Commit | Line | Data |
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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> | |
7a707b89 | 32 | #include <linux/module.h> |
43e06022 | 33 | #include <media/v4l2-dev.h> |
d855497e | 34 | #include <media/v4l2-common.h> |
35ea11ff | 35 | #include <media/v4l2-ioctl.h> |
d855497e MI |
36 | |
37 | struct pvr2_v4l2_dev; | |
38 | struct pvr2_v4l2_fh; | |
39 | struct pvr2_v4l2; | |
40 | ||
d855497e | 41 | struct pvr2_v4l2_dev { |
75910053 | 42 | struct video_device devbase; /* MUST be first! */ |
d855497e | 43 | struct pvr2_v4l2 *v4lp; |
d855497e | 44 | struct pvr2_context_stream *stream; |
16eb40d3 MI |
45 | /* Information about this device: */ |
46 | enum pvr2_config config; /* Expected stream format */ | |
47 | int v4l_type; /* V4L defined type for this device node */ | |
48 | enum pvr2_v4l_type minor_type; /* pvr2-understood minor device type */ | |
d855497e MI |
49 | }; |
50 | ||
51 | struct pvr2_v4l2_fh { | |
52 | struct pvr2_channel channel; | |
108bdd7a | 53 | struct pvr2_v4l2_dev *pdi; |
d855497e MI |
54 | enum v4l2_priority prio; |
55 | struct pvr2_ioread *rhp; | |
56 | struct file *file; | |
57 | struct pvr2_v4l2 *vhead; | |
58 | struct pvr2_v4l2_fh *vnext; | |
59 | struct pvr2_v4l2_fh *vprev; | |
60 | wait_queue_head_t wait_data; | |
61 | int fw_mode_flag; | |
e57b1c80 MI |
62 | /* Map contiguous ordinal value to input id */ |
63 | unsigned char *input_map; | |
64 | unsigned int input_cnt; | |
d855497e MI |
65 | }; |
66 | ||
67 | struct pvr2_v4l2 { | |
68 | struct pvr2_channel channel; | |
69 | struct pvr2_v4l2_fh *vfirst; | |
70 | struct pvr2_v4l2_fh *vlast; | |
71 | ||
72 | struct v4l2_prio_state prio; | |
73 | ||
0f0f257b MI |
74 | /* streams - Note that these must be separately, individually, |
75 | * allocated pointers. This is because the v4l core is going to | |
76 | * manage their deletion - separately, individually... */ | |
77 | struct pvr2_v4l2_dev *dev_video; | |
78 | struct pvr2_v4l2_dev *dev_radio; | |
d855497e MI |
79 | }; |
80 | ||
81 | static int video_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
82 | module_param_array(video_nr, int, NULL, 0444); | |
5e6862ce MI |
83 | MODULE_PARM_DESC(video_nr, "Offset for device's video dev minor"); |
84 | static int radio_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
85 | module_param_array(radio_nr, int, NULL, 0444); | |
86 | MODULE_PARM_DESC(radio_nr, "Offset for device's radio dev minor"); | |
87 | static int vbi_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
88 | module_param_array(vbi_nr, int, NULL, 0444); | |
89 | MODULE_PARM_DESC(vbi_nr, "Offset for device's vbi dev minor"); | |
d855497e | 90 | |
07e337ee | 91 | static struct v4l2_capability pvr_capability ={ |
d855497e MI |
92 | .driver = "pvrusb2", |
93 | .card = "Hauppauge WinTV pvr-usb2", | |
94 | .bus_info = "usb", | |
083774d8 | 95 | .version = LINUX_VERSION_CODE, |
d166b02e | 96 | .capabilities = (V4L2_CAP_VIDEO_CAPTURE | |
ae2b9e25 | 97 | V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_RADIO | |
d855497e | 98 | V4L2_CAP_READWRITE), |
d855497e MI |
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, | |
d855497e MI |
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, | |
d855497e MI |
147 | } |
148 | } | |
149 | } | |
150 | }; | |
151 | ||
16eb40d3 | 152 | |
c6d26cfe | 153 | |
d855497e | 154 | /* |
c6d26cfe | 155 | * This is part of Video 4 Linux API. These procedures handle ioctl() calls. |
d855497e | 156 | */ |
c6d26cfe | 157 | static int pvr2_querycap(struct file *file, void *priv, struct v4l2_capability *cap) |
d855497e MI |
158 | { |
159 | struct pvr2_v4l2_fh *fh = file->private_data; | |
d855497e | 160 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; |
d855497e | 161 | |
c6d26cfe HV |
162 | memcpy(cap, &pvr_capability, sizeof(struct v4l2_capability)); |
163 | strlcpy(cap->bus_info, pvr2_hdw_get_bus_info(hdw), | |
164 | sizeof(cap->bus_info)); | |
165 | strlcpy(cap->card, pvr2_hdw_get_desc(hdw), sizeof(cap->card)); | |
166 | return 0; | |
167 | } | |
d855497e | 168 | |
c6d26cfe HV |
169 | static int pvr2_g_priority(struct file *file, void *priv, enum v4l2_priority *p) |
170 | { | |
171 | struct pvr2_v4l2_fh *fh = file->private_data; | |
172 | struct pvr2_v4l2 *vp = fh->vhead; | |
d855497e | 173 | |
c6d26cfe HV |
174 | *p = v4l2_prio_max(&vp->prio); |
175 | return 0; | |
176 | } | |
d855497e | 177 | |
c6d26cfe HV |
178 | static int pvr2_s_priority(struct file *file, void *priv, enum v4l2_priority prio) |
179 | { | |
180 | struct pvr2_v4l2_fh *fh = file->private_data; | |
181 | struct pvr2_v4l2 *vp = fh->vhead; | |
d855497e | 182 | |
c6d26cfe HV |
183 | return v4l2_prio_change(&vp->prio, &fh->prio, prio); |
184 | } | |
d855497e | 185 | |
c6d26cfe HV |
186 | static int pvr2_g_std(struct file *file, void *priv, v4l2_std_id *std) |
187 | { | |
188 | struct pvr2_v4l2_fh *fh = file->private_data; | |
189 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
190 | int val = 0; | |
191 | int ret; | |
d855497e | 192 | |
c6d26cfe HV |
193 | ret = pvr2_ctrl_get_value( |
194 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_STDCUR), &val); | |
195 | *std = val; | |
196 | return ret; | |
197 | } | |
d855497e | 198 | |
c6d26cfe HV |
199 | int pvr2_s_std(struct file *file, void *priv, v4l2_std_id *std) |
200 | { | |
201 | struct pvr2_v4l2_fh *fh = file->private_data; | |
202 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
d855497e | 203 | |
c6d26cfe HV |
204 | return pvr2_ctrl_set_value( |
205 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_STDCUR), *std); | |
206 | } | |
d855497e | 207 | |
0927ee67 MI |
208 | static int pvr2_querystd(struct file *file, void *priv, v4l2_std_id *std) |
209 | { | |
210 | struct pvr2_v4l2_fh *fh = file->private_data; | |
211 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
ac04d00e MI |
212 | int val = 0; |
213 | int ret; | |
0927ee67 | 214 | |
ac04d00e MI |
215 | ret = pvr2_ctrl_get_value( |
216 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_STDDETECT), &val); | |
