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Add linux-next specific files for 20110831
[linux-2.6/next.git] / drivers / media / video / cx23885 / cx23885-video.c
blob896bb32dbf0301c53863dfae3ae7ae4d8a123fc1
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 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
41 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
42 MODULE_LICENSE("GPL");
43
44 /* ------------------------------------------------------------------ */
45
46 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
47 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
48 static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
49
50 module_param_array(video_nr, int, NULL, 0444);
51 module_param_array(vbi_nr, int, NULL, 0444);
52 module_param_array(radio_nr, int, NULL, 0444);
53
54 MODULE_PARM_DESC(video_nr, "video device numbers");
55 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
56 MODULE_PARM_DESC(radio_nr, "radio device numbers");
57
58 static unsigned int video_debug;
59 module_param(video_debug, int, 0644);
60 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
61
62 static unsigned int irq_debug;
63 module_param(irq_debug, int, 0644);
64 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
65
66 static unsigned int vid_limit = 16;
67 module_param(vid_limit, int, 0644);
68 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
69
70 #define dprintk(level, fmt, arg...)\
71 do { if (video_debug >= level)\
72 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
73 } while (0)
74
75 /* ------------------------------------------------------------------- */
76 /* static data */
77
78 #define FORMAT_FLAGS_PACKED 0x01
79
80 static struct cx23885_fmt formats[] = {
81 {
82 .name = "8 bpp, gray",
83 .fourcc = V4L2_PIX_FMT_GREY,
84 .depth = 8,
85 .flags = FORMAT_FLAGS_PACKED,
86 }, {
87 .name = "15 bpp RGB, le",
88 .fourcc = V4L2_PIX_FMT_RGB555,
89 .depth = 16,
90 .flags = FORMAT_FLAGS_PACKED,
91 }, {
92 .name = "15 bpp RGB, be",
93 .fourcc = V4L2_PIX_FMT_RGB555X,
94 .depth = 16,
95 .flags = FORMAT_FLAGS_PACKED,
96 }, {
97 .name = "16 bpp RGB, le",
98 .fourcc = V4L2_PIX_FMT_RGB565,
99 .depth = 16,
100 .flags = FORMAT_FLAGS_PACKED,
101 }, {
102 .name = "16 bpp RGB, be",
103 .fourcc = V4L2_PIX_FMT_RGB565X,
104 .depth = 16,
105 .flags = FORMAT_FLAGS_PACKED,
106 }, {
107 .name = "24 bpp RGB, le",
108 .fourcc = V4L2_PIX_FMT_BGR24,
109 .depth = 24,
110 .flags = FORMAT_FLAGS_PACKED,
111 }, {
112 .name = "32 bpp RGB, le",
113 .fourcc = V4L2_PIX_FMT_BGR32,
114 .depth = 32,
115 .flags = FORMAT_FLAGS_PACKED,
116 }, {
117 .name = "32 bpp RGB, be",
118 .fourcc = V4L2_PIX_FMT_RGB32,
119 .depth = 32,
120 .flags = FORMAT_FLAGS_PACKED,
121 }, {
122 .name = "4:2:2, packed, YUYV",
123 .fourcc = V4L2_PIX_FMT_YUYV,
124 .depth = 16,
125 .flags = FORMAT_FLAGS_PACKED,
126 }, {
127 .name = "4:2:2, packed, UYVY",
128 .fourcc = V4L2_PIX_FMT_UYVY,
129 .depth = 16,
130 .flags = FORMAT_FLAGS_PACKED,
131 },
132 };
133
134 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
135 {
136 unsigned int i;
137
138 for (i = 0; i < ARRAY_SIZE(formats); i++)
139 if (formats[i].fourcc == fourcc)
140 return formats+i;
141
142 printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc);
143 return NULL;
144 }
145
146 /* ------------------------------------------------------------------- */
147
148 static const struct v4l2_queryctrl no_ctl = {
149 .name = "42",
150 .flags = V4L2_CTRL_FLAG_DISABLED,
151 };
152
153 static struct cx23885_ctrl cx23885_ctls[] = {
154 /* --- video --- */
155 {
156 .v = {
157 .id = V4L2_CID_BRIGHTNESS,
158 .name = "Brightness",
159 .minimum = 0x00,
160 .maximum = 0xff,
161 .step = 1,
162 .default_value = 0x7f,
163 .type = V4L2_CTRL_TYPE_INTEGER,
164 },
165 .off = 128,
166 .reg = LUMA_CTRL,
167 .mask = 0x00ff,
168 .shift = 0,
169 }, {
170 .v = {
171 .id = V4L2_CID_CONTRAST,
172 .name = "Contrast",
173 .minimum = 0,
174 .maximum = 0xff,
175 .step = 1,
176 .default_value = 0x3f,
177 .type = V4L2_CTRL_TYPE_INTEGER,
178 },
179 .off = 0,
180 .reg = LUMA_CTRL,
181 .mask = 0xff00,
182 .shift = 8,
183 }, {
184 .v = {
185 .id = V4L2_CID_HUE,
186 .name = "Hue",
187 .minimum = 0,
188 .maximum = 0xff,
189 .step = 1,
190 .default_value = 0x7f,
191 .type = V4L2_CTRL_TYPE_INTEGER,
192 },
193 .off = 128,
194 .reg = CHROMA_CTRL,
195 .mask = 0xff0000,
196 .shift = 16,
197 }, {
198 /* strictly, this only describes only U saturation.
199 * V saturation is handled specially through code.
