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 ST |
37 | |
38 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
39 | /* Include V4L1 specific functions. Should be removed soon */ | |
40 | #include <linux/videodev.h> | |
41 | #endif | |
42 | ||
43 | MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); | |
6d897616 | 44 | MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); |
e47f30b1 ST |
45 | MODULE_LICENSE("GPL"); |
46 | ||
47 | /* ------------------------------------------------------------------ */ | |
48 | ||
49 | static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
50 | static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
51 | static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
52 | ||
53 | module_param_array(video_nr, int, NULL, 0444); | |
54 | module_param_array(vbi_nr, int, NULL, 0444); | |
55 | module_param_array(radio_nr, int, NULL, 0444); | |
56 | ||
57 | MODULE_PARM_DESC(video_nr, "video device numbers"); | |
58 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); | |
59 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); | |
60 | ||
4513fc69 | 61 | static unsigned int video_debug; |
e47f30b1 ST |
62 | module_param(video_debug, int, 0644); |
63 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
64 | ||
4513fc69 | 65 | static unsigned int irq_debug; |
e47f30b1 ST |
66 | module_param(irq_debug, int, 0644); |
67 | MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); | |
68 | ||
69 | static unsigned int vid_limit = 16; | |
70 | module_param(vid_limit, int, 0644); | |
71 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); | |
72 | ||
73 | #define dprintk(level, fmt, arg...)\ | |
4513fc69 ST |
74 | do { if (video_debug >= level)\ |
75 | printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ | |
76 | } while (0) | |
e47f30b1 ST |
77 | |
78 | /* ------------------------------------------------------------------- */ | |
79 | /* static data */ | |
80 | ||
81 | #define FORMAT_FLAGS_PACKED 0x01 | |
82 | ||
83 | static struct cx23885_fmt formats[] = { | |
84 | { | |
85 | .name = "8 bpp, gray", | |
86 | .fourcc = V4L2_PIX_FMT_GREY, | |
87 | .depth = 8, | |
88 | .flags = FORMAT_FLAGS_PACKED, | |
89 | }, { | |
90 | .name = "15 bpp RGB, le", | |
91 | .fourcc = V4L2_PIX_FMT_RGB555, | |
92 | .depth = 16, | |
93 | .flags = FORMAT_FLAGS_PACKED, | |
94 | }, { | |
95 | .name = "15 bpp RGB, be", | |
96 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
97 | .depth = 16, | |
98 | .flags = FORMAT_FLAGS_PACKED, | |
99 | }, { | |
100 | .name = "16 bpp RGB, le", | |
101 | .fourcc = V4L2_PIX_FMT_RGB565, | |
102 | .depth = 16, | |
103 | .flags = FORMAT_FLAGS_PACKED, | |
104 | }, { | |
105 | .name = "16 bpp RGB, be", | |
106 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
107 | .depth = 16, | |
108 | .flags = FORMAT_FLAGS_PACKED, | |
109 | }, { | |
110 | .name = "24 bpp RGB, le", | |
111 | .fourcc = V4L2_PIX_FMT_BGR24, | |
112 | .depth = 24, | |
113 | .flags = FORMAT_FLAGS_PACKED, | |
114 | }, { | |
115 | .name = "32 bpp RGB, le", | |
116 | .fourcc = V4L2_PIX_FMT_BGR32, | |
117 | .depth = 32, | |
118 | .flags = FORMAT_FLAGS_PACKED, | |
119 | }, { | |
120 | .name = "32 bpp RGB, be", | |
121 | .fourcc = V4L2_PIX_FMT_RGB32, | |
122 | .depth = 32, | |
123 | .flags = FORMAT_FLAGS_PACKED, | |
124 | }, { | |
125 | .name = "4:2:2, packed, YUYV", | |
126 | .fourcc = V4L2_PIX_FMT_YUYV, | |
127 | .depth = 16, | |
128 | .flags = FORMAT_FLAGS_PACKED, | |
129 | }, { | |
130 | .name = "4:2:2, packed, UYVY", | |
131 | .fourcc = V4L2_PIX_FMT_UYVY, | |
132 | .depth = 16, | |
133 | .flags = FORMAT_FLAGS_PACKED, | |
134 | }, | |
135 | }; | |
136 | ||
137 | static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) | |
138 | { | |
139 | unsigned int i; | |
140 | ||
141 | for (i = 0; i < ARRAY_SIZE(formats); i++) | |
142 | if (formats[i].fourcc == fourcc) | |
143 | return formats+i; | |
144 | ||
22b4e64f | 145 | printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); |
e47f30b1 ST |
146 | return NULL; |
147 | } | |
148 | ||
149 | /* ------------------------------------------------------------------- */ | |
150 | ||
151 | static const struct v4l2_queryctrl no_ctl = { | |
152 | .name = "42", | |
153 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
154 | }; | |
155 | ||
156 | static struct cx23885_ctrl cx23885_ctls[] = { | |
157 | /* --- video --- */ | |
158 | { | |
159 | .v = { | |
160 | .id = V4L2_CID_BRIGHTNESS, | |
161 | .name = "Brightness", | |
162 | .minimum = 0x00, | |
163 | .maximum = 0xff, | |
164 | .step = 1, | |
165 | .default_value = 0x7f, | |
166 | .type = V4L2_CTRL_TYPE_INTEGER, | |
167 | }, | |
168 | .off = 128, | |
169 | .reg = LUMA_CTRL, | |
170 | .mask = 0x00ff, | |
171 | .shift = 0, | |
172 | }, { | |
173 | .v = { | |
174 | .id = V4L2_CID_CONTRAST, | |
175 | .name = "Contrast", | |
176 | .minimum = 0, | |
177 | .maximum = 0xff, | |
178 | .step = 1, | |
179 | .default_value = 0x3f, | |
180 | .type = V4L2_CTRL_TYPE_INTEGER, | |
181 | }, | |
182 | .off = 0, | |
183 | .reg = LUMA_CTRL, | |
184 | .mask = 0xff00, | |
185 | .shift = 8, | |
186 | }, { | |
187 | .v = { | |
188 | .id = V4L2_CID_HUE, | |
189 | .name = "Hue", | |
190 | .minimum = 0, | |
191 | .maximum = 0xff, | |
192 | .step = 1, | |
193 | .default_value = 0x7f, | |
194 | .type = V4L2_CTRL_TYPE_INTEGER, | |
195 | }, | |
196 | .off = 128, | |
197 | .reg = CHROMA_CTRL, | |
198 | .mask = 0xff0000, | |
199 | .shift = 16, | |
200 | }, { | |
201 | /* strictly, this only describes only U saturation. | |
202 | * V saturation is handled specially through code. | |
203 | */ | |
204 | .v = { | |
205 | .id = V4L2_CID_SATURATION, | |
206 | .name = "Saturation", | |
207 | .minimum = 0, | |
208 | .maximum = 0xff, | |
209 | .step = 1, | |
210 | .default_value = 0x7f, | |
211 | .type = V4L2_CTRL_TYPE_INTEGER, | |
212 | }, | |
213 | .off = 0, | |
214 | .reg = CHROMA_CTRL, | |
215 | .mask = 0x00ff, | |
216 | .shift = 0, | |
217 | }, { | |
218 | /* --- audio --- */ | |
219 | .v = { | |
220 | .id = V4L2_CID_AUDIO_MUTE, | |
221 | .name = "Mute", | |
222 | .minimum = 0, | |
223 | .maximum = 1, | |
224 | .default_value = 1, | |
225 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
226 | }, | |
227 | .reg = PATH1_CTL1, | |
228 | .mask = (0x1f << 24), | |
229 | .shift = 24, | |
230 | }, { | |
231 | .v = { | |
232 | .id = V4L2_CID_AUDIO_VOLUME, | |
233 | .name = "Volume", | |
