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d2bedfe7 MB |
1 | /* |
2 | * include/linux/mfd/wm831x/core.h -- Core interface for WM831x | |
3 | * | |
4 | * Copyright 2009 Wolfson Microelectronics PLC. | |
5 | * | |
6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | */ | |
14 | ||
15 | #ifndef __MFD_WM831X_CORE_H__ | |
16 | #define __MFD_WM831X_CORE_H__ | |
17 | ||
473fe736 | 18 | #include <linux/completion.h> |
7d4d0a3e | 19 | #include <linux/interrupt.h> |
7d4d0a3e | 20 | |
d2bedfe7 MB |
21 | /* |
22 | * Register values. | |
23 | */ | |
24 | #define WM831X_RESET_ID 0x00 | |
25 | #define WM831X_REVISION 0x01 | |
26 | #define WM831X_PARENT_ID 0x4000 | |
27 | #define WM831X_SYSVDD_CONTROL 0x4001 | |
28 | #define WM831X_THERMAL_MONITORING 0x4002 | |
29 | #define WM831X_POWER_STATE 0x4003 | |
30 | #define WM831X_WATCHDOG 0x4004 | |
31 | #define WM831X_ON_PIN_CONTROL 0x4005 | |
32 | #define WM831X_RESET_CONTROL 0x4006 | |
33 | #define WM831X_CONTROL_INTERFACE 0x4007 | |
34 | #define WM831X_SECURITY_KEY 0x4008 | |
35 | #define WM831X_SOFTWARE_SCRATCH 0x4009 | |
36 | #define WM831X_OTP_CONTROL 0x400A | |
37 | #define WM831X_GPIO_LEVEL 0x400C | |
38 | #define WM831X_SYSTEM_STATUS 0x400D | |
39 | #define WM831X_ON_SOURCE 0x400E | |
40 | #define WM831X_OFF_SOURCE 0x400F | |
41 | #define WM831X_SYSTEM_INTERRUPTS 0x4010 | |
42 | #define WM831X_INTERRUPT_STATUS_1 0x4011 | |
43 | #define WM831X_INTERRUPT_STATUS_2 0x4012 | |
44 | #define WM831X_INTERRUPT_STATUS_3 0x4013 | |
45 | #define WM831X_INTERRUPT_STATUS_4 0x4014 | |
46 | #define WM831X_INTERRUPT_STATUS_5 0x4015 | |
47 | #define WM831X_IRQ_CONFIG 0x4017 | |
48 | #define WM831X_SYSTEM_INTERRUPTS_MASK 0x4018 | |
49 | #define WM831X_INTERRUPT_STATUS_1_MASK 0x4019 | |
50 | #define WM831X_INTERRUPT_STATUS_2_MASK 0x401A | |
51 | #define WM831X_INTERRUPT_STATUS_3_MASK 0x401B | |
52 | #define WM831X_INTERRUPT_STATUS_4_MASK 0x401C | |
53 | #define WM831X_INTERRUPT_STATUS_5_MASK 0x401D | |
54 | #define WM831X_RTC_WRITE_COUNTER 0x4020 | |
55 | #define WM831X_RTC_TIME_1 0x4021 | |
56 | #define WM831X_RTC_TIME_2 0x4022 | |
57 | #define WM831X_RTC_ALARM_1 0x4023 | |
58 | #define WM831X_RTC_ALARM_2 0x4024 | |
59 | #define WM831X_RTC_CONTROL 0x4025 | |
60 | #define WM831X_RTC_TRIM 0x4026 | |
61 | #define WM831X_TOUCH_CONTROL_1 0x4028 | |
62 | #define WM831X_TOUCH_CONTROL_2 0x4029 | |
63 | #define WM831X_TOUCH_DATA_X 0x402A | |
64 | #define WM831X_TOUCH_DATA_Y 0x402B | |
65 | #define WM831X_TOUCH_DATA_Z 0x402C | |
66 | #define WM831X_AUXADC_DATA 0x402D | |
67 | #define WM831X_AUXADC_CONTROL 0x402E | |
68 | #define WM831X_AUXADC_SOURCE 0x402F | |
69 | #define WM831X_COMPARATOR_CONTROL 0x4030 | |
70 | #define WM831X_COMPARATOR_1 0x4031 | |
