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[media] hdpvr: add dv_timings support
[deliverable/linux.git] / drivers / media / usb / hdpvr / hdpvr-video.c
CommitLineData
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		 40static 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
54struct hdpvr_fh {
55 struct v4l2_fh fh;
56 bool legacy_mode;
57};
58
9aba42ef
JG		 59static 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 */
73static 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 */
87int 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
101static 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 */
125int 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 */
136int 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		 182exit_urb_buffer:
183 usb_free_urb(urb);
184exit_urb:
185 kfree(buf);
9aba42ef
JG		 186exit:
187 hdpvr_free_buffers(dev);
188 return retval;
189}
190
191static 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 }
226err:
d211bfcb 227 print_buffer_status();
9aba42ef
JG		 228 mutex_unlock(&dev->io_mutex);
229 return ret;
230}
231
232static 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
250static 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;
270error:
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 */
277static int hdpvr_start_streaming(struct hdpvr_device *dev)
278{
279 int ret;
280 struct hdpvr_video_info *vidinf;
281
282 if (dev->status == STATUS_STREAMING)
283 return 0;
284 else if (dev->status != STATUS_IDLE)
285 return -EAGAIN;
286
287 vidinf = get_video_info(dev);
288
289 if (vidinf) {
9ef77adf 290 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
9aba42ef
JG		 291 "video signal: %dx%d@%dhz\n", vidinf->width,
292 vidinf->height, vidinf->fps);
293 kfree(vidinf);
294
295 /* start streaming 2 request */
296 ret = usb_control_msg(dev->udev,
297 usb_sndctrlpipe(dev->udev, 0),
298 0xb8, 0x38, 0x1, 0, NULL, 0, 8000);
9ef77adf 299 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
9aba42ef
JG		 300 "encoder start control request returned %d\n", ret);
301
302 hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
303
afa15953
JG		 304 dev->status = STATUS_STREAMING;
305
9aba42ef
JG		 306 INIT_WORK(&dev->worker, hdpvr_transmit_buffers);
307 queue_work(dev->workqueue, &dev->worker);
308
9ef77adf 309 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
9aba42ef 310 "streaming started\n");
9aba42ef
JG		 311
312 return 0;
313 }
314 msleep(250);
9ef77adf 315 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
9aba42ef
JG		 316 "no video signal at input %d\n", dev->options.video_input);
317 return -EAGAIN;
318}
319
320
321/* function expects dev->io_mutex to be hold by caller */
322static 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)
335 v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer "
336 "for emptying the internal device buffer. "
337 "Next capture start will be slow\n");
338
9aba42ef
JG		 339 dev->status = STATUS_SHUTTING_DOWN;
340 hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00);
48f98f75 341 mutex_unlock(&dev->io_mutex);
9aba42ef
JG		 342
343 wake_up_interruptible(&dev->wait_buffer);
344 msleep(50);
345
346 flush_workqueue(dev->workqueue);
347
48f98f75 348 mutex_lock(&dev->io_mutex);
9aba42ef
JG		 349 /* kill the still outstanding urbs */
350 hdpvr_cancel_queue(dev);
351
7d771ff0
JG		 352 /* emptying the device buffer beforeshutting it down */
353 while (buf && ++c < 500 &&
354 !usb_bulk_msg(dev->udev,
355 usb_rcvbulkpipe(dev->udev,
356 dev->bulk_in_endpointAddr),
357 buf, dev->bulk_in_size, &actual_length,
358 BULK_URB_TIMEOUT)) {
7d771ff0
