patch-2.0.3 linux/drivers/scsi/ncr53c8xx.h
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- Lines: 850
- Date:
Sat Jul 6 12:06:37 1996
- Orig file:
v2.0.2/linux/drivers/scsi/ncr53c8xx.h
- Orig date:
Thu Jan 1 02:00:00 1970
diff -u --recursive --new-file v2.0.2/linux/drivers/scsi/ncr53c8xx.h linux/drivers/scsi/ncr53c8xx.h
@@ -0,0 +1,849 @@
+/******************************************************************************
+** Device driver for the PCI-SCSI NCR538XX controller family.
+**
+** Copyright (C) 1994 Wolfgang Stanglmeier
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+**
+**-----------------------------------------------------------------------------
+**
+** This driver has been ported to Linux from the FreeBSD NCR53C8XX driver
+** and is currently maintained by
+**
+** Gerard Roudier <groudier@club-internet.fr>
+**
+** Being given that this driver originates from the FreeBSD version, and
+** in order to keep synergy on both, any suggested enhancements and corrections
+** received on Linux are automatically a potential candidate for the FreeBSD
+** version.
+**
+** The original driver has been written for 386bsd and FreeBSD by
+** Wolfgang Stanglmeier <wolf@cologne.de>
+** Stefan Esser <se@mi.Uni-Koeln.de>
+**
+** And has been ported to NetBSD by
+** Charles M. Hannum <mycroft@gnu.ai.mit.edu>
+**
+*******************************************************************************
+*/
+
+#ifndef NCR53C8XX_H
+#define NCR53C8XX_H
+
+/*********** LINUX SPECIFIC SECTION ******************/
+
+/*
+** Check supported Linux versions
+*/
+
+#if !defined(LINUX_VERSION_CODE)
+#include <linux/version.h>
+#endif
+#include <linux/config.h>
+
+/*
+** During make dep of linux-1.2.13, LINUX_VERSION_CODE is undefined
+** Under linux-1.3.X, all seems to be OK.
+** So, we have only to define it under 1.2.13
+*/
+
+#define LinuxVersionCode(v, p, s) (((v)<<16)+((p)<<8)+(s))
+
+#if !defined(LINUX_VERSION_CODE)
+#define LINUX_VERSION_CODE LinuxVersionCode(1,2,13)
+#endif
+
+#if !defined(VERSION)
+#define VERSION ((LINUX_VERSION_CODE >> 16) & 0xff)
+#define PATCHLEVEL ((LINUX_VERSION_CODE >> 8) & 0xff)
+#define SUBLEVEL ((LINUX_VERSION_CODE >> 0) & 0xff)
+#endif
+
+#if VERSION == 0 || VERSION > 3
+# error Only Linux version 1 and probable 2 or 3 supported.
+#endif
+
+#if VERSION == 1 && PATCHLEVEL == 2
+# if SUBLEVEL != 13
+# error Only sublevel 13 of Linux 1.2 is supported.
+# endif
+#endif
+
+#if VERSION == 1 && PATCHLEVEL == 3
+# if SUBLEVEL < 45
+# error Only sublevels >=45 of Linux 1.3 are supported.
+# endif
+#endif
+
+/*
+** Normal IO or memory mapped IO.
+**
+** Memory mapped IO only works with linux-1.3.X
+** If your motherboard does not work with memory mapped IO,
+** define SCSI_NCR_IOMAPPED for PATCHLEVEL 3 too.
+*/
+
+#if LINUX_VERSION_CODE < LinuxVersionCode(1,3,0)
+# define SCSI_NCR_IOMAPPED
+#endif
+
+#if LINUX_VERSION_CODE >= LinuxVersionCode(1,3,0)
+# define SCSI_NCR_PROC_INFO_SUPPORT
+#endif
+
+#if LINUX_VERSION_CODE >= LinuxVersionCode(1,3,72)
+# define SCSI_NCR_SHARE_IRQ
+#endif
+
+/*
+** Avoid to change these constants, unless you know what you are doing.
