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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / media / pci / cx23885 / cx23885-video.c
blob7891f34157d18806ad400051b95cd2abcdd14023
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/interrupt.h>
30 #include <linux/delay.h>
31 #include <linux/kthread.h>
32 #include <asm/div64.h>
33
34 #include "cx23885.h"
35 #include "cx23885-video.h"
36 #include <media/v4l2-common.h>
37 #include <media/v4l2-ioctl.h>
38 #include "cx23885-ioctl.h"
39 #include "tuner-xc2028.h"
40
41 #include <media/cx25840.h>
42
43 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
44 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
45 MODULE_LICENSE("GPL");
46
47 /* ------------------------------------------------------------------ */
48
49 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
50 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
51 static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
52
53 module_param_array(video_nr, int, NULL, 0444);
54 module_param_array(vbi_nr, int, NULL, 0444);
55 module_param_array(radio_nr, int, NULL, 0444);
56
57 MODULE_PARM_DESC(video_nr, "video device numbers");
58 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
59 MODULE_PARM_DESC(radio_nr, "radio device numbers");
60
61 static unsigned int video_debug;
62 module_param(video_debug, int, 0644);
63 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
64
65 static unsigned int irq_debug;
66 module_param(irq_debug, int, 0644);
67 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
68
69 static unsigned int vid_limit = 16;
70 module_param(vid_limit, int, 0644);
71 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
72
73 #define dprintk(level, fmt, arg...)\
74 do { if (video_debug >= level)\
75 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
76 } while (0)
77
78 /* ------------------------------------------------------------------- */
79 /* static data */
80
81 #define FORMAT_FLAGS_PACKED 0x01
82 #if 0
83 static struct cx23885_fmt formats[] = {
84 {
85 .name = "8 bpp, gray",
86 .fourcc = V4L2_PIX_FMT_GREY,
87 .depth = 8,
88 .flags = FORMAT_FLAGS_PACKED,
89 }, {
90 .name = "15 bpp RGB, le",
91 .fourcc = V4L2_PIX_FMT_RGB555,
92 .depth = 16,
93 .flags = FORMAT_FLAGS_PACKED,
94 }, {
95 .name = "15 bpp RGB, be",
96 .fourcc = V4L2_PIX_FMT_RGB555X,
97 .depth = 16,
98 .flags = FORMAT_FLAGS_PACKED,
99 }, {
100 .name = "16 bpp RGB, le",
101 .fourcc = V4L2_PIX_FMT_RGB565,
102 .depth = 16,
103 .flags = FORMAT_FLAGS_PACKED,
104 }, {
105 .name = "16 bpp RGB, be",
106 .fourcc = V4L2_PIX_FMT_RGB565X,
107 .depth = 16,
108 .flags = FORMAT_FLAGS_PACKED,
109 }, {
110 .name = "24 bpp RGB, le",
111 .fourcc = V4L2_PIX_FMT_BGR24,
112 .depth = 24,
113 .flags = FORMAT_FLAGS_PACKED,
114 }, {
115 .name = "32 bpp RGB, le",
116 .fourcc = V4L2_PIX_FMT_BGR32,
117 .depth = 32,
118 .flags = FORMAT_FLAGS_PACKED,
119 }, {
120 .name = "32 bpp RGB, be",
121 .fourcc = V4L2_PIX_FMT_RGB32,
122 .depth = 32,
123 .flags = FORMAT_FLAGS_PACKED,
124 }, {
125 .name = "4:2:2, packed, YUYV",
126 .fourcc = V4L2_PIX_FMT_YUYV,
127 .depth = 16,
128 .flags = FORMAT_FLAGS_PACKED,
129 }, {
130 .name = "4:2:2, packed, UYVY",
131 .fourcc = V4L2_PIX_FMT_UYVY,
132 .depth = 16,
133 .flags = FORMAT_FLAGS_PACKED,
134 },
135 };
136 #else
137 static struct cx23885_fmt formats[] = {
138 {
139 #if 0
140 .name = "4:2:2, packed, UYVY",
141 .fourcc = V4L2_PIX_FMT_UYVY,
142 .depth = 16,
143 .flags = FORMAT_FLAGS_PACKED,
144 }, {
145 #endif
146 .name = "4:2:2, packed, YUYV",
147 .fourcc = V4L2_PIX_FMT_YUYV,
148 .depth = 16,
149 .flags = FORMAT_FLAGS_PACKED,
150 }
151 };
152 #endif
153
154 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
155 {
156 unsigned int i;
157
158 for (i = 0; i < ARRAY_SIZE(formats); i++)
159 if (formats[i].fourcc == fourcc)
160 return formats+i;
161
162 printk(KERN_ERR "%s(%c%c%c%c) NOT FOUND\n", __func__,
163 (fourcc & 0xff),
164 ((fourcc >> 8) & 0xff),
165 ((fourcc >> 16) & 0xff),
166 ((fourcc >> 24) & 0xff)
167 );
168 return NULL;
169 }
170
171 /* ------------------------------------------------------------------- */
172
173 static const struct v4l2_queryctrl no_ctl = {
174 .name = "42",
175 .flags = V4L2_CTRL_FLAG_DISABLED,
176 };
177
178 static struct cx23885_ctrl cx23885_ctls[] = {
179 /* --- video --- */
180 {
181 .v = {
182 .id = V4L2_CID_BRIGHTNESS,
183 .name = "Brightness",
184 .minimum = 0x00,
185 .maximum = 0xff,
186 .step = 1,
187 .default_value = 0x7f,
188 .type = V4L2_CTRL_TYPE_INTEGER,
189 },
190 .off = 128,
191 .reg = LUMA_CTRL,
192 .mask = 0x00ff,
193 .shift = 0,
194 }, {
195 .v = {
196 .id = V4L2_CID_CONTRAST,
197 .name = "Contrast",
198 .minimum = 0,
199 .maximum = 0x7f,
200 .step = 1,
201 .default_value = 0x3f,
202 .type = V4L2_CTRL_TYPE_INTEGER,
203 },
204 .off = 0,
205 .reg = LUMA_CTRL,
206 .mask = 0xff00,
207 .shift = 8,
208 }, {
209 .v = {
210 .id = V4L2_CID_HUE,
211 .name = "Hue",
212 .minimum = -127,
213 .maximum = 128,
214 .step = 1,
215 .default_value = 0x0,
216 .type = V4L2_CTRL_TYPE_INTEGER,
217 },
218 .off = 128,
219 .reg = CHROMA_CTRL,
220 .mask = 0xff0000,
221 .shift = 16,
222 }, {
223 /* strictly, this only describes only U saturation.
224 * V saturation is handled specially through code.
