sys/dev/i2c/sdtemp_reg.h

   1 /*      $NetBSD: sdtemp_reg.h,v 1.1 2009/05/09 15:04:25 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 */