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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / media / video / cx25821 / cx25821-video.c
blobffd8bc79c02e61358a48d89eab07f2d35cad450c
1 /*
2 * Driver for the Conexant CX25821 PCIe bridge
3 *
4 * Copyright (C) 2009 Conexant Systems Inc.
5 * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
6 * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
7 * Parts adapted/taken from Eduardo Moscoso Rubino
8 * Copyright (C) 2009 Eduardo Moscoso Rubino <moscoso@TopoLogica.com>
9 *
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 *
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 */
26
27 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
28
29 #include "cx25821-video.h"
30
31 MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards");
32 MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>");
33 MODULE_LICENSE("GPL");
34
35 static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
36 static unsigned int radio_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
37
38 module_param_array(video_nr, int, NULL, 0444);
39 module_param_array(radio_nr, int, NULL, 0444);
40
41 MODULE_PARM_DESC(video_nr, "video device numbers");
42 MODULE_PARM_DESC(radio_nr, "radio device numbers");
43
44 static unsigned int video_debug = VIDEO_DEBUG;
45 module_param(video_debug, int, 0644);
46 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
47
48 static unsigned int irq_debug;
49 module_param(irq_debug, int, 0644);
50 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
51
52 unsigned int vid_limit = 16;
53 module_param(vid_limit, int, 0644);
54 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
55
56 static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num);
57
58 static const struct v4l2_file_operations video_fops;
59 static const struct v4l2_ioctl_ops video_ioctl_ops;
60
61 #define FORMAT_FLAGS_PACKED 0x01
62
63 struct cx25821_fmt formats[] = {
64 {
65 .name = "8 bpp, gray",
66 .fourcc = V4L2_PIX_FMT_GREY,
67 .depth = 8,
68 .flags = FORMAT_FLAGS_PACKED,
69 }, {
70 .name = "4:1:1, packed, Y41P",
71 .fourcc = V4L2_PIX_FMT_Y41P,
72 .depth = 12,
73 .flags = FORMAT_FLAGS_PACKED,
74 }, {
75 .name = "4:2:2, packed, YUYV",
76 .fourcc = V4L2_PIX_FMT_YUYV,
77 .depth = 16,
78 .flags = FORMAT_FLAGS_PACKED,
79 }, {
80 .name = "4:2:2, packed, UYVY",
81 .fourcc = V4L2_PIX_FMT_UYVY,
82 .depth = 16,
83 .flags = FORMAT_FLAGS_PACKED,
84 }, {
85 .name = "4:2:0, YUV",
86 .fourcc = V4L2_PIX_FMT_YUV420,
87 .depth = 12,
88 .flags = FORMAT_FLAGS_PACKED,
89 },
90 };
91
92 int cx25821_get_format_size(void)
93 {
94 return ARRAY_SIZE(formats);
95 }
96
97 struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc)
98 {
99 unsigned int i;
100
101 if (fourcc == V4L2_PIX_FMT_Y41P || fourcc == V4L2_PIX_FMT_YUV411P)
102 return formats + 1;
103
104 for (i = 0; i < ARRAY_SIZE(formats); i++)
105 if (formats[i].fourcc == fourcc)
106 return formats + i;
107
108 pr_err("%s(0x%08x) NOT FOUND\n", __func__, fourcc);
109 return NULL;
110 }
111
112 void cx25821_dump_video_queue(struct cx25821_dev *dev,
113 struct cx25821_dmaqueue *q)
114 {
115 struct cx25821_buffer *buf;
116 struct list_head *item;
117 dprintk(1, "%s()\n", __func__);
118
119 if (!list_empty(&q->active)) {
120 list_for_each(item, &q->active)
121 buf = list_entry(item, struct cx25821_buffer, vb.queue);
122 }
123
124 if (!list_empty(&q->queued)) {
125 list_for_each(item, &q->queued)
126 buf = list_entry(item, struct cx25821_buffer, vb.queue);
127 }
128
129 }
130
131 void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q,
132 u32 count)
133 {
134 struct cx25821_buffer *buf;
135 int bc;
136
137 for (bc = 0;; bc++) {
138 if (list_empty(&q->active)) {
139 dprintk(1, "bc=%d (=0: active empty)\n", bc);
140 break;
141 }
142
143 buf = list_entry(q->active.next, struct cx25821_buffer,
144 vb.queue);
145
146 /* count comes from the hw and it is 16bit wide --
147 * this trick handles wrap-arounds correctly for
148 * up to 32767 buffers in flight... */
149 if ((s16) (count - buf->count) < 0)
150 break;
151
152 do_gettimeofday(&buf->vb.ts);
153 buf->vb.state = VIDEOBUF_DONE;
154 list_del(&buf->vb.queue);
155 wake_up(&buf->vb.done);
156 }
157
158 if (list_empty(&q->active))
159 del_timer(&q->timeout);
160 else
161 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
162 if (bc != 1)
163 pr_err("%s: %d buffers handled (should be 1)\n", __func__, bc);
164 }
165
166 #ifdef TUNER_FLAG
167 int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm)
168 {
169 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
170 __func__, (unsigned int)norm, v4l2_norm_to_name(norm));
171
172 dev->tvnorm = norm;
173
174 /* Tell the internal A/V decoder */
175 cx25821_call_all(dev, core, s_std, norm);
176
177 return 0;
178 }
179 #endif
180
181 struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
182 struct pci_dev *pci,
183 struct video_device *template,
184 char *type)
185 {
186 struct video_device *vfd;
187 dprintk(1, "%s()\n", __func__);
188
189 vfd = video_device_alloc();
190 if (NULL == vfd)
191 return NULL;
192 *vfd = *template;
193 vfd->v4l2_dev = &dev->v4l2_dev;
194 vfd->release = video_device_release;
195 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type,
196 cx25821_boards[dev->board].name);
197 video_set_drvdata(vfd, dev);
198 return vfd;
199 }
200
201 /*
202 static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl)
203 {
204 int i;
205
206 if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1)
207 return -EINVAL;
208 for (i = 0; i < CX25821_CTLS; i++)
209 if (cx25821_ctls[i].v.id == qctrl->id)
210 break;
211 if (i == CX25821_CTLS) {
212 *qctrl = no_ctl;
213 return 0;
214 }
215 *qctrl = cx25821_ctls[i].v;
216 return 0;
217 }
218 */
219
220 /* resource management */
221 int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
222 unsigned int bit)
223 {
224 dprintk(1, "%s()\n", __func__);
225 if (fh->resources & bit)
226 /* have it already allocated */
227 return 1;
228
229 /* is it free? */
230 mutex_lock(&dev->lock);
231 if (dev->channels[fh->channel_id].resources & bit) {
232 /* no, someone else uses it */
233 mutex_unlock(&dev->lock);
234 return 0;
235 }
236 /* it's free, grab it */
237 fh->resources |= bit;
238 dev->channels[fh->channel_id].resources |= bit;
239 dprintk(1, "res: get %d\n", bit);
240 mutex_unlock(&dev->lock);
241 return 1;
242 }
243
244 int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit)
245 {
246 return fh->resources & bit;
247 }
248
249 int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit)
250 {
251 return fh->dev->channels[fh->channel_id].resources & bit;
252 }
253
254 void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
255 unsigned int bits)
256 {
257 BUG_ON((fh->resources & bits) != bits);
258 dprintk(1, "%s()\n", __func__);
259
260 mutex_lock(&dev->lock);
261 fh->resources &= ~bits;
262 dev->channels[fh->channel_id].resources &= ~bits;
