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 
18 #include <linux/init.h>
19 #include <linux/list.h>
20 #include <linux/module.h>
21 #include <linux/moduleparam.h>
22 #include <linux/kmod.h>
23 #include <linux/kernel.h>
24 #include <linux/slab.h>
25 #include <linux/interrupt.h>
26 #include <linux/delay.h>
27 #include <linux/kthread.h>
28 #include <asm/div64.h>
29 
30 #include "cx23885.h"
31 #include "cx23885-video.h"
32 #include <media/v4l2-common.h>
33 #include <media/v4l2-ioctl.h>
34 #include <media/v4l2-event.h>
35 #include "cx23885-ioctl.h"
36 #include "tuner-xc2028.h"
37 
38 #include <media/cx25840.h>
39 
40 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
41 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
42 MODULE_LICENSE("GPL");
43 
44 /* ------------------------------------------------------------------ */
45 
46 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
47 static unsigned int vbi_nr[]   = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
48 
49 module_param_array(video_nr, int, NULL, 0444);
50 module_param_array(vbi_nr,   int, NULL, 0444);
51 
52 MODULE_PARM_DESC(video_nr, "video device numbers");
53 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
54 
55 static unsigned int video_debug;
56 module_param(video_debug, int, 0644);
57 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
58 
59 static unsigned int irq_debug;
60 module_param(irq_debug, int, 0644);
61 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
62 
63 static unsigned int vid_limit = 16;
64 module_param(vid_limit, int, 0644);
65 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
66 
67 #define dprintk(level, fmt, arg...)\
68 	do { if (video_debug >= level)\
69 		printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
70 	} while (0)
71 
72 /* ------------------------------------------------------------------- */
73 /* static data                                                         */
74 
75 #define FORMAT_FLAGS_PACKED       0x01
76 static struct cx23885_fmt formats[] = {
77 	{
78 		.name     = "4:2:2, packed, YUYV",
79 		.fourcc   = V4L2_PIX_FMT_YUYV,
80 		.depth    = 16,
81 		.flags    = FORMAT_FLAGS_PACKED,
82 	}
83 };
84 
85 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
86 {
87 	unsigned int i;
88 
89 	for (i = 0; i < ARRAY_SIZE(formats); i++)
90 		if (formats[i].fourcc == fourcc)
91 			return formats+i;
92 	return NULL;
93 }
94 
95 /* ------------------------------------------------------------------- */
96 
97 void cx23885_video_wakeup(struct cx23885_dev *dev,
98 	struct cx23885_dmaqueue *q, u32 count)
99 {
100 	struct cx23885_buffer *buf;
101 
102 	if (list_empty(&q->active))
103 		return;
104 	buf = list_entry(q->active.next,
105 			struct cx23885_buffer, queue);
106 
107 	buf->vb.v4l2_buf.sequence = q->count++;
108 	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
109 	dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.v4l2_buf.index,
110 			count, q->count);
111 	list_del(&buf->queue);
112 	vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
113 }
114 
115 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
116 {
117 	dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
118 		__func__,
119 		(unsigned int)norm,
120 		v4l2_norm_to_name(norm));
121 
122 	if (dev->tvnorm != norm) {
123 		if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
124 		    vb2_is_busy(&dev->vb2_mpegq))
125 			return -EBUSY;
126 	}
127 
128 	dev->tvnorm = norm;
129 
130 	call_all(dev, video, s_std, norm);
131 
132 	return 0;
133 }
134 
135 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
136 				    struct pci_dev *pci,
137 				    struct video_device *template,
138 				    char *type)
139 {
140 	struct video_device *vfd;
141 	dprintk(1, "%s()\n", __func__);
142 
143 	vfd = video_device_alloc();
144 	if (NULL == vfd)
145 		return NULL;
146 	*vfd = *template;
147 	vfd->v4l2_dev = &dev->v4l2_dev;
148 	vfd->release = video_device_release;
149 	vfd->lock = &dev->lock;
150 	snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
151 		 cx23885_boards[dev->board].name, type);
152 	video_set_drvdata(vfd, dev);
153 	return vfd;
154 }
155 
156 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
157 {
158 	/* 8 bit registers, 8 bit values */
159 	u8 buf[] = { reg, data };
160 
161 	struct i2c_msg msg = { .addr = 0x98 >> 1,
162 		.flags = 0, .buf = buf, .len = 2 };
163 
164 	return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
165 }
166 
167 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
168 {
169 	/* 8 bit registers, 8 bit values */
170 	int ret;
171 	u8 b0[] = { reg };
172 	u8 b1[] = { 0 };
173 
174 	struct i2c_msg msg[] = {
175 		{ .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
176 		{ .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
177 	};
178 
179 	ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
180 	if (ret != 2)
181 		printk(KERN_ERR "%s() error\n", __func__);
182 
183 	return b1[0];
184 }
185 
186 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
187 {
188 	int i;
189 	dprintk(1, "Flatiron dump\n");
190 	for (i = 0; i < 0x24; i++) {
191 		dprintk(1, "FI[%02x] = %02x\n", i,
192 			cx23885_flatiron_read(dev, i));
193 	}
194 }
195 
196 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
197 {
198 	u8 val;
199 	dprintk(1, "%s(input = %d)\n", __func__, input);
200 
201 	if (input == 1)
202 		val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
203 	else if (input == 2)
