diff options
Diffstat (limited to 'drivers/scsi/aha1542.h')
| -rw-r--r-- | drivers/scsi/aha1542.h | 136 |
1 files changed, 44 insertions, 92 deletions
diff --git a/drivers/scsi/aha1542.h b/drivers/scsi/aha1542.h index b871d2b57f93..0fe9bae1b3d1 100644 --- a/drivers/scsi/aha1542.h +++ b/drivers/scsi/aha1542.h @@ -1,64 +1,35 @@ -#ifndef _AHA1542_H - -/* $Id: aha1542.h,v 1.1 1992/07/24 06:27:38 root Exp root $ - * - * Header file for the adaptec 1542 driver for Linux - * - * $Log: aha1542.h,v $ - * Revision 1.1 1992/07/24 06:27:38 root - * Initial revision - * - * Revision 1.2 1992/07/04 18:41:49 root - * Replaced distribution with current drivers - * - * Revision 1.3 1992/06/23 23:58:20 root - * Fixes. - * - * Revision 1.2 1992/05/26 22:13:23 root - * Changed bug that prevented DMA above first 2 mbytes. - * - * Revision 1.1 1992/05/22 21:00:29 root - * Initial revision - * - * 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 *** - * - */ +#ifndef _AHA1542_H_ +#define _AHA1542_H_ #include <linux/types.h> /* I/O Port interface 4.2 */ /* READ */ #define STATUS(base) base -#define STST 0x80 /* Self Test in Progress */ -#define DIAGF 0x40 /* Internal Diagnostic 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 STST BIT(7) /* Self Test in Progress */ +#define DIAGF BIT(6) /* Internal Diagnostic Failure */ +#define INIT BIT(5) /* Mailbox Initialization Required */ +#define IDLE BIT(4) /* SCSI Host Adapter Idle */ +#define CDF BIT(3) /* Command/Data Out Port Full */ +#define DF BIT(2) /* Data In Port Full */ +/* BIT(1) is reserved */ +#define INVDCMD BIT(0) /* Invalid H A Command */ +#define STATMASK (STST | DIAGF | INIT | IDLE | CDF | DF | INVDCMD) #define INTRFLAGS(base) (STATUS(base)+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 +#define ANYINTR BIT(7) /* Any Interrupt */ +#define SCRD BIT(3) /* SCSI Reset Detected */ +#define HACC BIT(2) /* HA Command Complete */ +#define MBOA BIT(1) /* MBO Empty */ +#define MBIF BIT(0) /* MBI Full */ +#define INTRMASK (ANYINTR | SCRD | HACC | MBOA | MBIF) /* WRITE */ #define CONTROL(base) STATUS(base) -#define HRST 0x80 /* Hard Reset */ -#define SRST 0x40 /* Soft Reset */ -#define IRST 0x20 /* Interrupt Reset */ -#define SCRST 0x10 /* SCSI Bus Reset */ +#define HRST BIT(7) /* Hard Reset */ +#define SRST BIT(6) /* Soft Reset */ +#define IRST BIT(5) /* Interrupt Reset */ +#define SCRST BIT(4) /* SCSI Bus Reset */ /* READ/WRITE */ #define DATA(base) (STATUS(base)+1) @@ -80,14 +51,14 @@ /* Mailbox Definition 5.2.1 and 5.2.2 */ struct mailbox { - unchar status; /* Command/Status */ - unchar ccbptr[3]; /* msb, .., lsb */ + u8 status; /* Command/Status */ + u8 ccbptr[3]; /* msb, .., lsb */ }; /* This is used with scatter-gather */ struct chain { - unchar datalen[3]; /* Size of this part of chain */ - unchar dataptr[3]; /* Location of data */ + u8 datalen[3]; /* Size of this part of chain */ + u8 dataptr[3]; /* Location of data */ }; /* These belong in scsi.h also */ @@ -100,51 +71,32 @@ static inline void any2scsi(u8 *p, u32 v) #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 */ +struct ccb { /* Command Control Block 5.3 */ + u8 op; /* Command Control Block Operation Code */ + u8 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 */ + u8 cdblen; /* SCSI Command Length */ + u8 rsalen; /* Request Sense Allocation Length/Disable */ + u8 datalen[3]; /* Data Length (msb, .., lsb) */ + u8 dataptr[3]; /* Data Pointer */ + u8 linkptr[3]; /* Link Pointer */ + u8 commlinkid; /* Command Linking Identifier */ + u8 hastat; /* Host Adapter Status (HASTAT) */ + u8 tarstat; /* Target Device Status */ + u8 reserved[2]; + u8 cdb[MAX_CDB+MAX_SENSE]; /* SCSI Command Descriptor Block */ + /* REQUEST SENSE */ }; -static int aha1542_detect(struct scsi_host_template *); -static int aha1542_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); -static int aha1542_bus_reset(Scsi_Cmnd * SCpnt); -static int aha1542_dev_reset(Scsi_Cmnd * SCpnt); -static int aha1542_host_reset(Scsi_Cmnd * SCpnt); -#if 0 -static int aha1542_old_abort(Scsi_Cmnd * SCpnt); -static int aha1542_old_reset(Scsi_Cmnd *, unsigned int); -#endif -static int aha1542_biosparam(struct scsi_device *, struct block_device *, - sector_t, int *); - +#define AHA1542_REGION_SIZE 4 #define AHA1542_MAILBOXES 8 -#define AHA1542_SCATTER 16 -#define AHA1542_CMDLUN 1 -#endif +#endif /* _AHA1542_H_ */ |