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 		(dev->board == CX23885_BOARD_AVERMEDIA_CE310B)) {
262 		/* Configure audio routing */
263 		v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
264 			INPUT(input)->amux, 0, 0);
265 
266 		if (INPUT(input)->amux == CX25840_AUDIO7)
267 			cx23885_flatiron_mux(dev, 1);
268 		else if (INPUT(input)->amux == CX25840_AUDIO6)
269 			cx23885_flatiron_mux(dev, 2);
270 	}
271 
272 	return 0;
273 }
274 
275 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
276 {
277 	dprintk(1, "%s(input=%d)\n", __func__, input);
278 
279 	/* The baseband video core of the cx23885 has two audio inputs.
280 	 * LR1 and LR2. In almost every single case so far only HVR1xxx
281 	 * cards we've only ever supported LR1. Time to support LR2,
282 	 * which is available via the optional white breakout header on
283 	 * the board.
284 	 * We'll use a could of existing enums in the card struct to allow
285 	 * devs to specify which baseband input they need, or just default
286 	 * to what we've always used.
287 	 */
288 	if (INPUT(input)->amux == CX25840_AUDIO7)
289 		cx23885_flatiron_mux(dev, 1);
290 	else if (INPUT(input)->amux == CX25840_AUDIO6)
291 		cx23885_flatiron_mux(dev, 2);
292 	else {
293 		/* Not specifically defined, assume the default. */
294 		cx23885_flatiron_mux(dev, 1);
295 	}
296 
297 	return 0;
298 }
299 
300 /* ------------------------------------------------------------------ */
301 static int cx23885_start_video_dma(struct cx23885_dev *dev,
302 			   struct cx23885_dmaqueue *q,
303 			   struct cx23885_buffer *buf)
304 {
305 	dprintk(1, "%s()\n", __func__);
306 
307 	/* Stop the dma/fifo before we tamper with it's risc programs */
308 	cx_clear(VID_A_DMA_CTL, 0x11);
309 
310 	/* setup fifo + format */
311 	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
312 				buf->bpl, buf->risc.dma);
313 
314 	/* reset counter */
315 	cx_write(VID_A_GPCNT_CTL, 3);
316 	q->count = 0;
317 
318 	/* enable irq */
319 	cx23885_irq_add_enable(dev, 0x01);
320 	cx_set(VID_A_INT_MSK, 0x000011);
321 
322 	/* start dma */
323 	cx_set(DEV_CNTRL2, (1<<5));
324 	cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
325 
326 	return 0;
327 }
328 
329 static int queue_setup(struct vb2_queue *q,
330 			   unsigned int *num_buffers, unsigned int *num_planes,
331 			   unsigned int sizes[], struct device *alloc_devs[])
332 {
333 	struct cx23885_dev *dev = q->drv_priv;
334 
335 	*num_planes = 1;
336 	sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
337 	return 0;
338 }
339 
340 static int buffer_prepare(struct vb2_buffer *vb)
341 {
342 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
343 	struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
344 	struct cx23885_buffer *buf =
345 		container_of(vbuf, struct cx23885_buffer, vb);
346 	u32 line0_offset, line1_offset;
347 	struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
348 	int field_tff;
349 
350 	buf->bpl = (dev->width * dev->fmt->depth) >> 3;
351 
352 	if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
353 		return -EINVAL;
354 	vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
355 
356 	switch (dev->field) {
357 	case V4L2_FIELD_TOP:
358 		cx23885_risc_buffer(dev->pci, &buf->risc,
359 				sgt->sgl, 0, UNSET,
360 				buf->bpl, 0, dev->height);
361 		break;
362 	case V4L2_FIELD_BOTTOM:
363 		cx23885_risc_buffer(dev->pci, &buf->risc,
364 				sgt->sgl, UNSET, 0,
365 				buf->bpl, 0, dev->height);
366 		break;
367 	case V4L2_FIELD_INTERLACED:
368 		if (dev->tvnorm & V4L2_STD_525_60)
369 			/* NTSC or  */
370 			field_tff = 1;
371 		else
372 			field_tff = 0;
373 
374 		if (cx23885_boards[dev->board].force_bff)
375 			/* PAL / SECAM OR 888 in NTSC MODE */
376 			field_tff = 0;
377 
378 		if (field_tff) {
379 			/* cx25840 transmits NTSC bottom field first */
380 			dprintk(1, "%s() Creating TFF/NTSC risc\n",
381 					__func__);
382 			line0_offset = buf->bpl;
383 			line1_offset = 0;
384 		} else {
385 			/* All other formats are top field first */
386 			dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
387 					__func__);
388 			line0_offset = 0;
389 			line1_offset = buf->bpl;
390 		}
391 		cx23885_risc_buffer(dev->pci, &buf->risc,
392 				sgt->sgl, line0_offset,
393 				line1_offset,
394 				buf->bpl, buf->bpl,
395 				dev->height >> 1);
396 		break;
397 	case V4L2_FIELD_SEQ_TB:
398 		cx23885_risc_buffer(dev->pci, &buf->risc,
399 				sgt->sgl,
400 				0, buf->bpl * (dev->height >> 1),
401 				buf->bpl, 0,
402 				dev->height >> 1);
403 		break;
404 	case V4L2_FIELD_SEQ_BT:
405 		cx23885_risc_buffer(dev->pci, &buf->risc,
406 				sgt->sgl,
407 				buf->bpl * (dev->height >> 1), 0,
408 				buf->bpl, 0,
409 				dev->height >> 1);
410 		break;
411 	default:
412 		BUG();
413 	}
414 	dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
415 		buf, buf->vb.vb2_buf.index,
416 		dev->width, dev->height, dev->fmt->depth, dev->fmt->fourcc,
417 		(unsigned long)buf->risc.dma);
418 	return 0;
419 }
420 
421 static void buffer_finish(struct vb2_buffer *vb)
422 {
423 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
424 	struct cx23885_buffer *buf = container_of(vbuf,
425 		struct cx23885_buffer, vb);
426 
427 	cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
428 }
429 
430 /*
431  * The risc program for each buffer works as follows: it starts with a simple
432  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
433  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
434  * the initial JUMP).
