include/ide.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2000
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  */
   6
   7 #ifndef _IDE_H
   8 #define _IDE_H
   9
  10 #include <blk.h>
  11
  12 #define IDE_BUS(dev)    (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
  13
  14 #define ATA_CURR_BASE(dev)      (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
  15 extern ulong ide_bus_offset[];
  16
  17 /*
  18  * Function Prototypes
  19  */
  20
  21 void ide_init(void);
  22 struct blk_desc;
  23 struct udevice;
  24 #ifdef CONFIG_BLK
  25 ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
  26                void *buffer);
  27 ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
  28                 const void *buffer);
  29 #else
  30 ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  31                void *buffer);
  32 ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  33                 const void *buffer);
  34 #endif
  35
  36 #ifdef CONFIG_IDE_PREINIT
  37 int ide_preinit(void);
  38 #endif
  39
  40 #if defined(CONFIG_OF_IDE_FIXUP)
  41 int ide_device_present(int dev);
  42 #endif
  43
  44 #if defined(CONFIG_IDE_AHB)
  45 unsigned char ide_read_register(int dev, unsigned int port);
  46 void ide_write_register(int dev, unsigned int port, unsigned char val);
  47 void ide_read_data(int dev, ulong *sect_buf, int words);
  48 void ide_write_data(int dev, const ulong *sect_buf, int words);
  49 #endif
  50
  51 /*
  52  * I/O function overrides
  53  */
  54 unsigned char ide_inb(int dev, int port);
  55 void ide_outb(int dev, int port, unsigned char val);
  56 void ide_input_swap_data(int dev, ulong *sect_buf, int words);
  57 void ide_input_data(int dev, ulong *sect_buf, int words);
  58 void ide_output_data(int dev, const ulong *sect_buf, int words);
  59 void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
  60 void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
  61
  62 void ide_led(uchar led, uchar status);
  63
  64 /**
  65  * board_start_ide() - Start up the board IDE interfac
  66  *
  67  * @return 0 if ok
  68  */
  69 int board_start_ide(void);
  70
  71 #endif /* _IDE_H */