324 lines
10 KiB
C
324 lines
10 KiB
C
/* Copyright 2018 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/*
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* IDT P9221-R7 Wireless Power Receiver driver definitions.
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*/
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#ifndef __P9221_R7_H
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#define __P9221_R7_H
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#include "common.h"
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#include "gpio.h"
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#include "charge_manager.h"
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#include "task.h"
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/* ========== Variant-specific configuration ============ */
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#define P9221_R7_ADDR_FLAGS 0x61
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/*
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* P9221 common registers
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*/
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#define P9221_CHIP_ID_REG 0x00
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#define P9221_CHIP_ID 0x9220
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#define P9221_CHIP_REVISION_REG 0x02
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#define P9221_CUSTOMER_ID_REG 0x03
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#define P9221R7_CUSTOMER_ID_VAL 0x05
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#define P9221_OTP_FW_MAJOR_REV_REG 0x04
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#define P9221_OTP_FW_MINOR_REV_REG 0x06
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#define P9221_OTP_FW_DATE_REG 0x08
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#define P9221_OTP_FW_DATE_SIZE 12
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#define P9221_OTP_FW_TIME_REG 0x14
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#define P9221_OTP_FW_TIME_SIZE 8
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#define P9221_SRAM_FW_MAJOR_REV_REG 0x1C
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#define P9221_SRAM_FW_MINOR_REV_REG 0x1E
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#define P9221_SRAM_FW_DATE_REG 0x20
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#define P9221_SRAM_FW_DATE_SIZE 12
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#define P9221_SRAM_FW_TIME_REG 0x2C
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#define P9221_SRAM_FW_TIME_SIZE 8
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#define P9221_STATUS_REG 0x34
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#define P9221_INT_REG 0x36
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#define P9221_INT_MASK 0xF7
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#define P9221_INT_ENABLE_REG 0x38
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#define P9221_GPP_TX_MF_ID 0x0072
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/*
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* P9221 Rx registers (x != 5)
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*/
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#define P9221_CHARGE_STAT_REG 0x3A
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#define P9221_EPT_REG 0x3B
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#define P9221_VOUT_ADC_REG 0x3C
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#define P9221_VOUT_ADC_MASK 0x0FFF
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#define P9221_VOUT_SET_REG 0x3E
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#define P9221_MAX_VOUT_SET_MV_DEFAULT 9000
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#define P9221_VRECT_ADC_REG 0x40
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#define P9221_VRECT_ADC_MASK 0x0FFF
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#define P9221_OVSET_REG 0x42
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#define P9221_OVSET_MASK 0x70
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#define P9221_OVSET_SHIFT 4
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#define P9221_RX_IOUT_REG 0x44
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#define P9221_DIE_TEMP_ADC_REG 0x46
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#define P9221_DIE_TEMP_ADC_MASK 0x0FFF
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#define P9221_OP_FREQ_REG 0x48
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#define P9221_ILIM_SET_REG 0x4A
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#define P9221_ALIGN_X_ADC_REG 0x4B
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#define P9221_ALIGN_Y_ADC_REG 0x4C
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#define P9221_OP_MODE_REG 0x4D
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#define P9221_COM_REG 0x4E
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#define P9221_FW_SWITCH_KEY_REG 0x4F
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#define P9221_INT_CLEAR_REG 0x56
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#define P9221_RXID_REG 0x5C
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#define P9221_RXID_LEN 6
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#define P9221_MPREQ_REG 0x5C
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#define P9221_MPREQ_LEN 6
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#define P9221_FOD_REG 0x68
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#define P9221_NUM_FOD 16
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#define P9221_RX_RAWIOUT_REG 0x7A
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#define P9221_RX_RAWIOUT_MASK 0xFFF
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#define P9221_PMA_AD_REG 0x7C
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#define P9221_RX_PINGFREQ_REG 0xFC
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#define P9221_RX_PINGFREQ_MASK 0xFFF
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#define P9221_LAST_REG 0xFF
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/*
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* P9221R7 unique registers
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*/
