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> | |
54d80904 | 13 | #include <linux/kconfig.h> |
9aba42ef JG |
14 | #include <linux/errno.h> |
15 | #include <linux/init.h> | |
16 | #include <linux/slab.h> | |
17 | #include <linux/module.h> | |
18 | #include <linux/uaccess.h> | |
19 | #include <linux/usb.h> | |
20 | #include <linux/mutex.h> | |
9aba42ef JG |
21 | #include <linux/workqueue.h> |
22 | ||
23 | #include <linux/videodev2.h> | |
3315c59a | 24 | #include <linux/v4l2-dv-timings.h> |
9aba42ef JG |
25 | #include <media/v4l2-dev.h> |
26 | #include <media/v4l2-common.h> | |
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 | /*=========================================================================*/ | |
84 | /* bufffer bits */ | |
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); | |
157 | if (!urb) { | |
9ef77adf | 158 | v4l2_err(&dev->v4l2_dev, "cannot allocate urb\n"); |
cd0e280f | 159 | goto exit_urb; |
9aba42ef JG |
160 | } |
161 | buf->urb = urb; | |
162 | ||
997ea58e DM |
163 | mem = usb_alloc_coherent(dev->udev, dev->bulk_in_size, GFP_KERNEL, |
164 | &urb->transfer_dma); | |
9aba42ef | 165 | if (!mem) { |
9ef77adf JG |
166 | v4l2_err(&dev->v4l2_dev, |
167 | "cannot allocate usb transfer buffer\n"); | |
cd0e280f | 168 | goto exit_urb_buffer; |
9aba42ef JG |
169 | } |
170 | ||
171 | usb_fill_bulk_urb(buf->urb, dev->udev, | |
172 | usb_rcvbulkpipe(dev->udev, | |
173 | dev->bulk_in_endpointAddr), | |
174 | mem, dev->bulk_in_size, | |
175 | hdpvr_read_bulk_callback, buf); | |
176 | ||
4f5c933a | 177 | buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; |
9aba42ef JG |
178 | buf->status = BUFSTAT_AVAILABLE; |
179 | list_add_tail(&buf->buff_list, &dev->free_buff_list); | |
180 | } | |
181 | return 0; | |
cd0e280f JL |
182 | exit_urb_buffer: |
183 | usb_free_urb(urb); | |
184 | exit_urb: | |
185 | kfree(buf); | |
9aba42ef JG |
186 | exit: |
187 | hdpvr_free_buffers(dev); | |
188 | return retval; | |
189 | } | |
190 | ||
191 | static int hdpvr_submit_buffers(struct hdpvr_device *dev) | |
192 | { | |
193 | struct hdpvr_buffer *buf; | |
194 | struct urb *urb; | |
195 | int ret = 0, err_count = 0; | |
196 | ||
197 | mutex_lock(&dev->io_mutex); | |
198 | ||
199 | while (dev->status == STATUS_STREAMING && | |
200 | !list_empty(&dev->free_buff_list)) { | |
201 | ||
202 | buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer, | |
203 | buff_list); | |
204 | if (buf->status != BUFSTAT_AVAILABLE) { | |
9ef77adf | 205 | v4l2_err(&dev->v4l2_dev, |
4b512d26 | 206 | "buffer not marked as available\n"); |
9aba42ef JG |
207 | ret = -EFAULT; |
208 | goto err; | |
209 | } | |
210 | ||
211 | urb = buf->urb; | |
212 | urb->status = 0; | |
213 | urb->actual_length = 0; | |
214 | ret = usb_submit_urb(urb, GFP_KERNEL); | |
215 | if (ret) { | |
9ef77adf JG |
216 | v4l2_err(&dev->v4l2_dev, |
217 | "usb_submit_urb in %s returned %d\n", | |
218 | __func__, ret); | |
9aba42ef JG |
219 | if (++err_count > 2) |
220 | break; | |
221 | continue; | |
222 | } | |
223 | buf->status = BUFSTAT_INPROGRESS; | |
224 | list_move_tail(&buf->buff_list, &dev->rec_buff_list); | |
225 | } | |
226 | err: | |
d211bfcb | 227 | print_buffer_status(); |
9aba42ef JG |
228 | mutex_unlock(&dev->io_mutex); |
229 | return ret; | |
230 | } | |
231 | ||
232 | static struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev) | |
233 | { | |
234 | struct hdpvr_buffer *buf; | |
235 | ||
236 | mutex_lock(&dev->io_mutex); | |
237 | ||
238 | if (list_empty(&dev->rec_buff_list)) { | |
239 | mutex_unlock(&dev->io_mutex); | |
240 | return NULL; | |
241 | } | |
242 | ||
243 | buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer, | |
244 | buff_list); | |
245 | mutex_unlock(&dev->io_mutex); | |
246 | ||
247 | return buf; | |
248 | } | |
249 | ||
250 | static void hdpvr_transmit_buffers(struct work_struct *work) | |
251 | { | |
252 | struct hdpvr_device *dev = container_of(work, struct hdpvr_device, | |
253 | worker); | |
254 | ||
255 | while (dev->status == STATUS_STREAMING) { | |
256 | ||
257 | if (hdpvr_submit_buffers(dev)) { | |
9ef77adf | 258 | v4l2_err(&dev->v4l2_dev, "couldn't submit buffers\n"); |
9aba42ef JG |
259 | goto error; |
260 | } | |
261 | if (wait_event_interruptible(dev->wait_buffer, | |
262 | !list_empty(&dev->free_buff_list) || | |
263 | dev->status != STATUS_STREAMING)) | |
264 | goto error; | |
265 | } | |
266 | ||
9ef77adf | 267 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
9aba42ef JG |
268 | "transmit worker exited\n"); |
269 | return; | |
270 | error: | |
9ef77adf | 271 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
9aba42ef JG |
272 | "transmit buffers errored\n"); |
273 | dev->status = STATUS_ERROR; | |
274 | } | |
275 | ||
276 | /* function expects dev->io_mutex to be hold by caller */ | |
277 | static int hdpvr_start_streaming(struct hdpvr_device *dev) | |
278 | { | |
279 | int ret; | |
4d601c4c | 280 | struct hdpvr_video_info vidinf; |
9aba42ef JG |
281 | |
282 | if (dev->status == STATUS_STREAMING) | |
283 | return 0; | |
79f10b62 | 284 | if (dev->status != STATUS_IDLE) |
9aba42ef JG |
285 | return -EAGAIN; |
286 | ||
4d601c4c | 287 | ret = get_video_info(dev, &vidinf); |
5f454d82 HV |
288 | if (ret < 0) |
289 | return ret; | |
290 | ||
