162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci#ifndef _I8042_IP22_H 362306a36Sopenharmony_ci#define _I8042_IP22_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <asm/sgi/ioc.h> 662306a36Sopenharmony_ci#include <asm/sgi/ip22.h> 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci/* 1062306a36Sopenharmony_ci * Names. 1162306a36Sopenharmony_ci */ 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci#define I8042_KBD_PHYS_DESC "hpc3ps2/serio0" 1462306a36Sopenharmony_ci#define I8042_AUX_PHYS_DESC "hpc3ps2/serio1" 1562306a36Sopenharmony_ci#define I8042_MUX_PHYS_DESC "hpc3ps2/serio%d" 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci/* 1862306a36Sopenharmony_ci * IRQs. 1962306a36Sopenharmony_ci */ 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci#define I8042_KBD_IRQ SGI_KEYBD_IRQ 2262306a36Sopenharmony_ci#define I8042_AUX_IRQ SGI_KEYBD_IRQ 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci/* 2562306a36Sopenharmony_ci * Register numbers. 2662306a36Sopenharmony_ci */ 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci#define I8042_COMMAND_REG ((unsigned long)&sgioc->kbdmouse.command) 2962306a36Sopenharmony_ci#define I8042_STATUS_REG ((unsigned long)&sgioc->kbdmouse.command) 3062306a36Sopenharmony_ci#define I8042_DATA_REG ((unsigned long)&sgioc->kbdmouse.data) 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_cistatic inline int i8042_read_data(void) 3362306a36Sopenharmony_ci{ 3462306a36Sopenharmony_ci return sgioc->kbdmouse.data; 3562306a36Sopenharmony_ci} 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_cistatic inline int i8042_read_status(void) 3862306a36Sopenharmony_ci{ 3962306a36Sopenharmony_ci return sgioc->kbdmouse.command; 4062306a36Sopenharmony_ci} 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_cistatic inline void i8042_write_data(int val) 4362306a36Sopenharmony_ci{ 4462306a36Sopenharmony_ci sgioc->kbdmouse.data = val; 4562306a36Sopenharmony_ci} 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_cistatic inline void i8042_write_command(int val) 4862306a36Sopenharmony_ci{ 4962306a36Sopenharmony_ci sgioc->kbdmouse.command = val; 5062306a36Sopenharmony_ci} 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_cistatic inline int i8042_platform_init(void) 5362306a36Sopenharmony_ci{ 5462306a36Sopenharmony_ci#if 0 5562306a36Sopenharmony_ci /* XXX sgi_kh is a virtual address */ 5662306a36Sopenharmony_ci if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042")) 5762306a36Sopenharmony_ci return -EBUSY; 5862306a36Sopenharmony_ci#endif 5962306a36Sopenharmony_ci 6062306a36Sopenharmony_ci i8042_reset = I8042_RESET_ALWAYS; 6162306a36Sopenharmony_ci 6262306a36Sopenharmony_ci return 0; 6362306a36Sopenharmony_ci} 6462306a36Sopenharmony_ci 6562306a36Sopenharmony_cistatic inline void i8042_platform_exit(void) 6662306a36Sopenharmony_ci{ 6762306a36Sopenharmony_ci#if 0 6862306a36Sopenharmony_ci release_mem_region(JAZZ_KEYBOARD_ADDRESS, sizeof(struct hpc_keyb)); 6962306a36Sopenharmony_ci#endif 7062306a36Sopenharmony_ci} 7162306a36Sopenharmony_ci 7262306a36Sopenharmony_ci#endif /* _I8042_IP22_H */ 73