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/*
* wacom_i2c_func.h - Wacom G5 Digitizer Controller (I2C bus)
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _LINUX_WACOM_I2C_FUNC_H
#define _LINUX_WACOM_I2C_FUNC_H
#ifdef CONFIG_SEC_TOUCHSCREEN_DVFS_LOCK
#include <mach/cpufreq.h>
#define SEC_DVFS_LOCK_TIMEOUT 3
#endif
#ifdef SEC_BUS_LOCK
#include <mach/dev.h>
#define SEC_DVFS_LOCK_TIMEOUT_MS 200
#define SEC_BUS_LOCK_FREQ 267160
#define SEC_BUS_LOCK_FREQ2 400200
#endif
#ifdef COOR_WORK_AROUND
extern unsigned char screen_rotate;
extern unsigned char user_hand;
#endif
#define WACOM_I2C_STOP 0x30
#define WACOM_I2C_START 0x31
#define WACOM_I2C_GRID_CHECK 0xC9
#define WACOM_STATUS 0xD8
#ifdef WACOM_USE_BOXFILTER
extern int g_boxThreshold_C[];
extern int g_boxThreshold_X[];
extern int g_boxThreshold_Y[];
extern int g_boxThreshold_Trs[];
#endif
extern int wacom_i2c_send(struct wacom_i2c *wac_i2c,
const char *buf, int count, bool mode);
extern int wacom_i2c_recv(struct wacom_i2c *wac_i2c,
char *buf, int count, bool mode);
extern int wacom_i2c_test(struct wacom_i2c *wac_i2c);
extern int wacom_i2c_coord(struct wacom_i2c *wac_i2c);
extern int wacom_i2c_query(struct wacom_i2c *wac_i2c);
extern int wacom_checksum(struct wacom_i2c *wac_i2c);
extern void forced_release(struct wacom_i2c *wac_i2c);
#ifdef WACOM_PDCT_WORK_AROUND
extern void forced_hover(struct wacom_i2c *wac_i2c);
#endif
#ifdef WACOM_IRQ_WORK_AROUND
extern void wacom_i2c_pendct_work(struct work_struct *work);
#endif
#ifdef CONFIG_SEC_TOUCHSCREEN_DVFS_LOCK
extern void free_dvfs_lock(struct work_struct *work);
#endif
#endif /* _LINUX_WACOM_I2C_FUNC_H */
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