diff options
Diffstat (limited to 'sys/i386/isa/kbd.h')
| -rw-r--r-- | sys/i386/isa/kbd.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sys/i386/isa/kbd.h b/sys/i386/isa/kbd.h new file mode 100644 index 0000000..b7b6009 --- /dev/null +++ b/sys/i386/isa/kbd.h @@ -0,0 +1,56 @@ +/* + * Keyboard definitions + * from: unknown origin, 386BSD 0.1 + * $Id: kbd.h,v 1.2 1993/10/16 13:46:04 rgrimes Exp $ + */ + +#ifndef _I386_ISA_KBD_H_ +#define _I386_ISA_KBD_H_ 1 + +/* Reference: IBM AT Technical Reference Manual, + * pp. 1-38 to 1-43, 4-3 to 4-22 + */ + +/* commands sent to KBCMDP */ + +#define KBC_CMDREAD 0x20 /* read kbd cntrl command byte */ +#define KBC_CMDWRITE 0x60 /* == LD_CMDBYTE in kd.h, write command */ +#define KBC_SELFTEST 0xAA /* perform self test, returns 55 when ok */ +#define KBC_IFTEST 0xAB /* perform interface test */ +#define KBC_DIAGDUMP 0xAC /* send 19 status bytes to system */ +#define KBC_DISKBD 0xAD /* disable keyboard */ +#define KBC_ENAKBD 0xAE /* enable keyboard */ +#define KBC_RDINP 0xC0 /* read input port */ +#define KBC_RDID 0xC4 /* read keyboard ID */ +#define KBC_RDOUTP 0xD0 /* read output port */ +#define KBC_WROUTP 0xD1 /* write output port */ +#define KBC_RDTINP 0xE0 /* read test inputs */ + +/* commands sent to KBDATAP */ +#define KBC_STSIND 0xED /* set keyboard status indicators */ +#define KBC_ECHO 0xEE /* reply with 0xEE */ +#define KBC_SETTPM 0xF3 /* Set typematic rate/delay */ +#define KBC_ENABLE 0xF4 /* Start scanning */ +#define KBC_SETDEFD 0xF5 /* =KBC_SETDEF, but disable scanning */ +#define KBC_SETDEF 0xF6 /* Set power on defaults */ +#define KBC_RESEND 0xFE /* system wants keyboard to resend last code */ +#define KBC_RESET 0xFF /* Reset the keyboard */ + +/* responses */ +#define KBR_OVERRUN 0x00 /* Keyboard flooded */ +#define KBR_STOK 0x55 /* Selftest ok response */ +#define KBR_IFOK 0x00 /* Interface test ok */ +#define KBR_IFCL_SA0 0x01 /* Clock Stuck-at-0 fault */ +#define KBR_IFCL_SA1 0x02 /* Clock Stuck-at-1 fault */ +#define KBR_IFDA_SA0 0x03 /* Data Stuck-at-0 fault */ +#define KBR_IFDA_SA1 0x04 /* Data Stuck-at-1 fault */ +#define KBR_RSTDONE 0xAA /* Keyboard reset (BAT) complete */ +#define KBR_E0 0xE0 /* Extended prefix */ +#define KBR_E1 0xE1 /* BREAK'S HIT :-( */ +#define KBR_ECHO 0xEE /* Echo response */ +#define KBR_F0 0xF0 /* Break code prefix */ +#define KBR_ACK 0xFA /* Keyboard did receive command */ +#define KBR_BATFAIL 0xFC /* BAT failed */ +#define KBR_DIAGFAIL 0xFD /* Diagnostic failed response */ +#define KBR_RESEND 0xFE /* Keyboard needs resend of command */ +#endif /* _I386_ISA_KBD_H_ */ |
