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hwrng: core - Don't use a stack buffer in add_early_randomness()
[linux/fpc-iii.git] / drivers / media / pci / cx23885 / cx23885-video.c
blob33d168ef278dca32295dd9339192b4adb352d0b4
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/drv-intf/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 buf->vb.vb2_buf.timestamp = ktime_get_ns();
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 struct v4l2_subdev_format format = {
118 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
119 .format.code = MEDIA_BUS_FMT_FIXED,
120 };
121
122 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
123 __func__,
124 (unsigned int)norm,
125 v4l2_norm_to_name(norm));
126
127 if (dev->tvnorm == norm)
128 return 0;
129
130 if (dev->tvnorm != norm) {
131 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
132 vb2_is_busy(&dev->vb2_mpegq))
133 return -EBUSY;
134 }
135
136 dev->tvnorm = norm;
137 dev->width = 720;
138 dev->height = norm_maxh(norm);
139 dev->field = V4L2_FIELD_INTERLACED;
140
141 call_all(dev, video, s_std, norm);
142
143 format.format.width = dev->width;
144 format.format.height = dev->height;
145 format.format.field = dev->field;
146 call_all(dev, pad, set_fmt, NULL, &format);
147
148 return 0;
149 }
150
151 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
152 struct pci_dev *pci,
153 struct video_device *template,
154 char *type)
155 {
156 struct video_device *vfd;
157 dprintk(1, "%s()\n", __func__);
158
159 vfd = video_device_alloc();
160 if (NULL == vfd)
161 return NULL;
162 *vfd = *template;
163 vfd->v4l2_dev = &dev->v4l2_dev;
164 vfd->release = video_device_release;
165 vfd->lock = &dev->lock;
166 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
167 cx23885_boards[dev->board].name, type);
168 video_set_drvdata(vfd, dev);
169 return vfd;
170 }
171
172 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
173 {
174 /* 8 bit registers, 8 bit values */
175 u8 buf[] = { reg, data };
176
177 struct i2c_msg msg = { .addr = 0x98 >> 1,
178 .flags = 0, .buf = buf, .len = 2 };
179
180 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
181 }
182
183 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
184 {
185 /* 8 bit registers, 8 bit values */
186 int ret;
187 u8 b0[] = { reg };
188 u8 b1[] = { 0 };
189
190 struct i2c_msg msg[] = {
191 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
192 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
193 };
194
195 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
196 if (ret != 2)
197 printk(KERN_ERR "%s() error\n", __func__);
198
199 return b1[0];
200 }
201
202 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
203 {
204 int i;
205 dprintk(1, "Flatiron dump\n");
206 for (i = 0; i < 0x24; i++) {
207 dprintk(1, "FI[%02x] = %02x\n", i,
208 cx23885_flatiron_read(dev, i));
209 }
210 }
211
212 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
213 {
214 u8 val;
215 dprintk(1, "%s(input = %d)\n", __func__, input);
216
217 if (input == 1)
218 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
219 else if (input == 2)
220 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
221 else
222 return -EINVAL;
223
224 val |= 0x20; /* Enable clock to delta-sigma and dec filter */
225
226 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
227
228 /* Wake up */
229 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
230
231 if (video_debug)
232 cx23885_flatiron_dump(dev);
233
234 return 0;
235 }
236
237 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
238 {
239 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
240 __func__,
241 input, INPUT(input)->vmux,
242 INPUT(input)->gpio0, INPUT(input)->gpio1,
243 INPUT(input)->gpio2, INPUT(input)->gpio3);
244 dev->input = input;
245
246 if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
247 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
248 dev->board == CX23885_BOARD_MYGICA_X8507) {
249 /* Select Analog TV */
250 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
251 cx23885_gpio_clear(dev, GPIO_0);
252 }
253
254 /* Tell the internal A/V decoder */
255 v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
256 INPUT(input)->vmux, 0, 0);
257
258 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
259 (dev->board == CX23885_BOARD_MPX885) ||
260 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
261 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
262 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
263 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
264 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
265 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
266 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) ||
267 (dev->board == CX23885_BOARD_VIEWCAST_260E) ||
268 (dev->board == CX23885_BOARD_VIEWCAST_460E)) {
269 /* Configure audio routing */
270 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
271 INPUT(input)->amux, 0, 0);
272
273 if (INPUT(input)->amux == CX25840_AUDIO7)
274 cx23885_flatiron_mux(dev, 1);
275 else if (INPUT(input)->amux == CX25840_AUDIO6)
276 cx23885_flatiron_mux(dev, 2);
277 }
278
279 return 0;
280 }
281
282 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
283 {
284 dprintk(1, "%s(input=%d)\n", __func__, input);
285
286 /* The baseband video core of the cx23885 has two audio inputs.
