FT5X06 触摸屏驱动程序，直接替换即可使用 厂家提供的资料 绝对真实可靠 已用在项目当中 资料珍贵 不能用，欢迎举报

/* * drivers/input/touchscreen/ft5x06_ex_fun.c * * FocalTech ft5x0x expand function for debug. * * Copyright (c) 2010 Focal tech Ltd. * * 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. * *Note:the error code of EIO is the general error in this file. */ #include "ft5x06_ex_fun.h" #include <linux/i2c/ft5x06_ts.h> #include <linux/mount.h> #include <linux/netdevice.h> struct Upgrade_Info{ u16 delay_aa; /*delay of write FT_UPGRADE_AA*/ u16 delay_55; /*delay of write FT_UPGRADE_55*/ u8 upgrade_id_1; /*upgrade id 1*/ u8 upgrade_id_2; /*upgrade id 2*/ u16 delay_readid; /*delay of read id*/ }; int fts_ctpm_fw_upgrade(struct i2c_client * client, u8* pbt_buf, u32 dw_lenth); static unsigned char CTPM_FW[]= { #include "ft5336_app.i" }; static struct mutex g_device_mutex; int ft5x0x_write_reg(struct i2c_client * client, u8 regaddr, u8 regvalue) { unsigned char buf[2] = {0}; buf[0] = regaddr; buf[1] = regvalue; return ft5x0x_i2c_Write(client, buf, sizeof(buf)); } int ft5x0x_read_reg(struct i2c_client * client, u8 regaddr, u8 * regvalue) { return ft5x0x_i2c_Read(client, &regaddr, 1, regvalue, 1); } int fts_ctpm_auto_clb(struct i2c_client * client) { unsigned char uc_temp; unsigned char i ; /*start auto CLB*/ msleep(200); ft5x0x_write_reg(client, 0, 0x40); msleep(100); /*make sure already enter factory mode*/ ft5x0x_write_reg(client, 2, 0x4); /*write command to start calibration*/ msleep(300); if (DEVICE_IC_TYPE == IC_FT5X36) { for(i=0;i<100;i++) { ft5x0x_read_reg(client, 0x02, &uc_temp); if (0x02 == uc_temp || 0xFF == uc_temp) { /*if 0x02, then auto clb ok, else 0xff, auto clb failure*/ break; } msleep(20); } } else { for(i=0;i<100;i++) { ft5x0x_read_reg(client, 0, &uc_temp); if (0x0 == ((uc_temp&0x70)>>4)) /*return to normal mode, calibration finish*/ { break; } msleep(20); } } /*calibration OK*/ ft5x0x_write_reg(client, 0, 0x40); /*goto factory mode for store*/ msleep(200); /*make sure already enter factory mode*/ ft5x0x_write_reg(client, 2, 0x5); /*store CLB result*/ msleep(300); ft5x0x_write_reg(client, 0, 0x0); /*return to normal mode*/ msleep(300); /*store CLB result OK*/ return 0; } /* upgrade with *.i file */ int fts_ctpm_fw_upgrade_with_i_file(struct i2c_client * client) { u8 * pbt_buf = NULL; int i_ret; int fw_len = sizeof(CTPM_FW); /*judge the fw that will be upgraded * if illegal, then stop upgrade and return. */ if(fw_len<8 || fw_len>32*1024) { pr_err("FW length error\n"); return -EIO; } if((CTPM_FW[fw_len-8]^CTPM_FW[fw_len-6])==0xFF && (CTPM_FW[fw_len-7]^CTPM_FW[fw_len-5])==0xFF && (CTPM_FW[fw_len-3]^CTPM_FW[fw_len-4])==0xFF) { /*FW upgrade*/ pbt_buf = CTPM_FW; /*call the upgrade function*/ i_ret = fts_ctpm_fw_upgrade(client, pbt_buf, sizeof(CTPM_FW)); if (i_ret != 0) { dev_err(&client->dev, "[FTS] upgrade failed. err=%d.\n", i_ret); } else { #ifdef AUTO_CLB fts_ctpm_auto_clb(client); /*start auto CLB*/ #endif } } else { dev_err(&client->dev, "FW format error\n"); return -EBADFD; } return i_ret; } u8 fts_ctpm_get_i_file_ver(void) { u16 ui_sz; ui_sz = sizeof(CTPM_FW); if (ui_sz > 2) { return CTPM_FW[ui_sz - 2]; } else { return 0x00; /*default value*/ } } int fts_ctpm_auto_upgrade(struct i2c_client * client) { u8 uc_host_fm_ver=FT5x0x_REG_FW_VER; u8 uc_tp_fm_ver; int i_ret; ft5x0x_read_reg(client, FT5x0x_REG_FW_VER, &uc_tp_fm_ver); uc_host_fm_ver = fts_ctpm_get_i_file_ver(); if ( uc_tp_fm_ver == FT5x0x_REG_FW_VER || /*the firmware in touch panel maybe corrupted*/ uc_tp_fm_ver < uc_host_fm_ver /*the firmware in host flash is new, need upgrade*/ ) { msleep(100); dev_dbg(&client->dev, "[FTS] uc_tp_fm_ver = 0x%x, uc_host_fm_ver = 0x%x\n", uc_tp_fm_ver, uc_host_fm_ver); i_ret = fts_ctpm_fw_upgrade_with_i_file(client); if (i_ret == 0) { msleep(300); uc_host_fm_ver = fts_ctpm_get_i_file_ver(); dev_dbg(&client->dev, "[FTS] upgrade to new version 0x%x\n", uc_host_fm_ver); } else { dev_err(&client->dev, "[FTS] upgrade failed ret=%d.\n", i_ret); return -EIO; } } return 0; } /* *get upgrade information depend on the ic type */ static void fts_get_upgrade_info(struct Upgrade_Info * upgrade_info) { switch(DEVICE_IC_TYPE) { case IC_FT5X06: upgrade_info->delay_55 = FT5X06_UPGRADE_55_DELAY; upgrade_info->delay_aa = FT5X06_UPGRADE_AA_DELAY; upgrade_info->upgrade_id_1 = FT5X06_UPGRADE_ID_1; upgrade_info->upgrade_id_2 = FT5X06_UPGRADE_ID_2; upgrade_info->delay_readid = FT5X06_UPGRADE_READID_DELAY; break; case IC_FT5606: upgrade_info->delay_55 = FT5606_UPGRADE_55_DELAY; upgrade_info->delay_aa = FT5606_UPGRADE_AA_DELAY; upgrade_info->upgrade_id_1 = FT5606_UPGRADE_ID_1; upgrade_info->upgrade_id_2 = FT5606_UPGRADE_ID_2; upgrade_info->delay_readid = FT5606_UPGRADE_READID_DELAY; break; case IC_FT5316: upgrade_info->delay_55 = FT5316_UPGRADE_55_DELAY; upgrade_info->delay_aa = FT5316_UPGRADE_AA_DELAY; upgrade_info->upgrade_id_1 = FT5316_UPGRADE_ID_1; upgrade_info->upgrade_id_2 = FT5316_UPGRADE_ID_2; upgrade_info->delay_readid = FT5316_UPGRADE_READID_DELAY; break; case IC_FT5X36: upgrade_info->delay_55 = FT5X36_UPGRADE_55_DELAY; upgrade_info->delay_aa = FT5X36_UPGRADE_AA_DELAY; upgrade_info->upgrade_id_1 = FT5X36_UPGRADE_ID_1; upgrade_info->upgrade_id_2 = FT5X36_UPGRADE_ID_2; upgrade_info->delay_readid = FT5X36_UPGRADE_READID_DELAY; break; default: break; } } #define FTS_UPGRADE_LOOP 3 int ft5x36_read_project_code(struct i2c_client * client, char * pProjectCode) { u8 reg_val[2] = {0}; u32 i = 0; u32 j; u32 temp; u8 packet_buf[4]; u8 auc_i2c_write_buf[10]; int i_ret; u8 is_5336_new_bootloader = 0; struct Upgrade_Info upgradeinfo; fts_get_upgrade_info(&upgradeinfo); for (i = 0; i < FTS_UPGRADE_LOOP; i++) { /*********Step 1:Reset CTPM *****/ /*write 0xaa to register 0xfc*/ ft5x0x_write_reg(client, 0xfc, FT_UPGRADE_AA); msleep(upgradeinfo.delay_aa); /*write 0x55 to register 0xfc*/ ft5x0x_write_reg(client, 0xfc, FT_UPGRADE_55); msleep(upgradeinfo.delay_55); /*********Step 2:Enter upgrade mode *****/ auc_i2c_write_buf[0] = FT_UPGRADE_55; auc_i2c_write_buf[1] = FT_UPGRADE_AA; i_ret = ft5x0x_i2c_Write(client, auc_i2c_write_buf, 2); /*********Step 3:check READ-ID***********************/ msleep(upgradeinfo.delay_readid); auc_i2c_write_buf[0] = 0x90; auc_i2c_write_buf[1] = auc_i2c_write_buf[2] = auc_i2c_write_buf[3] = 0x00; ft5x0x_i2c_Read(client, auc_i2c_write_buf, 4, reg_val, 2); if (reg_val[0] == upgradeinfo.upgrade_id_1 && reg_val[1] == upgradeinfo.upgrade_id_2) { dev_dbg(&client->dev, "[FTS] Step 3: CTPM ID,ID1 = 0x%x,ID2 = 0x%x\n",reg_val[0],reg_val[1]); break; } else { dev_err(&client->dev, "[FTS] Step 3: CTPM ID,ID1 = 0x%x,ID2 = 0x%x\n",reg_val[0],reg_val[1]); continue; } } if (i >= FTS_UPGRADE_LOOP) return -EIO; auc_i2c_write_buf[0] = 0xcd; ft5x0x_i2c_Read(client, auc_i2c_write_buf, 1, reg_val, 1); if (reg_val[0] > 4) is_5336_new_bootloader = 1;