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#define P9221R7_INT_CLEAR_REG 0x3A
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#define P9221R7_VOUT_SET_REG 0x3C
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#define P9221R7_ILIM_SET_REG 0x3D
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#define P9221R7_ILIM_SET_MAX 0x0E /* 0x0E = 1.6A */
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#define P9221R7_CHARGE_STAT_REG 0x3E
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#define P9221R7_EPT_REG 0x3F
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#define P9221R7_VRECT_REG 0x40
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#define P9221R7_VOUT_REG 0x42
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#define P9221R7_IOUT_REG 0x44
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#define P9221R7_OP_FREQ_REG 0x48
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#define P9221R7_SYSTEM_MODE_REG 0x4C
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#define P9221R7_COM_CHAN_RESET_REG 0x50
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#define P9221R7_COM_CHAN_SEND_SIZE_REG 0x58
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#define P9221R7_COM_CHAN_SEND_IDX_REG 0x59
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#define P9221R7_COM_CHAN_RECV_SIZE_REG 0x5A
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#define P9221R7_COM_CHAN_RECV_IDX_REG 0x5B
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#define P9221R7_VRECT_ADC_REG 0x60
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#define P9221R7_VOUT_ADC_REG 0x62
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#define P9221R7_VOUT_ADC_MASK 0xFFF
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#define P9221R7_IOUT_ADC_REG 0x64
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#define P9221R7_IOUT_ADC_MASK 0xFFF
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#define P9221R7_DIE_TEMP_ADC_REG 0x66
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#define P9221R7_DIE_TEMP_ADC_MASK 0xFFF
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#define P9221R7_AC_PERIOD_REG 0x68
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#define P9221R7_TX_PINGFREQ_REG 0x6A
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#define P9221R7_EXT_TEMP_REG 0x6C
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#define P9221R7_EXT_TEMP_MASK 0xFFF
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#define P9221R7_FOD_REG 0x70
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#define P9221R7_NUM_FOD 16
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#define P9221R7_DEBUG_REG 0x80
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#define P9221R7_EPP_Q_FACTOR_REG 0x83
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#define P9221R7_EPP_TX_GUARANTEED_POWER_REG 0x84
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#define P9221R7_EPP_TX_POTENTIAL_POWER_REG 0x85
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#define P9221R7_EPP_TX_CAPABILITY_FLAGS_REG 0x86
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#define P9221R7_EPP_RENEGOTIATION_REG 0x87
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#define P9221R7_EPP_CUR_RPP_HEADER_REG 0x88
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#define P9221R7_EPP_CUR_NEGOTIATED_POWER_REG 0x89
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#define P9221R7_EPP_CUR_MAXIMUM_POWER_REG 0x8A
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#define P9221R7_EPP_CUR_FSK_MODULATION_REG 0x8B
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#define P9221R7_EPP_REQ_RPP_HEADER_REG 0x8C
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#define P9221R7_EPP_REQ_NEGOTIATED_POWER_REG 0x8D
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#define P9221R7_EPP_REQ_MAXIMUM_POWER_REG 0x8E
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#define P9221R7_EPP_REQ_FSK_MODULATION_REG 0x8F
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#define P9221R7_VRECT_TARGET_REG 0x90
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#define P9221R7_VRECT_KNEE_REG 0x92
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#define P9221R7_VRECT_CORRECTION_FACTOR_REG 0x93
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#define P9221R7_VRECT_MAX_CORRECTION_FACTOR_REG 0x94
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#define P9221R7_VRECT_MIN_CORRECTION_FACTOR_REG 0x96
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#define P9221R7_FOD_SECTION_REG 0x99
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#define P9221R7_VRECT_ADJ_REG 0x9E
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#define P9221R7_ALIGN_X_ADC_REG 0xA0
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#define P9221R7_ALIGN_Y_ADC_REG 0xA1
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#define P9221R7_ASK_MODULATION_DEPTH_REG 0xA2
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#define P9221R7_OVSET_REG 0xA3
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#define P9221R7_OVSET_MASK 0x7
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#define P9221R7_EPP_TX_SPEC_REV_REG 0xA9
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#define P9221R7_EPP_TX_MFG_CODE_REG 0xAA
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#define P9221R7_GP0_RESET_VOLT_REG 0xAC
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#define P9221R7_GP1_RESET_VOLT_REG 0xAE
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#define P9221R7_GP2_RESET_VOLT_REG 0xB0
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#define P9221R7_GP3_RESET_VOLT_REG 0xB2
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#define P9221R7_PROP_TX_ID_REG 0xB4
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#define P9221R7_PROP_TX_ID_SIZE 4
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#define P9221R7_DATA_SEND_BUF_START 0x100
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#define P9221R7_DATA_SEND_BUF_SIZE 0x80
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#define P9221R7_DATA_RECV_BUF_START 0x180
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#define P9221R7_DATA_RECV_BUF_SIZE 0x80
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#define P9221R7_MAX_PP_BUF_SIZE 16