204 		val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
205 	else
206 		return -EINVAL;
207 
208 	val |= 0x20; /* Enable clock to delta-sigma and dec filter */
209 
210 	cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
211 
212 	/* Wake up */
213 	cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
214 
215 	if (video_debug)
216 		cx23885_flatiron_dump(dev);
217 
218 	return 0;
219 }
220 
221 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
222 {
223 	dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
224 		__func__,
225 		input, INPUT(input)->vmux,
226 		INPUT(input)->gpio0, INPUT(input)->gpio1,
227 		INPUT(input)->gpio2, INPUT(input)->gpio3);
228 	dev->input = input;
229 
230 	if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
231 		dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
232 		dev->board == CX23885_BOARD_MYGICA_X8507) {
233 		/* Select Analog TV */
234 		if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
235 			cx23885_gpio_clear(dev, GPIO_0);
236 	}
237 
238 	/* Tell the internal A/V decoder */
239 	v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
240 			INPUT(input)->vmux, 0, 0);
241 
242 	if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
243 		(dev->board == CX23885_BOARD_MPX885) ||
244 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
245 		(dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
246 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
247 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
248 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
249 		(dev->board == CX23885_BOARD_MYGICA_X8507) ||
250 		(dev->board == CX23885_BOARD_AVERMEDIA_HC81R)) {
251 		/* Configure audio routing */
252 		v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
253 			INPUT(input)->amux, 0, 0);
254 
255 		if (INPUT(input)->amux == CX25840_AUDIO7)
256 			cx23885_flatiron_mux(dev, 1);
257 		else if (INPUT(input)->amux == CX25840_AUDIO6)
258 			cx23885_flatiron_mux(dev, 2);
259 	}
260 
261 	return 0;
262 }
263 
264 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
265 {
266 	dprintk(1, "%s(input=%d)\n", __func__, input);
267 
268 	/* The baseband video core of the cx23885 has two audio inputs.
269 	 * LR1 and LR2. In almost every single case so far only HVR1xxx
270 	 * cards we've only ever supported LR1. Time to support LR2,
271 	 * which is available via the optional white breakout header on
272 	 * the board.
273 	 * We'll use a could of existing enums in the card struct to allow
274 	 * devs to specify which baseband input they need, or just default
275 	 * to what we've always used.
276 	 */
277 	if (INPUT(input)->amux == CX25840_AUDIO7)
278 		cx23885_flatiron_mux(dev, 1);
279 	else if (INPUT(input)->amux == CX25840_AUDIO6)
280 		cx23885_flatiron_mux(dev, 2);
281 	else {
282 		/* Not specifically defined, assume the default. */
283 		cx23885_flatiron_mux(dev, 1);
284 	}
285 
286 	return 0;
287 }
288 
289 /* ------------------------------------------------------------------ */
290 static int cx23885_start_video_dma(struct cx23885_dev *dev,
291 			   struct cx23885_dmaqueue *q,
292 			   struct cx23885_buffer *buf)
293 {
294 	dprintk(1, "%s()\n", __func__);
295 
296 	/* Stop the dma/fifo before we tamper with it's risc programs */
297 	cx_clear(VID_A_DMA_CTL, 0x11);
298 
299 	/* setup fifo + format */
300 	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
301 				buf->bpl, buf->risc.dma);
302 
303 	/* reset counter */
304 	cx_write(VID_A_GPCNT_CTL, 3);
305 	q->count = 0;
306 
307 	/* enable irq */
308 	cx23885_irq_add_enable(dev, 0x01);
309 	cx_set(VID_A_INT_MSK, 0x000011);
310 
311 	/* start dma */
312 	cx_set(DEV_CNTRL2, (1<<5));
313 	cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
314 
315 	return 0;
316 }
317 
318 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
319 			   unsigned int *num_buffers, unsigned int *num_planes,
320 			   unsigned int sizes[], void *alloc_ctxs[])
321 {
322 	struct cx23885_dev *dev = q->drv_priv;
323 
324 	*num_planes = 1;
325 	sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
326 	alloc_ctxs[0] = dev->alloc_ctx;
327 	return 0;
328 }
329 
330 static int buffer_prepare(struct vb2_buffer *vb)
331 {
332 	struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
333 	struct cx23885_buffer *buf =
334 		container_of(vb, struct cx23885_buffer, vb);
335 	u32 line0_offset, line1_offset;
336 	struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
337 	int field_tff;
338 
339 	buf->bpl = (dev->width * dev->fmt->depth) >> 3;
340 
341 	if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
342 		return -EINVAL;
343 	vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
344 
345 	switch (dev->field) {
346 	case V4L2_FIELD_TOP:
347 		cx23885_risc_buffer(dev->pci, &buf->risc,
348 				sgt->sgl, 0, UNSET,
349 				buf->bpl, 0, dev->height);
350 		break;
351 	case V4L2_FIELD_BOTTOM:
352 		cx23885_risc_buffer(dev->pci, &buf->risc,
353 				sgt->sgl, UNSET, 0,
354 				buf->bpl, 0, dev->height);
355 		break;
356 	case V4L2_FIELD_INTERLACED:
357 		if (dev->tvnorm & V4L2_STD_525_60)
358 			/* NTSC or  */
359 			field_tff = 1;
360 		else
361 			field_tff = 0;
362 
363 		if (cx23885_boards[dev->board].force_bff)
364 			/* PAL / SECAM OR 888 in NTSC MODE */
365 			field_tff = 0;
366 
367 		if (field_tff) {
368 			/* cx25840 transmits NTSC bottom field first */
369 			dprintk(1, "%s() Creating TFF/NTSC risc\n",
370 					__func__);
