71a80e2b842ca9c395cb4a000f77ae482fb57dbc
[sfrench/cifs-2.6.git] / drivers / media / pci / cx23885 / cx23885-video.c
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.sequence = q->count++;
108         v4l2_get_timestamp(&buf->vb.timestamp);
109         dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
110                         buf->vb.vb2_buf.index, count, q->count);
111         list_del(&buf->queue);
112         vb2_buffer_done(&buf->vb.vb2_buf, 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 void *parg,
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 vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
333         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
334         struct cx23885_buffer *buf =
335                 container_of(vbuf, struct cx23885_buffer, vb);
336         u32 line0_offset, line1_offset;
337         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
338         int field_tff;
339
340         buf->bpl = (dev->width * dev->fmt->depth) >> 3;
341
342         if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
343                 return -EINVAL;
344         vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
345
346         switch (dev->field) {
347         case V4L2_FIELD_TOP:
348                 cx23885_risc_buffer(dev->pci, &buf->risc,
349                                 sgt->sgl, 0, UNSET,
350                                 buf->bpl, 0, dev->height);
351                 break;
352         case V4L2_FIELD_BOTTOM:
353                 cx23885_risc_buffer(dev->pci, &buf->risc,
354                                 sgt->sgl, UNSET, 0,
355                                 buf->bpl, 0, dev->height);
356                 break;
357         case V4L2_FIELD_INTERLACED:
358                 if (dev->tvnorm & V4L2_STD_525_60)
359                         /* NTSC or  */
360                         field_tff = 1;
361                 else
362                         field_tff = 0;
363
364                 if (cx23885_boards[dev->board].force_bff)
365                         /* PAL / SECAM OR 888 in NTSC MODE */
366                         field_tff = 0;
367
368                 if (field_tff) {
369                         /* cx25840 transmits NTSC bottom field first */
370                         dprintk(1, "%s() Creating TFF/NTSC risc\n",
371                                         __func__);
372                         line0_offset = buf->bpl;
373                         line1_offset = 0;
374                 } else {
375                         /* All other formats are top field first */
376                         dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
377                                         __func__);
378                         line0_offset = 0;
379                         line1_offset = buf->bpl;
380                 }
381                 cx23885_risc_buffer(dev->pci, &buf->risc,
382                                 sgt->sgl, line0_offset,
383                                 line1_offset,
384                                 buf->bpl, buf->bpl,
385                                 dev->height >> 1);
386                 break;
387         case V4L2_FIELD_SEQ_TB:
388                 cx23885_risc_buffer(dev->pci, &buf->risc,
389                                 sgt->sgl,
390                                 0, buf->bpl * (dev->height >> 1),
391                                 buf->bpl, 0,
392                                 dev->height >> 1);
393                 break;
394         case V4L2_FIELD_SEQ_BT:
395                 cx23885_risc_buffer(dev->pci, &buf->risc,
396                                 sgt->sgl,
397                                 buf->bpl * (dev->height >> 1), 0,
398                                 buf->bpl, 0,
399                                 dev->height >> 1);
400                 break;
401         default:
402                 BUG();
403         }
404         dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
405                 buf, buf->vb.vb2_buf.index,
406                 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
407                 (unsigned long)buf->risc.dma);
408         return 0;
409 }
410
411 static void buffer_finish(struct vb2_buffer *vb)
412 {
413         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
414         struct cx23885_buffer *buf = container_of(vbuf,
415                 struct cx23885_buffer, vb);
416
417         cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
418 }
419
420 /*
421  * The risc program for each buffer works as follows: it starts with a simple
422  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
423  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
424  * the initial JUMP).
425  *
426  * This is the risc program of the first buffer to be queued if the active list
427  * is empty and it just keeps DMAing this buffer without generating any
428  * interrupts.
429  *
430  * If a new buffer is added then the initial JUMP in the code for that buffer
431  * will generate an interrupt which signals that the previous buffer has been
432  * DMAed successfully and that it can be returned to userspace.
