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> | |
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"); | |
44 | MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>"); | |
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 | ||
247 | const u32 cx23885_user_ctrls[] = { | |
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 | }; | |
257 | EXPORT_SYMBOL(cx23885_user_ctrls); | |
258 | ||
259 | static const u32 *ctrl_classes[] = { | |
260 | cx23885_user_ctrls, | |
261 | NULL | |
262 | }; | |
263 | ||
264 | void cx23885_video_wakeup(struct cx23885_dev *dev, | |
265 | struct cx23885_dmaqueue *q, u32 count) | |
266 | { | |
267 | struct cx23885_buffer *buf; | |
268 | int bc; | |
269 | ||
270 | for (bc = 0;; bc++) { | |
271 | if (list_empty(&q->active)) | |
272 | break; | |
273 | buf = list_entry(q->active.next, | |
274 | struct cx23885_buffer, vb.queue); | |
a19602f2 | 275 | |
e47f30b1 ST |
276 | /* count comes from the hw and is is 16bit wide -- |
277 | * this trick handles wrap-arounds correctly for | |
278 | * up to 32767 buffers in flight... */ | |
279 | if ((s16) (count - buf->count) < 0) | |
280 | break; | |
a19602f2 | 281 | |
e47f30b1 ST |
282 | do_gettimeofday(&buf->vb.ts); |
283 | dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, | |
284 | count, buf->count); | |
285 | buf->vb.state = VIDEOBUF_DONE; | |
286 | list_del(&buf->vb.queue); | |
287 | wake_up(&buf->vb.done); | |
288 | } | |
289 | if (list_empty(&q->active)) { | |
290 | del_timer(&q->timeout); | |
291 | } else { | |
292 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
293 | } | |
294 | if (bc != 1) | |
21a78091 | 295 | printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", |
22b4e64f | 296 | __func__, bc); |
e47f30b1 ST |
297 | } |
298 | ||
299 | int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) | |
300 | { | |
301 | dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", | |
22b4e64f | 302 | __func__, |
e47f30b1 ST |
303 | (unsigned int)norm, |
304 | v4l2_norm_to_name(norm)); | |
305 | ||
306 | dev->tvnorm = norm; | |
307 | ||
e47f30b1 ST |
308 | /* Tell the analog tuner/demods */ |
309 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_STD, &norm); | |
310 | ||
311 | /* Tell the internal A/V decoder */ | |
312 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_STD, &norm); | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
317 | struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, | |
318 | struct pci_dev *pci, | |
319 | struct video_device *template, | |
320 | char *type) | |
321 | { | |
322 | struct video_device *vfd; | |
22b4e64f | 323 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
324 | |
325 | vfd = video_device_alloc(); | |
326 | if (NULL == vfd) | |
327 | return NULL; | |
328 | *vfd = *template; | |
329 | vfd->minor = -1; | |
5e85e732 | 330 | vfd->parent = &pci->dev; |
e47f30b1 ST |
331 | vfd->release = video_device_release; |
332 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", | |
333 | dev->name, type, cx23885_boards[dev->board].name); | |
334 | return vfd; | |
335 | } | |
336 | ||
337 | int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) | |
338 | { | |
339 | int i; | |
340 | ||
341 | if (qctrl->id < V4L2_CID_BASE || | |
342 | qctrl->id >= V4L2_CID_LASTP1) | |
343 | return -EINVAL; | |
344 | for (i = 0; i < CX23885_CTLS; i++) | |
345 | if (cx23885_ctls[i].v.id == qctrl->id) | |
346 | break; | |
347 | if (i == CX23885_CTLS) { | |
348 | *qctrl = no_ctl; | |
349 | return 0; | |
350 | } | |
351 | *qctrl = cx23885_ctls[i].v; | |
352 | return 0; | |
353 | } | |
354 | EXPORT_SYMBOL(cx23885_ctrl_query); | |
355 | ||
356 | /* ------------------------------------------------------------------- */ | |
357 | /* resource management */ | |
358 | ||
359 | static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, | |
360 | unsigned int bit) | |
361 | { | |
22b4e64f | 362 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
363 | if (fh->resources & bit) |
364 | /* have it already allocated */ | |
365 | return 1; | |
366 | ||
367 | /* is it free? */ | |
368 | mutex_lock(&dev->lock); | |
369 | if (dev->resources & bit) { | |
370 | /* no, someone else uses it */ | |
371 | mutex_unlock(&dev->lock); | |
372 | return 0; | |
373 | } | |
374 | /* it's free, grab it */ | |
375 | fh->resources |= bit; | |
376 | dev->resources |= bit; | |
377 | dprintk(1, "res: get %d\n", bit); | |
378 | mutex_unlock(&dev->lock); | |
379 | return 1; | |
380 | } | |
381 | ||
382 | static int res_check(struct cx23885_fh *fh, unsigned int bit) | |
383 | { | |
384 | return (fh->resources & bit); | |
385 | } | |
386 | ||
387 | static int res_locked(struct cx23885_dev *dev, unsigned int bit) | |
388 | { | |
389 | return (dev->resources & bit); | |
390 | } | |
391 | ||
392 | static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, | |
393 | unsigned int bits) | |
394 | { | |
395 | BUG_ON((fh->resources & bits) != bits); | |
22b4e64f | 396 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
397 | |
398 | mutex_lock(&dev->lock); | |
399 | fh->resources &= ~bits; | |
400 | dev->resources &= ~bits; | |
401 | dprintk(1, "res: put %d\n", bits); | |
402 | mutex_unlock(&dev->lock); | |
403 | } | |
404 | ||
405 | int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) | |
406 | { | |
407 | struct v4l2_routing route; | |
408 | memset(&route, 0, sizeof(route)); | |
409 | ||
410 | dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", | |
22b4e64f | 411 | __func__, |
e47f30b1 ST |
412 | input, INPUT(input)->vmux, |
