diff options
Diffstat (limited to 'drivers/input/serio/i8042-jazzio.h')
-rw-r--r-- | drivers/input/serio/i8042-jazzio.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/input/serio/i8042-jazzio.h b/drivers/input/serio/i8042-jazzio.h new file mode 100644 index 0000000000..4c2a96f912 --- /dev/null +++ b/drivers/input/serio/i8042-jazzio.h @@ -0,0 +1,65 @@ +/* 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 */ |