+*/
+
+#define SCSI_NCR_MAX_TAGS (4)
+#define SCSI_NCR_ALWAYS_SIMPLE_TAG
+
+#ifdef CONFIG_SCSI_NCR53C8XX_IOMAPPED
+#define SCSI_NCR_IOMAPPED
+#endif
+
+#ifndef CONFIG_SCSI_NCR53C8XX_TAGGED_QUEUE
+#define SCSI_NCR_TAGGED_QUEUE_DISABLED
+#endif
+
+#ifdef CONFIG_SCSI_NCR53C8XX_NO_DISCONNECT
+#define SCSI_NCR_NO_DISCONNECT
+#endif
+
+#ifdef CONFIG_SCSI_NCR53C8XX_FORCE_ASYNCHRONOUS
+#define SCSI_NCR_FORCE_ASYNCHRONOUS
+#endif
+
+#ifdef CONFIG_SCSI_NCR53C8XX_FORCE_SYNC_NEGO
+#define SCSI_NCR_FORCE_SYNC_NEGO
+#endif
+
+#ifdef CONFIG_SCSI_NCR53C8XX_DISABLE_MPARITY_CHECK
+#define SCSI_NCR_DISABLE_MPARITY_CHECK
+#endif
+
+#ifdef CONFIG_SCSI_NCR53C8XX_DISABLE_PARITY_CHECK
+#define SCSI_NCR_DISABLE_PARITY_CHECK
+#endif
+
+#if 0
+#define SCSI_NCR_SEGMENT_SIZE (512)
+#endif
+
+#define SCSI_NCR_MAX_SCATTER (128)
+#define SCSI_NCR_MAX_TARGET (16)
+#define SCSI_NCR_MAX_HOST (2)
+#define SCSI_NCR_SETTLE_TIME (2)
+#define SCSI_NCR_TIMEOUT_ALERT (3*HZ)
+
+#define SCSI_NCR_CAN_QUEUE (7*SCSI_NCR_MAX_TAGS)
+#define SCSI_NCR_CMD_PER_LUN (SCSI_NCR_MAX_TAGS)
+#define SCSI_NCR_SG_TABLESIZE (SCSI_NCR_MAX_SCATTER-1)
+
+#if 1 /* defined CONFIG_SCSI_MULTI_LUN */
+#define SCSI_NCR_MAX_LUN (8)
+#else
+#define SCSI_NCR_MAX_LUN (1)
+#endif
+
+#define SCSI_NCR_TIMER_INTERVAL ((HZ+5-1)/5)
+
+/*
+** Define Scsi_Host_Template parameters
+**
+** Used by hosts.c and ncr53c8xx.c with module configuration.
+*/
+
+#if defined(HOSTS_C) || defined(MODULE)
+
+#if LINUX_VERSION_CODE >= LinuxVersionCode(1,3,98)
+#include <scsi/scsicam.h>
+#else
+#include <linux/scsicam.h>
+#endif
+
+int ncr53c8xx_abort(Scsi_Cmnd *);
+int ncr53c8xx_detect(Scsi_Host_Template *tpnt);
+int ncr53c8xx_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
+
+#if LINUX_VERSION_CODE >= LinuxVersionCode(1,3,98)
+int ncr53c8xx_reset(Scsi_Cmnd *, unsigned int);
+#else
+int ncr53c8xx_reset(Scsi_Cmnd *);
+#endif
+
+#ifdef MODULE
+int ncr53c8xx_release(struct Scsi_Host *);
+#else
+#define ncr53c8xx_release NULL
+#endif
+
+#if LINUX_VERSION_CODE >= LinuxVersionCode(1,3,0)
+
+#define NCR53C8XX {NULL,NULL,NULL,NULL,"ncr53c8xx (rel 1.12a)", ncr53c8xx_detect,\
+ ncr53c8xx_release, /* info */ NULL, /* command, deprecated */ NULL, \
+ ncr53c8xx_queue_command, ncr53c8xx_abort, ncr53c8xx_reset, \
+ NULL /* slave attach */, scsicam_bios_param, /* can queue */ SCSI_NCR_CAN_QUEUE,\
+ /* id */ 7, SCSI_NCR_SG_TABLESIZE /* SG */, /* cmd per lun */ SCSI_NCR_CMD_PER_LUN, \
+ /* present */ 0, /* unchecked isa dma */ 0, DISABLE_CLUSTERING}
+
+
+#else
+
+
+#define NCR53C8XX {NULL, NULL, "ncr53c8xx (rel 1.12a)", ncr53c8xx_detect,\
+ ncr53c8xx_release, /* info */ NULL, /* command, deprecated */ NULL, \
+ ncr53c8xx_queue_command, ncr53c8xx_abort, ncr53c8xx_reset, \
