73 lines
1.3 KiB
C
73 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _I8042_IP22_H
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#define _I8042_IP22_H
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#include <asm/sgi/ioc.h>
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#include <asm/sgi/ip22.h>
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/*
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* Names.
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*/
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#define I8042_KBD_PHYS_DESC "hpc3ps2/serio0"
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#define I8042_AUX_PHYS_DESC "hpc3ps2/serio1"
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#define I8042_MUX_PHYS_DESC "hpc3ps2/serio%d"
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/*
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* IRQs.
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*/
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#define I8042_KBD_IRQ SGI_KEYBD_IRQ
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#define I8042_AUX_IRQ SGI_KEYBD_IRQ
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/*
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* Register numbers.
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*/
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#define I8042_COMMAND_REG ((unsigned long)&sgioc->kbdmouse.command)
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#define I8042_STATUS_REG ((unsigned long)&sgioc->kbdmouse.command)
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#define I8042_DATA_REG ((unsigned long)&sgioc->kbdmouse.data)
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static inline int i8042_read_data(void)
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{
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return sgioc->kbdmouse.data;
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}
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static inline int i8042_read_status(void)
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{
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return sgioc->kbdmouse.command;
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}
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static inline void i8042_write_data(int val)
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{
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sgioc->kbdmouse.data = val;
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}
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static inline void i8042_write_command(int val)
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{
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sgioc->kbdmouse.command = val;
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}
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static inline int i8042_platform_init(void)
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{
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#if 0
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/* XXX sgi_kh is a virtual address */
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if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042"))
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return -EBUSY;
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#endif
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i8042_reset = I8042_RESET_ALWAYS;
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return 0;
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}
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static inline void i8042_platform_exit(void)
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{
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#if 0
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release_mem_region(JAZZ_KEYBOARD_ADDRESS, sizeof(struct hpc_keyb));
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#endif
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}
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#endif /* _I8042_IP22_H */
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