| /* |
| |
| bttv - Bt848 frame grabber driver |
| |
| Copyright (C) 1996,97,98 Ralph Metzler <rjkm@thp.uni-koeln.de> |
| & Marcus Metzler <mocm@thp.uni-koeln.de> |
| (c) 1999-2002 Gerd Knorr <kraxel@bytesex.org> |
| |
| some v4l2 code lines are taken from Justin's bttv2 driver which is |
| (c) 2000 Justin Schoeman <justin@suntiger.ee.up.ac.za> |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/delay.h> |
| #include <linux/errno.h> |
| #include <linux/fs.h> |
| #include <linux/kernel.h> |
| #include <linux/sched.h> |
| #include <linux/interrupt.h> |
| #include <linux/kdev_t.h> |
| #include "bttvp.h" |
| #include <media/v4l2-common.h> |
| #include <media/tvaudio.h> |
| #include <media/msp3400.h> |
| |
| #include <linux/dma-mapping.h> |
| |
| #include <asm/io.h> |
| #include <asm/byteorder.h> |
| |
| #include <media/rds.h> |
| |
| |
| unsigned int bttv_num; /* number of Bt848s in use */ |
| struct bttv bttvs[BTTV_MAX]; |
| |
| unsigned int bttv_debug; |
| unsigned int bttv_verbose = 1; |
| unsigned int bttv_gpio; |
| |
| /* config variables */ |
| #ifdef __BIG_ENDIAN |
| static unsigned int bigendian=1; |
| #else |
| static unsigned int bigendian; |
| #endif |
| static unsigned int radio[BTTV_MAX]; |
| static unsigned int irq_debug; |
| static unsigned int gbuffers = 8; |
| static unsigned int gbufsize = 0x208000; |
| |
| static int video_nr = -1; |
| static int radio_nr = -1; |
| static int vbi_nr = -1; |
| static int debug_latency; |
| |
| static unsigned int fdsr; |
| |
| /* options */ |
| static unsigned int combfilter; |
| static unsigned int lumafilter; |
| static unsigned int automute = 1; |
| static unsigned int chroma_agc; |
| static unsigned int adc_crush = 1; |
| static unsigned int whitecrush_upper = 0xCF; |
| static unsigned int whitecrush_lower = 0x7F; |
| static unsigned int vcr_hack; |
| static unsigned int irq_iswitch; |
| static unsigned int uv_ratio = 50; |
| static unsigned int full_luma_range; |
| static unsigned int coring; |
| extern int no_overlay; |
| |
| /* API features (turn on/off stuff for testing) */ |
| static unsigned int v4l2 = 1; |
| |
| /* insmod args */ |
| module_param(bttv_verbose, int, 0644); |
| module_param(bttv_gpio, int, 0644); |
| module_param(bttv_debug, int, 0644); |
| module_param(irq_debug, int, 0644); |
| module_param(debug_latency, int, 0644); |
| |
| module_param(fdsr, int, 0444); |
| module_param(video_nr, int, 0444); |
| module_param(radio_nr, int, 0444); |
| module_param(vbi_nr, int, 0444); |
| module_param(gbuffers, int, 0444); |
| module_param(gbufsize, int, 0444); |
| |
| module_param(v4l2, int, 0644); |
| module_param(bigendian, int, 0644); |
| module_param(irq_iswitch, int, 0644); |
| module_param(combfilter, int, 0444); |
| module_param(lumafilter, int, 0444); |
| module_param(automute, int, 0444); |
| module_param(chroma_agc, int, 0444); |
| module_param(adc_crush, int, 0444); |
| module_param(whitecrush_upper, int, 0444); |
| module_param(whitecrush_lower, int, 0444); |
| module_param(vcr_hack, int, 0444); |
| module_param(uv_ratio, int, 0444); |
| module_param(full_luma_range, int, 0444); |
| module_param(coring, int, 0444); |
| |
| module_param_array(radio, int, NULL, 0444); |
| |
| MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)"); |
| MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian"); |
| MODULE_PARM_DESC(bttv_verbose,"verbose startup messages, default is 1 (yes)"); |
| MODULE_PARM_DESC(bttv_gpio,"log gpio changes, default is 0 (no)"); |
| MODULE_PARM_DESC(bttv_debug,"debug messages, default is 0 (no)"); |
| MODULE_PARM_DESC(irq_debug,"irq handler debug messages, default is 0 (no)"); |
| MODULE_PARM_DESC(gbuffers,"number of capture buffers. range 2-32, default 8"); |
| MODULE_PARM_DESC(gbufsize,"size of the capture buffers, default is 0x208000"); |
| MODULE_PARM_DESC(automute,"mute audio on bad/missing video signal, default is 1 (yes)"); |
| MODULE_PARM_DESC(chroma_agc,"enables the AGC of chroma signal, default is 0 (no)"); |
| MODULE_PARM_DESC(adc_crush,"enables the luminance ADC crush, default is 1 (yes)"); |
| MODULE_PARM_DESC(whitecrush_upper,"sets the white crush upper value, default is 207"); |
| MODULE_PARM_DESC(whitecrush_lower,"sets the white crush lower value, default is 127"); |
| MODULE_PARM_DESC(vcr_hack,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)"); |
| MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler"); |
| MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50"); |
| MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)"); |
| MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)"); |
| |
| MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards"); |
| MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr"); |
| MODULE_LICENSE("GPL"); |
| |
| /* ----------------------------------------------------------------------- */ |
| /* sysfs */ |
| |
| static ssize_t show_card(struct class_device *cd, char *buf) |
| { |
| struct video_device *vfd = to_video_device(cd); |
| struct bttv *btv = dev_get_drvdata(vfd->dev); |
| return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET); |
| } |
| static CLASS_DEVICE_ATTR(card, S_IRUGO, show_card, NULL); |
| |
| /* ----------------------------------------------------------------------- */ |
| /* static data */ |
| |
| /* special timing tables from conexant... */ |
| static u8 SRAM_Table[][60] = |
| { |
| /* PAL digital input over GPIO[7:0] */ |
| { |
| 45, // 45 bytes following |
| 0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16, |
| 0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00, |
| 0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00, |
| 0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37, |
| 0x37,0x00,0xAF,0x21,0x00 |
| }, |
| /* NTSC digital input over GPIO[7:0] */ |
| { |
| 51, // 51 bytes following |
| 0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06, |
| 0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00, |
| 0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07, |
| 0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6, |
| 0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21, |
| 0x00, |
| }, |
| // TGB_NTSC392 // quartzsight |
| // This table has been modified to be used for Fusion Rev D |
| { |
| 0x2A, // size of table = 42 |
| 0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24, |
| 0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10, |
| 0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00, |
| 0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3, |
| 0x20, 0x00 |
| } |
| }; |
| |
| const struct bttv_tvnorm bttv_tvnorms[] = { |
| /* PAL-BDGHI */ |
| /* max. active video is actually 922, but 924 is divisible by 4 and 3! */ |
| /* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */ |
| { |
| .v4l2_id = V4L2_STD_PAL, |
| .name = "PAL", |
| .Fsc = 35468950, |
| .swidth = 924, |
| .sheight = 576, |
| .totalwidth = 1135, |
| .adelay = 0x7f, |
| .bdelay = 0x72, |
| .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), |
| .scaledtwidth = 1135, |
| .hdelayx1 = 186, |
| .hactivex1 = 924, |
| .vdelay = 0x20, |
| .vbipack = 255, |
| .sram = 0, |
| /* ITU-R frame line number of the first VBI line |
| we can capture, of the first and second field. */ |
| .vbistart = { 7,320 }, |
| },{ |
| .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR, |
| .name = "NTSC", |
| .Fsc = 28636363, |
| .swidth = 768, |
| .sheight = 480, |
| .totalwidth = 910, |
| .adelay = 0x68, |
| .bdelay = 0x5d, |
| .iform = (BT848_IFORM_NTSC|BT848_IFORM_XT0), |
| .scaledtwidth = 910, |
| .hdelayx1 = 128, |
| .hactivex1 = 910, |
| .vdelay = 0x1a, |
| .vbipack = 144, |
| .sram = 1, |
| .vbistart = { 10, 273 }, |
| },{ |
| .v4l2_id = V4L2_STD_SECAM, |
| .name = "SECAM", |
| .Fsc = 35468950, |
| .swidth = 924, |
| .sheight = 576, |
| .totalwidth = 1135, |
| .adelay = 0x7f, |
| .bdelay = 0xb0, |
| .iform = (BT848_IFORM_SECAM|BT848_IFORM_XT1), |
| .scaledtwidth = 1135, |
| .hdelayx1 = 186, |
| .hactivex1 = 922, |
| .vdelay = 0x20, |
| .vbipack = 255, |
| .sram = 0, /* like PAL, correct? */ |
| .vbistart = { 7, 320 }, |
| },{ |
| .v4l2_id = V4L2_STD_PAL_Nc, |
| .name = "PAL-Nc", |
| .Fsc = 28636363, |
| .swidth = 640, |
| .sheight = 576, |
| .totalwidth = 910, |
| .adelay = 0x68, |
| .bdelay = 0x5d, |
| .iform = (BT848_IFORM_PAL_NC|BT848_IFORM_XT0), |
| .scaledtwidth = 780, |
| .hdelayx1 = 130, |
| .hactivex1 = 734, |
| .vdelay = 0x1a, |
| .vbipack = 144, |
| .sram = -1, |
| .vbistart = { 7, 320 }, |
| },{ |
| .v4l2_id = V4L2_STD_PAL_M, |
| .name = "PAL-M", |
| .Fsc = 28636363, |
| .swidth = 640, |
| .sheight = 480, |
| .totalwidth = 910, |
| .adelay = 0x68, |
| .bdelay = 0x5d, |
| .iform = (BT848_IFORM_PAL_M|BT848_IFORM_XT0), |
| .scaledtwidth = 780, |
| .hdelayx1 = 135, |
| .hactivex1 = 754, |
| .vdelay = 0x1a, |
| .vbipack = 144, |
| .sram = -1, |
| .vbistart = { 10, 273 }, |
| },{ |
| .v4l2_id = V4L2_STD_PAL_N, |
| .name = "PAL-N", |
| .Fsc = 35468950, |
| .swidth = 768, |
| .sheight = 576, |
| .totalwidth = 1135, |
| .adelay = 0x7f, |
| .bdelay = 0x72, |
| .iform = (BT848_IFORM_PAL_N|BT848_IFORM_XT1), |
| .scaledtwidth = 944, |
| .hdelayx1 = 186, |
| .hactivex1 = 922, |
| .vdelay = 0x20, |
| .vbipack = 144, |
| .sram = -1, |
| .vbistart = { 7, 320}, |
| },{ |
| .v4l2_id = V4L2_STD_NTSC_M_JP, |
| .name = "NTSC-JP", |
| .Fsc = 28636363, |
| .swidth = 640, |
| .sheight = 480, |
| .totalwidth = 910, |
| .adelay = 0x68, |
| .bdelay = 0x5d, |
| .iform = (BT848_IFORM_NTSC_J|BT848_IFORM_XT0), |
| .scaledtwidth = 780, |
| .hdelayx1 = 135, |
| .hactivex1 = 754, |
| .vdelay = 0x16, |
| .vbipack = 144, |
| .sram = -1, |
| .vbistart = {10, 273}, |
| },{ |
| /* that one hopefully works with the strange timing |
| * which video recorders produce when playing a NTSC |
| * tape on a PAL TV ... */ |
| .v4l2_id = V4L2_STD_PAL_60, |
| .name = "PAL-60", |
| .Fsc = 35468950, |
| .swidth = 924, |
| .sheight = 480, |
| .totalwidth = 1135, |
| .adelay = 0x7f, |
| .bdelay = 0x72, |
| .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), |
| .scaledtwidth = 1135, |
| .hdelayx1 = 186, |
| .hactivex1 = 924, |
| .vdelay = 0x1a, |
| .vbipack = 255, |
| .vtotal = 524, |
| .sram = -1, |
| .vbistart = { 10, 273 }, |
| } |
| }; |
| static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms); |
| |
| /* ----------------------------------------------------------------------- */ |
| /* bttv format list |
| packed pixel formats must come first */ |
| static const struct bttv_format bttv_formats[] = { |
| { |
| .name = "8 bpp, gray", |
| .palette = VIDEO_PALETTE_GREY, |
| .fourcc = V4L2_PIX_FMT_GREY, |
| .btformat = BT848_COLOR_FMT_Y8, |
| .depth = 8, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "8 bpp, dithered color", |
| .palette = VIDEO_PALETTE_HI240, |
| .fourcc = V4L2_PIX_FMT_HI240, |
| .btformat = BT848_COLOR_FMT_RGB8, |
| .depth = 8, |
| .flags = FORMAT_FLAGS_PACKED | FORMAT_FLAGS_DITHER, |
| },{ |
| .name = "15 bpp RGB, le", |
| .palette = VIDEO_PALETTE_RGB555, |
| .fourcc = V4L2_PIX_FMT_RGB555, |
| .btformat = BT848_COLOR_FMT_RGB15, |
| .depth = 16, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "15 bpp RGB, be", |
| .palette = -1, |
| .fourcc = V4L2_PIX_FMT_RGB555X, |
| .btformat = BT848_COLOR_FMT_RGB15, |
| .btswap = 0x03, /* byteswap */ |
| .depth = 16, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "16 bpp RGB, le", |
| .palette = VIDEO_PALETTE_RGB565, |
| .fourcc = V4L2_PIX_FMT_RGB565, |
| .btformat = BT848_COLOR_FMT_RGB16, |
| .depth = 16, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "16 bpp RGB, be", |
| .palette = -1, |
| .fourcc = V4L2_PIX_FMT_RGB565X, |
| .btformat = BT848_COLOR_FMT_RGB16, |
| .btswap = 0x03, /* byteswap */ |
| .depth = 16, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "24 bpp RGB, le", |
| .palette = VIDEO_PALETTE_RGB24, |
| .fourcc = V4L2_PIX_FMT_BGR24, |
| .btformat = BT848_COLOR_FMT_RGB24, |
| .depth = 24, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "32 bpp RGB, le", |
| .palette = VIDEO_PALETTE_RGB32, |
| .fourcc = V4L2_PIX_FMT_BGR32, |
| .btformat = BT848_COLOR_FMT_RGB32, |
| .depth = 32, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "32 bpp RGB, be", |
| .palette = -1, |
| .fourcc = V4L2_PIX_FMT_RGB32, |
| .btformat = BT848_COLOR_FMT_RGB32, |
| .btswap = 0x0f, /* byte+word swap */ |
| .depth = 32, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "4:2:2, packed, YUYV", |
| .palette = VIDEO_PALETTE_YUV422, |
| .fourcc = V4L2_PIX_FMT_YUYV, |
| .btformat = BT848_COLOR_FMT_YUY2, |
| .depth = 16, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "4:2:2, packed, YUYV", |
| .palette = VIDEO_PALETTE_YUYV, |
| .fourcc = V4L2_PIX_FMT_YUYV, |
| .btformat = BT848_COLOR_FMT_YUY2, |
| .depth = 16, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "4:2:2, packed, UYVY", |
| .palette = VIDEO_PALETTE_UYVY, |
| .fourcc = V4L2_PIX_FMT_UYVY, |
| .btformat = BT848_COLOR_FMT_YUY2, |
| .btswap = 0x03, /* byteswap */ |
| .depth = 16, |
| .flags = FORMAT_FLAGS_PACKED, |
| },{ |
| .name = "4:2:2, planar, Y-Cb-Cr", |
| .palette = VIDEO_PALETTE_YUV422P, |
| .fourcc = V4L2_PIX_FMT_YUV422P, |
| .btformat = BT848_COLOR_FMT_YCrCb422, |
| .depth = 16, |
| .flags = FORMAT_FLAGS_PLANAR, |
| .hshift = 1, |
| .vshift = 0, |
| },{ |
| .name = "4:2:0, planar, Y-Cb-Cr", |
| .palette = VIDEO_PALETTE_YUV420P, |
| .fourcc = V4L2_PIX_FMT_YUV420, |
| .btformat = BT848_COLOR_FMT_YCrCb422, |
| .depth = 12, |
| .flags = FORMAT_FLAGS_PLANAR, |
| .hshift = 1, |
| .vshift = 1, |
| },{ |
| .name = "4:2:0, planar, Y-Cr-Cb", |
| .palette = -1, |
| .fourcc = V4L2_PIX_FMT_YVU420, |
| .btformat = BT848_COLOR_FMT_YCrCb422, |
| .depth = 12, |
| .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, |
| .hshift = 1, |
| .vshift = 1, |
| },{ |
| .name = "4:1:1, planar, Y-Cb-Cr", |
| .palette = VIDEO_PALETTE_YUV411P, |
| .fourcc = V4L2_PIX_FMT_YUV411P, |
| .btformat = BT848_COLOR_FMT_YCrCb411, |
| .depth = 12, |
| .flags = FORMAT_FLAGS_PLANAR, |
| .hshift = 2, |
| .vshift = 0, |
| },{ |
| .name = "4:1:0, planar, Y-Cb-Cr", |
| .palette = VIDEO_PALETTE_YUV410P, |
| .fourcc = V4L2_PIX_FMT_YUV410, |
| .btformat = BT848_COLOR_FMT_YCrCb411, |
| .depth = 9, |
| .flags = FORMAT_FLAGS_PLANAR, |
| .hshift = 2, |
| .vshift = 2, |
| },{ |
| .name = "4:1:0, planar, Y-Cr-Cb", |
| .palette = -1, |
| .fourcc = V4L2_PIX_FMT_YVU410, |
| .btformat = BT848_COLOR_FMT_YCrCb411, |
| .depth = 9, |
| .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, |
| .hshift = 2, |
| .vshift = 2, |
| },{ |
| .name = "raw scanlines", |
| .palette = VIDEO_PALETTE_RAW, |
