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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* include/linux/mfd/wm8994/core.h -- Core interface for WM8994
*
* Copyright 2009 Wolfson Microelectronics PLC.
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* 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.
*
*/
#ifndef __MFD_WM8994_CORE_H__
#define __MFD_WM8994_CORE_H__
#include <linux/mutex.h>
#include <linux/interrupt.h>
#include <linux/regmap.h>
#include <linux/mfd/wm8994/pdata.h>
enum wm8994_type {
WM8994 = 0,
WM8958 = 1,
WM1811 = 2,
};
struct regulator_dev;
struct regulator_bulk_data;
struct irq_domain;
#define WM8994_NUM_GPIO_REGS 11
#define WM8994_NUM_LDO_REGS 2
#define WM8994_NUM_IRQ_REGS 2
#define WM8994_IRQ_TEMP_SHUT 0
#define WM8994_IRQ_MIC1_DET 1
#define WM8994_IRQ_MIC1_SHRT 2
#define WM8994_IRQ_MIC2_DET 3
#define WM8994_IRQ_MIC2_SHRT 4
#define WM8994_IRQ_FLL1_LOCK 5
#define WM8994_IRQ_FLL2_LOCK 6
#define WM8994_IRQ_SRC1_LOCK 7
#define WM8994_IRQ_SRC2_LOCK 8
#define WM8994_IRQ_AIF1DRC1_SIG_DET 9
#define WM8994_IRQ_AIF1DRC2_SIG_DET 10
#define WM8994_IRQ_AIF2DRC_SIG_DET 11
#define WM8994_IRQ_FIFOS_ERR 12
#define WM8994_IRQ_WSEQ_DONE 13
#define WM8994_IRQ_DCS_DONE 14
#define WM8994_IRQ_TEMP_WARN 15
/* GPIOs in the chip are numbered from 1-11 */
#define WM8994_IRQ_GPIO(x) (x + WM8994_IRQ_TEMP_WARN)
struct wm8994 {
struct wm8994_pdata pdata;
enum wm8994_type type;
int revision;
int cust_id;
struct device *dev;
struct regmap *regmap;
bool ldo_ena_always_driven;
int gpio_base;
int irq_base;
int irq;
struct regmap_irq_chip_data *irq_data;
struct irq_domain *edge_irq;
/* Used over suspend/resume */
bool suspended;
struct regulator_dev *dbvdd;
int num_supplies;
struct regulator_bulk_data *supplies;
};
/* Device I/O API */
static inline int wm8994_reg_read(struct wm8994 *wm8994, unsigned short reg)
{
unsigned int val;
int ret;
ret = regmap_read(wm8994->regmap, reg, &val);
if (ret < 0)
return ret;
else
return val;
}
static inline int wm8994_reg_write(struct wm8994 *wm8994, unsigned short reg,
unsigned short val)
{
return regmap_write(wm8994->regmap, reg, val);
}
static inline int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg,
int count, u16 *buf)
{
return regmap_bulk_read(wm8994->regmap, reg, buf, count);
}
static inline int wm8994_bulk_write(struct wm8994 *wm8994, unsigned short reg,
int count, const u16 *buf)
{
return regmap_raw_write(wm8994->regmap, reg, buf, count * sizeof(u16));
}
static inline int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg,
unsigned short mask, unsigned short val)
{
return regmap_update_bits(wm8994->regmap, reg, mask, val);
}
/* Helper to save on boilerplate */
static inline int wm8994_request_irq(struct wm8994 *wm8994, int irq,
irq_handler_t handler, const char *name,
void *data)
{
if (!wm8994->irq_data)
return -EINVAL;
return request_threaded_irq(regmap_irq_get_virq(wm8994->irq_data, irq),
NULL, handler, IRQF_TRIGGER_RISING, name,
data);
}
static inline void wm8994_free_irq(struct wm8994 *wm8994, int irq, void *data)
{
if (!wm8994->irq_data)
return;
free_irq(regmap_irq_get_virq(wm8994->irq_data, irq), data);
}
int wm8994_irq_init(struct wm8994 *wm8994);
void wm8994_irq_exit(struct wm8994 *wm8994);
#endif
|
