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Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / drivers / media / video / 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 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include <linux/init.h>
23 #include <linux/list.h>
24 #include <linux/module.h>
25 #include <linux/moduleparam.h>
26 #include <linux/kmod.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
29 #include <linux/interrupt.h>
30 #include <linux/delay.h>
31 #include <linux/kthread.h>
32 #include <asm/div64.h>
33
34 #include "cx23885.h"
35 #include <media/v4l2-common.h>
36 #include <media/v4l2-ioctl.h>
37 #include "cx23885-ioctl.h"
38 #include "tuner-xc2028.h"
39
40 #include <media/cx25840.h>
41
42 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
43 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
44 MODULE_LICENSE("GPL");
45
46 /* ------------------------------------------------------------------ */
47
48 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
49 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
50 static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
51
52 module_param_array(video_nr, int, NULL, 0444);
53 module_param_array(vbi_nr, int, NULL, 0444);
54 module_param_array(radio_nr, int, NULL, 0444);
55
56 MODULE_PARM_DESC(video_nr, "video device numbers");
57 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
58 MODULE_PARM_DESC(radio_nr, "radio device numbers");
59
60 static unsigned int video_debug;
61 module_param(video_debug, int, 0644);
62 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
63
64 static unsigned int irq_debug;
65 module_param(irq_debug, int, 0644);
66 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
67
68 static unsigned int vid_limit = 16;
69 module_param(vid_limit, int, 0644);
70 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
71
72 #define dprintk(level, fmt, arg...)\
73 do { if (video_debug >= level)\
74 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
75 } while (0)
76
77 /* ------------------------------------------------------------------- */
78 /* static data */
79
80 #define FORMAT_FLAGS_PACKED 0x01
81 #if 0
82 static struct cx23885_fmt formats[] = {
83 {
84 .name = "8 bpp, gray",
85 .fourcc = V4L2_PIX_FMT_GREY,
86 .depth = 8,
87 .flags = FORMAT_FLAGS_PACKED,
88 }, {
89 .name = "15 bpp RGB, le",
90 .fourcc = V4L2_PIX_FMT_RGB555,
91 .depth = 16,
92 .flags = FORMAT_FLAGS_PACKED,
93 }, {
94 .name = "15 bpp RGB, be",
95 .fourcc = V4L2_PIX_FMT_RGB555X,
96 .depth = 16,
97 .flags = FORMAT_FLAGS_PACKED,
98 }, {
99 .name = "16 bpp RGB, le",
100 .fourcc = V4L2_PIX_FMT_RGB565,
101 .depth = 16,
102 .flags = FORMAT_FLAGS_PACKED,
103 }, {
104 .name = "16 bpp RGB, be",
105 .fourcc = V4L2_PIX_FMT_RGB565X,
106 .depth = 16,
107 .flags = FORMAT_FLAGS_PACKED,
108 }, {
109 .name = "24 bpp RGB, le",
110 .fourcc = V4L2_PIX_FMT_BGR24,
111 .depth = 24,
112 .flags = FORMAT_FLAGS_PACKED,
113 }, {
114 .name = "32 bpp RGB, le",
115 .fourcc = V4L2_PIX_FMT_BGR32,
116 .depth = 32,
117 .flags = FORMAT_FLAGS_PACKED,
118 }, {
119 .name = "32 bpp RGB, be",
120 .fourcc = V4L2_PIX_FMT_RGB32,
121 .depth = 32,
122 .flags = FORMAT_FLAGS_PACKED,
123 }, {
124 .name = "4:2:2, packed, YUYV",
125 .fourcc = V4L2_PIX_FMT_YUYV,
126 .depth = 16,
127 .flags = FORMAT_FLAGS_PACKED,
128 }, {
129 .name = "4:2:2, packed, UYVY",
130 .fourcc = V4L2_PIX_FMT_UYVY,
131 .depth = 16,
132 .flags = FORMAT_FLAGS_PACKED,
133 },
134 };
135 #else
136 static struct cx23885_fmt formats[] = {
137 {
138 #if 0
139 .name = "4:2:2, packed, UYVY",
140 .fourcc = V4L2_PIX_FMT_UYVY,
141 .depth = 16,
142 .flags = FORMAT_FLAGS_PACKED,
143 }, {
144 #endif
145 .name = "4:2:2, packed, YUYV",
146 .fourcc = V4L2_PIX_FMT_YUYV,
147 .depth = 16,
148 .flags = FORMAT_FLAGS_PACKED,
149 }
150 };
151 #endif
152
153 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
154 {
155 unsigned int i;
156
157 for (i = 0; i < ARRAY_SIZE(formats); i++)
158 if (formats[i].fourcc == fourcc)
159 return formats+i;
160
161 printk(KERN_ERR "%s(%c%c%c%c) NOT FOUND\n", __func__,
162 (fourcc & 0xff),
163 ((fourcc >> 8) & 0xff),
164 ((fourcc >> 16) & 0xff),
165 ((fourcc >> 24) & 0xff)
166 );
167 return NULL;
168 }
169
170 /* ------------------------------------------------------------------- */
171
172 static const struct v4l2_queryctrl no_ctl = {
173 .name = "42",
174 .flags = V4L2_CTRL_FLAG_DISABLED,
175 };
176
177 static struct cx23885_ctrl cx23885_ctls[] = {
178 /* --- video --- */
179 {
180 .v = {
181 .id = V4L2_CID_BRIGHTNESS,
182 .name = "Brightness",
183 .minimum = 0x00,
184 .maximum = 0xff,
185 .step = 1,
186 .default_value = 0x7f,
187 .type = V4L2_CTRL_TYPE_INTEGER,
188 },
189 .off = 128,
190 .reg = LUMA_CTRL,
191 .mask = 0x00ff,
192 .shift = 0,
193 }, {
194 .v = {
195 .id = V4L2_CID_CONTRAST,
196 .name = "Contrast",
197 .minimum = 0,
198 .maximum = 0x7f,
199 .step = 1,
200 .default_value = 0x3f,
201 .type = V4L2_CTRL_TYPE_INTEGER,
202 },
203 .off = 0,
204 .reg = LUMA_CTRL,
205 .mask = 0xff00,
206 .shift = 8,
207 }, {
208 .v = {
209 .id = V4L2_CID_HUE,
210 .name = "Hue",
211 .minimum = -127,
212 .maximum = 128,
213 .step = 1,
214 .default_value = 0x0,
215 .type = V4L2_CTRL_TYPE_INTEGER,
216 },
217 .off = 128,
218 .reg = CHROMA_CTRL,
219 .mask = 0xff0000,
220 .shift = 16,
221 }, {
222 /* strictly, this only describes only U saturation.
223 * V saturation is handled specially through code.