287 * LR1 and LR2. In almost every single case so far only HVR1xxx
288 * cards we've only ever supported LR1. Time to support LR2,
289 * which is available via the optional white breakout header on
290 * the board.
291 * We'll use a could of existing enums in the card struct to allow
292 * devs to specify which baseband input they need, or just default
293 * to what we've always used.
294 */
295 if (INPUT(input)->amux == CX25840_AUDIO7)
296 cx23885_flatiron_mux(dev, 1);
297 else if (INPUT(input)->amux == CX25840_AUDIO6)
298 cx23885_flatiron_mux(dev, 2);
299 else {
300 /* Not specifically defined, assume the default. */
301 cx23885_flatiron_mux(dev, 1);
302 }
303
304 return 0;
305 }
306
307 /* ------------------------------------------------------------------ */
308 static int cx23885_start_video_dma(struct cx23885_dev *dev,
309 struct cx23885_dmaqueue *q,
310 struct cx23885_buffer *buf)
311 {
312 dprintk(1, "%s()\n", __func__);
313
314 /* Stop the dma/fifo before we tamper with it's risc programs */
315 cx_clear(VID_A_DMA_CTL, 0x11);
316
317 /* setup fifo + format */
318 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
319 buf->bpl, buf->risc.dma);
320
321 /* reset counter */
322 cx_write(VID_A_GPCNT_CTL, 3);
323 q->count = 0;
324
325 /* enable irq */
326 cx23885_irq_add_enable(dev, 0x01);
327 cx_set(VID_A_INT_MSK, 0x000011);
328
329 /* start dma */
330 cx_set(DEV_CNTRL2, (1<<5));
331 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
332
333 return 0;
334 }
335
336 static int queue_setup(struct vb2_queue *q,
337 unsigned int *num_buffers, unsigned int *num_planes,
338 unsigned int sizes[], struct device *alloc_devs[])
339 {
340 struct cx23885_dev *dev = q->drv_priv;
341
342 *num_planes = 1;
343 sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
344 return 0;
345 }
346
347 static int buffer_prepare(struct vb2_buffer *vb)
348 {
349 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
350 struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
351 struct cx23885_buffer *buf =
352 container_of(vbuf, struct cx23885_buffer, vb);
353 u32 line0_offset, line1_offset;
354 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
355 int field_tff;
356
357 buf->bpl = (dev->width * dev->fmt->depth) >> 3;
358
359 if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
360 return -EINVAL;
361 vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
362
363 switch (dev->field) {
364 case V4L2_FIELD_TOP:
365 cx23885_risc_buffer(dev->pci, &buf->risc,
366 sgt->sgl, 0, UNSET,
367 buf->bpl, 0, dev->height);
368 break;
369 case V4L2_FIELD_BOTTOM:
370 cx23885_risc_buffer(dev->pci, &buf->risc,
371 sgt->sgl, UNSET, 0,
372 buf->bpl, 0, dev->height);
373 break;
374 case V4L2_FIELD_INTERLACED:
375 if (dev->tvnorm & V4L2_STD_525_60)
376 /* NTSC or */
377 field_tff = 1;
378 else
379 field_tff = 0;
380
381 if (cx23885_boards[dev->board].force_bff)
382 /* PAL / SECAM OR 888 in NTSC MODE */
383 field_tff = 0;
384
385 if (field_tff) {
386 /* cx25840 transmits NTSC bottom field first */
387 dprintk(1, "%s() Creating TFF/NTSC risc\n",
388 __func__);
389 line0_offset = buf->bpl;
390 line1_offset = 0;
391 } else {
392 /* All other formats are top field first */
393 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
394 __func__);
395 line0_offset = 0;
396 line1_offset = buf->bpl;
397 }
398 cx23885_risc_buffer(dev->pci, &buf->risc,
399 sgt->sgl, line0_offset,
400 line1_offset,
401 buf->bpl, buf->bpl,
402 dev->height >> 1);
403 break;
404 case V4L2_FIELD_SEQ_TB:
405 cx23885_risc_buffer(dev->pci, &buf->risc,
406 sgt->sgl,
407 0, buf->bpl * (dev->height >> 1),
408 buf->bpl, 0,
409 dev->height >> 1);
410 break;
411 case V4L2_FIELD_SEQ_BT:
412 cx23885_risc_buffer(dev->pci, &buf->risc,
413 sgt->sgl,
414 buf->bpl * (dev->height >> 1), 0,
415 buf->bpl, 0,
416 dev->height >> 1);
417 break;
418 default:
419 BUG();
420 }
421 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
422 buf, buf->vb.vb2_buf.index,
423 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
424 (unsigned long)buf->risc.dma);
425 return 0;
426 }
427
428 static void buffer_finish(struct vb2_buffer *vb)
429 {
430 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
431 struct cx23885_buffer *buf = container_of(vbuf,
432 struct cx23885_buffer, vb);
433
434 cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
435 }
436
437 /*
438 * The risc program for each buffer works as follows: it starts with a simple
439 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
440 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
441 * the initial JUMP).
