1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
38
39#include <linux/init.h>
40#include <linux/module.h>
41#include <linux/delay.h>
42#include <linux/slab.h>
43#include <linux/errno.h>
44#include <linux/fs.h>
45#include <linux/kernel.h>
46#include <linux/sched.h>
47#include <linux/interrupt.h>
48#include <linux/kdev_t.h>
49#include "bttvp.h"
50#include <media/v4l2-common.h>
51#include <media/v4l2-ioctl.h>
52#include <media/v4l2-event.h>
53#include <media/tvaudio.h>
54#include <media/msp3400.h>
55
56#include <linux/dma-mapping.h>
57
58#include <asm/io.h>
59#include <asm/byteorder.h>
60
61#include <media/saa6588.h>
62
63#define BTTV_VERSION "0.9.19"
64
65unsigned int bttv_num;
66struct bttv *bttvs[BTTV_MAX];
67
68unsigned int bttv_debug;
69unsigned int bttv_verbose = 1;
70unsigned int bttv_gpio;
71
72
73#ifdef __BIG_ENDIAN
74static unsigned int bigendian=1;
75#else
76static unsigned int bigendian;
77#endif
78static unsigned int radio[BTTV_MAX];
79static unsigned int irq_debug;
80static unsigned int gbuffers = 8;
81static unsigned int gbufsize = 0x208000;
82static unsigned int reset_crop = 1;
83
84static int video_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
85static int radio_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
86static int vbi_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
87static int debug_latency;
88static int disable_ir;
89
90static unsigned int fdsr;
91
92
93static unsigned int combfilter;
94static unsigned int lumafilter;
95static unsigned int automute = 1;
96static unsigned int chroma_agc;
97static unsigned int agc_crush = 1;
98static unsigned int whitecrush_upper = 0xCF;
99static unsigned int whitecrush_lower = 0x7F;
100static unsigned int vcr_hack;
101static unsigned int irq_iswitch;
102static unsigned int uv_ratio = 50;
103static unsigned int full_luma_range;
104static unsigned int coring;
105
106
107static unsigned int v4l2 = 1;
108
109
110module_param(bttv_verbose, int, 0644);
111module_param(bttv_gpio, int, 0644);
112module_param(bttv_debug, int, 0644);
113module_param(irq_debug, int, 0644);
114module_param(debug_latency, int, 0644);
115module_param(disable_ir, int, 0444);
116
117module_param(fdsr, int, 0444);
118module_param(gbuffers, int, 0444);
119module_param(gbufsize, int, 0444);
120module_param(reset_crop, int, 0444);
121
122module_param(v4l2, int, 0644);
123module_param(bigendian, int, 0644);
124module_param(irq_iswitch, int, 0644);
125module_param(combfilter, int, 0444);
126module_param(lumafilter, int, 0444);
127module_param(automute, int, 0444);
128module_param(chroma_agc, int, 0444);
129module_param(agc_crush, int, 0444);
130module_param(whitecrush_upper, int, 0444);
131module_param(whitecrush_lower, int, 0444);
132module_param(vcr_hack, int, 0444);
133module_param(uv_ratio, int, 0444);
134module_param(full_luma_range, int, 0444);
135module_param(coring, int, 0444);
136
137module_param_array(radio, int, NULL, 0444);
138module_param_array(video_nr, int, NULL, 0444);
139module_param_array(radio_nr, int, NULL, 0444);
140module_param_array(vbi_nr, int, NULL, 0444);
141
142MODULE_PARM_DESC(radio, "The TV card supports radio, default is 0 (no)");
143MODULE_PARM_DESC(bigendian, "byte order of the framebuffer, default is native endian");
144MODULE_PARM_DESC(bttv_verbose, "verbose startup messages, default is 1 (yes)");
145MODULE_PARM_DESC(bttv_gpio, "log gpio changes, default is 0 (no)");
146MODULE_PARM_DESC(bttv_debug, "debug messages, default is 0 (no)");
147MODULE_PARM_DESC(irq_debug, "irq handler debug messages, default is 0 (no)");
148MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
149MODULE_PARM_DESC(gbuffers, "number of capture buffers. range 2-32, default 8");
150MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 0x208000");
151MODULE_PARM_DESC(reset_crop, "reset cropping parameters at open(), default "
152 "is 1 (yes) for compatibility with older applications");
153MODULE_PARM_DESC(automute, "mute audio on bad/missing video signal, default is 1 (yes)");
154MODULE_PARM_DESC(chroma_agc, "enables the AGC of chroma signal, default is 0 (no)");
155MODULE_PARM_DESC(agc_crush, "enables the luminance AGC crush, default is 1 (yes)");
156MODULE_PARM_DESC(whitecrush_upper, "sets the white crush upper value, default is 207");
157MODULE_PARM_DESC(whitecrush_lower, "sets the white crush lower value, default is 127");
158MODULE_PARM_DESC(vcr_hack, "enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)");
159MODULE_PARM_DESC(irq_iswitch, "switch inputs in irq handler");
160MODULE_PARM_DESC(uv_ratio, "ratio between u and v gains, default is 50");
161MODULE_PARM_DESC(full_luma_range, "use the full luma range, default is 0 (no)");
162MODULE_PARM_DESC(coring, "set the luma coring level, default is 0 (no)");
163MODULE_PARM_DESC(video_nr, "video device numbers");
164MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
165MODULE_PARM_DESC(radio_nr, "radio device numbers");
166
167MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards");
168MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr");
169MODULE_LICENSE("GPL");
170MODULE_VERSION(BTTV_VERSION);
171
172#define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_USER_BTTV_BASE + 0)
173#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_USER_BTTV_BASE + 1)
174#define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_USER_BTTV_BASE + 2)
175#define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_USER_BTTV_BASE + 3)
176#define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_USER_BTTV_BASE + 4)
177#define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_USER_BTTV_BASE + 5)
178#define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_USER_BTTV_BASE + 6)
179#define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_USER_BTTV_BASE + 7)
180#define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_USER_BTTV_BASE + 8)
181#define V4L2_CID_PRIVATE_CORING (V4L2_CID_USER_BTTV_BASE + 9)
182
183
184
185
186static ssize_t show_card(struct device *cd,
187 struct device_attribute *attr, char *buf)
188{
189 struct video_device *vfd = container_of(cd, struct video_device, dev);
190 struct bttv *btv = video_get_drvdata(vfd);
191 return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET);
192}
193static DEVICE_ATTR(card, S_IRUGO, show_card, NULL);
194
195
196
197#if defined(CONFIG_MODULES) && defined(MODULE)
198static void request_module_async(struct work_struct *work)
199{
200 request_module("dvb-bt8xx");
201}
202
203static void request_modules(struct bttv *dev)
204{
205 INIT_WORK(&dev->request_module_wk, request_module_async);
206 schedule_work(&dev->request_module_wk);
207}
208
209static void flush_request_modules(struct bttv *dev)
210{
211 flush_work(&dev->request_module_wk);
212}
213#else
214#define request_modules(dev)
215#define flush_request_modules(dev) do {} while(0)
216#endif
217
218
219
220
221
222
223static u8 SRAM_Table[][60] =
224{
225
226 {
227 45,
228 0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16,
229 0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00,
230 0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00,
231 0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37,
232 0x37,0x00,0xAF,0x21,0x00
233 },
234
235 {
236 51,
237 0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06,
238 0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00,
239 0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07,
240 0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6,
241 0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21,
242 0x00,
243 },
244
245
246 {
247 0x2A,
248 0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24,
249 0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10,
250 0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00,
251 0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3,
252 0x20, 0x00
253 }
254};
255
256
257
258
259
260
261
262
263
264
265
266
267
268#define CROPCAP(minhdelayx1, hdelayx1, swidth, totalwidth, sqwidth, \
269 vdelay, sheight, extraheight, videostart0) \
270 .cropcap.bounds.left = minhdelayx1, \
271 \
272 \
273 .cropcap.bounds.top = (videostart0) * 2 - (vdelay) + MIN_VDELAY, \
274 \
275 .cropcap.bounds.width = (totalwidth) - (minhdelayx1) - 4, \
276 .cropcap.bounds.height = (sheight) + (extraheight) + (vdelay) - \
277 MIN_VDELAY, \
278 .cropcap.defrect.left = hdelayx1, \
279 .cropcap.defrect.top = (videostart0) * 2, \
280 .cropcap.defrect.width = swidth, \
281 .cropcap.defrect.height = sheight, \
282 .cropcap.pixelaspect.numerator = totalwidth, \
283 .cropcap.pixelaspect.denominator = sqwidth,
284
285const struct bttv_tvnorm bttv_tvnorms[] = {
286
287
288
289 {
290 .v4l2_id = V4L2_STD_PAL,
291 .name = "PAL",
292 .Fsc = 35468950,
293 .swidth = 924,
294 .sheight = 576,
295 .totalwidth = 1135,
296 .adelay = 0x7f,
297 .bdelay = 0x72,
298 .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1),
299 .scaledtwidth = 1135,
300 .hdelayx1 = 186,
301 .hactivex1 = 924,
302 .vdelay = 0x20,
303 .vbipack = 255,
304 .sram = 0,
305
306
307
308 .vbistart = { 7, 320 },
309 CROPCAP( 68,
310 186,
311
312
313
314 924,
315 1135,
316 944,
317 0x20,
318 576,
319
320
321 2,
322 23)
323 },{
324 .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR,
325 .name = "NTSC",
326 .Fsc = 28636363,
327 .swidth = 768,
328 .sheight = 480,
329 .totalwidth = 910,
330 .adelay = 0x68,
331 .bdelay = 0x5d,
332 .iform = (BT848_IFORM_NTSC|BT848_IFORM_XT0),
333 .scaledtwidth = 910,
334 .hdelayx1 = 128,
335 .hactivex1 = 910,
336 .vdelay = 0x1a,
337 .vbipack = 144,
338 .sram = 1,
339 .vbistart = { 10, 273 },
340 CROPCAP( 68,
341 128,
342
343 768,
344 910,
345 780,
346 0x1a,
347 480,
348 0,
349 23)
350 },{
351 .v4l2_id = V4L2_STD_SECAM,
352 .name = "SECAM",
353 .Fsc = 35468950,
354 .swidth = 924,
355 .sheight = 576,
356 .totalwidth = 1135,
357 .adelay = 0x7f,
358 .bdelay = 0xb0,
359 .iform = (BT848_IFORM_SECAM|BT848_IFORM_XT1),
360 .scaledtwidth = 1135,
361 .hdelayx1 = 186,
362 .hactivex1 = 922,
363 .vdelay = 0x20,
364 .vbipack = 255,
365 .sram = 0,
366 .vbistart = { 7, 320 },
367 CROPCAP( 68,
368 186,
369 924,
370 1135,
371 944,
372 0x20,
373 576,
374 0,
375 23)
376 },{
377 .v4l2_id = V4L2_STD_PAL_Nc,
378 .name = "PAL-Nc",
379 .Fsc = 28636363,
380 .swidth = 640,
381 .sheight = 576,
382 .totalwidth = 910,
383 .adelay = 0x68,
384 .bdelay = 0x5d,
385 .iform = (BT848_IFORM_PAL_NC|BT848_IFORM_XT0),
386 .scaledtwidth = 780,
387 .hdelayx1 = 130,
388 .hactivex1 = 734,
389 .vdelay = 0x1a,
390 .vbipack = 144,
391 .sram = -1,
392 .vbistart = { 7, 320 },
393 CROPCAP( 68,
394 130,
395 (640 * 910 + 780 / 2) / 780,
396 910,
397 780,
398 0x1a,
399 576,
400 0,
401 23)
402 },{
403 .v4l2_id = V4L2_STD_PAL_M,
404 .name = "PAL-M",
405 .Fsc = 28636363,
406 .swidth = 640,
407 .sheight = 480,
408 .totalwidth = 910,
409 .adelay = 0x68,
410 .bdelay = 0x5d,
411 .iform = (BT848_IFORM_PAL_M|BT848_IFORM_XT0),
412 .scaledtwidth = 780,
413 .hdelayx1 = 135,
414 .hactivex1 = 754,
415 .vdelay = 0x1a,
416 .vbipack = 144,
417 .sram = -1,
418 .vbistart = { 10, 273 },
419 CROPCAP( 68,
420 135,
421 (640 * 910 + 780 / 2) / 780,
422 910,
423 780,
424 0x1a,
425 480,
426 0,
427 23)
428 },{
429 .v4l2_id = V4L2_STD_PAL_N,
430 .name = "PAL-N",
431 .Fsc = 35468950,
432 .swidth = 768,
433 .sheight = 576,
434 .totalwidth = 1135,
435 .adelay = 0x7f,
436 .bdelay = 0x72,
437 .iform = (BT848_IFORM_PAL_N|BT848_IFORM_XT1),
438 .scaledtwidth = 944,
439 .hdelayx1 = 186,
440 .hactivex1 = 922,
441 .vdelay = 0x20,
442 .vbipack = 144,
443 .sram = -1,
444 .vbistart = { 7, 320 },
445 CROPCAP( 68,
446 186,
447 (768 * 1135 + 944 / 2) / 944,
448 1135,
449 944,
450 0x20,
451 576,
452 0,
453 23)
454 },{
455 .v4l2_id = V4L2_STD_NTSC_M_JP,
456 .name = "NTSC-JP",
457 .Fsc = 28636363,
458 .swidth = 640,
459 .sheight = 480,
460 .totalwidth = 910,
461 .adelay = 0x68,
462 .bdelay = 0x5d,
463 .iform = (BT848_IFORM_NTSC_J|BT848_IFORM_XT0),
464 .scaledtwidth = 780,
465 .hdelayx1 = 135,
466 .hactivex1 = 754,
467 .vdelay = 0x16,
468 .vbipack = 144,
469 .sram = -1,
470 .vbistart = { 10, 273 },
471 CROPCAP( 68,
472 135,
473 (640 * 910 + 780 / 2) / 780,
474 910,
475 780,
476 0x16,
477 480,
478 0,
479 23)
480 },{
481
482
483
484 .v4l2_id = V4L2_STD_PAL_60,
485 .name = "PAL-60",
486 .Fsc = 35468950,
487 .swidth = 924,
488 .sheight = 480,
489 .totalwidth = 1135,
490 .adelay = 0x7f,
491 .bdelay = 0x72,
492 .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1),
493 .scaledtwidth = 1135,
494 .hdelayx1 = 186,
495 .hactivex1 = 924,
496 .vdelay = 0x1a,
497 .vbipack = 255,
498 .vtotal = 524,
499 .sram = -1,
500 .vbistart = { 10, 273 },
501 CROPCAP( 68,
502 186,
503 924,
504 1135,
505 944,
506 0x1a,
507 480,
508 0,
509 23)
510 }
511};
512static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms);
513
514
515
516
517static const struct bttv_format formats[] = {
518 {
519 .name = "8 bpp, gray",
520 .fourcc = V4L2_PIX_FMT_GREY,
521 .btformat = BT848_COLOR_FMT_Y8,
522 .depth = 8,
523 .flags = FORMAT_FLAGS_PACKED,
524 },{
525 .name = "8 bpp, dithered color",
526 .fourcc = V4L2_PIX_FMT_HI240,
527 .btformat = BT848_COLOR_FMT_RGB8,
528 .depth = 8,
529 .flags = FORMAT_FLAGS_PACKED | FORMAT_FLAGS_DITHER,
530 },{
531 .name = "15 bpp RGB, le",
532 .fourcc = V4L2_PIX_FMT_RGB555,
533 .btformat = BT848_COLOR_FMT_RGB15,
534 .depth = 16,
535 .flags = FORMAT_FLAGS_PACKED,
536 },{
537 .name = "15 bpp RGB, be",
538 .fourcc = V4L2_PIX_FMT_RGB555X,
539 .btformat = BT848_COLOR_FMT_RGB15,
540 .btswap = 0x03,
541 .depth = 16,
542 .flags = FORMAT_FLAGS_PACKED,
543 },{
544 .name = "16 bpp RGB, le",
545 .fourcc = V4L2_PIX_FMT_RGB565,
546 .btformat = BT848_COLOR_FMT_RGB16,
547 .depth = 16,
548 .flags = FORMAT_FLAGS_PACKED,
549 },{
550 .name = "16 bpp RGB, be",
551 .fourcc = V4L2_PIX_FMT_RGB565X,
552 .btformat = BT848_COLOR_FMT_RGB16,
553 .btswap = 0x03,
554 .depth = 16,
555 .flags = FORMAT_FLAGS_PACKED,
556 },{
557 .name = "24 bpp RGB, le",
558 .fourcc = V4L2_PIX_FMT_BGR24,
559 .btformat = BT848_COLOR_FMT_RGB24,
560 .depth = 24,
561 .flags = FORMAT_FLAGS_PACKED,
562 },{
563 .name = "32 bpp RGB, le",
564 .fourcc = V4L2_PIX_FMT_BGR32,
565 .btformat = BT848_COLOR_FMT_RGB32,
566 .depth = 32,