71 | #define WM831X_COMPARATOR_2 0x4032 | |
72 | #define WM831X_COMPARATOR_3 0x4033 | |
73 | #define WM831X_COMPARATOR_4 0x4034 | |
74 | #define WM831X_GPIO1_CONTROL 0x4038 | |
75 | #define WM831X_GPIO2_CONTROL 0x4039 | |
76 | #define WM831X_GPIO3_CONTROL 0x403A | |
77 | #define WM831X_GPIO4_CONTROL 0x403B | |
78 | #define WM831X_GPIO5_CONTROL 0x403C | |
79 | #define WM831X_GPIO6_CONTROL 0x403D | |
80 | #define WM831X_GPIO7_CONTROL 0x403E | |
81 | #define WM831X_GPIO8_CONTROL 0x403F | |
82 | #define WM831X_GPIO9_CONTROL 0x4040 | |
83 | #define WM831X_GPIO10_CONTROL 0x4041 | |
84 | #define WM831X_GPIO11_CONTROL 0x4042 | |
85 | #define WM831X_GPIO12_CONTROL 0x4043 | |
86 | #define WM831X_GPIO13_CONTROL 0x4044 | |
87 | #define WM831X_GPIO14_CONTROL 0x4045 | |
88 | #define WM831X_GPIO15_CONTROL 0x4046 | |
89 | #define WM831X_GPIO16_CONTROL 0x4047 | |
90 | #define WM831X_CHARGER_CONTROL_1 0x4048 | |
91 | #define WM831X_CHARGER_CONTROL_2 0x4049 | |
92 | #define WM831X_CHARGER_STATUS 0x404A | |
93 | #define WM831X_BACKUP_CHARGER_CONTROL 0x404B | |
94 | #define WM831X_STATUS_LED_1 0x404C | |
95 | #define WM831X_STATUS_LED_2 0x404D | |
96 | #define WM831X_CURRENT_SINK_1 0x404E | |
97 | #define WM831X_CURRENT_SINK_2 0x404F | |
98 | #define WM831X_DCDC_ENABLE 0x4050 | |
99 | #define WM831X_LDO_ENABLE 0x4051 | |
100 | #define WM831X_DCDC_STATUS 0x4052 | |
101 | #define WM831X_LDO_STATUS 0x4053 | |
102 | #define WM831X_DCDC_UV_STATUS 0x4054 | |
103 | #define WM831X_LDO_UV_STATUS 0x4055 | |
104 | #define WM831X_DC1_CONTROL_1 0x4056 | |
105 | #define WM831X_DC1_CONTROL_2 0x4057 | |
106 | #define WM831X_DC1_ON_CONFIG 0x4058 | |
107 | #define WM831X_DC1_SLEEP_CONTROL 0x4059 | |
108 | #define WM831X_DC1_DVS_CONTROL 0x405A | |
109 | #define WM831X_DC2_CONTROL_1 0x405B | |
110 | #define WM831X_DC2_CONTROL_2 0x405C | |
111 | #define WM831X_DC2_ON_CONFIG 0x405D | |
112 | #define WM831X_DC2_SLEEP_CONTROL 0x405E | |
113 | #define WM831X_DC2_DVS_CONTROL 0x405F | |
114 | #define WM831X_DC3_CONTROL_1 0x4060 | |
115 | #define WM831X_DC3_CONTROL_2 0x4061 | |
116 | #define WM831X_DC3_ON_CONFIG 0x4062 | |
117 | #define WM831X_DC3_SLEEP_CONTROL 0x4063 | |
118 | #define WM831X_DC4_CONTROL 0x4064 | |
119 | #define WM831X_DC4_SLEEP_CONTROL 0x4065 | |
d4e0a89e | 120 | #define WM832X_DC4_SLEEP_CONTROL 0x4067 |
d2bedfe7 MB |
121 | #define WM831X_EPE1_CONTROL 0x4066 |
122 | #define WM831X_EPE2_CONTROL 0x4067 | |
123 | #define WM831X_LDO1_CONTROL 0x4068 | |
124 | #define WM831X_LDO1_ON_CONTROL 0x4069 | |
125 | #define WM831X_LDO1_SLEEP_CONTROL 0x406A | |
126 | #define WM831X_LDO2_CONTROL 0x406B | |
127 | #define WM831X_LDO2_ON_CONTROL 0x406C | |
128 | #define WM831X_LDO2_SLEEP_CONTROL 0x406D | |
129 | #define WM831X_LDO3_CONTROL 0x406E | |
