1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun #ifndef _I8042_JAZZ_H 3*4882a593Smuzhiyun #define _I8042_JAZZ_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <asm/jazz.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun /* 9*4882a593Smuzhiyun * Names. 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define I8042_KBD_PHYS_DESC "R4030/serio0" 13*4882a593Smuzhiyun #define I8042_AUX_PHYS_DESC "R4030/serio1" 14*4882a593Smuzhiyun #define I8042_MUX_PHYS_DESC "R4030/serio%d" 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* 17*4882a593Smuzhiyun * IRQs. 18*4882a593Smuzhiyun */ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define I8042_KBD_IRQ JAZZ_KEYBOARD_IRQ 21*4882a593Smuzhiyun #define I8042_AUX_IRQ JAZZ_MOUSE_IRQ 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #define I8042_COMMAND_REG ((unsigned long)&jazz_kh->command) 24*4882a593Smuzhiyun #define I8042_STATUS_REG ((unsigned long)&jazz_kh->command) 25*4882a593Smuzhiyun #define I8042_DATA_REG ((unsigned long)&jazz_kh->data) 26*4882a593Smuzhiyun i8042_read_data(void)27*4882a593Smuzhiyunstatic inline int i8042_read_data(void) 28*4882a593Smuzhiyun { 29*4882a593Smuzhiyun return jazz_kh->data; 30*4882a593Smuzhiyun } 31*4882a593Smuzhiyun i8042_read_status(void)32*4882a593Smuzhiyunstatic inline int i8042_read_status(void) 33*4882a593Smuzhiyun { 34*4882a593Smuzhiyun return jazz_kh->command; 35*4882a593Smuzhiyun } 36*4882a593Smuzhiyun i8042_write_data(int val)37*4882a593Smuzhiyunstatic inline void i8042_write_data(int val) 38*4882a593Smuzhiyun { 39*4882a593Smuzhiyun jazz_kh->data = val; 40*4882a593Smuzhiyun } 41*4882a593Smuzhiyun i8042_write_command(int val)42*4882a593Smuzhiyunstatic inline void i8042_write_command(int val) 43*4882a593Smuzhiyun { 44*4882a593Smuzhiyun jazz_kh->command = val; 45*4882a593Smuzhiyun } 46*4882a593Smuzhiyun i8042_platform_init(void)47*4882a593Smuzhiyunstatic inline int i8042_platform_init(void) 48*4882a593Smuzhiyun { 49*4882a593Smuzhiyun #if 0 50*4882a593Smuzhiyun /* XXX JAZZ_KEYBOARD_ADDRESS is a virtual address */ 51*4882a593Smuzhiyun if (!request_mem_region(JAZZ_KEYBOARD_ADDRESS, 2, "i8042")) 52*4882a593Smuzhiyun return -EBUSY; 53*4882a593Smuzhiyun #endif 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun return 0; 56*4882a593Smuzhiyun } 57*4882a593Smuzhiyun i8042_platform_exit(void)58*4882a593Smuzhiyunstatic inline void i8042_platform_exit(void) 59*4882a593Smuzhiyun { 60*4882a593Smuzhiyun #if 0 61*4882a593Smuzhiyun release_mem_region(JAZZ_KEYBOARD_ADDRESS, 2); 62*4882a593Smuzhiyun #endif 63*4882a593Smuzhiyun } 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun #endif /* _I8042_JAZZ_H */ 66