Commit | Line | Data |
---|---|---|
9aba42ef | 1 | /* |
e86da6f0 | 2 | * Hauppauge HD PVR USB driver - video 4 linux 2 interface |
9aba42ef JG |
3 | * |
4 | * Copyright (C) 2008 Janne Grunau (j@jannau.net) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
8 | * published by the Free Software Foundation, version 2. | |
9 | * | |
10 | */ | |
11 | ||
12 | #include <linux/kernel.h> | |
13 | #include <linux/errno.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/slab.h> | |
16 | #include <linux/module.h> | |
17 | #include <linux/uaccess.h> | |
18 | #include <linux/usb.h> | |
19 | #include <linux/mutex.h> | |
20 | #include <linux/version.h> | |
21 | #include <linux/workqueue.h> | |
22 | ||
23 | #include <linux/videodev2.h> | |
24 | #include <media/v4l2-dev.h> | |
25 | #include <media/v4l2-common.h> | |
26 | #include <media/v4l2-ioctl.h> | |
27 | #include "hdpvr.h" | |
28 | ||
29 | #define BULK_URB_TIMEOUT 1250 /* 1.25 seconds */ | |
30 | ||
31 | struct hdpvr_fh { | |
32 | struct hdpvr_device *dev; | |
33 | }; | |
34 | ||
35 | static uint list_size(struct list_head *list) | |
36 | { | |
37 | struct list_head *tmp; | |
38 | uint count = 0; | |
39 | ||
40 | list_for_each(tmp, list) { | |
41 | count++; | |
42 | } | |
43 | ||
44 | return count; | |
45 | } | |
46 | ||
47 | /*=========================================================================*/ | |
48 | /* urb callback */ | |
49 | static void hdpvr_read_bulk_callback(struct urb *urb) | |
50 | { | |
51 | struct hdpvr_buffer *buf = (struct hdpvr_buffer *)urb->context; | |
52 | struct hdpvr_device *dev = buf->dev; | |
53 | ||
54 | /* marking buffer as received and wake waiting */ | |
55 | buf->status = BUFSTAT_READY; | |
56 | wake_up_interruptible(&dev->wait_data); | |
57 | } | |
58 | ||
59 | /*=========================================================================*/ | |
60 | /* bufffer bits */ | |
61 | ||
62 | /* function expects dev->io_mutex to be hold by caller */ | |
63 | int hdpvr_cancel_queue(struct hdpvr_device *dev) | |
64 | { | |
65 | struct hdpvr_buffer *buf; | |
66 | ||
67 | list_for_each_entry(buf, &dev->rec_buff_list, buff_list) { | |
68 | usb_kill_urb(buf->urb); | |
69 | buf->status = BUFSTAT_AVAILABLE; | |
70 | } | |
71 | ||
72 | list_splice_init(&dev->rec_buff_list, dev->free_buff_list.prev); | |
73 | ||
74 | return 0; | |
75 | } | |
76 | ||
77 | static int hdpvr_free_queue(struct list_head *q) | |
78 | { | |
79 | struct list_head *tmp; | |
80 | struct list_head *p; | |
81 | struct hdpvr_buffer *buf; | |
82 | struct urb *urb; | |
83 | ||
84 | for (p = q->next; p != q;) { | |
85 | buf = list_entry(p, struct hdpvr_buffer, buff_list); | |
86 | ||
87 | urb = buf->urb; | |
88 | usb_buffer_free(urb->dev, urb->transfer_buffer_length, | |
89 | urb->transfer_buffer, urb->transfer_dma); | |
90 | usb_free_urb(urb); | |
91 | tmp = p->next; | |
92 | list_del(p); | |
93 | kfree(buf); | |
94 | p = tmp; | |
95 | } | |
96 | ||
97 | return 0; | |
98 | } | |
99 | ||
100 | /* function expects dev->io_mutex to be hold by caller */ | |
101 | int hdpvr_free_buffers(struct hdpvr_device *dev) | |
102 | { | |
103 | hdpvr_cancel_queue(dev); | |
104 | ||
105 | hdpvr_free_queue(&dev->free_buff_list); | |
106 | hdpvr_free_queue(&dev->rec_buff_list); | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
111 | /* function expects dev->io_mutex to be hold by caller */ | |
112 | int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count) | |
113 | { | |
114 | uint i; | |
115 | int retval = -ENOMEM; | |
116 | u8 *mem; | |
117 | struct hdpvr_buffer *buf; | |
118 | struct urb *urb; | |
119 | ||
120 | v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, | |
121 | "allocating %u buffers\n", count); | |
122 | ||
123 | for (i = 0; i < count; i++) { | |
124 | ||
125 | buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL); | |
126 | if (!buf) { | |
127 | err("cannot allocate buffer"); | |
128 | goto exit; | |
129 | } | |
130 | buf->dev = dev; | |
131 | ||
132 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
133 | if (!urb) { | |
134 | err("cannot allocate urb"); | |
135 | goto exit; | |
136 | } | |
137 | buf->urb = urb; | |
138 | ||
139 | mem = usb_buffer_alloc(dev->udev, dev->bulk_in_size, GFP_KERNEL, | |
140 | &urb->transfer_dma); | |
141 | if (!mem) { | |
142 | err("cannot allocate usb transfer buffer"); | |
143 | goto exit; | |
144 | } | |
145 | ||
146 | usb_fill_bulk_urb(buf->urb, dev->udev, | |
147 | usb_rcvbulkpipe(dev->udev, | |
148 | dev->bulk_in_endpointAddr), | |
149 | mem, dev->bulk_in_size, | |
150 | hdpvr_read_bulk_callback, buf); | |
151 | ||
152 | buf->status = BUFSTAT_AVAILABLE; | |
153 | list_add_tail(&buf->buff_list, &dev->free_buff_list); | |
154 | } | |
155 | return 0; | |
156 | exit: | |
157 | hdpvr_free_buffers(dev); | |
158 | return retval; | |
159 | } | |
160 | ||
161 | static int hdpvr_submit_buffers(struct hdpvr_device *dev) | |
162 | { | |
163 | struct hdpvr_buffer *buf; | |
164 | struct urb *urb; | |
165 | int ret = 0, err_count = 0; | |
166 | ||
