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e47f30b1 ST |
1 | /* |
2 | * Driver for the Conexant CX23885 PCIe bridge | |
3 | * | |
4 | * Copyright (c) 2007 Steven Toth <stoth@hauppauge.com> | |
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 | ||
37 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
38 | /* Include V4L1 specific functions. Should be removed soon */ | |
39 | #include <linux/videodev.h> | |
40 | #endif | |
41 | ||
42 | MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); | |
43 | MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>"); | |
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 = 0; | |
61 | module_param(video_debug, int, 0644); | |
62 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
63 | ||
64 | static unsigned int irq_debug = 0; | |
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 | if (video_debug >= level)\ | |
74 | printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg) | |
75 | ||
76 | /* ------------------------------------------------------------------- */ | |
77 | /* static data */ | |
78 | ||
79 | #define FORMAT_FLAGS_PACKED 0x01 | |
80 | ||
81 | static struct cx23885_fmt formats[] = { | |
82 | { | |
83 | .name = "8 bpp, gray", | |
84 | .fourcc = V4L2_PIX_FMT_GREY, | |
85 | .depth = 8, | |
86 | .flags = FORMAT_FLAGS_PACKED, | |
87 | }, { | |
88 | .name = "15 bpp RGB, le", | |
89 | .fourcc = V4L2_PIX_FMT_RGB555, | |
90 | .depth = 16, | |
91 | .flags = FORMAT_FLAGS_PACKED, | |
92 | }, { | |
93 | .name = "15 bpp RGB, be", | |
94 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
95 | .depth = 16, | |
96 | .flags = FORMAT_FLAGS_PACKED, | |
97 | }, { | |
98 | .name = "16 bpp RGB, le", | |
99 | .fourcc = V4L2_PIX_FMT_RGB565, | |
100 | .depth = 16, | |
101 | .flags = FORMAT_FLAGS_PACKED, | |
102 | }, { | |
103 | .name = "16 bpp RGB, be", | |
104 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
105 | .depth = 16, | |
106 | .flags = FORMAT_FLAGS_PACKED, | |
107 | }, { | |
108 | .name = "24 bpp RGB, le", | |
109 | .fourcc = V4L2_PIX_FMT_BGR24, | |
110 | .depth = 24, | |
111 | .flags = FORMAT_FLAGS_PACKED, | |
112 | }, { | |
113 | .name = "32 bpp RGB, le", | |
114 | .fourcc = V4L2_PIX_FMT_BGR32, | |
115 | .depth = 32, | |
116 | .flags = FORMAT_FLAGS_PACKED, | |
117 | }, { | |
118 | .name = "32 bpp RGB, be", | |
119 | .fourcc = V4L2_PIX_FMT_RGB32, | |
120 | .depth = 32, | |
121 | .flags = FORMAT_FLAGS_PACKED, | |
122 | }, { | |
123 | .name = "4:2:2, packed, YUYV", | |
124 | .fourcc = V4L2_PIX_FMT_YUYV, | |
125 | .depth = 16, | |
126 | .flags = FORMAT_FLAGS_PACKED, | |
127 | }, { | |
128 | .name = "4:2:2, packed, UYVY", | |
129 | .fourcc = V4L2_PIX_FMT_UYVY, | |
130 | .depth = 16, | |
131 | .flags = FORMAT_FLAGS_PACKED, | |
132 | }, | |
133 | }; | |
134 | ||
135 | static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) | |
136 | { | |
137 | unsigned int i; | |
138 | ||
139 | for (i = 0; i < ARRAY_SIZE(formats); i++) | |
140 | if (formats[i].fourcc == fourcc) | |
141 | return formats+i; | |
142 | ||
143 | printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __FUNCTION__, fourcc); | |
144 | return NULL; | |
145 | } | |
146 | ||
147 | /* ------------------------------------------------------------------- */ | |
148 | ||
149 | static const struct v4l2_queryctrl no_ctl = { | |
150 | .name = "42", | |
151 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
152 | }; | |
153 | ||
154 | static struct cx23885_ctrl cx23885_ctls[] = { | |
155 | /* --- video --- */ | |
156 | { | |
157 | .v = { | |
158 | .id = V4L2_CID_BRIGHTNESS, | |
159 | .name = "Brightness", | |
160 | .minimum = 0x00, | |
161 | .maximum = 0xff, | |
162 | .step = 1, | |
163 | .default_value = 0x7f, | |
164 | .type = V4L2_CTRL_TYPE_INTEGER, | |
165 | }, | |
166 | .off = 128, | |
167 | .reg = LUMA_CTRL, | |
168 | .mask = 0x00ff, | |
169 | .shift = 0, | |
170 | }, { | |
171 | .v = { | |
172 | .id = V4L2_CID_CONTRAST, | |
173 | .name = "Contrast", | |
174 | .minimum = 0, | |
175 | .maximum = 0xff, | |
176 | .step = 1, | |
177 | .default_value = 0x3f, | |
178 | .type = V4L2_CTRL_TYPE_INTEGER, | |
179 | }, | |
180 | .off = 0, | |
181 | .reg = LUMA_CTRL, | |
182 | .mask = 0xff00, | |
183 | .shift = 8, | |
184 | }, { | |
185 | .v = { | |
186 | .id = V4L2_CID_HUE, | |
187 | .name = "Hue", | |
188 | .minimum = 0, | |
189 | .maximum = 0xff, | |
190 | .step = 1, | |
191 | .default_value = 0x7f, | |
192 | .type = V4L2_CTRL_TYPE_INTEGER, | |
193 | }, | |
194 | .off = 128, | |
195 | .reg = CHROMA_CTRL, | |
196 | .mask = 0xff0000, | |
197 | .shift = 16, | |
198 | }, { | |
199 | /* strictly, this only describes only U saturation. | |
200 | * V saturation is handled specially through code. | |
201 | */ | |
202 | .v = { | |
203 | .id = V4L2_CID_SATURATION, | |
204 | .name = "Saturation", | |
205 | .minimum = 0, | |
206 | .maximum = 0xff, | |
207 | .step = 1, | |
208 | .default_value = 0x7f, | |
209 | .type = V4L2_CTRL_TYPE_INTEGER, | |
210 | }, | |
211 | .off = 0, | |
212 | .reg = CHROMA_CTRL, | |
213 | .mask = 0x00ff, | |
214 | .shift = 0, | |
215 | }, { | |
216 | /* --- audio --- */ | |
217 | .v = { | |
218 | .id = V4L2_CID_AUDIO_MUTE, | |
219 | .name = "Mute", | |
220 | .minimum = 0, | |
221 | .maximum = 1, | |
222 | .default_value = 1, | |
223 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
224 | }, | |
225 | .reg = PATH1_CTL1, | |
226 | .mask = (0x1f << 24), | |
227 | .shift = 24, | |
228 | }, { | |
229 | .v = { | |
230 | .id = V4L2_CID_AUDIO_VOLUME, | |
231 | .name = "Volume", | |
232 | .minimum = 0, | |
233 | .maximum = 0x3f, | |
234 | .step = 1, | |
235 | .default_value = 0x3f, | |
236 | .type = V4L2_CTRL_TYPE_INTEGER, | |
237 | }, | |
238 | .reg = PATH1_VOL_CTL, | |
239 | .mask = 0xff, | |
240 | .shift = 0, | |
241 | } | |
242 | }; | |
243 | static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); | |
244 | ||
245 | 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 | EXPORT_SYMBOL(cx23885_user_ctrls); | |
256 | ||
257 | static const u32 *ctrl_classes[] = { | |
258 | cx23885_user_ctrls, | |
259 | NULL | |
260 | }; | |
261 | ||
262 | void cx23885_video_wakeup(struct cx23885_dev *dev, | |
263 | struct cx23885_dmaqueue *q, u32 count) | |
264 | { | |
265 | struct cx23885_buffer *buf; | |
266 | int bc; | |
267 | ||
268 | for (bc = 0;; bc++) { | |
269 | if (list_empty(&q->active)) | |
270 | break; | |
271 | buf = list_entry(q->active.next, | |
272 | struct cx23885_buffer, vb.queue); | |
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 | do_gettimeofday(&buf->vb.ts); | |
279 | dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, | |
