1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * core.h  -- Core driver for NXP PCF50633
4  *
5  * (C) 2006-2008 by Openmoko, Inc.
6  * All rights reserved.
7  */
8 
9 #ifndef __LINUX_MFD_PCF50633_CORE_H
10 #define __LINUX_MFD_PCF50633_CORE_H
11 
12 #include <linux/i2c.h>
13 #include <linux/workqueue.h>
14 #include <linux/regulator/driver.h>
15 #include <linux/regulator/machine.h>
16 #include <linux/pm.h>
17 #include <linux/power_supply.h>
18 #include <linux/mfd/pcf50633/backlight.h>
19 
20 struct pcf50633;
21 struct regmap;
22 
23 #define PCF50633_NUM_REGULATORS	11
24 
25 struct pcf50633_platform_data {
26 	struct regulator_init_data reg_init_data[PCF50633_NUM_REGULATORS];
27 
28 	char **batteries;
29 	int num_batteries;
30 
31 	/*
32 	 * Should be set accordingly to the reference resistor used, see
33 	 * I_{ch(ref)} charger reference current in the pcf50633 User
34 	 * Manual.
35 	 */
36 	int charger_reference_current_ma;
37 
38 	/* Callbacks */
39 	void (*probe_done)(struct pcf50633 *);
40 	void (*mbc_event_callback)(struct pcf50633 *, int);
41 	void (*regulator_registered)(struct pcf50633 *, int);
42 	void (*force_shutdown)(struct pcf50633 *);
43 
44 	u8 resumers[5];
45 
46 	struct pcf50633_bl_platform_data *backlight_data;
47 };
48 
49 struct pcf50633_irq {
50 	void (*handler) (int, void *);
51 	void *data;
52 };
53 
54 int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
55 			void (*handler) (int, void *), void *data);
56 int pcf50633_free_irq(struct pcf50633 *pcf, int irq);
57 
58 int pcf50633_irq_mask(struct pcf50633 *pcf, int irq);
59 int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq);
60 int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq);
61 
62 int pcf50633_read_block(struct pcf50633 *, u8 reg,
63 					int nr_regs, u8 *data);
64 int pcf50633_write_block(struct pcf50633 *pcf, u8 reg,
65 					int nr_regs, u8 *data);
66 u8 pcf50633_reg_read(struct pcf50633 *, u8 reg);
67 int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val);
68 
69 int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val);
70 int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 bits);
71 
72 /* Interrupt registers */
73 
74 #define PCF50633_REG_INT1	0x02
75 #define PCF50633_REG_INT2	0x03
76 #define PCF50633_REG_INT3	0x04
77 #define PCF50633_REG_INT4	0x05
78 #define PCF50633_REG_INT5	0x06
79 
80 #define PCF50633_REG_INT1M	0x07
81 #define PCF50633_REG_INT2M	0x08
82 #define PCF50633_REG_INT3M	0x09
83 #define PCF50633_REG_INT4M	0x0a
84 #define PCF50633_REG_INT5M	0x0b
85 
86 enum {
87 	/* Chip IRQs */
88 	PCF50633_IRQ_ADPINS,
89 	PCF50633_IRQ_ADPREM,
90 	PCF50633_IRQ_USBINS,
91 	PCF50633_IRQ_USBREM,
92 	PCF50633_IRQ_RESERVED1,
93 	PCF50633_IRQ_RESERVED2,
94 	PCF50633_IRQ_ALARM,
95 	PCF50633_IRQ_SECOND,
96 	PCF50633_IRQ_ONKEYR,
97 	PCF50633_IRQ_ONKEYF,
98 	PCF50633_IRQ_EXTON1R,
99 	PCF50633_IRQ_EXTON1F,
100 	PCF50633_IRQ_EXTON2R,
101 	PCF50633_IRQ_EXTON2F,
102 	PCF50633_IRQ_EXTON3R,
103 	PCF50633_IRQ_EXTON3F,
104 	PCF50633_IRQ_BATFULL,
105 	PCF50633_IRQ_CHGHALT,
106 	PCF50633_IRQ_THLIMON,
107 	PCF50633_IRQ_THLIMOFF,
108 	PCF50633_IRQ_USBLIMON,
109 	PCF50633_IRQ_USBLIMOFF,
110 	PCF50633_IRQ_ADCRDY,
111 	PCF50633_IRQ_ONKEY1S,
112 	PCF50633_IRQ_LOWSYS,
113 	PCF50633_IRQ_LOWBAT,
114 	PCF50633_IRQ_HIGHTMP,
115 	PCF50633_IRQ_AUTOPWRFAIL,
116 	PCF50633_IRQ_DWN1PWRFAIL,
117 	PCF50633_IRQ_DWN2PWRFAIL,
118 	PCF50633_IRQ_LEDPWRFAIL,
119 	PCF50633_IRQ_LEDOVP,
120 	PCF50633_IRQ_LDO1PWRFAIL,
121 	PCF50633_IRQ_LDO2PWRFAIL,
122 	PCF50633_IRQ_LDO3PWRFAIL,
123 	PCF50633_IRQ_LDO4PWRFAIL,
