pcf50633-gpio: Add gpiolib support.
[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 #include <linux/gpio.h>
23
24 struct pcf50633;
25
26 #define PCF50633_NUM_REGULATORS 11
27
28 struct pcf50633_platform_data {
29         struct regulator_init_data reg_init_data[PCF50633_NUM_REGULATORS];
30
31         char **batteries;
32         int num_batteries;
33
34         /*
35          * Should be set accordingly to the reference resistor used, see
36          * I_{ch(ref)} charger reference current in the pcf50633 User
37          * Manual.
38          */
39         int charger_reference_current_ma;
40
41         /* Callbacks */
42         void (*probe_done)(struct pcf50633 *);
43         void (*mbc_event_callback)(struct pcf50633 *, int);
44         void (*regulator_registered)(struct pcf50633 *, int);
45         void (*force_shutdown)(struct pcf50633 *);
46
47         u8 resumers[5];
48
49         struct pcf50633_bl_platform_data *backlight_data;
50
51         int gpio_base;
52 };
53
54 struct pcf50633_irq {
55         void (*handler) (int, void *);
56         void *data;
57 };
58
59 int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
60                         void (*handler) (int, void *), void *data);
61 int pcf50633_free_irq(struct pcf50633 *pcf, int irq);
62
63 int pcf50633_irq_mask(struct pcf50633 *pcf, int irq);
64 int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq);
65 int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq);
66
67 int pcf50633_read_block(struct pcf50633 *, u8 reg,
68                                         int nr_regs, u8 *data);
69 int pcf50633_write_block(struct pcf50633 *pcf, u8 reg,
70                                         int nr_regs, u8 *data);
71 u8 pcf50633_reg_read(struct pcf50633 *, u8 reg);
72 int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val);
73
74 int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val);
75 int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 bits);
76
77 /* Interrupt registers */
78
79 #define PCF50633_REG_INT1       0x02
80 #define PCF50633_REG_INT2       0x03
81 #define PCF50633_REG_INT3       0x04
82 #define PCF50633_REG_INT4       0x05
83 #define PCF50633_REG_INT5       0x06
84
85 #define PCF50633_REG_INT1M      0x07
86 #define PCF50633_REG_INT2M      0x08
87 #define PCF50633_REG_INT3M      0x09
88 #define PCF50633_REG_INT4M      0x0a
89 #define PCF50633_REG_INT5M      0x0b
90
91 enum {
92         /* Chip IRQs */
93         PCF50633_IRQ_ADPINS,
94         PCF50633_IRQ_ADPREM,
95         PCF50633_IRQ_USBINS,
96         PCF50633_IRQ_USBREM,
97         PCF50633_IRQ_RESERVED1,
98         PCF50633_IRQ_RESERVED2,
99         PCF50633_IRQ_ALARM,
100         PCF50633_IRQ_SECOND,
101         PCF50633_IRQ_ONKEYR,
102         PCF50633_IRQ_ONKEYF,
103         PCF50633_IRQ_EXTON1R,
104         PCF50633_IRQ_EXTON1F,
105         PCF50633_IRQ_EXTON2R,
106         PCF50633_IRQ_EXTON2F,
107         PCF50633_IRQ_EXTON3R,
108         PCF50633_IRQ_EXTON3F,
109         PCF50633_IRQ_BATFULL,
110         PCF50633_IRQ_CHGHALT,
111         PCF50633_IRQ_THLIMON,
112         PCF50633_IRQ_THLIMOFF,
113         PCF50633_IRQ_USBLIMON,
114         PCF50633_IRQ_USBLIMOFF,
115         PCF50633_IRQ_ADCRDY,
116         PCF50633_IRQ_ONKEY1S,
117         PCF50633_IRQ_LOWSYS,
118         PCF50633_IRQ_LOWBAT,
119         PCF50633_IRQ_HIGHTMP,
120         PCF50633_IRQ_AUTOPWRFAIL,
121         PCF50633_IRQ_DWN1PWRFAIL,
122         PCF50633_IRQ_DWN2PWRFAIL,
123         PCF50633_IRQ_LEDPWRFAIL,
124         PCF50633_IRQ_LEDOVP,
125         PCF50633_IRQ_LDO1PWRFAIL,
126         PCF50633_IRQ_LDO2PWRFAIL,
127         PCF50633_IRQ_LDO3PWRFAIL,
128         PCF50633_IRQ_LDO4PWRFAIL,
129         PCF50633_IRQ_LDO5PWRFAIL,
130         PCF50633_IRQ_LDO6PWRFAIL,
131         PCF50633_IRQ_HCLDOPWRFAIL,
132         PCF50633_IRQ_HCLDOOVL,
