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> |
a28fbd04 | 34 | #include <media/v4l2-device.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 { | |
53 | struct pvr2_channel channel; | |
108bdd7a | 54 | struct pvr2_v4l2_dev *pdi; |
d855497e MI |
55 | enum v4l2_priority prio; |
56 | struct pvr2_ioread *rhp; | |
57 | struct file *file; | |
58 | struct pvr2_v4l2 *vhead; | |
59 | struct pvr2_v4l2_fh *vnext; | |
60 | struct pvr2_v4l2_fh *vprev; | |
61 | wait_queue_head_t wait_data; | |
62 | int fw_mode_flag; | |
e57b1c80 MI |
63 | /* Map contiguous ordinal value to input id */ |
64 | unsigned char *input_map; | |
65 | unsigned int input_cnt; | |
d855497e MI |
66 | }; |
67 | ||
68 | struct pvr2_v4l2 { | |
69 | struct pvr2_channel channel; | |
70 | struct pvr2_v4l2_fh *vfirst; | |
71 | struct pvr2_v4l2_fh *vlast; | |
72 | ||
73 | struct v4l2_prio_state prio; | |
74 | ||
0f0f257b MI |
75 | /* streams - Note that these must be separately, individually, |
76 | * allocated pointers. This is because the v4l core is going to | |
77 | * manage their deletion - separately, individually... */ | |
78 | struct pvr2_v4l2_dev *dev_video; | |
79 | struct pvr2_v4l2_dev *dev_radio; | |
d855497e MI |
80 | }; |
81 | ||
82 | static int video_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
83 | module_param_array(video_nr, int, NULL, 0444); | |
5e6862ce MI |
84 | MODULE_PARM_DESC(video_nr, "Offset for device's video dev minor"); |
85 | static int radio_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
86 | module_param_array(radio_nr, int, NULL, 0444); | |
87 | MODULE_PARM_DESC(radio_nr, "Offset for device's radio dev minor"); | |
88 | static int vbi_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1}; | |
89 | module_param_array(vbi_nr, int, NULL, 0444); | |
90 | MODULE_PARM_DESC(vbi_nr, "Offset for device's vbi dev minor"); | |
d855497e | 91 | |
07e337ee | 92 | static struct v4l2_capability pvr_capability ={ |
d855497e MI |
93 | .driver = "pvrusb2", |
94 | .card = "Hauppauge WinTV pvr-usb2", | |
95 | .bus_info = "usb", | |
083774d8 | 96 | .version = LINUX_VERSION_CODE, |
d166b02e | 97 | .capabilities = (V4L2_CAP_VIDEO_CAPTURE | |
ae2b9e25 | 98 | V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_RADIO | |
d855497e | 99 | V4L2_CAP_READWRITE), |
d855497e MI |
100 | }; |
101 | ||
07e337ee | 102 | static struct v4l2_fmtdesc pvr_fmtdesc [] = { |
d855497e MI |
103 | { |
104 | .index = 0, | |
105 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
106 | .flags = V4L2_FMT_FLAG_COMPRESSED, | |
107 | .description = "MPEG1/2", | |
108 | // This should really be V4L2_PIX_FMT_MPEG, but xawtv | |
109 | // breaks when I do that. | |
110 | .pixelformat = 0, // V4L2_PIX_FMT_MPEG, | |
d855497e MI |
111 | } |
112 | }; | |
113 | ||
114 | #define PVR_FORMAT_PIX 0 | |
115 | #define PVR_FORMAT_VBI 1 | |
116 | ||
07e337ee | 117 | static struct v4l2_format pvr_format [] = { |
d855497e MI |
118 | [PVR_FORMAT_PIX] = { |
119 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
120 | .fmt = { | |
121 | .pix = { | |
122 | .width = 720, | |
123 | .height = 576, | |
124 | // This should really be V4L2_PIX_FMT_MPEG, | |
125 | // but xawtv breaks when I do that. | |
126 | .pixelformat = 0, // V4L2_PIX_FMT_MPEG, | |
127 | .field = V4L2_FIELD_INTERLACED, | |
128 | .bytesperline = 0, // doesn't make sense | |
129 | // here | |
130 | //FIXME : Don't know what to put here... | |
131 | .sizeimage = (32*1024), | |
132 | .colorspace = 0, // doesn't make sense here | |
133 | .priv = 0 | |
134 | } | |
135 | } | |
136 | }, | |
137 | [PVR_FORMAT_VBI] = { | |
138 | .type = V4L2_BUF_TYPE_VBI_CAPTURE, | |
139 | .fmt = { | |
140 | .vbi = { | |
141 | .sampling_rate = 27000000, | |
142 | .offset = 248, | |
143 | .samples_per_line = 1443, | |
144 | .sample_format = V4L2_PIX_FMT_GREY, | |
145 | .start = { 0, 0 }, | |
146 | .count = { 0, 0 }, | |
147 | .flags = 0, | |
d855497e MI |
148 | } |
149 | } | |
150 | } | |
151 | }; | |
152 | ||
16eb40d3 | 153 | |
c6d26cfe | 154 | |
d855497e | 155 | /* |
c6d26cfe | 156 | * This is part of Video 4 Linux API. These procedures handle ioctl() calls. |
d855497e | 157 | */ |
c6d26cfe | 158 | static int pvr2_querycap(struct file *file, void *priv, struct v4l2_capability *cap) |
d855497e MI |
159 | { |
160 | struct pvr2_v4l2_fh *fh = file->private_data; | |
d855497e | 161 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; |
d855497e | 162 | |
c6d26cfe HV |
163 | memcpy(cap, &pvr_capability, sizeof(struct v4l2_capability)); |
164 | strlcpy(cap->bus_info, pvr2_hdw_get_bus_info(hdw), | |
165 | sizeof(cap->bus_info)); | |
166 | strlcpy(cap->card, pvr2_hdw_get_desc(hdw), sizeof(cap->card)); | |
167 | return 0; | |
168 | } | |
d855497e | 169 | |
c6d26cfe HV |
170 | static int pvr2_g_priority(struct file *file, void *priv, enum v4l2_priority *p) |
171 | { | |
172 | struct pvr2_v4l2_fh *fh = file->private_data; | |
173 | struct pvr2_v4l2 *vp = fh->vhead; | |
d855497e | 174 | |
c6d26cfe HV |
175 | *p = v4l2_prio_max(&vp->prio); |
176 | return 0; | |
177 | } | |
d855497e | 178 | |
c6d26cfe HV |
179 | static int pvr2_s_priority(struct file *file, void *priv, enum v4l2_priority prio) |
180 | { | |
181 | struct pvr2_v4l2_fh *fh = file->private_data; | |
182 | struct pvr2_v4l2 *vp = fh->vhead; | |
d855497e | 183 | |
c6d26cfe HV |
184 | return v4l2_prio_change(&vp->prio, &fh->prio, prio); |
185 | } | |
d855497e | 186 | |
c6d26cfe HV |
187 | static int pvr2_g_std(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; | |
191 | int val = 0; | |
192 | int ret; | |
d855497e | 193 | |
c6d26cfe HV |
194 | ret = pvr2_ctrl_get_value( |
195 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_STDCUR), &val); | |
196 | *std = val; | |
197 | return ret; | |
198 | } | |
d855497e | 199 | |
314527ac | 200 | static int pvr2_s_std(struct file *file, void *priv, v4l2_std_id std) |
c6d26cfe HV |
201 | { |
202 | struct pvr2_v4l2_fh *fh = file->private_data; | |
203 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
d855497e | 204 | |
c6d26cfe | 205 | return pvr2_ctrl_set_value( |
314527ac | 206 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_STDCUR), std); |
