URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [scsi/] [aic7xxx/] [aic7xxx_93cx6.h] - Rev 1765
Compare with Previous | Blame | View Log
/* * Interface to the 93C46/56 serial EEPROM that is used to store BIOS * settings for the aic7xxx based adaptec SCSI controllers. It can * also be used for 93C26 and 93C06 serial EEPROMS. * * Copyright (c) 1994, 1995, 2000 Justin T. Gibbs. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. * * $Id: aic7xxx_93cx6.h,v 1.1.1.1 2004-04-15 02:16:16 phoenix Exp $ * * $FreeBSD$ */ #ifndef _AIC7XXX_93CX6_H_ #define _AIC7XXX_93CX6_H_ typedef enum { C46 = 6, C56_66 = 8 } seeprom_chip_t; struct seeprom_descriptor { struct ahc_softc *sd_ahc; u_int sd_control_offset; u_int sd_status_offset; u_int sd_dataout_offset; seeprom_chip_t sd_chip; uint16_t sd_MS; uint16_t sd_RDY; uint16_t sd_CS; uint16_t sd_CK; uint16_t sd_DO; uint16_t sd_DI; }; /* * This function will read count 16-bit words from the serial EEPROM and * return their value in buf. The port address of the aic7xxx serial EEPROM * control register is passed in as offset. The following parameters are * also passed in: * * CS - Chip select * CK - Clock * DO - Data out * DI - Data in * RDY - SEEPROM ready * MS - Memory port mode select * * A failed read attempt returns 0, and a successful read returns 1. */ #define SEEPROM_INB(sd) \ ahc_inb(sd->sd_ahc, sd->sd_control_offset) #define SEEPROM_OUTB(sd, value) \ do { \ ahc_outb(sd->sd_ahc, sd->sd_control_offset, value); \ ahc_flush_device_writes(sd->sd_ahc); \ } while(0) #define SEEPROM_STATUS_INB(sd) \ ahc_inb(sd->sd_ahc, sd->sd_status_offset) #define SEEPROM_DATA_INB(sd) \ ahc_inb(sd->sd_ahc, sd->sd_dataout_offset) int ahc_read_seeprom(struct seeprom_descriptor *sd, uint16_t *buf, u_int start_addr, u_int count); int ahc_write_seeprom(struct seeprom_descriptor *sd, uint16_t *buf, u_int start_addr, u_int count); int ahc_verify_cksum(struct seeprom_config *sc); #endif /* _AIC7XXX_93CX6_H_ */