Commit | Line | Data |
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e47f30b1 ST |
1 | /* |
2 | * Driver for the Conexant CX23885 PCIe bridge | |
3 | * | |
6d897616 | 4 | * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> |
e47f30b1 ST |
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> | |
35ea11ff | 36 | #include <media/v4l2-ioctl.h> |
e47f30b1 | 37 | |
e47f30b1 | 38 | MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); |
6d897616 | 39 | MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); |
e47f30b1 ST |
40 | MODULE_LICENSE("GPL"); |
41 | ||
42 | /* ------------------------------------------------------------------ */ | |
43 | ||
44 | static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
45 | static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
46 | static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
47 | ||
48 | module_param_array(video_nr, int, NULL, 0444); | |
49 | module_param_array(vbi_nr, int, NULL, 0444); | |
50 | module_param_array(radio_nr, int, NULL, 0444); | |
51 | ||
52 | MODULE_PARM_DESC(video_nr, "video device numbers"); | |
53 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); | |
54 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); | |
55 | ||
4513fc69 | 56 | static unsigned int video_debug; |
e47f30b1 ST |
57 | module_param(video_debug, int, 0644); |
58 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
59 | ||
4513fc69 | 60 | static unsigned int irq_debug; |
e47f30b1 ST |
61 | module_param(irq_debug, int, 0644); |
62 | MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); | |
63 | ||
64 | static unsigned int vid_limit = 16; | |
65 | module_param(vid_limit, int, 0644); | |
66 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); | |
67 | ||
68 | #define dprintk(level, fmt, arg...)\ | |
4513fc69 ST |
69 | do { if (video_debug >= level)\ |
70 | printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ | |
71 | } while (0) | |
e47f30b1 ST |
72 | |
73 | /* ------------------------------------------------------------------- */ | |
74 | /* static data */ | |
75 | ||
76 | #define FORMAT_FLAGS_PACKED 0x01 | |
77 | ||
78 | static struct cx23885_fmt formats[] = { | |
79 | { | |
80 | .name = "8 bpp, gray", | |
81 | .fourcc = V4L2_PIX_FMT_GREY, | |
82 | .depth = 8, | |
83 | .flags = FORMAT_FLAGS_PACKED, | |
84 | }, { | |
85 | .name = "15 bpp RGB, le", | |
86 | .fourcc = V4L2_PIX_FMT_RGB555, | |
87 | .depth = 16, | |
88 | .flags = FORMAT_FLAGS_PACKED, | |
89 | }, { | |
90 | .name = "15 bpp RGB, be", | |
91 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
92 | .depth = 16, | |
93 | .flags = FORMAT_FLAGS_PACKED, | |
94 | }, { | |
95 | .name = "16 bpp RGB, le", | |
96 | .fourcc = V4L2_PIX_FMT_RGB565, | |
97 | .depth = 16, | |
98 | .flags = FORMAT_FLAGS_PACKED, | |
99 | }, { | |
100 | .name = "16 bpp RGB, be", | |
101 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
102 | .depth = 16, | |
103 | .flags = FORMAT_FLAGS_PACKED, | |
104 | }, { | |
105 | .name = "24 bpp RGB, le", | |
106 | .fourcc = V4L2_PIX_FMT_BGR24, | |
107 | .depth = 24, | |
108 | .flags = FORMAT_FLAGS_PACKED, | |
109 | }, { | |
110 | .name = "32 bpp RGB, le", | |
111 | .fourcc = V4L2_PIX_FMT_BGR32, | |
112 | .depth = 32, | |
113 | .flags = FORMAT_FLAGS_PACKED, | |
114 | }, { | |
115 | .name = "32 bpp RGB, be", | |
116 | .fourcc = V4L2_PIX_FMT_RGB32, | |
117 | .depth = 32, | |
118 | .flags = FORMAT_FLAGS_PACKED, | |
119 | }, { | |
120 | .name = "4:2:2, packed, YUYV", | |
121 | .fourcc = V4L2_PIX_FMT_YUYV, | |
122 | .depth = 16, | |
123 | .flags = FORMAT_FLAGS_PACKED, | |
124 | }, { | |
125 | .name = "4:2:2, packed, UYVY", | |
126 | .fourcc = V4L2_PIX_FMT_UYVY, | |
127 | .depth = 16, | |
128 | .flags = FORMAT_FLAGS_PACKED, | |
129 | }, | |
130 | }; | |
131 | ||
132 | static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) | |
133 | { | |
134 | unsigned int i; | |
135 | ||
136 | for (i = 0; i < ARRAY_SIZE(formats); i++) | |
137 | if (formats[i].fourcc == fourcc) | |
138 | return formats+i; | |
139 | ||
22b4e64f | 140 | printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); |
e47f30b1 ST |
141 | return NULL; |
142 | } | |
143 | ||
144 | /* ------------------------------------------------------------------- */ | |
145 | ||
146 | static const struct v4l2_queryctrl no_ctl = { | |
147 | .name = "42", | |
148 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
149 | }; | |
150 | ||
151 | static struct cx23885_ctrl cx23885_ctls[] = { | |
152 | /* --- video --- */ | |
153 | { | |
154 | .v = { | |
155 | .id = V4L2_CID_BRIGHTNESS, | |
156 | .name = "Brightness", | |
157 | .minimum = 0x00, | |
158 | .maximum = 0xff, | |
159 | .step = 1, | |
160 | .default_value = 0x7f, | |
161 | .type = V4L2_CTRL_TYPE_INTEGER, | |
162 | }, | |
163 | .off = 128, | |
164 | .reg = LUMA_CTRL, | |
165 | .mask = 0x00ff, | |
166 | .shift = 0, | |
167 | }, { | |
168 | .v = { | |
169 | .id = V4L2_CID_CONTRAST, | |
170 | .name = "Contrast", | |
171 | .minimum = 0, | |
172 | .maximum = 0xff, | |
173 | .step = 1, | |
174 | .default_value = 0x3f, | |
175 | .type = V4L2_CTRL_TYPE_INTEGER, | |
176 | }, | |
177 | .off = 0, | |
178 | .reg = LUMA_CTRL, | |
179 | .mask = 0xff00, | |
180 | .shift = 8, | |
181 | }, { | |
182 | .v = { | |
183 | .id = V4L2_CID_HUE, | |
184 | .name = "Hue", | |
185 | .minimum = 0, | |
186 | .maximum = 0xff, | |
187 | .step = 1, | |
188 | .default_value = 0x7f, | |
189 | .type = V4L2_CTRL_TYPE_INTEGER, | |
190 | }, | |
191 | .off = 128, | |
192 | .reg = CHROMA_CTRL, | |
193 | .mask = 0xff0000, | |
194 | .shift = 16, | |
195 | }, { | |
196 | /* strictly, this only describes only U saturation. | |
197 | * V saturation is handled specially through code. | |
198 | */ | |
199 | .v = { | |
200 | .id = V4L2_CID_SATURATION, | |
201 | .name = "Saturation", | |
202 | .minimum = 0, | |
203 | .maximum = 0xff, | |
204 | .step = 1, | |
205 | .default_value = 0x7f, | |
206 | .type = V4L2_CTRL_TYPE_INTEGER, | |
207 | }, | |
208 | .off = 0, | |
209 | .reg = CHROMA_CTRL, | |
210 | .mask = 0x00ff, | |
211 | .shift = 0, | |
212 | }, { | |
213 | /* --- audio --- */ | |
214 | .v = { | |
215 | .id = V4L2_CID_AUDIO_MUTE, | |
216 | .name = "Mute", | |
217 | .minimum = 0, | |
218 | .maximum = 1, | |
219 | .default_value = 1, | |
220 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
221 | }, | |
222 | .reg = PATH1_CTL1, | |
223 | .mask = (0x1f << 24), | |
224 | .shift = 24, | |
225 | }, { | |
226 | .v = { | |
227 | .id = V4L2_CID_AUDIO_VOLUME, | |
228 | .name = "Volume", | |
229 | .minimum = 0, | |
230 | .maximum = 0x3f, | |
231 | .step = 1, | |
232 | .default_value = 0x3f, | |
233 | .type = V4L2_CTRL_TYPE_INTEGER, | |
