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Merge tag 'v3.8-rc1' into staging/for_v3.9
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / pci / cx23885 / cx23885-video.c
1 /*
2 * Driver for the Conexant CX23885 PCIe bridge
3 *
4 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 *
15 * GNU General Public License for more details.
16 *
17 * 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 v4l2_get_timestamp(&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 (dev->board == CX23885_BOARD_MYGICA_X8507)) {
513 /* Configure audio routing */
514 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
515 INPUT(input)->amux, 0, 0);
516
517 if (INPUT(input)->amux == CX25840_AUDIO7)
518 cx23885_flatiron_mux(dev, 1);
519 else if (INPUT(input)->amux == CX25840_AUDIO6)
520 cx23885_flatiron_mux(dev, 2);
521 }
522
523 return 0;
524 }
525
526 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
527 {
528 dprintk(1, "%s(input=%d)\n", __func__, input);
529
530 /* The baseband video core of the cx23885 has two audio inputs.
531 * LR1 and LR2. In almost every single case so far only HVR1xxx
532 * cards we've only ever supported LR1. Time to support LR2,
533 * which is available via the optional white breakout header on
534 * the board.
535 * We'll use a could of existing enums in the card struct to allow
536 * devs to specify which baseband input they need, or just default
537 * to what we've always used.
538 */
539 if (INPUT(input)->amux == CX25840_AUDIO7)
540 cx23885_flatiron_mux(dev, 1);
541 else if (INPUT(input)->amux == CX25840_AUDIO6)
542 cx23885_flatiron_mux(dev, 2);
543 else {
544 /* Not specifically defined, assume the default. */
545 cx23885_flatiron_mux(dev, 1);
546 }
547
548 return 0;
549 }
550
551 /* ------------------------------------------------------------------ */
552 static int cx23885_start_video_dma(struct cx23885_dev *dev,
553 struct cx23885_dmaqueue *q,
554 struct cx23885_buffer *buf)
555 {
556 dprintk(1, "%s()\n", __func__);
557
558 /* Stop the dma/fifo before we tamper with it's risc programs */
559 cx_clear(VID_A_DMA_CTL, 0x11);
560
561 /* setup fifo + format */
562 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
563 buf->bpl, buf->risc.dma);
564
565 /* reset counter */
566 cx_write(VID_A_GPCNT_CTL, 3);
567 q->count = 1;
568
569 /* enable irq */
570 cx23885_irq_add_enable(dev, 0x01);
571 cx_set(VID_A_INT_MSK, 0x000011);
572
573 /* start dma */
574 cx_set(DEV_CNTRL2, (1<<5));
575 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
576
577 return 0;
578 }
579
580
581 static int cx23885_restart_video_queue(struct cx23885_dev *dev,
582 struct cx23885_dmaqueue *q)
583 {
584 struct cx23885_buffer *buf, *prev;
585 struct list_head *item;
586 dprintk(1, "%s()\n", __func__);
587
588 if (!list_empty(&q->active)) {
589 buf = list_entry(q->active.next, struct cx23885_buffer,
590 vb.queue);
591 dprintk(2, "restart_queue [%p/%d]: restart dma\n",
592 buf, buf->vb.i);
593 cx23885_start_video_dma(dev, q, buf);
594 list_for_each(item, &q->active) {
595 buf = list_entry(item, struct cx23885_buffer,
596 vb.queue);
597 buf->count = q->count++;
598 }
599 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
600 return 0;
601 }
602
603 prev = NULL;
604 for (;;) {
605 if (list_empty(&q->queued))
606 return 0;
607 buf = list_entry(q->queued.next, struct cx23885_buffer,
608 vb.queue);
609 if (NULL == prev) {
610 list_move_tail(&buf->vb.queue, &q->active);
611 cx23885_start_video_dma(dev, q, buf);
612 buf->vb.state = VIDEOBUF_ACTIVE;
613 buf->count = q->count++;
614 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
615 dprintk(2, "[%p/%d] restart_queue - first active\n",
616 buf, buf->vb.i);
617
618 } else if (prev->vb.width == buf->vb.width &&
619 prev->vb.height == buf->vb.height &&
620 prev->fmt == buf->fmt) {
621 list_move_tail(&buf->vb.queue, &q->active);
622 buf->vb.state = VIDEOBUF_ACTIVE;
623 buf->count = q->count++;
624 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
625 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
626 dprintk(2, "[%p/%d] restart_queue - move to active\n",
627 buf, buf->vb.i);
628 } else {
629 return 0;
630 }
631 prev = buf;
632 }
633 }
634
635 static int buffer_setup(struct videobuf_queue *q, unsigned int *count,
636 unsigned int *size)
637 {
638 struct cx23885_fh *fh = q->priv_data;
639
640 *size = fh->fmt->depth*fh->width*fh->height >> 3;
641 if (0 == *count)
642 *count = 32;
643 if (*size * *count > vid_limit * 1024 * 1024)
644 *count = (vid_limit * 1024 * 1024) / *size;
645 return 0;
646 }
647
648 static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
649 enum v4l2_field field)
650 {
651 struct cx23885_fh *fh = q->priv_data;
652 struct cx23885_dev *dev = fh->dev;
653 struct cx23885_buffer *buf =
654 container_of(vb, struct cx23885_buffer, vb);
655 int rc, init_buffer = 0;
656 u32 line0_offset, line1_offset;
