| /* |
| * sec_tclm.c - samsung tclm command driver |
| * |
| * Copyright (C) 2018 Samsung Electronics |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| |
| #include <linux/input/sec_tclm_v2.h> |
| #include <linux/input.h> |
| |
| struct sec_cal_position sec_cal_positions[CALPOSITION_MAX] = { |
| {CAL_POS_CMD("NONE", 'N'),}, /* 0, NONe */ |
| {CAL_POS_CMD("INIT", 'I'),}, /* 1, INIT case, calcount is 00 or FF */ |
| {CAL_POS_CMD("FACT", 'F'),}, /* 2, FACTory line, run_force_calibration without value */ |
| {CAL_POS_CMD("OUTS", 'O'),}, /* 3, OUTSide of factory */ |
| {CAL_POS_CMD("LCIA", 'L'),}, /* 4, LCIA in factory line */ |
| {CAL_POS_CMD("CENT", 'C'),}, /* 5, svc CENTer, cal from service center */ |
| {CAL_POS_CMD("ABNO", 'A'),}, /* 6, ABNOrmal case */ |
| {CAL_POS_CMD("BOOT", 'B'),}, /* 7, BOOT firmup, when firmup in booting time */ |
| {CAL_POS_CMD("SPEC", 'S'),}, /* 8, SPECout case */ |
| {CAL_POS_CMD("TUNE", 'V'),}, /* 9, TUNE Version up, when afe version is lage than tune version */ |
| {CAL_POS_CMD("EVER", 'E'),}, /* 10, EVERytime, always cal in Booting */ |
| {CAL_POS_CMD("TEST", 'T'),}, /* 11, TESTmode, firmup case in *#2663# */ |
| {CAL_POS_CMD("UNDE", 'U'),}, /* 12, UNDEfine, undefined value */ |
| {CAL_POS_CMD("UNDE", 'U'),}, /* 13 */ |
| {CAL_POS_CMD("UNDE", 'U'),}, /* 14 */ |
| {CAL_POS_CMD("UNDE", 'U'),} /* 15 */ |
| }; |
| |
| void sec_tclm_case(struct sec_tclm_data *data, int tclm_case) |
| { |
| switch (tclm_case) { |
| case 0: |
| case 'F': |
| case 'f': |
| if (data->external_factory == true) |
| sec_tclm_root_of_cal(data, CALPOSITION_OUTSIDE); |
| else |
| sec_tclm_root_of_cal(data, CALPOSITION_FACTORY); |
| break; |
| |
| case 'L': |
| case 'l': |
| sec_tclm_root_of_cal(data, CALPOSITION_LCIA); |
| break; |
| |
| case 'C': |
| case 'c': |
| sec_tclm_root_of_cal(data, CALPOSITION_SVCCENTER); |
| break; |
| |
| case 'O': |
| case 'o': |
| sec_tclm_root_of_cal(data, CALPOSITION_OUTSIDE); |
| break; |
| |
| default: |
| sec_tclm_root_of_cal(data, CALPOSITION_ABNORMAL); |
| } |
| } |
| |
| int tclm_test_command(struct sec_tclm_data *data, int test_case, int cmd_param1, int cmd_param2, char *buff) |
| { |
| int ret = 1; |
| const int buff_size = 256; |
| switch (test_case) { |
| case 0: // get tclm_level,afe_base |
| snprintf(buff, buff_size, "%d,%04X", data->tclm_level, data->afe_base); |
| break; |
| case 1: /* change cal_position & history |
| * cmd_param[1]: cal_position enum |
| * cmd_param[2]: tune_fix_ver */ |
| if (cmd_param1 == 0xff) |
| sec_tclm_root_of_cal(data, 0); |
| else |
| sec_tclm_root_of_cal(data, cmd_param1); |
| |
| if (data->root_of_calibration != data->nvdata.cal_position) { |
| sec_tclm_reposition_history(data); |
| data->nvdata.cal_count = 0; |
| } |
| data->nvdata.cal_count++; |
| if (cmd_param1 == 0) { |
| data->nvdata.cal_count = 0; |
| |
| data->nvdata.cal_pos_hist_cnt = 0; |
| data->nvdata.cal_pos_hist_lastp = 0; |
| |
| cmd_param2 = 0; |
| } else if (cmd_param1 == 0xff) { |
| data->nvdata.cal_count = 0xff; |
| |
| data->nvdata.cal_pos_hist_cnt = 0; |
| data->nvdata.cal_pos_hist_lastp = 0; |
