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unicore32 machine related files: ps2 driver

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This patch implements arch-specific ps2 driver.

By reviewed with Dmitry Torokhov:
     1. move i8042-ucio.h to drivers/input/serio/i8042-unicore32io.h
     2. move puv3_ps2_init() to arch/unicore32/kernel/puv3-core.c
     3. remove unused comments.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
GuanXuetao 2011-01-15 18:28:19 +08:00
parent 700598cef8
commit 425ad52b86
2 changed files with 72 additions and 0 deletions
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70
drivers/input/serio/i8042-unicore32io.h Normal file
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@ -0,0 +1,70 @@
/*
* Code specific to PKUnity SoC and UniCore ISA
*
* Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
* Copyright (C) 2001-2011 Guan Xuetao
*
* 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.
*/
#ifndef _I8042_UNICORE32_H
#define _I8042_UNICORE32_H
#include <mach/hardware.h>
/*
* Names.
*/
#define I8042_KBD_PHYS_DESC "isa0060/serio0"
#define I8042_AUX_PHYS_DESC "isa0060/serio1"
#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
/*
* IRQs.
*/
#define I8042_KBD_IRQ IRQ_PS2_KBD
#define I8042_AUX_IRQ IRQ_PS2_AUX
/*
* Register numbers.
*/
#define I8042_COMMAND_REG ((unsigned long)&PS2_COMMAND)
#define I8042_STATUS_REG ((unsigned long)&PS2_STATUS)
#define I8042_DATA_REG ((unsigned long)&PS2_DATA)
static inline int i8042_read_data(void)
{
return inb(I8042_DATA_REG);
}
static inline int i8042_read_status(void)
{
return inb(I8042_STATUS_REG);
}
static inline void i8042_write_data(int val)
{
outb(val, I8042_DATA_REG);
}
static inline void i8042_write_command(int val)
{
outb(val, I8042_COMMAND_REG);
}
static inline int i8042_platform_init(void)
{
if (!request_region(I8042_DATA_REG, 16, "i8042"))
return -EBUSY;
i8042_reset = 1;
return 0;
}
static inline void i8042_platform_exit(void)
{
release_region(I8042_DATA_REG, 16);
}
#endif /* _I8042_UNICORE32_H */

2
drivers/input/serio/i8042.h
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@ -26,6 +26,8 @@
#include "i8042-sparcio.h"
#elif defined(CONFIG_X86) || defined(CONFIG_IA64)
#include "i8042-x86ia64io.h"
#elif defined(CONFIG_UNICORE32)
#include "i8042-unicore32io.h"
#else
#include "i8042-io.h"
#endif