234 | }, | |
235 | .reg = PATH1_VOL_CTL, | |
236 | .mask = 0xff, | |
237 | .shift = 0, | |
238 | } | |
239 | }; | |
240 | static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); | |
241 | ||
2ba58894 | 242 | /* Must be sorted from low to high control ID! */ |
d45b9b8a | 243 | static const u32 cx23885_user_ctrls[] = { |
e47f30b1 ST |
244 | V4L2_CID_USER_CLASS, |
245 | V4L2_CID_BRIGHTNESS, | |
246 | V4L2_CID_CONTRAST, | |
247 | V4L2_CID_SATURATION, | |
248 | V4L2_CID_HUE, | |
249 | V4L2_CID_AUDIO_VOLUME, | |
250 | V4L2_CID_AUDIO_MUTE, | |
251 | 0 | |
252 | }; | |
e47f30b1 ST |
253 | |
254 | static const u32 *ctrl_classes[] = { | |
255 | cx23885_user_ctrls, | |
256 | NULL | |
257 | }; | |
258 | ||
d45b9b8a | 259 | static void cx23885_video_wakeup(struct cx23885_dev *dev, |
e47f30b1 ST |
260 | struct cx23885_dmaqueue *q, u32 count) |
261 | { | |
262 | struct cx23885_buffer *buf; | |
263 | int bc; | |
264 | ||
265 | for (bc = 0;; bc++) { | |
266 | if (list_empty(&q->active)) | |
267 | break; | |
268 | buf = list_entry(q->active.next, | |
269 | struct cx23885_buffer, vb.queue); | |
a19602f2 | 270 | |
e47f30b1 ST |
271 | /* count comes from the hw and is is 16bit wide -- |
272 | * this trick handles wrap-arounds correctly for | |
273 | * up to 32767 buffers in flight... */ | |
274 | if ((s16) (count - buf->count) < 0) | |
275 | break; | |
a19602f2 | 276 | |
e47f30b1 ST |
277 | do_gettimeofday(&buf->vb.ts); |
278 | dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, | |
279 | count, buf->count); | |
280 | buf->vb.state = VIDEOBUF_DONE; | |
281 | list_del(&buf->vb.queue); | |
282 | wake_up(&buf->vb.done); | |
283 | } | |
9c8ced51 | 284 | if (list_empty(&q->active)) |
e47f30b1 | 285 | del_timer(&q->timeout); |
9c8ced51 | 286 | else |
e47f30b1 | 287 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
e47f30b1 | 288 | if (bc != 1) |
21a78091 | 289 | printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", |
22b4e64f | 290 | __func__, bc); |
e47f30b1 ST |
291 | } |
292 | ||
d45b9b8a | 293 | static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) |
e47f30b1 ST |
294 | { |
295 | dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", | |
22b4e64f | 296 | __func__, |
e47f30b1 ST |
297 | (unsigned int)norm, |
298 | v4l2_norm_to_name(norm)); | |
299 | ||
300 | dev->tvnorm = norm; | |
301 | ||
f41737ec | 302 | call_all(dev, core, s_std, norm); |
e47f30b1 ST |
303 | |
304 | return 0; | |
305 | } | |
306 | ||
d45b9b8a | 307 | static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, |
e47f30b1 ST |
308 | struct pci_dev *pci, |
309 | struct video_device *template, | |
310 | char *type) | |
311 | { | |
312 | struct video_device *vfd; | |
22b4e64f | 313 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
314 | |
315 | vfd = video_device_alloc(); | |
316 | if (NULL == vfd) | |
317 | return NULL; | |
318 | *vfd = *template; | |
c0714f6c HV |
319 | vfd->minor = -1; |
320 | vfd->v4l2_dev = &dev->v4l2_dev; | |
e47f30b1 ST |
321 | vfd->release = video_device_release; |
322 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", | |
323 | dev->name, type, cx23885_boards[dev->board].name); | |
324 | return vfd; | |
325 | } | |
326 | ||
d45b9b8a | 327 | static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) |
e47f30b1 ST |
328 | { |
329 | int i; | |
330 | ||
331 | if (qctrl->id < V4L2_CID_BASE || | |
332 | qctrl->id >= V4L2_CID_LASTP1) | |
333 | return -EINVAL; | |
334 | for (i = 0; i < CX23885_CTLS; i++) | |
335 | if (cx23885_ctls[i].v.id == qctrl->id) | |
336 | break; | |
337 | if (i == CX23885_CTLS) { | |
338 | *qctrl = no_ctl; | |
339 | return 0; | |
340 | } | |
341 | *qctrl = cx23885_ctls[i].v; | |
342 | return 0; | |
343 | } | |
e47f30b1 ST |
344 | |
345 | /* ------------------------------------------------------------------- */ | |
346 | /* resource management */ | |
347 | ||
348 | static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, | |
349 | unsigned int bit) | |
350 | { | |
22b4e64f | 351 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
352 | if (fh->resources & bit) |
353 | /* have it already allocated */ | |
354 | return 1; | |
355 | ||
356 | /* is it free? */ | |
357 | mutex_lock(&dev->lock); | |
358 | if (dev->resources & bit) { | |
359 | /* no, someone else uses it */ | |
360 | mutex_unlock(&dev->lock); | |
361 | return 0; | |
362 | } | |
363 | /* it's free, grab it */ | |
364 | fh->resources |= bit; | |
365 | dev->resources |= bit; | |
366 | dprintk(1, "res: get %d\n", bit); | |
367 | mutex_unlock(&dev->lock); | |
368 | return 1; | |
369 | } | |
370 | ||
371 | static int res_check(struct cx23885_fh *fh, unsigned int bit) | |
372 | { | |
9c8ced51 | 373 | return fh->resources & bit; |
e47f30b1 ST |
374 | } |
375 | ||
376 | static int res_locked(struct cx23885_dev *dev, unsigned int bit) | |
377 | { | |
9c8ced51 | 378 | return dev->resources & bit; |
e47f30b1 ST |
379 | } |
380 | ||
381 | static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, | |
382 | unsigned int bits) | |
383 | { | |
384 | BUG_ON((fh->resources & bits) != bits); | |
22b4e64f | 385 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
386 | |
387 | mutex_lock(&dev->lock); | |
388 | fh->resources &= ~bits; | |
389 | dev->resources &= ~bits; | |
390 | dprintk(1, "res: put %d\n", bits); | |
391 | mutex_unlock(&dev->lock); | |
392 | } | |
393 | ||
d45b9b8a | 394 | static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) |
e47f30b1 ST |
395 | { |
396 | struct v4l2_routing route; | |
397 | memset(&route, 0, sizeof(route)); | |
398 | ||
399 | dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", | |
22b4e64f | 400 | __func__, |
e47f30b1 ST |
401 | input, INPUT(input)->vmux, |
402 | INPUT(input)->gpio0, INPUT(input)->gpio1, | |
403 | INPUT(input)->gpio2, INPUT(input)->gpio3); | |
404 | dev->input = input; | |
405 | ||
406 | route.input = INPUT(input)->vmux; | |
407 | ||
408 | /* Tell the internal A/V decoder */ | |
0d5a19f1 | 409 | v4l2_subdev_call(dev->sd_cx25840, video, s_routing, &route); |
e47f30b1 ST |
410 | |
411 | return 0; | |
412 | } | |
e47f30b1 ST |
413 | |
414 | /* ------------------------------------------------------------------ */ | |
d45b9b8a | 415 | static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, |
e47f30b1 ST |
416 | unsigned int height, enum v4l2_field field) |
417 | { | |
22b4e64f | 418 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
419 | return 0; |
420 | } | |
421 | ||
422 | static int cx23885_start_video_dma(struct cx23885_dev *dev, | |
423 | struct cx23885_dmaqueue *q, | |
424 | struct cx23885_buffer *buf) | |
425 | { | |
22b4e64f | 426 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
