/* 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 "util.h" /* Shutdown mode parameter to write to manufacturer access register */ #define SB_SHIP_MODE_REG 0x3a #define SB_SHUTDOWN_DATA 0xC574 static const struct battery_info info = { .voltage_max = 8800, .voltage_normal = 7600, .voltage_min = 6000, /* Pre-charge values. */ .precharge_current = 256, /* mA */ .start_charging_min_c = 0, .start_charging_max_c = 50, .charging_min_c = 0, .charging_max_c = 50, .discharging_min_c = 0, .discharging_max_c = 60, }; 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_SHIP_MODE_REG, SB_SHUTDOWN_DATA); if (rv != EC_SUCCESS) return rv; return sb_write(SB_SHIP_MODE_REG, SB_SHUTDOWN_DATA); }