drivers/input/serio/i8042-ppcio.h

   1 #ifndef _I8042_PPCIO_H
   2 #define _I8042_PPCIO_H
   3
   4 /*
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 as published by
   7  * the Free Software Foundation.
   8  */
   9
  10 #if defined(CONFIG_WALNUT)
  11
  12 #define I8042_KBD_IRQ 25
  13 #define I8042_AUX_IRQ 26
  14
  15 #define I8042_KBD_PHYS_DESC "walnutps2/serio0"
  16 #define I8042_AUX_PHYS_DESC "walnutps2/serio1"
  17 #define I8042_MUX_PHYS_DESC "walnutps2/serio%d"
  18
  19 extern void *kb_cs;
  20 extern void *kb_data;
  21
  22 #define I8042_COMMAND_REG (*(int *)kb_cs)
  23 #define I8042_DATA_REG (*(int *)kb_data)
  24
  25 static inline int i8042_read_data(void)
  26 {
  27         return readb(kb_data);
  28 }
  29
  30 static inline int i8042_read_status(void)
  31 {
  32         return readb(kb_cs);
  33 }
  34
  35 static inline void i8042_write_data(int val)
  36 {
  37         writeb(val, kb_data);
  38 }
  39
  40 static inline void i8042_write_command(int val)
  41 {
  42         writeb(val, kb_cs);
  43 }
  44
  45 static inline int i8042_platform_init(void)
  46 {
  47         i8042_reset = I8042_RESET_ALWAYS;
  48         return 0;
  49 }
  50
  51 static inline void i8042_platform_exit(void)
  52 {
  53 }
  54
  55 #else
  56
  57 #include "i8042-io.h"
  58
  59 #endif
  60
  61 #endif /* _I8042_PPCIO_H */