442 *
443 * This is the risc program of the first buffer to be queued if the active list
444 * is empty and it just keeps DMAing this buffer without generating any
445 * interrupts.
446 *
447 * If a new buffer is added then the initial JUMP in the code for that buffer
448 * will generate an interrupt which signals that the previous buffer has been
449 * DMAed successfully and that it can be returned to userspace.
450 *
451 * It also sets the final jump of the previous buffer to the start of the new
452 * buffer, thus chaining the new buffer into the DMA chain. This is a single
453 * atomic u32 write, so there is no race condition.
454 *
455 * The end-result of all this that you only get an interrupt when a buffer
456 * is ready, so the control flow is very easy.
457 */
458 static void buffer_queue(struct vb2_buffer *vb)
459 {
460 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
461 struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
462 struct cx23885_buffer *buf = container_of(vbuf,
463 struct cx23885_buffer, vb);
464 struct cx23885_buffer *prev;
465 struct cx23885_dmaqueue *q = &dev->vidq;
466 unsigned long flags;
467
468 /* add jump to start */
469 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
470 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
471 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
472 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
473
474 spin_lock_irqsave(&dev->slock, flags);
475 if (list_empty(&q->active)) {
476 list_add_tail(&buf->queue, &q->active);
477 dprintk(2, "[%p/%d] buffer_queue - first active\n",
478 buf, buf->vb.vb2_buf.index);
479 } else {
480 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
481 prev = list_entry(q->active.prev, struct cx23885_buffer,
482 queue);
483 list_add_tail(&buf->queue, &q->active);
484 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
485 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
486 buf, buf->vb.vb2_buf.index);
487 }
488 spin_unlock_irqrestore(&dev->slock, flags);
489 }
490
491 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
492 {
493 struct cx23885_dev *dev = q->drv_priv;
494 struct cx23885_dmaqueue *dmaq = &dev->vidq;
495 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
496 struct cx23885_buffer, queue);
497
498 cx23885_start_video_dma(dev, dmaq, buf);
499 return 0;
500 }
501
502 static void cx23885_stop_streaming(struct vb2_queue *q)
503 {
504 struct cx23885_dev *dev = q->drv_priv;
505 struct cx23885_dmaqueue *dmaq = &dev->vidq;
506 unsigned long flags;
507
508 cx_clear(VID_A_DMA_CTL, 0x11);
509 spin_lock_irqsave(&dev->slock, flags);
510 while (!list_empty(&dmaq->active)) {
511 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
512 struct cx23885_buffer, queue);
513
514 list_del(&buf->queue);
515 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
516 }
517 spin_unlock_irqrestore(&dev->slock, flags);
518 }
519
520 static const struct vb2_ops cx23885_video_qops = {
521 .queue_setup = queue_setup,
522 .buf_prepare = buffer_prepare,
523 .buf_finish = buffer_finish,
524 .buf_queue = buffer_queue,
525 .wait_prepare = vb2_ops_wait_prepare,
526 .wait_finish = vb2_ops_wait_finish,
527 .start_streaming = cx23885_start_streaming,
528 .stop_streaming = cx23885_stop_streaming,
529 };
530
531 /* ------------------------------------------------------------------ */
532 /* VIDEO IOCTLS */
533
534 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
535 struct v4l2_format *f)
536 {
537 struct cx23885_dev *dev = video_drvdata(file);
538
539 f->fmt.pix.width = dev->width;
540 f->fmt.pix.height = dev->height;
541 f->fmt.pix.field = dev->field;
542 f->fmt.pix.pixelformat = dev->fmt->fourcc;
543 f->fmt.pix.bytesperline =
544 (f->fmt.pix.width * dev->fmt->depth) >> 3;
545 f->fmt.pix.sizeimage =
546 f->fmt.pix.height * f->fmt.pix.bytesperline;
547 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
548
549 return 0;
550 }
551
552 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
553 struct v4l2_format *f)
554 {
555 struct cx23885_dev *dev = video_drvdata(file);
556 struct cx23885_fmt *fmt;
557 enum v4l2_field field;
558 unsigned int maxw, maxh;
559
560 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
561 if (NULL == fmt)
562 return -EINVAL;
563
564 field = f->fmt.pix.field;
565 maxw = 720;
566 maxh = norm_maxh(dev->tvnorm);
567
568 if (V4L2_FIELD_ANY == field) {
569 field = (f->fmt.pix.height > maxh/2)
570 ? V4L2_FIELD_INTERLACED
571 : V4L2_FIELD_BOTTOM;
572 }
573
574 switch (field) {
575 case V4L2_FIELD_TOP:
576 case V4L2_FIELD_BOTTOM:
577 maxh = maxh / 2;
578 break;
579 case V4L2_FIELD_INTERLACED:
580 case V4L2_FIELD_SEQ_TB:
581 case V4L2_FIELD_SEQ_BT:
582 break;
583 default:
584 field = V4L2_FIELD_INTERLACED;
585 break;
586 }
587