234 | .minimum = 0, | |
235 | .maximum = 0x3f, | |
236 | .step = 1, | |
237 | .default_value = 0x3f, | |
238 | .type = V4L2_CTRL_TYPE_INTEGER, | |
239 | }, | |
240 | .reg = PATH1_VOL_CTL, | |
241 | .mask = 0xff, | |
242 | .shift = 0, | |
243 | } | |
244 | }; | |
245 | static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); | |
246 | ||
d45b9b8a | 247 | static const u32 cx23885_user_ctrls[] = { |
e47f30b1 ST |
248 | V4L2_CID_USER_CLASS, |
249 | V4L2_CID_BRIGHTNESS, | |
250 | V4L2_CID_CONTRAST, | |
251 | V4L2_CID_SATURATION, | |
252 | V4L2_CID_HUE, | |
253 | V4L2_CID_AUDIO_VOLUME, | |
254 | V4L2_CID_AUDIO_MUTE, | |
255 | 0 | |
256 | }; | |
e47f30b1 ST |
257 | |
258 | static const u32 *ctrl_classes[] = { | |
259 | cx23885_user_ctrls, | |
260 | NULL | |
261 | }; | |
262 | ||
d45b9b8a | 263 | static void cx23885_video_wakeup(struct cx23885_dev *dev, |
e47f30b1 ST |
264 | struct cx23885_dmaqueue *q, u32 count) |
265 | { | |
266 | struct cx23885_buffer *buf; | |
267 | int bc; | |
268 | ||
269 | for (bc = 0;; bc++) { | |
270 | if (list_empty(&q->active)) | |
271 | break; | |
272 | buf = list_entry(q->active.next, | |
273 | struct cx23885_buffer, vb.queue); | |
a19602f2 | 274 | |
e47f30b1 ST |
275 | /* count comes from the hw and is is 16bit wide -- |
276 | * this trick handles wrap-arounds correctly for | |
277 | * up to 32767 buffers in flight... */ | |
278 | if ((s16) (count - buf->count) < 0) | |
279 | break; | |
a19602f2 | 280 | |
e47f30b1 ST |
281 | do_gettimeofday(&buf->vb.ts); |
282 | dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, | |
283 | count, buf->count); | |
284 | buf->vb.state = VIDEOBUF_DONE; | |
285 | list_del(&buf->vb.queue); | |
286 | wake_up(&buf->vb.done); | |
287 | } | |
9c8ced51 | 288 | if (list_empty(&q->active)) |
e47f30b1 | 289 | del_timer(&q->timeout); |
9c8ced51 | 290 | else |
e47f30b1 | 291 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
e47f30b1 | 292 | if (bc != 1) |
21a78091 | 293 | printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", |
22b4e64f | 294 | __func__, bc); |
e47f30b1 ST |
295 | } |
296 | ||
d45b9b8a | 297 | static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) |
e47f30b1 ST |
298 | { |
299 | dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", | |
22b4e64f | 300 | __func__, |
e47f30b1 ST |
301 | (unsigned int)norm, |
302 | v4l2_norm_to_name(norm)); | |
303 | ||
304 | dev->tvnorm = norm; | |
305 | ||
e47f30b1 ST |
306 | /* Tell the analog tuner/demods */ |
307 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_STD, &norm); | |
308 | ||
309 | /* Tell the internal A/V decoder */ | |
310 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_STD, &norm); | |
311 | ||
312 | return 0; | |
313 | } | |
314 | ||
d45b9b8a | 315 | static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, |
e47f30b1 ST |
316 | struct pci_dev *pci, |
317 | struct video_device *template, | |
318 | char *type) | |
319 | { | |
320 | struct video_device *vfd; | |
22b4e64f | 321 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
322 | |
323 | vfd = video_device_alloc(); | |
324 | if (NULL == vfd) | |
325 | return NULL; | |
326 | *vfd = *template; | |
327 | vfd->minor = -1; | |
5e85e732 | 328 | vfd->parent = &pci->dev; |
e47f30b1 ST |
329 | vfd->release = video_device_release; |
330 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", | |
331 | dev->name, type, cx23885_boards[dev->board].name); | |
332 | return vfd; | |
333 | } | |
334 | ||
d45b9b8a | 335 | static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) |
e47f30b1 ST |
336 | { |
337 | int i; | |
338 | ||
339 | if (qctrl->id < V4L2_CID_BASE || | |
340 | qctrl->id >= V4L2_CID_LASTP1) | |
341 | return -EINVAL; | |
342 | for (i = 0; i < CX23885_CTLS; i++) | |
343 | if (cx23885_ctls[i].v.id == qctrl->id) | |
344 | break; | |
345 | if (i == CX23885_CTLS) { | |
346 | *qctrl = no_ctl; | |
347 | return 0; | |
348 | } | |
349 | *qctrl = cx23885_ctls[i].v; | |
350 | return 0; | |
351 | } | |
e47f30b1 ST |
352 | |
353 | /* ------------------------------------------------------------------- */ | |
354 | /* resource management */ | |
355 | ||
356 | static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, | |
357 | unsigned int bit) | |
358 | { | |
22b4e64f | 359 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
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 | { | |
9c8ced51 | 381 | return fh->resources & bit; |
e47f30b1 ST |
382 | } |
383 | ||
384 | static int res_locked(struct cx23885_dev *dev, unsigned int bit) | |
385 | { | |
9c8ced51 | 386 | return dev->resources & bit; |
e47f30b1 ST |
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); | |
22b4e64f | 393 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
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 | ||
d45b9b8a | 402 | static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) |
e47f30b1 ST |
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", | |
22b4e64f | 408 | __func__, |
e47f30b1 ST |
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 | } | |
e47f30b1 ST |
422 | |
423 | /* ------------------------------------------------------------------ */ | |
d45b9b8a | 424 | static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, |
e47f30b1 ST |
425 | unsigned int height, enum v4l2_field field) |
426 | { | |
22b4e64f | 427 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
428 | return 0; |
429 | } | |
430 | ||
431 | static int cx23885_start_video_dma(struct cx23885_dev *dev, | |
432 | struct cx23885_dmaqueue *q, | |
433 | struct cx23885_buffer *buf) | |
434 | { | |
22b4e64f | 435 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
436 | |
437 | /* setup fifo + format */ | |
438 | cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], | |
439 | buf->bpl, buf->risc.dma); | |
440 | cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field); | |
441 | ||
442 | /* reset counter */ | |
443 | cx_write(VID_A_GPCNT_CTL, 3); | |
444 | q->count = 1; | |
445 | ||
446 | /* enable irq */ | |
447 | cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01); | |
448 | cx_set(VID_A_INT_MSK, 0x000011); | |
449 | ||
450 | /* start dma */ | |
451 | cx_set(DEV_CNTRL2, (1<<5)); | |
452 | cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ | |
453 | ||
454 | return 0; | |
455 | } | |
456 | ||
e47f30b1 ST |
457 | |
458 | static int cx23885_restart_video_queue(struct cx23885_dev *dev, | |
