Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#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_IP22)

#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"

#elif defined(CONFIG_OR32)

#include "i8042-or32.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 */