Commit | Line | Data |
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a10e763b | 1 | // SPDX-License-Identifier: GPL-2.0-only |
9aba42ef | 2 | /* |
e86da6f0 | 3 | * Hauppauge HD PVR USB driver - video 4 linux 2 interface |
9aba42ef JG |
4 | * |
5 | * Copyright (C) 2008 Janne Grunau (j@jannau.net) | |
9aba42ef JG |
6 | */ |
7 | ||
8 | #include <linux/kernel.h> | |
9 | #include <linux/errno.h> | |
10 | #include <linux/init.h> | |
11 | #include <linux/slab.h> | |
12 | #include <linux/module.h> | |
13 | #include <linux/uaccess.h> | |
14 | #include <linux/usb.h> | |
15 | #include <linux/mutex.h> | |
9aba42ef JG |
16 | #include <linux/workqueue.h> |
17 | ||
18 | #include <linux/videodev2.h> | |
3315c59a | 19 | #include <linux/v4l2-dv-timings.h> |
9aba42ef JG |
20 | #include <media/v4l2-dev.h> |
21 | #include <media/v4l2-common.h> | |
25764158 | 22 | #include <media/v4l2-dv-timings.h> |
9aba42ef | 23 | #include <media/v4l2-ioctl.h> |
65fe42d6 | 24 | #include <media/v4l2-event.h> |
9aba42ef JG |
25 | #include "hdpvr.h" |
26 | ||
39bcb3ae | 27 | #define BULK_URB_TIMEOUT 90 /* 0.09 seconds */ |
9aba42ef | 28 | |
9ef77adf JG |
29 | #define print_buffer_status() { \ |
30 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, \ | |
31 | "%s:%d buffer stat: %d free, %d proc\n", \ | |
32 | __func__, __LINE__, \ | |
33 | list_size(&dev->free_buff_list), \ | |
34 | list_size(&dev->rec_buff_list)); } | |
d211bfcb | 35 | |
3315c59a HV |
36 | static const struct v4l2_dv_timings hdpvr_dv_timings[] = { |
37 | V4L2_DV_BT_CEA_720X480I59_94, | |
38 | V4L2_DV_BT_CEA_720X576I50, | |
39 | V4L2_DV_BT_CEA_720X480P59_94, | |
40 | V4L2_DV_BT_CEA_720X576P50, | |
41 | V4L2_DV_BT_CEA_1280X720P50, | |
42 | V4L2_DV_BT_CEA_1280X720P60, | |
43 | V4L2_DV_BT_CEA_1920X1080I50, | |
44 | V4L2_DV_BT_CEA_1920X1080I60, | |
45 | }; | |
46 | ||
47 | /* Use 480i59 as the default timings */ | |
48 | #define HDPVR_DEF_DV_TIMINGS_IDX (0) | |
49 | ||
50 | struct hdpvr_fh { | |
51 | struct v4l2_fh fh; | |
52 | bool legacy_mode; | |
53 | }; | |
54 | ||
9aba42ef JG |
55 | static uint list_size(struct list_head *list) |
56 | { | |
57 | struct list_head *tmp; | |
58 | uint count = 0; | |
59 | ||
60 | list_for_each(tmp, list) { | |
61 | count++; | |
62 | } | |
63 | ||
64 | return count; | |
65 | } | |
66 | ||
67 | /*=========================================================================*/ | |
68 | /* urb callback */ | |
69 | static void hdpvr_read_bulk_callback(struct urb *urb) | |
70 | { | |
71 | struct hdpvr_buffer *buf = (struct hdpvr_buffer *)urb->context; | |
72 | struct hdpvr_device *dev = buf->dev; | |
73 | ||
74 | /* marking buffer as received and wake waiting */ | |
75 | buf->status = BUFSTAT_READY; | |
76 | wake_up_interruptible(&dev->wait_data); | |
77 | } | |
78 | ||
79 | /*=========================================================================*/ | |
3445857b | 80 | /* buffer bits */ |
9aba42ef JG |
81 | |
82 | /* function expects dev->io_mutex to be hold by caller */ | |
83 | int hdpvr_cancel_queue(struct hdpvr_device *dev) | |
84 | { | |
85 | struct hdpvr_buffer *buf; | |
86 | ||
87 | list_for_each_entry(buf, &dev->rec_buff_list, buff_list) { | |
88 | usb_kill_urb(buf->urb); | |
89 | buf->status = BUFSTAT_AVAILABLE; | |
90 | } | |
91 | ||
92 | list_splice_init(&dev->rec_buff_list, dev->free_buff_list.prev); | |
93 | ||
94 | return 0; | |
95 | } | |
96 | ||
97 | static int hdpvr_free_queue(struct list_head *q) | |
98 | { | |
99 | struct list_head *tmp; | |
100 | struct list_head *p; | |
101 | struct hdpvr_buffer *buf; | |
102 | struct urb *urb; | |
103 | ||
104 | for (p = q->next; p != q;) { | |
105 | buf = list_entry(p, struct hdpvr_buffer, buff_list); | |
106 | ||
107 | urb = buf->urb; | |
997ea58e DM |
108 | usb_free_coherent(urb->dev, urb->transfer_buffer_length, |
109 | urb->transfer_buffer, urb->transfer_dma); | |
9aba42ef JG |
110 | usb_free_urb(urb); |
111 | tmp = p->next; | |
112 | list_del(p); | |
113 | kfree(buf); | |
114 | p = tmp; | |
115 | } | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
120 | /* function expects dev->io_mutex to be hold by caller */ | |
121 | int hdpvr_free_buffers(struct hdpvr_device *dev) | |
122 | { | |
123 | hdpvr_cancel_queue(dev); | |
124 | ||
125 | hdpvr_free_queue(&dev->free_buff_list); | |
126 | hdpvr_free_queue(&dev->rec_buff_list); | |
127 | ||
128 | return 0; | |
129 | } | |
130 | ||
131 | /* function expects dev->io_mutex to be hold by caller */ | |
132 | int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count) | |
133 | { | |
134 | uint i; | |
135 | int retval = -ENOMEM; | |
136 | u8 *mem; | |
137 | struct hdpvr_buffer *buf; | |
138 | struct urb *urb; | |
139 | ||
9ef77adf | 140 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
9aba42ef JG |
141 | "allocating %u buffers\n", count); |
142 | ||
143 | for (i = 0; i < count; i++) { | |
144 | ||
145 | buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL); | |
146 | if (!buf) { | |
9ef77adf | 147 | v4l2_err(&dev->v4l2_dev, "cannot allocate buffer\n"); |
9aba42ef JG |
148 | goto exit; |
149 | } | |
150 | buf->dev = dev; | |
151 | ||
152 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
90831662 | 153 | if (!urb) |
cd0e280f | 154 | goto exit_urb; |
9aba42ef JG |
155 | buf->urb = urb; |
156 | ||
997ea58e DM |
157 | mem = usb_alloc_coherent(dev->udev, dev->bulk_in_size, GFP_KERNEL, |
158 | &urb->transfer_dma); | |
9aba42ef | 159 | if (!mem) { |
9ef77adf JG |
160 | v4l2_err(&dev->v4l2_dev, |
161 | "cannot allocate usb transfer buffer\n"); | |
cd0e280f | 162 | goto exit_urb_buffer; |
9aba42ef JG |
163 | } |
164 | ||
165 | usb_fill_bulk_urb(buf->urb, dev->udev, | |
166 | usb_rcvbulkpipe(dev->udev, | |
167 | dev->bulk_in_endpointAddr), | |
168 | mem, dev->bulk_in_size, | |
169 | hdpvr_read_bulk_callback, buf); | |
170 | ||
