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> |
d855497e MI |
24 | #include "pvrusb2-context.h" |
25 | #include "pvrusb2-hdw.h" | |
26 | #include "pvrusb2.h" | |
27 | #include "pvrusb2-debug.h" | |
28 | #include "pvrusb2-v4l2.h" | |
29 | #include "pvrusb2-ioread.h" | |
30 | #include <linux/videodev2.h> | |
7a707b89 | 31 | #include <linux/module.h> |
43e06022 | 32 | #include <media/v4l2-dev.h> |
a28fbd04 | 33 | #include <media/v4l2-device.h> |
cee05cb3 | 34 | #include <media/v4l2-fh.h> |
d855497e | 35 | #include <media/v4l2-common.h> |
35ea11ff | 36 | #include <media/v4l2-ioctl.h> |
d855497e MI |
37 | |
38 | struct pvr2_v4l2_dev; | |
39 | struct pvr2_v4l2_fh; | |
40 | struct pvr2_v4l2; | |
41 | ||
d855497e | 42 | struct pvr2_v4l2_dev { |
75910053 | 43 | struct video_device devbase; /* MUST be first! */ |
d855497e | 44 | struct pvr2_v4l2 *v4lp; |
d855497e | 45 | struct pvr2_context_stream *stream; |
16eb40d3 MI |
46 | /* Information about this device: */ |
47 | enum pvr2_config config; /* Expected stream format */ | |
48 | int v4l_type; /* V4L defined type for this device node */ | |
49 | enum pvr2_v4l_type minor_type; /* pvr2-understood minor device type */ | |
d855497e MI |
50 | }; |
51 | ||
52 | struct pvr2_v4l2_fh { | |
cee05cb3 | 53 | struct v4l2_fh fh; |
d855497e | 54 | struct pvr2_channel channel; |
108bdd7a | 55 | struct pvr2_v4l2_dev *pdi; |
d855497e MI |
56 | struct pvr2_ioread *rhp; |
57 | struct file *file; | |
d855497e MI |
58 | wait_queue_head_t wait_data; |
59 | int fw_mode_flag; | |
e57b1c80 MI |
60 | /* Map contiguous ordinal value to input id */ |
61 | unsigned char *input_map; | |
62 | unsigned int input_cnt; | |
d855497e MI |
63 | }; |
64 | ||
65 | struct pvr2_v4l2 { | |
66 | struct pvr2_channel channel; | |
d855497e | 67 | |
0f0f257b MI |
68 | /* streams - Note that these must be separately, individually, |
69 | * allocated pointers. This is because the v4l core is going to | |
70 | * manage their deletion - separately, individually... */ | |
71 | struct pvr2_v4l2_dev *dev_video; | |
72 | struct pvr2_v4l2_dev *dev_radio; | |
d855497e MI |
73 | }; |
74 | ||
75 | static int video_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
76 | module_param_array(video_nr, int, NULL, 0444); | |
5e6862ce MI |
77 | MODULE_PARM_DESC(video_nr, "Offset for device's video dev minor"); |
78 | static int radio_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
79 | module_param_array(radio_nr, int, NULL, 0444); | |
80 | MODULE_PARM_DESC(radio_nr, "Offset for device's radio dev minor"); | |
81 | static int vbi_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
82 | module_param_array(vbi_nr, int, NULL, 0444); | |
83 | MODULE_PARM_DESC(vbi_nr, "Offset for device's vbi dev minor"); | |
d855497e | 84 | |
07e337ee | 85 | static struct v4l2_fmtdesc pvr_fmtdesc [] = { |
d855497e MI |
86 | { |
87 | .index = 0, | |
88 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
89 | .flags = V4L2_FMT_FLAG_COMPRESSED, | |
90 | .description = "MPEG1/2", | |
91 | // This should really be V4L2_PIX_FMT_MPEG, but xawtv | |
92 | // breaks when I do that. | |
93 | .pixelformat = 0, // V4L2_PIX_FMT_MPEG, | |
d855497e MI |
94 | } |
95 | }; | |
96 | ||
97 | #define PVR_FORMAT_PIX 0 | |
98 | #define PVR_FORMAT_VBI 1 | |
99 | ||
07e337ee | 100 | static struct v4l2_format pvr_format [] = { |
d855497e MI |
101 | [PVR_FORMAT_PIX] = { |
102 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
103 | .fmt = { | |
104 | .pix = { | |
105 | .width = 720, | |
106 | .height = 576, | |
107 | // This should really be V4L2_PIX_FMT_MPEG, | |
108 | // but xawtv breaks when I do that. | |
109 | .pixelformat = 0, // V4L2_PIX_FMT_MPEG, | |
110 | .field = V4L2_FIELD_INTERLACED, | |
111 | .bytesperline = 0, // doesn't make sense | |
112 | // here | |
113 | //FIXME : Don't know what to put here... | |
114 | .sizeimage = (32*1024), | |
115 | .colorspace = 0, // doesn't make sense here | |
116 | .priv = 0 | |
117 | } | |
118 | } | |
119 | }, | |
120 | [PVR_FORMAT_VBI] = { | |
121 | .type = V4L2_BUF_TYPE_VBI_CAPTURE, | |
122 | .fmt = { | |
123 | .vbi = { | |
124 | .sampling_rate = 27000000, | |
125 | .offset = 248, | |
126 | .samples_per_line = 1443, | |
127 | .sample_format = V4L2_PIX_FMT_GREY, | |
128 | .start = { 0, 0 }, | |
129 | .count = { 0, 0 }, | |
130 | .flags = 0, | |
d855497e MI |
131 | } |
132 | } | |
133 | } | |
134 | }; | |
135 | ||
16eb40d3 | 136 | |
c6d26cfe | 137 | |
d855497e | 138 | /* |
c6d26cfe | 139 | * This is part of Video 4 Linux API. These procedures handle ioctl() calls. |
d855497e | 140 | */ |
c6d26cfe | 141 | static int pvr2_querycap(struct file *file, void *priv, struct v4l2_capability *cap) |
d855497e MI |
142 | { |
143 | struct pvr2_v4l2_fh *fh = file->private_data; | |
d855497e | 144 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; |
d855497e | 145 | |
42639f6d | 146 | strlcpy(cap->driver, "pvrusb2", sizeof(cap->driver)); |
c6d26cfe HV |
147 | strlcpy(cap->bus_info, pvr2_hdw_get_bus_info(hdw), |
148 | sizeof(cap->bus_info)); | |
149 | strlcpy(cap->card, pvr2_hdw_get_desc(hdw), sizeof(cap->card)); | |
42639f6d HV |
150 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | |
151 | V4L2_CAP_AUDIO | V4L2_CAP_RADIO | | |
152 | V4L2_CAP_READWRITE | V4L2_CAP_DEVICE_CAPS; | |
153 | switch (fh->pdi->devbase.vfl_type) { | |
154 | case VFL_TYPE_GRABBER: | |
155 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO; | |
156 | break; | |
157 | case VFL_TYPE_RADIO: | |
158 | cap->device_caps = V4L2_CAP_RADIO; | |
159 | break; | |
160 | } | |
161 | cap->device_caps |= V4L2_CAP_TUNER | V4L2_CAP_READWRITE; | |
c6d26cfe HV |
162 | return 0; |
163 | } | |
d855497e | 164 | |
c6d26cfe HV |
165 | static int pvr2_g_std(struct file *file, void *priv, v4l2_std_id *std) |
166 | { | |
167 | struct pvr2_v4l2_fh *fh = file->private_data; | |
168 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
169 | int val = 0; | |
170 | int ret; | |
d855497e | 171 | |
c6d26cfe HV |
172 | ret = pvr2_ctrl_get_value( |
173 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_STDCUR), &val); | |
174 | *std = val; | |
175 | return ret; | |
176 | } | |