c6d26cfe | 207 | } |
d855497e | 208 | |
0927ee67 MI |
209 | static int pvr2_querystd(struct file *file, void *priv, v4l2_std_id *std) |
210 | { | |
211 | struct pvr2_v4l2_fh *fh = file->private_data; | |
212 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
ac04d00e MI |
213 | int val = 0; |
214 | int ret; | |
0927ee67 | 215 | |
ac04d00e MI |
216 | ret = pvr2_ctrl_get_value( |
217 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_STDDETECT), &val); | |
218 | *std = val; | |
219 | return ret; | |
0927ee67 MI |
220 | } |
221 | ||
c6d26cfe HV |
222 | static int pvr2_enum_input(struct file *file, void *priv, struct v4l2_input *vi) |
223 | { | |
224 | struct pvr2_v4l2_fh *fh = file->private_data; | |
225 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
226 | struct pvr2_ctrl *cptr; | |
227 | struct v4l2_input tmp; | |
228 | unsigned int cnt; | |
229 | int val; | |
7383a473 | 230 | |
c6d26cfe HV |
231 | cptr = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT); |
232 | ||
233 | memset(&tmp, 0, sizeof(tmp)); | |
234 | tmp.index = vi->index; | |
c6d26cfe HV |
235 | if (vi->index >= fh->input_cnt) |
236 | return -EINVAL; | |
237 | val = fh->input_map[vi->index]; | |
238 | switch (val) { | |
239 | case PVR2_CVAL_INPUT_TV: | |
240 | case PVR2_CVAL_INPUT_DTV: | |
241 | case PVR2_CVAL_INPUT_RADIO: | |
242 | tmp.type = V4L2_INPUT_TYPE_TUNER; | |
d855497e | 243 | break; |
c6d26cfe HV |
244 | case PVR2_CVAL_INPUT_SVIDEO: |
245 | case PVR2_CVAL_INPUT_COMPOSITE: | |
246 | tmp.type = V4L2_INPUT_TYPE_CAMERA; | |
d855497e | 247 | break; |
c6d26cfe HV |
248 | default: |
249 | return -EINVAL; | |
d855497e MI |
250 | } |
251 | ||
c6d26cfe HV |
252 | cnt = 0; |
253 | pvr2_ctrl_get_valname(cptr, val, | |
254 | tmp.name, sizeof(tmp.name) - 1, &cnt); | |
255 | tmp.name[cnt] = 0; | |
d855497e | 256 | |
c6d26cfe HV |
257 | /* Don't bother with audioset, since this driver currently |
258 | always switches the audio whenever the video is | |
259 | switched. */ | |
d855497e | 260 | |
c6d26cfe HV |
261 | /* Handling std is a tougher problem. It doesn't make |
262 | sense in cases where a device might be multi-standard. | |
263 | We could just copy out the current value for the | |
264 | standard, but it can change over time. For now just | |
265 | leave it zero. */ | |
266 | *vi = tmp; | |
267 | return 0; | |
268 | } | |
d855497e | 269 | |
c6d26cfe HV |
270 | static int pvr2_g_input(struct file *file, void *priv, unsigned int *i) |
271 | { | |
272 | struct pvr2_v4l2_fh *fh = file->private_data; | |
273 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
274 | unsigned int idx; | |
275 | struct pvr2_ctrl *cptr; | |
276 | int val; | |
277 | int ret; | |
d855497e | 278 | |
c6d26cfe HV |
279 | cptr = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT); |
280 | val = 0; | |
281 | ret = pvr2_ctrl_get_value(cptr, &val); | |
282 | *i = 0; | |
283 | for (idx = 0; idx < fh->input_cnt; idx++) { | |
284 | if (fh->input_map[idx] == val) { | |
285 | *i = idx; | |
beb0ecd7 MI |
286 | break; |
287 | } | |
d855497e | 288 | } |
c6d26cfe HV |
289 | return ret; |
290 | } | |
d855497e | 291 | |
c6d26cfe HV |
292 | static int pvr2_s_input(struct file *file, void *priv, unsigned int inp) |
293 | { | |
294 | struct pvr2_v4l2_fh *fh = file->private_data; | |
295 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
d855497e | 296 | |
c6d26cfe HV |
297 | if (inp >= fh->input_cnt) |
298 | return -EINVAL; | |
299 | return pvr2_ctrl_set_value( | |
300 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT), | |
301 | fh->input_map[inp]); | |
302 | } | |
d855497e | 303 | |
c6d26cfe HV |
304 | static int pvr2_enumaudio(struct file *file, void *priv, struct v4l2_audio *vin) |
305 | { | |
306 | /* pkt: FIXME: We are returning one "fake" input here | |
307 | which could very well be called "whatever_we_like". | |
308 | This is for apps that want to see an audio input | |
309 | just to feel comfortable, as well as to test if | |
310 | it can do stereo or sth. There is actually no guarantee | |
311 | that the actual audio input cannot change behind the app's | |
312 | back, but most applications should not mind that either. | |
313 | ||
314 | Hopefully, mplayer people will work with us on this (this | |
315 | whole mess is to support mplayer pvr://), or Hans will come | |
316 | up with a more standard way to say "we have inputs but we | |
317 | don 't want you to change them independent of video" which | |
318 | will sort this mess. | |
319 | */ | |
320 | ||
321 | if (vin->index > 0) | |
322 | return -EINVAL; | |
323 | strncpy(vin->name, "PVRUSB2 Audio", 14); | |
324 | vin->capability = V4L2_AUDCAP_STEREO; | |
325 | return 0; | |
326 | } | |
5cc1dd8c | 327 | |
c6d26cfe HV |
328 | static int pvr2_g_audio(struct file *file, void *priv, struct v4l2_audio *vin) |
329 | { | |
330 | /* pkt: FIXME: see above comment (VIDIOC_ENUMAUDIO) */ | |
331 | vin->index = 0; | |
332 | strncpy(vin->name, "PVRUSB2 Audio", 14); | |
333 | vin->capability = V4L2_AUDCAP_STEREO; | |
334 | return 0; | |
335 | } | |
5cc1dd8c | 336 | |
0e8025b9 | 337 | static int pvr2_s_audio(struct file *file, void *priv, const struct v4l2_audio *vout) |
c6d26cfe HV |
338 | { |
339 | if (vout->index) | |
340 | return -EINVAL; | |
341 | return 0; | |
342 | } | |
d855497e | 343 | |
c6d26cfe HV |
344 | static int pvr2_g_tuner(struct file *file, void *priv, struct v4l2_tuner *vt) |
345 | { | |
346 | struct pvr2_v4l2_fh *fh = file->private_data; | |
347 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
d855497e | 348 | |
c6d26cfe HV |
349 | if (vt->index != 0) |
350 | return -EINVAL; /* Only answer for the 1st tuner */ | |
d855497e | 351 | |
c6d26cfe HV |
352 | pvr2_hdw_execute_tuner_poll(hdw); |
353 | return pvr2_hdw_get_tuner_status(hdw, vt); | |
354 | } | |
355 | ||
2f73c7c5 | 356 | static int pvr2_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *vt) |
c6d26cfe HV |
357 | { |
358 | struct pvr2_v4l2_fh *fh = file->private_data; | |
359 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
360 | ||
361 | if (vt->index != 0) | |
362 | return -EINVAL; | |
363 | ||
364 | return pvr2_ctrl_set_value( | |