371 			line0_offset = buf->bpl;
372 			line1_offset = 0;
373 		} else {
374 			/* All other formats are top field first */
375 			dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
376 					__func__);
377 			line0_offset = 0;
378 			line1_offset = buf->bpl;
379 		}
380 		cx23885_risc_buffer(dev->pci, &buf->risc,
381 				sgt->sgl, line0_offset,
382 				line1_offset,
383 				buf->bpl, buf->bpl,
384 				dev->height >> 1);
385 		break;
386 	case V4L2_FIELD_SEQ_TB:
387 		cx23885_risc_buffer(dev->pci, &buf->risc,
388 				sgt->sgl,
389 				0, buf->bpl * (dev->height >> 1),
390 				buf->bpl, 0,
391 				dev->height >> 1);
392 		break;
393 	case V4L2_FIELD_SEQ_BT:
394 		cx23885_risc_buffer(dev->pci, &buf->risc,
395 				sgt->sgl,
396 				buf->bpl * (dev->height >> 1), 0,
397 				buf->bpl, 0,
398 				dev->height >> 1);
399 		break;
400 	default:
401 		BUG();
402 	}
403 	dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
404 		buf, buf->vb.v4l2_buf.index,
405 		dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
406 		(unsigned long)buf->risc.dma);
407 	return 0;
408 }
409 
410 static void buffer_finish(struct vb2_buffer *vb)
411 {
412 	struct cx23885_buffer *buf = container_of(vb,
413 		struct cx23885_buffer, vb);
414 
415 	cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
416 }
417 
418 /*
419  * The risc program for each buffer works as follows: it starts with a simple
420  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
421  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
422  * the initial JUMP).
423  *
424  * This is the risc program of the first buffer to be queued if the active list
425  * is empty and it just keeps DMAing this buffer without generating any
426  * interrupts.
427  *
428  * If a new buffer is added then the initial JUMP in the code for that buffer
429  * will generate an interrupt which signals that the previous buffer has been
430  * DMAed successfully and that it can be returned to userspace.
431  *
432  * It also sets the final jump of the previous buffer to the start of the new
433  * buffer, thus chaining the new buffer into the DMA chain. This is a single
434  * atomic u32 write, so there is no race condition.
435  *
436  * The end-result of all this that you only get an interrupt when a buffer
437  * is ready, so the control flow is very easy.
438  */
439 static void buffer_queue(struct vb2_buffer *vb)
440 {
441 	struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
442 	struct cx23885_buffer   *buf = container_of(vb,
443 		struct cx23885_buffer, vb);
444 	struct cx23885_buffer   *prev;
445 	struct cx23885_dmaqueue *q    = &dev->vidq;
446 	unsigned long flags;
447 
448 	/* add jump to start */
449 	buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
450 	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
451 	buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
452 	buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
453 
454 	spin_lock_irqsave(&dev->slock, flags);
455 	if (list_empty(&q->active)) {
456 		list_add_tail(&buf->queue, &q->active);
457 		dprintk(2, "[%p/%d] buffer_queue - first active\n",
458 			buf, buf->vb.v4l2_buf.index);
459 	} else {
460 		buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
461 		prev = list_entry(q->active.prev, struct cx23885_buffer,
462 			queue);
463 		list_add_tail(&buf->queue, &q->active);
464 		prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
465 		dprintk(2, "[%p/%d] buffer_queue - append to active\n",
466 				buf, buf->vb.v4l2_buf.index);
467 	}
468 	spin_unlock_irqrestore(&dev->slock, flags);
469 }
470 
471 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
472 {
473 	struct cx23885_dev *dev = q->drv_priv;
474 	struct cx23885_dmaqueue *dmaq = &dev->vidq;
475 	struct cx23885_buffer *buf = list_entry(dmaq->active.next,
476 			struct cx23885_buffer, queue);
477 
478 	cx23885_start_video_dma(dev, dmaq, buf);
479 	return 0;
480 }
481 
482 static void cx23885_stop_streaming(struct vb2_queue *q)
483 {
484 	struct cx23885_dev *dev = q->drv_priv;
485 	struct cx23885_dmaqueue *dmaq = &dev->vidq;
486 	unsigned long flags;
487 
488 	cx_clear(VID_A_DMA_CTL, 0x11);
489 	spin_lock_irqsave(&dev->slock, flags);
490 	while (!list_empty(&dmaq->active)) {
491 		struct cx23885_buffer *buf = list_entry(dmaq->active.next,
492 			struct cx23885_buffer, queue);
493 
494 		list_del(&buf->queue);
495 		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
496 	}
497 	spin_unlock_irqrestore(&dev->slock, flags);
498 }
499 
500 static struct vb2_ops cx23885_video_qops = {
501 	.queue_setup    = queue_setup,
502 	.buf_prepare  = buffer_prepare,
503 	.buf_finish = buffer_finish,
504 	.buf_queue    = buffer_queue,
505 	.wait_prepare = vb2_ops_wait_prepare,
506 	.wait_finish = vb2_ops_wait_finish,
507 	.start_streaming = cx23885_start_streaming,
508 	.stop_streaming = cx23885_stop_streaming,
509 };
510 
511 /* ------------------------------------------------------------------ */
512 /* VIDEO IOCTLS                                                       */
513 
514 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
515 	struct v4l2_format *f)
516 {
517 	struct cx23885_dev *dev = video_drvdata(file);
518 
519 	f->fmt.pix.width        = dev->width;
520 	f->fmt.pix.height       = dev->height;
521 	f->fmt.pix.field        = dev->field;
522 	f->fmt.pix.pixelformat  = dev->fmt->fourcc;
523 	f->fmt.pix.bytesperline =
524 		(f->fmt.pix.width * dev->fmt->depth) >> 3;