459 | struct cx23885_dmaqueue *q) | |
460 | { | |
461 | struct cx23885_buffer *buf, *prev; | |
462 | struct list_head *item; | |
22b4e64f | 463 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
464 | |
465 | if (!list_empty(&q->active)) { | |
466 | buf = list_entry(q->active.next, struct cx23885_buffer, | |
467 | vb.queue); | |
468 | dprintk(2, "restart_queue [%p/%d]: restart dma\n", | |
469 | buf, buf->vb.i); | |
470 | cx23885_start_video_dma(dev, q, buf); | |
471 | list_for_each(item, &q->active) { | |
472 | buf = list_entry(item, struct cx23885_buffer, | |
473 | vb.queue); | |
474 | buf->count = q->count++; | |
475 | } | |
476 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
477 | return 0; | |
478 | } | |
479 | ||
480 | prev = NULL; | |
481 | for (;;) { | |
482 | if (list_empty(&q->queued)) | |
483 | return 0; | |
484 | buf = list_entry(q->queued.next, struct cx23885_buffer, | |
485 | vb.queue); | |
486 | if (NULL == prev) { | |
487 | list_move_tail(&buf->vb.queue, &q->active); | |
488 | cx23885_start_video_dma(dev, q, buf); | |
489 | buf->vb.state = VIDEOBUF_ACTIVE; | |
490 | buf->count = q->count++; | |
491 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
492 | dprintk(2, "[%p/%d] restart_queue - first active\n", | |
493 | buf, buf->vb.i); | |
494 | ||
495 | } else if (prev->vb.width == buf->vb.width && | |
496 | prev->vb.height == buf->vb.height && | |
497 | prev->fmt == buf->fmt) { | |
498 | list_move_tail(&buf->vb.queue, &q->active); | |
499 | buf->vb.state = VIDEOBUF_ACTIVE; | |
500 | buf->count = q->count++; | |
501 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
502 | prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ | |
503 | dprintk(2, "[%p/%d] restart_queue - move to active\n", | |
504 | buf, buf->vb.i); | |
505 | } else { | |
506 | return 0; | |
507 | } | |
508 | prev = buf; | |
509 | } | |
510 | } | |
511 | ||
512 | static int buffer_setup(struct videobuf_queue *q, unsigned int *count, | |
513 | unsigned int *size) | |
514 | { | |
515 | struct cx23885_fh *fh = q->priv_data; | |
516 | ||
517 | *size = fh->fmt->depth*fh->width*fh->height >> 3; | |
518 | if (0 == *count) | |
519 | *count = 32; | |
520 | while (*size * *count > vid_limit * 1024 * 1024) | |
521 | (*count)--; | |
522 | return 0; | |
523 | } | |
524 | ||
525 | static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, | |
526 | enum v4l2_field field) | |
527 | { | |
528 | struct cx23885_fh *fh = q->priv_data; | |
529 | struct cx23885_dev *dev = fh->dev; | |
530 | struct cx23885_buffer *buf = | |
531 | container_of(vb, struct cx23885_buffer, vb); | |
532 | int rc, init_buffer = 0; | |
533 | u32 line0_offset, line1_offset; | |
534 | struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); | |
535 | ||
536 | BUG_ON(NULL == fh->fmt); | |
537 | if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || | |
538 | fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) | |
539 | return -EINVAL; | |
540 | buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; | |
541 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
542 | return -EINVAL; | |
543 | ||
544 | if (buf->fmt != fh->fmt || | |
545 | buf->vb.width != fh->width || | |
546 | buf->vb.height != fh->height || | |
547 | buf->vb.field != field) { | |
548 | buf->fmt = fh->fmt; | |
549 | buf->vb.width = fh->width; | |
550 | buf->vb.height = fh->height; | |
551 | buf->vb.field = field; | |
552 | init_buffer = 1; | |
553 | } | |
554 | ||
555 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
556 | init_buffer = 1; | |
557 | rc = videobuf_iolock(q, &buf->vb, NULL); | |
558 | if (0 != rc) | |
559 | goto fail; | |
560 | } | |
561 | ||
562 | if (init_buffer) { | |
563 | buf->bpl = buf->vb.width * buf->fmt->depth >> 3; | |
564 | switch (buf->vb.field) { | |
565 | case V4L2_FIELD_TOP: | |
566 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
567 | dma->sglist, 0, UNSET, | |
568 | buf->bpl, 0, buf->vb.height); | |
569 | break; | |
570 | case V4L2_FIELD_BOTTOM: | |
571 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
572 | dma->sglist, UNSET, 0, | |
573 | buf->bpl, 0, buf->vb.height); | |
574 | break; | |
575 | case V4L2_FIELD_INTERLACED: | |
576 | if (dev->tvnorm & V4L2_STD_NTSC) { | |
577 | /* cx25840 transmits NTSC bottom field first */ | |
578 | dprintk(1, "%s() Creating NTSC risc\n", | |
22b4e64f | 579 | __func__); |
e47f30b1 ST |
580 | line0_offset = buf->bpl; |
581 | line1_offset = 0; | |
582 | } else { | |
583 | /* All other formats are top field first */ | |
584 | dprintk(1, "%s() Creating PAL/SECAM risc\n", | |
22b4e64f | 585 | __func__); |
e47f30b1 ST |
586 | line0_offset = 0; |
587 | line1_offset = buf->bpl; | |
588 | } | |
589 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
590 | dma->sglist, line0_offset, | |
591 | line1_offset, | |
592 | buf->bpl, buf->bpl, | |
593 | buf->vb.height >> 1); | |
594 | break; | |
595 | case V4L2_FIELD_SEQ_TB: | |
596 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
597 | dma->sglist, | |
598 | 0, buf->bpl * (buf->vb.height >> 1), | |
599 | buf->bpl, 0, | |
600 | buf->vb.height >> 1); | |
601 | break; | |
602 | case V4L2_FIELD_SEQ_BT: | |
603 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
604 | dma->sglist, | |
605 | buf->bpl * (buf->vb.height >> 1), 0, | |
606 | buf->bpl, 0, | |
607 | buf->vb.height >> 1); | |
608 | break; | |
609 | default: | |
610 | BUG(); | |
611 | } | |
612 | } | |
613 | dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", | |
614 | buf, buf->vb.i, | |
615 | fh->width, fh->height, fh->fmt->depth, fh->fmt->name, | |
616 | (unsigned long)buf->risc.dma); | |
617 | ||
618 | buf->vb.state = VIDEOBUF_PREPARED; | |
619 | return 0; | |
620 | ||
621 | fail: | |
622 | cx23885_free_buffer(q, buf); | |
623 | return rc; | |
624 | } | |
625 | ||
626 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
627 | { | |
628 | struct cx23885_buffer *buf = container_of(vb, | |
629 | struct cx23885_buffer, vb); | |
630 | struct cx23885_buffer *prev; | |
631 | struct cx23885_fh *fh = vq->priv_data; | |
632 | struct cx23885_dev *dev = fh->dev; | |
633 | struct cx23885_dmaqueue *q = &dev->vidq; | |
634 | ||
635 | /* add jump to stopper */ | |
636 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
637 | buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); | |
638 | buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ | |
639 | ||
640 | if (!list_empty(&q->queued)) { | |
