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9 #ifndef _SEAGATE_H
10 #define SEAGATE_H
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13
14 #ifndef ASM
15 int seagate_st0x_detect(int);
16 int seagate_st0x_command(Scsi_Cmnd *);
17 int seagate_st0x_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
18
19 int seagate_st0x_abort(Scsi_Cmnd *, int);
20 const char *seagate_st0x_info(void);
21 int seagate_st0x_reset(void);
22
23 #ifndef NULL
24 #define NULL 0
25 #endif
26
27 #define SEAGATE_ST0X {"Seagate ST-01/ST-02", seagate_st0x_detect, \
28 seagate_st0x_info, seagate_st0x_command, \
29 seagate_st0x_queue_command, seagate_st0x_abort, \
30 seagate_st0x_reset, NULL, NULL, \
31 1, 7, SG_NONE, 1, 0, 0}
32 #endif
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38
39 #define PARITY
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46 #undef ARBITRATE
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59 #define CMD_RST 0x01
60 #define CMD_SEL 0x02
61 #define CMD_BSY 0x04
62 #define CMD_ATTN 0x08
63 #define CMD_START_ARB 0x10
64 #define CMD_EN_PARITY 0x20
65 #define CMD_INTR 0x40
66 #define CMD_DRVR_ENABLE 0x80
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71
72 #define STAT_BSY 0x01
73 #define STAT_MSG 0x02
74 #define STAT_IO 0x04
75 #define STAT_CD 0x08
76 #define STAT_REQ 0x10
77 #define STAT_SEL 0x20
78 #define STAT_PARITY 0x40
79 #define STAT_ARB_CMPL 0x80
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85 #define REQ_MASK (STAT_CD | STAT_IO | STAT_MSG)
86 #define REQ_DATAOUT 0
87 #define REQ_DATAIN STAT_IO
88 #define REQ_CMDOUT STAT_CD
89 #define REQ_STATIN (STAT_CD | STAT_IO)
90 #define REQ_MSGOUT (STAT_MSG | STAT_CD)
91 #define REQ_MSGIN (STAT_MSG | STAT_CD | STAT_IO)
92
93 extern volatile int seagate_st0x_timeout;
94
95 #ifdef PARITY
96 #define BASE_CMD CMD_EN_PARITY
97 #else
98 #define BASE_CMD 0
99 #endif
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105 #define PHASE_BUS_FREE 1
106 #define PHASE_ARBITRATION 2
107 #define PHASE_SELECTION 4
108 #define PHASE_DATAIN 8
109 #define PHASE_DATAOUT 0x10
110 #define PHASE_CMDOUT 0x20
111 #define PHASE_MSGIN 0x40
112 #define PHASE_MSGOUT 0x80
113 #define PHASE_STATUSIN 0x100
114 #define PHASE_ETC (PHASE_DATAIN | PHASE_DATA_OUT | PHASE_CMDOUT | PHASE_MSGIN | PHASE_MSGOUT | PHASE_STATUSIN)
115 #define PRINT_COMMAND 0x200
116 #define PHASE_EXIT 0x400
117 #define PHASE_RESELECT 0x800
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123 #define ST0X_BUS_FREE_DELAY 25
124 #define ST0X_SELECTION_DELAY 3
125
126 #define eoi() __asm__("push %%eax\nmovb $0x20, %%al\noutb %%al, $0x20\npop %%eax"::)
127
128 #define SEAGATE 1
129 #define FD 2
130
131
132 #endif
133