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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / staging / cx25821 / cx25821-video.c
blob0d318c739528670a6a816018de30d75bde8d2fe2
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 *cx25821_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 = cx25821_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);
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 int err;
997 int pix_format = PIXEL_FRMT_422;
998
999 if (fh) {
1000 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1001 .prio, fh->prio);
1002 if (0 != err)
1003 return err;
1004 }
1005
1006 dprintk(2, "%s()\n", __func__);
1007 err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
1008
1009 if (0 != err)
1010 return err;
1011
1012 fh->fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
1013 fh->vidq.field = f->fmt.pix.field;
1014
1015 /* check if width and height is valid based on set standard */
1016 if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm))
1017 fh->width = f->fmt.pix.width;
1018
1019 if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm))
1020 fh->height = f->fmt.pix.height;
1021
1022 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
1023 pix_format = PIXEL_FRMT_411;
1024 else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
1025 pix_format = PIXEL_FRMT_422;
1026 else
1027 return -EINVAL;
1028
1029 cx25821_set_pixel_format(dev, SRAM_CH00, pix_format);
1030
1031 /* check if cif resolution */
1032 if (fh->width == 320 || fh->width == 352)
1033 dev->channels[fh->channel_id].use_cif_resolution = 1;
1034 else
1035 dev->channels[fh->channel_id].use_cif_resolution = 0;
1036
1037 dev->channels[fh->channel_id].cif_width = fh->width;
1038 medusa_set_resolution(dev, fh->width, SRAM_CH00);
1039
1040 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
1041 fh->height, fh->vidq.field);
1042 cx25821_call_all(dev, video, s_fmt, f);
1043
1044 return 0;
1045 }
1046
1047 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
1048 {
1049 int ret_val = 0;
1050 struct cx25821_fh *fh = priv;
1051 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1052
1053 ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
1054
1055 p->sequence = dev->channels[fh->channel_id].vidq.count;
1056
1057 return ret_val;
1058 }
1059
1060 static int vidioc_log_status(struct file *file, void *priv)
1061 {
1062 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1063 struct cx25821_fh *fh = priv;
1064 char name[32 + 2];
1065
1066 struct sram_channel *sram_ch = dev->channels[fh->channel_id]
1067 .sram_channels;
1068 u32 tmp = 0;
1069
1070 snprintf(name, sizeof(name), "%s/2", dev->name);
1071 printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
1072 dev->name);
1073 cx25821_call_all(dev, core, log_status);
1074 tmp = cx_read(sram_ch->dma_ctl);
1075 printk(KERN_INFO "Video input 0 is %s\n",
1076 (tmp & 0x11) ? "streaming" : "stopped");
1077 printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
1078 dev->name);
1079 return 0;
1080 }
1081
1082 static int vidioc_s_ctrl(struct file *file, void *priv,
1083 struct v4l2_control *ctl)
1084 {
1085 struct cx25821_fh *fh = priv;
1086 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1087 int err;
1088
1089 if (fh) {
1090 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1091 .prio, fh->prio);
1092 if (0 != err)
1093 return err;
1094 }
1095
1096 return cx25821_set_control(dev, ctl, fh->channel_id);
1097 }
1098
1099 /* VIDEO IOCTLS */
1100 int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f)
1101 {
1102 struct cx25821_fh *fh = priv;
1103
1104 f->fmt.pix.width = fh->width;