413 | INPUT(input)->gpio0, INPUT(input)->gpio1, | |
414 | INPUT(input)->gpio2, INPUT(input)->gpio3); | |
415 | dev->input = input; | |
416 | ||
417 | route.input = INPUT(input)->vmux; | |
418 | ||
419 | /* Tell the internal A/V decoder */ | |
420 | cx23885_call_i2c_clients(&dev->i2c_bus[2], | |
421 | VIDIOC_INT_S_VIDEO_ROUTING, &route); | |
422 | ||
423 | return 0; | |
424 | } | |
425 | EXPORT_SYMBOL(cx23885_video_mux); | |
426 | ||
427 | /* ------------------------------------------------------------------ */ | |
428 | int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, | |
429 | unsigned int height, enum v4l2_field field) | |
430 | { | |
22b4e64f | 431 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
432 | return 0; |
433 | } | |
434 | ||
435 | static int cx23885_start_video_dma(struct cx23885_dev *dev, | |
436 | struct cx23885_dmaqueue *q, | |
437 | struct cx23885_buffer *buf) | |
438 | { | |
22b4e64f | 439 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
440 | |
441 | /* setup fifo + format */ | |
442 | cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], | |
443 | buf->bpl, buf->risc.dma); | |
444 | cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field); | |
445 | ||
446 | /* reset counter */ | |
447 | cx_write(VID_A_GPCNT_CTL, 3); | |
448 | q->count = 1; | |
449 | ||
450 | /* enable irq */ | |
451 | cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01); | |
452 | cx_set(VID_A_INT_MSK, 0x000011); | |
453 | ||
454 | /* start dma */ | |
455 | cx_set(DEV_CNTRL2, (1<<5)); | |
456 | cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ | |
457 | ||
458 | return 0; | |
459 | } | |
460 | ||
e47f30b1 ST |
461 | |
462 | static int cx23885_restart_video_queue(struct cx23885_dev *dev, | |
463 | struct cx23885_dmaqueue *q) | |
464 | { | |
465 | struct cx23885_buffer *buf, *prev; | |
466 | struct list_head *item; | |
22b4e64f | 467 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
468 | |
469 | if (!list_empty(&q->active)) { | |
470 | buf = list_entry(q->active.next, struct cx23885_buffer, | |
471 | vb.queue); | |
472 | dprintk(2, "restart_queue [%p/%d]: restart dma\n", | |
473 | buf, buf->vb.i); | |
474 | cx23885_start_video_dma(dev, q, buf); | |
475 | list_for_each(item, &q->active) { | |
476 | buf = list_entry(item, struct cx23885_buffer, | |
477 | vb.queue); | |
478 | buf->count = q->count++; | |
479 | } | |
480 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
481 | return 0; | |
482 | } | |
483 | ||
484 | prev = NULL; | |
485 | for (;;) { | |
486 | if (list_empty(&q->queued)) | |
487 | return 0; | |
488 | buf = list_entry(q->queued.next, struct cx23885_buffer, | |
489 | vb.queue); | |
490 | if (NULL == prev) { | |
491 | list_move_tail(&buf->vb.queue, &q->active); | |
492 | cx23885_start_video_dma(dev, q, buf); | |
493 | buf->vb.state = VIDEOBUF_ACTIVE; | |
494 | buf->count = q->count++; | |
495 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
496 | dprintk(2, "[%p/%d] restart_queue - first active\n", | |
497 | buf, buf->vb.i); | |
498 | ||
499 | } else if (prev->vb.width == buf->vb.width && | |
500 | prev->vb.height == buf->vb.height && | |
501 | prev->fmt == buf->fmt) { | |
502 | list_move_tail(&buf->vb.queue, &q->active); | |
503 | buf->vb.state = VIDEOBUF_ACTIVE; | |
504 | buf->count = q->count++; | |
505 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
506 | prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ | |
507 | dprintk(2, "[%p/%d] restart_queue - move to active\n", | |
508 | buf, buf->vb.i); | |
509 | } else { | |
510 | return 0; | |
511 | } | |
512 | prev = buf; | |
513 | } | |
514 | } | |
515 | ||
516 | static int buffer_setup(struct videobuf_queue *q, unsigned int *count, | |
517 | unsigned int *size) | |
518 | { | |
519 | struct cx23885_fh *fh = q->priv_data; | |
520 | ||
521 | *size = fh->fmt->depth*fh->width*fh->height >> 3; | |
522 | if (0 == *count) | |
523 | *count = 32; | |
524 | while (*size * *count > vid_limit * 1024 * 1024) | |
525 | (*count)--; | |
526 | return 0; | |
527 | } | |
528 | ||
529 | static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, | |
530 | enum v4l2_field field) | |
531 | { | |
532 | struct cx23885_fh *fh = q->priv_data; | |
533 | struct cx23885_dev *dev = fh->dev; | |
534 | struct cx23885_buffer *buf = | |
535 | container_of(vb, struct cx23885_buffer, vb); | |
536 | int rc, init_buffer = 0; | |
537 | u32 line0_offset, line1_offset; | |
538 | struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); | |
539 | ||
540 | BUG_ON(NULL == fh->fmt); | |
541 | if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || | |
542 | fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) | |
543 | return -EINVAL; | |
544 | buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; | |
545 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
546 | return -EINVAL; | |
547 | ||
548 | if (buf->fmt != fh->fmt || | |
549 | buf->vb.width != fh->width || | |
550 | buf->vb.height != fh->height || | |
551 | buf->vb.field != field) { | |
552 | buf->fmt = fh->fmt; | |
553 | buf->vb.width = fh->width; | |
554 | buf->vb.height = fh->height; | |
555 | buf->vb.field = field; | |
556 | init_buffer = 1; | |
557 | } | |
558 | ||
559 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
560 | init_buffer = 1; | |
561 | rc = videobuf_iolock(q, &buf->vb, NULL); | |
562 | if (0 != rc) | |
563 | goto fail; | |
564 | } | |
565 | ||
566 | if (init_buffer) { | |
567 | buf->bpl = buf->vb.width * buf->fmt->depth >> 3; | |
568 | switch (buf->vb.field) { | |