588 f->fmt.pix.field = field;
589 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
590 &f->fmt.pix.height, 32, maxh, 0, 0);
591 f->fmt.pix.bytesperline =
592 (f->fmt.pix.width * fmt->depth) >> 3;
593 f->fmt.pix.sizeimage =
594 f->fmt.pix.height * f->fmt.pix.bytesperline;
595 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
596
597 return 0;
598 }
599
600 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
601 struct v4l2_format *f)
602 {
603 struct cx23885_dev *dev = video_drvdata(file);
604 struct v4l2_subdev_format format = {
605 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
606 };
607 int err;
608
609 dprintk(2, "%s()\n", __func__);
610 err = vidioc_try_fmt_vid_cap(file, priv, f);
611
612 if (0 != err)
613 return err;
614
615 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
616 vb2_is_busy(&dev->vb2_mpegq))
617 return -EBUSY;
618
619 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
620 dev->width = f->fmt.pix.width;
621 dev->height = f->fmt.pix.height;
622 dev->field = f->fmt.pix.field;
623 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
624 dev->width, dev->height, dev->field);
625 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
626 call_all(dev, pad, set_fmt, NULL, &format);
627 v4l2_fill_pix_format(&f->fmt.pix, &format.format);
628 /* set_fmt overwrites f->fmt.pix.field, restore it */
629 f->fmt.pix.field = dev->field;
630 return 0;
631 }
632
633 static int vidioc_querycap(struct file *file, void *priv,
634 struct v4l2_capability *cap)
635 {
636 struct cx23885_dev *dev = video_drvdata(file);
637 struct video_device *vdev = video_devdata(file);
638
639 strcpy(cap->driver, "cx23885");
640 strlcpy(cap->card, cx23885_boards[dev->board].name,
641 sizeof(cap->card));
642 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
643 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO;
644 if (dev->tuner_type != TUNER_ABSENT)
645 cap->device_caps |= V4L2_CAP_TUNER;
646 if (vdev->vfl_type == VFL_TYPE_VBI)
647 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
648 else
649 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
650 cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
651 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS;
652 return 0;
653 }
654
655 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
656 struct v4l2_fmtdesc *f)
657 {
658 if (unlikely(f->index >= ARRAY_SIZE(formats)))
659 return -EINVAL;
660
661 strlcpy(f->description, formats[f->index].name,
662 sizeof(f->description));
663 f->pixelformat = formats[f->index].fourcc;
664
665 return 0;
666 }
667
668 static int vidioc_cropcap(struct file *file, void *priv,
669 struct v4l2_cropcap *cc)
670 {
671 struct cx23885_dev *dev = video_drvdata(file);
672 bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
673
674 if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
675 return -EINVAL;
676
677 cc->bounds.left = 0;
678 cc->bounds.top = 0;
679 cc->bounds.width = 720;
680 cc->bounds.height = norm_maxh(dev->tvnorm);
681 cc->defrect = cc->bounds;
682 cc->pixelaspect.numerator = is_50hz ? 54 : 11;
683 cc->pixelaspect.denominator = is_50hz ? 59 : 10;
684
685 return 0;
686 }
687
688 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
689 {
690 struct cx23885_dev *dev = video_drvdata(file);
691 dprintk(1, "%s()\n", __func__);
692
693 *id = dev->tvnorm;
694 return 0;
695 }
696
697 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
698 {
699 struct cx23885_dev *dev = video_drvdata(file);
700 dprintk(1, "%s()\n", __func__);
701
702 return cx23885_set_tvnorm(dev, tvnorms);
703 }
704
705 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
706 {
707 static const char *iname[] = {
708 [CX23885_VMUX_COMPOSITE1] = "Composite1",
709 [CX23885_VMUX_COMPOSITE2] = "Composite2",
710 [CX23885_VMUX_COMPOSITE3] = "Composite3",
711 [CX23885_VMUX_COMPOSITE4] = "Composite4",
712 [CX23885_VMUX_SVIDEO] = "S-Video",
713 [CX23885_VMUX_COMPONENT] = "Component",
714 [CX23885_VMUX_TELEVISION] = "Television",
715 [CX23885_VMUX_CABLE] = "Cable TV",
716 [CX23885_VMUX_DVB] = "DVB",
717 [CX23885_VMUX_DEBUG] = "for debug only",
718 };
719 unsigned int n;
720 dprintk(1, "%s()\n", __func__);
721
722 n = i->index;
723 if (n >= MAX_CX23885_INPUT)
724 return -EINVAL;
725
726 if (0 == INPUT(n)->type)
727 return -EINVAL;
728
729 i->index = n;
730 i->type = V4L2_INPUT_TYPE_CAMERA;
731 strcpy(i->name, iname[INPUT(n)->type]);
732 i->std = CX23885_NORMS;
733 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
734 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
735 i->type = V4L2_INPUT_TYPE_TUNER;
736 i->audioset = 4;
737 } else {
738 /* Two selectable audio inputs for non-tv inputs */
739 i->audioset = 3;
740 }
741
742 if (dev->input == n) {
743 /* enum'd input matches our configured input.
