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8#ifndef __LINUX_MFD_STMPE_H
9#define __LINUX_MFD_STMPE_H
10
11#include <linux/mutex.h>
12
13struct device;
14struct regulator;
15
16enum stmpe_block {
17 STMPE_BLOCK_GPIO = 1 << 0,
18 STMPE_BLOCK_KEYPAD = 1 << 1,
19 STMPE_BLOCK_TOUCHSCREEN = 1 << 2,
20 STMPE_BLOCK_ADC = 1 << 3,
21 STMPE_BLOCK_PWM = 1 << 4,
22 STMPE_BLOCK_ROTATOR = 1 << 5,
23};
24
25enum stmpe_partnum {
26 STMPE610,
27 STMPE801,
28 STMPE811,
29 STMPE1600,
30 STMPE1601,
31 STMPE1801,
32 STMPE2401,
33 STMPE2403,
34 STMPE_NBR_PARTS
35};
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40
41enum {
42 STMPE_IDX_CHIP_ID,
43 STMPE_IDX_SYS_CTRL,
44 STMPE_IDX_SYS_CTRL2,
45 STMPE_IDX_ICR_LSB,
46 STMPE_IDX_IER_LSB,
47 STMPE_IDX_IER_MSB,
48 STMPE_IDX_ISR_LSB,
49 STMPE_IDX_ISR_MSB,
50 STMPE_IDX_GPMR_LSB,
51 STMPE_IDX_GPMR_CSB,
52 STMPE_IDX_GPMR_MSB,
53 STMPE_IDX_GPSR_LSB,
54 STMPE_IDX_GPSR_CSB,
55 STMPE_IDX_GPSR_MSB,
56 STMPE_IDX_GPCR_LSB,
57 STMPE_IDX_GPCR_CSB,
58 STMPE_IDX_GPCR_MSB,
59 STMPE_IDX_GPDR_LSB,
60 STMPE_IDX_GPDR_CSB,
61 STMPE_IDX_GPDR_MSB,
62 STMPE_IDX_GPEDR_LSB,
63 STMPE_IDX_GPEDR_CSB,
64 STMPE_IDX_GPEDR_MSB,
65 STMPE_IDX_GPRER_LSB,
66 STMPE_IDX_GPRER_CSB,
67 STMPE_IDX_GPRER_MSB,
68 STMPE_IDX_GPFER_LSB,
69 STMPE_IDX_GPFER_CSB,
70 STMPE_IDX_GPFER_MSB,
71 STMPE_IDX_GPPUR_LSB,
72 STMPE_IDX_GPPDR_LSB,
73 STMPE_IDX_GPAFR_U_MSB,
74 STMPE_IDX_IEGPIOR_LSB,
75 STMPE_IDX_IEGPIOR_CSB,
76 STMPE_IDX_IEGPIOR_MSB,
77 STMPE_IDX_ISGPIOR_LSB,
78 STMPE_IDX_ISGPIOR_CSB,
79 STMPE_IDX_ISGPIOR_MSB,
80 STMPE_IDX_MAX,
81};
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84struct stmpe_variant_info;
85struct stmpe_client_info;
86struct stmpe_platform_data;
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108struct stmpe {
109 struct regulator *vcc;
110 struct regulator *vio;
111 struct mutex lock;
112 struct mutex irq_lock;
113 struct device *dev;
114 struct irq_domain *domain;
115 void *client;
116 struct stmpe_client_info *ci;
117 enum stmpe_partnum partnum;
118 struct stmpe_variant_info *variant;
119 const u8 *regs;
120
121 int irq;
122 int num_gpios;
123 u8 ier[2];
124 u8 oldier[2];
125 struct stmpe_platform_data *pdata;
126};
127
128extern int stmpe_reg_write(struct stmpe *stmpe, u8 reg, u8 data);
129extern int stmpe_reg_read(struct stmpe *stmpe, u8 reg);
130extern int stmpe_block_read(struct stmpe *stmpe, u8 reg, u8 length,
131 u8 *values);
132extern int stmpe_block_write(struct stmpe *stmpe, u8 reg, u8 length,
133 const u8 *values);
134extern int stmpe_set_bits(struct stmpe *stmpe, u8 reg, u8 mask, u8 val);
135extern int stmpe_set_altfunc(struct stmpe *stmpe, u32 pins,
136 enum stmpe_block block);
137extern int stmpe_enable(struct stmpe *stmpe, unsigned int blocks);
138extern int stmpe_disable(struct stmpe *stmpe, unsigned int blocks);
139
140#define STMPE_GPIO_NOREQ_811_TOUCH (0xf0)
141
142#endif
143