1105 f->fmt.pix.height = fh->height;
1106 f->fmt.pix.field = fh->vidq.field;
1107 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1108 f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3;
1109 f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
1110
1111 return 0;
1112 }
1113
1114 int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f)
1115 {
1116 struct cx25821_fmt *fmt;
1117 enum v4l2_field field;
1118 unsigned int maxw, maxh;
1119
1120 fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
1121 if (NULL == fmt)
1122 return -EINVAL;
1123
1124 field = f->fmt.pix.field;
1125 maxw = 720;
1126 maxh = 576;
1127
1128 if (V4L2_FIELD_ANY == field) {
1129 field = (f->fmt.pix.height > maxh / 2)
1130 ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
1131 }
1132
1133 switch (field) {
1134 case V4L2_FIELD_TOP:
1135 case V4L2_FIELD_BOTTOM:
1136 maxh = maxh / 2;
1137 break;
1138 case V4L2_FIELD_INTERLACED:
1139 break;
1140 default:
1141 return -EINVAL;
1142 }
1143
1144 f->fmt.pix.field = field;
1145 if (f->fmt.pix.height < 32)
1146 f->fmt.pix.height = 32;
1147 if (f->fmt.pix.height > maxh)
1148 f->fmt.pix.height = maxh;
1149 if (f->fmt.pix.width < 48)
1150 f->fmt.pix.width = 48;
1151 if (f->fmt.pix.width > maxw)
1152 f->fmt.pix.width = maxw;
1153 f->fmt.pix.width &= ~0x03;
1154 f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
1155 f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
1156
1157 return 0;
1158 }
1159
1160 int cx25821_vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap)
1161 {
1162 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1163
1164 strcpy(cap->driver, "cx25821");
1165 strlcpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card));
1166 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1167 cap->version = CX25821_VERSION_CODE;
1168 cap->capabilities =
1169 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1170 if (UNSET != dev->tuner_type)
1171 cap->capabilities |= V4L2_CAP_TUNER;
1172 return 0;
1173 }
1174
1175 int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1176 struct v4l2_fmtdesc *f)
1177 {
1178 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1179 return -EINVAL;
1180
1181 strlcpy(f->description, formats[f->index].name, sizeof(f->description));
1182 f->pixelformat = formats[f->index].fourcc;
1183
1184 return 0;
1185 }
1186
1187 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1188 int cx25821_vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
1189 {
1190 struct cx25821_fh *fh = priv;
1191 struct videobuf_queue *q;
1192 struct v4l2_requestbuffers req;
1193 unsigned int i;
1194 int err;
1195
1196 q = get_queue(fh);
1197 memset(&req, 0, sizeof(req));
1198 req.type = q->type;
1199 req.count = 8;
1200 req.memory = V4L2_MEMORY_MMAP;
1201 err = videobuf_reqbufs(q, &req);
1202 if (err < 0)
1203 return err;
1204
1205 mbuf->frames = req.count;
1206 mbuf->size = 0;
1207 for (i = 0; i < mbuf->frames; i++) {
1208 mbuf->offsets[i] = q->bufs[i]->boff;
1209 mbuf->size += q->bufs[i]->bsize;
1210 }
1211 return 0;
1212 }
1213 #endif
1214
1215 int cx25821_vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p)
1216 {
1217 struct cx25821_fh *fh = priv;
1218 return videobuf_reqbufs(get_queue(fh), p);
1219 }
1220
1221 int cx25821_vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
1222 {
1223 struct cx25821_fh *fh = priv;
1224 return videobuf_querybuf(get_queue(fh), p);
1225 }
1226
1227 int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
1228 {
1229 struct cx25821_fh *fh = priv;
1230 return videobuf_qbuf(get_queue(fh), p);
1231 }
1232
1233 int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
1234 {
