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Commit | Line | Data |
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e47f30b1 ST |
1 | /* |
2 | * Driver for the Conexant CX23885 PCIe bridge | |
3 | * | |
4 | * Copyright (c) 2007 Steven Toth <stoth@hauppauge.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | #include <linux/init.h> | |
23 | #include <linux/list.h> | |
24 | #include <linux/module.h> | |
25 | #include <linux/moduleparam.h> | |
26 | #include <linux/kmod.h> | |
27 | #include <linux/kernel.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/interrupt.h> | |
30 | #include <linux/delay.h> | |
31 | #include <linux/kthread.h> | |
32 | #include <asm/div64.h> | |
33 | ||
34 | #include "cx23885.h" | |
35 | #include <media/v4l2-common.h> | |
36 | ||
37 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
38 | /* Include V4L1 specific functions. Should be removed soon */ | |
39 | #include <linux/videodev.h> | |
40 | #endif | |
41 | ||
42 | MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); | |
43 | MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>"); | |
44 | MODULE_LICENSE("GPL"); | |
45 | ||
46 | /* ------------------------------------------------------------------ */ | |
47 | ||
48 | static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
49 | static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
50 | static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
51 | ||
52 | module_param_array(video_nr, int, NULL, 0444); | |
53 | module_param_array(vbi_nr, int, NULL, 0444); | |
54 | module_param_array(radio_nr, int, NULL, 0444); | |
55 | ||
56 | MODULE_PARM_DESC(video_nr, "video device numbers"); | |
57 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); | |
58 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); | |
59 | ||
4513fc69 | 60 | static unsigned int video_debug; |
e47f30b1 ST |
61 | module_param(video_debug, int, 0644); |
62 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
63 | ||
4513fc69 | 64 | static unsigned int irq_debug; |
e47f30b1 ST |
65 | module_param(irq_debug, int, 0644); |
66 | MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); | |
67 | ||
68 | static unsigned int vid_limit = 16; | |
69 | module_param(vid_limit, int, 0644); | |
70 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); | |
71 | ||
72 | #define dprintk(level, fmt, arg...)\ | |
4513fc69 ST |
73 | do { if (video_debug >= level)\ |
74 | printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ | |
75 | } while (0) | |
e47f30b1 ST |
76 | |
77 | /* ------------------------------------------------------------------- */ | |
78 | /* static data */ | |
79 | ||
80 | #define FORMAT_FLAGS_PACKED 0x01 | |
81 | ||
82 | static struct cx23885_fmt formats[] = { | |
83 | { | |
84 | .name = "8 bpp, gray", | |
85 | .fourcc = V4L2_PIX_FMT_GREY, | |
86 | .depth = 8, | |
87 | .flags = FORMAT_FLAGS_PACKED, | |
88 | }, { | |
89 | .name = "15 bpp RGB, le", | |
90 | .fourcc = V4L2_PIX_FMT_RGB555, | |
91 | .depth = 16, | |
92 | .flags = FORMAT_FLAGS_PACKED, | |
93 | }, { | |
94 | .name = "15 bpp RGB, be", | |
95 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
96 | .depth = 16, | |
97 | .flags = FORMAT_FLAGS_PACKED, | |
98 | }, { | |
99 | .name = "16 bpp RGB, le", | |
100 | .fourcc = V4L2_PIX_FMT_RGB565, | |
101 | .depth = 16, | |
102 | .flags = FORMAT_FLAGS_PACKED, | |
103 | }, { | |
104 | .name = "16 bpp RGB, be", | |
105 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
106 | .depth = 16, | |
107 | .flags = FORMAT_FLAGS_PACKED, | |
108 | }, { | |
109 | .name = "24 bpp RGB, le", | |
110 | .fourcc = V4L2_PIX_FMT_BGR24, | |
111 | .depth = 24, | |
112 | .flags = FORMAT_FLAGS_PACKED, | |
113 | }, { | |
114 | .name = "32 bpp RGB, le", | |
115 | .fourcc = V4L2_PIX_FMT_BGR32, | |
116 | .depth = 32, | |
117 | .flags = FORMAT_FLAGS_PACKED, | |
118 | }, { | |
119 | .name = "32 bpp RGB, be", | |
120 | .fourcc = V4L2_PIX_FMT_RGB32, | |
121 | .depth = 32, | |
122 | .flags = FORMAT_FLAGS_PACKED, | |
123 | }, { | |
124 | .name = "4:2:2, packed, YUYV", | |
125 | .fourcc = V4L2_PIX_FMT_YUYV, | |
126 | .depth = 16, | |
127 | .flags = FORMAT_FLAGS_PACKED, | |
128 | }, { | |
129 | .name = "4:2:2, packed, UYVY", | |
130 | .fourcc = V4L2_PIX_FMT_UYVY, | |
131 | .depth = 16, | |
132 | .flags = FORMAT_FLAGS_PACKED, | |
133 | }, | |
134 | }; | |
135 | ||
136 | static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) | |
137 | { | |
138 | unsigned int i; | |
139 | ||
140 | for (i = 0; i < ARRAY_SIZE(formats); i++) | |
141 | if (formats[i].fourcc == fourcc) | |
142 | return formats+i; | |
143 | ||
22b4e64f | 144 | printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); |
e47f30b1 ST |
145 | return NULL; |
146 | } | |
147 | ||
148 | /* ------------------------------------------------------------------- */ | |
149 | ||
150 | static const struct v4l2_queryctrl no_ctl = { | |
151 | .name = "42", | |
152 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
153 | }; | |
154 | ||
155 | static struct cx23885_ctrl cx23885_ctls[] = { | |
156 | /* --- video --- */ | |
157 | { | |
158 | .v = { | |
159 | .id = V4L2_CID_BRIGHTNESS, | |
160 | .name = "Brightness", | |
161 | .minimum = 0x00, | |
162 | .maximum = 0xff, | |
163 | .step = 1, | |
164 | .default_value = 0x7f, | |
165 | .type = V4L2_CTRL_TYPE_INTEGER, | |
166 | }, | |
167 | .off = 128, | |
168 | .reg = LUMA_CTRL, | |
169 | .mask = 0x00ff, | |
170 | .shift = 0, | |
171 | }, { | |
172 | .v = { | |
173 | .id = V4L2_CID_CONTRAST, | |
174 | .name = "Contrast", | |
175 | .minimum = 0, | |
176 | .maximum = 0xff, | |
177 | .step = 1, | |
178 | .default_value = 0x3f, | |
179 | .type = V4L2_CTRL_TYPE_INTEGER, | |
180 | }, | |
181 | .off = 0, | |
182 | .reg = LUMA_CTRL, | |
183 | .mask = 0xff00, | |
184 | .shift = 8, | |
185 | }, { | |
186 | .v = { | |
187 | .id = V4L2_CID_HUE, | |
188 | .name = "Hue", | |
189 | .minimum = 0, | |
190 | .maximum = 0xff, | |
191 | .step = 1, | |
192 | .default_value = 0x7f, | |
193 | .type = V4L2_CTRL_TYPE_INTEGER, | |
194 | }, | |
195 | .off = 128, | |
196 | .reg = CHROMA_CTRL, | |
197 | .mask = 0xff0000, | |
198 | .shift = 16, | |
199 | }, { | |
200 | /* strictly, this only describes only U saturation. | |
201 | * V saturation is handled specially through code. | |
202 | */ | |
203 | .v = { | |