225 */
226 .v = {
227 .id = V4L2_CID_SATURATION,
228 .name = "Saturation",
229 .minimum = 0,
230 .maximum = 0x7f,
231 .step = 1,
232 .default_value = 0x3f,
233 .type = V4L2_CTRL_TYPE_INTEGER,
234 },
235 .off = 0,
236 .reg = CHROMA_CTRL,
237 .mask = 0x00ff,
238 .shift = 0,
239 }, {
240 /* --- audio --- */
241 .v = {
242 .id = V4L2_CID_AUDIO_MUTE,
243 .name = "Mute",
244 .minimum = 0,
245 .maximum = 1,
246 .default_value = 1,
247 .type = V4L2_CTRL_TYPE_BOOLEAN,
248 },
249 .reg = PATH1_CTL1,
250 .mask = (0x1f << 24),
251 .shift = 24,
252 }, {
253 .v = {
254 .id = V4L2_CID_AUDIO_VOLUME,
255 .name = "Volume",
256 .minimum = 0,
257 .maximum = 65535,
258 .step = 65535 / 100,
259 .default_value = 65535,
260 .type = V4L2_CTRL_TYPE_INTEGER,
261 },
262 .reg = PATH1_VOL_CTL,
263 .mask = 0xff,
264 .shift = 0,
265 }
266 };
267 static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);
268
269 /* Must be sorted from low to high control ID! */
270 static const u32 cx23885_user_ctrls[] = {
271 V4L2_CID_USER_CLASS,
272 V4L2_CID_BRIGHTNESS,
273 V4L2_CID_CONTRAST,
274 V4L2_CID_SATURATION,
275 V4L2_CID_HUE,
276 V4L2_CID_AUDIO_VOLUME,
277 V4L2_CID_AUDIO_MUTE,
278 0
279 };
280
281 static const u32 *ctrl_classes[] = {
282 cx23885_user_ctrls,
283 NULL
284 };
285
286 void cx23885_video_wakeup(struct cx23885_dev *dev,
287 struct cx23885_dmaqueue *q, u32 count)
288 {
289 struct cx23885_buffer *buf;
290 int bc;
291
292 for (bc = 0;; bc++) {
293 if (list_empty(&q->active))
294 break;
295 buf = list_entry(q->active.next,
296 struct cx23885_buffer, vb.queue);
297
298 /* count comes from the hw and is is 16bit wide --
299 * this trick handles wrap-arounds correctly for
300 * up to 32767 buffers in flight... */
301 if ((s16) (count - buf->count) < 0)
302 break;
303
304 v4l2_get_timestamp(&buf->vb.ts);
305 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i,
306 count, buf->count);
307 buf->vb.state = VIDEOBUF_DONE;
308 list_del(&buf->vb.queue);
309 wake_up(&buf->vb.done);
310 }
311 if (list_empty(&q->active))
312 del_timer(&q->timeout);
313 else
314 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
315 if (bc != 1)
316 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n",
317 __func__, bc);
318 }
319
320 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
321 {
322 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
323 __func__,
324 (unsigned int)norm,
325 v4l2_norm_to_name(norm));
326
327 dev->tvnorm = norm;
328
329 call_all(dev, core, s_std, norm);
330
331 return 0;
332 }
333
334 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
335 struct pci_dev *pci,
336 struct video_device *template,
337 char *type)
338 {
339 struct video_device *vfd;
340 dprintk(1, "%s()\n", __func__);
341
342 vfd = video_device_alloc();
343 if (NULL == vfd)
344 return NULL;
345 *vfd = *template;
346 vfd->v4l2_dev = &dev->v4l2_dev;
347 vfd->release = video_device_release;
348 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
349 cx23885_boards[dev->board].name, type);
350 video_set_drvdata(vfd, dev);
351 return vfd;
352 }
353
354 static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
355 {
356 int i;
357
358 if (qctrl->id < V4L2_CID_BASE ||
359 qctrl->id >= V4L2_CID_LASTP1)
360 return -EINVAL;
361 for (i = 0; i < CX23885_CTLS; i++)
362 if (cx23885_ctls[i].v.id == qctrl->id)
363 break;
364 if (i == CX23885_CTLS) {
365 *qctrl = no_ctl;
366 return 0;
367 }
368 *qctrl = cx23885_ctls[i].v;
369 return 0;
370 }
371
372 /* ------------------------------------------------------------------- */
373 /* resource management */
374
375 static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh,
376 unsigned int bit)
377 {
378 dprintk(1, "%s()\n", __func__);
379 if (fh->resources & bit)
380 /* have it already allocated */
381 return 1;
382
383 /* is it free? */
384 mutex_lock(&dev->lock);
385 if (dev->resources & bit) {
386 /* no, someone else uses it */
387 mutex_unlock(&dev->lock);
388 return 0;
389 }
390 /* it's free, grab it */
391 fh->resources |= bit;
392 dev->resources |= bit;
393 dprintk(1, "res: get %d\n", bit);
394 mutex_unlock(&dev->lock);
395 return 1;
396 }
397
398 static int res_check(struct cx23885_fh *fh, unsigned int bit)
399 {
400 return fh->resources & bit;
401 }
402
403 static int res_locked(struct cx23885_dev *dev, unsigned int bit)
404 {
405 return dev->resources & bit;
406 }
407
408 static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
409 unsigned int bits)
410 {
411 BUG_ON((fh->resources & bits) != bits);
412 dprintk(1, "%s()\n", __func__);
413
414 mutex_lock(&dev->lock);
415 fh->resources &= ~bits;
416 dev->resources &= ~bits;
417 dprintk(1, "res: put %d\n", bits);
418 mutex_unlock(&dev->lock);
419 }
420
421 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
422 {
423 /* 8 bit registers, 8 bit values */
424 u8 buf[] = { reg, data };
425
426 struct i2c_msg msg = { .addr = 0x98 >> 1,
427 .flags = 0, .buf = buf, .len = 2 };
428
429 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
430 }
431
432 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
433 {
434 /* 8 bit registers, 8 bit values */
435 int ret;
436 u8 b0[] = { reg };
437 u8 b1[] = { 0 };
438
439 struct i2c_msg msg[] = {
440 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
441 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
442 };
443
444 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
445 if (ret != 2)
446 printk(KERN_ERR "%s() error\n", __func__);
447
448 return b1[0];
449 }
450
451 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
452 {
453 int i;
454 dprintk(1, "Flatiron dump\n");
455 for (i = 0; i < 0x24; i++) {
456 dprintk(1, "FI[%02x] = %02x\n", i,
457 cx23885_flatiron_read(dev, i));
458 }
459 }
460
461 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
462 {
463 u8 val;
464 dprintk(1, "%s(input = %d)\n", __func__, input);
465
466 if (input == 1)
467 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
468 else if (input == 2)
469 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
470 else
471 return -EINVAL;
472
473 val |= 0x20; /* Enable clock to delta-sigma and dec filter */
474
475 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
476
477 /* Wake up */
478 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
479
480 if (video_debug)
481 cx23885_flatiron_dump(dev);
482
483 return 0;
484 }
485
486 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
487 {
488 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
489 __func__,
490 input, INPUT(input)->vmux,
491 INPUT(input)->gpio0, INPUT(input)->gpio1,
492 INPUT(input)->gpio2, INPUT(input)->gpio3);
493 dev->input = input;
494
495 if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
496 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
497 dev->board == CX23885_BOARD_MYGICA_X8507) {
498 /* Select Analog TV */
499 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
500 cx23885_gpio_clear(dev, GPIO_0);
501 }
502
503 /* Tell the internal A/V decoder */
504 v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
505 INPUT(input)->vmux, 0, 0);
506
507 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
508 (dev->board == CX23885_BOARD_MPX885) ||
509 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
510 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
511 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
512 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
513 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
514 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R)) {
515 /* Configure audio routing */
516 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
517 INPUT(input)->amux, 0, 0);
518
519 if (INPUT(input)->amux == CX25840_AUDIO7)
520 cx23885_flatiron_mux(dev, 1);
521 else if (INPUT(input)->amux == CX25840_AUDIO6)
522 cx23885_flatiron_mux(dev, 2);
523 }
524
525 return 0;
526 }
527
528 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
529 {
530 dprintk(1, "%s(input=%d)\n", __func__, input);
531
532 /* The baseband video core of the cx23885 has two audio inputs.
533 * LR1 and LR2. In almost every single case so far only HVR1xxx
534 * cards we've only ever supported LR1. Time to support LR2,
535 * which is available via the optional white breakout header on
536 * the board.
537 * We'll use a could of existing enums in the card struct to allow
538 * devs to specify which baseband input they need, or just default
539 * to what we've always used.