1235 struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
1236 struct cx25821_fh *fh = f;
1237
1238 *p = v4l2_prio_max(&dev->channels[fh->channel_id].prio);
1239
1240 return 0;
1241 }
1242
1243 int cx25821_vidioc_s_priority(struct file *file, void *f, enum v4l2_priority prio)
1244 {
1245 struct cx25821_fh *fh = f;
1246 struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
1247
1248 return v4l2_prio_change(&dev->channels[fh->channel_id]
1249 .prio, &fh->prio, prio);
1250 }
1251
1252 #ifdef TUNER_FLAG
1253 int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms)
1254 {
1255 struct cx25821_fh *fh = priv;
1256 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1257 int err;
1258
1259 dprintk(1, "%s()\n", __func__);
1260
1261 if (fh) {
1262 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1263 .prio, fh->prio);
1264 if (0 != err)
1265 return err;
1266 }
1267
1268 if (dev->tvnorm == *tvnorms) {
1269 return 0;
1270 }
1271
1272 mutex_lock(&dev->lock);
1273 cx25821_set_tvnorm(dev, *tvnorms);
1274 mutex_unlock(&dev->lock);
1275
1276 medusa_set_videostandard(dev);
1277
1278 return 0;
1279 }
1280 #endif
1281
1282 int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i)
1283 {
1284 static const char *iname[] = {
1285 [CX25821_VMUX_COMPOSITE] = "Composite",
1286 [CX25821_VMUX_SVIDEO] = "S-Video",
1287 [CX25821_VMUX_DEBUG] = "for debug only",
1288 };
1289 unsigned int n;
1290 dprintk(1, "%s()\n", __func__);
1291
1292 n = i->index;
1293 if (n >= 2)
1294 return -EINVAL;
1295
1296 if (0 == INPUT(n)->type)
1297 return -EINVAL;
1298
1299 memset(i, 0, sizeof(*i));
1300 i->index = n;
1301 i->type = V4L2_INPUT_TYPE_CAMERA;
1302 strcpy(i->name, iname[INPUT(n)->type]);
1303
1304 i->std = CX25821_NORMS;
1305 return 0;
1306 }
1307
1308 int cx25821_vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1309 {
1310 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1311 dprintk(1, "%s()\n", __func__);
1312 return cx25821_enum_input(dev, i);
1313 }
1314
1315 int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1316 {
1317 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1318
1319 *i = dev->input;
1320 dprintk(1, "%s() returns %d\n", __func__, *i);
1321 return 0;
1322 }
1323
1324 int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
1325 {
1326 struct cx25821_fh *fh = priv;
1327 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1328 int err;
1329
1330 dprintk(1, "%s(%d)\n", __func__, i);
1331
1332 if (fh) {
1333 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1334 .prio, fh->prio);
1335 if (0 != err)
1336 return err;
1337 }
1338
1339 if (i > 2) {
1340 dprintk(1, "%s() -EINVAL\n", __func__);
1341 return -EINVAL;
1342 }
1343
1344 mutex_lock(&dev->lock);
1345 cx25821_video_mux(dev, i);
1346 mutex_unlock(&dev->lock);
1347 return 0;
1348 }
1349
1350 #ifdef TUNER_FLAG
1351 int cx25821_vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f)
1352 {
1353 struct cx25821_fh *fh = priv;
1354 struct cx25821_dev *dev = fh->dev;
1355
1356 f->frequency = dev->freq;
1357
1358 cx25821_call_all(dev, tuner, g_frequency, f);
1359
1360 return 0;
1361 }
1362
1363 int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f)
1364 {
1365 mutex_lock(&dev->lock);
1366 dev->freq = f->frequency;
1367
1368 cx25821_call_all(dev, tuner, s_frequency, f);
1369
1370 /* When changing channels it is required to reset TVAUDIO */
1371 msleep(10);
1372
1373 mutex_unlock(&dev->lock);
1374
1375 return 0;
1376 }
1377
1378 int cx25821_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f)
1379 {
1380 struct cx25821_fh *fh = priv;
1381 struct cx25821_dev *dev;
1382 int err;
1383
1384 if (fh) {
1385 dev = fh->dev;
