162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci#ifndef _I8042_SNIRM_H 362306a36Sopenharmony_ci#define _I8042_SNIRM_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <asm/sni.h> 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci/* 962306a36Sopenharmony_ci * Names. 1062306a36Sopenharmony_ci */ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#define I8042_KBD_PHYS_DESC "onboard/serio0" 1362306a36Sopenharmony_ci#define I8042_AUX_PHYS_DESC "onboard/serio1" 1462306a36Sopenharmony_ci#define I8042_MUX_PHYS_DESC "onboard/serio%d" 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci/* 1762306a36Sopenharmony_ci * IRQs. 1862306a36Sopenharmony_ci */ 1962306a36Sopenharmony_cistatic int i8042_kbd_irq; 2062306a36Sopenharmony_cistatic int i8042_aux_irq; 2162306a36Sopenharmony_ci#define I8042_KBD_IRQ i8042_kbd_irq 2262306a36Sopenharmony_ci#define I8042_AUX_IRQ i8042_aux_irq 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_cistatic void __iomem *kbd_iobase; 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci#define I8042_COMMAND_REG (kbd_iobase + 0x64UL) 2762306a36Sopenharmony_ci#define I8042_DATA_REG (kbd_iobase + 0x60UL) 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_cistatic inline int i8042_read_data(void) 3062306a36Sopenharmony_ci{ 3162306a36Sopenharmony_ci return readb(kbd_iobase + 0x60UL); 3262306a36Sopenharmony_ci} 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_cistatic inline int i8042_read_status(void) 3562306a36Sopenharmony_ci{ 3662306a36Sopenharmony_ci return readb(kbd_iobase + 0x64UL); 3762306a36Sopenharmony_ci} 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_cistatic inline void i8042_write_data(int val) 4062306a36Sopenharmony_ci{ 4162306a36Sopenharmony_ci writeb(val, kbd_iobase + 0x60UL); 4262306a36Sopenharmony_ci} 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_cistatic inline void i8042_write_command(int val) 4562306a36Sopenharmony_ci{ 4662306a36Sopenharmony_ci writeb(val, kbd_iobase + 0x64UL); 4762306a36Sopenharmony_ci} 4862306a36Sopenharmony_cistatic inline int i8042_platform_init(void) 4962306a36Sopenharmony_ci{ 5062306a36Sopenharmony_ci /* RM200 is strange ... */ 5162306a36Sopenharmony_ci if (sni_brd_type == SNI_BRD_RM200) { 5262306a36Sopenharmony_ci kbd_iobase = ioremap(0x16000000, 4); 5362306a36Sopenharmony_ci i8042_kbd_irq = 33; 5462306a36Sopenharmony_ci i8042_aux_irq = 44; 5562306a36Sopenharmony_ci } else { 5662306a36Sopenharmony_ci kbd_iobase = ioremap(0x14000000, 4); 5762306a36Sopenharmony_ci i8042_kbd_irq = 1; 5862306a36Sopenharmony_ci i8042_aux_irq = 12; 5962306a36Sopenharmony_ci } 6062306a36Sopenharmony_ci if (!kbd_iobase) 6162306a36Sopenharmony_ci return -ENOMEM; 6262306a36Sopenharmony_ci 6362306a36Sopenharmony_ci return 0; 6462306a36Sopenharmony_ci} 6562306a36Sopenharmony_ci 6662306a36Sopenharmony_cistatic inline void i8042_platform_exit(void) 6762306a36Sopenharmony_ci{ 6862306a36Sopenharmony_ci 6962306a36Sopenharmony_ci} 7062306a36Sopenharmony_ci 7162306a36Sopenharmony_ci#endif /* _I8042_SNIRM_H */ 72