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1da177e4 | 1 | /* |
a82decf6 | 2 | * $Id: cx88-video.c,v 1.70 2005/06/20 03:36:00 mkrufky Exp $ |
1da177e4 LT |
3 | * |
4 | * device driver for Conexant 2388x based TV cards | |
5 | * video4linux video interface | |
6 | * | |
7 | * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | #include <linux/init.h> | |
25 | #include <linux/list.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <linux/kmod.h> | |
29 | #include <linux/kernel.h> | |
30 | #include <linux/slab.h> | |
31 | #include <linux/interrupt.h> | |
32 | #include <linux/delay.h> | |
33 | #include <linux/kthread.h> | |
34 | #include <asm/div64.h> | |
35 | ||
36 | #include "cx88.h" | |
37 | ||
38 | MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); | |
39 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); | |
40 | MODULE_LICENSE("GPL"); | |
41 | ||
42 | /* ------------------------------------------------------------------ */ | |
43 | ||
44 | static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; | |
45 | static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; | |
46 | static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; | |
47 | ||
48 | module_param_array(video_nr, int, NULL, 0444); | |
49 | module_param_array(vbi_nr, int, NULL, 0444); | |
50 | module_param_array(radio_nr, int, NULL, 0444); | |
51 | ||
52 | MODULE_PARM_DESC(video_nr,"video device numbers"); | |
53 | MODULE_PARM_DESC(vbi_nr,"vbi device numbers"); | |
54 | MODULE_PARM_DESC(radio_nr,"radio device numbers"); | |
55 | ||
56 | static unsigned int video_debug = 0; | |
57 | module_param(video_debug,int,0644); | |
58 | MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); | |
59 | ||
60 | static unsigned int irq_debug = 0; | |
61 | module_param(irq_debug,int,0644); | |
62 | MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); | |
63 | ||
64 | static unsigned int vid_limit = 16; | |
65 | module_param(vid_limit,int,0644); | |
66 | MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); | |
67 | ||
68 | #define dprintk(level,fmt, arg...) if (video_debug >= level) \ | |
69 | printk(KERN_DEBUG "%s/0: " fmt, dev->core->name , ## arg) | |
70 | ||
71 | /* ------------------------------------------------------------------ */ | |
72 | ||
73 | static LIST_HEAD(cx8800_devlist); | |
74 | ||
75 | /* ------------------------------------------------------------------- */ | |
76 | /* static data */ | |
77 | ||
78 | static struct cx88_tvnorm tvnorms[] = { | |
79 | { | |
80 | .name = "NTSC-M", | |
81 | .id = V4L2_STD_NTSC_M, | |
82 | .cxiformat = VideoFormatNTSC, | |
83 | .cxoformat = 0x181f0008, | |
84 | },{ | |
85 | .name = "NTSC-JP", | |
86 | .id = V4L2_STD_NTSC_M_JP, | |
87 | .cxiformat = VideoFormatNTSCJapan, | |
88 | .cxoformat = 0x181f0008, | |
89 | #if 0 | |
90 | },{ | |
91 | .name = "NTSC-4.43", | |
92 | .id = FIXME, | |
93 | .cxiformat = VideoFormatNTSC443, | |
94 | .cxoformat = 0x181f0008, | |
95 | #endif | |
96 | },{ | |
97 | .name = "PAL-BG", | |
98 | .id = V4L2_STD_PAL_BG, | |
99 | .cxiformat = VideoFormatPAL, | |
100 | .cxoformat = 0x181f0008, | |
101 | },{ | |
102 | .name = "PAL-DK", | |
103 | .id = V4L2_STD_PAL_DK, | |
104 | .cxiformat = VideoFormatPAL, | |
105 | .cxoformat = 0x181f0008, | |
106 | },{ | |
107 | .name = "PAL-I", | |
108 | .id = V4L2_STD_PAL_I, | |
109 | .cxiformat = VideoFormatPAL, | |
110 | .cxoformat = 0x181f0008, | |
111 | },{ | |
112 | .name = "PAL-M", | |
113 | .id = V4L2_STD_PAL_M, | |
114 | .cxiformat = VideoFormatPALM, | |
115 | .cxoformat = 0x1c1f0008, | |
116 | },{ | |
117 | .name = "PAL-N", | |
118 | .id = V4L2_STD_PAL_N, | |
119 | .cxiformat = VideoFormatPALN, | |
120 | .cxoformat = 0x1c1f0008, | |
121 | },{ | |
122 | .name = "PAL-Nc", | |
123 | .id = V4L2_STD_PAL_Nc, | |
124 | .cxiformat = VideoFormatPALNC, | |
125 | .cxoformat = 0x1c1f0008, | |
126 | },{ | |
127 | .name = "PAL-60", | |
128 | .id = V4L2_STD_PAL_60, | |
129 | .cxiformat = VideoFormatPAL60, | |
130 | .cxoformat = 0x181f0008, | |
131 | },{ | |
132 | .name = "SECAM-L", | |
133 | .id = V4L2_STD_SECAM_L, | |
134 | .cxiformat = VideoFormatSECAM, | |
135 | .cxoformat = 0x181f0008, | |
136 | },{ | |
137 | .name = "SECAM-DK", | |
138 | .id = V4L2_STD_SECAM_DK, | |
139 | .cxiformat = VideoFormatSECAM, | |
140 | .cxoformat = 0x181f0008, | |
141 | } | |
142 | }; | |
143 | ||
144 | static struct cx8800_fmt formats[] = { | |
145 | { | |
146 | .name = "8 bpp, gray", | |
147 | .fourcc = V4L2_PIX_FMT_GREY, | |
148 | .cxformat = ColorFormatY8, | |
149 | .depth = 8, | |
150 | .flags = FORMAT_FLAGS_PACKED, | |
151 | },{ | |
152 | .name = "15 bpp RGB, le", | |
153 | .fourcc = V4L2_PIX_FMT_RGB555, | |
154 | .cxformat = ColorFormatRGB15, | |
155 | .depth = 16, | |
156 | .flags = FORMAT_FLAGS_PACKED, | |
157 | },{ | |
158 | .name = "15 bpp RGB, be", | |
159 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
160 | .cxformat = ColorFormatRGB15 | ColorFormatBSWAP, | |
161 | .depth = 16, | |
162 | .flags = FORMAT_FLAGS_PACKED, | |
163 | },{ | |
164 | .name = "16 bpp RGB, le", | |
165 | .fourcc = V4L2_PIX_FMT_RGB565, | |
166 | .cxformat = ColorFormatRGB16, | |
167 | .depth = 16, | |
168 | .flags = FORMAT_FLAGS_PACKED, | |
169 | },{ | |
170 | .name = "16 bpp RGB, be", | |
171 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
172 | .cxformat = ColorFormatRGB16 | ColorFormatBSWAP, | |
173 | .depth = 16, | |
174 | .flags = FORMAT_FLAGS_PACKED, | |
175 | },{ | |
176 | .name = "24 bpp RGB, le", | |
177 | .fourcc = V4L2_PIX_FMT_BGR24, | |
178 | .cxformat = ColorFormatRGB24, | |
179 | .depth = 24, | |
180 | .flags = FORMAT_FLAGS_PACKED, | |
181 | },{ | |
182 | .name = "32 bpp RGB, le", | |
183 | .fourcc = V4L2_PIX_FMT_BGR32, | |
184 | .cxformat = ColorFormatRGB32, | |
185 | .depth = 32, | |
186 | .flags = FORMAT_FLAGS_PACKED, | |
187 | },{ | |
188 | .name = "32 bpp RGB, be", | |
189 | .fourcc = V4L2_PIX_FMT_RGB32, | |
190 | .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP, | |
191 | .depth = 32, | |
192 | .flags = FORMAT_FLAGS_PACKED, | |
193 | },{ | |
194 | .name = "4:2:2, packed, YUYV", | |
195 | .fourcc = V4L2_PIX_FMT_YUYV, | |
196 | .cxformat = ColorFormatYUY2, | |
197 | .depth = 16, | |
198 | .flags = FORMAT_FLAGS_PACKED, | |
199 | },{ | |
200 | .name = "4:2:2, packed, UYVY", | |
201 | .fourcc = V4L2_PIX_FMT_UYVY, | |
202 | .cxformat = ColorFormatYUY2 | ColorFormatBSWAP, | |
203 | .depth = 16, | |
204 | .flags = FORMAT_FLAGS_PACKED, | |
205 | }, | |
206 | }; | |
207 | ||
208 | static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc) | |
209 | { | |
210 | unsigned int i; | |
211 | ||
212 | for (i = 0; i < ARRAY_SIZE(formats); i++) | |
213 | if (formats[i].fourcc == fourcc) | |
214 | return formats+i; | |
215 | return NULL; | |
216 | } | |
217 | ||
218 | /* ------------------------------------------------------------------- */ | |
219 | ||
220 | static const struct v4l2_queryctrl no_ctl = { | |
221 | .name = "42", | |
222 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
223 | }; | |
224 | ||
225 | static struct cx88_ctrl cx8800_ctls[] = { | |
226 | /* --- video --- */ | |
227 | { | |
228 | .v = { | |
229 | .id = V4L2_CID_BRIGHTNESS, | |
230 | .name = "Brightness", | |
231 | .minimum = 0x00, | |
232 | .maximum = 0xff, | |
233 | .step = 1, | |
234 | .default_value = 0, | |
235 | .type = V4L2_CTRL_TYPE_INTEGER, | |
236 | }, | |
237 | .off = 128, | |
238 | .reg = MO_CONTR_BRIGHT, | |
239 | .mask = 0x00ff, | |
240 | .shift = 0, | |
241 | },{ | |
242 | .v = { | |
243 | .id = V4L2_CID_CONTRAST, | |
244 | .name = "Contrast", | |
245 | .minimum = 0, | |
246 | .maximum = 0xff, | |
247 | .step = 1, | |
248 | .default_value = 0, | |
249 | .type = V4L2_CTRL_TYPE_INTEGER, | |
250 | }, | |
251 | .reg = MO_CONTR_BRIGHT, | |
252 | .mask = 0xff00, | |
253 | .shift = 8, | |
254 | },{ | |
255 | .v = { | |
256 | .id = V4L2_CID_HUE, | |
257 | .name = "Hue", | |
258 | .minimum = 0, | |
259 | .maximum = 0xff, | |
260 | .step = 1, | |
261 | .default_value = 0, | |
262 | .type = V4L2_CTRL_TYPE_INTEGER, | |
263 | }, | |
264 | .off = 0, | |
265 | .reg = MO_HUE, | |
266 | .mask = 0x00ff, | |
267 | .shift = 0, | |
268 | },{ | |
269 | /* strictly, this only describes only U saturation. | |
270 | * V saturation is handled specially through code. | |
271 | */ | |
272 | .v = { | |
273 | .id = V4L2_CID_SATURATION, | |
274 | .name = "Saturation", | |
275 | .minimum = 0, | |
276 | .maximum = 0xff, | |
277 | .step = 1, | |
278 | .default_value = 0, | |
279 | .type = V4L2_CTRL_TYPE_INTEGER, | |
280 | }, | |
281 | .off = 0, | |
282 | .reg = MO_UV_SATURATION, | |
283 | .mask = 0x00ff, | |
284 | .shift = 0, | |
285 | },{ | |
286 | /* --- audio --- */ | |
287 | .v = { | |
288 | .id = V4L2_CID_AUDIO_MUTE, | |
289 | .name = "Mute", | |
290 | .minimum = 0, | |
291 | .maximum = 1, | |
292 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
293 | }, | |
294 | .reg = AUD_VOL_CTL, | |
295 | .sreg = SHADOW_AUD_VOL_CTL, | |
296 | .mask = (1 << 6), | |
297 | .shift = 6, | |
298 | },{ | |
299 | .v = { | |
300 | .id = V4L2_CID_AUDIO_VOLUME, | |
301 | .name = "Volume", | |
302 | .minimum = 0, | |
303 | .maximum = 0x3f, | |
304 | .step = 1, | |
305 | .default_value = 0, | |
306 | .type = V4L2_CTRL_TYPE_INTEGER, | |
307 | }, | |
308 | .reg = AUD_VOL_CTL, | |
309 | .sreg = SHADOW_AUD_VOL_CTL, | |
310 | .mask = 0x3f, | |
311 | .shift = 0, | |
312 | },{ | |
313 | .v = { | |
