1#ifndef _AHA1740_H 2 3/* $Id: aha1740.h,v 1.1.1.1 2008/10/15 03:26:49 james26_jang Exp $ 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#include <linux/kdev_t.h> 15 16/* Eisa Enhanced mode operation - slot locating and addressing */ 17#define MINEISA 1 /* I don't have an EISA Spec to know these ranges, so I */ 18#define MAXEISA 8 /* Just took my machine's specifications. Adjust to fit.*/ 19 /* I just saw an ad, and bumped this from 6 to 8 */ 20#define SLOTBASE(x) ((x << 12) + 0xc80) 21#define SLOTSIZE 0x5c 22 23/* EISA configuration registers & values */ 24#define HID0(base) (base + 0x0) 25#define HID1(base) (base + 0x1) 26#define HID2(base) (base + 0x2) 27#define HID3(base) (base + 0x3) 28#define EBCNTRL(base) (base + 0x4) 29#define PORTADR(base) (base + 0x40) 30#define BIOSADR(base) (base + 0x41) 31#define INTDEF(base) (base + 0x42) 32#define SCSIDEF(base) (base + 0x43) 33#define BUSDEF(base) (base + 0x44) 34#define RESV0(base) (base + 0x45) 35#define RESV1(base) (base + 0x46) 36#define RESV2(base) (base + 0x47) 37 38#define HID_MFG "ADP" 39#define HID_PRD 0 40#define HID_REV 2 41#define EBCNTRL_VALUE 1 42#define PORTADDR_ENH 0x80 43/* READ */ 44#define G2INTST(base) (base + 0x56) 45#define G2STAT(base) (base + 0x57) 46#define MBOXIN0(base) (base + 0x58) 47#define MBOXIN1(base) (base + 0x59) 48#define MBOXIN2(base) (base + 0x5a) 49#define MBOXIN3(base) (base + 0x5b) 50#define G2STAT2(base) (base + 0x5c) 51 52#define G2INTST_MASK 0xf0 /* isolate the status */ 53#define G2INTST_CCBGOOD 0x10 /* CCB Completed */ 54#define G2INTST_CCBRETRY 0x50 /* CCB Completed with a retry */ 55#define G2INTST_HARDFAIL 0x70 /* Adapter Hardware Failure */ 56#define G2INTST_CMDGOOD 0xa0 /* Immediate command success */ 57#define G2INTST_CCBERROR 0xc0 /* CCB Completed with error */ 58#define G2INTST_ASNEVENT 0xd0 /* Asynchronous Event Notification */ 59#define G2INTST_CMDERROR 0xe0 /* Immediate command error */ 60 61#define G2STAT_MBXOUT 4 /* Mailbox Out Empty Bit */ 62#define G2STAT_INTPEND 2 /* Interrupt Pending Bit */ 63#define G2STAT_BUSY 1 /* Busy Bit (attention pending) */ 64 65#define G2STAT2_READY 0 /* Host Ready Bit */ 66 67/* WRITE (and ReadBack) */ 68#define MBOXOUT0(base) (base + 0x50) 69#define MBOXOUT1(base) (base + 0x51) 70#define MBOXOUT2(base) (base + 0x52) 71#define MBOXOUT3(base) (base + 0x53) 72#define ATTN(base) (base + 0x54) 73#define G2CNTRL(base) (base + 0x55) 74 75#define ATTN_IMMED 0x10 /* Immediate Command */ 76#define ATTN_START 0x40 /* Start CCB */ 77#define ATTN_ABORT 0x50 /* Abort CCB */ 78 79#define G2CNTRL_HRST 0x80 /* Hard Reset */ 80#define G2CNTRL_IRST 0x40 /* Clear EISA Interrupt */ 81#define G2CNTRL_HRDY 0x20 /* Sets HOST ready */ 82 83/* This is used with scatter-gather */ 84struct aha1740_chain { 85 u32 dataptr; /* Location of data */ 86 u32 datalen; /* Size of this part of chain */ 87}; 88 89/* These belong in scsi.h */ 90#define any2scsi(up, p) \ 91(up)[0] = (((unsigned long)(p)) >> 16) ; \ 92(up)[1] = (((unsigned long)(p)) >> 8); \ 93(up)[2] = ((unsigned long)(p)); 94 95#define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) ) 96 97#define xany2scsi(up, p) \ 98(up)[0] = ((long)(p)) >> 24; \ 