i8042-snirm.h (1295B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2#ifndef _I8042_SNIRM_H 3#define _I8042_SNIRM_H 4 5#include <asm/sni.h> 6 7 8/* 9 * Names. 10 */ 11 12#define I8042_KBD_PHYS_DESC "onboard/serio0" 13#define I8042_AUX_PHYS_DESC "onboard/serio1" 14#define I8042_MUX_PHYS_DESC "onboard/serio%d" 15 16/* 17 * IRQs. 18 */ 19static int i8042_kbd_irq; 20static int i8042_aux_irq; 21#define I8042_KBD_IRQ i8042_kbd_irq 22#define I8042_AUX_IRQ i8042_aux_irq 23 24static void __iomem *kbd_iobase; 25 26#define I8042_COMMAND_REG (kbd_iobase + 0x64UL) 27#define I8042_DATA_REG (kbd_iobase + 0x60UL) 28 29static inline int i8042_read_data(void) 30{ 31 return readb(kbd_iobase + 0x60UL); 32} 33 34static inline int i8042_read_status(void) 35{ 36 return readb(kbd_iobase + 0x64UL); 37} 38 39static inline void i8042_write_data(int val) 40{ 41 writeb(val, kbd_iobase + 0x60UL); 42} 43 44static inline void i8042_write_command(int val) 45{ 46 writeb(val, kbd_iobase + 0x64UL); 47} 48static inline int i8042_platform_init(void) 49{ 50 /* RM200 is strange ... */ 51 if (sni_brd_type == SNI_BRD_RM200) { 52 kbd_iobase = ioremap(0x16000000, 4); 53 i8042_kbd_irq = 33; 54 i8042_aux_irq = 44; 55 } else { 56 kbd_iobase = ioremap(0x14000000, 4); 57 i8042_kbd_irq = 1; 58 i8042_aux_irq = 12; 59 } 60 if (!kbd_iobase) 61 return -ENOMEM; 62 63 return 0; 64} 65 66static inline void i8042_platform_exit(void) 67{ 68 69} 70 71#endif /* _I8042_SNIRM_H */