263 dprintk(1, "res: put %d\n", bits);
264 mutex_unlock(&dev->lock);
265 }
266
267 int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input)
268 {
269 struct v4l2_routing route;
270 memset(&route, 0, sizeof(route));
271
272 dprintk(1, "%s(): video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
273 __func__, input, INPUT(input)->vmux, INPUT(input)->gpio0,
274 INPUT(input)->gpio1, INPUT(input)->gpio2, INPUT(input)->gpio3);
275 dev->input = input;
276
277 route.input = INPUT(input)->vmux;
278
279 /* Tell the internal A/V decoder */
280 cx25821_call_all(dev, video, s_routing, INPUT(input)->vmux, 0, 0);
281
282 return 0;
283 }
284
285 int cx25821_start_video_dma(struct cx25821_dev *dev,
286 struct cx25821_dmaqueue *q,
287 struct cx25821_buffer *buf,
288 struct sram_channel *channel)
289 {
290 int tmp = 0;
291
292 /* setup fifo + format */
293 cx25821_sram_channel_setup(dev, channel, buf->bpl, buf->risc.dma);
294
295 /* reset counter */
296 cx_write(channel->gpcnt_ctl, 3);
297 q->count = 1;
298
299 /* enable irq */
300 cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << channel->i));
301 cx_set(channel->int_msk, 0x11);
302
303 /* start dma */
304 cx_write(channel->dma_ctl, 0x11); /* FIFO and RISC enable */
305
306 /* make sure upstream setting if any is reversed */
307 tmp = cx_read(VID_CH_MODE_SEL);
308 cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00);
309
310 return 0;
311 }
312
313 int cx25821_restart_video_queue(struct cx25821_dev *dev,
314 struct cx25821_dmaqueue *q,
315 struct sram_channel *channel)
316 {
317 struct cx25821_buffer *buf, *prev;
318 struct list_head *item;
319
320 if (!list_empty(&q->active)) {
321 buf = list_entry(q->active.next, struct cx25821_buffer,
322 vb.queue);
323
324 cx25821_start_video_dma(dev, q, buf, channel);
325
326 list_for_each(item, &q->active) {
327 buf = list_entry(item, struct cx25821_buffer, vb.queue);
328 buf->count = q->count++;
329 }
330
331 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
332 return 0;
333 }
334
335 prev = NULL;
336 for (;;) {
337 if (list_empty(&q->queued))
338 return 0;
339
340 buf = list_entry(q->queued.next, struct cx25821_buffer,
341 vb.queue);
342
343 if (NULL == prev) {
344 list_move_tail(&buf->vb.queue, &q->active);
345 cx25821_start_video_dma(dev, q, buf, channel);
346 buf->vb.state = VIDEOBUF_ACTIVE;
347 buf->count = q->count++;
348 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
349 } else if (prev->vb.width == buf->vb.width &&
350 prev->vb.height == buf->vb.height &&
351 prev->fmt == buf->fmt) {
352 list_move_tail(&buf->vb.queue, &q->active);
353 buf->vb.state = VIDEOBUF_ACTIVE;
354 buf->count = q->count++;
355 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
356 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
357 } else {
358 return 0;
359 }
360 prev = buf;
361 }
362 }
363
364 void cx25821_vid_timeout(unsigned long data)
365 {
366 struct cx25821_data *timeout_data = (struct cx25821_data *)data;
367 struct cx25821_dev *dev = timeout_data->dev;
368 struct sram_channel *channel = timeout_data->channel;
369 struct cx25821_dmaqueue *q = &dev->channels[channel->i].vidq;
370 struct cx25821_buffer *buf;
371 unsigned long flags;
372
373 /* cx25821_sram_channel_dump(dev, channel); */
374 cx_clear(channel->dma_ctl, 0x11);
375
376 spin_lock_irqsave(&dev->slock, flags);
377 while (!list_empty(&q->active)) {
378 buf = list_entry(q->active.next, struct cx25821_buffer,
379 vb.queue);
380 list_del(&buf->vb.queue);
381
382 buf->vb.state = VIDEOBUF_ERROR;
383 wake_up(&buf->vb.done);
384 }
385
386 cx25821_restart_video_queue(dev, q, channel);
387 spin_unlock_irqrestore(&dev->slock, flags);
388 }
389
390 int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
391 {
392 u32 count = 0;
393 int handled = 0;
394 u32 mask;
395 struct sram_channel *channel = dev->channels[chan_num].sram_channels;
396
397 mask = cx_read(channel->int_msk);
398 if (0 == (status & mask))
399 return handled;
400
401 cx_write(channel->int_stat, status);
402
403 /* risc op code error */
404 if (status & (1 << 16)) {
405 pr_warn("%s, %s: video risc op code error\n",
406 dev->name, channel->name);
407 cx_clear(channel->dma_ctl, 0x11);
408 cx25821_sram_channel_dump(dev, channel);
409 }
410
411 /* risc1 y */
412 if (status & FLD_VID_DST_RISC1) {
413 spin_lock(&dev->slock);
414 count = cx_read(channel->gpcnt);
415 cx25821_video_wakeup(dev, &dev->channels[channel->i].vidq,
416 count);
417 spin_unlock(&dev->slock);
418 handled++;
419 }
420
421 /* risc2 y */
422 if (status & 0x10) {
423 dprintk(2, "stopper video\n");
424 spin_lock(&dev->slock);
425 cx25821_restart_video_queue(dev,
426 &dev->channels[channel->i].vidq, channel);
427 spin_unlock(&dev->slock);
428 handled++;
429 }
430 return handled;
431 }
432
433 void cx25821_videoioctl_unregister(struct cx25821_dev *dev)
434 {
435 if (dev->ioctl_dev) {
436 if (video_is_registered(dev->ioctl_dev))
437 video_unregister_device(dev->ioctl_dev);
438 else
439 video_device_release(dev->ioctl_dev);
440
441 dev->ioctl_dev = NULL;
442 }
443 }
444
445 void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num)
446 {
447 cx_clear(PCI_INT_MSK, 1);
448
449 if (dev->channels[chan_num].video_dev) {
450 if (video_is_registered(dev->channels[chan_num].video_dev))
451 video_unregister_device(
452 dev->channels[chan_num].video_dev);
453 else
454 video_device_release(
455 dev->channels[chan_num].video_dev);
456
457 dev->channels[chan_num].video_dev = NULL;
458
459 btcx_riscmem_free(dev->pci,
460 &dev->channels[chan_num].vidq.stopper);
461
462 pr_warn("device %d released!\n", chan_num);
463 }
464
465 }
466
467 int cx25821_video_register(struct cx25821_dev *dev)
468 {
469 int err;
470 int i;
471
472 struct video_device cx25821_video_device = {
473 .name = "cx25821-video",
474 .fops = &video_fops,
475 .minor = -1,
476 .ioctl_ops = &video_ioctl_ops,
477 .tvnorms = CX25821_NORMS,
478 .current_norm = V4L2_STD_NTSC_M,
479 };
480
481 spin_lock_init(&dev->slock);
482
483 for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) {
484 cx25821_init_controls(dev, i);
485
486 cx25821_risc_stopper(dev->pci, &dev->channels[i].vidq.stopper,
487 dev->channels[i].sram_channels->dma_ctl, 0x11, 0);
488
489 dev->channels[i].sram_channels = &cx25821_sram_channels[i];
490 dev->channels[i].video_dev = NULL;
491 dev->channels[i].resources = 0;
492
493 cx_write(dev->channels[i].sram_channels->int_stat, 0xffffffff);
494
495 INIT_LIST_HEAD(&dev->channels[i].vidq.active);
496 INIT_LIST_HEAD(&dev->channels[i].vidq.queued);
497
498 dev->channels[i].timeout_data.dev = dev;
499 dev->channels[i].timeout_data.channel =
500 &cx25821_sram_channels[i];
501 dev->channels[i].vidq.timeout.function = cx25821_vid_timeout;
502 dev->channels[i].vidq.timeout.data =
503 (unsigned long)&dev->channels[i].timeout_data;
504 init_timer(&dev->channels[i].vidq.timeout);
505
