xref: /linux/drivers/media/pci/cx23885/cx23885-video.c (revision 17cfcb68af3bc7d5e8ae08779b1853310a2949f3)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Driver for the Conexant CX23885 PCIe bridge
4  *
5  *  Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
6  */
7 
8 #include "cx23885.h"
9 #include "cx23885-video.h"
10 
11 #include <linux/init.h>
12 #include <linux/list.h>
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/kmod.h>
16 #include <linux/kernel.h>
17 #include <linux/slab.h>
18 #include <linux/interrupt.h>
19 #include <linux/delay.h>
20 #include <linux/kthread.h>
21 #include <asm/div64.h>
22 
23 #include <media/v4l2-common.h>
24 #include <media/v4l2-ioctl.h>
25 #include <media/v4l2-event.h>
26 #include "cx23885-ioctl.h"
27 #include "tuner-xc2028.h"
28 
29 #include <media/drv-intf/cx25840.h>
30 
31 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
32 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
33 MODULE_LICENSE("GPL");
34 
35 /* ------------------------------------------------------------------ */
36 
37 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
38 static unsigned int vbi_nr[]   = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
39 
40 module_param_array(video_nr, int, NULL, 0444);
41 module_param_array(vbi_nr,   int, NULL, 0444);
42 
43 MODULE_PARM_DESC(video_nr, "video device numbers");
44 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
45 
46 static unsigned int video_debug;
47 module_param(video_debug, int, 0644);
48 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
49 
50 static unsigned int irq_debug;
51 module_param(irq_debug, int, 0644);
52 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
53 
54 static unsigned int vid_limit = 16;
55 module_param(vid_limit, int, 0644);
56 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
57 
58 #define dprintk(level, fmt, arg...)\
59 	do { if (video_debug >= level)\
60 		printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \
61 			__func__, ##arg); \
62 	} while (0)
63 
64 /* ------------------------------------------------------------------- */
65 /* static data                                                         */
66 
67 #define FORMAT_FLAGS_PACKED       0x01
68 static struct cx23885_fmt formats[] = {
69 	{
70 		.fourcc   = V4L2_PIX_FMT_YUYV,
71 		.depth    = 16,
72 		.flags    = FORMAT_FLAGS_PACKED,
73 	}
74 };
75 
76 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
77 {
78 	unsigned int i;
79 
80 	for (i = 0; i < ARRAY_SIZE(formats); i++)
81 		if (formats[i].fourcc == fourcc)
82 			return formats+i;
83 	return NULL;
84 }
85 
86 /* ------------------------------------------------------------------- */
87 
88 void cx23885_video_wakeup(struct cx23885_dev *dev,
89 	struct cx23885_dmaqueue *q, u32 count)
90 {
91 	struct cx23885_buffer *buf;
92 
93 	if (list_empty(&q->active))
94 		return;
95 	buf = list_entry(q->active.next,
96 			struct cx23885_buffer, queue);
97 
98 	buf->vb.sequence = q->count++;
99 	buf->vb.vb2_buf.timestamp = ktime_get_ns();
100 	dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
101 			buf->vb.vb2_buf.index, count, q->count);
102 	list_del(&buf->queue);
103 	vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
104 }
105 
106 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
107 {
108 	struct v4l2_subdev_format format = {
109 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
110 		.format.code = MEDIA_BUS_FMT_FIXED,
111 	};
112 
113 	dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
114 		__func__,
115 		(unsigned int)norm,
116 		v4l2_norm_to_name(norm));
117 
118 	if (dev->tvnorm == norm)
119 		return 0;
120 
121 	if (dev->tvnorm != norm) {
122 		if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
123 		    vb2_is_busy(&dev->vb2_mpegq))
124 			return -EBUSY;
125 	}
126 
127 	dev->tvnorm = norm;
128 	dev->width = 720;
129 	dev->height = norm_maxh(norm);
130 	dev->field = V4L2_FIELD_INTERLACED;
131 
132 	call_all(dev, video, s_std, norm);
133 
134 	format.format.width = dev->width;
135 	format.format.height = dev->height;
136 	format.format.field = dev->field;
137 	call_all(dev, pad, set_fmt, NULL, &format);
138 
139 	return 0;
140 }
141 
142 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
143 				    struct pci_dev *pci,
144 				    struct video_device *template,
145 				    char *type)
146 {
147 	struct video_device *vfd;
148 	dprintk(1, "%s()\n", __func__);
149 
150 	vfd = video_device_alloc();
151 	if (NULL == vfd)
152 		return NULL;
153 	*vfd = *template;
154 	vfd->v4l2_dev = &dev->v4l2_dev;
155 	vfd->release = video_device_release;
156 	vfd->lock = &dev->lock;
157 	snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
158 		 cx23885_boards[dev->board].name, type);
159 	video_set_drvdata(vfd, dev);
160 	return vfd;
161 }
162 
163 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
164 {
165 	/* 8 bit registers, 8 bit values */
166 	u8 buf[] = { reg, data };
167 
168 	struct i2c_msg msg = { .addr = 0x98 >> 1,
169 		.flags = 0, .buf = buf, .len = 2 };
170 
171 	return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
172 }
173 
174 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
175 {
176 	/* 8 bit registers, 8 bit values */
177 	int ret;
