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Commit | Line | Data |
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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> | |
9aba42ef JG |
20 | #include <linux/workqueue.h> |
21 | ||
22 | #include <linux/videodev2.h> | |
3315c59a | 23 | #include <linux/v4l2-dv-timings.h> |
9aba42ef JG |
24 | #include <media/v4l2-dev.h> |
25 | #include <media/v4l2-common.h> | |
25764158 | 26 | #include <media/v4l2-dv-timings.h> |
9aba42ef | 27 | #include <media/v4l2-ioctl.h> |
65fe42d6 | 28 | #include <media/v4l2-event.h> |
9aba42ef JG |
29 | #include "hdpvr.h" |
30 | ||
39bcb3ae | 31 | #define BULK_URB_TIMEOUT 90 /* 0.09 seconds */ |
9aba42ef | 32 | |
9ef77adf JG |
33 | #define print_buffer_status() { \ |
34 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, \ | |
35 | "%s:%d buffer stat: %d free, %d proc\n", \ | |
36 | __func__, __LINE__, \ | |
37 | list_size(&dev->free_buff_list), \ | |
38 | list_size(&dev->rec_buff_list)); } | |
d211bfcb | 39 | |
3315c59a HV |
40 | static const struct v4l2_dv_timings hdpvr_dv_timings[] = { |
41 | V4L2_DV_BT_CEA_720X480I59_94, | |
42 | V4L2_DV_BT_CEA_720X576I50, | |
43 | V4L2_DV_BT_CEA_720X480P59_94, | |
44 | V4L2_DV_BT_CEA_720X576P50, | |
45 | V4L2_DV_BT_CEA_1280X720P50, | |
46 | V4L2_DV_BT_CEA_1280X720P60, | |
47 | V4L2_DV_BT_CEA_1920X1080I50, | |
48 | V4L2_DV_BT_CEA_1920X1080I60, | |
49 | }; | |
50 | ||
51 | /* Use 480i59 as the default timings */ | |
52 | #define HDPVR_DEF_DV_TIMINGS_IDX (0) | |
53 | ||
54 | struct hdpvr_fh { | |
55 | struct v4l2_fh fh; | |
56 | bool legacy_mode; | |
57 | }; | |
58 | ||
9aba42ef JG |
59 | static uint list_size(struct list_head *list) |
60 | { | |
61 | struct list_head *tmp; | |
62 | uint count = 0; | |
63 | ||
64 | list_for_each(tmp, list) { | |
65 | count++; | |
66 | } | |
67 | ||
68 | return count; | |
69 | } | |
70 | ||
71 | /*=========================================================================*/ | |
72 | /* urb callback */ | |
73 | static void hdpvr_read_bulk_callback(struct urb *urb) | |
74 | { | |
75 | struct hdpvr_buffer *buf = (struct hdpvr_buffer *)urb->context; | |
76 | struct hdpvr_device *dev = buf->dev; | |
77 | ||
78 | /* marking buffer as received and wake waiting */ | |
79 | buf->status = BUFSTAT_READY; | |
80 | wake_up_interruptible(&dev->wait_data); | |
81 | } | |
82 | ||
83 | /*=========================================================================*/ | |
3445857b | 84 | /* buffer bits */ |
9aba42ef JG |
85 | |
86 | /* function expects dev->io_mutex to be hold by caller */ | |
87 | int hdpvr_cancel_queue(struct hdpvr_device *dev) | |
88 | { | |
89 | struct hdpvr_buffer *buf; | |
90 | ||
91 | list_for_each_entry(buf, &dev->rec_buff_list, buff_list) { | |
92 | usb_kill_urb(buf->urb); | |
93 | buf->status = BUFSTAT_AVAILABLE; | |
94 | } | |
95 | ||
96 | list_splice_init(&dev->rec_buff_list, dev->free_buff_list.prev); | |
97 | ||
98 | return 0; | |
99 | } | |
100 | ||
101 | static int hdpvr_free_queue(struct list_head *q) | |
102 | { | |
103 | struct list_head *tmp; | |
104 | struct list_head *p; | |
105 | struct hdpvr_buffer *buf; | |
106 | struct urb *urb; | |
107 | ||
108 | for (p = q->next; p != q;) { | |
109 | buf = list_entry(p, struct hdpvr_buffer, buff_list); | |
110 | ||
111 | urb = buf->urb; | |
997ea58e DM |
112 | usb_free_coherent(urb->dev, urb->transfer_buffer_length, |
113 | urb->transfer_buffer, urb->transfer_dma); | |
9aba42ef JG |
114 | usb_free_urb(urb); |
115 | tmp = p->next; | |
116 | list_del(p); | |
117 | kfree(buf); | |
118 | p = tmp; | |
119 | } | |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
124 | /* function expects dev->io_mutex to be hold by caller */ | |
125 | int hdpvr_free_buffers(struct hdpvr_device *dev) | |
126 | { | |
127 | hdpvr_cancel_queue(dev); | |
128 | ||
129 | hdpvr_free_queue(&dev->free_buff_list); | |
130 | hdpvr_free_queue(&dev->rec_buff_list); | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
135 | /* function expects dev->io_mutex to be hold by caller */ | |
136 | int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count) | |
137 | { | |
138 | uint i; | |
139 | int retval = -ENOMEM; | |
140 | u8 *mem; | |
141 | struct hdpvr_buffer *buf; | |
142 | struct urb *urb; | |
143 | ||
9ef77adf | 144 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
9aba42ef JG |
145 | "allocating %u buffers\n", count); |
146 | ||
147 | for (i = 0; i < count; i++) { | |
148 | ||
149 | buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL); | |
150 | if (!buf) { | |
9ef77adf | 151 | v4l2_err(&dev->v4l2_dev, "cannot allocate buffer\n"); |
9aba42ef JG |
152 | goto exit; |
153 | } | |
154 | buf->dev = dev; | |
155 | ||
156 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
90831662 | 157 | if (!urb) |
cd0e280f | 158 | goto exit_urb; |
9aba42ef JG |
159 | buf->urb = urb; |
160 | ||
997ea58e DM |
161 | mem = usb_alloc_coherent(dev->udev, dev->bulk_in_size, GFP_KERNEL, |
162 | &urb->transfer_dma); | |
9aba42ef | 163 | if (!mem) { |
9ef77adf JG |
164 | v4l2_err(&dev->v4l2_dev, |
165 | "cannot allocate usb transfer buffer\n"); | |
cd0e280f | 166 | goto exit_urb_buffer; |
9aba42ef JG |
167 | } |
168 | ||
169 | usb_fill_bulk_urb(buf->urb, dev->udev, | |
170 | usb_rcvbulkpipe(dev->udev, | |
171 | dev->bulk_in_endpointAddr), | |
172 | mem, dev->bulk_in_size, | |
173 | hdpvr_read_bulk_callback, buf); | |
174 | ||
4f5c933a | 175 | buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; |
9aba42ef JG |
176 | buf->status = BUFSTAT_AVAILABLE; |
177 | list_add_tail(&buf->buff_list, &dev->free_buff_list); | |
178 | } | |
179 | return 0; | |
cd0e280f JL |
180 | exit_urb_buffer: |
181 | usb_free_urb(urb); | |
182 | exit_urb: | |
183 | kfree(buf); | |
9aba42ef JG |
184 | exit: |