1386 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1387 .prio, fh->prio);
1388 if (0 != err)
1389 return err;
1390 } else {
1391 printk(KERN_ERR "Invalid fh pointer!\n");
1392 return -EINVAL;
1393 }
1394
1395 return cx25821_set_freq(dev, f);
1396 }
1397 #endif
1398
1399 #ifdef CONFIG_VIDEO_ADV_DEBUG
1400 int cx25821_vidioc_g_register(struct file *file, void *fh,
1401 struct v4l2_dbg_register *reg)
1402 {
1403 struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev;
1404
1405 if (!v4l2_chip_match_host(&reg->match))
1406 return -EINVAL;
1407
1408 cx25821_call_all(dev, core, g_register, reg);
1409
1410 return 0;
1411 }
1412
1413 int cx25821_vidioc_s_register(struct file *file, void *fh,
1414 struct v4l2_dbg_register *reg)
1415 {
1416 struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev;
1417
1418 if (!v4l2_chip_match_host(&reg->match))
1419 return -EINVAL;
1420
1421 cx25821_call_all(dev, core, s_register, reg);
1422
1423 return 0;
1424 }
1425
1426 #endif
1427
1428 #ifdef TUNER_FLAG
1429 int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1430 {
1431 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1432
1433 if (unlikely(UNSET == dev->tuner_type))
1434 return -EINVAL;
1435 if (0 != t->index)
1436 return -EINVAL;
1437
1438 strcpy(t->name, "Television");
1439 t->type = V4L2_TUNER_ANALOG_TV;
1440 t->capability = V4L2_TUNER_CAP_NORM;
1441 t->rangehigh = 0xffffffffUL;
1442
1443 t->signal = 0xffff; /* LOCKED */
1444 return 0;
1445 }
1446
1447 int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1448 {
1449 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1450 struct cx25821_fh *fh = priv;
1451 int err;
1452
1453 if (fh) {
1454 err = v4l2_prio_check(&dev->channels[fh->channel_id]
1455 .prio, fh->prio);
1456 if (0 != err)
1457 return err;
1458 }
1459
1460 dprintk(1, "%s()\n", __func__);
1461 if (UNSET == dev->tuner_type)
1462 return -EINVAL;
1463 if (0 != t->index)
1464 return -EINVAL;
1465
1466 return 0;
1467 }
1468
1469 #endif
1470 /*****************************************************************************/
1471 static const struct v4l2_queryctrl no_ctl = {
1472 .name = "42",
1473 .flags = V4L2_CTRL_FLAG_DISABLED,
1474 };
1475
1476 static struct v4l2_queryctrl cx25821_ctls[] = {
1477 /* --- video --- */
1478 {
1479 .id = V4L2_CID_BRIGHTNESS,
1480 .name = "Brightness",
1481 .minimum = 0,
1482 .maximum = 10000,
1483 .step = 1,
1484 .default_value = 6200,
1485 .type = V4L2_CTRL_TYPE_INTEGER,
1486 }, {
1487 .id = V4L2_CID_CONTRAST,
1488 .name = "Contrast",
1489 .minimum = 0,
1490 .maximum = 10000,
1491 .step = 1,
1492 .default_value = 5000,
1493 .type = V4L2_CTRL_TYPE_INTEGER,
1494 }, {
1495 .id = V4L2_CID_SATURATION,
1496 .name = "Saturation",
1497 .minimum = 0,
1498 .maximum = 10000,
1499 .step = 1,
1500 .default_value = 5000,
1501 .type = V4L2_CTRL_TYPE_INTEGER,
1502 }, {
1503 .id = V4L2_CID_HUE,
1504 .name = "Hue",
1505 .minimum = 0,
1506 .maximum = 10000,
1507 .step = 1,
1508 .default_value = 5000,
1509 .type = V4L2_CTRL_TYPE_INTEGER,
1510 }
1511 };
1512 static const int CX25821_CTLS = ARRAY_SIZE(cx25821_ctls);
1513
1514 static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl)
1515 {
1516 int i;
1517
1518 if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1)
1519 return -EINVAL;
1520 for (i = 0; i < CX25821_CTLS; i++)
1521 if (cx25821_ctls[i].id == qctrl->id)
1522 break;
1523 if (i == CX25821_CTLS) {
1524 *qctrl = no_ctl;
1525 return 0;
1526 }
1527 *qctrl = cx25821_ctls[i];
1528 return 0;
1529 }
1530
1531 int cx25821_vidioc_queryctrl(struct file *file, void *priv,
1532 struct v4l2_queryctrl *qctrl)
1533 {
1534 return cx25821_ctrl_query(qctrl);