4f5c933a | 171 | buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; |
9aba42ef JG |
172 | buf->status = BUFSTAT_AVAILABLE; |
173 | list_add_tail(&buf->buff_list, &dev->free_buff_list); | |
174 | } | |
175 | return 0; | |
cd0e280f JL |
176 | exit_urb_buffer: |
177 | usb_free_urb(urb); | |
178 | exit_urb: | |
179 | kfree(buf); | |
9aba42ef JG |
180 | exit: |
181 | hdpvr_free_buffers(dev); | |
182 | return retval; | |
183 | } | |
184 | ||
185 | static int hdpvr_submit_buffers(struct hdpvr_device *dev) | |
186 | { | |
187 | struct hdpvr_buffer *buf; | |
188 | struct urb *urb; | |
189 | int ret = 0, err_count = 0; | |
190 | ||
191 | mutex_lock(&dev->io_mutex); | |
192 | ||
193 | while (dev->status == STATUS_STREAMING && | |
194 | !list_empty(&dev->free_buff_list)) { | |
195 | ||
196 | buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer, | |
197 | buff_list); | |
198 | if (buf->status != BUFSTAT_AVAILABLE) { | |
9ef77adf | 199 | v4l2_err(&dev->v4l2_dev, |
4b512d26 | 200 | "buffer not marked as available\n"); |
9aba42ef JG |
201 | ret = -EFAULT; |
202 | goto err; | |
203 | } | |
204 | ||
205 | urb = buf->urb; | |
206 | urb->status = 0; | |
207 | urb->actual_length = 0; | |
208 | ret = usb_submit_urb(urb, GFP_KERNEL); | |
209 | if (ret) { | |
9ef77adf JG |
210 | v4l2_err(&dev->v4l2_dev, |
211 | "usb_submit_urb in %s returned %d\n", | |
212 | __func__, ret); | |
9aba42ef JG |
213 | if (++err_count > 2) |
214 | break; | |
215 | continue; | |
216 | } | |
217 | buf->status = BUFSTAT_INPROGRESS; | |
218 | list_move_tail(&buf->buff_list, &dev->rec_buff_list); | |
219 | } | |
220 | err: | |
d211bfcb | 221 | print_buffer_status(); |
9aba42ef JG |
222 | mutex_unlock(&dev->io_mutex); |
223 | return ret; | |
224 | } | |
225 | ||
226 | static struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev) | |
227 | { | |
228 | struct hdpvr_buffer *buf; | |
229 | ||
230 | mutex_lock(&dev->io_mutex); | |
231 | ||
232 | if (list_empty(&dev->rec_buff_list)) { | |
233 | mutex_unlock(&dev->io_mutex); | |
234 | return NULL; | |
235 | } | |
236 | ||
237 | buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer, | |
238 | buff_list); | |
239 | mutex_unlock(&dev->io_mutex); | |
240 | ||
241 | return buf; | |
242 | } | |
243 | ||
244 | static void hdpvr_transmit_buffers(struct work_struct *work) | |
245 | { | |
246 | struct hdpvr_device *dev = container_of(work, struct hdpvr_device, | |
247 | worker); | |
248 | ||
249 | while (dev->status == STATUS_STREAMING) { | |
250 | ||
251 | if (hdpvr_submit_buffers(dev)) { | |
9ef77adf | 252 | v4l2_err(&dev->v4l2_dev, "couldn't submit buffers\n"); |
9aba42ef JG |
253 | goto error; |
254 | } | |
255 | if (wait_event_interruptible(dev->wait_buffer, | |
256 | !list_empty(&dev->free_buff_list) || | |
257 | dev->status != STATUS_STREAMING)) | |
258 | goto error; | |
259 | } | |
260 | ||
9ef77adf | 261 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
9aba42ef JG |
262 | "transmit worker exited\n"); |
263 | return; | |
264 | error: | |
9ef77adf | 265 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
9aba42ef JG |
266 | "transmit buffers errored\n"); |
267 | dev->status = STATUS_ERROR; | |
268 | } | |
269 | ||
270 | /* function expects dev->io_mutex to be hold by caller */ | |
271 | static int hdpvr_start_streaming(struct hdpvr_device *dev) | |
272 | { | |
273 | int ret; | |
4d601c4c | 274 | struct hdpvr_video_info vidinf; |
9aba42ef JG |
275 | |
276 | if (dev->status == STATUS_STREAMING) | |
277 | return 0; | |
79f10b62 | 278 | if (dev->status != STATUS_IDLE) |
9aba42ef JG |
279 | return -EAGAIN; |
280 | ||
4d601c4c | 281 | ret = get_video_info(dev, &vidinf); |
5f454d82 HV |
282 | if (ret < 0) |
283 | return ret; | |
284 | ||
285 | if (!vidinf.valid) { | |
79f10b62 HV |
286 | msleep(250); |
287 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, | |
288 | "no video signal at input %d\n", dev->options.video_input); | |
289 | return -EAGAIN; | |
290 | } | |
9aba42ef | 291 | |
79f10b62 HV |
292 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
293 | "video signal: %dx%d@%dhz\n", vidinf.width, | |
294 | vidinf.height, vidinf.fps); | |
9aba42ef | 295 | |
79f10b62 HV |
296 | /* start streaming 2 request */ |
297 | ret = usb_control_msg(dev->udev, | |
298 | usb_sndctrlpipe(dev->udev, 0), | |
299 | 0xb8, 0x38, 0x1, 0, NULL, 0, 8000); | |
300 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, | |
301 | "encoder start control request returned %d\n", ret); | |
302 | if (ret < 0) | |
303 | return ret; | |
9aba42ef | 304 | |
79f10b62 HV |
305 | ret = hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00); |
306 | if (ret) | |
307 | return ret; | |
9aba42ef | 308 | |
79f10b62 | 309 | dev->status = STATUS_STREAMING; |
afa15953 | 310 | |
79f10b62 | 311 | INIT_WORK(&dev->worker, hdpvr_transmit_buffers); |
5612e191 | 312 | schedule_work(&dev->worker); |
9aba42ef | 313 | |
79f10b62 HV |
314 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
315 | "streaming started\n"); | |
9aba42ef | 316 | |
79f10b62 | 317 | return 0; |
9aba42ef JG |
318 | } |
319 | ||
320 | ||
321 | /* function expects dev->io_mutex to be hold by caller */ | |
322 | static int hdpvr_stop_streaming(struct hdpvr_device *dev) | |
323 | { | |
85d682b9 MN |
324 | int actual_length; |
325 | uint c = 0; | |
7d771ff0 JG |
326 | u8 *buf; |
327 | ||
9aba42ef JG |
328 | if (dev->status == STATUS_IDLE) |
329 | return 0; | |
330 | else if (dev->status != STATUS_STREAMING) | |
331 | return -EAGAIN; | |
332 | ||
7d771ff0 JG |
333 | buf = kmalloc(dev->bulk_in_size, GFP_KERNEL); |
334 | if (!buf) | |
4d5ded75 | 335 | v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer for emptying the internal device buffer. Next capture start will be slow\n"); |
7d771ff0 | 336 | |
9aba42ef JG |
337 | dev->status = STATUS_SHUTTING_DOWN; |
338 | hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00); | |