178 	u8 b0[] = { reg };
179 	u8 b1[] = { 0 };
180 
181 	struct i2c_msg msg[] = {
182 		{ .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
183 		{ .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
184 	};
185 
186 	ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
187 	if (ret != 2)
188 		pr_err("%s() error\n", __func__);
189 
190 	return b1[0];
191 }
192 
193 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
194 {
195 	int i;
196 	dprintk(1, "Flatiron dump\n");
197 	for (i = 0; i < 0x24; i++) {
198 		dprintk(1, "FI[%02x] = %02x\n", i,
199 			cx23885_flatiron_read(dev, i));
200 	}
201 }
202 
203 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
204 {
205 	u8 val;
206 	dprintk(1, "%s(input = %d)\n", __func__, input);
207 
208 	if (input == 1)
209 		val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
210 	else if (input == 2)
211 		val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
212 	else
213 		return -EINVAL;
214 
215 	val |= 0x20; /* Enable clock to delta-sigma and dec filter */
216 
217 	cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
218 
219 	/* Wake up */
220 	cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
221 
222 	if (video_debug)
223 		cx23885_flatiron_dump(dev);
224 
225 	return 0;
226 }
227 
228 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
229 {
230 	dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
231 		__func__,
232 		input, INPUT(input)->vmux,
233 		INPUT(input)->gpio0, INPUT(input)->gpio1,
234 		INPUT(input)->gpio2, INPUT(input)->gpio3);
235 	dev->input = input;
236 
237 	if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
238 		dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
239 		dev->board == CX23885_BOARD_MYGICA_X8507) {
240 		/* Select Analog TV */
241 		if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
242 			cx23885_gpio_clear(dev, GPIO_0);
243 	}
244 
245 	/* Tell the internal A/V decoder */
246 	v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
247 			INPUT(input)->vmux, 0, 0);
248 
249 	if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
250 		(dev->board == CX23885_BOARD_MPX885) ||
251 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
252 		(dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
253 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
254 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
255 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
256 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
257 		(dev->board == CX23885_BOARD_MYGICA_X8507) ||
258 		(dev->board == CX23885_BOARD_AVERMEDIA_HC81R) ||
259 		(dev->board == CX23885_BOARD_VIEWCAST_260E) ||
260 		(dev->board == CX23885_BOARD_VIEWCAST_460E)) {
261 		/* Configure audio routing */
262 		v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
263 			INPUT(input)->amux, 0, 0);
264 
265 		if (INPUT(input)->amux == CX25840_AUDIO7)
266 			cx23885_flatiron_mux(dev, 1);
267 		else if (INPUT(input)->amux == CX25840_AUDIO6)
268 			cx23885_flatiron_mux(dev, 2);
269 	}
270 
271 	return 0;
272 }
273 
274 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
275 {
276 	dprintk(1, "%s(input=%d)\n", __func__, input);
277 
278 	/* The baseband video core of the cx23885 has two audio inputs.
279 	 * LR1 and LR2. In almost every single case so far only HVR1xxx
280 	 * cards we've only ever supported LR1. Time to support LR2,
281 	 * which is available via the optional white breakout header on
282 	 * the board.
283 	 * We'll use a could of existing enums in the card struct to allow
284 	 * devs to specify which baseband input they need, or just default
285 	 * to what we've always used.
286 	 */
287 	if (INPUT(input)->amux == CX25840_AUDIO7)
288 		cx23885_flatiron_mux(dev, 1);
289 	else if (INPUT(input)->amux == CX25840_AUDIO6)
290 		cx23885_flatiron_mux(dev, 2);
291 	else {
292 		/* Not specifically defined, assume the default. */
293 		cx23885_flatiron_mux(dev, 1);
294 	}
295 
296 	return 0;
297 }
298 
299 /* ------------------------------------------------------------------ */
300 static int cx23885_start_video_dma(struct cx23885_dev *dev,
301 			   struct cx23885_dmaqueue *q,
302 			   struct cx23885_buffer *buf)
303 {
304 	dprintk(1, "%s()\n", __func__);
305 
306 	/* Stop the dma/fifo before we tamper with it's risc programs */
307 	cx_clear(VID_A_DMA_CTL, 0x11);
308 
309 	/* setup fifo + format */
310 	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
311 				buf->bpl, buf->risc.dma);
312 
313 	/* reset counter */
314 	cx_write(VID_A_GPCNT_CTL, 3);
315 	q->count = 0;
316 
317 	/* enable irq */
318 	cx23885_irq_add_enable(dev, 0x01);
319 	cx_set(VID_A_INT_MSK, 0x000011);
320 
321 	/* start dma */
322 	cx_set(DEV_CNTRL2, (1<<5));
323 	cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
324 
325 	return 0;
326 }
327 
328 static int queue_setup(struct vb2_queue *q,
329 			   unsigned int *num_buffers, unsigned int *num_planes,
330 			   unsigned int sizes[], struct device *alloc_devs[])
331 {
332 	struct cx23885_dev *dev = q->drv_priv;
333 
334 	*num_planes = 1;
335 	sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
336 	return 0;
337 }
338 
339 static int buffer_prepare(struct vb2_buffer *vb)
340 {
341 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
