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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _AHA1740_H3 4/* $Id$5 *6 * Header file for the adaptec 1740 driver for Linux7 *8 * With minor revisions 3/31/939 * Written and (C) 1992,1993 Brad McLean. See aha1740.c10 * for more info11 *12 */13 14#include <linux/types.h>15 16#define SLOTSIZE 0x5c17 18/* EISA configuration registers & values */19#define HID0(base) (base + 0x0)20#define HID1(base) (base + 0x1)21#define HID2(base) (base + 0x2)22#define HID3(base) (base + 0x3)23#define EBCNTRL(base) (base + 0x4)24#define PORTADR(base) (base + 0x40)25#define BIOSADR(base) (base + 0x41)26#define INTDEF(base) (base + 0x42)27#define SCSIDEF(base) (base + 0x43)28#define BUSDEF(base) (base + 0x44)29#define RESV0(base) (base + 0x45)30#define RESV1(base) (base + 0x46)31#define RESV2(base) (base + 0x47)32 33#define HID_MFG "ADP"34#define HID_PRD 035#define HID_REV 236#define EBCNTRL_VALUE 137#define PORTADDR_ENH 0x8038/* READ */39#define G2INTST(base) (base + 0x56)40#define G2STAT(base) (base + 0x57)41#define MBOXIN0(base) (base + 0x58)42#define MBOXIN1(base) (base + 0x59)43#define MBOXIN2(base) (base + 0x5a)44#define MBOXIN3(base) (base + 0x5b)45#define G2STAT2(base) (base + 0x5c)46 47#define G2INTST_MASK 0xf0 /* isolate the status */48#define G2INTST_CCBGOOD 0x10 /* CCB Completed */49#define G2INTST_CCBRETRY 0x50 /* CCB Completed with a retry */50#define G2INTST_HARDFAIL 0x70 /* Adapter Hardware Failure */51#define G2INTST_CMDGOOD 0xa0 /* Immediate command success */52#define G2INTST_CCBERROR 0xc0 /* CCB Completed with error */53#define G2INTST_ASNEVENT 0xd0 /* Asynchronous Event Notification */54#define G2INTST_CMDERROR 0xe0 /* Immediate command error */55 56#define G2STAT_MBXOUT 4 /* Mailbox Out Empty Bit */57#define G2STAT_INTPEND 2 /* Interrupt Pending Bit */58#define G2STAT_BUSY 1 /* Busy Bit (attention pending) */59 60#define G2STAT2_READY 0 /* Host Ready Bit */61 62/* WRITE (and ReadBack) */63#define MBOXOUT0(base) (base + 0x50)64#define MBOXOUT1(base) (base + 0x51)65#define MBOXOUT2(base) (base + 0x52)66#define MBOXOUT3(base) (base + 0x53)67#define ATTN(base) (base + 0x54)68#define G2CNTRL(base) (base + 0x55)69 70#define ATTN_IMMED 0x10 /* Immediate Command */71#define ATTN_START 0x40 /* Start CCB */72#define ATTN_ABORT 0x50 /* Abort CCB */73 74#define G2CNTRL_HRST 0x80 /* Hard Reset */75#define G2CNTRL_IRST 0x40 /* Clear EISA Interrupt */76#define G2CNTRL_HRDY 0x20 /* Sets HOST ready */77 78/* This is used with scatter-gather */79struct aha1740_chain {80 u32 dataptr; /* Location of data */81 u32 datalen; /* Size of this part of chain */82};83 84/* These belong in scsi.h */85#define any2scsi(up, p) \86(up)[0] = (((unsigned long)(p)) >> 16) ; \87(up)[1] = (((unsigned long)(p)) >> 8); \88(up)[2] = ((unsigned long)(p));89 90#define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )91 92#define xany2scsi(up, p) \93(up)[0] = ((long)(p)) >> 24; \94(up)[1] = ((long)(p)) >> 16; \95(up)[2] = ((long)(p)) >> 8; \96(up)[3] = ((long)(p));97 98#define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \99 + (((long)(up)[2]) << 8) + ((long)(up)[3]) )100 101#define MAX_CDB 12102#define MAX_SENSE 14103#define MAX_STATUS 32104 105struct ecb { /* Enhanced Control Block 6.1 */106 u16 cmdw; /* Command Word */107 /* Flag Word 1 */108 u16 cne:1, /* Control Block Chaining */109 :6, di:1, /* Disable Interrupt */110 :2, ses:1, /* Suppress Underrun error */111 :1, sg:1, /* Scatter/Gather */112 :1, dsb:1, /* Disable Status Block */113 ars:1; /* Automatic Request Sense */114 /* Flag Word 2 */115 u16 lun:3, /* Logical Unit */116 tag:1, /* Tagged Queuing */117 tt:2, /* Tag Type */118 nd:1, /* No Disconnect */119 :1, dat:1, /* Data transfer - check direction */120 dir:1, /* Direction of transfer 1 = datain */121 st:1, /* Suppress Transfer */122 chk:1, /* Calculate Checksum */123 :2, rec:1,:1; /* Error Recovery */124 u16 nil0; /* nothing */125 u32 dataptr; /* Data or Scatter List ptr */126 u32 datalen; /* Data or Scatter List len */127 u32 statusptr; /* Status Block ptr */128 u32 linkptr; /* Chain Address */129 u32 nil1; /* nothing */130 u32 senseptr; /* Sense Info Pointer */131 u8 senselen; /* Sense Length */132 u8 cdblen; /* CDB Length */133 u16 datacheck; /* Data checksum */134 u8 cdb[MAX_CDB]; /* CDB area */135/* Hardware defined portion ends here, rest is driver defined */136 u8 sense[MAX_SENSE]; /* Sense area */137 u8 status[MAX_STATUS]; /* Status area */138 struct scsi_cmnd *SCpnt; /* Link to the SCSI Command Block */139 void (*done) (struct scsi_cmnd *); /* Completion Function */140};141 142#define AHA1740CMD_NOP 0x00 /* No OP */143#define AHA1740CMD_INIT 0x01 /* Initiator SCSI Command */144#define AHA1740CMD_DIAG 0x05 /* Run Diagnostic Command */145#define AHA1740CMD_SCSI 0x06 /* Initialize SCSI */146#define AHA1740CMD_SENSE 0x08 /* Read Sense Information */147#define AHA1740CMD_DOWN 0x09 /* Download Firmware (yeah, I bet!) */148#define AHA1740CMD_RINQ 0x0a /* Read Host Adapter Inquiry Data */149#define AHA1740CMD_TARG 0x10 /* Target SCSI Command */150 151#define AHA1740_ECBS 32152#define AHA1740_SCATTER 16153 154#endif155