280 | count, buf->count); | |
281 | buf->vb.state = VIDEOBUF_DONE; | |
282 | list_del(&buf->vb.queue); | |
283 | wake_up(&buf->vb.done); | |
284 | } | |
285 | if (list_empty(&q->active)) { | |
286 | del_timer(&q->timeout); | |
287 | } else { | |
288 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
289 | } | |
290 | if (bc != 1) | |
21a78091 | 291 | printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", |
e47f30b1 ST |
292 | __FUNCTION__, bc); |
293 | } | |
294 | ||
295 | int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) | |
296 | { | |
297 | dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", | |
298 | __FUNCTION__, | |
299 | (unsigned int)norm, | |
300 | v4l2_norm_to_name(norm)); | |
301 | ||
302 | dev->tvnorm = norm; | |
303 | ||
304 | ||
305 | /* Tell the analog tuner/demods */ | |
306 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_STD, &norm); | |
307 | ||
308 | /* Tell the internal A/V decoder */ | |
309 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_STD, &norm); | |
310 | ||
311 | return 0; | |
312 | } | |
313 | ||
314 | struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, | |
315 | struct pci_dev *pci, | |
316 | struct video_device *template, | |
317 | char *type) | |
318 | { | |
319 | struct video_device *vfd; | |
320 | dprintk(1, "%s()\n", __FUNCTION__); | |
321 | ||
322 | vfd = video_device_alloc(); | |
323 | if (NULL == vfd) | |
324 | return NULL; | |
325 | *vfd = *template; | |
326 | vfd->minor = -1; | |
327 | vfd->dev = &pci->dev; | |
328 | vfd->release = video_device_release; | |
329 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", | |
330 | dev->name, type, cx23885_boards[dev->board].name); | |
331 | return vfd; | |
332 | } | |
333 | ||
334 | int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) | |
335 | { | |
336 | int i; | |
337 | ||
338 | if (qctrl->id < V4L2_CID_BASE || | |
339 | qctrl->id >= V4L2_CID_LASTP1) | |
340 | return -EINVAL; | |
341 | for (i = 0; i < CX23885_CTLS; i++) | |
342 | if (cx23885_ctls[i].v.id == qctrl->id) | |
343 | break; | |
344 | if (i == CX23885_CTLS) { | |
345 | *qctrl = no_ctl; | |
346 | return 0; | |
347 | } | |
348 | *qctrl = cx23885_ctls[i].v; | |
349 | return 0; | |
350 | } | |
351 | EXPORT_SYMBOL(cx23885_ctrl_query); | |
352 | ||
353 | /* ------------------------------------------------------------------- */ | |
354 | /* resource management */ | |
355 | ||
356 | static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, | |
357 | unsigned int bit) | |
358 | { | |
359 | dprintk(1, "%s()\n", __FUNCTION__); | |
360 | if (fh->resources & bit) | |
361 | /* have it already allocated */ | |
362 | return 1; | |
363 | ||
364 | /* is it free? */ | |
365 | mutex_lock(&dev->lock); | |
366 | if (dev->resources & bit) { | |
367 | /* no, someone else uses it */ | |
368 | mutex_unlock(&dev->lock); | |
369 | return 0; | |
370 | } | |
371 | /* it's free, grab it */ | |
372 | fh->resources |= bit; | |
373 | dev->resources |= bit; | |
374 | dprintk(1, "res: get %d\n", bit); | |
375 | mutex_unlock(&dev->lock); | |
376 | return 1; | |
377 | } | |
378 | ||
379 | static int res_check(struct cx23885_fh *fh, unsigned int bit) | |
380 | { | |
381 | return (fh->resources & bit); | |
382 | } | |
383 | ||
384 | static int res_locked(struct cx23885_dev *dev, unsigned int bit) | |
385 | { | |
386 | return (dev->resources & bit); | |
387 | } | |
388 | ||
389 | static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, | |
390 | unsigned int bits) | |
391 | { | |
392 | BUG_ON((fh->resources & bits) != bits); | |
393 | dprintk(1, "%s()\n", __FUNCTION__); | |
394 | ||
395 | mutex_lock(&dev->lock); | |
396 | fh->resources &= ~bits; | |
397 | dev->resources &= ~bits; | |
398 | dprintk(1, "res: put %d\n", bits); | |
399 | mutex_unlock(&dev->lock); | |
400 | } | |
401 | ||
402 | int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) | |
403 | { | |
404 | struct v4l2_routing route; | |
405 | memset(&route, 0, sizeof(route)); | |
406 | ||
407 | dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", | |
408 | __FUNCTION__, | |
409 | input, INPUT(input)->vmux, | |
410 | INPUT(input)->gpio0, INPUT(input)->gpio1, | |
411 | INPUT(input)->gpio2, INPUT(input)->gpio3); | |
412 | dev->input = input; | |
413 | ||
414 | route.input = INPUT(input)->vmux; | |
415 | ||
416 | /* Tell the internal A/V decoder */ | |
417 | cx23885_call_i2c_clients(&dev->i2c_bus[2], | |
418 | VIDIOC_INT_S_VIDEO_ROUTING, &route); | |
419 | ||
420 | return 0; | |
421 | } | |
422 | EXPORT_SYMBOL(cx23885_video_mux); | |
423 | ||
424 | /* ------------------------------------------------------------------ */ | |
425 | int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, | |
426 | unsigned int height, enum v4l2_field field) | |
427 | { | |
428 | dprintk(1, "%s()\n", __FUNCTION__); | |
429 | return 0; | |
430 | } | |
431 | ||
432 | static int cx23885_start_video_dma(struct cx23885_dev *dev, | |
433 | struct cx23885_dmaqueue *q, | |
434 | struct cx23885_buffer *buf) | |
435 | { | |
436 | dprintk(1, "%s()\n", __FUNCTION__); | |
437 | ||
438 | /* setup fifo + format */ | |
439 | cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], | |
440 | buf->bpl, buf->risc.dma); | |
441 | cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field); | |
442 | ||
443 | /* reset counter */ | |
444 | cx_write(VID_A_GPCNT_CTL, 3); | |
445 | q->count = 1; | |
446 | ||
447 | /* enable irq */ | |
448 | cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01); | |
449 | cx_set(VID_A_INT_MSK, 0x000011); | |
450 | ||
451 | /* start dma */ | |
452 | cx_set(DEV_CNTRL2, (1<<5)); | |
453 | cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ | |
454 | ||
455 | return 0; | |
456 | } | |
457 | ||
458 | #ifdef CONFIG_PM | |
459 | static int cx23885_stop_video_dma(struct cx23885_dev *dev) | |
460 | { | |
461 | dprintk(1, "%s()\n", __FUNCTION__); | |
462 | /* stop dma */ | |
463 | cx_clear(VID_A_DMA_CTL, 0x11); | |
464 | ||
465 | /* disable irqs */ | |
466 | cx_clear(PCI_INT_MSK, 0x000001); | |
467 | cx_clear(VID_A_INT_MSK, 0x000011); | |
468 | ||
469 | return 0; | |
470 | } | |
471 | #endif | |
472 | ||
473 | static int cx23885_restart_video_queue(struct cx23885_dev *dev, | |
474 | struct cx23885_dmaqueue *q) | |
475 | { | |
476 | struct cx23885_buffer *buf, *prev; | |
477 | struct list_head *item; | |
478 | dprintk(1, "%s()\n", __FUNCTION__); | |
479 | ||
480 | if (!list_empty(&q->active)) { | |
481 | buf = list_entry(q->active.next, struct cx23885_buffer, | |
482 | vb.queue); | |
483 | dprintk(2, "restart_queue [%p/%d]: restart dma\n", | |