167 | mutex_lock(&dev->io_mutex); | |
168 | ||
169 | while (dev->status == STATUS_STREAMING && | |
170 | !list_empty(&dev->free_buff_list)) { | |
171 | ||
172 | buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer, | |
173 | buff_list); | |
174 | if (buf->status != BUFSTAT_AVAILABLE) { | |
175 | err("buffer not marked as availbale"); | |
176 | ret = -EFAULT; | |
177 | goto err; | |
178 | } | |
179 | ||
180 | urb = buf->urb; | |
181 | urb->status = 0; | |
182 | urb->actual_length = 0; | |
183 | ret = usb_submit_urb(urb, GFP_KERNEL); | |
184 | if (ret) { | |
185 | err("usb_submit_urb in %s returned %d", __func__, ret); | |
186 | if (++err_count > 2) | |
187 | break; | |
188 | continue; | |
189 | } | |
190 | buf->status = BUFSTAT_INPROGRESS; | |
191 | list_move_tail(&buf->buff_list, &dev->rec_buff_list); | |
192 | } | |
193 | err: | |
194 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, | |
195 | "buffer queue stat: %d free, %d proc\n", | |
196 | list_size(&dev->free_buff_list), | |
197 | list_size(&dev->rec_buff_list)); | |
198 | mutex_unlock(&dev->io_mutex); | |
199 | return ret; | |
200 | } | |
201 | ||
202 | static struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev) | |
203 | { | |
204 | struct hdpvr_buffer *buf; | |
205 | ||
206 | mutex_lock(&dev->io_mutex); | |
207 | ||
208 | if (list_empty(&dev->rec_buff_list)) { | |
209 | mutex_unlock(&dev->io_mutex); | |
210 | return NULL; | |
211 | } | |
212 | ||
213 | buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer, | |
214 | buff_list); | |
215 | mutex_unlock(&dev->io_mutex); | |
216 | ||
217 | return buf; | |
218 | } | |
219 | ||
220 | static void hdpvr_transmit_buffers(struct work_struct *work) | |
221 | { | |
222 | struct hdpvr_device *dev = container_of(work, struct hdpvr_device, | |
223 | worker); | |
224 | ||
225 | while (dev->status == STATUS_STREAMING) { | |
226 | ||
227 | if (hdpvr_submit_buffers(dev)) { | |
228 | v4l2_err(dev->video_dev, "couldn't submit buffers\n"); | |
229 | goto error; | |
230 | } | |
231 | if (wait_event_interruptible(dev->wait_buffer, | |
232 | !list_empty(&dev->free_buff_list) || | |
233 | dev->status != STATUS_STREAMING)) | |
234 | goto error; | |
235 | } | |
236 | ||
237 | v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, | |
238 | "transmit worker exited\n"); | |
239 | return; | |
240 | error: | |
241 | v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, | |
242 | "transmit buffers errored\n"); | |
243 | dev->status = STATUS_ERROR; | |
244 | } | |
245 | ||
246 | /* function expects dev->io_mutex to be hold by caller */ | |
247 | static int hdpvr_start_streaming(struct hdpvr_device *dev) | |
248 | { | |
249 | int ret; | |
250 | struct hdpvr_video_info *vidinf; | |
251 | ||
252 | if (dev->status == STATUS_STREAMING) | |
253 | return 0; | |
254 | else if (dev->status != STATUS_IDLE) | |
255 | return -EAGAIN; | |
256 | ||
257 | vidinf = get_video_info(dev); | |
258 | ||
259 | if (vidinf) { | |
260 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, | |
261 | "video signal: %dx%d@%dhz\n", vidinf->width, | |
262 | vidinf->height, vidinf->fps); | |
263 | kfree(vidinf); | |
264 | ||
265 | /* start streaming 2 request */ | |
266 | ret = usb_control_msg(dev->udev, | |
267 | usb_sndctrlpipe(dev->udev, 0), | |
268 | 0xb8, 0x38, 0x1, 0, NULL, 0, 8000); | |
269 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, | |
270 | "encoder start control request returned %d\n", ret); | |
271 | ||
272 | hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00); | |
273 | ||
274 | INIT_WORK(&dev->worker, hdpvr_transmit_buffers); | |
275 | queue_work(dev->workqueue, &dev->worker); | |
276 | ||
277 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, | |
278 | "streaming started\n"); | |
279 | dev->status = STATUS_STREAMING; | |
280 | ||
281 | return 0; | |
282 | } | |
283 | msleep(250); | |
284 | v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, | |
285 | "no video signal at input %d\n", dev->options.video_input); | |
286 | return -EAGAIN; | |
287 | } | |
288 | ||
289 | ||
290 | /* function expects dev->io_mutex to be hold by caller */ | |
291 | static int hdpvr_stop_streaming(struct hdpvr_device *dev) | |
292 | { | |
293 | if (dev->status == STATUS_IDLE) | |
294 | return 0; | |
295 | else if (dev->status != STATUS_STREAMING) | |
296 | return -EAGAIN; | |
297 | ||
298 | dev->status = STATUS_SHUTTING_DOWN; | |
299 | hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00); | |
300 | ||
301 | wake_up_interruptible(&dev->wait_buffer); | |
302 | msleep(50); | |
303 | ||
304 | flush_workqueue(dev->workqueue); | |
305 | ||
306 | /* kill the still outstanding urbs */ | |
307 | hdpvr_cancel_queue(dev); | |
308 | ||
309 | dev->status = STATUS_IDLE; | |
310 | ||
311 | return 0; | |
312 | } | |
313 | ||
314 | ||
315 | /*=======================================================================*/ | |
316 | /* | |
317 | * video 4 linux 2 file operations | |
318 | */ | |
319 | ||
320 | static int hdpvr_open(struct file *file) | |
321 | { | |
