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authorRobert W. Boone <rboone@rtd.com>2005-11-08 21:37:10 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 07:56:15 -0800
commit2f8d4f5139fe7817f43202d8ee2f4b68ac53e58f (patch)
treeafaef8b0ba1a9a2cb6f5f12dd4f43945080e4be7
parentfd35a6b454818e01f761622e9ac5824ce2d7baf5 (diff)
[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>
-rw-r--r--drivers/media/video/saa7134/saa7134-cards.c4
-rw-r--r--drivers/media/video/saa7134/saa7134-video.c58
-rw-r--r--drivers/media/video/saa7134/saa7134.h9
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)