18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * AD714X CapTouch Programmable Controller driver (bus interfaces) 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright 2009-2011 Analog Devices Inc. 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#ifndef _AD714X_H_ 98c2ecf20Sopenharmony_ci#define _AD714X_H_ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#include <linux/types.h> 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci#define STAGE_NUM 12 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_cistruct device; 168c2ecf20Sopenharmony_cistruct ad714x_platform_data; 178c2ecf20Sopenharmony_cistruct ad714x_driver_data; 188c2ecf20Sopenharmony_cistruct ad714x_chip; 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_citypedef int (*ad714x_read_t)(struct ad714x_chip *, unsigned short, unsigned short *, size_t); 218c2ecf20Sopenharmony_citypedef int (*ad714x_write_t)(struct ad714x_chip *, unsigned short, unsigned short); 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_cistruct ad714x_chip { 248c2ecf20Sopenharmony_ci unsigned short l_state; 258c2ecf20Sopenharmony_ci unsigned short h_state; 268c2ecf20Sopenharmony_ci unsigned short c_state; 278c2ecf20Sopenharmony_ci unsigned short adc_reg[STAGE_NUM]; 288c2ecf20Sopenharmony_ci unsigned short amb_reg[STAGE_NUM]; 298c2ecf20Sopenharmony_ci unsigned short sensor_val[STAGE_NUM]; 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci struct ad714x_platform_data *hw; 328c2ecf20Sopenharmony_ci struct ad714x_driver_data *sw; 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ci int irq; 358c2ecf20Sopenharmony_ci struct device *dev; 368c2ecf20Sopenharmony_ci ad714x_read_t read; 378c2ecf20Sopenharmony_ci ad714x_write_t write; 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci struct mutex mutex; 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ci unsigned product; 428c2ecf20Sopenharmony_ci unsigned version; 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_ci __be16 xfer_buf[16] ____cacheline_aligned; 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ci}; 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_ciint ad714x_disable(struct ad714x_chip *ad714x); 498c2ecf20Sopenharmony_ciint ad714x_enable(struct ad714x_chip *ad714x); 508c2ecf20Sopenharmony_cistruct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, 518c2ecf20Sopenharmony_ci ad714x_read_t read, ad714x_write_t write); 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_ci#endif 54