1535 }
1536
1537 /* ------------------------------------------------------------------ */
1538 /* VIDEO CTRL IOCTLS */
1539
1540 static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id)
1541 {
1542 unsigned int i;
1543
1544 for (i = 0; i < CX25821_CTLS; i++)
1545 if (cx25821_ctls[i].id == id)
1546 return cx25821_ctls + i;
1547 return NULL;
1548 }
1549
1550 int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctl)
1551 {
1552 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1553 struct cx25821_fh *fh = priv;
1554
1555 const struct v4l2_queryctrl *ctrl;
1556
1557 ctrl = ctrl_by_id(ctl->id);
1558
1559 if (NULL == ctrl)
1560 return -EINVAL;
1561 switch (ctl->id) {
1562 case V4L2_CID_BRIGHTNESS:
1563 ctl->value = dev->channels[fh->channel_id].ctl_bright;
1564 break;
1565 case V4L2_CID_HUE:
1566 ctl->value = dev->channels[fh->channel_id].ctl_hue;
1567 break;
1568 case V4L2_CID_CONTRAST:
1569 ctl->value = dev->channels[fh->channel_id].ctl_contrast;
1570 break;
1571 case V4L2_CID_SATURATION:
1572 ctl->value = dev->channels[fh->channel_id].ctl_saturation;
1573 break;
1574 }
1575 return 0;
1576 }
1577
1578 int cx25821_set_control(struct cx25821_dev *dev,
1579 struct v4l2_control *ctl, int chan_num)
1580 {
1581 int err;
1582 const struct v4l2_queryctrl *ctrl;
1583
1584 err = -EINVAL;
1585
1586 ctrl = ctrl_by_id(ctl->id);
1587
1588 if (NULL == ctrl)
1589 return err;
1590
1591 switch (ctrl->type) {
1592 case V4L2_CTRL_TYPE_BOOLEAN:
1593 case V4L2_CTRL_TYPE_MENU:
1594 case V4L2_CTRL_TYPE_INTEGER:
1595 if (ctl->value < ctrl->minimum)
1596 ctl->value = ctrl->minimum;
1597 if (ctl->value > ctrl->maximum)
1598 ctl->value = ctrl->maximum;
1599 break;
1600 default:
1601 /* nothing */ ;
1602 };
1603
1604 switch (ctl->id) {
1605 case V4L2_CID_BRIGHTNESS:
1606 dev->channels[chan_num].ctl_bright = ctl->value;
1607 medusa_set_brightness(dev, ctl->value, chan_num);
1608 break;
1609 case V4L2_CID_HUE:
1610 dev->channels[chan_num].ctl_hue = ctl->value;
1611 medusa_set_hue(dev, ctl->value, chan_num);
1612 break;
1613 case V4L2_CID_CONTRAST:
1614 dev->channels[chan_num].ctl_contrast = ctl->value;
1615 medusa_set_contrast(dev, ctl->value, chan_num);
1616 break;
1617 case V4L2_CID_SATURATION:
1618 dev->channels[chan_num].ctl_saturation = ctl->value;
1619 medusa_set_saturation(dev, ctl->value, chan_num);
1620 break;
1621 }
1622
1623 err = 0;
1624
1625 return err;
1626 }
1627
1628 static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num)
1629 {
1630 struct v4l2_control ctrl;
1631 int i;
1632 for (i = 0; i < CX25821_CTLS; i++) {
1633 ctrl.id = cx25821_ctls[i].id;
1634 ctrl.value = cx25821_ctls[i].default_value;
1635
1636 cx25821_set_control(dev, &ctrl, chan_num);
1637 }
1638 }
1639
1640 int cx25821_vidioc_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cropcap)
1641 {
1642 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1643
1644 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1645 return -EINVAL;
1646 cropcap->bounds.top = cropcap->bounds.left = 0;
1647 cropcap->bounds.width = 720;
1648 cropcap->bounds.height = dev->tvnorm == V4L2_STD_PAL_BG ? 576 : 480;
1649 cropcap->pixelaspect.numerator =
1650 dev->tvnorm == V4L2_STD_PAL_BG ? 59 : 10;
1651 cropcap->pixelaspect.denominator =
1652 dev->tvnorm == V4L2_STD_PAL_BG ? 54 : 11;
1653 cropcap->defrect = cropcap->bounds;
1654 return 0;
1655 }
1656
1657 int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop)
1658 {
1659 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
1660 struct cx25821_fh *fh = priv;
1661 int err;
1662
1663 if (fh) {
1664 err = v4l2_prio_check(&dev->channels[fh->channel_id].
