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