567 .flags = FORMAT_FLAGS_PACKED,
568 },{
569 .name = "32 bpp RGB, be",
570 .fourcc = V4L2_PIX_FMT_RGB32,
571 .btformat = BT848_COLOR_FMT_RGB32,
572 .btswap = 0x0f,
573 .depth = 32,
574 .flags = FORMAT_FLAGS_PACKED,
575 },{
576 .name = "4:2:2, packed, YUYV",
577 .fourcc = V4L2_PIX_FMT_YUYV,
578 .btformat = BT848_COLOR_FMT_YUY2,
579 .depth = 16,
580 .flags = FORMAT_FLAGS_PACKED,
581 },{
582 .name = "4:2:2, packed, UYVY",
583 .fourcc = V4L2_PIX_FMT_UYVY,
584 .btformat = BT848_COLOR_FMT_YUY2,
585 .btswap = 0x03,
586 .depth = 16,
587 .flags = FORMAT_FLAGS_PACKED,
588 },{
589 .name = "4:2:2, planar, Y-Cb-Cr",
590 .fourcc = V4L2_PIX_FMT_YUV422P,
591 .btformat = BT848_COLOR_FMT_YCrCb422,
592 .depth = 16,
593 .flags = FORMAT_FLAGS_PLANAR,
594 .hshift = 1,
595 .vshift = 0,
596 },{
597 .name = "4:2:0, planar, Y-Cb-Cr",
598 .fourcc = V4L2_PIX_FMT_YUV420,
599 .btformat = BT848_COLOR_FMT_YCrCb422,
600 .depth = 12,
601 .flags = FORMAT_FLAGS_PLANAR,
602 .hshift = 1,
603 .vshift = 1,
604 },{
605 .name = "4:2:0, planar, Y-Cr-Cb",
606 .fourcc = V4L2_PIX_FMT_YVU420,
607 .btformat = BT848_COLOR_FMT_YCrCb422,
608 .depth = 12,
609 .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb,
610 .hshift = 1,
611 .vshift = 1,
612 },{
613 .name = "4:1:1, planar, Y-Cb-Cr",
614 .fourcc = V4L2_PIX_FMT_YUV411P,
615 .btformat = BT848_COLOR_FMT_YCrCb411,
616 .depth = 12,
617 .flags = FORMAT_FLAGS_PLANAR,
618 .hshift = 2,
619 .vshift = 0,
620 },{
621 .name = "4:1:0, planar, Y-Cb-Cr",
622 .fourcc = V4L2_PIX_FMT_YUV410,
623 .btformat = BT848_COLOR_FMT_YCrCb411,
624 .depth = 9,
625 .flags = FORMAT_FLAGS_PLANAR,
626 .hshift = 2,
627 .vshift = 2,
628 },{
629 .name = "4:1:0, planar, Y-Cr-Cb",
630 .fourcc = V4L2_PIX_FMT_YVU410,
631 .btformat = BT848_COLOR_FMT_YCrCb411,
632 .depth = 9,
633 .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb,
634 .hshift = 2,
635 .vshift = 2,
636 },{
637 .name = "raw scanlines",
638 .fourcc = -1,
639 .btformat = BT848_COLOR_FMT_RAW,
640 .depth = 8,
641 .flags = FORMAT_FLAGS_RAW,
642 }
643};
644static const unsigned int FORMATS = ARRAY_SIZE(formats);
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677#define VBI_RESOURCES (RESOURCE_VBI)
678#define VIDEO_RESOURCES (RESOURCE_VIDEO_READ | \
679 RESOURCE_VIDEO_STREAM | \
680 RESOURCE_OVERLAY)
681
682static
683int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit)
684{
685 int xbits;
686
687 if (fh->resources & bit)
688
689 return 1;
690
691 xbits = bit;
692 if (bit & (RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM))
693 xbits |= RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM;
694
695
696 if (btv->resources & xbits) {
697
698 goto fail;
699 }
700
701 if ((bit & VIDEO_RESOURCES)
702 && 0 == (btv->resources & VIDEO_RESOURCES)) {
703
704 __s32 top = btv->crop[!!fh->do_crop].rect.top;
705
706 if (btv->vbi_end > top)
707 goto fail;
708
709
710
711 btv->crop_start = top;
712 } else if (bit & VBI_RESOURCES) {
713 __s32 end = fh->vbi_fmt.end;
714
715 if (end > btv->crop_start)
716 goto fail;
717
718
719 btv->vbi_end = end;
720 }
721
722
723 fh->resources |= bit;
724 btv->resources |= bit;
725 return 1;
726
727 fail:
728 return 0;
729}
730
731static
732int check_btres(struct bttv_fh *fh, int bit)
733{
734 return (fh->resources & bit);
735}
736
737static
738int locked_btres(struct bttv *btv, int bit)
739{
740 return (btv->resources & bit);
741}
742
743
744static void
745disclaim_vbi_lines(struct bttv *btv)
746{
747 btv->vbi_end = 0;
748}
749
750
751static void
752disclaim_video_lines(struct bttv *btv)
753{
754 const struct bttv_tvnorm *tvnorm;
755 u8 crop;
756
757 tvnorm = &bttv_tvnorms[btv->tvnorm];
758 btv->crop_start = tvnorm->cropcap.bounds.top
759 + tvnorm->cropcap.bounds.height;
760
761
762
763
764
765 crop = btread(BT848_E_CROP) | 0xc0;
766 btwrite(crop, BT848_E_CROP);
767 btwrite(0xfe, BT848_E_VDELAY_LO);
768 btwrite(crop, BT848_O_CROP);
769 btwrite(0xfe, BT848_O_VDELAY_LO);
770}
771
772static
773void free_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bits)
774{
775 if ((fh->resources & bits) != bits) {
776
777 pr_err("BUG! (btres)\n");
778 }
779 fh->resources &= ~bits;
780 btv->resources &= ~bits;
781
782 bits = btv->resources;
783
784 if (0 == (bits & VIDEO_RESOURCES))
785 disclaim_video_lines(btv);
786
787 if (0 == (bits & VBI_RESOURCES))
788 disclaim_vbi_lines(btv);
789}
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout)
805{
806 unsigned char fl, fh, fi;
807
808
809 fin/=4;
810 fout/=4;
811
812 fout*=12;
813 fi=fout/fin;
814
815 fout=(fout%fin)*256;
816 fh=fout/fin;
817
818 fout=(fout%fin)*256;
819 fl=fout/fin;
820
821 btwrite(fl, BT848_PLL_F_LO);
822 btwrite(fh, BT848_PLL_F_HI);
823 btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
824}
825
826static void set_pll(struct bttv *btv)
827{
828 int i;
829
830 if (!btv->pll.pll_crystal)
831 return;
832
833 if (btv->pll.pll_ofreq == btv->pll.pll_current) {
834 dprintk("%d: PLL: no change required\n", btv->c.nr);
835 return;
836 }
837
838 if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
839
840 if (btv->pll.pll_current == 0)
841 return;
842 if (bttv_verbose)
843 pr_info("%d: PLL can sleep, using XTAL (%d)\n",
844 btv->c.nr, btv->pll.pll_ifreq);
845 btwrite(0x00,BT848_TGCTRL);
846 btwrite(0x00,BT848_PLL_XCI);
847 btv->pll.pll_current = 0;
848 return;
849 }
850
851 if (bttv_verbose)
852 pr_info("%d: Setting PLL: %d => %d (needs up to 100ms)\n",
853 btv->c.nr,
854 btv->pll.pll_ifreq, btv->pll.pll_ofreq);
855 set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq);
856
857 for (i=0; i<10; i++) {
858
859 msleep(10);
860
861 if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
862 btwrite(0,BT848_DSTATUS);
863 } else {
864 btwrite(0x08,BT848_TGCTRL);
865 btv->pll.pll_current = btv->pll.pll_ofreq;
866 if (bttv_verbose)
867 pr_info("PLL set ok\n");
868 return;
869 }
870 }
871 btv->pll.pll_current = -1;
872 if (bttv_verbose)
873 pr_info("Setting PLL failed\n");
874 return;
875}
876
877
878static void bt848A_set_timing(struct bttv *btv)
879{
880 int i, len;
881 int table_idx = bttv_tvnorms[btv->tvnorm].sram;
882 int fsc = bttv_tvnorms[btv->tvnorm].Fsc;
883
884 if (btv->input == btv->dig) {
885 dprintk("%d: load digital timing table (table_idx=%d)\n",
886 btv->c.nr,table_idx);
887
888
889 btwrite(0x00, BT848_TGCTRL);
890 btwrite(0x02, BT848_TGCTRL);
891 btwrite(0x00, BT848_TGCTRL);
892
893 len=SRAM_Table[table_idx][0];
894 for(i = 1; i <= len; i++)
895 btwrite(SRAM_Table[table_idx][i],BT848_TGLB);
896 btv->pll.pll_ofreq = 27000000;
897
898 set_pll(btv);
899 btwrite(0x11, BT848_TGCTRL);
900 btwrite(0x41, BT848_DVSIF);
901 } else {
902 btv->pll.pll_ofreq = fsc;
903 set_pll(btv);
904 btwrite(0x0, BT848_DVSIF);
905 }
906}
907
908
909
910static void bt848_bright(struct bttv *btv, int bright)
911{
912 int value;
913
914
915 btv->bright = bright;
916
917
918 value = (bright >> 8) - 128;
919 btwrite(value & 0xff, BT848_BRIGHT);
920}
921
922static void bt848_hue(struct bttv *btv, int hue)
923{
924 int value;
925
926 btv->hue = hue;
927
928
929 value = (hue >> 8) - 128;
930 btwrite(value & 0xff, BT848_HUE);
931}
932
933static void bt848_contrast(struct bttv *btv, int cont)
934{
935 int value,hibit;
936
937 btv->contrast = cont;
938
939
940 value = (cont >> 7);
941 hibit = (value >> 6) & 4;
942 btwrite(value & 0xff, BT848_CONTRAST_LO);
943 btaor(hibit, ~4, BT848_E_CONTROL);
944 btaor(hibit, ~4, BT848_O_CONTROL);
945}
946
947static void bt848_sat(struct bttv *btv, int color)
948{
949 int val_u,val_v,hibits;
950
951 btv->saturation = color;
952
953
954 val_u = ((color * btv->opt_uv_ratio) / 50) >> 7;
955 val_v = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254;
956 hibits = (val_u >> 7) & 2;
957 hibits |= (val_v >> 8) & 1;
958 btwrite(val_u & 0xff, BT848_SAT_U_LO);
959 btwrite(val_v & 0xff, BT848_SAT_V_LO);
960 btaor(hibits, ~3, BT848_E_CONTROL);
961 btaor(hibits, ~3, BT848_O_CONTROL);
962}
963
964
965
966static int
967video_mux(struct bttv *btv, unsigned int input)
968{
969 int mux,mask2;
970
971 if (input >= bttv_tvcards[btv->c.type].video_inputs)
972 return -EINVAL;
973
974
975 mask2 = bttv_tvcards[btv->c.type].gpiomask2;
976 if (mask2)
977 gpio_inout(mask2,mask2);
978
979 if (input == btv->svhs) {
980 btor(BT848_CONTROL_COMP, BT848_E_CONTROL);
981 btor(BT848_CONTROL_COMP, BT848_O_CONTROL);
982 } else {
983 btand(~BT848_CONTROL_COMP, BT848_E_CONTROL);
984 btand(~BT848_CONTROL_COMP, BT848_O_CONTROL);
985 }
986 mux = bttv_muxsel(btv, input);
987 btaor(mux<<5, ~(3<<5), BT848_IFORM);
988 dprintk("%d: video mux: input=%d mux=%d\n", btv->c.nr, input, mux);
989
990
991 if(bttv_tvcards[btv->c.type].muxsel_hook)
992 bttv_tvcards[btv->c.type].muxsel_hook (btv, input);
993 return 0;
994}
995
996static char *audio_modes[] = {
997 "audio: tuner", "audio: radio", "audio: extern",
998 "audio: intern", "audio: mute"
999};
1000
1001static void
1002audio_mux_gpio(struct bttv *btv, int input, int mute)
1003{
1004 int gpio_val, signal, mute_gpio;
1005
1006 gpio_inout(bttv_tvcards[btv->c.type].gpiomask,
1007 bttv_tvcards[btv->c.type].gpiomask);
1008 signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC;
1009
1010
1011 mute_gpio = mute || (btv->opt_automute && (!signal || !btv->users)
1012 && !btv->has_radio_tuner);
1013
1014 if (mute_gpio)
1015 gpio_val = bttv_tvcards[btv->c.type].gpiomute;
1016 else
1017 gpio_val = bttv_tvcards[btv->c.type].gpiomux[input];
1018
1019 switch (btv->c.type) {
1020 case BTTV_BOARD_VOODOOTV_FM:
1021 case BTTV_BOARD_VOODOOTV_200:
1022 gpio_val = bttv_tda9880_setnorm(btv, gpio_val);
1023 break;
1024
1025 default:
1026 gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val);
1027 }
1028
1029 if (bttv_gpio)
1030 bttv_gpio_tracking(btv, audio_modes[mute_gpio ? 4 : input]);
1031}
1032
1033static int
1034audio_mute(struct bttv *btv, int mute)
1035{
1036 struct v4l2_ctrl *ctrl;
1037
1038 audio_mux_gpio(btv, btv->audio_input, mute);
1039
1040 if (btv->sd_msp34xx) {
1041 ctrl = v4l2_ctrl_find(btv->sd_msp34xx->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1042 if (ctrl)
1043 v4l2_ctrl_s_ctrl(ctrl, mute);
1044 }
1045 if (btv->sd_tvaudio) {
1046 ctrl = v4l2_ctrl_find(btv->sd_tvaudio->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1047 if (ctrl)
1048 v4l2_ctrl_s_ctrl(ctrl, mute);
1049 }
1050 if (btv->sd_tda7432) {
1051 ctrl = v4l2_ctrl_find(btv->sd_tda7432->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1052 if (ctrl)
1053 v4l2_ctrl_s_ctrl(ctrl, mute);
1054 }
1055 return 0;
1056}
1057
1058static int
1059audio_input(struct bttv *btv, int input)
1060{
1061 audio_mux_gpio(btv, input, btv->mute);
1062
1063 if (btv->sd_msp34xx) {
1064 u32 in;
1065
1066
1067
1068
1069
1070
1071 switch (input) {
1072 case TVAUDIO_INPUT_RADIO:
1073
1074 if (btv->radio_uses_msp_demodulator) {
1075 in = MSP_INPUT_DEFAULT;
1076 break;
1077 }
1078 in = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
1079 MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
1080 break;
1081 case TVAUDIO_INPUT_EXTERN:
1082 in = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
1083 MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
1084 break;
1085 case TVAUDIO_INPUT_INTERN:
1086
1087
1088
1089
1090
1091 in = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
1092 MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
1093 break;
1094 case TVAUDIO_INPUT_TUNER:
1095 default:
1096
1097
1098
1099 if (btv->c.type == BTTV_BOARD_VOODOOTV_200)
1100 in = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER2, \
1101 MSP_DSP_IN_TUNER, MSP_DSP_IN_TUNER);
1102 else
1103 in = MSP_INPUT_DEFAULT;
1104 break;
1105 }
1106 v4l2_subdev_call(btv->sd_msp34xx, audio, s_routing,
1107 in, MSP_OUTPUT_DEFAULT, 0);
1108 }
1109 if (btv->sd_tvaudio) {
1110 v4l2_subdev_call(btv->sd_tvaudio, audio, s_routing,
1111 input, 0, 0);
1112 }
1113 return 0;
1114}
1115
1116static void
1117bttv_crop_calc_limits(struct bttv_crop *c)
1118{
1119
1120
1121
1122 if (1) {
1123
1124
1125 c->min_scaled_width = 48;
1126 c->min_scaled_height = 32;
1127 } else {
1128 c->min_scaled_width =
1129 (max_t(unsigned int, 48, c->rect.width >> 4) + 3) & ~3;
1130 c->min_scaled_height =
1131 max_t(unsigned int, 32, c->rect.height >> 4);
1132 }
1133
1134 c->max_scaled_width = c->rect.width & ~3;
1135 c->max_scaled_height = c->rect.height;
1136}
1137
1138static void
1139bttv_crop_reset(struct bttv_crop *c, unsigned int norm)
1140{
1141 c->rect = bttv_tvnorms[norm].cropcap.defrect;
1142 bttv_crop_calc_limits(c);
1143}
1144
1145
1146static int
1147set_tvnorm(struct bttv *btv, unsigned int norm)
1148{
1149 const struct bttv_tvnorm *tvnorm;
1150 v4l2_std_id id;
1151
1152 BUG_ON(norm >= BTTV_TVNORMS);
1153 BUG_ON(btv->tvnorm >= BTTV_TVNORMS);
1154
1155 tvnorm = &bttv_tvnorms[norm];
1156
1157 if (memcmp(&bttv_tvnorms[btv->tvnorm].cropcap, &tvnorm->cropcap,
1158 sizeof (tvnorm->cropcap))) {
1159 bttv_crop_reset(&btv->crop[0], norm);
1160 btv->crop[1] = btv->crop[0];
1161
1162 if (0 == (btv->resources & VIDEO_RESOURCES)) {
1163 btv->crop_start = tvnorm->cropcap.bounds.top
1164 + tvnorm->cropcap.bounds.height;
1165 }
1166 }
1167
1168 btv->tvnorm = norm;
1169
1170 btwrite(tvnorm->adelay, BT848_ADELAY);
1171 btwrite(tvnorm->bdelay, BT848_BDELAY);
1172 btaor(tvnorm->iform,~(BT848_IFORM_NORM|BT848_IFORM_XTBOTH),
1173 BT848_IFORM);
1174 btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE);
1175 btwrite(1, BT848_VBI_PACK_DEL);
1176 bt848A_set_timing(btv);
1177
1178 switch (btv->c.type) {
1179 case BTTV_BOARD_VOODOOTV_FM:
1180 case BTTV_BOARD_VOODOOTV_200:
1181 bttv_tda9880_setnorm(btv, gpio_read());
1182 break;
1183 }
1184 id = tvnorm->v4l2_id;
1185 bttv_call_all(btv, video, s_std, id);
1186
1187 return 0;
1188}
1189
1190
1191static void
1192set_input(struct bttv *btv, unsigned int input, unsigned int norm)
1193{
1194 unsigned long flags;
1195
1196 btv->input = input;
1197 if (irq_iswitch) {
1198 spin_lock_irqsave(&btv->s_lock,flags);
1199 if (btv->curr.frame_irq) {
1200
1201 btv->new_input = input;
1202 } else {
1203 video_mux(btv,input);
1204 }
1205 spin_unlock_irqrestore(&btv->s_lock,flags);
1206 } else {
1207 video_mux(btv,input);
1208 }
1209 btv->audio_input = (btv->tuner_type != TUNER_ABSENT && input == 0) ?
