diff options
Diffstat (limited to 'board/bugzzy/battery.c')
| -rw-r--r-- | board/bugzzy/battery.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/board/bugzzy/battery.c b/board/bugzzy/battery.c deleted file mode 100644 index 55932feccf..0000000000 --- a/board/bugzzy/battery.c +++ /dev/null @@ -1,108 +0,0 @@ -/* Copyright 2021 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 "charge_state.h" -#include "common.h" -#include "hooks.h" -#include "usb_pd.h" -#include "util.h" - -/* - * Battery info for all bugzzy 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. - * - * Battery FET Status in Manufacture Access : bit15 & bit14 - * b'00 - dfet : on / cfet : on - * b'01 - dfet : on / cfet : off - * b'10 - dfet : off / cfet : off - * b'11 - dfet : off / cfet : on - * The value b'10 is disconnect_val, so we can use b'01 for cfet_off_val - */ - -const struct board_batt_params board_battery_info[] = { - /* SDI Battery Information */ - [BATTERY_SDI] = { - .fuel_gauge = { - .manuf_name = "SDI", - .device_name = "4404D57", - .ship_mode = { - .reg_addr = 0x00, - .reg_data = { 0x0010, 0x0010 }, - }, - .fet = { - .mfgacc_support = 0, - .reg_addr = 0x00, - .reg_mask = 0xc000, - .disconnect_val = 0x8000, - .cfet_mask = 0xc000, - .cfet_off_val = 0x4000, - } - }, - .batt_info = { - .voltage_max = 8700, - .voltage_normal = 7700, /* mV */ - .voltage_min = 6000, /* mV */ - .precharge_current = 200, /* mA */ - .start_charging_min_c = 0, - .start_charging_max_c = 45, - .charging_min_c = 0, - .charging_max_c = 55, - .discharging_min_c = -20, - .discharging_max_c = 70, - }, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT); - -const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_SDI; - -/* Lower our input voltage to 5V in S0iX when battery is full. */ -#define PD_VOLTAGE_WHEN_FULL 5000 -static void reduce_input_voltage_when_full(void) -{ - static int saved_input_voltage = -1; - int max_pd_voltage_mv = pd_get_max_voltage(); - int port; - - if (charge_get_percent() == 100 && - chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) { - if (max_pd_voltage_mv != PD_VOLTAGE_WHEN_FULL) { - saved_input_voltage = max_pd_voltage_mv; - max_pd_voltage_mv = PD_VOLTAGE_WHEN_FULL; - } - } else if (saved_input_voltage != -1) { - if (max_pd_voltage_mv == PD_VOLTAGE_WHEN_FULL) - max_pd_voltage_mv = saved_input_voltage; - saved_input_voltage = -1; - } - - if (pd_get_max_voltage() != max_pd_voltage_mv) { - for (port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; port++) - pd_set_external_voltage_limit(port, max_pd_voltage_mv); - } -} -DECLARE_HOOK(HOOK_SECOND, reduce_input_voltage_when_full, - HOOK_PRIO_DEFAULT); |