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[media] videodev2.h: defines to calculate blanking and frame sizes
[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>
25764158 27#include <media/v4l2-dv-timings.h>
9aba42ef 28#include <media/v4l2-ioctl.h>
65fe42d6 29#include <media/v4l2-event.h>
9aba42ef
JG		 30#include "hdpvr.h"
31
39bcb3ae 32#define BULK_URB_TIMEOUT 90 /* 0.09 seconds */
9aba42ef 33
9ef77adf
JG		 34#define print_buffer_status() { \
35 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, \
36 "%s:%d buffer stat: %d free, %d proc\n", \
37 __func__, __LINE__, \
38 list_size(&dev->free_buff_list), \
39 list_size(&dev->rec_buff_list)); }
d211bfcb 40
3315c59a
HV		 41static const struct v4l2_dv_timings hdpvr_dv_timings[] = {
42 V4L2_DV_BT_CEA_720X480I59_94,
43 V4L2_DV_BT_CEA_720X576I50,
44 V4L2_DV_BT_CEA_720X480P59_94,
45 V4L2_DV_BT_CEA_720X576P50,
46 V4L2_DV_BT_CEA_1280X720P50,
47 V4L2_DV_BT_CEA_1280X720P60,
48 V4L2_DV_BT_CEA_1920X1080I50,
49 V4L2_DV_BT_CEA_1920X1080I60,
50};
51
52/* Use 480i59 as the default timings */
53#define HDPVR_DEF_DV_TIMINGS_IDX (0)
54
55struct hdpvr_fh {
56 struct v4l2_fh fh;
57 bool legacy_mode;
58};
59
9aba42ef
JG		 60static uint list_size(struct list_head *list)
61{
62 struct list_head *tmp;
63 uint count = 0;
64
65 list_for_each(tmp, list) {
66 count++;
67 }
68
69 return count;
70}
71
72/*=========================================================================*/
73/* urb callback */
74static void hdpvr_read_bulk_callback(struct urb *urb)
75{
76 struct hdpvr_buffer *buf = (struct hdpvr_buffer *)urb->context;
77 struct hdpvr_device *dev = buf->dev;
78
79 /* marking buffer as received and wake waiting */
80 buf->status = BUFSTAT_READY;
81 wake_up_interruptible(&dev->wait_data);
82}
83
84/*=========================================================================*/
85/* bufffer bits */
86
87/* function expects dev->io_mutex to be hold by caller */
88int hdpvr_cancel_queue(struct hdpvr_device *dev)
89{
90 struct hdpvr_buffer *buf;
91
92 list_for_each_entry(buf, &dev->rec_buff_list, buff_list) {
93 usb_kill_urb(buf->urb);
94 buf->status = BUFSTAT_AVAILABLE;
95 }
96
97 list_splice_init(&dev->rec_buff_list, dev->free_buff_list.prev);
98
99 return 0;
100}
101
102static int hdpvr_free_queue(struct list_head *q)
103{
104 struct list_head *tmp;
105 struct list_head *p;
106 struct hdpvr_buffer *buf;
107 struct urb *urb;
108
109 for (p = q->next; p != q;) {
110 buf = list_entry(p, struct hdpvr_buffer, buff_list);
111
112 urb = buf->urb;
997ea58e
DM		 113 usb_free_coherent(urb->dev, urb->transfer_buffer_length,
114 urb->transfer_buffer, urb->transfer_dma);
9aba42ef
JG		 115 usb_free_urb(urb);
116 tmp = p->next;
117 list_del(p);
118 kfree(buf);
119 p = tmp;
120 }
121
122 return 0;
123}
124
125/* function expects dev->io_mutex to be hold by caller */
126int hdpvr_free_buffers(struct hdpvr_device *dev)
127{
128 hdpvr_cancel_queue(dev);
129
130 hdpvr_free_queue(&dev->free_buff_list);
131 hdpvr_free_queue(&dev->rec_buff_list);
132
133 return 0;
134}
135
136/* function expects dev->io_mutex to be hold by caller */
137int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count)
138{
139 uint i;
140 int retval = -ENOMEM;
141 u8 *mem;
142 struct hdpvr_buffer *buf;
143 struct urb *urb;
144
9ef77adf 145 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
9aba42ef
JG		 146 "allocating %u buffers\n", count);
147
148 for (i = 0; i < count; i++) {
149
150 buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL);
