137 lines
2.5 KiB
C
137 lines
2.5 KiB
C
#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 */
|