365 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_AUDIOMODE), | |
d855497e | 366 | vt->audmode); |
c6d26cfe | 367 | } |
d855497e | 368 | |
b530a447 | 369 | static int pvr2_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *vf) |
c6d26cfe HV |
370 | { |
371 | struct pvr2_v4l2_fh *fh = file->private_data; | |
372 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
373 | unsigned long fv; | |
374 | struct v4l2_tuner vt; | |
375 | int cur_input; | |
376 | struct pvr2_ctrl *ctrlp; | |
377 | int ret; | |
378 | ||
379 | ret = pvr2_hdw_get_tuner_status(hdw, &vt); | |
380 | if (ret != 0) | |
381 | return ret; | |
382 | ctrlp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT); | |
383 | ret = pvr2_ctrl_get_value(ctrlp, &cur_input); | |
384 | if (ret != 0) | |
385 | return ret; | |
386 | if (vf->type == V4L2_TUNER_RADIO) { | |
387 | if (cur_input != PVR2_CVAL_INPUT_RADIO) | |
388 | pvr2_ctrl_set_value(ctrlp, PVR2_CVAL_INPUT_RADIO); | |
389 | } else { | |
390 | if (cur_input == PVR2_CVAL_INPUT_RADIO) | |
391 | pvr2_ctrl_set_value(ctrlp, PVR2_CVAL_INPUT_TV); | |
392 | } | |
393 | fv = vf->frequency; | |
394 | if (vt.capability & V4L2_TUNER_CAP_LOW) | |
395 | fv = (fv * 125) / 2; | |
396 | else | |
397 | fv = fv * 62500; | |
398 | return pvr2_ctrl_set_value( | |
c0e69315 | 399 | pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY),fv); |
c6d26cfe | 400 | } |
d855497e | 401 | |
c6d26cfe HV |
402 | static int pvr2_g_frequency(struct file *file, void *priv, struct v4l2_frequency *vf) |
403 | { | |
404 | struct pvr2_v4l2_fh *fh = file->private_data; | |
405 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
406 | int val = 0; | |
407 | int cur_input; | |
408 | struct v4l2_tuner vt; | |
409 | int ret; | |
410 | ||
411 | ret = pvr2_hdw_get_tuner_status(hdw, &vt); | |
412 | if (ret != 0) | |
413 | return ret; | |
414 | ret = pvr2_ctrl_get_value( | |
415 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_FREQUENCY), | |
d855497e | 416 | &val); |
c6d26cfe HV |
417 | if (ret != 0) |
418 | return ret; | |
419 | pvr2_ctrl_get_value( | |
420 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_INPUT), | |
c0e69315 | 421 | &cur_input); |
c6d26cfe HV |
422 | if (cur_input == PVR2_CVAL_INPUT_RADIO) |
423 | vf->type = V4L2_TUNER_RADIO; | |
424 | else | |
425 | vf->type = V4L2_TUNER_ANALOG_TV; | |
426 | if (vt.capability & V4L2_TUNER_CAP_LOW) | |
427 | val = (val * 2) / 125; | |
428 | else | |
429 | val /= 62500; | |
430 | vf->frequency = val; | |
431 | return 0; | |
432 | } | |
d855497e | 433 | |
c6d26cfe HV |
434 | static int pvr2_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *fd) |
435 | { | |
436 | /* Only one format is supported : mpeg.*/ | |
437 | if (fd->index != 0) | |
438 | return -EINVAL; | |
d855497e | 439 | |
c6d26cfe HV |
440 | memcpy(fd, pvr_fmtdesc, sizeof(struct v4l2_fmtdesc)); |
441 | return 0; | |
442 | } | |
d855497e | 443 | |
c6d26cfe HV |
444 | static int pvr2_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) |
445 | { | |
446 | struct pvr2_v4l2_fh *fh = file->private_data; | |
447 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
448 | int val; | |
d855497e | 449 | |
c6d26cfe HV |
450 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], sizeof(struct v4l2_format)); |
451 | val = 0; | |
452 | pvr2_ctrl_get_value( | |
453 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_HRES), | |
454 | &val); | |
455 | vf->fmt.pix.width = val; | |
456 | val = 0; | |
457 | pvr2_ctrl_get_value( | |
458 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_VRES), | |
459 | &val); | |
460 | vf->fmt.pix.height = val; | |
461 | return 0; | |
462 | } | |
d855497e | 463 | |
c6d26cfe HV |
464 | static int pvr2_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) |
465 | { | |
466 | struct pvr2_v4l2_fh *fh = file->private_data; | |
467 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
468 | int lmin, lmax, ldef; | |
469 | struct pvr2_ctrl *hcp, *vcp; | |
470 | int h = vf->fmt.pix.height; | |
471 | int w = vf->fmt.pix.width; | |
472 | ||
473 | hcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_HRES); | |
474 | vcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_VRES); | |
475 | ||
476 | lmin = pvr2_ctrl_get_min(hcp); | |
477 | lmax = pvr2_ctrl_get_max(hcp); | |
478 | pvr2_ctrl_get_def(hcp, &ldef); | |
479 | if (w == -1) | |
480 | w = ldef; | |
481 | else if (w < lmin) | |
482 | w = lmin; | |
483 | else if (w > lmax) | |
484 | w = lmax; | |
485 | lmin = pvr2_ctrl_get_min(vcp); | |
486 | lmax = pvr2_ctrl_get_max(vcp); | |
487 | pvr2_ctrl_get_def(vcp, &ldef); | |
488 | if (h == -1) | |
489 | h = ldef; | |
490 | else if (h < lmin) | |
491 | h = lmin; | |
492 | else if (h > lmax) | |
493 | h = lmax; | |
494 | ||
495 | memcpy(vf, &pvr_format[PVR_FORMAT_PIX], | |
496 | sizeof(struct v4l2_format)); | |
497 | vf->fmt.pix.width = w; | |
498 | vf->fmt.pix.height = h; | |
499 | return 0; | |
500 | } | |
d855497e | 501 | |
c6d26cfe HV |
502 | static int pvr2_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) |
503 | { | |
504 | struct pvr2_v4l2_fh *fh = file->private_data; | |
505 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
506 | struct pvr2_ctrl *hcp, *vcp; | |
507 | int ret = pvr2_try_fmt_vid_cap(file, fh, vf); | |
d855497e | 508 | |
c6d26cfe HV |
509 | if (ret) |
510 | return ret; | |
511 | hcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_HRES); | |
512 | vcp = pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_VRES); | |
513 | pvr2_ctrl_set_value(hcp, vf->fmt.pix.width); | |
514 | pvr2_ctrl_set_value(vcp, vf->fmt.pix.height); | |
515 | return 0; | |
516 | } | |
d855497e | 517 | |
c6d26cfe HV |
518 | static int pvr2_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
519 | { | |
520 | struct pvr2_v4l2_fh *fh = file->private_data; | |
521 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
522 | struct pvr2_v4l2_dev *pdi = fh->pdi; | |
523 | int ret; | |
524 | ||
525 | if (!fh->pdi->stream) { | |
526 | /* No stream defined for this node. This means | |
527 | that we're not currently allowed to stream from | |
528 | this node. */ | |
529 | return -EPERM; | |
d855497e | 530 | } |
c6d26cfe HV |