217 | *std = val; | |
218 | return ret; | |
0927ee67 MI |
219 | } |
220 | ||
c6d26cfe HV |
221 | static int pvr2_enum_input(struct file *file, void *priv, struct v4l2_input *vi) |
222 | { | |
223 | struct pvr2_v4l2_fh *fh = file->private_data; | |
224 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
225 | struct pvr2_ctrl *cptr; | |
226 | struct v4l2_input tmp; | |
227 | unsigned int cnt; | |
228 | int val; | |
7383a473 | 229 | |
c6d26cfe HV |
230 | cptr = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT); |
231 | ||
232 | memset(&tmp, 0, sizeof(tmp)); | |
233 | tmp.index = vi->index; | |
c6d26cfe HV |
234 | if (vi->index >= fh->input_cnt) |
235 | return -EINVAL; | |
236 | val = fh->input_map[vi->index]; | |
237 | switch (val) { | |
238 | case PVR2_CVAL_INPUT_TV: | |
239 | case PVR2_CVAL_INPUT_DTV: | |
240 | case PVR2_CVAL_INPUT_RADIO: | |
241 | tmp.type = V4L2_INPUT_TYPE_TUNER; | |
d855497e | 242 | break; |
c6d26cfe HV |
243 | case PVR2_CVAL_INPUT_SVIDEO: |
244 | case PVR2_CVAL_INPUT_COMPOSITE: | |
245 | tmp.type = V4L2_INPUT_TYPE_CAMERA; | |
d855497e | 246 | break; |
c6d26cfe HV |
247 | default: |
248 | return -EINVAL; | |
d855497e MI |
249 | } |
250 | ||
c6d26cfe HV |
251 | cnt = 0; |
252 | pvr2_ctrl_get_valname(cptr, val, | |
253 | tmp.name, sizeof(tmp.name) - 1, &cnt); | |
254 | tmp.name[cnt] = 0; | |
d855497e | 255 | |
c6d26cfe HV |
256 | /* Don't bother with audioset, since this driver currently |
257 | always switches the audio whenever the video is | |
258 | switched. */ | |
d855497e | 259 | |
c6d26cfe HV |
260 | /* Handling std is a tougher problem. It doesn't make |
261 | sense in cases where a device might be multi-standard. | |
262 | We could just copy out the current value for the | |
263 | standard, but it can change over time. For now just | |
264 | leave it zero. */ | |
265 | *vi = tmp; | |
266 | return 0; | |
267 | } | |
d855497e | 268 | |
c6d26cfe HV |
269 | static int pvr2_g_input(struct file *file, void *priv, unsigned int *i) |
270 | { | |
271 | struct pvr2_v4l2_fh *fh = file->private_data; | |
272 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
273 | unsigned int idx; | |
274 | struct pvr2_ctrl *cptr; | |
275 | int val; | |
276 | int ret; | |
d855497e | 277 | |
c6d26cfe HV |
278 | cptr = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT); |
279 | val = 0; | |
280 | ret = pvr2_ctrl_get_value(cptr, &val); | |
281 | *i = 0; | |
282 | for (idx = 0; idx < fh->input_cnt; idx++) { | |
283 | if (fh->input_map[idx] == val) { | |
284 | *i = idx; | |
beb0ecd7 MI |
285 | break; |
286 | } | |
d855497e | 287 | } |
c6d26cfe HV |
288 | return ret; |
289 | } | |
d855497e | 290 | |
c6d26cfe HV |
291 | static int pvr2_s_input(struct file *file, void *priv, unsigned int inp) |
292 | { | |
293 | struct pvr2_v4l2_fh *fh = file->private_data; | |
294 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
d855497e | 295 | |
c6d26cfe HV |
296 | if (inp >= fh->input_cnt) |
297 | return -EINVAL; | |
298 | return pvr2_ctrl_set_value( | |
299 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT), | |
300 | fh->input_map[inp]); | |
301 | } | |
d855497e | 302 | |
c6d26cfe HV |
303 | static int pvr2_enumaudio(struct file *file, void *priv, struct v4l2_audio *vin) |
304 | { | |
305 | /* pkt: FIXME: We are returning one "fake" input here | |
306 | which could very well be called "whatever_we_like". | |
307 | This is for apps that want to see an audio input | |
308 | just to feel comfortable, as well as to test if | |
309 | it can do stereo or sth. There is actually no guarantee | |
310 | that the actual audio input cannot change behind the app's | |
311 | back, but most applications should not mind that either. | |
312 | ||
313 | Hopefully, mplayer people will work with us on this (this | |
314 | whole mess is to support mplayer pvr://), or Hans will come | |
315 | up with a more standard way to say "we have inputs but we | |
316 | don 't want you to change them independent of video" which | |
317 | will sort this mess. | |
318 | */ | |
319 | ||
320 | if (vin->index > 0) | |
321 | return -EINVAL; | |
322 | strncpy(vin->name, "PVRUSB2 Audio", 14); | |
323 | vin->capability = V4L2_AUDCAP_STEREO; | |
324 | return 0; | |
325 | } | |
5cc1dd8c | 326 | |
c6d26cfe HV |
327 | static int pvr2_g_audio(struct file *file, void *priv, struct v4l2_audio *vin) |
328 | { | |
329 | /* pkt: FIXME: see above comment (VIDIOC_ENUMAUDIO) */ | |
330 | vin->index = 0; | |
331 | strncpy(vin->name, "PVRUSB2 Audio", 14); | |
332 | vin->capability = V4L2_AUDCAP_STEREO; | |
333 | return 0; | |
334 | } | |
5cc1dd8c | 335 | |
c6d26cfe HV |
336 | static int pvr2_s_audio(struct file *file, void *priv, struct v4l2_audio *vout) |
337 | { | |
338 | if (vout->index) | |
339 | return -EINVAL; | |
340 | return 0; | |
341 | } | |
d855497e | 342 | |
c6d26cfe HV |
343 | static int pvr2_g_tuner(struct file *file, void *priv, struct v4l2_tuner *vt) |
344 | { | |
345 | struct pvr2_v4l2_fh *fh = file->private_data; | |
346 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
d855497e | 347 | |
c6d26cfe HV |
348 | if (vt->index != 0) |
349 | return -EINVAL; /* Only answer for the 1st tuner */ | |
d855497e | 350 | |
c6d26cfe HV |
351 | pvr2_hdw_execute_tuner_poll(hdw); |
352 | return pvr2_hdw_get_tuner_status(hdw, vt); | |
353 | } | |
354 | ||
355 | static int pvr2_s_tuner(struct file *file, void *priv, struct v4l2_tuner *vt) | |
356 | { | |
357 | struct pvr2_v4l2_fh *fh = file->private_data; | |
358 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
359 | ||
360 | if (vt->index != 0) | |
361 | return -EINVAL; | |
362 | ||
363 | return pvr2_ctrl_set_value( | |
364 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_AUDIOMODE), | |
d855497e | 365 | vt->audmode); |
c6d26cfe | 366 | } |
d855497e | 367 | |
c6d26cfe HV |
368 | int pvr2_s_frequency(struct file *file, void *priv, struct v4l2_frequency *vf) |
369 | { | |
370 | struct pvr2_v4l2_fh *fh = file->private_data; | |
371 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
372 | unsigned long fv; | |
373 | struct v4l2_tuner vt; | |