427 | |
428 | /* setup fifo + format */ | |
429 | cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], | |
430 | buf->bpl, buf->risc.dma); | |
431 | cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field); | |
432 | ||
433 | /* reset counter */ | |
434 | cx_write(VID_A_GPCNT_CTL, 3); | |
435 | q->count = 1; | |
436 | ||
437 | /* enable irq */ | |
438 | cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01); | |
439 | cx_set(VID_A_INT_MSK, 0x000011); | |
440 | ||
441 | /* start dma */ | |
442 | cx_set(DEV_CNTRL2, (1<<5)); | |
443 | cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ | |
444 | ||
445 | return 0; | |
446 | } | |
447 | ||
e47f30b1 ST |
448 | |
449 | static int cx23885_restart_video_queue(struct cx23885_dev *dev, | |
450 | struct cx23885_dmaqueue *q) | |
451 | { | |
452 | struct cx23885_buffer *buf, *prev; | |
453 | struct list_head *item; | |
22b4e64f | 454 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
455 | |
456 | if (!list_empty(&q->active)) { | |
457 | buf = list_entry(q->active.next, struct cx23885_buffer, | |
458 | vb.queue); | |
459 | dprintk(2, "restart_queue [%p/%d]: restart dma\n", | |
460 | buf, buf->vb.i); | |
461 | cx23885_start_video_dma(dev, q, buf); | |
462 | list_for_each(item, &q->active) { | |
463 | buf = list_entry(item, struct cx23885_buffer, | |
464 | vb.queue); | |
465 | buf->count = q->count++; | |
466 | } | |
467 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
468 | return 0; | |
469 | } | |
470 | ||
471 | prev = NULL; | |
472 | for (;;) { | |
473 | if (list_empty(&q->queued)) | |
474 | return 0; | |
475 | buf = list_entry(q->queued.next, struct cx23885_buffer, | |
476 | vb.queue); | |
477 | if (NULL == prev) { | |
478 | list_move_tail(&buf->vb.queue, &q->active); | |
479 | cx23885_start_video_dma(dev, q, buf); | |
480 | buf->vb.state = VIDEOBUF_ACTIVE; | |
481 | buf->count = q->count++; | |
482 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
483 | dprintk(2, "[%p/%d] restart_queue - first active\n", | |
484 | buf, buf->vb.i); | |
485 | ||
486 | } else if (prev->vb.width == buf->vb.width && | |
487 | prev->vb.height == buf->vb.height && | |
488 | prev->fmt == buf->fmt) { | |
489 | list_move_tail(&buf->vb.queue, &q->active); | |
490 | buf->vb.state = VIDEOBUF_ACTIVE; | |
491 | buf->count = q->count++; | |
492 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
493 | prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ | |
494 | dprintk(2, "[%p/%d] restart_queue - move to active\n", | |
495 | buf, buf->vb.i); | |
496 | } else { | |
497 | return 0; | |
498 | } | |
499 | prev = buf; | |
500 | } | |
501 | } | |
502 | ||
503 | static int buffer_setup(struct videobuf_queue *q, unsigned int *count, | |
504 | unsigned int *size) | |
505 | { | |
506 | struct cx23885_fh *fh = q->priv_data; | |
507 | ||
508 | *size = fh->fmt->depth*fh->width*fh->height >> 3; | |
509 | if (0 == *count) | |
510 | *count = 32; | |
511 | while (*size * *count > vid_limit * 1024 * 1024) | |
512 | (*count)--; | |
513 | return 0; | |
514 | } | |
515 | ||
516 | static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, | |
517 | enum v4l2_field field) | |
518 | { | |
519 | struct cx23885_fh *fh = q->priv_data; | |
520 | struct cx23885_dev *dev = fh->dev; | |
521 | struct cx23885_buffer *buf = | |
522 | container_of(vb, struct cx23885_buffer, vb); | |
523 | int rc, init_buffer = 0; | |
524 | u32 line0_offset, line1_offset; | |
525 | struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); | |
526 | ||
527 | BUG_ON(NULL == fh->fmt); | |
528 | if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || | |
529 | fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) | |
530 | return -EINVAL; | |
531 | buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; | |
532 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
533 | return -EINVAL; | |
534 | ||
535 | if (buf->fmt != fh->fmt || | |
536 | buf->vb.width != fh->width || | |
537 | buf->vb.height != fh->height || | |
538 | buf->vb.field != field) { | |
539 | buf->fmt = fh->fmt; | |
540 | buf->vb.width = fh->width; | |
541 | buf->vb.height = fh->height; | |
542 | buf->vb.field = field; | |
543 | init_buffer = 1; | |
544 | } | |
545 | ||
546 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
547 | init_buffer = 1; | |
548 | rc = videobuf_iolock(q, &buf->vb, NULL); | |
549 | if (0 != rc) | |
550 | goto fail; | |
551 | } | |
552 | ||
553 | if (init_buffer) { | |
554 | buf->bpl = buf->vb.width * buf->fmt->depth >> 3; | |
555 | switch (buf->vb.field) { | |
556 | case V4L2_FIELD_TOP: | |
557 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
558 | dma->sglist, 0, UNSET, | |
559 | buf->bpl, 0, buf->vb.height); | |
560 | break; | |
561 | case V4L2_FIELD_BOTTOM: | |
562 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
563 | dma->sglist, UNSET, 0, | |
564 | buf->bpl, 0, buf->vb.height); | |
565 | break; | |
566 | case V4L2_FIELD_INTERLACED: | |
567 | if (dev->tvnorm & V4L2_STD_NTSC) { | |
568 | /* cx25840 transmits NTSC bottom field first */ | |
569 | dprintk(1, "%s() Creating NTSC risc\n", | |
22b4e64f | 570 | __func__); |
e47f30b1 ST |
571 | line0_offset = buf->bpl; |
572 | line1_offset = 0; | |
573 | } else { | |
574 | /* All other formats are top field first */ | |
575 | dprintk(1, "%s() Creating PAL/SECAM risc\n", | |
22b4e64f | 576 | __func__); |
e47f30b1 ST |
577 | line0_offset = 0; |
578 | line1_offset = buf->bpl; | |
579 | } | |
580 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
581 | dma->sglist, line0_offset, | |
582 | line1_offset, | |
583 | buf->bpl, buf->bpl, | |
584 | buf->vb.height >> 1); | |
585 | break; | |
586 | case V4L2_FIELD_SEQ_TB: | |
587 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
588 | dma->sglist, | |
589 | 0, buf->bpl * (buf->vb.height >> 1), | |
590 | buf->bpl, 0, | |
591 | buf->vb.height >> 1); | |
592 | break; | |
593 | case V4L2_FIELD_SEQ_BT: | |
594 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
595 | dma->sglist, | |
596 | buf->bpl * (buf->vb.height >> 1), 0, | |
597 | buf->bpl, 0, | |
598 | buf->vb.height >> 1); | |
599 | break; | |
600 | default: | |
601 | BUG(); | |
602 | } | |
603 | } | |
604 | dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", | |
605 | buf, buf->vb.i, | |
606 | fh->width, fh->height, fh->fmt->depth, fh->fmt->name, | |
607 | (unsigned long)buf->risc.dma); | |
608 | ||
609 | buf->vb.state = VIDEOBUF_PREPARED; | |
610 | return 0; | |
611 | ||
612 | fail: | |
613 | cx23885_free_buffer(q, buf); | |
614 | return rc; | |
615 | } | |
616 | ||
617 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
618 | { | |
