diff options
Diffstat (limited to 'include/linux/apple-gmux.h')
| -rw-r--r-- | include/linux/apple-gmux.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/apple-gmux.h b/include/linux/apple-gmux.h index ddb10aa67b14..80efaaf89e07 100644 --- a/include/linux/apple-gmux.h +++ b/include/linux/apple-gmux.h @@ -11,6 +11,29 @@ #define GMUX_ACPI_HID "APP000B" +/* + * gmux port offsets. Many of these are not yet used, but may be in the + * future, and it's useful to have them documented here anyhow. + */ +#define GMUX_PORT_VERSION_MAJOR 0x04 +#define GMUX_PORT_VERSION_MINOR 0x05 +#define GMUX_PORT_VERSION_RELEASE 0x06 +#define GMUX_PORT_SWITCH_DISPLAY 0x10 +#define GMUX_PORT_SWITCH_GET_DISPLAY 0x11 +#define GMUX_PORT_INTERRUPT_ENABLE 0x14 +#define GMUX_PORT_INTERRUPT_STATUS 0x16 +#define GMUX_PORT_SWITCH_DDC 0x28 +#define GMUX_PORT_SWITCH_EXTERNAL 0x40 +#define GMUX_PORT_SWITCH_GET_EXTERNAL 0x41 +#define GMUX_PORT_DISCRETE_POWER 0x50 +#define GMUX_PORT_MAX_BRIGHTNESS 0x70 +#define GMUX_PORT_BRIGHTNESS 0x74 +#define GMUX_PORT_VALUE 0xc2 +#define GMUX_PORT_READ 0xd0 +#define GMUX_PORT_WRITE 0xd4 + +#define GMUX_MIN_IO_LEN (GMUX_PORT_BRIGHTNESS + 4) + #if IS_ENABLED(CONFIG_APPLE_GMUX) /** |