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| author | Rong Chang <rongchang@google.com> | 2012-02-06 20:51:48 -0800 |
|---|---|---|
| committer | Rong Chang <rongchang@google.com> | 2012-02-07 12:54:28 -0800 |
| commit | 812b3f8cb692ae5f9c616f570e5973e9c66eddcb (patch) | |
| tree | a816e0ea5552b3b8c17bd6adbba0753a9a7cb8b1 /board/bds | |
| parent | d3e1de758cfa3a7dd990f0fb63eddbb1ae870418 (diff) | |
| download | chrome-ec-812b3f8cb692ae5f9c616f570e5973e9c66eddcb.tar.gz | |
Initial bq24725 charger driver import
Battery charging state machine contains many file changes.
This is the 1st part of the break down. Refactor original
test code into board dummy driver. Normalize charger API.
And import link's charger IC driver.
Signed-off-by: Rong Chang <rongchang@google.com>
BUG=chrome-os-partner:7855
TEST=build without warning and error
BOARD=bds make
BOARD=link make
BOARD=discovery make
Change-Id: I34b6e9862a45331378916bc77653d4adb22ca548
Diffstat (limited to 'board/bds')
| -rw-r--r-- | board/bds/build.mk | 5 | ||||
| -rw-r--r-- | board/bds/dummy_charger.c | 88 |
2 files changed, 93 insertions, 0 deletions
diff --git a/board/bds/build.mk b/board/bds/build.mk index c3fae48c4b..73f193751f 100644 --- a/board/bds/build.mk +++ b/board/bds/build.mk @@ -1,8 +1,13 @@ +# 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. # # Board specific files build +# # the IC is TI Stellaris LM4 CHIP:=lm4 board-y=board.o +board-$(CONFIG_CHARGER)+=dummy_charger.o board-$(CONFIG_TEMP_SENSOR)+=board_temp_sensor.o diff --git a/board/bds/dummy_charger.c b/board/bds/dummy_charger.c new file mode 100644 index 0000000000..c4ee308e1c --- /dev/null +++ b/board/bds/dummy_charger.c @@ -0,0 +1,88 @@ +/* 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. + */ + +#include "board.h" +#include "charger.h" +#include "console.h" +#include "i2c.h" +#include "uart.h" +#include "util.h" + +/* Address of battery charger */ +#define CHARGER_ADDR 0x12 + +/* Address of battery */ +#define BATTERY_ADDR 0x16 + +int charger_init(void) +{ + return EC_SUCCESS; +} + +/*****************************************************************************/ +/* Console commands */ + +static int command_charger(int argc, char **argv) +{ + int rv; + int d; + + uart_puts("Reading battery charger...\n"); + + rv = i2c_read16(I2C_PORT_CHARGER, CHARGER_ADDR, 0xfe, &d); + if (rv) + return rv; + uart_printf(" Manufacturer ID: 0x%04x\n", d); + + rv = i2c_read16(I2C_PORT_CHARGER, CHARGER_ADDR, 0xff, &d); + uart_printf(" Device ID: 0x%04x\n", d); + + rv = i2c_read16(I2C_PORT_CHARGER, CHARGER_ADDR, 0x12, &d); + uart_printf(" Option: 0x%04x\n", d); + + rv = i2c_read16(I2C_PORT_CHARGER, CHARGER_ADDR, 0x14, &d); + uart_printf(" Charge current: 0x%04x\n", d); + + rv = i2c_read16(I2C_PORT_CHARGER, CHARGER_ADDR, 0x15, &d); + uart_printf(" Charge voltage: 0x%04x\n", d); + + rv = i2c_read16(I2C_PORT_CHARGER, CHARGER_ADDR, 0x3f, &d); + uart_printf(" Input current: 0x%04x\n", d); + + return EC_SUCCESS; +} +DECLARE_CONSOLE_COMMAND(charger, command_charger); + +static int command_battery(int argc, char **argv) +{ + int rv; + int d; + + uart_puts("Reading battery...\n"); + + rv = i2c_read16(I2C_PORT_BATTERY, BATTERY_ADDR, 0x08, &d); + if (rv) + return rv; + uart_printf(" Temperature: 0x%04x = %d C\n", + d, (d-2731)/10); + + rv = i2c_read16(I2C_PORT_BATTERY, BATTERY_ADDR, 0x09, &d); + uart_printf(" Voltage: 0x%04x = %d mV\n", d, d); + + rv = i2c_read16(I2C_PORT_BATTERY, BATTERY_ADDR, 0x0f, &d); + uart_printf(" Remaining capacity: 0x%04x = %d mAh\n", d, d); + rv = i2c_read16(I2C_PORT_BATTERY, BATTERY_ADDR, 0x10, &d); + uart_printf(" Full charge capacity: 0x%04x = %d mAh\n", d, d); + + rv = i2c_read16(I2C_PORT_BATTERY, BATTERY_ADDR, 0x14, &d); + uart_printf(" Desired charge current: 0x%04x = %d mA\n", d, d); + rv = i2c_read16(I2C_PORT_BATTERY, BATTERY_ADDR, 0x15, &d); + uart_printf(" Desired charge voltage: 0x%04x = %d mV\n", d, d); + + + return EC_SUCCESS; +} +DECLARE_CONSOLE_COMMAND(battery, command_battery); + |