projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _I8042_H |
| 2 | #define _I8042_H | |
| 3 | ||
| 1da177e4 LT |
4 | |
| 5 | /* | |
| 6 | * Copyright (c) 1999-2002 Vojtech Pavlik | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify it | |
| 9 | * under the terms of the GNU General Public License version 2 as published by | |
| 10 | * the Free Software Foundation. | |
| 11 | */ | |
| 12 | ||
| 13 | /* | |
| 14 | * Arch-dependent inline functions and defines. | |
| 15 | */ | |
| 16 | ||
| 17 | #if defined(CONFIG_MACH_JAZZ) | |
| 18 | #include "i8042-jazzio.h" | |
| 19 | #elif defined(CONFIG_SGI_IP22) | |
| 20 | #include "i8042-ip22io.h" | |
| 21 | #elif defined(CONFIG_PPC) | |
| 22 | #include "i8042-ppcio.h" | |
| 0b57ee9e | 23 | #elif defined(CONFIG_SPARC) |
| 1da177e4 LT |
24 | #include "i8042-sparcio.h" |
| 25 | #elif defined(CONFIG_X86) || defined(CONFIG_IA64) | |
| 26 | #include "i8042-x86ia64io.h" | |
| 27 | #else | |
| 28 | #include "i8042-io.h" | |
| 29 | #endif | |
| 30 | ||
| 31 | /* | |
| 32 | * This is in 50us units, the time we wait for the i8042 to react. This | |
| 33 | * has to be long enough for the i8042 itself to timeout on sending a byte | |
| 34 | * to a non-existent mouse. | |
| 35 | */ | |
| 36 | ||
| 37 | #define I8042_CTL_TIMEOUT 10000 | |
| 38 | ||
| 1da177e4 LT |
39 | /* |
| 40 | * Status register bits. | |
| 41 | */ | |
| 42 | ||
| 43 | #define I8042_STR_PARITY 0x80 | |
| 44 | #define I8042_STR_TIMEOUT 0x40 | |
| 45 | #define I8042_STR_AUXDATA 0x20 | |
| 46 | #define I8042_STR_KEYLOCK 0x10 | |
| 47 | #define I8042_STR_CMDDAT 0x08 | |
| 48 | #define I8042_STR_MUXERR 0x04 | |
| 49 | #define I8042_STR_IBF 0x02 | |
| 50 | #define I8042_STR_OBF 0x01 | |
| 51 | ||
| 52 | /* | |
| 53 | * Control register bits. | |
| 54 | */ | |
| 55 | ||
| 56 | #define I8042_CTR_KBDINT 0x01 | |
| 57 | #define I8042_CTR_AUXINT 0x02 | |
| 58 | #define I8042_CTR_IGNKEYLOCK 0x08 | |
| 59 | #define I8042_CTR_KBDDIS 0x10 | |
| 60 | #define I8042_CTR_AUXDIS 0x20 | |
| 61 | #define I8042_CTR_XLATE 0x40 | |
| 62 | ||
| 1da177e4 LT |
63 | /* |
| 64 | * Return codes. | |
| 65 | */ | |
| 66 | ||
| 67 | #define I8042_RET_CTL_TEST 0x55 | |
| 68 | ||
| 69 | /* | |
| 70 | * Expected maximum internal i8042 buffer size. This is used for flushing | |
| 71 | * the i8042 buffers. | |
| 72 | */ | |
| 73 | ||
| 74 | #define I8042_BUFFER_SIZE 16 | |
| 75 | ||
| 76 | /* | |
| 77 | * Number of AUX ports on controllers supporting active multiplexing | |
| 78 | * specification | |
| 79 | */ | |
| 80 | ||
| 81 | #define I8042_NUM_MUX_PORTS 4 | |
| 82 | ||
| 83 | /* | |
| 84 | * Debug. | |
| 85 | */ | |
| 86 | ||
| 87 | #ifdef DEBUG | |
| 88 | static unsigned long i8042_start_time; | |
| 89 | #define dbg_init() do { i8042_start_time = jiffies; } while (0) | |
| 90 | #define dbg(format, arg...) \ | |
| 91 | do { \ | |
| 92 | if (i8042_debug) \ | |
| 93 | printk(KERN_DEBUG __FILE__ ": " format " [%d]\n" , \ | |
| 94 | ## arg, (int) (jiffies - i8042_start_time)); \ | |
| 95 | } while (0) | |
| 96 | #else | |
| 97 | #define dbg_init() do { } while (0) | |
| 98 | #define dbg(format, arg...) do {} while (0) | |
| 99 | #endif | |
| 100 | ||
| 101 | #endif /* _I8042_H */ |