3 bttv - Bt848 frame grabber driver
5 Copyright (C) 1996,97,98 Ralph Metzler <rjkm@thp.uni-koeln.de>
6 & Marcus Metzler <mocm@thp.uni-koeln.de>
7 (c) 1999-2002 Gerd Knorr <kraxel@bytesex.org>
9 some v4l2 code lines are taken from Justin's bttv2 driver which is
10 (c) 2000 Justin Schoeman <justin@suntiger.ee.up.ac.za>
12 Cropping and overscan support
13 Copyright (C) 2005, 2006 Michael H. Schimek <mschimek@gmx.at>
14 Sponsored by OPQ Systems AB
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 2 of the License, or
19 (at your option) any later version.
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 #include <linux/init.h>
32 #include <linux/module.h>
33 #include <linux/delay.h>
34 #include <linux/errno.h>
36 #include <linux/kernel.h>
37 #include <linux/sched.h>
38 #include <linux/interrupt.h>
39 #include <linux/kdev_t.h>
41 #include <media/v4l2-common.h>
42 #include <media/tvaudio.h>
43 #include <media/msp3400.h>
45 #include <linux/dma-mapping.h>
48 #include <asm/byteorder.h>
50 #include <media/rds.h>
53 unsigned int bttv_num; /* number of Bt848s in use */
54 struct bttv bttvs[BTTV_MAX];
56 unsigned int bttv_debug;
57 unsigned int bttv_verbose = 1;
58 unsigned int bttv_gpio;
60 /* config variables */
62 static unsigned int bigendian=1;
64 static unsigned int bigendian;
66 static unsigned int radio[BTTV_MAX];
67 static unsigned int irq_debug;
68 static unsigned int gbuffers = 8;
69 static unsigned int gbufsize = 0x208000;
70 static unsigned int reset_crop = 1;
72 static int video_nr = -1;
73 static int radio_nr = -1;
74 static int vbi_nr = -1;
75 static int debug_latency;
77 static unsigned int fdsr;
80 static unsigned int combfilter;
81 static unsigned int lumafilter;
82 static unsigned int automute = 1;
83 static unsigned int chroma_agc;
84 static unsigned int adc_crush = 1;
85 static unsigned int whitecrush_upper = 0xCF;
86 static unsigned int whitecrush_lower = 0x7F;
87 static unsigned int vcr_hack;
88 static unsigned int irq_iswitch;
89 static unsigned int uv_ratio = 50;
90 static unsigned int full_luma_range;
91 static unsigned int coring;
92 extern int no_overlay;
94 /* API features (turn on/off stuff for testing) */
95 static unsigned int v4l2 = 1;
98 module_param(bttv_verbose, int, 0644);
99 module_param(bttv_gpio, int, 0644);
100 module_param(bttv_debug, int, 0644);
101 module_param(irq_debug, int, 0644);
102 module_param(debug_latency, int, 0644);
104 module_param(fdsr, int, 0444);
105 module_param(video_nr, int, 0444);
106 module_param(radio_nr, int, 0444);
107 module_param(vbi_nr, int, 0444);
108 module_param(gbuffers, int, 0444);
109 module_param(gbufsize, int, 0444);
110 module_param(reset_crop, int, 0444);
112 module_param(v4l2, int, 0644);
113 module_param(bigendian, int, 0644);
114 module_param(irq_iswitch, int, 0644);
115 module_param(combfilter, int, 0444);
116 module_param(lumafilter, int, 0444);
117 module_param(automute, int, 0444);
118 module_param(chroma_agc, int, 0444);
119 module_param(adc_crush, int, 0444);
120 module_param(whitecrush_upper, int, 0444);
121 module_param(whitecrush_lower, int, 0444);
122 module_param(vcr_hack, int, 0444);
123 module_param(uv_ratio, int, 0444);
124 module_param(full_luma_range, int, 0444);
125 module_param(coring, int, 0444);
127 module_param_array(radio, int, NULL, 0444);
129 MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)");
130 MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian");
131 MODULE_PARM_DESC(bttv_verbose,"verbose startup messages, default is 1 (yes)");
132 MODULE_PARM_DESC(bttv_gpio,"log gpio changes, default is 0 (no)");
133 MODULE_PARM_DESC(bttv_debug,"debug messages, default is 0 (no)");
134 MODULE_PARM_DESC(irq_debug,"irq handler debug messages, default is 0 (no)");
135 MODULE_PARM_DESC(gbuffers,"number of capture buffers. range 2-32, default 8");
136 MODULE_PARM_DESC(gbufsize,"size of the capture buffers, default is 0x208000");
137 MODULE_PARM_DESC(reset_crop,"reset cropping parameters at open(), default "
138 "is 1 (yes) for compatibility with older applications");
139 MODULE_PARM_DESC(automute,"mute audio on bad/missing video signal, default is 1 (yes)");
140 MODULE_PARM_DESC(chroma_agc,"enables the AGC of chroma signal, default is 0 (no)");
141 MODULE_PARM_DESC(adc_crush,"enables the luminance ADC crush, default is 1 (yes)");
142 MODULE_PARM_DESC(whitecrush_upper,"sets the white crush upper value, default is 207");
143 MODULE_PARM_DESC(whitecrush_lower,"sets the white crush lower value, default is 127");
144 MODULE_PARM_DESC(vcr_hack,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)");
145 MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler");
146 MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50");
147 MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)");
148 MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)");
150 MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards");
151 MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr");
152 MODULE_LICENSE("GPL");
154 /* ----------------------------------------------------------------------- */
157 static ssize_t show_card(struct device *cd,
158 struct device_attribute *attr, char *buf)
160 struct video_device *vfd = to_video_device(cd);
161 struct bttv *btv = dev_get_drvdata(vfd->dev);
162 return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET);
164 static DEVICE_ATTR(card, S_IRUGO, show_card, NULL);
166 /* ----------------------------------------------------------------------- */
167 /* dvb auto-load setup */
168 #if defined(CONFIG_MODULES) && defined(MODULE)
169 static void request_module_async(struct work_struct *work)
171 request_module("dvb-bt8xx");
174 static void request_modules(struct bttv *dev)
176 INIT_WORK(&dev->request_module_wk, request_module_async);
177 schedule_work(&dev->request_module_wk);
180 #define request_modules(dev)
181 #endif /* CONFIG_MODULES */
184 /* ----------------------------------------------------------------------- */
187 /* special timing tables from conexant... */
188 static u8 SRAM_Table[][60] =
190 /* PAL digital input over GPIO[7:0] */
192 45, // 45 bytes following
193 0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16,
194 0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00,
195 0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00,
196 0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37,
197 0x37,0x00,0xAF,0x21,0x00
199 /* NTSC digital input over GPIO[7:0] */
201 51, // 51 bytes following
202 0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06,
203 0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00,
204 0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07,
205 0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6,
206 0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21,
209 // TGB_NTSC392 // quartzsight
210 // This table has been modified to be used for Fusion Rev D
212 0x2A, // size of table = 42
213 0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24,
214 0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10,
215 0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00,
216 0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3,
221 /* minhdelayx1 first video pixel we can capture on a line and
222 hdelayx1 start of active video, both relative to rising edge of
223 /HRESET pulse (0H) in 1 / fCLKx1.
224 swidth width of active video and
225 totalwidth total line width, both in 1 / fCLKx1.
226 sqwidth total line width in square pixels.
227 vdelay start of active video in 2 * field lines relative to
228 trailing edge of /VRESET pulse (VDELAY register).
229 sheight height of active video in 2 * field lines.
230 videostart0 ITU-R frame line number of the line corresponding
231 to vdelay in the first field. */
232 #define CROPCAP(minhdelayx1, hdelayx1, swidth, totalwidth, sqwidth, \
233 vdelay, sheight, videostart0) \
234 .cropcap.bounds.left = minhdelayx1, \
235 /* * 2 because vertically we count field lines times two, */ \
236 /* e.g. 23 * 2 to 23 * 2 + 576 in PAL-BGHI defrect. */ \
237 .cropcap.bounds.top = (videostart0) * 2 - (vdelay) + MIN_VDELAY, \
238 /* 4 is a safety margin at the end of the line. */ \
239 .cropcap.bounds.width = (totalwidth) - (minhdelayx1) - 4, \
240 .cropcap.bounds.height = (sheight) + (vdelay) - MIN_VDELAY, \
241 .cropcap.defrect.left = hdelayx1, \
242 .cropcap.defrect.top = (videostart0) * 2, \
243 .cropcap.defrect.width = swidth, \
244 .cropcap.defrect.height = sheight, \
245 .cropcap.pixelaspect.numerator = totalwidth, \
246 .cropcap.pixelaspect.denominator = sqwidth,
248 const struct bttv_tvnorm bttv_tvnorms[] = {
250 /* max. active video is actually 922, but 924 is divisible by 4 and 3! */
251 /* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */
253 .v4l2_id = V4L2_STD_PAL,
261 .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1),
262 .scaledtwidth = 1135,
266 .vbipack = 255, /* min (2048 / 4, 0x1ff) & 0xff */
268 /* ITU-R frame line number of the first VBI line
269 we can capture, of the first and second field.
270 The last line is determined by cropcap.bounds. */
271 .vbistart = { 7, 320 },
272 CROPCAP(/* minhdelayx1 */ 68,
274 /* Should be (768 * 1135 + 944 / 2) / 944.
275 cropcap.defrect is used for image width
276 checks, so we keep the old value 924. */
278 /* totalwidth */ 1135,
282 /* videostart0 */ 23)
283 /* bt878 (and bt848?) can capture another
284 line below active video. */
285 .cropcap.bounds.height = (576 + 2) + 0x20 - 2,
287 .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR,
295 .iform = (BT848_IFORM_NTSC|BT848_IFORM_XT0),
300 .vbipack = 144, /* min (1600 / 4, 0x1ff) & 0xff */
302 .vbistart = { 10, 273 },
303 CROPCAP(/* minhdelayx1 */ 68,
305 /* Should be (640 * 910 + 780 / 2) / 780? */
307 /* totalwidth */ 910,
311 /* videostart0 */ 23)
313 .v4l2_id = V4L2_STD_SECAM,
321 .iform = (BT848_IFORM_SECAM|BT848_IFORM_XT1),
322 .scaledtwidth = 1135,
327 .sram = 0, /* like PAL, correct? */
328 .vbistart = { 7, 320 },
329 CROPCAP(/* minhdelayx1 */ 68,
332 /* totalwidth */ 1135,
336 /* videostart0 */ 23)
338 .v4l2_id = V4L2_STD_PAL_Nc,
346 .iform = (BT848_IFORM_PAL_NC|BT848_IFORM_XT0),
353 .vbistart = { 7, 320 },
354 CROPCAP(/* minhdelayx1 */ 68,
356 /* swidth */ (640 * 910 + 780 / 2) / 780,
357 /* totalwidth */ 910,
361 /* videostart0 */ 23)
363 .v4l2_id = V4L2_STD_PAL_M,
371 .iform = (BT848_IFORM_PAL_M|BT848_IFORM_XT0),
378 .vbistart = { 10, 273 },
379 CROPCAP(/* minhdelayx1 */ 68,
381 /* swidth */ (640 * 910 + 780 / 2) / 780,
382 /* totalwidth */ 910,
386 /* videostart0 */ 23)
388 .v4l2_id = V4L2_STD_PAL_N,
396 .iform = (BT848_IFORM_PAL_N|BT848_IFORM_XT1),
403 .vbistart = { 7, 320 },
404 CROPCAP(/* minhdelayx1 */ 68,
406 /* swidth */ (768 * 1135 + 944 / 2) / 944,
407 /* totalwidth */ 1135,
411 /* videostart0 */ 23)
413 .v4l2_id = V4L2_STD_NTSC_M_JP,
421 .iform = (BT848_IFORM_NTSC_J|BT848_IFORM_XT0),
428 .vbistart = { 10, 273 },
429 CROPCAP(/* minhdelayx1 */ 68,
431 /* swidth */ (640 * 910 + 780 / 2) / 780,
432 /* totalwidth */ 910,
436 /* videostart0 */ 23)
438 /* that one hopefully works with the strange timing
439 * which video recorders produce when playing a NTSC
440 * tape on a PAL TV ... */
441 .v4l2_id = V4L2_STD_PAL_60,
449 .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1),
450 .scaledtwidth = 1135,
457 .vbistart = { 10, 273 },
458 CROPCAP(/* minhdelayx1 */ 68,
461 /* totalwidth */ 1135,
465 /* videostart0 */ 23)
468 static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms);
470 /* ----------------------------------------------------------------------- */
472 packed pixel formats must come first */
473 static const struct bttv_format bttv_formats[] = {
475 .name = "8 bpp, gray",
476 .palette = VIDEO_PALETTE_GREY,
477 .fourcc = V4L2_PIX_FMT_GREY,
478 .btformat = BT848_COLOR_FMT_Y8,
480 .flags = FORMAT_FLAGS_PACKED,
482 .name = "8 bpp, dithered color",
483 .palette = VIDEO_PALETTE_HI240,
484 .fourcc = V4L2_PIX_FMT_HI240,
485 .btformat = BT848_COLOR_FMT_RGB8,
487 .flags = FORMAT_FLAGS_PACKED | FORMAT_FLAGS_DITHER,
489 .name = "15 bpp RGB, le",
490 .palette = VIDEO_PALETTE_RGB555,
491 .fourcc = V4L2_PIX_FMT_RGB555,
492 .btformat = BT848_COLOR_FMT_RGB15,
494 .flags = FORMAT_FLAGS_PACKED,
496 .name = "15 bpp RGB, be",
498 .fourcc = V4L2_PIX_FMT_RGB555X,
499 .btformat = BT848_COLOR_FMT_RGB15,
500 .btswap = 0x03, /* byteswap */
502 .flags = FORMAT_FLAGS_PACKED,
504 .name = "16 bpp RGB, le",
505 .palette = VIDEO_PALETTE_RGB565,
506 .fourcc = V4L2_PIX_FMT_RGB565,
507 .btformat = BT848_COLOR_FMT_RGB16,
509 .flags = FORMAT_FLAGS_PACKED,
511 .name = "16 bpp RGB, be",
513 .fourcc = V4L2_PIX_FMT_RGB565X,
514 .btformat = BT848_COLOR_FMT_RGB16,
515 .btswap = 0x03, /* byteswap */
517 .flags = FORMAT_FLAGS_PACKED,
519 .name = "24 bpp RGB, le",
520 .palette = VIDEO_PALETTE_RGB24,
521 .fourcc = V4L2_PIX_FMT_BGR24,
522 .btformat = BT848_COLOR_FMT_RGB24,
524 .flags = FORMAT_FLAGS_PACKED,
526 .name = "32 bpp RGB, le",
527 .palette = VIDEO_PALETTE_RGB32,
528 .fourcc = V4L2_PIX_FMT_BGR32,
529 .btformat = BT848_COLOR_FMT_RGB32,
531 .flags = FORMAT_FLAGS_PACKED,
533 .name = "32 bpp RGB, be",
535 .fourcc = V4L2_PIX_FMT_RGB32,
536 .btformat = BT848_COLOR_FMT_RGB32,
537 .btswap = 0x0f, /* byte+word swap */
539 .flags = FORMAT_FLAGS_PACKED,
541 .name = "4:2:2, packed, YUYV",
542 .palette = VIDEO_PALETTE_YUV422,
543 .fourcc = V4L2_PIX_FMT_YUYV,
544 .btformat = BT848_COLOR_FMT_YUY2,
546 .flags = FORMAT_FLAGS_PACKED,
548 .name = "4:2:2, packed, YUYV",
549 .palette = VIDEO_PALETTE_YUYV,
550 .fourcc = V4L2_PIX_FMT_YUYV,
551 .btformat = BT848_COLOR_FMT_YUY2,
553 .flags = FORMAT_FLAGS_PACKED,
555 .name = "4:2:2, packed, UYVY",
556 .palette = VIDEO_PALETTE_UYVY,
557 .fourcc = V4L2_PIX_FMT_UYVY,
558 .btformat = BT848_COLOR_FMT_YUY2,
559 .btswap = 0x03, /* byteswap */
561 .flags = FORMAT_FLAGS_PACKED,