657 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
658 int field_tff;
659
660 BUG_ON(NULL == fh->fmt);
661 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) ||
662 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm))
663 return -EINVAL;
664 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
665 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
666 return -EINVAL;
667
668 if (buf->fmt != fh->fmt ||
669 buf->vb.width != fh->width ||
670 buf->vb.height != fh->height ||
671 buf->vb.field != field) {
672 buf->fmt = fh->fmt;
673 buf->vb.width = fh->width;
674 buf->vb.height = fh->height;
675 buf->vb.field = field;
676 init_buffer = 1;
677 }
678
679 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
680 init_buffer = 1;
681 rc = videobuf_iolock(q, &buf->vb, NULL);
682 if (0 != rc)
683 goto fail;
684 }
685
686 if (init_buffer) {
687 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
688 switch (buf->vb.field) {
689 case V4L2_FIELD_TOP:
690 cx23885_risc_buffer(dev->pci, &buf->risc,
691 dma->sglist, 0, UNSET,
692 buf->bpl, 0, buf->vb.height);
693 break;
694 case V4L2_FIELD_BOTTOM:
695 cx23885_risc_buffer(dev->pci, &buf->risc,
696 dma->sglist, UNSET, 0,
697 buf->bpl, 0, buf->vb.height);
698 break;
699 case V4L2_FIELD_INTERLACED:
700 if (dev->tvnorm & V4L2_STD_NTSC)
701 /* NTSC or */
702 field_tff = 1;
703 else
704 field_tff = 0;
705
706 if (cx23885_boards[dev->board].force_bff)
707 /* PAL / SECAM OR 888 in NTSC MODE */
708 field_tff = 0;
709
710 if (field_tff) {
711 /* cx25840 transmits NTSC bottom field first */
712 dprintk(1, "%s() Creating TFF/NTSC risc\n",
713 __func__);
714 line0_offset = buf->bpl;
715 line1_offset = 0;
716 } else {
717 /* All other formats are top field first */
718 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
719 __func__);
720 line0_offset = 0;
721 line1_offset = buf->bpl;
722 }
723 cx23885_risc_buffer(dev->pci, &buf->risc,
724 dma->sglist, line0_offset,
725 line1_offset,
726 buf->bpl, buf->bpl,
727 buf->vb.height >> 1);
728 break;
729 case V4L2_FIELD_SEQ_TB:
730 cx23885_risc_buffer(dev->pci, &buf->risc,
731 dma->sglist,
732 0, buf->bpl * (buf->vb.height >> 1),
733 buf->bpl, 0,
734 buf->vb.height >> 1);
735 break;
736 case V4L2_FIELD_SEQ_BT:
737 cx23885_risc_buffer(dev->pci, &buf->risc,
738 dma->sglist,
739 buf->bpl * (buf->vb.height >> 1), 0,
740 buf->bpl, 0,
741 buf->vb.height >> 1);
742 break;
743 default:
744 BUG();
745 }
746 }
747 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
748 buf, buf->vb.i,
749 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
750 (unsigned long)buf->risc.dma);
751
752 buf->vb.state = VIDEOBUF_PREPARED;
753 return 0;
754
755 fail:
756 cx23885_free_buffer(q, buf);
757 return rc;
758 }
759
760 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
761 {
762 struct cx23885_buffer *buf = container_of(vb,
763 struct cx23885_buffer, vb);
764 struct cx23885_buffer *prev;
765 struct cx23885_fh *fh = vq->priv_data;
766 struct cx23885_dev *dev = fh->dev;
767 struct cx23885_dmaqueue *q = &dev->vidq;
768
769 /* add jump to stopper */
770 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
771 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
772 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
773
774 if (!list_empty(&q->queued)) {
775 list_add_tail(&buf->vb.queue, &q->queued);
776 buf->vb.state = VIDEOBUF_QUEUED;
777 dprintk(2, "[%p/%d] buffer_queue - append to queued\n",
778 buf, buf->vb.i);
779
780 } else if (list_empty(&q->active)) {
781 list_add_tail(&buf->vb.queue, &q->active);
782 cx23885_start_video_dma(dev, q, buf);
783 buf->vb.state = VIDEOBUF_ACTIVE;
784 buf->count = q->count++;
785 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
786 dprintk(2, "[%p/%d] buffer_queue - first active\n",
787 buf, buf->vb.i);
788
789 } else {
790 prev = list_entry(q->active.prev, struct cx23885_buffer,
791 vb.queue);
792 if (prev->vb.width == buf->vb.width &&
793 prev->vb.height == buf->vb.height &&
794 prev->fmt == buf->fmt) {
795 list_add_tail(&buf->vb.queue, &q->active);
796 buf->vb.state = VIDEOBUF_ACTIVE;
797 buf->count = q->count++;
798 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
799 /* 64 bit bits 63-32 */
800 prev->risc.jmp[2] = cpu_to_le32(0);
801 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
802 buf, buf->vb.i);
803
804 } else {
805 list_add_tail(&buf->vb.queue, &q->queued);
806 buf->vb.state = VIDEOBUF_QUEUED;
807 dprintk(2, "[%p/%d] buffer_queue - first queued\n",
808 buf, buf->vb.i);
809 }
810 }
811 }
812
813 static void buffer_release(struct videobuf_queue *q,
814 struct videobuf_buffer *vb)
815 {
816 struct cx23885_buffer *buf = container_of(vb,
817 struct cx23885_buffer, vb);
818
819 cx23885_free_buffer(q, buf);
820 }
821
822 static struct videobuf_queue_ops cx23885_video_qops = {
823 .buf_setup = buffer_setup,
824 .buf_prepare = buffer_prepare,
825 .buf_queue = buffer_queue,
