1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 2000 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SSC100_IMPL_H 28*0Sstevel@tonic-gate #define _SSC100_IMPL_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <sys/i2c/clients/i2c_client.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate /* 39*0Sstevel@tonic-gate * SSC100_BIT_READ_MASK takes in a byte from the device and the bit that 40*0Sstevel@tonic-gate * the user wants to read. I shifts the byte over so that the bit that we 41*0Sstevel@tonic-gate * want is in the 1's bit and masks out the rest of the byte. 42*0Sstevel@tonic-gate */ 43*0Sstevel@tonic-gate #define SSC100_BIT_READ_MASK(byte, bit) ((byte >> bit) & 0x01) 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate /* 46*0Sstevel@tonic-gate * SSC100_BIT_WRITE_MASK takes in a byte from the device, the bit that the 47*0Sstevel@tonic-gate * user wants to read write, and the value that the user wants put into that 48*0Sstevel@tonic-gate * bit. It zero's out the bit that we are writing to in the byte and then or's 49*0Sstevel@tonic-gate * the value(which was shifted to the bit location we wanted) to fill in only 50*0Sstevel@tonic-gate * that bit in the byte 51*0Sstevel@tonic-gate */ 52*0Sstevel@tonic-gate #define SSC100_BIT_WRITE_MASK(byte, bit, value)\ 53*0Sstevel@tonic-gate ((value << bit) | (byte & (~(0x01 << bit)))) 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate #define SSC100_SIZE 8192 56*0Sstevel@tonic-gate #define SSC100_PAGESIZE 32 57*0Sstevel@tonic-gate #define SSC100_PAGEMASK (SSC100_PAGESIZE - 1) 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate struct ssc100_unit { 60*0Sstevel@tonic-gate kmutex_t ssc100_mutex; 61*0Sstevel@tonic-gate uint8_t ssc100_flags; 62*0Sstevel@tonic-gate int ssc100_oflag; 63*0Sstevel@tonic-gate int ssc100_size; 64*0Sstevel@tonic-gate i2c_client_hdl_t ssc100_hdl; 65*0Sstevel@tonic-gate char ssc100_name[24]; 66*0Sstevel@tonic-gate }; 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate #ifdef DEBUG 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate static int ssc100debug = 0; 71*0Sstevel@tonic-gate #define D1CMN_ERR(ARGS) if (ssc100debug & 0x1) cmn_err ARGS; 72*0Sstevel@tonic-gate #define D2CMN_ERR(ARGS) if (ssc100debug & 0x2) cmn_err ARGS; 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate #else 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate #define D1CMN_ERR(ARGS) 77*0Sstevel@tonic-gate #define D2CMN_ERR(ARGS) 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate #endif 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate #ifdef __cplusplus 82*0Sstevel@tonic-gate } 83*0Sstevel@tonic-gate #endif 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate #endif /* _SSC100_IMPL_H */ 86