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#define P9221R7_LAST_REG 0x1FF
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/*
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* System Mode Mask (r7+/0x4C)
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*/
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#define P9221R7_SYSTEM_MODE_EXTENDED_MASK (1 << 3)
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/*
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* TX ID GPP Mask (r7+/0xB4->0xB7)
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*/
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#define P9221R7_PROP_TX_ID_GPP_MASK (1 << 29)
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/*
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* Com Channel Commands
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*/
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#define P9221R7_COM_CHAN_CCRESET BIT(7)
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#define P9221_COM_CHAN_RETRIES 5
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/*
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* End of Power packet types
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*/
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#define P9221_EOP_UNKNOWN 0x00
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#define P9221_EOP_EOC 0x01
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#define P9221_EOP_INTERNAL_FAULT 0x02
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#define P9221_EOP_OVER_TEMP 0x03
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#define P9221_EOP_OVER_VOLT 0x04
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#define P9221_EOP_OVER_CURRENT 0x05
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#define P9221_EOP_BATT_FAIL 0x06
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#define P9221_EOP_RECONFIG 0x07
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#define P9221_EOP_NO_RESPONSE 0x08
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#define P9221_EOP_NEGOTIATION_FAIL 0x0A
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#define P9221_EOP_RESTART_POWER 0x0B
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/*
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* Command flags
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*/
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#define P9221R7_COM_RENEGOTIATE P9221_COM_RENEGOTIATE
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#define P9221R7_COM_SWITCH2RAM P9221_COM_SWITCH_TO_RAM_MASK
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#define P9221R7_COM_CLRINT P9221_COM_CLEAR_INT_MASK
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#define P9221R7_COM_SENDCSP P9221_COM_SEND_CHG_STAT_MASK
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#define P9221R7_COM_SENDEPT P9221_COM_SEND_EOP_MASK
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#define P9221R7_COM_LDOTGL P9221_COM_LDO_TOGGLE
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#define P9221R7_COM_CCACTIVATE BIT(0)
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#define P9221_COM_RENEGOTIATE BIT(7)
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#define P9221_COM_SWITCH_TO_RAM_MASK BIT(6)
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#define P9221_COM_CLEAR_INT_MASK BIT(5)
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#define P9221_COM_SEND_CHG_STAT_MASK BIT(4)
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#define P9221_COM_SEND_EOP_MASK BIT(3)
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#define P9221_COM_LDO_TOGGLE BIT(1)
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/*
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* Interrupt/Status flags for P9221
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*/
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#define P9221_STAT_VOUT BIT(7)
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#define P9221_STAT_VRECT BIT(6)
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#define P9221_STAT_ACMISSING BIT(5)
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#define P9221_STAT_OV_TEMP BIT(2)
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#define P9221_STAT_OV_VOLT BIT(1)
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#define P9221_STAT_OV_CURRENT BIT(0)
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#define P9221_STAT_LIMIT_MASK (P9221_STAT_OV_TEMP | \
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P9221_STAT_OV_VOLT | \
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P9221_STAT_OV_CURRENT)
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/*
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* Interrupt/Status flags for P9221R7
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*/
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#define P9221R7_STAT_CCRESET BIT(12)
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#define P9221R7_STAT_CCERROR BIT(11)
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#define P9221R7_STAT_PPRCVD BIT(10)
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#define P9221R7_STAT_CCDATARCVD BIT(9)
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#define P9221R7_STAT_CCSENDBUSY BIT(8)
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#define P9221R7_STAT_VOUTCHANGED BIT(7)
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#define P9221R7_STAT_VRECTON BIT(6)
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#define P9221R7_STAT_MODECHANGED BIT(5)
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#define P9221R7_STAT_UV BIT(3)
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#define P9221R7_STAT_OVT BIT(2)
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#define P9221R7_STAT_OVV BIT(1)
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#define P9221R7_STAT_OVC BIT(0)
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#define P9221R7_STAT_MASK 0x1FFF
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#define P9221R7_STAT_CC_MASK (P9221R7_STAT_CCRESET | \
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P9221R7_STAT_PPRCVD | \
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P9221R7_STAT_CCERROR | \
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P9221R7_STAT_CCDATARCVD | \