204 | .id = V4L2_CID_SATURATION, | |
205 | .name = "Saturation", | |
206 | .minimum = 0, | |
207 | .maximum = 0xff, | |
208 | .step = 1, | |
209 | .default_value = 0x7f, | |
210 | .type = V4L2_CTRL_TYPE_INTEGER, | |
211 | }, | |
212 | .off = 0, | |
213 | .reg = CHROMA_CTRL, | |
214 | .mask = 0x00ff, | |
215 | .shift = 0, | |
216 | }, { | |
217 | /* --- audio --- */ | |
218 | .v = { | |
219 | .id = V4L2_CID_AUDIO_MUTE, | |
220 | .name = "Mute", | |
221 | .minimum = 0, | |
222 | .maximum = 1, | |
223 | .default_value = 1, | |
224 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
225 | }, | |
226 | .reg = PATH1_CTL1, | |
227 | .mask = (0x1f << 24), | |
228 | .shift = 24, | |
229 | }, { | |
230 | .v = { | |
231 | .id = V4L2_CID_AUDIO_VOLUME, | |
232 | .name = "Volume", | |
233 | .minimum = 0, | |
234 | .maximum = 0x3f, | |
235 | .step = 1, | |
236 | .default_value = 0x3f, | |
237 | .type = V4L2_CTRL_TYPE_INTEGER, | |
238 | }, | |
239 | .reg = PATH1_VOL_CTL, | |
240 | .mask = 0xff, | |
241 | .shift = 0, | |
242 | } | |
243 | }; | |
244 | static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); | |
245 | ||
246 | const u32 cx23885_user_ctrls[] = { | |
247 | V4L2_CID_USER_CLASS, | |
248 | V4L2_CID_BRIGHTNESS, | |
249 | V4L2_CID_CONTRAST, | |
250 | V4L2_CID_SATURATION, | |
251 | V4L2_CID_HUE, | |
252 | V4L2_CID_AUDIO_VOLUME, | |
253 | V4L2_CID_AUDIO_MUTE, | |
254 | 0 | |
255 | }; | |
256 | EXPORT_SYMBOL(cx23885_user_ctrls); | |
257 | ||
258 | static const u32 *ctrl_classes[] = { | |
259 | cx23885_user_ctrls, | |
260 | NULL | |
261 | }; | |
262 | ||
263 | void cx23885_video_wakeup(struct cx23885_dev *dev, | |
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 | } | |
288 | if (list_empty(&q->active)) { | |
289 | del_timer(&q->timeout); | |
290 | } else { | |
291 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
292 | } | |
293 | if (bc != 1) | |
21a78091 | 294 | printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", |
22b4e64f | 295 | __func__, bc); |
e47f30b1 ST |
296 | } |
297 | ||
298 | int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) | |
299 | { | |
300 | dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", | |
22b4e64f | 301 | __func__, |
e47f30b1 ST |
302 | (unsigned int)norm, |
303 | v4l2_norm_to_name(norm)); | |
304 | ||
305 | dev->tvnorm = norm; | |
306 | ||
e47f30b1 ST |
307 | /* Tell the analog tuner/demods */ |
308 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_STD, &norm); | |
309 | ||
310 | /* Tell the internal A/V decoder */ | |
311 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_STD, &norm); | |
312 | ||
313 | return 0; | |
314 | } | |
315 | ||
316 | struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, | |
317 | struct pci_dev *pci, | |
318 | struct video_device *template, | |
319 | char *type) | |
320 | { | |
321 | struct video_device *vfd; | |
22b4e64f | 322 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
323 | |
324 | vfd = video_device_alloc(); | |
325 | if (NULL == vfd) | |
326 | return NULL; | |
327 | *vfd = *template; | |
328 | vfd->minor = -1; | |
329 | vfd->dev = &pci->dev; | |
330 | vfd->release = video_device_release; | |
331 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", | |
332 | dev->name, type, cx23885_boards[dev->board].name); | |
333 | return vfd; | |
334 | } | |
335 | ||
336 | int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) | |
337 | { | |
338 | int i; | |
339 | ||
340 | if (qctrl->id < V4L2_CID_BASE || | |
341 | qctrl->id >= V4L2_CID_LASTP1) | |
342 | return -EINVAL; | |
343 | for (i = 0; i < CX23885_CTLS; i++) | |
344 | if (cx23885_ctls[i].v.id == qctrl->id) | |
345 | break; | |
346 | if (i == CX23885_CTLS) { | |
347 | *qctrl = no_ctl; | |
348 | return 0; | |
349 | } | |
350 | *qctrl = cx23885_ctls[i].v; | |
351 | return 0; | |
352 | } | |
353 | EXPORT_SYMBOL(cx23885_ctrl_query); | |
354 | ||
355 | /* ------------------------------------------------------------------- */ | |
356 | /* resource management */ | |
357 | ||
358 | static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, | |
359 | unsigned int bit) | |
360 | { | |
22b4e64f | 361 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
362 | if (fh->resources & bit) |
363 | /* have it already allocated */ | |
364 | return 1; | |
365 | ||
366 | /* is it free? */ | |
367 | mutex_lock(&dev->lock); | |
368 | if (dev->resources & bit) { | |
369 | /* no, someone else uses it */ | |
370 | mutex_unlock(&dev->lock); | |
371 | return 0; | |
372 | } | |
373 | /* it's free, grab it */ | |
374 | fh->resources |= bit; | |
375 | dev->resources |= bit; | |
376 | dprintk(1, "res: get %d\n", bit); | |
377 | mutex_unlock(&dev->lock); | |
378 | return 1; | |
379 | } | |
380 | ||
381 | static int res_check(struct cx23885_fh *fh, unsigned int bit) | |
382 | { | |
383 | return (fh->resources & bit); | |
384 | } | |
385 | ||
386 | static int res_locked(struct cx23885_dev *dev, unsigned int bit) | |
387 | { | |
388 | return (dev->resources & bit); | |
389 | } | |
390 | ||
391 | static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, | |
392 | unsigned int bits) | |
393 | { | |
394 | BUG_ON((fh->resources & bits) != bits); | |
22b4e64f | 395 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
396 | |
397 | mutex_lock(&dev->lock); | |
398 | fh->resources &= ~bits; | |
399 | dev->resources &= ~bits; | |
400 | dprintk(1, "res: put %d\n", bits); | |
401 | mutex_unlock(&dev->lock); | |
402 | } | |
403 | ||
404 | int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) | |
405 | { | |
406 | struct v4l2_routing route; | |
407 | memset(&route, 0, sizeof(route)); | |
408 | ||
409 | dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", | |
22b4e64f | 410 | __func__, |
e47f30b1 ST |
411 | input, INPUT(input)->vmux, |
412 | INPUT(input)->gpio0, INPUT(input)->gpio1, | |
413 | INPUT(input)->gpio2, INPUT(input)->gpio3); | |
414 | dev->input = input; | |
415 | ||
416 | route.input = INPUT(input)->vmux; | |
417 | ||
418 | /* Tell the internal A/V decoder */ | |
419 | cx23885_call_i2c_clients(&dev->i2c_bus[2], | |
420 | VIDIOC_INT_S_VIDEO_ROUTING, &route); | |
421 | ||
422 | return 0; | |
423 | } | |
424 | EXPORT_SYMBOL(cx23885_video_mux); | |
425 | ||
426 | /* ------------------------------------------------------------------ */ | |
