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>
13 (c) 2005-2006 Nickolay V. Shmyrev <nshmyrev@yandex.ru>
15 Fixes to be fully V4L2 compliant by
16 (c) 2006 Mauro Carvalho Chehab <mchehab@infradead.org>
18 Cropping and overscan support
19 Copyright (C) 2005, 2006 Michael H. Schimek <mschimek@gmx.at>
20 Sponsored by OPQ Systems AB
22 This program is free software; you can redistribute it and/or modify
23 it under the terms of the GNU General Public License as published by
24 the Free Software Foundation; either version 2 of the License, or
25 (at your option) any later version.
27 This program is distributed in the hope that it will be useful,
28 but WITHOUT ANY WARRANTY; without even the implied warranty of
29 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 GNU General Public License for more details.
32 You should have received a copy of the GNU General Public License
33 along with this program; if not, write to the Free Software
34 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
37 #include <linux/init.h>
38 #include <linux/module.h>
39 #include <linux/delay.h>
40 #include <linux/errno.h>
42 #include <linux/kernel.h>
43 #include <linux/sched.h>
44 #include <linux/interrupt.h>
45 #include <linux/kdev_t.h>
47 #include <media/v4l2-common.h>
48 #include <media/tvaudio.h>
49 #include <media/msp3400.h>
51 #include <linux/dma-mapping.h>
54 #include <asm/byteorder.h>
56 #include <media/rds.h>
59 unsigned int bttv_num
; /* number of Bt848s in use */
60 struct bttv bttvs
[BTTV_MAX
];
62 unsigned int bttv_debug
;
63 unsigned int bttv_verbose
= 1;
64 unsigned int bttv_gpio
;
66 /* config variables */
68 static unsigned int bigendian
=1;
70 static unsigned int bigendian
;
72 static unsigned int radio
[BTTV_MAX
];
73 static unsigned int irq_debug
;
74 static unsigned int gbuffers
= 8;
75 static unsigned int gbufsize
= 0x208000;
76 static unsigned int reset_crop
= 1;
78 static int video_nr
= -1;
79 static int radio_nr
= -1;
80 static int vbi_nr
= -1;
81 static int debug_latency
;
83 static unsigned int fdsr
;
86 static unsigned int combfilter
;
87 static unsigned int lumafilter
;
88 static unsigned int automute
= 1;
89 static unsigned int chroma_agc
;
90 static unsigned int adc_crush
= 1;
91 static unsigned int whitecrush_upper
= 0xCF;
92 static unsigned int whitecrush_lower
= 0x7F;
93 static unsigned int vcr_hack
;
94 static unsigned int irq_iswitch
;
95 static unsigned int uv_ratio
= 50;
96 static unsigned int full_luma_range
;
97 static unsigned int coring
;
98 extern int no_overlay
;
100 /* API features (turn on/off stuff for testing) */
101 static unsigned int v4l2
= 1;
104 module_param(bttv_verbose
, int, 0644);
105 module_param(bttv_gpio
, int, 0644);
106 module_param(bttv_debug
, int, 0644);
107 module_param(irq_debug
, int, 0644);
108 module_param(debug_latency
, int, 0644);
110 module_param(fdsr
, int, 0444);
111 module_param(video_nr
, int, 0444);
112 module_param(radio_nr
, int, 0444);
113 module_param(vbi_nr
, int, 0444);
114 module_param(gbuffers
, int, 0444);
115 module_param(gbufsize
, int, 0444);
116 module_param(reset_crop
, int, 0444);
118 module_param(v4l2
, int, 0644);
119 module_param(bigendian
, int, 0644);
120 module_param(irq_iswitch
, int, 0644);
121 module_param(combfilter
, int, 0444);
122 module_param(lumafilter
, int, 0444);
123 module_param(automute
, int, 0444);
124 module_param(chroma_agc
, int, 0444);
125 module_param(adc_crush
, int, 0444);
126 module_param(whitecrush_upper
, int, 0444);
127 module_param(whitecrush_lower
, int, 0444);
128 module_param(vcr_hack
, int, 0444);
129 module_param(uv_ratio
, int, 0444);
130 module_param(full_luma_range
, int, 0444);
131 module_param(coring
, int, 0444);
133 module_param_array(radio
, int, NULL
, 0444);
135 MODULE_PARM_DESC(radio
,"The TV card supports radio, default is 0 (no)");
136 MODULE_PARM_DESC(bigendian
,"byte order of the framebuffer, default is native endian");
137 MODULE_PARM_DESC(bttv_verbose
,"verbose startup messages, default is 1 (yes)");
138 MODULE_PARM_DESC(bttv_gpio
,"log gpio changes, default is 0 (no)");
139 MODULE_PARM_DESC(bttv_debug
,"debug messages, default is 0 (no)");
140 MODULE_PARM_DESC(irq_debug
,"irq handler debug messages, default is 0 (no)");
141 MODULE_PARM_DESC(gbuffers
,"number of capture buffers. range 2-32, default 8");
142 MODULE_PARM_DESC(gbufsize
,"size of the capture buffers, default is 0x208000");
143 MODULE_PARM_DESC(reset_crop
,"reset cropping parameters at open(), default "
144 "is 1 (yes) for compatibility with older applications");
145 MODULE_PARM_DESC(automute
,"mute audio on bad/missing video signal, default is 1 (yes)");
146 MODULE_PARM_DESC(chroma_agc
,"enables the AGC of chroma signal, default is 0 (no)");
147 MODULE_PARM_DESC(adc_crush
,"enables the luminance ADC crush, default is 1 (yes)");
148 MODULE_PARM_DESC(whitecrush_upper
,"sets the white crush upper value, default is 207");
149 MODULE_PARM_DESC(whitecrush_lower
,"sets the white crush lower value, default is 127");
150 MODULE_PARM_DESC(vcr_hack
,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)");
151 MODULE_PARM_DESC(irq_iswitch
,"switch inputs in irq handler");
152 MODULE_PARM_DESC(uv_ratio
,"ratio between u and v gains, default is 50");
153 MODULE_PARM_DESC(full_luma_range
,"use the full luma range, default is 0 (no)");
154 MODULE_PARM_DESC(coring
,"set the luma coring level, default is 0 (no)");
156 MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards");
157 MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr");
158 MODULE_LICENSE("GPL");
160 /* ----------------------------------------------------------------------- */
163 static ssize_t
show_card(struct device
*cd
,
164 struct device_attribute
*attr
, char *buf
)
166 struct video_device
*vfd
= container_of(cd
, struct video_device
, class_dev
);
167 struct bttv
*btv
= dev_get_drvdata(vfd
->dev
);
168 return sprintf(buf
, "%d\n", btv
? btv
->c
.type
: UNSET
);
170 static DEVICE_ATTR(card
, S_IRUGO
, show_card
, NULL
);
172 /* ----------------------------------------------------------------------- */
173 /* dvb auto-load setup */
174 #if defined(CONFIG_MODULES) && defined(MODULE)
175 static void request_module_async(struct work_struct
*work
)
177 request_module("dvb-bt8xx");
180 static void request_modules(struct bttv
*dev
)
182 INIT_WORK(&dev
->request_module_wk
, request_module_async
);
183 schedule_work(&dev
->request_module_wk
);
186 #define request_modules(dev)
187 #endif /* CONFIG_MODULES */
190 /* ----------------------------------------------------------------------- */
193 /* special timing tables from conexant... */
194 static u8 SRAM_Table
[][60] =
196 /* PAL digital input over GPIO[7:0] */
198 45, // 45 bytes following
199 0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16,
200 0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00,
201 0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00,
202 0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37,
203 0x37,0x00,0xAF,0x21,0x00
205 /* NTSC digital input over GPIO[7:0] */
207 51, // 51 bytes following
208 0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06,
209 0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00,
210 0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07,
211 0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6,
212 0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21,
215 // TGB_NTSC392 // quartzsight
216 // This table has been modified to be used for Fusion Rev D
218 0x2A, // size of table = 42
219 0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24,
220 0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10,
221 0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00,
222 0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3,
227 /* minhdelayx1 first video pixel we can capture on a line and
228 hdelayx1 start of active video, both relative to rising edge of
229 /HRESET pulse (0H) in 1 / fCLKx1.
230 swidth width of active video and
231 totalwidth total line width, both in 1 / fCLKx1.
232 sqwidth total line width in square pixels.
233 vdelay start of active video in 2 * field lines relative to
234 trailing edge of /VRESET pulse (VDELAY register).
235 sheight height of active video in 2 * field lines.
236 videostart0 ITU-R frame line number of the line corresponding
237 to vdelay in the first field. */
238 #define CROPCAP(minhdelayx1, hdelayx1, swidth, totalwidth, sqwidth, \
239 vdelay, sheight, videostart0) \
240 .cropcap.bounds.left = minhdelayx1, \
241 /* * 2 because vertically we count field lines times two, */ \
242 /* e.g. 23 * 2 to 23 * 2 + 576 in PAL-BGHI defrect. */ \
243 .cropcap.bounds.top = (videostart0) * 2 - (vdelay) + MIN_VDELAY, \
244 /* 4 is a safety margin at the end of the line. */ \
245 .cropcap.bounds.width = (totalwidth) - (minhdelayx1) - 4, \
246 .cropcap.bounds.height = (sheight) + (vdelay) - MIN_VDELAY, \
247 .cropcap.defrect.left = hdelayx1, \
248 .cropcap.defrect.top = (videostart0) * 2, \
249 .cropcap.defrect.width = swidth, \
250 .cropcap.defrect.height = sheight, \
251 .cropcap.pixelaspect.numerator = totalwidth, \
252 .cropcap.pixelaspect.denominator = sqwidth,
254 const struct bttv_tvnorm bttv_tvnorms
[] = {
256 /* max. active video is actually 922, but 924 is divisible by 4 and 3! */
257 /* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */
259 .v4l2_id
= V4L2_STD_PAL
,
267 .iform
= (BT848_IFORM_PAL_BDGHI
|BT848_IFORM_XT1
),
268 .scaledtwidth
= 1135,
272 .vbipack
= 255, /* min (2048 / 4, 0x1ff) & 0xff */
274 /* ITU-R frame line number of the first VBI line
275 we can capture, of the first and second field.
276 The last line is determined by cropcap.bounds. */
277 .vbistart
= { 7, 320 },
278 CROPCAP(/* minhdelayx1 */ 68,
280 /* Should be (768 * 1135 + 944 / 2) / 944.
281 cropcap.defrect is used for image width
282 checks, so we keep the old value 924. */
284 /* totalwidth */ 1135,
288 /* videostart0 */ 23)
289 /* bt878 (and bt848?) can capture another
290 line below active video. */
291 .cropcap
.bounds
.height
= (576 + 2) + 0x20 - 2,
293 .v4l2_id
= V4L2_STD_NTSC_M
| V4L2_STD_NTSC_M_KR
,
301 .iform
= (BT848_IFORM_NTSC
|BT848_IFORM_XT0
),
306 .vbipack
= 144, /* min (1600 / 4, 0x1ff) & 0xff */
308 .vbistart
= { 10, 273 },
309 CROPCAP(/* minhdelayx1 */ 68,
311 /* Should be (640 * 910 + 780 / 2) / 780? */
313 /* totalwidth */ 910,
317 /* videostart0 */ 23)
319 .v4l2_id
= V4L2_STD_SECAM
,
327 .iform
= (BT848_IFORM_SECAM
|BT848_IFORM_XT1
),
328 .scaledtwidth
= 1135,
333 .sram
= 0, /* like PAL, correct? */
334 .vbistart
= { 7, 320 },
335 CROPCAP(/* minhdelayx1 */ 68,
338 /* totalwidth */ 1135,
342 /* videostart0 */ 23)
344 .v4l2_id
= V4L2_STD_PAL_Nc
,
352 .iform
= (BT848_IFORM_PAL_NC
|BT848_IFORM_XT0
),
359 .vbistart
= { 7, 320 },
360 CROPCAP(/* minhdelayx1 */ 68,
362 /* swidth */ (640 * 910 + 780 / 2) / 780,
363 /* totalwidth */ 910,
367 /* videostart0 */ 23)
369 .v4l2_id
= V4L2_STD_PAL_M
,
377 .iform
= (BT848_IFORM_PAL_M
|BT848_IFORM_XT0
),
384 .vbistart
= { 10, 273 },
385 CROPCAP(/* minhdelayx1 */ 68,
387 /* swidth */ (640 * 910 + 780 / 2) / 780,
388 /* totalwidth */ 910,
392 /* videostart0 */ 23)
394 .v4l2_id
= V4L2_STD_PAL_N
,
402 .iform
= (BT848_IFORM_PAL_N
|BT848_IFORM_XT1
),
409 .vbistart
= { 7, 320 },
410 CROPCAP(/* minhdelayx1 */ 68,
412 /* swidth */ (768 * 1135 + 944 / 2) / 944,
413 /* totalwidth */ 1135,
417 /* videostart0 */ 23)
419 .v4l2_id
= V4L2_STD_NTSC_M_JP
,
427 .iform
= (BT848_IFORM_NTSC_J
|BT848_IFORM_XT0
),
434 .vbistart
= { 10, 273 },
435 CROPCAP(/* minhdelayx1 */ 68,
437 /* swidth */ (640 * 910 + 780 / 2) / 780,
438 /* totalwidth */ 910,
442 /* videostart0 */ 23)
444 /* that one hopefully works with the strange timing
445 * which video recorders produce when playing a NTSC
446 * tape on a PAL TV ... */
447 .v4l2_id
= V4L2_STD_PAL_60
,
455 .iform
= (BT848_IFORM_PAL_BDGHI
|BT848_IFORM_XT1
),
456 .scaledtwidth
= 1135,
463 .vbistart
= { 10, 273 },
464 CROPCAP(/* minhdelayx1 */ 68,
467 /* totalwidth */ 1135,
471 /* videostart0 */ 23)
474 static const unsigned int BTTV_TVNORMS
= ARRAY_SIZE(bttv_tvnorms
);
476 /* ----------------------------------------------------------------------- */
478 packed pixel formats must come first */
479 static const struct bttv_format formats
[] = {
481 .name
= "8 bpp, gray",
482 .fourcc
= V4L2_PIX_FMT_GREY
,
483 .btformat
= BT848_COLOR_FMT_Y8
,
485 .flags
= FORMAT_FLAGS_PACKED
,
487 .name
= "8 bpp, dithered color",
488 .fourcc
= V4L2_PIX_FMT_HI240
,
489 .btformat
= BT848_COLOR_FMT_RGB8
,
491 .flags
= FORMAT_FLAGS_PACKED
| FORMAT_FLAGS_DITHER
,
493 .name
= "15 bpp RGB, le",
494 .fourcc
= V4L2_PIX_FMT_RGB555
,
495 .btformat
= BT848_COLOR_FMT_RGB15
,
497 .flags
= FORMAT_FLAGS_PACKED
,
499 .name
= "15 bpp RGB, be",
500 .fourcc
= V4L2_PIX_FMT_RGB555X
,
501 .btformat
= BT848_COLOR_FMT_RGB15
,
502 .btswap
= 0x03, /* byteswap */
504 .flags
= FORMAT_FLAGS_PACKED
,
506 .name
= "16 bpp RGB, le",
507 .fourcc
= V4L2_PIX_FMT_RGB565
,
508 .btformat
= BT848_COLOR_FMT_RGB16
,
510 .flags
= FORMAT_FLAGS_PACKED
,
512 .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 .fourcc
= V4L2_PIX_FMT_BGR24
,
521 .btformat
= BT848_COLOR_FMT_RGB24
,
523 .flags
= FORMAT_FLAGS_PACKED
,
525 .name
= "32 bpp RGB, le",
526 .fourcc
= V4L2_PIX_FMT_BGR32
,
527 .btformat
= BT848_COLOR_FMT_RGB32
,
529 .flags
= FORMAT_FLAGS_PACKED
,
531 .name
= "32 bpp RGB, be",
532 .fourcc
= V4L2_PIX_FMT_RGB32
,
533 .btformat
= BT848_COLOR_FMT_RGB32
,
534 .btswap
= 0x0f, /* byte+word swap */
536 .flags
= FORMAT_FLAGS_PACKED
,
538 .name
= "4:2:2, packed, YUYV",
539 .fourcc
= V4L2_PIX_FMT_YUYV
,
540 .btformat
= BT848_COLOR_FMT_YUY2
,
542 .flags
= FORMAT_FLAGS_PACKED
,
544 .name
= "4:2:2, packed, YUYV",
545 .fourcc
= V4L2_PIX_FMT_YUYV
,
546 .btformat
= BT848_COLOR_FMT_YUY2
,
548 .flags
= FORMAT_FLAGS_PACKED
,
550 .name
= "4:2:2, packed, UYVY",
551 .fourcc
= V4L2_PIX_FMT_UYVY
,
552 .btformat
= BT848_COLOR_FMT_YUY2
,
553 .btswap
= 0x03, /* byteswap */
555 .flags
= FORMAT_FLAGS_PACKED
,
557 .name
= "4:2:2, planar, Y-Cb-Cr",
558 .fourcc
= V4L2_PIX_FMT_YUV422P
,
559 .btformat
= BT848_COLOR_FMT_YCrCb422
,
561 .flags
= FORMAT_FLAGS_PLANAR
,
565 .name
= "4:2:0, planar, Y-Cb-Cr",
566 .fourcc
= V4L2_PIX_FMT_YUV420
,
567 .btformat
= BT848_COLOR_FMT_YCrCb422
,
569 .flags
= FORMAT_FLAGS_PLANAR
,
573 .name
= "4:2:0, planar, Y-Cr-Cb",
574 .fourcc
= V4L2_PIX_FMT_YVU420
,
575 .btformat
= BT848_COLOR_FMT_YCrCb422
,
577 .flags
= FORMAT_FLAGS_PLANAR
| FORMAT_FLAGS_CrCb
,
581 .name
= "4:1:1, planar, Y-Cb-Cr",
582 .fourcc
= V4L2_PIX_FMT_YUV411P
,
583 .btformat
= BT848_COLOR_FMT_YCrCb411
,
585 .flags
= FORMAT_FLAGS_PLANAR
,
589 .name
= "4:1:0, planar, Y-Cb-Cr",
590 .fourcc
= V4L2_PIX_FMT_YUV410
,
591 .btformat
= BT848_COLOR_FMT_YCrCb411
,
593 .flags
= FORMAT_FLAGS_PLANAR
,
597 .name
= "4:1:0, planar, Y-Cr-Cb",
598 .fourcc
= V4L2_PIX_FMT_YVU410
,
599 .btformat
= BT848_COLOR_FMT_YCrCb411
,
601 .flags
= FORMAT_FLAGS_PLANAR
| FORMAT_FLAGS_CrCb
,
605 .name
= "raw scanlines",
607 .btformat
= BT848_COLOR_FMT_RAW
,
609 .flags
= FORMAT_FLAGS_RAW
,
612 static const unsigned int FORMATS
= ARRAY_SIZE(formats
);
614 /* ----------------------------------------------------------------------- */
616 #define V4L2_CID_PRIVATE_CHROMA_AGC (V4L2_CID_PRIVATE_BASE + 0)
617 #define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_PRIVATE_BASE + 1)
618 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 2)
619 #define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_PRIVATE_BASE + 3)
620 #define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_PRIVATE_BASE + 4)
621 #define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_PRIVATE_BASE + 5)
622 #define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_PRIVATE_BASE + 6)
623 #define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_PRIVATE_BASE + 7)
624 #define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_PRIVATE_BASE + 8)
625 #define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_PRIVATE_BASE + 9)
626 #define V4L2_CID_PRIVATE_CORING (V4L2_CID_PRIVATE_BASE + 10)
627 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 11)
629 static const struct v4l2_queryctrl no_ctl
= {
631 .flags
= V4L2_CTRL_FLAG_DISABLED
,
633 static const struct v4l2_queryctrl bttv_ctls
[] = {
636 .id
= V4L2_CID_BRIGHTNESS
,
637 .name
= "Brightness",
641 .default_value
= 32768,
642 .type
= V4L2_CTRL_TYPE_INTEGER
,
644 .id
= V4L2_CID_CONTRAST
,
649 .default_value
= 32768,
650 .type
= V4L2_CTRL_TYPE_INTEGER
,
652 .id
= V4L2_CID_SATURATION
,
653 .name
= "Saturation",
657 .default_value
= 32768,
658 .type
= V4L2_CTRL_TYPE_INTEGER
,
665 .default_value
= 32768,
666 .type
= V4L2_CTRL_TYPE_INTEGER
,
670 .id
= V4L2_CID_AUDIO_MUTE
,
674 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
676 .id
= V4L2_CID_AUDIO_VOLUME
,
681 .default_value
= 65535,
682 .type
= V4L2_CTRL_TYPE_INTEGER
,
684 .id
= V4L2_CID_AUDIO_BALANCE
,
689 .default_value
= 32768,
690 .type
= V4L2_CTRL_TYPE_INTEGER
,
692 .id
= V4L2_CID_AUDIO_BASS
,
697 .default_value
= 32768,
698 .type
= V4L2_CTRL_TYPE_INTEGER
,
700 .id
= V4L2_CID_AUDIO_TREBLE
,
705 .default_value
= 32768,
706 .type
= V4L2_CTRL_TYPE_INTEGER
,
708 /* --- private --- */
710 .id
= V4L2_CID_PRIVATE_CHROMA_AGC
,
711 .name
= "chroma agc",
714 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
716 .id
= V4L2_CID_PRIVATE_COMBFILTER
,
717 .name
= "combfilter",
720 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
722 .id
= V4L2_CID_PRIVATE_AUTOMUTE
,
726 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
728 .id
= V4L2_CID_PRIVATE_LUMAFILTER
,
729 .name
= "luma decimation filter",
732 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
734 .id
= V4L2_CID_PRIVATE_AGC_CRUSH
,
738 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
740 .id
= V4L2_CID_PRIVATE_VCR_HACK
,
744 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
746 .id
= V4L2_CID_PRIVATE_WHITECRUSH_UPPER
,
747 .name
= "whitecrush upper",
751 .default_value
= 0xCF,
752 .type
= V4L2_CTRL_TYPE_INTEGER
,
754 .id
= V4L2_CID_PRIVATE_WHITECRUSH_LOWER
,
755 .name
= "whitecrush lower",
759 .default_value
= 0x7F,
760 .type
= V4L2_CTRL_TYPE_INTEGER
,
762 .id
= V4L2_CID_PRIVATE_UV_RATIO
,
768 .type
= V4L2_CTRL_TYPE_INTEGER
,
770 .id
= V4L2_CID_PRIVATE_FULL_LUMA_RANGE
,
771 .name
= "full luma range",
774 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
776 .id
= V4L2_CID_PRIVATE_CORING
,
782 .type
= V4L2_CTRL_TYPE_INTEGER
,
789 static const struct v4l2_queryctrl
*ctrl_by_id(int id
)
793 for (i
= 0; i
< ARRAY_SIZE(bttv_ctls
); i
++)
794 if (bttv_ctls
[i
].id
== id
)
800 /* ----------------------------------------------------------------------- */
801 /* resource management */
804 RESOURCE_ allocated by freed by
806 VIDEO_READ bttv_read 1) bttv_read 2)
808 VIDEO_STREAM VIDIOC_STREAMON VIDIOC_STREAMOFF
809 VIDIOC_QBUF 1) bttv_release
812 OVERLAY VIDIOCCAPTURE on VIDIOCCAPTURE off
813 VIDIOC_OVERLAY on VIDIOC_OVERLAY off
816 VBI VIDIOC_STREAMON VIDIOC_STREAMOFF
817 VIDIOC_QBUF 1) bttv_release
818 bttv_read, bttv_poll 1) 4)
820 1) The resource must be allocated when we enter buffer prepare functions
821 and remain allocated while buffers are in the DMA queue.