540 */
541 if (INPUT(input)->amux == CX25840_AUDIO7)
542 cx23885_flatiron_mux(dev, 1);
543 else if (INPUT(input)->amux == CX25840_AUDIO6)
544 cx23885_flatiron_mux(dev, 2);
545 else {
546 /* Not specifically defined, assume the default. */
547 cx23885_flatiron_mux(dev, 1);
548 }
549
550 return 0;
551 }
552
553 /* ------------------------------------------------------------------ */
554 static int cx23885_start_video_dma(struct cx23885_dev *dev,
555 struct cx23885_dmaqueue *q,
556 struct cx23885_buffer *buf)
557 {
558 dprintk(1, "%s()\n", __func__);
559
560 /* Stop the dma/fifo before we tamper with it's risc programs */
561 cx_clear(VID_A_DMA_CTL, 0x11);
562
563 /* setup fifo + format */
564 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
565 buf->bpl, buf->risc.dma);
566
567 /* reset counter */
568 cx_write(VID_A_GPCNT_CTL, 3);
569 q->count = 1;
570
571 /* enable irq */
572 cx23885_irq_add_enable(dev, 0x01);
573 cx_set(VID_A_INT_MSK, 0x000011);
574
575 /* start dma */
576 cx_set(DEV_CNTRL2, (1<<5));
577 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
578
579 return 0;
580 }
581
582
583 static int cx23885_restart_video_queue(struct cx23885_dev *dev,
584 struct cx23885_dmaqueue *q)
585 {
586 struct cx23885_buffer *buf, *prev;
587 struct list_head *item;
588 dprintk(1, "%s()\n", __func__);
589
590 if (!list_empty(&q->active)) {
591 buf = list_entry(q->active.next, struct cx23885_buffer,
592 vb.queue);
593 dprintk(2, "restart_queue [%p/%d]: restart dma\n",
594 buf, buf->vb.i);
595 cx23885_start_video_dma(dev, q, buf);
596 list_for_each(item, &q->active) {
597 buf = list_entry(item, struct cx23885_buffer,
598 vb.queue);
599 buf->count = q->count++;
600 }
601 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
602 return 0;
603 }
604
605 prev = NULL;
606 for (;;) {
607 if (list_empty(&q->queued))
608 return 0;
609 buf = list_entry(q->queued.next, struct cx23885_buffer,
610 vb.queue);
611 if (NULL == prev) {
612 list_move_tail(&buf->vb.queue, &q->active);
613 cx23885_start_video_dma(dev, q, buf);
614 buf->vb.state = VIDEOBUF_ACTIVE;
615 buf->count = q->count++;
616 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
617 dprintk(2, "[%p/%d] restart_queue - first active\n",
618 buf, buf->vb.i);
619
620 } else if (prev->vb.width == buf->vb.width &&
621 prev->vb.height == buf->vb.height &&
622 prev->fmt == buf->fmt) {
623 list_move_tail(&buf->vb.queue, &q->active);
624 buf->vb.state = VIDEOBUF_ACTIVE;
625 buf->count = q->count++;
626 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
627 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
628 dprintk(2, "[%p/%d] restart_queue - move to active\n",
629 buf, buf->vb.i);
630 } else {
631 return 0;
632 }
633 prev = buf;
634 }
635 }
636
637 static int buffer_setup(struct videobuf_queue *q, unsigned int *count,
638 unsigned int *size)
639 {
640 struct cx23885_fh *fh = q->priv_data;
641
642 *size = fh->fmt->depth*fh->width*fh->height >> 3;
643 if (0 == *count)
644 *count = 32;
645 if (*size * *count > vid_limit * 1024 * 1024)
646 *count = (vid_limit * 1024 * 1024) / *size;
647 return 0;
648 }
649
650 static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
651 enum v4l2_field field)
652 {
653 struct cx23885_fh *fh = q->priv_data;
654 struct cx23885_dev *dev = fh->dev;
655 struct cx23885_buffer *buf =
656 container_of(vb, struct cx23885_buffer, vb);
657 int rc, init_buffer = 0;
658 u32 line0_offset, line1_offset;
659 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
660 int field_tff;
661
662 BUG_ON(NULL == fh->fmt);
663 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) ||
664 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm))
665 return -EINVAL;
666 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
667 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
668 return -EINVAL;
669
670 if (buf->fmt != fh->fmt ||
671 buf->vb.width != fh->width ||
672 buf->vb.height != fh->height ||
673 buf->vb.field != field) {
674 buf->fmt = fh->fmt;
675 buf->vb.width = fh->width;
676 buf->vb.height = fh->height;
677 buf->vb.field = field;
678 init_buffer = 1;
679 }
680
681 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
682 init_buffer = 1;
683 rc = videobuf_iolock(q, &buf->vb, NULL);
684 if (0 != rc)
685 goto fail;
686 }
687
688 if (init_buffer) {
689 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
690 switch (buf->vb.field) {
691 case V4L2_FIELD_TOP:
692 cx23885_risc_buffer(dev->pci, &buf->risc,
693 dma->sglist, 0, UNSET,
694 buf->bpl, 0, buf->vb.height);
695 break;
696 case V4L2_FIELD_BOTTOM:
697 cx23885_risc_buffer(dev->pci, &buf->risc,
698 dma->sglist, UNSET, 0,
699 buf->bpl, 0, buf->vb.height);
700 break;
701 case V4L2_FIELD_INTERLACED:
702 if (dev->tvnorm & V4L2_STD_NTSC)
703 /* NTSC or */
704 field_tff = 1;
705 else
706 field_tff = 0;
707
708 if (cx23885_boards[dev->board].force_bff)
709 /* PAL / SECAM OR 888 in NTSC MODE */
710 field_tff = 0;
711
712 if (field_tff) {
713 /* cx25840 transmits NTSC bottom field first */
714 dprintk(1, "%s() Creating TFF/NTSC risc\n",
715 __func__);
716 line0_offset = buf->bpl;
717 line1_offset = 0;
718 } else {
719 /* All other formats are top field first */
720 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
721 __func__);
722 line0_offset = 0;
723 line1_offset = buf->bpl;
724 }
725 cx23885_risc_buffer(dev->pci, &buf->risc,
726 dma->sglist, line0_offset,
727 line1_offset,
728 buf->bpl, buf->bpl,
729 buf->vb.height >> 1);
730 break;
731 case V4L2_FIELD_SEQ_TB:
732 cx23885_risc_buffer(dev->pci, &buf->risc,
733 dma->sglist,
734 0, buf->bpl * (buf->vb.height >> 1),
735 buf->bpl, 0,
736 buf->vb.height >> 1);
737 break;
738 case V4L2_FIELD_SEQ_BT:
739 cx23885_risc_buffer(dev->pci, &buf->risc,
740 dma->sglist,
741 buf->bpl * (buf->vb.height >> 1), 0,
742 buf->bpl, 0,
743 buf->vb.height >> 1);
744 break;
745 default:
746 BUG();
747 }
748 }
749 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
750 buf, buf->vb.i,
751 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
752 (unsigned long)buf->risc.dma);
753
754 buf->vb.state = VIDEOBUF_PREPARED;
755 return 0;
756
757 fail:
758 cx23885_free_buffer(q, buf);
759 return rc;
760 }
761
762 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
763 {
764 struct cx23885_buffer *buf = container_of(vb,
765 struct cx23885_buffer, vb);
766 struct cx23885_buffer *prev;
767 struct cx23885_fh *fh = vq->priv_data;
768 struct cx23885_dev *dev = fh->dev;
769 struct cx23885_dmaqueue *q = &dev->vidq;
770
771 /* add jump to stopper */
772 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
773 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
