// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2015-2017 Google, Inc
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*
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* USB Type-C Port Controller Interface.
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*/
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#include <linux/delay.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/interrupt.h>
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#include <linux/property.h>
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#include <linux/regmap.h>
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#include <linux/usb/pd.h>
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#include <linux/usb/tcpm.h>
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#include <linux/usb/typec.h>
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#include "tcpci.h"
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#define PD_RETRY_COUNT 3
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#define tcpc_presenting_cc1_rd(reg) \
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(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
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(((reg) & (TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT)) == \
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(TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC1_SHIFT)))
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#define tcpc_presenting_cc2_rd(reg) \
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(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
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(((reg) & (TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT)) == \
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(TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC2_SHIFT)))
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struct tcpci {
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struct device *dev;
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struct tcpm_port *port;
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struct regmap *regmap;
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bool controls_vbus;
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struct tcpc_dev tcpc;
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struct tcpci_data *data;
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};
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struct tcpci_chip {
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struct tcpci *tcpci;
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struct tcpci_data data;
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};
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static inline struct tcpci *tcpc_to_tcpci(struct tcpc_dev *tcpc)
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{
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return container_of(tcpc, struct tcpci, tcpc);
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}
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static int tcpci_read16(struct tcpci *tcpci, unsigned int reg, u16 *val)
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{
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return regmap_raw_read(tcpci->regmap, reg, val, sizeof(u16));
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}
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static int tcpci_write16(struct tcpci *tcpci, unsigned int reg, u16 val)
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{
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return regmap_raw_write(tcpci->regmap, reg, &val, sizeof(u16));
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}
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static int tcpci_set_cc(struct tcpc_dev *tcpc, enum typec_cc_status cc)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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unsigned int reg;
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int ret;
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switch (cc) {
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case TYPEC_CC_RA:
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reg = (TCPC_ROLE_CTRL_CC_RA << TCPC_ROLE_CTRL_CC1_SHIFT) |
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(TCPC_ROLE_CTRL_CC_RA << TCPC_ROLE_CTRL_CC2_SHIFT);
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break;
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case TYPEC_CC_RD:
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reg = (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC1_SHIFT) |
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(TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC2_SHIFT);
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break;
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case TYPEC_CC_RP_DEF:
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reg = (TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC1_SHIFT) |
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(TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC2_SHIFT) |
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(TCPC_ROLE_CTRL_RP_VAL_DEF <<
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TCPC_ROLE_CTRL_RP_VAL_SHIFT);
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break;
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case TYPEC_CC_RP_1_5:
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reg = (TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC1_SHIFT) |
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(TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC2_SHIFT) |
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(TCPC_ROLE_CTRL_RP_VAL_1_5 <<
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TCPC_ROLE_CTRL_RP_VAL_SHIFT);
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break;
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case TYPEC_CC_RP_3_0:
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reg = (TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC1_SHIFT) |
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(TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC2_SHIFT) |
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(TCPC_ROLE_CTRL_RP_VAL_3_0 <<
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TCPC_ROLE_CTRL_RP_VAL_SHIFT);
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break;
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case TYPEC_CC_OPEN:
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default:
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reg = (TCPC_ROLE_CTRL_CC_OPEN << TCPC_ROLE_CTRL_CC1_SHIFT) |
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(TCPC_ROLE_CTRL_CC_OPEN << TCPC_ROLE_CTRL_CC2_SHIFT);
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break;
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}
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ret = regmap_write(tcpci->regmap, TCPC_ROLE_CTRL, reg);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int tcpci_start_toggling(struct tcpc_dev *tcpc,
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enum typec_port_type port_type,
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enum typec_cc_status cc)
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{
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int ret;
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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unsigned int reg = TCPC_ROLE_CTRL_DRP;
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if (port_type != TYPEC_PORT_DRP)
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return -EOPNOTSUPP;
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/* Handle vendor drp toggling */
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if (tcpci->data->start_drp_toggling) {
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ret = tcpci->data->start_drp_toggling(tcpci, tcpci->data, cc);
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if (ret < 0)
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return ret;
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}
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switch (cc) {
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default:
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case TYPEC_CC_RP_DEF:
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reg |= (TCPC_ROLE_CTRL_RP_VAL_DEF <<
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TCPC_ROLE_CTRL_RP_VAL_SHIFT);
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break;
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case TYPEC_CC_RP_1_5:
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reg |= (TCPC_ROLE_CTRL_RP_VAL_1_5 <<
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TCPC_ROLE_CTRL_RP_VAL_SHIFT);