133
134         /* Always last */
135         PCF50633_NUM_IRQ,
136 };
137
138 struct pcf50633 {
139         struct device *dev;
140         struct i2c_client *i2c_client;
141
142         struct pcf50633_platform_data *pdata;
143         int irq;
144         struct pcf50633_irq irq_handler[PCF50633_NUM_IRQ];
145         struct work_struct irq_work;
146         struct workqueue_struct *work_queue;
147         struct mutex lock;
148
149         u8 mask_regs[5];
150
151         u8 suspend_irq_masks[5];
152         u8 resume_reason[5];
153         int is_suspended;
154
155         int onkey1s_held;
156
157         struct platform_device *gpio_pdev;
158         struct platform_device *rtc_pdev;
159         struct platform_device *mbc_pdev;
160         struct platform_device *adc_pdev;
161         struct platform_device *input_pdev;
162         struct platform_device *bl_pdev;
163         struct platform_device *regulator_pdev[PCF50633_NUM_REGULATORS];
164 };
165
166 enum pcf50633_reg_int1 {
167         PCF50633_INT1_ADPINS    = 0x01, /* Adapter inserted */
168         PCF50633_INT1_ADPREM    = 0x02, /* Adapter removed */
169         PCF50633_INT1_USBINS    = 0x04, /* USB inserted */
170         PCF50633_INT1_USBREM    = 0x08, /* USB removed */
171         /* reserved */
172         PCF50633_INT1_ALARM     = 0x40, /* RTC alarm time is reached */
173         PCF50633_INT1_SECOND    = 0x80, /* RTC periodic second interrupt */
174 };
175
176 enum pcf50633_reg_int2 {
177         PCF50633_INT2_ONKEYR    = 0x01, /* ONKEY rising edge */
178         PCF50633_INT2_ONKEYF    = 0x02, /* ONKEY falling edge */
179         PCF50633_INT2_EXTON1R   = 0x04, /* EXTON1 rising edge */
180         PCF50633_INT2_EXTON1F   = 0x08, /* EXTON1 falling edge */
181         PCF50633_INT2_EXTON2R   = 0x10, /* EXTON2 rising edge */
182         PCF50633_INT2_EXTON2F   = 0x20, /* EXTON2 falling edge */
183         PCF50633_INT2_EXTON3R   = 0x40, /* EXTON3 rising edge */
184         PCF50633_INT2_EXTON3F   = 0x80, /* EXTON3 falling edge */
185 };
186
187 enum pcf50633_reg_int3 {
188         PCF50633_INT3_BATFULL   = 0x01, /* Battery full */
189         PCF50633_INT3_CHGHALT   = 0x02, /* Charger halt */
190         PCF50633_INT3_THLIMON   = 0x04,
191         PCF50633_INT3_THLIMOFF  = 0x08,
192         PCF50633_INT3_USBLIMON  = 0x10,
193         PCF50633_INT3_USBLIMOFF = 0x20,
194         PCF50633_INT3_ADCRDY    = 0x40, /* ADC result ready */
195         PCF50633_INT3_ONKEY1S   = 0x80, /* ONKEY pressed 1 second */
196 };
197
198 enum pcf50633_reg_int4 {
199         PCF50633_INT4_LOWSYS            = 0x01,
200         PCF50633_INT4_LOWBAT            = 0x02,
201         PCF50633_INT4_HIGHTMP           = 0x04,
202         PCF50633_INT4_AUTOPWRFAIL       = 0x08,
203         PCF50633_INT4_DWN1PWRFAIL       = 0x10,
204         PCF50633_INT4_DWN2PWRFAIL       = 0x20,
205         PCF50633_INT4_LEDPWRFAIL        = 0x40,
206         PCF50633_INT4_LEDOVP            = 0x80,
207 };
208
209 enum pcf50633_reg_int5 {
210         PCF50633_INT5_LDO1PWRFAIL       = 0x01,
211         PCF50633_INT5_LDO2PWRFAIL       = 0x02,
212         PCF50633_INT5_LDO3PWRFAIL       = 0x04,
213         PCF50633_INT5_LDO4PWRFAIL       = 0x08,
214         PCF50633_INT5_LDO5PWRFAIL       = 0x10,
215         PCF50633_INT5_LDO6PWRFAIL       = 0x20,
216         PCF50633_INT5_HCLDOPWRFAIL      = 0x40,
217         PCF50633_INT5_HCLDOOVL          = 0x80,
218 };
219
220 /* misc. registers */
221 #define PCF50633_REG_OOCSHDWN   0x0c
222
223 /* LED registers */
224 #define PCF50633_REG_LEDOUT 0x28
225 #define PCF50633_REG_LEDENA 0x29
226 #define PCF50633_REG_LEDCTL 0x2a
227 #define PCF50633_REG_LEDDIM 0x2b
228
229 static inline struct pcf50633 *dev_to_pcf50633(struct device *dev)
230 {
231         return dev_get_drvdata(dev);
232 }
233
234 #endif