/drivers/media/video/cx23885/cx23885-video.c
C | 1550 lines | 1260 code | 212 blank | 78 comment | 164 complexity | bc841fb814c904c080df17bc72a3df25 MD5 | raw file
Possible License(s): CC-BY-SA-3.0, GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 * Driver for the Conexant CX23885 PCIe bridge
3 *
4 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 *
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22#include <linux/init.h>
23#include <linux/list.h>
24#include <linux/module.h>
25#include <linux/moduleparam.h>
26#include <linux/kmod.h>
27#include <linux/kernel.h>
28#include <linux/slab.h>
29#include <linux/smp_lock.h>
30#include <linux/interrupt.h>
31#include <linux/delay.h>
32#include <linux/kthread.h>
33#include <asm/div64.h>
34
35#include "cx23885.h"
36#include <media/v4l2-common.h>
37#include <media/v4l2-ioctl.h>
38#include "cx23885-ioctl.h"
39#include "tuner-xc2028.h"
40
41MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
42MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
43MODULE_LICENSE("GPL");
44
45/* ------------------------------------------------------------------ */
46
47static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
48static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
49static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
50
51module_param_array(video_nr, int, NULL, 0444);
52module_param_array(vbi_nr, int, NULL, 0444);
53module_param_array(radio_nr, int, NULL, 0444);
54
55MODULE_PARM_DESC(video_nr, "video device numbers");
56MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
57MODULE_PARM_DESC(radio_nr, "radio device numbers");
58
59static unsigned int video_debug;
60module_param(video_debug, int, 0644);
61MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
62
63static unsigned int irq_debug;
64module_param(irq_debug, int, 0644);
65MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
66
67static unsigned int vid_limit = 16;
68module_param(vid_limit, int, 0644);
69MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
70
71#define dprintk(level, fmt, arg...)\
72 do { if (video_debug >= level)\
73 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
74 } while (0)
75
76/* ------------------------------------------------------------------- */
77/* static data */
78
79#define FORMAT_FLAGS_PACKED 0x01
80
81static struct cx23885_fmt formats[] = {
82 {
83 .name = "8 bpp, gray",
84 .fourcc = V4L2_PIX_FMT_GREY,
85 .depth = 8,
86 .flags = FORMAT_FLAGS_PACKED,
87 }, {
88 .name = "15 bpp RGB, le",
89 .fourcc = V4L2_PIX_FMT_RGB555,
90 .depth = 16,
91 .flags = FORMAT_FLAGS_PACKED,
92 }, {
93 .name = "15 bpp RGB, be",
94 .fourcc = V4L2_PIX_FMT_RGB555X,
95 .depth = 16,
96 .flags = FORMAT_FLAGS_PACKED,
97 }, {
98 .name = "16 bpp RGB, le",
99 .fourcc = V4L2_PIX_FMT_RGB565,
100 .depth = 16,
101 .flags = FORMAT_FLAGS_PACKED,
102 }, {
103 .name = "16 bpp RGB, be",
104 .fourcc = V4L2_PIX_FMT_RGB565X,
105 .depth = 16,
106 .flags = FORMAT_FLAGS_PACKED,
107 }, {
108 .name = "24 bpp RGB, le",
109 .fourcc = V4L2_PIX_FMT_BGR24,
110 .depth = 24,
111 .flags = FORMAT_FLAGS_PACKED,
112 }, {
113 .name = "32 bpp RGB, le",
114 .fourcc = V4L2_PIX_FMT_BGR32,
115 .depth = 32,
116 .flags = FORMAT_FLAGS_PACKED,
117 }, {
118 .name = "32 bpp RGB, be",
119 .fourcc = V4L2_PIX_FMT_RGB32,
120 .depth = 32,
121 .flags = FORMAT_FLAGS_PACKED,
122 }, {
123 .name = "4:2:2, packed, YUYV",
124 .fourcc = V4L2_PIX_FMT_YUYV,
125 .depth = 16,
126 .flags = FORMAT_FLAGS_PACKED,
127 }, {
128 .name = "4:2:2, packed, UYVY",
129 .fourcc = V4L2_PIX_FMT_UYVY,
130 .depth = 16,
131 .flags = FORMAT_FLAGS_PACKED,
132 },
133};
134
135static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
136{
137 unsigned int i;
138
139 for (i = 0; i < ARRAY_SIZE(formats); i++)
140 if (formats[i].fourcc == fourcc)
141 return formats+i;
142
143 printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc);
144 return NULL;
145}
146
147/* ------------------------------------------------------------------- */
148
149static const struct v4l2_queryctrl no_ctl = {
150 .name = "42",
151 .flags = V4L2_CTRL_FLAG_DISABLED,
152};
153
154static struct cx23885_ctrl cx23885_ctls[] = {
155 /* --- video --- */
156 {
157 .v = {
158 .id = V4L2_CID_BRIGHTNESS,
159 .name = "Brightness",
160 .minimum = 0x00,
161 .maximum = 0xff,
162 .step = 1,
163 .default_value = 0x7f,
164 .type = V4L2_CTRL_TYPE_INTEGER,
165 },
166 .off = 128,
167 .reg = LUMA_CTRL,
168 .mask = 0x00ff,
169 .shift = 0,
170 }, {
171 .v = {
172 .id = V4L2_CID_CONTRAST,
173 .name = "Contrast",
174 .minimum = 0,
175 .maximum = 0xff,
176 .step = 1,
177 .default_value = 0x3f,
178 .type = V4L2_CTRL_TYPE_INTEGER,
179 },
180 .off = 0,
181 .reg = LUMA_CTRL,
182 .mask = 0xff00,
183 .shift = 8,
184 }, {
185 .v = {
186 .id = V4L2_CID_HUE,
187 .name = "Hue",
188 .minimum = 0,
189 .maximum = 0xff,
190 .step = 1,
191 .default_value = 0x7f,
192 .type = V4L2_CTRL_TYPE_INTEGER,
193 },
194 .off = 128,
195 .reg = CHROMA_CTRL,
196 .mask = 0xff0000,
197 .shift = 16,
198 }, {
199 /* strictly, this only describes only U saturation.
200 * V saturation is handled specially through code.
