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
81 enum da9052_chip_id {
82 DA9052,
83 DA9053_AA,
84 DA9053_BA,
85 DA9053_BB,
86 DA9053_BC,
87 };
88
89 struct da9052_pdata;
90
91 struct 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 */
109 int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
110 int da9052_adc_read_temp(struct da9052 *da9052);
111
112 /* Device I/O API */
da9052_reg_read(struct da9052 * da9052,unsigned char reg)113 static 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
da9052_reg_write(struct da9052 * da9052,unsigned char reg,unsigned char val)130 static 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
da9052_group_read(struct da9052 * da9052,unsigned char reg,unsigned reg_cnt,unsigned char * val)148 static 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
da9052_group_write(struct da9052 * da9052,unsigned char reg,unsigned reg_cnt,unsigned char * val)171 static 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
da9052_reg_update(struct da9052 * da9052,unsigned char reg,unsigned char bit_mask,unsigned char reg_val)192 static 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
211 int da9052_device_init(struct da9052 *da9052, u8 chip_id);
212 void da9052_device_exit(struct da9052 *da9052);
213
214 extern const struct regmap_config da9052_regmap_config;
215
216 int da9052_irq_init(struct da9052 *da9052);
217 int da9052_irq_exit(struct da9052 *da9052);
218 int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
219 irq_handler_t handler, void *data);
220 void da9052_free_irq(struct da9052 *da9052, int irq, void *data);
221
222 int da9052_enable_irq(struct da9052 *da9052, int irq);
223 int da9052_disable_irq(struct da9052 *da9052, int irq);
224 int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);
225
226 #endif /* __MFD_DA9052_DA9052_H */
227