr, int, NULL, 0444); | |
87 | MODULE_PARM_DESC(vbi_nr, "Offset for device's vbi dev minor"); | |
d855497e | 88 | |
07e337ee | 89 | static struct v4l2_capability pvr_capability ={ |
d855497e MI |
90 | .driver = "pvrusb2", |
91 | .card = "Hauppauge WinTV pvr-usb2", | |
92 | .bus_info = "usb", | |
48c5b0df | 93 | .version = KERNEL_VERSION(0, 9, 0), |
d166b02e | 94 | .capabilities = (V4L2_CAP_VIDEO_CAPTURE | |
ae2b9e25 | 95 | V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_RADIO | |
d855497e MI |
96 | V4L2_CAP_READWRITE), |
97 | .reserved = {0,0,0,0} | |
98 | }; | |
99 | ||
07e337ee | 100 | static struct v4l2_fmtdesc pvr_fmtdesc [] = { |
d855497e MI |
101 | { |
102 | .index = 0, | |
103 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
104 | .flags = V4L2_FMT_FLAG_COMPRESSED, | |
105 | .description = "MPEG1/2", | |
106 | // This should really be V4L2_PIX_FMT_MPEG, but xawtv | |
107 | // breaks when I do that. | |
108 | .pixelformat = 0, // V4L2_PIX_FMT_MPEG, | |
109 | .reserved = { 0, 0, 0, 0 } | |
110 | } | |
111 | }; | |
112 | ||
113 | #define PVR_FORMAT_PIX 0 | |
114 | #define PVR_FORMAT_VBI 1 | |
115 | ||
07e337ee | 116 | static struct v4l2_format pvr_format [] = { |
d855497e MI |
117 | [PVR_FORMAT_PIX] = { |
118 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
119 | .fmt = { | |
120 | .pix = { | |
121 | .width = 720, | |
122 | .height = 576, | |
123 | // This should really be V4L2_PIX_FMT_MPEG, | |
124 | // but xawtv breaks when I do that. | |
125 | .pixelformat = 0, // V4L2_PIX_FMT_MPEG, | |
126 | .field = V4L2_FIELD_INTERLACED, | |
127 | .bytesperline = 0, // doesn't make sense | |
128 | // here | |
129 | //FIXME : Don't know what to put here... | |
130 | .sizeimage = (32*1024), | |
131 | .colorspace = 0, // doesn't make sense here | |
132 | .priv = 0 | |
133 | } | |
134 | } | |
135 | }, | |
136 | [PVR_FORMAT_VBI] = { | |
137 | .type = V4L2_BUF_TYPE_VBI_CAPTURE, | |
138 | .fmt = { | |
139 | .vbi = { | |
140 | .sampling_rate = 27000000, | |
141 | .offset = 248, | |
142 | .samples_per_line = 1443, | |
143 | .sample_format = V4L2_PIX_FMT_GREY, | |
144 | .start = { 0, 0 }, | |
145 | .count = { 0, 0 }, | |
146 | .flags = 0, | |
147 | .reserved = { 0, 0 } | |
148 | } | |
149 | } | |
150 | } | |
151 | }; | |
152 | ||
16eb40d3 | 153 | |
d855497e MI |
154 | /* |
155 | * pvr_ioctl() | |
156 | * | |
157 | * This is part of Video 4 Linux API. The procedure handles ioctl() calls. | |
158 | * | |
159 | */ | |
069b7479 | 160 | static long pvr2_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) |
d855497e MI |
161 | { |
162 | struct pvr2_v4l2_fh *fh = file->private_data; | |
163 | struct pvr2_v4l2 *vp = fh->vhead; | |
164 | struct pvr2_v4l2_dev *dev_info = fh->dev_info; | |
165 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
069b7479 | 166 | long ret = -EINVAL; |
d855497e MI |
167 | |
168 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { | |
169 | v4l_print_ioctl(pvr2_hdw_get_driver_name(hdw),cmd); | |
170 | } | |
171 | ||
172 | if (!pvr2_hdw_dev_ok(hdw)) { | |
173 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
174 | "ioctl failed - bad or no context"); | |
175 | return -EFAULT; | |
176 | } | |
177 | ||
178 | /* check priority */ | |
179 | switch (cmd) { | |
180 | case VIDIOC_S_CTRL: | |
181 | case VIDIOC_S_STD: | |
182 | case VIDIOC_S_INPUT: | |
183 | case VIDIOC_S_TUNER: | |
184 | case VIDIOC_S_FREQUENCY: | |
185 | ret = v4l2_prio_check(&vp->prio, &fh->prio); | |
186 | if (ret) | |
187 | return ret; | |
188 | } | |
189 | ||
190 | switch (cmd) { | |
191 | case VIDIOC_QUERYCAP: | |
192 | { | |
193 | struct v4l2_capability *cap = arg; | |
194 | ||
195 | memcpy(cap, &pvr_capability, sizeof(struct v4l2_capability)); | |
31a18547 MI |
196 | strlcpy(cap->bus_info,pvr2_hdw_get_bus_info(hdw), |
197 | sizeof(cap->bus_info)); | |
78a47101 | 198 | strlcpy(cap->card,pvr2_hdw_get_desc(hdw),sizeof(cap->card)); |
d855497e MI |
199 | |
200 | ret = 0; | |
201 | break; | |
202 | } | |
203 | ||
204 | case VIDIOC_G_PRIORITY: | |
205 | { | |
206 | enum v4l2_priority *p = arg; | |
207 | ||
208 | *p = v4l2_prio_max(&vp->prio); | |
209 | ret = 0; | |
210 | break; | |
211 | } | |
212 | ||
213 | case VIDIOC_S_PRIORITY: | |
214 | { | |
215 | enum v4l2_priority *prio = arg; | |
216 | ||
217 | ret = v4l2_prio_change(&vp->prio, &fh->prio, *prio); | |
218 | break; | |
219 | } | |
220 | ||
221 | case VIDIOC_ENUMSTD: | |
222 | { | |
223 | struct v4l2_standard *vs = (struct v4l2_standard *)arg; | |
224 | int idx = vs->index; | |
225 | ret = pvr2_hdw_get_stdenum_value(hdw,vs,idx+1); | |
226 | break; | |
227 | } | |
228 | ||
229 | case VIDIOC_G_STD: | |
230 | { | |
231 | int val = 0; | |
232 | ret = pvr2_ctrl_get_value( | |
233 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDCUR),&val); | |
234 | *(v4l2_std_id *)arg = val; | |
235 | break; | |
236 | } | |
237 | ||
238 | case VIDIOC_S_STD: | |
239 | { | |
240 | ret = pvr2_ctrl_set_value( | |
241 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDCUR), | |
242 | *(v4l2_std_id *)arg); | |
243 | break; | |
244 | } | |
245 | ||
246 | case VIDIOC_ENUMINPUT: | |
247 | { | |
248 | struct pvr2_ctrl *cptr; | |
249 | struct v4l2_input *vi = (struct v4l2_input *)arg; | |
250 | struct v4l2_input tmp; | |
251 | unsigned int cnt; | |
beb0ecd7 | 252 | int val; |
d855497e MI |
253 | |
254 | cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT); | |
255 | ||