224 */
225 .v = {
226 .id = V4L2_CID_SATURATION,
227 .name = "Saturation",
228 .minimum = 0,
229 .maximum = 0x7f,
230 .step = 1,
231 .default_value = 0x3f,
232 .type = V4L2_CTRL_TYPE_INTEGER,
233 },
234 .off = 0,
235 .reg = CHROMA_CTRL,
236 .mask = 0x00ff,
237 .shift = 0,
238 }, {
239 /* --- audio --- */
240 .v = {
241 .id = V4L2_CID_AUDIO_MUTE,
242 .name = "Mute",
243 .minimum = 0,
244 .maximum = 1,
245 .default_value = 1,
246 .type = V4L2_CTRL_TYPE_BOOLEAN,
247 },
248 .reg = PATH1_CTL1,
249 .mask = (0x1f << 24),
250 .shift = 24,
251 }, {
252 .v = {
253 .id = V4L2_CID_AUDIO_VOLUME,
254 .name = "Volume",
255 .minimum = 0,
256 .maximum = 65535,
257 .step = 65535 / 100,
258 .default_value = 65535,
259 .type = V4L2_CTRL_TYPE_INTEGER,
260 },
261 .reg = PATH1_VOL_CTL,
262 .mask = 0xff,
263 .shift = 0,
264 }
265 };
266 static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);
267
268 /* Must be sorted from low to high control ID! */
269 static const u32 cx23885_user_ctrls[] = {
270 V4L2_CID_USER_CLASS,
271 V4L2_CID_BRIGHTNESS,
272 V4L2_CID_CONTRAST,
273 V4L2_CID_SATURATION,
274 V4L2_CID_HUE,
275 V4L2_CID_AUDIO_VOLUME,
276 V4L2_CID_AUDIO_MUTE,
277 0
278 };
279
280 static const u32 *ctrl_classes[] = {
281 cx23885_user_ctrls,
282 NULL
283 };
284
285 void cx23885_video_wakeup(struct cx23885_dev *dev,
286 struct cx23885_dmaqueue *q, u32 count)
287 {
288 struct cx23885_buffer *buf;
289 int bc;
290
291 for (bc = 0;; bc++) {
292 if (list_empty(&q->active))
293 break;
294 buf = list_entry(q->active.next,
295 struct cx23885_buffer, vb.queue);
296
297 /* count comes from the hw and is is 16bit wide --
298 * this trick handles wrap-arounds correctly for
299 * up to 32767 buffers in flight... */
300 if ((s16) (count - buf->count) < 0)
301 break;
302
303 do_gettimeofday(&buf->vb.ts);
304 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i,
305 count, buf->count);
306 buf->vb.state = VIDEOBUF_DONE;
307 list_del(&buf->vb.queue);
308 wake_up(&buf->vb.done);
309 }
310 if (list_empty(&q->active))
311 del_timer(&q->timeout);
312 else
313 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
314 if (bc != 1)
315 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n",
316 __func__, bc);
317 }
318
319 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
320 {
321 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
322 __func__,
323 (unsigned int)norm,
324 v4l2_norm_to_name(norm));
325
326 dev->tvnorm = norm;
327
328 call_all(dev, core, s_std, norm);
329
330 return 0;
331 }
332
333 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
334 struct pci_dev *pci,
335 struct video_device *template,
336 char *type)
337 {
338 struct video_device *vfd;
339 dprintk(1, "%s()\n", __func__);
340
341 vfd = video_device_alloc();
342 if (NULL == vfd)
343 return NULL;
344 *vfd = *template;
345 vfd->v4l2_dev = &dev->v4l2_dev;
346 vfd->release = video_device_release;
347 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
348 cx23885_boards[dev->board].name, type);
349 video_set_drvdata(vfd, dev);
350 return vfd;
351 }
352
353 static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
354 {
355 int i;
356
357 if (qctrl->id < V4L2_CID_BASE ||
358 qctrl->id >= V4L2_CID_LASTP1)
359 return -EINVAL;
360 for (i = 0; i < CX23885_CTLS; i++)
361 if (cx23885_ctls[i].v.id == qctrl->id)
362 break;
363 if (i == CX23885_CTLS) {
364 *qctrl = no_ctl;
365 return 0;
366 }
367 *qctrl = cx23885_ctls[i].v;
368 return 0;
369 }
370
371 /* ------------------------------------------------------------------- */
372 /* resource management */
373
374 static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh,
375 unsigned int bit)
376 {
377 dprintk(1, "%s()\n", __func__);
378 if (fh->resources & bit)
379 /* have it already allocated */
380 return 1;
381
382 /* is it free? */
383 mutex_lock(&dev->lock);
384 if (dev->resources & bit) {
385 /* no, someone else uses it */
386 mutex_unlock(&dev->lock);
387 return 0;
388 }
389 /* it's free, grab it */
390 fh->resources |= bit;
391 dev->resources |= bit;
392 dprintk(1, "res: get %d\n", bit);
393 mutex_unlock(&dev->lock);
394 return 1;
395 }
396
397 static int res_check(struct cx23885_fh *fh, unsigned int bit)
398 {
399 return fh->resources & bit;
400 }
401
402 static int res_locked(struct cx23885_dev *dev, unsigned int bit)
403 {
404 return dev->resources & bit;
405 }
406
407 static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
408 unsigned int bits)
409 {
410 BUG_ON((fh->resources & bits) != bits);
411 dprintk(1, "%s()\n", __func__);
412
413 mutex_lock(&dev->lock);
414 fh->resources &= ~bits;
415 dev->resources &= ~bits;
416 dprintk(1, "res: put %d\n", bits);
417 mutex_unlock(&dev->lock);
418 }
419
420 static int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
421 {
422 /* 8 bit registers, 8 bit values */
423 u8 buf[] = { reg, data };
424
425 struct i2c_msg msg = { .addr = 0x98 >> 1,
426 .flags = 0, .buf = buf, .len = 2 };
427
428 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
429 }
430
431 static u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
432 {
433 /* 8 bit registers, 8 bit values */
434 int ret;
435 u8 b0[] = { reg };
436 u8 b1[] = { 0 };
437
438 struct i2c_msg msg[] = {
439 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
440 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
441 };
442
443 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
444 if (ret != 2)
445 printk(KERN_ERR "%s() error\n", __func__);
446
447 return b1[0];
448 }
449
450 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
451 {
452 int i;
453 dprintk(1, "Flatiron dump\n");
454 for (i = 0; i < 0x24; i++) {
455 dprintk(1, "FI[%02x] = %02x\n", i,
456 cx23885_flatiron_read(dev, i));
457 }
458 }
459
460 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
461 {
462 u8 val;
463 dprintk(1, "%s(input = %d)\n", __func__, input);
464
465 if (input == 1)
466 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
467 else if (input == 2)
468 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
469 else
470 return -EINVAL;
471
472 val |= 0x20; /* Enable clock to delta-sigma and dec filter */
473
474 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
475
476 /* Wake up */
477 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
478
479 if (video_debug)
480 cx23885_flatiron_dump(dev);
481
482 return 0;
483 }
484
485 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
486 {
487 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
488 __func__,
489 input, INPUT(input)->vmux,
490 INPUT(input)->gpio0, INPUT(input)->gpio1,
491 INPUT(input)->gpio2, INPUT(input)->gpio3);
492 dev->input = input;
493
494 if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
495 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
496 dev->board == CX23885_BOARD_MYGICA_X8507) {
497 /* Select Analog TV */
498 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
499 cx23885_gpio_clear(dev, GPIO_0);
500 }
501
502 /* Tell the internal A/V decoder */
503 v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
504 INPUT(input)->vmux, 0, 0);
505
506 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
507 (dev->board == CX23885_BOARD_MPX885) ||
508 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
509 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
510 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
511 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850)) {
512 /* Configure audio routing */
513 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
514 INPUT(input)->amux, 0, 0);
515
516 if (INPUT(input)->amux == CX25840_AUDIO7)
517 cx23885_flatiron_mux(dev, 1);
518 else if (INPUT(input)->amux == CX25840_AUDIO6)
519 cx23885_flatiron_mux(dev, 2);
520 }
521
522 return 0;
523 }
524
525 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
526 {
527 dprintk(1, "%s(input=%d)\n", __func__, input);
528
529 /* The baseband video core of the cx23885 has two audio inputs.
530 * LR1 and LR2. In almost every single case so far only HVR1xxx
531 * cards we've only ever supported LR1. Time to support LR2,
532 * which is available via the optional white breakout header on
533 * the board.
534 * We'll use a could of existing enums in the card struct to allow
535 * devs to specify which baseband input they need, or just default
536 * to what we've always used.