1665 prio, fh->prio);
1666 if (0 != err)
1667 return err;
1668 }
1669 /* cx25821_vidioc_s_crop not supported */
1670 return -EINVAL;
1671 }
1672
1673 int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop)
1674 {
1675 /* cx25821_vidioc_g_crop not supported */
1676 return -EINVAL;
1677 }
1678
1679 int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm)
1680 {
1681 /* medusa does not support video standard sensing of current input */
1682 *norm = CX25821_NORMS;
1683
1684 return 0;
1685 }
1686
1687 int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm)
1688 {
1689 if (tvnorm == V4L2_STD_PAL_BG) {
1690 if (width == 352 || width == 720)
1691 return 1;
1692 else
1693 return 0;
1694 }
1695
1696 if (tvnorm == V4L2_STD_NTSC_M) {
1697 if (width == 320 || width == 352 || width == 720)
1698 return 1;
1699 else
1700 return 0;
1701 }
1702 return 0;
1703 }
1704
1705 int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm)
1706 {
1707 if (tvnorm == V4L2_STD_PAL_BG) {
1708 if (height == 576 || height == 288)
1709 return 1;
1710 else
1711 return 0;
1712 }
1713
1714 if (tvnorm == V4L2_STD_NTSC_M) {
1715 if (height == 480 || height == 240)
1716 return 1;
1717 else
1718 return 0;
1719 }
1720
1721 return 0;
1722 }
1723
1724 static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
1725 unsigned long arg)
1726 {
1727 struct cx25821_fh *fh = file->private_data;
1728 struct cx25821_dev *dev = fh->dev;
1729 int command = 0;
1730 struct upstream_user_struct *data_from_user;
1731
1732 data_from_user = (struct upstream_user_struct *)arg;
1733
1734 if (!data_from_user) {
1735 printk
1736 ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
1737 __func__);
1738 return 0;
1739 }
1740
1741 command = data_from_user->command;
1742
1743 if (command != UPSTREAM_START_VIDEO &&
1744 command != UPSTREAM_STOP_VIDEO)
1745 return 0;
1746
1747 dev->input_filename = data_from_user->input_filename;
1748 dev->input_audiofilename = data_from_user->input_filename;
1749 dev->vid_stdname = data_from_user->vid_stdname;
1750 dev->pixel_format = data_from_user->pixel_format;
1751 dev->channel_select = data_from_user->channel_select;
1752 dev->command = data_from_user->command;
1753
1754 switch (command) {
1755 case UPSTREAM_START_VIDEO:
1756 cx25821_start_upstream_video_ch1(dev, data_from_user);
1757 break;
1758
1759 case UPSTREAM_STOP_VIDEO:
1760 cx25821_stop_upstream_video_ch1(dev);
1761 break;
1762 }
1763
1764 return 0;
1765 }
1766
1767 static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
1768 unsigned long arg)
1769 {
1770 struct cx25821_fh *fh = file->private_data;
1771 struct cx25821_dev *dev = fh->dev;
1772 int command = 0;
1773 struct upstream_user_struct *data_from_user;
1774
1775 data_from_user = (struct upstream_user_struct *)arg;
1776
1777 if (!data_from_user) {
1778 printk
1779 ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
1780 __func__);
1781 return 0;
1782 }
1783
1784 command = data_from_user->command;
1785
1786 if (command != UPSTREAM_START_VIDEO &&
1787 command != UPSTREAM_STOP_VIDEO)
1788 return 0;
1789
1790 dev->input_filename_ch2 = data_from_user->input_filename;
1791 dev->input_audiofilename = data_from_user->input_filename;
1792 dev->vid_stdname_ch2 = data_from_user->vid_stdname;
1793 dev->pixel_format_ch2 = data_from_user->pixel_format;
1794 dev->channel_select_ch2 = data_from_user->channel_select;
1795 dev->command_ch2 = data_from_user->command;
1796
1797 switch (command) {
1798 case UPSTREAM_START_VIDEO:
1799 cx25821_start_upstream_video_ch2(dev, data_from_user);