822 2) This is a single frame read.
823 3) VIDIOC_S_FBUF and VIDIOC_S_FMT (OVERLAY) still work when
824 RESOURCE_OVERLAY is allocated.
825 4) This is a continuous read, implies VIDIOC_STREAMON.
827 Note this driver permits video input and standard changes regardless if
828 resources are allocated.
831 #define VBI_RESOURCES (RESOURCE_VBI)
832 #define VIDEO_RESOURCES (RESOURCE_VIDEO_READ | \
833 RESOURCE_VIDEO_STREAM | \
837 int check_alloc_btres(struct bttv
*btv
, struct bttv_fh
*fh
, int bit
)
839 int xbits
; /* mutual exclusive resources */
841 if (fh
->resources
& bit
)
842 /* have it already allocated */
846 if (bit
& (RESOURCE_VIDEO_READ
| RESOURCE_VIDEO_STREAM
))
847 xbits
|= RESOURCE_VIDEO_READ
| RESOURCE_VIDEO_STREAM
;
850 mutex_lock(&btv
->lock
);
851 if (btv
->resources
& xbits
) {
852 /* no, someone else uses it */
856 if ((bit
& VIDEO_RESOURCES
)
857 && 0 == (btv
->resources
& VIDEO_RESOURCES
)) {
858 /* Do crop - use current, don't - use default parameters. */
859 __s32 top
= btv
->crop
[!!fh
->do_crop
].rect
.top
;
861 if (btv
->vbi_end
> top
)
864 /* We cannot capture the same line as video and VBI data.
865 Claim scan lines crop[].rect.top to bottom. */
866 btv
->crop_start
= top
;
867 } else if (bit
& VBI_RESOURCES
) {
868 __s32 end
= fh
->vbi_fmt
.end
;
870 if (end
> btv
->crop_start
)
873 /* Claim scan lines above fh->vbi_fmt.end. */
877 /* it's free, grab it */
878 fh
->resources
|= bit
;
879 btv
->resources
|= bit
;
880 mutex_unlock(&btv
->lock
);
884 mutex_unlock(&btv
->lock
);
889 int check_btres(struct bttv_fh
*fh
, int bit
)
891 return (fh
->resources
& bit
);
895 int locked_btres(struct bttv
*btv
, int bit
)
897 return (btv
->resources
& bit
);
900 /* Call with btv->lock down. */
902 disclaim_vbi_lines(struct bttv
*btv
)
907 /* Call with btv->lock down. */
909 disclaim_video_lines(struct bttv
*btv
)
911 const struct bttv_tvnorm
*tvnorm
;
914 tvnorm
= &bttv_tvnorms
[btv
->tvnorm
];
915 btv
->crop_start
= tvnorm
->cropcap
.bounds
.top
916 + tvnorm
->cropcap
.bounds
.height
;
918 /* VBI capturing ends at VDELAY, start of video capturing, no
919 matter how many lines the VBI RISC program expects. When video
920 capturing is off, it shall no longer "preempt" VBI capturing,
921 so we set VDELAY to maximum. */
922 crop
= btread(BT848_E_CROP
) | 0xc0;
923 btwrite(crop
, BT848_E_CROP
);
924 btwrite(0xfe, BT848_E_VDELAY_LO
);
925 btwrite(crop
, BT848_O_CROP
);
926 btwrite(0xfe, BT848_O_VDELAY_LO
);
930 void free_btres(struct bttv
*btv
, struct bttv_fh
*fh
, int bits
)
932 if ((fh
->resources
& bits
) != bits
) {
933 /* trying to free ressources not allocated by us ... */
934 printk("bttv: BUG! (btres)\n");
936 mutex_lock(&btv
->lock
);
937 fh
->resources
&= ~bits
;
938 btv
->resources
&= ~bits
;
940 bits
= btv
->resources
;
942 if (0 == (bits
& VIDEO_RESOURCES
))
943 disclaim_video_lines(btv
);
945 if (0 == (bits
& VBI_RESOURCES
))
946 disclaim_vbi_lines(btv
);
948 mutex_unlock(&btv
->lock
);
951 /* ----------------------------------------------------------------------- */
952 /* If Bt848a or Bt849, use PLL for PAL/SECAM and crystal for NTSC */
954 /* Frequency = (F_input / PLL_X) * PLL_I.PLL_F/PLL_C
955 PLL_X = Reference pre-divider (0=1, 1=2)
956 PLL_C = Post divider (0=6, 1=4)
957 PLL_I = Integer input
958 PLL_F = Fractional input
960 F_input = 28.636363 MHz:
961 PAL (CLKx2 = 35.46895 MHz): PLL_X = 1, PLL_I = 0x0E, PLL_F = 0xDCF9, PLL_C = 0
964 static void set_pll_freq(struct bttv
*btv
, unsigned int fin
, unsigned int fout
)
966 unsigned char fl
, fh
, fi
;
968 /* prevent overflows */
981 btwrite(fl
, BT848_PLL_F_LO
);
982 btwrite(fh
, BT848_PLL_F_HI
);
983 btwrite(fi
|BT848_PLL_X
, BT848_PLL_XCI
);
986 static void set_pll(struct bttv
*btv
)
990 if (!btv
->pll
.pll_crystal
)
993 if (btv
->pll
.pll_ofreq
== btv
->pll
.pll_current
) {
994 dprintk("bttv%d: PLL: no change required\n",btv
->c
.nr
);
998 if (btv
->pll
.pll_ifreq
== btv
->pll
.pll_ofreq
) {
1000 if (btv
->pll
.pll_current
== 0)
1002 bttv_printk(KERN_INFO
"bttv%d: PLL can sleep, using XTAL (%d).\n",
1003 btv
->c
.nr
,btv
->pll
.pll_ifreq
);
1004 btwrite(0x00,BT848_TGCTRL
);
1005 btwrite(0x00,BT848_PLL_XCI
);
1006 btv
->pll
.pll_current
= 0;
1010 bttv_printk(KERN_INFO
"bttv%d: PLL: %d => %d ",btv
->c
.nr
,
1011 btv
->pll
.pll_ifreq
, btv
->pll
.pll_ofreq
);
1012 set_pll_freq(btv
, btv
->pll
.pll_ifreq
, btv
->pll
.pll_ofreq
);
1014 for (i
=0; i
<10; i
++) {
1015 /* Let other people run while the PLL stabilizes */
1019 if (btread(BT848_DSTATUS
) & BT848_DSTATUS_PLOCK
) {
1020 btwrite(0,BT848_DSTATUS
);
1022 btwrite(0x08,BT848_TGCTRL
);
1023 btv
->pll
.pll_current
= btv
->pll
.pll_ofreq
;
1024 bttv_printk(" ok\n");
1028 btv
->pll
.pll_current
= -1;
1029 bttv_printk("failed\n");
1033 /* used to switch between the bt848's analog/digital video capture modes */
1034 static void bt848A_set_timing(struct bttv
*btv
)
1037 int table_idx
= bttv_tvnorms
[btv
->tvnorm
].sram
;
1038 int fsc
= bttv_tvnorms
[btv
->tvnorm
].Fsc
;
1040 if (UNSET
== bttv_tvcards
[btv
->c
.type
].muxsel
[btv
->input
]) {
1041 dprintk("bttv%d: load digital timing table (table_idx=%d)\n",
1042 btv
->c
.nr
,table_idx
);
1044 /* timing change...reset timing generator address */
1045 btwrite(0x00, BT848_TGCTRL
);
1046 btwrite(0x02, BT848_TGCTRL
);
1047 btwrite(0x00, BT848_TGCTRL
);
1049 len
=SRAM_Table
[table_idx
][0];
1050 for(i
= 1; i
<= len
; i
++)
1051 btwrite(SRAM_Table
[table_idx
][i
],BT848_TGLB
);
1052 btv
->pll
.pll_ofreq
= 27000000;
1055 btwrite(0x11, BT848_TGCTRL
);
1056 btwrite(0x41, BT848_DVSIF
);
1058 btv
->pll
.pll_ofreq
= fsc
;
1060 btwrite(0x0, BT848_DVSIF
);
1064 /* ----------------------------------------------------------------------- */
1066 static void bt848_bright(struct bttv
*btv
, int bright
)
1070 // printk("bttv: set bright: %d\n",bright); // DEBUG
1071 btv
->bright
= bright
;
1073 /* We want -128 to 127 we get 0-65535 */
1074 value
= (bright
>> 8) - 128;
1075 btwrite(value
& 0xff, BT848_BRIGHT
);
1078 static void bt848_hue(struct bttv
*btv
, int hue
)
1085 value
= (hue
>> 8) - 128;
1086 btwrite(value
& 0xff, BT848_HUE
);
1089 static void bt848_contrast(struct bttv
*btv
, int cont
)
1093 btv
->contrast
= cont
;
1096 value
= (cont
>> 7);
1097 hibit
= (value
>> 6) & 4;
1098 btwrite(value
& 0xff, BT848_CONTRAST_LO
);
1099 btaor(hibit
, ~4, BT848_E_CONTROL
);
1100 btaor(hibit
, ~4, BT848_O_CONTROL
);
1103 static void bt848_sat(struct bttv
*btv
, int color
)
1105 int val_u
,val_v
,hibits
;
1107 btv
->saturation
= color
;
1109 /* 0-511 for the color */
1110 val_u
= ((color
* btv
->opt_uv_ratio
) / 50) >> 7;
1111 val_v
= (((color
* (100 - btv
->opt_uv_ratio
) / 50) >>7)*180L)/254;
1112 hibits
= (val_u
>> 7) & 2;
1113 hibits
|= (val_v
>> 8) & 1;
1114 btwrite(val_u
& 0xff, BT848_SAT_U_LO
);
1115 btwrite(val_v
& 0xff, BT848_SAT_V_LO
);
1116 btaor(hibits
, ~3, BT848_E_CONTROL
);
1117 btaor(hibits
, ~3, BT848_O_CONTROL
);
1120 /* ----------------------------------------------------------------------- */
1123 video_mux(struct bttv
*btv
, unsigned int input
)
1127 if (input
>= bttv_tvcards
[btv
->c
.type
].video_inputs
)
1130 /* needed by RemoteVideo MX */
1131 mask2
= bttv_tvcards
[btv
->c
.type
].gpiomask2
;
1133 gpio_inout(mask2
,mask2
);
1135 if (input
== btv
->svhs
) {
1136 btor(BT848_CONTROL_COMP
, BT848_E_CONTROL
);
1137 btor(BT848_CONTROL_COMP
, BT848_O_CONTROL
);
1139 btand(~BT848_CONTROL_COMP
, BT848_E_CONTROL
);
1140 btand(~BT848_CONTROL_COMP
, BT848_O_CONTROL
);
1142 mux
= bttv_tvcards
[btv
->c
.type
].muxsel
[input
] & 3;
1143 btaor(mux
<<5, ~(3<<5), BT848_IFORM
);
1144 dprintk(KERN_DEBUG
"bttv%d: video mux: input=%d mux=%d\n",
1145 btv
->c
.nr
,input
,mux
);
1147 /* card specific hook */
1148 if(bttv_tvcards
[btv
->c
.type
].muxsel_hook
)
1149 bttv_tvcards
[btv
->c
.type
].muxsel_hook (btv
, input
);
1153 static char *audio_modes
[] = {
1154 "audio: tuner", "audio: radio", "audio: extern",
1155 "audio: intern", "audio: mute"
1159 audio_mux(struct bttv
*btv
, int input
, int mute
)
1161 int gpio_val
, signal
;
1162 struct v4l2_control ctrl
;
1163 struct i2c_client
*c
;
1165 gpio_inout(bttv_tvcards
[btv
->c
.type
].gpiomask
,
1166 bttv_tvcards
[btv
->c
.type
].gpiomask
);
1167 signal
= btread(BT848_DSTATUS
) & BT848_DSTATUS_HLOC
;
1173 mute
= mute
|| (btv
->opt_automute
&& !signal
&& !btv
->radio_user
);
1176 gpio_val
= bttv_tvcards
[btv
->c
.type
].gpiomute
;
1178 gpio_val
= bttv_tvcards
[btv
->c
.type
].gpiomux
[input
];
1180 gpio_bits(bttv_tvcards
[btv
->c
.type
].gpiomask
, gpio_val
);
1182 bttv_gpio_tracking(btv
, audio_modes
[mute
? 4 : input
]);
1186 ctrl
.id
= V4L2_CID_AUDIO_MUTE
;
1187 ctrl
.value
= btv
->mute
;
1188 bttv_call_i2c_clients(btv
, VIDIOC_S_CTRL
, &ctrl
);
1189 c
= btv
->i2c_msp34xx_client
;
1191 struct v4l2_routing route
;
1193 /* Note: the inputs tuner/radio/extern/intern are translated
1194 to msp routings. This assumes common behavior for all msp3400
1195 based TV cards. When this assumption fails, then the
1196 specific MSP routing must be added to the card table.
