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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> | |
5a0e3ad6 | 23 | #include <linux/slab.h> |
ce4260c3 | 24 | #include <linux/version.h> |
d855497e MI |
25 | #include "pvrusb2-context.h" |
26 | #include "pvrusb2-hdw.h" | |
27 | #include "pvrusb2.h" | |
28 | #include "pvrusb2-debug.h" | |
29 | #include "pvrusb2-v4l2.h" | |
30 | #include "pvrusb2-ioread.h" | |
31 | #include <linux/videodev2.h> | |
43e06022 | 32 | #include <media/v4l2-dev.h> |
d855497e | 33 | #include <media/v4l2-common.h> |
35ea11ff | 34 | #include <media/v4l2-ioctl.h> |
d855497e MI |
35 | |
36 | struct pvr2_v4l2_dev; | |
37 | struct pvr2_v4l2_fh; | |
38 | struct pvr2_v4l2; | |
39 | ||
d855497e | 40 | struct pvr2_v4l2_dev { |
75910053 | 41 | struct video_device devbase; /* MUST be first! */ |
d855497e | 42 | struct pvr2_v4l2 *v4lp; |
d855497e | 43 | struct pvr2_context_stream *stream; |
16eb40d3 MI |
44 | /* Information about this device: */ |
45 | enum pvr2_config config; /* Expected stream format */ | |
46 | int v4l_type; /* V4L defined type for this device node */ | |
47 | enum pvr2_v4l_type minor_type; /* pvr2-understood minor device type */ | |
d855497e MI |
48 | }; |
49 | ||
50 | struct pvr2_v4l2_fh { | |
51 | struct pvr2_channel channel; | |
52 | struct pvr2_v4l2_dev *dev_info; | |
53 | enum v4l2_priority prio; | |
54 | struct pvr2_ioread *rhp; | |
55 | struct file *file; | |
56 | struct pvr2_v4l2 *vhead; | |
57 | struct pvr2_v4l2_fh *vnext; | |
58 | struct pvr2_v4l2_fh *vprev; | |
59 | wait_queue_head_t wait_data; | |
60 | int fw_mode_flag; | |
e57b1c80 MI |
61 | /* Map contiguous ordinal value to input id */ |
62 | unsigned char *input_map; | |
63 | unsigned int input_cnt; | |
d855497e MI |
64 | }; |
65 | ||
66 | struct pvr2_v4l2 { | |
67 | struct pvr2_channel channel; | |
68 | struct pvr2_v4l2_fh *vfirst; | |
69 | struct pvr2_v4l2_fh *vlast; | |
70 | ||
71 | struct v4l2_prio_state prio; | |
72 | ||
0f0f257b MI |
73 | /* streams - Note that these must be separately, individually, |
74 | * allocated pointers. This is because the v4l core is going to | |
75 | * manage their deletion - separately, individually... */ | |
76 | struct pvr2_v4l2_dev *dev_video; | |
77 | struct pvr2_v4l2_dev *dev_radio; | |
d855497e MI |
78 | }; |
79 | ||
80 | static int video_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
81 | module_param_array(video_nr, int, NULL, 0444); | |
5e6862ce MI |
82 | MODULE_PARM_DESC(video_nr, "Offset for device's video dev minor"); |
83 | static int radio_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
84 | module_param_array(radio_nr, int, NULL, 0444); | |
85 | MODULE_PARM_DESC(radio_nr, "Offset for device's radio dev minor"); | |
86 | static int vbi_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
87 | module_param_array(vbi_nr, int, NULL, 0444); | |
88 | MODULE_PARM_DESC(vbi_nr, "Offset for device's vbi dev minor"); | |
d855497e | 89 | |
07e337ee | 90 | static struct v4l2_capability pvr_capability ={ |
d855497e MI |
91 | .driver = "pvrusb2", |
92 | .card = "Hauppauge WinTV pvr-usb2", | |
93 | .bus_info = "usb", | |
48c5b0df | 94 | .version = KERNEL_VERSION(0, 9, 0), |
d166b02e | 95 | .capabilities = (V4L2_CAP_VIDEO_CAPTURE | |
ae2b9e25 | 96 | V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_RADIO | |
d855497e MI |
97 | V4L2_CAP_READWRITE), |
98 | .reserved = {0,0,0,0} | |
99 | }; | |
100 | ||
07e337ee | 101 | static struct v4l2_fmtdesc pvr_fmtdesc [] = { |
d855497e MI |
102 | { |
103 | .index = 0, | |
104 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
105 | .flags = V4L2_FMT_FLAG_COMPRESSED, | |
106 | .description = "MPEG1/2", | |
107 | // This should really be V4L2_PIX_FMT_MPEG, but xawtv | |
108 | // breaks when I do that. | |
109 | .pixelformat = 0, // V4L2_PIX_FMT_MPEG, | |
110 | .reserved = { 0, 0, 0, 0 } | |
111 | } | |
112 | }; | |
113 | ||
114 | #define PVR_FORMAT_PIX 0 | |
115 | #define PVR_FORMAT_VBI 1 | |
116 | ||
07e337ee | 117 | static struct v4l2_format pvr_format [] = { |
d855497e MI |
118 | [PVR_FORMAT_PIX] = { |
119 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
120 | .fmt = { | |
121 | .pix = { | |
122 | .width = 720, | |
123 | .height = 576, | |
124 | // This should really be V4L2_PIX_FMT_MPEG, | |
125 | // but xawtv breaks when I do that. | |
126 | .pixelformat = 0, // V4L2_PIX_FMT_MPEG, | |
127 | .field = V4L2_FIELD_INTERLACED, | |
128 | .bytesperline = 0, // doesn't make sense | |
129 | // here | |
130 | //FIXME : Don't know what to put here... | |
131 | .sizeimage = (32*1024), | |
132 | .colorspace = 0, // doesn't make sense here | |
133 | .priv = 0 | |
134 | } | |
135 | } | |
136 | }, | |
137 | [PVR_FORMAT_VBI] = { | |
138 | .type = V4L2_BUF_TYPE_VBI_CAPTURE, | |
139 | .fmt = { | |
140 | .vbi = { | |
141 | .sampling_rate = 27000000, | |
142 | .offset = 248, | |
143 | .samples_per_line = 1443, | |
144 | .sample_format = V4L2_PIX_FMT_GREY, | |
145 | .start = { 0, 0 }, | |
146 | .count = { 0, 0 }, | |
147 | .flags = 0, | |
148 | .reserved = { 0, 0 } | |
149 | } | |
150 | } | |
151 | } | |
152 | }; | |
153 | ||
16eb40d3 | 154 | |
d855497e MI |
155 | /* |
156 | * pvr_ioctl() | |
157 | * | |
158 | * This is part of Video 4 Linux API. The procedure handles ioctl() calls. | |
159 | * | |
160 | */ | |
069b7479 | 161 | static long pvr2_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) |
d855497e MI |
162 | { |
163 | struct pvr2_v4l2_fh *fh = file->private_data; | |
164 | struct pvr2_v4l2 *vp = fh->vhead; | |
165 | struct pvr2_v4l2_dev *dev_info = fh->dev_info; | |
166 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
069b7479 | 167 | long ret = -EINVAL; |
d855497e MI |
168 | |
169 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { | |
170 | v4l_print_ioctl(pvr2_hdw_get_driver_name(hdw),cmd); | |
171 | } | |
172 | ||
173 | if (!pvr2_hdw_dev_ok(hdw)) { | |
174 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
175 | "ioctl failed - bad or no context"); | |
176 | return -EFAULT; | |
177 | } | |
178 | ||
179 | /* check priority */ | |
180 | switch (cmd) { | |
181 | case VIDIOC_S_CTRL: | |
182 | case VIDIOC_S_STD: | |
183 | case VIDIOC_S_INPUT: | |
184 | case VIDIOC_S_TUNER: | |
185 | case VIDIOC_S_FREQUENCY: | |
186 | ret = v4l2_prio_check(&vp->prio, &fh->prio); | |
187 | if (ret) | |
188 | return ret; | |
189 | } | |
190 | ||
191 | switch (cmd) { | |
192 | case VIDIOC_QUERYCAP: | |
193 | { | |
194 | struct v4l2_capability *cap = arg; | |
195 | ||
196 | memcpy(cap, &pvr_capability, sizeof(struct v4l2_capability)); | |
31a18547 MI |
197 | strlcpy(cap->bus_info,pvr2_hdw_get_bus_info(hdw), |
198 | sizeof(cap->bus_info)); | |
78a47101 | 199 | strlcpy(cap->card,pvr2_hdw_get_desc(hdw),sizeof(cap->card)); |
d855497e MI |
200 | |
201 | ret = 0; | |
202 | break; | |
203 | } | |
204 | ||
205 | case VIDIOC_G_PRIORITY: | |
206 | { | |
207 | enum v4l2_priority *p = arg; | |
208 | ||
209 | *p = v4l2_prio_max(&vp->prio); | |
210 | ret = 0; | |
211 | break; | |
212 | } | |
213 | ||
214 | case VIDIOC_S_PRIORITY: | |
215 | { | |
216 | enum v4l2_priority *prio = arg; | |
217 | ||
218 | ret = v4l2_prio_change(&vp->prio, &fh->prio, *prio); | |
219 | break; | |
220 | } | |
221 | ||
222 | case VIDIOC_ENUMSTD: | |
223 | { | |
224 | struct v4l2_standard *vs = (struct v4l2_standard *)arg; | |
225 | int idx = vs->index; | |
226 | ret = pvr2_hdw_get_stdenum_value(hdw,vs,idx+1); | |
227 | break; | |
228 | } | |
229 | ||
230 | case VIDIOC_G_STD: | |
231 | { | |
232 | int val = 0; | |
233 | ret = pvr2_ctrl_get_value( | |
234 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDCUR),&val); | |
235 | *(v4l2_std_id *)arg = val; | |
236 | break; | |
237 | } | |
238 | ||
239 | case VIDIOC_S_STD: | |
240 | { | |
241 | ret = pvr2_ctrl_set_value( | |
242 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDCUR), | |
243 | *(v4l2_std_id *)arg); | |
244 | break; | |
245 | } | |
246 | ||
247 | case VIDIOC_ENUMINPUT: | |
248 | { | |
249 | struct pvr2_ctrl *cptr; | |
250 | struct v4l2_input *vi = (struct v4l2_input *)arg; | |
251 | struct v4l2_input tmp; | |
252 | unsigned int cnt; | |
beb0ecd7 | 253 | int val; |
d855497e MI |
254 | |
255 | cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT); | |
256 | ||
257 | memset(&tmp,0,sizeof(tmp)); | |
258 | tmp.index = vi->index; | |
259 | ret = 0; | |
223ffe5f | 260 | if (vi->index >= fh->input_cnt) { |
beb0ecd7 MI |
261 | ret = -EINVAL; |
262 | break; | |
263 | } | |
e57b1c80 | 264 | val = fh->input_map[vi->index]; |
beb0ecd7 | 265 | switch (val) { |
d855497e | 266 | case PVR2_CVAL_INPUT_TV: |
895c3e8b | 267 | case PVR2_CVAL_INPUT_DTV: |
d855497e MI |
268 | case PVR2_CVAL_INPUT_RADIO: |
269 | tmp.type = V4L2_INPUT_TYPE_TUNER; | |
270 | break; | |
271 | case PVR2_CVAL_INPUT_SVIDEO: | |
272 | case PVR2_CVAL_INPUT_COMPOSITE: | |
273 | tmp.type = V4L2_INPUT_TYPE_CAMERA; | |
274 | break; | |
275 | default: | |
276 | ret = -EINVAL; | |
277 | break; | |
278 | } | |
279 | if (ret < 0) break; | |
280 | ||
281 | cnt = 0; | |
beb0ecd7 | 282 | pvr2_ctrl_get_valname(cptr,val, |
d855497e MI |
283 | tmp.name,sizeof(tmp.name)-1,&cnt); |
284 | tmp.name[cnt] = 0; | |
285 | ||
286 | /* Don't bother with audioset, since this driver currently | |
287 | always switches the audio whenever the video is | |
288 | switched. */ | |
289 | ||
290 | /* Handling std is a tougher problem. It doesn't make | |
291 | sense in cases where a device might be multi-standard. | |
292 | We could just copy out the current value for the | |
293 | standard, but it can change over time. For now just | |
294 | leave it zero. */ | |
295 | ||
296 | memcpy(vi, &tmp, sizeof(tmp)); | |
297 | ||
298 | ret = 0; | |
299 | break; | |
300 | } | |
301 | ||
302 | case VIDIOC_G_INPUT: | |
303 | { | |
beb0ecd7 | 304 | unsigned int idx; |
d855497e MI |
305 | struct pvr2_ctrl *cptr; |
306 | struct v4l2_input *vi = (struct v4l2_input *)arg; | |
307 | int val; | |
308 | cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT); | |
309 | val = 0; | |
310 | ret = pvr2_ctrl_get_value(cptr,&val); | |
beb0ecd7 | 311 | vi->index = 0; |
e57b1c80 MI |
312 | for (idx = 0; idx < fh->input_cnt; idx++) { |
313 | if (fh->input_map[idx] == val) { | |
beb0ecd7 MI |
314 | vi->index = idx; |
315 | break; | |
316 | } | |
317 | } | |
d855497e MI |
318 | break; |
319 | } | |
320 | ||
321 | case VIDIOC_S_INPUT: | |
322 | { | |
323 | struct v4l2_input *vi = (struct v4l2_input *)arg; | |
223ffe5f | 324 | if (vi->index >= fh->input_cnt) { |
beb0ecd7 MI |
325 | ret = -ERANGE; |
326 | break; | |
327 | } | |
d855497e MI |
328 | ret = pvr2_ctrl_set_value( |
329 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT), | |
e57b1c80 | 330 | fh->input_map[vi->index]); |
d855497e MI |
331 | break; |
332 | } | |
333 | ||
334 | case VIDIOC_ENUMAUDIO: | |
335 | { | |
848ed3ca PK |
336 | /* pkt: FIXME: We are returning one "fake" input here |
337 | which could very well be called "whatever_we_like". | |
338 | This is for apps that want to see an audio input | |
339 | just to feel comfortable, as well as to test if | |
340 | it can do stereo or sth. There is actually no guarantee | |
341 | that the actual audio input cannot change behind the app's | |
342 | back, but most applications should not mind that either. | |
343 | ||
344 | Hopefully, mplayer people will work with us on this (this | |
345 | whole mess is to support mplayer pvr://), or Hans will come | |
346 | up with a more standard way to say "we have inputs but we | |
347 | don 't want you to change them independent of video" which | |