48f98f75 | 339 | mutex_unlock(&dev->io_mutex); |
9aba42ef JG |
340 | |
341 | wake_up_interruptible(&dev->wait_buffer); | |
342 | msleep(50); | |
343 | ||
5612e191 | 344 | flush_work(&dev->worker); |
9aba42ef | 345 | |
48f98f75 | 346 | mutex_lock(&dev->io_mutex); |
9aba42ef JG |
347 | /* kill the still outstanding urbs */ |
348 | hdpvr_cancel_queue(dev); | |
349 | ||
7d771ff0 JG |
350 | /* emptying the device buffer beforeshutting it down */ |
351 | while (buf && ++c < 500 && | |
352 | !usb_bulk_msg(dev->udev, | |
353 | usb_rcvbulkpipe(dev->udev, | |
354 | dev->bulk_in_endpointAddr), | |
355 | buf, dev->bulk_in_size, &actual_length, | |
356 | BULK_URB_TIMEOUT)) { | |
7d771ff0 JG |
357 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
358 | "%2d: got %d bytes\n", c, actual_length); | |
359 | } | |
360 | kfree(buf); | |
361 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, | |
362 | "used %d urbs to empty device buffers\n", c-1); | |
363 | msleep(10); | |
364 | ||
9aba42ef JG |
365 | dev->status = STATUS_IDLE; |
366 | ||
367 | return 0; | |
368 | } | |
369 | ||
370 | ||
371 | /*=======================================================================*/ | |
372 | /* | |
373 | * video 4 linux 2 file operations | |
374 | */ | |
375 | ||
3315c59a HV |
376 | static int hdpvr_open(struct file *file) |
377 | { | |
378 | struct hdpvr_fh *fh = kzalloc(sizeof(*fh), GFP_KERNEL); | |
379 | ||
380 | if (fh == NULL) | |
381 | return -ENOMEM; | |
382 | fh->legacy_mode = true; | |
383 | v4l2_fh_init(&fh->fh, video_devdata(file)); | |
384 | v4l2_fh_add(&fh->fh); | |
385 | file->private_data = fh; | |
386 | return 0; | |
387 | } | |
388 | ||
9aba42ef JG |
389 | static int hdpvr_release(struct file *file) |
390 | { | |
ede197aa | 391 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef | 392 | |
9aba42ef | 393 | mutex_lock(&dev->io_mutex); |
ede197aa | 394 | if (file->private_data == dev->owner) { |
9aba42ef | 395 | hdpvr_stop_streaming(dev); |
ede197aa HV |
396 | dev->owner = NULL; |
397 | } | |
9aba42ef JG |
398 | mutex_unlock(&dev->io_mutex); |
399 | ||
ede197aa | 400 | return v4l2_fh_release(file); |
9aba42ef JG |
401 | } |
402 | ||
403 | /* | |
404 | * hdpvr_v4l2_read() | |
405 | * will allocate buffers when called for the first time | |
406 | */ | |
407 | static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, | |
408 | loff_t *pos) | |
409 | { | |
ede197aa | 410 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
411 | struct hdpvr_buffer *buf = NULL; |
412 | struct urb *urb; | |
413 | unsigned int ret = 0; | |
414 | int rem, cnt; | |
415 | ||
416 | if (*pos) | |
417 | return -ESPIPE; | |
418 | ||
9aba42ef JG |
419 | mutex_lock(&dev->io_mutex); |
420 | if (dev->status == STATUS_IDLE) { | |
421 | if (hdpvr_start_streaming(dev)) { | |
9ef77adf JG |
422 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
423 | "start_streaming failed\n"); | |
9aba42ef JG |
424 | ret = -EIO; |
425 | msleep(200); | |
426 | dev->status = STATUS_IDLE; | |
427 | mutex_unlock(&dev->io_mutex); | |
428 | goto err; | |
429 | } | |
ede197aa | 430 | dev->owner = file->private_data; |
d211bfcb | 431 | print_buffer_status(); |
9aba42ef JG |
432 | } |
433 | mutex_unlock(&dev->io_mutex); | |
434 | ||
435 | /* wait for the first buffer */ | |
436 | if (!(file->f_flags & O_NONBLOCK)) { | |
437 | if (wait_event_interruptible(dev->wait_data, | |
438 | hdpvr_get_next_buffer(dev))) | |
439 | return -ERESTARTSYS; | |
440 | } | |
441 | ||
442 | buf = hdpvr_get_next_buffer(dev); | |
443 | ||
444 | while (count > 0 && buf) { | |
445 | ||
446 | if (buf->status != BUFSTAT_READY && | |
447 | dev->status != STATUS_DISCONNECTED) { | |
a503ff81 | 448 | int err; |
9aba42ef JG |
449 | /* return nonblocking */ |
450 | if (file->f_flags & O_NONBLOCK) { | |
451 | if (!ret) | |
452 | ret = -EAGAIN; | |
453 | goto err; | |
454 | } | |
455 | ||
a503ff81 JS |
456 | err = wait_event_interruptible_timeout(dev->wait_data, |
457 | buf->status == BUFSTAT_READY, | |
458 | msecs_to_jiffies(1000)); | |
459 | if (err < 0) { | |
460 | ret = err; | |
461 | goto err; | |
462 | } | |
463 | if (!err) { | |
464 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, | |
465 | "timeout: restart streaming\n"); | |
466 | hdpvr_stop_streaming(dev); | |
467 | msecs_to_jiffies(4000); | |
468 | err = hdpvr_start_streaming(dev); | |
469 | if (err) { | |
470 | ret = err; | |
471 | goto err; | |
472 | } | |
473 | } | |
9aba42ef JG |
474 | } |
475 | ||
476 | if (buf->status != BUFSTAT_READY) | |
477 | break; | |
478 | ||
479 | /* set remaining bytes to copy */ | |
480 | urb = buf->urb; | |
481 | rem = urb->actual_length - buf->pos; | |
482 | cnt = rem > count ? count : rem; | |
483 | ||
484 | if (copy_to_user(buffer, urb->transfer_buffer + buf->pos, | |
485 | cnt)) { | |
9ef77adf | 486 | v4l2_err(&dev->v4l2_dev, "read: copy_to_user failed\n"); |
9aba42ef JG |
487 | if (!ret) |
488 | ret = -EFAULT; | |
489 | goto err; | |
490 | } | |
491 | ||
492 | buf->pos += cnt; | |
493 | count -= cnt; | |
494 | buffer += cnt; | |
495 | ret += cnt; | |
496 | ||
497 | /* finished, take next buffer */ | |
498 | if (buf->pos == urb->actual_length) { | |
499 | mutex_lock(&dev->io_mutex); | |
500 | buf->pos = 0; | |
501 | buf->status = BUFSTAT_AVAILABLE; | |
502 | ||
503 | list_move_tail(&buf->buff_list, &dev->free_buff_list); | |
504 | ||
d211bfcb | 505 | print_buffer_status(); |
9aba42ef JG |
506 | |
507 | mutex_unlock(&dev->io_mutex); | |
508 | ||
509 | wake_up_interruptible(&dev->wait_buffer); | |
510 | ||
511 | buf = hdpvr_get_next_buffer(dev); | |
512 | } | |
513 | } | |
514 | err: | |
515 | if (!ret && !buf) | |
516 | ret = -EAGAIN; | |
517 | return ret; | |
518 | } | |
519 | ||
c23e0cb8 | 520 | static __poll_t hdpvr_poll(struct file *filp, poll_table *wait) |
9aba42ef | 521 | { |
