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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | #ifndef _AHA1740_H /* $Id$ * * Header file for the adaptec 1740 driver for Linux * * With minor revisions 3/31/93 * Written and (C) 1992,1993 Brad McLean. See aha1740.c * for more info * */ #include <linux/types.h> #define SLOTSIZE 0x5c /* EISA configuration registers & values */ #define HID0(base) (base + 0x0) #define HID1(base) (base + 0x1) #define HID2(base) (base + 0x2) #define HID3(base) (base + 0x3) #define EBCNTRL(base) (base + 0x4) #define PORTADR(base) (base + 0x40) #define BIOSADR(base) (base + 0x41) #define INTDEF(base) (base + 0x42) #define SCSIDEF(base) (base + 0x43) #define BUSDEF(base) (base + 0x44) #define RESV0(base) (base + 0x45) #define RESV1(base) (base + 0x46) #define RESV2(base) (base + 0x47) #define HID_MFG "ADP" #define HID_PRD 0 #define HID_REV 2 #define EBCNTRL_VALUE 1 #define PORTADDR_ENH 0x80 /* READ */ #define G2INTST(base) (base + 0x56) #define G2STAT(base) (base + 0x57) #define MBOXIN0(base) (base + 0x58) #define MBOXIN1(base) (base + 0x59) #define MBOXIN2(base) (base + 0x5a) #define MBOXIN3(base) (base + 0x5b) #define G2STAT2(base) (base + 0x5c) #define G2INTST_MASK 0xf0 /* isolate the status */ #define G2INTST_CCBGOOD 0x10 /* CCB Completed */ #define G2INTST_CCBRETRY 0x50 /* CCB Completed with a retry */ #define G2INTST_HARDFAIL 0x70 /* Adapter Hardware Failure */ #define G2INTST_CMDGOOD 0xa0 /* Immediate command success */ #define G2INTST_CCBERROR 0xc0 /* CCB Completed with error */ #define G2INTST_ASNEVENT 0xd0 /* Asynchronous Event Notification */ #define G2INTST_CMDERROR 0xe0 /* Immediate command error */ #define G2STAT_MBXOUT 4 /* Mailbox Out Empty Bit */ #define G2STAT_INTPEND 2 /* Interrupt Pending Bit */ #define G2STAT_BUSY 1 /* Busy Bit (attention pending) */ #define G2STAT2_READY 0 /* Host Ready Bit */ /* WRITE (and ReadBack) */ #define MBOXOUT0(base) (base + 0x50) #define MBOXOUT1(base) (base + 0x51) #define MBOXOUT2(base) (base + 0x52) #define MBOXOUT3(base) (base + 0x53) #define ATTN(base) (base + 0x54) #define G2CNTRL(base) (base + 0x55) #define ATTN_IMMED 0x10 /* Immediate Command */ #define ATTN_START 0x40 /* Start CCB */ #define ATTN_ABORT 0x50 /* Abort CCB */ #define G2CNTRL_HRST 0x80 /* Hard Reset */ #define G2CNTRL_IRST 0x40 /* Clear EISA Interrupt */ #define G2CNTRL_HRDY 0x20 /* Sets HOST ready */ /* This is used with scatter-gather */ struct aha1740_chain { u32 dataptr; /* Location of data */ u32 datalen; /* Size of this part of chain */ }; /* These belong in scsi.h */ #define any2scsi(up, p) \ (up)[0] = (((unsigned long)(p)) >> 16) ; \ (up)[1] = (((unsigned long)(p)) >> 8); \ (up)[2] = ((unsigned long)(p)); #define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) ) #define xany2scsi(up, p) \ (up)[0] = ((long)(p)) >> 24; \ (up)[1] = ((long)(p)) >> 16; \ (up)[2] = ((long)(p)) >> 8; \ (up)[3] = ((long)(p)); #define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \ + (((long)(up)[2]) << 8) + ((long)(up)[3]) ) #define MAX_CDB 12 #define MAX_SENSE 14 #define MAX_STATUS 32 struct ecb { /* Enhanced Control Block 6.1 */ u16 cmdw; /* Command Word */ /* Flag Word 1 */ u16 cne:1, /* Control Block Chaining */ :6, di:1, /* Disable Interrupt */ :2, ses:1, /* Suppress Underrun error */ :1, sg:1, /* Scatter/Gather */ :1, dsb:1, /* Disable Status Block */ ars:1; /* Automatic Request Sense */ /* Flag Word 2 */ u16 lun:3, /* Logical Unit */ tag:1, /* Tagged Queuing */ tt:2, /* Tag Type */ nd:1, /* No Disconnect */ :1, dat:1, /* Data transfer - check direction */ dir:1, /* Direction of transfer 1 = datain */ st:1, /* Suppress Transfer */ chk:1, /* Calculate Checksum */ :2, rec:1,:1; /* Error Recovery */ u16 nil0; /* nothing */ u32 dataptr; /* Data or Scatter List ptr */ u32 datalen; /* Data or Scatter List len */ u32 statusptr; /* Status Block ptr */ u32 linkptr; /* Chain Address */ u32 nil1; /* nothing */ u32 senseptr; /* Sense Info Pointer */ u8 senselen; /* Sense Length */ u8 cdblen; /* CDB Length */ u16 datacheck; /* Data checksum */ u8 cdb[MAX_CDB]; /* CDB area */ /* Hardware defined portion ends here, rest is driver defined */ u8 sense[MAX_SENSE]; /* Sense area */ u8 status[MAX_STATUS]; /* Status area */ Scsi_Cmnd *SCpnt; /* Link to the SCSI Command Block */ void (*done) (Scsi_Cmnd *); /* Completion Function */ }; #define AHA1740CMD_NOP 0x00 /* No OP */ #define AHA1740CMD_INIT 0x01 /* Initiator SCSI Command */ #define AHA1740CMD_DIAG 0x05 /* Run Diagnostic Command */ #define AHA1740CMD_SCSI 0x06 /* Initialize SCSI */ #define AHA1740CMD_SENSE 0x08 /* Read Sense Information */ #define AHA1740CMD_DOWN 0x09 /* Download Firmware (yeah, I bet!) */ #define AHA1740CMD_RINQ 0x0a /* Read Host Adapter Inquiry Data */ #define AHA1740CMD_TARG 0x10 /* Target SCSI Command */ #define AHA1740_ECBS 32 #define AHA1740_SCATTER 16 #endif |