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;
3075 memset(mbuf,0,sizeof(*mbuf));
3076 mbuf->frames = gbuffers;
3077 mbuf->size = gbuffers * gbufsize;
3078 for (i = 0; i < gbuffers; i++)
3079 mbuf->offsets[i] = i * gbufsize;
3080 mutex_unlock(&fh->cap.lock);
3083 case VIDIOCMCAPTURE:
3085 struct video_mmap *vm = arg;
3086 struct bttv_buffer *buf;
3087 enum v4l2_field field;
3091 if (vm->frame >= VIDEO_MAX_FRAME)
3094 res = bttv_resource(fh);
3095 if (!check_alloc_btres(btv, fh, res))
3098 mutex_lock(&fh->cap.lock);
3100 buf = (struct bttv_buffer *)fh->cap.bufs[vm->frame];
3102 goto fh_unlock_and_return;
3103 if (0 == buf->vb.baddr)
3104 goto fh_unlock_and_return;
3105 if (buf->vb.state == STATE_QUEUED ||
3106 buf->vb.state == STATE_ACTIVE)
3107 goto fh_unlock_and_return;
3109 height2 = btv->crop[!!fh->do_crop].rect.height >> 1;
3110 field = (vm->height > height2)
3111 ? V4L2_FIELD_INTERLACED
3112 : V4L2_FIELD_BOTTOM;
3113 retval = bttv_prepare_buffer(&fh->cap,btv,buf,
3114 format_by_palette(vm->format),
3115 vm->width,vm->height,field);
3117 goto fh_unlock_and_return;
3118 spin_lock_irqsave(&btv->s_lock,flags);
3119 buffer_queue(&fh->cap,&buf->vb);
3120 spin_unlock_irqrestore(&btv->s_lock,flags);
3121 mutex_unlock(&fh->cap.lock);
3127 struct bttv_buffer *buf;
3129 if (*frame >= VIDEO_MAX_FRAME)
3132 mutex_lock(&fh->cap.lock);
3134 buf = (struct bttv_buffer *)fh->cap.bufs[*frame];
3136 goto fh_unlock_and_return;
3137 retval = videobuf_waiton(&buf->vb,0,1);
3139 goto fh_unlock_and_return;
3140 switch (buf->vb.state) {
3146 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
3147 videobuf_dma_sync(&fh->cap,dma);
3148 bttv_dma_free(&fh->cap,btv,buf);
3155 mutex_unlock(&fh->cap.lock);
3160 if (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) {
3161 retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE);
3169 return v4l_compat_translate_ioctl(inode, file, cmd,
3170 arg, bttv_do_ioctl);
3181 return bttv_common_ioctls(btv,cmd,arg);
3183 /* *** v4l2 *** ************************************************ */
3184 case VIDIOC_QUERYCAP:
3186 struct v4l2_capability *cap = arg;
3190 memset(cap, 0, sizeof (*cap));
3191 strlcpy(cap->driver, "bttv", sizeof (cap->driver));
3192 strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card));
3193 snprintf(cap->bus_info, sizeof (cap->bus_info),
3194 "PCI:%s", pci_name(btv->c.pci));
3195 cap->version = BTTV_VERSION_CODE;
3197 V4L2_CAP_VIDEO_CAPTURE |
3198 V4L2_CAP_VBI_CAPTURE |
3199 V4L2_CAP_READWRITE |
3201 if (no_overlay <= 0)
3202 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
3204 if (bttv_tvcards[btv->c.type].tuner != UNSET &&
3205 bttv_tvcards[btv->c.type].tuner != TUNER_ABSENT)
3206 cap->capabilities |= V4L2_CAP_TUNER;
3210 case VIDIOC_ENUM_FMT:
3212 struct v4l2_fmtdesc *f = arg;
3213 enum v4l2_buf_type type;
3218 if (V4L2_BUF_TYPE_VBI_CAPTURE == type) {
3223 memset(f,0,sizeof(*f));
3226 f->pixelformat = V4L2_PIX_FMT_GREY;
3227 strcpy(f->description,"vbi data");
3231 /* video capture + overlay */
3233 for (i = 0; i < BTTV_FORMATS; i++) {
3234 if (bttv_formats[i].fourcc != -1)
3236 if ((unsigned int)index == f->index)
3239 if (BTTV_FORMATS == i)
3243 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
3245 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
3246 if (!(bttv_formats[i].flags & FORMAT_FLAGS_PACKED))
3252 memset(f,0,sizeof(*f));
3255 f->pixelformat = bttv_formats[i].fourcc;
3256 strlcpy(f->description,bttv_formats[i].name,sizeof(f->description));
3260 case VIDIOC_TRY_FMT:
3262 struct v4l2_format *f = arg;
3263 return bttv_try_fmt(fh,btv,f, /* adjust_crop */ 0);
3267 struct v4l2_format *f = arg;
3268 return bttv_g_fmt(fh,f);
3272 struct v4l2_format *f = arg;
3273 return bttv_s_fmt(fh,btv,f);
3278 struct v4l2_framebuffer *fb = arg;
3281 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
3283 fb->fmt.pixelformat = fh->ovfmt->fourcc;
3288 struct v4l2_framebuffer *fb = arg;
3289 const struct bttv_format *fmt;
3291 if(!capable(CAP_SYS_ADMIN) &&
3292 !capable(CAP_SYS_RAWIO))
3296 fmt = format_by_fourcc(fb->fmt.pixelformat);
3299 if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
3303 if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
3304 __s32 width = fb->fmt.width;
3305 __s32 height = fb->fmt.height;
3307 retval = limit_scaled_size(fh, &width, &height,
3308 V4L2_FIELD_INTERLACED,
3309 /* width_mask */ ~3,
3311 /* adjust_size */ 0,
3312 /* adjust_crop */ 0);
3318 mutex_lock(&fh->cap.lock);
3319 btv->fbuf.base = fb->base;
3320 btv->fbuf.fmt.width = fb->fmt.width;
3321 btv->fbuf.fmt.height = fb->fmt.height;
3322 if (0 != fb->fmt.bytesperline)
3323 btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline;
3325 btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8;
3329 btv->init.ovfmt = fmt;
3330 if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
3333 fh->ov.w.width = fb->fmt.width;
3334 fh->ov.w.height = fb->fmt.height;
3335 btv->init.ov.w.width = fb->fmt.width;