342 	struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
343 	struct cx23885_buffer *buf =
344 		container_of(vbuf, struct cx23885_buffer, vb);
345 	u32 line0_offset, line1_offset;
346 	struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
347 	int field_tff;
348 
349 	buf->bpl = (dev->width * dev->fmt->depth) >> 3;
350 
351 	if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
352 		return -EINVAL;
353 	vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
354 
355 	switch (dev->field) {
356 	case V4L2_FIELD_TOP:
357 		cx23885_risc_buffer(dev->pci, &buf->risc,
358 				sgt->sgl, 0, UNSET,
359 				buf->bpl, 0, dev->height);
360 		break;
361 	case V4L2_FIELD_BOTTOM:
362 		cx23885_risc_buffer(dev->pci, &buf->risc,
363 				sgt->sgl, UNSET, 0,
364 				buf->bpl, 0, dev->height);
365 		break;
366 	case V4L2_FIELD_INTERLACED:
367 		if (dev->tvnorm & V4L2_STD_525_60)
368 			/* NTSC or  */
369 			field_tff = 1;
370 		else
371 			field_tff = 0;
372 
373 		if (cx23885_boards[dev->board].force_bff)
374 			/* PAL / SECAM OR 888 in NTSC MODE */
375 			field_tff = 0;
376 
377 		if (field_tff) {
378 			/* cx25840 transmits NTSC bottom field first */
379 			dprintk(1, "%s() Creating TFF/NTSC risc\n",
380 					__func__);
381 			line0_offset = buf->bpl;
382 			line1_offset = 0;
383 		} else {
384 			/* All other formats are top field first */
385 			dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
386 					__func__);
387 			line0_offset = 0;
388 			line1_offset = buf->bpl;
389 		}
390 		cx23885_risc_buffer(dev->pci, &buf->risc,
391 				sgt->sgl, line0_offset,
392 				line1_offset,
393 				buf->bpl, buf->bpl,
394 				dev->height >> 1);
395 		break;
396 	case V4L2_FIELD_SEQ_TB:
397 		cx23885_risc_buffer(dev->pci, &buf->risc,
398 				sgt->sgl,
399 				0, buf->bpl * (dev->height >> 1),
400 				buf->bpl, 0,
401 				dev->height >> 1);
402 		break;
403 	case V4L2_FIELD_SEQ_BT:
404 		cx23885_risc_buffer(dev->pci, &buf->risc,
405 				sgt->sgl,
406 				buf->bpl * (dev->height >> 1), 0,
407 				buf->bpl, 0,
408 				dev->height >> 1);
409 		break;
410 	default:
411 		BUG();
412 	}
413 	dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
414 		buf, buf->vb.vb2_buf.index,
415 		dev->width, dev->height, dev->fmt->depth, dev->fmt->fourcc,
416 		(unsigned long)buf->risc.dma);
417 	return 0;
418 }
419 
420 static void buffer_finish(struct vb2_buffer *vb)
421 {
422 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
423 	struct cx23885_buffer *buf = container_of(vbuf,
424 		struct cx23885_buffer, vb);
425 
426 	cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
427 }
428 
429 /*
430  * The risc program for each buffer works as follows: it starts with a simple
431  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
432  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
433  * the initial JUMP).
434  *
435  * This is the risc program of the first buffer to be queued if the active list
436  * is empty and it just keeps DMAing this buffer without generating any
437  * interrupts.
438  *
439  * If a new buffer is added then the initial JUMP in the code for that buffer
440  * will generate an interrupt which signals that the previous buffer has been
441  * DMAed successfully and that it can be returned to userspace.
442  *
443  * It also sets the final jump of the previous buffer to the start of the new
444  * buffer, thus chaining the new buffer into the DMA chain. This is a single
445  * atomic u32 write, so there is no race condition.
446  *
447  * The end-result of all this that you only get an interrupt when a buffer
448  * is ready, so the control flow is very easy.
449  */
450 static void buffer_queue(struct vb2_buffer *vb)
451 {
452 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
453 	struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
454 	struct cx23885_buffer   *buf = container_of(vbuf,
455 		struct cx23885_buffer, vb);
456 	struct cx23885_buffer   *prev;
457 	struct cx23885_dmaqueue *q    = &dev->vidq;
458 	unsigned long flags;
459 
460 	/* add jump to start */
461 	buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
462 	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
463 	buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
464 	buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
465 
466 	spin_lock_irqsave(&dev->slock, flags);
467 	if (list_empty(&q->active)) {
468 		list_add_tail(&buf->queue, &q->active);
469 		dprintk(2, "[%p/%d] buffer_queue - first active\n",
470 			buf, buf->vb.vb2_buf.index);
471 	} else {
472 		buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
473 		prev = list_entry(q->active.prev, struct cx23885_buffer,
474 			queue);
475 		list_add_tail(&buf->queue, &q->active);
476 		prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
477 		dprintk(2, "[%p/%d] buffer_queue - append to active\n",
478 				buf, buf->vb.vb2_buf.index);
479 	}
480 	spin_unlock_irqrestore(&dev->slock, flags);
481 }
482 
483 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
484 {
485 	struct cx23885_dev *dev = q->drv_priv;
486 	struct cx23885_dmaqueue *dmaq = &dev->vidq;
487 	struct cx23885_buffer *buf = list_entry(dmaq->active.next,
488 			struct cx23885_buffer, queue);
489 