185 | hdpvr_free_buffers(dev); | |
186 | return retval; | |
187 | } | |
188 | ||
189 | static int hdpvr_submit_buffers(struct hdpvr_device *dev) | |
190 | { | |
191 | struct hdpvr_buffer *buf; | |
192 | struct urb *urb; | |
193 | int ret = 0, err_count = 0; | |
194 | ||
195 | mutex_lock(&dev->io_mutex); | |
196 | ||
197 | while (dev->status == STATUS_STREAMING && | |
198 | !list_empty(&dev->free_buff_list)) { | |
199 | ||
200 | buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer, | |
201 | buff_list); | |
202 | if (buf->status != BUFSTAT_AVAILABLE) { | |
9ef77adf | 203 | v4l2_err(&dev->v4l2_dev, |
4b512d26 | 204 | "buffer not marked as available\n"); |
9aba42ef JG |
205 | ret = -EFAULT; |
206 | goto err; | |
207 | } | |
208 | ||
209 | urb = buf->urb; | |
210 | urb->status = 0; | |
211 | urb->actual_length = 0; | |
212 | ret = usb_submit_urb(urb, GFP_KERNEL); | |
213 | if (ret) { | |
9ef77adf JG |
214 | v4l2_err(&dev->v4l2_dev, |
215 | "usb_submit_urb in %s returned %d\n", | |
216 | __func__, ret); | |
9aba42ef JG |
217 | if (++err_count > 2) |
218 | break; | |
219 | continue; | |
220 | } | |
221 | buf->status = BUFSTAT_INPROGRESS; | |
222 | list_move_tail(&buf->buff_list, &dev->rec_buff_list); | |
223 | } | |
224 | err: | |
d211bfcb | 225 | print_buffer_status(); |
9aba42ef JG |
226 | mutex_unlock(&dev->io_mutex); |
227 | return ret; | |
228 | } | |
229 | ||
230 | static struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev) | |
231 | { | |
232 | struct hdpvr_buffer *buf; | |
233 | ||
234 | mutex_lock(&dev->io_mutex); | |
235 | ||
236 | if (list_empty(&dev->rec_buff_list)) { | |
237 | mutex_unlock(&dev->io_mutex); | |
238 | return NULL; | |
239 | } | |
240 | ||
241 | buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer, | |
242 | buff_list); | |
243 | mutex_unlock(&dev->io_mutex); | |
244 | ||
245 | return buf; | |
246 | } | |
247 | ||
248 | static void hdpvr_transmit_buffers(struct work_struct *work) | |
249 | { | |
250 | struct hdpvr_device *dev = container_of(work, struct hdpvr_device, | |
251 | worker); | |
252 | ||
253 | while (dev->status == STATUS_STREAMING) { | |
254 | ||
255 | if (hdpvr_submit_buffers(dev)) { | |
9ef77adf | 256 | v4l2_err(&dev->v4l2_dev, "couldn't submit buffers\n"); |
9aba42ef JG |
257 | goto error; |
258 | } | |
259 | if (wait_event_interruptible(dev->wait_buffer, | |
260 | !list_empty(&dev->free_buff_list) || | |
261 | dev->status != STATUS_STREAMING)) | |
262 | goto error; | |
263 | } | |
264 | ||
9ef77adf | 265 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
9aba42ef JG |
266 | "transmit worker exited\n"); |
267 | return; | |
268 | error: | |
9ef77adf | 269 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
9aba42ef JG |
270 | "transmit buffers errored\n"); |
271 | dev->status = STATUS_ERROR; | |
272 | } | |
273 | ||
274 | /* function expects dev->io_mutex to be hold by caller */ | |
275 | static int hdpvr_start_streaming(struct hdpvr_device *dev) | |
276 | { | |
277 | int ret; | |
4d601c4c | 278 | struct hdpvr_video_info vidinf; |
9aba42ef JG |
279 | |
280 | if (dev->status == STATUS_STREAMING) | |
281 | return 0; | |
79f10b62 | 282 | if (dev->status != STATUS_IDLE) |
9aba42ef JG |
283 | return -EAGAIN; |
284 | ||
4d601c4c | 285 | ret = get_video_info(dev, &vidinf); |
5f454d82 HV |
286 | if (ret < 0) |
287 | return ret; | |
288 | ||
289 | if (!vidinf.valid) { | |
79f10b62 HV |
290 | msleep(250); |
291 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, | |
292 | "no video signal at input %d\n", dev->options.video_input); | |
293 | return -EAGAIN; | |
294 | } | |
9aba42ef | 295 | |
79f10b62 HV |
296 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
297 | "video signal: %dx%d@%dhz\n", vidinf.width, | |
298 | vidinf.height, vidinf.fps); | |
9aba42ef | 299 | |
79f10b62 HV |
300 | /* start streaming 2 request */ |
301 | ret = usb_control_msg(dev->udev, | |
302 | usb_sndctrlpipe(dev->udev, 0), | |
303 | 0xb8, 0x38, 0x1, 0, NULL, 0, 8000); | |
304 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, | |
305 | "encoder start control request returned %d\n", ret); | |
306 | if (ret < 0) | |
307 | return ret; | |
9aba42ef | 308 | |
79f10b62 HV |
309 | ret = hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00); |
310 | if (ret) | |
311 | return ret; | |
9aba42ef | 312 | |
79f10b62 | 313 | dev->status = STATUS_STREAMING; |
afa15953 | 314 | |
79f10b62 | 315 | INIT_WORK(&dev->worker, hdpvr_transmit_buffers); |
5612e191 | 316 | schedule_work(&dev->worker); |
9aba42ef | 317 | |
79f10b62 HV |
318 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
319 | "streaming started\n"); | |
9aba42ef | 320 | |
79f10b62 | 321 | return 0; |
9aba42ef JG |
322 | } |
323 | ||
324 | ||
325 | /* function expects dev->io_mutex to be hold by caller */ | |
326 | static int hdpvr_stop_streaming(struct hdpvr_device *dev) | |
327 | { | |
85d682b9 MN |
328 | int actual_length; |
329 | uint c = 0; | |
7d771ff0 JG |
330 | u8 *buf; |
331 | ||
9aba42ef JG |
332 | if (dev->status == STATUS_IDLE) |
333 | return 0; | |
334 | else if (dev->status != STATUS_STREAMING) | |
335 | return -EAGAIN; | |
336 | ||
7d771ff0 JG |
337 | buf = kmalloc(dev->bulk_in_size, GFP_KERNEL); |
338 | if (!buf) | |
4d5ded75 | 339 | v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer for emptying the internal device buffer. Next capture start will be slow\n"); |
7d771ff0 | 340 | |
9aba42ef JG |
341 | dev->status = STATUS_SHUTTING_DOWN; |
342 | hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00); | |
48f98f75 | 343 | mutex_unlock(&dev->io_mutex); |
9aba42ef JG |
344 | |
345 | wake_up_interruptible(&dev->wait_buffer); | |
346 | msleep(50); | |
347 | ||
5612e191 | 348 | flush_work(&dev->worker); |
9aba42ef | 349 | |
48f98f75 | 350 | mutex_lock(&dev->io_mutex); |
