1 /* $NetBSD: sdtemp_reg.h,v 1.2 2009/06/13 19:02:33 pgoyette Exp $ */ 2 3 /* 4 * Copyright (c) 2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Goyette. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _DEV_I2C_SDTEMPREG_H 33 #define _DEV_I2C_SDTEMPREG_H 34 35 /* 36 * Following definitions derived from JEDEC Standard 21-C section 4.7 37 * available at http://www.jedec.org/download/search/4_07R15.pdf 38 */ 39 #define SDTEMP_ADDRMASK 0x78 40 #define SDTEMP_ADDR 0x18 /* I2C address 001 1xxx */ 41 42 #define SDTEMP_REG_CAPABILITY 0x00 43 #define SDTEMP_REG_CONFIG 0x01 44 #define SDTEMP_REG_UPPER_LIM 0x02 45 #define SDTEMP_REG_LOWER_LIM 0x03 46 #define SDTEMP_REG_CRIT_LIM 0x04 47 #define SDTEMP_REG_AMBIENT_TEMP 0x05 48 #define SDTEMP_REG_MFG_ID 0x06 49 #define SDTEMP_REG_DEV_REV 0x07 50 #define SDTEMP_REG_RESOLUTION 0x08 51 52 #define SDTEMP_CAP_HAS_ALARM 0x0001 53 #define SDTEMP_CAP_ACCURACY_1C 0x0002 54 #define SDTEMP_CAP_WIDER_RANGE 0x0004 55 #define SDTEMP_CAP_RESOLUTION 0x0018 56 #define SDTEMP_CAP_RES_SHIFT 3 57 58 #define SDTEMP_CONFIG_EVENT_MODE 0x0001 59 #define SDTEMP_CONFIG_EVENT_POL_AH 0x0002 60 #define SDTEMP_CONFIG_EVENT_CRIT_ONLY 0x0004 61 #define SDTEMP_CONFIG_EVENT_ENABLED 0x0008 62 #define SDTEMP_CONFIG_EVENT_STATUS 0x0010 63 #define SDTEMP_CONFIG_INT_CLEAR 0x0020 64 #define SDTEMP_CONFIG_WINDOW_LOCKED 0x0040 65 #define SDTEMP_CONFIG_CRITICAL_LOCKED 0x0080 66 #define SDTEMP_CONFIG_SHUTDOWN_MODE 0x0100 67 #define SDTEMP_CONFIG_HYSTERESIS 0x0600 68 69 #define SDTEMP_HYSTERESIS_NONE 0x0000 70 #define SDTEMP_HYSTERESIS_15 0x0200 71 #define SDTEMP_HYSTERESIS_30 0x0400 72 #define SDTEMP_HYSTERESIS_60 0x0600 73 74 /* 75 * Temperature is a 13-bit value in the range of -256 <= x < +256 degrees. 76 * Maximum resolution is 0.0625C (1/16th degree, 4 bits), but some devices 77 * may have only 0.2500C or 0.1250C (1 or 2 bits), and some devices may not 78 * be able to represent negative values (not that we'd expect them, anyway). 79 */ 80 #define SDTEMP_TEMP_MASK 0x0FFF 81 #define SDTEMP_TEMP_NEGATIVE 0x1000 82 #define SDTEMP_TEMP_SIGN_EXT 0xF000 83 84 /* 85 * Status bits set in SDTEMP_REG_AMBIENT_TEMP only 86 */ 87 #define SDTEMP_ABOVE_CRIT 0x8000 88 #define SDTEMP_ABOVE_UPPER 0x4000 89 #define SDTEMP_BELOW_LOWER 0x2000 90 91 /* 92 * Devices known to conform to JEDEC JC42.4 93 */ 94 #define MAXIM_MANUFACTURER_ID 0x004D 95 #define MAX_6604_DEVICE_ID 0x3E 96 97 #define MCP_MANUFACTURER_ID 0x0054 98 #define MCP_9805_DEVICE_ID 0x00 99 #define MCP_98242_DEVICE_ID 0x20 100 101 /* According to datasheets, SE97 and SE98 have same ID */ 102 103 #define NXP_MANUFACTURER_ID 0x1131 104 #define NXP_SE97_DEVICE_ID 0xA1 105 106 #define ADT_MANUFACTURER_ID 0x11D4 107 #define ADT_7408_DEVICE_ID 0x80 108 109 #define STTS_MANUFACTURER_ID 0x104A 110 #define STTS_424E02_DEVICE_ID 0x00 111 112 /* According to datasheets, both the CAT6095 and CAT34TS02 have the same ID */ 113 114 #define CAT_MANUFACTURER_ID 0x1B09 115 #define CAT_34TS02_DEVICE_ID 0x08 116 117 #endif /* _DEV_I2C_SDTEMPREG_H */ 118