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/* Copyright 2017 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 SN5S330 Type-C Power Path Controller */
#ifndef __CROS_EC_SN5S330_H
#define __CROS_EC_SN5S330_H
#include "common.h"
struct sn5s330_config {
uint8_t i2c_port;
uint8_t i2c_addr;
};
extern const struct sn5s330_config sn5s330_chips[];
extern const unsigned int sn5s330_cnt;
/* Power Path Indices */
enum sn5s330_pp_idx {
SN5S330_PP1,
SN5S330_PP2,
SN5S330_PP_COUNT,
};
#define SN5S330_ADDR0 0x80
#define SN5S330_ADDR1 0x82
#define SN5S330_ADDR2 0x84
#define SN5S330_ADDR3 0x86
#define SN5S330_FUNC_SET1 0x50
#define SN5S330_FUNC_SET2 0x51
#define SN5S330_FUNC_SET3 0x52
#define SN5S330_FUNC_SET4 0x53
#define SN5S330_FUNC_SET5 0x54
#define SN5S330_FUNC_SET6 0x55
#define SN5S330_FUNC_SET7 0x56
#define SN5S330_FUNC_SET8 0x57
#define SN5S330_FUNC_SET9 0x58
#define SN5S330_FUNC_SET10 0x59
#define SN5S330_FUNC_SET11 0x5A
#define SN5S330_FUNC_SET12 0x5B
#define SN5S330_INT_STATUS_REG1 0x2F
#define SN5S330_INT_STATUS_REG2 0x30
#define SN5S330_INT_STATUS_REG3 0x31
#define SN5S330_INT_STATUS_REG4 0x32
#define SN5S330_INT_TRIP_RISE_REG1 0x20
#define SN5S330_INT_TRIP_RISE_REG2 0x21
#define SN5S330_INT_TRIP_RISE_REG3 0x22
#define SN5S330_INT_TRIP_FALL_REG1 0x23
#define SN5S330_INT_TRIP_FALL_REG2 0x24
#define SN5S330_INT_TRIP_FALL_REG3 0x25
#define SN5S330_INT_MASK_RISE_REG1 0x26
#define SN5S330_INT_MASK_RISE_REG2 0x27
#define SN5S330_INT_MASK_RISE_REG3 0x28
#define SN5S330_INT_MASK_FALL_REG1 0x29
#define SN5S330_INT_MASK_FALL_REG2 0x2A
#define SN5S330_INT_MASK_FALL_REG3 0x2B
#define PPX_ILIM_DEGLITCH_0_US_20 0x1
#define PPX_ILIM_DEGLITCH_0_US_50 0x2
#define PPX_ILIM_DEGLITCH_0_US_100 0x3
#define PPX_ILIM_DEGLITCH_0_US_200 0x4
#define PPX_ILIM_DEGLITCH_0_US_1000 0x5
#define PPX_ILIM_DEGLITCH_0_US_2000 0x6
#define PPX_ILIM_DEGLITCH_0_US_10000 0x7
/* Internal VBUS Switch Current Limit Settings (min) */
#define SN5S330_ILIM_0_35 0
#define SN5S330_ILIM_0_63 1
#define SN5S330_ILIM_0_90 2
#define SN5S330_ILIM_1_14 3
#define SN5S330_ILIM_1_38 4
#define SN5S330_ILIM_1_62 5
#define SN5S330_ILIM_1_86 6
#define SN5S330_ILIM_2_10 7
#define SN5S330_ILIM_2_34 8
#define SN5S330_ILIM_2_58 9
#define SN5S330_ILIM_2_82 10
#define SN5S330_ILIM_3_06 11
#define SN5S330_ILIM_3_30 12
/* FUNC_SET_2 */
#define SN5S330_SBU_EN (1 << 4)
/* FUNC_SET_3 */
#define SN5S330_PP1_EN (1 << 0)
#define SN5S330_PP2_EN (1 << 1)
#define SN5S330_SET_RCP_MODE_PP1 (1 << 5)
#define SN5S330_SET_RCP_MODE_PP2 (1 << 6)
#define SN5S330_CC_EN (1 << 4)
/* FUNC_SET_9 */
#define SN5S330_PP2_CONFIG (1 << 2)
#define SN5S330_OVP_EN_CC (1 << 4)
/* INT_STATUS_REG4 */
#define SN5S330_DIG_RES (1 << 0)
#define SN5S330_DB_BOOT (1 << 1)
#define SN5S330_VSAFE0V_STAT (1 << 2)
#define SN5S330_VSAFE0V_MASK (1 << 3)
/*
* INT_MASK_RISE/FALL_EDGE_1
*
* The ILIM_PP1 bit indicates an overcurrent condition when sourcing on power
* path 1. For rising edge registers, this indicates an overcurrent has
* occured; similarly for falling edge, it means the overcurrent condition is no
* longer present.
*/
#define SN5S330_ILIM_PP1_MASK (1 << 4)
/**
* Determine if a PP FET is enabled or not.
*
* @param chip_idx: The index into the sn5s330_chips[] table.
* @param pp: The power path index (PP1 or PP2).
* @param is_enabled: 1 to turn on the FET, 0 to turn off.
* @return EC_SUCCESS if i2c access worked, otherwise an error.
*/
int sn5s330_is_pp_fet_enabled(uint8_t chip_idx, enum sn5s330_pp_idx pp,
int *is_enabled);
/**
* Turn on/off the PP1 or PP2 FET.
*
* @param chip_idx: The index into the sn5s330_chips[] table.
* @param pp: The power path index (PP1 or PP2).
* @param enable: 1 to turn on the FET, 0 to turn off.
* @return EC_SUCCESS on success,
* otherwise if failed to enable the FET.
*/
int sn5s330_pp_fet_enable(uint8_t chip_idx, enum sn5s330_pp_idx pp, int enable);
#endif /* defined(__CROS_EC_SN5S330_H) */
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