3336 btv->init.ov.w.height = fb->fmt.height;
3337 kfree(fh->ov.clips);
3338 fh->ov.clips = NULL;
3341 if (check_btres(fh, RESOURCE_OVERLAY)) {
3342 struct bttv_buffer *new;
3344 new = videobuf_pci_alloc(sizeof(*new));
3345 new->crop = btv->crop[!!fh->do_crop].rect;
3346 bttv_overlay_risc(btv,&fh->ov,fh->ovfmt,new);
3347 retval = bttv_switch_overlay(btv,fh,new);
3350 mutex_unlock(&fh->cap.lock);
3354 case VIDIOC_REQBUFS:
3355 return videobuf_reqbufs(bttv_queue(fh),arg);
3357 case VIDIOC_QUERYBUF:
3358 return videobuf_querybuf(bttv_queue(fh),arg);
3362 int res = bttv_resource(fh);
3364 if (!check_alloc_btres(btv, fh, res))
3366 return videobuf_qbuf(bttv_queue(fh),arg);
3370 return videobuf_dqbuf(bttv_queue(fh),arg,
3371 file->f_flags & O_NONBLOCK);
3373 case VIDIOC_STREAMON:
3375 int res = bttv_resource(fh);
3377 if (!check_alloc_btres(btv,fh,res))
3379 return videobuf_streamon(bttv_queue(fh));
3381 case VIDIOC_STREAMOFF:
3383 int res = bttv_resource(fh);
3385 retval = videobuf_streamoff(bttv_queue(fh));
3388 free_btres(btv,fh,res);
3392 case VIDIOC_QUERYCTRL:
3394 struct v4l2_queryctrl *c = arg;
3397 if ((c->id < V4L2_CID_BASE ||
3398 c->id >= V4L2_CID_LASTP1) &&
3399 (c->id < V4L2_CID_PRIVATE_BASE ||
3400 c->id >= V4L2_CID_PRIVATE_LASTP1))
3402 for (i = 0; i < BTTV_CTLS; i++)
3403 if (bttv_ctls[i].id == c->id)
3405 if (i == BTTV_CTLS) {
3410 if (btv->audio_hook && i >= 4 && i <= 8) {
3411 struct video_audio va;
3412 memset(&va,0,sizeof(va));
3413 btv->audio_hook(btv,&va,0);
3414 switch (bttv_ctls[i].id) {
3415 case V4L2_CID_AUDIO_VOLUME:
3416 if (!(va.flags & VIDEO_AUDIO_VOLUME))
3419 case V4L2_CID_AUDIO_BALANCE:
3420 if (!(va.flags & VIDEO_AUDIO_BALANCE))
3423 case V4L2_CID_AUDIO_BASS:
3424 if (!(va.flags & VIDEO_AUDIO_BASS))
3427 case V4L2_CID_AUDIO_TREBLE:
3428 if (!(va.flags & VIDEO_AUDIO_TREBLE))
3436 return get_control(btv,arg);
3438 return set_control(btv,arg);
3441 struct v4l2_streamparm *parm = arg;
3442 struct v4l2_standard s;
3443 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
3445 memset(parm,0,sizeof(*parm));
3446 v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id,
3447 bttv_tvnorms[btv->tvnorm].name);
3448 parm->parm.capture.timeperframe = s.frameperiod;
3452 case VIDIOC_G_PRIORITY:
3454 enum v4l2_priority *p = arg;
3456 *p = v4l2_prio_max(&btv->prio);
3459 case VIDIOC_S_PRIORITY:
3461 enum v4l2_priority *prio = arg;
3463 return v4l2_prio_change(&btv->prio, &fh->prio, *prio);
3466 case VIDIOC_CROPCAP:
3468 struct v4l2_cropcap *cap = arg;
3469 enum v4l2_buf_type type;
3473 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
3474 type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
3477 *cap = bttv_tvnorms[btv->tvnorm].cropcap;
3484 struct v4l2_crop * crop = arg;
3486 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
3487 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
3490 /* No fh->do_crop = 1; because btv->crop[1] may be
3491 inconsistent with fh->width or fh->height and apps
3492 do not expect a change here. */
3494 crop->c = btv->crop[!!fh->do_crop].rect;
3500 struct v4l2_crop *crop = arg;
3501 const struct v4l2_rect *b;
3508 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
3509 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
3512 retval = v4l2_prio_check(&btv->prio,&fh->prio);
3516 /* Make sure tvnorm, vbi_end and the current cropping
3517 parameters remain consistent until we're done. Note
3518 read() may change vbi_end in check_alloc_btres(). */
3519 mutex_lock(&btv->lock);
3523 if (locked_btres(fh->btv, VIDEO_RESOURCES))
3524 goto btv_unlock_and_return;
3526 b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
3529 b_right = b_left + b->width;
3530 b_bottom = b->top + b->height;
3532 b_top = max(b->top, btv->vbi_end);
3533 if (b_top + 32 >= b_bottom)
3534 goto btv_unlock_and_return;
3536 /* Min. scaled size 48 x 32. */
3537 c.rect.left = clamp(crop->c.left, b_left, b_right - 48);
3538 c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY);
3540 c.rect.width = clamp(crop->c.width,
3541 48, b_right - c.rect.left);
3543 c.rect.top = clamp(crop->c.top, b_top, b_bottom - 32);
3544 /* Top and height must be a multiple of two. */
3545 c.rect.top = (c.rect.top + 1) & ~1;
3547 c.rect.height = clamp(crop->c.height,
3548 32, b_bottom - c.rect.top);
3549 c.rect.height = (c.rect.height + 1) & ~1;
3551 bttv_crop_calc_limits(&c);
3555 mutex_unlock(&btv->lock);
3559 mutex_lock(&fh->cap.lock);
3561 if (fh->width < c.min_scaled_width) {
3562 fh->width = c.min_scaled_width;
3563 btv->init.width = c.min_scaled_width;
3564 } else if (fh->width > c.max_scaled_width) {
3565 fh->width = c.max_scaled_width;
3566 btv->init.width = c.max_scaled_width;
3569 if (fh->height < c.min_scaled_height) {
3570 fh->height = c.min_scaled_height;
3571 btv->init.height = c.min_scaled_height;
3572 } else if (fh->height > c.max_scaled_height) {
3573 fh->height = c.max_scaled_height;
3574 btv->init.height = c.max_scaled_height;
