diff options
Diffstat (limited to 'board/sentry/battery.c')
-rw-r--r-- | board/sentry/battery.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/board/sentry/battery.c b/board/sentry/battery.c new file mode 100644 index 0000000000..d651279268 --- /dev/null +++ b/board/sentry/battery.c @@ -0,0 +1,44 @@ +/* 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_SHUTDOWN_DATA 0x0010 + +static const struct battery_info info = { + .voltage_max = 13050,/* mV */ + .voltage_normal = 11400, + .voltage_min = 9000, + .precharge_current = 150,/* mA */ + .start_charging_min_c = 0, + .start_charging_max_c = 45, + .charging_min_c = 0, + .charging_max_c = 45, + .discharging_min_c = -20, + .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_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); + + if (rv != EC_SUCCESS) + return rv; + + return sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); +} |