826 .buf_release = buffer_release,
827 };
828
829 static struct videobuf_queue *get_queue(struct cx23885_fh *fh)
830 {
831 switch (fh->type) {
832 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
833 return &fh->vidq;
834 case V4L2_BUF_TYPE_VBI_CAPTURE:
835 return &fh->vbiq;
836 default:
837 BUG();
838 return NULL;
839 }
840 }
841
842 static int get_resource(struct cx23885_fh *fh)
843 {
844 switch (fh->type) {
845 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
846 return RESOURCE_VIDEO;
847 case V4L2_BUF_TYPE_VBI_CAPTURE:
848 return RESOURCE_VBI;
849 default:
850 BUG();
851 return 0;
852 }
853 }
854
855 static int video_open(struct file *file)
856 {
857 struct video_device *vdev = video_devdata(file);
858 struct cx23885_dev *dev = video_drvdata(file);
859 struct cx23885_fh *fh;
860 enum v4l2_buf_type type = 0;
861 int radio = 0;
862
863 switch (vdev->vfl_type) {
864 case VFL_TYPE_GRABBER:
865 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
866 break;
867 case VFL_TYPE_VBI:
868 type = V4L2_BUF_TYPE_VBI_CAPTURE;
869 break;
870 case VFL_TYPE_RADIO:
871 radio = 1;
872 break;
873 }
874
875 dprintk(1, "open dev=%s radio=%d type=%s\n",
876 video_device_node_name(vdev), radio, v4l2_type_names[type]);
877
878 /* allocate + initialize per filehandle data */
879 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
880 if (NULL == fh)
881 return -ENOMEM;
882
883 file->private_data = fh;
884 fh->dev = dev;
885 fh->radio = radio;
886 fh->type = type;
887 fh->width = 320;
888 fh->height = 240;
889 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
890
891 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
892 &dev->pci->dev, &dev->slock,
893 V4L2_BUF_TYPE_VIDEO_CAPTURE,
894 V4L2_FIELD_INTERLACED,
895 sizeof(struct cx23885_buffer),
896 fh, NULL);
897
898 videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops,
899 &dev->pci->dev, &dev->slock,
900 V4L2_BUF_TYPE_VBI_CAPTURE,
901 V4L2_FIELD_SEQ_TB,
902 sizeof(struct cx23885_buffer),
903 fh, NULL);
904
905
906 dprintk(1, "post videobuf_queue_init()\n");
907
908 return 0;
909 }
910
911 static ssize_t video_read(struct file *file, char __user *data,
912 size_t count, loff_t *ppos)
913 {
914 struct cx23885_fh *fh = file->private_data;
915
916 switch (fh->type) {
917 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
918 if (res_locked(fh->dev, RESOURCE_VIDEO))
919 return -EBUSY;
920 return videobuf_read_one(&fh->vidq, data, count, ppos,
921 file->f_flags & O_NONBLOCK);
922 case V4L2_BUF_TYPE_VBI_CAPTURE:
923 if (!res_get(fh->dev, fh, RESOURCE_VBI))
924 return -EBUSY;
925 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
926 file->f_flags & O_NONBLOCK);
927 default:
928 BUG();
929 return 0;
930 }
931 }
932
933 static unsigned int video_poll(struct file *file,
934 struct poll_table_struct *wait)
935 {
936 struct cx23885_fh *fh = file->private_data;
937 struct cx23885_buffer *buf;
938 unsigned int rc = POLLERR;
939
940 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
941 if (!res_get(fh->dev, fh, RESOURCE_VBI))
942 return POLLERR;
943 return videobuf_poll_stream(file, &fh->vbiq, wait);
944 }
945
946 mutex_lock(&fh->vidq.vb_lock);
947 if (res_check(fh, RESOURCE_VIDEO)) {
948 /* streaming capture */
949 if (list_empty(&fh->vidq.stream))
950 goto done;
951 buf = list_entry(fh->vidq.stream.next,
952 struct cx23885_buffer, vb.stream);
953 } else {
954 /* read() capture */
955 buf = (struct cx23885_buffer *)fh->vidq.read_buf;
956 if (NULL == buf)
957 goto done;
958 }
959 poll_wait(file, &buf->vb.done, wait);
960 if (buf->vb.state == VIDEOBUF_DONE ||
961 buf->vb.state == VIDEOBUF_ERROR)
962 rc = POLLIN|POLLRDNORM;
963 else
964 rc = 0;
965 done:
966 mutex_unlock(&fh->vidq.vb_lock);
967 return rc;
968 }
969
970 static int video_release(struct file *file)
971 {
972 struct cx23885_fh *fh = file->private_data;
973 struct cx23885_dev *dev = fh->dev;
974
975 /* turn off overlay */
976 if (res_check(fh, RESOURCE_OVERLAY)) {
977 /* FIXME */
978 res_free(dev, fh, RESOURCE_OVERLAY);
979 }
980
981 /* stop video capture */
982 if (res_check(fh, RESOURCE_VIDEO)) {
983 videobuf_queue_cancel(&fh->vidq);
984 res_free(dev, fh, RESOURCE_VIDEO);
985 }
986 if (fh->vidq.read_buf) {
987 buffer_release(&fh->vidq, fh->vidq.read_buf);
988 kfree(fh->vidq.read_buf);
989 }
990
991 /* stop vbi capture */
992 if (res_check(fh, RESOURCE_VBI)) {
993 if (fh->vbiq.streaming)
994 videobuf_streamoff(&fh->vbiq);
995 if (fh->vbiq.reading)
996 videobuf_read_stop(&fh->vbiq);
997 res_free(dev, fh, RESOURCE_VBI);
998 }
999
1000 videobuf_mmap_free(&fh->vidq);
1001 videobuf_mmap_free(&fh->vbiq);
1002
1003 file->private_data = NULL;
1004 kfree(fh);
1005
1006 /* We are not putting the tuner to sleep here on exit, because
1007 * we want to use the mpeg encoder in another session to capture
1008 * tuner video. Closing this will result in no video to the encoder.