+ NULL /* slave attach */, scsicam_bios_param, /* can queue */ SCSI_NCR_CAN_QUEUE,\
+ /* id */ 7, SCSI_NCR_SG_TABLESIZE /* SG */, /* cmd per lun */ SCSI_NCR_CMD_PER_LUN, \
+ /* present */ 0, /* unchecked isa dma */ 0, DISABLE_CLUSTERING}
+
+#endif /* LINUX_VERSION_CODE >= LinuxVersionCode(1,3,0) */
+
+#endif /* defined(HOSTS_C) || defined(MODULE) */
+
+
+#ifndef HOSTS_C
+
+/*
+** Define the table of target capabilities by host and target
+**
+** If you have problems with a scsi device, note the host unit and the
+** corresponding target number.
+**
+** Edit the corresponding entry of the table below and try successively:
+** NQ7_Questionnable
+** NQ7_IdeLike
+**
+** This bitmap is anded with the byte 7 of inquiry data on completion of
+** INQUIRY command.
+** The driver never see the zeroed bits and will ignore the corresponding
+** capabilities of the target.
+*/
+
+#define INQ7_SftRe 1
+#define INQ7_CmdQueue (1<<1) /* Tagged Command */
+#define INQ7_Reserved (1<<2)
+#define INQ7_Linked (1<<3)
+#define INQ7_Sync (1<<4) /* Synchronous Negotiation */
+#define INQ7_WBus16 (1<<5)
+#define INQ7_WBus32 (1<<6)
+#define INQ7_RelAdr (1<<7)
+
+#define INQ7_IdeLike 0
+#define INQ7_Scsi1Like INQ7_IdeLike
+#define INQ7_Perfect 0xff
+#define INQ7_Questionnable ~(INQ7_CmdQueue|INQ7_Sync)
+#define INQ7_VeryQuestionnable \
+ ~(INQ7_CmdQueue|INQ7_Sync|INQ7_WBus16|INQ7_WBus32)
+
+#define INQ7_Default INQ7_Perfect
+
+#define NCR53C8XX_TARGET_CAPABILITIES \
+/* Host 0 */ \
+{ \
+ { \
+ /* Target 0 */ INQ7_Default, \
+ /* Target 1 */ INQ7_Default, \
+ /* Target 2 */ INQ7_Default, \
+ /* Target 3 */ INQ7_Default, \
+ /* Target 4 */ INQ7_Default, \
+ /* Target 5 */ INQ7_Default, \
+ /* Target 6 */ INQ7_Default, \
+ /* Target 7 */ INQ7_Default, \
+ /* Target 8 */ INQ7_Default, \
+ /* Target 9 */ INQ7_Default, \
+ /* Target 10 */ INQ7_Default, \
+ /* Target 11 */ INQ7_Default, \
+ /* Target 12 */ INQ7_Default, \
+ /* Target 13 */ INQ7_Default, \
+ /* Target 14 */ INQ7_Default, \
+ /* Target 15 */ INQ7_Default, \
+ } \
+}, \
+/* Host 1 */ \
+{ \
+ { \
+ /* Target 0 */ INQ7_Default, \
+ /* Target 1 */ INQ7_Default, \
+ /* Target 2 */ INQ7_Default, \
+ /* Target 3 */ INQ7_Default, \
+ /* Target 4 */ INQ7_Default, \
+ /* Target 5 */ INQ7_Default, \
+ /* Target 6 */ INQ7_Default, \
+ /* Target 7 */ INQ7_Default, \
+ /* Target 8 */ INQ7_Default, \
+ /* Target 9 */ INQ7_Default, \
+ /* Target 10 */ INQ7_Default, \
+ /* Target 11 */ INQ7_Default, \
+ /* Target 12 */ INQ7_Default, \
+ /* Target 13 */ INQ7_Default, \
+ /* Target 14 */ INQ7_Default, \
+ /* Target 15 */ INQ7_Default, \
+ } \
+}
+
+/*
+** Replace the proc_dir_entry of the standard ncr driver.