d855497e | 177 | |
314527ac | 178 | static int pvr2_s_std(struct file *file, void *priv, v4l2_std_id std) |
c6d26cfe HV |
179 | { |
180 | struct pvr2_v4l2_fh *fh = file->private_data; | |
181 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
d855497e | 182 | |
c6d26cfe | 183 | return pvr2_ctrl_set_value( |
314527ac | 184 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_STDCUR), std); |
c6d26cfe | 185 | } |
d855497e | 186 | |
0927ee67 MI |
187 | static int pvr2_querystd(struct file *file, void *priv, v4l2_std_id *std) |
188 | { | |
189 | struct pvr2_v4l2_fh *fh = file->private_data; | |
190 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
ac04d00e MI |
191 | int val = 0; |
192 | int ret; | |
0927ee67 | 193 | |
ac04d00e MI |
194 | ret = pvr2_ctrl_get_value( |
195 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_STDDETECT), &val); | |
196 | *std = val; | |
197 | return ret; | |
0927ee67 MI |
198 | } |
199 | ||
c6d26cfe HV |
200 | static int pvr2_enum_input(struct file *file, void *priv, struct v4l2_input *vi) |
201 | { | |
202 | struct pvr2_v4l2_fh *fh = file->private_data; | |
203 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
204 | struct pvr2_ctrl *cptr; | |
205 | struct v4l2_input tmp; | |
206 | unsigned int cnt; | |
207 | int val; | |
7383a473 | 208 | |
c6d26cfe HV |
209 | cptr = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT); |
210 | ||
211 | memset(&tmp, 0, sizeof(tmp)); | |
212 | tmp.index = vi->index; | |
c6d26cfe HV |
213 | if (vi->index >= fh->input_cnt) |
214 | return -EINVAL; | |
215 | val = fh->input_map[vi->index]; | |
216 | switch (val) { | |
217 | case PVR2_CVAL_INPUT_TV: | |
218 | case PVR2_CVAL_INPUT_DTV: | |
219 | case PVR2_CVAL_INPUT_RADIO: | |
220 | tmp.type = V4L2_INPUT_TYPE_TUNER; | |
d855497e | 221 | break; |
c6d26cfe HV |
222 | case PVR2_CVAL_INPUT_SVIDEO: |
223 | case PVR2_CVAL_INPUT_COMPOSITE: | |
224 | tmp.type = V4L2_INPUT_TYPE_CAMERA; | |
d855497e | 225 | break; |
c6d26cfe HV |
226 | default: |
227 | return -EINVAL; | |
d855497e MI |
228 | } |
229 | ||
c6d26cfe HV |
230 | cnt = 0; |
231 | pvr2_ctrl_get_valname(cptr, val, | |
232 | tmp.name, sizeof(tmp.name) - 1, &cnt); | |
233 | tmp.name[cnt] = 0; | |
d855497e | 234 | |
c6d26cfe HV |
235 | /* Don't bother with audioset, since this driver currently |
236 | always switches the audio whenever the video is | |
237 | switched. */ | |
d855497e | 238 | |
c6d26cfe HV |
239 | /* Handling std is a tougher problem. It doesn't make |
240 | sense in cases where a device might be multi-standard. | |
241 | We could just copy out the current value for the | |
242 | standard, but it can change over time. For now just | |
243 | leave it zero. */ | |
244 | *vi = tmp; | |
245 | return 0; | |
246 | } | |
d855497e | 247 | |
c6d26cfe HV |
248 | static int pvr2_g_input(struct file *file, void *priv, unsigned int *i) |
249 | { | |
250 | struct pvr2_v4l2_fh *fh = file->private_data; | |
251 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
252 | unsigned int idx; | |
253 | struct pvr2_ctrl *cptr; | |
254 | int val; | |
255 | int ret; | |
d855497e | 256 | |
c6d26cfe HV |
257 | cptr = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT); |
258 | val = 0; | |
259 | ret = pvr2_ctrl_get_value(cptr, &val); | |
260 | *i = 0; | |
261 | for (idx = 0; idx < fh->input_cnt; idx++) { | |
262 | if (fh->input_map[idx] == val) { | |
263 | *i = idx; | |
beb0ecd7 MI |
264 | break; |
265 | } | |
d855497e | 266 | } |
c6d26cfe HV |
267 | return ret; |
268 | } | |
d855497e | 269 | |
c6d26cfe HV |
270 | static int pvr2_s_input(struct file *file, void *priv, unsigned int inp) |
271 | { | |
272 | struct pvr2_v4l2_fh *fh = file->private_data; | |
273 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
d855497e | 274 | |
c6d26cfe HV |
275 | if (inp >= fh->input_cnt) |
276 | return -EINVAL; | |
277 | return pvr2_ctrl_set_value( | |
278 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT), | |
279 | fh->input_map[inp]); | |
280 | } | |
d855497e | 281 | |
c6d26cfe HV |
282 | static int pvr2_enumaudio(struct file *file, void *priv, struct v4l2_audio *vin) |
283 | { | |
284 | /* pkt: FIXME: We are returning one "fake" input here | |
285 | which could very well be called "whatever_we_like". | |
286 | This is for apps that want to see an audio input | |
287 | just to feel comfortable, as well as to test if | |
288 | it can do stereo or sth. There is actually no guarantee | |
289 | that the actual audio input cannot change behind the app's | |
290 | back, but most applications should not mind that either. | |
291 | ||
292 | Hopefully, mplayer people will work with us on this (this | |
293 | whole mess is to support mplayer pvr://), or Hans will come | |
294 | up with a more standard way to say "we have inputs but we | |
295 | don 't want you to change them independent of video" which | |
296 | will sort this mess. | |
297 | */ | |
298 | ||
299 | if (vin->index > 0) | |
300 | return -EINVAL; | |
301 | strncpy(vin->name, "PVRUSB2 Audio", 14); | |
302 | vin->capability = V4L2_AUDCAP_STEREO; | |
303 | return 0; | |
304 | } | |
5cc1dd8c | 305 | |
c6d26cfe HV |
306 | static int pvr2_g_audio(struct file *file, void *priv, struct v4l2_audio *vin) |
307 | { | |
308 | /* pkt: FIXME: see above comment (VIDIOC_ENUMAUDIO) */ | |
309 | vin->index = 0; | |
310 | strncpy(vin->name, "PVRUSB2 Audio", 14); | |
311 | vin->capability = V4L2_AUDCAP_STEREO; | |
312 | return 0; | |
313 | } | |
5cc1dd8c | 314 | |
0e8025b9 | 315 | static int pvr2_s_audio(struct file *file, void *priv, const struct v4l2_audio *vout) |
c6d26cfe HV |
316 | { |
317 | if (vout->index) | |
318 | return -EINVAL; | |
319 | return 0; | |
320 | } | |
d855497e | 321 | |
c6d26cfe HV |
322 | static int pvr2_g_tuner(struct file *file, void *priv, struct v4l2_tuner *vt) |
323 | { | |
324 | struct pvr2_v4l2_fh *fh = file->private_data; | |
325 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
d855497e | 326 | |
c6d26cfe HV |
327 | if (vt->index != 0) |
328 | return -EINVAL; /* Only answer for the 1st tuner */ | |
d855497e | 329 | |
c6d26cfe HV |
330 | pvr2_hdw_execute_tuner_poll(hdw); |
