drivers/input/touchscreen/mediatek/synaptics_7020/synaptics_ts.h

   1 /*
   2  * Copyright (C) 2013 LG Electironics, Inc.
   3  *
   4  * This software is licensed under the terms of the GNU General Public
   5  * License version 2, as published by the Free Software Foundation, and
   6  * may be copied, distributed, and modified under those terms.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  */
  14
  15
  16 #define MAX_NUM_OF_BUTTON 4
  17 #define MAX_NUM_OF_FINGER 10
  18 #define DESCRIPTION_TABLE_START    0xE9
  19 #define PAGE_SELECT_REG 0xFF
  20 #define PAGE_MAX_NUM 4
  21
  22 #define REG_X_POSITION                    0
  23 #define REG_Y_POSITION                    1
  24 #define REG_YX_POSITION                    2
  25 #define REG_WY_WX                        3
  26 #define REG_Z                            4
  27 #define NUM_OF_EACH_FINGER_DATA_REG        5
  28
  29 /* Define for Area based key button */
  30 #define BUTTON_MARGIN                    50
  31 #define TOUCH_BUTTON_PRESSED            2
  32
  33 /* Debug Mask setting */
  34 #define SYNAPTICS_RMI4_I2C_DEBUG_PRINT 1
  35 #define SYNAPTICS_RMI4_I2C_ERROR_PRINT 1
  36 #define SYNAPTICS_RMI4_I2C_INFO_PRINT 1
  37
  38 #if defined(SYNAPTICS_RMI4_I2C_INFO_PRINT)
  39 #define SYNAPTICS_INFO_MSG(fmt, args...) printk(KERN_ERR "[Touch] " fmt, ##args);
  40 #else
  41 #define SYNAPTICS_INFO_MSG(fmt, args...) {};
  42 #endif
  43
  44 #if defined(SYNAPTICS_RMI4_I2C_DEBUG_PRINT)
  45 #define SYNAPTICS_DEBUG_MSG(fmt, args...) printk(KERN_ERR "[Touch D] [%s %d] " fmt, __FUNCTION__, __LINE__, ##args);
  46 #else
  47 #define SYNAPTICS_DEBUG_MSG(fmt, args...) {};
  48 #endif
  49
  50 #if defined(SYNAPTICS_RMI4_I2C_ERROR_PRINT)
  51 #define SYNAPTICS_ERR_MSG(fmt, args...) printk(KERN_ERR "[Touch E] [%s %d] " fmt, __FUNCTION__, __LINE__, ##args);
  52 #else
  53 #define SYNAPTICS_ERR_MSG(fmt, args...) {};
  54 #endif
  55
  56
  57 enum {
  58     SYNAPTICS_RMI4_I2C_DEBUG_NONE                = 0,
  59     SYNAPTICS_RMI4_I2C_DEBUG_FUNC_TRACE            = 1U << 0,    /* 1 */
  60     SYNAPTICS_RMI4_I2C_DEBUG_INT_STATUS            = 1U << 1,    /* 2 */
  61     SYNAPTICS_RMI4_I2C_DEBUG_FINGER_STATUS        = 1U << 2,    /* 4 */
  62     SYNAPTICS_RMI4_I2C_DEBUG_FINGER_POSITION    = 1U << 3,    /* 8 */
  63     SYNAPTICS_RMI4_I2C_DEBUG_FINGER_REG            = 1U << 4,    /* 16 */
  64     SYNAPTICS_RMI4_I2C_DEBUG_BUTTON_STATUS        = 1U << 5,    /* 32 */
  65     SYNAPTICS_RMI4_I2C_DEBUG_BUTTON_REG            = 1U << 6,    /* 64 */
  66     SYNAPTICS_RMI4_I2C_DEBUG_INT_INTERVAL        = 1U << 7,    /* 128 */
  67     SYNAPTICS_RMI4_I2C_DEBUG_INT_ISR_DELAY        = 1U << 8,    /* 256 */
  68     SYNAPTICS_RMI4_I2C_DEBUG_FINGER_HANDLE_TIME    = 1U << 9,    /* 512 */
  69     SYNAPTICS_RMI4_I2C_DEBUG_BUTTON_HANDLE_TIME    = 1U << 10,    /* 1024 */
  70     SYNAPTICS_RMI4_I2C_DEBUG_UPGRADE_DELAY        = 1U << 11,    /* 2048 */
  71 };
  72
  73 enum {
  74     IC_CTRL_CODE_NONE = 0,
  75     IC_CTRL_BASELINE,
  76     IC_CTRL_READ,
  77     IC_CTRL_WRITE,
  78     IC_CTRL_RESET_CMD,
  79     IC_CTRL_REPORT_MODE,
  80 };
  81
  82 enum {
  83     BASELINE_OPEN = 0,
  84     BASELINE_FIX,
  85     BASELINE_REBASE,
  86 };
  87
  88 enum {
  89     TIME_EX_INIT_TIME,
  90     TIME_EX_FIRST_INT_TIME,
  91     TIME_EX_PREV_PRESS_TIME,
  92     TIME_EX_CURR_PRESS_TIME,
  93     TIME_EX_BUTTON_PRESS_START_TIME,
  94     TIME_EX_BUTTON_PRESS_END_TIME,
  95     TIME_EX_FIRST_GHOST_DETECT_TIME,
