drivers/input/touchscreen/rk29_i2c_goodix.h

   1 /*
   2  * include/linux/goodix_touch.h
   3  *
   4  * Copyright (C) 2010 - 2011 Goodix, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  */
  17
  18 #ifndef         _LINUX_GOODIX_TOUCH_H
  19 #define         _LINUX_GOODIX_TOUCH_H
  20
  21 #ifdef CONFIG_HAS_EARLYSUSPEND
  22 #include <linux/earlysuspend.h>
  23 #endif
  24 #include <linux/hrtimer.h>
  25 #include <linux/i2c.h>
  26 #include <linux/input.h>
  27
  28 //*************************TouchScreen Work Part*****************************
  29
  30 #define GOODIX_I2C_NAME "Goodix-TS"
  31 #define TS_MAX_X        CONFIG_TOUCH_MAX_X
  32 #define TS_MAX_Y        CONFIG_TOUCH_MAX_Y
  33
  34 #if 1
  35 #define INT_PORT                RK29_PIN0_PA2
  36 #ifdef INT_PORT
  37         #define TS_INT          gpio_to_irq(INT_PORT)
  38 //      #define INT_CFG         S3C_GPIO_SFN(2)                                 //IO configer as EINT
  39 #else
  40         #define TS_INT  0
  41 #endif
  42
  43 //whether need send cfg?
  44 //#define DRIVER_SEND_CFG
  45
  46 //set trigger mode
  47 #define INT_TRIGGER                     0
  48
  49 #endif
  50
  51 #define POLL_TIME               10      //actual query spacing interval:POLL_TIME+6
  52
  53 #define GOODIX_MULTI_TOUCH
  54 #ifdef GOODIX_MULTI_TOUCH
  55         #define MAX_FINGER_NUM   10
  56 #else
  57         #define MAX_FINGER_NUM   1
  58 #endif
  59
  60 //#define swap(x, y) do { typeof(x) z = x; x = y; y = z; } while (0)
  61
  62 struct rk_touch_info
  63 {
  64         u32 press;
  65         u32 x ;
  66         u32 y ;
  67         int status ; // 0 1
  68 } ;
  69 struct rk_ts_data{
  70         struct i2c_client *client;
  71         struct input_dev *input_dev;
  72         int irq;
  73         int irq_pin;
  74         int pwr_pin;
  75         int rst_pin;
  76         int rst_val;
  77         int read_mode;                                  //read moudle mode,20110221 by andrew
  78         char phys[32];
  79 #ifdef CONFIG_HAS_EARLYSUSPEND
  80         struct early_suspend early_suspend;
  81 #endif
  82         int (*power)(struct rk_ts_data * ts, int on);
  83         int (*ts_init)(struct rk_ts_data*ts);
  84         int (*input_parms_init)(struct rk_ts_data *ts);
  85         void (*get_touch_info)(struct rk_ts_data *ts,char *point_num,struct rk_touch_info *info_buf);  //get touch data info
  86         uint16_t abs_x_max;
  87         uint16_t abs_y_max;
  88         uint8_t max_touch_num;
  89         bool            pendown;
  90         struct rk_touch_info *info_buf;
  91 };
  92
  93
  94
  95 struct goodix_ts_data {
  96         uint16_t addr;
  97         uint8_t bad_data;
  98         struct i2c_client *client;
  99         struct input_dev *input_dev;
 100         int use_reset;          //use RESET flag
 101         int use_irq;            //use EINT flag
 102         int read_mode;          //read moudle mode,20110221 by andrew
 103         struct hrtimer timer;
 104         struct delayed_work  work;
 105         char phys[32];
 106         int retry;
 107 #ifdef CONFIG_HAS_EARLYSUSPEND
 108         struct early_suspend early_suspend;
 109 #endif
 110         int (*power)(struct goodix_ts_data * ts, int on);
 111         uint16_t abs_x_max;
 112         uint16_t abs_y_max;
 113         uint8_t max_touch_num;
 114         uint8_t int_trigger_type;
 115         bool            pendown;
 116 };
 117
 118 static const char *rk_ts_name = "Goodix Capacitive TouchScreen";
 119 struct i2c_client * i2c_connect_client = NULL;
 120 static struct proc_dir_entry *goodix_proc_entry;
 121 //static struct kobject *goodix_debug_kobj;
 122
 123
 124 #define READ_COOR_ADDR 0x01
 125
 126 //*****************************End of Part I *********************************
 127
 128 //*************************Touchkey Surpport Part*****************************
 129 //#define HAVE_TOUCH_KEY
 130 #ifdef HAVE_TOUCH_KEY
 131         #define READ_COOR_ADDR 0x00
 132         const uint16_t touch_key_array[]={
 133                                                                           KEY_MENU,                             //MENU
 134                                                                           KEY_HOME,                             //HOME
 135                                                                           KEY_SEND                              //CALL
 136                                                                          };
 137         #define MAX_KEY_NUM      (sizeof(touch_key_array)/sizeof(touch_key_array[0]))
 138 #else
 139         #define READ_COOR_ADDR 0x01
 140 #endif
 141 //*****************************End of Part II*********************************
 142 #if 1
 143 //*************************Firmware Update part*******************************
 144 //#define CONFIG_TOUCHSCREEN_GOODIX_IAP
 145 #ifdef CONFIG_TOUCHSCREEN_GOODIX_IAP
 146 #define UPDATE_NEW_PROTOCOL
 147
 148 unsigned int oldcrc32 = 0xFFFFFFFF;
 149 unsigned int crc32_table[256];
 150 unsigned int ulPolynomial = 0x04c11db7;
 151 unsigned char rd_cfg_addr;
 152 unsigned char rd_cfg_len;
 153 unsigned char g_enter_isp = 0;
 154
 155 static int goodix_update_write(struct file *filp, const char __user *buff, unsigned long len, void *data);
 156 static int goodix_update_read( char *page, char **start, off_t off, int count, int *eof, void *data );
 157
 158 #define PACK_SIZE                                       64                                      //update file package size
 159 #define MAX_TIMEOUT                                     60000                           //update time out conut
 160 #define MAX_I2C_RETRIES                         20                                      //i2c retry times
 161
 162 //I2C buf address
 163 #define ADDR_CMD                                        80
 164 #define ADDR_STA                                        81
 165 #ifdef UPDATE_NEW_PROTOCOL
 166         #define ADDR_DAT                                0
 167 #else
 168         #define ADDR_DAT                                82
 169 #endif
 170
 171 //moudle state
 172 #define NEW_UPDATE_START                        0x01
 173 #define UPDATE_START                            0x02
 174 #define SLAVE_READY                                     0x08
 175 #define UNKNOWN_ERROR                           0x00
 176 #define FRAME_ERROR                                     0x10
 177 #define CHECKSUM_ERROR                          0x20
 178 #define TRANSLATE_ERROR                         0x40
 179 #define FLASH_ERROR                                     0X80
 180
 181 //error no
 182 #define ERROR_NO_FILE                           2       //ENOENT
 183 #define ERROR_FILE_READ                         23      //ENFILE
 184 #define ERROR_FILE_TYPE                         21      //EISDIR
 185 #define ERROR_GPIO_REQUEST                      4       //EINTR
 186 #define ERROR_I2C_TRANSFER                      5       //EIO
 187 #define ERROR_NO_RESPONSE                       16      //EBUSY
 188 #define ERROR_TIMEOUT                           110     //ETIMEDOUT
 189
 190 //update steps
 191 #define STEP_SET_PATH              1
 192 #define STEP_CHECK_FILE            2
 193 #define STEP_WRITE_SYN             3
 194 #define STEP_WAIT_SYN              4
 195 #define STEP_WRITE_LENGTH          5
 196 #define STEP_WAIT_READY            6
 197 #define STEP_WRITE_DATA            7
 198 #define STEP_READ_STATUS           8
 199 #define FUN_CLR_VAL                9
 200 #define FUN_CMD                    10
 201 #define FUN_WRITE_CONFIG           11
 202
 203 //fun cmd
 204 #define CMD_DISABLE_TP             0
 205 #define CMD_ENABLE_TP              1
 206 #define CMD_READ_VER               2
 207 #define CMD_READ_RAW               3
 208 #define CMD_READ_DIF               4
 209 #define CMD_READ_CFG               5
 210 #define CMD_SYS_REBOOT             101
 211
 212 //read mode
 213 #define MODE_RD_VER                1
 214 #define MODE_RD_RAW                2
 215 #define MODE_RD_DIF                3
 216 #define MODE_RD_CFG                4
 217
 218
 219 #endif
 220 //*****************************End of Part III********************************
 221 #endif
 222 struct goodix_i2c_platform_data {
 223         uint32_t version;       /* Use this entry for panels with */
 224         //reservation
 225 };
 226
 227 #endif /* _LINUX_GOODIX_TOUCH_H */