+*/
+
+#if LINUX_VERSION_CODE >= LinuxVersionCode(1,3,0)
+#if defined(CONFIG_SCSI_NCR53C7xx) || !defined(CONFIG_SCSI_NCR53C8XX)
+#define PROC_SCSI_NCR53C8XX PROC_SCSI_NCR53C7xx
+#endif
+#endif
+
+/*
+** NCR53C8XX Device Ids
+*/
+
+#ifndef PCI_DEVICE_ID_NCR_53C810
+#define PCI_DEVICE_ID_NCR_53C810 1
+#endif
+
+#ifndef PCI_DEVICE_ID_NCR_53C810AP
+#define PCI_DEVICE_ID_NCR_53C810AP 5
+#endif
+
+#ifndef PCI_DEVICE_ID_NCR_53C815
+#define PCI_DEVICE_ID_NCR_53C815 4
+#endif
+
+#ifndef PCI_DEVICE_ID_NCR_53C820
+#define PCI_DEVICE_ID_NCR_53C820 2
+#endif
+
+#ifndef PCI_DEVICE_ID_NCR_53C825
+#define PCI_DEVICE_ID_NCR_53C825 3
+#endif
+
+#ifndef PCI_DEVICE_ID_NCR_53C860
+#define PCI_DEVICE_ID_NCR_53C860 6
+#endif
+
+#ifndef PCI_DEVICE_ID_NCR_53C875
+#define PCI_DEVICE_ID_NCR_53C875 0xf
+#endif
+
+/**************** ORIGINAL CONTENT of ncrreg.h from FreeBSD ******************/
+
+/*-----------------------------------------------------------------
+**
+** The ncr 53c810 register structure.
+**
+**-----------------------------------------------------------------
+*/
+
+struct ncr_reg {
+/*00*/ u_char nc_scntl0; /* full arb., ena parity, par->ATN */
+
+/*01*/ u_char nc_scntl1; /* no reset */
+ #define ISCON 0x10 /* connected to scsi */
+ #define CRST 0x08 /* force reset */
+
+/*02*/ u_char nc_scntl2; /* no disconnect expected */
+ #define SDU 0x80 /* cmd: disconnect will raise error */
+ #define CHM 0x40 /* sta: chained mode */
+ #define WSS 0x08 /* sta: wide scsi send [W]*/
+ #define WSR 0x01 /* sta: wide scsi received [W]*/
+
+/*03*/ u_char nc_scntl3; /* cnf system clock dependent */
+ #define EWS 0x08 /* cmd: enable wide scsi [W]*/
+
+/*04*/ u_char nc_scid; /* cnf host adapter scsi address */
+ #define RRE 0x40 /* r/w:e enable response to resel. */
+ #define SRE 0x20 /* r/w:e enable response to select */
+
+/*05*/ u_char nc_sxfer; /* ### Sync speed and count */
+
+/*06*/ u_char nc_sdid; /* ### Destination-ID */
+
+/*07*/ u_char nc_gpreg; /* ??? IO-Pins */
+
+/*08*/ u_char nc_sfbr; /* ### First byte in phase */
+
+/*09*/ u_char nc_socl;
+ #define CREQ 0x80 /* r/w: SCSI-REQ */
+ #define CACK 0x40 /* r/w: SCSI-ACK */
+ #define CBSY 0x20 /* r/w: SCSI-BSY */
+ #define CSEL 0x10 /* r/w: SCSI-SEL */
+ #define CATN 0x08 /* r/w: SCSI-ATN */
+ #define CMSG 0x04 /* r/w: SCSI-MSG */
+ #define CC_D 0x02 /* r/w: SCSI-C_D */
+ #define CI_O 0x01 /* r/w: SCSI-I_O */
+
+/*0a*/ u_char nc_ssid;
+
+/*0b*/ u_char nc_sbcl;
+
+/*0c*/ u_char nc_dstat;
+ #define DFE 0x80 /* sta: dma fifo empty */
+ #define MDPE 0x40 /* int: master data parity error */