563 .name = "4:2:2, planar, Y-Cb-Cr",
564 .palette = VIDEO_PALETTE_YUV422P,
565 .fourcc = V4L2_PIX_FMT_YUV422P,
566 .btformat = BT848_COLOR_FMT_YCrCb422,
568 .flags = FORMAT_FLAGS_PLANAR,
572 .name = "4:2:0, planar, Y-Cb-Cr",
573 .palette = VIDEO_PALETTE_YUV420P,
574 .fourcc = V4L2_PIX_FMT_YUV420,
575 .btformat = BT848_COLOR_FMT_YCrCb422,
577 .flags = FORMAT_FLAGS_PLANAR,
581 .name = "4:2:0, planar, Y-Cr-Cb",
583 .fourcc = V4L2_PIX_FMT_YVU420,
584 .btformat = BT848_COLOR_FMT_YCrCb422,
586 .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb,
590 .name = "4:1:1, planar, Y-Cb-Cr",
591 .palette = VIDEO_PALETTE_YUV411P,
592 .fourcc = V4L2_PIX_FMT_YUV411P,
593 .btformat = BT848_COLOR_FMT_YCrCb411,
595 .flags = FORMAT_FLAGS_PLANAR,
599 .name = "4:1:0, planar, Y-Cb-Cr",
600 .palette = VIDEO_PALETTE_YUV410P,
601 .fourcc = V4L2_PIX_FMT_YUV410,
602 .btformat = BT848_COLOR_FMT_YCrCb411,
604 .flags = FORMAT_FLAGS_PLANAR,
608 .name = "4:1:0, planar, Y-Cr-Cb",
610 .fourcc = V4L2_PIX_FMT_YVU410,
611 .btformat = BT848_COLOR_FMT_YCrCb411,
613 .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb,
617 .name = "raw scanlines",
618 .palette = VIDEO_PALETTE_RAW,
620 .btformat = BT848_COLOR_FMT_RAW,
622 .flags = FORMAT_FLAGS_RAW,
625 static const unsigned int BTTV_FORMATS = ARRAY_SIZE(bttv_formats);
627 /* ----------------------------------------------------------------------- */
629 #define V4L2_CID_PRIVATE_CHROMA_AGC (V4L2_CID_PRIVATE_BASE + 0)
630 #define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_PRIVATE_BASE + 1)
631 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 2)
632 #define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_PRIVATE_BASE + 3)
633 #define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_PRIVATE_BASE + 4)
634 #define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_PRIVATE_BASE + 5)
635 #define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_PRIVATE_BASE + 6)
636 #define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_PRIVATE_BASE + 7)
637 #define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_PRIVATE_BASE + 8)
638 #define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_PRIVATE_BASE + 9)
639 #define V4L2_CID_PRIVATE_CORING (V4L2_CID_PRIVATE_BASE + 10)
640 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 11)
642 static const struct v4l2_queryctrl no_ctl = {
644 .flags = V4L2_CTRL_FLAG_DISABLED,
646 static const struct v4l2_queryctrl bttv_ctls[] = {
649 .id = V4L2_CID_BRIGHTNESS,
650 .name = "Brightness",
654 .default_value = 32768,
655 .type = V4L2_CTRL_TYPE_INTEGER,
657 .id = V4L2_CID_CONTRAST,
662 .default_value = 32768,
663 .type = V4L2_CTRL_TYPE_INTEGER,
665 .id = V4L2_CID_SATURATION,
666 .name = "Saturation",
670 .default_value = 32768,
671 .type = V4L2_CTRL_TYPE_INTEGER,
678 .default_value = 32768,
679 .type = V4L2_CTRL_TYPE_INTEGER,
683 .id = V4L2_CID_AUDIO_MUTE,
687 .type = V4L2_CTRL_TYPE_BOOLEAN,
689 .id = V4L2_CID_AUDIO_VOLUME,
694 .default_value = 65535,
695 .type = V4L2_CTRL_TYPE_INTEGER,
697 .id = V4L2_CID_AUDIO_BALANCE,
702 .default_value = 32768,
703 .type = V4L2_CTRL_TYPE_INTEGER,
705 .id = V4L2_CID_AUDIO_BASS,
710 .default_value = 32768,
711 .type = V4L2_CTRL_TYPE_INTEGER,
713 .id = V4L2_CID_AUDIO_TREBLE,
718 .default_value = 32768,
719 .type = V4L2_CTRL_TYPE_INTEGER,
721 /* --- private --- */
723 .id = V4L2_CID_PRIVATE_CHROMA_AGC,
724 .name = "chroma agc",
727 .type = V4L2_CTRL_TYPE_BOOLEAN,
729 .id = V4L2_CID_PRIVATE_COMBFILTER,
730 .name = "combfilter",
733 .type = V4L2_CTRL_TYPE_BOOLEAN,
735 .id = V4L2_CID_PRIVATE_AUTOMUTE,
739 .type = V4L2_CTRL_TYPE_BOOLEAN,
741 .id = V4L2_CID_PRIVATE_LUMAFILTER,
742 .name = "luma decimation filter",
745 .type = V4L2_CTRL_TYPE_BOOLEAN,
747 .id = V4L2_CID_PRIVATE_AGC_CRUSH,
751 .type = V4L2_CTRL_TYPE_BOOLEAN,
753 .id = V4L2_CID_PRIVATE_VCR_HACK,
757 .type = V4L2_CTRL_TYPE_BOOLEAN,
759 .id = V4L2_CID_PRIVATE_WHITECRUSH_UPPER,
760 .name = "whitecrush upper",
764 .default_value = 0xCF,
765 .type = V4L2_CTRL_TYPE_INTEGER,
767 .id = V4L2_CID_PRIVATE_WHITECRUSH_LOWER,
768 .name = "whitecrush lower",
772 .default_value = 0x7F,
773 .type = V4L2_CTRL_TYPE_INTEGER,
775 .id = V4L2_CID_PRIVATE_UV_RATIO,
781 .type = V4L2_CTRL_TYPE_INTEGER,
783 .id = V4L2_CID_PRIVATE_FULL_LUMA_RANGE,
784 .name = "full luma range",
787 .type = V4L2_CTRL_TYPE_BOOLEAN,
789 .id = V4L2_CID_PRIVATE_CORING,
795 .type = V4L2_CTRL_TYPE_INTEGER,
801 static const int BTTV_CTLS = ARRAY_SIZE(bttv_ctls);
803 /* ----------------------------------------------------------------------- */
804 /* resource management */
807 RESOURCE_ allocated by freed by
809 VIDEO_READ bttv_read 1) bttv_read 2)
811 VIDEO_STREAM VIDIOC_STREAMON VIDIOC_STREAMOFF
812 VIDIOC_QBUF 1) bttv_release
815 OVERLAY VIDIOCCAPTURE on VIDIOCCAPTURE off
816 VIDIOC_OVERLAY on VIDIOC_OVERLAY off
819 VBI VIDIOC_STREAMON VIDIOC_STREAMOFF
820 VIDIOC_QBUF 1) bttv_release
821 bttv_read, bttv_poll 1) 4)
823 1) The resource must be allocated when we enter buffer prepare functions
824 and remain allocated while buffers are in the DMA queue.
825 2) This is a single frame read.
826 3) VIDIOC_S_FBUF and VIDIOC_S_FMT (OVERLAY) still work when
827 RESOURCE_OVERLAY is allocated.
828 4) This is a continuous read, implies VIDIOC_STREAMON.
830 Note this driver permits video input and standard changes regardless if
831 resources are allocated.
834 #define VBI_RESOURCES (RESOURCE_VBI)
835 #define VIDEO_RESOURCES (RESOURCE_VIDEO_READ | \
836 RESOURCE_VIDEO_STREAM | \
840 int check_alloc_btres(struct bttv *btv, struct bttv_fh *fh, int bit)
842 int xbits; /* mutual exclusive resources */
844 if (fh->resources & bit)
845 /* have it already allocated */
849 if (bit & (RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM))
850 xbits |= RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM;
853 mutex_lock(&btv->lock);
854 if (btv->resources & xbits) {
855 /* no, someone else uses it */
859 if ((bit & VIDEO_RESOURCES)
860 && 0 == (btv->resources & VIDEO_RESOURCES)) {
861 /* Do crop - use current, don't - use default parameters. */
862 __s32 top = btv->crop[!!fh->do_crop].rect.top;
864 if (btv->vbi_end > top)
867 /* We cannot capture the same line as video and VBI data.
868 Claim scan lines crop[].rect.top to bottom. */
869 btv->crop_start = top;
870 } else if (bit & VBI_RESOURCES) {
871 __s32 end = fh->vbi_fmt.end;
873 if (end > btv->crop_start)
876 /* Claim scan lines above fh->vbi_fmt.end. */
880 /* it's free, grab it */
881 fh->resources |= bit;
882 btv->resources |= bit;
883 mutex_unlock(&btv->lock);
887 mutex_unlock(&btv->lock);
892 int check_btres(struct bttv_fh *fh, int bit)
894 return (fh->resources & bit);
898 int locked_btres(struct bttv *btv, int bit)
900 return (btv->resources & bit);
903 /* Call with btv->lock down. */
905 disclaim_vbi_lines(struct bttv *btv)
910 /* Call with btv->lock down. */
912 disclaim_video_lines(struct bttv *btv)
914 const struct bttv_tvnorm *tvnorm;
917 tvnorm = &bttv_tvnorms[btv->tvnorm];
918 btv->crop_start = tvnorm->cropcap.bounds.top
919 + tvnorm->cropcap.bounds.height;
921 /* VBI capturing ends at VDELAY, start of video capturing, no
922 matter how many lines the VBI RISC program expects. When video
923 capturing is off, it shall no longer "preempt" VBI capturing,
924 so we set VDELAY to maximum. */
925 crop = btread(BT848_E_CROP) | 0xc0;
926 btwrite(crop, BT848_E_CROP);
927 btwrite(0xfe, BT848_E_VDELAY_LO);
928 btwrite(crop, BT848_O_CROP);
929 btwrite(0xfe, BT848_O_VDELAY_LO);
933 void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits)
935 if ((fh->resources & bits) != bits) {
936 /* trying to free ressources not allocated by us ... */
937 printk("bttv: BUG! (btres)\n");
939 mutex_lock(&btv->lock);
940 fh->resources &= ~bits;
941 btv->resources &= ~bits;
943 bits = btv->resources;
945 if (0 == (bits & VIDEO_RESOURCES))
946 disclaim_video_lines(btv);
948 if (0 == (bits & VBI_RESOURCES))
949 disclaim_vbi_lines(btv);
951 mutex_unlock(&btv->lock);
954 /* ----------------------------------------------------------------------- */
955 /* If Bt848a or Bt849, use PLL for PAL/SECAM and crystal for NTSC */
957 /* Frequency = (F_input / PLL_X) * PLL_I.PLL_F/PLL_C
958 PLL_X = Reference pre-divider (0=1, 1=2)
959 PLL_C = Post divider (0=6, 1=4)
960 PLL_I = Integer input
961 PLL_F = Fractional input
963 F_input = 28.636363 MHz:
964 PAL (CLKx2 = 35.46895 MHz): PLL_X = 1, PLL_I = 0x0E, PLL_F = 0xDCF9, PLL_C = 0
967 static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout)
969 unsigned char fl, fh, fi;
971 /* prevent overflows */
984 btwrite(fl, BT848_PLL_F_LO);
985 btwrite(fh, BT848_PLL_F_HI);
986 btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
989 static void set_pll(struct bttv *btv)
993 if (!btv->pll.pll_crystal)
996 if (btv->pll.pll_ofreq == btv->pll.pll_current) {
997 dprintk("bttv%d: PLL: no change required\n",btv->c.nr);
1001 if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
1003 if (btv->pll.pll_current == 0)
1005 bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n",
1006 btv->c.nr,btv->pll.pll_ifreq);
1007 btwrite(0x00,BT848_TGCTRL);
1008 btwrite(0x00,BT848_PLL_XCI);
1009 btv->pll.pll_current = 0;
1013 bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr,
1014 btv->pll.pll_ifreq, btv->pll.pll_ofreq);
1015 set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq);
1017 for (i=0; i<10; i++) {
1018 /* Let other people run while the PLL stabilizes */
1022 if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
1023 btwrite(0,BT848_DSTATUS);
1025 btwrite(0x08,BT848_TGCTRL);
1026 btv->pll.pll_current = btv->pll.pll_ofreq;
1027 bttv_printk(" ok\n");
1031 btv->pll.pll_current = -1;
1032 bttv_printk("failed\n");
1036 /* used to switch between the bt848's analog/digital video capture modes */
1037 static void bt848A_set_timing(struct bttv *btv)
1040 int table_idx = bttv_tvnorms[btv->tvnorm].sram;
1041 int fsc = bttv_tvnorms[btv->tvnorm].Fsc;
1043 if (UNSET == bttv_tvcards[btv->c.type].muxsel[btv->input]) {
1044 dprintk("bttv%d: load digital timing table (table_idx=%d)\n",
1045 btv->c.nr,table_idx);
1047 /* timing change...reset timing generator address */
1048 btwrite(0x00, BT848_TGCTRL);
1049 btwrite(0x02, BT848_TGCTRL);
1050 btwrite(0x00, BT848_TGCTRL);
1052 len=SRAM_Table[table_idx][0];
1053 for(i = 1; i <= len; i++)
1054 btwrite(SRAM_Table[table_idx][i],BT848_TGLB);
1055 btv->pll.pll_ofreq = 27000000;
1058 btwrite(0x11, BT848_TGCTRL);
1059 btwrite(0x41, BT848_DVSIF);
1061 btv->pll.pll_ofreq = fsc;
1063 btwrite(0x0, BT848_DVSIF);
1067 /* ----------------------------------------------------------------------- */
1069 static void bt848_bright(struct bttv *btv, int bright)
1073 // printk("bttv: set bright: %d\n",bright); // DEBUG
1074 btv->bright = bright;
1076 /* We want -128 to 127 we get 0-65535 */
1077 value = (bright >> 8) - 128;
1078 btwrite(value & 0xff, BT848_BRIGHT);
1081 static void bt848_hue(struct bttv *btv, int hue)
1088 value = (hue >> 8) - 128;
1089 btwrite(value & 0xff, BT848_HUE);
1092 static void bt848_contrast(struct bttv *btv, int cont)
1096 btv->contrast = cont;
1099 value = (cont >> 7);
1100 hibit = (value >> 6) & 4;
1101 btwrite(value & 0xff, BT848_CONTRAST_LO);
1102 btaor(hibit, ~4, BT848_E_CONTROL);
1103 btaor(hibit, ~4, BT848_O_CONTROL);
1106 static void bt848_sat(struct bttv *btv, int color)
1108 int val_u,val_v,hibits;
1110 btv->saturation = color;
1112 /* 0-511 for the color */
1113 val_u = ((color * btv->opt_uv_ratio) / 50) >> 7;
1114 val_v = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254;
1115 hibits = (val_u >> 7) & 2;
1116 hibits |= (val_v >> 8) & 1;
1117 btwrite(val_u & 0xff, BT848_SAT_U_LO);
1118 btwrite(val_v & 0xff, BT848_SAT_V_LO);
1119 btaor(hibits, ~3, BT848_E_CONTROL);
1120 btaor(hibits, ~3, BT848_O_CONTROL);
1123 /* ----------------------------------------------------------------------- */
1126 video_mux(struct bttv *btv, unsigned int input)
1130 if (input >= bttv_tvcards[btv->c.type].video_inputs)
1133 /* needed by RemoteVideo MX */
1134 mask2 = bttv_tvcards[btv->c.type].gpiomask2;
1136 gpio_inout(mask2,mask2);
1138 if (input == btv->svhs) {
1139 btor(BT848_CONTROL_COMP, BT848_E_CONTROL);
1140 btor(BT848_CONTROL_COMP, BT848_O_CONTROL);
1142 btand(~BT848_CONTROL_COMP, BT848_E_CONTROL);
1143 btand(~BT848_CONTROL_COMP, BT848_O_CONTROL);
1145 mux = bttv_tvcards[btv->c.type].muxsel[input] & 3;
1146 btaor(mux<<5, ~(3<<5), BT848_IFORM);
1147 dprintk(KERN_DEBUG "bttv%d: video mux: input=%d mux=%d\n",
1148 btv->c.nr,input,mux);
1150 /* card specific hook */
1151 if(bttv_tvcards[btv->c.type].muxsel_hook)
1152 bttv_tvcards[btv->c.type].muxsel_hook (btv, input);
1156 static char *audio_modes[] = {
1157 "audio: tuner", "audio: radio", "audio: extern",
1158 "audio: intern", "audio: mute"
1162 audio_mux(struct bttv *btv, int input, int mute)
1164 int gpio_val, signal;
1165 struct v4l2_control ctrl;
1166 struct i2c_client *c;
1168 gpio_inout(bttv_tvcards[btv->c.type].gpiomask,
1169 bttv_tvcards[btv->c.type].gpiomask);
1170 signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC;
1176 mute = mute || (btv->opt_automute && !signal && !btv->radio_user);
1179 gpio_val = bttv_tvcards[btv->c.type].gpiomute;
1181 gpio_val = bttv_tvcards[btv->c.type].gpiomux[input];
1183 gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val);
1185 bttv_gpio_tracking(btv, audio_modes[mute ? 4 : input]);
1189 ctrl.id = V4L2_CID_AUDIO_MUTE;
1190 ctrl.value = btv->mute;
1191 bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, &ctrl);
1192 c = btv->i2c_msp34xx_client;
1194 struct v4l2_routing route;
1196 /* Note: the inputs tuner/radio/extern/intern are translated
1197 to msp routings. This assumes common behavior for all msp3400
1198 based TV cards. When this assumption fails, then the
1199 specific MSP routing must be added to the card table.