291 | if (!vidinf.valid) { | |
79f10b62 HV |
292 | msleep(250); |
293 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, | |
294 | "no video signal at input %d\n", dev->options.video_input); | |
295 | return -EAGAIN; | |
296 | } | |
9aba42ef | 297 | |
79f10b62 HV |
298 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
299 | "video signal: %dx%d@%dhz\n", vidinf.width, | |
300 | vidinf.height, vidinf.fps); | |
9aba42ef | 301 | |
79f10b62 HV |
302 | /* start streaming 2 request */ |
303 | ret = usb_control_msg(dev->udev, | |
304 | usb_sndctrlpipe(dev->udev, 0), | |
305 | 0xb8, 0x38, 0x1, 0, NULL, 0, 8000); | |
306 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, | |
307 | "encoder start control request returned %d\n", ret); | |
308 | if (ret < 0) | |
309 | return ret; | |
9aba42ef | 310 | |
79f10b62 HV |
311 | ret = hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00); |
312 | if (ret) | |
313 | return ret; | |
9aba42ef | 314 | |
79f10b62 | 315 | dev->status = STATUS_STREAMING; |
afa15953 | 316 | |
79f10b62 HV |
317 | INIT_WORK(&dev->worker, hdpvr_transmit_buffers); |
318 | queue_work(dev->workqueue, &dev->worker); | |
9aba42ef | 319 | |
79f10b62 HV |
320 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
321 | "streaming started\n"); | |
9aba42ef | 322 | |
79f10b62 | 323 | return 0; |
9aba42ef JG |
324 | } |
325 | ||
326 | ||
327 | /* function expects dev->io_mutex to be hold by caller */ | |
328 | static int hdpvr_stop_streaming(struct hdpvr_device *dev) | |
329 | { | |
85d682b9 MN |
330 | int actual_length; |
331 | uint c = 0; | |
7d771ff0 JG |
332 | u8 *buf; |
333 | ||
9aba42ef JG |
334 | if (dev->status == STATUS_IDLE) |
335 | return 0; | |
336 | else if (dev->status != STATUS_STREAMING) | |
337 | return -EAGAIN; | |
338 | ||
7d771ff0 JG |
339 | buf = kmalloc(dev->bulk_in_size, GFP_KERNEL); |
340 | if (!buf) | |
341 | v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer " | |
342 | "for emptying the internal device buffer. " | |
343 | "Next capture start will be slow\n"); | |
344 | ||
9aba42ef JG |
345 | dev->status = STATUS_SHUTTING_DOWN; |
346 | hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00); | |
48f98f75 | 347 | mutex_unlock(&dev->io_mutex); |
9aba42ef JG |
348 | |
349 | wake_up_interruptible(&dev->wait_buffer); | |
350 | msleep(50); | |
351 | ||
352 | flush_workqueue(dev->workqueue); | |
353 | ||
48f98f75 | 354 | mutex_lock(&dev->io_mutex); |
9aba42ef JG |
355 | /* kill the still outstanding urbs */ |
356 | hdpvr_cancel_queue(dev); | |
357 | ||
7d771ff0 JG |
358 | /* emptying the device buffer beforeshutting it down */ |
359 | while (buf && ++c < 500 && | |
360 | !usb_bulk_msg(dev->udev, | |
361 | usb_rcvbulkpipe(dev->udev, | |
362 | dev->bulk_in_endpointAddr), | |
363 | buf, dev->bulk_in_size, &actual_length, | |
364 | BULK_URB_TIMEOUT)) { | |
7d771ff0 JG |
365 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
366 | "%2d: got %d bytes\n", c, actual_length); | |
367 | } | |
368 | kfree(buf); | |
369 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, | |
370 | "used %d urbs to empty device buffers\n", c-1); | |
371 | msleep(10); | |
372 | ||
9aba42ef JG |
373 | dev->status = STATUS_IDLE; |
374 | ||
375 | return 0; | |
376 | } | |
377 | ||
378 | ||
379 | /*=======================================================================*/ | |
380 | /* | |
381 | * video 4 linux 2 file operations | |
382 | */ | |
383 | ||
3315c59a HV |
384 | static int hdpvr_open(struct file *file) |
385 | { | |
386 | struct hdpvr_fh *fh = kzalloc(sizeof(*fh), GFP_KERNEL); | |
387 | ||
388 | if (fh == NULL) | |
389 | return -ENOMEM; | |
390 | fh->legacy_mode = true; | |
391 | v4l2_fh_init(&fh->fh, video_devdata(file)); | |
392 | v4l2_fh_add(&fh->fh); | |
393 | file->private_data = fh; | |
394 | return 0; | |
395 | } | |
396 | ||
9aba42ef JG |
397 | static int hdpvr_release(struct file *file) |
398 | { | |
ede197aa | 399 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef | 400 | |
9aba42ef | 401 | mutex_lock(&dev->io_mutex); |
ede197aa | 402 | if (file->private_data == dev->owner) { |
9aba42ef | 403 | hdpvr_stop_streaming(dev); |
ede197aa HV |
404 | dev->owner = NULL; |
405 | } | |
9aba42ef JG |
406 | mutex_unlock(&dev->io_mutex); |
407 | ||
ede197aa | 408 | return v4l2_fh_release(file); |
9aba42ef JG |
409 | } |
410 | ||
411 | /* | |
412 | * hdpvr_v4l2_read() | |
413 | * will allocate buffers when called for the first time | |
414 | */ | |
415 | static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, | |
416 | loff_t *pos) | |
417 | { | |
ede197aa | 418 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
419 | struct hdpvr_buffer *buf = NULL; |
420 | struct urb *urb; | |
421 | unsigned int ret = 0; | |
422 | int rem, cnt; | |
423 | ||
424 | if (*pos) | |
425 | return -ESPIPE; | |
426 | ||
9aba42ef JG |
427 | mutex_lock(&dev->io_mutex); |
428 | if (dev->status == STATUS_IDLE) { | |
429 | if (hdpvr_start_streaming(dev)) { | |
9ef77adf JG |
430 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
431 | "start_streaming failed\n"); | |
9aba42ef JG |
432 | ret = -EIO; |
433 | msleep(200); | |
434 | dev->status = STATUS_IDLE; | |
435 | mutex_unlock(&dev->io_mutex); | |
436 | goto err; | |
437 | } | |
ede197aa | 438 | dev->owner = file->private_data; |