435  *
436  * This is the risc program of the first buffer to be queued if the active list
437  * is empty and it just keeps DMAing this buffer without generating any
438  * interrupts.
439  *
440  * If a new buffer is added then the initial JUMP in the code for that buffer
441  * will generate an interrupt which signals that the previous buffer has been
442  * DMAed successfully and that it can be returned to userspace.
443  *
444  * It also sets the final jump of the previous buffer to the start of the new
445  * buffer, thus chaining the new buffer into the DMA chain. This is a single
446  * atomic u32 write, so there is no race condition.
447  *
448  * The end-result of all this that you only get an interrupt when a buffer
449  * is ready, so the control flow is very easy.
450  */
451 static void buffer_queue(struct vb2_buffer *vb)
452 {
453 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
454 	struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
455 	struct cx23885_buffer   *buf = container_of(vbuf,
456 		struct cx23885_buffer, vb);
457 	struct cx23885_buffer   *prev;
458 	struct cx23885_dmaqueue *q    = &dev->vidq;
459 	unsigned long flags;
460 
461 	/* add jump to start */
462 	buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
463 	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
464 	buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
465 	buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
466 
467 	spin_lock_irqsave(&dev->slock, flags);
468 	if (list_empty(&q->active)) {
469 		list_add_tail(&buf->queue, &q->active);
470 		dprintk(2, "[%p/%d] buffer_queue - first active\n",
471 			buf, buf->vb.vb2_buf.index);
472 	} else {
473 		buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
474 		prev = list_entry(q->active.prev, struct cx23885_buffer,
475 			queue);
476 		list_add_tail(&buf->queue, &q->active);
477 		prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
478 		dprintk(2, "[%p/%d] buffer_queue - append to active\n",
479 				buf, buf->vb.vb2_buf.index);
480 	}
481 	spin_unlock_irqrestore(&dev->slock, flags);
482 }
483 
484 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
485 {
486 	struct cx23885_dev *dev = q->drv_priv;
487 	struct cx23885_dmaqueue *dmaq = &dev->vidq;
488 	struct cx23885_buffer *buf = list_entry(dmaq->active.next,
489 			struct cx23885_buffer, queue);
490 
491 	cx23885_start_video_dma(dev, dmaq, buf);
492 	return 0;
493 }
494 
495 static void cx23885_stop_streaming(struct vb2_queue *q)
496 {
497 	struct cx23885_dev *dev = q->drv_priv;
498 	struct cx23885_dmaqueue *dmaq = &dev->vidq;
499 	unsigned long flags;
500 
501 	cx_clear(VID_A_DMA_CTL, 0x11);
502 	spin_lock_irqsave(&dev->slock, flags);
503 	while (!list_empty(&dmaq->active)) {
504 		struct cx23885_buffer *buf = list_entry(dmaq->active.next,
505 			struct cx23885_buffer, queue);
506 
507 		list_del(&buf->queue);
508 		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
509 	}
510 	spin_unlock_irqrestore(&dev->slock, flags);
511 }
512 
513 static const struct vb2_ops cx23885_video_qops = {
514 	.queue_setup    = queue_setup,
515 	.buf_prepare  = buffer_prepare,
516 	.buf_finish = buffer_finish,
517 	.buf_queue    = buffer_queue,
518 	.wait_prepare = vb2_ops_wait_prepare,
519 	.wait_finish = vb2_ops_wait_finish,
520 	.start_streaming = cx23885_start_streaming,
521 	.stop_streaming = cx23885_stop_streaming,
522 };
523 
524 /* ------------------------------------------------------------------ */
525 /* VIDEO IOCTLS                                                       */
526 
527 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
528 	struct v4l2_format *f)
529 {
530 	struct cx23885_dev *dev = video_drvdata(file);
531 
532 	f->fmt.pix.width        = dev->width;
533 	f->fmt.pix.height       = dev->height;
534 	f->fmt.pix.field        = dev->field;
535 	f->fmt.pix.pixelformat  = dev->fmt->fourcc;
536 	f->fmt.pix.bytesperline =
537 		(f->fmt.pix.width * dev->fmt->depth) >> 3;
538 	f->fmt.pix.sizeimage =
539 		f->fmt.pix.height * f->fmt.pix.bytesperline;