506 /* register v4l devices */
507 dev->channels[i].video_dev = cx25821_vdev_init(dev, dev->pci,
508 &cx25821_video_device, "video");
509
510 err = video_register_device(dev->channels[i].video_dev,
511 VFL_TYPE_GRABBER, video_nr[dev->nr]);
512
513 if (err < 0)
514 goto fail_unreg;
515
516 }
517
518 /* set PCI interrupt */
519 cx_set(PCI_INT_MSK, 0xff);
520
521 /* initial device configuration */
522 mutex_lock(&dev->lock);
523 #ifdef TUNER_FLAG
524 dev->tvnorm = cx25821_video_device.current_norm;
525 cx25821_set_tvnorm(dev, dev->tvnorm);
526 #endif
527 mutex_unlock(&dev->lock);
528
529 return 0;
530
531 fail_unreg:
532 cx25821_video_unregister(dev, i);
533 return err;
534 }
535
536 int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
537 unsigned int *size)
538 {
539 struct cx25821_fh *fh = q->priv_data;
540
541 *size = fh->fmt->depth * fh->width * fh->height >> 3;
542
543 if (0 == *count)
544 *count = 32;
545
546 if (*size * *count > vid_limit * 1024 * 1024)
547 *count = (vid_limit * 1024 * 1024) / *size;
548
549 return 0;
550 }
551
552 int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
553 enum v4l2_field field)
554 {
555 struct cx25821_fh *fh = q->priv_data;
556 struct cx25821_dev *dev = fh->dev;
557 struct cx25821_buffer *buf =
558 container_of(vb, struct cx25821_buffer, vb);
559 int rc, init_buffer = 0;
560 u32 line0_offset, line1_offset;
561 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
562 int bpl_local = LINE_SIZE_D1;
563 int channel_opened = fh->channel_id;
564
565 BUG_ON(NULL == fh->fmt);
566 if (fh->width < 48 || fh->width > 720 ||
567 fh->height < 32 || fh->height > 576)
568 return -EINVAL;
569
570 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
571
572 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
573 return -EINVAL;
574
575 if (buf->fmt != fh->fmt ||
576 buf->vb.width != fh->width ||
577 buf->vb.height != fh->height || buf->vb.field != field) {
578 buf->fmt = fh->fmt;
579 buf->vb.width = fh->width;
580 buf->vb.height = fh->height;
581 buf->vb.field = field;
582 init_buffer = 1;
583 }
584
585 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
586 init_buffer = 1;
587 rc = videobuf_iolock(q, &buf->vb, NULL);
588 if (0 != rc) {
589 printk(KERN_DEBUG pr_fmt("videobuf_iolock failed!\n"));
590 goto fail;
591 }
592 }
593
594 dprintk(1, "init_buffer=%d\n", init_buffer);
595
596 if (init_buffer) {
597
598 channel_opened = dev->channel_opened;
599 if (channel_opened < 0 || channel_opened > 7)
600 channel_opened = 7;
601
602 if (dev->channels[channel_opened].pixel_formats ==
603 PIXEL_FRMT_411)
604 buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3;
605 else
606 buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width);
607
608 if (dev->channels[channel_opened].pixel_formats ==
609 PIXEL_FRMT_411) {
610 bpl_local = buf->bpl;
611 } else {
612 bpl_local = buf->bpl; /* Default */
613
614 if (channel_opened >= 0 && channel_opened <= 7) {
615 if (dev->channels[channel_opened]
616 .use_cif_resolution) {
617 if (dev->tvnorm & V4L2_STD_PAL_BG ||
618 dev->tvnorm & V4L2_STD_PAL_DK)
619 bpl_local = 352 << 1;
620 else
621 bpl_local = dev->channels[
622 channel_opened].
623 cif_width << 1;
624 }
625 }
626 }
627
628 switch (buf->vb.field) {
629 case V4L2_FIELD_TOP:
630 cx25821_risc_buffer(dev->pci, &buf->risc,
631 dma->sglist, 0, UNSET,
632 buf->bpl, 0, buf->vb.height);
633 break;
634 case V4L2_FIELD_BOTTOM:
635 cx25821_risc_buffer(dev->pci, &buf->risc,
636 dma->sglist, UNSET, 0,
637 buf->bpl, 0, buf->vb.height);
638 break;
639 case V4L2_FIELD_INTERLACED:
640 /* All other formats are top field first */
641 line0_offset = 0;
642 line1_offset = buf->bpl;
643 dprintk(1, "top field first\n");
644
645 cx25821_risc_buffer(dev->pci, &buf->risc,
646 dma->sglist, line0_offset,
647 bpl_local, bpl_local, bpl_local,
648 buf->vb.height >> 1);
649 break;
650 case V4L2_FIELD_SEQ_TB:
651 cx25821_risc_buffer(dev->pci, &buf->risc,
652 dma->sglist,
653 0, buf->bpl * (buf->vb.height >> 1),
654 buf->bpl, 0, buf->vb.height >> 1);
655 break;
656 case V4L2_FIELD_SEQ_BT:
657 cx25821_risc_buffer(dev->pci, &buf->risc,
658 dma->sglist,
659 buf->bpl * (buf->vb.height >> 1), 0,
660 buf->bpl, 0, buf->vb.height >> 1);
661 break;
662 default:
663 BUG();
664 }
665 }
666
667 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
668 buf, buf->vb.i, fh->width, fh->height, fh->fmt->depth,
669 fh->fmt->name, (unsigned long)buf->risc.dma);
670
671 buf->vb.state = VIDEOBUF_PREPARED;
672
673 return 0;
674
675 fail:
676 cx25821_free_buffer(q, buf);
677 return rc;
678 }
679
680 void cx25821_buffer_release(struct videobuf_queue *q,
681 struct videobuf_buffer *vb)
682 {
683 struct cx25821_buffer *buf =
684 container_of(vb, struct cx25821_buffer, vb);
685
686 cx25821_free_buffer(q, buf);
687 }
688
689 struct videobuf_queue *get_queue(struct cx25821_fh *fh)
690 {
691 switch (fh->type) {
692 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
693 return &fh->vidq;
694 default:
695 BUG();
696 return NULL;
697 }
698 }
699
700 int cx25821_get_resource(struct cx25821_fh *fh, int resource)
701 {
702 switch (fh->type) {
703 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
704 return resource;
705 default:
706 BUG();
707 return 0;
708 }
709 }
710
711 int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma)
712 {
713 struct cx25821_fh *fh = file->private_data;
714
715 return videobuf_mmap_mapper(get_queue(fh), vma);
716 }
717
718
719 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
720 {
721 struct cx25821_buffer *buf =
722 container_of(vb, struct cx25821_buffer, vb);
723 struct cx25821_buffer *prev;
724 struct cx25821_fh *fh = vq->priv_data;
725 struct cx25821_dev *dev = fh->dev;
726 struct cx25821_dmaqueue *q = &dev->channels[fh->channel_id].vidq;
727
728 /* add jump to stopper */
729 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
730 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
731 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
732
733 dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
734
735 if (!list_empty(&q->queued)) {
736 list_add_tail(&buf->vb.queue, &q->queued);
737 buf->vb.state = VIDEOBUF_QUEUED;
738 dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
739 buf->vb.i);
740
741 } else if (list_empty(&q->active)) {
742 list_add_tail(&buf->vb.queue, &q->active);
743 cx25821_start_video_dma(dev, q, buf,
744 dev->channels[fh->channel_id].sram_channels);
745 buf->vb.state = VIDEOBUF_ACTIVE;
746 buf->count = q->count++;
747 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
748 dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
749 buf, buf->vb.i, buf->count, q->count);
750 } else {
751 prev = list_entry(q->active.prev, struct cx25821_buffer,
752 vb.queue);
753 if (prev->vb.width == buf->vb.width
754 && prev->vb.height == buf->vb.height
755 && prev->fmt == buf->fmt) {
756 list_add_tail(&buf->vb.queue, &q->active);