433  *
434  * It also sets the final jump of the previous buffer to the start of the new
435  * buffer, thus chaining the new buffer into the DMA chain. This is a single
436  * atomic u32 write, so there is no race condition.
437  *
438  * The end-result of all this that you only get an interrupt when a buffer
439  * is ready, so the control flow is very easy.
440  */
441 static void buffer_queue(struct vb2_buffer *vb)
442 {
443         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
444         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
445         struct cx23885_buffer   *buf = container_of(vbuf,
446                 struct cx23885_buffer, vb);
447         struct cx23885_buffer   *prev;
448         struct cx23885_dmaqueue *q    = &dev->vidq;
449         unsigned long flags;
450
451         /* add jump to start */
452         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
453         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
454         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
455         buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
456
457         spin_lock_irqsave(&dev->slock, flags);
458         if (list_empty(&q->active)) {
459                 list_add_tail(&buf->queue, &q->active);
460                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
461                         buf, buf->vb.vb2_buf.index);
462         } else {
463                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
464                 prev = list_entry(q->active.prev, struct cx23885_buffer,
465                         queue);
466                 list_add_tail(&buf->queue, &q->active);
467                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
468                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
469                                 buf, buf->vb.vb2_buf.index);
470         }
471         spin_unlock_irqrestore(&dev->slock, flags);
472 }
473
474 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
475 {
476         struct cx23885_dev *dev = q->drv_priv;
477         struct cx23885_dmaqueue *dmaq = &dev->vidq;
478         struct cx23885_buffer *buf = list_entry(dmaq->active.next,
479                         struct cx23885_buffer, queue);
480
481         cx23885_start_video_dma(dev, dmaq, buf);
482         return 0;
483 }
484
485 static void cx23885_stop_streaming(struct vb2_queue *q)
486 {
487         struct cx23885_dev *dev = q->drv_priv;
488         struct cx23885_dmaqueue *dmaq = &dev->vidq;
489         unsigned long flags;
490
491         cx_clear(VID_A_DMA_CTL, 0x11);
492         spin_lock_irqsave(&dev->slock, flags);
493         while (!list_empty(&dmaq->active)) {
494                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
495                         struct cx23885_buffer, queue);
496
497                 list_del(&buf->queue);
498                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
499         }
500         spin_unlock_irqrestore(&dev->slock, flags);
501 }
502
503 static struct vb2_ops cx23885_video_qops = {
504         .queue_setup    = queue_setup,
505         .buf_prepare  = buffer_prepare,
506         .buf_finish = buffer_finish,
507         .buf_queue    = buffer_queue,
508         .wait_prepare = vb2_ops_wait_prepare,
509         .wait_finish = vb2_ops_wait_finish,
510         .start_streaming = cx23885_start_streaming,
511         .stop_streaming = cx23885_stop_streaming,
512 };
513
514 /* ------------------------------------------------------------------ */
515 /* VIDEO IOCTLS                                                       */
516
517 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
518         struct v4l2_format *f)
519 {
520         struct cx23885_dev *dev = video_drvdata(file);
521
522         f->fmt.pix.width        = dev->width;
523         f->fmt.pix.height       = dev->height;
524         f->fmt.pix.field        = dev->field;
525         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
526         f->fmt.pix.bytesperline =
527                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
528         f->fmt.pix.sizeimage =
529                 f->fmt.pix.height * f->fmt.pix.bytesperline;
530         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
531
532         return 0;
533 }
534
535 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
536         struct v4l2_format *f)
537 {
538         struct cx23885_dev *dev = video_drvdata(file);
539         struct cx23885_fmt *fmt;
540         enum v4l2_field   field;
541         unsigned int      maxw, maxh;
542
543         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
544         if (NULL == fmt)
545                 return -EINVAL;
546
547         field = f->fmt.pix.field;
548         maxw  = norm_maxw(dev->tvnorm);
549         maxh  = norm_maxh(dev->tvnorm);
550
551         if (V4L2_FIELD_ANY == field) {
552                 field = (f->fmt.pix.height > maxh/2)
553                         ? V4L2_FIELD_INTERLACED
554                         : V4L2_FIELD_BOTTOM;
555         }
556
557         switch (field) {
558         case V4L2_FIELD_TOP:
559         case V4L2_FIELD_BOTTOM:
560                 maxh = maxh / 2;
561                 break;
562         case V4L2_FIELD_INTERLACED:
563         case V4L2_FIELD_SEQ_TB:
564         case V4L2_FIELD_SEQ_BT:
565                 break;
566         default:
567                 field = V4L2_FIELD_INTERLACED;
568                 break;
569         }
570
571         f->fmt.pix.field = field;
572         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
573                               &f->fmt.pix.height, 32, maxh, 0, 0);
574         f->fmt.pix.bytesperline =
575                 (f->fmt.pix.width * fmt->depth) >> 3;
576         f->fmt.pix.sizeimage =
577                 f->fmt.pix.height * f->fmt.pix.bytesperline;
578         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
579
580         return 0;
581 }
582
583 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
584         struct v4l2_format *f)
585 {
586         struct cx23885_dev *dev = video_drvdata(file);
587         struct v4l2_subdev_format format = {
588                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
589         };
590         int err;
591
592         dprintk(2, "%s()\n", __func__);
593         err = vidioc_try_fmt_vid_cap(file, priv, f);
594
595         if (0 != err)
596                 return err;
597
598         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
599             vb2_is_busy(&dev->vb2_mpegq))
600                 return -EBUSY;
601
602         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
603         dev->width      = f->fmt.pix.width;
604         dev->height     = f->fmt.pix.height;
605         dev->field      = f->fmt.pix.field;
606         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
607                 dev->width, dev->height, dev->field);
608         v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
609         call_all(dev, pad, set_fmt, NULL, &format);
610         v4l2_fill_pix_format(&f->fmt.pix, &format.format);
611         /* set_fmt overwrites f->fmt.pix.field, restore it */
612         f->fmt.pix.field = dev->field;
613         return 0;
614 }
615
616 static int vidioc_querycap(struct file *file, void  *priv,
617         struct v4l2_capability *cap)
618 {
619         struct cx23885_dev *dev = video_drvdata(file);
620         struct video_device *vdev = video_devdata(file);
621
622         strcpy(cap->driver, "cx23885");
623         strlcpy(cap->card, cx23885_boards[dev->board].name,
624                 sizeof(cap->card));
625         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
626         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO;
627         if (dev->tuner_type != TUNER_ABSENT)
628                 cap->device_caps |= V4L2_CAP_TUNER;
629         if (vdev->vfl_type == VFL_TYPE_VBI)
630                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
631         else
632                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
633         cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
634                 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS;
635         return 0;
636 }
637
638 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
639         struct v4l2_fmtdesc *f)
640 {
641         if (unlikely(f->index >= ARRAY_SIZE(formats)))
642                 return -EINVAL;
643
644         strlcpy(f->description, formats[f->index].name,
645                 sizeof(f->description));
646         f->pixelformat = formats[f->index].fourcc;
647
648         return 0;
649 }
650
651 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
652 {
653         struct cx23885_dev *dev = video_drvdata(file);
654         dprintk(1, "%s()\n", __func__);
655
656         *id = dev->tvnorm;
657         return 0;
658 }
659
660 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
661 {
662         struct cx23885_dev *dev = video_drvdata(file);
663         dprintk(1, "%s()\n", __func__);
664
665         return cx23885_set_tvnorm(dev, tvnorms);
666 }
667
668 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
669 {
670         static const char *iname[] = {
671                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
672                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
673                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
674                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
675                 [CX23885_VMUX_SVIDEO]     = "S-Video",
676                 [CX23885_VMUX_COMPONENT]  = "Component",
677                 [CX23885_VMUX_TELEVISION] = "Television",
678                 [CX23885_VMUX_CABLE]      = "Cable TV",
679                 [CX23885_VMUX_DVB]        = "DVB",
680                 [CX23885_VMUX_DEBUG]      = "for debug only",
681         };
682         unsigned int n;
683         dprintk(1, "%s()\n", __func__);
684
685         n = i->index;
686         if (n >= MAX_CX23885_INPUT)
687                 return -EINVAL;
688
689         if (0 == INPUT(n)->type)
690                 return -EINVAL;
691
692         i->index = n;
693         i->type  = V4L2_INPUT_TYPE_CAMERA;
694         strcpy(i->name, iname[INPUT(n)->type]);
695         i->std = CX23885_NORMS;
696         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
697                 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
698                 i->type = V4L2_INPUT_TYPE_TUNER;
699                 i->audioset = 4;
700         } else {
701                 /* Two selectable audio inputs for non-tv inputs */
702                 i->audioset = 3;
703         }
704
705         if (dev->input == n) {
706                 /* enum'd input matches our configured input.