744 * Ask the video decoder to process the call
745 * and give it an oppertunity to update the
746 * status field.
747 */
748 call_all(dev, video, g_input_status, &i->status);
749 }
750
751 return 0;
752 }
753
754 static int vidioc_enum_input(struct file *file, void *priv,
755 struct v4l2_input *i)
756 {
757 struct cx23885_dev *dev = video_drvdata(file);
758 dprintk(1, "%s()\n", __func__);
759 return cx23885_enum_input(dev, i);
760 }
761
762 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
763 {
764 struct cx23885_dev *dev = video_drvdata(file);
765
766 *i = dev->input;
767 dprintk(1, "%s() returns %d\n", __func__, *i);
768 return 0;
769 }
770
771 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
772 {
773 return cx23885_get_input(file, priv, i);
774 }
775
776 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
777 {
778 struct cx23885_dev *dev = video_drvdata(file);
779
780 dprintk(1, "%s(%d)\n", __func__, i);
781
782 if (i >= MAX_CX23885_INPUT) {
783 dprintk(1, "%s() -EINVAL\n", __func__);
784 return -EINVAL;
785 }
786
787 if (INPUT(i)->type == 0)
788 return -EINVAL;
789
790 cx23885_video_mux(dev, i);
791
792 /* By default establish the default audio input for the card also */
793 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
794 cx23885_audio_mux(dev, i);
795 return 0;
796 }
797
798 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
799 {
800 return cx23885_set_input(file, priv, i);
801 }
802
803 static int vidioc_log_status(struct file *file, void *priv)
804 {
805 struct cx23885_dev *dev = video_drvdata(file);
806
807 call_all(dev, core, log_status);
808 return 0;
809 }
810
811 static int cx23885_query_audinput(struct file *file, void *priv,
812 struct v4l2_audio *i)
813 {
814 struct cx23885_dev *dev = video_drvdata(file);
815 static const char *iname[] = {
816 [0] = "Baseband L/R 1",
817 [1] = "Baseband L/R 2",
818 [2] = "TV",
819 };
820 unsigned int n;
821 dprintk(1, "%s()\n", __func__);
822
823 n = i->index;
824 if (n >= 3)
825 return -EINVAL;
826
827 memset(i, 0, sizeof(*i));
828 i->index = n;
829 strcpy(i->name, iname[n]);
830 i->capability = V4L2_AUDCAP_STEREO;
831 return 0;
832
833 }
834
835 static int vidioc_enum_audinput(struct file *file, void *priv,
836 struct v4l2_audio *i)
837 {
838 return cx23885_query_audinput(file, priv, i);
839 }
840
841 static int vidioc_g_audinput(struct file *file, void *priv,
842 struct v4l2_audio *i)
843 {
844 struct cx23885_dev *dev = video_drvdata(file);
845
846 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
847 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
848 i->index = 2;
849 else
850 i->index = dev->audinput;
851 dprintk(1, "%s(input=%d)\n", __func__, i->index);
852
853 return cx23885_query_audinput(file, priv, i);
854 }
855
856 static int vidioc_s_audinput(struct file *file, void *priv,
857 const struct v4l2_audio *i)
858 {
859 struct cx23885_dev *dev = video_drvdata(file);
860
861 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
862 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
863 return i->index != 2 ? -EINVAL : 0;
864 }
865 if (i->index > 1)
866 return -EINVAL;
867
868 dprintk(1, "%s(%d)\n", __func__, i->index);
869
870 dev->audinput = i->index;
871
872 /* Skip the audio defaults from the cards struct, caller wants
873 * directly touch the audio mux hardware. */
874 cx23885_flatiron_mux(dev, dev->audinput + 1);
875 return 0;
876 }
877
878 static int vidioc_g_tuner(struct file *file, void *priv,
879 struct v4l2_tuner *t)
880 {
881 struct cx23885_dev *dev = video_drvdata(file);
882
883 if (dev->tuner_type == TUNER_ABSENT)
884 return -EINVAL;
885 if (0 != t->index)
886 return -EINVAL;
887
888 strcpy(t->name, "Television");
889
890 call_all(dev, tuner, g_tuner, t);
891 return 0;
892 }
893
894 static int vidioc_s_tuner(struct file *file, void *priv,
895 const struct v4l2_tuner *t)
896 {
897 struct cx23885_dev *dev = video_drvdata(file);
898
899 if (dev->tuner_type == TUNER_ABSENT)
900 return -EINVAL;
901 if (0 != t->index)
902 return -EINVAL;
903 /* Update the A/V core */
904 call_all(dev, tuner, s_tuner, t);
905
906 return 0;
907 }
908
909 static int vidioc_g_frequency(struct file *file, void *priv,