3577 mutex_unlock(&fh->cap.lock);
3582 case VIDIOC_ENUMSTD:
3585 case VIDIOC_ENUMINPUT:
3586 case VIDIOC_G_INPUT:
3587 case VIDIOC_S_INPUT:
3588 case VIDIOC_G_TUNER:
3589 case VIDIOC_S_TUNER:
3590 case VIDIOC_G_FREQUENCY:
3591 case VIDIOC_S_FREQUENCY:
3592 case VIDIOC_LOG_STATUS:
3593 case VIDIOC_DBG_G_REGISTER:
3594 case VIDIOC_DBG_S_REGISTER:
3595 return bttv_common_ioctls(btv,cmd,arg);
3598 return -ENOIOCTLCMD;
3602 fh_unlock_and_return:
3603 mutex_unlock(&fh->cap.lock);
3606 btv_unlock_and_return:
3607 mutex_unlock(&btv->lock);
3611 static int bttv_ioctl(struct inode *inode, struct file *file,
3612 unsigned int cmd, unsigned long arg)
3614 struct bttv_fh *fh = file->private_data;
3619 const struct bttv_tvnorm *tvnorm;
3621 tvnorm = fh->vbi_fmt.tvnorm;
3623 if (fh->vbi_fmt.fmt.start[0] != tvnorm->vbistart[0] ||
3624 fh->vbi_fmt.fmt.start[1] != tvnorm->vbistart[1] ||
3625 fh->vbi_fmt.fmt.count[0] != fh->vbi_fmt.fmt.count[1]) {
3626 /* BTTV_VBISIZE cannot express these parameters,
3627 however open() resets the paramters to defaults
3628 and apps shouldn't call BTTV_VBISIZE after
3633 bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE);
3634 return (fh->vbi_fmt.fmt.count[0] * 2
3635 * fh->vbi_fmt.fmt.samples_per_line);
3639 return video_usercopy(inode, file, cmd, arg, bttv_do_ioctl);
3643 static ssize_t bttv_read(struct file *file, char __user *data,
3644 size_t count, loff_t *ppos)
3646 struct bttv_fh *fh = file->private_data;
3649 if (fh->btv->errors)
3650 bttv_reinit_bt848(fh->btv);
3651 dprintk("bttv%d: read count=%d type=%s\n",
3652 fh->btv->c.nr,(int)count,v4l2_type_names[fh->type]);
3655 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
3656 if (!check_alloc_btres(fh->btv, fh, RESOURCE_VIDEO_READ)) {
3657 /* VIDEO_READ in use by another fh,
3658 or VIDEO_STREAM by any fh. */
3661 retval = videobuf_read_one(&fh->cap, data, count, ppos,
3662 file->f_flags & O_NONBLOCK);
3663 free_btres(fh->btv, fh, RESOURCE_VIDEO_READ);
3665 case V4L2_BUF_TYPE_VBI_CAPTURE:
3666 if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
3668 retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1,
3669 file->f_flags & O_NONBLOCK);
3677 static unsigned int bttv_poll(struct file *file, poll_table *wait)
3679 struct bttv_fh *fh = file->private_data;
3680 struct bttv_buffer *buf;
3681 enum v4l2_field field;
3683 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
3684 if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
3686 return videobuf_poll_stream(file, &fh->vbi, wait);
3689 if (check_btres(fh,RESOURCE_VIDEO_STREAM)) {
3690 /* streaming capture */
3691 if (list_empty(&fh->cap.stream))
3693 buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
3695 /* read() capture */
3696 mutex_lock(&fh->cap.lock);
3697 if (NULL == fh->cap.read_buf) {
3698 /* need to capture a new frame */
3699 if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) {
3700 mutex_unlock(&fh->cap.lock);
3703 fh->cap.read_buf = videobuf_pci_alloc(fh->cap.msize);
3704 if (NULL == fh->cap.read_buf) {
3705 mutex_unlock(&fh->cap.lock);
3708 fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
3709 field = videobuf_next_field(&fh->cap);
3710 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
3711 kfree (fh->cap.read_buf);
3712 fh->cap.read_buf = NULL;
3713 mutex_unlock(&fh->cap.lock);
3716 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
3717 fh->cap.read_off = 0;
3719 mutex_unlock(&fh->cap.lock);
3720 buf = (struct bttv_buffer*)fh->cap.read_buf;
3723 poll_wait(file, &buf->vb.done, wait);
3724 if (buf->vb.state == STATE_DONE ||
3725 buf->vb.state == STATE_ERROR)
3726 return POLLIN|POLLRDNORM;
3730 static int bttv_open(struct inode *inode, struct file *file)
3732 int minor = iminor(inode);
3733 struct bttv *btv = NULL;
3735 enum v4l2_buf_type type = 0;
3738 dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor);
3740 for (i = 0; i < bttv_num; i++) {
3741 if (bttvs[i].video_dev &&
3742 bttvs[i].video_dev->minor == minor) {
3744 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
3747 if (bttvs[i].vbi_dev &&
3748 bttvs[i].vbi_dev->minor == minor) {
3750 type = V4L2_BUF_TYPE_VBI_CAPTURE;
3757 dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n",
3758 btv->c.nr,v4l2_type_names[type]);
3760 /* allocate per filehandle data */
3761 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
3764 file->private_data = fh;
3767 fh->ov.setup_ok = 0;
3768 v4l2_prio_open(&btv->prio,&fh->prio);
3770 videobuf_queue_pci_init(&fh->cap, &bttv_video_qops,
3771 btv->c.pci, &btv->s_lock,
3772 V4L2_BUF_TYPE_VIDEO_CAPTURE,
3773 V4L2_FIELD_INTERLACED,
3774 sizeof(struct bttv_buffer),
3776 videobuf_queue_pci_init(&fh->vbi, &bttv_vbi_qops,
3777 btv->c.pci, &btv->s_lock,
3778 V4L2_BUF_TYPE_VBI_CAPTURE,
3780 sizeof(struct bttv_buffer),
3782 i2c_vidiocschan(btv);
3786 /* The V4L2 spec requires one global set of cropping parameters
3787 which only change on request. These are stored in btv->crop[1].