525 	f->fmt.pix.sizeimage =
526 		f->fmt.pix.height * f->fmt.pix.bytesperline;
527 	f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
528 
529 	return 0;
530 }
531 
532 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
533 	struct v4l2_format *f)
534 {
535 	struct cx23885_dev *dev = video_drvdata(file);
536 	struct cx23885_fmt *fmt;
537 	enum v4l2_field   field;
538 	unsigned int      maxw, maxh;
539 
540 	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
541 	if (NULL == fmt)
542 		return -EINVAL;
543 
544 	field = f->fmt.pix.field;
545 	maxw  = norm_maxw(dev->tvnorm);
546 	maxh  = norm_maxh(dev->tvnorm);
547 
548 	if (V4L2_FIELD_ANY == field) {
549 		field = (f->fmt.pix.height > maxh/2)
550 			? V4L2_FIELD_INTERLACED
551 			: V4L2_FIELD_BOTTOM;
552 	}
553 
554 	switch (field) {
555 	case V4L2_FIELD_TOP:
556 	case V4L2_FIELD_BOTTOM:
557 		maxh = maxh / 2;
558 		break;
559 	case V4L2_FIELD_INTERLACED:
560 	case V4L2_FIELD_SEQ_TB:
561 	case V4L2_FIELD_SEQ_BT:
562 		break;
563 	default:
564 		field = V4L2_FIELD_INTERLACED;
565 		break;
566 	}
567 
568 	f->fmt.pix.field = field;
569 	v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
570 			      &f->fmt.pix.height, 32, maxh, 0, 0);
571 	f->fmt.pix.bytesperline =
572 		(f->fmt.pix.width * fmt->depth) >> 3;
573 	f->fmt.pix.sizeimage =
574 		f->fmt.pix.height * f->fmt.pix.bytesperline;
575 	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
576 
577 	return 0;
578 }
579 
580 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
581 	struct v4l2_format *f)
582 {
583 	struct cx23885_dev *dev = video_drvdata(file);
584 	struct v4l2_subdev_format format = {
585 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
586 	};
587 	int err;
588 
589 	dprintk(2, "%s()\n", __func__);
590 	err = vidioc_try_fmt_vid_cap(file, priv, f);
591 
592 	if (0 != err)
593 		return err;
594 
595 	if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
596 	    vb2_is_busy(&dev->vb2_mpegq))
597 		return -EBUSY;
598 
599 	dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
600 	dev->width      = f->fmt.pix.width;
601 	dev->height     = f->fmt.pix.height;
602 	dev->field	= f->fmt.pix.field;
603 	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
604 		dev->width, dev->height, dev->field);
605 	v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
606 	call_all(dev, pad, set_fmt, NULL, &format);
607 	v4l2_fill_pix_format(&f->fmt.pix, &format.format);
608 	/* set_fmt overwrites f->fmt.pix.field, restore it */
609 	f->fmt.pix.field = dev->field;
610 	return 0;
611 }
612 
613 static int vidioc_querycap(struct file *file, void  *priv,
614 	struct v4l2_capability *cap)
615 {
616 	struct cx23885_dev *dev = video_drvdata(file);
617 	struct video_device *vdev = video_devdata(file);
618 
619 	strcpy(cap->driver, "cx23885");
620 	strlcpy(cap->card, cx23885_boards[dev->board].name,
621 		sizeof(cap->card));
622 	sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
623 	cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO;
624 	if (dev->tuner_type != TUNER_ABSENT)
625 		cap->device_caps |= V4L2_CAP_TUNER;
626 	if (vdev->vfl_type == VFL_TYPE_VBI)
627 		cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
628 	else
629 		cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
630 	cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
631 		V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS;
632 	return 0;
633 }
634 
635 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
636 	struct v4l2_fmtdesc *f)
637 {
638 	if (unlikely(f->index >= ARRAY_SIZE(formats)))
639 		return -EINVAL;
640 
641 	strlcpy(f->description, formats[f->index].name,
642 		sizeof(f->description));
643 	f->pixelformat = formats[f->index].fourcc;
644 
645 	return 0;
646 }
647 
648 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
649 {
650 	struct cx23885_dev *dev = video_drvdata(file);
651 	dprintk(1, "%s()\n", __func__);
652 
653 	*id = dev->tvnorm;
654 	return 0;
655 }
656 
657 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
658 {
659 	struct cx23885_dev *dev = video_drvdata(file);
660 	dprintk(1, "%s()\n", __func__);
661 
662 	return cx23885_set_tvnorm(dev, tvnorms);
663 }
664 
665 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
666 {
667 	static const char *iname[] = {
668 		[CX23885_VMUX_COMPOSITE1] = "Composite1",
669 		[CX23885_VMUX_COMPOSITE2] = "Composite2",
670 		[CX23885_VMUX_COMPOSITE3] = "Composite3",
671 		[CX23885_VMUX_COMPOSITE4] = "Composite4",
672 		[CX23885_VMUX_SVIDEO]     = "S-Video",
673 		[CX23885_VMUX_COMPONENT]  = "Component",
674 		[CX23885_VMUX_TELEVISION] = "Television",
675 		[CX23885_VMUX_CABLE]      = "Cable TV",
676 		[CX23885_VMUX_DVB]        = "DVB",
677 		[CX23885_VMUX_DEBUG]      = "for debug only",
678 	};
679 	unsigned int n;
680 	dprintk(1, "%s()\n", __func__);
681 
682 	n = i->index;
683 	if (n >= MAX_CX23885_INPUT)
684 		return -EINVAL;
685 
686 	if (0 == INPUT(n)->type)
687 		return -EINVAL;
688 
689 	i->index = n;
690 	i->type  = V4L2_INPUT_TYPE_CAMERA;
691 	strcpy(i->name, iname[INPUT(n)->type]);
692 	i->std = CX23885_NORMS;
693 	if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
694 		(CX23885_VMUX_CABLE == INPUT(n)->type)) {
695 		i->type = V4L2_INPUT_TYPE_TUNER;
696 		i->audioset = 4;
697 	} else {
698 		/* Two selectable audio inputs for non-tv inputs */
699 		i->audioset = 3;
700 	}
701 
702 	if (dev->input == n) {
703 		/* enum'd input matches our configured input.