707                  * Ask the video decoder to process the call
708                  * and give it an oppertunity to update the
709                  * status field.
710                  */
711                 call_all(dev, video, g_input_status, &i->status);
712         }
713
714         return 0;
715 }
716
717 static int vidioc_enum_input(struct file *file, void *priv,
718                                 struct v4l2_input *i)
719 {
720         struct cx23885_dev *dev = video_drvdata(file);
721         dprintk(1, "%s()\n", __func__);
722         return cx23885_enum_input(dev, i);
723 }
724
725 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
726 {
727         struct cx23885_dev *dev = video_drvdata(file);
728
729         *i = dev->input;
730         dprintk(1, "%s() returns %d\n", __func__, *i);
731         return 0;
732 }
733
734 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
735 {
736         return cx23885_get_input(file, priv, i);
737 }
738
739 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
740 {
741         struct cx23885_dev *dev = video_drvdata(file);
742
743         dprintk(1, "%s(%d)\n", __func__, i);
744
745         if (i >= MAX_CX23885_INPUT) {
746                 dprintk(1, "%s() -EINVAL\n", __func__);
747                 return -EINVAL;
748         }
749
750         if (INPUT(i)->type == 0)
751                 return -EINVAL;
752
753         cx23885_video_mux(dev, i);
754
755         /* By default establish the default audio input for the card also */
756         /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
757         cx23885_audio_mux(dev, i);
758         return 0;
759 }
760
761 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
762 {
763         return cx23885_set_input(file, priv, i);
764 }
765
766 static int vidioc_log_status(struct file *file, void *priv)
767 {
768         struct cx23885_dev *dev = video_drvdata(file);
769
770         call_all(dev, core, log_status);
771         return 0;
772 }
773
774 static int cx23885_query_audinput(struct file *file, void *priv,
775         struct v4l2_audio *i)
776 {
777         struct cx23885_dev *dev = video_drvdata(file);
778         static const char *iname[] = {
779                 [0] = "Baseband L/R 1",
780                 [1] = "Baseband L/R 2",
781                 [2] = "TV",
782         };
783         unsigned int n;
784         dprintk(1, "%s()\n", __func__);
785
786         n = i->index;
787         if (n >= 3)
788                 return -EINVAL;
789
790         memset(i, 0, sizeof(*i));
791         i->index = n;
792         strcpy(i->name, iname[n]);
793         i->capability = V4L2_AUDCAP_STEREO;
794         return 0;
795
796 }
797
798 static int vidioc_enum_audinput(struct file *file, void *priv,
799                                 struct v4l2_audio *i)
800 {
801         return cx23885_query_audinput(file, priv, i);
802 }
803
804 static int vidioc_g_audinput(struct file *file, void *priv,
805         struct v4l2_audio *i)
806 {
807         struct cx23885_dev *dev = video_drvdata(file);
808
809         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
810                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
811                 i->index = 2;
812         else
813                 i->index = dev->audinput;
814         dprintk(1, "%s(input=%d)\n", __func__, i->index);
815
816         return cx23885_query_audinput(file, priv, i);
817 }
818
819 static int vidioc_s_audinput(struct file *file, void *priv,
820         const struct v4l2_audio *i)
821 {
822         struct cx23885_dev *dev = video_drvdata(file);
823
824         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
825                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
826                 return i->index != 2 ? -EINVAL : 0;
827         }
828         if (i->index > 1)
829                 return -EINVAL;
830
831         dprintk(1, "%s(%d)\n", __func__, i->index);
832
833         dev->audinput = i->index;
834
835         /* Skip the audio defaults from the cards struct, caller wants
836          * directly touch the audio mux hardware. */
837         cx23885_flatiron_mux(dev, dev->audinput + 1);
838         return 0;
839 }
840
841 static int vidioc_g_tuner(struct file *file, void *priv,
842                                 struct v4l2_tuner *t)
843 {
844         struct cx23885_dev *dev = video_drvdata(file);
845
846         if (dev->tuner_type == TUNER_ABSENT)