374 | int cur_input; | |
375 | struct pvr2_ctrl *ctrlp; | |
376 | int ret; | |
377 | ||
378 | ret = pvr2_hdw_get_tuner_status(hdw, &vt); | |
379 | if (ret != 0) | |
380 | return ret; | |
381 | ctrlp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT); | |
382 | ret = pvr2_ctrl_get_value(ctrlp, &cur_input); | |
383 | if (ret != 0) | |
384 | return ret; | |
385 | if (vf->type == V4L2_TUNER_RADIO) { | |
386 | if (cur_input != PVR2_CVAL_INPUT_RADIO) | |
387 | pvr2_ctrl_set_value(ctrlp, PVR2_CVAL_INPUT_RADIO); | |
388 | } else { | |
389 | if (cur_input == PVR2_CVAL_INPUT_RADIO) | |
390 | pvr2_ctrl_set_value(ctrlp, PVR2_CVAL_INPUT_TV); | |
391 | } | |
392 | fv = vf->frequency; | |
393 | if (vt.capability & V4L2_TUNER_CAP_LOW) | |
394 | fv = (fv * 125) / 2; | |
395 | else | |
396 | fv = fv * 62500; | |
397 | return pvr2_ctrl_set_value( | |
c0e69315 | 398 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY),fv); |
c6d26cfe | 399 | } |
d855497e | 400 | |
c6d26cfe HV |
401 | static int pvr2_g_frequency(struct file *file, void *priv, struct v4l2_frequency *vf) |
402 | { | |
403 | struct pvr2_v4l2_fh *fh = file->private_data; | |
404 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
405 | int val = 0; | |
406 | int cur_input; | |
407 | struct v4l2_tuner vt; | |
408 | int ret; | |
409 | ||
410 | ret = pvr2_hdw_get_tuner_status(hdw, &vt); | |
411 | if (ret != 0) | |
412 | return ret; | |
413 | ret = pvr2_ctrl_get_value( | |
414 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_FREQUENCY), | |
d855497e | 415 | &val); |
c6d26cfe HV |
416 | if (ret != 0) |
417 | return ret; | |
418 | pvr2_ctrl_get_value( | |
419 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT), | |
c0e69315 | 420 | &cur_input); |
c6d26cfe HV |
421 | if (cur_input == PVR2_CVAL_INPUT_RADIO) |
422 | vf->type = V4L2_TUNER_RADIO; | |
423 | else | |
424 | vf->type = V4L2_TUNER_ANALOG_TV; | |
425 | if (vt.capability & V4L2_TUNER_CAP_LOW) | |
426 | val = (val * 2) / 125; | |
427 | else | |
428 | val /= 62500; | |
429 | vf->frequency = val; | |
430 | return 0; | |
431 | } | |
d855497e | 432 | |
c6d26cfe HV |
433 | static int pvr2_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *fd) |
434 | { | |
435 | /* Only one format is supported : mpeg.*/ | |
436 | if (fd->index != 0) | |
437 | return -EINVAL; | |
d855497e | 438 | |
c6d26cfe HV |
439 | memcpy(fd, pvr_fmtdesc, sizeof(struct v4l2_fmtdesc)); |
440 | return 0; | |
441 | } | |
d855497e | 442 | |
c6d26cfe HV |
443 | static int pvr2_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) |
444 | { | |
445 | struct pvr2_v4l2_fh *fh = file->private_data; | |
446 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
447 | int val; | |
d855497e | 448 | |
c6d26cfe HV |
449 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], sizeof(struct v4l2_format)); |
450 | val = 0; | |
451 | pvr2_ctrl_get_value( | |
452 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_HRES), | |
453 | &val); | |
454 | vf->fmt.pix.width = val; | |
455 | val = 0; | |
456 | pvr2_ctrl_get_value( | |
457 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_VRES), | |
458 | &val); | |
459 | vf->fmt.pix.height = val; | |
460 | return 0; | |
461 | } | |
d855497e | 462 | |
c6d26cfe HV |
463 | static int pvr2_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) |
464 | { | |
465 | struct pvr2_v4l2_fh *fh = file->private_data; | |
466 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
467 | int lmin, lmax, ldef; | |
468 | struct pvr2_ctrl *hcp, *vcp; | |
469 | int h = vf->fmt.pix.height; | |
470 | int w = vf->fmt.pix.width; | |
471 | ||
472 | hcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_HRES); | |
473 | vcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_VRES); | |
474 | ||
475 | lmin = pvr2_ctrl_get_min(hcp); | |
476 | lmax = pvr2_ctrl_get_max(hcp); | |
477 | pvr2_ctrl_get_def(hcp, &ldef); | |
478 | if (w == -1) | |
479 | w = ldef; | |
480 | else if (w < lmin) | |
481 | w = lmin; | |
482 | else if (w > lmax) | |
483 | w = lmax; | |
484 | lmin = pvr2_ctrl_get_min(vcp); | |
485 | lmax = pvr2_ctrl_get_max(vcp); | |
486 | pvr2_ctrl_get_def(vcp, &ldef); | |
487 | if (h == -1) | |
488 | h = ldef; | |
489 | else if (h < lmin) | |
490 | h = lmin; | |
491 | else if (h > lmax) | |
492 | h = lmax; | |
493 | ||
494 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], | |
495 | sizeof(struct v4l2_format)); | |
496 | vf->fmt.pix.width = w; | |
497 | vf->fmt.pix.height = h; | |
498 | return 0; | |
499 | } | |
d855497e | 500 | |
c6d26cfe HV |
501 | static int pvr2_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) |
502 | { | |
503 | struct pvr2_v4l2_fh *fh = file->private_data; | |
504 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
505 | struct pvr2_ctrl *hcp, *vcp; | |
506 | int ret = pvr2_try_fmt_vid_cap(file, fh, vf); | |
d855497e | 507 | |
c6d26cfe HV |
508 | if (ret) |
509 | return ret; | |
510 | hcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_HRES); | |
511 | vcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_VRES); | |
512 | pvr2_ctrl_set_value(hcp, vf->fmt.pix.width); | |
513 | pvr2_ctrl_set_value(vcp, vf->fmt.pix.height); | |
514 | return 0; | |
515 | } | |
d855497e | 516 | |
c6d26cfe HV |
517 | static int pvr2_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
518 | { | |
519 | struct pvr2_v4l2_fh *fh = file->private_data; | |
520 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
521 | struct pvr2_v4l2_dev *pdi = fh->pdi; | |
522 | int ret; | |
523 | ||
524 | if (!fh->pdi->stream) { | |
525 | /* No stream defined for this node. This means | |
526 | that we're not currently allowed to stream from | |
527 | this node. */ | |
528 | return -EPERM; | |
d855497e | 529 | } |
c6d26cfe HV |
530 | ret = pvr2_hdw_set_stream_type(hdw, pdi->config); |
531 | if (ret < 0) | |
532 | return ret; | |
533 | return pvr2_hdw_set_streaming(hdw, !0); | |
534 | } | |
d855497e | 535 | |
c6d26cfe HV |
536 | static int pvr2_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
537 | { | |
538 | struct pvr2_v4l2_fh *fh = file->private_data; | |
