projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _AHA1740_H |
| 2 | ||
| 3 | /* $Id$ | |
| 4 | * | |
| 5 | * Header file for the adaptec 1740 driver for Linux | |
| 6 | * | |
| 7 | * With minor revisions 3/31/93 | |
| 8 | * Written and (C) 1992,1993 Brad McLean. See aha1740.c | |
| 9 | * for more info | |
| 10 | * | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/types.h> | |
| 14 | ||
| 15 | #define SLOTSIZE 0x5c | |
| 16 | ||
| 17 | /* EISA configuration registers & values */ | |
| 18 | #define HID0(base) (base + 0x0) | |
| 19 | #define HID1(base) (base + 0x1) | |
| 20 | #define HID2(base) (base + 0x2) | |
| 21 | #define HID3(base) (base + 0x3) | |
| 22 | #define EBCNTRL(base) (base + 0x4) | |
| 23 | #define PORTADR(base) (base + 0x40) | |
| 24 | #define BIOSADR(base) (base + 0x41) | |
| 25 | #define INTDEF(base) (base + 0x42) | |
| 26 | #define SCSIDEF(base) (base + 0x43) | |
| 27 | #define BUSDEF(base) (base + 0x44) | |
| 28 | #define RESV0(base) (base + 0x45) | |
| 29 | #define RESV1(base) (base + 0x46) | |
| 30 | #define RESV2(base) (base + 0x47) | |
| 31 | ||
| 32 | #define HID_MFG "ADP" | |
| 33 | #define HID_PRD 0 | |
| 34 | #define HID_REV 2 | |
| 35 | #define EBCNTRL_VALUE 1 | |
| 36 | #define PORTADDR_ENH 0x80 | |
| 37 | /* READ */ | |
| 38 | #define G2INTST(base) (base + 0x56) | |
| 39 | #define G2STAT(base) (base + 0x57) | |
| 40 | #define MBOXIN0(base) (base + 0x58) | |
| 41 | #define MBOXIN1(base) (base + 0x59) | |
| 42 | #define MBOXIN2(base) (base + 0x5a) | |
| 43 | #define MBOXIN3(base) (base + 0x5b) | |
| 44 | #define G2STAT2(base) (base + 0x5c) | |
| 45 | ||
| 46 | #define G2INTST_MASK 0xf0 /* isolate the status */ | |
| 47 | #define G2INTST_CCBGOOD 0x10 /* CCB Completed */ | |
| 48 | #define G2INTST_CCBRETRY 0x50 /* CCB Completed with a retry */ | |
| 49 | #define G2INTST_HARDFAIL 0x70 /* Adapter Hardware Failure */ | |
| 50 | #define G2INTST_CMDGOOD 0xa0 /* Immediate command success */ | |
| 51 | #define G2INTST_CCBERROR 0xc0 /* CCB Completed with error */ | |
| 52 | #define G2INTST_ASNEVENT 0xd0 /* Asynchronous Event Notification */ | |
| 53 | #define G2INTST_CMDERROR 0xe0 /* Immediate command error */ | |
| 54 | ||
| 55 | #define G2STAT_MBXOUT 4 /* Mailbox Out Empty Bit */ | |
| 56 | #define G2STAT_INTPEND 2 /* Interrupt Pending Bit */ | |
| 57 | #define G2STAT_BUSY 1 /* Busy Bit (attention pending) */ | |
| 58 | ||
| 59 | #define G2STAT2_READY 0 /* Host Ready Bit */ | |
| 60 | ||
| 61 | /* WRITE (and ReadBack) */ | |
| 62 | #define MBOXOUT0(base) (base + 0x50) | |
| 63 | #define MBOXOUT1(base) (base + 0x51) | |
| 64 | #define MBOXOUT2(base) (base + 0x52) | |
| 65 | #define MBOXOUT3(base) (base + 0x53) | |
| 66 | #define ATTN(base) (base + 0x54) | |
| 67 | #define G2CNTRL(base) (base + 0x55) | |
| 68 | ||
| 69 | #define ATTN_IMMED 0x10 /* Immediate Command */ | |
| 70 | #define ATTN_START 0x40 /* Start CCB */ | |
| 71 | #define ATTN_ABORT 0x50 /* Abort CCB */ | |
| 72 | ||
| 73 | #define G2CNTRL_HRST 0x80 /* Hard Reset */ | |
| 74 | #define G2CNTRL_IRST 0x40 /* Clear EISA Interrupt */ | |
| 75 | #define G2CNTRL_HRDY 0x20 /* Sets HOST ready */ | |
| 76 | ||
| 77 | /* This is used with scatter-gather */ | |
| 78 | struct aha1740_chain { | |
| 79 | u32 dataptr; /* Location of data */ | |
