/*
   * (C) Copyright 2000
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #ifndef	_IDE_H
  #define _IDE_H

  #define IDE_BUS(dev)	(dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))

  #define	ATA_CURR_BASE(dev)	(CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])

  extern ulong ide_bus_offset[];

  #ifdef CONFIG_IDE_LED
  
  /*
   * LED Port
   */
  #define	LED_PORT	((uchar *)(PER8_BASE + 0x3000))
  #define LED_IDE1	0x01
  #define LED_IDE2	0x02
  #define	DEVICE_LED(d)	((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
  
  #endif /* CONFIG_IDE_LED */

  #ifdef CONFIG_SYS_64BIT_LBA

  typedef uint64_t lbaint_t;

  #define LBAF "%llx"

  #define LBAFU "%llu"

  #else
  typedef ulong lbaint_t;

  #define LBAF "%lx"

  #define LBAFU "%lu"

  #endif

  /*
   * Function Prototypes
   */

  void ide_init(void);

  ulong ide_read(int device, lbaint_t blknr, lbaint_t blkcnt, void *buffer);
  ulong ide_write(int device, lbaint_t blknr, lbaint_t blkcnt,
  		const void *buffer);

  #ifdef CONFIG_IDE_PREINIT
  int ide_preinit(void);
  #endif
  
  #ifdef CONFIG_IDE_INIT_POSTRESET
  int ide_init_postreset(void);
  #endif

  #if defined(CONFIG_OF_IDE_FIXUP)
  int ide_device_present(int dev);
  #endif

  
  #if defined(CONFIG_IDE_AHB)
  unsigned char ide_read_register(int dev, unsigned int port);
  void ide_write_register(int dev, unsigned int port, unsigned char val);
  void ide_read_data(int dev, ulong *sect_buf, int words);

  void ide_write_data(int dev, const ulong *sect_buf, int words);

  #endif

  
  /*
   * I/O function overrides
   */
  void ide_input_swap_data(int dev, ulong *sect_buf, int words);
  void ide_input_data(int dev, ulong *sect_buf, int words);
  void ide_output_data(int dev, const ulong *sect_buf, int words);
  void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
  void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);

  /**
   * board_start_ide() - Start up the board IDE interfac
   *
   * @return 0 if ok
   */
  int board_start_ide(void);

  #endif /* _IDE_H */