641 | list_add_tail(&buf->vb.queue, &q->queued); | |
642 | buf->vb.state = VIDEOBUF_QUEUED; | |
643 | dprintk(2, "[%p/%d] buffer_queue - append to queued\n", | |
644 | buf, buf->vb.i); | |
645 | ||
646 | } else if (list_empty(&q->active)) { | |
647 | list_add_tail(&buf->vb.queue, &q->active); | |
648 | cx23885_start_video_dma(dev, q, buf); | |
649 | buf->vb.state = VIDEOBUF_ACTIVE; | |
650 | buf->count = q->count++; | |
651 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
652 | dprintk(2, "[%p/%d] buffer_queue - first active\n", | |
653 | buf, buf->vb.i); | |
654 | ||
655 | } else { | |
656 | prev = list_entry(q->active.prev, struct cx23885_buffer, | |
657 | vb.queue); | |
658 | if (prev->vb.width == buf->vb.width && | |
659 | prev->vb.height == buf->vb.height && | |
660 | prev->fmt == buf->fmt) { | |
661 | list_add_tail(&buf->vb.queue, &q->active); | |
662 | buf->vb.state = VIDEOBUF_ACTIVE; | |
663 | buf->count = q->count++; | |
664 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
665 | /* 64 bit bits 63-32 */ | |
666 | prev->risc.jmp[2] = cpu_to_le32(0); | |
667 | dprintk(2, "[%p/%d] buffer_queue - append to active\n", | |
668 | buf, buf->vb.i); | |
669 | ||
670 | } else { | |
671 | list_add_tail(&buf->vb.queue, &q->queued); | |
672 | buf->vb.state = VIDEOBUF_QUEUED; | |
673 | dprintk(2, "[%p/%d] buffer_queue - first queued\n", | |
674 | buf, buf->vb.i); | |
675 | } | |
676 | } | |
677 | } | |
678 | ||
679 | static void buffer_release(struct videobuf_queue *q, | |
680 | struct videobuf_buffer *vb) | |
681 | { | |
682 | struct cx23885_buffer *buf = container_of(vb, | |
683 | struct cx23885_buffer, vb); | |
684 | ||
685 | cx23885_free_buffer(q, buf); | |
686 | } | |
687 | ||
688 | static struct videobuf_queue_ops cx23885_video_qops = { | |
689 | .buf_setup = buffer_setup, | |
690 | .buf_prepare = buffer_prepare, | |
691 | .buf_queue = buffer_queue, | |
692 | .buf_release = buffer_release, | |
693 | }; | |
694 | ||
695 | static struct videobuf_queue *get_queue(struct cx23885_fh *fh) | |
696 | { | |
697 | switch (fh->type) { | |
698 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
699 | return &fh->vidq; | |
700 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
701 | return &fh->vbiq; | |
702 | default: | |
703 | BUG(); | |
704 | return NULL; | |
705 | } | |
706 | } | |
707 | ||
708 | static int get_resource(struct cx23885_fh *fh) | |
709 | { | |
710 | switch (fh->type) { | |
711 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
712 | return RESOURCE_VIDEO; | |
713 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
714 | return RESOURCE_VBI; | |
715 | default: | |
716 | BUG(); | |
717 | return 0; | |
718 | } | |
719 | } | |
720 | ||
bec43661 | 721 | static int video_open(struct file *file) |
e47f30b1 | 722 | { |
bec43661 | 723 | int minor = video_devdata(file)->minor; |
e47f30b1 ST |
724 | struct cx23885_dev *h, *dev = NULL; |
725 | struct cx23885_fh *fh; | |
726 | struct list_head *list; | |
727 | enum v4l2_buf_type type = 0; | |
728 | int radio = 0; | |
729 | ||
d56dc612 | 730 | lock_kernel(); |
e47f30b1 ST |
731 | list_for_each(list, &cx23885_devlist) { |
732 | h = list_entry(list, struct cx23885_dev, devlist); | |
cd8f894e AW |
733 | if (h->video_dev && |
734 | h->video_dev->minor == minor) { | |
e47f30b1 ST |
735 | dev = h; |
736 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
737 | } | |
738 | if (h->vbi_dev && | |
cd8f894e | 739 | h->vbi_dev->minor == minor) { |
e47f30b1 ST |
740 | dev = h; |
741 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
742 | } | |
743 | if (h->radio_dev && | |
744 | h->radio_dev->minor == minor) { | |
745 | radio = 1; | |
746 | dev = h; | |
747 | } | |
748 | } | |
d56dc612 HV |
749 | if (NULL == dev) { |
750 | unlock_kernel(); | |
e47f30b1 | 751 | return -ENODEV; |
d56dc612 | 752 | } |
e47f30b1 ST |
753 | |
754 | dprintk(1, "open minor=%d radio=%d type=%s\n", | |
755 | minor, radio, v4l2_type_names[type]); | |
756 | ||
757 | /* allocate + initialize per filehandle data */ | |
758 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); | |
d56dc612 HV |
759 | if (NULL == fh) { |
760 | unlock_kernel(); | |
e47f30b1 | 761 | return -ENOMEM; |
d56dc612 | 762 | } |
e47f30b1 ST |
763 | file->private_data = fh; |
764 | fh->dev = dev; | |
765 | fh->radio = radio; | |
766 | fh->type = type; | |
767 | fh->width = 320; | |
768 | fh->height = 240; | |
769 | fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); | |
770 | ||
0705135e GL |
771 | videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, |
772 | &dev->pci->dev, &dev->slock, | |
e47f30b1 ST |
773 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
774 | V4L2_FIELD_INTERLACED, | |
775 | sizeof(struct cx23885_buffer), | |
776 | fh); | |
777 | ||
778 | dprintk(1, "post videobuf_queue_init()\n"); | |
779 | ||
d56dc612 | 780 | unlock_kernel(); |
e47f30b1 ST |
781 | |
782 | return 0; | |
783 | } | |
784 | ||
785 | static ssize_t video_read(struct file *file, char __user *data, | |
786 | size_t count, loff_t *ppos) | |
787 | { | |
788 | struct cx23885_fh *fh = file->private_data; | |
789 | ||
790 | switch (fh->type) { | |
791 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
792 | if (res_locked(fh->dev, RESOURCE_VIDEO)) | |
793 | return -EBUSY; | |
794 | return videobuf_read_one(&fh->vidq, data, count, ppos, | |
795 | file->f_flags & O_NONBLOCK); | |
796 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
797 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
798 | return -EBUSY; | |
799 | return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, | |
800 | file->f_flags & O_NONBLOCK); | |
801 | default: | |
802 | BUG(); | |
803 | return 0; | |
804 | } | |
805 | } | |
806 | ||
807 | static unsigned int video_poll(struct file *file, | |
808 | struct poll_table_struct *wait) | |
809 | { | |
810 | struct cx23885_fh *fh = file->private_data; | |
811 | struct cx23885_buffer *buf; | |
812 | ||
813 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { | |
814 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
815 | return POLLERR; | |
816 | return videobuf_poll_stream(file, &fh->vbiq, wait); | |
817 | } | |
818 | ||
819 | if (res_check(fh, RESOURCE_VIDEO)) { | |
820 | /* streaming capture */ | |
821 | if (list_empty(&fh->vidq.stream)) | |
822 | return POLLERR; | |
823 | buf = list_entry(fh->vidq.stream.next, | |
824 | struct cx23885_buffer, vb.stream); | |