774 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
775
776 if (!list_empty(&q->queued)) {
777 list_add_tail(&buf->vb.queue, &q->queued);
778 buf->vb.state = VIDEOBUF_QUEUED;
779 dprintk(2, "[%p/%d] buffer_queue - append to queued\n",
780 buf, buf->vb.i);
781
782 } else if (list_empty(&q->active)) {
783 list_add_tail(&buf->vb.queue, &q->active);
784 cx23885_start_video_dma(dev, q, buf);
785 buf->vb.state = VIDEOBUF_ACTIVE;
786 buf->count = q->count++;
787 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
788 dprintk(2, "[%p/%d] buffer_queue - first active\n",
789 buf, buf->vb.i);
790
791 } else {
792 prev = list_entry(q->active.prev, struct cx23885_buffer,
793 vb.queue);
794 if (prev->vb.width == buf->vb.width &&
795 prev->vb.height == buf->vb.height &&
796 prev->fmt == buf->fmt) {
797 list_add_tail(&buf->vb.queue, &q->active);
798 buf->vb.state = VIDEOBUF_ACTIVE;
799 buf->count = q->count++;
800 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
801 /* 64 bit bits 63-32 */
802 prev->risc.jmp[2] = cpu_to_le32(0);
803 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
804 buf, buf->vb.i);
805
806 } else {
807 list_add_tail(&buf->vb.queue, &q->queued);
808 buf->vb.state = VIDEOBUF_QUEUED;
809 dprintk(2, "[%p/%d] buffer_queue - first queued\n",
810 buf, buf->vb.i);
811 }
812 }
813 }
814
815 static void buffer_release(struct videobuf_queue *q,
816 struct videobuf_buffer *vb)
817 {
818 struct cx23885_buffer *buf = container_of(vb,
819 struct cx23885_buffer, vb);
820
821 cx23885_free_buffer(q, buf);
822 }
823
824 static struct videobuf_queue_ops cx23885_video_qops = {
825 .buf_setup = buffer_setup,
826 .buf_prepare = buffer_prepare,
827 .buf_queue = buffer_queue,
828 .buf_release = buffer_release,
829 };
830
831 static struct videobuf_queue *get_queue(struct cx23885_fh *fh)
832 {
833 switch (fh->type) {
834 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
835 return &fh->vidq;
836 case V4L2_BUF_TYPE_VBI_CAPTURE:
837 return &fh->vbiq;
838 default:
839 BUG();
840 return NULL;
841 }
842 }
843
844 static int get_resource(struct cx23885_fh *fh)
845 {
846 switch (fh->type) {
847 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
848 return RESOURCE_VIDEO;
849 case V4L2_BUF_TYPE_VBI_CAPTURE:
850 return RESOURCE_VBI;
851 default:
852 BUG();
853 return 0;
854 }
855 }
856
857 static int video_open(struct file *file)
858 {
859 struct video_device *vdev = video_devdata(file);
860 struct cx23885_dev *dev = video_drvdata(file);
861 struct cx23885_fh *fh;
862 enum v4l2_buf_type type = 0;
863 int radio = 0;
864
865 switch (vdev->vfl_type) {
866 case VFL_TYPE_GRABBER:
867 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
868 break;
869 case VFL_TYPE_VBI:
870 type = V4L2_BUF_TYPE_VBI_CAPTURE;
871 break;
872 case VFL_TYPE_RADIO:
873 radio = 1;
874 break;
875 }
876
877 dprintk(1, "open dev=%s radio=%d type=%s\n",
878 video_device_node_name(vdev), radio, v4l2_type_names[type]);
879
880 /* allocate + initialize per filehandle data */
881 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
882 if (NULL == fh)
883 return -ENOMEM;
884
885 file->private_data = fh;
886 fh->dev = dev;
887 fh->radio = radio;
888 fh->type = type;
889 fh->width = 320;
890 fh->height = 240;
891 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
892
893 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
894 &dev->pci->dev, &dev->slock,
895 V4L2_BUF_TYPE_VIDEO_CAPTURE,
896 V4L2_FIELD_INTERLACED,
897 sizeof(struct cx23885_buffer),
898 fh, NULL);
899
900 videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops,
901 &dev->pci->dev, &dev->slock,
902 V4L2_BUF_TYPE_VBI_CAPTURE,
903 V4L2_FIELD_SEQ_TB,
904 sizeof(struct cx23885_buffer),
905 fh, NULL);
906
907
908 dprintk(1, "post videobuf_queue_init()\n");
909
910 return 0;
911 }
912
913 static ssize_t video_read(struct file *file, char __user *data,
914 size_t count, loff_t *ppos)
915 {
916 struct cx23885_fh *fh = file->private_data;
917
918 switch (fh->type) {
919 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
920 if (res_locked(fh->dev, RESOURCE_VIDEO))
921 return -EBUSY;
922 return videobuf_read_one(&fh->vidq, data, count, ppos,
923 file->f_flags & O_NONBLOCK);
924 case V4L2_BUF_TYPE_VBI_CAPTURE:
925 if (!res_get(fh->dev, fh, RESOURCE_VBI))
926 return -EBUSY;
927 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
928 file->f_flags & O_NONBLOCK);
929 default:
930 BUG();
931 return 0;
932 }
933 }
934
935 static unsigned int video_poll(struct file *file,
936 struct poll_table_struct *wait)
937 {
938 struct cx23885_fh *fh = file->private_data;
939 struct cx23885_buffer *buf;
940 unsigned int rc = POLLERR;
941
942 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
943 if (!res_get(fh->dev, fh, RESOURCE_VBI))
944 return POLLERR;
945 return videobuf_poll_stream(file, &fh->vbiq, wait);
946 }
947
948 mutex_lock(&fh->vidq.vb_lock);
949 if (res_check(fh, RESOURCE_VIDEO)) {
950 /* streaming capture */
951 if (list_empty(&fh->vidq.stream))
952 goto done;
953 buf = list_entry(fh->vidq.stream.next,
954 struct cx23885_buffer, vb.stream);
955 } else {
956 /* read() capture */
957 buf = (struct cx23885_buffer *)fh->vidq.read_buf;
958 if (NULL == buf)
959 goto done;
960 }
961 poll_wait(file, &buf->vb.done, wait);
962 if (buf->vb.state == VIDEOBUF_DONE ||
963 buf->vb.state == VIDEOBUF_ERROR)
964 rc = POLLIN|POLLRDNORM;
965 else
966 rc = 0;
967 done:
968 mutex_unlock(&fh->vidq.vb_lock);
969 return rc;
970 }
971
972 static int video_release(struct file *file)
973 {
974 struct cx23885_fh *fh = file->private_data;
975 struct cx23885_dev *dev = fh->dev;
976
977 /* turn off overlay */
978 if (res_check(fh, RESOURCE_OVERLAY)) {
979 /* FIXME */
980 res_free(dev, fh, RESOURCE_OVERLAY);
981 }
982
983 /* stop video capture */
984 if (res_check(fh, RESOURCE_VIDEO)) {
985 videobuf_queue_cancel(&fh->vidq);
986 res_free(dev, fh, RESOURCE_VIDEO);
987 }
988 if (fh->vidq.read_buf) {
989 buffer_release(&fh->vidq, fh->vidq.read_buf);
990 kfree(fh->vidq.read_buf);
991 }
992
993 /* stop vbi capture */
994 if (res_check(fh, RESOURCE_VBI)) {
995 if (fh->vbiq.streaming)
996 videobuf_streamoff(&fh->vbiq);
997 if (fh->vbiq.reading)
998 videobuf_read_stop(&fh->vbiq);
999 res_free(dev, fh, RESOURCE_VBI);
1000 }
1001
1002 videobuf_mmap_free(&fh->vidq);
1003 videobuf_mmap_free(&fh->vbiq);
1004
1005 file->private_data = NULL;
1006 kfree(fh);
1007
1008 /* We are not putting the tuner to sleep here on exit, because
1009 * we want to use the mpeg encoder in another session to capture
1010 * tuner video. Closing this will result in no video to the encoder.
