diff options
Diffstat (limited to 'drivers/input/serio/i8042-ip22io.h')
| -rw-r--r-- | drivers/input/serio/i8042-ip22io.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/input/serio/i8042-ip22io.h b/drivers/input/serio/i8042-ip22io.h new file mode 100644 index 0000000000..6c7efa0174 --- /dev/null +++ b/drivers/input/serio/i8042-ip22io.h @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _I8042_IP22_H +#define _I8042_IP22_H + +#include <asm/sgi/ioc.h> +#include <asm/sgi/ip22.h> + + +/* + * Names. + */ + +#define I8042_KBD_PHYS_DESC "hpc3ps2/serio0" +#define I8042_AUX_PHYS_DESC "hpc3ps2/serio1" +#define I8042_MUX_PHYS_DESC "hpc3ps2/serio%d" + +/* + * IRQs. + */ + +#define I8042_KBD_IRQ SGI_KEYBD_IRQ +#define I8042_AUX_IRQ SGI_KEYBD_IRQ + +/* + * Register numbers. + */ + +#define I8042_COMMAND_REG ((unsigned long)&sgioc->kbdmouse.command) +#define I8042_STATUS_REG ((unsigned long)&sgioc->kbdmouse.command) +#define I8042_DATA_REG ((unsigned long)&sgioc->kbdmouse.data) + +static inline int i8042_read_data(void) +{ + return sgioc->kbdmouse.data; +} + +static inline int i8042_read_status(void) +{ + return sgioc->kbdmouse.command; +} + +static inline void i8042_write_data(int val) +{ + sgioc->kbdmouse.data = val; +} + +static inline void i8042_write_command(int val) +{ + sgioc->kbdmouse.command = val; +} + +static inline int i8042_platform_init(void) +{ +#if 0 + /* XXX sgi_kh is a virtual address */ + if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042")) + return -EBUSY; +#endif + + i8042_reset = I8042_RESET_ALWAYS; + + return 0; +} + +static inline void i8042_platform_exit(void) +{ +#if 0 + release_mem_region(JAZZ_KEYBOARD_ADDRESS, sizeof(struct hpc_keyb)); +#endif +} + +#endif /* _I8042_IP22_H */ |