490 	cx23885_start_video_dma(dev, dmaq, buf);
491 	return 0;
492 }
493 
494 static void cx23885_stop_streaming(struct vb2_queue *q)
495 {
496 	struct cx23885_dev *dev = q->drv_priv;
497 	struct cx23885_dmaqueue *dmaq = &dev->vidq;
498 	unsigned long flags;
499 
500 	cx_clear(VID_A_DMA_CTL, 0x11);
501 	spin_lock_irqsave(&dev->slock, flags);
502 	while (!list_empty(&dmaq->active)) {
503 		struct cx23885_buffer *buf = list_entry(dmaq->active.next,
504 			struct cx23885_buffer, queue);
505 
506 		list_del(&buf->queue);
507 		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
508 	}
509 	spin_unlock_irqrestore(&dev->slock, flags);
510 }
511 
512 static const struct vb2_ops cx23885_video_qops = {
513 	.queue_setup    = queue_setup,
514 	.buf_prepare  = buffer_prepare,
515 	.buf_finish = buffer_finish,
516 	.buf_queue    = buffer_queue,
517 	.wait_prepare = vb2_ops_wait_prepare,
518 	.wait_finish = vb2_ops_wait_finish,
519 	.start_streaming = cx23885_start_streaming,
520 	.stop_streaming = cx23885_stop_streaming,
521 };
522 
523 /* ------------------------------------------------------------------ */
524 /* VIDEO IOCTLS                                                       */
525 
526 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
527 	struct v4l2_format *f)
528 {
529 	struct cx23885_dev *dev = video_drvdata(file);
530 
531 	f->fmt.pix.width        = dev->width;
532 	f->fmt.pix.height       = dev->height;
533 	f->fmt.pix.field        = dev->field;
534 	f->fmt.pix.pixelformat  = dev->fmt->fourcc;
535 	f->fmt.pix.bytesperline =
536 		(f->fmt.pix.width * dev->fmt->depth) >> 3;
537 	f->fmt.pix.sizeimage =
538 		f->fmt.pix.height * f->fmt.pix.bytesperline;
539 	f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
540 
541 	return 0;
542 }
543 
544 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
545 	struct v4l2_format *f)
546 {
547 	struct cx23885_dev *dev = video_drvdata(file);
548 	struct cx23885_fmt *fmt;
549 	enum v4l2_field   field;
550 	unsigned int      maxw, maxh;
551 
552 	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
553 	if (NULL == fmt)
554 		return -EINVAL;
555 
556 	field = f->fmt.pix.field;
557 	maxw  = 720;
558 	maxh  = norm_maxh(dev->tvnorm);
559 
560 	if (V4L2_FIELD_ANY == field) {
561 		field = (f->fmt.pix.height > maxh/2)
562 			? V4L2_FIELD_INTERLACED
563 			: V4L2_FIELD_BOTTOM;
564 	}
565 
566 	switch (field) {
567 	case V4L2_FIELD_TOP:
568 	case V4L2_FIELD_BOTTOM:
569 		maxh = maxh / 2;
570 		break;
571 	case V4L2_FIELD_INTERLACED:
572 	case V4L2_FIELD_SEQ_TB:
573 	case V4L2_FIELD_SEQ_BT:
574 		break;
575 	default:
576 		field = V4L2_FIELD_INTERLACED;
577 		break;
578 	}
579 
580 	f->fmt.pix.field = field;
581 	v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
582 			      &f->fmt.pix.height, 32, maxh, 0, 0);
583 	f->fmt.pix.bytesperline =
584 		(f->fmt.pix.width * fmt->depth) >> 3;
585 	f->fmt.pix.sizeimage =
586 		f->fmt.pix.height * f->fmt.pix.bytesperline;
587 	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
588 
589 	return 0;
590 }
591 
592 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
593 	struct v4l2_format *f)
594 {
595 	struct cx23885_dev *dev = video_drvdata(file);
596 	struct v4l2_subdev_format format = {
597 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
598 	};
599 	int err;
600 
601 	dprintk(2, "%s()\n", __func__);
602 	err = vidioc_try_fmt_vid_cap(file, priv, f);
603 
604 	if (0 != err)
605 		return err;
606 
607 	if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
608 	    vb2_is_busy(&dev->vb2_mpegq))
609 		return -EBUSY;
610 
611 	dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
612 	dev->width      = f->fmt.pix.width;
613 	dev->height     = f->fmt.pix.height;
614 	dev->field	= f->fmt.pix.field;
615 	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
616 		dev->width, dev->height, dev->field);
617 	v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
618 	call_all(dev, pad, set_fmt, NULL, &format);
619 	v4l2_fill_pix_format(&f->fmt.pix, &format.format);
620 	/* set_fmt overwrites f->fmt.pix.field, restore it */
621 	f->fmt.pix.field = dev->field;
622 	return 0;
623 }
624 
625 static int vidioc_querycap(struct file *file, void  *priv,
626 	struct v4l2_capability *cap)
627 {
628 	struct cx23885_dev *dev = video_drvdata(file);
629 
630 	strscpy(cap->driver, "cx23885", sizeof(cap->driver));
631 	strscpy(cap->card, cx23885_boards[dev->board].name,
632 		sizeof(cap->card));
633 	sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
634 	cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
635 			    V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE |
636 			    V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
637 			    V4L2_CAP_DEVICE_CAPS;
638 	if (dev->tuner_type != TUNER_ABSENT)
639 		cap->capabilities |= V4L2_CAP_TUNER;
640 	return 0;
641 }
642 
643 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
644 	struct v4l2_fmtdesc *f)
645 {
646 	if (unlikely(f->index >= ARRAY_SIZE(formats)))
647 		return -EINVAL;
648 
649 	f->pixelformat = formats[f->index].fourcc;
650 
651 	return 0;
652 }
653 
654 static int vidioc_g_pixelaspect(struct file *file, void *priv,
655 				int type, struct v4l2_fract *f)
656 {
657 	struct cx23885_dev *dev = video_drvdata(file);