01699437 | 522 | __poll_t req_events = poll_requested_events(wait); |
d2ff3ec8 | 523 | struct hdpvr_buffer *buf = NULL; |
ede197aa | 524 | struct hdpvr_device *dev = video_drvdata(filp); |
c23e0cb8 | 525 | __poll_t mask = v4l2_ctrl_poll(filp, wait); |
9aba42ef | 526 | |
a9a08845 | 527 | if (!(req_events & (EPOLLIN | EPOLLRDNORM))) |
65fe42d6 | 528 | return mask; |
9aba42ef | 529 | |
65fe42d6 | 530 | mutex_lock(&dev->io_mutex); |
9aba42ef JG |
531 | |
532 | if (dev->status == STATUS_IDLE) { | |
533 | if (hdpvr_start_streaming(dev)) { | |
9ef77adf JG |
534 | v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, |
535 | "start_streaming failed\n"); | |
9aba42ef | 536 | dev->status = STATUS_IDLE; |
ede197aa HV |
537 | } else { |
538 | dev->owner = filp->private_data; | |
9aba42ef JG |
539 | } |
540 | ||
d211bfcb | 541 | print_buffer_status(); |
9aba42ef JG |
542 | } |
543 | mutex_unlock(&dev->io_mutex); | |
544 | ||
d2ff3ec8 JG |
545 | buf = hdpvr_get_next_buffer(dev); |
546 | /* only wait if no data is available */ | |
547 | if (!buf || buf->status != BUFSTAT_READY) { | |
548 | poll_wait(filp, &dev->wait_data, wait); | |
549 | buf = hdpvr_get_next_buffer(dev); | |
9aba42ef | 550 | } |
d2ff3ec8 | 551 | if (buf && buf->status == BUFSTAT_READY) |
a9a08845 | 552 | mask |= EPOLLIN | EPOLLRDNORM; |
9aba42ef JG |
553 | |
554 | return mask; | |
555 | } | |
556 | ||
557 | ||
9aba42ef JG |
558 | static const struct v4l2_file_operations hdpvr_fops = { |
559 | .owner = THIS_MODULE, | |
3315c59a | 560 | .open = hdpvr_open, |
9aba42ef JG |
561 | .release = hdpvr_release, |
562 | .read = hdpvr_read, | |
563 | .poll = hdpvr_poll, | |
76717b88 | 564 | .unlocked_ioctl = video_ioctl2, |
9aba42ef JG |
565 | }; |
566 | ||
567 | /*=======================================================================*/ | |
568 | /* | |
569 | * V4L2 ioctl handling | |
570 | */ | |
571 | ||
572 | static int vidioc_querycap(struct file *file, void *priv, | |
573 | struct v4l2_capability *cap) | |
574 | { | |
575 | struct hdpvr_device *dev = video_drvdata(file); | |
576 | ||
cc1e6315 MCC |
577 | strscpy(cap->driver, "hdpvr", sizeof(cap->driver)); |
578 | strscpy(cap->card, "Hauppauge HD PVR", sizeof(cap->card)); | |
9aba42ef | 579 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
41022fcb HV |
580 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO | |
581 | V4L2_CAP_READWRITE; | |
582 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
9aba42ef JG |
583 | return 0; |
584 | } | |
585 | ||
5854bf88 | 586 | static int vidioc_s_std(struct file *file, void *_fh, |
314527ac | 587 | v4l2_std_id std) |
9aba42ef | 588 | { |
ede197aa | 589 | struct hdpvr_device *dev = video_drvdata(file); |
5854bf88 | 590 | struct hdpvr_fh *fh = _fh; |
9aba42ef JG |
591 | u8 std_type = 1; |
592 | ||
5854bf88 | 593 | if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) |
8f69da95 HV |
594 | return -ENODATA; |
595 | if (dev->status != STATUS_IDLE) | |
596 | return -EBUSY; | |
597 | if (std & V4L2_STD_525_60) | |
9aba42ef | 598 | std_type = 0; |
8f69da95 HV |
599 | dev->cur_std = std; |
600 | dev->width = 720; | |
601 | dev->height = std_type ? 576 : 480; | |
9aba42ef JG |
602 | |
603 | return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type); | |
604 | } | |
605 | ||
5854bf88 | 606 | static int vidioc_g_std(struct file *file, void *_fh, |
8f69da95 HV |
607 | v4l2_std_id *std) |
608 | { | |
609 | struct hdpvr_device *dev = video_drvdata(file); | |
5854bf88 | 610 | struct hdpvr_fh *fh = _fh; |
8f69da95 | 611 | |
5854bf88 | 612 | if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) |
8f69da95 HV |
613 | return -ENODATA; |
614 | *std = dev->cur_std; | |
615 | return 0; | |
616 | } | |
617 | ||
5854bf88 | 618 | static int vidioc_querystd(struct file *file, void *_fh, v4l2_std_id *a) |
8f69da95 HV |
619 | { |
620 | struct hdpvr_device *dev = video_drvdata(file); | |
4d601c4c | 621 | struct hdpvr_video_info vid_info; |
5854bf88 | 622 | struct hdpvr_fh *fh = _fh; |
4d601c4c | 623 | int ret; |
8f69da95 | 624 | |
ab6e134a | 625 | *a = V4L2_STD_UNKNOWN; |
5854bf88 HV |
626 | if (dev->options.video_input == HDPVR_COMPONENT) |
627 | return fh->legacy_mode ? 0 : -ENODATA; | |
4d601c4c | 628 | ret = get_video_info(dev, &vid_info); |
5f454d82 | 629 | if (vid_info.valid && vid_info.width == 720 && |
4d601c4c LK |
630 | (vid_info.height == 480 || vid_info.height == 576)) { |
631 | *a = (vid_info.height == 480) ? | |
8f69da95 HV |
632 | V4L2_STD_525_60 : V4L2_STD_625_50; |
633 | } | |
5f454d82 | 634 | return ret; |
8f69da95 HV |
635 | } |
636 | ||
3315c59a HV |
637 | static int vidioc_s_dv_timings(struct file *file, void *_fh, |
638 | struct v4l2_dv_timings *timings) | |
639 | { | |
640 | struct hdpvr_device *dev = video_drvdata(file); | |
641 | struct hdpvr_fh *fh = _fh; | |
642 | int i; | |
643 | ||
644 | fh->legacy_mode = false; | |
645 | if (dev->options.video_input) | |
646 | return -ENODATA; | |
647 | if (dev->status != STATUS_IDLE) | |
648 | return -EBUSY; | |
649 | for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) | |
85f9e06c | 650 | if (v4l2_match_dv_timings(timings, hdpvr_dv_timings + i, 0, false)) |
3315c59a HV |
651 | break; |
652 | if (i == ARRAY_SIZE(hdpvr_dv_timings)) | |
653 | return -EINVAL; | |
654 | dev->cur_dv_timings = hdpvr_dv_timings[i]; | |
655 | dev->width = hdpvr_dv_timings[i].bt.width; | |
656 | dev->height = hdpvr_dv_timings[i].bt.height; | |
657 | return 0; | |
658 | } | |
659 | ||
660 | static int vidioc_g_dv_timings(struct file *file, void *_fh, | |
661 | struct v4l2_dv_timings *timings) | |
662 | { | |
663 | struct hdpvr_device *dev = video_drvdata(file); | |
664 | struct hdpvr_fh *fh = _fh; | |
665 | ||
666 | fh->legacy_mode = false; | |
667 | if (dev->options.video_input) | |
668 | return -ENODATA; | |
669 | *timings = dev->cur_dv_timings; | |