757 buf->vb.state = VIDEOBUF_ACTIVE;
758 buf->count = q->count++;
759 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
760
761 /* 64 bit bits 63-32 */
762 prev->risc.jmp[2] = cpu_to_le32(0);
763 dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",
764 buf, buf->vb.i, buf->count);
765
766 } else {
767 list_add_tail(&buf->vb.queue, &q->queued);
768 buf->vb.state = VIDEOBUF_QUEUED;
769 dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
770 buf->vb.i);
771 }
772 }
773
774 if (list_empty(&q->active))
775 dprintk(2, "active queue empty!\n");
776 }
777
778 static struct videobuf_queue_ops cx25821_video_qops = {
779 .buf_setup = cx25821_buffer_setup,
780 .buf_prepare = cx25821_buffer_prepare,
781 .buf_queue = buffer_queue,
782 .buf_release = cx25821_buffer_release,
783 };
784
785 static int video_open(struct file *file)
786 {
787 struct video_device *vdev = video_devdata(file);
788 struct cx25821_dev *h, *dev = video_drvdata(file);
789 struct cx25821_fh *fh;
790 struct list_head *list;
791 int minor = video_devdata(file)->minor;
792 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
793 u32 pix_format;
794 int ch_id = 0;
795 int i;
796
797 dprintk(1, "open dev=%s type=%s\n", video_device_node_name(vdev),
798 v4l2_type_names[type]);
799
800 /* allocate + initialize per filehandle data */
801 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
802 if (NULL == fh)
803 return -ENOMEM;
804
805 mutex_lock(&cx25821_devlist_mutex);
806
807 list_for_each(list, &cx25821_devlist)
808 {
809 h = list_entry(list, struct cx25821_dev, devlist);
810
811 for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) {
812 if (h->channels[i].video_dev &&
813 h->channels[i].video_dev->minor == minor) {
814 dev = h;
815 ch_id = i;
816 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
817 }
818 }
819 }
820
821 if (NULL == dev) {
822 mutex_unlock(&cx25821_devlist_mutex);
823 kfree(fh);
824 return -ENODEV;
825 }
826
827 file->private_data = fh;
828 fh->dev = dev;
829 fh->type = type;
830 fh->width = 720;
831 fh->channel_id = ch_id;
832
833 if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
834 fh->height = 576;
835 else
836 fh->height = 480;
837
838 dev->channel_opened = fh->channel_id;
839 if (dev->channels[ch_id].pixel_formats == PIXEL_FRMT_411)
840 pix_format = V4L2_PIX_FMT_Y41P;
841 else
842 pix_format = V4L2_PIX_FMT_YUYV;
843 fh->fmt = cx25821_format_by_fourcc(pix_format);
844
845 v4l2_prio_open(&dev->channels[ch_id].prio, &fh->prio);
846
847 videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, &dev->pci->dev,
848 &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE,
849 V4L2_FIELD_INTERLACED, sizeof(struct cx25821_buffer),
850 fh, NULL);
851
852 dprintk(1, "post videobuf_queue_init()\n");
853 mutex_unlock(&cx25821_devlist_mutex);
854
855 return 0;
856 }
857
858 static ssize_t video_read(struct file *file, char __user * data, size_t count,
859 loff_t *ppos)
860 {
861 struct cx25821_fh *fh = file->private_data;
862
863 switch (fh->type) {
864 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
865 if (cx25821_res_locked(fh, RESOURCE_VIDEO0))
866 return -EBUSY;
867
868 return videobuf_read_one(&fh->vidq, data, count, ppos,
869 file->f_flags & O_NONBLOCK);
870
871 default:
872 BUG();
873 return 0;
874 }
875 }
876
877 static unsigned int video_poll(struct file *file,
878 struct poll_table_struct *wait)
879 {
880 struct cx25821_fh *fh = file->private_data;
881 struct cx25821_buffer *buf;
882
883 if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
884 /* streaming capture */
885 if (list_empty(&fh->vidq.stream))
886 return POLLERR;
887 buf = list_entry(fh->vidq.stream.next,
888 struct cx25821_buffer, vb.stream);
889 } else {
890 /* read() capture */
891 buf = (struct cx25821_buffer *)fh->vidq.read_buf;
892 if (NULL == buf)
893 return POLLERR;
894 }
895
896 poll_wait(file, &buf->vb.done, wait);
897 if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
898 if (buf->vb.state == VIDEOBUF_DONE) {
899 struct cx25821_dev *dev = fh->dev;
900
901 if (dev && dev->channels[fh->channel_id]
902 .use_cif_resolution) {
903 u8 cam_id = *((char *)buf->vb.baddr + 3);
904 memcpy((char *)buf->vb.baddr,
905 (char *)buf->vb.baddr + (fh->width * 2),
906 (fh->width * 2));
907 *((char *)buf->vb.baddr + 3) = cam_id;
908 }
909 }
910
911 return POLLIN | POLLRDNORM;
912 }
913
914 return 0;
915 }
916
917 static int video_release(struct file *file)
918 {
919 struct cx25821_fh *fh = file->private_data;
920 struct cx25821_dev *dev = fh->dev;
921
922 /* stop the risc engine and fifo */
923 cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */
924
925 /* stop video capture */
926 if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
927 videobuf_queue_cancel(&fh->vidq);
928 cx25821_res_free(dev, fh, RESOURCE_VIDEO0);
929 }
930
931 if (fh->vidq.read_buf) {
932 cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
933 kfree(fh->vidq.read_buf);
934 }
935
936 videobuf_mmap_free(&fh->vidq);
937
938 v4l2_prio_close(&dev->channels[fh->channel_id].prio, fh->prio);
939 file->private_data = NULL;
940 kfree(fh);
941
942 return 0;
943 }
944
945 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
946 {
947 struct cx25821_fh *fh = priv;
948 struct cx25821_dev *dev = fh->dev;
949
950 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
951 return -EINVAL;
952
953 if (unlikely(i != fh->type))
954 return -EINVAL;
955
956 if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh,
957 RESOURCE_VIDEO0))))
958 return -EBUSY;
959
960 return videobuf_streamon(get_queue(fh));
961 }
962
963 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
964 {
965 struct cx25821_fh *fh = priv;
966 struct cx25821_dev *dev = fh->dev;
967 int err, res;
968
969 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
970 return -EINVAL;
971 if (i != fh->type)
972 return -EINVAL;
973
974 res = cx25821_get_resource(fh, RESOURCE_VIDEO0);
975 err = videobuf_streamoff(get_queue(fh));
976 if (err < 0)
977 return err;
978 cx25821_res_free(dev, fh, res);
979 return 0;
980 }
981
982 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
983 struct v4l2_format *f)
984 {
985 struct cx25821_fh *fh = priv;
986 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
987 struct v4l2_mbus_framefmt mbus_fmt;
988 int err;
989 int pix_format = PIXEL_FRMT_422;
990
991 if (fh) {
992 err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
993 fh->prio);
994 if (0 != err)
995 return err;
996 }
997
998 dprintk(2, "%s()\n", __func__);
999 err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
1000
1001 if (0 != err)
1002 return err;
1003
1004 fh->fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
1005 fh->vidq.field = f->fmt.pix.field;
1006
1007 /* check if width and height is valid based on set standard */
1008 if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm))
1009 fh->width = f->fmt.pix.width;
1010