569 | case V4L2_FIELD_TOP: | |
570 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
571 | dma->sglist, 0, UNSET, | |
572 | buf->bpl, 0, buf->vb.height); | |
573 | break; | |
574 | case V4L2_FIELD_BOTTOM: | |
575 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
576 | dma->sglist, UNSET, 0, | |
577 | buf->bpl, 0, buf->vb.height); | |
578 | break; | |
579 | case V4L2_FIELD_INTERLACED: | |
580 | if (dev->tvnorm & V4L2_STD_NTSC) { | |
581 | /* cx25840 transmits NTSC bottom field first */ | |
582 | dprintk(1, "%s() Creating NTSC risc\n", | |
22b4e64f | 583 | __func__); |
e47f30b1 ST |
584 | line0_offset = buf->bpl; |
585 | line1_offset = 0; | |
586 | } else { | |
587 | /* All other formats are top field first */ | |
588 | dprintk(1, "%s() Creating PAL/SECAM risc\n", | |
22b4e64f | 589 | __func__); |
e47f30b1 ST |
590 | line0_offset = 0; |
591 | line1_offset = buf->bpl; | |
592 | } | |
593 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
594 | dma->sglist, line0_offset, | |
595 | line1_offset, | |
596 | buf->bpl, buf->bpl, | |
597 | buf->vb.height >> 1); | |
598 | break; | |
599 | case V4L2_FIELD_SEQ_TB: | |
600 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
601 | dma->sglist, | |
602 | 0, buf->bpl * (buf->vb.height >> 1), | |
603 | buf->bpl, 0, | |
604 | buf->vb.height >> 1); | |
605 | break; | |
606 | case V4L2_FIELD_SEQ_BT: | |
607 | cx23885_risc_buffer(dev->pci, &buf->risc, | |
608 | dma->sglist, | |
609 | buf->bpl * (buf->vb.height >> 1), 0, | |
610 | buf->bpl, 0, | |
611 | buf->vb.height >> 1); | |
612 | break; | |
613 | default: | |
614 | BUG(); | |
615 | } | |
616 | } | |
617 | dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", | |
618 | buf, buf->vb.i, | |
619 | fh->width, fh->height, fh->fmt->depth, fh->fmt->name, | |
620 | (unsigned long)buf->risc.dma); | |
621 | ||
622 | buf->vb.state = VIDEOBUF_PREPARED; | |
623 | return 0; | |
624 | ||
625 | fail: | |
626 | cx23885_free_buffer(q, buf); | |
627 | return rc; | |
628 | } | |
629 | ||
630 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
631 | { | |
632 | struct cx23885_buffer *buf = container_of(vb, | |
633 | struct cx23885_buffer, vb); | |
634 | struct cx23885_buffer *prev; | |
635 | struct cx23885_fh *fh = vq->priv_data; | |
636 | struct cx23885_dev *dev = fh->dev; | |
637 | struct cx23885_dmaqueue *q = &dev->vidq; | |
638 | ||
639 | /* add jump to stopper */ | |
640 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
641 | buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); | |
642 | buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ | |
643 | ||
644 | if (!list_empty(&q->queued)) { | |
645 | list_add_tail(&buf->vb.queue, &q->queued); | |
646 | buf->vb.state = VIDEOBUF_QUEUED; | |
647 | dprintk(2, "[%p/%d] buffer_queue - append to queued\n", | |
648 | buf, buf->vb.i); | |
649 | ||
650 | } else if (list_empty(&q->active)) { | |
651 | list_add_tail(&buf->vb.queue, &q->active); | |
652 | cx23885_start_video_dma(dev, q, buf); | |
653 | buf->vb.state = VIDEOBUF_ACTIVE; | |
654 | buf->count = q->count++; | |
655 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
656 | dprintk(2, "[%p/%d] buffer_queue - first active\n", | |
657 | buf, buf->vb.i); | |
658 | ||
659 | } else { | |
660 | prev = list_entry(q->active.prev, struct cx23885_buffer, | |
661 | vb.queue); | |
662 | if (prev->vb.width == buf->vb.width && | |
663 | prev->vb.height == buf->vb.height && | |
664 | prev->fmt == buf->fmt) { | |
665 | list_add_tail(&buf->vb.queue, &q->active); | |
666 | buf->vb.state = VIDEOBUF_ACTIVE; | |
667 | buf->count = q->count++; | |
668 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
669 | /* 64 bit bits 63-32 */ | |
670 | prev->risc.jmp[2] = cpu_to_le32(0); | |
671 | dprintk(2, "[%p/%d] buffer_queue - append to active\n", | |
672 | buf, buf->vb.i); | |
673 | ||
674 | } else { | |
675 | list_add_tail(&buf->vb.queue, &q->queued); | |
676 | buf->vb.state = VIDEOBUF_QUEUED; | |
677 | dprintk(2, "[%p/%d] buffer_queue - first queued\n", | |
678 | buf, buf->vb.i); | |
679 | } | |
680 | } | |
681 | } | |
682 | ||
683 | static void buffer_release(struct videobuf_queue *q, | |
684 | struct videobuf_buffer *vb) | |
685 | { | |
686 | struct cx23885_buffer *buf = container_of(vb, | |
687 | struct cx23885_buffer, vb); | |
688 | ||
689 | cx23885_free_buffer(q, buf); | |
690 | } | |
691 | ||
692 | static struct videobuf_queue_ops cx23885_video_qops = { | |
693 | .buf_setup = buffer_setup, | |
694 | .buf_prepare = buffer_prepare, | |
695 | .buf_queue = buffer_queue, | |
696 | .buf_release = buffer_release, | |
697 | }; | |
698 | ||
699 | static struct videobuf_queue *get_queue(struct cx23885_fh *fh) | |
700 | { | |
701 | switch (fh->type) { | |
702 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
703 | return &fh->vidq; | |
704 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
705 | return &fh->vbiq; | |
706 | default: | |
707 | BUG(); | |
708 | return NULL; | |
709 | } | |
710 | } | |
711 | ||
712 | static int get_resource(struct cx23885_fh *fh) | |
713 | { | |
714 | switch (fh->type) { | |
715 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
716 | return RESOURCE_VIDEO; | |
717 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
718 | return RESOURCE_VBI; | |
719 | default: | |
720 | BUG(); | |
721 | return 0; | |
722 | } | |
723 | } | |
724 | ||
725 | static int video_open(struct inode *inode, struct file *file) | |
726 | { | |
727 | int minor = iminor(inode); | |
728 | struct cx23885_dev *h, *dev = NULL; | |