539 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
540 | ||
541 | if (!fh->pdi->stream) { | |
542 | /* No stream defined for this node. This means | |
543 | that we're not currently allowed to stream from | |
544 | this node. */ | |
545 | return -EPERM; | |
d855497e | 546 | } |
c6d26cfe HV |
547 | return pvr2_hdw_set_streaming(hdw, 0); |
548 | } | |
d855497e | 549 | |
c6d26cfe HV |
550 | static int pvr2_queryctrl(struct file *file, void *priv, |
551 | struct v4l2_queryctrl *vc) | |
552 | { | |
553 | struct pvr2_v4l2_fh *fh = file->private_data; | |
554 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
555 | struct pvr2_ctrl *cptr; | |
556 | int val; | |
d855497e | 557 | |
c6d26cfe HV |
558 | if (vc->id & V4L2_CTRL_FLAG_NEXT_CTRL) { |
559 | cptr = pvr2_hdw_get_ctrl_nextv4l( | |
560 | hdw, (vc->id & ~V4L2_CTRL_FLAG_NEXT_CTRL)); | |
561 | if (cptr) | |
562 | vc->id = pvr2_ctrl_get_v4lid(cptr); | |
563 | } else { | |
564 | cptr = pvr2_hdw_get_ctrl_v4l(hdw, vc->id); | |
565 | } | |
566 | if (!cptr) { | |
a761f431 | 567 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
c6d26cfe HV |
568 | "QUERYCTRL id=0x%x not implemented here", |
569 | vc->id); | |
570 | return -EINVAL; | |
571 | } | |
572 | ||
573 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
574 | "QUERYCTRL id=0x%x mapping name=%s (%s)", | |
575 | vc->id, pvr2_ctrl_get_name(cptr), | |
576 | pvr2_ctrl_get_desc(cptr)); | |
577 | strlcpy(vc->name, pvr2_ctrl_get_desc(cptr), sizeof(vc->name)); | |
578 | vc->flags = pvr2_ctrl_get_v4lflags(cptr); | |
579 | pvr2_ctrl_get_def(cptr, &val); | |
580 | vc->default_value = val; | |
581 | switch (pvr2_ctrl_get_type(cptr)) { | |
582 | case pvr2_ctl_enum: | |
583 | vc->type = V4L2_CTRL_TYPE_MENU; | |
584 | vc->minimum = 0; | |
585 | vc->maximum = pvr2_ctrl_get_cnt(cptr) - 1; | |
586 | vc->step = 1; | |
d855497e | 587 | break; |
c6d26cfe HV |
588 | case pvr2_ctl_bool: |
589 | vc->type = V4L2_CTRL_TYPE_BOOLEAN; | |
590 | vc->minimum = 0; | |
591 | vc->maximum = 1; | |
592 | vc->step = 1; | |
d855497e | 593 | break; |
c6d26cfe HV |
594 | case pvr2_ctl_int: |
595 | vc->type = V4L2_CTRL_TYPE_INTEGER; | |
596 | vc->minimum = pvr2_ctrl_get_min(cptr); | |
597 | vc->maximum = pvr2_ctrl_get_max(cptr); | |
598 | vc->step = 1; | |
d855497e | 599 | break; |
c6d26cfe HV |
600 | default: |
601 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
602 | "QUERYCTRL id=0x%x name=%s not mappable", | |
603 | vc->id, pvr2_ctrl_get_name(cptr)); | |
604 | return -EINVAL; | |
d855497e | 605 | } |
c6d26cfe HV |
606 | return 0; |
607 | } | |
d855497e | 608 | |
c6d26cfe HV |
609 | static int pvr2_querymenu(struct file *file, void *priv, struct v4l2_querymenu *vm) |
610 | { | |
611 | struct pvr2_v4l2_fh *fh = file->private_data; | |
612 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
613 | unsigned int cnt = 0; | |
614 | int ret; | |
d855497e | 615 | |
c6d26cfe HV |
616 | ret = pvr2_ctrl_get_valname(pvr2_hdw_get_ctrl_v4l(hdw, vm->id), |
617 | vm->index, | |
618 | vm->name, sizeof(vm->name) - 1, | |
619 | &cnt); | |
620 | vm->name[cnt] = 0; | |
621 | return ret; | |
622 | } | |
623 | ||
624 | static int pvr2_g_ctrl(struct file *file, void *priv, struct v4l2_control *vc) | |
625 | { | |
626 | struct pvr2_v4l2_fh *fh = file->private_data; | |
627 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
628 | int val = 0; | |
629 | int ret; | |
630 | ||
631 | ret = pvr2_ctrl_get_value(pvr2_hdw_get_ctrl_v4l(hdw, vc->id), | |
632 | &val); | |
633 | vc->value = val; | |
634 | return ret; | |
635 | } | |
636 | ||
637 | static int pvr2_s_ctrl(struct file *file, void *priv, struct v4l2_control *vc) | |
638 | { | |
639 | struct pvr2_v4l2_fh *fh = file->private_data; | |
640 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
641 | ||
642 | return pvr2_ctrl_set_value(pvr2_hdw_get_ctrl_v4l(hdw, vc->id), | |
643 | vc->value); | |
644 | } | |
645 | ||
646 | static int pvr2_g_ext_ctrls(struct file *file, void *priv, | |
647 | struct v4l2_ext_controls *ctls) | |
648 | { | |
649 | struct pvr2_v4l2_fh *fh = file->private_data; | |
650 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
651 | struct v4l2_ext_control *ctrl; | |
652 | unsigned int idx; | |
653 | int val; | |
654 | int ret; | |
655 | ||
656 | ret = 0; | |
657 | for (idx = 0; idx < ctls->count; idx++) { | |
658 | ctrl = ctls->controls + idx; | |
659 | ret = pvr2_ctrl_get_value( | |
660 | pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id), &val); | |
661 | if (ret) { | |
662 | ctls->error_idx = idx; | |
663 | return ret; | |
1d9f8461 | 664 | } |
c6d26cfe HV |
665 | /* Ensure that if read as a 64 bit value, the user |
666 | will still get a hopefully sane value */ | |
667 | ctrl->value64 = 0; | |
668 | ctrl->value = val; | |
1d9f8461 | 669 | } |
c6d26cfe HV |
670 | return 0; |
671 | } | |
1d9f8461 | 672 | |
c6d26cfe HV |
673 | static int pvr2_s_ext_ctrls(struct file *file, void *priv, |
674 | struct v4l2_ext_controls *ctls) | |
675 | { | |
676 | struct pvr2_v4l2_fh *fh = file->private_data; | |
677 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
678 | struct v4l2_ext_control *ctrl; | |
679 | unsigned int idx; | |
680 | int ret; | |
681 | ||
682 | ret = 0; | |
683 | for (idx = 0; idx < ctls->count; idx++) { | |
684 | ctrl = ctls->controls + idx; | |
685 | ret = pvr2_ctrl_set_value( | |
686 | pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id), | |
1d9f8461 | 687 | ctrl->value); |
c6d26cfe HV |
688 | if (ret) { |
689 | ctls->error_idx = idx; | |
690 | return ret; | |
1d9f8461 | 691 | } |
1d9f8461 | 692 | } |
c6d26cfe HV |
693 | return 0; |
694 | } | |
1d9f8461 | 695 | |
c6d26cfe HV |
696 | static int pvr2_try_ext_ctrls(struct file *file, void *priv, |
697 | struct v4l2_ext_controls *ctls) | |
698 | { | |
699 | struct pvr2_v4l2_fh *fh = file->private_data; | |
700 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
701 | struct v4l2_ext_control *ctrl; | |
702 | struct pvr2_ctrl *pctl; | |
703 | unsigned int idx; | |
1d9f8461 | 704 | |
c6d26cfe HV |
705 | /* For the moment just validate that the requested control |