| .fourcc = -1, |
| .btformat = BT848_COLOR_FMT_RAW, |
| .depth = 8, |
| .flags = FORMAT_FLAGS_RAW, |
| } |
| }; |
| static const unsigned int BTTV_FORMATS = ARRAY_SIZE(bttv_formats); |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| #define V4L2_CID_PRIVATE_CHROMA_AGC (V4L2_CID_PRIVATE_BASE + 0) |
| #define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_PRIVATE_BASE + 1) |
| #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 2) |
| #define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_PRIVATE_BASE + 3) |
| #define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_PRIVATE_BASE + 4) |
| #define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_PRIVATE_BASE + 5) |
| #define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_PRIVATE_BASE + 6) |
| #define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_PRIVATE_BASE + 7) |
| #define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_PRIVATE_BASE + 8) |
| #define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_PRIVATE_BASE + 9) |
| #define V4L2_CID_PRIVATE_CORING (V4L2_CID_PRIVATE_BASE + 10) |
| #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 11) |
| |
| static const struct v4l2_queryctrl no_ctl = { |
| .name = "42", |
| .flags = V4L2_CTRL_FLAG_DISABLED, |
| }; |
| static const struct v4l2_queryctrl bttv_ctls[] = { |
| /* --- video --- */ |
| { |
| .id = V4L2_CID_BRIGHTNESS, |
| .name = "Brightness", |
| .minimum = 0, |
| .maximum = 65535, |
| .step = 256, |
| .default_value = 32768, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| },{ |
| .id = V4L2_CID_CONTRAST, |
| .name = "Contrast", |
| .minimum = 0, |
| .maximum = 65535, |
| .step = 128, |
| .default_value = 32768, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| },{ |
| .id = V4L2_CID_SATURATION, |
| .name = "Saturation", |
| .minimum = 0, |
| .maximum = 65535, |
| .step = 128, |
| .default_value = 32768, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| },{ |
| .id = V4L2_CID_HUE, |
| .name = "Hue", |
| .minimum = 0, |
| .maximum = 65535, |
| .step = 256, |
| .default_value = 32768, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| }, |
| /* --- audio --- */ |
| { |
| .id = V4L2_CID_AUDIO_MUTE, |
| .name = "Mute", |
| .minimum = 0, |
| .maximum = 1, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| },{ |
| .id = V4L2_CID_AUDIO_VOLUME, |
| .name = "Volume", |
| .minimum = 0, |
| .maximum = 65535, |
| .step = 65535/100, |
| .default_value = 65535, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| },{ |
| .id = V4L2_CID_AUDIO_BALANCE, |
| .name = "Balance", |
| .minimum = 0, |
| .maximum = 65535, |
| .step = 65535/100, |
| .default_value = 32768, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| },{ |
| .id = V4L2_CID_AUDIO_BASS, |
| .name = "Bass", |
| .minimum = 0, |
| .maximum = 65535, |
| .step = 65535/100, |
| .default_value = 32768, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| },{ |
| .id = V4L2_CID_AUDIO_TREBLE, |
| .name = "Treble", |
| .minimum = 0, |
| .maximum = 65535, |
| .step = 65535/100, |
| .default_value = 32768, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| }, |
| /* --- private --- */ |
| { |
| .id = V4L2_CID_PRIVATE_CHROMA_AGC, |
| .name = "chroma agc", |
| .minimum = 0, |
| .maximum = 1, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| },{ |
| .id = V4L2_CID_PRIVATE_COMBFILTER, |
| .name = "combfilter", |
| .minimum = 0, |
| .maximum = 1, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| },{ |
| .id = V4L2_CID_PRIVATE_AUTOMUTE, |
| .name = "automute", |
| .minimum = 0, |
| .maximum = 1, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| },{ |
| .id = V4L2_CID_PRIVATE_LUMAFILTER, |
| .name = "luma decimation filter", |
| .minimum = 0, |
| .maximum = 1, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| },{ |
| .id = V4L2_CID_PRIVATE_AGC_CRUSH, |
| .name = "agc crush", |
| .minimum = 0, |
| .maximum = 1, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| },{ |
| .id = V4L2_CID_PRIVATE_VCR_HACK, |
| .name = "vcr hack", |
| .minimum = 0, |
| .maximum = 1, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| },{ |
| .id = V4L2_CID_PRIVATE_WHITECRUSH_UPPER, |
| .name = "whitecrush upper", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| .default_value = 0xCF, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| },{ |
| .id = V4L2_CID_PRIVATE_WHITECRUSH_LOWER, |
| .name = "whitecrush lower", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| .default_value = 0x7F, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| },{ |
| .id = V4L2_CID_PRIVATE_UV_RATIO, |
| .name = "uv ratio", |
| .minimum = 0, |
| .maximum = 100, |
| .step = 1, |
| .default_value = 50, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| },{ |
| .id = V4L2_CID_PRIVATE_FULL_LUMA_RANGE, |
| .name = "full luma range", |
| .minimum = 0, |
| .maximum = 1, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| },{ |
| .id = V4L2_CID_PRIVATE_CORING, |
| .name = "coring", |
| .minimum = 0, |
| .maximum = 3, |
| .step = 1, |
| .default_value = 0, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| } |
| |
| |
| |
| }; |
| static const int BTTV_CTLS = ARRAY_SIZE(bttv_ctls); |
| |
| /* ----------------------------------------------------------------------- */ |
| /* resource management */ |
| |
| static |
| int check_alloc_btres(struct bttv *btv, struct bttv_fh *fh, int bit) |
| { |
| if (fh->resources & bit) |
| /* have it already allocated */ |
| return 1; |
| |
| /* is it free? */ |
| mutex_lock(&btv->reslock); |
| if (btv->resources & bit) { |
| /* no, someone else uses it */ |
| mutex_unlock(&btv->reslock); |
| return 0; |
| } |
| /* it's free, grab it */ |
| fh->resources |= bit; |
| btv->resources |= bit; |
| mutex_unlock(&btv->reslock); |
| return 1; |
| } |
| |
| static |
| int check_btres(struct bttv_fh *fh, int bit) |
| { |
| return (fh->resources & bit); |
| } |
| |
| static |
| int locked_btres(struct bttv *btv, int bit) |
| { |
| return (btv->resources & bit); |
| } |
| |
| static |
| void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits) |
| { |
| if ((fh->resources & bits) != bits) { |
| /* trying to free ressources not allocated by us ... */ |
| printk("bttv: BUG! (btres)\n"); |
| } |
| mutex_lock(&btv->reslock); |
| fh->resources &= ~bits; |
| btv->resources &= ~bits; |
| mutex_unlock(&btv->reslock); |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| /* If Bt848a or Bt849, use PLL for PAL/SECAM and crystal for NTSC */ |
| |
| /* Frequency = (F_input / PLL_X) * PLL_I.PLL_F/PLL_C |
| PLL_X = Reference pre-divider (0=1, 1=2) |
| PLL_C = Post divider (0=6, 1=4) |
| PLL_I = Integer input |
| PLL_F = Fractional input |
| |
| F_input = 28.636363 MHz: |
| PAL (CLKx2 = 35.46895 MHz): PLL_X = 1, PLL_I = 0x0E, PLL_F = 0xDCF9, PLL_C = 0 |
| */ |
| |
| static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout) |
| { |
| unsigned char fl, fh, fi; |
| |
| /* prevent overflows */ |
| fin/=4; |
| fout/=4; |
| |
| fout*=12; |
| fi=fout/fin; |
| |
| fout=(fout%fin)*256; |
| fh=fout/fin; |
| |
| fout=(fout%fin)*256; |
| fl=fout/fin; |
| |
| btwrite(fl, BT848_PLL_F_LO); |
| btwrite(fh, BT848_PLL_F_HI); |
| btwrite(fi|BT848_PLL_X, BT848_PLL_XCI); |
| } |
| |
| static void set_pll(struct bttv *btv) |
| { |
| int i; |
| |
| if (!btv->pll.pll_crystal) |
| return; |
| |
| if (btv->pll.pll_ofreq == btv->pll.pll_current) { |
| dprintk("bttv%d: PLL: no change required\n",btv->c.nr); |
| return; |
| } |
| |
| if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) { |
| /* no PLL needed */ |
| if (btv->pll.pll_current == 0) |
| return; |
| bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n", |
| btv->c.nr,btv->pll.pll_ifreq); |
| btwrite(0x00,BT848_TGCTRL); |
| btwrite(0x00,BT848_PLL_XCI); |
| btv->pll.pll_current = 0; |
| return; |
| } |
| |
| bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr, |
| btv->pll.pll_ifreq, btv->pll.pll_ofreq); |
| set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq); |
| |
| for (i=0; i<10; i++) { |
| /* Let other people run while the PLL stabilizes */ |
| bttv_printk("."); |
| msleep(10); |
| |
| if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) { |
| btwrite(0,BT848_DSTATUS); |
| } else { |
| btwrite(0x08,BT848_TGCTRL); |
| btv->pll.pll_current = btv->pll.pll_ofreq; |
| bttv_printk(" ok\n"); |
| return; |
| } |
| } |
| btv->pll.pll_current = -1; |
| bttv_printk("failed\n"); |
| return; |
| } |
| |
| /* used to switch between the bt848's analog/digital video capture modes */ |
| static void bt848A_set_timing(struct bttv *btv) |
| { |
| int i, len; |
| int table_idx = bttv_tvnorms[btv->tvnorm].sram; |
| int fsc = bttv_tvnorms[btv->tvnorm].Fsc; |
| |
| if (UNSET == bttv_tvcards[btv->c.type].muxsel[btv->input]) { |
| dprintk("bttv%d: load digital timing table (table_idx=%d)\n", |
| btv->c.nr,table_idx); |
| |
| /* timing change...reset timing generator address */ |
| btwrite(0x00, BT848_TGCTRL); |
| btwrite(0x02, BT848_TGCTRL); |
| btwrite(0x00, BT848_TGCTRL); |
| |
| len=SRAM_Table[table_idx][0]; |
| for(i = 1; i <= len; i++) |
| btwrite(SRAM_Table[table_idx][i],BT848_TGLB); |
| btv->pll.pll_ofreq = 27000000; |
| |
| set_pll(btv); |
| btwrite(0x11, BT848_TGCTRL); |
| btwrite(0x41, BT848_DVSIF); |
| } else { |
| btv->pll.pll_ofreq = fsc; |
| set_pll(btv); |
| btwrite(0x0, BT848_DVSIF); |
| } |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static void bt848_bright(struct bttv *btv, int bright) |
| { |
| int value; |
| |
| // printk("bttv: set bright: %d\n",bright); // DEBUG |
| btv->bright = bright; |
| |
| /* We want -128 to 127 we get 0-65535 */ |
| value = (bright >> 8) - 128; |
| btwrite(value & 0xff, BT848_BRIGHT); |
| } |
| |
| static void bt848_hue(struct bttv *btv, int hue) |
| { |
| int value; |
| |
| btv->hue = hue; |
| |
| /* -128 to 127 */ |
| value = (hue >> 8) - 128; |
| btwrite(value & 0xff, BT848_HUE); |
| } |
| |
| static void bt848_contrast(struct bttv *btv, int cont) |
| { |
| int value,hibit; |
| |
| btv->contrast = cont; |
| |
| /* 0-511 */ |
| value = (cont >> 7); |
| hibit = (value >> 6) & 4; |
| btwrite(value & 0xff, BT848_CONTRAST_LO); |
| btaor(hibit, ~4, BT848_E_CONTROL); |
| btaor(hibit, ~4, BT848_O_CONTROL); |
| } |
| |
| static void bt848_sat(struct bttv *btv, int color) |
| { |
| int val_u,val_v,hibits; |
| |
| btv->saturation = color; |
| |
| /* 0-511 for the color */ |
| val_u = ((color * btv->opt_uv_ratio) / 50) >> 7; |
| val_v = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254; |
| hibits = (val_u >> 7) & 2; |
| hibits |= (val_v >> 8) & 1; |
| btwrite(val_u & 0xff, BT848_SAT_U_LO); |
| btwrite(val_v & 0xff, BT848_SAT_V_LO); |
| btaor(hibits, ~3, BT848_E_CONTROL); |
| btaor(hibits, ~3, BT848_O_CONTROL); |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static int |
| video_mux(struct bttv *btv, unsigned int input) |
| { |
| int mux,mask2; |
| |
| if (input >= bttv_tvcards[btv->c.type].video_inputs) |
| return -EINVAL; |
| |
| /* needed by RemoteVideo MX */ |
| mask2 = bttv_tvcards[btv->c.type].gpiomask2; |
| if (mask2) |
| gpio_inout(mask2,mask2); |
| |
| if (input == btv->svhs) { |
| btor(BT848_CONTROL_COMP, BT848_E_CONTROL); |
| btor(BT848_CONTROL_COMP, BT848_O_CONTROL); |
| } else { |
| btand(~BT848_CONTROL_COMP, BT848_E_CONTROL); |
| btand(~BT848_CONTROL_COMP, BT848_O_CONTROL); |
| } |
| mux = bttv_tvcards[btv->c.type].muxsel[input] & 3; |
| btaor(mux<<5, ~(3<<5), BT848_IFORM); |
| dprintk(KERN_DEBUG "bttv%d: video mux: input=%d mux=%d\n", |
| btv->c.nr,input,mux); |
| |
| /* card specific hook */ |
| if(bttv_tvcards[btv->c.type].muxsel_hook) |
| bttv_tvcards[btv->c.type].muxsel_hook (btv, input); |
| return 0; |
| } |
| |
| static char *audio_modes[] = { |
| "audio: tuner", "audio: radio", "audio: extern", |
| "audio: intern", "audio: mute" |
| }; |
| |
| static int |
| audio_mux(struct bttv *btv, int input, int mute) |
| { |
| int gpio_val, signal; |
| struct v4l2_control ctrl; |
| struct i2c_client *c; |
| |
| gpio_inout(bttv_tvcards[btv->c.type].gpiomask, |
| bttv_tvcards[btv->c.type].gpiomask); |
| signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC; |
| |
| btv->mute = mute; |
| btv->audio = input; |
| |
| /* automute */ |
| mute = mute || (btv->opt_automute && !signal && !btv->radio_user); |
| |
| if (mute) |
| gpio_val = bttv_tvcards[btv->c.type].gpiomute; |
| else |
| gpio_val = bttv_tvcards[btv->c.type].gpiomux[input]; |
| |
| gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val); |
| if (bttv_gpio) |
| bttv_gpio_tracking(btv, audio_modes[mute ? 4 : input]); |
| if (in_interrupt()) |
| return 0; |
| |
| ctrl.id = V4L2_CID_AUDIO_MUTE; |
| ctrl.value = btv->mute; |
| bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, &ctrl); |
| c = btv->i2c_msp34xx_client; |
| if (c) { |
| struct v4l2_routing route; |
| |
| /* Note: the inputs tuner/radio/extern/intern are translated |
| to msp routings. This assumes common behavior for all msp3400 |
| based TV cards. When this assumption fails, then the |
| specific MSP routing must be added to the card table. |
| For now this is sufficient. */ |
| switch (input) { |
| case TVAUDIO_INPUT_RADIO: |
| route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1, |
| MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); |
| break; |
| case TVAUDIO_INPUT_EXTERN: |
| route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1, |
| MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); |
| break; |
| case TVAUDIO_INPUT_INTERN: |
| /* Yes, this is the same input as for RADIO. I doubt |
| if this is ever used. The only board with an INTERN |
| input is the BTTV_BOARD_AVERMEDIA98. I wonder how |
| that was tested. My guess is that the whole INTERN |
| input does not work. */ |
| route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1, |
| MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); |
| break; |
| case TVAUDIO_INPUT_TUNER: |
| default: |
| route.input = MSP_INPUT_DEFAULT; |
| break; |
| } |
| route.output = MSP_OUTPUT_DEFAULT; |
| c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route); |
| } |
| c = btv->i2c_tvaudio_client; |
| if (c) { |
| struct v4l2_routing route; |
| |
| route.input = input; |
| route.output = 0; |
| c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route); |
| } |
| return 0; |
| } |
| |
| static inline int |
| audio_mute(struct bttv *btv, int mute) |
| { |
| return audio_mux(btv, btv->audio, mute); |
| } |
| |
| static inline int |
| audio_input(struct bttv *btv, int input) |
| { |
| return audio_mux(btv, input, btv->mute); |
| } |
| |
| static void |