151 if (!buf) {
9ef77adf 152 v4l2_err(&dev->v4l2_dev, "cannot allocate buffer\n");
9aba42ef
JG		 153 goto exit;
154 }
155 buf->dev = dev;
156
157 urb = usb_alloc_urb(0, GFP_KERNEL);
158 if (!urb) {
9ef77adf 159 v4l2_err(&dev->v4l2_dev, "cannot allocate urb\n");
cd0e280f 160 goto exit_urb;
9aba42ef
JG		 161 }
162 buf->urb = urb;
163
997ea58e
DM		 164 mem = usb_alloc_coherent(dev->udev, dev->bulk_in_size, GFP_KERNEL,
165 &urb->transfer_dma);
9aba42ef 166 if (!mem) {
9ef77adf
JG		 167 v4l2_err(&dev->v4l2_dev,
168 "cannot allocate usb transfer buffer\n");
cd0e280f 169 goto exit_urb_buffer;
9aba42ef
JG		 170 }
171
172 usb_fill_bulk_urb(buf->urb, dev->udev,
173 usb_rcvbulkpipe(dev->udev,
174 dev->bulk_in_endpointAddr),
175 mem, dev->bulk_in_size,
176 hdpvr_read_bulk_callback, buf);
177
4f5c933a 178 buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
9aba42ef
JG		 179 buf->status = BUFSTAT_AVAILABLE;
180 list_add_tail(&buf->buff_list, &dev->free_buff_list);
181 }
182 return 0;
cd0e280f
JL		 183exit_urb_buffer:
184 usb_free_urb(urb);
185exit_urb:
186 kfree(buf);
9aba42ef
JG		 187exit:
188 hdpvr_free_buffers(dev);
189 return retval;
190}
191
192static int hdpvr_submit_buffers(struct hdpvr_device *dev)
193{
194 struct hdpvr_buffer *buf;
195 struct urb *urb;
196 int ret = 0, err_count = 0;
197
198 mutex_lock(&dev->io_mutex);
199
200 while (dev->status == STATUS_STREAMING &&
201 !list_empty(&dev->free_buff_list)) {
202
203 buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer,
204 buff_list);
205 if (buf->status != BUFSTAT_AVAILABLE) {
9ef77adf 206 v4l2_err(&dev->v4l2_dev,
4b512d26 207 "buffer not marked as available\n");
9aba42ef
JG		 208 ret = -EFAULT;
209 goto err;
210 }
211
212 urb = buf->urb;
213 urb->status = 0;
214 urb->actual_length = 0;
215 ret = usb_submit_urb(urb, GFP_KERNEL);
216 if (ret) {
9ef77adf
JG		 217 v4l2_err(&dev->v4l2_dev,
218 "usb_submit_urb in %s returned %d\n",
219 __func__, ret);
9aba42ef
JG		 220 if (++err_count > 2)
221 break;
222 continue;
223 }
224 buf->status = BUFSTAT_INPROGRESS;
225 list_move_tail(&buf->buff_list, &dev->rec_buff_list);
226 }
227err:
d211bfcb 228 print_buffer_status();
9aba42ef
JG		 229 mutex_unlock(&dev->io_mutex);
230 return ret;
231}
232
233static struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev)
234{
235 struct hdpvr_buffer *buf;
236
237 mutex_lock(&dev->io_mutex);
238
239 if (list_empty(&dev->rec_buff_list)) {
240 mutex_unlock(&dev->io_mutex);
241 return NULL;
242 }
243
244 buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer,
245 buff_list);
246 mutex_unlock(&dev->io_mutex);
247
248 return buf;
249}
250
251static void hdpvr_transmit_buffers(struct work_struct *work)
252{
253 struct hdpvr_device *dev = container_of(work, struct hdpvr_device,
254 worker);
255
256 while (dev->status == STATUS_STREAMING) {
257
258 if (hdpvr_submit_buffers(dev)) {
9ef77adf 259 v4l2_err(&dev->v4l2_dev, "couldn't submit buffers\n");
9aba42ef
JG		 260 goto error;
261 }
262 if (wait_event_interruptible(dev->wait_buffer,
263 !list_empty(&dev->free_buff_list) ||
264 dev->status != STATUS_STREAMING))
265 goto error;
266 }
267
9ef77adf 268 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
9aba42ef
JG		 269 "transmit worker exited\n");
270 return;
271error:
9ef77adf 272 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
9aba42ef
JG		 273 "transmit buffers errored\n");
274 dev->status = STATUS_ERROR;
275}
276
277/* function expects dev->io_mutex to be hold by caller */