1009 */
1010
1011 return 0;
1012 }
1013
1014 static int video_mmap(struct file *file, struct vm_area_struct *vma)
1015 {
1016 struct cx23885_fh *fh = file->private_data;
1017
1018 return videobuf_mmap_mapper(get_queue(fh), vma);
1019 }
1020
1021 /* ------------------------------------------------------------------ */
1022 /* VIDEO CTRL IOCTLS */
1023
1024 int cx23885_get_control(struct cx23885_dev *dev,
1025 struct v4l2_control *ctl)
1026 {
1027 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
1028 call_all(dev, core, g_ctrl, ctl);
1029 return 0;
1030 }
1031
1032 int cx23885_set_control(struct cx23885_dev *dev,
1033 struct v4l2_control *ctl)
1034 {
1035 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__);
1036 call_all(dev, core, s_ctrl, ctl);
1037
1038 return 0;
1039 }
1040
1041 static void init_controls(struct cx23885_dev *dev)
1042 {
1043 struct v4l2_control ctrl;
1044 int i;
1045
1046 for (i = 0; i < CX23885_CTLS; i++) {
1047 ctrl.id = cx23885_ctls[i].v.id;
1048 ctrl.value = cx23885_ctls[i].v.default_value;
1049
1050 cx23885_set_control(dev, &ctrl);
1051 }
1052 }
1053
1054 /* ------------------------------------------------------------------ */
1055 /* VIDEO IOCTLS */
1056
1057 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1058 struct v4l2_format *f)
1059 {
1060 struct cx23885_fh *fh = priv;
1061
1062 f->fmt.pix.width = fh->width;
1063 f->fmt.pix.height = fh->height;
1064 f->fmt.pix.field = fh->vidq.field;
1065 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1066 f->fmt.pix.bytesperline =
1067 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1068 f->fmt.pix.sizeimage =
1069 f->fmt.pix.height * f->fmt.pix.bytesperline;
1070
1071 return 0;
1072 }
1073
1074 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1075 struct v4l2_format *f)
1076 {
1077 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1078 struct cx23885_fmt *fmt;
1079 enum v4l2_field field;
1080 unsigned int maxw, maxh;
1081
1082 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1083 if (NULL == fmt)
1084 return -EINVAL;
1085
1086 field = f->fmt.pix.field;
1087 maxw = norm_maxw(dev->tvnorm);
1088 maxh = norm_maxh(dev->tvnorm);
1089
1090 if (V4L2_FIELD_ANY == field) {
1091 field = (f->fmt.pix.height > maxh/2)
1092 ? V4L2_FIELD_INTERLACED
1093 : V4L2_FIELD_BOTTOM;
1094 }
1095
1096 switch (field) {
1097 case V4L2_FIELD_TOP:
1098 case V4L2_FIELD_BOTTOM:
1099 maxh = maxh / 2;
1100 break;
1101 case V4L2_FIELD_INTERLACED:
1102 break;
1103 default:
1104 return -EINVAL;
1105 }
1106
1107 f->fmt.pix.field = field;
1108 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1109 &f->fmt.pix.height, 32, maxh, 0, 0);
1110 f->fmt.pix.bytesperline =
1111 (f->fmt.pix.width * fmt->depth) >> 3;
1112 f->fmt.pix.sizeimage =
1113 f->fmt.pix.height * f->fmt.pix.bytesperline;
1114
1115 return 0;
1116 }
1117
1118 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1119 struct v4l2_format *f)
1120 {
1121 struct cx23885_fh *fh = priv;
1122 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1123 struct v4l2_mbus_framefmt mbus_fmt;
1124 int err;
1125
1126 dprintk(2, "%s()\n", __func__);
1127 err = vidioc_try_fmt_vid_cap(file, priv, f);
1128
1129 if (0 != err)
1130 return err;
1131 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1132 fh->width = f->fmt.pix.width;
1133 fh->height = f->fmt.pix.height;
1134 fh->vidq.field = f->fmt.pix.field;
1135 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
1136 fh->width, fh->height, fh->vidq.field);
1137 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
1138 call_all(dev, video, s_mbus_fmt, &mbus_fmt);
1139 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
1140 return 0;
1141 }
1142
1143 static int vidioc_querycap(struct file *file, void *priv,
1144 struct v4l2_capability *cap)
1145 {
1146 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1147
1148 strcpy(cap->driver, "cx23885");
1149 strlcpy(cap->card, cx23885_boards[dev->board].name,
1150 sizeof(cap->card));
1151 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1152 cap->capabilities =
1153 V4L2_CAP_VIDEO_CAPTURE |
1154 V4L2_CAP_READWRITE |
1155 V4L2_CAP_STREAMING |
1156 V4L2_CAP_VBI_CAPTURE;
1157 if (UNSET != dev->tuner_type)
1158 cap->capabilities |= V4L2_CAP_TUNER;
1159 return 0;
1160 }
1161
1162 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1163 struct v4l2_fmtdesc *f)
1164 {
1165 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1166 return -EINVAL;
1167
1168 strlcpy(f->description, formats[f->index].name,
1169 sizeof(f->description));
1170 f->pixelformat = formats[f->index].fourcc;
1171
1172 return 0;
1173 }
1174
1175 static int vidioc_reqbufs(struct file *file, void *priv,
1176 struct v4l2_requestbuffers *p)
1177 {
1178 struct cx23885_fh *fh = priv;
1179 return videobuf_reqbufs(get_queue(fh), p);
1180 }
1181
1182 static int vidioc_querybuf(struct file *file, void *priv,
1183 struct v4l2_buffer *p)
1184 {
1185 struct cx23885_fh *fh = priv;
1186 return videobuf_querybuf(get_queue(fh), p);
1187 }
1188
1189 static int vidioc_qbuf(struct file *file, void *priv,
1190 struct v4l2_buffer *p)
1191 {
1192 struct cx23885_fh *fh = priv;
1193 return videobuf_qbuf(get_queue(fh), p);
1194 }
1195
1196 static int vidioc_dqbuf(struct file *file, void *priv,
1197 struct v4l2_buffer *p)
1198 {
1199 struct cx23885_fh *fh = priv;
1200 return videobuf_dqbuf(get_queue(fh), p,
1201 file->f_flags & O_NONBLOCK);
1202 }
1203
1204 static int vidioc_streamon(struct file *file, void *priv,
1205 enum v4l2_buf_type i)
1206 {
1207 struct cx23885_fh *fh = priv;
1208 struct cx23885_dev *dev = fh->dev;
1209 dprintk(1, "%s()\n", __func__);
1210
1211 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1212 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1213 return -EINVAL;
1214 if (unlikely(i != fh->type))
1215 return -EINVAL;
1216
1217 if (unlikely(!res_get(dev, fh, get_resource(fh))))
1218 return -EBUSY;
1219
1220 /* Don't start VBI streaming unless vida streaming
1221 * has already started.