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P9221R7_STAT_CCSENDBUSY)
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#define P9221R7_STAT_LIMIT_MASK (P9221R7_STAT_UV | \
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P9221R7_STAT_OVV | \
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P9221R7_STAT_OVT | \
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P9221R7_STAT_OVC)
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#define P9221_DC_ICL_BPP_MA 1000
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#define P9221_DC_ICL_EPP_MA 1100
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#define P9221_DC_IVL_BPP_MV 5000
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#define P9221_DC_IVL_EPP_MV 9000
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#define P9221_EPP_THRESHOLD_UV 7000000
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#define true 1
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#define false 0
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struct wpc_charger_info {
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uint8_t online; /* wpc is online */
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uint8_t cust_id; /* customer id */
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uint8_t i2c_port; /* i2c port */
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/* Proprietary Packets receive buffer, to get Proprietary data from TX*/
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uint8_t pp_buf[P9221R7_MAX_PP_BUF_SIZE];
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uint8_t pp_buf_valid;
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/* Common message Packets receive buffer, for get data from TX */
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uint8_t rx_buf[P9221R7_DATA_RECV_BUF_SIZE];
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uint8_t rx_len;
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uint8_t rx_done;
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/* Message packets send buffer, used when send messages from RX to TX*/
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uint8_t tx_buf[P9221R7_DATA_SEND_BUF_SIZE];
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uint8_t tx_id; /* TX device id */
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uint8_t tx_len; /* The data size need send to TX */
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uint8_t tx_done; /* TX data send has done */
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uint8_t tx_busy; /* when tx_busy=1, can't transfer data from RX to TX */
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/* p9221_check_vbus=1 when VBUS has changed, need update charge state */
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uint8_t p9221_check_vbus;
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/* p9221_check_det=1 when TX device has detected */
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uint8_t p9221_check_det;
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/* vbus_status is 1 when VBUS attached and is 0 when VBUS detached*/
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uint8_t vbus_status;
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/* supplier type of wireless charger */
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uint8_t charge_supplier;
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/* lock of send command to p9221 */
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struct mutex cmd_lock;
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};
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/* Interrupt handler for p9221 */
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void p9221_interrupt(enum gpio_signal signal);
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/**
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* notify p9221 detect update charger status when VBUS changed
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*
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* @param vbus: new status of VBUS, 1 if VBUS on, 0 if VBUS off.
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*/
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void p9221_notify_vbus_change(int vbus);
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/**
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* get the fod (foreign-object detection) parameters for bpp charger type
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*
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* @param fod: return the real value of fod paramerters,
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* return NULL if fod paramerters not set.
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*
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* @return the count bytes of fod paramerters.
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*/
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int board_get_fod(uint8_t **fod);
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/**
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* get the fod (foreign-object detection) parameters for epp chager type
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*
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* @param fod: return the real value of fod paramerters,
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* return NULL if fod paramerters not set.
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*
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* @return the count bytes of fod paramerters.
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*/
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int board_get_epp_fod(uint8_t **fod);
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/**
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* return the wireless charge online status
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*
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* @return true if online, false if offline.
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*/
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int wpc_chip_is_online(void);
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#endif
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