540 	f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
541 
542 	return 0;
543 }
544 
545 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
546 	struct v4l2_format *f)
547 {
548 	struct cx23885_dev *dev = video_drvdata(file);
549 	struct cx23885_fmt *fmt;
550 	enum v4l2_field   field;
551 	unsigned int      maxw, maxh;
552 
553 	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
554 	if (NULL == fmt)
555 		return -EINVAL;
556 
557 	field = f->fmt.pix.field;
558 	maxw  = 720;
559 	maxh  = norm_maxh(dev->tvnorm);
560 
561 	if (V4L2_FIELD_ANY == field) {
562 		field = (f->fmt.pix.height > maxh/2)
563 			? V4L2_FIELD_INTERLACED
564 			: V4L2_FIELD_BOTTOM;
565 	}
566 
567 	switch (field) {
568 	case V4L2_FIELD_TOP:
569 	case V4L2_FIELD_BOTTOM:
570 		maxh = maxh / 2;
571 		break;
572 	case V4L2_FIELD_INTERLACED:
573 	case V4L2_FIELD_SEQ_TB:
574 	case V4L2_FIELD_SEQ_BT:
575 		break;
576 	default:
577 		field = V4L2_FIELD_INTERLACED;
578 		break;
579 	}
580 
581 	f->fmt.pix.field = field;
582 	v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
583 			      &f->fmt.pix.height, 32, maxh, 0, 0);
584 	f->fmt.pix.bytesperline =
585 		(f->fmt.pix.width * fmt->depth) >> 3;
586 	f->fmt.pix.sizeimage =
587 		f->fmt.pix.height * f->fmt.pix.bytesperline;
588 	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
589 
590 	return 0;
591 }
592 
593 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
594 	struct v4l2_format *f)
595 {
596 	struct cx23885_dev *dev = video_drvdata(file);
597 	struct v4l2_subdev_format format = {
598 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
599 	};
600 	int err;
601 
602 	dprintk(2, "%s()\n", __func__);
603 	err = vidioc_try_fmt_vid_cap(file, priv, f);
604 
605 	if (0 != err)
606 		return err;
607 
608 	if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
609 	    vb2_is_busy(&dev->vb2_mpegq))
610 		return -EBUSY;
611 
612 	dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
613 	dev->width      = f->fmt.pix.width;
614 	dev->height     = f->fmt.pix.height;
615 	dev->field	= f->fmt.pix.field;
616 	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
617 		dev->width, dev->height, dev->field);
618 	v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
619 	call_all(dev, pad, set_fmt, NULL, &format);
620 	v4l2_fill_pix_format(&f->fmt.pix, &format.format);
621 	/* set_fmt overwrites f->fmt.pix.field, restore it */
622 	f->fmt.pix.field = dev->field;
623 	return 0;
624 }
625 
626 static int vidioc_querycap(struct file *file, void  *priv,
627 	struct v4l2_capability *cap)
628 {
629 	struct cx23885_dev *dev = video_drvdata(file);
630 
631 	strscpy(cap->driver, "cx23885", sizeof(cap->driver));
632 	strscpy(cap->card, cx23885_boards[dev->board].name,
633 		sizeof(cap->card));
634 	sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
635 	cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
636 			    V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE |
637 			    V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
638 			    V4L2_CAP_DEVICE_CAPS;
639 	if (dev->tuner_type != TUNER_ABSENT)
640 		cap->capabilities |= V4L2_CAP_TUNER;
641 	return 0;
642 }
643 
644 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
645 	struct v4l2_fmtdesc *f)
646 {
647 	if (unlikely(f->index >= ARRAY_SIZE(formats)))
648 		return -EINVAL;
649 
650 	f->pixelformat = formats[f->index].fourcc;
651 
652 	return 0;
653 }
654 
655 static int vidioc_g_pixelaspect(struct file *file, void *priv,
656 				int type, struct v4l2_fract *f)
657 {
658 	struct cx23885_dev *dev = video_drvdata(file);
659 	bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
660 
661 	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
662 		return -EINVAL;
663 
664 	f->numerator = is_50hz ? 54 : 11;
665 	f->denominator = is_50hz ? 59 : 10;
666 
667 	return 0;
668 }
669 
670 static int vidioc_g_selection(struct file *file, void *fh,
671 			      struct v4l2_selection *sel)
672 {
673 	struct cx23885_dev *dev = video_drvdata(file);
674 
675 	if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
676 		return -EINVAL;
677 
678 	switch (sel->target) {