658 	bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
659 
660 	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
661 		return -EINVAL;
662 
663 	f->numerator = is_50hz ? 54 : 11;
664 	f->denominator = is_50hz ? 59 : 10;
665 
666 	return 0;
667 }
668 
669 static int vidioc_g_selection(struct file *file, void *fh,
670 			      struct v4l2_selection *sel)
671 {
672 	struct cx23885_dev *dev = video_drvdata(file);
673 
674 	if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
675 		return -EINVAL;
676 
677 	switch (sel->target) {
678 	case V4L2_SEL_TGT_CROP_BOUNDS:
679 	case V4L2_SEL_TGT_CROP_DEFAULT:
680 		sel->r.top = 0;
681 		sel->r.left = 0;
682 		sel->r.width = 720;
683 		sel->r.height = norm_maxh(dev->tvnorm);
684 		break;
685 	default:
686 		return -EINVAL;
687 	}
688 	return 0;
689 }
690 
691 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
692 {
693 	struct cx23885_dev *dev = video_drvdata(file);
694 	dprintk(1, "%s()\n", __func__);
695 
696 	*id = dev->tvnorm;
697 	return 0;
698 }
699 
700 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
701 {
702 	struct cx23885_dev *dev = video_drvdata(file);
703 	dprintk(1, "%s()\n", __func__);
704 
705 	return cx23885_set_tvnorm(dev, tvnorms);
706 }
707 
708 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
709 {
710 	static const char *iname[] = {
711 		[CX23885_VMUX_COMPOSITE1] = "Composite1",
712 		[CX23885_VMUX_COMPOSITE2] = "Composite2",
713 		[CX23885_VMUX_COMPOSITE3] = "Composite3",
714 		[CX23885_VMUX_COMPOSITE4] = "Composite4",
715 		[CX23885_VMUX_SVIDEO]     = "S-Video",
716 		[CX23885_VMUX_COMPONENT]  = "Component",
717 		[CX23885_VMUX_TELEVISION] = "Television",
718 		[CX23885_VMUX_CABLE]      = "Cable TV",
719 		[CX23885_VMUX_DVB]        = "DVB",
720 		[CX23885_VMUX_DEBUG]      = "for debug only",
721 	};
722 	unsigned int n;
723 	dprintk(1, "%s()\n", __func__);
724 
725 	n = i->index;
726 	if (n >= MAX_CX23885_INPUT)
727 		return -EINVAL;
728 
729 	if (0 == INPUT(n)->type)
730 		return -EINVAL;
731 
732 	i->index = n;
733 	i->type  = V4L2_INPUT_TYPE_CAMERA;
734 	strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name));
735 	i->std = CX23885_NORMS;
736 	if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
737 		(CX23885_VMUX_CABLE == INPUT(n)->type)) {
738 		i->type = V4L2_INPUT_TYPE_TUNER;
739 		i->audioset = 4;
740 	} else {
741 		/* Two selectable audio inputs for non-tv inputs */
742 		i->audioset = 3;
743 	}
744 
745 	if (dev->input == n) {
746 		/* enum'd input matches our configured input.
747 		 * Ask the video decoder to process the call
748 		 * and give it an oppertunity to update the
749 		 * status field.
750 		 */
751 		call_all(dev, video, g_input_status, &i->status);
752 	}
753 
754 	return 0;
755 }
756 
757 static int vidioc_enum_input(struct file *file, void *priv,
758 				struct v4l2_input *i)
759 {
760 	struct cx23885_dev *dev = video_drvdata(file);
761 	dprintk(1, "%s()\n", __func__);
762 	return cx23885_enum_input(dev, i);
763 }
764 
765 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
766 {
767 	struct cx23885_dev *dev = video_drvdata(file);
768 
769 	*i = dev->input;
770 	dprintk(1, "%s() returns %d\n", __func__, *i);
771 	return 0;
772 }
773 
774 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
775 {
776 	return cx23885_get_input(file, priv, i);
777 }
778 
779 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
780 {
781 	struct cx23885_dev *dev = video_drvdata(file);
782 
783 	dprintk(1, "%s(%d)\n", __func__, i);
784 
785 	if (i >= MAX_CX23885_INPUT) {
786 		dprintk(1, "%s() -EINVAL\n", __func__);
787 		return -EINVAL;
788 	}
789 
790 	if (INPUT(i)->type == 0)
791 		return -EINVAL;
792 
793 	cx23885_video_mux(dev, i);
794 
795 	/* By default establish the default audio input for the card also */
796 	/* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
797 	cx23885_audio_mux(dev, i);
798 	return 0;
799 }
800 
801 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
802 {
803 	return cx23885_set_input(file, priv, i);
804 }
805 
806 static int vidioc_log_status(struct file *file, void *priv)
807 {
808 	struct cx23885_dev *dev = video_drvdata(file);
809 
810 	call_all(dev, core, log_status);
811 	return 0;
812 }
813 
814 static int cx23885_query_audinput(struct file *file, void *priv,
815 	struct v4l2_audio *i)
816 {
817 	static const char *iname[] = {
818 		[0] = "Baseband L/R 1",
819 		[1] = "Baseband L/R 2",
820 		[2] = "TV",
821 	};
822 	unsigned int n;
823 	dprintk(1, "%s()\n", __func__);
824 
825 	n = i->index;
826 	if (n >= 3)
827 		return -EINVAL;
828 
829 	memset(i, 0, sizeof(*i));
830 	i->index = n;
831 	strscpy(i->name, iname[n], sizeof(i->name));
832 	i->capability = V4L2_AUDCAP_STEREO;
833 	return 0;
834 
835 }
836 
837 static int vidioc_enum_audinput(struct file *file, void *priv,
838 				struct v4l2_audio *i)
839 {
840 	return cx23885_query_audinput(file, priv, i);
841 }
842 
843 static int vidioc_g_audinput(struct file *file, void *priv,
844 	struct v4l2_audio *i)
845 {
846 	struct cx23885_dev *dev = video_drvdata(file);
847 
848 	if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
849 		(CX23885_VMUX_CABLE == INPUT(dev->input)->type))
850 		i->index = 2;
851 	else