| |
| cmd_param2 = 0xffff; |
| } |
| data->nvdata.cal_position = data->root_of_calibration; |
| data->nvdata.tune_fix_ver = cmd_param2; |
| ret = data->tclm_write(data->client); |
| if (ret < 0) { |
| input_info(true,&data->client->dev, "%s failed\n", __func__); |
| snprintf(buff, buff_size, "%s", "FAIL"); |
| return ret; |
| } |
| sec_tclm_root_of_cal(data, CALPOSITION_NONE); |
| |
| input_info(true,&data->client->dev, "%s,1: cal_pos: %d, tune_fix_ver:0x%04X\n", |
| __func__, cmd_param1, cmd_param2); |
| |
| sec_tclm_position_history(data); |
| |
| snprintf(buff, buff_size, "%s", "OK"); |
| break; |
| case 2: /* change tclm_level, afe_base |
| * cmd_param[1]: tclm_level |
| * cmd_param[2]: afe_base */ |
| { |
| |
| data->tclm[0] = (cmd_param1 & 0xFF); |
| data->tclm[1] = ((cmd_param2 >> 8) & 0xFF); |
| data->tclm[2] = (cmd_param2 & 0xFF); |
| |
| ret = data->tclm_write(data->client); |
| if (ret < 0) { |
| input_info(true,&data->client->dev, "%s failed\n", __func__); |
| snprintf(buff, buff_size, "%s", "FAIL"); |
| return ret; |
| } |
| |
| memset(data->tclm, 0x00, SEC_TCLM_NVM_OFFSET_LENGTH); |
| ret = data->tclm_read(data->client, SEC_TCLM_NVM_TEST); |
| if (ret < 0) { |
| input_info(true,&data->client->dev, "%s failed\n", __func__); |
| snprintf(buff, buff_size, "%s", "FAIL"); |
| return ret; |
| } |
| data->tclm_level = data->tclm[0]; |
| data->afe_base = (data->tclm[1] << 8) | data->tclm[2]; |
| |
| input_err(true, &data->client->dev, "%s,2: tclm_level %d, sec_afe_base %04X\n", __func__, data->tclm_level, data->afe_base); |
| snprintf(buff, buff_size, "%s", "OK"); |
| } |
| break; |
| case 3: /* clear tclm_level, afe_base nv & set to dt_data */ |
| { |
| data->tclm[0]= 0xff; |
| data->tclm[1]= 0xff; |
| data->tclm[2]= 0xff; |
| |
| /* clear tclm_level, afe_base nvm to 0xff */ |
| ret = data->tclm_write(data->client); |
| if (ret < 0) { |
| input_info(true,&data->client->dev, "%s failed\n", __func__); |
| snprintf(buff, buff_size, "%s", "FAIL"); |
| return ret; |
| } |
| |
| /* get dt_data again */ |
| data->tclm_parse_dt(data->client, data); |
| |
| input_err(true, &data->client->dev, "%s,3: tclm_level %d, sec_afe_base %04X\n", __func__, data->tclm_level, data->afe_base); |
| snprintf(buff, buff_size, "%s", "OK"); |
| } |
| break; |
| } |
| |
| return ret; |
| } |
| |
| int sec_tclm_test_on_probe(struct sec_tclm_data *data) |
| { |
| int retry = 3; |
| int ret = 0; |
| |
| while (retry--) { |
| ret = data->tclm_read(data->client, SEC_TCLM_NVM_TEST); |
| if (ret >= 0) |
| break; |
| } |
| |
| if (ret < 0) |
| input_err(true, &data->client->dev, "%s: failed ret:%d\n", __func__, ret); |
| |
| return ret; |
| } |
| |
| int sec_tclm_get_nvm_all(struct sec_tclm_data *data) |
| { |
| int ret; |
| int retry = 3; |
| |
| /* just don't read tune_fix_version, because this is write_only_value. */ |
| while (retry--) { |
| ret = data->tclm_read(data->client, SEC_TCLM_NVM_ALL_DATA); |
| if (ret >= 0) |
| break; |
| } |
| |
| if (ret < 0) { |
| input_err(true, &data->client->dev, "%s: failed ret:%d\n", __func__, ret); |
| return ret; |
| } |
| |