825 | } else { | |
826 | /* read() capture */ | |
827 | buf = (struct cx23885_buffer *)fh->vidq.read_buf; | |
828 | if (NULL == buf) | |
829 | return POLLERR; | |
830 | } | |
831 | poll_wait(file, &buf->vb.done, wait); | |
832 | if (buf->vb.state == VIDEOBUF_DONE || | |
833 | buf->vb.state == VIDEOBUF_ERROR) | |
834 | return POLLIN|POLLRDNORM; | |
835 | return 0; | |
836 | } | |
837 | ||
bec43661 | 838 | static int video_release(struct file *file) |
e47f30b1 ST |
839 | { |
840 | struct cx23885_fh *fh = file->private_data; | |
841 | struct cx23885_dev *dev = fh->dev; | |
842 | ||
843 | /* turn off overlay */ | |
844 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
845 | /* FIXME */ | |
846 | res_free(dev, fh, RESOURCE_OVERLAY); | |
847 | } | |
848 | ||
849 | /* stop video capture */ | |
850 | if (res_check(fh, RESOURCE_VIDEO)) { | |
851 | videobuf_queue_cancel(&fh->vidq); | |
852 | res_free(dev, fh, RESOURCE_VIDEO); | |
853 | } | |
854 | if (fh->vidq.read_buf) { | |
855 | buffer_release(&fh->vidq, fh->vidq.read_buf); | |
856 | kfree(fh->vidq.read_buf); | |
857 | } | |
858 | ||
859 | /* stop vbi capture */ | |
860 | if (res_check(fh, RESOURCE_VBI)) { | |
861 | if (fh->vbiq.streaming) | |
862 | videobuf_streamoff(&fh->vbiq); | |
863 | if (fh->vbiq.reading) | |
864 | videobuf_read_stop(&fh->vbiq); | |
865 | res_free(dev, fh, RESOURCE_VBI); | |
866 | } | |
867 | ||
868 | videobuf_mmap_free(&fh->vidq); | |
869 | file->private_data = NULL; | |
870 | kfree(fh); | |
871 | ||
a19602f2 ST |
872 | /* We are not putting the tuner to sleep here on exit, because |
873 | * we want to use the mpeg encoder in another session to capture | |
874 | * tuner video. Closing this will result in no video to the encoder. | |
875 | */ | |
e47f30b1 ST |
876 | |
877 | return 0; | |
878 | } | |
879 | ||
880 | static int video_mmap(struct file *file, struct vm_area_struct *vma) | |
881 | { | |
882 | struct cx23885_fh *fh = file->private_data; | |
883 | ||
884 | return videobuf_mmap_mapper(get_queue(fh), vma); | |
885 | } | |
886 | ||
887 | /* ------------------------------------------------------------------ */ | |
888 | /* VIDEO CTRL IOCTLS */ | |
889 | ||
9c8ced51 ST |
890 | static int cx23885_get_control(struct cx23885_dev *dev, |
891 | struct v4l2_control *ctl) | |
e47f30b1 | 892 | { |
22b4e64f | 893 | dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); |
e47f30b1 ST |
894 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl); |
895 | return 0; | |
896 | } | |
e47f30b1 | 897 | |
9c8ced51 ST |
898 | static int cx23885_set_control(struct cx23885_dev *dev, |
899 | struct v4l2_control *ctl) | |
e47f30b1 ST |
900 | { |
901 | dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)" | |
22b4e64f | 902 | " (disabled - no action)\n", __func__); |
e47f30b1 ST |
903 | return 0; |
904 | } | |
e47f30b1 ST |
905 | |
906 | static void init_controls(struct cx23885_dev *dev) | |
907 | { | |
908 | struct v4l2_control ctrl; | |
909 | int i; | |
910 | ||
911 | for (i = 0; i < CX23885_CTLS; i++) { | |
912 | ctrl.id = cx23885_ctls[i].v.id; | |
913 | ctrl.value = cx23885_ctls[i].v.default_value; | |
914 | ||
915 | cx23885_set_control(dev, &ctrl); | |
916 | } | |
917 | } | |
918 | ||
919 | /* ------------------------------------------------------------------ */ | |
920 | /* VIDEO IOCTLS */ | |
921 | ||
78b526a4 | 922 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
923 | struct v4l2_format *f) |
924 | { | |
925 | struct cx23885_fh *fh = priv; | |
926 | ||
927 | f->fmt.pix.width = fh->width; | |
928 | f->fmt.pix.height = fh->height; | |
929 | f->fmt.pix.field = fh->vidq.field; | |
930 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
931 | f->fmt.pix.bytesperline = | |
932 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
933 | f->fmt.pix.sizeimage = | |
934 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
935 | ||
936 | return 0; | |
937 | } | |
938 | ||
78b526a4 | 939 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
940 | struct v4l2_format *f) |
941 | { | |
942 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
943 | struct cx23885_fmt *fmt; | |
944 | enum v4l2_field field; | |
945 | unsigned int maxw, maxh; | |
946 | ||
947 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
948 | if (NULL == fmt) | |
949 | return -EINVAL; | |
950 | ||
951 | field = f->fmt.pix.field; | |
952 | maxw = norm_maxw(dev->tvnorm); | |
953 | maxh = norm_maxh(dev->tvnorm); | |
954 | ||
955 | if (V4L2_FIELD_ANY == field) { | |
956 | field = (f->fmt.pix.height > maxh/2) | |
957 | ? V4L2_FIELD_INTERLACED | |
958 | : V4L2_FIELD_BOTTOM; | |
959 | } | |
960 | ||
961 | switch (field) { | |
962 | case V4L2_FIELD_TOP: | |
963 | case V4L2_FIELD_BOTTOM: | |
964 | maxh = maxh / 2; | |
965 | break; | |
966 | case V4L2_FIELD_INTERLACED: | |
967 | break; | |
968 | default: | |
969 | return -EINVAL; | |
970 | } | |
971 | ||
972 | f->fmt.pix.field = field; | |
973 | if (f->fmt.pix.height < 32) | |
974 | f->fmt.pix.height = 32; | |
975 | if (f->fmt.pix.height > maxh) | |
976 | f->fmt.pix.height = maxh; | |
977 | if (f->fmt.pix.width < 48) | |
978 | f->fmt.pix.width = 48; | |
979 | if (f->fmt.pix.width > maxw) | |
980 | f->fmt.pix.width = maxw; | |
981 | f->fmt.pix.width &= ~0x03; | |
982 | f->fmt.pix.bytesperline = | |
983 | (f->fmt.pix.width * fmt->depth) >> 3; | |
984 | f->fmt.pix.sizeimage = | |
985 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
986 | ||
987 | return 0; | |
988 | } | |
989 | ||
78b526a4 | 990 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
991 | struct v4l2_format *f) |
992 | { | |
993 | struct cx23885_fh *fh = priv; | |
994 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
995 | int err; | |
996 | ||
22b4e64f | 997 | dprintk(2, "%s()\n", __func__); |
78b526a4 | 998 | err = vidioc_try_fmt_vid_cap(file, priv, f); |
e47f30b1 ST |
999 | |
1000 | if (0 != err) | |
1001 | return err; | |
1002 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1003 | fh->width = f->fmt.pix.width; | |
1004 | fh->height = f->fmt.pix.height; | |
1005 | fh->vidq.field = f->fmt.pix.field; | |
22b4e64f | 1006 | dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, |
e47f30b1 ST |
1007 | fh->width, fh->height, fh->vidq.field); |
1008 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_FMT, f); | |
1009 | return 0; | |
1010 | } | |
1011 | ||
1012 | static int vidioc_querycap(struct file *file, void *priv, | |