1197 For now this is sufficient. */
1199 case TVAUDIO_INPUT_RADIO
:
1200 route
.input
= MSP_INPUT(MSP_IN_SCART2
, MSP_IN_TUNER1
,
1201 MSP_DSP_IN_SCART
, MSP_DSP_IN_SCART
);
1203 case TVAUDIO_INPUT_EXTERN
:
1204 route
.input
= MSP_INPUT(MSP_IN_SCART1
, MSP_IN_TUNER1
,
1205 MSP_DSP_IN_SCART
, MSP_DSP_IN_SCART
);
1207 case TVAUDIO_INPUT_INTERN
:
1208 /* Yes, this is the same input as for RADIO. I doubt
1209 if this is ever used. The only board with an INTERN
1210 input is the BTTV_BOARD_AVERMEDIA98. I wonder how
1211 that was tested. My guess is that the whole INTERN
1212 input does not work. */
1213 route
.input
= MSP_INPUT(MSP_IN_SCART2
, MSP_IN_TUNER1
,
1214 MSP_DSP_IN_SCART
, MSP_DSP_IN_SCART
);
1216 case TVAUDIO_INPUT_TUNER
:
1218 /* This is the only card that uses TUNER2, and afaik,
1219 is the only difference between the VOODOOTV_FM
1221 if (btv
->c
.type
== BTTV_BOARD_VOODOOTV_200
)
1222 route
.input
= MSP_INPUT(MSP_IN_SCART1
, MSP_IN_TUNER2
, \
1223 MSP_DSP_IN_TUNER
, MSP_DSP_IN_TUNER
);
1225 route
.input
= MSP_INPUT_DEFAULT
;
1228 route
.output
= MSP_OUTPUT_DEFAULT
;
1229 c
->driver
->command(c
, VIDIOC_INT_S_AUDIO_ROUTING
, &route
);
1231 c
= btv
->i2c_tvaudio_client
;
1233 struct v4l2_routing route
;
1235 route
.input
= input
;
1237 c
->driver
->command(c
, VIDIOC_INT_S_AUDIO_ROUTING
, &route
);
1243 audio_mute(struct bttv
*btv
, int mute
)
1245 return audio_mux(btv
, btv
->audio
, mute
);
1249 audio_input(struct bttv
*btv
, int input
)
1251 return audio_mux(btv
, input
, btv
->mute
);
1255 bttv_crop_calc_limits(struct bttv_crop
*c
)
1257 /* Scale factor min. 1:1, max. 16:1. Min. image size
1258 48 x 32. Scaled width must be a multiple of 4. */
1261 /* For bug compatibility with VIDIOCGCAP and image
1262 size checks in earlier driver versions. */
1263 c
->min_scaled_width
= 48;
1264 c
->min_scaled_height
= 32;
1266 c
->min_scaled_width
=
1267 (max(48, c
->rect
.width
>> 4) + 3) & ~3;
1268 c
->min_scaled_height
=
1269 max(32, c
->rect
.height
>> 4);
1272 c
->max_scaled_width
= c
->rect
.width
& ~3;
1273 c
->max_scaled_height
= c
->rect
.height
;
1277 bttv_crop_reset(struct bttv_crop
*c
, int norm
)
1279 c
->rect
= bttv_tvnorms
[norm
].cropcap
.defrect
;
1280 bttv_crop_calc_limits(c
);
1283 /* Call with btv->lock down. */
1285 set_tvnorm(struct bttv
*btv
, unsigned int norm
)
1287 const struct bttv_tvnorm
*tvnorm
;
1290 if (norm
< 0 || norm
>= BTTV_TVNORMS
)
1293 tvnorm
= &bttv_tvnorms
[norm
];
1295 if (btv
->tvnorm
< 0 ||
1296 btv
->tvnorm
>= BTTV_TVNORMS
||
1297 0 != memcmp(&bttv_tvnorms
[btv
->tvnorm
].cropcap
,
1299 sizeof (tvnorm
->cropcap
))) {
1300 bttv_crop_reset(&btv
->crop
[0], norm
);
1301 btv
->crop
[1] = btv
->crop
[0]; /* current = default */
1303 if (0 == (btv
->resources
& VIDEO_RESOURCES
)) {
1304 btv
->crop_start
= tvnorm
->cropcap
.bounds
.top
1305 + tvnorm
->cropcap
.bounds
.height
;
1311 btwrite(tvnorm
->adelay
, BT848_ADELAY
);
1312 btwrite(tvnorm
->bdelay
, BT848_BDELAY
);
1313 btaor(tvnorm
->iform
,~(BT848_IFORM_NORM
|BT848_IFORM_XTBOTH
),
1315 btwrite(tvnorm
->vbipack
, BT848_VBI_PACK_SIZE
);
1316 btwrite(1, BT848_VBI_PACK_DEL
);
1317 bt848A_set_timing(btv
);
1319 switch (btv
->c
.type
) {
1320 case BTTV_BOARD_VOODOOTV_FM
:
1321 case BTTV_BOARD_VOODOOTV_200
:
1322 bttv_tda9880_setnorm(btv
,norm
);
1325 id
= tvnorm
->v4l2_id
;
1326 bttv_call_i2c_clients(btv
, VIDIOC_S_STD
, &id
);
1331 /* Call with btv->lock down. */
1333 set_input(struct bttv
*btv
, unsigned int input
, unsigned int norm
)
1335 unsigned long flags
;
1339 spin_lock_irqsave(&btv
->s_lock
,flags
);
1340 if (btv
->curr
.frame_irq
) {
1341 /* active capture -> delayed input switch */
1342 btv
->new_input
= input
;
1344 video_mux(btv
,input
);
1346 spin_unlock_irqrestore(&btv
->s_lock
,flags
);
1348 video_mux(btv
,input
);
1350 audio_input(btv
,(input
== bttv_tvcards
[btv
->c
.type
].tuner
?
1351 TVAUDIO_INPUT_TUNER
: TVAUDIO_INPUT_EXTERN
));
1352 set_tvnorm(btv
, norm
);
1355 static void init_irqreg(struct bttv
*btv
)
1358 btwrite(0xfffffUL
, BT848_INT_STAT
);
1360 if (bttv_tvcards
[btv
->c
.type
].no_video
) {
1362 btwrite(BT848_INT_I2CDONE
,
1366 btwrite((btv
->triton1
) |
1367 (btv
->gpioirq
? BT848_INT_GPINT
: 0) |
1369 (fdsr
? BT848_INT_FDSR
: 0) |
1370 BT848_INT_RISCI
|BT848_INT_OCERR
|BT848_INT_VPRES
|
1371 BT848_INT_FMTCHG
|BT848_INT_HLOCK
|
1377 static void init_bt848(struct bttv
*btv
)
1381 if (bttv_tvcards
[btv
->c
.type
].no_video
) {
1382 /* very basic init only */
1387 btwrite(0x00, BT848_CAP_CTL
);
1388 btwrite(BT848_COLOR_CTL_GAMMA
, BT848_COLOR_CTL
);
1389 btwrite(BT848_IFORM_XTAUTO
| BT848_IFORM_AUTO
, BT848_IFORM
);
1391 /* set planar and packed mode trigger points and */
1392 /* set rising edge of inverted GPINTR pin as irq trigger */
1393 btwrite(BT848_GPIO_DMA_CTL_PKTP_32
|
1394 BT848_GPIO_DMA_CTL_PLTP1_16
|
1395 BT848_GPIO_DMA_CTL_PLTP23_16
|
1396 BT848_GPIO_DMA_CTL_GPINTC
|
1397 BT848_GPIO_DMA_CTL_GPINTI
,
1398 BT848_GPIO_DMA_CTL
);
1400 val
= btv
->opt_chroma_agc
? BT848_SCLOOP_CAGC
: 0;
1401 btwrite(val
, BT848_E_SCLOOP
);
1402 btwrite(val
, BT848_O_SCLOOP
);
1404 btwrite(0x20, BT848_E_VSCALE_HI
);
1405 btwrite(0x20, BT848_O_VSCALE_HI
);
1406 btwrite(BT848_ADC_RESERVED
| (btv
->opt_adc_crush
? BT848_ADC_CRUSH
: 0),
1409 btwrite(whitecrush_upper
, BT848_WC_UP
);
1410 btwrite(whitecrush_lower
, BT848_WC_DOWN
);
1412 if (btv
->opt_lumafilter
) {
1413 btwrite(0, BT848_E_CONTROL
);
1414 btwrite(0, BT848_O_CONTROL
);
1416 btwrite(BT848_CONTROL_LDEC
, BT848_E_CONTROL
);
1417 btwrite(BT848_CONTROL_LDEC
, BT848_O_CONTROL
);
1420 bt848_bright(btv
, btv
->bright
);
1421 bt848_hue(btv
, btv
->hue
);
1422 bt848_contrast(btv
, btv
->contrast
);
1423 bt848_sat(btv
, btv
->saturation
);
1429 static void bttv_reinit_bt848(struct bttv
*btv
)
1431 unsigned long flags
;
1434 printk(KERN_INFO
"bttv%d: reset, reinitialize\n",btv
->c
.nr
);
1435 spin_lock_irqsave(&btv
->s_lock
,flags
);
1437 bttv_set_dma(btv
,0);
1438 spin_unlock_irqrestore(&btv
->s_lock
,flags
);
1441 btv
->pll
.pll_current
= -1;
1442 set_input(btv
, btv
->input
, btv
->tvnorm
);
1445 static int bttv_g_ctrl(struct file
*file
, void *priv
,
1446 struct v4l2_control
*c
)
1448 struct bttv_fh
*fh
= priv
;
1449 struct bttv
*btv
= fh
->btv
;
1452 case V4L2_CID_BRIGHTNESS
:
1453 c
->value
= btv
->bright
;
1456 c
->value
= btv
->hue
;
1458 case V4L2_CID_CONTRAST
:
1459 c
->value
= btv
->contrast
;
1461 case V4L2_CID_SATURATION
:
1462 c
->value
= btv
->saturation
;
1465 case V4L2_CID_AUDIO_MUTE
:
1466 case V4L2_CID_AUDIO_VOLUME
:
1467 case V4L2_CID_AUDIO_BALANCE
:
1468 case V4L2_CID_AUDIO_BASS
:
1469 case V4L2_CID_AUDIO_TREBLE
:
1470 bttv_call_i2c_clients(btv
, VIDIOC_G_CTRL
, c
);
1473 case V4L2_CID_PRIVATE_CHROMA_AGC
:
1474 c
->value
= btv
->opt_chroma_agc
;
1476 case V4L2_CID_PRIVATE_COMBFILTER
:
1477 c
->value
= btv
->opt_combfilter
;
1479 case V4L2_CID_PRIVATE_LUMAFILTER
:
1480 c
->value
= btv
->opt_lumafilter
;
1482 case V4L2_CID_PRIVATE_AUTOMUTE
:
1483 c
->value
= btv
->opt_automute
;
1485 case V4L2_CID_PRIVATE_AGC_CRUSH
:
1486 c
->value
= btv
->opt_adc_crush
;
1488 case V4L2_CID_PRIVATE_VCR_HACK
:
1489 c
->value
= btv
->opt_vcr_hack
;
1491 case V4L2_CID_PRIVATE_WHITECRUSH_UPPER
:
1492 c
->value
= btv
->opt_whitecrush_upper
;
1494 case V4L2_CID_PRIVATE_WHITECRUSH_LOWER
:
1495 c
->value
= btv
->opt_whitecrush_lower
;
1497 case V4L2_CID_PRIVATE_UV_RATIO
:
1498 c
->value
= btv
->opt_uv_ratio
;
1500 case V4L2_CID_PRIVATE_FULL_LUMA_RANGE
:
1501 c
->value
= btv
->opt_full_luma_range
;
1503 case V4L2_CID_PRIVATE_CORING
:
1504 c
->value
= btv
->opt_coring
;
1512 static int bttv_s_ctrl(struct file
*file
, void *f
,
1513 struct v4l2_control
*c
)
1517 struct bttv_fh
*fh
= f
;
1518 struct bttv
*btv
= fh
->btv
;
1520 err
= v4l2_prio_check(&btv
->prio
, &fh
->prio
);
1525 case V4L2_CID_BRIGHTNESS
:
1526 bt848_bright(btv
, c
->value
);
1529 bt848_hue(btv
, c
->value
);
1531 case V4L2_CID_CONTRAST
:
1532 bt848_contrast(btv
, c
->value
);
1534 case V4L2_CID_SATURATION
:
1535 bt848_sat(btv
, c
->value
);
1537 case V4L2_CID_AUDIO_MUTE
:
1538 audio_mute(btv
, c
->value
);
1540 case V4L2_CID_AUDIO_VOLUME
:
1541 if (btv
->volume_gpio
)
1542 btv
->volume_gpio(btv
, c
->value
);
1544 bttv_call_i2c_clients(btv
, VIDIOC_S_CTRL
, c
);
1546 case V4L2_CID_AUDIO_BALANCE
:
1547 case V4L2_CID_AUDIO_BASS
:
1548 case V4L2_CID_AUDIO_TREBLE
:
1549 bttv_call_i2c_clients(btv
, VIDIOC_S_CTRL
, c
);
1552 case V4L2_CID_PRIVATE_CHROMA_AGC
:
1553 btv
->opt_chroma_agc
= c
->value
;
1554 val
= btv
->opt_chroma_agc
? BT848_SCLOOP_CAGC
: 0;
1555 btwrite(val
, BT848_E_SCLOOP
);
1556 btwrite(val
, BT848_O_SCLOOP
);
1558 case V4L2_CID_PRIVATE_COMBFILTER
:
1559 btv
->opt_combfilter
= c
->value
;
1561 case V4L2_CID_PRIVATE_LUMAFILTER
:
1562 btv
->opt_lumafilter
= c
->value
;
1563 if (btv
->opt_lumafilter
) {
1564 btand(~BT848_CONTROL_LDEC
, BT848_E_CONTROL
);
1565 btand(~BT848_CONTROL_LDEC
, BT848_O_CONTROL
);
1567 btor(BT848_CONTROL_LDEC
, BT848_E_CONTROL
);
1568 btor(BT848_CONTROL_LDEC
, BT848_O_CONTROL
);
1571 case V4L2_CID_PRIVATE_AUTOMUTE
:
1572 btv
->opt_automute
= c
->value
;
1574 case V4L2_CID_PRIVATE_AGC_CRUSH
:
1575 btv
->opt_adc_crush
= c
->value
;
1576 btwrite(BT848_ADC_RESERVED
|
1577 (btv
->opt_adc_crush
? BT848_ADC_CRUSH
: 0),
1580 case V4L2_CID_PRIVATE_VCR_HACK
:
1581 btv
->opt_vcr_hack
= c
->value
;
1583 case V4L2_CID_PRIVATE_WHITECRUSH_UPPER
:
1584 btv
->opt_whitecrush_upper
= c
->value
;
1585 btwrite(c
->value
, BT848_WC_UP
);
1587 case V4L2_CID_PRIVATE_WHITECRUSH_LOWER
:
1588 btv
->opt_whitecrush_lower
= c
->value
;
1589 btwrite(c
->value
, BT848_WC_DOWN
);
1591 case V4L2_CID_PRIVATE_UV_RATIO
:
1592 btv
->opt_uv_ratio
= c
->value
;
1593 bt848_sat(btv
, btv
->saturation
);
1595 case V4L2_CID_PRIVATE_FULL_LUMA_RANGE
:
1596 btv
->opt_full_luma_range
= c
->value
;
1597 btaor((c
->value
<<7), ~BT848_OFORM_RANGE
, BT848_OFORM
);
1599 case V4L2_CID_PRIVATE_CORING
:
1600 btv
->opt_coring
= c
->value
;
1601 btaor((c
->value
<<5), ~BT848_OFORM_CORE32
, BT848_OFORM
);
1609 /* ----------------------------------------------------------------------- */
1611 void bttv_gpio_tracking(struct bttv
*btv
, char *comment
)
1613 unsigned int outbits
, data
;
1614 outbits
= btread(BT848_GPIO_OUT_EN
);
1615 data
= btread(BT848_GPIO_DATA
);
1616 printk(KERN_DEBUG
"bttv%d: gpio: en=%08x, out=%08x in=%08x [%s]\n",
1617 btv
->c
.nr
,outbits
,data
& outbits
, data
& ~outbits
, comment
);
1620 static void bttv_field_count(struct bttv
*btv
)
1628 /* start field counter */
1629 btor(BT848_INT_VSYNC
,BT848_INT_MASK
);
1631 /* stop field counter */
1632 btand(~BT848_INT_VSYNC
,BT848_INT_MASK
);
1633 btv
->field_count
= 0;
1637 static const struct bttv_format
*
1638 format_by_fourcc(int fourcc
)
1642 for (i
= 0; i
< FORMATS
; i
++) {
1643 if (-1 == formats
[i
].fourcc
)
1645 if (formats
[i
].fourcc
== fourcc
)
1651 /* ----------------------------------------------------------------------- */
1655 bttv_switch_overlay(struct bttv
*btv
, struct bttv_fh
*fh
,
1656 struct bttv_buffer
*new)
1658 struct bttv_buffer
*old
;
1659 unsigned long flags
;
1662 dprintk("switch_overlay: enter [new=%p]\n",new);
1664 new->vb
.state
= VIDEOBUF_DONE
;
1665 spin_lock_irqsave(&btv
->s_lock
,flags
);
1669 bttv_set_dma(btv
, 0x03);
1670 spin_unlock_irqrestore(&btv
->s_lock
,flags
);
1672 dprintk("switch_overlay: old=%p state is %d\n",old
,old
->vb
.state
);
1673 bttv_dma_free(&fh
->cap
,btv
, old
);
1677 free_btres(btv
,fh
,RESOURCE_OVERLAY
);
1678 dprintk("switch_overlay: done\n");
1682 /* ----------------------------------------------------------------------- */
1683 /* video4linux (1) interface */
1685 static int bttv_prepare_buffer(struct videobuf_queue
*q
,struct bttv
*btv
,
1686 struct bttv_buffer
*buf
,
1687 const struct bttv_format
*fmt
,
1688 unsigned int width
, unsigned int height
,
1689 enum v4l2_field field
)
1691 struct bttv_fh
*fh
= q
->priv_data
;
1692 int redo_dma_risc
= 0;
1697 /* check settings */
1700 if (fmt
->btformat
== BT848_COLOR_FMT_RAW
) {
1702 height
= RAW_LINES
*2;
1703 if (width
*height
> buf
->vb
.bsize
)
1705 buf
->vb
.size
= buf
->vb
.bsize
;
1707 /* Make sure tvnorm and vbi_end remain consistent
1708 until we're done. */
1709 mutex_lock(&btv
->lock
);
1713 /* In this mode capturing always starts at defrect.top
1714 (default VDELAY), ignoring cropping parameters. */
1715 if (btv
->vbi_end
> bttv_tvnorms
[norm
].cropcap
.defrect
.top
) {
1716 mutex_unlock(&btv
->lock
);
1720 mutex_unlock(&btv
->lock
);
1722 c
.rect
= bttv_tvnorms
[norm
].cropcap
.defrect
;
1724 mutex_lock(&btv
->lock
);
1727 c
= btv
->crop
[!!fh
->do_crop
];
1729 mutex_unlock(&btv
->lock
);
1731 if (width
< c
.min_scaled_width
||
1732 width
> c
.max_scaled_width
||
1733 height
< c
.min_scaled_height
)
1737 case V4L2_FIELD_TOP
:
1738 case V4L2_FIELD_BOTTOM
:
1739 case V4L2_FIELD_ALTERNATE
:
1740 /* btv->crop counts frame lines. Max. scale
1741 factor is 16:1 for frames, 8:1 for fields. */
1742 if (height
* 2 > c
.max_scaled_height
)
1747 if (height
> c
.max_scaled_height
)
1752 buf
->vb
.size
= (width
* height
* fmt
->depth
) >> 3;
1753 if (0 != buf
->vb
.baddr
&& buf
->vb
.bsize
< buf
->vb
.size
)
1757 /* alloc + fill struct bttv_buffer (if changed) */
1758 if (buf
->vb
.width
!= width
|| buf
->vb
.height
!= height
||
1759 buf
->vb
.field
!= field
||
1760 buf
->tvnorm
!= norm
|| buf
->fmt
!= fmt
||
1761 buf
->crop
.top
!= c
.rect
.top
||
1762 buf
->crop
.left
!= c
.rect
.left
||
1763 buf
->crop
.width
!= c
.rect
.width
||
