| /* |
| * P9221 Wireless Charger Driver |
| * |
| * Copyright (C) 2017 Google, Inc. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| */ |
| #ifndef __P9221_CHARGER_H__ |
| #define __P9221_CHARGER_H__ |
| |
| #define P9221_WLC_VOTER "WLC_VOTER" |
| #define P9221_USER_VOTER "WLC_USER_VOTER" |
| #define P9221_OCP_VOTER "OCP_VOTER" |
| #define P9221_DC_ICL_BPP_UA 700000 |
| #define P9221_DC_ICL_EPP_UA 1100000 |
| #define P9221_EPP_THRESHOLD_UV 7000000 |
| |
| /* |
| * P9221 common registers |
| */ |
| #define P9221_CHIP_ID_REG 0x00 |
| #define P9221_CHIP_ID 0x9220 |
| #define P9221_CHIP_REVISION_REG 0x02 |
| #define P9221_CUSTOMER_ID_REG 0x03 |
| #define P9221R5_CUSTOMER_ID_VAL 0x05 |
| #define P9221_OTP_FW_MAJOR_REV_REG 0x04 |
| #define P9221_OTP_FW_MINOR_REV_REG 0x06 |
| #define P9221_OTP_FW_DATE_REG 0x08 |
| #define P9221_OTP_FW_DATE_SIZE 12 |
| #define P9221_OTP_FW_TIME_REG 0x14 |
| #define P9221_OTP_FW_TIME_SIZE 8 |
| #define P9221_SRAM_FW_MAJOR_REV_REG 0x1C |
| #define P9221_SRAM_FW_MINOR_REV_REG 0x1E |
| #define P9221_SRAM_FW_DATE_REG 0x20 |
| #define P9221_SRAM_FW_DATE_SIZE 12 |
| #define P9221_SRAM_FW_TIME_REG 0x2C |
| #define P9221_SRAM_FW_TIME_SIZE 8 |
| #define P9221_STATUS_REG 0x34 |
| #define P9221_INT_REG 0x36 |
| #define P9221_INT_MASK 0xF7 |
| #define P9221_INT_ENABLE_REG 0x38 |
| |
| /* |
| * P9221 Rx registers (x != 5) |
| */ |
| #define P9221_CHARGE_STAT_REG 0x3A |
| #define P9221_EPT_REG 0x3B |
| #define P9221_VOUT_ADC_REG 0x3C |
| #define P9221_VOUT_ADC_MASK 0x0FFF |
| #define P9221_VOUT_SET_REG 0x3E |
| #define P9221_MAX_VOUT_SET_MV_DEFAULT 9000 |
| #define P9221_VRECT_ADC_REG 0x40 |
| #define P9221_VRECT_ADC_MASK 0x0FFF |
| #define P9221_OVSET_REG 0x42 |
| #define P9221_OVSET_MASK 0x70 |
| #define P9221_OVSET_SHIFT 4 |
| #define P9221_RX_IOUT_REG 0x44 |
| #define P9221_DIE_TEMP_ADC_REG 0x46 |
| #define P9221_DIE_TEMP_ADC_MASK 0x0FFF |
| #define P9221_OP_FREQ_REG 0x48 |
| #define P9221_ILIM_SET_REG 0x4A |
| #define P9221_ALIGN_X_ADC_REG 0x4B |
| #define P9221_ALIGN_Y_ADC_REG 0x4C |
| #define P9221_OP_MODE_REG 0x4D |
| #define P9221_COM_REG 0x4E |
| #define P9221_FW_SWITCH_KEY_REG 0x4F |
| #define P9221_INT_CLEAR_REG 0x56 |
| #define P9221_RXID_REG 0x5C |
| #define P9221_RXID_LEN 6 |
| #define P9221_MPREQ_REG 0x5C |
| #define P9221_MPREQ_LEN 6 |
| #define P9221_FOD_REG 0x68 |
| #define P9221_NUM_FOD 16 |
| #define P9221_RX_RAWIOUT_REG 0x7A |
| #define P9221_RX_RAWIOUT_MASK 0xFFF |
| #define P9221_PMA_AD_REG 0x7C |
| #define P9221_RX_PINGFREQ_REG 0xFC |
| #define P9221_RX_PINGFREQ_MASK 0xFFF |
