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/v4l2-chip-ident.h>
54#include <media/tvaudio.h>
55#include <media/msp3400.h>
56
57#include <linux/dma-mapping.h>
58
59#include <asm/io.h>
60#include <asm/byteorder.h>
61
62#include <media/saa6588.h>
63
64#define BTTV_VERSION "0.9.19"
65
66unsigned int bttv_num;
67struct bttv *bttvs[BTTV_MAX];
68
69unsigned int bttv_debug;
70unsigned int bttv_verbose = 1;
71unsigned int bttv_gpio;
72
73
74#ifdef __BIG_ENDIAN
75static unsigned int bigendian=1;
76#else
77static unsigned int bigendian;
78#endif
79static unsigned int radio[BTTV_MAX];
80static unsigned int irq_debug;
81static unsigned int gbuffers = 8;
82static unsigned int gbufsize = 0x208000;
83static unsigned int reset_crop = 1;
84
85static int video_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
86static int radio_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
87static int vbi_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
88static int debug_latency;
89static int disable_ir;
90
91static unsigned int fdsr;
92
93
94static unsigned int combfilter;
95static unsigned int lumafilter;
96static unsigned int automute = 1;
97static unsigned int chroma_agc;
98static unsigned int agc_crush = 1;
99static unsigned int whitecrush_upper = 0xCF;
100static unsigned int whitecrush_lower = 0x7F;
101static unsigned int vcr_hack;
102static unsigned int irq_iswitch;
103static unsigned int uv_ratio = 50;
104static unsigned int full_luma_range;
105static unsigned int coring;
106
107
108static unsigned int v4l2 = 1;
109
110
111module_param(bttv_verbose, int, 0644);
112module_param(bttv_gpio, int, 0644);
113module_param(bttv_debug, int, 0644);
114module_param(irq_debug, int, 0644);
115module_param(debug_latency, int, 0644);
116module_param(disable_ir, int, 0444);
117
118module_param(fdsr, int, 0444);
119module_param(gbuffers, int, 0444);
120module_param(gbufsize, int, 0444);
121module_param(reset_crop, int, 0444);
122
123module_param(v4l2, int, 0644);
124module_param(bigendian, int, 0644);
125module_param(irq_iswitch, int, 0644);
126module_param(combfilter, int, 0444);
127module_param(lumafilter, int, 0444);
128module_param(automute, int, 0444);
129module_param(chroma_agc, int, 0444);
130module_param(agc_crush, int, 0444);
131module_param(whitecrush_upper, int, 0444);
132module_param(whitecrush_lower, int, 0444);
133module_param(vcr_hack, int, 0444);
134module_param(uv_ratio, int, 0444);
135module_param(full_luma_range, int, 0444);
136module_param(coring, int, 0444);
137
138module_param_array(radio, int, NULL, 0444);
139module_param_array(video_nr, int, NULL, 0444);
140module_param_array(radio_nr, int, NULL, 0444);
141module_param_array(vbi_nr, int, NULL, 0444);
142
143MODULE_PARM_DESC(radio, "The TV card supports radio, default is 0 (no)");
144MODULE_PARM_DESC(bigendian, "byte order of the framebuffer, default is native endian");
145MODULE_PARM_DESC(bttv_verbose, "verbose startup messages, default is 1 (yes)");
146MODULE_PARM_DESC(bttv_gpio, "log gpio changes, default is 0 (no)");
147MODULE_PARM_DESC(bttv_debug, "debug messages, default is 0 (no)");
148MODULE_PARM_DESC(irq_debug, "irq handler debug messages, default is 0 (no)");
149MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
150MODULE_PARM_DESC(gbuffers, "number of capture buffers. range 2-32, default 8");
151MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 0x208000");
152MODULE_PARM_DESC(reset_crop, "reset cropping parameters at open(), default "
153 "is 1 (yes) for compatibility with older applications");
154MODULE_PARM_DESC(automute, "mute audio on bad/missing video signal, default is 1 (yes)");
155MODULE_PARM_DESC(chroma_agc, "enables the AGC of chroma signal, default is 0 (no)");
156MODULE_PARM_DESC(agc_crush, "enables the luminance AGC crush, default is 1 (yes)");
157MODULE_PARM_DESC(whitecrush_upper, "sets the white crush upper value, default is 207");
158MODULE_PARM_DESC(whitecrush_lower, "sets the white crush lower value, default is 127");
159MODULE_PARM_DESC(vcr_hack, "enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)");
160MODULE_PARM_DESC(irq_iswitch, "switch inputs in irq handler");
161MODULE_PARM_DESC(uv_ratio, "ratio between u and v gains, default is 50");
162MODULE_PARM_DESC(full_luma_range, "use the full luma range, default is 0 (no)");
163MODULE_PARM_DESC(coring, "set the luma coring level, default is 0 (no)");
164MODULE_PARM_DESC(video_nr, "video device numbers");
165MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
166MODULE_PARM_DESC(radio_nr, "radio device numbers");
167
168MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards");
169MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr");
170MODULE_LICENSE("GPL");
171MODULE_VERSION(BTTV_VERSION);
172
173#define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_USER_BTTV_BASE + 0)
174#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_USER_BTTV_BASE + 1)
175#define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_USER_BTTV_BASE + 2)
176#define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_USER_BTTV_BASE + 3)
177#define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_USER_BTTV_BASE + 4)
178#define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_USER_BTTV_BASE + 5)
179#define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_USER_BTTV_BASE + 6)
180#define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_USER_BTTV_BASE + 7)
181#define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_USER_BTTV_BASE + 8)
182#define V4L2_CID_PRIVATE_CORING (V4L2_CID_USER_BTTV_BASE + 9)
183
184
185
186
187static ssize_t show_card(struct device *cd,
188 struct device_attribute *attr, char *buf)
189{
190 struct video_device *vfd = container_of(cd, struct video_device, dev);
191 struct bttv *btv = video_get_drvdata(vfd);
192 return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET);
193}
194static DEVICE_ATTR(card, S_IRUGO, show_card, NULL);
195
196
197
198#if defined(CONFIG_MODULES) && defined(MODULE)
199static void request_module_async(struct work_struct *work)
200{
201 request_module("dvb-bt8xx");
202}
203
204static void request_modules(struct bttv *dev)
205{
206 INIT_WORK(&dev->request_module_wk, request_module_async);
207 schedule_work(&dev->request_module_wk);
208}
209
210static void flush_request_modules(struct bttv *dev)
211{
212 flush_work(&dev->request_module_wk);
213}
214#else
215#define request_modules(dev)
216#define flush_request_modules(dev) do {} while(0)
217#endif
218
219
220
221
222
223
224static u8 SRAM_Table[][60] =
225{
226
227 {
228 45,
229 0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16,
230 0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00,
231 0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00,
232 0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37,
233 0x37,0x00,0xAF,0x21,0x00
234 },
235
236 {
237 51,
238 0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06,
239 0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00,
240 0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07,
241 0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6,
242 0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21,
243 0x00,
244 },
245
246
247 {
248 0x2A,
249 0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24,
250 0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10,
251 0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00,
252 0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3,
253 0x20, 0x00
254 }
255};
256
257
258
259
260
261
262
263
264
265
266
267
268
269#define CROPCAP(minhdelayx1, hdelayx1, swidth, totalwidth, sqwidth, \
270 vdelay, sheight, extraheight, videostart0) \
271 .cropcap.bounds.left = minhdelayx1, \
272 \
273 \
274 .cropcap.bounds.top = (videostart0) * 2 - (vdelay) + MIN_VDELAY, \
275 \
276 .cropcap.bounds.width = (totalwidth) - (minhdelayx1) - 4, \
277 .cropcap.bounds.height = (sheight) + (extraheight) + (vdelay) - \
278 MIN_VDELAY, \
279 .cropcap.defrect.left = hdelayx1, \
280 .cropcap.defrect.top = (videostart0) * 2, \
281 .cropcap.defrect.width = swidth, \
282 .cropcap.defrect.height = sheight, \
283 .cropcap.pixelaspect.numerator = totalwidth, \
284 .cropcap.pixelaspect.denominator = sqwidth,
285
286const struct bttv_tvnorm bttv_tvnorms[] = {
287
288
289
290 {
291 .v4l2_id = V4L2_STD_PAL,
292 .name = "PAL",
293 .Fsc = 35468950,
294 .swidth = 924,
295 .sheight = 576,
296 .totalwidth = 1135,
297 .adelay = 0x7f,
298 .bdelay = 0x72,
299 .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1),
300 .scaledtwidth = 1135,
301 .hdelayx1 = 186,
302 .hactivex1 = 924,
303 .vdelay = 0x20,
304 .vbipack = 255,
305 .sram = 0,
306
307
308
309 .vbistart = { 7, 320 },
310 CROPCAP( 68,
311 186,
312
313
314
315 924,
316 1135,
317 944,
318 0x20,
319 576,
320
321
322 2,
323 23)
324 },{
325 .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR,
326 .name = "NTSC",
327 .Fsc = 28636363,
328 .swidth = 768,
329 .sheight = 480,
330 .totalwidth = 910,
331 .adelay = 0x68,
332 .bdelay = 0x5d,
333 .iform = (BT848_IFORM_NTSC|BT848_IFORM_XT0),
334 .scaledtwidth = 910,
335 .hdelayx1 = 128,
336 .hactivex1 = 910,
337 .vdelay = 0x1a,
338 .vbipack = 144,
339 .sram = 1,
340 .vbistart = { 10, 273 },
341 CROPCAP( 68,
342 128,
343
344 768,
345 910,
346 780,
347 0x1a,
348 480,
349 0,
350 23)
351 },{
352 .v4l2_id = V4L2_STD_SECAM,
353 .name = "SECAM",
354 .Fsc = 35468950,
355 .swidth = 924,
356 .sheight = 576,
357 .totalwidth = 1135,
358 .adelay = 0x7f,
359 .bdelay = 0xb0,
360 .iform = (BT848_IFORM_SECAM|BT848_IFORM_XT1),
361 .scaledtwidth = 1135,
362 .hdelayx1 = 186,
363 .hactivex1 = 922,
364 .vdelay = 0x20,
365 .vbipack = 255,
366 .sram = 0,
367 .vbistart = { 7, 320 },
368 CROPCAP( 68,
369 186,
370 924,
371 1135,
372 944,
373 0x20,
374 576,
375 0,
376 23)
377 },{
378 .v4l2_id = V4L2_STD_PAL_Nc,
379 .name = "PAL-Nc",
380 .Fsc = 28636363,
381 .swidth = 640,
382 .sheight = 576,
383 .totalwidth = 910,
384 .adelay = 0x68,
385 .bdelay = 0x5d,
386 .iform = (BT848_IFORM_PAL_NC|BT848_IFORM_XT0),
387 .scaledtwidth = 780,
388 .hdelayx1 = 130,
389 .hactivex1 = 734,
390 .vdelay = 0x1a,
391 .vbipack = 144,
392 .sram = -1,
393 .vbistart = { 7, 320 },
394 CROPCAP( 68,
395 130,
396 (640 * 910 + 780 / 2) / 780,
397 910,
398 780,
399 0x1a,
400 576,
401 0,
402 23)
403 },{
404 .v4l2_id = V4L2_STD_PAL_M,
405 .name = "PAL-M",
406 .Fsc = 28636363,
407 .swidth = 640,
408 .sheight = 480,
409 .totalwidth = 910,
410 .adelay = 0x68,
411 .bdelay = 0x5d,
412 .iform = (BT848_IFORM_PAL_M|BT848_IFORM_XT0),
413 .scaledtwidth = 780,
414 .hdelayx1 = 135,
415 .hactivex1 = 754,
416 .vdelay = 0x1a,
417 .vbipack = 144,
418 .sram = -1,
419 .vbistart = { 10, 273 },
420 CROPCAP( 68,
421 135,
422 (640 * 910 + 780 / 2) / 780,
423 910,
424 780,
425 0x1a,
426 480,
427 0,
428 23)
429 },{
430 .v4l2_id = V4L2_STD_PAL_N,
431 .name = "PAL-N",
432 .Fsc = 35468950,
433 .swidth = 768,
434 .sheight = 576,
435 .totalwidth = 1135,
436 .adelay = 0x7f,
437 .bdelay = 0x72,
438 .iform = (BT848_IFORM_PAL_N|BT848_IFORM_XT1),
439 .scaledtwidth = 944,
440 .hdelayx1 = 186,
441 .hactivex1 = 922,
442 .vdelay = 0x20,
443 .vbipack = 144,
444 .sram = -1,
445 .vbistart = { 7, 320 },
446 CROPCAP( 68,
447 186,
448 (768 * 1135 + 944 / 2) / 944,
449 1135,
450 944,
451 0x20,
452 576,
453 0,
454 23)
455 },{
456 .v4l2_id = V4L2_STD_NTSC_M_JP,
457 .name = "NTSC-JP",
458 .Fsc = 28636363,
459 .swidth = 640,
460 .sheight = 480,
461 .totalwidth = 910,
462 .adelay = 0x68,
463 .bdelay = 0x5d,
464 .iform = (BT848_IFORM_NTSC_J|BT848_IFORM_XT0),
465 .scaledtwidth = 780,
466 .hdelayx1 = 135,
467 .hactivex1 = 754,
468 .vdelay = 0x16,
469 .vbipack = 144,
470 .sram = -1,
471 .vbistart = { 10, 273 },
472 CROPCAP( 68,
473 135,
474 (640 * 910 + 780 / 2) / 780,
475 910,
476 780,
477 0x16,
478 480,
479 0,
480 23)
481 },{
482
483
484
485 .v4l2_id = V4L2_STD_PAL_60,
486 .name = "PAL-60",
487 .Fsc = 35468950,
488 .swidth = 924,
489 .sheight = 480,
490 .totalwidth = 1135,
491 .adelay = 0x7f,
492 .bdelay = 0x72,
493 .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1),
494 .scaledtwidth = 1135,
495 .hdelayx1 = 186,
496 .hactivex1 = 924,
497 .vdelay = 0x1a,
498 .vbipack = 255,
499 .vtotal = 524,
500 .sram = -1,
501 .vbistart = { 10, 273 },
502 CROPCAP( 68,
503 186,
504 924,
505 1135,
506 944,
507 0x1a,
508 480,
509 0,
510 23)
511 }
512};
513static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms);
514
515
516
517
518static const struct bttv_format formats[] = {
519 {
520 .name = "8 bpp, gray",
521 .fourcc = V4L2_PIX_FMT_GREY,
522 .btformat = BT848_COLOR_FMT_Y8,
523 .depth = 8,
524 .flags = FORMAT_FLAGS_PACKED,
525 },{
526 .name = "8 bpp, dithered color",
527 .fourcc = V4L2_PIX_FMT_HI240,
528 .btformat = BT848_COLOR_FMT_RGB8,
529 .depth = 8,
530 .flags = FORMAT_FLAGS_PACKED | FORMAT_FLAGS_DITHER,
531 },{
532 .name = "15 bpp RGB, le",
533 .fourcc = V4L2_PIX_FMT_RGB555,
534 .btformat = BT848_COLOR_FMT_RGB15,
535 .depth = 16,
536 .flags = FORMAT_FLAGS_PACKED,
537 },{
538 .name = "15 bpp RGB, be",
539 .fourcc = V4L2_PIX_FMT_RGB555X,
540 .btformat = BT848_COLOR_FMT_RGB15,
541 .btswap = 0x03,
542 .depth = 16,
543 .flags = FORMAT_FLAGS_PACKED,
544 },{
545 .name = "16 bpp RGB, le",
546 .fourcc = V4L2_PIX_FMT_RGB565,
547 .btformat = BT848_COLOR_FMT_RGB16,
548 .depth = 16,
549 .flags = FORMAT_FLAGS_PACKED,
550 },{
551 .name = "16 bpp RGB, be",
552 .fourcc = V4L2_PIX_FMT_RGB565X,
553 .btformat = BT848_COLOR_FMT_RGB16,
554 .btswap = 0x03,
555 .depth = 16,
556 .flags = FORMAT_FLAGS_PACKED,
557 },{
558 .name = "24 bpp RGB, le",
559 .fourcc = V4L2_PIX_FMT_BGR24,
560 .btformat = BT848_COLOR_FMT_RGB24,
561 .depth = 24,
562 .flags = FORMAT_FLAGS_PACKED,
563 },{
564 .name = "32 bpp RGB, le",
565 .fourcc = V4L2_PIX_FMT_BGR32,
566 .btformat = BT848_COLOR_FMT_RGB32,
567 .depth = 32,
568 .flags = FORMAT_FLAGS_PACKED,
569 },{
570 .name = "32 bpp RGB, be",
571 .fourcc = V4L2_PIX_FMT_RGB32,
572 .btformat = BT848_COLOR_FMT_RGB32,
573 .btswap = 0x0f,
574 .depth = 32,