322 | struct hdpvr_device *dev; | |
323 | struct hdpvr_fh *fh; | |
324 | int retval = -ENOMEM; | |
325 | ||
326 | dev = (struct hdpvr_device *)video_get_drvdata(video_devdata(file)); | |
327 | if (!dev) { | |
328 | err("open failing with with ENODEV"); | |
329 | retval = -ENODEV; | |
330 | goto err; | |
331 | } | |
332 | ||
333 | fh = kzalloc(sizeof(struct hdpvr_fh), GFP_KERNEL); | |
334 | if (!fh) { | |
335 | err("Out of memory?"); | |
336 | goto err; | |
337 | } | |
338 | /* lock the device to allow correctly handling errors | |
339 | * in resumption */ | |
340 | mutex_lock(&dev->io_mutex); | |
341 | dev->open_count++; | |
342 | ||
343 | fh->dev = dev; | |
344 | ||
345 | /* save our object in the file's private structure */ | |
346 | file->private_data = fh; | |
347 | ||
348 | retval = 0; | |
349 | err: | |
350 | mutex_unlock(&dev->io_mutex); | |
351 | return retval; | |
352 | } | |
353 | ||
354 | static int hdpvr_release(struct file *file) | |
355 | { | |
356 | struct hdpvr_fh *fh = (struct hdpvr_fh *)file->private_data; | |
357 | struct hdpvr_device *dev = fh->dev; | |
358 | ||
359 | if (!dev) | |
360 | return -ENODEV; | |
361 | ||
362 | mutex_lock(&dev->io_mutex); | |
363 | if (!(--dev->open_count) && dev->status == STATUS_STREAMING) | |
364 | hdpvr_stop_streaming(dev); | |
365 | ||
366 | mutex_unlock(&dev->io_mutex); | |
367 | ||
368 | return 0; | |
369 | } | |
370 | ||
371 | /* | |
372 | * hdpvr_v4l2_read() | |
373 | * will allocate buffers when called for the first time | |
374 | */ | |
375 | static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, | |
376 | loff_t *pos) | |
377 | { | |
378 | struct hdpvr_fh *fh = file->private_data; | |
379 | struct hdpvr_device *dev = fh->dev; | |
380 | struct hdpvr_buffer *buf = NULL; | |
381 | struct urb *urb; | |
382 | unsigned int ret = 0; | |
383 | int rem, cnt; | |
384 | ||
385 | if (*pos) | |
386 | return -ESPIPE; | |
387 | ||
388 | if (!dev) | |
389 | return -ENODEV; | |
390 | ||
391 | mutex_lock(&dev->io_mutex); | |
392 | if (dev->status == STATUS_IDLE) { | |
393 | if (hdpvr_start_streaming(dev)) { | |
394 | v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, | |
395 | "start_streaming failed"); | |
396 | ret = -EIO; | |
397 | msleep(200); | |
398 | dev->status = STATUS_IDLE; | |
399 | mutex_unlock(&dev->io_mutex); | |
400 | goto err; | |
401 | } | |
402 | ||
403 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, | |
404 | "buffer queue stat: %d free, %d proc\n", | |
405 | list_size(&dev->free_buff_list), | |
406 | list_size(&dev->rec_buff_list)); | |
407 | } | |
408 | mutex_unlock(&dev->io_mutex); | |
409 | ||
410 | /* wait for the first buffer */ | |
411 | if (!(file->f_flags & O_NONBLOCK)) { | |
412 | if (wait_event_interruptible(dev->wait_data, | |
413 | hdpvr_get_next_buffer(dev))) | |
414 | return -ERESTARTSYS; | |
415 | } | |
416 | ||
417 | buf = hdpvr_get_next_buffer(dev); | |
418 | ||
419 | while (count > 0 && buf) { | |
420 | ||
421 | if (buf->status != BUFSTAT_READY && | |
422 | dev->status != STATUS_DISCONNECTED) { | |
423 | /* return nonblocking */ | |
424 | if (file->f_flags & O_NONBLOCK) { | |
425 | if (!ret) | |
426 | ret = -EAGAIN; | |
427 | goto err; | |
428 | } | |
429 | ||
430 | if (wait_event_interruptible(dev->wait_data, | |
431 | buf->status == BUFSTAT_READY)) { | |
432 | ret = -ERESTARTSYS; | |
433 | goto err; | |
434 | } | |
435 | } | |
436 | ||
437 | if (buf->status != BUFSTAT_READY) | |
438 | break; | |
439 | ||
440 | /* set remaining bytes to copy */ | |
441 | urb = buf->urb; | |
442 | rem = urb->actual_length - buf->pos; | |
443 | cnt = rem > count ? count : rem; | |
444 | ||
445 | if (copy_to_user(buffer, urb->transfer_buffer + buf->pos, | |
446 | cnt)) { | |
447 | err("read: copy_to_user failed"); | |
448 | if (!ret) | |
449 | ret = -EFAULT; | |
450 | goto err; | |
451 | } | |
452 | ||
453 | buf->pos += cnt; | |
454 | count -= cnt; | |
455 | buffer += cnt; | |
456 | ret += cnt; | |
457 | ||
458 | /* finished, take next buffer */ | |
459 | if (buf->pos == urb->actual_length) { | |
460 | mutex_lock(&dev->io_mutex); | |
461 | buf->pos = 0; | |
462 | buf->status = BUFSTAT_AVAILABLE; | |
463 | ||
464 | list_move_tail(&buf->buff_list, &dev->free_buff_list); | |
465 | ||
466 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, | |
467 | "buffer queue stat: %d free, %d proc\n", | |
468 | list_size(&dev->free_buff_list), | |
469 | list_size(&dev->rec_buff_list)); | |
470 | ||
471 | mutex_unlock(&dev->io_mutex); | |
472 | ||
473 | wake_up_interruptible(&dev->wait_buffer); | |
474 | ||
475 | buf = hdpvr_get_next_buffer(dev); | |
476 | } | |
477 | } | |
478 | err: | |
479 | if (!ret && !buf) | |
480 | ret = -EAGAIN; | |
481 | return ret; | |
482 | } | |
483 | ||
484 | static unsigned int hdpvr_poll(struct file *filp, poll_table *wait) | |
485 | { | |
486 | struct hdpvr_fh *fh = (struct hdpvr_fh *)filp->private_data; | |
487 | struct hdpvr_device *dev = fh->dev; | |
488 | unsigned int mask = 0; | |
489 | ||
490 | mutex_lock(&dev->io_mutex); | |
491 | ||