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break;
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case TYPEC_CC_RP_3_0:
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reg |= (TCPC_ROLE_CTRL_RP_VAL_3_0 <<
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TCPC_ROLE_CTRL_RP_VAL_SHIFT);
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break;
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}
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if (cc == TYPEC_CC_RD)
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reg |= (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC1_SHIFT) |
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(TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC2_SHIFT);
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else
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reg |= (TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC1_SHIFT) |
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(TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC2_SHIFT);
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ret = regmap_write(tcpci->regmap, TCPC_ROLE_CTRL, reg);
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if (ret < 0)
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return ret;
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return regmap_write(tcpci->regmap, TCPC_COMMAND,
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TCPC_CMD_LOOK4CONNECTION);
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}
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static enum typec_cc_status tcpci_to_typec_cc(unsigned int cc, bool sink)
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{
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switch (cc) {
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case 0x1:
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return sink ? TYPEC_CC_RP_DEF : TYPEC_CC_RA;
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case 0x2:
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return sink ? TYPEC_CC_RP_1_5 : TYPEC_CC_RD;
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case 0x3:
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if (sink)
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return TYPEC_CC_RP_3_0;
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/* fall through */
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case 0x0:
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default:
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return TYPEC_CC_OPEN;
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}
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}
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static int tcpci_get_cc(struct tcpc_dev *tcpc,
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enum typec_cc_status *cc1, enum typec_cc_status *cc2)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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unsigned int reg, role_control;
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int ret;
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ret = regmap_read(tcpci->regmap, TCPC_ROLE_CTRL, &role_control);
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if (ret < 0)
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return ret;
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ret = regmap_read(tcpci->regmap, TCPC_CC_STATUS, ®);
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if (ret < 0)
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return ret;
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*cc1 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC1_SHIFT) &
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TCPC_CC_STATUS_CC1_MASK,
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reg & TCPC_CC_STATUS_TERM ||
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tcpc_presenting_cc1_rd(role_control));
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*cc2 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC2_SHIFT) &
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TCPC_CC_STATUS_CC2_MASK,
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reg & TCPC_CC_STATUS_TERM ||
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tcpc_presenting_cc2_rd(role_control));
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return 0;
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}
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static int tcpci_set_polarity(struct tcpc_dev *tcpc,
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enum typec_cc_polarity polarity)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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unsigned int reg;
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int ret;
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enum typec_cc_status cc1, cc2;
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/* Obtain Rp setting from role control */
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ret = regmap_read(tcpci->regmap, TCPC_ROLE_CTRL, ®);
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if (ret < 0)
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return ret;
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ret = tcpci_get_cc(tcpc, &cc1, &cc2);
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if (ret < 0)
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return ret;
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/*
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* When port has drp toggling enabled, ROLE_CONTROL would only have the initial
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* terminations for the toggling and does not indicate the final cc
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* terminations when ConnectionResult is 0 i.e. drp toggling stops and
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* the connection is resolbed. Infer port role from TCPC_CC_STATUS based on the
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* terminations seen. The port role is then used to set the cc terminations.
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*/
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if (reg & TCPC_ROLE_CTRL_DRP) {
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/* Disable DRP for the OPEN setting to take effect */
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reg = reg & ~TCPC_ROLE_CTRL_DRP;
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if (polarity == TYPEC_POLARITY_CC2) {
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reg &= ~(TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT);
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/* Local port is source */
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if (cc2 == TYPEC_CC_RD)
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/* Role control would have the Rp setting when DRP was enabled */
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reg |= TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC2_SHIFT;
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else
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reg |= TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC2_SHIFT;
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} else {
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reg &= ~(TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT);
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/* Local port is source */
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if (cc1 == TYPEC_CC_RD)
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/* Role control would have the Rp setting when DRP was enabled */
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reg |= TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC1_SHIFT;
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else
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reg |= TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC1_SHIFT;
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}
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}
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if (polarity == TYPEC_POLARITY_CC2)
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reg |= TCPC_ROLE_CTRL_CC_OPEN << TCPC_ROLE_CTRL_CC1_SHIFT;
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else
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reg |= TCPC_ROLE_CTRL_CC_OPEN << TCPC_ROLE_CTRL_CC2_SHIFT;
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ret = regmap_write(tcpci->regmap, TCPC_ROLE_CTRL, reg);
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if (ret < 0)
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return ret;
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return regmap_write(tcpci->regmap, TCPC_TCPC_CTRL,
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(polarity == TYPEC_POLARITY_CC2) ?
