/* SPDX-License-Identifier: GPL-2.0+ */

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

   */
  
  #ifndef	_IDE_H
  #define _IDE_H

  #include <blk.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[];

  /*
   * Function Prototypes
   */

  void ide_init(void);

  struct blk_desc;

  struct udevice;
  #ifdef CONFIG_BLK
  ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
  	       void *buffer);
  ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
  		const void *buffer);
  #else

  ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,

  	       void *buffer);

  ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,

  		const void *buffer);

  #endif

  #ifdef CONFIG_IDE_PREINIT
  int ide_preinit(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
   */

  unsigned char ide_inb(int dev, int port);
  void ide_outb(int dev, int port, unsigned char val);

  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);

  void ide_led(uchar led, uchar status);

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

  #endif /* _IDE_H */