+ #define BF 0x20 /* int: script: bus fault */
+ #define ABRT 0x10 /* int: script: command aborted */
+ #define SSI 0x08 /* int: script: single step */
+ #define SIR 0x04 /* int: script: interrupt instruct. */
+ #define IID 0x01 /* int: script: illegal instruct. */
+
+/*0d*/ u_char nc_sstat0;
+ #define ILF 0x80 /* sta: data in SIDL register lsb */
+ #define ORF 0x40 /* sta: data in SODR register lsb */
+ #define OLF 0x20 /* sta: data in SODL register lsb */
+ #define AIP 0x10 /* sta: arbitration in progress */
+ #define LOA 0x08 /* sta: arbitration lost */
+ #define WOA 0x04 /* sta: arbitration won */
+ #define IRST 0x02 /* sta: scsi reset signal */
+ #define SDP 0x01 /* sta: scsi parity signal */
+
+/*0e*/ u_char nc_sstat1;
+ #define FF3210 0xf0 /* sta: bytes in the scsi fifo */
+
+/*0f*/ u_char nc_sstat2;
+ #define ILF1 0x80 /* sta: data in SIDL register msb[W]*/
+ #define ORF1 0x40 /* sta: data in SODR register msb[W]*/
+ #define OLF1 0x20 /* sta: data in SODL register msb[W]*/
+ #define LDSC 0x02 /* sta: disconnect & reconnect */
+
+/*10*/ u_int32 nc_dsa; /* --> Base page */
+
+/*14*/ u_char nc_istat; /* --> Main Command and status */
+ #define CABRT 0x80 /* cmd: abort current operation */
+ #define SRST 0x40 /* mod: reset chip */
+ #define SIGP 0x20 /* r/w: message from host to ncr */
+ #define SEM 0x10 /* r/w: message between host + ncr */
+ #define CON 0x08 /* sta: connected to scsi */
+ #define INTF 0x04 /* sta: int on the fly (reset by wr)*/
+ #define SIP 0x02 /* sta: scsi-interrupt */
+ #define DIP 0x01 /* sta: host/script interrupt */
+
+/*15*/ u_char nc_15_;
+/*16*/ u_char nc_16_;
+/*17*/ u_char nc_17_;
+
+/*18*/ u_char nc_ctest0;
+/*19*/ u_char nc_ctest1;
+
+/*1a*/ u_char nc_ctest2;
+ #define CSIGP 0x40
+
+/*1b*/ u_char nc_ctest3;
+ #define CLF 0x04 /* clear scsi fifo */
+
+/*1c*/ u_int32 nc_temp; /* ### Temporary stack */
+
+/*20*/ u_char nc_dfifo;
+/*21*/ u_char nc_ctest4;
+/*22*/ u_char nc_ctest5;
+/*23*/ u_char nc_ctest6;
+
+/*24*/ u_int32 nc_dbc; /* ### Byte count and command */
+/*28*/ u_int32 nc_dnad; /* ### Next command register */
+/*2c*/ u_int32 nc_dsp; /* --> Script Pointer */
+/*30*/ u_int32 nc_dsps; /* --> Script pointer save/opcode#2 */
+/*34*/ u_int32 nc_scratcha; /* ??? Temporary register a */
+
+/*38*/ u_char nc_dmode;
+/*39*/ u_char nc_dien;
+/*3a*/ u_char nc_dwt;
+
+/*3b*/ u_char nc_dcntl; /* --> Script execution control */
+ #define SSM 0x10 /* mod: single step mode */
+ #define STD 0x04 /* cmd: start dma mode */
+ #define NOCOM 0x01 /* cmd: protect sfbr while reselect */