256 | memset(&tmp,0,sizeof(tmp)); | |
257 | tmp.index = vi->index; | |
258 | ret = 0; | |
223ffe5f | 259 | if (vi->index >= fh->input_cnt) { |
beb0ecd7 MI |
260 | ret = -EINVAL; |
261 | break; | |
262 | } | |
e57b1c80 | 263 | val = fh->input_map[vi->index]; |
beb0ecd7 | 264 | switch (val) { |
d855497e | 265 | case PVR2_CVAL_INPUT_TV: |
895c3e8b | 266 | case PVR2_CVAL_INPUT_DTV: |
d855497e MI |
267 | case PVR2_CVAL_INPUT_RADIO: |
268 | tmp.type = V4L2_INPUT_TYPE_TUNER; | |
269 | break; | |
270 | case PVR2_CVAL_INPUT_SVIDEO: | |
271 | case PVR2_CVAL_INPUT_COMPOSITE: | |
272 | tmp.type = V4L2_INPUT_TYPE_CAMERA; | |
273 | break; | |
274 | default: | |
275 | ret = -EINVAL; | |
276 | break; | |
277 | } | |
278 | if (ret < 0) break; | |
279 | ||
280 | cnt = 0; | |
beb0ecd7 | 281 | pvr2_ctrl_get_valname(cptr,val, |
d855497e MI |
282 | tmp.name,sizeof(tmp.name)-1,&cnt); |
283 | tmp.name[cnt] = 0; | |
284 | ||
285 | /* Don't bother with audioset, since this driver currently | |
286 | always switches the audio whenever the video is | |
287 | switched. */ | |
288 | ||
289 | /* Handling std is a tougher problem. It doesn't make | |
290 | sense in cases where a device might be multi-standard. | |
291 | We could just copy out the current value for the | |
292 | standard, but it can change over time. For now just | |
293 | leave it zero. */ | |
294 | ||
295 | memcpy(vi, &tmp, sizeof(tmp)); | |
296 | ||
297 | ret = 0; | |
298 | break; | |
299 | } | |
300 | ||
301 | case VIDIOC_G_INPUT: | |
302 | { | |
beb0ecd7 | 303 | unsigned int idx; |
d855497e MI |
304 | struct pvr2_ctrl *cptr; |
305 | struct v4l2_input *vi = (struct v4l2_input *)arg; | |
306 | int val; | |
307 | cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT); | |
308 | val = 0; | |
309 | ret = pvr2_ctrl_get_value(cptr,&val); | |
beb0ecd7 | 310 | vi->index = 0; |
e57b1c80 MI |
311 | for (idx = 0; idx < fh->input_cnt; idx++) { |
312 | if (fh->input_map[idx] == val) { | |
beb0ecd7 MI |
313 | vi->index = idx; |
314 | break; | |
315 | } | |
316 | } | |
d855497e MI |
317 | break; |
318 | } | |
319 | ||
320 | case VIDIOC_S_INPUT: | |
321 | { | |
322 | struct v4l2_input *vi = (struct v4l2_input *)arg; | |
223ffe5f | 323 | if (vi->index >= fh->input_cnt) { |
beb0ecd7 MI |
324 | ret = -ERANGE; |
325 | break; | |
326 | } | |
d855497e MI |
327 | ret = pvr2_ctrl_set_value( |
328 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT), | |
e57b1c80 | 329 | fh->input_map[vi->index]); |
d855497e MI |
330 | break; |
331 | } | |
332 | ||
333 | case VIDIOC_ENUMAUDIO: | |
334 | { | |
848ed3ca PK |
335 | /* pkt: FIXME: We are returning one "fake" input here |
336 | which could very well be called "whatever_we_like". | |
337 | This is for apps that want to see an audio input | |
338 | just to feel comfortable, as well as to test if | |
339 | it can do stereo or sth. There is actually no guarantee | |
340 | that the actual audio input cannot change behind the app's | |
341 | back, but most applications should not mind that either. | |
342 | ||
343 | Hopefully, mplayer people will work with us on this (this | |
344 | whole mess is to support mplayer pvr://), or Hans will come | |
345 | up with a more standard way to say "we have inputs but we | |
346 | don 't want you to change them independent of video" which | |
347 | will sort this mess. | |
348 | */ | |
349 | struct v4l2_audio *vin = arg; | |
d855497e | 350 | ret = -EINVAL; |
848ed3ca PK |
351 | if (vin->index > 0) break; |
352 | strncpy(vin->name, "PVRUSB2 Audio",14); | |
353 | vin->capability = V4L2_AUDCAP_STEREO; | |
354 | ret = 0; | |
355 | break; | |
d855497e MI |
356 | break; |
357 | } | |
358 | ||
359 | case VIDIOC_G_AUDIO: | |
360 | { | |
848ed3ca PK |
361 | /* pkt: FIXME: see above comment (VIDIOC_ENUMAUDIO) */ |
362 | struct v4l2_audio *vin = arg; | |
363 | memset(vin,0,sizeof(*vin)); | |
364 | vin->index = 0; | |
365 | strncpy(vin->name, "PVRUSB2 Audio",14); | |
366 | vin->capability = V4L2_AUDCAP_STEREO; | |
367 | ret = 0; | |
d855497e MI |
368 | break; |
369 | } | |
370 | ||
371 | case VIDIOC_S_AUDIO: | |
372 | { | |
373 | ret = -EINVAL; | |
374 | break; | |
375 | } | |
376 | case VIDIOC_G_TUNER: | |
377 | { | |
378 | struct v4l2_tuner *vt = (struct v4l2_tuner *)arg; | |
5cc1dd8c | 379 | |
8d364363 | 380 | if (vt->index != 0) break; /* Only answer for the 1st tuner */ |
5cc1dd8c | 381 | |
18103c57 MI |
382 | pvr2_hdw_execute_tuner_poll(hdw); |
383 | ret = pvr2_hdw_get_tuner_status(hdw,vt); | |
d855497e MI |
384 | break; |
385 | } | |
386 | ||
387 | case VIDIOC_S_TUNER: | |
388 | { | |
389 | struct v4l2_tuner *vt=(struct v4l2_tuner *)arg; | |
390 | ||
391 | if (vt->index != 0) | |
392 | break; | |
393 | ||
394 | ret = pvr2_ctrl_set_value( | |
395 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_AUDIOMODE), | |
396 | vt->audmode); | |
11fc76c9 | 397 | break; |
d855497e MI |
398 | } |
399 | ||
400 | case VIDIOC_S_FREQUENCY: | |
401 | { | |
402 | const struct v4l2_frequency *vf = (struct v4l2_frequency *)arg; | |
c0e69315 | 403 | unsigned long fv; |
18103c57 MI |
404 | struct v4l2_tuner vt; |
405 | int cur_input; | |
406 | struct pvr2_ctrl *ctrlp; | |
407 | ret = pvr2_hdw_get_tuner_status(hdw,&vt); | |
408 | if (ret != 0) break; | |
409 | ctrlp = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT); | |
410 | ret = pvr2_ctrl_get_value(ctrlp,&cur_input); | |
411 | if (ret != 0) break; | |
c0e69315 | 412 | if (vf->type == V4L2_TUNER_RADIO) { |