3788 However for compatibility with V4L apps and cropping unaware
3789 V4L2 apps we now reset the cropping parameters as seen through
3790 this fh, which is to say VIDIOC_G_CROP and scaling limit checks
3791 will use btv->crop[0], the default cropping parameters for the
3792 current video standard, and VIDIOC_S_FMT will not implicitely
3793 change the cropping parameters until VIDIOC_S_CROP has been
3795 fh->do_crop = !reset_crop; /* module parameter */
3797 /* Likewise there should be one global set of VBI capture
3798 parameters, but for compatibility with V4L apps and earlier
3799 driver versions each fh has its own parameters. */
3800 bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm);
3802 bttv_field_count(btv);
3806 static int bttv_release(struct inode *inode, struct file *file)
3808 struct bttv_fh *fh = file->private_data;
3809 struct bttv *btv = fh->btv;
3811 /* turn off overlay */
3812 if (check_btres(fh, RESOURCE_OVERLAY))
3813 bttv_switch_overlay(btv,fh,NULL);
3815 /* stop video capture */
3816 if (check_btres(fh, RESOURCE_VIDEO_STREAM)) {
3817 videobuf_streamoff(&fh->cap);
3818 free_btres(btv,fh,RESOURCE_VIDEO_STREAM);
3820 if (fh->cap.read_buf) {
3821 buffer_release(&fh->cap,fh->cap.read_buf);
3822 kfree(fh->cap.read_buf);
3824 if (check_btres(fh, RESOURCE_VIDEO_READ)) {
3825 free_btres(btv, fh, RESOURCE_VIDEO_READ);
3828 /* stop vbi capture */
3829 if (check_btres(fh, RESOURCE_VBI)) {
3830 if (fh->vbi.streaming)
3831 videobuf_streamoff(&fh->vbi);
3832 if (fh->vbi.reading)
3833 videobuf_read_stop(&fh->vbi);
3834 free_btres(btv,fh,RESOURCE_VBI);
3838 videobuf_mmap_free(&fh->cap);
3839 videobuf_mmap_free(&fh->vbi);
3840 v4l2_prio_close(&btv->prio,&fh->prio);
3841 file->private_data = NULL;
3845 bttv_field_count(btv);
3850 bttv_mmap(struct file *file, struct vm_area_struct *vma)
3852 struct bttv_fh *fh = file->private_data;
3854 dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n",
3855 fh->btv->c.nr, v4l2_type_names[fh->type],
3856 vma->vm_start, vma->vm_end - vma->vm_start);
3857 return videobuf_mmap_mapper(bttv_queue(fh),vma);
3860 static const struct file_operations bttv_fops =
3862 .owner = THIS_MODULE,
3864 .release = bttv_release,
3865 .ioctl = bttv_ioctl,
3866 .compat_ioctl = v4l_compat_ioctl32,
3867 .llseek = no_llseek,
3873 static struct video_device bttv_video_template =
3876 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
3877 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
3878 .hardware = VID_HARDWARE_BT848,
3883 static struct video_device bttv_vbi_template =
3885 .name = "bt848/878 vbi",
3886 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
3887 .hardware = VID_HARDWARE_BT848,
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 .hardware = VID_HARDWARE_BT848,
4036 .fops = &radio_fops,
4040 /* ----------------------------------------------------------------------- */
4041 /* some debug code */
4043 static int bttv_risc_decode(u32 risc)
4045 static char *instr[16] = {
4046 [ BT848_RISC_WRITE >> 28 ] = "write",
4047 [ BT848_RISC_SKIP >> 28 ] = "skip",
4048 [ BT848_RISC_WRITEC >> 28 ] = "writec",
4049 [ BT848_RISC_JUMP >> 28 ] = "jump",
4050 [ BT848_RISC_SYNC >> 28 ] = "sync",
4051 [ BT848_RISC_WRITE123 >> 28 ] = "write123",
4052 [ BT848_RISC_SKIP123 >> 28 ] = "skip123",
4053 [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23",
4055 static int incr[16] = {
4056 [ BT848_RISC_WRITE >> 28 ] = 2,
4057 [ BT848_RISC_JUMP >> 28 ] = 2,
4058 [ BT848_RISC_SYNC >> 28 ] = 2,
4059 [ BT848_RISC_WRITE123 >> 28 ] = 5,
4060 [ BT848_RISC_SKIP123 >> 28 ] = 2,
4061 [ BT848_RISC_WRITE1S23 >> 28 ] = 3,
4063 static char *bits[] = {
4064 "be0", "be1", "be2", "be3/resync",
4065 "set0", "set1", "set2", "set3",
4066 "clr0", "clr1", "clr2", "clr3",
4067 "irq", "res", "eol", "sol",
4071 printk("0x%08x [ %s", risc,
4072 instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
4073 for (i = ARRAY_SIZE(bits)-1; i >= 0; i--)
4074 if (risc & (1 << (i + 12)))
4075 printk(" %s",bits[i]);
4076 printk(" count=%d ]\n", risc & 0xfff);
4077 return incr[risc >> 28] ? incr[risc >> 28] : 1;
4080 static void bttv_risc_disasm(struct bttv *btv,
4081 struct btcx_riscmem *risc)
4085 printk("%s: risc disasm: %p [dma=0x%08lx]\n",
4086 btv->c.name, risc->cpu, (unsigned long)risc->dma);
4087 for (i = 0; i < (risc->size >> 2); i += n) {
4088 printk("%s: 0x%lx: ", btv->c.name,
4089 (unsigned long)(risc->dma + (i<<2)));
4090 n = bttv_risc_decode(risc->cpu[i]);
4091 for (j = 1; j < n; j++)
4092 printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n",
4093 btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)),
4095 if (0 == risc->cpu[i])
4100 static void bttv_print_riscaddr(struct bttv *btv)
4102 printk(" main: %08Lx\n",
4103 (unsigned long long)btv->main.dma);
4104 printk(" vbi : o=%08Lx e=%08Lx\n",
4105 btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0,
4106 btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0);
4107 printk(" cap : o=%08Lx e=%08Lx\n",
4108 btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0,
4109 btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0);
4110 printk(" scr : o=%08Lx e=%08Lx\n",
4111 btv->screen ? (unsigned long long)btv->screen->top.dma : 0,
4112 btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0);
4113 bttv_risc_disasm(btv, &btv->main);
4116 /* ----------------------------------------------------------------------- */
4119 static char *irq_name[] = {