d211bfcb | 439 | print_buffer_status(); |
9aba42ef JG |
440 | } |
441 | mutex_unlock(&dev->io_mutex); | |
442 | ||
443 | /* wait for the first buffer */ | |
444 | if (!(file->f_flags & O_NONBLOCK)) { | |
445 | if (wait_event_interruptible(dev->wait_data, | |
446 | hdpvr_get_next_buffer(dev))) | |
447 | return -ERESTARTSYS; | |
448 | } | |
449 | ||
450 | buf = hdpvr_get_next_buffer(dev); | |
451 | ||
452 | while (count > 0 && buf) { | |
453 | ||
454 | if (buf->status != BUFSTAT_READY && | |
455 | dev->status != STATUS_DISCONNECTED) { | |
456 | /* return nonblocking */ | |
457 | if (file->f_flags & O_NONBLOCK) { | |
458 | if (!ret) | |
459 | ret = -EAGAIN; | |
460 | goto err; | |
461 | } | |
462 | ||
463 | if (wait_event_interruptible(dev->wait_data, | |
464 | buf->status == BUFSTAT_READY)) { | |
465 | ret = -ERESTARTSYS; | |
466 | goto err; | |
467 | } | |
468 | } | |
469 | ||
470 | if (buf->status != BUFSTAT_READY) | |
471 | break; | |
472 | ||
473 | /* set remaining bytes to copy */ | |
474 | urb = buf->urb; | |
475 | rem = urb->actual_length - buf->pos; | |
476 | cnt = rem > count ? count : rem; | |
477 | ||
478 | if (copy_to_user(buffer, urb->transfer_buffer + buf->pos, | |
479 | cnt)) { | |
9ef77adf | 480 | v4l2_err(&dev->v4l2_dev, "read: copy_to_user failed\n"); |
9aba42ef JG |
481 | if (!ret) |
482 | ret = -EFAULT; | |
483 | goto err; | |
484 | } | |
485 | ||
486 | buf->pos += cnt; | |
487 | count -= cnt; | |
488 | buffer += cnt; | |
489 | ret += cnt; | |
490 | ||
491 | /* finished, take next buffer */ | |
492 | if (buf->pos == urb->actual_length) { | |
493 | mutex_lock(&dev->io_mutex); | |
494 | buf->pos = 0; | |
495 | buf->status = BUFSTAT_AVAILABLE; | |
496 | ||
497 | list_move_tail(&buf->buff_list, &dev->free_buff_list); | |
498 | ||
d211bfcb | 499 | print_buffer_status(); |
9aba42ef JG |
500 | |
501 | mutex_unlock(&dev->io_mutex); | |
502 | ||
503 | wake_up_interruptible(&dev->wait_buffer); | |
504 | ||
505 | buf = hdpvr_get_next_buffer(dev); | |
506 | } | |
507 | } | |
508 | err: | |
509 | if (!ret && !buf) | |
510 | ret = -EAGAIN; | |
511 | return ret; | |
512 | } | |
513 | ||
514 | static unsigned int hdpvr_poll(struct file *filp, poll_table *wait) | |
515 | { | |
65fe42d6 | 516 | unsigned long req_events = poll_requested_events(wait); |
d2ff3ec8 | 517 | struct hdpvr_buffer *buf = NULL; |
ede197aa | 518 | struct hdpvr_device *dev = video_drvdata(filp); |
65fe42d6 | 519 | unsigned int mask = v4l2_ctrl_poll(filp, wait); |
9aba42ef | 520 | |
65fe42d6 HV |
521 | if (!(req_events & (POLLIN | POLLRDNORM))) |
522 | return mask; | |
9aba42ef | 523 | |
65fe42d6 | 524 | mutex_lock(&dev->io_mutex); |
9aba42ef JG |
525 | |
526 | if (dev->status == STATUS_IDLE) { | |
527 | if (hdpvr_start_streaming(dev)) { | |
9ef77adf JG |
528 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
529 | "start_streaming failed\n"); | |
9aba42ef | 530 | dev->status = STATUS_IDLE; |
ede197aa HV |
531 | } else { |
532 | dev->owner = filp->private_data; | |
9aba42ef JG |
533 | } |
534 | ||
d211bfcb | 535 | print_buffer_status(); |
9aba42ef JG |
536 | } |
537 | mutex_unlock(&dev->io_mutex); | |
538 | ||
d2ff3ec8 JG |
539 | buf = hdpvr_get_next_buffer(dev); |
540 | /* only wait if no data is available */ | |
541 | if (!buf || buf->status != BUFSTAT_READY) { | |
542 | poll_wait(filp, &dev->wait_data, wait); | |
543 | buf = hdpvr_get_next_buffer(dev); | |
9aba42ef | 544 | } |
d2ff3ec8 JG |
545 | if (buf && buf->status == BUFSTAT_READY) |
546 | mask |= POLLIN | POLLRDNORM; | |
9aba42ef JG |
547 | |
548 | return mask; | |
549 | } | |
550 | ||
551 | ||
9aba42ef JG |
552 | static const struct v4l2_file_operations hdpvr_fops = { |
553 | .owner = THIS_MODULE, | |
3315c59a | 554 | .open = hdpvr_open, |
9aba42ef JG |
555 | .release = hdpvr_release, |
556 | .read = hdpvr_read, | |
557 | .poll = hdpvr_poll, | |
76717b88 | 558 | .unlocked_ioctl = video_ioctl2, |
9aba42ef JG |
559 | }; |
560 | ||
561 | /*=======================================================================*/ | |
562 | /* | |
563 | * V4L2 ioctl handling | |
564 | */ | |
565 | ||
566 | static int vidioc_querycap(struct file *file, void *priv, | |
567 | struct v4l2_capability *cap) | |
568 | { | |
569 | struct hdpvr_device *dev = video_drvdata(file); | |
570 | ||
571 | strcpy(cap->driver, "hdpvr"); | |
fdd70c33 | 572 | strcpy(cap->card, "Hauppauge HD PVR"); |
9aba42ef | 573 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
41022fcb HV |
574 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO | |
575 | V4L2_CAP_READWRITE; | |
576 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
9aba42ef JG |
577 | return 0; |
578 | } | |
579 | ||
5854bf88 | 580 | static int vidioc_s_std(struct file *file, void *_fh, |
314527ac | 581 | v4l2_std_id std) |
9aba42ef | 582 | { |
ede197aa | 583 | struct hdpvr_device *dev = video_drvdata(file); |
5854bf88 | 584 | struct hdpvr_fh *fh = _fh; |
9aba42ef JG |
585 | u8 std_type = 1; |
586 | ||
5854bf88 | 587 | if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) |
8f69da95 HV |
588 | return -ENODATA; |
589 | if (dev->status != STATUS_IDLE) | |
590 | return -EBUSY; | |
591 | if (std & V4L2_STD_525_60) | |
9aba42ef | 592 | std_type = 0; |
8f69da95 HV |
593 | dev->cur_std = std; |
594 | dev->width = 720; | |