1800 break;
1801
1802 case UPSTREAM_STOP_VIDEO:
1803 cx25821_stop_upstream_video_ch2(dev);
1804 break;
1805 }
1806
1807 return 0;
1808 }
1809
1810 static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
1811 unsigned long arg)
1812 {
1813 struct cx25821_fh *fh = file->private_data;
1814 struct cx25821_dev *dev = fh->dev;
1815 int command = 0;
1816 struct upstream_user_struct *data_from_user;
1817
1818 data_from_user = (struct upstream_user_struct *)arg;
1819
1820 if (!data_from_user) {
1821 printk
1822 ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
1823 __func__);
1824 return 0;
1825 }
1826
1827 command = data_from_user->command;
1828
1829 if (command != UPSTREAM_START_AUDIO &&
1830 command != UPSTREAM_STOP_AUDIO)
1831 return 0;
1832
1833 dev->input_filename = data_from_user->input_filename;
1834 dev->input_audiofilename = data_from_user->input_filename;
1835 dev->vid_stdname = data_from_user->vid_stdname;
1836 dev->pixel_format = data_from_user->pixel_format;
1837 dev->channel_select = data_from_user->channel_select;
1838 dev->command = data_from_user->command;
1839
1840 switch (command) {
1841 case UPSTREAM_START_AUDIO:
1842 cx25821_start_upstream_audio(dev, data_from_user);
1843 break;
1844
1845 case UPSTREAM_STOP_AUDIO:
1846 cx25821_stop_upstream_audio(dev);
1847 break;
1848 }
1849
1850 return 0;
1851 }
1852
1853 static long video_ioctl_set(struct file *file, unsigned int cmd,
1854 unsigned long arg)
1855 {
1856 struct cx25821_fh *fh = file->private_data;
1857 struct cx25821_dev *dev = fh->dev;
1858 struct downstream_user_struct *data_from_user;
1859 int command;
1860 int width = 720;
1861 int selected_channel = 0, pix_format = 0, i = 0;
1862 int cif_enable = 0, cif_width = 0;
1863 u32 value = 0;
1864
1865 data_from_user = (struct downstream_user_struct *)arg;
1866
1867 if (!data_from_user) {
1868 printk(
1869 "cx25821 in %s(): User data is INVALID. Returning.\n",
1870 __func__);
1871 return 0;
1872 }
1873
1874 command = data_from_user->command;
1875
1876 if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT
1877 && command != ENABLE_CIF_RESOLUTION && command != REG_READ
1878 && command != REG_WRITE && command != MEDUSA_READ
1879 && command != MEDUSA_WRITE) {
1880 return 0;
1881 }
1882
1883 switch (command) {
1884 case SET_VIDEO_STD:
1885 dev->tvnorm =
1886 !strcmp(data_from_user->vid_stdname,
1887 "PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
1888 medusa_set_videostandard(dev);
1889 break;
1890
1891 case SET_PIXEL_FORMAT:
1892 selected_channel = data_from_user->decoder_select;
1893 pix_format = data_from_user->pixel_format;
1894
1895 if (!(selected_channel <= 7 && selected_channel >= 0)) {
1896 selected_channel -= 4;
1897 selected_channel = selected_channel % 8;
1898 }
1899
1900 if (selected_channel >= 0)
1901 cx25821_set_pixel_format(dev, selected_channel,
1902 pix_format);
1903
1904 break;
1905
1906 case ENABLE_CIF_RESOLUTION:
1907 selected_channel = data_from_user->decoder_select;
1908 cif_enable = data_from_user->cif_resolution_enable;
1909 cif_width = data_from_user->cif_width;
1910
1911 if (cif_enable) {
1912 if (dev->tvnorm & V4L2_STD_PAL_BG
1913 || dev->tvnorm & V4L2_STD_PAL_DK)
1914 width = 352;
1915 else
1916 width = (cif_width == 320
1917 || cif_width == 352) ? cif_width : 320;
1918 }
1919
1920 if (!(selected_channel <= 7 && selected_channel >= 0)) {
1921 selected_channel -= 4;
1922 selected_channel = selected_channel % 8;
1923 }
1924
1925 if (selected_channel <= 7 && selected_channel >= 0) {
1926 dev->channels[selected_channel].