1764 buf
->crop
.height
!= c
.rect
.height
) {
1765 buf
->vb
.width
= width
;
1766 buf
->vb
.height
= height
;
1767 buf
->vb
.field
= field
;
1774 /* alloc risc memory */
1775 if (VIDEOBUF_NEEDS_INIT
== buf
->vb
.state
) {
1777 if (0 != (rc
= videobuf_iolock(q
,&buf
->vb
,&btv
->fbuf
)))
1782 if (0 != (rc
= bttv_buffer_risc(btv
,buf
)))
1785 buf
->vb
.state
= VIDEOBUF_PREPARED
;
1789 bttv_dma_free(q
,btv
,buf
);
1794 buffer_setup(struct videobuf_queue
*q
, unsigned int *count
, unsigned int *size
)
1796 struct bttv_fh
*fh
= q
->priv_data
;
1798 *size
= fh
->fmt
->depth
*fh
->width
*fh
->height
>> 3;
1801 while (*size
* *count
> gbuffers
* gbufsize
)
1807 buffer_prepare(struct videobuf_queue
*q
, struct videobuf_buffer
*vb
,
1808 enum v4l2_field field
)
1810 struct bttv_buffer
*buf
= container_of(vb
,struct bttv_buffer
,vb
);
1811 struct bttv_fh
*fh
= q
->priv_data
;
1813 return bttv_prepare_buffer(q
,fh
->btv
, buf
, fh
->fmt
,
1814 fh
->width
, fh
->height
, field
);
1818 buffer_queue(struct videobuf_queue
*q
, struct videobuf_buffer
*vb
)
1820 struct bttv_buffer
*buf
= container_of(vb
,struct bttv_buffer
,vb
);
1821 struct bttv_fh
*fh
= q
->priv_data
;
1822 struct bttv
*btv
= fh
->btv
;
1824 buf
->vb
.state
= VIDEOBUF_QUEUED
;
1825 list_add_tail(&buf
->vb
.queue
,&btv
->capture
);
1826 if (!btv
->curr
.frame_irq
) {
1828 bttv_set_dma(btv
, 0x03);
1832 static void buffer_release(struct videobuf_queue
*q
, struct videobuf_buffer
*vb
)
1834 struct bttv_buffer
*buf
= container_of(vb
,struct bttv_buffer
,vb
);
1835 struct bttv_fh
*fh
= q
->priv_data
;
1837 bttv_dma_free(q
,fh
->btv
,buf
);
1840 static struct videobuf_queue_ops bttv_video_qops
= {
1841 .buf_setup
= buffer_setup
,
1842 .buf_prepare
= buffer_prepare
,
1843 .buf_queue
= buffer_queue
,
1844 .buf_release
= buffer_release
,
1847 static int bttv_s_std(struct file
*file
, void *priv
, v4l2_std_id
*id
)
1849 struct bttv_fh
*fh
= priv
;
1850 struct bttv
*btv
= fh
->btv
;
1854 err
= v4l2_prio_check(&btv
->prio
, &fh
->prio
);
1858 for (i
= 0; i
< BTTV_TVNORMS
; i
++)
1859 if (*id
& bttv_tvnorms
[i
].v4l2_id
)
1861 if (i
== BTTV_TVNORMS
)
1864 mutex_lock(&btv
->lock
);
1866 mutex_unlock(&btv
->lock
);
1871 static int bttv_querystd(struct file
*file
, void *f
, v4l2_std_id
*id
)
1873 struct bttv_fh
*fh
= f
;
1874 struct bttv
*btv
= fh
->btv
;
1876 if (btread(BT848_DSTATUS
) & BT848_DSTATUS_NUML
)
1877 *id
= V4L2_STD_625_50
;
1879 *id
= V4L2_STD_525_60
;
1883 static int bttv_enum_input(struct file
*file
, void *priv
,
1884 struct v4l2_input
*i
)
1886 struct bttv_fh
*fh
= priv
;
1887 struct bttv
*btv
= fh
->btv
;
1892 if (n
>= bttv_tvcards
[btv
->c
.type
].video_inputs
)
1895 memset(i
, 0, sizeof(*i
));
1898 i
->type
= V4L2_INPUT_TYPE_CAMERA
;
1901 if (i
->index
== bttv_tvcards
[btv
->c
.type
].tuner
) {
1902 sprintf(i
->name
, "Television");
1903 i
->type
= V4L2_INPUT_TYPE_TUNER
;
1905 } else if (i
->index
== btv
->svhs
) {
1906 sprintf(i
->name
, "S-Video");
1908 sprintf(i
->name
, "Composite%d", i
->index
);
1911 if (i
->index
== btv
->input
) {
1912 __u32 dstatus
= btread(BT848_DSTATUS
);
1913 if (0 == (dstatus
& BT848_DSTATUS_PRES
))
1914 i
->status
|= V4L2_IN_ST_NO_SIGNAL
;
1915 if (0 == (dstatus
& BT848_DSTATUS_HLOC
))
1916 i
->status
|= V4L2_IN_ST_NO_H_LOCK
;
1919 for (n
= 0; n
< BTTV_TVNORMS
; n
++)
1920 i
->std
|= bttv_tvnorms
[n
].v4l2_id
;
1925 static int bttv_g_input(struct file
*file
, void *priv
, unsigned int *i
)
1927 struct bttv_fh
*fh
= priv
;
1928 struct bttv
*btv
= fh
->btv
;
1934 static int bttv_s_input(struct file
*file
, void *priv
, unsigned int i
)
1936 struct bttv_fh
*fh
= priv
;
1937 struct bttv
*btv
= fh
->btv
;
1941 err
= v4l2_prio_check(&btv
->prio
, &fh
->prio
);
1945 if (i
> bttv_tvcards
[btv
->c
.type
].video_inputs
)
1948 mutex_lock(&btv
->lock
);
1949 set_input(btv
, i
, btv
->tvnorm
);
1950 mutex_unlock(&btv
->lock
);
1954 static int bttv_s_tuner(struct file
*file
, void *priv
,
1955 struct v4l2_tuner
*t
)
1957 struct bttv_fh
*fh
= priv
;
1958 struct bttv
*btv
= fh
->btv
;
1961 err
= v4l2_prio_check(&btv
->prio
, &fh
->prio
);
1965 if (UNSET
== bttv_tvcards
[btv
->c
.type
].tuner
)
1971 mutex_lock(&btv
->lock
);
1972 bttv_call_i2c_clients(btv
, VIDIOC_S_TUNER
, t
);
1974 if (btv
->audio_mode_gpio
)
1975 btv
->audio_mode_gpio(btv
, t
, 1);
1977 mutex_unlock(&btv
->lock
);
1982 static int bttv_g_frequency(struct file
*file
, void *priv
,
1983 struct v4l2_frequency
*f
)
1985 struct bttv_fh
*fh
= priv
;
1986 struct bttv
*btv
= fh
->btv
;
1989 err
= v4l2_prio_check(&btv
->prio
, &fh
->prio
);
1993 f
->type
= V4L2_TUNER_ANALOG_TV
;
1994 f
->frequency
= btv
->freq
;
1999 static int bttv_s_frequency(struct file
*file
, void *priv
,
2000 struct v4l2_frequency
*f
)
2002 struct bttv_fh
*fh
= priv
;
2003 struct bttv
*btv
= fh
->btv
;
2006 err
= v4l2_prio_check(&btv
->prio
, &fh
->prio
);
2010 if (unlikely(f
->tuner
!= 0))
2012 if (unlikely(f
->type
!= V4L2_TUNER_ANALOG_TV
))
2014 mutex_lock(&btv
->lock
);
2015 btv
->freq
= f
->frequency
;
2016 bttv_call_i2c_clients(btv
, VIDIOC_S_FREQUENCY
, f
);
2017 if (btv
->has_matchbox
&& btv
->radio_user
)
2018 tea5757_set_freq(btv
, btv
->freq
);
2019 mutex_unlock(&btv
->lock
);
2023 static int bttv_log_status(struct file
*file
, void *f
)
2025 struct bttv_fh
*fh
= f
;
2026 struct bttv
*btv
= fh
->btv
;
2028 printk(KERN_INFO
"bttv%d: ======== START STATUS CARD #%d ========\n",
2029 btv
->c
.nr
, btv
->c
.nr
);
2030 bttv_call_i2c_clients(btv
, VIDIOC_LOG_STATUS
, NULL
);
2031 printk(KERN_INFO
"bttv%d: ======== END STATUS CARD #%d ========\n",
2032 btv
->c
.nr
, btv
->c
.nr
);
2036 #ifdef CONFIG_VIDEO_ADV_DEBUG
2037 static int bttv_g_register(struct file
*file
, void *f
,
2038 struct v4l2_register
*reg
)
2040 struct bttv_fh
*fh
= f
;
2041 struct bttv
*btv
= fh
->btv
;
2043 if (!capable(CAP_SYS_ADMIN
))
2046 if (!v4l2_chip_match_host(reg
->match_type
, reg
->match_chip
))
2049 /* bt848 has a 12-bit register space */
2051 reg
->val
= btread(reg
->reg
);
2056 static int bttv_s_register(struct file
*file
, void *f
,
2057 struct v4l2_register
*reg
)
2059 struct bttv_fh
*fh
= f
;
2060 struct bttv
*btv
= fh
->btv
;
2062 if (!capable(CAP_SYS_ADMIN
))
2065 if (!v4l2_chip_match_host(reg
->match_type
, reg
->match_chip
))
2068 /* bt848 has a 12-bit register space */
2070 btwrite(reg
->val
, reg
->reg
);
2076 /* Given cropping boundaries b and the scaled width and height of a
2077 single field or frame, which must not exceed hardware limits, this
2078 function adjusts the cropping parameters c. */
2080 bttv_crop_adjust (struct bttv_crop
* c
,
2081 const struct v4l2_rect
* b
,
2084 enum v4l2_field field
)
2086 __s32 frame_height
= height
<< !V4L2_FIELD_HAS_BOTH(field
);
2090 if (width
< c
->min_scaled_width
) {
2091 /* Max. hor. scale factor 16:1. */
2092 c
->rect
.width
= width
* 16;
2093 } else if (width
> c
->max_scaled_width
) {
2094 /* Min. hor. scale factor 1:1. */
2095 c
->rect
.width
= width
;
2097 max_left
= b
->left
+ b
->width
- width
;
2098 max_left
= min(max_left
, (__s32
) MAX_HDELAY
);
2099 if (c
->rect
.left
> max_left
)
2100 c
->rect
.left
= max_left
;
2103 if (height
< c
->min_scaled_height
) {
2104 /* Max. vert. scale factor 16:1, single fields 8:1. */
2105 c
->rect
.height
= height
* 16;
2106 } else if (frame_height
> c
->max_scaled_height
) {
2107 /* Min. vert. scale factor 1:1.
2108 Top and height count field lines times two. */
2109 c
->rect
.height
= (frame_height
+ 1) & ~1;
2111 max_top
= b
->top
+ b
->height
- c
->rect
.height
;
2112 if (c
->rect
.top
> max_top
)
2113 c
->rect
.top
= max_top
;
2116 bttv_crop_calc_limits(c
);
2119 /* Returns an error if scaling to a frame or single field with the given
2120 width and height is not possible with the current cropping parameters
2121 and width aligned according to width_mask. If adjust_size is TRUE the
2122 function may adjust the width and/or height instead, rounding width
2123 to (width + width_bias) & width_mask. If adjust_crop is TRUE it may
2124 also adjust the current cropping parameters to get closer to the
2125 desired image size. */
2127 limit_scaled_size (struct bttv_fh
* fh
,
2130 enum v4l2_field field
,
2131 unsigned int width_mask
,
2132 unsigned int width_bias
,
2136 struct bttv
*btv
= fh
->btv
;
2137 const struct v4l2_rect
*b
;
2138 struct bttv_crop
*c
;
2145 BUG_ON((int) width_mask
>= 0 ||
2146 width_bias
>= (unsigned int) -width_mask
);
2148 /* Make sure tvnorm, vbi_end and the current cropping parameters
2149 remain consistent until we're done. */
2150 mutex_lock(&btv
->lock
);
2152 b
= &bttv_tvnorms
[btv
->tvnorm
].cropcap
.bounds
;
2154 /* Do crop - use current, don't - use default parameters. */
2155 c
= &btv
->crop
[!!fh
->do_crop
];
2160 && !locked_btres(btv
, VIDEO_RESOURCES
)) {
2164 /* We cannot scale up. When the scaled image is larger
2165 than crop.rect we adjust the crop.rect as required
2166 by the V4L2 spec, hence cropcap.bounds are our limit. */
2167 max_width
= min(b
->width
, (__s32
) MAX_HACTIVE
);
2168 max_height
= b
->height
;
2170 /* We cannot capture the same line as video and VBI data.
2171 Note btv->vbi_end is really a minimum, see
2172 bttv_vbi_try_fmt(). */
2173 if (btv
->vbi_end
> b
->top
) {
2174 max_height
-= btv
->vbi_end
- b
->top
;
2176 if (min_height
> max_height
)
2181 if (btv
->vbi_end
> c
->rect
.top
)
2184 min_width
= c
->min_scaled_width
;
2185 min_height
= c
->min_scaled_height
;
2186 max_width
= c
->max_scaled_width
;
2187 max_height
= c
->max_scaled_height
;
2192 min_width
= (min_width
- width_mask
- 1) & width_mask
;
2193 max_width
= max_width
& width_mask
;
2195 /* Max. scale factor is 16:1 for frames, 8:1 for fields. */
2196 min_height
= min_height
;
2197 /* Min. scale factor is 1:1. */
2198 max_height
>>= !V4L2_FIELD_HAS_BOTH(field
);
2201 *width
= clamp(*width
, min_width
, max_width
);
2202 *height
= clamp(*height
, min_height
, max_height
);
2204 /* Round after clamping to avoid overflow. */
2205 *width
= (*width
+ width_bias
) & width_mask
;
2208 bttv_crop_adjust(c
, b
, *width
, *height
, field
);
2210 if (btv
->vbi_end
> c
->rect
.top
) {
2211 /* Move the crop window out of the way. */
2212 c
->rect
.top
= btv
->vbi_end
;
2217 if (*width
< min_width
||
2218 *height
< min_height
||
2219 *width
> max_width
||
2220 *height
> max_height
||
2221 0 != (*width
& ~width_mask
))
2225 rc
= 0; /* success */
2228 mutex_unlock(&btv
->lock
);
2233 /* Returns an error if the given overlay window dimensions are not
2234 possible with the current cropping parameters. If adjust_size is
2235 TRUE the function may adjust the window width and/or height
2236 instead, however it always rounds the horizontal position and
2237 width as btcx_align() does. If adjust_crop is TRUE the function
2238 may also adjust the current cropping parameters to get closer
2239 to the desired window size. */
2241 verify_window (struct bttv_fh
* fh
,
2242 struct v4l2_window
* win
,
2246 enum v4l2_field field
;
2247 unsigned int width_mask
;
2250 if (win
->w
.width
< 48 || win
->w
.height
< 32)
2252 if (win
->clipcount
> 2048)
2257 if (V4L2_FIELD_ANY
== field
) {
2260 height2
= fh
->btv
->crop
[!!fh
->do_crop
].rect
.height
>> 1;
2261 field
= (win
->w
.height
> height2
)
2262 ? V4L2_FIELD_INTERLACED
2266 case V4L2_FIELD_TOP
:
2267 case V4L2_FIELD_BOTTOM
:
2268 case V4L2_FIELD_INTERLACED
:
2274 /* 4-byte alignment. */
2275 if (NULL
== fh
->ovfmt
)
2278 switch (fh
->ovfmt
->depth
) {
2292 win
->w
.width
-= win
->w
.left
& ~width_mask
;
2293 win
->w
.left
= (win
->w
.left
- width_mask
- 1) & width_mask
;
2295 rc
= limit_scaled_size(fh
, &win
->w
.width
, &win
->w
.height
,
2297 /* width_bias: round down */ 0,
2298 adjust_size
, adjust_crop
);
2306 static int setup_window(struct bttv_fh
*fh
, struct bttv
*btv
,
2307 struct v4l2_window
*win
, int fixup
)
2309 struct v4l2_clip
*clips
= NULL
;
2310 int n
,size
,retval
= 0;
2312 if (NULL
== fh
->ovfmt
)
2314 if (!(fh
->ovfmt
->flags
& FORMAT_FLAGS_PACKED
))
2316 retval
= verify_window(fh
, win
,
2317 /* adjust_size */ fixup
,
2318 /* adjust_crop */ fixup
);
2322 /* copy clips -- luckily v4l1 + v4l2 are binary
2323 compatible here ...*/
2325 size
= sizeof(*clips
)*(n
+4);
2326 clips
= kmalloc(size
,GFP_KERNEL
);
2330 if (copy_from_user(clips
,win
->clips
,sizeof(struct v4l2_clip
)*n
)) {
2335 /* clip against screen */
2336 if (NULL
!= btv
->fbuf
.base
)
2337 n
= btcx_screen_clips(btv
->fbuf
.fmt
.width
, btv
->fbuf
.fmt
.height
,
2339 btcx_sort_clips(clips
,n
);
2341 /* 4-byte alignments */
2342 switch (fh
->ovfmt
->depth
) {
2345 btcx_align(&win
->w
, clips
, n
, 3);
2348 btcx_align(&win
->w
, clips
, n
, 1);
2351 /* no alignment fixups needed */
2357 mutex_lock(&fh
->cap
.lock
);
2358 kfree(fh
->ov
.clips
);
2359 fh
->ov
.clips
= clips
;
2363 fh
->ov
.field
= win
->field
;
2364 fh
->ov
.setup_ok
= 1;
2365 btv
->init
.ov
.w
.width
= win
->w
.width
;
2366 btv
->init
.ov
.w
.height
= win
->w
.height
;
2367 btv
->init
.ov
.field
= win
->field
;
2369 /* update overlay if needed */
2371 if (check_btres(fh
, RESOURCE_OVERLAY
)) {
2372 struct bttv_buffer
*new;
2374 new = videobuf_pci_alloc(sizeof(*new));
2375 new->crop
= btv
->crop
[!!fh
->do_crop
].rect
;
2376 bttv_overlay_risc(btv
, &fh
->ov
, fh
->ovfmt
, new);
2377 retval
= bttv_switch_overlay(btv
,fh
,new);
2379 mutex_unlock(&fh
->cap
.lock
);
2383 /* ----------------------------------------------------------------------- */
2385 static struct videobuf_queue
* bttv_queue(struct bttv_fh
*fh
)
2387 struct videobuf_queue