4120 "FMTCHG", // format change detected (525 vs. 625)
4121 "VSYNC", // vertical sync (new field)
4122 "HSYNC", // horizontal sync
4123 "OFLOW", // chroma/luma AGC overflow
4124 "HLOCK", // horizontal lock changed
4125 "VPRES", // video presence changed
4127 "I2CDONE", // hw irc operation finished
4128 "GPINT", // gpio port triggered irq
4130 "RISCI", // risc instruction triggered irq
4131 "FBUS", // pixel data fifo dropped data (high pci bus latencies)
4132 "FTRGT", // pixel data fifo overrun
4133 "FDSR", // fifo data stream resyncronisation
4134 "PPERR", // parity error (data transfer)
4135 "RIPERR", // parity error (read risc instructions)
4136 "PABORT", // pci abort
4137 "OCERR", // risc instruction error
4138 "SCERR", // syncronisation error
4141 static void bttv_print_irqbits(u32 print, u32 mark)
4146 for (i = 0; i < ARRAY_SIZE(irq_name); i++) {
4147 if (print & (1 << i))
4148 printk(" %s",irq_name[i]);
4149 if (mark & (1 << i))
4154 static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc)
4156 printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n",
4158 (unsigned long)btv->main.dma,
4159 (unsigned long)btv->main.cpu[RISC_SLOT_O_VBI+1],
4160 (unsigned long)btv->main.cpu[RISC_SLOT_O_FIELD+1],
4163 if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) {
4164 printk("bttv%d: Oh, there (temporarely?) is no input signal. "
4165 "Ok, then this is harmless, don't worry ;)\n",
4169 printk("bttv%d: Uhm. Looks like we have unusual high IRQ latencies.\n",
4171 printk("bttv%d: Lets try to catch the culpit red-handed ...\n",
4177 bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set)
4179 struct bttv_buffer *item;
4181 memset(set,0,sizeof(*set));
4183 /* capture request ? */
4184 if (!list_empty(&btv->capture)) {
4186 item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
4187 if (V4L2_FIELD_HAS_TOP(item->vb.field))
4189 if (V4L2_FIELD_HAS_BOTTOM(item->vb.field))
4192 /* capture request for other field ? */
4193 if (!V4L2_FIELD_HAS_BOTH(item->vb.field) &&
4194 (item->vb.queue.next != &btv->capture)) {
4195 item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue);
4196 if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) {
4197 if (NULL == set->top &&
4198 V4L2_FIELD_TOP == item->vb.field) {
4201 if (NULL == set->bottom &&
4202 V4L2_FIELD_BOTTOM == item->vb.field) {
4205 if (NULL != set->top && NULL != set->bottom)
4211 /* screen overlay ? */
4212 if (NULL != btv->screen) {
4213 if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) {
4214 if (NULL == set->top && NULL == set->bottom) {
4215 set->top = btv->screen;
4216 set->bottom = btv->screen;
4219 if (V4L2_FIELD_TOP == btv->screen->vb.field &&
4221 set->top = btv->screen;
4223 if (V4L2_FIELD_BOTTOM == btv->screen->vb.field &&
4224 NULL == set->bottom) {
4225 set->bottom = btv->screen;
4230 dprintk("bttv%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n",
4231 btv->c.nr,set->top, set->bottom,
4232 btv->screen,set->frame_irq,set->top_irq);
4237 bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup,
4238 struct bttv_buffer_set *curr, unsigned int state)
4242 do_gettimeofday(&ts);
4244 if (wakeup->top == wakeup->bottom) {
4245 if (NULL != wakeup->top && curr->top != wakeup->top) {
4247 printk("bttv%d: wakeup: both=%p\n",btv->c.nr,wakeup->top);
4248 wakeup->top->vb.ts = ts;
4249 wakeup->top->vb.field_count = btv->field_count;
4250 wakeup->top->vb.state = state;
4251 wake_up(&wakeup->top->vb.done);
4254 if (NULL != wakeup->top && curr->top != wakeup->top) {
4256 printk("bttv%d: wakeup: top=%p\n",btv->c.nr,wakeup->top);
4257 wakeup->top->vb.ts = ts;
4258 wakeup->top->vb.field_count = btv->field_count;
4259 wakeup->top->vb.state = state;
4260 wake_up(&wakeup->top->vb.done);
4262 if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) {
4264 printk("bttv%d: wakeup: bottom=%p\n",btv->c.nr,wakeup->bottom);
4265 wakeup->bottom->vb.ts = ts;
4266 wakeup->bottom->vb.field_count = btv->field_count;
4267 wakeup->bottom->vb.state = state;
4268 wake_up(&wakeup->bottom->vb.done);
4274 bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup,
4282 do_gettimeofday(&ts);
4284 wakeup->vb.field_count = btv->field_count;
4285 wakeup->vb.state = state;
4286 wake_up(&wakeup->vb.done);
4289 static void bttv_irq_timeout(unsigned long data)
4291 struct bttv *btv = (struct bttv *)data;
4292 struct bttv_buffer_set old,new;
4293 struct bttv_buffer *ovbi;
4294 struct bttv_buffer *item;
4295 unsigned long flags;
4298 printk(KERN_INFO "bttv%d: timeout: drop=%d irq=%d/%d, risc=%08x, ",
4299 btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total,
4300 btread(BT848_RISC_COUNT));
4301 bttv_print_irqbits(btread(BT848_INT_STAT),0);
4305 spin_lock_irqsave(&btv->s_lock,flags);
4307 /* deactivate stuff */
4308 memset(&new,0,sizeof(new));
4314 bttv_buffer_activate_video(btv, &new);
4315 bttv_buffer_activate_vbi(btv, NULL);
4316 bttv_set_dma(btv, 0);
4319 bttv_irq_wakeup_video(btv, &old, &new, STATE_ERROR);
4320 bttv_irq_wakeup_vbi(btv, ovbi, STATE_ERROR);
4322 /* cancel all outstanding capture / vbi requests */
4323 while (!list_empty(&btv->capture)) {
4324 item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
4325 list_del(&item->vb.queue);
4326 item->vb.state = STATE_ERROR;
4327 wake_up(&item->vb.done);
4329 while (!list_empty(&btv->vcapture)) {
4330 item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
4331 list_del(&item->vb.queue);
4332 item->vb.state = STATE_ERROR;