| i2c_vidiocschan(struct bttv *btv) |
| { |
| v4l2_std_id std = bttv_tvnorms[btv->tvnorm].v4l2_id; |
| |
| bttv_call_i2c_clients(btv, VIDIOC_S_STD, &std); |
| if (btv->c.type == BTTV_BOARD_VOODOOTV_FM) |
| bttv_tda9880_setnorm(btv,btv->tvnorm); |
| } |
| |
| static int |
| set_tvnorm(struct bttv *btv, unsigned int norm) |
| { |
| const struct bttv_tvnorm *tvnorm; |
| |
| if (norm < 0 || norm >= BTTV_TVNORMS) |
| return -EINVAL; |
| |
| btv->tvnorm = norm; |
| tvnorm = &bttv_tvnorms[norm]; |
| |
| btwrite(tvnorm->adelay, BT848_ADELAY); |
| btwrite(tvnorm->bdelay, BT848_BDELAY); |
| btaor(tvnorm->iform,~(BT848_IFORM_NORM|BT848_IFORM_XTBOTH), |
| BT848_IFORM); |
| btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE); |
| btwrite(1, BT848_VBI_PACK_DEL); |
| bt848A_set_timing(btv); |
| |
| switch (btv->c.type) { |
| case BTTV_BOARD_VOODOOTV_FM: |
| bttv_tda9880_setnorm(btv,norm); |
| break; |
| } |
| return 0; |
| } |
| |
| static void |
| set_input(struct bttv *btv, unsigned int input) |
| { |
| unsigned long flags; |
| |
| btv->input = input; |
| if (irq_iswitch) { |
| spin_lock_irqsave(&btv->s_lock,flags); |
| if (btv->curr.frame_irq) { |
| /* active capture -> delayed input switch */ |
| btv->new_input = input; |
| } else { |
| video_mux(btv,input); |
| } |
| spin_unlock_irqrestore(&btv->s_lock,flags); |
| } else { |
| video_mux(btv,input); |
| } |
| audio_input(btv,(input == bttv_tvcards[btv->c.type].tuner ? |
| TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN)); |
| set_tvnorm(btv,btv->tvnorm); |
| i2c_vidiocschan(btv); |
| } |
| |
| static void init_irqreg(struct bttv *btv) |
| { |
| /* clear status */ |
| btwrite(0xfffffUL, BT848_INT_STAT); |
| |
| if (bttv_tvcards[btv->c.type].no_video) { |
| /* i2c only */ |
| btwrite(BT848_INT_I2CDONE, |
| BT848_INT_MASK); |
| } else { |
| /* full video */ |
| btwrite((btv->triton1) | |
| (btv->gpioirq ? BT848_INT_GPINT : 0) | |
| BT848_INT_SCERR | |
| (fdsr ? BT848_INT_FDSR : 0) | |
| BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES| |
| BT848_INT_FMTCHG|BT848_INT_HLOCK| |
| BT848_INT_I2CDONE, |
| BT848_INT_MASK); |
| } |
| } |
| |
| static void init_bt848(struct bttv *btv) |
| { |
| int val; |
| |
| if (bttv_tvcards[btv->c.type].no_video) { |
| /* very basic init only */ |
| init_irqreg(btv); |
| return; |
| } |
| |
| btwrite(0x00, BT848_CAP_CTL); |
| btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL); |
| btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM); |
| |
| /* set planar and packed mode trigger points and */ |
| /* set rising edge of inverted GPINTR pin as irq trigger */ |
| btwrite(BT848_GPIO_DMA_CTL_PKTP_32| |
| BT848_GPIO_DMA_CTL_PLTP1_16| |
| BT848_GPIO_DMA_CTL_PLTP23_16| |
| BT848_GPIO_DMA_CTL_GPINTC| |
| BT848_GPIO_DMA_CTL_GPINTI, |
| BT848_GPIO_DMA_CTL); |
| |
| val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; |
| btwrite(val, BT848_E_SCLOOP); |
| btwrite(val, BT848_O_SCLOOP); |
| |
| btwrite(0x20, BT848_E_VSCALE_HI); |
| btwrite(0x20, BT848_O_VSCALE_HI); |
| btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), |
| BT848_ADC); |
| |
| btwrite(whitecrush_upper, BT848_WC_UP); |
| btwrite(whitecrush_lower, BT848_WC_DOWN); |
| |
| if (btv->opt_lumafilter) { |
| btwrite(0, BT848_E_CONTROL); |
| btwrite(0, BT848_O_CONTROL); |
| } else { |
| btwrite(BT848_CONTROL_LDEC, BT848_E_CONTROL); |
| btwrite(BT848_CONTROL_LDEC, BT848_O_CONTROL); |
| } |
| |
| bt848_bright(btv, btv->bright); |
| bt848_hue(btv, btv->hue); |
| bt848_contrast(btv, btv->contrast); |
| bt848_sat(btv, btv->saturation); |
| |
| /* interrupt */ |
| init_irqreg(btv); |
| } |
| |
| static void bttv_reinit_bt848(struct bttv *btv) |
| { |
| unsigned long flags; |
| |
| if (bttv_verbose) |
| printk(KERN_INFO "bttv%d: reset, reinitialize\n",btv->c.nr); |
| spin_lock_irqsave(&btv->s_lock,flags); |
| btv->errors=0; |
| bttv_set_dma(btv,0); |
| spin_unlock_irqrestore(&btv->s_lock,flags); |
| |
| init_bt848(btv); |
| btv->pll.pll_current = -1; |
| set_input(btv,btv->input); |
| } |
| |
| static int get_control(struct bttv *btv, struct v4l2_control *c) |
| { |
| struct video_audio va; |
| int i; |
| |
| for (i = 0; i < BTTV_CTLS; i++) |
| if (bttv_ctls[i].id == c->id) |
| break; |
| if (i == BTTV_CTLS) |
| return -EINVAL; |
| if (btv->audio_hook && i >= 4 && i <= 8) { |
| memset(&va,0,sizeof(va)); |
| btv->audio_hook(btv,&va,0); |
| switch (c->id) { |
| case V4L2_CID_AUDIO_MUTE: |
| c->value = (VIDEO_AUDIO_MUTE & va.flags) ? 1 : 0; |
| break; |
| case V4L2_CID_AUDIO_VOLUME: |
| c->value = va.volume; |
| break; |
| case V4L2_CID_AUDIO_BALANCE: |
| c->value = va.balance; |
| break; |
| case V4L2_CID_AUDIO_BASS: |
| c->value = va.bass; |
| break; |
| case V4L2_CID_AUDIO_TREBLE: |
| c->value = va.treble; |
| break; |
| } |
| return 0; |
| } |
| switch (c->id) { |
| case V4L2_CID_BRIGHTNESS: |
| c->value = btv->bright; |
| break; |
| case V4L2_CID_HUE: |
| c->value = btv->hue; |
| break; |
| case V4L2_CID_CONTRAST: |
| c->value = btv->contrast; |
| break; |
| case V4L2_CID_SATURATION: |
| c->value = btv->saturation; |
| break; |
| |
| case V4L2_CID_AUDIO_MUTE: |
| case V4L2_CID_AUDIO_VOLUME: |
| case V4L2_CID_AUDIO_BALANCE: |
| case V4L2_CID_AUDIO_BASS: |
| case V4L2_CID_AUDIO_TREBLE: |
| bttv_call_i2c_clients(btv,VIDIOC_G_CTRL,c); |
| break; |
| |
| case V4L2_CID_PRIVATE_CHROMA_AGC: |
| c->value = btv->opt_chroma_agc; |
| break; |
| case V4L2_CID_PRIVATE_COMBFILTER: |
| c->value = btv->opt_combfilter; |
| break; |
| case V4L2_CID_PRIVATE_LUMAFILTER: |
| c->value = btv->opt_lumafilter; |
| break; |
| case V4L2_CID_PRIVATE_AUTOMUTE: |
| c->value = btv->opt_automute; |
| break; |
| case V4L2_CID_PRIVATE_AGC_CRUSH: |
| c->value = btv->opt_adc_crush; |
| break; |
| case V4L2_CID_PRIVATE_VCR_HACK: |
| c->value = btv->opt_vcr_hack; |
| break; |
| case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: |
| c->value = btv->opt_whitecrush_upper; |
| break; |
| case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: |
| c->value = btv->opt_whitecrush_lower; |
| break; |
| case V4L2_CID_PRIVATE_UV_RATIO: |
| c->value = btv->opt_uv_ratio; |
| break; |
| case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: |
| c->value = btv->opt_full_luma_range; |
| break; |
| case V4L2_CID_PRIVATE_CORING: |
| c->value = btv->opt_coring; |
| break; |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int set_control(struct bttv *btv, struct v4l2_control *c) |
| { |
| struct video_audio va; |
| int i,val; |
| |
| for (i = 0; i < BTTV_CTLS; i++) |
| if (bttv_ctls[i].id == c->id) |
| break; |
| if (i == BTTV_CTLS) |
| return -EINVAL; |
| if (btv->audio_hook && i >= 4 && i <= 8) { |
| memset(&va,0,sizeof(va)); |
| btv->audio_hook(btv,&va,0); |
| switch (c->id) { |
| case V4L2_CID_AUDIO_MUTE: |
| if (c->value) { |
| va.flags |= VIDEO_AUDIO_MUTE; |
| audio_mute(btv, 1); |
| } else { |
| va.flags &= ~VIDEO_AUDIO_MUTE; |
| audio_mute(btv, 0); |
| } |
| break; |
| |
| case V4L2_CID_AUDIO_VOLUME: |
| va.volume = c->value; |
| break; |
| case V4L2_CID_AUDIO_BALANCE: |
| va.balance = c->value; |
| break; |
| case V4L2_CID_AUDIO_BASS: |
| va.bass = c->value; |
| break; |
| case V4L2_CID_AUDIO_TREBLE: |
| va.treble = c->value; |
| break; |
| } |
| btv->audio_hook(btv,&va,1); |
| return 0; |
| } |
| switch (c->id) { |
| case V4L2_CID_BRIGHTNESS: |
| bt848_bright(btv,c->value); |
| break; |
| case V4L2_CID_HUE: |
| bt848_hue(btv,c->value); |
| break; |
| case V4L2_CID_CONTRAST: |
| bt848_contrast(btv,c->value); |
| break; |
| case V4L2_CID_SATURATION: |
| bt848_sat(btv,c->value); |
| break; |
| case V4L2_CID_AUDIO_MUTE: |
| audio_mute(btv, c->value); |
| /* fall through */ |
| case V4L2_CID_AUDIO_VOLUME: |
| case V4L2_CID_AUDIO_BALANCE: |
| case V4L2_CID_AUDIO_BASS: |
| case V4L2_CID_AUDIO_TREBLE: |
| bttv_call_i2c_clients(btv,VIDIOC_S_CTRL,c); |
| break; |
| |
| case V4L2_CID_PRIVATE_CHROMA_AGC: |
| btv->opt_chroma_agc = c->value; |
| val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; |
| btwrite(val, BT848_E_SCLOOP); |
| btwrite(val, BT848_O_SCLOOP); |
| break; |
| case V4L2_CID_PRIVATE_COMBFILTER: |
| btv->opt_combfilter = c->value; |
| break; |
| case V4L2_CID_PRIVATE_LUMAFILTER: |
| btv->opt_lumafilter = c->value; |
| if (btv->opt_lumafilter) { |
| btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL); |
| btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL); |
| } else { |
| btor(BT848_CONTROL_LDEC, BT848_E_CONTROL); |
| btor(BT848_CONTROL_LDEC, BT848_O_CONTROL); |
| } |
| break; |
| case V4L2_CID_PRIVATE_AUTOMUTE: |
| btv->opt_automute = c->value; |
| break; |
| case V4L2_CID_PRIVATE_AGC_CRUSH: |
| btv->opt_adc_crush = c->value; |
| btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), |
| BT848_ADC); |
| break; |
| case V4L2_CID_PRIVATE_VCR_HACK: |
| btv->opt_vcr_hack = c->value; |
| break; |
| case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: |
| btv->opt_whitecrush_upper = c->value; |
| btwrite(c->value, BT848_WC_UP); |
| break; |
| case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: |
| btv->opt_whitecrush_lower = c->value; |
| btwrite(c->value, BT848_WC_DOWN); |
| break; |
| case V4L2_CID_PRIVATE_UV_RATIO: |
| btv->opt_uv_ratio = c->value; |
| bt848_sat(btv, btv->saturation); |
| break; |
| case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: |
| btv->opt_full_luma_range = c->value; |
| btaor((c->value<<7), ~BT848_OFORM_RANGE, BT848_OFORM); |
| break; |
| case V4L2_CID_PRIVATE_CORING: |
| btv->opt_coring = c->value; |
| btaor((c->value<<5), ~BT848_OFORM_CORE32, BT848_OFORM); |
| break; |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| void bttv_gpio_tracking(struct bttv *btv, char *comment) |
| { |
| unsigned int outbits, data; |
| outbits = btread(BT848_GPIO_OUT_EN); |
| data = btread(BT848_GPIO_DATA); |
| printk(KERN_DEBUG "bttv%d: gpio: en=%08x, out=%08x in=%08x [%s]\n", |
| btv->c.nr,outbits,data & outbits, data & ~outbits, comment); |
| } |
| |
| static void bttv_field_count(struct bttv *btv) |
| { |
| int need_count = 0; |
| |
| if (btv->users) |
| need_count++; |
| |
| if (need_count) { |
| /* start field counter */ |
| btor(BT848_INT_VSYNC,BT848_INT_MASK); |
| } else { |
| /* stop field counter */ |
| btand(~BT848_INT_VSYNC,BT848_INT_MASK); |
| btv->field_count = 0; |
| } |
| } |
| |
| static const struct bttv_format* |
| format_by_palette(int palette) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < BTTV_FORMATS; i++) { |
| if (-1 == bttv_formats[i].palette) |
| continue; |
| if (bttv_formats[i].palette == palette) |
| return bttv_formats+i; |
| } |
| return NULL; |
| } |
| |
| static const struct bttv_format* |
| format_by_fourcc(int fourcc) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < BTTV_FORMATS; i++) { |
| if (-1 == bttv_formats[i].fourcc) |
| continue; |
| if (bttv_formats[i].fourcc == fourcc) |
| return bttv_formats+i; |
| } |
| return NULL; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| /* misc helpers */ |
| |
| static int |
| bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh, |
| struct bttv_buffer *new) |
| { |
| struct bttv_buffer *old; |
| unsigned long flags; |
| int retval = 0; |
| |
| dprintk("switch_overlay: enter [new=%p]\n",new); |
| if (new) |
| new->vb.state = STATE_DONE; |
| spin_lock_irqsave(&btv->s_lock,flags); |
| old = btv->screen; |
| btv->screen = new; |
| btv->loop_irq |= 1; |
| bttv_set_dma(btv, 0x03); |
| spin_unlock_irqrestore(&btv->s_lock,flags); |
| if (NULL == new) |
| free_btres(btv,fh,RESOURCE_OVERLAY); |
| if (NULL != old) { |
| dprintk("switch_overlay: old=%p state is %d\n",old,old->vb.state); |
| bttv_dma_free(&fh->cap,btv, old); |
| kfree(old); |
| } |
| dprintk("switch_overlay: done\n"); |
| return retval; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| /* video4linux (1) interface */ |
| |
| static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv, |
| struct bttv_buffer *buf, |
| const struct bttv_format *fmt, |
| unsigned int width, unsigned int height, |
| enum v4l2_field field) |
| { |
| int redo_dma_risc = 0; |
| int rc; |
| |
| /* check settings */ |
| if (NULL == fmt) |
| return -EINVAL; |
| if (fmt->btformat == BT848_COLOR_FMT_RAW) { |
| width = RAW_BPL; |
| height = RAW_LINES*2; |
| if (width*height > buf->vb.bsize) |
| return -EINVAL; |
| buf->vb.size = buf->vb.bsize; |
| } else { |
| if (width < 48 || |
| height < 32 || |
| width > bttv_tvnorms[btv->tvnorm].swidth || |
| height > bttv_tvnorms[btv->tvnorm].sheight) |
| return -EINVAL; |
| buf->vb.size = (width * height * fmt->depth) >> 3; |
| if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
| return -EINVAL; |
| } |
| |
| /* alloc + fill struct bttv_buffer (if changed) */ |
| if (buf->vb.width != width || buf->vb.height != height || |
| buf->vb.field != field || |
| buf->tvnorm != btv->tvnorm || buf->fmt != fmt) { |
| buf->vb.width = width; |
| buf->vb.height = height; |
| buf->vb.field = field; |
| buf->tvnorm = btv->tvnorm; |
| buf->fmt = fmt; |
| redo_dma_risc = 1; |
| } |
| |
| /* alloc risc memory */ |
| if (STATE_NEEDS_INIT == buf->vb.state) { |
| redo_dma_risc = 1; |
| if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf))) |
| goto fail; |
| } |
| |
| if (redo_dma_risc) |
| if (0 != (rc = bttv_buffer_risc(btv,buf))) |
| goto fail; |
| |
| buf->vb.state = STATE_PREPARED; |
| return 0; |
| |
| fail: |
| bttv_dma_free(q,btv,buf); |
| return rc; |
| } |
| |
| static int |
| buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) |
| { |
| struct bttv_fh *fh = q->priv_data; |
| |
| *size = fh->fmt->depth*fh->width*fh->height >> 3; |
| if (0 == *count) |
| *count = gbuffers; |
| while (*size * *count > gbuffers * gbufsize) |
| (*count)--; |
| return 0; |
| } |
| |
| static int |
| buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, |
| enum v4l2_field field) |
| { |
| struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); |
| struct bttv_fh *fh = q->priv_data; |
| |
| return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt, |
| fh->width, fh->height, field); |
| } |
| |
| static void |
| buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) |
| { |
| struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); |
| struct bttv_fh *fh = q->priv_data; |
| struct bttv *btv = fh->btv; |
| |
| buf->vb.state = STATE_QUEUED; |
| list_add_tail(&buf->vb.queue,&btv->capture); |
| if (!btv->curr.frame_irq) { |
| btv->loop_irq |= 1; |
| bttv_set_dma(btv, 0x03); |
| } |
| } |
| |
| static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) |
| { |
| struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); |