278static int hdpvr_start_streaming(struct hdpvr_device *dev)
279{
280 int ret;
4d601c4c 281 struct hdpvr_video_info vidinf;
9aba42ef
JG		 282
283 if (dev->status == STATUS_STREAMING)
284 return 0;
79f10b62 285 if (dev->status != STATUS_IDLE)
9aba42ef
JG		 286 return -EAGAIN;
287
4d601c4c 288 ret = get_video_info(dev, &vidinf);
5f454d82
HV		 289 if (ret < 0)
290 return ret;
291
292 if (!vidinf.valid) {
79f10b62
HV		 293 msleep(250);
294 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
295 "no video signal at input %d\n", dev->options.video_input);
296 return -EAGAIN;
297 }
9aba42ef 298
79f10b62
HV		 299 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
300 "video signal: %dx%d@%dhz\n", vidinf.width,
301 vidinf.height, vidinf.fps);
9aba42ef 302
79f10b62
HV		 303 /* start streaming 2 request */
304 ret = usb_control_msg(dev->udev,
305 usb_sndctrlpipe(dev->udev, 0),
306 0xb8, 0x38, 0x1, 0, NULL, 0, 8000);
307 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
308 "encoder start control request returned %d\n", ret);
309 if (ret < 0)
310 return ret;
9aba42ef 311
79f10b62
HV		 312 ret = hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
313 if (ret)
314 return ret;
9aba42ef 315
79f10b62 316 dev->status = STATUS_STREAMING;
afa15953 317
79f10b62
HV		 318 INIT_WORK(&dev->worker, hdpvr_transmit_buffers);
319 queue_work(dev->workqueue, &dev->worker);
9aba42ef 320
79f10b62
HV		 321 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
322 "streaming started\n");
9aba42ef 323
79f10b62 324 return 0;
9aba42ef
JG		 325}
326
327
328/* function expects dev->io_mutex to be hold by caller */
329static int hdpvr_stop_streaming(struct hdpvr_device *dev)
330{
85d682b9
MN		 331 int actual_length;
332 uint c = 0;
7d771ff0
JG		 333 u8 *buf;
334
9aba42ef
JG		 335 if (dev->status == STATUS_IDLE)
336 return 0;
337 else if (dev->status != STATUS_STREAMING)
338 return -EAGAIN;
339
7d771ff0
JG		 340 buf = kmalloc(dev->bulk_in_size, GFP_KERNEL);
341 if (!buf)
342 v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer "
343 "for emptying the internal device buffer. "
344 "Next capture start will be slow\n");
345
9aba42ef
JG		 346 dev->status = STATUS_SHUTTING_DOWN;
347 hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00);
48f98f75 348 mutex_unlock(&dev->io_mutex);
9aba42ef
JG		 349
350 wake_up_interruptible(&dev->wait_buffer);
351 msleep(50);
352
353 flush_workqueue(dev->workqueue);
354
48f98f75 355 mutex_lock(&dev->io_mutex);
9aba42ef
JG		 356 /* kill the still outstanding urbs */
357 hdpvr_cancel_queue(dev);
358
7d771ff0
JG		 359 /* emptying the device buffer beforeshutting it down */
360 while (buf && ++c < 500 &&
361 !usb_bulk_msg(dev->udev,
362 usb_rcvbulkpipe(dev->udev,
363 dev->bulk_in_endpointAddr),
364 buf, dev->bulk_in_size, &actual_length,
365 BULK_URB_TIMEOUT)) {
7d771ff0
JG		 366 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
367 "%2d: got %d bytes\n", c, actual_length);
368 }
369 kfree(buf);
370 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
371 "used %d urbs to empty device buffers\n", c-1);
372 msleep(10);
373
9aba42ef
JG		 374 dev->status = STATUS_IDLE;
375
376 return 0;
377}
378
379
380/*=======================================================================*/
381/*
382 * video 4 linux 2 file operations
383 */
384
3315c59a
HV		 385static int hdpvr_open(struct file *file)
386{
387 struct hdpvr_fh *fh = kzalloc(sizeof(*fh), GFP_KERNEL);
388
389 if (fh == NULL)
