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)