729 | struct cx23885_fh *fh; | |
730 | struct list_head *list; | |
731 | enum v4l2_buf_type type = 0; | |
732 | int radio = 0; | |
733 | ||
734 | list_for_each(list, &cx23885_devlist) { | |
735 | h = list_entry(list, struct cx23885_dev, devlist); | |
736 | if (h->video_dev->minor == minor) { | |
737 | dev = h; | |
738 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
739 | } | |
740 | if (h->vbi_dev && | |
741 | h->vbi_dev->minor == minor) { | |
742 | dev = h; | |
743 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
744 | } | |
745 | if (h->radio_dev && | |
746 | h->radio_dev->minor == minor) { | |
747 | radio = 1; | |
748 | dev = h; | |
749 | } | |
750 | } | |
751 | if (NULL == dev) | |
752 | return -ENODEV; | |
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); | |
759 | if (NULL == fh) | |
760 | return -ENOMEM; | |
761 | file->private_data = fh; | |
762 | fh->dev = dev; | |
763 | fh->radio = radio; | |
764 | fh->type = type; | |
765 | fh->width = 320; | |
766 | fh->height = 240; | |
767 | fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); | |
768 | ||
0705135e GL |
769 | videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, |
770 | &dev->pci->dev, &dev->slock, | |
e47f30b1 ST |
771 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
772 | V4L2_FIELD_INTERLACED, | |
773 | sizeof(struct cx23885_buffer), | |
774 | fh); | |
775 | ||
776 | dprintk(1, "post videobuf_queue_init()\n"); | |
777 | ||
778 | ||
779 | return 0; | |
780 | } | |
781 | ||
782 | static ssize_t video_read(struct file *file, char __user *data, | |
783 | size_t count, loff_t *ppos) | |
784 | { | |
785 | struct cx23885_fh *fh = file->private_data; | |
786 | ||
787 | switch (fh->type) { | |
788 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
789 | if (res_locked(fh->dev, RESOURCE_VIDEO)) | |
790 | return -EBUSY; | |
791 | return videobuf_read_one(&fh->vidq, data, count, ppos, | |
792 | file->f_flags & O_NONBLOCK); | |
793 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
794 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
795 | return -EBUSY; | |
796 | return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, | |
797 | file->f_flags & O_NONBLOCK); | |
798 | default: | |
799 | BUG(); | |
800 | return 0; | |
801 | } | |
802 | } | |
803 | ||
804 | static unsigned int video_poll(struct file *file, | |
805 | struct poll_table_struct *wait) | |
806 | { | |
807 | struct cx23885_fh *fh = file->private_data; | |
808 | struct cx23885_buffer *buf; | |
809 | ||
810 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { | |
811 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) | |
812 | return POLLERR; | |
813 | return videobuf_poll_stream(file, &fh->vbiq, wait); | |
814 | } | |
815 | ||
816 | if (res_check(fh, RESOURCE_VIDEO)) { | |
817 | /* streaming capture */ | |
818 | if (list_empty(&fh->vidq.stream)) | |
819 | return POLLERR; | |
820 | buf = list_entry(fh->vidq.stream.next, | |
821 | struct cx23885_buffer, vb.stream); | |
822 | } else { | |
823 | /* read() capture */ | |
824 | buf = (struct cx23885_buffer *)fh->vidq.read_buf; | |
825 | if (NULL == buf) | |
826 | return POLLERR; | |
827 | } | |
828 | poll_wait(file, &buf->vb.done, wait); | |
829 | if (buf->vb.state == VIDEOBUF_DONE || | |
830 | buf->vb.state == VIDEOBUF_ERROR) | |
831 | return POLLIN|POLLRDNORM; | |
832 | return 0; | |
833 | } | |
834 | ||
835 | static int video_release(struct inode *inode, struct file *file) | |
836 | { | |
837 | struct cx23885_fh *fh = file->private_data; | |
838 | struct cx23885_dev *dev = fh->dev; | |
839 | ||
840 | /* turn off overlay */ | |
841 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
842 | /* FIXME */ | |
843 | res_free(dev, fh, RESOURCE_OVERLAY); | |
844 | } | |
845 | ||
846 | /* stop video capture */ | |
847 | if (res_check(fh, RESOURCE_VIDEO)) { | |
848 | videobuf_queue_cancel(&fh->vidq); | |
849 | res_free(dev, fh, RESOURCE_VIDEO); | |
850 | } | |
851 | if (fh->vidq.read_buf) { | |
852 | buffer_release(&fh->vidq, fh->vidq.read_buf); | |
853 | kfree(fh->vidq.read_buf); | |
854 | } | |
855 | ||
856 | /* stop vbi capture */ | |
857 | if (res_check(fh, RESOURCE_VBI)) { | |
858 | if (fh->vbiq.streaming) | |
859 | videobuf_streamoff(&fh->vbiq); | |
860 | if (fh->vbiq.reading) | |
861 | videobuf_read_stop(&fh->vbiq); | |
862 | res_free(dev, fh, RESOURCE_VBI); | |
863 | } | |
864 | ||
865 | videobuf_mmap_free(&fh->vidq); | |
866 | file->private_data = NULL; | |
867 | kfree(fh); | |
868 | ||
a19602f2 ST |
869 | /* We are not putting the tuner to sleep here on exit, because |
870 | * we want to use the mpeg encoder in another session to capture | |
871 | * tuner video. Closing this will result in no video to the encoder. | |
872 | */ | |
e47f30b1 ST |
873 | |
874 | return 0; | |
875 | } | |
876 | ||
877 | static int video_mmap(struct file *file, struct vm_area_struct *vma) | |
878 | { | |
879 | struct cx23885_fh *fh = file->private_data; | |
880 | ||
881 | return videobuf_mmap_mapper(get_queue(fh), vma); | |
882 | } | |
883 | ||
884 | /* ------------------------------------------------------------------ */ | |
885 | /* VIDEO CTRL IOCTLS */ | |
886 | ||
887 | int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl) | |
888 | { | |
22b4e64f | 889 | dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); |
e47f30b1 ST |
890 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl); |
891 | return 0; | |
892 | } | |
893 | EXPORT_SYMBOL(cx23885_get_control); | |
894 | ||
895 | int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl) | |
