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 #include <linux/hrtimer.h>
  22 #include <linux/i2c.h>
  23 #include <linux/input.h>
  24
  25 #include "tp_suspend.h"
  26
  27 //*************************TouchScreen Work Part*****************************
  28
  29 #define GOODIX_I2C_NAME "Goodix-TS"
  30 #define TS_MAX_X        CONFIG_TOUCH_MAX_X
  31 #define TS_MAX_Y        CONFIG_TOUCH_MAX_Y
  32
  33 #if 1
  34 #define INT_PORT                RK29_PIN0_PA2
  35 #ifdef INT_PORT
  36         #define TS_INT          gpio_to_irq(INT_PORT)
  37 //      #define INT_CFG         S3C_GPIO_SFN(2)                                 //IO configer as EINT
  38 #else
  39         #define TS_INT  0
  40 #endif
  41
  42 //whether need send cfg?
  43 //#define DRIVER_SEND_CFG
  44
  45 //set trigger mode
  46 #define INT_TRIGGER                     0
  47
  48 #endif
  49
  50 #define POLL_TIME               10      //actual query spacing interval:POLL_TIME+6
  51
  52 #define GOODIX_MULTI_TOUCH
  53 #ifdef GOODIX_MULTI_TOUCH
  54         #define MAX_FINGER_NUM   10
  55 #else
  56         #define MAX_FINGER_NUM   1
  57 #endif
  58
  59 //#define swap(x, y) do { typeof(x) z = x; x = y; y = z; } while (0)
  60
  61 struct rk_touch_info
  62 {
  63         u32 press;
  64         u32 x ;
  65         u32 y ;
  66         int status ; // 0 1
  67 } ;
  68 struct rk_ts_data{
  69         struct i2c_client *client;
  70         struct input_dev *input_dev;
  71         int irq;
  72         int irq_pin;
  73         int pwr_pin;
  74         int rst_pin;
  75         int rst_val;
  76         int read_mode;                                  //read moudle mode,20110221 by andrew
  77         char phys[32];
  78         int (*power)(struct rk_ts_data * ts, int on);
  79         int (*ts_init)(struct rk_ts_data*ts);
  80         int (*input_parms_init)(struct rk_ts_data *ts);
  81         void (*get_touch_info)(struct rk_ts_data *ts,char *point_num,struct rk_touch_info *info_buf);  //get touch data info
  82         uint16_t abs_x_max;
  83         uint16_t abs_y_max;
  84         uint8_t max_touch_num;
  85         bool            pendown;
  86         struct rk_touch_info *info_buf;
  87         struct  tp_device  tp;
  88 };
  89
  90
  91
  92 struct goodix_ts_data {
  93         uint16_t addr;
  94         uint8_t bad_data;
  95         struct i2c_client *client;
  96         struct input_dev *input_dev;
  97         int use_reset;          //use RESET flag
  98         int use_irq;            //use EINT flag
  99         int read_mode;          //read moudle mode,20110221 by andrew
 100         struct hrtimer timer;
 101         struct delayed_work  work;
 102         char phys[32];
 103         int retry;
 104         int (*power)(struct goodix_ts_data * ts, int on);
 105         uint16_t abs_x_max;
 106         uint16_t abs_y_max;
 107         uint8_t max_touch_num;
 108         uint8_t int_trigger_type;
 109         bool            pendown;
 110 };
 111
 112 static const char *rk_ts_name = "Goodix Capacitive TouchScreen";
 113 struct i2c_client * i2c_connect_client = NULL;
 114 #ifdef CONFIG_TOUCHSCREEN_GOODIX_IAP
 115 static struct proc_dir_entry *goodix_proc_entry;
 116 #endif
 117 //static struct kobject *goodix_debug_kobj;
 118
 119
 120 #define READ_COOR_ADDR 0x01
 121
 122 //*****************************End of Part I *********************************
 123
 124 //*************************Touchkey Surpport Part*****************************
 125 //#define HAVE_TOUCH_KEY
 126 #ifdef HAVE_TOUCH_KEY
 127         #define READ_COOR_ADDR 0x00
 128         const uint16_t touch_key_array[]={
 129                                                                           KEY_MENU,                             //MENU
 130                                                                           KEY_HOME,                             //HOME
 131                                                                           KEY_SEND                              //CALL
 132                                                                          };
 133         #define MAX_KEY_NUM      (sizeof(touch_key_array)/sizeof(touch_key_array[0]))
 134 #else
 135         #define READ_COOR_ADDR 0x01
 136 #endif
 137 //*****************************End of Part II*********************************
 138 #if 1
 139 //*************************Firmware Update part*******************************
 140 //#define CONFIG_TOUCHSCREEN_GOODIX_IAP
 141 #ifdef CONFIG_TOUCHSCREEN_GOODIX_IAP
 142 #define UPDATE_NEW_PROTOCOL
 143
 144 unsigned int oldcrc32 = 0xFFFFFFFF;
 145 unsigned int crc32_table[256];
 146 unsigned int ulPolynomial = 0x04c11db7;
 147 unsigned char rd_cfg_addr;
 148 unsigned char rd_cfg_len;
 149 unsigned char g_enter_isp = 0;
 150
 151 static int goodix_update_write(struct file *filp, const char __user *buff, unsigned long len, void *data);
 152 static int goodix_update_read( char *page, char **start, off_t off, int count, int *eof, void *data );
 153
 154 #define PACK_SIZE                                       64                                      //update file package size
 155 #define MAX_TIMEOUT                                     60000                           //update time out conut
 156 #define MAX_I2C_RETRIES                         20                                      //i2c retry times
 157
 158 //I2C buf address
 159 #define ADDR_CMD                                        80
 160 #define ADDR_STA                                        81
 161 #ifdef UPDATE_NEW_PROTOCOL
 162         #define ADDR_DAT                                0
 163 #else
 164         #define ADDR_DAT                                82
 165 #endif
 166
 167 //moudle state
 168 #define NEW_UPDATE_START                        0x01
 169 #define UPDATE_START                            0x02
 170 #define SLAVE_READY                                     0x08
 171 #define UNKNOWN_ERROR                           0x00
 172 #define FRAME_ERROR                                     0x10
 173 #define CHECKSUM_ERROR                          0x20
 174 #define TRANSLATE_ERROR                         0x40
 175 #define FLASH_ERROR                                     0X80
 176
 177 //error no
 178 #define ERROR_NO_FILE                           2       //ENOENT
 179 #define ERROR_FILE_READ                         23      //ENFILE
 180 #define ERROR_FILE_TYPE                         21      //EISDIR
 181 #define ERROR_GPIO_REQUEST                      4       //EINTR
 182 #define ERROR_I2C_TRANSFER                      5       //EIO
 183 #define ERROR_NO_RESPONSE                       16      //EBUSY
 184 #define ERROR_TIMEOUT                           110     //ETIMEDOUT
 185
 186 //update steps
 187 #define STEP_SET_PATH              1
 188 #define STEP_CHECK_FILE            2
 189 #define STEP_WRITE_SYN             3
 190 #define STEP_WAIT_SYN              4
 191 #define STEP_WRITE_LENGTH          5
 192 #define STEP_WAIT_READY            6
 193 #define STEP_WRITE_DATA            7
 194 #define STEP_READ_STATUS           8
 195 #define FUN_CLR_VAL                9
 196 #define FUN_CMD                    10
 197 #define FUN_WRITE_CONFIG           11
 198
 199 //fun cmd
 200 #define CMD_DISABLE_TP             0
 201 #define CMD_ENABLE_TP              1
 202 #define CMD_READ_VER               2
 203 #define CMD_READ_RAW               3
 204 #define CMD_READ_DIF               4
 205 #define CMD_READ_CFG               5
 206 #define CMD_SYS_REBOOT             101
 207
 208 //read mode
 209 #define MODE_RD_VER                1
 210 #define MODE_RD_RAW                2
 211 #define MODE_RD_DIF                3
 212 #define MODE_RD_CFG                4
 213
 214
 215 #endif
 216 //*****************************End of Part III********************************
 217 #endif
 218 struct goodix_i2c_platform_data {
 219         uint32_t version;       /* Use this entry for panels with */
 220         //reservation
 221 };
 222
 223 #endif /* _LINUX_GOODIX_TOUCH_H */