99(up)[1] = ((long)(p)) >> 16; \ 100(up)[2] = ((long)(p)) >> 8; \ 101(up)[3] = ((long)(p)); 102 103#define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \ 104 + (((long)(up)[2]) << 8) + ((long)(up)[3]) ) 105 106#define MAX_CDB 12 107#define MAX_SENSE 14 108#define MAX_STATUS 32 109 110struct ecb { /* Enhanced Control Block 6.1 */ 111 u16 cmdw; /* Command Word */ 112 /* Flag Word 1 */ 113 u16 cne:1, /* Control Block Chaining */ 114 :6, di:1, /* Disable Interrupt */ 115 :2, ses:1, /* Suppress Underrun error */ 116 :1, sg:1, /* Scatter/Gather */ 117 :1, dsb:1, /* Disable Status Block */ 118 ars:1; /* Automatic Request Sense */ 119 /* Flag Word 2 */ 120 u16 lun:3, /* Logical Unit */ 121 tag:1, /* Tagged Queuing */ 122 tt:2, /* Tag Type */ 123 nd:1, /* No Disconnect */ 124 :1, dat:1, /* Data transfer - check direction */ 125 dir:1, /* Direction of transfer 1 = datain */ 126 st:1, /* Suppress Transfer */ 127 chk:1, /* Calculate Checksum */ 128 :2, rec:1, :1; /* Error Recovery */ 129 u16 nil0; /* nothing */ 130 u32 dataptr; /* Data or Scatter List ptr */ 131 u32 datalen; /* Data or Scatter List len */ 132 u32 statusptr; /* Status Block ptr */ 133 u32 linkptr; /* Chain Address */ 134 u32 nil1; /* nothing */ 135 u32 senseptr; /* Sense Info Pointer */ 136 u8 senselen; /* Sense Length */ 137 u8 cdblen; /* CDB Length */ 138 u16 datacheck; /* Data checksum */ 139 u8 cdb[MAX_CDB]; /* CDB area */ 140/* Hardware defined portion ends here, rest is driver defined */ 141 u8 sense[MAX_SENSE]; /* Sense area */ 142 u8 status[MAX_STATUS]; /* Status area */ 143 Scsi_Cmnd *SCpnt; /* Link to the SCSI Command Block */ 144 void (*done)(Scsi_Cmnd *); /* Completion Function */ 145}; 146 147#define AHA1740CMD_NOP 0x00 /* No OP */ 148#define AHA1740CMD_INIT 0x01 /* Initiator SCSI Command */ 149#define AHA1740CMD_DIAG 0x05 /* Run Diagnostic Command */ 150#define AHA1740CMD_SCSI 0x06 /* Initialize SCSI */ 151#define AHA1740CMD_SENSE 0x08 /* Read Sense Information */ 152#define AHA1740CMD_DOWN 0x09 /* Download Firmware (yeah, I bet!) */ 153#define AHA1740CMD_RINQ 0x0a /* Read Host Adapter Inquiry Data */ 154#define AHA1740CMD_TARG 0x10 /* Target SCSI Command */ 155 156int aha1740_detect(Scsi_Host_Template *); 157int aha1740_command(Scsi_Cmnd *); 158int aha1740_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); 159int aha1740_abort(Scsi_Cmnd *); 160int aha1740_reset(Scsi_Cmnd *, unsigned int); 161int aha1740_biosparam(Disk *, kdev_t, int*); 162int aha1740_proc_info(char *buffer, char **start, off_t offset, 163 int length, int hostno, int inout); 164 165#define AHA1740_ECBS 32 166#define AHA1740_SCATTER 16 167#define AHA1740_CMDLUN 1 168 169#ifndef NULL 170 #define NULL 0 171#endif 172 173#define AHA1740 { proc_name: "aha1740", \ 174 proc_info: aha1740_proc_info, \ 175 name: "Adaptec 174x (EISA)", \ 176 detect: aha1740_detect, \ 177 command: aha1740_command, \ 178 queuecommand: aha1740_queuecommand, \ 179 abort: aha1740_abort, \ 180 reset: aha1740_reset, \ 181 bios_param: aha1740_biosparam, \ 182 can_queue: AHA1740_ECBS, \ 183 this_id: 7, \ 184 sg_tablesize: AHA1740_SCATTER, \ 185 cmd_per_lun: AHA1740_CMDLUN, \ 186 use_clustering: ENABLE_CLUSTERING} 187 188#endif 189