575 .flags = FORMAT_FLAGS_PACKED,
576 },{
577 .name = "4:2:2, packed, YUYV",
578 .fourcc = V4L2_PIX_FMT_YUYV,
579 .btformat = BT848_COLOR_FMT_YUY2,
580 .depth = 16,
581 .flags = FORMAT_FLAGS_PACKED,
582 },{
583 .name = "4:2:2, packed, UYVY",
584 .fourcc = V4L2_PIX_FMT_UYVY,
585 .btformat = BT848_COLOR_FMT_YUY2,
586 .btswap = 0x03,
587 .depth = 16,
588 .flags = FORMAT_FLAGS_PACKED,
589 },{
590 .name = "4:2:2, planar, Y-Cb-Cr",
591 .fourcc = V4L2_PIX_FMT_YUV422P,
592 .btformat = BT848_COLOR_FMT_YCrCb422,
593 .depth = 16,
594 .flags = FORMAT_FLAGS_PLANAR,
595 .hshift = 1,
596 .vshift = 0,
597 },{
598 .name = "4:2:0, planar, Y-Cb-Cr",
599 .fourcc = V4L2_PIX_FMT_YUV420,
600 .btformat = BT848_COLOR_FMT_YCrCb422,
601 .depth = 12,
602 .flags = FORMAT_FLAGS_PLANAR,
603 .hshift = 1,
604 .vshift = 1,
605 },{
606 .name = "4:2:0, planar, Y-Cr-Cb",
607 .fourcc = V4L2_PIX_FMT_YVU420,
608 .btformat = BT848_COLOR_FMT_YCrCb422,
609 .depth = 12,
610 .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb,
611 .hshift = 1,
612 .vshift = 1,
613 },{
614 .name = "4:1:1, planar, Y-Cb-Cr",
615 .fourcc = V4L2_PIX_FMT_YUV411P,
616 .btformat = BT848_COLOR_FMT_YCrCb411,
617 .depth = 12,
618 .flags = FORMAT_FLAGS_PLANAR,
619 .hshift = 2,
620 .vshift = 0,
621 },{
622 .name = "4:1:0, planar, Y-Cb-Cr",
623 .fourcc = V4L2_PIX_FMT_YUV410,
624 .btformat = BT848_COLOR_FMT_YCrCb411,
625 .depth = 9,
626 .flags = FORMAT_FLAGS_PLANAR,
627 .hshift = 2,
628 .vshift = 2,
629 },{
630 .name = "4:1:0, planar, Y-Cr-Cb",
631 .fourcc = V4L2_PIX_FMT_YVU410,
632 .btformat = BT848_COLOR_FMT_YCrCb411,
633 .depth = 9,
634 .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb,
635 .hshift = 2,
636 .vshift = 2,
637 },{
638 .name = "raw scanlines",
639 .fourcc = -1,
640 .btformat = BT848_COLOR_FMT_RAW,
641 .depth = 8,
642 .flags = FORMAT_FLAGS_RAW,
643 }
644};
645static const unsigned int FORMATS = ARRAY_SIZE(formats);
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
678#define VBI_RESOURCES (RESOURCE_VBI)
679#define VIDEO_RESOURCES (RESOURCE_VIDEO_READ | \
680 RESOURCE_VIDEO_STREAM | \
681 RESOURCE_OVERLAY)
682
683static
684int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit)
685{
686 int xbits;
687
688 if (fh->resources & bit)
689
690 return 1;
691
692 xbits = bit;
693 if (bit & (RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM))
694 xbits |= RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM;
695
696
697 if (btv->resources & xbits) {
698
699 goto fail;
700 }
701
702 if ((bit & VIDEO_RESOURCES)
703 && 0 == (btv->resources & VIDEO_RESOURCES)) {
704
705 __s32 top = btv->crop[!!fh->do_crop].rect.top;
706
707 if (btv->vbi_end > top)
708 goto fail;
709
710
711
712 btv->crop_start = top;
713 } else if (bit & VBI_RESOURCES) {
714 __s32 end = fh->vbi_fmt.end;
715
716 if (end > btv->crop_start)
717 goto fail;
718
719
720 btv->vbi_end = end;
721 }
722
723
724 fh->resources |= bit;
725 btv->resources |= bit;
726 return 1;
727
728 fail:
729 return 0;
730}
731
732static
733int check_btres(struct bttv_fh *fh, int bit)
734{
735 return (fh->resources & bit);
736}
737
738static
739int locked_btres(struct bttv *btv, int bit)
740{
741 return (btv->resources & bit);
742}
743
744
745static void
746disclaim_vbi_lines(struct bttv *btv)
747{
748 btv->vbi_end = 0;
749}
750
751
752static void
753disclaim_video_lines(struct bttv *btv)
754{
755 const struct bttv_tvnorm *tvnorm;
756 u8 crop;
757
758 tvnorm = &bttv_tvnorms[btv->tvnorm];
759 btv->crop_start = tvnorm->cropcap.bounds.top
760 + tvnorm->cropcap.bounds.height;
761
762
763
764
765
766 crop = btread(BT848_E_CROP) | 0xc0;
767 btwrite(crop, BT848_E_CROP);
768 btwrite(0xfe, BT848_E_VDELAY_LO);
769 btwrite(crop, BT848_O_CROP);
770 btwrite(0xfe, BT848_O_VDELAY_LO);
771}
772
773static
774void free_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bits)
775{
776 if ((fh->resources & bits) != bits) {
777
778 pr_err("BUG! (btres)\n");
779 }
780 fh->resources &= ~bits;
781 btv->resources &= ~bits;
782
783 bits = btv->resources;
784
785 if (0 == (bits & VIDEO_RESOURCES))
786 disclaim_video_lines(btv);
787
788 if (0 == (bits & VBI_RESOURCES))
789 disclaim_vbi_lines(btv);
790}
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout)
806{
807 unsigned char fl, fh, fi;
808
809
810 fin/=4;
811 fout/=4;
812
813 fout*=12;
814 fi=fout/fin;
815
816 fout=(fout%fin)*256;
817 fh=fout/fin;
818
819 fout=(fout%fin)*256;
820 fl=fout/fin;
821
822 btwrite(fl, BT848_PLL_F_LO);
823 btwrite(fh, BT848_PLL_F_HI);
824 btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
825}
826
827static void set_pll(struct bttv *btv)
828{
829 int i;
830
831 if (!btv->pll.pll_crystal)
832 return;
833
834 if (btv->pll.pll_ofreq == btv->pll.pll_current) {
835 dprintk("%d: PLL: no change required\n", btv->c.nr);
836 return;
837 }
838
839 if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
840
841 if (btv->pll.pll_current == 0)
842 return;
843 if (bttv_verbose)
844 pr_info("%d: PLL can sleep, using XTAL (%d)\n",
845 btv->c.nr, btv->pll.pll_ifreq);
846 btwrite(0x00,BT848_TGCTRL);
847 btwrite(0x00,BT848_PLL_XCI);
848 btv->pll.pll_current = 0;
849 return;
850 }
851
852 if (bttv_verbose)
853 pr_info("%d: Setting PLL: %d => %d (needs up to 100ms)\n",
854 btv->c.nr,
855 btv->pll.pll_ifreq, btv->pll.pll_ofreq);
856 set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq);
857
858 for (i=0; i<10; i++) {
859
860 msleep(10);
861
862 if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
863 btwrite(0,BT848_DSTATUS);
864 } else {
865 btwrite(0x08,BT848_TGCTRL);
866 btv->pll.pll_current = btv->pll.pll_ofreq;
867 if (bttv_verbose)
868 pr_info("PLL set ok\n");
869 return;
870 }
871 }
872 btv->pll.pll_current = -1;
873 if (bttv_verbose)
874 pr_info("Setting PLL failed\n");
875 return;
876}
877
878
879static void bt848A_set_timing(struct bttv *btv)
880{
881 int i, len;
882 int table_idx = bttv_tvnorms[btv->tvnorm].sram;
883 int fsc = bttv_tvnorms[btv->tvnorm].Fsc;
884
885 if (btv->input == btv->dig) {
886 dprintk("%d: load digital timing table (table_idx=%d)\n",
887 btv->c.nr,table_idx);
888
889
890 btwrite(0x00, BT848_TGCTRL);
891 btwrite(0x02, BT848_TGCTRL);
892 btwrite(0x00, BT848_TGCTRL);
893
894 len=SRAM_Table[table_idx][0];
895 for(i = 1; i <= len; i++)
896 btwrite(SRAM_Table[table_idx][i],BT848_TGLB);
897 btv->pll.pll_ofreq = 27000000;
898
899 set_pll(btv);
900 btwrite(0x11, BT848_TGCTRL);
901 btwrite(0x41, BT848_DVSIF);
902 } else {
903 btv->pll.pll_ofreq = fsc;
904 set_pll(btv);
905 btwrite(0x0, BT848_DVSIF);
906 }
907}
908
909
910
911static void bt848_bright(struct bttv *btv, int bright)
912{
913 int value;
914
915
916 btv->bright = bright;
917
918
919 value = (bright >> 8) - 128;
920 btwrite(value & 0xff, BT848_BRIGHT);
921}
922
923static void bt848_hue(struct bttv *btv, int hue)
924{
925 int value;
926
927 btv->hue = hue;
928
929
930 value = (hue >> 8) - 128;
931 btwrite(value & 0xff, BT848_HUE);
932}
933
934static void bt848_contrast(struct bttv *btv, int cont)
935{
936 int value,hibit;
937
938 btv->contrast = cont;
939
940
941 value = (cont >> 7);
942 hibit = (value >> 6) & 4;
943 btwrite(value & 0xff, BT848_CONTRAST_LO);
944 btaor(hibit, ~4, BT848_E_CONTROL);
945 btaor(hibit, ~4, BT848_O_CONTROL);
946}
947
948static void bt848_sat(struct bttv *btv, int color)
949{
950 int val_u,val_v,hibits;
951
952 btv->saturation = color;
953
954
955 val_u = ((color * btv->opt_uv_ratio) / 50) >> 7;
956 val_v = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254;
957 hibits = (val_u >> 7) & 2;
958 hibits |= (val_v >> 8) & 1;
959 btwrite(val_u & 0xff, BT848_SAT_U_LO);
960 btwrite(val_v & 0xff, BT848_SAT_V_LO);
961 btaor(hibits, ~3, BT848_E_CONTROL);
962 btaor(hibits, ~3, BT848_O_CONTROL);
963}
964
965
966
967static int
968video_mux(struct bttv *btv, unsigned int input)
969{
970 int mux,mask2;
971
972 if (input >= bttv_tvcards[btv->c.type].video_inputs)
973 return -EINVAL;
974
975
976 mask2 = bttv_tvcards[btv->c.type].gpiomask2;
977 if (mask2)
978 gpio_inout(mask2,mask2);
979
980 if (input == btv->svhs) {
981 btor(BT848_CONTROL_COMP, BT848_E_CONTROL);
982 btor(BT848_CONTROL_COMP, BT848_O_CONTROL);
983 } else {
984 btand(~BT848_CONTROL_COMP, BT848_E_CONTROL);
985 btand(~BT848_CONTROL_COMP, BT848_O_CONTROL);
986 }
987 mux = bttv_muxsel(btv, input);
988 btaor(mux<<5, ~(3<<5), BT848_IFORM);
989 dprintk("%d: video mux: input=%d mux=%d\n", btv->c.nr, input, mux);
990
991
992 if(bttv_tvcards[btv->c.type].muxsel_hook)
993 bttv_tvcards[btv->c.type].muxsel_hook (btv, input);
994 return 0;
995}
996
997static char *audio_modes[] = {
998 "audio: tuner", "audio: radio", "audio: extern",
999 "audio: intern", "audio: mute"
1000};
1001
1002static void
1003audio_mux_gpio(struct bttv *btv, int input, int mute)
1004{
1005 int gpio_val, signal, mute_gpio;
1006
1007 gpio_inout(bttv_tvcards[btv->c.type].gpiomask,
1008 bttv_tvcards[btv->c.type].gpiomask);
1009 signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC;
1010
1011
1012 mute_gpio = mute || (btv->opt_automute && (!signal || !btv->users)
1013 && !btv->has_radio_tuner);
1014
1015 if (mute_gpio)
1016 gpio_val = bttv_tvcards[btv->c.type].gpiomute;
1017 else
1018 gpio_val = bttv_tvcards[btv->c.type].gpiomux[input];
1019
1020 switch (btv->c.type) {
1021 case BTTV_BOARD_VOODOOTV_FM:
1022 case BTTV_BOARD_VOODOOTV_200:
1023 gpio_val = bttv_tda9880_setnorm(btv, gpio_val);
1024 break;
1025
1026 default:
1027 gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val);
1028 }
1029
1030 if (bttv_gpio)
1031 bttv_gpio_tracking(btv, audio_modes[mute_gpio ? 4 : input]);
1032}
1033
1034static int
1035audio_mute(struct bttv *btv, int mute)
1036{
1037 struct v4l2_ctrl *ctrl;
1038
1039 audio_mux_gpio(btv, btv->audio_input, mute);
1040
1041 if (btv->sd_msp34xx) {
1042 ctrl = v4l2_ctrl_find(btv->sd_msp34xx->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1043 if (ctrl)
1044 v4l2_ctrl_s_ctrl(ctrl, mute);
1045 }
1046 if (btv->sd_tvaudio) {
1047 ctrl = v4l2_ctrl_find(btv->sd_tvaudio->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1048 if (ctrl)
1049 v4l2_ctrl_s_ctrl(ctrl, mute);
1050 }
1051 if (btv->sd_tda7432) {
1052 ctrl = v4l2_ctrl_find(btv->sd_tda7432->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1053 if (ctrl)
1054 v4l2_ctrl_s_ctrl(ctrl, mute);
1055 }
1056 return 0;
1057}
1058
1059static int
1060audio_input(struct bttv *btv, int input)
1061{
1062 audio_mux_gpio(btv, input, btv->mute);
1063
1064 if (btv->sd_msp34xx) {
1065 u32 in;
1066
1067
1068
1069
1070
1071
1072 switch (input) {
1073 case TVAUDIO_INPUT_RADIO:
1074
1075 if (btv->radio_uses_msp_demodulator) {
1076 in = MSP_INPUT_DEFAULT;
1077 break;
1078 }
1079 in = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
1080 MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
1081 break;
1082 case TVAUDIO_INPUT_EXTERN:
1083 in = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
1084 MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
1085 break;
1086 case TVAUDIO_INPUT_INTERN:
1087
1088
1089
1090
1091
1092 in = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
1093 MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
1094 break;
1095 case TVAUDIO_INPUT_TUNER:
1096 default:
1097
1098
1099
1100 if (btv->c.type == BTTV_BOARD_VOODOOTV_200)
1101 in = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER2, \
1102 MSP_DSP_IN_TUNER, MSP_DSP_IN_TUNER);
1103 else
1104 in = MSP_INPUT_DEFAULT;
1105 break;
1106 }
1107 v4l2_subdev_call(btv->sd_msp34xx, audio, s_routing,
1108 in, MSP_OUTPUT_DEFAULT, 0);
1109 }
1110 if (btv->sd_tvaudio) {
1111 v4l2_subdev_call(btv->sd_tvaudio, audio, s_routing,
1112 input, 0, 0);
1113 }
1114 return 0;
1115}
1116
1117static void
1118bttv_crop_calc_limits(struct bttv_crop *c)
1119{
1120
1121
1122
1123 if (1) {
1124
1125
1126 c->min_scaled_width = 48;
1127 c->min_scaled_height = 32;
1128 } else {
1129 c->min_scaled_width =
1130 (max(48, c->rect.width >> 4) + 3) & ~3;
1131 c->min_scaled_height =
1132 max(32, c->rect.height >> 4);
1133 }
1134
1135 c->max_scaled_width = c->rect.width & ~3;
1136 c->max_scaled_height = c->rect.height;
1137}
1138
1139static void
1140bttv_crop_reset(struct bttv_crop *c, unsigned int norm)
1141{
1142 c->rect = bttv_tvnorms[norm].cropcap.defrect;
1143 bttv_crop_calc_limits(c);
1144}
1145
1146
1147static int
1148set_tvnorm(struct bttv *btv, unsigned int norm)
1149{
1150 const struct bttv_tvnorm *tvnorm;
1151 v4l2_std_id id;
1152
1153 BUG_ON(norm >= BTTV_TVNORMS);
1154 BUG_ON(btv->tvnorm >= BTTV_TVNORMS);
1155
1156 tvnorm = &bttv_tvnorms[norm];
1157
1158 if (memcmp(&bttv_tvnorms[btv->tvnorm].cropcap, &tvnorm->cropcap,
1159 sizeof (tvnorm->cropcap))) {
1160 bttv_crop_reset(&btv->crop[0], norm);
1161 btv->crop[1] = btv->crop[0];
1162
1163 if (0 == (btv->resources & VIDEO_RESOURCES)) {
1164 btv->crop_start = tvnorm->cropcap.bounds.top
1165 + tvnorm->cropcap.bounds.height;
1166 }
1167 }
1168
1169 btv->tvnorm = norm;
1170
1171 btwrite(tvnorm->adelay, BT848_ADELAY);
1172 btwrite(tvnorm->bdelay, BT848_BDELAY);
1173 btaor(tvnorm->iform,~(BT848_IFORM_NORM|BT848_IFORM_XTBOTH),
1174 BT848_IFORM);
1175 btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE);
1176 btwrite(1, BT848_VBI_PACK_DEL);
1177 bt848A_set_timing(btv);
1178
1179 switch (btv->c.type) {
1180 case BTTV_BOARD_VOODOOTV_FM:
1181 case BTTV_BOARD_VOODOOTV_200:
1182 bttv_tda9880_setnorm(btv, gpio_read());
1183 break;
1184 }
1185 id = tvnorm->v4l2_id;
1186 bttv_call_all(btv, core, s_std, id);
1187
1188 return 0;
1189}
1190
1191
1192static void
1193set_input(struct bttv *btv, unsigned int input, unsigned int norm)
1194{
1195 unsigned long flags;
1196
1197 btv->input = input;
1198 if (irq_iswitch) {
1199 spin_lock_irqsave(&btv->s_lock,flags);
1200 if (btv->curr.frame_irq) {
1201
1202 btv->new_input = input;
1203 } else {
1204 video_mux(btv,input);
1205 }
1206 spin_unlock_irqrestore(&btv->s_lock,flags);
1207 } else {
1208 video_mux(btv,input);
1209 }
1210 btv->audio_input = (btv->tuner_type != TUNER_ABSENT && input == 0) ?