JG		 359 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
360 "%2d: got %d bytes\n", c, actual_length);
361 }
362 kfree(buf);
363 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
364 "used %d urbs to empty device buffers\n", c-1);
365 msleep(10);
366
9aba42ef
JG		 367 dev->status = STATUS_IDLE;
368
369 return 0;
370}
371
372
373/*=======================================================================*/
374/*
375 * video 4 linux 2 file operations
376 */
377
3315c59a
HV		 378static int hdpvr_open(struct file *file)
379{
380 struct hdpvr_fh *fh = kzalloc(sizeof(*fh), GFP_KERNEL);
381
382 if (fh == NULL)
383 return -ENOMEM;
384 fh->legacy_mode = true;
385 v4l2_fh_init(&fh->fh, video_devdata(file));
386 v4l2_fh_add(&fh->fh);
387 file->private_data = fh;
388 return 0;
389}
390
9aba42ef
JG		 391static int hdpvr_release(struct file *file)
392{
ede197aa 393 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef 394
9aba42ef 395 mutex_lock(&dev->io_mutex);
ede197aa 396 if (file->private_data == dev->owner) {
9aba42ef 397 hdpvr_stop_streaming(dev);
ede197aa
HV		 398 dev->owner = NULL;
399 }
9aba42ef
JG		 400 mutex_unlock(&dev->io_mutex);
401
ede197aa 402 return v4l2_fh_release(file);
9aba42ef
JG		 403}
404
405/*
406 * hdpvr_v4l2_read()
407 * will allocate buffers when called for the first time
408 */
409static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count,
410 loff_t *pos)
411{
ede197aa 412 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 413 struct hdpvr_buffer *buf = NULL;
414 struct urb *urb;
415 unsigned int ret = 0;
416 int rem, cnt;
417
418 if (*pos)
419 return -ESPIPE;
420
9aba42ef
JG		 421 mutex_lock(&dev->io_mutex);
422 if (dev->status == STATUS_IDLE) {
423 if (hdpvr_start_streaming(dev)) {
9ef77adf
JG		 424 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
425 "start_streaming failed\n");
9aba42ef
JG		 426 ret = -EIO;
427 msleep(200);
428 dev->status = STATUS_IDLE;
429 mutex_unlock(&dev->io_mutex);
430 goto err;
431 }
ede197aa 432 dev->owner = file->private_data;
d211bfcb 433 print_buffer_status();
9aba42ef
JG		 434 }
435 mutex_unlock(&dev->io_mutex);
436
437 /* wait for the first buffer */
438 if (!(file->f_flags & O_NONBLOCK)) {
439 if (wait_event_interruptible(dev->wait_data,
440 hdpvr_get_next_buffer(dev)))
441 return -ERESTARTSYS;
442 }
443
444 buf = hdpvr_get_next_buffer(dev);
445
446 while (count > 0 && buf) {
447
448 if (buf->status != BUFSTAT_READY &&
449 dev->status != STATUS_DISCONNECTED) {
450 /* return nonblocking */
451 if (file->f_flags & O_NONBLOCK) {
452 if (!ret)
453 ret = -EAGAIN;
454 goto err;
455 }
456
457 if (wait_event_interruptible(dev->wait_data,
458 buf->status == BUFSTAT_READY)) {
459 ret = -ERESTARTSYS;
460 goto err;
461 }
462 }
463
464 if (buf->status != BUFSTAT_READY)
465 break;
466
467 /* set remaining bytes to copy */
468 urb = buf->urb;
469 rem = urb->actual_length - buf->pos;
470 cnt = rem > count ? count : rem;
471
472 if (copy_to_user(buffer, urb->transfer_buffer + buf->pos,
473 cnt)) {
9ef77adf 474 v4l2_err(&dev->v4l2_dev, "read: copy_to_user failed\n");
9aba42ef
JG		 475 if (!ret)
476 ret = -EFAULT;
477 goto err;
478 }
479
480 buf->pos += cnt;
481 count -= cnt;
482 buffer += cnt;
483 ret += cnt;
484
485 /* finished, take next buffer */
486 if (buf->pos == urb->actual_length) {
487 mutex_lock(&dev->io_mutex);
488 buf->pos = 0;
489 buf->status = BUFSTAT_AVAILABLE;
490
491 list_move_tail(&buf->buff_list, &dev->free_buff_list);
492
d211bfcb 493 print_buffer_status();
9aba42ef
JG		 494
495 mutex_unlock(&dev->io_mutex);
496
497 wake_up_interruptible(&dev->wait_buffer);
498
499 buf = hdpvr_get_next_buffer(dev);
