1 /******************************************************************************
2 *
3 * Name: lm80.h
4 * Project: Gigabit Ethernet Adapters, Common Modules
5 * Version: $Revision: 1.6 $
6 * Date: $Date: 2003/05/13 17:26:52 $
7 * Purpose: Contains all defines for the LM80 Chip
8 * (National Semiconductor).
9 *
10 ******************************************************************************/
11
12 /******************************************************************************
13 *
14 * (C)Copyright 1998-2002 SysKonnect.
15 * (C)Copyright 2002-2003 Marvell.
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version.
21 *
22 * The information in this file is provided "AS IS" without warranty.
23 *
24 ******************************************************************************/
25
26 #ifndef __INC_LM80_H
27 #define __INC_LM80_H
28
29 #ifdef __cplusplus
30 extern "C" {
31 #endif /* __cplusplus */
32
33 /* defines ********************************************************************/
34
35 /*
36 * LM80 register definition
37 *
38 * All registers are 8 bit wide
39 */
40 #define LM80_CFG 0x00 /* Configuration Register */
41 #define LM80_ISRC_1 0x01 /* Interrupt Status Register 1 */
42 #define LM80_ISRC_2 0x02 /* Interrupt Status Register 2 */
43 #define LM80_IMSK_1 0x03 /* Interrupt Mask Register 1 */
44 #define LM80_IMSK_2 0x04 /* Interrupt Mask Register 2 */
45 #define LM80_FAN_CTRL 0x05 /* Fan Devisor/RST#/OS# Register */
46 #define LM80_TEMP_CTRL 0x06 /* OS# Config, Temp Res. Reg */
47 /* 0x07 - 0x1f reserved */
48 /* current values */
49 #define LM80_VT0_IN 0x20 /* current Voltage 0 value */
50 #define LM80_VT1_IN 0x21 /* current Voltage 1 value */
51 #define LM80_VT2_IN 0x22 /* current Voltage 2 value */
52 #define LM80_VT3_IN 0x23 /* current Voltage 3 value */
53 #define LM80_VT4_IN 0x24 /* current Voltage 4 value */
54 #define LM80_VT5_IN 0x25 /* current Voltage 5 value */
55 #define LM80_VT6_IN 0x26 /* current Voltage 6 value */
56 #define LM80_TEMP_IN 0x27 /* current Temperature value */
57 #define LM80_FAN1_IN 0x28 /* current Fan 1 count */
58 #define LM80_FAN2_IN 0x29 /* current Fan 2 count */
59 /* limit values */
60 #define LM80_VT0_HIGH_LIM 0x2a /* high limit val for Voltage 0 */
61 #define LM80_VT0_LOW_LIM 0x2b /* low limit val for Voltage 0 */
62 #define LM80_VT1_HIGH_LIM 0x2c /* high limit val for Voltage 1 */
63 #define LM80_VT1_LOW_LIM 0x2d /* low limit val for Voltage 1 */
64 #define LM80_VT2_HIGH_LIM 0x2e /* high limit val for Voltage 2 */
65 #define LM80_VT2_LOW_LIM 0x2f /* low limit val for Voltage 2 */
66 #define LM80_VT3_HIGH_LIM 0x30 /* high limit val for Voltage 3 */
67 #define LM80_VT3_LOW_LIM 0x31 /* low limit val for Voltage 3 */
68 #define LM80_VT4_HIGH_LIM 0x32 /* high limit val for Voltage 4 */
69 #define LM80_VT4_LOW_LIM 0x33 /* low limit val for Voltage 4 */
70 #define LM80_VT5_HIGH_LIM 0x34 /* high limit val for Voltage 5 */
71 #define LM80_VT5_LOW_LIM 0x35 /* low limit val for Voltage 5 */
72 #define LM80_VT6_HIGH_LIM 0x36 /* high limit val for Voltage 6 */
73 #define LM80_VT6_LOW_LIM 0x37 /* low limit val for Voltage 6 */
74 #define LM80_THOT_LIM_UP 0x38 /* hot temperature limit (high) */
75 #define LM80_THOT_LIM_LO 0x39 /* hot temperature limit (low) */
76 #define LM80_TOS_LIM_UP 0x3a /* OS temperature limit (high) */
77 #define LM80_TOS_LIM_LO 0x3b /* OS temperature limit (low) */
78 #define LM80_FAN1_COUNT_LIM 0x3c /* Fan 1 count limit (high) */
79 #define LM80_FAN2_COUNT_LIM 0x3d /* Fan 2 count limit (low) */
80 /* 0x3e - 0x3f reserved */
81
82 /*
83 * LM80 bit definitions
84 */
85
86 /* LM80_CFG Configuration Register */
87 #define LM80_CFG_START (1<<0) /* start monitoring operation */
88 #define LM80_CFG_INT_ENA (1<<1) /* enables the INT# Interrupt output */
89 #define LM80_CFG_INT_POL (1<<2) /* INT# pol: 0 act low, 1 act high */
90 #define LM80_CFG_INT_CLR (1<<3) /* disables INT#/RST_OUT#/OS# outputs */
91 #define LM80_CFG_RESET (1<<4) /* signals a reset */
92 #define LM80_CFG_CHASS_CLR (1<<5) /* clears Chassis Intrusion (CI) pin */
93 #define LM80_CFG_GPO (1<<6) /* drives the GPO# pin */
94 #define LM80_CFG_INIT (1<<7) /* restore power on defaults */
95
96 /* LM80_ISRC_1 Interrupt Status Register 1 */
