| #ifndef _AHA1542_H |
| |
| /* $Id: aha1542.h,v 1.1 1992/04/24 18:01:50 root Exp root $ |
| * |
| * Header file for the adaptec 1542 driver for Linux |
| * |
| * $Log: aha1542.h,v $ |
| * Revision 1.1 1992/04/24 18:01:50 root |
| * Initial revision |
| * |
| * Revision 1.1 1992/04/02 03:23:13 drew |
| * Initial revision |
| * |
| * Revision 1.3 1992/01/27 14:46:29 tthorn |
| * *** empty log message *** |
| * |
| */ |
| |
| /* I/O Port interface 4.2 */ |
| /* READ */ |
| #define STATUS base |
| #define STST 0x80 /* Self Test in Progress */ |
| #define DIAGF 0x40 /* Internal Diagonostic Failure */ |
| #define INIT 0x20 /* Mailbox Initialization Required */ |
| #define IDLE 0x10 /* SCSI Host Adapter Idle */ |
| #define CDF 0x08 /* Command/Data Out Port Full */ |
| #define DF 0x04 /* Data In Port Full */ |
| #define INVDCMD 0x01 /* Invalid H A Command */ |
| #define STATMASK 0xfd /* 0x02 is reserved */ |
| |
| #define INTRFLAGS STATUS+2 |
| #define ANYINTR 0x80 /* Any Interrupt */ |
| #define SCRD 0x08 /* SCSI Reset Detected */ |
| #define HACC 0x04 /* HA Command Complete */ |
| #define MBOA 0x02 /* MBO Empty */ |
| #define MBIF 0x01 /* MBI Full */ |
| #define INTRMASK 0x8f |
| |
| /* WRITE */ |
| #define CONTROL STATUS |
| #define HRST 0x80 /* Hard Reset */ |
| #define SRST 0x40 /* Soft Reset */ |
| #define IRST 0x20 /* Interrupt Reset */ |
| #define SCRST 0x10 /* SCSI Bus Reset */ |
| |
| /* READ/WRITE */ |
| #define DATA STATUS+1 |
| #define CMD_NOP 0x00 /* No Operation */ |
| #define CMD_MBINIT 0x01 /* Mailbox Initialization */ |
| #define CMD_START_SCSI 0x02 /* Start SCSI Command */ |
| #define CMD_INQUIRY 0x04 /* Adapter Inquiry */ |
| #define CMD_EMBOI 0x05 /* Enable MailBox Out Interrupt */ |
| #define CMD_BUSON_TIME 0x07 /* Set Bus-On Time */ |
| #define CMD_BUSOFF_TIME 0x08 /* Set Bus-Off Time */ |
| #define CMD_RETDEVS 0x0a /* Return Installed Devices */ |
| #define CMD_RETCONF 0x0b /* Return Configuration Data */ |
| #define CMD_RETSETUP 0x0d /* Return Setup Data */ |
| #define CMD_ECHO 0x1f /* ECHO Command Data */ |
| |
| /* Mailbox Definition 5.2.1 and 5.2.2 */ |
| struct mailbox { |
| unchar status; /* Command/Status */ |
| unchar ccbptr[3]; /* msb, .., lsb */ |
| }; |
| |
| /* These belong in scsi.h also */ |
| #define any2scsi(up, p) \ |
| (up)[0] = (((long)(p)) >> 16) & 0xff; \ |
| (up)[1] = ((long)(p)) >> 8; \ |
| (up)[2] = ((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 |
| |
| struct ccb { /* Command Control Block 5.3 */ |
| unchar op; /* Command Control Block Operation Code */ |
| unchar idlun; /* op=0,2:Target Id, op=1:Initiator Id */ |
| /* Outbound data transfer, length is checked*/ |
| /* Inbound data transfer, length is checked */ |
| /* Logical Unit Number */ |
| unchar cdblen; /* SCSI Command Length */ |
| unchar rsalen; /* Request Sense Allocation Length/Disable */ |
| unchar datalen[3]; /* Data Length (msb, .., lsb) */ |
| unchar dataptr[3]; /* Data Pointer */ |
| unchar linkptr[3]; /* Link Pointer */ |
| unchar commlinkid; /* Command Linking Identifier */ |
| unchar hastat; /* Host Adapter Status (HASTAT) */ |
| unchar tarstat; /* Target Device Status */ |
| unchar reserved[2]; |
| unchar cdb[MAX_CDB+MAX_SENSE];/* SCSI Command Descriptor Block */ |
| /* REQUEST SENSE */ |
| }; |
| |
| int aha1542_detect(int); |
| int aha1542_command(unsigned char target, const void *cmnd, void *buff, int bufflen); |
| /*int aha1542_queuecommand(unchar target, const void *cmnd, void *buff, int bufflen, void (*done)(int));*/ |
| int aha1542_abort(int); |
| char *aha1542_info(void); |
| int aha1542_reset(void); |
| |
| #ifndef NULL |
| #define NULL 0 |
| #endif |
| |
| #define AHA1542 {"Adaptec 1542", aha1542_detect, \ |
| aha1542_info, aha1542_command, \ |
| /*aha1542_queuecommand*/ NULL, \ |
| aha1542_abort, \ |
| aha1542_reset, \ |
| 0, 7, 0} |
| #endif |