18103c57 MI |
413 | if (cur_input != PVR2_CVAL_INPUT_RADIO) { |
414 | pvr2_ctrl_set_value(ctrlp, | |
415 | PVR2_CVAL_INPUT_RADIO); | |
416 | } | |
417 | } else { | |
418 | if (cur_input == PVR2_CVAL_INPUT_RADIO) { | |
419 | pvr2_ctrl_set_value(ctrlp, | |
420 | PVR2_CVAL_INPUT_TV); | |
421 | } | |
422 | } | |
423 | fv = vf->frequency; | |
424 | if (vt.capability & V4L2_TUNER_CAP_LOW) { | |
c0e69315 MI |
425 | fv = (fv * 125) / 2; |
426 | } else { | |
427 | fv = fv * 62500; | |
428 | } | |
d855497e | 429 | ret = pvr2_ctrl_set_value( |
c0e69315 | 430 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY),fv); |
d855497e MI |
431 | break; |
432 | } | |
433 | ||
434 | case VIDIOC_G_FREQUENCY: | |
435 | { | |
436 | struct v4l2_frequency *vf = (struct v4l2_frequency *)arg; | |
437 | int val = 0; | |
18103c57 MI |
438 | int cur_input; |
439 | struct v4l2_tuner vt; | |
440 | ret = pvr2_hdw_get_tuner_status(hdw,&vt); | |
441 | if (ret != 0) break; | |
d855497e MI |
442 | ret = pvr2_ctrl_get_value( |
443 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY), | |
444 | &val); | |
c0e69315 MI |
445 | if (ret != 0) break; |
446 | pvr2_ctrl_get_value( | |
447 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT), | |
448 | &cur_input); | |
449 | if (cur_input == PVR2_CVAL_INPUT_RADIO) { | |
c0e69315 MI |
450 | vf->type = V4L2_TUNER_RADIO; |
451 | } else { | |
c0e69315 MI |
452 | vf->type = V4L2_TUNER_ANALOG_TV; |
453 | } | |
18103c57 MI |
454 | if (vt.capability & V4L2_TUNER_CAP_LOW) { |
455 | val = (val * 2) / 125; | |
456 | } else { | |
457 | val /= 62500; | |
458 | } | |
459 | vf->frequency = val; | |
d855497e MI |
460 | break; |
461 | } | |
462 | ||
463 | case VIDIOC_ENUM_FMT: | |
464 | { | |
465 | struct v4l2_fmtdesc *fd = (struct v4l2_fmtdesc *)arg; | |
466 | ||
467 | /* Only one format is supported : mpeg.*/ | |
468 | if (fd->index != 0) | |
469 | break; | |
470 | ||
471 | memcpy(fd, pvr_fmtdesc, sizeof(struct v4l2_fmtdesc)); | |
472 | ret = 0; | |
473 | break; | |
474 | } | |
475 | ||
476 | case VIDIOC_G_FMT: | |
477 | { | |
478 | struct v4l2_format *vf = (struct v4l2_format *)arg; | |
479 | int val; | |
480 | switch(vf->type) { | |
481 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
482 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], | |
483 | sizeof(struct v4l2_format)); | |
484 | val = 0; | |
485 | pvr2_ctrl_get_value( | |
486 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_HRES), | |
487 | &val); | |
488 | vf->fmt.pix.width = val; | |
489 | val = 0; | |
d855497e MI |
490 | pvr2_ctrl_get_value( |
491 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_VRES), | |
492 | &val); | |
493 | vf->fmt.pix.height = val; | |
494 | ret = 0; | |
495 | break; | |
496 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
497 | // ????? Still need to figure out to do VBI correctly | |
498 | ret = -EINVAL; | |
499 | break; | |
500 | default: | |
501 | ret = -EINVAL; | |
502 | break; | |
503 | } | |
504 | break; | |
505 | } | |
506 | ||
507 | case VIDIOC_TRY_FMT: | |
508 | case VIDIOC_S_FMT: | |
509 | { | |
510 | struct v4l2_format *vf = (struct v4l2_format *)arg; | |
511 | ||
512 | ret = 0; | |
513 | switch(vf->type) { | |
514 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { | |
fd694964 | 515 | int lmin,lmax,ldef; |
e95a1915 | 516 | struct pvr2_ctrl *hcp,*vcp; |
d855497e MI |
517 | int h = vf->fmt.pix.height; |
518 | int w = vf->fmt.pix.width; | |
e95a1915 MI |
519 | hcp = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_HRES); |
520 | vcp = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_VRES); | |
521 | ||
522 | lmin = pvr2_ctrl_get_min(hcp); | |
523 | lmax = pvr2_ctrl_get_max(hcp); | |
26dd1c57 | 524 | pvr2_ctrl_get_def(hcp, &ldef); |
fd694964 PK |
525 | if (w == -1) { |
526 | w = ldef; | |
527 | } else if (w < lmin) { | |
e95a1915 MI |
528 | w = lmin; |
529 | } else if (w > lmax) { | |
530 | w = lmax; | |
d855497e | 531 | } |
b31e341b HV |
532 | lmin = pvr2_ctrl_get_min(vcp); |
533 | lmax = pvr2_ctrl_get_max(vcp); | |
26dd1c57 | 534 | pvr2_ctrl_get_def(vcp, &ldef); |
fd694964 PK |
535 | if (h == -1) { |
536 | h = ldef; | |
537 | } else if (h < lmin) { | |
b31e341b HV |
538 | h = lmin; |
539 | } else if (h > lmax) { | |
540 | h = lmax; | |
541 | } | |
d855497e MI |
542 | |
543 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], | |
544 | sizeof(struct v4l2_format)); | |
039c430f MI |
545 | vf->fmt.pix.width = w; |
546 | vf->fmt.pix.height = h; | |
d855497e MI |
547 | |
548 | if (cmd == VIDIOC_S_FMT) { | |
e95a1915 MI |
549 | pvr2_ctrl_set_value(hcp,vf->fmt.pix.width); |
550 | pvr2_ctrl_set_value(vcp,vf->fmt.pix.height); | |
d855497e MI |
551 | } |
552 | } break; | |
553 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
554 | // ????? Still need to figure out to do VBI correctly | |
555 | ret = -EINVAL; | |
556 | break; | |
557 | default: | |
558 | ret = -EINVAL; | |
559 | break; | |
560 | } | |
561 | break; | |
562 | } | |
563 | ||
564 | case VIDIOC_STREAMON: | |
565 | { | |
16eb40d3 MI |
566 | if (!fh->dev_info->stream) { |
567 | /* No stream defined for this node. This means | |
568 | that we're not currently allowed to stream from | |
569 | this node. */ | |
570 | ret = -EPERM; | |
571 | break; | |
572 | } | |
d855497e MI |
573 | ret = pvr2_hdw_set_stream_type(hdw,dev_info->config); |
574 | if (ret < 0) return ret; | |
575 | ret = pvr2_hdw_set_streaming(hdw,!0); | |
