| #ifndef _I8042_H |
| #define _I8042_H |
| |
| |
| /* |
| * Copyright (c) 1999-2002 Vojtech Pavlik |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published by |
| * the Free Software Foundation. |
| */ |
| |
| /* |
| * Arch-dependent inline functions and defines. |
| */ |
| |
| #if defined(CONFIG_MACH_JAZZ) |
| #include "i8042-jazzio.h" |
| #elif defined(CONFIG_SGI_HAS_I8042) |
| #include "i8042-ip22io.h" |
| #elif defined(CONFIG_PPC) |
| #include "i8042-ppcio.h" |
| #elif defined(CONFIG_SPARC) |
| #include "i8042-sparcio.h" |
| #elif defined(CONFIG_X86) || defined(CONFIG_IA64) |
| #include "i8042-x86ia64io.h" |
| #else |
| #include "i8042-io.h" |
| #endif |
| |
| /* |
| * This is in 50us units, the time we wait for the i8042 to react. This |
| * has to be long enough for the i8042 itself to timeout on sending a byte |
| * to a non-existent mouse. |
| */ |
| |
| #define I8042_CTL_TIMEOUT 10000 |
| |
| /* |
| * Status register bits. |
| */ |
| |
| #define I8042_STR_PARITY 0x80 |
| #define I8042_STR_TIMEOUT 0x40 |
| #define I8042_STR_AUXDATA 0x20 |
| #define I8042_STR_KEYLOCK 0x10 |
| #define I8042_STR_CMDDAT 0x08 |
| #define I8042_STR_MUXERR 0x04 |
| #define I8042_STR_IBF 0x02 |
| #define I8042_STR_OBF 0x01 |
| |
| /* |
| * Control register bits. |
| */ |
| |
| #define I8042_CTR_KBDINT 0x01 |
| #define I8042_CTR_AUXINT 0x02 |
| #define I8042_CTR_IGNKEYLOCK 0x08 |
| #define I8042_CTR_KBDDIS 0x10 |
| #define I8042_CTR_AUXDIS 0x20 |
| #define I8042_CTR_XLATE 0x40 |
| |
| /* |
| * Return codes. |
| */ |
| |
| #define I8042_RET_CTL_TEST 0x55 |
| |
| /* |
| * Expected maximum internal i8042 buffer size. This is used for flushing |
| * the i8042 buffers. |
| */ |
| |
| #define I8042_BUFFER_SIZE 16 |
| |
| /* |
| * Number of AUX ports on controllers supporting active multiplexing |
| * specification |
| */ |
| |
| #define I8042_NUM_MUX_PORTS 4 |
| |
| /* |
| * Debug. |
| */ |
| |
| #ifdef DEBUG |
| static unsigned long i8042_start_time; |
| #define dbg_init() do { i8042_start_time = jiffies; } while (0) |
| #define dbg(format, arg...) \ |
| do { \ |
| if (i8042_debug) \ |
| printk(KERN_DEBUG __FILE__ ": " format " [%d]\n" , \ |
| ## arg, (int) (jiffies - i8042_start_time)); \ |
| } while (0) |
| #else |
| #define dbg_init() do { } while (0) |
| #define dbg(format, arg...) do {} while (0) |
| #endif |
| |
| #endif /* _I8042_H */ |
