2 * Copyright (C) ST-Ericsson SA 2010
4 * License Terms: GNU General Public License, version 2
5 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
8 #ifndef __LINUX_MFD_STMPE_H
9 #define __LINUX_MFD_STMPE_H
11 #include <linux/mutex.h>
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,
37 * For registers whose locations differ on variants, the correct address is
38 * obtained by indexing stmpe->regs with one of the following.
55 STMPE_IDX_GPAFR_U_MSB
,
56 STMPE_IDX_IEGPIOR_LSB
,
57 STMPE_IDX_ISGPIOR_LSB
,
58 STMPE_IDX_ISGPIOR_MSB
,
63 struct stmpe_variant_info
;
64 struct stmpe_client_info
;
65 struct stmpe_platform_data
;
68 * struct stmpe - STMPE MFD structure
69 * @vcc: optional VCC regulator
70 * @vio: optional VIO regulator
71 * @lock: lock protecting I/O operations
72 * @irq_lock: IRQ bus lock
73 * @dev: device, mostly for dev_dbg()
74 * @irq_domain: IRQ domain
75 * @client: client - i2c or spi
76 * @ci: client specific information
77 * @partnum: part number
78 * @variant: the detected STMPE model number
79 * @regs: list of addresses of registers which are at different addresses on
80 * different variants. Indexed by one of STMPE_IDX_*.
81 * @irq: irq number for stmpe
82 * @num_gpios: number of gpios, differs for variants
83 * @ier: cache of IER registers for bus_lock
84 * @oldier: cache of IER registers for bus_lock
85 * @pdata: platform data
88 struct regulator
*vcc
;
89 struct regulator
*vio
;
91 struct mutex irq_lock
;
93 struct irq_domain
*domain
;
95 struct stmpe_client_info
*ci
;
96 enum stmpe_partnum partnum
;
97 struct stmpe_variant_info
*variant
;
104 struct stmpe_platform_data
*pdata
;
107 extern int stmpe_reg_write(struct stmpe
*stmpe
, u8 reg
, u8 data
);
108 extern int stmpe_reg_read(struct stmpe
*stmpe
, u8 reg
);
109 extern int stmpe_block_read(struct stmpe
*stmpe
, u8 reg
, u8 length
,
111 extern int stmpe_block_write(struct stmpe
*stmpe
, u8 reg
, u8 length
,
113 extern int stmpe_set_bits(struct stmpe
*stmpe
, u8 reg
, u8 mask
, u8 val
);
114 extern int stmpe_set_altfunc(struct stmpe
*stmpe
, u32 pins
,
115 enum stmpe_block block
);
116 extern int stmpe_enable(struct stmpe
*stmpe
, unsigned int blocks
);
117 extern int stmpe_disable(struct stmpe
*stmpe
, unsigned int blocks
);
119 #define STMPE_GPIO_NOREQ_811_TOUCH (0xf0)
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