4333 wake_up(&item->vb.done);
4337 spin_unlock_irqrestore(&btv->s_lock,flags);
4341 bttv_irq_wakeup_top(struct bttv *btv)
4343 struct bttv_buffer *wakeup = btv->curr.top;
4348 spin_lock(&btv->s_lock);
4349 btv->curr.top_irq = 0;
4350 btv->curr.top = NULL;
4351 bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0);
4353 do_gettimeofday(&wakeup->vb.ts);
4354 wakeup->vb.field_count = btv->field_count;
4355 wakeup->vb.state = STATE_DONE;
4356 wake_up(&wakeup->vb.done);
4357 spin_unlock(&btv->s_lock);
4360 static inline int is_active(struct btcx_riscmem *risc, u32 rc)
4364 if (rc > risc->dma + risc->size)
4370 bttv_irq_switch_video(struct bttv *btv)
4372 struct bttv_buffer_set new;
4373 struct bttv_buffer_set old;
4376 spin_lock(&btv->s_lock);
4378 /* new buffer set */
4379 bttv_irq_next_video(btv, &new);
4380 rc = btread(BT848_RISC_COUNT);
4381 if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) ||
4382 (btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) {
4385 bttv_irq_debug_low_latency(btv, rc);
4386 spin_unlock(&btv->s_lock);
4393 btv->loop_irq &= ~1;
4394 bttv_buffer_activate_video(btv, &new);
4395 bttv_set_dma(btv, 0);
4398 if (UNSET != btv->new_input) {
4399 video_mux(btv,btv->new_input);
4400 btv->new_input = UNSET;
4403 /* wake up finished buffers */
4404 bttv_irq_wakeup_video(btv, &old, &new, STATE_DONE);
4405 spin_unlock(&btv->s_lock);
4409 bttv_irq_switch_vbi(struct bttv *btv)
4411 struct bttv_buffer *new = NULL;
4412 struct bttv_buffer *old;
4415 spin_lock(&btv->s_lock);
4417 if (!list_empty(&btv->vcapture))
4418 new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
4421 rc = btread(BT848_RISC_COUNT);
4422 if (NULL != old && (is_active(&old->top, rc) ||
4423 is_active(&old->bottom, rc))) {
4426 bttv_irq_debug_low_latency(btv, rc);
4427 spin_unlock(&btv->s_lock);
4433 btv->loop_irq &= ~4;
4434 bttv_buffer_activate_vbi(btv, new);
4435 bttv_set_dma(btv, 0);
4437 bttv_irq_wakeup_vbi(btv, old, STATE_DONE);
4438 spin_unlock(&btv->s_lock);
4441 static irqreturn_t bttv_irq(int irq, void *dev_id)
4449 btv=(struct bttv *)dev_id;
4451 if (btv->custom_irq)
4452 handled = btv->custom_irq(btv);
4456 /* get/clear interrupt status bits */
4457 stat=btread(BT848_INT_STAT);
4458 astat=stat&btread(BT848_INT_MASK);
4462 btwrite(stat,BT848_INT_STAT);
4464 /* get device status bits */
4465 dstat=btread(BT848_DSTATUS);
4468 printk(KERN_DEBUG "bttv%d: irq loop=%d fc=%d "
4469 "riscs=%x, riscc=%08x, ",
4470 btv->c.nr, count, btv->field_count,
4471 stat>>28, btread(BT848_RISC_COUNT));
4472 bttv_print_irqbits(stat,astat);
4473 if (stat & BT848_INT_HLOCK)
4474 printk(" HLOC => %s", (dstat & BT848_DSTATUS_HLOC)
4476 if (stat & BT848_INT_VPRES)
4477 printk(" PRES => %s", (dstat & BT848_DSTATUS_PRES)
4479 if (stat & BT848_INT_FMTCHG)
4480 printk(" NUML => %s", (dstat & BT848_DSTATUS_NUML)
4485 if (astat&BT848_INT_VSYNC)
4488 if ((astat & BT848_INT_GPINT) && btv->remote) {
4489 wake_up(&btv->gpioq);
4490 bttv_input_irq(btv);
4493 if (astat & BT848_INT_I2CDONE) {
4494 btv->i2c_done = stat;
4495 wake_up(&btv->i2c_queue);
4498 if ((astat & BT848_INT_RISCI) && (stat & (4<<28)))
4499 bttv_irq_switch_vbi(btv);
4501 if ((astat & BT848_INT_RISCI) && (stat & (2<<28)))
4502 bttv_irq_wakeup_top(btv);
4504 if ((astat & BT848_INT_RISCI) && (stat & (1<<28)))
4505 bttv_irq_switch_video(btv);
4507 if ((astat & BT848_INT_HLOCK) && btv->opt_automute)
4508 audio_mute(btv, btv->mute); /* trigger automute */
4510 if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) {
4511 printk(KERN_INFO "bttv%d: %s%s @ %08x,",btv->c.nr,
4512 (astat & BT848_INT_SCERR) ? "SCERR" : "",
4513 (astat & BT848_INT_OCERR) ? "OCERR" : "",
4514 btread(BT848_RISC_COUNT));
4515 bttv_print_irqbits(stat,astat);
4518 bttv_print_riscaddr(btv);
4520 if (fdsr && astat & BT848_INT_FDSR) {
4521 printk(KERN_INFO "bttv%d: FDSR @ %08x\n",
4522 btv->c.nr,btread(BT848_RISC_COUNT));
4524 bttv_print_riscaddr(btv);
4530 if (count > 8 || !(astat & BT848_INT_GPINT)) {
4531 btwrite(0, BT848_INT_MASK);
4534 "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr);
4537 "bttv%d: IRQ lockup, clearing GPINT from int mask [", btv->c.nr);
4539 btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT),
4543 bttv_print_irqbits(stat,astat);
4551 return IRQ_RETVAL(handled);
4555 /* ----------------------------------------------------------------------- */
4556 /* initialitation */
4558 static struct video_device *vdev_init(struct bttv *btv,
4559 struct video_device *template,
4562 struct video_device *vfd;
4564 vfd = video_device_alloc();
4569 vfd->dev = &btv->c.pci->dev;
4570 vfd->release = video_device_release;
4571 snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)",
4572 btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "",
4573 type, bttv_tvcards[btv->c.type].name);
4577 static void bttv_unregister_video(struct bttv *btv)
4579 if (btv->video_dev) {
4580 if (-1 != btv->video_dev->minor)
4581 video_unregister_device(btv->video_dev);
4583 video_device_release(btv->video_dev);
4584 btv->video_dev = NULL;
4587 if (-1 != btv->vbi_dev->minor)
4588 video_unregister_device(btv->vbi_dev);
4590 video_device_release(btv->vbi_dev);
4591 btv->vbi_dev = NULL;
4593 if (btv->radio_dev) {
4594 if (-1 != btv->radio_dev->minor)
4595 video_unregister_device(btv->radio_dev);
4597 video_device_release(btv->radio_dev);
4598 btv->radio_dev = NULL;
4602 /* register video4linux devices */