331 | return pvr2_hdw_get_tuner_status(hdw, vt); | |
332 | } | |
333 | ||
2f73c7c5 | 334 | static int pvr2_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *vt) |
c6d26cfe HV |
335 | { |
336 | struct pvr2_v4l2_fh *fh = file->private_data; | |
337 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
338 | ||
339 | if (vt->index != 0) | |
340 | return -EINVAL; | |
341 | ||
342 | return pvr2_ctrl_set_value( | |
343 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_AUDIOMODE), | |
d855497e | 344 | vt->audmode); |
c6d26cfe | 345 | } |
d855497e | 346 | |
b530a447 | 347 | static int pvr2_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *vf) |
c6d26cfe HV |
348 | { |
349 | struct pvr2_v4l2_fh *fh = file->private_data; | |
350 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
351 | unsigned long fv; | |
352 | struct v4l2_tuner vt; | |
353 | int cur_input; | |
354 | struct pvr2_ctrl *ctrlp; | |
355 | int ret; | |
356 | ||
357 | ret = pvr2_hdw_get_tuner_status(hdw, &vt); | |
358 | if (ret != 0) | |
359 | return ret; | |
360 | ctrlp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT); | |
361 | ret = pvr2_ctrl_get_value(ctrlp, &cur_input); | |
362 | if (ret != 0) | |
363 | return ret; | |
364 | if (vf->type == V4L2_TUNER_RADIO) { | |
365 | if (cur_input != PVR2_CVAL_INPUT_RADIO) | |
366 | pvr2_ctrl_set_value(ctrlp, PVR2_CVAL_INPUT_RADIO); | |
367 | } else { | |
368 | if (cur_input == PVR2_CVAL_INPUT_RADIO) | |
369 | pvr2_ctrl_set_value(ctrlp, PVR2_CVAL_INPUT_TV); | |
370 | } | |
371 | fv = vf->frequency; | |
372 | if (vt.capability & V4L2_TUNER_CAP_LOW) | |
373 | fv = (fv * 125) / 2; | |
374 | else | |
375 | fv = fv * 62500; | |
376 | return pvr2_ctrl_set_value( | |
c0e69315 | 377 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY),fv); |
c6d26cfe | 378 | } |
d855497e | 379 | |
c6d26cfe HV |
380 | static int pvr2_g_frequency(struct file *file, void *priv, struct v4l2_frequency *vf) |
381 | { | |
382 | struct pvr2_v4l2_fh *fh = file->private_data; | |
383 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
384 | int val = 0; | |
385 | int cur_input; | |
386 | struct v4l2_tuner vt; | |
387 | int ret; | |
388 | ||
389 | ret = pvr2_hdw_get_tuner_status(hdw, &vt); | |
390 | if (ret != 0) | |
391 | return ret; | |
392 | ret = pvr2_ctrl_get_value( | |
393 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_FREQUENCY), | |
d855497e | 394 | &val); |
c6d26cfe HV |
395 | if (ret != 0) |
396 | return ret; | |
397 | pvr2_ctrl_get_value( | |
398 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT), | |
c0e69315 | 399 | &cur_input); |
c6d26cfe HV |
400 | if (cur_input == PVR2_CVAL_INPUT_RADIO) |
401 | vf->type = V4L2_TUNER_RADIO; | |
402 | else | |
403 | vf->type = V4L2_TUNER_ANALOG_TV; | |
404 | if (vt.capability & V4L2_TUNER_CAP_LOW) | |
405 | val = (val * 2) / 125; | |
406 | else | |
407 | val /= 62500; | |
408 | vf->frequency = val; | |
409 | return 0; | |
410 | } | |
d855497e | 411 | |
c6d26cfe HV |
412 | static int pvr2_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *fd) |
413 | { | |
414 | /* Only one format is supported : mpeg.*/ | |
415 | if (fd->index != 0) | |
416 | return -EINVAL; | |
d855497e | 417 | |
c6d26cfe HV |
418 | memcpy(fd, pvr_fmtdesc, sizeof(struct v4l2_fmtdesc)); |
419 | return 0; | |
420 | } | |
d855497e | 421 | |
c6d26cfe HV |
422 | static int pvr2_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) |
423 | { | |
424 | struct pvr2_v4l2_fh *fh = file->private_data; | |
425 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
426 | int val; | |
d855497e | 427 | |
c6d26cfe HV |
428 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], sizeof(struct v4l2_format)); |
429 | val = 0; | |
430 | pvr2_ctrl_get_value( | |
431 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_HRES), | |
432 | &val); | |
433 | vf->fmt.pix.width = val; | |
434 | val = 0; | |
435 | pvr2_ctrl_get_value( | |
436 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_VRES), | |
437 | &val); | |
438 | vf->fmt.pix.height = val; | |
439 | return 0; | |
440 | } | |
d855497e | 441 | |
c6d26cfe HV |
442 | static int pvr2_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) |
443 | { | |
444 | struct pvr2_v4l2_fh *fh = file->private_data; | |
445 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
446 | int lmin, lmax, ldef; | |
447 | struct pvr2_ctrl *hcp, *vcp; | |
448 | int h = vf->fmt.pix.height; | |
449 | int w = vf->fmt.pix.width; | |
450 | ||
451 | hcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_HRES); | |
452 | vcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_VRES); | |
453 | ||
454 | lmin = pvr2_ctrl_get_min(hcp); | |
455 | lmax = pvr2_ctrl_get_max(hcp); | |
456 | pvr2_ctrl_get_def(hcp, &ldef); | |
457 | if (w == -1) | |
458 | w = ldef; | |
459 | else if (w < lmin) | |
460 | w = lmin; | |
461 | else if (w > lmax) | |
462 | w = lmax; | |
463 | lmin = pvr2_ctrl_get_min(vcp); | |
464 | lmax = pvr2_ctrl_get_max(vcp); | |
465 | pvr2_ctrl_get_def(vcp, &ldef); | |
466 | if (h == -1) | |
467 | h = ldef; | |
468 | else if (h < lmin) | |
469 | h = lmin; | |
470 | else if (h > lmax) | |
471 | h = lmax; | |
472 | ||
473 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], | |
474 | sizeof(struct v4l2_format)); | |
475 | vf->fmt.pix.width = w; | |
476 | vf->fmt.pix.height = h; | |
477 | return 0; | |
478 | } | |
d855497e | 479 | |
c6d26cfe HV |
480 | static int pvr2_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) |
481 | { | |
482 | struct pvr2_v4l2_fh *fh = file->private_data; | |
483 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
484 | struct pvr2_ctrl *hcp, *vcp; | |
485 | int ret = pvr2_try_fmt_vid_cap(file, fh, vf); | |
d855497e | 486 | |
c6d26cfe HV |
487 | if (ret) |
488 | return ret; | |
489 | hcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_HRES); | |
490 | vcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_VRES); | |
491 | pvr2_ctrl_set_value(hcp, vf->fmt.pix.width); | |
492 | pvr2_ctrl_set_value(vcp, vf->fmt.pix.height); | |
493 | return 0; | |
494 | } | |
d855497e | 495 | |
c6d26cfe HV |
496 | static int pvr2_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
497 | { | |
