diff options
Diffstat (limited to 'board/kevin/battery.c')
| -rw-r--r-- | board/kevin/battery.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/board/kevin/battery.c b/board/kevin/battery.c deleted file mode 100644 index 019dad2f3c..0000000000 --- a/board/kevin/battery.c +++ /dev/null @@ -1,152 +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. - * - * Battery pack vendor provided charging profile - */ - -#include "battery.h" -#include "battery_smart.h" -#include "charge_state.h" -#include "console.h" -#include "ec_commands.h" -#include "extpower.h" -#include "util.h" - -/* Shutdown mode parameter to write to manufacturer access register */ -#define SB_SHUTDOWN_DATA 0x0010 - -#ifdef BOARD_KEVIN -static const struct battery_info info = { - .voltage_max = 8688, /* 8700mA, round down for chg reg */ - .voltage_normal = 7600, - .voltage_min = 6000, - .precharge_current = 200, - .start_charging_min_c = 0, - .start_charging_max_c = 45, - .charging_min_c = 0, - .charging_max_c = 60, - .discharging_min_c = -20, - .discharging_max_c = 70, -}; -#elif defined(BOARD_GRU) -static const struct battery_info info = { - .voltage_max = 8688, /* 8700mA, round down for chg reg */ - .voltage_normal = 7600, - .voltage_min = 5800, - .precharge_current = 256, - .start_charging_min_c = 0, - .start_charging_max_c = 50, - .charging_min_c = 0, - .charging_max_c = 50, - .discharging_min_c = -20, - .discharging_max_c = 60, -}; -#endif - -const struct battery_info *battery_get_info(void) -{ - return &info; -} - -int board_cut_off_battery(void) -{ - int rv; - - /* Ship mode command must be sent twice to take effect */ - rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); - if (rv != EC_SUCCESS) - return EC_RES_ERROR; - - rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); - return rv ? EC_RES_ERROR : EC_RES_SUCCESS; -} - -enum battery_disconnect_state battery_get_disconnect_state(void) -{ - uint8_t data[6]; - int rv; - - /* - * Take note if we find that the battery isn't in disconnect state, - * and always return NOT_DISCONNECTED without probing the battery. - * This assumes the battery will not go to disconnect state during - * runtime. - */ - static int not_disconnected; - - if (not_disconnected) - return BATTERY_NOT_DISCONNECTED; - - if (extpower_is_present()) { - /* Check if battery charging + discharging is disabled. */ - rv = sb_read_mfgacc(PARAM_OPERATION_STATUS, - SB_ALT_MANUFACTURER_ACCESS, data, sizeof(data)); - if (rv) - return BATTERY_DISCONNECT_ERROR; - if (~data[3] & (BATTERY_DISCHARGING_DISABLED | - BATTERY_CHARGING_DISABLED)) { - not_disconnected = 1; - return BATTERY_NOT_DISCONNECTED; - } - - /* - * Battery is neither charging nor discharging. Verify that - * we didn't enter this state due to a safety fault. - */ - rv = sb_read_mfgacc(PARAM_SAFETY_STATUS, - SB_ALT_MANUFACTURER_ACCESS, data, sizeof(data)); - if (rv || data[2] || data[3] || data[4] || data[5]) - return BATTERY_DISCONNECT_ERROR; - - /* No safety fault, battery is disconnected */ - return BATTERY_DISCONNECTED; - } - not_disconnected = 1; - return BATTERY_NOT_DISCONNECTED; -} - -int charger_profile_override(struct charge_state_data *curr) -{ - const struct battery_info *batt_info = battery_get_info(); - int now_discharging; - - /* battery temp in 0.1 deg C */ - int bat_temp_c = curr->batt.temperature - 2731; - - if (curr->state == ST_CHARGE) { - /* Don't charge if outside of allowable temperature range */ - if (bat_temp_c >= batt_info->charging_max_c * 10 || - bat_temp_c < batt_info->charging_min_c * 10) { - curr->requested_current = curr->requested_voltage = 0; - curr->batt.flags &= ~BATT_FLAG_WANT_CHARGE; - curr->state = ST_IDLE; - now_discharging = 0; - /* Don't start charging if battery is nearly full */ - } else if (curr->batt.status & STATUS_FULLY_CHARGED) { - curr->requested_current = curr->requested_voltage = 0; - curr->batt.flags &= ~BATT_FLAG_WANT_CHARGE; - curr->state = ST_DISCHARGE; - now_discharging = 1; - } else - now_discharging = 0; - charger_discharge_on_ac(now_discharging); - } - - 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) -{ - return EC_RES_INVALID_PARAM; -} - -enum ec_status charger_profile_override_set_param(uint32_t param, - uint32_t value) -{ - return EC_RES_INVALID_PARAM; -} |