git.oblomov.eu Git - linux-2.6/blob - drivers/input/serio/i8042-ip22io.h

   1 #ifndef _I8042_IP22_H
   2 #define _I8042_IP22_H
   3
   4 #include <asm/sgi/ioc.h>
   5 #include <asm/sgi/ip22.h>
   6
   7 /*
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License version 2 as published by
  10  * the Free Software Foundation.
  11  */
  12
  13 /*
  14  * Names.
  15  */
  16
  17 #define I8042_KBD_PHYS_DESC "hpc3ps2/serio0"
  18 #define I8042_AUX_PHYS_DESC "hpc3ps2/serio1"
  19 #define I8042_MUX_PHYS_DESC "hpc3ps2/serio%d"
  20
  21 /*
  22  * IRQs.
  23  */
  24
  25 #define I8042_KBD_IRQ SGI_KEYBD_IRQ
  26 #define I8042_AUX_IRQ SGI_KEYBD_IRQ
  27
  28 /*
  29  * Register numbers.
  30  */
  31
  32 #define I8042_COMMAND_REG       ((unsigned long)&sgioc->kbdmouse.command)
  33 #define I8042_STATUS_REG        ((unsigned long)&sgioc->kbdmouse.command)
  34 #define I8042_DATA_REG          ((unsigned long)&sgioc->kbdmouse.data)
  35
  36 static inline int i8042_read_data(void)
  37 {
  38         return sgioc->kbdmouse.data;
  39 }
  40
  41 static inline int i8042_read_status(void)
  42 {
  43         return sgioc->kbdmouse.command;
  44 }
  45
  46 static inline void i8042_write_data(int val)
  47 {
  48         sgioc->kbdmouse.data = val;
  49 }
  50
  51 static inline void i8042_write_command(int val)
  52 {
  53         sgioc->kbdmouse.command = val;
  54 }
  55
  56 static inline int i8042_platform_init(void)
  57 {
  58 #if 0
  59         /* XXX sgi_kh is a virtual address */
  60         if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042"))
  61                 return -EBUSY;
  62 #endif
  63
  64         i8042_reset = 1;
  65
  66         return 0;
  67 }
  68
  69 static inline void i8042_platform_exit(void)
  70 {
  71 #if 0
  72         release_mem_region(JAZZ_KEYBOARD_ADDRESS, sizeof(struct hpc_keyb));
  73 #endif
  74 }
  75
  76 #endif /* _I8042_IP22_H */