/* Copyright 2018 The ChromiumOS Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 *
 * TI LM3630A LED driver.
 */

#ifndef __CROS_EC_LM3630A_H
#define __CROS_EC_LM3630A_H

#define LM3630A_REG_CONTROL 0x00
#define LM3630A_REG_CONFIG 0x01
#define LM3630A_REG_BOOST_CONTROL 0x02
#define LM3630A_REG_A_BRIGHTNESS 0x03
#define LM3630A_REG_B_BRIGHTNESS 0x04
#define LM3630A_REG_A_CURRENT 0x05
#define LM3630A_REG_B_CURRENT 0x06
#define LM3630A_REG_ONOFF_RAMP 0x07
#define LM3630A_REG_RUN_RAMP 0x08
#define LM3630A_REG_INT_STATUS 0x09
#define LM3630A_REG_INT_ENABLE 0x0a
#define LM3630A_REG_FAULT_STATUS 0x0b
#define LM3630A_REG_SW_RESET 0x0f
#define LM3630A_REG_PWM_OUT_LOW 0x12
#define LM3630A_REG_PWM_OUT_HIGH 0x13
#define LM3630A_REG_REVISION 0x1f
#define LM3630A_REG_FILTER_STRENGTH 0x50

/* Control register bits */
#define LM3630A_CTRL_BIT_SLEEP_CMD BIT(7)
#define LM3630A_CTRL_BIT_SLEEP_STAT BIT(6)
#define LM3630A_CTRL_BIT_LINEAR_A BIT(4)
#define LM3630A_CTRL_BIT_LINEAR_B BIT(3)
#define LM3630A_CTRL_BIT_LED_EN_A BIT(2)
#define LM3630A_CTRL_BIT_LED_EN_B BIT(1)
#define LM3630A_CTRL_BIT_LED2_ON_A BIT(0)

/* Config register bits */
#define LM3630A_CFG_BIT_FB_EN_B BIT(4)
#define LM3630A_CFG_BIT_FB_EN_A BIT(3)
#define LM3630A_CFG_BIT_PWM_LOW BIT(2)
#define LM3630A_CFG_BIT_PWM_EN_B BIT(1)
#define LM3630A_CFG_BIT_PWM_EN_A BIT(0)

/* Boost control register bits */
#define LM3630A_BOOST_OVP_16V (0 << 5)
#define LM3630A_BOOST_OVP_24V BIT(5)
#define LM3630A_BOOST_OVP_32V (2 << 5)
#define LM3630A_BOOST_OVP_40V (3 << 5)
#define LM3630A_BOOST_OCP_600MA (0 << 3)
#define LM3630A_BOOST_OCP_800MA BIT(3)
#define LM3630A_BOOST_OCP_1000MA (2 << 3)
#define LM3630A_BOOST_OCP_1200MA (3 << 3)
#define LM3630A_BOOST_SLOW_START BIT(2)
#define LM3630A_SHIFT_500KHZ (0 << 1) /* FMODE=0 */
#define LM3630A_SHIFT_560KHZ BIT(1) /* FMODE=0 */
#define LM3630A_SHIFT_1000KHZ (0 << 1) /* FMODE=1 */
#define LM3630A_SHIFT_1120KHZ BIT(1) /* FMODE=1 */
#define LM3630A_FMODE_500KHZ (0 << 0)
#define LM3630A_FMODE_1000KHZ BIT(0)

/* Power on and initialize LM3630A. */
int lm3630a_poweron(void);

/* Power off LM3630A. */
int lm3630a_poweroff(void);

#endif /* __CROS_EC_LM3630A_H */