500 }
501 }
502err:
503 if (!ret && !buf)
504 ret = -EAGAIN;
505 return ret;
506}
507
508static unsigned int hdpvr_poll(struct file *filp, poll_table *wait)
509{
65fe42d6 510 unsigned long req_events = poll_requested_events(wait);
d2ff3ec8 511 struct hdpvr_buffer *buf = NULL;
ede197aa 512 struct hdpvr_device *dev = video_drvdata(filp);
65fe42d6 513 unsigned int mask = v4l2_ctrl_poll(filp, wait);
9aba42ef 514
65fe42d6
HV		 515 if (!(req_events & (POLLIN | POLLRDNORM)))
516 return mask;
9aba42ef 517
65fe42d6 518 mutex_lock(&dev->io_mutex);
9aba42ef
JG		 519
520 if (dev->status == STATUS_IDLE) {
521 if (hdpvr_start_streaming(dev)) {
9ef77adf
JG		 522 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
523 "start_streaming failed\n");
9aba42ef 524 dev->status = STATUS_IDLE;
ede197aa
HV		 525 } else {
526 dev->owner = filp->private_data;
9aba42ef
JG		 527 }
528
d211bfcb 529 print_buffer_status();
9aba42ef
JG		 530 }
531 mutex_unlock(&dev->io_mutex);
532
d2ff3ec8
JG		 533 buf = hdpvr_get_next_buffer(dev);
534 /* only wait if no data is available */
535 if (!buf || buf->status != BUFSTAT_READY) {
536 poll_wait(filp, &dev->wait_data, wait);
537 buf = hdpvr_get_next_buffer(dev);
9aba42ef 538 }
d2ff3ec8
JG		 539 if (buf && buf->status == BUFSTAT_READY)
540 mask |= POLLIN | POLLRDNORM;
9aba42ef
JG		 541
542 return mask;
543}
544
545
9aba42ef
JG		 546static const struct v4l2_file_operations hdpvr_fops = {
547 .owner = THIS_MODULE,
3315c59a 548 .open = hdpvr_open,
9aba42ef
JG		 549 .release = hdpvr_release,
550 .read = hdpvr_read,
551 .poll = hdpvr_poll,
76717b88 552 .unlocked_ioctl = video_ioctl2,
9aba42ef
JG		 553};
554
555/*=======================================================================*/
556/*
557 * V4L2 ioctl handling
558 */
559
560static int vidioc_querycap(struct file *file, void *priv,
561 struct v4l2_capability *cap)
562{
563 struct hdpvr_device *dev = video_drvdata(file);
564
565 strcpy(cap->driver, "hdpvr");
fdd70c33 566 strcpy(cap->card, "Hauppauge HD PVR");
9aba42ef 567 usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
41022fcb
HV		 568 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO |
569 V4L2_CAP_READWRITE;
570 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
9aba42ef
JG		 571 return 0;
572}
573
574static int vidioc_s_std(struct file *file, void *private_data,
314527ac 575 v4l2_std_id std)
9aba42ef 576{
ede197aa 577 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 578 u8 std_type = 1;
579
8f69da95
HV		 580 if (dev->options.video_input == HDPVR_COMPONENT)
581 return -ENODATA;
582 if (dev->status != STATUS_IDLE)
583 return -EBUSY;
584 if (std & V4L2_STD_525_60)
9aba42ef 585 std_type = 0;
8f69da95
HV		 586 dev->cur_std = std;
587 dev->width = 720;
588 dev->height = std_type ? 576 : 480;
9aba42ef
JG		 589
590 return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type);
591}
592
8f69da95
HV		 593static int vidioc_g_std(struct file *file, void *private_data,
594 v4l2_std_id *std)
595{
596 struct hdpvr_device *dev = video_drvdata(file);
597
598 if (dev->options.video_input == HDPVR_COMPONENT)
599 return -ENODATA;
600 *std = dev->cur_std;
601 return 0;
602}
603
604static int vidioc_querystd(struct file *file, void *fh, v4l2_std_id *a)
605{
606 struct hdpvr_device *dev = video_drvdata(file);
607 struct hdpvr_video_info *vid_info;
608
609 if (dev->options.video_input == HDPVR_COMPONENT)
610 return -ENODATA;
611 *a = V4L2_STD_ALL;
612 vid_info = get_video_info(dev);
613 if (vid_info == NULL)
614 return 0;
615 if (vid_info->width == 720 &&
616 (vid_info->height == 480 || vid_info->height == 576)) {
617 *a = (vid_info->height == 480) ?
