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fbdev: Modify vsync timing calculation in wm8505fb
[deliverable/linux.git] / drivers / staging / cx25821 / cx25821-video.c
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 #include "cx25821-video.h"
28
29 MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards");
30 MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>");
31 MODULE_LICENSE("GPL");
32
33 static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
34 static unsigned int radio_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
35
36 module_param_array(video_nr, int, NULL, 0444);
37 module_param_array(radio_nr, int, NULL, 0444);
38
39 MODULE_PARM_DESC(video_nr, "video device numbers");
40 MODULE_PARM_DESC(radio_nr, "radio device numbers");
41
42 static unsigned int video_debug = VIDEO_DEBUG;
43 module_param(video_debug, int, 0644);
44 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
45
46 static unsigned int irq_debug;
47 module_param(irq_debug, int, 0644);
48 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
49
50 unsigned int vid_limit = 16;
51 module_param(vid_limit, int, 0644);
52 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
53
54 static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num);
55
56 static const struct v4l2_file_operations video_fops;
57 static const struct v4l2_ioctl_ops video_ioctl_ops;
58
59 #define FORMAT_FLAGS_PACKED 0x01
60
61 struct cx25821_fmt formats[] = {
62 {
63 .name = "8 bpp, gray",
64 .fourcc = V4L2_PIX_FMT_GREY,
65 .depth = 8,
66 .flags = FORMAT_FLAGS_PACKED,
67 }, {
68 .name = "4:1:1, packed, Y41P",
69 .fourcc = V4L2_PIX_FMT_Y41P,
70 .depth = 12,
71 .flags = FORMAT_FLAGS_PACKED,
72 }, {
73 .name = "4:2:2, packed, YUYV",
74 .fourcc = V4L2_PIX_FMT_YUYV,
75 .depth = 16,
76 .flags = FORMAT_FLAGS_PACKED,
77 }, {
78 .name = "4:2:2, packed, UYVY",
79 .fourcc = V4L2_PIX_FMT_UYVY,
80 .depth = 16,
81 .flags = FORMAT_FLAGS_PACKED,
82 }, {
83 .name = "4:2:0, YUV",
84 .fourcc = V4L2_PIX_FMT_YUV420,
85 .depth = 12,
86 .flags = FORMAT_FLAGS_PACKED,
87 },
88 };
89
90 int cx25821_get_format_size(void)
91 {
92 return ARRAY_SIZE(formats);
93 }
94
95 struct cx25821_fmt *format_by_fourcc(unsigned int fourcc)
96 {
97 unsigned int i;
98
99 if (fourcc == V4L2_PIX_FMT_Y41P || fourcc == V4L2_PIX_FMT_YUV411P) {
100 return formats + 1;
101 }
102
103 for (i = 0; i < ARRAY_SIZE(formats); i++)
104 if (formats[i].fourcc == fourcc)
105 return formats + i;
106
107 printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc);
108 return NULL;
109 }
110
111 void cx25821_dump_video_queue(struct cx25821_dev *dev, struct cx25821_dmaqueue *q)
112 {
113 struct cx25821_buffer *buf;
114 struct list_head *item;
115 dprintk(1, "%s()\n", __func__);
116
117 if (!list_empty(&q->active)) {
118 list_for_each(item, &q->active)
119 buf = list_entry(item, struct cx25821_buffer, vb.queue);
120 }
121
122 if (!list_empty(&q->queued)) {
123 list_for_each(item, &q->queued)
124 buf = list_entry(item, struct cx25821_buffer, vb.queue);
125 }
126
127 }
128
129 void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q,
130 u32 count)
131 {
132 struct cx25821_buffer *buf;
133 int bc;
134
135 for (bc = 0;; bc++) {
136 if (list_empty(&q->active)) {
137 dprintk(1, "bc=%d (=0: active empty)\n", bc);
138 break;
139 }
140
141 buf =
142 list_entry(q->active.next, struct cx25821_buffer, vb.queue);
143
144 /* count comes from the hw and it is 16bit wide --
145 * this trick handles wrap-arounds correctly for
146 * up to 32767 buffers in flight... */
147 if ((s16) (count - buf->count) < 0) {
148 break;
149 }
150
151 do_gettimeofday(&buf->vb.ts);
152 buf->vb.state = VIDEOBUF_DONE;
153 list_del(&buf->vb.queue);
154 wake_up(&buf->vb.done);
155 }
156
157 if (list_empty(&q->active))
158 del_timer(&q->timeout);
159 else
160 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
161 if (bc != 1)
162 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n",
163 __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", __func__,
170 (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, unsigned int bit)
222 {
223 dprintk(1, "%s()\n", __func__);
224 if (fh->resources & bit)
225 /* have it already allocated */
226 return 1;
227
228 /* is it free? */
229 mutex_lock(&dev->lock);
230 if (dev->channels[fh->channel_id].resources & bit) {
231 /* no, someone else uses it */
232 mutex_unlock(&dev->lock);
233 return 0;
234 }
235 /* it's free, grab it */
236 fh->resources |= bit;
237 dev->channels[fh->channel_id].resources |= bit;
238 dprintk(1, "res: get %d\n", bit);
239 mutex_unlock(&dev->lock);
240 return 1;
241 }
242
243 int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit)
244 {
245 return fh->resources & bit;
246 }
247
248 int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit)
249 {
250 return fh->dev->channels[fh->channel_id].resources & bit;
251 }
252
253 void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits)
254 {
255 BUG_ON((fh->resources & bits) != bits);
256 dprintk(1, "%s()\n", __func__);
257
258 mutex_lock(&dev->lock);
259 fh->resources &= ~bits;
260 dev->channels[fh->channel_id].resources &= ~bits;
261 dprintk(1, "res: put %d\n", bits);
262 mutex_unlock(&dev->lock);
263 }
264
265 int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input)
266 {
267 struct v4l2_routing route;
268 memset(&route, 0, sizeof(route));
269
270 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
271 __func__, input, INPUT(input)->vmux, INPUT(input)->gpio0,
272 INPUT(input)->gpio1, INPUT(input)->gpio2, INPUT(input)->gpio3);
273 dev->input = input;
274
275 route.input = INPUT(input)->vmux;
276
277 /* Tell the internal A/V decoder */
278 cx25821_call_all(dev, video, s_routing, INPUT(input)->vmux, 0, 0);
279
280 return 0;
281 }
282
283 int cx25821_start_video_dma(struct cx25821_dev *dev,
284 struct cx25821_dmaqueue *q,
285 struct cx25821_buffer *buf,
286 struct sram_channel *channel)
287 {
288 int tmp = 0;
289
290 /* setup fifo + format */
291 cx25821_sram_channel_setup(dev, channel, buf->bpl, buf->risc.dma);
292
293 /* reset counter */
294 cx_write(channel->gpcnt_ctl, 3);
295 q->count = 1;
296
297 /* enable irq */
298 cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << channel->i));
299 cx_set(channel->int_msk, 0x11);
300
301 /* start dma */
302 cx_write(channel->dma_ctl, 0x11); /* FIFO and RISC enable */
303
304 /* make sure upstream setting if any is reversed */
305 tmp = cx_read(VID_CH_MODE_SEL);
306 cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00);
307
308 return 0;
309 }
310
311 int cx25821_restart_video_queue(struct cx25821_dev *dev,
312 struct cx25821_dmaqueue *q,
313 struct sram_channel *channel)
314 {
315 struct cx25821_buffer *buf, *prev;
316 struct list_head *item;
317
318 if (!list_empty(&q->active)) {
319 buf =
320 list_entry(q->active.next, struct cx25821_buffer, vb.queue);
321
322 cx25821_start_video_dma(dev, q, buf, channel);
323
324 list_for_each(item, &q->active) {
325 buf = list_entry(item, struct cx25821_buffer, vb.queue);
326 buf->count = q->count++;
327 }
328
329 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
330 return 0;
331 }
332
333 prev = NULL;
334 for (;;) {
335 if (list_empty(&q->queued))
336 return 0;
337
338 buf =
339 list_entry(q->queued.next, struct cx25821_buffer, vb.queue);
340
341 if (NULL == prev) {
342 list_move_tail(&buf->vb.queue, &q->active);
343 cx25821_start_video_dma(dev, q, buf, channel);
344 buf->vb.state = VIDEOBUF_ACTIVE;
345 buf->count = q->count++;
346 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
347 } else if (prev->vb.width == buf->vb.width &&