1222 */
1223 if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) &&
1224 ((cx_read(VID_A_DMA_CTL) & 0x11) == 0))
1225 return -EINVAL;
1226
1227 return videobuf_streamon(get_queue(fh));
1228 }
1229
1230 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1231 {
1232 struct cx23885_fh *fh = priv;
1233 struct cx23885_dev *dev = fh->dev;
1234 int err, res;
1235 dprintk(1, "%s()\n", __func__);
1236
1237 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1238 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1239 return -EINVAL;
1240 if (i != fh->type)
1241 return -EINVAL;
1242
1243 res = get_resource(fh);
1244 err = videobuf_streamoff(get_queue(fh));
1245 if (err < 0)
1246 return err;
1247 res_free(dev, fh, res);
1248 return 0;
1249 }
1250
1251 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1252 {
1253 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1254 dprintk(1, "%s()\n", __func__);
1255
1256 call_all(dev, core, g_std, id);
1257
1258 return 0;
1259 }
1260
1261 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
1262 {
1263 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1264 dprintk(1, "%s()\n", __func__);
1265
1266 mutex_lock(&dev->lock);
1267 cx23885_set_tvnorm(dev, *tvnorms);
1268 mutex_unlock(&dev->lock);
1269
1270 return 0;
1271 }
1272
1273 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
1274 {
1275 static const char *iname[] = {
1276 [CX23885_VMUX_COMPOSITE1] = "Composite1",
1277 [CX23885_VMUX_COMPOSITE2] = "Composite2",
1278 [CX23885_VMUX_COMPOSITE3] = "Composite3",
1279 [CX23885_VMUX_COMPOSITE4] = "Composite4",
1280 [CX23885_VMUX_SVIDEO] = "S-Video",
1281 [CX23885_VMUX_COMPONENT] = "Component",
1282 [CX23885_VMUX_TELEVISION] = "Television",
1283 [CX23885_VMUX_CABLE] = "Cable TV",
1284 [CX23885_VMUX_DVB] = "DVB",
1285 [CX23885_VMUX_DEBUG] = "for debug only",
1286 };
1287 unsigned int n;
1288 dprintk(1, "%s()\n", __func__);
1289
1290 n = i->index;
1291 if (n >= MAX_CX23885_INPUT)
1292 return -EINVAL;
1293
1294 if (0 == INPUT(n)->type)
1295 return -EINVAL;
1296
1297 i->index = n;
1298 i->type = V4L2_INPUT_TYPE_CAMERA;
1299 strcpy(i->name, iname[INPUT(n)->type]);
1300 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
1301 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
1302 i->type = V4L2_INPUT_TYPE_TUNER;
1303 i->std = CX23885_NORMS;
1304 }
1305
1306 /* Two selectable audio inputs for non-tv inputs */
1307 if (INPUT(n)->type != CX23885_VMUX_TELEVISION)
1308 i->audioset = 0x3;
1309
1310 if (dev->input == n) {
1311 /* enum'd input matches our configured input.
1312 * Ask the video decoder to process the call
1313 * and give it an oppertunity to update the
1314 * status field.
1315 */
1316 call_all(dev, video, g_input_status, &i->status);
1317 }
1318
1319 return 0;
1320 }
1321
1322 static int vidioc_enum_input(struct file *file, void *priv,
1323 struct v4l2_input *i)
1324 {
1325 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1326 dprintk(1, "%s()\n", __func__);
1327 return cx23885_enum_input(dev, i);
1328 }
1329
1330 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
1331 {
1332 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1333
1334 *i = dev->input;
1335 dprintk(1, "%s() returns %d\n", __func__, *i);
1336 return 0;
1337 }
1338
1339 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1340 {
1341 return cx23885_get_input(file, priv, i);
1342 }
1343
1344 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
1345 {
1346 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1347
1348 dprintk(1, "%s(%d)\n", __func__, i);
1349
1350 if (i >= MAX_CX23885_INPUT) {
1351 dprintk(1, "%s() -EINVAL\n", __func__);
1352 return -EINVAL;
1353 }
1354
1355 if (INPUT(i)->type == 0)
1356 return -EINVAL;
1357
1358 mutex_lock(&dev->lock);
1359 cx23885_video_mux(dev, i);
1360
1361 /* By default establish the default audio input for the card also */
1362 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
1363 cx23885_audio_mux(dev, i);
1364 mutex_unlock(&dev->lock);
1365 return 0;
1366 }
1367
1368 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1369 {
1370 return cx23885_set_input(file, priv, i);
1371 }
1372
1373 static int vidioc_log_status(struct file *file, void *priv)
1374 {
1375 struct cx23885_fh *fh = priv;
1376 struct cx23885_dev *dev = fh->dev;
1377
1378 printk(KERN_INFO
1379 "%s/0: ============ START LOG STATUS ============\n",
1380 dev->name);
1381 call_all(dev, core, log_status);
1382 printk(KERN_INFO
1383 "%s/0: ============= END LOG STATUS =============\n",
1384 dev->name);
1385 return 0;
1386 }
1387
1388 static int cx23885_query_audinput(struct file *file, void *priv,
1389 struct v4l2_audio *i)
1390 {
1391 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1392 static const char *iname[] = {
1393 [0] = "Baseband L/R 1",
1394 [1] = "Baseband L/R 2",
1395 };
1396 unsigned int n;
1397 dprintk(1, "%s()\n", __func__);
1398
1399 n = i->index;
1400 if (n >= 2)
1401 return -EINVAL;
1402
1403 memset(i, 0, sizeof(*i));
1404 i->index = n;
1405 strcpy(i->name, iname[n]);
1406 i->capability = V4L2_AUDCAP_STEREO;
1407 i->mode = V4L2_AUDMODE_AVL;
1408 return 0;
1409
1410 }
