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be0aa661928e8a4ecfd143a5dd8bac831f4fab0a
android_kernel_motorola_sm6225/include/linux/touchscreen_mmi.h
T
Wenge Zhu 31a13f0565 Support touch under water detection 
TP:
Support touch under water detection.

Change-Id: If079e97c34100c54d07d25b9486f32b37d2fcefe
Signed-off-by: Wenge Zhu <zhuwg1@motorola.com>
Reviewed-on: https://gerrit.mot.com/2434461
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jun Weng <wengjun1@motorola.com>
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
2022-12-06 20:01:44 -06:00

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/*
* Copyright (C) 2019 Motorola Mobility LLC
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*/
#ifndef __LINUX_TOUCHSCREEN_MMI_H_
#define __LINUX_TOUCHSCREEN_MMI_H_
#include <linux/list.h>
#include <linux/device.h>
#include <linux/kfifo.h>
#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/input.h>
#include <linux/mmi_kernel_common.h>
#include <linux/mmi_relay.h>
#if defined(CONFIG_PANEL_NOTIFICATIONS)
#include <linux/panel_notifier.h>
#define REGISTER_PANEL_NOTIFIER {\
touch_cdev->panel_nb.notifier_call = ts_mmi_panel_cb; \
ret = panel_register_notifier(&touch_cdev->panel_nb); \
}
#define UNREGISTER_PANEL_NOTIFIER {\
panel_unregister_notifier(&touch_cdev->panel_nb); \
}
#define GET_CONTROL_DSI_INDEX { \
if (evd) \
idx = *(int *)evd; \
}
#define EVENT_PRE_DISPLAY_OFF \
(event == PANEL_EVENT_PRE_DISPLAY_OFF)
#define EVENT_DISPLAY_OFF \
(event == PANEL_EVENT_DISPLAY_OFF)
#define EVENT_PRE_DISPLAY_ON \
(event == PANEL_EVENT_PRE_DISPLAY_ON)
#define EVENT_DISPLAY_ON \
(event == PANEL_EVENT_DISPLAY_ON)
#else /* CONFIG_PANEL_NOTIFICATIONS */
#if defined(CONFIG_DRM_PANEL_EVENT_NOTIFICATIONS)
#include <linux/soc/qcom/panel_event_notifier.h>
#define REGISTER_PANEL_NOTIFIER { \
void *cookie = NULL; \
struct ts_mmi_dev_pdata *ppdata = &touch_cdev->pdata; \
if (!ppdata->ctrl_dsi) { \
cookie = panel_event_notifier_register(PANEL_EVENT_NOTIFICATION_PRIMARY, \
PANEL_EVENT_NOTIFIER_CLIENT_PRIMARY_TOUCH, touch_cdev->active_panel, \
&ts_mmi_panel_cb, touch_cdev); \
} else { \
cookie = panel_event_notifier_register(PANEL_EVENT_NOTIFICATION_SECONDARY, \
PANEL_EVENT_NOTIFIER_CLIENT_SECONDARY_TOUCH, touch_cdev->active_panel, \
&ts_mmi_panel_cb, touch_cdev); \
} \
if (!cookie) \
ret = -1; \
else \
touch_cdev->notifier_cookie = cookie; \
}
#define UNREGISTER_PANEL_NOTIFIER { \
panel_event_notifier_unregister(touch_cdev->notifier_cookie); \
}
#define EVENT_PRE_DISPLAY_OFF \
((event == DRM_PANEL_EVENT_BLANK) && \
(evdata.early_trigger))
#define EVENT_DISPLAY_OFF \
((event == DRM_PANEL_EVENT_BLANK) && \
(!evdata.early_trigger))
#define EVENT_PRE_DISPLAY_ON \
((event == DRM_PANEL_EVENT_UNBLANK) && \
(evdata.early_trigger))
#define EVENT_DISPLAY_ON \
((event == DRM_PANEL_EVENT_UNBLANK) && \