| if (data->nvdata.cal_count == 0xFF || data->nvdata.cal_position >= CALPOSITION_MAX) { |
| data->nvdata.cal_count = 0; |
| data->nvdata.cal_position = 0; |
| data->nvdata.tune_fix_ver = 0; |
| data->nvdata.cal_pos_hist_cnt = 0; |
| data->nvdata.cal_pos_hist_lastp = 0; |
| input_info(true, &data->client->dev, "%s: cal data is abnormal\n", __func__); |
| return TCLM_RESULT_ABNORMAL; |
| } |
| |
| if (data->nvdata.cal_pos_hist_cnt > CAL_HISTORY_QUEUE_MAX) |
| data->nvdata.cal_pos_hist_cnt = 0; /* error case */ |
| |
| input_info(true, &data->client->dev, "%s: cal_count:%d, pos:%d(%4s), hist_count:%d, lastp:%d\n", |
| __func__, data->nvdata.cal_count, data->nvdata.cal_position, |
| data->tclm_string[data->nvdata.cal_position].f_name, |
| data->nvdata.cal_pos_hist_cnt, data->nvdata.cal_pos_hist_lastp); |
| |
| sec_tclm_position_history(data); |
| |
| return TCLM_RESULT_DONE; |
| } |
| |
| void sec_tclm_position_history(struct sec_tclm_data *data) |
| { |
| int i; |
| int now_lastp = data->nvdata.cal_pos_hist_lastp; |
| |
| if (data->nvdata.cal_pos_hist_cnt > CAL_HISTORY_QUEUE_MAX |
| || data->nvdata.cal_pos_hist_lastp >= CAL_HISTORY_QUEUE_MAX) { |
| input_info(true, &data->client->dev, "%s: not initial case, count:%X, p:%X\n", __func__, |
| data->nvdata.cal_pos_hist_cnt, data->nvdata.cal_pos_hist_lastp); |
| return; |
| } |
| |
| input_info(true, &data->client->dev, "%s: [Now] %4s%d\n", __func__, |
| data->tclm_string[data->nvdata.cal_position].f_name, data->nvdata.cal_count); |
| pr_info("%s %s: [Old] ", SECLOG, __func__); |
| |
| for (i = 0; i < data->nvdata.cal_pos_hist_cnt; i++) { |
| pr_cont("%c%d", data->tclm_string[data->nvdata.cal_pos_hist_queue[2 * now_lastp]].s_name, data->nvdata.cal_pos_hist_queue[2 * now_lastp + 1]); |
| |
| if (i < CAL_HISTORY_QUEUE_SHORT_DISPLAY) { |
| data->cal_pos_hist_last3[2 * i] = data->tclm_string[data->nvdata.cal_pos_hist_queue[2 * now_lastp]].s_name; |
| data->cal_pos_hist_last3[2 * i + 1] = data->nvdata.cal_pos_hist_queue[2 * now_lastp + 1]; |
| } |
| |
| if (now_lastp <= 0) |
| now_lastp = CAL_HISTORY_QUEUE_MAX - 1; |
| else |
| now_lastp--; |
| } |
| pr_cont("\n"); |
| |
| if (i < CAL_HISTORY_QUEUE_SHORT_DISPLAY) |
| data->cal_pos_hist_last3[2 * i] = 0; |
| else |
| data->cal_pos_hist_last3[6] = 0; |
| |
| } |
| |
| void sec_tclm_debug_info(struct sec_tclm_data *data) |
| { |
| sec_tclm_position_history(data); |
| } |
| |
| void sec_tclm_root_of_cal(struct sec_tclm_data *data, int pos) |
| { |
| data->root_of_calibration = pos; |
| input_info(true, &data->client->dev, "%s: root - %d(%4s)\n", __func__, |
| pos, data->tclm_string[pos].f_name); |
| } |
| |
| static bool sec_tclm_check_condition_valid(struct sec_tclm_data *data) |
| { |
| |
| input_err(true, &data->client->dev, "%s tclm_level:%02X, last pos:%d(%4s), now pos:%d(%4s)\n", |
| __func__, data->tclm_level, data->nvdata.cal_position, data->tclm_string[data->nvdata.cal_position].f_name, |
| data->root_of_calibration, data->tclm_string[data->root_of_calibration].f_name); |
| |
| /* enter case */ |
| switch (data->tclm_level) { |
| case TCLM_LEVEL_LOCKDOWN: |