314 | .id = V4L2_CID_AUDIO_BALANCE, | |
315 | .name = "Balance", | |
316 | .minimum = 0, | |
317 | .maximum = 0x7f, | |
318 | .step = 1, | |
319 | .default_value = 0x40, | |
320 | .type = V4L2_CTRL_TYPE_INTEGER, | |
321 | }, | |
322 | .reg = AUD_BAL_CTL, | |
323 | .sreg = SHADOW_AUD_BAL_CTL, | |
324 | .mask = 0x7f, | |
325 | .shift = 0, | |
326 | } | |
327 | }; | |
408b664a | 328 | static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls); |
1da177e4 LT |
329 | |
330 | /* ------------------------------------------------------------------- */ | |
331 | /* resource management */ | |
332 | ||
333 | static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit) | |
334 | { | |
335 | if (fh->resources & bit) | |
336 | /* have it already allocated */ | |
337 | return 1; | |
338 | ||
339 | /* is it free? */ | |
340 | down(&dev->lock); | |
341 | if (dev->resources & bit) { | |
342 | /* no, someone else uses it */ | |
343 | up(&dev->lock); | |
344 | return 0; | |
345 | } | |
346 | /* it's free, grab it */ | |
347 | fh->resources |= bit; | |
348 | dev->resources |= bit; | |
349 | dprintk(1,"res: get %d\n",bit); | |
350 | up(&dev->lock); | |
351 | return 1; | |
352 | } | |
353 | ||
354 | static | |
355 | int res_check(struct cx8800_fh *fh, unsigned int bit) | |
356 | { | |
357 | return (fh->resources & bit); | |
358 | } | |
359 | ||
360 | static | |
361 | int res_locked(struct cx8800_dev *dev, unsigned int bit) | |
362 | { | |
363 | return (dev->resources & bit); | |
364 | } | |
365 | ||
366 | static | |
367 | void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits) | |
368 | { | |
369 | if ((fh->resources & bits) != bits) | |
370 | BUG(); | |
371 | ||
372 | down(&dev->lock); | |
373 | fh->resources &= ~bits; | |
374 | dev->resources &= ~bits; | |
375 | dprintk(1,"res: put %d\n",bits); | |
376 | up(&dev->lock); | |
377 | } | |
378 | ||
379 | /* ------------------------------------------------------------------ */ | |
380 | ||
381 | static int video_mux(struct cx8800_dev *dev, unsigned int input) | |
382 | { | |
383 | struct cx88_core *core = dev->core; | |
384 | ||
385 | dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n", | |
386 | input, INPUT(input)->vmux, | |
387 | INPUT(input)->gpio0,INPUT(input)->gpio1, | |
388 | INPUT(input)->gpio2,INPUT(input)->gpio3); | |
389 | dev->core->input = input; | |
390 | cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14); | |
391 | cx_write(MO_GP3_IO, INPUT(input)->gpio3); | |
392 | cx_write(MO_GP0_IO, INPUT(input)->gpio0); | |
393 | cx_write(MO_GP1_IO, INPUT(input)->gpio1); | |
394 | cx_write(MO_GP2_IO, INPUT(input)->gpio2); | |
395 | ||
396 | switch (INPUT(input)->type) { | |
397 | case CX88_VMUX_SVIDEO: | |
398 | cx_set(MO_AFECFG_IO, 0x00000001); | |
399 | cx_set(MO_INPUT_FORMAT, 0x00010010); | |
400 | cx_set(MO_FILTER_EVEN, 0x00002020); | |
401 | cx_set(MO_FILTER_ODD, 0x00002020); | |
402 | break; | |
403 | default: | |
404 | cx_clear(MO_AFECFG_IO, 0x00000001); | |
405 | cx_clear(MO_INPUT_FORMAT, 0x00010010); | |
406 | cx_clear(MO_FILTER_EVEN, 0x00002020); | |
407 | cx_clear(MO_FILTER_ODD, 0x00002020); | |
408 | break; | |
409 | } | |
410 | return 0; | |
411 | } | |
412 | ||
413 | /* ------------------------------------------------------------------ */ | |
414 | ||
415 | static int start_video_dma(struct cx8800_dev *dev, | |
416 | struct cx88_dmaqueue *q, | |
417 | struct cx88_buffer *buf) | |
418 | { | |
419 | struct cx88_core *core = dev->core; | |
420 | ||
421 | /* setup fifo + format */ | |
422 | cx88_sram_channel_setup(dev->core, &cx88_sram_channels[SRAM_CH21], | |
423 | buf->bpl, buf->risc.dma); | |
424 | cx88_set_scale(dev->core, buf->vb.width, buf->vb.height, buf->vb.field); | |
425 | cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma); | |
426 | ||
427 | /* reset counter */ | |
428 | cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET); | |
429 | q->count = 1; | |
430 | ||
431 | /* enable irqs */ | |
432 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01); | |
433 | cx_set(MO_VID_INTMSK, 0x0f0011); | |
434 | ||
435 | /* enable capture */ | |
436 | cx_set(VID_CAPTURE_CONTROL,0x06); | |
437 | ||
438 | /* start dma */ | |
439 | cx_set(MO_DEV_CNTRL2, (1<<5)); | |
440 | cx_set(MO_VID_DMACNTRL, 0x11); | |
441 | ||
442 | return 0; | |
443 | } | |
444 | ||
445 | static int stop_video_dma(struct cx8800_dev *dev) | |
446 | { | |
447 | struct cx88_core *core = dev->core; | |
448 | ||
449 | /* stop dma */ | |
450 | cx_clear(MO_VID_DMACNTRL, 0x11); | |
451 | ||
452 | /* disable capture */ | |
453 | cx_clear(VID_CAPTURE_CONTROL,0x06); | |
454 | ||
455 | /* disable irqs */ | |
456 | cx_clear(MO_PCI_INTMSK, 0x000001); | |
457 | cx_clear(MO_VID_INTMSK, 0x0f0011); | |
458 | return 0; | |
459 | } | |
460 | ||
461 | static int restart_video_queue(struct cx8800_dev *dev, | |
462 | struct cx88_dmaqueue *q) | |
463 | { | |
464 | struct cx88_buffer *buf, *prev; | |
465 | struct list_head *item; | |
466 | ||
467 | if (!list_empty(&q->active)) { | |
468 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
469 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | |
470 | buf, buf->vb.i); | |
471 | start_video_dma(dev, q, buf); | |
472 | list_for_each(item,&q->active) { | |
473 | buf = list_entry(item, struct cx88_buffer, vb.queue); | |
474 | buf->count = q->count++; | |
475 | } | |
476 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
477 | return 0; | |
478 | } | |
479 | ||
480 | prev = NULL; | |
481 | for (;;) { | |
482 | if (list_empty(&q->queued)) | |
483 | return 0; | |
484 | buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); | |
485 | if (NULL == prev) { | |
486 | list_del(&buf->vb.queue); | |
487 | list_add_tail(&buf->vb.queue,&q->active); | |
488 | start_video_dma(dev, q, buf); | |
489 | buf->vb.state = STATE_ACTIVE; | |
490 | buf->count = q->count++; | |
491 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
492 | dprintk(2,"[%p/%d] restart_queue - first active\n", | |
493 | buf,buf->vb.i); | |
494 | ||
495 | } else if (prev->vb.width == buf->vb.width && | |
496 | prev->vb.height == buf->vb.height && | |
497 | prev->fmt == buf->fmt) { | |
498 | list_del(&buf->vb.queue); | |
499 | list_add_tail(&buf->vb.queue,&q->active); | |
500 | buf->vb.state = STATE_ACTIVE; | |
501 | buf->count = q->count++; | |
502 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
503 | dprintk(2,"[%p/%d] restart_queue - move to active\n", | |
504 | buf,buf->vb.i); | |
505 | } else { | |
506 | return 0; | |
507 | } | |
508 | prev = buf; | |
509 | } | |
510 | } | |
511 | ||
512 | /* ------------------------------------------------------------------ */ | |
513 | ||
514 | static int | |
515 | buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) | |
516 | { | |
517 | struct cx8800_fh *fh = q->priv_data; | |
518 | ||
519 | *size = fh->fmt->depth*fh->width*fh->height >> 3; | |
520 | if (0 == *count) | |
521 | *count = 32; | |
522 | while (*size * *count > vid_limit * 1024 * 1024) | |
523 | (*count)--; | |
524 | return 0; | |
525 | } | |
526 | ||
527 | static int | |
528 | buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, | |
529 | enum v4l2_field field) | |
530 | { | |
531 | struct cx8800_fh *fh = q->priv_data; | |
532 | struct cx8800_dev *dev = fh->dev; | |
533 | struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); | |
534 | int rc, init_buffer = 0; | |
535 | ||
536 | BUG_ON(NULL == fh->fmt); | |
537 | if (fh->width < 48 || fh->width > norm_maxw(dev->core->tvnorm) || | |
538 | fh->height < 32 || fh->height > norm_maxh(dev->core->tvnorm)) | |
539 | return -EINVAL; | |
540 | buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; | |
541 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
542 | return -EINVAL; | |
543 | ||
544 | if (buf->fmt != fh->fmt || | |
545 | buf->vb.width != fh->width || | |
546 | buf->vb.height != fh->height || | |
547 | buf->vb.field != field) { | |
548 | buf->fmt = fh->fmt; | |
549 | buf->vb.width = fh->width; | |
550 | buf->vb.height = fh->height; | |
551 | buf->vb.field = field; | |
552 | init_buffer = 1; | |
553 | } | |
554 | ||
555 | if (STATE_NEEDS_INIT == buf->vb.state) { | |
556 | init_buffer = 1; | |
557 | if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL))) | |
558 | goto fail; | |
559 | } | |
560 | ||
561 | if (init_buffer) { | |
562 | buf->bpl = buf->vb.width * buf->fmt->depth >> 3; | |
563 | switch (buf->vb.field) { | |
564 | case V4L2_FIELD_TOP: | |
565 | cx88_risc_buffer(dev->pci, &buf->risc, | |
566 | buf->vb.dma.sglist, 0, UNSET, | |
567 | buf->bpl, 0, buf->vb.height); | |
568 | break; | |
569 | case V4L2_FIELD_BOTTOM: | |
570 | cx88_risc_buffer(dev->pci, &buf->risc, | |
571 | buf->vb.dma.sglist, UNSET, 0, | |
572 | buf->bpl, 0, buf->vb.height); | |
573 | break; | |
574 | case V4L2_FIELD_INTERLACED: | |
575 | cx88_risc_buffer(dev->pci, &buf->risc, | |
576 | buf->vb.dma.sglist, 0, buf->bpl, | |
577 | buf->bpl, buf->bpl, | |
578 | buf->vb.height >> 1); | |
579 | break; | |
580 | case V4L2_FIELD_SEQ_TB: | |
581 | cx88_risc_buffer(dev->pci, &buf->risc, | |
582 | buf->vb.dma.sglist, | |
583 | 0, buf->bpl * (buf->vb.height >> 1), | |
584 | buf->bpl, 0, | |
585 | buf->vb.height >> 1); | |
586 | break; | |
587 | case V4L2_FIELD_SEQ_BT: | |
588 | cx88_risc_buffer(dev->pci, &buf->risc, | |
589 | buf->vb.dma.sglist, | |
590 | buf->bpl * (buf->vb.height >> 1), 0, | |
591 | buf->bpl, 0, | |
592 | buf->vb.height >> 1); | |