(!evdata.early_trigger))
#else /* CONFIG_DRM_PANEL_EVENT_NOTIFICATIONS */
#if defined(CONFIG_DRM_PANEL_NOTIFICATIONS)
#include <drm/drm_panel.h>
#define REGISTER_PANEL_NOTIFIER {\
touch_cdev->panel_nb.notifier_call = ts_mmi_panel_cb; \
ret = drm_panel_notifier_register(touch_cdev->active_panel, &touch_cdev->panel_nb); \
}
#define UNREGISTER_PANEL_NOTIFIER {\
drm_panel_notifier_unregister(touch_cdev->active_panel, &touch_cdev->panel_nb);\
}
#define GET_CONTROL_DSI_INDEX \
int *blank; \
struct drm_panel_notifier *evdata = evd; \
{ \
if (!(evdata && evdata->data)) { \
dev_dbg(DEV_MMI, "%s: invalid evdata\n", __func__); \
return 0; \
} \
idx = 0;\
blank = (int *)evdata->data; \
dev_dbg(DEV_MMI, "%s: drm notification: event = %lu, blank = %d\n", \
__func__, event, *blank); \
}
#define EVENT_PRE_DISPLAY_OFF \
((event == DRM_PANEL_EARLY_EVENT_BLANK) && \
(*blank == DRM_PANEL_BLANK_POWERDOWN))
#define EVENT_DISPLAY_OFF \
((event == DRM_PANEL_EVENT_BLANK) && \
(*blank == DRM_PANEL_BLANK_POWERDOWN))
#define EVENT_PRE_DISPLAY_ON \
((event == DRM_PANEL_EARLY_EVENT_BLANK) && \
(*blank == DRM_PANEL_BLANK_UNBLANK))
#define EVENT_DISPLAY_ON \
((event == DRM_PANEL_EVENT_BLANK) && \
(*blank == DRM_PANEL_BLANK_UNBLANK))
#else /* CONFIG_DRM_PANEL_NOTIFICATIONS */
#if LINUX_VERSION_CODE <= KERNEL_VERSION(4,14,0)
#if defined(CONFIG_DRM_MSM)
#include <linux/msm_drm_notify.h>
#define REGISTER_PANEL_NOTIFIER {\
touch_cdev->panel_nb.notifier_call = ts_mmi_panel_cb; \
ret = msm_drm_register_client(&touch_cdev->panel_nb); \
}
#define UNREGISTER_PANEL_NOTIFIER {\
msm_drm_unregister_client(&touch_cdev->panel_nb); \
}
#define GET_CONTROL_DSI_INDEX \
int *blank; \
struct msm_drm_notifier *evdata = evd; \
{ \
if (!(evdata && evdata->data)) { \
dev_dbg(DEV_MMI, "%s: invalid evdata\n", __func__); \
return 0; \
} \
idx = evdata->id; \
blank = (int *)evdata->data; \
dev_dbg(DEV_MMI, "%s: drm notification: event = %lu, blank = %d\n", \
__func__, event, *blank); \
}
#define EVENT_PRE_DISPLAY_OFF \
((event == MSM_DRM_EARLY_EVENT_BLANK) && \
(*blank == MSM_DRM_BLANK_POWERDOWN))
#define EVENT_DISPLAY_OFF \
((event == MSM_DRM_EVENT_BLANK) && \
(*blank == MSM_DRM_BLANK_POWERDOWN))
#define EVENT_PRE_DISPLAY_ON \
((event == MSM_DRM_EARLY_EVENT_BLANK) && \
(*blank == MSM_DRM_BLANK_UNBLANK))
#define EVENT_DISPLAY_ON \
((event == MSM_DRM_EVENT_BLANK) && \
(*blank == MSM_DRM_BLANK_UNBLANK))
/* enable internal config option to refernece in the code */
#define CONFIG_MSM_DRM_NOTIFICATIONS
#else /* CONFIG_DRM_MSM */
#warning That isn't supposed to happen!!!
#define register_panel_notifier(...) ret
#define unregister_panel_notifier(...)
#endif /* CONFIG_DRM_MSM */
#else /* LINUX_VERSION_CODE */
#warning Panel notifier undefined!!!
#define register_panel_notifier(...) ret
#define unregister_panel_notifier(...)