200 */
201 .v = {
202 .id = V4L2_CID_SATURATION,
203 .name = "Saturation",
204 .minimum = 0,
205 .maximum = 0xff,
206 .step = 1,
207 .default_value = 0x7f,
208 .type = V4L2_CTRL_TYPE_INTEGER,
209 },
210 .off = 0,
211 .reg = CHROMA_CTRL,
212 .mask = 0x00ff,
213 .shift = 0,
214 }, {
215 /* --- audio --- */
216 .v = {
217 .id = V4L2_CID_AUDIO_MUTE,
218 .name = "Mute",
219 .minimum = 0,
220 .maximum = 1,
221 .default_value = 1,
222 .type = V4L2_CTRL_TYPE_BOOLEAN,
223 },
224 .reg = PATH1_CTL1,
225 .mask = (0x1f << 24),
226 .shift = 24,
227 }, {
228 .v = {
229 .id = V4L2_CID_AUDIO_VOLUME,
230 .name = "Volume",
231 .minimum = 0,
232 .maximum = 0x3f,
233 .step = 1,
234 .default_value = 0x3f,
235 .type = V4L2_CTRL_TYPE_INTEGER,
236 },
237 .reg = PATH1_VOL_CTL,
238 .mask = 0xff,
239 .shift = 0,
240 }
241 };
242 static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);
243
244 /* Must be sorted from low to high control ID! */
245 static const u32 cx23885_user_ctrls[] = {
246 V4L2_CID_USER_CLASS,
247 V4L2_CID_BRIGHTNESS,
248 V4L2_CID_CONTRAST,
249 V4L2_CID_SATURATION,
250 V4L2_CID_HUE,
251 V4L2_CID_AUDIO_VOLUME,
252 V4L2_CID_AUDIO_MUTE,
253 0
254 };
255
256 static const u32 *ctrl_classes[] = {
257 cx23885_user_ctrls,
258 NULL
259 };
260
261 static void cx23885_video_wakeup(struct cx23885_dev *dev,
262 struct cx23885_dmaqueue *q, u32 count)
263 {
264 struct cx23885_buffer *buf;
265 int bc;
266
267 for (bc = 0;; bc++) {
268 if (list_empty(&q->active))
269 break;
270 buf = list_entry(q->active.next,
271 struct cx23885_buffer, vb.queue);
272
273 /* count comes from the hw and is is 16bit wide --
274 * this trick handles wrap-arounds correctly for
275 * up to 32767 buffers in flight... */
276 if ((s16) (count - buf->count) < 0)
277 break;
278
279 do_gettimeofday(&buf->vb.ts);
280 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i,
281 count, buf->count);
282 buf->vb.state = VIDEOBUF_DONE;
283 list_del(&buf->vb.queue);
284 wake_up(&buf->vb.done);
285 }
286 if (list_empty(&q->active))
287 del_timer(&q->timeout);
288 else
289 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
290 if (bc != 1)
291 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n",
292 __func__, bc);
293 }
294
295 static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
296 {
297 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
298 __func__,
299 (unsigned int)norm,
300 v4l2_norm_to_name(norm));
301
302 dev->tvnorm = norm;
303
304 call_all(dev, core, s_std, norm);
305
306 return 0;
307 }
308
309 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
310 struct pci_dev *pci,
311 struct video_device *template,
312 char *type)
313 {
314 struct video_device *vfd;
315 dprintk(1, "%s()\n", __func__);
316
317 vfd = video_device_alloc();
318 if (NULL == vfd)
319 return NULL;
320 *vfd = *template;
321 vfd->v4l2_dev = &dev->v4l2_dev;
322 vfd->release = video_device_release;
323 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
324 dev->name, type, cx23885_boards[dev->board].name);
325 video_set_drvdata(vfd, dev);
326 return vfd;
327 }
328
329 static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
330 {
331 int i;
332
333 if (qctrl->id < V4L2_CID_BASE ||
334 qctrl->id >= V4L2_CID_LASTP1)
335 return -EINVAL;
336 for (i = 0; i < CX23885_CTLS; i++)
337 if (cx23885_ctls[i].v.id == qctrl->id)
338 break;
339 if (i == CX23885_CTLS) {
340 *qctrl = no_ctl;
341 return 0;
342 }
343 *qctrl = cx23885_ctls[i].v;
344 return 0;
345 }
346
347 /* ------------------------------------------------------------------- */
348 /* resource management */
349
350 static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh,
351 unsigned int bit)
352 {
353 dprintk(1, "%s()\n", __func__);
354 if (fh->resources & bit)
355 /* have it already allocated */
356 return 1;
357
358 /* is it free? */
359 mutex_lock(&dev->lock);
360 if (dev->resources & bit) {
361 /* no, someone else uses it */
362 mutex_unlock(&dev->lock);
363 return 0;
364 }
365 /* it's free, grab it */
366 fh->resources |= bit;
367 dev->resources |= bit;
368 dprintk(1, "res: get %d\n", bit);
369 mutex_unlock(&dev->lock);
370 return 1;
371 }
372
373 static int res_check(struct cx23885_fh *fh, unsigned int bit)
374 {
375 return fh->resources & bit;
376 }
377
378 static int res_locked(struct cx23885_dev *dev, unsigned int bit)
379 {
380 return dev->resources & bit;
381 }
382
383 static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
384 unsigned int bits)
385 {
386 BUG_ON((fh->resources & bits) != bits);
387 dprintk(1, "%s()\n", __func__);
388
389 mutex_lock(&dev->lock);
390 fh->resources &= ~bits;
391 dev->resources &= ~bits;
392 dprintk(1, "res: put %d\n", bits);
393 mutex_unlock(&dev->lock);
394 }
395
396 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
397 {
398 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
399 __func__,
400 input, INPUT(input)->vmux,
401 INPUT(input)->gpio0, INPUT(input)->gpio1,
402 INPUT(input)->gpio2, INPUT(input)->gpio3);
403 dev->input = input;
404
405 if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
406 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2) {
407 /* Select Analog TV */
408 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
409 cx23885_gpio_clear(dev, GPIO_0);
410 }
411
412 /* Tell the internal A/V decoder */