1211 TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN;
1212 audio_input(btv, btv->audio_input);
1213 set_tvnorm(btv, norm);
1214}
1215
1216static void init_irqreg(struct bttv *btv)
1217{
1218
1219 btwrite(0xfffffUL, BT848_INT_STAT);
1220
1221 if (bttv_tvcards[btv->c.type].no_video) {
1222
1223 btwrite(BT848_INT_I2CDONE,
1224 BT848_INT_MASK);
1225 } else {
1226
1227 btwrite((btv->triton1) |
1228 (btv->gpioirq ? BT848_INT_GPINT : 0) |
1229 BT848_INT_SCERR |
1230 (fdsr ? BT848_INT_FDSR : 0) |
1231 BT848_INT_RISCI | BT848_INT_OCERR |
1232 BT848_INT_FMTCHG|BT848_INT_HLOCK|
1233 BT848_INT_I2CDONE,
1234 BT848_INT_MASK);
1235 }
1236}
1237
1238static void init_bt848(struct bttv *btv)
1239{
1240 if (bttv_tvcards[btv->c.type].no_video) {
1241
1242 init_irqreg(btv);
1243 return;
1244 }
1245
1246 btwrite(0x00, BT848_CAP_CTL);
1247 btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL);
1248 btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM);
1249
1250
1251
1252 btwrite(BT848_GPIO_DMA_CTL_PKTP_32|
1253 BT848_GPIO_DMA_CTL_PLTP1_16|
1254 BT848_GPIO_DMA_CTL_PLTP23_16|
1255 BT848_GPIO_DMA_CTL_GPINTC|
1256 BT848_GPIO_DMA_CTL_GPINTI,
1257 BT848_GPIO_DMA_CTL);
1258
1259 btwrite(0x20, BT848_E_VSCALE_HI);
1260 btwrite(0x20, BT848_O_VSCALE_HI);
1261
1262 v4l2_ctrl_handler_setup(&btv->ctrl_handler);
1263
1264
1265 init_irqreg(btv);
1266}
1267
1268static void bttv_reinit_bt848(struct bttv *btv)
1269{
1270 unsigned long flags;
1271
1272 if (bttv_verbose)
1273 pr_info("%d: reset, reinitialize\n", btv->c.nr);
1274 spin_lock_irqsave(&btv->s_lock,flags);
1275 btv->errors=0;
1276 bttv_set_dma(btv,0);
1277 spin_unlock_irqrestore(&btv->s_lock,flags);
1278
1279 init_bt848(btv);
1280 btv->pll.pll_current = -1;
1281 set_input(btv, btv->input, btv->tvnorm);
1282}
1283
1284static int bttv_s_ctrl(struct v4l2_ctrl *c)
1285{
1286 struct bttv *btv = container_of(c->handler, struct bttv, ctrl_handler);
1287 int val;
1288
1289 switch (c->id) {
1290 case V4L2_CID_BRIGHTNESS:
1291 bt848_bright(btv, c->val);
1292 break;
1293 case V4L2_CID_HUE:
1294 bt848_hue(btv, c->val);
1295 break;
1296 case V4L2_CID_CONTRAST:
1297 bt848_contrast(btv, c->val);
1298 break;
1299 case V4L2_CID_SATURATION:
1300 bt848_sat(btv, c->val);
1301 break;
1302 case V4L2_CID_COLOR_KILLER:
1303 if (c->val) {
1304 btor(BT848_SCLOOP_CKILL, BT848_E_SCLOOP);
1305 btor(BT848_SCLOOP_CKILL, BT848_O_SCLOOP);
1306 } else {
1307 btand(~BT848_SCLOOP_CKILL, BT848_E_SCLOOP);
1308 btand(~BT848_SCLOOP_CKILL, BT848_O_SCLOOP);
1309 }
1310 break;
1311 case V4L2_CID_AUDIO_MUTE:
1312 audio_mute(btv, c->val);
1313 btv->mute = c->val;
1314 break;
1315 case V4L2_CID_AUDIO_VOLUME:
1316 btv->volume_gpio(btv, c->val);
1317 break;
1318
1319 case V4L2_CID_CHROMA_AGC:
1320 val = c->val ? BT848_SCLOOP_CAGC : 0;
1321 btwrite(val, BT848_E_SCLOOP);
1322 btwrite(val, BT848_O_SCLOOP);
1323 break;
1324 case V4L2_CID_PRIVATE_COMBFILTER:
1325 btv->opt_combfilter = c->val;
1326 break;
1327 case V4L2_CID_PRIVATE_LUMAFILTER:
1328 if (c->val) {
1329 btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL);
1330 btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL);
1331 } else {
1332 btor(BT848_CONTROL_LDEC, BT848_E_CONTROL);
1333 btor(BT848_CONTROL_LDEC, BT848_O_CONTROL);
1334 }
1335 break;
1336 case V4L2_CID_PRIVATE_AUTOMUTE:
1337 btv->opt_automute = c->val;
1338 break;
1339 case V4L2_CID_PRIVATE_AGC_CRUSH:
1340 btwrite(BT848_ADC_RESERVED |
1341 (c->val ? BT848_ADC_CRUSH : 0),
1342 BT848_ADC);
1343 break;
1344 case V4L2_CID_PRIVATE_VCR_HACK:
1345 btv->opt_vcr_hack = c->val;
1346 break;
1347 case V4L2_CID_PRIVATE_WHITECRUSH_UPPER:
1348 btwrite(c->val, BT848_WC_UP);
1349 break;
1350 case V4L2_CID_PRIVATE_WHITECRUSH_LOWER:
1351 btwrite(c->val, BT848_WC_DOWN);
1352 break;
1353 case V4L2_CID_PRIVATE_UV_RATIO:
1354 btv->opt_uv_ratio = c->val;
1355 bt848_sat(btv, btv->saturation);
1356 break;
1357 case V4L2_CID_PRIVATE_FULL_LUMA_RANGE:
1358 btaor((c->val << 7), ~BT848_OFORM_RANGE, BT848_OFORM);
1359 break;
1360 case V4L2_CID_PRIVATE_CORING:
1361 btaor((c->val << 5), ~BT848_OFORM_CORE32, BT848_OFORM);
1362 break;
1363 default:
1364 return -EINVAL;
1365 }
1366 return 0;
1367}
1368
1369
1370
1371static const struct v4l2_ctrl_ops bttv_ctrl_ops = {
1372 .s_ctrl = bttv_s_ctrl,
1373};
1374
1375static struct v4l2_ctrl_config bttv_ctrl_combfilter = {
1376 .ops = &bttv_ctrl_ops,
1377 .id = V4L2_CID_PRIVATE_COMBFILTER,
1378 .name = "Comb Filter",
1379 .type = V4L2_CTRL_TYPE_BOOLEAN,
1380 .min = 0,
1381 .max = 1,
1382 .step = 1,
1383 .def = 1,
1384};
1385
1386static struct v4l2_ctrl_config bttv_ctrl_automute = {
1387 .ops = &bttv_ctrl_ops,
1388 .id = V4L2_CID_PRIVATE_AUTOMUTE,
1389 .name = "Auto Mute",
1390 .type = V4L2_CTRL_TYPE_BOOLEAN,
1391 .min = 0,
1392 .max = 1,
1393 .step = 1,
1394 .def = 1,
1395};
1396
1397static struct v4l2_ctrl_config bttv_ctrl_lumafilter = {
1398 .ops = &bttv_ctrl_ops,
1399 .id = V4L2_CID_PRIVATE_LUMAFILTER,
1400 .name = "Luma Decimation Filter",
1401 .type = V4L2_CTRL_TYPE_BOOLEAN,
1402 .min = 0,
1403 .max = 1,
1404 .step = 1,
1405 .def = 1,
1406};
1407
1408static struct v4l2_ctrl_config bttv_ctrl_agc_crush = {
1409 .ops = &bttv_ctrl_ops,
1410 .id = V4L2_CID_PRIVATE_AGC_CRUSH,
1411 .name = "AGC Crush",
1412 .type = V4L2_CTRL_TYPE_BOOLEAN,
1413 .min = 0,
1414 .max = 1,
1415 .step = 1,
1416 .def = 1,
1417};
1418
1419static struct v4l2_ctrl_config bttv_ctrl_vcr_hack = {
1420 .ops = &bttv_ctrl_ops,
1421 .id = V4L2_CID_PRIVATE_VCR_HACK,
1422 .name = "VCR Hack",
1423 .type = V4L2_CTRL_TYPE_BOOLEAN,
1424 .min = 0,
1425 .max = 1,
1426 .step = 1,
1427 .def = 1,
1428};
1429
1430static struct v4l2_ctrl_config bttv_ctrl_whitecrush_lower = {
1431 .ops = &bttv_ctrl_ops,
1432 .id = V4L2_CID_PRIVATE_WHITECRUSH_LOWER,
1433 .name = "Whitecrush Lower",
1434 .type = V4L2_CTRL_TYPE_INTEGER,
1435 .min = 0,
1436 .max = 255,
1437 .step = 1,
1438 .def = 0x7f,
1439};
1440
1441static struct v4l2_ctrl_config bttv_ctrl_whitecrush_upper = {
1442 .ops = &bttv_ctrl_ops,
1443 .id = V4L2_CID_PRIVATE_WHITECRUSH_UPPER,
1444 .name = "Whitecrush Upper",
1445 .type = V4L2_CTRL_TYPE_INTEGER,
1446 .min = 0,
1447 .max = 255,
1448 .step = 1,
1449 .def = 0xcf,
1450};
1451
1452static struct v4l2_ctrl_config bttv_ctrl_uv_ratio = {
1453 .ops = &bttv_ctrl_ops,
1454 .id = V4L2_CID_PRIVATE_UV_RATIO,
1455 .name = "UV Ratio",
1456 .type = V4L2_CTRL_TYPE_INTEGER,
1457 .min = 0,
1458 .max = 100,
1459 .step = 1,
1460 .def = 50,
1461};
1462
1463static struct v4l2_ctrl_config bttv_ctrl_full_luma = {
1464 .ops = &bttv_ctrl_ops,
1465 .id = V4L2_CID_PRIVATE_FULL_LUMA_RANGE,
1466 .name = "Full Luma Range",
1467 .type = V4L2_CTRL_TYPE_BOOLEAN,
1468 .min = 0,
1469 .max = 1,
1470 .step = 1,
1471};
1472
1473static struct v4l2_ctrl_config bttv_ctrl_coring = {
1474 .ops = &bttv_ctrl_ops,
1475 .id = V4L2_CID_PRIVATE_CORING,
1476 .name = "Coring",
1477 .type = V4L2_CTRL_TYPE_INTEGER,
1478 .min = 0,
1479 .max = 3,
1480 .step = 1,
1481};
1482
1483
1484
1485
1486void bttv_gpio_tracking(struct bttv *btv, char *comment)
1487{
1488 unsigned int outbits, data;
1489 outbits = btread(BT848_GPIO_OUT_EN);
1490 data = btread(BT848_GPIO_DATA);
1491 pr_debug("%d: gpio: en=%08x, out=%08x in=%08x [%s]\n",
1492 btv->c.nr, outbits, data & outbits, data & ~outbits, comment);
1493}
1494
1495static void bttv_field_count(struct bttv *btv)
1496{
1497 int need_count = 0;
1498
1499 if (btv->users)
1500 need_count++;
1501
1502 if (need_count) {
1503
1504 btor(BT848_INT_VSYNC,BT848_INT_MASK);
1505 } else {
1506
1507 btand(~BT848_INT_VSYNC,BT848_INT_MASK);
1508 btv->field_count = 0;
1509 }
1510}
1511
1512static const struct bttv_format*
1513format_by_fourcc(int fourcc)
1514{
1515 unsigned int i;
1516
1517 for (i = 0; i < FORMATS; i++) {
1518 if (-1 == formats[i].fourcc)
1519 continue;
1520 if (formats[i].fourcc == fourcc)
1521 return formats+i;
1522 }
1523 return NULL;
1524}
1525
1526
1527
1528
1529static int
1530bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh,
1531 struct bttv_buffer *new)
1532{
1533 struct bttv_buffer *old;
1534 unsigned long flags;
1535 int retval = 0;
1536
1537 dprintk("switch_overlay: enter [new=%p]\n", new);
1538 if (new)
1539 new->vb.state = VIDEOBUF_DONE;
1540 spin_lock_irqsave(&btv->s_lock,flags);
1541 old = btv->screen;
1542 btv->screen = new;
1543 btv->loop_irq |= 1;
1544 bttv_set_dma(btv, 0x03);
1545 spin_unlock_irqrestore(&btv->s_lock,flags);
1546 if (NULL != old) {
1547 dprintk("switch_overlay: old=%p state is %d\n",
1548 old, old->vb.state);
1549 bttv_dma_free(&fh->cap,btv, old);
1550 kfree(old);
1551 }
1552 if (NULL == new)
1553 free_btres_lock(btv,fh,RESOURCE_OVERLAY);
1554 dprintk("switch_overlay: done\n");
1555 return retval;
1556}
1557
1558
1559
1560
1561static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv,
1562 struct bttv_buffer *buf,
1563 const struct bttv_format *fmt,
1564 unsigned int width, unsigned int height,
1565 enum v4l2_field field)
1566{
1567 struct bttv_fh *fh = q->priv_data;
1568 int redo_dma_risc = 0;
1569 struct bttv_crop c;
1570 int norm;
1571 int rc;
1572
1573
1574 if (NULL == fmt)
1575 return -EINVAL;
1576 if (fmt->btformat == BT848_COLOR_FMT_RAW) {
1577 width = RAW_BPL;
1578 height = RAW_LINES*2;
1579 if (width*height > buf->vb.bsize)
1580 return -EINVAL;
1581 buf->vb.size = buf->vb.bsize;
1582
1583
1584
1585
1586 norm = btv->tvnorm;
1587
1588
1589
1590 if (btv->vbi_end > bttv_tvnorms[norm].cropcap.defrect.top) {
1591 return -EINVAL;
1592 }
1593
1594 c.rect = bttv_tvnorms[norm].cropcap.defrect;
1595 } else {
1596 norm = btv->tvnorm;
1597 c = btv->crop[!!fh->do_crop];
1598
1599 if (width < c.min_scaled_width ||
1600 width > c.max_scaled_width ||
1601 height < c.min_scaled_height)
1602 return -EINVAL;
1603
1604 switch (field) {
1605 case V4L2_FIELD_TOP:
1606 case V4L2_FIELD_BOTTOM:
1607 case V4L2_FIELD_ALTERNATE:
1608
1609
1610 if (height * 2 > c.max_scaled_height)
1611 return -EINVAL;
1612 break;
1613
1614 default:
1615 if (height > c.max_scaled_height)
1616 return -EINVAL;
1617 break;
1618 }
1619
1620 buf->vb.size = (width * height * fmt->depth) >> 3;
1621 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
1622 return -EINVAL;
1623 }
1624
1625
1626 if (buf->vb.width != width || buf->vb.height != height ||
1627 buf->vb.field != field ||
1628 buf->tvnorm != norm || buf->fmt != fmt ||
1629 buf->crop.top != c.rect.top ||
1630 buf->crop.left != c.rect.left ||
1631 buf->crop.width != c.rect.width ||
1632 buf->crop.height != c.rect.height) {
1633 buf->vb.width = width;
1634 buf->vb.height = height;
1635 buf->vb.field = field;
1636 buf->tvnorm = norm;
1637 buf->fmt = fmt;
1638 buf->crop = c.rect;
1639 redo_dma_risc = 1;
1640 }
1641
1642
1643 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1644 redo_dma_risc = 1;
1645 if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf)))
1646 goto fail;
1647 }
1648
1649 if (redo_dma_risc)
1650 if (0 != (rc = bttv_buffer_risc(btv,buf)))
1651 goto fail;
1652
1653 buf->vb.state = VIDEOBUF_PREPARED;
1654 return 0;
1655
1656 fail:
1657 bttv_dma_free(q,btv,buf);
1658 return rc;
1659}
1660
1661static int
1662buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1663{
1664 struct bttv_fh *fh = q->priv_data;
1665
1666 *size = fh->fmt->depth*fh->width*fh->height >> 3;
1667 if (0 == *count)
1668 *count = gbuffers;
1669 if (*size * *count > gbuffers * gbufsize)
1670 *count = (gbuffers * gbufsize) / *size;
1671 return 0;
1672}
1673
1674static int
1675buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
1676 enum v4l2_field field)
1677{
1678 struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
1679 struct bttv_fh *fh = q->priv_data;
1680
1681 return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt,
1682 fh->width, fh->height, field);
1683}
1684
1685static void
1686buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1687{
1688 struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
1689 struct bttv_fh *fh = q->priv_data;
1690 struct bttv *btv = fh->btv;
1691
1692 buf->vb.state = VIDEOBUF_QUEUED;
1693 list_add_tail(&buf->vb.queue,&btv->capture);
1694 if (!btv->curr.frame_irq) {
1695 btv->loop_irq |= 1;
1696 bttv_set_dma(btv, 0x03);
1697 }
1698}
1699
1700static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1701{
1702 struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
1703 struct bttv_fh *fh = q->priv_data;
1704
1705 bttv_dma_free(q,fh->btv,buf);
1706}
1707
1708static struct videobuf_queue_ops bttv_video_qops = {
1709 .buf_setup = buffer_setup,
1710 .buf_prepare = buffer_prepare,
1711 .buf_queue = buffer_queue,
1712 .buf_release = buffer_release,
1713};
1714
1715static void radio_enable(struct bttv *btv)
1716{
1717
1718 if (!btv->has_radio_tuner) {
1719 btv->has_radio_tuner = 1;
1720 bttv_call_all(btv, tuner, s_radio);
1721 btv->audio_input = TVAUDIO_INPUT_RADIO;
1722 audio_input(btv, btv->audio_input);
1723 }
1724}
1725
1726static int bttv_s_std(struct file *file, void *priv, v4l2_std_id id)
1727{
1728 struct bttv_fh *fh = priv;
1729 struct bttv *btv = fh->btv;
1730 unsigned int i;
1731 int err = 0;
1732
1733 for (i = 0; i < BTTV_TVNORMS; i++)
1734 if (id & bttv_tvnorms[i].v4l2_id)
1735 break;
1736 if (i == BTTV_TVNORMS) {
1737 err = -EINVAL;
1738 goto err;
1739 }
1740
1741 btv->std = id;
1742 set_tvnorm(btv, i);
1743
1744err:
1745
1746 return err;
1747}
1748
1749static int bttv_g_std(struct file *file, void *priv, v4l2_std_id *id)
1750{
1751 struct bttv_fh *fh = priv;
1752 struct bttv *btv = fh->btv;
1753
1754 *id = btv->std;
1755 return 0;
1756}
1757
1758static int bttv_querystd(struct file *file, void *f, v4l2_std_id *id)
1759{
1760 struct bttv_fh *fh = f;
1761 struct bttv *btv = fh->btv;
1762
1763 if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML)
1764 *id = V4L2_STD_625_50;
1765 else
1766 *id = V4L2_STD_525_60;
1767 return 0;
1768}
1769
1770static int bttv_enum_input(struct file *file, void *priv,
1771 struct v4l2_input *i)
1772{
1773 struct bttv_fh *fh = priv;
1774 struct bttv *btv = fh->btv;
1775 int rc = 0;
1776
1777 if (i->index >= bttv_tvcards[btv->c.type].video_inputs) {
1778 rc = -EINVAL;
1779 goto err;
1780 }
1781
1782 i->type = V4L2_INPUT_TYPE_CAMERA;
1783 i->audioset = 0;
1784
1785 if (btv->tuner_type != TUNER_ABSENT && i->index == 0) {
1786 sprintf(i->name, "Television");
1787 i->type = V4L2_INPUT_TYPE_TUNER;
1788 i->tuner = 0;
1789 } else if (i->index == btv->svhs) {
1790 sprintf(i->name, "S-Video");
1791 } else {
1792 sprintf(i->name, "Composite%d", i->index);
1793 }
1794
1795 if (i->index == btv->input) {
1796 __u32 dstatus = btread(BT848_DSTATUS);
1797 if (0 == (dstatus & BT848_DSTATUS_PRES))
1798 i->status |= V4L2_IN_ST_NO_SIGNAL;
1799 if (0 == (dstatus & BT848_DSTATUS_HLOC))
1800 i->status |= V4L2_IN_ST_NO_H_LOCK;
1801 }
1802
1803 i->std = BTTV_NORMS;
1804
1805err:
1806
1807 return rc;
1808}
1809
1810static int bttv_g_input(struct file *file, void *priv, unsigned int *i)
1811{
1812 struct bttv_fh *fh = priv;
1813 struct bttv *btv = fh->btv;
1814
1815 *i = btv->input;
1816
1817 return 0;
1818}
1819
1820static int bttv_s_input(struct file *file, void *priv, unsigned int i)
1821{
1822 struct bttv_fh *fh = priv;
1823 struct bttv *btv = fh->btv;
1824
1825 if (i >= bttv_tvcards[btv->c.type].video_inputs)
1826 return -EINVAL;
1827
1828 set_input(btv, i, btv->tvnorm);
1829 return 0;
1830}
1831
1832static int bttv_s_tuner(struct file *file, void *priv,
1833 const struct v4l2_tuner *t)
1834{
1835 struct bttv_fh *fh = priv;
1836 struct bttv *btv = fh->btv;
1837
1838 if (t->index)
1839 return -EINVAL;
1840
1841 bttv_call_all(btv, tuner, s_tuner, t);
1842
1843 if (btv->audio_mode_gpio) {
1844 struct v4l2_tuner copy = *t;
1845
1846 btv->audio_mode_gpio(btv, ©, 1);
1847 }
1848 return 0;
1849}
1850
1851static int bttv_g_frequency(struct file *file, void *priv,
1852 struct v4l2_frequency *f)
1853{
1854 struct bttv_fh *fh = priv;
1855 struct bttv *btv = fh->btv;
1856
1857 if (f->tuner)
1858 return -EINVAL;
1859
1860 if (f->type == V4L2_TUNER_RADIO)
1861 radio_enable(btv);
1862 f->frequency = f->type == V4L2_TUNER_RADIO ?