896 | { | |
897 | dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)" | |
22b4e64f | 898 | " (disabled - no action)\n", __func__); |
e47f30b1 ST |
899 | return 0; |
900 | } | |
901 | EXPORT_SYMBOL(cx23885_set_control); | |
902 | ||
903 | static void init_controls(struct cx23885_dev *dev) | |
904 | { | |
905 | struct v4l2_control ctrl; | |
906 | int i; | |
907 | ||
908 | for (i = 0; i < CX23885_CTLS; i++) { | |
909 | ctrl.id = cx23885_ctls[i].v.id; | |
910 | ctrl.value = cx23885_ctls[i].v.default_value; | |
911 | ||
912 | cx23885_set_control(dev, &ctrl); | |
913 | } | |
914 | } | |
915 | ||
916 | /* ------------------------------------------------------------------ */ | |
917 | /* VIDEO IOCTLS */ | |
918 | ||
78b526a4 | 919 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
920 | struct v4l2_format *f) |
921 | { | |
922 | struct cx23885_fh *fh = priv; | |
923 | ||
924 | f->fmt.pix.width = fh->width; | |
925 | f->fmt.pix.height = fh->height; | |
926 | f->fmt.pix.field = fh->vidq.field; | |
927 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
928 | f->fmt.pix.bytesperline = | |
929 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
930 | f->fmt.pix.sizeimage = | |
931 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
932 | ||
933 | return 0; | |
934 | } | |
935 | ||
78b526a4 | 936 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
937 | struct v4l2_format *f) |
938 | { | |
939 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
940 | struct cx23885_fmt *fmt; | |
941 | enum v4l2_field field; | |
942 | unsigned int maxw, maxh; | |
943 | ||
944 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
945 | if (NULL == fmt) | |
946 | return -EINVAL; | |
947 | ||
948 | field = f->fmt.pix.field; | |
949 | maxw = norm_maxw(dev->tvnorm); | |
950 | maxh = norm_maxh(dev->tvnorm); | |
951 | ||
952 | if (V4L2_FIELD_ANY == field) { | |
953 | field = (f->fmt.pix.height > maxh/2) | |
954 | ? V4L2_FIELD_INTERLACED | |
955 | : V4L2_FIELD_BOTTOM; | |
956 | } | |
957 | ||
958 | switch (field) { | |
959 | case V4L2_FIELD_TOP: | |
960 | case V4L2_FIELD_BOTTOM: | |
961 | maxh = maxh / 2; | |
962 | break; | |
963 | case V4L2_FIELD_INTERLACED: | |
964 | break; | |
965 | default: | |
966 | return -EINVAL; | |
967 | } | |
968 | ||
969 | f->fmt.pix.field = field; | |
970 | if (f->fmt.pix.height < 32) | |
971 | f->fmt.pix.height = 32; | |
972 | if (f->fmt.pix.height > maxh) | |
973 | f->fmt.pix.height = maxh; | |
974 | if (f->fmt.pix.width < 48) | |
975 | f->fmt.pix.width = 48; | |
976 | if (f->fmt.pix.width > maxw) | |
977 | f->fmt.pix.width = maxw; | |
978 | f->fmt.pix.width &= ~0x03; | |
979 | f->fmt.pix.bytesperline = | |
980 | (f->fmt.pix.width * fmt->depth) >> 3; | |
981 | f->fmt.pix.sizeimage = | |
982 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
983 | ||
984 | return 0; | |
985 | } | |
986 | ||
78b526a4 | 987 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
988 | struct v4l2_format *f) |
989 | { | |
990 | struct cx23885_fh *fh = priv; | |
991 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
992 | int err; | |
993 | ||
22b4e64f | 994 | dprintk(2, "%s()\n", __func__); |
78b526a4 | 995 | err = vidioc_try_fmt_vid_cap(file, priv, f); |
e47f30b1 ST |
996 | |
997 | if (0 != err) | |
998 | return err; | |
999 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1000 | fh->width = f->fmt.pix.width; | |
1001 | fh->height = f->fmt.pix.height; | |
1002 | fh->vidq.field = f->fmt.pix.field; | |
22b4e64f | 1003 | dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, |
e47f30b1 ST |
1004 | fh->width, fh->height, fh->vidq.field); |
1005 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_FMT, f); | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | static int vidioc_querycap(struct file *file, void *priv, | |
1010 | struct v4l2_capability *cap) | |
1011 | { | |
1012 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1013 | ||
1014 | strcpy(cap->driver, "cx23885"); | |
1015 | strlcpy(cap->card, cx23885_boards[dev->board].name, | |
1016 | sizeof(cap->card)); | |
1017 | sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); | |
1018 | cap->version = CX23885_VERSION_CODE; | |
1019 | cap->capabilities = | |
1020 | V4L2_CAP_VIDEO_CAPTURE | | |
1021 | V4L2_CAP_READWRITE | | |
1022 | V4L2_CAP_STREAMING | | |
1023 | V4L2_CAP_VBI_CAPTURE; | |
1024 | if (UNSET != dev->tuner_type) | |
1025 | cap->capabilities |= V4L2_CAP_TUNER; | |
1026 | return 0; | |
1027 | } | |
1028 | ||
78b526a4 | 1029 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
e47f30b1 ST |
1030 | struct v4l2_fmtdesc *f) |
1031 | { | |
1032 | if (unlikely(f->index >= ARRAY_SIZE(formats))) | |
1033 | return -EINVAL; | |
1034 | ||
1035 | strlcpy(f->description, formats[f->index].name, | |
1036 | sizeof(f->description)); | |
1037 | f->pixelformat = formats[f->index].fourcc; | |
1038 | ||
1039 | return 0; | |
1040 | } | |
1041 | ||
1042 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1043 | static int vidiocgmbuf(struct file *file, void *priv, | |
1044 | struct video_mbuf *mbuf) | |
1045 | { | |
1046 | struct cx23885_fh *fh = priv; | |
1047 | struct videobuf_queue *q; | |
1048 | struct v4l2_requestbuffers req; | |
1049 | unsigned int i; | |
1050 | int err; | |
1051 | ||
1052 | q = get_queue(fh); | |
1053 | memset(&req, 0, sizeof(req)); | |
1054 | req.type = q->type; | |
1055 | req.count = 8; | |
1056 | req.memory = V4L2_MEMORY_MMAP; | |
1057 | err = videobuf_reqbufs(q, &req); | |
1058 | if (err < 0) | |
1059 | return err; | |
1060 | ||