706 | actually exists. */ | |
c6d26cfe HV |
707 | for (idx = 0; idx < ctls->count; idx++) { |
708 | ctrl = ctls->controls + idx; | |
709 | pctl = pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id); | |
710 | if (!pctl) { | |
711 | ctls->error_idx = idx; | |
712 | return -EINVAL; | |
432907f7 | 713 | } |
432907f7 | 714 | } |
c6d26cfe HV |
715 | return 0; |
716 | } | |
717 | ||
718 | static int pvr2_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cap) | |
719 | { | |
720 | struct pvr2_v4l2_fh *fh = file->private_data; | |
721 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
722 | int ret; | |
723 | ||
724 | if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
725 | return -EINVAL; | |
726 | ret = pvr2_hdw_get_cropcap(hdw, cap); | |
727 | cap->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; /* paranoia */ | |
728 | return ret; | |
729 | } | |
730 | ||
731 | static int pvr2_g_crop(struct file *file, void *priv, struct v4l2_crop *crop) | |
732 | { | |
733 | struct pvr2_v4l2_fh *fh = file->private_data; | |
734 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
735 | int val = 0; | |
736 | int ret; | |
737 | ||
738 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
739 | return -EINVAL; | |
740 | ret = pvr2_ctrl_get_value( | |
432907f7 | 741 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), &val); |
c6d26cfe HV |
742 | if (ret != 0) |
743 | return -EINVAL; | |
744 | crop->c.left = val; | |
745 | ret = pvr2_ctrl_get_value( | |
432907f7 | 746 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), &val); |
c6d26cfe HV |
747 | if (ret != 0) |
748 | return -EINVAL; | |
749 | crop->c.top = val; | |
750 | ret = pvr2_ctrl_get_value( | |
432907f7 | 751 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), &val); |
c6d26cfe HV |
752 | if (ret != 0) |
753 | return -EINVAL; | |
754 | crop->c.width = val; | |
755 | ret = pvr2_ctrl_get_value( | |
432907f7 | 756 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), &val); |
c6d26cfe HV |
757 | if (ret != 0) |
758 | return -EINVAL; | |
759 | crop->c.height = val; | |
760 | return 0; | |
761 | } | |
762 | ||
763 | static int pvr2_s_crop(struct file *file, void *priv, struct v4l2_crop *crop) | |
764 | { | |
765 | struct pvr2_v4l2_fh *fh = file->private_data; | |
766 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
c6d26cfe HV |
767 | int ret; |
768 | ||
769 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
770 | return -EINVAL; | |
c6d26cfe | 771 | ret = pvr2_ctrl_set_value( |
432907f7 MI |
772 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), |
773 | crop->c.left); | |
c6d26cfe HV |
774 | if (ret != 0) |
775 | return -EINVAL; | |
776 | ret = pvr2_ctrl_set_value( | |
432907f7 MI |
777 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), |
778 | crop->c.top); | |
c6d26cfe HV |
779 | if (ret != 0) |
780 | return -EINVAL; | |
781 | ret = pvr2_ctrl_set_value( | |
432907f7 MI |
782 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), |
783 | crop->c.width); | |
c6d26cfe HV |
784 | if (ret != 0) |
785 | return -EINVAL; | |
786 | ret = pvr2_ctrl_set_value( | |
432907f7 MI |
787 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), |
788 | crop->c.height); | |
c6d26cfe HV |
789 | if (ret != 0) |
790 | return -EINVAL; | |
791 | return 0; | |
792 | } | |
793 | ||
794 | static int pvr2_log_status(struct file *file, void *priv) | |
795 | { | |
796 | struct pvr2_v4l2_fh *fh = file->private_data; | |
797 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
798 | ||
799 | pvr2_hdw_trigger_module_log(hdw); | |
800 | return 0; | |
801 | } | |
802 | ||
32ffa9ae | 803 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
c6d26cfe HV |
804 | static int pvr2_g_register(struct file *file, void *priv, struct v4l2_dbg_register *req) |
805 | { | |
806 | struct pvr2_v4l2_fh *fh = file->private_data; | |
807 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
808 | u64 val; | |
809 | int ret; | |
d855497e | 810 | |
c6d26cfe HV |
811 | ret = pvr2_hdw_register_access( |
812 | hdw, &req->match, req->reg, | |
813 | 0, &val); | |
814 | req->val = val; | |
815 | return ret; | |
816 | } | |
d855497e | 817 | |
c6d26cfe HV |
818 | static int pvr2_s_register(struct file *file, void *priv, struct v4l2_dbg_register *req) |
819 | { | |
820 | struct pvr2_v4l2_fh *fh = file->private_data; | |
821 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
822 | u64 val; | |
823 | int ret; | |
d855497e | 824 | |
c6d26cfe HV |
825 | val = req->val; |
826 | ret = pvr2_hdw_register_access( | |
827 | hdw, &req->match, req->reg, | |
828 | 1, &val); | |
d855497e MI |
829 | return ret; |
830 | } | |
c6d26cfe HV |
831 | #endif |
832 | ||
833 | static const struct v4l2_ioctl_ops pvr2_ioctl_ops = { | |
834 | .vidioc_querycap = pvr2_querycap, | |
835 | .vidioc_g_priority = pvr2_g_priority, | |
836 | .vidioc_s_priority = pvr2_s_priority, | |
837 | .vidioc_s_audio = pvr2_s_audio, | |
838 | .vidioc_g_audio = pvr2_g_audio, | |
839 | .vidioc_enumaudio = pvr2_enumaudio, | |
840 | .vidioc_enum_input = pvr2_enum_input, | |
841 | .vidioc_cropcap = pvr2_cropcap, | |
842 | .vidioc_s_crop = pvr2_s_crop, | |
843 | .vidioc_g_crop = pvr2_g_crop, | |
844 | .vidioc_g_input = pvr2_g_input, | |
845 | .vidioc_s_input = pvr2_s_input, | |
846 | .vidioc_g_frequency = pvr2_g_frequency, | |
847 | .vidioc_s_frequency = pvr2_s_frequency, | |
848 | .vidioc_s_tuner = pvr2_s_tuner, | |
849 | .vidioc_g_tuner = pvr2_g_tuner, | |
850 | .vidioc_g_std = pvr2_g_std, | |
851 | .vidioc_s_std = pvr2_s_std, | |
0927ee67 | 852 | .vidioc_querystd = pvr2_querystd, |
c6d26cfe HV |
853 | .vidioc_log_status = pvr2_log_status, |
854 | .vidioc_enum_fmt_vid_cap = pvr2_enum_fmt_vid_cap, | |
855 | .vidioc_g_fmt_vid_cap = pvr2_g_fmt_vid_cap, | |
856 | .vidioc_s_fmt_vid_cap = pvr2_s_fmt_vid_cap, | |
857 | .vidioc_try_fmt_vid_cap = pvr2_try_fmt_vid_cap, | |
858 | .vidioc_streamon = pvr2_streamon, | |
859 | .vidioc_streamoff = pvr2_streamoff, | |
860 | .vidioc_queryctrl = pvr2_queryctrl, | |
861 | .vidioc_querymenu = pvr2_querymenu, | |
