ad411a78870ce042b99dd35d2e3f25fc10657c16
[kernel.git] / include / linux / mfd / pcf50633 / core.h
1 /*
2  * core.h  -- Core driver for NXP PCF50633
3  *
4  * (C) 2006-2008 by Openmoko, Inc.
5  * All rights reserved.
6  *
7  * This program is free software; you can redistribute  it and/or modify it
8  * under  the terms of  the GNU General  Public License as published by the
9  * Free Software Foundation;  either version 2 of the  License, or (at your
10  * option) any later version.
11  */
12
13 #ifndef __LINUX_MFD_PCF50633_CORE_H
14 #define __LINUX_MFD_PCF50633_CORE_H
15
16 #include <linux/i2c.h>
17 #include <linux/workqueue.h>
18 #include <linux/regulator/driver.h>
19 #include <linux/regulator/machine.h>
20 #include <linux/power_supply.h>
21 #include <linux/mfd/pcf50633/backlight.h>
22
23 struct pcf50633;
24
25 #define PCF50633_NUM_REGULATORS 11
26
27 struct pcf50633_platform_data {
28         struct regulator_init_data reg_init_data[PCF50633_NUM_REGULATORS];
29
30         char **batteries;
31         int num_batteries;
32
33         /*
34          * Should be set accordingly to the reference resistor used, see
35          * I_{ch(ref)} charger reference current in the pcf50633 User
36          * Manual.
37          */
38         int charger_reference_current_ma;
39
40         /* Callbacks */
41         void (*probe_done)(struct pcf50633 *);
42         void (*mbc_event_callback)(struct pcf50633 *, int);
43         void (*regulator_registered)(struct pcf50633 *, int);
44         void (*force_shutdown)(struct pcf50633 *);
45
46         u8 resumers[5];
47
48         struct pcf50633_bl_platform_data *backlight_data;
49 };
50
51 struct pcf50633_irq {
52         void (*handler) (int, void *);
53         void *data;
54 };
55
56 int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
57                         void (*handler) (int, void *), void *data);
58 int pcf50633_free_irq(struct pcf50633 *pcf, int irq);
59
60 int pcf50633_irq_mask(struct pcf50633 *pcf, int irq);
61 int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq);
62 int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq);
63
64 int pcf50633_read_block(struct pcf50633 *, u8 reg,
65                                         int nr_regs, u8 *data);
66 int pcf50633_write_block(struct pcf50633 *pcf, u8 reg,
67                                         int nr_regs, u8 *data);
68 u8 pcf50633_reg_read(struct pcf50633 *, u8 reg);
69 int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val);
70
71 int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val);
72 int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 bits);
73
74 /* Interrupt registers */
75
76 #define PCF50633_REG_INT1       0x02
77 #define PCF50633_REG_INT2       0x03
78 #define PCF50633_REG_INT3       0x04
79 #define PCF50633_REG_INT4       0x05
80 #define PCF50633_REG_INT5       0x06
81
82 #define PCF50633_REG_INT1M      0x07
83 #define PCF50633_REG_INT2M      0x08
84 #define PCF50633_REG_INT3M      0x09
85 #define PCF50633_REG_INT4M      0x0a
86 #define PCF50633_REG_INT5M      0x0b
87
88 enum {
89         /* Chip IRQs */
90         PCF50633_IRQ_ADPINS,
91         PCF50633_IRQ_ADPREM,
92         PCF50633_IRQ_USBINS,
93         PCF50633_IRQ_USBREM,
94         PCF50633_IRQ_RESERVED1,
95         PCF50633_IRQ_RESERVED2,
96         PCF50633_IRQ_ALARM,
97         PCF50633_IRQ_SECOND,
98         PCF50633_IRQ_ONKEYR,
99         PCF50633_IRQ_ONKEYF,
100         PCF50633_IRQ_EXTON1R,
101         PCF50633_IRQ_EXTON1F,
102         PCF50633_IRQ_EXTON2R,
103         PCF50633_IRQ_EXTON2F,
104         PCF50633_IRQ_EXTON3R,
105         PCF50633_IRQ_EXTON3F,
106         PCF50633_IRQ_BATFULL,
107         PCF50633_IRQ_CHGHALT,
108         PCF50633_IRQ_THLIMON,
109         PCF50633_IRQ_THLIMOFF,
110         PCF50633_IRQ_USBLIMON,
111         PCF50633_IRQ_USBLIMOFF,
112         PCF50633_IRQ_ADCRDY,
113         PCF50633_IRQ_ONKEY1S,
114         PCF50633_IRQ_LOWSYS,
115         PCF50633_IRQ_LOWBAT,
116         PCF50633_IRQ_HIGHTMP,
117         PCF50633_IRQ_AUTOPWRFAIL,
118         PCF50633_IRQ_DWN1PWRFAIL,
119         PCF50633_IRQ_DWN2PWRFAIL,