| if ((data->root_of_calibration == CALPOSITION_TUNEUP) |
| || (data->root_of_calibration == CALPOSITION_INITIAL)) { |
| return true; |
| } else if ((data->root_of_calibration == CALPOSITION_TESTMODE) |
| && ((data->nvdata.cal_position == CALPOSITION_TESTMODE) |
| || (data->nvdata.cal_position == CALPOSITION_TUNEUP) |
| || (data->nvdata.cal_position == CALPOSITION_FIRMUP))) { |
| return true; |
| } |
| break; |
| |
| case TCLM_LEVEL_CLEAR_NV: |
| return true; |
| |
| case TCLM_LEVEL_EVERYTIME: |
| return true; |
| |
| case TCLM_LEVEL_NONE: |
| if ((data->root_of_calibration == CALPOSITION_TESTMODE) |
| || (data->root_of_calibration == CALPOSITION_INITIAL)) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| return false; |
| } |
| |
| void sec_tclm_reposition_history(struct sec_tclm_data *data) |
| { |
| /* current data of cal count,position save cal history queue */ |
| |
| if (data->nvdata.cal_pos_hist_cnt > CAL_HISTORY_QUEUE_MAX || data->nvdata.cal_pos_hist_lastp >= CAL_HISTORY_QUEUE_MAX) { |
| /* queue nvm clear case */ |
| data->nvdata.cal_pos_hist_cnt = 0; |
| data->nvdata.cal_pos_hist_lastp = 0; |
| } |
| |
| /*calculate queue lastpointer */ |
| if (data->nvdata.cal_pos_hist_cnt == 0) |
| data->nvdata.cal_pos_hist_lastp = 0; |
| else if (data->nvdata.cal_pos_hist_lastp >= (CAL_HISTORY_QUEUE_MAX - 1)) |
| data->nvdata.cal_pos_hist_lastp = 0; |
| else |
| data->nvdata.cal_pos_hist_lastp++; |
| |
| /*calculate queue count */ |
| if (data->nvdata.cal_pos_hist_cnt >= CAL_HISTORY_QUEUE_MAX) |
| data->nvdata.cal_pos_hist_cnt = CAL_HISTORY_QUEUE_MAX; |
| else |
| data->nvdata.cal_pos_hist_cnt++; |
| |
| data->nvdata.cal_pos_hist_queue[data->nvdata.cal_pos_hist_lastp * 2] = data->nvdata.cal_position; |
| data->nvdata.cal_pos_hist_queue[data->nvdata.cal_pos_hist_lastp * 2 + 1] = data->nvdata.cal_count; |
| } |
| |
| int sec_execute_tclm_package(struct sec_tclm_data *data, int factory_mode) |
| { |
| int ret; |
| int retry = 3; |
| |
| /* first read cal data for compare */ |
| |
| ret = sec_tclm_get_nvm_all(data); |
| if (ret < 0) { |
| input_err(true, &data->client->dev, "%s: sec_tclm_nvm_all_data i2c read fail", __func__); |
| goto out; |
| } |
| |
| |
| input_err(true, &data->client->dev, "%s: tclm_level:%02X, last pos:%d(%4s), now pos:%d(%4s), factory:%d\n", |
| __func__, data->tclm_level, data->nvdata.cal_position, data->tclm_string[data->nvdata.cal_position].f_name, |
| data->root_of_calibration, data->tclm_string[data->root_of_calibration].f_name, |
| factory_mode); |
| |
| /* if is run_for_calibration, don't check cal condition */ |
| if (!factory_mode) { |
| |
| /*check cal condition */ |
| ret = sec_tclm_check_condition_valid(data); |
| if (!ret) { |
| input_err(true, &data->client->dev, "%s: fail tclm condition,%d, root:%d\n", |
| __func__, ret, data->root_of_calibration); |
| return TCLM_RESULT_DONE; /* do not need calibration */ |
| } |
| |
| input_err(true, &data->client->dev, "%s: RUN OFFSET CALIBRATION,%d\n", __func__, ret); |
| |
| /* execute force cal */ |
| ret = data->tclm_execute_force_calibration(data->client, TCLM_OFFSET_CAL_SEC); |