1411
1412 static int vidioc_enum_audinput(struct file *file, void *priv,
1413 struct v4l2_audio *i)
1414 {
1415 return cx23885_query_audinput(file, priv, i);
1416 }
1417
1418 static int vidioc_g_audinput(struct file *file, void *priv,
1419 struct v4l2_audio *i)
1420 {
1421 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1422
1423 i->index = dev->audinput;
1424 dprintk(1, "%s(input=%d)\n", __func__, i->index);
1425
1426 return cx23885_query_audinput(file, priv, i);
1427 }
1428
1429 static int vidioc_s_audinput(struct file *file, void *priv,
1430 const struct v4l2_audio *i)
1431 {
1432 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1433 if (i->index >= 2)
1434 return -EINVAL;
1435
1436 dprintk(1, "%s(%d)\n", __func__, i->index);
1437
1438 dev->audinput = i->index;
1439
1440 /* Skip the audio defaults from the cards struct, caller wants
1441 * directly touch the audio mux hardware. */
1442 cx23885_flatiron_mux(dev, dev->audinput + 1);
1443 return 0;
1444 }
1445
1446 static int vidioc_queryctrl(struct file *file, void *priv,
1447 struct v4l2_queryctrl *qctrl)
1448 {
1449 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1450 if (unlikely(qctrl->id == 0))
1451 return -EINVAL;
1452 return cx23885_ctrl_query(qctrl);
1453 }
1454
1455 static int vidioc_g_ctrl(struct file *file, void *priv,
1456 struct v4l2_control *ctl)
1457 {
1458 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1459
1460 return cx23885_get_control(dev, ctl);
1461 }
1462
1463 static int vidioc_s_ctrl(struct file *file, void *priv,
1464 struct v4l2_control *ctl)
1465 {
1466 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1467
1468 return cx23885_set_control(dev, ctl);
1469 }
1470
1471 static int vidioc_g_tuner(struct file *file, void *priv,
1472 struct v4l2_tuner *t)
1473 {
1474 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1475
1476 if (unlikely(UNSET == dev->tuner_type))
1477 return -EINVAL;
1478 if (0 != t->index)
1479 return -EINVAL;
1480
1481 strcpy(t->name, "Television");
1482
1483 call_all(dev, tuner, g_tuner, t);
1484 return 0;
1485 }
1486
1487 static int vidioc_s_tuner(struct file *file, void *priv,
1488 struct v4l2_tuner *t)
1489 {
1490 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1491
1492 if (UNSET == dev->tuner_type)
1493 return -EINVAL;
1494 if (0 != t->index)
1495 return -EINVAL;
1496 /* Update the A/V core */
1497 call_all(dev, tuner, s_tuner, t);
1498
1499 return 0;
1500 }
1501
1502 static int vidioc_g_frequency(struct file *file, void *priv,
1503 struct v4l2_frequency *f)
1504 {
1505 struct cx23885_fh *fh = priv;
1506 struct cx23885_dev *dev = fh->dev;
1507
1508 if (unlikely(UNSET == dev->tuner_type))
1509 return -EINVAL;
1510
1511 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1512 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1513 f->frequency = dev->freq;
1514
1515 call_all(dev, tuner, g_frequency, f);
1516
1517 return 0;
1518 }
1519
1520 static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
1521 {
1522 struct v4l2_control ctrl;
1523
1524 if (unlikely(UNSET == dev->tuner_type))
1525 return -EINVAL;
1526 if (unlikely(f->tuner != 0))
1527 return -EINVAL;
1528
1529 mutex_lock(&dev->lock);
1530 dev->freq = f->frequency;
1531
1532 /* I need to mute audio here */
1533 ctrl.id = V4L2_CID_AUDIO_MUTE;
1534 ctrl.value = 1;
1535 cx23885_set_control(dev, &ctrl);
1536
1537 call_all(dev, tuner, s_frequency, f);
1538
1539 /* When changing channels it is required to reset TVAUDIO */
1540 msleep(100);
1541
1542 /* I need to unmute audio here */
1543 ctrl.value = 0;
1544 cx23885_set_control(dev, &ctrl);
1545
1546 mutex_unlock(&dev->lock);
1547
1548 return 0;
1549 }
1550
1551 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
1552 struct v4l2_frequency *f)
1553 {
1554 struct v4l2_control ctrl;
1555 struct videobuf_dvb_frontend *vfe;
1556 struct dvb_frontend *fe;
1557
1558 struct analog_parameters params = {
1559 .mode = V4L2_TUNER_ANALOG_TV,
1560 .audmode = V4L2_TUNER_MODE_STEREO,
1561 .std = dev->tvnorm,
1562 .frequency = f->frequency
1563 };
1564
1565 mutex_lock(&dev->lock);
1566 dev->freq = f->frequency;
1567
1568 /* I need to mute audio here */
1569 ctrl.id = V4L2_CID_AUDIO_MUTE;
1570 ctrl.value = 1;
1571 cx23885_set_control(dev, &ctrl);
1572
1573 /* If HVR1850 */
1574 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
1575 params.frequency, f->tuner, params.std);
1576
1577 vfe = videobuf_dvb_get_frontend(&dev->ts2.frontends, 1);
1578 if (!vfe) {
1579 mutex_unlock(&dev->lock);
1580 return -EINVAL;
1581 }
1582
1583 fe = vfe->dvb.frontend;
1584
1585 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
1586 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
1587 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
1588 fe = &dev->ts1.analog_fe;
1589
1590 if (fe && fe->ops.tuner_ops.set_analog_params) {
1591 call_all(dev, core, s_std, dev->tvnorm);
1592 fe->ops.tuner_ops.set_analog_params(fe, &params);
1593 }
1594 else
1595 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
1596
1597 /* When changing channels it is required to reset TVAUDIO */
1598 msleep(100);
1599
1600 /* I need to unmute audio here */