1200 For now this is sufficient. */
1202 case TVAUDIO_INPUT_RADIO:
1203 route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
1204 MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
1206 case TVAUDIO_INPUT_EXTERN:
1207 route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
1208 MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
1210 case TVAUDIO_INPUT_INTERN:
1211 /* Yes, this is the same input as for RADIO. I doubt
1212 if this is ever used. The only board with an INTERN
1213 input is the BTTV_BOARD_AVERMEDIA98. I wonder how
1214 that was tested. My guess is that the whole INTERN
1215 input does not work. */
1216 route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
1217 MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
1219 case TVAUDIO_INPUT_TUNER:
1221 /* This is the only card that uses TUNER2, and afaik,
1222 is the only difference between the VOODOOTV_FM
1224 if (btv->c.type == BTTV_BOARD_VOODOOTV_200)
1225 route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER2, \
1226 MSP_DSP_IN_TUNER, MSP_DSP_IN_TUNER);
1228 route.input = MSP_INPUT_DEFAULT;
1231 route.output = MSP_OUTPUT_DEFAULT;
1232 c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route);
1234 c = btv->i2c_tvaudio_client;
1236 struct v4l2_routing route;
1238 route.input = input;
1240 c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route);
1246 audio_mute(struct bttv *btv, int mute)
1248 return audio_mux(btv, btv->audio, mute);
1252 audio_input(struct bttv *btv, int input)
1254 return audio_mux(btv, input, btv->mute);
1258 i2c_vidiocschan(struct bttv *btv)
1260 v4l2_std_id std = bttv_tvnorms[btv->tvnorm].v4l2_id;
1262 bttv_call_i2c_clients(btv, VIDIOC_S_STD, &std);
1263 if (btv->c.type == BTTV_BOARD_VOODOOTV_FM || btv->c.type == BTTV_BOARD_VOODOOTV_200)
1264 bttv_tda9880_setnorm(btv,btv->tvnorm);
1268 bttv_crop_calc_limits(struct bttv_crop *c)
1270 /* Scale factor min. 1:1, max. 16:1. Min. image size
1271 48 x 32. Scaled width must be a multiple of 4. */
1274 /* For bug compatibility with VIDIOCGCAP and image
1275 size checks in earlier driver versions. */
1276 c->min_scaled_width = 48;
1277 c->min_scaled_height = 32;
1279 c->min_scaled_width =
1280 (max(48, c->rect.width >> 4) + 3) & ~3;
1281 c->min_scaled_height =
1282 max(32, c->rect.height >> 4);
1285 c->max_scaled_width = c->rect.width & ~3;
1286 c->max_scaled_height = c->rect.height;
1290 bttv_crop_reset(struct bttv_crop *c, int norm)
1292 c->rect = bttv_tvnorms[norm].cropcap.defrect;
1293 bttv_crop_calc_limits(c);
1296 /* Call with btv->lock down. */
1298 set_tvnorm(struct bttv *btv, unsigned int norm)
1300 const struct bttv_tvnorm *tvnorm;
1302 if (norm < 0 || norm >= BTTV_TVNORMS)
1305 tvnorm = &bttv_tvnorms[norm];
1307 if (btv->tvnorm < 0 ||
1308 btv->tvnorm >= BTTV_TVNORMS ||
1309 0 != memcmp(&bttv_tvnorms[btv->tvnorm].cropcap,
1311 sizeof (tvnorm->cropcap))) {
1312 bttv_crop_reset(&btv->crop[0], norm);
1313 btv->crop[1] = btv->crop[0]; /* current = default */
1315 if (0 == (btv->resources & VIDEO_RESOURCES)) {
1316 btv->crop_start = tvnorm->cropcap.bounds.top
1317 + tvnorm->cropcap.bounds.height;
1323 btwrite(tvnorm->adelay, BT848_ADELAY);
1324 btwrite(tvnorm->bdelay, BT848_BDELAY);
1325 btaor(tvnorm->iform,~(BT848_IFORM_NORM|BT848_IFORM_XTBOTH),
1327 btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE);
1328 btwrite(1, BT848_VBI_PACK_DEL);
1329 bt848A_set_timing(btv);
1331 switch (btv->c.type) {
1332 case BTTV_BOARD_VOODOOTV_FM:
1333 case BTTV_BOARD_VOODOOTV_200:
1334 bttv_tda9880_setnorm(btv,norm);
1340 /* Call with btv->lock down. */
1342 set_input(struct bttv *btv, unsigned int input, unsigned int norm)
1344 unsigned long flags;
1348 spin_lock_irqsave(&btv->s_lock,flags);
1349 if (btv->curr.frame_irq) {
1350 /* active capture -> delayed input switch */
1351 btv->new_input = input;
1353 video_mux(btv,input);
1355 spin_unlock_irqrestore(&btv->s_lock,flags);
1357 video_mux(btv,input);
1359 audio_input(btv,(input == bttv_tvcards[btv->c.type].tuner ?
1360 TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN));
1361 set_tvnorm(btv, norm);
1362 i2c_vidiocschan(btv);
1365 static void init_irqreg(struct bttv *btv)
1368 btwrite(0xfffffUL, BT848_INT_STAT);
1370 if (bttv_tvcards[btv->c.type].no_video) {
1372 btwrite(BT848_INT_I2CDONE,
1376 btwrite((btv->triton1) |
1377 (btv->gpioirq ? BT848_INT_GPINT : 0) |
1379 (fdsr ? BT848_INT_FDSR : 0) |
1380 BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES|
1381 BT848_INT_FMTCHG|BT848_INT_HLOCK|
1387 static void init_bt848(struct bttv *btv)
1391 if (bttv_tvcards[btv->c.type].no_video) {
1392 /* very basic init only */
1397 btwrite(0x00, BT848_CAP_CTL);
1398 btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL);
1399 btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM);
1401 /* set planar and packed mode trigger points and */
1402 /* set rising edge of inverted GPINTR pin as irq trigger */
1403 btwrite(BT848_GPIO_DMA_CTL_PKTP_32|
1404 BT848_GPIO_DMA_CTL_PLTP1_16|
1405 BT848_GPIO_DMA_CTL_PLTP23_16|
1406 BT848_GPIO_DMA_CTL_GPINTC|
1407 BT848_GPIO_DMA_CTL_GPINTI,
1408 BT848_GPIO_DMA_CTL);
1410 val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0;
1411 btwrite(val, BT848_E_SCLOOP);
1412 btwrite(val, BT848_O_SCLOOP);
1414 btwrite(0x20, BT848_E_VSCALE_HI);
1415 btwrite(0x20, BT848_O_VSCALE_HI);
1416 btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
1419 btwrite(whitecrush_upper, BT848_WC_UP);
1420 btwrite(whitecrush_lower, BT848_WC_DOWN);
1422 if (btv->opt_lumafilter) {
1423 btwrite(0, BT848_E_CONTROL);
1424 btwrite(0, BT848_O_CONTROL);
1426 btwrite(BT848_CONTROL_LDEC, BT848_E_CONTROL);
1427 btwrite(BT848_CONTROL_LDEC, BT848_O_CONTROL);
1430 bt848_bright(btv, btv->bright);
1431 bt848_hue(btv, btv->hue);
1432 bt848_contrast(btv, btv->contrast);
1433 bt848_sat(btv, btv->saturation);
1439 static void bttv_reinit_bt848(struct bttv *btv)
1441 unsigned long flags;
1444 printk(KERN_INFO "bttv%d: reset, reinitialize\n",btv->c.nr);
1445 spin_lock_irqsave(&btv->s_lock,flags);
1447 bttv_set_dma(btv,0);
1448 spin_unlock_irqrestore(&btv->s_lock,flags);
1451 btv->pll.pll_current = -1;
1452 set_input(btv, btv->input, btv->tvnorm);
1455 static int get_control(struct bttv *btv, struct v4l2_control *c)
1457 struct video_audio va;
1460 for (i = 0; i < BTTV_CTLS; i++)
1461 if (bttv_ctls[i].id == c->id)
1465 if (btv->audio_hook && i >= 4 && i <= 8) {
1466 memset(&va,0,sizeof(va));
1467 btv->audio_hook(btv,&va,0);
1469 case V4L2_CID_AUDIO_MUTE:
1470 c->value = (VIDEO_AUDIO_MUTE & va.flags) ? 1 : 0;
1472 case V4L2_CID_AUDIO_VOLUME:
1473 c->value = va.volume;
1475 case V4L2_CID_AUDIO_BALANCE:
1476 c->value = va.balance;
1478 case V4L2_CID_AUDIO_BASS:
1481 case V4L2_CID_AUDIO_TREBLE:
1482 c->value = va.treble;
1488 case V4L2_CID_BRIGHTNESS:
1489 c->value = btv->bright;
1492 c->value = btv->hue;
1494 case V4L2_CID_CONTRAST:
1495 c->value = btv->contrast;
1497 case V4L2_CID_SATURATION:
1498 c->value = btv->saturation;
1501 case V4L2_CID_AUDIO_MUTE:
1502 case V4L2_CID_AUDIO_VOLUME:
1503 case V4L2_CID_AUDIO_BALANCE:
1504 case V4L2_CID_AUDIO_BASS:
1505 case V4L2_CID_AUDIO_TREBLE:
1506 bttv_call_i2c_clients(btv,VIDIOC_G_CTRL,c);
1509 case V4L2_CID_PRIVATE_CHROMA_AGC:
1510 c->value = btv->opt_chroma_agc;
1512 case V4L2_CID_PRIVATE_COMBFILTER:
1513 c->value = btv->opt_combfilter;
1515 case V4L2_CID_PRIVATE_LUMAFILTER:
1516 c->value = btv->opt_lumafilter;
1518 case V4L2_CID_PRIVATE_AUTOMUTE:
1519 c->value = btv->opt_automute;
1521 case V4L2_CID_PRIVATE_AGC_CRUSH:
1522 c->value = btv->opt_adc_crush;
1524 case V4L2_CID_PRIVATE_VCR_HACK:
1525 c->value = btv->opt_vcr_hack;
1527 case V4L2_CID_PRIVATE_WHITECRUSH_UPPER:
1528 c->value = btv->opt_whitecrush_upper;
1530 case V4L2_CID_PRIVATE_WHITECRUSH_LOWER:
1531 c->value = btv->opt_whitecrush_lower;
1533 case V4L2_CID_PRIVATE_UV_RATIO:
1534 c->value = btv->opt_uv_ratio;
1536 case V4L2_CID_PRIVATE_FULL_LUMA_RANGE:
1537 c->value = btv->opt_full_luma_range;
1539 case V4L2_CID_PRIVATE_CORING:
1540 c->value = btv->opt_coring;
1548 static int set_control(struct bttv *btv, struct v4l2_control *c)
1550 struct video_audio va;
1553 for (i = 0; i < BTTV_CTLS; i++)
1554 if (bttv_ctls[i].id == c->id)
1558 if (btv->audio_hook && i >= 4 && i <= 8) {
1559 memset(&va,0,sizeof(va));
1560 btv->audio_hook(btv,&va,0);
1562 case V4L2_CID_AUDIO_MUTE:
1564 va.flags |= VIDEO_AUDIO_MUTE;
1567 va.flags &= ~VIDEO_AUDIO_MUTE;
1572 case V4L2_CID_AUDIO_VOLUME:
1573 va.volume = c->value;
1575 case V4L2_CID_AUDIO_BALANCE:
1576 va.balance = c->value;
1578 case V4L2_CID_AUDIO_BASS:
1581 case V4L2_CID_AUDIO_TREBLE:
1582 va.treble = c->value;
1585 btv->audio_hook(btv,&va,1);
1589 case V4L2_CID_BRIGHTNESS:
1590 bt848_bright(btv,c->value);
1593 bt848_hue(btv,c->value);
1595 case V4L2_CID_CONTRAST:
1596 bt848_contrast(btv,c->value);
1598 case V4L2_CID_SATURATION:
1599 bt848_sat(btv,c->value);
1601 case V4L2_CID_AUDIO_MUTE:
1602 audio_mute(btv, c->value);
1604 case V4L2_CID_AUDIO_VOLUME:
1605 case V4L2_CID_AUDIO_BALANCE:
1606 case V4L2_CID_AUDIO_BASS:
1607 case V4L2_CID_AUDIO_TREBLE:
1608 bttv_call_i2c_clients(btv,VIDIOC_S_CTRL,c);
1611 case V4L2_CID_PRIVATE_CHROMA_AGC:
1612 btv->opt_chroma_agc = c->value;
1613 val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0;
1614 btwrite(val, BT848_E_SCLOOP);
1615 btwrite(val, BT848_O_SCLOOP);
1617 case V4L2_CID_PRIVATE_COMBFILTER:
1618 btv->opt_combfilter = c->value;
1620 case V4L2_CID_PRIVATE_LUMAFILTER:
1621 btv->opt_lumafilter = c->value;
1622 if (btv->opt_lumafilter) {
1623 btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL);
1624 btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL);
1626 btor(BT848_CONTROL_LDEC, BT848_E_CONTROL);
1627 btor(BT848_CONTROL_LDEC, BT848_O_CONTROL);
1630 case V4L2_CID_PRIVATE_AUTOMUTE:
1631 btv->opt_automute = c->value;
1633 case V4L2_CID_PRIVATE_AGC_CRUSH:
1634 btv->opt_adc_crush = c->value;
1635 btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
1638 case V4L2_CID_PRIVATE_VCR_HACK:
1639 btv->opt_vcr_hack = c->value;
1641 case V4L2_CID_PRIVATE_WHITECRUSH_UPPER:
1642 btv->opt_whitecrush_upper = c->value;
1643 btwrite(c->value, BT848_WC_UP);
1645 case V4L2_CID_PRIVATE_WHITECRUSH_LOWER:
1646 btv->opt_whitecrush_lower = c->value;
1647 btwrite(c->value, BT848_WC_DOWN);
1649 case V4L2_CID_PRIVATE_UV_RATIO:
1650 btv->opt_uv_ratio = c->value;
1651 bt848_sat(btv, btv->saturation);
1653 case V4L2_CID_PRIVATE_FULL_LUMA_RANGE:
1654 btv->opt_full_luma_range = c->value;
1655 btaor((c->value<<7), ~BT848_OFORM_RANGE, BT848_OFORM);
1657 case V4L2_CID_PRIVATE_CORING:
1658 btv->opt_coring = c->value;
1659 btaor((c->value<<5), ~BT848_OFORM_CORE32, BT848_OFORM);
1667 /* ----------------------------------------------------------------------- */
1669 void bttv_gpio_tracking(struct bttv *btv, char *comment)
1671 unsigned int outbits, data;
1672 outbits = btread(BT848_GPIO_OUT_EN);
1673 data = btread(BT848_GPIO_DATA);
1674 printk(KERN_DEBUG "bttv%d: gpio: en=%08x, out=%08x in=%08x [%s]\n",
1675 btv->c.nr,outbits,data & outbits, data & ~outbits, comment);
1678 static void bttv_field_count(struct bttv *btv)
1686 /* start field counter */
1687 btor(BT848_INT_VSYNC,BT848_INT_MASK);
1689 /* stop field counter */
1690 btand(~BT848_INT_VSYNC,BT848_INT_MASK);
1691 btv->field_count = 0;
1695 static const struct bttv_format*
1696 format_by_palette(int palette)
1700 for (i = 0; i < BTTV_FORMATS; i++) {
1701 if (-1 == bttv_formats[i].palette)
1703 if (bttv_formats[i].palette == palette)
1704 return bttv_formats+i;
1709 static const struct bttv_format*
1710 format_by_fourcc(int fourcc)
1714 for (i = 0; i < BTTV_FORMATS; i++) {
1715 if (-1 == bttv_formats[i].fourcc)
1717 if (bttv_formats[i].fourcc == fourcc)
1718 return bttv_formats+i;
1723 /* ----------------------------------------------------------------------- */
1727 bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh,
1728 struct bttv_buffer *new)
1730 struct bttv_buffer *old;
1731 unsigned long flags;
1734 dprintk("switch_overlay: enter [new=%p]\n",new);
1736 new->vb.state = STATE_DONE;
1737 spin_lock_irqsave(&btv->s_lock,flags);
1741 bttv_set_dma(btv, 0x03);
1742 spin_unlock_irqrestore(&btv->s_lock,flags);
1744 dprintk("switch_overlay: old=%p state is %d\n",old,old->vb.state);
1745 bttv_dma_free(&fh->cap,btv, old);
1749 free_btres(btv,fh,RESOURCE_OVERLAY);
1750 dprintk("switch_overlay: done\n");
1754 /* ----------------------------------------------------------------------- */
1755 /* video4linux (1) interface */
1757 static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv,
1758 struct bttv_buffer *buf,
1759 const struct bttv_format *fmt,
1760 unsigned int width, unsigned int height,
1761 enum v4l2_field field)
1763 struct bttv_fh *fh = q->priv_data;
1764 int redo_dma_risc = 0;
1769 /* check settings */
1772 if (fmt->btformat == BT848_COLOR_FMT_RAW) {
1774 height = RAW_LINES*2;
1775 if (width*height > buf->vb.bsize)
1777 buf->vb.size = buf->vb.bsize;
1779 /* Make sure tvnorm and vbi_end remain consistent
1780 until we're done. */
1781 mutex_lock(&btv->lock);
1785 /* In this mode capturing always starts at defrect.top
1786 (default VDELAY), ignoring cropping parameters. */