+
+/*3c*/ u_int32 nc_adder;
+
+/*40*/ u_short nc_sien; /* -->: interrupt enable */
+/*42*/ u_short nc_sist; /* <--: interrupt status */
+ #define STO 0x0400/* sta: timeout (select) */
+ #define GEN 0x0200/* sta: timeout (general) */
+ #define HTH 0x0100/* sta: timeout (handshake) */
+ #define MA 0x80 /* sta: phase mismatch */
+ #define CMP 0x40 /* sta: arbitration complete */
+ #define SEL 0x20 /* sta: selected by another device */
+ #define RSL 0x10 /* sta: reselected by another device*/
+ #define SGE 0x08 /* sta: gross error (over/underflow)*/
+ #define UDC 0x04 /* sta: unexpected disconnect */
+ #define RST 0x02 /* sta: scsi bus reset detected */
+ #define PAR 0x01 /* sta: scsi parity error */
+
+/*44*/ u_char nc_slpar;
+/*45*/ u_char nc_swide;
+/*46*/ u_char nc_macntl;
+/*47*/ u_char nc_gpcntl;
+/*48*/ u_char nc_stime0; /* cmd: timeout for select&handshake*/
+/*49*/ u_char nc_stime1; /* cmd: timeout user defined */
+/*4a*/ u_short nc_respid; /* sta: Reselect-IDs */
+
+/*4c*/ u_char nc_stest0;
+
+/*4d*/ u_char nc_stest1;
+
+/*4e*/ u_char nc_stest2;
+ #define ROF 0x40 /* reset scsi offset (after gross error!) */
+ #define EXT 0x02 /* extended filtering */
+
+/*4f*/ u_char nc_stest3;
+ #define TE 0x80 /* c: tolerAnt enable */
+ #define CSF 0x02 /* c: clear scsi fifo */
+
+/*50*/ u_short nc_sidl; /* Lowlevel: latched from scsi data */
+/*52*/ u_short nc_52_;
+/*54*/ u_short nc_sodl; /* Lowlevel: data out to scsi data */
+/*56*/ u_short nc_56_;
+/*58*/ u_short nc_sbdl; /* Lowlevel: data from scsi data */
+/*5a*/ u_short nc_5a_;
+/*5c*/ u_char nc_scr0; /* Working register B */
+/*5d*/ u_char nc_scr1; /* */
+/*5e*/ u_char nc_scr2; /* */
+/*5f*/ u_char nc_scr3; /* */
+/*60*/
+};
+
+/*-----------------------------------------------------------
+**
+** Utility macros for the script.
+**
+**-----------------------------------------------------------
+*/
+
+#define REGJ(p,r) (offsetof(struct ncr_reg, p ## r))
+#define REG(r) REGJ (nc_, r)
+
+#ifndef TARGET_MODE
+#define TARGET_MODE 0
+#endif
+
+typedef u_int32 ncrcmd;
+
+/*-----------------------------------------------------------
+**
+** SCSI phases
+**
+**-----------------------------------------------------------
+*/
+
+#define SCR_DATA_OUT 0x00000000
+#define SCR_DATA_IN 0x01000000
+#define SCR_COMMAND 0x02000000
+#define SCR_STATUS 0x03000000
+#define SCR_ILG_OUT 0x04000000
+#define SCR_ILG_IN 0x05000000
+#define SCR_MSG_OUT 0x06000000
+#define SCR_MSG_IN 0x07000000
+
+/*-----------------------------------------------------------
+**
+** Data transfer via SCSI.