537 */
538 if (INPUT(input)->amux == CX25840_AUDIO7)
539 cx23885_flatiron_mux(dev, 1);
540 else if (INPUT(input)->amux == CX25840_AUDIO6)
541 cx23885_flatiron_mux(dev, 2);
542 else {
543 /* Not specifically defined, assume the default. */
544 cx23885_flatiron_mux(dev, 1);
545 }
546
547 return 0;
548 }
549
550 /* ------------------------------------------------------------------ */
551 static int cx23885_start_video_dma(struct cx23885_dev *dev,
552 struct cx23885_dmaqueue *q,
553 struct cx23885_buffer *buf)
554 {
555 dprintk(1, "%s()\n", __func__);
556
557 /* Stop the dma/fifo before we tamper with it's risc programs */
558 cx_clear(VID_A_DMA_CTL, 0x11);
559
560 /* setup fifo + format */
561 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
562 buf->bpl, buf->risc.dma);
563
564 /* reset counter */
565 cx_write(VID_A_GPCNT_CTL, 3);
566 q->count = 1;
567
568 /* enable irq */
569 cx23885_irq_add_enable(dev, 0x01);
570 cx_set(VID_A_INT_MSK, 0x000011);
571
572 /* start dma */
573 cx_set(DEV_CNTRL2, (1<<5));
574 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
575
576 return 0;
577 }
578
579
580 static int cx23885_restart_video_queue(struct cx23885_dev *dev,
581 struct cx23885_dmaqueue *q)
582 {
583 struct cx23885_buffer *buf, *prev;
584 struct list_head *item;
585 dprintk(1, "%s()\n", __func__);
586
587 if (!list_empty(&q->active)) {
588 buf = list_entry(q->active.next, struct cx23885_buffer,
589 vb.queue);
590 dprintk(2, "restart_queue [%p/%d]: restart dma\n",
591 buf, buf->vb.i);
592 cx23885_start_video_dma(dev, q, buf);
593 list_for_each(item, &q->active) {
594 buf = list_entry(item, struct cx23885_buffer,
595 vb.queue);
596 buf->count = q->count++;
597 }
598 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
599 return 0;
600 }
601
602 prev = NULL;
603 for (;;) {
604 if (list_empty(&q->queued))
605 return 0;
606 buf = list_entry(q->queued.next, struct cx23885_buffer,
607 vb.queue);
608 if (NULL == prev) {
609 list_move_tail(&buf->vb.queue, &q->active);
610 cx23885_start_video_dma(dev, q, buf);
611 buf->vb.state = VIDEOBUF_ACTIVE;
612 buf->count = q->count++;
613 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
614 dprintk(2, "[%p/%d] restart_queue - first active\n",
615 buf, buf->vb.i);
616
617 } else if (prev->vb.width == buf->vb.width &&
618 prev->vb.height == buf->vb.height &&
619 prev->fmt == buf->fmt) {
620 list_move_tail(&buf->vb.queue, &q->active);
621 buf->vb.state = VIDEOBUF_ACTIVE;
622 buf->count = q->count++;
623 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
624 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
625 dprintk(2, "[%p/%d] restart_queue - move to active\n",
626 buf, buf->vb.i);
627 } else {
628 return 0;
629 }
630 prev = buf;
631 }
632 }
633
634 static int buffer_setup(struct videobuf_queue *q, unsigned int *count,
635 unsigned int *size)
636 {
637 struct cx23885_fh *fh = q->priv_data;
638
639 *size = fh->fmt->depth*fh->width*fh->height >> 3;
640 if (0 == *count)
641 *count = 32;
642 if (*size * *count > vid_limit * 1024 * 1024)
643 *count = (vid_limit * 1024 * 1024) / *size;
644 return 0;
645 }
646
647 static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
648 enum v4l2_field field)
649 {
650 struct cx23885_fh *fh = q->priv_data;
651 struct cx23885_dev *dev = fh->dev;
652 struct cx23885_buffer *buf =
653 container_of(vb, struct cx23885_buffer, vb);
654 int rc, init_buffer = 0;
655 u32 line0_offset, line1_offset;
656 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
657 int field_tff;
658
659 BUG_ON(NULL == fh->fmt);
660 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) ||
661 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm))
662 return -EINVAL;
663 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
664 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
665 return -EINVAL;
666
667 if (buf->fmt != fh->fmt ||
668 buf->vb.width != fh->width ||
669 buf->vb.height != fh->height ||
670 buf->vb.field != field) {
671 buf->fmt = fh->fmt;
672 buf->vb.width = fh->width;
673 buf->vb.height = fh->height;
674 buf->vb.field = field;
675 init_buffer = 1;
676 }
677
678 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
679 init_buffer = 1;
680 rc = videobuf_iolock(q, &buf->vb, NULL);
681 if (0 != rc)
682 goto fail;
683 }
684
685 if (init_buffer) {
686 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
687 switch (buf->vb.field) {
688 case V4L2_FIELD_TOP:
689 cx23885_risc_buffer(dev->pci, &buf->risc,
690 dma->sglist, 0, UNSET,
691 buf->bpl, 0, buf->vb.height);
692 break;
693 case V4L2_FIELD_BOTTOM:
694 cx23885_risc_buffer(dev->pci, &buf->risc,
695 dma->sglist, UNSET, 0,
696 buf->bpl, 0, buf->vb.height);
697 break;
698 case V4L2_FIELD_INTERLACED:
699 if (dev->tvnorm & V4L2_STD_NTSC)
700 /* NTSC or */
701 field_tff = 1;
702 else
703 field_tff = 0;
704
705 if (cx23885_boards[dev->board].force_bff)
706 /* PAL / SECAM OR 888 in NTSC MODE */
707 field_tff = 0;
708
709 if (field_tff) {
710 /* cx25840 transmits NTSC bottom field first */
711 dprintk(1, "%s() Creating TFF/NTSC risc\n",
712 __func__);
713 line0_offset = buf->bpl;
714 line1_offset = 0;
715 } else {
716 /* All other formats are top field first */
717 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
718 __func__);
719 line0_offset = 0;
720 line1_offset = buf->bpl;
721 }
722 cx23885_risc_buffer(dev->pci, &buf->risc,
723 dma->sglist, line0_offset,
724 line1_offset,
725 buf->bpl, buf->bpl,
726 buf->vb.height >> 1);
727 break;
728 case V4L2_FIELD_SEQ_TB:
729 cx23885_risc_buffer(dev->pci, &buf->risc,
730 dma->sglist,
731 0, buf->bpl * (buf->vb.height >> 1),
732 buf->bpl, 0,
733 buf->vb.height >> 1);
734 break;
735 case V4L2_FIELD_SEQ_BT:
736 cx23885_risc_buffer(dev->pci, &buf->risc,
737 dma->sglist,
738 buf->bpl * (buf->vb.height >> 1), 0,
739 buf->bpl, 0,
740 buf->vb.height >> 1);
741 break;
742 default:
743 BUG();
744 }
745 }
746 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
747 buf, buf->vb.i,
748 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
749 (unsigned long)buf->risc.dma);
750
751 buf->vb.state = VIDEOBUF_PREPARED;
752 return 0;
753
754 fail:
755 cx23885_free_buffer(q, buf);
756 return rc;
757 }
758
759 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
760 {
761 struct cx23885_buffer *buf = container_of(vb,
762 struct cx23885_buffer, vb);
763 struct cx23885_buffer *prev;
764 struct cx23885_fh *fh = vq->priv_data;
765 struct cx23885_dev *dev = fh->dev;
766 struct cx23885_dmaqueue *q = &dev->vidq;
767
768 /* add jump to stopper */
769 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
770 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
