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27e34995 RV |
1 | /* |
2 | * Copyright (C) ST-Ericsson SA 2010 | |
3 | * | |
4 | * License Terms: GNU General Public License, version 2 | |
5 | * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson | |
6 | */ | |
7 | ||
8 | #ifndef __LINUX_MFD_STMPE_H | |
9 | #define __LINUX_MFD_STMPE_H | |
10 | ||
313162d0 PG |
11 | #include <linux/mutex.h> |
12 | ||
13 | struct device; | |
9c9e3214 | 14 | struct regulator; |
27e34995 RV |
15 | |
16 | enum 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 | ||
25 | enum stmpe_partnum { | |
1cda2394 | 26 | STMPE610, |
7f7f4ea1 | 27 | STMPE801, |
27e34995 | 28 | STMPE811, |
6bb9f0d9 | 29 | STMPE1600, |
27e34995 | 30 | STMPE1601, |
230f13a5 | 31 | STMPE1801, |
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32 | STMPE2401, |
33 | STMPE2403, | |
e31f9b82 | 34 | STMPE_NBR_PARTS |
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35 | }; |
36 | ||
37 | /* | |
38 | * For registers whose locations differ on variants, the correct address is | |
39 | * obtained by indexing stmpe->regs with one of the following. | |
40 | */ | |
41 | enum { | |
42 | STMPE_IDX_CHIP_ID, | |
0f4be8cf PC |
43 | STMPE_IDX_SYS_CTRL, |
44 | STMPE_IDX_SYS_CTRL2, | |
27e34995 RV |
45 | STMPE_IDX_ICR_LSB, |
46 | STMPE_IDX_IER_LSB, | |
897ac667 | 47 | STMPE_IDX_IER_MSB, |
230f13a5 | 48 | STMPE_IDX_ISR_LSB, |
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49 | STMPE_IDX_ISR_MSB, |
50 | STMPE_IDX_GPMR_LSB, | |
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51 | STMPE_IDX_GPMR_CSB, |
52 | STMPE_IDX_GPMR_MSB, | |
27e34995 | 53 | STMPE_IDX_GPSR_LSB, |
897ac667 PC |
54 | STMPE_IDX_GPSR_CSB, |
55 | STMPE_IDX_GPSR_MSB, | |
27e34995 | 56 | STMPE_IDX_GPCR_LSB, |
897ac667 PC |
57 | STMPE_IDX_GPCR_CSB, |
58 | STMPE_IDX_GPCR_MSB, | |
27e34995 | 59 | STMPE_IDX_GPDR_LSB, |
897ac667 PC |
60 | STMPE_IDX_GPDR_CSB, |
61 | STMPE_IDX_GPDR_MSB, | |
62 | STMPE_IDX_GPEDR_LSB, | |
63 | STMPE_IDX_GPEDR_CSB, | |
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64 | STMPE_IDX_GPEDR_MSB, |
65 | STMPE_IDX_GPRER_LSB, | |
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66 | STMPE_IDX_GPRER_CSB, |
67 | STMPE_IDX_GPRER_MSB, | |
27e34995 | 68 | STMPE_IDX_GPFER_LSB, |
897ac667 PC |
69 | STMPE_IDX_GPFER_CSB, |
70 | STMPE_IDX_GPFER_MSB, | |
80e1dd82 LW |
71 | STMPE_IDX_GPPUR_LSB, |
72 | STMPE_IDX_GPPDR_LSB, | |
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73 | STMPE_IDX_GPAFR_U_MSB, |
74 | STMPE_IDX_IEGPIOR_LSB, | |
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75 | STMPE_IDX_IEGPIOR_CSB, |
76 | STMPE_IDX_IEGPIOR_MSB, | |
230f13a5 | 77 | STMPE_IDX_ISGPIOR_LSB, |
897ac667 | 78 | STMPE_IDX_ISGPIOR_CSB, |
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79 | STMPE_IDX_ISGPIOR_MSB, |
80 | STMPE_IDX_MAX, | |
81 | }; | |
82 | ||
83 | ||
84 | struct stmpe_variant_info; | |
1a6e4b74 | 85 | struct stmpe_client_info; |
fc1882dc | 86 | struct stmpe_platform_data; |
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87 | |
88 | /** | |
89 | * struct stmpe - STMPE MFD structure | |
9c9e3214 LW |
90 | * @vcc: optional VCC regulator |
91 | * @vio: optional VIO regulator | |
27e34995 RV |
92 | * @lock: lock protecting I/O operations |
93 | * @irq_lock: IRQ bus lock | |
94 | * @dev: device, mostly for dev_dbg() | |
76f93992 | 95 | * @irq_domain: IRQ domain |
1a6e4b74 VK |
96 | * @client: client - i2c or spi |
97 | * @ci: client specific information | |
4dcaa6b6 | 98 | * @partnum: part number |
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99 | * @variant: the detected STMPE model number |
100 | * @regs: list of addresses of registers which are at different addresses on | |
101 | * different variants. Indexed by one of STMPE_IDX_*. | |
73de16db | 102 | * @irq: irq number for stmpe |
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103 | * @num_gpios: number of gpios, differs for variants |
104 | * @ier: cache of IER registers for bus_lock | |
105 | * @oldier: cache of IER registers for bus_lock | |
106 | * @pdata: platform data | |
107 | */ | |
108 | struct stmpe { | |
9c9e3214 LW |
109 | struct regulator *vcc; |
110 | struct regulator *vio; | |
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111 | struct mutex lock; |
112 | struct mutex irq_lock; | |
113 | struct device *dev; | |
76f93992 | 114 | struct irq_domain *domain; |
1a6e4b74 VK |
115 | void *client; |
116 | struct stmpe_client_info *ci; | |
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117 | enum stmpe_partnum partnum; |
118 | struct stmpe_variant_info *variant; | |
119 | const u8 *regs; | |
120 | ||
73de16db | 121 | int irq; |
27e34995 RV |
122 | int num_gpios; |
123 | u8 ier[2]; | |
124 | u8 oldier[2]; | |
125 | struct stmpe_platform_data *pdata; | |
126 | }; | |
127 | ||
128 | extern int stmpe_reg_write(struct stmpe *stmpe, u8 reg, u8 data); | |
129 | extern int stmpe_reg_read(struct stmpe *stmpe, u8 reg); | |
130 | extern int stmpe_block_read(struct stmpe *stmpe, u8 reg, u8 length, | |
131 | u8 *values); | |
132 | extern int stmpe_block_write(struct stmpe *stmpe, u8 reg, u8 length, | |
133 | const u8 *values); | |
134 | extern int stmpe_set_bits(struct stmpe *stmpe, u8 reg, u8 mask, u8 val); | |
135 | extern int stmpe_set_altfunc(struct stmpe *stmpe, u32 pins, | |
136 | enum stmpe_block block); | |
137 | extern int stmpe_enable(struct stmpe *stmpe, unsigned int blocks); | |
138 | extern int stmpe_disable(struct stmpe *stmpe, unsigned int blocks); | |
139 | ||
b8e9cf0b WS |
140 | #define STMPE_GPIO_NOREQ_811_TOUCH (0xf0) |
141 | ||
27e34995 | 142 | #endif |