1210 TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN;
1211 audio_input(btv, btv->audio_input);
1212 set_tvnorm(btv, norm);
1213}
1214
1215static void init_irqreg(struct bttv *btv)
1216{
1217
1218 btwrite(0xfffffUL, BT848_INT_STAT);
1219
1220 if (bttv_tvcards[btv->c.type].no_video) {
1221
1222 btwrite(BT848_INT_I2CDONE,
1223 BT848_INT_MASK);
1224 } else {
1225
1226 btwrite((btv->triton1) |
1227 (btv->gpioirq ? BT848_INT_GPINT : 0) |
1228 BT848_INT_SCERR |
1229 (fdsr ? BT848_INT_FDSR : 0) |
1230 BT848_INT_RISCI | BT848_INT_OCERR |
1231 BT848_INT_FMTCHG|BT848_INT_HLOCK|
1232 BT848_INT_I2CDONE,
1233 BT848_INT_MASK);
1234 }
1235}
1236
1237static void init_bt848(struct bttv *btv)
1238{
1239 if (bttv_tvcards[btv->c.type].no_video) {
1240
1241 init_irqreg(btv);
1242 return;
1243 }
1244
1245 btwrite(0x00, BT848_CAP_CTL);
1246 btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL);
1247 btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM);
1248
1249
1250
1251 btwrite(BT848_GPIO_DMA_CTL_PKTP_32|
1252 BT848_GPIO_DMA_CTL_PLTP1_16|
1253 BT848_GPIO_DMA_CTL_PLTP23_16|
1254 BT848_GPIO_DMA_CTL_GPINTC|
1255 BT848_GPIO_DMA_CTL_GPINTI,
1256 BT848_GPIO_DMA_CTL);
1257
1258 btwrite(0x20, BT848_E_VSCALE_HI);
1259 btwrite(0x20, BT848_O_VSCALE_HI);
1260
1261 v4l2_ctrl_handler_setup(&btv->ctrl_handler);
1262
1263
1264 init_irqreg(btv);
1265}
1266
1267static void bttv_reinit_bt848(struct bttv *btv)
1268{
1269 unsigned long flags;
1270
1271 if (bttv_verbose)
1272 pr_info("%d: reset, reinitialize\n", btv->c.nr);
1273 spin_lock_irqsave(&btv->s_lock,flags);
1274 btv->errors=0;
1275 bttv_set_dma(btv,0);
1276 spin_unlock_irqrestore(&btv->s_lock,flags);
1277
1278 init_bt848(btv);
1279 btv->pll.pll_current = -1;
1280 set_input(btv, btv->input, btv->tvnorm);
1281}
1282
1283static int bttv_s_ctrl(struct v4l2_ctrl *c)
1284{
1285 struct bttv *btv = container_of(c->handler, struct bttv, ctrl_handler);
1286 int val;
1287
1288 switch (c->id) {
1289 case V4L2_CID_BRIGHTNESS:
1290 bt848_bright(btv, c->val);
1291 break;
1292 case V4L2_CID_HUE:
1293 bt848_hue(btv, c->val);
1294 break;
1295 case V4L2_CID_CONTRAST:
1296 bt848_contrast(btv, c->val);
1297 break;
1298 case V4L2_CID_SATURATION:
1299 bt848_sat(btv, c->val);
1300 break;
1301 case V4L2_CID_COLOR_KILLER:
1302 if (c->val) {
1303 btor(BT848_SCLOOP_CKILL, BT848_E_SCLOOP);
1304 btor(BT848_SCLOOP_CKILL, BT848_O_SCLOOP);
1305 } else {
1306 btand(~BT848_SCLOOP_CKILL, BT848_E_SCLOOP);
1307 btand(~BT848_SCLOOP_CKILL, BT848_O_SCLOOP);
1308 }
1309 break;
1310 case V4L2_CID_AUDIO_MUTE:
1311 audio_mute(btv, c->val);
1312 btv->mute = c->val;
1313 break;
1314 case V4L2_CID_AUDIO_VOLUME:
1315 btv->volume_gpio(btv, c->val);
1316 break;
1317
1318 case V4L2_CID_CHROMA_AGC:
1319 val = c->val ? BT848_SCLOOP_CAGC : 0;
1320 btwrite(val, BT848_E_SCLOOP);
1321 btwrite(val, BT848_O_SCLOOP);
1322 break;
1323 case V4L2_CID_PRIVATE_COMBFILTER:
1324 btv->opt_combfilter = c->val;
1325 break;
1326 case V4L2_CID_PRIVATE_LUMAFILTER:
1327 if (c->val) {
1328 btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL);
1329 btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL);
1330 } else {
1331 btor(BT848_CONTROL_LDEC, BT848_E_CONTROL);
1332 btor(BT848_CONTROL_LDEC, BT848_O_CONTROL);
1333 }
1334 break;
1335 case V4L2_CID_PRIVATE_AUTOMUTE:
1336 btv->opt_automute = c->val;
1337 break;
1338 case V4L2_CID_PRIVATE_AGC_CRUSH:
1339 btwrite(BT848_ADC_RESERVED |
1340 (c->val ? BT848_ADC_CRUSH : 0),
1341 BT848_ADC);
1342 break;
1343 case V4L2_CID_PRIVATE_VCR_HACK:
1344 btv->opt_vcr_hack = c->val;
1345 break;
1346 case V4L2_CID_PRIVATE_WHITECRUSH_UPPER:
1347 btwrite(c->val, BT848_WC_UP);
1348 break;
1349 case V4L2_CID_PRIVATE_WHITECRUSH_LOWER:
1350 btwrite(c->val, BT848_WC_DOWN);
1351 break;
1352 case V4L2_CID_PRIVATE_UV_RATIO:
1353 btv->opt_uv_ratio = c->val;
1354 bt848_sat(btv, btv->saturation);
1355 break;
1356 case V4L2_CID_PRIVATE_FULL_LUMA_RANGE:
1357 btaor((c->val << 7), ~BT848_OFORM_RANGE, BT848_OFORM);
1358 break;
1359 case V4L2_CID_PRIVATE_CORING:
1360 btaor((c->val << 5), ~BT848_OFORM_CORE32, BT848_OFORM);
1361 break;
1362 default:
1363 return -EINVAL;
1364 }
1365 return 0;
1366}
1367
1368
1369
1370static const struct v4l2_ctrl_ops bttv_ctrl_ops = {
1371 .s_ctrl = bttv_s_ctrl,
1372};
1373
1374static struct v4l2_ctrl_config bttv_ctrl_combfilter = {
1375 .ops = &bttv_ctrl_ops,
1376 .id = V4L2_CID_PRIVATE_COMBFILTER,
1377 .name = "Comb Filter",
1378 .type = V4L2_CTRL_TYPE_BOOLEAN,
1379 .min = 0,
1380 .max = 1,
1381 .step = 1,
1382 .def = 1,
1383};
1384
1385static struct v4l2_ctrl_config bttv_ctrl_automute = {
1386 .ops = &bttv_ctrl_ops,
1387 .id = V4L2_CID_PRIVATE_AUTOMUTE,
1388 .name = "Auto Mute",
1389 .type = V4L2_CTRL_TYPE_BOOLEAN,
1390 .min = 0,
1391 .max = 1,
1392 .step = 1,
1393 .def = 1,
1394};
1395
1396static struct v4l2_ctrl_config bttv_ctrl_lumafilter = {
1397 .ops = &bttv_ctrl_ops,
1398 .id = V4L2_CID_PRIVATE_LUMAFILTER,
1399 .name = "Luma Decimation Filter",
1400 .type = V4L2_CTRL_TYPE_BOOLEAN,
1401 .min = 0,
1402 .max = 1,
1403 .step = 1,
1404 .def = 1,
1405};
1406
1407static struct v4l2_ctrl_config bttv_ctrl_agc_crush = {
1408 .ops = &bttv_ctrl_ops,
1409 .id = V4L2_CID_PRIVATE_AGC_CRUSH,
1410 .name = "AGC Crush",
1411 .type = V4L2_CTRL_TYPE_BOOLEAN,
1412 .min = 0,
1413 .max = 1,
1414 .step = 1,
1415 .def = 1,
1416};
1417
1418static struct v4l2_ctrl_config bttv_ctrl_vcr_hack = {
1419 .ops = &bttv_ctrl_ops,
1420 .id = V4L2_CID_PRIVATE_VCR_HACK,
1421 .name = "VCR Hack",
1422 .type = V4L2_CTRL_TYPE_BOOLEAN,
1423 .min = 0,
1424 .max = 1,
1425 .step = 1,
1426 .def = 1,
1427};
1428
1429static struct v4l2_ctrl_config bttv_ctrl_whitecrush_lower = {
1430 .ops = &bttv_ctrl_ops,
1431 .id = V4L2_CID_PRIVATE_WHITECRUSH_LOWER,
1432 .name = "Whitecrush Lower",
1433 .type = V4L2_CTRL_TYPE_INTEGER,
1434 .min = 0,
1435 .max = 255,
1436 .step = 1,
1437 .def = 0x7f,
1438};
1439
1440static struct v4l2_ctrl_config bttv_ctrl_whitecrush_upper = {
1441 .ops = &bttv_ctrl_ops,
1442 .id = V4L2_CID_PRIVATE_WHITECRUSH_UPPER,
1443 .name = "Whitecrush Upper",
1444 .type = V4L2_CTRL_TYPE_INTEGER,
1445 .min = 0,
1446 .max = 255,
1447 .step = 1,
1448 .def = 0xcf,
1449};
1450
1451static struct v4l2_ctrl_config bttv_ctrl_uv_ratio = {
1452 .ops = &bttv_ctrl_ops,
1453 .id = V4L2_CID_PRIVATE_UV_RATIO,
1454 .name = "UV Ratio",
1455 .type = V4L2_CTRL_TYPE_INTEGER,
1456 .min = 0,
1457 .max = 100,
1458 .step = 1,
1459 .def = 50,
1460};
1461
1462static struct v4l2_ctrl_config bttv_ctrl_full_luma = {
1463 .ops = &bttv_ctrl_ops,
1464 .id = V4L2_CID_PRIVATE_FULL_LUMA_RANGE,
1465 .name = "Full Luma Range",
1466 .type = V4L2_CTRL_TYPE_BOOLEAN,
1467 .min = 0,
1468 .max = 1,
1469 .step = 1,
1470};
1471
1472static struct v4l2_ctrl_config bttv_ctrl_coring = {
1473 .ops = &bttv_ctrl_ops,
1474 .id = V4L2_CID_PRIVATE_CORING,
1475 .name = "Coring",
1476 .type = V4L2_CTRL_TYPE_INTEGER,
1477 .min = 0,
1478 .max = 3,
1479 .step = 1,
1480};
1481
1482
1483
1484
1485void bttv_gpio_tracking(struct bttv *btv, char *comment)
1486{
1487 unsigned int outbits, data;
1488 outbits = btread(BT848_GPIO_OUT_EN);
1489 data = btread(BT848_GPIO_DATA);
1490 pr_debug("%d: gpio: en=%08x, out=%08x in=%08x [%s]\n",
1491 btv->c.nr, outbits, data & outbits, data & ~outbits, comment);
1492}
1493
1494static void bttv_field_count(struct bttv *btv)
1495{
1496 int need_count = 0;
1497
1498 if (btv->users)
1499 need_count++;
1500
1501 if (need_count) {
1502
1503 btor(BT848_INT_VSYNC,BT848_INT_MASK);
1504 } else {
1505
1506 btand(~BT848_INT_VSYNC,BT848_INT_MASK);
1507 btv->field_count = 0;
1508 }
1509}
1510
1511static const struct bttv_format*
1512format_by_fourcc(int fourcc)
1513{
1514 unsigned int i;
1515
1516 for (i = 0; i < FORMATS; i++) {
1517 if (-1 == formats[i].fourcc)
1518 continue;
1519 if (formats[i].fourcc == fourcc)
1520 return formats+i;
1521 }
1522 return NULL;
1523}
1524
1525
1526
1527
1528static int
1529bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh,
1530 struct bttv_buffer *new)
1531{
1532 struct bttv_buffer *old;
1533 unsigned long flags;
1534
1535 dprintk("switch_overlay: enter [new=%p]\n", new);
1536 if (new)
1537 new->vb.state = VIDEOBUF_DONE;
1538 spin_lock_irqsave(&btv->s_lock,flags);
1539 old = btv->screen;
1540 btv->screen = new;
1541 btv->loop_irq |= 1;
1542 bttv_set_dma(btv, 0x03);
1543 spin_unlock_irqrestore(&btv->s_lock,flags);
1544 if (NULL != old) {
1545 dprintk("switch_overlay: old=%p state is %d\n",
1546 old, old->vb.state);
1547 bttv_dma_free(&fh->cap,btv, old);
1548 kfree(old);
1549 }
1550 if (NULL == new)
1551 free_btres_lock(btv,fh,RESOURCE_OVERLAY);
1552 dprintk("switch_overlay: done\n");
1553 return 0;
1554}
1555
1556
1557
1558
1559static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv,
1560 struct bttv_buffer *buf,
1561 const struct bttv_format *fmt,
1562 unsigned int width, unsigned int height,
1563 enum v4l2_field field)
1564{
1565 struct bttv_fh *fh = q->priv_data;
1566 int redo_dma_risc = 0;
1567 struct bttv_crop c;
1568 int norm;
1569 int rc;
1570
1571
1572 if (NULL == fmt)
1573 return -EINVAL;
1574 if (fmt->btformat == BT848_COLOR_FMT_RAW) {
1575 width = RAW_BPL;
1576 height = RAW_LINES*2;
1577 if (width*height > buf->vb.bsize)
1578 return -EINVAL;
1579 buf->vb.size = buf->vb.bsize;
1580
1581
1582
1583
1584 norm = btv->tvnorm;
1585
1586
1587
1588 if (btv->vbi_end > bttv_tvnorms[norm].cropcap.defrect.top) {
1589 return -EINVAL;
1590 }
1591
1592 c.rect = bttv_tvnorms[norm].cropcap.defrect;
1593 } else {
1594 norm = btv->tvnorm;
1595 c = btv->crop[!!fh->do_crop];
1596
1597 if (width < c.min_scaled_width ||
1598 width > c.max_scaled_width ||
1599 height < c.min_scaled_height)
1600 return -EINVAL;
1601
1602 switch (field) {
1603 case V4L2_FIELD_TOP:
1604 case V4L2_FIELD_BOTTOM:
1605 case V4L2_FIELD_ALTERNATE:
1606
1607
1608 if (height * 2 > c.max_scaled_height)
1609 return -EINVAL;
1610 break;
1611
1612 default:
1613 if (height > c.max_scaled_height)
1614 return -EINVAL;
1615 break;
1616 }
1617
1618 buf->vb.size = (width * height * fmt->depth) >> 3;
1619 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
1620 return -EINVAL;
1621 }
1622
1623
1624 if (buf->vb.width != width || buf->vb.height != height ||
1625 buf->vb.field != field ||
1626 buf->tvnorm != norm || buf->fmt != fmt ||
1627 buf->crop.top != c.rect.top ||
1628 buf->crop.left != c.rect.left ||
1629 buf->crop.width != c.rect.width ||
1630 buf->crop.height != c.rect.height) {
1631 buf->vb.width = width;
1632 buf->vb.height = height;
1633 buf->vb.field = field;
1634 buf->tvnorm = norm;
1635 buf->fmt = fmt;
1636 buf->crop = c.rect;
1637 redo_dma_risc = 1;
1638 }
1639
1640
1641 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1642 redo_dma_risc = 1;
1643 if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf)))
1644 goto fail;
1645 }
1646
1647 if (redo_dma_risc)
1648 if (0 != (rc = bttv_buffer_risc(btv,buf)))
1649 goto fail;
1650
1651 buf->vb.state = VIDEOBUF_PREPARED;
1652 return 0;
1653
1654 fail:
1655 bttv_dma_free(q,btv,buf);
1656 return rc;
1657}
1658
1659static int
1660buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1661{
1662 struct bttv_fh *fh = q->priv_data;
1663
1664 *size = fh->fmt->depth*fh->width*fh->height >> 3;
1665 if (0 == *count)
1666 *count = gbuffers;
1667 if (*size * *count > gbuffers * gbufsize)
1668 *count = (gbuffers * gbufsize) / *size;
1669 return 0;
1670}
1671
1672static int
1673buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
1674 enum v4l2_field field)
1675{
1676 struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
1677 struct bttv_fh *fh = q->priv_data;
1678
1679 return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt,
1680 fh->width, fh->height, field);
1681}
1682
1683static void
1684buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1685{
1686 struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
1687 struct bttv_fh *fh = q->priv_data;
1688 struct bttv *btv = fh->btv;
1689
1690 buf->vb.state = VIDEOBUF_QUEUED;
1691 list_add_tail(&buf->vb.queue,&btv->capture);
1692 if (!btv->curr.frame_irq) {
1693 btv->loop_irq |= 1;
1694 bttv_set_dma(btv, 0x03);
1695 }
1696}
1697
1698static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1699{
1700 struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
1701 struct bttv_fh *fh = q->priv_data;
1702
1703 bttv_dma_free(q,fh->btv,buf);
1704}
1705
1706static struct videobuf_queue_ops bttv_video_qops = {
1707 .buf_setup = buffer_setup,
1708 .buf_prepare = buffer_prepare,
1709 .buf_queue = buffer_queue,
1710 .buf_release = buffer_release,
1711};
1712
1713static void radio_enable(struct bttv *btv)
1714{
1715
1716 if (!btv->has_radio_tuner) {
1717 btv->has_radio_tuner = 1;
1718 bttv_call_all(btv, tuner, s_radio);
1719 btv->audio_input = TVAUDIO_INPUT_RADIO;
1720 audio_input(btv, btv->audio_input);
1721 }
1722}
1723
1724static int bttv_s_std(struct file *file, void *priv, v4l2_std_id id)
1725{
1726 struct bttv_fh *fh = priv;
1727 struct bttv *btv = fh->btv;
1728 unsigned int i;
1729 int err = 0;
1730
1731 for (i = 0; i < BTTV_TVNORMS; i++)
1732 if (id & bttv_tvnorms[i].v4l2_id)
1733 break;
1734 if (i == BTTV_TVNORMS) {
1735 err = -EINVAL;
1736 goto err;
1737 }
1738
1739 btv->std = id;
1740 set_tvnorm(btv, i);
1741
1742err:
1743
1744 return err;
1745}
1746
1747static int bttv_g_std(struct file *file, void *priv, v4l2_std_id *id)
1748{
1749 struct bttv_fh *fh = priv;
1750 struct bttv *btv = fh->btv;
1751
1752 *id = btv->std;
1753 return 0;
1754}
1755
1756static int bttv_querystd(struct file *file, void *f, v4l2_std_id *id)
1757{
1758 struct bttv_fh *fh = f;
1759 struct bttv *btv = fh->btv;
1760
1761 if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML)
1762 *id &= V4L2_STD_625_50;
1763 else
1764 *id &= V4L2_STD_525_60;
1765 return 0;
1766}
1767
1768static int bttv_enum_input(struct file *file, void *priv,
1769 struct v4l2_input *i)
1770{
1771 struct bttv_fh *fh = priv;
1772 struct bttv *btv = fh->btv;
1773 int rc = 0;
1774
1775 if (i->index >= bttv_tvcards[btv->c.type].video_inputs) {
1776 rc = -EINVAL;
1777 goto err;
1778 }
1779
1780 i->type = V4L2_INPUT_TYPE_CAMERA;
1781 i->audioset = 0;
1782
1783 if (btv->tuner_type != TUNER_ABSENT && i->index == 0) {
1784 sprintf(i->name, "Television");
1785 i->type = V4L2_INPUT_TYPE_TUNER;
1786 i->tuner = 0;
1787 } else if (i->index == btv->svhs) {
1788 sprintf(i->name, "S-Video");
1789 } else {
1790 sprintf(i->name, "Composite%d", i->index);
1791 }
1792
1793 if (i->index == btv->input) {
1794 __u32 dstatus = btread(BT848_DSTATUS);
1795 if (0 == (dstatus & BT848_DSTATUS_PRES))
1796 i->status |= V4L2_IN_ST_NO_SIGNAL;
1797 if (0 == (dstatus & BT848_DSTATUS_HLOC))
1798 i->status |= V4L2_IN_ST_NO_H_LOCK;
1799 }
1800
1801 i->std = BTTV_NORMS;
1802
1803err:
1804
1805 return rc;
1806}
1807
1808static int bttv_g_input(struct file *file, void *priv, unsigned int *i)
1809{
1810 struct bttv_fh *fh = priv;
1811 struct bttv *btv = fh->btv;
1812
1813 *i = btv->input;
1814
1815 return 0;
1816}
1817
1818static int bttv_s_input(struct file *file, void *priv, unsigned int i)
1819{
1820 struct bttv_fh *fh = priv;
1821 struct bttv *btv = fh->btv;
1822
1823 if (i >= bttv_tvcards[btv->c.type].video_inputs)
1824 return -EINVAL;
1825
1826 set_input(btv, i, btv->tvnorm);
1827 return 0;
1828}
1829
1830static int bttv_s_tuner(struct file *file, void *priv,
1831 const struct v4l2_tuner *t)
1832{
1833 struct bttv_fh *fh = priv;
1834 struct bttv *btv = fh->btv;
1835
1836 if (t->index)
1837 return -EINVAL;
1838
1839 bttv_call_all(btv, tuner, s_tuner, t);
1840
1841 if (btv->audio_mode_gpio) {
1842 struct v4l2_tuner copy = *t;
1843
1844 btv->audio_mode_gpio(btv, ©, 1);
1845 }
1846 return 0;
1847}
1848
1849static int bttv_g_frequency(struct file *file, void *priv,
1850 struct v4l2_frequency *f)
1851{
1852 struct bttv_fh *fh = priv;
1853 struct bttv *btv = fh->btv;
1854
1855 if (f->tuner)
1856 return -EINVAL;
1857
1858 if (f->type == V4L2_TUNER_RADIO)
1859 radio_enable(btv);
1860 f->frequency = f->type == V4L2_TUNER_RADIO ?