1601 ctrl.value = 0;
1602 cx23885_set_control(dev, &ctrl);
1603
1604 mutex_unlock(&dev->lock);
1605
1606 return 0;
1607 }
1608
1609 int cx23885_set_frequency(struct file *file, void *priv,
1610 struct v4l2_frequency *f)
1611 {
1612 struct cx23885_fh *fh = priv;
1613 struct cx23885_dev *dev = fh->dev;
1614 int ret;
1615
1616 switch (dev->board) {
1617 case CX23885_BOARD_HAUPPAUGE_HVR1255:
1618 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1619 case CX23885_BOARD_HAUPPAUGE_HVR1850:
1620 ret = cx23885_set_freq_via_ops(dev, f);
1621 break;
1622 default:
1623 ret = cx23885_set_freq(dev, f);
1624 }
1625
1626 return ret;
1627 }
1628
1629 static int vidioc_s_frequency(struct file *file, void *priv,
1630 struct v4l2_frequency *f)
1631 {
1632 return cx23885_set_frequency(file, priv, f);
1633 }
1634
1635 /* ----------------------------------------------------------- */
1636
1637 static void cx23885_vid_timeout(unsigned long data)
1638 {
1639 struct cx23885_dev *dev = (struct cx23885_dev *)data;
1640 struct cx23885_dmaqueue *q = &dev->vidq;
1641 struct cx23885_buffer *buf;
1642 unsigned long flags;
1643
1644 spin_lock_irqsave(&dev->slock, flags);
1645 while (!list_empty(&q->active)) {
1646 buf = list_entry(q->active.next,
1647 struct cx23885_buffer, vb.queue);
1648 list_del(&buf->vb.queue);
1649 buf->vb.state = VIDEOBUF_ERROR;
1650 wake_up(&buf->vb.done);
1651 printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n",
1652 dev->name, buf, buf->vb.i,
1653 (unsigned long)buf->risc.dma);
1654 }
1655 cx23885_restart_video_queue(dev, q);
1656 spin_unlock_irqrestore(&dev->slock, flags);
1657 }
1658
1659 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1660 {
1661 u32 mask, count;
1662 int handled = 0;
1663
1664 mask = cx_read(VID_A_INT_MSK);
1665 if (0 == (status & mask))
1666 return handled;
1667
1668 cx_write(VID_A_INT_STAT, status);
1669
1670 /* risc op code error, fifo overflow or line sync detection error */
1671 if ((status & VID_BC_MSK_OPC_ERR) ||
1672 (status & VID_BC_MSK_SYNC) ||
1673 (status & VID_BC_MSK_OF)) {
1674
1675 if (status & VID_BC_MSK_OPC_ERR) {
1676 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1677 VID_BC_MSK_OPC_ERR);
1678 printk(KERN_WARNING "%s: video risc op code error\n",
1679 dev->name);
1680 cx23885_sram_channel_dump(dev,
1681 &dev->sram_channels[SRAM_CH01]);
1682 }
1683
1684 if (status & VID_BC_MSK_SYNC)
1685 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1686 "video lines miss-match\n",
1687 VID_BC_MSK_SYNC);
1688
1689 if (status & VID_BC_MSK_OF)
1690 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1691 VID_BC_MSK_OF);
1692
1693 }
1694
1695 /* Video */
1696 if (status & VID_BC_MSK_RISCI1) {
1697 spin_lock(&dev->slock);
1698 count = cx_read(VID_A_GPCNT);
1699 cx23885_video_wakeup(dev, &dev->vidq, count);
1700 spin_unlock(&dev->slock);
1701 handled++;
1702 }
1703 if (status & VID_BC_MSK_RISCI2) {
1704 dprintk(2, "stopper video\n");
1705 spin_lock(&dev->slock);
1706 cx23885_restart_video_queue(dev, &dev->vidq);
1707 spin_unlock(&dev->slock);
1708 handled++;
1709 }
1710
1711 /* Allow the VBI framework to process it's payload */
1712 handled += cx23885_vbi_irq(dev, status);
1713
1714 return handled;
1715 }
1716
1717 /* ----------------------------------------------------------- */
1718 /* exported stuff */
1719
1720 static const struct v4l2_file_operations video_fops = {
1721 .owner = THIS_MODULE,
1722 .open = video_open,
1723 .release = video_release,
1724 .read = video_read,
1725 .poll = video_poll,
1726 .mmap = video_mmap,
1727 .ioctl = video_ioctl2,
1728 };
1729
1730 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1731 .vidioc_querycap = vidioc_querycap,
1732 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1733 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1734 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1735 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1736 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt,
1737 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
1738 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
1739 .vidioc_reqbufs = vidioc_reqbufs,
1740 .vidioc_querybuf = vidioc_querybuf,
1741 .vidioc_qbuf = vidioc_qbuf,
1742 .vidioc_dqbuf = vidioc_dqbuf,
1743 .vidioc_s_std = vidioc_s_std,
1744 .vidioc_g_std = vidioc_g_std,
1745 .vidioc_querystd = vidioc_g_std,
1746 .vidioc_enum_input = vidioc_enum_input,
1747 .vidioc_g_input = vidioc_g_input,
1748 .vidioc_s_input = vidioc_s_input,
1749 .vidioc_log_status = vidioc_log_status,
1750 .vidioc_queryctrl = vidioc_queryctrl,
1751 .vidioc_g_ctrl = vidioc_g_ctrl,
1752 .vidioc_s_ctrl = vidioc_s_ctrl,
1753 .vidioc_streamon = vidioc_streamon,
1754 .vidioc_streamoff = vidioc_streamoff,
1755 .vidioc_g_tuner = vidioc_g_tuner,
1756 .vidioc_s_tuner = vidioc_s_tuner,
1757 .vidioc_g_frequency = vidioc_g_frequency,
1758 .vidioc_s_frequency = vidioc_s_frequency,
1759 .vidioc_g_chip_ident = cx23885_g_chip_ident,
1760 #ifdef CONFIG_VIDEO_ADV_DEBUG
1761 .vidioc_g_register = cx23885_g_register,
1762 .vidioc_s_register = cx23885_s_register,
1763 #endif
1764 .vidioc_enumaudio = vidioc_enum_audinput,