704 		 * Ask the video decoder to process the call
705 		 * and give it an oppertunity to update the
706 		 * status field.
707 		 */
708 		call_all(dev, video, g_input_status, &i->status);
709 	}
710 
711 	return 0;
712 }
713 
714 static int vidioc_enum_input(struct file *file, void *priv,
715 				struct v4l2_input *i)
716 {
717 	struct cx23885_dev *dev = video_drvdata(file);
718 	dprintk(1, "%s()\n", __func__);
719 	return cx23885_enum_input(dev, i);
720 }
721 
722 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
723 {
724 	struct cx23885_dev *dev = video_drvdata(file);
725 
726 	*i = dev->input;
727 	dprintk(1, "%s() returns %d\n", __func__, *i);
728 	return 0;
729 }
730 
731 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
732 {
733 	return cx23885_get_input(file, priv, i);
734 }
735 
736 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
737 {
738 	struct cx23885_dev *dev = video_drvdata(file);
739 
740 	dprintk(1, "%s(%d)\n", __func__, i);
741 
742 	if (i >= MAX_CX23885_INPUT) {
743 		dprintk(1, "%s() -EINVAL\n", __func__);
744 		return -EINVAL;
745 	}
746 
747 	if (INPUT(i)->type == 0)
748 		return -EINVAL;
749 
750 	cx23885_video_mux(dev, i);
751 
752 	/* By default establish the default audio input for the card also */
753 	/* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
754 	cx23885_audio_mux(dev, i);
755 	return 0;
756 }
757 
758 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
759 {
760 	return cx23885_set_input(file, priv, i);
761 }
762 
763 static int vidioc_log_status(struct file *file, void *priv)
764 {
765 	struct cx23885_dev *dev = video_drvdata(file);
766 
767 	call_all(dev, core, log_status);
768 	return 0;
769 }
770 
771 static int cx23885_query_audinput(struct file *file, void *priv,
772 	struct v4l2_audio *i)
773 {
774 	struct cx23885_dev *dev = video_drvdata(file);
775 	static const char *iname[] = {
776 		[0] = "Baseband L/R 1",
777 		[1] = "Baseband L/R 2",
778 		[2] = "TV",
779 	};
780 	unsigned int n;
781 	dprintk(1, "%s()\n", __func__);
782 
783 	n = i->index;
784 	if (n >= 3)
785 		return -EINVAL;
786 
787 	memset(i, 0, sizeof(*i));
788 	i->index = n;
789 	strcpy(i->name, iname[n]);
790 	i->capability = V4L2_AUDCAP_STEREO;
791 	return 0;
792 
793 }
794 
795 static int vidioc_enum_audinput(struct file *file, void *priv,
796 				struct v4l2_audio *i)
797 {
798 	return cx23885_query_audinput(file, priv, i);
799 }
800 
801 static int vidioc_g_audinput(struct file *file, void *priv,
802 	struct v4l2_audio *i)
803 {
804 	struct cx23885_dev *dev = video_drvdata(file);
805 
806 	if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
807 		(CX23885_VMUX_CABLE == INPUT(dev->input)->type))
808 		i->index = 2;
809 	else
810 		i->index = dev->audinput;
811 	dprintk(1, "%s(input=%d)\n", __func__, i->index);
812 
813 	return cx23885_query_audinput(file, priv, i);
814 }
815 
816 static int vidioc_s_audinput(struct file *file, void *priv,
817 	const struct v4l2_audio *i)
818 {
819 	struct cx23885_dev *dev = video_drvdata(file);
820 
821 	if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
822 		(CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
823 		return i->index != 2 ? -EINVAL : 0;
824 	}
825 	if (i->index > 1)
826 		return -EINVAL;
827 
828 	dprintk(1, "%s(%d)\n", __func__, i->index);
829 
830 	dev->audinput = i->index;
831 
832 	/* Skip the audio defaults from the cards struct, caller wants
833 	 * directly touch the audio mux hardware. */
834 	cx23885_flatiron_mux(dev, dev->audinput + 1);
835 	return 0;
836 }
837 
838 static int vidioc_g_tuner(struct file *file, void *priv,
839 				struct v4l2_tuner *t)
840 {
841 	struct cx23885_dev *dev = video_drvdata(file);
842 
843 	if (dev->tuner_type == TUNER_ABSENT)
844 		return -EINVAL;
845 	if (0 != t->index)
846 		return -EINVAL;
847 
848 	strcpy(t->name, "Television");
849 
850 	call_all(dev, tuner, g_tuner, t);
851 	return 0;
852 }
853 
854 static int vidioc_s_tuner(struct file *file, void *priv,
855 				const struct v4l2_tuner *t)
856 {
857 	struct cx23885_dev *dev = video_drvdata(file);
858 
859 	if (dev->tuner_type == TUNER_ABSENT)
860 		return -EINVAL;
861 	if (0 != t->index)
862 		return -EINVAL;
863 	/* Update the A/V core */
864 	call_all(dev, tuner, s_tuner, t);
865 
866 	return 0;
867 }
868 
869 static int vidioc_g_frequency(struct file *file, void *priv,
870 				struct v4l2_frequency *f)
871 {
872 	struct cx23885_dev *dev = video_drvdata(file);