595 | dev->height = std_type ? 576 : 480; | |
9aba42ef JG |
596 | |
597 | return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type); | |
598 | } | |
599 | ||
5854bf88 | 600 | static int vidioc_g_std(struct file *file, void *_fh, |
8f69da95 HV |
601 | v4l2_std_id *std) |
602 | { | |
603 | struct hdpvr_device *dev = video_drvdata(file); | |
5854bf88 | 604 | struct hdpvr_fh *fh = _fh; |
8f69da95 | 605 | |
5854bf88 | 606 | if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) |
8f69da95 HV |
607 | return -ENODATA; |
608 | *std = dev->cur_std; | |
609 | return 0; | |
610 | } | |
611 | ||
5854bf88 | 612 | static int vidioc_querystd(struct file *file, void *_fh, v4l2_std_id *a) |
8f69da95 HV |
613 | { |
614 | struct hdpvr_device *dev = video_drvdata(file); | |
4d601c4c | 615 | struct hdpvr_video_info vid_info; |
5854bf88 | 616 | struct hdpvr_fh *fh = _fh; |
4d601c4c | 617 | int ret; |
8f69da95 | 618 | |
ab6e134a | 619 | *a = V4L2_STD_UNKNOWN; |
5854bf88 HV |
620 | if (dev->options.video_input == HDPVR_COMPONENT) |
621 | return fh->legacy_mode ? 0 : -ENODATA; | |
4d601c4c | 622 | ret = get_video_info(dev, &vid_info); |
5f454d82 | 623 | if (vid_info.valid && vid_info.width == 720 && |
4d601c4c LK |
624 | (vid_info.height == 480 || vid_info.height == 576)) { |
625 | *a = (vid_info.height == 480) ? | |
8f69da95 HV |
626 | V4L2_STD_525_60 : V4L2_STD_625_50; |
627 | } | |
5f454d82 | 628 | return ret; |
8f69da95 HV |
629 | } |
630 | ||
3315c59a HV |
631 | static int vidioc_s_dv_timings(struct file *file, void *_fh, |
632 | struct v4l2_dv_timings *timings) | |
633 | { | |
634 | struct hdpvr_device *dev = video_drvdata(file); | |
635 | struct hdpvr_fh *fh = _fh; | |
636 | int i; | |
637 | ||
638 | fh->legacy_mode = false; | |
639 | if (dev->options.video_input) | |
640 | return -ENODATA; | |
641 | if (dev->status != STATUS_IDLE) | |
642 | return -EBUSY; | |
643 | for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) | |
644 | if (v4l_match_dv_timings(timings, hdpvr_dv_timings + i, 0)) | |
645 | break; | |
646 | if (i == ARRAY_SIZE(hdpvr_dv_timings)) | |
647 | return -EINVAL; | |
648 | dev->cur_dv_timings = hdpvr_dv_timings[i]; | |
649 | dev->width = hdpvr_dv_timings[i].bt.width; | |
650 | dev->height = hdpvr_dv_timings[i].bt.height; | |
651 | return 0; | |
652 | } | |
653 | ||
654 | static int vidioc_g_dv_timings(struct file *file, void *_fh, | |
655 | struct v4l2_dv_timings *timings) | |
656 | { | |
657 | struct hdpvr_device *dev = video_drvdata(file); | |
658 | struct hdpvr_fh *fh = _fh; | |
659 | ||
660 | fh->legacy_mode = false; | |
661 | if (dev->options.video_input) | |
662 | return -ENODATA; | |
663 | *timings = dev->cur_dv_timings; | |
664 | return 0; | |
665 | } | |
666 | ||
667 | static int vidioc_query_dv_timings(struct file *file, void *_fh, | |
668 | struct v4l2_dv_timings *timings) | |
669 | { | |
670 | struct hdpvr_device *dev = video_drvdata(file); | |
671 | struct hdpvr_fh *fh = _fh; | |
4d601c4c | 672 | struct hdpvr_video_info vid_info; |
3315c59a HV |
673 | bool interlaced; |
674 | int ret = 0; | |
675 | int i; | |
676 | ||
677 | fh->legacy_mode = false; | |
678 | if (dev->options.video_input) | |
679 | return -ENODATA; | |
4d601c4c LK |
680 | ret = get_video_info(dev, &vid_info); |
681 | if (ret) | |
5f454d82 HV |
682 | return ret; |
683 | if (!vid_info.valid) | |
3315c59a | 684 | return -ENOLCK; |
4d601c4c | 685 | interlaced = vid_info.fps <= 30; |
3315c59a HV |
686 | for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) { |
687 | const struct v4l2_bt_timings *bt = &hdpvr_dv_timings[i].bt; | |
688 | unsigned hsize; | |
689 | unsigned vsize; | |
690 | unsigned fps; | |
691 | ||
692 | hsize = bt->hfrontporch + bt->hsync + bt->hbackporch + bt->width; | |
693 | vsize = bt->vfrontporch + bt->vsync + bt->vbackporch + | |
694 | bt->il_vfrontporch + bt->il_vsync + bt->il_vbackporch + | |
695 | bt->height; | |
696 | fps = (unsigned)bt->pixelclock / (hsize * vsize); | |
4d601c4c LK |
697 | if (bt->width != vid_info.width || |
698 | bt->height != vid_info.height || | |
3315c59a | 699 | bt->interlaced != interlaced || |
4d601c4c | 700 | (fps != vid_info.fps && fps + 1 != vid_info.fps)) |
3315c59a HV |
701 | continue; |
702 | *timings = hdpvr_dv_timings[i]; | |
703 | break; | |
704 | } | |
705 | if (i == ARRAY_SIZE(hdpvr_dv_timings)) | |
706 | ret = -ERANGE; | |
4d601c4c | 707 | |
3315c59a HV |
708 | return ret; |
709 | } | |
710 | ||
711 | static int vidioc_enum_dv_timings(struct file *file, void *_fh, | |
712 | struct v4l2_enum_dv_timings *timings) | |
713 | { | |
714 | struct hdpvr_device *dev = video_drvdata(file); | |
715 | struct hdpvr_fh *fh = _fh; | |
716 | ||
717 | fh->legacy_mode = false; | |
718 | memset(timings->reserved, 0, sizeof(timings->reserved)); | |
719 | if (dev->options.video_input) | |
720 | return -ENODATA; | |
721 | if (timings->index >= ARRAY_SIZE(hdpvr_dv_timings)) | |
722 | return -EINVAL; | |
723 | timings->timings = hdpvr_dv_timings[timings->index]; | |
724 | return 0; | |
725 | } | |
726 | ||
727 | static int vidioc_dv_timings_cap(struct file *file, void *_fh, | |
728 | struct v4l2_dv_timings_cap *cap) | |
729 | { | |
730 | struct hdpvr_device *dev = video_drvdata(file); | |
731 | struct hdpvr_fh *fh = _fh; | |
732 | ||