576 | break; | |
577 | } | |
578 | ||
579 | case VIDIOC_STREAMOFF: | |
580 | { | |
16eb40d3 MI |
581 | if (!fh->dev_info->stream) { |
582 | /* No stream defined for this node. This means | |
583 | that we're not currently allowed to stream from | |
584 | this node. */ | |
585 | ret = -EPERM; | |
586 | break; | |
587 | } | |
d855497e MI |
588 | ret = pvr2_hdw_set_streaming(hdw,0); |
589 | break; | |
590 | } | |
591 | ||
592 | case VIDIOC_QUERYCTRL: | |
593 | { | |
594 | struct pvr2_ctrl *cptr; | |
26dd1c57 | 595 | int val; |
d855497e MI |
596 | struct v4l2_queryctrl *vc = (struct v4l2_queryctrl *)arg; |
597 | ret = 0; | |
1d9f8461 MI |
598 | if (vc->id & V4L2_CTRL_FLAG_NEXT_CTRL) { |
599 | cptr = pvr2_hdw_get_ctrl_nextv4l( | |
600 | hdw,(vc->id & ~V4L2_CTRL_FLAG_NEXT_CTRL)); | |
601 | if (cptr) vc->id = pvr2_ctrl_get_v4lid(cptr); | |
602 | } else { | |
603 | cptr = pvr2_hdw_get_ctrl_v4l(hdw,vc->id); | |
604 | } | |
d855497e | 605 | if (!cptr) { |
0885ba1d | 606 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
a761f431 MI |
607 | "QUERYCTRL id=0x%x not implemented here", |
608 | vc->id); | |
d855497e MI |
609 | ret = -EINVAL; |
610 | break; | |
611 | } | |
612 | ||
a761f431 MI |
613 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
614 | "QUERYCTRL id=0x%x mapping name=%s (%s)", | |
615 | vc->id,pvr2_ctrl_get_name(cptr), | |
616 | pvr2_ctrl_get_desc(cptr)); | |
617 | strlcpy(vc->name,pvr2_ctrl_get_desc(cptr),sizeof(vc->name)); | |
618 | vc->flags = pvr2_ctrl_get_v4lflags(cptr); | |
26dd1c57 MI |
619 | pvr2_ctrl_get_def(cptr, &val); |
620 | vc->default_value = val; | |
d855497e MI |
621 | switch (pvr2_ctrl_get_type(cptr)) { |
622 | case pvr2_ctl_enum: | |
623 | vc->type = V4L2_CTRL_TYPE_MENU; | |
624 | vc->minimum = 0; | |
625 | vc->maximum = pvr2_ctrl_get_cnt(cptr) - 1; | |
626 | vc->step = 1; | |
627 | break; | |
33213963 | 628 | case pvr2_ctl_bool: |
1d9f8461 | 629 | vc->type = V4L2_CTRL_TYPE_BOOLEAN; |
33213963 MI |
630 | vc->minimum = 0; |
631 | vc->maximum = 1; | |
632 | vc->step = 1; | |
633 | break; | |
d855497e MI |
634 | case pvr2_ctl_int: |
635 | vc->type = V4L2_CTRL_TYPE_INTEGER; | |
636 | vc->minimum = pvr2_ctrl_get_min(cptr); | |
637 | vc->maximum = pvr2_ctrl_get_max(cptr); | |
638 | vc->step = 1; | |
639 | break; | |
640 | default: | |
0885ba1d | 641 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
a761f431 MI |
642 | "QUERYCTRL id=0x%x name=%s not mappable", |
643 | vc->id,pvr2_ctrl_get_name(cptr)); | |
d855497e MI |
644 | ret = -EINVAL; |
645 | break; | |
646 | } | |
647 | break; | |
648 | } | |
649 | ||
650 | case VIDIOC_QUERYMENU: | |
651 | { | |
652 | struct v4l2_querymenu *vm = (struct v4l2_querymenu *)arg; | |
653 | unsigned int cnt = 0; | |
654 | ret = pvr2_ctrl_get_valname(pvr2_hdw_get_ctrl_v4l(hdw,vm->id), | |
655 | vm->index, | |
656 | vm->name,sizeof(vm->name)-1, | |
657 | &cnt); | |
658 | vm->name[cnt] = 0; | |
659 | break; | |
660 | } | |
661 | ||
662 | case VIDIOC_G_CTRL: | |
663 | { | |
664 | struct v4l2_control *vc = (struct v4l2_control *)arg; | |
665 | int val = 0; | |
666 | ret = pvr2_ctrl_get_value(pvr2_hdw_get_ctrl_v4l(hdw,vc->id), | |
667 | &val); | |
668 | vc->value = val; | |
669 | break; | |
670 | } | |
671 | ||
672 | case VIDIOC_S_CTRL: | |
673 | { | |
674 | struct v4l2_control *vc = (struct v4l2_control *)arg; | |
675 | ret = pvr2_ctrl_set_value(pvr2_hdw_get_ctrl_v4l(hdw,vc->id), | |
676 | vc->value); | |
677 | break; | |
678 | } | |
679 | ||
1d9f8461 MI |
680 | case VIDIOC_G_EXT_CTRLS: |
681 | { | |
682 | struct v4l2_ext_controls *ctls = | |
683 | (struct v4l2_ext_controls *)arg; | |
684 | struct v4l2_ext_control *ctrl; | |
685 | unsigned int idx; | |
686 | int val; | |
c1c2680d | 687 | ret = 0; |
1d9f8461 MI |
688 | for (idx = 0; idx < ctls->count; idx++) { |
689 | ctrl = ctls->controls + idx; | |
690 | ret = pvr2_ctrl_get_value( | |
691 | pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id),&val); | |
692 | if (ret) { | |
693 | ctls->error_idx = idx; | |
694 | break; | |
695 | } | |
696 | /* Ensure that if read as a 64 bit value, the user | |
697 | will still get a hopefully sane value */ | |
698 | ctrl->value64 = 0; | |
699 | ctrl->value = val; | |
700 | } | |
701 | break; | |
702 | } | |
703 | ||
704 | case VIDIOC_S_EXT_CTRLS: | |
705 | { | |
706 | struct v4l2_ext_controls *ctls = | |
707 | (struct v4l2_ext_controls *)arg; | |
708 | struct v4l2_ext_control *ctrl; | |
709 | unsigned int idx; | |
c1c2680d | 710 | ret = 0; |
1d9f8461 MI |
711 | for (idx = 0; idx < ctls->count; idx++) { |
712 | ctrl = ctls->controls + idx; | |
713 | ret = pvr2_ctrl_set_value( | |
714 | pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id), | |
715 | ctrl->value); | |
716 | if (ret) { | |
717 | ctls->error_idx = idx; | |
718 | break; | |
719 | } | |
720 | } | |
721 | break; | |
722 | } | |
723 | ||
724 | case VIDIOC_TRY_EXT_CTRLS: | |
725 | { | |
726 | struct v4l2_ext_controls *ctls = | |
727 | (struct v4l2_ext_controls *)arg; | |
728 | struct v4l2_ext_control *ctrl; | |
729 | struct pvr2_ctrl *pctl; | |
730 | unsigned int idx; | |
731 | /* For the moment just validate that the requested control | |
732 | actually exists. */ | |
c1c2680d | 733 | ret = 0; |
1d9f8461 MI |
734 | for (idx = 0; idx < ctls->count; idx++) { |
735 | ctrl = ctls->controls + idx; | |
736 | pctl = pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id); | |
737 | if (!pctl) { | |
738 | ret = -EINVAL; | |