1013 | struct v4l2_capability *cap) | |
1014 | { | |
1015 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1016 | ||
1017 | strcpy(cap->driver, "cx23885"); | |
1018 | strlcpy(cap->card, cx23885_boards[dev->board].name, | |
1019 | sizeof(cap->card)); | |
1020 | sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); | |
1021 | cap->version = CX23885_VERSION_CODE; | |
1022 | cap->capabilities = | |
1023 | V4L2_CAP_VIDEO_CAPTURE | | |
1024 | V4L2_CAP_READWRITE | | |
1025 | V4L2_CAP_STREAMING | | |
1026 | V4L2_CAP_VBI_CAPTURE; | |
1027 | if (UNSET != dev->tuner_type) | |
1028 | cap->capabilities |= V4L2_CAP_TUNER; | |
1029 | return 0; | |
1030 | } | |
1031 | ||
78b526a4 | 1032 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
1033 | struct v4l2_fmtdesc *f) |
1034 | { | |
1035 | if (unlikely(f->index >= ARRAY_SIZE(formats))) | |
1036 | return -EINVAL; | |
1037 | ||
1038 | strlcpy(f->description, formats[f->index].name, | |
1039 | sizeof(f->description)); | |
1040 | f->pixelformat = formats[f->index].fourcc; | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1046 | static int vidiocgmbuf(struct file *file, void *priv, | |
1047 | struct video_mbuf *mbuf) | |
1048 | { | |
1049 | struct cx23885_fh *fh = priv; | |
1050 | struct videobuf_queue *q; | |
1051 | struct v4l2_requestbuffers req; | |
1052 | unsigned int i; | |
1053 | int err; | |
1054 | ||
1055 | q = get_queue(fh); | |
1056 | memset(&req, 0, sizeof(req)); | |
1057 | req.type = q->type; | |
1058 | req.count = 8; | |
1059 | req.memory = V4L2_MEMORY_MMAP; | |
1060 | err = videobuf_reqbufs(q, &req); | |
1061 | if (err < 0) | |
1062 | return err; | |
1063 | ||
1064 | mbuf->frames = req.count; | |
1065 | mbuf->size = 0; | |
1066 | for (i = 0; i < mbuf->frames; i++) { | |
1067 | mbuf->offsets[i] = q->bufs[i]->boff; | |
1068 | mbuf->size += q->bufs[i]->bsize; | |
1069 | } | |
1070 | return 0; | |
1071 | } | |
1072 | #endif | |
1073 | ||
1074 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1075 | struct v4l2_requestbuffers *p) | |
1076 | { | |
1077 | struct cx23885_fh *fh = priv; | |
9c8ced51 | 1078 | return videobuf_reqbufs(get_queue(fh), p); |
e47f30b1 ST |
1079 | } |
1080 | ||
1081 | static int vidioc_querybuf(struct file *file, void *priv, | |
1082 | struct v4l2_buffer *p) | |
1083 | { | |
1084 | struct cx23885_fh *fh = priv; | |
9c8ced51 | 1085 | return videobuf_querybuf(get_queue(fh), p); |
e47f30b1 ST |
1086 | } |
1087 | ||
1088 | static int vidioc_qbuf(struct file *file, void *priv, | |
1089 | struct v4l2_buffer *p) | |
1090 | { | |
1091 | struct cx23885_fh *fh = priv; | |
9c8ced51 | 1092 | return videobuf_qbuf(get_queue(fh), p); |
e47f30b1 ST |
1093 | } |
1094 | ||
1095 | static int vidioc_dqbuf(struct file *file, void *priv, | |
1096 | struct v4l2_buffer *p) | |
1097 | { | |
1098 | struct cx23885_fh *fh = priv; | |
9c8ced51 ST |
1099 | return videobuf_dqbuf(get_queue(fh), p, |
1100 | file->f_flags & O_NONBLOCK); | |
e47f30b1 ST |
1101 | } |
1102 | ||
1103 | static int vidioc_streamon(struct file *file, void *priv, | |
1104 | enum v4l2_buf_type i) | |
1105 | { | |
1106 | struct cx23885_fh *fh = priv; | |
1107 | struct cx23885_dev *dev = fh->dev; | |
22b4e64f | 1108 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1109 | |
1110 | if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) | |
1111 | return -EINVAL; | |
1112 | if (unlikely(i != fh->type)) | |
1113 | return -EINVAL; | |
1114 | ||
1115 | if (unlikely(!res_get(dev, fh, get_resource(fh)))) | |
1116 | return -EBUSY; | |
1117 | return videobuf_streamon(get_queue(fh)); | |
1118 | } | |
1119 | ||
1120 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1121 | { | |
1122 | struct cx23885_fh *fh = priv; | |
1123 | struct cx23885_dev *dev = fh->dev; | |
1124 | int err, res; | |
22b4e64f | 1125 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1126 | |
1127 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1128 | return -EINVAL; | |
1129 | if (i != fh->type) | |
1130 | return -EINVAL; | |
1131 | ||
1132 | res = get_resource(fh); | |
1133 | err = videobuf_streamoff(get_queue(fh)); | |
1134 | if (err < 0) | |
1135 | return err; | |
1136 | res_free(dev, fh, res); | |
1137 | return 0; | |
1138 | } | |
1139 | ||
1140 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) | |
1141 | { | |
1142 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
22b4e64f | 1143 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1144 | |
1145 | mutex_lock(&dev->lock); | |
1146 | cx23885_set_tvnorm(dev, *tvnorms); | |
1147 | mutex_unlock(&dev->lock); | |
1148 | ||
1149 | return 0; | |
1150 | } | |
1151 | ||
d45b9b8a | 1152 | static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) |
e47f30b1 ST |
1153 | { |
1154 | static const char *iname[] = { | |
1155 | [CX23885_VMUX_COMPOSITE1] = "Composite1", | |
1156 | [CX23885_VMUX_COMPOSITE2] = "Composite2", | |
1157 | [CX23885_VMUX_COMPOSITE3] = "Composite3", | |
1158 | [CX23885_VMUX_COMPOSITE4] = "Composite4", | |
1159 | [CX23885_VMUX_SVIDEO] = "S-Video", | |
1160 | [CX23885_VMUX_TELEVISION] = "Television", | |
1161 | [CX23885_VMUX_CABLE] = "Cable TV", | |
1162 | [CX23885_VMUX_DVB] = "DVB", | |
1163 | [CX23885_VMUX_DEBUG] = "for debug only", | |
1164 | }; | |
1165 | unsigned int n; | |
22b4e64f | 1166 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1167 | |
1168 | n = i->index; | |
1169 | if (n >= 4) | |
1170 | return -EINVAL; | |
1171 | ||
1172 | if (0 == INPUT(n)->type) | |
1173 | return -EINVAL; | |
1174 | ||
1175 | memset(i, 0, sizeof(*i)); | |
1176 | i->index = n; | |
1177 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1178 | strcpy(i->name, iname[INPUT(n)->type]); | |
1179 | if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || | |
1180 | (CX23885_VMUX_CABLE == INPUT(n)->type)) | |
1181 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1182 | i->std = CX23885_NORMS; | |
1183 | return 0; | |
1184 | } | |
e47f30b1 ST |
1185 | |
1186 | static int vidioc_enum_input(struct file *file, void *priv, | |
1187 | struct v4l2_input *i) | |
1188 | { | |
1189 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
22b4e64f | 1190 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1191 | return cx23885_enum_input(dev, i); |
1192 | } | |
1193 | ||
1194 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1195 | { | |
1196 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1197 | ||
1198 | *i = dev->input; | |