9aba42ef JG |
351 | /* kill the still outstanding urbs */ |
352 | hdpvr_cancel_queue(dev); | |
353 | ||
7d771ff0 JG |
354 | /* emptying the device buffer beforeshutting it down */ |
355 | while (buf && ++c < 500 && | |
356 | !usb_bulk_msg(dev->udev, | |
357 | usb_rcvbulkpipe(dev->udev, | |
358 | dev->bulk_in_endpointAddr), | |
359 | buf, dev->bulk_in_size, &actual_length, | |
360 | BULK_URB_TIMEOUT)) { | |
7d771ff0 JG |
361 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
362 | "%2d: got %d bytes\n", c, actual_length); | |
363 | } | |
364 | kfree(buf); | |
365 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, | |
366 | "used %d urbs to empty device buffers\n", c-1); | |
367 | msleep(10); | |
368 | ||
9aba42ef JG |
369 | dev->status = STATUS_IDLE; |
370 | ||
371 | return 0; | |
372 | } | |
373 | ||
374 | ||
375 | /*=======================================================================*/ | |
376 | /* | |
377 | * video 4 linux 2 file operations | |
378 | */ | |
379 | ||
3315c59a HV |
380 | static int hdpvr_open(struct file *file) |
381 | { | |
382 | struct hdpvr_fh *fh = kzalloc(sizeof(*fh), GFP_KERNEL); | |
383 | ||
384 | if (fh == NULL) | |
385 | return -ENOMEM; | |
386 | fh->legacy_mode = true; | |
387 | v4l2_fh_init(&fh->fh, video_devdata(file)); | |
388 | v4l2_fh_add(&fh->fh); | |
389 | file->private_data = fh; | |
390 | return 0; | |
391 | } | |
392 | ||
9aba42ef JG |
393 | static int hdpvr_release(struct file *file) |
394 | { | |
ede197aa | 395 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef | 396 | |
9aba42ef | 397 | mutex_lock(&dev->io_mutex); |
ede197aa | 398 | if (file->private_data == dev->owner) { |
9aba42ef | 399 | hdpvr_stop_streaming(dev); |
ede197aa HV |
400 | dev->owner = NULL; |
401 | } | |
9aba42ef JG |
402 | mutex_unlock(&dev->io_mutex); |
403 | ||
ede197aa | 404 | return v4l2_fh_release(file); |
9aba42ef JG |
405 | } |
406 | ||
407 | /* | |
408 | * hdpvr_v4l2_read() | |
409 | * will allocate buffers when called for the first time | |
410 | */ | |
411 | static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, | |
412 | loff_t *pos) | |
413 | { | |
ede197aa | 414 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
415 | struct hdpvr_buffer *buf = NULL; |
416 | struct urb *urb; | |
417 | unsigned int ret = 0; | |
418 | int rem, cnt; | |
419 | ||
420 | if (*pos) | |
421 | return -ESPIPE; | |
422 | ||
9aba42ef JG |
423 | mutex_lock(&dev->io_mutex); |
424 | if (dev->status == STATUS_IDLE) { | |
425 | if (hdpvr_start_streaming(dev)) { | |
9ef77adf JG |
426 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
427 | "start_streaming failed\n"); | |
9aba42ef JG |
428 | ret = -EIO; |
429 | msleep(200); | |
430 | dev->status = STATUS_IDLE; | |
431 | mutex_unlock(&dev->io_mutex); | |
432 | goto err; | |
433 | } | |
ede197aa | 434 | dev->owner = file->private_data; |
d211bfcb | 435 | print_buffer_status(); |
9aba42ef JG |
436 | } |
437 | mutex_unlock(&dev->io_mutex); | |
438 | ||
439 | /* wait for the first buffer */ | |
440 | if (!(file->f_flags & O_NONBLOCK)) { | |
441 | if (wait_event_interruptible(dev->wait_data, | |
442 | hdpvr_get_next_buffer(dev))) | |
443 | return -ERESTARTSYS; | |
444 | } | |
445 | ||
446 | buf = hdpvr_get_next_buffer(dev); | |
447 | ||
448 | while (count > 0 && buf) { | |
449 | ||
450 | if (buf->status != BUFSTAT_READY && | |
451 | dev->status != STATUS_DISCONNECTED) { | |
a503ff81 | 452 | int err; |
9aba42ef JG |
453 | /* return nonblocking */ |
454 | if (file->f_flags & O_NONBLOCK) { | |
455 | if (!ret) | |
456 | ret = -EAGAIN; | |
457 | goto err; | |
458 | } | |
459 | ||
a503ff81 JS |
460 | err = wait_event_interruptible_timeout(dev->wait_data, |
461 | buf->status == BUFSTAT_READY, | |
462 | msecs_to_jiffies(1000)); | |
463 | if (err < 0) { | |
464 | ret = err; | |
465 | goto err; | |
466 | } | |
467 | if (!err) { | |
468 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, | |
469 | "timeout: restart streaming\n"); | |
470 | hdpvr_stop_streaming(dev); | |
471 | msecs_to_jiffies(4000); | |
472 | err = hdpvr_start_streaming(dev); | |
473 | if (err) { | |
474 | ret = err; | |
475 | goto err; | |
476 | } | |
477 | } | |
9aba42ef JG |
478 | } |
479 | ||
480 | if (buf->status != BUFSTAT_READY) | |
481 | break; | |
482 | ||
483 | /* set remaining bytes to copy */ | |
484 | urb = buf->urb; | |
485 | rem = urb->actual_length - buf->pos; | |
486 | cnt = rem > count ? count : rem; | |
487 | ||
488 | if (copy_to_user(buffer, urb->transfer_buffer + buf->pos, | |
489 | cnt)) { | |
9ef77adf | 490 | v4l2_err(&dev->v4l2_dev, "read: copy_to_user failed\n"); |
9aba42ef JG |
491 | if (!ret) |
492 | ret = -EFAULT; | |
493 | goto err; | |
494 | } | |
495 | ||
496 | buf->pos += cnt; | |
497 | count -= cnt; | |
498 | buffer += cnt; | |
499 | ret += cnt; | |
500 | ||
501 | /* finished, take next buffer */ | |
502 | if (buf->pos == urb->actual_length) { | |
503 | mutex_lock(&dev->io_mutex); | |
504 | buf->pos = 0; | |
505 | buf->status = BUFSTAT_AVAILABLE; | |
506 | ||
507 | list_move_tail(&buf->buff_list, &dev->free_buff_list); | |
508 | ||
d211bfcb | 509 | print_buffer_status(); |
9aba42ef JG |
510 | |
511 | mutex_unlock(&dev->io_mutex); | |
512 | ||
513 | wake_up_interruptible(&dev->wait_buffer); | |
514 | ||
515 | buf = hdpvr_get_next_buffer(dev); | |
516 | } | |
517 | } | |
518 | err: | |
519 | if (!ret && !buf) | |
520 | ret = -EAGAIN; | |
521 | return ret; | |
522 | } | |
523 | ||
c23e0cb8 | 524 | static __poll_t hdpvr_poll(struct file *filp, poll_table *wait) |
9aba42ef | 525 | { |
01699437 | 526 | __poll_t req_events = poll_requested_events(wait); |
d2ff3ec8 | 527 | struct hdpvr_buffer *buf = NULL; |
ede197aa | 528 | struct hdpvr_device *dev = video_drvdata(filp); |