531 | ret = pvr2_hdw_set_stream_type(hdw, pdi->config); |
532 | if (ret < 0) | |
533 | return ret; | |
534 | return pvr2_hdw_set_streaming(hdw, !0); | |
535 | } | |
d855497e | 536 | |
c6d26cfe HV |
537 | static int pvr2_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
538 | { | |
539 | struct pvr2_v4l2_fh *fh = file->private_data; | |
540 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
541 | ||
542 | if (!fh->pdi->stream) { | |
543 | /* No stream defined for this node. This means | |
544 | that we're not currently allowed to stream from | |
545 | this node. */ | |
546 | return -EPERM; | |
d855497e | 547 | } |
c6d26cfe HV |
548 | return pvr2_hdw_set_streaming(hdw, 0); |
549 | } | |
d855497e | 550 | |
c6d26cfe HV |
551 | static int pvr2_queryctrl(struct file *file, void *priv, |
552 | struct v4l2_queryctrl *vc) | |
553 | { | |
554 | struct pvr2_v4l2_fh *fh = file->private_data; | |
555 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
556 | struct pvr2_ctrl *cptr; | |
557 | int val; | |
d855497e | 558 | |
c6d26cfe HV |
559 | if (vc->id & V4L2_CTRL_FLAG_NEXT_CTRL) { |
560 | cptr = pvr2_hdw_get_ctrl_nextv4l( | |
561 | hdw, (vc->id & ~V4L2_CTRL_FLAG_NEXT_CTRL)); | |
562 | if (cptr) | |
563 | vc->id = pvr2_ctrl_get_v4lid(cptr); | |
564 | } else { | |
565 | cptr = pvr2_hdw_get_ctrl_v4l(hdw, vc->id); | |
566 | } | |
567 | if (!cptr) { | |
a761f431 | 568 | pvr2_trace(PVR2_TRACE_V4LIOCTL, |
c6d26cfe HV |
569 | "QUERYCTRL id=0x%x not implemented here", |
570 | vc->id); | |
571 | return -EINVAL; | |
572 | } | |
573 | ||
574 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
575 | "QUERYCTRL id=0x%x mapping name=%s (%s)", | |
576 | vc->id, pvr2_ctrl_get_name(cptr), | |
577 | pvr2_ctrl_get_desc(cptr)); | |
578 | strlcpy(vc->name, pvr2_ctrl_get_desc(cptr), sizeof(vc->name)); | |
579 | vc->flags = pvr2_ctrl_get_v4lflags(cptr); | |
580 | pvr2_ctrl_get_def(cptr, &val); | |
581 | vc->default_value = val; | |
582 | switch (pvr2_ctrl_get_type(cptr)) { | |
583 | case pvr2_ctl_enum: | |
584 | vc->type = V4L2_CTRL_TYPE_MENU; | |
585 | vc->minimum = 0; | |
586 | vc->maximum = pvr2_ctrl_get_cnt(cptr) - 1; | |
587 | vc->step = 1; | |
d855497e | 588 | break; |
c6d26cfe HV |
589 | case pvr2_ctl_bool: |
590 | vc->type = V4L2_CTRL_TYPE_BOOLEAN; | |
591 | vc->minimum = 0; | |
592 | vc->maximum = 1; | |
593 | vc->step = 1; | |
d855497e | 594 | break; |
c6d26cfe HV |
595 | case pvr2_ctl_int: |
596 | vc->type = V4L2_CTRL_TYPE_INTEGER; | |
597 | vc->minimum = pvr2_ctrl_get_min(cptr); | |
598 | vc->maximum = pvr2_ctrl_get_max(cptr); | |
599 | vc->step = 1; | |
d855497e | 600 | break; |
c6d26cfe HV |
601 | default: |
602 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
603 | "QUERYCTRL id=0x%x name=%s not mappable", | |
604 | vc->id, pvr2_ctrl_get_name(cptr)); | |
605 | return -EINVAL; | |
d855497e | 606 | } |
c6d26cfe HV |
607 | return 0; |
608 | } | |
d855497e | 609 | |
c6d26cfe HV |
610 | static int pvr2_querymenu(struct file *file, void *priv, struct v4l2_querymenu *vm) |
611 | { | |
612 | struct pvr2_v4l2_fh *fh = file->private_data; | |
613 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
614 | unsigned int cnt = 0; | |
615 | int ret; | |
d855497e | 616 | |
c6d26cfe HV |
617 | ret = pvr2_ctrl_get_valname(pvr2_hdw_get_ctrl_v4l(hdw, vm->id), |
618 | vm->index, | |
619 | vm->name, sizeof(vm->name) - 1, | |
620 | &cnt); | |
621 | vm->name[cnt] = 0; | |
622 | return ret; | |
623 | } | |
624 | ||
625 | static int pvr2_g_ctrl(struct file *file, void *priv, struct v4l2_control *vc) | |
626 | { | |
627 | struct pvr2_v4l2_fh *fh = file->private_data; | |
628 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
629 | int val = 0; | |
630 | int ret; | |
631 | ||
632 | ret = pvr2_ctrl_get_value(pvr2_hdw_get_ctrl_v4l(hdw, vc->id), | |
633 | &val); | |
634 | vc->value = val; | |
635 | return ret; | |
636 | } | |
637 | ||
638 | static int pvr2_s_ctrl(struct file *file, void *priv, struct v4l2_control *vc) | |
639 | { | |
640 | struct pvr2_v4l2_fh *fh = file->private_data; | |
641 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
642 | ||
643 | return pvr2_ctrl_set_value(pvr2_hdw_get_ctrl_v4l(hdw, vc->id), | |
644 | vc->value); | |
645 | } | |
646 | ||
647 | static int pvr2_g_ext_ctrls(struct file *file, void *priv, | |
648 | struct v4l2_ext_controls *ctls) | |
649 | { | |
650 | struct pvr2_v4l2_fh *fh = file->private_data; | |
651 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
652 | struct v4l2_ext_control *ctrl; | |
653 | unsigned int idx; | |
654 | int val; | |
655 | int ret; | |
656 | ||
657 | ret = 0; | |
658 | for (idx = 0; idx < ctls->count; idx++) { | |
659 | ctrl = ctls->controls + idx; | |
660 | ret = pvr2_ctrl_get_value( | |
661 | pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id), &val); | |
662 | if (ret) { | |
663 | ctls->error_idx = idx; | |
664 | return ret; | |
1d9f8461 | 665 | } |
c6d26cfe HV |
666 | /* Ensure that if read as a 64 bit value, the user |
667 | will still get a hopefully sane value */ | |
668 | ctrl->value64 = 0; | |
669 | ctrl->value = val; | |
1d9f8461 | 670 | } |
c6d26cfe HV |
671 | return 0; |
672 | } | |
1d9f8461 | 673 | |
c6d26cfe HV |
674 | static int pvr2_s_ext_ctrls(struct file *file, void *priv, |
675 | struct v4l2_ext_controls *ctls) | |
676 | { | |
677 | struct pvr2_v4l2_fh *fh = file->private_data; | |
678 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
679 | struct v4l2_ext_control *ctrl; | |
680 | unsigned int idx; | |
681 | int ret; | |
682 | ||
683 | ret = 0; | |
684 | for (idx = 0; idx < ctls->count; idx++) { | |
685 | ctrl = ctls->controls + idx; | |
686 | ret = pvr2_ctrl_set_value( | |
687 | pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id), | |
1d9f8461 | 688 | ctrl->value); |
c6d26cfe HV |
689 | if (ret) { |
690 | ctls->error_idx = idx; | |
691 | return ret; | |
1d9f8461 | 692 | } |
1d9f8461 | 693 | } |
c6d26cfe HV |
694 | return 0; |
695 | } | |
1d9f8461 | 696 | |
c6d26cfe HV |
697 | static int pvr2_try_ext_ctrls(struct file *file, void *priv, |
698 | struct v4l2_ext_controls *ctls) | |
699 | { | |
700 | struct pvr2_v4l2_fh *fh = file->private_data; | |