  96     TIME_EX_SECOND_GHOST_DETECT_TIME,
  97     TIME_EX_CURR_INT_TIME,
  98     TIME_EX_PROFILE_MAX
  99 };
 100
 101 enum{
 102     IGNORE_INTERRUPT = 100,
 103     NEED_TO_OUT,
 104     NEED_TO_INIT,
 105 };
 106
 107
 108 struct synaptics_ts_platform_data {
 109     bool use_irq;
 110     unsigned long irqflags;
 111     unsigned short irq_num;
 112     //jhee//unsigned short int_gpio;
 113     unsigned int int_gpio;
 114     //jhee//unsigned short reset_gpio;
 115     unsigned int reset_gpio;
 116     int (*power)(int on);
 117     unsigned short ic_booting_delay; /* ms */
 118     unsigned long report_period; /* ns */
 119     unsigned char num_of_finger;
 120     unsigned char num_of_button;
 121     unsigned short button[MAX_NUM_OF_BUTTON];
 122     int x_max;
 123     int y_max;
 124     unsigned char fw_ver;
 125     unsigned int palm_threshold;
 126     unsigned int delta_pos_threshold;
 127     int use_ghost_detection;
 128     int report_mode;
 129 };
 130
 131 typedef struct {
 132     u8 query_base;
 133     u8 command_base;
 134     u8 control_base;
 135     u8 data_base;
 136     u8 int_source_count;
 137     u8 id;
 138 } ts_function_descriptor;
 139
 140 typedef struct {
 141     unsigned int pos_x[MAX_NUM_OF_FINGER];
 142     unsigned int pos_y[MAX_NUM_OF_FINGER];
 143     unsigned char pressure[MAX_NUM_OF_FINGER];
 144     int total_num;
 145     char palm;
 146 } ts_finger_data;
 147
 148 struct synaptics_ts_timestamp {
 149     u64 start;
 150     u64 end;
 151     u64 result_t;
 152     unsigned long rem;
 153     atomic_t ready;
 154 };
 155
 156 /* Device data structure */
 157 struct synaptics_ts_data {
 158     struct i2c_client *client;
 159     struct input_dev *input_dev;
 160     struct synaptics_ts_platform_data *pdata;
 161     bool is_downloading;        /* avoid power off during F/W upgrade */
 162     bool is_suspended;            /* avoid power off during F/W upgrade */
 163     unsigned int button_width;
 164     char button_prestate[MAX_NUM_OF_BUTTON];
 165     char finger_prestate[MAX_NUM_OF_FINGER];
 166     bool ic_init;
 167     bool is_probed;
 168     atomic_t interrupt_handled;
 169     ts_function_descriptor common_dsc;
 170     ts_function_descriptor finger_dsc;
 171     ts_function_descriptor button_dsc;
 172     ts_function_descriptor analog_dsc;
 173     ts_function_descriptor flash_dsc;
 174     u8 common_page;
 175     u8 finger_page;
 176     u8 button_page;
 177     u8 analog_page;
 178     u8 flash_page;
 179     unsigned char int_status_reg_asb0_bit;
 180     unsigned char int_status_reg_button_bit;
 181     unsigned char curr_int_mask;
 182     struct hrtimer timer;
 183     struct delayed_work work;
 184     struct delayed_work button_lock_work;
 185     struct synaptics_ts_timestamp int_delay;
 186     ts_finger_data pre_ts_data;
 187     char fw_rev;
 188     char manufcturer_id;
 189     char config_id[5];
 190     char product_id[11];
 191     char fw_path[256];
 192     unsigned char *fw_start;
 193     unsigned long fw_size;
 194     char fw_config_id[5];
 195     char fw_product_id[11];
 196     bool fw_force_upgrade;
 197 };
 198
 199 typedef struct {
 200     unsigned char device_status_reg;
 201     unsigned char interrupt_status_reg;
 202     unsigned char button_data_reg;
 203 } ts_sensor_ctrl;
 204
 205 typedef struct {
 206     unsigned char finger_state_reg[3];
 207     unsigned char finger_data[MAX_NUM_OF_FINGER][NUM_OF_EACH_FINGER_DATA_REG];
 208 } ts_sensor_data;
 209