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s390/ptrace: get rid of long longs in psw_bits
[linux/fpc-iii.git] / drivers / media / pci / cx23885 / cx23885-video.c
blob71a80e2b842ca9c395cb4a000f77ae482fb57dbc
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 }
Linux with added FPC-III support