390 return -ENOMEM;
391 fh->legacy_mode = true;
392 v4l2_fh_init(&fh->fh, video_devdata(file));
393 v4l2_fh_add(&fh->fh);
394 file->private_data = fh;
395 return 0;
396}
397
9aba42ef
JG		 398static int hdpvr_release(struct file *file)
399{
ede197aa 400 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef 401
9aba42ef 402 mutex_lock(&dev->io_mutex);
ede197aa 403 if (file->private_data == dev->owner) {
9aba42ef 404 hdpvr_stop_streaming(dev);
ede197aa
HV		 405 dev->owner = NULL;
406 }
9aba42ef
JG		 407 mutex_unlock(&dev->io_mutex);
408
ede197aa 409 return v4l2_fh_release(file);
9aba42ef
JG		 410}
411
412/*
413 * hdpvr_v4l2_read()
414 * will allocate buffers when called for the first time
415 */
416static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count,
417 loff_t *pos)
418{
ede197aa 419 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 420 struct hdpvr_buffer *buf = NULL;
421 struct urb *urb;
422 unsigned int ret = 0;
423 int rem, cnt;
424
425 if (*pos)
426 return -ESPIPE;
427
9aba42ef
JG		 428 mutex_lock(&dev->io_mutex);
429 if (dev->status == STATUS_IDLE) {
430 if (hdpvr_start_streaming(dev)) {
9ef77adf
JG		 431 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
432 "start_streaming failed\n");
9aba42ef
JG		 433 ret = -EIO;
434 msleep(200);
435 dev->status = STATUS_IDLE;
436 mutex_unlock(&dev->io_mutex);
437 goto err;
438 }
ede197aa 439 dev->owner = file->private_data;
d211bfcb 440 print_buffer_status();
9aba42ef
JG		 441 }
442 mutex_unlock(&dev->io_mutex);
443
444 /* wait for the first buffer */
445 if (!(file->f_flags & O_NONBLOCK)) {
446 if (wait_event_interruptible(dev->wait_data,
447 hdpvr_get_next_buffer(dev)))
448 return -ERESTARTSYS;
449 }
450
451 buf = hdpvr_get_next_buffer(dev);
452
453 while (count > 0 && buf) {
454
455 if (buf->status != BUFSTAT_READY &&
456 dev->status != STATUS_DISCONNECTED) {
457 /* return nonblocking */
458 if (file->f_flags & O_NONBLOCK) {
459 if (!ret)
460 ret = -EAGAIN;
461 goto err;
462 }
463
464 if (wait_event_interruptible(dev->wait_data,
465 buf->status == BUFSTAT_READY)) {
466 ret = -ERESTARTSYS;
467 goto err;
468 }
469 }
470
471 if (buf->status != BUFSTAT_READY)
472 break;
473
474 /* set remaining bytes to copy */
475 urb = buf->urb;
476 rem = urb->actual_length - buf->pos;
477 cnt = rem > count ? count : rem;
478
479 if (copy_to_user(buffer, urb->transfer_buffer + buf->pos,
480 cnt)) {
9ef77adf 481 v4l2_err(&dev->v4l2_dev, "read: copy_to_user failed\n");
9aba42ef
JG		 482 if (!ret)
483 ret = -EFAULT;
484 goto err;
485 }
486
487 buf->pos += cnt;
488 count -= cnt;
489 buffer += cnt;
490 ret += cnt;
491
492 /* finished, take next buffer */
493 if (buf->pos == urb->actual_length) {
494 mutex_lock(&dev->io_mutex);
495 buf->pos = 0;
496 buf->status = BUFSTAT_AVAILABLE;
497
498 list_move_tail(&buf->buff_list, &dev->free_buff_list);
499
d211bfcb 500 print_buffer_status();
9aba42ef
JG		 501
502 mutex_unlock(&dev->io_mutex);
503
504 wake_up_interruptible(&dev->wait_buffer);
505
506 buf = hdpvr_get_next_buffer(dev);
507 }
508 }
509err:
510 if (!ret && !buf)
511 ret = -EAGAIN;
512 return ret;
513}
514
515static unsigned int hdpvr_poll(struct file *filp, poll_table *wait)
516{
65fe42d6 517 unsigned long req_events = poll_requested_events(wait);
d2ff3ec8 518 struct hdpvr_buffer *buf = NULL;
ede197aa 519 struct hdpvr_device *dev = video_drvdata(filp);
65fe42d6 520 unsigned int mask = v4l2_ctrl_poll(filp, wait);
9aba42ef 521
65fe42d6
HV		 522 if (!(req_events & (POLLIN | POLLRDNORM)))
