projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 | 1 | /* |
| 15637ed4 | 2 | * Keyboard definitions |
| 78ed81a3 | 3 | * from: unknown origin, 386BSD 0.1 |
| 4 | * $Id$ | |
| 15637ed4 RG |
5 | */ |
| 6 | ||
| 7 | /* Reference: IBM AT Technical Reference Manual, | |
| 8 | * pp. 1-38 to 1-43, 4-3 to 4-22 | |
| 9 | */ | |
| 10 | ||
| 11 | /* commands sent to KBCMDP */ | |
| 12 | ||
| 13 | #define KBC_CMDREAD 0x20 /* read kbd cntrl command byte */ | |
| 14 | #define KBC_CMDWRITE 0x60 /* == LD_CMDBYTE in kd.h, write command */ | |
| 15 | #define KBC_SELFTEST 0xAA /* perform self test, returns 55 when ok */ | |
| 16 | #define KBC_IFTEST 0xAB /* perform interface test */ | |
| 17 | #define KBC_DIAGDUMP 0xAC /* send 19 status bytes to system */ | |
| 18 | #define KBC_DISKBD 0xAD /* disable keyboard */ | |
| 19 | #define KBC_ENAKBD 0xAE /* enable keyboard */ | |
| 20 | #define KBC_RDINP 0xC0 /* read input port */ | |
| 21 | #define KBC_RDID 0xC4 /* read keyboard ID */ | |
| 22 | #define KBC_RDOUTP 0xD0 /* read output port */ | |
| 23 | #define KBC_WROUTP 0xD1 /* write output port */ | |
| 24 | #define KBC_RDTINP 0xE0 /* read test inputs */ | |
| 25 | ||
| 26 | /* commands sent to KBDATAP */ | |
| 27 | #define KBC_STSIND 0xED /* set keyboard status indicators */ | |
| 28 | #define KBC_ECHO 0xEE /* reply with 0xEE */ | |
| 29 | #define KBC_SETTPM 0xF3 /* Set typematic rate/delay */ | |
| 30 | #define KBC_ENABLE 0xF4 /* Start scanning */ | |
| 31 | #define KBC_SETDEFD 0xF5 /* =KBC_SETDEF, but disable scanning */ | |
| 32 | #define KBC_SETDEF 0xF6 /* Set power on defaults */ | |
| 33 | #define KBC_RESEND 0xFE /* system wants keyboard to resend last code */ | |
| 34 | #define KBC_RESET 0xFF /* Reset the keyboard */ | |
| 35 | ||
| 36 | /* responses */ | |
| 37 | #define KBR_OVERRUN 0x00 /* Keyboard flooded */ | |
| 38 | #define KBR_STOK 0x55 /* Selftest ok response */ | |
| 39 | #define KBR_IFOK 0x00 /* Interface test ok */ | |
| 40 | #define KBR_IFCL_SA0 0x01 /* Clock Stuck-at-0 fault */ | |
| 41 | #define KBR_IFCL_SA1 0x02 /* Clock Stuck-at-1 fault */ | |
| 42 | #define KBR_IFDA_SA0 0x03 /* Data Stuck-at-0 fault */ | |
| 43 | #define KBR_IFDA_SA1 0x04 /* Data Stuck-at-1 fault */ | |
| 44 | #define KBR_RSTDONE 0xAA /* Keyboard reset (BAT) complete */ | |
| 45 | #define KBR_E0 0xE0 /* Extended prefix */ | |
| 46 | #define KBR_E1 0xE1 /* BREAK'S HIT :-( */ | |
| 47 | #define KBR_ECHO 0xEE /* Echo response */ | |
| 48 | #define KBR_F0 0xF0 /* Break code prefix */ | |
| 49 | #define KBR_ACK 0xFA /* Keyboard did receive command */ | |
| 50 | #define KBR_BATFAIL 0xFC /* BAT failed */ | |
| 51 | #define KBR_DIAGFAIL 0xFD /* Diagnostic failed response */ | |
| 52 | #define KBR_RESEND 0xFE /* Keyboard needs resend of command */ |