739 | ctls->error_idx = idx; | |
740 | break; | |
741 | } | |
742 | } | |
743 | break; | |
744 | } | |
745 | ||
432907f7 MI |
746 | case VIDIOC_CROPCAP: |
747 | { | |
748 | struct v4l2_cropcap *cap = (struct v4l2_cropcap *)arg; | |
749 | if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
750 | ret = -EINVAL; | |
751 | break; | |
752 | } | |
753 | ret = pvr2_hdw_get_cropcap(hdw, cap); | |
754 | cap->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; /* paranoia */ | |
755 | break; | |
756 | } | |
757 | case VIDIOC_G_CROP: | |
758 | { | |
759 | struct v4l2_crop *crop = (struct v4l2_crop *)arg; | |
760 | int val = 0; | |
761 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
762 | ret = -EINVAL; | |
763 | break; | |
764 | } | |
765 | ret = pvr2_ctrl_get_value( | |
766 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), &val); | |
767 | if (ret != 0) { | |
768 | ret = -EINVAL; | |
769 | break; | |
770 | } | |
771 | crop->c.left = val; | |
772 | ret = pvr2_ctrl_get_value( | |
773 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), &val); | |
774 | if (ret != 0) { | |
775 | ret = -EINVAL; | |
776 | break; | |
777 | } | |
778 | crop->c.top = val; | |
779 | ret = pvr2_ctrl_get_value( | |
780 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), &val); | |
781 | if (ret != 0) { | |
782 | ret = -EINVAL; | |
783 | break; | |
784 | } | |
785 | crop->c.width = val; | |
786 | ret = pvr2_ctrl_get_value( | |
787 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), &val); | |
788 | if (ret != 0) { | |
789 | ret = -EINVAL; | |
790 | break; | |
791 | } | |
792 | crop->c.height = val; | |
793 | } | |
794 | case VIDIOC_S_CROP: | |
795 | { | |
796 | struct v4l2_crop *crop = (struct v4l2_crop *)arg; | |
797 | struct v4l2_cropcap cap; | |
798 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
799 | ret = -EINVAL; | |
800 | break; | |
801 | } | |
802 | cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
803 | ret = pvr2_ctrl_set_value( | |
804 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), | |
805 | crop->c.left); | |
806 | if (ret != 0) { | |
807 | ret = -EINVAL; | |
808 | break; | |
809 | } | |
810 | ret = pvr2_ctrl_set_value( | |
811 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), | |
812 | crop->c.top); | |
813 | if (ret != 0) { | |
814 | ret = -EINVAL; | |
815 | break; | |
816 | } | |
817 | ret = pvr2_ctrl_set_value( | |
818 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), | |
819 | crop->c.width); | |
820 | if (ret != 0) { | |
821 | ret = -EINVAL; | |
822 | break; | |
823 | } | |
824 | ret = pvr2_ctrl_set_value( | |
825 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), | |
826 | crop->c.height); | |
827 | if (ret != 0) { | |
828 | ret = -EINVAL; | |
829 | break; | |
830 | } | |
831 | } | |
d855497e MI |
832 | case VIDIOC_LOG_STATUS: |
833 | { | |
d855497e | 834 | pvr2_hdw_trigger_module_log(hdw); |
d855497e MI |
835 | ret = 0; |
836 | break; | |
837 | } | |
32ffa9ae | 838 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
52ebc763 | 839 | case VIDIOC_DBG_S_REGISTER: |
52ebc763 | 840 | case VIDIOC_DBG_G_REGISTER: |
32ffa9ae | 841 | { |
f3d092b8 | 842 | u64 val; |
aecde8b5 | 843 | struct v4l2_dbg_register *req = (struct v4l2_dbg_register *)arg; |
52ebc763 | 844 | if (cmd == VIDIOC_DBG_S_REGISTER) val = req->val; |
32ffa9ae | 845 | ret = pvr2_hdw_register_access( |
aecde8b5 HV |
846 | hdw, &req->match, req->reg, |
847 | cmd == VIDIOC_DBG_S_REGISTER, &val); | |
52ebc763 | 848 | if (cmd == VIDIOC_DBG_G_REGISTER) req->val = val; |
32ffa9ae MI |
849 | break; |
850 | } | |
851 | #endif | |
d855497e MI |
852 | |
853 | default : | |
b1f88407 | 854 | ret = v4l_compat_translate_ioctl(file, cmd, |
f473bf76 | 855 | arg, pvr2_v4l2_do_ioctl); |
d855497e MI |
856 | } |
857 | ||
858 | pvr2_hdw_commit_ctl(hdw); | |
859 | ||
860 | if (ret < 0) { | |
861 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { | |
0885ba1d | 862 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
069b7479 | 863 | "pvr2_v4l2_do_ioctl failure, ret=%ld", ret); |
d855497e | 864 | } else { |
0885ba1d MI |
865 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { |
866 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
069b7479 HV |
867 | "pvr2_v4l2_do_ioctl failure, ret=%ld" |
868 | " command was:", ret); | |
d855497e MI |
869 | v4l_print_ioctl(pvr2_hdw_get_driver_name(hdw), |
870 | cmd); | |
871 | } | |
872 | } | |
873 | } else { | |
874 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
069b7479 HV |
875 | "pvr2_v4l2_do_ioctl complete, ret=%ld (0x%lx)", |
876 | ret, ret); | |
d855497e MI |
877 | } |
878 | return ret; | |
879 | } | |
880 | ||
d855497e MI |
881 | static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip) |
882 | { | |
0f0f257b | 883 | struct pvr2_hdw *hdw = dip->v4lp->channel.mc_head->hdw; |
16eb40d3 | 884 | enum pvr2_config cfg = dip->config; |
0f0f257b | 885 | |
16eb40d3 | 886 | pvr2_hdw_v4l_store_minor_number(hdw,dip->minor_type,-1); |
75910053 MI |
887 | |
888 | /* Paranoia */ | |
c2625bff RD |
889 | dip->v4lp = NULL; |
890 | dip->stream = NULL; | |
75910053 MI |
891 | |
892 | /* Actual deallocation happens later when all internal references | |
893 | are gone. */ | |
894 | video_unregister_device(&dip->devbase); | |
0f0f257b | 895 | |
38c7c036 LP |
896 | printk(KERN_INFO "pvrusb2: unregistered device %s [%s]\n", |
897 | video_device_node_name(&dip->devbase), | |