498 | struct pvr2_v4l2_fh *fh = file->private_data; | |
499 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
500 | struct pvr2_v4l2_dev *pdi = fh->pdi; | |
501 | int ret; | |
502 | ||
503 | if (!fh->pdi->stream) { | |
504 | /* No stream defined for this node. This means | |
505 | that we're not currently allowed to stream from | |
506 | this node. */ | |
507 | return -EPERM; | |
d855497e | 508 | } |
c6d26cfe HV |
509 | ret = pvr2_hdw_set_stream_type(hdw, pdi->config); |
510 | if (ret < 0) | |
511 | return ret; | |
512 | return pvr2_hdw_set_streaming(hdw, !0); | |
513 | } | |
d855497e | 514 | |
c6d26cfe HV |
515 | static int pvr2_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
516 | { | |
517 | struct pvr2_v4l2_fh *fh = file->private_data; | |
518 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
519 | ||
520 | if (!fh->pdi->stream) { | |
521 | /* No stream defined for this node. This means | |
522 | that we're not currently allowed to stream from | |
523 | this node. */ | |
524 | return -EPERM; | |
d855497e | 525 | } |
c6d26cfe HV |
526 | return pvr2_hdw_set_streaming(hdw, 0); |
527 | } | |
d855497e | 528 | |
c6d26cfe HV |
529 | static int pvr2_queryctrl(struct file *file, void *priv, |
530 | struct v4l2_queryctrl *vc) | |
531 | { | |
532 | struct pvr2_v4l2_fh *fh = file->private_data; | |
533 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
534 | struct pvr2_ctrl *cptr; | |
535 | int val; | |
d855497e | 536 | |
c6d26cfe HV |
537 | if (vc->id & V4L2_CTRL_FLAG_NEXT_CTRL) { |
538 | cptr = pvr2_hdw_get_ctrl_nextv4l( | |
539 | hdw, (vc->id & ~V4L2_CTRL_FLAG_NEXT_CTRL)); | |
540 | if (cptr) | |
541 | vc->id = pvr2_ctrl_get_v4lid(cptr); | |
542 | } else { | |
543 | cptr = pvr2_hdw_get_ctrl_v4l(hdw, vc->id); | |
544 | } | |
545 | if (!cptr) { | |
a761f431 | 546 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
c6d26cfe HV |
547 | "QUERYCTRL id=0x%x not implemented here", |
548 | vc->id); | |
549 | return -EINVAL; | |
550 | } | |
551 | ||
552 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
553 | "QUERYCTRL id=0x%x mapping name=%s (%s)", | |
554 | vc->id, pvr2_ctrl_get_name(cptr), | |
555 | pvr2_ctrl_get_desc(cptr)); | |
556 | strlcpy(vc->name, pvr2_ctrl_get_desc(cptr), sizeof(vc->name)); | |
557 | vc->flags = pvr2_ctrl_get_v4lflags(cptr); | |
558 | pvr2_ctrl_get_def(cptr, &val); | |
559 | vc->default_value = val; | |
560 | switch (pvr2_ctrl_get_type(cptr)) { | |
561 | case pvr2_ctl_enum: | |
562 | vc->type = V4L2_CTRL_TYPE_MENU; | |
563 | vc->minimum = 0; | |
564 | vc->maximum = pvr2_ctrl_get_cnt(cptr) - 1; | |
565 | vc->step = 1; | |
d855497e | 566 | break; |
c6d26cfe HV |
567 | case pvr2_ctl_bool: |
568 | vc->type = V4L2_CTRL_TYPE_BOOLEAN; | |
569 | vc->minimum = 0; | |
570 | vc->maximum = 1; | |
571 | vc->step = 1; | |
d855497e | 572 | break; |
c6d26cfe HV |
573 | case pvr2_ctl_int: |
574 | vc->type = V4L2_CTRL_TYPE_INTEGER; | |
575 | vc->minimum = pvr2_ctrl_get_min(cptr); | |
576 | vc->maximum = pvr2_ctrl_get_max(cptr); | |
577 | vc->step = 1; | |
d855497e | 578 | break; |
c6d26cfe HV |
579 | default: |
580 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
581 | "QUERYCTRL id=0x%x name=%s not mappable", | |
582 | vc->id, pvr2_ctrl_get_name(cptr)); | |
583 | return -EINVAL; | |
d855497e | 584 | } |
c6d26cfe HV |
585 | return 0; |
586 | } | |
d855497e | 587 | |
c6d26cfe HV |
588 | static int pvr2_querymenu(struct file *file, void *priv, struct v4l2_querymenu *vm) |
589 | { | |
590 | struct pvr2_v4l2_fh *fh = file->private_data; | |
591 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
592 | unsigned int cnt = 0; | |
593 | int ret; | |
d855497e | 594 | |
c6d26cfe HV |
595 | ret = pvr2_ctrl_get_valname(pvr2_hdw_get_ctrl_v4l(hdw, vm->id), |
596 | vm->index, | |
597 | vm->name, sizeof(vm->name) - 1, | |
598 | &cnt); | |
599 | vm->name[cnt] = 0; | |
600 | return ret; | |
601 | } | |
602 | ||
603 | static int pvr2_g_ctrl(struct file *file, void *priv, struct v4l2_control *vc) | |
604 | { | |
605 | struct pvr2_v4l2_fh *fh = file->private_data; | |
606 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
607 | int val = 0; | |
608 | int ret; | |
609 | ||
610 | ret = pvr2_ctrl_get_value(pvr2_hdw_get_ctrl_v4l(hdw, vc->id), | |
611 | &val); | |
612 | vc->value = val; | |
613 | return ret; | |
614 | } | |
615 | ||
616 | static int pvr2_s_ctrl(struct file *file, void *priv, struct v4l2_control *vc) | |
617 | { | |
618 | struct pvr2_v4l2_fh *fh = file->private_data; | |
619 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
620 | ||
621 | return pvr2_ctrl_set_value(pvr2_hdw_get_ctrl_v4l(hdw, vc->id), | |
622 | vc->value); | |
623 | } | |
624 | ||
625 | static int pvr2_g_ext_ctrls(struct file *file, void *priv, | |
626 | struct v4l2_ext_controls *ctls) | |
627 | { | |
628 | struct pvr2_v4l2_fh *fh = file->private_data; | |
629 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
630 | struct v4l2_ext_control *ctrl; | |
082afb7c | 631 | struct pvr2_ctrl *cptr; |
c6d26cfe HV |
632 | unsigned int idx; |
633 | int val; | |
634 | int ret; | |
635 | ||
636 | ret = 0; | |
637 | for (idx = 0; idx < ctls->count; idx++) { | |
638 | ctrl = ctls->controls + idx; | |
082afb7c RR |
639 | cptr = pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id); |
640 | if (cptr) { | |
641 | if (ctls->which == V4L2_CTRL_WHICH_DEF_VAL) | |
642 | pvr2_ctrl_get_def(cptr, &val); | |
643 | else | |
644 | ret = pvr2_ctrl_get_value(cptr, &val); | |
645 | } else | |
646 | ret = -EINVAL; | |
647 | ||
c6d26cfe HV |
648 | if (ret) { |
649 | ctls->error_idx = idx; | |
650 | return ret; | |
1d9f8461 | 651 | } |
c6d26cfe HV |
652 | /* Ensure that if read as a 64 bit value, the user |
653 | will still get a hopefully sane value */ | |
654 | ctrl->value64 = 0; | |
655 | ctrl->value = val; | |
1d9f8461 | 656 | } |
c6d26cfe HV |
657 | return 0; |
658 | } | |
1d9f8461 | 659 | |
c6d26cfe HV |
660 | static int pvr2_s_ext_ctrls(struct file *file, void *priv, |
661 | struct v4l2_ext_controls *ctls) | |
662 | { | |
663 | struct pvr2_v4l2_fh *fh = file->private_data; | |
664 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
665 | struct v4l2_ext_control *ctrl; | |