1787 if (btv->vbi_end > bttv_tvnorms[norm].cropcap.defrect.top) {
1788 mutex_unlock(&btv->lock);
1792 mutex_unlock(&btv->lock);
1794 c.rect = bttv_tvnorms[norm].cropcap.defrect;
1796 mutex_lock(&btv->lock);
1799 c = btv->crop[!!fh->do_crop];
1801 mutex_unlock(&btv->lock);
1803 if (width < c.min_scaled_width ||
1804 width > c.max_scaled_width ||
1805 height < c.min_scaled_height)
1809 case V4L2_FIELD_TOP:
1810 case V4L2_FIELD_BOTTOM:
1811 case V4L2_FIELD_ALTERNATE:
1812 /* btv->crop counts frame lines. Max. scale
1813 factor is 16:1 for frames, 8:1 for fields. */
1814 if (height * 2 > c.max_scaled_height)
1819 if (height > c.max_scaled_height)
1824 buf->vb.size = (width * height * fmt->depth) >> 3;
1825 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
1829 /* alloc + fill struct bttv_buffer (if changed) */
1830 if (buf->vb.width != width || buf->vb.height != height ||
1831 buf->vb.field != field ||
1832 buf->tvnorm != norm || buf->fmt != fmt ||
1833 buf->crop.top != c.rect.top ||
1834 buf->crop.left != c.rect.left ||
1835 buf->crop.width != c.rect.width ||
1836 buf->crop.height != c.rect.height) {
1837 buf->vb.width = width;
1838 buf->vb.height = height;
1839 buf->vb.field = field;
1846 /* alloc risc memory */
1847 if (STATE_NEEDS_INIT == buf->vb.state) {
1849 if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf)))
1854 if (0 != (rc = bttv_buffer_risc(btv,buf)))
1857 buf->vb.state = STATE_PREPARED;
1861 bttv_dma_free(q,btv,buf);
1866 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1868 struct bttv_fh *fh = q->priv_data;
1870 *size = fh->fmt->depth*fh->width*fh->height >> 3;
1873 while (*size * *count > gbuffers * gbufsize)
1879 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
1880 enum v4l2_field field)
1882 struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
1883 struct bttv_fh *fh = q->priv_data;
1885 return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt,
1886 fh->width, fh->height, field);
1890 buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1892 struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
1893 struct bttv_fh *fh = q->priv_data;
1894 struct bttv *btv = fh->btv;
1896 buf->vb.state = STATE_QUEUED;
1897 list_add_tail(&buf->vb.queue,&btv->capture);
1898 if (!btv->curr.frame_irq) {
1900 bttv_set_dma(btv, 0x03);
1904 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1906 struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
1907 struct bttv_fh *fh = q->priv_data;
1909 bttv_dma_free(q,fh->btv,buf);
1912 static struct videobuf_queue_ops bttv_video_qops = {
1913 .buf_setup = buffer_setup,
1914 .buf_prepare = buffer_prepare,
1915 .buf_queue = buffer_queue,
1916 .buf_release = buffer_release,
1919 static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
1923 return BTTV_VERSION_CODE;
1925 /* *** v4l1 *** ************************************************ */
1928 unsigned long *freq = arg;
1934 struct v4l2_frequency freq;
1936 memset(&freq, 0, sizeof(freq));
1937 freq.frequency = *(unsigned long *)arg;
1938 mutex_lock(&btv->lock);
1939 freq.type = btv->radio_user ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1940 btv->freq = *(unsigned long *)arg;
1941 bttv_call_i2c_clients(btv,VIDIOC_S_FREQUENCY,&freq);
1942 if (btv->has_matchbox && btv->radio_user)
1943 tea5757_set_freq(btv,*(unsigned long *)arg);
1944 mutex_unlock(&btv->lock);
1950 struct video_tuner *v = arg;
1952 if (UNSET == bttv_tvcards[btv->c.type].tuner)
1954 if (v->tuner) /* Only tuner 0 */
1956 strcpy(v->name, "Television");
1958 v->rangehigh = 0x7FFFFFFF;
1959 v->flags = VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM;
1960 v->mode = btv->tvnorm;
1961 v->signal = (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) ? 0xFFFF : 0;
1962 bttv_call_i2c_clients(btv,cmd,v);
1967 struct video_tuner *v = arg;
1969 if (v->tuner) /* Only tuner 0 */
1971 if (v->mode >= BTTV_TVNORMS)
1974 mutex_lock(&btv->lock);
1975 set_tvnorm(btv,v->mode);
1976 bttv_call_i2c_clients(btv,cmd,v);
1977 mutex_unlock(&btv->lock);
1983 struct video_channel *v = arg;
1984 unsigned int channel = v->channel;
1986 if (channel >= bttv_tvcards[btv->c.type].video_inputs)
1989 v->flags = VIDEO_VC_AUDIO;
1990 v->type = VIDEO_TYPE_CAMERA;
1991 v->norm = btv->tvnorm;
1992 if (channel == bttv_tvcards[btv->c.type].tuner) {
1993 strcpy(v->name,"Television");
1994 v->flags|=VIDEO_VC_TUNER;
1995 v->type=VIDEO_TYPE_TV;
1997 } else if (channel == btv->svhs) {
1998 strcpy(v->name,"S-Video");
2000 sprintf(v->name,"Composite%d",channel);
2006 struct video_channel *v = arg;
2007 unsigned int channel = v->channel;
2009 if (channel >= bttv_tvcards[btv->c.type].video_inputs)
2011 if (v->norm >= BTTV_TVNORMS)
2014 mutex_lock(&btv->lock);
2015 if (channel == btv->input &&
2016 v->norm == btv->tvnorm) {
2018 mutex_unlock(&btv->lock);
2022 set_input(btv, v->channel, v->norm);
2023 mutex_unlock(&btv->lock);
2029 struct video_audio *v = arg;
2031 memset(v,0,sizeof(*v));
2032 strcpy(v->name,"Television");
2033 v->flags |= VIDEO_AUDIO_MUTABLE;
2034 v->mode = VIDEO_SOUND_MONO;
2036 mutex_lock(&btv->lock);
2037 bttv_call_i2c_clients(btv,cmd,v);
2039 /* card specific hooks */
2040 if (btv->audio_hook)
2041 btv->audio_hook(btv,v,0);
2043 mutex_unlock(&btv->lock);
2048 struct video_audio *v = arg;
2049 unsigned int audio = v->audio;
2051 if (audio >= bttv_tvcards[btv->c.type].audio_inputs)
2054 mutex_lock(&btv->lock);
2055 audio_mute(btv, (v->flags&VIDEO_AUDIO_MUTE) ? 1 : 0);
2056 bttv_call_i2c_clients(btv,cmd,v);
2058 /* card specific hooks */
2059 if (btv->audio_hook)
2060 btv->audio_hook(btv,v,1);
2062 mutex_unlock(&btv->lock);
2066 /* *** v4l2 *** ************************************************ */
2067 case VIDIOC_ENUMSTD:
2069 struct v4l2_standard *e = arg;
2070 unsigned int index = e->index;
2072 if (index >= BTTV_TVNORMS)
2074 v4l2_video_std_construct(e, bttv_tvnorms[e->index].v4l2_id,
2075 bttv_tvnorms[e->index].name);
2081 v4l2_std_id *id = arg;
2082 *id = bttv_tvnorms[btv->tvnorm].v4l2_id;
2087 v4l2_std_id *id = arg;
2090 for (i = 0; i < BTTV_TVNORMS; i++)
2091 if (*id & bttv_tvnorms[i].v4l2_id)
2093 if (i == BTTV_TVNORMS)
2096 mutex_lock(&btv->lock);
2098 i2c_vidiocschan(btv);
2099 mutex_unlock(&btv->lock);
2102 case VIDIOC_QUERYSTD:
2104 v4l2_std_id *id = arg;
2106 if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML)
2107 *id = V4L2_STD_625_50;
2109 *id = V4L2_STD_525_60;
2113 case VIDIOC_ENUMINPUT:
2115 struct v4l2_input *i = arg;
2119 if (n >= bttv_tvcards[btv->c.type].video_inputs)
2121 memset(i,0,sizeof(*i));
2123 i->type = V4L2_INPUT_TYPE_CAMERA;
2125 if (i->index == bttv_tvcards[btv->c.type].tuner) {
2126 sprintf(i->name, "Television");
2127 i->type = V4L2_INPUT_TYPE_TUNER;
2129 } else if (i->index == btv->svhs) {
2130 sprintf(i->name, "S-Video");
2132 sprintf(i->name,"Composite%d",i->index);
2134 if (i->index == btv->input) {
2135 __u32 dstatus = btread(BT848_DSTATUS);
2136 if (0 == (dstatus & BT848_DSTATUS_PRES))
2137 i->status |= V4L2_IN_ST_NO_SIGNAL;
2138 if (0 == (dstatus & BT848_DSTATUS_HLOC))
2139 i->status |= V4L2_IN_ST_NO_H_LOCK;
2141 for (n = 0; n < BTTV_TVNORMS; n++)
2142 i->std |= bttv_tvnorms[n].v4l2_id;
2145 case VIDIOC_G_INPUT:
2151 case VIDIOC_S_INPUT:
2153 unsigned int *i = arg;
2155 if (*i > bttv_tvcards[btv->c.type].video_inputs)
2157 mutex_lock(&btv->lock);
2158 set_input(btv, *i, btv->tvnorm);
2159 mutex_unlock(&btv->lock);
2163 case VIDIOC_G_TUNER:
2165 struct v4l2_tuner *t = arg;
2167 if (UNSET == bttv_tvcards[btv->c.type].tuner)
2171 mutex_lock(&btv->lock);
2172 memset(t,0,sizeof(*t));
2173 t->rxsubchans = V4L2_TUNER_SUB_MONO;
2174 bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t);
2175 strcpy(t->name, "Television");
2176 t->capability = V4L2_TUNER_CAP_NORM;
2177 t->type = V4L2_TUNER_ANALOG_TV;
2178 if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
2181 if (btv->audio_hook) {
2183 struct video_audio va;
2184 memset(&va, 0, sizeof(struct video_audio));
2185 btv->audio_hook(btv,&va,0);
2186 t->audmode = V4L2_TUNER_MODE_MONO;
2187 t->rxsubchans = V4L2_TUNER_SUB_MONO;
2188 if(va.mode & VIDEO_SOUND_STEREO) {
2189 t->audmode = V4L2_TUNER_MODE_STEREO;
2190 t->rxsubchans = V4L2_TUNER_SUB_STEREO;
2192 if(va.mode & VIDEO_SOUND_LANG2) {
2193 t->audmode = V4L2_TUNER_MODE_LANG1;
2194 t->rxsubchans = V4L2_TUNER_SUB_LANG1
2195 | V4L2_TUNER_SUB_LANG2;
2198 /* FIXME: fill capability+audmode */
2199 mutex_unlock(&btv->lock);
2202 case VIDIOC_S_TUNER:
2204 struct v4l2_tuner *t = arg;
2206 if (UNSET == bttv_tvcards[btv->c.type].tuner)
2210 mutex_lock(&btv->lock);
2211 bttv_call_i2c_clients(btv, VIDIOC_S_TUNER, t);
2212 if (btv->audio_hook) {
2213 struct video_audio va;
2214 memset(&va, 0, sizeof(struct video_audio));
2215 if (t->audmode == V4L2_TUNER_MODE_MONO)
2216 va.mode = VIDEO_SOUND_MONO;
2217 else if (t->audmode == V4L2_TUNER_MODE_STEREO ||
2218 t->audmode == V4L2_TUNER_MODE_LANG1_LANG2)
2219 va.mode = VIDEO_SOUND_STEREO;
2220 else if (t->audmode == V4L2_TUNER_MODE_LANG1)
2221 va.mode = VIDEO_SOUND_LANG1;
2222 else if (t->audmode == V4L2_TUNER_MODE_LANG2)
2223 va.mode = VIDEO_SOUND_LANG2;
2224 btv->audio_hook(btv,&va,1);
2226 mutex_unlock(&btv->lock);
2230 case VIDIOC_G_FREQUENCY:
2232 struct v4l2_frequency *f = arg;
2234 memset(f,0,sizeof(*f));
2235 f->type = V4L2_TUNER_ANALOG_TV;
2236 f->frequency = btv->freq;
2239 case VIDIOC_S_FREQUENCY:
2241 struct v4l2_frequency *f = arg;
2243 if (unlikely(f->tuner != 0))
2245 if (unlikely (f->type != V4L2_TUNER_ANALOG_TV))
2247 mutex_lock(&btv->lock);
2248 btv->freq = f->frequency;
2249 bttv_call_i2c_clients(btv,VIDIOC_S_FREQUENCY,f);
2250 if (btv->has_matchbox && btv->radio_user)
2251 tea5757_set_freq(btv,btv->freq);
2252 mutex_unlock(&btv->lock);
2255 case VIDIOC_LOG_STATUS:
2257 printk(KERN_INFO "bttv%d: ================= START STATUS CARD #%d =================\n", btv->c.nr, btv->c.nr);
2258 bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL);
2259 printk(KERN_INFO "bttv%d: ================== END STATUS CARD #%d ==================\n", btv->c.nr, btv->c.nr);
2262 #ifdef CONFIG_VIDEO_ADV_DEBUG
2263 case VIDIOC_DBG_G_REGISTER:
2264 case VIDIOC_DBG_S_REGISTER:
2266 struct v4l2_register *reg = arg;
2267 if (!capable(CAP_SYS_ADMIN))
2269 if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
2271 /* bt848 has a 12-bit register space */
2273 if (cmd == VIDIOC_DBG_G_REGISTER)
2274 reg->val = btread(reg->reg);
2276 btwrite(reg->val, reg->reg);
2282 return -ENOIOCTLCMD;
2288 /* Given cropping boundaries b and the scaled width and height of a
2289 single field or frame, which must not exceed hardware limits, this
2290 function adjusts the cropping parameters c. */
2292 bttv_crop_adjust (struct bttv_crop * c,
2293 const struct v4l2_rect * b,
2296 enum v4l2_field field)
2298 __s32 frame_height = height << !V4L2_FIELD_HAS_BOTH(field);
2302 if (width < c->min_scaled_width) {
2303 /* Max. hor. scale factor 16:1. */
2304 c->rect.width = width * 16;
2305 } else if (width > c->max_scaled_width) {
2306 /* Min. hor. scale factor 1:1. */
2307 c->rect.width = width;
2309 max_left = b->left + b->width - width;
2310 max_left = min(max_left, (__s32) MAX_HDELAY);
2311 if (c->rect.left > max_left)
2312 c->rect.left = max_left;
2315 if (height < c->min_scaled_height) {
2316 /* Max. vert. scale factor 16:1, single fields 8:1. */
2317 c->rect.height = height * 16;
2318 } else if (frame_height > c->max_scaled_height) {
2319 /* Min. vert. scale factor 1:1.
2320 Top and height count field lines times two. */
2321 c->rect.height = (frame_height + 1) & ~1;
2323 max_top = b->top + b->height - c->rect.height;
2324 if (c->rect.top > max_top)
2325 c->rect.top = max_top;
2328 bttv_crop_calc_limits(c);
2331 /* Returns an error if scaling to a frame or single field with the given
2332 width and height is not possible with the current cropping parameters
2333 and width aligned according to width_mask. If adjust_size is TRUE the
2334 function may adjust the width and/or height instead, rounding width
2335 to (width + width_bias) & width_mask. If adjust_crop is TRUE it may
2336 also adjust the current cropping parameters to get closer to the
2337 desired image size. */
2339 limit_scaled_size (struct bttv_fh * fh,
2342 enum v4l2_field field,
2343 unsigned int width_mask,
2344 unsigned int width_bias,
2348 struct bttv *btv = fh->btv;
2349 const struct v4l2_rect *b;
2350 struct bttv_crop *c;
2357 BUG_ON((int) width_mask >= 0 ||
2358 width_bias >= (unsigned int) -width_mask);
2360 /* Make sure tvnorm, vbi_end and the current cropping parameters
2361 remain consistent until we're done. */
2362 mutex_lock(&btv->lock);
2364 b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
2366 /* Do crop - use current, don't - use default parameters. */
2367 c = &btv->crop[!!fh->do_crop];
2372 && !locked_btres(btv, VIDEO_RESOURCES)) {
2376 /* We cannot scale up. When the scaled image is larger
2377 than crop.rect we adjust the crop.rect as required
2378 by the V4L2 spec, hence cropcap.bounds are our limit. */
2379 max_width = min(b->width, (__s32) MAX_HACTIVE);
2380 max_height = b->height;
2382 /* We cannot capture the same line as video and VBI data.