130 | #define WM831X_LDO3_ON_CONTROL 0x406F | |
131 | #define WM831X_LDO3_SLEEP_CONTROL 0x4070 | |
132 | #define WM831X_LDO4_CONTROL 0x4071 | |
133 | #define WM831X_LDO4_ON_CONTROL 0x4072 | |
134 | #define WM831X_LDO4_SLEEP_CONTROL 0x4073 | |
135 | #define WM831X_LDO5_CONTROL 0x4074 | |
136 | #define WM831X_LDO5_ON_CONTROL 0x4075 | |
137 | #define WM831X_LDO5_SLEEP_CONTROL 0x4076 | |
138 | #define WM831X_LDO6_CONTROL 0x4077 | |
139 | #define WM831X_LDO6_ON_CONTROL 0x4078 | |
140 | #define WM831X_LDO6_SLEEP_CONTROL 0x4079 | |
141 | #define WM831X_LDO7_CONTROL 0x407A | |
142 | #define WM831X_LDO7_ON_CONTROL 0x407B | |
143 | #define WM831X_LDO7_SLEEP_CONTROL 0x407C | |
144 | #define WM831X_LDO8_CONTROL 0x407D | |
145 | #define WM831X_LDO8_ON_CONTROL 0x407E | |
146 | #define WM831X_LDO8_SLEEP_CONTROL 0x407F | |
147 | #define WM831X_LDO9_CONTROL 0x4080 | |
148 | #define WM831X_LDO9_ON_CONTROL 0x4081 | |
149 | #define WM831X_LDO9_SLEEP_CONTROL 0x4082 | |
150 | #define WM831X_LDO10_CONTROL 0x4083 | |
151 | #define WM831X_LDO10_ON_CONTROL 0x4084 | |
152 | #define WM831X_LDO10_SLEEP_CONTROL 0x4085 | |
153 | #define WM831X_LDO11_ON_CONTROL 0x4087 | |
154 | #define WM831X_LDO11_SLEEP_CONTROL 0x4088 | |
155 | #define WM831X_POWER_GOOD_SOURCE_1 0x408E | |
156 | #define WM831X_POWER_GOOD_SOURCE_2 0x408F | |
157 | #define WM831X_CLOCK_CONTROL_1 0x4090 | |
158 | #define WM831X_CLOCK_CONTROL_2 0x4091 | |
159 | #define WM831X_FLL_CONTROL_1 0x4092 | |
160 | #define WM831X_FLL_CONTROL_2 0x4093 | |
161 | #define WM831X_FLL_CONTROL_3 0x4094 | |
162 | #define WM831X_FLL_CONTROL_4 0x4095 | |
163 | #define WM831X_FLL_CONTROL_5 0x4096 | |
164 | #define WM831X_UNIQUE_ID_1 0x7800 | |
165 | #define WM831X_UNIQUE_ID_2 0x7801 | |
166 | #define WM831X_UNIQUE_ID_3 0x7802 | |
167 | #define WM831X_UNIQUE_ID_4 0x7803 | |
168 | #define WM831X_UNIQUE_ID_5 0x7804 | |
169 | #define WM831X_UNIQUE_ID_6 0x7805 | |
170 | #define WM831X_UNIQUE_ID_7 0x7806 | |
171 | #define WM831X_UNIQUE_ID_8 0x7807 | |
172 | #define WM831X_FACTORY_OTP_ID 0x7808 | |
173 | #define WM831X_FACTORY_OTP_1 0x7809 | |
174 | #define WM831X_FACTORY_OTP_2 0x780A | |
175 | #define WM831X_FACTORY_OTP_3 0x780B | |
176 | #define WM831X_FACTORY_OTP_4 0x780C | |
177 | #define WM831X_FACTORY_OTP_5 0x780D | |
178 | #define WM831X_CUSTOMER_OTP_ID 0x7810 | |
179 | #define WM831X_DC1_OTP_CONTROL 0x7811 | |
180 | #define WM831X_DC2_OTP_CONTROL 0x7812 | |
181 | #define WM831X_DC3_OTP_CONTROL 0x7813 | |
182 | #define WM831X_LDO1_2_OTP_CONTROL 0x7814 | |
183 | #define WM831X_LDO3_4_OTP_CONTROL 0x7815 | |
184 | #define WM831X_LDO5_6_OTP_CONTROL 0x7816 | |
185 | #define WM831X_LDO7_8_OTP_CONTROL 0x7817 | |
186 | #define WM831X_LDO9_10_OTP_CONTROL 0x7818 | |