427 | int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, | |
428 | unsigned int height, enum v4l2_field field) | |
429 | { | |
22b4e64f | 430 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
431 | return 0; |
432 | } | |
433 | ||
434 | static int cx23885_start_video_dma(struct cx23885_dev *dev, | |
435 | struct cx23885_dmaqueue *q, | |
436 | struct cx23885_buffer *buf) | |
437 | { | |
22b4e64f | 438 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
439 | |
440 | /* setup fifo + format */ | |
441 | cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], | |
442 | buf->bpl, buf->risc.dma); | |
443 | cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field); | |
444 | ||
445 | /* reset counter */ | |
446 | cx_write(VID_A_GPCNT_CTL, 3); | |
447 | q->count = 1; | |
448 | ||
449 | /* enable irq */ | |
450 | cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01); | |
451 | cx_set(VID_A_INT_MSK, 0x000011); | |
452 | ||
453 | /* start dma */ | |
454 | cx_set(DEV_CNTRL2, (1<<5)); | |
455 | cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ | |
456 | ||
457 | return 0; | |
458 | } | |
459 | ||
e47f30b1 ST |
460 | |
461 | static int cx23885_restart_video_queue(struct cx23885_dev *dev, | |
462 | struct cx23885_dmaqueue *q) | |
463 | { | |
464 | struct cx23885_buffer *buf, *prev; | |
465 | struct list_head *item; | |
22b4e64f | 466 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
467 | |
468 | if (!list_empty(&q->active)) { | |
469 | buf = list_entry(q->active.next, struct cx23885_buffer, | |
470 | vb.queue); | |
471 | dprintk(2, "restart_queue [%p/%d]: restart dma\n", | |
472 | buf, buf->vb.i); | |
473 | cx23885_start_video_dma(dev, q, buf); | |
474 | list_for_each(item, &q->active) { | |
475 | buf = list_entry(item, struct cx23885_buffer, | |
476 | vb.queue); | |
477 | buf->count = q->count++; | |
478 | } | |
479 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
480 | return 0; | |
481 | } | |
482 | ||
483 | prev = NULL; | |
484 | for (;;) { | |
485 | if (list_empty(&q->queued)) | |
486 | return 0; | |
487 | buf = list_entry(q->queued.next, struct cx23885_buffer, | |
488 | vb.queue); | |
489 | if (NULL == prev) { | |
490 | list_move_tail(&buf->vb.queue, &q->active); | |
491 | cx23885_start_video_dma(dev, q, buf); | |
492 | buf->vb.state = VIDEOBUF_ACTIVE; | |
493 | buf->count = q->count++; | |
494 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
495 | dprintk(2, "[%p/%d] restart_queue - first active\n", | |
496 | buf, buf->vb.i); | |
497 | ||
498 | } else if (prev->vb.width == buf->vb.width && | |
499 | prev->vb.height == buf->vb.height && | |
500 | prev->fmt == buf->fmt) { | |
501 | list_move_tail(&buf->vb.queue, &q->active); | |
502 | buf->vb.state = VIDEOBUF_ACTIVE; | |
503 | buf->count = q->count++; | |
504 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
505 | prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ | |
506 | dprintk(2, "[%p/%d] restart_queue - move to active\n", | |
507 | buf, buf->vb.i); | |
508 | } else { | |
509 | return 0; | |
510 | } | |
511 | prev = buf; | |
512 | } | |
513 | } | |
514 | ||
515 | static int buffer_setup(struct videobuf_queue *q, unsigned int *count, | |
516 | unsigned int *size) | |
517 | { | |
518 | struct cx23885_fh *fh = q->priv_data; | |
519 | ||
520 | *size = fh->fmt->depth*fh->width*fh->height >> 3; | |
521 | if (0 == *count) | |
522 | *count = 32; | |
523 | while (*size * *count > vid_limit * 1024 * 1024) | |
524 | (*count)--; | |
525 | return 0; | |
526 | } | |
527 | ||
528 | static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, | |
529 | enum v4l2_field field) | |
530 | { | |
531 | struct cx23885_fh *fh = q->priv_data; | |
532 | struct cx23885_dev *dev = fh->dev; | |
533 | struct cx23885_buffer *buf = | |
534 | container_of(vb, struct cx23885_buffer, vb); | |
535 | int rc, init_buffer = 0; | |
536 | u32 line0_offset, line1_offset; | |
537 | struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); | |
538 | ||
539 | BUG_ON(NULL == fh->fmt); | |
540 | if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || | |
541 | fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) | |
542 | return -EINVAL; | |
543 | buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; | |
544 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
545 | return -EINVAL; | |
546 | ||
547 | if (buf->fmt != fh->fmt || | |
548 | buf->vb.width != fh->width || | |
549 | buf->vb.height != fh->height || | |
550 | buf->vb.field != field) { | |
551 | buf->fmt = fh->fmt; | |
552 | buf->vb.width = fh->width; | |
553 | buf->vb.height = fh->height; | |
554 | buf->vb.field = field; | |
555 | init_buffer = 1; | |
556 | } | |
557 | ||
558 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
559 | init_buffer = 1; | |
560 | rc = videobuf_iolock(q, &buf->vb, NULL); | |
561 | if (0 != rc) | |
562 | goto fail; | |
563 | } | |
564 | ||
565 | if (init_buffer) { | |
566 | buf->bpl = buf->vb.width * buf->fmt->depth >> 3; | |
567 | switch (buf->vb.field) { | |
568 | case V4L2_FIELD_TOP: | |
569 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
570 | dma->sglist, 0, UNSET, | |
571 | buf->bpl, 0, buf->vb.height); | |
572 | break; | |
573 | case V4L2_FIELD_BOTTOM: | |
574 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
575 | dma->sglist, UNSET, 0, | |
576 | buf->bpl, 0, buf->vb.height); | |
577 | break; | |
578 | case V4L2_FIELD_INTERLACED: | |
579 | if (dev->tvnorm & V4L2_STD_NTSC) { | |
580 | /* cx25840 transmits NTSC bottom field first */ | |
581 | dprintk(1, "%s() Creating NTSC risc\n", | |
22b4e64f | 582 | __func__); |
e47f30b1 ST |
583 | line0_offset = buf->bpl; |
584 | line1_offset = 0; | |
585 | } else { | |
586 | /* All other formats are top field first */ | |
587 | dprintk(1, "%s() Creating PAL/SECAM risc\n", | |
22b4e64f | 588 | __func__); |
e47f30b1 ST |
589 | line0_offset = 0; |
590 | line1_offset = buf->bpl; | |
591 | } | |
592 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
593 | dma->sglist, line0_offset, | |
594 | line1_offset, | |
595 | buf->bpl, buf->bpl, | |
596 | buf->vb.height >> 1); | |
597 | break; | |
598 | case V4L2_FIELD_SEQ_TB: | |
599 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
600 | dma->sglist, | |
601 | 0, buf->bpl * (buf->vb.height >> 1), | |
602 | buf->bpl, 0, | |