#endif /* LINUX_VERSION_CODE */
#endif /* CONFIG_DRM_PANEL_NOTIFICATIONS */
#endif /* CONFIG_DRM_PANEL_EVENT_NOTIFICATIONS */
#endif /* CONFIG_PANEL_NOTIFICATIONS */
#if defined (TS_MMI_TOUCH_GESTURE_POISON_EVENT)
#ifndef TS_MMI_TOUCH_EDGE_GESTURE
#define TS_MMI_TOUCH_EDGE_GESTURE
#endif
#endif
#define NANO_SEC 1000000000
#define SEC_TO_MSEC 1000
#define NANO_TO_MSEC 1000000
static inline unsigned long long timediff_ms(
struct TIME_SPEC start, struct TIME_SPEC end)
{
struct TIME_SPEC temp;
if ((end.tv_nsec - start.tv_nsec) < 0) {
temp.tv_sec = end.tv_sec - start.tv_sec - 1;
temp.tv_nsec = NANO_SEC + end.tv_nsec - start.tv_nsec;
} else {
temp.tv_sec = end.tv_sec - start.tv_sec;
temp.tv_nsec = end.tv_nsec - start.tv_nsec;
}
return (temp.tv_sec * SEC_TO_MSEC) + (temp.tv_nsec / NANO_TO_MSEC);
}
#define TS_MMI_MAX_POINT_NUM 10
#define TS_MMI_MAX_FW_PATH 64
#define TS_MMI_MAX_FULL_FW_PATH 128
#define TS_MMI_MAX_ID_LEN 16
#define TS_MMI_MAX_VENDOR_LEN 16
#define TS_MMI_MAX_INFO_LEN 16
#define TS_MMI_MAX_CLASS_NAME_LEN 16
#define TS_MMI_MAX_PANEL_LEN 16
#define TS_MMI_PILL_REGION_REQ_ARGS_NUM 3
#define TS_MMI_ACTIVE_REGION_REQ_ARGS_NUM 4
#define TS_MMI_FW_PARAM_PATH "/data/vendor/param/touch/"
enum touch_event_mode {
TS_COORDINATE_ACTION_NONE = 0,
TS_COORDINATE_ACTION_PRESS,
TS_COORDINATE_ACTION_RELEASE,
TS_COORDINATE_ACTION_MOVE
};
enum TS_FW_UPGRADE_MODE {
FW_DEFAULT_MODE = 0,
FW_PARAM_MODE,
FW_SDCARD_MODE,
};
struct touch_event_data {
bool skip_report;
enum touch_event_mode type; /* TS_TOUCH, TS_RELEASE */
int id; /* Finger id */
int x, y, w, p; /* X, Y, Area, Pressure */
int major, minor; /* Major, Minor */
};
struct gesture_event_data {
union {
int evcode;
struct touch_event_data evdata;
};
};
/**
* struct touchscreen_mmi_class_methods - export class methods to vendor
*
* @report_gesture: report gesture event
*/
struct ts_mmi_class_methods {
int (*report_gesture)(struct gesture_event_data *gev);
int (*get_gesture_type)(struct device *dev, unsigned char *gesture_type);
int (*report_palm)(bool value);
int (*get_class_fname)(struct device *dev , const char **fname);
int (*get_supplier)(struct device *dev , const char **sname);
int (*report_touch_event)(struct touch_event_data *tev, struct input_dev *input_dev);
int (*report_liquid_detection_status)(struct device *parent, int status);
struct kobject *kobj_notify;
};
enum ts_mmi_pm_mode {
TS_MMI_PM_DEEPSLEEP = 0,
TS_MMI_PM_GESTURE,
TS_MMI_PM_ACTIVE
};
enum ts_mmi_panel_event {
TS_MMI_EVENT_PRE_DISPLAY_OFF,
TS_MMI_EVENT_PRE_DISPLAY_ON,
TS_MMI_EVENT_DISPLAY_OFF,
TS_MMI_EVENT_DISPLAY_ON,
TS_MMI_EVENT_DISPLAY_ON_PREPARE,
TS_MMI_EVENT_UNKNOWN
};
enum ts_mmi_work {
TS_MMI_DO_RESUME,
TS_MMI_DO_PS,
TS_MMI_DO_REFRESH_RATE,
TS_MMI_DO_FPS,
TS_MMI_TASK_INIT,
TS_MMI_DO_LIQUID_DETECTION,
};
#define TS_MMI_RESET_SOFT 0
#define TS_MMI_RESET_HARD 1
#define TS_MMI_POWER_OFF 0
#define TS_MMI_POWER_ON 1
#define TS_MMI_PINCTL_OFF 0
#define TS_MMI_PINCTL_ON 1
#define TS_MMI_IRQ_OFF 0
#define TS_MMI_IRQ_ON 1
#define TS_MMI_UPDATE_BASELINE_OFF 0
#define TS_MMI_UPDATE_BASELINE_ON 1
#define TS_MMI_DISABLE_SUPPRESSION_NONE 0
#define TS_MMI_DISABLE_SUPPRESSION_ALL 1