187 | #define WM831X_LDO11_EPE_CONTROL 0x7819 | |
188 | #define WM831X_GPIO1_OTP_CONTROL 0x781A | |
189 | #define WM831X_GPIO2_OTP_CONTROL 0x781B | |
190 | #define WM831X_GPIO3_OTP_CONTROL 0x781C | |
191 | #define WM831X_GPIO4_OTP_CONTROL 0x781D | |
192 | #define WM831X_GPIO5_OTP_CONTROL 0x781E | |
193 | #define WM831X_GPIO6_OTP_CONTROL 0x781F | |
194 | #define WM831X_DBE_CHECK_DATA 0x7827 | |
195 | ||
196 | /* | |
197 | * R0 (0x00) - Reset ID | |
198 | */ | |
199 | #define WM831X_CHIP_ID_MASK 0xFFFF /* CHIP_ID - [15:0] */ | |
200 | #define WM831X_CHIP_ID_SHIFT 0 /* CHIP_ID - [15:0] */ | |
201 | #define WM831X_CHIP_ID_WIDTH 16 /* CHIP_ID - [15:0] */ | |
202 | ||
203 | /* | |
204 | * R1 (0x01) - Revision | |
205 | */ | |
206 | #define WM831X_PARENT_REV_MASK 0xFF00 /* PARENT_REV - [15:8] */ | |
207 | #define WM831X_PARENT_REV_SHIFT 8 /* PARENT_REV - [15:8] */ | |
208 | #define WM831X_PARENT_REV_WIDTH 8 /* PARENT_REV - [15:8] */ | |
209 | #define WM831X_CHILD_REV_MASK 0x00FF /* CHILD_REV - [7:0] */ | |
210 | #define WM831X_CHILD_REV_SHIFT 0 /* CHILD_REV - [7:0] */ | |
211 | #define WM831X_CHILD_REV_WIDTH 8 /* CHILD_REV - [7:0] */ | |
212 | ||
213 | /* | |
214 | * R16384 (0x4000) - Parent ID | |
215 | */ | |
216 | #define WM831X_PARENT_ID_MASK 0xFFFF /* PARENT_ID - [15:0] */ | |
217 | #define WM831X_PARENT_ID_SHIFT 0 /* PARENT_ID - [15:0] */ | |
218 | #define WM831X_PARENT_ID_WIDTH 16 /* PARENT_ID - [15:0] */ | |
219 | ||
0c73b992 MB |
220 | /* |
221 | * R16389 (0x4005) - ON Pin Control | |
222 | */ | |
223 | #define WM831X_ON_PIN_SECACT_MASK 0x0300 /* ON_PIN_SECACT - [9:8] */ | |
224 | #define WM831X_ON_PIN_SECACT_SHIFT 8 /* ON_PIN_SECACT - [9:8] */ | |
225 | #define WM831X_ON_PIN_SECACT_WIDTH 2 /* ON_PIN_SECACT - [9:8] */ | |
226 | #define WM831X_ON_PIN_PRIMACT_MASK 0x0030 /* ON_PIN_PRIMACT - [5:4] */ | |
227 | #define WM831X_ON_PIN_PRIMACT_SHIFT 4 /* ON_PIN_PRIMACT - [5:4] */ | |
228 | #define WM831X_ON_PIN_PRIMACT_WIDTH 2 /* ON_PIN_PRIMACT - [5:4] */ | |
229 | #define WM831X_ON_PIN_STS 0x0008 /* ON_PIN_STS */ | |
230 | #define WM831X_ON_PIN_STS_MASK 0x0008 /* ON_PIN_STS */ | |
231 | #define WM831X_ON_PIN_STS_SHIFT 3 /* ON_PIN_STS */ | |
232 | #define WM831X_ON_PIN_STS_WIDTH 1 /* ON_PIN_STS */ | |
233 | #define WM831X_ON_PIN_TO_MASK 0x0003 /* ON_PIN_TO - [1:0] */ | |
234 | #define WM831X_ON_PIN_TO_SHIFT 0 /* ON_PIN_TO - [1:0] */ | |
235 | #define WM831X_ON_PIN_TO_WIDTH 2 /* ON_PIN_TO - [1:0] */ | |
236 | ||
237 | struct regulator_dev; | |
238 | ||
5fb4d38b | 239 | #define WM831X_NUM_IRQ_REGS 5 |
ca7a7182 | 240 | #define WM831X_NUM_GPIO_REGS 16 |
5fb4d38b | 241 | |
e5b48684 MB |
242 | enum wm831x_parent { |
243 | WM8310 = 0x8310, | |
244 | WM8311 = 0x8311, | |
