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/*
* Header file for:
* Cypress TrueTouch(TM) Standard Product (TTSP) touchscreen drivers.
* For use with Cypress Gen4 and Solo parts.
* Supported parts include:
* CY8CTMA398
* CY8CTMA884
*
* Copyright (C) 2009-2011 Cypress Semiconductor, Inc.
* Copyright (C) 2011 Motorola Mobility, Inc.
*
* 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_CORE_H__
#define __CYTTSP4_CORE_H__
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/err.h>
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif
/* #define CONFIG_TOUCHSCREEN_DEBUG */
#define CY_NUM_RETRY 10 /* max retries for rd/wr ops */
#define CY_I2C_NAME "cyttsp4-i2c"
#define CY_DRIVER_VERSION "Rev4-2M-20"
#define CY_DRIVER_DATE "2011-08-17"
#define CY_TCH_I2C_ADDR 0x67
#define CY_LDR_I2C_ADDR 0x69
#ifdef CONFIG_TOUCHSCREEN_DEBUG
/* use the following defines for dynamic debug printing */
/*
* Level 0: Default Level
* All debug (cyttsp_dbg) prints turned off
*/
#define CY_DBG_LVL_0 0
/*
* Level 1: Used to verify driver and IC are working
* Input from IC, output to event queue
*/
#define CY_DBG_LVL_1 1
/*
* Level 2: Used to further verify/debug the IC
* Output to IC
*/
#define CY_DBG_LVL_2 2
/*
* Level 3: Used to further verify/debug the driver
* Driver internals
*/
#define CY_DBG_LVL_3 3
#endif
#ifdef CONFIG_TOUCHSCREEN_DEBUG
#define cyttsp4_dbg(ts, l, f, a...) {\
if (ts->bus_ops->tsdebug >= (l))\
pr_info(f, ## a);\
}
#else
#define cyttsp4_dbg(ts, l, f, a...)
#endif
struct cyttsp4_bus_ops {
s32 (*write)(void *handle, u16 subaddr, u8 length, const void *values,
int i2c_addr, bool use_subaddr);
s32 (*read)(void *handle, u16 subaddr, u8 length, void *values,
int i2c_addr, bool use_subaddr);
struct device *dev;
#ifdef CONFIG_TOUCHSCREEN_DEBUG
u8 tsdebug;
#endif
};
void *cyttsp4_core_init(struct cyttsp4_bus_ops *bus_ops,
struct device *dev, int irq, char *name);
void cyttsp4_core_release(void *handle);
#if defined(CONFIG_PM) || defined(CONFIG_HAS_EARLY_SUSPEND)
int cyttsp4_resume(void *handle);
int cyttsp4_suspend(void *handle);
#endif
#endif /* __CYTTSP4_CORE_H__ */
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