#define TS_MMI_DISABLE_SUPPRESSION_LEFT 2
#define TS_MMI_DISABLE_SUPPRESSION_RIGHT 3
#define TOUCHSCREEN_MMI_DEFAULT_GS_DISTANCE 0x1E
#define TOUCHSCREEN_MMI_DEFAULT_POISON_TIMEOUT_MS 800
#define TOUCHSCREEN_MMI_DEFAULT_POISON_TRIGGER_DISTANCE 120
#define TOUCHSCREEN_MMI_DEFAULT_POISON_DISTANCE 25
#define TS_MMI_GESTURE_ZERO 0x01
#define TS_MMI_GESTURE_SINGLE 0x02
#define TS_MMI_GESTURE_DOUBLE 0x04
/**
* struct touchscreen_mmi_methods - hold vendor provided functions
*
* @convert_data: convert internal touch data to common format
* @get_vendor: returns vendor name
* @get_product_id: returns product ID string
* @get_config_id: returns configuration ID string
* @get_irq_status: return current IRQ pin status
* @reset: performs touch IC reset (hard or soft)
* @irq: enable/disable IRQ handling
* @firmware_update: performs firmware update from provided file
* @firmware_erase: performs chip erasure
*/
struct ts_mmi_methods {
int (*convert_data)(struct device *dev, struct touch_event_data *data, int max);
/* GET methods */
int (*get_vendor)(struct device *dev, void *cdata);
int (*get_productinfo)(struct device *dev, void *cdata);
int (*get_build_id)(struct device *dev, void *cdata);
int (*get_config_id)(struct device *dev, void *cdata);
int (*get_class_entry_name)(struct device *dev, void *cdata);
int (*get_bus_type)(struct device *dev, void *idata);
int (*get_irq_status)(struct device *dev, void *idata);
int (*get_drv_irq)(struct device *dev, void *idata);
int (*get_poweron)(struct device *dev, void *idata);
int (*get_flashprog)(struct device *dev, void *idata);
int (*get_suppression)(struct device *dev, void *idata);
int (*get_hold_grip)(struct device *dev, void *idata);
int (*get_flash_mode)(struct device *dev, void *idata);
int (*get_pill_region)(struct device *dev, void *uiadata);
int (*get_hold_distance)(struct device *dev, void *idata);
int (*get_gs_distance)(struct device *dev, void *idata);
int (*get_poison_timeout)(struct device *dev, void *idata);
int (*get_poison_distance)(struct device *dev, void *idata);
int (*get_poison_trigger_distance)(struct device *dev, void *idata);
int (*get_active_region)(struct device *dev, void *uiadata);
/* SET methods */
int (*reset)(struct device *dev, int type);
int (*drv_irq)(struct device *dev, int state);
int (*power)(struct device *dev, int on);
int (*pinctrl)(struct device *dev, int on);
int (*refresh_rate)(struct device *dev, int freq);
int (*charger_mode)(struct device *dev, int mode);
int (*palm_set_enable)(struct device *dev, unsigned int enable);
int (*suppression)(struct device *dev, int state);
int (*hold_grip)(struct device *dev, int state);
int (*flash_mode)(struct device *dev, int state);
int (*pill_region)(struct device *dev, int *region_array);
int (*hold_distance)(struct device *dev, int dis);
int (*gs_distance)(struct device *dev, int dis);
int (*poison_timeout)(struct device *dev, int timeout);
int (*poison_distance)(struct device *dev, int dis);
int (*poison_trigger_distance)(struct device *dev, int dis);
int (*update_baseline)(struct device *dev, int enable);
int (*update_fod_mode)(struct device *dev, int enable);