1011 if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm))
1012 fh->height = f->fmt.pix.height;
1013
1014 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
1015 pix_format = PIXEL_FRMT_411;
1016 else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
1017 pix_format = PIXEL_FRMT_422;
1018 else
1019 return -EINVAL;
1020
1021 cx25821_set_pixel_format(dev, SRAM_CH00, pix_format);
1022
1023 /* check if cif resolution */
1024 if (fh->width == 320 || fh->width == 352)
1025 dev->channels[fh->channel_id].use_cif_resolution = 1;
1026 else
1027 dev->channels[fh->channel_id].use_cif_resolution = 0;
1028
1029 dev->channels[fh->channel_id].cif_width = fh->width;
1030 medusa_set_resolution(dev, fh->width, SRAM_CH00);
1031
1032 dprintk(2, "%s(): width=%d height=%d field=%d\n", __func__, fh->width,
1033 fh->height, fh->vidq.field);
1034 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1035 cx25821_call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1036
1037 return 0;
1038 }
1039
1040 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
1041 {
1042 int ret_val = 0;
1043 struct cx25821_fh *fh = priv;
1044 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1045
1046 ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
1047
1048 p->sequence = dev->channels[fh->channel_id].vidq.count;
1049
1050 return ret_val;
1051 }
1052
1053 static int vidioc_log_status(struct file *file, void *priv)
1054 {
1055 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1056 struct cx25821_fh *fh = priv;
1057 char name[32 + 2];
1058
1059 struct sram_channel *sram_ch = dev->channels[fh->channel_id]
1060 .sram_channels;
1061 u32 tmp = 0;
1062
1063 snprintf(name, sizeof(name), "%s/2", dev->name);
1064 pr_info("%s/2: ============ START LOG STATUS ============\n",
1065 dev->name);
1066 cx25821_call_all(dev, core, log_status);
1067 tmp = cx_read(sram_ch->dma_ctl);
1068 pr_info("Video input 0 is %s\n",
1069 (tmp & 0x11) ? "streaming" : "stopped");
1070 pr_info("%s/2: ============= END LOG STATUS =============\n",
1071 dev->name);
1072 return 0;
1073 }
1074
1075 static int vidioc_s_ctrl(struct file *file, void *priv,
1076 struct v4l2_control *ctl)
1077 {
1078 struct cx25821_fh *fh = priv;
1079 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1080 int err;
1081
1082 if (fh) {
1083 err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
1084 fh->prio);
1085 if (0 != err)
1086 return err;
1087 }
1088
1089 return cx25821_set_control(dev, ctl, fh->channel_id);
1090 }
1091
1092 /* VIDEO IOCTLS */
1093 int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1094 struct v4l2_format *f)
1095 {
1096 struct cx25821_fh *fh = priv;
1097
1098 f->fmt.pix.width = fh->width;
1099 f->fmt.pix.height = fh->height;
1100 f->fmt.pix.field = fh->vidq.field;
1101 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1102 f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3;
1103 f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
1104
1105 return 0;
1106 }
1107
1108 int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1109 struct v4l2_format *f)
1110 {
1111 struct cx25821_fmt *fmt;
1112 enum v4l2_field field;
1113 unsigned int maxw, maxh;
1114
1115 fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
1116 if (NULL == fmt)
1117 return -EINVAL;
1118
1119 field = f->fmt.pix.field;
1120 maxw = 720;
1121 maxh = 576;
1122
1123 if (V4L2_FIELD_ANY == field) {
1124 if (f->fmt.pix.height > maxh / 2)
1125 field = V4L2_FIELD_INTERLACED;
1126 else
1127 field = V4L2_FIELD_TOP;
1128 }
1129
1130 switch (field) {
1131 case V4L2_FIELD_TOP:
1132 case V4L2_FIELD_BOTTOM:
1133 maxh = maxh / 2;
1134 break;
1135 case V4L2_FIELD_INTERLACED:
1136 break;
1137 default:
1138 return -EINVAL;
1139 }
1140
1141 f->fmt.pix.field = field;
1142 if (f->fmt.pix.height < 32)
1143 f->fmt.pix.height = 32;
1144 if (f->fmt.pix.height > maxh)
1145 f->fmt.pix.height = maxh;
1146 if (f->fmt.pix.width < 48)
1147 f->fmt.pix.width = 48;
1148 if (f->fmt.pix.width > maxw)
1149 f->fmt.pix.width = maxw;
1150 f->fmt.pix.width &= ~0x03;
1151 f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
1152 f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
1153
1154 return 0;
1155 }
1156
1157 int cx25821_vidioc_querycap(struct file *file, void *priv,
1158 struct v4l2_capability *cap)
1159 {
1160 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1161
1162 strcpy(cap->driver, "cx25821");
1163 strlcpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card));
1164 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1165 cap->version = CX25821_VERSION_CODE;
1166 cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
1167 V4L2_CAP_STREAMING;
1168 if (UNSET != dev->tuner_type)
1169 cap->capabilities |= V4L2_CAP_TUNER;
1170 return 0;
1171 }
1172
1173 int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1174 struct v4l2_fmtdesc *f)
1175 {
1176 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1177 return -EINVAL;
1178
1179 strlcpy(f->description, formats[f->index].name, sizeof(f->description));
1180 f->pixelformat = formats[f->index].fourcc;
1181
1182 return 0;
1183 }
1184
1185 int cx25821_vidioc_reqbufs(struct file *file, void *priv,
1186 struct v4l2_requestbuffers *p)
1187 {
1188 struct cx25821_fh *fh = priv;
1189 return videobuf_reqbufs(get_queue(fh), p);
1190 }
1191
1192 int cx25821_vidioc_querybuf(struct file *file, void *priv,
1193 struct v4l2_buffer *p)
1194 {
1195 struct cx25821_fh *fh = priv;
1196 return videobuf_querybuf(get_queue(fh), p);
1197 }
1198
1199 int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
1200 {
1201 struct cx25821_fh *fh = priv;
1202 return videobuf_qbuf(get_queue(fh), p);
1203 }
1204
1205 int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
1206 {
1207 struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
1208 struct cx25821_fh *fh = f;
1209
1210 *p = v4l2_prio_max(&dev->channels[fh->channel_id].prio);
1211
1212 return 0;
1213 }
1214
1215 int cx25821_vidioc_s_priority(struct file *file, void *f,
1216 enum v4l2_priority prio)
1217 {
1218 struct cx25821_fh *fh = f;
1219 struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
1220
1221 return v4l2_prio_change(&dev->channels[fh->channel_id].prio, &fh->prio,
1222 prio);
1223 }
1224
1225 #ifdef TUNER_FLAG
1226 int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms)
1227 {
1228 struct cx25821_fh *fh = priv;
1229 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1230 int err;
1231
1232 dprintk(1, "%s()\n", __func__);
1233
1234 if (fh) {
1235 err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
1236 fh->prio);
1237 if (0 != err)
1238 return err;
1239 }
1240
1241 if (dev->tvnorm == *tvnorms)
1242 return 0;
1243
1244 mutex_lock(&dev->lock);
1245 cx25821_set_tvnorm(dev, *tvnorms);
1246 mutex_unlock(&dev->lock);
1247
1248 medusa_set_videostandard(dev);
1249
1250 return 0;
1251 }
1252 #endif
1253
1254 int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i)