c23e0cb8 | 529 | __poll_t mask = v4l2_ctrl_poll(filp, wait); |
9aba42ef | 530 | |
65fe42d6 HV |
531 | if (!(req_events & (POLLIN | POLLRDNORM))) |
532 | return mask; | |
9aba42ef | 533 | |
65fe42d6 | 534 | mutex_lock(&dev->io_mutex); |
9aba42ef JG |
535 | |
536 | if (dev->status == STATUS_IDLE) { | |
537 | if (hdpvr_start_streaming(dev)) { | |
9ef77adf JG |
538 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
539 | "start_streaming failed\n"); | |
9aba42ef | 540 | dev->status = STATUS_IDLE; |
ede197aa HV |
541 | } else { |
542 | dev->owner = filp->private_data; | |
9aba42ef JG |
543 | } |
544 | ||
d211bfcb | 545 | print_buffer_status(); |
9aba42ef JG |
546 | } |
547 | mutex_unlock(&dev->io_mutex); | |
548 | ||
d2ff3ec8 JG |
549 | buf = hdpvr_get_next_buffer(dev); |
550 | /* only wait if no data is available */ | |
551 | if (!buf || buf->status != BUFSTAT_READY) { | |
552 | poll_wait(filp, &dev->wait_data, wait); | |
553 | buf = hdpvr_get_next_buffer(dev); | |
9aba42ef | 554 | } |
d2ff3ec8 JG |
555 | if (buf && buf->status == BUFSTAT_READY) |
556 | mask |= POLLIN | POLLRDNORM; | |
9aba42ef JG |
557 | |
558 | return mask; | |
559 | } | |
560 | ||
561 | ||
9aba42ef JG |
562 | static const struct v4l2_file_operations hdpvr_fops = { |
563 | .owner = THIS_MODULE, | |
3315c59a | 564 | .open = hdpvr_open, |
9aba42ef JG |
565 | .release = hdpvr_release, |
566 | .read = hdpvr_read, | |
567 | .poll = hdpvr_poll, | |
76717b88 | 568 | .unlocked_ioctl = video_ioctl2, |
9aba42ef JG |
569 | }; |
570 | ||
571 | /*=======================================================================*/ | |
572 | /* | |
573 | * V4L2 ioctl handling | |
574 | */ | |
575 | ||
576 | static int vidioc_querycap(struct file *file, void *priv, | |
577 | struct v4l2_capability *cap) | |
578 | { | |
579 | struct hdpvr_device *dev = video_drvdata(file); | |
580 | ||
581 | strcpy(cap->driver, "hdpvr"); | |
fdd70c33 | 582 | strcpy(cap->card, "Hauppauge HD PVR"); |
9aba42ef | 583 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
41022fcb HV |
584 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO | |
585 | V4L2_CAP_READWRITE; | |
586 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
9aba42ef JG |
587 | return 0; |
588 | } | |
589 | ||
5854bf88 | 590 | static int vidioc_s_std(struct file *file, void *_fh, |
314527ac | 591 | v4l2_std_id std) |
9aba42ef | 592 | { |
ede197aa | 593 | struct hdpvr_device *dev = video_drvdata(file); |
5854bf88 | 594 | struct hdpvr_fh *fh = _fh; |
9aba42ef JG |
595 | u8 std_type = 1; |
596 | ||
5854bf88 | 597 | if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) |
8f69da95 HV |
598 | return -ENODATA; |
599 | if (dev->status != STATUS_IDLE) | |
600 | return -EBUSY; | |
601 | if (std & V4L2_STD_525_60) | |
9aba42ef | 602 | std_type = 0; |
8f69da95 HV |
603 | dev->cur_std = std; |
604 | dev->width = 720; | |
605 | dev->height = std_type ? 576 : 480; | |
9aba42ef JG |
606 | |
607 | return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type); | |
608 | } | |
609 | ||
5854bf88 | 610 | static int vidioc_g_std(struct file *file, void *_fh, |
8f69da95 HV |
611 | v4l2_std_id *std) |
612 | { | |
613 | struct hdpvr_device *dev = video_drvdata(file); | |
5854bf88 | 614 | struct hdpvr_fh *fh = _fh; |
8f69da95 | 615 | |
5854bf88 | 616 | if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) |
8f69da95 HV |
617 | return -ENODATA; |
618 | *std = dev->cur_std; | |
619 | return 0; | |
620 | } | |
621 | ||
5854bf88 | 622 | static int vidioc_querystd(struct file *file, void *_fh, v4l2_std_id *a) |
8f69da95 HV |
623 | { |
624 | struct hdpvr_device *dev = video_drvdata(file); | |
4d601c4c | 625 | struct hdpvr_video_info vid_info; |
5854bf88 | 626 | struct hdpvr_fh *fh = _fh; |
4d601c4c | 627 | int ret; |
8f69da95 | 628 | |
ab6e134a | 629 | *a = V4L2_STD_UNKNOWN; |
5854bf88 HV |
630 | if (dev->options.video_input == HDPVR_COMPONENT) |
631 | return fh->legacy_mode ? 0 : -ENODATA; | |
4d601c4c | 632 | ret = get_video_info(dev, &vid_info); |
5f454d82 | 633 | if (vid_info.valid && vid_info.width == 720 && |
4d601c4c LK |
634 | (vid_info.height == 480 || vid_info.height == 576)) { |
635 | *a = (vid_info.height == 480) ? | |
8f69da95 HV |
636 | V4L2_STD_525_60 : V4L2_STD_625_50; |
637 | } | |
5f454d82 | 638 | return ret; |
8f69da95 HV |
639 | } |
640 | ||
3315c59a HV |
641 | static int vidioc_s_dv_timings(struct file *file, void *_fh, |
642 | struct v4l2_dv_timings *timings) | |
643 | { | |
644 | struct hdpvr_device *dev = video_drvdata(file); | |
645 | struct hdpvr_fh *fh = _fh; | |
646 | int i; | |
647 | ||
648 | fh->legacy_mode = false; | |
649 | if (dev->options.video_input) | |
650 | return -ENODATA; | |
651 | if (dev->status != STATUS_IDLE) | |
652 | return -EBUSY; | |
653 | for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) | |
85f9e06c | 654 | if (v4l2_match_dv_timings(timings, hdpvr_dv_timings + i, 0, false)) |
3315c59a HV |
655 | break; |
656 | if (i == ARRAY_SIZE(hdpvr_dv_timings)) | |
657 | return -EINVAL; | |
658 | dev->cur_dv_timings = hdpvr_dv_timings[i]; | |
659 | dev->width = hdpvr_dv_timings[i].bt.width; | |
660 | dev->height = hdpvr_dv_timings[i].bt.height; | |
661 | return 0; | |
662 | } | |
663 | ||
664 | static int vidioc_g_dv_timings(struct file *file, void *_fh, | |
665 | struct v4l2_dv_timings *timings) | |
666 | { | |
667 | struct hdpvr_device *dev = video_drvdata(file); | |
668 | struct hdpvr_fh *fh = _fh; | |
669 | ||
670 | fh->legacy_mode = false; | |
671 | if (dev->options.video_input) | |
672 | return -ENODATA; | |
673 | *timings = dev->cur_dv_timings; | |
674 | return 0; | |
675 | } | |
676 | ||
677 | static int vidioc_query_dv_timings(struct file *file, void *_fh, | |
678 | struct v4l2_dv_timings *timings) | |
679 | { | |
680 | struct hdpvr_device *dev = video_drvdata(file); | |