2383 Note btv->vbi_end is really a minimum, see
2384 bttv_vbi_try_fmt(). */
2385 if (btv->vbi_end > b->top) {
2386 max_height -= btv->vbi_end - b->top;
2388 if (min_height > max_height)
2393 if (btv->vbi_end > c->rect.top)
2396 min_width = c->min_scaled_width;
2397 min_height = c->min_scaled_height;
2398 max_width = c->max_scaled_width;
2399 max_height = c->max_scaled_height;
2404 min_width = (min_width - width_mask - 1) & width_mask;
2405 max_width = max_width & width_mask;
2407 /* Max. scale factor is 16:1 for frames, 8:1 for fields. */
2408 min_height = min_height;
2409 /* Min. scale factor is 1:1. */
2410 max_height >>= !V4L2_FIELD_HAS_BOTH(field);
2413 *width = clamp(*width, min_width, max_width);
2414 *height = clamp(*height, min_height, max_height);
2416 /* Round after clamping to avoid overflow. */
2417 *width = (*width + width_bias) & width_mask;
2420 bttv_crop_adjust(c, b, *width, *height, field);
2422 if (btv->vbi_end > c->rect.top) {
2423 /* Move the crop window out of the way. */
2424 c->rect.top = btv->vbi_end;
2429 if (*width < min_width ||
2430 *height < min_height ||
2431 *width > max_width ||
2432 *height > max_height ||
2433 0 != (*width & ~width_mask))
2437 rc = 0; /* success */
2440 mutex_unlock(&btv->lock);
2445 /* Returns an error if the given overlay window dimensions are not
2446 possible with the current cropping parameters. If adjust_size is
2447 TRUE the function may adjust the window width and/or height
2448 instead, however it always rounds the horizontal position and
2449 width as btcx_align() does. If adjust_crop is TRUE the function
2450 may also adjust the current cropping parameters to get closer
2451 to the desired window size. */
2453 verify_window (struct bttv_fh * fh,
2454 struct v4l2_window * win,
2458 enum v4l2_field field;
2459 unsigned int width_mask;
2462 if (win->w.width < 48 || win->w.height < 32)
2464 if (win->clipcount > 2048)
2469 if (V4L2_FIELD_ANY == field) {
2472 height2 = fh->btv->crop[!!fh->do_crop].rect.height >> 1;
2473 field = (win->w.height > height2)
2474 ? V4L2_FIELD_INTERLACED
2478 case V4L2_FIELD_TOP:
2479 case V4L2_FIELD_BOTTOM:
2480 case V4L2_FIELD_INTERLACED:
2486 /* 4-byte alignment. */
2487 if (NULL == fh->ovfmt)
2490 switch (fh->ovfmt->depth) {
2504 win->w.width -= win->w.left & ~width_mask;
2505 win->w.left = (win->w.left - width_mask - 1) & width_mask;
2507 rc = limit_scaled_size(fh, &win->w.width, &win->w.height,
2509 /* width_bias: round down */ 0,
2510 adjust_size, adjust_crop);
2518 static int setup_window(struct bttv_fh *fh, struct bttv *btv,
2519 struct v4l2_window *win, int fixup)
2521 struct v4l2_clip *clips = NULL;
2522 int n,size,retval = 0;
2524 if (NULL == fh->ovfmt)
2526 if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED))
2528 retval = verify_window(fh, win,
2529 /* adjust_size */ fixup,
2530 /* adjust_crop */ fixup);
2534 /* copy clips -- luckily v4l1 + v4l2 are binary
2535 compatible here ...*/
2537 size = sizeof(*clips)*(n+4);
2538 clips = kmalloc(size,GFP_KERNEL);
2542 if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) {
2547 /* clip against screen */
2548 if (NULL != btv->fbuf.base)
2549 n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height,
2551 btcx_sort_clips(clips,n);
2553 /* 4-byte alignments */
2554 switch (fh->ovfmt->depth) {
2557 btcx_align(&win->w, clips, n, 3);
2560 btcx_align(&win->w, clips, n, 1);
2563 /* no alignment fixups needed */
2569 mutex_lock(&fh->cap.lock);
2570 kfree(fh->ov.clips);
2571 fh->ov.clips = clips;
2575 fh->ov.field = win->field;
2576 fh->ov.setup_ok = 1;
2577 btv->init.ov.w.width = win->w.width;
2578 btv->init.ov.w.height = win->w.height;
2579 btv->init.ov.field = win->field;
2581 /* update overlay if needed */
2583 if (check_btres(fh, RESOURCE_OVERLAY)) {
2584 struct bttv_buffer *new;
2586 new = videobuf_pci_alloc(sizeof(*new));
2587 new->crop = btv->crop[!!fh->do_crop].rect;
2588 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
2589 retval = bttv_switch_overlay(btv,fh,new);
2591 mutex_unlock(&fh->cap.lock);
2595 /* ----------------------------------------------------------------------- */
2597 static struct videobuf_queue* bttv_queue(struct bttv_fh *fh)
2599 struct videobuf_queue* q = NULL;
2602 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2605 case V4L2_BUF_TYPE_VBI_CAPTURE:
2614 static int bttv_resource(struct bttv_fh *fh)
2619 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2620 res = RESOURCE_VIDEO_STREAM;
2622 case V4L2_BUF_TYPE_VBI_CAPTURE:
2631 static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type)
2633 struct videobuf_queue *q = bttv_queue(fh);
2634 int res = bttv_resource(fh);
2636 if (check_btres(fh,res))
2638 if (videobuf_queue_is_busy(q))
2645 pix_format_set_size (struct v4l2_pix_format * f,
2646 const struct bttv_format * fmt,
2648 unsigned int height)
2653 if (fmt->flags & FORMAT_FLAGS_PLANAR) {
2654 f->bytesperline = width; /* Y plane */
2655 f->sizeimage = (width * height * fmt->depth) >> 3;
2657 f->bytesperline = (width * fmt->depth) >> 3;
2658 f->sizeimage = height * f->bytesperline;
2662 static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f)
2665 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2666 memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format));
2667 pix_format_set_size (&f->fmt.pix, fh->fmt,
2668 fh->width, fh->height);
2669 f->fmt.pix.field = fh->cap.field;
2670 f->fmt.pix.pixelformat = fh->fmt->fourcc;
2672 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2673 memset(&f->fmt.win,0,sizeof(struct v4l2_window));
2674 f->fmt.win.w = fh->ov.w;
2675 f->fmt.win.field = fh->ov.field;
2677 case V4L2_BUF_TYPE_VBI_CAPTURE:
2678 bttv_vbi_get_fmt(fh, &f->fmt.vbi);
2685 static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv,
2686 struct v4l2_format *f, int adjust_crop)
2689 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2691 const struct bttv_format *fmt;
2692 enum v4l2_field field;
2693 __s32 width, height;
2696 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
2700 field = f->fmt.pix.field;
2701 if (V4L2_FIELD_ANY == field) {
2704 height2 = btv->crop[!!fh->do_crop].rect.height >> 1;
2705 field = (f->fmt.pix.height > height2)
2706 ? V4L2_FIELD_INTERLACED
2707 : V4L2_FIELD_BOTTOM;
2709 if (V4L2_FIELD_SEQ_BT == field)
2710 field = V4L2_FIELD_SEQ_TB;
2712 case V4L2_FIELD_TOP:
2713 case V4L2_FIELD_BOTTOM:
2714 case V4L2_FIELD_ALTERNATE:
2715 case V4L2_FIELD_INTERLACED:
2717 case V4L2_FIELD_SEQ_TB:
2718 if (fmt->flags & FORMAT_FLAGS_PLANAR)
2725 width = f->fmt.pix.width;
2726 height = f->fmt.pix.height;
2728 rc = limit_scaled_size(fh, &width, &height, field,
2729 /* width_mask: 4 pixels */ ~3,
2730 /* width_bias: nearest */ 2,
2731 /* adjust_size */ 1,
2736 /* update data for the application */
2737 f->fmt.pix.field = field;
2738 pix_format_set_size(&f->fmt.pix, fmt, width, height);
2742 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2743 return verify_window(fh, &f->fmt.win,
2744 /* adjust_size */ 1,
2745 /* adjust_crop */ 0);
2746 case V4L2_BUF_TYPE_VBI_CAPTURE:
2747 return bttv_vbi_try_fmt(fh, &f->fmt.vbi);
2753 static int bttv_s_fmt(struct bttv_fh *fh, struct bttv *btv,
2754 struct v4l2_format *f)
2759 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2761 const struct bttv_format *fmt;
2763 retval = bttv_switch_type(fh,f->type);
2766 retval = bttv_try_fmt(fh,btv,f, /* adjust_crop */ 1);
2769 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
2771 /* update our state informations */
2772 mutex_lock(&fh->cap.lock);
2774 fh->cap.field = f->fmt.pix.field;
2775 fh->cap.last = V4L2_FIELD_NONE;
2776 fh->width = f->fmt.pix.width;
2777 fh->height = f->fmt.pix.height;
2778 btv->init.fmt = fmt;
2779 btv->init.width = f->fmt.pix.width;
2780 btv->init.height = f->fmt.pix.height;
2781 mutex_unlock(&fh->cap.lock);
2785 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2786 if (no_overlay > 0) {
2787 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2790 return setup_window(fh, btv, &f->fmt.win, 1);
2791 case V4L2_BUF_TYPE_VBI_CAPTURE:
2792 retval = bttv_switch_type(fh,f->type);
2795 return bttv_vbi_set_fmt(fh, &f->fmt.vbi);
2801 static int bttv_do_ioctl(struct inode *inode, struct file *file,
2802 unsigned int cmd, void *arg)
2804 struct bttv_fh *fh = file->private_data;
2805 struct bttv *btv = fh->btv;
2806 unsigned long flags;
2810 v4l_print_ioctl(btv->c.name, cmd);
2813 bttv_reinit_bt848(btv);
2821 case VIDIOC_S_INPUT:
2822 case VIDIOC_S_TUNER:
2823 case VIDIOC_S_FREQUENCY:
2824 retval = v4l2_prio_check(&btv->prio,&fh->prio);
2831 /* *** v4l1 *** ************************************************ */
2834 struct video_capability *cap = arg;
2836 memset(cap,0,sizeof(*cap));
2837 strcpy(cap->name,btv->video_dev->name);
2838 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
2840 cap->type = VID_TYPE_TUNER|VID_TYPE_TELETEXT;
2843 cap->type = VID_TYPE_CAPTURE|
2847 if (no_overlay <= 0)
2848 cap->type |= VID_TYPE_OVERLAY;
2850 cap->maxwidth = bttv_tvnorms[btv->tvnorm].swidth;
2851 cap->maxheight = bttv_tvnorms[btv->tvnorm].sheight;
2853 cap->minheight = 32;
2855 cap->channels = bttv_tvcards[btv->c.type].video_inputs;
2856 cap->audios = bttv_tvcards[btv->c.type].audio_inputs;
2862 struct video_picture *pic = arg;
2864 memset(pic,0,sizeof(*pic));
2865 pic->brightness = btv->bright;
2866 pic->contrast = btv->contrast;
2867 pic->hue = btv->hue;
2868 pic->colour = btv->saturation;
2870 pic->depth = fh->fmt->depth;
2871 pic->palette = fh->fmt->palette;
2877 struct video_picture *pic = arg;
2878 const struct bttv_format *fmt;
2880 fmt = format_by_palette(pic->palette);
2883 mutex_lock(&fh->cap.lock);
2884 if (fmt->depth != pic->depth) {
2886 goto fh_unlock_and_return;
2888 if (fmt->flags & FORMAT_FLAGS_RAW) {
2889 /* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL *
2890 RAW_LINES * 2. F1 is stored at offset 0, F2
2891 at buffer size / 2. */
2892 fh->width = RAW_BPL;
2893 fh->height = gbufsize / RAW_BPL;
2894 btv->init.width = RAW_BPL;
2895 btv->init.height = gbufsize / RAW_BPL;
2899 btv->init.ovfmt = fmt;
2900 btv->init.fmt = fmt;
2902 /* dirty hack time: swap bytes for overlay if the
2903 display adaptor is big endian (insmod option) */
2904 if (fmt->palette == VIDEO_PALETTE_RGB555 ||
2905 fmt->palette == VIDEO_PALETTE_RGB565 ||
2906 fmt->palette == VIDEO_PALETTE_RGB32) {
2910 bt848_bright(btv,pic->brightness);
2911 bt848_contrast(btv,pic->contrast);
2912 bt848_hue(btv,pic->hue);
2913 bt848_sat(btv,pic->colour);
2914 mutex_unlock(&fh->cap.lock);
2920 struct video_window *win = arg;
2922 memset(win,0,sizeof(*win));
2923 win->x = fh->ov.w.left;
2924 win->y = fh->ov.w.top;
2925 win->width = fh->ov.w.width;
2926 win->height = fh->ov.w.height;
2931 struct video_window *win = arg;
2932 struct v4l2_window w2;
2934 if (no_overlay > 0) {
2935 printk ("VIDIOCSWIN: no_overlay\n");
2939 w2.field = V4L2_FIELD_ANY;
2942 w2.w.width = win->width;
2943 w2.w.height = win->height;
2944 w2.clipcount = win->clipcount;
2945 w2.clips = (struct v4l2_clip __user *)win->clips;
2946 retval = setup_window(fh, btv, &w2, 0);
2948 /* on v4l1 this ioctl affects the read() size too */
2949 fh->width = fh->ov.w.width;
2950 fh->height = fh->ov.w.height;
2951 btv->init.width = fh->ov.w.width;
2952 btv->init.height = fh->ov.w.height;
2959 struct video_buffer *fbuf = arg;
2961 fbuf->base = btv->fbuf.base;
2962 fbuf->width = btv->fbuf.fmt.width;
2963 fbuf->height = btv->fbuf.fmt.height;
2964 fbuf->bytesperline = btv->fbuf.fmt.bytesperline;
2966 fbuf->depth = fh->ovfmt->depth;
2969 fbuf->depth = ((fbuf->bytesperline<<3)
2979 struct video_buffer *fbuf = arg;
2980 const struct bttv_format *fmt;
2983 if(!capable(CAP_SYS_ADMIN) &&
2984 !capable(CAP_SYS_RAWIO))
2986 end = (unsigned long)fbuf->base +
2987 fbuf->height * fbuf->bytesperline;
2988 mutex_lock(&fh->cap.lock);
2991 switch (fbuf->depth) {
2993 fmt = format_by_palette(VIDEO_PALETTE_HI240);
2996 fmt = format_by_palette(VIDEO_PALETTE_RGB565);
2999 fmt = format_by_palette(VIDEO_PALETTE_RGB24);
3002 fmt = format_by_palette(VIDEO_PALETTE_RGB32);
3006 fmt = format_by_palette(VIDEO_PALETTE_RGB555);
3013 goto fh_unlock_and_return;
3017 btv->init.ovfmt = fmt;
3018 btv->init.fmt = fmt;
3019 btv->fbuf.base = fbuf->base;
3020 btv->fbuf.fmt.width = fbuf->width;
3021 btv->fbuf.fmt.height = fbuf->height;
3022 if (fbuf->bytesperline)
3023 btv->fbuf.fmt.bytesperline = fbuf->bytesperline;
3025 btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fbuf->depth/8;
3026 mutex_unlock(&fh->cap.lock);
3031 case VIDIOC_OVERLAY:
3033 struct bttv_buffer *new;
3038 if (NULL == btv->fbuf.base)
3040 if (!fh->ov.setup_ok) {
3041 dprintk("bttv%d: overlay: !setup_ok\n",btv->c.nr);
3046 if (!check_alloc_btres(btv,fh,RESOURCE_OVERLAY))
3049 mutex_lock(&fh->cap.lock);
3051 fh->ov.tvnorm = btv->tvnorm;
3052 new = videobuf_pci_alloc(sizeof(*new));
3053 new->crop = btv->crop[!!fh->do_crop].rect;
3054 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
3060 retval = bttv_switch_overlay(btv,fh,new);
3061 mutex_unlock(&fh->cap.lock);
3067 struct video_mbuf *mbuf = arg;
3070 mutex_lock(&fh->cap.lock);
3071 retval = videobuf_mmap_setup(&fh->cap,gbuffers,gbufsize,
3074 goto fh_unlock_and_return;
3077 memset(mbuf,0,sizeof(*mbuf));
3078 mbuf->frames = gbuffers;
3079 mbuf->size = gbuffers * gbufsize;
3080 for (i = 0; i < gbuffers; i++)
3081 mbuf->offsets[i] = i * gbufsize;
3082 mutex_unlock(&fh->cap.lock);
3085 case VIDIOCMCAPTURE:
3087 struct video_mmap *vm = arg;
3088 struct bttv_buffer *buf;
3089 enum v4l2_field field;
3093 if (vm->frame >= VIDEO_MAX_FRAME)
3096 res = bttv_resource(fh);
3097 if (!check_alloc_btres(btv, fh, res))
3100 mutex_lock(&fh->cap.lock);
3102 buf = (struct bttv_buffer *)fh->cap.bufs[vm->frame];
3104 goto fh_unlock_and_return;
3105 if (0 == buf->vb.baddr)
3106 goto fh_unlock_and_return;
3107 if (buf->vb.state == STATE_QUEUED ||
3108 buf->vb.state == STATE_ACTIVE)
3109 goto fh_unlock_and_return;
3111 height2 = btv->crop[!!fh->do_crop].rect.height >> 1;
3112 field = (vm->height > height2)