348 prev->vb.height == buf->vb.height &&
349 prev->fmt == buf->fmt) {
350 list_move_tail(&buf->vb.queue, &q->active);
351 buf->vb.state = VIDEOBUF_ACTIVE;
352 buf->count = q->count++;
353 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
354 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
355 } else {
356 return 0;
357 }
358 prev = buf;
359 }
360 }
361
362 void cx25821_vid_timeout(unsigned long data)
363 {
364 struct cx25821_data *timeout_data = (struct cx25821_data *)data;
365 struct cx25821_dev *dev = timeout_data->dev;
366 struct sram_channel *channel = timeout_data->channel;
367 struct cx25821_dmaqueue *q = &dev->channels[channel->i].vidq;
368 struct cx25821_buffer *buf;
369 unsigned long flags;
370
371 /* cx25821_sram_channel_dump(dev, channel); */
372 cx_clear(channel->dma_ctl, 0x11);
373
374 spin_lock_irqsave(&dev->slock, flags);
375 while (!list_empty(&q->active)) {
376 buf =
377 list_entry(q->active.next, struct cx25821_buffer, vb.queue);
378 list_del(&buf->vb.queue);
379
380 buf->vb.state = VIDEOBUF_ERROR;
381 wake_up(&buf->vb.done);
382 }
383
384 cx25821_restart_video_queue(dev, q, channel);
385 spin_unlock_irqrestore(&dev->slock, flags);
386 }
387
388 int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
389 {
390 u32 count = 0;
391 int handled = 0;
392 u32 mask;
393 struct sram_channel *channel = dev->channels[chan_num].sram_channels;
394
395 mask = cx_read(channel->int_msk);
396 if (0 == (status & mask))
397 return handled;
398
399 cx_write(channel->int_stat, status);
400
401 /* risc op code error */
402 if (status & (1 << 16)) {
403 printk(KERN_WARNING "%s, %s: video risc op code error\n",
404 dev->name, channel->name);
405 cx_clear(channel->dma_ctl, 0x11);
406 cx25821_sram_channel_dump(dev, channel);
407 }
408
409 /* risc1 y */
410 if (status & FLD_VID_DST_RISC1) {
411 spin_lock(&dev->slock);
412 count = cx_read(channel->gpcnt);
413 cx25821_video_wakeup(dev,
414 &dev->channels[channel->i].vidq, count);
415 spin_unlock(&dev->slock);
416 handled++;
417 }
418
419 /* risc2 y */
420 if (status & 0x10) {
421 dprintk(2, "stopper video\n");
422 spin_lock(&dev->slock);
423 cx25821_restart_video_queue(dev,
424 &dev->channels[channel->i].vidq,
425 channel);
426 spin_unlock(&dev->slock);
427 handled++;
428 }
429 return handled;
430 }
431
432 void cx25821_videoioctl_unregister(struct cx25821_dev *dev)
433 {
434 if (dev->ioctl_dev) {
435 if (video_is_registered(dev->ioctl_dev))
436 video_unregister_device(dev->ioctl_dev);
437 else
438 video_device_release(dev->ioctl_dev);
439
440 dev->ioctl_dev = NULL;
441 }
442 }
443
444 void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num)
445 {
446 cx_clear(PCI_INT_MSK, 1);
447
448 if (dev->channels[chan_num].video_dev) {
449 if (video_is_registered(dev->channels[chan_num].video_dev))
450 video_unregister_device(
451 dev->channels[chan_num].video_dev);
452 else
453 video_device_release(
454 dev->channels[chan_num].video_dev);
455
456 dev->channels[chan_num].video_dev = NULL;
457
458 btcx_riscmem_free(dev->pci,
459 &dev->channels[chan_num].vidq.stopper);
460
461 printk(KERN_WARNING "device %d released!\n", chan_num);
462 }
463
464 }
465
466 int cx25821_video_register(struct cx25821_dev *dev)
467 {
468 int err;
469 int i;
470
471 struct video_device cx25821_video_device = {
472 .name = "cx25821-video",
473 .fops = &video_fops,
474 .minor = -1,
475 .ioctl_ops = &video_ioctl_ops,
476 .tvnorms = CX25821_NORMS,
477 .current_norm = V4L2_STD_NTSC_M,
478 };
479
480 spin_lock_init(&dev->slock);
481
482 for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) {
483 cx25821_init_controls(dev, i);
484
485 cx25821_risc_stopper(dev->pci,
486 &dev->channels[i].vidq.stopper,
487 dev->channels[i].sram_channels->dma_ctl,
488 0x11, 0);
489
490 dev->channels[i].sram_channels = &cx25821_sram_channels[i];
491 dev->channels[i].video_dev = NULL;
492 dev->channels[i].resources = 0;
493
494 cx_write(dev->channels[i].sram_channels->int_stat,
495 0xffffffff);
496
497 INIT_LIST_HEAD(&dev->channels[i].vidq.active);
498 INIT_LIST_HEAD(&dev->channels[i].vidq.queued);
499
500 dev->channels[i].timeout_data.dev = dev;
501 dev->channels[i].timeout_data.channel =
502 &cx25821_sram_channels[i];
503 dev->channels[i].vidq.timeout.function =
504 cx25821_vid_timeout;
505 dev->channels[i].vidq.timeout.data =
506 (unsigned long)&dev->channels[i].timeout_data;
507 init_timer(&dev->channels[i].vidq.timeout);
508
509 /* register v4l devices */
510 dev->channels[i].video_dev = cx25821_vdev_init(dev,
511 dev->pci, &cx25821_video_device, "video");
512
513 err = video_register_device(dev->channels[i].video_dev,
514 VFL_TYPE_GRABBER, video_nr[dev->nr]);
515
516 if (err < 0)
517 goto fail_unreg;
518
519 }
520
521 /* set PCI interrupt */
522 cx_set(PCI_INT_MSK, 0xff);
523
524 /* initial device configuration */
525 mutex_lock(&dev->lock);
526 #ifdef TUNER_FLAG
527 dev->tvnorm = cx25821_video_device.current_norm;
528 cx25821_set_tvnorm(dev, dev->tvnorm);
529 #endif
530 mutex_unlock(&dev->lock);
531
532
533 return 0;
534
535 fail_unreg:
536 cx25821_video_unregister(dev, i);
537 return err;
538 }
539
540 int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
541 unsigned int *size)
542 {
543 struct cx25821_fh *fh = q->priv_data;
544
545 *size = fh->fmt->depth * fh->width * fh->height >> 3;
546
547 if (0 == *count)
548 *count = 32;
549
550 if (*size * *count > vid_limit * 1024 * 1024)
551 *count = (vid_limit * 1024 * 1024) / *size;
552
553 return 0;
554 }
555
556 int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
557 enum v4l2_field field)
558 {
559 struct cx25821_fh *fh = q->priv_data;
560 struct cx25821_dev *dev = fh->dev;
561 struct cx25821_buffer *buf =
562 container_of(vb, struct cx25821_buffer, vb);
563 int rc, init_buffer = 0;
564 u32 line0_offset, line1_offset;
565 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
566 int bpl_local = LINE_SIZE_D1;
567 int channel_opened = fh->channel_id;
568
569 BUG_ON(NULL == fh->fmt);
570 if (fh->width < 48 || fh->width > 720 ||
571 fh->height < 32 || fh->height > 576)
572 return -EINVAL;
573
574 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
575
576 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
577 return -EINVAL;
578
579 if (buf->fmt != fh->fmt ||
580 buf->vb.width != fh->width ||
581 buf->vb.height != fh->height || buf->vb.field != field) {
582 buf->fmt = fh->fmt;
583 buf->vb.width = fh->width;
584 buf->vb.height = fh->height;
585 buf->vb.field = field;
586 init_buffer = 1;
587 }
588
589 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
590 init_buffer = 1;
591 rc = videobuf_iolock(q, &buf->vb, NULL);
592 if (0 != rc) {
593 printk(KERN_DEBUG "videobuf_iolock failed!\n");
594 goto fail;
595 }
596 }
597
598 dprintk(1, "init_buffer=%d\n", init_buffer);
599
600 if (init_buffer) {
601
602 channel_opened = dev->channel_opened;
603 channel_opened = (channel_opened < 0
604 || channel_opened > 7) ? 7 : channel_opened;
605
606 if (dev->channels[channel_opened]
607 .pixel_formats == PIXEL_FRMT_411)
608 buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3;
609 else
610 buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width);
611
612 if (dev->channels[channel_opened]
613 .pixel_formats == PIXEL_FRMT_411) {
614 bpl_local = buf->bpl;
615 } else {
616 bpl_local = buf->bpl; /* Default */
617
618 if (channel_opened >= 0 && channel_opened <= 7) {
619 if (dev->channels[channel_opened]
620 .use_cif_resolution) {
621 if (dev->tvnorm & V4L2_STD_PAL_BG
622 || dev->tvnorm & V4L2_STD_PAL_DK)
623 bpl_local = 352 << 1;
624 else
625 bpl_local =
626 dev->channels[channel_opened].
