1 files changed, 0 insertions, 394 deletions
diff --git a/driver/charger/bq2589x.c b/driver/charger/bq2589x.c
deleted file mode 100644
index 966a0d0016..0000000000
--- a/driver/charger/bq2589x.c
+++ /dev/null
@@ -1,394 +0,0 @@
-/* Copyright 2015 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.
- *
- * TI bq25890/bq25892/bq25895 battery charger driver.
- */
-
-#include "config.h"
-#include "bq2589x.h"
-#include "charger.h"
-#include "common.h"
-#include "console.h"
-#include "hooks.h"
-#include "i2c.h"
-#include "printf.h"
-#include "util.h"
-
-/* Console output macros */
-#define CPUTS(outstr) cputs(CC_CHARGER, outstr)
-#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ## args)
-
-/* 5V Boost settings */
-#ifndef CONFIG_CHARGER_BQ2589X_BOOST
-#define CONFIG_CHARGER_BQ2589X_BOOST BQ2589X_BOOST_DEFAULT
-#endif
-
-/* IR compensation settings */
-#ifndef CONFIG_CHARGER_BQ2589X_IR_COMP
-#define CONFIG_CHARGER_BQ2589X_IR_COMP BQ2589X_IR_COMP_DEFAULT
-#endif
-
-/* Termination current limit setting */
-#ifndef CONFIG_CHARGER_TERM_CURRENT_LIMIT
-#define CONFIG_CHARGER_TERM_CURRENT_LIMIT BQ2589X_TERM_CURRENT_LIMIT_DEFAULT
-#endif
-
-/* Charger information */
-static const struct charger_info bq2589x_charger_info = {
-	.name         = "bq2589x",
-	.voltage_max  = 4608,
-	.voltage_min  = 3840,
-	.voltage_step = 16,
-	.current_max  = 5056,
-	.current_min  = 0,
-	.current_step = 64,
-	.input_current_max  = 3250,
-	.input_current_min  = 100,
-	.input_current_step = 50,
-};
-
-static int bq2589x_read(int reg, int *value)
-{
-	return i2c_read8(I2C_PORT_CHARGER, BQ2589X_ADDR, reg, value);
-}
-
-static int bq2589x_write(int reg, int value)
-{
-	return i2c_write8(I2C_PORT_CHARGER, BQ2589X_ADDR, reg, value);
-}
-
-static int bq2589x_watchdog_reset(void)
-{
-	int rv, val;
-
-	rv = bq2589x_read(BQ2589X_REG_CFG2, &val);
-	if (rv)
-		return rv;
-	val |= BQ2589X_CFG2_WD_RST;
-	return bq2589x_write(BQ2589X_REG_CFG2, val);
-}
-
-static int bq2589x_set_terminate_current(int current)
-{
-	int reg_val, rv;
-	int val = (current - 64) / 64;
-
-	rv = bq2589x_read(BQ2589X_REG_PRE_CHG_CURR, &reg_val);
-	if (rv)
-		return rv;
-	reg_val = (reg_val & ~0xf) | (val & 0xf);
-	return bq2589x_write(BQ2589X_REG_PRE_CHG_CURR, reg_val);
-}
-
-#ifdef CONFIG_CHARGER_OTG
-int charger_enable_otg_power(int enabled)
-{
-	int val, rv;
-
-	rv = bq2589x_read(BQ2589X_REG_CFG2, &val);
-	if (rv)
-		return rv;
-	val = (val & ~(BQ2589X_CFG2_CHG_CONFIG | BQ2589X_CFG2_OTG_CONFIG))
-	    | (enabled ? BQ2589X_CFG2_OTG_CONFIG : BQ2589X_CFG2_CHG_CONFIG);
-	return bq2589x_write(BQ2589X_REG_CFG2, val);
-}
-#endif
-
-int charger_set_input_current(int input_current)
-{
-	int value, rv;
-	const struct charger_info * const info = charger_get_info();
-
-	input_current -= info->input_current_min;
-	if (input_current < 0)
-		input_current = 0;
-
-	rv = bq2589x_read(BQ2589X_REG_INPUT_CURR, &value);
-	if (rv)
-		return rv;
-	value = value & ~(0x3f);
-	value |= (input_current / info->input_current_step) & 0x3f;
-	return bq2589x_write(BQ2589X_REG_INPUT_CURR, value);
-}
-
-int charger_get_input_current(int *input_current)
-{
-	int rv, value;
-	const struct charger_info * const info = charger_get_info();
-
-	rv = bq2589x_read(BQ2589X_REG_INPUT_CURR, &value);
-	if (rv)
-		return rv;
-
-	*input_current = (value & 0x3f) * info->input_current_step
-			+ info->input_current_min;
-
-	return EC_SUCCESS;
-}
-
-int charger_manufacturer_id(int *id)
-{
-	return EC_ERROR_UNIMPLEMENTED;
-}
-
-int charger_device_id(int *id)
-{
-	int res = bq2589x_read(BQ2589X_REG_ID, id);
-
-	if (res == EC_SUCCESS)
-		*id &= BQ2589X_DEVICE_ID_MASK;
-
-	return res;
-}
-
-int charger_get_option(int *option)
-{
-	/* Ignored: does not exist */