619 | struct cx23885_buffer *buf = container_of(vb, | |
620 | struct cx23885_buffer, vb); | |
621 | struct cx23885_buffer *prev; | |
622 | struct cx23885_fh *fh = vq->priv_data; | |
623 | struct cx23885_dev *dev = fh->dev; | |
624 | struct cx23885_dmaqueue *q = &dev->vidq; | |
625 | ||
626 | /* add jump to stopper */ | |
627 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
628 | buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); | |
629 | buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ | |
630 | ||
631 | if (!list_empty(&q->queued)) { | |
632 | list_add_tail(&buf->vb.queue, &q->queued); | |
633 | buf->vb.state = VIDEOBUF_QUEUED; | |
634 | dprintk(2, "[%p/%d] buffer_queue - append to queued\n", | |
635 | buf, buf->vb.i); | |
636 | ||
637 | } else if (list_empty(&q->active)) { | |
638 | list_add_tail(&buf->vb.queue, &q->active); | |
639 | cx23885_start_video_dma(dev, q, buf); | |
640 | buf->vb.state = VIDEOBUF_ACTIVE; | |
641 | buf->count = q->count++; | |
642 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
643 | dprintk(2, "[%p/%d] buffer_queue - first active\n", | |
644 | buf, buf->vb.i); | |
645 | ||
646 | } else { | |
647 | prev = list_entry(q->active.prev, struct cx23885_buffer, | |
648 | vb.queue); | |
649 | if (prev->vb.width == buf->vb.width && | |
650 | prev->vb.height == buf->vb.height && | |
651 | prev->fmt == buf->fmt) { | |
652 | list_add_tail(&buf->vb.queue, &q->active); | |
653 | buf->vb.state = VIDEOBUF_ACTIVE; | |
654 | buf->count = q->count++; | |
655 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
656 | /* 64 bit bits 63-32 */ | |
657 | prev->risc.jmp[2] = cpu_to_le32(0); | |
658 | dprintk(2, "[%p/%d] buffer_queue - append to active\n", | |
659 | buf, buf->vb.i); | |
660 | ||
661 | } else { | |
662 | list_add_tail(&buf->vb.queue, &q->queued); | |
663 | buf->vb.state = VIDEOBUF_QUEUED; | |
664 | dprintk(2, "[%p/%d] buffer_queue - first queued\n", | |
665 | buf, buf->vb.i); | |
666 | } | |
667 | } | |
668 | } | |
669 | ||
670 | static void buffer_release(struct videobuf_queue *q, | |
671 | struct videobuf_buffer *vb) | |
672 | { | |
673 | struct cx23885_buffer *buf = container_of(vb, | |
674 | struct cx23885_buffer, vb); | |
675 | ||
676 | cx23885_free_buffer(q, buf); | |
677 | } | |
678 | ||
679 | static struct videobuf_queue_ops cx23885_video_qops = { | |
680 | .buf_setup = buffer_setup, | |
681 | .buf_prepare = buffer_prepare, | |
682 | .buf_queue = buffer_queue, | |
683 | .buf_release = buffer_release, | |
684 | }; | |
685 | ||
686 | static struct videobuf_queue *get_queue(struct cx23885_fh *fh) | |
687 | { | |
688 | switch (fh->type) { | |
689 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
690 | return &fh->vidq; | |
691 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
692 | return &fh->vbiq; | |
693 | default: | |
694 | BUG(); | |
695 | return NULL; | |
696 | } | |
697 | } | |
698 | ||
699 | static int get_resource(struct cx23885_fh *fh) | |
700 | { | |
701 | switch (fh->type) { | |
702 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
703 | return RESOURCE_VIDEO; | |
704 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
705 | return RESOURCE_VBI; | |
706 | default: | |
707 | BUG(); | |
708 | return 0; | |
709 | } | |
710 | } | |
711 | ||
bec43661 | 712 | static int video_open(struct file *file) |
e47f30b1 | 713 | { |
bec43661 | 714 | int minor = video_devdata(file)->minor; |
e47f30b1 ST |
715 | struct cx23885_dev *h, *dev = NULL; |
716 | struct cx23885_fh *fh; | |
717 | struct list_head *list; | |
718 | enum v4l2_buf_type type = 0; | |
719 | int radio = 0; | |
720 | ||
d56dc612 | 721 | lock_kernel(); |
e47f30b1 ST |
722 | list_for_each(list, &cx23885_devlist) { |
723 | h = list_entry(list, struct cx23885_dev, devlist); | |
cd8f894e AW |
724 | if (h->video_dev && |
725 | h->video_dev->minor == minor) { | |
e47f30b1 ST |
726 | dev = h; |
727 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
728 | } | |
729 | if (h->vbi_dev && | |
cd8f894e | 730 | h->vbi_dev->minor == minor) { |
e47f30b1 ST |
731 | dev = h; |
732 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
733 | } | |
734 | if (h->radio_dev && | |
735 | h->radio_dev->minor == minor) { | |
736 | radio = 1; | |
737 | dev = h; | |
738 | } | |
739 | } | |
d56dc612 HV |
740 | if (NULL == dev) { |
741 | unlock_kernel(); | |
e47f30b1 | 742 | return -ENODEV; |
d56dc612 | 743 | } |
e47f30b1 ST |
744 | |
745 | dprintk(1, "open minor=%d radio=%d type=%s\n", | |
746 | minor, radio, v4l2_type_names[type]); | |
747 | ||
748 | /* allocate + initialize per filehandle data */ | |
749 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); | |
d56dc612 HV |
750 | if (NULL == fh) { |
751 | unlock_kernel(); | |
e47f30b1 | 752 | return -ENOMEM; |
d56dc612 | 753 | } |
e47f30b1 ST |
754 | file->private_data = fh; |
755 | fh->dev = dev; | |
756 | fh->radio = radio; | |
757 | fh->type = type; | |
758 | fh->width = 320; | |
759 | fh->height = 240; | |
760 | fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); | |
761 | ||
0705135e GL |
762 | videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, |
763 | &dev->pci->dev, &dev->slock, | |
e47f30b1 ST |
764 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
765 | V4L2_FIELD_INTERLACED, | |
766 | sizeof(struct cx23885_buffer), | |
767 | fh); | |
768 | ||
769 | dprintk(1, "post videobuf_queue_init()\n"); | |
770 | ||
d56dc612 | 771 | unlock_kernel(); |
e47f30b1 ST |
772 | |
773 | return 0; | |
774 | } | |
775 | ||
776 | static ssize_t video_read(struct file *file, char __user *data, | |
777 | size_t count, loff_t *ppos) | |
778 | { | |
779 | struct cx23885_fh *fh = file->private_data; | |
780 | ||
781 | switch (fh->type) { | |
782 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
783 | if (res_locked(fh->dev, RESOURCE_VIDEO)) | |
784 | return -EBUSY; | |
785 | return videobuf_read_one(&fh->vidq, data, count, ppos, | |
786 | file->f_flags & O_NONBLOCK); | |
787 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
788 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
789 | return -EBUSY; | |
790 | return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, | |
791 | file->f_flags & O_NONBLOCK); | |
792 | default: | |
793 | BUG(); | |
794 | return 0; | |
795 | } | |
796 | } | |
797 | ||
798 | static unsigned int video_poll(struct file *file, | |
799 | struct poll_table_struct *wait) | |
800 | { | |
801 | struct cx23885_fh *fh = file->private_data; | |
802 | struct cx23885_buffer *buf; | |
803 | ||
804 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { | |
805 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
806 | return POLLERR; | |
807 | return videobuf_poll_stream(file, &fh->vbiq, wait); | |