1861 btv->radio_freq : btv->tv_freq;
1862
1863 return 0;
1864}
1865
1866static void bttv_set_frequency(struct bttv *btv, const struct v4l2_frequency *f)
1867{
1868 struct v4l2_frequency new_freq = *f;
1869
1870 bttv_call_all(btv, tuner, s_frequency, f);
1871
1872
1873 bttv_call_all(btv, tuner, g_frequency, &new_freq);
1874 if (new_freq.type == V4L2_TUNER_RADIO) {
1875 radio_enable(btv);
1876 btv->radio_freq = new_freq.frequency;
1877 if (btv->has_tea575x) {
1878 btv->tea.freq = btv->radio_freq;
1879 snd_tea575x_set_freq(&btv->tea);
1880 }
1881 } else {
1882 btv->tv_freq = new_freq.frequency;
1883 }
1884}
1885
1886static int bttv_s_frequency(struct file *file, void *priv,
1887 const struct v4l2_frequency *f)
1888{
1889 struct bttv_fh *fh = priv;
1890 struct bttv *btv = fh->btv;
1891
1892 if (f->tuner)
1893 return -EINVAL;
1894
1895 bttv_set_frequency(btv, f);
1896 return 0;
1897}
1898
1899static int bttv_log_status(struct file *file, void *f)
1900{
1901 struct video_device *vdev = video_devdata(file);
1902 struct bttv_fh *fh = f;
1903 struct bttv *btv = fh->btv;
1904
1905 v4l2_ctrl_handler_log_status(vdev->ctrl_handler, btv->c.v4l2_dev.name);
1906 bttv_call_all(btv, core, log_status);
1907 return 0;
1908}
1909
1910#ifdef CONFIG_VIDEO_ADV_DEBUG
1911static int bttv_g_register(struct file *file, void *f,
1912 struct v4l2_dbg_register *reg)
1913{
1914 struct bttv_fh *fh = f;
1915 struct bttv *btv = fh->btv;
1916
1917
1918 reg->reg &= 0xfff;
1919 reg->val = btread(reg->reg);
1920 reg->size = 1;
1921
1922 return 0;
1923}
1924
1925static int bttv_s_register(struct file *file, void *f,
1926 const struct v4l2_dbg_register *reg)
1927{
1928 struct bttv_fh *fh = f;
1929 struct bttv *btv = fh->btv;
1930
1931
1932 btwrite(reg->val, reg->reg & 0xfff);
1933
1934 return 0;
1935}
1936#endif
1937
1938
1939
1940
1941static void
1942bttv_crop_adjust (struct bttv_crop * c,
1943 const struct v4l2_rect * b,
1944 __s32 width,
1945 __s32 height,
1946 enum v4l2_field field)
1947{
1948 __s32 frame_height = height << !V4L2_FIELD_HAS_BOTH(field);
1949 __s32 max_left;
1950 __s32 max_top;
1951
1952 if (width < c->min_scaled_width) {
1953
1954 c->rect.width = width * 16;
1955 } else if (width > c->max_scaled_width) {
1956
1957 c->rect.width = width;
1958
1959 max_left = b->left + b->width - width;
1960 max_left = min(max_left, (__s32) MAX_HDELAY);
1961 if (c->rect.left > max_left)
1962 c->rect.left = max_left;
1963 }
1964
1965 if (height < c->min_scaled_height) {
1966
1967 c->rect.height = height * 16;
1968 } else if (frame_height > c->max_scaled_height) {
1969
1970
1971 c->rect.height = (frame_height + 1) & ~1;
1972
1973 max_top = b->top + b->height - c->rect.height;
1974 if (c->rect.top > max_top)
1975 c->rect.top = max_top;
1976 }
1977
1978 bttv_crop_calc_limits(c);
1979}
1980
1981
1982
1983
1984
1985
1986
1987
1988static int
1989limit_scaled_size_lock (struct bttv_fh * fh,
1990 __s32 * width,
1991 __s32 * height,
1992 enum v4l2_field field,
1993 unsigned int width_mask,
1994 unsigned int width_bias,
1995 int adjust_size,
1996 int adjust_crop)
1997{
1998 struct bttv *btv = fh->btv;
1999 const struct v4l2_rect *b;
2000 struct bttv_crop *c;
2001 __s32 min_width;
2002 __s32 min_height;
2003 __s32 max_width;
2004 __s32 max_height;
2005 int rc;
2006
2007 BUG_ON((int) width_mask >= 0 ||
2008 width_bias >= (unsigned int) -width_mask);
2009
2010
2011
2012
2013 b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
2014
2015
2016 c = &btv->crop[!!fh->do_crop];
2017
2018 if (fh->do_crop
2019 && adjust_size
2020 && adjust_crop
2021 && !locked_btres(btv, VIDEO_RESOURCES)) {
2022 min_width = 48;
2023 min_height = 32;
2024
2025
2026
2027
2028 max_width = min_t(unsigned int, b->width, MAX_HACTIVE);
2029 max_height = b->height;
2030
2031
2032
2033
2034 if (btv->vbi_end > b->top) {
2035 max_height -= btv->vbi_end - b->top;
2036 rc = -EBUSY;
2037 if (min_height > max_height)
2038 goto fail;
2039 }
2040 } else {
2041 rc = -EBUSY;
2042 if (btv->vbi_end > c->rect.top)
2043 goto fail;
2044
2045 min_width = c->min_scaled_width;
2046 min_height = c->min_scaled_height;
2047 max_width = c->max_scaled_width;
2048 max_height = c->max_scaled_height;
2049
2050 adjust_crop = 0;
2051 }
2052
2053 min_width = (min_width - width_mask - 1) & width_mask;
2054 max_width = max_width & width_mask;
2055
2056
2057 min_height = min_height;
2058
2059 max_height >>= !V4L2_FIELD_HAS_BOTH(field);
2060
2061 if (adjust_size) {
2062 *width = clamp(*width, min_width, max_width);
2063 *height = clamp(*height, min_height, max_height);
2064
2065
2066 *width = (*width + width_bias) & width_mask;
2067
2068 if (adjust_crop) {
2069 bttv_crop_adjust(c, b, *width, *height, field);
2070
2071 if (btv->vbi_end > c->rect.top) {
2072
2073 c->rect.top = btv->vbi_end;
2074 }
2075 }
2076 } else {
2077 rc = -EINVAL;
2078 if (*width < min_width ||
2079 *height < min_height ||
2080 *width > max_width ||
2081 *height > max_height ||
2082 0 != (*width & ~width_mask))
2083 goto fail;
2084 }
2085
2086 rc = 0;
2087
2088 fail:
2089
2090 return rc;
2091}
2092
2093
2094
2095
2096
2097
2098
2099
2100static int
2101verify_window_lock(struct bttv_fh *fh, struct v4l2_window *win,
2102 int adjust_size, int adjust_crop)
2103{
2104 enum v4l2_field field;
2105 unsigned int width_mask;
2106 int rc;
2107
2108 if (win->w.width < 48)
2109 win->w.width = 48;
2110 if (win->w.height < 32)
2111 win->w.height = 32;
2112 if (win->clipcount > 2048)
2113 win->clipcount = 2048;
2114
2115 win->chromakey = 0;
2116 win->global_alpha = 0;
2117 field = win->field;
2118
2119 switch (field) {
2120 case V4L2_FIELD_TOP:
2121 case V4L2_FIELD_BOTTOM:
2122 case V4L2_FIELD_INTERLACED:
2123 break;
2124 default:
2125 field = V4L2_FIELD_ANY;
2126 break;
2127 }
2128 if (V4L2_FIELD_ANY == field) {
2129 __s32 height2;
2130
2131 height2 = fh->btv->crop[!!fh->do_crop].rect.height >> 1;
2132 field = (win->w.height > height2)
2133 ? V4L2_FIELD_INTERLACED
2134 : V4L2_FIELD_TOP;
2135 }
2136 win->field = field;
2137
2138 if (NULL == fh->ovfmt)
2139 return -EINVAL;
2140
2141 width_mask = ~0;
2142 switch (fh->ovfmt->depth) {
2143 case 8:
2144 case 24:
2145 width_mask = ~3;
2146 break;
2147 case 16:
2148 width_mask = ~1;
2149 break;
2150 case 32:
2151 break;
2152 default:
2153 BUG();
2154 }
2155
2156 win->w.width -= win->w.left & ~width_mask;
2157 win->w.left = (win->w.left - width_mask - 1) & width_mask;
2158
2159 rc = limit_scaled_size_lock(fh, &win->w.width, &win->w.height,
2160 field, width_mask,
2161 0,
2162 adjust_size, adjust_crop);
2163 if (0 != rc)
2164 return rc;
2165 return 0;
2166}
2167
2168static int setup_window_lock(struct bttv_fh *fh, struct bttv *btv,
2169 struct v4l2_window *win, int fixup)
2170{
2171 struct v4l2_clip *clips = NULL;
2172 int n,size,retval = 0;
2173
2174 if (NULL == fh->ovfmt)
2175 return -EINVAL;
2176 if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED))
2177 return -EINVAL;
2178 retval = verify_window_lock(fh, win,
2179 fixup,
2180 fixup);
2181 if (0 != retval)
2182 return retval;
2183
2184
2185
2186 n = win->clipcount;
2187 size = sizeof(*clips)*(n+4);
2188 clips = kmalloc(size,GFP_KERNEL);
2189 if (NULL == clips)
2190 return -ENOMEM;
2191 if (n > 0) {
2192 if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) {
2193 kfree(clips);
2194 return -EFAULT;
2195 }
2196 }
2197
2198
2199 if (NULL != btv->fbuf.base)
2200 n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height,
2201 &win->w, clips, n);
2202 btcx_sort_clips(clips,n);
2203
2204
2205 switch (fh->ovfmt->depth) {
2206 case 8:
2207 case 24:
2208 btcx_align(&win->w, clips, n, 3);
2209 break;
2210 case 16:
2211 btcx_align(&win->w, clips, n, 1);
2212 break;
2213 case 32:
2214
2215 break;
2216 default:
2217 BUG();
2218 }
2219
2220 kfree(fh->ov.clips);
2221 fh->ov.clips = clips;
2222 fh->ov.nclips = n;
2223
2224 fh->ov.w = win->w;
2225 fh->ov.field = win->field;
2226 fh->ov.setup_ok = 1;
2227
2228 btv->init.ov.w.width = win->w.width;
2229 btv->init.ov.w.height = win->w.height;
2230 btv->init.ov.field = win->field;
2231
2232
2233 retval = 0;
2234 if (check_btres(fh, RESOURCE_OVERLAY)) {
2235 struct bttv_buffer *new;
2236
2237 new = videobuf_sg_alloc(sizeof(*new));
2238 new->crop = btv->crop[!!fh->do_crop].rect;
2239 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
2240 retval = bttv_switch_overlay(btv,fh,new);
2241 }
2242 return retval;
2243}
2244
2245
2246
2247static struct videobuf_queue* bttv_queue(struct bttv_fh *fh)
2248{
2249 struct videobuf_queue* q = NULL;
2250
2251 switch (fh->type) {
2252 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2253 q = &fh->cap;
2254 break;
2255 case V4L2_BUF_TYPE_VBI_CAPTURE:
2256 q = &fh->vbi;
2257 break;
2258 default:
2259 BUG();
2260 }
2261 return q;
2262}
2263
2264static int bttv_resource(struct bttv_fh *fh)
2265{
2266 int res = 0;
2267
2268 switch (fh->type) {
2269 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2270 res = RESOURCE_VIDEO_STREAM;
2271 break;
2272 case V4L2_BUF_TYPE_VBI_CAPTURE:
2273 res = RESOURCE_VBI;
2274 break;
2275 default:
2276 BUG();
2277 }
2278 return res;
2279}
2280
2281static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type)
2282{
2283 struct videobuf_queue *q = bttv_queue(fh);
2284 int res = bttv_resource(fh);
2285
2286 if (check_btres(fh,res))
2287 return -EBUSY;
2288 if (videobuf_queue_is_busy(q))
2289 return -EBUSY;
2290 fh->type = type;
2291 return 0;
2292}
2293
2294static void
2295pix_format_set_size (struct v4l2_pix_format * f,
2296 const struct bttv_format * fmt,
2297 unsigned int width,
2298 unsigned int height)
2299{
2300 f->width = width;
2301 f->height = height;
2302
2303 if (fmt->flags & FORMAT_FLAGS_PLANAR) {
2304 f->bytesperline = width;
2305 f->sizeimage = (width * height * fmt->depth) >> 3;
2306 } else {
2307 f->bytesperline = (width * fmt->depth) >> 3;
2308 f->sizeimage = height * f->bytesperline;
2309 }
2310}
2311
2312static int bttv_g_fmt_vid_cap(struct file *file, void *priv,
2313 struct v4l2_format *f)
2314{
2315 struct bttv_fh *fh = priv;
2316
2317 pix_format_set_size(&f->fmt.pix, fh->fmt,
2318 fh->width, fh->height);
2319 f->fmt.pix.field = fh->cap.field;
2320 f->fmt.pix.pixelformat = fh->fmt->fourcc;
2321 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
2322
2323 return 0;
2324}
2325
2326static int bttv_g_fmt_vid_overlay(struct file *file, void *priv,
2327 struct v4l2_format *f)
2328{
2329 struct bttv_fh *fh = priv;
2330
2331 f->fmt.win.w = fh->ov.w;
2332 f->fmt.win.field = fh->ov.field;
2333
2334 return 0;
2335}
2336
2337static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
2338 struct v4l2_format *f)
2339{
2340 const struct bttv_format *fmt;
2341 struct bttv_fh *fh = priv;
2342 struct bttv *btv = fh->btv;
2343 enum v4l2_field field;
2344 __s32 width, height;
2345 __s32 height2;
2346 int rc;
2347
2348 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
2349 if (NULL == fmt)
2350 return -EINVAL;
2351
2352 field = f->fmt.pix.field;
2353
2354 switch (field) {
2355 case V4L2_FIELD_TOP:
2356 case V4L2_FIELD_BOTTOM:
2357 case V4L2_FIELD_ALTERNATE:
2358 case V4L2_FIELD_INTERLACED:
2359 break;
2360 case V4L2_FIELD_SEQ_BT:
2361 case V4L2_FIELD_SEQ_TB:
2362 if (!(fmt->flags & FORMAT_FLAGS_PLANAR)) {
2363 field = V4L2_FIELD_SEQ_TB;
2364 break;
2365 }
2366
2367 default:
2368 height2 = btv->crop[!!fh->do_crop].rect.height >> 1;
2369 field = (f->fmt.pix.height > height2)
2370 ? V4L2_FIELD_INTERLACED
2371 : V4L2_FIELD_BOTTOM;
2372 break;
2373 }
2374
2375 width = f->fmt.pix.width;
2376 height = f->fmt.pix.height;
2377
2378 rc = limit_scaled_size_lock(fh, &width, &height, field,
2379 ~3,
2380 2,
2381 1,
2382 0);
2383 if (0 != rc)
2384 return rc;
2385
2386
2387 f->fmt.pix.field = field;
2388 pix_format_set_size(&f->fmt.pix, fmt, width, height);
2389 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
2390
2391 return 0;
2392}
2393
2394static int bttv_try_fmt_vid_overlay(struct file *file, void *priv,
2395 struct v4l2_format *f)
2396{
2397 struct bttv_fh *fh = priv;
2398
2399 verify_window_lock(fh, &f->fmt.win,
2400 1,
2401 0);
2402 return 0;
2403}
2404
2405static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
2406 struct v4l2_format *f)
2407{
2408 int retval;
2409 const struct bttv_format *fmt;
2410 struct bttv_fh *fh = priv;
2411 struct bttv *btv = fh->btv;
2412 __s32 width, height;
2413 enum v4l2_field field;
2414
2415 retval = bttv_switch_type(fh, f->type);
2416 if (0 != retval)
2417 return retval;
2418
2419 retval = bttv_try_fmt_vid_cap(file, priv, f);
2420 if (0 != retval)
2421 return retval;
2422
2423 width = f->fmt.pix.width;
2424 height = f->fmt.pix.height;
2425 field = f->fmt.pix.field;
2426
2427 retval = limit_scaled_size_lock(fh, &width, &height, f->fmt.pix.field,
2428 ~3,
2429 2,
2430 1,
2431 1);
2432 if (0 != retval)
2433 return retval;
2434
2435 f->fmt.pix.field = field;
2436
2437 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
2438
2439
2440 fh->fmt = fmt;
2441 fh->cap.field = f->fmt.pix.field;
2442 fh->cap.last = V4L2_FIELD_NONE;
2443 fh->width = f->fmt.pix.width;
2444 fh->height = f->fmt.pix.height;
2445 btv->init.fmt = fmt;
2446 btv->init.width = f->fmt.pix.width;
2447 btv->init.height = f->fmt.pix.height;
2448
2449 return 0;
2450}
2451
2452static int bttv_s_fmt_vid_overlay(struct file *file, void *priv,
2453 struct v4l2_format *f)
2454{
2455 struct bttv_fh *fh = priv;
2456 struct bttv *btv = fh->btv;
2457
2458 if (no_overlay > 0) {
2459 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2460 return -EINVAL;