1011 */
1012
1013 return 0;
1014 }
1015
1016 static int video_mmap(struct file *file, struct vm_area_struct *vma)
1017 {
1018 struct cx23885_fh *fh = file->private_data;
1019
1020 return videobuf_mmap_mapper(get_queue(fh), vma);
1021 }
1022
1023 /* ------------------------------------------------------------------ */
1024 /* VIDEO CTRL IOCTLS */
1025
1026 int cx23885_get_control(struct cx23885_dev *dev,
1027 struct v4l2_control *ctl)
1028 {
1029 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
1030 call_all(dev, core, g_ctrl, ctl);
1031 return 0;
1032 }
1033
1034 int cx23885_set_control(struct cx23885_dev *dev,
1035 struct v4l2_control *ctl)
1036 {
1037 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__);
1038 call_all(dev, core, s_ctrl, ctl);
1039
1040 return 0;
1041 }
1042
1043 static void init_controls(struct cx23885_dev *dev)
1044 {
1045 struct v4l2_control ctrl;
1046 int i;
1047
1048 for (i = 0; i < CX23885_CTLS; i++) {
1049 ctrl.id = cx23885_ctls[i].v.id;
1050 ctrl.value = cx23885_ctls[i].v.default_value;
1051
1052 cx23885_set_control(dev, &ctrl);
1053 }
1054 }
1055
1056 /* ------------------------------------------------------------------ */
1057 /* VIDEO IOCTLS */
1058
1059 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1060 struct v4l2_format *f)
1061 {
1062 struct cx23885_fh *fh = priv;
1063
1064 f->fmt.pix.width = fh->width;
1065 f->fmt.pix.height = fh->height;
1066 f->fmt.pix.field = fh->vidq.field;
1067 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1068 f->fmt.pix.bytesperline =
1069 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1070 f->fmt.pix.sizeimage =
1071 f->fmt.pix.height * f->fmt.pix.bytesperline;
1072
1073 return 0;
1074 }
1075
1076 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1077 struct v4l2_format *f)
1078 {
1079 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1080 struct cx23885_fmt *fmt;
1081 enum v4l2_field field;
1082 unsigned int maxw, maxh;
1083
1084 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1085 if (NULL == fmt)
1086 return -EINVAL;
1087
1088 field = f->fmt.pix.field;
1089 maxw = norm_maxw(dev->tvnorm);
1090 maxh = norm_maxh(dev->tvnorm);
1091
1092 if (V4L2_FIELD_ANY == field) {
1093 field = (f->fmt.pix.height > maxh/2)
1094 ? V4L2_FIELD_INTERLACED
1095 : V4L2_FIELD_BOTTOM;
1096 }
1097
1098 switch (field) {
1099 case V4L2_FIELD_TOP:
1100 case V4L2_FIELD_BOTTOM:
1101 maxh = maxh / 2;
1102 break;
1103 case V4L2_FIELD_INTERLACED:
1104 break;
1105 default:
1106 return -EINVAL;
1107 }
1108
1109 f->fmt.pix.field = field;
1110 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1111 &f->fmt.pix.height, 32, maxh, 0, 0);
1112 f->fmt.pix.bytesperline =
1113 (f->fmt.pix.width * fmt->depth) >> 3;
1114 f->fmt.pix.sizeimage =
1115 f->fmt.pix.height * f->fmt.pix.bytesperline;
1116
1117 return 0;
1118 }
1119
1120 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1121 struct v4l2_format *f)
1122 {
1123 struct cx23885_fh *fh = priv;
1124 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1125 struct v4l2_mbus_framefmt mbus_fmt;
1126 int err;
1127
1128 dprintk(2, "%s()\n", __func__);
1129 err = vidioc_try_fmt_vid_cap(file, priv, f);
1130
1131 if (0 != err)
1132 return err;
1133 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1134 fh->width = f->fmt.pix.width;
1135 fh->height = f->fmt.pix.height;
1136 fh->vidq.field = f->fmt.pix.field;
1137 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
1138 fh->width, fh->height, fh->vidq.field);
1139 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1140 call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1141 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
1142 return 0;
1143 }
1144
1145 static int vidioc_querycap(struct file *file, void *priv,
1146 struct v4l2_capability *cap)
1147 {
1148 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1149
1150 strcpy(cap->driver, "cx23885");
1151 strlcpy(cap->card, cx23885_boards[dev->board].name,
1152 sizeof(cap->card));
1153 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1154 cap->capabilities =
1155 V4L2_CAP_VIDEO_CAPTURE |
1156 V4L2_CAP_READWRITE |
1157 V4L2_CAP_STREAMING |
1158 V4L2_CAP_VBI_CAPTURE;
1159 if (UNSET != dev->tuner_type)
1160 cap->capabilities |= V4L2_CAP_TUNER;
1161 return 0;
1162 }
1163
1164 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1165 struct v4l2_fmtdesc *f)
1166 {
1167 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1168 return -EINVAL;
1169
1170 strlcpy(f->description, formats[f->index].name,
1171 sizeof(f->description));
1172 f->pixelformat = formats[f->index].fourcc;
1173
1174 return 0;
1175 }
1176
1177 static int vidioc_reqbufs(struct file *file, void *priv,
1178 struct v4l2_requestbuffers *p)
1179 {
1180 struct cx23885_fh *fh = priv;
1181 return videobuf_reqbufs(get_queue(fh), p);
1182 }
1183
1184 static int vidioc_querybuf(struct file *file, void *priv,
1185 struct v4l2_buffer *p)
1186 {
1187 struct cx23885_fh *fh = priv;
1188 return videobuf_querybuf(get_queue(fh), p);
1189 }
1190
1191 static int vidioc_qbuf(struct file *file, void *priv,
1192 struct v4l2_buffer *p)
1193 {
1194 struct cx23885_fh *fh = priv;
1195 return videobuf_qbuf(get_queue(fh), p);
1196 }
1197
1198 static int vidioc_dqbuf(struct file *file, void *priv,
1199 struct v4l2_buffer *p)
1200 {
1201 struct cx23885_fh *fh = priv;
1202 return videobuf_dqbuf(get_queue(fh), p,
1203 file->f_flags & O_NONBLOCK);
1204 }
1205
1206 static int vidioc_streamon(struct file *file, void *priv,
1207 enum v4l2_buf_type i)
1208 {
1209 struct cx23885_fh *fh = priv;
1210 struct cx23885_dev *dev = fh->dev;
1211 dprintk(1, "%s()\n", __func__);
1212
1213 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1214 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1215 return -EINVAL;
1216 if (unlikely(i != fh->type))
1217 return -EINVAL;
1218
1219 if (unlikely(!res_get(dev, fh, get_resource(fh))))
1220 return -EBUSY;
1221
1222 /* Don't start VBI streaming unless vida streaming
1223 * has already started.