808 | } | |
809 | ||
810 | if (res_check(fh, RESOURCE_VIDEO)) { | |
811 | /* streaming capture */ | |
812 | if (list_empty(&fh->vidq.stream)) | |
813 | return POLLERR; | |
814 | buf = list_entry(fh->vidq.stream.next, | |
815 | struct cx23885_buffer, vb.stream); | |
816 | } else { | |
817 | /* read() capture */ | |
818 | buf = (struct cx23885_buffer *)fh->vidq.read_buf; | |
819 | if (NULL == buf) | |
820 | return POLLERR; | |
821 | } | |
822 | poll_wait(file, &buf->vb.done, wait); | |
823 | if (buf->vb.state == VIDEOBUF_DONE || | |
824 | buf->vb.state == VIDEOBUF_ERROR) | |
825 | return POLLIN|POLLRDNORM; | |
826 | return 0; | |
827 | } | |
828 | ||
bec43661 | 829 | static int video_release(struct file *file) |
e47f30b1 ST |
830 | { |
831 | struct cx23885_fh *fh = file->private_data; | |
832 | struct cx23885_dev *dev = fh->dev; | |
833 | ||
834 | /* turn off overlay */ | |
835 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
836 | /* FIXME */ | |
837 | res_free(dev, fh, RESOURCE_OVERLAY); | |
838 | } | |
839 | ||
840 | /* stop video capture */ | |
841 | if (res_check(fh, RESOURCE_VIDEO)) { | |
842 | videobuf_queue_cancel(&fh->vidq); | |
843 | res_free(dev, fh, RESOURCE_VIDEO); | |
844 | } | |
845 | if (fh->vidq.read_buf) { | |
846 | buffer_release(&fh->vidq, fh->vidq.read_buf); | |
847 | kfree(fh->vidq.read_buf); | |
848 | } | |
849 | ||
850 | /* stop vbi capture */ | |
851 | if (res_check(fh, RESOURCE_VBI)) { | |
852 | if (fh->vbiq.streaming) | |
853 | videobuf_streamoff(&fh->vbiq); | |
854 | if (fh->vbiq.reading) | |
855 | videobuf_read_stop(&fh->vbiq); | |
856 | res_free(dev, fh, RESOURCE_VBI); | |
857 | } | |
858 | ||
859 | videobuf_mmap_free(&fh->vidq); | |
860 | file->private_data = NULL; | |
861 | kfree(fh); | |
862 | ||
a19602f2 ST |
863 | /* We are not putting the tuner to sleep here on exit, because |
864 | * we want to use the mpeg encoder in another session to capture | |
865 | * tuner video. Closing this will result in no video to the encoder. | |
866 | */ | |
e47f30b1 ST |
867 | |
868 | return 0; | |
869 | } | |
870 | ||
871 | static int video_mmap(struct file *file, struct vm_area_struct *vma) | |
872 | { | |
873 | struct cx23885_fh *fh = file->private_data; | |
874 | ||
875 | return videobuf_mmap_mapper(get_queue(fh), vma); | |
876 | } | |
877 | ||
878 | /* ------------------------------------------------------------------ */ | |
879 | /* VIDEO CTRL IOCTLS */ | |
880 | ||
9c8ced51 ST |
881 | static int cx23885_get_control(struct cx23885_dev *dev, |
882 | struct v4l2_control *ctl) | |
e47f30b1 | 883 | { |
22b4e64f | 884 | dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); |
0d5a19f1 | 885 | call_all(dev, core, g_ctrl, ctl); |
e47f30b1 ST |
886 | return 0; |
887 | } | |
e47f30b1 | 888 | |
9c8ced51 ST |
889 | static int cx23885_set_control(struct cx23885_dev *dev, |
890 | struct v4l2_control *ctl) | |
e47f30b1 ST |
891 | { |
892 | dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)" | |
22b4e64f | 893 | " (disabled - no action)\n", __func__); |
e47f30b1 ST |
894 | return 0; |
895 | } | |
e47f30b1 ST |
896 | |
897 | static void init_controls(struct cx23885_dev *dev) | |
898 | { | |
899 | struct v4l2_control ctrl; | |
900 | int i; | |
901 | ||
902 | for (i = 0; i < CX23885_CTLS; i++) { | |
903 | ctrl.id = cx23885_ctls[i].v.id; | |
904 | ctrl.value = cx23885_ctls[i].v.default_value; | |
905 | ||
906 | cx23885_set_control(dev, &ctrl); | |
907 | } | |
908 | } | |
909 | ||
910 | /* ------------------------------------------------------------------ */ | |
911 | /* VIDEO IOCTLS */ | |
912 | ||
78b526a4 | 913 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
914 | struct v4l2_format *f) |
915 | { | |
916 | struct cx23885_fh *fh = priv; | |
917 | ||
918 | f->fmt.pix.width = fh->width; | |
919 | f->fmt.pix.height = fh->height; | |
920 | f->fmt.pix.field = fh->vidq.field; | |
921 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
922 | f->fmt.pix.bytesperline = | |
923 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
924 | f->fmt.pix.sizeimage = | |
925 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
926 | ||
927 | return 0; | |
928 | } | |
929 | ||
78b526a4 | 930 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
931 | struct v4l2_format *f) |
932 | { | |
933 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
934 | struct cx23885_fmt *fmt; | |
935 | enum v4l2_field field; | |
936 | unsigned int maxw, maxh; | |
937 | ||
938 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
939 | if (NULL == fmt) | |
940 | return -EINVAL; | |
941 | ||
942 | field = f->fmt.pix.field; | |
943 | maxw = norm_maxw(dev->tvnorm); | |
944 | maxh = norm_maxh(dev->tvnorm); | |
945 | ||
946 | if (V4L2_FIELD_ANY == field) { | |
947 | field = (f->fmt.pix.height > maxh/2) | |
948 | ? V4L2_FIELD_INTERLACED | |
949 | : V4L2_FIELD_BOTTOM; | |
950 | } | |
951 | ||
952 | switch (field) { | |
953 | case V4L2_FIELD_TOP: | |
954 | case V4L2_FIELD_BOTTOM: | |
955 | maxh = maxh / 2; | |
956 | break; | |
957 | case V4L2_FIELD_INTERLACED: | |
958 | break; | |
959 | default: | |
960 | return -EINVAL; | |
961 | } | |
962 | ||
963 | f->fmt.pix.field = field; | |
964 | if (f->fmt.pix.height < 32) | |
965 | f->fmt.pix.height = 32; | |
966 | if (f->fmt.pix.height > maxh) | |
967 | f->fmt.pix.height = maxh; | |
968 | if (f->fmt.pix.width < 48) | |
969 | f->fmt.pix.width = 48; | |
970 | if (f->fmt.pix.width > maxw) | |
971 | f->fmt.pix.width = maxw; | |
972 | f->fmt.pix.width &= ~0x03; | |
973 | f->fmt.pix.bytesperline = | |
974 | (f->fmt.pix.width * fmt->depth) >> 3; | |
975 | f->fmt.pix.sizeimage = | |
976 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
977 | ||
978 | return 0; | |
979 | } | |
980 | ||
78b526a4 | 981 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
982 | struct v4l2_format *f) |
983 | { | |
984 | struct cx23885_fh *fh = priv; | |
985 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
986 | int err; | |
987 | ||
22b4e64f | 988 | dprintk(2, "%s()\n", __func__); |
78b526a4 | 989 | err = vidioc_try_fmt_vid_cap(file, priv, f); |
e47f30b1 ST |
990 | |
991 | if (0 != err) | |
992 | return err; | |
993 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
994 | fh->width = f->fmt.pix.width; | |
995 | fh->height = f->fmt.pix.height; | |
996 | fh->vidq.field = f->fmt.pix.field; | |
22b4e64f | 997 | dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, |
e47f30b1 | 998 | fh->width, fh->height, fh->vidq.field); |
0d5a19f1 | 999 | call_all(dev, video, s_fmt, f); |
e47f30b1 ST |
1000 | return 0; |
1001 | } | |
1002 | ||
1003 | static int vidioc_querycap(struct file *file, void *priv, | |
