cx18: Add support for component video inputs From: Andy Walls <[email protected]>
Priority: normal Signed-off-by: Andy Walls <[email protected]> diff -r ad62ab7e4325 -r 9d3394f49a90 linux/drivers/media/video/cx18/cx18-av-core.c --- a/linux/drivers/media/video/cx18/cx18-av-core.c Sun Jan 03 21:28:18 2010 -0500 +++ b/linux/drivers/media/video/cx18/cx18-av-core.c Fri Jan 08 23:01:47 2010 -0500 @@ -579,6 +579,7 @@ u8 afe_mux_cfg; u8 adc2_cfg; + u8 input_mode; u32 afe_cfg; int i; @@ -589,6 +590,30 @@ vid_input <= CX18_AV_COMPOSITE8) { afe_mux_cfg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1); ch[0] = CVBS; + input_mode = 0x0; + } else if (vid_input >= CX18_AV_COMPONENT_LUMA1) { + int luma = vid_input & 0xf000; + int r_chroma = vid_input & 0xf0000; + int b_chroma = vid_input & 0xf00000; + + if ((vid_input & ~0xfff000) || + luma < CX18_AV_COMPONENT_LUMA1 || + luma > CX18_AV_COMPONENT_LUMA8 || + r_chroma < CX18_AV_COMPONENT_R_CHROMA4 || + r_chroma > CX18_AV_COMPONENT_R_CHROMA6 || + b_chroma < CX18_AV_COMPONENT_B_CHROMA7 || + b_chroma > CX18_AV_COMPONENT_B_CHROMA8) { + CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n", + vid_input); + return -EINVAL; + } + afe_mux_cfg = (luma - CX18_AV_COMPONENT_LUMA1) >> 12; + ch[0] = Y; + afe_mux_cfg |= (r_chroma - CX18_AV_COMPONENT_R_CHROMA4) >> 12; + ch[1] = Pr; + afe_mux_cfg |= (b_chroma - CX18_AV_COMPONENT_B_CHROMA7) >> 14; + ch[2] = Pb; + input_mode = 0x6; } else { int luma = vid_input & 0xf0; int chroma = vid_input & 0xf00; @@ -598,7 +623,7 @@ luma > CX18_AV_SVIDEO_LUMA8 || chroma < CX18_AV_SVIDEO_CHROMA4 || chroma > CX18_AV_SVIDEO_CHROMA8) { - CX18_ERR_DEV(sd, "0x%04x is not a valid video input!\n", + CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n", vid_input); return -EINVAL; } @@ -613,8 +638,8 @@ afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4; ch[1] = C; } + input_mode = 0x2; } - /* TODO: LeadTek WinFast DVR3100 H & WinFast PVR2100 can do Y/Pb/Pr */ switch (aud_input) { case CX18_AV_AUDIO_SERIAL1: @@ -650,8 +675,8 @@ /* Set up analog front end multiplexers */ cx18_av_write_expect(cx, 0x103, afe_mux_cfg, afe_mux_cfg, 0xf7); - /* Set INPUT_MODE to Composite (0) or S-Video (1) */ - cx18_av_and_or(cx, 0x401, ~0x6, ch[0] == CVBS ? 0 : 0x02); + /* Set INPUT_MODE to Composite, S-Video, or Component */ + cx18_av_and_or(cx, 0x401, ~0x6, input_mode); /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */ adc2_cfg = cx18_av_read(cx, 0x102); diff -r ad62ab7e4325 -r 9d3394f49a90 linux/drivers/media/video/cx18/cx18-av-core.h --- a/linux/drivers/media/video/cx18/cx18-av-core.h Sun Jan 03 21:28:18 2010 -0500 +++ b/linux/drivers/media/video/cx18/cx18-av-core.h Fri Jan 08 23:01:47 2010 -0500 @@ -61,6 +61,25 @@ CX18_AV_SVIDEO2 = 0x620, CX18_AV_SVIDEO3 = 0x730, CX18_AV_SVIDEO4 = 0x840, + + /* Component Video inputs consist of one luma input (In1-In8) ORed + with a red chroma (In4-In6) and blue chroma input (In7-In8) */ + CX18_AV_COMPONENT_LUMA1 = 0x1000, + CX18_AV_COMPONENT_LUMA2 = 0x2000, + CX18_AV_COMPONENT_LUMA3 = 0x3000, + CX18_AV_COMPONENT_LUMA4 = 0x4000, + CX18_AV_COMPONENT_LUMA5 = 0x5000, + CX18_AV_COMPONENT_LUMA6 = 0x6000, + CX18_AV_COMPONENT_LUMA7 = 0x7000, + CX18_AV_COMPONENT_LUMA8 = 0x8000, + CX18_AV_COMPONENT_R_CHROMA4 = 0x40000, + CX18_AV_COMPONENT_R_CHROMA5 = 0x50000, + CX18_AV_COMPONENT_R_CHROMA6 = 0x60000, + CX18_AV_COMPONENT_B_CHROMA7 = 0x700000, + CX18_AV_COMPONENT_B_CHROMA8 = 0x800000, + + /* Component Video aliases for common combinations */ + CX18_AV_COMPONENT1 = 0x861000, }; enum cx18_av_audio_input { diff -r ad62ab7e4325 -r 9d3394f49a90 linux/drivers/media/video/cx18/cx18-cards.c --- a/linux/drivers/media/video/cx18/cx18-cards.c Sun Jan 03 21:28:18 2010 -0500 +++ b/linux/drivers/media/video/cx18/cx18-cards.c Fri Jan 08 23:01:47 2010 -0500 @@ -491,7 +491,7 @@ "S-Video 2", "Composite 1", "Composite 2", - "Composite 3" + "Component 1" }; memset(input, 0, sizeof(*input)); diff -r ad62ab7e4325 -r 9d3394f49a90 linux/drivers/media/video/cx18/cx18-cards.h --- a/linux/drivers/media/video/cx18/cx18-cards.h Sun Jan 03 21:28:18 2010 -0500 +++ b/linux/drivers/media/video/cx18/cx18-cards.h Fri Jan 08 23:01:47 2010 -0500 @@ -43,7 +43,7 @@ #define CX18_CARD_INPUT_SVIDEO2 3 #define CX18_CARD_INPUT_COMPOSITE1 4 #define CX18_CARD_INPUT_COMPOSITE2 5 -#define CX18_CARD_INPUT_COMPOSITE3 6 +#define CX18_CARD_INPUT_COMPONENT1 6 /* audio inputs */ #define CX18_CARD_INPUT_AUD_TUNER 1 @@ -62,7 +62,7 @@ struct cx18_card_video_input { u8 video_type; /* video input type */ u8 audio_index; /* index in cx18_card_audio_input array */ - u16 video_input; /* hardware video input */ + u32 video_input; /* hardware video input */ }; struct cx18_card_audio_input { -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