1863 btv->radio_freq : btv->tv_freq;
1864
1865 return 0;
1866}
1867
1868static void bttv_set_frequency(struct bttv *btv, const struct v4l2_frequency *f)
1869{
1870 struct v4l2_frequency new_freq = *f;
1871
1872 bttv_call_all(btv, tuner, s_frequency, f);
1873
1874
1875 bttv_call_all(btv, tuner, g_frequency, &new_freq);
1876 if (new_freq.type == V4L2_TUNER_RADIO) {
1877 radio_enable(btv);
1878 btv->radio_freq = new_freq.frequency;
1879 if (btv->has_matchbox)
1880 tea5757_set_freq(btv, btv->radio_freq);
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
1910static int bttv_g_chip_ident(struct file *file, void *f, struct v4l2_dbg_chip_ident *chip)
1911{
1912 struct bttv_fh *fh = f;
1913 struct bttv *btv = fh->btv;
1914
1915 chip->ident = V4L2_IDENT_NONE;
1916 chip->revision = 0;
1917 if (chip->match.type == V4L2_CHIP_MATCH_HOST) {
1918 if (v4l2_chip_match_host(&chip->match)) {
1919 chip->ident = btv->id;
1920 if (chip->ident == PCI_DEVICE_ID_FUSION879)
1921 chip->ident = V4L2_IDENT_BT879;
1922 }
1923 return 0;
1924 }
1925 if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
1926 chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
1927 return -EINVAL;
1928
1929 return bttv_call_all_err(btv, core, g_chip_ident, chip);
1930}
1931
1932#ifdef CONFIG_VIDEO_ADV_DEBUG
1933static int bttv_g_register(struct file *file, void *f,
1934 struct v4l2_dbg_register *reg)
1935{
1936 struct bttv_fh *fh = f;
1937 struct bttv *btv = fh->btv;
1938
1939 if (!capable(CAP_SYS_ADMIN))
1940 return -EPERM;
1941
1942 if (!v4l2_chip_match_host(®->match)) {
1943
1944
1945 bttv_call_all(btv, core, g_register, reg);
1946 return 0;
1947 }
1948
1949
1950 reg->reg &= 0xfff;
1951 reg->val = btread(reg->reg);
1952 reg->size = 1;
1953
1954 return 0;
1955}
1956
1957static int bttv_s_register(struct file *file, void *f,
1958 const struct v4l2_dbg_register *reg)
1959{
1960 struct bttv_fh *fh = f;
1961 struct bttv *btv = fh->btv;
1962
1963 if (!capable(CAP_SYS_ADMIN))
1964 return -EPERM;
1965
1966 if (!v4l2_chip_match_host(®->match)) {
1967
1968
1969 bttv_call_all(btv, core, s_register, reg);
1970 return 0;
1971 }
1972
1973
1974 btwrite(reg->val, reg->reg & 0xfff);
1975
1976 return 0;
1977}
1978#endif
1979
1980
1981
1982
1983static void
1984bttv_crop_adjust (struct bttv_crop * c,
1985 const struct v4l2_rect * b,
1986 __s32 width,
1987 __s32 height,
1988 enum v4l2_field field)
1989{
1990 __s32 frame_height = height << !V4L2_FIELD_HAS_BOTH(field);
1991 __s32 max_left;
1992 __s32 max_top;
1993
1994 if (width < c->min_scaled_width) {
1995
1996 c->rect.width = width * 16;
1997 } else if (width > c->max_scaled_width) {
1998
1999 c->rect.width = width;
2000
2001 max_left = b->left + b->width - width;
2002 max_left = min(max_left, (__s32) MAX_HDELAY);
2003 if (c->rect.left > max_left)
2004 c->rect.left = max_left;
2005 }
2006
2007 if (height < c->min_scaled_height) {
2008
2009 c->rect.height = height * 16;
2010 } else if (frame_height > c->max_scaled_height) {
2011
2012
2013 c->rect.height = (frame_height + 1) & ~1;
2014
2015 max_top = b->top + b->height - c->rect.height;
2016 if (c->rect.top > max_top)
2017 c->rect.top = max_top;
2018 }
2019
2020 bttv_crop_calc_limits(c);
2021}
2022
2023
2024
2025
2026
2027
2028
2029
2030static int
2031limit_scaled_size_lock (struct bttv_fh * fh,
2032 __s32 * width,
2033 __s32 * height,
2034 enum v4l2_field field,
2035 unsigned int width_mask,
2036 unsigned int width_bias,
2037 int adjust_size,
2038 int adjust_crop)
2039{
2040 struct bttv *btv = fh->btv;
2041 const struct v4l2_rect *b;
2042 struct bttv_crop *c;
2043 __s32 min_width;
2044 __s32 min_height;
2045 __s32 max_width;
2046 __s32 max_height;
2047 int rc;
2048
2049 BUG_ON((int) width_mask >= 0 ||
2050 width_bias >= (unsigned int) -width_mask);
2051
2052
2053
2054
2055 b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
2056
2057
2058 c = &btv->crop[!!fh->do_crop];
2059
2060 if (fh->do_crop
2061 && adjust_size
2062 && adjust_crop
2063 && !locked_btres(btv, VIDEO_RESOURCES)) {
2064 min_width = 48;
2065 min_height = 32;
2066
2067
2068
2069
2070 max_width = min(b->width, (__s32) MAX_HACTIVE);
2071 max_height = b->height;
2072
2073
2074
2075
2076 if (btv->vbi_end > b->top) {
2077 max_height -= btv->vbi_end - b->top;
2078 rc = -EBUSY;
2079 if (min_height > max_height)
2080 goto fail;
2081 }
2082 } else {
2083 rc = -EBUSY;
2084 if (btv->vbi_end > c->rect.top)
2085 goto fail;
2086
2087 min_width = c->min_scaled_width;
2088 min_height = c->min_scaled_height;
2089 max_width = c->max_scaled_width;
2090 max_height = c->max_scaled_height;
2091
2092 adjust_crop = 0;
2093 }
2094
2095 min_width = (min_width - width_mask - 1) & width_mask;
2096 max_width = max_width & width_mask;
2097
2098
2099 min_height = min_height;
2100
2101 max_height >>= !V4L2_FIELD_HAS_BOTH(field);
2102
2103 if (adjust_size) {
2104 *width = clamp(*width, min_width, max_width);
2105 *height = clamp(*height, min_height, max_height);
2106
2107
2108 *width = (*width + width_bias) & width_mask;
2109
2110 if (adjust_crop) {
2111 bttv_crop_adjust(c, b, *width, *height, field);
2112
2113 if (btv->vbi_end > c->rect.top) {
2114
2115 c->rect.top = btv->vbi_end;
2116 }
2117 }
2118 } else {
2119 rc = -EINVAL;
2120 if (*width < min_width ||
2121 *height < min_height ||
2122 *width > max_width ||
2123 *height > max_height ||
2124 0 != (*width & ~width_mask))
2125 goto fail;
2126 }
2127
2128 rc = 0;
2129
2130 fail:
2131
2132 return rc;
2133}
2134
2135
2136
2137
2138
2139
2140
2141
2142static int
2143verify_window_lock(struct bttv_fh *fh, struct v4l2_window *win,
2144 int adjust_size, int adjust_crop)
2145{
2146 enum v4l2_field field;
2147 unsigned int width_mask;
2148 int rc;
2149
2150 if (win->w.width < 48)
2151 win->w.width = 48;
2152 if (win->w.height < 32)
2153 win->w.height = 32;
2154 if (win->clipcount > 2048)
2155 win->clipcount = 2048;
2156
2157 win->chromakey = 0;
2158 win->global_alpha = 0;
2159 field = win->field;
2160
2161 switch (field) {
2162 case V4L2_FIELD_TOP:
2163 case V4L2_FIELD_BOTTOM:
2164 case V4L2_FIELD_INTERLACED:
2165 break;
2166 default:
2167 field = V4L2_FIELD_ANY;
2168 break;
2169 }
2170 if (V4L2_FIELD_ANY == field) {
2171 __s32 height2;
2172
2173 height2 = fh->btv->crop[!!fh->do_crop].rect.height >> 1;
2174 field = (win->w.height > height2)
2175 ? V4L2_FIELD_INTERLACED
2176 : V4L2_FIELD_TOP;
2177 }
2178 win->field = field;
2179
2180 if (NULL == fh->ovfmt)
2181 return -EINVAL;
2182
2183 width_mask = ~0;
2184 switch (fh->ovfmt->depth) {
2185 case 8:
2186 case 24:
2187 width_mask = ~3;
2188 break;
2189 case 16:
2190 width_mask = ~1;
2191 break;
2192 case 32:
2193 break;
2194 default:
2195 BUG();
2196 }
2197
2198 win->w.width -= win->w.left & ~width_mask;
2199 win->w.left = (win->w.left - width_mask - 1) & width_mask;
2200
2201 rc = limit_scaled_size_lock(fh, &win->w.width, &win->w.height,
2202 field, width_mask,
2203 0,
2204 adjust_size, adjust_crop);
2205 if (0 != rc)
2206 return rc;
2207 return 0;
2208}
2209
2210static int setup_window_lock(struct bttv_fh *fh, struct bttv *btv,
2211 struct v4l2_window *win, int fixup)
2212{
2213 struct v4l2_clip *clips = NULL;
2214 int n,size,retval = 0;
2215
2216 if (NULL == fh->ovfmt)
2217 return -EINVAL;
2218 if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED))
2219 return -EINVAL;
2220 retval = verify_window_lock(fh, win,
2221 fixup,
2222 fixup);
2223 if (0 != retval)
2224 return retval;
2225
2226
2227
2228 n = win->clipcount;
2229 size = sizeof(*clips)*(n+4);
2230 clips = kmalloc(size,GFP_KERNEL);
2231 if (NULL == clips)
2232 return -ENOMEM;
2233 if (n > 0) {
2234 if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) {
2235 kfree(clips);
2236 return -EFAULT;
2237 }
2238 }
2239
2240
2241 if (NULL != btv->fbuf.base)
2242 n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height,
2243 &win->w, clips, n);
2244 btcx_sort_clips(clips,n);
2245
2246
2247 switch (fh->ovfmt->depth) {
2248 case 8:
2249 case 24:
2250 btcx_align(&win->w, clips, n, 3);
2251 break;
2252 case 16:
2253 btcx_align(&win->w, clips, n, 1);
2254 break;
2255 case 32:
2256
2257 break;
2258 default:
2259 BUG();
2260 }
2261
2262 kfree(fh->ov.clips);
2263 fh->ov.clips = clips;
2264 fh->ov.nclips = n;
2265
2266 fh->ov.w = win->w;
2267 fh->ov.field = win->field;
2268 fh->ov.setup_ok = 1;
2269
2270 btv->init.ov.w.width = win->w.width;
2271 btv->init.ov.w.height = win->w.height;
2272 btv->init.ov.field = win->field;
2273
2274
2275 retval = 0;
2276 if (check_btres(fh, RESOURCE_OVERLAY)) {
2277 struct bttv_buffer *new;
2278
2279 new = videobuf_sg_alloc(sizeof(*new));
2280 new->crop = btv->crop[!!fh->do_crop].rect;
2281 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
2282 retval = bttv_switch_overlay(btv,fh,new);
2283 }
2284 return retval;
2285}
2286
2287
2288
2289static struct videobuf_queue* bttv_queue(struct bttv_fh *fh)
2290{
2291 struct videobuf_queue* q = NULL;
2292
2293 switch (fh->type) {
2294 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2295 q = &fh->cap;
2296 break;
2297 case V4L2_BUF_TYPE_VBI_CAPTURE:
2298 q = &fh->vbi;
2299 break;
2300 default:
2301 BUG();
2302 }
2303 return q;
2304}
2305
2306static int bttv_resource(struct bttv_fh *fh)
2307{
2308 int res = 0;
2309
2310 switch (fh->type) {
2311 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2312 res = RESOURCE_VIDEO_STREAM;
2313 break;
2314 case V4L2_BUF_TYPE_VBI_CAPTURE:
2315 res = RESOURCE_VBI;
2316 break;
2317 default:
2318 BUG();
2319 }
2320 return res;
2321}
2322
2323static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type)
2324{
2325 struct videobuf_queue *q = bttv_queue(fh);
2326 int res = bttv_resource(fh);
2327
2328 if (check_btres(fh,res))
2329 return -EBUSY;
2330 if (videobuf_queue_is_busy(q))
2331 return -EBUSY;
2332 fh->type = type;
2333 return 0;
2334}
2335
2336static void
2337pix_format_set_size (struct v4l2_pix_format * f,
2338 const struct bttv_format * fmt,
2339 unsigned int width,
2340 unsigned int height)
2341{
2342 f->width = width;
2343 f->height = height;
2344
2345 if (fmt->flags & FORMAT_FLAGS_PLANAR) {
2346 f->bytesperline = width;
2347 f->sizeimage = (width * height * fmt->depth) >> 3;
2348 } else {
2349 f->bytesperline = (width * fmt->depth) >> 3;
2350 f->sizeimage = height * f->bytesperline;
2351 }
2352}
2353
2354static int bttv_g_fmt_vid_cap(struct file *file, void *priv,
2355 struct v4l2_format *f)
2356{
2357 struct bttv_fh *fh = priv;
2358
2359 pix_format_set_size(&f->fmt.pix, fh->fmt,
2360 fh->width, fh->height);
2361 f->fmt.pix.field = fh->cap.field;
2362 f->fmt.pix.pixelformat = fh->fmt->fourcc;
2363 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
2364
2365 return 0;
2366}
2367
2368static int bttv_g_fmt_vid_overlay(struct file *file, void *priv,
2369 struct v4l2_format *f)
2370{
2371 struct bttv_fh *fh = priv;
2372
2373 f->fmt.win.w = fh->ov.w;
2374 f->fmt.win.field = fh->ov.field;
2375
2376 return 0;
2377}
2378
2379static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
2380 struct v4l2_format *f)
2381{
2382 const struct bttv_format *fmt;
2383 struct bttv_fh *fh = priv;
2384 struct bttv *btv = fh->btv;
2385 enum v4l2_field field;
2386 __s32 width, height;
2387 __s32 height2;
2388 int rc;
2389
2390 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
2391 if (NULL == fmt)
2392 return -EINVAL;
2393
2394 field = f->fmt.pix.field;
2395
2396 switch (field) {
2397 case V4L2_FIELD_TOP:
2398 case V4L2_FIELD_BOTTOM:
2399 case V4L2_FIELD_ALTERNATE:
2400 case V4L2_FIELD_INTERLACED:
2401 break;
2402 case V4L2_FIELD_SEQ_BT:
2403 case V4L2_FIELD_SEQ_TB:
2404 if (!(fmt->flags & FORMAT_FLAGS_PLANAR)) {
2405 field = V4L2_FIELD_SEQ_TB;
2406 break;
2407 }
2408
2409 default:
2410 height2 = btv->crop[!!fh->do_crop].rect.height >> 1;
2411 field = (f->fmt.pix.height > height2)
2412 ? V4L2_FIELD_INTERLACED
2413 : V4L2_FIELD_BOTTOM;
2414 break;
2415 }
2416
2417 width = f->fmt.pix.width;
2418 height = f->fmt.pix.height;
2419
2420 rc = limit_scaled_size_lock(fh, &width, &height, field,
2421 ~3,
2422 2,
2423 1,
2424 0);
2425 if (0 != rc)
2426 return rc;
2427
2428
2429 f->fmt.pix.field = field;
2430 pix_format_set_size(&f->fmt.pix, fmt, width, height);
2431 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
2432
2433 return 0;
2434}
2435
2436static int bttv_try_fmt_vid_overlay(struct file *file, void *priv,
2437 struct v4l2_format *f)
2438{
2439 struct bttv_fh *fh = priv;
2440
2441 verify_window_lock(fh, &f->fmt.win,
2442 1,
2443 0);
2444 return 0;
2445}
2446
2447static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
2448 struct v4l2_format *f)
2449{
2450 int retval;
2451 const struct bttv_format *fmt;
2452 struct bttv_fh *fh = priv;
2453 struct bttv *btv = fh->btv;
2454 __s32 width, height;
2455 enum v4l2_field field;
2456
2457 retval = bttv_switch_type(fh, f->type);
2458 if (0 != retval)
2459 return retval;
2460
2461 retval = bttv_try_fmt_vid_cap(file, priv, f);
2462 if (0 != retval)
2463 return retval;
2464
2465 width = f->fmt.pix.width;
2466 height = f->fmt.pix.height;
2467 field = f->fmt.pix.field;
2468
2469 retval = limit_scaled_size_lock(fh, &width, &height, f->fmt.pix.field,
2470 ~3,
2471 2,
2472 1,
2473 1);
2474 if (0 != retval)
2475 return retval;
2476
2477 f->fmt.pix.field = field;
2478
2479 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
2480
2481
2482 fh->fmt = fmt;
2483 fh->cap.field = f->fmt.pix.field;
2484 fh->cap.last = V4L2_FIELD_NONE;
2485 fh->width = f->fmt.pix.width;
2486 fh->height = f->fmt.pix.height;
2487 btv->init.fmt = fmt;
