#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 #include /* * Eisa Enhanced mode operation - slot locating and addressing * * I don't have an EISA Spec to know these ranges, so I Just took my * machine's specifications. Adjust to fit. */ #define MINEISA 1 #define MAXEISA 8 /* I just saw an ad, and bumped this from 6 to 8 */ #define SLOTBASE(x) ((x << 12)+ 0xc80 ) #define BASE (base) /* EISA configuration registers & values */ #define HID0 (base + 0x0) #define HID1 (base + 0x1) #define HID2 (base + 0x2) #define HID3 (base + 0x3) #define EBCNTRL (base + 0x4) #define PORTADR (base + 0x40) #define BIOSADR (base + 0x41) #define INTDEF (base + 0x42) #define SCSIDEF (base + 0x43) #define BUSDEF (base + 0x44) #define RESV0 (base + 0x45) #define RESV1 (base + 0x46) #define RESV2 (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 + 0x56) #define G2STAT (BASE + 0x57) #define MBOXIN0 (BASE + 0x58) #define MBOXIN1 (BASE + 0x59) #define MBOXIN2 (BASE + 0x5a) #define MBOXIN3 (BASE + 0x5b) #define G2STAT2 (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 + 0x50) #define MBOXOUT1 (BASE + 0x51) #define MBOXOUT2 (BASE + 0x52) #define MBOXOUT3 (BASE + 0x53) #define ATTN (BASE + 0x54) #define G2CNTRL (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 */ int aha1740_detect(Scsi_Host_Template *); int aha1740_command(Scsi_Cmnd *); int aha1740_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); int aha1740_abort(Scsi_Cmnd *); int aha1740_reset(Scsi_Cmnd *); int aha1740_biosparam(Disk *, kdev_t, int*); #define AHA1740_ECBS 32 #define AHA1740_SCATTER 16 #ifndef NULL #define NULL 0 #endif #define AHA1740 {NULL, NULL, \ NULL, \ NULL, \ "Adaptec 174x (EISA)", \ aha1740_detect, \ NULL, \ NULL, \ aha1740_command, \ aha1740_queuecommand, \ aha1740_abort, \ aha1740_reset, \ NULL, \ aha1740_biosparam, \ AHA1740_ECBS, \ 7, \ AHA1740_SCATTER, \ 1, \ 0, \ 0, \ ENABLE_CLUSTERING} #endif