670 | return 0; | |
671 | } | |
672 | ||
673 | static int vidioc_query_dv_timings(struct file *file, void *_fh, | |
674 | struct v4l2_dv_timings *timings) | |
675 | { | |
676 | struct hdpvr_device *dev = video_drvdata(file); | |
677 | struct hdpvr_fh *fh = _fh; | |
4d601c4c | 678 | struct hdpvr_video_info vid_info; |
3315c59a HV |
679 | bool interlaced; |
680 | int ret = 0; | |
681 | int i; | |
682 | ||
683 | fh->legacy_mode = false; | |
684 | if (dev->options.video_input) | |
685 | return -ENODATA; | |
4d601c4c LK |
686 | ret = get_video_info(dev, &vid_info); |
687 | if (ret) | |
5f454d82 HV |
688 | return ret; |
689 | if (!vid_info.valid) | |
3315c59a | 690 | return -ENOLCK; |
4d601c4c | 691 | interlaced = vid_info.fps <= 30; |
3315c59a HV |
692 | for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) { |
693 | const struct v4l2_bt_timings *bt = &hdpvr_dv_timings[i].bt; | |
694 | unsigned hsize; | |
695 | unsigned vsize; | |
696 | unsigned fps; | |
697 | ||
eacf8f9a HV |
698 | hsize = V4L2_DV_BT_FRAME_WIDTH(bt); |
699 | vsize = V4L2_DV_BT_FRAME_HEIGHT(bt); | |
3315c59a | 700 | fps = (unsigned)bt->pixelclock / (hsize * vsize); |
4d601c4c LK |
701 | if (bt->width != vid_info.width || |
702 | bt->height != vid_info.height || | |
3315c59a | 703 | bt->interlaced != interlaced || |
4d601c4c | 704 | (fps != vid_info.fps && fps + 1 != vid_info.fps)) |
3315c59a HV |
705 | continue; |
706 | *timings = hdpvr_dv_timings[i]; | |
707 | break; | |
708 | } | |
709 | if (i == ARRAY_SIZE(hdpvr_dv_timings)) | |
710 | ret = -ERANGE; | |
4d601c4c | 711 | |
3315c59a HV |
712 | return ret; |
713 | } | |
714 | ||
715 | static int vidioc_enum_dv_timings(struct file *file, void *_fh, | |
716 | struct v4l2_enum_dv_timings *timings) | |
717 | { | |
718 | struct hdpvr_device *dev = video_drvdata(file); | |
719 | struct hdpvr_fh *fh = _fh; | |
720 | ||
721 | fh->legacy_mode = false; | |
722 | memset(timings->reserved, 0, sizeof(timings->reserved)); | |
723 | if (dev->options.video_input) | |
724 | return -ENODATA; | |
725 | if (timings->index >= ARRAY_SIZE(hdpvr_dv_timings)) | |
726 | return -EINVAL; | |
727 | timings->timings = hdpvr_dv_timings[timings->index]; | |
728 | return 0; | |
729 | } | |
730 | ||
731 | static int vidioc_dv_timings_cap(struct file *file, void *_fh, | |
732 | struct v4l2_dv_timings_cap *cap) | |
733 | { | |
734 | struct hdpvr_device *dev = video_drvdata(file); | |
735 | struct hdpvr_fh *fh = _fh; | |
736 | ||
737 | fh->legacy_mode = false; | |
738 | if (dev->options.video_input) | |
739 | return -ENODATA; | |
740 | cap->type = V4L2_DV_BT_656_1120; | |
741 | cap->bt.min_width = 720; | |
742 | cap->bt.max_width = 1920; | |
743 | cap->bt.min_height = 480; | |
744 | cap->bt.max_height = 1080; | |
745 | cap->bt.min_pixelclock = 27000000; | |
746 | cap->bt.max_pixelclock = 74250000; | |
747 | cap->bt.standards = V4L2_DV_BT_STD_CEA861; | |
748 | cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED | V4L2_DV_BT_CAP_PROGRESSIVE; | |
749 | return 0; | |
750 | } | |
751 | ||
9aba42ef JG |
752 | static const char *iname[] = { |
753 | [HDPVR_COMPONENT] = "Component", | |
754 | [HDPVR_SVIDEO] = "S-Video", | |
755 | [HDPVR_COMPOSITE] = "Composite", | |
756 | }; | |
757 | ||
5854bf88 | 758 | static int vidioc_enum_input(struct file *file, void *_fh, struct v4l2_input *i) |
9aba42ef | 759 | { |
9aba42ef JG |
760 | unsigned int n; |
761 | ||
762 | n = i->index; | |
763 | if (n >= HDPVR_VIDEO_INPUTS) | |
764 | return -EINVAL; | |
765 | ||
766 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
767 | ||
85709cbf | 768 | strscpy(i->name, iname[n], sizeof(i->name)); |
9aba42ef JG |
769 | |
770 | i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF; | |
771 | ||
8f69da95 HV |
772 | i->capabilities = n ? V4L2_IN_CAP_STD : V4L2_IN_CAP_DV_TIMINGS; |
773 | i->std = n ? V4L2_STD_ALL : 0; | |
9aba42ef JG |
774 | |
775 | return 0; | |
776 | } | |
777 | ||
5854bf88 | 778 | static int vidioc_s_input(struct file *file, void *_fh, |
9aba42ef JG |
779 | unsigned int index) |
780 | { | |
ede197aa | 781 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
782 | int retval; |
783 | ||
784 | if (index >= HDPVR_VIDEO_INPUTS) | |
785 | return -EINVAL; | |
786 | ||
787 | if (dev->status != STATUS_IDLE) | |
97caa318 | 788 | return -EBUSY; |
9aba42ef JG |
789 | |
790 | retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1); | |
8f69da95 | 791 | if (!retval) { |
9aba42ef | 792 | dev->options.video_input = index; |
5854bf88 HV |
793 | /* |
794 | * Unfortunately gstreamer calls ENUMSTD and bails out if it | |
795 | * won't find any formats, even though component input is | |
796 | * selected. This means that we have to leave tvnorms at | |
797 | * V4L2_STD_ALL. We cannot use the 'legacy' trick since | |
798 | * tvnorms is set at the device node level and not at the | |
799 | * filehandle level. | |
800 | * | |
801 | * Comment this out for now, but if the legacy mode can be | |
802 | * removed in the future, then this code should be enabled | |
803 | * again. | |
4b30409b | 804 | dev->video_dev.tvnorms = |
5854bf88 HV |
805 | (index != HDPVR_COMPONENT) ? V4L2_STD_ALL : 0; |
806 | */ | |
8f69da95 | 807 | } |
9aba42ef JG |
808 | |
809 | return retval; | |
810 | } | |
811 | ||
812 | static int vidioc_g_input(struct file *file, void *private_data, | |
813 | unsigned int *index) | |
814 | { | |
ede197aa | 815 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
816 | |
817 | *index = dev->options.video_input; | |
818 | return 0; | |
819 | } | |
820 | ||
821 | ||
822 | static const char *audio_iname[] = { | |
823 | [HDPVR_RCA_FRONT] = "RCA front", | |
824 | [HDPVR_RCA_BACK] = "RCA back", | |
825 | [HDPVR_SPDIF] = "SPDIF", | |
826 | }; | |
827 | ||
828 | static int vidioc_enumaudio(struct file *file, void *priv, | |
829 | struct v4l2_audio *audio) | |
