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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 */
72