733 | fh->legacy_mode = false; | |
734 | if (dev->options.video_input) | |
735 | return -ENODATA; | |
736 | cap->type = V4L2_DV_BT_656_1120; | |
737 | cap->bt.min_width = 720; | |
738 | cap->bt.max_width = 1920; | |
739 | cap->bt.min_height = 480; | |
740 | cap->bt.max_height = 1080; | |
741 | cap->bt.min_pixelclock = 27000000; | |
742 | cap->bt.max_pixelclock = 74250000; | |
743 | cap->bt.standards = V4L2_DV_BT_STD_CEA861; | |
744 | cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED | V4L2_DV_BT_CAP_PROGRESSIVE; | |
745 | return 0; | |
746 | } | |
747 | ||
9aba42ef JG |
748 | static const char *iname[] = { |
749 | [HDPVR_COMPONENT] = "Component", | |
750 | [HDPVR_SVIDEO] = "S-Video", | |
751 | [HDPVR_COMPOSITE] = "Composite", | |
752 | }; | |
753 | ||
5854bf88 | 754 | static int vidioc_enum_input(struct file *file, void *_fh, struct v4l2_input *i) |
9aba42ef | 755 | { |
9aba42ef JG |
756 | unsigned int n; |
757 | ||
758 | n = i->index; | |
759 | if (n >= HDPVR_VIDEO_INPUTS) | |
760 | return -EINVAL; | |
761 | ||
762 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
763 | ||
764 | strncpy(i->name, iname[n], sizeof(i->name) - 1); | |
765 | i->name[sizeof(i->name) - 1] = '\0'; | |
766 | ||
767 | i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF; | |
768 | ||
8f69da95 HV |
769 | i->capabilities = n ? V4L2_IN_CAP_STD : V4L2_IN_CAP_DV_TIMINGS; |
770 | i->std = n ? V4L2_STD_ALL : 0; | |
9aba42ef JG |
771 | |
772 | return 0; | |
773 | } | |
774 | ||
5854bf88 | 775 | static int vidioc_s_input(struct file *file, void *_fh, |
9aba42ef JG |
776 | unsigned int index) |
777 | { | |
ede197aa | 778 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
779 | int retval; |
780 | ||
781 | if (index >= HDPVR_VIDEO_INPUTS) | |
782 | return -EINVAL; | |
783 | ||
784 | if (dev->status != STATUS_IDLE) | |
97caa318 | 785 | return -EBUSY; |
9aba42ef JG |
786 | |
787 | retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1); | |
8f69da95 | 788 | if (!retval) { |
9aba42ef | 789 | dev->options.video_input = index; |
5854bf88 HV |
790 | /* |
791 | * Unfortunately gstreamer calls ENUMSTD and bails out if it | |
792 | * won't find any formats, even though component input is | |
793 | * selected. This means that we have to leave tvnorms at | |
794 | * V4L2_STD_ALL. We cannot use the 'legacy' trick since | |
795 | * tvnorms is set at the device node level and not at the | |
796 | * filehandle level. | |
797 | * | |
798 | * Comment this out for now, but if the legacy mode can be | |
799 | * removed in the future, then this code should be enabled | |
800 | * again. | |
8f69da95 | 801 | dev->video_dev->tvnorms = |
5854bf88 HV |
802 | (index != HDPVR_COMPONENT) ? V4L2_STD_ALL : 0; |
803 | */ | |
8f69da95 | 804 | } |
9aba42ef JG |
805 | |
806 | return retval; | |
807 | } | |
808 | ||
809 | static int vidioc_g_input(struct file *file, void *private_data, | |
810 | unsigned int *index) | |
811 | { | |
ede197aa | 812 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
813 | |
814 | *index = dev->options.video_input; | |
815 | return 0; | |
816 | } | |
817 | ||
818 | ||
819 | static const char *audio_iname[] = { | |
820 | [HDPVR_RCA_FRONT] = "RCA front", | |
821 | [HDPVR_RCA_BACK] = "RCA back", | |
822 | [HDPVR_SPDIF] = "SPDIF", | |
823 | }; | |
824 | ||
825 | static int vidioc_enumaudio(struct file *file, void *priv, | |
826 | struct v4l2_audio *audio) | |
827 | { | |
828 | unsigned int n; | |
829 | ||
830 | n = audio->index; | |
831 | if (n >= HDPVR_AUDIO_INPUTS) | |
832 | return -EINVAL; | |
833 | ||
834 | audio->capability = V4L2_AUDCAP_STEREO; | |
835 | ||
836 | strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1); | |
837 | audio->name[sizeof(audio->name) - 1] = '\0'; | |
838 | ||
839 | return 0; | |
840 | } | |
841 | ||
842 | static int vidioc_s_audio(struct file *file, void *private_data, | |
0e8025b9 | 843 | const struct v4l2_audio *audio) |
9aba42ef | 844 | { |
ede197aa | 845 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
846 | int retval; |
847 | ||
848 | if (audio->index >= HDPVR_AUDIO_INPUTS) | |
849 | return -EINVAL; | |
850 | ||
851 | if (dev->status != STATUS_IDLE) | |
97caa318 | 852 | return -EBUSY; |
9aba42ef JG |
853 | |
854 | retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec); | |
855 | if (!retval) | |
856 | dev->options.audio_input = audio->index; | |
857 | ||
858 | return retval; | |
859 | } | |
860 | ||
861 | static int vidioc_g_audio(struct file *file, void *private_data, | |
862 | struct v4l2_audio *audio) | |
863 | { | |
ede197aa | 864 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
865 | |
866 | audio->index = dev->options.audio_input; | |
867 | audio->capability = V4L2_AUDCAP_STEREO; | |
868 | strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name)); | |
869 | audio->name[sizeof(audio->name) - 1] = '\0'; | |
870 | return 0; | |
871 | } | |
872 | ||
99c77aa4 | 873 | static int hdpvr_try_ctrl(struct v4l2_ctrl *ctrl) |
9aba42ef | 874 | { |
99c77aa4 HV |
875 | struct hdpvr_device *dev = |
876 | container_of(ctrl->handler, struct hdpvr_device, hdl); | |
9aba42ef JG |
877 | |
878 | switch (ctrl->id) { | |
99c77aa4 HV |
879 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: |
880 | if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && | |
881 | dev->video_bitrate->val >= dev->video_bitrate_peak->val) | |
882 | dev->video_bitrate_peak->val = | |
883 | dev->video_bitrate->val + 100000; | |
9aba42ef | 884 | break; |
9aba42ef JG |
885 | } |
886 | return 0; | |
887 | } | |
888 | ||
99c77aa4 | 889 | static int hdpvr_s_ctrl(struct v4l2_ctrl *ctrl) |
9aba42ef | 890 | { |
99c77aa4 HV |
891 | struct hdpvr_device *dev = |
892 | container_of(ctrl->handler, struct hdpvr_device, hdl); | |
893 | struct hdpvr_options *opt = &dev->options; | |
894 | int ret = -EINVAL; | |
9aba42ef JG |
895 | |
896 | switch (ctrl->id) { | |
897 | case V4L2_CID_BRIGHTNESS: | |
99c77aa4 HV |
898 | ret = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->val); |
899 | if (ret) | |
900 | break; | |
901 | dev->options.brightness = ctrl->val; | |
902 | return 0; | |
9aba42ef | 903 | case V4L2_CID_CONTRAST: |
99c77aa4 HV |
904 | ret = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->val); |
905 | if (ret) | |
906 | break; | |
907 | dev->options.contrast = ctrl->val; | |
908 | return 0; | |
9aba42ef | 909 | case V4L2_CID_SATURATION: |
99c77aa4 HV |
910 | ret = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->val); |
911 | if (ret) | |
912 | break; | |
913 | dev->options.saturation = ctrl->val; | |
914 | return 0; | |
9aba42ef | 915 | case V4L2_CID_HUE: |
99c77aa4 HV |
916 | ret = hdpvr_config_call(dev, CTRL_HUE, ctrl->val); |
917 | if (ret) | |
918 | break; | |
919 | dev->options.hue = ctrl->val; | |
920 | return 0; | |
9aba42ef | 921 | case V4L2_CID_SHARPNESS: |
99c77aa4 HV |
922 | ret = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->val); |
923 | if (ret) | |
924 | break; | |
925 | dev->options.sharpness = ctrl->val; | |
926 | return 0; | |
9aba42ef JG |
927 | case V4L2_CID_MPEG_AUDIO_ENCODING: |
928 | if (dev->flags & HDPVR_FLAG_AC3_CAP) { | |
99c77aa4 HV |
929 | opt->audio_codec = ctrl->val; |
930 | return hdpvr_set_audio(dev, opt->audio_input, | |
9aba42ef JG |
931 | opt->audio_codec); |
932 | } | |
99c77aa4 | 933 | return 0; |
9aba42ef | 934 | case V4L2_CID_MPEG_VIDEO_ENCODING: |
99c77aa4 | 935 | return 0; |
9aba42ef JG |
936 | /* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ |
937 | /* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */ | |
938 | /* opt->gop_mode |= 0x2; */ | |
939 | /* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ | |
940 | /* opt->gop_mode); */ | |
941 | /* } */ | |
942 | /* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */ | |
943 | /* opt->gop_mode &= ~0x2; */ | |
944 | /* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ | |
945 | /* opt->gop_mode); */ | |
946 | /* } */ | |
947 | /* break; */ | |
99c77aa4 HV |
948 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: { |
949 | uint peak_bitrate = dev->video_bitrate_peak->val / 100000; | |
950 | uint bitrate = dev->video_bitrate->val / 100000; | |
951 | ||
952 | if (ctrl->is_new) { | |
953 | if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) | |
954 | opt->bitrate_mode = HDPVR_CONSTANT; | |
955 | else | |
956 | opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE; | |
9aba42ef JG |
957 | hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, |
958 | opt->bitrate_mode); | |
99c77aa4 HV |
959 | v4l2_ctrl_activate(dev->video_bitrate_peak, |
960 | ctrl->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); | |
9aba42ef | 961 | } |
9aba42ef | 962 | |
99c77aa4 HV |
963 | if (dev->video_bitrate_peak->is_new || |
964 | dev->video_bitrate->is_new) { | |
965 | opt->bitrate = bitrate; | |
9aba42ef JG |
966 | opt->peak_bitrate = peak_bitrate; |
967 | hdpvr_set_bitrate(dev); | |
99c77aa4 HV |
968 | } |
969 | return 0; | |
9aba42ef JG |
970 | } |
971 | case V4L2_CID_MPEG_STREAM_TYPE: | |
99c77aa4 | 972 | return 0; |
9aba42ef | 973 | default: |
99c77aa4 | 974 | break; |
9aba42ef JG |
975 | } |
976 | return ret; | |
977 | } | |
978 | ||
9aba42ef JG |
979 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data, |
980 | struct v4l2_fmtdesc *f) | |
981 | { | |
97caa318 | 982 | if (f->index != 0) |
9aba42ef JG |
983 | return -EINVAL; |
984 | ||
985 | f->flags = V4L2_FMT_FLAG_COMPRESSED; | |
986 | strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32); | |
987 | f->pixelformat = V4L2_PIX_FMT_MPEG; | |
988 | ||
989 | return 0; | |
990 | } | |
991 | ||
3315c59a | 992 | static int vidioc_g_fmt_vid_cap(struct file *file, void *_fh, |
9aba42ef JG |
993 | struct v4l2_format *f) |
994 | { | |
ede197aa | 995 | struct hdpvr_device *dev = video_drvdata(file); |
3315c59a | 996 | struct hdpvr_fh *fh = _fh; |
4d601c4c | 997 | int ret; |
3315c59a HV |
998 | |
999 | /* | |
1000 | * The original driver would always returns the current detected | |
1001 | * resolution as the format (and EFAULT if it couldn't be detected). | |
1002 | * With the introduction of VIDIOC_QUERY_DV_TIMINGS there is now a | |
1003 | * better way of doing this, but to stay compatible with existing | |
1004 | * applications we assume legacy mode every time an application opens | |
1005 | * the device. Only if one of the new DV_TIMINGS ioctls is called | |
1006 | * will the filehandle go into 'normal' mode where g_fmt returns the | |
1007 | * last set format. | |
1008 | */ | |
1009 | if (fh->legacy_mode) { | |
4d601c4c | 1010 | struct hdpvr_video_info vid_info; |
