linux/drivers/input/serio/i8042-snirm.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

72 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _I8042_SNIRM_H
#define _I8042_SNIRM_H
#include <asm/sni.h>
/*
* Names.
*/
#define I8042_KBD_PHYS_DESC "onboard/serio0"
#define I8042_AUX_PHYS_DESC "onboard/serio1"
#define I8042_MUX_PHYS_DESC "onboard/serio%d"
/*
* IRQs.
*/
static int i8042_kbd_irq;
static int i8042_aux_irq;
#define I8042_KBD_IRQ i8042_kbd_irq
#define I8042_AUX_IRQ i8042_aux_irq
static void __iomem *kbd_iobase;
#define I8042_COMMAND_REG (kbd_iobase + 0x64UL)
#define I8042_DATA_REG (kbd_iobase + 0x60UL)
static inline int i8042_read_data(void)
{
return readb(kbd_iobase + 0x60UL);
}
static inline int i8042_read_status(void)
{
return readb(kbd_iobase + 0x64UL);
}
static inline void i8042_write_data(int val)
{
writeb(val, kbd_iobase + 0x60UL);
}
static inline void i8042_write_command(int val)
{
writeb(val, kbd_iobase + 0x64UL);
}
static inline int i8042_platform_init(void)
{
/* RM200 is strange ... */
if (sni_brd_type == SNI_BRD_RM200) {
kbd_iobase = ioremap(0x16000000, 4);
i8042_kbd_irq = 33;
i8042_aux_irq = 44;
} else {
kbd_iobase = ioremap(0x14000000, 4);
i8042_kbd_irq = 1;
i8042_aux_irq = 12;
}
if (!kbd_iobase)
return -ENOMEM;
return 0;
}
static inline void i8042_platform_exit(void)
{
}
#endif /* _I8042_SNIRM_H */