#ifndef _I8042_PPCIO_H
#define _I8042_PPCIO_H
/*
* 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.
*/
#if defined(CONFIG_WALNUT)
#define I8042_KBD_IRQ 25
#define I8042_AUX_IRQ 26
#define I8042_KBD_PHYS_DESC "walnutps2/serio0"
#define I8042_AUX_PHYS_DESC "walnutps2/serio1"
#define I8042_MUX_PHYS_DESC "walnutps2/serio%d"
extern void *kb_cs;
extern void *kb_data;
#define I8042_COMMAND_REG (*(int *)kb_cs)
#define I8042_DATA_REG (*(int *)kb_data)
static inline int i8042_read_data(void)
{
return readb(kb_data);
}
static inline int i8042_read_status(void)
{
return readb(kb_cs);
}
static inline void i8042_write_data(int val)
{
writeb(val, kb_data);
}
static inline void i8042_write_command(int val)
{
writeb(val, kb_cs);
}
static inline int i8042_platform_init(void)
{
i8042_reset = 1;
return 0;
}
static inline void i8042_platform_exit(void)
{
}
#elif defined(CONFIG_SPRUCE)
#define I8042_KBD_IRQ 22
#define I8042_AUX_IRQ 21
#define I8042_KBD_PHYS_DESC "spruceps2/serio0"
#define I8042_AUX_PHYS_DESC "spruceps2/serio1"
#define I8042_MUX_PHYS_DESC "spruceps2/serio%d"
#define I8042_COMMAND_REG 0xff810000
#define I8042_DATA_REG 0xff810001
static inline int i8042_read_data(void)
{
unsigned long kbd_data;
__raw_writel(0x00000088, 0xff500008);
eieio();
__raw_writel(0x03000000, 0xff50000c);
eieio();
asm volatile("lis 7,0xff88 \n\
lswi 6,7,0x8 \n\
mr %0,6"
: "=r" (kbd_data) :: "6", "7");
__raw_writel(0x00000000, 0xff50000c);
eieio();
return (unsigned char)(kbd_data >> 24);
}
static inline int i8042_read_status(void)
{
unsigned long kbd_status;
__raw_writel(0x00000088, 0xff500008);
eieio();
__raw_writel(0x03000000, 0xff50000c);
eieio();
asm volatile("lis 7,0xff88 \n\
ori 7,7,0x8 \n\
lswi 6,7,0x8 \n\
mr %0,6"
: "=r" (kbd_status) :: "6", "7");
__raw_writel(0x00000000, 0xff50000c);
eieio();
return (unsigned char)(kbd_status >> 24);
}
static inline void i8042_write_data(int val)
{
*((unsigned char *)0xff810000) = (char)val;
}
static inline void i8042_write_command(int val)
{
*((unsigned char *)0xff810001) = (char)val;
}
static inline int i8042_platform_init(void)
{
i8042_reset = 1;
return 0;
}
static inline void i8042_platform_exit(void)
{
}
#else
#include "i8042-io.h"
#endif
#endif /* _I8042_PPCIO_H */