-	*option = 0;
-	return EC_SUCCESS;
-}
-
-int charger_set_option(int option)
-{
-	/* Ignored: does not exist */
-	return EC_SUCCESS;
-}
-
-const struct charger_info *charger_get_info(void)
-{
-	return &bq2589x_charger_info;
-}
-
-int charger_get_status(int *status)
-{
-	/* TODO(crosbug.com/p/38603) implement using REG0C value */
-	*status = 0;
-	return EC_SUCCESS;
-}
-
-int charger_set_mode(int mode)
-{
-	return EC_SUCCESS;
-}
-
-int charger_get_current(int *current)
-{
-	int rv, val;
-	const struct charger_info * const info = charger_get_info();
-
-	rv = bq2589x_read(BQ2589X_REG_CHG_CURR, &val);
-	if (rv)
-		return rv;
-	*current = val * info->current_step + info->current_min;
-	return EC_SUCCESS;
-}
-
-int charger_set_current(int current)
-{
-	const struct charger_info * const info = charger_get_info();
-
-	current = charger_closest_current(current);
-
-	return bq2589x_write(BQ2589X_REG_CHG_CURR,
-			     current / info->current_step);
-}
-
-int charger_get_voltage(int *voltage)
-{
-	int rv, val;
-	const struct charger_info * const info = charger_get_info();
-
-	rv = bq2589x_read(BQ2589X_REG_CHG_VOLT, &val);
-	if (rv)
-		return rv;
-	val = (val >> 2) & 0x3f;
-	*voltage = val * info->voltage_step + info->voltage_min;
-	return EC_SUCCESS;
-}
-
-int charger_set_voltage(int voltage)
-{
-	int rv, val;
-	const struct charger_info * const info = charger_get_info();
-
-	voltage = charger_closest_voltage(voltage);
-
-	rv = bq2589x_read(BQ2589X_REG_CHG_VOLT, &val);
-	if (rv)
-		return rv;
-	val = val & 0x3;
-	val |= ((voltage - info->voltage_min) / info->voltage_step) << 2;
-	return bq2589x_write(BQ2589X_REG_CHG_VOLT, val);
-}
-
-int charger_discharge_on_ac(int enable)
-{
-	int rv, val;
-
-	rv = bq2589x_read(BQ2589X_REG_INPUT_CURR, &val);
-	if (rv)
-		return rv;
-
-	if (enable)
-		val |= BQ2589X_INPUT_CURR_EN_HIZ;
-	else
-		val &= ~BQ2589X_INPUT_CURR_EN_HIZ;
-
-	return bq2589x_write(BQ2589X_REG_INPUT_CURR, val);
-}
-
-/* Charging power state initialization */
-int charger_post_init(void)
-{
-#ifdef CONFIG_CHARGER_ILIM_PIN_DISABLED
-	int val, rv;
-	/* Ignore ILIM pin value */
-	rv = bq2589x_read(BQ2589X_REG_INPUT_CURR, &val);
-	if (rv)
-		return rv;
-	val &= ~BQ2589X_INPUT_CURR_EN_ILIM;
-	rv = bq2589x_write(BQ2589X_REG_INPUT_CURR, val);
-	if (rv)
-		return rv;
-#endif /* CONFIG_CHARGER_ILIM_PIN_DISABLED */
-
-	/* Input current controlled by extpower module. Do nothing here. */
-	return EC_SUCCESS;
-}
-
-/*****************************************************************************/
-/* Hardware current ramping (aka ICO: Input Current Optimizer) */
-
-#ifdef CONFIG_CHARGE_RAMP_HW
-int charger_set_hw_ramp(int enable)
-{
-	int val, rv;
-
-	rv = i2c_read8(I2C_PORT_CHARGER, BQ2589X_ADDR, BQ2589X_REG_CFG1, &val);
-	if (rv)
-		return rv;
-
-	if (enable)
-		val |= BQ2589X_CFG1_ICO_EN;
-	else
-		val &= ~BQ2589X_CFG1_ICO_EN;
-
-	return i2c_write8(I2C_PORT_CHARGER, BQ2589X_ADDR, BQ2589X_REG_CFG1,
-			  val);
-}
-
-int chg_ramp_is_stable(void)
-{
-	int val, rv;
-
-	rv = bq2589x_read(BQ2589X_REG_ID, &val);
-	if (!rv && (val & BQ2589X_ID_ICO_OPTIMIZED))
-		return 1;
-	else
-		return 0;
-}
-
-int chg_ramp_is_detected(void)
-{
-	return 1;
-}
-
-int chg_ramp_get_current_limit(void)
-{
-	int input_ma, rv;
-
-	rv = bq2589x_read(BQ2589X_REG_ADC_INPUT_CURR, &input_ma);
-
-	return rv ? -1 : 100 + (input_ma & 0x3f) * 50;
-}
-#endif /* CONFIG_CHARGE_RAMP_HW */
-
-/*****************************************************************************/
-/* Hooks */
-
-static void bq2589x_init(void)
-{
-	int val;
-
-	if (charger_device_id(&val) || val != BQ2589X_DEVICE_ID) {
-		CPRINTF("BQ2589X incorrent ID: 0x%02x\n", val);
-		return;
-	}
-
-	/*
-	 * Disable I2C watchdog timer.