1255 {
1256 static const char * const iname[] = {
1257 [CX25821_VMUX_COMPOSITE] = "Composite",
1258 [CX25821_VMUX_SVIDEO] = "S-Video",
1259 [CX25821_VMUX_DEBUG] = "for debug only",
1260 };
1261 unsigned int n;
1262 dprintk(1, "%s()\n", __func__);
1263
1264 n = i->index;
1265 if (n >= 2)
1266 return -EINVAL;
1267
1268 if (0 == INPUT(n)->type)
1269 return -EINVAL;
1270
1271 i->type = V4L2_INPUT_TYPE_CAMERA;
1272 strcpy(i->name, iname[INPUT(n)->type]);
1273
1274 i->std = CX25821_NORMS;
1275 return 0;
1276 }
1277
1278 int cx25821_vidioc_enum_input(struct file *file, void *priv,
1279 struct v4l2_input *i)
1280 {
1281 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1282 dprintk(1, "%s()\n", __func__);
1283 return cx25821_enum_input(dev, i);
1284 }
1285
1286 int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1287 {
1288 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1289
1290 *i = dev->input;
1291 dprintk(1, "%s(): returns %d\n", __func__, *i);
1292 return 0;
1293 }
1294
1295 int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
1296 {
1297 struct cx25821_fh *fh = priv;
1298 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1299 int err;
1300
1301 dprintk(1, "%s(%d)\n", __func__, i);
1302
1303 if (fh) {
1304 err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
1305 fh->prio);
1306 if (0 != err)
1307 return err;
1308 }
1309
1310 if (i >= CX25821_NR_INPUT) {
1311 dprintk(1, "%s(): -EINVAL\n", __func__);
1312 return -EINVAL;
1313 }
1314
1315 mutex_lock(&dev->lock);
1316 cx25821_video_mux(dev, i);
1317 mutex_unlock(&dev->lock);
1318 return 0;
1319 }
1320
1321 #ifdef TUNER_FLAG
1322 int cx25821_vidioc_g_frequency(struct file *file, void *priv,
1323 struct v4l2_frequency *f)
1324 {
1325 struct cx25821_fh *fh = priv;
1326 struct cx25821_dev *dev = fh->dev;
1327
1328 f->frequency = dev->freq;
1329
1330 cx25821_call_all(dev, tuner, g_frequency, f);
1331
1332 return 0;
1333 }
1334
1335 int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f)
1336 {
1337 mutex_lock(&dev->lock);
1338 dev->freq = f->frequency;
1339
1340 cx25821_call_all(dev, tuner, s_frequency, f);
1341
1342 /* When changing channels it is required to reset TVAUDIO */
1343 msleep(10);
1344
1345 mutex_unlock(&dev->lock);
1346
1347 return 0;
1348 }
1349
1350 int cx25821_vidioc_s_frequency(struct file *file, void *priv,
1351 struct v4l2_frequency *f)
1352 {
1353 struct cx25821_fh *fh = priv;
1354 struct cx25821_dev *dev;
1355 int err;
1356
1357 if (fh) {
1358 dev = fh->dev;
1359 err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
1360 fh->prio);
1361 if (0 != err)
1362 return err;
1363 } else {
1364 pr_err("Invalid fh pointer!\n");
1365 return -EINVAL;
1366 }
1367
1368 return cx25821_set_freq(dev, f);
1369 }
1370 #endif
1371
1372 #ifdef CONFIG_VIDEO_ADV_DEBUG
1373 int cx25821_vidioc_g_register(struct file *file, void *fh,
1374 struct v4l2_dbg_register *reg)
1375 {
1376 struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev;
1377
1378 if (!v4l2_chip_match_host(&reg->match))
1379 return -EINVAL;
1380
1381 cx25821_call_all(dev, core, g_register, reg);
1382
1383 return 0;
1384 }
1385
1386 int cx25821_vidioc_s_register(struct file *file, void *fh,
1387 struct v4l2_dbg_register *reg)
1388 {
1389 struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev;
1390
1391 if (!v4l2_chip_match_host(&reg->match))
1392 return -EINVAL;
1393
1394 cx25821_call_all(dev, core, s_register, reg);
1395
1396 return 0;
1397 }
1398
1399 #endif
1400
1401 #ifdef TUNER_FLAG
1402 int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1403 {
1404 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1405
1406 if (unlikely(UNSET == dev->tuner_type))
1407 return -EINVAL;
1408 if (0 != t->index)
1409 return -EINVAL;
1410
1411 strcpy(t->name, "Television");
1412 t->type = V4L2_TUNER_ANALOG_TV;
1413 t->capability = V4L2_TUNER_CAP_NORM;
1414 t->rangehigh = 0xffffffffUL;
1415
1416 t->signal = 0xffff; /* LOCKED */
1417 return 0;
1418 }
1419
1420 int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1421 {
1422 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1423 struct cx25821_fh *fh = priv;
1424 int err;
1425
1426 if (fh) {
1427 err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
1428 fh->prio);
1429 if (0 != err)
1430 return err;
1431 }
1432
1433 dprintk(1, "%s()\n", __func__);
1434 if (UNSET == dev->tuner_type)
1435 return -EINVAL;
1436 if (0 != t->index)
1437 return -EINVAL;
1438
1439 return 0;
1440 }
1441
1442 #endif
1443 /*****************************************************************************/
1444 static const struct v4l2_queryctrl no_ctl = {
1445 .name = "42",
1446 .flags = V4L2_CTRL_FLAG_DISABLED,
1447 };
1448
1449 static struct v4l2_queryctrl cx25821_ctls[] = {
1450 /* --- video --- */
1451 {
1452 .id = V4L2_CID_BRIGHTNESS,
1453 .name = "Brightness",
1454 .minimum = 0,
1455 .maximum = 10000,
1456 .step = 1,
1457 .default_value = 6200,
1458 .type = V4L2_CTRL_TYPE_INTEGER,
1459 }, {
1460 .id = V4L2_CID_CONTRAST,
1461 .name = "Contrast",
1462 .minimum = 0,
1463 .maximum = 10000,
1464 .step = 1,
1465 .default_value = 5000,
1466 .type = V4L2_CTRL_TYPE_INTEGER,
1467 }, {
1468 .id = V4L2_CID_SATURATION,
1469 .name = "Saturation",
1470 .minimum = 0,
1471 .maximum = 10000,
1472 .step = 1,
1473 .default_value = 5000,
1474 .type = V4L2_CTRL_TYPE_INTEGER,
1475 }, {
1476 .id = V4L2_CID_HUE,
1477 .name = "Hue",
1478 .minimum = 0,
1479 .maximum = 10000,
1480 .step = 1,
1481 .default_value = 5000,
1482 .type = V4L2_CTRL_TYPE_INTEGER,
1483 }
1484 };
1485 static const int CX25821_CTLS = ARRAY_SIZE(cx25821_ctls);
1486
1487 static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl)
1488 {
1489 int i;
1490
1491 if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1)
1492 return -EINVAL;
1493 for (i = 0; i < CX25821_CTLS; i++)
1494 if (cx25821_ctls[i].id == qctrl->id)
1495 break;
1496 if (i == CX25821_CTLS) {
1497 *qctrl = no_ctl;
1498 return 0;
1499 }
1500 *qctrl = cx25821_ctls[i];
1501 return 0;
1502 }
1503
1504 int cx25821_vidioc_queryctrl(struct file *file, void *priv,
1505 struct v4l2_queryctrl *qctrl)
1506 {
1507 return cx25821_ctrl_query(qctrl);
1508 }
1509
1510 /* ------------------------------------------------------------------ */
1511 /* VIDEO CTRL IOCTLS */
1512
1513 static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id)
1514 {
1515 unsigned int i;
1516
1517 for (i = 0; i < CX25821_CTLS; i++)
1518 if (cx25821_ctls[i].id == id)
1519 return cx25821_ctls + i;
1520 return NULL;
1521 }
1522
1523 int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
1524 struct v4l2_control *ctl)
1525 {
1526 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1527 struct cx25821_fh *fh = priv;
1528
1529 const struct v4l2_queryctrl *ctrl;
1530
1531 ctrl = ctrl_by_id(ctl->id);
1532
1533 if (NULL == ctrl)
1534 return -EINVAL;
1535 switch (ctl->id) {
1536 case V4L2_CID_BRIGHTNESS:
