xref: /linux/include/linux/mfd/pcf50633/core.h (revision 4413e16d9d21673bb5048a2e542f1aaa00015c2e)
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 struct regmap;
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 
52 struct pcf50633_irq {
53 	void (*handler) (int, void *);
54 	void *data;
55 };
56 
57 int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
58 			void (*handler) (int, void *), void *data);
59 int pcf50633_free_irq(struct pcf50633 *pcf, int irq);
60 
61 int pcf50633_irq_mask(struct pcf50633 *pcf, int irq);
62 int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq);
63 int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq);
64 
65 int pcf50633_read_block(struct pcf50633 *, u8 reg,
66 					int nr_regs, u8 *data);
67 int pcf50633_write_block(struct pcf50633 *pcf, u8 reg,
68 					int nr_regs, u8 *data);
69 u8 pcf50633_reg_read(struct pcf50633 *, u8 reg);
70 int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val);
71 
72 int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val);
73 int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 bits);
74 
75 /* Interrupt registers */
76 
77 #define PCF50633_REG_INT1	0x02
78 #define PCF50633_REG_INT2	0x03
79 #define PCF50633_REG_INT3	0x04
80 #define PCF50633_REG_INT4	0x05
81 #define PCF50633_REG_INT5	0x06
82 
83 #define PCF50633_REG_INT1M	0x07
84 #define PCF50633_REG_INT2M	0x08
85 #define PCF50633_REG_INT3M	0x09
86 #define PCF50633_REG_INT4M	0x0a
87 #define PCF50633_REG_INT5M	0x0b
88 
89 enum {
90 	/* Chip IRQs */
91 	PCF50633_IRQ_ADPINS,
92 	PCF50633_IRQ_ADPREM,
93 	PCF50633_IRQ_USBINS,
94 	PCF50633_IRQ_USBREM,
95 	PCF50633_IRQ_RESERVED1,
96 	PCF50633_IRQ_RESERVED2,
97 	PCF50633_IRQ_ALARM,
98 	PCF50633_IRQ_SECOND,
99 	PCF50633_IRQ_ONKEYR,
100 	PCF50633_IRQ_ONKEYF,
101 	PCF50633_IRQ_EXTON1R,
102 	PCF50633_IRQ_EXTON1F,
103 	PCF50633_IRQ_EXTON2R,
104 	PCF50633_IRQ_EXTON2F,
105 	PCF50633_IRQ_EXTON3R,
106 	PCF50633_IRQ_EXTON3F,
107 	PCF50633_IRQ_BATFULL,
108 	PCF50633_IRQ_CHGHALT,
109 	PCF50633_IRQ_THLIMON,
110 	PCF50633_IRQ_THLIMOFF,
111 	PCF50633_IRQ_USBLIMON,
112 	PCF50633_IRQ_USBLIMOFF,
113 	PCF50633_IRQ_ADCRDY,
114 	PCF50633_IRQ_ONKEY1S,
115 	PCF50633_IRQ_LOWSYS,
116 	PCF50633_IRQ_LOWBAT,
117 	PCF50633_IRQ_HIGHTMP,
118 	PCF50633_IRQ_AUTOPWRFAIL,
119 	PCF50633_IRQ_DWN1PWRFAIL,
120 	PCF50633_IRQ_DWN2PWRFAIL,
121 	PCF50633_IRQ_LEDPWRFAIL,
122 	PCF50633_IRQ_LEDOVP,
123 	PCF50633_IRQ_LDO1PWRFAIL,
124 	PCF50633_IRQ_LDO2PWRFAIL,
125 	PCF50633_IRQ_LDO3PWRFAIL,
126 	PCF50633_IRQ_LDO4PWRFAIL,
127 	PCF50633_IRQ_LDO5PWRFAIL,
128 	PCF50633_IRQ_LDO6PWRFAIL,
129 	PCF50633_IRQ_HCLDOPWRFAIL,
130 	PCF50633_IRQ_HCLDOOVL,
131 
132 	/* Always last */
133 	PCF50633_NUM_IRQ,
134 };
135 
136 struct pcf50633 {
137 	struct device *dev;
138 	struct regmap *regmap;
139 
140 	struct pcf50633_platform_data *pdata;
141 	int irq;
142 	struct pcf50633_irq irq_handler[PCF50633_NUM_IRQ];
143 	struct work_struct irq_work;
144 	struct workqueue_struct *work_queue;
145 	struct mutex lock;
146 
147 	u8 mask_regs[5];
148 
149 	u8 suspend_irq_masks[5];