484 | buf, buf->vb.i); | |
485 | cx23885_start_video_dma(dev, q, buf); | |
486 | list_for_each(item, &q->active) { | |
487 | buf = list_entry(item, struct cx23885_buffer, | |
488 | vb.queue); | |
489 | buf->count = q->count++; | |
490 | } | |
491 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
492 | return 0; | |
493 | } | |
494 | ||
495 | prev = NULL; | |
496 | for (;;) { | |
497 | if (list_empty(&q->queued)) | |
498 | return 0; | |
499 | buf = list_entry(q->queued.next, struct cx23885_buffer, | |
500 | vb.queue); | |
501 | if (NULL == prev) { | |
502 | list_move_tail(&buf->vb.queue, &q->active); | |
503 | cx23885_start_video_dma(dev, q, buf); | |
504 | buf->vb.state = VIDEOBUF_ACTIVE; | |
505 | buf->count = q->count++; | |
506 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
507 | dprintk(2, "[%p/%d] restart_queue - first active\n", | |
508 | buf, buf->vb.i); | |
509 | ||
510 | } else if (prev->vb.width == buf->vb.width && | |
511 | prev->vb.height == buf->vb.height && | |
512 | prev->fmt == buf->fmt) { | |
513 | list_move_tail(&buf->vb.queue, &q->active); | |
514 | buf->vb.state = VIDEOBUF_ACTIVE; | |
515 | buf->count = q->count++; | |
516 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
517 | prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ | |
518 | dprintk(2, "[%p/%d] restart_queue - move to active\n", | |
519 | buf, buf->vb.i); | |
520 | } else { | |
521 | return 0; | |
522 | } | |
523 | prev = buf; | |
524 | } | |
525 | } | |
526 | ||
527 | static int buffer_setup(struct videobuf_queue *q, unsigned int *count, | |
528 | unsigned int *size) | |
529 | { | |
530 | struct cx23885_fh *fh = q->priv_data; | |
531 | ||
532 | *size = fh->fmt->depth*fh->width*fh->height >> 3; | |
533 | if (0 == *count) | |
534 | *count = 32; | |
535 | while (*size * *count > vid_limit * 1024 * 1024) | |
536 | (*count)--; | |
537 | return 0; | |
538 | } | |
539 | ||
540 | static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, | |
541 | enum v4l2_field field) | |
542 | { | |
543 | struct cx23885_fh *fh = q->priv_data; | |
544 | struct cx23885_dev *dev = fh->dev; | |
545 | struct cx23885_buffer *buf = | |
546 | container_of(vb, struct cx23885_buffer, vb); | |
547 | int rc, init_buffer = 0; | |
548 | u32 line0_offset, line1_offset; | |
549 | struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); | |
550 | ||
551 | BUG_ON(NULL == fh->fmt); | |
552 | if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || | |
553 | fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) | |
554 | return -EINVAL; | |
555 | buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; | |
556 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
557 | return -EINVAL; | |
558 | ||
559 | if (buf->fmt != fh->fmt || | |
560 | buf->vb.width != fh->width || | |
561 | buf->vb.height != fh->height || | |
562 | buf->vb.field != field) { | |
563 | buf->fmt = fh->fmt; | |
564 | buf->vb.width = fh->width; | |
565 | buf->vb.height = fh->height; | |
566 | buf->vb.field = field; | |
567 | init_buffer = 1; | |
568 | } | |
569 | ||
570 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
571 | init_buffer = 1; | |
572 | rc = videobuf_iolock(q, &buf->vb, NULL); | |
573 | if (0 != rc) | |
574 | goto fail; | |
575 | } | |
576 | ||
577 | if (init_buffer) { | |
578 | buf->bpl = buf->vb.width * buf->fmt->depth >> 3; | |
579 | switch (buf->vb.field) { | |
580 | case V4L2_FIELD_TOP: | |
581 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
582 | dma->sglist, 0, UNSET, | |
583 | buf->bpl, 0, buf->vb.height); | |
584 | break; | |
585 | case V4L2_FIELD_BOTTOM: | |
586 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
587 | dma->sglist, UNSET, 0, | |
588 | buf->bpl, 0, buf->vb.height); | |
589 | break; | |
590 | case V4L2_FIELD_INTERLACED: | |
591 | if (dev->tvnorm & V4L2_STD_NTSC) { | |
592 | /* cx25840 transmits NTSC bottom field first */ | |
593 | dprintk(1, "%s() Creating NTSC risc\n", | |
594 | __FUNCTION__); | |
595 | line0_offset = buf->bpl; | |
596 | line1_offset = 0; | |
597 | } else { | |
598 | /* All other formats are top field first */ | |
599 | dprintk(1, "%s() Creating PAL/SECAM risc\n", | |
600 | __FUNCTION__); | |
601 | line0_offset = 0; | |
602 | line1_offset = buf->bpl; | |
603 | } | |
604 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
605 | dma->sglist, line0_offset, | |
606 | line1_offset, | |
607 | buf->bpl, buf->bpl, | |
608 | buf->vb.height >> 1); | |
609 | break; | |
610 | case V4L2_FIELD_SEQ_TB: | |
611 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
612 | dma->sglist, | |
613 | 0, buf->bpl * (buf->vb.height >> 1), | |
614 | buf->bpl, 0, | |
615 | buf->vb.height >> 1); | |
616 | break; | |
617 | case V4L2_FIELD_SEQ_BT: | |
618 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
619 | dma->sglist, | |
620 | buf->bpl * (buf->vb.height >> 1), 0, | |
621 | buf->bpl, 0, | |
622 | buf->vb.height >> 1); | |
623 | break; | |
624 | default: | |
625 | BUG(); | |
626 | } | |
627 | } | |
628 | dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", | |
629 | buf, buf->vb.i, | |
630 | fh->width, fh->height, fh->fmt->depth, fh->fmt->name, | |
631 | (unsigned long)buf->risc.dma); | |
632 | ||
633 | buf->vb.state = VIDEOBUF_PREPARED; | |
634 | return 0; | |
635 | ||
636 | fail: | |
637 | cx23885_free_buffer(q, buf); | |
638 | return rc; | |
639 | } | |
640 | ||
641 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
642 | { | |
643 | struct cx23885_buffer *buf = container_of(vb, | |
644 | struct cx23885_buffer, vb); | |
645 | struct cx23885_buffer *prev; | |
646 | struct cx23885_fh *fh = vq->priv_data; | |
647 | struct cx23885_dev *dev = fh->dev; | |
648 | struct cx23885_dmaqueue *q = &dev->vidq; | |
649 | ||
650 | /* add jump to stopper */ | |
651 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
652 | buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); | |
653 | buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ | |
654 | ||
655 | if (!list_empty(&q->queued)) { | |
656 | list_add_tail(&buf->vb.queue, &q->queued); | |
657 | buf->vb.state = VIDEOBUF_QUEUED; | |
658 | dprintk(2, "[%p/%d] buffer_queue - append to queued\n", | |
659 | buf, buf->vb.i); | |
660 | ||
661 | } else if (list_empty(&q->active)) { | |
662 | list_add_tail(&buf->vb.queue, &q->active); | |
663 | cx23885_start_video_dma(dev, q, buf); | |
664 | buf->vb.state = VIDEOBUF_ACTIVE; | |
665 | buf->count = q->count++; | |
666 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
667 | dprintk(2, "[%p/%d] buffer_queue - first active\n", | |
668 | buf, buf->vb.i); | |
669 | ||
670 | } else { | |