701 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
702 | struct v4l2_ext_control *ctrl; | |
703 | struct pvr2_ctrl *pctl; | |
704 | unsigned int idx; | |
1d9f8461 | 705 | |
c6d26cfe HV |
706 | /* For the moment just validate that the requested control |
707 | actually exists. */ | |
c6d26cfe HV |
708 | for (idx = 0; idx < ctls->count; idx++) { |
709 | ctrl = ctls->controls + idx; | |
710 | pctl = pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id); | |
711 | if (!pctl) { | |
712 | ctls->error_idx = idx; | |
713 | return -EINVAL; | |
432907f7 | 714 | } |
432907f7 | 715 | } |
c6d26cfe HV |
716 | return 0; |
717 | } | |
718 | ||
719 | static int pvr2_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cap) | |
720 | { | |
721 | struct pvr2_v4l2_fh *fh = file->private_data; | |
722 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
723 | int ret; | |
724 | ||
725 | if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
726 | return -EINVAL; | |
727 | ret = pvr2_hdw_get_cropcap(hdw, cap); | |
728 | cap->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; /* paranoia */ | |
729 | return ret; | |
730 | } | |
731 | ||
732 | static int pvr2_g_crop(struct file *file, void *priv, struct v4l2_crop *crop) | |
733 | { | |
734 | struct pvr2_v4l2_fh *fh = file->private_data; | |
735 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
736 | int val = 0; | |
737 | int ret; | |
738 | ||
739 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
740 | return -EINVAL; | |
741 | ret = pvr2_ctrl_get_value( | |
432907f7 | 742 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), &val); |
c6d26cfe HV |
743 | if (ret != 0) |
744 | return -EINVAL; | |
745 | crop->c.left = val; | |
746 | ret = pvr2_ctrl_get_value( | |
432907f7 | 747 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), &val); |
c6d26cfe HV |
748 | if (ret != 0) |
749 | return -EINVAL; | |
750 | crop->c.top = val; | |
751 | ret = pvr2_ctrl_get_value( | |
432907f7 | 752 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), &val); |
c6d26cfe HV |
753 | if (ret != 0) |
754 | return -EINVAL; | |
755 | crop->c.width = val; | |
756 | ret = pvr2_ctrl_get_value( | |
432907f7 | 757 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), &val); |
c6d26cfe HV |
758 | if (ret != 0) |
759 | return -EINVAL; | |
760 | crop->c.height = val; | |
761 | return 0; | |
762 | } | |
763 | ||
4f996594 | 764 | static int pvr2_s_crop(struct file *file, void *priv, const struct v4l2_crop *crop) |
c6d26cfe HV |
765 | { |
766 | struct pvr2_v4l2_fh *fh = file->private_data; | |
767 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
c6d26cfe HV |
768 | int ret; |
769 | ||
770 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
771 | return -EINVAL; | |
c6d26cfe | 772 | ret = pvr2_ctrl_set_value( |
432907f7 MI |
773 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), |
774 | crop->c.left); | |
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_CROPT), |
779 | crop->c.top); | |
c6d26cfe HV |
780 | if (ret != 0) |
781 | return -EINVAL; | |
782 | ret = pvr2_ctrl_set_value( | |
432907f7 MI |
783 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), |
784 | crop->c.width); | |
c6d26cfe HV |
785 | if (ret != 0) |
786 | return -EINVAL; | |
787 | ret = pvr2_ctrl_set_value( | |
432907f7 MI |
788 | pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), |
789 | crop->c.height); | |
c6d26cfe HV |
790 | if (ret != 0) |
791 | return -EINVAL; | |
792 | return 0; | |
793 | } | |
794 | ||
795 | static int pvr2_log_status(struct file *file, void *priv) | |
796 | { | |
797 | struct pvr2_v4l2_fh *fh = file->private_data; | |
798 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
799 | ||
800 | pvr2_hdw_trigger_module_log(hdw); | |
801 | return 0; | |
802 | } | |
803 | ||
c6d26cfe HV |
804 | static const struct v4l2_ioctl_ops pvr2_ioctl_ops = { |
805 | .vidioc_querycap = pvr2_querycap, | |
806 | .vidioc_g_priority = pvr2_g_priority, | |
807 | .vidioc_s_priority = pvr2_s_priority, | |
808 | .vidioc_s_audio = pvr2_s_audio, | |
809 | .vidioc_g_audio = pvr2_g_audio, | |
810 | .vidioc_enumaudio = pvr2_enumaudio, | |
811 | .vidioc_enum_input = pvr2_enum_input, | |
812 | .vidioc_cropcap = pvr2_cropcap, | |
813 | .vidioc_s_crop = pvr2_s_crop, | |
814 | .vidioc_g_crop = pvr2_g_crop, | |
815 | .vidioc_g_input = pvr2_g_input, | |
816 | .vidioc_s_input = pvr2_s_input, | |
817 | .vidioc_g_frequency = pvr2_g_frequency, | |
818 | .vidioc_s_frequency = pvr2_s_frequency, | |
819 | .vidioc_s_tuner = pvr2_s_tuner, | |
820 | .vidioc_g_tuner = pvr2_g_tuner, | |
821 | .vidioc_g_std = pvr2_g_std, | |
822 | .vidioc_s_std = pvr2_s_std, | |
0927ee67 | 823 | .vidioc_querystd = pvr2_querystd, |
c6d26cfe HV |
824 | .vidioc_log_status = pvr2_log_status, |
825 | .vidioc_enum_fmt_vid_cap = pvr2_enum_fmt_vid_cap, | |
826 | .vidioc_g_fmt_vid_cap = pvr2_g_fmt_vid_cap, | |
827 | .vidioc_s_fmt_vid_cap = pvr2_s_fmt_vid_cap, | |
828 | .vidioc_try_fmt_vid_cap = pvr2_try_fmt_vid_cap, | |
829 | .vidioc_streamon = pvr2_streamon, | |
830 | .vidioc_streamoff = pvr2_streamoff, | |
831 | .vidioc_queryctrl = pvr2_queryctrl, | |
832 | .vidioc_querymenu = pvr2_querymenu, | |
833 | .vidioc_g_ctrl = pvr2_g_ctrl, | |
834 | .vidioc_s_ctrl = pvr2_s_ctrl, | |
835 | .vidioc_g_ext_ctrls = pvr2_g_ext_ctrls, | |
836 | .vidioc_s_ext_ctrls = pvr2_s_ext_ctrls, | |
837 | .vidioc_try_ext_ctrls = pvr2_try_ext_ctrls, | |
c6d26cfe | 838 | }; |
d855497e | 839 | |
d855497e MI |
840 | static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip) |
841 | { | |
0f0f257b | 842 | struct pvr2_hdw *hdw = dip->v4lp->channel.mc_head->hdw; |
16eb40d3 | 843 | enum pvr2_config cfg = dip->config; |
d72baad3 MI |
844 | char msg[80]; |
845 | unsigned int mcnt; | |
846 | ||
847 | /* Construct the unregistration message *before* we actually | |
848 | perform the unregistration step. By doing it this way we don't | |
849 | have to worry about potentially touching deleted resources. */ | |
850 | mcnt = scnprintf(msg, sizeof(msg) - 1, | |
851 | "pvrusb2: unregistered device %s [%s]", | |
852 | video_device_node_name(&dip->devbase), | |
853 | pvr2_config_get_name(cfg)); | |
854 | msg[mcnt] = 0; | |