593 | break; | |
594 | default: | |
595 | BUG(); | |
596 | } | |
597 | } | |
598 | dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", | |
599 | buf, buf->vb.i, | |
600 | fh->width, fh->height, fh->fmt->depth, fh->fmt->name, | |
601 | (unsigned long)buf->risc.dma); | |
602 | ||
603 | buf->vb.state = STATE_PREPARED; | |
604 | return 0; | |
605 | ||
606 | fail: | |
607 | cx88_free_buffer(dev->pci,buf); | |
608 | return rc; | |
609 | } | |
610 | ||
611 | static void | |
612 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
613 | { | |
614 | struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); | |
615 | struct cx88_buffer *prev; | |
616 | struct cx8800_fh *fh = vq->priv_data; | |
617 | struct cx8800_dev *dev = fh->dev; | |
618 | struct cx88_dmaqueue *q = &dev->vidq; | |
619 | ||
620 | /* add jump to stopper */ | |
621 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
622 | buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); | |
623 | ||
624 | if (!list_empty(&q->queued)) { | |
625 | list_add_tail(&buf->vb.queue,&q->queued); | |
626 | buf->vb.state = STATE_QUEUED; | |
627 | dprintk(2,"[%p/%d] buffer_queue - append to queued\n", | |
628 | buf, buf->vb.i); | |
629 | ||
630 | } else if (list_empty(&q->active)) { | |
631 | list_add_tail(&buf->vb.queue,&q->active); | |
632 | start_video_dma(dev, q, buf); | |
633 | buf->vb.state = STATE_ACTIVE; | |
634 | buf->count = q->count++; | |
635 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
636 | dprintk(2,"[%p/%d] buffer_queue - first active\n", | |
637 | buf, buf->vb.i); | |
638 | ||
639 | } else { | |
640 | prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue); | |
641 | if (prev->vb.width == buf->vb.width && | |
642 | prev->vb.height == buf->vb.height && | |
643 | prev->fmt == buf->fmt) { | |
644 | list_add_tail(&buf->vb.queue,&q->active); | |
645 | buf->vb.state = STATE_ACTIVE; | |
646 | buf->count = q->count++; | |
647 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
648 | dprintk(2,"[%p/%d] buffer_queue - append to active\n", | |
649 | buf, buf->vb.i); | |
650 | ||
651 | } else { | |
652 | list_add_tail(&buf->vb.queue,&q->queued); | |
653 | buf->vb.state = STATE_QUEUED; | |
654 | dprintk(2,"[%p/%d] buffer_queue - first queued\n", | |
655 | buf, buf->vb.i); | |
656 | } | |
657 | } | |
658 | } | |
659 | ||
660 | static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
661 | { | |
662 | struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); | |
663 | struct cx8800_fh *fh = q->priv_data; | |
664 | ||
665 | cx88_free_buffer(fh->dev->pci,buf); | |
666 | } | |
667 | ||
408b664a | 668 | static struct videobuf_queue_ops cx8800_video_qops = { |
1da177e4 LT |
669 | .buf_setup = buffer_setup, |
670 | .buf_prepare = buffer_prepare, | |
671 | .buf_queue = buffer_queue, | |
672 | .buf_release = buffer_release, | |
673 | }; | |
674 | ||
675 | /* ------------------------------------------------------------------ */ | |
676 | ||
677 | #if 0 /* overlay support not finished yet */ | |
678 | static u32* ov_risc_field(struct cx8800_dev *dev, struct cx8800_fh *fh, | |
679 | u32 *rp, struct btcx_skiplist *skips, | |
680 | u32 sync_line, int skip_even, int skip_odd) | |
681 | { | |
682 | int line,maxy,start,end,skip,nskips; | |
683 | u32 ri,ra; | |
684 | u32 addr; | |
685 | ||
686 | /* sync instruction */ | |
687 | *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); | |
688 | ||
689 | addr = (unsigned long)dev->fbuf.base; | |
690 | addr += dev->fbuf.fmt.bytesperline * fh->win.w.top; | |
691 | addr += (fh->fmt->depth >> 3) * fh->win.w.left; | |
692 | ||
693 | /* scan lines */ | |
694 | for (maxy = -1, line = 0; line < fh->win.w.height; | |
695 | line++, addr += dev->fbuf.fmt.bytesperline) { | |
696 | if ((line%2) == 0 && skip_even) | |
697 | continue; | |
698 | if ((line%2) == 1 && skip_odd) | |
699 | continue; | |
700 | ||
701 | /* calculate clipping */ | |
702 | if (line > maxy) | |
703 | btcx_calc_skips(line, fh->win.w.width, &maxy, | |
704 | skips, &nskips, fh->clips, fh->nclips); | |
705 | ||
706 | /* write out risc code */ | |
707 | for (start = 0, skip = 0; start < fh->win.w.width; start = end) { | |
708 | if (skip >= nskips) { | |
709 | ri = RISC_WRITE; | |
710 | end = fh->win.w.width; | |
711 | } else if (start < skips[skip].start) { | |
712 | ri = RISC_WRITE; | |
713 | end = skips[skip].start; | |
714 | } else { | |
715 | ri = RISC_SKIP; | |
716 | end = skips[skip].end; | |
717 | skip++; | |
718 | } | |
719 | if (RISC_WRITE == ri) | |
720 | ra = addr + (fh->fmt->depth>>3)*start; | |
721 | else | |
722 | ra = 0; | |
723 | ||
724 | if (0 == start) | |
725 | ri |= RISC_SOL; | |
726 | if (fh->win.w.width == end) | |
727 | ri |= RISC_EOL; | |
728 | ri |= (fh->fmt->depth>>3) * (end-start); | |
729 | ||
730 | *(rp++)=cpu_to_le32(ri); | |
731 | if (0 != ra) | |
732 | *(rp++)=cpu_to_le32(ra); | |
733 | } | |
734 | } | |
735 | kfree(skips); | |
736 | return rp; | |
737 | } | |
738 | ||
739 | static int ov_risc_frame(struct cx8800_dev *dev, struct cx8800_fh *fh, | |
740 | struct cx88_buffer *buf) | |
741 | { | |
742 | struct btcx_skiplist *skips; | |
743 | u32 instructions,fields; | |
744 | u32 *rp; | |
745 | int rc; | |
746 | ||
747 | /* skip list for window clipping */ | |
748 | if (NULL == (skips = kmalloc(sizeof(*skips) * fh->nclips,GFP_KERNEL))) | |
749 | return -ENOMEM; | |
750 | ||
751 | fields = 0; | |
752 | if (V4L2_FIELD_HAS_TOP(fh->win.field)) | |
753 | fields++; | |
754 | if (V4L2_FIELD_HAS_BOTTOM(fh->win.field)) | |
755 | fields++; | |
756 | ||
757 | /* estimate risc mem: worst case is (clip+1) * lines instructions | |
758 | + syncs + jump (all 2 dwords) */ | |
759 | instructions = (fh->nclips+1) * fh->win.w.height; | |
760 | instructions += 3 + 4; | |
761 | if ((rc = btcx_riscmem_alloc(dev->pci,&buf->risc,instructions*8)) < 0) { | |
762 | kfree(skips); | |
763 | return rc; | |
764 | } | |
765 | ||
766 | /* write risc instructions */ | |
767 | rp = buf->risc.cpu; | |
768 | switch (fh->win.field) { | |
769 | case V4L2_FIELD_TOP: | |
770 | rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 0); | |
771 | break; | |
772 | case V4L2_FIELD_BOTTOM: | |
773 | rp = ov_risc_field(dev, fh, rp, skips, 0x200, 0, 0); | |
774 | break; | |
775 | case V4L2_FIELD_INTERLACED: | |
776 | rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 1); | |
777 | rp = ov_risc_field(dev, fh, rp, skips, 0x200, 1, 0); | |
778 | break; | |
779 | default: | |
780 | BUG(); | |
781 | } | |
782 | ||
783 | /* save pointer to jmp instruction address */ | |
784 | buf->risc.jmp = rp; | |
785 | kfree(skips); | |
786 | return 0; | |
787 | } | |
788 | ||
789 | static int verify_window(struct cx8800_dev *dev, struct v4l2_window *win) | |
790 | { | |
791 | enum v4l2_field field; | |
792 | int maxw, maxh; | |
793 | ||
794 | if (NULL == dev->fbuf.base) | |
795 | return -EINVAL; | |
796 | if (win->w.width < 48 || win->w.height < 32) | |
797 | return -EINVAL; | |
798 | if (win->clipcount > 2048) | |
799 | return -EINVAL; | |
800 | ||
801 | field = win->field; | |
802 | maxw = norm_maxw(core->tvnorm); | |
803 | maxh = norm_maxh(core->tvnorm); | |
804 | ||
805 | if (V4L2_FIELD_ANY == field) { | |
806 | field = (win->w.height > maxh/2) | |
807 | ? V4L2_FIELD_INTERLACED | |
808 | : V4L2_FIELD_TOP; | |
809 | } | |
810 | switch (field) { | |
811 | case V4L2_FIELD_TOP: | |
812 | case V4L2_FIELD_BOTTOM: | |
813 | maxh = maxh / 2; | |
814 | break; | |
815 | case V4L2_FIELD_INTERLACED: | |
816 | break; | |
817 | default: | |
818 | return -EINVAL; | |
819 | } | |
820 | ||
821 | win->field = field; | |
822 | if (win->w.width > maxw) | |
823 | win->w.width = maxw; | |
824 | if (win->w.height > maxh) | |
825 | win->w.height = maxh; | |
826 | return 0; | |
827 | } | |
828 | ||
829 | static int setup_window(struct cx8800_dev *dev, struct cx8800_fh *fh, | |
830 | struct v4l2_window *win) | |
831 | { | |
832 | struct v4l2_clip *clips = NULL; | |
833 | int n,size,retval = 0; | |
834 | ||
835 | if (NULL == fh->fmt) | |
836 | return -EINVAL; | |
837 | retval = verify_window(dev,win); | |
838 | if (0 != retval) | |
839 | return retval; | |
840 | ||
841 | /* copy clips -- luckily v4l1 + v4l2 are binary | |
842 | compatible here ...*/ | |
843 | n = win->clipcount; | |
844 | size = sizeof(*clips)*(n+4); | |
845 | clips = kmalloc(size,GFP_KERNEL); | |
846 | if (NULL == clips) | |
847 | return -ENOMEM; | |
848 | if (n > 0) { | |
849 | if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) { | |
850 | kfree(clips); | |
851 | return -EFAULT; | |
852 | } | |
853 | } | |
854 | ||
855 | /* clip against screen */ | |
856 | if (NULL != dev->fbuf.base) | |
857 | n = btcx_screen_clips(dev->fbuf.fmt.width, dev->fbuf.fmt.height, | |
858 | &win->w, clips, n); | |
859 | btcx_sort_clips(clips,n); | |
860 | ||
861 | /* 4-byte alignments */ | |
862 | switch (fh->fmt->depth) { | |
863 | case 8: | |
864 | case 24: | |
865 | btcx_align(&win->w, clips, n, 3); | |
866 | break; | |
867 | case 16: | |
868 | btcx_align(&win->w, clips, n, 1); | |
869 | break; | |
870 | case 32: | |
871 | /* no alignment fixups needed */ | |
872 | break; | |
873 | default: | |
874 | BUG(); | |
875 | } | |
876 | ||
877 | down(&fh->vidq.lock); | |
878 | if (fh->clips) | |
879 | kfree(fh->clips); | |
880 | fh->clips = clips; | |
881 | fh->nclips = n; | |
882 | fh->win = *win; | |
883 | #if 0 | |
884 | fh->ov.setup_ok = 1; | |
885 | #endif | |
886 | ||