671 | prev = list_entry(q->active.prev, struct cx23885_buffer, | |
672 | vb.queue); | |
673 | if (prev->vb.width == buf->vb.width && | |
674 | prev->vb.height == buf->vb.height && | |
675 | prev->fmt == buf->fmt) { | |
676 | list_add_tail(&buf->vb.queue, &q->active); | |
677 | buf->vb.state = VIDEOBUF_ACTIVE; | |
678 | buf->count = q->count++; | |
679 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
680 | /* 64 bit bits 63-32 */ | |
681 | prev->risc.jmp[2] = cpu_to_le32(0); | |
682 | dprintk(2, "[%p/%d] buffer_queue - append to active\n", | |
683 | buf, buf->vb.i); | |
684 | ||
685 | } else { | |
686 | list_add_tail(&buf->vb.queue, &q->queued); | |
687 | buf->vb.state = VIDEOBUF_QUEUED; | |
688 | dprintk(2, "[%p/%d] buffer_queue - first queued\n", | |
689 | buf, buf->vb.i); | |
690 | } | |
691 | } | |
692 | } | |
693 | ||
694 | static void buffer_release(struct videobuf_queue *q, | |
695 | struct videobuf_buffer *vb) | |
696 | { | |
697 | struct cx23885_buffer *buf = container_of(vb, | |
698 | struct cx23885_buffer, vb); | |
699 | ||
700 | cx23885_free_buffer(q, buf); | |
701 | } | |
702 | ||
703 | static struct videobuf_queue_ops cx23885_video_qops = { | |
704 | .buf_setup = buffer_setup, | |
705 | .buf_prepare = buffer_prepare, | |
706 | .buf_queue = buffer_queue, | |
707 | .buf_release = buffer_release, | |
708 | }; | |
709 | ||
710 | static struct videobuf_queue *get_queue(struct cx23885_fh *fh) | |
711 | { | |
712 | switch (fh->type) { | |
713 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
714 | return &fh->vidq; | |
715 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
716 | return &fh->vbiq; | |
717 | default: | |
718 | BUG(); | |
719 | return NULL; | |
720 | } | |
721 | } | |
722 | ||
723 | static int get_resource(struct cx23885_fh *fh) | |
724 | { | |
725 | switch (fh->type) { | |
726 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
727 | return RESOURCE_VIDEO; | |
728 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
729 | return RESOURCE_VBI; | |
730 | default: | |
731 | BUG(); | |
732 | return 0; | |
733 | } | |
734 | } | |
735 | ||
736 | static int video_open(struct inode *inode, struct file *file) | |
737 | { | |
738 | int minor = iminor(inode); | |
739 | struct cx23885_dev *h, *dev = NULL; | |
740 | struct cx23885_fh *fh; | |
741 | struct list_head *list; | |
742 | enum v4l2_buf_type type = 0; | |
743 | int radio = 0; | |
744 | ||
745 | list_for_each(list, &cx23885_devlist) { | |
746 | h = list_entry(list, struct cx23885_dev, devlist); | |
747 | if (h->video_dev->minor == minor) { | |
748 | dev = h; | |
749 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
750 | } | |
751 | if (h->vbi_dev && | |
752 | h->vbi_dev->minor == minor) { | |
753 | dev = h; | |
754 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
755 | } | |
756 | if (h->radio_dev && | |
757 | h->radio_dev->minor == minor) { | |
758 | radio = 1; | |
759 | dev = h; | |
760 | } | |
761 | } | |
762 | if (NULL == dev) | |
763 | return -ENODEV; | |
764 | ||
765 | dprintk(1, "open minor=%d radio=%d type=%s\n", | |
766 | minor, radio, v4l2_type_names[type]); | |
767 | ||
768 | /* allocate + initialize per filehandle data */ | |
769 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); | |
770 | if (NULL == fh) | |
771 | return -ENOMEM; | |
772 | file->private_data = fh; | |
773 | fh->dev = dev; | |
774 | fh->radio = radio; | |
775 | fh->type = type; | |
776 | fh->width = 320; | |
777 | fh->height = 240; | |
778 | fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); | |
779 | ||
780 | videobuf_queue_pci_init(&fh->vidq, &cx23885_video_qops, | |
781 | dev->pci, &dev->slock, | |
782 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
783 | V4L2_FIELD_INTERLACED, | |
784 | sizeof(struct cx23885_buffer), | |
785 | fh); | |
786 | ||
787 | dprintk(1, "post videobuf_queue_init()\n"); | |
788 | ||
789 | ||
790 | return 0; | |
791 | } | |
792 | ||
793 | static ssize_t video_read(struct file *file, char __user *data, | |
794 | size_t count, loff_t *ppos) | |
795 | { | |
796 | struct cx23885_fh *fh = file->private_data; | |
797 | ||
798 | switch (fh->type) { | |
799 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
800 | if (res_locked(fh->dev, RESOURCE_VIDEO)) | |
801 | return -EBUSY; | |
802 | return videobuf_read_one(&fh->vidq, data, count, ppos, | |
803 | file->f_flags & O_NONBLOCK); | |
804 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
805 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
806 | return -EBUSY; | |
807 | return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, | |
808 | file->f_flags & O_NONBLOCK); | |
809 | default: | |
810 | BUG(); | |
811 | return 0; | |
812 | } | |
813 | } | |
814 | ||
815 | static unsigned int video_poll(struct file *file, | |
816 | struct poll_table_struct *wait) | |
817 | { | |
818 | struct cx23885_fh *fh = file->private_data; | |
819 | struct cx23885_buffer *buf; | |
820 | ||
821 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { | |
822 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
823 | return POLLERR; | |
824 | return videobuf_poll_stream(file, &fh->vbiq, wait); | |
825 | } | |
826 | ||
827 | if (res_check(fh, RESOURCE_VIDEO)) { | |
828 | /* streaming capture */ | |
829 | if (list_empty(&fh->vidq.stream)) | |
830 | return POLLERR; | |
831 | buf = list_entry(fh->vidq.stream.next, | |
832 | struct cx23885_buffer, vb.stream); | |
833 | } else { | |
834 | /* read() capture */ | |
835 | buf = (struct cx23885_buffer *)fh->vidq.read_buf; | |
836 | if (NULL == buf) | |
837 | return POLLERR; | |
838 | } | |
839 | poll_wait(file, &buf->vb.done, wait); | |
840 | if (buf->vb.state == VIDEOBUF_DONE || | |
841 | buf->vb.state == VIDEOBUF_ERROR) | |
842 | return POLLIN|POLLRDNORM; | |
843 | return 0; | |
844 | } | |
845 | ||
846 | static int video_release(struct inode *inode, struct file *file) | |
847 | { | |
848 | struct cx23885_fh *fh = file->private_data; | |
849 | struct cx23885_dev *dev = fh->dev; | |
850 | ||
851 | /* turn off overlay */ | |
852 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
853 | /* FIXME */ | |
854 | res_free(dev, fh, RESOURCE_OVERLAY); | |
855 | } | |
856 | ||
857 | /* stop video capture */ | |
858 | if (res_check(fh, RESOURCE_VIDEO)) { | |
859 | videobuf_queue_cancel(&fh->vidq); | |
860 | res_free(dev, fh, RESOURCE_VIDEO); | |
861 | } | |
862 | if (fh->vidq.read_buf) { | |
863 | buffer_release(&fh->vidq, fh->vidq.read_buf); | |
864 | kfree(fh->vidq.read_buf); | |
865 | } | |
866 | ||
867 | /* stop vbi capture */ | |
868 | if (res_check(fh, RESOURCE_VBI)) { | |
869 | if (fh->vbiq.streaming) | |