771 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
772
773 if (!list_empty(&q->queued)) {
774 list_add_tail(&buf->vb.queue, &q->queued);
775 buf->vb.state = VIDEOBUF_QUEUED;
776 dprintk(2, "[%p/%d] buffer_queue - append to queued\n",
777 buf, buf->vb.i);
778
779 } else if (list_empty(&q->active)) {
780 list_add_tail(&buf->vb.queue, &q->active);
781 cx23885_start_video_dma(dev, q, buf);
782 buf->vb.state = VIDEOBUF_ACTIVE;
783 buf->count = q->count++;
784 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
785 dprintk(2, "[%p/%d] buffer_queue - first active\n",
786 buf, buf->vb.i);
787
788 } else {
789 prev = list_entry(q->active.prev, struct cx23885_buffer,
790 vb.queue);
791 if (prev->vb.width == buf->vb.width &&
792 prev->vb.height == buf->vb.height &&
793 prev->fmt == buf->fmt) {
794 list_add_tail(&buf->vb.queue, &q->active);
795 buf->vb.state = VIDEOBUF_ACTIVE;
796 buf->count = q->count++;
797 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
798 /* 64 bit bits 63-32 */
799 prev->risc.jmp[2] = cpu_to_le32(0);
800 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
801 buf, buf->vb.i);
802
803 } else {
804 list_add_tail(&buf->vb.queue, &q->queued);
805 buf->vb.state = VIDEOBUF_QUEUED;
806 dprintk(2, "[%p/%d] buffer_queue - first queued\n",
807 buf, buf->vb.i);
808 }
809 }
810 }
811
812 static void buffer_release(struct videobuf_queue *q,
813 struct videobuf_buffer *vb)
814 {
815 struct cx23885_buffer *buf = container_of(vb,
816 struct cx23885_buffer, vb);
817
818 cx23885_free_buffer(q, buf);
819 }
820
821 static struct videobuf_queue_ops cx23885_video_qops = {
822 .buf_setup = buffer_setup,
823 .buf_prepare = buffer_prepare,
824 .buf_queue = buffer_queue,
825 .buf_release = buffer_release,
826 };
827
828 static struct videobuf_queue *get_queue(struct cx23885_fh *fh)
829 {
830 switch (fh->type) {
831 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
832 return &fh->vidq;
833 case V4L2_BUF_TYPE_VBI_CAPTURE:
834 return &fh->vbiq;
835 default:
836 BUG();
837 return NULL;
838 }
839 }
840
841 static int get_resource(struct cx23885_fh *fh)
842 {
843 switch (fh->type) {
844 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
845 return RESOURCE_VIDEO;
846 case V4L2_BUF_TYPE_VBI_CAPTURE:
847 return RESOURCE_VBI;
848 default:
849 BUG();
850 return 0;
851 }
852 }
853
854 static int video_open(struct file *file)
855 {
856 struct video_device *vdev = video_devdata(file);
857 struct cx23885_dev *dev = video_drvdata(file);
858 struct cx23885_fh *fh;
859 enum v4l2_buf_type type = 0;
860 int radio = 0;
861
862 switch (vdev->vfl_type) {
863 case VFL_TYPE_GRABBER:
864 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
865 break;
866 case VFL_TYPE_VBI:
867 type = V4L2_BUF_TYPE_VBI_CAPTURE;
868 break;
869 case VFL_TYPE_RADIO:
870 radio = 1;
871 break;
872 }
873
874 dprintk(1, "open dev=%s radio=%d type=%s\n",
875 video_device_node_name(vdev), radio, v4l2_type_names[type]);
876
877 /* allocate + initialize per filehandle data */
878 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
879 if (NULL == fh)
880 return -ENOMEM;
881
882 file->private_data = fh;
883 fh->dev = dev;
884 fh->radio = radio;
885 fh->type = type;
886 fh->width = 320;
887 fh->height = 240;
888 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
889
890 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
891 &dev->pci->dev, &dev->slock,
892 V4L2_BUF_TYPE_VIDEO_CAPTURE,
893 V4L2_FIELD_INTERLACED,
894 sizeof(struct cx23885_buffer),
895 fh, NULL);
896
897 videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops,
898 &dev->pci->dev, &dev->slock,
899 V4L2_BUF_TYPE_VBI_CAPTURE,
900 V4L2_FIELD_SEQ_TB,
901 sizeof(struct cx23885_buffer),
902 fh, NULL);
903
904
905 dprintk(1, "post videobuf_queue_init()\n");
906
907 return 0;
908 }
909
910 static ssize_t video_read(struct file *file, char __user *data,
911 size_t count, loff_t *ppos)
912 {
913 struct cx23885_fh *fh = file->private_data;
914
915 switch (fh->type) {
916 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
917 if (res_locked(fh->dev, RESOURCE_VIDEO))
918 return -EBUSY;
919 return videobuf_read_one(&fh->vidq, data, count, ppos,
920 file->f_flags & O_NONBLOCK);
921 case V4L2_BUF_TYPE_VBI_CAPTURE:
922 if (!res_get(fh->dev, fh, RESOURCE_VBI))
923 return -EBUSY;
924 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
925 file->f_flags & O_NONBLOCK);
926 default:
927 BUG();
928 return 0;
929 }
930 }
931
932 static unsigned int video_poll(struct file *file,
933 struct poll_table_struct *wait)
934 {
935 struct cx23885_fh *fh = file->private_data;
936 struct cx23885_buffer *buf;
937 unsigned int rc = POLLERR;
938
939 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
940 if (!res_get(fh->dev, fh, RESOURCE_VBI))
941 return POLLERR;
942 return videobuf_poll_stream(file, &fh->vbiq, wait);
943 }
944
945 mutex_lock(&fh->vidq.vb_lock);
946 if (res_check(fh, RESOURCE_VIDEO)) {
947 /* streaming capture */
948 if (list_empty(&fh->vidq.stream))
949 goto done;
950 buf = list_entry(fh->vidq.stream.next,
951 struct cx23885_buffer, vb.stream);
952 } else {
953 /* read() capture */
954 buf = (struct cx23885_buffer *)fh->vidq.read_buf;
955 if (NULL == buf)
956 goto done;
957 }
958 poll_wait(file, &buf->vb.done, wait);
959 if (buf->vb.state == VIDEOBUF_DONE ||
960 buf->vb.state == VIDEOBUF_ERROR)
961 rc = POLLIN|POLLRDNORM;
962 else
963 rc = 0;
964 done:
965 mutex_unlock(&fh->vidq.vb_lock);
966 return rc;
967 }
968
969 static int video_release(struct file *file)
970 {
971 struct cx23885_fh *fh = file->private_data;
972 struct cx23885_dev *dev = fh->dev;
973
974 /* turn off overlay */
975 if (res_check(fh, RESOURCE_OVERLAY)) {
976 /* FIXME */
977 res_free(dev, fh, RESOURCE_OVERLAY);
978 }
979
980 /* stop video capture */
981 if (res_check(fh, RESOURCE_VIDEO)) {
982 videobuf_queue_cancel(&fh->vidq);
983 res_free(dev, fh, RESOURCE_VIDEO);
984 }
985 if (fh->vidq.read_buf) {
986 buffer_release(&fh->vidq, fh->vidq.read_buf);
987 kfree(fh->vidq.read_buf);
988 }
989
990 /* stop vbi capture */
991 if (res_check(fh, RESOURCE_VBI)) {
992 if (fh->vbiq.streaming)
993 videobuf_streamoff(&fh->vbiq);
994 if (fh->vbiq.reading)
995 videobuf_read_stop(&fh->vbiq);
996 res_free(dev, fh, RESOURCE_VBI);
997 }
998
999 videobuf_mmap_free(&fh->vidq);
1000 videobuf_mmap_free(&fh->vbiq);
1001
1002 file->private_data = NULL;
1003 kfree(fh);
1004
1005 /* We are not putting the tuner to sleep here on exit, because
1006 * we want to use the mpeg encoder in another session to capture
1007 * tuner video. Closing this will result in no video to the encoder.