348 | will sort this mess. | |
349 | */ | |
350 | struct v4l2_audio *vin = arg; | |
d855497e | 351 | ret = -EINVAL; |
848ed3ca PK |
352 | if (vin->index > 0) break; |
353 | strncpy(vin->name, "PVRUSB2 Audio",14); | |
354 | vin->capability = V4L2_AUDCAP_STEREO; | |
355 | ret = 0; | |
356 | break; | |
d855497e MI |
357 | break; |
358 | } | |
359 | ||
360 | case VIDIOC_G_AUDIO: | |
361 | { | |
848ed3ca PK |
362 | /* pkt: FIXME: see above comment (VIDIOC_ENUMAUDIO) */ |
363 | struct v4l2_audio *vin = arg; | |
364 | memset(vin,0,sizeof(*vin)); | |
365 | vin->index = 0; | |
366 | strncpy(vin->name, "PVRUSB2 Audio",14); | |
367 | vin->capability = V4L2_AUDCAP_STEREO; | |
368 | ret = 0; | |
d855497e MI |
369 | break; |
370 | } | |
371 | ||
372 | case VIDIOC_S_AUDIO: | |
373 | { | |
374 | ret = -EINVAL; | |
375 | break; | |
376 | } | |
377 | case VIDIOC_G_TUNER: | |
378 | { | |
379 | struct v4l2_tuner *vt = (struct v4l2_tuner *)arg; | |
5cc1dd8c | 380 | |
8d364363 | 381 | if (vt->index != 0) break; /* Only answer for the 1st tuner */ |
5cc1dd8c | 382 | |
18103c57 MI |
383 | pvr2_hdw_execute_tuner_poll(hdw); |
384 | ret = pvr2_hdw_get_tuner_status(hdw,vt); | |
d855497e MI |
385 | break; |
386 | } | |
387 | ||
388 | case VIDIOC_S_TUNER: | |
389 | { | |
390 | struct v4l2_tuner *vt=(struct v4l2_tuner *)arg; | |
391 | ||
392 | if (vt->index != 0) | |
393 | break; | |
394 | ||
395 | ret = pvr2_ctrl_set_value( | |
396 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_AUDIOMODE), | |
397 | vt->audmode); | |
11fc76c9 | 398 | break; |
d855497e MI |
399 | } |
400 | ||
401 | case VIDIOC_S_FREQUENCY: | |
402 | { | |
403 | const struct v4l2_frequency *vf = (struct v4l2_frequency *)arg; | |
c0e69315 | 404 | unsigned long fv; |
18103c57 MI |
405 | struct v4l2_tuner vt; |
406 | int cur_input; | |
407 | struct pvr2_ctrl *ctrlp; | |
408 | ret = pvr2_hdw_get_tuner_status(hdw,&vt); | |
409 | if (ret != 0) break; | |
410 | ctrlp = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT); | |
411 | ret = pvr2_ctrl_get_value(ctrlp,&cur_input); | |
412 | if (ret != 0) break; | |
c0e69315 | 413 | if (vf->type == V4L2_TUNER_RADIO) { |
18103c57 MI |
414 | if (cur_input != PVR2_CVAL_INPUT_RADIO) { |
415 | pvr2_ctrl_set_value(ctrlp, | |
416 | PVR2_CVAL_INPUT_RADIO); | |
417 | } | |
418 | } else { | |
419 | if (cur_input == PVR2_CVAL_INPUT_RADIO) { | |
420 | pvr2_ctrl_set_value(ctrlp, | |
421 | PVR2_CVAL_INPUT_TV); | |
422 | } | |
423 | } | |
424 | fv = vf->frequency; | |
425 | if (vt.capability & V4L2_TUNER_CAP_LOW) { | |
c0e69315 MI |
426 | fv = (fv * 125) / 2; |
427 | } else { | |
428 | fv = fv * 62500; | |
429 | } | |
d855497e | 430 | ret = pvr2_ctrl_set_value( |
c0e69315 | 431 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY),fv); |
d855497e MI |
432 | break; |
433 | } | |
434 | ||
435 | case VIDIOC_G_FREQUENCY: | |
436 | { | |
437 | struct v4l2_frequency *vf = (struct v4l2_frequency *)arg; | |
438 | int val = 0; | |
18103c57 MI |
439 | int cur_input; |
440 | struct v4l2_tuner vt; | |
441 | ret = pvr2_hdw_get_tuner_status(hdw,&vt); | |
442 | if (ret != 0) break; | |
d855497e MI |
443 | ret = pvr2_ctrl_get_value( |
444 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY), | |
445 | &val); | |
c0e69315 MI |
446 | if (ret != 0) break; |
447 | pvr2_ctrl_get_value( | |
448 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT), | |
449 | &cur_input); | |
450 | if (cur_input == PVR2_CVAL_INPUT_RADIO) { | |
c0e69315 MI |
451 | vf->type = V4L2_TUNER_RADIO; |
452 | } else { | |
c0e69315 MI |
453 | vf->type = V4L2_TUNER_ANALOG_TV; |
454 | } | |
18103c57 MI |
455 | if (vt.capability & V4L2_TUNER_CAP_LOW) { |
456 | val = (val * 2) / 125; | |
457 | } else { | |
458 | val /= 62500; | |
459 | } | |
460 | vf->frequency = val; | |
d855497e MI |
461 | break; |
462 | } | |
463 | ||
464 | case VIDIOC_ENUM_FMT: | |
465 | { | |
466 | struct v4l2_fmtdesc *fd = (struct v4l2_fmtdesc *)arg; | |
467 | ||
468 | /* Only one format is supported : mpeg.*/ | |
469 | if (fd->index != 0) | |
470 | break; | |
471 | ||
472 | memcpy(fd, pvr_fmtdesc, sizeof(struct v4l2_fmtdesc)); | |
473 | ret = 0; | |
474 | break; | |
475 | } | |
476 | ||
477 | case VIDIOC_G_FMT: | |
478 | { | |
479 | struct v4l2_format *vf = (struct v4l2_format *)arg; | |
480 | int val; | |
481 | switch(vf->type) { | |
482 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
483 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], | |
484 | sizeof(struct v4l2_format)); | |
485 | val = 0; | |
486 | pvr2_ctrl_get_value( | |
487 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_HRES), | |
488 | &val); | |
489 | vf->fmt.pix.width = val; | |
490 | val = 0; | |
d855497e MI |
491 | pvr2_ctrl_get_value( |
492 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_VRES), | |
493 | &val); | |
494 | vf->fmt.pix.height = val; | |
495 | ret = 0; | |
496 | break; | |
497 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
498 | // ????? Still need to figure out to do VBI correctly | |
499 | ret = -EINVAL; | |
500 | break; | |
501 | default: | |
502 | ret = -EINVAL; | |
503 | break; | |
504 | } | |
505 | break; | |
506 | } | |
507 | ||
508 | case VIDIOC_TRY_FMT: | |
509 | case VIDIOC_S_FMT: | |
510 | { | |
511 | struct v4l2_format *vf = (struct v4l2_format *)arg; | |
512 | ||
513 | ret = 0; | |
514 | switch(vf->type) { | |
515 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { | |
fd694964 | 516 | int lmin,lmax,ldef; |
e95a1915 | 517 | struct pvr2_ctrl *hcp,*vcp; |
d855497e MI |
518 | int h = vf->fmt.pix.height; |
519 | int w = vf->fmt.pix.width; | |
e95a1915 MI |
520 | hcp = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_HRES); |
521 | vcp = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_VRES); | |
522 | ||
523 | lmin = pvr2_ctrl_get_min(hcp); | |
