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Diffstat (limited to 'board/shuboz/battery.c')
| -rw-r--r-- | board/shuboz/battery.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/board/shuboz/battery.c b/board/shuboz/battery.c deleted file mode 100644 index 155cadab41..0000000000 --- a/board/shuboz/battery.c +++ /dev/null @@ -1,154 +0,0 @@ -/* Copyright 2020 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_fuel_gauge.h" -#include "battery_smart.h" -#include "charge_state.h" -#include "common.h" -#include "hooks.h" -#include "temp_sensor.h" -#include "thermal.h" -#include "util.h" - -/* - * Battery info for all Zork battery types. Note that the fields - * start_charging_min/max and charging_min/max are not used for the charger. - * The effective temperature limits are given by discharging_min/max_c. - * - * Fuel Gauge (FG) parameters which are used for determining if the battery - * is connected, the appropriate ship mode (battery cutoff) command, and the - * charge/discharge FETs status. - * - * Ship mode (battery cutoff) requires 2 writes to the appropriate smart battery - * register. For some batteries, the charge/discharge FET bits are set when - * charging/discharging is active, in other types, these bits set mean that - * charging/discharging is disabled. Therefore, in addition to the mask for - * these bits, a disconnect value must be specified. Note that for TI fuel - * gauge, the charge/discharge FET status is found in Operation Status (0x54), - * but a read of Manufacturer Access (0x00) will return the lower 16 bits of - * Operation status which contains the FET status bits. - * - * The assumption for battery types supported is that the charge/discharge FET - * status can be read with a sb_read() command and therefore, only the register - * address, mask, and disconnect value need to be provided. - */ -const struct board_batt_params board_battery_info[] = { - /* CM1500 50Wh */ - [BATTERY_CM1500] = { - .fuel_gauge = { - .manuf_name = "AS3GXXD3KB", - .device_name = "C140243", - .ship_mode = { - .reg_addr = 0x00, - .reg_data = { 0x0010, 0x0010 }, - }, - .fet = { - .reg_addr = 0x99, - .reg_mask = 0x000c, - .disconnect_val = 0x000c, - } - }, - .batt_info = { - .voltage_max = 13200, /* mV */ - .voltage_normal = 11880, /* mV */ - .voltage_min = 9000, /* mV */ - .precharge_current = 256, /* mA */ - .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 = 60, - }, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT); - -const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_CM1500; - -static uint16_t current_table[] = { - 2200, - 1800, - 1700, - 1600, -}; -#define NUM_CURRENT_LEVELS ARRAY_SIZE(current_table) - -#define TEMP_THRESHOLD 54 -static int current_level; - -/* Called by hook task every hook second (1 sec) */ -static void current_update(void) -{ - int t, temp; - int rv; - static int Uptime; - static int Dntime; - - rv = temp_sensor_read(TEMP_SENSOR_CHARGER, &t); - if (rv != EC_SUCCESS) - return; - - temp = K_TO_C(t); - - if (temp > TEMP_THRESHOLD) { - Dntime = 0; - if (Uptime < 5) - Uptime++; - else { - Uptime = 0; - current_level++; - } - } else if (current_level != 0 && temp < TEMP_THRESHOLD) { - Uptime = 0; - if (Dntime < 5) - Dntime++; - else { - Dntime = 0; - current_level--; - } - } else { - Uptime = 0; - Dntime = 0; - } - - if (current_level < 0) - current_level = 0; - else if (current_level > NUM_CURRENT_LEVELS) - current_level = NUM_CURRENT_LEVELS; -} -DECLARE_HOOK(HOOK_SECOND, current_update, HOOK_PRIO_DEFAULT); - -int charger_profile_override(struct charge_state_data *curr) -{ - /* - * Precharge must be executed when communication is failed on - * dead battery. - */ - if (!(curr->batt.flags & BATT_FLAG_RESPONSIVE)) - return 0; - - if (current_level != 0) { - if (curr->requested_current > current_table[current_level-1]) - curr->requested_current = - current_table[current_level - 1]; - } - - return 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; -} |