git.oblomov.eu Git - linux-2.6/blob - drivers/input/serio/i8042-snirm.h

   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  */
  23 static int i8042_kbd_irq;
  24 static int i8042_aux_irq;
  25 #define I8042_KBD_IRQ i8042_kbd_irq
  26 #define I8042_AUX_IRQ i8042_aux_irq
  27
  28 static void __iomem *kbd_iobase;
  29
  30 #define I8042_COMMAND_REG       (kbd_iobase + 0x64UL)
  31 #define I8042_DATA_REG          (kbd_iobase + 0x60UL)
  32
  33 static inline int i8042_read_data(void)
  34 {
  35         return readb(kbd_iobase + 0x60UL);
  36 }
  37
  38 static inline int i8042_read_status(void)
  39 {
  40         return readb(kbd_iobase + 0x64UL);
  41 }
  42
  43 static inline void i8042_write_data(int val)
  44 {
  45         writeb(val, kbd_iobase + 0x60UL);
  46 }
  47
  48 static inline void i8042_write_command(int val)
  49 {
  50         writeb(val, kbd_iobase + 0x64UL);
  51 }
  52 static 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
  70 static inline void i8042_platform_exit(void)
  71 {
  72
  73 }
  74
  75 #endif /* _I8042_SNIRM_H */