524 | lmax = pvr2_ctrl_get_max(hcp); | |
26dd1c57 | 525 | pvr2_ctrl_get_def(hcp, &ldef); |
fd694964 PK |
526 | if (w == -1) { |
527 | w = ldef; | |
528 | } else if (w < lmin) { | |
e95a1915 MI |
529 | w = lmin; |
530 | } else if (w > lmax) { | |
531 | w = lmax; | |
d855497e | 532 | } |
b31e341b HV |
533 | lmin = pvr2_ctrl_get_min(vcp); |
534 | lmax = pvr2_ctrl_get_max(vcp); | |
26dd1c57 | 535 | pvr2_ctrl_get_def(vcp, &ldef); |
fd694964 PK |
536 | if (h == -1) { |
537 | h = ldef; | |
538 | } else if (h < lmin) { | |
b31e341b HV |
539 | h = lmin; |
540 | } else if (h > lmax) { | |
541 | h = lmax; | |
542 | } | |
d855497e MI |
543 | |
544 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], | |
545 | sizeof(struct v4l2_format)); | |
039c430f MI |
546 | vf->fmt.pix.width = w; |
547 | vf->fmt.pix.height = h; | |
d855497e MI |
548 | |
549 | if (cmd == VIDIOC_S_FMT) { | |
e95a1915 MI |
550 | pvr2_ctrl_set_value(hcp,vf->fmt.pix.width); |
551 | pvr2_ctrl_set_value(vcp,vf->fmt.pix.height); | |
d855497e MI |
552 | } |
553 | } break; | |
554 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
555 | // ????? Still need to figure out to do VBI correctly | |
556 | ret = -EINVAL; | |
557 | break; | |
558 | default: | |
559 | ret = -EINVAL; | |
560 | break; | |
561 | } | |
562 | break; | |
563 | } | |
564 | ||
565 | case VIDIOC_STREAMON: | |
566 | { | |
16eb40d3 MI |
567 | if (!fh->dev_info->stream) { |
568 | /* No stream defined for this node. This means | |
569 | that we're not currently allowed to stream from | |
570 | this node. */ | |
571 | ret = -EPERM; | |
572 | break; | |
573 | } | |
d855497e MI |
574 | ret = pvr2_hdw_set_stream_type(hdw,dev_info->config); |
575 | if (ret < 0) return ret; | |
576 | ret = pvr2_hdw_set_streaming(hdw,!0); | |
577 | break; | |
578 | } | |
579 | ||
580 | case VIDIOC_STREAMOFF: | |
581 | { | |
16eb40d3 MI |
582 | if (!fh->dev_info->stream) { |
583 | /* No stream defined for this node. This means | |
584 | that we're not currently allowed to stream from | |
585 | this node. */ | |
586 | ret = -EPERM; | |
587 | break; | |
588 | } | |
d855497e MI |
589 | ret = pvr2_hdw_set_streaming(hdw,0); |
590 | break; | |
591 | } | |
592 | ||
593 | case VIDIOC_QUERYCTRL: | |
594 | { | |
595 | struct pvr2_ctrl *cptr; | |
26dd1c57 | 596 | int val; |
d855497e MI |
597 | struct v4l2_queryctrl *vc = (struct v4l2_queryctrl *)arg; |
598 | ret = 0; | |
1d9f8461 MI |
599 | if (vc->id & V4L2_CTRL_FLAG_NEXT_CTRL) { |
600 | cptr = pvr2_hdw_get_ctrl_nextv4l( | |
601 | hdw,(vc->id & ~V4L2_CTRL_FLAG_NEXT_CTRL)); | |
602 | if (cptr) vc->id = pvr2_ctrl_get_v4lid(cptr); | |
603 | } else { | |
604 | cptr = pvr2_hdw_get_ctrl_v4l(hdw,vc->id); | |
605 | } | |
d855497e | 606 | if (!cptr) { |
0885ba1d | 607 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
a761f431 MI |
608 | "QUERYCTRL id=0x%x not implemented here", |
609 | vc->id); | |
d855497e MI |
610 | ret = -EINVAL; |
611 | break; | |
612 | } | |
613 | ||
a761f431 MI |
614 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
615 | "QUERYCTRL id=0x%x mapping name=%s (%s)", | |
616 | vc->id,pvr2_ctrl_get_name(cptr), | |
617 | pvr2_ctrl_get_desc(cptr)); | |
618 | strlcpy(vc->name,pvr2_ctrl_get_desc(cptr),sizeof(vc->name)); | |
619 | vc->flags = pvr2_ctrl_get_v4lflags(cptr); | |
26dd1c57 MI |
620 | pvr2_ctrl_get_def(cptr, &val); |
621 | vc->default_value = val; | |
d855497e MI |
622 | switch (pvr2_ctrl_get_type(cptr)) { |
623 | case pvr2_ctl_enum: | |
624 | vc->type = V4L2_CTRL_TYPE_MENU; | |
625 | vc->minimum = 0; | |
626 | vc->maximum = pvr2_ctrl_get_cnt(cptr) - 1; | |
627 | vc->step = 1; | |
628 | break; | |
33213963 | 629 | case pvr2_ctl_bool: |
1d9f8461 | 630 | vc->type = V4L2_CTRL_TYPE_BOOLEAN; |
33213963 MI |
631 | vc->minimum = 0; |
632 | vc->maximum = 1; | |
633 | vc->step = 1; | |
634 | break; | |
d855497e MI |
635 | case pvr2_ctl_int: |
636 | vc->type = V4L2_CTRL_TYPE_INTEGER; | |
637 | vc->minimum = pvr2_ctrl_get_min(cptr); | |
638 | vc->maximum = pvr2_ctrl_get_max(cptr); | |
639 | vc->step = 1; | |
640 | break; | |
641 | default: | |
0885ba1d | 642 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
a761f431 MI |
643 | "QUERYCTRL id=0x%x name=%s not mappable", |
644 | vc->id,pvr2_ctrl_get_name(cptr)); | |
d855497e MI |
645 | ret = -EINVAL; |
646 | break; | |
647 | } | |
648 | break; | |
649 | } | |
650 | ||
651 | case VIDIOC_QUERYMENU: | |
652 | { | |
653 | struct v4l2_querymenu *vm = (struct v4l2_querymenu *)arg; | |
654 | unsigned int cnt = 0; | |
655 | ret = pvr2_ctrl_get_valname(pvr2_hdw_get_ctrl_v4l(hdw,vm->id), | |
656 | vm->index, | |
657 | vm->name,sizeof(vm->name)-1, | |
658 | &cnt); | |
659 | vm->name[cnt] = 0; | |
660 | break; | |
661 | } | |
662 | ||
663 | case VIDIOC_G_CTRL: | |
664 | { | |
665 | struct v4l2_control *vc = (struct v4l2_control *)arg; | |
666 | int val = 0; | |
667 | ret = pvr2_ctrl_get_value(pvr2_hdw_get_ctrl_v4l(hdw,vc->id), | |
668 | &val); | |
669 | vc->value = val; | |
670 | break; | |
671 | } | |
672 | ||
673 | case VIDIOC_S_CTRL: | |
674 | { | |
675 | struct v4l2_control *vc = (struct v4l2_control *)arg; | |
676 | ret = pvr2_ctrl_set_value(pvr2_hdw_get_ctrl_v4l(hdw,vc->id), | |
677 | vc->value); | |
678 | break; | |
679 | } | |
680 | ||
1d9f8461 MI |
681 | case VIDIOC_G_EXT_CTRLS: |
682 | { | |
683 | struct v4l2_ext_controls *ctls = | |
684 | (struct v4l2_ext_controls *)arg; | |
685 | struct v4l2_ext_control *ctrl; | |
686 | unsigned int idx; | |
687 | int val; | |
c1c2680d | 688 | ret = 0; |
1d9f8461 MI |
689 | for (idx = 0; idx < ctls->count; idx++) { |
690 | ctrl = ctls->controls + idx; | |
691 | ret = pvr2_ctrl_get_value( | |
692 | pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id),&val); | |
693 | if (ret) { | |
694 | ctls->error_idx = idx; | |
695 | break; | |
