1 #ifndef _LINUX_XD_H
2 #define _LINUX_XD_H
3
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16
17 #define XD_DATA (xd_iobase + 0x00)
18 #define XD_RESET (xd_iobase + 0x01)
19 #define XD_STATUS (xd_iobase + 0x01)
20 #define XD_SELECT (xd_iobase + 0x02)
21 #define XD_JUMPER (xd_iobase + 0x02)
22 #define XD_CONTROL (xd_iobase + 0x03)
23 #define XD_RESERVED (xd_iobase + 0x03)
24
25
26 #define CMD_TESTREADY 0x00
27 #define CMD_RECALIBRATE 0x01
28 #define CMD_SENSE 0x03
29 #define CMD_FORMATDRV 0x04
30 #define CMD_VERIFY 0x05
31 #define CMD_FORMATTRK 0x06
32 #define CMD_FORMATBAD 0x07
33 #define CMD_READ 0x08
34 #define CMD_WRITE 0x0A
35 #define CMD_SEEK 0x0B
36
37
38 #define CMD_DTCSETPARAM 0x0C
39 #define CMD_DTCGETECC 0x0D
40 #define CMD_DTCREADBUF 0x0E
41 #define CMD_DTCWRITEBUF 0x0F
42 #define CMD_DTCREMAPTRK 0x11
43 #define CMD_DTCGETPARAM 0xFB
44 #define CMD_DTCSETSTEP 0xFC
45 #define CMD_DTCSETGEOM 0xFE
46 #define CMD_DTCGETGEOM 0xFF
47 #define CMD_ST11GETGEOM 0xF8
48 #define CMD_WDSETPARAM 0x0C
49
50
51 #define CSB_ERROR 0x02
52 #define CSB_LUN 0x20
53
54
55 #define STAT_READY 0x01
56 #define STAT_INPUT 0x02
57 #define STAT_COMMAND 0x04
58 #define STAT_SELECT 0x08
59 #define STAT_REQUEST 0x10
60 #define STAT_INTERRUPT 0x20
61
62
63 #define PIO_MODE 0x00
64 #define DMA_MODE 0x03
65
66 #define XD_MAXDRIVES 2
67 #define XD_TIMEOUT HZ
68 #define XD_RETRIES 4
69
70 #undef DEBUG
71
72 #ifdef DEBUG
73 #define DEBUG_STARTUP
74 #define DEBUG_OVERRIDE
75 #define DEBUG_READWRITE
76 #define DEBUG_OTHER
77 #define DEBUG_COMMAND
78 #endif
79
80
81 typedef struct {
82 u_char heads;
83 u_short cylinders;
84 u_char sectors;
85 u_char control;
86 } XD_INFO;
87
88 #define HDIO_GETGEO 0x0301
89
90
91 typedef struct {
92 u_char heads;
93 u_char sectors;
94 u_short cylinders;
95 u_long start;
96 } XD_GEOMETRY;
97
98
99 typedef struct {
100 u_long offset;
101 const char *string;
102 void (*init_controller)(u_char *address);
103 void (*init_drive)(u_char drive);
104 const char *name;
105 } XD_SIGNATURE;
106
107 void xd_setup (char *command,int *integers);
108 static u_char xd_detect (u_char *controller,u_char **address);
109 static u_char xd_initdrives (void (*init_drive)(u_char drive));
110 static void xd_geninit (struct gendisk *);
111
112 static int xd_open (struct inode *inode,struct file *file);
113 static void do_xd_request (void);
114 static int xd_ioctl (struct inode *inode,struct file *file,unsigned int cmd,unsigned long arg);
115 static void xd_release (struct inode *inode,struct file *file);
116 static int xd_reread_partitions (int dev);
117 static int xd_readwrite (u_char operation,u_char drive,char *buffer,u_int block,u_int count);
118 static void xd_recalibrate (u_char drive);
119
120 static void xd_interrupt_handler (int irq, struct pt_regs * regs);
121 static u_char xd_setup_dma (u_char opcode,u_char *buffer,u_int count);
122 static u_char *xd_build (u_char *cmdblk,u_char command,u_char drive,u_char head,u_short cylinder,u_char sector,u_char count,u_char control);
123 static inline u_char xd_waitport (u_short port,u_char flags,u_char mask,u_long timeout);
124 static u_int xd_command (u_char *command,u_char mode,u_char *indata,u_char *outdata,u_char *sense,u_long timeout);
125
126
127 static void xd_dtc_init_controller (u_char *address);
128 static void xd_dtc_init_drive (u_char drive);
129 static void xd_wd_init_controller (u_char *address);
130 static void xd_wd_init_drive (u_char drive);
131 static void xd_seagate_init_controller (u_char *address);
132 static void xd_seagate_init_drive (u_char drive);
133 static void xd_omti_init_controller (u_char *address);
134 static void xd_omti_init_drive (u_char drive);
135 static void xd_setparam (u_char command,u_char drive,u_char heads,u_short cylinders,u_short rwrite,u_short wprecomp,u_char ecc);
136 static void xd_override_init_drive (u_char drive);
137
138 #endif