22b4e64f | 1199 | dprintk(1, "%s() returns %d\n", __func__, *i); |
e47f30b1 ST |
1200 | return 0; |
1201 | } | |
1202 | ||
1203 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1204 | { | |
1205 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1206 | ||
22b4e64f | 1207 | dprintk(1, "%s(%d)\n", __func__, i); |
e47f30b1 ST |
1208 | |
1209 | if (i >= 4) { | |
22b4e64f | 1210 | dprintk(1, "%s() -EINVAL\n", __func__); |
e47f30b1 ST |
1211 | return -EINVAL; |
1212 | } | |
1213 | ||
1214 | mutex_lock(&dev->lock); | |
1215 | cx23885_video_mux(dev, i); | |
1216 | mutex_unlock(&dev->lock); | |
1217 | return 0; | |
1218 | } | |
1219 | ||
1220 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1221 | struct v4l2_queryctrl *qctrl) | |
1222 | { | |
1223 | qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); | |
1224 | if (unlikely(qctrl->id == 0)) | |
1225 | return -EINVAL; | |
1226 | return cx23885_ctrl_query(qctrl); | |
1227 | } | |
1228 | ||
1229 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1230 | struct v4l2_control *ctl) | |
1231 | { | |
1232 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1233 | ||
1234 | return cx23885_get_control(dev, ctl); | |
1235 | } | |
1236 | ||
1237 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1238 | struct v4l2_control *ctl) | |
1239 | { | |
1240 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1241 | ||
1242 | return cx23885_set_control(dev, ctl); | |
1243 | } | |
1244 | ||
1245 | static int vidioc_g_tuner(struct file *file, void *priv, | |
1246 | struct v4l2_tuner *t) | |
1247 | { | |
1248 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1249 | ||
1250 | if (unlikely(UNSET == dev->tuner_type)) | |
1251 | return -EINVAL; | |
1252 | if (0 != t->index) | |
1253 | return -EINVAL; | |
1254 | ||
1255 | strcpy(t->name, "Television"); | |
1256 | t->type = V4L2_TUNER_ANALOG_TV; | |
1257 | t->capability = V4L2_TUNER_CAP_NORM; | |
1258 | t->rangehigh = 0xffffffffUL; | |
1259 | t->signal = 0xffff ; /* LOCKED */ | |
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1264 | struct v4l2_tuner *t) | |
1265 | { | |
1266 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1267 | ||
1268 | if (UNSET == dev->tuner_type) | |
1269 | return -EINVAL; | |
1270 | if (0 != t->index) | |
1271 | return -EINVAL; | |
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1276 | struct v4l2_frequency *f) | |
1277 | { | |
1278 | struct cx23885_fh *fh = priv; | |
1279 | struct cx23885_dev *dev = fh->dev; | |
1280 | ||
1281 | if (unlikely(UNSET == dev->tuner_type)) | |
1282 | return -EINVAL; | |
1283 | ||
1284 | /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ | |
1285 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; | |
1286 | f->frequency = dev->freq; | |
1287 | ||
1288 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f); | |
1289 | ||
1290 | return 0; | |
1291 | } | |
1292 | ||
d45b9b8a | 1293 | static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) |
e47f30b1 ST |
1294 | { |
1295 | if (unlikely(UNSET == dev->tuner_type)) | |
1296 | return -EINVAL; | |
1297 | if (unlikely(f->tuner != 0)) | |
1298 | return -EINVAL; | |
1299 | ||
1300 | mutex_lock(&dev->lock); | |
1301 | dev->freq = f->frequency; | |
1302 | ||
1303 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, f); | |
1304 | ||
1305 | /* When changing channels it is required to reset TVAUDIO */ | |
1306 | msleep(10); | |
1307 | ||
1308 | mutex_unlock(&dev->lock); | |
1309 | ||
1310 | return 0; | |
1311 | } | |
e47f30b1 ST |
1312 | |
1313 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1314 | struct v4l2_frequency *f) | |
1315 | { | |
1316 | struct cx23885_fh *fh = priv; | |
1317 | struct cx23885_dev *dev = fh->dev; | |
1318 | ||
1319 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) | |
1320 | return -EINVAL; | |
1321 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
1322 | return -EINVAL; | |
1323 | ||
1324 | return | |
1325 | cx23885_set_freq(dev, f); | |
1326 | } | |
1327 | ||
1328 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1329 | static int vidioc_g_register(struct file *file, void *fh, | |
aecde8b5 | 1330 | struct v4l2_dbg_register *reg) |
e47f30b1 ST |
1331 | { |
1332 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1333 | ||
aecde8b5 | 1334 | if (!v4l2_chip_match_host(®->match)) |
a19602f2 ST |
1335 | return -EINVAL; |
1336 | ||
e47f30b1 ST |
1337 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_G_REGISTER, reg); |
1338 | ||
1339 | return 0; | |
1340 | } | |
1341 | ||
1342 | static int vidioc_s_register(struct file *file, void *fh, | |
aecde8b5 | 1343 | struct v4l2_dbg_register *reg) |
e47f30b1 ST |
1344 | { |
1345 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1346 | ||
aecde8b5 | 1347 | if (!v4l2_chip_match_host(®->match)) |
e47f30b1 ST |
1348 | return -EINVAL; |
1349 | ||
a19602f2 | 1350 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_S_REGISTER, reg); |
e47f30b1 | 1351 | |
e47f30b1 ST |
1352 | return 0; |
1353 | } | |
a19602f2 | 1354 | #endif |
e47f30b1 ST |
1355 | |
1356 | /* ----------------------------------------------------------- */ | |
1357 | ||
1358 | static void cx23885_vid_timeout(unsigned long data) | |
1359 | { | |
1360 | struct cx23885_dev *dev = (struct cx23885_dev *)data; | |
1361 | struct cx23885_dmaqueue *q = &dev->vidq; | |
1362 | struct cx23885_buffer *buf; | |
1363 | unsigned long flags; | |
1364 | ||
1365 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1366 | ||
1367 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1368 | ||
1369 | spin_lock_irqsave(&dev->slock, flags); | |
1370 | while (!list_empty(&q->active)) { | |
1371 | buf = list_entry(q->active.next, | |
1372 | struct cx23885_buffer, vb.queue); | |
1373 | list_del(&buf->vb.queue); | |
1374 | buf->vb.state = VIDEOBUF_ERROR; | |
1375 | wake_up(&buf->vb.done); | |
1376 | printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n", | |
1377 | dev->name, buf, buf->vb.i, | |
1378 | (unsigned long)buf->risc.dma); | |
1379 | } | |
1380 | cx23885_restart_video_queue(dev, q); | |
1381 | spin_unlock_irqrestore(&dev->slock, flags); | |
1382 | } | |
1383 | ||
1384 | int cx23885_video_irq(struct cx23885_dev *dev, u32 status) | |
1385 | { | |
1386 | u32 mask, count; | |
1387 | int handled = 0; | |
1388 | ||
1389 | mask = cx_read(VID_A_INT_MSK); | |
1390 | if (0 == (status & mask)) | |
1391 | return handled; | |