2488 btv->init.width = f->fmt.pix.width;
2489 btv->init.height = f->fmt.pix.height;
2490
2491 return 0;
2492}
2493
2494static int bttv_s_fmt_vid_overlay(struct file *file, void *priv,
2495 struct v4l2_format *f)
2496{
2497 struct bttv_fh *fh = priv;
2498 struct bttv *btv = fh->btv;
2499
2500 if (no_overlay > 0) {
2501 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2502 return -EINVAL;
2503 }
2504
2505 return setup_window_lock(fh, btv, &f->fmt.win, 1);
2506}
2507
2508static int bttv_querycap(struct file *file, void *priv,
2509 struct v4l2_capability *cap)
2510{
2511 struct video_device *vdev = video_devdata(file);
2512 struct bttv_fh *fh = priv;
2513 struct bttv *btv = fh->btv;
2514
2515 if (0 == v4l2)
2516 return -EINVAL;
2517
2518 strlcpy(cap->driver, "bttv", sizeof(cap->driver));
2519 strlcpy(cap->card, btv->video_dev->name, sizeof(cap->card));
2520 snprintf(cap->bus_info, sizeof(cap->bus_info),
2521 "PCI:%s", pci_name(btv->c.pci));
2522 cap->capabilities =
2523 V4L2_CAP_VIDEO_CAPTURE |
2524 V4L2_CAP_READWRITE |
2525 V4L2_CAP_STREAMING |
2526 V4L2_CAP_DEVICE_CAPS;
2527 if (no_overlay <= 0)
2528 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
2529 if (btv->vbi_dev)
2530 cap->capabilities |= V4L2_CAP_VBI_CAPTURE;
2531 if (btv->radio_dev)
2532 cap->capabilities |= V4L2_CAP_RADIO;
2533
2534
2535
2536
2537
2538 if (btv->has_saa6588)
2539 cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
2540 if (btv->tuner_type != TUNER_ABSENT)
2541 cap->capabilities |= V4L2_CAP_TUNER;
2542 if (vdev->vfl_type == VFL_TYPE_GRABBER)
2543 cap->device_caps = cap->capabilities &
2544 (V4L2_CAP_VIDEO_CAPTURE |
2545 V4L2_CAP_READWRITE |
2546 V4L2_CAP_STREAMING |
2547 V4L2_CAP_VIDEO_OVERLAY |
2548 V4L2_CAP_TUNER);
2549 else if (vdev->vfl_type == VFL_TYPE_VBI)
2550 cap->device_caps = cap->capabilities &
2551 (V4L2_CAP_VBI_CAPTURE |
2552 V4L2_CAP_READWRITE |
2553 V4L2_CAP_STREAMING |
2554 V4L2_CAP_TUNER);
2555 else {
2556 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
2557 if (btv->has_saa6588)
2558 cap->device_caps |= V4L2_CAP_READWRITE |
2559 V4L2_CAP_RDS_CAPTURE;
2560 }
2561 return 0;
2562}
2563
2564static int bttv_enum_fmt_cap_ovr(struct v4l2_fmtdesc *f)
2565{
2566 int index = -1, i;
2567
2568 for (i = 0; i < FORMATS; i++) {
2569 if (formats[i].fourcc != -1)
2570 index++;
2571 if ((unsigned int)index == f->index)
2572 break;
2573 }
2574 if (FORMATS == i)
2575 return -EINVAL;
2576
2577 f->pixelformat = formats[i].fourcc;
2578 strlcpy(f->description, formats[i].name, sizeof(f->description));
2579
2580 return i;
2581}
2582
2583static int bttv_enum_fmt_vid_cap(struct file *file, void *priv,
2584 struct v4l2_fmtdesc *f)
2585{
2586 int rc = bttv_enum_fmt_cap_ovr(f);
2587
2588 if (rc < 0)
2589 return rc;
2590
2591 return 0;
2592}
2593
2594static int bttv_enum_fmt_vid_overlay(struct file *file, void *priv,
2595 struct v4l2_fmtdesc *f)
2596{
2597 int rc;
2598
2599 if (no_overlay > 0) {
2600 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2601 return -EINVAL;
2602 }
2603
2604 rc = bttv_enum_fmt_cap_ovr(f);
2605
2606 if (rc < 0)
2607 return rc;
2608
2609 if (!(formats[rc].flags & FORMAT_FLAGS_PACKED))
2610 return -EINVAL;
2611
2612 return 0;
2613}
2614
2615static int bttv_g_fbuf(struct file *file, void *f,
2616 struct v4l2_framebuffer *fb)
2617{
2618 struct bttv_fh *fh = f;
2619 struct bttv *btv = fh->btv;
2620
2621 *fb = btv->fbuf;
2622 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2623 fb->flags = V4L2_FBUF_FLAG_PRIMARY;
2624 if (fh->ovfmt)
2625 fb->fmt.pixelformat = fh->ovfmt->fourcc;
2626 return 0;
2627}
2628
2629static int bttv_overlay(struct file *file, void *f, unsigned int on)
2630{
2631 struct bttv_fh *fh = f;
2632 struct bttv *btv = fh->btv;
2633 struct bttv_buffer *new;
2634 int retval = 0;
2635
2636 if (on) {
2637
2638 if (unlikely(!btv->fbuf.base)) {
2639 return -EINVAL;
2640 }
2641 if (unlikely(!fh->ov.setup_ok)) {
2642 dprintk("%d: overlay: !setup_ok\n", btv->c.nr);
2643 retval = -EINVAL;
2644 }
2645 if (retval)
2646 return retval;
2647 }
2648
2649 if (!check_alloc_btres_lock(btv, fh, RESOURCE_OVERLAY))
2650 return -EBUSY;
2651
2652 if (on) {
2653 fh->ov.tvnorm = btv->tvnorm;
2654 new = videobuf_sg_alloc(sizeof(*new));
2655 new->crop = btv->crop[!!fh->do_crop].rect;
2656 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
2657 } else {
2658 new = NULL;
2659 }
2660
2661
2662 retval = bttv_switch_overlay(btv, fh, new);
2663 return retval;
2664}
2665
2666static int bttv_s_fbuf(struct file *file, void *f,
2667 const struct v4l2_framebuffer *fb)
2668{
2669 struct bttv_fh *fh = f;
2670 struct bttv *btv = fh->btv;
2671 const struct bttv_format *fmt;
2672 int retval;
2673
2674 if (!capable(CAP_SYS_ADMIN) &&
2675 !capable(CAP_SYS_RAWIO))
2676 return -EPERM;
2677
2678
2679 fmt = format_by_fourcc(fb->fmt.pixelformat);
2680 if (NULL == fmt)
2681 return -EINVAL;
2682 if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
2683 return -EINVAL;
2684
2685 retval = -EINVAL;
2686 if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
2687 __s32 width = fb->fmt.width;
2688 __s32 height = fb->fmt.height;
2689
2690 retval = limit_scaled_size_lock(fh, &width, &height,
2691 V4L2_FIELD_INTERLACED,
2692 ~3,
2693 2,
2694 0,
2695 0);
2696 if (0 != retval)
2697 return retval;
2698 }
2699
2700
2701 btv->fbuf.base = fb->base;
2702 btv->fbuf.fmt.width = fb->fmt.width;
2703 btv->fbuf.fmt.height = fb->fmt.height;
2704 if (0 != fb->fmt.bytesperline)
2705 btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline;
2706 else
2707 btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8;
2708
2709 retval = 0;
2710 fh->ovfmt = fmt;
2711 btv->init.ovfmt = fmt;
2712 if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
2713 fh->ov.w.left = 0;
2714 fh->ov.w.top = 0;
2715 fh->ov.w.width = fb->fmt.width;
2716 fh->ov.w.height = fb->fmt.height;
2717 btv->init.ov.w.width = fb->fmt.width;
2718 btv->init.ov.w.height = fb->fmt.height;
2719 kfree(fh->ov.clips);
2720 fh->ov.clips = NULL;
2721 fh->ov.nclips = 0;
2722
2723 if (check_btres(fh, RESOURCE_OVERLAY)) {
2724 struct bttv_buffer *new;
2725
2726 new = videobuf_sg_alloc(sizeof(*new));
2727 new->crop = btv->crop[!!fh->do_crop].rect;
2728 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
2729 retval = bttv_switch_overlay(btv, fh, new);
2730 }
2731 }
2732 return retval;
2733}
2734
2735static int bttv_reqbufs(struct file *file, void *priv,
2736 struct v4l2_requestbuffers *p)
2737{
2738 struct bttv_fh *fh = priv;
2739 return videobuf_reqbufs(bttv_queue(fh), p);
2740}
2741
2742static int bttv_querybuf(struct file *file, void *priv,
2743 struct v4l2_buffer *b)
2744{
2745 struct bttv_fh *fh = priv;
2746 return videobuf_querybuf(bttv_queue(fh), b);
2747}
2748
2749static int bttv_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2750{
2751 struct bttv_fh *fh = priv;
2752 struct bttv *btv = fh->btv;
2753 int res = bttv_resource(fh);
2754
2755 if (!check_alloc_btres_lock(btv, fh, res))
2756 return -EBUSY;
2757
2758 return videobuf_qbuf(bttv_queue(fh), b);
2759}
2760
2761static int bttv_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2762{
2763 struct bttv_fh *fh = priv;
2764 return videobuf_dqbuf(bttv_queue(fh), b,
2765 file->f_flags & O_NONBLOCK);
2766}
2767
2768static int bttv_streamon(struct file *file, void *priv,
2769 enum v4l2_buf_type type)
2770{
2771 struct bttv_fh *fh = priv;
2772 struct bttv *btv = fh->btv;
2773 int res = bttv_resource(fh);
2774
2775 if (!check_alloc_btres_lock(btv, fh, res))
2776 return -EBUSY;
2777 return videobuf_streamon(bttv_queue(fh));
2778}
2779
2780
2781static int bttv_streamoff(struct file *file, void *priv,
2782 enum v4l2_buf_type type)
2783{
2784 struct bttv_fh *fh = priv;
2785 struct bttv *btv = fh->btv;
2786 int retval;
2787 int res = bttv_resource(fh);
2788
2789
2790 retval = videobuf_streamoff(bttv_queue(fh));
2791 if (retval < 0)
2792 return retval;
2793 free_btres_lock(btv, fh, res);
2794 return 0;
2795}
2796
2797static int bttv_g_parm(struct file *file, void *f,
2798 struct v4l2_streamparm *parm)
2799{
2800 struct bttv_fh *fh = f;
2801 struct bttv *btv = fh->btv;
2802
2803 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
2804 return -EINVAL;
2805 parm->parm.capture.readbuffers = gbuffers;
2806 v4l2_video_std_frame_period(bttv_tvnorms[btv->tvnorm].v4l2_id,
2807 &parm->parm.capture.timeperframe);
2808
2809 return 0;
2810}
2811
2812static int bttv_g_tuner(struct file *file, void *priv,
2813 struct v4l2_tuner *t)
2814{
2815 struct bttv_fh *fh = priv;
2816 struct bttv *btv = fh->btv;
2817
2818 if (0 != t->index)
2819 return -EINVAL;
2820
2821 t->rxsubchans = V4L2_TUNER_SUB_MONO;
2822 t->capability = V4L2_TUNER_CAP_NORM;
2823 bttv_call_all(btv, tuner, g_tuner, t);
2824 strcpy(t->name, "Television");
2825 t->type = V4L2_TUNER_ANALOG_TV;
2826 if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
2827 t->signal = 0xffff;
2828
2829 if (btv->audio_mode_gpio)
2830 btv->audio_mode_gpio(btv, t, 0);
2831
2832 return 0;
2833}
2834
2835static int bttv_cropcap(struct file *file, void *priv,
2836 struct v4l2_cropcap *cap)
2837{
2838 struct bttv_fh *fh = priv;
2839 struct bttv *btv = fh->btv;
2840
2841 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
2842 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
2843 return -EINVAL;
2844
2845 *cap = bttv_tvnorms[btv->tvnorm].cropcap;
2846
2847 return 0;
2848}
2849
2850static int bttv_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
2851{
2852 struct bttv_fh *fh = f;
2853 struct bttv *btv = fh->btv;
2854
2855 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
2856 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
2857 return -EINVAL;
2858
2859
2860
2861
2862
2863 crop->c = btv->crop[!!fh->do_crop].rect;
2864
2865 return 0;
2866}
2867
2868static int bttv_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
2869{
2870 struct bttv_fh *fh = f;
2871 struct bttv *btv = fh->btv;
2872 const struct v4l2_rect *b;
2873 int retval;
2874 struct bttv_crop c;
2875 __s32 b_left;
2876 __s32 b_top;
2877 __s32 b_right;
2878 __s32 b_bottom;
2879
2880 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
2881 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
2882 return -EINVAL;
2883
2884
2885
2886
2887 retval = -EBUSY;
2888
2889 if (locked_btres(fh->btv, VIDEO_RESOURCES)) {
2890 return retval;
2891 }
2892
2893 b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
2894
2895 b_left = b->left;
2896 b_right = b_left + b->width;
2897 b_bottom = b->top + b->height;
2898
2899 b_top = max(b->top, btv->vbi_end);
2900 if (b_top + 32 >= b_bottom) {
2901 return retval;
2902 }
2903
2904
2905 c.rect.left = clamp_t(s32, crop->c.left, b_left, b_right - 48);
2906 c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY);
2907
2908 c.rect.width = clamp_t(s32, crop->c.width,
2909 48, b_right - c.rect.left);
2910
2911 c.rect.top = clamp_t(s32, crop->c.top, b_top, b_bottom - 32);
2912
2913 c.rect.top = (c.rect.top + 1) & ~1;
2914
2915 c.rect.height = clamp_t(s32, crop->c.height,
2916 32, b_bottom - c.rect.top);
2917 c.rect.height = (c.rect.height + 1) & ~1;
2918
2919 bttv_crop_calc_limits(&c);
2920
2921 btv->crop[1] = c;
2922
2923 fh->do_crop = 1;
2924
2925 if (fh->width < c.min_scaled_width) {
2926 fh->width = c.min_scaled_width;
2927 btv->init.width = c.min_scaled_width;
2928 } else if (fh->width > c.max_scaled_width) {
2929 fh->width = c.max_scaled_width;
2930 btv->init.width = c.max_scaled_width;
2931 }
2932
2933 if (fh->height < c.min_scaled_height) {
2934 fh->height = c.min_scaled_height;
2935 btv->init.height = c.min_scaled_height;
2936 } else if (fh->height > c.max_scaled_height) {
2937 fh->height = c.max_scaled_height;
2938 btv->init.height = c.max_scaled_height;
2939 }
2940
2941 return 0;
2942}
2943
2944static ssize_t bttv_read(struct file *file, char __user *data,
2945 size_t count, loff_t *ppos)
2946{
2947 struct bttv_fh *fh = file->private_data;
2948 int retval = 0;
2949
2950 if (fh->btv->errors)
2951 bttv_reinit_bt848(fh->btv);
2952 dprintk("%d: read count=%d type=%s\n",
2953 fh->btv->c.nr, (int)count, v4l2_type_names[fh->type]);
2954
2955 switch (fh->type) {
2956 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2957 if (!check_alloc_btres_lock(fh->btv, fh, RESOURCE_VIDEO_READ)) {
2958
2959
2960 return -EBUSY;
2961 }
2962 retval = videobuf_read_one(&fh->cap, data, count, ppos,
2963 file->f_flags & O_NONBLOCK);
2964 free_btres_lock(fh->btv, fh, RESOURCE_VIDEO_READ);
2965 break;
2966 case V4L2_BUF_TYPE_VBI_CAPTURE:
2967 if (!check_alloc_btres_lock(fh->btv,fh,RESOURCE_VBI))
2968 return -EBUSY;
2969 retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1,
2970 file->f_flags & O_NONBLOCK);
2971 break;
2972 default:
2973 BUG();
2974 }
2975 return retval;
2976}
2977
2978static unsigned int bttv_poll(struct file *file, poll_table *wait)
2979{
2980 struct bttv_fh *fh = file->private_data;
2981 struct bttv_buffer *buf;
2982 enum v4l2_field field;
2983 unsigned int rc = 0;
2984 unsigned long req_events = poll_requested_events(wait);
2985
2986 if (v4l2_event_pending(&fh->fh))
2987 rc = POLLPRI;
2988 else if (req_events & POLLPRI)
2989 poll_wait(file, &fh->fh.wait, wait);
2990
2991 if (!(req_events & (POLLIN | POLLRDNORM)))
2992 return rc;
2993
2994 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
2995 if (!check_alloc_btres_lock(fh->btv,fh,RESOURCE_VBI))
2996 return rc | POLLERR;
2997 return rc | videobuf_poll_stream(file, &fh->vbi, wait);
2998 }
2999
3000 if (check_btres(fh,RESOURCE_VIDEO_STREAM)) {
