1/*
2 * da9052 declarations for DA9052 PMICs.
3 *
4 * Copyright(c) 2011 Dialog Semiconductor Ltd.
5 *
6 * Author: David Dajun Chen <dchen@diasemi.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 */
23
24#ifndef __MFD_DA9052_DA9052_H
25#define __MFD_DA9052_DA9052_H
26
27#include <linux/interrupt.h>
28#include <linux/regmap.h>
29#include <linux/slab.h>
30#include <linux/completion.h>
31#include <linux/list.h>
32#include <linux/mfd/core.h>
33
34#include <linux/mfd/da9052/reg.h>
35
36/* Common - HWMON Channel Definations */
37#define DA9052_ADC_VDDOUT	0
38#define DA9052_ADC_ICH		1
39#define DA9052_ADC_TBAT	2
40#define DA9052_ADC_VBAT	3
41#define DA9052_ADC_IN4		4
42#define DA9052_ADC_IN5		5
43#define DA9052_ADC_IN6		6
44#define DA9052_ADC_TSI		7
45#define DA9052_ADC_TJUNC	8
46#define DA9052_ADC_VBBAT	9
47
48#define DA9052_IRQ_DCIN	0
49#define DA9052_IRQ_VBUS	1
50#define DA9052_IRQ_DCINREM	2
51#define DA9052_IRQ_VBUSREM	3
52#define DA9052_IRQ_VDDLOW	4
53#define DA9052_IRQ_ALARM	5
54#define DA9052_IRQ_SEQRDY	6
55#define DA9052_IRQ_COMP1V2	7
56#define DA9052_IRQ_NONKEY	8
57#define DA9052_IRQ_IDFLOAT	9
58#define DA9052_IRQ_IDGND	10
59#define DA9052_IRQ_CHGEND	11
60#define DA9052_IRQ_TBAT	12
61#define DA9052_IRQ_ADC_EOM	13
62#define DA9052_IRQ_PENDOWN	14
63#define DA9052_IRQ_TSIREADY	15
64#define DA9052_IRQ_GPI0	16
65#define DA9052_IRQ_GPI1	17
66#define DA9052_IRQ_GPI2	18
67#define DA9052_IRQ_GPI3	19
68#define DA9052_IRQ_GPI4	20
69#define DA9052_IRQ_GPI5	21
70#define DA9052_IRQ_GPI6	22
71#define DA9052_IRQ_GPI7	23
72#define DA9052_IRQ_GPI8	24
73#define DA9052_IRQ_GPI9	25
74#define DA9052_IRQ_GPI10	26
75#define DA9052_IRQ_GPI11	27
76#define DA9052_IRQ_GPI12	28
77#define DA9052_IRQ_GPI13	29
78#define DA9052_IRQ_GPI14	30
79#define DA9052_IRQ_GPI15	31
80
81enum da9052_chip_id {
82	DA9052,
83	DA9053_AA,
84	DA9053_BA,
85	DA9053_BB,
86	DA9053_BC,
87};
88
89struct da9052_pdata;
90
91struct da9052 {
92	struct device *dev;
93	struct regmap *regmap;
94
95	struct mutex auxadc_lock;
96	struct completion done;
97
98	int irq_base;
99	struct regmap_irq_chip_data *irq_data;
100	u8 chip_id;
101
102	int chip_irq;
103
104	/* SOC I/O transfer related fixes for DA9052/53 */
105	int (*fix_io) (struct da9052 *da9052, unsigned char reg);
106};
107
108/* ADC API */
109int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
110int da9052_adc_read_temp(struct da9052 *da9052);
111
112/* Device I/O API */
113static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
114{
115	int val, ret;
116
117	ret = regmap_read(da9052->regmap, reg, &val);
118	if (ret < 0)
119		return ret;
120
121	if (da9052->fix_io) {
122		ret = da9052->fix_io(da9052, reg);
123		if (ret < 0)
124			return ret;
125	}
126
127	return val;
128}
129
130static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
131				    unsigned char val)
132{
133	int ret;
134
135	ret = regmap_write(da9052->regmap, reg, val);
136	if (ret < 0)
137		return ret;
138
139	if (da9052->fix_io) {
140		ret = da9052->fix_io(da9052, reg);
141		if (ret < 0)
142			return ret;
143	}
144
145	return ret;
146}
147
148static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
149				     unsigned reg_cnt, unsigned char *val)
150{
151	int ret;
152	unsigned int tmp;
153	int i;
154
155	for (i = 0; i < reg_cnt; i++) {
156		ret = regmap_read(da9052->regmap, reg + i, &tmp);
157		val[i] = (unsigned char)tmp;
158		if (ret < 0)
159			return ret;
160	}
161
162	if (da9052->fix_io) {
163		ret = da9052->fix_io(da9052, reg);
164		if (ret < 0)
165			return ret;
166	}
167
168	return ret;
169}
170
171static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
172				      unsigned reg_cnt, unsigned char *val)
173{
174	int ret;
175	int i;
176
177	for (i = 0; i < reg_cnt; i++) {
178		ret = regmap_write(da9052->regmap, reg + i, val[i]);
179		if (ret < 0)
180			return ret;
181	}
182
183	if (da9052->fix_io) {
184		ret = da9052->fix_io(da9052, reg);
185		if (ret < 0)
186			return ret;
187	}
188
189	return ret;
190}
191
192static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
193				     unsigned char bit_mask,
194				     unsigned char reg_val)
195{
196	int ret;
197
198	ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
199	if (ret < 0)
200		return ret;
201
202	if (da9052->fix_io) {
203		ret = da9052->fix_io(da9052, reg);
204		if (ret < 0)
205			return ret;
206	}
207
208	return ret;
209}
210
211int da9052_device_init(struct da9052 *da9052, u8 chip_id);
212void da9052_device_exit(struct da9052 *da9052);
213
214extern const struct regmap_config da9052_regmap_config;
215
216int da9052_irq_init(struct da9052 *da9052);
217int da9052_irq_exit(struct da9052 *da9052);
218int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
219			   irq_handler_t handler, void *data);
220void da9052_free_irq(struct da9052 *da9052, int irq, void *data);
221
222int da9052_enable_irq(struct da9052 *da9052, int irq);
223int da9052_disable_irq(struct da9052 *da9052, int irq);
224int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);
225
226#endif /* __MFD_DA9052_DA9052_H */
227