File: /usr/src/linux/include/linux/ps2esdi.h

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     
91     struct 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