603 | buf->vb.height >> 1); | |
604 | break; | |
605 | case V4L2_FIELD_SEQ_BT: | |
606 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
607 | dma->sglist, | |
608 | buf->bpl * (buf->vb.height >> 1), 0, | |
609 | buf->bpl, 0, | |
610 | buf->vb.height >> 1); | |
611 | break; | |
612 | default: | |
613 | BUG(); | |
614 | } | |
615 | } | |
616 | dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", | |
617 | buf, buf->vb.i, | |
618 | fh->width, fh->height, fh->fmt->depth, fh->fmt->name, | |
619 | (unsigned long)buf->risc.dma); | |
620 | ||
621 | buf->vb.state = VIDEOBUF_PREPARED; | |
622 | return 0; | |
623 | ||
624 | fail: | |
625 | cx23885_free_buffer(q, buf); | |
626 | return rc; | |
627 | } | |
628 | ||
629 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
630 | { | |
631 | struct cx23885_buffer *buf = container_of(vb, | |
632 | struct cx23885_buffer, vb); | |
633 | struct cx23885_buffer *prev; | |
634 | struct cx23885_fh *fh = vq->priv_data; | |
635 | struct cx23885_dev *dev = fh->dev; | |
636 | struct cx23885_dmaqueue *q = &dev->vidq; | |
637 | ||
638 | /* add jump to stopper */ | |
639 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
640 | buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); | |
641 | buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ | |
642 | ||
643 | if (!list_empty(&q->queued)) { | |
644 | list_add_tail(&buf->vb.queue, &q->queued); | |
645 | buf->vb.state = VIDEOBUF_QUEUED; | |
646 | dprintk(2, "[%p/%d] buffer_queue - append to queued\n", | |
647 | buf, buf->vb.i); | |
648 | ||
649 | } else if (list_empty(&q->active)) { | |
650 | list_add_tail(&buf->vb.queue, &q->active); | |
651 | cx23885_start_video_dma(dev, q, buf); | |
652 | buf->vb.state = VIDEOBUF_ACTIVE; | |
653 | buf->count = q->count++; | |
654 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
655 | dprintk(2, "[%p/%d] buffer_queue - first active\n", | |
656 | buf, buf->vb.i); | |
657 | ||
658 | } else { | |
659 | prev = list_entry(q->active.prev, struct cx23885_buffer, | |
660 | vb.queue); | |
661 | if (prev->vb.width == buf->vb.width && | |
662 | prev->vb.height == buf->vb.height && | |
663 | prev->fmt == buf->fmt) { | |
664 | list_add_tail(&buf->vb.queue, &q->active); | |
665 | buf->vb.state = VIDEOBUF_ACTIVE; | |
666 | buf->count = q->count++; | |
667 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
668 | /* 64 bit bits 63-32 */ | |
669 | prev->risc.jmp[2] = cpu_to_le32(0); | |
670 | dprintk(2, "[%p/%d] buffer_queue - append to active\n", | |
671 | buf, buf->vb.i); | |
672 | ||
673 | } else { | |
674 | list_add_tail(&buf->vb.queue, &q->queued); | |
675 | buf->vb.state = VIDEOBUF_QUEUED; | |
676 | dprintk(2, "[%p/%d] buffer_queue - first queued\n", | |
677 | buf, buf->vb.i); | |
678 | } | |
679 | } | |
680 | } | |
681 | ||
682 | static void buffer_release(struct videobuf_queue *q, | |
683 | struct videobuf_buffer *vb) | |
684 | { | |
685 | struct cx23885_buffer *buf = container_of(vb, | |
686 | struct cx23885_buffer, vb); | |
687 | ||
688 | cx23885_free_buffer(q, buf); | |
689 | } | |
690 | ||
691 | static struct videobuf_queue_ops cx23885_video_qops = { | |
692 | .buf_setup = buffer_setup, | |
693 | .buf_prepare = buffer_prepare, | |
694 | .buf_queue = buffer_queue, | |
695 | .buf_release = buffer_release, | |
696 | }; | |
697 | ||
698 | static struct videobuf_queue *get_queue(struct cx23885_fh *fh) | |
699 | { | |
700 | switch (fh->type) { | |
701 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
702 | return &fh->vidq; | |
703 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
704 | return &fh->vbiq; | |
705 | default: | |
706 | BUG(); | |
707 | return NULL; | |
708 | } | |
709 | } | |
710 | ||
711 | static int get_resource(struct cx23885_fh *fh) | |
712 | { | |
713 | switch (fh->type) { | |
714 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
715 | return RESOURCE_VIDEO; | |
716 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
717 | return RESOURCE_VBI; | |
718 | default: | |
719 | BUG(); | |
720 | return 0; | |
721 | } | |
722 | } | |
723 | ||
724 | static int video_open(struct inode *inode, struct file *file) | |
725 | { | |
726 | int minor = iminor(inode); | |
727 | struct cx23885_dev *h, *dev = NULL; | |
728 | struct cx23885_fh *fh; | |
729 | struct list_head *list; | |
730 | enum v4l2_buf_type type = 0; | |
731 | int radio = 0; | |
732 | ||
733 | list_for_each(list, &cx23885_devlist) { | |
734 | h = list_entry(list, struct cx23885_dev, devlist); | |
735 | if (h->video_dev->minor == minor) { | |
736 | dev = h; | |
737 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
738 | } | |
739 | if (h->vbi_dev && | |
740 | h->vbi_dev->minor == minor) { | |
741 | dev = h; | |
742 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
743 | } | |
744 | if (h->radio_dev && | |
745 | h->radio_dev->minor == minor) { | |
746 | radio = 1; | |
747 | dev = h; | |
748 | } | |
749 | } | |
750 | if (NULL == dev) | |
751 | return -ENODEV; | |
752 | ||
753 | dprintk(1, "open minor=%d radio=%d type=%s\n", | |
754 | minor, radio, v4l2_type_names[type]); | |
755 | ||
756 | /* allocate + initialize per filehandle data */ | |
757 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); | |
758 | if (NULL == fh) | |
759 | return -ENOMEM; | |
760 | file->private_data = fh; | |
761 | fh->dev = dev; | |
762 | fh->radio = radio; | |
763 | fh->type = type; | |
764 | fh->width = 320; | |
765 | fh->height = 240; | |
766 | fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); | |
767 | ||
0705135e GL |
768 | videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, |
769 | &dev->pci->dev, &dev->slock, | |
e47f30b1 ST |
770 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
771 | V4L2_FIELD_INTERLACED, | |
772 | sizeof(struct cx23885_buffer), | |
773 | fh); | |
774 | ||
775 | dprintk(1, "post videobuf_queue_init()\n"); | |
776 | ||
777 | ||
778 | return 0; | |
779 | } | |
780 | ||
781 | static ssize_t video_read(struct file *file, char __user *data, | |
782 | size_t count, loff_t *ppos) | |
783 | { | |
784 | struct cx23885_fh *fh = file->private_data; | |
785 | ||
786 | switch (fh->type) { | |
787 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
788 | if (res_locked(fh->dev, RESOURCE_VIDEO)) | |
789 | return -EBUSY; | |
790 | return videobuf_read_one(&fh->vidq, data, count, ppos, | |