523 return mask;
9aba42ef 524
65fe42d6 525 mutex_lock(&dev->io_mutex);
9aba42ef
JG		 526
527 if (dev->status == STATUS_IDLE) {
528 if (hdpvr_start_streaming(dev)) {
9ef77adf
JG		 529 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
530 "start_streaming failed\n");
9aba42ef 531 dev->status = STATUS_IDLE;
ede197aa
HV		 532 } else {
533 dev->owner = filp->private_data;
9aba42ef
JG		 534 }
535
d211bfcb 536 print_buffer_status();
9aba42ef
JG		 537 }
538 mutex_unlock(&dev->io_mutex);
539
d2ff3ec8
JG		 540 buf = hdpvr_get_next_buffer(dev);
541 /* only wait if no data is available */
542 if (!buf || buf->status != BUFSTAT_READY) {
543 poll_wait(filp, &dev->wait_data, wait);
544 buf = hdpvr_get_next_buffer(dev);
9aba42ef 545 }
d2ff3ec8
JG		 546 if (buf && buf->status == BUFSTAT_READY)
547 mask |= POLLIN | POLLRDNORM;
9aba42ef
JG		 548
549 return mask;
550}
551
552
9aba42ef
JG		 553static const struct v4l2_file_operations hdpvr_fops = {
554 .owner = THIS_MODULE,
3315c59a 555 .open = hdpvr_open,
9aba42ef
JG		 556 .release = hdpvr_release,
557 .read = hdpvr_read,
558 .poll = hdpvr_poll,
76717b88 559 .unlocked_ioctl = video_ioctl2,
9aba42ef
JG		 560};
561
562/*=======================================================================*/
563/*
564 * V4L2 ioctl handling
565 */
566
567static int vidioc_querycap(struct file *file, void *priv,
568 struct v4l2_capability *cap)
569{
570 struct hdpvr_device *dev = video_drvdata(file);
571
572 strcpy(cap->driver, "hdpvr");
fdd70c33 573 strcpy(cap->card, "Hauppauge HD PVR");
9aba42ef 574 usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
41022fcb
HV		 575 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO |
576 V4L2_CAP_READWRITE;
577 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
9aba42ef
JG		 578 return 0;
579}
580
5854bf88 581static int vidioc_s_std(struct file *file, void *_fh,
314527ac 582 v4l2_std_id std)
9aba42ef 583{
ede197aa 584 struct hdpvr_device *dev = video_drvdata(file);
5854bf88 585 struct hdpvr_fh *fh = _fh;
9aba42ef
JG		 586 u8 std_type = 1;
587
5854bf88 588 if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT)
8f69da95
HV		 589 return -ENODATA;
590 if (dev->status != STATUS_IDLE)
591 return -EBUSY;
592 if (std & V4L2_STD_525_60)
9aba42ef 593 std_type = 0;
8f69da95
HV		 594 dev->cur_std = std;
595 dev->width = 720;
596 dev->height = std_type ? 576 : 480;
9aba42ef
JG		 597
598 return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type);
599}
600
5854bf88 601static int vidioc_g_std(struct file *file, void *_fh,
8f69da95
HV		 602 v4l2_std_id *std)
603{
604 struct hdpvr_device *dev = video_drvdata(file);
5854bf88 605 struct hdpvr_fh *fh = _fh;
8f69da95 606
5854bf88 607 if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT)
8f69da95
HV		 608 return -ENODATA;
609 *std = dev->cur_std;
610 return 0;
611}
612
5854bf88 613static int vidioc_querystd(struct file *file, void *_fh, v4l2_std_id *a)
8f69da95
HV		 614{
615 struct hdpvr_device *dev = video_drvdata(file);
4d601c4c 616 struct hdpvr_video_info vid_info;
5854bf88 617 struct hdpvr_fh *fh = _fh;
4d601c4c 618 int ret;
8f69da95 619
ab6e134a 620 *a = V4L2_STD_UNKNOWN;
5854bf88
HV		 621 if (dev->options.video_input == HDPVR_COMPONENT)
622 return fh->legacy_mode ? 0 : -ENODATA;
4d601c4c 623 ret = get_video_info(dev, &vid_info);
5f454d82 624 if (vid_info.valid && vid_info.width == 720 &&
4d601c4c
LK		 625 (vid_info.height == 480 || vid_info.height == 576)) {
626 *a = (vid_info.height == 480) ?