887 | /* update overlay if needed */ | |
888 | retval = 0; | |
889 | #if 0 | |
890 | if (check_btres(fh, RESOURCE_OVERLAY)) { | |
891 | struct bttv_buffer *new; | |
892 | ||
893 | new = videobuf_alloc(sizeof(*new)); | |
894 | bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); | |
895 | retval = bttv_switch_overlay(btv,fh,new); | |
896 | } | |
897 | #endif | |
898 | up(&fh->vidq.lock); | |
899 | return retval; | |
900 | } | |
901 | #endif | |
902 | ||
903 | /* ------------------------------------------------------------------ */ | |
904 | ||
905 | static struct videobuf_queue* get_queue(struct cx8800_fh *fh) | |
906 | { | |
907 | switch (fh->type) { | |
908 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
909 | return &fh->vidq; | |
910 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
911 | return &fh->vbiq; | |
912 | default: | |
913 | BUG(); | |
914 | return NULL; | |
915 | } | |
916 | } | |
917 | ||
918 | static int get_ressource(struct cx8800_fh *fh) | |
919 | { | |
920 | switch (fh->type) { | |
921 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
922 | return RESOURCE_VIDEO; | |
923 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
924 | return RESOURCE_VBI; | |
925 | default: | |
926 | BUG(); | |
927 | return 0; | |
928 | } | |
929 | } | |
930 | ||
931 | static int video_open(struct inode *inode, struct file *file) | |
932 | { | |
933 | int minor = iminor(inode); | |
934 | struct cx8800_dev *h,*dev = NULL; | |
935 | struct cx8800_fh *fh; | |
936 | struct list_head *list; | |
937 | enum v4l2_buf_type type = 0; | |
938 | int radio = 0; | |
939 | ||
940 | list_for_each(list,&cx8800_devlist) { | |
941 | h = list_entry(list, struct cx8800_dev, devlist); | |
942 | if (h->video_dev->minor == minor) { | |
943 | dev = h; | |
944 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
945 | } | |
946 | if (h->vbi_dev->minor == minor) { | |
947 | dev = h; | |
948 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
949 | } | |
950 | if (h->radio_dev && | |
951 | h->radio_dev->minor == minor) { | |
952 | radio = 1; | |
953 | dev = h; | |
954 | } | |
955 | } | |
956 | if (NULL == dev) | |
957 | return -ENODEV; | |
958 | ||
959 | dprintk(1,"open minor=%d radio=%d type=%s\n", | |
960 | minor,radio,v4l2_type_names[type]); | |
961 | ||
962 | /* allocate + initialize per filehandle data */ | |
963 | fh = kmalloc(sizeof(*fh),GFP_KERNEL); | |
964 | if (NULL == fh) | |
965 | return -ENOMEM; | |
966 | memset(fh,0,sizeof(*fh)); | |
967 | file->private_data = fh; | |
968 | fh->dev = dev; | |
969 | fh->radio = radio; | |
970 | fh->type = type; | |
971 | fh->width = 320; | |
972 | fh->height = 240; | |
973 | fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); | |
974 | ||
975 | videobuf_queue_init(&fh->vidq, &cx8800_video_qops, | |
976 | dev->pci, &dev->slock, | |
977 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
978 | V4L2_FIELD_INTERLACED, | |
979 | sizeof(struct cx88_buffer), | |
980 | fh); | |
981 | videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops, | |
982 | dev->pci, &dev->slock, | |
983 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
984 | V4L2_FIELD_SEQ_TB, | |
985 | sizeof(struct cx88_buffer), | |
986 | fh); | |
987 | ||
988 | if (fh->radio) { | |
989 | struct cx88_core *core = dev->core; | |
990 | int board = core->board; | |
991 | dprintk(1,"video_open: setting radio device\n"); | |
992 | cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0); | |
993 | cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1); | |
994 | cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2); | |
995 | cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3); | |
996 | dev->core->tvaudio = WW_FM; | |
997 | cx88_set_tvaudio(core); | |
998 | cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1); | |
999 | cx88_call_i2c_clients(dev->core,AUDC_SET_RADIO,NULL); | |
1000 | } | |
1001 | ||
1002 | return 0; | |
1003 | } | |
1004 | ||
1005 | static ssize_t | |
1006 | video_read(struct file *file, char *data, size_t count, loff_t *ppos) | |
1007 | { | |
1008 | struct cx8800_fh *fh = file->private_data; | |
1009 | ||
1010 | switch (fh->type) { | |
1011 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1012 | if (res_locked(fh->dev,RESOURCE_VIDEO)) | |
1013 | return -EBUSY; | |
1014 | return videobuf_read_one(&fh->vidq, data, count, ppos, | |
1015 | file->f_flags & O_NONBLOCK); | |
1016 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1017 | if (!res_get(fh->dev,fh,RESOURCE_VBI)) | |
1018 | return -EBUSY; | |
1019 | return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, | |
1020 | file->f_flags & O_NONBLOCK); | |
1021 | default: | |
1022 | BUG(); | |
1023 | return 0; | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | static unsigned int | |
1028 | video_poll(struct file *file, struct poll_table_struct *wait) | |
1029 | { | |
1030 | struct cx8800_fh *fh = file->private_data; | |
1031 | struct cx88_buffer *buf; | |
1032 | ||
1033 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { | |
1034 | if (!res_get(fh->dev,fh,RESOURCE_VBI)) | |
1035 | return POLLERR; | |
1036 | return videobuf_poll_stream(file, &fh->vbiq, wait); | |
1037 | } | |
1038 | ||
1039 | if (res_check(fh,RESOURCE_VIDEO)) { | |
1040 | /* streaming capture */ | |
1041 | if (list_empty(&fh->vidq.stream)) | |
1042 | return POLLERR; | |
1043 | buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream); | |
1044 | } else { | |
1045 | /* read() capture */ | |
1046 | buf = (struct cx88_buffer*)fh->vidq.read_buf; | |
1047 | if (NULL == buf) | |
1048 | return POLLERR; | |
1049 | } | |
1050 | poll_wait(file, &buf->vb.done, wait); | |
1051 | if (buf->vb.state == STATE_DONE || | |
1052 | buf->vb.state == STATE_ERROR) | |
1053 | return POLLIN|POLLRDNORM; | |
1054 | return 0; | |
1055 | } | |
1056 | ||
1057 | static int video_release(struct inode *inode, struct file *file) | |
1058 | { | |
1059 | struct cx8800_fh *fh = file->private_data; | |
1060 | struct cx8800_dev *dev = fh->dev; | |
1061 | ||
1062 | /* turn off overlay */ | |
1063 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
1064 | /* FIXME */ | |
1065 | res_free(dev,fh,RESOURCE_OVERLAY); | |
1066 | } | |
1067 | ||
1068 | /* stop video capture */ | |
1069 | if (res_check(fh, RESOURCE_VIDEO)) { | |
1070 | videobuf_queue_cancel(&fh->vidq); | |
1071 | res_free(dev,fh,RESOURCE_VIDEO); | |
1072 | } | |
1073 | if (fh->vidq.read_buf) { | |
1074 | buffer_release(&fh->vidq,fh->vidq.read_buf); | |
1075 | kfree(fh->vidq.read_buf); | |
1076 | } | |
1077 | ||
1078 | /* stop vbi capture */ | |
1079 | if (res_check(fh, RESOURCE_VBI)) { | |
1080 | if (fh->vbiq.streaming) | |
1081 | videobuf_streamoff(&fh->vbiq); | |
1082 | if (fh->vbiq.reading) | |
1083 | videobuf_read_stop(&fh->vbiq); | |
1084 | res_free(dev,fh,RESOURCE_VBI); | |
1085 | } | |
1086 | ||
1087 | videobuf_mmap_free(&fh->vidq); | |
1088 | videobuf_mmap_free(&fh->vbiq); | |
1089 | file->private_data = NULL; | |
1090 | kfree(fh); | |
1091 | return 0; | |
1092 | } | |
1093 | ||
1094 | static int | |
1095 | video_mmap(struct file *file, struct vm_area_struct * vma) | |
1096 | { | |
1097 | struct cx8800_fh *fh = file->private_data; | |
1098 | ||
1099 | return videobuf_mmap_mapper(get_queue(fh), vma); | |
1100 | } | |
1101 | ||
1102 | /* ------------------------------------------------------------------ */ | |
1103 | ||
1104 | static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) | |
1105 | { | |
1106 | struct cx88_core *core = dev->core; | |
1107 | struct cx88_ctrl *c = NULL; | |
1108 | u32 value; | |
1109 | int i; | |
1110 | ||
1111 | for (i = 0; i < CX8800_CTLS; i++) | |
1112 | if (cx8800_ctls[i].v.id == ctl->id) | |
1113 | c = &cx8800_ctls[i]; | |
1114 | if (NULL == c) | |
1115 | return -EINVAL; | |
1116 | ||
1117 | value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg); | |
1118 | switch (ctl->id) { | |
1119 | case V4L2_CID_AUDIO_BALANCE: | |
1120 | ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f)); | |
1121 | break; | |
1122 | case V4L2_CID_AUDIO_VOLUME: | |
1123 | ctl->value = 0x3f - (value & 0x3f); | |
1124 | break; | |
1125 | default: | |
1126 | ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift; | |
1127 | break; | |
1128 | } | |
1129 | return 0; | |
1130 | } | |
1131 | ||
1132 | static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) | |
1133 | { | |
1134 | struct cx88_core *core = dev->core; | |
1135 | struct cx88_ctrl *c = NULL; | |
1136 | u32 v_sat_value; | |
1137 | u32 value; | |
1138 | int i; | |
1139 | ||
1140 | for (i = 0; i < CX8800_CTLS; i++) | |
1141 | if (cx8800_ctls[i].v.id == ctl->id) | |
1142 | c = &cx8800_ctls[i]; | |
1143 | if (NULL == c) | |
1144 | return -EINVAL; | |
1145 | ||
1146 | if (ctl->value < c->v.minimum) | |
1147 | return -ERANGE; | |
1148 | if (ctl->value > c->v.maximum) | |
1149 | return -ERANGE; | |
1150 | switch (ctl->id) { | |
1151 | case V4L2_CID_AUDIO_BALANCE: | |
1152 | value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value; | |
1153 | break; | |
1154 | case V4L2_CID_AUDIO_VOLUME: | |
1155 | value = 0x3f - (ctl->value & 0x3f); | |
1156 | break; | |
1157 | case V4L2_CID_SATURATION: | |
1158 | /* special v_sat handling */ | |
1159 | v_sat_value = ctl->value - (0x7f - 0x5a); | |
1160 | if (v_sat_value > 0xff) | |
1161 | v_sat_value = 0xff; | |
1162 | if (v_sat_value < 0x00) | |
1163 | v_sat_value = 0x00; | |