910 struct v4l2_frequency *f)
911 {
912 struct cx23885_dev *dev = video_drvdata(file);
913
914 if (dev->tuner_type == TUNER_ABSENT)
915 return -EINVAL;
916
917 f->type = V4L2_TUNER_ANALOG_TV;
918 f->frequency = dev->freq;
919
920 call_all(dev, tuner, g_frequency, f);
921
922 return 0;
923 }
924
925 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
926 {
927 struct v4l2_ctrl *mute;
928 int old_mute_val = 1;
929
930 if (dev->tuner_type == TUNER_ABSENT)
931 return -EINVAL;
932 if (unlikely(f->tuner != 0))
933 return -EINVAL;
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 call_all(dev, tuner, s_frequency, f);
946
947 /* When changing channels it is required to reset TVAUDIO */
948 msleep(100);
949
950 /* I need to unmute audio here */
951 if (old_mute_val == 0)
952 v4l2_ctrl_s_ctrl(mute, old_mute_val);
953
954 return 0;
955 }
956
957 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
958 const struct v4l2_frequency *f)
959 {
960 struct v4l2_ctrl *mute;
961 int old_mute_val = 1;
962 struct vb2_dvb_frontend *vfe;
963 struct dvb_frontend *fe;
964
965 struct analog_parameters params = {
966 .mode = V4L2_TUNER_ANALOG_TV,
967 .audmode = V4L2_TUNER_MODE_STEREO,
968 .std = dev->tvnorm,
969 .frequency = f->frequency
970 };
971
972 dev->freq = f->frequency;
973
974 /* I need to mute audio here */
975 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
976 if (mute) {
977 old_mute_val = v4l2_ctrl_g_ctrl(mute);
978 if (!old_mute_val)
979 v4l2_ctrl_s_ctrl(mute, 1);
980 }
981
982 /* If HVR1850 */
983 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
984 params.frequency, f->tuner, params.std);
985
986 vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
987 if (!vfe) {
988 return -EINVAL;
989 }
990
991 fe = vfe->dvb.frontend;
992
993 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
994 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
995 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
996 fe = &dev->ts1.analog_fe;
997
998 if (fe && fe->ops.tuner_ops.set_analog_params) {
999 call_all(dev, video, s_std, dev->tvnorm);
1000 fe->ops.tuner_ops.set_analog_params(fe, &params);
1001 }
1002 else
1003 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
1004
1005 /* When changing channels it is required to reset TVAUDIO */
1006 msleep(100);
1007
1008 /* I need to unmute audio here */
1009 if (old_mute_val == 0)
1010 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1011
1012 return 0;
1013 }
1014
1015 int cx23885_set_frequency(struct file *file, void *priv,
1016 const struct v4l2_frequency *f)
1017 {
1018 struct cx23885_dev *dev = video_drvdata(file);
1019 int ret;
1020
1021 switch (dev->board) {
1022 case CX23885_BOARD_HAUPPAUGE_HVR1255:
1023 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1024 case CX23885_BOARD_HAUPPAUGE_HVR1850:
1025 ret = cx23885_set_freq_via_ops(dev, f);
1026 break;
1027 default:
1028 ret = cx23885_set_freq(dev, f);
1029 }
1030
1031 return ret;
1032 }
1033
1034 static int vidioc_s_frequency(struct file *file, void *priv,
1035 const struct v4l2_frequency *f)
1036 {
1037 return cx23885_set_frequency(file, priv, f);
1038 }
1039
1040 /* ----------------------------------------------------------- */
1041
1042 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1043 {
1044 u32 mask, count;
1045 int handled = 0;
1046
1047 mask = cx_read(VID_A_INT_MSK);
1048 if (0 == (status & mask))
1049 return handled;
1050
1051 cx_write(VID_A_INT_STAT, status);
1052
1053 /* risc op code error, fifo overflow or line sync detection error */
1054 if ((status & VID_BC_MSK_OPC_ERR) ||
1055 (status & VID_BC_MSK_SYNC) ||
1056 (status & VID_BC_MSK_OF)) {
1057
1058 if (status & VID_BC_MSK_OPC_ERR) {
1059 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1060 VID_BC_MSK_OPC_ERR);
1061 printk(KERN_WARNING "%s: video risc op code error\n",
1062 dev->name);
1063 cx23885_sram_channel_dump(dev,
1064 &dev->sram_channels[SRAM_CH01]);
1065 }
1066
1067 if (status & VID_BC_MSK_SYNC)
1068 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1069 "video lines miss-match\n",
1070 VID_BC_MSK_SYNC);
1071
1072 if (status & VID_BC_MSK_OF)