3113 ? V4L2_FIELD_INTERLACED
3114 : V4L2_FIELD_BOTTOM;
3115 retval = bttv_prepare_buffer(&fh->cap,btv,buf,
3116 format_by_palette(vm->format),
3117 vm->width,vm->height,field);
3119 goto fh_unlock_and_return;
3120 spin_lock_irqsave(&btv->s_lock,flags);
3121 buffer_queue(&fh->cap,&buf->vb);
3122 spin_unlock_irqrestore(&btv->s_lock,flags);
3123 mutex_unlock(&fh->cap.lock);
3129 struct bttv_buffer *buf;
3131 if (*frame >= VIDEO_MAX_FRAME)
3134 mutex_lock(&fh->cap.lock);
3136 buf = (struct bttv_buffer *)fh->cap.bufs[*frame];
3138 goto fh_unlock_and_return;
3139 retval = videobuf_waiton(&buf->vb,0,1);
3141 goto fh_unlock_and_return;
3142 switch (buf->vb.state) {
3148 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
3149 videobuf_dma_sync(&fh->cap,dma);
3150 bttv_dma_free(&fh->cap,btv,buf);
3157 mutex_unlock(&fh->cap.lock);
3162 if (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) {
3163 retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE);
3171 return v4l_compat_translate_ioctl(inode, file, cmd,
3172 arg, bttv_do_ioctl);
3183 return bttv_common_ioctls(btv,cmd,arg);
3185 /* *** v4l2 *** ************************************************ */
3186 case VIDIOC_QUERYCAP:
3188 struct v4l2_capability *cap = arg;
3192 memset(cap, 0, sizeof (*cap));
3193 strlcpy(cap->driver, "bttv", sizeof (cap->driver));
3194 strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card));
3195 snprintf(cap->bus_info, sizeof (cap->bus_info),
3196 "PCI:%s", pci_name(btv->c.pci));
3197 cap->version = BTTV_VERSION_CODE;
3199 V4L2_CAP_VIDEO_CAPTURE |
3200 V4L2_CAP_VBI_CAPTURE |
3201 V4L2_CAP_READWRITE |
3203 if (no_overlay <= 0)
3204 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
3206 if (bttv_tvcards[btv->c.type].tuner != UNSET &&
3207 bttv_tvcards[btv->c.type].tuner != TUNER_ABSENT)
3208 cap->capabilities |= V4L2_CAP_TUNER;
3212 case VIDIOC_ENUM_FMT:
3214 struct v4l2_fmtdesc *f = arg;
3215 enum v4l2_buf_type type;
3220 if (V4L2_BUF_TYPE_VBI_CAPTURE == type) {
3225 memset(f,0,sizeof(*f));
3228 f->pixelformat = V4L2_PIX_FMT_GREY;
3229 strcpy(f->description,"vbi data");
3233 /* video capture + overlay */
3235 for (i = 0; i < BTTV_FORMATS; i++) {
3236 if (bttv_formats[i].fourcc != -1)
3238 if ((unsigned int)index == f->index)
3241 if (BTTV_FORMATS == i)
3245 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
3247 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
3248 if (!(bttv_formats[i].flags & FORMAT_FLAGS_PACKED))
3254 memset(f,0,sizeof(*f));
3257 f->pixelformat = bttv_formats[i].fourcc;
3258 strlcpy(f->description,bttv_formats[i].name,sizeof(f->description));
3262 case VIDIOC_TRY_FMT:
3264 struct v4l2_format *f = arg;
3265 return bttv_try_fmt(fh,btv,f, /* adjust_crop */ 0);
3269 struct v4l2_format *f = arg;
3270 return bttv_g_fmt(fh,f);
3274 struct v4l2_format *f = arg;
3275 return bttv_s_fmt(fh,btv,f);
3280 struct v4l2_framebuffer *fb = arg;
3283 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
3285 fb->fmt.pixelformat = fh->ovfmt->fourcc;
3290 struct v4l2_framebuffer *fb = arg;
3291 const struct bttv_format *fmt;
3293 if(!capable(CAP_SYS_ADMIN) &&
3294 !capable(CAP_SYS_RAWIO))
3298 fmt = format_by_fourcc(fb->fmt.pixelformat);
3301 if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
3305 if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
3306 __s32 width = fb->fmt.width;
3307 __s32 height = fb->fmt.height;
3309 retval = limit_scaled_size(fh, &width, &height,
3310 V4L2_FIELD_INTERLACED,
3311 /* width_mask */ ~3,
3313 /* adjust_size */ 0,
3314 /* adjust_crop */ 0);
3320 mutex_lock(&fh->cap.lock);
3321 btv->fbuf.base = fb->base;
3322 btv->fbuf.fmt.width = fb->fmt.width;
3323 btv->fbuf.fmt.height = fb->fmt.height;
3324 if (0 != fb->fmt.bytesperline)
3325 btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline;
3327 btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8;
3331 btv->init.ovfmt = fmt;
3332 if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
3335 fh->ov.w.width = fb->fmt.width;
3336 fh->ov.w.height = fb->fmt.height;
3337 btv->init.ov.w.width = fb->fmt.width;
3338 btv->init.ov.w.height = fb->fmt.height;
3339 kfree(fh->ov.clips);
3340 fh->ov.clips = NULL;
3343 if (check_btres(fh, RESOURCE_OVERLAY)) {
3344 struct bttv_buffer *new;
3346 new = videobuf_pci_alloc(sizeof(*new));
3347 new->crop = btv->crop[!!fh->do_crop].rect;
3348 bttv_overlay_risc(btv,&fh->ov,fh->ovfmt,new);
3349 retval = bttv_switch_overlay(btv,fh,new);
3352 mutex_unlock(&fh->cap.lock);
3356 case VIDIOC_REQBUFS:
3357 return videobuf_reqbufs(bttv_queue(fh),arg);
3359 case VIDIOC_QUERYBUF:
3360 return videobuf_querybuf(bttv_queue(fh),arg);
3364 int res = bttv_resource(fh);
3366 if (!check_alloc_btres(btv, fh, res))
3368 return videobuf_qbuf(bttv_queue(fh),arg);
3372 return videobuf_dqbuf(bttv_queue(fh),arg,
3373 file->f_flags & O_NONBLOCK);
3375 case VIDIOC_STREAMON:
3377 int res = bttv_resource(fh);
3379 if (!check_alloc_btres(btv,fh,res))
3381 return videobuf_streamon(bttv_queue(fh));
3383 case VIDIOC_STREAMOFF:
3385 int res = bttv_resource(fh);
3387 retval = videobuf_streamoff(bttv_queue(fh));
3390 free_btres(btv,fh,res);
3394 case VIDIOC_QUERYCTRL:
3396 struct v4l2_queryctrl *c = arg;
3399 if ((c->id < V4L2_CID_BASE ||
3400 c->id >= V4L2_CID_LASTP1) &&
3401 (c->id < V4L2_CID_PRIVATE_BASE ||
3402 c->id >= V4L2_CID_PRIVATE_LASTP1))
3404 for (i = 0; i < BTTV_CTLS; i++)
3405 if (bttv_ctls[i].id == c->id)
3407 if (i == BTTV_CTLS) {
3412 if (btv->audio_hook && i >= 4 && i <= 8) {
3413 struct video_audio va;
3414 memset(&va,0,sizeof(va));
3415 btv->audio_hook(btv,&va,0);
3416 switch (bttv_ctls[i].id) {
3417 case V4L2_CID_AUDIO_VOLUME:
3418 if (!(va.flags & VIDEO_AUDIO_VOLUME))
3421 case V4L2_CID_AUDIO_BALANCE:
3422 if (!(va.flags & VIDEO_AUDIO_BALANCE))
3425 case V4L2_CID_AUDIO_BASS:
3426 if (!(va.flags & VIDEO_AUDIO_BASS))
3429 case V4L2_CID_AUDIO_TREBLE:
3430 if (!(va.flags & VIDEO_AUDIO_TREBLE))
3438 return get_control(btv,arg);
3440 return set_control(btv,arg);
3443 struct v4l2_streamparm *parm = arg;
3444 struct v4l2_standard s;
3445 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
3447 memset(parm,0,sizeof(*parm));
3448 v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id,
3449 bttv_tvnorms[btv->tvnorm].name);
3450 parm->parm.capture.timeperframe = s.frameperiod;
3454 case VIDIOC_G_PRIORITY:
3456 enum v4l2_priority *p = arg;
3458 *p = v4l2_prio_max(&btv->prio);
3461 case VIDIOC_S_PRIORITY:
3463 enum v4l2_priority *prio = arg;
3465 return v4l2_prio_change(&btv->prio, &fh->prio, *prio);
3468 case VIDIOC_CROPCAP:
3470 struct v4l2_cropcap *cap = arg;
3471 enum v4l2_buf_type type;
3475 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
3476 type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
3479 *cap = bttv_tvnorms[btv->tvnorm].cropcap;
3486 struct v4l2_crop * crop = arg;
3488 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
3489 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
3492 /* No fh->do_crop = 1; because btv->crop[1] may be
3493 inconsistent with fh->width or fh->height and apps
3494 do not expect a change here. */
3496 crop->c = btv->crop[!!fh->do_crop].rect;
3502 struct v4l2_crop *crop = arg;
3503 const struct v4l2_rect *b;
3510 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
3511 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
3514 retval = v4l2_prio_check(&btv->prio,&fh->prio);
3518 /* Make sure tvnorm, vbi_end and the current cropping
3519 parameters remain consistent until we're done. Note
3520 read() may change vbi_end in check_alloc_btres(). */
3521 mutex_lock(&btv->lock);
3525 if (locked_btres(fh->btv, VIDEO_RESOURCES))
3526 goto btv_unlock_and_return;
3528 b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
3531 b_right = b_left + b->width;
3532 b_bottom = b->top + b->height;
3534 b_top = max(b->top, btv->vbi_end);
3535 if (b_top + 32 >= b_bottom)
3536 goto btv_unlock_and_return;
3538 /* Min. scaled size 48 x 32. */
3539 c.rect.left = clamp(crop->c.left, b_left, b_right - 48);
3540 c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY);
3542 c.rect.width = clamp(crop->c.width,
3543 48, b_right - c.rect.left);
3545 c.rect.top = clamp(crop->c.top, b_top, b_bottom - 32);
3546 /* Top and height must be a multiple of two. */
3547 c.rect.top = (c.rect.top + 1) & ~1;
3549 c.rect.height = clamp(crop->c.height,
3550 32, b_bottom - c.rect.top);
3551 c.rect.height = (c.rect.height + 1) & ~1;
3553 bttv_crop_calc_limits(&c);
3557 mutex_unlock(&btv->lock);
3561 mutex_lock(&fh->cap.lock);
3563 if (fh->width < c.min_scaled_width) {
3564 fh->width = c.min_scaled_width;
3565 btv->init.width = c.min_scaled_width;
3566 } else if (fh->width > c.max_scaled_width) {
3567 fh->width = c.max_scaled_width;
3568 btv->init.width = c.max_scaled_width;
3571 if (fh->height < c.min_scaled_height) {
3572 fh->height = c.min_scaled_height;
3573 btv->init.height = c.min_scaled_height;
3574 } else if (fh->height > c.max_scaled_height) {
3575 fh->height = c.max_scaled_height;
3576 btv->init.height = c.max_scaled_height;
3579 mutex_unlock(&fh->cap.lock);
3584 case VIDIOC_ENUMSTD:
3587 case VIDIOC_ENUMINPUT:
3588 case VIDIOC_G_INPUT:
3589 case VIDIOC_S_INPUT:
3590 case VIDIOC_G_TUNER:
3591 case VIDIOC_S_TUNER:
3592 case VIDIOC_G_FREQUENCY:
3593 case VIDIOC_S_FREQUENCY:
3594 case VIDIOC_LOG_STATUS:
3595 case VIDIOC_DBG_G_REGISTER:
3596 case VIDIOC_DBG_S_REGISTER:
3597 return bttv_common_ioctls(btv,cmd,arg);
3600 return -ENOIOCTLCMD;
3604 fh_unlock_and_return:
3605 mutex_unlock(&fh->cap.lock);
3608 btv_unlock_and_return:
3609 mutex_unlock(&btv->lock);
3613 static int bttv_ioctl(struct inode *inode, struct file *file,
3614 unsigned int cmd, unsigned long arg)
3616 struct bttv_fh *fh = file->private_data;
3621 const struct bttv_tvnorm *tvnorm;
3623 tvnorm = fh->vbi_fmt.tvnorm;
3625 if (fh->vbi_fmt.fmt.start[0] != tvnorm->vbistart[0] ||
3626 fh->vbi_fmt.fmt.start[1] != tvnorm->vbistart[1] ||
3627 fh->vbi_fmt.fmt.count[0] != fh->vbi_fmt.fmt.count[1]) {
3628 /* BTTV_VBISIZE cannot express these parameters,
3629 however open() resets the paramters to defaults
3630 and apps shouldn't call BTTV_VBISIZE after
3635 bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE);
3636 return (fh->vbi_fmt.fmt.count[0] * 2
3637 * fh->vbi_fmt.fmt.samples_per_line);
3641 return video_usercopy(inode, file, cmd, arg, bttv_do_ioctl);
3645 static ssize_t bttv_read(struct file *file, char __user *data,
3646 size_t count, loff_t *ppos)
3648 struct bttv_fh *fh = file->private_data;
3651 if (fh->btv->errors)
3652 bttv_reinit_bt848(fh->btv);
3653 dprintk("bttv%d: read count=%d type=%s\n",
3654 fh->btv->c.nr,(int)count,v4l2_type_names[fh->type]);
3657 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
3658 if (!check_alloc_btres(fh->btv, fh, RESOURCE_VIDEO_READ)) {
3659 /* VIDEO_READ in use by another fh,
3660 or VIDEO_STREAM by any fh. */
3663 retval = videobuf_read_one(&fh->cap, data, count, ppos,
3664 file->f_flags & O_NONBLOCK);
3665 free_btres(fh->btv, fh, RESOURCE_VIDEO_READ);
3667 case V4L2_BUF_TYPE_VBI_CAPTURE:
3668 if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
3670 retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1,
3671 file->f_flags & O_NONBLOCK);
3679 static unsigned int bttv_poll(struct file *file, poll_table *wait)
3681 struct bttv_fh *fh = file->private_data;
3682 struct bttv_buffer *buf;
3683 enum v4l2_field field;
3685 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
3686 if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
3688 return videobuf_poll_stream(file, &fh->vbi, wait);
3691 if (check_btres(fh,RESOURCE_VIDEO_STREAM)) {
3692 /* streaming capture */
3693 if (list_empty(&fh->cap.stream))
3695 buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
3697 /* read() capture */
3698 mutex_lock(&fh->cap.lock);
3699 if (NULL == fh->cap.read_buf) {
3700 /* need to capture a new frame */
3701 if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) {
3702 mutex_unlock(&fh->cap.lock);
3705 fh->cap.read_buf = videobuf_pci_alloc(fh->cap.msize);
3706 if (NULL == fh->cap.read_buf) {
3707 mutex_unlock(&fh->cap.lock);
3710 fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
3711 field = videobuf_next_field(&fh->cap);
3712 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
3713 kfree (fh->cap.read_buf);
3714 fh->cap.read_buf = NULL;
3715 mutex_unlock(&fh->cap.lock);
3718 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
3719 fh->cap.read_off = 0;
3721 mutex_unlock(&fh->cap.lock);
3722 buf = (struct bttv_buffer*)fh->cap.read_buf;
3725 poll_wait(file, &buf->vb.done, wait);
3726 if (buf->vb.state == STATE_DONE ||
3727 buf->vb.state == STATE_ERROR)
3728 return POLLIN|POLLRDNORM;
3732 static int bttv_open(struct inode *inode, struct file *file)
3734 int minor = iminor(inode);
3735 struct bttv *btv = NULL;
3737 enum v4l2_buf_type type = 0;
3740 dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor);
3742 for (i = 0; i < bttv_num; i++) {
3743 if (bttvs[i].video_dev &&
3744 bttvs[i].video_dev->minor == minor) {
3746 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
3749 if (bttvs[i].vbi_dev &&
3750 bttvs[i].vbi_dev->minor == minor) {
3752 type = V4L2_BUF_TYPE_VBI_CAPTURE;
3759 dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n",
3760 btv->c.nr,v4l2_type_names[type]);
3762 /* allocate per filehandle data */
3763 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
3766 file->private_data = fh;
3769 fh->ov.setup_ok = 0;
3770 v4l2_prio_open(&btv->prio,&fh->prio);
3772 videobuf_queue_pci_init(&fh->cap, &bttv_video_qops,
3773 btv->c.pci, &btv->s_lock,
3774 V4L2_BUF_TYPE_VIDEO_CAPTURE,
3775 V4L2_FIELD_INTERLACED,
3776 sizeof(struct bttv_buffer),
3778 videobuf_queue_pci_init(&fh->vbi, &bttv_vbi_qops,
3779 btv->c.pci, &btv->s_lock,
3780 V4L2_BUF_TYPE_VBI_CAPTURE,
3782 sizeof(struct bttv_buffer),
3784 i2c_vidiocschan(btv);
3788 /* The V4L2 spec requires one global set of cropping parameters
3789 which only change on request. These are stored in btv->crop[1].
