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 
1939