870 | videobuf_streamoff(&fh->vbiq); | |
871 | if (fh->vbiq.reading) | |
872 | videobuf_read_stop(&fh->vbiq); | |
873 | res_free(dev, fh, RESOURCE_VBI); | |
874 | } | |
875 | ||
876 | videobuf_mmap_free(&fh->vidq); | |
877 | file->private_data = NULL; | |
878 | kfree(fh); | |
879 | ||
880 | ||
881 | return 0; | |
882 | } | |
883 | ||
884 | static int video_mmap(struct file *file, struct vm_area_struct *vma) | |
885 | { | |
886 | struct cx23885_fh *fh = file->private_data; | |
887 | ||
888 | return videobuf_mmap_mapper(get_queue(fh), vma); | |
889 | } | |
890 | ||
891 | /* ------------------------------------------------------------------ */ | |
892 | /* VIDEO CTRL IOCTLS */ | |
893 | ||
894 | int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl) | |
895 | { | |
896 | dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __FUNCTION__); | |
897 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl); | |
898 | return 0; | |
899 | } | |
900 | EXPORT_SYMBOL(cx23885_get_control); | |
901 | ||
902 | int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl) | |
903 | { | |
904 | dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)" | |
905 | " (disabled - no action)\n", __FUNCTION__); | |
906 | return 0; | |
907 | } | |
908 | EXPORT_SYMBOL(cx23885_set_control); | |
909 | ||
910 | static void init_controls(struct cx23885_dev *dev) | |
911 | { | |
912 | struct v4l2_control ctrl; | |
913 | int i; | |
914 | ||
915 | for (i = 0; i < CX23885_CTLS; i++) { | |
916 | ctrl.id = cx23885_ctls[i].v.id; | |
917 | ctrl.value = cx23885_ctls[i].v.default_value; | |
918 | ||
919 | cx23885_set_control(dev, &ctrl); | |
920 | } | |
921 | } | |
922 | ||
923 | /* ------------------------------------------------------------------ */ | |
924 | /* VIDEO IOCTLS */ | |
925 | ||
926 | static int vidioc_g_fmt_cap(struct file *file, void *priv, | |
927 | struct v4l2_format *f) | |
928 | { | |
929 | struct cx23885_fh *fh = priv; | |
930 | ||
931 | f->fmt.pix.width = fh->width; | |
932 | f->fmt.pix.height = fh->height; | |
933 | f->fmt.pix.field = fh->vidq.field; | |
934 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
935 | f->fmt.pix.bytesperline = | |
936 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
937 | f->fmt.pix.sizeimage = | |
938 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
939 | ||
940 | return 0; | |
941 | } | |
942 | ||
943 | static int vidioc_try_fmt_cap(struct file *file, void *priv, | |
944 | struct v4l2_format *f) | |
945 | { | |
946 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
947 | struct cx23885_fmt *fmt; | |
948 | enum v4l2_field field; | |
949 | unsigned int maxw, maxh; | |
950 | ||
951 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
952 | if (NULL == fmt) | |
953 | return -EINVAL; | |
954 | ||
955 | field = f->fmt.pix.field; | |
956 | maxw = norm_maxw(dev->tvnorm); | |
957 | maxh = norm_maxh(dev->tvnorm); | |
958 | ||
959 | if (V4L2_FIELD_ANY == field) { | |
960 | field = (f->fmt.pix.height > maxh/2) | |
961 | ? V4L2_FIELD_INTERLACED | |
962 | : V4L2_FIELD_BOTTOM; | |
963 | } | |
964 | ||
965 | switch (field) { | |
966 | case V4L2_FIELD_TOP: | |
967 | case V4L2_FIELD_BOTTOM: | |
968 | maxh = maxh / 2; | |
969 | break; | |
970 | case V4L2_FIELD_INTERLACED: | |
971 | break; | |
972 | default: | |
973 | return -EINVAL; | |
974 | } | |
975 | ||
976 | f->fmt.pix.field = field; | |
977 | if (f->fmt.pix.height < 32) | |
978 | f->fmt.pix.height = 32; | |
979 | if (f->fmt.pix.height > maxh) | |
980 | f->fmt.pix.height = maxh; | |
981 | if (f->fmt.pix.width < 48) | |
982 | f->fmt.pix.width = 48; | |
983 | if (f->fmt.pix.width > maxw) | |
984 | f->fmt.pix.width = maxw; | |
985 | f->fmt.pix.width &= ~0x03; | |
986 | f->fmt.pix.bytesperline = | |
987 | (f->fmt.pix.width * fmt->depth) >> 3; | |
988 | f->fmt.pix.sizeimage = | |
989 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
994 | static int vidioc_s_fmt_cap(struct file *file, void *priv, | |
995 | struct v4l2_format *f) | |
996 | { | |
997 | struct cx23885_fh *fh = priv; | |
998 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
999 | int err; | |
1000 | ||
1001 | dprintk(2, "%s()\n", __FUNCTION__); | |
1002 | err = vidioc_try_fmt_cap(file, priv, f); | |
1003 | ||
1004 | if (0 != err) | |
1005 | return err; | |
1006 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1007 | fh->width = f->fmt.pix.width; | |
1008 | fh->height = f->fmt.pix.height; | |
1009 | fh->vidq.field = f->fmt.pix.field; | |
1010 | dprintk(2, "%s() width=%d height=%d field=%d\n", __FUNCTION__, | |
1011 | fh->width, fh->height, fh->vidq.field); | |
1012 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_FMT, f); | |
1013 | return 0; | |
1014 | } | |
1015 | ||
1016 | static int vidioc_querycap(struct file *file, void *priv, | |
1017 | struct v4l2_capability *cap) | |
1018 | { | |
1019 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1020 | ||
1021 | strcpy(cap->driver, "cx23885"); | |
1022 | strlcpy(cap->card, cx23885_boards[dev->board].name, | |
1023 | sizeof(cap->card)); | |
1024 | sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); | |
1025 | cap->version = CX23885_VERSION_CODE; | |
1026 | cap->capabilities = | |
1027 | V4L2_CAP_VIDEO_CAPTURE | | |
1028 | V4L2_CAP_READWRITE | | |
1029 | V4L2_CAP_STREAMING | | |
1030 | V4L2_CAP_VBI_CAPTURE; | |
1031 | if (UNSET != dev->tuner_type) | |
1032 | cap->capabilities |= V4L2_CAP_TUNER; | |
1033 | return 0; | |
1034 | } | |
1035 | ||
1036 | static int vidioc_enum_fmt_cap(struct file *file, void *priv, | |
1037 | struct v4l2_fmtdesc *f) | |
1038 | { | |
1039 | if (unlikely(f->index >= ARRAY_SIZE(formats))) | |
1040 | return -EINVAL; | |
1041 | ||
1042 | strlcpy(f->description, formats[f->index].name, | |
1043 | sizeof(f->description)); | |
1044 | f->pixelformat = formats[f->index].fourcc; | |
1045 | ||
1046 | return 0; | |
1047 | } | |
1048 | ||
1049 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1050 | static int vidiocgmbuf(struct file *file, void *priv, | |
1051 | struct video_mbuf *mbuf) | |
1052 | { | |
1053 | struct cx23885_fh *fh = priv; | |
1054 | struct videobuf_queue *q; | |
1055 | struct v4l2_requestbuffers req; | |
1056 | unsigned int i; | |
1057 | int err; | |
1058 | ||
1059 | q = get_queue(fh); | |
1060 | memset(&req, 0, sizeof(req)); | |
1061 | req.type = q->type; | |
1062 | req.count = 8; | |
1063 | req.memory = V4L2_MEMORY_MMAP; | |
1064 | err = videobuf_reqbufs(q, &req); | |
1065 | if (err < 0) | |
1066 | return err; | |
1067 | ||
1068 | mbuf->frames = req.count; | |
1069 | mbuf->size = 0; | |
1070 | for (i = 0; i < mbuf->frames; i++) { | |