413 v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
414 INPUT(input)->vmux, 0, 0);
415
416 return 0;
417 }
418
419 /* ------------------------------------------------------------------ */
420 static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width,
421 unsigned int height, enum v4l2_field field)
422 {
423 dprintk(1, "%s()\n", __func__);
424 return 0;
425 }
426
427 static int cx23885_start_video_dma(struct cx23885_dev *dev,
428 struct cx23885_dmaqueue *q,
429 struct cx23885_buffer *buf)
430 {
431 dprintk(1, "%s()\n", __func__);
432
433 /* setup fifo + format */
434 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
435 buf->bpl, buf->risc.dma);
436 cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field);
437
438 /* reset counter */
439 cx_write(VID_A_GPCNT_CTL, 3);
440 q->count = 1;
441
442 /* enable irq */
443 cx23885_irq_add_enable(dev, 0x01);
444 cx_set(VID_A_INT_MSK, 0x000011);
445
446 /* start dma */
447 cx_set(DEV_CNTRL2, (1<<5));
448 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
449
450 return 0;
451 }
452
453
454 static int cx23885_restart_video_queue(struct cx23885_dev *dev,
455 struct cx23885_dmaqueue *q)
456 {
457 struct cx23885_buffer *buf, *prev;
458 struct list_head *item;
459 dprintk(1, "%s()\n", __func__);
460
461 if (!list_empty(&q->active)) {
462 buf = list_entry(q->active.next, struct cx23885_buffer,
463 vb.queue);
464 dprintk(2, "restart_queue [%p/%d]: restart dma\n",
465 buf, buf->vb.i);
466 cx23885_start_video_dma(dev, q, buf);
467 list_for_each(item, &q->active) {
468 buf = list_entry(item, struct cx23885_buffer,
469 vb.queue);
470 buf->count = q->count++;
471 }
472 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
473 return 0;
474 }
475
476 prev = NULL;
477 for (;;) {
478 if (list_empty(&q->queued))
479 return 0;
480 buf = list_entry(q->queued.next, struct cx23885_buffer,
481 vb.queue);
482 if (NULL == prev) {
483 list_move_tail(&buf->vb.queue, &q->active);
484 cx23885_start_video_dma(dev, q, buf);
485 buf->vb.state = VIDEOBUF_ACTIVE;
486 buf->count = q->count++;
487 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
488 dprintk(2, "[%p/%d] restart_queue - first active\n",
489 buf, buf->vb.i);
490
491 } else if (prev->vb.width == buf->vb.width &&
492 prev->vb.height == buf->vb.height &&
493 prev->fmt == buf->fmt) {
494 list_move_tail(&buf->vb.queue, &q->active);
495 buf->vb.state = VIDEOBUF_ACTIVE;
496 buf->count = q->count++;
497 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
498 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
499 dprintk(2, "[%p/%d] restart_queue - move to active\n",
500 buf, buf->vb.i);
501 } else {
502 return 0;
503 }
504 prev = buf;
505 }
506 }
507
508 static int buffer_setup(struct videobuf_queue *q, unsigned int *count,
509 unsigned int *size)
510 {
511 struct cx23885_fh *fh = q->priv_data;
512
513 *size = fh->fmt->depth*fh->width*fh->height >> 3;
514 if (0 == *count)
515 *count = 32;
516 if (*size * *count > vid_limit * 1024 * 1024)
517 *count = (vid_limit * 1024 * 1024) / *size;
518 return 0;
519 }
520
521 static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
522 enum v4l2_field field)
523 {
524 struct cx23885_fh *fh = q->priv_data;
525 struct cx23885_dev *dev = fh->dev;
526 struct cx23885_buffer *buf =
527 container_of(vb, struct cx23885_buffer, vb);
528 int rc, init_buffer = 0;
529 u32 line0_offset, line1_offset;
530 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
531
532 BUG_ON(NULL == fh->fmt);
533 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) ||
534 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm))
535 return -EINVAL;
536 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
537 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
538 return -EINVAL;
539
540 if (buf->fmt != fh->fmt ||
541 buf->vb.width != fh->width ||
542 buf->vb.height != fh->height ||
543 buf->vb.field != field) {
544 buf->fmt = fh->fmt;
545 buf->vb.width = fh->width;
546 buf->vb.height = fh->height;
547 buf->vb.field = field;
548 init_buffer = 1;
549 }
550
551 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
552 init_buffer = 1;
553 rc = videobuf_iolock(q, &buf->vb, NULL);
554 if (0 != rc)
555 goto fail;
556 }
557
558 if (init_buffer) {
559 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
560 switch (buf->vb.field) {
561 case V4L2_FIELD_TOP:
562 cx23885_risc_buffer(dev->pci, &buf->risc,
563 dma->sglist, 0, UNSET,
564 buf->bpl, 0, buf->vb.height);
565 break;
566 case V4L2_FIELD_BOTTOM:
567 cx23885_risc_buffer(dev->pci, &buf->risc,
568 dma->sglist, UNSET, 0,
569 buf->bpl, 0, buf->vb.height);
570 break;
571 case V4L2_FIELD_INTERLACED:
572 if (dev->tvnorm & V4L2_STD_NTSC) {
573 /* cx25840 transmits NTSC bottom field first */
574 dprintk(1, "%s() Creating NTSC risc\n",
575 __func__);
576 line0_offset = buf->bpl;
577 line1_offset = 0;
578 } else {
579 /* All other formats are top field first */
580 dprintk(1, "%s() Creating PAL/SECAM risc\n",
581 __func__);
582 line0_offset = 0;
583 line1_offset = buf->bpl;
584 }
585 cx23885_risc_buffer(dev->pci, &buf->risc,
586 dma->sglist, line0_offset,
587 line1_offset,
588 buf->bpl, buf->bpl,
589 buf->vb.height >> 1);
590 break;
591 case V4L2_FIELD_SEQ_TB:
592 cx23885_risc_buffer(dev->pci, &buf->risc,
593 dma->sglist,
594 0, buf->bpl * (buf->vb.height >> 1),
595 buf->bpl, 0,