16eb40d3 | 898 | pvr2_config_get_name(cfg)); |
0f0f257b | 899 | |
d855497e MI |
900 | } |
901 | ||
902 | ||
4a89baa2 MI |
903 | static void pvr2_v4l2_dev_disassociate_parent(struct pvr2_v4l2_dev *dip) |
904 | { | |
905 | if (!dip) return; | |
906 | if (!dip->devbase.parent) return; | |
907 | dip->devbase.parent = NULL; | |
908 | device_move(&dip->devbase.dev, NULL, DPM_ORDER_NONE); | |
909 | } | |
910 | ||
911 | ||
d855497e MI |
912 | static void pvr2_v4l2_destroy_no_lock(struct pvr2_v4l2 *vp) |
913 | { | |
0f0f257b MI |
914 | if (vp->dev_video) { |
915 | pvr2_v4l2_dev_destroy(vp->dev_video); | |
89952d13 | 916 | vp->dev_video = NULL; |
0f0f257b MI |
917 | } |
918 | if (vp->dev_radio) { | |
919 | pvr2_v4l2_dev_destroy(vp->dev_radio); | |
89952d13 | 920 | vp->dev_radio = NULL; |
0f0f257b | 921 | } |
d855497e MI |
922 | |
923 | pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr2_v4l2 id=%p",vp); | |
924 | pvr2_channel_done(&vp->channel); | |
925 | kfree(vp); | |
926 | } | |
927 | ||
928 | ||
75910053 MI |
929 | static void pvr2_video_device_release(struct video_device *vdev) |
930 | { | |
931 | struct pvr2_v4l2_dev *dev; | |
932 | dev = container_of(vdev,struct pvr2_v4l2_dev,devbase); | |
933 | kfree(dev); | |
934 | } | |
935 | ||
936 | ||
07e337ee | 937 | static void pvr2_v4l2_internal_check(struct pvr2_channel *chp) |
d855497e MI |
938 | { |
939 | struct pvr2_v4l2 *vp; | |
940 | vp = container_of(chp,struct pvr2_v4l2,channel); | |
941 | if (!vp->channel.mc_head->disconnect_flag) return; | |
4a89baa2 MI |
942 | pvr2_v4l2_dev_disassociate_parent(vp->dev_video); |
943 | pvr2_v4l2_dev_disassociate_parent(vp->dev_radio); | |
d855497e MI |
944 | if (vp->vfirst) return; |
945 | pvr2_v4l2_destroy_no_lock(vp); | |
946 | } | |
947 | ||
948 | ||
069b7479 | 949 | static long pvr2_v4l2_ioctl(struct file *file, |
07e337ee | 950 | unsigned int cmd, unsigned long arg) |
d855497e MI |
951 | { |
952 | ||
f473bf76 | 953 | return video_usercopy(file, cmd, arg, pvr2_v4l2_do_ioctl); |
d855497e MI |
954 | } |
955 | ||
956 | ||
bec43661 | 957 | static int pvr2_v4l2_release(struct file *file) |
d855497e MI |
958 | { |
959 | struct pvr2_v4l2_fh *fhp = file->private_data; | |
960 | struct pvr2_v4l2 *vp = fhp->vhead; | |
c74e0062 | 961 | struct pvr2_hdw *hdw = fhp->channel.mc_head->hdw; |
d855497e MI |
962 | |
963 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_release"); | |
964 | ||
965 | if (fhp->rhp) { | |
966 | struct pvr2_stream *sp; | |
d855497e MI |
967 | pvr2_hdw_set_streaming(hdw,0); |
968 | sp = pvr2_ioread_get_stream(fhp->rhp); | |
a0fd1cb1 | 969 | if (sp) pvr2_stream_set_callback(sp,NULL,NULL); |
d855497e | 970 | pvr2_ioread_destroy(fhp->rhp); |
a0fd1cb1 | 971 | fhp->rhp = NULL; |
d855497e | 972 | } |
ae2b9e25 | 973 | |
d855497e MI |
974 | v4l2_prio_close(&vp->prio, &fhp->prio); |
975 | file->private_data = NULL; | |
976 | ||
794b1607 MI |
977 | if (fhp->vnext) { |
978 | fhp->vnext->vprev = fhp->vprev; | |
979 | } else { | |
980 | vp->vlast = fhp->vprev; | |
981 | } | |
982 | if (fhp->vprev) { | |
983 | fhp->vprev->vnext = fhp->vnext; | |
984 | } else { | |
985 | vp->vfirst = fhp->vnext; | |
986 | } | |
987 | fhp->vnext = NULL; | |
988 | fhp->vprev = NULL; | |
989 | fhp->vhead = NULL; | |
990 | pvr2_channel_done(&fhp->channel); | |
991 | pvr2_trace(PVR2_TRACE_STRUCT, | |
992 | "Destroying pvr_v4l2_fh id=%p",fhp); | |
e57b1c80 MI |
993 | if (fhp->input_map) { |
994 | kfree(fhp->input_map); | |
995 | fhp->input_map = NULL; | |
996 | } | |
794b1607 MI |
997 | kfree(fhp); |
998 | if (vp->channel.mc_head->disconnect_flag && !vp->vfirst) { | |
999 | pvr2_v4l2_destroy_no_lock(vp); | |
1000 | } | |
d855497e MI |
1001 | return 0; |
1002 | } | |
1003 | ||
1004 | ||
bec43661 | 1005 | static int pvr2_v4l2_open(struct file *file) |
d855497e | 1006 | { |
75910053 | 1007 | struct pvr2_v4l2_dev *dip; /* Our own context pointer */ |
d855497e MI |
1008 | struct pvr2_v4l2_fh *fhp; |
1009 | struct pvr2_v4l2 *vp; | |
1010 | struct pvr2_hdw *hdw; | |
1cb03b76 | 1011 | unsigned int input_mask = 0; |
e57b1c80 | 1012 | unsigned int input_cnt,idx; |
1cb03b76 | 1013 | int ret = 0; |
d855497e | 1014 | |
75910053 | 1015 | dip = container_of(video_devdata(file),struct pvr2_v4l2_dev,devbase); |
d855497e MI |
1016 | |
1017 | vp = dip->v4lp; | |
1018 | hdw = vp->channel.hdw; | |
1019 | ||
1020 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_open"); | |
1021 | ||
1022 | if (!pvr2_hdw_dev_ok(hdw)) { | |
1023 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE, | |
1024 | "pvr2_v4l2_open: hardware not ready"); | |
1025 | return -EIO; | |
1026 | } | |
1027 | ||
4b85dee6 | 1028 | fhp = kzalloc(sizeof(*fhp),GFP_KERNEL); |
d855497e MI |
1029 | if (!fhp) { |
1030 | return -ENOMEM; | |
1031 | } | |
d855497e MI |
1032 | |
1033 | init_waitqueue_head(&fhp->wait_data); | |
1034 | fhp->dev_info = dip; | |
1035 | ||
794b1607 MI |
1036 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr_v4l2_fh id=%p",fhp); |
1037 | pvr2_channel_init(&fhp->channel,vp->channel.mc_head); | |
ae2b9e25 | 1038 | |
1cb03b76 MI |
1039 | if (dip->v4l_type == VFL_TYPE_RADIO) { |
1040 | /* Opening device as a radio, legal input selection subset | |
1041 | is just the radio. */ | |
1042 | input_mask = (1 << PVR2_CVAL_INPUT_RADIO); | |
1043 | } else { | |
1044 | /* Opening the main V4L device, legal input selection | |
1045 | subset includes all analog inputs. */ | |
