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kernel/linux-imx6_3.14.28/drivers/input/serio/i8042-jazzio.h 1.29 KB
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  #ifndef _I8042_JAZZ_H
  #define _I8042_JAZZ_H
  
  #include <asm/jazz.h>
  
  /*
   * 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.
   */
  
  /*
   * Names.
   */
  
  #define I8042_KBD_PHYS_DESC "R4030/serio0"
  #define I8042_AUX_PHYS_DESC "R4030/serio1"
  #define I8042_MUX_PHYS_DESC "R4030/serio%d"
  
  /*
   * IRQs.
   */
  
  #define I8042_KBD_IRQ JAZZ_KEYBOARD_IRQ
  #define I8042_AUX_IRQ JAZZ_MOUSE_IRQ
  
  #define I8042_COMMAND_REG	((unsigned long)&jazz_kh->command)
  #define I8042_STATUS_REG	((unsigned long)&jazz_kh->command)
  #define I8042_DATA_REG		((unsigned long)&jazz_kh->data)
  
  static inline int i8042_read_data(void)
  {
  	return jazz_kh->data;
  }
  
  static inline int i8042_read_status(void)
  {
  	return jazz_kh->command;
  }
  
  static inline void i8042_write_data(int val)
  {
  	jazz_kh->data = val;
  }
  
  static inline void i8042_write_command(int val)
  {
  	jazz_kh->command = val;
  }
  
  static inline int i8042_platform_init(void)
  {
  #if 0
  	/* XXX JAZZ_KEYBOARD_ADDRESS is a virtual address */
  	if (!request_mem_region(JAZZ_KEYBOARD_ADDRESS, 2, "i8042"))
  		return -EBUSY;
  #endif
  
  	return 0;
  }
  
  static inline void i8042_platform_exit(void)
  {
  #if 0
  	release_mem_region(JAZZ_KEYBOARD_ADDRESS, 2);
  #endif
  }
  
  #endif /* _I8042_JAZZ_H */