1071 | mbuf->offsets[i] = q->bufs[i]->boff; | |
1072 | mbuf->size += q->bufs[i]->bsize; | |
1073 | } | |
1074 | return 0; | |
1075 | } | |
1076 | #endif | |
1077 | ||
1078 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1079 | struct v4l2_requestbuffers *p) | |
1080 | { | |
1081 | struct cx23885_fh *fh = priv; | |
1082 | return (videobuf_reqbufs(get_queue(fh), p)); | |
1083 | } | |
1084 | ||
1085 | static int vidioc_querybuf(struct file *file, void *priv, | |
1086 | struct v4l2_buffer *p) | |
1087 | { | |
1088 | struct cx23885_fh *fh = priv; | |
1089 | return (videobuf_querybuf(get_queue(fh), p)); | |
1090 | } | |
1091 | ||
1092 | static int vidioc_qbuf(struct file *file, void *priv, | |
1093 | struct v4l2_buffer *p) | |
1094 | { | |
1095 | struct cx23885_fh *fh = priv; | |
1096 | return (videobuf_qbuf(get_queue(fh), p)); | |
1097 | } | |
1098 | ||
1099 | static int vidioc_dqbuf(struct file *file, void *priv, | |
1100 | struct v4l2_buffer *p) | |
1101 | { | |
1102 | struct cx23885_fh *fh = priv; | |
1103 | return (videobuf_dqbuf(get_queue(fh), p, | |
1104 | file->f_flags & O_NONBLOCK)); | |
1105 | } | |
1106 | ||
1107 | static int vidioc_streamon(struct file *file, void *priv, | |
1108 | enum v4l2_buf_type i) | |
1109 | { | |
1110 | struct cx23885_fh *fh = priv; | |
1111 | struct cx23885_dev *dev = fh->dev; | |
1112 | dprintk(1, "%s()\n", __FUNCTION__); | |
1113 | ||
1114 | if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) | |
1115 | return -EINVAL; | |
1116 | if (unlikely(i != fh->type)) | |
1117 | return -EINVAL; | |
1118 | ||
1119 | if (unlikely(!res_get(dev, fh, get_resource(fh)))) | |
1120 | return -EBUSY; | |
1121 | return videobuf_streamon(get_queue(fh)); | |
1122 | } | |
1123 | ||
1124 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1125 | { | |
1126 | struct cx23885_fh *fh = priv; | |
1127 | struct cx23885_dev *dev = fh->dev; | |
1128 | int err, res; | |
1129 | dprintk(1, "%s()\n", __FUNCTION__); | |
1130 | ||
1131 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1132 | return -EINVAL; | |
1133 | if (i != fh->type) | |
1134 | return -EINVAL; | |
1135 | ||
1136 | res = get_resource(fh); | |
1137 | err = videobuf_streamoff(get_queue(fh)); | |
1138 | if (err < 0) | |
1139 | return err; | |
1140 | res_free(dev, fh, res); | |
1141 | return 0; | |
1142 | } | |
1143 | ||
1144 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) | |
1145 | { | |
1146 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1147 | dprintk(1, "%s()\n", __FUNCTION__); | |
1148 | ||
1149 | mutex_lock(&dev->lock); | |
1150 | cx23885_set_tvnorm(dev, *tvnorms); | |
1151 | mutex_unlock(&dev->lock); | |
1152 | ||
1153 | return 0; | |
1154 | } | |
1155 | ||
1156 | int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) | |
1157 | { | |
1158 | static const char *iname[] = { | |
1159 | [CX23885_VMUX_COMPOSITE1] = "Composite1", | |
1160 | [CX23885_VMUX_COMPOSITE2] = "Composite2", | |
1161 | [CX23885_VMUX_COMPOSITE3] = "Composite3", | |
1162 | [CX23885_VMUX_COMPOSITE4] = "Composite4", | |
1163 | [CX23885_VMUX_SVIDEO] = "S-Video", | |
1164 | [CX23885_VMUX_TELEVISION] = "Television", | |
1165 | [CX23885_VMUX_CABLE] = "Cable TV", | |
1166 | [CX23885_VMUX_DVB] = "DVB", | |
1167 | [CX23885_VMUX_DEBUG] = "for debug only", | |
1168 | }; | |
1169 | unsigned int n; | |
1170 | dprintk(1, "%s()\n", __FUNCTION__); | |
1171 | ||
1172 | n = i->index; | |
1173 | if (n >= 4) | |
1174 | return -EINVAL; | |
1175 | ||
1176 | if (0 == INPUT(n)->type) | |
1177 | return -EINVAL; | |
1178 | ||
1179 | memset(i, 0, sizeof(*i)); | |
1180 | i->index = n; | |
1181 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1182 | strcpy(i->name, iname[INPUT(n)->type]); | |
1183 | if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || | |
1184 | (CX23885_VMUX_CABLE == INPUT(n)->type)) | |
1185 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1186 | i->std = CX23885_NORMS; | |
1187 | return 0; | |
1188 | } | |
1189 | EXPORT_SYMBOL(cx23885_enum_input); | |
1190 | ||
1191 | static int vidioc_enum_input(struct file *file, void *priv, | |
1192 | struct v4l2_input *i) | |
1193 | { | |
1194 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1195 | dprintk(1, "%s()\n", __FUNCTION__); | |
1196 | return cx23885_enum_input(dev, i); | |
1197 | } | |
1198 | ||
1199 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1200 | { | |
1201 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1202 | ||
1203 | *i = dev->input; | |
1204 | dprintk(1, "%s() returns %d\n", __FUNCTION__, *i); | |
1205 | return 0; | |
1206 | } | |
1207 | ||
1208 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1209 | { | |
1210 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1211 | ||
1212 | dprintk(1, "%s(%d)\n", __FUNCTION__, i); | |
1213 | ||
1214 | if (i >= 4) { | |
1215 | dprintk(1, "%s() -EINVAL\n", __FUNCTION__); | |
1216 | return -EINVAL; | |
1217 | } | |
1218 | ||
1219 | mutex_lock(&dev->lock); | |
1220 | cx23885_video_mux(dev, i); | |
1221 | mutex_unlock(&dev->lock); | |
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1226 | struct v4l2_queryctrl *qctrl) | |
1227 | { | |
1228 | qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); | |
1229 | if (unlikely(qctrl->id == 0)) | |
1230 | return -EINVAL; | |
1231 | return cx23885_ctrl_query(qctrl); | |
1232 | } | |
1233 | ||
1234 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1235 | struct v4l2_control *ctl) | |
1236 | { | |
1237 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1238 | ||
1239 | return cx23885_get_control(dev, ctl); | |
1240 | } | |
1241 | ||
1242 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1243 | struct v4l2_control *ctl) | |
1244 | { | |
1245 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1246 | ||
1247 | return cx23885_set_control(dev, ctl); | |
1248 | } | |
1249 | ||
1250 | static int vidioc_g_tuner(struct file *file, void *priv, | |
1251 | struct v4l2_tuner *t) | |
1252 | { | |
1253 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1254 | ||
1255 | if (unlikely(UNSET == dev->tuner_type)) | |
1256 | return -EINVAL; | |
1257 | if (0 != t->index) | |
1258 | return -EINVAL; | |
1259 | ||
1260 | strcpy(t->name, "Television"); | |
1261 | t->type = V4L2_TUNER_ANALOG_TV; | |
1262 | t->capability = V4L2_TUNER_CAP_NORM; | |
1263 | t->rangehigh = 0xffffffffUL; | |
1264 | t->signal = 0xffff ; /* LOCKED */ | |
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1269 | struct v4l2_tuner *t) | |
1270 | { | |
1271 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1272 | ||
1273 | if (UNSET == dev->tuner_type) | |
1274 | return -EINVAL; | |