1927 use_cif_resolution = cif_enable;
1928 dev->channels[selected_channel].cif_width = width;
1929 } else {
1930 for (i = 0; i < VID_CHANNEL_NUM; i++) {
1931 dev->channels[i].use_cif_resolution =
1932 cif_enable;
1933 dev->channels[i].cif_width = width;
1934 }
1935 }
1936
1937 medusa_set_resolution(dev, width, selected_channel);
1938 break;
1939 case REG_READ:
1940 data_from_user->reg_data = cx_read(data_from_user->reg_address);
1941 break;
1942 case REG_WRITE:
1943 cx_write(data_from_user->reg_address, data_from_user->reg_data);
1944 break;
1945 case MEDUSA_READ:
1946 value =
1947 cx25821_i2c_read(&dev->i2c_bus[0],
1948 (u16) data_from_user->reg_address,
1949 &data_from_user->reg_data);
1950 break;
1951 case MEDUSA_WRITE:
1952 cx25821_i2c_write(&dev->i2c_bus[0],
1953 (u16) data_from_user->reg_address,
1954 data_from_user->reg_data);
1955 break;
1956 }
1957
1958 return 0;
1959 }
1960
1961 static long cx25821_video_ioctl(struct file *file,
1962 unsigned int cmd, unsigned long arg)
1963 {
1964 int ret = 0;
1965
1966 struct cx25821_fh *fh = file->private_data;
1967
1968 /* check to see if it's the video upstream */
1969 if (fh->channel_id == SRAM_CH09) {
1970 ret = video_ioctl_upstream9(file, cmd, arg);
1971 return ret;
1972 } else if (fh->channel_id == SRAM_CH10) {
1973 ret = video_ioctl_upstream10(file, cmd, arg);
1974 return ret;
1975 } else if (fh->channel_id == SRAM_CH11) {
1976 ret = video_ioctl_upstream11(file, cmd, arg);
1977 ret = video_ioctl_set(file, cmd, arg);
1978 return ret;
1979 }
1980
1981 return video_ioctl2(file, cmd, arg);
1982 }
1983
1984 /* exported stuff */
1985 static const struct v4l2_file_operations video_fops = {
1986 .owner = THIS_MODULE,
1987 .open = video_open,
1988 .release = video_release,
1989 .read = video_read,
1990 .poll = video_poll,
1991 .mmap = cx25821_video_mmap,
1992 .ioctl = cx25821_video_ioctl,
1993 };
1994
1995 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1996 .vidioc_querycap = cx25821_vidioc_querycap,
1997 .vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
1998 .vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
1999 .vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
2000 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
2001 .vidioc_reqbufs = cx25821_vidioc_reqbufs,
2002 .vidioc_querybuf = cx25821_vidioc_querybuf,
2003 .vidioc_qbuf = cx25821_vidioc_qbuf,
2004 .vidioc_dqbuf = vidioc_dqbuf,
2005 #ifdef TUNER_FLAG
2006 .vidioc_s_std = cx25821_vidioc_s_std,
2007 .vidioc_querystd = cx25821_vidioc_querystd,
2008 #endif
2009 .vidioc_cropcap = cx25821_vidioc_cropcap,
2010 .vidioc_s_crop = cx25821_vidioc_s_crop,
2011 .vidioc_g_crop = cx25821_vidioc_g_crop,
2012 .vidioc_enum_input = cx25821_vidioc_enum_input,
2013 .vidioc_g_input = cx25821_vidioc_g_input,
2014 .vidioc_s_input = cx25821_vidioc_s_input,
2015 .vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
2016 .vidioc_s_ctrl = vidioc_s_ctrl,
2017 .vidioc_queryctrl = cx25821_vidioc_queryctrl,
2018 .vidioc_streamon = vidioc_streamon,
2019 .vidioc_streamoff = vidioc_streamoff,
2020 .vidioc_log_status = vidioc_log_status,
2021 .vidioc_g_priority = cx25821_vidioc_g_priority,
2022 .vidioc_s_priority = cx25821_vidioc_s_priority,
2023 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2024 .vidiocgmbuf = cx25821_vidiocgmbuf,
2025 #endif
2026 #ifdef TUNER_FLAG
2027 .vidioc_g_tuner = cx25821_vidioc_g_tuner,
2028 .vidioc_s_tuner = cx25821_vidioc_s_tuner,
2029 .vidioc_g_frequency = cx25821_vidioc_g_frequency,
2030 .vidioc_s_frequency = cx25821_vidioc_s_frequency,
2031 #endif
2032 #ifdef CONFIG_VIDEO_ADV_DEBUG
2033 .vidioc_g_register = cx25821_vidioc_g_register,
2034 .vidioc_s_register = cx25821_vidioc_s_register,
2035 #endif
2036 };
2037
2038 struct video_device cx25821_videoioctl_template = {
2039 .name = "cx25821-videoioctl",
2040 .fops = &video_fops,
2041 .ioctl_ops = &video_ioctl_ops,
2042 .tvnorms = CX25821_NORMS,
2043 .current_norm = V4L2_STD_NTSC_M,
2044 };
Tomato firmware and modifications.