1765 .vidioc_g_audio = vidioc_g_audinput,
1766 .vidioc_s_audio = vidioc_s_audinput,
1767 };
1768
1769 static struct video_device cx23885_vbi_template;
1770 static struct video_device cx23885_video_template = {
1771 .name = "cx23885-video",
1772 .fops = &video_fops,
1773 .ioctl_ops = &video_ioctl_ops,
1774 .tvnorms = CX23885_NORMS,
1775 .current_norm = V4L2_STD_NTSC_M,
1776 };
1777
1778 static const struct v4l2_file_operations radio_fops = {
1779 .owner = THIS_MODULE,
1780 .open = video_open,
1781 .release = video_release,
1782 .ioctl = video_ioctl2,
1783 };
1784
1785
1786 void cx23885_video_unregister(struct cx23885_dev *dev)
1787 {
1788 dprintk(1, "%s()\n", __func__);
1789 cx23885_irq_remove(dev, 0x01);
1790
1791 if (dev->vbi_dev) {
1792 if (video_is_registered(dev->vbi_dev))
1793 video_unregister_device(dev->vbi_dev);
1794 else
1795 video_device_release(dev->vbi_dev);
1796 dev->vbi_dev = NULL;
1797 btcx_riscmem_free(dev->pci, &dev->vbiq.stopper);
1798 }
1799 if (dev->video_dev) {
1800 if (video_is_registered(dev->video_dev))
1801 video_unregister_device(dev->video_dev);
1802 else
1803 video_device_release(dev->video_dev);
1804 dev->video_dev = NULL;
1805
1806 btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
1807 }
1808
1809 if (dev->audio_dev)
1810 cx23885_audio_unregister(dev);
1811 }
1812
1813 int cx23885_video_register(struct cx23885_dev *dev)
1814 {
1815 int err;
1816
1817 dprintk(1, "%s()\n", __func__);
1818 spin_lock_init(&dev->slock);
1819
1820 /* Initialize VBI template */
1821 memcpy(&cx23885_vbi_template, &cx23885_video_template,
1822 sizeof(cx23885_vbi_template));
1823 strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1824
1825 dev->tvnorm = cx23885_video_template.current_norm;
1826
1827 /* init video dma queues */
1828 INIT_LIST_HEAD(&dev->vidq.active);
1829 INIT_LIST_HEAD(&dev->vidq.queued);
1830 dev->vidq.timeout.function = cx23885_vid_timeout;
1831 dev->vidq.timeout.data = (unsigned long)dev;
1832 init_timer(&dev->vidq.timeout);
1833 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
1834 VID_A_DMA_CTL, 0x11, 0x00);
1835
1836 /* init vbi dma queues */
1837 INIT_LIST_HEAD(&dev->vbiq.active);
1838 INIT_LIST_HEAD(&dev->vbiq.queued);
1839 dev->vbiq.timeout.function = cx23885_vbi_timeout;
1840 dev->vbiq.timeout.data = (unsigned long)dev;
1841 init_timer(&dev->vbiq.timeout);
1842 cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper,
1843 VID_A_DMA_CTL, 0x22, 0x00);
1844
1845 cx23885_irq_add_enable(dev, 0x01);
1846
1847 if ((TUNER_ABSENT != dev->tuner_type) &&
1848 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1849 struct v4l2_subdev *sd = NULL;
1850
1851 if (dev->tuner_addr)
1852 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1853 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1854 "tuner", dev->tuner_addr, NULL);
1855 else
1856 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1857 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1858 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1859 if (sd) {
1860 struct tuner_setup tun_setup;
1861
1862 memset(&tun_setup, 0, sizeof(tun_setup));
1863 tun_setup.mode_mask = T_ANALOG_TV;
1864 tun_setup.type = dev->tuner_type;
1865 tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1866 tun_setup.tuner_callback = cx23885_tuner_callback;
1867
1868 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1869
1870 if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) {
1871 struct xc2028_ctrl ctrl = {
1872 .fname = XC2028_DEFAULT_FIRMWARE,
1873 .max_len = 64
1874 };
1875 struct v4l2_priv_tun_config cfg = {
1876 .tuner = dev->tuner_type,
1877 .priv = &ctrl
1878 };
1879 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1880 }
1881 }
1882 }
1883
1884 /* register Video device */
1885 dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1886 &cx23885_video_template, "video");
1887 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1888 video_nr[dev->nr]);
1889 if (err < 0) {
1890 printk(KERN_INFO "%s: can't register video device\n",
1891 dev->name);
1892 goto fail_unreg;
1893 }
1894 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1895 dev->name, video_device_node_name(dev->video_dev));
1896
1897 /* register VBI device */
1898 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1899 &cx23885_vbi_template, "vbi");
1900 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1901 vbi_nr[dev->nr]);
1902 if (err < 0) {
1903 printk(KERN_INFO "%s: can't register vbi device\n",
1904 dev->name);
1905 goto fail_unreg;
1906 }
1907 printk(KERN_INFO "%s: registered device %s\n",
1908 dev->name, video_device_node_name(dev->vbi_dev));
1909
1910 /* Register ALSA audio device */
1911 dev->audio_dev = cx23885_audio_register(dev);
1912
1913 /* initial device configuration */
1914 mutex_lock(&dev->lock);
1915 cx23885_set_tvnorm(dev, dev->tvnorm);
1916 init_controls(dev);
1917 cx23885_video_mux(dev, 0);
1918 cx23885_audio_mux(dev, 0);
1919 mutex_unlock(&dev->lock);
1920
1921 return 0;
1922
1923 fail_unreg:
1924 cx23885_video_unregister(dev);
1925 return err;
1926 }
1927
kernel source for telekom puls (alcatel/mediatek)