1004 | struct v4l2_capability *cap) | |
1005 | { | |
1006 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1007 | ||
1008 | strcpy(cap->driver, "cx23885"); | |
1009 | strlcpy(cap->card, cx23885_boards[dev->board].name, | |
1010 | sizeof(cap->card)); | |
1011 | sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); | |
1012 | cap->version = CX23885_VERSION_CODE; | |
1013 | cap->capabilities = | |
1014 | V4L2_CAP_VIDEO_CAPTURE | | |
1015 | V4L2_CAP_READWRITE | | |
1016 | V4L2_CAP_STREAMING | | |
1017 | V4L2_CAP_VBI_CAPTURE; | |
1018 | if (UNSET != dev->tuner_type) | |
1019 | cap->capabilities |= V4L2_CAP_TUNER; | |
1020 | return 0; | |
1021 | } | |
1022 | ||
78b526a4 | 1023 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
1024 | struct v4l2_fmtdesc *f) |
1025 | { | |
1026 | if (unlikely(f->index >= ARRAY_SIZE(formats))) | |
1027 | return -EINVAL; | |
1028 | ||
1029 | strlcpy(f->description, formats[f->index].name, | |
1030 | sizeof(f->description)); | |
1031 | f->pixelformat = formats[f->index].fourcc; | |
1032 | ||
1033 | return 0; | |
1034 | } | |
1035 | ||
1036 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1037 | static int vidiocgmbuf(struct file *file, void *priv, | |
1038 | struct video_mbuf *mbuf) | |
1039 | { | |
1040 | struct cx23885_fh *fh = priv; | |
1041 | struct videobuf_queue *q; | |
1042 | struct v4l2_requestbuffers req; | |
1043 | unsigned int i; | |
1044 | int err; | |
1045 | ||
1046 | q = get_queue(fh); | |
1047 | memset(&req, 0, sizeof(req)); | |
1048 | req.type = q->type; | |
1049 | req.count = 8; | |
1050 | req.memory = V4L2_MEMORY_MMAP; | |
1051 | err = videobuf_reqbufs(q, &req); | |
1052 | if (err < 0) | |
1053 | return err; | |
1054 | ||
1055 | mbuf->frames = req.count; | |
1056 | mbuf->size = 0; | |
1057 | for (i = 0; i < mbuf->frames; i++) { | |
1058 | mbuf->offsets[i] = q->bufs[i]->boff; | |
1059 | mbuf->size += q->bufs[i]->bsize; | |
1060 | } | |
1061 | return 0; | |
1062 | } | |
1063 | #endif | |
1064 | ||
1065 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1066 | struct v4l2_requestbuffers *p) | |
1067 | { | |
1068 | struct cx23885_fh *fh = priv; | |
9c8ced51 | 1069 | return videobuf_reqbufs(get_queue(fh), p); |
e47f30b1 ST |
1070 | } |
1071 | ||
1072 | static int vidioc_querybuf(struct file *file, void *priv, | |
1073 | struct v4l2_buffer *p) | |
1074 | { | |
1075 | struct cx23885_fh *fh = priv; | |
9c8ced51 | 1076 | return videobuf_querybuf(get_queue(fh), p); |
e47f30b1 ST |
1077 | } |
1078 | ||
1079 | static int vidioc_qbuf(struct file *file, void *priv, | |
1080 | struct v4l2_buffer *p) | |
1081 | { | |
1082 | struct cx23885_fh *fh = priv; | |
9c8ced51 | 1083 | return videobuf_qbuf(get_queue(fh), p); |
e47f30b1 ST |
1084 | } |
1085 | ||
1086 | static int vidioc_dqbuf(struct file *file, void *priv, | |
1087 | struct v4l2_buffer *p) | |
1088 | { | |
1089 | struct cx23885_fh *fh = priv; | |
9c8ced51 ST |
1090 | return videobuf_dqbuf(get_queue(fh), p, |
1091 | file->f_flags & O_NONBLOCK); | |
e47f30b1 ST |
1092 | } |
1093 | ||
1094 | static int vidioc_streamon(struct file *file, void *priv, | |
1095 | enum v4l2_buf_type i) | |
1096 | { | |
1097 | struct cx23885_fh *fh = priv; | |
1098 | struct cx23885_dev *dev = fh->dev; | |
22b4e64f | 1099 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1100 | |
1101 | if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) | |
1102 | return -EINVAL; | |
1103 | if (unlikely(i != fh->type)) | |
1104 | return -EINVAL; | |
1105 | ||
1106 | if (unlikely(!res_get(dev, fh, get_resource(fh)))) | |
1107 | return -EBUSY; | |
1108 | return videobuf_streamon(get_queue(fh)); | |
1109 | } | |
1110 | ||
1111 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1112 | { | |
1113 | struct cx23885_fh *fh = priv; | |
1114 | struct cx23885_dev *dev = fh->dev; | |
1115 | int err, res; | |
22b4e64f | 1116 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1117 | |
1118 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1119 | return -EINVAL; | |
1120 | if (i != fh->type) | |
1121 | return -EINVAL; | |
1122 | ||
1123 | res = get_resource(fh); | |
1124 | err = videobuf_streamoff(get_queue(fh)); | |
1125 | if (err < 0) | |
1126 | return err; | |
1127 | res_free(dev, fh, res); | |
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) | |
1132 | { | |
1133 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
22b4e64f | 1134 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1135 | |
1136 | mutex_lock(&dev->lock); | |
1137 | cx23885_set_tvnorm(dev, *tvnorms); | |
1138 | mutex_unlock(&dev->lock); | |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
d45b9b8a | 1143 | static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) |
e47f30b1 ST |
1144 | { |
1145 | static const char *iname[] = { | |
1146 | [CX23885_VMUX_COMPOSITE1] = "Composite1", | |
1147 | [CX23885_VMUX_COMPOSITE2] = "Composite2", | |
1148 | [CX23885_VMUX_COMPOSITE3] = "Composite3", | |
1149 | [CX23885_VMUX_COMPOSITE4] = "Composite4", | |
1150 | [CX23885_VMUX_SVIDEO] = "S-Video", | |
1151 | [CX23885_VMUX_TELEVISION] = "Television", | |
1152 | [CX23885_VMUX_CABLE] = "Cable TV", | |
1153 | [CX23885_VMUX_DVB] = "DVB", | |
1154 | [CX23885_VMUX_DEBUG] = "for debug only", | |
1155 | }; | |
1156 | unsigned int n; | |
22b4e64f | 1157 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1158 | |
1159 | n = i->index; | |
1160 | if (n >= 4) | |
1161 | return -EINVAL; | |
1162 | ||
1163 | if (0 == INPUT(n)->type) | |
1164 | return -EINVAL; | |
1165 | ||
1166 | memset(i, 0, sizeof(*i)); | |
1167 | i->index = n; | |
1168 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1169 | strcpy(i->name, iname[INPUT(n)->type]); | |
1170 | if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || | |
1171 | (CX23885_VMUX_CABLE == INPUT(n)->type)) | |
1172 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1173 | i->std = CX23885_NORMS; | |
1174 | return 0; | |
1175 | } | |
e47f30b1 ST |
1176 | |
1177 | static int vidioc_enum_input(struct file *file, void *priv, | |
1178 | struct v4l2_input *i) | |
1179 | { | |
1180 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
22b4e64f | 1181 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1182 | return cx23885_enum_input(dev, i); |
1183 | } | |
1184 | ||
1185 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1186 | { | |
1187 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1188 | ||
1189 | *i = dev->input; | |
22b4e64f | 1190 | dprintk(1, "%s() returns %d\n", __func__, *i); |
e47f30b1 ST |
1191 | return 0; |
1192 | } | |
1193 | ||
1194 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1195 | { | |
1196 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1197 | ||