618 V4L2_STD_525_60 : V4L2_STD_625_50;
619 }
620 kfree(vid_info);
621 return 0;
622}
623
3315c59a
HV		 624static int vidioc_s_dv_timings(struct file *file, void *_fh,
625 struct v4l2_dv_timings *timings)
626{
627 struct hdpvr_device *dev = video_drvdata(file);
628 struct hdpvr_fh *fh = _fh;
629 int i;
630
631 fh->legacy_mode = false;
632 if (dev->options.video_input)
633 return -ENODATA;
634 if (dev->status != STATUS_IDLE)
635 return -EBUSY;
636 for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++)
637 if (v4l_match_dv_timings(timings, hdpvr_dv_timings + i, 0))
638 break;
639 if (i == ARRAY_SIZE(hdpvr_dv_timings))
640 return -EINVAL;
641 dev->cur_dv_timings = hdpvr_dv_timings[i];
642 dev->width = hdpvr_dv_timings[i].bt.width;
643 dev->height = hdpvr_dv_timings[i].bt.height;
644 return 0;
645}
646
647static int vidioc_g_dv_timings(struct file *file, void *_fh,
648 struct v4l2_dv_timings *timings)
649{
650 struct hdpvr_device *dev = video_drvdata(file);
651 struct hdpvr_fh *fh = _fh;
652
653 fh->legacy_mode = false;
654 if (dev->options.video_input)
655 return -ENODATA;
656 *timings = dev->cur_dv_timings;
657 return 0;
658}
659
660static int vidioc_query_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 struct hdpvr_video_info *vid_info;
666 bool interlaced;
667 int ret = 0;
668 int i;
669
670 fh->legacy_mode = false;
671 if (dev->options.video_input)
672 return -ENODATA;
673 vid_info = get_video_info(dev);
674 if (vid_info == NULL)
675 return -ENOLCK;
676 interlaced = vid_info->fps <= 30;
677 for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) {
678 const struct v4l2_bt_timings *bt = &hdpvr_dv_timings[i].bt;
679 unsigned hsize;
680 unsigned vsize;
681 unsigned fps;
682
683 hsize = bt->hfrontporch + bt->hsync + bt->hbackporch + bt->width;
684 vsize = bt->vfrontporch + bt->vsync + bt->vbackporch +
685 bt->il_vfrontporch + bt->il_vsync + bt->il_vbackporch +
686 bt->height;
687 fps = (unsigned)bt->pixelclock / (hsize * vsize);
688 if (bt->width != vid_info->width ||
689 bt->height != vid_info->height ||
690 bt->interlaced != interlaced ||
691 (fps != vid_info->fps && fps + 1 != vid_info->fps))
692 continue;
693 *timings = hdpvr_dv_timings[i];
694 break;
695 }
696 if (i == ARRAY_SIZE(hdpvr_dv_timings))
697 ret = -ERANGE;
698 kfree(vid_info);
699 return ret;
700}
701
702static int vidioc_enum_dv_timings(struct file *file, void *_fh,
703 struct v4l2_enum_dv_timings *timings)
704{
705 struct hdpvr_device *dev = video_drvdata(file);
706 struct hdpvr_fh *fh = _fh;
707
708 fh->legacy_mode = false;
709 memset(timings->reserved, 0, sizeof(timings->reserved));
710 if (dev->options.video_input)
711 return -ENODATA;
712 if (timings->index >= ARRAY_SIZE(hdpvr_dv_timings))
713 return -EINVAL;
714 timings->timings = hdpvr_dv_timings[timings->index];
715 return 0;
716}
717
718static int vidioc_dv_timings_cap(struct file *file, void *_fh,
719 struct v4l2_dv_timings_cap *cap)
720{
721 struct hdpvr_device *dev = video_drvdata(file);
722 struct hdpvr_fh *fh = _fh;
723
724 fh->legacy_mode = false;
725 if (dev->options.video_input)
726 return -ENODATA;
727 cap->type = V4L2_DV_BT_656_1120;
728 cap->bt.min_width = 720;
729 cap->bt.max_width = 1920;
730 cap->bt.min_height = 480;
731 cap->bt.max_height = 1080;
732 cap->bt.min_pixelclock = 27000000;
733 cap->bt.max_pixelclock = 74250000;
734 cap->bt.standards = V4L2_DV_BT_STD_CEA861;
735 cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED | V4L2_DV_BT_CAP_PROGRESSIVE;
736 return 0;
737}
738
9aba42ef
JG		 739static const char *iname[] = {
740 [HDPVR_COMPONENT] = "Component",
741 [HDPVR_SVIDEO] = "S-Video",
742 [HDPVR_COMPOSITE] = "Composite",
743};
744
745static int vidioc_enum_input(struct file *file, void *priv,
746 struct v4l2_input *i)
747{
9aba42ef
JG		 748 unsigned int n;
749
750 n = i->index;
751 if (n >= HDPVR_VIDEO_INPUTS)
752 return -EINVAL;
753
754 i->type = V4L2_INPUT_TYPE_CAMERA;
755
756 strncpy(i->name, iname[n], sizeof(i->name) - 1);
757 i->name[sizeof(i->name) - 1] = '\0';
758
759 i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF;
760
8f69da95
HV		 761 i->capabilities = n ? V4L2_IN_CAP_STD : V4L2_IN_CAP_DV_TIMINGS;