596 buf->vb.height >> 1);
597 break;
598 case V4L2_FIELD_SEQ_BT:
599 cx23885_risc_buffer(dev->pci, &buf->risc,
600 dma->sglist,
601 buf->bpl * (buf->vb.height >> 1), 0,
602 buf->bpl, 0,
603 buf->vb.height >> 1);
604 break;
605 default:
606 BUG();
607 }
608 }
609 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
610 buf, buf->vb.i,
611 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
612 (unsigned long)buf->risc.dma);
613
614 buf->vb.state = VIDEOBUF_PREPARED;
615 return 0;
616
617 fail:
618 cx23885_free_buffer(q, buf);
619 return rc;
620 }
621
622 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
623 {
624 struct cx23885_buffer *buf = container_of(vb,
625 struct cx23885_buffer, vb);
626 struct cx23885_buffer *prev;
627 struct cx23885_fh *fh = vq->priv_data;
628 struct cx23885_dev *dev = fh->dev;
629 struct cx23885_dmaqueue *q = &dev->vidq;
630
631 /* add jump to stopper */
632 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
633 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
634 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
635
636 if (!list_empty(&q->queued)) {
637 list_add_tail(&buf->vb.queue, &q->queued);
638 buf->vb.state = VIDEOBUF_QUEUED;
639 dprintk(2, "[%p/%d] buffer_queue - append to queued\n",
640 buf, buf->vb.i);
641
642 } else if (list_empty(&q->active)) {
643 list_add_tail(&buf->vb.queue, &q->active);
644 cx23885_start_video_dma(dev, q, buf);
645 buf->vb.state = VIDEOBUF_ACTIVE;
646 buf->count = q->count++;
647 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
648 dprintk(2, "[%p/%d] buffer_queue - first active\n",
649 buf, buf->vb.i);
650
651 } else {
652 prev = list_entry(q->active.prev, struct cx23885_buffer,
653 vb.queue);
654 if (prev->vb.width == buf->vb.width &&
655 prev->vb.height == buf->vb.height &&
656 prev->fmt == buf->fmt) {
657 list_add_tail(&buf->vb.queue, &q->active);
658 buf->vb.state = VIDEOBUF_ACTIVE;
659 buf->count = q->count++;
660 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
661 /* 64 bit bits 63-32 */
662 prev->risc.jmp[2] = cpu_to_le32(0);
663 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
664 buf, buf->vb.i);
665
666 } else {
667 list_add_tail(&buf->vb.queue, &q->queued);
668 buf->vb.state = VIDEOBUF_QUEUED;
669 dprintk(2, "[%p/%d] buffer_queue - first queued\n",
670 buf, buf->vb.i);
671 }
672 }
673 }
674
675 static void buffer_release(struct videobuf_queue *q,
676 struct videobuf_buffer *vb)
677 {
678 struct cx23885_buffer *buf = container_of(vb,
679 struct cx23885_buffer, vb);
680
681 cx23885_free_buffer(q, buf);
682 }
683
684 static struct videobuf_queue_ops cx23885_video_qops = {
685 .buf_setup = buffer_setup,
686 .buf_prepare = buffer_prepare,
687 .buf_queue = buffer_queue,
688 .buf_release = buffer_release,
689 };
690
691 static struct videobuf_queue *get_queue(struct cx23885_fh *fh)
692 {
693 switch (fh->type) {
694 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
695 return &fh->vidq;
696 case V4L2_BUF_TYPE_VBI_CAPTURE:
697 return &fh->vbiq;
698 default:
699 BUG();
700 return NULL;
701 }
702 }
703
704 static int get_resource(struct cx23885_fh *fh)
705 {
706 switch (fh->type) {
707 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
708 return RESOURCE_VIDEO;
709 case V4L2_BUF_TYPE_VBI_CAPTURE:
710 return RESOURCE_VBI;
711 default:
712 BUG();
713 return 0;
714 }
715 }
716
717 static int video_open(struct file *file)
718 {
719 struct video_device *vdev = video_devdata(file);
720 struct cx23885_dev *dev = video_drvdata(file);
721 struct cx23885_fh *fh;
722 enum v4l2_buf_type type = 0;
723 int radio = 0;
724
725 switch (vdev->vfl_type) {
726 case VFL_TYPE_GRABBER:
727 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
728 break;
729 case VFL_TYPE_VBI:
730 type = V4L2_BUF_TYPE_VBI_CAPTURE;
731 break;
732 case VFL_TYPE_RADIO:
733 radio = 1;
734 break;
735 }
736
737 dprintk(1, "open dev=%s radio=%d type=%s\n",
738 video_device_node_name(vdev), radio, v4l2_type_names[type]);
739
740 /* allocate + initialize per filehandle data */
741 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
742 if (NULL == fh)
743 return -ENOMEM;
744
745 file->private_data = fh;
746 fh->dev = dev;
747 fh->radio = radio;
748 fh->type = type;
749 fh->width = 320;
750 fh->height = 240;
751 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
752
753 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
754 &dev->pci->dev, &dev->slock,
755 V4L2_BUF_TYPE_VIDEO_CAPTURE,
756 V4L2_FIELD_INTERLACED,
757 sizeof(struct cx23885_buffer),
758 fh, NULL);
759
760 dprintk(1, "post videobuf_queue_init()\n");
761
762 return 0;
763 }
764
765 static ssize_t video_read(struct file *file, char __user *data,
766 size_t count, loff_t *ppos)
767 {
768 struct cx23885_fh *fh = file->private_data;
769
770 switch (fh->type) {
771 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
772 if (res_locked(fh->dev, RESOURCE_VIDEO))
773 return -EBUSY;
774 return videobuf_read_one(&fh->vidq, data, count, ppos,
775 file->f_flags & O_NONBLOCK);
776 case V4L2_BUF_TYPE_VBI_CAPTURE:
777 if (!res_get(fh->dev, fh, RESOURCE_VBI))
778 return -EBUSY;
779 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
780 file->f_flags & O_NONBLOCK);
781 default:
782 BUG();
783 return 0;
784 }
785 }
786
787 static unsigned int video_poll(struct file *file,
788 struct poll_table_struct *wait)
