[PATCH] v4l: 719: implement some differences in video output port
- Implement some differences in video output port
Signed-off-by: Robert W. Boone <rboone@rtd.com>
Signed-off-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index cd1f70ff..cd5545b 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -48,6 +48,43 @@
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 @@
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]);
}