1164 | cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8); | |
1165 | /* fall through to default route for u_sat */ | |
1166 | default: | |
1167 | value = ((ctl->value - c->off) << c->shift) & c->mask; | |
1168 | break; | |
1169 | } | |
1170 | dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n", | |
1171 | ctl->id, c->reg, value, c->sreg ? " [shadowed]" : ""); | |
1172 | if (c->sreg) { | |
1173 | cx_sandor(c->sreg, c->reg, c->mask, value); | |
1174 | } else { | |
1175 | cx_andor(c->reg, c->mask, value); | |
1176 | } | |
1177 | return 0; | |
1178 | } | |
1179 | ||
1180 | static void init_controls(struct cx8800_dev *dev) | |
1181 | { | |
1182 | static struct v4l2_control mute = { | |
1183 | .id = V4L2_CID_AUDIO_MUTE, | |
1184 | .value = 1, | |
1185 | }; | |
1186 | static struct v4l2_control volume = { | |
1187 | .id = V4L2_CID_AUDIO_VOLUME, | |
1188 | .value = 0x3f, | |
1189 | }; | |
b45009b0 MCC |
1190 | static struct v4l2_control hue = { |
1191 | .id = V4L2_CID_HUE, | |
1192 | .value = 0x80, | |
1193 | }; | |
1194 | static struct v4l2_control contrast = { | |
1195 | .id = V4L2_CID_CONTRAST, | |
1196 | .value = 0x80, | |
1197 | }; | |
1198 | static struct v4l2_control brightness = { | |
1199 | .id = V4L2_CID_BRIGHTNESS, | |
1200 | .value = 0x80, | |
1201 | }; | |
1da177e4 LT |
1202 | |
1203 | set_control(dev,&mute); | |
1204 | set_control(dev,&volume); | |
b45009b0 MCC |
1205 | set_control(dev,&hue); |
1206 | set_control(dev,&contrast); | |
1207 | set_control(dev,&brightness); | |
1da177e4 LT |
1208 | } |
1209 | ||
1210 | /* ------------------------------------------------------------------ */ | |
1211 | ||
1212 | static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh, | |
1213 | struct v4l2_format *f) | |
1214 | { | |
1215 | switch (f->type) { | |
1216 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1217 | memset(&f->fmt.pix,0,sizeof(f->fmt.pix)); | |
1218 | f->fmt.pix.width = fh->width; | |
1219 | f->fmt.pix.height = fh->height; | |
1220 | f->fmt.pix.field = fh->vidq.field; | |
1221 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
1222 | f->fmt.pix.bytesperline = | |
1223 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
1224 | f->fmt.pix.sizeimage = | |
1225 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
1226 | return 0; | |
1227 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1228 | cx8800_vbi_fmt(dev, f); | |
1229 | return 0; | |
1230 | default: | |
1231 | return -EINVAL; | |
1232 | } | |
1233 | } | |
1234 | ||
1235 | static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh, | |
1236 | struct v4l2_format *f) | |
1237 | { | |
1238 | switch (f->type) { | |
1239 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1240 | { | |
1241 | struct cx8800_fmt *fmt; | |
1242 | enum v4l2_field field; | |
1243 | unsigned int maxw, maxh; | |
1244 | ||
1245 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1246 | if (NULL == fmt) | |
1247 | return -EINVAL; | |
1248 | ||
1249 | field = f->fmt.pix.field; | |
1250 | maxw = norm_maxw(dev->core->tvnorm); | |
1251 | maxh = norm_maxh(dev->core->tvnorm); | |
1252 | ||
1253 | if (V4L2_FIELD_ANY == field) { | |
1254 | field = (f->fmt.pix.height > maxh/2) | |
1255 | ? V4L2_FIELD_INTERLACED | |
1256 | : V4L2_FIELD_BOTTOM; | |
1257 | } | |
1258 | ||
1259 | switch (field) { | |
1260 | case V4L2_FIELD_TOP: | |
1261 | case V4L2_FIELD_BOTTOM: | |
1262 | maxh = maxh / 2; | |
1263 | break; | |
1264 | case V4L2_FIELD_INTERLACED: | |
1265 | break; | |
1266 | default: | |
1267 | return -EINVAL; | |
1268 | } | |
1269 | ||
1270 | f->fmt.pix.field = field; | |
1271 | if (f->fmt.pix.height < 32) | |
1272 | f->fmt.pix.height = 32; | |
1273 | if (f->fmt.pix.height > maxh) | |
1274 | f->fmt.pix.height = maxh; | |
1275 | if (f->fmt.pix.width < 48) | |
1276 | f->fmt.pix.width = 48; | |
1277 | if (f->fmt.pix.width > maxw) | |
1278 | f->fmt.pix.width = maxw; | |
1279 | f->fmt.pix.width &= ~0x03; | |
1280 | f->fmt.pix.bytesperline = | |
1281 | (f->fmt.pix.width * fmt->depth) >> 3; | |
1282 | f->fmt.pix.sizeimage = | |
1283 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
1284 | ||
1285 | return 0; | |
1286 | } | |
1287 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1288 | cx8800_vbi_fmt(dev, f); | |
1289 | return 0; | |
1290 | default: | |
1291 | return -EINVAL; | |
1292 | } | |
1293 | } | |
1294 | ||
1295 | static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh, | |
1296 | struct v4l2_format *f) | |
1297 | { | |
1298 | int err; | |
1299 | ||
1300 | switch (f->type) { | |
1301 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1302 | err = cx8800_try_fmt(dev,fh,f); | |
1303 | if (0 != err) | |
1304 | return err; | |
1305 | ||
1306 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1307 | fh->width = f->fmt.pix.width; | |
1308 | fh->height = f->fmt.pix.height; | |
1309 | fh->vidq.field = f->fmt.pix.field; | |
1310 | return 0; | |
1311 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1312 | cx8800_vbi_fmt(dev, f); | |
1313 | return 0; | |
1314 | default: | |
1315 | return -EINVAL; | |
1316 | } | |
1317 | } | |
1318 | ||
1319 | /* | |
1320 | * This function is _not_ called directly, but from | |
1321 | * video_generic_ioctl (and maybe others). userspace | |
1322 | * copying is done already, arg is a kernel pointer. | |
1323 | */ | |
1324 | static int video_do_ioctl(struct inode *inode, struct file *file, | |
1325 | unsigned int cmd, void *arg) | |
1326 | { | |
1327 | struct cx8800_fh *fh = file->private_data; | |
1328 | struct cx8800_dev *dev = fh->dev; | |
1329 | struct cx88_core *core = dev->core; | |
1330 | #if 0 | |
1331 | unsigned long flags; | |
1332 | #endif | |
1333 | int err; | |
1334 | ||
1335 | if (video_debug > 1) | |
1336 | cx88_print_ioctl(core->name,cmd); | |
1337 | switch (cmd) { | |
1338 | case VIDIOC_QUERYCAP: | |
1339 | { | |
1340 | struct v4l2_capability *cap = arg; | |
1341 | ||
1342 | memset(cap,0,sizeof(*cap)); | |
1343 | strcpy(cap->driver, "cx8800"); | |
1344 | strlcpy(cap->card, cx88_boards[core->board].name, | |
1345 | sizeof(cap->card)); | |
1346 | sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); | |
1347 | cap->version = CX88_VERSION_CODE; | |
1348 | cap->capabilities = | |
1349 | V4L2_CAP_VIDEO_CAPTURE | | |
1350 | V4L2_CAP_READWRITE | | |
1351 | V4L2_CAP_STREAMING | | |
1352 | V4L2_CAP_VBI_CAPTURE | | |
1353 | #if 0 | |
1354 | V4L2_CAP_VIDEO_OVERLAY | | |
1355 | #endif | |
1356 | 0; | |
1357 | if (UNSET != core->tuner_type) | |
1358 | cap->capabilities |= V4L2_CAP_TUNER; | |
1359 | return 0; | |
1360 | } | |
1361 | ||
1362 | /* ---------- tv norms ---------- */ | |
1363 | case VIDIOC_ENUMSTD: | |
1364 | { | |
1365 | struct v4l2_standard *e = arg; | |
1366 | unsigned int i; | |
1367 | ||
1368 | i = e->index; | |
1369 | if (i >= ARRAY_SIZE(tvnorms)) | |
1370 | return -EINVAL; | |
1371 | err = v4l2_video_std_construct(e, tvnorms[e->index].id, | |
1372 | tvnorms[e->index].name); | |
1373 | e->index = i; | |
1374 | if (err < 0) | |
1375 | return err; | |
1376 | return 0; | |
1377 | } | |
1378 | case VIDIOC_G_STD: | |
1379 | { | |
1380 | v4l2_std_id *id = arg; | |
1381 | ||
1382 | *id = core->tvnorm->id; | |
1383 | return 0; | |
1384 | } | |
1385 | case VIDIOC_S_STD: | |
1386 | { | |
1387 | v4l2_std_id *id = arg; | |
1388 | unsigned int i; | |
1389 | ||
1390 | for(i = 0; i < ARRAY_SIZE(tvnorms); i++) | |
1391 | if (*id & tvnorms[i].id) | |
1392 | break; | |
1393 | if (i == ARRAY_SIZE(tvnorms)) | |
1394 | return -EINVAL; | |
1395 | ||
1396 | down(&dev->lock); | |
1397 | cx88_set_tvnorm(dev->core,&tvnorms[i]); | |
1398 | up(&dev->lock); | |
1399 | return 0; | |
1400 | } | |
1401 | ||
1402 | /* ------ input switching ---------- */ | |
1403 | case VIDIOC_ENUMINPUT: | |
1404 | { | |
1405 | static const char *iname[] = { | |
1406 | [ CX88_VMUX_COMPOSITE1 ] = "Composite1", | |
1407 | [ CX88_VMUX_COMPOSITE2 ] = "Composite2", | |
1408 | [ CX88_VMUX_COMPOSITE3 ] = "Composite3", | |
1409 | [ CX88_VMUX_COMPOSITE4 ] = "Composite4", | |
1410 | [ CX88_VMUX_SVIDEO ] = "S-Video", | |
1411 | [ CX88_VMUX_TELEVISION ] = "Television", | |
1412 | [ CX88_VMUX_CABLE ] = "Cable TV", | |
1413 | [ CX88_VMUX_DVB ] = "DVB", | |
1414 | [ CX88_VMUX_DEBUG ] = "for debug only", | |
1415 | }; | |
1416 | struct v4l2_input *i = arg; | |
1417 | unsigned int n; | |
1418 | ||
1419 | n = i->index; | |
1420 | if (n >= 4) | |
1421 | return -EINVAL; | |
1422 | if (0 == INPUT(n)->type) | |
1423 | return -EINVAL; | |
1424 | memset(i,0,sizeof(*i)); | |
1425 | i->index = n; | |
1426 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1427 | strcpy(i->name,iname[INPUT(n)->type]); | |
1428 | if ((CX88_VMUX_TELEVISION == INPUT(n)->type) || | |
1429 | (CX88_VMUX_CABLE == INPUT(n)->type)) | |
1430 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1431 | for (n = 0; n < ARRAY_SIZE(tvnorms); n++) | |
1432 | i->std |= tvnorms[n].id; | |
1433 | return 0; | |
1434 | } | |
1435 | case VIDIOC_G_INPUT: | |
1436 | { | |
1437 | unsigned int *i = arg; | |
1438 | ||
1439 | *i = dev->core->input; | |
1440 | return 0; | |
1441 | } | |
1442 | case VIDIOC_S_INPUT: | |
1443 | { | |
1444 | unsigned int *i = arg; | |
1445 | ||
1446 | if (*i >= 4) | |
1447 | return -EINVAL; | |
1448 | down(&dev->lock); | |
1449 | cx88_newstation(core); | |
1450 | video_mux(dev,*i); | |
1451 | up(&dev->lock); | |
1452 | return 0; | |
1453 | } | |
1454 | ||
1455 | ||
1456 | #if 0 | |
1457 | /* needs review */ | |