762 i->std = n ? V4L2_STD_ALL : 0;
9aba42ef
JG		 763
764 return 0;
765}
766
767static int vidioc_s_input(struct file *file, void *private_data,
768 unsigned int index)
769{
ede197aa 770 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 771 int retval;
772
773 if (index >= HDPVR_VIDEO_INPUTS)
774 return -EINVAL;
775
776 if (dev->status != STATUS_IDLE)
97caa318 777 return -EBUSY;
9aba42ef
JG		 778
779 retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1);
8f69da95 780 if (!retval) {
9aba42ef 781 dev->options.video_input = index;
8f69da95
HV		 782 dev->video_dev->tvnorms =
783 index != HDPVR_COMPONENT ? V4L2_STD_ALL : 0;
784 }
9aba42ef
JG		 785
786 return retval;
787}
788
789static int vidioc_g_input(struct file *file, void *private_data,
790 unsigned int *index)
791{
ede197aa 792 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 793
794 *index = dev->options.video_input;
795 return 0;
796}
797
798
799static const char *audio_iname[] = {
800 [HDPVR_RCA_FRONT] = "RCA front",
801 [HDPVR_RCA_BACK] = "RCA back",
802 [HDPVR_SPDIF] = "SPDIF",
803};
804
805static int vidioc_enumaudio(struct file *file, void *priv,
806 struct v4l2_audio *audio)
807{
808 unsigned int n;
809
810 n = audio->index;
811 if (n >= HDPVR_AUDIO_INPUTS)
812 return -EINVAL;
813
814 audio->capability = V4L2_AUDCAP_STEREO;
815
816 strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1);
817 audio->name[sizeof(audio->name) - 1] = '\0';
818
819 return 0;
820}
821
822static int vidioc_s_audio(struct file *file, void *private_data,
0e8025b9 823 const struct v4l2_audio *audio)
9aba42ef 824{
ede197aa 825 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 826 int retval;
827
828 if (audio->index >= HDPVR_AUDIO_INPUTS)
829 return -EINVAL;
830
831 if (dev->status != STATUS_IDLE)
97caa318 832 return -EBUSY;
9aba42ef
JG		 833
834 retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec);
835 if (!retval)
836 dev->options.audio_input = audio->index;
837
838 return retval;
839}
840
841static int vidioc_g_audio(struct file *file, void *private_data,
842 struct v4l2_audio *audio)
843{
ede197aa 844 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 845
846 audio->index = dev->options.audio_input;
847 audio->capability = V4L2_AUDCAP_STEREO;
848 strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name));
849 audio->name[sizeof(audio->name) - 1] = '\0';
850 return 0;
851}
852
99c77aa4 853static int hdpvr_try_ctrl(struct v4l2_ctrl *ctrl)
9aba42ef 854{
99c77aa4
HV		 855 struct hdpvr_device *dev =
856 container_of(ctrl->handler, struct hdpvr_device, hdl);
9aba42ef
JG		 857
858 switch (ctrl->id) {
99c77aa4
HV		 859 case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
860 if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR &&
861 dev->video_bitrate->val >= dev->video_bitrate_peak->val)
862 dev->video_bitrate_peak->val =
863 dev->video_bitrate->val + 100000;
9aba42ef 864 break;
9aba42ef
JG		 865 }
866 return 0;
867}
868
99c77aa4 869static int hdpvr_s_ctrl(struct v4l2_ctrl *ctrl)
9aba42ef 870{
99c77aa4
HV		 871 struct hdpvr_device *dev =
872 container_of(ctrl->handler, struct hdpvr_device, hdl);
873 struct hdpvr_options *opt = &dev->options;
874 int ret = -EINVAL;
9aba42ef
JG		 875
876 switch (ctrl->id) {
877 case V4L2_CID_BRIGHTNESS:
99c77aa4
HV		 878 ret = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->val);
879 if (ret)
880 break;
881 dev->options.brightness = ctrl->val;
882 return 0;
9aba42ef 883 case V4L2_CID_CONTRAST:
99c77aa4
HV		 884 ret = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->val);
885 if (ret)
886 break;
887 dev->options.contrast = ctrl->val;
888 return 0;
9aba42ef 889 case V4L2_CID_SATURATION:
99c77aa4
HV		 890 ret = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->val);
891 if (ret)
892 break;
893 dev->options.saturation = ctrl->val;
894 return 0;
9aba42ef 895 case V4L2_CID_HUE:
99c77aa4
HV		 896 ret = hdpvr_config_call(dev, CTRL_HUE, ctrl->val);
897 if (ret)
898 break;
899 dev->options.hue = ctrl->val;
900 return 0;
9aba42ef 901 case V4L2_CID_SHARPNESS:
99c77aa4
HV		 902 ret = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->val);