201 */
202 .v = {
203 .id = V4L2_CID_SATURATION,
204 .name = "Saturation",
205 .minimum = 0,
206 .maximum = 0xff,
207 .step = 1,
208 .default_value = 0x7f,
209 .type = V4L2_CTRL_TYPE_INTEGER,
210 },
211 .off = 0,
212 .reg = CHROMA_CTRL,
213 .mask = 0x00ff,
214 .shift = 0,
215 }, {
216 /* --- audio --- */
217 .v = {
218 .id = V4L2_CID_AUDIO_MUTE,
219 .name = "Mute",
220 .minimum = 0,
221 .maximum = 1,
222 .default_value = 1,
223 .type = V4L2_CTRL_TYPE_BOOLEAN,
224 },
225 .reg = PATH1_CTL1,
226 .mask = (0x1f << 24),
227 .shift = 24,
228 }, {
229 .v = {
230 .id = V4L2_CID_AUDIO_VOLUME,
231 .name = "Volume",
232 .minimum = 0,
233 .maximum = 0x3f,
234 .step = 1,
235 .default_value = 0x3f,
236 .type = V4L2_CTRL_TYPE_INTEGER,
237 },
238 .reg = PATH1_VOL_CTL,
239 .mask = 0xff,
240 .shift = 0,
241 }
242};
243static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);
244
245/* Must be sorted from low to high control ID! */
246static const u32 cx23885_user_ctrls[] = {
247 V4L2_CID_USER_CLASS,
248 V4L2_CID_BRIGHTNESS,
249 V4L2_CID_CONTRAST,
250 V4L2_CID_SATURATION,
251 V4L2_CID_HUE,
252 V4L2_CID_AUDIO_VOLUME,
253 V4L2_CID_AUDIO_MUTE,
254 0
255};
256
257static const u32 *ctrl_classes[] = {
258 cx23885_user_ctrls,
259 NULL
260};
261
262static void cx23885_video_wakeup(struct cx23885_dev *dev,
263 struct cx23885_dmaqueue *q, u32 count)
264{
265 struct cx23885_buffer *buf;
266 int bc;
267
268 for (bc = 0;; bc++) {
269 if (list_empty(&q->active))
270 break;
271 buf = list_entry(q->active.next,
272 struct cx23885_buffer, vb.queue);
273
274 /* count comes from the hw and is is 16bit wide --
275 * this trick handles wrap-arounds correctly for
276 * up to 32767 buffers in flight... */
277 if ((s16) (count - buf->count) < 0)
278 break;
279
280 do_gettimeofday(&buf->vb.ts);
281 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i,
282 count, buf->count);
283 buf->vb.state = VIDEOBUF_DONE;
284 list_del(&buf->vb.queue);
285 wake_up(&buf->vb.done);
286 }
287 if (list_empty(&q->active))
288 del_timer(&q->timeout);
289 else
290 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
291 if (bc != 1)
292 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n",
293 __func__, bc);
294}
295
296static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
297{
298 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
299 __func__,
300 (unsigned int)norm,
301 v4l2_norm_to_name(norm));
302
303 dev->tvnorm = norm;
304
305 call_all(dev, core, s_std, norm);
306
307 return 0;
308}
309
310static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
311 struct pci_dev *pci,
312 struct video_device *template,
313 char *type)
314{
315 struct video_device *vfd;
316 dprintk(1, "%s()\n", __func__);
317
318 vfd = video_device_alloc();
319 if (NULL == vfd)
320 return NULL;
321 *vfd = *template;
322 vfd->v4l2_dev = &dev->v4l2_dev;
323 vfd->release = video_device_release;
324 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
325 dev->name, type, cx23885_boards[dev->board].name);
326 video_set_drvdata(vfd, dev);
327 return vfd;
328}
329
330static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
331{
332 int i;
333
334 if (qctrl->id < V4L2_CID_BASE ||
335 qctrl->id >= V4L2_CID_LASTP1)
336 return -EINVAL;
337 for (i = 0; i < CX23885_CTLS; i++)
338 if (cx23885_ctls[i].v.id == qctrl->id)
339 break;
340 if (i == CX23885_CTLS) {
341 *qctrl = no_ctl;
342 return 0;
343 }
344 *qctrl = cx23885_ctls[i].v;
345 return 0;
346}
347
348/* ------------------------------------------------------------------- */
349/* resource management */
350
351static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh,
352 unsigned int bit)
353{
354 dprintk(1, "%s()\n", __func__);
355 if (fh->resources & bit)
356 /* have it already allocated */
357 return 1;
358
359 /* is it free? */
360 mutex_lock(&dev->lock);
361 if (dev->resources & bit) {
362 /* no, someone else uses it */
363 mutex_unlock(&dev->lock);
364 return 0;
365 }
366 /* it's free, grab it */
367 fh->resources |= bit;
368 dev->resources |= bit;
369 dprintk(1, "res: get %d\n", bit);
370 mutex_unlock(&dev->lock);
371 return 1;
372}
373
374static int res_check(struct cx23885_fh *fh, unsigned int bit)
375{
376 return fh->resources & bit;
377}
378
379static int res_locked(struct cx23885_dev *dev, unsigned int bit)
380{
381 return dev->resources & bit;
382}
383
384static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
385 unsigned int bits)
386{
387 BUG_ON((fh->resources & bits) != bits);
388 dprintk(1, "%s()\n", __func__);
389
390 mutex_lock(&dev->lock);
391 fh->resources &= ~bits;
392 dev->resources &= ~bits;
393 dprintk(1, "res: put %d\n", bits);
394 mutex_unlock(&dev->lock);
395}
396
397static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
398{
399 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
400 __func__,
401 input, INPUT(input)->vmux,
402 INPUT(input)->gpio0, INPUT(input)->gpio1,
403 INPUT(input)->gpio2, INPUT(input)->gpio3);
404 dev->input = input;
405
406 if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
407 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2) {
408 /* Select Analog TV */
409 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
410 cx23885_gpio_clear(dev, GPIO_0);
411 }
412
413 /* Tell the internal A/V decoder */
414 v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