3315c59a | 1011 | |
4d601c4c | 1012 | ret = get_video_info(dev, &vid_info); |
5f454d82 HV |
1013 | if (ret < 0) |
1014 | return ret; | |
1015 | if (!vid_info.valid) | |
3315c59a | 1016 | return -EFAULT; |
4d601c4c LK |
1017 | f->fmt.pix.width = vid_info.width; |
1018 | f->fmt.pix.height = vid_info.height; | |
3315c59a HV |
1019 | } else { |
1020 | f->fmt.pix.width = dev->width; | |
1021 | f->fmt.pix.height = dev->height; | |
1022 | } | |
9aba42ef | 1023 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
9aba42ef | 1024 | f->fmt.pix.sizeimage = dev->bulk_in_size; |
9aba42ef | 1025 | f->fmt.pix.bytesperline = 0; |
3315c59a HV |
1026 | f->fmt.pix.priv = 0; |
1027 | if (f->fmt.pix.width == 720) { | |
1028 | /* SDTV formats */ | |
1029 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1030 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1031 | } else { | |
1032 | /* HDTV formats */ | |
1033 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE240M; | |
1034 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1035 | } | |
9aba42ef JG |
1036 | return 0; |
1037 | } | |
1038 | ||
76717b88 JG |
1039 | static int vidioc_encoder_cmd(struct file *filp, void *priv, |
1040 | struct v4l2_encoder_cmd *a) | |
1041 | { | |
ede197aa HV |
1042 | struct hdpvr_device *dev = video_drvdata(filp); |
1043 | int res = 0; | |
76717b88 JG |
1044 | |
1045 | mutex_lock(&dev->io_mutex); | |
ede197aa | 1046 | a->flags = 0; |
76717b88 | 1047 | |
76717b88 JG |
1048 | switch (a->cmd) { |
1049 | case V4L2_ENC_CMD_START: | |
ede197aa HV |
1050 | if (dev->owner && filp->private_data != dev->owner) { |
1051 | res = -EBUSY; | |
1052 | break; | |
1053 | } | |
1054 | if (dev->status == STATUS_STREAMING) | |
1055 | break; | |
76717b88 | 1056 | res = hdpvr_start_streaming(dev); |
ede197aa HV |
1057 | if (!res) |
1058 | dev->owner = filp->private_data; | |
1059 | else | |
1060 | dev->status = STATUS_IDLE; | |
76717b88 JG |
1061 | break; |
1062 | case V4L2_ENC_CMD_STOP: | |
ede197aa HV |
1063 | if (dev->owner && filp->private_data != dev->owner) { |
1064 | res = -EBUSY; | |
1065 | break; | |
1066 | } | |
1067 | if (dev->status == STATUS_IDLE) | |
1068 | break; | |
76717b88 | 1069 | res = hdpvr_stop_streaming(dev); |
ede197aa HV |
1070 | if (!res) |
1071 | dev->owner = NULL; | |
76717b88 JG |
1072 | break; |
1073 | default: | |
9ef77adf | 1074 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
76717b88 | 1075 | "Unsupported encoder cmd %d\n", a->cmd); |
48f98f75 | 1076 | res = -EINVAL; |
ede197aa | 1077 | break; |
76717b88 | 1078 | } |
ede197aa | 1079 | |
76717b88 JG |
1080 | mutex_unlock(&dev->io_mutex); |
1081 | return res; | |
1082 | } | |
1083 | ||
1084 | static int vidioc_try_encoder_cmd(struct file *filp, void *priv, | |
1085 | struct v4l2_encoder_cmd *a) | |
1086 | { | |
ede197aa | 1087 | a->flags = 0; |
76717b88 JG |
1088 | switch (a->cmd) { |
1089 | case V4L2_ENC_CMD_START: | |
1090 | case V4L2_ENC_CMD_STOP: | |
1091 | return 0; | |
1092 | default: | |
1093 | return -EINVAL; | |
1094 | } | |
1095 | } | |
9aba42ef JG |
1096 | |
1097 | static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = { | |
1098 | .vidioc_querycap = vidioc_querycap, | |
1099 | .vidioc_s_std = vidioc_s_std, | |
8f69da95 HV |
1100 | .vidioc_g_std = vidioc_g_std, |
1101 | .vidioc_querystd = vidioc_querystd, | |
3315c59a HV |
1102 | .vidioc_s_dv_timings = vidioc_s_dv_timings, |
1103 | .vidioc_g_dv_timings = vidioc_g_dv_timings, | |
1104 | .vidioc_query_dv_timings= vidioc_query_dv_timings, | |
1105 | .vidioc_enum_dv_timings = vidioc_enum_dv_timings, | |
1106 | .vidioc_dv_timings_cap = vidioc_dv_timings_cap, | |
9aba42ef JG |
1107 | .vidioc_enum_input = vidioc_enum_input, |
1108 | .vidioc_g_input = vidioc_g_input, | |
1109 | .vidioc_s_input = vidioc_s_input, | |
1110 | .vidioc_enumaudio = vidioc_enumaudio, | |
1111 | .vidioc_g_audio = vidioc_g_audio, | |
1112 | .vidioc_s_audio = vidioc_s_audio, | |
65fe42d6 HV |
1113 | .vidioc_enum_fmt_vid_cap= vidioc_enum_fmt_vid_cap, |
1114 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
3315c59a HV |
1115 | .vidioc_s_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
1116 | .vidioc_try_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
76717b88 JG |
1117 | .vidioc_encoder_cmd = vidioc_encoder_cmd, |
1118 | .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd, | |
65fe42d6 HV |
1119 | .vidioc_log_status = v4l2_ctrl_log_status, |
1120 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1121 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
9aba42ef JG |
1122 | }; |
1123 | ||
1124 | static void hdpvr_device_release(struct video_device *vdev) | |
1125 | { | |
1126 | struct hdpvr_device *dev = video_get_drvdata(vdev); | |
1127 | ||
1128 | hdpvr_delete(dev); | |
f2b305cd HV |
1129 | mutex_lock(&dev->io_mutex); |
1130 | destroy_workqueue(dev->workqueue); | |
1131 | mutex_unlock(&dev->io_mutex); | |
1132 | ||
1133 | v4l2_device_unregister(&dev->v4l2_dev); | |
99c77aa4 | 1134 | v4l2_ctrl_handler_free(&dev->hdl); |
f2b305cd HV |
1135 | |
1136 | /* deregister I2C adapter */ | |
54d80904 | 1137 | #if IS_ENABLED(CONFIG_I2C) |
f2b305cd | 1138 | mutex_lock(&dev->i2c_mutex); |
324b04ba | 1139 | i2c_del_adapter(&dev->i2c_adapter); |
f2b305cd HV |
1140 | mutex_unlock(&dev->i2c_mutex); |