4603 static int __devinit bttv_register_video(struct bttv *btv)
4605 if (no_overlay <= 0) {
4606 bttv_video_template.type |= VID_TYPE_OVERLAY;
4608 printk("bttv: Overlay support disabled.\n");
4612 btv->video_dev = vdev_init(btv, &bttv_video_template, "video");
4613 if (NULL == btv->video_dev)
4615 if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0)
4617 printk(KERN_INFO "bttv%d: registered device video%d\n",
4618 btv->c.nr,btv->video_dev->minor & 0x1f);
4619 if (device_create_file(&btv->video_dev->class_dev,
4620 &dev_attr_card)<0) {
4621 printk(KERN_ERR "bttv%d: device_create_file 'card' "
4622 "failed\n", btv->c.nr);
4627 btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi");
4628 if (NULL == btv->vbi_dev)
4630 if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0)
4632 printk(KERN_INFO "bttv%d: registered device vbi%d\n",
4633 btv->c.nr,btv->vbi_dev->minor & 0x1f);
4635 if (!btv->has_radio)
4638 btv->radio_dev = vdev_init(btv, &radio_template, "radio");
4639 if (NULL == btv->radio_dev)
4641 if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0)
4643 printk(KERN_INFO "bttv%d: registered device radio%d\n",
4644 btv->c.nr,btv->radio_dev->minor & 0x1f);
4650 bttv_unregister_video(btv);
4655 /* on OpenFirmware machines (PowerMac at least), PCI memory cycle */
4656 /* response on cards with no firmware is not enabled by OF */
4657 static void pci_set_command(struct pci_dev *dev)
4659 #if defined(__powerpc__)
4662 pci_read_config_dword(dev, PCI_COMMAND, &cmd);
4663 cmd = (cmd | PCI_COMMAND_MEMORY );
4664 pci_write_config_dword(dev, PCI_COMMAND, cmd);
4668 static int __devinit bttv_probe(struct pci_dev *dev,
4669 const struct pci_device_id *pci_id)
4675 if (bttv_num == BTTV_MAX)
4677 printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num);
4678 btv=&bttvs[bttv_num];
4679 memset(btv,0,sizeof(*btv));
4680 btv->c.nr = bttv_num;
4681 sprintf(btv->c.name,"bttv%d",btv->c.nr);
4683 /* initialize structs / fill in defaults */
4684 mutex_init(&btv->lock);
4685 spin_lock_init(&btv->s_lock);
4686 spin_lock_init(&btv->gpio_lock);
4687 init_waitqueue_head(&btv->gpioq);
4688 init_waitqueue_head(&btv->i2c_queue);
4689 INIT_LIST_HEAD(&btv->c.subs);
4690 INIT_LIST_HEAD(&btv->capture);
4691 INIT_LIST_HEAD(&btv->vcapture);
4692 v4l2_prio_init(&btv->prio);
4694 init_timer(&btv->timeout);
4695 btv->timeout.function = bttv_irq_timeout;
4696 btv->timeout.data = (unsigned long)btv;
4699 btv->tuner_type = UNSET;
4700 btv->new_input = UNSET;
4701 btv->has_radio=radio[btv->c.nr];
4703 /* pci stuff (init, get irq/mmio, ... */
4705 btv->id = dev->device;
4706 if (pci_enable_device(dev)) {
4707 printk(KERN_WARNING "bttv%d: Can't enable device.\n",
4711 if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
4712 printk(KERN_WARNING "bttv%d: No suitable DMA available.\n",
4716 if (!request_mem_region(pci_resource_start(dev,0),
4717 pci_resource_len(dev,0),
4719 printk(KERN_WARNING "bttv%d: can't request iomem (0x%llx).\n",
4721 (unsigned long long)pci_resource_start(dev,0));
4724 pci_set_master(dev);
4725 pci_set_command(dev);
4726 pci_set_drvdata(dev,btv);
4728 pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision);
4729 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
4730 printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ",
4731 bttv_num,btv->id, btv->revision, pci_name(dev));
4732 printk("irq: %d, latency: %d, mmio: 0x%llx\n",
4733 btv->c.pci->irq, lat,
4734 (unsigned long long)pci_resource_start(dev,0));
4737 btv->bt848_mmio = ioremap(pci_resource_start(dev, 0), 0x1000);
4738 if (NULL == btv->bt848_mmio) {
4739 printk("bttv%d: ioremap() failed\n", btv->c.nr);
4747 /* disable irqs, register irq handler */
4748 btwrite(0, BT848_INT_MASK);
4749 result = request_irq(btv->c.pci->irq, bttv_irq,
4750 IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv);
4752 printk(KERN_ERR "bttv%d: can't get IRQ %d\n",
4753 bttv_num,btv->c.pci->irq);
4757 if (0 != bttv_handle_chipset(btv)) {
4762 /* init options from insmod args */
4763 btv->opt_combfilter = combfilter;
4764 btv->opt_lumafilter = lumafilter;
4765 btv->opt_automute = automute;
4766 btv->opt_chroma_agc = chroma_agc;
4767 btv->opt_adc_crush = adc_crush;
4768 btv->opt_vcr_hack = vcr_hack;
4769 btv->opt_whitecrush_upper = whitecrush_upper;
4770 btv->opt_whitecrush_lower = whitecrush_lower;
4771 btv->opt_uv_ratio = uv_ratio;
4772 btv->opt_full_luma_range = full_luma_range;
4773 btv->opt_coring = coring;
4775 /* fill struct bttv with some useful defaults */
4776 btv->init.btv = btv;
4777 btv->init.ov.w.width = 320;
4778 btv->init.ov.w.height = 240;
4779 btv->init.fmt = format_by_palette(VIDEO_PALETTE_RGB24);
4780 btv->init.width = 320;
4781 btv->init.height = 240;
4784 /* initialize hardware */
4786 bttv_gpio_tracking(btv,"pre-init");
4788 bttv_risc_init_main(btv);
4792 btwrite(0x00, BT848_GPIO_REG_INP);
4793 btwrite(0x00, BT848_GPIO_OUT_EN);
4795 bttv_gpio_tracking(btv,"init");
4797 /* needs to be done before i2c is registered */
4798 bttv_init_card1(btv);
4800 /* register i2c + gpio */
4803 /* some card-specific stuff (needs working i2c) */
4804 bttv_init_card2(btv);
4807 /* register video4linux + input */
4808 if (!bttv_tvcards[btv->c.type].no_video) {
4809 bttv_register_video(btv);
4810 bt848_bright(btv,32768);
4811 bt848_contrast(btv,32768);
4812 bt848_hue(btv,32768);
4813 bt848_sat(btv,32768);
4815 set_input(btv, 0, btv->tvnorm);
4816 bttv_crop_reset(&btv->crop[0], btv->tvnorm);