679 	case V4L2_SEL_TGT_CROP_BOUNDS:
680 	case V4L2_SEL_TGT_CROP_DEFAULT:
681 		sel->r.top = 0;
682 		sel->r.left = 0;
683 		sel->r.width = 720;
684 		sel->r.height = norm_maxh(dev->tvnorm);
685 		break;
686 	default:
687 		return -EINVAL;
688 	}
689 	return 0;
690 }
691 
692 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
693 {
694 	struct cx23885_dev *dev = video_drvdata(file);
695 	dprintk(1, "%s()\n", __func__);
696 
697 	*id = dev->tvnorm;
698 	return 0;
699 }
700 
701 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
702 {
703 	struct cx23885_dev *dev = video_drvdata(file);
704 	dprintk(1, "%s()\n", __func__);
705 
706 	return cx23885_set_tvnorm(dev, tvnorms);
707 }
708 
709 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
710 {
711 	static const char *iname[] = {
712 		[CX23885_VMUX_COMPOSITE1] = "Composite1",
713 		[CX23885_VMUX_COMPOSITE2] = "Composite2",
714 		[CX23885_VMUX_COMPOSITE3] = "Composite3",
715 		[CX23885_VMUX_COMPOSITE4] = "Composite4",
716 		[CX23885_VMUX_SVIDEO]     = "S-Video",
717 		[CX23885_VMUX_COMPONENT]  = "Component",
718 		[CX23885_VMUX_TELEVISION] = "Television",
719 		[CX23885_VMUX_CABLE]      = "Cable TV",
720 		[CX23885_VMUX_DVB]        = "DVB",
721 		[CX23885_VMUX_DEBUG]      = "for debug only",
722 	};
723 	unsigned int n;
724 	dprintk(1, "%s()\n", __func__);
725 
726 	n = i->index;
727 	if (n >= MAX_CX23885_INPUT)
728 		return -EINVAL;
729 
730 	if (0 == INPUT(n)->type)
731 		return -EINVAL;
732 
733 	i->index = n;
734 	i->type  = V4L2_INPUT_TYPE_CAMERA;
735 	strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name));
736 	i->std = CX23885_NORMS;
737 	if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
738 		(CX23885_VMUX_CABLE == INPUT(n)->type)) {
739 		i->type = V4L2_INPUT_TYPE_TUNER;
740 		i->audioset = 4;
741 	} else {
742 		/* Two selectable audio inputs for non-tv inputs */
743 		i->audioset = 3;
744 	}
745 
746 	if (dev->input == n) {
747 		/* enum'd input matches our configured input.
748 		 * Ask the video decoder to process the call
749 		 * and give it an oppertunity to update the
750 		 * status field.
751 		 */
752 		call_all(dev, video, g_input_status, &i->status);
753 	}
754 
755 	return 0;
756 }
757 
758 static int vidioc_enum_input(struct file *file, void *priv,
759 				struct v4l2_input *i)
760 {
761 	struct cx23885_dev *dev = video_drvdata(file);
762 	dprintk(1, "%s()\n", __func__);
763 	return cx23885_enum_input(dev, i);
764 }
765 
766 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
767 {
768 	struct cx23885_dev *dev = video_drvdata(file);
769 
770 	*i = dev->input;
771 	dprintk(1, "%s() returns %d\n", __func__, *i);
772 	return 0;
773 }
774 
775 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
776 {
777 	return cx23885_get_input(file, priv, i);
778 }
779 
780 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
781 {
782 	struct cx23885_dev *dev = video_drvdata(file);
783 
784 	dprintk(1, "%s(%d)\n", __func__, i);
785 
786 	if (i >= MAX_CX23885_INPUT) {
787 		dprintk(1, "%s() -EINVAL\n", __func__);
788 		return -EINVAL;
789 	}
790 
791 	if (INPUT(i)->type == 0)
792 		return -EINVAL;
793 
794 	cx23885_video_mux(dev, i);
795 
796 	/* By default establish the default audio input for the card also */
797 	/* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
798 	cx23885_audio_mux(dev, i);
799 	return 0;
800 }
801 
802 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
803 {
804 	return cx23885_set_input(file, priv, i);
805 }
806 
807 static int vidioc_log_status(struct file *file, void *priv)
808 {
809 	struct cx23885_dev *dev = video_drvdata(file);
810 
811 	call_all(dev, core, log_status);
812 	return 0;
813 }
814 
815 static int cx23885_query_audinput(struct file *file, void *priv,
816 	struct v4l2_audio *i)
817 {
818 	static const char *iname[] = {
819 		[0] = "Baseband L/R 1",
820 		[1] = "Baseband L/R 2",
821 		[2] = "TV",
822 	};
823 	unsigned int n;
824 	dprintk(1, "%s()\n", __func__);
825 
826 	n = i->index;
827 	if (n >= 3)
828 		return -EINVAL;
829 
830 	memset(i, 0, sizeof(*i));