1073 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1074 VID_BC_MSK_OF);
1075
1076 }
1077
1078 /* Video */
1079 if (status & VID_BC_MSK_RISCI1) {
1080 spin_lock(&dev->slock);
1081 count = cx_read(VID_A_GPCNT);
1082 cx23885_video_wakeup(dev, &dev->vidq, count);
1083 spin_unlock(&dev->slock);
1084 handled++;
1085 }
1086
1087 /* Allow the VBI framework to process it's payload */
1088 handled += cx23885_vbi_irq(dev, status);
1089
1090 return handled;
1091 }
1092
1093 /* ----------------------------------------------------------- */
1094 /* exported stuff */
1095
1096 static const struct v4l2_file_operations video_fops = {
1097 .owner = THIS_MODULE,
1098 .open = v4l2_fh_open,
1099 .release = vb2_fop_release,
1100 .read = vb2_fop_read,
1101 .poll = vb2_fop_poll,
1102 .unlocked_ioctl = video_ioctl2,
1103 .mmap = vb2_fop_mmap,
1104 };
1105
1106 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1107 .vidioc_querycap = vidioc_querycap,
1108 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1109 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1110 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1111 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1112 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt,
1113 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
1114 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
1115 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1116 .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
1117 .vidioc_querybuf = vb2_ioctl_querybuf,
1118 .vidioc_qbuf = vb2_ioctl_qbuf,
1119 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1120 .vidioc_streamon = vb2_ioctl_streamon,
1121 .vidioc_streamoff = vb2_ioctl_streamoff,
1122 .vidioc_cropcap = vidioc_cropcap,
1123 .vidioc_s_std = vidioc_s_std,
1124 .vidioc_g_std = vidioc_g_std,
1125 .vidioc_enum_input = vidioc_enum_input,
1126 .vidioc_g_input = vidioc_g_input,
1127 .vidioc_s_input = vidioc_s_input,
1128 .vidioc_log_status = vidioc_log_status,
1129 .vidioc_g_tuner = vidioc_g_tuner,
1130 .vidioc_s_tuner = vidioc_s_tuner,
1131 .vidioc_g_frequency = vidioc_g_frequency,
1132 .vidioc_s_frequency = vidioc_s_frequency,
1133 #ifdef CONFIG_VIDEO_ADV_DEBUG
1134 .vidioc_g_chip_info = cx23885_g_chip_info,
1135 .vidioc_g_register = cx23885_g_register,
1136 .vidioc_s_register = cx23885_s_register,
1137 #endif
1138 .vidioc_enumaudio = vidioc_enum_audinput,
1139 .vidioc_g_audio = vidioc_g_audinput,
1140 .vidioc_s_audio = vidioc_s_audinput,
1141 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1142 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1143 };
1144
1145 static struct video_device cx23885_vbi_template;
1146 static struct video_device cx23885_video_template = {
1147 .name = "cx23885-video",
1148 .fops = &video_fops,
1149 .ioctl_ops = &video_ioctl_ops,
1150 .tvnorms = CX23885_NORMS,
1151 };
1152
1153 void cx23885_video_unregister(struct cx23885_dev *dev)
1154 {
1155 dprintk(1, "%s()\n", __func__);
1156 cx23885_irq_remove(dev, 0x01);
1157
1158 if (dev->vbi_dev) {
1159 if (video_is_registered(dev->vbi_dev))
1160 video_unregister_device(dev->vbi_dev);
1161 else
1162 video_device_release(dev->vbi_dev);
1163 dev->vbi_dev = NULL;
1164 }
1165 if (dev->video_dev) {
1166 if (video_is_registered(dev->video_dev))
1167 video_unregister_device(dev->video_dev);
1168 else
1169 video_device_release(dev->video_dev);
1170 dev->video_dev = NULL;
1171 }
1172
1173 if (dev->audio_dev)
1174 cx23885_audio_unregister(dev);
1175 }
1176
1177 int cx23885_video_register(struct cx23885_dev *dev)
1178 {
1179 struct vb2_queue *q;
1180 int err;
1181
1182 dprintk(1, "%s()\n", __func__);
1183
1184 /* Initialize VBI template */
1185 cx23885_vbi_template = cx23885_video_template;
1186 strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1187
1188 dev->tvnorm = V4L2_STD_NTSC_M;
1189 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1190 dev->field = V4L2_FIELD_INTERLACED;
1191 dev->width = 720;
1192 dev->height = norm_maxh(dev->tvnorm);
1193
1194 /* init video dma queues */
1195 INIT_LIST_HEAD(&dev->vidq.active);
1196
1197 /* init vbi dma queues */
1198 INIT_LIST_HEAD(&dev->vbiq.active);
1199