1275 | if (0 != t->index) | |
1276 | return -EINVAL; | |
1277 | return 0; | |
1278 | } | |
1279 | ||
1280 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1281 | struct v4l2_frequency *f) | |
1282 | { | |
1283 | struct cx23885_fh *fh = priv; | |
1284 | struct cx23885_dev *dev = fh->dev; | |
1285 | ||
1286 | if (unlikely(UNSET == dev->tuner_type)) | |
1287 | return -EINVAL; | |
1288 | ||
1289 | /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ | |
1290 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; | |
1291 | f->frequency = dev->freq; | |
1292 | ||
1293 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f); | |
1294 | ||
1295 | return 0; | |
1296 | } | |
1297 | ||
1298 | int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) | |
1299 | { | |
1300 | if (unlikely(UNSET == dev->tuner_type)) | |
1301 | return -EINVAL; | |
1302 | if (unlikely(f->tuner != 0)) | |
1303 | return -EINVAL; | |
1304 | ||
1305 | mutex_lock(&dev->lock); | |
1306 | dev->freq = f->frequency; | |
1307 | ||
1308 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, f); | |
1309 | ||
1310 | /* When changing channels it is required to reset TVAUDIO */ | |
1311 | msleep(10); | |
1312 | ||
1313 | mutex_unlock(&dev->lock); | |
1314 | ||
1315 | return 0; | |
1316 | } | |
1317 | EXPORT_SYMBOL(cx23885_set_freq); | |
1318 | ||
1319 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1320 | struct v4l2_frequency *f) | |
1321 | { | |
1322 | struct cx23885_fh *fh = priv; | |
1323 | struct cx23885_dev *dev = fh->dev; | |
1324 | ||
1325 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) | |
1326 | return -EINVAL; | |
1327 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
1328 | return -EINVAL; | |
1329 | ||
1330 | return | |
1331 | cx23885_set_freq(dev, f); | |
1332 | } | |
1333 | ||
1334 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1335 | static int vidioc_g_register(struct file *file, void *fh, | |
1336 | struct v4l2_register *reg) | |
1337 | { | |
1338 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1339 | ||
1340 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_G_REGISTER, reg); | |
1341 | ||
1342 | return 0; | |
1343 | } | |
1344 | ||
1345 | static int vidioc_s_register(struct file *file, void *fh, | |
1346 | struct v4l2_register *reg) | |
1347 | { | |
1348 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1349 | ||
1350 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_S_REGISTER, reg); | |
1351 | return 0; | |
1352 | } | |
1353 | #endif | |
1354 | ||
1355 | /* ----------------------------------------------------------- */ | |
1356 | /* RADIO ESPECIFIC IOCTLS */ | |
1357 | /* ----------------------------------------------------------- */ | |
1358 | ||
1359 | static int radio_querycap(struct file *file, void *priv, | |
1360 | struct v4l2_capability *cap) | |
1361 | { | |
1362 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1363 | ||
1364 | strcpy(cap->driver, "cx23885"); | |
1365 | strlcpy(cap->card, cx23885_boards[dev->board].name, | |
1366 | sizeof(cap->card)); | |
1367 | sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); | |
1368 | cap->version = CX23885_VERSION_CODE; | |
1369 | cap->capabilities = V4L2_CAP_TUNER; | |
1370 | return 0; | |
1371 | } | |
1372 | ||
1373 | static int radio_g_tuner(struct file *file, void *priv, | |
1374 | struct v4l2_tuner *t) | |
1375 | { | |
1376 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1377 | ||
1378 | if (unlikely(t->index > 0)) | |
1379 | return -EINVAL; | |
1380 | ||
1381 | strcpy(t->name, "Radio"); | |
1382 | t->type = V4L2_TUNER_RADIO; | |
1383 | ||
1384 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_TUNER, t); | |
1385 | return 0; | |
1386 | } | |
1387 | ||
1388 | static int radio_enum_input(struct file *file, void *priv, | |
1389 | struct v4l2_input *i) | |
1390 | { | |
1391 | if (i->index != 0) | |
1392 | return -EINVAL; | |
1393 | strcpy(i->name, "Radio"); | |
1394 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1395 | ||
1396 | return 0; | |
1397 | } | |
1398 | ||
1399 | static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1400 | { | |
1401 | if (unlikely(a->index)) | |
1402 | return -EINVAL; | |
1403 | ||
1404 | memset(a, 0, sizeof(*a)); | |
1405 | strcpy(a->name, "Radio"); | |
1406 | return 0; | |
1407 | } | |
1408 | ||
1409 | /* FIXME: Should add a standard for radio */ | |
1410 | ||
1411 | static int radio_s_tuner(struct file *file, void *priv, | |
1412 | struct v4l2_tuner *t) | |
1413 | { | |
1414 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1415 | ||
1416 | if (0 != t->index) | |
1417 | return -EINVAL; | |
1418 | ||
1419 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_TUNER, t); | |
1420 | ||
1421 | return 0; | |
1422 | } | |
1423 | ||
1424 | static int radio_s_audio(struct file *file, void *fh, | |
1425 | struct v4l2_audio *a) | |
1426 | { | |
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | static int radio_s_input(struct file *file, void *fh, unsigned int i) | |
1431 | { | |
1432 | return 0; | |
1433 | } | |
1434 | ||
1435 | static int radio_queryctrl(struct file *file, void *priv, | |
1436 | struct v4l2_queryctrl *c) | |
1437 | { | |
1438 | int i; | |
1439 | ||
1440 | if (c->id < V4L2_CID_BASE || | |
1441 | c->id >= V4L2_CID_LASTP1) | |
1442 | return -EINVAL; | |
1443 | if (c->id == V4L2_CID_AUDIO_MUTE) { | |
1444 | for (i = 0; i < CX23885_CTLS; i++) | |
1445 | if (cx23885_ctls[i].v.id == c->id) | |
1446 | break; | |
1447 | *c = cx23885_ctls[i].v; | |
1448 | } else | |
1449 | *c = no_ctl; | |
1450 | return 0; | |
1451 | } | |
1452 | ||
1453 | /* ----------------------------------------------------------- */ | |
1454 | ||
1455 | static void cx23885_vid_timeout(unsigned long data) | |
1456 | { | |
1457 | struct cx23885_dev *dev = (struct cx23885_dev *)data; | |
1458 | struct cx23885_dmaqueue *q = &dev->vidq; | |
1459 | struct cx23885_buffer *buf; | |
1460 | unsigned long flags; | |
1461 | ||
1462 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1463 | ||
1464 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1465 | ||
1466 | spin_lock_irqsave(&dev->slock, flags); | |
1467 | while (!list_empty(&q->active)) { | |
1468 | buf = list_entry(q->active.next, | |
1469 | struct cx23885_buffer, vb.queue); | |
1470 | list_del(&buf->vb.queue); | |
1471 | buf->vb.state = VIDEOBUF_ERROR; | |
1472 | wake_up(&buf->vb.done); | |
1473 | printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n", | |
1474 | dev->name, buf, buf->vb.i, | |
1475 | (unsigned long)buf->risc.dma); | |
1476 | } | |
1477 | cx23885_restart_video_queue(dev, q); | |