3790 However for compatibility with V4L apps and cropping unaware
3791 V4L2 apps we now reset the cropping parameters as seen through
3792 this fh, which is to say VIDIOC_G_CROP and scaling limit checks
3793 will use btv->crop[0], the default cropping parameters for the
3794 current video standard, and VIDIOC_S_FMT will not implicitely
3795 change the cropping parameters until VIDIOC_S_CROP has been
3797 fh->do_crop = !reset_crop; /* module parameter */
3799 /* Likewise there should be one global set of VBI capture
3800 parameters, but for compatibility with V4L apps and earlier
3801 driver versions each fh has its own parameters. */
3802 bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm);
3804 bttv_field_count(btv);
3808 static int bttv_release(struct inode *inode, struct file *file)
3810 struct bttv_fh *fh = file->private_data;
3811 struct bttv *btv = fh->btv;
3813 /* turn off overlay */
3814 if (check_btres(fh, RESOURCE_OVERLAY))
3815 bttv_switch_overlay(btv,fh,NULL);
3817 /* stop video capture */
3818 if (check_btres(fh, RESOURCE_VIDEO_STREAM)) {
3819 videobuf_streamoff(&fh->cap);
3820 free_btres(btv,fh,RESOURCE_VIDEO_STREAM);
3822 if (fh->cap.read_buf) {
3823 buffer_release(&fh->cap,fh->cap.read_buf);
3824 kfree(fh->cap.read_buf);
3826 if (check_btres(fh, RESOURCE_VIDEO_READ)) {
3827 free_btres(btv, fh, RESOURCE_VIDEO_READ);
3830 /* stop vbi capture */
3831 if (check_btres(fh, RESOURCE_VBI)) {
3832 if (fh->vbi.streaming)
3833 videobuf_streamoff(&fh->vbi);
3834 if (fh->vbi.reading)
3835 videobuf_read_stop(&fh->vbi);
3836 free_btres(btv,fh,RESOURCE_VBI);
3840 videobuf_mmap_free(&fh->cap);
3841 videobuf_mmap_free(&fh->vbi);
3842 v4l2_prio_close(&btv->prio,&fh->prio);
3843 file->private_data = NULL;
3847 bttv_field_count(btv);
3852 bttv_mmap(struct file *file, struct vm_area_struct *vma)
3854 struct bttv_fh *fh = file->private_data;
3856 dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n",
3857 fh->btv->c.nr, v4l2_type_names[fh->type],
3858 vma->vm_start, vma->vm_end - vma->vm_start);
3859 return videobuf_mmap_mapper(bttv_queue(fh),vma);
3862 static const struct file_operations bttv_fops =
3864 .owner = THIS_MODULE,
3866 .release = bttv_release,
3867 .ioctl = bttv_ioctl,
3868 .compat_ioctl = v4l_compat_ioctl32,
3869 .llseek = no_llseek,
3875 static struct video_device bttv_video_template =
3878 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
3879 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
3884 static struct video_device bttv_vbi_template =
3886 .name = "bt848/878 vbi",
3887 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
3892 /* ----------------------------------------------------------------------- */
3893 /* radio interface */
3895 static int radio_open(struct inode *inode, struct file *file)
3897 int minor = iminor(inode);
3898 struct bttv *btv = NULL;
3901 dprintk("bttv: open minor=%d\n",minor);
3903 for (i = 0; i < bttv_num; i++) {
3904 if (bttvs[i].radio_dev->minor == minor) {
3912 dprintk("bttv%d: open called (radio)\n",btv->c.nr);
3913 mutex_lock(&btv->lock);
3917 file->private_data = btv;
3919 bttv_call_i2c_clients(btv,AUDC_SET_RADIO,NULL);
3920 audio_input(btv,TVAUDIO_INPUT_RADIO);
3922 mutex_unlock(&btv->lock);
3926 static int radio_release(struct inode *inode, struct file *file)
3928 struct bttv *btv = file->private_data;
3929 struct rds_command cmd;
3933 bttv_call_i2c_clients(btv, RDS_CMD_CLOSE, &cmd);
3938 static int radio_do_ioctl(struct inode *inode, struct file *file,
3939 unsigned int cmd, void *arg)
3941 struct bttv *btv = file->private_data;
3946 struct video_capability *cap = arg;
3948 memset(cap,0,sizeof(*cap));
3949 strcpy(cap->name,btv->radio_dev->name);
3950 cap->type = VID_TYPE_TUNER;
3958 struct video_tuner *v = arg;
3962 memset(v,0,sizeof(*v));
3963 strcpy(v->name, "Radio");
3964 bttv_call_i2c_clients(btv,cmd,v);
3976 case VIDIOC_LOG_STATUS:
3977 case VIDIOC_DBG_G_REGISTER:
3978 case VIDIOC_DBG_S_REGISTER:
3979 return bttv_common_ioctls(btv,cmd,arg);
3982 return -ENOIOCTLCMD;
3987 static int radio_ioctl(struct inode *inode, struct file *file,
3988 unsigned int cmd, unsigned long arg)
3990 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
3993 static ssize_t radio_read(struct file *file, char __user *data,
3994 size_t count, loff_t *ppos)
3996 struct bttv *btv = file->private_data;
3997 struct rds_command cmd;
3998 cmd.block_count = count/3;
4000 cmd.instance = file;
4001 cmd.result = -ENODEV;
4003 bttv_call_i2c_clients(btv, RDS_CMD_READ, &cmd);
4008 static unsigned int radio_poll(struct file *file, poll_table *wait)
4010 struct bttv *btv = file->private_data;
4011 struct rds_command cmd;
4012 cmd.instance = file;
4013 cmd.event_list = wait;
4014 cmd.result = -ENODEV;
4015 bttv_call_i2c_clients(btv, RDS_CMD_POLL, &cmd);
4020 static const struct file_operations radio_fops =
4022 .owner = THIS_MODULE,
4025 .release = radio_release,
4026 .ioctl = radio_ioctl,
4027 .llseek = no_llseek,
4031 static struct video_device radio_template =
4033 .name = "bt848/878 radio",
4034 .type = VID_TYPE_TUNER,
4035 .fops = &radio_fops,
4039 /* ----------------------------------------------------------------------- */
4040 /* some debug code */
4042 static int bttv_risc_decode(u32 risc)
4044 static char *instr[16] = {
4045 [ BT848_RISC_WRITE >> 28 ] = "write",
4046 [ BT848_RISC_SKIP >> 28 ] = "skip",
4047 [ BT848_RISC_WRITEC >> 28 ] = "writec",
4048 [ BT848_RISC_JUMP >> 28 ] = "jump",
4049 [ BT848_RISC_SYNC >> 28 ] = "sync",
4050 [ BT848_RISC_WRITE123 >> 28 ] = "write123",
4051 [ BT848_RISC_SKIP123 >> 28 ] = "skip123",
4052 [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23",
4054 static int incr[16] = {
4055 [ BT848_RISC_WRITE >> 28 ] = 2,
4056 [ BT848_RISC_JUMP >> 28 ] = 2,
4057 [ BT848_RISC_SYNC >> 28 ] = 2,
4058 [ BT848_RISC_WRITE123 >> 28 ] = 5,
4059 [ BT848_RISC_SKIP123 >> 28 ] = 2,
4060 [ BT848_RISC_WRITE1S23 >> 28 ] = 3,
4062 static char *bits[] = {
4063 "be0", "be1", "be2", "be3/resync",
4064 "set0", "set1", "set2", "set3",
4065 "clr0", "clr1", "clr2", "clr3",
4066 "irq", "res", "eol", "sol",
4070 printk("0x%08x [ %s", risc,
4071 instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
4072 for (i = ARRAY_SIZE(bits)-1; i >= 0; i--)
4073 if (risc & (1 << (i + 12)))
4074 printk(" %s",bits[i]);
4075 printk(" count=%d ]\n", risc & 0xfff);
4076 return incr[risc >> 28] ? incr[risc >> 28] : 1;
4079 static void bttv_risc_disasm(struct bttv *btv,
4080 struct btcx_riscmem *risc)
4084 printk("%s: risc disasm: %p [dma=0x%08lx]\n",
4085 btv->c.name, risc->cpu, (unsigned long)risc->dma);
4086 for (i = 0; i < (risc->size >> 2); i += n) {
4087 printk("%s: 0x%lx: ", btv->c.name,
4088 (unsigned long)(risc->dma + (i<<2)));
4089 n = bttv_risc_decode(risc->cpu[i]);
4090 for (j = 1; j < n; j++)
4091 printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n",
4092 btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)),
4094 if (0 == risc->cpu[i])
4099 static void bttv_print_riscaddr(struct bttv *btv)
4101 printk(" main: %08Lx\n",
4102 (unsigned long long)btv->main.dma);
4103 printk(" vbi : o=%08Lx e=%08Lx\n",
4104 btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0,
4105 btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0);
4106 printk(" cap : o=%08Lx e=%08Lx\n",
4107 btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0,
4108 btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0);
4109 printk(" scr : o=%08Lx e=%08Lx\n",
4110 btv->screen ? (unsigned long long)btv->screen->top.dma : 0,
4111 btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0);
4112 bttv_risc_disasm(btv, &btv->main);
4115 /* ----------------------------------------------------------------------- */
4118 static char *irq_name[] = {
4119 "FMTCHG", // format change detected (525 vs. 625)
4120 "VSYNC", // vertical sync (new field)
4121 "HSYNC", // horizontal sync
4122 "OFLOW", // chroma/luma AGC overflow
4123 "HLOCK", // horizontal lock changed
4124 "VPRES", // video presence changed
4126 "I2CDONE", // hw irc operation finished
4127 "GPINT", // gpio port triggered irq
4129 "RISCI", // risc instruction triggered irq
4130 "FBUS", // pixel data fifo dropped data (high pci bus latencies)
4131 "FTRGT", // pixel data fifo overrun
4132 "FDSR", // fifo data stream resyncronisation
4133 "PPERR", // parity error (data transfer)
4134 "RIPERR", // parity error (read risc instructions)
4135 "PABORT", // pci abort
4136 "OCERR", // risc instruction error
4137 "SCERR", // syncronisation error
4140 static void bttv_print_irqbits(u32 print, u32 mark)
4145 for (i = 0; i < ARRAY_SIZE(irq_name); i++) {
4146 if (print & (1 << i))
4147 printk(" %s",irq_name[i]);
4148 if (mark & (1 << i))
4153 static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc)
4155 printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n",
4157 (unsigned long)btv->main.dma,
4158 (unsigned long)btv->main.cpu[RISC_SLOT_O_VBI+1],
4159 (unsigned long)btv->main.cpu[RISC_SLOT_O_FIELD+1],
4162 if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) {
4163 printk("bttv%d: Oh, there (temporarely?) is no input signal. "
4164 "Ok, then this is harmless, don't worry ;)\n",
4168 printk("bttv%d: Uhm. Looks like we have unusual high IRQ latencies.\n",
4170 printk("bttv%d: Lets try to catch the culpit red-handed ...\n",
4176 bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set)
4178 struct bttv_buffer *item;
4180 memset(set,0,sizeof(*set));
4182 /* capture request ? */
4183 if (!list_empty(&btv->capture)) {
4185 item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
4186 if (V4L2_FIELD_HAS_TOP(item->vb.field))
4188 if (V4L2_FIELD_HAS_BOTTOM(item->vb.field))
4191 /* capture request for other field ? */
4192 if (!V4L2_FIELD_HAS_BOTH(item->vb.field) &&
4193 (item->vb.queue.next != &btv->capture)) {
4194 item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue);
4195 if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) {
4196 if (NULL == set->top &&
4197 V4L2_FIELD_TOP == item->vb.field) {
4200 if (NULL == set->bottom &&
4201 V4L2_FIELD_BOTTOM == item->vb.field) {
4204 if (NULL != set->top && NULL != set->bottom)
4210 /* screen overlay ? */
4211 if (NULL != btv->screen) {
4212 if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) {
4213 if (NULL == set->top && NULL == set->bottom) {
4214 set->top = btv->screen;
4215 set->bottom = btv->screen;
4218 if (V4L2_FIELD_TOP == btv->screen->vb.field &&
4220 set->top = btv->screen;
4222 if (V4L2_FIELD_BOTTOM == btv->screen->vb.field &&
4223 NULL == set->bottom) {
4224 set->bottom = btv->screen;
4229 dprintk("bttv%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n",
4230 btv->c.nr,set->top, set->bottom,
4231 btv->screen,set->frame_irq,set->top_irq);
4236 bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup,
4237 struct bttv_buffer_set *curr, unsigned int state)
4241 do_gettimeofday(&ts);
4243 if (wakeup->top == wakeup->bottom) {
4244 if (NULL != wakeup->top && curr->top != wakeup->top) {
4246 printk("bttv%d: wakeup: both=%p\n",btv->c.nr,wakeup->top);
4247 wakeup->top->vb.ts = ts;
4248 wakeup->top->vb.field_count = btv->field_count;
4249 wakeup->top->vb.state = state;
4250 wake_up(&wakeup->top->vb.done);
4253 if (NULL != wakeup->top && curr->top != wakeup->top) {
4255 printk("bttv%d: wakeup: top=%p\n",btv->c.nr,wakeup->top);
4256 wakeup->top->vb.ts = ts;
4257 wakeup->top->vb.field_count = btv->field_count;
4258 wakeup->top->vb.state = state;
4259 wake_up(&wakeup->top->vb.done);
4261 if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) {
4263 printk("bttv%d: wakeup: bottom=%p\n",btv->c.nr,wakeup->bottom);
4264 wakeup->bottom->vb.ts = ts;
4265 wakeup->bottom->vb.field_count = btv->field_count;
4266 wakeup->bottom->vb.state = state;
4267 wake_up(&wakeup->bottom->vb.done);
4273 bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup,
4281 do_gettimeofday(&ts);
4283 wakeup->vb.field_count = btv->field_count;
4284 wakeup->vb.state = state;
4285 wake_up(&wakeup->vb.done);
4288 static void bttv_irq_timeout(unsigned long data)
4290 struct bttv *btv = (struct bttv *)data;
4291 struct bttv_buffer_set old,new;
4292 struct bttv_buffer *ovbi;
4293 struct bttv_buffer *item;
4294 unsigned long flags;
4297 printk(KERN_INFO "bttv%d: timeout: drop=%d irq=%d/%d, risc=%08x, ",
4298 btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total,
4299 btread(BT848_RISC_COUNT));
4300 bttv_print_irqbits(btread(BT848_INT_STAT),0);
4304 spin_lock_irqsave(&btv->s_lock,flags);
4306 /* deactivate stuff */
4307 memset(&new,0,sizeof(new));
4313 bttv_buffer_activate_video(btv, &new);
4314 bttv_buffer_activate_vbi(btv, NULL);
4315 bttv_set_dma(btv, 0);
4318 bttv_irq_wakeup_video(btv, &old, &new, STATE_ERROR);
4319 bttv_irq_wakeup_vbi(btv, ovbi, STATE_ERROR);
4321 /* cancel all outstanding capture / vbi requests */
4322 while (!list_empty(&btv->capture)) {
4323 item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
4324 list_del(&item->vb.queue);
4325 item->vb.state = STATE_ERROR;
4326 wake_up(&item->vb.done);
4328 while (!list_empty(&btv->vcapture)) {
4329 item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
4330 list_del(&item->vb.queue);
4331 item->vb.state = STATE_ERROR;
4332 wake_up(&item->vb.done);
4336 spin_unlock_irqrestore(&btv->s_lock,flags);
4340 bttv_irq_wakeup_top(struct bttv *btv)
4342 struct bttv_buffer *wakeup = btv->curr.top;
4347 spin_lock(&btv->s_lock);
4348 btv->curr.top_irq = 0;
4349 btv->curr.top = NULL;
4350 bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0);
4352 do_gettimeofday(&wakeup->vb.ts);
4353 wakeup->vb.field_count = btv->field_count;
4354 wakeup->vb.state = STATE_DONE;
4355 wake_up(&wakeup->vb.done);
4356 spin_unlock(&btv->s_lock);
4359 static inline int is_active(struct btcx_riscmem *risc, u32 rc)
4363 if (rc > risc->dma + risc->size)
4369 bttv_irq_switch_video(struct bttv *btv)
4371 struct bttv_buffer_set new;
4372 struct bttv_buffer_set old;
4375 spin_lock(&btv->s_lock);
4377 /* new buffer set */
4378 bttv_irq_next_video(btv, &new);
4379 rc = btread(BT848_RISC_COUNT);
4380 if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) ||
4381 (btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) {
4384 bttv_irq_debug_low_latency(btv, rc);
4385 spin_unlock(&btv->s_lock);
4392 btv->loop_irq &= ~1;
4393 bttv_buffer_activate_video(btv, &new);
4394 bttv_set_dma(btv, 0);
4397 if (UNSET != btv->new_input) {
4398 video_mux(btv,btv->new_input);
4399 btv->new_input = UNSET;
4402 /* wake up finished buffers */
4403 bttv_irq_wakeup_video(btv, &old, &new, STATE_DONE);
4404 spin_unlock(&btv->s_lock);
4408 bttv_irq_switch_vbi(struct bttv *btv)
4410 struct bttv_buffer *new = NULL;
4411 struct bttv_buffer *old;
4414 spin_lock(&btv->s_lock);
4416 if (!list_empty(&btv->vcapture))
