diff options
Diffstat (limited to 'board/big/battery.c')
| -rw-r--r-- | board/big/battery.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/board/big/battery.c b/board/big/battery.c deleted file mode 100644 index 761c0902b3..0000000000 --- a/board/big/battery.c +++ /dev/null @@ -1,216 +0,0 @@ -/* Copyright (c) 2013 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 "gpio.h" -#include "host_command.h" -#include "util.h" -#include "console.h" - -/* Console output macros */ -#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args) - -/* These 2 defines are for cut_off command for 3S battery */ -#define SB_SHIP_MODE_ADDR 0x3a -#define SB_SHIP_MODE_DATA 0xc574 - -static struct battery_info *battery_info; -static int support_cut_off; - -struct battery_device { - char manuf[9]; - char device[9]; - int design_mv; - struct battery_info *battery_info; - int support_cut_off; -}; - -/* - * Used for the case that battery cannot be detected, such as the pre-charge - * case. In this case, we need to provide the battery with the enough voltage - * (usually the highest voltage among batteries, but the smallest precharge - * current). This should be as conservative as possible. - */ -static struct battery_info info_precharge = { - - .voltage_max = 12900, /* the max voltage among batteries */ - .voltage_normal = 11400, - .voltage_min = 9000, - - /* Pre-charge values. */ - .precharge_current = 256, /* mA, the min current among batteries */ - - .start_charging_min_c = 0, - .start_charging_max_c = 50, - .charging_min_c = 0, - .charging_max_c = 60, - .discharging_min_c = 0, - .discharging_max_c = 75, -}; - -static struct battery_info info_2s = { - /* - * Design voltage - * max = 8.4V - * normal = 7.4V - * min = 6.0V - */ - .voltage_max = 8400, - .voltage_normal = 7400, - .voltage_min = 6000, - - /* Pre-charge current: I <= 0.01C */ - .precharge_current = 64, /* mA */ - - /* - * Operational temperature range - * 0 <= T_charge <= 50 deg C - * -20 <= T_discharge <= 60 deg C - */ - .start_charging_min_c = 0, - .start_charging_max_c = 50, - .charging_min_c = 0, - .charging_max_c = 50, - .discharging_min_c = -20, - .discharging_max_c = 60, -}; - -static struct battery_info info_3s = { - - .voltage_max = 12600, - .voltage_normal = 11100, /* Average of max & min */ - .voltage_min = 9000, - - /* Pre-charge values. */ - .precharge_current = 392, /* mA */ - - .start_charging_min_c = 0, - .start_charging_max_c = 60, - .charging_min_c = 0, - .charging_max_c = 60, - .discharging_min_c = 0, - .discharging_max_c = 50, -}; - -static struct battery_info info_3s_LGC = { - - .voltage_max = 12900, - .voltage_normal = 11400, /* Average of max & min */ - .voltage_min = 9000, - - /* Pre-charge values. */ - .precharge_current = 256, /* mA */ - - .start_charging_min_c = 0, - .start_charging_max_c = 50, - .charging_min_c = 0, - .charging_max_c = 60, - .discharging_min_c = 0, - .discharging_max_c = 75, -}; - -static struct battery_info info_4s_LGC = { - - .voltage_max = 17200, - .voltage_normal = 15200, /* Average of max & min */ - .voltage_min = 12000, - - /* Pre-charge values. */ - .precharge_current = 256, /* mA */ - - .start_charging_min_c = 0, - .start_charging_max_c = 50, - .charging_min_c = 0, - .charging_max_c = 60, - .discharging_min_c = 0, - .discharging_max_c = 75, -}; - -static struct battery_device support_batteries[] = { - { - .manuf = "NVT", - .device = "ARROW", - .design_mv = 7400, - .battery_info = &info_2s, - .support_cut_off = 0, - }, - { - .manuf = "SANYO", - .device = "AP13J3K", - .design_mv = 11250, - .battery_info = &info_3s, - .support_cut_off = 1, - }, - { - .manuf = "SONYCorp", - .device = "AP13J4K", - .design_mv = 11400, - .battery_info = &info_3s, - .support_cut_off = 1, - }, - { - .manuf = "LGC", - .device = "AC14B8K", - .design_mv = 15200, - .battery_info = &info_4s_LGC, - .support_cut_off = 1, - }, - { - .manuf = "LGC", - .device = "AC14B18J", - .design_mv = 11400, - .battery_info = &info_3s_LGC, - .support_cut_off = 1, - }, -}; - -const struct battery_info *battery_get_info(void) -{ - int i; - char manuf[9]; - char device[9]; - int design_mv; - - if (battery_manufacturer_name(manuf, sizeof(manuf))) { - CPRINTS("Failed to get MANUF name"); - return &info_precharge; - } - - if (battery_device_name(device, sizeof(device))) { - CPRINTS("Failed to get DEVICE name"); - return &info_precharge; - } - if (battery_design_voltage((int *)&design_mv)) { - CPRINTS("Failed to get DESIGN_VOLTAGE"); - return &info_precharge; - } - - for (i = 0; i < ARRAY_SIZE(support_batteries); ++i) { - if ((strcasecmp(support_batteries[i].manuf, manuf) == 0) && - (strcasecmp(support_batteries[i].device, device) == 0) && - (support_batteries[i].design_mv == design_mv)) { - CPRINTS("battery Manuf:%s, Device=%s, design=%u", - manuf, device, design_mv); - support_cut_off = support_batteries[i].support_cut_off; - battery_info = support_batteries[i].battery_info; - return battery_info; - } - } - - CPRINTS("un-recognized battery Manuf:%s, Device:%s", - manuf, device); - return &info_precharge; -} - -int board_cut_off_battery(void) -{ - if (support_cut_off) - return sb_write(SB_SHIP_MODE_ADDR, SB_SHIP_MODE_DATA); - else - return EC_RES_INVALID_COMMAND; -} |