| struct bttv_fh *fh = q->priv_data; |
| |
| bttv_dma_free(&fh->cap,fh->btv,buf); |
| } |
| |
| static struct videobuf_queue_ops bttv_video_qops = { |
| .buf_setup = buffer_setup, |
| .buf_prepare = buffer_prepare, |
| .buf_queue = buffer_queue, |
| .buf_release = buffer_release, |
| }; |
| |
| static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg) |
| { |
| switch (cmd) { |
| case BTTV_VERSION: |
| return BTTV_VERSION_CODE; |
| |
| /* *** v4l1 *** ************************************************ */ |
| case VIDIOCGFREQ: |
| { |
| unsigned long *freq = arg; |
| *freq = btv->freq; |
| return 0; |
| } |
| case VIDIOCSFREQ: |
| { |
| struct v4l2_frequency freq; |
| |
| memset(&freq, 0, sizeof(freq)); |
| freq.frequency = *(unsigned long *)arg; |
| mutex_lock(&btv->lock); |
| freq.type = btv->radio_user ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
| btv->freq = *(unsigned long *)arg; |
| bttv_call_i2c_clients(btv,VIDIOC_S_FREQUENCY,&freq); |
| if (btv->has_matchbox && btv->radio_user) |
| tea5757_set_freq(btv,*(unsigned long *)arg); |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| |
| case VIDIOCGTUNER: |
| { |
| struct video_tuner *v = arg; |
| |
| if (UNSET == bttv_tvcards[btv->c.type].tuner) |
| return -EINVAL; |
| if (v->tuner) /* Only tuner 0 */ |
| return -EINVAL; |
| strcpy(v->name, "Television"); |
| v->rangelow = 0; |
| v->rangehigh = 0x7FFFFFFF; |
| v->flags = VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM; |
| v->mode = btv->tvnorm; |
| v->signal = (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) ? 0xFFFF : 0; |
| bttv_call_i2c_clients(btv,cmd,v); |
| return 0; |
| } |
| case VIDIOCSTUNER: |
| { |
| struct video_tuner *v = arg; |
| |
| if (v->tuner) /* Only tuner 0 */ |
| return -EINVAL; |
| if (v->mode >= BTTV_TVNORMS) |
| return -EINVAL; |
| |
| mutex_lock(&btv->lock); |
| set_tvnorm(btv,v->mode); |
| bttv_call_i2c_clients(btv,cmd,v); |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| |
| case VIDIOCGCHAN: |
| { |
| struct video_channel *v = arg; |
| unsigned int channel = v->channel; |
| |
| if (channel >= bttv_tvcards[btv->c.type].video_inputs) |
| return -EINVAL; |
| v->tuners=0; |
| v->flags = VIDEO_VC_AUDIO; |
| v->type = VIDEO_TYPE_CAMERA; |
| v->norm = btv->tvnorm; |
| if (channel == bttv_tvcards[btv->c.type].tuner) { |
| strcpy(v->name,"Television"); |
| v->flags|=VIDEO_VC_TUNER; |
| v->type=VIDEO_TYPE_TV; |
| v->tuners=1; |
| } else if (channel == btv->svhs) { |
| strcpy(v->name,"S-Video"); |
| } else { |
| sprintf(v->name,"Composite%d",channel); |
| } |
| return 0; |
| } |
| case VIDIOCSCHAN: |
| { |
| struct video_channel *v = arg; |
| unsigned int channel = v->channel; |
| |
| if (channel >= bttv_tvcards[btv->c.type].video_inputs) |
| return -EINVAL; |
| if (v->norm >= BTTV_TVNORMS) |
| return -EINVAL; |
| |
| mutex_lock(&btv->lock); |
| if (channel == btv->input && |
| v->norm == btv->tvnorm) { |
| /* nothing to do */ |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| |
| btv->tvnorm = v->norm; |
| set_input(btv,v->channel); |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| |
| case VIDIOCGAUDIO: |
| { |
| struct video_audio *v = arg; |
| |
| memset(v,0,sizeof(*v)); |
| strcpy(v->name,"Television"); |
| v->flags |= VIDEO_AUDIO_MUTABLE; |
| v->mode = VIDEO_SOUND_MONO; |
| |
| mutex_lock(&btv->lock); |
| bttv_call_i2c_clients(btv,cmd,v); |
| |
| /* card specific hooks */ |
| if (btv->audio_hook) |
| btv->audio_hook(btv,v,0); |
| |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| case VIDIOCSAUDIO: |
| { |
| struct video_audio *v = arg; |
| unsigned int audio = v->audio; |
| |
| if (audio >= bttv_tvcards[btv->c.type].audio_inputs) |
| return -EINVAL; |
| |
| mutex_lock(&btv->lock); |
| audio_mute(btv, (v->flags&VIDEO_AUDIO_MUTE) ? 1 : 0); |
| bttv_call_i2c_clients(btv,cmd,v); |
| |
| /* card specific hooks */ |
| if (btv->audio_hook) |
| btv->audio_hook(btv,v,1); |
| |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| |
| /* *** v4l2 *** ************************************************ */ |
| case VIDIOC_ENUMSTD: |
| { |
| struct v4l2_standard *e = arg; |
| unsigned int index = e->index; |
| |
| if (index >= BTTV_TVNORMS) |
| return -EINVAL; |
| v4l2_video_std_construct(e, bttv_tvnorms[e->index].v4l2_id, |
| bttv_tvnorms[e->index].name); |
| e->index = index; |
| return 0; |
| } |
| case VIDIOC_G_STD: |
| { |
| v4l2_std_id *id = arg; |
| *id = bttv_tvnorms[btv->tvnorm].v4l2_id; |
| return 0; |
| } |
| case VIDIOC_S_STD: |
| { |
| v4l2_std_id *id = arg; |
| unsigned int i; |
| |
| for (i = 0; i < BTTV_TVNORMS; i++) |
| if (*id & bttv_tvnorms[i].v4l2_id) |
| break; |
| if (i == BTTV_TVNORMS) |
| return -EINVAL; |
| |
| mutex_lock(&btv->lock); |
| set_tvnorm(btv,i); |
| i2c_vidiocschan(btv); |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| case VIDIOC_QUERYSTD: |
| { |
| v4l2_std_id *id = arg; |
| |
| if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML) |
| *id = V4L2_STD_625_50; |
| else |
| *id = V4L2_STD_525_60; |
| return 0; |
| } |
| |
| case VIDIOC_ENUMINPUT: |
| { |
| struct v4l2_input *i = arg; |
| unsigned int n; |
| |
| n = i->index; |
| if (n >= bttv_tvcards[btv->c.type].video_inputs) |
| return -EINVAL; |
| memset(i,0,sizeof(*i)); |
| i->index = n; |
| i->type = V4L2_INPUT_TYPE_CAMERA; |
| i->audioset = 0; |
| if (i->index == bttv_tvcards[btv->c.type].tuner) { |
| sprintf(i->name, "Television"); |
| i->type = V4L2_INPUT_TYPE_TUNER; |
| i->tuner = 0; |
| } else if (i->index == btv->svhs) { |
| sprintf(i->name, "S-Video"); |
| } else { |
| sprintf(i->name,"Composite%d",i->index); |
| } |
| if (i->index == btv->input) { |
| __u32 dstatus = btread(BT848_DSTATUS); |
| if (0 == (dstatus & BT848_DSTATUS_PRES)) |
| i->status |= V4L2_IN_ST_NO_SIGNAL; |
| if (0 == (dstatus & BT848_DSTATUS_HLOC)) |
| i->status |= V4L2_IN_ST_NO_H_LOCK; |
| } |
| for (n = 0; n < BTTV_TVNORMS; n++) |
| i->std |= bttv_tvnorms[n].v4l2_id; |
| return 0; |
| } |
| case VIDIOC_G_INPUT: |
| { |
| int *i = arg; |
| *i = btv->input; |
| return 0; |
| } |
| case VIDIOC_S_INPUT: |
| { |
| unsigned int *i = arg; |
| |
| if (*i > bttv_tvcards[btv->c.type].video_inputs) |
| return -EINVAL; |
| mutex_lock(&btv->lock); |
| set_input(btv,*i); |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| |
| case VIDIOC_G_TUNER: |
| { |
| struct v4l2_tuner *t = arg; |
| |
| if (UNSET == bttv_tvcards[btv->c.type].tuner) |
| return -EINVAL; |
| if (0 != t->index) |
| return -EINVAL; |
| mutex_lock(&btv->lock); |
| memset(t,0,sizeof(*t)); |
| t->rxsubchans = V4L2_TUNER_SUB_MONO; |
| bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t); |
| strcpy(t->name, "Television"); |
| t->capability = V4L2_TUNER_CAP_NORM; |
| t->type = V4L2_TUNER_ANALOG_TV; |
| if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) |
| t->signal = 0xffff; |
| |
| if (btv->audio_hook) { |
| /* Hmmm ... */ |
| struct video_audio va; |
| memset(&va, 0, sizeof(struct video_audio)); |
| btv->audio_hook(btv,&va,0); |
| t->audmode = V4L2_TUNER_MODE_MONO; |
| t->rxsubchans = V4L2_TUNER_SUB_MONO; |
| if(va.mode & VIDEO_SOUND_STEREO) { |
| t->audmode = V4L2_TUNER_MODE_STEREO; |
| t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
| } |
| if(va.mode & VIDEO_SOUND_LANG2) { |
| t->audmode = V4L2_TUNER_MODE_LANG1; |
| t->rxsubchans = V4L2_TUNER_SUB_LANG1 |
| | V4L2_TUNER_SUB_LANG2; |
| } |
| } |
| /* FIXME: fill capability+audmode */ |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| case VIDIOC_S_TUNER: |
| { |
| struct v4l2_tuner *t = arg; |
| |
| if (UNSET == bttv_tvcards[btv->c.type].tuner) |
| return -EINVAL; |
| if (0 != t->index) |
| return -EINVAL; |
| mutex_lock(&btv->lock); |
| bttv_call_i2c_clients(btv, VIDIOC_S_TUNER, t); |
| if (btv->audio_hook) { |
| struct video_audio va; |
| memset(&va, 0, sizeof(struct video_audio)); |
| if (t->audmode == V4L2_TUNER_MODE_MONO) |
| va.mode = VIDEO_SOUND_MONO; |
| else if (t->audmode == V4L2_TUNER_MODE_STEREO || |
| t->audmode == V4L2_TUNER_MODE_LANG1_LANG2) |
| va.mode = VIDEO_SOUND_STEREO; |
| else if (t->audmode == V4L2_TUNER_MODE_LANG1) |
| va.mode = VIDEO_SOUND_LANG1; |
| else if (t->audmode == V4L2_TUNER_MODE_LANG2) |
| va.mode = VIDEO_SOUND_LANG2; |
| btv->audio_hook(btv,&va,1); |
| } |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| |
| case VIDIOC_G_FREQUENCY: |
| { |
| struct v4l2_frequency *f = arg; |
| |
| memset(f,0,sizeof(*f)); |
| f->type = V4L2_TUNER_ANALOG_TV; |
| f->frequency = btv->freq; |
| return 0; |
| } |
| case VIDIOC_S_FREQUENCY: |
| { |
| struct v4l2_frequency *f = arg; |
| |
| if (unlikely(f->tuner != 0)) |
| return -EINVAL; |
| if (unlikely (f->type != V4L2_TUNER_ANALOG_TV)) |
| return -EINVAL; |
| mutex_lock(&btv->lock); |
| btv->freq = f->frequency; |
| bttv_call_i2c_clients(btv,VIDIOC_S_FREQUENCY,f); |
| if (btv->has_matchbox && btv->radio_user) |
| tea5757_set_freq(btv,btv->freq); |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| case VIDIOC_LOG_STATUS: |
| { |
| printk(KERN_INFO "bttv%d: ================= START STATUS CARD #%d =================\n", btv->c.nr, btv->c.nr); |
| bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL); |
| printk(KERN_INFO "bttv%d: ================== END STATUS CARD #%d ==================\n", btv->c.nr, btv->c.nr); |
| return 0; |
| } |
| |
| default: |
| return -ENOIOCTLCMD; |
| |
| } |
| return 0; |
| } |
| |
| static int verify_window(const struct bttv_tvnorm *tvn, |
| struct v4l2_window *win, int fixup) |
| { |
| enum v4l2_field field; |
| int maxw, maxh; |
| |
| if (win->w.width < 48 || win->w.height < 32) |
| return -EINVAL; |
| if (win->clipcount > 2048) |
| return -EINVAL; |
| |
| field = win->field; |
| maxw = tvn->swidth; |
| maxh = tvn->sheight; |
| |
| if (V4L2_FIELD_ANY == field) { |
| field = (win->w.height > maxh/2) |
| ? V4L2_FIELD_INTERLACED |
| : V4L2_FIELD_TOP; |
| } |
| switch (field) { |
| case V4L2_FIELD_TOP: |
| case V4L2_FIELD_BOTTOM: |
| maxh = maxh / 2; |
| break; |
| case V4L2_FIELD_INTERLACED: |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| if (!fixup && (win->w.width > maxw || win->w.height > maxh)) |
| return -EINVAL; |
| |
| if (win->w.width > maxw) |
| win->w.width = maxw; |
| if (win->w.height > maxh) |
| win->w.height = maxh; |
| win->field = field; |
| return 0; |
| } |
| |
| static int setup_window(struct bttv_fh *fh, struct bttv *btv, |
| struct v4l2_window *win, int fixup) |
| { |
| struct v4l2_clip *clips = NULL; |
| int n,size,retval = 0; |
| |
| if (NULL == fh->ovfmt) |
| return -EINVAL; |
| if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED)) |
| return -EINVAL; |
| retval = verify_window(&bttv_tvnorms[btv->tvnorm],win,fixup); |
| if (0 != retval) |
| return retval; |
| |
| /* copy clips -- luckily v4l1 + v4l2 are binary |
| compatible here ...*/ |
| n = win->clipcount; |
| size = sizeof(*clips)*(n+4); |
| clips = kmalloc(size,GFP_KERNEL); |
| if (NULL == clips) |
| return -ENOMEM; |
| if (n > 0) { |
| if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) { |
| kfree(clips); |
| return -EFAULT; |
| } |
| } |
| /* clip against screen */ |
| if (NULL != btv->fbuf.base) |
| n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height, |
| &win->w, clips, n); |
| btcx_sort_clips(clips,n); |
| |
| /* 4-byte alignments */ |
| switch (fh->ovfmt->depth) { |
| case 8: |
| case 24: |
| btcx_align(&win->w, clips, n, 3); |
| break; |
| case 16: |
| btcx_align(&win->w, clips, n, 1); |
| break; |
| case 32: |
| /* no alignment fixups needed */ |
| break; |
| default: |
| BUG(); |
| } |
| |
| mutex_lock(&fh->cap.lock); |
| kfree(fh->ov.clips); |
| fh->ov.clips = clips; |
| fh->ov.nclips = n; |
| |
| fh->ov.w = win->w; |
| fh->ov.field = win->field; |
| fh->ov.setup_ok = 1; |
| btv->init.ov.w.width = win->w.width; |
| btv->init.ov.w.height = win->w.height; |
| btv->init.ov.field = win->field; |
| |
| /* update overlay if needed */ |
| retval = 0; |
| if (check_btres(fh, RESOURCE_OVERLAY)) { |
| struct bttv_buffer *new; |
| |
| new = videobuf_alloc(sizeof(*new)); |
| bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); |
| retval = bttv_switch_overlay(btv,fh,new); |
| } |
| mutex_unlock(&fh->cap.lock); |
| return retval; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static struct videobuf_queue* bttv_queue(struct bttv_fh *fh) |
| { |
| struct videobuf_queue* q = NULL; |
| |
| switch (fh->type) { |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| q = &fh->cap; |
| break; |
| case V4L2_BUF_TYPE_VBI_CAPTURE: |
| q = &fh->vbi; |
| break; |
| default: |
| BUG(); |
| } |
| return q; |
| } |
| |
| static int bttv_resource(struct bttv_fh *fh) |
| { |
| int res = 0; |
| |
| switch (fh->type) { |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| res = RESOURCE_VIDEO; |
| break; |
| case V4L2_BUF_TYPE_VBI_CAPTURE: |
| res = RESOURCE_VBI; |
| break; |
| default: |
| BUG(); |
| } |
| return res; |
| } |
| |
| static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type) |
| { |
| struct videobuf_queue *q = bttv_queue(fh); |
| int res = bttv_resource(fh); |
| |
| if (check_btres(fh,res)) |
| return -EBUSY; |
| if (videobuf_queue_is_busy(q)) |
| return -EBUSY; |
| fh->type = type; |
| return 0; |
| } |
| |
| static void |
| pix_format_set_size (struct v4l2_pix_format * f, |
| const struct bttv_format * fmt, |
| unsigned int width, |
| unsigned int height) |
| { |
| f->width = width; |
| f->height = height; |
| |
| if (fmt->flags & FORMAT_FLAGS_PLANAR) { |
| f->bytesperline = width; /* Y plane */ |
| f->sizeimage = (width * height * fmt->depth) >> 3; |
| } else { |
| f->bytesperline = (width * fmt->depth) >> 3; |
| f->sizeimage = height * f->bytesperline; |
| } |
| } |
| |
| static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f) |
| { |
| switch (f->type) { |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format)); |
| pix_format_set_size (&f->fmt.pix, fh->fmt, |
| fh->width, fh->height); |
| f->fmt.pix.field = fh->cap.field; |
| f->fmt.pix.pixelformat = fh->fmt->fourcc; |
| return 0; |
| case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| memset(&f->fmt.win,0,sizeof(struct v4l2_window)); |
| f->fmt.win.w = fh->ov.w; |
| f->fmt.win.field = fh->ov.field; |
| return 0; |
| case V4L2_BUF_TYPE_VBI_CAPTURE: |
| bttv_vbi_get_fmt(fh,f); |
| return 0; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv, |
| struct v4l2_format *f) |
| { |
| switch (f->type) { |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| { |
| const struct bttv_format *fmt; |
| enum v4l2_field field; |
| unsigned int maxw,maxh; |
| |
| fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| if (NULL == fmt) |