492 | if (video_is_unregistered(dev->video_dev)) | |
493 | return -EIO; | |
494 | ||
495 | if (dev->status == STATUS_IDLE) { | |
496 | if (hdpvr_start_streaming(dev)) { | |
497 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, | |
498 | "start_streaming failed"); | |
499 | dev->status = STATUS_IDLE; | |
500 | } | |
501 | ||
502 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, | |
503 | "buffer queue stat: %d free, %d proc\n", | |
504 | list_size(&dev->free_buff_list), | |
505 | list_size(&dev->rec_buff_list)); | |
506 | } | |
507 | mutex_unlock(&dev->io_mutex); | |
508 | ||
509 | poll_wait(filp, &dev->wait_data, wait); | |
510 | ||
511 | mutex_lock(&dev->io_mutex); | |
512 | if (!list_empty(&dev->rec_buff_list)) { | |
513 | ||
514 | struct hdpvr_buffer *buf = list_entry(dev->rec_buff_list.next, | |
515 | struct hdpvr_buffer, | |
516 | buff_list); | |
517 | ||
518 | if (buf->status == BUFSTAT_READY) | |
519 | mask |= POLLIN | POLLRDNORM; | |
520 | } | |
521 | mutex_unlock(&dev->io_mutex); | |
522 | ||
523 | return mask; | |
524 | } | |
525 | ||
526 | ||
9aba42ef JG |
527 | static const struct v4l2_file_operations hdpvr_fops = { |
528 | .owner = THIS_MODULE, | |
529 | .open = hdpvr_open, | |
530 | .release = hdpvr_release, | |
531 | .read = hdpvr_read, | |
532 | .poll = hdpvr_poll, | |
76717b88 | 533 | .unlocked_ioctl = video_ioctl2, |
9aba42ef JG |
534 | }; |
535 | ||
536 | /*=======================================================================*/ | |
537 | /* | |
538 | * V4L2 ioctl handling | |
539 | */ | |
540 | ||
541 | static int vidioc_querycap(struct file *file, void *priv, | |
542 | struct v4l2_capability *cap) | |
543 | { | |
544 | struct hdpvr_device *dev = video_drvdata(file); | |
545 | ||
546 | strcpy(cap->driver, "hdpvr"); | |
547 | strcpy(cap->card, "Haupauge HD PVR"); | |
548 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); | |
549 | cap->version = HDPVR_VERSION; | |
550 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | | |
551 | V4L2_CAP_AUDIO | | |
552 | V4L2_CAP_READWRITE; | |
553 | return 0; | |
554 | } | |
555 | ||
556 | static int vidioc_s_std(struct file *file, void *private_data, | |
557 | v4l2_std_id *std) | |
558 | { | |
559 | struct hdpvr_fh *fh = file->private_data; | |
560 | struct hdpvr_device *dev = fh->dev; | |
561 | u8 std_type = 1; | |
562 | ||
563 | if (*std & (V4L2_STD_NTSC | V4L2_STD_PAL_60)) | |
564 | std_type = 0; | |
565 | ||
566 | return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type); | |
567 | } | |
568 | ||
569 | static const char *iname[] = { | |
570 | [HDPVR_COMPONENT] = "Component", | |
571 | [HDPVR_SVIDEO] = "S-Video", | |
572 | [HDPVR_COMPOSITE] = "Composite", | |
573 | }; | |
574 | ||
575 | static int vidioc_enum_input(struct file *file, void *priv, | |
576 | struct v4l2_input *i) | |
577 | { | |
578 | struct hdpvr_fh *fh = file->private_data; | |
579 | struct hdpvr_device *dev = fh->dev; | |
580 | unsigned int n; | |
581 | ||
582 | n = i->index; | |
583 | if (n >= HDPVR_VIDEO_INPUTS) | |
584 | return -EINVAL; | |
585 | ||
586 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
587 | ||
588 | strncpy(i->name, iname[n], sizeof(i->name) - 1); | |
589 | i->name[sizeof(i->name) - 1] = '\0'; | |
590 | ||
591 | i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF; | |
592 | ||
593 | i->std = dev->video_dev->tvnorms; | |
594 | ||
595 | return 0; | |
596 | } | |
597 | ||
598 | static int vidioc_s_input(struct file *file, void *private_data, | |
599 | unsigned int index) | |
600 | { | |
601 | struct hdpvr_fh *fh = file->private_data; | |
602 | struct hdpvr_device *dev = fh->dev; | |
603 | int retval; | |
604 | ||
605 | if (index >= HDPVR_VIDEO_INPUTS) | |
606 | return -EINVAL; | |
607 | ||
608 | if (dev->status != STATUS_IDLE) | |
609 | return -EAGAIN; | |
610 | ||
611 | retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1); | |
612 | if (!retval) | |
613 | dev->options.video_input = index; | |
614 | ||
615 | return retval; | |
616 | } | |
617 | ||
618 | static int vidioc_g_input(struct file *file, void *private_data, | |
619 | unsigned int *index) | |
620 | { | |
621 | struct hdpvr_fh *fh = file->private_data; | |
622 | struct hdpvr_device *dev = fh->dev; | |
623 | ||
624 | *index = dev->options.video_input; | |
625 | return 0; | |
626 | } | |
627 | ||
628 | ||
629 | static const char *audio_iname[] = { | |
630 | [HDPVR_RCA_FRONT] = "RCA front", | |
631 | [HDPVR_RCA_BACK] = "RCA back", | |
632 | [HDPVR_SPDIF] = "SPDIF", | |
633 | }; | |
634 | ||
635 | static int vidioc_enumaudio(struct file *file, void *priv, | |
636 | struct v4l2_audio *audio) | |
637 | { | |
638 | unsigned int n; | |
639 | ||
640 | n = audio->index; | |
641 | if (n >= HDPVR_AUDIO_INPUTS) | |
642 | return -EINVAL; | |
643 | ||
644 | audio->capability = V4L2_AUDCAP_STEREO; | |
645 | ||
646 | strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1); | |
647 | audio->name[sizeof(audio->name) - 1] = '\0'; | |
648 | ||
649 | return 0; | |
650 | } | |
651 | ||