627 cif_width <<
628 1;
629 }
630 }
631 }
632
633 switch (buf->vb.field) {
634 case V4L2_FIELD_TOP:
635 cx25821_risc_buffer(dev->pci, &buf->risc,
636 dma->sglist, 0, UNSET,
637 buf->bpl, 0, buf->vb.height);
638 break;
639 case V4L2_FIELD_BOTTOM:
640 cx25821_risc_buffer(dev->pci, &buf->risc,
641 dma->sglist, UNSET, 0,
642 buf->bpl, 0, buf->vb.height);
643 break;
644 case V4L2_FIELD_INTERLACED:
645 /* All other formats are top field first */
646 line0_offset = 0;
647 line1_offset = buf->bpl;
648 dprintk(1, "top field first\n");
649
650 cx25821_risc_buffer(dev->pci, &buf->risc,
651 dma->sglist, line0_offset,
652 bpl_local, bpl_local, bpl_local,
653 buf->vb.height >> 1);
654 break;
655 case V4L2_FIELD_SEQ_TB:
656 cx25821_risc_buffer(dev->pci, &buf->risc,
657 dma->sglist,
658 0, buf->bpl * (buf->vb.height >> 1),
659 buf->bpl, 0, buf->vb.height >> 1);
660 break;
661 case V4L2_FIELD_SEQ_BT:
662 cx25821_risc_buffer(dev->pci, &buf->risc,
663 dma->sglist,
664 buf->bpl * (buf->vb.height >> 1), 0,
665 buf->bpl, 0, buf->vb.height >> 1);
666 break;
667 default:
668 BUG();
669 }
670 }
671
672 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
673 buf, buf->vb.i, fh->width, fh->height, fh->fmt->depth,
674 fh->fmt->name, (unsigned long)buf->risc.dma);
675
676 buf->vb.state = VIDEOBUF_PREPARED;
677
678 return 0;
679
680 fail:
681 cx25821_free_buffer(q, buf);
682 return rc;
683 }
684
685 void cx25821_buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
686 {
687 struct cx25821_buffer *buf =
688 container_of(vb, struct cx25821_buffer, vb);
689
690 cx25821_free_buffer(q, buf);
691 }
692
693 struct videobuf_queue *get_queue(struct cx25821_fh *fh)
694 {
695 switch (fh->type) {
696 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
697 return &fh->vidq;
698 default:
699 BUG();
700 return NULL;
701 }
702 }
703
704 int cx25821_get_resource(struct cx25821_fh *fh, int resource)
705 {
706 switch (fh->type) {
707 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
708 return resource;
709 default:
710 BUG();
711 return 0;
712 }
713 }
714
715 int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma)
716 {
717 struct cx25821_fh *fh = file->private_data;
718
719 return videobuf_mmap_mapper(get_queue(fh), vma);
720 }
721
722
723 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
724 {
725 struct cx25821_buffer *buf =
726 container_of(vb, struct cx25821_buffer, vb);
727 struct cx25821_buffer *prev;
728 struct cx25821_fh *fh = vq->priv_data;
729 struct cx25821_dev *dev = fh->dev;
730 struct cx25821_dmaqueue *q = &dev->channels[fh->channel_id].vidq;
731
732 /* add jump to stopper */
733 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
734 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
735 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
736
737 dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
738
739 if (!list_empty(&q->queued)) {
740 list_add_tail(&buf->vb.queue, &q->queued);
741 buf->vb.state = VIDEOBUF_QUEUED;
742 dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
743 buf->vb.i);
744
745 } else if (list_empty(&q->active)) {
746 list_add_tail(&buf->vb.queue, &q->active);
747 cx25821_start_video_dma(dev, q, buf,
748 dev->channels[fh->channel_id].