873 
874 	if (dev->tuner_type == TUNER_ABSENT)
875 		return -EINVAL;
876 
877 	f->type = V4L2_TUNER_ANALOG_TV;
878 	f->frequency = dev->freq;
879 
880 	call_all(dev, tuner, g_frequency, f);
881 
882 	return 0;
883 }
884 
885 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
886 {
887 	struct v4l2_ctrl *mute;
888 	int old_mute_val = 1;
889 
890 	if (dev->tuner_type == TUNER_ABSENT)
891 		return -EINVAL;
892 	if (unlikely(f->tuner != 0))
893 		return -EINVAL;
894 
895 	dev->freq = f->frequency;
896 
897 	/* I need to mute audio here */
898 	mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
899 	if (mute) {
900 		old_mute_val = v4l2_ctrl_g_ctrl(mute);
901 		if (!old_mute_val)
902 			v4l2_ctrl_s_ctrl(mute, 1);
903 	}
904 
905 	call_all(dev, tuner, s_frequency, f);
906 
907 	/* When changing channels it is required to reset TVAUDIO */
908 	msleep(100);
909 
910 	/* I need to unmute audio here */
911 	if (old_mute_val == 0)
912 		v4l2_ctrl_s_ctrl(mute, old_mute_val);
913 
914 	return 0;
915 }
916 
917 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
918 	const struct v4l2_frequency *f)
919 {
920 	struct v4l2_ctrl *mute;
921 	int old_mute_val = 1;
922 	struct vb2_dvb_frontend *vfe;
923 	struct dvb_frontend *fe;
924 
925 	struct analog_parameters params = {
926 		.mode      = V4L2_TUNER_ANALOG_TV,
927 		.audmode   = V4L2_TUNER_MODE_STEREO,
928 		.std       = dev->tvnorm,
929 		.frequency = f->frequency
930 	};
931 
932 	dev->freq = f->frequency;
933 
934 	/* I need to mute audio here */
935 	mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
936 	if (mute) {
937 		old_mute_val = v4l2_ctrl_g_ctrl(mute);
938 		if (!old_mute_val)
939 			v4l2_ctrl_s_ctrl(mute, 1);
940 	}
941 
942 	/* If HVR1850 */
943 	dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
944 		params.frequency, f->tuner, params.std);
945 
946 	vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
947 	if (!vfe) {
948 		return -EINVAL;
949 	}
950 
951 	fe = vfe->dvb.frontend;
952 
953 	if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
954 	    (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
955 	    (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
956 		fe = &dev->ts1.analog_fe;
957 
958 	if (fe && fe->ops.tuner_ops.set_analog_params) {
959 		call_all(dev, video, s_std, dev->tvnorm);
960 		fe->ops.tuner_ops.set_analog_params(fe, &params);
961 	}
962 	else
963 		printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
964 
965 	/* When changing channels it is required to reset TVAUDIO */
966 	msleep(100);
967 
968 	/* I need to unmute audio here */
969 	if (old_mute_val == 0)
970 		v4l2_ctrl_s_ctrl(mute, old_mute_val);
971 
972 	return 0;
973 }
974 
975 int cx23885_set_frequency(struct file *file, void *priv,
976 	const struct v4l2_frequency *f)
977 {
978 	struct cx23885_dev *dev = video_drvdata(file);
979 	int ret;
980 
981 	switch (dev->board) {
982 	case CX23885_BOARD_HAUPPAUGE_HVR1255:
983 	case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
984 	case CX23885_BOARD_HAUPPAUGE_HVR1850:
985 		ret = cx23885_set_freq_via_ops(dev, f);
986 		break;
987 	default:
988 		ret = cx23885_set_freq(dev, f);
989 	}
990 
991 	return ret;
992 }
993 
994 static int vidioc_s_frequency(struct file *file, void *priv,
995 	const struct v4l2_frequency *f)
996 {
997 	return cx23885_set_frequency(file, priv, f);
998 }
999 
1000 /* ----------------------------------------------------------- */
1001 
1002 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1003 {
1004 	u32 mask, count;
1005 	int handled = 0;
1006 
1007 	mask   = cx_read(VID_A_INT_MSK);
1008 	if (0 == (status & mask))
1009 		return handled;
1010 
1011 	cx_write(VID_A_INT_STAT, status);
1012 
1013 	/* risc op code error, fifo overflow or line sync detection error */
1014 	if ((status & VID_BC_MSK_OPC_ERR) ||
1015 		(status & VID_BC_MSK_SYNC) ||
1016 		(status & VID_BC_MSK_OF)) {
1017 
1018 		if (status & VID_BC_MSK_OPC_ERR) {
1019 			dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1020 				VID_BC_MSK_OPC_ERR);
1021 			printk(KERN_WARNING "%s: video risc op code error\n",
1022 				dev->name);
1023 			cx23885_sram_channel_dump(dev,
1024 				&dev->sram_channels[SRAM_CH01]);
1025 		}
1026 
1027 		if (status & VID_BC_MSK_SYNC)
1028 			dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1029 				"video lines miss-match\n",
1030 				VID_BC_MSK_SYNC);
1031 