1224 */
1225 if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) &&
1226 ((cx_read(VID_A_DMA_CTL) & 0x11) == 0))
1227 return -EINVAL;
1228
1229 return videobuf_streamon(get_queue(fh));
1230 }
1231
1232 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1233 {
1234 struct cx23885_fh *fh = priv;
1235 struct cx23885_dev *dev = fh->dev;
1236 int err, res;
1237 dprintk(1, "%s()\n", __func__);
1238
1239 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1240 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1241 return -EINVAL;
1242 if (i != fh->type)
1243 return -EINVAL;
1244
1245 res = get_resource(fh);
1246 err = videobuf_streamoff(get_queue(fh));
1247 if (err < 0)
1248 return err;
1249 res_free(dev, fh, res);
1250 return 0;
1251 }
1252
1253 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1254 {
1255 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1256 dprintk(1, "%s()\n", __func__);
1257
1258 *id = dev->tvnorm;
1259 return 0;
1260 }
1261
1262 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
1263 {
1264 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1265 dprintk(1, "%s()\n", __func__);
1266
1267 mutex_lock(&dev->lock);
1268 cx23885_set_tvnorm(dev, tvnorms);
1269 mutex_unlock(&dev->lock);
1270
1271 return 0;
1272 }
1273
1274 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
1275 {
1276 static const char *iname[] = {
1277 [CX23885_VMUX_COMPOSITE1] = "Composite1",
1278 [CX23885_VMUX_COMPOSITE2] = "Composite2",
1279 [CX23885_VMUX_COMPOSITE3] = "Composite3",
1280 [CX23885_VMUX_COMPOSITE4] = "Composite4",
1281 [CX23885_VMUX_SVIDEO] = "S-Video",
1282 [CX23885_VMUX_COMPONENT] = "Component",
1283 [CX23885_VMUX_TELEVISION] = "Television",
1284 [CX23885_VMUX_CABLE] = "Cable TV",
1285 [CX23885_VMUX_DVB] = "DVB",
1286 [CX23885_VMUX_DEBUG] = "for debug only",
1287 };
1288 unsigned int n;
1289 dprintk(1, "%s()\n", __func__);
1290
1291 n = i->index;
1292 if (n >= MAX_CX23885_INPUT)
1293 return -EINVAL;
1294
1295 if (0 == INPUT(n)->type)
1296 return -EINVAL;
1297
1298 i->index = n;
1299 i->type = V4L2_INPUT_TYPE_CAMERA;
1300 strcpy(i->name, iname[INPUT(n)->type]);
1301 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
1302 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
1303 i->type = V4L2_INPUT_TYPE_TUNER;
1304 i->std = CX23885_NORMS;
1305 }
1306
1307 /* Two selectable audio inputs for non-tv inputs */
1308 if (INPUT(n)->type != CX23885_VMUX_TELEVISION)
1309 i->audioset = 0x3;
1310
1311 if (dev->input == n) {
1312 /* enum'd input matches our configured input.
1313 * Ask the video decoder to process the call
1314 * and give it an oppertunity to update the
1315 * status field.
1316 */
1317 call_all(dev, video, g_input_status, &i->status);
1318 }
1319
1320 return 0;
1321 }
1322
1323 static int vidioc_enum_input(struct file *file, void *priv,
1324 struct v4l2_input *i)
1325 {
1326 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1327 dprintk(1, "%s()\n", __func__);
1328 return cx23885_enum_input(dev, i);
1329 }
1330
1331 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
1332 {
1333 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1334
1335 *i = dev->input;
1336 dprintk(1, "%s() returns %d\n", __func__, *i);
1337 return 0;
1338 }
1339
1340 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1341 {
1342 return cx23885_get_input(file, priv, i);
1343 }
1344
1345 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
1346 {
1347 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1348
1349 dprintk(1, "%s(%d)\n", __func__, i);
1350
1351 if (i >= MAX_CX23885_INPUT) {
1352 dprintk(1, "%s() -EINVAL\n", __func__);
1353 return -EINVAL;
1354 }
1355
1356 if (INPUT(i)->type == 0)
1357 return -EINVAL;
1358
1359 mutex_lock(&dev->lock);
1360 cx23885_video_mux(dev, i);
1361
1362 /* By default establish the default audio input for the card also */
1363 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
1364 cx23885_audio_mux(dev, i);
1365 mutex_unlock(&dev->lock);
1366 return 0;
1367 }
1368
1369 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1370 {
1371 return cx23885_set_input(file, priv, i);
1372 }
1373
1374 static int vidioc_log_status(struct file *file, void *priv)
1375 {
1376 struct cx23885_fh *fh = priv;
1377 struct cx23885_dev *dev = fh->dev;
1378
1379 printk(KERN_INFO
1380 "%s/0: ============ START LOG STATUS ============\n",
1381 dev->name);
1382 call_all(dev, core, log_status);
1383 printk(KERN_INFO
1384 "%s/0: ============= END LOG STATUS =============\n",
1385 dev->name);
1386 return 0;
1387 }
1388
1389 static int cx23885_query_audinput(struct file *file, void *priv,
1390 struct v4l2_audio *i)
1391 {
1392 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1393 static const char *iname[] = {
1394 [0] = "Baseband L/R 1",
1395 [1] = "Baseband L/R 2",
1396 };
1397 unsigned int n;
1398 dprintk(1, "%s()\n", __func__);
1399
1400 n = i->index;
1401 if (n >= 2)
1402 return -EINVAL;
1403
1404 memset(i, 0, sizeof(*i));
1405 i->index = n;
1406 strcpy(i->name, iname[n]);
1407 i->capability = V4L2_AUDCAP_STEREO;
1408 i->mode = V4L2_AUDMODE_AVL;
1409 return 0;
1410
1411 }
1412
1413 static int vidioc_enum_audinput(struct file *file, void *priv,
1414 struct v4l2_audio *i)
1415 {
1416 return cx23885_query_audinput(file, priv, i);
1417 }
1418
1419 static int vidioc_g_audinput(struct file *file, void *priv,
1420 struct v4l2_audio *i)
1421 {
1422 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1423
1424 i->index = dev->audinput;
1425 dprintk(1, "%s(input=%d)\n", __func__, i->index);
1426
1427 return cx23885_query_audinput(file, priv, i);
1428 }
1429
1430 static int vidioc_s_audinput(struct file *file, void *priv,
1431 const struct v4l2_audio *i)
1432 {
1433 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1434 if (i->index >= 2)
1435 return -EINVAL;
1436
1437 dprintk(1, "%s(%d)\n", __func__, i->index);
1438
1439 dev->audinput = i->index;
1440
1441 /* Skip the audio defaults from the cards struct, caller wants
1442 * directly touch the audio mux hardware. */
1443 cx23885_flatiron_mux(dev, dev->audinput + 1);
1444 return 0;
1445 }
1446
1447 static int vidioc_queryctrl(struct file *file, void *priv,
1448 struct v4l2_queryctrl *qctrl)
1449 {
1450 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1451 if (unlikely(qctrl->id == 0))
1452 return -EINVAL;
1453 return cx23885_ctrl_query(qctrl);
1454 }
1455
1456 static int vidioc_g_ctrl(struct file *file, void *priv,
1457 struct v4l2_control *ctl)
1458 {
1459 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1460
1461 return cx23885_get_control(dev, ctl);
1462 }
1463
1464 static int vidioc_s_ctrl(struct file *file, void *priv,
1465 struct v4l2_control *ctl)
1466 {
1467 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1468
1469 return cx23885_set_control(dev, ctl);
1470 }
1471
1472 static int vidioc_g_tuner(struct file *file, void *priv,
1473 struct v4l2_tuner *t)
1474 {