830 | { | |
831 | unsigned int n; | |
832 | ||
833 | n = audio->index; | |
834 | if (n >= HDPVR_AUDIO_INPUTS) | |
835 | return -EINVAL; | |
836 | ||
837 | audio->capability = V4L2_AUDCAP_STEREO; | |
838 | ||
85709cbf | 839 | strscpy(audio->name, audio_iname[n], sizeof(audio->name)); |
9aba42ef JG |
840 | |
841 | return 0; | |
842 | } | |
843 | ||
844 | static int vidioc_s_audio(struct file *file, void *private_data, | |
0e8025b9 | 845 | const struct v4l2_audio *audio) |
9aba42ef | 846 | { |
ede197aa | 847 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
848 | int retval; |
849 | ||
850 | if (audio->index >= HDPVR_AUDIO_INPUTS) | |
851 | return -EINVAL; | |
852 | ||
853 | if (dev->status != STATUS_IDLE) | |
97caa318 | 854 | return -EBUSY; |
9aba42ef JG |
855 | |
856 | retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec); | |
857 | if (!retval) | |
858 | dev->options.audio_input = audio->index; | |
859 | ||
860 | return retval; | |
861 | } | |
862 | ||
863 | static int vidioc_g_audio(struct file *file, void *private_data, | |
864 | struct v4l2_audio *audio) | |
865 | { | |
ede197aa | 866 | struct hdpvr_device *dev = video_drvdata(file); |
9aba42ef JG |
867 | |
868 | audio->index = dev->options.audio_input; | |
869 | audio->capability = V4L2_AUDCAP_STEREO; | |
c0decac1 | 870 | strscpy(audio->name, audio_iname[audio->index], sizeof(audio->name)); |
9aba42ef JG |
871 | return 0; |
872 | } | |
873 | ||
99c77aa4 | 874 | static int hdpvr_try_ctrl(struct v4l2_ctrl *ctrl) |
9aba42ef | 875 | { |
99c77aa4 HV |
876 | struct hdpvr_device *dev = |
877 | container_of(ctrl->handler, struct hdpvr_device, hdl); | |
9aba42ef JG |
878 | |
879 | switch (ctrl->id) { | |
99c77aa4 HV |
880 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: |
881 | if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && | |
882 | dev->video_bitrate->val >= dev->video_bitrate_peak->val) | |
883 | dev->video_bitrate_peak->val = | |
884 | dev->video_bitrate->val + 100000; | |
9aba42ef | 885 | break; |
9aba42ef JG |
886 | } |
887 | return 0; | |
888 | } | |
889 | ||
99c77aa4 | 890 | static int hdpvr_s_ctrl(struct v4l2_ctrl *ctrl) |
9aba42ef | 891 | { |
99c77aa4 HV |
892 | struct hdpvr_device *dev = |
893 | container_of(ctrl->handler, struct hdpvr_device, hdl); | |
894 | struct hdpvr_options *opt = &dev->options; | |
895 | int ret = -EINVAL; | |
9aba42ef JG |
896 | |
897 | switch (ctrl->id) { | |
898 | case V4L2_CID_BRIGHTNESS: | |
99c77aa4 HV |
899 | ret = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->val); |
900 | if (ret) | |
901 | break; | |
902 | dev->options.brightness = ctrl->val; | |
903 | return 0; | |
9aba42ef | 904 | case V4L2_CID_CONTRAST: |
99c77aa4 HV |
905 | ret = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->val); |
906 | if (ret) | |
907 | break; | |
908 | dev->options.contrast = ctrl->val; | |
909 | return 0; | |
9aba42ef | 910 | case V4L2_CID_SATURATION: |
99c77aa4 HV |
911 | ret = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->val); |
912 | if (ret) | |
913 | break; | |
914 | dev->options.saturation = ctrl->val; | |
915 | return 0; | |
9aba42ef | 916 | case V4L2_CID_HUE: |
99c77aa4 HV |
917 | ret = hdpvr_config_call(dev, CTRL_HUE, ctrl->val); |
918 | if (ret) | |
919 | break; | |
920 | dev->options.hue = ctrl->val; | |
921 | return 0; | |
9aba42ef | 922 | case V4L2_CID_SHARPNESS: |
99c77aa4 HV |
923 | ret = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->val); |
924 | if (ret) | |
925 | break; | |
926 | dev->options.sharpness = ctrl->val; | |
927 | return 0; | |
9aba42ef JG |
928 | case V4L2_CID_MPEG_AUDIO_ENCODING: |
929 | if (dev->flags & HDPVR_FLAG_AC3_CAP) { | |
99c77aa4 | 930 | opt->audio_codec = ctrl->val; |
3445857b | 931 | return hdpvr_set_audio(dev, opt->audio_input + 1, |
9aba42ef JG |
932 | opt->audio_codec); |
933 | } | |
99c77aa4 | 934 | return 0; |
9aba42ef | 935 | case V4L2_CID_MPEG_VIDEO_ENCODING: |
99c77aa4 | 936 | return 0; |
6e6a8b5a MCC |
937 | /* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ |
938 | /* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */ | |
939 | /* opt->gop_mode |= 0x2; */ | |
940 | /* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ | |
941 | /* opt->gop_mode); */ | |
942 | /* } */ | |
943 | /* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */ | |
944 | /* opt->gop_mode &= ~0x2; */ | |
945 | /* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ | |
946 | /* opt->gop_mode); */ | |
947 | /* } */ | |
948 | /* break; */ | |
99c77aa4 HV |
949 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: { |
950 | uint peak_bitrate = dev->video_bitrate_peak->val / 100000; | |
951 | uint bitrate = dev->video_bitrate->val / 100000; | |
952 | ||
953 | if (ctrl->is_new) { | |
954 | if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) | |
955 | opt->bitrate_mode = HDPVR_CONSTANT; | |
956 | else | |
957 | opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE; | |
9aba42ef JG |
958 | hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, |
959 | opt->bitrate_mode); | |
99c77aa4 HV |
960 | v4l2_ctrl_activate(dev->video_bitrate_peak, |
961 | ctrl->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); | |
9aba42ef | 962 | } |
9aba42ef | 963 | |
99c77aa4 HV |
964 | if (dev->video_bitrate_peak->is_new || |
965 | dev->video_bitrate->is_new) { | |
966 | opt->bitrate = bitrate; | |
9aba42ef JG |
967 | opt->peak_bitrate = peak_bitrate; |
968 | hdpvr_set_bitrate(dev); | |
99c77aa4 HV |
969 | } |
970 | return 0; | |
9aba42ef JG |
971 | } |
972 | case V4L2_CID_MPEG_STREAM_TYPE: | |
99c77aa4 | 973 | return 0; |
9aba42ef | 974 | default: |
99c77aa4 | 975 | break; |
9aba42ef JG |
976 | } |
977 | return ret; | |
978 | } | |
979 | ||
9aba42ef JG |
980 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data, |
981 | struct v4l2_fmtdesc *f) | |
982 | { | |