1046 | input_mask = ((1 << PVR2_CVAL_INPUT_RADIO) | | |
1047 | (1 << PVR2_CVAL_INPUT_TV) | | |
1048 | (1 << PVR2_CVAL_INPUT_COMPOSITE) | | |
1049 | (1 << PVR2_CVAL_INPUT_SVIDEO)); | |
1050 | } | |
1051 | ret = pvr2_channel_limit_inputs(&fhp->channel,input_mask); | |
1052 | if (ret) { | |
1053 | pvr2_channel_done(&fhp->channel); | |
1054 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1055 | "Destroying pvr_v4l2_fh id=%p (input mask error)", | |
1056 | fhp); | |
1057 | ||
1058 | kfree(fhp); | |
1059 | return ret; | |
1060 | } | |
1061 | ||
e57b1c80 MI |
1062 | input_mask &= pvr2_hdw_get_input_available(hdw); |
1063 | input_cnt = 0; | |
1064 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1065 | if (input_mask & (1 << idx)) input_cnt++; | |
1066 | } | |
1067 | fhp->input_cnt = input_cnt; | |
1068 | fhp->input_map = kzalloc(input_cnt,GFP_KERNEL); | |
1069 | if (!fhp->input_map) { | |
1070 | pvr2_channel_done(&fhp->channel); | |
1071 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1072 | "Destroying pvr_v4l2_fh id=%p (input map failure)", | |
1073 | fhp); | |
1074 | kfree(fhp); | |
1075 | return -ENOMEM; | |
1076 | } | |
1077 | input_cnt = 0; | |
1078 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1079 | if (!(input_mask & (1 << idx))) continue; | |
1080 | fhp->input_map[input_cnt++] = idx; | |
1081 | } | |
1082 | ||
794b1607 MI |
1083 | fhp->vnext = NULL; |
1084 | fhp->vprev = vp->vlast; | |
1085 | if (vp->vlast) { | |
1086 | vp->vlast->vnext = fhp; | |
1087 | } else { | |
1088 | vp->vfirst = fhp; | |
1089 | } | |
1090 | vp->vlast = fhp; | |
1091 | fhp->vhead = vp; | |
1092 | ||
d855497e MI |
1093 | fhp->file = file; |
1094 | file->private_data = fhp; | |
1095 | v4l2_prio_open(&vp->prio,&fhp->prio); | |
1096 | ||
1097 | fhp->fw_mode_flag = pvr2_hdw_cpufw_get_enabled(hdw); | |
1098 | ||
1099 | return 0; | |
1100 | } | |
1101 | ||
1102 | ||
1103 | static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp) | |
1104 | { | |
1105 | wake_up(&fhp->wait_data); | |
1106 | } | |
1107 | ||
1108 | static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh) | |
1109 | { | |
1110 | int ret; | |
1111 | struct pvr2_stream *sp; | |
1112 | struct pvr2_hdw *hdw; | |
1113 | if (fh->rhp) return 0; | |
1114 | ||
16eb40d3 MI |
1115 | if (!fh->dev_info->stream) { |
1116 | /* No stream defined for this node. This means that we're | |
1117 | not currently allowed to stream from this node. */ | |
1118 | return -EPERM; | |
1119 | } | |
1120 | ||
d855497e MI |
1121 | /* First read() attempt. Try to claim the stream and start |
1122 | it... */ | |
1123 | if ((ret = pvr2_channel_claim_stream(&fh->channel, | |
1124 | fh->dev_info->stream)) != 0) { | |
1125 | /* Someone else must already have it */ | |
1126 | return ret; | |
1127 | } | |
1128 | ||
1129 | fh->rhp = pvr2_channel_create_mpeg_stream(fh->dev_info->stream); | |
1130 | if (!fh->rhp) { | |
a0fd1cb1 | 1131 | pvr2_channel_claim_stream(&fh->channel,NULL); |
d855497e MI |
1132 | return -ENOMEM; |
1133 | } | |
1134 | ||
1135 | hdw = fh->channel.mc_head->hdw; | |
1136 | sp = fh->dev_info->stream->stream; | |
1137 | pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh); | |
1138 | pvr2_hdw_set_stream_type(hdw,fh->dev_info->config); | |
681c7399 MI |
1139 | if ((ret = pvr2_hdw_set_streaming(hdw,!0)) < 0) return ret; |
1140 | return pvr2_ioread_set_enabled(fh->rhp,!0); | |
d855497e MI |
1141 | } |
1142 | ||
1143 | ||
1144 | static ssize_t pvr2_v4l2_read(struct file *file, | |
1145 | char __user *buff, size_t count, loff_t *ppos) | |
1146 | { | |
1147 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1148 | int ret; | |
1149 | ||
1150 | if (fh->fw_mode_flag) { | |
1151 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
1152 | char *tbuf; | |
1153 | int c1,c2; | |
1154 | int tcnt = 0; | |
1155 | unsigned int offs = *ppos; | |
1156 | ||
1157 | tbuf = kmalloc(PAGE_SIZE,GFP_KERNEL); | |
1158 | if (!tbuf) return -ENOMEM; | |
1159 | ||
1160 | while (count) { | |
1161 | c1 = count; | |
1162 | if (c1 > PAGE_SIZE) c1 = PAGE_SIZE; | |
1163 | c2 = pvr2_hdw_cpufw_get(hdw,offs,tbuf,c1); | |
1164 | if (c2 < 0) { | |
1165 | tcnt = c2; | |
1166 | break; | |
1167 | } | |
1168 | if (!c2) break; | |
1169 | if (copy_to_user(buff,tbuf,c2)) { | |
1170 | tcnt = -EFAULT; | |
1171 | break; | |
1172 | } | |
1173 | offs += c2; | |
1174 | tcnt += c2; | |
1175 | buff += c2; | |
1176 | count -= c2; | |
1177 | *ppos += c2; | |
1178 | } | |
1179 | kfree(tbuf); | |
1180 | return tcnt; | |
1181 | } | |
1182 | ||
1183 | if (!fh->rhp) { | |
1184 | ret = pvr2_v4l2_iosetup(fh); | |
1185 | if (ret) { | |
1186 | return ret; | |
1187 | } | |
1188 | } | |
1189 | ||
1190 | for (;;) { | |
1191 | ret = pvr2_ioread_read(fh->rhp,buff,count); | |
1192 | if (ret >= 0) break; | |
1193 | if (ret != -EAGAIN) break; | |
1194 | if (file->f_flags & O_NONBLOCK) break; | |
1195 | /* Doing blocking I/O. Wait here. */ | |
1196 | ret = wait_event_interruptible( | |
1197 | fh->wait_data, | |
1198 | pvr2_ioread_avail(fh->rhp) >= 0); | |
1199 | if (ret < 0) break; | |
1200 | } | |
1201 | ||
1202 | return ret; | |
1203 | } | |
1204 | ||
1205 | ||
1206 | static unsigned int pvr2_v4l2_poll(struct file *file, poll_table *wait) | |
1207 | { | |
1208 | unsigned int mask = 0; | |
1209 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1210 | int ret; | |
1211 | ||
1212 | if (fh->fw_mode_flag) { | |
1213 | mask |= POLLIN | POLLRDNORM; | |