* q
= NULL
;
2390 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
2393 case V4L2_BUF_TYPE_VBI_CAPTURE
:
2402 static int bttv_resource(struct bttv_fh
*fh
)
2407 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
2408 res
= RESOURCE_VIDEO_STREAM
;
2410 case V4L2_BUF_TYPE_VBI_CAPTURE
:
2419 static int bttv_switch_type(struct bttv_fh
*fh
, enum v4l2_buf_type type
)
2421 struct videobuf_queue
*q
= bttv_queue(fh
);
2422 int res
= bttv_resource(fh
);
2424 if (check_btres(fh
,res
))
2426 if (videobuf_queue_is_busy(q
))
2433 pix_format_set_size (struct v4l2_pix_format
* f
,
2434 const struct bttv_format
* fmt
,
2436 unsigned int height
)
2441 if (fmt
->flags
& FORMAT_FLAGS_PLANAR
) {
2442 f
->bytesperline
= width
; /* Y plane */
2443 f
->sizeimage
= (width
* height
* fmt
->depth
) >> 3;
2445 f
->bytesperline
= (width
* fmt
->depth
) >> 3;
2446 f
->sizeimage
= height
* f
->bytesperline
;
2450 static int bttv_g_fmt_cap(struct file
*file
, void *priv
,
2451 struct v4l2_format
*f
)
2453 struct bttv_fh
*fh
= priv
;
2455 pix_format_set_size(&f
->fmt
.pix
, fh
->fmt
,
2456 fh
->width
, fh
->height
);
2457 f
->fmt
.pix
.field
= fh
->cap
.field
;
2458 f
->fmt
.pix
.pixelformat
= fh
->fmt
->fourcc
;
2463 static int bttv_g_fmt_overlay(struct file
*file
, void *priv
,
2464 struct v4l2_format
*f
)
2466 struct bttv_fh
*fh
= priv
;
2468 f
->fmt
.win
.w
= fh
->ov
.w
;
2469 f
->fmt
.win
.field
= fh
->ov
.field
;
2474 static int bttv_try_fmt_cap(struct file
*file
, void *priv
,
2475 struct v4l2_format
*f
)
2477 const struct bttv_format
*fmt
;
2478 struct bttv_fh
*fh
= priv
;
2479 struct bttv
*btv
= fh
->btv
;
2480 enum v4l2_field field
;
2481 __s32 width
, height
;
2484 fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
2488 field
= f
->fmt
.pix
.field
;
2490 if (V4L2_FIELD_ANY
== field
) {
2493 height2
= btv
->crop
[!!fh
->do_crop
].rect
.height
>> 1;
2494 field
= (f
->fmt
.pix
.height
> height2
)
2495 ? V4L2_FIELD_INTERLACED
2496 : V4L2_FIELD_BOTTOM
;
2499 if (V4L2_FIELD_SEQ_BT
== field
)
2500 field
= V4L2_FIELD_SEQ_TB
;
2503 case V4L2_FIELD_TOP
:
2504 case V4L2_FIELD_BOTTOM
:
2505 case V4L2_FIELD_ALTERNATE
:
2506 case V4L2_FIELD_INTERLACED
:
2508 case V4L2_FIELD_SEQ_TB
:
2509 if (fmt
->flags
& FORMAT_FLAGS_PLANAR
)
2516 width
= f
->fmt
.pix
.width
;
2517 height
= f
->fmt
.pix
.height
;
2519 rc
= limit_scaled_size(fh
, &width
, &height
, field
,
2520 /* width_mask: 4 pixels */ ~3,
2521 /* width_bias: nearest */ 2,
2522 /* adjust_size */ 1,
2523 /* adjust_crop */ 0);
2527 /* update data for the application */
2528 f
->fmt
.pix
.field
= field
;
2529 pix_format_set_size(&f
->fmt
.pix
, fmt
, width
, height
);
2534 static int bttv_try_fmt_overlay(struct file
*file
, void *priv
,
2535 struct v4l2_format
*f
)
2537 struct bttv_fh
*fh
= priv
;
2539 return verify_window(fh
, &f
->fmt
.win
,
2540 /* adjust_size */ 1,
2541 /* adjust_crop */ 0);
2544 static int bttv_s_fmt_cap(struct file
*file
, void *priv
,
2545 struct v4l2_format
*f
)
2548 const struct bttv_format
*fmt
;
2549 struct bttv_fh
*fh
= priv
;
2550 struct bttv
*btv
= fh
->btv
;
2551 __s32 width
, height
;
2552 enum v4l2_field field
;
2554 retval
= bttv_switch_type(fh
, f
->type
);
2558 retval
= bttv_try_fmt_cap(file
, priv
, f
);
2562 width
= f
->fmt
.pix
.width
;
2563 height
= f
->fmt
.pix
.height
;
2564 field
= f
->fmt
.pix
.field
;
2566 retval
= limit_scaled_size(fh
, &width
, &height
, f
->fmt
.pix
.field
,
2567 /* width_mask: 4 pixels */ ~3,
2568 /* width_bias: nearest */ 2,
2569 /* adjust_size */ 1,
2570 /* adjust_crop */ 1);
2574 f
->fmt
.pix
.field
= field
;
2576 fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
2578 /* update our state informations */
2579 mutex_lock(&fh
->cap
.lock
);
2581 fh
->cap
.field
= f
->fmt
.pix
.field
;
2582 fh
->cap
.last
= V4L2_FIELD_NONE
;
2583 fh
->width
= f
->fmt
.pix
.width
;
2584 fh
->height
= f
->fmt
.pix
.height
;
2585 btv
->init
.fmt
= fmt
;
2586 btv
->init
.width
= f
->fmt
.pix
.width
;
2587 btv
->init
.height
= f
->fmt
.pix
.height
;
2588 mutex_unlock(&fh
->cap
.lock
);
2593 static int bttv_s_fmt_overlay(struct file
*file
, void *priv
,
2594 struct v4l2_format
*f
)
2596 struct bttv_fh
*fh
= priv
;
2597 struct bttv
*btv
= fh
->btv
;
2599 if (no_overlay
> 0) {
2600 printk(KERN_ERR
"V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2604 return setup_window(fh
, btv
, &f
->fmt
.win
, 1);
2607 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2608 static int vidiocgmbuf(struct file
*file
, void *priv
, struct video_mbuf
*mbuf
)
2612 struct bttv_fh
*fh
= priv
;
2614 mutex_lock(&fh
->cap
.lock
);
2615 retval
= videobuf_mmap_setup(&fh
->cap
, gbuffers
, gbufsize
,
2618 mutex_unlock(&fh
->cap
.lock
);
2623 memset(mbuf
, 0, sizeof(*mbuf
));
2624 mbuf
->frames
= gbuffers
;
2625 mbuf
->size
= gbuffers
* gbufsize
;
2627 for (i
= 0; i
< gbuffers
; i
++)
2628 mbuf
->offsets
[i
] = i
* gbufsize
;
2630 mutex_unlock(&fh
->cap
.lock
);
2635 static int bttv_querycap(struct file
*file
, void *priv
,
2636 struct v4l2_capability
*cap
)
2638 struct bttv_fh
*fh
= priv
;
2639 struct bttv
*btv
= fh
->btv
;
2644 strlcpy(cap
->driver
, "bttv", sizeof(cap
->driver
));
2645 strlcpy(cap
->card
, btv
->video_dev
->name
, sizeof(cap
->card
));
2646 snprintf(cap
->bus_info
, sizeof(cap
->bus_info
),
2647 "PCI:%s", pci_name(btv
->c
.pci
));
2648 cap
->version
= BTTV_VERSION_CODE
;
2650 V4L2_CAP_VIDEO_CAPTURE
|
2651 V4L2_CAP_VBI_CAPTURE
|
2652 V4L2_CAP_READWRITE
|
2654 if (no_overlay
<= 0)
2655 cap
->capabilities
|= V4L2_CAP_VIDEO_OVERLAY
;
2657 if (bttv_tvcards
[btv
->c
.type
].tuner
!= UNSET
&&
2658 bttv_tvcards
[btv
->c
.type
].tuner
!= TUNER_ABSENT
)
2659 cap
->capabilities
|= V4L2_CAP_TUNER
;
2663 static int bttv_enum_fmt_vbi(struct file
*file
, void *priv
,
2664 struct v4l2_fmtdesc
*f
)
2669 f
->pixelformat
= V4L2_PIX_FMT_GREY
;
2670 strcpy(f
->description
, "vbi data");
2675 static int bttv_enum_fmt_cap_ovr(struct v4l2_fmtdesc
*f
)
2679 for (i
= 0; i
< FORMATS
; i
++) {
2680 if (formats
[i
].fourcc
!= -1)
2682 if ((unsigned int)index
== f
->index
)
2688 f
->pixelformat
= formats
[i
].fourcc
;
2689 strlcpy(f
->description
, formats
[i
].name
, sizeof(f
->description
));
2694 static int bttv_enum_fmt_cap(struct file
*file
, void *priv
,
2695 struct v4l2_fmtdesc
*f
)
2697 int rc
= bttv_enum_fmt_cap_ovr(f
);
2705 static int bttv_enum_fmt_overlay(struct file
*file
, void *priv
,
2706 struct v4l2_fmtdesc
*f
)
2710 if (no_overlay
> 0) {
2711 printk(KERN_ERR
"V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2715 rc
= bttv_enum_fmt_cap_ovr(f
);
2720 if (!(formats
[rc
].flags
& FORMAT_FLAGS_PACKED
))
2726 static int bttv_g_fbuf(struct file
*file
, void *f
,
2727 struct v4l2_framebuffer
*fb
)
2729 struct bttv_fh
*fh
= f
;
2730 struct bttv
*btv
= fh
->btv
;
2733 fb
->capability
= V4L2_FBUF_CAP_LIST_CLIPPING
;
2735 fb
->fmt
.pixelformat
= fh
->ovfmt
->fourcc
;
2739 static int bttv_overlay(struct file
*file
, void *f
, unsigned int on
)
2741 struct bttv_fh
*fh
= f
;
2742 struct bttv
*btv
= fh
->btv
;
2743 struct bttv_buffer
*new;
2748 if (NULL
== btv
->fbuf
.base
)
2750 if (!fh
->ov
.setup_ok
) {
2751 dprintk("bttv%d: overlay: !setup_ok\n", btv
->c
.nr
);
2756 if (!check_alloc_btres(btv
, fh
, RESOURCE_OVERLAY
))
2759 mutex_lock(&fh
->cap
.lock
);
2761 fh
->ov
.tvnorm
= btv
->tvnorm
;
2762 new = videobuf_pci_alloc(sizeof(*new));
2763 bttv_overlay_risc(btv
, &fh
->ov
, fh
->ovfmt
, new);
2769 retval
= bttv_switch_overlay(btv
, fh
, new);
2770 mutex_unlock(&fh
->cap
.lock
);
2774 static int bttv_s_fbuf(struct file
*file
, void *f
,
2775 struct v4l2_framebuffer
*fb
)
2777 struct bttv_fh
*fh
= f
;
2778 struct bttv
*btv
= fh
->btv
;
2779 const struct bttv_format
*fmt
;
2782 if (!capable(CAP_SYS_ADMIN
) &&
2783 !capable(CAP_SYS_RAWIO
))
2787 fmt
= format_by_fourcc(fb
->fmt
.pixelformat
);
2790 if (0 == (fmt
->flags
& FORMAT_FLAGS_PACKED
))
2794 if (fb
->flags
& V4L2_FBUF_FLAG_OVERLAY
) {
2795 __s32 width
= fb
->fmt
.width
;
2796 __s32 height
= fb
->fmt
.height
;
2798 retval
= limit_scaled_size(fh
, &width
, &height
,
2799 V4L2_FIELD_INTERLACED
,
2800 /* width_mask */ ~3,
2802 /* adjust_size */ 0,
2803 /* adjust_crop */ 0);
2809 mutex_lock(&fh
->cap
.lock
);
2810 btv
->fbuf
.base
= fb
->base
;
2811 btv
->fbuf
.fmt
.width
= fb
->fmt
.width
;
2812 btv
->fbuf
.fmt
.height
= fb
->fmt
.height
;
2813 if (0 != fb
->fmt
.bytesperline
)
2814 btv
->fbuf
.fmt
.bytesperline
= fb
->fmt
.bytesperline
;
2816 btv
->fbuf
.fmt
.bytesperline
= btv
->fbuf
.fmt
.width
*fmt
->depth
/8;
2820 btv
->init
.ovfmt
= fmt
;
2821 if (fb
->flags
& V4L2_FBUF_FLAG_OVERLAY
) {
2824 fh
->ov
.w
.width
= fb
->fmt
.width
;
2825 fh
->ov
.w
.height
= fb
->fmt
.height
;
2826 btv
->init
.ov
.w
.width
= fb
->fmt
.width
;
2827 btv
->init
.ov
.w
.height
= fb
->fmt
.height
;
2828 kfree(fh
->ov
.clips
);
2829 fh
->ov
.clips
= NULL
;
2832 if (check_btres(fh
, RESOURCE_OVERLAY
)) {
2833 struct bttv_buffer
*new;
2835 new = videobuf_pci_alloc(sizeof(*new));
2836 new->crop
= btv
->crop
[!!fh
->do_crop
].rect
;
2837 bttv_overlay_risc(btv
, &fh
->ov
, fh
->ovfmt
, new);
2838 retval
= bttv_switch_overlay(btv
, fh
, new);
2841 mutex_unlock(&fh
->cap
.lock
);
2845 static int bttv_reqbufs(struct file
*file
, void *priv
,
2846 struct v4l2_requestbuffers
*p
)
2848 struct bttv_fh
*fh
= priv
;
2849 return videobuf_reqbufs(bttv_queue(fh
), p
);
2852 static int bttv_querybuf(struct file
*file
, void *priv
,
2853 struct v4l2_buffer
*b
)
2855 struct bttv_fh
*fh
= priv
;
2856 return videobuf_querybuf(bttv_queue(fh
), b
);
2859 static int bttv_qbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*b
)
2861 struct bttv_fh
*fh
= priv
;
2862 struct bttv
*btv
= fh
->btv
;
2863 int res
= bttv_resource(fh
);
2865 if (!check_alloc_btres(btv
, fh
, res
))
2868 return videobuf_qbuf(bttv_queue(fh
), b
);
2871 static int bttv_dqbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*b
)
2873 struct bttv_fh
*fh
= priv
;
2874 return videobuf_dqbuf(bttv_queue(fh
), b
,
2875 file
->f_flags
& O_NONBLOCK
);
2878 static int bttv_streamon(struct file
*file
, void *priv
,
2879 enum v4l2_buf_type type
)
2881 struct bttv_fh
*fh
= priv
;
2882 struct bttv
*btv
= fh
->btv
;
2883 int res
= bttv_resource(fh
);
2885 if (!check_alloc_btres(btv
, fh
, res
))
2887 return videobuf_streamon(bttv_queue(fh
));
2891 static int bttv_streamoff(struct file
*file
, void *priv
,
2892 enum v4l2_buf_type type
)
2894 struct bttv_fh
*fh
= priv
;
2895 struct bttv
*btv
= fh
->btv
;
2897 int res
= bttv_resource(fh
);
2900 retval
= videobuf_streamoff(bttv_queue(fh
));
2903 free_btres(btv
, fh
, res
);
2907 static int bttv_queryctrl(struct file
*file
, void *priv
,
2908 struct v4l2_queryctrl
*c
)
2910 struct bttv_fh
*fh
= priv
;
2911 struct bttv
*btv
= fh
->btv
;
2912 const struct v4l2_queryctrl
*ctrl
;
2914 if ((c
->id
< V4L2_CID_BASE
||
2915 c
->id
>= V4L2_CID_LASTP1
) &&
2916 (c
->id
< V4L2_CID_PRIVATE_BASE
||
2917 c
->id
>= V4L2_CID_PRIVATE_LASTP1
))
2920 if (!btv
->volume_gpio
&& (c
->id
== V4L2_CID_AUDIO_VOLUME
))
2923 ctrl
= ctrl_by_id(c
->id
);
2925 *c
= (NULL
!= ctrl
) ? *ctrl
: no_ctl
;
2931 static int bttv_g_parm(struct file
*file
, void *f
,
2932 struct v4l2_streamparm
*parm
)
2934 struct bttv_fh
*fh
= f
;
2935 struct bttv
*btv
= fh
->btv
;
2936 struct v4l2_standard s
;
2938 if (parm
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
2940 v4l2_video_std_construct(&s
, bttv_tvnorms
[btv
->tvnorm
].v4l2_id
,
2941 bttv_tvnorms
[btv
->tvnorm
].name
);
2942 parm
->parm
.capture
.timeperframe
= s
.frameperiod
;
2946 static int bttv_g_tuner(struct file
*file
, void *priv
,
2947 struct v4l2_tuner
*t
)
2949 struct bttv_fh
*fh
= priv
;
2950 struct bttv
*btv
= fh
->btv
;
2952 if (UNSET
== bttv_tvcards
[btv
->c
.type
].tuner
)
2957 mutex_lock(&btv
->lock
);
2958 memset(t
, 0, sizeof(*t
));
2959 t
->rxsubchans
= V4L2_TUNER_SUB_MONO
;
2960 bttv_call_i2c_clients(btv
, VIDIOC_G_TUNER
, t
);
2961 strcpy(t
->name
, "Television");
2962 t
->capability
= V4L2_TUNER_CAP_NORM
;
2963 t
->type
= V4L2_TUNER_ANALOG_TV
;
2964 if (btread(BT848_DSTATUS
)&BT848_DSTATUS_HLOC
)
2967 if (btv
->audio_mode_gpio
)
2968 btv
->audio_mode_gpio(btv
, t
, 0);
2970 mutex_unlock(&btv
->lock
);
2974 static int bttv_g_priority(struct file
*file
, void *f
, enum v4l2_priority
*p
)
2976 struct bttv_fh
*fh
= f
;
2977 struct bttv
*btv
= fh
->btv
;
2979 *p
= v4l2_prio_max(&btv
->prio
);
2984 static int bttv_s_priority(struct file
*file
, void *f
,
2985 enum v4l2_priority prio
)
2987 struct bttv_fh
*fh
= f
;
2988 struct bttv
*btv
= fh
->btv
;
2990 return v4l2_prio_change(&btv
->prio
, &fh
->prio
, prio
);
2993 static int bttv_cropcap(struct file
*file
, void *priv
,
2994 struct v4l2_cropcap
*cap
)
2996 struct bttv_fh
*fh
= priv
;
2997 struct bttv
*btv
= fh
->btv
;
2999 if (cap
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
&&
3000 cap
->type
!= V4L2_BUF_TYPE_VIDEO_OVERLAY
)
3003 *cap
= bttv_tvnorms
[btv
->tvnorm
].cropcap
;
3008 static int bttv_g_crop(struct file
*file
, void *f
, struct v4l2_crop
*crop
)
3010 struct bttv_fh
*fh
= f
;
3011 struct bttv
*btv
= fh
->btv
;
3013 if (crop
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
&&
3014 crop
->type
!= V4L2_BUF_TYPE_VIDEO_OVERLAY
)
3017 /* No fh->do_crop = 1; because btv->crop[1] may be
3018 inconsistent with fh->width or fh->height and apps
3019 do not expect a change here. */
3021 crop
->c
= btv
->crop
[!!fh
->do_crop
].rect
;
3026 static int bttv_s_crop(struct file
*file
, void *f
, struct v4l2_crop
*crop
)
3028 struct bttv_fh