| 80 | u32 datalen; /* Size of this part of chain */ | |
| 81 | }; | |
| 82 | ||
| 83 | /* These belong in scsi.h */ | |
| 84 | #define any2scsi(up, p) \ | |
| 85 | (up)[0] = (((unsigned long)(p)) >> 16) ; \ | |
| 86 | (up)[1] = (((unsigned long)(p)) >> 8); \ | |
| 87 | (up)[2] = ((unsigned long)(p)); | |
| 88 | ||
| 89 | #define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) ) | |
| 90 | ||
| 91 | #define xany2scsi(up, p) \ | |
| 92 | (up)[0] = ((long)(p)) >> 24; \ | |
| 93 | (up)[1] = ((long)(p)) >> 16; \ | |
| 94 | (up)[2] = ((long)(p)) >> 8; \ | |
| 95 | (up)[3] = ((long)(p)); | |
| 96 | ||
| 97 | #define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \ | |
| 98 | + (((long)(up)[2]) << 8) + ((long)(up)[3]) ) | |
| 99 | ||
| 100 | #define MAX_CDB 12 | |
| 101 | #define MAX_SENSE 14 | |
| 102 | #define MAX_STATUS 32 | |
| 103 | ||
| 104 | struct ecb { /* Enhanced Control Block 6.1 */ | |
| 105 | u16 cmdw; /* Command Word */ | |
| 106 | /* Flag Word 1 */ | |
| 107 | u16 cne:1, /* Control Block Chaining */ | |
| 108 | :6, di:1, /* Disable Interrupt */ | |
| 109 | :2, ses:1, /* Suppress Underrun error */ | |
| 110 | :1, sg:1, /* Scatter/Gather */ | |
| 111 | :1, dsb:1, /* Disable Status Block */ | |
| 112 | ars:1; /* Automatic Request Sense */ | |
| 113 | /* Flag Word 2 */ | |
| 114 | u16 lun:3, /* Logical Unit */ | |
| 115 | tag:1, /* Tagged Queuing */ | |
| 116 | tt:2, /* Tag Type */ | |
| 117 | nd:1, /* No Disconnect */ | |
| 118 | :1, dat:1, /* Data transfer - check direction */ | |
| 119 | dir:1, /* Direction of transfer 1 = datain */ | |
| 120 | st:1, /* Suppress Transfer */ | |
| 121 | chk:1, /* Calculate Checksum */ | |
| 122 | :2, rec:1,:1; /* Error Recovery */ | |
| 123 | u16 nil0; /* nothing */ | |
| 124 | u32 dataptr; /* Data or Scatter List ptr */ | |
| 125 | u32 datalen; /* Data or Scatter List len */ | |
| 126 | u32 statusptr; /* Status Block ptr */ | |
| 127 | u32 linkptr; /* Chain Address */ | |
| 128 | u32 nil1; /* nothing */ | |
| 129 | u32 senseptr; /* Sense Info Pointer */ | |
| 130 | u8 senselen; /* Sense Length */ | |
| 131 | u8 cdblen; /* CDB Length */ | |
| 132 | u16 datacheck; /* Data checksum */ | |
| 133 | u8 cdb[MAX_CDB]; /* CDB area */ | |
| 134 | /* Hardware defined portion ends here, rest is driver defined */ | |
| 135 | u8 sense[MAX_SENSE]; /* Sense area */ | |
| 136 | u8 status[MAX_STATUS]; /* Status area */ | |
| 137 | Scsi_Cmnd *SCpnt; /* Link to the SCSI Command Block */ | |
| 138 | void (*done) (Scsi_Cmnd *); /* Completion Function */ | |
| 139 | }; | |
| 140 | ||
| 141 | #define AHA1740CMD_NOP 0x00 /* No OP */ | |
| 142 | #define AHA1740CMD_INIT 0x01 /* Initiator SCSI Command */ | |
| 143 | #define AHA1740CMD_DIAG 0x05 /* Run Diagnostic Command */ | |
| 144 | #define AHA1740CMD_SCSI 0x06 /* Initialize SCSI */ | |
| 145 | #define AHA1740CMD_SENSE 0x08 /* Read Sense Information */ | |
| 146 | #define AHA1740CMD_DOWN 0x09 /* Download Firmware (yeah, I bet!) */ | |
| 147 | #define AHA1740CMD_RINQ 0x0a /* Read Host Adapter Inquiry Data */ | |
| 148 | #define AHA1740CMD_TARG 0x10 /* Target SCSI Command */ | |
| 149 | ||
| 150 | #define AHA1740_ECBS 32 | |
| 151 | #define AHA1740_SCATTER 16 | |
| 152 | #define AHA1740_CMDLUN 1 | |
| 153 | ||
| 154 | #endif |