diff options
Diffstat (limited to 'drivers/media/video')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-cards.c | 4 | ||||
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-video.c | 58 | ||||
| -rw-r--r-- | drivers/media/video/saa7134/saa7134.h | 9 |
3 files changed, 68 insertions, 3 deletions
diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 7278150fb58..3a4c59e7ca0 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -2285,6 +2285,10 @@ struct saa7134_board saa7134_boards[] = { }}, .mpeg = SAA7134_MPEG_EMPRESS, .video_out = CCIR656, + .vid_port_opts = ( SET_T_CODE_POLARITY_NON_INVERTED | + SET_CLOCK_NOT_DELAYED | + SET_CLOCK_INVERTED | + SET_VSYNC_OFF ), }, [SAA7134_BOARD_RTD_VFG7330] = { .name = "RTD Embedded Technologies VFG7330", diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index cd1f70fffde..cd5545b2d60 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -48,6 +48,43 @@ MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced"); printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg) /* ------------------------------------------------------------------ */ +/* Defines for Video Output Port Register at address 0x191 */ + +/* Bit 0: VIP code T bit polarity */ + +#define VP_T_CODE_P_NON_INVERTED 0x00 +#define VP_T_CODE_P_INVERTED 0x01 + +/* ------------------------------------------------------------------ */ +/* Defines for Video Output Port Register at address 0x195 */ + +/* Bit 2: Video output clock delay control */ + +#define VP_CLK_CTRL2_NOT_DELAYED 0x00 +#define VP_CLK_CTRL2_DELAYED 0x04 + +/* Bit 1: Video output clock invert control */ + +#define VP_CLK_CTRL1_NON_INVERTED 0x00 +#define VP_CLK_CTRL1_INVERTED 0x02 + +/* ------------------------------------------------------------------ */ +/* Defines for Video Output Port Register at address 0x196 */ + +/* Bits 2 to 0: VSYNC pin video vertical sync type */ + +#define VP_VS_TYPE_MASK 0x07 + +#define VP_VS_TYPE_OFF 0x00 +#define VP_VS_TYPE_V123 0x01 +#define VP_VS_TYPE_V_ITU 0x02 +#define VP_VS_TYPE_VGATE_L 0x03 +#define VP_VS_TYPE_RESERVED1 0x04 +#define VP_VS_TYPE_RESERVED2 0x05 +#define VP_VS_TYPE_F_ITU 0x06 +#define VP_VS_TYPE_SC_FID 0x07 + +/* ------------------------------------------------------------------ */ /* data structs for video */ static int video_out[][9] = { @@ -2294,13 +2331,28 @@ int saa7134_video_init1(struct saa7134_dev *dev) if (saa7134_boards[dev->board].video_out) { /* enable video output */ int vo = saa7134_boards[dev->board].video_out; + int video_reg; + unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); - saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]); + video_reg = video_out[vo][1]; + if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) + video_reg &= ~VP_T_CODE_P_INVERTED; + saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); - saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]); - saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]); + video_reg = video_out[vo][5]; + if (vid_port_opts & SET_CLOCK_NOT_DELAYED) + video_reg &= ~VP_CLK_CTRL2_DELAYED; + if (vid_port_opts & SET_CLOCK_INVERTED) + video_reg |= VP_CLK_CTRL1_INVERTED; + saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); + video_reg = video_out[vo][6]; + if (vid_port_opts & SET_VSYNC_OFF) { + video_reg &= ~VP_VS_TYPE_MASK; + video_reg |= VP_VS_TYPE_OFF; + } + saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); } diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index e907d86da7b..9dfd45bed92 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -199,6 +199,14 @@ struct saa7134_format { #define SAA7134_MAXBOARDS 8 #define SAA7134_INPUT_MAX 8 +/* ----------------------------------------------------------- */ +/* Video Output Port Register Initialization Options */ + +#define SET_T_CODE_POLARITY_NON_INVERTED (1 << 0) +#define SET_CLOCK_NOT_DELAYED (1 << 1) +#define SET_CLOCK_INVERTED (1 << 2) +#define SET_VSYNC_OFF (1 << 3) + struct saa7134_input { char *name; unsigned int vmux; @@ -234,6 +242,7 @@ struct saa7134_board { /* peripheral I/O */ enum saa7134_video_out video_out; enum saa7134_mpeg_type mpeg; + unsigned int vid_port_opts; }; #define card_has_radio(dev) (NULL != saa7134_boards[dev->board].radio.name) |