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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_MXC_MC34708_PMIC_ADC_H__
#define __ASM_ARCH_MXC_MC34708_PMIC_ADC_H__
/*!
* @defgroup PMIC_ADC PMIC Digitizer Driver
* @ingroup PMIC_DRVRS
*/
#include <linux/pmic_status.h>
#include <linux/pmic_external.h>
/*!
* This enumeration defines input channels for PMIC ADC
*/
typedef enum {
BATTERY_VOLTAGE,
BATTERY_CURRENT,
APPLICATION_SUPPLY_VOLTAGE,
DIE_TEMP,
AUX_CHARGER_VOLTAGE,
USB_VOLTAGE,
RESERVER0,
BATTERY_THEMISTOR,
COINCELL_VOLTAGE,
GEN_PURPOSE_AD9,
GEN_PURPOSE_AD10,
GEN_PURPOSE_AD11,
GEN_PURPOSE_AD12,
GEN_PURPOSE_AD13,
GEN_PURPOSE_AD14,
GEN_PURPOSE_AD15,
} t_channel;
/* EXPORTED FUNCTIONS */
#ifdef __KERNEL__
/*!
* This function initializes all ADC registers with default values. This
* function also registers the interrupt events.
*
* @return This function returns PMIC_SUCCESS if successful.
*/
PMIC_STATUS mc34708_pmic_adc_init(void);
/*!
* This function disables the ADC, de-registers the interrupt events.
*
* @return This function returns PMIC_SUCCESS if successful.
*/
PMIC_STATUS mc34708_pmic_adc_deinit(void);
/*!
* This function triggers a conversion and returns one sampling result of one
* channel.
*
* @param channel The channel to be sampled
* @param result The pointer to the conversion result. The memory
* should be allocated by the caller of this function.
*
* @return This function returns PMIC_SUCCESS if successful.
*/
PMIC_STATUS mc34708_pmic_adc_convert(t_channel channel, unsigned short *result);
#endif /* _KERNEL */
#endif /* __ASM_ARCH_MXC_PMIC_ADC_H__ */
|