120         PCF50633_IRQ_LEDPWRFAIL,
121         PCF50633_IRQ_LEDOVP,
122         PCF50633_IRQ_LDO1PWRFAIL,
123         PCF50633_IRQ_LDO2PWRFAIL,
124         PCF50633_IRQ_LDO3PWRFAIL,
125         PCF50633_IRQ_LDO4PWRFAIL,
126         PCF50633_IRQ_LDO5PWRFAIL,
127         PCF50633_IRQ_LDO6PWRFAIL,
128         PCF50633_IRQ_HCLDOPWRFAIL,
129         PCF50633_IRQ_HCLDOOVL,
130
131         /* Always last */
132         PCF50633_NUM_IRQ,
133 };
134
135 struct pcf50633 {
136         struct device *dev;
137         struct i2c_client *i2c_client;
138
139         struct pcf50633_platform_data *pdata;
140         int irq;
141         struct pcf50633_irq irq_handler[PCF50633_NUM_IRQ];
142         struct work_struct irq_work;
143         struct workqueue_struct *work_queue;
144         struct mutex lock;
145
146         u8 mask_regs[5];
147
148         u8 suspend_irq_masks[5];
149         u8 resume_reason[5];
150         int is_suspended;
151
152         int onkey1s_held;
153
154         struct platform_device *rtc_pdev;
155         struct platform_device *mbc_pdev;
156         struct platform_device *adc_pdev;
157         struct platform_device *input_pdev;
158         struct platform_device *bl_pdev;
159         struct platform_device *regulator_pdev[PCF50633_NUM_REGULATORS];
160 };
161
162 enum pcf50633_reg_int1 {
163         PCF50633_INT1_ADPINS    = 0x01, /* Adapter inserted */
164         PCF50633_INT1_ADPREM    = 0x02, /* Adapter removed */
165         PCF50633_INT1_USBINS    = 0x04, /* USB inserted */
166         PCF50633_INT1_USBREM    = 0x08, /* USB removed */
167         /* reserved */
168         PCF50633_INT1_ALARM     = 0x40, /* RTC alarm time is reached */
169         PCF50633_INT1_SECOND    = 0x80, /* RTC periodic second interrupt */
170 };
171
172 enum pcf50633_reg_int2 {
173         PCF50633_INT2_ONKEYR    = 0x01, /* ONKEY rising edge */
174         PCF50633_INT2_ONKEYF    = 0x02, /* ONKEY falling edge */
175         PCF50633_INT2_EXTON1R   = 0x04, /* EXTON1 rising edge */
176         PCF50633_INT2_EXTON1F   = 0x08, /* EXTON1 falling edge */
177         PCF50633_INT2_EXTON2R   = 0x10, /* EXTON2 rising edge */
178         PCF50633_INT2_EXTON2F   = 0x20, /* EXTON2 falling edge */
179         PCF50633_INT2_EXTON3R   = 0x40, /* EXTON3 rising edge */
180         PCF50633_INT2_EXTON3F   = 0x80, /* EXTON3 falling edge */
181 };
182
183 enum pcf50633_reg_int3 {
184         PCF50633_INT3_BATFULL   = 0x01, /* Battery full */
185         PCF50633_INT3_CHGHALT   = 0x02, /* Charger halt */
186         PCF50633_INT3_THLIMON   = 0x04,
187         PCF50633_INT3_THLIMOFF  = 0x08,
188         PCF50633_INT3_USBLIMON  = 0x10,
189         PCF50633_INT3_USBLIMOFF = 0x20,
190         PCF50633_INT3_ADCRDY    = 0x40, /* ADC result ready */
191         PCF50633_INT3_ONKEY1S   = 0x80, /* ONKEY pressed 1 second */
192 };
193
194 enum pcf50633_reg_int4 {
195         PCF50633_INT4_LOWSYS            = 0x01,
196         PCF50633_INT4_LOWBAT            = 0x02,
197         PCF50633_INT4_HIGHTMP           = 0x04,
198         PCF50633_INT4_AUTOPWRFAIL       = 0x08,
199         PCF50633_INT4_DWN1PWRFAIL       = 0x10,
200         PCF50633_INT4_DWN2PWRFAIL       = 0x20,
201         PCF50633_INT4_LEDPWRFAIL        = 0x40,
202         PCF50633_INT4_LEDOVP            = 0x80,
203 };
204
205 enum pcf50633_reg_int5 {
206         PCF50633_INT5_LDO1PWRFAIL       = 0x01,
207         PCF50633_INT5_LDO2PWRFAIL       = 0x02,
208         PCF50633_INT5_LDO3PWRFAIL       = 0x04,
209         PCF50633_INT5_LDO4PWRFAIL       = 0x08,
210         PCF50633_INT5_LDO5PWRFAIL       = 0x10,
211         PCF50633_INT5_LDO6PWRFAIL       = 0x20,
212         PCF50633_INT5_HCLDOPWRFAIL      = 0x40,
213         PCF50633_INT5_HCLDOOVL          = 0x80,
214 };
215
216 /* misc. registers */
217 #define PCF50633_REG_OOCSHDWN   0x0c
218
219 /* LED registers */
220 #define PCF50633_REG_LEDOUT 0x28
221 #define PCF50633_REG_LEDENA 0x29
222 #define PCF50633_REG_LEDCTL 0x2a
223 #define PCF50633_REG_LEDDIM 0x2b
224
225 static inline struct pcf50633 *dev_to_pcf50633(struct device *dev)
226 {
227         return dev_get_drvdata(dev);
228 }
229
230 #endif