696 | } | |
697 | /* Ensure that if read as a 64 bit value, the user | |
698 | will still get a hopefully sane value */ | |
699 | ctrl->value64 = 0; | |
700 | ctrl->value = val; | |
701 | } | |
702 | break; | |
703 | } | |
704 | ||
705 | case VIDIOC_S_EXT_CTRLS: | |
706 | { | |
707 | struct v4l2_ext_controls *ctls = | |
708 | (struct v4l2_ext_controls *)arg; | |
709 | struct v4l2_ext_control *ctrl; | |
710 | unsigned int idx; | |
c1c2680d | 711 | ret = 0; |
1d9f8461 MI |
712 | for (idx = 0; idx < ctls->count; idx++) { |
713 | ctrl = ctls->controls + idx; | |
714 | ret = pvr2_ctrl_set_value( | |
715 | pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id), | |
716 | ctrl->value); | |
717 | if (ret) { | |
718 | ctls->error_idx = idx; | |
719 | break; | |
720 | } | |
721 | } | |
722 | break; | |
723 | } | |
724 | ||
725 | case VIDIOC_TRY_EXT_CTRLS: | |
726 | { | |
727 | struct v4l2_ext_controls *ctls = | |
728 | (struct v4l2_ext_controls *)arg; | |
729 | struct v4l2_ext_control *ctrl; | |
730 | struct pvr2_ctrl *pctl; | |
731 | unsigned int idx; | |
732 | /* For the moment just validate that the requested control | |
733 | actually exists. */ | |
c1c2680d | 734 | ret = 0; |
1d9f8461 MI |
735 | for (idx = 0; idx < ctls->count; idx++) { |
736 | ctrl = ctls->controls + idx; | |
737 | pctl = pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id); | |
738 | if (!pctl) { | |
739 | ret = -EINVAL; | |
740 | ctls->error_idx = idx; | |
741 | break; | |
742 | } | |
743 | } | |
744 | break; | |
745 | } | |
746 | ||
432907f7 MI |
747 | case VIDIOC_CROPCAP: |
748 | { | |
749 | struct v4l2_cropcap *cap = (struct v4l2_cropcap *)arg; | |
750 | if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
751 | ret = -EINVAL; | |
752 | break; | |
753 | } | |
754 | ret = pvr2_hdw_get_cropcap(hdw, cap); | |
755 | cap->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; /* paranoia */ | |
756 | break; | |
757 | } | |
758 | case VIDIOC_G_CROP: | |
759 | { | |
760 | struct v4l2_crop *crop = (struct v4l2_crop *)arg; | |
761 | int val = 0; | |
762 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
763 | ret = -EINVAL; | |
764 | break; | |
765 | } | |
766 | ret = pvr2_ctrl_get_value( | |
767 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), &val); | |
768 | if (ret != 0) { | |
769 | ret = -EINVAL; | |
770 | break; | |
771 | } | |
772 | crop->c.left = val; | |
773 | ret = pvr2_ctrl_get_value( | |
774 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), &val); | |
775 | if (ret != 0) { | |
776 | ret = -EINVAL; | |
777 | break; | |
778 | } | |
779 | crop->c.top = val; | |
780 | ret = pvr2_ctrl_get_value( | |
781 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), &val); | |
782 | if (ret != 0) { | |
783 | ret = -EINVAL; | |
784 | break; | |
785 | } | |
786 | crop->c.width = val; | |
787 | ret = pvr2_ctrl_get_value( | |
788 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), &val); | |
789 | if (ret != 0) { | |
790 | ret = -EINVAL; | |
791 | break; | |
792 | } | |
793 | crop->c.height = val; | |
794 | } | |
795 | case VIDIOC_S_CROP: | |
796 | { | |
797 | struct v4l2_crop *crop = (struct v4l2_crop *)arg; | |
798 | struct v4l2_cropcap cap; | |
799 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
800 | ret = -EINVAL; | |
801 | break; | |
802 | } | |
803 | cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
804 | ret = pvr2_ctrl_set_value( | |
805 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), | |
806 | crop->c.left); | |
807 | if (ret != 0) { | |
808 | ret = -EINVAL; | |
809 | break; | |
810 | } | |
811 | ret = pvr2_ctrl_set_value( | |
812 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), | |
813 | crop->c.top); | |
814 | if (ret != 0) { | |
815 | ret = -EINVAL; | |
816 | break; | |
817 | } | |
818 | ret = pvr2_ctrl_set_value( | |
819 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), | |
820 | crop->c.width); | |
821 | if (ret != 0) { | |
822 | ret = -EINVAL; | |
823 | break; | |
824 | } | |
825 | ret = pvr2_ctrl_set_value( | |
826 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), | |
827 | crop->c.height); | |
828 | if (ret != 0) { | |
829 | ret = -EINVAL; | |
830 | break; | |
831 | } | |
832 | } | |
d855497e MI |
833 | case VIDIOC_LOG_STATUS: |
834 | { | |
d855497e | 835 | pvr2_hdw_trigger_module_log(hdw); |
d855497e MI |
836 | ret = 0; |
837 | break; | |
838 | } | |
32ffa9ae | 839 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
52ebc763 | 840 | case VIDIOC_DBG_S_REGISTER: |
52ebc763 | 841 | case VIDIOC_DBG_G_REGISTER: |
32ffa9ae | 842 | { |
f3d092b8 | 843 | u64 val; |
aecde8b5 | 844 | struct v4l2_dbg_register *req = (struct v4l2_dbg_register *)arg; |
52ebc763 | 845 | if (cmd == VIDIOC_DBG_S_REGISTER) val = req->val; |
32ffa9ae | 846 | ret = pvr2_hdw_register_access( |
aecde8b5 HV |
847 | hdw, &req->match, req->reg, |
848 | cmd == VIDIOC_DBG_S_REGISTER, &val); | |
52ebc763 | 849 | if (cmd == VIDIOC_DBG_G_REGISTER) req->val = val; |
32ffa9ae MI |
850 | break; |
851 | } | |
852 | #endif | |
d855497e MI |
853 | |
854 | default : | |
b1f88407 | 855 | ret = v4l_compat_translate_ioctl(file, cmd, |
f473bf76 | 856 | arg, pvr2_v4l2_do_ioctl); |
d855497e MI |
857 | } |
858 | ||
859 | pvr2_hdw_commit_ctl(hdw); | |
860 | ||
861 | if (ret < 0) { | |
862 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { | |
0885ba1d | 863 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
069b7479 | 864 | "pvr2_v4l2_do_ioctl failure, ret=%ld", ret); |
d855497e | 865 | } else { |
0885ba1d MI |
866 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { |
867 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
069b7479 HV |
868 | "pvr2_v4l2_do_ioctl failure, ret=%ld" |
869 | " command was:", ret); | |
d855497e MI |
870 | v4l_print_ioctl(pvr2_hdw_get_driver_name(hdw), |