3001
3002 if (list_empty(&fh->cap.stream))
3003 return rc | POLLERR;
3004 buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
3005 } else {
3006
3007 if (NULL == fh->cap.read_buf) {
3008
3009 if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM))
3010 return rc | POLLERR;
3011 fh->cap.read_buf = videobuf_sg_alloc(fh->cap.msize);
3012 if (NULL == fh->cap.read_buf)
3013 return rc | POLLERR;
3014 fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
3015 field = videobuf_next_field(&fh->cap);
3016 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
3017 kfree (fh->cap.read_buf);
3018 fh->cap.read_buf = NULL;
3019 return rc | POLLERR;
3020 }
3021 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
3022 fh->cap.read_off = 0;
3023 }
3024 buf = (struct bttv_buffer*)fh->cap.read_buf;
3025 }
3026
3027 poll_wait(file, &buf->vb.done, wait);
3028 if (buf->vb.state == VIDEOBUF_DONE ||
3029 buf->vb.state == VIDEOBUF_ERROR)
3030 rc = rc | POLLIN|POLLRDNORM;
3031 return rc;
3032}
3033
3034static int bttv_open(struct file *file)
3035{
3036 struct video_device *vdev = video_devdata(file);
3037 struct bttv *btv = video_drvdata(file);
3038 struct bttv_fh *fh;
3039 enum v4l2_buf_type type = 0;
3040
3041 dprintk("open dev=%s\n", video_device_node_name(vdev));
3042
3043 if (vdev->vfl_type == VFL_TYPE_GRABBER) {
3044 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
3045 } else if (vdev->vfl_type == VFL_TYPE_VBI) {
3046 type = V4L2_BUF_TYPE_VBI_CAPTURE;
3047 } else {
3048 WARN_ON(1);
3049 return -ENODEV;
3050 }
3051
3052 dprintk("%d: open called (type=%s)\n",
3053 btv->c.nr, v4l2_type_names[type]);
3054
3055
3056 fh = kmalloc(sizeof(*fh), GFP_KERNEL);
3057 if (unlikely(!fh))
3058 return -ENOMEM;
3059 btv->users++;
3060 file->private_data = fh;
3061
3062 *fh = btv->init;
3063 v4l2_fh_init(&fh->fh, vdev);
3064
3065 fh->type = type;
3066 fh->ov.setup_ok = 0;
3067
3068 videobuf_queue_sg_init(&fh->cap, &bttv_video_qops,
3069 &btv->c.pci->dev, &btv->s_lock,
3070 V4L2_BUF_TYPE_VIDEO_CAPTURE,
3071 V4L2_FIELD_INTERLACED,
3072 sizeof(struct bttv_buffer),
3073 fh, &btv->lock);
3074 videobuf_queue_sg_init(&fh->vbi, &bttv_vbi_qops,
3075 &btv->c.pci->dev, &btv->s_lock,
3076 V4L2_BUF_TYPE_VBI_CAPTURE,
3077 V4L2_FIELD_SEQ_TB,
3078 sizeof(struct bttv_buffer),
3079 fh, &btv->lock);
3080 set_tvnorm(btv,btv->tvnorm);
3081 set_input(btv, btv->input, btv->tvnorm);
3082 audio_mute(btv, btv->mute);
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093 fh->do_crop = !reset_crop;
3094
3095
3096
3097
3098 bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm);
3099
3100 bttv_field_count(btv);
3101 v4l2_fh_add(&fh->fh);
3102 return 0;
3103}
3104
3105static int bttv_release(struct file *file)
3106{
3107 struct bttv_fh *fh = file->private_data;
3108 struct bttv *btv = fh->btv;
3109
3110
3111 if (check_btres(fh, RESOURCE_OVERLAY))
3112 bttv_switch_overlay(btv,fh,NULL);
3113
3114
3115 if (check_btres(fh, RESOURCE_VIDEO_STREAM)) {
3116 videobuf_streamoff(&fh->cap);
3117 free_btres_lock(btv,fh,RESOURCE_VIDEO_STREAM);
3118 }
3119 if (fh->cap.read_buf) {
3120 buffer_release(&fh->cap,fh->cap.read_buf);
3121 kfree(fh->cap.read_buf);
3122 }
3123 if (check_btres(fh, RESOURCE_VIDEO_READ)) {
3124 free_btres_lock(btv, fh, RESOURCE_VIDEO_READ);
3125 }
3126
3127
3128 if (check_btres(fh, RESOURCE_VBI)) {
3129 videobuf_stop(&fh->vbi);
3130 free_btres_lock(btv,fh,RESOURCE_VBI);
3131 }
3132
3133
3134
3135 videobuf_mmap_free(&fh->cap);
3136 videobuf_mmap_free(&fh->vbi);
3137 file->private_data = NULL;
3138
3139 btv->users--;
3140 bttv_field_count(btv);
3141
3142 if (!btv->users)
3143 audio_mute(btv, btv->mute);
3144
3145 v4l2_fh_del(&fh->fh);
3146 v4l2_fh_exit(&fh->fh);
3147 kfree(fh);
3148 return 0;
3149}
3150
3151static int
3152bttv_mmap(struct file *file, struct vm_area_struct *vma)
3153{
3154 struct bttv_fh *fh = file->private_data;
3155
3156 dprintk("%d: mmap type=%s 0x%lx+%ld\n",
3157 fh->btv->c.nr, v4l2_type_names[fh->type],
3158 vma->vm_start, vma->vm_end - vma->vm_start);
3159 return videobuf_mmap_mapper(bttv_queue(fh),vma);
3160}
3161
3162static const struct v4l2_file_operations bttv_fops =
3163{
3164 .owner = THIS_MODULE,
3165 .open = bttv_open,
3166 .release = bttv_release,
3167 .unlocked_ioctl = video_ioctl2,
3168 .read = bttv_read,
3169 .mmap = bttv_mmap,
3170 .poll = bttv_poll,
3171};
3172
3173static const struct v4l2_ioctl_ops bttv_ioctl_ops = {
3174 .vidioc_querycap = bttv_querycap,
3175 .vidioc_enum_fmt_vid_cap = bttv_enum_fmt_vid_cap,
3176 .vidioc_g_fmt_vid_cap = bttv_g_fmt_vid_cap,
3177 .vidioc_try_fmt_vid_cap = bttv_try_fmt_vid_cap,
3178 .vidioc_s_fmt_vid_cap = bttv_s_fmt_vid_cap,
3179 .vidioc_enum_fmt_vid_overlay = bttv_enum_fmt_vid_overlay,
3180 .vidioc_g_fmt_vid_overlay = bttv_g_fmt_vid_overlay,
3181 .vidioc_try_fmt_vid_overlay = bttv_try_fmt_vid_overlay,
3182 .vidioc_s_fmt_vid_overlay = bttv_s_fmt_vid_overlay,
3183 .vidioc_g_fmt_vbi_cap = bttv_g_fmt_vbi_cap,
3184 .vidioc_try_fmt_vbi_cap = bttv_try_fmt_vbi_cap,
3185 .vidioc_s_fmt_vbi_cap = bttv_s_fmt_vbi_cap,
3186 .vidioc_cropcap = bttv_cropcap,
3187 .vidioc_reqbufs = bttv_reqbufs,
3188 .vidioc_querybuf = bttv_querybuf,
3189 .vidioc_qbuf = bttv_qbuf,
3190 .vidioc_dqbuf = bttv_dqbuf,
3191 .vidioc_s_std = bttv_s_std,
3192 .vidioc_g_std = bttv_g_std,
3193 .vidioc_enum_input = bttv_enum_input,
3194 .vidioc_g_input = bttv_g_input,
3195 .vidioc_s_input = bttv_s_input,
3196 .vidioc_streamon = bttv_streamon,
3197 .vidioc_streamoff = bttv_streamoff,
3198 .vidioc_g_tuner = bttv_g_tuner,
3199 .vidioc_s_tuner = bttv_s_tuner,
3200 .vidioc_g_crop = bttv_g_crop,
3201 .vidioc_s_crop = bttv_s_crop,
3202 .vidioc_g_fbuf = bttv_g_fbuf,
3203 .vidioc_s_fbuf = bttv_s_fbuf,
3204 .vidioc_overlay = bttv_overlay,
3205 .vidioc_g_parm = bttv_g_parm,
3206 .vidioc_g_frequency = bttv_g_frequency,
3207 .vidioc_s_frequency = bttv_s_frequency,
3208 .vidioc_log_status = bttv_log_status,
3209 .vidioc_querystd = bttv_querystd,
3210 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
3211 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
3212 .vidioc_g_chip_ident = bttv_g_chip_ident,
3213#ifdef CONFIG_VIDEO_ADV_DEBUG
3214 .vidioc_g_register = bttv_g_register,
3215 .vidioc_s_register = bttv_s_register,
3216#endif
3217};
3218
3219static struct video_device bttv_video_template = {
3220 .fops = &bttv_fops,
3221 .ioctl_ops = &bttv_ioctl_ops,
3222 .tvnorms = BTTV_NORMS,
3223};
3224
3225
3226
3227
3228static int radio_open(struct file *file)
3229{
3230 struct video_device *vdev = video_devdata(file);
3231 struct bttv *btv = video_drvdata(file);
3232 struct bttv_fh *fh;
3233
3234 dprintk("open dev=%s\n", video_device_node_name(vdev));
3235
3236 dprintk("%d: open called (radio)\n", btv->c.nr);
3237
3238
3239 fh = kmalloc(sizeof(*fh), GFP_KERNEL);
3240 if (unlikely(!fh))
3241 return -ENOMEM;
3242 file->private_data = fh;
3243 *fh = btv->init;
3244 v4l2_fh_init(&fh->fh, vdev);
3245
3246 btv->radio_user++;
3247 audio_mute(btv, btv->mute);
3248
3249 v4l2_fh_add(&fh->fh);
3250
3251 return 0;
3252}
3253
3254static int radio_release(struct file *file)
3255{
3256 struct bttv_fh *fh = file->private_data;
3257 struct bttv *btv = fh->btv;
3258 struct saa6588_command cmd;
3259
3260 file->private_data = NULL;
3261 v4l2_fh_del(&fh->fh);
3262 v4l2_fh_exit(&fh->fh);
3263 kfree(fh);
3264
3265 btv->radio_user--;
3266
3267 bttv_call_all(btv, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
3268
3269 if (btv->radio_user == 0)
3270 btv->has_radio_tuner = 0;
3271 return 0;
3272}
3273
3274static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
3275{
3276 struct bttv_fh *fh = priv;
3277 struct bttv *btv = fh->btv;
3278
3279 if (0 != t->index)
3280 return -EINVAL;
3281 strcpy(t->name, "Radio");
3282 t->type = V4L2_TUNER_RADIO;
3283 radio_enable(btv);
3284
3285 bttv_call_all(btv, tuner, g_tuner, t);
3286
3287 if (btv->audio_mode_gpio)
3288 btv->audio_mode_gpio(btv, t, 0);
3289
3290 return 0;
3291}
3292
3293static int radio_s_tuner(struct file *file, void *priv,
3294 const struct v4l2_tuner *t)
3295{
3296 struct bttv_fh *fh = priv;
3297 struct bttv *btv = fh->btv;
3298
3299 if (0 != t->index)
3300 return -EINVAL;
3301
3302 radio_enable(btv);
3303 bttv_call_all(btv, tuner, s_tuner, t);
3304 return 0;
3305}
3306
3307static ssize_t radio_read(struct file *file, char __user *data,
3308 size_t count, loff_t *ppos)
3309{
3310 struct bttv_fh *fh = file->private_data;
3311 struct bttv *btv = fh->btv;
3312 struct saa6588_command cmd;
3313 cmd.block_count = count/3;
3314 cmd.buffer = data;
3315 cmd.instance = file;
3316 cmd.result = -ENODEV;
3317 radio_enable(btv);
3318
3319 bttv_call_all(btv, core, ioctl, SAA6588_CMD_READ, &cmd);
3320
3321 return cmd.result;
3322}
3323
3324static unsigned int radio_poll(struct file *file, poll_table *wait)
3325{
3326 struct bttv_fh *fh = file->private_data;
3327 struct bttv *btv = fh->btv;
3328 unsigned long req_events = poll_requested_events(wait);
3329 struct saa6588_command cmd;
3330 unsigned int res = 0;
3331
3332 if (v4l2_event_pending(&fh->fh))
3333 res = POLLPRI;
3334 else if (req_events & POLLPRI)
3335 poll_wait(file, &fh->fh.wait, wait);
3336 radio_enable(btv);
3337 cmd.instance = file;
3338 cmd.event_list = wait;
3339 cmd.result = res;
3340 bttv_call_all(btv, core, ioctl, SAA6588_CMD_POLL, &cmd);
3341
3342 return cmd.result;
3343}
3344
3345static const struct v4l2_file_operations radio_fops =
3346{
3347 .owner = THIS_MODULE,
3348 .open = radio_open,
3349 .read = radio_read,
3350 .release = radio_release,
3351 .unlocked_ioctl = video_ioctl2,
3352 .poll = radio_poll,
3353};
3354
3355static const struct v4l2_ioctl_ops radio_ioctl_ops = {
3356 .vidioc_querycap = bttv_querycap,
3357 .vidioc_log_status = bttv_log_status,
3358 .vidioc_g_tuner = radio_g_tuner,
3359 .vidioc_s_tuner = radio_s_tuner,
3360 .vidioc_g_frequency = bttv_g_frequency,
3361 .vidioc_s_frequency = bttv_s_frequency,
3362 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
3363 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
3364};
3365
3366static struct video_device radio_template = {
3367 .fops = &radio_fops,
3368 .ioctl_ops = &radio_ioctl_ops,
3369};
3370
3371
3372
3373
3374static int bttv_risc_decode(u32 risc)
3375{
3376 static char *instr[16] = {
3377 [ BT848_RISC_WRITE >> 28 ] = "write",
3378 [ BT848_RISC_SKIP >> 28 ] = "skip",
3379 [ BT848_RISC_WRITEC >> 28 ] = "writec",
3380 [ BT848_RISC_JUMP >> 28 ] = "jump",
3381 [ BT848_RISC_SYNC >> 28 ] = "sync",
3382 [ BT848_RISC_WRITE123 >> 28 ] = "write123",
3383 [ BT848_RISC_SKIP123 >> 28 ] = "skip123",
3384 [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23",
3385 };
3386 static int incr[16] = {
3387 [ BT848_RISC_WRITE >> 28 ] = 2,
3388 [ BT848_RISC_JUMP >> 28 ] = 2,
3389 [ BT848_RISC_SYNC >> 28 ] = 2,
3390 [ BT848_RISC_WRITE123 >> 28 ] = 5,
3391 [ BT848_RISC_SKIP123 >> 28 ] = 2,
3392 [ BT848_RISC_WRITE1S23 >> 28 ] = 3,
3393 };
3394 static char *bits[] = {
3395 "be0", "be1", "be2", "be3/resync",
3396 "set0", "set1", "set2", "set3",
3397 "clr0", "clr1", "clr2", "clr3",
3398 "irq", "res", "eol", "sol",
3399 };
3400 int i;
3401
3402 pr_cont("0x%08x [ %s", risc,
3403 instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
3404 for (i = ARRAY_SIZE(bits)-1; i >= 0; i--)
3405 if (risc & (1 << (i + 12)))
3406 pr_cont(" %s", bits[i]);
3407 pr_cont(" count=%d ]\n", risc & 0xfff);
3408 return incr[risc >> 28] ? incr[risc >> 28] : 1;
3409}
3410
3411static void bttv_risc_disasm(struct bttv *btv,
3412 struct btcx_riscmem *risc)
3413{
3414 unsigned int i,j,n;
3415
3416 pr_info("%s: risc disasm: %p [dma=0x%08lx]\n",
3417 btv->c.v4l2_dev.name, risc->cpu, (unsigned long)risc->dma);
3418 for (i = 0; i < (risc->size >> 2); i += n) {
3419 pr_info("%s: 0x%lx: ",
3420 btv->c.v4l2_dev.name,
3421 (unsigned long)(risc->dma + (i<<2)));
3422 n = bttv_risc_decode(le32_to_cpu(risc->cpu[i]));
3423 for (j = 1; j < n; j++)
3424 pr_info("%s: 0x%lx: 0x%08x [ arg #%d ]\n",
3425 btv->c.v4l2_dev.name,
3426 (unsigned long)(risc->dma + ((i+j)<<2)),
3427 risc->cpu[i+j], j);
3428 if (0 == risc->cpu[i])
3429 break;
3430 }
3431}
3432
3433static void bttv_print_riscaddr(struct bttv *btv)
3434{
3435 pr_info(" main: %08llx\n", (unsigned long long)btv->main.dma);
3436 pr_info(" vbi : o=%08llx e=%08llx\n",
3437 btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0,
3438 btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0);
3439 pr_info(" cap : o=%08llx e=%08llx\n",
3440 btv->curr.top
3441 ? (unsigned long long)btv->curr.top->top.dma : 0,
3442 btv->curr.bottom
3443 ? (unsigned long long)btv->curr.bottom->bottom.dma : 0);
3444 pr_info(" scr : o=%08llx e=%08llx\n",
3445 btv->screen ? (unsigned long long)btv->screen->top.dma : 0,
3446 btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0);
3447 bttv_risc_disasm(btv, &btv->main);
3448}
3449
3450
3451
3452
3453static char *irq_name[] = {
3454 "FMTCHG",
3455 "VSYNC",
3456 "HSYNC",
3457 "OFLOW",
3458 "HLOCK",
3459 "VPRES",
3460 "6", "7",
3461 "I2CDONE",
3462 "GPINT",
3463 "10",
3464 "RISCI",
3465 "FBUS",
3466 "FTRGT",
3467 "FDSR",
3468 "PPERR",
3469 "RIPERR",
3470 "PABORT",
3471 "OCERR",
3472 "SCERR",
3473};
3474
3475static void bttv_print_irqbits(u32 print, u32 mark)
3476{
3477 unsigned int i;
3478
3479 pr_cont("bits:");
3480 for (i = 0; i < ARRAY_SIZE(irq_name); i++) {
3481 if (print & (1 << i))
3482 pr_cont(" %s", irq_name[i]);
3483 if (mark & (1 << i))
3484 pr_cont("*");
3485 }
3486}
3487
3488static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc)