652 | static int vidioc_s_audio(struct file *file, void *private_data, | |
653 | struct v4l2_audio *audio) | |
654 | { | |
655 | struct hdpvr_fh *fh = file->private_data; | |
656 | struct hdpvr_device *dev = fh->dev; | |
657 | int retval; | |
658 | ||
659 | if (audio->index >= HDPVR_AUDIO_INPUTS) | |
660 | return -EINVAL; | |
661 | ||
662 | if (dev->status != STATUS_IDLE) | |
663 | return -EAGAIN; | |
664 | ||
665 | retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec); | |
666 | if (!retval) | |
667 | dev->options.audio_input = audio->index; | |
668 | ||
669 | return retval; | |
670 | } | |
671 | ||
672 | static int vidioc_g_audio(struct file *file, void *private_data, | |
673 | struct v4l2_audio *audio) | |
674 | { | |
675 | struct hdpvr_fh *fh = file->private_data; | |
676 | struct hdpvr_device *dev = fh->dev; | |
677 | ||
678 | audio->index = dev->options.audio_input; | |
679 | audio->capability = V4L2_AUDCAP_STEREO; | |
680 | strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name)); | |
681 | audio->name[sizeof(audio->name) - 1] = '\0'; | |
682 | return 0; | |
683 | } | |
684 | ||
685 | static const s32 supported_v4l2_ctrls[] = { | |
686 | V4L2_CID_BRIGHTNESS, | |
687 | V4L2_CID_CONTRAST, | |
688 | V4L2_CID_SATURATION, | |
689 | V4L2_CID_HUE, | |
690 | V4L2_CID_SHARPNESS, | |
691 | V4L2_CID_MPEG_AUDIO_ENCODING, | |
692 | V4L2_CID_MPEG_VIDEO_ENCODING, | |
693 | V4L2_CID_MPEG_VIDEO_BITRATE_MODE, | |
694 | V4L2_CID_MPEG_VIDEO_BITRATE, | |
695 | V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, | |
696 | }; | |
697 | ||
698 | static int fill_queryctrl(struct hdpvr_options *opt, struct v4l2_queryctrl *qc, | |
699 | int ac3) | |
700 | { | |
701 | int err; | |
702 | ||
703 | switch (qc->id) { | |
704 | case V4L2_CID_BRIGHTNESS: | |
705 | return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x86); | |
706 | case V4L2_CID_CONTRAST: | |
707 | return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); | |
708 | case V4L2_CID_SATURATION: | |
709 | return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); | |
710 | case V4L2_CID_HUE: | |
711 | return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); | |
712 | case V4L2_CID_SHARPNESS: | |
713 | return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); | |
714 | case V4L2_CID_MPEG_AUDIO_ENCODING: | |
715 | return v4l2_ctrl_query_fill( | |
716 | qc, V4L2_MPEG_AUDIO_ENCODING_AAC, | |
717 | ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 | |
718 | : V4L2_MPEG_AUDIO_ENCODING_AAC, | |
719 | 1, V4L2_MPEG_AUDIO_ENCODING_AAC); | |
720 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
721 | return v4l2_ctrl_query_fill( | |
722 | qc, V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, | |
723 | V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1, | |
724 | V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC); | |
725 | ||
726 | /* case V4L2_CID_MPEG_VIDEO_? maybe keyframe interval: */ | |
727 | /* return v4l2_ctrl_query_fill(qc, 0, 128, 128, 0); */ | |
728 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: | |
729 | return v4l2_ctrl_query_fill( | |
730 | qc, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, | |
731 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1, | |
732 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); | |
733 | ||
734 | case V4L2_CID_MPEG_VIDEO_BITRATE: | |
735 | return v4l2_ctrl_query_fill(qc, 1000000, 13500000, 100000, | |
736 | 6500000); | |
737 | case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: | |
738 | err = v4l2_ctrl_query_fill(qc, 1100000, 20200000, 100000, | |
739 | 9000000); | |
740 | if (!err && opt->bitrate_mode == HDPVR_CONSTANT) | |
741 | qc->flags |= V4L2_CTRL_FLAG_INACTIVE; | |
742 | return err; | |
743 | default: | |
744 | return -EINVAL; | |
745 | } | |
746 | } | |
747 | ||
748 | static int vidioc_queryctrl(struct file *file, void *private_data, | |
749 | struct v4l2_queryctrl *qc) | |
750 | { | |
751 | struct hdpvr_fh *fh = file->private_data; | |
752 | struct hdpvr_device *dev = fh->dev; | |
753 | int i, next; | |
754 | u32 id = qc->id; | |
755 | ||
756 | memset(qc, 0, sizeof(*qc)); | |
757 | ||
758 | next = !!(id & V4L2_CTRL_FLAG_NEXT_CTRL); | |
759 | qc->id = id & ~V4L2_CTRL_FLAG_NEXT_CTRL; | |
760 | ||
761 | for (i = 0; i < ARRAY_SIZE(supported_v4l2_ctrls); i++) { | |
762 | if (next) { | |
763 | if (qc->id < supported_v4l2_ctrls[i]) | |
764 | qc->id = supported_v4l2_ctrls[i]; | |
765 | else | |
766 | continue; | |
767 | } | |
768 | ||
769 | if (qc->id == supported_v4l2_ctrls[i]) | |
770 | return fill_queryctrl(&dev->options, qc, | |
771 | dev->flags & HDPVR_FLAG_AC3_CAP); | |
772 | ||
773 | if (qc->id < supported_v4l2_ctrls[i]) | |
774 | break; | |
775 | } | |
776 | ||
777 | return -EINVAL; | |
778 | } | |
779 | ||
780 | static int vidioc_g_ctrl(struct file *file, void *private_data, | |
781 | struct v4l2_control *ctrl) | |
782 | { | |
783 | struct hdpvr_fh *fh = file->private_data; | |
784 | struct hdpvr_device *dev = fh->dev; | |
785 | ||
786 | switch (ctrl->id) { | |
787 | case V4L2_CID_BRIGHTNESS: | |
