linux-zen-desktop/drivers/input/serio/i8042-jazzio.h

66 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _I8042_JAZZ_H
#define _I8042_JAZZ_H
#include <asm/jazz.h>
/*
* Names.
*/
#define I8042_KBD_PHYS_DESC "R4030/serio0"
#define I8042_AUX_PHYS_DESC "R4030/serio1"
#define I8042_MUX_PHYS_DESC "R4030/serio%d"
/*
* IRQs.
*/
#define I8042_KBD_IRQ JAZZ_KEYBOARD_IRQ
#define I8042_AUX_IRQ JAZZ_MOUSE_IRQ
#define I8042_COMMAND_REG ((unsigned long)&jazz_kh->command)
#define I8042_STATUS_REG ((unsigned long)&jazz_kh->command)
#define I8042_DATA_REG ((unsigned long)&jazz_kh->data)
static inline int i8042_read_data(void)
{
return jazz_kh->data;
}
static inline int i8042_read_status(void)
{
return jazz_kh->command;
}
static inline void i8042_write_data(int val)
{
jazz_kh->data = val;
}
static inline void i8042_write_command(int val)
{
jazz_kh->command = val;
}
static inline int i8042_platform_init(void)
{
#if 0
/* XXX JAZZ_KEYBOARD_ADDRESS is a virtual address */
if (!request_mem_region(JAZZ_KEYBOARD_ADDRESS, 2, "i8042"))
return -EBUSY;
#endif
return 0;
}
static inline void i8042_platform_exit(void)
{
#if 0
release_mem_region(JAZZ_KEYBOARD_ADDRESS, 2);
#endif
}
#endif /* _I8042_JAZZ_H */