1061 | mbuf->frames = req.count; | |
1062 | mbuf->size = 0; | |
1063 | for (i = 0; i < mbuf->frames; i++) { | |
1064 | mbuf->offsets[i] = q->bufs[i]->boff; | |
1065 | mbuf->size += q->bufs[i]->bsize; | |
1066 | } | |
1067 | return 0; | |
1068 | } | |
1069 | #endif | |
1070 | ||
1071 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1072 | struct v4l2_requestbuffers *p) | |
1073 | { | |
1074 | struct cx23885_fh *fh = priv; | |
1075 | return (videobuf_reqbufs(get_queue(fh), p)); | |
1076 | } | |
1077 | ||
1078 | static int vidioc_querybuf(struct file *file, void *priv, | |
1079 | struct v4l2_buffer *p) | |
1080 | { | |
1081 | struct cx23885_fh *fh = priv; | |
1082 | return (videobuf_querybuf(get_queue(fh), p)); | |
1083 | } | |
1084 | ||
1085 | static int vidioc_qbuf(struct file *file, void *priv, | |
1086 | struct v4l2_buffer *p) | |
1087 | { | |
1088 | struct cx23885_fh *fh = priv; | |
1089 | return (videobuf_qbuf(get_queue(fh), p)); | |
1090 | } | |
1091 | ||
1092 | static int vidioc_dqbuf(struct file *file, void *priv, | |
1093 | struct v4l2_buffer *p) | |
1094 | { | |
1095 | struct cx23885_fh *fh = priv; | |
1096 | return (videobuf_dqbuf(get_queue(fh), p, | |
1097 | file->f_flags & O_NONBLOCK)); | |
1098 | } | |
1099 | ||
1100 | static int vidioc_streamon(struct file *file, void *priv, | |
1101 | enum v4l2_buf_type i) | |
1102 | { | |
1103 | struct cx23885_fh *fh = priv; | |
1104 | struct cx23885_dev *dev = fh->dev; | |
22b4e64f | 1105 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1106 | |
1107 | if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) | |
1108 | return -EINVAL; | |
1109 | if (unlikely(i != fh->type)) | |
1110 | return -EINVAL; | |
1111 | ||
1112 | if (unlikely(!res_get(dev, fh, get_resource(fh)))) | |
1113 | return -EBUSY; | |
1114 | return videobuf_streamon(get_queue(fh)); | |
1115 | } | |
1116 | ||
1117 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1118 | { | |
1119 | struct cx23885_fh *fh = priv; | |
1120 | struct cx23885_dev *dev = fh->dev; | |
1121 | int err, res; | |
22b4e64f | 1122 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1123 | |
1124 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1125 | return -EINVAL; | |
1126 | if (i != fh->type) | |
1127 | return -EINVAL; | |
1128 | ||
1129 | res = get_resource(fh); | |
1130 | err = videobuf_streamoff(get_queue(fh)); | |
1131 | if (err < 0) | |
1132 | return err; | |
1133 | res_free(dev, fh, res); | |
1134 | return 0; | |
1135 | } | |
1136 | ||
1137 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) | |
1138 | { | |
1139 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
22b4e64f | 1140 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1141 | |
1142 | mutex_lock(&dev->lock); | |
1143 | cx23885_set_tvnorm(dev, *tvnorms); | |
1144 | mutex_unlock(&dev->lock); | |
1145 | ||
1146 | return 0; | |
1147 | } | |
1148 | ||
1149 | int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) | |
1150 | { | |
1151 | static const char *iname[] = { | |
1152 | [CX23885_VMUX_COMPOSITE1] = "Composite1", | |
1153 | [CX23885_VMUX_COMPOSITE2] = "Composite2", | |
1154 | [CX23885_VMUX_COMPOSITE3] = "Composite3", | |
1155 | [CX23885_VMUX_COMPOSITE4] = "Composite4", | |
1156 | [CX23885_VMUX_SVIDEO] = "S-Video", | |
1157 | [CX23885_VMUX_TELEVISION] = "Television", | |
1158 | [CX23885_VMUX_CABLE] = "Cable TV", | |
1159 | [CX23885_VMUX_DVB] = "DVB", | |
1160 | [CX23885_VMUX_DEBUG] = "for debug only", | |
1161 | }; | |
1162 | unsigned int n; | |
22b4e64f | 1163 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1164 | |
1165 | n = i->index; | |
1166 | if (n >= 4) | |
1167 | return -EINVAL; | |
1168 | ||
1169 | if (0 == INPUT(n)->type) | |
1170 | return -EINVAL; | |
1171 | ||
1172 | memset(i, 0, sizeof(*i)); | |
1173 | i->index = n; | |
1174 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1175 | strcpy(i->name, iname[INPUT(n)->type]); | |
1176 | if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || | |
1177 | (CX23885_VMUX_CABLE == INPUT(n)->type)) | |
1178 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1179 | i->std = CX23885_NORMS; | |
1180 | return 0; | |
1181 | } | |
1182 | EXPORT_SYMBOL(cx23885_enum_input); | |
1183 | ||
1184 | static int vidioc_enum_input(struct file *file, void *priv, | |
1185 | struct v4l2_input *i) | |
1186 | { | |
1187 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
22b4e64f | 1188 | dprintk(1, "%s()\n", __func__); |
e47f30b1 ST |
1189 | return cx23885_enum_input(dev, i); |
1190 | } | |
1191 | ||
1192 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1193 | { | |
1194 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1195 | ||
1196 | *i = dev->input; | |
22b4e64f | 1197 | dprintk(1, "%s() returns %d\n", __func__, *i); |
e47f30b1 ST |
1198 | return 0; |
1199 | } | |
1200 | ||
1201 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1202 | { | |
1203 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1204 | ||
22b4e64f | 1205 | dprintk(1, "%s(%d)\n", __func__, i); |
e47f30b1 ST |
1206 | |
1207 | if (i >= 4) { | |
22b4e64f | 1208 | dprintk(1, "%s() -EINVAL\n", __func__); |
e47f30b1 ST |
1209 | return -EINVAL; |
1210 | } | |
1211 | ||
1212 | mutex_lock(&dev->lock); | |
1213 | cx23885_video_mux(dev, i); | |
1214 | mutex_unlock(&dev->lock); | |
1215 | return 0; | |
1216 | } | |
1217 | ||
1218 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1219 | struct v4l2_queryctrl *qctrl) | |
1220 | { | |
1221 | qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); | |
1222 | if (unlikely(qctrl->id == 0)) | |