*fh
= f
;
3029 struct bttv
*btv
= fh
->btv
;
3030 const struct v4l2_rect
*b
;
3038 if (crop
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
&&
3039 crop
->type
!= V4L2_BUF_TYPE_VIDEO_OVERLAY
)
3042 retval
= v4l2_prio_check(&btv
->prio
, &fh
->prio
);
3046 /* Make sure tvnorm, vbi_end and the current cropping
3047 parameters remain consistent until we're done. Note
3048 read() may change vbi_end in check_alloc_btres(). */
3049 mutex_lock(&btv
->lock
);
3053 if (locked_btres(fh
->btv
, VIDEO_RESOURCES
)) {
3054 mutex_unlock(&btv
->lock
);
3058 b
= &bttv_tvnorms
[btv
->tvnorm
].cropcap
.bounds
;
3061 b_right
= b_left
+ b
->width
;
3062 b_bottom
= b
->top
+ b
->height
;
3064 b_top
= max(b
->top
, btv
->vbi_end
);
3065 if (b_top
+ 32 >= b_bottom
) {
3066 mutex_unlock(&btv
->lock
);
3070 /* Min. scaled size 48 x 32. */
3071 c
.rect
.left
= clamp(crop
->c
.left
, b_left
, b_right
- 48);
3072 c
.rect
.left
= min(c
.rect
.left
, (__s32
) MAX_HDELAY
);
3074 c
.rect
.width
= clamp(crop
->c
.width
,
3075 48, b_right
- c
.rect
.left
);
3077 c
.rect
.top
= clamp(crop
->c
.top
, b_top
, b_bottom
- 32);
3078 /* Top and height must be a multiple of two. */
3079 c
.rect
.top
= (c
.rect
.top
+ 1) & ~1;
3081 c
.rect
.height
= clamp(crop
->c
.height
,
3082 32, b_bottom
- c
.rect
.top
);
3083 c
.rect
.height
= (c
.rect
.height
+ 1) & ~1;
3085 bttv_crop_calc_limits(&c
);
3089 mutex_unlock(&btv
->lock
);
3093 mutex_lock(&fh
->cap
.lock
);
3095 if (fh
->width
< c
.min_scaled_width
) {
3096 fh
->width
= c
.min_scaled_width
;
3097 btv
->init
.width
= c
.min_scaled_width
;
3098 } else if (fh
->width
> c
.max_scaled_width
) {
3099 fh
->width
= c
.max_scaled_width
;
3100 btv
->init
.width
= c
.max_scaled_width
;
3103 if (fh
->height
< c
.min_scaled_height
) {
3104 fh
->height
= c
.min_scaled_height
;
3105 btv
->init
.height
= c
.min_scaled_height
;
3106 } else if (fh
->height
> c
.max_scaled_height
) {
3107 fh
->height
= c
.max_scaled_height
;
3108 btv
->init
.height
= c
.max_scaled_height
;
3111 mutex_unlock(&fh
->cap
.lock
);
3116 static int bttv_g_audio(struct file
*file
, void *priv
, struct v4l2_audio
*a
)
3118 strcpy(a
->name
, "audio");
3122 static int bttv_s_audio(struct file
*file
, void *priv
, struct v4l2_audio
*a
)
3127 static ssize_t
bttv_read(struct file
*file
, char __user
*data
,
3128 size_t count
, loff_t
*ppos
)
3130 struct bttv_fh
*fh
= file
->private_data
;
3133 if (fh
->btv
->errors
)
3134 bttv_reinit_bt848(fh
->btv
);
3135 dprintk("bttv%d: read count=%d type=%s\n",
3136 fh
->btv
->c
.nr
,(int)count
,v4l2_type_names
[fh
->type
]);
3139 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
3140 if (!check_alloc_btres(fh
->btv
, fh
, RESOURCE_VIDEO_READ
)) {
3141 /* VIDEO_READ in use by another fh,
3142 or VIDEO_STREAM by any fh. */
3145 retval
= videobuf_read_one(&fh
->cap
, data
, count
, ppos
,
3146 file
->f_flags
& O_NONBLOCK
);
3147 free_btres(fh
->btv
, fh
, RESOURCE_VIDEO_READ
);
3149 case V4L2_BUF_TYPE_VBI_CAPTURE
:
3150 if (!check_alloc_btres(fh
->btv
,fh
,RESOURCE_VBI
))
3152 retval
= videobuf_read_stream(&fh
->vbi
, data
, count
, ppos
, 1,
3153 file
->f_flags
& O_NONBLOCK
);
3161 static unsigned int bttv_poll(struct file
*file
, poll_table
*wait
)
3163 struct bttv_fh
*fh
= file
->private_data
;
3164 struct bttv_buffer
*buf
;
3165 enum v4l2_field field
;
3167 if (V4L2_BUF_TYPE_VBI_CAPTURE
== fh
->type
) {
3168 if (!check_alloc_btres(fh
->btv
,fh
,RESOURCE_VBI
))
3170 return videobuf_poll_stream(file
, &fh
->vbi
, wait
);
3173 if (check_btres(fh
,RESOURCE_VIDEO_STREAM
)) {
3174 /* streaming capture */
3175 if (list_empty(&fh
->cap
.stream
))
3177 buf
= list_entry(fh
->cap
.stream
.next
,struct bttv_buffer
,vb
.stream
);
3179 /* read() capture */
3180 mutex_lock(&fh
->cap
.lock
);
3181 if (NULL
== fh
->cap
.read_buf
) {
3182 /* need to capture a new frame */
3183 if (locked_btres(fh
->btv
,RESOURCE_VIDEO_STREAM
)) {
3184 mutex_unlock(&fh
->cap
.lock
);
3187 fh
->cap
.read_buf
= videobuf_pci_alloc(fh
->cap
.msize
);
3188 if (NULL
== fh
->cap
.read_buf
) {
3189 mutex_unlock(&fh
->cap
.lock
);
3192 fh
->cap
.read_buf
->memory
= V4L2_MEMORY_USERPTR
;
3193 field
= videobuf_next_field(&fh
->cap
);
3194 if (0 != fh
->cap
.ops
->buf_prepare(&fh
->cap
,fh
->cap
.read_buf
,field
)) {
3195 kfree (fh
->cap
.read_buf
);
3196 fh
->cap
.read_buf
= NULL
;
3197 mutex_unlock(&fh
->cap
.lock
);
3200 fh
->cap
.ops
->buf_queue(&fh
->cap
,fh
->cap
.read_buf
);
3201 fh
->cap
.read_off
= 0;
3203 mutex_unlock(&fh
->cap
.lock
);
3204 buf
= (struct bttv_buffer
*)fh
->cap
.read_buf
;
3207 poll_wait(file
, &buf
->vb
.done
, wait
);
3208 if (buf
->vb
.state
== VIDEOBUF_DONE
||
3209 buf
->vb
.state
== VIDEOBUF_ERROR
)
3210 return POLLIN
|POLLRDNORM
;
3214 static int bttv_open(struct inode
*inode
, struct file
*file
)
3216 int minor
= iminor(inode
);
3217 struct bttv
*btv
= NULL
;
3219 enum v4l2_buf_type type
= 0;
3222 dprintk(KERN_DEBUG
"bttv: open minor=%d\n",minor
);
3224 for (i
= 0; i
< bttv_num
; i
++) {
3225 if (bttvs
[i
].video_dev
&&
3226 bttvs
[i
].video_dev
->minor
== minor
) {
3228 type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
3231 if (bttvs
[i
].vbi_dev
&&
3232 bttvs
[i
].vbi_dev
->minor
== minor
) {
3234 type
= V4L2_BUF_TYPE_VBI_CAPTURE
;
3241 dprintk(KERN_DEBUG
"bttv%d: open called (type=%s)\n",
3242 btv
->c
.nr
,v4l2_type_names
[type
]);
3244 /* allocate per filehandle data */
3245 fh
= kmalloc(sizeof(*fh
),GFP_KERNEL
);
3248 file
->private_data
= fh
;
3251 fh
->ov
.setup_ok
= 0;
3252 v4l2_prio_open(&btv
->prio
,&fh
->prio
);
3254 videobuf_queue_pci_init(&fh
->cap
, &bttv_video_qops
,
3255 btv
->c
.pci
, &btv
->s_lock
,
3256 V4L2_BUF_TYPE_VIDEO_CAPTURE
,
3257 V4L2_FIELD_INTERLACED
,
3258 sizeof(struct bttv_buffer
),
3260 videobuf_queue_pci_init(&fh
->vbi
, &bttv_vbi_qops
,
3261 btv
->c
.pci
, &btv
->s_lock
,
3262 V4L2_BUF_TYPE_VBI_CAPTURE
,
3264 sizeof(struct bttv_buffer
),
3266 set_tvnorm(btv
,btv
->tvnorm
);
3270 /* The V4L2 spec requires one global set of cropping parameters
3271 which only change on request. These are stored in btv->crop[1].
3272 However for compatibility with V4L apps and cropping unaware
3273 V4L2 apps we now reset the cropping parameters as seen through
3274 this fh, which is to say VIDIOC_G_CROP and scaling limit checks
3275 will use btv->crop[0], the default cropping parameters for the
3276 current video standard, and VIDIOC_S_FMT will not implicitely
3277 change the cropping parameters until VIDIOC_S_CROP has been
3279 fh
->do_crop
= !reset_crop
; /* module parameter */
3281 /* Likewise there should be one global set of VBI capture
3282 parameters, but for compatibility with V4L apps and earlier
3283 driver versions each fh has its own parameters. */
3284 bttv_vbi_fmt_reset(&fh
->vbi_fmt
, btv
->tvnorm
);
3286 bttv_field_count(btv
);
3290 static int bttv_release(struct inode
*inode
, struct file
*file
)
3292 struct bttv_fh
*fh
= file
->private_data
;
3293 struct bttv
*btv
= fh
->btv
;
3295 /* turn off overlay */
3296 if (check_btres(fh
, RESOURCE_OVERLAY
))
3297 bttv_switch_overlay(btv
,fh
,NULL
);
3299 /* stop video capture */
3300 if (check_btres(fh
, RESOURCE_VIDEO_STREAM
)) {
3301 videobuf_streamoff(&fh
->cap
);
3302 free_btres(btv
,fh
,RESOURCE_VIDEO_STREAM
);
3304 if (fh
->cap
.read_buf
) {
3305 buffer_release(&fh
->cap
,fh
->cap
.read_buf
);
3306 kfree(fh
->cap
.read_buf
);
3308 if (check_btres(fh
, RESOURCE_VIDEO_READ
)) {
3309 free_btres(btv
, fh
, RESOURCE_VIDEO_READ
);
3312 /* stop vbi capture */
3313 if (check_btres(fh
, RESOURCE_VBI
)) {
3314 videobuf_stop(&fh
->vbi
);
3315 free_btres(btv
,fh
,RESOURCE_VBI
);
3319 videobuf_mmap_free(&fh
->cap
);
3320 videobuf_mmap_free(&fh
->vbi
);
3321 v4l2_prio_close(&btv
->prio
,&fh
->prio
);
3322 file
->private_data
= NULL
;
3326 bttv_field_count(btv
);
3331 bttv_mmap(struct file
*file
, struct vm_area_struct
*vma
)
3333 struct bttv_fh
*fh
= file
->private_data
;
3335 dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n",
3336 fh
->btv
->c
.nr
, v4l2_type_names
[fh
->type
],
3337 vma
->vm_start
, vma
->vm_end
- vma
->vm_start
);
3338 return videobuf_mmap_mapper(bttv_queue(fh
),vma
);
3341 static const struct file_operations bttv_fops
=
3343 .owner
= THIS_MODULE
,
3345 .release
= bttv_release
,
3346 .ioctl
= video_ioctl2
,
3347 .compat_ioctl
= v4l_compat_ioctl32
,
3348 .llseek
= no_llseek
,
3354 static struct video_device bttv_video_template
=
3358 .vidioc_querycap
= bttv_querycap
,
3359 .vidioc_enum_fmt_cap
= bttv_enum_fmt_cap
,
3360 .vidioc_g_fmt_cap
= bttv_g_fmt_cap
,
3361 .vidioc_try_fmt_cap
= bttv_try_fmt_cap
,
3362 .vidioc_s_fmt_cap
= bttv_s_fmt_cap
,
3363 .vidioc_enum_fmt_overlay
= bttv_enum_fmt_overlay
,
3364 .vidioc_g_fmt_overlay
= bttv_g_fmt_overlay
,
3365 .vidioc_try_fmt_overlay
= bttv_try_fmt_overlay
,
3366 .vidioc_s_fmt_overlay
= bttv_s_fmt_overlay
,
3367 .vidioc_enum_fmt_vbi
= bttv_enum_fmt_vbi
,
3368 .vidioc_g_fmt_vbi
= bttv_g_fmt_vbi
,
3369 .vidioc_try_fmt_vbi
= bttv_try_fmt_vbi
,
3370 .vidioc_s_fmt_vbi
= bttv_s_fmt_vbi
,
3371 .vidioc_g_audio
= bttv_g_audio
,
3372 .vidioc_s_audio
= bttv_s_audio
,
3373 .vidioc_cropcap
= bttv_cropcap
,
3374 .vidioc_reqbufs
= bttv_reqbufs
,
3375 .vidioc_querybuf
= bttv_querybuf
,
3376 .vidioc_qbuf
= bttv_qbuf
,
3377 .vidioc_dqbuf
= bttv_dqbuf
,
3378 .vidioc_s_std
= bttv_s_std
,
3379 .vidioc_enum_input
= bttv_enum_input
,
3380 .vidioc_g_input
= bttv_g_input
,
3381 .vidioc_s_input
= bttv_s_input
,
3382 .vidioc_queryctrl
= bttv_queryctrl
,
3383 .vidioc_g_ctrl
= bttv_g_ctrl
,
3384 .vidioc_s_ctrl
= bttv_s_ctrl
,
3385 .vidioc_streamon
= bttv_streamon
,
3386 .vidioc_streamoff
= bttv_streamoff
,
3387 .vidioc_g_tuner
= bttv_g_tuner
,
3388 .vidioc_s_tuner
= bttv_s_tuner
,
3389 #ifdef CONFIG_VIDEO_V4L1_COMPAT
3390 .vidiocgmbuf
= vidiocgmbuf
,
3392 .vidioc_g_crop
= bttv_g_crop
,
3393 .vidioc_g_crop
= bttv_g_crop
,
3394 .vidioc_s_crop
= bttv_s_crop
,
3395 .vidioc_g_fbuf
= bttv_g_fbuf
,
3396 .vidioc_s_fbuf
= bttv_s_fbuf
,
3397 .vidioc_overlay
= bttv_overlay
,
3398 .vidioc_g_priority
= bttv_g_priority
,
3399 .vidioc_s_priority
= bttv_s_priority
,
3400 .vidioc_g_parm
= bttv_g_parm
,
3401 .vidioc_g_frequency
= bttv_g_frequency
,
3402 .vidioc_s_frequency
= bttv_s_frequency
,
3403 .vidioc_log_status
= bttv_log_status
,
3404 .vidioc_querystd
= bttv_querystd
,
3405 #ifdef CONFIG_VIDEO_ADV_DEBUG
3406 .vidioc_g_register
= bttv_g_register
,
3407 .vidioc_s_register
= bttv_s_register
,
3409 .tvnorms
= BTTV_NORMS
,
3410 .current_norm
= V4L2_STD_PAL
,
3413 /* ----------------------------------------------------------------------- */
3414 /* radio interface */
3416 static int radio_open(struct inode
*inode
, struct file
*file
)
3418 int minor
= iminor(inode
);
3419 struct bttv
*btv
= NULL
;
3422 dprintk("bttv: open minor=%d\n",minor
);
3424 for (i
= 0; i
< bttv_num
; i
++) {
3425 if (bttvs
[i
].radio_dev
->minor
== minor
) {
3433 dprintk("bttv%d: open called (radio)\n",btv
->c
.nr
);
3434 mutex_lock(&btv
->lock
);
3438 file
->private_data
= btv
;
3440 bttv_call_i2c_clients(btv
,AUDC_SET_RADIO
,NULL
);
3441 audio_input(btv
,TVAUDIO_INPUT_RADIO
);
3443 mutex_unlock(&btv
->lock
);
3447 static int radio_release(struct inode
*inode
, struct file
*file
)
3449 struct bttv
*btv
= file
->private_data
;
3450 struct rds_command cmd
;
3454 bttv_call_i2c_clients(btv
, RDS_CMD_CLOSE
, &cmd
);
3459 static int radio_querycap(struct file
*file
, void *priv
,
3460 struct v4l2_capability
*cap
)
3462 struct bttv_fh
*fh
= priv
;
3463 struct bttv
*btv
= fh
->btv
;
3465 strcpy(cap
->driver
, "bttv");
3466 strlcpy(cap
->card
, btv
->radio_dev
->name
, sizeof(cap
->card
));
3467 sprintf(cap
->bus_info
, "PCI:%s", pci_name(btv
->c
.pci
));
3468 cap
->version
= BTTV_VERSION_CODE
;
3469 cap
->capabilities
= V4L2_CAP_TUNER
;
3474 static int radio_g_tuner(struct file
*file
, void *priv
, struct v4l2_tuner
*t
)
3476 struct bttv_fh
*fh
= priv
;
3477 struct bttv
*btv
= fh
->btv
;
3479 if (UNSET
== bttv_tvcards
[btv
->c
.type
].tuner
)
3483 mutex_lock(&btv
->lock
);
3484 memset(t
, 0, sizeof(*t
));
3485 strcpy(t
->name
, "Radio");
3486 t
->type
= V4L2_TUNER_RADIO
;
3488 bttv_call_i2c_clients(btv
, VIDIOC_G_TUNER
, t
);
3490 if (btv
->audio_mode_gpio
)
3491 btv
->audio_mode_gpio(btv
, t
, 0);
3493 mutex_unlock(&btv
->lock
);
3498 static int radio_enum_input(struct file
*file
, void *priv
,
3499 struct v4l2_input
*i
)
3504 strcpy(i
->name
, "Radio");
3505 i
->type
= V4L2_INPUT_TYPE_TUNER
;
3510 static int radio_g_audio(struct file
*file
, void *priv
,
3511 struct v4l2_audio
*a
)
3513 memset(a
, 0, sizeof(*a
));
3514 strcpy(a
->name
, "Radio");
3518 static int radio_s_tuner(struct file
*file
, void *priv
,
3519 struct v4l2_tuner
*t
)
3521 struct bttv_fh
*fh
= priv
;
3522 struct bttv
*btv
= fh
->btv
;
3527 bttv_call_i2c_clients(btv
, VIDIOC_G_TUNER
, t
);
3531 static int radio_s_audio(struct file
*file
, void *priv
,
3532 struct v4l2_audio
*a
)
3537 static int radio_s_input(struct file
*filp
, void *priv
, unsigned int i
)
3542 static int radio_s_std(struct file
*file
, void *fh
, v4l2_std_id
*norm
)
3547 static int radio_queryctrl(struct file
*file
, void *priv
,
3548 struct v4l2_queryctrl
*c
)
3550 const struct v4l2_queryctrl
*ctrl
;
3552 if (c
->id
< V4L2_CID_BASE
||
3553 c
->id
>= V4L2_CID_LASTP1
)
3556 if (c
->id
== V4L2_CID_AUDIO_MUTE
) {
3557 ctrl
= ctrl_by_id(c
->id
);
3565 static int radio_g_input(struct file
*filp
, void *priv
, unsigned int *i
)
3571 static ssize_t
radio_read(struct file
*file
, char __user
*data
,
3572 size_t count
