/* drivers/input/touchscreen/gt1x_update.c
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*
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* 2010 - 2014 Goodix Technology.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be a reference
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* to you, when you are integrating the GOODiX's CTP IC into your system,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* Version: 1.4
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* Release Date: 2015/07/10
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*/
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#include <linux/interrupt.h>
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#include <linux/i2c.h>
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#include <linux/sched.h>
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#include <linux/kthread.h>
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#include <linux/wait.h>
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#include <linux/time.h>
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#include <linux/delay.h>
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#include <linux/namei.h>
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#include <linux/mount.h>
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#include <linux/uaccess.h>
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#include "gt1x_generic.h"
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#if (GTP_HOTKNOT || GTP_HEADER_FW_UPDATE)
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#include "gt1x_firmware.h"
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#endif
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#define UPDATE_FILE_PATH_1 "/data/_goodix_update_.bin"
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#define UPDATE_FILE_PATH_2 "/sdcard/_goodix_update_.bin"
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#define CONFIG_FILE_PATH_1 "/data/_gt1x_config_.cfg"
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#define CONFIG_FILE_PATH_2 "/sdcard/_gt1x_config_.cfg"
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#define FOUND_FW_PATH_1 0x01
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#define FOUND_FW_PATH_2 0x02
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#define FOUND_CFG_PATH_1 0x04
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#define FOUND_CFG_PATH_2 0x08
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#define PACK_SIZE 256
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/*hardware register define*/
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#define _bRW_MISCTL__SRAM_BANK 0x4048
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#define _bRW_MISCTL__MEM_CD_EN 0x4049
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#define _bRW_MISCTL__CACHE_EN 0x404B
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#define _bRW_MISCTL__TMR0_EN 0x40B0
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#define _rRW_MISCTL__SWRST_B0_ 0x4180
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#define _bWO_MISCTL__CPU_SWRST_PULSE 0x4184
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#define _rRW_MISCTL__BOOTCTL_B0_ 0x4190
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#define _rRW_MISCTL__BOOT_OPT_B0_ 0x4218
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#define _rRW_MISCTL__BOOT_CTL_ 0x5094
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#define _bRW_MISCTL__DSP_MCU_PWR_ 0x4010
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#define _bRW_MISCTL__PATCH_AREA_EN_ 0x404D
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/*
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1. firmware structure
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header: 128b
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offset size content
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0 4 firmware length
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4 2 checksum
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6 6 target MASK name
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12 3 target MASK version
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15 6 TP subsystem PID
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21 3 TP subsystem version
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24 1 subsystem count
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25 1 chip type 0x91: GT1X, 0x92: GT2X
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26 6 reserved
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32 8 subsystem info[0]
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32 8 subsystem info[1]
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.....
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120 8 subsystem info[11]
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body: followed header
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128 N0 subsystem[0]
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128+N0 N1 subsystem[1]
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....
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2. subsystem info structure
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offset size content
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0 1 subsystem type
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1 2 subsystem length
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3 2 stored address in flash addr = value * 256
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5 3 reserved
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*/
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#define FW_HEAD_SIZE 128
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#define FW_HEAD_SUBSYSTEM_INFO_SIZE 8
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#define FW_HEAD_OFFSET_SUBSYSTEM_INFO_BASE 32
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#define FW_SECTION_TYPE_SS51_ISP 0x01
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#define FW_SECTION_TYPE_SS51_PATCH 0x02
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#define FW_SECTION_TYPE_SS51_PATCH_OVERLAY 0x03
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#define FW_SECTION_TYPE_DSP 0x04
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#define FW_SECTION_TYPE_HOTKNOT 0x05
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#define FW_SECTION_TYPE_GESTURE 0x06
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#define FW_SECTION_TYPE_GESTURE_OVERLAY 0x07
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#define FW_SECTION_TYPE_FLASHLESS_FAST_POWER 0x08
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#define UPDATE_TYPE_HEADER 0
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#define UPDATE_TYPE_FILE 1
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#define UPDATE_STATUS_IDLE 0
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#define UPDATE_STATUS_RUNNING 1
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#define UPDATE_STATUS_ABORT 2
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struct fw_subsystem_info {
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int type;
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int length;
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u32 address;
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int offset;
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};
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#pragma pack(1)
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struct fw_info {
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u32 length;
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u16 checksum;
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u8 target_mask[6];
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u8 target_mask_version[3];
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u8 pid[6];
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u8 version[3];
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u8 subsystem_count;
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u8 chip_type;
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u8 reserved[6];
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struct fw_subsystem_info subsystem[12];
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};
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#pragma pack()
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struct fw_update_info update_info = {
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.status = UPDATE_STATUS_IDLE,
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.progress = 0,
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.max_progress = 9,
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.force_update = 0
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};
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// int gt1x_update_prepare(char *filename);
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int gt1x_check_firmware(void);
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u8 *gt1x_get_fw_data(u32 offset, int length);
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int gt1x_update_judge(void);
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int gt1x_run_ss51_isp(u8 *ss51_isp, int length);
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int gt1x_burn_subsystem(struct fw_subsystem_info *subsystem);
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u16 gt1x_calc_checksum(u8 *fw, u32 length);
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int gt1x_recall_check(u8 *chk_src, u16 start_rd_addr, u16 chk_length);
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void gt1x_update_cleanup(void);
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int gt1x_check_subsystem_in_flash(struct fw_subsystem_info *subsystem);
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int gt1x_read_flash(u32 addr, int length);
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int gt1x_error_erase(void);
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// void dump_to_file(u16 addr, int length, char *filepath);
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int gt1x_update_firmware(void *filename);
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int gt1x_auto_update_proc(void *data);
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#if !GTP_HEADER_FW_UPDATE
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// static int gt1x_search_update_files(void);
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#endif
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int gt1x_hold_ss51_dsp(void);
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void gt1x_leave_update_mode(void);
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/**
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* @return: return 0 if success, otherwise return a negative number
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* which contains the error code.
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*/
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#if 0 //close for GKI
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s32 gt1x_check_fs_mounted(char *path_name)
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{
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struct path root_path;
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struct path path;
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s32 err;
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err = kern_path("/", LOOKUP_FOLLOW, &root_path);
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if (err)
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return ERROR_PATH;
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err = kern_path(path_name, LOOKUP_FOLLOW, &path);
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if (err) {
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err = ERROR_PATH;
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goto check_fs_fail;
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}
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if (path.mnt->mnt_sb == root_path.mnt->mnt_sb) {
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/*not mounted*/
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err = ERROR_PATH;
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} else {
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err = 0;
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}
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path_put(&path);
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check_fs_fail:
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path_put(&root_path);
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return err;
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}
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#endif
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int gt1x_i2c_write_with_readback(u16 addr, u8 *buffer, int length)
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{
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u8 buf[100];
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int ret = gt1x_i2c_write(addr, buffer, length);
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if (ret) {
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return ret;
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}
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ret = gt1x_i2c_read(addr, buf, length);
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if (ret) {
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return ret;
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}
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if (memcmp(buf, buffer, length)) {
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return ERROR_CHECK;
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}
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return 0;
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}
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#define getU32(a) ((u32)getUint((u8 *)(a), 4))
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#define getU16(a) ((u16)getUint((u8 *)(a), 2))
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u32 getUint(u8 *buffer, int len)
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{
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u32 num = 0;
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int i;
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for (i = 0; i < len; i++) {
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num <<= 8;
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num += buffer[i];
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}
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return num;
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}
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int gt1x_auto_update_proc(void *data)
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{
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/* auto update from /data/_goodix_update_.bin
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* Does not meet the gki standard.
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* close auto update function.
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*/
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GTP_ERROR("auto update failed! return\n");
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return 0;
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#if 0
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#if GTP_HEADER_FW_UPDATE
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GTP_INFO("Start auto update thread...");
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gt1x_update_firmware(NULL);
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#else
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int ret;
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char *filename;
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u8 config[GTP_CONFIG_MAX_LENGTH] = { 0 };
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GTP_INFO("Start auto update thread...");
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ret = gt1x_search_update_files();
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if (ret & (FOUND_FW_PATH_1 | FOUND_FW_PATH_2)) {
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if (ret & FOUND_FW_PATH_1) {
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filename = UPDATE_FILE_PATH_1;
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} else {
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filename = UPDATE_FILE_PATH_2;
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}
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gt1x_update_firmware(filename);
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}
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if (ret & (FOUND_CFG_PATH_1 | FOUND_CFG_PATH_2)) {
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if (ret & FOUND_CFG_PATH_1) {
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filename = CONFIG_FILE_PATH_1;
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} else {
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filename = CONFIG_FILE_PATH_2;
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}
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if (gt1x_parse_config(filename, config) > 0) {
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if (gt1x_i2c_write(GTP_REG_CONFIG_DATA, config, GTP_CONFIG_MAX_LENGTH)) {
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GTP_ERROR("Update config failed!");
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} else {
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GTP_INFO("Update config successfully!");
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}
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}
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}
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#endif
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return 0;
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#endif
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}
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#if 0 //!GTP_HEADER_FW_UPDATE
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static int gt1x_search_update_files(void)
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{
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/*wait 10s(max) if fs is not ready*/
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int retry = 20 * 2;
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struct file *pfile = NULL;
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mm_segment_t old_fs;
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int found = 0;
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old_fs = get_fs();
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set_fs(KERNEL_DS);
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GTP_INFO("Search firmware file...");
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while (retry-- > 0) {
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msleep(500);
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/*check if rootfs is ready*/
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if (gt1x_check_fs_mounted("/data")) {
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GTP_DEBUG("filesystem is not ready");
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continue;
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}
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/*search firmware*/
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pfile = filp_open(UPDATE_FILE_PATH_1, O_RDONLY, 0);
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if (IS_ERR(pfile)) {
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pfile = filp_open(UPDATE_FILE_PATH_2, O_RDONLY, 0);
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if (!IS_ERR(pfile)) {
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found |= FOUND_FW_PATH_2;
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}
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} else {
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found |= FOUND_FW_PATH_1;
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}
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if (!IS_ERR(pfile)) {
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filp_close(pfile, NULL);
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}
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/*search config file*/
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pfile = filp_open(CONFIG_FILE_PATH_1, O_RDONLY, 0);
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if (IS_ERR(pfile)) {
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pfile = filp_open(CONFIG_FILE_PATH_2, O_RDONLY, 0);
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if (!IS_ERR(pfile)) {
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found |= FOUND_CFG_PATH_2;
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}
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} else {
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found |= FOUND_CFG_PATH_1;
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}
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if (!IS_ERR(pfile)) {
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filp_close(pfile, NULL);
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}
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if (found) {
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break;
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}
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GTP_INFO("Not found firmware or config file, retry.");
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}
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set_fs(old_fs);
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return found;
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}
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#endif
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void gt1x_enter_update_mode(void)
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{
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GTP_DEBUG("Enter FW update mode.");
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#if GTP_ESD_PROTECT
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gt1x_esd_switch(SWITCH_OFF);
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#endif
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#if GTP_CHARGER_SWITCH
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gt1x_charger_switch(SWITCH_OFF);
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#endif
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gt1x_irq_disable();
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}
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int gt1x_update_firmware(void *filename)
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{
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/*
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* gt1x update firmware doesn't meet gki
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*/
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GTP_ERROR("gt1x update firmware failed\n");
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return 0;
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#if 0
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int i = 0;
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int ret = 0;
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u8 *p;
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if (update_info.status != UPDATE_STATUS_IDLE) {
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GTP_ERROR("Update process is running!");
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return ERROR;
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}
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update_info.status = UPDATE_STATUS_RUNNING;
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update_info.progress = 0;
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gt1x_enter_update_mode();
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ret = gt1x_update_prepare(filename);
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if (ret) {
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update_info.status = UPDATE_STATUS_IDLE;
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return ret;
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}
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ret = gt1x_check_firmware();
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if (ret) {
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update_info.status = UPDATE_STATUS_ABORT;
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goto gt1x_update_exit;
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}
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#if GTP_FW_UPDATE_VERIFY
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update_info.max_progress =
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6 + update_info.firmware->subsystem_count;
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#else
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update_info.max_progress =
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3 + update_info.firmware->subsystem_count;
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#endif
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update_info.progress++;
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ret = gt1x_update_judge();
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if (ret) {
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update_info.status = UPDATE_STATUS_ABORT;
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goto gt1x_update_exit;
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}
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update_info.progress++;
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p = gt1x_get_fw_data(update_info.firmware->subsystem[0].offset, update_info.firmware->subsystem[0].length);
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if (p == NULL) {
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GTP_ERROR("get isp fail");
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ret = ERROR_FW;
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update_info.status = UPDATE_STATUS_ABORT;
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goto gt1x_update_exit;
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}
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update_info.progress++;
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ret = gt1x_run_ss51_isp(p, update_info.firmware->subsystem[0].length);
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if (ret) {
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GTP_ERROR("run isp fail");
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goto gt1x_update_exit;
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}
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update_info.progress++;
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msleep(800);
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for (i = 1; i < update_info.firmware->subsystem_count; i++) {
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GTP_INFO("subsystem: %d", update_info.firmware->subsystem[i].type);
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GTP_INFO("Length: %d", update_info.firmware->subsystem[i].length);
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GTP_INFO("Address: %d", update_info.firmware->subsystem[i].address);
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ret = gt1x_burn_subsystem(&(update_info.firmware->subsystem[i]));
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if (ret) {
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GTP_ERROR("burn subsystem fail!");
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goto gt1x_update_exit;
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}
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update_info.progress++;
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}
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#if GTP_FW_UPDATE_VERIFY
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gt1x_reset_guitar();
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p = gt1x_get_fw_data(update_info.firmware->subsystem[0].offset, update_info.firmware->subsystem[0].length);
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if (p == NULL) {
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GTP_ERROR("get isp fail");
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ret = ERROR_FW;
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goto gt1x_update_exit;
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}
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update_info.progress++;
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ret = gt1x_run_ss51_isp(p, update_info.firmware->subsystem[0].length);
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if (ret) {
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GTP_ERROR("run isp fail");
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goto gt1x_update_exit;
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}
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update_info.progress++;
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GTP_INFO("Reset guitar & check firmware in flash.");
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for (i = 1; i < update_info.firmware->subsystem_count; i++) {
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GTP_INFO("subsystem: %d", update_info.firmware->subsystem[i].type);
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GTP_INFO("Length: %d", update_info.firmware->subsystem[i].length);
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GTP_INFO("Address: %d", update_info.firmware->subsystem[i].address);
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ret = gt1x_check_subsystem_in_flash(&(update_info.firmware->subsystem[i]));
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if (ret) {
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gt1x_error_erase();
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break;
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}
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}
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update_info.progress++;
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#endif
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gt1x_update_exit:
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gt1x_update_cleanup();
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gt1x_leave_update_mode();
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gt1x_read_version(NULL);
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if (ret) {
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update_info.progress = 2 * update_info.max_progress;
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GTP_ERROR("Update firmware failed!");
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return ret;
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} else if (gt1x_init_failed) {
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gt1x_read_version(>1x_version);
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gt1x_init_panel();
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#if GTP_CHARGER_SWITCH
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gt1x_parse_chr_cfg(gt1x_version.sensor_id);
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#endif
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#if GTP_SMART_COVER
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gt1x_parse_sc_cfg(gt1x_version.sensor_id);
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#endif
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}
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GTP_INFO("Update firmware succeefully!");
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return ret;
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#endif
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}
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#if 0 //close for GKI
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int gt1x_update_prepare(char *filename)
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{
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int ret = 0;
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int retry = 5;
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if (filename == NULL) {
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#if GTP_HEADER_FW_UPDATE
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update_info.fw_name = NULL;
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update_info.update_type = UPDATE_TYPE_HEADER;
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update_info.fw_data = gt1x_default_FW;
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update_info.fw_length = sizeof(gt1x_default_FW);
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#else
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GTP_ERROR("No Fw in .h file!");
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return ERROR_FW;
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#endif
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} else {
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GTP_INFO("Firmware: %s", filename);
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update_info.old_fs = get_fs();
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set_fs(KERNEL_DS);
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update_info.fw_name = filename;
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update_info.update_type = UPDATE_TYPE_FILE;
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update_info.fw_file = filp_open(update_info.fw_name, O_RDONLY, 0);
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if (IS_ERR(update_info.fw_file)) {
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GTP_ERROR("Open update file(%s) error!", update_info.fw_name);
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set_fs(update_info.old_fs);
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return ERROR_FILE;
|
}
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update_info.fw_file->f_op->llseek(update_info.fw_file, 0, SEEK_SET);
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update_info.fw_length = update_info.fw_file->f_op->llseek(update_info.fw_file, 0, SEEK_END);
|
}
|
|
while (retry > 0) {
|
retry--;
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update_info.firmware = kzalloc(sizeof(struct fw_info), GFP_KERNEL);
|
if (update_info.firmware == NULL) {
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GTP_INFO("Alloc %zu bytes memory fail.", sizeof(struct fw_info));
|
continue;
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} else {
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GTP_INFO("Alloc %zu bytes memory success.", sizeof(struct fw_info));
|
break;
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}
|
}
|
if (retry <= 0) {
|
ret = ERROR_RETRY;
|
goto gt1x_update_pre_fail1;
|
}
|
|
retry = 5;
|
while (retry > 0) {
|
update_info.buffer = kzalloc(1024 * 4, GFP_KERNEL);
|
if (update_info.buffer == NULL) {
|
GTP_ERROR("Alloc %d bytes memory fail.", 1024 * 4);
|
continue;
|
} else {
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GTP_INFO("Alloc %d bytes memory success.", 1024 * 4);
|
break;
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}
|
}
|
if (retry <= 0) {
|
ret = ERROR_RETRY;
|
goto gt1x_update_pre_fail0;
|
}
|
|
return 0;
|
|
gt1x_update_pre_fail0:
|
kfree(update_info.firmware);
|
gt1x_update_pre_fail1:
|
filp_close(update_info.fw_file, NULL);
|
return ret;
|
}
|
|
void gt1x_update_cleanup(void)
|
{
|
if (update_info.update_type == UPDATE_TYPE_FILE) {
|
if (update_info.fw_file != NULL) {
|
filp_close(update_info.fw_file, NULL);
|
update_info.fw_file = NULL;
|
}
|
set_fs(update_info.old_fs);
|
}
|
|
if (update_info.buffer != NULL) {
|
kfree(update_info.buffer);
|
update_info.buffer = NULL;
|
}
|
if (update_info.firmware != NULL) {
|
kfree(update_info.firmware);
|
update_info.firmware = NULL;
|
}
|
}
|
|
int gt1x_check_firmware(void)
|
{
|
u16 checksum;
|
u16 checksum_in_header;
|
u8 *p;
|
struct fw_info *firmware;
|
int i;
|
int offset;
|
|
/*compare file length with the length field in the firmware header*/
|
if (update_info.fw_length < FW_HEAD_SIZE) {
|
GTP_ERROR("Bad firmware!(file length: %d)", update_info.fw_length);
|
return ERROR_CHECK;
|
}
|
p = gt1x_get_fw_data(0, 6);
|
if (p == NULL) {
|
return ERROR_FW;
|
}
|
|
if (getU32(p) + 6 != update_info.fw_length) {
|
GTP_ERROR("Bad firmware!(file length: %d, header define: %d)", update_info.fw_length, getU32(p));
|
return ERROR_CHECK;
|
}
|
/*check firmware's checksum*/
|
checksum_in_header = getU16(&p[4]);
|
checksum = 0;
|
for (i = 6; i < update_info.fw_length; i++) {
|
p = gt1x_get_fw_data(i, 1);
|
if (p == NULL) {
|
return ERROR_FW;
|
}
|
checksum += p[0];
|
}
|
|
if (checksum != checksum_in_header) {
|
GTP_ERROR("Bad firmware!(checksum: 0x%04X, header define: 0x%04X)", checksum, checksum_in_header);
|
return ERROR_CHECK;
|
}
|
/*parse firmware*/
|
p = gt1x_get_fw_data(0, FW_HEAD_SIZE);
|
if (p == NULL) {
|
return ERROR_FW;
|
}
|
memcpy((u8 *) update_info.firmware, p, FW_HEAD_SIZE - 8 * 12);
|
update_info.firmware->pid[5] = 0;
|
|
p = &p[FW_HEAD_OFFSET_SUBSYSTEM_INFO_BASE];
|
firmware = update_info.firmware;
|
offset = FW_HEAD_SIZE;
|
for (i = 0; i < firmware->subsystem_count; i++) {
|
firmware->subsystem[i].type = p[i * FW_HEAD_SUBSYSTEM_INFO_SIZE];
|
firmware->subsystem[i].length = getU16(&p[i * FW_HEAD_SUBSYSTEM_INFO_SIZE + 1]);
|
firmware->subsystem[i].address = getU16(&p[i * FW_HEAD_SUBSYSTEM_INFO_SIZE + 3]) * 256;
|
firmware->subsystem[i].offset = offset;
|
offset += firmware->subsystem[i].length;
|
}
|
|
/*print update information*/
|
GTP_INFO("Update type: %s", update_info.update_type == UPDATE_TYPE_HEADER ? "Header" : "File");
|
GTP_INFO("Firmware length: %d", update_info.fw_length);
|
GTP_INFO("Firmware product: GT%s", update_info.firmware->pid);
|
GTP_INFO("Firmware patch: %02X%02X%02X", update_info.firmware->version[0], update_info.firmware->version[1], update_info.firmware->version[2]);
|
GTP_INFO("Firmware chip: 0x%02X", update_info.firmware->chip_type);
|
GTP_INFO("Subsystem count: %d", update_info.firmware->subsystem_count);
|
for (i = 0; i < update_info.firmware->subsystem_count; i++) {
|
GTP_DEBUG("------------------------------------------");
|
GTP_DEBUG("Subsystem: %d", i);
|
GTP_DEBUG("Type: %d", update_info.firmware->subsystem[i].type);
|
GTP_DEBUG("Length: %d", update_info.firmware->subsystem[i].length);
|
GTP_DEBUG("Address: 0x%08X", update_info.firmware->subsystem[i].address);
|
GTP_DEBUG("Offset: %d", update_info.firmware->subsystem[i].offset);
|
}
|
|
return 0;
|
}
|
#endif
|
|
/**
|
* @return: return a pointer pointed at the content of firmware
|
* if success, otherwise return NULL.
|
*/
|
u8 *gt1x_get_fw_data(u32 offset, int length)
|
{
|
int ret;
|
if (update_info.update_type == UPDATE_TYPE_FILE) {
|
update_info.fw_file->f_op->llseek(update_info.fw_file, offset, SEEK_SET);
|
ret = update_info.fw_file->f_op->read(update_info.fw_file, (char *)update_info.buffer, length, &update_info.fw_file->f_pos);
|
if (ret < 0) {
|
GTP_ERROR("Read data error!");
|
return NULL;
|
}
|
return update_info.buffer;
|
} else {
|
return &update_info.fw_data[offset];
|
}
|
}
|
|
int gt1x_update_judge(void)
|
{
|
int ret;
|
u8 reg_val[2] = {0};
|
u8 retry = 2;
|
struct gt1x_version_info ver_info;
|
struct gt1x_version_info fw_ver_info;
|
|
fw_ver_info.mask_id = (update_info.firmware->target_mask_version[0] << 16)
|
| (update_info.firmware->target_mask_version[1] << 8)
|
| (update_info.firmware->target_mask_version[2]);
|
fw_ver_info.patch_id = (update_info.firmware->version[0] << 16)
|
| (update_info.firmware->version[1] << 8)
|
| (update_info.firmware->version[2]);
|
memcpy(fw_ver_info.product_id, update_info.firmware->pid, 4);
|
fw_ver_info.product_id[4] = 0;
|
|
/* check fw status reg */
|
do {
|
ret = gt1x_i2c_read_dbl_check(GTP_REG_FW_CHK_MAINSYS, reg_val, 1);
|
if (ret < 0) { /* read reg failed */
|
goto _reset;
|
} else if (ret > 0) {
|
continue;
|
}
|
|
ret = gt1x_i2c_read_dbl_check(GTP_REG_FW_CHK_SUBSYS, ®_val[1], 1);
|
if (ret < 0) {
|
goto _reset;
|
} else if (ret > 0) {
|
continue;
|
}
|
|
break;
|
_reset:
|
gt1x_reset_guitar();
|
} while (--retry);
|
|
if (!retry) {
|
GTP_INFO("Update abort because of i2c error.");
|
return ERROR_CHECK;
|
}
|
if (reg_val[0] != 0xBE || reg_val[1] == 0xAA) {
|
GTP_INFO("Check fw status reg not pass,reg[0x814E]=0x%2X,reg[0x5095]=0x%2X!",
|
reg_val[0], reg_val[1]);
|
return 0;
|
}
|
|
ret = gt1x_read_version(&ver_info);
|
if (ret < 0) {
|
GTP_INFO("Get IC's version info failed, force update!");
|
return 0;
|
}
|
|
if (memcmp(fw_ver_info.product_id, ver_info.product_id, 4)) {
|
GTP_INFO("Product id is not match!");
|
return ERROR_CHECK;
|
}
|
if ((fw_ver_info.mask_id & 0xFFFFFF00) != (ver_info.mask_id & 0xFFFFFF00)) {
|
GTP_INFO("Mask id is not match!");
|
return ERROR_CHECK;
|
}
|
if ((fw_ver_info.patch_id & 0xFF0000) != (ver_info.patch_id & 0xFF0000)) {
|
GTP_INFO("CID is not equal, need update!");
|
return 0;
|
}
|
#if GTP_DEBUG_ON
|
if (update_info.force_update) {
|
GTP_DEBUG("Debug mode, force update fw.");
|
return 0;
|
}
|
#endif
|
if ((fw_ver_info.patch_id & 0xFFFF) <= (ver_info.patch_id & 0xFFFF)) {
|
GTP_INFO("The version of the fw is not high than the IC's!");
|
return ERROR_CHECK;
|
}
|
return 0;
|
}
|
|
int __gt1x_hold_ss51_dsp_20(void)
|
{
|
int ret = -1;
|
int retry = 0;
|
u8 buf[1];
|
int hold_times = 0;
|
|
while (retry++ < 30) {
|
/*Hold ss51 & dsp*/
|
buf[0] = 0x0C;
|
ret = gt1x_i2c_write(_rRW_MISCTL__SWRST_B0_, buf, 1);
|
if (ret) {
|
GTP_ERROR("Hold ss51 & dsp I2C error,retry:%d", retry);
|
continue;
|
}
|
/*Confirm hold*/
|
buf[0] = 0x00;
|
ret = gt1x_i2c_read(_rRW_MISCTL__SWRST_B0_, buf, 1);
|
if (ret) {
|
GTP_ERROR("Hold ss51 & dsp I2C error,retry:%d", retry);
|
continue;
|
}
|
if (0x0C == buf[0]) {
|
if (hold_times++ < 20) {
|
continue;
|
} else {
|
break;
|
}
|
}
|
GTP_ERROR("Hold ss51 & dsp confirm 0x4180 failed,value:%d", buf[0]);
|
}
|
if (retry >= 30) {
|
GTP_ERROR("Hold ss51&dsp failed!");
|
return ERROR_RETRY;
|
}
|
|
GTP_INFO("Hold ss51&dsp successfully.");
|
return 0;
|
}
|
|
int gt1x_hold_ss51_dsp(void)
|
{
|
int ret = ERROR, retry = 5;
|
u8 buffer[2];
|
|
do {
|
gt1x_select_addr();
|
ret = gt1x_i2c_read(0x4220, buffer, 1);
|
|
} while (retry-- && ret < 0);
|
|
if (ret < 0)
|
return ERROR;
|
|
/*hold ss51_dsp*/
|
ret = __gt1x_hold_ss51_dsp_20();
|
if (ret) {
|
return ret;
|
}
|
/*enable dsp & mcu power*/
|
buffer[0] = 0x00;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__DSP_MCU_PWR_, buffer, 1);
|
if (ret) {
|
GTP_ERROR("enabel dsp & mcu power fail!");
|
return ret;
|
}
|
/*disable watchdog*/
|
buffer[0] = 0x00;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__TMR0_EN, buffer, 1);
|
if (ret) {
|
GTP_ERROR("disable wdt fail!");
|
return ret;
|
}
|
/*clear cache*/
|
buffer[0] = 0x00;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__CACHE_EN, buffer, 1);
|
if (ret) {
|
GTP_ERROR("clear cache fail!");
|
return ret;
|
}
|
/*soft reset*/
|
buffer[0] = 0x01;
|
ret = gt1x_i2c_write(_bWO_MISCTL__CPU_SWRST_PULSE, buffer, 1);
|
if (ret) {
|
GTP_ERROR("software reset fail!");
|
return ret;
|
}
|
/*set scramble*/
|
buffer[0] = 0x00;
|
ret = gt1x_i2c_write_with_readback(_rRW_MISCTL__BOOT_OPT_B0_, buffer, 1);
|
if (ret) {
|
GTP_ERROR("set scramble fail!");
|
return ret;
|
}
|
|
return 0;
|
}
|
|
int gt1x_run_ss51_isp(u8 *ss51_isp, int length)
|
{
|
int ret;
|
u8 buffer[10];
|
|
ret = gt1x_hold_ss51_dsp();
|
if (ret) {
|
return ret;
|
}
|
/*select bank4*/
|
buffer[0] = 0x04;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__SRAM_BANK, buffer, 1);
|
if (ret) {
|
GTP_ERROR("select bank4 fail.");
|
return ret;
|
}
|
/*enable patch area access*/
|
buffer[0] = 0x01;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__PATCH_AREA_EN_, buffer, 1);
|
if (ret) {
|
GTP_ERROR("enable patch area access fail!");
|
return ret;
|
}
|
|
GTP_INFO("ss51_isp length: %d, checksum: 0x%04X", length, gt1x_calc_checksum(ss51_isp, length));
|
/*load ss51 isp*/
|
ret = gt1x_i2c_write(0xC000, ss51_isp, length);
|
if (ret) {
|
GTP_ERROR("load ss51 isp fail!");
|
return ret;
|
}
|
/*recall compare*/
|
ret = gt1x_recall_check(ss51_isp, 0xC000, length);
|
if (ret) {
|
GTP_ERROR("recall check ss51 isp fail!");
|
return ret;
|
}
|
|
memset(buffer, 0xAA, 10);
|
ret = gt1x_i2c_write_with_readback(0x8140, buffer, 10);
|
|
/*disable patch area access*/
|
buffer[0] = 0x00;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__PATCH_AREA_EN_, buffer, 1);
|
if (ret) {
|
GTP_ERROR("disable patch area access fail!");
|
return ret;
|
}
|
/*set 0x8006*/
|
memset(buffer, 0x55, 8);
|
ret = gt1x_i2c_write_with_readback(0x8006, buffer, 8);
|
if (ret) {
|
GTP_ERROR("set 0x8006[0~7] 0x55 fail!");
|
return ret;
|
}
|
/*release ss51*/
|
buffer[0] = 0x08;
|
ret = gt1x_i2c_write_with_readback(_rRW_MISCTL__SWRST_B0_, buffer, 1);
|
if (ret) {
|
GTP_ERROR("release ss51 fail!");
|
return ret;
|
}
|
|
msleep(100);
|
/*check run state*/
|
ret = gt1x_i2c_read(0x8006, buffer, 2);
|
if (ret) {
|
GTP_ERROR("read 0x8006 fail!");
|
return ret;
|
}
|
if (!(buffer[0] == 0xAA && buffer[1] == 0xBB)) {
|
GTP_ERROR("ERROR: isp is not running! 0x8006: %02X %02X", buffer[0], buffer[1]);
|
return ERROR_CHECK;
|
}
|
|
return 0;
|
}
|
|
u16 gt1x_calc_checksum(u8 *fw, u32 length)
|
{
|
u32 i = 0;
|
u32 checksum = 0;
|
|
for (i = 0; i < length; i += 2) {
|
checksum += (((int)fw[i]) << 8);
|
checksum += fw[i + 1];
|
}
|
return (checksum & 0xFFFF);
|
}
|
|
int gt1x_recall_check(u8 *chk_src, u16 start_addr, u16 chk_length)
|
{
|
u8 rd_buf[PACK_SIZE];
|
s32 ret = 0;
|
u16 len = 0;
|
u32 compared_length = 0;
|
|
while (chk_length > 0) {
|
len = (chk_length > PACK_SIZE ? PACK_SIZE : chk_length);
|
|
ret = gt1x_i2c_read(start_addr + compared_length, rd_buf, len);
|
if (ret) {
|
GTP_ERROR("recall i2c error,exit!");
|
return ret;
|
}
|
|
if (memcmp(rd_buf, &chk_src[compared_length], len)) {
|
GTP_ERROR("Recall frame not equal(addr: 0x%04X)", start_addr + compared_length);
|
GTP_DEBUG("chk_src array:");
|
GTP_DEBUG_ARRAY(&chk_src[compared_length], len);
|
GTP_DEBUG("recall array:");
|
GTP_DEBUG_ARRAY(rd_buf, len);
|
return ERROR_CHECK;
|
}
|
|
chk_length -= len;
|
compared_length += len;
|
}
|
|
GTP_DEBUG("Recall check %d bytes(address: 0x%04X) success.", compared_length, start_addr);
|
return 0;
|
}
|
|
int gt1x_burn_subsystem(struct fw_subsystem_info *subsystem)
|
{
|
int block_len;
|
u16 checksum;
|
int burn_len = 0;
|
u16 cur_addr;
|
u32 length = subsystem->length;
|
u8 buffer[10];
|
int ret;
|
int wait_time;
|
int burn_state;
|
int retry = 5;
|
u8 *fw;
|
|
GTP_INFO("Subsystem: %d", subsystem->type);
|
GTP_INFO("Length: %d", subsystem->length);
|
GTP_INFO("Address: 0x%08X", subsystem->address);
|
|
while (length > 0 && retry > 0) {
|
retry--;
|
|
block_len = length > 1024 * 4 ? 1024 * 4 : length;
|
|
GTP_INFO("Burn block ==> length: %d, address: 0x%08X", block_len, subsystem->address + burn_len);
|
fw = gt1x_get_fw_data(subsystem->offset + burn_len, block_len);
|
if (!fw)
|
return ERROR_FW;
|
cur_addr = ((subsystem->address + burn_len) >> 8);
|
|
checksum = 0;
|
checksum += block_len;
|
checksum += cur_addr;
|
checksum += gt1x_calc_checksum(fw, block_len);
|
checksum = (0 - checksum);
|
|
buffer[0] = ((block_len >> 8) & 0xFF);
|
buffer[1] = (block_len & 0xFF);
|
buffer[2] = ((cur_addr >> 8) & 0xFF);
|
buffer[3] = (cur_addr & 0xFF);
|
|
ret = gt1x_i2c_write_with_readback(0x8100, buffer, 4);
|
if (ret) {
|
GTP_ERROR("write length & address fail!");
|
continue;
|
}
|
|
ret = gt1x_i2c_write(0x8100 + 4, fw, block_len);
|
if (ret) {
|
GTP_ERROR("write fw data fail!");
|
continue;
|
}
|
|
buffer[0] = ((checksum >> 8) & 0xFF);
|
buffer[1] = (checksum & 0xFF);
|
ret = gt1x_i2c_write_with_readback(0x8100 + 4 + block_len, buffer, 2);
|
if (ret) {
|
GTP_ERROR("write checksum fail!");
|
continue;
|
}
|
|
buffer[0] = 0;
|
ret = gt1x_i2c_write_with_readback(0x8022, buffer, 1);
|
if (ret) {
|
GTP_ERROR("clear control flag fail!");
|
continue;
|
}
|
|
buffer[0] = subsystem->type;
|
buffer[1] = subsystem->type;
|
ret = gt1x_i2c_write_with_readback(0x8020, buffer, 2);
|
if (ret) {
|
GTP_ERROR("write subsystem type fail!");
|
continue;
|
}
|
burn_state = ERROR;
|
wait_time = 200;
|
usleep_range(5000, 6000);
|
|
while (wait_time-- > 0) {
|
u8 confirm = 0x55;
|
|
ret = gt1x_i2c_read(0x8022, buffer, 1);
|
if (ret < 0) {
|
continue;
|
}
|
usleep_range(5000, 6000);
|
ret = gt1x_i2c_read(0x8022, &confirm, 1);
|
if (ret < 0) {
|
continue;
|
}
|
if (buffer[0] != confirm)
|
continue;
|
|
if (buffer[0] == 0xAA) {
|
GTP_DEBUG("burning.....");
|
continue;
|
} else if (buffer[0] == 0xDD) {
|
GTP_ERROR("checksum error!");
|
break;
|
} else if (buffer[0] == 0xBB) {
|
GTP_INFO("burning success.");
|
burn_state = 0;
|
break;
|
} else if (buffer[0] == 0xCC) {
|
GTP_ERROR("burning failed!");
|
break;
|
} else {
|
GTP_DEBUG("unknown state!(0x8022: 0x%02X)", buffer[0]);
|
}
|
}
|
|
if (!burn_state) {
|
length -= block_len;
|
burn_len += block_len;
|
retry = 5;
|
}
|
}
|
if (length == 0) {
|
return 0;
|
} else {
|
return ERROR_RETRY;
|
}
|
}
|
|
int gt1x_check_subsystem_in_flash(struct fw_subsystem_info *subsystem)
|
{
|
int block_len;
|
int checked_len = 0;
|
u32 length = subsystem->length;
|
int ret;
|
int check_state = 0;
|
int retry = 5;
|
u8 *fw;
|
|
GTP_INFO("Subsystem: %d", subsystem->type);
|
GTP_INFO("Length: %d", subsystem->length);
|
GTP_INFO("Address: 0x%08X", subsystem->address);
|
|
while (length > 0) {
|
block_len = length > 1024 * 4 ? 1024 * 4 : length;
|
|
GTP_INFO("Check block ==> length: %d, address: 0x%08X", block_len, subsystem->address + checked_len);
|
fw = gt1x_get_fw_data(subsystem->offset + checked_len, block_len);
|
if (fw == NULL) {
|
return ERROR_FW;
|
}
|
ret = gt1x_read_flash(subsystem->address + checked_len, block_len);
|
if (ret) {
|
check_state |= ret;
|
}
|
|
ret = gt1x_recall_check(fw, 0x8100, block_len);
|
if (ret) {
|
GTP_ERROR("Block in flash is broken!");
|
check_state |= ret;
|
}
|
|
length -= block_len;
|
checked_len += block_len;
|
retry = 5;
|
}
|
if (check_state) {
|
GTP_ERROR("Subsystem in flash is broken!");
|
} else {
|
GTP_INFO("Subsystem in flash is correct!");
|
}
|
return check_state;
|
}
|
|
int gt1x_read_flash(u32 addr, int length)
|
{
|
int wait_time;
|
int ret = 0;
|
u8 buffer[4];
|
u16 read_addr = (addr >> 8);
|
|
GTP_INFO("Read flash: 0x%04X, length: %d", addr, length);
|
|
buffer[0] = 0;
|
ret = gt1x_i2c_write_with_readback(0x8022, buffer, 1);
|
|
buffer[0] = ((length >> 8) & 0xFF);
|
buffer[1] = (length & 0xFF);
|
buffer[2] = ((read_addr >> 8) & 0xFF);
|
buffer[3] = (read_addr & 0xFF);
|
ret |= gt1x_i2c_write_with_readback(0x8100, buffer, 4);
|
|
buffer[0] = 0xAA;
|
buffer[1] = 0xAA;
|
ret |= gt1x_i2c_write(0x8020, buffer, 2);
|
if (ret) {
|
GTP_ERROR("Error occured.");
|
return ret;
|
}
|
|
wait_time = 200;
|
while (wait_time > 0) {
|
wait_time--;
|
usleep_range(5000, 6000);
|
ret = gt1x_i2c_read_dbl_check(0x8022, buffer, 1);
|
if (ret) {
|
continue;
|
}
|
if (buffer[0] == 0xBB) {
|
GTP_INFO("Read success(addr: 0x%04X, length: %d)", addr, length);
|
break;
|
}
|
}
|
if (wait_time == 0) {
|
GTP_ERROR("Read Flash FAIL!");
|
return ERROR_RETRY;
|
}
|
return 0;
|
}
|
|
int gt1x_error_erase(void)
|
{
|
int block_len;
|
u16 checksum;
|
u16 erase_addr;
|
u8 buffer[10];
|
int ret;
|
int wait_time;
|
int burn_state = ERROR;
|
int retry = 5;
|
u8 *fw = NULL;
|
|
GTP_INFO("Erase flash area of ss51.");
|
|
gt1x_reset_guitar();
|
|
fw = gt1x_get_fw_data(update_info.firmware->subsystem[0].offset,
|
update_info.firmware->subsystem[0].length);
|
if (!fw) {
|
GTP_ERROR("get isp fail");
|
return ERROR_FW;
|
}
|
ret = gt1x_run_ss51_isp(fw, update_info.firmware->subsystem[0].length);
|
if (ret) {
|
GTP_ERROR("run isp fail");
|
return ERROR_PATH;
|
}
|
|
fw = kmalloc(1024 * 4, GFP_KERNEL);
|
if (!fw) {
|
GTP_ERROR("error when alloc mem.");
|
return ERROR_MEM;
|
}
|
|
memset(fw, 0xFF, 1024 * 4);
|
erase_addr = 0x00;
|
block_len = 1024 * 4;
|
|
while (retry-- > 0) {
|
checksum = 0;
|
checksum += block_len;
|
checksum += erase_addr;
|
checksum += gt1x_calc_checksum(fw, block_len);
|
checksum = (0 - checksum);
|
|
buffer[0] = ((block_len >> 8) & 0xFF);
|
buffer[1] = (block_len & 0xFF);
|
buffer[2] = ((erase_addr >> 8) & 0xFF);
|
buffer[3] = (erase_addr & 0xFF);
|
|
ret = gt1x_i2c_write_with_readback(0x8100, buffer, 4);
|
if (ret) {
|
GTP_ERROR("write length & address fail!");
|
continue;
|
}
|
|
ret = gt1x_i2c_write(0x8100 + 4, fw, block_len);
|
if (ret) {
|
GTP_ERROR("write fw data fail!");
|
continue;
|
}
|
|
ret = gt1x_recall_check(fw, 0x8100 + 4, block_len);
|
if (ret)
|
continue;
|
|
buffer[0] = ((checksum >> 8) & 0xFF);
|
buffer[1] = (checksum & 0xFF);
|
ret = gt1x_i2c_write_with_readback(0x8100 + 4 + block_len, buffer, 2);
|
if (ret) {
|
GTP_ERROR("write checksum fail!");
|
continue;
|
}
|
|
buffer[0] = 0;
|
ret = gt1x_i2c_write_with_readback(0x8022, buffer, 1);
|
if (ret) {
|
GTP_ERROR("clear control flag fail!");
|
continue;
|
}
|
|
buffer[0] = FW_SECTION_TYPE_SS51_PATCH;
|
buffer[1] = FW_SECTION_TYPE_SS51_PATCH;
|
ret = gt1x_i2c_write_with_readback(0x8020, buffer, 2);
|
if (ret) {
|
GTP_ERROR("write subsystem type fail!");
|
continue;
|
}
|
burn_state = ERROR;
|
wait_time = 200;
|
while (wait_time > 0) {
|
wait_time--;
|
usleep_range(5000, 6000);
|
ret = gt1x_i2c_read_dbl_check(0x8022, buffer, 1);
|
if (ret)
|
continue;
|
|
if (buffer[0] == 0xAA) {
|
GTP_DEBUG("burning.....");
|
continue;
|
} else if (buffer[0] == 0xDD) {
|
GTP_ERROR("checksum error!");
|
break;
|
} else if (buffer[0] == 0xBB) {
|
GTP_INFO("burning success.");
|
burn_state = 0;
|
break;
|
} else if (buffer[0] == 0xCC) {
|
GTP_ERROR("burning failed!");
|
break;
|
} else {
|
GTP_DEBUG("unknown state!(0x8022: 0x%02X)", buffer[0]);
|
}
|
}
|
}
|
|
kfree(fw);
|
if (burn_state == 0)
|
return 0;
|
else
|
return ERROR_RETRY;
|
}
|
|
void gt1x_leave_update_mode(void)
|
{
|
GTP_DEBUG("Leave FW update mode.");
|
if (update_info.status != UPDATE_STATUS_ABORT)
|
gt1x_reset_guitar();
|
#if GTP_CHARGER_SWITCH
|
gt1x_charger_switch(SWITCH_ON);
|
#endif
|
#if GTP_ESD_PROTECT
|
gt1x_esd_switch(SWITCH_ON);
|
#endif
|
update_info.status = UPDATE_STATUS_IDLE;
|
gt1x_irq_enable();
|
}
|
|
#if 0 //close for GKI
|
void dump_to_file(u16 addr, int length, char *filepath)
|
{
|
struct file *flp = NULL;
|
u8 buf[128];
|
const int READ_BLOCK_SIZE = 128;
|
int read_length = 0;
|
int len = 0;
|
|
GTP_INFO("Dump(0x%04X, %d bytes) to file: %s\n", addr, length, filepath);
|
flp = filp_open(filepath, O_RDWR | O_CREAT, 0666);
|
if (IS_ERR(flp)) {
|
GTP_ERROR("can not open file: %s\n", filepath);
|
return;
|
}
|
flp->f_op->llseek(flp, 0, SEEK_SET);
|
|
while (length > 0) {
|
len = (length > READ_BLOCK_SIZE ? READ_BLOCK_SIZE : length);
|
memset(buf, 0x33, len);
|
if (gt1x_i2c_read(addr + read_length, buf, len))
|
memset(buf, 0x33, len);
|
flp->f_op->write(flp, (char *)buf, len, &flp->f_pos);
|
read_length += len;
|
length -= len;
|
}
|
filp_close(flp, NULL);
|
}
|
#endif
|
|
int gt1x_hold_ss51_dsp_no_reset(void)
|
{
|
int ret = ERROR;
|
u8 buffer[2];
|
|
/*hold ss51_dsp*/
|
ret = __gt1x_hold_ss51_dsp_20();
|
if (ret)
|
return ret;
|
/*enable dsp & mcu power*/
|
buffer[0] = 0x00;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__DSP_MCU_PWR_, buffer, 1);
|
if (ret) {
|
GTP_ERROR("enabel dsp & mcu power fail!");
|
return ret;
|
}
|
/*disable watchdog*/
|
buffer[0] = 0x00;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__TMR0_EN, buffer, 1);
|
if (ret) {
|
GTP_ERROR("disable wdt fail!");
|
return ret;
|
}
|
/*clear cache*/
|
buffer[0] = 0x00;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__CACHE_EN, buffer, 1);
|
if (ret) {
|
GTP_ERROR("clear cache fail!");
|
return ret;
|
}
|
/*soft reset*/
|
buffer[0] = 0x01;
|
ret = gt1x_i2c_write(_bWO_MISCTL__CPU_SWRST_PULSE, buffer, 1);
|
if (ret) {
|
GTP_ERROR("software reset fail!");
|
return ret;
|
}
|
/*set scramble*/
|
buffer[0] = 0x00;
|
ret = gt1x_i2c_write_with_readback(_rRW_MISCTL__BOOT_OPT_B0_, buffer, 1);
|
if (ret) {
|
GTP_ERROR("set scramble fail!");
|
return ret;
|
}
|
|
return 0;
|
}
|
|
#define GT1X_LOAD_PACKET_SIZE (1024 * 2)
|
|
int gt1x_load_patch(u8 *patch, u32 patch_size, int offset, int bank_size)
|
{
|
s32 loaded_length = 0;
|
s32 len = 0;
|
s32 ret = 0;
|
u8 bank = 0, tmp;
|
u16 address;
|
|
GTP_INFO("Load patch code(size: %d, checksum: 0x%04X, position: 0x%04X, bank-size: %d", patch_size, gt1x_calc_checksum(patch, patch_size), 0xC000 + offset, bank_size);
|
while (loaded_length != patch_size) {
|
if (loaded_length == 0 || (loaded_length + offset) % bank_size == 0) {
|
/*select bank*/
|
bank = 0x04 + (loaded_length + offset) / bank_size;
|
ret = gt1x_i2c_write(_bRW_MISCTL__SRAM_BANK, &bank, 1);
|
if (ret) {
|
GTP_ERROR("select bank%d fail!", bank);
|
return ret;
|
}
|
GTP_INFO("Select bank%d success.", bank);
|
/*enable patch area access*/
|
tmp = 0x01;
|
ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__PATCH_AREA_EN_ + bank - 4, &tmp, 1);
|
if (ret) {
|
GTP_ERROR("enable patch area access fail!");
|
return ret;
|
}
|
}
|
|
len = patch_size - loaded_length > GT1X_LOAD_PACKET_SIZE ? GT1X_LOAD_PACKET_SIZE : patch_size - loaded_length;
|
address = 0xC000 + (loaded_length + offset) % bank_size;
|
|
ret = gt1x_i2c_write(address, &patch[loaded_length], len);
|
if (ret) {
|
GTP_ERROR("load 0x%04X, %dbytes fail!", address, len);
|
return ret;
|
}
|
ret = gt1x_recall_check(&patch[loaded_length], address, len);
|
if (ret) {
|
GTP_ERROR("Recall check 0x%04X, %dbytes fail!", address, len);
|
return ret;
|
}
|
GTP_INFO("load code 0x%04X, %dbytes success.", address, len);
|
|
loaded_length += len;
|
}
|
|
return 0;
|
}
|
|
int gt1x_startup_patch(void)
|
{
|
s32 ret = 0;
|
u8 buffer[8] = { 0x55 };
|
|
buffer[0] = 0x00;
|
buffer[1] = 0x00;
|
ret |= gt1x_i2c_write(_bRW_MISCTL__PATCH_AREA_EN_, buffer, 2);
|
|
memset(buffer, 0x55, 8);
|
ret |= gt1x_i2c_write(GTP_REG_FLASH_PASSBY, buffer, 8);
|
ret |= gt1x_i2c_write(GTP_REG_VERSION, buffer, 5);
|
|
buffer[0] = 0xAA;
|
ret |= gt1x_i2c_write(GTP_REG_CMD, buffer, 1);
|
ret |= gt1x_i2c_write(GTP_REG_ESD_CHECK, buffer, 1);
|
|
buffer[0] = 0x00;
|
ret |= gt1x_i2c_write(_rRW_MISCTL__SWRST_B0_, buffer, 1);
|
|
msleep(200);
|
|
return ret;
|
}
|