852 		i->index = dev->audinput;
853 	dprintk(1, "%s(input=%d)\n", __func__, i->index);
854 
855 	return cx23885_query_audinput(file, priv, i);
856 }
857 
858 static int vidioc_s_audinput(struct file *file, void *priv,
859 	const struct v4l2_audio *i)
860 {
861 	struct cx23885_dev *dev = video_drvdata(file);
862 
863 	if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
864 		(CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
865 		return i->index != 2 ? -EINVAL : 0;
866 	}
867 	if (i->index > 1)
868 		return -EINVAL;
869 
870 	dprintk(1, "%s(%d)\n", __func__, i->index);
871 
872 	dev->audinput = i->index;
873 
874 	/* Skip the audio defaults from the cards struct, caller wants
875 	 * directly touch the audio mux hardware. */
876 	cx23885_flatiron_mux(dev, dev->audinput + 1);
877 	return 0;
878 }
879 
880 static int vidioc_g_tuner(struct file *file, void *priv,
881 				struct v4l2_tuner *t)
882 {
883 	struct cx23885_dev *dev = video_drvdata(file);
884 
885 	if (dev->tuner_type == TUNER_ABSENT)
886 		return -EINVAL;
887 	if (0 != t->index)
888 		return -EINVAL;
889 
890 	strscpy(t->name, "Television", sizeof(t->name));
891 
892 	call_all(dev, tuner, g_tuner, t);
893 	return 0;
894 }
895 
896 static int vidioc_s_tuner(struct file *file, void *priv,
897 				const struct v4l2_tuner *t)
898 {
899 	struct cx23885_dev *dev = video_drvdata(file);
900 
901 	if (dev->tuner_type == TUNER_ABSENT)
902 		return -EINVAL;
903 	if (0 != t->index)
904 		return -EINVAL;
905 	/* Update the A/V core */
906 	call_all(dev, tuner, s_tuner, t);
907 
908 	return 0;
909 }
910 
911 static int vidioc_g_frequency(struct file *file, void *priv,
912 				struct v4l2_frequency *f)
913 {
914 	struct cx23885_dev *dev = video_drvdata(file);
915 
916 	if (dev->tuner_type == TUNER_ABSENT)
917 		return -EINVAL;
918 
919 	f->type = V4L2_TUNER_ANALOG_TV;
920 	f->frequency = dev->freq;
921 
922 	call_all(dev, tuner, g_frequency, f);
923 
924 	return 0;
925 }
926 
927 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
928 {
929 	struct v4l2_ctrl *mute;
930 	int old_mute_val = 1;
931 
932 	if (dev->tuner_type == TUNER_ABSENT)
933 		return -EINVAL;
934 	if (unlikely(f->tuner != 0))
935 		return -EINVAL;
936 
937 	dev->freq = f->frequency;
938 
939 	/* I need to mute audio here */
940 	mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
941 	if (mute) {
942 		old_mute_val = v4l2_ctrl_g_ctrl(mute);
943 		if (!old_mute_val)
944 			v4l2_ctrl_s_ctrl(mute, 1);
945 	}
946 
947 	call_all(dev, tuner, s_frequency, f);
948 
949 	/* When changing channels it is required to reset TVAUDIO */
950 	msleep(100);
951 
952 	/* I need to unmute audio here */
953 	if (old_mute_val == 0)
954 		v4l2_ctrl_s_ctrl(mute, old_mute_val);
955 
956 	return 0;
957 }
958 
959 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
960 	const struct v4l2_frequency *f)
961 {
962 	struct v4l2_ctrl *mute;
963 	int old_mute_val = 1;
964 	struct vb2_dvb_frontend *vfe;
965 	struct dvb_frontend *fe;
966 
967 	struct analog_parameters params = {
968 		.mode      = V4L2_TUNER_ANALOG_TV,
969 		.audmode   = V4L2_TUNER_MODE_STEREO,
970 		.std       = dev->tvnorm,
971 		.frequency = f->frequency
972 	};
973 
974 	dev->freq = f->frequency;
975 
976 	/* I need to mute audio here */
977 	mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
978 	if (mute) {
979 		old_mute_val = v4l2_ctrl_g_ctrl(mute);
980 		if (!old_mute_val)
981 			v4l2_ctrl_s_ctrl(mute, 1);
982 	}
983 
984 	/* If HVR1850 */
985 	dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
986 		params.frequency, f->tuner, params.std);
987 
988 	vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
989 	if (!vfe) {
990 		return -EINVAL;
991 	}
992 
993 	fe = vfe->dvb.frontend;
994 
995 	if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
996 	    (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
997 	    (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
998 	    (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4))
999 		fe = &dev->ts1.analog_fe;
1000 
1001 	if (fe && fe->ops.tuner_ops.set_analog_params) {
1002 		call_all(dev, video, s_std, dev->tvnorm);
1003 		fe->ops.tuner_ops.set_analog_params(fe, &params);
1004 	}
1005 	else
1006 		pr_err("%s() No analog tuner, aborting\n", __func__);
1007 
1008 	/* When changing channels it is required to reset TVAUDIO */
1009 	msleep(100);
1010 
1011 	/* I need to unmute audio here */
1012 	if (old_mute_val == 0)
1013 		v4l2_ctrl_s_ctrl(mute, old_mute_val);
1014 
1015 	return 0;
1016 }
1017 
1018 int cx23885_set_frequency(struct file *file, void *priv,
1019 	const struct v4l2_frequency *f)
1020 {
1021 	struct cx23885_dev *dev = video_drvdata(file);
1022 	int ret;
1023 
1024 	switch (dev->board) {
1025 	case CX23885_BOARD_HAUPPAUGE_HVR1255:
1026 	case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1027 	case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1028 	case CX23885_BOARD_HAUPPAUGE_HVR1850:
1029 		ret = cx23885_set_freq_via_ops(dev, f);
1030 		break;
1031 	default:
1032 		ret = cx23885_set_freq(dev, f);
1033 	}
1034 
1035 	return ret;
1036 }
1037 
1038 static int vidioc_s_frequency(struct file *file, void *priv,
1039 	const struct v4l2_frequency *f)
1040 {
1041 	return cx23885_set_frequency(file, priv, f);