8f69da95
HV		 627 V4L2_STD_525_60 : V4L2_STD_625_50;
628 }
5f454d82 629 return ret;
8f69da95
HV		 630}
631
3315c59a
HV		 632static int vidioc_s_dv_timings(struct file *file, void *_fh,
633 struct v4l2_dv_timings *timings)
634{
635 struct hdpvr_device *dev = video_drvdata(file);
636 struct hdpvr_fh *fh = _fh;
637 int i;
638
639 fh->legacy_mode = false;
640 if (dev->options.video_input)
641 return -ENODATA;
642 if (dev->status != STATUS_IDLE)
643 return -EBUSY;
644 for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++)
645 if (v4l_match_dv_timings(timings, hdpvr_dv_timings + i, 0))
646 break;
647 if (i == ARRAY_SIZE(hdpvr_dv_timings))
648 return -EINVAL;
649 dev->cur_dv_timings = hdpvr_dv_timings[i];
650 dev->width = hdpvr_dv_timings[i].bt.width;
651 dev->height = hdpvr_dv_timings[i].bt.height;
652 return 0;
653}
654
655static int vidioc_g_dv_timings(struct file *file, void *_fh,
656 struct v4l2_dv_timings *timings)
657{
658 struct hdpvr_device *dev = video_drvdata(file);
659 struct hdpvr_fh *fh = _fh;
660
661 fh->legacy_mode = false;
662 if (dev->options.video_input)
663 return -ENODATA;
664 *timings = dev->cur_dv_timings;
665 return 0;
666}
667
668static int vidioc_query_dv_timings(struct file *file, void *_fh,
669 struct v4l2_dv_timings *timings)
670{
671 struct hdpvr_device *dev = video_drvdata(file);
672 struct hdpvr_fh *fh = _fh;
4d601c4c 673 struct hdpvr_video_info vid_info;
3315c59a
HV		 674 bool interlaced;
675 int ret = 0;
676 int i;
677
678 fh->legacy_mode = false;
679 if (dev->options.video_input)
680 return -ENODATA;
4d601c4c
LK		 681 ret = get_video_info(dev, &vid_info);
682 if (ret)
5f454d82
HV		 683 return ret;
684 if (!vid_info.valid)
3315c59a 685 return -ENOLCK;
4d601c4c 686 interlaced = vid_info.fps <= 30;
3315c59a
HV		 687 for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) {
688 const struct v4l2_bt_timings *bt = &hdpvr_dv_timings[i].bt;
689 unsigned hsize;
690 unsigned vsize;
691 unsigned fps;
692
693 hsize = bt->hfrontporch + bt->hsync + bt->hbackporch + bt->width;
694 vsize = bt->vfrontporch + bt->vsync + bt->vbackporch +
695 bt->il_vfrontporch + bt->il_vsync + bt->il_vbackporch +
696 bt->height;
697 fps = (unsigned)bt->pixelclock / (hsize * vsize);
4d601c4c
LK		 698 if (bt->width != vid_info.width ||
699 bt->height != vid_info.height ||
3315c59a 700 bt->interlaced != interlaced ||
4d601c4c 701 (fps != vid_info.fps && fps + 1 != vid_info.fps))
3315c59a
HV		 702 continue;
703 *timings = hdpvr_dv_timings[i];
704 break;
705 }
706 if (i == ARRAY_SIZE(hdpvr_dv_timings))
707 ret = -ERANGE;
4d601c4c 708
3315c59a
HV		 709 return ret;
710}
711
712static int vidioc_enum_dv_timings(struct file *file, void *_fh,
713 struct v4l2_enum_dv_timings *timings)
714{
715 struct hdpvr_device *dev = video_drvdata(file);
716 struct hdpvr_fh *fh = _fh;
717
718 fh->legacy_mode = false;
719 memset(timings->reserved, 0, sizeof(timings->reserved));
720 if (dev->options.video_input)
721 return -ENODATA;
722 if (timings->index >= ARRAY_SIZE(hdpvr_dv_timings))
723 return -EINVAL;
724 timings->timings = hdpvr_dv_timings[timings->index];
725 return 0;
726}
727
728static int vidioc_dv_timings_cap(struct file *file, void *_fh,
729 struct v4l2_dv_timings_cap *cap)
730{
731 struct hdpvr_device *dev = video_drvdata(file);
732 struct hdpvr_fh *fh = _fh;
733
734 fh->legacy_mode = false;
735 if (dev->options.video_input)
736 return -ENODATA;
737 cap->type = V4L2_DV_BT_656_1120;
738 cap->bt.min_width = 720;
739 cap->bt.max_width = 1920;
740 cap->bt.min_height = 480;
741 cap->bt.max_height = 1080;
742 cap->bt.min_pixelclock = 27000000;
743 cap->bt.max_pixelclock = 74250000;
744 cap->bt.standards = V4L2_DV_BT_STD_CEA861;
745 cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED | V4L2_DV_BT_CAP_PROGRESSIVE;
746 return 0;
747}
748
9aba42ef
JG		 749static const char *iname[] = {
750 [HDPVR_COMPONENT] = "Component",
751 [HDPVR_SVIDEO] = "S-Video",
752 [HDPVR_COMPOSITE] = "Composite",
753};
754
5854bf88 755static int vidioc_enum_input(struct file *file, void *_fh, struct v4l2_input *i)
9aba42ef 756{
9aba42ef
JG		 757 unsigned int n;
758
759 n = i->index;
760 if (n >= HDPVR_VIDEO_INPUTS)
761 return -EINVAL;
762
763 i->type = V4L2_INPUT_TYPE_CAMERA;
764