666 | unsigned int idx; | |
667 | int ret; | |
668 | ||
082afb7c RR |
669 | /* Default value cannot be changed */ |
670 | if (ctls->which == V4L2_CTRL_WHICH_DEF_VAL) | |
671 | return -EINVAL; | |
672 | ||
c6d26cfe HV |
673 | ret = 0; |
674 | for (idx = 0; idx < ctls->count; idx++) { | |
675 | ctrl = ctls->controls + idx; | |
676 | ret = pvr2_ctrl_set_value( | |
677 | pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id), | |
1d9f8461 | 678 | ctrl->value); |
c6d26cfe HV |
679 | if (ret) { |
680 | ctls->error_idx = idx; | |
681 | return ret; | |
1d9f8461 | 682 | } |
1d9f8461 | 683 | } |
c6d26cfe HV |
684 | return 0; |
685 | } | |
1d9f8461 | 686 | |
c6d26cfe HV |
687 | static int pvr2_try_ext_ctrls(struct file *file, void *priv, |
688 | struct v4l2_ext_controls *ctls) | |
689 | { | |
690 | struct pvr2_v4l2_fh *fh = file->private_data; | |
691 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
692 | struct v4l2_ext_control *ctrl; | |
693 | struct pvr2_ctrl *pctl; | |
694 | unsigned int idx; | |
1d9f8461 | 695 | |
c6d26cfe HV |
696 | /* For the moment just validate that the requested control |
697 | actually exists. */ | |
c6d26cfe HV |
698 | for (idx = 0; idx < ctls->count; idx++) { |
699 | ctrl = ctls->controls + idx; | |
700 | pctl = pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id); | |
701 | if (!pctl) { | |
702 | ctls->error_idx = idx; | |
703 | return -EINVAL; | |
432907f7 | 704 | } |
432907f7 | 705 | } |
c6d26cfe HV |
706 | return 0; |
707 | } | |
708 | ||
709 | static int pvr2_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cap) | |
710 | { | |
711 | struct pvr2_v4l2_fh *fh = file->private_data; | |
712 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
713 | int ret; | |
714 | ||
715 | if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
716 | return -EINVAL; | |
717 | ret = pvr2_hdw_get_cropcap(hdw, cap); | |
718 | cap->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; /* paranoia */ | |
719 | return ret; | |
720 | } | |
721 | ||
722 | static int pvr2_g_crop(struct file *file, void *priv, struct v4l2_crop *crop) | |
723 | { | |
724 | struct pvr2_v4l2_fh *fh = file->private_data; | |
725 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
726 | int val = 0; | |
727 | int ret; | |
728 | ||
729 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
730 | return -EINVAL; | |
731 | ret = pvr2_ctrl_get_value( | |
432907f7 | 732 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), &val); |
c6d26cfe HV |
733 | if (ret != 0) |
734 | return -EINVAL; | |
735 | crop->c.left = val; | |
736 | ret = pvr2_ctrl_get_value( | |
432907f7 | 737 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), &val); |
c6d26cfe HV |
738 | if (ret != 0) |
739 | return -EINVAL; | |
740 | crop->c.top = val; | |
741 | ret = pvr2_ctrl_get_value( | |
432907f7 | 742 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), &val); |
c6d26cfe HV |
743 | if (ret != 0) |
744 | return -EINVAL; | |
745 | crop->c.width = val; | |
746 | ret = pvr2_ctrl_get_value( | |
432907f7 | 747 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), &val); |
c6d26cfe HV |
748 | if (ret != 0) |
749 | return -EINVAL; | |
750 | crop->c.height = val; | |
751 | return 0; | |
752 | } | |
753 | ||
4f996594 | 754 | static int pvr2_s_crop(struct file *file, void *priv, const struct v4l2_crop *crop) |
c6d26cfe HV |
755 | { |
756 | struct pvr2_v4l2_fh *fh = file->private_data; | |
757 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
c6d26cfe HV |
758 | int ret; |
759 | ||
760 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
761 | return -EINVAL; | |
c6d26cfe | 762 | ret = pvr2_ctrl_set_value( |
432907f7 MI |
763 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), |
764 | crop->c.left); | |
c6d26cfe HV |
765 | if (ret != 0) |
766 | return -EINVAL; | |
767 | ret = pvr2_ctrl_set_value( | |
432907f7 MI |
768 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), |
769 | crop->c.top); | |
c6d26cfe HV |
770 | if (ret != 0) |
771 | return -EINVAL; | |
772 | ret = pvr2_ctrl_set_value( | |
432907f7 MI |
773 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), |
774 | crop->c.width); | |
c6d26cfe HV |
775 | if (ret != 0) |
776 | return -EINVAL; | |
777 | ret = pvr2_ctrl_set_value( | |
432907f7 MI |
778 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), |
779 | crop->c.height); | |
c6d26cfe HV |
780 | if (ret != 0) |
781 | return -EINVAL; | |
782 | return 0; | |
783 | } | |
784 | ||
785 | static int pvr2_log_status(struct file *file, void *priv) | |
786 | { | |
787 | struct pvr2_v4l2_fh *fh = file->private_data; | |
788 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
789 | ||
790 | pvr2_hdw_trigger_module_log(hdw); | |
791 | return 0; | |
792 | } | |
793 | ||
c6d26cfe HV |
794 | static const struct v4l2_ioctl_ops pvr2_ioctl_ops = { |
795 | .vidioc_querycap = pvr2_querycap, | |
c6d26cfe HV |
796 | .vidioc_s_audio = pvr2_s_audio, |
797 | .vidioc_g_audio = pvr2_g_audio, | |
798 | .vidioc_enumaudio = pvr2_enumaudio, | |
799 | .vidioc_enum_input = pvr2_enum_input, | |
800 | .vidioc_cropcap = pvr2_cropcap, | |
801 | .vidioc_s_crop = pvr2_s_crop, | |
802 | .vidioc_g_crop = pvr2_g_crop, | |
803 | .vidioc_g_input = pvr2_g_input, | |
804 | .vidioc_s_input = pvr2_s_input, | |
805 | .vidioc_g_frequency = pvr2_g_frequency, | |
806 | .vidioc_s_frequency = pvr2_s_frequency, | |
807 | .vidioc_s_tuner = pvr2_s_tuner, | |
808 | .vidioc_g_tuner = pvr2_g_tuner, | |
809 | .vidioc_g_std = pvr2_g_std, | |
810 | .vidioc_s_std = pvr2_s_std, | |
0927ee67 | 811 | .vidioc_querystd = pvr2_querystd, |
c6d26cfe HV |
812 | .vidioc_log_status = pvr2_log_status, |
813 | .vidioc_enum_fmt_vid_cap = pvr2_enum_fmt_vid_cap, | |
814 | .vidioc_g_fmt_vid_cap = pvr2_g_fmt_vid_cap, | |
815 | .vidioc_s_fmt_vid_cap = pvr2_s_fmt_vid_cap, | |
816 | .vidioc_try_fmt_vid_cap = pvr2_try_fmt_vid_cap, | |
817 | .vidioc_streamon = pvr2_streamon, | |
818 | .vidioc_streamoff = pvr2_streamoff, | |
819 | .vidioc_queryctrl = pvr2_queryctrl, | |
820 | .vidioc_querymenu = pvr2_querymenu, | |
821 | .vidioc_g_ctrl = pvr2_g_ctrl, | |
822 | .vidioc_s_ctrl = pvr2_s_ctrl, | |