831 	i->index = n;
832 	strscpy(i->name, iname[n], sizeof(i->name));
833 	i->capability = V4L2_AUDCAP_STEREO;
834 	return 0;
835 
836 }
837 
838 static int vidioc_enum_audinput(struct file *file, void *priv,
839 				struct v4l2_audio *i)
840 {
841 	return cx23885_query_audinput(file, priv, i);
842 }
843 
844 static int vidioc_g_audinput(struct file *file, void *priv,
845 	struct v4l2_audio *i)
846 {
847 	struct cx23885_dev *dev = video_drvdata(file);
848 
849 	if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
850 		(CX23885_VMUX_CABLE == INPUT(dev->input)->type))
851 		i->index = 2;
852 	else
853 		i->index = dev->audinput;
854 	dprintk(1, "%s(input=%d)\n", __func__, i->index);
855 
856 	return cx23885_query_audinput(file, priv, i);
857 }
858 
859 static int vidioc_s_audinput(struct file *file, void *priv,
860 	const struct v4l2_audio *i)
861 {
862 	struct cx23885_dev *dev = video_drvdata(file);
863 
864 	if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
865 		(CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
866 		return i->index != 2 ? -EINVAL : 0;
867 	}
868 	if (i->index > 1)
869 		return -EINVAL;
870 
871 	dprintk(1, "%s(%d)\n", __func__, i->index);
872 
873 	dev->audinput = i->index;
874 
875 	/* Skip the audio defaults from the cards struct, caller wants
876 	 * directly touch the audio mux hardware. */
877 	cx23885_flatiron_mux(dev, dev->audinput + 1);
878 	return 0;
879 }
880 
881 static int vidioc_g_tuner(struct file *file, void *priv,
882 				struct v4l2_tuner *t)
883 {
884 	struct cx23885_dev *dev = video_drvdata(file);
885 
886 	if (dev->tuner_type == TUNER_ABSENT)
887 		return -EINVAL;
888 	if (0 != t->index)
889 		return -EINVAL;
890 
891 	strscpy(t->name, "Television", sizeof(t->name));
892 
893 	call_all(dev, tuner, g_tuner, t);
894 	return 0;
895 }
896 
897 static int vidioc_s_tuner(struct file *file, void *priv,
898 				const struct v4l2_tuner *t)
899 {
900 	struct cx23885_dev *dev = video_drvdata(file);
901 
902 	if (dev->tuner_type == TUNER_ABSENT)
903 		return -EINVAL;
904 	if (0 != t->index)
905 		return -EINVAL;
906 	/* Update the A/V core */
907 	call_all(dev, tuner, s_tuner, t);
908 
909 	return 0;
910 }
911 
912 static int vidioc_g_frequency(struct file *file, void *priv,
913 				struct v4l2_frequency *f)
914 {
915 	struct cx23885_dev *dev = video_drvdata(file);
916 
917 	if (dev->tuner_type == TUNER_ABSENT)
918 		return -EINVAL;
919 
920 	f->type = V4L2_TUNER_ANALOG_TV;
921 	f->frequency = dev->freq;
922 
923 	call_all(dev, tuner, g_frequency, f);
924 
925 	return 0;
926 }
927 
928 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
929 {
930 	struct v4l2_ctrl *mute;
931 	int old_mute_val = 1;
932 
933 	if (dev->tuner_type == TUNER_ABSENT)
934 		return -EINVAL;
935 	if (unlikely(f->tuner != 0))
936 		return -EINVAL;
937 
938 	dev->freq = f->frequency;
939 
940 	/* I need to mute audio here */
941 	mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
942 	if (mute) {
943 		old_mute_val = v4l2_ctrl_g_ctrl(mute);
944 		if (!old_mute_val)
945 			v4l2_ctrl_s_ctrl(mute, 1);
946 	}
947 
948 	call_all(dev, tuner, s_frequency, f);
949 
950 	/* When changing channels it is required to reset TVAUDIO */
951 	msleep(100);
952 
953 	/* I need to unmute audio here */
954 	if (old_mute_val == 0)
955 		v4l2_ctrl_s_ctrl(mute, old_mute_val);
956 
957 	return 0;
958 }
959 
960 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
961 	const struct v4l2_frequency *f)
962 {
963 	struct v4l2_ctrl *mute;
964 	int old_mute_val = 1;
965 	struct vb2_dvb_frontend *vfe;
966 	struct dvb_frontend *fe;
967 
968 	struct analog_parameters params = {
969 		.mode      = V4L2_TUNER_ANALOG_TV,
970 		.audmode   = V4L2_TUNER_MODE_STEREO,
971 		.std       = dev->tvnorm,
972 		.frequency = f->frequency
973 	};
974 
975 	dev->freq = f->frequency;
976 
977 	/* I need to mute audio here */
978 	mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
979 	if (mute) {
980 		old_mute_val = v4l2_ctrl_g_ctrl(mute);
981 		if (!old_mute_val)
982 			v4l2_ctrl_s_ctrl(mute, 1);
983 	}
984 
985 	/* If HVR1850 */
