/* $NetBSD: smc93cx6var.h,v 1.4 1997/04/10 02:48:42 cgd Exp $ */ /* * Interface to the 93C46 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 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 immediately at the beginning of the file, without modification, * this list of conditions, and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Absolutely no warranty of function or purpose is made by the author * Justin T. Gibbs. * 4. Modifications may be freely made to this file if the above conditions * are met. * * from Id: 93cx6.h,v 1.3 1996/05/30 07:19:55 gibbs Exp */ #include #if !defined(__NetBSD__) #include #endif struct seeprom_descriptor { #if defined(__FreeBSD__) u_long sd_iobase; #elif defined(__NetBSD__) bus_space_tag_t sd_st; bus_space_handle_t sd_sh; bus_size_t sd_offset; #endif u_int16_t sd_MS; u_int16_t sd_RDY; u_int16_t sd_CS; u_int16_t sd_CK; u_int16_t sd_DO; u_int16_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. */ #if defined(__FreeBSD__) #define SEEPROM_INB(sd) inb(sd->sd_iobase) #define SEEPROM_OUTB(sd, value) outb(sd->sd_iobase, value) #elif defined(__NetBSD__) #define SEEPROM_INB(sd) \ bus_space_read_1(sd->sd_st, sd->sd_sh, sd->sd_offset) #define SEEPROM_OUTB(sd, value) \ bus_space_write_1(sd->sd_st, sd->sd_sh, sd->sd_offset, value) #endif #if defined(__FreeBSD__) int read_seeprom __P((struct seeprom_descriptor *sd, u_int16_t *buf, u_int start_addr, int count)); #elif defined(__NetBSD__) int read_seeprom __P((struct seeprom_descriptor *sd, u_int16_t *buf, bus_size_t start_addr, bus_size_t count)); #endif