847                 return -EINVAL;
848         if (0 != t->index)
849                 return -EINVAL;
850
851         strcpy(t->name, "Television");
852
853         call_all(dev, tuner, g_tuner, t);
854         return 0;
855 }
856
857 static int vidioc_s_tuner(struct file *file, void *priv,
858                                 const struct v4l2_tuner *t)
859 {
860         struct cx23885_dev *dev = video_drvdata(file);
861
862         if (dev->tuner_type == TUNER_ABSENT)
863                 return -EINVAL;
864         if (0 != t->index)
865                 return -EINVAL;
866         /* Update the A/V core */
867         call_all(dev, tuner, s_tuner, t);
868
869         return 0;
870 }
871
872 static int vidioc_g_frequency(struct file *file, void *priv,
873                                 struct v4l2_frequency *f)
874 {
875         struct cx23885_dev *dev = video_drvdata(file);
876
877         if (dev->tuner_type == TUNER_ABSENT)
878                 return -EINVAL;
879
880         f->type = V4L2_TUNER_ANALOG_TV;
881         f->frequency = dev->freq;
882
883         call_all(dev, tuner, g_frequency, f);
884
885         return 0;
886 }
887
888 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
889 {
890         struct v4l2_ctrl *mute;
891         int old_mute_val = 1;
892
893         if (dev->tuner_type == TUNER_ABSENT)
894                 return -EINVAL;
895         if (unlikely(f->tuner != 0))
896                 return -EINVAL;
897
898         dev->freq = f->frequency;
899
900         /* I need to mute audio here */
901         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
902         if (mute) {
903                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
904                 if (!old_mute_val)
905                         v4l2_ctrl_s_ctrl(mute, 1);
906         }
907
908         call_all(dev, tuner, s_frequency, f);
909
910         /* When changing channels it is required to reset TVAUDIO */
911         msleep(100);
912
913         /* I need to unmute audio here */
914         if (old_mute_val == 0)
915                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
916
917         return 0;
918 }
919
920 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
921         const struct v4l2_frequency *f)
922 {
923         struct v4l2_ctrl *mute;
924         int old_mute_val = 1;
925         struct vb2_dvb_frontend *vfe;
926         struct dvb_frontend *fe;
927
928         struct analog_parameters params = {
929                 .mode      = V4L2_TUNER_ANALOG_TV,
930                 .audmode   = V4L2_TUNER_MODE_STEREO,
931                 .std       = dev->tvnorm,
932                 .frequency = f->frequency
933         };
934
935         dev->freq = f->frequency;
936
937         /* I need to mute audio here */
938         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
939         if (mute) {
940                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
941                 if (!old_mute_val)
942                         v4l2_ctrl_s_ctrl(mute, 1);
943         }
944
945         /* If HVR1850 */
946         dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
947                 params.frequency, f->tuner, params.std);
948
949         vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
950         if (!vfe) {
951                 return -EINVAL;
952         }
953
954         fe = vfe->dvb.frontend;
955
956         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
957             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
958             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
959                 fe = &dev->ts1.analog_fe;
960
961         if (fe && fe->ops.tuner_ops.set_analog_params) {
962                 call_all(dev, video, s_std, dev->tvnorm);
963                 fe->ops.tuner_ops.set_analog_params(fe, &params);
964         }
965         else
966                 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
967
968         /* When changing channels it is required to reset TVAUDIO */
969         msleep(100);
970
971         /* I need to unmute audio here */
972         if (old_mute_val == 0)
973                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
974
975         return 0;
976 }
977
978 int cx23885_set_frequency(struct file *file, void *priv,
979         const struct v4l2_frequency *f)
980 {
981         struct cx23885_dev *dev = video_drvdata(file);