862 | .vidioc_g_ctrl = pvr2_g_ctrl, | |
863 | .vidioc_s_ctrl = pvr2_s_ctrl, | |
864 | .vidioc_g_ext_ctrls = pvr2_g_ext_ctrls, | |
865 | .vidioc_s_ext_ctrls = pvr2_s_ext_ctrls, | |
866 | .vidioc_try_ext_ctrls = pvr2_try_ext_ctrls, | |
867 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
868 | .vidioc_g_register = pvr2_g_register, | |
869 | .vidioc_s_register = pvr2_s_register, | |
870 | #endif | |
871 | }; | |
d855497e | 872 | |
d855497e MI |
873 | static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip) |
874 | { | |
0f0f257b | 875 | struct pvr2_hdw *hdw = dip->v4lp->channel.mc_head->hdw; |
16eb40d3 | 876 | enum pvr2_config cfg = dip->config; |
d72baad3 MI |
877 | char msg[80]; |
878 | unsigned int mcnt; | |
879 | ||
880 | /* Construct the unregistration message *before* we actually | |
881 | perform the unregistration step. By doing it this way we don't | |
882 | have to worry about potentially touching deleted resources. */ | |
883 | mcnt = scnprintf(msg, sizeof(msg) - 1, | |
884 | "pvrusb2: unregistered device %s [%s]", | |
885 | video_device_node_name(&dip->devbase), | |
886 | pvr2_config_get_name(cfg)); | |
887 | msg[mcnt] = 0; | |
0f0f257b | 888 | |
16eb40d3 | 889 | pvr2_hdw_v4l_store_minor_number(hdw,dip->minor_type,-1); |
75910053 MI |
890 | |
891 | /* Paranoia */ | |
c2625bff RD |
892 | dip->v4lp = NULL; |
893 | dip->stream = NULL; | |
75910053 MI |
894 | |
895 | /* Actual deallocation happens later when all internal references | |
896 | are gone. */ | |
897 | video_unregister_device(&dip->devbase); | |
0f0f257b | 898 | |
d72baad3 | 899 | printk(KERN_INFO "%s\n", msg); |
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 | ||
c6d26cfe HV |
954 | struct pvr2_v4l2_fh *fh = file->private_data; |
955 | struct pvr2_v4l2 *vp = fh->vhead; | |
956 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
957 | long ret = -EINVAL; | |
958 | ||
959 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) | |
4a085168 | 960 | v4l_printk_ioctl(pvr2_hdw_get_driver_name(hdw), cmd); |
c6d26cfe HV |
961 | |
962 | if (!pvr2_hdw_dev_ok(hdw)) { | |
963 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
964 | "ioctl failed - bad or no context"); | |
965 | return -EFAULT; | |
966 | } | |
967 | ||
968 | /* check priority */ | |
969 | switch (cmd) { | |
970 | case VIDIOC_S_CTRL: | |
971 | case VIDIOC_S_STD: | |
972 | case VIDIOC_S_INPUT: | |
973 | case VIDIOC_S_TUNER: | |
974 | case VIDIOC_S_FREQUENCY: | |
975 | ret = v4l2_prio_check(&vp->prio, fh->prio); | |
976 | if (ret) | |
977 | return ret; | |
978 | } | |
979 | ||
980 | ret = video_ioctl2(file, cmd, arg); | |
981 | ||
982 | pvr2_hdw_commit_ctl(hdw); | |
983 | ||
984 | if (ret < 0) { | |
985 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { | |
986 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
987 | "pvr2_v4l2_do_ioctl failure, ret=%ld", ret); | |
988 | } else { | |
989 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { | |
990 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
991 | "pvr2_v4l2_do_ioctl failure, ret=%ld" | |
992 | " command was:", ret); | |
4a085168 | 993 | v4l_printk_ioctl(pvr2_hdw_get_driver_name(hdw), |
c6d26cfe HV |
994 | cmd); |
995 | } | |
996 | } | |
997 | } else { | |
998 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
999 | "pvr2_v4l2_do_ioctl complete, ret=%ld (0x%lx)", | |
1000 | ret, ret); | |
1001 | } | |
1002 | return ret; | |
1003 | ||
d855497e MI |
1004 | } |
1005 | ||
1006 | ||
bec43661 | 1007 | static int pvr2_v4l2_release(struct file *file) |
d855497e MI |
1008 | { |
1009 | struct pvr2_v4l2_fh *fhp = file->private_data; | |
1010 | struct pvr2_v4l2 *vp = fhp->vhead; | |
c74e0062 | 1011 | struct pvr2_hdw *hdw = fhp->channel.mc_head->hdw; |
d855497e MI |
1012 | |
1013 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_release"); | |
1014 | ||
1015 | if (fhp->rhp) { | |
1016 | struct pvr2_stream *sp; | |
d855497e MI |
1017 | pvr2_hdw_set_streaming(hdw,0); |
1018 | sp = pvr2_ioread_get_stream(fhp->rhp); | |
a0fd1cb1 | 1019 | if (sp) pvr2_stream_set_callback(sp,NULL,NULL); |
d855497e | 1020 | pvr2_ioread_destroy(fhp->rhp); |
a0fd1cb1 | 1021 | fhp->rhp = NULL; |
d855497e | 1022 | } |
ae2b9e25 | 1023 | |
ffb4877b | 1024 | v4l2_prio_close(&vp->prio, fhp->prio); |
d855497e MI |
1025 | file->private_data = NULL; |
1026 | ||
794b1607 MI |
1027 | if (fhp->vnext) { |
1028 | fhp->vnext->vprev = fhp->vprev; | |
1029 | } else { | |
1030 | vp->vlast = fhp->vprev; | |
1031 | } | |
1032 | if (fhp->vprev) { | |
1033 | fhp->vprev->vnext = fhp->vnext; | |
1034 | } else { | |
1035 | vp->vfirst = fhp->vnext; | |
1036 | } | |
1037 | fhp->vnext = NULL; | |
1038 | fhp->vprev = NULL; | |
1039 | fhp->vhead = NULL; | |
1040 | pvr2_channel_done(&fhp->channel); | |
1041 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1042 | "Destroying pvr_v4l2_fh id=%p",fhp); | |
e57b1c80 MI |
1043 | if (fhp->input_map) { |
1044 | kfree(fhp->input_map); | |
1045 | fhp->input_map = NULL; | |
1046 | } | |
794b1607 MI |
1047 | kfree(fhp); |
1048 | if (vp->channel.mc_head->disconnect_flag && !vp->vfirst) { | |
1049 | pvr2_v4l2_destroy_no_lock(vp); | |
1050 | } | |
d855497e MI |
1051 | return 0; |
1052 | } | |
1053 | ||
1054 | ||
bec43661 | 1055 | static int pvr2_v4l2_open(struct file *file) |
d855497e | 1056 | { |
75910053 | 1057 | struct pvr2_v4l2_dev *dip; /* Our own context pointer */ |
d855497e MI |
1058 | struct pvr2_v4l2_fh *fhp; |
1059 | struct pvr2_v4l2 *vp; | |
1060 | struct pvr2_hdw *hdw; | |
1cb03b76 | 1061 | unsigned int input_mask = 0; |
e57b1c80 | 1062 | unsigned int input_cnt,idx; |
1cb03b76 | 1063 | int ret = 0; |
d855497e | 1064 | |
75910053 | 1065 | dip = container_of(video_devdata(file),struct pvr2_v4l2_dev,devbase); |
d855497e MI |
1066 | |
1067 | vp = dip->v4lp; | |
1068 | hdw = vp->channel.hdw; | |
1069 | ||
1070 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_open"); | |
1071 | ||
1072 | if (!pvr2_hdw_dev_ok(hdw)) { | |
1073 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE, | |
1074 | "pvr2_v4l2_open: hardware not ready"); | |