1042 }
1043 
1044 /* ----------------------------------------------------------- */
1045 
1046 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1047 {
1048 	u32 mask, count;
1049 	int handled = 0;
1050 
1051 	mask   = cx_read(VID_A_INT_MSK);
1052 	if (0 == (status & mask))
1053 		return handled;
1054 
1055 	cx_write(VID_A_INT_STAT, status);
1056 
1057 	/* risc op code error, fifo overflow or line sync detection error */
1058 	if ((status & VID_BC_MSK_OPC_ERR) ||
1059 		(status & VID_BC_MSK_SYNC) ||
1060 		(status & VID_BC_MSK_OF)) {
1061 
1062 		if (status & VID_BC_MSK_OPC_ERR) {
1063 			dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1064 				VID_BC_MSK_OPC_ERR);
1065 			pr_warn("%s: video risc op code error\n",
1066 				dev->name);
1067 			cx23885_sram_channel_dump(dev,
1068 				&dev->sram_channels[SRAM_CH01]);
1069 		}
1070 
1071 		if (status & VID_BC_MSK_SYNC)
1072 			dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n",
1073 				VID_BC_MSK_SYNC);
1074 
1075 		if (status & VID_BC_MSK_OF)
1076 			dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1077 				VID_BC_MSK_OF);
1078 
1079 	}
1080 
1081 	/* Video */
1082 	if (status & VID_BC_MSK_RISCI1) {
1083 		spin_lock(&dev->slock);
1084 		count = cx_read(VID_A_GPCNT);
1085 		cx23885_video_wakeup(dev, &dev->vidq, count);
1086 		spin_unlock(&dev->slock);
1087 		handled++;
1088 	}
1089 
1090 	/* Allow the VBI framework to process it's payload */
1091 	handled += cx23885_vbi_irq(dev, status);
1092 
1093 	return handled;
1094 }
1095 
1096 /* ----------------------------------------------------------- */
1097 /* exported stuff                                              */
1098 
1099 static const struct v4l2_file_operations video_fops = {
1100 	.owner	       = THIS_MODULE,
1101 	.open           = v4l2_fh_open,
1102 	.release        = vb2_fop_release,
1103 	.read           = vb2_fop_read,
1104 	.poll		= vb2_fop_poll,
1105 	.unlocked_ioctl = video_ioctl2,
1106 	.mmap           = vb2_fop_mmap,
1107 };
1108 
1109 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1110 	.vidioc_querycap      = vidioc_querycap,
1111 	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1112 	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1113 	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1114 	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1115 	.vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1116 	.vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1117 	.vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1118 	.vidioc_reqbufs       = vb2_ioctl_reqbufs,
1119 	.vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1120 	.vidioc_querybuf      = vb2_ioctl_querybuf,
1121 	.vidioc_qbuf          = vb2_ioctl_qbuf,
1122 	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
1123 	.vidioc_streamon      = vb2_ioctl_streamon,
1124 	.vidioc_streamoff     = vb2_ioctl_streamoff,
1125 	.vidioc_g_pixelaspect = vidioc_g_pixelaspect,
1126 	.vidioc_g_selection   = vidioc_g_selection,
1127 	.vidioc_s_std         = vidioc_s_std,
1128 	.vidioc_g_std         = vidioc_g_std,
1129 	.vidioc_enum_input    = vidioc_enum_input,
1130 	.vidioc_g_input       = vidioc_g_input,
1131 	.vidioc_s_input       = vidioc_s_input,
1132 	.vidioc_log_status    = vidioc_log_status,
1133 	.vidioc_g_tuner       = vidioc_g_tuner,
1134 	.vidioc_s_tuner       = vidioc_s_tuner,
1135 	.vidioc_g_frequency   = vidioc_g_frequency,
1136 	.vidioc_s_frequency   = vidioc_s_frequency,
1137 #ifdef CONFIG_VIDEO_ADV_DEBUG
1138 	.vidioc_g_chip_info   = cx23885_g_chip_info,
1139 	.vidioc_g_register    = cx23885_g_register,
1140 	.vidioc_s_register    = cx23885_s_register,
1141 #endif
1142 	.vidioc_enumaudio     = vidioc_enum_audinput,
1143 	.vidioc_g_audio       = vidioc_g_audinput,
1144 	.vidioc_s_audio       = vidioc_s_audinput,
1145 	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1146 	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1147 };
1148 
1149 static struct video_device cx23885_vbi_template;
1150 static struct video_device cx23885_video_template = {
1151 	.name                 = "cx23885-video",
1152 	.fops                 = &video_fops,
1153 	.ioctl_ops	      = &video_ioctl_ops,
1154 	.tvnorms              = CX23885_NORMS,
1155 };
1156 
1157 void cx23885_video_unregister(struct cx23885_dev *dev)
1158 {
1159 	dprintk(1, "%s()\n", __func__);
1160 	cx23885_irq_remove(dev, 0x01);
1161 
1162 	if (dev->vbi_dev) {
1163 		if (video_is_registered(dev->vbi_dev))
1164 			video_unregister_device(dev->vbi_dev);
1165 		else
1166 			video_device_release(dev->vbi_dev);
1167 		dev->vbi_dev = NULL;
1168 	}
1169 	if (dev->video_dev) {
1170 		if (video_is_registered(dev->video_dev))
1171 			video_unregister_device(dev->video_dev);
1172 		else
1173 			video_device_release(dev->video_dev);
1174 		dev->video_dev = NULL;
1175 	}
1176 
1177 	if (dev->audio_dev)
1178 		cx23885_audio_unregister(dev);
1179 }
1180 
1181 int cx23885_video_register(struct cx23885_dev *dev)
1182 {
1183 	struct vb2_queue *q;
1184 	int err;
1185 
1186 	dprintk(1, "%s()\n", __func__);
1187 
1188 	/* Initialize VBI template */
1189 	cx23885_vbi_template = cx23885_video_template;
1190 	strscpy(cx23885_vbi_template.name, "cx23885-vbi",