903 if (ret)
904 break;
905 dev->options.sharpness = ctrl->val;
906 return 0;
9aba42ef
JG		 907 case V4L2_CID_MPEG_AUDIO_ENCODING:
908 if (dev->flags & HDPVR_FLAG_AC3_CAP) {
99c77aa4
HV		 909 opt->audio_codec = ctrl->val;
910 return hdpvr_set_audio(dev, opt->audio_input,
9aba42ef
JG		 911 opt->audio_codec);
912 }
99c77aa4 913 return 0;
9aba42ef 914 case V4L2_CID_MPEG_VIDEO_ENCODING:
99c77aa4 915 return 0;
9aba42ef
JG		 916/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
917/* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */
918/* opt->gop_mode |= 0x2; */
919/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */
920/* opt->gop_mode); */
921/* } */
922/* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */
923/* opt->gop_mode &= ~0x2; */
924/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */
925/* opt->gop_mode); */
926/* } */
927/* break; */
99c77aa4
HV		 928 case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: {
929 uint peak_bitrate = dev->video_bitrate_peak->val / 100000;
930 uint bitrate = dev->video_bitrate->val / 100000;
931
932 if (ctrl->is_new) {
933 if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
934 opt->bitrate_mode = HDPVR_CONSTANT;
935 else
936 opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE;
9aba42ef
JG		 937 hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
938 opt->bitrate_mode);
99c77aa4
HV		 939 v4l2_ctrl_activate(dev->video_bitrate_peak,
940 ctrl->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR);
9aba42ef 941 }
9aba42ef 942
99c77aa4
HV		 943 if (dev->video_bitrate_peak->is_new ||
944 dev->video_bitrate->is_new) {
945 opt->bitrate = bitrate;
9aba42ef
JG		 946 opt->peak_bitrate = peak_bitrate;
947 hdpvr_set_bitrate(dev);
99c77aa4
HV		 948 }
949 return 0;
9aba42ef
JG		 950 }
951 case V4L2_CID_MPEG_STREAM_TYPE:
99c77aa4 952 return 0;
9aba42ef 953 default:
99c77aa4 954 break;
9aba42ef
JG		 955 }
956 return ret;
957}
958
9aba42ef
JG		 959static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data,
960 struct v4l2_fmtdesc *f)
961{
97caa318 962 if (f->index != 0)
9aba42ef
JG		 963 return -EINVAL;
964
965 f->flags = V4L2_FMT_FLAG_COMPRESSED;
966 strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32);
967 f->pixelformat = V4L2_PIX_FMT_MPEG;
968
969 return 0;
970}
971
3315c59a 972static int vidioc_g_fmt_vid_cap(struct file *file, void *_fh,
9aba42ef
JG		 973 struct v4l2_format *f)
974{
ede197aa 975 struct hdpvr_device *dev = video_drvdata(file);
3315c59a
HV		 976 struct hdpvr_fh *fh = _fh;
977
978 /*
979 * The original driver would always returns the current detected
980 * resolution as the format (and EFAULT if it couldn't be detected).
981 * With the introduction of VIDIOC_QUERY_DV_TIMINGS there is now a
982 * better way of doing this, but to stay compatible with existing
983 * applications we assume legacy mode every time an application opens
984 * the device. Only if one of the new DV_TIMINGS ioctls is called
985 * will the filehandle go into 'normal' mode where g_fmt returns the
986 * last set format.
987 */
988 if (fh->legacy_mode) {
989 struct hdpvr_video_info *vid_info;
990
991 vid_info = get_video_info(dev);
992 if (!vid_info)
993 return -EFAULT;
994 f->fmt.pix.width = vid_info->width;
995 f->fmt.pix.height = vid_info->height;
996 kfree(vid_info);
997 } else {
998 f->fmt.pix.width = dev->width;
999 f->fmt.pix.height = dev->height;
1000 }
9aba42ef 1001 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
9aba42ef 1002 f->fmt.pix.sizeimage = dev->bulk_in_size;
9aba42ef 1003 f->fmt.pix.bytesperline = 0;
3315c59a
HV		 1004 f->fmt.pix.priv = 0;
1005 if (f->fmt.pix.width == 720) {
1006 /* SDTV formats */
1007 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1008 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1009 } else {
1010 /* HDTV formats */
1011 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE240M;
1012 f->fmt.pix.field = V4L2_FIELD_NONE;
1013 }
9aba42ef
JG		 1014 return 0;
1015}
1016
76717b88
JG		 1017static int vidioc_encoder_cmd(struct file *filp, void *priv,
1018 struct v4l2_encoder_cmd *a)
1019{
ede197aa
