1. 根目录:
2. include
3. linux
4. platform_data
5. cyttsp4.h

/*
 * Header file for:
 * Cypress TrueTouch(TM) Standard Product (TTSP) touchscreen drivers.
 * For use with Cypress Txx3xx parts.
 * Supported parts include:
 * CY8CTST341
 * CY8CTMA340
 *
 * Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc.
 * Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2, and only version 2, as published by the
 * Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Contact Cypress Semiconductor at www.cypress.com (kev@cypress.com)
 *
 */
#ifndef _CYTTSP4_H_
#define _CYTTSP4_H_

#define CYTTSP4_MT_NAME "cyttsp4_mt"
#define CYTTSP4_I2C_NAME "cyttsp4_i2c_adapter"
#define CYTTSP4_SPI_NAME "cyttsp4_spi_adapter"

#define CY_TOUCH_SETTINGS_MAX 32

struct touch_framework {
	const uint16_t  *abs;
	uint8_t         size;
	uint8_t         enable_vkeys;
} __packed;

struct cyttsp4_mt_platform_data {
	struct touch_framework *frmwrk;
	unsigned short flags;
	char const *inp_dev_name;
};

struct touch_settings {
	const uint8_t *data;
	uint32_t size;
	uint8_t tag;
} __packed;

struct cyttsp4_core_platform_data {
	int irq_gpio;
	int rst_gpio;
	int level_irq_udelay;
	int (*xres)(struct cyttsp4_core_platform_data *pdata,
		struct device *dev);
	int (*init)(struct cyttsp4_core_platform_data *pdata,
		int on, struct device *dev);
	int (*power)(struct cyttsp4_core_platform_data *pdata,
		int on, struct device *dev, atomic_t *ignore_irq);
	int (*irq_stat)(struct cyttsp4_core_platform_data *pdata,
		struct device *dev);
	struct touch_settings *sett[CY_TOUCH_SETTINGS_MAX];
};

struct cyttsp4_platform_data {
	struct cyttsp4_core_platform_data *core_pdata;
	struct cyttsp4_mt_platform_data *mt_pdata;
};

#endif /* _CYTTSP4_H_ */