diff options
Diffstat (limited to 'common/charger_profile_override.c')
| -rw-r--r-- | common/charger_profile_override.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/common/charger_profile_override.c b/common/charger_profile_override.c deleted file mode 100644 index 2b691b9a5a..0000000000 --- a/common/charger_profile_override.c +++ /dev/null @@ -1,201 +0,0 @@ -/* Copyright 2016 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Charger profile override for fast charging - */ - -#include "charger_profile_override.h" -#include "console.h" -#include "ec_commands.h" -#include "util.h" - -#ifdef CONFIG_CMD_CHARGER_PROFILE_OVERRIDE_TEST -static int fast_charge_test_on; -static int test_flag_temp; -static int test_flag_vtg; -static int test_temp_c; -static int test_vtg_mV = -1; -#endif - -static int fast_charging_allowed = 1; - -int charger_profile_override_common(struct charge_state_data *curr, - const struct fast_charge_params *fast_chg_params, - const struct fast_charge_profile **prev_chg_prof_info, - int batt_vtg_max) -{ - int i, voltage_range; - /* temp in 0.1 deg C */ - int temp_c = curr->batt.temperature - 2731; - int temp_ranges = fast_chg_params->total_temp_ranges; - const struct fast_charge_profile *chg_profile_info = - fast_chg_params->chg_profile_info; - -#ifdef CONFIG_CMD_CHARGER_PROFILE_OVERRIDE_TEST - if (fast_charge_test_on && test_vtg_mV != -1) { - temp_c = TEMPC_TENTHS_OF_DEG(test_temp_c); - curr->batt.voltage = test_vtg_mV; - - if (test_flag_temp) - curr->batt.flags |= BATT_FLAG_BAD_TEMPERATURE; - else - curr->batt.flags &= BATT_FLAG_BAD_TEMPERATURE; - - if (test_flag_vtg) - curr->batt.flags |= BATT_FLAG_BAD_VOLTAGE; - else - curr->batt.flags &= BATT_FLAG_BAD_VOLTAGE; - } -#endif - - /* - * Determine temperature range. - * If temp reading was bad, use last range. - */ - if (!(curr->batt.flags & BATT_FLAG_BAD_TEMPERATURE)) { - while (chg_profile_info && temp_ranges) { - if (temp_c <= chg_profile_info->temp_c) { - *prev_chg_prof_info = chg_profile_info; - break; - } - chg_profile_info++; - temp_ranges--; - } - - /* Invalid charge profile selected */ - if (!chg_profile_info || !temp_ranges) - return -1; - } - - /* - * If the battery voltage reading is bad or the battery voltage is - * greater than or equal to the lower limit or the battery voltage is - * not in the charger profile voltage range, consider battery has high - * voltage range so that we charge at lower current limit. - */ - voltage_range = CONFIG_CHARGER_PROFILE_VOLTAGE_RANGES - 1; - - if (!(curr->batt.flags & BATT_FLAG_BAD_VOLTAGE)) { - for (i = 0; i < CONFIG_CHARGER_PROFILE_VOLTAGE_RANGES - 1; - i++) { - if (curr->batt.voltage < - fast_chg_params->voltage_mV[i]) { - voltage_range = i; - break; - } - } - } - - /* - * If we are not charging or we aren't using fast charging profiles, - * then do not override desired current and voltage. - */ - if (curr->state != ST_CHARGE || !fast_charging_allowed) - return 0; - - /* - * Okay, impose our custom will: - */ - curr->requested_current = - (*prev_chg_prof_info)->current_mA[voltage_range]; - curr->requested_voltage = curr->requested_current ? batt_vtg_max : 0; - -#ifdef CONFIG_CMD_CHARGER_PROFILE_OVERRIDE_TEST - if (fast_charge_test_on) - ccprintf("Fast charge profile i=%dmA, v=%dmV\n", - curr->requested_current, curr->requested_voltage); -#endif - - return 0; -} - -/* Customs options controllable by host command. */ -#define PARAM_FASTCHARGE (CS_PARAM_CUSTOM_PROFILE_MIN + 0) - -enum ec_status charger_profile_override_get_param(uint32_t param, - uint32_t *value) -{ - if (param == PARAM_FASTCHARGE) { - *value = fast_charging_allowed; - return EC_RES_SUCCESS; - } - return EC_RES_INVALID_PARAM; -} - -enum ec_status charger_profile_override_set_param(uint32_t param, - uint32_t value) -{ - if (param == PARAM_FASTCHARGE) { - fast_charging_allowed = value; - return EC_RES_SUCCESS; - } - return EC_RES_INVALID_PARAM; -} - -#ifdef CONFIG_CMD_CHARGER_PROFILE_OVERRIDE -static int command_fastcharge(int argc, char **argv) -{ - if (argc > 1 && !parse_bool(argv[1], &fast_charging_allowed)) - return EC_ERROR_PARAM1; - - ccprintf("fastcharge %s\n", fast_charging_allowed ? "on" : "off"); - - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(fastcharge, command_fastcharge, - "[on|off]", - "Get or set fast charging profile"); -#endif - -/* - * Manipulate the temperature and voltage values and check if the correct - * fast charging profile is selected. - */ -#ifdef CONFIG_CMD_CHARGER_PROFILE_OVERRIDE_TEST -static int command_fastcharge_test(int argc, char **argv) -{ - char *e; - int test_on; - - if (argc > 1 && !parse_bool(argv[1], &test_on)) - return EC_ERROR_PARAM2; - - /* Check if only tuurn printf message on / off */ - if (argc == 2) { - fast_charge_test_on = test_on; - test_vtg_mV = -1; - - return EC_SUCCESS; - } - - /* Validate the input parameters */ - if ((test_on && argc != 6) || !test_on) - return EC_ERROR_PARAM_COUNT; - - test_flag_temp = strtoi(argv[2], &e, 0); - if (*e || test_flag_temp > 1 || test_flag_temp < 0) - return EC_ERROR_PARAM3; - - test_flag_vtg = strtoi(argv[3], &e, 0); - if (*e || test_flag_vtg > 1 || test_flag_vtg < 0) - return EC_ERROR_PARAM4; - - test_temp_c = strtoi(argv[4], &e, 0); - if (*e) - return EC_ERROR_PARAM5; - - test_vtg_mV = strtoi(argv[5], &e, 0); - if (*e || test_vtg_mV < 0) { - test_vtg_mV = -1; - return EC_ERROR_PARAM6; - } - - fast_charge_test_on = 1; - - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(fastchgtest, command_fastcharge_test, - "off | on tempflag[1|0] vtgflag[1|0] temp_c vtg_mV", - "Check if fastcharge profile works"); -#endif |