summaryrefslogtreecommitdiff
path: root/include/linux/mfd/da9052/da9052.h
blob: ce9230af09c20c0498e1111fdf148b8f6406b30e (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
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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
/*
 * da9052 declarations for DA9052 PMICs.
 *
 * Copyright(c) 2011 Dialog Semiconductor Ltd.
 *
 * Author: David Dajun Chen <dchen@diasemi.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.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef __MFD_DA9052_DA9052_H
#define __MFD_DA9052_DA9052_H

#include <linux/interrupt.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/list.h>
#include <linux/mfd/core.h>

#include <linux/mfd/da9052/reg.h>

/* Common - HWMON Channel Definations */
#define DA9052_ADC_VDDOUT	0
#define DA9052_ADC_ICH		1
#define DA9052_ADC_TBAT	2
#define DA9052_ADC_VBAT	3
#define DA9052_ADC_IN4		4
#define DA9052_ADC_IN5		5
#define DA9052_ADC_IN6		6
#define DA9052_ADC_TSI		7
#define DA9052_ADC_TJUNC	8
#define DA9052_ADC_VBBAT	9

#define DA9052_IRQ_DCIN	0
#define DA9052_IRQ_VBUS	1
#define DA9052_IRQ_DCINREM	2
#define DA9052_IRQ_VBUSREM	3
#define DA9052_IRQ_VDDLOW	4
#define DA9052_IRQ_ALARM	5
#define DA9052_IRQ_SEQRDY	6
#define DA9052_IRQ_COMP1V2	7
#define DA9052_IRQ_NONKEY	8
#define DA9052_IRQ_IDFLOAT	9
#define DA9052_IRQ_IDGND	10
#define DA9052_IRQ_CHGEND	11
#define DA9052_IRQ_TBAT	12
#define DA9052_IRQ_ADC_EOM	13
#define DA9052_IRQ_PENDOWN	14
#define DA9052_IRQ_TSIREADY	15
#define DA9052_IRQ_GPI0	16
#define DA9052_IRQ_GPI1	17
#define DA9052_IRQ_GPI2	18
#define DA9052_IRQ_GPI3	19
#define DA9052_IRQ_GPI4	20
#define DA9052_IRQ_GPI5	21
#define DA9052_IRQ_GPI6	22
#define DA9052_IRQ_GPI7	23
#define DA9052_IRQ_GPI8	24
#define DA9052_IRQ_GPI9	25
#define DA9052_IRQ_GPI10	26
#define DA9052_IRQ_GPI11	27
#define DA9052_IRQ_GPI12	28
#define DA9052_IRQ_GPI13	29
#define DA9052_IRQ_GPI14	30
#define DA9052_IRQ_GPI15	31

enum da9052_chip_id {
	DA9052,
	DA9053_AA,
	DA9053_BA,
	DA9053_BB,
	DA9053_BC,
};

struct da9052_pdata;

struct da9052 {
	struct device *dev;
	struct regmap *regmap;

	struct mutex auxadc_lock;
	struct completion done;

	int irq_base;
	struct regmap_irq_chip_data *irq_data;
	u8 chip_id;

	int chip_irq;

	/* SOC I/O transfer related fixes for DA9052/53 */
	int (*fix_io) (struct da9052 *da9052, unsigned char reg);
};

/* ADC API */
int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
int da9052_adc_read_temp(struct da9052 *da9052);

/* Device I/O API */
static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
{
	int val, ret;

	ret = regmap_read(da9052->regmap, reg, &val);
	if (ret < 0)
		return ret;

	if (da9052->fix_io) {
		ret = da9052->fix_io(da9052, reg);
		if (ret < 0)
			return ret;
	}

	return val;
}

static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
				    unsigned char val)
{
	int ret;

	ret = regmap_write(da9052->regmap, reg, val);
	if (ret < 0)
		return ret;

	if (da9052->fix_io) {
		ret = da9052->fix_io(da9052, reg);
		if (ret < 0)
			return ret;
	}

	return ret;
}

static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
				     unsigned reg_cnt, unsigned char *val)
{
	int ret;
	unsigned int tmp;
	int i;

	for (i = 0; i < reg_cnt; i++) {
		ret = regmap_read(da9052->regmap, reg + i, &tmp);
		val[i] = (unsigned char)tmp;
		if (ret < 0)
			return ret;
	}

	if (da9052->fix_io) {
		ret = da9052->fix_io(da9052, reg);
		if (ret < 0)
			return ret;
	}

	return ret;
}

static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
				      unsigned reg_cnt, unsigned char *val)
{
	int ret = 0;
	int i;

	for (i = 0; i < reg_cnt; i++) {
		ret = regmap_write(da9052->regmap, reg + i, val[i]);
		if (ret < 0)
			return ret;
	}

	if (da9052->fix_io) {
		ret = da9052->fix_io(da9052, reg);
		if (ret < 0)
			return ret;
	}

	return ret;
}

static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
				     unsigned char bit_mask,
				     unsigned char reg_val)
{
	int ret;

	ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
	if (ret < 0)
		return ret;

	if (da9052->fix_io) {
		ret = da9052->fix_io(da9052, reg);
		if (ret < 0)
			return ret;
	}

	return ret;
}

int da9052_device_init(struct da9052 *da9052, u8 chip_id);
void da9052_device_exit(struct da9052 *da9052);

extern const struct regmap_config da9052_regmap_config;

int da9052_irq_init(struct da9052 *da9052);
int da9052_irq_exit(struct da9052 *da9052);
int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
			   irq_handler_t handler, void *data);
void da9052_free_irq(struct da9052 *da9052, int irq, void *data);

int da9052_enable_irq(struct da9052 *da9052, int irq);
int da9052_disable_irq(struct da9052 *da9052, int irq);
int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);

#endif /* __MFD_DA9052_DA9052_H */