1458 | case VIDIOC_G_AUDIO: | |
1459 | { | |
1460 | struct v4l2_audio *a = arg; | |
1461 | unsigned int n = a->index; | |
1462 | ||
1463 | memset(a,0,sizeof(*a)); | |
1464 | a->index = n; | |
1465 | switch (n) { | |
1466 | case 0: | |
1467 | if ((CX88_VMUX_TELEVISION == INPUT(n)->type) | |
1468 | || (CX88_VMUX_CABLE == INPUT(n)->type)) { | |
1469 | strcpy(a->name,"Television"); | |
1470 | // FIXME figure out if stereo received and set V4L2_AUDCAP_STEREO. | |
1471 | return 0; | |
1472 | } | |
1473 | break; | |
1474 | case 1: | |
a82decf6 | 1475 | if (CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q == core->board) { |
1da177e4 LT |
1476 | strcpy(a->name,"Line In"); |
1477 | a->capability = V4L2_AUDCAP_STEREO; | |
1478 | return 0; | |
1479 | } | |
1480 | break; | |
1481 | } | |
1482 | // Audio input not available. | |
1483 | return -EINVAL; | |
1484 | } | |
1485 | #endif | |
1486 | ||
1487 | /* --- capture ioctls ---------------------------------------- */ | |
1488 | case VIDIOC_ENUM_FMT: | |
1489 | { | |
1490 | struct v4l2_fmtdesc *f = arg; | |
1491 | enum v4l2_buf_type type; | |
1492 | unsigned int index; | |
1493 | ||
1494 | index = f->index; | |
1495 | type = f->type; | |
1496 | switch (type) { | |
1497 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1498 | if (index >= ARRAY_SIZE(formats)) | |
1499 | return -EINVAL; | |
1500 | memset(f,0,sizeof(*f)); | |
1501 | f->index = index; | |
1502 | f->type = type; | |
1503 | strlcpy(f->description,formats[index].name,sizeof(f->description)); | |
1504 | f->pixelformat = formats[index].fourcc; | |
1505 | break; | |
1506 | default: | |
1507 | return -EINVAL; | |
1508 | } | |
1509 | return 0; | |
1510 | } | |
1511 | case VIDIOC_G_FMT: | |
1512 | { | |
1513 | struct v4l2_format *f = arg; | |
1514 | return cx8800_g_fmt(dev,fh,f); | |
1515 | } | |
1516 | case VIDIOC_S_FMT: | |
1517 | { | |
1518 | struct v4l2_format *f = arg; | |
1519 | return cx8800_s_fmt(dev,fh,f); | |
1520 | } | |
1521 | case VIDIOC_TRY_FMT: | |
1522 | { | |
1523 | struct v4l2_format *f = arg; | |
1524 | return cx8800_try_fmt(dev,fh,f); | |
1525 | } | |
1526 | ||
1527 | /* --- controls ---------------------------------------------- */ | |
1528 | case VIDIOC_QUERYCTRL: | |
1529 | { | |
1530 | struct v4l2_queryctrl *c = arg; | |
1531 | int i; | |
1532 | ||
1533 | if (c->id < V4L2_CID_BASE || | |
1534 | c->id >= V4L2_CID_LASTP1) | |
1535 | return -EINVAL; | |
1536 | for (i = 0; i < CX8800_CTLS; i++) | |
1537 | if (cx8800_ctls[i].v.id == c->id) | |
1538 | break; | |
1539 | if (i == CX8800_CTLS) { | |
1540 | *c = no_ctl; | |
1541 | return 0; | |
1542 | } | |
1543 | *c = cx8800_ctls[i].v; | |
1544 | return 0; | |
1545 | } | |
1546 | case VIDIOC_G_CTRL: | |
1547 | return get_control(dev,arg); | |
1548 | case VIDIOC_S_CTRL: | |
1549 | return set_control(dev,arg); | |
1550 | ||
1551 | /* --- tuner ioctls ------------------------------------------ */ | |
1552 | case VIDIOC_G_TUNER: | |
1553 | { | |
1554 | struct v4l2_tuner *t = arg; | |
1555 | u32 reg; | |
1556 | ||
1557 | if (UNSET == core->tuner_type) | |
1558 | return -EINVAL; | |
1559 | if (0 != t->index) | |
1560 | return -EINVAL; | |
1561 | ||
1562 | memset(t,0,sizeof(*t)); | |
1563 | strcpy(t->name, "Television"); | |
1564 | t->type = V4L2_TUNER_ANALOG_TV; | |
1565 | t->capability = V4L2_TUNER_CAP_NORM; | |
1566 | t->rangehigh = 0xffffffffUL; | |
1567 | ||
1568 | cx88_get_stereo(core ,t); | |
1569 | reg = cx_read(MO_DEVICE_STATUS); | |
1570 | t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; | |
1571 | return 0; | |
1572 | } | |
1573 | case VIDIOC_S_TUNER: | |
1574 | { | |
1575 | struct v4l2_tuner *t = arg; | |
1576 | ||
1577 | if (UNSET == core->tuner_type) | |
1578 | return -EINVAL; | |
1579 | if (0 != t->index) | |
1580 | return -EINVAL; | |
1581 | cx88_set_stereo(core, t->audmode, 1); | |
1582 | return 0; | |
1583 | } | |
1584 | case VIDIOC_G_FREQUENCY: | |
1585 | { | |
1586 | struct v4l2_frequency *f = arg; | |
1587 | ||
a82decf6 MCC |
1588 | memset(f,0,sizeof(*f)); |
1589 | ||
1da177e4 LT |
1590 | if (UNSET == core->tuner_type) |
1591 | return -EINVAL; | |
a82decf6 | 1592 | |
1da177e4 LT |
1593 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
1594 | f->frequency = dev->freq; | |
1595 | return 0; | |
1596 | } | |
1597 | case VIDIOC_S_FREQUENCY: | |
1598 | { | |
1599 | struct v4l2_frequency *f = arg; | |
1600 | ||
1601 | if (UNSET == core->tuner_type) | |
1602 | return -EINVAL; | |
1603 | if (f->tuner != 0) | |
1604 | return -EINVAL; | |
1605 | if (0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV) | |
1606 | return -EINVAL; | |
1607 | if (1 == fh->radio && f->type != V4L2_TUNER_RADIO) | |
1608 | return -EINVAL; | |
1609 | down(&dev->lock); | |
1610 | dev->freq = f->frequency; | |
1611 | cx88_newstation(core); | |
1da177e4 | 1612 | cx88_call_i2c_clients(dev->core,VIDIOC_S_FREQUENCY,f); |
1da177e4 LT |
1613 | up(&dev->lock); |
1614 | return 0; | |
1615 | } | |
1616 | ||
1617 | /* --- streaming capture ------------------------------------- */ | |
1618 | case VIDIOCGMBUF: | |
1619 | { | |
1620 | struct video_mbuf *mbuf = arg; | |
1621 | struct videobuf_queue *q; | |
1622 | struct v4l2_requestbuffers req; | |
1623 | unsigned int i; | |
1624 | ||
1625 | q = get_queue(fh); | |
1626 | memset(&req,0,sizeof(req)); | |
1627 | req.type = q->type; | |
1628 | req.count = 8; | |
1629 | req.memory = V4L2_MEMORY_MMAP; | |
1630 | err = videobuf_reqbufs(q,&req); | |
1631 | if (err < 0) | |
1632 | return err; | |
1633 | memset(mbuf,0,sizeof(*mbuf)); | |
1634 | mbuf->frames = req.count; | |
1635 | mbuf->size = 0; | |
1636 | for (i = 0; i < mbuf->frames; i++) { | |
1637 | mbuf->offsets[i] = q->bufs[i]->boff; | |
1638 | mbuf->size += q->bufs[i]->bsize; | |
1639 | } | |
1640 | return 0; | |
1641 | } | |
1642 | case VIDIOC_REQBUFS: | |
1643 | return videobuf_reqbufs(get_queue(fh), arg); | |
1644 | ||
1645 | case VIDIOC_QUERYBUF: | |
1646 | return videobuf_querybuf(get_queue(fh), arg); | |
1647 | ||
1648 | case VIDIOC_QBUF: | |
1649 | return videobuf_qbuf(get_queue(fh), arg); | |
1650 | ||
1651 | case VIDIOC_DQBUF: | |
1652 | return videobuf_dqbuf(get_queue(fh), arg, | |
1653 | file->f_flags & O_NONBLOCK); | |
1654 | ||
1655 | case VIDIOC_STREAMON: | |
1656 | { | |
1657 | int res = get_ressource(fh); | |
1658 | ||
1659 | if (!res_get(dev,fh,res)) | |
1660 | return -EBUSY; | |
1661 | return videobuf_streamon(get_queue(fh)); | |
1662 | } | |
1663 | case VIDIOC_STREAMOFF: | |
1664 | { | |
1665 | int res = get_ressource(fh); | |
1666 | ||
1667 | err = videobuf_streamoff(get_queue(fh)); | |
1668 | if (err < 0) | |
1669 | return err; | |
1670 | res_free(dev,fh,res); | |
1671 | return 0; | |
1672 | } | |
1673 | ||
1674 | default: | |
1675 | return v4l_compat_translate_ioctl(inode,file,cmd,arg, | |
1676 | video_do_ioctl); | |
1677 | } | |
1678 | return 0; | |
1679 | } | |
1680 | ||
1681 | static int video_ioctl(struct inode *inode, struct file *file, | |
1682 | unsigned int cmd, unsigned long arg) | |
1683 | { | |
1684 | return video_usercopy(inode, file, cmd, arg, video_do_ioctl); | |
1685 | } | |
1686 | ||
1687 | /* ----------------------------------------------------------- */ | |
1688 | ||
1689 | static int radio_do_ioctl(struct inode *inode, struct file *file, | |
1690 | unsigned int cmd, void *arg) | |
1691 | { | |
1692 | struct cx8800_fh *fh = file->private_data; | |
1693 | struct cx8800_dev *dev = fh->dev; | |
1694 | struct cx88_core *core = dev->core; | |
1695 | ||
1696 | if (video_debug > 1) | |
1697 | cx88_print_ioctl(core->name,cmd); | |
1698 | ||
1699 | switch (cmd) { | |
1700 | case VIDIOC_QUERYCAP: | |
1701 | { | |
1702 | struct v4l2_capability *cap = arg; | |
1703 | ||
1704 | memset(cap,0,sizeof(*cap)); | |
1705 | strcpy(cap->driver, "cx8800"); | |
1706 | strlcpy(cap->card, cx88_boards[core->board].name, | |
1707 | sizeof(cap->card)); | |
1708 | sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci)); | |
1709 | cap->version = CX88_VERSION_CODE; | |
a82decf6 | 1710 | cap->capabilities = V4L2_CAP_TUNER; |
1da177e4 LT |
1711 | return 0; |
1712 | } | |
1713 | case VIDIOC_G_TUNER: | |
1714 | { | |
1715 | struct v4l2_tuner *t = arg; | |
1716 | ||
1717 | if (t->index > 0) | |
1718 | return -EINVAL; | |
1719 | ||
1720 | memset(t,0,sizeof(*t)); | |
1721 | strcpy(t->name, "Radio"); | |
1da177e4 | 1722 | |
1da177e4 | 1723 | cx88_call_i2c_clients(dev->core,VIDIOC_G_TUNER,t); |
1da177e4 LT |
1724 | return 0; |
1725 | } | |
1726 | case VIDIOC_ENUMINPUT: | |
1727 | { | |
1728 | struct v4l2_input *i = arg; | |
1729 | ||
1730 | if (i->index != 0) | |
1731 | return -EINVAL; | |
1732 | strcpy(i->name,"Radio"); | |
1733 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1734 | return 0; | |
1735 | } | |
1736 | case VIDIOC_G_INPUT: | |
1737 | { | |
1738 | int *i = arg; | |
1739 | *i = 0; | |
1740 | return 0; | |
1741 | } | |
1742 | case VIDIOC_G_AUDIO: | |
1743 | { | |
1744 | struct v4l2_audio *a = arg; | |
1745 | ||
1746 | memset(a,0,sizeof(*a)); | |
1747 | strcpy(a->name,"Radio"); | |
1748 | return 0; | |
1749 | } | |
1750 | case VIDIOC_G_STD: | |
1751 | { | |
1752 | v4l2_std_id *id = arg; | |
1753 | *id = 0; | |
1754 | return 0; | |
1755 | } | |
a82decf6 MCC |
1756 | case VIDIOCSTUNER: |
1757 | { | |
1758 | struct video_tuner *v = arg; | |
1759 | ||
1760 | if (v->tuner) /* Only tuner 0 */ | |
1761 | return -EINVAL; | |
1762 | ||
1763 | cx88_call_i2c_clients(dev->core,VIDIOCSTUNER,v); | |