1214 | return mask; | |
1215 | } | |
1216 | ||
1217 | if (!fh->rhp) { | |
1218 | ret = pvr2_v4l2_iosetup(fh); | |
1219 | if (ret) return POLLERR; | |
1220 | } | |
1221 | ||
1222 | poll_wait(file,&fh->wait_data,wait); | |
1223 | ||
1224 | if (pvr2_ioread_avail(fh->rhp) >= 0) { | |
1225 | mask |= POLLIN | POLLRDNORM; | |
1226 | } | |
1227 | ||
1228 | return mask; | |
1229 | } | |
1230 | ||
1231 | ||
bec43661 | 1232 | static const struct v4l2_file_operations vdev_fops = { |
d855497e MI |
1233 | .owner = THIS_MODULE, |
1234 | .open = pvr2_v4l2_open, | |
1235 | .release = pvr2_v4l2_release, | |
1236 | .read = pvr2_v4l2_read, | |
1237 | .ioctl = pvr2_v4l2_ioctl, | |
d855497e MI |
1238 | .poll = pvr2_v4l2_poll, |
1239 | }; | |
1240 | ||
1241 | ||
d855497e | 1242 | static struct video_device vdev_template = { |
d855497e MI |
1243 | .fops = &vdev_fops, |
1244 | }; | |
1245 | ||
1246 | ||
1247 | static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip, | |
1248 | struct pvr2_v4l2 *vp, | |
16eb40d3 | 1249 | int v4l_type) |
d855497e | 1250 | { |
4a89baa2 | 1251 | struct usb_device *usbdev; |
d855497e MI |
1252 | int mindevnum; |
1253 | int unit_number; | |
89952d13 | 1254 | int *nr_ptr = NULL; |
d855497e | 1255 | dip->v4lp = vp; |
d855497e | 1256 | |
4a89baa2 | 1257 | usbdev = pvr2_hdw_get_dev(vp->channel.mc_head->hdw); |
16eb40d3 MI |
1258 | dip->v4l_type = v4l_type; |
1259 | switch (v4l_type) { | |
1260 | case VFL_TYPE_GRABBER: | |
d855497e | 1261 | dip->stream = &vp->channel.mc_head->video_stream; |
16eb40d3 MI |
1262 | dip->config = pvr2_config_mpeg; |
1263 | dip->minor_type = pvr2_v4l_type_video; | |
1264 | nr_ptr = video_nr; | |
c74e0062 | 1265 | if (!dip->stream) { |
be9ed511 MCC |
1266 | pr_err(KBUILD_MODNAME |
1267 | ": Failed to set up pvrusb2 v4l video dev" | |
1268 | " due to missing stream instance\n"); | |
c74e0062 MI |
1269 | return; |
1270 | } | |
d855497e | 1271 | break; |
16eb40d3 MI |
1272 | case VFL_TYPE_VBI: |
1273 | dip->config = pvr2_config_vbi; | |
1274 | dip->minor_type = pvr2_v4l_type_vbi; | |
1275 | nr_ptr = vbi_nr; | |
d855497e | 1276 | break; |
16eb40d3 | 1277 | case VFL_TYPE_RADIO: |
af78a48b MI |
1278 | dip->stream = &vp->channel.mc_head->video_stream; |
1279 | dip->config = pvr2_config_mpeg; | |
16eb40d3 MI |
1280 | dip->minor_type = pvr2_v4l_type_radio; |
1281 | nr_ptr = radio_nr; | |
d855497e MI |
1282 | break; |
1283 | default: | |
1284 | /* Bail out (this should be impossible) */ | |
be9ed511 MCC |
1285 | pr_err(KBUILD_MODNAME ": Failed to set up pvrusb2 v4l dev" |
1286 | " due to unrecognized config\n"); | |
d855497e MI |
1287 | return; |
1288 | } | |
1289 | ||
75910053 MI |
1290 | memcpy(&dip->devbase,&vdev_template,sizeof(vdev_template)); |
1291 | dip->devbase.release = pvr2_video_device_release; | |
d855497e MI |
1292 | |
1293 | mindevnum = -1; | |
1294 | unit_number = pvr2_hdw_get_unit_number(vp->channel.mc_head->hdw); | |
16eb40d3 MI |
1295 | if (nr_ptr && (unit_number >= 0) && (unit_number < PVR_NUM)) { |
1296 | mindevnum = nr_ptr[unit_number]; | |
d855497e | 1297 | } |
4a89baa2 | 1298 | dip->devbase.parent = &usbdev->dev; |
16eb40d3 MI |
1299 | if ((video_register_device(&dip->devbase, |
1300 | dip->v4l_type, mindevnum) < 0) && | |
1301 | (video_register_device(&dip->devbase, | |
1302 | dip->v4l_type, -1) < 0)) { | |
be9ed511 MCC |
1303 | pr_err(KBUILD_MODNAME |
1304 | ": Failed to register pvrusb2 v4l device\n"); | |
ae2b9e25 | 1305 | } |
16eb40d3 | 1306 | |
38c7c036 LP |
1307 | printk(KERN_INFO "pvrusb2: registered device %s [%s]\n", |
1308 | video_device_node_name(&dip->devbase), | |
16eb40d3 | 1309 | pvr2_config_get_name(dip->config)); |
d855497e | 1310 | |
d855497e | 1311 | pvr2_hdw_v4l_store_minor_number(vp->channel.mc_head->hdw, |
16eb40d3 | 1312 | dip->minor_type,dip->devbase.minor); |
d855497e MI |
1313 | } |
1314 | ||
1315 | ||
1316 | struct pvr2_v4l2 *pvr2_v4l2_create(struct pvr2_context *mnp) | |
1317 | { | |
1318 | struct pvr2_v4l2 *vp; | |
1319 | ||
4b85dee6 | 1320 | vp = kzalloc(sizeof(*vp),GFP_KERNEL); |
d855497e | 1321 | if (!vp) return vp; |
d855497e MI |
1322 | pvr2_channel_init(&vp->channel,mnp); |
1323 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr2_v4l2 id=%p",vp); | |
1324 | ||
1325 | vp->channel.check_func = pvr2_v4l2_internal_check; | |
1326 | ||
1327 | /* register streams */ | |
beb0ecd7 MI |
1328 | vp->dev_video = kzalloc(sizeof(*vp->dev_video),GFP_KERNEL); |
1329 | if (!vp->dev_video) goto fail; | |
16eb40d3 | 1330 | pvr2_v4l2_dev_init(vp->dev_video,vp,VFL_TYPE_GRABBER); |
e57b1c80 MI |
1331 | if (pvr2_hdw_get_input_available(vp->channel.mc_head->hdw) & |
1332 | (1 << PVR2_CVAL_INPUT_RADIO)) { | |
beb0ecd7 MI |
1333 | vp->dev_radio = kzalloc(sizeof(*vp->dev_radio),GFP_KERNEL); |
1334 | if (!vp->dev_radio) goto fail; | |
1335 | pvr2_v4l2_dev_init(vp->dev_radio,vp,VFL_TYPE_RADIO); | |
1336 | } | |
d855497e MI |
1337 | |
1338 | return vp; | |
beb0ecd7 MI |
1339 | fail: |
1340 | pvr2_trace(PVR2_TRACE_STRUCT,"Failure creating pvr2_v4l2 id=%p",vp); | |
1341 | pvr2_v4l2_destroy_no_lock(vp); | |
a6a3a17b | 1342 | return NULL; |
d855497e MI |
1343 | } |
1344 | ||
1345 | /* | |
1346 | Stuff for Emacs to see, in order to encourage consistent editing style: | |
1347 | *** Local Variables: *** | |
1348 | *** mode: c *** | |
1349 | *** fill-column: 75 *** | |
1350 | *** tab-width: 8 *** | |
1351 | *** c-basic-offset: 8 *** | |
1352 | *** End: *** | |
1353 | */ |