986 	dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
987 		params.frequency, f->tuner, params.std);
988 
989 	vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
990 	if (!vfe) {
991 		return -EINVAL;
992 	}
993 
994 	fe = vfe->dvb.frontend;
995 
996 	if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
997 	    (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
998 	    (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
999 	    (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4))
1000 		fe = &dev->ts1.analog_fe;
1001 
1002 	if (fe && fe->ops.tuner_ops.set_analog_params) {
1003 		call_all(dev, video, s_std, dev->tvnorm);
1004 		fe->ops.tuner_ops.set_analog_params(fe, &params);
1005 	}
1006 	else
1007 		pr_err("%s() No analog tuner, aborting\n", __func__);
1008 
1009 	/* When changing channels it is required to reset TVAUDIO */
1010 	msleep(100);
1011 
1012 	/* I need to unmute audio here */
1013 	if (old_mute_val == 0)
1014 		v4l2_ctrl_s_ctrl(mute, old_mute_val);
1015 
1016 	return 0;
1017 }
1018 
1019 int cx23885_set_frequency(struct file *file, void *priv,
1020 	const struct v4l2_frequency *f)
1021 {
1022 	struct cx23885_dev *dev = video_drvdata(file);
1023 	int ret;
1024 
1025 	switch (dev->board) {
1026 	case CX23885_BOARD_HAUPPAUGE_HVR1255:
1027 	case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1028 	case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1029 	case CX23885_BOARD_HAUPPAUGE_HVR1850:
1030 		ret = cx23885_set_freq_via_ops(dev, f);
1031 		break;
1032 	default:
1033 		ret = cx23885_set_freq(dev, f);
1034 	}
1035 
1036 	return ret;
1037 }
1038 
1039 static int vidioc_s_frequency(struct file *file, void *priv,
1040 	const struct v4l2_frequency *f)
1041 {
1042 	return cx23885_set_frequency(file, priv, f);
1043 }
1044 
1045 /* ----------------------------------------------------------- */
1046 
1047 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1048 {
1049 	u32 mask, count;
1050 	int handled = 0;
1051 
1052 	mask   = cx_read(VID_A_INT_MSK);
1053 	if (0 == (status & mask))
1054 		return handled;
1055 
1056 	cx_write(VID_A_INT_STAT, status);
1057 
1058 	/* risc op code error, fifo overflow or line sync detection error */
1059 	if ((status & VID_BC_MSK_OPC_ERR) ||
1060 		(status & VID_BC_MSK_SYNC) ||
1061 		(status & VID_BC_MSK_OF)) {
1062 
1063 		if (status & VID_BC_MSK_OPC_ERR) {
1064 			dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1065 				VID_BC_MSK_OPC_ERR);
1066 			pr_warn("%s: video risc op code error\n",
1067 				dev->name);
1068 			cx23885_sram_channel_dump(dev,
1069 				&dev->sram_channels[SRAM_CH01]);
1070 		}
1071 
1072 		if (status & VID_BC_MSK_SYNC)
1073 			dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n",
1074 				VID_BC_MSK_SYNC);
1075 
1076 		if (status & VID_BC_MSK_OF)
1077 			dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1078 				VID_BC_MSK_OF);
1079 
1080 	}
1081 
1082 	/* Video */
1083 	if (status & VID_BC_MSK_RISCI1) {
1084 		spin_lock(&dev->slock);
1085 		count = cx_read(VID_A_GPCNT);
1086 		cx23885_video_wakeup(dev, &dev->vidq, count);
1087 		spin_unlock(&dev->slock);
1088 		handled++;
1089 	}
1090 
1091 	/* Allow the VBI framework to process it's payload */
1092 	handled += cx23885_vbi_irq(dev, status);
1093 
1094 	return handled;
1095 }
1096 
1097 /* ----------------------------------------------------------- */
1098 /* exported stuff                                              */
1099 
1100 static const struct v4l2_file_operations video_fops = {
1101 	.owner	       = THIS_MODULE,
1102 	.open           = v4l2_fh_open,
1103 	.release        = vb2_fop_release,
1104 	.read           = vb2_fop_read,
1105 	.poll		= vb2_fop_poll,
1106 	.unlocked_ioctl = video_ioctl2,
1107 	.mmap           = vb2_fop_mmap,
1108 };
1109 
1110 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1111 	.vidioc_querycap      = vidioc_querycap,