791 | file->f_flags & O_NONBLOCK); | |
792 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
793 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
794 | return -EBUSY; | |
795 | return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, | |
796 | file->f_flags & O_NONBLOCK); | |
797 | default: | |
798 | BUG(); | |
799 | return 0; | |
800 | } | |
801 | } | |
802 | ||
803 | static unsigned int video_poll(struct file *file, | |
804 | struct poll_table_struct *wait) | |
805 | { | |
806 | struct cx23885_fh *fh = file->private_data; | |
807 | struct cx23885_buffer *buf; | |
808 | ||
809 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { | |
810 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
811 | return POLLERR; | |
812 | return videobuf_poll_stream(file, &fh->vbiq, wait); | |
813 | } | |
814 | ||
815 | if (res_check(fh, RESOURCE_VIDEO)) { | |
816 | /* streaming capture */ | |
817 | if (list_empty(&fh->vidq.stream)) | |
818 | return POLLERR; | |
819 | buf = list_entry(fh->vidq.stream.next, | |
820 | struct cx23885_buffer, vb.stream); | |
821 | } else { | |
822 | /* read() capture */ | |
823 | buf = (struct cx23885_buffer *)fh->vidq.read_buf; | |
824 | if (NULL == buf) | |
825 | return POLLERR; | |
826 | } | |
827 | poll_wait(file, &buf->vb.done, wait); | |
828 | if (buf->vb.state == VIDEOBUF_DONE || | |
829 | buf->vb.state == VIDEOBUF_ERROR) | |
830 | return POLLIN|POLLRDNORM; | |
831 | return 0; | |
832 | } | |
833 | ||
834 | static int video_release(struct inode *inode, struct file *file) | |
835 | { | |
836 | struct cx23885_fh *fh = file->private_data; | |
837 | struct cx23885_dev *dev = fh->dev; | |
838 | ||
839 | /* turn off overlay */ | |
840 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
841 | /* FIXME */ | |
842 | res_free(dev, fh, RESOURCE_OVERLAY); | |
843 | } | |
844 | ||
845 | /* stop video capture */ | |
846 | if (res_check(fh, RESOURCE_VIDEO)) { | |
847 | videobuf_queue_cancel(&fh->vidq); | |
848 | res_free(dev, fh, RESOURCE_VIDEO); | |
849 | } | |
850 | if (fh->vidq.read_buf) { | |
851 | buffer_release(&fh->vidq, fh->vidq.read_buf); | |
852 | kfree(fh->vidq.read_buf); | |
853 | } | |
854 | ||
855 | /* stop vbi capture */ | |
856 | if (res_check(fh, RESOURCE_VBI)) { | |
857 | if (fh->vbiq.streaming) | |
858 | videobuf_streamoff(&fh->vbiq); | |
859 | if (fh->vbiq.reading) | |
860 | videobuf_read_stop(&fh->vbiq); | |
861 | res_free(dev, fh, RESOURCE_VBI); | |
862 | } | |
863 | ||
864 | videobuf_mmap_free(&fh->vidq); | |
865 | file->private_data = NULL; | |
866 | kfree(fh); | |
867 | ||
a19602f2 ST |
868 | /* We are not putting the tuner to sleep here on exit, because |
869 | * we want to use the mpeg encoder in another session to capture | |
870 | * tuner video. Closing this will result in no video to the encoder. | |
871 | */ | |
e47f30b1 ST |
872 | |
873 | return 0; | |
874 | } | |
875 | ||
876 | static int video_mmap(struct file *file, struct vm_area_struct *vma) | |
877 | { | |
878 | struct cx23885_fh *fh = file->private_data; | |
879 | ||
880 | return videobuf_mmap_mapper(get_queue(fh), vma); | |
881 | } | |
882 | ||
883 | /* ------------------------------------------------------------------ */ | |
884 | /* VIDEO CTRL IOCTLS */ | |
885 | ||
886 | int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl) | |
887 | { | |
22b4e64f | 888 | dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); |
e47f30b1 ST |
889 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl); |
890 | return 0; | |
891 | } | |
892 | EXPORT_SYMBOL(cx23885_get_control); | |
893 | ||
894 | int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl) | |
895 | { | |
896 | dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)" | |
22b4e64f | 897 | " (disabled - no action)\n", __func__); |
e47f30b1 ST |
898 | return 0; |
899 | } | |
900 | EXPORT_SYMBOL(cx23885_set_control); | |
901 | ||
902 | static void init_controls(struct cx23885_dev *dev) | |
903 | { | |
904 | struct v4l2_control ctrl; | |
905 | int i; | |
906 | ||
907 | for (i = 0; i < CX23885_CTLS; i++) { | |
908 | ctrl.id = cx23885_ctls[i].v.id; | |
909 | ctrl.value = cx23885_ctls[i].v.default_value; | |
910 | ||
911 | cx23885_set_control(dev, &ctrl); | |
912 | } | |
913 | } | |
914 | ||
915 | /* ------------------------------------------------------------------ */ | |
916 | /* VIDEO IOCTLS */ | |
917 | ||
78b526a4 | 918 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
919 | struct v4l2_format *f) |
920 | { | |
921 | struct cx23885_fh *fh = priv; | |
922 | ||
923 | f->fmt.pix.width = fh->width; | |
924 | f->fmt.pix.height = fh->height; | |
925 | f->fmt.pix.field = fh->vidq.field; | |
926 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
927 | f->fmt.pix.bytesperline = | |
928 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
929 | f->fmt.pix.sizeimage = | |
930 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
931 | ||
932 | return 0; | |
933 | } | |
934 | ||
78b526a4 | 935 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
936 | struct v4l2_format *f) |
937 | { | |
938 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
939 | struct cx23885_fmt *fmt; | |
940 | enum v4l2_field field; | |
941 | unsigned int maxw, maxh; | |
942 | ||
943 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
944 | if (NULL == fmt) | |
945 | return -EINVAL; | |
946 | ||
947 | field = f->fmt.pix.field; | |
948 | maxw = norm_maxw(dev->tvnorm); | |
949 | maxh = norm_maxh(dev->tvnorm); | |
950 | ||
951 | if (V4L2_FIELD_ANY == field) { | |
952 | field = (f->fmt.pix.height > maxh/2) | |
953 | ? V4L2_FIELD_INTERLACED | |
954 | : V4L2_FIELD_BOTTOM; | |
955 | } | |
956 | ||
957 | switch (field) { | |
958 | case V4L2_FIELD_TOP: | |
959 | case V4L2_FIELD_BOTTOM: | |
960 | maxh = maxh / 2; | |
961 | break; | |
962 | case V4L2_FIELD_INTERLACED: | |
963 | break; | |
964 | default: | |
965 | return -EINVAL; | |
966 | } | |
967 | ||
968 | f->fmt.pix.field = field; | |
969 | if (f->fmt.pix.height < 32) | |
970 | f->fmt.pix.height = 32; | |
971 | if (f->fmt.pix.height > maxh) | |
972 | f->fmt.pix.height = maxh; | |
973 | if (f->fmt.pix.width < 48) | |
974 | f->fmt.pix.width = 48; | |
975 | if (f->fmt.pix.width > maxw) | |
976 | f->fmt.pix.width = maxw; | |
977 | f->fmt.pix.width &= ~0x03; | |
978 | f->fmt.pix.bytesperline = | |
