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 /* TSI channel has its own 4 channel mux */
49 #define DA9052_ADC_TSI_XP 70
50 #define DA9052_ADC_TSI_XN 71
51 #define DA9052_ADC_TSI_YP 72
52 #define DA9052_ADC_TSI_YN 73
53
54 #define DA9052_IRQ_DCIN 0
55 #define DA9052_IRQ_VBUS 1
56 #define DA9052_IRQ_DCINREM 2
57 #define DA9052_IRQ_VBUSREM 3
58 #define DA9052_IRQ_VDDLOW 4
59 #define DA9052_IRQ_ALARM 5
60 #define DA9052_IRQ_SEQRDY 6
61 #define DA9052_IRQ_COMP1V2 7
62 #define DA9052_IRQ_NONKEY 8
63 #define DA9052_IRQ_IDFLOAT 9
64 #define DA9052_IRQ_IDGND 10
65 #define DA9052_IRQ_CHGEND 11
66 #define DA9052_IRQ_TBAT 12
67 #define DA9052_IRQ_ADC_EOM 13
68 #define DA9052_IRQ_PENDOWN 14
69 #define DA9052_IRQ_TSIREADY 15
70 #define DA9052_IRQ_GPI0 16
71 #define DA9052_IRQ_GPI1 17
72 #define DA9052_IRQ_GPI2 18
73 #define DA9052_IRQ_GPI3 19
74 #define DA9052_IRQ_GPI4 20
75 #define DA9052_IRQ_GPI5 21
76 #define DA9052_IRQ_GPI6 22
77 #define DA9052_IRQ_GPI7 23
78 #define DA9052_IRQ_GPI8 24
79 #define DA9052_IRQ_GPI9 25
80 #define DA9052_IRQ_GPI10 26
81 #define DA9052_IRQ_GPI11 27
82 #define DA9052_IRQ_GPI12 28
83 #define DA9052_IRQ_GPI13 29
84 #define DA9052_IRQ_GPI14 30
85 #define DA9052_IRQ_GPI15 31
86
87 enum da9052_chip_id {
88 DA9052,
89 DA9053_AA,
90 DA9053_BA,
91 DA9053_BB,
92 DA9053_BC,
93 };
94
95 struct da9052_pdata;
96
97 struct da9052 {
98 struct device *dev;
99 struct regmap *regmap;
100
101 struct mutex auxadc_lock;
102 struct completion done;
103
104 int irq_base;
105 struct regmap_irq_chip_data *irq_data;
106 u8 chip_id;
107
108 int chip_irq;
109
110 /* SOC I/O transfer related fixes for DA9052/53 */
111 int (*fix_io) (struct da9052 *da9052, unsigned char reg);
112 };
113
114 /* ADC API */
115 int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
116 int da9052_adc_read_temp(struct da9052 *da9052);
117
118 /* Device I/O API */
da9052_reg_read(struct da9052 * da9052,unsigned char reg)119 static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
120 {
121 int val, ret;
122
123 ret = regmap_read(da9052->regmap, reg, &val);
124 if (ret < 0)
125 return ret;
126
127 if (da9052->fix_io) {
128 ret = da9052->fix_io(da9052, reg);
129 if (ret < 0)
130 return ret;
131 }
132
133 return val;
134 }
135
da9052_reg_write(struct da9052 * da9052,unsigned char reg,unsigned char val)136 static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
137 unsigned char val)
138 {
139 int ret;
140
141 ret = regmap_write(da9052->regmap, reg, val);
142 if (ret < 0)
143 return ret;
144
145 if (da9052->fix_io) {
146 ret = da9052->fix_io(da9052, reg);
147 if (ret < 0)
148 return ret;
149 }
150
151 return ret;
152 }
153
da9052_group_read(struct da9052 * da9052,unsigned char reg,unsigned reg_cnt,unsigned char * val)154 static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
155 unsigned reg_cnt, unsigned char *val)
156 {
157 int ret;
158 unsigned int tmp;
159 int i;
160
161 for (i = 0; i < reg_cnt; i++) {
162 ret = regmap_read(da9052->regmap, reg + i, &tmp);
163 val[i] = (unsigned char)tmp;
164 if (ret < 0)
165 return ret;
166 }
167
168 if (da9052->fix_io) {
169 ret = da9052->fix_io(da9052, reg);
170 if (ret < 0)
171 return ret;
172 }
173
174 return ret;
175 }
176
da9052_group_write(struct da9052 * da9052,unsigned char reg,unsigned reg_cnt,unsigned char * val)177 static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
178 unsigned reg_cnt, unsigned char *val)
179 {
180 int ret = 0;
181 int i;
182
183 for (i = 0; i < reg_cnt; i++) {
184 ret = regmap_write(da9052->regmap, reg + i, val[i]);
185 if (ret < 0)
186 return ret;
187 }
188
189 if (da9052->fix_io) {
190 ret = da9052->fix_io(da9052, reg);
191 if (ret < 0)
192 return ret;
193 }
194
195 return ret;
196 }
197
da9052_reg_update(struct da9052 * da9052,unsigned char reg,unsigned char bit_mask,unsigned char reg_val)198 static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
199 unsigned char bit_mask,
200 unsigned char reg_val)
201 {
202 int ret;
203
204 ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
205 if (ret < 0)
206 return ret;
207
208 if (da9052->fix_io) {
209 ret = da9052->fix_io(da9052, reg);
210 if (ret < 0)
211 return ret;
212 }
213
214 return ret;
215 }
216
217 int da9052_device_init(struct da9052 *da9052, u8 chip_id);
218 void da9052_device_exit(struct da9052 *da9052);
219
220 extern const struct regmap_config da9052_regmap_config;
221
222 int da9052_irq_init(struct da9052 *da9052);
223 int da9052_irq_exit(struct da9052 *da9052);
224 int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
225 irq_handler_t handler, void *data);
226 void da9052_free_irq(struct da9052 *da9052, int irq, void *data);
227
228 int da9052_enable_irq(struct da9052 *da9052, int irq);
229 int da9052_disable_irq(struct da9052 *da9052, int irq);
230 int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);
231
232 #endif /* __MFD_DA9052_DA9052_H */
233