1075 | return -EIO; | |
1076 | } | |
1077 | ||
4b85dee6 | 1078 | fhp = kzalloc(sizeof(*fhp),GFP_KERNEL); |
d855497e MI |
1079 | if (!fhp) { |
1080 | return -ENOMEM; | |
1081 | } | |
d855497e MI |
1082 | |
1083 | init_waitqueue_head(&fhp->wait_data); | |
108bdd7a | 1084 | fhp->pdi = dip; |
d855497e | 1085 | |
794b1607 MI |
1086 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr_v4l2_fh id=%p",fhp); |
1087 | pvr2_channel_init(&fhp->channel,vp->channel.mc_head); | |
ae2b9e25 | 1088 | |
1cb03b76 MI |
1089 | if (dip->v4l_type == VFL_TYPE_RADIO) { |
1090 | /* Opening device as a radio, legal input selection subset | |
1091 | is just the radio. */ | |
1092 | input_mask = (1 << PVR2_CVAL_INPUT_RADIO); | |
1093 | } else { | |
1094 | /* Opening the main V4L device, legal input selection | |
1095 | subset includes all analog inputs. */ | |
1096 | input_mask = ((1 << PVR2_CVAL_INPUT_RADIO) | | |
1097 | (1 << PVR2_CVAL_INPUT_TV) | | |
1098 | (1 << PVR2_CVAL_INPUT_COMPOSITE) | | |
1099 | (1 << PVR2_CVAL_INPUT_SVIDEO)); | |
1100 | } | |
1101 | ret = pvr2_channel_limit_inputs(&fhp->channel,input_mask); | |
1102 | if (ret) { | |
1103 | pvr2_channel_done(&fhp->channel); | |
1104 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1105 | "Destroying pvr_v4l2_fh id=%p (input mask error)", | |
1106 | fhp); | |
1107 | ||
1108 | kfree(fhp); | |
1109 | return ret; | |
1110 | } | |
1111 | ||
e57b1c80 MI |
1112 | input_mask &= pvr2_hdw_get_input_available(hdw); |
1113 | input_cnt = 0; | |
1114 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1115 | if (input_mask & (1 << idx)) input_cnt++; | |
1116 | } | |
1117 | fhp->input_cnt = input_cnt; | |
1118 | fhp->input_map = kzalloc(input_cnt,GFP_KERNEL); | |
1119 | if (!fhp->input_map) { | |
1120 | pvr2_channel_done(&fhp->channel); | |
1121 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1122 | "Destroying pvr_v4l2_fh id=%p (input map failure)", | |
1123 | fhp); | |
1124 | kfree(fhp); | |
1125 | return -ENOMEM; | |
1126 | } | |
1127 | input_cnt = 0; | |
1128 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1129 | if (!(input_mask & (1 << idx))) continue; | |
1130 | fhp->input_map[input_cnt++] = idx; | |
1131 | } | |
1132 | ||
794b1607 MI |
1133 | fhp->vnext = NULL; |
1134 | fhp->vprev = vp->vlast; | |
1135 | if (vp->vlast) { | |
1136 | vp->vlast->vnext = fhp; | |
1137 | } else { | |
1138 | vp->vfirst = fhp; | |
1139 | } | |
1140 | vp->vlast = fhp; | |
1141 | fhp->vhead = vp; | |
1142 | ||
d855497e MI |
1143 | fhp->file = file; |
1144 | file->private_data = fhp; | |
ffb4877b | 1145 | v4l2_prio_open(&vp->prio, &fhp->prio); |
d855497e MI |
1146 | |
1147 | fhp->fw_mode_flag = pvr2_hdw_cpufw_get_enabled(hdw); | |
1148 | ||
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | ||
1153 | static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp) | |
1154 | { | |
1155 | wake_up(&fhp->wait_data); | |
1156 | } | |
1157 | ||
1158 | static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh) | |
1159 | { | |
1160 | int ret; | |
1161 | struct pvr2_stream *sp; | |
1162 | struct pvr2_hdw *hdw; | |
1163 | if (fh->rhp) return 0; | |
1164 | ||
108bdd7a | 1165 | if (!fh->pdi->stream) { |
16eb40d3 MI |
1166 | /* No stream defined for this node. This means that we're |
1167 | not currently allowed to stream from this node. */ | |
1168 | return -EPERM; | |
1169 | } | |
1170 | ||
d855497e MI |
1171 | /* First read() attempt. Try to claim the stream and start |
1172 | it... */ | |
1173 | if ((ret = pvr2_channel_claim_stream(&fh->channel, | |
108bdd7a | 1174 | fh->pdi->stream)) != 0) { |
d855497e MI |
1175 | /* Someone else must already have it */ |
1176 | return ret; | |
1177 | } | |
1178 | ||
108bdd7a | 1179 | fh->rhp = pvr2_channel_create_mpeg_stream(fh->pdi->stream); |
d855497e | 1180 | if (!fh->rhp) { |
a0fd1cb1 | 1181 | pvr2_channel_claim_stream(&fh->channel,NULL); |
d855497e MI |
1182 | return -ENOMEM; |
1183 | } | |
1184 | ||
1185 | hdw = fh->channel.mc_head->hdw; | |
108bdd7a | 1186 | sp = fh->pdi->stream->stream; |
d855497e | 1187 | pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh); |
108bdd7a | 1188 | pvr2_hdw_set_stream_type(hdw,fh->pdi->config); |
681c7399 MI |
1189 | if ((ret = pvr2_hdw_set_streaming(hdw,!0)) < 0) return ret; |
1190 | return pvr2_ioread_set_enabled(fh->rhp,!0); | |
d855497e MI |
1191 | } |
1192 | ||
1193 | ||
1194 | static ssize_t pvr2_v4l2_read(struct file *file, | |
1195 | char __user *buff, size_t count, loff_t *ppos) | |
1196 | { | |
1197 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1198 | int ret; | |
1199 | ||
1200 | if (fh->fw_mode_flag) { | |
1201 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
1202 | char *tbuf; | |
1203 | int c1,c2; | |
1204 | int tcnt = 0; | |
1205 | unsigned int offs = *ppos; | |
1206 | ||
1207 | tbuf = kmalloc(PAGE_SIZE,GFP_KERNEL); | |
1208 | if (!tbuf) return -ENOMEM; | |
1209 | ||
1210 | while (count) { | |
1211 | c1 = count; | |
1212 | if (c1 > PAGE_SIZE) c1 = PAGE_SIZE; | |
1213 | c2 = pvr2_hdw_cpufw_get(hdw,offs,tbuf,c1); | |
1214 | if (c2 < 0) { | |
1215 | tcnt = c2; | |
1216 | break; | |
1217 | } | |
1218 | if (!c2) break; | |
1219 | if (copy_to_user(buff,tbuf,c2)) { | |
1220 | tcnt = -EFAULT; | |
1221 | break; | |
1222 | } | |
1223 | offs += c2; | |
1224 | tcnt += c2; | |
1225 | buff += c2; | |
1226 | count -= c2; | |
1227 | *ppos += c2; | |
1228 | } | |
1229 | kfree(tbuf); | |
1230 | return tcnt; | |
1231 | } | |
1232 | ||
1233 | if (!fh->rhp) { | |
1234 | ret = pvr2_v4l2_iosetup(fh); | |
1235 | if (ret) { | |
1236 | return ret; | |
1237 | } | |
1238 | } | |
1239 | ||
1240 | for (;;) { | |
1241 | ret = pvr2_ioread_read(fh->rhp,buff,count); | |
1242 | if (ret >= 0) break; | |
1243 | if (ret != -EAGAIN) break; | |
1244 | if (file->f_flags & O_NONBLOCK) break; | |
1245 | /* Doing blocking I/O. Wait here. */ | |
1246 | ret = wait_event_interruptible( | |
1247 | fh->wait_data, | |
1248 | pvr2_ioread_avail(fh->rhp) >= 0); | |
1249 | if (ret < 0) break; | |
1250 | } | |
1251 | ||
1252 | return ret; | |
1253 | } | |
1254 | ||
1255 | ||