2461 }
2462
2463 return setup_window_lock(fh, btv, &f->fmt.win, 1);
2464}
2465
2466static int bttv_querycap(struct file *file, void *priv,
2467 struct v4l2_capability *cap)
2468{
2469 struct video_device *vdev = video_devdata(file);
2470 struct bttv_fh *fh = priv;
2471 struct bttv *btv = fh->btv;
2472
2473 if (0 == v4l2)
2474 return -EINVAL;
2475
2476 strlcpy(cap->driver, "bttv", sizeof(cap->driver));
2477 strlcpy(cap->card, btv->video_dev.name, sizeof(cap->card));
2478 snprintf(cap->bus_info, sizeof(cap->bus_info),
2479 "PCI:%s", pci_name(btv->c.pci));
2480 cap->capabilities =
2481 V4L2_CAP_VIDEO_CAPTURE |
2482 V4L2_CAP_READWRITE |
2483 V4L2_CAP_STREAMING |
2484 V4L2_CAP_DEVICE_CAPS;
2485 if (no_overlay <= 0)
2486 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
2487 if (video_is_registered(&btv->vbi_dev))
2488 cap->capabilities |= V4L2_CAP_VBI_CAPTURE;
2489 if (video_is_registered(&btv->radio_dev))
2490 cap->capabilities |= V4L2_CAP_RADIO;
2491
2492
2493
2494
2495
2496 if (btv->has_saa6588)
2497 cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
2498 if (btv->tuner_type != TUNER_ABSENT)
2499 cap->capabilities |= V4L2_CAP_TUNER;
2500 if (vdev->vfl_type == VFL_TYPE_GRABBER)
2501 cap->device_caps = cap->capabilities &
2502 (V4L2_CAP_VIDEO_CAPTURE |
2503 V4L2_CAP_READWRITE |
2504 V4L2_CAP_STREAMING |
2505 V4L2_CAP_VIDEO_OVERLAY |
2506 V4L2_CAP_TUNER);
2507 else if (vdev->vfl_type == VFL_TYPE_VBI)
2508 cap->device_caps = cap->capabilities &
2509 (V4L2_CAP_VBI_CAPTURE |
2510 V4L2_CAP_READWRITE |
2511 V4L2_CAP_STREAMING |
2512 V4L2_CAP_TUNER);
2513 else {
2514 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
2515 if (btv->has_saa6588)
2516 cap->device_caps |= V4L2_CAP_READWRITE |
2517 V4L2_CAP_RDS_CAPTURE;
2518 if (btv->has_tea575x)
2519 cap->device_caps |= V4L2_CAP_HW_FREQ_SEEK;
2520 }
2521 return 0;
2522}
2523
2524static int bttv_enum_fmt_cap_ovr(struct v4l2_fmtdesc *f)
2525{
2526 int index = -1, i;
2527
2528 for (i = 0; i < FORMATS; i++) {
2529 if (formats[i].fourcc != -1)
2530 index++;
2531 if ((unsigned int)index == f->index)
2532 break;
2533 }
2534 if (FORMATS == i)
2535 return -EINVAL;
2536
2537 f->pixelformat = formats[i].fourcc;
2538 strlcpy(f->description, formats[i].name, sizeof(f->description));
2539
2540 return i;
2541}
2542
2543static int bttv_enum_fmt_vid_cap(struct file *file, void *priv,
2544 struct v4l2_fmtdesc *f)
2545{
2546 int rc = bttv_enum_fmt_cap_ovr(f);
2547
2548 if (rc < 0)
2549 return rc;
2550
2551 return 0;
2552}
2553
2554static int bttv_enum_fmt_vid_overlay(struct file *file, void *priv,
2555 struct v4l2_fmtdesc *f)
2556{
2557 int rc;
2558
2559 if (no_overlay > 0) {
2560 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2561 return -EINVAL;
2562 }
2563
2564 rc = bttv_enum_fmt_cap_ovr(f);
2565
2566 if (rc < 0)
2567 return rc;
2568
2569 if (!(formats[rc].flags & FORMAT_FLAGS_PACKED))
2570 return -EINVAL;
2571
2572 return 0;
2573}
2574
2575static int bttv_g_fbuf(struct file *file, void *f,
2576 struct v4l2_framebuffer *fb)
2577{
2578 struct bttv_fh *fh = f;
2579 struct bttv *btv = fh->btv;
2580
2581 *fb = btv->fbuf;
2582 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2583 fb->flags = V4L2_FBUF_FLAG_PRIMARY;
2584 if (fh->ovfmt)
2585 fb->fmt.pixelformat = fh->ovfmt->fourcc;
2586 return 0;
2587}
2588
2589static int bttv_overlay(struct file *file, void *f, unsigned int on)
2590{
2591 struct bttv_fh *fh = f;
2592 struct bttv *btv = fh->btv;
2593 struct bttv_buffer *new;
2594 int retval = 0;
2595
2596 if (on) {
2597
2598 if (unlikely(!btv->fbuf.base)) {
2599 return -EINVAL;
2600 }
2601 if (unlikely(!fh->ov.setup_ok)) {
2602 dprintk("%d: overlay: !setup_ok\n", btv->c.nr);
2603 retval = -EINVAL;
2604 }
2605 if (retval)
2606 return retval;
2607 }
2608
2609 if (!check_alloc_btres_lock(btv, fh, RESOURCE_OVERLAY))
2610 return -EBUSY;
2611
2612 if (on) {
2613 fh->ov.tvnorm = btv->tvnorm;
2614 new = videobuf_sg_alloc(sizeof(*new));
2615 new->crop = btv->crop[!!fh->do_crop].rect;
2616 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
2617 } else {
2618 new = NULL;
2619 }
2620
2621
2622 retval = bttv_switch_overlay(btv, fh, new);
2623 return retval;
2624}
2625
2626static int bttv_s_fbuf(struct file *file, void *f,
2627 const struct v4l2_framebuffer *fb)
2628{
2629 struct bttv_fh *fh = f;
2630 struct bttv *btv = fh->btv;
2631 const struct bttv_format *fmt;
2632 int retval;
2633
2634 if (!capable(CAP_SYS_ADMIN) &&
2635 !capable(CAP_SYS_RAWIO))
2636 return -EPERM;
2637
2638
2639 fmt = format_by_fourcc(fb->fmt.pixelformat);
2640 if (NULL == fmt)
2641 return -EINVAL;
2642 if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
2643 return -EINVAL;
2644
2645 retval = -EINVAL;
2646 if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
2647 __s32 width = fb->fmt.width;
2648 __s32 height = fb->fmt.height;
2649
2650 retval = limit_scaled_size_lock(fh, &width, &height,
2651 V4L2_FIELD_INTERLACED,
2652 ~3,
2653 2,
2654 0,
2655 0);
2656 if (0 != retval)
2657 return retval;
2658 }
2659
2660
2661 btv->fbuf.base = fb->base;
2662 btv->fbuf.fmt.width = fb->fmt.width;
2663 btv->fbuf.fmt.height = fb->fmt.height;
2664 if (0 != fb->fmt.bytesperline)
2665 btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline;
2666 else
2667 btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8;
2668
2669 retval = 0;
2670 fh->ovfmt = fmt;
2671 btv->init.ovfmt = fmt;
2672 if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
2673 fh->ov.w.left = 0;
2674 fh->ov.w.top = 0;
2675 fh->ov.w.width = fb->fmt.width;
2676 fh->ov.w.height = fb->fmt.height;
2677 btv->init.ov.w.width = fb->fmt.width;
2678 btv->init.ov.w.height = fb->fmt.height;
2679 kfree(fh->ov.clips);
2680 fh->ov.clips = NULL;
2681 fh->ov.nclips = 0;
2682
2683 if (check_btres(fh, RESOURCE_OVERLAY)) {
2684 struct bttv_buffer *new;
2685
2686 new = videobuf_sg_alloc(sizeof(*new));
2687 new->crop = btv->crop[!!fh->do_crop].rect;
2688 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
2689 retval = bttv_switch_overlay(btv, fh, new);
2690 }
2691 }
2692 return retval;
2693}
2694
2695static int bttv_reqbufs(struct file *file, void *priv,
2696 struct v4l2_requestbuffers *p)
2697{
2698 struct bttv_fh *fh = priv;
2699 return videobuf_reqbufs(bttv_queue(fh), p);
2700}
2701
2702static int bttv_querybuf(struct file *file, void *priv,
2703 struct v4l2_buffer *b)
2704{
2705 struct bttv_fh *fh = priv;
2706 return videobuf_querybuf(bttv_queue(fh), b);
2707}
2708
2709static int bttv_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2710{
2711 struct bttv_fh *fh = priv;
2712 struct bttv *btv = fh->btv;
2713 int res = bttv_resource(fh);
2714
2715 if (!check_alloc_btres_lock(btv, fh, res))
2716 return -EBUSY;
2717
2718 return videobuf_qbuf(bttv_queue(fh), b);
2719}
2720
2721static int bttv_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2722{
2723 struct bttv_fh *fh = priv;
2724 return videobuf_dqbuf(bttv_queue(fh), b,
2725 file->f_flags & O_NONBLOCK);
2726}
2727
2728static int bttv_streamon(struct file *file, void *priv,
2729 enum v4l2_buf_type type)
2730{
2731 struct bttv_fh *fh = priv;
2732 struct bttv *btv = fh->btv;
2733 int res = bttv_resource(fh);
2734
2735 if (!check_alloc_btres_lock(btv, fh, res))
2736 return -EBUSY;
2737 return videobuf_streamon(bttv_queue(fh));
2738}
2739
2740
2741static int bttv_streamoff(struct file *file, void *priv,
2742 enum v4l2_buf_type type)
2743{
2744 struct bttv_fh *fh = priv;
2745 struct bttv *btv = fh->btv;
2746 int retval;
2747 int res = bttv_resource(fh);
2748
2749
2750 retval = videobuf_streamoff(bttv_queue(fh));
2751 if (retval < 0)
2752 return retval;
2753 free_btres_lock(btv, fh, res);
2754 return 0;
2755}
2756
2757static int bttv_g_parm(struct file *file, void *f,
2758 struct v4l2_streamparm *parm)
2759{
2760 struct bttv_fh *fh = f;
2761 struct bttv *btv = fh->btv;
2762
2763 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
2764 return -EINVAL;
2765 parm->parm.capture.readbuffers = gbuffers;
2766 v4l2_video_std_frame_period(bttv_tvnorms[btv->tvnorm].v4l2_id,
2767 &parm->parm.capture.timeperframe);
2768
2769 return 0;
2770}
2771
2772static int bttv_g_tuner(struct file *file, void *priv,
2773 struct v4l2_tuner *t)
2774{
2775 struct bttv_fh *fh = priv;
2776 struct bttv *btv = fh->btv;
2777
2778 if (0 != t->index)
2779 return -EINVAL;
2780
2781 t->rxsubchans = V4L2_TUNER_SUB_MONO;
2782 t->capability = V4L2_TUNER_CAP_NORM;
2783 bttv_call_all(btv, tuner, g_tuner, t);
2784 strcpy(t->name, "Television");
2785 t->type = V4L2_TUNER_ANALOG_TV;
2786 if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
2787 t->signal = 0xffff;
2788
2789 if (btv->audio_mode_gpio)
2790 btv->audio_mode_gpio(btv, t, 0);
2791
2792 return 0;
2793}
2794
2795static int bttv_cropcap(struct file *file, void *priv,
2796 struct v4l2_cropcap *cap)
2797{
2798 struct bttv_fh *fh = priv;
2799 struct bttv *btv = fh->btv;
2800
2801 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
2802 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
2803 return -EINVAL;
2804
2805 *cap = bttv_tvnorms[btv->tvnorm].cropcap;
2806
2807 return 0;
2808}
2809
2810static int bttv_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
2811{
2812 struct bttv_fh *fh = f;
2813 struct bttv *btv = fh->btv;
2814
2815 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
2816 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
2817 return -EINVAL;
2818
2819
2820
2821
2822
2823 crop->c = btv->crop[!!fh->do_crop].rect;
2824
2825 return 0;
2826}
2827
2828static int bttv_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
2829{
2830 struct bttv_fh *fh = f;
2831 struct bttv *btv = fh->btv;
2832 const struct v4l2_rect *b;
2833 int retval;
2834 struct bttv_crop c;
2835 __s32 b_left;
2836 __s32 b_top;
2837 __s32 b_right;
2838 __s32 b_bottom;
2839
2840 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
2841 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
2842 return -EINVAL;
2843
2844
2845
2846
2847 retval = -EBUSY;
2848
2849 if (locked_btres(fh->btv, VIDEO_RESOURCES)) {
2850 return retval;
2851 }
2852
2853 b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
2854
2855 b_left = b->left;
2856 b_right = b_left + b->width;
2857 b_bottom = b->top + b->height;
2858
2859 b_top = max(b->top, btv->vbi_end);
2860 if (b_top + 32 >= b_bottom) {
2861 return retval;
2862 }
2863
2864
2865 c.rect.left = clamp_t(s32, crop->c.left, b_left, b_right - 48);
2866 c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY);
2867
2868 c.rect.width = clamp_t(s32, crop->c.width,
2869 48, b_right - c.rect.left);
2870
2871 c.rect.top = clamp_t(s32, crop->c.top, b_top, b_bottom - 32);
2872
2873 c.rect.top = (c.rect.top + 1) & ~1;
2874
2875 c.rect.height = clamp_t(s32, crop->c.height,
2876 32, b_bottom - c.rect.top);
2877 c.rect.height = (c.rect.height + 1) & ~1;
2878
2879 bttv_crop_calc_limits(&c);
2880
2881 btv->crop[1] = c;
2882
2883 fh->do_crop = 1;
2884
2885 if (fh->width < c.min_scaled_width) {
2886 fh->width = c.min_scaled_width;
2887 btv->init.width = c.min_scaled_width;
2888 } else if (fh->width > c.max_scaled_width) {
2889 fh->width = c.max_scaled_width;
2890 btv->init.width = c.max_scaled_width;
2891 }
2892
2893 if (fh->height < c.min_scaled_height) {
2894 fh->height = c.min_scaled_height;
2895 btv->init.height = c.min_scaled_height;
2896 } else if (fh->height > c.max_scaled_height) {
2897 fh->height = c.max_scaled_height;
2898 btv->init.height = c.max_scaled_height;
2899 }
2900
2901 return 0;
2902}
2903
2904static ssize_t bttv_read(struct file *file, char __user *data,
2905 size_t count, loff_t *ppos)
2906{
2907 struct bttv_fh *fh = file->private_data;
2908 int retval = 0;
2909
2910 if (fh->btv->errors)
2911 bttv_reinit_bt848(fh->btv);
2912 dprintk("%d: read count=%d type=%s\n",
2913 fh->btv->c.nr, (int)count, v4l2_type_names[fh->type]);
2914
2915 switch (fh->type) {
2916 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2917 if (!check_alloc_btres_lock(fh->btv, fh, RESOURCE_VIDEO_READ)) {
2918
2919
2920 return -EBUSY;
2921 }
2922 retval = videobuf_read_one(&fh->cap, data, count, ppos,
2923 file->f_flags & O_NONBLOCK);
2924 free_btres_lock(fh->btv, fh, RESOURCE_VIDEO_READ);
2925 break;
2926 case V4L2_BUF_TYPE_VBI_CAPTURE:
2927 if (!check_alloc_btres_lock(fh->btv,fh,RESOURCE_VBI))
2928 return -EBUSY;
2929 retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1,
2930 file->f_flags & O_NONBLOCK);
2931 break;
2932 default:
2933 BUG();
2934 }
2935 return retval;
2936}
2937
2938static unsigned int bttv_poll(struct file *file, poll_table *wait)
2939{
2940 struct bttv_fh *fh = file->private_data;
2941 struct bttv_buffer *buf;
2942 enum v4l2_field field;
2943 unsigned int rc = 0;
2944 unsigned long req_events = poll_requested_events(wait);
2945
2946 if (v4l2_event_pending(&fh->fh))
2947 rc = POLLPRI;
2948 else if (req_events & POLLPRI)
2949 poll_wait(file, &fh->fh.wait, wait);
2950
2951 if (!(req_events & (POLLIN | POLLRDNORM)))
2952 return rc;
2953
2954 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
2955 if (!check_alloc_btres_lock(fh->btv,fh,RESOURCE_VBI))
2956 return rc | POLLERR;
2957 return rc | videobuf_poll_stream(file, &fh->vbi, wait);
2958 }
2959
2960 if (check_btres(fh,RESOURCE_VIDEO_STREAM)) {
2961
2962 if (list_empty(&fh->cap.stream))
2963 return rc | POLLERR;
2964 buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
2965 } else {
2966
2967 if (NULL == fh->cap.read_buf) {
2968