124 	PCF50633_IRQ_LDO5PWRFAIL,
125 	PCF50633_IRQ_LDO6PWRFAIL,
126 	PCF50633_IRQ_HCLDOPWRFAIL,
127 	PCF50633_IRQ_HCLDOOVL,
128 
129 	/* Always last */
130 	PCF50633_NUM_IRQ,
131 };
132 
133 struct pcf50633 {
134 	struct device *dev;
135 	struct regmap *regmap;
136 
137 	struct pcf50633_platform_data *pdata;
138 	int irq;
139 	struct pcf50633_irq irq_handler[PCF50633_NUM_IRQ];
140 	struct work_struct irq_work;
141 	struct workqueue_struct *work_queue;
142 	struct mutex lock;
143 
144 	u8 mask_regs[5];
145 
146 	u8 suspend_irq_masks[5];
147 	u8 resume_reason[5];
148 	int is_suspended;
149 
150 	int onkey1s_held;
151 
152 	struct platform_device *rtc_pdev;
153 	struct platform_device *mbc_pdev;
154 	struct platform_device *adc_pdev;
155 	struct platform_device *input_pdev;
156 	struct platform_device *bl_pdev;
157 	struct platform_device *regulator_pdev[PCF50633_NUM_REGULATORS];
158 };
159 
160 enum pcf50633_reg_int1 {
161 	PCF50633_INT1_ADPINS	= 0x01,	/* Adapter inserted */
162 	PCF50633_INT1_ADPREM	= 0x02,	/* Adapter removed */
163 	PCF50633_INT1_USBINS	= 0x04,	/* USB inserted */
164 	PCF50633_INT1_USBREM	= 0x08,	/* USB removed */
165 	/* reserved */
166 	PCF50633_INT1_ALARM	= 0x40, /* RTC alarm time is reached */
167 	PCF50633_INT1_SECOND	= 0x80,	/* RTC periodic second interrupt */
168 };
169 
170 enum pcf50633_reg_int2 {
171 	PCF50633_INT2_ONKEYR	= 0x01, /* ONKEY rising edge */
172 	PCF50633_INT2_ONKEYF	= 0x02, /* ONKEY falling edge */
173 	PCF50633_INT2_EXTON1R	= 0x04, /* EXTON1 rising edge */
174 	PCF50633_INT2_EXTON1F	= 0x08, /* EXTON1 falling edge */
175 	PCF50633_INT2_EXTON2R	= 0x10, /* EXTON2 rising edge */
176 	PCF50633_INT2_EXTON2F	= 0x20, /* EXTON2 falling edge */
177 	PCF50633_INT2_EXTON3R	= 0x40, /* EXTON3 rising edge */
178 	PCF50633_INT2_EXTON3F	= 0x80, /* EXTON3 falling edge */
179 };
180 
181 enum pcf50633_reg_int3 {
182 	PCF50633_INT3_BATFULL	= 0x01, /* Battery full */
183 	PCF50633_INT3_CHGHALT	= 0x02,	/* Charger halt */
184 	PCF50633_INT3_THLIMON	= 0x04,
185 	PCF50633_INT3_THLIMOFF	= 0x08,
186 	PCF50633_INT3_USBLIMON	= 0x10,
187 	PCF50633_INT3_USBLIMOFF	= 0x20,
188 	PCF50633_INT3_ADCRDY	= 0x40, /* ADC result ready */
189 	PCF50633_INT3_ONKEY1S	= 0x80,	/* ONKEY pressed 1 second */
190 };
191 
192 enum pcf50633_reg_int4 {
193 	PCF50633_INT4_LOWSYS		= 0x01,
194 	PCF50633_INT4_LOWBAT		= 0x02,
195 	PCF50633_INT4_HIGHTMP		= 0x04,
196 	PCF50633_INT4_AUTOPWRFAIL	= 0x08,
197 	PCF50633_INT4_DWN1PWRFAIL	= 0x10,
198 	PCF50633_INT4_DWN2PWRFAIL	= 0x20,
199 	PCF50633_INT4_LEDPWRFAIL	= 0x40,
200 	PCF50633_INT4_LEDOVP		= 0x80,
201 };
202 
203 enum pcf50633_reg_int5 {
204 	PCF50633_INT5_LDO1PWRFAIL	= 0x01,
205 	PCF50633_INT5_LDO2PWRFAIL	= 0x02,
206 	PCF50633_INT5_LDO3PWRFAIL	= 0x04,
207 	PCF50633_INT5_LDO4PWRFAIL	= 0x08,
208 	PCF50633_INT5_LDO5PWRFAIL	= 0x10,
209 	PCF50633_INT5_LDO6PWRFAIL	= 0x20,
210 	PCF50633_INT5_HCLDOPWRFAIL	= 0x40,
211 	PCF50633_INT5_HCLDOOVL		= 0x80,
212 };
213 
214 /* misc. registers */
215 #define PCF50633_REG_OOCSHDWN	0x0c
216 
217 /* LED registers */
218 #define PCF50633_REG_LEDOUT 0x28
219 #define PCF50633_REG_LEDENA 0x29
220 #define PCF50633_REG_LEDCTL 0x2a
221 #define PCF50633_REG_LEDDIM 0x2b
222 
dev_to_pcf50633(struct device * dev)223 static inline struct pcf50633 *dev_to_pcf50633(struct device *dev)
224 {
225 	return dev_get_drvdata(dev);
226 }
227 
228 int pcf50633_irq_init(struct pcf50633 *pcf, int irq);
229 void pcf50633_irq_free(struct pcf50633 *pcf);
230 extern const struct dev_pm_ops pcf50633_pm;
231 
232 #endif
233