415 INPUT(input)->vmux, 0, 0);
416
417 return 0;
418}
419
420/* ------------------------------------------------------------------ */
421static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width,
422 unsigned int height, enum v4l2_field field)
423{
424 dprintk(1, "%s()\n", __func__);
425 return 0;
426}
427
428static int cx23885_start_video_dma(struct cx23885_dev *dev,
429 struct cx23885_dmaqueue *q,
430 struct cx23885_buffer *buf)
431{
432 dprintk(1, "%s()\n", __func__);
433
434 /* setup fifo + format */
435 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
436 buf->bpl, buf->risc.dma);
437 cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field);
438
439 /* reset counter */
440 cx_write(VID_A_GPCNT_CTL, 3);
441 q->count = 1;
442
443 /* enable irq */
444 cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01);
445 cx_set(VID_A_INT_MSK, 0x000011);
446
447 /* start dma */
448 cx_set(DEV_CNTRL2, (1<<5));
449 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
450
451 return 0;
452}
453
454
455static int cx23885_restart_video_queue(struct cx23885_dev *dev,
456 struct cx23885_dmaqueue *q)
457{
458 struct cx23885_buffer *buf, *prev;
459 struct list_head *item;
460 dprintk(1, "%s()\n", __func__);
461
462 if (!list_empty(&q->active)) {
463 buf = list_entry(q->active.next, struct cx23885_buffer,
464 vb.queue);
465 dprintk(2, "restart_queue [%p/%d]: restart dma\n",
466 buf, buf->vb.i);
467 cx23885_start_video_dma(dev, q, buf);
468 list_for_each(item, &q->active) {
469 buf = list_entry(item, struct cx23885_buffer,
470 vb.queue);
471 buf->count = q->count++;
472 }
473 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
474 return 0;
475 }
476
477 prev = NULL;
478 for (;;) {
479 if (list_empty(&q->queued))
480 return 0;
481 buf = list_entry(q->queued.next, struct cx23885_buffer,
482 vb.queue);
483 if (NULL == prev) {
484 list_move_tail(&buf->vb.queue, &q->active);
485 cx23885_start_video_dma(dev, q, buf);
486 buf->vb.state = VIDEOBUF_ACTIVE;
487 buf->count = q->count++;
488 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
489 dprintk(2, "[%p/%d] restart_queue - first active\n",
490 buf, buf->vb.i);
491
492 } else if (prev->vb.width == buf->vb.width &&
493 prev->vb.height == buf->vb.height &&
494 prev->fmt == buf->fmt) {
495 list_move_tail(&buf->vb.queue, &q->active);
496 buf->vb.state = VIDEOBUF_ACTIVE;
497 buf->count = q->count++;
498 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
499 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
500 dprintk(2, "[%p/%d] restart_queue - move to active\n",
501 buf, buf->vb.i);
502 } else {
503 return 0;
504 }
505 prev = buf;
506 }
507}
508
509static int buffer_setup(struct videobuf_queue *q, unsigned int *count,
510 unsigned int *size)
511{
512 struct cx23885_fh *fh = q->priv_data;
513
514 *size = fh->fmt->depth*fh->width*fh->height >> 3;
515 if (0 == *count)
516 *count = 32;
517 while (*size * *count > vid_limit * 1024 * 1024)
518 (*count)--;
519 return 0;
520}
521
522static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
523 enum v4l2_field field)
524{
525 struct cx23885_fh *fh = q->priv_data;
526 struct cx23885_dev *dev = fh->dev;
527 struct cx23885_buffer *buf =
528 container_of(vb, struct cx23885_buffer, vb);
529 int rc, init_buffer = 0;
530 u32 line0_offset, line1_offset;
531 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
532
533 BUG_ON(NULL == fh->fmt);
534 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) ||
535 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm))
536 return -EINVAL;
537 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
538 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
539 return -EINVAL;
540
541 if (buf->fmt != fh->fmt ||
542 buf->vb.width != fh->width ||
543 buf->vb.height != fh->height ||
544 buf->vb.field != field) {
545 buf->fmt = fh->fmt;
546 buf->vb.width = fh->width;
547 buf->vb.height = fh->height;
548 buf->vb.field = field;
549 init_buffer = 1;
550 }
551
552 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
553 init_buffer = 1;
554 rc = videobuf_iolock(q, &buf->vb, NULL);
555 if (0 != rc)
556 goto fail;
557 }
558
559 if (init_buffer) {
560 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
561 switch (buf->vb.field) {
562 case V4L2_FIELD_TOP:
563 cx23885_risc_buffer(dev->pci, &buf->risc,
564 dma->sglist, 0, UNSET,
565 buf->bpl, 0, buf->vb.height);
566 break;
567 case V4L2_FIELD_BOTTOM:
568 cx23885_risc_buffer(dev->pci, &buf->risc,
569 dma->sglist, UNSET, 0,
570 buf->bpl, 0, buf->vb.height);
571 break;
572 case V4L2_FIELD_INTERLACED:
573 if (dev->tvnorm & V4L2_STD_NTSC) {
574 /* cx25840 transmits NTSC bottom field first */
575 dprintk(1, "%s() Creating NTSC risc\n",
576 __func__);
577 line0_offset = buf->bpl;
578 line1_offset = 0;
579 } else {
580 /* All other formats are top field first */
581 dprintk(1, "%s() Creating PAL/SECAM risc\n",
582 __func__);
583 line0_offset = 0;
584 line1_offset = buf->bpl;
585 }
586 cx23885_risc_buffer(dev->pci, &buf->risc,
587 dma->sglist, line0_offset,
588 line1_offset,
589 buf->bpl, buf->bpl,
590 buf->vb.height >> 1);
591 break;
592 case V4L2_FIELD_SEQ_TB:
593 cx23885_risc_buffer(dev->pci, &buf->risc,
594 dma->sglist,
595 0, buf->bpl * (buf->vb.height >> 1),
596 buf->bpl, 0,
597 buf->vb.height >> 1);
598 break;
599 case V4L2_FIELD_SEQ_BT:
600 cx23885_risc_buffer(dev->pci, &buf->risc,
601 dma->sglist,
602 buf->bpl * (buf->vb.height >> 1), 0,
603 buf->bpl, 0,
604 buf->vb.height >> 1);
605 break;
606 default:
607 BUG();
608 }
609 }
610 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
611 buf, buf->vb.i,
612 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
613 (unsigned long)buf->risc.dma);
614
615 buf->vb.state = VIDEOBUF_PREPARED;
616 return 0;
617
618 fail:
619 cx23885_free_buffer(q, buf);
620 return rc;
621}
622
623static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
624{
625 struct cx23885_buffer *buf = container_of(vb,
626 struct cx23885_buffer, vb);
627 struct cx23885_buffer *prev;
628 struct cx23885_fh *fh = vq->priv_data;
629 struct cx23885_dev *dev = fh->dev;
630 struct cx23885_dmaqueue *q = &dev->vidq;
631
632 /* add jump to stopper */
633 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
634 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
635 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
636
637 if (!list_empty(&q->queued)) {
638 list_add_tail(&buf->vb.queue, &q->queued);
639 buf->vb.state = VIDEOBUF_QUEUED;
640 dprintk(2, "[%p/%d] buffer_queue - append to queued\n",
641 buf, buf->vb.i);
642
643 } else if (list_empty(&q->active)) {
644 list_add_tail(&buf->vb.queue, &q->active);
645 cx23885_start_video_dma(dev, q, buf);
646 buf->vb.state = VIDEOBUF_ACTIVE;
647 buf->count = q->count++;
648 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
649 dprintk(2, "[%p/%d] buffer_queue - first active\n",
650 buf, buf->vb.i);
651
652 } else {
653 prev = list_entry(q->active.prev, struct cx23885_buffer,
654 vb.queue);
655 if (prev->vb.width == buf->vb.width &&
656 prev->vb.height == buf->vb.height &&
657 prev->fmt == buf->fmt) {
658 list_add_tail(&buf->vb.queue, &q->active);
659 buf->vb.state = VIDEOBUF_ACTIVE;
660 buf->count = q->count++;
661 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
662 /* 64 bit bits 63-32 */
663 prev->risc.jmp[2] = cpu_to_le32(0);
664 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
665 buf, buf->vb.i);
666
667 } else {
668 list_add_tail(&buf->vb.queue, &q->queued);
669 buf->vb.state = VIDEOBUF_QUEUED;
670 dprintk(2, "[%p/%d] buffer_queue - first queued\n",
671 buf, buf->vb.i);
672 }
673 }
674}
675
676static void buffer_release(struct videobuf_queue *q,
677 struct videobuf_buffer *vb)
678{
679 struct cx23885_buffer *buf = container_of(vb,
680 struct cx23885_buffer, vb);
681
682 cx23885_free_buffer(q, buf);
683}
684
685static struct videobuf_queue_ops cx23885_video_qops = {
686 .buf_setup = buffer_setup,
687 .buf_prepare = buffer_prepare,
688 .buf_queue = buffer_queue,
689 .buf_release = buffer_release,
690};
691
692static struct videobuf_queue *get_queue(struct cx23885_fh *fh)
693{
694 switch (fh->type) {
695 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
696 return &fh->vidq;
697 case V4L2_BUF_TYPE_VBI_CAPTURE:
698 return &fh->vbiq;
699 default:
700 BUG();
701 return NULL;
702 }
703}
704
705static int get_resource(struct cx23885_fh *fh)
706{
707 switch (fh->type) {
708 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
709 return RESOURCE_VIDEO;
710 case V4L2_BUF_TYPE_VBI_CAPTURE:
711 return RESOURCE_VBI;
712 default:
713 BUG();
714 return 0;
715 }
716}
717
718static int video_open(struct file *file)
719{
720 struct video_device *vdev = video_devdata(file);
721 struct cx23885_dev *dev = video_drvdata(file);
722 struct cx23885_fh *fh;
723 enum v4l2_buf_type type = 0;
724 int radio = 0;
725
726 switch (vdev->vfl_type) {
727 case VFL_TYPE_GRABBER:
728 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
729 break;
730 case VFL_TYPE_VBI:
731 type = V4L2_BUF_TYPE_VBI_CAPTURE;
732 break;
733 case VFL_TYPE_RADIO:
734 radio = 1;
735 break;
736 }
737
738 dprintk(1, "open dev=%s radio=%d type=%s\n",
739 video_device_node_name(vdev), radio, v4l2_type_names[type]);
740
741 /* allocate + initialize per filehandle data */
742 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
743 if (NULL == fh)
744 return -ENOMEM;
745
746 lock_kernel();
747
748 file->private_data = fh;
749 fh->dev = dev;
750 fh->radio = radio;
751 fh->type = type;
752 fh->width = 320;
753 fh->height = 240;
754 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
755
756 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
757 &dev->pci->dev, &dev->slock,
758 V4L2_BUF_TYPE_VIDEO_CAPTURE,
759 V4L2_FIELD_INTERLACED,
760 sizeof(struct cx23885_buffer),
761 fh);
762
763 dprintk(1, "post videobuf_queue_init()\n");
764
765 unlock_kernel();
766
767 return 0;
768}
769
770static ssize_t video_read(struct file *file, char __user *data,
771 size_t count, loff_t *ppos)
772{
773 struct cx23885_fh *fh = file->private_data;
774
775 switch (fh->type) {
776 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
777 if (res_locked(fh->dev, RESOURCE_VIDEO))
778 return -EBUSY;
779 return videobuf_read_one(&fh->vidq, data, count, ppos,
780 file->f_flags & O_NONBLOCK);
781 case V4L2_BUF_TYPE_VBI_CAPTURE:
782 if (!res_get(fh->dev, fh, RESOURCE_VBI))
783 return -EBUSY;
784 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
785 file->f_flags & O_NONBLOCK);
786 default:
787 BUG();
788 return 0;
789 }
790}
791
792static unsigned int video_poll(struct file *file,
793 struct poll_table_struct *wait)
794{