823 | .vidioc_g_ext_ctrls = pvr2_g_ext_ctrls, | |
824 | .vidioc_s_ext_ctrls = pvr2_s_ext_ctrls, | |
825 | .vidioc_try_ext_ctrls = pvr2_try_ext_ctrls, | |
c6d26cfe | 826 | }; |
d855497e | 827 | |
d855497e MI |
828 | static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip) |
829 | { | |
0f0f257b | 830 | struct pvr2_hdw *hdw = dip->v4lp->channel.mc_head->hdw; |
16eb40d3 | 831 | enum pvr2_config cfg = dip->config; |
d72baad3 MI |
832 | char msg[80]; |
833 | unsigned int mcnt; | |
834 | ||
835 | /* Construct the unregistration message *before* we actually | |
836 | perform the unregistration step. By doing it this way we don't | |
837 | have to worry about potentially touching deleted resources. */ | |
838 | mcnt = scnprintf(msg, sizeof(msg) - 1, | |
839 | "pvrusb2: unregistered device %s [%s]", | |
840 | video_device_node_name(&dip->devbase), | |
841 | pvr2_config_get_name(cfg)); | |
842 | msg[mcnt] = 0; | |
0f0f257b | 843 | |
16eb40d3 | 844 | pvr2_hdw_v4l_store_minor_number(hdw,dip->minor_type,-1); |
75910053 MI |
845 | |
846 | /* Paranoia */ | |
c2625bff RD |
847 | dip->v4lp = NULL; |
848 | dip->stream = NULL; | |
75910053 MI |
849 | |
850 | /* Actual deallocation happens later when all internal references | |
851 | are gone. */ | |
852 | video_unregister_device(&dip->devbase); | |
0f0f257b | 853 | |
d72baad3 | 854 | printk(KERN_INFO "%s\n", msg); |
0f0f257b | 855 | |
d855497e MI |
856 | } |
857 | ||
858 | ||
4a89baa2 MI |
859 | static void pvr2_v4l2_dev_disassociate_parent(struct pvr2_v4l2_dev *dip) |
860 | { | |
861 | if (!dip) return; | |
a28fbd04 HV |
862 | if (!dip->devbase.v4l2_dev->dev) return; |
863 | dip->devbase.v4l2_dev->dev = NULL; | |
4a89baa2 MI |
864 | device_move(&dip->devbase.dev, NULL, DPM_ORDER_NONE); |
865 | } | |
866 | ||
867 | ||
d855497e MI |
868 | static void pvr2_v4l2_destroy_no_lock(struct pvr2_v4l2 *vp) |
869 | { | |
0f0f257b MI |
870 | if (vp->dev_video) { |
871 | pvr2_v4l2_dev_destroy(vp->dev_video); | |
89952d13 | 872 | vp->dev_video = NULL; |
0f0f257b MI |
873 | } |
874 | if (vp->dev_radio) { | |
875 | pvr2_v4l2_dev_destroy(vp->dev_radio); | |
89952d13 | 876 | vp->dev_radio = NULL; |
0f0f257b | 877 | } |
d855497e MI |
878 | |
879 | pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr2_v4l2 id=%p",vp); | |
880 | pvr2_channel_done(&vp->channel); | |
881 | kfree(vp); | |
882 | } | |
883 | ||
884 | ||
75910053 MI |
885 | static void pvr2_video_device_release(struct video_device *vdev) |
886 | { | |
887 | struct pvr2_v4l2_dev *dev; | |
888 | dev = container_of(vdev,struct pvr2_v4l2_dev,devbase); | |
889 | kfree(dev); | |
890 | } | |
891 | ||
892 | ||
07e337ee | 893 | static void pvr2_v4l2_internal_check(struct pvr2_channel *chp) |
d855497e MI |
894 | { |
895 | struct pvr2_v4l2 *vp; | |
896 | vp = container_of(chp,struct pvr2_v4l2,channel); | |
897 | if (!vp->channel.mc_head->disconnect_flag) return; | |
4a89baa2 MI |
898 | pvr2_v4l2_dev_disassociate_parent(vp->dev_video); |
899 | pvr2_v4l2_dev_disassociate_parent(vp->dev_radio); | |
cee05cb3 HV |
900 | if (!list_empty(&vp->dev_video->devbase.fh_list) || |
901 | !list_empty(&vp->dev_radio->devbase.fh_list)) | |
902 | return; | |
d855497e MI |
903 | pvr2_v4l2_destroy_no_lock(vp); |
904 | } | |
905 | ||
906 | ||
069b7479 | 907 | static long pvr2_v4l2_ioctl(struct file *file, |
07e337ee | 908 | unsigned int cmd, unsigned long arg) |
d855497e MI |
909 | { |
910 | ||
c6d26cfe | 911 | struct pvr2_v4l2_fh *fh = file->private_data; |
c6d26cfe HV |
912 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; |
913 | long ret = -EINVAL; | |
914 | ||
915 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) | |
4a085168 | 916 | v4l_printk_ioctl(pvr2_hdw_get_driver_name(hdw), cmd); |
c6d26cfe HV |
917 | |
918 | if (!pvr2_hdw_dev_ok(hdw)) { | |
919 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
920 | "ioctl failed - bad or no context"); | |
921 | return -EFAULT; | |
922 | } | |
923 | ||
c6d26cfe HV |
924 | ret = video_ioctl2(file, cmd, arg); |
925 | ||
926 | pvr2_hdw_commit_ctl(hdw); | |
927 | ||
928 | if (ret < 0) { | |
929 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { | |
930 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
599bc36a AU |
931 | "pvr2_v4l2_do_ioctl failure, ret=%ld" |
932 | " command was:", ret); | |
933 | v4l_printk_ioctl(pvr2_hdw_get_driver_name(hdw), cmd); | |
c6d26cfe HV |
934 | } |
935 | } else { | |
936 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
937 | "pvr2_v4l2_do_ioctl complete, ret=%ld (0x%lx)", | |
938 | ret, ret); | |
939 | } | |
940 | return ret; | |
941 | ||
d855497e MI |
942 | } |
943 | ||
944 | ||
bec43661 | 945 | static int pvr2_v4l2_release(struct file *file) |
d855497e MI |
946 | { |
947 | struct pvr2_v4l2_fh *fhp = file->private_data; | |
cee05cb3 | 948 | struct pvr2_v4l2 *vp = fhp->pdi->v4lp; |
c74e0062 | 949 | struct pvr2_hdw *hdw = fhp->channel.mc_head->hdw; |
d855497e MI |
950 | |
951 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_release"); | |
952 | ||
953 | if (fhp->rhp) { | |
954 | struct pvr2_stream *sp; | |
d855497e MI |
955 | pvr2_hdw_set_streaming(hdw,0); |
956 | sp = pvr2_ioread_get_stream(fhp->rhp); | |
a0fd1cb1 | 957 | if (sp) pvr2_stream_set_callback(sp,NULL,NULL); |
d855497e | 958 | pvr2_ioread_destroy(fhp->rhp); |
a0fd1cb1 | 959 | fhp->rhp = NULL; |
d855497e | 960 | } |
ae2b9e25 | 961 | |
cee05cb3 HV |
962 | v4l2_fh_del(&fhp->fh); |
963 | v4l2_fh_exit(&fhp->fh); | |
d855497e MI |
964 | file->private_data = NULL; |
965 | ||
794b1607 MI |
966 | pvr2_channel_done(&fhp->channel); |
967 | pvr2_trace(PVR2_TRACE_STRUCT, | |
968 | "Destroying pvr_v4l2_fh id=%p",fhp); | |
e57b1c80 MI |
969 | if (fhp->input_map) { |
970 | kfree(fhp->input_map); | |
971 | fhp->input_map = NULL; | |
972 | } | |
794b1607 | 973 | kfree(fhp); |
cee05cb3 HV |
974 | if (vp->channel.mc_head->disconnect_flag && |
975 | list_empty(&vp->dev_video->devbase.fh_list) && | |
976 | list_empty(&vp->dev_radio->devbase.fh_list)) { | |
794b1607 MI |
977 | pvr2_v4l2_destroy_no_lock(vp); |
978 | } | |
d855497e MI |
979 | return 0; |
980 | } | |
981 | ||
982 | ||
bec43661 | 983 | static int pvr2_v4l2_open(struct file *file) |
