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