mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 08:35:10 +07:00
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Code specific to PKUnity SoC and UniCore ISA
|
|
*
|
|
* Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
|
|
* Copyright (C) 2001-2011 Guan Xuetao
|
|
*/
|
|
#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 PS2_COMMAND
|
|
#define I8042_STATUS_REG PS2_STATUS
|
|
#define I8042_DATA_REG PS2_DATA
|
|
|
|
#define I8042_REGION_START (resource_size_t)(PS2_DATA)
|
|
#define I8042_REGION_SIZE (resource_size_t)(16)
|
|
|
|
static inline int i8042_read_data(void)
|
|
{
|
|
return readb(I8042_DATA_REG);
|
|
}
|
|
|
|
static inline int i8042_read_status(void)
|
|
{
|
|
return readb(I8042_STATUS_REG);
|
|
}
|
|
|
|
static inline void i8042_write_data(int val)
|
|
{
|
|
writeb(val, I8042_DATA_REG);
|
|
}
|
|
|
|
static inline void i8042_write_command(int val)
|
|
{
|
|
writeb(val, I8042_COMMAND_REG);
|
|
}
|
|
|
|
static inline int i8042_platform_init(void)
|
|
{
|
|
if (!request_mem_region(I8042_REGION_START, I8042_REGION_SIZE, "i8042"))
|
|
return -EBUSY;
|
|
|
|
i8042_reset = I8042_RESET_ALWAYS;
|
|
return 0;
|
|
}
|
|
|
|
static inline void i8042_platform_exit(void)
|
|
{
|
|
release_mem_region(I8042_REGION_START, I8042_REGION_SIZE);
|
|
}
|
|
|
|
#endif /* _I8042_UNICORE32_H */
|