1191 		sizeof(cx23885_vbi_template.name));
1192 
1193 	dev->tvnorm = V4L2_STD_NTSC_M;
1194 	dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1195 	dev->field = V4L2_FIELD_INTERLACED;
1196 	dev->width = 720;
1197 	dev->height = norm_maxh(dev->tvnorm);
1198 
1199 	/* init video dma queues */
1200 	INIT_LIST_HEAD(&dev->vidq.active);
1201 
1202 	/* init vbi dma queues */
1203 	INIT_LIST_HEAD(&dev->vbiq.active);
1204 
1205 	cx23885_irq_add_enable(dev, 0x01);
1206 
1207 	if ((TUNER_ABSENT != dev->tuner_type) &&
1208 			((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1209 		struct v4l2_subdev *sd = NULL;
1210 
1211 		if (dev->tuner_addr)
1212 			sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1213 				&dev->i2c_bus[dev->tuner_bus].i2c_adap,
1214 				"tuner", dev->tuner_addr, NULL);
1215 		else
1216 			sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1217 				&dev->i2c_bus[dev->tuner_bus].i2c_adap,
1218 				"tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1219 		if (sd) {
1220 			struct tuner_setup tun_setup;
1221 
1222 			memset(&tun_setup, 0, sizeof(tun_setup));
1223 			tun_setup.mode_mask = T_ANALOG_TV;
1224 			tun_setup.type = dev->tuner_type;
1225 			tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1226 			tun_setup.tuner_callback = cx23885_tuner_callback;
1227 
1228 			v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1229 
1230 			if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1231 			    (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1232 				struct xc2028_ctrl ctrl = {
1233 					.fname = XC2028_DEFAULT_FIRMWARE,
1234 					.max_len = 64
1235 				};
1236 				struct v4l2_priv_tun_config cfg = {
1237 					.tuner = dev->tuner_type,
1238 					.priv = &ctrl
1239 				};
1240 				v4l2_subdev_call(sd, tuner, s_config, &cfg);
1241 			}
1242 
1243 			if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1244 				struct xc2028_ctrl ctrl = {
1245 					.fname = "xc3028L-v36.fw",
1246 					.max_len = 64
1247 				};
1248 				struct v4l2_priv_tun_config cfg = {
1249 					.tuner = dev->tuner_type,
1250 					.priv = &ctrl
1251 				};
1252 				v4l2_subdev_call(sd, tuner, s_config, &cfg);
1253 			}
1254 		}
1255 	}
1256 
1257 	/* initial device configuration */
1258 	mutex_lock(&dev->lock);
1259 	cx23885_set_tvnorm(dev, dev->tvnorm);
1260 	cx23885_video_mux(dev, 0);
1261 	cx23885_audio_mux(dev, 0);
1262 	mutex_unlock(&dev->lock);
1263 
1264 	q = &dev->vb2_vidq;
1265 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1266 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1267 	q->gfp_flags = GFP_DMA32;
1268 	q->min_buffers_needed = 2;
1269 	q->drv_priv = dev;
1270 	q->buf_struct_size = sizeof(struct cx23885_buffer);
1271 	q->ops = &cx23885_video_qops;
1272 	q->mem_ops = &vb2_dma_sg_memops;
1273 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1274 	q->lock = &dev->lock;
1275 	q->dev = &dev->pci->dev;
1276 
1277 	err = vb2_queue_init(q);
1278 	if (err < 0)
1279 		goto fail_unreg;
1280 
1281 	q = &dev->vb2_vbiq;
1282 	q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1283 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1284 	q->gfp_flags = GFP_DMA32;
1285 	q->min_buffers_needed = 2;
1286 	q->drv_priv = dev;
1287 	q->buf_struct_size = sizeof(struct cx23885_buffer);
1288 	q->ops = &cx23885_vbi_qops;
1289 	q->mem_ops = &vb2_dma_sg_memops;
1290 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1291 	q->lock = &dev->lock;
1292 	q->dev = &dev->pci->dev;
1293 
1294 	err = vb2_queue_init(q);
1295 	if (err < 0)
1296 		goto fail_unreg;
1297 
1298 	/* register Video device */
1299 	dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1300 		&cx23885_video_template, "video");
1301 	dev->video_dev->queue = &dev->vb2_vidq;
1302 	dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1303 				      V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE;
1304 	if (dev->tuner_type != TUNER_ABSENT)
1305 		dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1306 	err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1307 				    video_nr[dev->nr]);
1308 	if (err < 0) {
1309 		pr_info("%s: can't register video device\n",
1310 			dev->name);
1311 		goto fail_unreg;
1312 	}
1313 	pr_info("%s: registered device %s [v4l2]\n",
1314 	       dev->name, video_device_node_name(dev->video_dev));
1315 
1316 	/* register VBI device */
1317 	dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1318 		&cx23885_vbi_template, "vbi");
1319 	dev->vbi_dev->queue = &dev->vb2_vbiq;
1320 	dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1321 				    V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE;
1322 	if (dev->tuner_type != TUNER_ABSENT)
1323 		dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1324 	err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1325 				    vbi_nr[dev->nr]);
1326 	if (err < 0) {
1327 		pr_info("%s: can't register vbi device\n",
1328 			dev->name);
1329 		goto fail_unreg;
1330 	}
1331 	pr_info("%s: registered device %s\n",
1332 	       dev->name, video_device_node_name(dev->vbi_dev));
1333 
1334 	/* Register ALSA audio device */
1335 	dev->audio_dev = cx23885_audio_register(dev);
1336 
1337 	return 0;
1338 
1339 fail_unreg:
1340 	cx23885_video_unregister(dev);
1341 	return err;
1342 }
1343