788 | ctrl->value = dev->options.brightness; | |
789 | break; | |
790 | case V4L2_CID_CONTRAST: | |
791 | ctrl->value = dev->options.contrast; | |
792 | break; | |
793 | case V4L2_CID_SATURATION: | |
794 | ctrl->value = dev->options.saturation; | |
795 | break; | |
796 | case V4L2_CID_HUE: | |
797 | ctrl->value = dev->options.hue; | |
798 | break; | |
799 | case V4L2_CID_SHARPNESS: | |
800 | ctrl->value = dev->options.sharpness; | |
801 | break; | |
802 | default: | |
803 | return -EINVAL; | |
804 | } | |
805 | return 0; | |
806 | } | |
807 | ||
808 | static int vidioc_s_ctrl(struct file *file, void *private_data, | |
809 | struct v4l2_control *ctrl) | |
810 | { | |
811 | struct hdpvr_fh *fh = file->private_data; | |
812 | struct hdpvr_device *dev = fh->dev; | |
813 | int retval; | |
814 | ||
815 | switch (ctrl->id) { | |
816 | case V4L2_CID_BRIGHTNESS: | |
817 | retval = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->value); | |
818 | if (!retval) | |
819 | dev->options.brightness = ctrl->value; | |
820 | break; | |
821 | case V4L2_CID_CONTRAST: | |
822 | retval = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->value); | |
823 | if (!retval) | |
824 | dev->options.contrast = ctrl->value; | |
825 | break; | |
826 | case V4L2_CID_SATURATION: | |
827 | retval = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->value); | |
828 | if (!retval) | |
829 | dev->options.saturation = ctrl->value; | |
830 | break; | |
831 | case V4L2_CID_HUE: | |
832 | retval = hdpvr_config_call(dev, CTRL_HUE, ctrl->value); | |
833 | if (!retval) | |
834 | dev->options.hue = ctrl->value; | |
835 | break; | |
836 | case V4L2_CID_SHARPNESS: | |
837 | retval = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->value); | |
838 | if (!retval) | |
839 | dev->options.sharpness = ctrl->value; | |
840 | break; | |
841 | default: | |
842 | return -EINVAL; | |
843 | } | |
844 | ||
845 | return retval; | |
846 | } | |
847 | ||
848 | ||
849 | static int hdpvr_get_ctrl(struct hdpvr_options *opt, | |
850 | struct v4l2_ext_control *ctrl) | |
851 | { | |
852 | switch (ctrl->id) { | |
853 | case V4L2_CID_MPEG_AUDIO_ENCODING: | |
854 | ctrl->value = opt->audio_codec; | |
855 | break; | |
856 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
857 | ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC; | |
858 | break; | |
859 | /* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ | |
860 | /* ctrl->value = (opt->gop_mode & 0x2) ? 0 : 128; */ | |
861 | /* break; */ | |
862 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: | |
863 | ctrl->value = opt->bitrate_mode == HDPVR_CONSTANT | |
864 | ? V4L2_MPEG_VIDEO_BITRATE_MODE_CBR | |
865 | : V4L2_MPEG_VIDEO_BITRATE_MODE_VBR; | |
866 | break; | |
867 | case V4L2_CID_MPEG_VIDEO_BITRATE: | |
868 | ctrl->value = opt->bitrate * 100000; | |
869 | break; | |
870 | case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: | |
871 | ctrl->value = opt->peak_bitrate * 100000; | |
872 | break; | |
873 | case V4L2_CID_MPEG_STREAM_TYPE: | |
874 | ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_TS; | |
875 | break; | |
876 | default: | |
877 | return -EINVAL; | |
878 | } | |
879 | return 0; | |
880 | } | |
881 | ||
882 | static int vidioc_g_ext_ctrls(struct file *file, void *priv, | |
883 | struct v4l2_ext_controls *ctrls) | |
884 | { | |
885 | struct hdpvr_fh *fh = file->private_data; | |
886 | struct hdpvr_device *dev = fh->dev; | |
887 | int i, err = 0; | |
888 | ||
889 | if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { | |
890 | for (i = 0; i < ctrls->count; i++) { | |
891 | struct v4l2_ext_control *ctrl = ctrls->controls + i; | |
892 | ||
893 | err = hdpvr_get_ctrl(&dev->options, ctrl); | |
894 | if (err) { | |
895 | ctrls->error_idx = i; | |
896 | break; | |
897 | } | |
898 | } | |
899 | return err; | |
900 | ||
901 | } | |
902 | ||
903 | return -EINVAL; | |
904 | } | |
905 | ||
906 | ||
907 | static int hdpvr_try_ctrl(struct v4l2_ext_control *ctrl, int ac3) | |
908 | { | |
909 | int ret = -EINVAL; | |
910 | ||
911 | switch (ctrl->id) { | |
912 | case V4L2_CID_MPEG_AUDIO_ENCODING: | |
913 | if (ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AAC || | |
914 | (ac3 && ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AC3)) | |
915 | ret = 0; | |
916 | break; | |
917 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
918 | if (ctrl->value == V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC) | |
919 | ret = 0; | |
920 | break; | |
921 | /* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ | |
922 | /* if (ctrl->value == 0 || ctrl->value == 128) */ | |
923 | /* ret = 0; */ | |
924 | /* break; */ | |
925 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: | |
926 | if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR || | |
927 | ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) | |
928 | ret = 0; | |
929 | break; | |
930 | case V4L2_CID_MPEG_VIDEO_BITRATE: | |
931 | { | |
932 | uint bitrate = ctrl->value / 100000; | |
933 | if (bitrate >= 10 && bitrate <= 135) | |