765 strncpy(i->name, iname[n], sizeof(i->name) - 1);
766 i->name[sizeof(i->name) - 1] = '\0';
767
768 i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF;
769
8f69da95
HV		 770 i->capabilities = n ? V4L2_IN_CAP_STD : V4L2_IN_CAP_DV_TIMINGS;
771 i->std = n ? V4L2_STD_ALL : 0;
9aba42ef
JG		 772
773 return 0;
774}
775
5854bf88 776static int vidioc_s_input(struct file *file, void *_fh,
9aba42ef
JG		 777 unsigned int index)
778{
ede197aa 779 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 780 int retval;
781
782 if (index >= HDPVR_VIDEO_INPUTS)
783 return -EINVAL;
784
785 if (dev->status != STATUS_IDLE)
97caa318 786 return -EBUSY;
9aba42ef
JG		 787
788 retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1);
8f69da95 789 if (!retval) {
9aba42ef 790 dev->options.video_input = index;
5854bf88
HV		 791 /*
792 * Unfortunately gstreamer calls ENUMSTD and bails out if it
793 * won't find any formats, even though component input is
794 * selected. This means that we have to leave tvnorms at
795 * V4L2_STD_ALL. We cannot use the 'legacy' trick since
796 * tvnorms is set at the device node level and not at the
797 * filehandle level.
798 *
799 * Comment this out for now, but if the legacy mode can be
800 * removed in the future, then this code should be enabled
801 * again.
8f69da95 802 dev->video_dev->tvnorms =
5854bf88
HV		 803 (index != HDPVR_COMPONENT) ? V4L2_STD_ALL : 0;
804 */
8f69da95 805 }
9aba42ef
JG		 806
807 return retval;
808}
809
810static int vidioc_g_input(struct file *file, void *private_data,
811 unsigned int *index)
812{
ede197aa 813 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 814
815 *index = dev->options.video_input;
816 return 0;
817}
818
819
820static const char *audio_iname[] = {
821 [HDPVR_RCA_FRONT] = "RCA front",
822 [HDPVR_RCA_BACK] = "RCA back",
823 [HDPVR_SPDIF] = "SPDIF",
824};
825
826static int vidioc_enumaudio(struct file *file, void *priv,
827 struct v4l2_audio *audio)
828{
829 unsigned int n;
830
831 n = audio->index;
832 if (n >= HDPVR_AUDIO_INPUTS)
833 return -EINVAL;
834
835 audio->capability = V4L2_AUDCAP_STEREO;
836
837 strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1);
838 audio->name[sizeof(audio->name) - 1] = '\0';
839
840 return 0;
841}
842
843static int vidioc_s_audio(struct file *file, void *private_data,
0e8025b9 844 const struct v4l2_audio *audio)
9aba42ef 845{
ede197aa 846 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 847 int retval;
848
849 if (audio->index >= HDPVR_AUDIO_INPUTS)
850 return -EINVAL;
851
852 if (dev->status != STATUS_IDLE)
97caa318 853 return -EBUSY;
9aba42ef
JG		 854
855 retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec);
856 if (!retval)
857 dev->options.audio_input = audio->index;
858
859 return retval;
860}
861
862static int vidioc_g_audio(struct file *file, void *private_data,
863 struct v4l2_audio *audio)
864{
ede197aa 865 struct hdpvr_device *dev = video_drvdata(file);
9aba42ef
JG		 866
867 audio->index = dev->options.audio_input;
868 audio->capability = V4L2_AUDCAP_STEREO;
869 strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name));
870 audio->name[sizeof(audio->name) - 1] = '\0';
871 return 0;
872}
873
99c77aa4 874static 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 890static 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
HV		 930 opt->audio_codec = ctrl->val;
931 return hdpvr_set_audio(dev, opt->audio_input,
9aba42ef
JG		 932 opt->audio_codec);
933 }
99c77aa4 934 return 0;
9aba42ef 935 case V4L2_CID_MPEG_VIDEO_ENCODING:
99c77aa4 936 return 0;
9aba42ef
JG		 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		 980static 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;
987 strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32);
988 f->pixelformat = V4L2_PIX_FMT_MPEG;
989
990 return 0;
991}
992
3315c59a 993static int vidioc_g_fmt_vid_cap(struct file *file, void *_fh,
9aba42ef
JG		 994 struct v4l2_format *f)
995{
ede197aa 996 struct hdpvr_device *dev = video_drvdata(file);
3315c59a 997 struct hdpvr_fh *fh = _fh;
4d601c4c 998 int ret;
3315c59a
HV		 999
1000 /*
1001 * The original driver would always returns the current detected
1002 * resolution as the format (and EFAULT if it couldn't be detected).