1032 		if (status & VID_BC_MSK_OF)
1033 			dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1034 				VID_BC_MSK_OF);
1035 
1036 	}
1037 
1038 	/* Video */
1039 	if (status & VID_BC_MSK_RISCI1) {
1040 		spin_lock(&dev->slock);
1041 		count = cx_read(VID_A_GPCNT);
1042 		cx23885_video_wakeup(dev, &dev->vidq, count);
1043 		spin_unlock(&dev->slock);
1044 		handled++;
1045 	}
1046 
1047 	/* Allow the VBI framework to process it's payload */
1048 	handled += cx23885_vbi_irq(dev, status);
1049 
1050 	return handled;
1051 }
1052 
1053 /* ----------------------------------------------------------- */
1054 /* exported stuff                                              */
1055 
1056 static const struct v4l2_file_operations video_fops = {
1057 	.owner	       = THIS_MODULE,
1058 	.open           = v4l2_fh_open,
1059 	.release        = vb2_fop_release,
1060 	.read           = vb2_fop_read,
1061 	.poll		= vb2_fop_poll,
1062 	.unlocked_ioctl = video_ioctl2,
1063 	.mmap           = vb2_fop_mmap,
1064 };
1065 
1066 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1067 	.vidioc_querycap      = vidioc_querycap,
1068 	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1069 	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1070 	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1071 	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1072 	.vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1073 	.vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1074 	.vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1075 	.vidioc_reqbufs       = vb2_ioctl_reqbufs,
1076 	.vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1077 	.vidioc_querybuf      = vb2_ioctl_querybuf,
1078 	.vidioc_qbuf          = vb2_ioctl_qbuf,
1079 	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
1080 	.vidioc_streamon      = vb2_ioctl_streamon,
1081 	.vidioc_streamoff     = vb2_ioctl_streamoff,
1082 	.vidioc_s_std         = vidioc_s_std,
1083 	.vidioc_g_std         = vidioc_g_std,
1084 	.vidioc_enum_input    = vidioc_enum_input,
1085 	.vidioc_g_input       = vidioc_g_input,
1086 	.vidioc_s_input       = vidioc_s_input,
1087 	.vidioc_log_status    = vidioc_log_status,
1088 	.vidioc_g_tuner       = vidioc_g_tuner,
1089 	.vidioc_s_tuner       = vidioc_s_tuner,
1090 	.vidioc_g_frequency   = vidioc_g_frequency,
1091 	.vidioc_s_frequency   = vidioc_s_frequency,
1092 #ifdef CONFIG_VIDEO_ADV_DEBUG
1093 	.vidioc_g_chip_info   = cx23885_g_chip_info,
1094 	.vidioc_g_register    = cx23885_g_register,
1095 	.vidioc_s_register    = cx23885_s_register,
1096 #endif
1097 	.vidioc_enumaudio     = vidioc_enum_audinput,
1098 	.vidioc_g_audio       = vidioc_g_audinput,
1099 	.vidioc_s_audio       = vidioc_s_audinput,
1100 	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1101 	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1102 };
1103 
1104 static struct video_device cx23885_vbi_template;
1105 static struct video_device cx23885_video_template = {
1106 	.name                 = "cx23885-video",
1107 	.fops                 = &video_fops,
1108 	.ioctl_ops 	      = &video_ioctl_ops,
1109 	.tvnorms              = CX23885_NORMS,
1110 };
1111 
1112 void cx23885_video_unregister(struct cx23885_dev *dev)
1113 {
1114 	dprintk(1, "%s()\n", __func__);
1115 	cx23885_irq_remove(dev, 0x01);
1116 
1117 	if (dev->vbi_dev) {
1118 		if (video_is_registered(dev->vbi_dev))
1119 			video_unregister_device(dev->vbi_dev);
1120 		else
1121 			video_device_release(dev->vbi_dev);
1122 		dev->vbi_dev = NULL;
1123 	}
1124 	if (dev->video_dev) {
1125 		if (video_is_registered(dev->video_dev))
1126 			video_unregister_device(dev->video_dev);
1127 		else
1128 			video_device_release(dev->video_dev);
1129 		dev->video_dev = NULL;
1130 	}
1131 
1132 	if (dev->audio_dev)
1133 		cx23885_audio_unregister(dev);
1134 }
1135 
1136 int cx23885_video_register(struct cx23885_dev *dev)
1137 {
1138 	struct vb2_queue *q;
1139 	int err;
1140 
1141 	dprintk(1, "%s()\n", __func__);
1142 
1143 	/* Initialize VBI template */
1144 	cx23885_vbi_template = cx23885_video_template;
1145 	strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1146 
1147 	dev->tvnorm = V4L2_STD_NTSC_M;
1148 	dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1149 	dev->field = V4L2_FIELD_INTERLACED;
1150 	dev->width = 720;
1151 	dev->height = norm_maxh(dev->tvnorm);
1152 
1153 	/* init video dma queues */
1154 	INIT_LIST_HEAD(&dev->vidq.active);
