linux/drivers/input/serio/i8042-snirm.h
<<
>>
Prefs
   1#ifndef _I8042_SNIRM_H
   2#define _I8042_SNIRM_H
   3
   4#include <asm/sni.h>
   5
   6/*
   7 * This program is free software; you can redistribute it and/or modify it
   8 * under the terms of the GNU General Public License version 2 as published by
   9 * the Free Software Foundation.
  10 */
  11
  12/*
  13 * Names.
  14 */
  15
  16#define I8042_KBD_PHYS_DESC "onboard/serio0"
  17#define I8042_AUX_PHYS_DESC "onboard/serio1"
  18#define I8042_MUX_PHYS_DESC "onboard/serio%d"
  19
  20/*
  21 * IRQs.
  22 */
  23static int i8042_kbd_irq;
  24static int i8042_aux_irq;
  25#define I8042_KBD_IRQ i8042_kbd_irq
  26#define I8042_AUX_IRQ i8042_aux_irq
  27
  28static void __iomem *kbd_iobase;
  29
  30#define I8042_COMMAND_REG       (kbd_iobase + 0x64UL)
  31#define I8042_DATA_REG          (kbd_iobase + 0x60UL)
  32
  33static inline int i8042_read_data(void)
  34{
  35        return readb(kbd_iobase + 0x60UL);
  36}
  37
  38static inline int i8042_read_status(void)
  39{
  40        return readb(kbd_iobase + 0x64UL);
  41}
  42
  43static inline void i8042_write_data(int val)
  44{
  45        writeb(val, kbd_iobase + 0x60UL);
  46}
  47
  48static inline void i8042_write_command(int val)
  49{
  50        writeb(val, kbd_iobase + 0x64UL);
  51}
  52static inline int i8042_platform_init(void)
  53{
  54        /* RM200 is strange ... */
  55        if (sni_brd_type == SNI_BRD_RM200) {
  56                kbd_iobase = ioremap(0x16000000, 4);
  57                i8042_kbd_irq = 33;
  58                i8042_aux_irq = 44;
  59        } else {
  60                kbd_iobase = ioremap(0x14000000, 4);
  61                i8042_kbd_irq = 1;
  62                i8042_aux_irq = 12;
  63        }
  64        if (!kbd_iobase)
  65                return -ENOMEM;
  66
  67        return 0;
  68}
  69
  70static inline void i8042_platform_exit(void)
  71{
  72
  73}
  74
  75#endif /* _I8042_SNIRM_H */
  76