749 sram_channels);
750 buf->vb.state = VIDEOBUF_ACTIVE;
751 buf->count = q->count++;
752 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
753 dprintk(2,
754 "[%p/%d] buffer_queue - first active, buf cnt = %d, \
755 q->count = %d\n",
756 buf, buf->vb.i, buf->count, q->count);
757 } else {
758 prev =
759 list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
760 if (prev->vb.width == buf->vb.width
761 && prev->vb.height == buf->vb.height
762 && prev->fmt == buf->fmt) {
763 list_add_tail(&buf->vb.queue, &q->active);
764 buf->vb.state = VIDEOBUF_ACTIVE;
765 buf->count = q->count++;
766 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
767
768 /* 64 bit bits 63-32 */
769 prev->risc.jmp[2] = cpu_to_le32(0);
770 dprintk(2,
771 "[%p/%d] buffer_queue - append to active, \
772 buf->count=%d\n",
773 buf, buf->vb.i, buf->count);
774
775 } else {
776 list_add_tail(&buf->vb.queue, &q->queued);
777 buf->vb.state = VIDEOBUF_QUEUED;
778 dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
779 buf->vb.i);
780 }
781 }
782
783 if (list_empty(&q->active))
784 dprintk(2, "active queue empty!\n");
785 }
786
787 static struct videobuf_queue_ops cx25821_video_qops = {
788 .buf_setup = cx25821_buffer_setup,
789 .buf_prepare = cx25821_buffer_prepare,
790 .buf_queue = buffer_queue,
791 .buf_release = cx25821_buffer_release,
792 };
793
794 static int video_open(struct file *file)
795 {
796 struct video_device *vdev = video_devdata(file);
797 struct cx25821_dev *h, *dev = video_drvdata(file);
798 struct cx25821_fh *fh;
799 struct list_head *list;
800 int minor = video_devdata(file)->minor;
801 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
802 u32 pix_format;
803 int ch_id = 0;
804 int i;
805
806 dprintk(1, "open dev=%s type=%s\n",
807 video_device_node_name(vdev),
808 v4l2_type_names[type]);
809
810 /* allocate + initialize per filehandle data */
811 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
812 if (NULL == fh)
813 return -ENOMEM;
814
815 lock_kernel();
816
817 list_for_each(list, &cx25821_devlist)
818 {
819 h = list_entry(list, struct cx25821_dev, devlist);
820
821 for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) {
822 if (h->channels[i].video_dev &&
823 h->channels[i].video_dev->minor == minor) {
824 dev = h;
825 ch_id = i;
826 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
827 }
828 }
829 }
830
831 if (NULL == dev) {
832 unlock_kernel();
833 return -ENODEV;
834 }
835
836 file->private_data = fh;
837 fh->dev = dev;
838 fh->type = type;
839 fh->width = 720;
840 fh->channel_id = ch_id;
841
842 if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
843 fh->height = 576;
844 else
845 fh->height = 480;
846
847 dev->channel_opened = fh->channel_id;
848 pix_format =
849 (dev->channels[ch_id].pixel_formats ==
850 PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
851 fh->fmt = format_by_fourcc(pix_format);
852
853 v4l2_prio_open(&dev->channels[ch_id].prio, &fh->prio);
854
855 videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
856 &dev->pci->dev, &dev->slock,
857 V4L2_BUF_TYPE_VIDEO_CAPTURE,
858 V4L2_FIELD_INTERLACED,
859 sizeof(struct cx25821_buffer), fh, NULL);
860
861 dprintk(1, "post videobuf_queue_init()\n");
862 unlock_kernel();
863
864 return 0;
865 }
866
867 static ssize_t video_read(struct file *file, char __user * data, size_t count,
868 loff_t *ppos)
869 {
870 struct cx25821_fh *fh = file->private_data;
871
872 switch (fh->type) {
873 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
874 if (cx25821_res_locked(fh, RESOURCE_VIDEO0))
875 return -EBUSY;
876
877 return videobuf_read_one(&fh->vidq, data, count, ppos,
878 file->f_flags & O_NONBLOCK);
879
880 default:
881 BUG();
882 return 0;
883 }
884 }
885
886 static unsigned int video_poll(struct file *file,
887 struct poll_table_struct *wait)
888 {
889 struct cx25821_fh *fh = file->private_data;
890 struct cx25821_buffer *buf;
891
892 if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
893 /* streaming capture */
894 if (list_empty(&fh->vidq.stream))
895 return POLLERR;
896 buf = list_entry(fh->vidq.stream.next,
897 struct cx25821_buffer, vb.stream);
898 } else {
899 /* read() capture */
900 buf = (struct cx25821_buffer *)fh->vidq.read_buf;
901 if (NULL == buf)
902 return POLLERR;
903 }
904
905 poll_wait(file, &buf->vb.done, wait);
906 if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
907 if (buf->vb.state == VIDEOBUF_DONE) {
908 struct cx25821_dev *dev = fh->dev;
909
910 if (dev && dev->channels[fh->channel_id]
911 .use_cif_resolution) {
912 u8 cam_id = *((char *)buf->vb.baddr + 3);
913 memcpy((char *)buf->vb.baddr,
914 (char *)buf->vb.baddr + (fh->width * 2),
915 (fh->width * 2));
916 *((char *)buf->vb.baddr + 3) = cam_id;
917 }
918 }
919
920 return POLLIN | POLLRDNORM;
921 }
922
923 return 0;
924 }
925
926 static int video_release(struct file *file)
927 {
928 struct cx25821_fh *fh = file->private_data;
929 struct cx25821_dev *dev = fh->dev;
930
931 /* stop the risc engine and fifo */
932 cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */
933
934 /* stop video capture */
935 if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
936 videobuf_queue_cancel(&fh->vidq);
937 cx25821_res_free(dev, fh, RESOURCE_VIDEO0);
938 }
939
940 if (fh->vidq.read_buf) {
941 cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
942 kfree(fh->vidq.read_buf);
943 }
944
945 videobuf_mmap_free(&fh->vidq);
946
947 v4l2_prio_close(&dev->channels[fh->channel_id].prio, fh->prio);
948 file->private_data = NULL;
949 kfree(fh);
950
951 return 0;
952 }
953
954 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
955 {
956 struct cx25821_fh *fh = priv;
957 struct cx25821_dev *dev = fh->dev;
958
959 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
960 return -EINVAL;
961
962 if (unlikely(i != fh->type))
963 return -EINVAL;
964
965 if (unlikely(!cx25821_res_get(dev, fh,
966 cx25821_get_resource(fh, RESOURCE_VIDEO0))))
967 return -EBUSY;
968
969 return videobuf_streamon(get_queue(fh));
970 }
971
972 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
973 {
974 struct cx25821_fh *fh = priv;
975 struct cx25821_dev *dev = fh->dev;
976 int err, res;
977
978 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
979 return -EINVAL;
980 if (i != fh->type)
981 return -EINVAL;
982
983 res = cx25821_get_resource(fh, RESOURCE_VIDEO0);
984 err = videobuf_streamoff(get_queue(fh));
985 if (err < 0)
986 return err;
987 cx25821_res_free(dev, fh, res);
988 return 0;
989 }
990
991 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
992 struct v4l2_format *f)
993 {
994 struct cx25821_fh *fh = priv;
995 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
996 struct v4l2_mbus_framefmt mbus_fmt;
997 int err;
998 int pix_format = PIXEL_FRMT_422;
999
1000 if (fh) {
1001 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1002 .prio, fh->prio);
1003 if (0 != err)
1004 return err;
1005 }
1006
1007 dprintk(2, "%s()\n", __func__);
1008 err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
1009
1010 if (0 != err)
1011 return err;
1012
1013 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1014 fh->vidq.field = f->fmt.pix.field;
1015
1016 /* check if width and height is valid based on set standard */
1017 if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm))
1018 fh->width = f->fmt.pix.width;
1019
1020 if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm))
1021 fh->height = f->fmt.pix.height;
1022
1023 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
1024 pix_format = PIXEL_FRMT_411;
1025 else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
1026 pix_format = PIXEL_FRMT_422;
1027 else
1028 return -EINVAL;
1029
1030 cx25821_set_pixel_format(dev, SRAM_CH00, pix_format);
1031
1032 /* check if cif resolution */
1033 if (fh->width == 320 || fh->width == 352)
1034 dev->channels[fh->channel_id].use_cif_resolution = 1;
1035 else
1036 dev->channels[fh->channel_id].use_cif_resolution = 0;
1037
1038 dev->channels[fh->channel_id].cif_width = fh->width;
1039 medusa_set_resolution(dev, fh->width, SRAM_CH00);
1040
1041 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
1042 fh->height, fh->vidq.field);