795 struct cx23885_fh *fh = file->private_data;
796 struct cx23885_buffer *buf;
797 unsigned int rc = POLLERR;
798
799 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
800 if (!res_get(fh->dev, fh, RESOURCE_VBI))
801 return POLLERR;
802 return videobuf_poll_stream(file, &fh->vbiq, wait);
803 }
804
805 mutex_lock(&fh->vidq.vb_lock);
806 if (res_check(fh, RESOURCE_VIDEO)) {
807 /* streaming capture */
808 if (list_empty(&fh->vidq.stream))
809 goto done;
810 buf = list_entry(fh->vidq.stream.next,
811 struct cx23885_buffer, vb.stream);
812 } else {
813 /* read() capture */
814 buf = (struct cx23885_buffer *)fh->vidq.read_buf;
815 if (NULL == buf)
816 goto done;
817 }
818 poll_wait(file, &buf->vb.done, wait);
819 if (buf->vb.state == VIDEOBUF_DONE ||
820 buf->vb.state == VIDEOBUF_ERROR)
821 rc = POLLIN|POLLRDNORM;
822 else
823 rc = 0;
824done:
825 mutex_unlock(&fh->vidq.vb_lock);
826 return rc;
827}
828
829static int video_release(struct file *file)
830{
831 struct cx23885_fh *fh = file->private_data;
832 struct cx23885_dev *dev = fh->dev;
833
834 /* turn off overlay */
835 if (res_check(fh, RESOURCE_OVERLAY)) {
836 /* FIXME */
837 res_free(dev, fh, RESOURCE_OVERLAY);
838 }
839
840 /* stop video capture */
841 if (res_check(fh, RESOURCE_VIDEO)) {
842 videobuf_queue_cancel(&fh->vidq);
843 res_free(dev, fh, RESOURCE_VIDEO);
844 }
845 if (fh->vidq.read_buf) {
846 buffer_release(&fh->vidq, fh->vidq.read_buf);
847 kfree(fh->vidq.read_buf);
848 }
849
850 /* stop vbi capture */
851 if (res_check(fh, RESOURCE_VBI)) {
852 if (fh->vbiq.streaming)
853 videobuf_streamoff(&fh->vbiq);
854 if (fh->vbiq.reading)
855 videobuf_read_stop(&fh->vbiq);
856 res_free(dev, fh, RESOURCE_VBI);
857 }
858
859 videobuf_mmap_free(&fh->vidq);
860 file->private_data = NULL;
861 kfree(fh);
862
863 /* We are not putting the tuner to sleep here on exit, because
864 * we want to use the mpeg encoder in another session to capture
865 * tuner video. Closing this will result in no video to the encoder.
866 */
867
868 return 0;
869}
870
871static int video_mmap(struct file *file, struct vm_area_struct *vma)
872{
873 struct cx23885_fh *fh = file->private_data;
874
875 return videobuf_mmap_mapper(get_queue(fh), vma);
876}
877
878/* ------------------------------------------------------------------ */
879/* VIDEO CTRL IOCTLS */
880
881static int cx23885_get_control(struct cx23885_dev *dev,
882 struct v4l2_control *ctl)
883{
884 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
885 call_all(dev, core, g_ctrl, ctl);
886 return 0;
887}
888
889static int cx23885_set_control(struct cx23885_dev *dev,
890 struct v4l2_control *ctl)
891{
892 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)"
893 " (disabled - no action)\n", __func__);
894 return 0;
895}
896
897static void init_controls(struct cx23885_dev *dev)
898{
899 struct v4l2_control ctrl;
900 int i;
901
902 for (i = 0; i < CX23885_CTLS; i++) {
903 ctrl.id = cx23885_ctls[i].v.id;
904 ctrl.value = cx23885_ctls[i].v.default_value;
905
906 cx23885_set_control(dev, &ctrl);
907 }
908}
909
910/* ------------------------------------------------------------------ */
911/* VIDEO IOCTLS */
912
913static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
914 struct v4l2_format *f)
915{
916 struct cx23885_fh *fh = priv;
917
918 f->fmt.pix.width = fh->width;
919 f->fmt.pix.height = fh->height;
920 f->fmt.pix.field = fh->vidq.field;
921 f->fmt.pix.pixelformat = fh->fmt->fourcc;
922 f->fmt.pix.bytesperline =
923 (f->fmt.pix.width * fh->fmt->depth) >> 3;
924 f->fmt.pix.sizeimage =
925 f->fmt.pix.height * f->fmt.pix.bytesperline;
926
927 return 0;
928}
929
930static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
931 struct v4l2_format *f)
932{
933 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
934 struct cx23885_fmt *fmt;
935 enum v4l2_field field;
936 unsigned int maxw, maxh;
937
938 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
939 if (NULL == fmt)
940 return -EINVAL;
941
942 field = f->fmt.pix.field;
943 maxw = norm_maxw(dev->tvnorm);
944 maxh = norm_maxh(dev->tvnorm);
945
946 if (V4L2_FIELD_ANY == field) {
947 field = (f->fmt.pix.height > maxh/2)
948 ? V4L2_FIELD_INTERLACED
949 : V4L2_FIELD_BOTTOM;
950 }
951
952 switch (field) {
953 case V4L2_FIELD_TOP:
954 case V4L2_FIELD_BOTTOM:
955 maxh = maxh / 2;
956 break;
957 case V4L2_FIELD_INTERLACED:
958 break;
959 default:
960 return -EINVAL;
961 }
962
963 f->fmt.pix.field = field;
964 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
965 &f->fmt.pix.height, 32, maxh, 0, 0);
966 f->fmt.pix.bytesperline =
967 (f->fmt.pix.width * fmt->depth) >> 3;
968 f->fmt.pix.sizeimage =
969 f->fmt.pix.height * f->fmt.pix.bytesperline;
970
971 return 0;
972}
973
974static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
975 struct v4l2_format *f)
976{
977 struct cx23885_fh *fh = priv;
978 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
979 int err;
980
981 dprintk(2, "%s()\n", __func__);
982 err = vidioc_try_fmt_vid_cap(file, priv, f);
983
984 if (0 != err)
985 return err;
986 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
987 fh->width = f->fmt.pix.width;
988 fh->height = f->fmt.pix.height;
989 fh->vidq.field = f->fmt.pix.field;
990 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
991 fh->width, fh->height, fh->vidq.field);