1008 */
1009
1010 return 0;
1011 }
1012
1013 static int video_mmap(struct file *file, struct vm_area_struct *vma)
1014 {
1015 struct cx23885_fh *fh = file->private_data;
1016
1017 return videobuf_mmap_mapper(get_queue(fh), vma);
1018 }
1019
1020 /* ------------------------------------------------------------------ */
1021 /* VIDEO CTRL IOCTLS */
1022
1023 int cx23885_get_control(struct cx23885_dev *dev,
1024 struct v4l2_control *ctl)
1025 {
1026 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
1027 call_all(dev, core, g_ctrl, ctl);
1028 return 0;
1029 }
1030
1031 int cx23885_set_control(struct cx23885_dev *dev,
1032 struct v4l2_control *ctl)
1033 {
1034 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__);
1035 call_all(dev, core, s_ctrl, ctl);
1036
1037 return 0;
1038 }
1039
1040 static void init_controls(struct cx23885_dev *dev)
1041 {
1042 struct v4l2_control ctrl;
1043 int i;
1044
1045 for (i = 0; i < CX23885_CTLS; i++) {
1046 ctrl.id = cx23885_ctls[i].v.id;
1047 ctrl.value = cx23885_ctls[i].v.default_value;
1048
1049 cx23885_set_control(dev, &ctrl);
1050 }
1051 }
1052
1053 /* ------------------------------------------------------------------ */
1054 /* VIDEO IOCTLS */
1055
1056 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1057 struct v4l2_format *f)
1058 {
1059 struct cx23885_fh *fh = priv;
1060
1061 f->fmt.pix.width = fh->width;
1062 f->fmt.pix.height = fh->height;
1063 f->fmt.pix.field = fh->vidq.field;
1064 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1065 f->fmt.pix.bytesperline =
1066 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1067 f->fmt.pix.sizeimage =
1068 f->fmt.pix.height * f->fmt.pix.bytesperline;
1069
1070 return 0;
1071 }
1072
1073 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1074 struct v4l2_format *f)
1075 {
1076 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1077 struct cx23885_fmt *fmt;
1078 enum v4l2_field field;
1079 unsigned int maxw, maxh;
1080
1081 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1082 if (NULL == fmt)
1083 return -EINVAL;
1084
1085 field = f->fmt.pix.field;
1086 maxw = norm_maxw(dev->tvnorm);
1087 maxh = norm_maxh(dev->tvnorm);
1088
1089 if (V4L2_FIELD_ANY == field) {
1090 field = (f->fmt.pix.height > maxh/2)
1091 ? V4L2_FIELD_INTERLACED
1092 : V4L2_FIELD_BOTTOM;
1093 }
1094
1095 switch (field) {
1096 case V4L2_FIELD_TOP:
1097 case V4L2_FIELD_BOTTOM:
1098 maxh = maxh / 2;
1099 break;
1100 case V4L2_FIELD_INTERLACED:
1101 break;
1102 default:
1103 return -EINVAL;
1104 }
1105
1106 f->fmt.pix.field = field;
1107 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1108 &f->fmt.pix.height, 32, maxh, 0, 0);
1109 f->fmt.pix.bytesperline =
1110 (f->fmt.pix.width * fmt->depth) >> 3;
1111 f->fmt.pix.sizeimage =
1112 f->fmt.pix.height * f->fmt.pix.bytesperline;
1113
1114 return 0;
1115 }
1116
1117 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1118 struct v4l2_format *f)
1119 {
1120 struct cx23885_fh *fh = priv;
1121 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1122 struct v4l2_mbus_framefmt mbus_fmt;
1123 int err;
1124
1125 dprintk(2, "%s()\n", __func__);
1126 err = vidioc_try_fmt_vid_cap(file, priv, f);
1127
1128 if (0 != err)
1129 return err;
1130 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1131 fh->width = f->fmt.pix.width;
1132 fh->height = f->fmt.pix.height;
1133 fh->vidq.field = f->fmt.pix.field;
1134 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
1135 fh->width, fh->height, fh->vidq.field);
1136 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1137 call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1138 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
1139 return 0;
1140 }
1141
1142 static int vidioc_querycap(struct file *file, void *priv,
1143 struct v4l2_capability *cap)
1144 {
1145 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1146
1147 strcpy(cap->driver, "cx23885");
1148 strlcpy(cap->card, cx23885_boards[dev->board].name,
1149 sizeof(cap->card));
1150 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1151 cap->capabilities =
1152 V4L2_CAP_VIDEO_CAPTURE |
1153 V4L2_CAP_READWRITE |
1154 V4L2_CAP_STREAMING |
1155 V4L2_CAP_VBI_CAPTURE;
1156 if (UNSET != dev->tuner_type)
1157 cap->capabilities |= V4L2_CAP_TUNER;
1158 return 0;
1159 }
1160
1161 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1162 struct v4l2_fmtdesc *f)
1163 {
1164 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1165 return -EINVAL;
1166
1167 strlcpy(f->description, formats[f->index].name,
1168 sizeof(f->description));
1169 f->pixelformat = formats[f->index].fourcc;
1170
1171 return 0;
1172 }
1173
1174 static int vidioc_reqbufs(struct file *file, void *priv,
1175 struct v4l2_requestbuffers *p)
1176 {
1177 struct cx23885_fh *fh = priv;
1178 return videobuf_reqbufs(get_queue(fh), p);
1179 }
1180
1181 static int vidioc_querybuf(struct file *file, void *priv,
1182 struct v4l2_buffer *p)
1183 {
1184 struct cx23885_fh *fh = priv;
1185 return videobuf_querybuf(get_queue(fh), p);
1186 }
1187
1188 static int vidioc_qbuf(struct file *file, void *priv,
1189 struct v4l2_buffer *p)
1190 {
1191 struct cx23885_fh *fh = priv;
1192 return videobuf_qbuf(get_queue(fh), p);
1193 }
1194
1195 static int vidioc_dqbuf(struct file *file, void *priv,
1196 struct v4l2_buffer *p)
1197 {
1198 struct cx23885_fh *fh = priv;
1199 return videobuf_dqbuf(get_queue(fh), p,
1200 file->f_flags & O_NONBLOCK);
1201 }
1202
1203 static int vidioc_streamon(struct file *file, void *priv,
1204 enum v4l2_buf_type i)
1205 {
1206 struct cx23885_fh *fh = priv;
1207 struct cx23885_dev *dev = fh->dev;
1208 dprintk(1, "%s()\n", __func__);
1209
1210 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1211 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1212 return -EINVAL;
1213 if (unlikely(i != fh->type))
1214 return -EINVAL;
1215
1216 if (unlikely(!res_get(dev, fh, get_resource(fh))))
1217 return -EBUSY;
1218
1219 /* Don't start VBI streaming unless vida streaming
1220 * has already started.