1475 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1476
1477 if (unlikely(UNSET == dev->tuner_type))
1478 return -EINVAL;
1479 if (0 != t->index)
1480 return -EINVAL;
1481
1482 strcpy(t->name, "Television");
1483
1484 call_all(dev, tuner, g_tuner, t);
1485 return 0;
1486 }
1487
1488 static int vidioc_s_tuner(struct file *file, void *priv,
1489 const struct v4l2_tuner *t)
1490 {
1491 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1492
1493 if (UNSET == dev->tuner_type)
1494 return -EINVAL;
1495 if (0 != t->index)
1496 return -EINVAL;
1497 /* Update the A/V core */
1498 call_all(dev, tuner, s_tuner, t);
1499
1500 return 0;
1501 }
1502
1503 static int vidioc_g_frequency(struct file *file, void *priv,
1504 struct v4l2_frequency *f)
1505 {
1506 struct cx23885_fh *fh = priv;
1507 struct cx23885_dev *dev = fh->dev;
1508
1509 if (unlikely(UNSET == dev->tuner_type))
1510 return -EINVAL;
1511
1512 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1513 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1514 f->frequency = dev->freq;
1515
1516 call_all(dev, tuner, g_frequency, f);
1517
1518 return 0;
1519 }
1520
1521 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
1522 {
1523 struct v4l2_control ctrl;
1524
1525 if (unlikely(UNSET == dev->tuner_type))
1526 return -EINVAL;
1527 if (unlikely(f->tuner != 0))
1528 return -EINVAL;
1529
1530 mutex_lock(&dev->lock);
1531 dev->freq = f->frequency;
1532
1533 /* I need to mute audio here */
1534 ctrl.id = V4L2_CID_AUDIO_MUTE;
1535 ctrl.value = 1;
1536 cx23885_set_control(dev, &ctrl);
1537
1538 call_all(dev, tuner, s_frequency, f);
1539
1540 /* When changing channels it is required to reset TVAUDIO */
1541 msleep(100);
1542
1543 /* I need to unmute audio here */
1544 ctrl.value = 0;
1545 cx23885_set_control(dev, &ctrl);
1546
1547 mutex_unlock(&dev->lock);
1548
1549 return 0;
1550 }
1551
1552 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
1553 const struct v4l2_frequency *f)
1554 {
1555 struct v4l2_control ctrl;
1556 struct videobuf_dvb_frontend *vfe;
1557 struct dvb_frontend *fe;
1558
1559 struct analog_parameters params = {
1560 .mode = V4L2_TUNER_ANALOG_TV,
1561 .audmode = V4L2_TUNER_MODE_STEREO,
1562 .std = dev->tvnorm,
1563 .frequency = f->frequency
1564 };
1565
1566 mutex_lock(&dev->lock);
1567 dev->freq = f->frequency;
1568
1569 /* I need to mute audio here */
1570 ctrl.id = V4L2_CID_AUDIO_MUTE;
1571 ctrl.value = 1;
1572 cx23885_set_control(dev, &ctrl);
1573
1574 /* If HVR1850 */
1575 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
1576 params.frequency, f->tuner, params.std);
1577
1578 vfe = videobuf_dvb_get_frontend(&dev->ts2.frontends, 1);
1579 if (!vfe) {
1580 mutex_unlock(&dev->lock);
1581 return -EINVAL;
1582 }
1583
1584 fe = vfe->dvb.frontend;
1585
1586 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
1587 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
1588 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
1589 fe = &dev->ts1.analog_fe;
1590
1591 if (fe && fe->ops.tuner_ops.set_analog_params) {
1592 call_all(dev, core, s_std, dev->tvnorm);
1593 fe->ops.tuner_ops.set_analog_params(fe, &params);
1594 }
1595 else
1596 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
1597
1598 /* When changing channels it is required to reset TVAUDIO */
1599 msleep(100);
1600
1601 /* I need to unmute audio here */
1602 ctrl.value = 0;
1603 cx23885_set_control(dev, &ctrl);
1604
1605 mutex_unlock(&dev->lock);
1606
1607 return 0;
1608 }
1609
1610 int cx23885_set_frequency(struct file *file, void *priv,
1611 const struct v4l2_frequency *f)
1612 {
1613 struct cx23885_fh *fh = priv;
1614 struct cx23885_dev *dev = fh->dev;
1615 int ret;
1616
1617 switch (dev->board) {
1618 case CX23885_BOARD_HAUPPAUGE_HVR1255:
1619 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1620 case CX23885_BOARD_HAUPPAUGE_HVR1850:
1621 ret = cx23885_set_freq_via_ops(dev, f);
1622 break;
1623 default:
1624 ret = cx23885_set_freq(dev, f);
1625 }
1626
1627 return ret;
1628 }
1629
1630 static int vidioc_s_frequency(struct file *file, void *priv,
1631 const struct v4l2_frequency *f)
1632 {
1633 return cx23885_set_frequency(file, priv, f);
1634 }
1635
1636 /* ----------------------------------------------------------- */
1637
1638 static void cx23885_vid_timeout(unsigned long data)
1639 {
1640 struct cx23885_dev *dev = (struct cx23885_dev *)data;
1641 struct cx23885_dmaqueue *q = &dev->vidq;
1642 struct cx23885_buffer *buf;
1643 unsigned long flags;
1644
1645 spin_lock_irqsave(&dev->slock, flags);
1646 while (!list_empty(&q->active)) {
1647 buf = list_entry(q->active.next,
1648 struct cx23885_buffer, vb.queue);
1649 list_del(&buf->vb.queue);
1650 buf->vb.state = VIDEOBUF_ERROR;
1651 wake_up(&buf->vb.done);
1652 printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n",
1653 dev->name, buf, buf->vb.i,
1654 (unsigned long)buf->risc.dma);
1655 }
1656 cx23885_restart_video_queue(dev, q);
1657 spin_unlock_irqrestore(&dev->slock, flags);
1658 }
1659
1660 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1661 {
1662 u32 mask, count;
1663 int handled = 0;
1664
1665 mask = cx_read(VID_A_INT_MSK);
1666 if (0 == (status & mask))
1667 return handled;
1668
1669 cx_write(VID_A_INT_STAT, status);
1670
1671 /* risc op code error, fifo overflow or line sync detection error */
1672 if ((status & VID_BC_MSK_OPC_ERR) ||
1673 (status & VID_BC_MSK_SYNC) ||
1674 (status & VID_BC_MSK_OF)) {
1675
1676 if (status & VID_BC_MSK_OPC_ERR) {
1677 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1678 VID_BC_MSK_OPC_ERR);
1679 printk(KERN_WARNING "%s: video risc op code error\n",
1680 dev->name);
1681 cx23885_sram_channel_dump(dev,
1682 &dev->sram_channels[SRAM_CH01]);
1683 }
1684
1685 if (status & VID_BC_MSK_SYNC)
1686 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1687 "video lines miss-match\n",
1688 VID_BC_MSK_SYNC);
1689
1690 if (status & VID_BC_MSK_OF)
1691 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1692 VID_BC_MSK_OF);
1693
1694 }
1695
1696 /* Video */
1697 if (status & VID_BC_MSK_RISCI1) {
1698 spin_lock(&dev->slock);
1699 count = cx_read(VID_A_GPCNT);
1700 cx23885_video_wakeup(dev, &dev->vidq, count);
1701 spin_unlock(&dev->slock);
1702 handled++;
1703 }
1704 if (status & VID_BC_MSK_RISCI2) {
1705 dprintk(2, "stopper video\n");
1706 spin_lock(&dev->slock);
1707 cx23885_restart_video_queue(dev, &dev->vidq);
1708 spin_unlock(&dev->slock);
1709 handled++;
1710 }
1711
1712 /* Allow the VBI framework to process it's payload */
1713 handled += cx23885_vbi_irq(dev, status);
1714
1715 return handled;
1716 }
1717
1718 /* ----------------------------------------------------------- */
1719 /* exported stuff */
1720
1721 static const struct v4l2_file_operations video_fops = {
1722 .owner = THIS_MODULE,
1723 .open = video_open,
1724 .release = video_release,
1725 .read = video_read,
1726 .poll = video_poll,
1727 .mmap = video_mmap,