982         int ret;
983
984         switch (dev->board) {
985         case CX23885_BOARD_HAUPPAUGE_HVR1255:
986         case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
987         case CX23885_BOARD_HAUPPAUGE_HVR1850:
988                 ret = cx23885_set_freq_via_ops(dev, f);
989                 break;
990         default:
991                 ret = cx23885_set_freq(dev, f);
992         }
993
994         return ret;
995 }
996
997 static int vidioc_s_frequency(struct file *file, void *priv,
998         const struct v4l2_frequency *f)
999 {
1000         return cx23885_set_frequency(file, priv, f);
1001 }
1002
1003 /* ----------------------------------------------------------- */
1004
1005 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1006 {
1007         u32 mask, count;
1008         int handled = 0;
1009
1010         mask   = cx_read(VID_A_INT_MSK);
1011         if (0 == (status & mask))
1012                 return handled;
1013
1014         cx_write(VID_A_INT_STAT, status);
1015
1016         /* risc op code error, fifo overflow or line sync detection error */
1017         if ((status & VID_BC_MSK_OPC_ERR) ||
1018                 (status & VID_BC_MSK_SYNC) ||
1019                 (status & VID_BC_MSK_OF)) {
1020
1021                 if (status & VID_BC_MSK_OPC_ERR) {
1022                         dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1023                                 VID_BC_MSK_OPC_ERR);
1024                         printk(KERN_WARNING "%s: video risc op code error\n",
1025                                 dev->name);
1026                         cx23885_sram_channel_dump(dev,
1027                                 &dev->sram_channels[SRAM_CH01]);
1028                 }
1029
1030                 if (status & VID_BC_MSK_SYNC)
1031                         dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1032                                 "video lines miss-match\n",
1033                                 VID_BC_MSK_SYNC);
1034
1035                 if (status & VID_BC_MSK_OF)
1036                         dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1037                                 VID_BC_MSK_OF);
1038
1039         }
1040
1041         /* Video */
1042         if (status & VID_BC_MSK_RISCI1) {
1043                 spin_lock(&dev->slock);
1044                 count = cx_read(VID_A_GPCNT);
1045                 cx23885_video_wakeup(dev, &dev->vidq, count);
1046                 spin_unlock(&dev->slock);
1047                 handled++;
1048         }
1049
1050         /* Allow the VBI framework to process it's payload */
1051         handled += cx23885_vbi_irq(dev, status);
1052
1053         return handled;
1054 }
1055
1056 /* ----------------------------------------------------------- */
1057 /* exported stuff                                              */
1058
1059 static const struct v4l2_file_operations video_fops = {
1060         .owner         = THIS_MODULE,
1061         .open           = v4l2_fh_open,
1062         .release        = vb2_fop_release,
1063         .read           = vb2_fop_read,
1064         .poll           = vb2_fop_poll,
1065         .unlocked_ioctl = video_ioctl2,
1066         .mmap           = vb2_fop_mmap,
1067 };
1068
1069 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1070         .vidioc_querycap      = vidioc_querycap,
1071         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1072         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1073         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1074         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1075         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1076         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1077         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1078         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1079         .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1080         .vidioc_querybuf      = vb2_ioctl_querybuf,
1081         .vidioc_qbuf          = vb2_ioctl_qbuf,
1082         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1083         .vidioc_streamon      = vb2_ioctl_streamon,
1084         .vidioc_streamoff     = vb2_ioctl_streamoff,
1085         .vidioc_s_std         = vidioc_s_std,
1086         .vidioc_g_std         = vidioc_g_std,
1087         .vidioc_enum_input    = vidioc_enum_input,