1223 | return -EINVAL; | |
1224 | return cx23885_ctrl_query(qctrl); | |
1225 | } | |
1226 | ||
1227 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1228 | struct v4l2_control *ctl) | |
1229 | { | |
1230 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1231 | ||
1232 | return cx23885_get_control(dev, ctl); | |
1233 | } | |
1234 | ||
1235 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1236 | struct v4l2_control *ctl) | |
1237 | { | |
1238 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1239 | ||
1240 | return cx23885_set_control(dev, ctl); | |
1241 | } | |
1242 | ||
1243 | static int vidioc_g_tuner(struct file *file, void *priv, | |
1244 | struct v4l2_tuner *t) | |
1245 | { | |
1246 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1247 | ||
1248 | if (unlikely(UNSET == dev->tuner_type)) | |
1249 | return -EINVAL; | |
1250 | if (0 != t->index) | |
1251 | return -EINVAL; | |
1252 | ||
1253 | strcpy(t->name, "Television"); | |
1254 | t->type = V4L2_TUNER_ANALOG_TV; | |
1255 | t->capability = V4L2_TUNER_CAP_NORM; | |
1256 | t->rangehigh = 0xffffffffUL; | |
1257 | t->signal = 0xffff ; /* LOCKED */ | |
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1262 | struct v4l2_tuner *t) | |
1263 | { | |
1264 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; | |
1265 | ||
1266 | if (UNSET == dev->tuner_type) | |
1267 | return -EINVAL; | |
1268 | if (0 != t->index) | |
1269 | return -EINVAL; | |
1270 | return 0; | |
1271 | } | |
1272 | ||
1273 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1274 | struct v4l2_frequency *f) | |
1275 | { | |
1276 | struct cx23885_fh *fh = priv; | |
1277 | struct cx23885_dev *dev = fh->dev; | |
1278 | ||
1279 | if (unlikely(UNSET == dev->tuner_type)) | |
1280 | return -EINVAL; | |
1281 | ||
1282 | /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ | |
1283 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; | |
1284 | f->frequency = dev->freq; | |
1285 | ||
1286 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f); | |
1287 | ||
1288 | return 0; | |
1289 | } | |
1290 | ||
1291 | int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) | |
1292 | { | |
1293 | if (unlikely(UNSET == dev->tuner_type)) | |
1294 | return -EINVAL; | |
1295 | if (unlikely(f->tuner != 0)) | |
1296 | return -EINVAL; | |
1297 | ||
1298 | mutex_lock(&dev->lock); | |
1299 | dev->freq = f->frequency; | |
1300 | ||
1301 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, f); | |
1302 | ||
1303 | /* When changing channels it is required to reset TVAUDIO */ | |
1304 | msleep(10); | |
1305 | ||
1306 | mutex_unlock(&dev->lock); | |
1307 | ||
1308 | return 0; | |
1309 | } | |
1310 | EXPORT_SYMBOL(cx23885_set_freq); | |
1311 | ||
1312 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1313 | struct v4l2_frequency *f) | |
1314 | { | |
1315 | struct cx23885_fh *fh = priv; | |
1316 | struct cx23885_dev *dev = fh->dev; | |
1317 | ||
1318 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) | |
1319 | return -EINVAL; | |
1320 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
1321 | return -EINVAL; | |
1322 | ||
1323 | return | |
1324 | cx23885_set_freq(dev, f); | |
1325 | } | |
1326 | ||
1327 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1328 | static int vidioc_g_register(struct file *file, void *fh, | |
1329 | struct v4l2_register *reg) | |
1330 | { | |
1331 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1332 | ||
a19602f2 ST |
1333 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
1334 | return -EINVAL; | |
1335 | ||
e47f30b1 ST |
1336 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_G_REGISTER, reg); |
1337 | ||
1338 | return 0; | |
1339 | } | |
1340 | ||
1341 | static int vidioc_s_register(struct file *file, void *fh, | |
1342 | struct v4l2_register *reg) | |
1343 | { | |
1344 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; | |
1345 | ||
a19602f2 | 1346 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
e47f30b1 ST |
1347 | return -EINVAL; |
1348 | ||
a19602f2 | 1349 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_S_REGISTER, reg); |
e47f30b1 | 1350 | |
e47f30b1 ST |
1351 | return 0; |
1352 | } | |
a19602f2 | 1353 | #endif |
e47f30b1 ST |
1354 | |
1355 | /* ----------------------------------------------------------- */ | |
1356 | ||
1357 | static void cx23885_vid_timeout(unsigned long data) | |
1358 | { | |
1359 | struct cx23885_dev *dev = (struct cx23885_dev *)data; | |
1360 | struct cx23885_dmaqueue *q = &dev->vidq; | |
1361 | struct cx23885_buffer *buf; | |
1362 | unsigned long flags; | |
1363 | ||
1364 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1365 | ||
1366 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1367 | ||
1368 | spin_lock_irqsave(&dev->slock, flags); | |
1369 | while (!list_empty(&q->active)) { | |
1370 | buf = list_entry(q->active.next, | |
1371 | struct cx23885_buffer, vb.queue); | |
1372 | list_del(&buf->vb.queue); | |
1373 | buf->vb.state = VIDEOBUF_ERROR; | |
1374 | wake_up(&buf->vb.done); | |
1375 | printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n", | |
1376 | dev->name, buf, buf->vb.i, | |
1377 | (unsigned long)buf->risc.dma); | |
1378 | } | |
1379 | cx23885_restart_video_queue(dev, q); | |
1380 | spin_unlock_irqrestore(&dev->slock, flags); | |
1381 | } | |
1382 | ||
1383 | int cx23885_video_irq(struct cx23885_dev *dev, u32 status) | |
1384 | { | |
1385 | u32 mask, count; | |
1386 | int handled = 0; | |
1387 | ||
1388 | mask = cx_read(VID_A_INT_MSK); | |
1389 | if (0 == (status & mask)) | |