0f0f257b | 855 | |
16eb40d3 | 856 | pvr2_hdw_v4l_store_minor_number(hdw,dip->minor_type,-1); |
75910053 MI |
857 | |
858 | /* Paranoia */ | |
c2625bff RD |
859 | dip->v4lp = NULL; |
860 | dip->stream = NULL; | |
75910053 MI |
861 | |
862 | /* Actual deallocation happens later when all internal references | |
863 | are gone. */ | |
864 | video_unregister_device(&dip->devbase); | |
0f0f257b | 865 | |
d72baad3 | 866 | printk(KERN_INFO "%s\n", msg); |
0f0f257b | 867 | |
d855497e MI |
868 | } |
869 | ||
870 | ||
4a89baa2 MI |
871 | static void pvr2_v4l2_dev_disassociate_parent(struct pvr2_v4l2_dev *dip) |
872 | { | |
873 | if (!dip) return; | |
a28fbd04 HV |
874 | if (!dip->devbase.v4l2_dev->dev) return; |
875 | dip->devbase.v4l2_dev->dev = NULL; | |
4a89baa2 MI |
876 | device_move(&dip->devbase.dev, NULL, DPM_ORDER_NONE); |
877 | } | |
878 | ||
879 | ||
d855497e MI |
880 | static void pvr2_v4l2_destroy_no_lock(struct pvr2_v4l2 *vp) |
881 | { | |
0f0f257b MI |
882 | if (vp->dev_video) { |
883 | pvr2_v4l2_dev_destroy(vp->dev_video); | |
89952d13 | 884 | vp->dev_video = NULL; |
0f0f257b MI |
885 | } |
886 | if (vp->dev_radio) { | |
887 | pvr2_v4l2_dev_destroy(vp->dev_radio); | |
89952d13 | 888 | vp->dev_radio = NULL; |
0f0f257b | 889 | } |
d855497e MI |
890 | |
891 | pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr2_v4l2 id=%p",vp); | |
892 | pvr2_channel_done(&vp->channel); | |
893 | kfree(vp); | |
894 | } | |
895 | ||
896 | ||
75910053 MI |
897 | static void pvr2_video_device_release(struct video_device *vdev) |
898 | { | |
899 | struct pvr2_v4l2_dev *dev; | |
900 | dev = container_of(vdev,struct pvr2_v4l2_dev,devbase); | |
901 | kfree(dev); | |
902 | } | |
903 | ||
904 | ||
07e337ee | 905 | static void pvr2_v4l2_internal_check(struct pvr2_channel *chp) |
d855497e MI |
906 | { |
907 | struct pvr2_v4l2 *vp; | |
908 | vp = container_of(chp,struct pvr2_v4l2,channel); | |
909 | if (!vp->channel.mc_head->disconnect_flag) return; | |
4a89baa2 MI |
910 | pvr2_v4l2_dev_disassociate_parent(vp->dev_video); |
911 | pvr2_v4l2_dev_disassociate_parent(vp->dev_radio); | |
d855497e MI |
912 | if (vp->vfirst) return; |
913 | pvr2_v4l2_destroy_no_lock(vp); | |
914 | } | |
915 | ||
916 | ||
069b7479 | 917 | static long pvr2_v4l2_ioctl(struct file *file, |
07e337ee | 918 | unsigned int cmd, unsigned long arg) |
d855497e MI |
919 | { |
920 | ||
c6d26cfe HV |
921 | struct pvr2_v4l2_fh *fh = file->private_data; |
922 | struct pvr2_v4l2 *vp = fh->vhead; | |
923 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
924 | long ret = -EINVAL; | |
925 | ||
926 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) | |
4a085168 | 927 | v4l_printk_ioctl(pvr2_hdw_get_driver_name(hdw), cmd); |
c6d26cfe HV |
928 | |
929 | if (!pvr2_hdw_dev_ok(hdw)) { | |
930 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
931 | "ioctl failed - bad or no context"); | |
932 | return -EFAULT; | |
933 | } | |
934 | ||
935 | /* check priority */ | |
936 | switch (cmd) { | |
937 | case VIDIOC_S_CTRL: | |
938 | case VIDIOC_S_STD: | |
939 | case VIDIOC_S_INPUT: | |
940 | case VIDIOC_S_TUNER: | |
941 | case VIDIOC_S_FREQUENCY: | |
942 | ret = v4l2_prio_check(&vp->prio, fh->prio); | |
943 | if (ret) | |
944 | return ret; | |
945 | } | |
946 | ||
947 | ret = video_ioctl2(file, cmd, arg); | |
948 | ||
949 | pvr2_hdw_commit_ctl(hdw); | |
950 | ||
951 | if (ret < 0) { | |
952 | if (pvrusb2_debug & PVR2_TRACE_V4LIOCTL) { | |
953 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
599bc36a AU |
954 | "pvr2_v4l2_do_ioctl failure, ret=%ld" |
955 | " command was:", ret); | |
956 | v4l_printk_ioctl(pvr2_hdw_get_driver_name(hdw), cmd); | |
c6d26cfe HV |
957 | } |
958 | } else { | |
959 | pvr2_trace(PVR2_TRACE_V4LIOCTL, | |
960 | "pvr2_v4l2_do_ioctl complete, ret=%ld (0x%lx)", | |
961 | ret, ret); | |
962 | } | |
963 | return ret; | |
964 | ||
d855497e MI |
965 | } |
966 | ||
967 | ||
bec43661 | 968 | static int pvr2_v4l2_release(struct file *file) |
d855497e MI |
969 | { |
970 | struct pvr2_v4l2_fh *fhp = file->private_data; | |
971 | struct pvr2_v4l2 *vp = fhp->vhead; | |
c74e0062 | 972 | struct pvr2_hdw *hdw = fhp->channel.mc_head->hdw; |
d855497e MI |
973 | |
974 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_release"); | |
975 | ||
976 | if (fhp->rhp) { | |
977 | struct pvr2_stream *sp; | |
d855497e MI |
978 | pvr2_hdw_set_streaming(hdw,0); |
979 | sp = pvr2_ioread_get_stream(fhp->rhp); | |
a0fd1cb1 | 980 | if (sp) pvr2_stream_set_callback(sp,NULL,NULL); |
d855497e | 981 | pvr2_ioread_destroy(fhp->rhp); |
a0fd1cb1 | 982 | fhp->rhp = NULL; |
d855497e | 983 | } |
ae2b9e25 | 984 | |
ffb4877b | 985 | v4l2_prio_close(&vp->prio, fhp->prio); |
d855497e MI |
986 | file->private_data = NULL; |
987 | ||
794b1607 MI |
988 | if (fhp->vnext) { |
989 | fhp->vnext->vprev = fhp->vprev; | |
990 | } else { | |
991 | vp->vlast = fhp->vprev; | |
992 | } | |
993 | if (fhp->vprev) { | |
994 | fhp->vprev->vnext = fhp->vnext; | |
995 | } else { | |
996 | vp->vfirst = fhp->vnext; | |
997 | } | |
998 | fhp->vnext = NULL; | |
999 | fhp->vprev = NULL; | |
1000 | fhp->vhead = NULL; | |
1001 | pvr2_channel_done(&fhp->channel); | |
1002 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1003 | "Destroying pvr_v4l2_fh id=%p",fhp); | |
e57b1c80 MI |
1004 | if (fhp->input_map) { |
1005 | kfree(fhp->input_map); | |
1006 | fhp->input_map = NULL; | |
1007 | } | |
794b1607 MI |
1008 | kfree(fhp); |
1009 | if (vp->channel.mc_head->disconnect_flag && !vp->vfirst) { | |
1010 | pvr2_v4l2_destroy_no_lock(vp); | |
1011 | } | |
d855497e MI |
1012 | return 0; |
1013 | } | |
1014 | ||
1015 | ||
bec43661 | 1016 | static int pvr2_v4l2_open(struct file *file) |
d855497e | 1017 | { |
75910053 | 1018 | struct pvr2_v4l2_dev *dip; /* Our own context pointer */ |
d855497e MI |
1019 | struct pvr2_v4l2_fh *fhp; |
1020 | struct pvr2_v4l2 *vp; | |
1021 | struct pvr2_hdw *hdw; | |
1cb03b76 | 1022 | unsigned int input_mask = 0; |
e57b1c80 | 1023 | unsigned int input_cnt,idx; |
1cb03b76 | 1024 | int ret = 0; |
d855497e | 1025 | |
75910053 | 1026 | dip = container_of(video_devdata(file),struct pvr2_v4l2_dev,devbase); |
d855497e MI |
1027 | |
