1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1999-2002 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _I2C_CLIENT_H 28 #define _I2C_CLIENT_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Common IOCTL definitions for client drivers. 38 */ 39 40 #define I2C_BASE_IOCTL ('M' << 8) 41 42 #define I2C_GET_PORT (I2C_BASE_IOCTL | 0) 43 #define I2C_SET_PORT (I2C_BASE_IOCTL | 1) 44 #define I2C_GET_BIT (I2C_BASE_IOCTL | 2) 45 #define I2C_SET_BIT (I2C_BASE_IOCTL | 3) 46 #define I2C_GET_REG (I2C_BASE_IOCTL | 4) 47 #define I2C_SET_REG (I2C_BASE_IOCTL | 5) 48 #define I2C_GET_TEMPERATURE (I2C_BASE_IOCTL | 7) 49 #define I2C_GET_FAN_SPEED (I2C_BASE_IOCTL | 8) 50 #define I2C_SET_FAN_SPEED (I2C_BASE_IOCTL | 9) 51 #define I2C_SET_OUTPUT (I2C_BASE_IOCTL | 10) 52 #define I2C_GET_OUTPUT (I2C_BASE_IOCTL | 11) 53 #define I2C_GET_INPUT (I2C_BASE_IOCTL | 12) 54 #define I2C_SET_MODE (I2C_BASE_IOCTL | 13) 55 #define I2C_GET_MODE (I2C_BASE_IOCTL | 14) 56 57 /* 58 * A private IOCTL definition to be used by clients. The first 128 ioctls 59 * derived by OR'ing with I2C_BASE_IOCTL are common. The next 128 60 * ioctls derived by OR'ing with I2C_PVT_BASE_IOCTL are client private. 61 */ 62 63 #define I2C_PVT_BASE_IOCTL (I2C_BASE_IOCTL + 128) 64 65 /* 66 * ARGS for I2C_*_MODE 67 */ 68 #define I2C_NORMAL 0 69 #define I2C_DEBUG 1 70 71 /* 72 * ARGS for i2c_bit_t direction 73 */ 74 75 #define DIR_NO_CHANGE 0 76 #define DIR_OUTPUT 1 77 #define DIR_INPUT 2 78 79 80 #define INST_TO_MINOR(x) (x << 4) 81 #define MINOR_TO_INST(x) ((x & 0xFFFFFFF0) >> 4) 82 #define PORT_TO_MINOR(x) (x) 83 #define MINOR_TO_PORT(x) (0x0F & x) 84 85 #define I2C_PORT(x) (0x00 + x) 86 87 typedef struct i2c_port { 88 uint8_t value; 89 uint8_t direction; 90 uint8_t dir_mask; 91 } i2c_port_t; 92 93 typedef struct i2c_bit { 94 uchar_t bit_num; 95 boolean_t bit_value; 96 uint8_t direction; 97 } i2c_bit_t; 98 99 typedef struct i2c_reg { 100 uint8_t reg_num; 101 int32_t reg_value; 102 } i2c_reg_t; 103 104 #if defined(_KERNEL) 105 106 #include <sys/i2c/misc/i2c_svc.h> 107 108 #endif /* _KERNEL */ 109 110 #ifdef __cplusplus 111 } 112 #endif 113 114 #endif /* _I2C_CLIENT_H */ 115