1478 | spin_unlock_irqrestore(&dev->slock, flags); | |
1479 | } | |
1480 | ||
1481 | int cx23885_video_irq(struct cx23885_dev *dev, u32 status) | |
1482 | { | |
1483 | u32 mask, count; | |
1484 | int handled = 0; | |
1485 | ||
1486 | mask = cx_read(VID_A_INT_MSK); | |
1487 | if (0 == (status & mask)) | |
1488 | return handled; | |
1489 | cx_write(VID_A_INT_STAT, status); | |
1490 | ||
1491 | dprintk(2, "%s() status = 0x%08x\n", __FUNCTION__, status); | |
1492 | /* risc op code error */ | |
1493 | if (status & (1 << 16)) { | |
1494 | printk(KERN_WARNING "%s/0: video risc op code error\n", | |
1495 | dev->name); | |
1496 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1497 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1498 | } | |
1499 | ||
1500 | /* risc1 y */ | |
1501 | if (status & 0x01) { | |
1502 | spin_lock(&dev->slock); | |
1503 | count = cx_read(VID_A_GPCNT); | |
1504 | cx23885_video_wakeup(dev, &dev->vidq, count); | |
1505 | spin_unlock(&dev->slock); | |
1506 | handled++; | |
1507 | } | |
1508 | /* risc2 y */ | |
1509 | if (status & 0x10) { | |
1510 | dprintk(2, "stopper video\n"); | |
1511 | spin_lock(&dev->slock); | |
1512 | cx23885_restart_video_queue(dev, &dev->vidq); | |
1513 | spin_unlock(&dev->slock); | |
1514 | handled++; | |
1515 | } | |
1516 | ||
1517 | return handled; | |
1518 | } | |
1519 | ||
1520 | ||
1521 | /* ----------------------------------------------------------- */ | |
1522 | /* exported stuff */ | |
1523 | ||
1524 | static const struct file_operations video_fops = { | |
1525 | .owner = THIS_MODULE, | |
1526 | .open = video_open, | |
1527 | .release = video_release, | |
1528 | .read = video_read, | |
1529 | .poll = video_poll, | |
1530 | .mmap = video_mmap, | |
1531 | .ioctl = video_ioctl2, | |
1532 | .compat_ioctl = v4l_compat_ioctl32, | |
1533 | .llseek = no_llseek, | |
1534 | }; | |
1535 | ||
1536 | static struct video_device cx23885_vbi_template; | |
1537 | static struct video_device cx23885_video_template = { | |
1538 | .name = "cx23885-video", | |
1539 | .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES, | |
1540 | .fops = &video_fops, | |
1541 | .minor = -1, | |
1542 | .vidioc_querycap = vidioc_querycap, | |
1543 | .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap, | |
1544 | .vidioc_g_fmt_cap = vidioc_g_fmt_cap, | |
1545 | .vidioc_try_fmt_cap = vidioc_try_fmt_cap, | |
1546 | .vidioc_s_fmt_cap = vidioc_s_fmt_cap, | |
1547 | .vidioc_g_fmt_vbi = cx23885_vbi_fmt, | |
1548 | .vidioc_try_fmt_vbi = cx23885_vbi_fmt, | |
1549 | .vidioc_s_fmt_vbi = cx23885_vbi_fmt, | |
1550 | .vidioc_reqbufs = vidioc_reqbufs, | |
1551 | .vidioc_querybuf = vidioc_querybuf, | |
1552 | .vidioc_qbuf = vidioc_qbuf, | |
1553 | .vidioc_dqbuf = vidioc_dqbuf, | |
1554 | .vidioc_s_std = vidioc_s_std, | |
1555 | .vidioc_enum_input = vidioc_enum_input, | |
1556 | .vidioc_g_input = vidioc_g_input, | |
1557 | .vidioc_s_input = vidioc_s_input, | |
1558 | .vidioc_queryctrl = vidioc_queryctrl, | |
1559 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1560 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1561 | .vidioc_streamon = vidioc_streamon, | |
1562 | .vidioc_streamoff = vidioc_streamoff, | |
1563 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1564 | .vidiocgmbuf = vidiocgmbuf, | |
1565 | #endif | |
1566 | .vidioc_g_tuner = vidioc_g_tuner, | |
1567 | .vidioc_s_tuner = vidioc_s_tuner, | |
1568 | .vidioc_g_frequency = vidioc_g_frequency, | |
1569 | .vidioc_s_frequency = vidioc_s_frequency, | |
1570 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1571 | .vidioc_g_register = vidioc_g_register, | |
1572 | .vidioc_s_register = vidioc_s_register, | |
1573 | #endif | |
1574 | .tvnorms = CX23885_NORMS, | |
1575 | .current_norm = V4L2_STD_NTSC_M, | |
1576 | }; | |
1577 | ||
1578 | static const struct file_operations radio_fops = { | |
1579 | .owner = THIS_MODULE, | |
1580 | .open = video_open, | |
1581 | .release = video_release, | |
1582 | .ioctl = video_ioctl2, | |
1583 | .compat_ioctl = v4l_compat_ioctl32, | |
1584 | .llseek = no_llseek, | |
1585 | }; | |
1586 | ||
1587 | ||
1588 | void cx23885_video_unregister(struct cx23885_dev *dev) | |
1589 | { | |
1590 | dprintk(1, "%s()\n", __FUNCTION__); | |
1591 | cx_clear(PCI_INT_MSK, 1); | |
1592 | ||
1593 | if (dev->video_dev) { | |
1594 | if (-1 != dev->video_dev->minor) | |
1595 | video_unregister_device(dev->video_dev); | |
1596 | else | |
1597 | video_device_release(dev->video_dev); | |
1598 | dev->video_dev = NULL; | |
1599 | ||
1600 | btcx_riscmem_free(dev->pci, &dev->vidq.stopper); | |
1601 | } | |
1602 | } | |
1603 | ||
1604 | int cx23885_video_register(struct cx23885_dev *dev) | |
1605 | { | |
1606 | int err; | |
1607 | ||
1608 | dprintk(1, "%s()\n", __FUNCTION__); | |
1609 | spin_lock_init(&dev->slock); | |
1610 | ||
1611 | /* Initialize VBI template */ | |
1612 | memcpy(&cx23885_vbi_template, &cx23885_video_template, | |
1613 | sizeof(cx23885_vbi_template)); | |
1614 | strcpy(cx23885_vbi_template.name, "cx23885-vbi"); | |
1615 | cx23885_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER; | |
1616 | ||
1617 | dev->tvnorm = cx23885_video_template.current_norm; | |
1618 | ||
1619 | /* init video dma queues */ | |
1620 | INIT_LIST_HEAD(&dev->vidq.active); | |
1621 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1622 | dev->vidq.timeout.function = cx23885_vid_timeout; | |
1623 | dev->vidq.timeout.data = (unsigned long)dev; | |
1624 | init_timer(&dev->vidq.timeout); | |
1625 | cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, | |
1626 | VID_A_DMA_CTL, 0x11, 0x00); | |
1627 | ||
1628 | cx_set(PCI_INT_MSK, 1); | |
1629 | ||
1630 | ||
1631 | /* register v4l devices */ | |
1632 | dev->video_dev = cx23885_vdev_init(dev, dev->pci, | |
1633 | &cx23885_video_template, "video"); | |
1634 | err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, | |
1635 | video_nr[dev->nr]); | |
1636 | if (err < 0) { | |
1637 | printk(KERN_INFO "%s: can't register video device\n", | |
1638 | dev->name); | |
1639 | goto fail_unreg; | |
1640 | } | |
1641 | printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n", | |
1642 | dev->name, dev->video_dev->minor & 0x1f); | |
1643 | /* initial device configuration */ | |
1644 | mutex_lock(&dev->lock); | |
1645 | cx23885_set_tvnorm(dev, dev->tvnorm); | |
1646 | init_controls(dev); | |
1647 | cx23885_video_mux(dev, 0); | |
1648 | mutex_unlock(&dev->lock); | |
1649 | ||
1650 | /* FIXME start tvaudio thread */ | |
1651 | ||
1652 | return 0; | |
1653 | ||
1654 | fail_unreg: | |
1655 | cx23885_video_unregister(dev); | |
1656 | return err; | |
1657 | } | |
1658 |