[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 000000000000..d9ddb6b79a03
--- /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