1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun #ifndef _I8042_SNIRM_H 3*4882a593Smuzhiyun #define _I8042_SNIRM_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <asm/sni.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun /* 9*4882a593Smuzhiyun * Names. 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define I8042_KBD_PHYS_DESC "onboard/serio0" 13*4882a593Smuzhiyun #define I8042_AUX_PHYS_DESC "onboard/serio1" 14*4882a593Smuzhiyun #define I8042_MUX_PHYS_DESC "onboard/serio%d" 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* 17*4882a593Smuzhiyun * IRQs. 18*4882a593Smuzhiyun */ 19*4882a593Smuzhiyun static int i8042_kbd_irq; 20*4882a593Smuzhiyun static int i8042_aux_irq; 21*4882a593Smuzhiyun #define I8042_KBD_IRQ i8042_kbd_irq 22*4882a593Smuzhiyun #define I8042_AUX_IRQ i8042_aux_irq 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun static void __iomem *kbd_iobase; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #define I8042_COMMAND_REG (kbd_iobase + 0x64UL) 27*4882a593Smuzhiyun #define I8042_DATA_REG (kbd_iobase + 0x60UL) 28*4882a593Smuzhiyun i8042_read_data(void)29*4882a593Smuzhiyunstatic inline int i8042_read_data(void) 30*4882a593Smuzhiyun { 31*4882a593Smuzhiyun return readb(kbd_iobase + 0x60UL); 32*4882a593Smuzhiyun } 33*4882a593Smuzhiyun i8042_read_status(void)34*4882a593Smuzhiyunstatic inline int i8042_read_status(void) 35*4882a593Smuzhiyun { 36*4882a593Smuzhiyun return readb(kbd_iobase + 0x64UL); 37*4882a593Smuzhiyun } 38*4882a593Smuzhiyun i8042_write_data(int val)39*4882a593Smuzhiyunstatic inline void i8042_write_data(int val) 40*4882a593Smuzhiyun { 41*4882a593Smuzhiyun writeb(val, kbd_iobase + 0x60UL); 42*4882a593Smuzhiyun } 43*4882a593Smuzhiyun i8042_write_command(int val)44*4882a593Smuzhiyunstatic inline void i8042_write_command(int val) 45*4882a593Smuzhiyun { 46*4882a593Smuzhiyun writeb(val, kbd_iobase + 0x64UL); 47*4882a593Smuzhiyun } i8042_platform_init(void)48*4882a593Smuzhiyunstatic inline int i8042_platform_init(void) 49*4882a593Smuzhiyun { 50*4882a593Smuzhiyun /* RM200 is strange ... */ 51*4882a593Smuzhiyun if (sni_brd_type == SNI_BRD_RM200) { 52*4882a593Smuzhiyun kbd_iobase = ioremap(0x16000000, 4); 53*4882a593Smuzhiyun i8042_kbd_irq = 33; 54*4882a593Smuzhiyun i8042_aux_irq = 44; 55*4882a593Smuzhiyun } else { 56*4882a593Smuzhiyun kbd_iobase = ioremap(0x14000000, 4); 57*4882a593Smuzhiyun i8042_kbd_irq = 1; 58*4882a593Smuzhiyun i8042_aux_irq = 12; 59*4882a593Smuzhiyun } 60*4882a593Smuzhiyun if (!kbd_iobase) 61*4882a593Smuzhiyun return -ENOMEM; 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun return 0; 64*4882a593Smuzhiyun } 65*4882a593Smuzhiyun i8042_platform_exit(void)66*4882a593Smuzhiyunstatic inline void i8042_platform_exit(void) 67*4882a593Smuzhiyun { 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun } 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun #endif /* _I8042_SNIRM_H */ 72