979 | (f->fmt.pix.width * fmt->depth) >> 3; | |
980 | f->fmt.pix.sizeimage = | |
981 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
982 | ||
983 | return 0; | |
984 | } | |
985 | ||
78b526a4 | 986 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
987 | struct v4l2_format *f) |
988 | { | |
989 | struct cx23885_fh *fh = priv; | |
990 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
991 | int err; | |
992 | ||
22b4e64f | 993 | dprintk(2, "%s()\n", __func__); |
78b526a4 | 994 | err = vidioc_try_fmt_vid_cap(file, priv, f); |
e47f30b1 ST |
995 | |
996 | if (0 != err) | |
997 | return err; | |
998 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
999 | fh->width = f->fmt.pix.width; | |
1000 | fh->height = f->fmt.pix.height; | |
1001 | fh->vidq.field = f->fmt.pix.field; | |
22b4e64f | 1002 | dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, |
e47f30b1 ST |
1003 | fh->width, fh->height, fh->vidq.field); |
1004 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_FMT, f); | |
1005 | return 0; | |
1006 | } | |
1007 | ||
1008 | static int vidioc_querycap(struct file *file, void *priv, | |
1009 | struct v4l2_capability *cap) | |
1010 | { | |
1011 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1012 | ||
1013 | strcpy(cap->driver, "cx23885"); | |
1014 | strlcpy(cap->card, cx23885_boards[dev->board].name, | |
1015 | sizeof(cap->card)); | |
1016 | sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); | |
1017 | cap->version = CX23885_VERSION_CODE; | |
1018 | cap->capabilities = | |
1019 | V4L2_CAP_VIDEO_CAPTURE | | |
1020 | V4L2_CAP_READWRITE | | |
1021 | V4L2_CAP_STREAMING | | |
1022 | V4L2_CAP_VBI_CAPTURE; | |
1023 | if (UNSET != dev->tuner_type) | |
1024 | cap->capabilities |= V4L2_CAP_TUNER; | |
1025 | return 0; | |
1026 | } | |
1027 | ||
78b526a4 | 1028 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
1029 | struct v4l2_fmtdesc *f) |
1030 | { | |
1031 | if (unlikely(f->index >= ARRAY_SIZE(formats))) | |
1032 | return -EINVAL; | |
1033 | ||
1034 | strlcpy(f->description, formats[f->index].name, | |
1035 | sizeof(f->description)); | |
1036 | f->pixelformat = formats[f->index].fourcc; | |
1037 | ||
1038 | return 0; | |
1039 | } | |
1040 | ||
1041 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1042 | static int vidiocgmbuf(struct file *file, void *priv, | |
1043 | struct video_mbuf *mbuf) | |
1044 | { | |
1045 | struct cx23885_fh *fh = priv; | |
1046 | struct videobuf_queue *q; | |
1047 | struct v4l2_requestbuffers req; | |
1048 | unsigned int i; | |
1049 | int err; | |
1050 | ||
1051 | q = get_queue(fh); | |
1052 | memset(&req, 0, sizeof(req)); | |
1053 | req.type = q->type; | |
1054 | req.count = 8; | |
1055 | req.memory = V4L2_MEMORY_MMAP; | |
1056 | err = videobuf_reqbufs(q, &req); | |
1057 | if (err < 0) | |
1058 | return err; | |
1059 | ||
1060 | mbuf->frames = req.count; | |
1061 | mbuf->size = 0; | |
1062 | for (i = 0; i < mbuf->frames; i++) { | |
1063 | mbuf->offsets[i] = q->bufs[i]->boff; | |
1064 | mbuf->size += q->bufs[i]->bsize; | |
1065 | } | |
1066 | return 0; | |
1067 | } | |
1068 | #endif | |
1069 | ||
1070 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1071 | struct v4l2_requestbuffers *p) | |
1072 | { | |
1073 | struct cx23885_fh *fh = priv; | |
1074 | return (videobuf_reqbufs(get_queue(fh), p)); | |
1075 | } | |
1076 | ||
1077 | static int vidioc_querybuf(struct file *file, void *priv, | |
1078 | struct v4l2_buffer *p) | |
1079 | { | |
1080 | struct cx23885_fh *fh = priv; | |
1081 | return (videobuf_querybuf(get_queue(fh), p)); | |
1082 | } | |
1083 | ||
1084 | static int vidioc_qbuf(struct file *file, void *priv, | |
1085 | struct v4l2_buffer *p) | |
1086 | { | |
1087 | struct cx23885_fh *fh = priv; | |
1088 | return (videobuf_qbuf(get_queue(fh), p)); | |
1089 | } | |
1090 | ||
1091 | static int vidioc_dqbuf(struct file *file, void *priv, | |
1092 | struct v4l2_buffer *p) | |
1093 | { | |
1094 | struct cx23885_fh *fh = priv; | |
1095 | return (videobuf_dqbuf(get_queue(fh), p, | |
1096 | file->f_flags & O_NONBLOCK)); | |
1097 | } | |
1098 | ||
1099 | static int vidioc_streamon(struct file *file, void *priv, | |
1100 | enum v4l2_buf_type i) | |
1101 | { | |
1102 | struct cx23885_fh *fh = priv; | |
1103 | struct cx23885_dev *dev = fh->dev; | |
22b4e64f | 1104 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1105 | |
1106 | if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) | |
1107 | return -EINVAL; | |
1108 | if (unlikely(i != fh->type)) | |
1109 | return -EINVAL; | |
1110 | ||
1111 | if (unlikely(!res_get(dev, fh, get_resource(fh)))) | |
1112 | return -EBUSY; | |
1113 | return videobuf_streamon(get_queue(fh)); | |
1114 | } | |
1115 | ||
1116 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1117 | { | |
1118 | struct cx23885_fh *fh = priv; | |
1119 | struct cx23885_dev *dev = fh->dev; | |
1120 | int err, res; | |
22b4e64f | 1121 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1122 | |
1123 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1124 | return -EINVAL; | |
1125 | if (i != fh->type) | |
1126 | return -EINVAL; | |
1127 | ||
1128 | res = get_resource(fh); | |
1129 | err = videobuf_streamoff(get_queue(fh)); | |
1130 | if (err < 0) | |
1131 | return err; | |
1132 | res_free(dev, fh, res); | |
1133 | return 0; | |
1134 | } | |
1135 | ||
1136 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) | |
1137 | { | |
1138 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
22b4e64f | 1139 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1140 | |
1141 | mutex_lock(&dev->lock); | |
1142 | cx23885_set_tvnorm(dev, *tvnorms); | |
1143 | mutex_unlock(&dev->lock); | |
1144 | ||
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) | |
1149 | { | |
1150 | static const char *iname[] = { | |
1151 | [CX23885_VMUX_COMPOSITE1] = "Composite1", | |
1152 | [CX23885_VMUX_COMPOSITE2] = "Composite2", | |
1153 | [CX23885_VMUX_COMPOSITE3] = "Composite3", | |
1154 | [CX23885_VMUX_COMPOSITE4] = "Composite4", | |
1155 | [CX23885_VMUX_SVIDEO] = "S-Video", | |
1156 | [CX23885_VMUX_TELEVISION] = "Television", | |
1157 | [CX23885_VMUX_CABLE] = "Cable TV", | |
1158 | [CX23885_VMUX_DVB] = "DVB", | |
1159 | [CX23885_VMUX_DEBUG] = "for debug only", | |
1160 | }; | |
1161 | unsigned int n; | |