| return -EINVAL; |
| |
| /* fixup format */ |
| maxw = bttv_tvnorms[btv->tvnorm].swidth; |
| maxh = bttv_tvnorms[btv->tvnorm].sheight; |
| field = f->fmt.pix.field; |
| if (V4L2_FIELD_ANY == field) |
| field = (f->fmt.pix.height > maxh/2) |
| ? V4L2_FIELD_INTERLACED |
| : V4L2_FIELD_BOTTOM; |
| if (V4L2_FIELD_SEQ_BT == field) |
| field = V4L2_FIELD_SEQ_TB; |
| switch (field) { |
| case V4L2_FIELD_TOP: |
| case V4L2_FIELD_BOTTOM: |
| case V4L2_FIELD_ALTERNATE: |
| maxh = maxh/2; |
| break; |
| case V4L2_FIELD_INTERLACED: |
| break; |
| case V4L2_FIELD_SEQ_TB: |
| if (fmt->flags & FORMAT_FLAGS_PLANAR) |
| return -EINVAL; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| /* update data for the application */ |
| f->fmt.pix.field = field; |
| if (f->fmt.pix.width < 48) |
| f->fmt.pix.width = 48; |
| if (f->fmt.pix.height < 32) |
| f->fmt.pix.height = 32; |
| if (f->fmt.pix.width > maxw) |
| f->fmt.pix.width = maxw; |
| if (f->fmt.pix.height > maxh) |
| f->fmt.pix.height = maxh; |
| pix_format_set_size (&f->fmt.pix, fmt, |
| f->fmt.pix.width & ~3, |
| f->fmt.pix.height); |
| |
| return 0; |
| } |
| case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| return verify_window(&bttv_tvnorms[btv->tvnorm], |
| &f->fmt.win, 1); |
| case V4L2_BUF_TYPE_VBI_CAPTURE: |
| bttv_vbi_try_fmt(fh,f); |
| return 0; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| static int bttv_s_fmt(struct bttv_fh *fh, struct bttv *btv, |
| struct v4l2_format *f) |
| { |
| int retval; |
| |
| switch (f->type) { |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| { |
| const struct bttv_format *fmt; |
| |
| retval = bttv_switch_type(fh,f->type); |
| if (0 != retval) |
| return retval; |
| retval = bttv_try_fmt(fh,btv,f); |
| if (0 != retval) |
| return retval; |
| fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| |
| /* update our state informations */ |
| mutex_lock(&fh->cap.lock); |
| fh->fmt = fmt; |
| fh->cap.field = f->fmt.pix.field; |
| fh->cap.last = V4L2_FIELD_NONE; |
| fh->width = f->fmt.pix.width; |
| fh->height = f->fmt.pix.height; |
| btv->init.fmt = fmt; |
| btv->init.width = f->fmt.pix.width; |
| btv->init.height = f->fmt.pix.height; |
| mutex_unlock(&fh->cap.lock); |
| |
| return 0; |
| } |
| case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| if (no_overlay > 0) { |
| printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); |
| return -EINVAL; |
| } |
| return setup_window(fh, btv, &f->fmt.win, 1); |
| case V4L2_BUF_TYPE_VBI_CAPTURE: |
| retval = bttv_switch_type(fh,f->type); |
| if (0 != retval) |
| return retval; |
| if (locked_btres(fh->btv, RESOURCE_VBI)) |
| return -EBUSY; |
| bttv_vbi_try_fmt(fh,f); |
| bttv_vbi_setlines(fh,btv,f->fmt.vbi.count[0]); |
| bttv_vbi_get_fmt(fh,f); |
| return 0; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| static int bttv_do_ioctl(struct inode *inode, struct file *file, |
| unsigned int cmd, void *arg) |
| { |
| struct bttv_fh *fh = file->private_data; |
| struct bttv *btv = fh->btv; |
| unsigned long flags; |
| int retval = 0; |
| |
| if (bttv_debug > 1) |
| v4l_print_ioctl(btv->c.name, cmd); |
| |
| if (btv->errors) |
| bttv_reinit_bt848(btv); |
| |
| switch (cmd) { |
| case VIDIOCSFREQ: |
| case VIDIOCSTUNER: |
| case VIDIOCSCHAN: |
| case VIDIOC_S_CTRL: |
| case VIDIOC_S_STD: |
| case VIDIOC_S_INPUT: |
| case VIDIOC_S_TUNER: |
| case VIDIOC_S_FREQUENCY: |
| retval = v4l2_prio_check(&btv->prio,&fh->prio); |
| if (0 != retval) |
| return retval; |
| }; |
| |
| switch (cmd) { |
| |
| /* *** v4l1 *** ************************************************ */ |
| case VIDIOCGCAP: |
| { |
| struct video_capability *cap = arg; |
| |
| memset(cap,0,sizeof(*cap)); |
| strcpy(cap->name,btv->video_dev->name); |
| if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { |
| /* vbi */ |
| cap->type = VID_TYPE_TUNER|VID_TYPE_TELETEXT; |
| } else { |
| /* others */ |
| cap->type = VID_TYPE_CAPTURE| |
| VID_TYPE_TUNER| |
| VID_TYPE_CLIPPING| |
| VID_TYPE_SCALES; |
| if (no_overlay <= 0) |
| cap->type |= VID_TYPE_OVERLAY; |
| |
| cap->maxwidth = bttv_tvnorms[btv->tvnorm].swidth; |
| cap->maxheight = bttv_tvnorms[btv->tvnorm].sheight; |
| cap->minwidth = 48; |
| cap->minheight = 32; |
| } |
| cap->channels = bttv_tvcards[btv->c.type].video_inputs; |
| cap->audios = bttv_tvcards[btv->c.type].audio_inputs; |
| return 0; |
| } |
| |
| case VIDIOCGPICT: |
| { |
| struct video_picture *pic = arg; |
| |
| memset(pic,0,sizeof(*pic)); |
| pic->brightness = btv->bright; |
| pic->contrast = btv->contrast; |
| pic->hue = btv->hue; |
| pic->colour = btv->saturation; |
| if (fh->fmt) { |
| pic->depth = fh->fmt->depth; |
| pic->palette = fh->fmt->palette; |
| } |
| return 0; |
| } |
| case VIDIOCSPICT: |
| { |
| struct video_picture *pic = arg; |
| const struct bttv_format *fmt; |
| |
| fmt = format_by_palette(pic->palette); |
| if (NULL == fmt) |
| return -EINVAL; |
| mutex_lock(&fh->cap.lock); |
| if (fmt->depth != pic->depth) { |
| retval = -EINVAL; |
| goto fh_unlock_and_return; |
| } |
| if (fmt->flags & FORMAT_FLAGS_RAW) { |
| /* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL * |
| RAW_LINES * 2. F1 is stored at offset 0, F2 |
| at buffer size / 2. */ |
| fh->width = RAW_BPL; |
| fh->height = gbufsize / RAW_BPL; |
| btv->init.width = RAW_BPL; |
| btv->init.height = gbufsize / RAW_BPL; |
| } |
| fh->ovfmt = fmt; |
| fh->fmt = fmt; |
| btv->init.ovfmt = fmt; |
| btv->init.fmt = fmt; |
| if (bigendian) { |
| /* dirty hack time: swap bytes for overlay if the |
| display adaptor is big endian (insmod option) */ |
| if (fmt->palette == VIDEO_PALETTE_RGB555 || |
| fmt->palette == VIDEO_PALETTE_RGB565 || |
| fmt->palette == VIDEO_PALETTE_RGB32) { |
| fh->ovfmt = fmt+1; |
| } |
| } |
| bt848_bright(btv,pic->brightness); |
| bt848_contrast(btv,pic->contrast); |
| bt848_hue(btv,pic->hue); |
| bt848_sat(btv,pic->colour); |
| mutex_unlock(&fh->cap.lock); |
| return 0; |
| } |
| |
| case VIDIOCGWIN: |
| { |
| struct video_window *win = arg; |
| |
| memset(win,0,sizeof(*win)); |
| win->x = fh->ov.w.left; |
| win->y = fh->ov.w.top; |
| win->width = fh->ov.w.width; |
| win->height = fh->ov.w.height; |
| return 0; |
| } |
| case VIDIOCSWIN: |
| { |
| struct video_window *win = arg; |
| struct v4l2_window w2; |
| |
| if (no_overlay > 0) { |
| printk ("VIDIOCSWIN: no_overlay\n"); |
| return -EINVAL; |
| } |
| |
| w2.field = V4L2_FIELD_ANY; |
| w2.w.left = win->x; |
| w2.w.top = win->y; |
| w2.w.width = win->width; |
| w2.w.height = win->height; |
| w2.clipcount = win->clipcount; |
| w2.clips = (struct v4l2_clip __user *)win->clips; |
| retval = setup_window(fh, btv, &w2, 0); |
| if (0 == retval) { |
| /* on v4l1 this ioctl affects the read() size too */ |
| fh->width = fh->ov.w.width; |
| fh->height = fh->ov.w.height; |
| btv->init.width = fh->ov.w.width; |
| btv->init.height = fh->ov.w.height; |
| } |
| return retval; |
| } |
| |
| case VIDIOCGFBUF: |
| { |
| struct video_buffer *fbuf = arg; |
| |
| fbuf->base = btv->fbuf.base; |
| fbuf->width = btv->fbuf.fmt.width; |
| fbuf->height = btv->fbuf.fmt.height; |
| fbuf->bytesperline = btv->fbuf.fmt.bytesperline; |
| if (fh->ovfmt) |
| fbuf->depth = fh->ovfmt->depth; |
| return 0; |
| } |
| case VIDIOCSFBUF: |
| { |
| struct video_buffer *fbuf = arg; |
| const struct bttv_format *fmt; |
| unsigned long end; |
| |
| if(!capable(CAP_SYS_ADMIN) && |
| !capable(CAP_SYS_RAWIO)) |
| return -EPERM; |
| end = (unsigned long)fbuf->base + |
| fbuf->height * fbuf->bytesperline; |
| mutex_lock(&fh->cap.lock); |
| retval = -EINVAL; |
| |
| switch (fbuf->depth) { |
| case 8: |
| fmt = format_by_palette(VIDEO_PALETTE_HI240); |
| break; |
| case 16: |
| fmt = format_by_palette(VIDEO_PALETTE_RGB565); |
| break; |
| case 24: |
| fmt = format_by_palette(VIDEO_PALETTE_RGB24); |
| break; |
| case 32: |
| fmt = format_by_palette(VIDEO_PALETTE_RGB32); |
| break; |
| case 15: |
| fbuf->depth = 16; |
| fmt = format_by_palette(VIDEO_PALETTE_RGB555); |
| break; |
| default: |
| fmt = NULL; |
| break; |
| } |
| if (NULL == fmt) |
| goto fh_unlock_and_return; |
| |
| fh->ovfmt = fmt; |
| fh->fmt = fmt; |
| btv->init.ovfmt = fmt; |
| btv->init.fmt = fmt; |
| btv->fbuf.base = fbuf->base; |
| btv->fbuf.fmt.width = fbuf->width; |
| btv->fbuf.fmt.height = fbuf->height; |
| if (fbuf->bytesperline) |
| btv->fbuf.fmt.bytesperline = fbuf->bytesperline; |
| else |
| btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fbuf->depth/8; |
| mutex_unlock(&fh->cap.lock); |
| return 0; |
| } |
| |
| case VIDIOCCAPTURE: |
| case VIDIOC_OVERLAY: |
| { |
| struct bttv_buffer *new; |
| int *on = arg; |
| |
| if (*on) { |
| /* verify args */ |
| if (NULL == btv->fbuf.base) |
| return -EINVAL; |
| if (!fh->ov.setup_ok) { |
| dprintk("bttv%d: overlay: !setup_ok\n",btv->c.nr); |
| return -EINVAL; |
| } |
| } |
| |
| if (!check_alloc_btres(btv,fh,RESOURCE_OVERLAY)) |
| return -EBUSY; |
| |
| mutex_lock(&fh->cap.lock); |
| if (*on) { |
| fh->ov.tvnorm = btv->tvnorm; |
| new = videobuf_alloc(sizeof(*new)); |
| bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); |
| } else { |
| new = NULL; |
| } |
| |
| /* switch over */ |
| retval = bttv_switch_overlay(btv,fh,new); |
| mutex_unlock(&fh->cap.lock); |
| return retval; |
| } |
| |
| case VIDIOCGMBUF: |
| { |
| struct video_mbuf *mbuf = arg; |
| unsigned int i; |
| |
| mutex_lock(&fh->cap.lock); |
| retval = videobuf_mmap_setup(&fh->cap,gbuffers,gbufsize, |
| V4L2_MEMORY_MMAP); |
| if (retval < 0) |
| goto fh_unlock_and_return; |
| memset(mbuf,0,sizeof(*mbuf)); |
| mbuf->frames = gbuffers; |
| mbuf->size = gbuffers * gbufsize; |
| for (i = 0; i < gbuffers; i++) |
| mbuf->offsets[i] = i * gbufsize; |
| mutex_unlock(&fh->cap.lock); |
| return 0; |
| } |
| case VIDIOCMCAPTURE: |
| { |
| struct video_mmap *vm = arg; |
| struct bttv_buffer *buf; |
| enum v4l2_field field; |
| |
| if (vm->frame >= VIDEO_MAX_FRAME) |
| return -EINVAL; |
| |
| mutex_lock(&fh->cap.lock); |
| retval = -EINVAL; |
| buf = (struct bttv_buffer *)fh->cap.bufs[vm->frame]; |
| if (NULL == buf) |
| goto fh_unlock_and_return; |
| if (0 == buf->vb.baddr) |
| goto fh_unlock_and_return; |
| if (buf->vb.state == STATE_QUEUED || |
| buf->vb.state == STATE_ACTIVE) |
| goto fh_unlock_and_return; |
| |
| field = (vm->height > bttv_tvnorms[btv->tvnorm].sheight/2) |
| ? V4L2_FIELD_INTERLACED |
| : V4L2_FIELD_BOTTOM; |
| retval = bttv_prepare_buffer(&fh->cap,btv,buf, |
| format_by_palette(vm->format), |
| vm->width,vm->height,field); |
| if (0 != retval) |
| goto fh_unlock_and_return; |
| spin_lock_irqsave(&btv->s_lock,flags); |
| buffer_queue(&fh->cap,&buf->vb); |
| spin_unlock_irqrestore(&btv->s_lock,flags); |
| mutex_unlock(&fh->cap.lock); |
| return 0; |
| } |
| case VIDIOCSYNC: |
| { |
| int *frame = arg; |
| struct bttv_buffer *buf; |
| |
| if (*frame >= VIDEO_MAX_FRAME) |
| return -EINVAL; |
| |
| mutex_lock(&fh->cap.lock); |
| retval = -EINVAL; |
| buf = (struct bttv_buffer *)fh->cap.bufs[*frame]; |
| if (NULL == buf) |
| goto fh_unlock_and_return; |
| retval = videobuf_waiton(&buf->vb,0,1); |
| if (0 != retval) |
| goto fh_unlock_and_return; |
| switch (buf->vb.state) { |
| case STATE_ERROR: |
| retval = -EIO; |
| /* fall through */ |
| case STATE_DONE: |
| videobuf_dma_sync(&fh->cap,&buf->vb.dma); |
| bttv_dma_free(&fh->cap,btv,buf); |
| break; |
| default: |
| retval = -EINVAL; |
| break; |
| } |
| mutex_unlock(&fh->cap.lock); |
| return retval; |
| } |
| |
| case VIDIOCGVBIFMT: |
| { |
| struct vbi_format *fmt = (void *) arg; |
| struct v4l2_format fmt2; |
| |
| if (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) { |
| retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); |
| if (0 != retval) |
| return retval; |
| } |
| bttv_vbi_get_fmt(fh, &fmt2); |
| |
| memset(fmt,0,sizeof(*fmt)); |
| fmt->sampling_rate = fmt2.fmt.vbi.sampling_rate; |
| fmt->samples_per_line = fmt2.fmt.vbi.samples_per_line; |
| fmt->sample_format = VIDEO_PALETTE_RAW; |
| fmt->start[0] = fmt2.fmt.vbi.start[0]; |
| fmt->count[0] = fmt2.fmt.vbi.count[0]; |
| fmt->start[1] = fmt2.fmt.vbi.start[1]; |
| fmt->count[1] = fmt2.fmt.vbi.count[1]; |
| if (fmt2.fmt.vbi.flags & V4L2_VBI_UNSYNC) |
| fmt->flags |= VBI_UNSYNC; |
| if (fmt2.fmt.vbi.flags & V4L2_VBI_INTERLACED) |
| fmt->flags |= VBI_INTERLACED; |
| return 0; |
| } |
| case VIDIOCSVBIFMT: |
| { |
| struct vbi_format *fmt = (void *) arg; |
| struct v4l2_format fmt2; |
| |
| retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); |
| if (0 != retval) |
| return retval; |
| bttv_vbi_get_fmt(fh, &fmt2); |
| |
| if (fmt->sampling_rate != fmt2.fmt.vbi.sampling_rate || |
| fmt->samples_per_line != fmt2.fmt.vbi.samples_per_line || |
| fmt->sample_format != VIDEO_PALETTE_RAW || |
| fmt->start[0] != fmt2.fmt.vbi.start[0] || |
| fmt->start[1] != fmt2.fmt.vbi.start[1] || |
| fmt->count[0] != fmt->count[1] || |
| fmt->count[0] < 1 || |
| fmt->count[0] > 32 /* VBI_MAXLINES */) |
| return -EINVAL; |
| |
| bttv_vbi_setlines(fh,btv,fmt->count[0]); |
| return 0; |
| } |
| |
| case BTTV_VERSION: |
| case VIDIOCGFREQ: |
| case VIDIOCSFREQ: |
| case VIDIOCGTUNER: |
| case VIDIOCSTUNER: |
| case VIDIOCGCHAN: |
| case VIDIOCSCHAN: |
| case VIDIOCGAUDIO: |
| case VIDIOCSAUDIO: |
| return bttv_common_ioctls(btv,cmd,arg); |
| |
| /* *** v4l2 *** ************************************************ */ |
| case VIDIOC_QUERYCAP: |
| { |
| struct v4l2_capability *cap = arg; |
| |
| if (0 == v4l2) |
| return -EINVAL; |
| memset(cap, 0, sizeof (*cap)); |
| strlcpy(cap->driver, "bttv", sizeof (cap->driver)); |
| strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card)); |
| snprintf(cap->bus_info, sizeof (cap->bus_info), |
| "PCI:%s", pci_name(btv->c.pci)); |
| cap->version = BTTV_VERSION_CODE; |
| cap->capabilities = |
| V4L2_CAP_VIDEO_CAPTURE | |
| V4L2_CAP_VBI_CAPTURE | |
| V4L2_CAP_READWRITE | |
| V4L2_CAP_STREAMING; |
| if (no_overlay <= 0) |
| cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY; |
| |
| if (bttv_tvcards[btv->c.type].tuner != UNSET && |
| bttv_tvcards[btv->c.type].tuner != TUNER_ABSENT) |
| cap->capabilities |= V4L2_CAP_TUNER; |
| return 0; |
| } |
| |
| case VIDIOC_ENUM_FMT: |
| { |
| struct v4l2_fmtdesc *f = arg; |
| enum v4l2_buf_type type; |
| unsigned int i; |
| int index; |
| |
| type = f->type; |
| if (V4L2_BUF_TYPE_VBI_CAPTURE == type) { |
| /* vbi */ |
| index = f->index; |
| if (0 != index) |
| return -EINVAL; |
| memset(f,0,sizeof(*f)); |
| f->index = index; |
| f->type = type; |
| f->pixelformat = V4L2_PIX_FMT_GREY; |
| strcpy(f->description,"vbi data"); |
| return 0; |