1221 */
1222 if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) &&
1223 ((cx_read(VID_A_DMA_CTL) & 0x11) == 0))
1224 return -EINVAL;
1225
1226 return videobuf_streamon(get_queue(fh));
1227 }
1228
1229 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1230 {
1231 struct cx23885_fh *fh = priv;
1232 struct cx23885_dev *dev = fh->dev;
1233 int err, res;
1234 dprintk(1, "%s()\n", __func__);
1235
1236 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1237 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1238 return -EINVAL;
1239 if (i != fh->type)
1240 return -EINVAL;
1241
1242 res = get_resource(fh);
1243 err = videobuf_streamoff(get_queue(fh));
1244 if (err < 0)
1245 return err;
1246 res_free(dev, fh, res);
1247 return 0;
1248 }
1249
1250 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1251 {
1252 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1253 dprintk(1, "%s()\n", __func__);
1254
1255 call_all(dev, core, g_std, id);
1256
1257 return 0;
1258 }
1259
1260 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
1261 {
1262 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1263 dprintk(1, "%s()\n", __func__);
1264
1265 mutex_lock(&dev->lock);
1266 cx23885_set_tvnorm(dev, *tvnorms);
1267 mutex_unlock(&dev->lock);
1268
1269 return 0;
1270 }
1271
1272 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
1273 {
1274 static const char *iname[] = {
1275 [CX23885_VMUX_COMPOSITE1] = "Composite1",
1276 [CX23885_VMUX_COMPOSITE2] = "Composite2",
1277 [CX23885_VMUX_COMPOSITE3] = "Composite3",
1278 [CX23885_VMUX_COMPOSITE4] = "Composite4",
1279 [CX23885_VMUX_SVIDEO] = "S-Video",
1280 [CX23885_VMUX_COMPONENT] = "Component",
1281 [CX23885_VMUX_TELEVISION] = "Television",
1282 [CX23885_VMUX_CABLE] = "Cable TV",
1283 [CX23885_VMUX_DVB] = "DVB",
1284 [CX23885_VMUX_DEBUG] = "for debug only",
1285 };
1286 unsigned int n;
1287 dprintk(1, "%s()\n", __func__);
1288
1289 n = i->index;
1290 if (n >= MAX_CX23885_INPUT)
1291 return -EINVAL;
1292
1293 if (0 == INPUT(n)->type)
1294 return -EINVAL;
1295
1296 i->index = n;
1297 i->type = V4L2_INPUT_TYPE_CAMERA;
1298 strcpy(i->name, iname[INPUT(n)->type]);
1299 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
1300 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
1301 i->type = V4L2_INPUT_TYPE_TUNER;
1302 i->std = CX23885_NORMS;
1303 }
1304
1305 /* Two selectable audio inputs for non-tv inputs */
1306 if (INPUT(n)->type != CX23885_VMUX_TELEVISION)
1307 i->audioset = 0x3;
1308
1309 if (dev->input == n) {
1310 /* enum'd input matches our configured input.
1311 * Ask the video decoder to process the call
1312 * and give it an oppertunity to update the
1313 * status field.
1314 */
1315 call_all(dev, video, g_input_status, &i->status);
1316 }
1317
1318 return 0;
1319 }
1320
1321 static int vidioc_enum_input(struct file *file, void *priv,
1322 struct v4l2_input *i)
1323 {
1324 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1325 dprintk(1, "%s()\n", __func__);
1326 return cx23885_enum_input(dev, i);
1327 }
1328
1329 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
1330 {
1331 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1332
1333 *i = dev->input;
1334 dprintk(1, "%s() returns %d\n", __func__, *i);
1335 return 0;
1336 }
1337
1338 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1339 {
1340 return cx23885_get_input(file, priv, i);
1341 }
1342
1343 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
1344 {
1345 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1346
1347 dprintk(1, "%s(%d)\n", __func__, i);
1348
1349 if (i >= MAX_CX23885_INPUT) {
1350 dprintk(1, "%s() -EINVAL\n", __func__);
1351 return -EINVAL;
1352 }
1353
1354 if (INPUT(i)->type == 0)
1355 return -EINVAL;
1356
1357 mutex_lock(&dev->lock);
1358 cx23885_video_mux(dev, i);
1359
1360 /* By default establish the default audio input for the card also */
1361 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
1362 cx23885_audio_mux(dev, i);
1363 mutex_unlock(&dev->lock);
1364 return 0;
1365 }
1366
1367 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1368 {
1369 return cx23885_set_input(file, priv, i);
1370 }
1371
1372 static int vidioc_log_status(struct file *file, void *priv)
1373 {
1374 struct cx23885_fh *fh = priv;
1375 struct cx23885_dev *dev = fh->dev;
1376
1377 printk(KERN_INFO
1378 "%s/0: ============ START LOG STATUS ============\n",
1379 dev->name);
1380 call_all(dev, core, log_status);
1381 printk(KERN_INFO
1382 "%s/0: ============= END LOG STATUS =============\n",
1383 dev->name);
1384 return 0;
1385 }
1386
1387 static int cx23885_query_audinput(struct file *file, void *priv,
1388 struct v4l2_audio *i)
1389 {
1390 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1391 static const char *iname[] = {
1392 [0] = "Baseband L/R 1",
1393 [1] = "Baseband L/R 2",
1394 };
1395 unsigned int n;
1396 dprintk(1, "%s()\n", __func__);
1397
1398 n = i->index;
1399 if (n >= 2)
1400 return -EINVAL;
1401
1402 memset(i, 0, sizeof(*i));
1403 i->index = n;
1404 strcpy(i->name, iname[n]);
1405 i->capability = V4L2_AUDCAP_STEREO;
1406 i->mode = V4L2_AUDMODE_AVL;
1407 return 0;
1408
1409 }
1410
1411 static int vidioc_enum_audinput(struct file *file, void *priv,
1412 struct v4l2_audio *i)
1413 {
1414 return cx23885_query_audinput(file, priv, i);
1415 }
1416
1417 static int vidioc_g_audinput(struct file *file, void *priv,
1418 struct v4l2_audio *i)
1419 {
1420 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1421
1422 i->index = dev->audinput;
1423 dprintk(1, "%s(input=%d)\n", __func__, i->index);
1424
1425 return cx23885_query_audinput(file, priv, i);
1426 }
1427
1428 static int vidioc_s_audinput(struct file *file, void *priv,
1429 struct v4l2_audio *i)
1430 {
1431 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1432 if (i->index >= 2)
1433 return -EINVAL;
1434
1435 dprintk(1, "%s(%d)\n", __func__, i->index);
1436
1437 dev->audinput = i->index;
1438
1439 /* Skip the audio defaults from the cards struct, caller wants
1440 * directly touch the audio mux hardware. */
1441 cx23885_flatiron_mux(dev, dev->audinput + 1);
1442 return 0;
1443 }
1444
1445 static int vidioc_queryctrl(struct file *file, void *priv,
1446 struct v4l2_queryctrl *qctrl)
1447 {
1448 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1449 if (unlikely(qctrl->id == 0))
1450 return -EINVAL;
1451 return cx23885_ctrl_query(qctrl);
1452 }
1453
1454 static int vidioc_g_ctrl(struct file *file, void *priv,
1455 struct v4l2_control *ctl)
1456 {
1457 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1458
1459 return cx23885_get_control(dev, ctl);
1460 }
1461
1462 static int vidioc_s_ctrl(struct file *file, void *priv,
1463 struct v4l2_control *ctl)
1464 {
1465 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1466
1467 return cx23885_set_control(dev, ctl);
1468 }
1469