150 	u8 resume_reason[5];
151 	int is_suspended;
152 
153 	int onkey1s_held;
154 
155 	struct platform_device *rtc_pdev;
156 	struct platform_device *mbc_pdev;
157 	struct platform_device *adc_pdev;
158 	struct platform_device *input_pdev;
159 	struct platform_device *bl_pdev;
160 	struct platform_device *regulator_pdev[PCF50633_NUM_REGULATORS];
161 };
162 
163 enum pcf50633_reg_int1 {
164 	PCF50633_INT1_ADPINS	= 0x01,	/* Adapter inserted */
165 	PCF50633_INT1_ADPREM	= 0x02,	/* Adapter removed */
166 	PCF50633_INT1_USBINS	= 0x04,	/* USB inserted */
167 	PCF50633_INT1_USBREM	= 0x08,	/* USB removed */
168 	/* reserved */
169 	PCF50633_INT1_ALARM	= 0x40, /* RTC alarm time is reached */
170 	PCF50633_INT1_SECOND	= 0x80,	/* RTC periodic second interrupt */
171 };
172 
173 enum pcf50633_reg_int2 {
174 	PCF50633_INT2_ONKEYR	= 0x01, /* ONKEY rising edge */
175 	PCF50633_INT2_ONKEYF	= 0x02, /* ONKEY falling edge */
176 	PCF50633_INT2_EXTON1R	= 0x04, /* EXTON1 rising edge */
177 	PCF50633_INT2_EXTON1F	= 0x08, /* EXTON1 falling edge */
178 	PCF50633_INT2_EXTON2R	= 0x10, /* EXTON2 rising edge */
179 	PCF50633_INT2_EXTON2F	= 0x20, /* EXTON2 falling edge */
180 	PCF50633_INT2_EXTON3R	= 0x40, /* EXTON3 rising edge */
181 	PCF50633_INT2_EXTON3F	= 0x80, /* EXTON3 falling edge */
182 };
183 
184 enum pcf50633_reg_int3 {
185 	PCF50633_INT3_BATFULL	= 0x01, /* Battery full */
186 	PCF50633_INT3_CHGHALT	= 0x02,	/* Charger halt */
187 	PCF50633_INT3_THLIMON	= 0x04,
188 	PCF50633_INT3_THLIMOFF	= 0x08,
189 	PCF50633_INT3_USBLIMON	= 0x10,
190 	PCF50633_INT3_USBLIMOFF	= 0x20,
191 	PCF50633_INT3_ADCRDY	= 0x40, /* ADC result ready */
192 	PCF50633_INT3_ONKEY1S	= 0x80,	/* ONKEY pressed 1 second */
193 };
194 
195 enum pcf50633_reg_int4 {
196 	PCF50633_INT4_LOWSYS		= 0x01,
197 	PCF50633_INT4_LOWBAT		= 0x02,
198 	PCF50633_INT4_HIGHTMP		= 0x04,
199 	PCF50633_INT4_AUTOPWRFAIL	= 0x08,
200 	PCF50633_INT4_DWN1PWRFAIL	= 0x10,
201 	PCF50633_INT4_DWN2PWRFAIL	= 0x20,
202 	PCF50633_INT4_LEDPWRFAIL	= 0x40,
203 	PCF50633_INT4_LEDOVP		= 0x80,
204 };
205 
206 enum pcf50633_reg_int5 {
207 	PCF50633_INT5_LDO1PWRFAIL	= 0x01,
208 	PCF50633_INT5_LDO2PWRFAIL	= 0x02,
209 	PCF50633_INT5_LDO3PWRFAIL	= 0x04,
210 	PCF50633_INT5_LDO4PWRFAIL	= 0x08,
211 	PCF50633_INT5_LDO5PWRFAIL	= 0x10,
212 	PCF50633_INT5_LDO6PWRFAIL	= 0x20,
213 	PCF50633_INT5_HCLDOPWRFAIL	= 0x40,
214 	PCF50633_INT5_HCLDOOVL		= 0x80,
215 };
216 
217 /* misc. registers */
218 #define PCF50633_REG_OOCSHDWN	0x0c
219 
220 /* LED registers */
221 #define PCF50633_REG_LEDOUT 0x28
222 #define PCF50633_REG_LEDENA 0x29
223 #define PCF50633_REG_LEDCTL 0x2a
224 #define PCF50633_REG_LEDDIM 0x2b
225 
226 static inline struct pcf50633 *dev_to_pcf50633(struct device *dev)
227 {
228 	return dev_get_drvdata(dev);
229 }
230 
231 int pcf50633_irq_init(struct pcf50633 *pcf, int irq);
232 void pcf50633_irq_free(struct pcf50633 *pcf);
233 #ifdef CONFIG_PM
234 int pcf50633_irq_suspend(struct pcf50633 *pcf);
235 int pcf50633_irq_resume(struct pcf50633 *pcf);
236 #endif
237 
238 #endif
239