1043 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1044 cx25821_call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1045
1046 return 0;
1047 }
1048
1049 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
1050 {
1051 int ret_val = 0;
1052 struct cx25821_fh *fh = priv;
1053 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1054
1055 ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
1056
1057 p->sequence = dev->channels[fh->channel_id].vidq.count;
1058
1059 return ret_val;
1060 }
1061
1062 static int vidioc_log_status(struct file *file, void *priv)
1063 {
1064 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1065 struct cx25821_fh *fh = priv;
1066 char name[32 + 2];
1067
1068 struct sram_channel *sram_ch = dev->channels[fh->channel_id]
1069 .sram_channels;
1070 u32 tmp = 0;
1071
1072 snprintf(name, sizeof(name), "%s/2", dev->name);
1073 printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
1074 dev->name);
1075 cx25821_call_all(dev, core, log_status);
1076 tmp = cx_read(sram_ch->dma_ctl);
1077 printk(KERN_INFO "Video input 0 is %s\n",
1078 (tmp & 0x11) ? "streaming" : "stopped");
1079 printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
1080 dev->name);
1081 return 0;
1082 }
1083
1084 static int vidioc_s_ctrl(struct file *file, void *priv,
1085 struct v4l2_control *ctl)
1086 {
1087 struct cx25821_fh *fh = priv;
1088 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1089 int err;
1090
1091 if (fh) {
1092 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1093 .prio, fh->prio);
1094 if (0 != err)
1095 return err;
1096 }
1097
1098 return cx25821_set_control(dev, ctl, fh->channel_id);
1099 }
1100
1101 /* VIDEO IOCTLS */
1102 int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f)
1103 {
1104 struct cx25821_fh *fh = priv;
1105
1106 f->fmt.pix.width = fh->width;
1107 f->fmt.pix.height = fh->height;
1108 f->fmt.pix.field = fh->vidq.field;
1109 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1110 f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3;
1111 f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
1112
1113 return 0;
1114 }
1115
1116 int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f)
1117 {
1118 struct cx25821_fmt *fmt;
1119 enum v4l2_field field;
1120 unsigned int maxw, maxh;
1121
1122 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1123 if (NULL == fmt)
1124 return -EINVAL;
1125
1126 field = f->fmt.pix.field;
1127 maxw = 720;
1128 maxh = 576;
1129
1130 if (V4L2_FIELD_ANY == field) {
1131 field = (f->fmt.pix.height > maxh / 2)
1132 ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
1133 }
1134
1135 switch (field) {
1136 case V4L2_FIELD_TOP:
1137 case V4L2_FIELD_BOTTOM:
1138 maxh = maxh / 2;
1139 break;
1140 case V4L2_FIELD_INTERLACED:
1141 break;
1142 default:
1143 return -EINVAL;
1144 }
1145
1146 f->fmt.pix.field = field;
1147 if (f->fmt.pix.height < 32)
1148 f->fmt.pix.height = 32;
1149 if (f->fmt.pix.height > maxh)
1150 f->fmt.pix.height = maxh;
1151 if (f->fmt.pix.width < 48)
1152 f->fmt.pix.width = 48;
1153 if (f->fmt.pix.width > maxw)
1154 f->fmt.pix.width = maxw;
1155 f->fmt.pix.width &= ~0x03;
1156 f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
1157 f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
1158
1159 return 0;
1160 }
1161
1162 int cx25821_vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap)
1163 {
1164 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1165
1166 strcpy(cap->driver, "cx25821");
1167 strlcpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card));
1168 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1169 cap->version = CX25821_VERSION_CODE;
1170 cap->capabilities =
1171 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1172 if (UNSET != dev->tuner_type)
1173 cap->capabilities |= V4L2_CAP_TUNER;
1174 return 0;
1175 }
1176
1177 int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1178 struct v4l2_fmtdesc *f)
1179 {
1180 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1181 return -EINVAL;
1182
1183 strlcpy(f->description, formats[f->index].name, sizeof(f->description));
1184 f->pixelformat = formats[f->index].fourcc;
1185
1186 return 0;
1187 }
1188
1189 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1190 int cx25821_vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
1191 {
1192 struct cx25821_fh *fh = priv;
1193 struct videobuf_queue *q;
1194 struct v4l2_requestbuffers req;
1195 unsigned int i;
1196 int err;
1197
1198 q = get_queue(fh);
1199 memset(&req, 0, sizeof(req));
1200 req.type = q->type;
1201 req.count = 8;
1202 req.memory = V4L2_MEMORY_MMAP;
1203 err = videobuf_reqbufs(q, &req);
1204 if (err < 0)
1205 return err;
1206
1207 mbuf->frames = req.count;
1208 mbuf->size = 0;
1209 for (i = 0; i < mbuf->frames; i++) {
1210 mbuf->offsets[i] = q->bufs[i]->boff;
1211 mbuf->size += q->bufs[i]->bsize;
1212 }
1213 return 0;
1214 }
1215 #endif
1216
1217 int cx25821_vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p)
1218 {
1219 struct cx25821_fh *fh = priv;
1220 return videobuf_reqbufs(get_queue(fh), p);
1221 }
1222
1223 int cx25821_vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
1224 {
1225 struct cx25821_fh *fh = priv;
1226 return videobuf_querybuf(get_queue(fh), p);
1227 }
1228
1229 int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
1230 {
1231 struct cx25821_fh *fh = priv;
1232 return videobuf_qbuf(get_queue(fh), p);
1233 }
1234
1235 int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
1236 {
1237 struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
1238 struct cx25821_fh *fh = f;
1239
1240 *p = v4l2_prio_max(&dev->channels[fh->channel_id].prio);
1241
1242 return 0;
1243 }
1244
1245 int cx25821_vidioc_s_priority(struct file *file, void *f, enum v4l2_priority prio)
1246 {
1247 struct cx25821_fh *fh = f;
1248 struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
1249
1250 return v4l2_prio_change(&dev->channels[fh->channel_id]
1251 .prio, &fh->prio, prio);
1252 }
1253
1254 #ifdef TUNER_FLAG
1255 int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms)
1256 {
1257 struct cx25821_fh *fh = priv;
1258 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1259 int err;
1260
1261 dprintk(1, "%s()\n", __func__);
1262
1263 if (fh) {
1264 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1265 .prio, fh->prio);
1266 if (0 != err)
1267 return err;
1268 }
1269
1270 if (dev->tvnorm == *tvnorms) {
1271 return 0;
1272 }
1273
1274 mutex_lock(&dev->lock);
1275 cx25821_set_tvnorm(dev, *tvnorms);
1276 mutex_unlock(&dev->lock);
1277
1278 medusa_set_videostandard(dev);
1279
1280 return 0;
1281 }
1282 #endif
1283
1284 int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i)
1285 {
1286 static const char *iname[] = {
1287 [CX25821_VMUX_COMPOSITE] = "Composite",
1288 [CX25821_VMUX_SVIDEO] = "S-Video",
1289 [CX25821_VMUX_DEBUG] = "for debug only",
1290 };
1291 unsigned int n;
1292 dprintk(1, "%s()\n", __func__);
1293
1294 n = i->index;
1295 if (n >= 2)
1296 return -EINVAL;
1297
1298 if (0 == INPUT(n)->type)
1299 return -EINVAL;
1300
1301 memset(i, 0, sizeof(*i));
1302 i->index = n;
1303 i->type = V4L2_INPUT_TYPE_CAMERA;
1304 strcpy(i->name, iname[INPUT(n)->type]);
1305
1306 i->std = CX25821_NORMS;
1307 return 0;
1308 }
1309
1310 int cx25821_vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1311 {
1312 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1313 dprintk(1, "%s()\n", __func__);
1314 return cx25821_enum_input(dev, i);
1315 }
1316
1317 int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1318 {
1319 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1320
1321 *i = dev->input;
1322 dprintk(1, "%s() returns %d\n", __func__, *i);
1323 return 0;
1324 }
1325
1326 int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
1327 {
1328 struct cx25821_fh *fh = priv;
1329 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1330 int err;
1331
1332 dprintk(1, "%s(%d)\n", __func__, i);
1333
1334 if (fh) {
1335 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1336 .prio, fh->prio);
1337 if (0 != err)
1338 return err;
1339 }
1340
1341 if (i > 2) {
1342 dprintk(1, "%s() -EINVAL\n", __func__);
1343 return -EINVAL;
1344 }
1345
1346 mutex_lock(&dev->lock);
1347 cx25821_video_mux(dev, i);