3489{
3490 pr_warn("%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n",
3491 btv->c.nr,
3492 (unsigned long)btv->main.dma,
3493 (unsigned long)le32_to_cpu(btv->main.cpu[RISC_SLOT_O_VBI+1]),
3494 (unsigned long)le32_to_cpu(btv->main.cpu[RISC_SLOT_O_FIELD+1]),
3495 (unsigned long)rc);
3496
3497 if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) {
3498 pr_notice("%d: Oh, there (temporarily?) is no input signal. "
3499 "Ok, then this is harmless, don't worry ;)\n",
3500 btv->c.nr);
3501 return;
3502 }
3503 pr_notice("%d: Uhm. Looks like we have unusual high IRQ latencies\n",
3504 btv->c.nr);
3505 pr_notice("%d: Lets try to catch the culpit red-handed ...\n",
3506 btv->c.nr);
3507 dump_stack();
3508}
3509
3510static int
3511bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set)
3512{
3513 struct bttv_buffer *item;
3514
3515 memset(set,0,sizeof(*set));
3516
3517
3518 if (!list_empty(&btv->capture)) {
3519 set->frame_irq = 1;
3520 item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
3521 if (V4L2_FIELD_HAS_TOP(item->vb.field))
3522 set->top = item;
3523 if (V4L2_FIELD_HAS_BOTTOM(item->vb.field))
3524 set->bottom = item;
3525
3526
3527 if (!V4L2_FIELD_HAS_BOTH(item->vb.field) &&
3528 (item->vb.queue.next != &btv->capture)) {
3529 item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue);
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557 if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) {
3558 if (NULL == set->bottom &&
3559 V4L2_FIELD_BOTTOM == item->vb.field) {
3560 set->bottom = item;
3561 }
3562 if (NULL != set->top && NULL != set->bottom)
3563 set->top_irq = 2;
3564 }
3565 }
3566 }
3567
3568
3569 if (NULL != btv->screen) {
3570 if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) {
3571 if (NULL == set->top && NULL == set->bottom) {
3572 set->top = btv->screen;
3573 set->bottom = btv->screen;
3574 }
3575 } else {
3576 if (V4L2_FIELD_TOP == btv->screen->vb.field &&
3577 NULL == set->top) {
3578 set->top = btv->screen;
3579 }
3580 if (V4L2_FIELD_BOTTOM == btv->screen->vb.field &&
3581 NULL == set->bottom) {
3582 set->bottom = btv->screen;
3583 }
3584 }
3585 }
3586
3587 dprintk("%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n",
3588 btv->c.nr, set->top, set->bottom,
3589 btv->screen, set->frame_irq, set->top_irq);
3590 return 0;
3591}
3592
3593static void
3594bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup,
3595 struct bttv_buffer_set *curr, unsigned int state)
3596{
3597 struct timeval ts;
3598
3599 v4l2_get_timestamp(&ts);
3600
3601 if (wakeup->top == wakeup->bottom) {
3602 if (NULL != wakeup->top && curr->top != wakeup->top) {
3603 if (irq_debug > 1)
3604 pr_debug("%d: wakeup: both=%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 } else {
3612 if (NULL != wakeup->top && curr->top != wakeup->top) {
3613 if (irq_debug > 1)
3614 pr_debug("%d: wakeup: top=%p\n",
3615 btv->c.nr, wakeup->top);
3616 wakeup->top->vb.ts = ts;
3617 wakeup->top->vb.field_count = btv->field_count;
3618 wakeup->top->vb.state = state;
3619 wake_up(&wakeup->top->vb.done);
3620 }
3621 if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) {
3622 if (irq_debug > 1)
3623 pr_debug("%d: wakeup: bottom=%p\n",
3624 btv->c.nr, wakeup->bottom);
3625 wakeup->bottom->vb.ts = ts;
3626 wakeup->bottom->vb.field_count = btv->field_count;
3627 wakeup->bottom->vb.state = state;
3628 wake_up(&wakeup->bottom->vb.done);
3629 }
3630 }
3631}
3632
3633static void
3634bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup,
3635 unsigned int state)
3636{
3637 struct timeval ts;
3638
3639 if (NULL == wakeup)
3640 return;
3641
3642 v4l2_get_timestamp(&ts);
3643 wakeup->vb.ts = ts;
3644 wakeup->vb.field_count = btv->field_count;
3645 wakeup->vb.state = state;
3646 wake_up(&wakeup->vb.done);
3647}
3648
3649static void bttv_irq_timeout(unsigned long data)
3650{
3651 struct bttv *btv = (struct bttv *)data;
3652 struct bttv_buffer_set old,new;
3653 struct bttv_buffer *ovbi;
3654 struct bttv_buffer *item;
3655 unsigned long flags;
3656
3657 if (bttv_verbose) {
3658 pr_info("%d: timeout: drop=%d irq=%d/%d, risc=%08x, ",
3659 btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total,
3660 btread(BT848_RISC_COUNT));
3661 bttv_print_irqbits(btread(BT848_INT_STAT),0);
3662 pr_cont("\n");
3663 }
3664
3665 spin_lock_irqsave(&btv->s_lock,flags);
3666
3667
3668 memset(&new,0,sizeof(new));
3669 old = btv->curr;
3670 ovbi = btv->cvbi;
3671 btv->curr = new;
3672 btv->cvbi = NULL;
3673 btv->loop_irq = 0;
3674 bttv_buffer_activate_video(btv, &new);
3675 bttv_buffer_activate_vbi(btv, NULL);
3676 bttv_set_dma(btv, 0);
3677
3678
3679 bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_ERROR);
3680 bttv_irq_wakeup_vbi(btv, ovbi, VIDEOBUF_ERROR);
3681
3682
3683 while (!list_empty(&btv->capture)) {
3684 item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
3685 list_del(&item->vb.queue);
3686 item->vb.state = VIDEOBUF_ERROR;
3687 wake_up(&item->vb.done);
3688 }
3689 while (!list_empty(&btv->vcapture)) {
3690 item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
3691 list_del(&item->vb.queue);
3692 item->vb.state = VIDEOBUF_ERROR;
3693 wake_up(&item->vb.done);
3694 }
3695
3696 btv->errors++;
3697 spin_unlock_irqrestore(&btv->s_lock,flags);
3698}
3699
3700static void
3701bttv_irq_wakeup_top(struct bttv *btv)
3702{
3703 struct bttv_buffer *wakeup = btv->curr.top;
3704
3705 if (NULL == wakeup)
3706 return;
3707
3708 spin_lock(&btv->s_lock);
3709 btv->curr.top_irq = 0;
3710 btv->curr.top = NULL;
3711 bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0);
3712
3713 v4l2_get_timestamp(&wakeup->vb.ts);
3714 wakeup->vb.field_count = btv->field_count;
3715 wakeup->vb.state = VIDEOBUF_DONE;
3716 wake_up(&wakeup->vb.done);
3717 spin_unlock(&btv->s_lock);
3718}
3719
3720static inline int is_active(struct btcx_riscmem *risc, u32 rc)
3721{
3722 if (rc < risc->dma)
3723 return 0;
3724 if (rc > risc->dma + risc->size)
3725 return 0;
3726 return 1;
3727}
3728
3729static void
3730bttv_irq_switch_video(struct bttv *btv)
3731{
3732 struct bttv_buffer_set new;
3733 struct bttv_buffer_set old;
3734 dma_addr_t rc;
3735
3736 spin_lock(&btv->s_lock);
3737
3738
3739 bttv_irq_next_video(btv, &new);
3740 rc = btread(BT848_RISC_COUNT);
3741 if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) ||
3742 (btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) {
3743 btv->framedrop++;
3744 if (debug_latency)
3745 bttv_irq_debug_low_latency(btv, rc);
3746 spin_unlock(&btv->s_lock);
3747 return;
3748 }
3749
3750
3751 old = btv->curr;
3752 btv->curr = new;
3753 btv->loop_irq &= ~1;
3754 bttv_buffer_activate_video(btv, &new);
3755 bttv_set_dma(btv, 0);
3756
3757
3758 if (UNSET != btv->new_input) {
3759 video_mux(btv,btv->new_input);
3760 btv->new_input = UNSET;
3761 }
3762
3763
3764 bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_DONE);
3765 spin_unlock(&btv->s_lock);
3766}
3767
3768static void
3769bttv_irq_switch_vbi(struct bttv *btv)
3770{
3771 struct bttv_buffer *new = NULL;
3772 struct bttv_buffer *old;
3773 u32 rc;
3774
3775 spin_lock(&btv->s_lock);
3776
3777 if (!list_empty(&btv->vcapture))
3778 new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
3779 old = btv->cvbi;
3780
3781 rc = btread(BT848_RISC_COUNT);
3782 if (NULL != old && (is_active(&old->top, rc) ||
3783 is_active(&old->bottom, rc))) {
3784 btv->framedrop++;
3785 if (debug_latency)
3786 bttv_irq_debug_low_latency(btv, rc);
3787 spin_unlock(&btv->s_lock);
3788 return;
3789 }
3790
3791
3792 btv->cvbi = new;
3793 btv->loop_irq &= ~4;
3794 bttv_buffer_activate_vbi(btv, new);
3795 bttv_set_dma(btv, 0);
3796
3797 bttv_irq_wakeup_vbi(btv, old, VIDEOBUF_DONE);
3798 spin_unlock(&btv->s_lock);
3799}
3800
3801static irqreturn_t bttv_irq(int irq, void *dev_id)
3802{
3803 u32 stat,astat;
3804 u32 dstat;
3805 int count;
3806 struct bttv *btv;
3807 int handled = 0;
3808
3809 btv=(struct bttv *)dev_id;
3810
3811 count=0;
3812 while (1) {
3813
3814 stat=btread(BT848_INT_STAT);
3815 astat=stat&btread(BT848_INT_MASK);
3816 if (!astat)
3817 break;
3818 handled = 1;
3819 btwrite(stat,BT848_INT_STAT);
3820
3821
3822 dstat=btread(BT848_DSTATUS);
3823
3824 if (irq_debug) {
3825 pr_debug("%d: irq loop=%d fc=%d riscs=%x, riscc=%08x, ",
3826 btv->c.nr, count, btv->field_count,
3827 stat>>28, btread(BT848_RISC_COUNT));
3828 bttv_print_irqbits(stat,astat);
3829 if (stat & BT848_INT_HLOCK)
3830 pr_cont(" HLOC => %s",
3831 dstat & BT848_DSTATUS_HLOC
3832 ? "yes" : "no");
3833 if (stat & BT848_INT_VPRES)
3834 pr_cont(" PRES => %s",
3835 dstat & BT848_DSTATUS_PRES
3836 ? "yes" : "no");
3837 if (stat & BT848_INT_FMTCHG)
3838 pr_cont(" NUML => %s",
3839 dstat & BT848_DSTATUS_NUML
3840 ? "625" : "525");
3841 pr_cont("\n");
3842 }
3843
3844 if (astat&BT848_INT_VSYNC)
3845 btv->field_count++;
3846
3847 if ((astat & BT848_INT_GPINT) && btv->remote) {
3848 bttv_input_irq(btv);
3849 }
3850
3851 if (astat & BT848_INT_I2CDONE) {
3852 btv->i2c_done = stat;
3853 wake_up(&btv->i2c_queue);
3854 }
3855
3856 if ((astat & BT848_INT_RISCI) && (stat & (4<<28)))
3857 bttv_irq_switch_vbi(btv);
3858
3859 if ((astat & BT848_INT_RISCI) && (stat & (2<<28)))
3860 bttv_irq_wakeup_top(btv);
3861
3862 if ((astat & BT848_INT_RISCI) && (stat & (1<<28)))
3863 bttv_irq_switch_video(btv);
3864
3865 if ((astat & BT848_INT_HLOCK) && btv->opt_automute)
3866
3867 audio_mux_gpio(btv, btv->audio_input, btv->mute);
3868
3869 if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) {
3870 pr_info("%d: %s%s @ %08x,",
3871 btv->c.nr,
3872 (astat & BT848_INT_SCERR) ? "SCERR" : "",
3873 (astat & BT848_INT_OCERR) ? "OCERR" : "",
3874 btread(BT848_RISC_COUNT));
3875 bttv_print_irqbits(stat,astat);
3876 pr_cont("\n");
3877 if (bttv_debug)
3878 bttv_print_riscaddr(btv);
3879 }
3880 if (fdsr && astat & BT848_INT_FDSR) {
3881 pr_info("%d: FDSR @ %08x\n",
3882 btv->c.nr, btread(BT848_RISC_COUNT));
3883 if (bttv_debug)
3884 bttv_print_riscaddr(btv);
3885 }
3886
3887 count++;
3888 if (count > 4) {
3889
3890 if (count > 8 || !(astat & BT848_INT_GPINT)) {
3891 btwrite(0, BT848_INT_MASK);
3892
3893 pr_err("%d: IRQ lockup, cleared int mask [",
3894 btv->c.nr);
3895 } else {
3896 pr_err("%d: IRQ lockup, clearing GPINT from int mask [",
3897 btv->c.nr);
3898
3899 btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT),
3900 BT848_INT_MASK);
3901 };
3902
3903 bttv_print_irqbits(stat,astat);
3904
3905 pr_cont("]\n");
3906 }
3907 }
3908 btv->irq_total++;
3909 if (handled)
3910 btv->irq_me++;
3911 return IRQ_RETVAL(handled);
3912}
3913
3914
3915
3916
3917
3918static struct video_device *vdev_init(struct bttv *btv,
3919 const struct video_device *template,
3920 const char *type_name)
3921{
3922 struct video_device *vfd;
3923
3924 vfd = video_device_alloc();
3925 if (NULL == vfd)
3926 return NULL;
3927 *vfd = *template;
3928 vfd->v4l2_dev = &btv->c.v4l2_dev;
3929 vfd->release = video_device_release;
3930 vfd->debug = bttv_debug;
3931 set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
3932 video_set_drvdata(vfd, btv);
3933 snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)",
3934 btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "",
3935 type_name, bttv_tvcards[btv->c.type].name);
3936 if (btv->tuner_type == TUNER_ABSENT) {
3937 v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY);
3938 v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY);
3939 v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
3940 v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER);
3941 }
3942 return vfd;
3943}
3944
3945static void bttv_unregister_video(struct bttv *btv)
3946{
3947 if (btv->video_dev) {
3948 if (video_is_registered(btv->video_dev))
3949 video_unregister_device(btv->video_dev);
3950 else
3951 video_device_release(btv->video_dev);
3952 btv->video_dev = NULL;
3953 }
3954 if (btv->vbi_dev) {
3955 if (video_is_registered(btv->vbi_dev))
3956 video_unregister_device(btv->vbi_dev);
3957 else
3958 video_device_release(btv->vbi_dev);
3959 btv->vbi_dev = NULL;
3960 }
3961 if (btv->radio_dev) {
3962 if (video_is_registered(btv->radio_dev))
3963 video_unregister_device(btv->radio_dev);
3964 else
3965 video_device_release(btv->radio_dev);
3966 btv->radio_dev = NULL;
3967 }
3968}
3969
3970
3971static int bttv_register_video(struct bttv *btv)
3972{
3973 if (no_overlay > 0)
3974 pr_notice("Overlay support disabled\n");
3975
3976
3977 btv->video_dev = vdev_init(btv, &bttv_video_template, "video");
3978
3979 if (NULL == btv->video_dev)
3980 goto err;
3981 if (video_register_device(btv->video_dev, VFL_TYPE_GRABBER,
3982 video_nr[btv->c.nr]) < 0)
3983 goto err;
3984 pr_info("%d: registered device %s\n",
3985 btv->c.nr, video_device_node_name(btv->video_dev));
3986 if (device_create_file(&btv->video_dev->dev,
3987 &dev_attr_card)<0) {
3988 pr_err("%d: device_create_file 'card' failed\n", btv->c.nr);
3989 goto err;
3990 }
3991
3992
3993 btv->vbi_dev = vdev_init(btv, &bttv_video_template, "vbi");
3994
3995 if (NULL == btv->vbi_dev)
3996 goto err;
3997 if (video_register_device(btv->vbi_dev, VFL_TYPE_VBI,
3998 vbi_nr[btv->c.nr]) < 0)
3999 goto err;
4000 pr_info("%d: registered device %s\n",
4001 btv->c.nr, video_device_node_name(btv->vbi_dev));
4002
4003 if (!btv->has_radio)
4004 return 0;
4005
4006 btv->radio_dev = vdev_init(btv, &radio_template, "radio");
4007 if (NULL == btv->radio_dev)
4008 goto err;
4009 btv->radio_dev->ctrl_handler = &btv->radio_ctrl_handler;
4010 if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,