681 | struct hdpvr_fh *fh = _fh; | |
4d601c4c | 682 | struct hdpvr_video_info vid_info; |
3315c59a HV |
683 | bool interlaced; |
684 | int ret = 0; | |
685 | int i; | |
686 | ||
687 | fh->legacy_mode = false; | |
688 | if (dev->options.video_input) | |
689 | return -ENODATA; | |
4d601c4c LK |
690 | ret = get_video_info(dev, &vid_info); |
691 | if (ret) | |
5f454d82 HV |
692 | return ret; |
693 | if (!vid_info.valid) | |
3315c59a | 694 | return -ENOLCK; |
4d601c4c | 695 | interlaced = vid_info.fps <= 30; |
3315c59a HV |
696 | for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) { |
697 | const struct v4l2_bt_timings *bt = &hdpvr_dv_timings[i].bt; | |
698 | unsigned hsize; | |
699 | unsigned vsize; | |
700 | unsigned fps; | |
701 | ||
eacf8f9a HV |
702 | hsize = V4L2_DV_BT_FRAME_WIDTH(bt); |
703 | vsize = V4L2_DV_BT_FRAME_HEIGHT(bt); | |
3315c59a | 704 | fps = (unsigned)bt->pixelclock / (hsize * vsize); |
4d601c4c LK |
705 | if (bt->width != vid_info.width || |
706 | bt->height != vid_info.height || | |
3315c59a | 707 | bt->interlaced != interlaced || |
4d601c4c | 708 | (fps != vid_info.fps && fps + 1 != vid_info.fps)) |
3315c59a HV |
709 | continue; |
710 | *timings = hdpvr_dv_timings[i]; | |
711 | break; | |
712 | } | |
713 | if (i == ARRAY_SIZE(hdpvr_dv_timings)) | |
714 | ret = -ERANGE; | |
4d601c4c | 715 | |
3315c59a HV |
716 | return ret; |
717 | } | |
718 | ||
719 | static int vidioc_enum_dv_timings(struct file *file, void *_fh, | |
720 | struct v4l2_enum_dv_timings *timings) | |
721 | { | |
722 | struct hdpvr_device *dev = video_drvdata(file); | |
723 | struct hdpvr_fh *fh = _fh; | |
724 | ||
725 | fh->legacy_mode = false; | |
726 | memset(timings->reserved, 0, sizeof(timings->reserved)); | |
727 | if (dev->options.video_input) | |
728 | return -ENODATA; | |
729 | if (timings->index >= ARRAY_SIZE(hdpvr_dv_timings)) | |
730 | return -EINVAL; | |
731 | timings->timings = hdpvr_dv_timings[timings->index]; | |
732 | return 0; | |
733 | } | |
734 | ||
735 | static int vidioc_dv_timings_cap(struct file *file, void *_fh, | |
736 | struct v4l2_dv_timings_cap *cap) | |
737 | { | |
738 | struct hdpvr_device *dev = video_drvdata(file); | |
739 | struct hdpvr_fh *fh = _fh; | |
740 | ||
741 | fh->legacy_mode = false; | |
742 | if (dev->options.video_input) | |
743 | return -ENODATA; | |
744 | cap->type = V4L2_DV_BT_656_1120; | |
745 | cap->bt.min_width = 720; | |
746 | cap->bt.max_width = 1920; | |
747 | cap->bt.min_height = 480; | |
748 | cap->bt.max_height = 1080; | |
749 | cap->bt.min_pixelclock = 27000000; | |
750 | cap->bt.max_pixelclock = 74250000; | |
751 | cap->bt.standards = V4L2_DV_BT_STD_CEA861; | |
752 | cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED | V4L2_DV_BT_CAP_PROGRESSIVE; | |
753 | return 0; | |
754 | } | |
755 | ||
9aba42ef JG |
756 | static const char *iname[] = { |
757 | [HDPVR_COMPONENT] = "Component", | |
758 | [HDPVR_SVIDEO] = "S-Video", | |
759 | [HDPVR_COMPOSITE] = "Composite", | |
760 | }; | |
761 | ||
5854bf88 | 762 | static int vidioc_enum_input(struct file *file, void *_fh, struct v4l2_input *i) |
9aba42ef | 763 | { |
9aba42ef JG |
764 | unsigned int n; |
765 | ||
766 | n = i->index; | |
767 | if (n >= HDPVR_VIDEO_INPUTS) | |
768 | return -EINVAL; | |
769 | ||
770 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
771 | ||
772 | strncpy(i->name, iname[n], sizeof(i->name) - 1); | |
773 | i->name[sizeof(i->name) - 1] = '\0'; | |
774 | ||
775 | i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF; | |
776 | ||
8f69da95 HV |
777 | i->capabilities = n ? V4L2_IN_CAP_STD : V4L2_IN_CAP_DV_TIMINGS; |
778 | i->std = n ? V4L2_STD_ALL : 0; | |
9aba42ef JG |
779 | |
780 | return 0; | |
781 | } | |
782 | ||
5854bf88 | 783 | static int vidioc_s_input(struct file *file, void *_fh, |
9aba42ef JG |
784 | unsigned int index) |
785 | { | |
ede197aa | 786 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
787 | int retval; |
788 | ||
789 | if (index >= HDPVR_VIDEO_INPUTS) | |
790 | return -EINVAL; | |
791 | ||
792 | if (dev->status != STATUS_IDLE) | |
97caa318 | 793 | return -EBUSY; |
9aba42ef JG |
794 | |
795 | retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1); | |
8f69da95 | 796 | if (!retval) { |
9aba42ef | 797 | dev->options.video_input = index; |
5854bf88 HV |
798 | /* |
799 | * Unfortunately gstreamer calls ENUMSTD and bails out if it | |
800 | * won't find any formats, even though component input is | |
801 | * selected. This means that we have to leave tvnorms at | |
802 | * V4L2_STD_ALL. We cannot use the 'legacy' trick since | |
803 | * tvnorms is set at the device node level and not at the | |
804 | * filehandle level. | |
805 | * | |
806 | * Comment this out for now, but if the legacy mode can be | |
807 | * removed in the future, then this code should be enabled | |
808 | * again. | |
4b30409b | 809 | dev->video_dev.tvnorms = |
5854bf88 HV |
810 | (index != HDPVR_COMPONENT) ? V4L2_STD_ALL : 0; |
811 | */ | |
8f69da95 | 812 | } |
9aba42ef JG |
813 | |
814 | return retval; | |
815 | } | |
816 | ||
817 | static int vidioc_g_input(struct file *file, void *private_data, | |
818 | unsigned int *index) | |
819 | { | |
ede197aa | 820 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
821 | |
822 | *index = dev->options.video_input; | |
823 | return 0; | |
824 | } | |
825 | ||
826 | ||
827 | static const char *audio_iname[] = { | |
828 | [HDPVR_RCA_FRONT] = "RCA front", | |
829 | [HDPVR_RCA_BACK] = "RCA back", | |
830 | [HDPVR_SPDIF] = "SPDIF", | |
831 | }; | |
832 | ||
833 | static int vidioc_enumaudio(struct file *file, void *priv, | |
834 | struct v4l2_audio *audio) | |
835 | { | |
836 | unsigned int n; | |
837 | ||
838 | n = audio->index; | |
839 | if (n >= HDPVR_AUDIO_INPUTS) | |
