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/
usr
/
src
/
linux-headers-6.8.0-36
/
include
/
linux
/
mfd
/ [
drwxr-xr-x
]
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stmpe.h
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson SA 2010 * * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson */ #ifndef __LINUX_MFD_STMPE_H #define __LINUX_MFD_STMPE_H #include <linux/mutex.h> #define STMPE_SAMPLE_TIME(x) ((x & 0xf) << 4) #define STMPE_MOD_12B(x) ((x & 0x1) << 3) #define STMPE_REF_SEL(x) ((x & 0x1) << 1) #define STMPE_ADC_FREQ(x) (x & 0x3) #define STMPE_AVE_CTRL(x) ((x & 0x3) << 6) #define STMPE_DET_DELAY(x) ((x & 0x7) << 3) #define STMPE_SETTLING(x) (x & 0x7) #define STMPE_FRACTION_Z(x) (x & 0x7) #define STMPE_I_DRIVE(x) (x & 0x1) #define STMPE_OP_MODE(x) ((x & 0x7) << 1) #define STMPE811_REG_ADC_CTRL1 0x20 #define STMPE811_REG_ADC_CTRL2 0x21 struct device; struct regulator; enum stmpe_block { STMPE_BLOCK_GPIO = 1 << 0, STMPE_BLOCK_KEYPAD = 1 << 1, STMPE_BLOCK_TOUCHSCREEN = 1 << 2, STMPE_BLOCK_ADC = 1 << 3, STMPE_BLOCK_PWM = 1 << 4, STMPE_BLOCK_ROTATOR = 1 << 5, }; enum stmpe_partnum { STMPE610, STMPE801, STMPE811, STMPE1600, STMPE1601, STMPE1801, STMPE2401, STMPE2403, STMPE_NBR_PARTS }; /* * For registers whose locations differ on variants, the correct address is * obtained by indexing stmpe->regs with one of the following. */ enum { STMPE_IDX_CHIP_ID, STMPE_IDX_SYS_CTRL, STMPE_IDX_SYS_CTRL2, STMPE_IDX_ICR_LSB, STMPE_IDX_IER_LSB, STMPE_IDX_IER_MSB, STMPE_IDX_ISR_LSB, STMPE_IDX_ISR_MSB, STMPE_IDX_GPMR_LSB, STMPE_IDX_GPMR_CSB, STMPE_IDX_GPMR_MSB, STMPE_IDX_GPSR_LSB, STMPE_IDX_GPSR_CSB, STMPE_IDX_GPSR_MSB, STMPE_IDX_GPCR_LSB, STMPE_IDX_GPCR_CSB, STMPE_IDX_GPCR_MSB, STMPE_IDX_GPDR_LSB, STMPE_IDX_GPDR_CSB, STMPE_IDX_GPDR_MSB, STMPE_IDX_GPEDR_LSB, STMPE_IDX_GPEDR_CSB, STMPE_IDX_GPEDR_MSB, STMPE_IDX_GPRER_LSB, STMPE_IDX_GPRER_CSB, STMPE_IDX_GPRER_MSB, STMPE_IDX_GPFER_LSB, STMPE_IDX_GPFER_CSB, STMPE_IDX_GPFER_MSB, STMPE_IDX_GPPUR_LSB, STMPE_IDX_GPPDR_LSB, STMPE_IDX_GPAFR_U_MSB, STMPE_IDX_IEGPIOR_LSB, STMPE_IDX_IEGPIOR_CSB, STMPE_IDX_IEGPIOR_MSB, STMPE_IDX_ISGPIOR_LSB, STMPE_IDX_ISGPIOR_CSB, STMPE_IDX_ISGPIOR_MSB, STMPE_IDX_MAX, }; struct stmpe_variant_info; struct stmpe_client_info; struct stmpe_platform_data; /** * struct stmpe - STMPE MFD structure * @vcc: optional VCC regulator * @vio: optional VIO regulator * @lock: lock protecting I/O operations * @irq_lock: IRQ bus lock * @dev: device, mostly for dev_dbg() * @irq_domain: IRQ domain * @client: client - i2c or spi * @ci: client specific information * @partnum: part number * @variant: the detected STMPE model number * @regs: list of addresses of registers which are at different addresses on * different variants. Indexed by one of STMPE_IDX_*. * @irq: irq number for stmpe * @num_gpios: number of gpios, differs for variants * @ier: cache of IER registers for bus_lock * @oldier: cache of IER registers for bus_lock * @pdata: platform data */ struct stmpe { struct regulator *vcc; struct regulator *vio; struct mutex lock; struct mutex irq_lock; struct device *dev; struct irq_domain *domain; void *client; struct stmpe_client_info *ci; enum stmpe_partnum partnum; struct stmpe_variant_info *variant; const u8 *regs; int irq; int num_gpios; u8 ier[2]; u8 oldier[2]; struct stmpe_platform_data *pdata; /* For devices that use an ADC */ u8 sample_time; u8 mod_12b; u8 ref_sel; u8 adc_freq; }; extern int stmpe_reg_write(struct stmpe *stmpe, u8 reg, u8 data); extern int stmpe_reg_read(struct stmpe *stmpe, u8 reg); extern int stmpe_block_read(struct stmpe *stmpe, u8 reg, u8 length, u8 *values); extern int stmpe_block_write(struct stmpe *stmpe, u8 reg, u8 length, const u8 *values); extern int stmpe_set_bits(struct stmpe *stmpe, u8 reg, u8 mask, u8 val); extern int stmpe_set_altfunc(struct stmpe *stmpe, u32 pins, enum stmpe_block block); extern int stmpe_enable(struct stmpe *stmpe, unsigned int blocks); extern int stmpe_disable(struct stmpe *stmpe, unsigned int blocks); extern int stmpe811_adc_common_init(struct stmpe *stmpe); #define STMPE_GPIO_NOREQ_811_TOUCH (0xf0) #endif
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