| } |
| |
| /* video capture + overlay */ |
| index = -1; |
| for (i = 0; i < BTTV_FORMATS; i++) { |
| if (bttv_formats[i].fourcc != -1) |
| index++; |
| if ((unsigned int)index == f->index) |
| break; |
| } |
| if (BTTV_FORMATS == i) |
| return -EINVAL; |
| |
| switch (f->type) { |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| break; |
| case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| if (!(bttv_formats[i].flags & FORMAT_FLAGS_PACKED)) |
| return -EINVAL; |
| break; |
| default: |
| return -EINVAL; |
| } |
| memset(f,0,sizeof(*f)); |
| f->index = index; |
| f->type = type; |
| f->pixelformat = bttv_formats[i].fourcc; |
| strlcpy(f->description,bttv_formats[i].name,sizeof(f->description)); |
| return 0; |
| } |
| |
| case VIDIOC_TRY_FMT: |
| { |
| struct v4l2_format *f = arg; |
| return bttv_try_fmt(fh,btv,f); |
| } |
| case VIDIOC_G_FMT: |
| { |
| struct v4l2_format *f = arg; |
| return bttv_g_fmt(fh,f); |
| } |
| case VIDIOC_S_FMT: |
| { |
| struct v4l2_format *f = arg; |
| return bttv_s_fmt(fh,btv,f); |
| } |
| |
| case VIDIOC_G_FBUF: |
| { |
| struct v4l2_framebuffer *fb = arg; |
| |
| *fb = btv->fbuf; |
| fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; |
| if (fh->ovfmt) |
| fb->fmt.pixelformat = fh->ovfmt->fourcc; |
| return 0; |
| } |
| case VIDIOC_S_FBUF: |
| { |
| struct v4l2_framebuffer *fb = arg; |
| const struct bttv_format *fmt; |
| |
| if(!capable(CAP_SYS_ADMIN) && |
| !capable(CAP_SYS_RAWIO)) |
| return -EPERM; |
| |
| /* check args */ |
| fmt = format_by_fourcc(fb->fmt.pixelformat); |
| if (NULL == fmt) |
| return -EINVAL; |
| if (0 == (fmt->flags & FORMAT_FLAGS_PACKED)) |
| return -EINVAL; |
| |
| mutex_lock(&fh->cap.lock); |
| retval = -EINVAL; |
| if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { |
| if (fb->fmt.width > bttv_tvnorms[btv->tvnorm].swidth) |
| goto fh_unlock_and_return; |
| if (fb->fmt.height > bttv_tvnorms[btv->tvnorm].sheight) |
| goto fh_unlock_and_return; |
| } |
| |
| /* ok, accept it */ |
| btv->fbuf.base = fb->base; |
| btv->fbuf.fmt.width = fb->fmt.width; |
| btv->fbuf.fmt.height = fb->fmt.height; |
| if (0 != fb->fmt.bytesperline) |
| btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline; |
| else |
| btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8; |
| |
| retval = 0; |
| fh->ovfmt = fmt; |
| btv->init.ovfmt = fmt; |
| if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { |
| fh->ov.w.left = 0; |
| fh->ov.w.top = 0; |
| fh->ov.w.width = fb->fmt.width; |
| fh->ov.w.height = fb->fmt.height; |
| btv->init.ov.w.width = fb->fmt.width; |
| btv->init.ov.w.height = fb->fmt.height; |
| kfree(fh->ov.clips); |
| fh->ov.clips = NULL; |
| fh->ov.nclips = 0; |
| |
| if (check_btres(fh, RESOURCE_OVERLAY)) { |
| struct bttv_buffer *new; |
| |
| new = videobuf_alloc(sizeof(*new)); |
| bttv_overlay_risc(btv,&fh->ov,fh->ovfmt,new); |
| retval = bttv_switch_overlay(btv,fh,new); |
| } |
| } |
| mutex_unlock(&fh->cap.lock); |
| return retval; |
| } |
| |
| case VIDIOC_REQBUFS: |
| return videobuf_reqbufs(bttv_queue(fh),arg); |
| |
| case VIDIOC_QUERYBUF: |
| return videobuf_querybuf(bttv_queue(fh),arg); |
| |
| case VIDIOC_QBUF: |
| return videobuf_qbuf(bttv_queue(fh),arg); |
| |
| case VIDIOC_DQBUF: |
| return videobuf_dqbuf(bttv_queue(fh),arg, |
| file->f_flags & O_NONBLOCK); |
| |
| case VIDIOC_STREAMON: |
| { |
| int res = bttv_resource(fh); |
| |
| if (!check_alloc_btres(btv,fh,res)) |
| return -EBUSY; |
| return videobuf_streamon(bttv_queue(fh)); |
| } |
| case VIDIOC_STREAMOFF: |
| { |
| int res = bttv_resource(fh); |
| |
| retval = videobuf_streamoff(bttv_queue(fh)); |
| if (retval < 0) |
| return retval; |
| free_btres(btv,fh,res); |
| return 0; |
| } |
| |
| case VIDIOC_QUERYCTRL: |
| { |
| struct v4l2_queryctrl *c = arg; |
| int i; |
| |
| if ((c->id < V4L2_CID_BASE || |
| c->id >= V4L2_CID_LASTP1) && |
| (c->id < V4L2_CID_PRIVATE_BASE || |
| c->id >= V4L2_CID_PRIVATE_LASTP1)) |
| return -EINVAL; |
| for (i = 0; i < BTTV_CTLS; i++) |
| if (bttv_ctls[i].id == c->id) |
| break; |
| if (i == BTTV_CTLS) { |
| *c = no_ctl; |
| return 0; |
| } |
| *c = bttv_ctls[i]; |
| if (btv->audio_hook && i >= 4 && i <= 8) { |
| struct video_audio va; |
| memset(&va,0,sizeof(va)); |
| btv->audio_hook(btv,&va,0); |
| switch (bttv_ctls[i].id) { |
| case V4L2_CID_AUDIO_VOLUME: |
| if (!(va.flags & VIDEO_AUDIO_VOLUME)) |
| *c = no_ctl; |
| break; |
| case V4L2_CID_AUDIO_BALANCE: |
| if (!(va.flags & VIDEO_AUDIO_BALANCE)) |
| *c = no_ctl; |
| break; |
| case V4L2_CID_AUDIO_BASS: |
| if (!(va.flags & VIDEO_AUDIO_BASS)) |
| *c = no_ctl; |
| break; |
| case V4L2_CID_AUDIO_TREBLE: |
| if (!(va.flags & VIDEO_AUDIO_TREBLE)) |
| *c = no_ctl; |
| break; |
| } |
| } |
| return 0; |
| } |
| case VIDIOC_G_CTRL: |
| return get_control(btv,arg); |
| case VIDIOC_S_CTRL: |
| return set_control(btv,arg); |
| case VIDIOC_G_PARM: |
| { |
| struct v4l2_streamparm *parm = arg; |
| struct v4l2_standard s; |
| if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| return -EINVAL; |
| memset(parm,0,sizeof(*parm)); |
| v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id, |
| bttv_tvnorms[btv->tvnorm].name); |
| parm->parm.capture.timeperframe = s.frameperiod; |
| return 0; |
| } |
| |
| case VIDIOC_G_PRIORITY: |
| { |
| enum v4l2_priority *p = arg; |
| |
| *p = v4l2_prio_max(&btv->prio); |
| return 0; |
| } |
| case VIDIOC_S_PRIORITY: |
| { |
| enum v4l2_priority *prio = arg; |
| |
| return v4l2_prio_change(&btv->prio, &fh->prio, *prio); |
| } |
| |
| case VIDIOC_ENUMSTD: |
| case VIDIOC_G_STD: |
| case VIDIOC_S_STD: |
| case VIDIOC_ENUMINPUT: |
| case VIDIOC_G_INPUT: |
| case VIDIOC_S_INPUT: |
| case VIDIOC_G_TUNER: |
| case VIDIOC_S_TUNER: |
| case VIDIOC_G_FREQUENCY: |
| case VIDIOC_S_FREQUENCY: |
| case VIDIOC_LOG_STATUS: |
| return bttv_common_ioctls(btv,cmd,arg); |
| |
| default: |
| return -ENOIOCTLCMD; |
| } |
| return 0; |
| |
| fh_unlock_and_return: |
| mutex_unlock(&fh->cap.lock); |
| return retval; |
| } |
| |
| static int bttv_ioctl(struct inode *inode, struct file *file, |
| unsigned int cmd, unsigned long arg) |
| { |
| struct bttv_fh *fh = file->private_data; |
| |
| switch (cmd) { |
| case BTTV_VBISIZE: |
| bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); |
| return fh->lines * 2 * 2048; |
| default: |
| return video_usercopy(inode, file, cmd, arg, bttv_do_ioctl); |
| } |
| } |
| |
| static ssize_t bttv_read(struct file *file, char __user *data, |
| size_t count, loff_t *ppos) |
| { |
| struct bttv_fh *fh = file->private_data; |
| int retval = 0; |
| |
| if (fh->btv->errors) |
| bttv_reinit_bt848(fh->btv); |
| dprintk("bttv%d: read count=%d type=%s\n", |
| fh->btv->c.nr,(int)count,v4l2_type_names[fh->type]); |
| |
| switch (fh->type) { |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| if (locked_btres(fh->btv,RESOURCE_VIDEO)) |
| return -EBUSY; |
| retval = videobuf_read_one(&fh->cap, data, count, ppos, |
| file->f_flags & O_NONBLOCK); |
| break; |
| case V4L2_BUF_TYPE_VBI_CAPTURE: |
| if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) |
| return -EBUSY; |
| retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1, |
| file->f_flags & O_NONBLOCK); |
| break; |
| default: |
| BUG(); |
| } |
| return retval; |
| } |
| |
| static unsigned int bttv_poll(struct file *file, poll_table *wait) |
| { |
| struct bttv_fh *fh = file->private_data; |
| struct bttv_buffer *buf; |
| enum v4l2_field field; |
| |
| if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { |
| if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) |
| return POLLERR; |
| return videobuf_poll_stream(file, &fh->vbi, wait); |
| } |
| |
| if (check_btres(fh,RESOURCE_VIDEO)) { |
| /* streaming capture */ |
| if (list_empty(&fh->cap.stream)) |
| return POLLERR; |
| buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream); |
| } else { |
| /* read() capture */ |
| mutex_lock(&fh->cap.lock); |
| if (NULL == fh->cap.read_buf) { |
| /* need to capture a new frame */ |
| if (locked_btres(fh->btv,RESOURCE_VIDEO)) { |
| mutex_unlock(&fh->cap.lock); |
| return POLLERR; |
| } |
| fh->cap.read_buf = videobuf_alloc(fh->cap.msize); |
| if (NULL == fh->cap.read_buf) { |
| mutex_unlock(&fh->cap.lock); |
| return POLLERR; |
| } |
| fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR; |
| field = videobuf_next_field(&fh->cap); |
| if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) { |
| kfree (fh->cap.read_buf); |
| fh->cap.read_buf = NULL; |
| mutex_unlock(&fh->cap.lock); |
| return POLLERR; |
| } |
| fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); |
| fh->cap.read_off = 0; |
| } |
| mutex_unlock(&fh->cap.lock); |
| buf = (struct bttv_buffer*)fh->cap.read_buf; |
| } |
| |
| poll_wait(file, &buf->vb.done, wait); |
| if (buf->vb.state == STATE_DONE || |
| buf->vb.state == STATE_ERROR) |
| return POLLIN|POLLRDNORM; |
| return 0; |
| } |
| |
| static int bttv_open(struct inode *inode, struct file *file) |
| { |
| int minor = iminor(inode); |
| struct bttv *btv = NULL; |
| struct bttv_fh *fh; |
| enum v4l2_buf_type type = 0; |
| unsigned int i; |
| |
| dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor); |
| |
| for (i = 0; i < bttv_num; i++) { |
| if (bttvs[i].video_dev && |
| bttvs[i].video_dev->minor == minor) { |
| btv = &bttvs[i]; |
| type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| break; |
| } |
| if (bttvs[i].vbi_dev && |
| bttvs[i].vbi_dev->minor == minor) { |
| btv = &bttvs[i]; |
| type = V4L2_BUF_TYPE_VBI_CAPTURE; |
| break; |
| } |
| } |
| if (NULL == btv) |
| return -ENODEV; |
| |
| dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n", |
| btv->c.nr,v4l2_type_names[type]); |
| |
| /* allocate per filehandle data */ |
| fh = kmalloc(sizeof(*fh),GFP_KERNEL); |
| if (NULL == fh) |
| return -ENOMEM; |
| file->private_data = fh; |
| *fh = btv->init; |
| fh->type = type; |
| fh->ov.setup_ok = 0; |
| v4l2_prio_open(&btv->prio,&fh->prio); |
| |
| videobuf_queue_init(&fh->cap, &bttv_video_qops, |
| btv->c.pci, &btv->s_lock, |
| V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| V4L2_FIELD_INTERLACED, |
| sizeof(struct bttv_buffer), |
| fh); |
| videobuf_queue_init(&fh->vbi, &bttv_vbi_qops, |
| btv->c.pci, &btv->s_lock, |
| V4L2_BUF_TYPE_VBI_CAPTURE, |
| V4L2_FIELD_SEQ_TB, |
| sizeof(struct bttv_buffer), |
| fh); |
| i2c_vidiocschan(btv); |
| |
| btv->users++; |
| if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) |
| bttv_vbi_setlines(fh,btv,16); |
| bttv_field_count(btv); |
| return 0; |
| } |
| |
| static int bttv_release(struct inode *inode, struct file *file) |
| { |
| struct bttv_fh *fh = file->private_data; |
| struct bttv *btv = fh->btv; |
| |
| /* turn off overlay */ |
| if (check_btres(fh, RESOURCE_OVERLAY)) |
| bttv_switch_overlay(btv,fh,NULL); |
| |
| /* stop video capture */ |
| if (check_btres(fh, RESOURCE_VIDEO)) { |
| videobuf_streamoff(&fh->cap); |
| free_btres(btv,fh,RESOURCE_VIDEO); |
| } |
| if (fh->cap.read_buf) { |
| buffer_release(&fh->cap,fh->cap.read_buf); |
| kfree(fh->cap.read_buf); |
| } |
| |
| /* stop vbi capture */ |
| if (check_btres(fh, RESOURCE_VBI)) { |
| if (fh->vbi.streaming) |
| videobuf_streamoff(&fh->vbi); |
| if (fh->vbi.reading) |
| videobuf_read_stop(&fh->vbi); |
| free_btres(btv,fh,RESOURCE_VBI); |
| } |
| |
| /* free stuff */ |
| videobuf_mmap_free(&fh->cap); |
| videobuf_mmap_free(&fh->vbi); |
| v4l2_prio_close(&btv->prio,&fh->prio); |
| file->private_data = NULL; |
| kfree(fh); |
| |
| btv->users--; |
| bttv_field_count(btv); |
| return 0; |
| } |
| |
| static int |
| bttv_mmap(struct file *file, struct vm_area_struct *vma) |
| { |
| struct bttv_fh *fh = file->private_data; |
| |
| dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n", |
| fh->btv->c.nr, v4l2_type_names[fh->type], |
| vma->vm_start, vma->vm_end - vma->vm_start); |
| return videobuf_mmap_mapper(bttv_queue(fh),vma); |
| } |
| |
| static struct file_operations bttv_fops = |
| { |
| .owner = THIS_MODULE, |
| .open = bttv_open, |
| .release = bttv_release, |
| .ioctl = bttv_ioctl, |
| .compat_ioctl = v4l_compat_ioctl32, |
| .llseek = no_llseek, |
| .read = bttv_read, |
| .mmap = bttv_mmap, |
| .poll = bttv_poll, |
| }; |
| |
| static struct video_device bttv_video_template = |
| { |
| .name = "UNSET", |
| .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER| |
| VID_TYPE_CLIPPING|VID_TYPE_SCALES, |
| .hardware = VID_HARDWARE_BT848, |
| .fops = &bttv_fops, |
| .minor = -1, |
| }; |
| |
| static struct video_device bttv_vbi_template = |
| { |
| .name = "bt848/878 vbi", |
| .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, |
| .hardware = VID_HARDWARE_BT848, |
| .fops = &bttv_fops, |
| .minor = -1, |
| }; |
| |
| /* ----------------------------------------------------------------------- */ |
| /* radio interface */ |
| |
| static int radio_open(struct inode *inode, struct file *file) |
| { |
| int minor = iminor(inode); |
| struct bttv *btv = NULL; |
| unsigned int i; |
| |
| dprintk("bttv: open minor=%d\n",minor); |
| |
| for (i = 0; i < bttv_num; i++) { |
| if (bttvs[i].radio_dev->minor == minor) { |
| btv = &bttvs[i]; |
| break; |
| } |
| } |
| if (NULL == btv) |
| return -ENODEV; |
| |
| dprintk("bttv%d: open called (radio)\n",btv->c.nr); |
| mutex_lock(&btv->lock); |
| |
| btv->radio_user++; |
| |
| file->private_data = btv; |
| |
| bttv_call_i2c_clients(btv,AUDC_SET_RADIO,NULL); |
| audio_input(btv,TVAUDIO_INPUT_RADIO); |
| |
| mutex_unlock(&btv->lock); |
| return 0; |
| } |
| |
| static int radio_release(struct inode *inode, struct file *file) |
| { |
| struct bttv *btv = file->private_data; |
| struct rds_command cmd; |
| |
| btv->radio_user--; |
| |
| bttv_call_i2c_clients(btv, RDS_CMD_CLOSE, &cmd); |
| |
| return 0; |
| } |
| |
| static int radio_do_ioctl(struct inode *inode, struct file *file, |
| unsigned int cmd, void *arg) |
| { |
| struct bttv *btv = file->private_data; |
| |
| switch (cmd) { |
| case VIDIOCGCAP: |
| { |
| struct video_capability *cap = arg; |
| |
| memset(cap,0,sizeof(*cap)); |
| strcpy(cap->name,btv->radio_dev->name); |
| cap->type = VID_TYPE_TUNER; |
| cap->channels = 1; |
| cap->audios = 1; |
| return 0; |
| } |
| |
| case VIDIOCGTUNER: |
| { |
| struct video_tuner *v = arg; |
| |
| if(v->tuner) |
| return -EINVAL; |
| memset(v,0,sizeof(*v)); |
| strcpy(v->name, "Radio"); |
| bttv_call_i2c_clients(btv,cmd,v); |
| return 0; |
| } |
| case VIDIOCSTUNER: |
| /* nothing to do */ |
| return 0; |
| |
| case BTTV_VERSION: |
| case VIDIOCGFREQ: |
| case VIDIOCSFREQ: |
| case VIDIOCGAUDIO: |
| case VIDIOCSAUDIO: |
| case VIDIOC_LOG_STATUS: |
