1#ifndef _PS2ESDI_H_
2#define _PS2ESDI_H_
3
4#define NRML_ESDI_ID 0xddff
5#define INTG_ESDI_ID 0xdf9f
6
7#define PRIMARY_IO_BASE 0x3510
8#define ALT_IO_BASE 0x3518
9
10#define ESDI_CMD_INT (io_base+0)
11#define ESDI_STT_INT (io_base+0)
12#define ESDI_CONTROL (io_base+2)
13#define ESDI_STATUS  (io_base+2)
14#define ESDI_ATTN    (io_base+3)
15#define ESDI_INTRPT  (io_base+3)
16
17#define STATUS_ENABLED    0x01
18#define STATUS_ALTERNATE  0x02
19#define STATUS_BUSY       0x10
20#define STATUS_STAT_AVAIL 0x08
21#define STATUS_INTR       0x01
22#define STATUS_RESET_FAIL 0xea
23#define STATUS_CMD_INF	  0x04
24
25#define CTRL_SOFT_RESET   0xe4
26#define CTRL_HARD_RESET   0x80
27#define CTRL_EOI          0xe2
28#define CTRL_ENABLE_DMA   0x02
29#define CTRL_ENABLE_INTR  0x01
30#define CTRL_DISABLE_INTR  0x00
31
32#define ATT_EOI 0x02
33
34/* bits of word 0 of configuration status block. more info see p.38 of tech ref */
35#define CONFIG_IS 0x10 /* Invalid Secondary */
36#define CONFIG_ZD 0x08 /* Zero Defect */
37#define CONFIG_SF 0x04 /* Skewed Format */
38#define CONFIG_FR 0x02 /* Removable */
39#define CONFIG_RT 0x01 /* Retries */
40
41#define PORT_SYS_A   0x92
42#define PORT_DMA_FN  0x18
43#define PORT_DMA_EX  0x1a
44
45#define ON (unsigned char)0x40
46#define OFF (unsigned char)~ON
47#define LITE_ON outb(inb(PORT_SYS_A) | ON,PORT_SYS_A)
48#define LITE_OFF outb((inb(PORT_SYS_A) & OFF),PORT_SYS_A)
49
50#define FAIL 0
51#define SUCCES 1
52
53#define INT_CMD_COMPLETE 0x01
54#define INT_CMD_ECC      0x03
55#define INT_CMD_RETRY    0x05
56#define INT_CMD_FORMAT   0x06
57#define INT_CMD_ECC_RETRY 0x07
58#define INT_CMD_WARNING  0x08
59#define INT_CMD_ABORT    0x09
60#define INT_RESET        0x0A
61#define INT_TRANSFER_REQ 0x0B
62#define INT_CMD_FAILED   0x0C
63#define INT_DMA_ERR      0x0D
64#define INT_CMD_BLK_ERR  0x0E
65#define INT_ATTN_ERROR   0x0F
66
67#define DMA_MASK_CHAN 0x90
68#define DMA_UNMASK_CHAN 0xA0
69#define DMA_WRITE_ADDR 0x20
70#define DMA_WRITE_TC 0x40
71#define DMA_WRITE_MODE 0x70
72
73#define CMD_GET_DEV_CONFIG 0x09
74#define CMD_READ 0x4601
75#define CMD_WRITE 0x4602
76#define DMA_READ_16 0x4C
77#define DMA_WRITE_16 0x44
78
79
80#define MB 1024*1024
81#define SECT_SIZE 512
82
83#define ERROR 1
84#define OK 0
85
86#define HDIO_GETGEO 0x0301
87
88#define FALSE 0
89#define TRUE !FALSE
90
91struct ps2esdi_geometry {
92	unsigned char heads;
93	unsigned char sectors;
94	unsigned short cylinders;
95	unsigned long start;
96};
97
98#endif /* _PS2ESDI_H_ */
99