1256 | static unsigned int pvr2_v4l2_poll(struct file *file, poll_table *wait) | |
1257 | { | |
1258 | unsigned int mask = 0; | |
1259 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1260 | int ret; | |
1261 | ||
1262 | if (fh->fw_mode_flag) { | |
1263 | mask |= POLLIN | POLLRDNORM; | |
1264 | return mask; | |
1265 | } | |
1266 | ||
1267 | if (!fh->rhp) { | |
1268 | ret = pvr2_v4l2_iosetup(fh); | |
1269 | if (ret) return POLLERR; | |
1270 | } | |
1271 | ||
1272 | poll_wait(file,&fh->wait_data,wait); | |
1273 | ||
1274 | if (pvr2_ioread_avail(fh->rhp) >= 0) { | |
1275 | mask |= POLLIN | POLLRDNORM; | |
1276 | } | |
1277 | ||
1278 | return mask; | |
1279 | } | |
1280 | ||
1281 | ||
bec43661 | 1282 | static const struct v4l2_file_operations vdev_fops = { |
d855497e MI |
1283 | .owner = THIS_MODULE, |
1284 | .open = pvr2_v4l2_open, | |
1285 | .release = pvr2_v4l2_release, | |
1286 | .read = pvr2_v4l2_read, | |
1287 | .ioctl = pvr2_v4l2_ioctl, | |
d855497e MI |
1288 | .poll = pvr2_v4l2_poll, |
1289 | }; | |
1290 | ||
1291 | ||
d855497e | 1292 | static struct video_device vdev_template = { |
d855497e MI |
1293 | .fops = &vdev_fops, |
1294 | }; | |
1295 | ||
1296 | ||
1297 | static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip, | |
1298 | struct pvr2_v4l2 *vp, | |
16eb40d3 | 1299 | int v4l_type) |
d855497e | 1300 | { |
4a89baa2 | 1301 | struct usb_device *usbdev; |
d855497e MI |
1302 | int mindevnum; |
1303 | int unit_number; | |
598e978a | 1304 | struct pvr2_hdw *hdw; |
89952d13 | 1305 | int *nr_ptr = NULL; |
d855497e | 1306 | dip->v4lp = vp; |
d855497e | 1307 | |
598e978a MI |
1308 | hdw = vp->channel.mc_head->hdw; |
1309 | usbdev = pvr2_hdw_get_dev(hdw); | |
16eb40d3 MI |
1310 | dip->v4l_type = v4l_type; |
1311 | switch (v4l_type) { | |
1312 | case VFL_TYPE_GRABBER: | |
d855497e | 1313 | dip->stream = &vp->channel.mc_head->video_stream; |
16eb40d3 MI |
1314 | dip->config = pvr2_config_mpeg; |
1315 | dip->minor_type = pvr2_v4l_type_video; | |
1316 | nr_ptr = video_nr; | |
c74e0062 | 1317 | if (!dip->stream) { |
be9ed511 MCC |
1318 | pr_err(KBUILD_MODNAME |
1319 | ": Failed to set up pvrusb2 v4l video dev" | |
1320 | " due to missing stream instance\n"); | |
c74e0062 MI |
1321 | return; |
1322 | } | |
d855497e | 1323 | break; |
16eb40d3 MI |
1324 | case VFL_TYPE_VBI: |
1325 | dip->config = pvr2_config_vbi; | |
1326 | dip->minor_type = pvr2_v4l_type_vbi; | |
1327 | nr_ptr = vbi_nr; | |
d855497e | 1328 | break; |
16eb40d3 | 1329 | case VFL_TYPE_RADIO: |
af78a48b MI |
1330 | dip->stream = &vp->channel.mc_head->video_stream; |
1331 | dip->config = pvr2_config_mpeg; | |
16eb40d3 MI |
1332 | dip->minor_type = pvr2_v4l_type_radio; |
1333 | nr_ptr = radio_nr; | |
d855497e MI |
1334 | break; |
1335 | default: | |
1336 | /* Bail out (this should be impossible) */ | |
be9ed511 MCC |
1337 | pr_err(KBUILD_MODNAME ": Failed to set up pvrusb2 v4l dev" |
1338 | " due to unrecognized config\n"); | |
d855497e MI |
1339 | return; |
1340 | } | |
1341 | ||
75910053 MI |
1342 | memcpy(&dip->devbase,&vdev_template,sizeof(vdev_template)); |
1343 | dip->devbase.release = pvr2_video_device_release; | |
c6d26cfe | 1344 | dip->devbase.ioctl_ops = &pvr2_ioctl_ops; |
d8329f8e MI |
1345 | { |
1346 | int val; | |
1347 | pvr2_ctrl_get_value( | |
598e978a | 1348 | pvr2_hdw_get_ctrl_by_id(hdw, |
d8329f8e MI |
1349 | PVR2_CID_STDAVAIL), &val); |
1350 | dip->devbase.tvnorms = (v4l2_std_id)val; | |
1351 | } | |
d855497e MI |
1352 | |
1353 | mindevnum = -1; | |
598e978a | 1354 | unit_number = pvr2_hdw_get_unit_number(hdw); |
16eb40d3 MI |
1355 | if (nr_ptr && (unit_number >= 0) && (unit_number < PVR_NUM)) { |
1356 | mindevnum = nr_ptr[unit_number]; | |
d855497e | 1357 | } |
4a89baa2 | 1358 | dip->devbase.parent = &usbdev->dev; |
16eb40d3 MI |
1359 | if ((video_register_device(&dip->devbase, |
1360 | dip->v4l_type, mindevnum) < 0) && | |
1361 | (video_register_device(&dip->devbase, | |
1362 | dip->v4l_type, -1) < 0)) { | |
be9ed511 MCC |
1363 | pr_err(KBUILD_MODNAME |
1364 | ": Failed to register pvrusb2 v4l device\n"); | |
ae2b9e25 | 1365 | } |
16eb40d3 | 1366 | |
38c7c036 LP |
1367 | printk(KERN_INFO "pvrusb2: registered device %s [%s]\n", |
1368 | video_device_node_name(&dip->devbase), | |
16eb40d3 | 1369 | pvr2_config_get_name(dip->config)); |
d855497e | 1370 | |
598e978a | 1371 | pvr2_hdw_v4l_store_minor_number(hdw, |
16eb40d3 | 1372 | dip->minor_type,dip->devbase.minor); |
d855497e MI |
1373 | } |
1374 | ||
1375 | ||
1376 | struct pvr2_v4l2 *pvr2_v4l2_create(struct pvr2_context *mnp) | |
1377 | { | |
1378 | struct pvr2_v4l2 *vp; | |
1379 | ||
4b85dee6 | 1380 | vp = kzalloc(sizeof(*vp),GFP_KERNEL); |
d855497e | 1381 | if (!vp) return vp; |
d855497e MI |
1382 | pvr2_channel_init(&vp->channel,mnp); |
1383 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr2_v4l2 id=%p",vp); | |
1384 | ||
1385 | vp->channel.check_func = pvr2_v4l2_internal_check; | |
1386 | ||
1387 | /* register streams */ | |
beb0ecd7 MI |
1388 | vp->dev_video = kzalloc(sizeof(*vp->dev_video),GFP_KERNEL); |
1389 | if (!vp->dev_video) goto fail; | |
16eb40d3 | 1390 | pvr2_v4l2_dev_init(vp->dev_video,vp,VFL_TYPE_GRABBER); |
e57b1c80 MI |
1391 | if (pvr2_hdw_get_input_available(vp->channel.mc_head->hdw) & |
1392 | (1 << PVR2_CVAL_INPUT_RADIO)) { | |
beb0ecd7 MI |
1393 | vp->dev_radio = kzalloc(sizeof(*vp->dev_radio),GFP_KERNEL); |
1394 | if (!vp->dev_radio) goto fail; | |
1395 | pvr2_v4l2_dev_init(vp->dev_radio,vp,VFL_TYPE_RADIO); | |
1396 | } | |
d855497e MI |
1397 | |
1398 | return vp; | |
beb0ecd7 MI |
1399 | fail: |
1400 | pvr2_trace(PVR2_TRACE_STRUCT,"Failure creating pvr2_v4l2 id=%p",vp); | |
1401 | pvr2_v4l2_destroy_no_lock(vp); | |
a6a3a17b | 1402 | return NULL; |
d855497e MI |
1403 | } |
1404 | ||
1405 | /* | |
1406 | Stuff for Emacs to see, in order to encourage consistent editing style: | |
1407 | *** Local Variables: *** | |
1408 | *** mode: c *** | |
1409 | *** fill-column: 75 *** | |
1410 | *** tab-width: 8 *** | |
1411 | *** c-basic-offset: 8 *** | |
1412 | *** End: *** | |
1413 | */ |