840 | return -EINVAL; | |
841 | ||
842 | audio->capability = V4L2_AUDCAP_STEREO; | |
843 | ||
844 | strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1); | |
845 | audio->name[sizeof(audio->name) - 1] = '\0'; | |
846 | ||
847 | return 0; | |
848 | } | |
849 | ||
850 | static int vidioc_s_audio(struct file *file, void *private_data, | |
0e8025b9 | 851 | const struct v4l2_audio *audio) |
9aba42ef | 852 | { |
ede197aa | 853 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
854 | int retval; |
855 | ||
856 | if (audio->index >= HDPVR_AUDIO_INPUTS) | |
857 | return -EINVAL; | |
858 | ||
859 | if (dev->status != STATUS_IDLE) | |
97caa318 | 860 | return -EBUSY; |
9aba42ef JG |
861 | |
862 | retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec); | |
863 | if (!retval) | |
864 | dev->options.audio_input = audio->index; | |
865 | ||
866 | return retval; | |
867 | } | |
868 | ||
869 | static int vidioc_g_audio(struct file *file, void *private_data, | |
870 | struct v4l2_audio *audio) | |
871 | { | |
ede197aa | 872 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
873 | |
874 | audio->index = dev->options.audio_input; | |
875 | audio->capability = V4L2_AUDCAP_STEREO; | |
876 | strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name)); | |
877 | audio->name[sizeof(audio->name) - 1] = '\0'; | |
878 | return 0; | |
879 | } | |
880 | ||
99c77aa4 | 881 | static int hdpvr_try_ctrl(struct v4l2_ctrl *ctrl) |
9aba42ef | 882 | { |
99c77aa4 HV |
883 | struct hdpvr_device *dev = |
884 | container_of(ctrl->handler, struct hdpvr_device, hdl); | |
9aba42ef JG |
885 | |
886 | switch (ctrl->id) { | |
99c77aa4 HV |
887 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: |
888 | if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && | |
889 | dev->video_bitrate->val >= dev->video_bitrate_peak->val) | |
890 | dev->video_bitrate_peak->val = | |
891 | dev->video_bitrate->val + 100000; | |
9aba42ef | 892 | break; |
9aba42ef JG |
893 | } |
894 | return 0; | |
895 | } | |
896 | ||
99c77aa4 | 897 | static int hdpvr_s_ctrl(struct v4l2_ctrl *ctrl) |
9aba42ef | 898 | { |
99c77aa4 HV |
899 | struct hdpvr_device *dev = |
900 | container_of(ctrl->handler, struct hdpvr_device, hdl); | |
901 | struct hdpvr_options *opt = &dev->options; | |
902 | int ret = -EINVAL; | |
9aba42ef JG |
903 | |
904 | switch (ctrl->id) { | |
905 | case V4L2_CID_BRIGHTNESS: | |
99c77aa4 HV |
906 | ret = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->val); |
907 | if (ret) | |
908 | break; | |
909 | dev->options.brightness = ctrl->val; | |
910 | return 0; | |
9aba42ef | 911 | case V4L2_CID_CONTRAST: |
99c77aa4 HV |
912 | ret = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->val); |
913 | if (ret) | |
914 | break; | |
915 | dev->options.contrast = ctrl->val; | |
916 | return 0; | |
9aba42ef | 917 | case V4L2_CID_SATURATION: |
99c77aa4 HV |
918 | ret = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->val); |
919 | if (ret) | |
920 | break; | |
921 | dev->options.saturation = ctrl->val; | |
922 | return 0; | |
9aba42ef | 923 | case V4L2_CID_HUE: |
99c77aa4 HV |
924 | ret = hdpvr_config_call(dev, CTRL_HUE, ctrl->val); |
925 | if (ret) | |
926 | break; | |
927 | dev->options.hue = ctrl->val; | |
928 | return 0; | |
9aba42ef | 929 | case V4L2_CID_SHARPNESS: |
99c77aa4 HV |
930 | ret = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->val); |
931 | if (ret) | |
932 | break; | |
933 | dev->options.sharpness = ctrl->val; | |
934 | return 0; | |
9aba42ef JG |
935 | case V4L2_CID_MPEG_AUDIO_ENCODING: |
936 | if (dev->flags & HDPVR_FLAG_AC3_CAP) { | |
99c77aa4 | 937 | opt->audio_codec = ctrl->val; |
3445857b | 938 | return hdpvr_set_audio(dev, opt->audio_input + 1, |
9aba42ef JG |
939 | opt->audio_codec); |
940 | } | |
99c77aa4 | 941 | return 0; |
9aba42ef | 942 | case V4L2_CID_MPEG_VIDEO_ENCODING: |
99c77aa4 | 943 | return 0; |
9aba42ef JG |
944 | /* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ |
945 | /* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */ | |
946 | /* opt->gop_mode |= 0x2; */ | |
947 | /* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ | |
948 | /* opt->gop_mode); */ | |
949 | /* } */ | |
950 | /* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */ | |
951 | /* opt->gop_mode &= ~0x2; */ | |
952 | /* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ | |
953 | /* opt->gop_mode); */ | |
954 | /* } */ | |
955 | /* break; */ | |
99c77aa4 HV |
956 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: { |
957 | uint peak_bitrate = dev->video_bitrate_peak->val / 100000; | |
958 | uint bitrate = dev->video_bitrate->val / 100000; | |
959 | ||
960 | if (ctrl->is_new) { | |
961 | if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) | |
962 | opt->bitrate_mode = HDPVR_CONSTANT; | |
963 | else | |
964 | opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE; | |
9aba42ef JG |
965 | hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, |
966 | opt->bitrate_mode); | |
99c77aa4 HV |
967 | v4l2_ctrl_activate(dev->video_bitrate_peak, |
968 | ctrl->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); | |
9aba42ef | 969 | } |
9aba42ef | 970 | |
99c77aa4 HV |
971 | if (dev->video_bitrate_peak->is_new || |
972 | dev->video_bitrate->is_new) { | |
973 | opt->bitrate = bitrate; | |
9aba42ef JG |
974 | opt->peak_bitrate = peak_bitrate; |
975 | hdpvr_set_bitrate(dev); | |
99c77aa4 HV |
976 | } |
977 | return 0; | |
9aba42ef JG |
978 | } |
979 | case V4L2_CID_MPEG_STREAM_TYPE: | |
99c77aa4 | 980 | return 0; |
9aba42ef | 981 | default: |
99c77aa4 | 982 | break; |
9aba42ef JG |
983 | } |
984 | return ret; | |
985 | } | |
986 | ||
9aba42ef JG |
987 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data, |
988 | struct v4l2_fmtdesc *f) | |
989 | { | |