1390 | return handled; | |
1391 | cx_write(VID_A_INT_STAT, status); | |
1392 | ||
22b4e64f | 1393 | dprintk(2, "%s() status = 0x%08x\n", __func__, status); |
e47f30b1 ST |
1394 | /* risc op code error */ |
1395 | if (status & (1 << 16)) { | |
1396 | printk(KERN_WARNING "%s/0: video risc op code error\n", | |
1397 | dev->name); | |
1398 | cx_clear(VID_A_DMA_CTL, 0x11); | |
1399 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); | |
1400 | } | |
1401 | ||
1402 | /* risc1 y */ | |
1403 | if (status & 0x01) { | |
1404 | spin_lock(&dev->slock); | |
1405 | count = cx_read(VID_A_GPCNT); | |
1406 | cx23885_video_wakeup(dev, &dev->vidq, count); | |
1407 | spin_unlock(&dev->slock); | |
1408 | handled++; | |
1409 | } | |
1410 | /* risc2 y */ | |
1411 | if (status & 0x10) { | |
1412 | dprintk(2, "stopper video\n"); | |
1413 | spin_lock(&dev->slock); | |
1414 | cx23885_restart_video_queue(dev, &dev->vidq); | |
1415 | spin_unlock(&dev->slock); | |
1416 | handled++; | |
1417 | } | |
1418 | ||
1419 | return handled; | |
1420 | } | |
1421 | ||
e47f30b1 ST |
1422 | /* ----------------------------------------------------------- */ |
1423 | /* exported stuff */ | |
1424 | ||
1425 | static const struct file_operations video_fops = { | |
1426 | .owner = THIS_MODULE, | |
1427 | .open = video_open, | |
1428 | .release = video_release, | |
1429 | .read = video_read, | |
1430 | .poll = video_poll, | |
1431 | .mmap = video_mmap, | |
1432 | .ioctl = video_ioctl2, | |
1433 | .compat_ioctl = v4l_compat_ioctl32, | |
1434 | .llseek = no_llseek, | |
1435 | }; | |
1436 | ||
1437 | static struct video_device cx23885_vbi_template; | |
1438 | static struct video_device cx23885_video_template = { | |
1439 | .name = "cx23885-video", | |
1440 | .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES, | |
1441 | .fops = &video_fops, | |
1442 | .minor = -1, | |
1443 | .vidioc_querycap = vidioc_querycap, | |
78b526a4 HV |
1444 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1445 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1446 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1447 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1448 | .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, | |
1449 | .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, | |
1450 | .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, | |
e47f30b1 ST |
1451 | .vidioc_reqbufs = vidioc_reqbufs, |
1452 | .vidioc_querybuf = vidioc_querybuf, | |
1453 | .vidioc_qbuf = vidioc_qbuf, | |
1454 | .vidioc_dqbuf = vidioc_dqbuf, | |
1455 | .vidioc_s_std = vidioc_s_std, | |
1456 | .vidioc_enum_input = vidioc_enum_input, | |
1457 | .vidioc_g_input = vidioc_g_input, | |
1458 | .vidioc_s_input = vidioc_s_input, | |
1459 | .vidioc_queryctrl = vidioc_queryctrl, | |
1460 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1461 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1462 | .vidioc_streamon = vidioc_streamon, | |
1463 | .vidioc_streamoff = vidioc_streamoff, | |
1464 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1465 | .vidiocgmbuf = vidiocgmbuf, | |
1466 | #endif | |
1467 | .vidioc_g_tuner = vidioc_g_tuner, | |
1468 | .vidioc_s_tuner = vidioc_s_tuner, | |
1469 | .vidioc_g_frequency = vidioc_g_frequency, | |
1470 | .vidioc_s_frequency = vidioc_s_frequency, | |
1471 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1472 | .vidioc_g_register = vidioc_g_register, | |
1473 | .vidioc_s_register = vidioc_s_register, | |
1474 | #endif | |
1475 | .tvnorms = CX23885_NORMS, | |
1476 | .current_norm = V4L2_STD_NTSC_M, | |
1477 | }; | |
1478 | ||
1479 | static const struct file_operations radio_fops = { | |
1480 | .owner = THIS_MODULE, | |
1481 | .open = video_open, | |
1482 | .release = video_release, | |
1483 | .ioctl = video_ioctl2, | |
1484 | .compat_ioctl = v4l_compat_ioctl32, | |
1485 | .llseek = no_llseek, | |
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"); | |
1516 | cx23885_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER; | |
1517 | ||
1518 | dev->tvnorm = cx23885_video_template.current_norm; | |
1519 | ||
1520 | /* init video dma queues */ | |
1521 | INIT_LIST_HEAD(&dev->vidq.active); | |
1522 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1523 | dev->vidq.timeout.function = cx23885_vid_timeout; | |
1524 | dev->vidq.timeout.data = (unsigned long)dev; | |
1525 | init_timer(&dev->vidq.timeout); | |
1526 | cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, | |
1527 | VID_A_DMA_CTL, 0x11, 0x00); | |
1528 | ||
a19602f2 | 1529 | /* Don't enable VBI yet */ |
e47f30b1 ST |
1530 | cx_set(PCI_INT_MSK, 1); |
1531 | ||
1532 | ||
1533 | /* register v4l devices */ | |
1534 | dev->video_dev = cx23885_vdev_init(dev, dev->pci, | |
1535 | &cx23885_video_template, "video"); | |
1536 | err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, | |
1537 | video_nr[dev->nr]); | |
1538 | if (err < 0) { | |
1539 | printk(KERN_INFO "%s: can't register video device\n", | |
1540 | dev->name); | |
1541 | goto fail_unreg; | |
1542 | } | |
1543 | printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n", | |
1544 | dev->name, dev->video_dev->minor & 0x1f); | |
1545 | /* initial device configuration */ | |
1546 | mutex_lock(&dev->lock); | |
1547 | cx23885_set_tvnorm(dev, dev->tvnorm); | |
1548 | init_controls(dev); | |
1549 | cx23885_video_mux(dev, 0); | |
1550 | mutex_unlock(&dev->lock); | |
1551 | ||
e47f30b1 ST |
1552 | return 0; |
1553 | ||
1554 | fail_unreg: | |
1555 | cx23885_video_unregister(dev); | |
1556 | return err; | |
1557 | } | |
1558 |