1200 cx23885_irq_add_enable(dev, 0x01);
1201
1202 if ((TUNER_ABSENT != dev->tuner_type) &&
1203 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1204 struct v4l2_subdev *sd = NULL;
1205
1206 if (dev->tuner_addr)
1207 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1208 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1209 "tuner", dev->tuner_addr, NULL);
1210 else
1211 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1212 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1213 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1214 if (sd) {
1215 struct tuner_setup tun_setup;
1216
1217 memset(&tun_setup, 0, sizeof(tun_setup));
1218 tun_setup.mode_mask = T_ANALOG_TV;
1219 tun_setup.type = dev->tuner_type;
1220 tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1221 tun_setup.tuner_callback = cx23885_tuner_callback;
1222
1223 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1224
1225 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1226 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1227 struct xc2028_ctrl ctrl = {
1228 .fname = XC2028_DEFAULT_FIRMWARE,
1229 .max_len = 64
1230 };
1231 struct v4l2_priv_tun_config cfg = {
1232 .tuner = dev->tuner_type,
1233 .priv = &ctrl
1234 };
1235 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1236 }
1237
1238 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1239 struct xc2028_ctrl ctrl = {
1240 .fname = "xc3028L-v36.fw",
1241 .max_len = 64
1242 };
1243 struct v4l2_priv_tun_config cfg = {
1244 .tuner = dev->tuner_type,
1245 .priv = &ctrl
1246 };
1247 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1248 }
1249 }
1250 }
1251
1252 /* initial device configuration */
1253 mutex_lock(&dev->lock);
1254 cx23885_set_tvnorm(dev, dev->tvnorm);
1255 cx23885_video_mux(dev, 0);
1256 cx23885_audio_mux(dev, 0);
1257 mutex_unlock(&dev->lock);
1258
1259 q = &dev->vb2_vidq;
1260 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1261 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1262 q->gfp_flags = GFP_DMA32;
1263 q->min_buffers_needed = 2;
1264 q->drv_priv = dev;
1265 q->buf_struct_size = sizeof(struct cx23885_buffer);
1266 q->ops = &cx23885_video_qops;
1267 q->mem_ops = &vb2_dma_sg_memops;
1268 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1269 q->lock = &dev->lock;
1270 q->dev = &dev->pci->dev;
1271
1272 err = vb2_queue_init(q);
1273 if (err < 0)
1274 goto fail_unreg;
1275
1276 q = &dev->vb2_vbiq;
1277 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1278 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1279 q->gfp_flags = GFP_DMA32;
1280 q->min_buffers_needed = 2;
1281 q->drv_priv = dev;
1282 q->buf_struct_size = sizeof(struct cx23885_buffer);
1283 q->ops = &cx23885_vbi_qops;
1284 q->mem_ops = &vb2_dma_sg_memops;
1285 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1286 q->lock = &dev->lock;
1287 q->dev = &dev->pci->dev;
1288
1289 err = vb2_queue_init(q);
1290 if (err < 0)
1291 goto fail_unreg;
1292
1293 /* register Video device */
1294 dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1295 &cx23885_video_template, "video");
1296 dev->video_dev->queue = &dev->vb2_vidq;
1297 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1298 video_nr[dev->nr]);
1299 if (err < 0) {
1300 printk(KERN_INFO "%s: can't register video device\n",
1301 dev->name);
1302 goto fail_unreg;
1303 }
1304 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1305 dev->name, video_device_node_name(dev->video_dev));
1306
1307 /* register VBI device */
1308 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1309 &cx23885_vbi_template, "vbi");
1310 dev->vbi_dev->queue = &dev->vb2_vbiq;
1311 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1312 vbi_nr[dev->nr]);
1313 if (err < 0) {
1314 printk(KERN_INFO "%s: can't register vbi device\n",
1315 dev->name);
1316 goto fail_unreg;
1317 }
1318 printk(KERN_INFO "%s: registered device %s\n",
1319 dev->name, video_device_node_name(dev->vbi_dev));
1320
1321 /* Register ALSA audio device */
1322 dev->audio_dev = cx23885_audio_register(dev);
1323
1324 return 0;
1325
1326 fail_unreg:
1327 cx23885_video_unregister(dev);
1328 return err;
1329 }
Linux with added FPC-III support