1470 static int vidioc_g_tuner(struct file *file, void *priv,
1471 struct v4l2_tuner *t)
1472 {
1473 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1474
1475 if (unlikely(UNSET == dev->tuner_type))
1476 return -EINVAL;
1477 if (0 != t->index)
1478 return -EINVAL;
1479
1480 strcpy(t->name, "Television");
1481
1482 call_all(dev, tuner, g_tuner, t);
1483 return 0;
1484 }
1485
1486 static int vidioc_s_tuner(struct file *file, void *priv,
1487 struct v4l2_tuner *t)
1488 {
1489 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1490
1491 if (UNSET == dev->tuner_type)
1492 return -EINVAL;
1493 if (0 != t->index)
1494 return -EINVAL;
1495 /* Update the A/V core */
1496 call_all(dev, tuner, s_tuner, t);
1497
1498 return 0;
1499 }
1500
1501 static int vidioc_g_frequency(struct file *file, void *priv,
1502 struct v4l2_frequency *f)
1503 {
1504 struct cx23885_fh *fh = priv;
1505 struct cx23885_dev *dev = fh->dev;
1506
1507 if (unlikely(UNSET == dev->tuner_type))
1508 return -EINVAL;
1509
1510 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1511 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1512 f->frequency = dev->freq;
1513
1514 call_all(dev, tuner, g_frequency, f);
1515
1516 return 0;
1517 }
1518
1519 static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
1520 {
1521 struct v4l2_control ctrl;
1522
1523 if (unlikely(UNSET == dev->tuner_type))
1524 return -EINVAL;
1525 if (unlikely(f->tuner != 0))
1526 return -EINVAL;
1527
1528 mutex_lock(&dev->lock);
1529 dev->freq = f->frequency;
1530
1531 /* I need to mute audio here */
1532 ctrl.id = V4L2_CID_AUDIO_MUTE;
1533 ctrl.value = 1;
1534 cx23885_set_control(dev, &ctrl);
1535
1536 call_all(dev, tuner, s_frequency, f);
1537
1538 /* When changing channels it is required to reset TVAUDIO */
1539 msleep(100);
1540
1541 /* I need to unmute audio here */
1542 ctrl.value = 0;
1543 cx23885_set_control(dev, &ctrl);
1544
1545 mutex_unlock(&dev->lock);
1546
1547 return 0;
1548 }
1549
1550 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
1551 struct v4l2_frequency *f)
1552 {
1553 struct v4l2_control ctrl;
1554 struct videobuf_dvb_frontend *vfe;
1555 struct dvb_frontend *fe;
1556
1557 struct analog_parameters params = {
1558 .mode = V4L2_TUNER_ANALOG_TV,
1559 .audmode = V4L2_TUNER_MODE_STEREO,
1560 .std = dev->tvnorm,
1561 .frequency = f->frequency
1562 };
1563
1564 mutex_lock(&dev->lock);
1565 dev->freq = f->frequency;
1566
1567 /* I need to mute audio here */
1568 ctrl.id = V4L2_CID_AUDIO_MUTE;
1569 ctrl.value = 1;
1570 cx23885_set_control(dev, &ctrl);
1571
1572 /* If HVR1850 */
1573 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
1574 params.frequency, f->tuner, params.std);
1575
1576 vfe = videobuf_dvb_get_frontend(&dev->ts2.frontends, 1);
1577 if (!vfe) {
1578 mutex_unlock(&dev->lock);
1579 return -EINVAL;
1580 }
1581
1582 fe = vfe->dvb.frontend;
1583
1584 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
1585 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
1586 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
1587 fe = &dev->ts1.analog_fe;
1588
1589 if (fe && fe->ops.tuner_ops.set_analog_params) {
1590 call_all(dev, core, s_std, dev->tvnorm);
1591 fe->ops.tuner_ops.set_analog_params(fe, &params);
1592 }
1593 else
1594 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
1595
1596 /* When changing channels it is required to reset TVAUDIO */
1597 msleep(100);
1598
1599 /* I need to unmute audio here */
1600 ctrl.value = 0;
1601 cx23885_set_control(dev, &ctrl);
1602
1603 mutex_unlock(&dev->lock);
1604
1605 return 0;
1606 }
1607
1608 int cx23885_set_frequency(struct file *file, void *priv,
1609 struct v4l2_frequency *f)
1610 {
1611 struct cx23885_fh *fh = priv;
1612 struct cx23885_dev *dev = fh->dev;
1613 int ret;
1614
1615 switch (dev->board) {
1616 case CX23885_BOARD_HAUPPAUGE_HVR1255:
1617 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1618 case CX23885_BOARD_HAUPPAUGE_HVR1850:
1619 ret = cx23885_set_freq_via_ops(dev, f);
1620 break;
1621 default:
1622 ret = cx23885_set_freq(dev, f);
1623 }
1624
1625 return ret;
1626 }
1627
1628 static int vidioc_s_frequency(struct file *file, void *priv,
1629 struct v4l2_frequency *f)
1630 {
1631 return cx23885_set_frequency(file, priv, f);
1632 }
1633
1634 /* ----------------------------------------------------------- */
1635
1636 static void cx23885_vid_timeout(unsigned long data)
1637 {
1638 struct cx23885_dev *dev = (struct cx23885_dev *)data;
1639 struct cx23885_dmaqueue *q = &dev->vidq;
1640 struct cx23885_buffer *buf;
1641 unsigned long flags;
1642
1643 spin_lock_irqsave(&dev->slock, flags);
1644 while (!list_empty(&q->active)) {
1645 buf = list_entry(q->active.next,
1646 struct cx23885_buffer, vb.queue);
1647 list_del(&buf->vb.queue);
1648 buf->vb.state = VIDEOBUF_ERROR;
1649 wake_up(&buf->vb.done);
1650 printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n",
1651 dev->name, buf, buf->vb.i,
1652 (unsigned long)buf->risc.dma);
1653 }
1654 cx23885_restart_video_queue(dev, q);
1655 spin_unlock_irqrestore(&dev->slock, flags);
1656 }
1657
1658 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1659 {
1660 u32 mask, count;
1661 int handled = 0;
1662
1663 mask = cx_read(VID_A_INT_MSK);
1664 if (0 == (status & mask))
1665 return handled;
1666
1667 cx_write(VID_A_INT_STAT, status);
1668
1669 /* risc op code error, fifo overflow or line sync detection error */
1670 if ((status & VID_BC_MSK_OPC_ERR) ||
1671 (status & VID_BC_MSK_SYNC) ||
1672 (status & VID_BC_MSK_OF)) {
1673
1674 if (status & VID_BC_MSK_OPC_ERR) {
1675 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1676 VID_BC_MSK_OPC_ERR);
1677 printk(KERN_WARNING "%s: video risc op code error\n",
1678 dev->name);
1679 cx23885_sram_channel_dump(dev,
1680 &dev->sram_channels[SRAM_CH01]);
1681 }
1682
1683 if (status & VID_BC_MSK_SYNC)
1684 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1685 "video lines miss-match\n",
1686 VID_BC_MSK_SYNC);
1687
1688 if (status & VID_BC_MSK_OF)
1689 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1690 VID_BC_MSK_OF);
1691
1692 }
1693
1694 /* Video */
1695 if (status & VID_BC_MSK_RISCI1) {
1696 spin_lock(&dev->slock);
1697 count = cx_read(VID_A_GPCNT);
1698 cx23885_video_wakeup(dev, &dev->vidq, count);
1699 spin_unlock(&dev->slock);
1700 handled++;
1701 }
1702 if (status & VID_BC_MSK_RISCI2) {
1703 dprintk(2, "stopper video\n");
1704 spin_lock(&dev->slock);
1705 cx23885_restart_video_queue(dev, &dev->vidq);
1706 spin_unlock(&dev->slock);
1707 handled++;
1708 }
1709
1710 /* Allow the VBI framework to process it's payload */
1711 handled += cx23885_vbi_irq(dev, status);
1712
1713 return handled;
1714 }
1715
1716 /* ----------------------------------------------------------- */
1717 /* exported stuff */
1718
1719 static const struct v4l2_file_operations video_fops = {
1720 .owner = THIS_MODULE,
1721 .open = video_open,