1392 | cx_write(VID_A_INT_STAT, status); | |
1393 | ||
22b4e64f | 1394 | dprintk(2, "%s() status = 0x%08x\n", __func__, status); |
e47f30b1 ST |
1395 | /* risc op code error */ |
1396 | if (status & (1 << 16)) { | |
1397 | printk(KERN_WARNING "%s/0: video risc op code error\n", | |
1398 | dev->name); | |
1399 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1400 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1401 | } | |
1402 | ||
1403 | /* risc1 y */ | |
1404 | if (status & 0x01) { | |
1405 | spin_lock(&dev->slock); | |
1406 | count = cx_read(VID_A_GPCNT); | |
1407 | cx23885_video_wakeup(dev, &dev->vidq, count); | |
1408 | spin_unlock(&dev->slock); | |
1409 | handled++; | |
1410 | } | |
1411 | /* risc2 y */ | |
1412 | if (status & 0x10) { | |
1413 | dprintk(2, "stopper video\n"); | |
1414 | spin_lock(&dev->slock); | |
1415 | cx23885_restart_video_queue(dev, &dev->vidq); | |
1416 | spin_unlock(&dev->slock); | |
1417 | handled++; | |
1418 | } | |
1419 | ||
1420 | return handled; | |
1421 | } | |
1422 | ||
e47f30b1 ST |
1423 | /* ----------------------------------------------------------- */ |
1424 | /* exported stuff */ | |
1425 | ||
bec43661 | 1426 | static const struct v4l2_file_operations video_fops = { |
e47f30b1 ST |
1427 | .owner = THIS_MODULE, |
1428 | .open = video_open, | |
1429 | .release = video_release, | |
1430 | .read = video_read, | |
1431 | .poll = video_poll, | |
1432 | .mmap = video_mmap, | |
1433 | .ioctl = video_ioctl2, | |
e47f30b1 ST |
1434 | }; |
1435 | ||
a399810c | 1436 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
e47f30b1 | 1437 | .vidioc_querycap = vidioc_querycap, |
78b526a4 HV |
1438 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1439 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1440 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1441 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1442 | .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, | |
1443 | .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, | |
1444 | .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, | |
e47f30b1 ST |
1445 | .vidioc_reqbufs = vidioc_reqbufs, |
1446 | .vidioc_querybuf = vidioc_querybuf, | |
1447 | .vidioc_qbuf = vidioc_qbuf, | |
1448 | .vidioc_dqbuf = vidioc_dqbuf, | |
1449 | .vidioc_s_std = vidioc_s_std, | |
1450 | .vidioc_enum_input = vidioc_enum_input, | |
1451 | .vidioc_g_input = vidioc_g_input, | |
1452 | .vidioc_s_input = vidioc_s_input, | |
1453 | .vidioc_queryctrl = vidioc_queryctrl, | |
1454 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1455 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1456 | .vidioc_streamon = vidioc_streamon, | |
1457 | .vidioc_streamoff = vidioc_streamoff, | |
1458 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1459 | .vidiocgmbuf = vidiocgmbuf, | |
1460 | #endif | |
1461 | .vidioc_g_tuner = vidioc_g_tuner, | |
1462 | .vidioc_s_tuner = vidioc_s_tuner, | |
1463 | .vidioc_g_frequency = vidioc_g_frequency, | |
1464 | .vidioc_s_frequency = vidioc_s_frequency, | |
1465 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1466 | .vidioc_g_register = vidioc_g_register, | |
1467 | .vidioc_s_register = vidioc_s_register, | |
1468 | #endif | |
a399810c HV |
1469 | }; |
1470 | ||
1471 | static struct video_device cx23885_vbi_template; | |
1472 | static struct video_device cx23885_video_template = { | |
1473 | .name = "cx23885-video", | |
a399810c HV |
1474 | .fops = &video_fops, |
1475 | .minor = -1, | |
1476 | .ioctl_ops = &video_ioctl_ops, | |
e47f30b1 ST |
1477 | .tvnorms = CX23885_NORMS, |
1478 | .current_norm = V4L2_STD_NTSC_M, | |
1479 | }; | |
1480 | ||
bec43661 | 1481 | static const struct v4l2_file_operations radio_fops = { |
e47f30b1 ST |
1482 | .owner = THIS_MODULE, |
1483 | .open = video_open, | |
1484 | .release = video_release, | |
1485 | .ioctl = video_ioctl2, | |
e47f30b1 ST |
1486 | }; |
1487 | ||
1488 | ||
1489 | void cx23885_video_unregister(struct cx23885_dev *dev) | |
1490 | { | |
22b4e64f | 1491 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1492 | cx_clear(PCI_INT_MSK, 1); |
1493 | ||
1494 | if (dev->video_dev) { | |
1495 | if (-1 != dev->video_dev->minor) | |
1496 | video_unregister_device(dev->video_dev); | |
1497 | else | |
1498 | video_device_release(dev->video_dev); | |
1499 | dev->video_dev = NULL; | |
1500 | ||
1501 | btcx_riscmem_free(dev->pci, &dev->vidq.stopper); | |
1502 | } | |
1503 | } | |
1504 | ||
1505 | int cx23885_video_register(struct cx23885_dev *dev) | |
1506 | { | |
1507 | int err; | |
1508 | ||
22b4e64f | 1509 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1510 | spin_lock_init(&dev->slock); |
1511 | ||
1512 | /* Initialize VBI template */ | |
1513 | memcpy(&cx23885_vbi_template, &cx23885_video_template, | |
1514 | sizeof(cx23885_vbi_template)); | |
1515 | strcpy(cx23885_vbi_template.name, "cx23885-vbi"); | |
e47f30b1 ST |
1516 | |
1517 | dev->tvnorm = cx23885_video_template.current_norm; | |
1518 | ||
1519 | /* init video dma queues */ | |
1520 | INIT_LIST_HEAD(&dev->vidq.active); | |
1521 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1522 | dev->vidq.timeout.function = cx23885_vid_timeout; | |
1523 | dev->vidq.timeout.data = (unsigned long)dev; | |
1524 | init_timer(&dev->vidq.timeout); | |
1525 | cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, | |
1526 | VID_A_DMA_CTL, 0x11, 0x00); | |
1527 | ||
a19602f2 | 1528 | /* Don't enable VBI yet */ |
e47f30b1 ST |
1529 | cx_set(PCI_INT_MSK, 1); |
1530 | ||
1531 | ||
1532 | /* register v4l devices */ | |
1533 | dev->video_dev = cx23885_vdev_init(dev, dev->pci, | |
1534 | &cx23885_video_template, "video"); | |
1535 | err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, | |
1536 | video_nr[dev->nr]); | |
1537 | if (err < 0) { | |
1538 | printk(KERN_INFO "%s: can't register video device\n", | |
1539 | dev->name); | |
1540 | goto fail_unreg; | |
1541 | } | |
1542 | printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n", | |
c6330fb8 | 1543 | dev->name, dev->video_dev->num); |
e47f30b1 ST |
1544 | /* initial device configuration */ |
1545 | mutex_lock(&dev->lock); | |
1546 | cx23885_set_tvnorm(dev, dev->tvnorm); | |
1547 | init_controls(dev); | |
1548 | cx23885_video_mux(dev, 0); | |
1549 | mutex_unlock(&dev->lock); | |
1550 | ||
e47f30b1 ST |
1551 | return 0; |
1552 | ||
1553 | fail_unreg: | |
1554 | cx23885_video_unregister(dev); | |
1555 | return err; | |
1556 | } | |
1557 |