| #define P9221_LAST_REG 0xFF |
| |
| /* |
| * P9221R5 unique registers |
| */ |
| #define P9221R5_INT_CLEAR_REG 0x3A |
| #define P9221R5_VOUT_SET_REG 0x3C |
| #define P9221R5_ILIM_SET_REG 0x3D |
| #define P9221R5_ILIM_SET_MAX 0x0E /* 0x0E = 1.6A */ |
| #define P9221R5_CHARGE_STAT_REG 0x3E |
| #define P9221R5_EPT_REG 0x3F |
| #define P9221R5_VRECT_REG 0x40 |
| #define P9221R5_VOUT_REG 0x42 |
| #define P9221R5_IOUT_REG 0x44 |
| #define P9221R5_OP_FREQ_REG 0x48 |
| #define P9221R5_SYSTEM_MODE_REG 0x4C |
| #define P9221R5_COM_CHAN_RESET_REG 0x50 |
| #define P9221R5_COM_CHAN_SEND_SIZE_REG 0x58 |
| #define P9221R5_COM_CHAN_SEND_IDX_REG 0x59 |
| #define P9221R5_COM_CHAN_RECV_SIZE_REG 0x5A |
| #define P9221R5_COM_CHAN_RECV_IDX_REG 0x5B |
| #define P9221R5_VRECT_ADC_REG 0x60 |
| #define P9221R5_VOUT_ADC_REG 0x62 |
| #define P9221R5_VOUT_ADC_MASK 0xFFF |
| #define P9221R5_IOUT_ADC_REG 0x64 |
| #define P9221R5_IOUT_ADC_MASK 0xFFF |
| #define P9221R5_DIE_TEMP_ADC_REG 0x66 |
| #define P9221R5_DIE_TEMP_ADC_MASK 0xFFF |
| #define P9221R5_AC_PERIOD_REG 0x68 |
| #define P9221R5_TX_PINGFREQ_REG 0x6A |
| #define P9221R5_EXT_TEMP_REG 0x6C |
| #define P9221R5_EXT_TEMP_MASK 0xFFF |
| #define P9221R5_FOD_REG 0x70 |
| #define P9221R5_NUM_FOD 16 |
| #define P9221R5_DEBUG_REG 0x80 |
| #define P9221R5_EPP_Q_FACTOR_REG 0x83 |
| #define P9221R5_EPP_TX_GUARANTEED_POWER_REG 0x84 |
| #define P9221R5_EPP_TX_POTENTIAL_POWER_REG 0x85 |
| #define P9221R5_EPP_TX_CAPABILITY_FLAGS_REG 0x86 |
| #define P9221R5_EPP_RENEGOTIATION_REG 0x87 |
| #define P9221R5_EPP_CUR_RPP_HEADER_REG 0x88 |
| #define P9221R5_EPP_CUR_NEGOTIATED_POWER_REG 0x89 |
| #define P9221R5_EPP_CUR_MAXIMUM_POWER_REG 0x8A |
| #define P9221R5_EPP_CUR_FSK_MODULATION_REG 0x8B |
| #define P9221R5_EPP_REQ_RPP_HEADER_REG 0x8C |
| #define P9221R5_EPP_REQ_NEGOTIATED_POWER_REG 0x8D |
| #define P9221R5_EPP_REQ_MAXIMUM_POWER_REG 0x8E |
| #define P9221R5_EPP_REQ_FSK_MODULATION_REG 0x8F |
| #define P9221R5_VRECT_TARGET_REG 0x90 |
| #define P9221R5_VRECT_KNEE_REG 0x92 |
| #define P9221R5_VRECT_CORRECTION_FACTOR_REG 0x93 |
| #define P9221R5_VRECT_MAX_CORRECTION_FACTOR_REG 0x94 |
| #define P9221R5_VRECT_MIN_CORRECTION_FACTOR_REG 0x96 |
| #define P9221R5_FOD_SECTION_REG 0x99 |
| #define P9221R5_VRECT_ADJ_REG 0x9E |
| #define P9221R5_ALIGN_X_ADC_REG 0xA0 |
| #define P9221R5_ALIGN_Y_ADC_REG 0xA1 |
| #define P9221R5_ASK_MODULATION_DEPTH_REG 0xA2 |
| #define P9221R5_OVSET_REG 0xA3 |
| #define P9221R5_OVSET_MASK 0x7 |
| #define P9221R5_EPP_TX_SPEC_REV_REG 0xA9 |
| #define P9221R5_EPP_TX_MFG_CODE_REG 0xAA |
