aha1740.h
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上传日期:2013-02-24
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- #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>
- #include <linux/kdev_t.h>
- /* Eisa Enhanced mode operation - slot locating and addressing */
- #define MINEISA 1 /* I don't have an EISA Spec to know these ranges, so I */
- #define MAXEISA 8 /* Just took my machine's specifications. Adjust to fit.*/
- /* I just saw an ad, and bumped this from 6 to 8 */
- #define SLOTBASE(x) ((x << 12) + 0xc80)
- #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 */
- 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 *, unsigned int);
- int aha1740_biosparam(Disk *, kdev_t, int*);
- int aha1740_proc_info(char *buffer, char **start, off_t offset,
- int length, int hostno, int inout);
- #define AHA1740_ECBS 32
- #define AHA1740_SCATTER 16
- #define AHA1740_CMDLUN 1
- #ifndef NULL
- #define NULL 0
- #endif
- #define AHA1740 { proc_name: "aha1740",
- proc_info: aha1740_proc_info,
- name: "Adaptec 174x (EISA)",
- detect: aha1740_detect,
- command: aha1740_command,
- queuecommand: aha1740_queuecommand,
- abort: aha1740_abort,
- reset: aha1740_reset,
- bios_param: aha1740_biosparam,
- can_queue: AHA1740_ECBS,
- this_id: 7,
- sg_tablesize: AHA1740_SCATTER,
- cmd_per_lun: AHA1740_CMDLUN,
- use_clustering: ENABLE_CLUSTERING}
- #endif