1088         .vidioc_g_input       = vidioc_g_input,
1089         .vidioc_s_input       = vidioc_s_input,
1090         .vidioc_log_status    = vidioc_log_status,
1091         .vidioc_g_tuner       = vidioc_g_tuner,
1092         .vidioc_s_tuner       = vidioc_s_tuner,
1093         .vidioc_g_frequency   = vidioc_g_frequency,
1094         .vidioc_s_frequency   = vidioc_s_frequency,
1095 #ifdef CONFIG_VIDEO_ADV_DEBUG
1096         .vidioc_g_chip_info   = cx23885_g_chip_info,
1097         .vidioc_g_register    = cx23885_g_register,
1098         .vidioc_s_register    = cx23885_s_register,
1099 #endif
1100         .vidioc_enumaudio     = vidioc_enum_audinput,
1101         .vidioc_g_audio       = vidioc_g_audinput,
1102         .vidioc_s_audio       = vidioc_s_audinput,
1103         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1104         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1105 };
1106
1107 static struct video_device cx23885_vbi_template;
1108 static struct video_device cx23885_video_template = {
1109         .name                 = "cx23885-video",
1110         .fops                 = &video_fops,
1111         .ioctl_ops            = &video_ioctl_ops,
1112         .tvnorms              = CX23885_NORMS,
1113 };
1114
1115 void cx23885_video_unregister(struct cx23885_dev *dev)
1116 {
1117         dprintk(1, "%s()\n", __func__);
1118         cx23885_irq_remove(dev, 0x01);
1119
1120         if (dev->vbi_dev) {
1121                 if (video_is_registered(dev->vbi_dev))
1122                         video_unregister_device(dev->vbi_dev);
1123                 else
1124                         video_device_release(dev->vbi_dev);
1125                 dev->vbi_dev = NULL;
1126         }
1127         if (dev->video_dev) {
1128                 if (video_is_registered(dev->video_dev))
1129                         video_unregister_device(dev->video_dev);
1130                 else
1131                         video_device_release(dev->video_dev);
1132                 dev->video_dev = NULL;
1133         }
1134
1135         if (dev->audio_dev)
1136                 cx23885_audio_unregister(dev);
1137 }
1138
1139 int cx23885_video_register(struct cx23885_dev *dev)
1140 {
1141         struct vb2_queue *q;
1142         int err;
1143
1144         dprintk(1, "%s()\n", __func__);
1145
1146         /* Initialize VBI template */
1147         cx23885_vbi_template = cx23885_video_template;
1148         strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1149
1150         dev->tvnorm = V4L2_STD_NTSC_M;
1151         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1152         dev->field = V4L2_FIELD_INTERLACED;
1153         dev->width = 720;
1154         dev->height = norm_maxh(dev->tvnorm);
1155
1156         /* init video dma queues */
1157         INIT_LIST_HEAD(&dev->vidq.active);
1158
1159         /* init vbi dma queues */
1160         INIT_LIST_HEAD(&dev->vbiq.active);
1161
1162         cx23885_irq_add_enable(dev, 0x01);
1163
1164         if ((TUNER_ABSENT != dev->tuner_type) &&
1165                         ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1166                 struct v4l2_subdev *sd = NULL;
1167
1168                 if (dev->tuner_addr)
1169                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1170                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1171                                 "tuner", dev->tuner_addr, NULL);
1172                 else
1173                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1174                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1175                                 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1176                 if (sd) {
1177                         struct tuner_setup tun_setup;
1178
1179                         memset(&tun_setup, 0, sizeof(tun_setup));
1180                         tun_setup.mode_mask = T_ANALOG_TV;
1181                         tun_setup.type = dev->tuner_type;
1182                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1183                         tun_setup.tuner_callback = cx23885_tuner_callback;
1184
1185                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1186
1187                         if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1188                             (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1189                                 struct xc2028_ctrl ctrl = {