789 {
790 struct cx23885_fh *fh = file->private_data;
791 struct cx23885_buffer *buf;
792 unsigned int rc = POLLERR;
793
794 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
795 if (!res_get(fh->dev, fh, RESOURCE_VBI))
796 return POLLERR;
797 return videobuf_poll_stream(file, &fh->vbiq, wait);
798 }
799
800 mutex_lock(&fh->vidq.vb_lock);
801 if (res_check(fh, RESOURCE_VIDEO)) {
802 /* streaming capture */
803 if (list_empty(&fh->vidq.stream))
804 goto done;
805 buf = list_entry(fh->vidq.stream.next,
806 struct cx23885_buffer, vb.stream);
807 } else {
808 /* read() capture */
809 buf = (struct cx23885_buffer *)fh->vidq.read_buf;
810 if (NULL == buf)
811 goto done;
812 }
813 poll_wait(file, &buf->vb.done, wait);
814 if (buf->vb.state == VIDEOBUF_DONE ||
815 buf->vb.state == VIDEOBUF_ERROR)
816 rc = POLLIN|POLLRDNORM;
817 else
818 rc = 0;
819 done:
820 mutex_unlock(&fh->vidq.vb_lock);
821 return rc;
822 }
823
824 static int video_release(struct file *file)
825 {
826 struct cx23885_fh *fh = file->private_data;
827 struct cx23885_dev *dev = fh->dev;
828
829 /* turn off overlay */
830 if (res_check(fh, RESOURCE_OVERLAY)) {
831 /* FIXME */
832 res_free(dev, fh, RESOURCE_OVERLAY);
833 }
834
835 /* stop video capture */
836 if (res_check(fh, RESOURCE_VIDEO)) {
837 videobuf_queue_cancel(&fh->vidq);
838 res_free(dev, fh, RESOURCE_VIDEO);
839 }
840 if (fh->vidq.read_buf) {
841 buffer_release(&fh->vidq, fh->vidq.read_buf);
842 kfree(fh->vidq.read_buf);
843 }
844
845 /* stop vbi capture */
846 if (res_check(fh, RESOURCE_VBI)) {
847 if (fh->vbiq.streaming)
848 videobuf_streamoff(&fh->vbiq);
849 if (fh->vbiq.reading)
850 videobuf_read_stop(&fh->vbiq);
851 res_free(dev, fh, RESOURCE_VBI);
852 }
853
854 videobuf_mmap_free(&fh->vidq);
855 file->private_data = NULL;
856 kfree(fh);
857
858 /* We are not putting the tuner to sleep here on exit, because
859 * we want to use the mpeg encoder in another session to capture
860 * tuner video. Closing this will result in no video to the encoder.
861 */
862
863 return 0;
864 }
865
866 static int video_mmap(struct file *file, struct vm_area_struct *vma)
867 {
868 struct cx23885_fh *fh = file->private_data;
869
870 return videobuf_mmap_mapper(get_queue(fh), vma);
871 }
872
873 /* ------------------------------------------------------------------ */
874 /* VIDEO CTRL IOCTLS */
875
876 static int cx23885_get_control(struct cx23885_dev *dev,
877 struct v4l2_control *ctl)
878 {
879 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
880 call_all(dev, core, g_ctrl, ctl);
881 return 0;
882 }
883
884 static int cx23885_set_control(struct cx23885_dev *dev,
885 struct v4l2_control *ctl)
886 {
887 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)"
888 " (disabled - no action)\n", __func__);
889 return 0;
890 }
891
892 static void init_controls(struct cx23885_dev *dev)
893 {
894 struct v4l2_control ctrl;
895 int i;
896
897 for (i = 0; i < CX23885_CTLS; i++) {
898 ctrl.id = cx23885_ctls[i].v.id;
899 ctrl.value = cx23885_ctls[i].v.default_value;
900
901 cx23885_set_control(dev, &ctrl);
902 }
903 }
904
905 /* ------------------------------------------------------------------ */
906 /* VIDEO IOCTLS */
907
908 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
909 struct v4l2_format *f)
910 {
911 struct cx23885_fh *fh = priv;
912
913 f->fmt.pix.width = fh->width;
914 f->fmt.pix.height = fh->height;
915 f->fmt.pix.field = fh->vidq.field;
916 f->fmt.pix.pixelformat = fh->fmt->fourcc;
917 f->fmt.pix.bytesperline =
918 (f->fmt.pix.width * fh->fmt->depth) >> 3;
919 f->fmt.pix.sizeimage =
920 f->fmt.pix.height * f->fmt.pix.bytesperline;
921
922 return 0;
923 }
924
925 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
926 struct v4l2_format *f)
927 {
928 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
929 struct cx23885_fmt *fmt;
930 enum v4l2_field field;
931 unsigned int maxw, maxh;
932
933 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
934 if (NULL == fmt)
935 return -EINVAL;
936
937 field = f->fmt.pix.field;
938 maxw = norm_maxw(dev->tvnorm);
939 maxh = norm_maxh(dev->tvnorm);
940
941 if (V4L2_FIELD_ANY == field) {
942 field = (f->fmt.pix.height > maxh/2)
943 ? V4L2_FIELD_INTERLACED
944 : V4L2_FIELD_BOTTOM;
945 }
946
947 switch (field) {
948 case V4L2_FIELD_TOP:
949 case V4L2_FIELD_BOTTOM:
950 maxh = maxh / 2;
951 break;
952 case V4L2_FIELD_INTERLACED:
953 break;
954 default:
955 return -EINVAL;
956 }
957
958 f->fmt.pix.field = field;
959 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
960 &f->fmt.pix.height, 32, maxh, 0, 0);
961 f->fmt.pix.bytesperline =
962 (f->fmt.pix.width * fmt->depth) >> 3;
963 f->fmt.pix.sizeimage =
964 f->fmt.pix.height * f->fmt.pix.bytesperline;
965
966 return 0;
967 }
968
969 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
970 struct v4l2_format *f)
971 {
972 struct cx23885_fh *fh = priv;
973 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
974 struct v4l2_mbus_framefmt mbus_fmt;
975 int err;
976
977 dprintk(2, "%s()\n", __func__);
978 err = vidioc_try_fmt_vid_cap(file, priv, f);
979
980 if (0 != err)
981 return err;
982 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
983 fh->width = f->fmt.pix.width;
984 fh->height = f->fmt.pix.height;
985 fh->vidq.field = f->fmt.pix.field;
986 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