97caa318 | 990 | if (f->index != 0) |
9aba42ef JG |
991 | return -EINVAL; |
992 | ||
993 | f->flags = V4L2_FMT_FLAG_COMPRESSED; | |
994 | strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32); | |
995 | f->pixelformat = V4L2_PIX_FMT_MPEG; | |
996 | ||
997 | return 0; | |
998 | } | |
999 | ||
3315c59a | 1000 | static int vidioc_g_fmt_vid_cap(struct file *file, void *_fh, |
9aba42ef JG |
1001 | struct v4l2_format *f) |
1002 | { | |
ede197aa | 1003 | struct hdpvr_device *dev = video_drvdata(file); |
3315c59a | 1004 | struct hdpvr_fh *fh = _fh; |
4d601c4c | 1005 | int ret; |
3315c59a HV |
1006 | |
1007 | /* | |
1008 | * The original driver would always returns the current detected | |
1009 | * resolution as the format (and EFAULT if it couldn't be detected). | |
1010 | * With the introduction of VIDIOC_QUERY_DV_TIMINGS there is now a | |
1011 | * better way of doing this, but to stay compatible with existing | |
1012 | * applications we assume legacy mode every time an application opens | |
1013 | * the device. Only if one of the new DV_TIMINGS ioctls is called | |
1014 | * will the filehandle go into 'normal' mode where g_fmt returns the | |
1015 | * last set format. | |
1016 | */ | |
1017 | if (fh->legacy_mode) { | |
4d601c4c | 1018 | struct hdpvr_video_info vid_info; |
3315c59a | 1019 | |
4d601c4c | 1020 | ret = get_video_info(dev, &vid_info); |
5f454d82 HV |
1021 | if (ret < 0) |
1022 | return ret; | |
1023 | if (!vid_info.valid) | |
3315c59a | 1024 | return -EFAULT; |
4d601c4c LK |
1025 | f->fmt.pix.width = vid_info.width; |
1026 | f->fmt.pix.height = vid_info.height; | |
3315c59a HV |
1027 | } else { |
1028 | f->fmt.pix.width = dev->width; | |
1029 | f->fmt.pix.height = dev->height; | |
1030 | } | |
9aba42ef | 1031 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
9aba42ef | 1032 | f->fmt.pix.sizeimage = dev->bulk_in_size; |
9aba42ef | 1033 | f->fmt.pix.bytesperline = 0; |
3315c59a HV |
1034 | if (f->fmt.pix.width == 720) { |
1035 | /* SDTV formats */ | |
1036 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1037 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1038 | } else { | |
1039 | /* HDTV formats */ | |
93e6a855 | 1040 | f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709; |
3315c59a HV |
1041 | f->fmt.pix.field = V4L2_FIELD_NONE; |
1042 | } | |
9aba42ef JG |
1043 | return 0; |
1044 | } | |
1045 | ||
76717b88 JG |
1046 | static int vidioc_encoder_cmd(struct file *filp, void *priv, |
1047 | struct v4l2_encoder_cmd *a) | |
1048 | { | |
ede197aa HV |
1049 | struct hdpvr_device *dev = video_drvdata(filp); |
1050 | int res = 0; | |
76717b88 JG |
1051 | |
1052 | mutex_lock(&dev->io_mutex); | |
ede197aa | 1053 | a->flags = 0; |
76717b88 | 1054 | |
76717b88 JG |
1055 | switch (a->cmd) { |
1056 | case V4L2_ENC_CMD_START: | |
ede197aa HV |
1057 | if (dev->owner && filp->private_data != dev->owner) { |
1058 | res = -EBUSY; | |
1059 | break; | |
1060 | } | |
1061 | if (dev->status == STATUS_STREAMING) | |
1062 | break; | |
76717b88 | 1063 | res = hdpvr_start_streaming(dev); |
ede197aa HV |
1064 | if (!res) |
1065 | dev->owner = filp->private_data; | |
1066 | else | |
1067 | dev->status = STATUS_IDLE; | |
76717b88 JG |
1068 | break; |
1069 | case V4L2_ENC_CMD_STOP: | |
ede197aa HV |
1070 | if (dev->owner && filp->private_data != dev->owner) { |
1071 | res = -EBUSY; | |
1072 | break; | |
1073 | } | |
1074 | if (dev->status == STATUS_IDLE) | |
1075 | break; | |
76717b88 | 1076 | res = hdpvr_stop_streaming(dev); |
ede197aa HV |
1077 | if (!res) |
1078 | dev->owner = NULL; | |
76717b88 JG |
1079 | break; |
1080 | default: | |
9ef77adf | 1081 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
76717b88 | 1082 | "Unsupported encoder cmd %d\n", a->cmd); |
48f98f75 | 1083 | res = -EINVAL; |
ede197aa | 1084 | break; |
76717b88 | 1085 | } |
ede197aa | 1086 | |
76717b88 JG |
1087 | mutex_unlock(&dev->io_mutex); |
1088 | return res; | |
1089 | } | |
1090 | ||
1091 | static int vidioc_try_encoder_cmd(struct file *filp, void *priv, | |
1092 | struct v4l2_encoder_cmd *a) | |
1093 | { | |
ede197aa | 1094 | a->flags = 0; |
76717b88 JG |
1095 | switch (a->cmd) { |
1096 | case V4L2_ENC_CMD_START: | |
1097 | case V4L2_ENC_CMD_STOP: | |
1098 | return 0; | |
1099 | default: | |
1100 | return -EINVAL; | |
1101 | } | |
1102 | } | |
9aba42ef JG |
1103 | |
1104 | static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = { | |
1105 | .vidioc_querycap = vidioc_querycap, | |
1106 | .vidioc_s_std = vidioc_s_std, | |
8f69da95 HV |
1107 | .vidioc_g_std = vidioc_g_std, |
1108 | .vidioc_querystd = vidioc_querystd, | |
3315c59a HV |
1109 | .vidioc_s_dv_timings = vidioc_s_dv_timings, |
1110 | .vidioc_g_dv_timings = vidioc_g_dv_timings, | |
1111 | .vidioc_query_dv_timings= vidioc_query_dv_timings, | |
1112 | .vidioc_enum_dv_timings = vidioc_enum_dv_timings, | |
1113 | .vidioc_dv_timings_cap = vidioc_dv_timings_cap, | |
9aba42ef JG |
1114 | .vidioc_enum_input = vidioc_enum_input, |
1115 | .vidioc_g_input = vidioc_g_input, | |
1116 | .vidioc_s_input = vidioc_s_input, | |
1117 | .vidioc_enumaudio = vidioc_enumaudio, | |
1118 | .vidioc_g_audio = vidioc_g_audio, | |
1119 | .vidioc_s_audio = vidioc_s_audio, | |
65fe42d6 HV |
1120 | .vidioc_enum_fmt_vid_cap= vidioc_enum_fmt_vid_cap, |
1121 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
3315c59a HV |
1122 | .vidioc_s_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
1123 | .vidioc_try_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
76717b88 JG |
1124 | .vidioc_encoder_cmd = vidioc_encoder_cmd, |
1125 | .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd, | |
65fe42d6 HV |
1126 | .vidioc_log_status = v4l2_ctrl_log_status, |
1127 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1128 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