1028 | vp = dip->v4lp; | |
1029 | hdw = vp->channel.hdw; | |
1030 | ||
1031 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE,"pvr2_v4l2_open"); | |
1032 | ||
1033 | if (!pvr2_hdw_dev_ok(hdw)) { | |
1034 | pvr2_trace(PVR2_TRACE_OPEN_CLOSE, | |
1035 | "pvr2_v4l2_open: hardware not ready"); | |
1036 | return -EIO; | |
1037 | } | |
1038 | ||
4b85dee6 | 1039 | fhp = kzalloc(sizeof(*fhp),GFP_KERNEL); |
d855497e MI |
1040 | if (!fhp) { |
1041 | return -ENOMEM; | |
1042 | } | |
d855497e MI |
1043 | |
1044 | init_waitqueue_head(&fhp->wait_data); | |
108bdd7a | 1045 | fhp->pdi = dip; |
d855497e | 1046 | |
794b1607 MI |
1047 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr_v4l2_fh id=%p",fhp); |
1048 | pvr2_channel_init(&fhp->channel,vp->channel.mc_head); | |
ae2b9e25 | 1049 | |
1cb03b76 MI |
1050 | if (dip->v4l_type == VFL_TYPE_RADIO) { |
1051 | /* Opening device as a radio, legal input selection subset | |
1052 | is just the radio. */ | |
1053 | input_mask = (1 << PVR2_CVAL_INPUT_RADIO); | |
1054 | } else { | |
1055 | /* Opening the main V4L device, legal input selection | |
1056 | subset includes all analog inputs. */ | |
1057 | input_mask = ((1 << PVR2_CVAL_INPUT_RADIO) | | |
1058 | (1 << PVR2_CVAL_INPUT_TV) | | |
1059 | (1 << PVR2_CVAL_INPUT_COMPOSITE) | | |
1060 | (1 << PVR2_CVAL_INPUT_SVIDEO)); | |
1061 | } | |
1062 | ret = pvr2_channel_limit_inputs(&fhp->channel,input_mask); | |
1063 | if (ret) { | |
1064 | pvr2_channel_done(&fhp->channel); | |
1065 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1066 | "Destroying pvr_v4l2_fh id=%p (input mask error)", | |
1067 | fhp); | |
1068 | ||
1069 | kfree(fhp); | |
1070 | return ret; | |
1071 | } | |
1072 | ||
e57b1c80 MI |
1073 | input_mask &= pvr2_hdw_get_input_available(hdw); |
1074 | input_cnt = 0; | |
1075 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1076 | if (input_mask & (1 << idx)) input_cnt++; | |
1077 | } | |
1078 | fhp->input_cnt = input_cnt; | |
1079 | fhp->input_map = kzalloc(input_cnt,GFP_KERNEL); | |
1080 | if (!fhp->input_map) { | |
1081 | pvr2_channel_done(&fhp->channel); | |
1082 | pvr2_trace(PVR2_TRACE_STRUCT, | |
1083 | "Destroying pvr_v4l2_fh id=%p (input map failure)", | |
1084 | fhp); | |
1085 | kfree(fhp); | |
1086 | return -ENOMEM; | |
1087 | } | |
1088 | input_cnt = 0; | |
1089 | for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { | |
1090 | if (!(input_mask & (1 << idx))) continue; | |
1091 | fhp->input_map[input_cnt++] = idx; | |
1092 | } | |
1093 | ||
794b1607 MI |
1094 | fhp->vnext = NULL; |
1095 | fhp->vprev = vp->vlast; | |
1096 | if (vp->vlast) { | |
1097 | vp->vlast->vnext = fhp; | |
1098 | } else { | |
1099 | vp->vfirst = fhp; | |
1100 | } | |
1101 | vp->vlast = fhp; | |
1102 | fhp->vhead = vp; | |
1103 | ||
d855497e MI |
1104 | fhp->file = file; |
1105 | file->private_data = fhp; | |
ffb4877b | 1106 | v4l2_prio_open(&vp->prio, &fhp->prio); |
d855497e MI |
1107 | |
1108 | fhp->fw_mode_flag = pvr2_hdw_cpufw_get_enabled(hdw); | |
1109 | ||
1110 | return 0; | |
1111 | } | |
1112 | ||
1113 | ||
1114 | static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp) | |
1115 | { | |
1116 | wake_up(&fhp->wait_data); | |
1117 | } | |
1118 | ||
1119 | static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh) | |
1120 | { | |
1121 | int ret; | |
1122 | struct pvr2_stream *sp; | |
1123 | struct pvr2_hdw *hdw; | |
1124 | if (fh->rhp) return 0; | |
1125 | ||
108bdd7a | 1126 | if (!fh->pdi->stream) { |
16eb40d3 MI |
1127 | /* No stream defined for this node. This means that we're |
1128 | not currently allowed to stream from this node. */ | |
1129 | return -EPERM; | |
1130 | } | |
1131 | ||
d855497e MI |
1132 | /* First read() attempt. Try to claim the stream and start |
1133 | it... */ | |
1134 | if ((ret = pvr2_channel_claim_stream(&fh->channel, | |
108bdd7a | 1135 | fh->pdi->stream)) != 0) { |
d855497e MI |
1136 | /* Someone else must already have it */ |
1137 | return ret; | |
1138 | } | |
1139 | ||
108bdd7a | 1140 | fh->rhp = pvr2_channel_create_mpeg_stream(fh->pdi->stream); |
d855497e | 1141 | if (!fh->rhp) { |
a0fd1cb1 | 1142 | pvr2_channel_claim_stream(&fh->channel,NULL); |
d855497e MI |
1143 | return -ENOMEM; |
1144 | } | |
1145 | ||
1146 | hdw = fh->channel.mc_head->hdw; | |
108bdd7a | 1147 | sp = fh->pdi->stream->stream; |
d855497e | 1148 | pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh); |
108bdd7a | 1149 | pvr2_hdw_set_stream_type(hdw,fh->pdi->config); |
681c7399 MI |
1150 | if ((ret = pvr2_hdw_set_streaming(hdw,!0)) < 0) return ret; |
1151 | return pvr2_ioread_set_enabled(fh->rhp,!0); | |
d855497e MI |
1152 | } |
1153 | ||
1154 | ||
1155 | static ssize_t pvr2_v4l2_read(struct file *file, | |
1156 | char __user *buff, size_t count, loff_t *ppos) | |
1157 | { | |
1158 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1159 | int ret; | |
1160 | ||
1161 | if (fh->fw_mode_flag) { | |
1162 | struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; | |
1163 | char *tbuf; | |
1164 | int c1,c2; | |
1165 | int tcnt = 0; | |
1166 | unsigned int offs = *ppos; | |
1167 | ||
1168 | tbuf = kmalloc(PAGE_SIZE,GFP_KERNEL); | |
1169 | if (!tbuf) return -ENOMEM; | |
1170 | ||
1171 | while (count) { | |
1172 | c1 = count; | |
1173 | if (c1 > PAGE_SIZE) c1 = PAGE_SIZE; | |
1174 | c2 = pvr2_hdw_cpufw_get(hdw,offs,tbuf,c1); | |
1175 | if (c2 < 0) { | |
1176 | tcnt = c2; | |
1177 | break; | |
1178 | } | |
1179 | if (!c2) break; | |
1180 | if (copy_to_user(buff,tbuf,c2)) { | |
1181 | tcnt = -EFAULT; | |
1182 | break; | |
1183 | } | |
1184 | offs += c2; | |
1185 | tcnt += c2; | |
1186 | buff += c2; | |
1187 | count -= c2; | |
1188 | *ppos += c2; | |
1189 | } | |
1190 | kfree(tbuf); | |
1191 | return tcnt; | |
1192 | } | |
1193 | ||
1194 | if (!fh->rhp) { | |
1195 | ret = pvr2_v4l2_iosetup(fh); | |
1196 | if (ret) { | |
1197 | return ret; | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | for (;;) { | |
1202 | ret = pvr2_ioread_read(fh->rhp,buff,count); | |
1203 | if (ret >= 0) break; | |
1204 | if (ret != -EAGAIN) break; | |
1205 | if (file->f_flags & O_NONBLOCK) break; | |
1206 | /* Doing blocking I/O. Wait here. */ | |