, loff_t
*ppos
)
3574 struct bttv
*btv
= file
->private_data
;
3575 struct rds_command cmd
;
3576 cmd
.block_count
= count
/3;
3578 cmd
.instance
= file
;
3579 cmd
.result
= -ENODEV
;
3581 bttv_call_i2c_clients(btv
, RDS_CMD_READ
, &cmd
);
3586 static unsigned int radio_poll(struct file
*file
, poll_table
*wait
)
3588 struct bttv
*btv
= file
->private_data
;
3589 struct rds_command cmd
;
3590 cmd
.instance
= file
;
3591 cmd
.event_list
= wait
;
3592 cmd
.result
= -ENODEV
;
3593 bttv_call_i2c_clients(btv
, RDS_CMD_POLL
, &cmd
);
3598 static const struct file_operations radio_fops
=
3600 .owner
= THIS_MODULE
,
3603 .release
= radio_release
,
3604 .ioctl
= video_ioctl2
,
3605 .llseek
= no_llseek
,
3609 static struct video_device radio_template
=
3611 .fops
= &radio_fops
,
3613 .vidioc_querycap
= radio_querycap
,
3614 .vidioc_g_tuner
= radio_g_tuner
,
3615 .vidioc_enum_input
= radio_enum_input
,
3616 .vidioc_g_audio
= radio_g_audio
,
3617 .vidioc_s_tuner
= radio_s_tuner
,
3618 .vidioc_s_audio
= radio_s_audio
,
3619 .vidioc_s_input
= radio_s_input
,
3620 .vidioc_s_std
= radio_s_std
,
3621 .vidioc_queryctrl
= radio_queryctrl
,
3622 .vidioc_g_input
= radio_g_input
,
3623 .vidioc_g_ctrl
= bttv_g_ctrl
,
3624 .vidioc_s_ctrl
= bttv_s_ctrl
,
3625 .vidioc_g_frequency
= bttv_g_frequency
,
3626 .vidioc_s_frequency
= bttv_s_frequency
,
3629 /* ----------------------------------------------------------------------- */
3630 /* some debug code */
3632 static int bttv_risc_decode(u32 risc
)
3634 static char *instr
[16] = {
3635 [ BT848_RISC_WRITE
>> 28 ] = "write",
3636 [ BT848_RISC_SKIP
>> 28 ] = "skip",
3637 [ BT848_RISC_WRITEC
>> 28 ] = "writec",
3638 [ BT848_RISC_JUMP
>> 28 ] = "jump",
3639 [ BT848_RISC_SYNC
>> 28 ] = "sync",
3640 [ BT848_RISC_WRITE123
>> 28 ] = "write123",
3641 [ BT848_RISC_SKIP123
>> 28 ] = "skip123",
3642 [ BT848_RISC_WRITE1S23
>> 28 ] = "write1s23",
3644 static int incr
[16] = {
3645 [ BT848_RISC_WRITE
>> 28 ] = 2,
3646 [ BT848_RISC_JUMP
>> 28 ] = 2,
3647 [ BT848_RISC_SYNC
>> 28 ] = 2,
3648 [ BT848_RISC_WRITE123
>> 28 ] = 5,
3649 [ BT848_RISC_SKIP123
>> 28 ] = 2,
3650 [ BT848_RISC_WRITE1S23
>> 28 ] = 3,
3652 static char *bits
[] = {
3653 "be0", "be1", "be2", "be3/resync",
3654 "set0", "set1", "set2", "set3",
3655 "clr0", "clr1", "clr2", "clr3",
3656 "irq", "res", "eol", "sol",
3660 printk("0x%08x [ %s", risc
,
3661 instr
[risc
>> 28] ? instr
[risc
>> 28] : "INVALID");
3662 for (i
= ARRAY_SIZE(bits
)-1; i
>= 0; i
--)
3663 if (risc
& (1 << (i
+ 12)))
3664 printk(" %s",bits
[i
]);
3665 printk(" count=%d ]\n", risc
& 0xfff);
3666 return incr
[risc
>> 28] ? incr
[risc
>> 28] : 1;
3669 static void bttv_risc_disasm(struct bttv
*btv
,
3670 struct btcx_riscmem
*risc
)
3674 printk("%s: risc disasm: %p [dma=0x%08lx]\n",
3675 btv
->c
.name
, risc
->cpu
, (unsigned long)risc
->dma
);
3676 for (i
= 0; i
< (risc
->size
>> 2); i
+= n
) {
3677 printk("%s: 0x%lx: ", btv
->c
.name
,
3678 (unsigned long)(risc
->dma
+ (i
<<2)));
3679 n
= bttv_risc_decode(risc
->cpu
[i
]);
3680 for (j
= 1; j
< n
; j
++)
3681 printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n",
3682 btv
->c
.name
, (unsigned long)(risc
->dma
+ ((i
+j
)<<2)),
3684 if (0 == risc
->cpu
[i
])
3689 static void bttv_print_riscaddr(struct bttv
*btv
)
3691 printk(" main: %08Lx\n",
3692 (unsigned long long)btv
->main
.dma
);
3693 printk(" vbi : o=%08Lx e=%08Lx\n",
3694 btv
->cvbi
? (unsigned long long)btv
->cvbi
->top
.dma
: 0,
3695 btv
->cvbi
? (unsigned long long)btv
->cvbi
->bottom
.dma
: 0);
3696 printk(" cap : o=%08Lx e=%08Lx\n",
3697 btv
->curr
.top
? (unsigned long long)btv
->curr
.top
->top
.dma
: 0,
3698 btv
->curr
.bottom
? (unsigned long long)btv
->curr
.bottom
->bottom
.dma
: 0);
3699 printk(" scr : o=%08Lx e=%08Lx\n",
3700 btv
->screen
? (unsigned long long)btv
->screen
->top
.dma
: 0,
3701 btv
->screen
? (unsigned long long)btv
->screen
->bottom
.dma
: 0);
3702 bttv_risc_disasm(btv
, &btv
->main
);
3705 /* ----------------------------------------------------------------------- */
3708 static char *irq_name
[] = {
3709 "FMTCHG", // format change detected (525 vs. 625)
3710 "VSYNC", // vertical sync (new field)
3711 "HSYNC", // horizontal sync
3712 "OFLOW", // chroma/luma AGC overflow
3713 "HLOCK", // horizontal lock changed
3714 "VPRES", // video presence changed
3716 "I2CDONE", // hw irc operation finished
3717 "GPINT", // gpio port triggered irq
3719 "RISCI", // risc instruction triggered irq
3720 "FBUS", // pixel data fifo dropped data (high pci bus latencies)
3721 "FTRGT", // pixel data fifo overrun
3722 "FDSR", // fifo data stream resyncronisation
3723 "PPERR", // parity error (data transfer)
3724 "RIPERR", // parity error (read risc instructions)
3725 "PABORT", // pci abort
3726 "OCERR", // risc instruction error
3727 "SCERR", // syncronisation error
3730 static void bttv_print_irqbits(u32 print
, u32 mark
)
3735 for (i
= 0; i
< ARRAY_SIZE(irq_name
); i
++) {
3736 if (print
& (1 << i
))
3737 printk(" %s",irq_name
[i
]);
3738 if (mark
& (1 << i
))
3743 static void bttv_irq_debug_low_latency(struct bttv
*btv
, u32 rc
)
3745 printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n",
3747 (unsigned long)btv
->main
.dma
,
3748 (unsigned long)btv
->main
.cpu
[RISC_SLOT_O_VBI
+1],
3749 (unsigned long)btv
->main
.cpu
[RISC_SLOT_O_FIELD
+1],
3752 if (0 == (btread(BT848_DSTATUS
) & BT848_DSTATUS_HLOC
)) {
3753 printk("bttv%d: Oh, there (temporarely?) is no input signal. "
3754 "Ok, then this is harmless, don't worry ;)\n",
3758 printk("bttv%d: Uhm. Looks like we have unusual high IRQ latencies.\n",
3760 printk("bttv%d: Lets try to catch the culpit red-handed ...\n",
3766 bttv_irq_next_video(struct bttv
*btv
, struct bttv_buffer_set
*set
)
3768 struct bttv_buffer
*item
;
3770 memset(set
,0,sizeof(*set
));
3772 /* capture request ? */
3773 if (!list_empty(&btv
->capture
)) {
3775 item
= list_entry(btv
->capture
.next
, struct bttv_buffer
, vb
.queue
);
3776 if (V4L2_FIELD_HAS_TOP(item
->vb
.field
))
3778 if (V4L2_FIELD_HAS_BOTTOM(item
->vb
.field
))
3781 /* capture request for other field ? */
3782 if (!V4L2_FIELD_HAS_BOTH(item
->vb
.field
) &&
3783 (item
->vb
.queue
.next
!= &btv
->capture
)) {
3784 item
= list_entry(item
->vb
.queue
.next
, struct bttv_buffer
, vb
.queue
);
3785 if (!V4L2_FIELD_HAS_BOTH(item
->vb
.field
)) {
3786 if (NULL
== set
->top
&&
3787 V4L2_FIELD_TOP
== item
->vb
.field
) {
3790 if (NULL
== set
->bottom
&&
3791 V4L2_FIELD_BOTTOM
== item
->vb
.field
) {
3794 if (NULL
!= set
->top
&& NULL
!= set
->bottom
)
3800 /* screen overlay ? */
3801 if (NULL
!= btv
->screen
) {
3802 if (V4L2_FIELD_HAS_BOTH(btv
->screen
->vb
.field
)) {
3803 if (NULL
== set
->top
&& NULL
== set
->bottom
) {
3804 set
->top
= btv
->screen
;
3805 set
->bottom
= btv
->screen
;
3808 if (V4L2_FIELD_TOP
== btv
->screen
->vb
.field
&&
3810 set
->top
= btv
->screen
;
3812 if (V4L2_FIELD_BOTTOM
== btv
->screen
->vb
.field
&&
3813 NULL
== set
->bottom
) {
3814 set
->bottom
= btv
->screen
;
3819 dprintk("bttv%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n",
3820 btv
->c
.nr
,set
->top
, set
->bottom
,
3821 btv
->screen
,set
->frame_irq
,set
->top_irq
);
3826 bttv_irq_wakeup_video(struct bttv
*btv
, struct bttv_buffer_set
*wakeup
,
3827 struct bttv_buffer_set
*curr
, unsigned int state
)
3831 do_gettimeofday(&ts
);
3833 if (wakeup
->top
== wakeup
->bottom
) {
3834 if (NULL
!= wakeup
->top
&& curr
->top
!= wakeup
->top
) {
3836 printk("bttv%d: wakeup: both=%p\n",btv
->c
.nr
,wakeup
->top
);
3837 wakeup
->top
->vb
.ts
= ts
;
3838 wakeup
->top
->vb
.field_count
= btv
->field_count
;
3839 wakeup
->top
->vb
.state
= state
;
3840 wake_up(&wakeup
->top
->vb
.done
);
3843 if (NULL
!= wakeup
->top
&& curr
->top
!= wakeup
->top
) {
3845 printk("bttv%d: wakeup: top=%p\n",btv
->c
.nr
,wakeup
->top
);
3846 wakeup
->top
->vb
.ts
= ts
;
3847 wakeup
->top
->vb
.field_count
= btv
->field_count
;
3848 wakeup
->top
->vb
.state
= state
;
3849 wake_up(&wakeup
->top
->vb
.done
);
3851 if (NULL
!= wakeup
->bottom
&& curr
->bottom
!= wakeup
->bottom
) {
3853 printk("bttv%d: wakeup: bottom=%p\n",btv
->c
.nr
,wakeup
->bottom
);
3854 wakeup
->bottom
->vb
.ts
= ts
;
3855 wakeup
->bottom
->vb
.field_count
= btv
->field_count
;
3856 wakeup
->bottom
->vb
.state
= state
;
3857 wake_up(&wakeup
->bottom
->vb
.done
);
3863 bttv_irq_wakeup_vbi(struct bttv
*btv
, struct bttv_buffer
*wakeup
,
3871 do_gettimeofday(&ts
);
3873 wakeup
->vb
.field_count
= btv
->field_count
;
3874 wakeup
->vb
.state
= state
;
3875 wake_up(&wakeup
->vb
.done
);
3878 static void bttv_irq_timeout(unsigned long data
)
3880 struct bttv
*btv
= (struct bttv
*)data
;
3881 struct bttv_buffer_set old
,new;
3882 struct bttv_buffer
*ovbi
;
3883 struct bttv_buffer
*item
;
3884 unsigned long flags
;
3887 printk(KERN_INFO
"bttv%d: timeout: drop=%d irq=%d/%d, risc=%08x, ",
3888 btv
->c
.nr
, btv
->framedrop
, btv
->irq_me
, btv
->irq_total
,
3889 btread(BT848_RISC_COUNT
));
3890 bttv_print_irqbits(btread(BT848_INT_STAT
),0);
3894 spin_lock_irqsave(&btv
->s_lock
,flags
);
3896 /* deactivate stuff */
3897 memset(&new,0,sizeof(new));
3903 bttv_buffer_activate_video(btv
, &new);
3904 bttv_buffer_activate_vbi(btv
, NULL
);
3905 bttv_set_dma(btv
, 0);
3908 bttv_irq_wakeup_video(btv
, &old
, &new, VIDEOBUF_ERROR
);
3909 bttv_irq_wakeup_vbi(btv
, ovbi
, VIDEOBUF_ERROR
);
3911 /* cancel all outstanding capture / vbi requests */
3912 while (!list_empty(&btv
->capture
)) {
3913 item
= list_entry(btv
->capture
.next
, struct bttv_buffer
, vb
.queue
);
3914 list_del(&item
->vb
.queue
);
3915 item
->vb
.state
= VIDEOBUF_ERROR
;
3916 wake_up(&item
->vb
.done
);
3918 while (!list_empty(&btv
->vcapture
)) {
3919 item
= list_entry(btv
->vcapture
.next
, struct bttv_buffer
, vb
.queue
);
3920 list_del(&item
->vb
.queue
);
3921 item
->vb
.state
= VIDEOBUF_ERROR
;
3922 wake_up(&item
->vb
.done
);
3926 spin_unlock_irqrestore(&btv
->s_lock
,flags
);
3930 bttv_irq_wakeup_top(struct bttv
*btv
)
3932 struct bttv_buffer
*wakeup
= btv
->curr
.top
;
3937 spin_lock(&btv
->s_lock
);
3938 btv
->curr
.top_irq
= 0;
3939 btv
->curr
.top
= NULL
;
3940 bttv_risc_hook(btv
, RISC_SLOT_O_FIELD
, NULL
, 0);
3942 do_gettimeofday(&wakeup
->vb
.ts
);
3943 wakeup
->vb
.field_count
= btv
->field_count
;
3944 wakeup
->vb
.state
= VIDEOBUF_DONE
;
3945 wake_up(&wakeup
->vb
.done
);
3946 spin_unlock(&btv
->s_lock
);
3949 static inline int is_active(struct btcx_riscmem
*risc
, u32 rc
)
3953 if (rc
> risc
->dma
+ risc
->size
)
3959 bttv_irq_switch_video(struct bttv
*btv
)
3961 struct bttv_buffer_set
new;
3962 struct bttv_buffer_set old
;
3965 spin_lock(&btv
->s_lock
);
3967 /* new buffer set */
3968 bttv_irq_next_video(btv
, &new);
3969 rc
= btread(BT848_RISC_COUNT
);
3970 if ((btv
->curr
.top
&& is_active(&btv
->curr
.top
->top
, rc
)) ||
3971 (btv
->curr
.bottom
&& is_active(&btv
->curr
.bottom
->bottom
, rc
))) {
3974 bttv_irq_debug_low_latency(btv
, rc
);
3975 spin_unlock(&btv
->s_lock
);
3982 btv
->loop_irq
&= ~1;
3983 bttv_buffer_activate_video(btv
, &new);
3984 bttv_set_dma(btv
, 0);
3987 if (UNSET
!= btv
->new_input
) {
3988 video_mux(btv
,btv
->new_input
);
3989 btv
->new_input
= UNSET
;
3992 /* wake up finished buffers */
3993 bttv_irq_wakeup_video(btv
, &old
, &new, VIDEOBUF_DONE
);
3994 spin_unlock(&btv
->s_lock
);
3998 bttv_irq_switch_vbi(struct bttv
*btv
)
4000 struct bttv_buffer
*new = NULL
;
4001 struct bttv_buffer
*old
;
4004 spin_lock(&btv
->s_lock
);
4006 if (!list_empty(&btv
->vcapture
))
4007 new = list_entry(btv
->vcapture
.next
, struct bttv_buffer
, vb
.queue
);
4010 rc
= btread(BT848_RISC_COUNT
);
4011 if (NULL
!= old
&& (is_active(&old
->top
, rc
) ||
4012 is_active(&old
->bottom
, rc
))) {
4015 bttv_irq_debug_low_latency(btv
, rc
);
4016 spin_unlock(&btv
->s_lock
);
4022 btv
->loop_irq
&= ~4;
4023 bttv_buffer_activate_vbi(btv
, new);
4024 bttv_set_dma(btv
, 0);
4026 bttv_irq_wakeup_vbi(btv
, old
, VIDEOBUF_DONE
);
4027 spin_unlock(&btv
->s_lock
);
4030 static irqreturn_t
bttv_irq(int irq
, void *dev_id
)
4038 btv
=(struct bttv
*)dev_id
;
4040 if (btv
->custom_irq
)
4041 handled
= btv
->custom_irq(btv
);
4045 /* get/clear interrupt status bits */
4046 stat
=btread(BT848_INT_STAT
);
4047 astat
=stat
&btread(BT848_INT_MASK
);
4051 btwrite(stat
,BT848_INT_STAT
);
4053 /* get device status bits */
4054 dstat
=btread(BT848_DSTATUS
);
4057 printk(KERN_DEBUG
"bttv%d: irq loop=%d fc=%d "
4058 "riscs=%x, riscc=%08x, ",
4059 btv
->c
.nr
, count
, btv
->field_count
,
4060 stat
>>28, btread(BT848_RISC_COUNT
));
4061 bttv_print_irqbits(stat
,astat
);
4062 if (stat
& BT848_INT_HLOCK
)
4063 printk(" HLOC => %s", (dstat
& BT848_DSTATUS_HLOC
)
4065 if (stat
& BT848_INT_VPRES
)
4066 printk(" PRES => %s", (dstat
& BT848_DSTATUS_PRES
)
4068 if (stat
& BT848_INT_FMTCHG
)
4069 printk(" NUML => %s", (dstat
& BT848_DSTATUS_NUML
)
4074 if (astat
&BT848_INT_VSYNC
)
4077 if ((astat
& BT848_INT_GPINT
) && btv
->remote
) {
4078 wake_up(&btv
->gpioq
);
4079 bttv_input_irq(btv
);
4082 if (astat
& BT848_INT_I2CDONE
) {
4083 btv
->i2c_done
= stat
;
4084 wake_up(&btv
->i2c_queue
);
4087 if ((astat
& BT848_INT_RISCI
) && (stat
& (4<<28)))
4088 bttv_irq_switch_vbi(btv
);
4090 if ((astat
& BT848_INT_RISCI
) && (stat
& (2<<28)))
4091 bttv_irq_wakeup_top(btv
);
4093 if ((astat
& BT848_INT_RISCI
) && (stat
& (1<<28)))
4094 bttv_irq_switch_video(btv
);
4096 if ((astat
& BT848_INT_HLOCK
) && btv
->opt_automute
)
4097 audio_mute(btv
, btv
->mute
); /* trigger automute */
4099 if (astat