992 call_all(dev, video, s_fmt, f);
993 return 0;
994}
995
996static int vidioc_querycap(struct file *file, void *priv,
997 struct v4l2_capability *cap)
998{
999 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1000
1001 strcpy(cap->driver, "cx23885");
1002 strlcpy(cap->card, cx23885_boards[dev->board].name,
1003 sizeof(cap->card));
1004 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1005 cap->version = CX23885_VERSION_CODE;
1006 cap->capabilities =
1007 V4L2_CAP_VIDEO_CAPTURE |
1008 V4L2_CAP_READWRITE |
1009 V4L2_CAP_STREAMING |
1010 V4L2_CAP_VBI_CAPTURE;
1011 if (UNSET != dev->tuner_type)
1012 cap->capabilities |= V4L2_CAP_TUNER;
1013 return 0;
1014}
1015
1016static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1017 struct v4l2_fmtdesc *f)
1018{
1019 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1020 return -EINVAL;
1021
1022 strlcpy(f->description, formats[f->index].name,
1023 sizeof(f->description));
1024 f->pixelformat = formats[f->index].fourcc;
1025
1026 return 0;
1027}
1028
1029#ifdef CONFIG_VIDEO_V4L1_COMPAT
1030static int vidiocgmbuf(struct file *file, void *priv,
1031 struct video_mbuf *mbuf)
1032{
1033 struct cx23885_fh *fh = priv;
1034 struct videobuf_queue *q;
1035 struct v4l2_requestbuffers req;
1036 unsigned int i;
1037 int err;
1038
1039 q = get_queue(fh);
1040 memset(&req, 0, sizeof(req));
1041 req.type = q->type;
1042 req.count = 8;
1043 req.memory = V4L2_MEMORY_MMAP;
1044 err = videobuf_reqbufs(q, &req);
1045 if (err < 0)
1046 return err;
1047
1048 mbuf->frames = req.count;
1049 mbuf->size = 0;
1050 for (i = 0; i < mbuf->frames; i++) {
1051 mbuf->offsets[i] = q->bufs[i]->boff;
1052 mbuf->size += q->bufs[i]->bsize;
1053 }
1054 return 0;
1055}
1056#endif
1057
1058static int vidioc_reqbufs(struct file *file, void *priv,
1059 struct v4l2_requestbuffers *p)
1060{
1061 struct cx23885_fh *fh = priv;
1062 return videobuf_reqbufs(get_queue(fh), p);
1063}
1064
1065static int vidioc_querybuf(struct file *file, void *priv,
1066 struct v4l2_buffer *p)
1067{
1068 struct cx23885_fh *fh = priv;
1069 return videobuf_querybuf(get_queue(fh), p);
1070}
1071
1072static int vidioc_qbuf(struct file *file, void *priv,
1073 struct v4l2_buffer *p)
1074{
1075 struct cx23885_fh *fh = priv;
1076 return videobuf_qbuf(get_queue(fh), p);
1077}
1078
1079static int vidioc_dqbuf(struct file *file, void *priv,
1080 struct v4l2_buffer *p)
1081{
1082 struct cx23885_fh *fh = priv;
1083 return videobuf_dqbuf(get_queue(fh), p,
1084 file->f_flags & O_NONBLOCK);
1085}
1086
1087static int vidioc_streamon(struct file *file, void *priv,
1088 enum v4l2_buf_type i)
1089{
1090 struct cx23885_fh *fh = priv;
1091 struct cx23885_dev *dev = fh->dev;
1092 dprintk(1, "%s()\n", __func__);
1093
1094 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1095 return -EINVAL;
1096 if (unlikely(i != fh->type))
1097 return -EINVAL;
1098
1099 if (unlikely(!res_get(dev, fh, get_resource(fh))))
1100 return -EBUSY;
1101 return videobuf_streamon(get_queue(fh));
1102}
1103
1104static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1105{
1106 struct cx23885_fh *fh = priv;
1107 struct cx23885_dev *dev = fh->dev;
1108 int err, res;
1109 dprintk(1, "%s()\n", __func__);
1110
1111 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1112 return -EINVAL;
1113 if (i != fh->type)
1114 return -EINVAL;
1115
1116 res = get_resource(fh);
1117 err = videobuf_streamoff(get_queue(fh));
1118 if (err < 0)
1119 return err;
1120 res_free(dev, fh, res);
1121 return 0;
1122}
1123
1124static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
1125{
1126 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1127 dprintk(1, "%s()\n", __func__);
1128
1129 mutex_lock(&dev->lock);
1130 cx23885_set_tvnorm(dev, *tvnorms);
1131 mutex_unlock(&dev->lock);
1132
1133 return 0;
1134}
1135
1136static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
1137{
1138 static const char *iname[] = {
1139 [CX23885_VMUX_COMPOSITE1] = "Composite1",
1140 [CX23885_VMUX_COMPOSITE2] = "Composite2",
1141 [CX23885_VMUX_COMPOSITE3] = "Composite3",
1142 [CX23885_VMUX_COMPOSITE4] = "Composite4",
1143 [CX23885_VMUX_SVIDEO] = "S-Video",
1144 [CX23885_VMUX_COMPONENT] = "Component",
1145 [CX23885_VMUX_TELEVISION] = "Television",
1146 [CX23885_VMUX_CABLE] = "Cable TV",
1147 [CX23885_VMUX_DVB] = "DVB",
1148 [CX23885_VMUX_DEBUG] = "for debug only",
1149 };
1150 unsigned int n;
1151 dprintk(1, "%s()\n", __func__);
1152
1153 n = i->index;
1154 if (n >= 4)
1155 return -EINVAL;
1156
1157 if (0 == INPUT(n)->type)
1158 return -EINVAL;
1159
1160 memset(i, 0, sizeof(*i));
1161 i->index = n;
1162 i->type = V4L2_INPUT_TYPE_CAMERA;
1163 strcpy(i->name, iname[INPUT(n)->type]);
1164 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
1165 (CX23885_VMUX_CABLE == INPUT(n)->type))
1166 i->type = V4L2_INPUT_TYPE_TUNER;
1167 i->std = CX23885_NORMS;
1168 return 0;
1169}
1170
1171static int vidioc_enum_input(struct file *file, void *priv,
1172 struct v4l2_input *i)
1173{
1174 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1175 dprintk(1, "%s()\n", __func__);
1176 return cx23885_enum_input(dev, i);
1177}
1178
1179static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1180{
1181 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1182
1183 *i = dev->input;
1184 dprintk(1, "%s() returns %d\n", __func__, *i);