d855497e | 984 | { |
75910053 | 985 | struct pvr2_v4l2_dev *dip; /* Our own context pointer */ |
d855497e MI |
986 | struct pvr2_v4l2_fh *fhp; |
987 | struct pvr2_v4l2 *vp; | |
988 | struct pvr2_hdw *hdw; | |
1cb03b76 | 989 | unsigned int input_mask = 0; |
e57b1c80 | 990 | unsigned int input_cnt,idx; |
1cb03b76 | 991 | int ret = 0; |
d855497e | 992 | |
75910053 | 993 | dip = container_of(video_devdata(file),struct pvr2_v4l2_dev,devbase); |
d855497e MI |
994 | |
995 | vp = dip->v4lp; | |
996 | hdw = vp->channel.hdw; | |
997 | ||
998 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_open"); | |
999 | ||
1000 | if (!pvr2_hdw_dev_ok(hdw)) { | |
1001 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE, | |
1002 | "pvr2_v4l2_open: hardware not ready"); | |
1003 | return -EIO; | |
1004 | } | |
1005 | ||
4b85dee6 | 1006 | fhp = kzalloc(sizeof(*fhp),GFP_KERNEL); |
d855497e MI |
1007 | if (!fhp) { |
1008 | return -ENOMEM; | |
1009 | } | |
d855497e | 1010 | |
cee05cb3 | 1011 | v4l2_fh_init(&fhp->fh, &dip->devbase); |
d855497e | 1012 | init_waitqueue_head(&fhp->wait_data); |
108bdd7a | 1013 | fhp->pdi = dip; |
d855497e | 1014 | |
794b1607 MI |
1015 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr_v4l2_fh id=%p",fhp); |
1016 | pvr2_channel_init(&fhp->channel,vp->channel.mc_head); | |
ae2b9e25 | 1017 | |
1cb03b76 MI |
1018 | if (dip->v4l_type == VFL_TYPE_RADIO) { |
1019 | /* Opening device as a radio, legal input selection subset | |
1020 | is just the radio. */ | |
1021 | input_mask = (1 << PVR2_CVAL_INPUT_RADIO); | |
1022 | } else { | |
1023 | /* Opening the main V4L device, legal input selection | |
1024 | subset includes all analog inputs. */ | |
1025 | input_mask = ((1 << PVR2_CVAL_INPUT_RADIO) | | |
1026 | (1 << PVR2_CVAL_INPUT_TV) | | |
1027 | (1 << PVR2_CVAL_INPUT_COMPOSITE) | | |
1028 | (1 << PVR2_CVAL_INPUT_SVIDEO)); | |
1029 | } | |
1030 | ret = pvr2_channel_limit_inputs(&fhp->channel,input_mask); | |
1031 | if (ret) { | |
1032 | pvr2_channel_done(&fhp->channel); | |
1033 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1034 | "Destroying pvr_v4l2_fh id=%p (input mask error)", | |
1035 | fhp); | |
1036 | ||
1037 | kfree(fhp); | |
1038 | return ret; | |
1039 | } | |
1040 | ||
e57b1c80 MI |
1041 | input_mask &= pvr2_hdw_get_input_available(hdw); |
1042 | input_cnt = 0; | |
1043 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1044 | if (input_mask & (1 << idx)) input_cnt++; | |
1045 | } | |
1046 | fhp->input_cnt = input_cnt; | |
1047 | fhp->input_map = kzalloc(input_cnt,GFP_KERNEL); | |
1048 | if (!fhp->input_map) { | |
1049 | pvr2_channel_done(&fhp->channel); | |
1050 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1051 | "Destroying pvr_v4l2_fh id=%p (input map failure)", | |
1052 | fhp); | |
1053 | kfree(fhp); | |
1054 | return -ENOMEM; | |
1055 | } | |
1056 | input_cnt = 0; | |
1057 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1058 | if (!(input_mask & (1 << idx))) continue; | |
1059 | fhp->input_map[input_cnt++] = idx; | |
1060 | } | |
1061 | ||
d855497e MI |
1062 | fhp->file = file; |
1063 | file->private_data = fhp; | |
d855497e MI |
1064 | |
1065 | fhp->fw_mode_flag = pvr2_hdw_cpufw_get_enabled(hdw); | |
cee05cb3 | 1066 | v4l2_fh_add(&fhp->fh); |
d855497e MI |
1067 | |
1068 | return 0; | |
1069 | } | |
1070 | ||
1071 | ||
1072 | static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp) | |
1073 | { | |
1074 | wake_up(&fhp->wait_data); | |
1075 | } | |
1076 | ||
1077 | static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh) | |
1078 | { | |
1079 | int ret; | |
1080 | struct pvr2_stream *sp; | |
1081 | struct pvr2_hdw *hdw; | |
1082 | if (fh->rhp) return 0; | |
1083 | ||
108bdd7a | 1084 | if (!fh->pdi->stream) { |
16eb40d3 MI |
1085 | /* No stream defined for this node. This means that we're |
1086 | not currently allowed to stream from this node. */ | |
1087 | return -EPERM; | |
1088 | } | |
1089 | ||
d855497e MI |
1090 | /* First read() attempt. Try to claim the stream and start |
1091 | it... */ | |
1092 | if ((ret = pvr2_channel_claim_stream(&fh->channel, | |
108bdd7a | 1093 | fh->pdi->stream)) != 0) { |
d855497e MI |
1094 | /* Someone else must already have it */ |
1095 | return ret; | |
1096 | } | |
1097 | ||
108bdd7a | 1098 | fh->rhp = pvr2_channel_create_mpeg_stream(fh->pdi->stream); |
d855497e | 1099 | if (!fh->rhp) { |
a0fd1cb1 | 1100 | pvr2_channel_claim_stream(&fh->channel,NULL); |
d855497e MI |
1101 | return -ENOMEM; |
1102 | } | |
1103 | ||
1104 | hdw = fh->channel.mc_head->hdw; | |
108bdd7a | 1105 | sp = fh->pdi->stream->stream; |
d855497e | 1106 | pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh); |
108bdd7a | 1107 | pvr2_hdw_set_stream_type(hdw,fh->pdi->config); |
681c7399 MI |
1108 | if ((ret = pvr2_hdw_set_streaming(hdw,!0)) < 0) return ret; |
1109 | return pvr2_ioread_set_enabled(fh->rhp,!0); | |
d855497e MI |
1110 | } |
1111 | ||
1112 | ||
1113 | static ssize_t pvr2_v4l2_read(struct file *file, | |
1114 | char __user *buff, size_t count, loff_t *ppos) | |
1115 | { | |
1116 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1117 | int ret; | |
1118 | ||
1119 | if (fh->fw_mode_flag) { | |
1120 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
1121 | char *tbuf; | |
1122 | int c1,c2; | |
1123 | int tcnt = 0; | |
1124 | unsigned int offs = *ppos; | |
1125 | ||
1126 | tbuf = kmalloc(PAGE_SIZE,GFP_KERNEL); | |
1127 | if (!tbuf) return -ENOMEM; | |
1128 | ||
1129 | while (count) { | |
1130 | c1 = count; | |
1131 | if (c1 > PAGE_SIZE) c1 = PAGE_SIZE; | |
1132 | c2 = pvr2_hdw_cpufw_get(hdw,offs,tbuf,c1); | |
1133 | if (c2 < 0) { | |
1134 | tcnt = c2; | |
1135 | break; | |
1136 | } | |
1137 | if (!c2) break; | |
1138 | if (copy_to_user(buff,tbuf,c2)) { | |
1139 | tcnt = -EFAULT; | |
1140 | break; | |
1141 | } | |
1142 | offs += c2; | |
1143 | tcnt += c2; | |
1144 | buff += c2; | |
1145 | count -= c2; | |
1146 | *ppos += c2; | |
1147 | } | |
1148 | kfree(tbuf); | |
1149 | return tcnt; | |
1150 | } | |
1151 | ||
1152 | if (!fh->rhp) { | |
1153 | ret = pvr2_v4l2_iosetup(fh); | |
1154 | if (ret) { | |
1155 | return ret; | |
1156 | } | |