871 | cmd); | |
872 | } | |
873 | } | |
874 | } else { | |
875 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
069b7479 HV |
876 | "pvr2_v4l2_do_ioctl complete, ret=%ld (0x%lx)", |
877 | ret, ret); | |
d855497e MI |
878 | } |
879 | return ret; | |
880 | } | |
881 | ||
d855497e MI |
882 | static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip) |
883 | { | |
0f0f257b | 884 | struct pvr2_hdw *hdw = dip->v4lp->channel.mc_head->hdw; |
16eb40d3 | 885 | enum pvr2_config cfg = dip->config; |
0f0f257b | 886 | |
16eb40d3 | 887 | pvr2_hdw_v4l_store_minor_number(hdw,dip->minor_type,-1); |
75910053 MI |
888 | |
889 | /* Paranoia */ | |
c2625bff RD |
890 | dip->v4lp = NULL; |
891 | dip->stream = NULL; | |
75910053 MI |
892 | |
893 | /* Actual deallocation happens later when all internal references | |
894 | are gone. */ | |
895 | video_unregister_device(&dip->devbase); | |
0f0f257b | 896 | |
38c7c036 LP |
897 | printk(KERN_INFO "pvrusb2: unregistered device %s [%s]\n", |
898 | video_device_node_name(&dip->devbase), | |
16eb40d3 | 899 | pvr2_config_get_name(cfg)); |
0f0f257b | 900 | |
d855497e MI |
901 | } |
902 | ||
903 | ||
4a89baa2 MI |
904 | static void pvr2_v4l2_dev_disassociate_parent(struct pvr2_v4l2_dev *dip) |
905 | { | |
906 | if (!dip) return; | |
907 | if (!dip->devbase.parent) return; | |
908 | dip->devbase.parent = NULL; | |
909 | device_move(&dip->devbase.dev, NULL, DPM_ORDER_NONE); | |
910 | } | |
911 | ||
912 | ||
d855497e MI |
913 | static void pvr2_v4l2_destroy_no_lock(struct pvr2_v4l2 *vp) |
914 | { | |
0f0f257b MI |
915 | if (vp->dev_video) { |
916 | pvr2_v4l2_dev_destroy(vp->dev_video); | |
89952d13 | 917 | vp->dev_video = NULL; |
0f0f257b MI |
918 | } |
919 | if (vp->dev_radio) { | |
920 | pvr2_v4l2_dev_destroy(vp->dev_radio); | |
89952d13 | 921 | vp->dev_radio = NULL; |
0f0f257b | 922 | } |
d855497e MI |
923 | |
924 | pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr2_v4l2 id=%p",vp); | |
925 | pvr2_channel_done(&vp->channel); | |
926 | kfree(vp); | |
927 | } | |
928 | ||
929 | ||
75910053 MI |
930 | static void pvr2_video_device_release(struct video_device *vdev) |
931 | { | |
932 | struct pvr2_v4l2_dev *dev; | |
933 | dev = container_of(vdev,struct pvr2_v4l2_dev,devbase); | |
934 | kfree(dev); | |
935 | } | |
936 | ||
937 | ||
07e337ee | 938 | static void pvr2_v4l2_internal_check(struct pvr2_channel *chp) |
d855497e MI |
939 | { |
940 | struct pvr2_v4l2 *vp; | |
941 | vp = container_of(chp,struct pvr2_v4l2,channel); | |
942 | if (!vp->channel.mc_head->disconnect_flag) return; | |
4a89baa2 MI |
943 | pvr2_v4l2_dev_disassociate_parent(vp->dev_video); |
944 | pvr2_v4l2_dev_disassociate_parent(vp->dev_radio); | |
d855497e MI |
945 | if (vp->vfirst) return; |
946 | pvr2_v4l2_destroy_no_lock(vp); | |
947 | } | |
948 | ||
949 | ||
069b7479 | 950 | static long pvr2_v4l2_ioctl(struct file *file, |
07e337ee | 951 | unsigned int cmd, unsigned long arg) |
d855497e MI |
952 | { |
953 | ||
f473bf76 | 954 | return video_usercopy(file, cmd, arg, pvr2_v4l2_do_ioctl); |
d855497e MI |
955 | } |
956 | ||
957 | ||
bec43661 | 958 | static int pvr2_v4l2_release(struct file *file) |
d855497e MI |
959 | { |
960 | struct pvr2_v4l2_fh *fhp = file->private_data; | |
961 | struct pvr2_v4l2 *vp = fhp->vhead; | |
c74e0062 | 962 | struct pvr2_hdw *hdw = fhp->channel.mc_head->hdw; |
d855497e MI |
963 | |
964 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_release"); | |
965 | ||
966 | if (fhp->rhp) { | |
967 | struct pvr2_stream *sp; | |
d855497e MI |
968 | pvr2_hdw_set_streaming(hdw,0); |
969 | sp = pvr2_ioread_get_stream(fhp->rhp); | |
a0fd1cb1 | 970 | if (sp) pvr2_stream_set_callback(sp,NULL,NULL); |
d855497e | 971 | pvr2_ioread_destroy(fhp->rhp); |
a0fd1cb1 | 972 | fhp->rhp = NULL; |
d855497e | 973 | } |
ae2b9e25 | 974 | |
d855497e MI |
975 | v4l2_prio_close(&vp->prio, &fhp->prio); |
976 | file->private_data = NULL; | |
977 | ||
794b1607 MI |
978 | if (fhp->vnext) { |
979 | fhp->vnext->vprev = fhp->vprev; | |
980 | } else { | |
981 | vp->vlast = fhp->vprev; | |
982 | } | |
983 | if (fhp->vprev) { | |
984 | fhp->vprev->vnext = fhp->vnext; | |
985 | } else { | |
986 | vp->vfirst = fhp->vnext; | |
987 | } | |
988 | fhp->vnext = NULL; | |
989 | fhp->vprev = NULL; | |
990 | fhp->vhead = NULL; | |
991 | pvr2_channel_done(&fhp->channel); | |
992 | pvr2_trace(PVR2_TRACE_STRUCT, | |
993 | "Destroying pvr_v4l2_fh id=%p",fhp); | |
e57b1c80 MI |
994 | if (fhp->input_map) { |
995 | kfree(fhp->input_map); | |
996 | fhp->input_map = NULL; | |
997 | } | |
794b1607 MI |
998 | kfree(fhp); |
999 | if (vp->channel.mc_head->disconnect_flag && !vp->vfirst) { | |
1000 | pvr2_v4l2_destroy_no_lock(vp); | |
1001 | } | |
d855497e MI |
1002 | return 0; |
1003 | } | |
1004 | ||
1005 | ||
bec43661 | 1006 | static int pvr2_v4l2_open(struct file *file) |
d855497e | 1007 | { |
75910053 | 1008 | struct pvr2_v4l2_dev *dip; /* Our own context pointer */ |
d855497e MI |
1009 | struct pvr2_v4l2_fh *fhp; |
1010 | struct pvr2_v4l2 *vp; | |
1011 | struct pvr2_hdw *hdw; | |
1cb03b76 | 1012 | unsigned int input_mask = 0; |
e57b1c80 | 1013 | unsigned int input_cnt,idx; |
1cb03b76 | 1014 | int ret = 0; |
d855497e | 1015 | |
75910053 | 1016 | dip = container_of(video_devdata(file),struct pvr2_v4l2_dev,devbase); |
d855497e MI |
1017 | |
1018 | vp = dip->v4lp; | |
1019 | hdw = vp->channel.hdw; | |
1020 | ||
1021 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_open"); | |
1022 | ||
1023 | if (!pvr2_hdw_dev_ok(hdw)) { | |
1024 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE, | |
1025 | "pvr2_v4l2_open: hardware not ready"); | |
1026 | return -EIO; | |
1027 | } | |
1028 | ||
4b85dee6 | 1029 | fhp = kzalloc(sizeof(*fhp),GFP_KERNEL); |
d855497e MI |
1030 | if (!fhp) { |