22b4e64f | 1198 | dprintk(1, "%s(%d)\n", __func__, i); |
e47f30b1 ST |
1199 | |
1200 | if (i >= 4) { | |
22b4e64f | 1201 | dprintk(1, "%s() -EINVAL\n", __func__); |
e47f30b1 ST |
1202 | return -EINVAL; |
1203 | } | |
1204 | ||
1205 | mutex_lock(&dev->lock); | |
1206 | cx23885_video_mux(dev, i); | |
1207 | mutex_unlock(&dev->lock); | |
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1212 | struct v4l2_queryctrl *qctrl) | |
1213 | { | |
1214 | qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); | |
1215 | if (unlikely(qctrl->id == 0)) | |
1216 | return -EINVAL; | |
1217 | return cx23885_ctrl_query(qctrl); | |
1218 | } | |
1219 | ||
1220 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1221 | struct v4l2_control *ctl) | |
1222 | { | |
1223 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1224 | ||
1225 | return cx23885_get_control(dev, ctl); | |
1226 | } | |
1227 | ||
1228 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1229 | struct v4l2_control *ctl) | |
1230 | { | |
1231 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1232 | ||
1233 | return cx23885_set_control(dev, ctl); | |
1234 | } | |
1235 | ||
1236 | static int vidioc_g_tuner(struct file *file, void *priv, | |
1237 | struct v4l2_tuner *t) | |
1238 | { | |
1239 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1240 | ||
1241 | if (unlikely(UNSET == dev->tuner_type)) | |
1242 | return -EINVAL; | |
1243 | if (0 != t->index) | |
1244 | return -EINVAL; | |
1245 | ||
1246 | strcpy(t->name, "Television"); | |
1247 | t->type = V4L2_TUNER_ANALOG_TV; | |
1248 | t->capability = V4L2_TUNER_CAP_NORM; | |
1249 | t->rangehigh = 0xffffffffUL; | |
1250 | t->signal = 0xffff ; /* LOCKED */ | |
1251 | return 0; | |
1252 | } | |
1253 | ||
1254 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1255 | struct v4l2_tuner *t) | |
1256 | { | |
1257 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1258 | ||
1259 | if (UNSET == dev->tuner_type) | |
1260 | return -EINVAL; | |
1261 | if (0 != t->index) | |
1262 | return -EINVAL; | |
1263 | return 0; | |
1264 | } | |
1265 | ||
1266 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1267 | struct v4l2_frequency *f) | |
1268 | { | |
1269 | struct cx23885_fh *fh = priv; | |
1270 | struct cx23885_dev *dev = fh->dev; | |
1271 | ||
1272 | if (unlikely(UNSET == dev->tuner_type)) | |
1273 | return -EINVAL; | |
1274 | ||
1275 | /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ | |
1276 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; | |
1277 | f->frequency = dev->freq; | |
1278 | ||
0d5a19f1 | 1279 | call_all(dev, tuner, g_frequency, f); |
e47f30b1 ST |
1280 | |
1281 | return 0; | |
1282 | } | |
1283 | ||
d45b9b8a | 1284 | static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) |
e47f30b1 ST |
1285 | { |
1286 | if (unlikely(UNSET == dev->tuner_type)) | |
1287 | return -EINVAL; | |
1288 | if (unlikely(f->tuner != 0)) | |
1289 | return -EINVAL; | |
1290 | ||
1291 | mutex_lock(&dev->lock); | |
1292 | dev->freq = f->frequency; | |
1293 | ||
0d5a19f1 | 1294 | call_all(dev, tuner, s_frequency, f); |
e47f30b1 ST |
1295 | |
1296 | /* When changing channels it is required to reset TVAUDIO */ | |
1297 | msleep(10); | |
1298 | ||
1299 | mutex_unlock(&dev->lock); | |
1300 | ||
1301 | return 0; | |
1302 | } | |
e47f30b1 ST |
1303 | |
1304 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1305 | struct v4l2_frequency *f) | |
1306 | { | |
1307 | struct cx23885_fh *fh = priv; | |
1308 | struct cx23885_dev *dev = fh->dev; | |
1309 | ||
1310 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) | |
1311 | return -EINVAL; | |
1312 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
1313 | return -EINVAL; | |
1314 | ||
1315 | return | |
1316 | cx23885_set_freq(dev, f); | |
1317 | } | |
1318 | ||
1319 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1320 | static int vidioc_g_register(struct file *file, void *fh, | |
aecde8b5 | 1321 | struct v4l2_dbg_register *reg) |
e47f30b1 ST |
1322 | { |
1323 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1324 | ||
aecde8b5 | 1325 | if (!v4l2_chip_match_host(®->match)) |
a19602f2 ST |
1326 | return -EINVAL; |
1327 | ||
0d5a19f1 | 1328 | call_all(dev, core, g_register, reg); |
e47f30b1 ST |
1329 | |
1330 | return 0; | |
1331 | } | |
1332 | ||
1333 | static int vidioc_s_register(struct file *file, void *fh, | |
aecde8b5 | 1334 | struct v4l2_dbg_register *reg) |
e47f30b1 ST |
1335 | { |
1336 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1337 | ||
aecde8b5 | 1338 | if (!v4l2_chip_match_host(®->match)) |
e47f30b1 ST |
1339 | return -EINVAL; |
1340 | ||
0d5a19f1 | 1341 | call_all(dev, core, s_register, reg); |
e47f30b1 | 1342 | |
e47f30b1 ST |
1343 | return 0; |
1344 | } | |
a19602f2 | 1345 | #endif |
e47f30b1 ST |
1346 | |
1347 | /* ----------------------------------------------------------- */ | |
1348 | ||
1349 | static void cx23885_vid_timeout(unsigned long data) | |
1350 | { | |
1351 | struct cx23885_dev *dev = (struct cx23885_dev *)data; | |
1352 | struct cx23885_dmaqueue *q = &dev->vidq; | |
1353 | struct cx23885_buffer *buf; | |
1354 | unsigned long flags; | |
1355 | ||
1356 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1357 | ||
1358 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1359 | ||
1360 | spin_lock_irqsave(&dev->slock, flags); | |
1361 | while (!list_empty(&q->active)) { | |
1362 | buf = list_entry(q->active.next, | |
1363 | struct cx23885_buffer, vb.queue); | |
1364 | list_del(&buf->vb.queue); | |
1365 | buf->vb.state = VIDEOBUF_ERROR; | |
1366 | wake_up(&buf->vb.done); | |
1367 | printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n", | |
1368 | dev->name, buf, buf->vb.i, | |
1369 | (unsigned long)buf->risc.dma); | |
1370 | } | |
1371 | cx23885_restart_video_queue(dev, q); | |
1372 | spin_unlock_irqrestore(&dev->slock, flags); | |
1373 | } | |
1374 | ||
1375 | int cx23885_video_irq(struct cx23885_dev *dev, u32 status) | |
1376 | { | |
1377 | u32 mask, count; | |
1378 | int handled = 0; | |
1379 | ||
1380 | mask = cx_read(VID_A_INT_MSK); | |
1381 | if (0 == (status & mask)) | |
1382 | return handled; | |
1383 | cx_write(VID_A_INT_STAT, status); | |
1384 | ||
22b4e64f | 1385 | dprintk(2, "%s() status = 0x%08x\n", __func__, status); |
e47f30b1 ST |
1386 | /* risc op code error */ |
1387 | if (status & (1 << 16)) { | |
1388 | printk(KERN_WARNING "%s/0: video risc op code error\n", | |
1389 | dev->name); | |
1390 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1391 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1392 | } | |
1393 | ||
1394 | /* risc1 y */ | |
1395 | if (status & 0x01) { | |