22b4e64f | 1162 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1163 | |
1164 | n = i->index; | |
1165 | if (n >= 4) | |
1166 | return -EINVAL; | |
1167 | ||
1168 | if (0 == INPUT(n)->type) | |
1169 | return -EINVAL; | |
1170 | ||
1171 | memset(i, 0, sizeof(*i)); | |
1172 | i->index = n; | |
1173 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1174 | strcpy(i->name, iname[INPUT(n)->type]); | |
1175 | if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || | |
1176 | (CX23885_VMUX_CABLE == INPUT(n)->type)) | |
1177 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1178 | i->std = CX23885_NORMS; | |
1179 | return 0; | |
1180 | } | |
1181 | EXPORT_SYMBOL(cx23885_enum_input); | |
1182 | ||
1183 | static int vidioc_enum_input(struct file *file, void *priv, | |
1184 | struct v4l2_input *i) | |
1185 | { | |
1186 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
22b4e64f | 1187 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1188 | return cx23885_enum_input(dev, i); |
1189 | } | |
1190 | ||
1191 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1192 | { | |
1193 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1194 | ||
1195 | *i = dev->input; | |
22b4e64f | 1196 | dprintk(1, "%s() returns %d\n", __func__, *i); |
e47f30b1 ST |
1197 | return 0; |
1198 | } | |
1199 | ||
1200 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1201 | { | |
1202 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1203 | ||
22b4e64f | 1204 | dprintk(1, "%s(%d)\n", __func__, i); |
e47f30b1 ST |
1205 | |
1206 | if (i >= 4) { | |
22b4e64f | 1207 | dprintk(1, "%s() -EINVAL\n", __func__); |
e47f30b1 ST |
1208 | return -EINVAL; |
1209 | } | |
1210 | ||
1211 | mutex_lock(&dev->lock); | |
1212 | cx23885_video_mux(dev, i); | |
1213 | mutex_unlock(&dev->lock); | |
1214 | return 0; | |
1215 | } | |
1216 | ||
1217 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1218 | struct v4l2_queryctrl *qctrl) | |
1219 | { | |
1220 | qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); | |
1221 | if (unlikely(qctrl->id == 0)) | |
1222 | return -EINVAL; | |
1223 | return cx23885_ctrl_query(qctrl); | |
1224 | } | |
1225 | ||
1226 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1227 | struct v4l2_control *ctl) | |
1228 | { | |
1229 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1230 | ||
1231 | return cx23885_get_control(dev, ctl); | |
1232 | } | |
1233 | ||
1234 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1235 | struct v4l2_control *ctl) | |
1236 | { | |
1237 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1238 | ||
1239 | return cx23885_set_control(dev, ctl); | |
1240 | } | |
1241 | ||
1242 | static int vidioc_g_tuner(struct file *file, void *priv, | |
1243 | struct v4l2_tuner *t) | |
1244 | { | |
1245 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1246 | ||
1247 | if (unlikely(UNSET == dev->tuner_type)) | |
1248 | return -EINVAL; | |
1249 | if (0 != t->index) | |
1250 | return -EINVAL; | |
1251 | ||
1252 | strcpy(t->name, "Television"); | |
1253 | t->type = V4L2_TUNER_ANALOG_TV; | |
1254 | t->capability = V4L2_TUNER_CAP_NORM; | |
1255 | t->rangehigh = 0xffffffffUL; | |
1256 | t->signal = 0xffff ; /* LOCKED */ | |
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1261 | struct v4l2_tuner *t) | |
1262 | { | |
1263 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1264 | ||
1265 | if (UNSET == dev->tuner_type) | |
1266 | return -EINVAL; | |
1267 | if (0 != t->index) | |
1268 | return -EINVAL; | |
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1273 | struct v4l2_frequency *f) | |
1274 | { | |
1275 | struct cx23885_fh *fh = priv; | |
1276 | struct cx23885_dev *dev = fh->dev; | |
1277 | ||
1278 | if (unlikely(UNSET == dev->tuner_type)) | |
1279 | return -EINVAL; | |
1280 | ||
1281 | /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ | |
1282 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; | |
1283 | f->frequency = dev->freq; | |
1284 | ||
1285 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f); | |
1286 | ||
1287 | return 0; | |
1288 | } | |
1289 | ||
1290 | int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) | |
1291 | { | |
1292 | if (unlikely(UNSET == dev->tuner_type)) | |
1293 | return -EINVAL; | |
1294 | if (unlikely(f->tuner != 0)) | |
1295 | return -EINVAL; | |
1296 | ||
1297 | mutex_lock(&dev->lock); | |
1298 | dev->freq = f->frequency; | |
1299 | ||
1300 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, f); | |
1301 | ||
1302 | /* When changing channels it is required to reset TVAUDIO */ | |
1303 | msleep(10); | |
1304 | ||
1305 | mutex_unlock(&dev->lock); | |
1306 | ||
1307 | return 0; | |
1308 | } | |
1309 | EXPORT_SYMBOL(cx23885_set_freq); | |
1310 | ||
1311 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1312 | struct v4l2_frequency *f) | |
1313 | { | |
1314 | struct cx23885_fh *fh = priv; | |
1315 | struct cx23885_dev *dev = fh->dev; | |
1316 | ||
1317 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) | |
1318 | return -EINVAL; | |
1319 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
1320 | return -EINVAL; | |
1321 | ||
1322 | return | |
1323 | cx23885_set_freq(dev, f); | |
1324 | } | |
1325 | ||
1326 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1327 | static int vidioc_g_register(struct file *file, void *fh, | |
1328 | struct v4l2_register *reg) | |
1329 | { | |
1330 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1331 | ||
a19602f2 ST |
1332 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
1333 | return -EINVAL; | |
1334 | ||
e47f30b1 ST |
1335 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_G_REGISTER, reg); |
1336 | ||
1337 | return 0; | |
1338 | } | |
1339 | ||
1340 | static int vidioc_s_register(struct file *file, void *fh, | |
1341 | struct v4l2_register *reg) | |
1342 | { | |
1343 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1344 | ||
a19602f2 | 1345 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
e47f30b1 ST |
1346 | return -EINVAL; |
1347 | ||
a19602f2 | 1348 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_S_REGISTER, reg); |
e47f30b1 | 1349 | |
e47f30b1 ST |
1350 | return 0; |
1351 | } | |
a19602f2 | 1352 | #endif |
e47f30b1 ST |
1353 | |
1354 | /* ----------------------------------------------------------- */ | |
1355 | ||
1356 | static void cx23885_vid_timeout(unsigned long data) | |