4417 new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
4420 rc = btread(BT848_RISC_COUNT);
4421 if (NULL != old && (is_active(&old->top, rc) ||
4422 is_active(&old->bottom, rc))) {
4425 bttv_irq_debug_low_latency(btv, rc);
4426 spin_unlock(&btv->s_lock);
4432 btv->loop_irq &= ~4;
4433 bttv_buffer_activate_vbi(btv, new);
4434 bttv_set_dma(btv, 0);
4436 bttv_irq_wakeup_vbi(btv, old, STATE_DONE);
4437 spin_unlock(&btv->s_lock);
4440 static irqreturn_t bttv_irq(int irq, void *dev_id)
4448 btv=(struct bttv *)dev_id;
4450 if (btv->custom_irq)
4451 handled = btv->custom_irq(btv);
4455 /* get/clear interrupt status bits */
4456 stat=btread(BT848_INT_STAT);
4457 astat=stat&btread(BT848_INT_MASK);
4461 btwrite(stat,BT848_INT_STAT);
4463 /* get device status bits */
4464 dstat=btread(BT848_DSTATUS);
4467 printk(KERN_DEBUG "bttv%d: irq loop=%d fc=%d "
4468 "riscs=%x, riscc=%08x, ",
4469 btv->c.nr, count, btv->field_count,
4470 stat>>28, btread(BT848_RISC_COUNT));
4471 bttv_print_irqbits(stat,astat);
4472 if (stat & BT848_INT_HLOCK)
4473 printk(" HLOC => %s", (dstat & BT848_DSTATUS_HLOC)
4475 if (stat & BT848_INT_VPRES)
4476 printk(" PRES => %s", (dstat & BT848_DSTATUS_PRES)
4478 if (stat & BT848_INT_FMTCHG)
4479 printk(" NUML => %s", (dstat & BT848_DSTATUS_NUML)
4484 if (astat&BT848_INT_VSYNC)
4487 if ((astat & BT848_INT_GPINT) && btv->remote) {
4488 wake_up(&btv->gpioq);
4489 bttv_input_irq(btv);
4492 if (astat & BT848_INT_I2CDONE) {
4493 btv->i2c_done = stat;
4494 wake_up(&btv->i2c_queue);
4497 if ((astat & BT848_INT_RISCI) && (stat & (4<<28)))
4498 bttv_irq_switch_vbi(btv);
4500 if ((astat & BT848_INT_RISCI) && (stat & (2<<28)))
4501 bttv_irq_wakeup_top(btv);
4503 if ((astat & BT848_INT_RISCI) && (stat & (1<<28)))
4504 bttv_irq_switch_video(btv);
4506 if ((astat & BT848_INT_HLOCK) && btv->opt_automute)
4507 audio_mute(btv, btv->mute); /* trigger automute */
4509 if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) {
4510 printk(KERN_INFO "bttv%d: %s%s @ %08x,",btv->c.nr,
4511 (astat & BT848_INT_SCERR) ? "SCERR" : "",
4512 (astat & BT848_INT_OCERR) ? "OCERR" : "",
4513 btread(BT848_RISC_COUNT));
4514 bttv_print_irqbits(stat,astat);
4517 bttv_print_riscaddr(btv);
4519 if (fdsr && astat & BT848_INT_FDSR) {
4520 printk(KERN_INFO "bttv%d: FDSR @ %08x\n",
4521 btv->c.nr,btread(BT848_RISC_COUNT));
4523 bttv_print_riscaddr(btv);
4529 if (count > 8 || !(astat & BT848_INT_GPINT)) {
4530 btwrite(0, BT848_INT_MASK);
4533 "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr);
4536 "bttv%d: IRQ lockup, clearing GPINT from int mask [", btv->c.nr);
4538 btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT),
4542 bttv_print_irqbits(stat,astat);
4550 return IRQ_RETVAL(handled);
4554 /* ----------------------------------------------------------------------- */
4555 /* initialitation */
4557 static struct video_device *vdev_init(struct bttv *btv,
4558 struct video_device *template,
4561 struct video_device *vfd;
4563 vfd = video_device_alloc();
4568 vfd->dev = &btv->c.pci->dev;
4569 vfd->release = video_device_release;
4570 snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)",
4571 btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "",
4572 type, bttv_tvcards[btv->c.type].name);
4576 static void bttv_unregister_video(struct bttv *btv)
4578 if (btv->video_dev) {
4579 if (-1 != btv->video_dev->minor)
4580 video_unregister_device(btv->video_dev);
4582 video_device_release(btv->video_dev);
4583 btv->video_dev = NULL;
4586 if (-1 != btv->vbi_dev->minor)
4587 video_unregister_device(btv->vbi_dev);
4589 video_device_release(btv->vbi_dev);
4590 btv->vbi_dev = NULL;
4592 if (btv->radio_dev) {
4593 if (-1 != btv->radio_dev->minor)
4594 video_unregister_device(btv->radio_dev);
4596 video_device_release(btv->radio_dev);
4597 btv->radio_dev = NULL;
4601 /* register video4linux devices */
4602 static int __devinit bttv_register_video(struct bttv *btv)
4604 if (no_overlay <= 0) {
4605 bttv_video_template.type |= VID_TYPE_OVERLAY;
4607 printk("bttv: Overlay support disabled.\n");
4611 btv->video_dev = vdev_init(btv, &bttv_video_template, "video");
4612 if (NULL == btv->video_dev)
4614 if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0)
4616 printk(KERN_INFO "bttv%d: registered device video%d\n",
4617 btv->c.nr,btv->video_dev->minor & 0x1f);
4618 if (device_create_file(&btv->video_dev->class_dev,
4619 &dev_attr_card)<0) {
4620 printk(KERN_ERR "bttv%d: device_create_file 'card' "
4621 "failed\n", btv->c.nr);
4626 btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi");
4627 if (NULL == btv->vbi_dev)
4629 if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0)
4631 printk(KERN_INFO "bttv%d: registered device vbi%d\n",
4632 btv->c.nr,btv->vbi_dev->minor & 0x1f);
4634 if (!btv->has_radio)
4637 btv->radio_dev = vdev_init(btv, &radio_template, "radio");
4638 if (NULL == btv->radio_dev)
4640 if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0)
4642 printk(KERN_INFO "bttv%d: registered device radio%d\n",
4643 btv->c.nr,btv->radio_dev->minor & 0x1f);
4649 bttv_unregister_video(btv);
4654 /* on OpenFirmware machines (PowerMac at least), PCI memory cycle */
4655 /* response on cards with no firmware is not enabled by OF */
4656 static void pci_set_command(struct pci_dev *dev)
4658 #if defined(__powerpc__)
4661 pci_read_config_dword(dev, PCI_COMMAND, &cmd);
4662 cmd = (cmd | PCI_COMMAND_MEMORY );
4663 pci_write_config_dword(dev, PCI_COMMAND, cmd);
4667 static int __devinit bttv_probe(struct pci_dev *dev,
4668 const struct pci_device_id *pci_id)
4674 if (bttv_num == BTTV_MAX)
4676 printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num);
4677 btv=&bttvs[bttv_num];
4678 memset(btv,0,sizeof(*btv));
4679 btv->c.nr = bttv_num;
4680 sprintf(btv->c.name,"bttv%d",btv->c.nr);
4682 /* initialize structs / fill in defaults */
4683 mutex_init(&btv->lock);
4684 spin_lock_init(&btv->s_lock);
4685 spin_lock_init(&btv->gpio_lock);
4686 init_waitqueue_head(&btv->gpioq);
4687 init_waitqueue_head(&btv->i2c_queue);
4688 INIT_LIST_HEAD(&btv->c.subs);
4689 INIT_LIST_HEAD(&btv->capture);
4690 INIT_LIST_HEAD(&btv->vcapture);
4691 v4l2_prio_init(&btv->prio);
4693 init_timer(&btv->timeout);
4694 btv->timeout.function = bttv_irq_timeout;
4695 btv->timeout.data = (unsigned long)btv;
4698 btv->tuner_type = UNSET;
4699 btv->new_input = UNSET;
4700 btv->has_radio=radio[btv->c.nr];
4702 /* pci stuff (init, get irq/mmio, ... */
4704 btv->id = dev->device;
4705 if (pci_enable_device(dev)) {
4706 printk(KERN_WARNING "bttv%d: Can't enable device.\n",
4710 if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
4711 printk(KERN_WARNING "bttv%d: No suitable DMA available.\n",
4715 if (!request_mem_region(pci_resource_start(dev,0),
4716 pci_resource_len(dev,0),
4718 printk(KERN_WARNING "bttv%d: can't request iomem (0x%llx).\n",
4720 (unsigned long long)pci_resource_start(dev,0));
4723 pci_set_master(dev);
4724 pci_set_command(dev);
4725 pci_set_drvdata(dev,btv);
4727 pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision);
4728 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
4729 printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ",
4730 bttv_num,btv->id, btv->revision, pci_name(dev));
4731 printk("irq: %d, latency: %d, mmio: 0x%llx\n",
4732 btv->c.pci->irq, lat,
4733 (unsigned long long)pci_resource_start(dev,0));
4736 btv->bt848_mmio = ioremap(pci_resource_start(dev, 0), 0x1000);
4737 if (NULL == btv->bt848_mmio) {
4738 printk("bttv%d: ioremap() failed\n", btv->c.nr);
4746 /* disable irqs, register irq handler */
4747 btwrite(0, BT848_INT_MASK);
4748 result = request_irq(btv->c.pci->irq, bttv_irq,
4749 IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv);
4751 printk(KERN_ERR "bttv%d: can't get IRQ %d\n",
4752 bttv_num,btv->c.pci->irq);
4756 if (0 != bttv_handle_chipset(btv)) {
4761 /* init options from insmod args */
4762 btv->opt_combfilter = combfilter;
4763 btv->opt_lumafilter = lumafilter;
4764 btv->opt_automute = automute;
4765 btv->opt_chroma_agc = chroma_agc;
4766 btv->opt_adc_crush = adc_crush;
4767 btv->opt_vcr_hack = vcr_hack;
4768 btv->opt_whitecrush_upper = whitecrush_upper;
4769 btv->opt_whitecrush_lower = whitecrush_lower;
4770 btv->opt_uv_ratio = uv_ratio;
4771 btv->opt_full_luma_range = full_luma_range;
4772 btv->opt_coring = coring;
4774 /* fill struct bttv with some useful defaults */
4775 btv->init.btv = btv;
4776 btv->init.ov.w.width = 320;
4777 btv->init.ov.w.height = 240;
4778 btv->init.fmt = format_by_palette(VIDEO_PALETTE_RGB24);
4779 btv->init.width = 320;
4780 btv->init.height = 240;
4783 /* initialize hardware */
4785 bttv_gpio_tracking(btv,"pre-init");
4787 bttv_risc_init_main(btv);
4791 btwrite(0x00, BT848_GPIO_REG_INP);
4792 btwrite(0x00, BT848_GPIO_OUT_EN);
4794 bttv_gpio_tracking(btv,"init");
4796 /* needs to be done before i2c is registered */
4797 bttv_init_card1(btv);
4799 /* register i2c + gpio */
4802 /* some card-specific stuff (needs working i2c) */
4803 bttv_init_card2(btv);
4806 /* register video4linux + input */
4807 if (!bttv_tvcards[btv->c.type].no_video) {
4808 bttv_register_video(btv);
4809 bt848_bright(btv,32768);
4810 bt848_contrast(btv,32768);
4811 bt848_hue(btv,32768);
4812 bt848_sat(btv,32768);
4814 set_input(btv, 0, btv->tvnorm);
4815 bttv_crop_reset(&btv->crop[0], btv->tvnorm);
4816 btv->crop[1] = btv->crop[0]; /* current = default */
4817 disclaim_vbi_lines(btv);
4818 disclaim_video_lines(btv);
4821 /* add subdevices and autoload dvb-bt8xx if needed */
4822 if (bttv_tvcards[btv->c.type].has_dvb) {
4823 bttv_sub_add_device(&btv->c, "dvb");
4824 request_modules(btv);
4827 bttv_input_init(btv);
4829 /* everything is fine */
4834 free_irq(btv->c.pci->irq,btv);
4837 if (btv->bt848_mmio)
4838 iounmap(btv->bt848_mmio);
4839 release_mem_region(pci_resource_start(btv->c.pci,0),
4840 pci_resource_len(btv->c.pci,0));
4841 pci_set_drvdata(dev,NULL);
4845 static void __devexit bttv_remove(struct pci_dev *pci_dev)
4847 struct bttv *btv = pci_get_drvdata(pci_dev);
4850 printk("bttv%d: unloading\n",btv->c.nr);
4852 /* shutdown everything (DMA+IRQs) */
4853 btand(~15, BT848_GPIO_DMA_CTL);
4854 btwrite(0, BT848_INT_MASK);
4855 btwrite(~0x0, BT848_INT_STAT);
4856 btwrite(0x0, BT848_GPIO_OUT_EN);
4858 bttv_gpio_tracking(btv,"cleanup");
4860 /* tell gpio modules we are leaving ... */
4862 wake_up(&btv->gpioq);
4863 bttv_input_fini(btv);
4864 bttv_sub_del_devices(&btv->c);
4866 /* unregister i2c_bus + input */
4869 /* unregister video4linux */
4870 bttv_unregister_video(btv);
4872 /* free allocated memory */
4873 btcx_riscmem_free(btv->c.pci,&btv->main);
4875 /* free ressources */
4876 free_irq(btv->c.pci->irq,btv);
4877 iounmap(btv->bt848_mmio);
4878 release_mem_region(pci_resource_start(btv->c.pci,0),
4879 pci_resource_len(btv->c.pci,0));
4881 pci_set_drvdata(pci_dev, NULL);
4886 static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state)
4888 struct bttv *btv = pci_get_drvdata(pci_dev);
4889 struct bttv_buffer_set idle;
4890 unsigned long flags;
4892 dprintk("bttv%d: suspend %d\n", btv->c.nr, state.event);
4894 /* stop dma + irqs */
4895 spin_lock_irqsave(&btv->s_lock,flags);
4896 memset(&idle, 0, sizeof(idle));
4897 btv->state.video = btv->curr;
4898 btv->state.vbi = btv->cvbi;
4899 btv->state.loop_irq = btv->loop_irq;
4902 bttv_buffer_activate_video(btv, &idle);
4903 bttv_buffer_activate_vbi(btv, NULL);
4904 bttv_set_dma(btv, 0);
4905 btwrite(0, BT848_INT_MASK);
4906 spin_unlock_irqrestore(&btv->s_lock,flags);
4908 /* save bt878 state */
4909 btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN);
4910 btv->state.gpio_data = gpio_read();
4912 /* save pci state */
4913 pci_save_state(pci_dev);
4914 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
4915 pci_disable_device(pci_dev);
4916 btv->state.disabled = 1;
4921 static int bttv_resume(struct pci_dev *pci_dev)
4923 struct bttv *btv = pci_get_drvdata(pci_dev);
4924 unsigned long flags;
4927 dprintk("bttv%d: resume\n", btv->c.nr);
4929 /* restore pci state */
4930 if (btv->state.disabled) {
4931 err=pci_enable_device(pci_dev);
4933 printk(KERN_WARNING "bttv%d: Can't enable device.\n",
4937 btv->state.disabled = 0;
4939 err=pci_set_power_state(pci_dev, PCI_D0);
4941 pci_disable_device(pci_dev);
4942 printk(KERN_WARNING "bttv%d: Can't enable device.\n",
4944 btv->state.disabled = 1;
4948 pci_restore_state(pci_dev);
4950 /* restore bt878 state */
4951 bttv_reinit_bt848(btv);
4952 gpio_inout(0xffffff, btv->state.gpio_enable);
4953 gpio_write(btv->state.gpio_data);
4956 spin_lock_irqsave(&btv->s_lock,flags);
4957 btv->curr = btv->state.video;
4958 btv->cvbi = btv->state.vbi;
4959 btv->loop_irq = btv->state.loop_irq;
4960 bttv_buffer_activate_video(btv, &btv->curr);
4961 bttv_buffer_activate_vbi(btv, btv->cvbi);
4962 bttv_set_dma(btv, 0);
4963 spin_unlock_irqrestore(&btv->s_lock,flags);
4968 static struct pci_device_id bttv_pci_tbl[] = {
4969 {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848,
4970 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
4971 {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849,
4972 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
4973 {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878,
4974 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
4975 {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879,
4976 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
4980 MODULE_DEVICE_TABLE(pci, bttv_pci_tbl);
4982 static struct pci_driver bttv_pci_driver = {
4984 .id_table = bttv_pci_tbl,
4985 .probe = bttv_probe,
4986 .remove = __devexit_p(bttv_remove),
4988 .suspend = bttv_suspend,
4989 .resume = bttv_resume,
4993 static int bttv_init_module(void)
4999 printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n",
5000 (BTTV_VERSION_CODE >> 16) & 0xff,
5001 (BTTV_VERSION_CODE >> 8) & 0xff,
5002 BTTV_VERSION_CODE & 0xff);
5004 printk(KERN_INFO "bttv: snapshot date %04d-%02d-%02d\n",
5005 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
5007 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
5009 if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF)
5010 gbufsize = BTTV_MAX_FBUF;
5011 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
5013 printk(KERN_INFO "bttv: using %d buffers with %dk (%d pages) each for capture\n",
5014 gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT);
5016 bttv_check_chipset();
5018 ret = bus_register(&bttv_sub_bus_type);
5020 printk(KERN_WARNING "bttv: bus_register error: %d\n", ret);
5023 return pci_register_driver(&bttv_pci_driver);
5026 static void bttv_cleanup_module(void)
5028 pci_unregister_driver(&bttv_pci_driver);
5029 bus_unregister(&bttv_sub_bus_type);
5033 module_init(bttv_init_module);
5034 module_exit(bttv_cleanup_module);