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/*
* Copyright (C) 2013 LG Electironics, Inc.
*
* 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.
*
*/
#define MAX_NUM_OF_BUTTON 4
#define MAX_NUM_OF_FINGER 5
#define DESCRIPTION_TABLE_START 0xE9
#define PAGE_SELECT_REG 0xFF
#define PAGE_MAX_NUM 4
#define REG_X_POSITION 0
#define REG_Y_POSITION 1
#define REG_YX_POSITION 2
#define REG_WY_WX 3
#define REG_Z 4
#define NUM_OF_EACH_FINGER_DATA_REG 5
/* Define for Area based key button */
#define BUTTON_MARGIN 50
#define TOUCH_BUTTON_PRESSED 2
/* Debug Mask setting */
#define SYNAPTICS_RMI4_I2C_DEBUG_PRINT (1)
#define SYNAPTICS_RMI4_I2C_ERROR_PRINT (1)
#define SYNAPTICS_RMI4_I2C_INFO_PRINT (1)
#if defined(SYNAPTICS_RMI4_I2C_INFO_PRINT)
#define SYNAPTICS_INFO_MSG(fmt, args...) printk(KERN_ERR "[Touch] " fmt, ##args);
#else
#define SYNAPTICS_INFO_MSG(fmt, args...) {};
#endif
#if defined(SYNAPTICS_RMI4_I2C_DEBUG_PRINT)
#define SYNAPTICS_DEBUG_MSG(fmt, args...) printk(KERN_ERR "[Touch D] [%s %d] " fmt, __func__, __LINE__, ##args);
#else
#define SYNAPTICS_DEBUG_MSG(fmt, args...) {};
#endif
#if defined(SYNAPTICS_RMI4_I2C_ERROR_PRINT)
#define SYNAPTICS_ERR_MSG(fmt, args...) printk(KERN_ERR "[Touch E] [%s %d] " fmt, __func__, __LINE__, ##args);
#else
#define SYNAPTICS_ERR_MSG(fmt, args...) {};
#endif
enum {
SYNAPTICS_RMI4_I2C_DEBUG_NONE = 0,
SYNAPTICS_RMI4_I2C_DEBUG_FUNC_TRACE = 1U << 0, /* 1 */
SYNAPTICS_RMI4_I2C_DEBUG_INT_STATUS = 1U << 1, /* 2 */
SYNAPTICS_RMI4_I2C_DEBUG_FINGER_STATUS = 1U << 2, /* 4 */
SYNAPTICS_RMI4_I2C_DEBUG_FINGER_POSITION = 1U << 3, /* 8 */
SYNAPTICS_RMI4_I2C_DEBUG_FINGER_REG = 1U << 4, /* 16 */
SYNAPTICS_RMI4_I2C_DEBUG_BUTTON_STATUS = 1U << 5, /* 32 */
SYNAPTICS_RMI4_I2C_DEBUG_BUTTON_REG = 1U << 6, /* 64 */
SYNAPTICS_RMI4_I2C_DEBUG_INT_INTERVAL = 1U << 7, /* 128 */
SYNAPTICS_RMI4_I2C_DEBUG_INT_ISR_DELAY = 1U << 8, /* 256 */
SYNAPTICS_RMI4_I2C_DEBUG_FINGER_HANDLE_TIME = 1U << 9, /* 512 */
SYNAPTICS_RMI4_I2C_DEBUG_BUTTON_HANDLE_TIME = 1U << 10, /* 1024 */
SYNAPTICS_RMI4_I2C_DEBUG_UPGRADE_DELAY = 1U << 11, /* 2048 */
};
enum {
IC_CTRL_CODE_NONE = 0,
IC_CTRL_BASELINE,
IC_CTRL_READ,
IC_CTRL_WRITE,
IC_CTRL_RESET_CMD,
IC_CTRL_REPORT_MODE,
};
enum {
BASELINE_OPEN = 0,
BASELINE_FIX,
BASELINE_REBASE,
};
enum {
TIME_EX_INIT_TIME,
TIME_EX_FIRST_INT_TIME,
TIME_EX_PREV_PRESS_TIME,
TIME_EX_CURR_PRESS_TIME,
TIME_EX_BUTTON_PRESS_START_TIME,
TIME_EX_BUTTON_PRESS_END_TIME,
TIME_EX_FIRST_GHOST_DETECT_TIME,
TIME_EX_SECOND_GHOST_DETECT_TIME,
TIME_EX_CURR_INT_TIME,
TIME_EX_PROFILE_MAX
};
enum{
IGNORE_INTERRUPT = 100,
NEED_TO_OUT,
NEED_TO_INIT,
};
struct synaptics_ts_platform_data {
bool use_irq;
unsigned long irqflags;
unsigned short irq_num;
unsigned short int_gpio;
unsigned short reset_gpio;
int (*power)(int on);
unsigned short ic_booting_delay; /* ms */
unsigned long report_period; /* ns */
unsigned char num_of_finger;
unsigned char num_of_button;
unsigned short button[MAX_NUM_OF_BUTTON];
int x_max;
int y_max;
unsigned char fw_ver;
unsigned int palm_threshold;
unsigned int delta_pos_threshold;
int use_ghost_detection;
int report_mode;
};
typedef struct {
u8 query_base;
u8 command_base;
u8 control_base;
u8 data_base;
u8 int_source_count;
u8 id;
} ts_function_descriptor;
typedef struct {
unsigned int pos_x[MAX_NUM_OF_FINGER];
unsigned int pos_y[MAX_NUM_OF_FINGER];
unsigned char pressure[MAX_NUM_OF_FINGER];
int total_num;
char palm;
} ts_finger_data;
struct synaptics_ts_timestamp {
u64 start;
u64 end;
u64 result_t;
unsigned long rem;
atomic_t ready;
};
/* Device data structure */
struct synaptics_ts_data {
struct i2c_client *client;
struct input_dev *input_dev;
struct synaptics_ts_platform_data *pdata;
bool is_downloading; /* avoid power off during F/W upgrade */
bool is_suspended; /* avoid power off during F/W upgrade */
unsigned int button_width;
char button_prestate[MAX_NUM_OF_BUTTON];
char finger_prestate[MAX_NUM_OF_FINGER];
bool ic_init;
bool is_probed;
atomic_t interrupt_handled;
ts_function_descriptor common_dsc;
ts_function_descriptor finger_dsc;
ts_function_descriptor button_dsc;
ts_function_descriptor analog_dsc;
ts_function_descriptor flash_dsc;
u8 common_page;
u8 finger_page;
u8 button_page;
u8 analog_page;
u8 flash_page;
unsigned char int_status_reg_asb0_bit;
unsigned char int_status_reg_button_bit;
unsigned char curr_int_mask;
struct hrtimer timer;
struct delayed_work work;
struct delayed_work button_lock_work;
struct synaptics_ts_timestamp int_delay;
ts_finger_data pre_ts_data;
char fw_rev;
char manufcturer_id;
char config_id[5];
char product_id[11];
char fw_path[256];
unsigned char *fw_start;
unsigned long fw_size;
char fw_config_id[5];
char fw_product_id[11];
bool fw_force_upgrade;
};
typedef struct {
unsigned char device_status_reg;
unsigned char interrupt_status_reg;
unsigned char button_data_reg;
} ts_sensor_ctrl;
typedef struct {
unsigned char finger_state_reg[2];
unsigned char finger_data[MAX_NUM_OF_FINGER][NUM_OF_EACH_FINGER_DATA_REG];
} ts_sensor_data;
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