1348 mutex_unlock(&dev->lock);
1349 return 0;
1350 }
1351
1352 #ifdef TUNER_FLAG
1353 int cx25821_vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f)
1354 {
1355 struct cx25821_fh *fh = priv;
1356 struct cx25821_dev *dev = fh->dev;
1357
1358 f->frequency = dev->freq;
1359
1360 cx25821_call_all(dev, tuner, g_frequency, f);
1361
1362 return 0;
1363 }
1364
1365 int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f)
1366 {
1367 mutex_lock(&dev->lock);
1368 dev->freq = f->frequency;
1369
1370 cx25821_call_all(dev, tuner, s_frequency, f);
1371
1372 /* When changing channels it is required to reset TVAUDIO */
1373 msleep(10);
1374
1375 mutex_unlock(&dev->lock);
1376
1377 return 0;
1378 }
1379
1380 int cx25821_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f)
1381 {
1382 struct cx25821_fh *fh = priv;
1383 struct cx25821_dev *dev;
1384 int err;
1385
1386 if (fh) {
1387 dev = fh->dev;
1388 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1389 .prio, fh->prio);
1390 if (0 != err)
1391 return err;
1392 } else {
1393 printk(KERN_ERR "Invalid fh pointer!\n");
1394 return -EINVAL;
1395 }
1396
1397 return cx25821_set_freq(dev, f);
1398 }
1399 #endif
1400
1401 #ifdef CONFIG_VIDEO_ADV_DEBUG
1402 int cx25821_vidioc_g_register(struct file *file, void *fh,
1403 struct v4l2_dbg_register *reg)
1404 {
1405 struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev;
1406
1407 if (!v4l2_chip_match_host(&reg->match))
1408 return -EINVAL;
1409
1410 cx25821_call_all(dev, core, g_register, reg);
1411
1412 return 0;
1413 }
1414
1415 int cx25821_vidioc_s_register(struct file *file, void *fh,
1416 struct v4l2_dbg_register *reg)
1417 {
1418 struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev;
1419
1420 if (!v4l2_chip_match_host(&reg->match))
1421 return -EINVAL;
1422
1423 cx25821_call_all(dev, core, s_register, reg);
1424
1425 return 0;
1426 }
1427
1428 #endif
1429
1430 #ifdef TUNER_FLAG
1431 int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1432 {
1433 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1434
1435 if (unlikely(UNSET == dev->tuner_type))
1436 return -EINVAL;
1437 if (0 != t->index)
1438 return -EINVAL;
1439
1440 strcpy(t->name, "Television");
1441 t->type = V4L2_TUNER_ANALOG_TV;
1442 t->capability = V4L2_TUNER_CAP_NORM;
1443 t->rangehigh = 0xffffffffUL;
1444
1445 t->signal = 0xffff; /* LOCKED */
1446 return 0;
1447 }
1448
1449 int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1450 {
1451 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1452 struct cx25821_fh *fh = priv;
1453 int err;
1454
1455 if (fh) {
1456 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1457 .prio, fh->prio);
1458 if (0 != err)
1459 return err;
1460 }
1461
1462 dprintk(1, "%s()\n", __func__);
1463 if (UNSET == dev->tuner_type)
1464 return -EINVAL;
1465 if (0 != t->index)
1466 return -EINVAL;
1467
1468 return 0;
1469 }
1470
1471 #endif
1472 /*****************************************************************************/
1473 static const struct v4l2_queryctrl no_ctl = {
1474 .name = "42",
1475 .flags = V4L2_CTRL_FLAG_DISABLED,
1476 };
1477
1478 static struct v4l2_queryctrl cx25821_ctls[] = {
1479 /* --- video --- */
1480 {
1481 .id = V4L2_CID_BRIGHTNESS,
1482 .name = "Brightness",
1483 .minimum = 0,
1484 .maximum = 10000,
1485 .step = 1,
1486 .default_value = 6200,
1487 .type = V4L2_CTRL_TYPE_INTEGER,
1488 }, {
1489 .id = V4L2_CID_CONTRAST,
1490 .name = "Contrast",
1491 .minimum = 0,
1492 .maximum = 10000,
1493 .step = 1,
1494 .default_value = 5000,
1495 .type = V4L2_CTRL_TYPE_INTEGER,
1496 }, {
1497 .id = V4L2_CID_SATURATION,
1498 .name = "Saturation",
1499 .minimum = 0,
1500 .maximum = 10000,
1501 .step = 1,
1502 .default_value = 5000,
1503 .type = V4L2_CTRL_TYPE_INTEGER,
1504 }, {
1505 .id = V4L2_CID_HUE,
1506 .name = "Hue",
1507 .minimum = 0,
1508 .maximum = 10000,
1509 .step = 1,
1510 .default_value = 5000,
1511 .type = V4L2_CTRL_TYPE_INTEGER,
1512 }
1513 };
1514 static const int CX25821_CTLS = ARRAY_SIZE(cx25821_ctls);
1515
1516 static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl)
1517 {
1518 int i;
1519
1520 if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1)
1521 return -EINVAL;
1522 for (i = 0; i < CX25821_CTLS; i++)
1523 if (cx25821_ctls[i].id == qctrl->id)
1524 break;
1525 if (i == CX25821_CTLS) {
1526 *qctrl = no_ctl;
1527 return 0;
1528 }
1529 *qctrl = cx25821_ctls[i];
1530 return 0;
1531 }
1532
1533 int cx25821_vidioc_queryctrl(struct file *file, void *priv,
1534 struct v4l2_queryctrl *qctrl)
1535 {
1536 return cx25821_ctrl_query(qctrl);
1537 }
1538
1539 /* ------------------------------------------------------------------ */
1540 /* VIDEO CTRL IOCTLS */
1541
1542 static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id)
1543 {
1544 unsigned int i;
1545
1546 for (i = 0; i < CX25821_CTLS; i++)
1547 if (cx25821_ctls[i].id == id)
1548 return cx25821_ctls + i;
1549 return NULL;
1550 }
1551
1552 int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctl)
1553 {
1554 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1555 struct cx25821_fh *fh = priv;
1556
1557 const struct v4l2_queryctrl *ctrl;
1558
1559 ctrl = ctrl_by_id(ctl->id);
1560
1561 if (NULL == ctrl)
1562 return -EINVAL;
1563 switch (ctl->id) {
1564 case V4L2_CID_BRIGHTNESS:
1565 ctl->value = dev->channels[fh->channel_id].ctl_bright;
1566 break;
1567 case V4L2_CID_HUE:
1568 ctl->value = dev->channels[fh->channel_id].ctl_hue;
1569 break;
1570 case V4L2_CID_CONTRAST:
1571 ctl->value = dev->channels[fh->channel_id].ctl_contrast;
1572 break;
1573 case V4L2_CID_SATURATION:
1574 ctl->value = dev->channels[fh->channel_id].ctl_saturation;
1575 break;
1576 }
1577 return 0;
1578 }
1579
1580 int cx25821_set_control(struct cx25821_dev *dev,
1581 struct v4l2_control *ctl, int chan_num)
1582 {
1583 int err;
1584 const struct v4l2_queryctrl *ctrl;
1585
1586 err = -EINVAL;
1587
1588 ctrl = ctrl_by_id(ctl->id);
1589
1590 if (NULL == ctrl)
1591 return err;
1592
1593 switch (ctrl->type) {
1594 case V4L2_CTRL_TYPE_BOOLEAN:
1595 case V4L2_CTRL_TYPE_MENU:
1596 case V4L2_CTRL_TYPE_INTEGER:
1597 if (ctl->value < ctrl->minimum)
1598 ctl->value = ctrl->minimum;
1599 if (ctl->value > ctrl->maximum)
1600 ctl->value = ctrl->maximum;
1601 break;
1602 default:
1603 /* nothing */ ;
1604 };
1605
1606 switch (ctl->id) {
1607 case V4L2_CID_BRIGHTNESS:
1608 dev->channels[chan_num].ctl_bright = ctl->value;
1609 medusa_set_brightness(dev, ctl->value, chan_num);
1610 break;
1611 case V4L2_CID_HUE:
1612 dev->channels[chan_num].ctl_hue = ctl->value;
1613 medusa_set_hue(dev, ctl->value, chan_num);
1614 break;
1615 case V4L2_CID_CONTRAST:
1616 dev->channels[chan_num].ctl_contrast = ctl->value;
1617 medusa_set_contrast(dev, ctl->value, chan_num);
1618 break;
1619 case V4L2_CID_SATURATION:
1620 dev->channels[chan_num].ctl_saturation = ctl->value;
1621 medusa_set_saturation(dev, ctl->value, chan_num);
1622 break;
1623 }
1624
1625 err = 0;
1626
1627 return err;
1628 }
1629
1630 static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num)
1631 {
1632 struct v4l2_control ctrl;
1633 int i;
1634 for (i = 0; i < CX25821_CTLS; i++) {
1635 ctrl.id = cx25821_ctls[i].id;
1636 ctrl.value = cx25821_ctls[i].default_value;
1637
1638 cx25821_set_control(dev, &ctrl, chan_num);
1639 }
1640 }
1641
1642 int cx25821_vidioc_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cropcap)
1643 {
1644 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1645
1646 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1647 return -EINVAL;
1648 cropcap->bounds.top = cropcap->bounds.left = 0;
1649 cropcap->bounds.width = 720;
1650 cropcap->bounds.height = dev->tvnorm == V4L2_STD_PAL_BG ? 576 : 480;
1651 cropcap->pixelaspect.numerator =
1652 dev->tvnorm == V4L2_STD_PAL_BG ? 59 : 10;
1653 cropcap->pixelaspect.denominator =
1654 dev->tvnorm == V4L2_STD_PAL_BG ? 54 : 11;
1655 cropcap->defrect = cropcap->bounds;
1656 return 0;
1657 }
1658
1659 int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop)
1660 {
1661 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1662 struct cx25821_fh *fh = priv;
1663 int err;
1664
1665 if (fh) {
1666 err = v4l2_prio_check(&dev->channels[fh->channel_id].