934 | ret = 0; | |
935 | break; | |
936 | } | |
937 | case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: | |
938 | { | |
939 | uint peak_bitrate = ctrl->value / 100000; | |
940 | if (peak_bitrate >= 10 && peak_bitrate <= 202) | |
941 | ret = 0; | |
942 | break; | |
943 | } | |
944 | case V4L2_CID_MPEG_STREAM_TYPE: | |
945 | if (ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_TS) | |
946 | ret = 0; | |
947 | break; | |
948 | default: | |
949 | return -EINVAL; | |
950 | } | |
951 | return 0; | |
952 | } | |
953 | ||
954 | static int vidioc_try_ext_ctrls(struct file *file, void *priv, | |
955 | struct v4l2_ext_controls *ctrls) | |
956 | { | |
957 | struct hdpvr_fh *fh = file->private_data; | |
958 | struct hdpvr_device *dev = fh->dev; | |
959 | int i, err = 0; | |
960 | ||
961 | if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { | |
962 | for (i = 0; i < ctrls->count; i++) { | |
963 | struct v4l2_ext_control *ctrl = ctrls->controls + i; | |
964 | ||
965 | err = hdpvr_try_ctrl(ctrl, | |
966 | dev->flags & HDPVR_FLAG_AC3_CAP); | |
967 | if (err) { | |
968 | ctrls->error_idx = i; | |
969 | break; | |
970 | } | |
971 | } | |
972 | return err; | |
973 | } | |
974 | ||
975 | return -EINVAL; | |
976 | } | |
977 | ||
978 | ||
979 | static int hdpvr_set_ctrl(struct hdpvr_device *dev, | |
980 | struct v4l2_ext_control *ctrl) | |
981 | { | |
982 | struct hdpvr_options *opt = &dev->options; | |
983 | int ret = 0; | |
984 | ||
985 | switch (ctrl->id) { | |
986 | case V4L2_CID_MPEG_AUDIO_ENCODING: | |
987 | if (dev->flags & HDPVR_FLAG_AC3_CAP) { | |
988 | opt->audio_codec = ctrl->value; | |
989 | ret = hdpvr_set_audio(dev, opt->audio_input, | |
990 | opt->audio_codec); | |
991 | } | |
992 | break; | |
993 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
994 | break; | |
995 | /* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ | |
996 | /* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */ | |
997 | /* opt->gop_mode |= 0x2; */ | |
998 | /* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ | |
999 | /* opt->gop_mode); */ | |
1000 | /* } */ | |
1001 | /* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */ | |
1002 | /* opt->gop_mode &= ~0x2; */ | |
1003 | /* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ | |
1004 | /* opt->gop_mode); */ | |
1005 | /* } */ | |
1006 | /* break; */ | |
1007 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: | |
1008 | if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR && | |
1009 | opt->bitrate_mode != HDPVR_CONSTANT) { | |
1010 | opt->bitrate_mode = HDPVR_CONSTANT; | |
1011 | hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, | |
1012 | opt->bitrate_mode); | |
1013 | } | |
1014 | if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && | |
1015 | opt->bitrate_mode == HDPVR_CONSTANT) { | |
1016 | opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE; | |
1017 | hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, | |
1018 | opt->bitrate_mode); | |
1019 | } | |
1020 | break; | |
1021 | case V4L2_CID_MPEG_VIDEO_BITRATE: { | |
1022 | uint bitrate = ctrl->value / 100000; | |
1023 | ||
1024 | opt->bitrate = bitrate; | |
1025 | if (bitrate >= opt->peak_bitrate) | |
1026 | opt->peak_bitrate = bitrate+1; | |
1027 | ||
1028 | hdpvr_set_bitrate(dev); | |
1029 | break; | |
1030 | } | |
1031 | case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: { | |
1032 | uint peak_bitrate = ctrl->value / 100000; | |
1033 | ||
1034 | if (opt->bitrate_mode == HDPVR_CONSTANT) | |
1035 | break; | |
1036 | ||
1037 | if (opt->bitrate < peak_bitrate) { | |
1038 | opt->peak_bitrate = peak_bitrate; | |
1039 | hdpvr_set_bitrate(dev); | |
1040 | } else | |
1041 | ret = -EINVAL; | |
1042 | break; | |
1043 | } | |
1044 | case V4L2_CID_MPEG_STREAM_TYPE: | |
1045 | break; | |
1046 | default: | |
1047 | return -EINVAL; | |
1048 | } | |
1049 | return ret; | |
1050 | } | |
1051 | ||
1052 | static int vidioc_s_ext_ctrls(struct file *file, void *priv, | |
1053 | struct v4l2_ext_controls *ctrls) | |
1054 | { | |
1055 | struct hdpvr_fh *fh = file->private_data; | |
1056 | struct hdpvr_device *dev = fh->dev; | |
1057 | int i, err = 0; | |
1058 | ||
1059 | if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { | |
1060 | for (i = 0; i < ctrls->count; i++) { | |
1061 | struct v4l2_ext_control *ctrl = ctrls->controls + i; | |
1062 | ||
1063 | err = hdpvr_try_ctrl(ctrl, | |
1064 | dev->flags & HDPVR_FLAG_AC3_CAP); | |
1065 | if (err) { | |
1066 | ctrls->error_idx = i; | |
1067 | break; | |
1068 | } | |
1069 | err = hdpvr_set_ctrl(dev, ctrl); | |
1070 | if (err) { | |
1071 | ctrls->error_idx = i; | |
1072 | break; | |
1073 | } | |
1074 | } | |
1075 | return err; | |
1076 | ||
1077 | } | |
1078 | ||
1079 | return -EINVAL; | |
1080 | } | |
1081 | ||
1082 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data, | |
1083 | struct v4l2_fmtdesc *f) | |
1084 | { | |
1085 | ||
1086 | if (f->index != 0 || f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1087 | return -EINVAL; | |
1088 | ||