245 | WM8312 = 0x8312, | |
246 | WM8320 = 0x8320, | |
247 | WM8321 = 0x8321, | |
248 | WM8325 = 0x8325, | |
412dc11d | 249 | WM8326 = 0x8326, |
e5b48684 MB |
250 | }; |
251 | ||
d2bedfe7 MB |
252 | struct wm831x { |
253 | struct mutex io_lock; | |
254 | ||
255 | struct device *dev; | |
256 | int (*read_dev)(struct wm831x *wm831x, unsigned short reg, | |
257 | int bytes, void *dest); | |
258 | int (*write_dev)(struct wm831x *wm831x, unsigned short reg, | |
259 | int bytes, void *src); | |
260 | ||
261 | void *control_data; | |
262 | ||
7d4d0a3e MB |
263 | int irq; /* Our chip IRQ */ |
264 | struct mutex irq_lock; | |
5c05a8d1 | 265 | int irq_base; |
5fb4d38b MB |
266 | int irq_masks_cur[WM831X_NUM_IRQ_REGS]; /* Currently active value */ |
267 | int irq_masks_cache[WM831X_NUM_IRQ_REGS]; /* Cached hardware value */ | |
7d4d0a3e | 268 | |
f92e8f81 | 269 | /* Chip revision based flags */ |
b03b4d7c MB |
270 | unsigned has_gpio_ena:1; /* Has GPIO enable bit */ |
271 | unsigned has_cs_sts:1; /* Has current sink status bit */ | |
272 | unsigned charger_irq_wake:1; /* Are charger IRQs a wake source? */ | |
f92e8f81 | 273 | |
6f2ecaae MB |
274 | int num_gpio; |
275 | ||
ca7a7182 MB |
276 | /* Used by the interrupt controller code to post writes */ |
277 | int gpio_update[WM831X_NUM_GPIO_REGS]; | |
278 | ||
7e9f9fd4 | 279 | struct mutex auxadc_lock; |
473fe736 | 280 | struct completion auxadc_done; |
c1a82780 | 281 | u16 auxadc_data; |
7e9f9fd4 | 282 | |
d2bedfe7 MB |
283 | /* The WM831x has a security key blocking access to certain |
284 | * registers. The mutex is taken by the accessors for locking | |
285 | * and unlocking the security key, locked is used to fail | |
286 | * writes if the lock is held. | |
287 | */ | |
288 | struct mutex key_lock; | |
289 | unsigned int locked:1; | |
290 | }; | |
291 | ||
292 | /* Device I/O API */ | |
293 | int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg); | |
294 | int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg, | |
295 | unsigned short val); | |
296 | void wm831x_reg_lock(struct wm831x *wm831x); | |
297 | int wm831x_reg_unlock(struct wm831x *wm831x); | |
298 | int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg, | |
299 | unsigned short mask, unsigned short val); | |
300 | int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg, | |
301 | int count, u16 *buf); | |
302 | ||
e5b48684 MB |
303 | int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq); |
304 | void wm831x_device_exit(struct wm831x *wm831x); | |
305 | int wm831x_device_suspend(struct wm831x *wm831x); | |
7d4d0a3e MB |
306 | int wm831x_irq_init(struct wm831x *wm831x, int irq); |
307 | void wm831x_irq_exit(struct wm831x *wm831x); | |
308 | ||
d2bedfe7 | 309 | #endif |