1112 	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1113 	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1114 	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1115 	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1116 	.vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1117 	.vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1118 	.vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1119 	.vidioc_reqbufs       = vb2_ioctl_reqbufs,
1120 	.vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1121 	.vidioc_querybuf      = vb2_ioctl_querybuf,
1122 	.vidioc_qbuf          = vb2_ioctl_qbuf,
1123 	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
1124 	.vidioc_streamon      = vb2_ioctl_streamon,
1125 	.vidioc_streamoff     = vb2_ioctl_streamoff,
1126 	.vidioc_g_pixelaspect = vidioc_g_pixelaspect,
1127 	.vidioc_g_selection   = vidioc_g_selection,
1128 	.vidioc_s_std         = vidioc_s_std,
1129 	.vidioc_g_std         = vidioc_g_std,
1130 	.vidioc_enum_input    = vidioc_enum_input,
1131 	.vidioc_g_input       = vidioc_g_input,
1132 	.vidioc_s_input       = vidioc_s_input,
1133 	.vidioc_log_status    = vidioc_log_status,
1134 	.vidioc_g_tuner       = vidioc_g_tuner,
1135 	.vidioc_s_tuner       = vidioc_s_tuner,
1136 	.vidioc_g_frequency   = vidioc_g_frequency,
1137 	.vidioc_s_frequency   = vidioc_s_frequency,
1138 #ifdef CONFIG_VIDEO_ADV_DEBUG
1139 	.vidioc_g_chip_info   = cx23885_g_chip_info,
1140 	.vidioc_g_register    = cx23885_g_register,
1141 	.vidioc_s_register    = cx23885_s_register,
1142 #endif
1143 	.vidioc_enumaudio     = vidioc_enum_audinput,
1144 	.vidioc_g_audio       = vidioc_g_audinput,
1145 	.vidioc_s_audio       = vidioc_s_audinput,
1146 	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1147 	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1148 };
1149 
1150 static struct video_device cx23885_vbi_template;
1151 static struct video_device cx23885_video_template = {
1152 	.name                 = "cx23885-video",
1153 	.fops                 = &video_fops,
1154 	.ioctl_ops	      = &video_ioctl_ops,
1155 	.tvnorms              = CX23885_NORMS,
1156 };
1157 
1158 void cx23885_video_unregister(struct cx23885_dev *dev)
1159 {
1160 	dprintk(1, "%s()\n", __func__);
1161 	cx23885_irq_remove(dev, 0x01);
1162 
1163 	if (dev->vbi_dev) {
1164 		if (video_is_registered(dev->vbi_dev))
1165 			video_unregister_device(dev->vbi_dev);
1166 		else
1167 			video_device_release(dev->vbi_dev);
1168 		dev->vbi_dev = NULL;
1169 	}
1170 	if (dev->video_dev) {
1171 		if (video_is_registered(dev->video_dev))
1172 			video_unregister_device(dev->video_dev);
1173 		else
1174 			video_device_release(dev->video_dev);
1175 		dev->video_dev = NULL;
1176 	}
1177 
1178 	if (dev->audio_dev)
1179 		cx23885_audio_unregister(dev);
1180 }
1181 
1182 int cx23885_video_register(struct cx23885_dev *dev)
1183 {
1184 	struct vb2_queue *q;
1185 	int err;
1186 
1187 	dprintk(1, "%s()\n", __func__);
1188 
1189 	/* Initialize VBI template */
1190 	cx23885_vbi_template = cx23885_video_template;
1191 	strscpy(cx23885_vbi_template.name, "cx23885-vbi",
1192 		sizeof(cx23885_vbi_template.name));
1193 
1194 	dev->tvnorm = V4L2_STD_NTSC_M;
1195 	dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1196 	dev->field = V4L2_FIELD_INTERLACED;
1197 	dev->width = 720;
1198 	dev->height = norm_maxh(dev->tvnorm);
1199 
1200 	/* init video dma queues */
1201 	INIT_LIST_HEAD(&dev->vidq.active);
1202 
1203 	/* init vbi dma queues */
1204 	INIT_LIST_HEAD(&dev->vbiq.active);
1205 
1206 	cx23885_irq_add_enable(dev, 0x01);
1207 
1208 	if ((TUNER_ABSENT != dev->tuner_type) &&
1209 			((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1210 		struct v4l2_subdev *sd = NULL;
1211 
1212 		if (dev->tuner_addr)
1213 			sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1214 				&dev->i2c_bus[dev->tuner_bus].i2c_adap,
1215 				"tuner", dev->tuner_addr, NULL);
1216 		else
1217 			sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1218 				&dev->i2c_bus[dev->tuner_bus].i2c_adap,
1219 				"tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1220 		if (sd) {
1221 			struct tuner_setup tun_setup;
1222 
1223 			memset(&tun_setup, 0, sizeof(tun_setup));
1224 			tun_setup.mode_mask = T_ANALOG_TV;
1225 			tun_setup.type = dev->tuner_type;