1003 * With the introduction of VIDIOC_QUERY_DV_TIMINGS there is now a
1004 * better way of doing this, but to stay compatible with existing
1005 * applications we assume legacy mode every time an application opens
1006 * the device. Only if one of the new DV_TIMINGS ioctls is called
1007 * will the filehandle go into 'normal' mode where g_fmt returns the
1008 * last set format.
1009 */
1010 if (fh->legacy_mode) {
4d601c4c 1011 struct hdpvr_video_info vid_info;
3315c59a 1012
4d601c4c 1013 ret = get_video_info(dev, &vid_info);
5f454d82
HV		 1014 if (ret < 0)
1015 return ret;
1016 if (!vid_info.valid)
3315c59a 1017 return -EFAULT;
4d601c4c
LK		 1018 f->fmt.pix.width = vid_info.width;
1019 f->fmt.pix.height = vid_info.height;
3315c59a
HV		 1020 } else {
1021 f->fmt.pix.width = dev->width;
1022 f->fmt.pix.height = dev->height;
1023 }
9aba42ef 1024 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
9aba42ef 1025 f->fmt.pix.sizeimage = dev->bulk_in_size;
9aba42ef 1026 f->fmt.pix.bytesperline = 0;
3315c59a
HV		 1027 f->fmt.pix.priv = 0;
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 */
1034 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE240M;
1035 f->fmt.pix.field = V4L2_FIELD_NONE;
1036 }
9aba42ef
JG		 1037 return 0;
1038}
1039
76717b88
JG		 1040static 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
1085static 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
1098static 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
1125static void hdpvr_device_release(struct video_device *vdev)
1126{
1127 struct hdpvr_device *dev = video_get_drvdata(vdev);
1128
1129 hdpvr_delete(dev);
f2b305cd
HV		 1130 mutex_lock(&dev->io_mutex);
1131 destroy_workqueue(dev->workqueue);
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
1148static const struct video_device hdpvr_video_template = {
9aba42ef
JG		 1149 .fops = &hdpvr_fops,
1150 .release = hdpvr_device_release,
1151 .ioctl_ops = &hdpvr_ioctl_ops,
5854bf88 1152 .tvnorms = V4L2_STD_ALL,
9aba42ef
JG		 1153};
1154
99c77aa4
HV		 1155static const struct v4l2_ctrl_ops hdpvr_ctrl_ops = {
1156 .try_ctrl = hdpvr_try_ctrl,
1157 .s_ctrl = hdpvr_s_ctrl,
1158};
1159
a50ab291
JG		 1160int 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,
1203 0x7, V4L2_MPEG_AUDIO_ENCODING_AAC);
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
JG		 1233 /* setup and register video device */
1234 dev->video_dev = video_device_alloc();
1235 if (!dev->video_dev) {
9ef77adf 1236 v4l2_err(&dev->v4l2_dev, "video_device_alloc() failed\n");
99c77aa4 1237 res = -ENOMEM;
9aba42ef
JG		 1238 goto error;
1239 }
1240
ede197aa 1241 *dev->video_dev = hdpvr_video_template;
9aba42ef 1242 strcpy(dev->video_dev->name, "Hauppauge HD PVR");
ede197aa 1243 dev->video_dev->v4l2_dev = &dev->v4l2_dev;
9aba42ef 1244 video_set_drvdata(dev->video_dev, dev);
65fe42d6 1245 set_bit(V4L2_FL_USE_FH_PRIO, &dev->video_dev->flags);
9aba42ef 1246
99c77aa4
HV		 1247 res = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum);
1248 if (res < 0) {
9ef77adf 1249 v4l2_err(&dev->v4l2_dev, "video_device registration failed\n");
9aba42ef
JG		 1250 goto error;
1251 }
1252
1253 return 0;
1254error:
99c77aa4
HV		 1255 v4l2_ctrl_handler_free(hdl);
1256 return res;
9aba42ef 1257}
Linux kernel - Deliverables
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