| return bttv_common_ioctls(btv,cmd,arg); |
| |
| default: |
| return -ENOIOCTLCMD; |
| } |
| return 0; |
| } |
| |
| static int radio_ioctl(struct inode *inode, struct file *file, |
| unsigned int cmd, unsigned long arg) |
| { |
| return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); |
| } |
| |
| static ssize_t radio_read(struct file *file, char __user *data, |
| size_t count, loff_t *ppos) |
| { |
| struct bttv *btv = file->private_data; |
| struct rds_command cmd; |
| cmd.block_count = count/3; |
| cmd.buffer = data; |
| cmd.instance = file; |
| cmd.result = -ENODEV; |
| |
| bttv_call_i2c_clients(btv, RDS_CMD_READ, &cmd); |
| |
| return cmd.result; |
| } |
| |
| static unsigned int radio_poll(struct file *file, poll_table *wait) |
| { |
| struct bttv *btv = file->private_data; |
| struct rds_command cmd; |
| cmd.instance = file; |
| cmd.event_list = wait; |
| cmd.result = -ENODEV; |
| bttv_call_i2c_clients(btv, RDS_CMD_POLL, &cmd); |
| |
| return cmd.result; |
| } |
| |
| static struct file_operations radio_fops = |
| { |
| .owner = THIS_MODULE, |
| .open = radio_open, |
| .read = radio_read, |
| .release = radio_release, |
| .ioctl = radio_ioctl, |
| .llseek = no_llseek, |
| .poll = radio_poll, |
| }; |
| |
| static struct video_device radio_template = |
| { |
| .name = "bt848/878 radio", |
| .type = VID_TYPE_TUNER, |
| .hardware = VID_HARDWARE_BT848, |
| .fops = &radio_fops, |
| .minor = -1, |
| }; |
| |
| /* ----------------------------------------------------------------------- */ |
| /* some debug code */ |
| |
| static int bttv_risc_decode(u32 risc) |
| { |
| static char *instr[16] = { |
| [ BT848_RISC_WRITE >> 28 ] = "write", |
| [ BT848_RISC_SKIP >> 28 ] = "skip", |
| [ BT848_RISC_WRITEC >> 28 ] = "writec", |
| [ BT848_RISC_JUMP >> 28 ] = "jump", |
| [ BT848_RISC_SYNC >> 28 ] = "sync", |
| [ BT848_RISC_WRITE123 >> 28 ] = "write123", |
| [ BT848_RISC_SKIP123 >> 28 ] = "skip123", |
| [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23", |
| }; |
| static int incr[16] = { |
| [ BT848_RISC_WRITE >> 28 ] = 2, |
| [ BT848_RISC_JUMP >> 28 ] = 2, |
| [ BT848_RISC_SYNC >> 28 ] = 2, |
| [ BT848_RISC_WRITE123 >> 28 ] = 5, |
| [ BT848_RISC_SKIP123 >> 28 ] = 2, |
| [ BT848_RISC_WRITE1S23 >> 28 ] = 3, |
| }; |
| static char *bits[] = { |
| "be0", "be1", "be2", "be3/resync", |
| "set0", "set1", "set2", "set3", |
| "clr0", "clr1", "clr2", "clr3", |
| "irq", "res", "eol", "sol", |
| }; |
| int i; |
| |
| printk("0x%08x [ %s", risc, |
| instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); |
| for (i = ARRAY_SIZE(bits)-1; i >= 0; i--) |
| if (risc & (1 << (i + 12))) |
| printk(" %s",bits[i]); |
| printk(" count=%d ]\n", risc & 0xfff); |
| return incr[risc >> 28] ? incr[risc >> 28] : 1; |
| } |
| |
| static void bttv_risc_disasm(struct bttv *btv, |
| struct btcx_riscmem *risc) |
| { |
| unsigned int i,j,n; |
| |
| printk("%s: risc disasm: %p [dma=0x%08lx]\n", |
| btv->c.name, risc->cpu, (unsigned long)risc->dma); |
| for (i = 0; i < (risc->size >> 2); i += n) { |
| printk("%s: 0x%lx: ", btv->c.name, |
| (unsigned long)(risc->dma + (i<<2))); |
| n = bttv_risc_decode(risc->cpu[i]); |
| for (j = 1; j < n; j++) |
| printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n", |
| btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)), |
| risc->cpu[i+j], j); |
| if (0 == risc->cpu[i]) |
| break; |
| } |
| } |
| |
| static void bttv_print_riscaddr(struct bttv *btv) |
| { |
| printk(" main: %08Lx\n", |
| (unsigned long long)btv->main.dma); |
| printk(" vbi : o=%08Lx e=%08Lx\n", |
| btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0, |
| btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0); |
| printk(" cap : o=%08Lx e=%08Lx\n", |
| btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0, |
| btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0); |
| printk(" scr : o=%08Lx e=%08Lx\n", |
| btv->screen ? (unsigned long long)btv->screen->top.dma : 0, |
| btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0); |
| bttv_risc_disasm(btv, &btv->main); |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| /* irq handler */ |
| |
| static char *irq_name[] = { |
| "FMTCHG", // format change detected (525 vs. 625) |
| "VSYNC", // vertical sync (new field) |
| "HSYNC", // horizontal sync |
| "OFLOW", // chroma/luma AGC overflow |
| "HLOCK", // horizontal lock changed |
| "VPRES", // video presence changed |
| "6", "7", |
| "I2CDONE", // hw irc operation finished |
| "GPINT", // gpio port triggered irq |
| "10", |
| "RISCI", // risc instruction triggered irq |
| "FBUS", // pixel data fifo dropped data (high pci bus latencies) |
| "FTRGT", // pixel data fifo overrun |
| "FDSR", // fifo data stream resyncronisation |
| "PPERR", // parity error (data transfer) |
| "RIPERR", // parity error (read risc instructions) |
| "PABORT", // pci abort |
| "OCERR", // risc instruction error |
| "SCERR", // syncronisation error |
| }; |
| |
| static void bttv_print_irqbits(u32 print, u32 mark) |
| { |
| unsigned int i; |
| |
| printk("bits:"); |
| for (i = 0; i < ARRAY_SIZE(irq_name); i++) { |
| if (print & (1 << i)) |
| printk(" %s",irq_name[i]); |
| if (mark & (1 << i)) |
| printk("*"); |
| } |
| } |
| |
| static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc) |
| { |
| printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n", |
| btv->c.nr, |
| (unsigned long)btv->main.dma, |
| (unsigned long)btv->main.cpu[RISC_SLOT_O_VBI+1], |
| (unsigned long)btv->main.cpu[RISC_SLOT_O_FIELD+1], |
| (unsigned long)rc); |
| |
| if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) { |
| printk("bttv%d: Oh, there (temporarely?) is no input signal. " |
| "Ok, then this is harmless, don't worry ;)\n", |
| btv->c.nr); |
| return; |
| } |
| printk("bttv%d: Uhm. Looks like we have unusual high IRQ latencies.\n", |
| btv->c.nr); |
| printk("bttv%d: Lets try to catch the culpit red-handed ...\n", |
| btv->c.nr); |
| dump_stack(); |
| } |
| |
| static int |
| bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set) |
| { |
| struct bttv_buffer *item; |
| |
| memset(set,0,sizeof(*set)); |
| |
| /* capture request ? */ |
| if (!list_empty(&btv->capture)) { |
| set->frame_irq = 1; |
| item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); |
| if (V4L2_FIELD_HAS_TOP(item->vb.field)) |
| set->top = item; |
| if (V4L2_FIELD_HAS_BOTTOM(item->vb.field)) |
| set->bottom = item; |
| |
| /* capture request for other field ? */ |
| if (!V4L2_FIELD_HAS_BOTH(item->vb.field) && |
| (item->vb.queue.next != &btv->capture)) { |
| item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue); |
| if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) { |
| if (NULL == set->top && |
| V4L2_FIELD_TOP == item->vb.field) { |
| set->top = item; |
| } |
| if (NULL == set->bottom && |
| V4L2_FIELD_BOTTOM == item->vb.field) { |
| set->bottom = item; |
| } |
| if (NULL != set->top && NULL != set->bottom) |
| set->top_irq = 2; |
| } |
| } |
| } |
| |
| /* screen overlay ? */ |
| if (NULL != btv->screen) { |
| if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) { |
| if (NULL == set->top && NULL == set->bottom) { |
| set->top = btv->screen; |
| set->bottom = btv->screen; |
| } |
| } else { |
| if (V4L2_FIELD_TOP == btv->screen->vb.field && |
| NULL == set->top) { |
| set->top = btv->screen; |
| } |
| if (V4L2_FIELD_BOTTOM == btv->screen->vb.field && |
| NULL == set->bottom) { |
| set->bottom = btv->screen; |
| } |
| } |
| } |
| |
| dprintk("bttv%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n", |
| btv->c.nr,set->top, set->bottom, |
| btv->screen,set->frame_irq,set->top_irq); |
| return 0; |
| } |
| |
| static void |
| bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup, |
| struct bttv_buffer_set *curr, unsigned int state) |
| { |
| struct timeval ts; |
| |
| do_gettimeofday(&ts); |
| |
| if (wakeup->top == wakeup->bottom) { |
| if (NULL != wakeup->top && curr->top != wakeup->top) { |
| if (irq_debug > 1) |
| printk("bttv%d: wakeup: both=%p\n",btv->c.nr,wakeup->top); |
| wakeup->top->vb.ts = ts; |
| wakeup->top->vb.field_count = btv->field_count; |
| wakeup->top->vb.state = state; |
| wake_up(&wakeup->top->vb.done); |
| } |
| } else { |
| if (NULL != wakeup->top && curr->top != wakeup->top) { |
| if (irq_debug > 1) |
| printk("bttv%d: wakeup: top=%p\n",btv->c.nr,wakeup->top); |
| wakeup->top->vb.ts = ts; |
| wakeup->top->vb.field_count = btv->field_count; |
| wakeup->top->vb.state = state; |
| wake_up(&wakeup->top->vb.done); |
| } |
| if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) { |
| if (irq_debug > 1) |
| printk("bttv%d: wakeup: bottom=%p\n",btv->c.nr,wakeup->bottom); |
| wakeup->bottom->vb.ts = ts; |
| wakeup->bottom->vb.field_count = btv->field_count; |
| wakeup->bottom->vb.state = state; |
| wake_up(&wakeup->bottom->vb.done); |
| } |
| } |
| } |
| |
| static void |
| bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup, |
| unsigned int state) |
| { |
| struct timeval ts; |
| |
| if (NULL == wakeup) |
| return; |
| |
| do_gettimeofday(&ts); |
| wakeup->vb.ts = ts; |
| wakeup->vb.field_count = btv->field_count; |
| wakeup->vb.state = state; |
| wake_up(&wakeup->vb.done); |
| } |
| |
| static void bttv_irq_timeout(unsigned long data) |
| { |
| struct bttv *btv = (struct bttv *)data; |
| struct bttv_buffer_set old,new; |
| struct bttv_buffer *ovbi; |
| struct bttv_buffer *item; |
| unsigned long flags; |
| |
| if (bttv_verbose) { |
| printk(KERN_INFO "bttv%d: timeout: drop=%d irq=%d/%d, risc=%08x, ", |
| btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total, |
| btread(BT848_RISC_COUNT)); |
| bttv_print_irqbits(btread(BT848_INT_STAT),0); |
| printk("\n"); |
| } |
| |
| spin_lock_irqsave(&btv->s_lock,flags); |
| |
| /* deactivate stuff */ |
| memset(&new,0,sizeof(new)); |
| old = btv->curr; |
| ovbi = btv->cvbi; |
| btv->curr = new; |
| btv->cvbi = NULL; |
| btv->loop_irq = 0; |
| bttv_buffer_activate_video(btv, &new); |
| bttv_buffer_activate_vbi(btv, NULL); |
| bttv_set_dma(btv, 0); |
| |
| /* wake up */ |
| bttv_irq_wakeup_video(btv, &old, &new, STATE_ERROR); |
| bttv_irq_wakeup_vbi(btv, ovbi, STATE_ERROR); |
| |
| /* cancel all outstanding capture / vbi requests */ |
| while (!list_empty(&btv->capture)) { |
| item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); |
| list_del(&item->vb.queue); |
| item->vb.state = STATE_ERROR; |
| wake_up(&item->vb.done); |
| } |
| while (!list_empty(&btv->vcapture)) { |
| item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); |
| list_del(&item->vb.queue); |
| item->vb.state = STATE_ERROR; |
| wake_up(&item->vb.done); |
| } |
| |
| btv->errors++; |
| spin_unlock_irqrestore(&btv->s_lock,flags); |
| } |
| |
| static void |
| bttv_irq_wakeup_top(struct bttv *btv) |
| { |
| struct bttv_buffer *wakeup = btv->curr.top; |
| |
| if (NULL == wakeup) |
| return; |
| |
| spin_lock(&btv->s_lock); |
| btv->curr.top_irq = 0; |
| btv->curr.top = NULL; |
| bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0); |
| |
| do_gettimeofday(&wakeup->vb.ts); |
| wakeup->vb.field_count = btv->field_count; |
| wakeup->vb.state = STATE_DONE; |
| wake_up(&wakeup->vb.done); |
| spin_unlock(&btv->s_lock); |
| } |
| |
| static inline int is_active(struct btcx_riscmem *risc, u32 rc) |
| { |
| if (rc < risc->dma) |
| return 0; |
| if (rc > risc->dma + risc->size) |
| return 0; |
| return 1; |
| } |
| |
| static void |
| bttv_irq_switch_video(struct bttv *btv) |
| { |
| struct bttv_buffer_set new; |
| struct bttv_buffer_set old; |
| dma_addr_t rc; |
| |
| spin_lock(&btv->s_lock); |
| |
| /* new buffer set */ |
| bttv_irq_next_video(btv, &new); |
| rc = btread(BT848_RISC_COUNT); |
| if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) || |
| (btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) { |
| btv->framedrop++; |
| if (debug_latency) |
| bttv_irq_debug_low_latency(btv, rc); |
| spin_unlock(&btv->s_lock); |
| return; |
| } |
| |
| /* switch over */ |
| old = btv->curr; |
| btv->curr = new; |
| btv->loop_irq &= ~1; |
| bttv_buffer_activate_video(btv, &new); |
| bttv_set_dma(btv, 0); |
| |
| /* switch input */ |
| if (UNSET != btv->new_input) { |
| video_mux(btv,btv->new_input); |
| btv->new_input = UNSET; |
| } |
| |
| /* wake up finished buffers */ |
| bttv_irq_wakeup_video(btv, &old, &new, STATE_DONE); |
| spin_unlock(&btv->s_lock); |
| } |
| |
| static void |
| bttv_irq_switch_vbi(struct bttv *btv) |
| { |
| struct bttv_buffer *new = NULL; |
| struct bttv_buffer *old; |
| u32 rc; |
| |
| spin_lock(&btv->s_lock); |
| |
| if (!list_empty(&btv->vcapture)) |
| new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); |
| old = btv->cvbi; |
| |
| rc = btread(BT848_RISC_COUNT); |
| if (NULL != old && (is_active(&old->top, rc) || |
| is_active(&old->bottom, rc))) { |
| btv->framedrop++; |
| if (debug_latency) |
| bttv_irq_debug_low_latency(btv, rc); |
| spin_unlock(&btv->s_lock); |
| return; |
| } |
| |
| /* switch */ |
| btv->cvbi = new; |
| btv->loop_irq &= ~4; |
| bttv_buffer_activate_vbi(btv, new); |
| bttv_set_dma(btv, 0); |
| |
| bttv_irq_wakeup_vbi(btv, old, STATE_DONE); |
| spin_unlock(&btv->s_lock); |
| } |
| |
| static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs) |
| { |
| u32 stat,astat; |
| u32 dstat; |
| int count; |
| struct bttv *btv; |
| int handled = 0; |
| |
| btv=(struct bttv *)dev_id; |
| |
| if (btv->custom_irq) |
| handled = btv->custom_irq(btv); |
| |
| count=0; |
| while (1) { |
| /* get/clear interrupt status bits */ |
| stat=btread(BT848_INT_STAT); |
| astat=stat&btread(BT848_INT_MASK); |
| if (!astat) |
| break; |
| handled = 1; |
| btwrite(stat,BT848_INT_STAT); |
| |
| /* get device status bits */ |
| dstat=btread(BT848_DSTATUS); |
| |
| if (irq_debug) { |
| printk(KERN_DEBUG "bttv%d: irq loop=%d fc=%d " |
| "riscs=%x, riscc=%08x, ", |
| btv->c.nr, count, btv->field_count, |
| stat>>28, btread(BT848_RISC_COUNT)); |
| bttv_print_irqbits(stat,astat); |
| if (stat & BT848_INT_HLOCK) |
| printk(" HLOC => %s", (dstat & BT848_DSTATUS_HLOC) |
| ? "yes" : "no"); |
| if (stat & BT848_INT_VPRES) |
| printk(" PRES => %s", (dstat & BT848_DSTATUS_PRES) |
| ? "yes" : "no"); |
| if (stat & BT848_INT_FMTCHG) |
| printk(" NUML => %s", (dstat & BT848_DSTATUS_NUML) |
| ? "625" : "525"); |
| printk("\n"); |
| } |
| |
| if (astat&BT848_INT_VSYNC) |
| btv->field_count++; |
| |
| if ((astat & BT848_INT_GPINT) && btv->remote) { |
| wake_up(&btv->gpioq); |
| bttv_input_irq(btv); |
| } |
| |
| if (astat & BT848_INT_I2CDONE) { |
| btv->i2c_done = stat; |
| wake_up(&btv->i2c_queue); |
| } |
| |