1089 | f->flags = V4L2_FMT_FLAG_COMPRESSED; | |
1090 | strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32); | |
1091 | f->pixelformat = V4L2_PIX_FMT_MPEG; | |
1092 | ||
1093 | return 0; | |
1094 | } | |
1095 | ||
1096 | static int vidioc_g_fmt_vid_cap(struct file *file, void *private_data, | |
1097 | struct v4l2_format *f) | |
1098 | { | |
1099 | struct hdpvr_fh *fh = file->private_data; | |
1100 | struct hdpvr_device *dev = fh->dev; | |
1101 | struct hdpvr_video_info *vid_info; | |
1102 | ||
1103 | if (!dev) | |
1104 | return -ENODEV; | |
1105 | ||
1106 | vid_info = get_video_info(dev); | |
1107 | if (!vid_info) | |
1108 | return -EFAULT; | |
1109 | ||
1110 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1111 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; | |
1112 | f->fmt.pix.width = vid_info->width; | |
1113 | f->fmt.pix.height = vid_info->height; | |
1114 | f->fmt.pix.sizeimage = dev->bulk_in_size; | |
1115 | f->fmt.pix.colorspace = 0; | |
1116 | f->fmt.pix.bytesperline = 0; | |
1117 | f->fmt.pix.field = V4L2_FIELD_ANY; | |
1118 | ||
1119 | kfree(vid_info); | |
1120 | return 0; | |
1121 | } | |
1122 | ||
76717b88 JG |
1123 | static int vidioc_encoder_cmd(struct file *filp, void *priv, |
1124 | struct v4l2_encoder_cmd *a) | |
1125 | { | |
1126 | struct hdpvr_fh *fh = filp->private_data; | |
1127 | struct hdpvr_device *dev = fh->dev; | |
1128 | int res; | |
1129 | ||
1130 | mutex_lock(&dev->io_mutex); | |
1131 | ||
1132 | memset(&a->raw, 0, sizeof(a->raw)); | |
1133 | switch (a->cmd) { | |
1134 | case V4L2_ENC_CMD_START: | |
1135 | a->flags = 0; | |
1136 | res = hdpvr_start_streaming(dev); | |
1137 | break; | |
1138 | case V4L2_ENC_CMD_STOP: | |
1139 | res = hdpvr_stop_streaming(dev); | |
1140 | break; | |
1141 | default: | |
1142 | v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, | |
1143 | "Unsupported encoder cmd %d\n", a->cmd); | |
1144 | return -EINVAL; | |
1145 | } | |
1146 | mutex_unlock(&dev->io_mutex); | |
1147 | return res; | |
1148 | } | |
1149 | ||
1150 | static int vidioc_try_encoder_cmd(struct file *filp, void *priv, | |
1151 | struct v4l2_encoder_cmd *a) | |
1152 | { | |
1153 | switch (a->cmd) { | |
1154 | case V4L2_ENC_CMD_START: | |
1155 | case V4L2_ENC_CMD_STOP: | |
1156 | return 0; | |
1157 | default: | |
1158 | return -EINVAL; | |
1159 | } | |
1160 | } | |
9aba42ef JG |
1161 | |
1162 | static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = { | |
1163 | .vidioc_querycap = vidioc_querycap, | |
1164 | .vidioc_s_std = vidioc_s_std, | |
1165 | .vidioc_enum_input = vidioc_enum_input, | |
1166 | .vidioc_g_input = vidioc_g_input, | |
1167 | .vidioc_s_input = vidioc_s_input, | |
1168 | .vidioc_enumaudio = vidioc_enumaudio, | |
1169 | .vidioc_g_audio = vidioc_g_audio, | |
1170 | .vidioc_s_audio = vidioc_s_audio, | |
1171 | .vidioc_queryctrl = vidioc_queryctrl, | |
1172 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1173 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1174 | .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, | |
1175 | .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, | |
1176 | .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, | |
1177 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1178 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
76717b88 JG |
1179 | .vidioc_encoder_cmd = vidioc_encoder_cmd, |
1180 | .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd, | |
9aba42ef JG |
1181 | }; |
1182 | ||
1183 | static void hdpvr_device_release(struct video_device *vdev) | |
1184 | { | |
1185 | struct hdpvr_device *dev = video_get_drvdata(vdev); | |
1186 | ||
1187 | hdpvr_delete(dev); | |
1188 | } | |
1189 | ||
1190 | static const struct video_device hdpvr_video_template = { | |
1191 | /* .type = VFL_TYPE_GRABBER, */ | |
1192 | /* .type2 = VID_TYPE_CAPTURE | VID_TYPE_MPEG_ENCODER, */ | |
1193 | .fops = &hdpvr_fops, | |
1194 | .release = hdpvr_device_release, | |
1195 | .ioctl_ops = &hdpvr_ioctl_ops, | |
1196 | .tvnorms = | |
1197 | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_B | | |
1198 | V4L2_STD_PAL_G | V4L2_STD_PAL_H | V4L2_STD_PAL_I | | |
1199 | V4L2_STD_PAL_D | V4L2_STD_PAL_M | V4L2_STD_PAL_N | | |
1200 | V4L2_STD_PAL_60, | |
1201 | }; | |
1202 | ||
1203 | int hdpvr_register_videodev(struct hdpvr_device *dev, int devnum) | |
1204 | { | |
1205 | /* setup and register video device */ | |
1206 | dev->video_dev = video_device_alloc(); | |
1207 | if (!dev->video_dev) { | |
1208 | err("video_device_alloc() failed"); | |
1209 | goto error; | |
1210 | } | |
1211 | ||
1212 | *(dev->video_dev) = hdpvr_video_template; | |
1213 | strcpy(dev->video_dev->name, "Hauppauge HD PVR"); | |
1214 | dev->video_dev->parent = &dev->udev->dev; | |
1215 | video_set_drvdata(dev->video_dev, dev); | |
1216 | ||
1217 | if (video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum)) { | |
1218 | err("V4L2 device registration failed"); | |
1219 | goto error; | |
1220 | } | |
1221 | ||
1222 | return 0; | |
1223 | error: | |
1224 | return -ENOMEM; | |
1225 | } |