1226 			tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1227 			tun_setup.tuner_callback = cx23885_tuner_callback;
1228 
1229 			v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1230 
1231 			if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1232 			    (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1233 				struct xc2028_ctrl ctrl = {
1234 					.fname = XC2028_DEFAULT_FIRMWARE,
1235 					.max_len = 64
1236 				};
1237 				struct v4l2_priv_tun_config cfg = {
1238 					.tuner = dev->tuner_type,
1239 					.priv = &ctrl
1240 				};
1241 				v4l2_subdev_call(sd, tuner, s_config, &cfg);
1242 			}
1243 
1244 			if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1245 				struct xc2028_ctrl ctrl = {
1246 					.fname = "xc3028L-v36.fw",
1247 					.max_len = 64
1248 				};
1249 				struct v4l2_priv_tun_config cfg = {
1250 					.tuner = dev->tuner_type,
1251 					.priv = &ctrl
1252 				};
1253 				v4l2_subdev_call(sd, tuner, s_config, &cfg);
1254 			}
1255 		}
1256 	}
1257 
1258 	/* initial device configuration */
1259 	mutex_lock(&dev->lock);
1260 	cx23885_set_tvnorm(dev, dev->tvnorm);
1261 	cx23885_video_mux(dev, 0);
1262 	cx23885_audio_mux(dev, 0);
1263 	mutex_unlock(&dev->lock);
1264 
1265 	q = &dev->vb2_vidq;
1266 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1267 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1268 	q->gfp_flags = GFP_DMA32;
1269 	q->min_buffers_needed = 2;
1270 	q->drv_priv = dev;
1271 	q->buf_struct_size = sizeof(struct cx23885_buffer);
1272 	q->ops = &cx23885_video_qops;
1273 	q->mem_ops = &vb2_dma_sg_memops;
1274 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1275 	q->lock = &dev->lock;
1276 	q->dev = &dev->pci->dev;
1277 
1278 	err = vb2_queue_init(q);
1279 	if (err < 0)
1280 		goto fail_unreg;
1281 
1282 	q = &dev->vb2_vbiq;
1283 	q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1284 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1285 	q->gfp_flags = GFP_DMA32;
1286 	q->min_buffers_needed = 2;
1287 	q->drv_priv = dev;
1288 	q->buf_struct_size = sizeof(struct cx23885_buffer);
1289 	q->ops = &cx23885_vbi_qops;
1290 	q->mem_ops = &vb2_dma_sg_memops;
1291 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1292 	q->lock = &dev->lock;
1293 	q->dev = &dev->pci->dev;
1294 
1295 	err = vb2_queue_init(q);
1296 	if (err < 0)
1297 		goto fail_unreg;
1298 
1299 	/* register Video device */
1300 	dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1301 		&cx23885_video_template, "video");
1302 	dev->video_dev->queue = &dev->vb2_vidq;
1303 	dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1304 				      V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE;
1305 	if (dev->tuner_type != TUNER_ABSENT)
1306 		dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1307 	err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1308 				    video_nr[dev->nr]);
1309 	if (err < 0) {
1310 		pr_info("%s: can't register video device\n",
1311 			dev->name);
1312 		goto fail_unreg;
1313 	}
1314 	pr_info("%s: registered device %s [v4l2]\n",
1315 	       dev->name, video_device_node_name(dev->video_dev));
1316 
1317 	/* register VBI device */
1318 	dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1319 		&cx23885_vbi_template, "vbi");
1320 	dev->vbi_dev->queue = &dev->vb2_vbiq;
1321 	dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1322 				    V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE;
1323 	if (dev->tuner_type != TUNER_ABSENT)
1324 		dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1325 	err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1326 				    vbi_nr[dev->nr]);
1327 	if (err < 0) {
1328 		pr_info("%s: can't register vbi device\n",
1329 			dev->name);
1330 		goto fail_unreg;
1331 	}
1332 	pr_info("%s: registered device %s\n",
1333 	       dev->name, video_device_node_name(dev->vbi_dev));
1334 
1335 	/* Register ALSA audio device */
1336 	dev->audio_dev = cx23885_audio_register(dev);
1337 
1338 	return 0;
1339 
1340 fail_unreg:
1341 	cx23885_video_unregister(dev);
1342 	return err;
1343 }
1344