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Diffstat (limited to 'drivers/scsi/ncr53c8xx.h')
| -rw-r--r-- | drivers/scsi/ncr53c8xx.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/scsi/ncr53c8xx.h b/drivers/scsi/ncr53c8xx.h new file mode 100644 index 000000000000..05c7b83cef09 --- /dev/null +++ b/drivers/scsi/ncr53c8xx.h @@ -0,0 +1,101 @@ +/****************************************************************************** +** 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 */ |