97caa318 | 983 | if (f->index != 0) |
9aba42ef JG |
984 | return -EINVAL; |
985 | ||
986 | f->flags = V4L2_FMT_FLAG_COMPRESSED; | |
85709cbf MCC |
987 | strscpy(f->description, "MPEG2-TS with AVC/AAC streams", |
988 | sizeof(f->description)); | |
9aba42ef JG |
989 | f->pixelformat = V4L2_PIX_FMT_MPEG; |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
3315c59a | 994 | static int vidioc_g_fmt_vid_cap(struct file *file, void *_fh, |
9aba42ef JG |
995 | struct v4l2_format *f) |
996 | { | |
ede197aa | 997 | struct hdpvr_device *dev = video_drvdata(file); |
3315c59a | 998 | struct hdpvr_fh *fh = _fh; |
4d601c4c | 999 | int ret; |
3315c59a HV |
1000 | |
1001 | /* | |
1002 | * The original driver would always returns the current detected | |
1003 | * resolution as the format (and EFAULT if it couldn't be detected). | |
1004 | * With the introduction of VIDIOC_QUERY_DV_TIMINGS there is now a | |
1005 | * better way of doing this, but to stay compatible with existing | |
1006 | * applications we assume legacy mode every time an application opens | |
1007 | * the device. Only if one of the new DV_TIMINGS ioctls is called | |
1008 | * will the filehandle go into 'normal' mode where g_fmt returns the | |
1009 | * last set format. | |
1010 | */ | |
1011 | if (fh->legacy_mode) { | |
4d601c4c | 1012 | struct hdpvr_video_info vid_info; |
3315c59a | 1013 | |
4d601c4c | 1014 | ret = get_video_info(dev, &vid_info); |
5f454d82 HV |
1015 | if (ret < 0) |
1016 | return ret; | |
1017 | if (!vid_info.valid) | |
3315c59a | 1018 | return -EFAULT; |
4d601c4c LK |
1019 | f->fmt.pix.width = vid_info.width; |
1020 | f->fmt.pix.height = vid_info.height; | |
3315c59a HV |
1021 | } else { |
1022 | f->fmt.pix.width = dev->width; | |
1023 | f->fmt.pix.height = dev->height; | |
1024 | } | |
9aba42ef | 1025 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
9aba42ef | 1026 | f->fmt.pix.sizeimage = dev->bulk_in_size; |
9aba42ef | 1027 | f->fmt.pix.bytesperline = 0; |
3315c59a HV |
1028 | if (f->fmt.pix.width == 720) { |
1029 | /* SDTV formats */ | |
1030 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1031 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1032 | } else { | |
1033 | /* HDTV formats */ | |
93e6a855 | 1034 | f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709; |
3315c59a HV |
1035 | f->fmt.pix.field = V4L2_FIELD_NONE; |
1036 | } | |
9aba42ef JG |
1037 | return 0; |
1038 | } | |
1039 | ||
76717b88 JG |
1040 | static int vidioc_encoder_cmd(struct file *filp, void *priv, |
1041 | struct v4l2_encoder_cmd *a) | |
1042 | { | |
ede197aa HV |
1043 | struct hdpvr_device *dev = video_drvdata(filp); |
1044 | int res = 0; | |
76717b88 JG |
1045 | |
1046 | mutex_lock(&dev->io_mutex); | |
ede197aa | 1047 | a->flags = 0; |
76717b88 | 1048 | |
76717b88 JG |
1049 | switch (a->cmd) { |
1050 | case V4L2_ENC_CMD_START: | |
ede197aa HV |
1051 | if (dev->owner && filp->private_data != dev->owner) { |
1052 | res = -EBUSY; | |
1053 | break; | |
1054 | } | |
1055 | if (dev->status == STATUS_STREAMING) | |
1056 | break; | |
76717b88 | 1057 | res = hdpvr_start_streaming(dev); |
ede197aa HV |
1058 | if (!res) |
1059 | dev->owner = filp->private_data; | |
1060 | else | |
1061 | dev->status = STATUS_IDLE; | |
76717b88 JG |
1062 | break; |
1063 | case V4L2_ENC_CMD_STOP: | |
ede197aa HV |
1064 | if (dev->owner && filp->private_data != dev->owner) { |
1065 | res = -EBUSY; | |
1066 | break; | |
1067 | } | |
1068 | if (dev->status == STATUS_IDLE) | |
1069 | break; | |
76717b88 | 1070 | res = hdpvr_stop_streaming(dev); |
ede197aa HV |
1071 | if (!res) |
1072 | dev->owner = NULL; | |
76717b88 JG |
1073 | break; |
1074 | default: | |
9ef77adf | 1075 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
76717b88 | 1076 | "Unsupported encoder cmd %d\n", a->cmd); |
48f98f75 | 1077 | res = -EINVAL; |
ede197aa | 1078 | break; |
76717b88 | 1079 | } |
ede197aa | 1080 | |
76717b88 JG |
1081 | mutex_unlock(&dev->io_mutex); |
1082 | return res; | |
1083 | } | |
1084 | ||
1085 | static int vidioc_try_encoder_cmd(struct file *filp, void *priv, | |
1086 | struct v4l2_encoder_cmd *a) | |
1087 | { | |
ede197aa | 1088 | a->flags = 0; |
76717b88 JG |
1089 | switch (a->cmd) { |
1090 | case V4L2_ENC_CMD_START: | |
1091 | case V4L2_ENC_CMD_STOP: | |
1092 | return 0; | |
1093 | default: | |
1094 | return -EINVAL; | |
1095 | } | |
1096 | } | |
9aba42ef JG |
1097 | |
1098 | static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = { | |
1099 | .vidioc_querycap = vidioc_querycap, | |
1100 | .vidioc_s_std = vidioc_s_std, | |
8f69da95 HV |
1101 | .vidioc_g_std = vidioc_g_std, |
1102 | .vidioc_querystd = vidioc_querystd, | |
3315c59a HV |
1103 | .vidioc_s_dv_timings = vidioc_s_dv_timings, |
1104 | .vidioc_g_dv_timings = vidioc_g_dv_timings, | |
1105 | .vidioc_query_dv_timings= vidioc_query_dv_timings, | |
1106 | .vidioc_enum_dv_timings = vidioc_enum_dv_timings, | |
1107 | .vidioc_dv_timings_cap = vidioc_dv_timings_cap, | |
9aba42ef JG |
1108 | .vidioc_enum_input = vidioc_enum_input, |
1109 | .vidioc_g_input = vidioc_g_input, | |
1110 | .vidioc_s_input = vidioc_s_input, | |
1111 | .vidioc_enumaudio = vidioc_enumaudio, | |
1112 | .vidioc_g_audio = vidioc_g_audio, | |
1113 | .vidioc_s_audio = vidioc_s_audio, | |
65fe42d6 HV |
1114 | .vidioc_enum_fmt_vid_cap= vidioc_enum_fmt_vid_cap, |
1115 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
3315c59a HV |
1116 | .vidioc_s_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
1117 | .vidioc_try_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
76717b88 JG |
1118 | .vidioc_encoder_cmd = vidioc_encoder_cmd, |
1119 | .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd, | |
65fe42d6 HV |
1120 | .vidioc_log_status = v4l2_ctrl_log_status, |
1121 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1122 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
