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| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | #ifndef _I8042_IP22_H |
| 3 | #define _I8042_IP22_H |
| 4 | |
| 5 | #include <asm/sgi/ioc.h> |
| 6 | #include <asm/sgi/ip22.h> |
| 7 | |
| 8 | |
| 9 | /* |
| 10 | * Names. |
| 11 | */ |
| 12 | |
| 13 | #define I8042_KBD_PHYS_DESC "hpc3ps2/serio0" |
| 14 | #define I8042_AUX_PHYS_DESC "hpc3ps2/serio1" |
| 15 | #define I8042_MUX_PHYS_DESC "hpc3ps2/serio%d" |
| 16 | |
| 17 | /* |
| 18 | * IRQs. |
| 19 | */ |
| 20 | |
| 21 | #define I8042_KBD_IRQ SGI_KEYBD_IRQ |
| 22 | #define I8042_AUX_IRQ SGI_KEYBD_IRQ |
| 23 | |
| 24 | /* |
| 25 | * Register numbers. |
| 26 | */ |
| 27 | |
| 28 | #define I8042_COMMAND_REG ((unsigned long)&sgioc->kbdmouse.command) |
| 29 | #define I8042_STATUS_REG ((unsigned long)&sgioc->kbdmouse.command) |
| 30 | #define I8042_DATA_REG ((unsigned long)&sgioc->kbdmouse.data) |
| 31 | |
| 32 | static inline int i8042_read_data(void) |
| 33 | { |
| 34 | return sgioc->kbdmouse.data; |
| 35 | } |
| 36 | |
| 37 | static inline int i8042_read_status(void) |
| 38 | { |
| 39 | return sgioc->kbdmouse.command; |
| 40 | } |
| 41 | |
| 42 | static inline void i8042_write_data(int val) |
| 43 | { |
| 44 | sgioc->kbdmouse.data = val; |
| 45 | } |
| 46 | |
| 47 | static inline void i8042_write_command(int val) |
| 48 | { |
| 49 | sgioc->kbdmouse.command = val; |
| 50 | } |
| 51 | |
| 52 | static inline int i8042_platform_init(void) |
| 53 | { |
| 54 | #if 0 |
| 55 | /* XXX sgi_kh is a virtual address */ |
| 56 | if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042")) |
| 57 | return -EBUSY; |
| 58 | #endif |
| 59 | |
| 60 | i8042_reset = I8042_RESET_ALWAYS; |
| 61 | |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | static inline void i8042_platform_exit(void) |
| 66 | { |
| 67 | #if 0 |
| 68 | release_mem_region(JAZZ_KEYBOARD_ADDRESS, sizeof(struct hpc_keyb)); |
| 69 | #endif |
| 70 | } |
| 71 | |
| 72 | #endif /* _I8042_IP22_H */ |
| 73 |
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