1190                                         .fname = XC2028_DEFAULT_FIRMWARE,
1191                                         .max_len = 64
1192                                 };
1193                                 struct v4l2_priv_tun_config cfg = {
1194                                         .tuner = dev->tuner_type,
1195                                         .priv = &ctrl
1196                                 };
1197                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1198                         }
1199
1200                         if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1201                                 struct xc2028_ctrl ctrl = {
1202                                         .fname = "xc3028L-v36.fw",
1203                                         .max_len = 64
1204                                 };
1205                                 struct v4l2_priv_tun_config cfg = {
1206                                         .tuner = dev->tuner_type,
1207                                         .priv = &ctrl
1208                                 };
1209                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1210                         }
1211                 }
1212         }
1213
1214         /* initial device configuration */
1215         mutex_lock(&dev->lock);
1216         cx23885_set_tvnorm(dev, dev->tvnorm);
1217         cx23885_video_mux(dev, 0);
1218         cx23885_audio_mux(dev, 0);
1219         mutex_unlock(&dev->lock);
1220
1221         q = &dev->vb2_vidq;
1222         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1223         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1224         q->gfp_flags = GFP_DMA32;
1225         q->min_buffers_needed = 2;
1226         q->drv_priv = dev;
1227         q->buf_struct_size = sizeof(struct cx23885_buffer);
1228         q->ops = &cx23885_video_qops;
1229         q->mem_ops = &vb2_dma_sg_memops;
1230         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1231         q->lock = &dev->lock;
1232
1233         err = vb2_queue_init(q);
1234         if (err < 0)
1235                 goto fail_unreg;
1236
1237         q = &dev->vb2_vbiq;
1238         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1239         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1240         q->gfp_flags = GFP_DMA32;
1241         q->min_buffers_needed = 2;
1242         q->drv_priv = dev;
1243         q->buf_struct_size = sizeof(struct cx23885_buffer);
1244         q->ops = &cx23885_vbi_qops;
1245         q->mem_ops = &vb2_dma_sg_memops;
1246         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1247         q->lock = &dev->lock;
1248
1249         err = vb2_queue_init(q);
1250         if (err < 0)
1251                 goto fail_unreg;
1252
1253         /* register Video device */
1254         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1255                 &cx23885_video_template, "video");
1256         dev->video_dev->queue = &dev->vb2_vidq;
1257         err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1258                                     video_nr[dev->nr]);
1259         if (err < 0) {
1260                 printk(KERN_INFO "%s: can't register video device\n",
1261                         dev->name);
1262                 goto fail_unreg;
1263         }
1264         printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1265                dev->name, video_device_node_name(dev->video_dev));
1266
1267         /* register VBI device */
1268         dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1269                 &cx23885_vbi_template, "vbi");
1270         dev->vbi_dev->queue = &dev->vb2_vbiq;
1271         err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1272                                     vbi_nr[dev->nr]);
1273         if (err < 0) {
1274                 printk(KERN_INFO "%s: can't register vbi device\n",
1275                         dev->name);
1276                 goto fail_unreg;
1277         }
1278         printk(KERN_INFO "%s: registered device %s\n",
1279                dev->name, video_device_node_name(dev->vbi_dev));
1280
1281         /* Register ALSA audio device */
1282         dev->audio_dev = cx23885_audio_register(dev);
1283
1284         return 0;
1285
1286 fail_unreg:
1287         cx23885_video_unregister(dev);
1288         return err;
1289 }