1764 | return 0; | |
1765 | } | |
1da177e4 | 1766 | case VIDIOC_S_TUNER: |
a82decf6 MCC |
1767 | { |
1768 | struct v4l2_tuner *t = arg; | |
1769 | ||
1770 | if (0 != t->index) | |
1771 | return -EINVAL; | |
1772 | ||
1773 | cx88_call_i2c_clients(dev->core,VIDIOC_S_TUNER,t); | |
1774 | ||
1775 | return 0; | |
1776 | } | |
1777 | ||
1778 | case VIDIOC_S_AUDIO: | |
1da177e4 LT |
1779 | case VIDIOC_S_INPUT: |
1780 | case VIDIOC_S_STD: | |
1781 | return 0; | |
1782 | ||
1783 | case VIDIOC_QUERYCTRL: | |
1784 | { | |
1785 | struct v4l2_queryctrl *c = arg; | |
1786 | int i; | |
1787 | ||
1788 | if (c->id < V4L2_CID_BASE || | |
1789 | c->id >= V4L2_CID_LASTP1) | |
1790 | return -EINVAL; | |
1791 | if (c->id == V4L2_CID_AUDIO_MUTE) { | |
1792 | for (i = 0; i < CX8800_CTLS; i++) | |
1793 | if (cx8800_ctls[i].v.id == c->id) | |
1794 | break; | |
1795 | *c = cx8800_ctls[i].v; | |
1796 | } else | |
1797 | *c = no_ctl; | |
1798 | return 0; | |
1799 | } | |
1800 | ||
1801 | ||
1802 | case VIDIOC_G_CTRL: | |
1803 | case VIDIOC_S_CTRL: | |
1804 | case VIDIOC_G_FREQUENCY: | |
1805 | case VIDIOC_S_FREQUENCY: | |
1806 | return video_do_ioctl(inode,file,cmd,arg); | |
1807 | ||
1808 | default: | |
1809 | return v4l_compat_translate_ioctl(inode,file,cmd,arg, | |
1810 | radio_do_ioctl); | |
1811 | } | |
1812 | return 0; | |
1813 | }; | |
1814 | ||
1815 | static int radio_ioctl(struct inode *inode, struct file *file, | |
1816 | unsigned int cmd, unsigned long arg) | |
1817 | { | |
1818 | return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); | |
1819 | }; | |
1820 | ||
1821 | /* ----------------------------------------------------------- */ | |
1822 | ||
1823 | static void cx8800_vid_timeout(unsigned long data) | |
1824 | { | |
1825 | struct cx8800_dev *dev = (struct cx8800_dev*)data; | |
1826 | struct cx88_core *core = dev->core; | |
1827 | struct cx88_dmaqueue *q = &dev->vidq; | |
1828 | struct cx88_buffer *buf; | |
1829 | unsigned long flags; | |
1830 | ||
1831 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]); | |
1832 | ||
1833 | cx_clear(MO_VID_DMACNTRL, 0x11); | |
1834 | cx_clear(VID_CAPTURE_CONTROL, 0x06); | |
1835 | ||
1836 | spin_lock_irqsave(&dev->slock,flags); | |
1837 | while (!list_empty(&q->active)) { | |
1838 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
1839 | list_del(&buf->vb.queue); | |
1840 | buf->vb.state = STATE_ERROR; | |
1841 | wake_up(&buf->vb.done); | |
1842 | printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name, | |
1843 | buf, buf->vb.i, (unsigned long)buf->risc.dma); | |
1844 | } | |
1845 | restart_video_queue(dev,q); | |
1846 | spin_unlock_irqrestore(&dev->slock,flags); | |
1847 | } | |
1848 | ||
1849 | static void cx8800_vid_irq(struct cx8800_dev *dev) | |
1850 | { | |
1851 | struct cx88_core *core = dev->core; | |
1852 | u32 status, mask, count; | |
1853 | ||
1854 | status = cx_read(MO_VID_INTSTAT); | |
1855 | mask = cx_read(MO_VID_INTMSK); | |
1856 | if (0 == (status & mask)) | |
1857 | return; | |
1858 | cx_write(MO_VID_INTSTAT, status); | |
1859 | if (irq_debug || (status & mask & ~0xff)) | |
1860 | cx88_print_irqbits(core->name, "irq vid", | |
1861 | cx88_vid_irqs, status, mask); | |
1862 | ||
1863 | /* risc op code error */ | |
1864 | if (status & (1 << 16)) { | |
1865 | printk(KERN_WARNING "%s/0: video risc op code error\n",core->name); | |
1866 | cx_clear(MO_VID_DMACNTRL, 0x11); | |
1867 | cx_clear(VID_CAPTURE_CONTROL, 0x06); | |
1868 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]); | |
1869 | } | |
1870 | ||
1871 | /* risc1 y */ | |
1872 | if (status & 0x01) { | |
1873 | spin_lock(&dev->slock); | |
1874 | count = cx_read(MO_VIDY_GPCNT); | |
1875 | cx88_wakeup(dev->core, &dev->vidq, count); | |
1876 | spin_unlock(&dev->slock); | |
1877 | } | |
1878 | ||
1879 | /* risc1 vbi */ | |
1880 | if (status & 0x08) { | |
1881 | spin_lock(&dev->slock); | |
1882 | count = cx_read(MO_VBI_GPCNT); | |
1883 | cx88_wakeup(dev->core, &dev->vbiq, count); | |
1884 | spin_unlock(&dev->slock); | |
1885 | } | |
1886 | ||
1887 | /* risc2 y */ | |
1888 | if (status & 0x10) { | |
1889 | dprintk(2,"stopper video\n"); | |
1890 | spin_lock(&dev->slock); | |
1891 | restart_video_queue(dev,&dev->vidq); | |
1892 | spin_unlock(&dev->slock); | |
1893 | } | |
1894 | ||
1895 | /* risc2 vbi */ | |
1896 | if (status & 0x80) { | |
1897 | dprintk(2,"stopper vbi\n"); | |
1898 | spin_lock(&dev->slock); | |
1899 | cx8800_restart_vbi_queue(dev,&dev->vbiq); | |
1900 | spin_unlock(&dev->slock); | |
1901 | } | |
1902 | } | |
1903 | ||
1904 | static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs) | |
1905 | { | |
1906 | struct cx8800_dev *dev = dev_id; | |
1907 | struct cx88_core *core = dev->core; | |
1908 | u32 status; | |
1909 | int loop, handled = 0; | |
1910 | ||
1911 | for (loop = 0; loop < 10; loop++) { | |
1912 | status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01); | |
1913 | if (0 == status) | |
1914 | goto out; | |
1915 | cx_write(MO_PCI_INTSTAT, status); | |
1916 | handled = 1; | |
1917 | ||
1918 | if (status & core->pci_irqmask) | |
1919 | cx88_core_irq(core,status); | |
1920 | if (status & 0x01) | |
1921 | cx8800_vid_irq(dev); | |
1922 | }; | |
1923 | if (10 == loop) { | |
1924 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", | |
1925 | core->name); | |
1926 | cx_write(MO_PCI_INTMSK,0); | |
1927 | } | |
1928 | ||
1929 | out: | |
1930 | return IRQ_RETVAL(handled); | |
1931 | } | |
1932 | ||
1933 | /* ----------------------------------------------------------- */ | |
1934 | /* exported stuff */ | |
1935 | ||
1936 | static struct file_operations video_fops = | |
1937 | { | |
1938 | .owner = THIS_MODULE, | |
1939 | .open = video_open, | |
1940 | .release = video_release, | |
1941 | .read = video_read, | |
1942 | .poll = video_poll, | |
1943 | .mmap = video_mmap, | |
1944 | .ioctl = video_ioctl, | |
1945 | .llseek = no_llseek, | |
1946 | }; | |
1947 | ||
408b664a | 1948 | static struct video_device cx8800_video_template = |
1da177e4 LT |
1949 | { |
1950 | .name = "cx8800-video", | |
1951 | .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES, | |
1952 | .hardware = 0, | |
1953 | .fops = &video_fops, | |
1954 | .minor = -1, | |
1955 | }; | |
1956 | ||
408b664a | 1957 | static struct video_device cx8800_vbi_template = |
1da177e4 LT |
1958 | { |
1959 | .name = "cx8800-vbi", | |
1960 | .type = VID_TYPE_TELETEXT|VID_TYPE_TUNER, | |
1961 | .hardware = 0, | |
1962 | .fops = &video_fops, | |
1963 | .minor = -1, | |
1964 | }; | |
1965 | ||
1966 | static struct file_operations radio_fops = | |
1967 | { | |
1968 | .owner = THIS_MODULE, | |
1969 | .open = video_open, | |
1970 | .release = video_release, | |
1971 | .ioctl = radio_ioctl, | |
1972 | .llseek = no_llseek, | |
1973 | }; | |
1974 | ||
408b664a | 1975 | static struct video_device cx8800_radio_template = |
1da177e4 LT |
1976 | { |
1977 | .name = "cx8800-radio", | |
1978 | .type = VID_TYPE_TUNER, | |
1979 | .hardware = 0, | |
1980 | .fops = &radio_fops, | |
1981 | .minor = -1, | |
1982 | }; | |
1983 | ||
1984 | /* ----------------------------------------------------------- */ | |
1985 | ||
1986 | static void cx8800_unregister_video(struct cx8800_dev *dev) | |
1987 | { | |
1988 | if (dev->radio_dev) { | |
1989 | if (-1 != dev->radio_dev->minor) | |
1990 | video_unregister_device(dev->radio_dev); | |
1991 | else | |
1992 | video_device_release(dev->radio_dev); | |
1993 | dev->radio_dev = NULL; | |
1994 | } | |
1995 | if (dev->vbi_dev) { | |
1996 | if (-1 != dev->vbi_dev->minor) | |
1997 | video_unregister_device(dev->vbi_dev); | |
1998 | else | |
1999 | video_device_release(dev->vbi_dev); | |
2000 | dev->vbi_dev = NULL; | |
2001 | } | |
2002 | if (dev->video_dev) { | |
2003 | if (-1 != dev->video_dev->minor) | |
2004 | video_unregister_device(dev->video_dev); | |
2005 | else | |
2006 | video_device_release(dev->video_dev); | |
2007 | dev->video_dev = NULL; | |
2008 | } | |
2009 | } | |
2010 | ||
2011 | static int __devinit cx8800_initdev(struct pci_dev *pci_dev, | |
2012 | const struct pci_device_id *pci_id) | |
2013 | { | |
2014 | struct cx8800_dev *dev; | |
2015 | struct cx88_core *core; | |
b45009b0 | 2016 | struct tuner_addr tun_addr; |
1da177e4 LT |
2017 | int err; |
2018 | ||
2019 | dev = kmalloc(sizeof(*dev),GFP_KERNEL); | |
2020 | if (NULL == dev) | |
2021 | return -ENOMEM; | |
2022 | memset(dev,0,sizeof(*dev)); | |
2023 | ||
2024 | /* pci init */ | |
2025 | dev->pci = pci_dev; | |
2026 | if (pci_enable_device(pci_dev)) { | |
2027 | err = -EIO; | |
2028 | goto fail_free; | |
2029 | } | |
2030 | core = cx88_core_get(dev->pci); | |
2031 | if (NULL == core) { | |
2032 | err = -EINVAL; | |
2033 | goto fail_free; | |
2034 | } | |
2035 | dev->core = core; | |
2036 | ||
2037 | /* print pci info */ | |
2038 | pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); | |
2039 | pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); | |
2040 | printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " | |
2041 | "latency: %d, mmio: 0x%lx\n", core->name, | |
2042 | pci_name(pci_dev), dev->pci_rev, pci_dev->irq, | |
2043 | dev->pci_lat,pci_resource_start(pci_dev,0)); | |
2044 | ||
2045 | pci_set_master(pci_dev); | |
2046 | if (!pci_dma_supported(pci_dev,0xffffffff)) { | |
2047 | printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name); | |
2048 | err = -EIO; | |
2049 | goto fail_core; | |
2050 | } | |