1185 return 0;
1186}
1187
1188static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1189{
1190 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1191
1192 dprintk(1, "%s(%d)\n", __func__, i);
1193
1194 if (i >= 4) {
1195 dprintk(1, "%s() -EINVAL\n", __func__);
1196 return -EINVAL;
1197 }
1198
1199 mutex_lock(&dev->lock);
1200 cx23885_video_mux(dev, i);
1201 mutex_unlock(&dev->lock);
1202 return 0;
1203}
1204
1205static int vidioc_queryctrl(struct file *file, void *priv,
1206 struct v4l2_queryctrl *qctrl)
1207{
1208 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1209 if (unlikely(qctrl->id == 0))
1210 return -EINVAL;
1211 return cx23885_ctrl_query(qctrl);
1212}
1213
1214static int vidioc_g_ctrl(struct file *file, void *priv,
1215 struct v4l2_control *ctl)
1216{
1217 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1218
1219 return cx23885_get_control(dev, ctl);
1220}
1221
1222static int vidioc_s_ctrl(struct file *file, void *priv,
1223 struct v4l2_control *ctl)
1224{
1225 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1226
1227 return cx23885_set_control(dev, ctl);
1228}
1229
1230static int vidioc_g_tuner(struct file *file, void *priv,
1231 struct v4l2_tuner *t)
1232{
1233 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1234
1235 if (unlikely(UNSET == dev->tuner_type))
1236 return -EINVAL;
1237 if (0 != t->index)
1238 return -EINVAL;
1239
1240 strcpy(t->name, "Television");
1241 t->type = V4L2_TUNER_ANALOG_TV;
1242 t->capability = V4L2_TUNER_CAP_NORM;
1243 t->rangehigh = 0xffffffffUL;
1244 t->signal = 0xffff ; /* LOCKED */
1245 return 0;
1246}
1247
1248static int vidioc_s_tuner(struct file *file, void *priv,
1249 struct v4l2_tuner *t)
1250{
1251 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1252
1253 if (UNSET == dev->tuner_type)
1254 return -EINVAL;
1255 if (0 != t->index)
1256 return -EINVAL;
1257 return 0;
1258}
1259
1260static int vidioc_g_frequency(struct file *file, void *priv,
1261 struct v4l2_frequency *f)
1262{
1263 struct cx23885_fh *fh = priv;
1264 struct cx23885_dev *dev = fh->dev;
1265
1266 if (unlikely(UNSET == dev->tuner_type))
1267 return -EINVAL;
1268
1269 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1270 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1271 f->frequency = dev->freq;
1272
1273 call_all(dev, tuner, g_frequency, f);
1274
1275 return 0;
1276}
1277
1278static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
1279{
1280 if (unlikely(UNSET == dev->tuner_type))
1281 return -EINVAL;
1282 if (unlikely(f->tuner != 0))
1283 return -EINVAL;
1284
1285 mutex_lock(&dev->lock);
1286 dev->freq = f->frequency;
1287
1288 call_all(dev, tuner, s_frequency, f);
1289
1290 /* When changing channels it is required to reset TVAUDIO */
1291 msleep(10);
1292
1293 mutex_unlock(&dev->lock);
1294
1295 return 0;
1296}
1297
1298static int vidioc_s_frequency(struct file *file, void *priv,
1299 struct v4l2_frequency *f)
1300{
1301 struct cx23885_fh *fh = priv;
1302 struct cx23885_dev *dev = fh->dev;
1303
1304 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1305 return -EINVAL;
1306 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1307 return -EINVAL;
1308
1309 return
1310 cx23885_set_freq(dev, f);
1311}
1312
1313/* ----------------------------------------------------------- */
1314
1315static void cx23885_vid_timeout(unsigned long data)
1316{
1317 struct cx23885_dev *dev = (struct cx23885_dev *)data;
1318 struct cx23885_dmaqueue *q = &dev->vidq;
1319 struct cx23885_buffer *buf;
1320 unsigned long flags;
1321
1322 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
1323
1324 cx_clear(VID_A_DMA_CTL, 0x11);
1325
1326 spin_lock_irqsave(&dev->slock, flags);
1327 while (!list_empty(&q->active)) {
1328 buf = list_entry(q->active.next,
1329 struct cx23885_buffer, vb.queue);
1330 list_del(&buf->vb.queue);
1331 buf->vb.state = VIDEOBUF_ERROR;
1332 wake_up(&buf->vb.done);
1333 printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n",
1334 dev->name, buf, buf->vb.i,
1335 (unsigned long)buf->risc.dma);
1336 }
1337 cx23885_restart_video_queue(dev, q);
1338 spin_unlock_irqrestore(&dev->slock, flags);
1339}
1340
1341int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1342{
1343 u32 mask, count;
1344 int handled = 0;
1345
1346 mask = cx_read(VID_A_INT_MSK);
1347 if (0 == (status & mask))
1348 return handled;
1349 cx_write(VID_A_INT_STAT, status);
1350
1351 dprintk(2, "%s() status = 0x%08x\n", __func__, status);
1352 /* risc op code error */
1353 if (status & (1 << 16)) {
1354 printk(KERN_WARNING "%s/0: video risc op code error\n",
1355 dev->name);
1356 cx_clear(VID_A_DMA_CTL, 0x11);
1357 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
1358 }
1359
1360 /* risc1 y */
1361 if (status & 0x01) {
1362 spin_lock(&dev->slock);
1363 count = cx_read(VID_A_GPCNT);
1364 cx23885_video_wakeup(dev, &dev->vidq, count);
1365 spin_unlock(&dev->slock);
1366 handled++;
1367 }
1368 /* risc2 y */
1369 if (status & 0x10) {
1370 dprintk(2, "stopper video\n");
1371 spin_lock(&dev->slock);
1372 cx23885_restart_video_queue(dev, &dev->vidq);
1373 spin_unlock(&dev->slock);
1374 handled++;
1375 }
1376
1377 return handled;
1378}
1379
1380/* ----------------------------------------------------------- */
1381/* exported stuff */
1382
1383static const struct v4l2_file_operations video_fops = {