| #define P9221R5_GP0_RESET_VOLT_REG 0xAC |
| #define P9221R5_GP1_RESET_VOLT_REG 0xAE |
| #define P9221R5_GP2_RESET_VOLT_REG 0xB0 |
| #define P9221R5_GP3_RESET_VOLT_REG 0xB2 |
| #define P9221R5_PROP_TX_ID_REG 0xB4 |
| #define P9221R5_PROP_TX_ID_SIZE 4 |
| #define P9221R5_DATA_SEND_BUF_START 0x100 |
| #define P9221R5_DATA_SEND_BUF_SIZE 0x80 |
| #define P9221R5_DATA_RECV_BUF_START 0x180 |
| #define P9221R5_DATA_RECV_BUF_SIZE 0x80 |
| #define P9221R5_MAX_PP_BUF_SIZE 16 |
| #define P9221R5_LAST_REG 0x1FF |
| |
| /* |
| * System Mode Mask (R5+/0x4C) |
| */ |
| #define P9221R5_SYSTEM_MODE_EXTENDED_MASK (1 << 3) |
| |
| /* |
| * Com Channel Commands |
| */ |
| #define P9221R5_COM_CHAN_CCRESET BIT(7) |
| #define P9221_COM_CHAN_RETRIES 5 |
| |
| /* |
| * End of Power packet types |
| */ |
| #define P9221_EOP_UNKNOWN 0x00 |
| #define P9221_EOP_EOC 0x01 |
| #define P9221_EOP_INTERNAL_FAULT 0x02 |
| #define P9221_EOP_OVER_TEMP 0x03 |
| #define P9221_EOP_OVER_VOLT 0x04 |
| #define P9221_EOP_OVER_CURRENT 0x05 |
| #define P9221_EOP_BATT_FAIL 0x06 |
| #define P9221_EOP_RECONFIG 0x07 |
| #define P9221_EOP_NO_RESPONSE 0x08 |
| #define P9221_EOP_NEGOTIATION_FAIL 0x0A |
| #define P9221_EOP_RESTART_POWER 0x0B |
| |
| /* |
| * Command flags |
| */ |
| #define P9221R5_COM_RENEGOTIATE P9221_COM_RENEGOTIATE |
| #define P9221R5_COM_SWITCH2RAM P9221_COM_SWITCH_TO_RAM_MASK |
| #define P9221R5_COM_CLRINT P9221_COM_CLEAR_INT_MASK |
| #define P9221R5_COM_SENDCSP P9221_COM_SEND_CHG_STAT_MASK |
| #define P9221R5_COM_SENDEPT P9221_COM_SEND_EOP_MASK |
| #define P9221R5_COM_LDOTGL P9221_COM_LDO_TOGGLE |
| #define P9221R5_COM_CCACTIVATE BIT(0) |
| |
| #define P9221_COM_RENEGOTIATE BIT(7) |
| #define P9221_COM_SWITCH_TO_RAM_MASK BIT(6) |
| #define P9221_COM_CLEAR_INT_MASK BIT(5) |
| #define P9221_COM_SEND_CHG_STAT_MASK BIT(4) |
| #define P9221_COM_SEND_EOP_MASK BIT(3) |
| #define P9221_COM_LDO_TOGGLE BIT(1) |
| |
| /* |
| * Interrupt/Status flags for P9221 |
| */ |
| #define P9221_STAT_VOUT BIT(7) |
| #define P9221_STAT_VRECT BIT(6) |
| #define P9221_STAT_ACMISSING BIT(5) |
| #define P9221_STAT_OV_TEMP BIT(2) |
| #define P9221_STAT_OV_VOLT BIT(1) |
| #define P9221_STAT_OV_CURRENT BIT(0) |
| #define P9221_STAT_LIMIT_MASK (P9221_STAT_OV_TEMP | \ |
| P9221_STAT_OV_VOLT | \ |
| P9221_STAT_OV_CURRENT) |
| /* |
| * Interrupt/Status flags for P9221R5 |
| */ |
| #define P9221R5_STAT_CCRESET BIT(12) |
| #define P9221R5_STAT_CCERROR BIT(11) |
| #define P9221R5_STAT_PPRCVD BIT(10) |
| #define P9221R5_STAT_CCDATARCVD BIT(9) |