1157 | } | |
1158 | ||
1159 | for (;;) { | |
1160 | ret = pvr2_ioread_read(fh->rhp,buff,count); | |
1161 | if (ret >= 0) break; | |
1162 | if (ret != -EAGAIN) break; | |
1163 | if (file->f_flags & O_NONBLOCK) break; | |
1164 | /* Doing blocking I/O. Wait here. */ | |
1165 | ret = wait_event_interruptible( | |
1166 | fh->wait_data, | |
1167 | pvr2_ioread_avail(fh->rhp) >= 0); | |
1168 | if (ret < 0) break; | |
1169 | } | |
1170 | ||
1171 | return ret; | |
1172 | } | |
1173 | ||
1174 | ||
1175 | static unsigned int pvr2_v4l2_poll(struct file *file, poll_table *wait) | |
1176 | { | |
1177 | unsigned int mask = 0; | |
1178 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1179 | int ret; | |
1180 | ||
1181 | if (fh->fw_mode_flag) { | |
1182 | mask |= POLLIN | POLLRDNORM; | |
1183 | return mask; | |
1184 | } | |
1185 | ||
1186 | if (!fh->rhp) { | |
1187 | ret = pvr2_v4l2_iosetup(fh); | |
1188 | if (ret) return POLLERR; | |
1189 | } | |
1190 | ||
1191 | poll_wait(file,&fh->wait_data,wait); | |
1192 | ||
1193 | if (pvr2_ioread_avail(fh->rhp) >= 0) { | |
1194 | mask |= POLLIN | POLLRDNORM; | |
1195 | } | |
1196 | ||
1197 | return mask; | |
1198 | } | |
1199 | ||
1200 | ||
bec43661 | 1201 | static const struct v4l2_file_operations vdev_fops = { |
d855497e MI |
1202 | .owner = THIS_MODULE, |
1203 | .open = pvr2_v4l2_open, | |
1204 | .release = pvr2_v4l2_release, | |
1205 | .read = pvr2_v4l2_read, | |
ab91c611 | 1206 | .unlocked_ioctl = pvr2_v4l2_ioctl, |
d855497e MI |
1207 | .poll = pvr2_v4l2_poll, |
1208 | }; | |
1209 | ||
1210 | ||
d855497e | 1211 | static struct video_device vdev_template = { |
d855497e MI |
1212 | .fops = &vdev_fops, |
1213 | }; | |
1214 | ||
1215 | ||
1216 | static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip, | |
1217 | struct pvr2_v4l2 *vp, | |
16eb40d3 | 1218 | int v4l_type) |
d855497e MI |
1219 | { |
1220 | int mindevnum; | |
1221 | int unit_number; | |
598e978a | 1222 | struct pvr2_hdw *hdw; |
89952d13 | 1223 | int *nr_ptr = NULL; |
d855497e | 1224 | dip->v4lp = vp; |
d855497e | 1225 | |
598e978a | 1226 | hdw = vp->channel.mc_head->hdw; |
16eb40d3 MI |
1227 | dip->v4l_type = v4l_type; |
1228 | switch (v4l_type) { | |
1229 | case VFL_TYPE_GRABBER: | |
d855497e | 1230 | dip->stream = &vp->channel.mc_head->video_stream; |
16eb40d3 MI |
1231 | dip->config = pvr2_config_mpeg; |
1232 | dip->minor_type = pvr2_v4l_type_video; | |
1233 | nr_ptr = video_nr; | |
c74e0062 | 1234 | if (!dip->stream) { |
be9ed511 MCC |
1235 | pr_err(KBUILD_MODNAME |
1236 | ": Failed to set up pvrusb2 v4l video dev" | |
1237 | " due to missing stream instance\n"); | |
c74e0062 MI |
1238 | return; |
1239 | } | |
d855497e | 1240 | break; |
16eb40d3 MI |
1241 | case VFL_TYPE_VBI: |
1242 | dip->config = pvr2_config_vbi; | |
1243 | dip->minor_type = pvr2_v4l_type_vbi; | |
1244 | nr_ptr = vbi_nr; | |
d855497e | 1245 | break; |
16eb40d3 | 1246 | case VFL_TYPE_RADIO: |
af78a48b MI |
1247 | dip->stream = &vp->channel.mc_head->video_stream; |
1248 | dip->config = pvr2_config_mpeg; | |
16eb40d3 MI |
1249 | dip->minor_type = pvr2_v4l_type_radio; |
1250 | nr_ptr = radio_nr; | |
d855497e MI |
1251 | break; |
1252 | default: | |
1253 | /* Bail out (this should be impossible) */ | |
be9ed511 MCC |
1254 | pr_err(KBUILD_MODNAME ": Failed to set up pvrusb2 v4l dev" |
1255 | " due to unrecognized config\n"); | |
d855497e MI |
1256 | return; |
1257 | } | |
1258 | ||
5338c169 | 1259 | dip->devbase = vdev_template; |
75910053 | 1260 | dip->devbase.release = pvr2_video_device_release; |
c6d26cfe | 1261 | dip->devbase.ioctl_ops = &pvr2_ioctl_ops; |
d8329f8e MI |
1262 | { |
1263 | int val; | |
1264 | pvr2_ctrl_get_value( | |
598e978a | 1265 | pvr2_hdw_get_ctrl_by_id(hdw, |
d8329f8e MI |
1266 | PVR2_CID_STDAVAIL), &val); |
1267 | dip->devbase.tvnorms = (v4l2_std_id)val; | |
1268 | } | |
d855497e MI |
1269 | |
1270 | mindevnum = -1; | |
598e978a | 1271 | unit_number = pvr2_hdw_get_unit_number(hdw); |
16eb40d3 MI |
1272 | if (nr_ptr && (unit_number >= 0) && (unit_number < PVR_NUM)) { |
1273 | mindevnum = nr_ptr[unit_number]; | |
d855497e | 1274 | } |
a28fbd04 | 1275 | pvr2_hdw_set_v4l2_dev(hdw, &dip->devbase); |
16eb40d3 MI |
1276 | if ((video_register_device(&dip->devbase, |
1277 | dip->v4l_type, mindevnum) < 0) && | |
1278 | (video_register_device(&dip->devbase, | |
1279 | dip->v4l_type, -1) < 0)) { | |
be9ed511 MCC |
1280 | pr_err(KBUILD_MODNAME |
1281 | ": Failed to register pvrusb2 v4l device\n"); | |
ae2b9e25 | 1282 | } |
16eb40d3 | 1283 | |
38c7c036 LP |
1284 | printk(KERN_INFO "pvrusb2: registered device %s [%s]\n", |
1285 | video_device_node_name(&dip->devbase), | |
16eb40d3 | 1286 | pvr2_config_get_name(dip->config)); |
d855497e | 1287 | |
598e978a | 1288 | pvr2_hdw_v4l_store_minor_number(hdw, |
16eb40d3 | 1289 | dip->minor_type,dip->devbase.minor); |
d855497e MI |
1290 | } |
1291 | ||
1292 | ||
1293 | struct pvr2_v4l2 *pvr2_v4l2_create(struct pvr2_context *mnp) | |
1294 | { | |
1295 | struct pvr2_v4l2 *vp; | |
1296 | ||
4b85dee6 | 1297 | vp = kzalloc(sizeof(*vp),GFP_KERNEL); |
d855497e | 1298 | if (!vp) return vp; |
d855497e MI |
1299 | pvr2_channel_init(&vp->channel,mnp); |
1300 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr2_v4l2 id=%p",vp); | |
1301 | ||
1302 | vp->channel.check_func = pvr2_v4l2_internal_check; | |
1303 | ||
1304 | /* register streams */ | |
beb0ecd7 MI |
1305 | vp->dev_video = kzalloc(sizeof(*vp->dev_video),GFP_KERNEL); |
1306 | if (!vp->dev_video) goto fail; | |
16eb40d3 | 1307 | pvr2_v4l2_dev_init(vp->dev_video,vp,VFL_TYPE_GRABBER); |
e57b1c80 MI |
1308 | if (pvr2_hdw_get_input_available(vp->channel.mc_head->hdw) & |
1309 | (1 << PVR2_CVAL_INPUT_RADIO)) { | |
beb0ecd7 MI |
1310 | vp->dev_radio = kzalloc(sizeof(*vp->dev_radio),GFP_KERNEL); |
1311 | if (!vp->dev_radio) goto fail; | |
1312 | pvr2_v4l2_dev_init(vp->dev_radio,vp,VFL_TYPE_RADIO); | |
1313 | } | |
d855497e MI |
1314 | |
1315 | return vp; | |
beb0ecd7 MI |
1316 | fail: |
1317 | pvr2_trace(PVR2_TRACE_STRUCT,"Failure creating pvr2_v4l2 id=%p",vp); | |
1318 | pvr2_v4l2_destroy_no_lock(vp); | |
a6a3a17b | 1319 | return NULL; |
d855497e | 1320 | } |