987 fh->width, fh->height, fh->vidq.field);
988 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
989 call_all(dev, video, s_mbus_fmt, &mbus_fmt);
990 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
991 return 0;
992 }
993
994 static int vidioc_querycap(struct file *file, void *priv,
995 struct v4l2_capability *cap)
996 {
997 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
998
999 strcpy(cap->driver, "cx23885");
1000 strlcpy(cap->card, cx23885_boards[dev->board].name,
1001 sizeof(cap->card));
1002 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1003 cap->capabilities =
1004 V4L2_CAP_VIDEO_CAPTURE |
1005 V4L2_CAP_READWRITE |
1006 V4L2_CAP_STREAMING |
1007 V4L2_CAP_VBI_CAPTURE;
1008 if (UNSET != dev->tuner_type)
1009 cap->capabilities |= V4L2_CAP_TUNER;
1010 return 0;
1011 }
1012
1013 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1014 struct v4l2_fmtdesc *f)
1015 {
1016 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1017 return -EINVAL;
1018
1019 strlcpy(f->description, formats[f->index].name,
1020 sizeof(f->description));
1021 f->pixelformat = formats[f->index].fourcc;
1022
1023 return 0;
1024 }
1025
1026 static int vidioc_reqbufs(struct file *file, void *priv,
1027 struct v4l2_requestbuffers *p)
1028 {
1029 struct cx23885_fh *fh = priv;
1030 return videobuf_reqbufs(get_queue(fh), p);
1031 }
1032
1033 static int vidioc_querybuf(struct file *file, void *priv,
1034 struct v4l2_buffer *p)
1035 {
1036 struct cx23885_fh *fh = priv;
1037 return videobuf_querybuf(get_queue(fh), p);
1038 }
1039
1040 static int vidioc_qbuf(struct file *file, void *priv,
1041 struct v4l2_buffer *p)
1042 {
1043 struct cx23885_fh *fh = priv;
1044 return videobuf_qbuf(get_queue(fh), p);
1045 }
1046
1047 static int vidioc_dqbuf(struct file *file, void *priv,
1048 struct v4l2_buffer *p)
1049 {
1050 struct cx23885_fh *fh = priv;
1051 return videobuf_dqbuf(get_queue(fh), p,
1052 file->f_flags & O_NONBLOCK);
1053 }
1054
1055 static int vidioc_streamon(struct file *file, void *priv,
1056 enum v4l2_buf_type i)
1057 {
1058 struct cx23885_fh *fh = priv;
1059 struct cx23885_dev *dev = fh->dev;
1060 dprintk(1, "%s()\n", __func__);
1061
1062 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1063 return -EINVAL;
1064 if (unlikely(i != fh->type))
1065 return -EINVAL;
1066
1067 if (unlikely(!res_get(dev, fh, get_resource(fh))))
1068 return -EBUSY;
1069 return videobuf_streamon(get_queue(fh));
1070 }
1071
1072 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1073 {
1074 struct cx23885_fh *fh = priv;
1075 struct cx23885_dev *dev = fh->dev;
1076 int err, res;
1077 dprintk(1, "%s()\n", __func__);
1078
1079 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1080 return -EINVAL;
1081 if (i != fh->type)
1082 return -EINVAL;
1083
1084 res = get_resource(fh);
1085 err = videobuf_streamoff(get_queue(fh));
1086 if (err < 0)
1087 return err;
1088 res_free(dev, fh, res);
1089 return 0;
1090 }
1091
1092 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
1093 {
1094 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1095 dprintk(1, "%s()\n", __func__);
1096
1097 mutex_lock(&dev->lock);
1098 cx23885_set_tvnorm(dev, *tvnorms);
1099 mutex_unlock(&dev->lock);
1100
1101 return 0;
1102 }
1103
1104 static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
1105 {
1106 static const char *iname[] = {
1107 [CX23885_VMUX_COMPOSITE1] = "Composite1",
1108 [CX23885_VMUX_COMPOSITE2] = "Composite2",
1109 [CX23885_VMUX_COMPOSITE3] = "Composite3",
1110 [CX23885_VMUX_COMPOSITE4] = "Composite4",
1111 [CX23885_VMUX_SVIDEO] = "S-Video",
1112 [CX23885_VMUX_COMPONENT] = "Component",
1113 [CX23885_VMUX_TELEVISION] = "Television",
1114 [CX23885_VMUX_CABLE] = "Cable TV",
1115 [CX23885_VMUX_DVB] = "DVB",
1116 [CX23885_VMUX_DEBUG] = "for debug only",
1117 };
1118 unsigned int n;
1119 dprintk(1, "%s()\n", __func__);
1120
1121 n = i->index;
1122 if (n >= 4)
1123 return -EINVAL;
1124
1125 if (0 == INPUT(n)->type)
1126 return -EINVAL;
1127
1128 i->index = n;
1129 i->type = V4L2_INPUT_TYPE_CAMERA;
1130 strcpy(i->name, iname[INPUT(n)->type]);
1131 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
1132 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
1133 i->type = V4L2_INPUT_TYPE_TUNER;
1134 i->std = CX23885_NORMS;
1135 }
1136 return 0;
1137 }
1138
1139 static int vidioc_enum_input(struct file *file, void *priv,
1140 struct v4l2_input *i)
1141 {
1142 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1143 dprintk(1, "%s()\n", __func__);
1144 return cx23885_enum_input(dev, i);
1145 }
1146
1147 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1148 {
1149 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1150
1151 *i = dev->input;
1152 dprintk(1, "%s() returns %d\n", __func__, *i);
1153 return 0;
1154 }
1155
1156 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1157 {
1158 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1159
1160 dprintk(1, "%s(%d)\n", __func__, i);
1161
1162 if (i >= 4) {
1163 dprintk(1, "%s() -EINVAL\n", __func__);
1164 return -EINVAL;
1165 }
1166
1167 mutex_lock(&dev->lock);
1168 cx23885_video_mux(dev, i);
1169 mutex_unlock(&dev->lock);
1170 return 0;
1171 }
1172
1173 static int vidioc_log_status(struct file *file, void *priv)
1174 {
1175 struct cx23885_fh *fh = priv;
1176 struct cx23885_dev *dev = fh->dev;
