text: /* Copyright 2012 The Chromium OS Authors. All rights reserved.
   * Use of this source code is governed by a BSD-style license that can be
   * found in the LICENSE file.
   */
  
  /* Port 80 module for Chrome EC */
  
  #ifndef __CROS_EC_PORT80_H
  #define __CROS_EC_PORT80_H
  
  #include "common.h"
  
  enum port_80_event {
  	PORT_80_EVENT_RESUME = 0x1001,  /* S3->S0 transition */
  	PORT_80_EVENT_RESET = 0x1002,   /* RESET transition */
  	PORT_80_IGNORE = 0xffff,	/* Invalid POST CODE */
  };
  
  /**
   * Store data from a LPC write to port 80, or a port_80_event code.
   *
   * @param data		Data written to port 80.
   */
  void port_80_write(int data);
  
  /**
   * Chip specific function to read from port 80.
   *
   * @return data from the last LPC write to port 80,
   *	or PORT_80_IGNORE if no data is available.
   */
  int port_80_read(void);
  
  /**
   * Get last boot code
   *
   * @return Last port 80 code from boot
   */
  int port_80_last(void);
  
  #endif  /* __CROS_EC_PORT80_H */
  