| #define P9221R5_STAT_CCSENDBUSY BIT(8) |
| #define P9221R5_STAT_VOUTCHANGED BIT(7) |
| #define P9221R5_STAT_VRECTON BIT(6) |
| #define P9221R5_STAT_MODECHANGED BIT(5) |
| #define P9221R5_STAT_UV BIT(3) |
| #define P9221R5_STAT_OVT BIT(2) |
| #define P9221R5_STAT_OVV BIT(1) |
| #define P9221R5_STAT_OVC BIT(0) |
| #define P9221R5_STAT_MASK 0x1FFF |
| #define P9221R5_STAT_CC_MASK (P9221R5_STAT_CCRESET | \ |
| P9221R5_STAT_PPRCVD | \ |
| P9221R5_STAT_CCERROR | \ |
| P9221R5_STAT_CCDATARCVD | \ |
| P9221R5_STAT_CCSENDBUSY) |
| #define P9221R5_STAT_LIMIT_MASK (P9221R5_STAT_UV | \ |
| P9221R5_STAT_OVV | \ |
| P9221R5_STAT_OVT | \ |
| P9221R5_STAT_OVC) |
| |
| struct p9221_charger_platform_data { |
| int irq_gpio; |
| int irq_int; |
| int irq_det_gpio; |
| int irq_det_int; |
| int max_vout_mv; |
| u8 fod[P9221_NUM_FOD]; |
| u8 fod_epp[P9221_NUM_FOD]; |
| int fod_num; |
| int fod_epp_num; |
| }; |
| |
| struct p9221_charger_data { |
| struct i2c_client *client; |
| struct p9221_charger_platform_data *pdata; |
| struct power_supply *wc_psy; |
| struct power_supply *dc_psy; |
| struct votable *dc_icl_votable; |
| struct notifier_block nb; |
| struct mutex io_lock; |
| struct mutex cmd_lock; |
| struct device *dev; |
| struct delayed_work notifier_work; |
| struct delayed_work dcin_work; |
| struct delayed_work tx_work; |
| struct timer_list vrect_timer; |
| struct bin_attribute bin; |
| int online; |
| int next_online; |
| u16 addr; |
| u8 count; |
| u8 cust_id; |
| u8 pp_buf[P9221R5_MAX_PP_BUF_SIZE]; |
| bool pp_buf_valid; |
| u8 rx_buf[P9221R5_DATA_RECV_BUF_SIZE]; |
| u16 rx_len; |
| bool rx_done; |
| u8 tx_buf[P9221R5_DATA_SEND_BUF_SIZE]; |
| u32 tx_id; |
| u8 tx_id_str[(sizeof(u32) * 2) + 1]; |
| u16 tx_len; |
| bool tx_done; |
| bool tx_busy; |
| bool check_dc; |
| bool check_det; |
| int last_capacity; |
| bool resume_complete; |
| }; |
| |
| struct p9221_prop_reg_map_entry { |
| enum power_supply_property prop; |
| u16 reg; |
| bool get; |
| bool set; |
| }; |
| |
| #define P9221_SHOW(name, reg, width, mask, format) \ |
| static ssize_t p9221_show_##name(struct device *dev, \ |
| struct device_attribute *attr, \ |
| char *buf) \ |
| { \ |
| struct i2c_client *client = to_i2c_client(dev); \ |
| struct p9221_charger_data *charger = \ |
| i2c_get_clientdata(client); \ |
| u##width val; \ |
| int ret; \ |
| \ |
| ret = p9221_reg_read_##width(charger, reg, &val); \ |
| if (ret) \ |
| return ret; \ |
| val &= mask; \ |
| return snprintf(buf, PAGE_SIZE, format, val); \ |
| } |
| |
| #endif /* __P9221_CHARGER_H__ */ |