int (*active_region)(struct device *dev, int *region_array);
int (*update_liquid_detect_mode)(struct device *dev, int enable);
/* Firmware */
int (*firmware_update)(struct device *dev, char *fwname);
int (*firmware_erase)(struct device *dev);
/* vendor specific attribute group */
int (*extend_attribute_group)(struct device *dev, struct attribute_group **group);
/* PM callback */
int (*panel_state)(struct device *dev, enum ts_mmi_pm_mode from, enum ts_mmi_pm_mode to);
int (*wait_for_ready)(struct device *dev);
int (*pre_resume)(struct device *dev);
int (*post_resume)(struct device *dev);
int (*pre_suspend)(struct device *dev);
int (*post_suspend)(struct device *dev);
/*
* class exported methods
*/
struct ts_mmi_class_methods exports;
};
#define TO_CHARP(dp) ((char*)(dp))
#define TO_INT(dp) (*(int*)(dp))
#define TOUCHSCREEN_MMI_BUS_TYPE_I2C 0
#define TOUCHSCREEN_MMI_BUS_TYPE_SPI 1
struct ts_mmi_dev_pdata {
bool power_off_suspend;
bool fps_detection;
bool fod_detection;
bool usb_detection;
bool update_refresh_rate;
bool gestures_enabled;
bool cli_gestures_enabled;
bool palm_enabled;
bool fw_load_resume;
bool suppression_ctrl;
bool pill_region_ctrl;
bool hold_distance_ctrl;
bool gs_distance_ctrl;
bool hold_grip_ctrl;
bool poison_slot_ctrl;
bool active_region_ctrl;
bool support_liquid_detection;
int max_x;
int max_y;
int fod_x;
int fod_y;
int ctrl_dsi;
int reset;
const char *class_entry_name;
const char *bound_display;
#ifdef CONFIG_BOARD_USES_DOUBLE_TAP_CTRL
int supported_gesture_type;
#endif
};
/**
* struct touchscreen_mmi_dev - hold touch general parameters and APIs
*
* @handle: Handle that identifies this sensors.
* @class_dev Touchscreen class device.
* @class_dev_minor Minor number of touchscreen class device.
* @node: List for the all the touch drivers.
* @bus_type: IC bus type.
* 0 I2C
* 1 SPI
* @mdata: Vendor specific methods
* @class_entry_name:
*
*/
struct ts_mmi_dev {
/*
* internally used
*/
struct device *dev;
struct device *class_dev;
dev_t class_dev_no;
int forcereflash;
unsigned char gesture_mode_type;
int panel_status;
struct ts_mmi_dev_pdata pdata;
#if defined(CONFIG_DRM_PANEL_NOTIFICATIONS) || defined (CONFIG_DRM_PANEL_EVENT_NOTIFICATIONS)
struct drm_panel *active_panel;
#endif
#ifdef CONFIG_DRM_PANEL_EVENT_NOTIFICATIONS
void *notifier_cookie;
#else
struct notifier_block panel_nb;
#endif
struct mutex extif_mutex;
struct mutex method_mutex;
struct pinctrl *pinctrl_node;
struct pinctrl_state *pinctrl_on_state;
struct pinctrl_state *pinctrl_off_state;
atomic_t touch_stopped;
enum ts_mmi_pm_mode pm_mode;
atomic_t resume_should_stop;
struct delayed_work work;
struct kfifo cmd_pipe;
struct notifier_block freq_nb;
unsigned char refresh_rate;
struct work_struct ps_notify_work;
struct notifier_block ps_notif;
bool ps_is_present;
struct notifier_block fps_notif;
bool is_fps_registered; /* FPS notif registration might be delayed */
bool fps_state;
bool delay_baseline_update;
struct notifier_block lpd_notif;
bool is_lpd_registered; /* LPD notif registration might be delayed */
bool lpd_state;
int liquid_status;
/*
* sys entey variable
*/