1357 | { | |
1358 | struct cx23885_dev *dev = (struct cx23885_dev *)data; | |
1359 | struct cx23885_dmaqueue *q = &dev->vidq; | |
1360 | struct cx23885_buffer *buf; | |
1361 | unsigned long flags; | |
1362 | ||
1363 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1364 | ||
1365 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1366 | ||
1367 | spin_lock_irqsave(&dev->slock, flags); | |
1368 | while (!list_empty(&q->active)) { | |
1369 | buf = list_entry(q->active.next, | |
1370 | struct cx23885_buffer, vb.queue); | |
1371 | list_del(&buf->vb.queue); | |
1372 | buf->vb.state = VIDEOBUF_ERROR; | |
1373 | wake_up(&buf->vb.done); | |
1374 | printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n", | |
1375 | dev->name, buf, buf->vb.i, | |
1376 | (unsigned long)buf->risc.dma); | |
1377 | } | |
1378 | cx23885_restart_video_queue(dev, q); | |
1379 | spin_unlock_irqrestore(&dev->slock, flags); | |
1380 | } | |
1381 | ||
1382 | int cx23885_video_irq(struct cx23885_dev *dev, u32 status) | |
1383 | { | |
1384 | u32 mask, count; | |
1385 | int handled = 0; | |
1386 | ||
1387 | mask = cx_read(VID_A_INT_MSK); | |
1388 | if (0 == (status & mask)) | |
1389 | return handled; | |
1390 | cx_write(VID_A_INT_STAT, status); | |
1391 | ||
22b4e64f | 1392 | dprintk(2, "%s() status = 0x%08x\n", __func__, status); |
e47f30b1 ST |
1393 | /* risc op code error */ |
1394 | if (status & (1 << 16)) { | |
1395 | printk(KERN_WARNING "%s/0: video risc op code error\n", | |
1396 | dev->name); | |
1397 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1398 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1399 | } | |
1400 | ||
1401 | /* risc1 y */ | |
1402 | if (status & 0x01) { | |
1403 | spin_lock(&dev->slock); | |
1404 | count = cx_read(VID_A_GPCNT); | |
1405 | cx23885_video_wakeup(dev, &dev->vidq, count); | |
1406 | spin_unlock(&dev->slock); | |
1407 | handled++; | |
1408 | } | |
1409 | /* risc2 y */ | |
1410 | if (status & 0x10) { | |
1411 | dprintk(2, "stopper video\n"); | |
1412 | spin_lock(&dev->slock); | |
1413 | cx23885_restart_video_queue(dev, &dev->vidq); | |
1414 | spin_unlock(&dev->slock); | |
1415 | handled++; | |
1416 | } | |
1417 | ||
1418 | return handled; | |
1419 | } | |
1420 | ||
e47f30b1 ST |
1421 | /* ----------------------------------------------------------- */ |
1422 | /* exported stuff */ | |
1423 | ||
1424 | static const struct file_operations video_fops = { | |
1425 | .owner = THIS_MODULE, | |
1426 | .open = video_open, | |
1427 | .release = video_release, | |
1428 | .read = video_read, | |
1429 | .poll = video_poll, | |
1430 | .mmap = video_mmap, | |
1431 | .ioctl = video_ioctl2, | |
1432 | .compat_ioctl = v4l_compat_ioctl32, | |
1433 | .llseek = no_llseek, | |
1434 | }; | |
1435 | ||
1436 | static struct video_device cx23885_vbi_template; | |
1437 | static struct video_device cx23885_video_template = { | |
1438 | .name = "cx23885-video", | |
1439 | .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES, | |
1440 | .fops = &video_fops, | |
1441 | .minor = -1, | |
1442 | .vidioc_querycap = vidioc_querycap, | |
78b526a4 HV |
1443 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1444 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1445 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1446 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1447 | .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, | |
1448 | .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, | |
1449 | .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, | |
e47f30b1 ST |
1450 | .vidioc_reqbufs = vidioc_reqbufs, |
1451 | .vidioc_querybuf = vidioc_querybuf, | |
1452 | .vidioc_qbuf = vidioc_qbuf, | |
1453 | .vidioc_dqbuf = vidioc_dqbuf, | |
1454 | .vidioc_s_std = vidioc_s_std, | |
1455 | .vidioc_enum_input = vidioc_enum_input, | |
1456 | .vidioc_g_input = vidioc_g_input, | |
1457 | .vidioc_s_input = vidioc_s_input, | |
1458 | .vidioc_queryctrl = vidioc_queryctrl, | |
1459 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1460 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1461 | .vidioc_streamon = vidioc_streamon, | |
1462 | .vidioc_streamoff = vidioc_streamoff, | |
1463 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1464 | .vidiocgmbuf = vidiocgmbuf, | |
1465 | #endif | |
1466 | .vidioc_g_tuner = vidioc_g_tuner, | |
1467 | .vidioc_s_tuner = vidioc_s_tuner, | |
1468 | .vidioc_g_frequency = vidioc_g_frequency, | |
1469 | .vidioc_s_frequency = vidioc_s_frequency, | |
1470 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1471 | .vidioc_g_register = vidioc_g_register, | |
1472 | .vidioc_s_register = vidioc_s_register, | |
1473 | #endif | |
1474 | .tvnorms = CX23885_NORMS, | |
1475 | .current_norm = V4L2_STD_NTSC_M, | |
1476 | }; | |
1477 | ||
1478 | static const struct file_operations radio_fops = { | |
1479 | .owner = THIS_MODULE, | |
1480 | .open = video_open, | |
1481 | .release = video_release, | |
1482 | .ioctl = video_ioctl2, | |
1483 | .compat_ioctl = v4l_compat_ioctl32, | |
1484 | .llseek = no_llseek, | |
1485 | }; | |
1486 | ||
1487 | ||
1488 | void cx23885_video_unregister(struct cx23885_dev *dev) | |
1489 | { | |
22b4e64f | 1490 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1491 | cx_clear(PCI_INT_MSK, 1); |
1492 | ||
1493 | if (dev->video_dev) { | |
1494 | if (-1 != dev->video_dev->minor) | |
1495 | video_unregister_device(dev->video_dev); | |
1496 | else | |
1497 | video_device_release(dev->video_dev); | |
1498 | dev->video_dev = NULL; | |
1499 | ||
1500 | btcx_riscmem_free(dev->pci, &dev->vidq.stopper); | |
1501 | } | |
1502 | } | |
1503 | ||
1504 | int cx23885_video_register(struct cx23885_dev *dev) | |
1505 | { | |
1506 | int err; | |
1507 | ||
22b4e64f | 1508 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1509 | spin_lock_init(&dev->slock); |
1510 | ||
1511 | /* Initialize VBI template */ | |
1512 | memcpy(&cx23885_vbi_template, &cx23885_video_template, | |
1513 | sizeof(cx23885_vbi_template)); | |
1514 | strcpy(cx23885_vbi_template.name, "cx23885-vbi"); | |
1515 | cx23885_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER; | |
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", | |
1543 | dev->name, dev->video_dev->minor & 0x1f); | |
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 |