53 lines
2.2 KiB
C
53 lines
2.2 KiB
C
/* $NetBSD: kbdreg.h,v 1.2 1996/07/16 23:24:23 thorpej Exp $ */
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/*
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* Keyboard definitions
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*/
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#define KBSTATP (PICA_SYS_KBD + 0x61) /* controller status port (I) */
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#define KBS_DIB 0x01 /* data in buffer */
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#define KBS_IBF 0x02 /* input buffer low */
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#define KBS_WARM 0x04 /* input buffer low */
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#define KBS_OCMD 0x08 /* output buffer has command */
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#define KBS_NOSEC 0x10 /* security lock not engaged */
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#define KBS_TERR 0x20 /* transmission error */
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#define KBS_RERR 0x40 /* receive error */
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#define KBS_PERR 0x80 /* parity error */
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#define KBCMDP (PICA_SYS_KBD + 0x61) /* controller port (O) */
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#define KBDATAP (PICA_SYS_KBD + 0x60) /* data port (I) */
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#define KBOUTP (PICA_SYS_KBD + 0x60) /* data port (O) */
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#define K_RDCMDBYTE 0x20
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#define K_LDCMDBYTE 0x60
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#define KC8_TRANS 0x40 /* convert to old scan codes */
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#define KC8_MDISABLE 0x20 /* disable mouse */
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#define KC8_KDISABLE 0x10 /* disable keyboard */
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#define KC8_IGNSEC 0x08 /* ignore security lock */
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#define KC8_CPU 0x04 /* exit from protected mode reset */
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#define KC8_MENABLE 0x02 /* enable mouse interrupt */
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#define KC8_KENABLE 0x01 /* enable keyboard interrupt */
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#define CMDBYTE (KC8_TRANS|KC8_CPU|KC8_MENABLE|KC8_KENABLE)
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/* keyboard commands */
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#define KBC_RESET 0xFF /* reset the keyboard */
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#define KBC_RESEND 0xFE /* request the keyboard resend the last byte */
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#define KBC_SETDEFAULT 0xF6 /* resets keyboard to its power-on defaults */
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#define KBC_DISABLE 0xF5 /* as per KBC_SETDEFAULT, but also disable key scanning */
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#define KBC_ENABLE 0xF4 /* enable key scanning */
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#define KBC_TYPEMATIC 0xF3 /* set typematic rate and delay */
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#define KBC_SETTABLE 0xF0 /* set scancode translation table */
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#define KBC_MODEIND 0xED /* set mode indicators (i.e. LEDs) */
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#define KBC_ECHO 0xEE /* request an echo from the keyboard */
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/* keyboard responses */
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#define KBR_EXTENDED 0xE0 /* extended key sequence */
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#define KBR_RESEND 0xFE /* needs resend of command */
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#define KBR_ACK 0xFA /* received a valid command */
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#define KBR_OVERRUN 0x00 /* flooded */
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#define KBR_FAILURE 0xFD /* diagnosic failure */
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#define KBR_BREAK 0xF0 /* break code prefix - sent on key release */
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#define KBR_RSTDONE 0xAA /* reset complete */
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#define KBR_ECHO 0xEE /* echo response */
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