[PATCH] Indycam / VINO drivers

Rewrite of the Indycam / VINO video v4l2 drivers for the SGI Indy.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Mikael Nousiainen <tmnousia@cc.hut.fi>
Cc: <video4linux-list@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 112 insertions, 0 deletions

diff --git a/drivers/media/video/indycam.h b/drivers/media/video/indycam.h
new file mode 100644
index 00000000000..d9ddb6b79a0
--- /dev/null
+++ b/drivers/media/video/indycam.h
@@ -0,0 +1,112 @@
+/*
+ *  indycam.h - Silicon Graphics IndyCam digital camera driver
+ *
+ *  Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
+ *  Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#ifndef _INDYCAM_H_
+#define _INDYCAM_H_
+
+/* I2C address for the Guinness Camera */
+#define INDYCAM_ADDR			0x56
+
+/* Camera version */
+#define CAMERA_VERSION_INDY		0x10	/* v1.0 */
+#define CAMERA_VERSION_MOOSE		0x12	/* v1.2 */
+#define INDYCAM_VERSION_MAJOR(x)	(((x) & 0xf0) >> 4)
+#define INDYCAM_VERSION_MINOR(x)	((x) & 0x0f)
+
+/* Register bus addresses */
+#define INDYCAM_CONTROL			0x00
+#define INDYCAM_SHUTTER			0x01
+#define INDYCAM_GAIN			0x02
+#define INDYCAM_BRIGHTNESS		0x03 /* read-only */
+#define INDYCAM_RED_BALANCE		0x04
+#define INDYCAM_BLUE_BALANCE		0x05
+#define INDYCAM_RED_SATURATION		0x06
+#define INDYCAM_BLUE_SATURATION		0x07
+#define INDYCAM_GAMMA			0x08
+#define INDYCAM_VERSION			0x0e /* read-only */
+#define INDYCAM_RESET			0x0f /* write-only */
+
+#define INDYCAM_LED			0x46
+#define INDYCAM_ORIENTATION		0x47
+#define INDYCAM_BUTTON			0x48
+
+/* Field definitions of registers */
+#define INDYCAM_CONTROL_AGCENA		(1<<0) /* automatic gain control */
+#define INDYCAM_CONTROL_AWBCTL		(1<<1) /* automatic white balance */
+						/* 2-3 are reserved */
+#define INDYCAM_CONTROL_EVNFLD		(1<<4)	/* read-only */
+
+#define INDYCAM_SHUTTER_10000		0x02	/* 1/10000 second */
+#define INDYCAM_SHUTTER_4000		0x04	/* 1/4000 second */
+#define INDYCAM_SHUTTER_2000		0x08	/* 1/2000 second */
+#define INDYCAM_SHUTTER_1000		0x10	/* 1/1000 second */
+#define INDYCAM_SHUTTER_500		0x20	/* 1/500 second */
+#define INDYCAM_SHUTTER_250		0x3f	/* 1/250 second */
+#define INDYCAM_SHUTTER_125		0x7e	/* 1/125 second */
+#define INDYCAM_SHUTTER_100		0x9e	/* 1/100 second */
+#define INDYCAM_SHUTTER_60		0x00	/* 1/60 second */
+
+#define INDYCAM_LED_ACTIVE			0x10
+#define INDYCAM_LED_INACTIVE			0x30
+#define INDYCAM_ORIENTATION_BOTTOM_TO_TOP	0x40
+#define INDYCAM_BUTTON_RELEASED			0x10
+
+#define INDYCAM_SHUTTER_MIN		0x00
+#define INDYCAM_SHUTTER_MAX		0xff
+#define INDYCAM_GAIN_MIN                0x00
+#define INDYCAM_GAIN_MAX                0xff
+#define INDYCAM_RED_BALANCE_MIN 	0x00 /* the effect is the opposite? */
+#define INDYCAM_RED_BALANCE_MAX 	0xff
+#define INDYCAM_BLUE_BALANCE_MIN        0x00 /* the effect is the opposite? */
+#define INDYCAM_BLUE_BALANCE_MAX        0xff
+#define INDYCAM_RED_SATURATION_MIN      0x00
+#define INDYCAM_RED_SATURATION_MAX      0xff
+#define INDYCAM_BLUE_SATURATION_MIN	0x00
+#define INDYCAM_BLUE_SATURATION_MAX	0xff
+#define INDYCAM_GAMMA_MIN		0x00
+#define INDYCAM_GAMMA_MAX		0xff
+
+/* Driver interface definitions */
+
+#define INDYCAM_VALUE_ENABLED		1
+#define INDYCAM_VALUE_DISABLED		0
+#define INDYCAM_VALUE_UNCHANGED		-1
+
+/* When setting controls, a value of -1 leaves the control unchanged. */
+struct indycam_control {
+	int agc;	/* boolean */
+	int awb;	/* boolean */
+	int shutter;
+	int gain;
+	int red_balance;
+	int blue_balance;
+	int red_saturation;
+	int blue_saturation;
+	int gamma;
+};
+
+#define	DECODER_INDYCAM_GET_CONTROLS	_IOR('d', 193, struct indycam_control)
+#define	DECODER_INDYCAM_SET_CONTROLS	_IOW('d', 194, struct indycam_control)
+
+/* Default values for controls */
+
+#define INDYCAM_AGC_DEFAULT		INDYCAM_VALUE_ENABLED
+#define INDYCAM_AWB_DEFAULT		INDYCAM_VALUE_ENABLED
+
+#define INDYCAM_SHUTTER_DEFAULT		INDYCAM_SHUTTER_60
+#define INDYCAM_GAIN_DEFAULT		0x80
+#define INDYCAM_RED_BALANCE_DEFAULT	0x18
+#define INDYCAM_BLUE_BALANCE_DEFAULT	0xa4
+#define INDYCAM_RED_SATURATION_DEFAULT	0x80
+#define INDYCAM_BLUE_SATURATION_DEFAULT	0xc0
+#define INDYCAM_GAMMA_DEFAULT		0x80
+
+#endif