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[/] [openrisc/] [trunk/] [bootloaders/] [orpmon/] [include/] [keyboard.h] - Rev 194
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#if KBD_ENABLED /* * keyboard controller registers */ #define KBD_STATUS_REG (unsigned int) KBD_BASE_ADD+0x4 #define KBD_CNTL_REG (unsigned int) KBD_BASE_ADD+0x4 #define KBD_DATA_REG (unsigned int) KBD_BASE_ADD+0x0 /* * controller commands */ #define KBD_READ_MODE (unsigned int) 0x20 #define KBD_WRITE_MODE (unsigned int) 0x60 #define KBD_SELF_TEST (unsigned int) 0xAA #define KBD_SELF_TEST2 (unsigned int) 0xAB #define KBD_CNTL_ENABLE (unsigned int) 0xAE /* * keyboard commands */ #define KBD_ENABLE (unsigned int) 0xF4 #define KBD_DISABLE (unsigned int) 0xF5 #define KBD_RESET (unsigned int) 0xFF /* * keyboard replies */ #define KBD_ACK (unsigned int) 0xFA #define KBD_POR (unsigned int) 0xAA /* * status register bits */ #define KBD_OBF (unsigned int) 0x01 #define KBD_IBF (unsigned int) 0x02 #define KBD_GTO (unsigned int) 0x40 #define KBD_PERR (unsigned int) 0x80 /* * keyboard controller mode register bits */ #define KBD_EKI (unsigned int) 0x01 #define KBD_SYS (unsigned int) 0x04 #define KBD_DMS (unsigned int) 0x20 #define KBD_KCC (unsigned int) 0x40 #define TIMEOUT_CONST 500000 extern volatile int kbd_tail; extern volatile int kbd_head; extern volatile int kbd_buf[KBDBUF_SIZE]; extern int kbd_init(void); #endif /* KBD_ENABLED */
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