/* Copyright (c) 2012 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 "console.h" #include "gpio.h" #include "host_command.h" #include "util.h" /* Shutdown mode parameter to write to manufacturer access register */ #define SB_SHUTDOWN_DATA 0x0010 static const struct battery_info info = { .voltage_max = 8400, /* mV */ .voltage_normal = 7400, .voltage_min = 6000, .precharge_current = 256, /* mA */ .start_charging_min_c = 0, .start_charging_max_c = 45, .charging_min_c = 0, .charging_max_c = 45, .discharging_min_c = 0, .discharging_max_c = 60, }; const struct battery_info *battery_get_info(void) { return &info; } static int cutoff(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 rv; return sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); } int board_cut_off_battery(void) { return cutoff(); }