4011 radio_nr[btv->c.nr]) < 0)
4012 goto err;
4013 pr_info("%d: registered device %s\n",
4014 btv->c.nr, video_device_node_name(btv->radio_dev));
4015
4016
4017 return 0;
4018
4019 err:
4020 bttv_unregister_video(btv);
4021 return -1;
4022}
4023
4024
4025
4026
4027static void pci_set_command(struct pci_dev *dev)
4028{
4029#if defined(__powerpc__)
4030 unsigned int cmd;
4031
4032 pci_read_config_dword(dev, PCI_COMMAND, &cmd);
4033 cmd = (cmd | PCI_COMMAND_MEMORY );
4034 pci_write_config_dword(dev, PCI_COMMAND, cmd);
4035#endif
4036}
4037
4038static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
4039{
4040 struct v4l2_frequency init_freq = {
4041 .tuner = 0,
4042 .type = V4L2_TUNER_ANALOG_TV,
4043 .frequency = 980,
4044 };
4045 int result;
4046 unsigned char lat;
4047 struct bttv *btv;
4048 struct v4l2_ctrl_handler *hdl;
4049
4050 if (bttv_num == BTTV_MAX)
4051 return -ENOMEM;
4052 pr_info("Bt8xx card found (%d)\n", bttv_num);
4053 bttvs[bttv_num] = btv = kzalloc(sizeof(*btv), GFP_KERNEL);
4054 if (btv == NULL) {
4055 pr_err("out of memory\n");
4056 return -ENOMEM;
4057 }
4058 btv->c.nr = bttv_num;
4059 snprintf(btv->c.v4l2_dev.name, sizeof(btv->c.v4l2_dev.name),
4060 "bttv%d", btv->c.nr);
4061
4062
4063 mutex_init(&btv->lock);
4064 spin_lock_init(&btv->s_lock);
4065 spin_lock_init(&btv->gpio_lock);
4066 init_waitqueue_head(&btv->i2c_queue);
4067 INIT_LIST_HEAD(&btv->c.subs);
4068 INIT_LIST_HEAD(&btv->capture);
4069 INIT_LIST_HEAD(&btv->vcapture);
4070
4071 init_timer(&btv->timeout);
4072 btv->timeout.function = bttv_irq_timeout;
4073 btv->timeout.data = (unsigned long)btv;
4074
4075 btv->i2c_rc = -1;
4076 btv->tuner_type = UNSET;
4077 btv->new_input = UNSET;
4078 btv->has_radio=radio[btv->c.nr];
4079
4080
4081 btv->c.pci = dev;
4082 btv->id = dev->device;
4083 if (pci_enable_device(dev)) {
4084 pr_warn("%d: Can't enable device\n", btv->c.nr);
4085 return -EIO;
4086 }
4087 if (pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
4088 pr_warn("%d: No suitable DMA available\n", btv->c.nr);
4089 return -EIO;
4090 }
4091 if (!request_mem_region(pci_resource_start(dev,0),
4092 pci_resource_len(dev,0),
4093 btv->c.v4l2_dev.name)) {
4094 pr_warn("%d: can't request iomem (0x%llx)\n",
4095 btv->c.nr,
4096 (unsigned long long)pci_resource_start(dev, 0));
4097 return -EBUSY;
4098 }
4099 pci_set_master(dev);
4100 pci_set_command(dev);
4101
4102 result = v4l2_device_register(&dev->dev, &btv->c.v4l2_dev);
4103 if (result < 0) {
4104 pr_warn("%d: v4l2_device_register() failed\n", btv->c.nr);
4105 goto fail0;
4106 }
4107 hdl = &btv->ctrl_handler;
4108 v4l2_ctrl_handler_init(hdl, 20);
4109 btv->c.v4l2_dev.ctrl_handler = hdl;
4110 v4l2_ctrl_handler_init(&btv->radio_ctrl_handler, 6);
4111
4112 btv->revision = dev->revision;
4113 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
4114 pr_info("%d: Bt%d (rev %d) at %s, irq: %d, latency: %d, mmio: 0x%llx\n",
4115 bttv_num, btv->id, btv->revision, pci_name(dev),
4116 btv->c.pci->irq, lat,
4117 (unsigned long long)pci_resource_start(dev, 0));
4118 schedule();
4119
4120 btv->bt848_mmio = ioremap(pci_resource_start(dev, 0), 0x1000);
4121 if (NULL == btv->bt848_mmio) {
4122 pr_err("%d: ioremap() failed\n", btv->c.nr);
4123 result = -EIO;
4124 goto fail1;
4125 }
4126
4127
4128 bttv_idcard(btv);
4129
4130
4131 btwrite(0, BT848_INT_MASK);
4132 result = request_irq(btv->c.pci->irq, bttv_irq,
4133 IRQF_SHARED | IRQF_DISABLED, btv->c.v4l2_dev.name, (void *)btv);
4134 if (result < 0) {
4135 pr_err("%d: can't get IRQ %d\n",
4136 bttv_num, btv->c.pci->irq);
4137 goto fail1;
4138 }
4139
4140 if (0 != bttv_handle_chipset(btv)) {
4141 result = -EIO;
4142 goto fail2;
4143 }
4144
4145
4146 btv->opt_combfilter = combfilter;
4147 bttv_ctrl_combfilter.def = combfilter;
4148 bttv_ctrl_lumafilter.def = lumafilter;
4149 btv->opt_automute = automute;
4150 bttv_ctrl_automute.def = automute;
4151 bttv_ctrl_agc_crush.def = agc_crush;
4152 btv->opt_vcr_hack = vcr_hack;
4153 bttv_ctrl_vcr_hack.def = vcr_hack;
4154 bttv_ctrl_whitecrush_upper.def = whitecrush_upper;
4155 bttv_ctrl_whitecrush_lower.def = whitecrush_lower;
4156 btv->opt_uv_ratio = uv_ratio;
4157 bttv_ctrl_uv_ratio.def = uv_ratio;
4158 bttv_ctrl_full_luma.def = full_luma_range;
4159 bttv_ctrl_coring.def = coring;
4160
4161
4162 btv->init.btv = btv;
4163 btv->init.ov.w.width = 320;
4164 btv->init.ov.w.height = 240;
4165 btv->init.fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
4166 btv->init.width = 320;
4167 btv->init.height = 240;
4168 btv->init.ov.w.width = 320;
4169 btv->init.ov.w.height = 240;
4170 btv->init.ov.field = V4L2_FIELD_INTERLACED;
4171 btv->input = 0;
4172
4173 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4174 V4L2_CID_BRIGHTNESS, 0, 0xff00, 0x100, 32768);
4175 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4176 V4L2_CID_CONTRAST, 0, 0xff80, 0x80, 0x6c00);
4177 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4178 V4L2_CID_SATURATION, 0, 0xff80, 0x80, 32768);
4179 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4180 V4L2_CID_COLOR_KILLER, 0, 1, 1, 0);
4181 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4182 V4L2_CID_HUE, 0, 0xff00, 0x100, 32768);
4183 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4184 V4L2_CID_CHROMA_AGC, 0, 1, 1, !!chroma_agc);
4185 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4186 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
4187 if (btv->volume_gpio)
4188 v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,
4189 V4L2_CID_AUDIO_VOLUME, 0, 0xff00, 0x100, 0xff00);
4190 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_combfilter, NULL);
4191 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_automute, NULL);
4192 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_lumafilter, NULL);
4193 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_agc_crush, NULL);
4194 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_vcr_hack, NULL);
4195 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_whitecrush_lower, NULL);
4196 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_whitecrush_upper, NULL);
4197 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_uv_ratio, NULL);
4198 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_full_luma, NULL);
4199 v4l2_ctrl_new_custom(hdl, &bttv_ctrl_coring, NULL);
4200
4201
4202 if (bttv_gpio)
4203 bttv_gpio_tracking(btv,"pre-init");
4204
4205 bttv_risc_init_main(btv);
4206 init_bt848(btv);
4207
4208
4209 btwrite(0x00, BT848_GPIO_REG_INP);
4210 btwrite(0x00, BT848_GPIO_OUT_EN);
4211 if (bttv_verbose)
4212 bttv_gpio_tracking(btv,"init");
4213
4214
4215 bttv_init_card1(btv);
4216
4217
4218 init_bttv_i2c(btv);
4219
4220
4221 bttv_init_card2(btv);
4222 bttv_init_tuner(btv);
4223 if (btv->tuner_type != TUNER_ABSENT) {
4224 bttv_set_frequency(btv, &init_freq);
4225 btv->radio_freq = 90500 * 16;
4226 }
4227 btv->std = V4L2_STD_PAL;
4228 init_irqreg(btv);
4229 v4l2_ctrl_handler_setup(hdl);
4230 if (hdl->error) {
4231 result = hdl->error;
4232 goto fail2;
4233 }
4234
4235 audio_mute(btv, 1);
4236
4237
4238 if (!bttv_tvcards[btv->c.type].no_video) {
4239 v4l2_ctrl_add_handler(&btv->radio_ctrl_handler, hdl,
4240 v4l2_ctrl_radio_filter);
4241 if (btv->radio_ctrl_handler.error) {
4242 result = btv->radio_ctrl_handler.error;
4243 goto fail2;
4244 }
4245 set_input(btv, 0, btv->tvnorm);
4246 bttv_crop_reset(&btv->crop[0], btv->tvnorm);
4247 btv->crop[1] = btv->crop[0];
4248 disclaim_vbi_lines(btv);
4249 disclaim_video_lines(btv);
4250 bttv_register_video(btv);
4251 }
4252
4253
4254 if (bttv_tvcards[btv->c.type].has_dvb) {
4255 bttv_sub_add_device(&btv->c, "dvb");
4256 request_modules(btv);
4257 }
4258
4259 if (!disable_ir) {
4260 init_bttv_i2c_ir(btv);
4261 bttv_input_init(btv);
4262 }
4263
4264
4265 bttv_num++;
4266 return 0;
4267
4268fail2:
4269 free_irq(btv->c.pci->irq,btv);
4270
4271fail1:
4272 v4l2_ctrl_handler_free(&btv->ctrl_handler);
4273 v4l2_ctrl_handler_free(&btv->radio_ctrl_handler);
4274 v4l2_device_unregister(&btv->c.v4l2_dev);
4275
4276fail0:
4277 if (btv->bt848_mmio)
4278 iounmap(btv->bt848_mmio);
4279 release_mem_region(pci_resource_start(btv->c.pci,0),
4280 pci_resource_len(btv->c.pci,0));
4281 return result;
4282}
4283
4284static void bttv_remove(struct pci_dev *pci_dev)
4285{
4286 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
4287 struct bttv *btv = to_bttv(v4l2_dev);
4288
4289 if (bttv_verbose)
4290 pr_info("%d: unloading\n", btv->c.nr);
4291
4292 if (bttv_tvcards[btv->c.type].has_dvb)
4293 flush_request_modules(btv);
4294
4295
4296 btand(~15, BT848_GPIO_DMA_CTL);
4297 btwrite(0, BT848_INT_MASK);
4298 btwrite(~0x0, BT848_INT_STAT);
4299 btwrite(0x0, BT848_GPIO_OUT_EN);
4300 if (bttv_gpio)
4301 bttv_gpio_tracking(btv,"cleanup");
4302
4303
4304 btv->shutdown=1;
4305 bttv_input_fini(btv);
4306 bttv_sub_del_devices(&btv->c);
4307
4308
4309 fini_bttv_i2c(btv);
4310
4311
4312 bttv_unregister_video(btv);
4313
4314
4315 v4l2_ctrl_handler_free(&btv->ctrl_handler);
4316 v4l2_ctrl_handler_free(&btv->radio_ctrl_handler);
4317 btcx_riscmem_free(btv->c.pci,&btv->main);
4318
4319
4320 free_irq(btv->c.pci->irq,btv);
4321 iounmap(btv->bt848_mmio);
4322 release_mem_region(pci_resource_start(btv->c.pci,0),
4323 pci_resource_len(btv->c.pci,0));
4324
4325 v4l2_device_unregister(&btv->c.v4l2_dev);
4326 bttvs[btv->c.nr] = NULL;
4327 kfree(btv);
4328
4329 return;
4330}
4331
4332#ifdef CONFIG_PM
4333static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state)
4334{
4335 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
4336 struct bttv *btv = to_bttv(v4l2_dev);
4337 struct bttv_buffer_set idle;
4338 unsigned long flags;
4339
4340 dprintk("%d: suspend %d\n", btv->c.nr, state.event);
4341
4342
4343 spin_lock_irqsave(&btv->s_lock,flags);
4344 memset(&idle, 0, sizeof(idle));
4345 btv->state.video = btv->curr;
4346 btv->state.vbi = btv->cvbi;
4347 btv->state.loop_irq = btv->loop_irq;
4348 btv->curr = idle;
4349 btv->loop_irq = 0;
4350 bttv_buffer_activate_video(btv, &idle);
4351 bttv_buffer_activate_vbi(btv, NULL);
4352 bttv_set_dma(btv, 0);
4353 btwrite(0, BT848_INT_MASK);
4354 spin_unlock_irqrestore(&btv->s_lock,flags);
4355
4356
4357 btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN);
4358 btv->state.gpio_data = gpio_read();
4359
4360
4361 pci_save_state(pci_dev);
4362 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
4363 pci_disable_device(pci_dev);
4364 btv->state.disabled = 1;
4365 }
4366 return 0;
4367}
4368
4369static int bttv_resume(struct pci_dev *pci_dev)
4370{
4371 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
4372 struct bttv *btv = to_bttv(v4l2_dev);
4373 unsigned long flags;
4374 int err;
4375
4376 dprintk("%d: resume\n", btv->c.nr);
4377
4378
4379 if (btv->state.disabled) {
4380 err=pci_enable_device(pci_dev);
4381 if (err) {
4382 pr_warn("%d: Can't enable device\n", btv->c.nr);
4383 return err;
4384 }
4385 btv->state.disabled = 0;
4386 }
4387 err=pci_set_power_state(pci_dev, PCI_D0);
4388 if (err) {
4389 pci_disable_device(pci_dev);
4390 pr_warn("%d: Can't enable device\n", btv->c.nr);
4391 btv->state.disabled = 1;
4392 return err;
4393 }
4394
4395 pci_restore_state(pci_dev);
4396
4397
4398 bttv_reinit_bt848(btv);
4399 gpio_inout(0xffffff, btv->state.gpio_enable);
4400 gpio_write(btv->state.gpio_data);
4401
4402
4403 spin_lock_irqsave(&btv->s_lock,flags);
4404 btv->curr = btv->state.video;
4405 btv->cvbi = btv->state.vbi;
4406 btv->loop_irq = btv->state.loop_irq;
4407 bttv_buffer_activate_video(btv, &btv->curr);
4408 bttv_buffer_activate_vbi(btv, btv->cvbi);
4409 bttv_set_dma(btv, 0);
4410 spin_unlock_irqrestore(&btv->s_lock,flags);
4411 return 0;
4412}
4413#endif
4414
4415static struct pci_device_id bttv_pci_tbl[] = {
4416 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT848), 0},
4417 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT849), 0},
4418 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT878), 0},
4419 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT879), 0},
4420 {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_FUSION879), 0},
4421 {0,}
4422};
4423
4424MODULE_DEVICE_TABLE(pci, bttv_pci_tbl);
4425
4426static struct pci_driver bttv_pci_driver = {
4427 .name = "bttv",
4428 .id_table = bttv_pci_tbl,
4429 .probe = bttv_probe,
4430 .remove = bttv_remove,
4431#ifdef CONFIG_PM
4432 .suspend = bttv_suspend,
4433 .resume = bttv_resume,
4434#endif
4435};
4436
4437static int __init bttv_init_module(void)
4438{
4439 int ret;
4440
4441 bttv_num = 0;
4442
4443 pr_info("driver version %s loaded\n", BTTV_VERSION);
4444 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
4445 gbuffers = 2;
4446 if (gbufsize > BTTV_MAX_FBUF)
4447 gbufsize = BTTV_MAX_FBUF;
4448 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
4449 if (bttv_verbose)
4450 pr_info("using %d buffers with %dk (%d pages) each for capture\n",
4451 gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT);
4452
4453 bttv_check_chipset();
4454
4455 ret = bus_register(&bttv_sub_bus_type);
4456 if (ret < 0) {
4457 pr_warn("bus_register error: %d\n", ret);
4458 return ret;
4459 }
4460 ret = pci_register_driver(&bttv_pci_driver);
4461 if (ret < 0)
4462 bus_unregister(&bttv_sub_bus_type);
4463
4464 return ret;
4465}
4466
4467static void __exit bttv_cleanup_module(void)
4468{
4469 pci_unregister_driver(&bttv_pci_driver);
4470 bus_unregister(&bttv_sub_bus_type);
4471}
4472
4473module_init(bttv_init_module);
4474module_exit(bttv_cleanup_module);
4475
4476
4477
4478
4479
4480
4481