1207 | ret = wait_event_interruptible( | |
1208 | fh->wait_data, | |
1209 | pvr2_ioread_avail(fh->rhp) >= 0); | |
1210 | if (ret < 0) break; | |
1211 | } | |
1212 | ||
1213 | return ret; | |
1214 | } | |
1215 | ||
1216 | ||
1217 | static unsigned int pvr2_v4l2_poll(struct file *file, poll_table *wait) | |
1218 | { | |
1219 | unsigned int mask = 0; | |
1220 | struct pvr2_v4l2_fh *fh = file->private_data; | |
1221 | int ret; | |
1222 | ||
1223 | if (fh->fw_mode_flag) { | |
1224 | mask |= POLLIN | POLLRDNORM; | |
1225 | return mask; | |
1226 | } | |
1227 | ||
1228 | if (!fh->rhp) { | |
1229 | ret = pvr2_v4l2_iosetup(fh); | |
1230 | if (ret) return POLLERR; | |
1231 | } | |
1232 | ||
1233 | poll_wait(file,&fh->wait_data,wait); | |
1234 | ||
1235 | if (pvr2_ioread_avail(fh->rhp) >= 0) { | |
1236 | mask |= POLLIN | POLLRDNORM; | |
1237 | } | |
1238 | ||
1239 | return mask; | |
1240 | } | |
1241 | ||
1242 | ||
bec43661 | 1243 | static const struct v4l2_file_operations vdev_fops = { |
d855497e MI |
1244 | .owner = THIS_MODULE, |
1245 | .open = pvr2_v4l2_open, | |
1246 | .release = pvr2_v4l2_release, | |
1247 | .read = pvr2_v4l2_read, | |
1248 | .ioctl = pvr2_v4l2_ioctl, | |
d855497e MI |
1249 | .poll = pvr2_v4l2_poll, |
1250 | }; | |
1251 | ||
1252 | ||
d855497e | 1253 | static struct video_device vdev_template = { |
d855497e MI |
1254 | .fops = &vdev_fops, |
1255 | }; | |
1256 | ||
1257 | ||
1258 | static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip, | |
1259 | struct pvr2_v4l2 *vp, | |
16eb40d3 | 1260 | int v4l_type) |
d855497e MI |
1261 | { |
1262 | int mindevnum; | |
1263 | int unit_number; | |
598e978a | 1264 | struct pvr2_hdw *hdw; |
89952d13 | 1265 | int *nr_ptr = NULL; |
d855497e | 1266 | dip->v4lp = vp; |
d855497e | 1267 | |
598e978a | 1268 | hdw = vp->channel.mc_head->hdw; |
16eb40d3 MI |
1269 | dip->v4l_type = v4l_type; |
1270 | switch (v4l_type) { | |
1271 | case VFL_TYPE_GRABBER: | |
d855497e | 1272 | dip->stream = &vp->channel.mc_head->video_stream; |
16eb40d3 MI |
1273 | dip->config = pvr2_config_mpeg; |
1274 | dip->minor_type = pvr2_v4l_type_video; | |
1275 | nr_ptr = video_nr; | |
c74e0062 | 1276 | if (!dip->stream) { |
be9ed511 MCC |
1277 | pr_err(KBUILD_MODNAME |
1278 | ": Failed to set up pvrusb2 v4l video dev" | |
1279 | " due to missing stream instance\n"); | |
c74e0062 MI |
1280 | return; |
1281 | } | |
d855497e | 1282 | break; |
16eb40d3 MI |
1283 | case VFL_TYPE_VBI: |
1284 | dip->config = pvr2_config_vbi; | |
1285 | dip->minor_type = pvr2_v4l_type_vbi; | |
1286 | nr_ptr = vbi_nr; | |
d855497e | 1287 | break; |
16eb40d3 | 1288 | case VFL_TYPE_RADIO: |
af78a48b MI |
1289 | dip->stream = &vp->channel.mc_head->video_stream; |
1290 | dip->config = pvr2_config_mpeg; | |
16eb40d3 MI |
1291 | dip->minor_type = pvr2_v4l_type_radio; |
1292 | nr_ptr = radio_nr; | |
d855497e MI |
1293 | break; |
1294 | default: | |
1295 | /* Bail out (this should be impossible) */ | |
be9ed511 MCC |
1296 | pr_err(KBUILD_MODNAME ": Failed to set up pvrusb2 v4l dev" |
1297 | " due to unrecognized config\n"); | |
d855497e MI |
1298 | return; |
1299 | } | |
1300 | ||
5338c169 | 1301 | dip->devbase = vdev_template; |
75910053 | 1302 | dip->devbase.release = pvr2_video_device_release; |
c6d26cfe | 1303 | dip->devbase.ioctl_ops = &pvr2_ioctl_ops; |
d8329f8e MI |
1304 | { |
1305 | int val; | |
1306 | pvr2_ctrl_get_value( | |
598e978a | 1307 | pvr2_hdw_get_ctrl_by_id(hdw, |
d8329f8e MI |
1308 | PVR2_CID_STDAVAIL), &val); |
1309 | dip->devbase.tvnorms = (v4l2_std_id)val; | |
1310 | } | |
d855497e MI |
1311 | |
1312 | mindevnum = -1; | |
598e978a | 1313 | unit_number = pvr2_hdw_get_unit_number(hdw); |
16eb40d3 MI |
1314 | if (nr_ptr && (unit_number >= 0) && (unit_number < PVR_NUM)) { |
1315 | mindevnum = nr_ptr[unit_number]; | |
d855497e | 1316 | } |
a28fbd04 | 1317 | pvr2_hdw_set_v4l2_dev(hdw, &dip->devbase); |
16eb40d3 MI |
1318 | if ((video_register_device(&dip->devbase, |
1319 | dip->v4l_type, mindevnum) < 0) && | |
1320 | (video_register_device(&dip->devbase, | |
1321 | dip->v4l_type, -1) < 0)) { | |
be9ed511 MCC |
1322 | pr_err(KBUILD_MODNAME |
1323 | ": Failed to register pvrusb2 v4l device\n"); | |
ae2b9e25 | 1324 | } |
16eb40d3 | 1325 | |
38c7c036 LP |
1326 | printk(KERN_INFO "pvrusb2: registered device %s [%s]\n", |
1327 | video_device_node_name(&dip->devbase), | |
16eb40d3 | 1328 | pvr2_config_get_name(dip->config)); |
d855497e | 1329 | |
598e978a | 1330 | pvr2_hdw_v4l_store_minor_number(hdw, |
16eb40d3 | 1331 | dip->minor_type,dip->devbase.minor); |
d855497e MI |
1332 | } |
1333 | ||
1334 | ||
1335 | struct pvr2_v4l2 *pvr2_v4l2_create(struct pvr2_context *mnp) | |
1336 | { | |
1337 | struct pvr2_v4l2 *vp; | |
1338 | ||
4b85dee6 | 1339 | vp = kzalloc(sizeof(*vp),GFP_KERNEL); |
d855497e | 1340 | if (!vp) return vp; |
d855497e MI |
1341 | pvr2_channel_init(&vp->channel,mnp); |
1342 | pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr2_v4l2 id=%p",vp); | |
1343 | ||
1344 | vp->channel.check_func = pvr2_v4l2_internal_check; | |
1345 | ||
1346 | /* register streams */ | |
beb0ecd7 MI |
1347 | vp->dev_video = kzalloc(sizeof(*vp->dev_video),GFP_KERNEL); |
1348 | if (!vp->dev_video) goto fail; | |
16eb40d3 | 1349 | pvr2_v4l2_dev_init(vp->dev_video,vp,VFL_TYPE_GRABBER); |
e57b1c80 MI |
1350 | if (pvr2_hdw_get_input_available(vp->channel.mc_head->hdw) & |
1351 | (1 << PVR2_CVAL_INPUT_RADIO)) { | |
beb0ecd7 MI |
1352 | vp->dev_radio = kzalloc(sizeof(*vp->dev_radio),GFP_KERNEL); |
1353 | if (!vp->dev_radio) goto fail; | |
1354 | pvr2_v4l2_dev_init(vp->dev_radio,vp,VFL_TYPE_RADIO); | |
1355 | } | |
d855497e MI |
1356 | |
1357 | return vp; | |
beb0ecd7 MI |
1358 | fail: |
1359 | pvr2_trace(PVR2_TRACE_STRUCT,"Failure creating pvr2_v4l2 id=%p",vp); | |
1360 | pvr2_v4l2_destroy_no_lock(vp); | |
a6a3a17b | 1361 | return NULL; |
d855497e MI |
1362 | } |
1363 | ||
1364 | /* | |
1365 | Stuff for Emacs to see, in order to encourage consistent editing style: | |
1366 | *** Local Variables: *** | |
1367 | *** mode: c *** | |
1368 | *** fill-column: 75 *** | |
1369 | *** tab-width: 8 *** | |
1370 | *** c-basic-offset: 8 *** | |
1371 | *** End: *** | |
1372 | */ |