9aba42ef JG |
1123 | }; |
1124 | ||
1125 | static void hdpvr_device_release(struct video_device *vdev) | |
1126 | { | |
1127 | struct hdpvr_device *dev = video_get_drvdata(vdev); | |
1128 | ||
1129 | hdpvr_delete(dev); | |
f2b305cd | 1130 | mutex_lock(&dev->io_mutex); |
5612e191 | 1131 | flush_work(&dev->worker); |
f2b305cd HV |
1132 | mutex_unlock(&dev->io_mutex); |
1133 | ||
1134 | v4l2_device_unregister(&dev->v4l2_dev); | |
99c77aa4 | 1135 | v4l2_ctrl_handler_free(&dev->hdl); |
f2b305cd HV |
1136 | |
1137 | /* deregister I2C adapter */ | |
54d80904 | 1138 | #if IS_ENABLED(CONFIG_I2C) |
f2b305cd | 1139 | mutex_lock(&dev->i2c_mutex); |
324b04ba | 1140 | i2c_del_adapter(&dev->i2c_adapter); |
f2b305cd HV |
1141 | mutex_unlock(&dev->i2c_mutex); |
1142 | #endif /* CONFIG_I2C */ | |
1143 | ||
1144 | kfree(dev->usbc_buf); | |
1145 | kfree(dev); | |
9aba42ef JG |
1146 | } |
1147 | ||
1148 | static const struct video_device hdpvr_video_template = { | |
9aba42ef JG |
1149 | .fops = &hdpvr_fops, |
1150 | .release = hdpvr_device_release, | |
6e6a8b5a | 1151 | .ioctl_ops = &hdpvr_ioctl_ops, |
5854bf88 | 1152 | .tvnorms = V4L2_STD_ALL, |
9aba42ef JG |
1153 | }; |
1154 | ||
99c77aa4 HV |
1155 | static const struct v4l2_ctrl_ops hdpvr_ctrl_ops = { |
1156 | .try_ctrl = hdpvr_try_ctrl, | |
1157 | .s_ctrl = hdpvr_s_ctrl, | |
1158 | }; | |
1159 | ||
a50ab291 JG |
1160 | int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent, |
1161 | int devnum) | |
9aba42ef | 1162 | { |
99c77aa4 HV |
1163 | struct v4l2_ctrl_handler *hdl = &dev->hdl; |
1164 | bool ac3 = dev->flags & HDPVR_FLAG_AC3_CAP; | |
1165 | int res; | |
1166 | ||
8f69da95 HV |
1167 | dev->cur_std = V4L2_STD_525_60; |
1168 | dev->width = 720; | |
1169 | dev->height = 480; | |
3315c59a | 1170 | dev->cur_dv_timings = hdpvr_dv_timings[HDPVR_DEF_DV_TIMINGS_IDX]; |
99c77aa4 HV |
1171 | v4l2_ctrl_handler_init(hdl, 11); |
1172 | if (dev->fw_ver > 0x15) { | |
1173 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1174 | V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x80); | |
1175 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1176 | V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x40); | |
1177 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1178 | V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x40); | |
1179 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1180 | V4L2_CID_HUE, 0x0, 0x1e, 1, 0xf); | |
1181 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1182 | V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); | |
1183 | } else { | |
1184 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1185 | V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x86); | |
1186 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1187 | V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x80); | |
1188 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1189 | V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x80); | |
1190 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1191 | V4L2_CID_HUE, 0x0, 0xff, 1, 0x80); | |
1192 | v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1193 | V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); | |
1194 | } | |
1195 | ||
1196 | v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1197 | V4L2_CID_MPEG_STREAM_TYPE, | |
1198 | V4L2_MPEG_STREAM_TYPE_MPEG2_TS, | |
1199 | 0x1, V4L2_MPEG_STREAM_TYPE_MPEG2_TS); | |
1200 | v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1201 | V4L2_CID_MPEG_AUDIO_ENCODING, | |
1202 | ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 : V4L2_MPEG_AUDIO_ENCODING_AAC, | |
3445857b | 1203 | 0x7, ac3 ? dev->options.audio_codec : V4L2_MPEG_AUDIO_ENCODING_AAC); |
99c77aa4 HV |
1204 | v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, |
1205 | V4L2_CID_MPEG_VIDEO_ENCODING, | |
1206 | V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 0x3, | |
1207 | V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC); | |
1208 | ||
1209 | dev->video_mode = v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, | |
1210 | V4L2_CID_MPEG_VIDEO_BITRATE_MODE, | |
1211 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0, | |
1212 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); | |
1213 | ||
1214 | dev->video_bitrate = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1215 | V4L2_CID_MPEG_VIDEO_BITRATE, | |
1216 | 1000000, 13500000, 100000, 6500000); | |
1217 | dev->video_bitrate_peak = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, | |
1218 | V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, | |
1219 | 1100000, 20200000, 100000, 9000000); | |
1220 | dev->v4l2_dev.ctrl_handler = hdl; | |
1221 | if (hdl->error) { | |
1222 | res = hdl->error; | |
1223 | v4l2_err(&dev->v4l2_dev, "Could not register controls\n"); | |
1224 | goto error; | |
1225 | } | |
1226 | v4l2_ctrl_cluster(3, &dev->video_mode); | |
1227 | res = v4l2_ctrl_handler_setup(hdl); | |
1228 | if (res < 0) { | |
1229 | v4l2_err(&dev->v4l2_dev, "Could not setup controls\n"); | |
1230 | goto error; | |
1231 | } | |
1232 | ||
9aba42ef | 1233 | /* setup and register video device */ |
4b30409b | 1234 | dev->video_dev = hdpvr_video_template; |
cc1e6315 MCC |
1235 | strscpy(dev->video_dev.name, "Hauppauge HD PVR", |
1236 | sizeof(dev->video_dev.name)); | |
4b30409b HV |
1237 | dev->video_dev.v4l2_dev = &dev->v4l2_dev; |
1238 | video_set_drvdata(&dev->video_dev, dev); | |
9aba42ef | 1239 | |
4b30409b | 1240 | res = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER, devnum); |
99c77aa4 | 1241 | if (res < 0) { |
9ef77adf | 1242 | v4l2_err(&dev->v4l2_dev, "video_device registration failed\n"); |
9aba42ef JG |
1243 | goto error; |
1244 | } | |
1245 | ||
1246 | return 0; | |
1247 | error: | |
99c77aa4 HV |
1248 | v4l2_ctrl_handler_free(hdl); |
1249 | return res; | |
9aba42ef | 1250 | } |