1728 .ioctl = video_ioctl2,
1729 };
1730
1731 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1732 .vidioc_querycap = vidioc_querycap,
1733 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1734 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1735 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1736 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1737 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt,
1738 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
1739 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
1740 .vidioc_reqbufs = vidioc_reqbufs,
1741 .vidioc_querybuf = vidioc_querybuf,
1742 .vidioc_qbuf = vidioc_qbuf,
1743 .vidioc_dqbuf = vidioc_dqbuf,
1744 .vidioc_s_std = vidioc_s_std,
1745 .vidioc_g_std = vidioc_g_std,
1746 .vidioc_enum_input = vidioc_enum_input,
1747 .vidioc_g_input = vidioc_g_input,
1748 .vidioc_s_input = vidioc_s_input,
1749 .vidioc_log_status = vidioc_log_status,
1750 .vidioc_queryctrl = vidioc_queryctrl,
1751 .vidioc_g_ctrl = vidioc_g_ctrl,
1752 .vidioc_s_ctrl = vidioc_s_ctrl,
1753 .vidioc_streamon = vidioc_streamon,
1754 .vidioc_streamoff = vidioc_streamoff,
1755 .vidioc_g_tuner = vidioc_g_tuner,
1756 .vidioc_s_tuner = vidioc_s_tuner,
1757 .vidioc_g_frequency = vidioc_g_frequency,
1758 .vidioc_s_frequency = vidioc_s_frequency,
1759 #ifdef CONFIG_VIDEO_ADV_DEBUG
1760 .vidioc_g_chip_info = cx23885_g_chip_info,
1761 .vidioc_g_register = cx23885_g_register,
1762 .vidioc_s_register = cx23885_s_register,
1763 #endif
1764 .vidioc_enumaudio = vidioc_enum_audinput,
1765 .vidioc_g_audio = vidioc_g_audinput,
1766 .vidioc_s_audio = vidioc_s_audinput,
1767 };
1768
1769 static struct video_device cx23885_vbi_template;
1770 static struct video_device cx23885_video_template = {
1771 .name = "cx23885-video",
1772 .fops = &video_fops,
1773 .ioctl_ops = &video_ioctl_ops,
1774 .tvnorms = CX23885_NORMS,
1775 };
1776
1777 static const struct v4l2_file_operations radio_fops = {
1778 .owner = THIS_MODULE,
1779 .open = video_open,
1780 .release = video_release,
1781 .ioctl = video_ioctl2,
1782 };
1783
1784
1785 void cx23885_video_unregister(struct cx23885_dev *dev)
1786 {
1787 dprintk(1, "%s()\n", __func__);
1788 cx23885_irq_remove(dev, 0x01);
1789
1790 if (dev->vbi_dev) {
1791 if (video_is_registered(dev->vbi_dev))
1792 video_unregister_device(dev->vbi_dev);
1793 else
1794 video_device_release(dev->vbi_dev);
1795 dev->vbi_dev = NULL;
1796 btcx_riscmem_free(dev->pci, &dev->vbiq.stopper);
1797 }
1798 if (dev->video_dev) {
1799 if (video_is_registered(dev->video_dev))
1800 video_unregister_device(dev->video_dev);
1801 else
1802 video_device_release(dev->video_dev);
1803 dev->video_dev = NULL;
1804
1805 btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
1806 }
1807
1808 if (dev->audio_dev)
1809 cx23885_audio_unregister(dev);
1810 }
1811
1812 int cx23885_video_register(struct cx23885_dev *dev)
1813 {
1814 int err;
1815
1816 dprintk(1, "%s()\n", __func__);
1817 spin_lock_init(&dev->slock);
1818
1819 /* Initialize VBI template */
1820 cx23885_vbi_template = cx23885_video_template;
1821 strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1822
1823 dev->tvnorm = V4L2_STD_NTSC_M;
1824
1825 /* init video dma queues */
1826 INIT_LIST_HEAD(&dev->vidq.active);
1827 INIT_LIST_HEAD(&dev->vidq.queued);
1828 dev->vidq.timeout.function = cx23885_vid_timeout;
1829 dev->vidq.timeout.data = (unsigned long)dev;
1830 init_timer(&dev->vidq.timeout);
1831 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
1832 VID_A_DMA_CTL, 0x11, 0x00);
1833
1834 /* init vbi dma queues */
1835 INIT_LIST_HEAD(&dev->vbiq.active);
1836 INIT_LIST_HEAD(&dev->vbiq.queued);
1837 dev->vbiq.timeout.function = cx23885_vbi_timeout;
1838 dev->vbiq.timeout.data = (unsigned long)dev;
1839 init_timer(&dev->vbiq.timeout);
1840 cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper,
1841 VID_A_DMA_CTL, 0x22, 0x00);
1842
1843 cx23885_irq_add_enable(dev, 0x01);
1844
1845 if ((TUNER_ABSENT != dev->tuner_type) &&
1846 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1847 struct v4l2_subdev *sd = NULL;
1848
1849 if (dev->tuner_addr)
1850 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1851 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1852 "tuner", dev->tuner_addr, NULL);
1853 else
1854 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1855 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1856 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1857 if (sd) {
1858 struct tuner_setup tun_setup;
1859
1860 memset(&tun_setup, 0, sizeof(tun_setup));
1861 tun_setup.mode_mask = T_ANALOG_TV;
1862 tun_setup.type = dev->tuner_type;
1863 tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1864 tun_setup.tuner_callback = cx23885_tuner_callback;
1865
1866 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1867
1868 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1869 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1870 struct xc2028_ctrl ctrl = {
1871 .fname = XC2028_DEFAULT_FIRMWARE,
1872 .max_len = 64
1873 };
1874 struct v4l2_priv_tun_config cfg = {
1875 .tuner = dev->tuner_type,
1876 .priv = &ctrl
1877 };
1878 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1879 }
1880
1881 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1882 struct xc2028_ctrl ctrl = {
1883 .fname = "xc3028L-v36.fw",
1884 .max_len = 64
1885 };
1886 struct v4l2_priv_tun_config cfg = {
1887 .tuner = dev->tuner_type,
1888 .priv = &ctrl
1889 };
1890 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1891 }
1892 }
1893 }
1894
1895 /* register Video device */
1896 dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1897 &cx23885_video_template, "video");
1898 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1899 video_nr[dev->nr]);
1900 if (err < 0) {
1901 printk(KERN_INFO "%s: can't register video device\n",
1902 dev->name);
1903 goto fail_unreg;
1904 }
1905 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1906 dev->name, video_device_node_name(dev->video_dev));
1907
1908 /* register VBI device */
1909 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1910 &cx23885_vbi_template, "vbi");
1911 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1912 vbi_nr[dev->nr]);
1913 if (err < 0) {
1914 printk(KERN_INFO "%s: can't register vbi device\n",
1915 dev->name);
1916 goto fail_unreg;
1917 }
1918 printk(KERN_INFO "%s: registered device %s\n",
1919 dev->name, video_device_node_name(dev->vbi_dev));
1920
1921 /* Register ALSA audio device */
1922 dev->audio_dev = cx23885_audio_register(dev);
1923
1924 /* initial device configuration */
1925 mutex_lock(&dev->lock);
1926 cx23885_set_tvnorm(dev, dev->tvnorm);
1927 init_controls(dev);
1928 cx23885_video_mux(dev, 0);
1929 cx23885_audio_mux(dev, 0);
1930 mutex_unlock(&dev->lock);
1931
1932 return 0;
1933
1934 fail_unreg:
1935 cx23885_video_unregister(dev);
1936 return err;
1937 }
1938
Linux with added FPC-III support