2051 | ||
2052 | /* initialize driver struct */ | |
2053 | init_MUTEX(&dev->lock); | |
2054 | spin_lock_init(&dev->slock); | |
2055 | core->tvnorm = tvnorms; | |
2056 | ||
2057 | /* init video dma queues */ | |
2058 | INIT_LIST_HEAD(&dev->vidq.active); | |
2059 | INIT_LIST_HEAD(&dev->vidq.queued); | |
2060 | dev->vidq.timeout.function = cx8800_vid_timeout; | |
2061 | dev->vidq.timeout.data = (unsigned long)dev; | |
2062 | init_timer(&dev->vidq.timeout); | |
2063 | cx88_risc_stopper(dev->pci,&dev->vidq.stopper, | |
2064 | MO_VID_DMACNTRL,0x11,0x00); | |
2065 | ||
2066 | /* init vbi dma queues */ | |
2067 | INIT_LIST_HEAD(&dev->vbiq.active); | |
2068 | INIT_LIST_HEAD(&dev->vbiq.queued); | |
2069 | dev->vbiq.timeout.function = cx8800_vbi_timeout; | |
2070 | dev->vbiq.timeout.data = (unsigned long)dev; | |
2071 | init_timer(&dev->vbiq.timeout); | |
2072 | cx88_risc_stopper(dev->pci,&dev->vbiq.stopper, | |
2073 | MO_VID_DMACNTRL,0x88,0x00); | |
2074 | ||
2075 | /* get irq */ | |
2076 | err = request_irq(pci_dev->irq, cx8800_irq, | |
2077 | SA_SHIRQ | SA_INTERRUPT, core->name, dev); | |
2078 | if (err < 0) { | |
2079 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
2080 | core->name,pci_dev->irq); | |
2081 | goto fail_core; | |
2082 | } | |
2083 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
2084 | ||
2085 | /* load and configure helper modules */ | |
2086 | if (TUNER_ABSENT != core->tuner_type) | |
2087 | request_module("tuner"); | |
2088 | if (core->tda9887_conf) | |
2089 | request_module("tda9887"); | |
b45009b0 MCC |
2090 | if (core->radio_type != UNSET) { |
2091 | tun_addr.v4l2_tuner = V4L2_TUNER_RADIO; | |
2092 | tun_addr.type = core->radio_type; | |
2093 | tun_addr.addr = core->radio_addr; | |
2094 | cx88_call_i2c_clients(dev->core,TUNER_SET_TYPE_ADDR, &tun_addr); | |
2095 | } | |
2096 | if (core->tuner_type != UNSET) { | |
2097 | tun_addr.v4l2_tuner = V4L2_TUNER_ANALOG_TV; | |
2098 | tun_addr.type = core->tuner_type; | |
2099 | tun_addr.addr = core->tuner_addr; | |
2100 | cx88_call_i2c_clients(dev->core,TUNER_SET_TYPE_ADDR, &tun_addr); | |
2101 | } | |
2102 | ||
1da177e4 LT |
2103 | if (core->tda9887_conf) |
2104 | cx88_call_i2c_clients(dev->core,TDA9887_SET_CONFIG,&core->tda9887_conf); | |
2105 | ||
2106 | /* register v4l devices */ | |
2107 | dev->video_dev = cx88_vdev_init(core,dev->pci, | |
2108 | &cx8800_video_template,"video"); | |
2109 | err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, | |
2110 | video_nr[core->nr]); | |
2111 | if (err < 0) { | |
2112 | printk(KERN_INFO "%s: can't register video device\n", | |
2113 | core->name); | |
2114 | goto fail_unreg; | |
2115 | } | |
2116 | printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n", | |
2117 | core->name,dev->video_dev->minor & 0x1f); | |
2118 | ||
2119 | dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi"); | |
2120 | err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, | |
2121 | vbi_nr[core->nr]); | |
2122 | if (err < 0) { | |
2123 | printk(KERN_INFO "%s/0: can't register vbi device\n", | |
2124 | core->name); | |
2125 | goto fail_unreg; | |
2126 | } | |
2127 | printk(KERN_INFO "%s/0: registered device vbi%d\n", | |
2128 | core->name,dev->vbi_dev->minor & 0x1f); | |
2129 | ||
2130 | if (core->has_radio) { | |
2131 | dev->radio_dev = cx88_vdev_init(core,dev->pci, | |
2132 | &cx8800_radio_template,"radio"); | |
2133 | err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, | |
2134 | radio_nr[core->nr]); | |
2135 | if (err < 0) { | |
2136 | printk(KERN_INFO "%s/0: can't register radio device\n", | |
2137 | core->name); | |
2138 | goto fail_unreg; | |
2139 | } | |
2140 | printk(KERN_INFO "%s/0: registered device radio%d\n", | |
2141 | core->name,dev->radio_dev->minor & 0x1f); | |
2142 | } | |
2143 | ||
2144 | /* everything worked */ | |
2145 | list_add_tail(&dev->devlist,&cx8800_devlist); | |
2146 | pci_set_drvdata(pci_dev,dev); | |
2147 | ||
2148 | /* initial device configuration */ | |
2149 | down(&dev->lock); | |
2150 | init_controls(dev); | |
2151 | cx88_set_tvnorm(dev->core,tvnorms); | |
2152 | video_mux(dev,0); | |
2153 | up(&dev->lock); | |
2154 | ||
2155 | /* start tvaudio thread */ | |
2156 | if (core->tuner_type != TUNER_ABSENT) | |
2157 | core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio"); | |
2158 | return 0; | |
2159 | ||
2160 | fail_unreg: | |
2161 | cx8800_unregister_video(dev); | |
2162 | free_irq(pci_dev->irq, dev); | |
2163 | fail_core: | |
2164 | cx88_core_put(core,dev->pci); | |
2165 | fail_free: | |
2166 | kfree(dev); | |
2167 | return err; | |
2168 | } | |
2169 | ||
2170 | static void __devexit cx8800_finidev(struct pci_dev *pci_dev) | |
2171 | { | |
2172 | struct cx8800_dev *dev = pci_get_drvdata(pci_dev); | |
2173 | ||
2174 | /* stop thread */ | |
2175 | if (dev->core->kthread) { | |
2176 | kthread_stop(dev->core->kthread); | |
2177 | dev->core->kthread = NULL; | |
2178 | } | |
2179 | ||
2180 | cx88_shutdown(dev->core); /* FIXME */ | |
2181 | pci_disable_device(pci_dev); | |
2182 | ||
2183 | /* unregister stuff */ | |
2184 | ||
2185 | free_irq(pci_dev->irq, dev); | |
2186 | cx8800_unregister_video(dev); | |
2187 | pci_set_drvdata(pci_dev, NULL); | |
2188 | ||
2189 | /* free memory */ | |
2190 | btcx_riscmem_free(dev->pci,&dev->vidq.stopper); | |
2191 | list_del(&dev->devlist); | |
2192 | cx88_core_put(dev->core,dev->pci); | |
2193 | kfree(dev); | |
2194 | } | |
2195 | ||
2196 | static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state) | |
2197 | { | |
b45009b0 | 2198 | struct cx8800_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
2199 | struct cx88_core *core = dev->core; |
2200 | ||
2201 | /* stop video+vbi capture */ | |
2202 | spin_lock(&dev->slock); | |
2203 | if (!list_empty(&dev->vidq.active)) { | |
2204 | printk("%s: suspend video\n", core->name); | |
2205 | stop_video_dma(dev); | |
2206 | del_timer(&dev->vidq.timeout); | |
2207 | } | |
2208 | if (!list_empty(&dev->vbiq.active)) { | |
2209 | printk("%s: suspend vbi\n", core->name); | |
2210 | cx8800_stop_vbi_dma(dev); | |
2211 | del_timer(&dev->vbiq.timeout); | |
2212 | } | |
2213 | spin_unlock(&dev->slock); | |
2214 | ||
2215 | #if 1 | |
2216 | /* FIXME -- shutdown device */ | |
2217 | cx88_shutdown(dev->core); | |
2218 | #endif | |
2219 | ||
2220 | pci_save_state(pci_dev); | |
2221 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
2222 | pci_disable_device(pci_dev); | |
2223 | dev->state.disabled = 1; | |
2224 | } | |
2225 | return 0; | |
2226 | } | |
2227 | ||
2228 | static int cx8800_resume(struct pci_dev *pci_dev) | |
2229 | { | |
b45009b0 | 2230 | struct cx8800_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
2231 | struct cx88_core *core = dev->core; |
2232 | ||
2233 | if (dev->state.disabled) { | |
2234 | pci_enable_device(pci_dev); | |
2235 | dev->state.disabled = 0; | |
2236 | } | |
2237 | pci_set_power_state(pci_dev, PCI_D0); | |
2238 | pci_restore_state(pci_dev); | |
2239 | ||
2240 | #if 1 | |
2241 | /* FIXME: re-initialize hardware */ | |
2242 | cx88_reset(dev->core); | |
2243 | #endif | |
2244 | ||
2245 | /* restart video+vbi capture */ | |
2246 | spin_lock(&dev->slock); | |
2247 | if (!list_empty(&dev->vidq.active)) { | |
2248 | printk("%s: resume video\n", core->name); | |
2249 | restart_video_queue(dev,&dev->vidq); | |
2250 | } | |
2251 | if (!list_empty(&dev->vbiq.active)) { | |
2252 | printk("%s: resume vbi\n", core->name); | |
2253 | cx8800_restart_vbi_queue(dev,&dev->vbiq); | |
2254 | } | |
2255 | spin_unlock(&dev->slock); | |
2256 | ||
2257 | return 0; | |
2258 | } | |
2259 | ||
2260 | /* ----------------------------------------------------------- */ | |
2261 | ||
408b664a | 2262 | static struct pci_device_id cx8800_pci_tbl[] = { |
1da177e4 LT |
2263 | { |
2264 | .vendor = 0x14f1, | |
2265 | .device = 0x8800, | |
b45009b0 MCC |
2266 | .subvendor = PCI_ANY_ID, |
2267 | .subdevice = PCI_ANY_ID, | |
1da177e4 LT |
2268 | },{ |
2269 | /* --- end of list --- */ | |
2270 | } | |
2271 | }; | |
2272 | MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl); | |
2273 | ||
2274 | static struct pci_driver cx8800_pci_driver = { | |
b45009b0 MCC |
2275 | .name = "cx8800", |
2276 | .id_table = cx8800_pci_tbl, | |
2277 | .probe = cx8800_initdev, | |
2278 | .remove = __devexit_p(cx8800_finidev), | |
1da177e4 LT |
2279 | |
2280 | .suspend = cx8800_suspend, | |
2281 | .resume = cx8800_resume, | |
2282 | }; | |
2283 | ||
2284 | static int cx8800_init(void) | |
2285 | { | |
2286 | printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n", | |
2287 | (CX88_VERSION_CODE >> 16) & 0xff, | |
2288 | (CX88_VERSION_CODE >> 8) & 0xff, | |
2289 | CX88_VERSION_CODE & 0xff); | |
2290 | #ifdef SNAPSHOT | |
2291 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", | |
2292 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
2293 | #endif | |
2294 | return pci_register_driver(&cx8800_pci_driver); | |
2295 | } | |
2296 | ||
2297 | static void cx8800_fini(void) | |
2298 | { | |
2299 | pci_unregister_driver(&cx8800_pci_driver); | |
2300 | } | |
2301 | ||
2302 | module_init(cx8800_init); | |
2303 | module_exit(cx8800_fini); | |
2304 | ||
2305 | /* ----------------------------------------------------------- */ | |
2306 | /* | |
2307 | * Local variables: | |
2308 | * c-basic-offset: 8 | |
2309 | * End: | |
b45009b0 | 2310 | * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off |
1da177e4 | 2311 | */ |