& (BT848_INT_SCERR
|BT848_INT_OCERR
)) {
4100 printk(KERN_INFO
"bttv%d: %s%s @ %08x,",btv
->c
.nr
,
4101 (astat
& BT848_INT_SCERR
) ? "SCERR" : "",
4102 (astat
& BT848_INT_OCERR
) ? "OCERR" : "",
4103 btread(BT848_RISC_COUNT
));
4104 bttv_print_irqbits(stat
,astat
);
4107 bttv_print_riscaddr(btv
);
4109 if (fdsr
&& astat
& BT848_INT_FDSR
) {
4110 printk(KERN_INFO
"bttv%d: FDSR @ %08x\n",
4111 btv
->c
.nr
,btread(BT848_RISC_COUNT
));
4113 bttv_print_riscaddr(btv
);
4119 if (count
> 8 || !(astat
& BT848_INT_GPINT
)) {
4120 btwrite(0, BT848_INT_MASK
);
4123 "bttv%d: IRQ lockup, cleared int mask [", btv
->c
.nr
);
4126 "bttv%d: IRQ lockup, clearing GPINT from int mask [", btv
->c
.nr
);
4128 btwrite(btread(BT848_INT_MASK
) & (-1 ^ BT848_INT_GPINT
),
4132 bttv_print_irqbits(stat
,astat
);
4140 return IRQ_RETVAL(handled
);
4144 /* ----------------------------------------------------------------------- */
4145 /* initialitation */
4147 static struct video_device
*vdev_init(struct bttv
*btv
,
4148 const struct video_device
*template,
4149 const char *type_name
,
4152 struct video_device
*vfd
;
4154 vfd
= video_device_alloc();
4159 vfd
->dev
= &btv
->c
.pci
->dev
;
4160 vfd
->release
= video_device_release
;
4162 snprintf(vfd
->name
, sizeof(vfd
->name
), "BT%d%s %s (%s)",
4163 btv
->id
, (btv
->id
==848 && btv
->revision
==0x12) ? "A" : "",
4164 type_name
, bttv_tvcards
[btv
->c
.type
].name
);
4168 static void bttv_unregister_video(struct bttv
*btv
)
4170 if (btv
->video_dev
) {
4171 if (-1 != btv
->video_dev
->minor
)
4172 video_unregister_device(btv
->video_dev
);
4174 video_device_release(btv
->video_dev
);
4175 btv
->video_dev
= NULL
;
4178 if (-1 != btv
->vbi_dev
->minor
)
4179 video_unregister_device(btv
->vbi_dev
);
4181 video_device_release(btv
->vbi_dev
);
4182 btv
->vbi_dev
= NULL
;
4184 if (btv
->radio_dev
) {
4185 if (-1 != btv
->radio_dev
->minor
)
4186 video_unregister_device(btv
->radio_dev
);
4188 video_device_release(btv
->radio_dev
);
4189 btv
->radio_dev
= NULL
;
4193 /* register video4linux devices */
4194 static int __devinit
bttv_register_video(struct bttv
*btv
)
4196 int video_type
= VID_TYPE_CAPTURE
|
4201 if (no_overlay
<= 0) {
4202 bttv_video_template
.type
|= VID_TYPE_OVERLAY
;
4204 printk("bttv: Overlay support disabled.\n");
4208 btv
->video_dev
= vdev_init(btv
, &bttv_video_template
,
4209 "video", video_type
);
4211 if (NULL
== btv
->video_dev
)
4213 if (video_register_device(btv
->video_dev
,VFL_TYPE_GRABBER
,video_nr
)<0)
4215 printk(KERN_INFO
"bttv%d: registered device video%d\n",
4216 btv
->c
.nr
,btv
->video_dev
->minor
& 0x1f);
4217 if (device_create_file(&btv
->video_dev
->class_dev
,
4218 &dev_attr_card
)<0) {
4219 printk(KERN_ERR
"bttv%d: device_create_file 'card' "
4220 "failed\n", btv
->c
.nr
);
4225 btv
->vbi_dev
= vdev_init(btv
, &bttv_video_template
,
4226 "vbi", VID_TYPE_TUNER
| VID_TYPE_TELETEXT
);
4228 if (NULL
== btv
->vbi_dev
)
4230 if (video_register_device(btv
->vbi_dev
,VFL_TYPE_VBI
,vbi_nr
)<0)
4232 printk(KERN_INFO
"bttv%d: registered device vbi%d\n",
4233 btv
->c
.nr
,btv
->vbi_dev
->minor
& 0x1f);
4235 if (!btv
->has_radio
)
4238 btv
->radio_dev
= vdev_init(btv
, &radio_template
,
4239 "radio", VID_TYPE_TUNER
);
4240 if (NULL
== btv
->radio_dev
)
4242 if (video_register_device(btv
->radio_dev
, VFL_TYPE_RADIO
,radio_nr
)<0)
4244 printk(KERN_INFO
"bttv%d: registered device radio%d\n",
4245 btv
->c
.nr
,btv
->radio_dev
->minor
& 0x1f);
4251 bttv_unregister_video(btv
);
4256 /* on OpenFirmware machines (PowerMac at least), PCI memory cycle */
4257 /* response on cards with no firmware is not enabled by OF */
4258 static void pci_set_command(struct pci_dev
*dev
)
4260 #if defined(__powerpc__)
4263 pci_read_config_dword(dev
, PCI_COMMAND
, &cmd
);
4264 cmd
= (cmd
| PCI_COMMAND_MEMORY
);
4265 pci_write_config_dword(dev
, PCI_COMMAND
, cmd
);
4269 static int __devinit
bttv_probe(struct pci_dev
*dev
,
4270 const struct pci_device_id
*pci_id
)
4276 if (bttv_num
== BTTV_MAX
)
4278 printk(KERN_INFO
"bttv: Bt8xx card found (%d).\n", bttv_num
);
4279 btv
=&bttvs
[bttv_num
];
4280 memset(btv
,0,sizeof(*btv
));
4281 btv
->c
.nr
= bttv_num
;
4282 sprintf(btv
->c
.name
,"bttv%d",btv
->c
.nr
);
4284 /* initialize structs / fill in defaults */
4285 mutex_init(&btv
->lock
);
4286 spin_lock_init(&btv
->s_lock
);
4287 spin_lock_init(&btv
->gpio_lock
);
4288 init_waitqueue_head(&btv
->gpioq
);
4289 init_waitqueue_head(&btv
->i2c_queue
);
4290 INIT_LIST_HEAD(&btv
->c
.subs
);
4291 INIT_LIST_HEAD(&btv
->capture
);
4292 INIT_LIST_HEAD(&btv
->vcapture
);
4293 v4l2_prio_init(&btv
->prio
);
4295 init_timer(&btv
->timeout
);
4296 btv
->timeout
.function
= bttv_irq_timeout
;
4297 btv
->timeout
.data
= (unsigned long)btv
;
4300 btv
->tuner_type
= UNSET
;
4301 btv
->new_input
= UNSET
;
4302 btv
->has_radio
=radio
[btv
->c
.nr
];
4304 /* pci stuff (init, get irq/mmio, ... */
4306 btv
->id
= dev
->device
;
4307 if (pci_enable_device(dev
)) {
4308 printk(KERN_WARNING
"bttv%d: Can't enable device.\n",
4312 if (pci_set_dma_mask(dev
, DMA_32BIT_MASK
)) {
4313 printk(KERN_WARNING
"bttv%d: No suitable DMA available.\n",
4317 if (!request_mem_region(pci_resource_start(dev
,0),
4318 pci_resource_len(dev
,0),
4320 printk(KERN_WARNING
"bttv%d: can't request iomem (0x%llx).\n",
4322 (unsigned long long)pci_resource_start(dev
,0));
4325 pci_set_master(dev
);
4326 pci_set_command(dev
);
4327 pci_set_drvdata(dev
,btv
);
4329 pci_read_config_byte(dev
, PCI_CLASS_REVISION
, &btv
->revision
);
4330 pci_read_config_byte(dev
, PCI_LATENCY_TIMER
, &lat
);
4331 printk(KERN_INFO
"bttv%d: Bt%d (rev %d) at %s, ",
4332 bttv_num
,btv
->id
, btv
->revision
, pci_name(dev
));
4333 printk("irq: %d, latency: %d, mmio: 0x%llx\n",
4334 btv
->c
.pci
->irq
, lat
,
4335 (unsigned long long)pci_resource_start(dev
,0));
4338 btv
->bt848_mmio
= ioremap(pci_resource_start(dev
, 0), 0x1000);
4339 if (NULL
== btv
->bt848_mmio
) {
4340 printk("bttv%d: ioremap() failed\n", btv
->c
.nr
);
4348 /* disable irqs, register irq handler */
4349 btwrite(0, BT848_INT_MASK
);
4350 result
= request_irq(btv
->c
.pci
->irq
, bttv_irq
,
4351 IRQF_SHARED
| IRQF_DISABLED
,btv
->c
.name
,(void *)btv
);
4353 printk(KERN_ERR
"bttv%d: can't get IRQ %d\n",
4354 bttv_num
,btv
->c
.pci
->irq
);
4358 if (0 != bttv_handle_chipset(btv
)) {
4363 /* init options from insmod args */
4364 btv
->opt_combfilter
= combfilter
;
4365 btv
->opt_lumafilter
= lumafilter
;
4366 btv
->opt_automute
= automute
;
4367 btv
->opt_chroma_agc
= chroma_agc
;
4368 btv
->opt_adc_crush
= adc_crush
;
4369 btv
->opt_vcr_hack
= vcr_hack
;
4370 btv
->opt_whitecrush_upper
= whitecrush_upper
;
4371 btv
->opt_whitecrush_lower
= whitecrush_lower
;
4372 btv
->opt_uv_ratio
= uv_ratio
;
4373 btv
->opt_full_luma_range
= full_luma_range
;
4374 btv
->opt_coring
= coring
;
4376 /* fill struct bttv with some useful defaults */
4377 btv
->init
.btv
= btv
;
4378 btv
->init
.ov
.w
.width
= 320;
4379 btv
->init
.ov
.w
.height
= 240;
4380 btv
->init
.fmt
= format_by_fourcc(V4L2_PIX_FMT_BGR24
);
4381 btv
->init
.width
= 320;
4382 btv
->init
.height
= 240;
4385 /* initialize hardware */
4387 bttv_gpio_tracking(btv
,"pre-init");
4389 bttv_risc_init_main(btv
);
4393 btwrite(0x00, BT848_GPIO_REG_INP
);
4394 btwrite(0x00, BT848_GPIO_OUT_EN
);
4396 bttv_gpio_tracking(btv
,"init");
4398 /* needs to be done before i2c is registered */
4399 bttv_init_card1(btv
);
4401 /* register i2c + gpio */
4404 /* some card-specific stuff (needs working i2c) */
4405 bttv_init_card2(btv
);
4408 /* register video4linux + input */
4409 if (!bttv_tvcards
[btv
->c
.type
].no_video
) {
4410 bttv_register_video(btv
);
4411 bt848_bright(btv
,32768);
4412 bt848_contrast(btv
,32768);
4413 bt848_hue(btv
,32768);
4414 bt848_sat(btv
,32768);
4416 set_input(btv
, 0, btv
->tvnorm
);
4417 bttv_crop_reset(&btv
->crop
[0], btv
->tvnorm
);
4418 btv
->crop
[1] = btv
->crop
[0]; /* current = default */
4419 disclaim_vbi_lines(btv
);
4420 disclaim_video_lines(btv
);
4423 /* add subdevices and autoload dvb-bt8xx if needed */
4424 if (bttv_tvcards
[btv
->c
.type
].has_dvb
) {
4425 bttv_sub_add_device(&btv
->c
, "dvb");
4426 request_modules(btv
);
4429 bttv_input_init(btv
);
4431 /* everything is fine */
4436 free_irq(btv
->c
.pci
->irq
,btv
);
4439 if (btv
->bt848_mmio
)
4440 iounmap(btv
->bt848_mmio
);
4441 release_mem_region(pci_resource_start(btv
->c
.pci
,0),
4442 pci_resource_len(btv
->c
.pci
,0));
4443 pci_set_drvdata(dev
,NULL
);
4447 static void __devexit
bttv_remove(struct pci_dev
*pci_dev
)
4449 struct bttv
*btv
= pci_get_drvdata(pci_dev
);
4452 printk("bttv%d: unloading\n",btv
->c
.nr
);
4454 /* shutdown everything (DMA+IRQs) */
4455 btand(~15, BT848_GPIO_DMA_CTL
);
4456 btwrite(0, BT848_INT_MASK
);
4457 btwrite(~0x0, BT848_INT_STAT
);
4458 btwrite(0x0, BT848_GPIO_OUT_EN
);
4460 bttv_gpio_tracking(btv
,"cleanup");
4462 /* tell gpio modules we are leaving ... */
4464 wake_up(&btv
->gpioq
);
4465 bttv_input_fini(btv
);
4466 bttv_sub_del_devices(&btv
->c
);
4468 /* unregister i2c_bus + input */
4471 /* unregister video4linux */
4472 bttv_unregister_video(btv
);
4474 /* free allocated memory */
4475 btcx_riscmem_free(btv
->c
.pci
,&btv
->main
);
4477 /* free ressources */
4478 free_irq(btv
->c
.pci
->irq
,btv
);
4479 iounmap(btv
->bt848_mmio
);
4480 release_mem_region(pci_resource_start(btv
->c
.pci
,0),
4481 pci_resource_len(btv
->c
.pci
,0));
4483 pci_set_drvdata(pci_dev
, NULL
);
4488 static int bttv_suspend(struct pci_dev
*pci_dev
, pm_message_t state
)
4490 struct bttv
*btv
= pci_get_drvdata(pci_dev
);
4491 struct bttv_buffer_set idle
;
4492 unsigned long flags
;
4494 dprintk("bttv%d: suspend %d\n", btv
->c
.nr
, state
.event
);
4496 /* stop dma + irqs */
4497 spin_lock_irqsave(&btv
->s_lock
,flags
);
4498 memset(&idle
, 0, sizeof(idle
));
4499 btv
->state
.video
= btv
->curr
;
4500 btv
->state
.vbi
= btv
->cvbi
;
4501 btv
->state
.loop_irq
= btv
->loop_irq
;
4504 bttv_buffer_activate_video(btv
, &idle
);
4505 bttv_buffer_activate_vbi(btv
, NULL
);
4506 bttv_set_dma(btv
, 0);
4507 btwrite(0, BT848_INT_MASK
);
4508 spin_unlock_irqrestore(&btv
->s_lock
,flags
);
4510 /* save bt878 state */
4511 btv
->state
.gpio_enable
= btread(BT848_GPIO_OUT_EN
);
4512 btv
->state
.gpio_data
= gpio_read();
4514 /* save pci state */
4515 pci_save_state(pci_dev
);
4516 if (0 != pci_set_power_state(pci_dev
, pci_choose_state(pci_dev
, state
))) {
4517 pci_disable_device(pci_dev
);
4518 btv
->state
.disabled
= 1;
4523 static int bttv_resume(struct pci_dev
*pci_dev
)
4525 struct bttv
*btv
= pci_get_drvdata(pci_dev
);
4526 unsigned long flags
;
4529 dprintk("bttv%d: resume\n", btv
->c
.nr
);
4531 /* restore pci state */
4532 if (btv
->state
.disabled
) {
4533 err
=pci_enable_device(pci_dev
);
4535 printk(KERN_WARNING
"bttv%d: Can't enable device.\n",
4539 btv
->state
.disabled
= 0;
4541 err
=pci_set_power_state(pci_dev
, PCI_D0
);
4543 pci_disable_device(pci_dev
);
4544 printk(KERN_WARNING
"bttv%d: Can't enable device.\n",
4546 btv
->state
.disabled
= 1;
4550 pci_restore_state(pci_dev
);
4552 /* restore bt878 state */
4553 bttv_reinit_bt848(btv
);
4554 gpio_inout(0xffffff, btv
->state
.gpio_enable
);
4555 gpio_write(btv
->state
.gpio_data
);
4558 spin_lock_irqsave(&btv
->s_lock
,flags
);
4559 btv
->curr
= btv
->state
.video
;
4560 btv
->cvbi
= btv
->state
.vbi
;
4561 btv
->loop_irq
= btv
->state
.loop_irq
;
4562 bttv_buffer_activate_video(btv
, &btv
->curr
);
4563 bttv_buffer_activate_vbi(btv
, btv
->cvbi
);
4564 bttv_set_dma(btv
, 0);
4565 spin_unlock_irqrestore(&btv
->s_lock
,flags
);
4570 static struct pci_device_id bttv_pci_tbl
[] = {
4571 {PCI_VENDOR_ID_BROOKTREE
, PCI_DEVICE_ID_BT848
,
4572 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0},
4573 {PCI_VENDOR_ID_BROOKTREE
, PCI_DEVICE_ID_BT849
,
4574 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0},
4575 {PCI_VENDOR_ID_BROOKTREE
, PCI_DEVICE_ID_BT878
,
4576 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0},
4577 {PCI_VENDOR_ID_BROOKTREE
, PCI_DEVICE_ID_BT879
,
4578 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0},
4582 MODULE_DEVICE_TABLE(pci
, bttv_pci_tbl
);
4584 static struct pci_driver bttv_pci_driver
= {
4586 .id_table
= bttv_pci_tbl
,
4587 .probe
= bttv_probe
,
4588 .remove
= __devexit_p(bttv_remove
),
4590 .suspend
= bttv_suspend
,
4591 .resume
= bttv_resume
,
4595 static int __init
bttv_init_module(void)
4601 printk(KERN_INFO
"bttv: driver version %d.%d.%d loaded\n",
4602 (BTTV_VERSION_CODE
>> 16) & 0xff,
4603 (BTTV_VERSION_CODE
>> 8) & 0xff,
4604 BTTV_VERSION_CODE
& 0xff);
4606 printk(KERN_INFO
"bttv: snapshot date %04d-%02d-%02d\n",
4607 SNAPSHOT
/10000, (SNAPSHOT
/100)%100, SNAPSHOT
%100);
4609 if (gbuffers
< 2 || gbuffers
> VIDEO_MAX_FRAME
)
4611 if (gbufsize
< 0 || gbufsize
> BTTV_MAX_FBUF
)
4612 gbufsize
= BTTV_MAX_FBUF
;
4613 gbufsize
= (gbufsize
+ PAGE_SIZE
- 1) & PAGE_MASK
;
4615 printk(KERN_INFO
"bttv: using %d buffers with %dk (%d pages) each for capture\n",
4616 gbuffers
, gbufsize
>> 10, gbufsize
>> PAGE_SHIFT
);
4618 bttv_check_chipset();
4620 ret
= bus_register(&bttv_sub_bus_type
);
4622 printk(KERN_WARNING
"bttv: bus_register error: %d\n", ret
);
4625 ret
= pci_register_driver(&bttv_pci_driver
);
4627 bus_unregister(&bttv_sub_bus_type
);
4632 static void __exit
bttv_cleanup_module(void)
4634 pci_unregister_driver(&bttv_pci_driver
);
4635 bus_unregister(&bttv_sub_bus_type
);
4638 module_init(bttv_init_module
);
4639 module_exit(bttv_cleanup_module
);