diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/i8042.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/i8042.h b/include/i8042.h index 13952899ba..6f8e05af2c 100644 --- a/include/i8042.h +++ b/include/i8042.h @@ -39,6 +39,35 @@ #define I8042_STATUS_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard status read */ #define I8042_COMMAND_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard ctrl write */ +/* Status register bits */ +#define I8042_STR_PARITY 0x80 +#define I8042_STR_TIMEOUT 0x40 +#define I8042_STR_AUXDATA 0x20 +#define I8042_STR_KEYLOCK 0x10 +#define I8042_STR_CMDDAT 0x08 +#define I8042_STR_MUXERR 0x04 +#define I8042_STR_IBF 0x02 +#define I8042_STR_OBF 0x01 + +/* Command port commands (to i8042 controller) */ +#define I8042_CMD_SET_CMD_BYTE 0x60 +#define I8042_CMD_ENABLE_KBD 0xae + +/* Data port commands (to PS/2 device) */ +#define I8042_DATA_LED_WRITE 0xed +#define I8042_DATA_KBD_RESET 0xff + +/* LED bits */ +#define I8042_LED_SCROLL_LOCK 0x01 +#define I8042_LED_NUM_LOCK 0x02 +#define I8042_LED_CAPS_LOCK 0x04 +#define I8042_LED_MASK (I8042_LED_SCROLL_LOCK | \ + I8042_LED_NUM_LOCK | \ + I8042_LED_CAPS_LOCK) + + + + #define KBD_US 0 /* default US layout */ #define KBD_GER 1 /* german layout */ |