1537 ctl->value = dev->channels[fh->channel_id].ctl_bright;
1538 break;
1539 case V4L2_CID_HUE:
1540 ctl->value = dev->channels[fh->channel_id].ctl_hue;
1541 break;
1542 case V4L2_CID_CONTRAST:
1543 ctl->value = dev->channels[fh->channel_id].ctl_contrast;
1544 break;
1545 case V4L2_CID_SATURATION:
1546 ctl->value = dev->channels[fh->channel_id].ctl_saturation;
1547 break;
1548 }
1549 return 0;
1550 }
1551
1552 int cx25821_set_control(struct cx25821_dev *dev,
1553 struct v4l2_control *ctl, int chan_num)
1554 {
1555 int err;
1556 const struct v4l2_queryctrl *ctrl;
1557
1558 err = -EINVAL;
1559
1560 ctrl = ctrl_by_id(ctl->id);
1561
1562 if (NULL == ctrl)
1563 return err;
1564
1565 switch (ctrl->type) {
1566 case V4L2_CTRL_TYPE_BOOLEAN:
1567 case V4L2_CTRL_TYPE_MENU:
1568 case V4L2_CTRL_TYPE_INTEGER:
1569 if (ctl->value < ctrl->minimum)
1570 ctl->value = ctrl->minimum;
1571 if (ctl->value > ctrl->maximum)
1572 ctl->value = ctrl->maximum;
1573 break;
1574 default:
1575 /* nothing */ ;
1576 }
1577
1578 switch (ctl->id) {
1579 case V4L2_CID_BRIGHTNESS:
1580 dev->channels[chan_num].ctl_bright = ctl->value;
1581 medusa_set_brightness(dev, ctl->value, chan_num);
1582 break;
1583 case V4L2_CID_HUE:
1584 dev->channels[chan_num].ctl_hue = ctl->value;
1585 medusa_set_hue(dev, ctl->value, chan_num);
1586 break;
1587 case V4L2_CID_CONTRAST:
1588 dev->channels[chan_num].ctl_contrast = ctl->value;
1589 medusa_set_contrast(dev, ctl->value, chan_num);
1590 break;
1591 case V4L2_CID_SATURATION:
1592 dev->channels[chan_num].ctl_saturation = ctl->value;
1593 medusa_set_saturation(dev, ctl->value, chan_num);
1594 break;
1595 }
1596
1597 err = 0;
1598
1599 return err;
1600 }
1601
1602 static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num)
1603 {
1604 struct v4l2_control ctrl;
1605 int i;
1606 for (i = 0; i < CX25821_CTLS; i++) {
1607 ctrl.id = cx25821_ctls[i].id;
1608 ctrl.value = cx25821_ctls[i].default_value;
1609
1610 cx25821_set_control(dev, &ctrl, chan_num);
1611 }
1612 }
1613
1614 int cx25821_vidioc_cropcap(struct file *file, void *priv,
1615 struct v4l2_cropcap *cropcap)
1616 {
1617 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1618
1619 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1620 return -EINVAL;
1621 cropcap->bounds.top = 0;
1622 cropcap->bounds.left = 0;
1623 cropcap->bounds.width = 720;
1624 cropcap->bounds.height = dev->tvnorm == V4L2_STD_PAL_BG ? 576 : 480;
1625 cropcap->pixelaspect.numerator =
1626 dev->tvnorm == V4L2_STD_PAL_BG ? 59 : 10;
1627 cropcap->pixelaspect.denominator =
1628 dev->tvnorm == V4L2_STD_PAL_BG ? 54 : 11;
1629 cropcap->defrect = cropcap->bounds;
1630 return 0;
1631 }
1632
1633 int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop)
1634 {
1635 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1636 struct cx25821_fh *fh = priv;
1637 int err;
1638
1639 if (fh) {
1640 err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
1641 fh->prio);
1642 if (0 != err)
1643 return err;
1644 }
1645 /* cx25821_vidioc_s_crop not supported */
1646 return -EINVAL;
1647 }
1648
1649 int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop)
1650 {
1651 /* cx25821_vidioc_g_crop not supported */
1652 return -EINVAL;
1653 }
1654
1655 int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm)
1656 {
1657 /* medusa does not support video standard sensing of current input */
1658 *norm = CX25821_NORMS;
1659
1660 return 0;
1661 }
1662
1663 int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm)
1664 {
1665 if (tvnorm == V4L2_STD_PAL_BG) {
1666 if (width == 352 || width == 720)
1667 return 1;
1668 else
1669 return 0;
1670 }
1671
1672 if (tvnorm == V4L2_STD_NTSC_M) {
1673 if (width == 320 || width == 352 || width == 720)
1674 return 1;
1675 else
1676 return 0;
1677 }
1678 return 0;
1679 }
1680
1681 int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm)
1682 {
1683 if (tvnorm == V4L2_STD_PAL_BG) {
1684 if (height == 576 || height == 288)
1685 return 1;
1686 else
1687 return 0;
1688 }
1689
1690 if (tvnorm == V4L2_STD_NTSC_M) {
1691 if (height == 480 || height == 240)
1692 return 1;
1693 else
1694 return 0;
1695 }
1696
1697 return 0;
1698 }
1699
1700 static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
1701 unsigned long arg)
1702 {
1703 struct cx25821_fh *fh = file->private_data;
1704 struct cx25821_dev *dev = fh->dev;
1705 int command = 0;
1706 struct upstream_user_struct *data_from_user;
1707
1708 data_from_user = (struct upstream_user_struct *)arg;
1709
1710 if (!data_from_user) {
1711 pr_err("%s(): Upstream data is INVALID. Returning\n", __func__);
1712 return 0;
1713 }
1714
1715 command = data_from_user->command;
1716
1717 if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO)
1718 return 0;
1719
1720 dev->input_filename = data_from_user->input_filename;
1721 dev->input_audiofilename = data_from_user->input_filename;
1722 dev->vid_stdname = data_from_user->vid_stdname;
1723 dev->pixel_format = data_from_user->pixel_format;
1724 dev->channel_select = data_from_user->channel_select;
1725 dev->command = data_from_user->command;
1726
1727 switch (command) {
1728 case UPSTREAM_START_VIDEO:
1729 cx25821_start_upstream_video_ch1(dev, data_from_user);
1730 break;
1731
1732 case UPSTREAM_STOP_VIDEO:
1733 cx25821_stop_upstream_video_ch1(dev);
1734 break;
1735 }
1736
1737 return 0;
1738 }
1739
1740 static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
1741 unsigned long arg)
1742 {
1743 struct cx25821_fh *fh = file->private_data;
1744 struct cx25821_dev *dev = fh->dev;
1745 int command = 0;
1746 struct upstream_user_struct *data_from_user;
1747
1748 data_from_user = (struct upstream_user_struct *)arg;
1749
1750 if (!data_from_user) {
1751 pr_err("%s(): Upstream data is INVALID. Returning\n", __func__);
1752 return 0;
1753 }
1754
1755 command = data_from_user->command;
1756
1757 if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO)
1758 return 0;
1759
1760 dev->input_filename_ch2 = data_from_user->input_filename;
1761 dev->input_audiofilename = data_from_user->input_filename;
1762 dev->vid_stdname_ch2 = data_from_user->vid_stdname;
1763 dev->pixel_format_ch2 = data_from_user->pixel_format;
1764 dev->channel_select_ch2 = data_from_user->channel_select;
1765 dev->command_ch2 = data_from_user->command;
1766
1767 switch (command) {
1768 case UPSTREAM_START_VIDEO:
1769 cx25821_start_upstream_video_ch2(dev, data_from_user);
1770 break;
1771
1772 case UPSTREAM_STOP_VIDEO:
1773 cx25821_stop_upstream_video_ch2(dev);
1774 break;
1775 }
1776
1777 return 0;
1778 }
1779
1780 static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
1781 unsigned long arg)
1782 {
1783 struct cx25821_fh *fh = file->private_data;
1784 struct cx25821_dev *dev = fh->dev;
1785 int command = 0;
1786 struct upstream_user_struct *data_from_user;
1787
1788 data_from_user = (struct upstream_user_struct *)arg;
1789
1790 if (!data_from_user) {