HV		 1020 struct hdpvr_device *dev = video_drvdata(filp);
1021 int res = 0;
76717b88
JG		 1022
1023 mutex_lock(&dev->io_mutex);
ede197aa 1024 a->flags = 0;
76717b88 1025
76717b88
JG		 1026 switch (a->cmd) {
1027 case V4L2_ENC_CMD_START:
ede197aa
HV		 1028 if (dev->owner && filp->private_data != dev->owner) {
1029 res = -EBUSY;
1030 break;
1031 }
1032 if (dev->status == STATUS_STREAMING)
1033 break;
76717b88 1034 res = hdpvr_start_streaming(dev);
ede197aa
HV		 1035 if (!res)
1036 dev->owner = filp->private_data;
1037 else
1038 dev->status = STATUS_IDLE;
76717b88
JG		 1039 break;
1040 case V4L2_ENC_CMD_STOP:
ede197aa
HV		 1041 if (dev->owner && filp->private_data != dev->owner) {
1042 res = -EBUSY;
1043 break;
1044 }
1045 if (dev->status == STATUS_IDLE)
1046 break;
76717b88 1047 res = hdpvr_stop_streaming(dev);
ede197aa
HV		 1048 if (!res)
1049 dev->owner = NULL;
76717b88
JG		 1050 break;
1051 default:
9ef77adf 1052 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
76717b88 1053 "Unsupported encoder cmd %d\n", a->cmd);
48f98f75 1054 res = -EINVAL;
ede197aa 1055 break;
76717b88 1056 }
ede197aa 1057
76717b88
JG		 1058 mutex_unlock(&dev->io_mutex);
1059 return res;
1060}
1061
1062static int vidioc_try_encoder_cmd(struct file *filp, void *priv,
1063 struct v4l2_encoder_cmd *a)
1064{
ede197aa 1065 a->flags = 0;
76717b88
JG		 1066 switch (a->cmd) {
1067 case V4L2_ENC_CMD_START:
1068 case V4L2_ENC_CMD_STOP:
1069 return 0;
1070 default:
1071 return -EINVAL;
1072 }
1073}
9aba42ef
JG		 1074
1075static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = {
1076 .vidioc_querycap = vidioc_querycap,
1077 .vidioc_s_std = vidioc_s_std,
8f69da95
HV		 1078 .vidioc_g_std = vidioc_g_std,
1079 .vidioc_querystd = vidioc_querystd,
3315c59a
HV		 1080 .vidioc_s_dv_timings = vidioc_s_dv_timings,
1081 .vidioc_g_dv_timings = vidioc_g_dv_timings,
1082 .vidioc_query_dv_timings= vidioc_query_dv_timings,
1083 .vidioc_enum_dv_timings = vidioc_enum_dv_timings,
1084 .vidioc_dv_timings_cap = vidioc_dv_timings_cap,
9aba42ef
JG		 1085 .vidioc_enum_input = vidioc_enum_input,
1086 .vidioc_g_input = vidioc_g_input,
1087 .vidioc_s_input = vidioc_s_input,
1088 .vidioc_enumaudio = vidioc_enumaudio,
1089 .vidioc_g_audio = vidioc_g_audio,
1090 .vidioc_s_audio = vidioc_s_audio,
65fe42d6
HV		 1091 .vidioc_enum_fmt_vid_cap= vidioc_enum_fmt_vid_cap,
1092 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
3315c59a
HV		 1093 .vidioc_s_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1094 .vidioc_try_fmt_vid_cap = vidioc_g_fmt_vid_cap,
76717b88
JG		 1095 .vidioc_encoder_cmd = vidioc_encoder_cmd,
1096 .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd,
65fe42d6
HV		 1097 .vidioc_log_status = v4l2_ctrl_log_status,
1098 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1099 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
9aba42ef
JG		 1100};
1101
1102static void hdpvr_device_release(struct video_device *vdev)
1103{
1104 struct hdpvr_device *dev = video_get_drvdata(vdev);
1105
1106 hdpvr_delete(dev);
f2b305cd
HV		 1107 mutex_lock(&dev->io_mutex);
1108 destroy_workqueue(dev->workqueue);
1109 mutex_unlock(&dev->io_mutex);
1110
1111 v4l2_device_unregister(&dev->v4l2_dev);
99c77aa4 1112 v4l2_ctrl_handler_free(&dev->hdl);
f2b305cd
HV		 1113
1114 /* deregister I2C adapter */
54d80904 1115#if IS_ENABLED(CONFIG_I2C)
f2b305cd 1116 mutex_lock(&dev->i2c_mutex);
324b04ba 1117 i2c_del_adapter(&dev->i2c_adapter);
f2b305cd
HV		 1118 mutex_unlock(&dev->i2c_mutex);
1119#endif /* CONFIG_I2C */
1120
1121 kfree(dev->usbc_buf);
1122 kfree(dev);
9aba42ef
JG		 1123}
1124
1125static const struct video_device hdpvr_video_template = {
9aba42ef
JG		 1126 .fops = &hdpvr_fops,
1127 .release = hdpvr_device_release,
1128 .ioctl_ops = &hdpvr_ioctl_ops,
9aba42ef
JG		 1129};
1130
99c77aa4
HV		 1131static const struct v4l2_ctrl_ops hdpvr_ctrl_ops = {
1132 .try_ctrl = hdpvr_try_ctrl,
1133 .s_ctrl = hdpvr_s_ctrl,
1134};
1135
a50ab291
JG		 1136int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent,
1137 int devnum)
9aba42ef 1138{
99c77aa4
HV		 1139 struct v4l2_ctrl_handler *hdl = &dev->hdl;
1140 bool ac3 = dev->flags & HDPVR_FLAG_AC3_CAP;