1396 | spin_lock(&dev->slock); | |
1397 | count = cx_read(VID_A_GPCNT); | |
1398 | cx23885_video_wakeup(dev, &dev->vidq, count); | |
1399 | spin_unlock(&dev->slock); | |
1400 | handled++; | |
1401 | } | |
1402 | /* risc2 y */ | |
1403 | if (status & 0x10) { | |
1404 | dprintk(2, "stopper video\n"); | |
1405 | spin_lock(&dev->slock); | |
1406 | cx23885_restart_video_queue(dev, &dev->vidq); | |
1407 | spin_unlock(&dev->slock); | |
1408 | handled++; | |
1409 | } | |
1410 | ||
1411 | return handled; | |
1412 | } | |
1413 | ||
e47f30b1 ST |
1414 | /* ----------------------------------------------------------- */ |
1415 | /* exported stuff */ | |
1416 | ||
bec43661 | 1417 | static const struct v4l2_file_operations video_fops = { |
e47f30b1 ST |
1418 | .owner = THIS_MODULE, |
1419 | .open = video_open, | |
1420 | .release = video_release, | |
1421 | .read = video_read, | |
1422 | .poll = video_poll, | |
1423 | .mmap = video_mmap, | |
1424 | .ioctl = video_ioctl2, | |
e47f30b1 ST |
1425 | }; |
1426 | ||
a399810c | 1427 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
e47f30b1 | 1428 | .vidioc_querycap = vidioc_querycap, |
78b526a4 HV |
1429 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1430 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1431 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1432 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1433 | .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, | |
1434 | .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, | |
1435 | .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, | |
e47f30b1 ST |
1436 | .vidioc_reqbufs = vidioc_reqbufs, |
1437 | .vidioc_querybuf = vidioc_querybuf, | |
1438 | .vidioc_qbuf = vidioc_qbuf, | |
1439 | .vidioc_dqbuf = vidioc_dqbuf, | |
1440 | .vidioc_s_std = vidioc_s_std, | |
1441 | .vidioc_enum_input = vidioc_enum_input, | |
1442 | .vidioc_g_input = vidioc_g_input, | |
1443 | .vidioc_s_input = vidioc_s_input, | |
1444 | .vidioc_queryctrl = vidioc_queryctrl, | |
1445 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1446 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1447 | .vidioc_streamon = vidioc_streamon, | |
1448 | .vidioc_streamoff = vidioc_streamoff, | |
1449 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1450 | .vidiocgmbuf = vidiocgmbuf, | |
1451 | #endif | |
1452 | .vidioc_g_tuner = vidioc_g_tuner, | |
1453 | .vidioc_s_tuner = vidioc_s_tuner, | |
1454 | .vidioc_g_frequency = vidioc_g_frequency, | |
1455 | .vidioc_s_frequency = vidioc_s_frequency, | |
1456 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1457 | .vidioc_g_register = vidioc_g_register, | |
1458 | .vidioc_s_register = vidioc_s_register, | |
1459 | #endif | |
a399810c HV |
1460 | }; |
1461 | ||
1462 | static struct video_device cx23885_vbi_template; | |
1463 | static struct video_device cx23885_video_template = { | |
1464 | .name = "cx23885-video", | |
a399810c HV |
1465 | .fops = &video_fops, |
1466 | .minor = -1, | |
1467 | .ioctl_ops = &video_ioctl_ops, | |
e47f30b1 ST |
1468 | .tvnorms = CX23885_NORMS, |
1469 | .current_norm = V4L2_STD_NTSC_M, | |
1470 | }; | |
1471 | ||
bec43661 | 1472 | static const struct v4l2_file_operations radio_fops = { |
e47f30b1 ST |
1473 | .owner = THIS_MODULE, |
1474 | .open = video_open, | |
1475 | .release = video_release, | |
1476 | .ioctl = video_ioctl2, | |
e47f30b1 ST |
1477 | }; |
1478 | ||
1479 | ||
1480 | void cx23885_video_unregister(struct cx23885_dev *dev) | |
1481 | { | |
22b4e64f | 1482 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1483 | cx_clear(PCI_INT_MSK, 1); |
1484 | ||
1485 | if (dev->video_dev) { | |
1486 | if (-1 != dev->video_dev->minor) | |
1487 | video_unregister_device(dev->video_dev); | |
1488 | else | |
1489 | video_device_release(dev->video_dev); | |
1490 | dev->video_dev = NULL; | |
1491 | ||
1492 | btcx_riscmem_free(dev->pci, &dev->vidq.stopper); | |
1493 | } | |
1494 | } | |
1495 | ||
1496 | int cx23885_video_register(struct cx23885_dev *dev) | |
1497 | { | |
1498 | int err; | |
1499 | ||
22b4e64f | 1500 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1501 | spin_lock_init(&dev->slock); |
1502 | ||
1503 | /* Initialize VBI template */ | |
1504 | memcpy(&cx23885_vbi_template, &cx23885_video_template, | |
1505 | sizeof(cx23885_vbi_template)); | |
1506 | strcpy(cx23885_vbi_template.name, "cx23885-vbi"); | |
e47f30b1 ST |
1507 | |
1508 | dev->tvnorm = cx23885_video_template.current_norm; | |
1509 | ||
1510 | /* init video dma queues */ | |
1511 | INIT_LIST_HEAD(&dev->vidq.active); | |
1512 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1513 | dev->vidq.timeout.function = cx23885_vid_timeout; | |
1514 | dev->vidq.timeout.data = (unsigned long)dev; | |
1515 | init_timer(&dev->vidq.timeout); | |
1516 | cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, | |
1517 | VID_A_DMA_CTL, 0x11, 0x00); | |
1518 | ||
a19602f2 | 1519 | /* Don't enable VBI yet */ |
e47f30b1 ST |
1520 | cx_set(PCI_INT_MSK, 1); |
1521 | ||
0d5a19f1 HV |
1522 | if (TUNER_ABSENT != dev->tuner_type) { |
1523 | struct v4l2_subdev *sd = NULL; | |
1524 | ||
1525 | if (dev->tuner_addr) | |
1526 | sd = v4l2_i2c_new_subdev(&dev->i2c_bus[1].i2c_adap, | |
1527 | "tuner", "tuner", dev->tuner_addr); | |
1528 | else | |
1529 | sd = v4l2_i2c_new_probed_subdev(&dev->i2c_bus[1].i2c_adap, | |
1530 | "tuner", "tuner", v4l2_i2c_tuner_addrs(ADDRS_TV)); | |
1531 | if (sd) { | |
1532 | struct tuner_setup tun_setup; | |
1533 | ||
1534 | tun_setup.mode_mask = T_ANALOG_TV; | |
1535 | tun_setup.type = dev->tuner_type; | |
1536 | tun_setup.addr = v4l2_i2c_subdev_addr(sd); | |
1537 | ||
1538 | v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); | |
1539 | } | |
1540 | } | |
1541 | ||
e47f30b1 ST |
1542 | |
1543 | /* register v4l devices */ | |
1544 | dev->video_dev = cx23885_vdev_init(dev, dev->pci, | |
1545 | &cx23885_video_template, "video"); | |
1546 | err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, | |
1547 | video_nr[dev->nr]); | |
1548 | if (err < 0) { | |
1549 | printk(KERN_INFO "%s: can't register video device\n", | |
1550 | dev->name); | |
1551 | goto fail_unreg; | |
1552 | } | |
1553 | printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n", | |
c6330fb8 | 1554 | dev->name, dev->video_dev->num); |
e47f30b1 ST |
1555 | /* initial device configuration */ |
1556 | mutex_lock(&dev->lock); | |
1557 | cx23885_set_tvnorm(dev, dev->tvnorm); | |
1558 | init_controls(dev); | |
1559 | cx23885_video_mux(dev, 0); | |
1560 | mutex_unlock(&dev->lock); | |
1561 | ||
e47f30b1 ST |
1562 | return 0; |
1563 | ||
1564 | fail_unreg: | |
1565 | cx23885_video_unregister(dev); | |
1566 | return err; | |
1567 | } | |
1568 |