+**
+**-----------------------------------------------------------
+**
+** MOVE_ABS (LEN)
+** <<start address>>
+**
+** MOVE_IND (LEN)
+** <<dnad_offset>>
+**
+** MOVE_TBL
+** <<dnad_offset>>
+**
+**-----------------------------------------------------------
+*/
+
+#define SCR_MOVE_ABS(l) ((0x08000000 ^ (TARGET_MODE << 1ul)) | (l))
+#define SCR_MOVE_IND(l) ((0x28000000 ^ (TARGET_MODE << 1ul)) | (l))
+#define SCR_MOVE_TBL (0x18000000 ^ (TARGET_MODE << 1ul))
+
+struct scr_tblmove {
+ u_int32 size;
+ u_int32 addr;
+};
+
+/*-----------------------------------------------------------
+**
+** Selection
+**
+**-----------------------------------------------------------
+**
+** SEL_ABS | SCR_ID (0..7) [ | REL_JMP]
+** <<alternate_address>>
+**
+** SEL_TBL | << dnad_offset>> [ | REL_JMP]
+** <<alternate_address>>
+**
+**-----------------------------------------------------------
+*/
+
+#define SCR_SEL_ABS 0x40000000
+#define SCR_SEL_ABS_ATN 0x41000000
+#define SCR_SEL_TBL 0x42000000
+#define SCR_SEL_TBL_ATN 0x43000000
+
+struct scr_tblsel {
+ u_char sel_0;
+ u_char sel_sxfer;
+ u_char sel_id;
+ u_char sel_scntl3;
+};
+
+#define SCR_JMP_REL 0x04000000
+#define SCR_ID(id) (((u_int32)(id)) << 16)
+
+/*-----------------------------------------------------------
+**
+** Waiting for Disconnect or Reselect
+**
+**-----------------------------------------------------------
+**
+** WAIT_DISC
+** dummy: <<alternate_address>>
+**
+** WAIT_RESEL
+** <<alternate_address>>
+**
+**-----------------------------------------------------------
+*/
+
+#define SCR_WAIT_DISC 0x48000000
+#define SCR_WAIT_RESEL 0x50000000
+
+/*-----------------------------------------------------------
+**
+** Bit Set / Reset
+**
+**-----------------------------------------------------------
+**
+** SET (flags {|.. })
+**
+** CLR (flags {|.. })
+**
+**-----------------------------------------------------------
+*/
+
+#define SCR_SET(f) (0x58000000 | (f))
+#define SCR_CLR(f) (0x60000000 | (f))
+
+#define SCR_CARRY 0x00000400
+#define SCR_TRG 0x00000200
+#define SCR_ACK 0x00000040
+#define SCR_ATN 0x00000008
+
+
+
+
+/*-----------------------------------------------------------
+**
+** Memory to memory move
+**
+**-----------------------------------------------------------
+**
+** COPY (bytecount)
+** << source_address >>
+** << destination_address >>
+**
+**-----------------------------------------------------------
+*/
+
+#define SCR_COPY(n) (0xc0000000 | (n))
+
+/*-----------------------------------------------------------
+**
+** Register move and binary operations
+**
+**-----------------------------------------------------------
+**
+** SFBR_REG (reg, op, data) reg = SFBR op data
+** << 0 >>
+**
+** REG_SFBR (reg, op, data) SFBR = reg op data
+** << 0 >>
+**
+** REG_REG (reg, op, data) reg = reg op data
+** << 0 >>
+**
+**-----------------------------------------------------------
+*/
+
+#define SCR_REG_OFS(ofs) ((ofs) << 16ul)
+
+#define SCR_SFBR_REG(reg,op,data) \
+ (0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | ((data)<<8ul))
+
+#define SCR_REG_SFBR(reg,op,data) \
+ (0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | ((data)<<8ul))
+
+#define SCR_REG_REG(reg,op,data) \
+ (0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | ((data)<<8ul))
+
+
+#define SCR_LOAD 0x00000000
+#define SCR_SHL 0x01000000
+#define SCR_OR 0x02000000
+#define SCR_XOR 0x03000000