97 /* LM80_IMSK_1 Interrupt Mask Register 1 */
98 #define LM80_IS_VT0 (1<<0) /* limit exceeded for Voltage 0 */
99 #define LM80_IS_VT1 (1<<1) /* limit exceeded for Voltage 1 */
100 #define LM80_IS_VT2 (1<<2) /* limit exceeded for Voltage 2 */
101 #define LM80_IS_VT3 (1<<3) /* limit exceeded for Voltage 3 */
102 #define LM80_IS_VT4 (1<<4) /* limit exceeded for Voltage 4 */
103 #define LM80_IS_VT5 (1<<5) /* limit exceeded for Voltage 5 */
104 #define LM80_IS_VT6 (1<<6) /* limit exceeded for Voltage 6 */
105 #define LM80_IS_INT_IN (1<<7) /* state of INT_IN# */
106
107 /* LM80_ISRC_2 Interrupt Status Register 2 */
108 /* LM80_IMSK_2 Interrupt Mask Register 2 */
109 #define LM80_IS_TEMP (1<<0) /* HOT temperature limit exceeded */
110 #define LM80_IS_BTI (1<<1) /* state of BTI# pin */
111 #define LM80_IS_FAN1 (1<<2) /* count limit exceeded for Fan 1 */
112 #define LM80_IS_FAN2 (1<<3) /* count limit exceeded for Fan 2 */
113 #define LM80_IS_CI (1<<4) /* Chassis Intrusion occured */
114 #define LM80_IS_OS (1<<5) /* OS temperature limit exceeded */
115 /* bit 6 and 7 are reserved in LM80_ISRC_2 */
116 #define LM80_IS_HT_IRQ_MD (1<<6) /* Hot temperature interrupt mode */
117 #define LM80_IS_OT_IRQ_MD (1<<7) /* OS temperature interrupt mode */
118
119 /* LM80_FAN_CTRL Fan Devisor/RST#/OS# Register */
120 #define LM80_FAN1_MD_SEL (1<<0) /* Fan 1 mode select */
121 #define LM80_FAN2_MD_SEL (1<<1) /* Fan 2 mode select */
122 #define LM80_FAN1_PRM_CTL (3<<2) /* Fan 1 speed control */
123 #define LM80_FAN2_PRM_CTL (3<<4) /* Fan 2 speed control */
124 #define LM80_FAN_OS_ENA (1<<6) /* enable OS mode on RST_OUT#/OS# pins*/
125 #define LM80_FAN_RST_ENA (1<<7) /* sets RST_OUT#/OS# pins in RST mode */
126
127 /* LM80_TEMP_CTRL OS# Config, Temp Res. Reg */
128 #define LM80_TEMP_OS_STAT (1<<0) /* mirrors the state of RST_OUT#/OS# */
129 #define LM80_TEMP_OS_POL (1<<1) /* select OS# polarity */
130 #define LM80_TEMP_OS_MODE (1<<2) /* selects Interrupt mode */
131 #define LM80_TEMP_RES (1<<3) /* selects 9 or 11 bit temp resulution*/
132 #define LM80_TEMP_LSB (0xf<<4)/* 4 LSBs of 11 bit temp data */
133 #define LM80_TEMP_LSB_9 (1<<7) /* LSB of 9 bit temperature data */
134
135 /* 0x07 - 0x1f reserved */
136 /* LM80_VT0_IN current Voltage 0 value */
137 /* LM80_VT1_IN current Voltage 1 value */
138 /* LM80_VT2_IN current Voltage 2 value */
139 /* LM80_VT3_IN current Voltage 3 value */
140 /* LM80_VT4_IN current Voltage 4 value */
141 /* LM80_VT5_IN current Voltage 5 value */
142 /* LM80_VT6_IN current Voltage 6 value */
143 /* LM80_TEMP_IN current temperature value */
144 /* LM80_FAN1_IN current Fan 1 count */
145 /* LM80_FAN2_IN current Fan 2 count */
146 /* LM80_VT0_HIGH_LIM high limit val for Voltage 0 */
147 /* LM80_VT0_LOW_LIM low limit val for Voltage 0 */
148 /* LM80_VT1_HIGH_LIM high limit val for Voltage 1 */
149 /* LM80_VT1_LOW_LIM low limit val for Voltage 1 */
150 /* LM80_VT2_HIGH_LIM high limit val for Voltage 2 */
151 /* LM80_VT2_LOW_LIM low limit val for Voltage 2 */
152 /* LM80_VT3_HIGH_LIM high limit val for Voltage 3 */
153 /* LM80_VT3_LOW_LIM low limit val for Voltage 3 */
154 /* LM80_VT4_HIGH_LIM high limit val for Voltage 4 */
155 /* LM80_VT4_LOW_LIM low limit val for Voltage 4 */
156 /* LM80_VT5_HIGH_LIM high limit val for Voltage 5 */
157 /* LM80_VT5_LOW_LIM low limit val for Voltage 5 */
158 /* LM80_VT6_HIGH_LIM high limit val for Voltage 6 */
159 /* LM80_VT6_LOW_LIM low limit val for Voltage 6 */
160 /* LM80_THOT_LIM_UP hot temperature limit (high) */
161 /* LM80_THOT_LIM_LO hot temperature limit (low) */
162 /* LM80_TOS_LIM_UP OS temperature limit (high) */
163 /* LM80_TOS_LIM_LO OS temperature limit (low) */
164 /* LM80_FAN1_COUNT_LIM Fan 1 count limit (high) */
165 /* LM80_FAN2_COUNT_LIM Fan 2 count limit (low) */
166 /* 0x3e - 0x3f reserved */
167
168 #define LM80_ADDR 0x28 /* LM80 default addr */
169
170 /* typedefs *******************************************************************/
171
172
173 /* function prototypes ********************************************************/
174
175 #ifdef __cplusplus
176 }
177 #endif /* __cplusplus */
178
179 #endif /* __INC_LM80_H */
180
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