1384 .owner = THIS_MODULE,
1385 .open = video_open,
1386 .release = video_release,
1387 .read = video_read,
1388 .poll = video_poll,
1389 .mmap = video_mmap,
1390 .ioctl = video_ioctl2,
1391};
1392
1393static const struct v4l2_ioctl_ops video_ioctl_ops = {
1394 .vidioc_querycap = vidioc_querycap,
1395 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1396 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1397 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1398 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1399 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt,
1400 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
1401 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
1402 .vidioc_reqbufs = vidioc_reqbufs,
1403 .vidioc_querybuf = vidioc_querybuf,
1404 .vidioc_qbuf = vidioc_qbuf,
1405 .vidioc_dqbuf = vidioc_dqbuf,
1406 .vidioc_s_std = vidioc_s_std,
1407 .vidioc_enum_input = vidioc_enum_input,
1408 .vidioc_g_input = vidioc_g_input,
1409 .vidioc_s_input = vidioc_s_input,
1410 .vidioc_queryctrl = vidioc_queryctrl,
1411 .vidioc_g_ctrl = vidioc_g_ctrl,
1412 .vidioc_s_ctrl = vidioc_s_ctrl,
1413 .vidioc_streamon = vidioc_streamon,
1414 .vidioc_streamoff = vidioc_streamoff,
1415#ifdef CONFIG_VIDEO_V4L1_COMPAT
1416 .vidiocgmbuf = vidiocgmbuf,
1417#endif
1418 .vidioc_g_tuner = vidioc_g_tuner,
1419 .vidioc_s_tuner = vidioc_s_tuner,
1420 .vidioc_g_frequency = vidioc_g_frequency,
1421 .vidioc_s_frequency = vidioc_s_frequency,
1422 .vidioc_g_chip_ident = cx23885_g_chip_ident,
1423#ifdef CONFIG_VIDEO_ADV_DEBUG
1424 .vidioc_g_register = cx23885_g_register,
1425 .vidioc_s_register = cx23885_s_register,
1426#endif
1427};
1428
1429static struct video_device cx23885_vbi_template;
1430static struct video_device cx23885_video_template = {
1431 .name = "cx23885-video",
1432 .fops = &video_fops,
1433 .ioctl_ops = &video_ioctl_ops,
1434 .tvnorms = CX23885_NORMS,
1435 .current_norm = V4L2_STD_NTSC_M,
1436};
1437
1438static const struct v4l2_file_operations radio_fops = {
1439 .owner = THIS_MODULE,
1440 .open = video_open,
1441 .release = video_release,
1442 .ioctl = video_ioctl2,
1443};
1444
1445
1446void cx23885_video_unregister(struct cx23885_dev *dev)
1447{
1448 dprintk(1, "%s()\n", __func__);
1449 cx_clear(PCI_INT_MSK, 1);
1450
1451 if (dev->video_dev) {
1452 if (video_is_registered(dev->video_dev))
1453 video_unregister_device(dev->video_dev);
1454 else
1455 video_device_release(dev->video_dev);
1456 dev->video_dev = NULL;
1457
1458 btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
1459 }
1460}
1461
1462int cx23885_video_register(struct cx23885_dev *dev)
1463{
1464 int err;
1465
1466 dprintk(1, "%s()\n", __func__);
1467 spin_lock_init(&dev->slock);
1468
1469 /* Initialize VBI template */
1470 memcpy(&cx23885_vbi_template, &cx23885_video_template,
1471 sizeof(cx23885_vbi_template));
1472 strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1473
1474 dev->tvnorm = cx23885_video_template.current_norm;
1475
1476 /* init video dma queues */
1477 INIT_LIST_HEAD(&dev->vidq.active);
1478 INIT_LIST_HEAD(&dev->vidq.queued);
1479 dev->vidq.timeout.function = cx23885_vid_timeout;
1480 dev->vidq.timeout.data = (unsigned long)dev;
1481 init_timer(&dev->vidq.timeout);
1482 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
1483 VID_A_DMA_CTL, 0x11, 0x00);
1484
1485 /* Don't enable VBI yet */
1486 cx_set(PCI_INT_MSK, 1);
1487
1488 if (TUNER_ABSENT != dev->tuner_type) {
1489 struct v4l2_subdev *sd = NULL;
1490
1491 if (dev->tuner_addr)
1492 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1493 &dev->i2c_bus[1].i2c_adap,
1494 "tuner", "tuner", dev->tuner_addr, NULL);
1495 else
1496 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1497 &dev->i2c_bus[1].i2c_adap,
1498 "tuner", "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1499 if (sd) {
1500 struct tuner_setup tun_setup;
1501
1502 memset(&tun_setup, 0, sizeof(tun_setup));
1503 tun_setup.mode_mask = T_ANALOG_TV;
1504 tun_setup.type = dev->tuner_type;
1505 tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1506 tun_setup.tuner_callback = cx23885_tuner_callback;
1507
1508 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1509
1510 if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) {
1511 struct xc2028_ctrl ctrl = {
1512 .fname = XC2028_DEFAULT_FIRMWARE,
1513 .max_len = 64
1514 };
1515 struct v4l2_priv_tun_config cfg = {
1516 .tuner = dev->tuner_type,
1517 .priv = &ctrl
1518 };
1519 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1520 }
1521 }
1522 }
1523
1524
1525 /* register v4l devices */
1526 dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1527 &cx23885_video_template, "video");
1528 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1529 video_nr[dev->nr]);
1530 if (err < 0) {
1531 printk(KERN_INFO "%s: can't register video device\n",
1532 dev->name);
1533 goto fail_unreg;
1534 }
1535 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1536 dev->name, video_device_node_name(dev->video_dev));
1537 /* initial device configuration */
1538 mutex_lock(&dev->lock);
1539 cx23885_set_tvnorm(dev, dev->tvnorm);
1540 init_controls(dev);
1541 cx23885_video_mux(dev, 0);
1542 mutex_unlock(&dev->lock);
1543
1544 return 0;
1545
1546fail_unreg:
1547 cx23885_video_unregister(dev);
1548 return err;
1549}
1550