| /* drivers/input/touchscreen/gt9xx_update.c |
| * |
| * 2010 - 2012 Goodix Technology. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be a reference |
| * to you, when you are integrating the GOODiX's CTP IC into your system, |
| * 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. |
| * |
| * Latest Version:1.6 |
| * Author: andrew@goodix.com |
| * Revision Record: |
| * V1.0: |
| * first release. By Andrew, 2012/08/31 |
| * V1.2: |
| * add force update,GT9110P pid map. By Andrew, 2012/10/15 |
| * V1.4: |
| * 1. add config auto update function; |
| * 2. modify enter_update_mode; |
| * 3. add update file cal checksum. |
| * By Andrew, 2012/12/12 |
| * V1.6: |
| * 1. replace guitar_client with i2c_connect_client; |
| * 2. support firmware header array update. |
| * By Meta, 2013/03/11 |
| */ |
| #include <linux/kthread.h> |
| #include "gt9xx.h" |
| |
| #if GTP_HEADER_FW_UPDATE |
| #include <linux/namei.h> |
| #include <linux/mount.h> |
| #include "gt9xx_firmware.h" |
| #endif |
| |
| #define GUP_REG_HW_INFO 0x4220 |
| #define GUP_REG_FW_MSG 0x41E4 |
| #define GUP_REG_PID_VID 0x8140 |
| |
| #define GUP_SEARCH_FILE_TIMES 50 |
| #define UPDATE_FILE_PATH_2 "/data/_goodix_update_.bin" |
| #define UPDATE_FILE_PATH_1 "/sdcard/_goodix_update_.bin" |
| |
| #define CONFIG_FILE_PATH_1 "/data/_goodix_config_.cfg" |
| #define CONFIG_FILE_PATH_2 "/sdcard/_goodix_config_.cfg" |
| |
| #define FW_HEAD_LENGTH 14 |
| #define FW_SECTION_LENGTH 0x2000 |
| #define FW_DSP_ISP_LENGTH 0x1000 |
| #define FW_DSP_LENGTH 0x1000 |
| #define FW_BOOT_LENGTH 0x800 |
| |
| #define PACK_SIZE 256 |
| #define MAX_FRAME_CHECK_TIME 5 |
| |
| #define _bRW_MISCTL__SRAM_BANK 0x4048 |
| #define _bRW_MISCTL__MEM_CD_EN 0x4049 |
| #define _bRW_MISCTL__CACHE_EN 0x404B |
| #define _bRW_MISCTL__TMR0_EN 0x40B0 |
| #define _rRW_MISCTL__SWRST_B0_ 0x4180 |
| #define _bWO_MISCTL__CPU_SWRST_PULSE 0x4184 |
| #define _rRW_MISCTL__BOOTCTL_B0_ 0x4190 |
| #define _rRW_MISCTL__BOOT_OPT_B0_ 0x4218 |
| #define _rRW_MISCTL__BOOT_CTL_ 0x5094 |
| |
| #define FAIL 0 |
| #define SUCCESS 1 |
| |
| #pragma pack(1) |
| typedef struct |
| { |
| u8 hw_info[4]; //hardware info// |
| u8 pid[8]; //product id // |
| u16 vid; //version id // |
| }st_fw_head; |
| #pragma pack() |
| |
| typedef struct |
| { |
| u8 force_update; |
| u8 fw_flag; |
| struct file *file; |
| struct file *cfg_file; |
| st_fw_head ic_fw_msg; |
| mm_segment_t old_fs; |
| }st_update_msg; |
| |
| st_update_msg update_msg; |
| u16 show_len; |
| u16 total_len; |
| u8 got_file_flag = 0; |
| u8 searching_file = 0; |
| extern u8 config[GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH]; |
| extern void gtp_reset_guitar(struct i2c_client *client, s32 ms); |
| extern s32 gtp_send_cfg(struct i2c_client *client); |
| extern struct i2c_client * i2c_connect_client; |
| extern void gtp_irq_enable(struct goodix_ts_data *ts); |
| extern void gtp_irq_disable(struct goodix_ts_data *ts); |
| extern s32 gtp_i2c_read_dbl_check(struct i2c_client *, u16, u8 *, int); |
| #if GTP_ESD_PROTECT |
| extern void gtp_esd_switch(struct i2c_client *, s32); |
| #endif |
| /******************************************************* |
| Function: |
| Read data from the i2c slave device. |
| Input: |
| client: i2c device. |
| buf[0~1]: read start address. |
| buf[2~len-1]: read data buffer. |
| len: GTP_ADDR_LENGTH + read bytes count |
| Output: |
| numbers of i2c_msgs to transfer: |
| 2: succeed, otherwise: failed |
| *********************************************************/ |
| s32 gup_i2c_read(struct i2c_client *client, u8 *buf, s32 len) |
| { |
| struct i2c_msg msgs[2]; |
| s32 ret=-1; |
| s32 retries = 0; |
| |
| GTP_DEBUG_FUNC(); |
| |
| msgs[0].flags = !I2C_M_RD; |
| msgs[0].addr = client->addr; |
| msgs[0].len = GTP_ADDR_LENGTH; |
| msgs[0].buf = &buf[0]; |
| //msgs[0].scl_rate = 300 * 1000; // for Rockchip |
| |
| msgs[1].flags = I2C_M_RD; |
| msgs[1].addr = client->addr; |
| msgs[1].len = len - GTP_ADDR_LENGTH; |
| msgs[1].buf = &buf[GTP_ADDR_LENGTH]; |
| //msgs[1].scl_rate = 300 * 1000; |
| |
| while(retries < 5) |
| { |
| ret = i2c_transfer(client->adapter, msgs, 2); |
| if(ret == 2)break; |
| retries++; |
| } |
| |
| return ret; |
| } |
| |
| /******************************************************* |
| Function: |
| Write data to the i2c slave device. |
| Input: |
| client: i2c device. |
| buf[0~1]: write start address. |
| buf[2~len-1]: data buffer |
| len: GTP_ADDR_LENGTH + write bytes count |
| Output: |
| numbers of i2c_msgs to transfer: |
| 1: succeed, otherwise: failed |
| *********************************************************/ |
| s32 gup_i2c_write(struct i2c_client *client,u8 *buf,s32 len) |
| { |
| struct i2c_msg msg; |
| s32 ret=-1; |
| s32 retries = 0; |
| |
| GTP_DEBUG_FUNC(); |
| |
| msg.flags = !I2C_M_RD; |
| msg.addr = client->addr; |
| msg.len = len; |
| msg.buf = buf; |
| //msg.scl_rate = 300 * 1000; // for Rockchip |
| |
| while(retries < 5) |
| { |
| ret = i2c_transfer(client->adapter, &msg, 1); |
| if (ret == 1)break; |
| retries++; |
| } |
| |
| return ret; |
| } |
| |
| static s32 gup_init_panel(struct goodix_ts_data *ts) |
| { |
| s32 ret = 0; |
| s32 i = 0; |
| u8 check_sum = 0; |
| u8 opr_buf[16]; |
| u8 sensor_id = 0; |
| |
| u8 cfg_info_group1[] = CTP_CFG_GROUP1; |
| u8 cfg_info_group2[] = CTP_CFG_GROUP2; |
| u8 cfg_info_group3[] = CTP_CFG_GROUP3; |
| u8 cfg_info_group4[] = CTP_CFG_GROUP4; |
| u8 cfg_info_group5[] = CTP_CFG_GROUP5; |
| u8 cfg_info_group6[] = CTP_CFG_GROUP6; |
| u8 *send_cfg_buf[] = {cfg_info_group1, cfg_info_group2, cfg_info_group3, |
| cfg_info_group4, cfg_info_group5, cfg_info_group6}; |
| u8 cfg_info_len[] = { CFG_GROUP_LEN(cfg_info_group1), |
| CFG_GROUP_LEN(cfg_info_group2), |
| CFG_GROUP_LEN(cfg_info_group3), |
| CFG_GROUP_LEN(cfg_info_group4), |
| CFG_GROUP_LEN(cfg_info_group5), |
| CFG_GROUP_LEN(cfg_info_group6)}; |
| |
| if ((!cfg_info_len[1]) && (!cfg_info_len[2]) && |
| (!cfg_info_len[3]) && (!cfg_info_len[4]) && |
| (!cfg_info_len[5])) |
| { |
| sensor_id = 0; |
| } |
| else |
| { |
| ret = gtp_i2c_read_dbl_check(ts->client, GTP_REG_SENSOR_ID, &sensor_id, 1); |
| if (SUCCESS == ret) |
| { |
| if (sensor_id >= 0x06) |
| { |
| GTP_ERROR("Invalid sensor_id(0x%02X), No Config Sent!", sensor_id); |
| return -1; |
| } |
| } |
| else |
| { |
| GTP_ERROR("Failed to get sensor_id, No config sent!"); |
| return -1; |
| } |
| } |
| |
| GTP_DEBUG("Sensor_ID: %d", sensor_id); |
| |
| ts->gtp_cfg_len = cfg_info_len[sensor_id]; |
| |
| if (ts->gtp_cfg_len < GTP_CONFIG_MIN_LENGTH) |
| { |
| GTP_ERROR("Sensor_ID(%d) matches with NULL or INVALID CONFIG GROUP! NO Config Sent! You need to check you header file CFG_GROUP section!", sensor_id); |
| return -1; |
| } |
| |
| ret = gtp_i2c_read_dbl_check(ts->client, GTP_REG_CONFIG_DATA, &opr_buf[0], 1); |
| |
| if (ret == SUCCESS) |
| { |
| GTP_DEBUG("CFG_GROUP%d Config Version: %d, IC Config Version: %d", sensor_id+1, |
| send_cfg_buf[sensor_id][0], opr_buf[0]); |
| |
| send_cfg_buf[sensor_id][0] = opr_buf[0]; |
| ts->fixed_cfg = 0; |
| /* |
| if (opr_buf[0] < 90) |
| { |
| grp_cfg_version = send_cfg_buf[sensor_id][0]; // backup group config version |
| send_cfg_buf[sensor_id][0] = 0x00; |
| ts->fixed_cfg = 0; |
| } |
| else // treated as fixed config, not send config |
| { |
| GTP_INFO("Ic fixed config with config version(%d)", opr_buf[0]); |
| ts->fixed_cfg = 1; |
| }*/ |
| } |
| else |
| { |
| GTP_ERROR("Failed to get ic config version!No config sent!"); |
| return -1; |
| } |
| |
| memset(&config[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH); |
| memcpy(&config[GTP_ADDR_LENGTH], send_cfg_buf[sensor_id], ts->gtp_cfg_len); |
| |
| GTP_DEBUG("X_MAX = %d, Y_MAX = %d, TRIGGER = 0x%02x", |
| ts->abs_x_max, ts->abs_y_max, ts->int_trigger_type); |
| |
| config[RESOLUTION_LOC] = (u8)GTP_MAX_WIDTH; |
| config[RESOLUTION_LOC + 1] = (u8)(GTP_MAX_WIDTH>>8); |
| config[RESOLUTION_LOC + 2] = (u8)GTP_MAX_HEIGHT; |
| config[RESOLUTION_LOC + 3] = (u8)(GTP_MAX_HEIGHT>>8); |
| |
| if (GTP_INT_TRIGGER == 0) //RISING |
| { |
| config[TRIGGER_LOC] &= 0xfe; |
| } |
| else if (GTP_INT_TRIGGER == 1) //FALLING |
| { |
| config[TRIGGER_LOC] |= 0x01; |
| } |
| |
| check_sum = 0; |
| for (i = GTP_ADDR_LENGTH; i < ts->gtp_cfg_len; i++) |
| { |
| check_sum += config[i]; |
| } |
| config[ts->gtp_cfg_len] = (~check_sum) + 1; |
| |
| GTP_DEBUG_FUNC(); |
| ret = gtp_send_cfg(ts->client); |
| if (ret < 0) |
| { |
| GTP_ERROR("Send config error."); |
| } |
| |
| msleep(10); |
| return 0; |
| } |
| |
| |
| static u8 gup_get_ic_msg(struct i2c_client *client, u16 addr, u8* msg, s32 len) |
| { |
| s32 i = 0; |
| |
| msg[0] = (addr >> 8) & 0xff; |
| msg[1] = addr & 0xff; |
| |
| for (i = 0; i < 5; i++) |
| { |
| if (gup_i2c_read(client, msg, GTP_ADDR_LENGTH + len) > 0) |
| { |
| break; |
| } |
| } |
| |
| if (i >= 5) |
| { |
| GTP_ERROR("Read data from 0x%02x%02x failed!", msg[0], msg[1]); |
| return FAIL; |
| } |
| |
| return SUCCESS; |
| } |
| |
| static u8 gup_set_ic_msg(struct i2c_client *client, u16 addr, u8 val) |
| { |
| s32 i = 0; |
| u8 msg[3]; |
| |
| msg[0] = (addr >> 8) & 0xff; |
| msg[1] = addr & 0xff; |
| msg[2] = val; |
| |
| for (i = 0; i < 5; i++) |
| { |
| if (gup_i2c_write(client, msg, GTP_ADDR_LENGTH + 1) > 0) |
| { |
| break; |
| } |
| } |
| |
| if (i >= 5) |
| { |
| GTP_ERROR("Set data to 0x%02x%02x failed!", msg[0], msg[1]); |
| return FAIL; |
| } |
| |
| return SUCCESS; |
| } |
| |
| static u8 gup_get_ic_fw_msg(struct i2c_client *client) |
| { |
| s32 ret = -1; |
| u8 retry = 0; |
| u8 buf[16]; |
| u8 i; |
| |
| // step1:get hardware info |
| ret = gtp_i2c_read_dbl_check(client, GUP_REG_HW_INFO, &buf[GTP_ADDR_LENGTH], 4); |
| if (FAIL == ret) |
| { |
| GTP_ERROR("[get_ic_fw_msg]get hw_info failed,exit"); |
| return FAIL; |
| } |
| |
| // buf[2~5]: 00 06 90 00 |
| // hw_info: 00 90 06 00 |
| for(i=0; i<4; i++) |
| { |
| update_msg.ic_fw_msg.hw_info[i] = buf[GTP_ADDR_LENGTH + 3 - i]; |
| } |
| GTP_DEBUG("IC Hardware info:%02x%02x%02x%02x", update_msg.ic_fw_msg.hw_info[0], update_msg.ic_fw_msg.hw_info[1], |
| update_msg.ic_fw_msg.hw_info[2], update_msg.ic_fw_msg.hw_info[3]); |
| // step2:get firmware message |
| for(retry=0; retry<2; retry++) |
| { |
| ret = gup_get_ic_msg(client, GUP_REG_FW_MSG, buf, 1); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("Read firmware message fail."); |
| return ret; |
| } |
| |
| update_msg.force_update = buf[GTP_ADDR_LENGTH]; |
| if((0xBE != update_msg.force_update)&&(!retry)) |
| { |
| GTP_INFO("The check sum in ic is error."); |
| GTP_INFO("The IC will be updated by force."); |
| continue; |
| } |
| break; |
| } |
| GTP_DEBUG("IC force update flag:0x%x", update_msg.force_update); |
| |
| // step3:get pid & vid |
| ret = gtp_i2c_read_dbl_check(client, GUP_REG_PID_VID, &buf[GTP_ADDR_LENGTH], 6); |
| if (FAIL == ret) |
| { |
| GTP_ERROR("[get_ic_fw_msg]get pid & vid failed,exit"); |
| return FAIL; |
| } |
| |
| memset(update_msg.ic_fw_msg.pid, 0, sizeof(update_msg.ic_fw_msg.pid)); |
| memcpy(update_msg.ic_fw_msg.pid, &buf[GTP_ADDR_LENGTH], 4); |
| GTP_DEBUG("IC Product id:%s", update_msg.ic_fw_msg.pid); |
| |
| //GT9XX PID MAPPING |
| /*|-----FLASH-----RAM-----| |
| |------918------918-----| |
| |------968------968-----| |
| |------913------913-----| |
| |------913P-----913P----| |
| |------927------927-----| |
| |------927P-----927P----| |
| |------9110-----9110----| |
| |------9110P----9111----|*/ |
| if(update_msg.ic_fw_msg.pid[0] != 0) |
| { |
| if(!memcmp(update_msg.ic_fw_msg.pid, "9111", 4)) |
| { |
| GTP_DEBUG("IC Mapping Product id:%s", update_msg.ic_fw_msg.pid); |
| memcpy(update_msg.ic_fw_msg.pid, "9110P", 5); |
| } |
| } |
| |
| update_msg.ic_fw_msg.vid = buf[GTP_ADDR_LENGTH+4] + (buf[GTP_ADDR_LENGTH+5]<<8); |
| GTP_DEBUG("IC version id:%04x", update_msg.ic_fw_msg.vid); |
| |
| return SUCCESS; |
| } |
| |
| s32 gup_enter_update_mode(struct i2c_client *client) |
| { |
| s32 ret = -1; |
| s32 retry = 0; |
| u8 rd_buf[3]; |
| |
| //step1:RST output low last at least 2ms |
| GTP_GPIO_OUTPUT(GTP_RST_PORT, 0); |
| msleep(2); |
| |
| //step2:select I2C slave addr,INT:0--0xBA;1--0x28. |
| GTP_GPIO_OUTPUT(GTP_INT_PORT, (client->addr == 0x14)); |
| msleep(2); |
| |
| //step3:RST output high reset guitar |
| GTP_GPIO_OUTPUT(GTP_RST_PORT, 1); |
| |
| //20121211 modify start |
| msleep(5); |
| while(retry++ < 200) |
| { |
| //step4:Hold ss51 & dsp |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x0C); |
| if(ret <= 0) |
| { |
| GTP_DEBUG("Hold ss51 & dsp I2C error,retry:%d", retry); |
| continue; |
| } |
| |
| //step5:Confirm hold |
| ret = gup_get_ic_msg(client, _rRW_MISCTL__SWRST_B0_, rd_buf, 1); |
| if(ret <= 0) |
| { |
| GTP_DEBUG("Hold ss51 & dsp I2C error,retry:%d", retry); |
| continue; |
| } |
| if(0x0C == rd_buf[GTP_ADDR_LENGTH]) |
| { |
| GTP_DEBUG("Hold ss51 & dsp confirm SUCCESS"); |
| break; |
| } |
| GTP_DEBUG("Hold ss51 & dsp confirm 0x4180 failed,value:%d", rd_buf[GTP_ADDR_LENGTH]); |
| } |
| if(retry >= 200) |
| { |
| GTP_ERROR("Enter update Hold ss51 failed."); |
| return FAIL; |
| } |
| |
| //step6:DSP_CK and DSP_ALU_CK PowerOn |
| ret = gup_set_ic_msg(client, 0x4010, 0x00); |
| |
| //20121211 modify end |
| return ret; |
| } |
| |
| void gup_leave_update_mode(void) |
| { |
| GTP_GPIO_AS_INT(GTP_INT_PORT); |
| |
| GTP_DEBUG("[leave_update_mode]reset chip."); |
| gtp_reset_guitar(i2c_connect_client, 20); |
| } |
| |
| // Get the correct nvram data |
| // The correct conditions: |
| // 1. the hardware info is the same |
| // 2. the product id is the same |
| // 3. the firmware version in update file is greater than the firmware version in ic |
| // or the check sum in ic is wrong |
| /* Update Conditions: |
| 1. Same hardware info |
| 2. Same PID |
| 3. File PID > IC PID |
| Force Update Conditions: |
| 1. Wrong ic firmware checksum |
| 2. INVALID IC PID or VID |
| 3. IC PID == 91XX || File PID == 91XX |
| */ |
| |
| static u8 gup_enter_update_judge(st_fw_head *fw_head) |
| { |
| u16 u16_tmp; |
| s32 i = 0; |
| |
| u16_tmp = fw_head->vid; |
| fw_head->vid = (u16)(u16_tmp>>8) + (u16)(u16_tmp<<8); |
| |
| GTP_DEBUG("FILE HARDWARE INFO:%02x%02x%02x%02x", fw_head->hw_info[0], fw_head->hw_info[1], fw_head->hw_info[2], fw_head->hw_info[3]); |
| GTP_DEBUG("FILE PID:%s", fw_head->pid); |
| GTP_DEBUG("FILE VID:%04x", fw_head->vid); |
| |
| GTP_DEBUG("IC HARDWARE INFO:%02x%02x%02x%02x", update_msg.ic_fw_msg.hw_info[0], update_msg.ic_fw_msg.hw_info[1], |
| update_msg.ic_fw_msg.hw_info[2], update_msg.ic_fw_msg.hw_info[3]); |
| GTP_DEBUG("IC PID:%s", update_msg.ic_fw_msg.pid); |
| GTP_DEBUG("IC VID:%04x", update_msg.ic_fw_msg.vid); |
| |
| //First two conditions |
| if ( !memcmp(fw_head->hw_info, update_msg.ic_fw_msg.hw_info, sizeof(update_msg.ic_fw_msg.hw_info))) |
| { |
| GTP_DEBUG("Get the same hardware info."); |
| if( update_msg.force_update != 0xBE ) |
| { |
| GTP_INFO("FW chksum error,need enter update."); |
| return SUCCESS; |
| } |
| |
| // 20130523 start |
| if (strlen(update_msg.ic_fw_msg.pid) < 3) |
| { |
| GTP_INFO("Illegal IC pid, need enter update"); |
| return SUCCESS; |
| } |
| else |
| { |
| for (i = 0; i < 3; i++) |
| { |
| if ((update_msg.ic_fw_msg.pid[i] < 0x30) || (update_msg.ic_fw_msg.pid[i] > 0x39)) |
| { |
| GTP_INFO("Illegal IC pid, out of bound, need enter update"); |
| return SUCCESS; |
| } |
| } |
| } |
| // 20130523 end |
| |
| |
| if (( !memcmp(fw_head->pid, update_msg.ic_fw_msg.pid, (strlen(fw_head->pid)<3?3:strlen(fw_head->pid))))|| |
| (!memcmp(update_msg.ic_fw_msg.pid, "91XX", 4))|| |
| (!memcmp(fw_head->pid, "91XX", 4))) |
| { |
| if(!memcmp(fw_head->pid, "91XX", 4)) |
| { |
| GTP_DEBUG("Force none same pid update mode."); |
| } |
| else |
| { |
| GTP_DEBUG("Get the same pid."); |
| } |
| //The third condition |
| if (fw_head->vid > update_msg.ic_fw_msg.vid) |
| { |
| |
| GTP_INFO("Need enter update."); |
| return SUCCESS; |
| } |
| GTP_ERROR("Don't meet the third condition."); |
| GTP_ERROR("File VID <= Ic VID, update aborted!"); |
| } |
| else |
| { |
| GTP_ERROR("File PID != Ic PID, update aborted!"); |
| } |
| } |
| else |
| { |
| GTP_ERROR("Different Hardware, update aborted!"); |
| } |
| return FAIL; |
| } |
| |
| static u8 ascii2hex(u8 a) |
| { |
| s8 value = 0; |
| |
| if(a >= '0' && a <= '9') |
| { |
| value = a - '0'; |
| } |
| else if(a >= 'A' && a <= 'F') |
| { |
| value = a - 'A' + 0x0A; |
| } |
| else if(a >= 'a' && a <= 'f') |
| { |
| value = a - 'a' + 0x0A; |
| } |
| else |
| { |
| value = 0xff; |
| } |
| |
| return value; |
| } |
| |
| static s8 gup_update_config(struct i2c_client *client) |
| { |
| s32 file_len = 0; |
| s32 ret = 0; |
| s32 i = 0; |
| s32 file_cfg_len = 0; |
| s32 chip_cfg_len = 0; |
| s32 count = 0; |
| u8 *buf; |
| u8 *pre_buf; |
| u8 *file_config; |
| //u8 checksum = 0; |
| u8 pid[8]; |
| |
| if(NULL == update_msg.cfg_file) |
| { |
| GTP_ERROR("[update_cfg]No need to upgrade config!"); |
| return FAIL; |
| } |
| file_len = update_msg.cfg_file->f_op->llseek(update_msg.cfg_file, 0, SEEK_END); |
| |
| ret = gup_get_ic_msg(client, GUP_REG_PID_VID, pid, 6); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[update_cfg]Read product id & version id fail."); |
| return FAIL; |
| } |
| pid[5] = '\0'; |
| GTP_DEBUG("update cfg get pid:%s", &pid[GTP_ADDR_LENGTH]); |
| |
| chip_cfg_len = 186; |
| if(!memcmp(&pid[GTP_ADDR_LENGTH], "968", 3) || |
| !memcmp(&pid[GTP_ADDR_LENGTH], "910", 3) || |
| !memcmp(&pid[GTP_ADDR_LENGTH], "960", 3)) |
| { |
| chip_cfg_len = 228; |
| } |
| GTP_DEBUG("[update_cfg]config file len:%d", file_len); |
| GTP_DEBUG("[update_cfg]need config len:%d",chip_cfg_len); |
| if((file_len+5) < chip_cfg_len*5) |
| { |
| GTP_ERROR("Config length error"); |
| return -1; |
| } |
| |
| buf = (u8*)kzalloc(file_len, GFP_KERNEL); |
| pre_buf = (u8*)kzalloc(file_len, GFP_KERNEL); |
| file_config = (u8*)kzalloc(chip_cfg_len + GTP_ADDR_LENGTH, GFP_KERNEL); |
| update_msg.cfg_file->f_op->llseek(update_msg.cfg_file, 0, SEEK_SET); |
| |
| GTP_DEBUG("[update_cfg]Read config from file."); |
| ret = update_msg.cfg_file->f_op->read(update_msg.cfg_file, (char*)pre_buf, file_len, &update_msg.cfg_file->f_pos); |
| if(ret<0) |
| { |
| GTP_ERROR("[update_cfg]Read config file failed."); |
| goto update_cfg_file_failed; |
| } |
| |
| GTP_DEBUG("[update_cfg]Delete illgal charactor."); |
| for(i=0,count=0; i<file_len; i++) |
| { |
| if (pre_buf[i] == ' ' || pre_buf[i] == '\r' || pre_buf[i] == '\n') |
| { |
| continue; |
| } |
| buf[count++] = pre_buf[i]; |
| } |
| |
| GTP_DEBUG("[update_cfg]Ascii to hex."); |
| file_config[0] = GTP_REG_CONFIG_DATA >> 8; |
| file_config[1] = GTP_REG_CONFIG_DATA & 0xff; |
| for(i=0,file_cfg_len=GTP_ADDR_LENGTH; i<count; i+=5) |
| { |
| if((buf[i]=='0') && ((buf[i+1]=='x') || (buf[i+1]=='X'))) |
| { |
| u8 high,low; |
| high = ascii2hex(buf[i+2]); |
| low = ascii2hex(buf[i+3]); |
| |
| if((high == 0xFF) || (low == 0xFF)) |
| { |
| ret = 0; |
| GTP_ERROR("[update_cfg]Illegal config file."); |
| goto update_cfg_file_failed; |
| } |
| file_config[file_cfg_len++] = (high<<4) + low; |
| } |
| else |
| { |
| ret = 0; |
| GTP_ERROR("[update_cfg]Illegal config file."); |
| goto update_cfg_file_failed; |
| } |
| } |
| |
| // //cal checksum |
| // for(i=GTP_ADDR_LENGTH; i<chip_cfg_len; i++) |
| // { |
| // checksum += file_config[i]; |
| // } |
| // file_config[chip_cfg_len] = (~checksum) + 1; |
| // file_config[chip_cfg_len+1] = 0x01; |
| |
| GTP_DEBUG("config:"); |
| GTP_DEBUG_ARRAY(file_config+2, file_cfg_len); |
| |
| i = 0; |
| while(i++ < 5) |
| { |
| ret = gup_i2c_write(client, file_config, file_cfg_len); |
| if(ret > 0) |
| { |
| GTP_INFO("[update_cfg]Send config SUCCESS."); |
| break; |
| } |
| GTP_ERROR("[update_cfg]Send config i2c error."); |
| } |
| |
| update_cfg_file_failed: |
| kfree(pre_buf); |
| kfree(buf); |
| kfree(file_config); |
| return ret; |
| } |
| |
| #if GTP_HEADER_FW_UPDATE |
| static u8 gup_check_fs_mounted(char *path_name) |
| { |
| struct path root_path; |
| struct path path; |
| int err; |
| err = kern_path("/", LOOKUP_FOLLOW, &root_path); |
| |
| if (err) |
| { |
| GTP_DEBUG("\"/\" NOT Mounted: %d", err); |
| return FAIL; |
| } |
| err = kern_path(path_name, LOOKUP_FOLLOW, &path); |
| |
| if (err) |
| { |
| GTP_DEBUG("/data/ NOT Mounted: %d", err); |
| return FAIL; |
| } |
| |
| return SUCCESS; |
| |
| /* |
| if (path.mnt->mnt_sb == root_path.mnt->mnt_sb) |
| { |
| //-- not mounted |
| return FAIL; |
| } |
| else |
| { |
| return SUCCESS; |
| }*/ |
| |
| } |
| #endif |
| static u8 gup_check_update_file(struct i2c_client *client, st_fw_head* fw_head, u8* path) |
| { |
| s32 ret = 0; |
| s32 i = 0; |
| s32 fw_checksum = 0; |
| u8 buf[FW_HEAD_LENGTH]; |
| |
| if (path) |
| { |
| GTP_DEBUG("Update File path:%s, %d", path, strlen(path)); |
| update_msg.file = filp_open(path, O_RDONLY, 0); |
| |
| if (IS_ERR(update_msg.file)) |
| { |
| GTP_ERROR("Open update file(%s) error!", path); |
| return FAIL; |
| } |
| } |
| else |
| { |
| #if GTP_HEADER_FW_UPDATE |
| for (i = 0; i < (GUP_SEARCH_FILE_TIMES); i++) |
| { |
| GTP_DEBUG("Waiting for /data mounted [%d]", i); |
| |
| if (gup_check_fs_mounted("/data") == SUCCESS) |
| { |
| GTP_DEBUG("/data Mounted!"); |
| break; |
| } |
| msleep(3000); |
| } |
| if (i >= (GUP_SEARCH_FILE_TIMES)) |
| { |
| GTP_ERROR("Wait for /data mounted timeout!"); |
| return FAIL; |
| } |
| |
| // update config |
| update_msg.cfg_file = filp_open(CONFIG_FILE_PATH_1, O_RDONLY, 0); |
| if (IS_ERR(update_msg.cfg_file)) |
| { |
| GTP_DEBUG("%s is unavailable", CONFIG_FILE_PATH_1); |
| } |
| else |
| { |
| GTP_INFO("Update Config File: %s", CONFIG_FILE_PATH_1); |
| ret = gup_update_config(client); |
| if(ret <= 0) |
| { |
| GTP_ERROR("Update config failed."); |
| } |
| filp_close(update_msg.cfg_file, NULL); |
| } |
| |
| if (sizeof(header_fw_array) < (FW_HEAD_LENGTH+FW_SECTION_LENGTH*4+FW_DSP_ISP_LENGTH+FW_DSP_LENGTH+FW_BOOT_LENGTH)) |
| { |
| GTP_ERROR("INVALID header_fw_array, check your gt9xx_firmware.h file!"); |
| return FAIL; |
| } |
| update_msg.file = filp_open(UPDATE_FILE_PATH_2, O_CREAT | O_RDWR, 0666); |
| if ((IS_ERR(update_msg.file))) |
| { |
| GTP_ERROR("Failed to Create file: %s for fw_header!", UPDATE_FILE_PATH_2); |
| return FAIL; |
| } |
| update_msg.file->f_op->llseek(update_msg.file, 0, SEEK_SET); |
| update_msg.file->f_op->write(update_msg.file, (char *)header_fw_array, sizeof(header_fw_array), &update_msg.file->f_pos); |
| filp_close(update_msg.file, NULL); |
| update_msg.file = filp_open(UPDATE_FILE_PATH_2, O_RDONLY, 0); |
| #else |
| u8 fp_len = max(sizeof(UPDATE_FILE_PATH_1), sizeof(UPDATE_FILE_PATH_2)); |
| u8 cfp_len = max(sizeof(CONFIG_FILE_PATH_1), sizeof(CONFIG_FILE_PATH_2)); |
| u8 *search_update_path = (u8*)kzalloc(fp_len, GFP_KERNEL); |
| u8 *search_cfg_path = (u8*)kzalloc(cfp_len, GFP_KERNEL); |
| //Begin to search update file,the config file & firmware file must be in the same path,single or double. |
| searching_file = 1; |
| for (i = 0; i < GUP_SEARCH_FILE_TIMES; i++) |
| { |
| if (searching_file == 0) |
| { |
| kfree(search_update_path); |
| kfree(search_cfg_path); |
| GTP_INFO(".bin/.cfg update file search forcely terminated!"); |
| return FAIL; |
| } |
| if(i%2) |
| { |
| memcpy(search_update_path, UPDATE_FILE_PATH_1, sizeof(UPDATE_FILE_PATH_1)); |
| memcpy(search_cfg_path, CONFIG_FILE_PATH_1, sizeof(CONFIG_FILE_PATH_1)); |
| } |
| else |
| { |
| memcpy(search_update_path, UPDATE_FILE_PATH_2, sizeof(UPDATE_FILE_PATH_2)); |
| memcpy(search_cfg_path, CONFIG_FILE_PATH_2, sizeof(CONFIG_FILE_PATH_2)); |
| } |
| |
| if(!(got_file_flag&0x0F)) |
| { |
| update_msg.file = filp_open(search_update_path, O_RDONLY, 0); |
| if(!IS_ERR(update_msg.file)) |
| { |
| GTP_DEBUG("Find the bin file"); |
| got_file_flag |= 0x0F; |
| } |
| } |
| if(!(got_file_flag&0xF0)) |
| { |
| update_msg.cfg_file = filp_open(search_cfg_path, O_RDONLY, 0); |
| if(!IS_ERR(update_msg.cfg_file)) |
| { |
| GTP_DEBUG("Find the cfg file"); |
| got_file_flag |= 0xF0; |
| } |
| } |
| |
| if(got_file_flag) |
| { |
| if(got_file_flag == 0xFF) |
| { |
| break; |
| } |
| else |
| { |
| i += 4; |
| } |
| } |
| GTP_DEBUG("%3d:Searching %s %s file...", i, (got_file_flag&0x0F)?"":"bin", (got_file_flag&0xF0)?"":"cfg"); |
| msleep(3000); |
| } |
| searching_file = 0; |
| kfree(search_update_path); |
| kfree(search_cfg_path); |
| |
| if(!got_file_flag) |
| { |
| GTP_ERROR("Can't find update file."); |
| goto load_failed; |
| } |
| |
| if(got_file_flag&0xF0) |
| { |
| GTP_DEBUG("Got the update config file."); |
| ret = gup_update_config(client); |
| if(ret <= 0) |
| { |
| GTP_ERROR("Update config failed."); |
| } |
| filp_close(update_msg.cfg_file, NULL); |
| msleep(500); //waiting config to be stored in FLASH. |
| } |
| if(got_file_flag&0x0F) |
| { |
| GTP_DEBUG("Got the update firmware file."); |
| } |
| else |
| { |
| GTP_ERROR("No need to upgrade firmware."); |
| goto load_failed; |
| } |
| #endif |
| } |
| |
| update_msg.old_fs = get_fs(); |
| set_fs(KERNEL_DS); |
| |
| update_msg.file->f_op->llseek(update_msg.file, 0, SEEK_SET); |
| //update_msg.file->f_pos = 0; |
| |
| ret = update_msg.file->f_op->read(update_msg.file, (char*)buf, FW_HEAD_LENGTH, &update_msg.file->f_pos); |
| if (ret < 0) |
| { |
| GTP_ERROR("Read firmware head in update file error."); |
| goto load_failed; |
| } |
| memcpy(fw_head, buf, FW_HEAD_LENGTH); |
| |
| //check firmware legality |
| fw_checksum = 0; |
| for(i=0; i<FW_SECTION_LENGTH*4+FW_DSP_ISP_LENGTH+FW_DSP_LENGTH+FW_BOOT_LENGTH; i+=2) |
| { |
| u16 temp; |
| ret = update_msg.file->f_op->read(update_msg.file, (char*)buf, 2, &update_msg.file->f_pos); |
| if (ret < 0) |
| { |
| GTP_ERROR("Read firmware file error."); |
| goto load_failed; |
| } |
| //GTP_DEBUG("BUF[0]:%x", buf[0]); |
| temp = (buf[0]<<8) + buf[1]; |
| fw_checksum += temp; |
| } |
| |
| GTP_DEBUG("firmware checksum:%x", fw_checksum&0xFFFF); |
| if(fw_checksum&0xFFFF) |
| { |
| GTP_ERROR("Illegal firmware file."); |
| goto load_failed; |
| } |
| |
| return SUCCESS; |
| |
| load_failed: |
| set_fs(update_msg.old_fs); |
| return FAIL; |
| } |
| |
| #if 0 |
| static u8 gup_check_update_header(struct i2c_client *client, st_fw_head* fw_head) |
| { |
| const u8* pos; |
| int i = 0; |
| u8 mask_num = 0; |
| s32 ret = 0; |
| |
| pos = HEADER_UPDATE_DATA; |
| |
| memcpy(fw_head, pos, FW_HEAD_LENGTH); |
| pos += FW_HEAD_LENGTH; |
| |
| ret = gup_enter_update_judge(fw_head); |
| if(SUCCESS == ret) |
| { |
| return SUCCESS; |
| } |
| return FAIL; |
| } |
| #endif |
| |
| static u8 gup_burn_proc(struct i2c_client *client, u8 *burn_buf, u16 start_addr, u16 total_length) |
| { |
| s32 ret = 0; |
| u16 burn_addr = start_addr; |
| u16 frame_length = 0; |
| u16 burn_length = 0; |
| u8 wr_buf[PACK_SIZE + GTP_ADDR_LENGTH]; |
| u8 rd_buf[PACK_SIZE + GTP_ADDR_LENGTH]; |
| u8 retry = 0; |
| |
| GTP_DEBUG("Begin burn %dk data to addr 0x%x", (total_length/1024), start_addr); |
| while(burn_length < total_length) |
| { |
| GTP_DEBUG("B/T:%04d/%04d", burn_length, total_length); |
| frame_length = ((total_length - burn_length) > PACK_SIZE) ? PACK_SIZE : (total_length - burn_length); |
| wr_buf[0] = (u8)(burn_addr>>8); |
| rd_buf[0] = wr_buf[0]; |
| wr_buf[1] = (u8)burn_addr; |
| rd_buf[1] = wr_buf[1]; |
| memcpy(&wr_buf[GTP_ADDR_LENGTH], &burn_buf[burn_length], frame_length); |
| |
| for(retry = 0; retry < MAX_FRAME_CHECK_TIME; retry++) |
| { |
| ret = gup_i2c_write(client, wr_buf, GTP_ADDR_LENGTH + frame_length); |
| if(ret <= 0) |
| { |
| GTP_ERROR("Write frame data i2c error."); |
| continue; |
| } |
| ret = gup_i2c_read(client, rd_buf, GTP_ADDR_LENGTH + frame_length); |
| if(ret <= 0) |
| { |
| GTP_ERROR("Read back frame data i2c error."); |
| continue; |
| } |
| |
| if(memcmp(&wr_buf[GTP_ADDR_LENGTH], &rd_buf[GTP_ADDR_LENGTH], frame_length)) |
| { |
| GTP_ERROR("Check frame data fail,not equal."); |
| GTP_DEBUG("write array:"); |
| GTP_DEBUG_ARRAY(&wr_buf[GTP_ADDR_LENGTH], frame_length); |
| GTP_DEBUG("read array:"); |
| GTP_DEBUG_ARRAY(&rd_buf[GTP_ADDR_LENGTH], frame_length); |
| continue; |
| } |
| else |
| { |
| //GTP_DEBUG("Check frame data success."); |
| break; |
| } |
| } |
| if(retry >= MAX_FRAME_CHECK_TIME) |
| { |
| GTP_ERROR("Burn frame data time out,exit."); |
| return FAIL; |
| } |
| burn_length += frame_length; |
| burn_addr += frame_length; |
| } |
| return SUCCESS; |
| } |
| |
| static u8 gup_load_section_file(u8* buf, u16 offset, u16 length) |
| { |
| s32 ret = 0; |
| |
| if(update_msg.file == NULL) |
| { |
| GTP_ERROR("cannot find update file,load section file fail."); |
| return FAIL; |
| } |
| update_msg.file->f_pos = FW_HEAD_LENGTH + offset; |
| |
| ret = update_msg.file->f_op->read(update_msg.file, (char*)buf, length, &update_msg.file->f_pos); |
| if(ret < 0) |
| { |
| GTP_ERROR("Read update file fail."); |
| return FAIL; |
| } |
| |
| return SUCCESS; |
| } |
| |
| static u8 gup_recall_check(struct i2c_client *client, u8* chk_src, u16 start_rd_addr, u16 chk_length) |
| { |
| u8 rd_buf[PACK_SIZE + GTP_ADDR_LENGTH]; |
| s32 ret = 0; |
| u16 recall_addr = start_rd_addr; |
| u16 recall_length = 0; |
| u16 frame_length = 0; |
| |
| while(recall_length < chk_length) |
| { |
| frame_length = ((chk_length - recall_length) > PACK_SIZE) ? PACK_SIZE : (chk_length - recall_length); |
| ret = gup_get_ic_msg(client, recall_addr, rd_buf, frame_length); |
| if(ret <= 0) |
| { |
| GTP_ERROR("recall i2c error,exit"); |
| return FAIL; |
| } |
| |
| if(memcmp(&rd_buf[GTP_ADDR_LENGTH], &chk_src[recall_length], frame_length)) |
| { |
| GTP_ERROR("Recall frame data fail,not equal."); |
| GTP_DEBUG("chk_src array:"); |
| GTP_DEBUG_ARRAY(&chk_src[recall_length], frame_length); |
| GTP_DEBUG("recall array:"); |
| GTP_DEBUG_ARRAY(&rd_buf[GTP_ADDR_LENGTH], frame_length); |
| return FAIL; |
| } |
| |
| recall_length += frame_length; |
| recall_addr += frame_length; |
| } |
| GTP_DEBUG("Recall check %dk firmware success.", (chk_length/1024)); |
| |
| return SUCCESS; |
| } |
| |
| static u8 gup_burn_fw_section(struct i2c_client *client, u8 *fw_section, u16 start_addr, u8 bank_cmd ) |
| { |
| s32 ret = 0; |
| u8 rd_buf[5]; |
| |
| //step1:hold ss51 & dsp |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x0C); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]hold ss51 & dsp fail."); |
| return FAIL; |
| } |
| |
| //step2:set scramble |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_OPT_B0_, 0x00); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]set scramble fail."); |
| return FAIL; |
| } |
| |
| //step3:select bank |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__SRAM_BANK, (bank_cmd >> 4)&0x0F); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]select bank %d fail.", (bank_cmd >> 4)&0x0F); |
| return FAIL; |
| } |
| |
| //step4:enable accessing code |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__MEM_CD_EN, 0x01); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]enable accessing code fail."); |
| return FAIL; |
| } |
| |
| //step5:burn 8k fw section |
| ret = gup_burn_proc(client, fw_section, start_addr, FW_SECTION_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_section]burn fw_section fail."); |
| return FAIL; |
| } |
| |
| //step6:hold ss51 & release dsp |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x04); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]hold ss51 & release dsp fail."); |
| return FAIL; |
| } |
| //must delay |
| msleep(1); |
| |
| //step7:send burn cmd to move data to flash from sram |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, bank_cmd&0x0f); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]send burn cmd fail."); |
| return FAIL; |
| } |
| GTP_DEBUG("[burn_fw_section]Wait for the burn is complete......"); |
| do{ |
| ret = gup_get_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, rd_buf, 1); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]Get burn state fail"); |
| return FAIL; |
| } |
| msleep(10); |
| //GTP_DEBUG("[burn_fw_section]Get burn state:%d.", rd_buf[GTP_ADDR_LENGTH]); |
| }while(rd_buf[GTP_ADDR_LENGTH]); |
| |
| //step8:select bank |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__SRAM_BANK, (bank_cmd >> 4)&0x0F); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]select bank %d fail.", (bank_cmd >> 4)&0x0F); |
| return FAIL; |
| } |
| |
| //step9:enable accessing code |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__MEM_CD_EN, 0x01); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]enable accessing code fail."); |
| return FAIL; |
| } |
| |
| //step10:recall 8k fw section |
| ret = gup_recall_check(client, fw_section, start_addr, FW_SECTION_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_section]recall check 8k firmware fail."); |
| return FAIL; |
| } |
| |
| //step11:disable accessing code |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__MEM_CD_EN, 0x00); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_section]disable accessing code fail."); |
| return FAIL; |
| } |
| |
| return SUCCESS; |
| } |
| |
| static u8 gup_burn_dsp_isp(struct i2c_client *client) |
| { |
| s32 ret = 0; |
| u8* fw_dsp_isp = NULL; |
| u8 retry = 0; |
| |
| GTP_DEBUG("[burn_dsp_isp]Begin burn dsp isp---->>"); |
| |
| //step1:alloc memory |
| GTP_DEBUG("[burn_dsp_isp]step1:alloc memory"); |
| while(retry++ < 5) |
| { |
| fw_dsp_isp = (u8*)kzalloc(FW_DSP_ISP_LENGTH, GFP_KERNEL); |
| if(fw_dsp_isp == NULL) |
| { |
| continue; |
| } |
| else |
| { |
| GTP_INFO("[burn_dsp_isp]Alloc %dk byte memory success.", (FW_DSP_ISP_LENGTH/1024)); |
| break; |
| } |
| } |
| if(retry >= 5) |
| { |
| GTP_ERROR("[burn_dsp_isp]Alloc memory fail,exit."); |
| return FAIL; |
| } |
| |
| //step2:load dsp isp file data |
| GTP_DEBUG("[burn_dsp_isp]step2:load dsp isp file data"); |
| ret = gup_load_section_file(fw_dsp_isp, (4*FW_SECTION_LENGTH+FW_DSP_LENGTH+FW_BOOT_LENGTH), FW_DSP_ISP_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_dsp_isp]load firmware dsp_isp fail."); |
| goto exit_burn_dsp_isp; |
| } |
| |
| //step3:disable wdt,clear cache enable |
| GTP_DEBUG("[burn_dsp_isp]step3:disable wdt,clear cache enable"); |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__TMR0_EN, 0x00); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_dsp_isp]disable wdt fail."); |
| ret = FAIL; |
| goto exit_burn_dsp_isp; |
| } |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__CACHE_EN, 0x00); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_dsp_isp]clear cache enable fail."); |
| ret = FAIL; |
| goto exit_burn_dsp_isp; |
| } |
| |
| //step4:hold ss51 & dsp |
| GTP_DEBUG("[burn_dsp_isp]step4:hold ss51 & dsp"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x0C); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_dsp_isp]hold ss51 & dsp fail."); |
| ret = FAIL; |
| goto exit_burn_dsp_isp; |
| } |
| |
| //step5:set boot from sram |
| GTP_DEBUG("[burn_dsp_isp]step5:set boot from sram"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOTCTL_B0_, 0x02); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_dsp_isp]set boot from sram fail."); |
| ret = FAIL; |
| goto exit_burn_dsp_isp; |
| } |
| |
| //step6:software reboot |
| GTP_DEBUG("[burn_dsp_isp]step6:software reboot"); |
| ret = gup_set_ic_msg(client, _bWO_MISCTL__CPU_SWRST_PULSE, 0x01); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_dsp_isp]software reboot fail."); |
| ret = FAIL; |
| goto exit_burn_dsp_isp; |
| } |
| |
| //step7:select bank2 |
| GTP_DEBUG("[burn_dsp_isp]step7:select bank2"); |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__SRAM_BANK, 0x02); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_dsp_isp]select bank2 fail."); |
| ret = FAIL; |
| goto exit_burn_dsp_isp; |
| } |
| |
| //step8:enable accessing code |
| GTP_DEBUG("[burn_dsp_isp]step8:enable accessing code"); |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__MEM_CD_EN, 0x01); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_dsp_isp]enable accessing code fail."); |
| ret = FAIL; |
| goto exit_burn_dsp_isp; |
| } |
| |
| //step9:burn 4k dsp_isp |
| GTP_DEBUG("[burn_dsp_isp]step9:burn 4k dsp_isp"); |
| ret = gup_burn_proc(client, fw_dsp_isp, 0xC000, FW_DSP_ISP_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_dsp_isp]burn dsp_isp fail."); |
| goto exit_burn_dsp_isp; |
| } |
| |
| //step10:set scramble |
| GTP_DEBUG("[burn_dsp_isp]step10:set scramble"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_OPT_B0_, 0x00); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_dsp_isp]set scramble fail."); |
| ret = FAIL; |
| goto exit_burn_dsp_isp; |
| } |
| ret = SUCCESS; |
| |
| exit_burn_dsp_isp: |
| kfree(fw_dsp_isp); |
| return ret; |
| } |
| |
| static u8 gup_burn_fw_ss51(struct i2c_client *client) |
| { |
| u8* fw_ss51 = NULL; |
| u8 retry = 0; |
| s32 ret = 0; |
| |
| GTP_DEBUG("[burn_fw_ss51]Begin burn ss51 firmware---->>"); |
| |
| //step1:alloc memory |
| GTP_DEBUG("[burn_fw_ss51]step1:alloc memory"); |
| while(retry++ < 5) |
| { |
| fw_ss51 = (u8*)kzalloc(FW_SECTION_LENGTH, GFP_KERNEL); |
| if(fw_ss51 == NULL) |
| { |
| continue; |
| } |
| else |
| { |
| GTP_INFO("[burn_fw_ss51]Alloc %dk byte memory success.", (FW_SECTION_LENGTH/1024)); |
| break; |
| } |
| } |
| if(retry >= 5) |
| { |
| GTP_ERROR("[burn_fw_ss51]Alloc memory fail,exit."); |
| return FAIL; |
| } |
| |
| //step2:load ss51 firmware section 1 file data |
| GTP_DEBUG("[burn_fw_ss51]step2:load ss51 firmware section 1 file data"); |
| ret = gup_load_section_file(fw_ss51, 0, FW_SECTION_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_ss51]load ss51 firmware section 1 fail."); |
| goto exit_burn_fw_ss51; |
| } |
| |
| //step3:clear control flag |
| GTP_DEBUG("[burn_fw_ss51]step3:clear control flag"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, 0x00); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_ss51]clear control flag fail."); |
| ret = FAIL; |
| goto exit_burn_fw_ss51; |
| } |
| |
| //step4:burn ss51 firmware section 1 |
| GTP_DEBUG("[burn_fw_ss51]step4:burn ss51 firmware section 1"); |
| ret = gup_burn_fw_section(client, fw_ss51, 0xC000, 0x01); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_ss51]burn ss51 firmware section 1 fail."); |
| goto exit_burn_fw_ss51; |
| } |
| |
| //step5:load ss51 firmware section 2 file data |
| GTP_DEBUG("[burn_fw_ss51]step5:load ss51 firmware section 2 file data"); |
| ret = gup_load_section_file(fw_ss51, FW_SECTION_LENGTH, FW_SECTION_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_ss51]load ss51 firmware section 2 fail."); |
| goto exit_burn_fw_ss51; |
| } |
| |
| //step6:burn ss51 firmware section 2 |
| GTP_DEBUG("[burn_fw_ss51]step6:burn ss51 firmware section 2"); |
| ret = gup_burn_fw_section(client, fw_ss51, 0xE000, 0x02); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_ss51]burn ss51 firmware section 2 fail."); |
| goto exit_burn_fw_ss51; |
| } |
| |
| //step7:load ss51 firmware section 3 file data |
| GTP_DEBUG("[burn_fw_ss51]step7:load ss51 firmware section 3 file data"); |
| ret = gup_load_section_file(fw_ss51, 2*FW_SECTION_LENGTH, FW_SECTION_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_ss51]load ss51 firmware section 3 fail."); |
| goto exit_burn_fw_ss51; |
| } |
| |
| //step8:burn ss51 firmware section 3 |
| GTP_DEBUG("[burn_fw_ss51]step8:burn ss51 firmware section 3"); |
| ret = gup_burn_fw_section(client, fw_ss51, 0xC000, 0x13); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_ss51]burn ss51 firmware section 3 fail."); |
| goto exit_burn_fw_ss51; |
| } |
| |
| //step9:load ss51 firmware section 4 file data |
| GTP_DEBUG("[burn_fw_ss51]step9:load ss51 firmware section 4 file data"); |
| ret = gup_load_section_file(fw_ss51, 3*FW_SECTION_LENGTH, FW_SECTION_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_ss51]load ss51 firmware section 4 fail."); |
| goto exit_burn_fw_ss51; |
| } |
| |
| //step10:burn ss51 firmware section 4 |
| GTP_DEBUG("[burn_fw_ss51]step10:burn ss51 firmware section 4"); |
| ret = gup_burn_fw_section(client, fw_ss51, 0xE000, 0x14); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_ss51]burn ss51 firmware section 4 fail."); |
| goto exit_burn_fw_ss51; |
| } |
| |
| ret = SUCCESS; |
| |
| exit_burn_fw_ss51: |
| kfree(fw_ss51); |
| return ret; |
| } |
| |
| static u8 gup_burn_fw_dsp(struct i2c_client *client) |
| { |
| s32 ret = 0; |
| u8* fw_dsp = NULL; |
| u8 retry = 0; |
| u8 rd_buf[5]; |
| |
| GTP_DEBUG("[burn_fw_dsp]Begin burn dsp firmware---->>"); |
| //step1:alloc memory |
| GTP_DEBUG("[burn_fw_dsp]step1:alloc memory"); |
| while(retry++ < 5) |
| { |
| fw_dsp = (u8*)kzalloc(FW_DSP_LENGTH, GFP_KERNEL); |
| if(fw_dsp == NULL) |
| { |
| continue; |
| } |
| else |
| { |
| GTP_INFO("[burn_fw_dsp]Alloc %dk byte memory success.", (FW_SECTION_LENGTH/1024)); |
| break; |
| } |
| } |
| if(retry >= 5) |
| { |
| GTP_ERROR("[burn_fw_dsp]Alloc memory fail,exit."); |
| return FAIL; |
| } |
| |
| //step2:load firmware dsp |
| GTP_DEBUG("[burn_fw_dsp]step2:load firmware dsp"); |
| ret = gup_load_section_file(fw_dsp, 4*FW_SECTION_LENGTH, FW_DSP_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_dsp]load firmware dsp fail."); |
| goto exit_burn_fw_dsp; |
| } |
| |
| //step3:select bank3 |
| GTP_DEBUG("[burn_fw_dsp]step3:select bank3"); |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__SRAM_BANK, 0x03); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_dsp]select bank3 fail."); |
| ret = FAIL; |
| goto exit_burn_fw_dsp; |
| } |
| |
| //step4:hold ss51 & dsp |
| GTP_DEBUG("[burn_fw_dsp]step4:hold ss51 & dsp"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x0C); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_dsp]hold ss51 & dsp fail."); |
| ret = FAIL; |
| goto exit_burn_fw_dsp; |
| } |
| |
| //step5:set scramble |
| GTP_DEBUG("[burn_fw_dsp]step5:set scramble"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_OPT_B0_, 0x00); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_dsp]set scramble fail."); |
| ret = FAIL; |
| goto exit_burn_fw_dsp; |
| } |
| |
| //step6:release ss51 & dsp |
| GTP_DEBUG("[burn_fw_dsp]step6:release ss51 & dsp"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x04); //20121211 |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_dsp]release ss51 & dsp fail."); |
| ret = FAIL; |
| goto exit_burn_fw_dsp; |
| } |
| //must delay |
| msleep(1); |
| |
| //step7:burn 4k dsp firmware |
| GTP_DEBUG("[burn_fw_dsp]step7:burn 4k dsp firmware"); |
| ret = gup_burn_proc(client, fw_dsp, 0x9000, FW_DSP_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_dsp]burn fw_section fail."); |
| goto exit_burn_fw_dsp; |
| } |
| |
| //step8:send burn cmd to move data to flash from sram |
| GTP_DEBUG("[burn_fw_dsp]step8:send burn cmd to move data to flash from sram"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, 0x05); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_dsp]send burn cmd fail."); |
| goto exit_burn_fw_dsp; |
| } |
| GTP_DEBUG("[burn_fw_dsp]Wait for the burn is complete......"); |
| do{ |
| ret = gup_get_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, rd_buf, 1); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_dsp]Get burn state fail"); |
| goto exit_burn_fw_dsp; |
| } |
| msleep(10); |
| //GTP_DEBUG("[burn_fw_dsp]Get burn state:%d.", rd_buf[GTP_ADDR_LENGTH]); |
| }while(rd_buf[GTP_ADDR_LENGTH]); |
| |
| //step9:recall check 4k dsp firmware |
| GTP_DEBUG("[burn_fw_dsp]step9:recall check 4k dsp firmware"); |
| ret = gup_recall_check(client, fw_dsp, 0x9000, FW_DSP_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_dsp]recall check 4k dsp firmware fail."); |
| goto exit_burn_fw_dsp; |
| } |
| |
| ret = SUCCESS; |
| |
| exit_burn_fw_dsp: |
| kfree(fw_dsp); |
| return ret; |
| } |
| |
| static u8 gup_burn_fw_boot(struct i2c_client *client) |
| { |
| s32 ret = 0; |
| u8* fw_boot = NULL; |
| u8 retry = 0; |
| u8 rd_buf[5]; |
| |
| GTP_DEBUG("[burn_fw_boot]Begin burn bootloader firmware---->>"); |
| |
| //step1:Alloc memory |
| GTP_DEBUG("[burn_fw_boot]step1:Alloc memory"); |
| while(retry++ < 5) |
| { |
| fw_boot = (u8*)kzalloc(FW_BOOT_LENGTH, GFP_KERNEL); |
| if(fw_boot == NULL) |
| { |
| continue; |
| } |
| else |
| { |
| GTP_INFO("[burn_fw_boot]Alloc %dk byte memory success.", (FW_BOOT_LENGTH/1024)); |
| break; |
| } |
| } |
| if(retry >= 5) |
| { |
| GTP_ERROR("[burn_fw_boot]Alloc memory fail,exit."); |
| return FAIL; |
| } |
| |
| //step2:load firmware bootloader |
| GTP_DEBUG("[burn_fw_boot]step2:load firmware bootloader"); |
| ret = gup_load_section_file(fw_boot, (4*FW_SECTION_LENGTH+FW_DSP_LENGTH), FW_BOOT_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_boot]load firmware dsp fail."); |
| goto exit_burn_fw_boot; |
| } |
| |
| //step3:hold ss51 & dsp |
| GTP_DEBUG("[burn_fw_boot]step3:hold ss51 & dsp"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x0C); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_boot]hold ss51 & dsp fail."); |
| ret = FAIL; |
| goto exit_burn_fw_boot; |
| } |
| |
| //step4:set scramble |
| GTP_DEBUG("[burn_fw_boot]step4:set scramble"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_OPT_B0_, 0x00); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_boot]set scramble fail."); |
| ret = FAIL; |
| goto exit_burn_fw_boot; |
| } |
| |
| //step5:release ss51 & dsp |
| GTP_DEBUG("[burn_fw_boot]step5:release ss51 & dsp"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x04); //20121211 |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_boot]release ss51 & dsp fail."); |
| ret = FAIL; |
| goto exit_burn_fw_boot; |
| } |
| //must delay |
| msleep(1); |
| |
| //step6:select bank3 |
| GTP_DEBUG("[burn_fw_boot]step6:select bank3"); |
| ret = gup_set_ic_msg(client, _bRW_MISCTL__SRAM_BANK, 0x03); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_boot]select bank3 fail."); |
| ret = FAIL; |
| goto exit_burn_fw_boot; |
| } |
| |
| //step7:burn 2k bootloader firmware |
| GTP_DEBUG("[burn_fw_boot]step7:burn 2k bootloader firmware"); |
| ret = gup_burn_proc(client, fw_boot, 0x9000, FW_BOOT_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_boot]burn fw_section fail."); |
| goto exit_burn_fw_boot; |
| } |
| |
| //step7:send burn cmd to move data to flash from sram |
| GTP_DEBUG("[burn_fw_boot]step7:send burn cmd to move data to flash from sram"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, 0x06); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_boot]send burn cmd fail."); |
| goto exit_burn_fw_boot; |
| } |
| GTP_DEBUG("[burn_fw_boot]Wait for the burn is complete......"); |
| do{ |
| ret = gup_get_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, rd_buf, 1); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_boot]Get burn state fail"); |
| goto exit_burn_fw_boot; |
| } |
| msleep(10); |
| //GTP_DEBUG("[burn_fw_boot]Get burn state:%d.", rd_buf[GTP_ADDR_LENGTH]); |
| }while(rd_buf[GTP_ADDR_LENGTH]); |
| |
| //step8:recall check 2k bootloader firmware |
| GTP_DEBUG("[burn_fw_boot]step8:recall check 2k bootloader firmware"); |
| ret = gup_recall_check(client, fw_boot, 0x9000, FW_BOOT_LENGTH); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[burn_fw_boot]recall check 4k dsp firmware fail."); |
| goto exit_burn_fw_boot; |
| } |
| |
| //step9:enable download DSP code |
| GTP_DEBUG("[burn_fw_boot]step9:enable download DSP code "); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, 0x99); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_boot]enable download DSP code fail."); |
| ret = FAIL; |
| goto exit_burn_fw_boot; |
| } |
| |
| //step10:release ss51 & hold dsp |
| GTP_DEBUG("[burn_fw_boot]step10:release ss51 & hold dsp"); |
| ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x08); |
| if(ret <= 0) |
| { |
| GTP_ERROR("[burn_fw_boot]release ss51 & hold dsp fail."); |
| ret = FAIL; |
| goto exit_burn_fw_boot; |
| } |
| |
| ret = SUCCESS; |
| |
| exit_burn_fw_boot: |
| kfree(fw_boot); |
| return ret; |
| } |
| |
| s32 gup_update_proc(void *dir) |
| { |
| s32 ret = 0; |
| u8 retry = 0; |
| st_fw_head fw_head; |
| struct goodix_ts_data *ts = NULL; |
| |
| GTP_DEBUG("[update_proc]Begin update ......"); |
| |
| show_len = 1; |
| total_len = 100; |
| if(dir == NULL) |
| { |
| msleep(3000); //wait main thread to be completed |
| } |
| |
| ts = i2c_get_clientdata(i2c_connect_client); |
| |
| if (searching_file) |
| { |
| searching_file = 0; // exit .bin update file searching |
| GTP_INFO("Exiting searching .bin update file..."); |
| while ((show_len != 200) && (show_len != 100)) // wait for auto update quitted completely |
| { |
| msleep(100); |
| } |
| } |
| |
| update_msg.file = NULL; |
| ret = gup_check_update_file(i2c_connect_client, &fw_head, (u8*)dir); //20121211 |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[update_proc]check update file fail."); |
| goto file_fail; |
| } |
| |
| //gtp_reset_guitar(i2c_connect_client, 20); |
| ret = gup_get_ic_fw_msg(i2c_connect_client); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[update_proc]get ic message fail."); |
| goto file_fail; |
| } |
| |
| ret = gup_enter_update_judge(&fw_head); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[update_proc]Check *.bin file fail."); |
| goto file_fail; |
| } |
| |
| ts->enter_update = 1; |
| gtp_irq_disable(ts); |
| #if GTP_ESD_PROTECT |
| gtp_esd_switch(ts->client, SWITCH_OFF); |
| #endif |
| ret = gup_enter_update_mode(i2c_connect_client); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[update_proc]enter update mode fail."); |
| goto update_fail; |
| } |
| |
| while(retry++ < 5) |
| { |
| show_len = 10; |
| total_len = 100; |
| ret = gup_burn_dsp_isp(i2c_connect_client); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[update_proc]burn dsp isp fail."); |
| continue; |
| } |
| |
| show_len += 10; |
| ret = gup_burn_fw_ss51(i2c_connect_client); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[update_proc]burn ss51 firmware fail."); |
| continue; |
| } |
| |
| show_len += 40; |
| ret = gup_burn_fw_dsp(i2c_connect_client); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[update_proc]burn dsp firmware fail."); |
| continue; |
| } |
| |
| show_len += 20; |
| ret = gup_burn_fw_boot(i2c_connect_client); |
| if(FAIL == ret) |
| { |
| GTP_ERROR("[update_proc]burn bootloader firmware fail."); |
| continue; |
| } |
| show_len += 10; |
| GTP_INFO("[update_proc]UPDATE SUCCESS."); |
| break; |
| } |
| if(retry >= 5) |
| { |
| GTP_ERROR("[update_proc]retry timeout,UPDATE FAIL."); |
| goto update_fail; |
| } |
| |
| GTP_DEBUG("[update_proc]leave update mode."); |
| gup_leave_update_mode(); |
| |
| msleep(100); |
| // GTP_DEBUG("[update_proc]send config."); |
| // ret = gtp_send_cfg(i2c_connect_client); |
| // if(ret < 0) |
| // { |
| // GTP_ERROR("[update_proc]send config fail."); |
| // } |
| if (ts->fw_error) |
| { |
| GTP_INFO("firmware error auto update, resent config!"); |
| gup_init_panel(ts); |
| } |
| show_len = 100; |
| total_len = 100; |
| ts->enter_update = 0; |
| gtp_irq_enable(ts); |
| |
| #if GTP_ESD_PROTECT |
| gtp_esd_switch(ts->client, SWITCH_ON); |
| #endif |
| filp_close(update_msg.file, NULL); |
| return SUCCESS; |
| |
| update_fail: |
| ts->enter_update = 0; |
| gtp_irq_enable(ts); |
| |
| #if GTP_ESD_PROTECT |
| gtp_esd_switch(ts->client, SWITCH_ON); |
| #endif |
| |
| file_fail: |
| if(update_msg.file && !IS_ERR(update_msg.file)) |
| { |
| filp_close(update_msg.file, NULL); |
| } |
| show_len = 200; |
| total_len = 100; |
| return FAIL; |
| } |
| |
| #if GTP_AUTO_UPDATE |
| u8 gup_init_update_proc(struct goodix_ts_data *ts) |
| { |
| struct task_struct *thread = NULL; |
| |
| GTP_INFO("Ready to run update thread."); |
| thread = kthread_run(gup_update_proc, (void*)NULL, "guitar_update"); |
| if (IS_ERR(thread)) |
| { |
| GTP_ERROR("Failed to create update thread.\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| #endif |