1141 | #endif /* CONFIG_I2C */ | |
1142 | ||
1143 | kfree(dev->usbc_buf); | |
1144 | kfree(dev); | |
9aba42ef JG |
1145 | } |
1146 | ||
1147 | static const struct video_device hdpvr_video_template = { | |
9aba42ef JG |
1148 | .fops = &hdpvr_fops, |
1149 | .release = hdpvr_device_release, | |
1150 | .ioctl_ops = &hdpvr_ioctl_ops, | |
5854bf88 | 1151 | .tvnorms = V4L2_STD_ALL, |
9aba42ef JG |
1152 | }; |
1153 | ||
99c77aa4 HV |
1154 | static const struct v4l2_ctrl_ops hdpvr_ctrl_ops = { |
1155 | .try_ctrl = hdpvr_try_ctrl, | |
1156 | .s_ctrl = hdpvr_s_ctrl, | |
1157 | }; | |
1158 | ||
a50ab291 JG |
1159 | int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent, |
1160 | int devnum) | |
9aba42ef | 1161 | { |
99c77aa4 HV |
1162 | struct v4l2_ctrl_handler *hdl = &dev->hdl; |
1163 | bool ac3 = dev->flags & HDPVR_FLAG_AC3_CAP; | |
1164 | int res; | |
1165 | ||
8f69da95 HV |
1166 | dev->cur_std = V4L2_STD_525_60; |
1167 | dev->width = 720; | |
1168 | dev->height = 480; | |
3315c59a | 1169 | dev->cur_dv_timings = hdpvr_dv_timings[HDPVR_DEF_DV_TIMINGS_IDX]; |
99c77aa4 HV |
1170 | v4l2_ctrl_handler_init(hdl, 11); |
1171 | if (dev->fw_ver > 0x15) { | |
1172 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1173 | V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x80); | |
1174 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1175 | V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x40); | |
1176 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1177 | V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x40); | |
1178 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1179 | V4L2_CID_HUE, 0x0, 0x1e, 1, 0xf); | |
1180 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1181 | V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); | |
1182 | } else { | |
1183 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1184 | V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x86); | |
1185 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1186 | V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x80); | |
1187 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1188 | V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x80); | |
1189 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1190 | V4L2_CID_HUE, 0x0, 0xff, 1, 0x80); | |
1191 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1192 | V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); | |
1193 | } | |
1194 | ||
1195 | v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1196 | V4L2_CID_MPEG_STREAM_TYPE, | |
1197 | V4L2_MPEG_STREAM_TYPE_MPEG2_TS, | |
1198 | 0x1, V4L2_MPEG_STREAM_TYPE_MPEG2_TS); | |
1199 | v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1200 | V4L2_CID_MPEG_AUDIO_ENCODING, | |
1201 | ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 : V4L2_MPEG_AUDIO_ENCODING_AAC, | |
1202 | 0x7, V4L2_MPEG_AUDIO_ENCODING_AAC); | |
1203 | v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1204 | V4L2_CID_MPEG_VIDEO_ENCODING, | |
1205 | V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 0x3, | |
1206 | V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC); | |
1207 | ||
1208 | dev->video_mode = v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1209 | V4L2_CID_MPEG_VIDEO_BITRATE_MODE, | |
1210 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0, | |
1211 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); | |
1212 | ||
1213 | dev->video_bitrate = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1214 | V4L2_CID_MPEG_VIDEO_BITRATE, | |
1215 | 1000000, 13500000, 100000, 6500000); | |
1216 | dev->video_bitrate_peak = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1217 | V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, | |
1218 | 1100000, 20200000, 100000, 9000000); | |
1219 | dev->v4l2_dev.ctrl_handler = hdl; | |
1220 | if (hdl->error) { | |
1221 | res = hdl->error; | |
1222 | v4l2_err(&dev->v4l2_dev, "Could not register controls\n"); | |
1223 | goto error; | |
1224 | } | |
1225 | v4l2_ctrl_cluster(3, &dev->video_mode); | |
1226 | res = v4l2_ctrl_handler_setup(hdl); | |
1227 | if (res < 0) { | |
1228 | v4l2_err(&dev->v4l2_dev, "Could not setup controls\n"); | |
1229 | goto error; | |
1230 | } | |
1231 | ||
9aba42ef JG |
1232 | /* setup and register video device */ |
1233 | dev->video_dev = video_device_alloc(); | |
1234 | if (!dev->video_dev) { | |
9ef77adf | 1235 | v4l2_err(&dev->v4l2_dev, "video_device_alloc() failed\n"); |
99c77aa4 | 1236 | res = -ENOMEM; |
9aba42ef JG |
1237 | goto error; |
1238 | } | |
1239 | ||
ede197aa | 1240 | *dev->video_dev = hdpvr_video_template; |
9aba42ef | 1241 | strcpy(dev->video_dev->name, "Hauppauge HD PVR"); |
ede197aa | 1242 | dev->video_dev->v4l2_dev = &dev->v4l2_dev; |
9aba42ef | 1243 | video_set_drvdata(dev->video_dev, dev); |
65fe42d6 | 1244 | set_bit(V4L2_FL_USE_FH_PRIO, &dev->video_dev->flags); |
9aba42ef | 1245 | |
99c77aa4 HV |
1246 | res = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum); |
1247 | if (res < 0) { | |
9ef77adf | 1248 | v4l2_err(&dev->v4l2_dev, "video_device registration failed\n"); |
9aba42ef JG |
1249 | goto error; |
1250 | } | |
1251 | ||
1252 | return 0; | |
1253 | error: | |
99c77aa4 HV |
1254 | v4l2_ctrl_handler_free(hdl); |
1255 | return res; | |
9aba42ef | 1256 | } |