2969 if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM))
2970 return rc | POLLERR;
2971 fh->cap.read_buf = videobuf_sg_alloc(fh->cap.msize);
2972 if (NULL == fh->cap.read_buf)
2973 return rc | POLLERR;
2974 fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
2975 field = videobuf_next_field(&fh->cap);
2976 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
2977 kfree (fh->cap.read_buf);
2978 fh->cap.read_buf = NULL;
2979 return rc | POLLERR;
2980 }
2981 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
2982 fh->cap.read_off = 0;
2983 }
2984 buf = (struct bttv_buffer*)fh->cap.read_buf;
2985 }
2986
2987 poll_wait(file, &buf->vb.done, wait);
2988 if (buf->vb.state == VIDEOBUF_DONE ||
2989 buf->vb.state == VIDEOBUF_ERROR)
2990 rc = rc | POLLIN|POLLRDNORM;
2991 return rc;
2992}
2993
2994static int bttv_open(struct file *file)
2995{
2996 struct video_device *vdev = video_devdata(file);
2997 struct bttv *btv = video_drvdata(file);
2998 struct bttv_fh *fh;
2999 enum v4l2_buf_type type = 0;
3000
3001 dprintk("open dev=%s\n", video_device_node_name(vdev));
3002
3003 if (vdev->vfl_type == VFL_TYPE_GRABBER) {
3004 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
3005 } else if (vdev->vfl_type == VFL_TYPE_VBI) {
3006 type = V4L2_BUF_TYPE_VBI_CAPTURE;
3007 } else {
3008 WARN_ON(1);
3009 return -ENODEV;
3010 }
3011
3012 dprintk("%d: open called (type=%s)\n",
3013 btv->c.nr, v4l2_type_names[type]);
3014
3015
3016 fh = kmalloc(sizeof(*fh), GFP_KERNEL);
3017 if (unlikely(!fh))
3018 return -ENOMEM;
3019 btv->users++;
3020 file->private_data = fh;
3021
3022 *fh = btv->init;
3023 v4l2_fh_init(&fh->fh, vdev);
3024
3025 fh->type = type;
3026 fh->ov.setup_ok = 0;
3027
3028 videobuf_queue_sg_init(&fh->cap, &bttv_video_qops,
3029 &btv->c.pci->dev, &btv->s_lock,
3030 V4L2_BUF_TYPE_VIDEO_CAPTURE,
3031 V4L2_FIELD_INTERLACED,
3032 sizeof(struct bttv_buffer),
3033 fh, &btv->lock);
3034 videobuf_queue_sg_init(&fh->vbi, &bttv_vbi_qops,
3035 &btv->c.pci->dev, &btv->s_lock,
3036 V4L2_BUF_TYPE_VBI_CAPTURE,
3037 V4L2_FIELD_SEQ_TB,
3038 sizeof(struct bttv_buffer),
3039 fh, &btv->lock);
3040 set_tvnorm(btv,btv->tvnorm);
3041 set_input(btv, btv->input, btv->tvnorm);
3042 audio_mute(btv, btv->mute);
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053 fh->do_crop = !reset_crop;
3054
3055
3056
3057
3058 bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm);
3059
3060 bttv_field_count(btv);
3061 v4l2_fh_add(&fh->fh);
3062 return 0;
3063}
3064
3065static int bttv_release(struct file *file)
3066{
3067 struct bttv_fh *fh = file->private_data;
3068 struct bttv *btv = fh->btv;
3069
3070
3071 if (check_btres(fh, RESOURCE_OVERLAY))
3072 bttv_switch_overlay(btv,fh,NULL);
3073
3074
3075 if (check_btres(fh, RESOURCE_VIDEO_STREAM)) {
3076 videobuf_streamoff(&fh->cap);
3077 free_btres_lock(btv,fh,RESOURCE_VIDEO_STREAM);
3078 }
3079 if (fh->cap.read_buf) {
3080 buffer_release(&fh->cap,fh->cap.read_buf);
3081 kfree(fh->cap.read_buf);
3082 }
3083 if (check_btres(fh, RESOURCE_VIDEO_READ)) {
3084 free_btres_lock(btv, fh, RESOURCE_VIDEO_READ);
3085 }
3086
3087
3088 if (check_btres(fh, RESOURCE_VBI)) {
3089 videobuf_stop(&fh->vbi);
3090 free_btres_lock(btv,fh,RESOURCE_VBI);
3091 }
3092
3093
3094
3095 videobuf_mmap_free(&fh->cap);
3096 videobuf_mmap_free(&fh->vbi);
3097 file->private_data = NULL;
3098
3099 btv->users--;
3100 bttv_field_count(btv);
3101
3102 if (!btv->users)
3103 audio_mute(btv, btv->mute);
3104
3105 v4l2_fh_del(&fh->fh);
3106 v4l2_fh_exit(&fh->fh);
3107 kfree(fh);
3108 return 0;
3109}
3110
3111static int
3112bttv_mmap(struct file *file, struct vm_area_struct *vma)
3113{
3114 struct bttv_fh *fh = file->private_data;
3115
3116 dprintk("%d: mmap type=%s 0x%lx+%ld\n",
3117 fh->btv->c.nr, v4l2_type_names[fh->type],
3118 vma->vm_start, vma->vm_end - vma->vm_start);
3119 return videobuf_mmap_mapper(bttv_queue(fh),vma);
3120}
3121
3122static const struct v4l2_file_operations bttv_fops =
3123{
3124 .owner = THIS_MODULE,
3125 .open = bttv_open,
3126 .release = bttv_release,
3127 .unlocked_ioctl = video_ioctl2,
3128 .read = bttv_read,
3129 .mmap = bttv_mmap,
3130 .poll = bttv_poll,
3131};
3132
3133static const struct v4l2_ioctl_ops bttv_ioctl_ops = {
3134 .vidioc_querycap = bttv_querycap,
3135 .vidioc_enum_fmt_vid_cap = bttv_enum_fmt_vid_cap,
3136 .vidioc_g_fmt_vid_cap = bttv_g_fmt_vid_cap,
3137 .vidioc_try_fmt_vid_cap = bttv_try_fmt_vid_cap,
3138 .vidioc_s_fmt_vid_cap = bttv_s_fmt_vid_cap,
3139 .vidioc_enum_fmt_vid_overlay = bttv_enum_fmt_vid_overlay,
3140 .vidioc_g_fmt_vid_overlay = bttv_g_fmt_vid_overlay,
3141 .vidioc_try_fmt_vid_overlay = bttv_try_fmt_vid_overlay,
3142 .vidioc_s_fmt_vid_overlay = bttv_s_fmt_vid_overlay,
3143 .vidioc_g_fmt_vbi_cap = bttv_g_fmt_vbi_cap,
3144 .vidioc_try_fmt_vbi_cap = bttv_try_fmt_vbi_cap,
3145 .vidioc_s_fmt_vbi_cap = bttv_s_fmt_vbi_cap,
3146 .vidioc_cropcap = bttv_cropcap,
3147 .vidioc_reqbufs = bttv_reqbufs,
3148 .vidioc_querybuf = bttv_querybuf,
3149 .vidioc_qbuf = bttv_qbuf,
3150 .vidioc_dqbuf = bttv_dqbuf,
3151 .vidioc_s_std = bttv_s_std,
3152 .vidioc_g_std = bttv_g_std,
3153 .vidioc_enum_input = bttv_enum_input,
3154 .vidioc_g_input = bttv_g_input,
3155 .vidioc_s_input = bttv_s_input,
3156 .vidioc_streamon = bttv_streamon,
3157 .vidioc_streamoff = bttv_streamoff,
3158 .vidioc_g_tuner = bttv_g_tuner,
3159 .vidioc_s_tuner = bttv_s_tuner,
3160 .vidioc_g_crop = bttv_g_crop,
3161 .vidioc_s_crop = bttv_s_crop,
3162 .vidioc_g_fbuf = bttv_g_fbuf,
3163 .vidioc_s_fbuf = bttv_s_fbuf,
3164 .vidioc_overlay = bttv_overlay,
3165 .vidioc_g_parm = bttv_g_parm,
3166 .vidioc_g_frequency = bttv_g_frequency,
3167 .vidioc_s_frequency = bttv_s_frequency,
3168 .vidioc_log_status = bttv_log_status,
3169 .vidioc_querystd = bttv_querystd,
3170 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
3171 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
3172#ifdef CONFIG_VIDEO_ADV_DEBUG
3173 .vidioc_g_register = bttv_g_register,
3174 .vidioc_s_register = bttv_s_register,
3175#endif
3176};
3177
3178static struct video_device bttv_video_template = {
3179 .fops = &bttv_fops,
3180 .ioctl_ops = &bttv_ioctl_ops,
3181 .tvnorms = BTTV_NORMS,
3182};
3183
3184
3185
3186
3187static int radio_open(struct file *file)
3188{
3189 struct video_device *vdev = video_devdata(file);
3190 struct bttv *btv = video_drvdata(file);
3191 struct bttv_fh *fh;
3192
3193 dprintk("open dev=%s\n", video_device_node_name(vdev));
3194
3195 dprintk("%d: open called (radio)\n", btv->c.nr);
3196
3197
3198 fh = kmalloc(sizeof(*fh), GFP_KERNEL);
3199 if (unlikely(!fh))
3200 return -ENOMEM;
3201 file->private_data = fh;
3202 *fh = btv->init;
3203 v4l2_fh_init(&fh->fh, vdev);
3204
3205 btv->radio_user++;
3206 audio_mute(btv, btv->mute);
3207
3208 v4l2_fh_add(&fh->fh);
3209
3210 return 0;
3211}
3212
3213static int radio_release(struct file *file)
3214{
3215 struct bttv_fh *fh = file->private_data;
3216 struct bttv *btv = fh->btv;
3217 struct saa6588_command cmd;
3218
3219 file->private_data = NULL;
3220 v4l2_fh_del(&fh->fh);
3221 v4l2_fh_exit(&fh->fh);
3222 kfree(fh);
3223
3224 btv->radio_user--;
3225
3226 bttv_call_all(btv, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
3227
3228 if (btv->radio_user == 0)
3229 btv->has_radio_tuner = 0;
3230 return 0;
3231}
3232
3233static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
3234{
3235 struct bttv_fh *fh = priv;
3236 struct bttv *btv = fh->btv;
3237
3238 if (0 != t->index)
3239 return -EINVAL;
3240 strcpy(t->name, "Radio");
3241 t->type = V4L2_TUNER_RADIO;
3242 radio_enable(btv);
3243
3244 bttv_call_all(btv, tuner, g_tuner, t);
3245
3246 if (btv->audio_mode_gpio)
3247 btv->audio_mode_gpio(btv, t, 0);
3248
3249 if (btv->has_tea575x)
3250 return snd_tea575x_g_tuner(&btv->tea, t);
3251
3252 return 0;
3253}
3254
3255static int radio_s_tuner(struct file *file, void *priv,
3256 const struct v4l2_tuner *t)
3257{
3258 struct bttv_fh *fh = priv;
3259 struct bttv *btv = fh->btv;
3260
3261 if (0 != t->index)
3262 return -EINVAL;
3263
3264 radio_enable(btv);
3265 bttv_call_all(btv, tuner, s_tuner, t);
3266 return 0;
3267}
3268
3269static int radio_s_hw_freq_seek(struct file *file, void *priv,
3270 const struct v4l2_hw_freq_seek *a)
3271{
3272 struct bttv_fh *fh = priv;
3273 struct bttv *btv = fh->btv;
3274
3275 if (btv->has_tea575x)
3276 return snd_tea575x_s_hw_freq_seek(file, &btv->tea, a);
3277
3278 return -ENOTTY;
3279}
3280
3281static int radio_enum_freq_bands(struct file *file, void *priv,
3282 struct v4l2_frequency_band *band)
3283{
3284 struct bttv_fh *fh = priv;
3285 struct bttv *btv = fh->btv;
3286
3287 if (btv->has_tea575x)
3288 return snd_tea575x_enum_freq_bands(&btv->tea, band);
3289
3290 return -ENOTTY;
3291}
3292
3293static ssize_t radio_read(struct file *file, char __user *data,
3294 size_t count, loff_t *ppos)
3295{
3296 struct bttv_fh *fh = file->private_data;
3297 struct bttv *btv = fh->btv;
3298 struct saa6588_command cmd;
3299
3300 cmd.block_count = count / 3;
3301 cmd.nonblocking = file->f_flags & O_NONBLOCK;
3302 cmd.buffer = data;
3303 cmd.instance = file;
3304 cmd.result = -ENODEV;
3305 radio_enable(btv);
3306
3307 bttv_call_all(btv, core, ioctl, SAA6588_CMD_READ, &cmd);
3308
3309 return cmd.result;
3310}
3311
3312static unsigned int radio_poll(struct file *file, poll_table *wait)
3313{
3314 struct bttv_fh *fh = file->private_data;
3315 struct bttv *btv = fh->btv;
3316 unsigned long req_events = poll_requested_events(wait);
3317 struct saa6588_command cmd;
3318 unsigned int res = 0;
3319
3320 if (v4l2_event_pending(&fh->fh))
3321 res = POLLPRI;
3322 else if (req_events & POLLPRI)
3323 poll_wait(file, &fh->fh.wait, wait);
3324 radio_enable(btv);
3325 cmd.instance = file;
3326 cmd.event_list = wait;
3327 cmd.result = res;
3328 bttv_call_all(btv, core, ioctl, SAA6588_CMD_POLL, &cmd);
3329
3330 return cmd.result;
3331}
3332
3333static const struct v4l2_file_operations radio_fops =
3334{
3335 .owner = THIS_MODULE,
3336 .open = radio_open,
3337 .read = radio_read,
3338 .release = radio_release,
3339 .unlocked_ioctl = video_ioctl2,
3340 .poll = radio_poll,
3341};
3342
3343static const struct v4l2_ioctl_ops radio_ioctl_ops = {
3344 .vidioc_querycap = bttv_querycap,
3345 .vidioc_log_status = bttv_log_status,
3346 .vidioc_g_tuner = radio_g_tuner,
3347 .vidioc_s_tuner = radio_s_tuner,
3348 .vidioc_g_frequency = bttv_g_frequency,
3349 .vidioc_s_frequency = bttv_s_frequency,
3350 .vidioc_s_hw_freq_seek = radio_s_hw_freq_seek,
3351 .vidioc_enum_freq_bands = radio_enum_freq_bands,
3352 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
3353 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
3354};
3355
3356static struct video_device radio_template = {
3357 .fops = &radio_fops,
3358 .ioctl_ops = &radio_ioctl_ops,
3359};
3360
3361
3362
3363
3364static int bttv_risc_decode(u32 risc)
3365{
3366 static char *instr[16] = {
3367 [ BT848_RISC_WRITE >> 28 ] = "write",
3368 [ BT848_RISC_SKIP >> 28 ] = "skip",
3369 [ BT848_RISC_WRITEC >> 28 ] = "writec",
3370 [ BT848_RISC_JUMP >> 28 ] = "jump",
3371 [ BT848_RISC_SYNC >> 28 ] = "sync",
3372 [ BT848_RISC_WRITE123 >> 28 ] = "write123",
3373 [ BT848_RISC_SKIP123 >> 28 ] = "skip123",
3374 [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23",
3375 };
3376 static int incr[16] = {
3377 [ BT848_RISC_WRITE >> 28 ] = 2,
3378 [ BT848_RISC_JUMP >> 28 ] = 2,
3379 [ BT848_RISC_SYNC >> 28 ] = 2,
3380 [ BT848_RISC_WRITE123 >> 28 ] = 5,
3381 [ BT848_RISC_SKIP123 >> 28 ] = 2,
3382 [ BT848_RISC_WRITE1S23 >> 28 ] = 3,
3383 };
3384 static char *bits[] = {
3385 "be0", "be1", "be2", "be3/resync",
3386 "set0", "set1", "set2", "set3",
3387 "clr0", "clr1", "clr2", "clr3",
3388 "irq", "res", "eol", "sol",
3389 };
3390 int i;
3391
3392 pr_cont("0x%08x [ %s", risc,
3393 instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
3394 for (i = ARRAY_SIZE(bits)-1; i >= 0; i--)
3395 if (risc & (1 << (i + 12)))
3396 pr_cont(" %s", bits[i]);
3397 pr_cont(" count=%d ]\n", risc & 0xfff);
3398 return incr[risc >> 28] ? incr[risc >> 28] : 1;
3399}
3400
3401static void bttv_risc_disasm(struct bttv *btv,
3402 struct btcx_riscmem *risc)
3403{
3404 unsigned int i,j,n;
3405
3406 pr_info("%s: risc disasm: %p [dma=0x%08lx]\n",
3407 btv->c.v4l2_dev.name, risc->cpu, (unsigned long)risc->dma);
3408 for (i = 0; i < (risc->size >> 2); i += n) {
3409 pr_info("%s: 0x%lx: ",
3410 btv->c.v4l2_dev.name,
3411 (unsigned long)(risc->dma + (i<<2)));
3412 n = bttv_risc_decode(le32_to_cpu(risc->cpu[i]));
3413 for (j = 1; j < n; j++)
3414 pr_info("%s: 0x%lx: 0x%08x [ arg #%d ]\n",
3415 btv->c.v4l2_dev.name,
3416 (unsigned long)(risc->dma + ((i+j)<<2)),
3417 risc->cpu[i+j], j);
3418 if (0 == risc->cpu[i])
3419 break;
3420 }
3421}
3422
3423static void bttv_print_riscaddr(struct bttv *btv)
3424{
3425 pr_info(" main: %08llx\n", (unsigned long long)btv->main.dma);
3426 pr_info(" vbi : o=%08llx e=%08llx\n",
3427 btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0,
3428 btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0);
3429 pr_info(" cap : o=%08llx e=%08llx\n",
3430 btv->curr.top
3431 ? (unsigned long long)btv->curr.top->top.dma : 0,
3432 btv->curr.bottom
3433 ? (unsigned long long)btv->curr.bottom->bottom.dma : 0);
3434 pr_info(" scr : o=%08llx e=%08llx\n",
3435 btv->screen ? (unsigned long long)btv->screen->top.dma : 0,
3436 btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0);
3437 bttv_risc_disasm(btv, &btv->main);
3438}
3439
3440
3441
3442
3443static char *irq_name[] = {
3444 "FMTCHG",