+#define SCR_AND 0x04000000
+#define SCR_SHR 0x05000000
+#define SCR_ADD 0x06000000
+#define SCR_ADDC 0x07000000
+
+/*-----------------------------------------------------------
+**
+** FROM_REG (reg) reg = SFBR
+** << 0 >>
+**
+** TO_REG (reg) SFBR = reg
+** << 0 >>
+**
+** LOAD_REG (reg, data) reg = <data>
+** << 0 >>
+**
+** LOAD_SFBR(data) SFBR = <data>
+** << 0 >>
+**
+**-----------------------------------------------------------
+*/
+
+#define SCR_FROM_REG(reg) \
+ SCR_REG_SFBR(reg,SCR_OR,0)
+
+#define SCR_TO_REG(reg) \
+ SCR_SFBR_REG(reg,SCR_OR,0)
+
+#define SCR_LOAD_REG(reg,data) \
+ SCR_REG_REG(reg,SCR_LOAD,data)
+
+#define SCR_LOAD_SFBR(data) \
+ (SCR_REG_SFBR (gpreg, SCR_LOAD, data))
+
+/*-----------------------------------------------------------
+**
+** Waiting for Disconnect or Reselect
+**
+**-----------------------------------------------------------
+**
+** JUMP [ | IFTRUE/IFFALSE ( ... ) ]
+** <<address>>
+**
+** JUMPR [ | IFTRUE/IFFALSE ( ... ) ]
+** <<distance>>
+**
+** CALL [ | IFTRUE/IFFALSE ( ... ) ]
+** <<address>>
+**
+** CALLR [ | IFTRUE/IFFALSE ( ... ) ]
+** <<distance>>
+**
+** RETURN [ | IFTRUE/IFFALSE ( ... ) ]
+** <<dummy>>
+**
+** INT [ | IFTRUE/IFFALSE ( ... ) ]
+** <<ident>>
+**
+** INT_FLY [ | IFTRUE/IFFALSE ( ... ) ]
+** <<ident>>
+**
+** Conditions:
+** WHEN (phase)
+** IF (phase)
+** CARRY
+** DATA (data, mask)
+**
+**-----------------------------------------------------------
+*/
+
+#define SCR_JUMP 0x80080000
+#define SCR_JUMPR 0x80880000
+#define SCR_CALL 0x88080000
+#define SCR_CALLR 0x88880000
+#define SCR_RETURN 0x90080000
+#define SCR_INT 0x98080000
+#define SCR_INT_FLY 0x98180000
+
+#define IFFALSE(arg) (0x00080000 | (arg))
+#define IFTRUE(arg) (0x00000000 | (arg))
+
+#define WHEN(phase) (0x00030000 | (phase))
+#define IF(phase) (0x00020000 | (phase))
+
+#define DATA(D) (0x00040000 | ((D) & 0xff))
+#define MASK(D,M) (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff))
+
+#define CARRYSET (0x00200000)
+
+/*-----------------------------------------------------------
+**
+** SCSI constants.
+**
+**-----------------------------------------------------------
+*/
+
+/*
+** Messages
+*/
+
+#define M_COMPLETE (0x00)
+#define M_EXTENDED (0x01)
+#define M_SAVE_DP (0x02)
+#define M_RESTORE_DP (0x03)
+#define M_DISCONNECT (0x04)
+#define M_ID_ERROR (0x05)
+#define M_ABORT (0x06)
+#define M_REJECT (0x07)
+#define M_NOOP (0x08)
+#define M_PARITY (0x09)
+#define M_LCOMPLETE (0x0a)
+#define M_FCOMPLETE (0x0b)
+#define M_RESET (0x0c)
+#define M_ABORT_TAG (0x0d)
+#define M_CLEAR_QUEUE (0x0e)
+#define M_INIT_REC (0x0f)
+#define M_REL_REC (0x10)
+#define M_TERMINATE (0x11)
+#define M_SIMPLE_TAG (0x20)
+#define M_HEAD_TAG (0x21)
+#define M_ORDERED_TAG (0x22)
+#define M_IGN_RESIDUE (0x23)
+#define M_IDENTIFY (0x80)
+
+#define M_X_MODIFY_DP (0x00)
+#define M_X_SYNC_REQ (0x01)
+#define M_X_WIDE_REQ (0x03)
+
+/*
+** Status
+*/
+
+#define S_GOOD (0x00)
+#define S_CHECK_COND (0x02)
+#define S_COND_MET (0x04)
+#define S_BUSY (0x08)
+#define S_INT (0x10)
+#define S_INT_COND_MET (0x14)
+#define S_CONFLICT (0x18)
+#define S_TERMINATED (0x20)
+#define S_QUEUE_FULL (0x28)
+#define S_ILLEGAL (0xff)
+#define S_SENSE (0x80)
+
+/*
+ * End of ncrreg from FreeBSD
+ */
+
+#endif /* !defined HOSTS_C */
+
+#endif /* defined NCR53C8XX_H */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov