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Implemented I2C support to get the DDC EDID info from the monitor - it's working as is, but

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nothing is done with the data yet (besides dumping them to the serial output).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22272 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2007-09-21 18:06:56 +00:00
parent 96eb4ebe33
commit 523a30f313
3 changed files with 86 additions and 1 deletions
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headers/private/graphics/intel_extreme/intel_extreme.h
+23
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@@ -308,6 +308,29 @@ struct intel_free_graphics_memory {
#define COMMAND_MODE_RGB16 0x01
#define COMMAND_MODE_RGB32 0x03
// i2c
#define INTEL_I2C_IO_A 0x5010
#define INTEL_I2C_IO_B 0x5014
#define INTEL_I2C_IO_C 0x5018
#define INTEL_I2C_IO_D 0x501c
#define INTEL_I2C_IO_E 0x5020
#define INTEL_I2C_IO_F 0x5024
#define INTEL_I2C_IO_G 0x5028
#define INTEL_I2C_IO_H 0x502c
#define I2C_CLOCK_DIRECTION_MASK (1 << 0)
#define I2C_CLOCK_DIRECTION_OUT (1 << 1)
#define I2C_CLOCK_VALUE_MASK (1 << 2)
#define I2C_CLOCK_VALUE_OUT (1 << 3)
#define I2C_CLOCK_VALUE_IN (1 << 4)
#define I2C_DATA_DIRECTION_MASK (1 << 8)
#define I2C_DATA_DIRECTION_OUT (1 << 9)
#define I2C_DATA_VALUE_MASK (1 << 10)
#define I2C_DATA_VALUE_OUT (1 << 11)
#define I2C_DATA_VALUE_IN (1 << 12)
#define I2C_RESERVED ((1 << 13) | (1 << 5))
// overlay
#define INTEL_OVERLAY_UPDATE 0x30000