1031 | return -ENOMEM; | |
1032 | } | |
d855497e MI |
1033 | |
1034 | init_waitqueue_head(&fhp->wait_data); | |
1035 | fhp->dev_info = dip; | |
1036 | ||
794b1607 MI |
1037 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr_v4l2_fh id=%p",fhp); |
1038 | pvr2_channel_init(&fhp->channel,vp->channel.mc_head); | |
ae2b9e25 | 1039 | |
1cb03b76 MI |
1040 | if (dip->v4l_type == VFL_TYPE_RADIO) { |
1041 | /* Opening device as a radio, legal input selection subset | |
1042 | is just the radio. */ | |
1043 | input_mask = (1 << PVR2_CVAL_INPUT_RADIO); | |
1044 | } else { | |
1045 | /* Opening the main V4L device, legal input selection | |
1046 | subset includes all analog inputs. */ | |
1047 | input_mask = ((1 << PVR2_CVAL_INPUT_RADIO) | | |
1048 | (1 << PVR2_CVAL_INPUT_TV) | | |
1049 | (1 << PVR2_CVAL_INPUT_COMPOSITE) | | |
1050 | (1 << PVR2_CVAL_INPUT_SVIDEO)); | |
1051 | } | |
1052 | ret = pvr2_channel_limit_inputs(&fhp->channel,input_mask); | |
1053 | if (ret) { | |
1054 | pvr2_channel_done(&fhp->channel); | |
1055 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1056 | "Destroying pvr_v4l2_fh id=%p (input mask error)", | |
1057 | fhp); | |
1058 | ||
1059 | kfree(fhp); | |
1060 | return ret; | |
1061 | } | |
1062 | ||
e57b1c80 MI |
1063 | input_mask &= pvr2_hdw_get_input_available(hdw); |
1064 | input_cnt = 0; | |
1065 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1066 | if (input_mask & (1 << idx)) input_cnt++; | |
1067 | } | |
1068 | fhp->input_cnt = input_cnt; | |
1069 | fhp->input_map = kzalloc(input_cnt,GFP_KERNEL); | |
1070 | if (!fhp->input_map) { | |
1071 | pvr2_channel_done(&fhp->channel); | |
1072 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1073 | "Destroying pvr_v4l2_fh id=%p (input map failure)", | |
1074 | fhp); | |
1075 | kfree(fhp); | |
1076 | return -ENOMEM; | |
1077 | } | |
1078 | input_cnt = 0; | |
1079 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1080 | if (!(input_mask & (1 << idx))) continue; | |
1081 | fhp->input_map[input_cnt++] = idx; | |
1082 | } | |
1083 | ||
794b1607 MI |
1084 | fhp->vnext = NULL; |
1085 | fhp->vprev = vp->vlast; | |
1086 | if (vp->vlast) { | |
1087 | vp->vlast->vnext = fhp; | |
1088 | } else { | |
1089 | vp->vfirst = fhp; | |
1090 | } | |
1091 | vp->vlast = fhp; | |
1092 | fhp->vhead = vp; | |
1093 | ||
d855497e MI |
1094 | fhp->file = file; |
1095 | file->private_data = fhp; | |
1096 | v4l2_prio_open(&vp->prio,&fhp->prio); | |
1097 | ||
1098 | fhp->fw_mode_flag = pvr2_hdw_cpufw_get_enabled(hdw); | |
1099 | ||
1100 | return 0; | |
1101 | } | |
1102 | ||
1103 | ||
1104 | static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp) | |
1105 | { | |
1106 | wake_up(&fhp->wait_data); | |
1107 | } | |
1108 | ||
1109 | static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh) | |
1110 | { | |
1111 | int ret; | |
1112 | struct pvr2_stream *sp; | |
1113 | struct pvr2_hdw *hdw; | |
1114 | if (fh->rhp) return 0; | |
1115 | ||
16eb40d3 MI |
1116 | if (!fh->dev_info->stream) { |
1117 | /* No stream defined for this node. This means that we're | |
1118 | not currently allowed to stream from this node. */ | |
1119 | return -EPERM; | |
1120 | } | |
1121 | ||
d855497e MI |
1122 | /* First read() attempt. Try to claim the stream and start |
1123 | it... */ | |
1124 | if ((ret = pvr2_channel_claim_stream(&fh->channel, | |
1125 | fh->dev_info->stream)) != 0) { | |
1126 | /* Someone else must already have it */ | |
1127 | return ret; | |
1128 | } | |
1129 | ||
1130 | fh->rhp = pvr2_channel_create_mpeg_stream(fh->dev_info->stream); | |
1131 | if (!fh->rhp) { | |
a0fd1cb1 | 1132 | pvr2_channel_claim_stream(&fh->channel,NULL); |
d855497e MI |
1133 | return -ENOMEM; |
1134 | } | |
1135 | ||
1136 | hdw = fh->channel.mc_head->hdw; | |
1137 | sp = fh->dev_info->stream->stream; | |
1138 | pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh); | |
1139 | pvr2_hdw_set_stream_type(hdw,fh->dev_info->config); | |
681c7399 MI |
1140 | if ((ret = pvr2_hdw_set_streaming(hdw,!0)) < 0) return ret; |
1141 | return pvr2_ioread_set_enabled(fh->rhp,!0); | |
d855497e MI |
1142 | } |
1143 | ||
1144 | ||
1145 | static ssize_t pvr2_v4l2_read(struct file *file, | |
1146 | char __user *buff, size_t count, loff_t *ppos) | |
1147 | { | |
1148 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1149 | int ret; | |
1150 | ||
1151 | if (fh->fw_mode_flag) { | |
1152 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
1153 | char *tbuf; | |
1154 | int c1,c2; | |
1155 | int tcnt = 0; | |
1156 | unsigned int offs = *ppos; | |
1157 | ||
1158 | tbuf = kmalloc(PAGE_SIZE,GFP_KERNEL); | |
1159 | if (!tbuf) return -ENOMEM; | |
1160 | ||
1161 | while (count) { | |
1162 | c1 = count; | |
1163 | if (c1 > PAGE_SIZE) c1 = PAGE_SIZE; | |
1164 | c2 = pvr2_hdw_cpufw_get(hdw,offs,tbuf,c1); | |
1165 | if (c2 < 0) { | |
1166 | tcnt = c2; | |
1167 | break; | |
1168 | } | |
1169 | if (!c2) break; | |
1170 | if (copy_to_user(buff,tbuf,c2)) { | |
1171 | tcnt = -EFAULT; | |
1172 | break; | |
1173 | } | |
1174 | offs += c2; | |
1175 | tcnt += c2; | |
1176 | buff += c2; | |
1177 | count -= c2; | |
1178 | *ppos += c2; | |
1179 | } | |
1180 | kfree(tbuf); | |
1181 | return tcnt; | |
1182 | } | |
1183 | ||
1184 | if (!fh->rhp) { | |
1185 | ret = pvr2_v4l2_iosetup(fh); | |
1186 | if (ret) { | |
1187 | return ret; | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | for (;;) { | |
1192 | ret = pvr2_ioread_read(fh->rhp,buff,count); | |
1193 | if (ret >= 0) break; | |
1194 | if (ret != -EAGAIN) break; | |
1195 | if (file->f_flags & O_NONBLOCK) break; | |
1196 | /* Doing blocking I/O. Wait here. */ | |
1197 | ret = wait_event_interruptible( | |
1198 | fh->wait_data, | |
1199 | pvr2_ioread_avail(fh->rhp) >= 0); | |
1200 | if (ret < 0) break; | |
1201 | } | |
1202 | ||