1177
1178 printk(KERN_INFO
1179 "%s/0: ============ START LOG STATUS ============\n",
1180 dev->name);
1181 call_all(dev, core, log_status);
1182 printk(KERN_INFO
1183 "%s/0: ============= END LOG STATUS =============\n",
1184 dev->name);
1185 return 0;
1186 }
1187
1188 static int vidioc_queryctrl(struct file *file, void *priv,
1189 struct v4l2_queryctrl *qctrl)
1190 {
1191 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1192 if (unlikely(qctrl->id == 0))
1193 return -EINVAL;
1194 return cx23885_ctrl_query(qctrl);
1195 }
1196
1197 static int vidioc_g_ctrl(struct file *file, void *priv,
1198 struct v4l2_control *ctl)
1199 {
1200 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1201
1202 return cx23885_get_control(dev, ctl);
1203 }
1204
1205 static int vidioc_s_ctrl(struct file *file, void *priv,
1206 struct v4l2_control *ctl)
1207 {
1208 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1209
1210 return cx23885_set_control(dev, ctl);
1211 }
1212
1213 static int vidioc_g_tuner(struct file *file, void *priv,
1214 struct v4l2_tuner *t)
1215 {
1216 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1217
1218 if (unlikely(UNSET == dev->tuner_type))
1219 return -EINVAL;
1220 if (0 != t->index)
1221 return -EINVAL;
1222
1223 strcpy(t->name, "Television");
1224 t->type = V4L2_TUNER_ANALOG_TV;
1225 t->capability = V4L2_TUNER_CAP_NORM;
1226 t->rangehigh = 0xffffffffUL;
1227 t->signal = 0xffff ; /* LOCKED */
1228 return 0;
1229 }
1230
1231 static int vidioc_s_tuner(struct file *file, void *priv,
1232 struct v4l2_tuner *t)
1233 {
1234 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1235
1236 if (UNSET == dev->tuner_type)
1237 return -EINVAL;
1238 if (0 != t->index)
1239 return -EINVAL;
1240 return 0;
1241 }
1242
1243 static int vidioc_g_frequency(struct file *file, void *priv,
1244 struct v4l2_frequency *f)
1245 {
1246 struct cx23885_fh *fh = priv;
1247 struct cx23885_dev *dev = fh->dev;
1248
1249 if (unlikely(UNSET == dev->tuner_type))
1250 return -EINVAL;
1251
1252 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1253 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1254 f->frequency = dev->freq;
1255
1256 call_all(dev, tuner, g_frequency, f);
1257
1258 return 0;
1259 }
1260
1261 static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
1262 {
1263 if (unlikely(UNSET == dev->tuner_type))
1264 return -EINVAL;
1265 if (unlikely(f->tuner != 0))
1266 return -EINVAL;
1267
1268 mutex_lock(&dev->lock);
1269 dev->freq = f->frequency;
1270
1271 call_all(dev, tuner, s_frequency, f);
1272
1273 /* When changing channels it is required to reset TVAUDIO */
1274 msleep(10);
1275
1276 mutex_unlock(&dev->lock);
1277
1278 return 0;
1279 }
1280
1281 static int vidioc_s_frequency(struct file *file, void *priv,
1282 struct v4l2_frequency *f)
1283 {
1284 struct cx23885_fh *fh = priv;
1285 struct cx23885_dev *dev = fh->dev;
1286
1287 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1288 return -EINVAL;
1289 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1290 return -EINVAL;
1291
1292 return
1293 cx23885_set_freq(dev, f);
1294 }
1295
1296 /* ----------------------------------------------------------- */
1297
1298 static void cx23885_vid_timeout(unsigned long data)
1299 {
1300 struct cx23885_dev *dev = (struct cx23885_dev *)data;
1301 struct cx23885_dmaqueue *q = &dev->vidq;
1302 struct cx23885_buffer *buf;
1303 unsigned long flags;
1304
1305 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
1306
1307 cx_clear(VID_A_DMA_CTL, 0x11);
1308
1309 spin_lock_irqsave(&dev->slock, flags);
1310 while (!list_empty(&q->active)) {
1311 buf = list_entry(q->active.next,
1312 struct cx23885_buffer, vb.queue);
1313 list_del(&buf->vb.queue);
1314 buf->vb.state = VIDEOBUF_ERROR;
1315 wake_up(&buf->vb.done);
1316 printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n",
1317 dev->name, buf, buf->vb.i,
1318 (unsigned long)buf->risc.dma);
1319 }
1320 cx23885_restart_video_queue(dev, q);
1321 spin_unlock_irqrestore(&dev->slock, flags);
1322 }
1323
1324 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1325 {
1326 u32 mask, count;
1327 int handled = 0;
1328
1329 mask = cx_read(VID_A_INT_MSK);
1330 if (0 == (status & mask))
1331 return handled;
1332 cx_write(VID_A_INT_STAT, status);
1333
1334 dprintk(2, "%s() status = 0x%08x\n", __func__, status);
1335 /* risc op code error */
1336 if (status & (1 << 16)) {
1337 printk(KERN_WARNING "%s/0: video risc op code error\n",
1338 dev->name);
1339 cx_clear(VID_A_DMA_CTL, 0x11);
1340 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
1341 }
1342
1343 /* risc1 y */
1344 if (status & 0x01) {
1345 spin_lock(&dev->slock);
1346 count = cx_read(VID_A_GPCNT);
1347 cx23885_video_wakeup(dev, &dev->vidq, count);
1348 spin_unlock(&dev->slock);
1349 handled++;
1350 }
1351 /* risc2 y */
1352 if (status & 0x10) {
1353 dprintk(2, "stopper video\n");
1354 spin_lock(&dev->slock);
1355 cx23885_restart_video_queue(dev, &dev->vidq);
1356 spin_unlock(&dev->slock);
1357 handled++;
1358 }
1359
1360 return handled;
1361 }
1362
1363 /* ----------------------------------------------------------- */
1364 /* exported stuff */
1365
1366 static const struct v4l2_file_operations video_fops = {
1367 .owner = THIS_MODULE,
1368 .open = video_open,
1369 .release = video_release,
