blob: bb11526a9e7aaf7a3f1b0ed99104b4eaeefe33d9 [file] [log] [blame]
/*
* 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");