char vendor[TS_MMI_MAX_VENDOR_LEN];
char productinfo[TS_MMI_MAX_INFO_LEN];
char build_id[TS_MMI_MAX_ID_LEN];
char config_id[TS_MMI_MAX_ID_LEN];
char class_entry_name[TS_MMI_MAX_CLASS_NAME_LEN];
char panel_supplier[TS_MMI_MAX_PANEL_LEN];
int bus_type;
int irq_status;
int drv_irq;
int poweron;
int flashprog;
int suppression;
unsigned int pill_region[TS_MMI_PILL_REGION_REQ_ARGS_NUM];
unsigned int active_region[TS_MMI_ACTIVE_REGION_REQ_ARGS_NUM];
int hold_distance;
int gs_distance;
int hold_grip;
int flash_mode;
int poison_timeout;
int poison_distance;
int poison_trigger_distance;
int charger_mode;
int reset;
int pinctrl;
int update_baseline;
struct attribute_group *extern_group;
struct list_head node;
/*
* vendor provided
*/
struct ts_mmi_methods *mdata;
};
#define DEV_MMI (touch_cdev->class_dev)
#define DEV_TS (touch_cdev->dev)
#define MMI_DEV_TO_TS_DEV(cdev) (((struct ts_mmi_dev *)dev_get_drvdata(dev))->dev)
/* call this after hold method mutex */
#define _TRY_TO_CALL(_method, ...) \
do { \
if (touch_cdev->mdata->_method) { \
ret = touch_cdev->mdata->_method(DEV_TS, ##__VA_ARGS__); \
} \
} while (0)
#define TRY_TO_CALL(_method, ...) \
do { \
ret = ret; \
mutex_lock(&touch_cdev->method_mutex); \
_TRY_TO_CALL(_method, ##__VA_ARGS__); \
mutex_unlock(&touch_cdev->method_mutex); \
} while (0)
#define TRY_TO_GET(_method, ...) \
do { \
ret = ret; \
if (touch_cdev->mdata->get_##_method) { \
mutex_lock(&touch_cdev->method_mutex); \
ret = touch_cdev->mdata->get_##_method(DEV_TS, ##__VA_ARGS__); \
mutex_unlock(&touch_cdev->method_mutex); \
} \
} while (0)
#define is_touch_stopped (atomic_read(&touch_cdev->touch_stopped) == 1)
#define is_touch_active (touch_cdev->pm_mode == TS_MMI_PM_ACTIVE)
extern int ts_mmi_notifiers_register(struct ts_mmi_dev *touch_cdev);
extern void ts_mmi_notifiers_unregister(struct ts_mmi_dev *touch_cdev);
extern int ts_mmi_panel_register(struct ts_mmi_dev *touch_cdev);
extern void ts_mmi_panel_unregister(struct ts_mmi_dev *touch_cdev);
extern int ts_mmi_dev_register(struct device *parent,
struct ts_mmi_methods *mdata);
extern void ts_mmi_dev_unregister(struct device *parent);
extern int ts_mmi_parse_dt(struct ts_mmi_dev *touch_cdev, struct device_node *of_node);
extern int ts_mmi_gesture_init(struct ts_mmi_dev *data);
extern int ts_mmi_gesture_remove(struct ts_mmi_dev *data);
extern int ts_mmi_cli_gesture_init(struct ts_mmi_dev *data);
extern int ts_mmi_cli_gesture_remove(struct ts_mmi_dev *data);
extern int ts_mmi_palm_init(struct ts_mmi_dev *data);
extern int ts_mmi_palm_remove(struct ts_mmi_dev *data);
#ifdef TS_MMI_TOUCH_EDGE_GESTURE
extern int ts_mmi_gesture_suspend(struct ts_mmi_dev *touch_cdev);
#endif
#if defined (CONFIG_DRM_PANEL_NOTIFICATIONS) || defined (CONFIG_DRM_PANEL_EVENT_NOTIFICATIONS)
int ts_mmi_check_drm_panel(struct ts_mmi_dev* touch_cdev, struct device_node *of_node);
#endif
extern bool ts_mmi_is_panel_match(const char *panel_node, char *touch_ic_name);
/*sensor*/
extern bool ts_mmi_is_sensor_enable(void);
extern const char *mmi_bl_bootmode(void);
#endif /* __LINUX_TOUCHSCREEN_MMI_H_ */
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