blob: 3ae11c5dbdbcbeead08e125bd4bfdd8795491272 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/*
* SB-TSI: SB Temperature Sensor Interface.
* This is an I2C slave temp sensor on the AMD Stony Ridge FT4 SOC.
*/
#ifndef __CROS_EC_SB_TSI_H
#define __CROS_EC_SB_TSI_H
#define SB_TSI_I2C_ADDR 0x98 /* 7-bit address is 0x4C */
/* G781 register */
#define SB_TSI_TEMP_H 0x01
#define SB_TSI_STATUS 0x02
#define SB_TSI_CONFIG_1 0x03
#define SB_TSI_UPDATE_RATE 0x04
#define SB_TSI_HIGH_TEMP_THRESHOLD_H 0x07
#define SB_TSI_LOW_TEMP_THRESHOLD_H 0x08
#define SB_TSI_CONFIG_2 0x09
#define SB_TSI_TEMP_L 0x10
#define SB_TSI_TEMP_OFFSET_H 0x11
#define SB_TSI_TEMP_OFFSET_L 0x12
#define SB_TSI_HIGH_TEMP_THRESHOLD_L 0x13
#define SB_TSI_LOW_TEMP_THRESHOLD_L 0x14
#define SB_TSI_TIMEOUT_CONFIG 0x22
#define SB_TSI_PSTATE_LIMIT_CONFIG 0x2F
#define SB_TSI_ALERT_THRESHOLD 0x32
#define SB_TSI_ALERT_CONFIG 0xBF
#define SB_TSI_MANUFACTURE_ID 0xFE
#define SB_TSI_REVISION 0xFF
/**
* Get the value of a sensor in K.
*
* @param idx Index to read. Only 0 is valid for sb_tsi.
* @param temp_ptr Destination for temperature in K.
*
* @return EC_SUCCESS if successful, non-zero if error.
*/
int sb_tsi_get_val(int idx, int *temp_ptr);
#endif /* __CROS_EC_SB_TSI_H */
|