| /* 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. |
| * |
| * Smart battery driver. |
| */ |
| |
| #include "battery.h" |
| #include "battery_smart.h" |
| #include "common.h" |
| #include "console.h" |
| #include "test_util.h" |
| #include "util.h" |
| |
| static uint16_t mock_smart_battery[SB_MANUFACTURER_DATA + 1]; |
| |
| int sb_i2c_read16(int port, int slave_addr, int offset, int *data) |
| { |
| if (port != I2C_PORT_BATTERY || slave_addr != BATTERY_ADDR) |
| return EC_ERROR_INVAL; |
| if (offset >= ARRAY_SIZE(mock_smart_battery)) |
| return EC_ERROR_UNIMPLEMENTED; |
| if (offset < 0 || data == NULL) |
| return EC_ERROR_INVAL; |
| *data = mock_smart_battery[offset]; |
| return EC_SUCCESS; |
| } |
| DECLARE_TEST_I2C_READ16(sb_i2c_read16); |
| |
| int sb_i2c_write16(int port, int slave_addr, int offset, int data) |
| { |
| if (port != I2C_PORT_BATTERY || slave_addr != BATTERY_ADDR) |
| return EC_ERROR_INVAL; |
| if (offset >= ARRAY_SIZE(mock_smart_battery)) |
| return EC_ERROR_UNIMPLEMENTED; |
| if (offset < 0) |
| return EC_ERROR_INVAL; |
| mock_smart_battery[offset] = data; |
| return EC_SUCCESS; |
| } |
| DECLARE_TEST_I2C_WRITE16(sb_i2c_write16); |
| |
| int sb_i2c_read_string(int port, int slave_addr, int offset, uint8_t *data, |
| int len) |
| { |
| return EC_SUCCESS; |
| } |
| DECLARE_TEST_I2C_READ_STRING(sb_i2c_read_string); |
| |
| int battery_time_at_rate(int rate, int *minutes) |
| { |
| return EC_SUCCESS; |
| } |
| |
| static const struct battery_info bat_info = { |
| /* |
| * 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, |
| }; |
| |
| const struct battery_info *battery_get_info(void) |
| { |
| return &bat_info; |
| } |