-	 *
-	 * TODO(crosbug.com/p/38603): Re-enable watchdog timer and kick it
-	 * periodically in charger task.
-	 */
-	if (bq2589x_read(BQ2589X_REG_TIMER, &val))
-		return;
-	val &= ~0x30;
-	if (bq2589x_write(BQ2589X_REG_TIMER, val))
-		return;
-
-	if (bq2589x_set_terminate_current(CONFIG_CHARGER_TERM_CURRENT_LIMIT))
-		return;
-
-	if (bq2589x_watchdog_reset())
-		return;
-
-	if (bq2589x_write(BQ2589X_REG_IR_COMP, CONFIG_CHARGER_BQ2589X_IR_COMP))
-		return;
-
-	if (bq2589x_write(BQ2589X_REG_BOOST_MODE, CONFIG_CHARGER_BQ2589X_BOOST))
-		return;
-
-	CPRINTF("BQ2589%c initialized\n",
-		BQ2589X_DEVICE_ID == BQ25890_DEVICE_ID ? '0' :
-		(BQ2589X_DEVICE_ID == BQ25895_DEVICE_ID ? '5' : '2'));
-}
-DECLARE_HOOK(HOOK_INIT, bq2589x_init, HOOK_PRIO_LAST);
-
-/*****************************************************************************/
-/* Console commands */
-#ifdef CONFIG_CMD_CHARGER
-static int command_bq2589x(int argc, char **argv)
-{
-	int i;
-	int value;
-	int rv;
-	int batt_mv, sys_mv, vbus_mv, chg_ma, input_ma;
-
-	/* Trigger one ADC conversion */
-	bq2589x_read(BQ2589X_REG_CFG1, &value);
-	bq2589x_write(BQ2589X_REG_CFG1, value | BQ2589X_CFG1_CONV_START);
-	do {
-		bq2589x_read(BQ2589X_REG_CFG1, &value);
-	} while (value & BQ2589X_CFG1_CONV_START); /* Wait for End of Conv. */
-
-	bq2589x_read(BQ2589X_REG_ADC_BATT_VOLT, &batt_mv);
-	bq2589x_read(BQ2589X_REG_ADC_SYS_VOLT, &sys_mv);
-	bq2589x_read(BQ2589X_REG_ADC_VBUS_VOLT, &vbus_mv);
-	bq2589x_read(BQ2589X_REG_ADC_CHG_CURR, &chg_ma);
-	bq2589x_read(BQ2589X_REG_ADC_INPUT_CURR, &input_ma);
-	ccprintf("ADC Batt %dmV Sys %dmV VBUS %dmV Chg %dmA Input %dmA\n",
-		2304 + (batt_mv & 0x7f) * 20, 2304 + sys_mv * 20,
-		2600 + (vbus_mv & 0x7f) * 100,
-		chg_ma * 50, 100 + (input_ma & 0x3f) * 50);
-
-	ccprintf("REG:");
-	for (i = 0; i <= 0x14; ++i)
-		ccprintf(" %02x", i);
-	ccprintf("\n");
-
-	ccprintf("VAL:");
-	for (i = 0; i <= 0x14; ++i) {
-		rv = bq2589x_read(i, &value);
-		if (rv)
-			return rv;
-		ccprintf(" %02x", value);
-	}
-	ccprintf("\n");
-
-	return EC_SUCCESS;
-}
-DECLARE_CONSOLE_COMMAND(bq2589x, command_bq2589x,
-			NULL, NULL);
-#endif