9aba42ef JG |
1129 | }; |
1130 | ||
1131 | static void hdpvr_device_release(struct video_device *vdev) | |
1132 | { | |
1133 | struct hdpvr_device *dev = video_get_drvdata(vdev); | |
1134 | ||
1135 | hdpvr_delete(dev); | |
f2b305cd | 1136 | mutex_lock(&dev->io_mutex); |
5612e191 | 1137 | flush_work(&dev->worker); |
f2b305cd HV |
1138 | mutex_unlock(&dev->io_mutex); |
1139 | ||
1140 | v4l2_device_unregister(&dev->v4l2_dev); | |
99c77aa4 | 1141 | v4l2_ctrl_handler_free(&dev->hdl); |
f2b305cd HV |
1142 | |
1143 | /* deregister I2C adapter */ | |
54d80904 | 1144 | #if IS_ENABLED(CONFIG_I2C) |
f2b305cd | 1145 | mutex_lock(&dev->i2c_mutex); |
324b04ba | 1146 | i2c_del_adapter(&dev->i2c_adapter); |
f2b305cd HV |
1147 | mutex_unlock(&dev->i2c_mutex); |
1148 | #endif /* CONFIG_I2C */ | |
1149 | ||
1150 | kfree(dev->usbc_buf); | |
1151 | kfree(dev); | |
9aba42ef JG |
1152 | } |
1153 | ||
1154 | static const struct video_device hdpvr_video_template = { | |
9aba42ef JG |
1155 | .fops = &hdpvr_fops, |
1156 | .release = hdpvr_device_release, | |
1157 | .ioctl_ops = &hdpvr_ioctl_ops, | |
5854bf88 | 1158 | .tvnorms = V4L2_STD_ALL, |
9aba42ef JG |
1159 | }; |
1160 | ||
99c77aa4 HV |
1161 | static const struct v4l2_ctrl_ops hdpvr_ctrl_ops = { |
1162 | .try_ctrl = hdpvr_try_ctrl, | |
1163 | .s_ctrl = hdpvr_s_ctrl, | |
1164 | }; | |
1165 | ||
a50ab291 JG |
1166 | int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent, |
1167 | int devnum) | |
9aba42ef | 1168 | { |
99c77aa4 HV |
1169 | struct v4l2_ctrl_handler *hdl = &dev->hdl; |
1170 | bool ac3 = dev->flags & HDPVR_FLAG_AC3_CAP; | |
1171 | int res; | |
1172 | ||
8f69da95 HV |
1173 | dev->cur_std = V4L2_STD_525_60; |
1174 | dev->width = 720; | |
1175 | dev->height = 480; | |
3315c59a | 1176 | dev->cur_dv_timings = hdpvr_dv_timings[HDPVR_DEF_DV_TIMINGS_IDX]; |
99c77aa4 HV |
1177 | v4l2_ctrl_handler_init(hdl, 11); |
1178 | if (dev->fw_ver > 0x15) { | |
1179 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1180 | V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x80); | |
1181 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1182 | V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x40); | |
1183 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1184 | V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x40); | |
1185 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1186 | V4L2_CID_HUE, 0x0, 0x1e, 1, 0xf); | |
1187 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1188 | V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); | |
1189 | } else { | |
1190 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1191 | V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x86); | |
1192 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1193 | V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x80); | |
1194 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1195 | V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x80); | |
1196 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1197 | V4L2_CID_HUE, 0x0, 0xff, 1, 0x80); | |
1198 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1199 | V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); | |
1200 | } | |
1201 | ||
1202 | v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1203 | V4L2_CID_MPEG_STREAM_TYPE, | |
1204 | V4L2_MPEG_STREAM_TYPE_MPEG2_TS, | |
1205 | 0x1, V4L2_MPEG_STREAM_TYPE_MPEG2_TS); | |
1206 | v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1207 | V4L2_CID_MPEG_AUDIO_ENCODING, | |
1208 | ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 : V4L2_MPEG_AUDIO_ENCODING_AAC, | |
3445857b | 1209 | 0x7, ac3 ? dev->options.audio_codec : V4L2_MPEG_AUDIO_ENCODING_AAC); |
99c77aa4 HV |
1210 | v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, |
1211 | V4L2_CID_MPEG_VIDEO_ENCODING, | |
1212 | V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 0x3, | |
1213 | V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC); | |
1214 | ||
1215 | dev->video_mode = v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1216 | V4L2_CID_MPEG_VIDEO_BITRATE_MODE, | |
1217 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0, | |
1218 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); | |
1219 | ||
1220 | dev->video_bitrate = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1221 | V4L2_CID_MPEG_VIDEO_BITRATE, | |
1222 | 1000000, 13500000, 100000, 6500000); | |
1223 | dev->video_bitrate_peak = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1224 | V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, | |
1225 | 1100000, 20200000, 100000, 9000000); | |
1226 | dev->v4l2_dev.ctrl_handler = hdl; | |
1227 | if (hdl->error) { | |
1228 | res = hdl->error; | |
1229 | v4l2_err(&dev->v4l2_dev, "Could not register controls\n"); | |
1230 | goto error; | |
1231 | } | |
1232 | v4l2_ctrl_cluster(3, &dev->video_mode); | |
1233 | res = v4l2_ctrl_handler_setup(hdl); | |
1234 | if (res < 0) { | |
1235 | v4l2_err(&dev->v4l2_dev, "Could not setup controls\n"); | |
1236 | goto error; | |
1237 | } | |
1238 | ||
9aba42ef | 1239 | /* setup and register video device */ |
4b30409b HV |
1240 | dev->video_dev = hdpvr_video_template; |
1241 | strcpy(dev->video_dev.name, "Hauppauge HD PVR"); | |
1242 | dev->video_dev.v4l2_dev = &dev->v4l2_dev; | |
1243 | video_set_drvdata(&dev->video_dev, dev); | |
9aba42ef | 1244 | |
4b30409b | 1245 | res = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER, devnum); |
99c77aa4 | 1246 | if (res < 0) { |
9ef77adf | 1247 | v4l2_err(&dev->v4l2_dev, "video_device registration failed\n"); |
9aba42ef JG |
1248 | goto error; |
1249 | } | |
1250 | ||
1251 | return 0; | |
1252 | error: | |
99c77aa4 HV |
1253 | v4l2_ctrl_handler_free(hdl); |
1254 | return res; | |
9aba42ef | 1255 | } |