4817 btv->crop[1] = btv->crop[0]; /* current = default */
4818 disclaim_vbi_lines(btv);
4819 disclaim_video_lines(btv);
4822 /* add subdevices and autoload dvb-bt8xx if needed */
4823 if (bttv_tvcards[btv->c.type].has_dvb) {
4824 bttv_sub_add_device(&btv->c, "dvb");
4825 request_modules(btv);
4828 bttv_input_init(btv);
4830 /* everything is fine */
4835 free_irq(btv->c.pci->irq,btv);
4838 if (btv->bt848_mmio)
4839 iounmap(btv->bt848_mmio);
4840 release_mem_region(pci_resource_start(btv->c.pci,0),
4841 pci_resource_len(btv->c.pci,0));
4842 pci_set_drvdata(dev,NULL);
4846 static void __devexit bttv_remove(struct pci_dev *pci_dev)
4848 struct bttv *btv = pci_get_drvdata(pci_dev);
4851 printk("bttv%d: unloading\n",btv->c.nr);
4853 /* shutdown everything (DMA+IRQs) */
4854 btand(~15, BT848_GPIO_DMA_CTL);
4855 btwrite(0, BT848_INT_MASK);
4856 btwrite(~0x0, BT848_INT_STAT);
4857 btwrite(0x0, BT848_GPIO_OUT_EN);
4859 bttv_gpio_tracking(btv,"cleanup");
4861 /* tell gpio modules we are leaving ... */
4863 wake_up(&btv->gpioq);
4864 bttv_input_fini(btv);
4865 bttv_sub_del_devices(&btv->c);
4867 /* unregister i2c_bus + input */
4870 /* unregister video4linux */
4871 bttv_unregister_video(btv);
4873 /* free allocated memory */
4874 btcx_riscmem_free(btv->c.pci,&btv->main);
4876 /* free ressources */
4877 free_irq(btv->c.pci->irq,btv);
4878 iounmap(btv->bt848_mmio);
4879 release_mem_region(pci_resource_start(btv->c.pci,0),
4880 pci_resource_len(btv->c.pci,0));
4882 pci_set_drvdata(pci_dev, NULL);
4887 static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state)
4889 struct bttv *btv = pci_get_drvdata(pci_dev);
4890 struct bttv_buffer_set idle;
4891 unsigned long flags;
4893 dprintk("bttv%d: suspend %d\n", btv->c.nr, state.event);
4895 /* stop dma + irqs */
4896 spin_lock_irqsave(&btv->s_lock,flags);
4897 memset(&idle, 0, sizeof(idle));
4898 btv->state.video = btv->curr;
4899 btv->state.vbi = btv->cvbi;
4900 btv->state.loop_irq = btv->loop_irq;
4903 bttv_buffer_activate_video(btv, &idle);
4904 bttv_buffer_activate_vbi(btv, NULL);
4905 bttv_set_dma(btv, 0);
4906 btwrite(0, BT848_INT_MASK);
4907 spin_unlock_irqrestore(&btv->s_lock,flags);
4909 /* save bt878 state */
4910 btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN);
4911 btv->state.gpio_data = gpio_read();
4913 /* save pci state */
4914 pci_save_state(pci_dev);
4915 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
4916 pci_disable_device(pci_dev);
4917 btv->state.disabled = 1;
4922 static int bttv_resume(struct pci_dev *pci_dev)
4924 struct bttv *btv = pci_get_drvdata(pci_dev);
4925 unsigned long flags;
4928 dprintk("bttv%d: resume\n", btv->c.nr);
4930 /* restore pci state */
4931 if (btv->state.disabled) {
4932 err=pci_enable_device(pci_dev);
4934 printk(KERN_WARNING "bttv%d: Can't enable device.\n",
4938 btv->state.disabled = 0;
4940 err=pci_set_power_state(pci_dev, PCI_D0);
4942 pci_disable_device(pci_dev);
4943 printk(KERN_WARNING "bttv%d: Can't enable device.\n",
4945 btv->state.disabled = 1;
4949 pci_restore_state(pci_dev);
4951 /* restore bt878 state */
4952 bttv_reinit_bt848(btv);
4953 gpio_inout(0xffffff, btv->state.gpio_enable);
4954 gpio_write(btv->state.gpio_data);
4957 spin_lock_irqsave(&btv->s_lock,flags);
4958 btv->curr = btv->state.video;
4959 btv->cvbi = btv->state.vbi;
4960 btv->loop_irq = btv->state.loop_irq;
4961 bttv_buffer_activate_video(btv, &btv->curr);
4962 bttv_buffer_activate_vbi(btv, btv->cvbi);
4963 bttv_set_dma(btv, 0);
4964 spin_unlock_irqrestore(&btv->s_lock,flags);
4969 static struct pci_device_id bttv_pci_tbl[] = {
4970 {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848,
4971 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
4972 {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849,
4973 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
4974 {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878,
4975 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
4976 {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879,
4977 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
4981 MODULE_DEVICE_TABLE(pci, bttv_pci_tbl);
4983 static struct pci_driver bttv_pci_driver = {
4985 .id_table = bttv_pci_tbl,
4986 .probe = bttv_probe,
4987 .remove = __devexit_p(bttv_remove),
4989 .suspend = bttv_suspend,
4990 .resume = bttv_resume,
4994 static int bttv_init_module(void)
5000 printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n",
5001 (BTTV_VERSION_CODE >> 16) & 0xff,
5002 (BTTV_VERSION_CODE >> 8) & 0xff,
5003 BTTV_VERSION_CODE & 0xff);
5005 printk(KERN_INFO "bttv: snapshot date %04d-%02d-%02d\n",
5006 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
5008 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
5010 if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF)
5011 gbufsize = BTTV_MAX_FBUF;
5012 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
5014 printk(KERN_INFO "bttv: using %d buffers with %dk (%d pages) each for capture\n",
5015 gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT);
5017 bttv_check_chipset();
5019 ret = bus_register(&bttv_sub_bus_type);
5021 printk(KERN_WARNING "bttv: bus_register error: %d\n", ret);
5024 return pci_register_driver(&bttv_pci_driver);
5027 static void bttv_cleanup_module(void)
5029 pci_unregister_driver(&bttv_pci_driver);
5030 bus_unregister(&bttv_sub_bus_type);
5034 module_init(bttv_init_module);
5035 module_exit(bttv_cleanup_module);