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-rw-r--r--include/linux/mfd/abx500.h134
1 files changed, 119 insertions, 15 deletions
diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index 9a881c305a50..390726fcbcb1 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -3,17 +3,37 @@
3 * License terms: GNU General Public License (GPL) version 2 3 * License terms: GNU General Public License (GPL) version 2
4 * AB3100 core access functions 4 * AB3100 core access functions
5 * Author: Linus Walleij <linus.walleij@stericsson.com> 5 * Author: Linus Walleij <linus.walleij@stericsson.com>
6 *
7 * ABX500 core access functions.
8 * The abx500 interface is used for the Analog Baseband chip
9 * ab3100, ab3550, ab5500 and possibly comming. It is not used for
10 * ab4500 and ab8500 since they are another family of chip.
11 *
12 * Author: Mattias Wallin <mattias.wallin@stericsson.com>
13 * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
14 * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
15 * Author: Rickard Andersson <rickard.andersson@stericsson.com>
6 */ 16 */
7 17
8#include <linux/device.h> 18#include <linux/device.h>
9#include <linux/regulator/machine.h> 19#include <linux/regulator/machine.h>
10 20
11#ifndef MFD_AB3100_H 21#ifndef MFD_ABX500_H
12#define MFD_AB3100_H 22#define MFD_ABX500_H
13 23
14#define ABUNKNOWN 0 24#define AB3100_P1A 0xc0
15#define AB3000 1 25#define AB3100_P1B 0xc1
16#define AB3100 2 26#define AB3100_P1C 0xc2
27#define AB3100_P1D 0xc3
28#define AB3100_P1E 0xc4
29#define AB3100_P1F 0xc5
30#define AB3100_P1G 0xc6
31#define AB3100_R2A 0xc7
32#define AB3100_R2B 0xc8
33#define AB3550_P1A 0x10
34#define AB5500_1_0 0x20
35#define AB5500_2_0 0x21
36#define AB5500_2_1 0x22
17 37
18/* 38/*
19 * AB3100, EVENTA1, A2 and A3 event register flags 39 * AB3100, EVENTA1, A2 and A3 event register flags
@@ -89,7 +109,7 @@ struct ab3100 {
89 char chip_name[32]; 109 char chip_name[32];
90 u8 chip_id; 110 u8 chip_id;
91 struct blocking_notifier_head event_subscribers; 111 struct blocking_notifier_head event_subscribers;
92 u32 startup_events; 112 u8 startup_events[3];
93 bool startup_events_read; 113 bool startup_events_read;
94}; 114};
95 115
@@ -112,18 +132,102 @@ struct ab3100_platform_data {
112 int external_voltage; 132 int external_voltage;
113}; 133};
114 134
115int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval);
116int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval);
117int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
118 u8 first_reg, u8 *regvals, u8 numregs);
119int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
120 u8 reg, u8 andmask, u8 ormask);
121u8 ab3100_get_chip_type(struct ab3100 *ab3100);
122int ab3100_event_register(struct ab3100 *ab3100, 135int ab3100_event_register(struct ab3100 *ab3100,
123 struct notifier_block *nb); 136 struct notifier_block *nb);
124int ab3100_event_unregister(struct ab3100 *ab3100, 137int ab3100_event_unregister(struct ab3100 *ab3100,
125 struct notifier_block *nb); 138 struct notifier_block *nb);
126int ab3100_event_registers_startup_state_get(struct ab3100 *ab3100,
127 u32 *fatevent);
128 139
140/* AB3550, STR register flags */
141#define AB3550_STR_ONSWA (0x01)
142#define AB3550_STR_ONSWB (0x02)
143#define AB3550_STR_ONSWC (0x04)
144#define AB3550_STR_DCIO (0x08)
145#define AB3550_STR_BOOT_MODE (0x10)
146#define AB3550_STR_SIM_OFF (0x20)
147#define AB3550_STR_BATT_REMOVAL (0x40)
148#define AB3550_STR_VBUS (0x80)
149
150/* Interrupt mask registers */
151#define AB3550_IMR1 0x29
152#define AB3550_IMR2 0x2a
153#define AB3550_IMR3 0x2b
154#define AB3550_IMR4 0x2c
155#define AB3550_IMR5 0x2d
156
157enum ab3550_devid {
158 AB3550_DEVID_ADC,
159 AB3550_DEVID_DAC,
160 AB3550_DEVID_LEDS,
161 AB3550_DEVID_POWER,
162 AB3550_DEVID_REGULATORS,
163 AB3550_DEVID_SIM,
164 AB3550_DEVID_UART,
165 AB3550_DEVID_RTC,
166 AB3550_DEVID_CHARGER,
167 AB3550_DEVID_FUELGAUGE,
168 AB3550_DEVID_VIBRATOR,
169 AB3550_DEVID_CODEC,
170 AB3550_NUM_DEVICES,
171};
172
173/**
174 * struct abx500_init_setting
175 * Initial value of the registers for driver to use during setup.
176 */
177struct abx500_init_settings {
178 u8 bank;
179 u8 reg;
180 u8 setting;
181};
182
183/**
184 * struct ab3550_platform_data
185 * Data supplied to initialize board connections to the AB3550
186 */
187struct ab3550_platform_data {
188 struct {unsigned int base; unsigned int count; } irq;
189 void *dev_data[AB3550_NUM_DEVICES];
190 size_t dev_data_sz[AB3550_NUM_DEVICES];
191 struct abx500_init_settings *init_settings;
192 unsigned int init_settings_sz;
193};
194
195int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg,
196 u8 value);
197int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg,
198 u8 *value);
199int abx500_get_register_page_interruptible(struct device *dev, u8 bank,
200 u8 first_reg, u8 *regvals, u8 numregs);
201int abx500_set_register_page_interruptible(struct device *dev, u8 bank,
202 u8 first_reg, u8 *regvals, u8 numregs);
203/**
204 * abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a
205 * target register
206 *
207 * @dev: The AB sub device.
208 * @bank: The i2c bank number.
209 * @bitmask: The bit mask to use.
210 * @bitvalues: The new bit values.
211 *
212 * Updates the value of an AB register:
213 * value -> ((value & ~bitmask) | (bitvalues & bitmask))
214 */
215int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank,
216 u8 reg, u8 bitmask, u8 bitvalues);
217int abx500_get_chip_id(struct device *dev);
218int abx500_event_registers_startup_state_get(struct device *dev, u8 *event);
219int abx500_startup_irq_enabled(struct device *dev, unsigned int irq);
220
221struct abx500_ops {
222 int (*get_chip_id) (struct device *);
223 int (*get_register) (struct device *, u8, u8, u8 *);
224 int (*set_register) (struct device *, u8, u8, u8);
225 int (*get_register_page) (struct device *, u8, u8, u8 *, u8);
226 int (*set_register_page) (struct device *, u8, u8, u8 *, u8);
227 int (*mask_and_set_register) (struct device *, u8, u8, u8, u8);
228 int (*event_registers_startup_state_get) (struct device *, u8 *);
229 int (*startup_irq_enabled) (struct device *, unsigned int);
230};
231
232int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops);
129#endif 233#endif