3445 "VSYNC",
3446 "HSYNC",
3447 "OFLOW",
3448 "HLOCK",
3449 "VPRES",
3450 "6", "7",
3451 "I2CDONE",
3452 "GPINT",
3453 "10",
3454 "RISCI",
3455 "FBUS",
3456 "FTRGT",
3457 "FDSR",
3458 "PPERR",
3459 "RIPERR",
3460 "PABORT",
3461 "OCERR",
3462 "SCERR",
3463};
3464
3465static void bttv_print_irqbits(u32 print, u32 mark)
3466{
3467 unsigned int i;
3468
3469 pr_cont("bits:");
3470 for (i = 0; i < ARRAY_SIZE(irq_name); i++) {
3471 if (print & (1 << i))
3472 pr_cont(" %s", irq_name[i]);
3473 if (mark & (1 << i))
3474 pr_cont("*");
3475 }
3476}
3477
3478static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc)
3479{
3480 pr_warn("%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n",
3481 btv->c.nr,
3482 (unsigned long)btv->main.dma,
3483 (unsigned long)le32_to_cpu(btv->main.cpu[RISC_SLOT_O_VBI+1]),
3484 (unsigned long)le32_to_cpu(btv->main.cpu[RISC_SLOT_O_FIELD+1]),
3485 (unsigned long)rc);
3486
3487 if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) {
3488 pr_notice("%d: Oh, there (temporarily?) is no input signal. "
3489 "Ok, then this is harmless, don't worry ;)\n",
3490 btv->c.nr);
3491 return;
3492 }
3493 pr_notice("%d: Uhm. Looks like we have unusual high IRQ latencies\n",
3494 btv->c.nr);
3495 pr_notice("%d: Lets try to catch the culpit red-handed ...\n",
3496 btv->c.nr);
3497 dump_stack();
3498}
3499
3500static int
3501bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set)
3502{
3503 struct bttv_buffer *item;
3504
3505 memset(set,0,sizeof(*set));
3506
3507
3508 if (!list_empty(&btv->capture)) {
3509 set->frame_irq = 1;
3510 item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
3511 if (V4L2_FIELD_HAS_TOP(item->vb.field))
3512 set->top = item;
3513 if (V4L2_FIELD_HAS_BOTTOM(item->vb.field))
3514 set->bottom = item;
3515
3516
3517 if (!V4L2_FIELD_HAS_BOTH(item->vb.field) &&
3518 (item->vb.queue.next != &btv->capture)) {
3519 item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue);
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547 if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) {
3548 if (NULL == set->bottom &&
3549 V4L2_FIELD_BOTTOM == item->vb.field) {
3550 set->bottom = item;
3551 }
3552 if (NULL != set->top && NULL != set->bottom)
3553 set->top_irq = 2;
3554 }
3555 }
3556 }
3557
3558
3559 if (NULL != btv->screen) {
3560 if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) {
3561 if (NULL == set->top && NULL == set->bottom) {
3562 set->top = btv->screen;
3563 set->bottom = btv->screen;
3564 }
3565 } else {
3566 if (V4L2_FIELD_TOP == btv->screen->vb.field &&
3567 NULL == set->top) {
3568 set->top = btv->screen;
3569 }
3570 if (V4L2_FIELD_BOTTOM == btv->screen->vb.field &&
3571 NULL == set->bottom) {
3572 set->bottom = btv->screen;
3573 }
3574 }
3575 }
3576
3577 dprintk("%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n",
3578 btv->c.nr, set->top, set->bottom,
3579 btv->screen, set->frame_irq, set->top_irq);
3580 return 0;
3581}
3582
3583static void
3584bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup,
3585 struct bttv_buffer_set *curr, unsigned int state)
3586{
3587 struct timeval ts;
3588
3589 v4l2_get_timestamp(&ts);
3590
3591 if (wakeup->top == wakeup->bottom) {
3592 if (NULL != wakeup->top && curr->top != wakeup->top) {
3593 if (irq_debug > 1)
3594 pr_debug("%d: wakeup: both=%p\n",
3595 btv->c.nr, wakeup->top);
3596 wakeup->top->vb.ts = ts;
3597 wakeup->top->vb.field_count = btv->field_count;
3598 wakeup->top->vb.state = state;
3599 wake_up(&wakeup->top->vb.done);
3600 }
3601 } else {
3602 if (NULL != wakeup->top && curr->top != wakeup->top) {
3603 if (irq_debug > 1)
3604 pr_debug("%d: wakeup: top=%p\n",
3605 btv->c.nr, wakeup->top);
3606 wakeup->top->vb.ts = ts;
3607 wakeup->top->vb.field_count = btv->field_count;
3608 wakeup->top->vb.state = state;
3609 wake_up(&wakeup->top->vb.done);
3610 }
3611 if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) {
3612 if (irq_debug > 1)
3613 pr_debug("%d: wakeup: bottom=%p\n",
3614 btv->c.nr, wakeup->bottom);
3615 wakeup->bottom->vb.ts = ts;
3616 wakeup->bottom->vb.field_count = btv->field_count;
3617 wakeup->bottom->vb.state = state;
3618 wake_up(&wakeup->bottom->vb.done);
3619 }
3620 }
3621}
3622
3623static void
3624bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup,
3625 unsigned int state)
3626{
3627 struct timeval ts;
3628
3629 if (NULL == wakeup)
3630 return;
3631
3632 v4l2_get_timestamp(&ts);
3633 wakeup->vb.ts = ts;
3634 wakeup->vb.field_count = btv->field_count;
3635 wakeup->vb.state = state;
3636 wake_up(&wakeup->vb.done);
3637}
3638
3639static void bttv_irq_timeout(unsigned long data)
3640{
3641 struct bttv *btv = (struct bttv *)data;
3642 struct bttv_buffer_set old,new;
3643 struct bttv_buffer *ovbi;
3644 struct bttv_buffer *item;
3645 unsigned long flags;
3646
3647 if (bttv_verbose) {
3648 pr_info("%d: timeout: drop=%d irq=%d/%d, risc=%08x, ",
3649 btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total,
3650 btread(BT848_RISC_COUNT));
3651 bttv_print_irqbits(btread(BT848_INT_STAT),0);
3652 pr_cont("\n");
3653 }
3654
3655 spin_lock_irqsave(&btv->s_lock,flags);
3656
3657
3658 memset(&new,0,sizeof(new));
3659 old = btv->curr;
3660 ovbi = btv->cvbi;
3661 btv->curr = new;
3662 btv->cvbi = NULL;
3663 btv->loop_irq = 0;
3664 bttv_buffer_activate_video(btv, &new);
3665 bttv_buffer_activate_vbi(btv, NULL);
3666 bttv_set_dma(btv, 0);
3667
3668
3669 bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_ERROR);
3670 bttv_irq_wakeup_vbi(btv, ovbi, VIDEOBUF_ERROR);
3671
3672
3673 while (!list_empty(&btv->capture)) {
3674 item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
3675 list_del(&item->vb.queue);
3676 item->vb.state = VIDEOBUF_ERROR;
3677 wake_up(&item->vb.done);
3678 }
3679 while (!list_empty(&btv->vcapture)) {
3680 item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
3681 list_del(&item->vb.queue);
3682 item->vb.state = VIDEOBUF_ERROR;
3683 wake_up(&item->vb.done);
3684 }
3685
3686 btv->errors++;
3687 spin_unlock_irqrestore(&btv->s_lock,flags);
3688}
3689
3690static void
3691bttv_irq_wakeup_top(struct bttv *btv)
3692{
3693 struct bttv_buffer *wakeup = btv->curr.top;
3694
3695 if (NULL == wakeup)
3696 return;
3697
3698 spin_lock(&btv->s_lock);
3699 btv->curr.top_irq = 0;
3700 btv->curr.top = NULL;
3701 bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0);
3702
3703 v4l2_get_timestamp(&wakeup->vb.ts);
3704 wakeup->vb.field_count = btv->field_count;
3705 wakeup->vb.state = VIDEOBUF_DONE;
3706 wake_up(&wakeup->vb.done);
3707 spin_unlock(&btv->s_lock);
3708}
3709
3710static inline int is_active(struct btcx_riscmem *risc, u32 rc)
3711{
3712 if (rc < risc->dma)
3713 return 0;
3714 if (rc > risc->dma + risc->size)
3715 return 0;
3716 return 1;
3717}
3718
3719static void
3720bttv_irq_switch_video(struct bttv *btv)
3721{
3722 struct bttv_buffer_set new;
3723 struct bttv_buffer_set old;
3724 dma_addr_t rc;
3725
3726 spin_lock(&btv->s_lock);
3727
3728
3729 bttv_irq_next_video(btv, &new);
3730 rc = btread(BT848_RISC_COUNT);
3731 if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) ||
3732 (btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) {
3733 btv->framedrop++;
3734 if (debug_latency)
3735 bttv_irq_debug_low_latency(btv, rc);
3736 spin_unlock(&btv->s_lock);
3737 return;
3738 }
3739
3740
3741 old = btv->curr;
3742 btv->curr = new;
3743 btv->loop_irq &= ~1;
3744 bttv_buffer_activate_video(btv, &new);
3745 bttv_set_dma(btv, 0);
3746
3747
3748 if (UNSET != btv->new_input) {
3749 video_mux(btv,btv->new_input);
3750 btv->new_input = UNSET;
3751 }
3752
3753
3754 bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_DONE);
3755 spin_unlock(&btv->s_lock);
3756}
3757
3758static void
3759bttv_irq_switch_vbi(struct bttv *btv)
3760{
3761 struct bttv_buffer *new = NULL;
3762 struct bttv_buffer *old;
3763 u32 rc;
3764
3765 spin_lock(&btv->s_lock);
3766
3767 if (!list_empty(&btv->vcapture))
3768 new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
3769 old = btv->cvbi;
3770
3771 rc = btread(BT848_RISC_COUNT);
3772 if (NULL != old && (is_active(&old->top, rc) ||
3773 is_active(&old->bottom, rc))) {
3774 btv->framedrop++;
3775 if (debug_latency)
3776 bttv_irq_debug_low_latency(btv, rc);
3777 spin_unlock(&btv->s_lock);
3778 return;
3779 }
3780
3781
3782 btv->cvbi = new;
3783 btv->loop_irq &= ~4;
3784 bttv_buffer_activate_vbi(btv, new);
3785 bttv_set_dma(btv, 0);
3786
3787 bttv_irq_wakeup_vbi(btv, old, VIDEOBUF_DONE);
3788 spin_unlock(&btv->s_lock);
3789}
3790
3791static irqreturn_t bttv_irq(int irq, void *dev_id)
3792{
3793 u32 stat,astat;
3794 u32 dstat;
3795 int count;
3796 struct bttv *btv;
3797 int handled = 0;
3798
3799 btv=(struct bttv *)dev_id;
3800
3801 count=0;
3802 while (1) {
3803
3804 stat=btread(BT848_INT_STAT);
3805 astat=stat&btread(BT848_INT_MASK);
3806 if (!astat)
3807 break;
3808 handled = 1;
3809 btwrite(stat,BT848_INT_STAT);
3810
3811
3812 dstat=btread(BT848_DSTATUS);
3813
3814 if (irq_debug) {
3815 pr_debug("%d: irq loop=%d fc=%d riscs=%x, riscc=%08x, ",
3816 btv->c.nr, count, btv->field_count,
3817 stat>>28, btread(BT848_RISC_COUNT));
3818 bttv_print_irqbits(stat,astat);
3819 if (stat & BT848_INT_HLOCK)
3820 pr_cont(" HLOC => %s",
3821 dstat & BT848_DSTATUS_HLOC
3822 ? "yes" : "no");
3823 if (stat & BT848_INT_VPRES)
3824 pr_cont(" PRES => %s",
3825 dstat & BT848_DSTATUS_PRES
3826 ? "yes" : "no");
3827 if (stat & BT848_INT_FMTCHG)
3828 pr_cont(" NUML => %s",
3829 dstat & BT848_DSTATUS_NUML
3830 ? "625" : "525");
3831 pr_cont("\n");
3832 }
3833
3834 if (astat&BT848_INT_VSYNC)
3835 btv->field_count++;
3836
3837 if ((astat & BT848_INT_GPINT) && btv->remote) {
3838 bttv_input_irq(btv);
3839 }
3840
3841 if (astat & BT848_INT_I2CDONE) {
3842 btv->i2c_done = stat;
3843 wake_up(&btv->i2c_queue);
3844 }
3845
3846 if ((astat & BT848_INT_RISCI) && (stat & (4<<28)))
3847 bttv_irq_switch_vbi(btv);
3848
3849 if ((astat & BT848_INT_RISCI) && (stat & (2<<28)))
3850 bttv_irq_wakeup_top(btv);
3851
3852 if ((astat & BT848_INT_RISCI) && (stat & (1<<28)))
3853 bttv_irq_switch_video(btv);
3854
3855 if ((astat & BT848_INT_HLOCK) && btv->opt_automute)
3856
3857 audio_mux_gpio(btv, btv->audio_input, btv->mute);
3858
3859 if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) {
3860 pr_info("%d: %s%s @ %08x,",
3861 btv->c.nr,
3862 (astat & BT848_INT_SCERR) ? "SCERR" : "",
3863 (astat & BT848_INT_OCERR) ? "OCERR" : "",
3864 btread(BT848_RISC_COUNT));
3865 bttv_print_irqbits(stat,astat);
3866 pr_cont("\n");
3867 if (bttv_debug)
3868 bttv_print_riscaddr(btv);
3869 }
3870 if (fdsr && astat & BT848_INT_FDSR) {
3871 pr_info("%d: FDSR @ %08x\n",
3872 btv->c.nr, btread(BT848_RISC_COUNT));
3873 if (bttv_debug)
3874 bttv_print_riscaddr(btv);
3875 }
3876
3877 count++;
3878 if (count > 4) {
3879
3880 if (count > 8 || !(astat & BT848_INT_GPINT)) {
3881 btwrite(0, BT848_INT_MASK);
3882
3883 pr_err("%d: IRQ lockup, cleared int mask [",
3884 btv->c.nr);
3885 } else {
3886 pr_err("%d: IRQ lockup, clearing GPINT from int mask [",
3887 btv->c.nr);
3888
3889 btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT),
3890 BT848_INT_MASK);
3891 }
3892
3893 bttv_print_irqbits(stat,astat);
3894
3895 pr_cont("]\n");
3896 }
3897 }
3898 btv->irq_total++;
3899 if (handled)
3900 btv->irq_me++;
3901 return IRQ_RETVAL(handled);
3902}
3903
3904
3905
3906
3907
3908static void vdev_init(struct bttv *btv,
3909 struct video_device *vfd,
3910 const struct video_device *template,
3911 const char *type_name)
3912{
3913 *vfd = *template;
3914 vfd->v4l2_dev = &btv->c.v4l2_dev;
3915 vfd->release = video_device_release_empty;
3916 video_set_drvdata(vfd, btv);
3917 snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)",
3918 btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "",
3919 type_name, bttv_tvcards[btv->c.type].name);
3920 if (btv->tuner_type == TUNER_ABSENT) {
3921 v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY);
3922 v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY);
3923 v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
3924 v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER);
3925 }
3926}
3927
3928static void bttv_unregister_video(struct bttv *btv)
3929{
3930 video_unregister_device(&btv->video_dev);
3931 video_unregister_device(&btv->vbi_dev);
3932 video_unregister_device(&btv->radio_dev);
3933}
3934
3935
3936static int bttv_register_video(struct bttv *btv)
3937{
3938 if (no_overlay > 0)
3939 pr_notice("Overlay support disabled\n");
3940
3941
3942 vdev_init(btv, &btv->video_dev, &bttv_video_template, "video");
3943
3944 if (video_register_device(&btv->video_dev, VFL_TYPE_GRABBER,
3945 video_nr[btv->c.nr]) < 0)
3946 goto err;
3947 pr_info("%d: registered device %s\n",
3948 btv->c.nr, video_device_node_name(&btv->video_dev));
3949 if (device_create_file(&btv->video_dev.dev,
3950 &dev_attr_card)<0) {
3951 pr_err("%d: device_create_file 'card' failed\n", btv->c.nr);
3952 goto err;
3953 }
3954
3955
3956 vdev_init(btv, &btv->vbi_dev, &bttv_video_template, "vbi");
3957
3958 if (video_register_device(&btv->vbi_dev, VFL_TYPE_VBI,
3959 vbi_nr[btv->c.nr]) < 0)
3960 goto err;
3961 pr_info("%d: registered device %s\n",
3962 btv->c.nr, video_device_node_name(&btv->vbi_dev));
3963
3964 if (!btv->has_radio)
3965 return 0;
3966
3967 vdev_init(btv, &btv->radio_dev, &radio_template, "radio");
3968 btv->radio_dev.ctrl_handler = &btv->radio_ctrl_handler;
3969 if (video_register_device(&btv->radio_dev, VFL_TYPE_RADIO,
3970 radio_nr[btv->c.nr]) < 0)
3971 goto err;
