| /* SPDX-License-Identifier: GPL-2.0 */ |
| #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 */ |
| struct scsi_cmnd *SCpnt; /* Link to the SCSI Command Block */ |
| void (*done) (struct 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 |