1791 pr_err("%s(): Upstream data is INVALID. Returning\n", __func__);
1792 return 0;
1793 }
1794
1795 command = data_from_user->command;
1796
1797 if (command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO)
1798 return 0;
1799
1800 dev->input_filename = data_from_user->input_filename;
1801 dev->input_audiofilename = data_from_user->input_filename;
1802 dev->vid_stdname = data_from_user->vid_stdname;
1803 dev->pixel_format = data_from_user->pixel_format;
1804 dev->channel_select = data_from_user->channel_select;
1805 dev->command = data_from_user->command;
1806
1807 switch (command) {
1808 case UPSTREAM_START_AUDIO:
1809 cx25821_start_upstream_audio(dev, data_from_user);
1810 break;
1811
1812 case UPSTREAM_STOP_AUDIO:
1813 cx25821_stop_upstream_audio(dev);
1814 break;
1815 }
1816
1817 return 0;
1818 }
1819
1820 static long video_ioctl_set(struct file *file, unsigned int cmd,
1821 unsigned long arg)
1822 {
1823 struct cx25821_fh *fh = file->private_data;
1824 struct cx25821_dev *dev = fh->dev;
1825 struct downstream_user_struct *data_from_user;
1826 int command;
1827 int width = 720;
1828 int selected_channel = 0;
1829 int pix_format = 0;
1830 int i = 0;
1831 int cif_enable = 0;
1832 int cif_width = 0;
1833 u32 value = 0;
1834
1835 data_from_user = (struct downstream_user_struct *)arg;
1836
1837 if (!data_from_user) {
1838 pr_err("%s(): User data is INVALID. Returning\n", __func__);
1839 return 0;
1840 }
1841
1842 command = data_from_user->command;
1843
1844 if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT
1845 && command != ENABLE_CIF_RESOLUTION && command != REG_READ
1846 && command != REG_WRITE && command != MEDUSA_READ
1847 && command != MEDUSA_WRITE) {
1848 return 0;
1849 }
1850
1851 switch (command) {
1852 case SET_VIDEO_STD:
1853 if (!strcmp(data_from_user->vid_stdname, "PAL"))
1854 dev->tvnorm = V4L2_STD_PAL_BG;
1855 else
1856 dev->tvnorm = V4L2_STD_NTSC_M;
1857 medusa_set_videostandard(dev);
1858 break;
1859
1860 case SET_PIXEL_FORMAT:
1861 selected_channel = data_from_user->decoder_select;
1862 pix_format = data_from_user->pixel_format;
1863
1864 if (!(selected_channel <= 7 && selected_channel >= 0)) {
1865 selected_channel -= 4;
1866 selected_channel = selected_channel % 8;
1867 }
1868
1869 if (selected_channel >= 0)
1870 cx25821_set_pixel_format(dev, selected_channel,
1871 pix_format);
1872
1873 break;
1874
1875 case ENABLE_CIF_RESOLUTION:
1876 selected_channel = data_from_user->decoder_select;
1877 cif_enable = data_from_user->cif_resolution_enable;
1878 cif_width = data_from_user->cif_width;
1879
1880 if (cif_enable) {
1881 if (dev->tvnorm & V4L2_STD_PAL_BG
1882 || dev->tvnorm & V4L2_STD_PAL_DK) {
1883 width = 352;
1884 } else {
1885 width = cif_width;
1886 if (cif_width != 320 && cif_width != 352)
1887 width = 320;
1888 }
1889 }
1890
1891 if (!(selected_channel <= 7 && selected_channel >= 0)) {
1892 selected_channel -= 4;
1893 selected_channel = selected_channel % 8;
1894 }
1895
1896 if (selected_channel <= 7 && selected_channel >= 0) {
1897 dev->channels[selected_channel].use_cif_resolution =
1898 cif_enable;
1899 dev->channels[selected_channel].cif_width = width;
1900 } else {
1901 for (i = 0; i < VID_CHANNEL_NUM; i++) {
1902 dev->channels[i].use_cif_resolution =
1903 cif_enable;
1904 dev->channels[i].cif_width = width;
1905 }
1906 }
1907
1908 medusa_set_resolution(dev, width, selected_channel);
1909 break;
1910 case REG_READ:
1911 data_from_user->reg_data = cx_read(data_from_user->reg_address);
1912 break;
1913 case REG_WRITE:
1914 cx_write(data_from_user->reg_address, data_from_user->reg_data);
1915 break;
1916 case MEDUSA_READ:
1917 value = cx25821_i2c_read(&dev->i2c_bus[0],
1918 (u16) data_from_user->reg_address,
1919 &data_from_user->reg_data);
1920 break;
1921 case MEDUSA_WRITE:
1922 cx25821_i2c_write(&dev->i2c_bus[0],
1923 (u16) data_from_user->reg_address,
1924 data_from_user->reg_data);
1925 break;
1926 }
1927
1928 return 0;
1929 }
1930
1931 static long cx25821_video_ioctl(struct file *file,
1932 unsigned int cmd, unsigned long arg)
1933 {
1934 int ret = 0;
1935
1936 struct cx25821_fh *fh = file->private_data;
1937
1938 /* check to see if it's the video upstream */
1939 if (fh->channel_id == SRAM_CH09) {
1940 ret = video_ioctl_upstream9(file, cmd, arg);
1941 return ret;
1942 } else if (fh->channel_id == SRAM_CH10) {
1943 ret = video_ioctl_upstream10(file, cmd, arg);
1944 return ret;
1945 } else if (fh->channel_id == SRAM_CH11) {
1946 ret = video_ioctl_upstream11(file, cmd, arg);
1947 ret = video_ioctl_set(file, cmd, arg);
1948 return ret;
1949 }
1950
1951 return video_ioctl2(file, cmd, arg);
1952 }
1953
1954 /* exported stuff */
1955 static const struct v4l2_file_operations video_fops = {
1956 .owner = THIS_MODULE,
1957 .open = video_open,
1958 .release = video_release,
1959 .read = video_read,
1960 .poll = video_poll,
1961 .mmap = cx25821_video_mmap,
1962 .ioctl = cx25821_video_ioctl,
1963 };
1964
1965 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1966 .vidioc_querycap = cx25821_vidioc_querycap,
1967 .vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
1968 .vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
1969 .vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
1970 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1971 .vidioc_reqbufs = cx25821_vidioc_reqbufs,
1972 .vidioc_querybuf = cx25821_vidioc_querybuf,
1973 .vidioc_qbuf = cx25821_vidioc_qbuf,
1974 .vidioc_dqbuf = vidioc_dqbuf,
1975 #ifdef TUNER_FLAG
1976 .vidioc_s_std = cx25821_vidioc_s_std,
1977 .vidioc_querystd = cx25821_vidioc_querystd,
1978 #endif
1979 .vidioc_cropcap = cx25821_vidioc_cropcap,
1980 .vidioc_s_crop = cx25821_vidioc_s_crop,
1981 .vidioc_g_crop = cx25821_vidioc_g_crop,
1982 .vidioc_enum_input = cx25821_vidioc_enum_input,
1983 .vidioc_g_input = cx25821_vidioc_g_input,
1984 .vidioc_s_input = cx25821_vidioc_s_input,
1985 .vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
1986 .vidioc_s_ctrl = vidioc_s_ctrl,
1987 .vidioc_queryctrl = cx25821_vidioc_queryctrl,
1988 .vidioc_streamon = vidioc_streamon,
1989 .vidioc_streamoff = vidioc_streamoff,
1990 .vidioc_log_status = vidioc_log_status,
1991 .vidioc_g_priority = cx25821_vidioc_g_priority,
1992 .vidioc_s_priority = cx25821_vidioc_s_priority,
1993 #ifdef TUNER_FLAG
1994 .vidioc_g_tuner = cx25821_vidioc_g_tuner,
1995 .vidioc_s_tuner = cx25821_vidioc_s_tuner,
1996 .vidioc_g_frequency = cx25821_vidioc_g_frequency,
1997 .vidioc_s_frequency = cx25821_vidioc_s_frequency,
1998 #endif
1999 #ifdef CONFIG_VIDEO_ADV_DEBUG
2000 .vidioc_g_register = cx25821_vidioc_g_register,
2001 .vidioc_s_register = cx25821_vidioc_s_register,
2002 #endif
2003 };
2004
2005 struct video_device cx25821_videoioctl_template = {
2006 .name = "cx25821-videoioctl",
2007 .fops = &video_fops,
2008 .ioctl_ops = &video_ioctl_ops,
2009 .tvnorms = CX25821_NORMS,
2010 .current_norm = V4L2_STD_NTSC_M,
2011 };