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authorHans Verkuil <hverkuil@xs4all.nl>2006-03-25 09:20:28 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-04-02 04:54:54 -0300
commit1f8f5fa9b78ce344a03aeb1e6e12fffeb6a4c0c4 (patch)
tree72d923f9ee76b303debd4a21a50c0a2f516b96f1
parent013423588af1950e8eb7a44d80a684fd50174827 (diff)
V4L/DVB (3607): Implement routing command for saa7115.c
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
-rw-r--r--drivers/media/video/saa7115.c41
-rw-r--r--include/media/saa7115.h37
2 files changed, 78 insertions, 0 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index f2123d62f1f..615ec903355 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -40,6 +40,7 @@
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/saa7115.h>
#include <asm/div64.h>
MODULE_DESCRIPTION("Philips SAA7113/SAA7114/SAA7115 video decoder driver");
@@ -1180,6 +1181,46 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar
state->radio = 1;
break;
+ case VIDIOC_INT_G_VIDEO_ROUTING:
+ {
+ struct v4l2_routing *route = arg;
+
+ route->input = state->input;
+ route->output = 0;
+ break;
+ }
+
+ case VIDIOC_INT_S_VIDEO_ROUTING:
+ {
+ struct v4l2_routing *route = arg;
+
+ v4l_dbg(1, debug, client, "decoder set input %d\n", route->input);
+ /* saa7113 does not have these inputs */
+ if (state->ident == V4L2_IDENT_SAA7113 &&
+ (route->input == SAA7115_COMPOSITE4 ||
+ route->input == SAA7115_COMPOSITE5)) {
+ return -EINVAL;
+ }
+ if (route->input > SAA7115_SVIDEO3)
+ return -EINVAL;
+ if (state->input == route->input)
+ break;
+ v4l_dbg(1, debug, client, "now setting %s input\n",
+ (route->input >= SAA7115_SVIDEO0) ? "S-Video" : "Composite");
+ state->input = route->input;
+
+ /* select mode */
+ saa7115_write(client, 0x02,
+ (saa7115_read(client, 0x02) & 0xf0) |
+ state->input);
+
+ /* bypass chrominance trap for S-Video modes */
+ saa7115_write(client, 0x09,
+ (saa7115_read(client, 0x09) & 0x7f) |
+ (state->input >= SAA7115_SVIDEO0 ? 0x80 : 0x0));
+ break;
+ }
+
case VIDIOC_G_INPUT:
*(int *)arg = state->input;
break;
diff --git a/include/media/saa7115.h b/include/media/saa7115.h
new file mode 100644
index 00000000000..6b4836f3f05
--- /dev/null
+++ b/include/media/saa7115.h
@@ -0,0 +1,37 @@
+/*
+ saa7115.h - definition for saa7113/4/5 inputs
+
+ Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl)
+
+ 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.
+*/
+
+#ifndef _SAA7115_H_
+#define _SAA7115_H_
+
+/* SAA7113/4/5 HW inputs */
+#define SAA7115_COMPOSITE0 0
+#define SAA7115_COMPOSITE1 1
+#define SAA7115_COMPOSITE2 2
+#define SAA7115_COMPOSITE3 3
+#define SAA7115_COMPOSITE4 4 /* not available for the saa7113 */
+#define SAA7115_COMPOSITE5 5 /* not available for the saa7113 */
+#define SAA7115_SVIDEO0 6
+#define SAA7115_SVIDEO1 7
+#define SAA7115_SVIDEO2 8
+#define SAA7115_SVIDEO3 9
+
+#endif
+