3972 pr_info("%d: registered device %s\n",
3973 btv->c.nr, video_device_node_name(&btv->radio_dev));
3974
3975
3976 return 0;
3977
3978 err:
3979 bttv_unregister_video(btv);
3980 return -1;
3981}
3982
3983
3984
3985
3986static void pci_set_command(struct pci_dev *dev)
3987{
3988#if defined(__powerpc__)
3989 unsigned int cmd;
3990
3991 pci_read_config_dword(dev, PCI_COMMAND, &cmd);
3992 cmd = (cmd | PCI_COMMAND_MEMORY );
3993 pci_write_config_dword(dev, PCI_COMMAND, cmd);
3994#endif
3995}
3996
3997static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
3998{
3999 struct v4l2_frequency init_freq = {
4000 .tuner = 0,
4001 .type = V4L2_TUNER_ANALOG_TV,
4002 .frequency = 980,
4003 };
4004 int result;
4005 unsigned char lat;
4006 struct bttv *btv;
4007 struct v4l2_ctrl_handler *hdl;
4008
4009 if (bttv_num == BTTV_MAX)
4010 return -ENOMEM;
4011 pr_info("Bt8xx card found (%d)\n", bttv_num);
4012 bttvs[bttv_num] = btv = kzalloc(sizeof(*btv), GFP_KERNEL);
4013 if (btv == NULL) {
4014 pr_err("out of memory\n");
4015 return -ENOMEM;
4016 }
4017 btv->c.nr = bttv_num;
4018 snprintf(btv->c.v4l2_dev.name, sizeof(btv->c.v4l2_dev.name),
4019 "bttv%d", btv->c.nr);
4020
4021
4022 mutex_init(&btv->lock);
4023 spin_lock_init(&btv->s_lock);
4024 spin_lock_init(&btv->gpio_lock);
4025 init_waitqueue_head(&btv->i2c_queue);
4026 INIT_LIST_HEAD(&btv->c.subs);
4027 INIT_LIST_HEAD(&btv->capture);
4028 INIT_LIST_HEAD(&btv->vcapture);
4029
4030 init_timer(&btv->timeout);
4031 btv->timeout.function = bttv_irq_timeout;
4032 btv->timeout.data = (unsigned long)btv;
4033
4034 btv->i2c_rc = -1;
4035 btv->tuner_type = UNSET;
4036 btv->new_input = UNSET;
4037 btv->has_radio=radio[btv->c.nr];
4038
4039
4040 btv->c.pci = dev;
4041 btv->id = dev->device;
4042 if (pci_enable_device(dev)) {
4043 pr_warn("%d: Can't enable device\n", btv->c.nr);
4044 return -EIO;
4045 }
4046 if (pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
4047 pr_warn("%d: No suitable DMA available\n", btv->c.nr);
4048 return -EIO;
4049 }
4050 if (!request_mem_region(pci_resource_start(dev,0),
4051 pci_resource_len(dev,0),
4052 btv->c.v4l2_dev.name)) {
4053 pr_warn("%d: can't request iomem (0x%llx)\n",
4054 btv->c.nr,
4055 (unsigned long long)pci_resource_start(dev, 0));
4056 return -EBUSY;
4057 }
4058 pci_set_master(dev);
4059 pci_set_command(dev);
4060
4061 result = v4l2_device_register(&dev->dev, &btv->c.v4l2_dev);
4062 if (result < 0) {
4063 pr_warn("%d: v4l2_device_register() failed\n", btv->c.nr);
4064 goto fail0;
4065 }
4066 hdl = &btv->ctrl_handler;
4067 v4l2_ctrl_handler_init(hdl, 20);
4068 btv->c.v4l2_dev.ctrl_handler = hdl;
4069 v4l2_ctrl_handler_init(&btv->radio_ctrl_handler, 6);
4070
4071 btv->revision = dev->revision;
4072 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
4073 pr_info("%d: Bt%d (rev %d) at %s, irq: %d, latency: %d, mmio: 0x%llx\n",
4074 bttv_num, btv->id, btv->revision, pci_name(dev),
4075 btv->c.pci->irq, lat,
4076 (unsigned long long)pci_resource_start(dev, 0));
4077 schedule();
4078
4079 btv->bt848_mmio = ioremap(pci_resource_start(dev, 0), 0x1000);
4080 if (NULL == btv->bt848_mmio) {
4081 pr_err("%d: ioremap() failed\n", btv->c.nr);
4082 result = -EIO;
4083 goto fail1;
4084 }
4085
4086
4087 bttv_idcard(btv);
4088
4089
4090 btwrite(0, BT848_INT_MASK);
4091 result = request_irq(btv->c.pci->irq, bttv_irq,
4092 IRQF_SHARED, btv->c.v4l2_dev.name, (void *)btv);
4093 if (result < 0) {
4094 pr_err("%d: can't get IRQ %d\n",
4095 bttv_num, btv->c.pci->irq);
4096 goto fail1;
4097 }
4098
4099 if (0 != bttv_handle_chipset(btv)) {
4100 result = -EIO;
4101 goto fail2;
4102 }
4103
4104
4105 btv->opt_combfilter = combfilter;
4106 bttv_ctrl_combfilter.def = combfilter;
4107 bttv_ctrl_lumafilter.def = lumafilter;
4108 btv->opt_automute = automute;
4109 bttv_ctrl_automute.def = automute;
4110 bttv_ctrl_agc_crush.def = agc_crush;
4111 btv->opt_vcr_hack = vcr_hack;
4112 bttv_ctrl_vcr_hack.def = vcr_hack;
4113 bttv_ctrl_whitecrush_upper.def = whitecrush_upper;
4114 bttv_ctrl_whitecrush_lower.def = whitecrush_lower;
4115 btv->opt_uv_ratio = uv_ratio;
4116 bttv_ctrl_uv_ratio.def = uv_ratio;
4117 bttv_ctrl_full_luma.def = full_luma_range;
4118 bttv_ctrl_coring.def = coring;
4119
4120
4121 btv->init.btv = btv;
4122 btv->init.ov.w.width = 320;
4123 btv->init.ov.w.height = 240;
4124 btv->init.fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
4125 btv->init.width = 320;
4126 btv->init.height = 240;
4127 btv->init.ov.w.width = 320;
4128 btv->init.ov.w.height = 240;
4129 btv->init.ov.field = V4L2_FIELD_INTERLACED;
4130 btv->input = 0;
4131
4132 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4133 V4L2_CID_BRIGHTNESS, 0, 0xff00, 0x100, 32768);
4134 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4135 V4L2_CID_CONTRAST, 0, 0xff80, 0x80, 0x6c00);
4136 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4137 V4L2_CID_SATURATION, 0, 0xff80, 0x80, 32768);
4138 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4139 V4L2_CID_COLOR_KILLER, 0, 1, 1, 0);
4140 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4141 V4L2_CID_HUE, 0, 0xff00, 0x100, 32768);
4142 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4143 V4L2_CID_CHROMA_AGC, 0, 1, 1, !!chroma_agc);
4144 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4145 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
4146 if (btv->volume_gpio)
4147 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4148 V4L2_CID_AUDIO_VOLUME, 0, 0xff00, 0x100, 0xff00);
4149 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_combfilter, NULL);
4150 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_automute, NULL);
4151 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_lumafilter, NULL);
4152 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_agc_crush, NULL);
4153 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_vcr_hack, NULL);
4154 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_whitecrush_lower, NULL);
4155 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_whitecrush_upper, NULL);
4156 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_uv_ratio, NULL);
4157 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_full_luma, NULL);
4158 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_coring, NULL);
4159
4160
4161 if (bttv_gpio)
4162 bttv_gpio_tracking(btv,"pre-init");
4163
4164 bttv_risc_init_main(btv);
4165 init_bt848(btv);
4166
4167
4168 btwrite(0x00, BT848_GPIO_REG_INP);
4169 btwrite(0x00, BT848_GPIO_OUT_EN);
4170 if (bttv_verbose)
4171 bttv_gpio_tracking(btv,"init");
4172
4173
4174 bttv_init_card1(btv);
4175
4176
4177 init_bttv_i2c(btv);
4178
4179
4180 bttv_init_card2(btv);
4181 bttv_init_tuner(btv);
4182 if (btv->tuner_type != TUNER_ABSENT) {
4183 bttv_set_frequency(btv, &init_freq);
4184 btv->radio_freq = 90500 * 16;
4185 }
4186 btv->std = V4L2_STD_PAL;
4187 init_irqreg(btv);
4188 if (!bttv_tvcards[btv->c.type].no_video)
4189 v4l2_ctrl_handler_setup(hdl);
4190 if (hdl->error) {
4191 result = hdl->error;
4192 goto fail2;
4193 }
4194
4195 audio_mute(btv, 1);
4196
4197
4198 if (!bttv_tvcards[btv->c.type].no_video) {
4199 v4l2_ctrl_add_handler(&btv->radio_ctrl_handler, hdl,
4200 v4l2_ctrl_radio_filter);
4201 if (btv->radio_ctrl_handler.error) {
4202 result = btv->radio_ctrl_handler.error;
4203 goto fail2;
4204 }
4205 set_input(btv, 0, btv->tvnorm);
4206 bttv_crop_reset(&btv->crop[0], btv->tvnorm);
4207 btv->crop[1] = btv->crop[0];
4208 disclaim_vbi_lines(btv);
4209 disclaim_video_lines(btv);
4210 bttv_register_video(btv);
4211 }
4212
4213
4214 if (bttv_tvcards[btv->c.type].has_dvb) {
4215 bttv_sub_add_device(&btv->c, "dvb");
4216 request_modules(btv);
4217 }
4218
4219 if (!disable_ir) {
4220 init_bttv_i2c_ir(btv);
4221 bttv_input_init(btv);
4222 }
4223
4224
4225 bttv_num++;
4226 return 0;
4227
4228fail2:
4229 free_irq(btv->c.pci->irq,btv);
4230
4231fail1:
4232 v4l2_ctrl_handler_free(&btv->ctrl_handler);
4233 v4l2_ctrl_handler_free(&btv->radio_ctrl_handler);
4234 v4l2_device_unregister(&btv->c.v4l2_dev);
4235
4236fail0:
4237 if (btv->bt848_mmio)
4238 iounmap(btv->bt848_mmio);
4239 release_mem_region(pci_resource_start(btv->c.pci,0),
4240 pci_resource_len(btv->c.pci,0));
4241 return result;
4242}
4243
4244static void bttv_remove(struct pci_dev *pci_dev)
4245{
4246 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
4247 struct bttv *btv = to_bttv(v4l2_dev);
4248
4249 if (bttv_verbose)
4250 pr_info("%d: unloading\n", btv->c.nr);
4251
4252 if (bttv_tvcards[btv->c.type].has_dvb)
4253 flush_request_modules(btv);
4254
4255
4256 btand(~15, BT848_GPIO_DMA_CTL);
4257 btwrite(0, BT848_INT_MASK);
4258 btwrite(~0x0, BT848_INT_STAT);
4259 btwrite(0x0, BT848_GPIO_OUT_EN);
4260 if (bttv_gpio)
4261 bttv_gpio_tracking(btv,"cleanup");
4262
4263
4264 btv->shutdown=1;
4265 bttv_input_fini(btv);
4266 bttv_sub_del_devices(&btv->c);
4267
4268
4269 fini_bttv_i2c(btv);
4270
4271
4272 bttv_unregister_video(btv);
4273
4274
4275 v4l2_ctrl_handler_free(&btv->ctrl_handler);
4276 v4l2_ctrl_handler_free(&btv->radio_ctrl_handler);
4277 btcx_riscmem_free(btv->c.pci,&btv->main);
4278
4279
4280 free_irq(btv->c.pci->irq,btv);
4281 iounmap(btv->bt848_mmio);
4282 release_mem_region(pci_resource_start(btv->c.pci,0),
4283 pci_resource_len(btv->c.pci,0));
4284
4285 v4l2_device_unregister(&btv->c.v4l2_dev);
4286 bttvs[btv->c.nr] = NULL;
4287 kfree(btv);
4288
4289 return;
4290}
4291
4292#ifdef CONFIG_PM
4293static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state)
4294{
4295 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
4296 struct bttv *btv = to_bttv(v4l2_dev);
4297 struct bttv_buffer_set idle;
4298 unsigned long flags;
4299
4300 dprintk("%d: suspend %d\n", btv->c.nr, state.event);
4301
4302
4303 spin_lock_irqsave(&btv->s_lock,flags);
4304 memset(&idle, 0, sizeof(idle));
4305 btv->state.video = btv->curr;
4306 btv->state.vbi = btv->cvbi;
4307 btv->state.loop_irq = btv->loop_irq;
4308 btv->curr = idle;
4309 btv->loop_irq = 0;
4310 bttv_buffer_activate_video(btv, &idle);
4311 bttv_buffer_activate_vbi(btv, NULL);
4312 bttv_set_dma(btv, 0);
4313 btwrite(0, BT848_INT_MASK);
4314 spin_unlock_irqrestore(&btv->s_lock,flags);
4315
4316
4317 btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN);
4318 btv->state.gpio_data = gpio_read();
4319
4320
4321 pci_save_state(pci_dev);
4322 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
4323 pci_disable_device(pci_dev);
4324 btv->state.disabled = 1;
4325 }
4326 return 0;
4327}
4328
4329static int bttv_resume(struct pci_dev *pci_dev)
4330{
4331 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
4332 struct bttv *btv = to_bttv(v4l2_dev);
4333 unsigned long flags;
4334 int err;
4335
4336 dprintk("%d: resume\n", btv->c.nr);
4337
4338
4339 if (btv->state.disabled) {
4340 err=pci_enable_device(pci_dev);
4341 if (err) {
4342 pr_warn("%d: Can't enable device\n", btv->c.nr);
4343 return err;
4344 }
4345 btv->state.disabled = 0;
4346 }
4347 err=pci_set_power_state(pci_dev, PCI_D0);
4348 if (err) {
4349 pci_disable_device(pci_dev);
4350 pr_warn("%d: Can't enable device\n", btv->c.nr);
4351 btv->state.disabled = 1;
4352 return err;
4353 }
4354
4355 pci_restore_state(pci_dev);
4356
4357
4358 bttv_reinit_bt848(btv);
4359 gpio_inout(0xffffff, btv->state.gpio_enable);
4360 gpio_write(btv->state.gpio_data);
4361
4362
4363 spin_lock_irqsave(&btv->s_lock,flags);
4364 btv->curr = btv->state.video;
4365 btv->cvbi = btv->state.vbi;
4366 btv->loop_irq = btv->state.loop_irq;
4367 bttv_buffer_activate_video(btv, &btv->curr);
4368 bttv_buffer_activate_vbi(btv, btv->cvbi);
4369 bttv_set_dma(btv, 0);
4370 spin_unlock_irqrestore(&btv->s_lock,flags);
4371 return 0;
4372}
4373#endif
4374
4375static struct pci_device_id bttv_pci_tbl[] = {
4376 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT848), 0},
4377 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT849), 0},
4378 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT878), 0},
4379 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT879), 0},
4380 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_FUSION879), 0},
4381 {0,}
4382};
4383
4384MODULE_DEVICE_TABLE(pci, bttv_pci_tbl);
4385
4386static struct pci_driver bttv_pci_driver = {
4387 .name = "bttv",
4388 .id_table = bttv_pci_tbl,
4389 .probe = bttv_probe,
4390 .remove = bttv_remove,
4391#ifdef CONFIG_PM
4392 .suspend = bttv_suspend,
4393 .resume = bttv_resume,
4394#endif
4395};
4396
4397static int __init bttv_init_module(void)
4398{
4399 int ret;
4400
4401 bttv_num = 0;
4402
4403 pr_info("driver version %s loaded\n", BTTV_VERSION);
4404 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
4405 gbuffers = 2;
4406 if (gbufsize > BTTV_MAX_FBUF)
4407 gbufsize = BTTV_MAX_FBUF;
4408 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
4409 if (bttv_verbose)
4410 pr_info("using %d buffers with %dk (%d pages) each for capture\n",
4411 gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT);
4412
4413 bttv_check_chipset();
4414
4415 ret = bus_register(&bttv_sub_bus_type);
4416 if (ret < 0) {
4417 pr_warn("bus_register error: %d\n", ret);
4418 return ret;
4419 }
4420 ret = pci_register_driver(&bttv_pci_driver);
4421 if (ret < 0)
4422 bus_unregister(&bttv_sub_bus_type);
4423
4424 return ret;
4425}
4426
4427static void __exit bttv_cleanup_module(void)
4428{
4429 pci_unregister_driver(&bttv_pci_driver);
4430 bus_unregister(&bttv_sub_bus_type);
4431}
4432
4433module_init(bttv_init_module);
4434module_exit(bttv_cleanup_module);
4435