1203 | return ret; | |
1204 | } | |
1205 | ||
1206 | ||
1207 | static unsigned int pvr2_v4l2_poll(struct file *file, poll_table *wait) | |
1208 | { | |
1209 | unsigned int mask = 0; | |
1210 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1211 | int ret; | |
1212 | ||
1213 | if (fh->fw_mode_flag) { | |
1214 | mask |= POLLIN | POLLRDNORM; | |
1215 | return mask; | |
1216 | } | |
1217 | ||
1218 | if (!fh->rhp) { | |
1219 | ret = pvr2_v4l2_iosetup(fh); | |
1220 | if (ret) return POLLERR; | |
1221 | } | |
1222 | ||
1223 | poll_wait(file,&fh->wait_data,wait); | |
1224 | ||
1225 | if (pvr2_ioread_avail(fh->rhp) >= 0) { | |
1226 | mask |= POLLIN | POLLRDNORM; | |
1227 | } | |
1228 | ||
1229 | return mask; | |
1230 | } | |
1231 | ||
1232 | ||
bec43661 | 1233 | static const struct v4l2_file_operations vdev_fops = { |
d855497e MI |
1234 | .owner = THIS_MODULE, |
1235 | .open = pvr2_v4l2_open, | |
1236 | .release = pvr2_v4l2_release, | |
1237 | .read = pvr2_v4l2_read, | |
1238 | .ioctl = pvr2_v4l2_ioctl, | |
d855497e MI |
1239 | .poll = pvr2_v4l2_poll, |
1240 | }; | |
1241 | ||
1242 | ||
d855497e | 1243 | static struct video_device vdev_template = { |
d855497e MI |
1244 | .fops = &vdev_fops, |
1245 | }; | |
1246 | ||
1247 | ||
1248 | static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip, | |
1249 | struct pvr2_v4l2 *vp, | |
16eb40d3 | 1250 | int v4l_type) |
d855497e | 1251 | { |
4a89baa2 | 1252 | struct usb_device *usbdev; |
d855497e MI |
1253 | int mindevnum; |
1254 | int unit_number; | |
89952d13 | 1255 | int *nr_ptr = NULL; |
d855497e | 1256 | dip->v4lp = vp; |
d855497e | 1257 | |
4a89baa2 | 1258 | usbdev = pvr2_hdw_get_dev(vp->channel.mc_head->hdw); |
16eb40d3 MI |
1259 | dip->v4l_type = v4l_type; |
1260 | switch (v4l_type) { | |
1261 | case VFL_TYPE_GRABBER: | |
d855497e | 1262 | dip->stream = &vp->channel.mc_head->video_stream; |
16eb40d3 MI |
1263 | dip->config = pvr2_config_mpeg; |
1264 | dip->minor_type = pvr2_v4l_type_video; | |
1265 | nr_ptr = video_nr; | |
c74e0062 | 1266 | if (!dip->stream) { |
be9ed511 MCC |
1267 | pr_err(KBUILD_MODNAME |
1268 | ": Failed to set up pvrusb2 v4l video dev" | |
1269 | " due to missing stream instance\n"); | |
c74e0062 MI |
1270 | return; |
1271 | } | |
d855497e | 1272 | break; |
16eb40d3 MI |
1273 | case VFL_TYPE_VBI: |
1274 | dip->config = pvr2_config_vbi; | |
1275 | dip->minor_type = pvr2_v4l_type_vbi; | |
1276 | nr_ptr = vbi_nr; | |
d855497e | 1277 | break; |
16eb40d3 | 1278 | case VFL_TYPE_RADIO: |
af78a48b MI |
1279 | dip->stream = &vp->channel.mc_head->video_stream; |
1280 | dip->config = pvr2_config_mpeg; | |
16eb40d3 MI |
1281 | dip->minor_type = pvr2_v4l_type_radio; |
1282 | nr_ptr = radio_nr; | |
d855497e MI |
1283 | break; |
1284 | default: | |
1285 | /* Bail out (this should be impossible) */ | |
be9ed511 MCC |
1286 | pr_err(KBUILD_MODNAME ": Failed to set up pvrusb2 v4l dev" |
1287 | " due to unrecognized config\n"); | |
d855497e MI |
1288 | return; |
1289 | } | |
1290 | ||
75910053 MI |
1291 | memcpy(&dip->devbase,&vdev_template,sizeof(vdev_template)); |
1292 | dip->devbase.release = pvr2_video_device_release; | |
d855497e MI |
1293 | |
1294 | mindevnum = -1; | |
1295 | unit_number = pvr2_hdw_get_unit_number(vp->channel.mc_head->hdw); | |
16eb40d3 MI |
1296 | if (nr_ptr && (unit_number >= 0) && (unit_number < PVR_NUM)) { |
1297 | mindevnum = nr_ptr[unit_number]; | |
d855497e | 1298 | } |
4a89baa2 | 1299 | dip->devbase.parent = &usbdev->dev; |
16eb40d3 MI |
1300 | if ((video_register_device(&dip->devbase, |
1301 | dip->v4l_type, mindevnum) < 0) && | |
1302 | (video_register_device(&dip->devbase, | |
1303 | dip->v4l_type, -1) < 0)) { | |
be9ed511 MCC |
1304 | pr_err(KBUILD_MODNAME |
1305 | ": Failed to register pvrusb2 v4l device\n"); | |
ae2b9e25 | 1306 | } |
16eb40d3 | 1307 | |
38c7c036 LP |
1308 | printk(KERN_INFO "pvrusb2: registered device %s [%s]\n", |
1309 | video_device_node_name(&dip->devbase), | |
16eb40d3 | 1310 | pvr2_config_get_name(dip->config)); |
d855497e | 1311 | |
d855497e | 1312 | pvr2_hdw_v4l_store_minor_number(vp->channel.mc_head->hdw, |
16eb40d3 | 1313 | dip->minor_type,dip->devbase.minor); |
d855497e MI |
1314 | } |
1315 | ||
1316 | ||
1317 | struct pvr2_v4l2 *pvr2_v4l2_create(struct pvr2_context *mnp) | |
1318 | { | |
1319 | struct pvr2_v4l2 *vp; | |
1320 | ||
4b85dee6 | 1321 | vp = kzalloc(sizeof(*vp),GFP_KERNEL); |
d855497e | 1322 | if (!vp) return vp; |
d855497e MI |
1323 | pvr2_channel_init(&vp->channel,mnp); |
1324 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr2_v4l2 id=%p",vp); | |
1325 | ||
1326 | vp->channel.check_func = pvr2_v4l2_internal_check; | |
1327 | ||
1328 | /* register streams */ | |
beb0ecd7 MI |
1329 | vp->dev_video = kzalloc(sizeof(*vp->dev_video),GFP_KERNEL); |
1330 | if (!vp->dev_video) goto fail; | |
16eb40d3 | 1331 | pvr2_v4l2_dev_init(vp->dev_video,vp,VFL_TYPE_GRABBER); |
e57b1c80 MI |
1332 | if (pvr2_hdw_get_input_available(vp->channel.mc_head->hdw) & |
1333 | (1 << PVR2_CVAL_INPUT_RADIO)) { | |
beb0ecd7 MI |
1334 | vp->dev_radio = kzalloc(sizeof(*vp->dev_radio),GFP_KERNEL); |
1335 | if (!vp->dev_radio) goto fail; | |
1336 | pvr2_v4l2_dev_init(vp->dev_radio,vp,VFL_TYPE_RADIO); | |
1337 | } | |
d855497e MI |
1338 | |
1339 | return vp; | |
beb0ecd7 MI |
1340 | fail: |
1341 | pvr2_trace(PVR2_TRACE_STRUCT,"Failure creating pvr2_v4l2 id=%p",vp); | |
1342 | pvr2_v4l2_destroy_no_lock(vp); | |
a6a3a17b | 1343 | return NULL; |
d855497e MI |
1344 | } |
1345 | ||
1346 | /* | |
1347 | Stuff for Emacs to see, in order to encourage consistent editing style: | |
1348 | *** Local Variables: *** | |
1349 | *** mode: c *** | |
1350 | *** fill-column: 75 *** | |
1351 | *** tab-width: 8 *** | |
1352 | *** c-basic-offset: 8 *** | |
1353 | *** End: *** | |
1354 | */ |