1370 .read = video_read,
1371 .poll = video_poll,
1372 .mmap = video_mmap,
1373 .ioctl = video_ioctl2,
1374 };
1375
1376 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1377 .vidioc_querycap = vidioc_querycap,
1378 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1379 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1380 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1381 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1382 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt,
1383 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
1384 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
1385 .vidioc_reqbufs = vidioc_reqbufs,
1386 .vidioc_querybuf = vidioc_querybuf,
1387 .vidioc_qbuf = vidioc_qbuf,
1388 .vidioc_dqbuf = vidioc_dqbuf,
1389 .vidioc_s_std = vidioc_s_std,
1390 .vidioc_enum_input = vidioc_enum_input,
1391 .vidioc_g_input = vidioc_g_input,
1392 .vidioc_s_input = vidioc_s_input,
1393 .vidioc_log_status = vidioc_log_status,
1394 .vidioc_queryctrl = vidioc_queryctrl,
1395 .vidioc_g_ctrl = vidioc_g_ctrl,
1396 .vidioc_s_ctrl = vidioc_s_ctrl,
1397 .vidioc_streamon = vidioc_streamon,
1398 .vidioc_streamoff = vidioc_streamoff,
1399 .vidioc_g_tuner = vidioc_g_tuner,
1400 .vidioc_s_tuner = vidioc_s_tuner,
1401 .vidioc_g_frequency = vidioc_g_frequency,
1402 .vidioc_s_frequency = vidioc_s_frequency,
1403 .vidioc_g_chip_ident = cx23885_g_chip_ident,
1404 #ifdef CONFIG_VIDEO_ADV_DEBUG
1405 .vidioc_g_register = cx23885_g_register,
1406 .vidioc_s_register = cx23885_s_register,
1407 #endif
1408 };
1409
1410 static struct video_device cx23885_vbi_template;
1411 static struct video_device cx23885_video_template = {
1412 .name = "cx23885-video",
1413 .fops = &video_fops,
1414 .ioctl_ops = &video_ioctl_ops,
1415 .tvnorms = CX23885_NORMS,
1416 .current_norm = V4L2_STD_NTSC_M,
1417 };
1418
1419 static const struct v4l2_file_operations radio_fops = {
1420 .owner = THIS_MODULE,
1421 .open = video_open,
1422 .release = video_release,
1423 .ioctl = video_ioctl2,
1424 };
1425
1426
1427 void cx23885_video_unregister(struct cx23885_dev *dev)
1428 {
1429 dprintk(1, "%s()\n", __func__);
1430 cx23885_irq_remove(dev, 0x01);
1431
1432 if (dev->video_dev) {
1433 if (video_is_registered(dev->video_dev))
1434 video_unregister_device(dev->video_dev);
1435 else
1436 video_device_release(dev->video_dev);
1437 dev->video_dev = NULL;
1438
1439 btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
1440 }
1441 }
1442
1443 int cx23885_video_register(struct cx23885_dev *dev)
1444 {
1445 int err;
1446
1447 dprintk(1, "%s()\n", __func__);
1448 spin_lock_init(&dev->slock);
1449
1450 /* Initialize VBI template */
1451 memcpy(&cx23885_vbi_template, &cx23885_video_template,
1452 sizeof(cx23885_vbi_template));
1453 strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1454
1455 dev->tvnorm = cx23885_video_template.current_norm;
1456
1457 /* init video dma queues */
1458 INIT_LIST_HEAD(&dev->vidq.active);
1459 INIT_LIST_HEAD(&dev->vidq.queued);
1460 dev->vidq.timeout.function = cx23885_vid_timeout;
1461 dev->vidq.timeout.data = (unsigned long)dev;
1462 init_timer(&dev->vidq.timeout);
1463 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
1464 VID_A_DMA_CTL, 0x11, 0x00);
1465
1466 /* Don't enable VBI yet */
1467
1468 cx23885_irq_add_enable(dev, 0x01);
1469
1470 if ((TUNER_ABSENT != dev->tuner_type) &&
1471 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1472 struct v4l2_subdev *sd = NULL;
1473
1474 if (dev->tuner_addr)
1475 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1476 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1477 "tuner", dev->tuner_addr, NULL);
1478 else
1479 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1480 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1481 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1482 if (sd) {
1483 struct tuner_setup tun_setup;
1484
1485 memset(&tun_setup, 0, sizeof(tun_setup));
1486 tun_setup.mode_mask = T_ANALOG_TV;
1487 tun_setup.type = dev->tuner_type;
1488 tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1489 tun_setup.tuner_callback = cx23885_tuner_callback;
1490
1491 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1492
1493 if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) {
1494 struct xc2028_ctrl ctrl = {
1495 .fname = XC2028_DEFAULT_FIRMWARE,
1496 .max_len = 64
1497 };
1498 struct v4l2_priv_tun_config cfg = {
1499 .tuner = dev->tuner_type,
1500 .priv = &ctrl
1501 };
1502 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1503 }
1504 }
1505 }
1506
1507
1508 /* register v4l devices */
1509 dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1510 &cx23885_video_template, "video");
1511 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1512 video_nr[dev->nr]);
1513 if (err < 0) {
1514 printk(KERN_INFO "%s: can't register video device\n",
1515 dev->name);
1516 goto fail_unreg;
1517 }
1518 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1519 dev->name, video_device_node_name(dev->video_dev));
1520 /* initial device configuration */
1521 mutex_lock(&dev->lock);
1522 cx23885_set_tvnorm(dev, dev->tvnorm);
1523 init_controls(dev);
1524 cx23885_video_mux(dev, 0);
1525 mutex_unlock(&dev->lock);
1526
1527 return 0;
1528
1529 fail_unreg:
1530 cx23885_video_unregister(dev);
1531 return err;
1532 }
1533
linux-next