projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _I8042_IP22_H |
| 2 | #define _I8042_IP22_H | |
| 3 | ||
| 4 | #include <asm/sgi/ioc.h> | |
| 5 | #include <asm/sgi/ip22.h> | |
| 6 | ||
| 7 | /* | |
| 8 | * This program is free software; you can redistribute it and/or modify it | |
| 9 | * under the terms of the GNU General Public License version 2 as published by | |
| 10 | * the Free Software Foundation. | |
| 11 | */ | |
| 12 | ||
| 13 | /* | |
| 14 | * Names. | |
| 15 | */ | |
| 16 | ||
| 17 | #define I8042_KBD_PHYS_DESC "hpc3ps2/serio0" | |
| 18 | #define I8042_AUX_PHYS_DESC "hpc3ps2/serio1" | |
| 19 | #define I8042_MUX_PHYS_DESC "hpc3ps2/serio%d" | |
| 20 | ||
| 21 | /* | |
| 22 | * IRQs. | |
| 23 | */ | |
| 24 | ||
| 25 | #define I8042_KBD_IRQ SGI_KEYBD_IRQ | |
| 26 | #define I8042_AUX_IRQ SGI_KEYBD_IRQ | |
| 27 | ||
| 28 | /* | |
| 29 | * Register numbers. | |
| 30 | */ | |
| 31 | ||
| 32 | #define I8042_COMMAND_REG ((unsigned long)&sgioc->kbdmouse.command) | |
| 33 | #define I8042_STATUS_REG ((unsigned long)&sgioc->kbdmouse.command) | |
| 34 | #define I8042_DATA_REG ((unsigned long)&sgioc->kbdmouse.data) | |
| 35 | ||
| 36 | static inline int i8042_read_data(void) | |
| 37 | { | |
| 38 | return sgioc->kbdmouse.data; | |
| 39 | } | |
| 40 | ||
| 41 | static inline int i8042_read_status(void) | |
| 42 | { | |
| 43 | return sgioc->kbdmouse.command; | |
| 44 | } | |
| 45 | ||
| 46 | static inline void i8042_write_data(int val) | |
| 47 | { | |
| 48 | sgioc->kbdmouse.data = val; | |
| 49 | } | |
| 50 | ||
| 51 | static inline void i8042_write_command(int val) | |
| 52 | { | |
| 53 | sgioc->kbdmouse.command = val; | |
| 54 | } | |
| 55 | ||
| 56 | static inline int i8042_platform_init(void) | |
| 57 | { | |
| 58 | #if 0 | |
| 59 | /* XXX sgi_kh is a virtual address */ | |
| 60 | if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042")) | |
| 8d5987a6 | 61 | return -EBUSY; |
| 1da177e4 LT |
62 | #endif |
| 63 | ||
| 64 | i8042_reset = 1; | |
| 65 | ||
| 66 | return 0; | |
| 67 | } | |
| 68 | ||
| 69 | static inline void i8042_platform_exit(void) | |
| 70 | { | |
| 71 | #if 0 | |
| 72 | release_mem_region(JAZZ_KEYBOARD_ADDRESS, sizeof(struct hpc_keyb)); | |
| 73 | #endif | |
| 74 | } | |
| 75 | ||
| 76 | #endif /* _I8042_IP22_H */ |