1141 int res;
1142
8f69da95
HV		 1143 dev->cur_std = V4L2_STD_525_60;
1144 dev->width = 720;
1145 dev->height = 480;
3315c59a 1146 dev->cur_dv_timings = hdpvr_dv_timings[HDPVR_DEF_DV_TIMINGS_IDX];
99c77aa4
HV		 1147 v4l2_ctrl_handler_init(hdl, 11);
1148 if (dev->fw_ver > 0x15) {
1149 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1150 V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x80);
1151 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1152 V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x40);
1153 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1154 V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x40);
1155 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1156 V4L2_CID_HUE, 0x0, 0x1e, 1, 0xf);
1157 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1158 V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80);
1159 } else {
1160 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1161 V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x86);
1162 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1163 V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x80);
1164 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1165 V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x80);
1166 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1167 V4L2_CID_HUE, 0x0, 0xff, 1, 0x80);
1168 v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1169 V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80);
1170 }
1171
1172 v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops,
1173 V4L2_CID_MPEG_STREAM_TYPE,
1174 V4L2_MPEG_STREAM_TYPE_MPEG2_TS,
1175 0x1, V4L2_MPEG_STREAM_TYPE_MPEG2_TS);
1176 v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops,
1177 V4L2_CID_MPEG_AUDIO_ENCODING,
1178 ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 : V4L2_MPEG_AUDIO_ENCODING_AAC,
1179 0x7, V4L2_MPEG_AUDIO_ENCODING_AAC);
1180 v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops,
1181 V4L2_CID_MPEG_VIDEO_ENCODING,
1182 V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 0x3,
1183 V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC);
1184
1185 dev->video_mode = v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops,
1186 V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
1187 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0,
1188 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR);
1189
1190 dev->video_bitrate = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1191 V4L2_CID_MPEG_VIDEO_BITRATE,
1192 1000000, 13500000, 100000, 6500000);
1193 dev->video_bitrate_peak = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops,
1194 V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
1195 1100000, 20200000, 100000, 9000000);
1196 dev->v4l2_dev.ctrl_handler = hdl;
1197 if (hdl->error) {
1198 res = hdl->error;
1199 v4l2_err(&dev->v4l2_dev, "Could not register controls\n");
1200 goto error;
1201 }
1202 v4l2_ctrl_cluster(3, &dev->video_mode);
1203 res = v4l2_ctrl_handler_setup(hdl);
1204 if (res < 0) {
1205 v4l2_err(&dev->v4l2_dev, "Could not setup controls\n");
1206 goto error;
1207 }
1208
9aba42ef
JG		 1209 /* setup and register video device */
1210 dev->video_dev = video_device_alloc();
1211 if (!dev->video_dev) {
9ef77adf 1212 v4l2_err(&dev->v4l2_dev, "video_device_alloc() failed\n");
99c77aa4 1213 res = -ENOMEM;
9aba42ef
JG		 1214 goto error;
1215 }
1216
ede197aa 1217 *dev->video_dev = hdpvr_video_template;
9aba42ef 1218 strcpy(dev->video_dev->name, "Hauppauge HD PVR");
ede197aa 1219 dev->video_dev->v4l2_dev = &dev->v4l2_dev;
9aba42ef 1220 video_set_drvdata(dev->video_dev, dev);
65fe42d6 1221 set_bit(V4L2_FL_USE_FH_PRIO, &dev->video_dev->flags);
9aba42ef 1222
99c77aa4
HV		 1223 res = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum);
1224 if (res < 0) {
9ef77adf 1225 v4l2_err(&dev->v4l2_dev, "video_device registration failed\n");
9aba42ef
JG		 1226 goto error;
1227 }
1228
1229 return 0;
1230error:
99c77aa4
HV		 1231 v4l2_ctrl_handler_free(hdl);
1232 return res;
9aba42ef 1233}
Linux kernel - Deliverables
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