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/*
* Copyright (C) 2010-2012 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 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., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307, USA
*/
/* Local header for Atmel maXTouch touchscreens that uses tdat files */
#ifndef _LINUX_ATMXT_H
#define _LINUX_ATMXT_H
#include <linux/types.h>
#include <linux/input/touch_platform.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/mutex.h>
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif
#define ATMXT_DRIVER_VERSION "YN-04-01"
#define ATMXT_DRIVER_DATE "2012-06-28"
#ifdef CONFIG_TOUCHSCREEN_DEBUG
#define atmxt_dbg(dd, level, format, args...) \
{\
if ((dd->dbg->dbg_lvl) >= level) \
printk(KERN_INFO format, ## args); \
}
#else
#define atmxt_dbg(dd, level, format, args...) {}
#endif
#define ATMXT_DBG0 0
#define ATMXT_DBG1 1
#define ATMXT_DBG2 2
#define ATMXT_DBG3 3
#define ATMXT_IRQ_ENABLED_FLAG 0
#define ATMXT_WAITING_FOR_TDAT 1
#define ATMXT_CHECKSUM_FAILED 2
#define ATMXT_IGNORE_CHECKSUM 3
#define ATMXT_REPORT_TOUCHES 4
#define ATMXT_FIXING_CALIBRATION 5
#define ATMXT_RECEIVED_CALIBRATION 6
#define ATMXT_RESTART_REQUIRED 7
#define ATMXT_SET_MESSAGE_POINTER 8
#define ATMXT_I2C_ATTEMPTS 10
#define ATMXT_I2C_WAIT_TIME 50
#define ATMXT_MAX_TOUCHES 10
#define ATMXT_ABS_RESERVED 0xFFFF
#define ATMXT_IC_RESET_HOLD_TIME 1000
enum atmxt_driver_state {
ATMXT_DRV_ACTIVE,
ATMXT_DRV_IDLE,
ATMXT_DRV_REFLASH,
ATMXT_DRV_INIT,
};
static const char * const atmxt_driver_state_string[] = {
"ACTIVE",
"IDLE",
"REFLASH",
"INIT",
};
enum atmxt_ic_state {
ATMXT_IC_ACTIVE,
ATMXT_IC_SLEEP,
ATMXT_IC_UNKNOWN,
ATMXT_IC_BOOTLOADER,
ATMXT_IC_PRESENT,
};
static const char * const atmxt_ic_state_string[] = {
"ACTIVE",
"SLEEP",
"UNKNOWN",
"BOOTLOADER",
"PRESENT",
};
struct atmxt_util_data {
uint8_t *data;
size_t size;
uint8_t *tsett;
uint32_t tsett_size;
uint8_t *fw;
uint32_t fw_size;
uint8_t addr[2];
} __packed;
struct atmxt_nvm {
uint8_t *data;
uint16_t size;
uint8_t addr[2];
uint8_t chksum[3];
} __packed;
struct atmxt_info_block {
uint8_t header[7];
uint8_t *data;
uint8_t size;
uint8_t *msg_id;
uint8_t id_size;
} __packed;
struct atmxt_addr {
uint8_t msg[2];
uint8_t pwr[2];
uint8_t rst[2];
uint8_t nvm[2];
uint8_t cal[2];
uint8_t acq[2];
} __packed;
struct atmxt_data {
uint8_t pwr[2];
uint8_t max_msg_size;
uint8_t touch_id_offset;
bool res[2];
uint8_t acq[6];
unsigned long timer;
uint8_t last_stat;
} __packed;
struct atmxt_touch_data {
bool active;
uint16_t x;
uint16_t y;
uint8_t p;
uint8_t w;
uint8_t id;
} __packed;
struct atmxt_report_data {
uint16_t axis[5];
uint8_t active_touches;
struct atmxt_touch_data tchdat[ATMXT_MAX_TOUCHES];
} __packed;
struct atmxt_debug {
uint8_t dbg_lvl;
uint8_t grp_num;
uint8_t grp_off;
} __packed;
struct atmxt_driver_data {
struct touch_platform_data *pdata;
struct atmxt_util_data *util;
struct i2c_client *client;
struct mutex *mutex;
struct input_dev *in_dev;
#ifdef CONFIG_HAS_EARLYSUSPEND
struct early_suspend es;
#endif
enum atmxt_driver_state drv_stat;
enum atmxt_ic_state ic_stat;
struct atmxt_info_block *info_blk;
struct atmxt_nvm *nvm;
struct atmxt_addr *addr;
struct atmxt_data *data;
struct atmxt_report_data *rdat;
struct atmxt_debug *dbg;
uint16_t status;
uint16_t settings;
} __packed;
#endif /* _LINUX_ATMXT_H */
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