1667 prio, fh->prio);
1668 if (0 != err)
1669 return err;
1670 }
1671 /* cx25821_vidioc_s_crop not supported */
1672 return -EINVAL;
1673 }
1674
1675 int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop)
1676 {
1677 /* cx25821_vidioc_g_crop not supported */
1678 return -EINVAL;
1679 }
1680
1681 int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm)
1682 {
1683 /* medusa does not support video standard sensing of current input */
1684 *norm = CX25821_NORMS;
1685
1686 return 0;
1687 }
1688
1689 int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm)
1690 {
1691 if (tvnorm == V4L2_STD_PAL_BG) {
1692 if (width == 352 || width == 720)
1693 return 1;
1694 else
1695 return 0;
1696 }
1697
1698 if (tvnorm == V4L2_STD_NTSC_M) {
1699 if (width == 320 || width == 352 || width == 720)
1700 return 1;
1701 else
1702 return 0;
1703 }
1704 return 0;
1705 }
1706
1707 int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm)
1708 {
1709 if (tvnorm == V4L2_STD_PAL_BG) {
1710 if (height == 576 || height == 288)
1711 return 1;
1712 else
1713 return 0;
1714 }
1715
1716 if (tvnorm == V4L2_STD_NTSC_M) {
1717 if (height == 480 || height == 240)
1718 return 1;
1719 else
1720 return 0;
1721 }
1722
1723 return 0;
1724 }
1725
1726 static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
1727 unsigned long arg)
1728 {
1729 struct cx25821_fh *fh = file->private_data;
1730 struct cx25821_dev *dev = fh->dev;
1731 int command = 0;
1732 struct upstream_user_struct *data_from_user;
1733
1734 data_from_user = (struct upstream_user_struct *)arg;
1735
1736 if (!data_from_user) {
1737 printk
1738 ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
1739 __func__);
1740 return 0;
1741 }
1742
1743 command = data_from_user->command;
1744
1745 if (command != UPSTREAM_START_VIDEO &&
1746 command != UPSTREAM_STOP_VIDEO)
1747 return 0;
1748
1749 dev->input_filename = data_from_user->input_filename;
1750 dev->input_audiofilename = data_from_user->input_filename;
1751 dev->vid_stdname = data_from_user->vid_stdname;
1752 dev->pixel_format = data_from_user->pixel_format;
1753 dev->channel_select = data_from_user->channel_select;
1754 dev->command = data_from_user->command;
1755
1756 switch (command) {
1757 case UPSTREAM_START_VIDEO:
1758 cx25821_start_upstream_video_ch1(dev, data_from_user);
1759 break;
1760
1761 case UPSTREAM_STOP_VIDEO:
1762 cx25821_stop_upstream_video_ch1(dev);
1763 break;
1764 }
1765
1766 return 0;
1767 }
1768
1769 static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
1770 unsigned long arg)
1771 {
1772 struct cx25821_fh *fh = file->private_data;
1773 struct cx25821_dev *dev = fh->dev;
1774 int command = 0;
1775 struct upstream_user_struct *data_from_user;
1776
1777 data_from_user = (struct upstream_user_struct *)arg;
1778
1779 if (!data_from_user) {
1780 printk
1781 ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
1782 __func__);
1783 return 0;
1784 }
1785
1786 command = data_from_user->command;
1787
1788 if (command != UPSTREAM_START_VIDEO &&
1789 command != UPSTREAM_STOP_VIDEO)
1790 return 0;
1791
1792 dev->input_filename_ch2 = data_from_user->input_filename;
1793 dev->input_audiofilename = data_from_user->input_filename;
1794 dev->vid_stdname_ch2 = data_from_user->vid_stdname;
1795 dev->pixel_format_ch2 = data_from_user->pixel_format;
1796 dev->channel_select_ch2 = data_from_user->channel_select;
1797 dev->command_ch2 = data_from_user->command;
1798
1799 switch (command) {
1800 case UPSTREAM_START_VIDEO:
1801 cx25821_start_upstream_video_ch2(dev, data_from_user);
1802 break;
1803
1804 case UPSTREAM_STOP_VIDEO:
1805 cx25821_stop_upstream_video_ch2(dev);
1806 break;
1807 }
1808
1809 return 0;
1810 }
1811
1812 static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
1813 unsigned long arg)
1814 {
1815 struct cx25821_fh *fh = file->private_data;
1816 struct cx25821_dev *dev = fh->dev;
1817 int command = 0;
1818 struct upstream_user_struct *data_from_user;
1819
1820 data_from_user = (struct upstream_user_struct *)arg;
1821
1822 if (!data_from_user) {
1823 printk
1824 ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
1825 __func__);
1826 return 0;
1827 }
1828
1829 command = data_from_user->command;
1830
1831 if (command != UPSTREAM_START_AUDIO &&
1832 command != UPSTREAM_STOP_AUDIO)
1833 return 0;
1834
1835 dev->input_filename = data_from_user->input_filename;
1836 dev->input_audiofilename = data_from_user->input_filename;
1837 dev->vid_stdname = data_from_user->vid_stdname;
1838 dev->pixel_format = data_from_user->pixel_format;
1839 dev->channel_select = data_from_user->channel_select;
1840 dev->command = data_from_user->command;
1841
1842 switch (command) {
1843 case UPSTREAM_START_AUDIO:
1844 cx25821_start_upstream_audio(dev, data_from_user);
1845 break;
1846
1847 case UPSTREAM_STOP_AUDIO:
1848 cx25821_stop_upstream_audio(dev);
1849 break;
1850 }
1851
1852 return 0;
1853 }
1854
1855 static long video_ioctl_set(struct file *file, unsigned int cmd,
1856 unsigned long arg)
1857 {
1858 struct cx25821_fh *fh = file->private_data;
1859 struct cx25821_dev *dev = fh->dev;
1860 struct downstream_user_struct *data_from_user;
1861 int command;
1862 int width = 720;
1863 int selected_channel = 0, pix_format = 0, i = 0;
1864 int cif_enable = 0, cif_width = 0;
1865 u32 value = 0;
1866
1867 data_from_user = (struct downstream_user_struct *)arg;
1868
1869 if (!data_from_user) {
1870 printk(
1871 "cx25821 in %s(): User data is INVALID. Returning.\n",
1872 __func__);
1873 return 0;
1874 }
1875
1876 command = data_from_user->command;
1877