1155 
1156 	/* init vbi dma queues */
1157 	INIT_LIST_HEAD(&dev->vbiq.active);
1158 
1159 	cx23885_irq_add_enable(dev, 0x01);
1160 
1161 	if ((TUNER_ABSENT != dev->tuner_type) &&
1162 			((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1163 		struct v4l2_subdev *sd = NULL;
1164 
1165 		if (dev->tuner_addr)
1166 			sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1167 				&dev->i2c_bus[dev->tuner_bus].i2c_adap,
1168 				"tuner", dev->tuner_addr, NULL);
1169 		else
1170 			sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1171 				&dev->i2c_bus[dev->tuner_bus].i2c_adap,
1172 				"tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1173 		if (sd) {
1174 			struct tuner_setup tun_setup;
1175 
1176 			memset(&tun_setup, 0, sizeof(tun_setup));
1177 			tun_setup.mode_mask = T_ANALOG_TV;
1178 			tun_setup.type = dev->tuner_type;
1179 			tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1180 			tun_setup.tuner_callback = cx23885_tuner_callback;
1181 
1182 			v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1183 
1184 			if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1185 			    (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1186 				struct xc2028_ctrl ctrl = {
1187 					.fname = XC2028_DEFAULT_FIRMWARE,
1188 					.max_len = 64
1189 				};
1190 				struct v4l2_priv_tun_config cfg = {
1191 					.tuner = dev->tuner_type,
1192 					.priv = &ctrl
1193 				};
1194 				v4l2_subdev_call(sd, tuner, s_config, &cfg);
1195 			}
1196 
1197 			if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1198 				struct xc2028_ctrl ctrl = {
1199 					.fname = "xc3028L-v36.fw",
1200 					.max_len = 64
1201 				};
1202 				struct v4l2_priv_tun_config cfg = {
1203 					.tuner = dev->tuner_type,
1204 					.priv = &ctrl
1205 				};
1206 				v4l2_subdev_call(sd, tuner, s_config, &cfg);
1207 			}
1208 		}
1209 	}
1210 
1211 	/* initial device configuration */
1212 	mutex_lock(&dev->lock);
1213 	cx23885_set_tvnorm(dev, dev->tvnorm);
1214 	cx23885_video_mux(dev, 0);
1215 	cx23885_audio_mux(dev, 0);
1216 	mutex_unlock(&dev->lock);
1217 
1218 	q = &dev->vb2_vidq;
1219 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1220 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1221 	q->gfp_flags = GFP_DMA32;
1222 	q->min_buffers_needed = 2;
1223 	q->drv_priv = dev;
1224 	q->buf_struct_size = sizeof(struct cx23885_buffer);
1225 	q->ops = &cx23885_video_qops;
1226 	q->mem_ops = &vb2_dma_sg_memops;
1227 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1228 	q->lock = &dev->lock;
1229 
1230 	err = vb2_queue_init(q);
1231 	if (err < 0)
1232 		goto fail_unreg;
1233 
1234 	q = &dev->vb2_vbiq;
1235 	q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1236 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1237 	q->gfp_flags = GFP_DMA32;
1238 	q->min_buffers_needed = 2;
1239 	q->drv_priv = dev;
1240 	q->buf_struct_size = sizeof(struct cx23885_buffer);
1241 	q->ops = &cx23885_vbi_qops;
1242 	q->mem_ops = &vb2_dma_sg_memops;
1243 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1244 	q->lock = &dev->lock;
1245 
1246 	err = vb2_queue_init(q);
1247 	if (err < 0)
1248 		goto fail_unreg;
1249 
1250 	/* register Video device */
1251 	dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1252 		&cx23885_video_template, "video");
1253 	dev->video_dev->queue = &dev->vb2_vidq;
1254 	err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1255 				    video_nr[dev->nr]);
1256 	if (err < 0) {
1257 		printk(KERN_INFO "%s: can't register video device\n",
1258 			dev->name);
1259 		goto fail_unreg;
1260 	}
1261 	printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1262 	       dev->name, video_device_node_name(dev->video_dev));
1263 
1264 	/* register VBI device */
1265 	dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1266 		&cx23885_vbi_template, "vbi");
1267 	dev->vbi_dev->queue = &dev->vb2_vbiq;
1268 	err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1269 				    vbi_nr[dev->nr]);
1270 	if (err < 0) {
1271 		printk(KERN_INFO "%s: can't register vbi device\n",
1272 			dev->name);
1273 		goto fail_unreg;
1274 	}
1275 	printk(KERN_INFO "%s: registered device %s\n",
1276 	       dev->name, video_device_node_name(dev->vbi_dev));
1277 
1278 	/* Register ALSA audio device */
1279 	dev->audio_dev = cx23885_audio_register(dev);
1280 
1281 	return 0;
1282 
1283 fail_unreg:
1284 	cx23885_video_unregister(dev);
1285 	return err;
1286 }
1287