| if ((astat & BT848_INT_RISCI) && (stat & (4<<28))) |
| bttv_irq_switch_vbi(btv); |
| |
| if ((astat & BT848_INT_RISCI) && (stat & (2<<28))) |
| bttv_irq_wakeup_top(btv); |
| |
| if ((astat & BT848_INT_RISCI) && (stat & (1<<28))) |
| bttv_irq_switch_video(btv); |
| |
| if ((astat & BT848_INT_HLOCK) && btv->opt_automute) |
| audio_mute(btv, btv->mute); /* trigger automute */ |
| |
| if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) { |
| printk(KERN_INFO "bttv%d: %s%s @ %08x,",btv->c.nr, |
| (astat & BT848_INT_SCERR) ? "SCERR" : "", |
| (astat & BT848_INT_OCERR) ? "OCERR" : "", |
| btread(BT848_RISC_COUNT)); |
| bttv_print_irqbits(stat,astat); |
| printk("\n"); |
| if (bttv_debug) |
| bttv_print_riscaddr(btv); |
| } |
| if (fdsr && astat & BT848_INT_FDSR) { |
| printk(KERN_INFO "bttv%d: FDSR @ %08x\n", |
| btv->c.nr,btread(BT848_RISC_COUNT)); |
| if (bttv_debug) |
| bttv_print_riscaddr(btv); |
| } |
| |
| count++; |
| if (count > 4) { |
| |
| if (count > 8 || !(astat & BT848_INT_GPINT)) { |
| btwrite(0, BT848_INT_MASK); |
| |
| printk(KERN_ERR |
| "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr); |
| } else { |
| printk(KERN_ERR |
| "bttv%d: IRQ lockup, clearing GPINT from int mask [", btv->c.nr); |
| |
| btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT), |
| BT848_INT_MASK); |
| }; |
| |
| bttv_print_irqbits(stat,astat); |
| |
| printk("]\n"); |
| } |
| } |
| btv->irq_total++; |
| if (handled) |
| btv->irq_me++; |
| return IRQ_RETVAL(handled); |
| } |
| |
| |
| /* ----------------------------------------------------------------------- */ |
| /* initialitation */ |
| |
| static struct video_device *vdev_init(struct bttv *btv, |
| struct video_device *template, |
| char *type) |
| { |
| struct video_device *vfd; |
| |
| vfd = video_device_alloc(); |
| if (NULL == vfd) |
| return NULL; |
| *vfd = *template; |
| vfd->minor = -1; |
| vfd->dev = &btv->c.pci->dev; |
| vfd->release = video_device_release; |
| snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)", |
| btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "", |
| type, bttv_tvcards[btv->c.type].name); |
| return vfd; |
| } |
| |
| static void bttv_unregister_video(struct bttv *btv) |
| { |
| if (btv->video_dev) { |
| if (-1 != btv->video_dev->minor) |
| video_unregister_device(btv->video_dev); |
| else |
| video_device_release(btv->video_dev); |
| btv->video_dev = NULL; |
| } |
| if (btv->vbi_dev) { |
| if (-1 != btv->vbi_dev->minor) |
| video_unregister_device(btv->vbi_dev); |
| else |
| video_device_release(btv->vbi_dev); |
| btv->vbi_dev = NULL; |
| } |
| if (btv->radio_dev) { |
| if (-1 != btv->radio_dev->minor) |
| video_unregister_device(btv->radio_dev); |
| else |
| video_device_release(btv->radio_dev); |
| btv->radio_dev = NULL; |
| } |
| } |
| |
| /* register video4linux devices */ |
| static int __devinit bttv_register_video(struct bttv *btv) |
| { |
| if (no_overlay <= 0) { |
| bttv_video_template.type |= VID_TYPE_OVERLAY; |
| } else { |
| printk("bttv: Overlay support disabled.\n"); |
| } |
| |
| /* video */ |
| btv->video_dev = vdev_init(btv, &bttv_video_template, "video"); |
| if (NULL == btv->video_dev) |
| goto err; |
| if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0) |
| goto err; |
| printk(KERN_INFO "bttv%d: registered device video%d\n", |
| btv->c.nr,btv->video_dev->minor & 0x1f); |
| video_device_create_file(btv->video_dev, &class_device_attr_card); |
| |
| /* vbi */ |
| btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi"); |
| if (NULL == btv->vbi_dev) |
| goto err; |
| if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0) |
| goto err; |
| printk(KERN_INFO "bttv%d: registered device vbi%d\n", |
| btv->c.nr,btv->vbi_dev->minor & 0x1f); |
| |
| if (!btv->has_radio) |
| return 0; |
| /* radio */ |
| btv->radio_dev = vdev_init(btv, &radio_template, "radio"); |
| if (NULL == btv->radio_dev) |
| goto err; |
| if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0) |
| goto err; |
| printk(KERN_INFO "bttv%d: registered device radio%d\n", |
| btv->c.nr,btv->radio_dev->minor & 0x1f); |
| |
| /* all done */ |
| return 0; |
| |
| err: |
| bttv_unregister_video(btv); |
| return -1; |
| } |
| |
| |
| /* on OpenFirmware machines (PowerMac at least), PCI memory cycle */ |
| /* response on cards with no firmware is not enabled by OF */ |
| static void pci_set_command(struct pci_dev *dev) |
| { |
| #if defined(__powerpc__) |
| unsigned int cmd; |
| |
| pci_read_config_dword(dev, PCI_COMMAND, &cmd); |
| cmd = (cmd | PCI_COMMAND_MEMORY ); |
| pci_write_config_dword(dev, PCI_COMMAND, cmd); |
| #endif |
| } |
| |
| static int __devinit bttv_probe(struct pci_dev *dev, |
| const struct pci_device_id *pci_id) |
| { |
| int result; |
| unsigned char lat; |
| struct bttv *btv; |
| |
| if (bttv_num == BTTV_MAX) |
| return -ENOMEM; |
| printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num); |
| btv=&bttvs[bttv_num]; |
| memset(btv,0,sizeof(*btv)); |
| btv->c.nr = bttv_num; |
| sprintf(btv->c.name,"bttv%d",btv->c.nr); |
| |
| /* initialize structs / fill in defaults */ |
| mutex_init(&btv->lock); |
| mutex_init(&btv->reslock); |
| spin_lock_init(&btv->s_lock); |
| spin_lock_init(&btv->gpio_lock); |
| init_waitqueue_head(&btv->gpioq); |
| init_waitqueue_head(&btv->i2c_queue); |
| INIT_LIST_HEAD(&btv->c.subs); |
| INIT_LIST_HEAD(&btv->capture); |
| INIT_LIST_HEAD(&btv->vcapture); |
| v4l2_prio_init(&btv->prio); |
| |
| init_timer(&btv->timeout); |
| btv->timeout.function = bttv_irq_timeout; |
| btv->timeout.data = (unsigned long)btv; |
| |
| btv->i2c_rc = -1; |
| btv->tuner_type = UNSET; |
| btv->new_input = UNSET; |
| btv->has_radio=radio[btv->c.nr]; |
| |
| /* pci stuff (init, get irq/mmio, ... */ |
| btv->c.pci = dev; |
| btv->id = dev->device; |
| if (pci_enable_device(dev)) { |
| printk(KERN_WARNING "bttv%d: Can't enable device.\n", |
| btv->c.nr); |
| return -EIO; |
| } |
| if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) { |
| printk(KERN_WARNING "bttv%d: No suitable DMA available.\n", |
| btv->c.nr); |
| return -EIO; |
| } |
| if (!request_mem_region(pci_resource_start(dev,0), |
| pci_resource_len(dev,0), |
| btv->c.name)) { |
| printk(KERN_WARNING "bttv%d: can't request iomem (0x%llx).\n", |
| btv->c.nr, |
| (unsigned long long)pci_resource_start(dev,0)); |
| return -EBUSY; |
| } |
| pci_set_master(dev); |
| pci_set_command(dev); |
| pci_set_drvdata(dev,btv); |
| |
| pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision); |
| pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); |
| printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ", |
| bttv_num,btv->id, btv->revision, pci_name(dev)); |
| printk("irq: %d, latency: %d, mmio: 0x%llx\n", |
| btv->c.pci->irq, lat, |
| (unsigned long long)pci_resource_start(dev,0)); |
| schedule(); |
| |
| btv->bt848_mmio=ioremap(pci_resource_start(dev,0), 0x1000); |
| if (NULL == ioremap(pci_resource_start(dev,0), 0x1000)) { |
| printk("bttv%d: ioremap() failed\n", btv->c.nr); |
| result = -EIO; |
| goto fail1; |
| } |
| |
| /* identify card */ |
| bttv_idcard(btv); |
| |
| /* disable irqs, register irq handler */ |
| btwrite(0, BT848_INT_MASK); |
| result = request_irq(btv->c.pci->irq, bttv_irq, |
| IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv); |
| if (result < 0) { |
| printk(KERN_ERR "bttv%d: can't get IRQ %d\n", |
| bttv_num,btv->c.pci->irq); |
| goto fail1; |
| } |
| |
| if (0 != bttv_handle_chipset(btv)) { |
| result = -EIO; |
| goto fail2; |
| } |
| |
| /* init options from insmod args */ |
| btv->opt_combfilter = combfilter; |
| btv->opt_lumafilter = lumafilter; |
| btv->opt_automute = automute; |
| btv->opt_chroma_agc = chroma_agc; |
| btv->opt_adc_crush = adc_crush; |
| btv->opt_vcr_hack = vcr_hack; |
| btv->opt_whitecrush_upper = whitecrush_upper; |
| btv->opt_whitecrush_lower = whitecrush_lower; |
| btv->opt_uv_ratio = uv_ratio; |
| btv->opt_full_luma_range = full_luma_range; |
| btv->opt_coring = coring; |
| |
| /* fill struct bttv with some useful defaults */ |
| btv->init.btv = btv; |
| btv->init.ov.w.width = 320; |
| btv->init.ov.w.height = 240; |
| btv->init.fmt = format_by_palette(VIDEO_PALETTE_RGB24); |
| btv->init.width = 320; |
| btv->init.height = 240; |
| btv->init.lines = 16; |
| btv->input = 0; |
| |
| /* initialize hardware */ |
| if (bttv_gpio) |
| bttv_gpio_tracking(btv,"pre-init"); |
| |
| bttv_risc_init_main(btv); |
| init_bt848(btv); |
| |
| /* gpio */ |
| btwrite(0x00, BT848_GPIO_REG_INP); |
| btwrite(0x00, BT848_GPIO_OUT_EN); |
| if (bttv_verbose) |
| bttv_gpio_tracking(btv,"init"); |
| |
| /* needs to be done before i2c is registered */ |
| bttv_init_card1(btv); |
| |
| /* register i2c + gpio */ |
| init_bttv_i2c(btv); |
| |
| /* some card-specific stuff (needs working i2c) */ |
| bttv_init_card2(btv); |
| init_irqreg(btv); |
| |
| /* register video4linux + input */ |
| if (!bttv_tvcards[btv->c.type].no_video) { |
| bttv_register_video(btv); |
| bt848_bright(btv,32768); |
| bt848_contrast(btv,32768); |
| bt848_hue(btv,32768); |
| bt848_sat(btv,32768); |
| audio_mute(btv, 1); |
| set_input(btv,0); |
| } |
| |
| /* add subdevices */ |
| if (bttv_tvcards[btv->c.type].has_dvb) |
| bttv_sub_add_device(&btv->c, "dvb"); |
| |
| bttv_input_init(btv); |
| |
| /* everything is fine */ |
| bttv_num++; |
| return 0; |
| |
| fail2: |
| free_irq(btv->c.pci->irq,btv); |
| |
| fail1: |
| if (btv->bt848_mmio) |
| iounmap(btv->bt848_mmio); |
| release_mem_region(pci_resource_start(btv->c.pci,0), |
| pci_resource_len(btv->c.pci,0)); |
| pci_set_drvdata(dev,NULL); |
| return result; |
| } |
| |
| static void __devexit bttv_remove(struct pci_dev *pci_dev) |
| { |
| struct bttv *btv = pci_get_drvdata(pci_dev); |
| |
| if (bttv_verbose) |
| printk("bttv%d: unloading\n",btv->c.nr); |
| |
| /* shutdown everything (DMA+IRQs) */ |
| btand(~15, BT848_GPIO_DMA_CTL); |
| btwrite(0, BT848_INT_MASK); |
| btwrite(~0x0, BT848_INT_STAT); |
| btwrite(0x0, BT848_GPIO_OUT_EN); |
| if (bttv_gpio) |
| bttv_gpio_tracking(btv,"cleanup"); |
| |
| /* tell gpio modules we are leaving ... */ |
| btv->shutdown=1; |
| wake_up(&btv->gpioq); |
| bttv_input_fini(btv); |
| bttv_sub_del_devices(&btv->c); |
| |
| /* unregister i2c_bus + input */ |
| fini_bttv_i2c(btv); |
| |
| /* unregister video4linux */ |
| bttv_unregister_video(btv); |
| |
| /* free allocated memory */ |
| btcx_riscmem_free(btv->c.pci,&btv->main); |
| |
| /* free ressources */ |
| free_irq(btv->c.pci->irq,btv); |
| iounmap(btv->bt848_mmio); |
| release_mem_region(pci_resource_start(btv->c.pci,0), |
| pci_resource_len(btv->c.pci,0)); |
| |
| pci_set_drvdata(pci_dev, NULL); |
| return; |
| } |
| |
| static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state) |
| { |
| struct bttv *btv = pci_get_drvdata(pci_dev); |
| struct bttv_buffer_set idle; |
| unsigned long flags; |
| |
| dprintk("bttv%d: suspend %d\n", btv->c.nr, state.event); |
| |
| /* stop dma + irqs */ |
| spin_lock_irqsave(&btv->s_lock,flags); |
| memset(&idle, 0, sizeof(idle)); |
| btv->state.video = btv->curr; |
| btv->state.vbi = btv->cvbi; |
| btv->state.loop_irq = btv->loop_irq; |
| btv->curr = idle; |
| btv->loop_irq = 0; |
| bttv_buffer_activate_video(btv, &idle); |
| bttv_buffer_activate_vbi(btv, NULL); |
| bttv_set_dma(btv, 0); |
| btwrite(0, BT848_INT_MASK); |
| spin_unlock_irqrestore(&btv->s_lock,flags); |
| |
| /* save bt878 state */ |
| btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN); |
| btv->state.gpio_data = gpio_read(); |
| |
| /* save pci state */ |
| pci_save_state(pci_dev); |
| if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { |
| pci_disable_device(pci_dev); |
| btv->state.disabled = 1; |
| } |
| return 0; |
| } |
| |
| static int bttv_resume(struct pci_dev *pci_dev) |
| { |
| struct bttv *btv = pci_get_drvdata(pci_dev); |
| unsigned long flags; |
| int err; |
| |
| dprintk("bttv%d: resume\n", btv->c.nr); |
| |
| /* restore pci state */ |
| if (btv->state.disabled) { |
| err=pci_enable_device(pci_dev); |
| if (err) { |
| printk(KERN_WARNING "bttv%d: Can't enable device.\n", |
| btv->c.nr); |
| return err; |
| } |
| btv->state.disabled = 0; |
| } |
| err=pci_set_power_state(pci_dev, PCI_D0); |
| if (err) { |
| pci_disable_device(pci_dev); |
| printk(KERN_WARNING "bttv%d: Can't enable device.\n", |
| btv->c.nr); |
| btv->state.disabled = 1; |
| return err; |
| } |
| |
| pci_restore_state(pci_dev); |
| |
| /* restore bt878 state */ |
| bttv_reinit_bt848(btv); |
| gpio_inout(0xffffff, btv->state.gpio_enable); |
| gpio_write(btv->state.gpio_data); |
| |
| /* restart dma */ |
| spin_lock_irqsave(&btv->s_lock,flags); |
| btv->curr = btv->state.video; |
| btv->cvbi = btv->state.vbi; |
| btv->loop_irq = btv->state.loop_irq; |
| bttv_buffer_activate_video(btv, &btv->curr); |
| bttv_buffer_activate_vbi(btv, btv->cvbi); |
| bttv_set_dma(btv, 0); |
| spin_unlock_irqrestore(&btv->s_lock,flags); |
| return 0; |
| } |
| |
| static struct pci_device_id bttv_pci_tbl[] = { |
| {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| {0,} |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, bttv_pci_tbl); |
| |
| static struct pci_driver bttv_pci_driver = { |
| .name = "bttv", |
| .id_table = bttv_pci_tbl, |
| .probe = bttv_probe, |
| .remove = __devexit_p(bttv_remove), |
| .suspend = bttv_suspend, |
| .resume = bttv_resume, |
| }; |
| |
| static int bttv_init_module(void) |
| { |
| bttv_num = 0; |
| |
| printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n", |
| (BTTV_VERSION_CODE >> 16) & 0xff, |
| (BTTV_VERSION_CODE >> 8) & 0xff, |
| BTTV_VERSION_CODE & 0xff); |
| #ifdef SNAPSHOT |
| printk(KERN_INFO "bttv: snapshot date %04d-%02d-%02d\n", |
| SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); |
| #endif |
| if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) |
| gbuffers = 2; |
| if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF) |
| gbufsize = BTTV_MAX_FBUF; |
| gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; |
| if (bttv_verbose) |
| printk(KERN_INFO "bttv: using %d buffers with %dk (%d pages) each for capture\n", |
| gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT); |
| |
| bttv_check_chipset(); |
| |
| bus_register(&bttv_sub_bus_type); |
| return pci_register_driver(&bttv_pci_driver); |
| } |
| |
| static void bttv_cleanup_module(void) |
| { |
| pci_unregister_driver(&bttv_pci_driver); |
| bus_unregister(&bttv_sub_bus_type); |
| return; |
| } |
| |
| module_init(bttv_init_module); |
| module_exit(bttv_cleanup_module); |
| |
| /* |
| * Local variables: |
| * c-basic-offset: 8 |
| * End: |
| */ |