1878 if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT
1879 && command != ENABLE_CIF_RESOLUTION && command != REG_READ
1880 && command != REG_WRITE && command != MEDUSA_READ
1881 && command != MEDUSA_WRITE) {
1882 return 0;
1883 }
1884
1885 switch (command) {
1886 case SET_VIDEO_STD:
1887 dev->tvnorm =
1888 !strcmp(data_from_user->vid_stdname,
1889 "PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
1890 medusa_set_videostandard(dev);
1891 break;
1892
1893 case SET_PIXEL_FORMAT:
1894 selected_channel = data_from_user->decoder_select;
1895 pix_format = data_from_user->pixel_format;
1896
1897 if (!(selected_channel <= 7 && selected_channel >= 0)) {
1898 selected_channel -= 4;
1899 selected_channel = selected_channel % 8;
1900 }
1901
1902 if (selected_channel >= 0)
1903 cx25821_set_pixel_format(dev, selected_channel,
1904 pix_format);
1905
1906 break;
1907
1908 case ENABLE_CIF_RESOLUTION:
1909 selected_channel = data_from_user->decoder_select;
1910 cif_enable = data_from_user->cif_resolution_enable;
1911 cif_width = data_from_user->cif_width;
1912
1913 if (cif_enable) {
1914 if (dev->tvnorm & V4L2_STD_PAL_BG
1915 || dev->tvnorm & V4L2_STD_PAL_DK)
1916 width = 352;
1917 else
1918 width = (cif_width == 320
1919 || cif_width == 352) ? cif_width : 320;
1920 }
1921
1922 if (!(selected_channel <= 7 && selected_channel >= 0)) {
1923 selected_channel -= 4;
1924 selected_channel = selected_channel % 8;
1925 }
1926
1927 if (selected_channel <= 7 && selected_channel >= 0) {
1928 dev->channels[selected_channel].
1929 use_cif_resolution = cif_enable;
1930 dev->channels[selected_channel].cif_width = width;
1931 } else {
1932 for (i = 0; i < VID_CHANNEL_NUM; i++) {
1933 dev->channels[i].use_cif_resolution =
1934 cif_enable;
1935 dev->channels[i].cif_width = width;
1936 }
1937 }
1938
1939 medusa_set_resolution(dev, width, selected_channel);
1940 break;
1941 case REG_READ:
1942 data_from_user->reg_data = cx_read(data_from_user->reg_address);
1943 break;
1944 case REG_WRITE:
1945 cx_write(data_from_user->reg_address, data_from_user->reg_data);
1946 break;
1947 case MEDUSA_READ:
1948 value =
1949 cx25821_i2c_read(&dev->i2c_bus[0],
1950 (u16) data_from_user->reg_address,
1951 &data_from_user->reg_data);
1952 break;
1953 case MEDUSA_WRITE:
1954 cx25821_i2c_write(&dev->i2c_bus[0],
1955 (u16) data_from_user->reg_address,
1956 data_from_user->reg_data);
1957 break;
1958 }
1959
1960 return 0;
1961 }
1962
1963 static long cx25821_video_ioctl(struct file *file,
1964 unsigned int cmd, unsigned long arg)
1965 {
1966 int ret = 0;
1967
1968 struct cx25821_fh *fh = file->private_data;
1969
1970 /* check to see if it's the video upstream */
1971 if (fh->channel_id == SRAM_CH09) {
1972 ret = video_ioctl_upstream9(file, cmd, arg);
1973 return ret;
1974 } else if (fh->channel_id == SRAM_CH10) {
1975 ret = video_ioctl_upstream10(file, cmd, arg);
1976 return ret;
1977 } else if (fh->channel_id == SRAM_CH11) {
1978 ret = video_ioctl_upstream11(file, cmd, arg);
1979 ret = video_ioctl_set(file, cmd, arg);
1980 return ret;
1981 }
1982
1983 return video_ioctl2(file, cmd, arg);
1984 }
1985
1986 /* exported stuff */
1987 static const struct v4l2_file_operations video_fops = {
1988 .owner = THIS_MODULE,
1989 .open = video_open,
1990 .release = video_release,
1991 .read = video_read,
1992 .poll = video_poll,
1993 .mmap = cx25821_video_mmap,
1994 .ioctl = cx25821_video_ioctl,
1995 };
1996
1997 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1998 .vidioc_querycap = cx25821_vidioc_querycap,
1999 .vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
2000 .vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
2001 .vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
2002 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
2003 .vidioc_reqbufs = cx25821_vidioc_reqbufs,
2004 .vidioc_querybuf = cx25821_vidioc_querybuf,
2005 .vidioc_qbuf = cx25821_vidioc_qbuf,
2006 .vidioc_dqbuf = vidioc_dqbuf,
2007 #ifdef TUNER_FLAG
2008 .vidioc_s_std = cx25821_vidioc_s_std,
2009 .vidioc_querystd = cx25821_vidioc_querystd,
2010 #endif
2011 .vidioc_cropcap = cx25821_vidioc_cropcap,
2012 .vidioc_s_crop = cx25821_vidioc_s_crop,
2013 .vidioc_g_crop = cx25821_vidioc_g_crop,
2014 .vidioc_enum_input = cx25821_vidioc_enum_input,
2015 .vidioc_g_input = cx25821_vidioc_g_input,
2016 .vidioc_s_input = cx25821_vidioc_s_input,
2017 .vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
2018 .vidioc_s_ctrl = vidioc_s_ctrl,
2019 .vidioc_queryctrl = cx25821_vidioc_queryctrl,
2020 .vidioc_streamon = vidioc_streamon,
2021 .vidioc_streamoff = vidioc_streamoff,
2022 .vidioc_log_status = vidioc_log_status,
2023 .vidioc_g_priority = cx25821_vidioc_g_priority,
2024 .vidioc_s_priority = cx25821_vidioc_s_priority,
2025 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2026 .vidiocgmbuf = cx25821_vidiocgmbuf,
2027 #endif
2028 #ifdef TUNER_FLAG
2029 .vidioc_g_tuner = cx25821_vidioc_g_tuner,
2030 .vidioc_s_tuner = cx25821_vidioc_s_tuner,
2031 .vidioc_g_frequency = cx25821_vidioc_g_frequency,
2032 .vidioc_s_frequency = cx25821_vidioc_s_frequency,
2033 #endif
2034 #ifdef CONFIG_VIDEO_ADV_DEBUG
2035 .vidioc_g_register = cx25821_vidioc_g_register,
2036 .vidioc_s_register = cx25821_vidioc_s_register,
2037 #endif
2038 };
2039
2040 struct video_device cx25821_videoioctl_template = {
2041 .name = "cx25821-videoioctl",
2042 .fops = &video_fops,
2043 .ioctl_ops = &video_ioctl_ops,
2044 .tvnorms = CX25821_NORMS,
2045 .current_norm = V4L2_STD_NTSC_M,
2046 };
Linux kernel - Deliverables
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