1722 .release = video_release,
1723 .read = video_read,
1724 .poll = video_poll,
1725 .mmap = video_mmap,
1726 .ioctl = video_ioctl2,
1727 };
1728
1729 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1730 .vidioc_querycap = vidioc_querycap,
1731 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1732 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1733 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1734 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1735 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt,
1736 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
1737 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
1738 .vidioc_reqbufs = vidioc_reqbufs,
1739 .vidioc_querybuf = vidioc_querybuf,
1740 .vidioc_qbuf = vidioc_qbuf,
1741 .vidioc_dqbuf = vidioc_dqbuf,
1742 .vidioc_s_std = vidioc_s_std,
1743 .vidioc_g_std = vidioc_g_std,
1744 .vidioc_querystd = vidioc_g_std,
1745 .vidioc_enum_input = vidioc_enum_input,
1746 .vidioc_g_input = vidioc_g_input,
1747 .vidioc_s_input = vidioc_s_input,
1748 .vidioc_log_status = vidioc_log_status,
1749 .vidioc_queryctrl = vidioc_queryctrl,
1750 .vidioc_g_ctrl = vidioc_g_ctrl,
1751 .vidioc_s_ctrl = vidioc_s_ctrl,
1752 .vidioc_streamon = vidioc_streamon,
1753 .vidioc_streamoff = vidioc_streamoff,
1754 .vidioc_g_tuner = vidioc_g_tuner,
1755 .vidioc_s_tuner = vidioc_s_tuner,
1756 .vidioc_g_frequency = vidioc_g_frequency,
1757 .vidioc_s_frequency = vidioc_s_frequency,
1758 .vidioc_g_chip_ident = cx23885_g_chip_ident,
1759 #ifdef CONFIG_VIDEO_ADV_DEBUG
1760 .vidioc_g_register = cx23885_g_register,
1761 .vidioc_s_register = cx23885_s_register,
1762 #endif
1763 .vidioc_enumaudio = vidioc_enum_audinput,
1764 .vidioc_g_audio = vidioc_g_audinput,
1765 .vidioc_s_audio = vidioc_s_audinput,
1766 };
1767
1768 static struct video_device cx23885_vbi_template;
1769 static struct video_device cx23885_video_template = {
1770 .name = "cx23885-video",
1771 .fops = &video_fops,
1772 .ioctl_ops = &video_ioctl_ops,
1773 .tvnorms = CX23885_NORMS,
1774 .current_norm = V4L2_STD_NTSC_M,
1775 };
1776
1777 static const struct v4l2_file_operations radio_fops = {
1778 .owner = THIS_MODULE,
1779 .open = video_open,
1780 .release = video_release,
1781 .ioctl = video_ioctl2,
1782 };
1783
1784
1785 void cx23885_video_unregister(struct cx23885_dev *dev)
1786 {
1787 dprintk(1, "%s()\n", __func__);
1788 cx23885_irq_remove(dev, 0x01);
1789
1790 if (dev->vbi_dev) {
1791 if (video_is_registered(dev->vbi_dev))
1792 video_unregister_device(dev->vbi_dev);
1793 else
1794 video_device_release(dev->vbi_dev);
1795 dev->vbi_dev = NULL;
1796 btcx_riscmem_free(dev->pci, &dev->vbiq.stopper);
1797 }
1798 if (dev->video_dev) {
1799 if (video_is_registered(dev->video_dev))
1800 video_unregister_device(dev->video_dev);
1801 else
1802 video_device_release(dev->video_dev);
1803 dev->video_dev = NULL;
1804
1805 btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
1806 }
1807
1808 if (dev->audio_dev)
1809 cx23885_audio_unregister(dev);
1810 }
1811
1812 int cx23885_video_register(struct cx23885_dev *dev)
1813 {
1814 int err;
1815
1816 dprintk(1, "%s()\n", __func__);
1817 spin_lock_init(&dev->slock);
1818
1819 /* Initialize VBI template */
1820 memcpy(&cx23885_vbi_template, &cx23885_video_template,
1821 sizeof(cx23885_vbi_template));
1822 strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1823
1824 dev->tvnorm = cx23885_video_template.current_norm;
1825
1826 /* init video dma queues */
1827 INIT_LIST_HEAD(&dev->vidq.active);
1828 INIT_LIST_HEAD(&dev->vidq.queued);
1829 dev->vidq.timeout.function = cx23885_vid_timeout;
1830 dev->vidq.timeout.data = (unsigned long)dev;
1831 init_timer(&dev->vidq.timeout);
1832 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
1833 VID_A_DMA_CTL, 0x11, 0x00);
1834
1835 /* init vbi dma queues */
1836 INIT_LIST_HEAD(&dev->vbiq.active);
1837 INIT_LIST_HEAD(&dev->vbiq.queued);
1838 dev->vbiq.timeout.function = cx23885_vbi_timeout;
1839 dev->vbiq.timeout.data = (unsigned long)dev;
1840 init_timer(&dev->vbiq.timeout);
1841 cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper,
1842 VID_A_DMA_CTL, 0x22, 0x00);
1843
1844 cx23885_irq_add_enable(dev, 0x01);
1845
1846 if ((TUNER_ABSENT != dev->tuner_type) &&
1847 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1848 struct v4l2_subdev *sd = NULL;
1849
1850 if (dev->tuner_addr)
1851 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1852 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1853 "tuner", dev->tuner_addr, NULL);
1854 else
1855 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1856 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1857 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1858 if (sd) {
1859 struct tuner_setup tun_setup;
1860
1861 memset(&tun_setup, 0, sizeof(tun_setup));
1862 tun_setup.mode_mask = T_ANALOG_TV;
1863 tun_setup.type = dev->tuner_type;
1864 tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1865 tun_setup.tuner_callback = cx23885_tuner_callback;
1866
1867 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1868
1869 if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) {
1870 struct xc2028_ctrl ctrl = {
1871 .fname = XC2028_DEFAULT_FIRMWARE,
1872 .max_len = 64
1873 };
1874 struct v4l2_priv_tun_config cfg = {
1875 .tuner = dev->tuner_type,
1876 .priv = &ctrl
1877 };
1878 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1879 }
1880 }
1881 }
1882
1883 /* register Video device */
1884 dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1885 &cx23885_video_template, "video");
1886 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1887 video_nr[dev->nr]);
1888 if (err < 0) {
1889 printk(KERN_INFO "%s: can't register video device\n",
1890 dev->name);
1891 goto fail_unreg;
1892 }
1893 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1894 dev->name, video_device_node_name(dev->video_dev));
1895
1896 /* register VBI device */
1897 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1898 &cx23885_vbi_template, "vbi");
1899 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1900 vbi_nr[dev->nr]);
1901 if (err < 0) {
1902 printk(KERN_INFO "%s: can't register vbi device\n",
1903 dev->name);
1904 goto fail_unreg;
1905 }
1906 printk(KERN_INFO "%s: registered device %s\n",
1907 dev->name, video_device_node_name(dev->vbi_dev));
1908
1909 /* Register ALSA audio device */
1910 dev->audio_dev = cx23885_audio_register(dev);
1911
1912 /* initial device configuration */
1913 mutex_lock(&dev->lock);
1914 cx23885_set_tvnorm(dev, dev->tvnorm);
1915 init_controls(dev);
1916 cx23885_video_mux(dev, 0);
1917 cx23885_audio_mux(dev, 0);
1918 mutex_unlock(&dev->lock);
1919
1920 return 0;
1921
1922 fail_unreg:
1923 cx23885_video_unregister(dev);
1924 return err;
1925 }
1926
Linux kernel - Deliverables
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