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/******************************************************************************
** 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@free.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
#include <scsi/scsi_host.h>
#include "sym53c8xx_defs.h"
/*
Build a scatter/gather entry.
see sym53c8xx_2/sym_hipd.h for more detailed sym_build_sge()
implementation ;)
*/
#define ncr_build_sge(np, data, badd, len) \
do { \
(data)->addr = cpu_to_scr(badd); \
(data)->size = cpu_to_scr(len); \
} while (0)
/*==========================================================
**
** Structures used by the detection routine to transmit
** device configuration to the attach function.
**
**==========================================================
*/
struct ncr_slot {
u_long base;
u_long base_2;
u_long base_c;
u_long base_2_c;
void __iomem *base_v;
void __iomem *base_2_v;
int irq;
/* port and reg fields to use INB, OUTB macros */
volatile struct ncr_reg __iomem *reg;
};
/*==========================================================
**
** Structure used by detection routine to save data on
** each detected board for attach.
**
**==========================================================
*/
struct ncr_device {
struct device *dev;
struct ncr_slot slot;
struct ncr_chip chip;
u_char host_id;
u8 differential;
};
extern struct Scsi_Host *ncr_attach(struct scsi_host_template *tpnt, int unit, struct ncr_device *device);
extern int ncr53c8xx_release(struct Scsi_Host *host);
irqreturn_t ncr53c8xx_intr(int irq, void *dev_id, struct pt_regs * regs);
extern int ncr53c8xx_init(void);
extern void ncr53c8xx_exit(void);
#endif /* NCR53C8XX_H */
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