| if (ret < 0) { |
| input_err(true, &data->client->dev, "%s: fail to write OFFSET CAL SEC!\n", __func__); |
| return ret; |
| } |
| } |
| |
| if ((data->nvdata.cal_count < 1) || (data->nvdata.cal_count >= 0xFF)) { |
| /* all nvm clear */ |
| data->nvdata.cal_count = 0; |
| data->nvdata.cal_pos_hist_cnt = 0; |
| data->nvdata.cal_pos_hist_lastp = 0; |
| } else if (data->root_of_calibration != data->nvdata.cal_position) { |
| sec_tclm_reposition_history(data); |
| data->nvdata.cal_count = 0; |
| } |
| |
| if (data->nvdata.cal_count == 0) { |
| /* saving cal position */ |
| data->nvdata.cal_position = data->root_of_calibration; |
| } |
| |
| data->nvdata.cal_count++; |
| |
| /* saving tune_version */ |
| ret = data->tclm_read(data->client, SEC_TCLM_NVM_OFFSET_IC_FIRMWARE_VER); |
| if (ret < 0) { |
| input_err(true, &data->client->dev, "%s: SEC_TCLM_NVM_OFFSET_IC_FIRMWARE_VER i2c read fail", __func__); |
| goto out; |
| } |
| data->nvdata.tune_fix_ver = ret; |
| |
| while (retry--) { |
| ret = data->tclm_write(data->client); |
| if (ret >= 0) |
| break; |
| } |
| |
| if (ret < 0) { |
| input_err(true, &data->client->dev, "%s: failed ret:%d\n", __func__, ret); |
| goto out; |
| } |
| |
| sec_tclm_position_history(data); |
| |
| return TCLM_RESULT_CAL_DONE; |
| |
| out: |
| return ret; |
| } |
| |
| int sec_tclm_check_cal_case(struct sec_tclm_data *data) |
| { |
| int restore_cal = 0; |
| int ret = 0; |
| |
| if (data->nvdata.cal_count == 0xFF) { |
| ret = data->tclm_read(data->client, SEC_TCLM_NVM_ALL_DATA); |
| if (ret < 0) { |
| input_err(true, &data->client->dev, "%s: fail to read SEC_TCLM_NVM_ALL_DATA !\n", __func__); |
| return ret; |
| } |
| |
| input_info(true, &data->client->dev, "%s: cal_count value [%d]\n", __func__, data->nvdata.cal_count); |
| } |
| |
| if ((data->nvdata.cal_count == 0) || (data->nvdata.cal_count == 0xFF)) { |
| input_err(true, &data->client->dev, "%s: Calcount is abnormal,%02X\n", __func__, data->nvdata.cal_count); |
| /* nvm uninitialed case */ |
| sec_tclm_root_of_cal(data, CALPOSITION_INITIAL); |
| restore_cal = 1; |
| } else if (data->tclm_level == TCLM_LEVEL_EVERYTIME) { |
| /* everytime case */ |
| sec_tclm_root_of_cal(data, CALPOSITION_EVERYTIME); |
| restore_cal = 1; |
| } |
| |
| if (restore_cal) { |
| ret = sec_execute_tclm_package(data, 0); |
| if (ret < 0) { |
| input_err(true, &data->client->dev, "%s: fail sec_execute_tclm_package!\n", __func__); |
| return ret; |
| } |
| sec_tclm_root_of_cal(data, CALPOSITION_NONE); |
| return ret; |
| } |
| |
| ret = sec_tclm_get_nvm_all(data); |
| if (ret < 0) { |
| input_info(true, &data->client->dev, "%s: sec_tclm_get_nvm_all error \n", __func__); |
| } |
| |
| return ret; |
| } |
| |
| void sec_tclm_initialize(struct sec_tclm_data *data) |
| { |
| data->root_of_calibration = CALPOSITION_NONE; |
| data->nvdata.cal_position = 0; |
| data->nvdata.cal_pos_hist_cnt = 0; |
| data->cal_pos_hist_last3[0] = 0; |
| data->tclm_string = sec_cal_positions; |
| data->nvdata.cal_count = 0xFF; |
| } |
| |
| MODULE_DESCRIPTION("Samsung tclm command"); |
| MODULE_LICENSE("GPL"); |