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TCPC_TCPC_CTRL_ORIENTATION : 0);
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}
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static int tcpci_set_vconn(struct tcpc_dev *tcpc, bool enable)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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int ret;
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/* Handle vendor set vconn */
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if (tcpci->data->set_vconn) {
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ret = tcpci->data->set_vconn(tcpci, tcpci->data, enable);
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if (ret < 0)
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return ret;
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}
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return regmap_update_bits(tcpci->regmap, TCPC_POWER_CTRL,
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TCPC_POWER_CTRL_VCONN_ENABLE,
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enable ? TCPC_POWER_CTRL_VCONN_ENABLE : 0);
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}
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static int tcpci_set_roles(struct tcpc_dev *tcpc, bool attached,
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enum typec_role role, enum typec_data_role data)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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unsigned int reg;
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int ret;
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reg = PD_REV20 << TCPC_MSG_HDR_INFO_REV_SHIFT;
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if (role == TYPEC_SOURCE)
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reg |= TCPC_MSG_HDR_INFO_PWR_ROLE;
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if (data == TYPEC_HOST)
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reg |= TCPC_MSG_HDR_INFO_DATA_ROLE;
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ret = regmap_write(tcpci->regmap, TCPC_MSG_HDR_INFO, reg);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int tcpci_set_pd_rx(struct tcpc_dev *tcpc, bool enable)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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unsigned int reg = 0;
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int ret;
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if (enable)
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reg = TCPC_RX_DETECT_SOP | TCPC_RX_DETECT_HARD_RESET;
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ret = regmap_write(tcpci->regmap, TCPC_RX_DETECT, reg);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int tcpci_get_vbus(struct tcpc_dev *tcpc)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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unsigned int reg;
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int ret;
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ret = regmap_read(tcpci->regmap, TCPC_POWER_STATUS, ®);
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if (ret < 0)
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return ret;
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return !!(reg & TCPC_POWER_STATUS_VBUS_PRES);
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}
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static int tcpci_set_vbus(struct tcpc_dev *tcpc, bool source, bool sink)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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int ret;
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/* Disable both source and sink first before enabling anything */
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if (!source) {
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ret = regmap_write(tcpci->regmap, TCPC_COMMAND,
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TCPC_CMD_DISABLE_SRC_VBUS);
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if (ret < 0)
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return ret;
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}
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if (!sink) {
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ret = regmap_write(tcpci->regmap, TCPC_COMMAND,
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TCPC_CMD_DISABLE_SINK_VBUS);
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if (ret < 0)
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return ret;
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}
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if (source) {
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ret = regmap_write(tcpci->regmap, TCPC_COMMAND,
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TCPC_CMD_SRC_VBUS_DEFAULT);
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if (ret < 0)
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return ret;
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}
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if (sink) {
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ret = regmap_write(tcpci->regmap, TCPC_COMMAND,
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TCPC_CMD_SINK_VBUS);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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static int tcpci_pd_transmit(struct tcpc_dev *tcpc,
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enum tcpm_transmit_type type,
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const struct pd_message *msg)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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u16 header = msg ? le16_to_cpu(msg->header) : 0;
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unsigned int reg, cnt;
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int ret;
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cnt = msg ? pd_header_cnt(header) * 4 : 0;
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ret = regmap_write(tcpci->regmap, TCPC_TX_BYTE_CNT, cnt + 2);
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if (ret < 0)
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return ret;
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ret = tcpci_write16(tcpci, TCPC_TX_HDR, header);
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if (ret < 0)
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return ret;
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if (cnt > 0) {
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ret = regmap_raw_write(tcpci->regmap, TCPC_TX_DATA,
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&msg->payload, cnt);
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if (ret < 0)
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return ret;
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}
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reg = (PD_RETRY_COUNT << TCPC_TRANSMIT_RETRY_SHIFT) |
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(type << TCPC_TRANSMIT_TYPE_SHIFT);
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ret = regmap_write(tcpci->regmap, TCPC_TRANSMIT, reg);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int tcpci_init(struct tcpc_dev *tcpc)
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{
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struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
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unsigned long timeout = jiffies + msecs_to_jiffies(2000); /* XXX */
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unsigned int reg;
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int ret;
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while (time_before_eq(jiffies, timeout)) {
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ret = regmap_read(tcpci->regmap, TCPC_POWER_STATUS, ®);
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if (ret < 0)
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return ret;
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if (!(reg & TCPC_POWER_STATUS_UNINIT))
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break;
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usleep_range(10000, 20000);
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}
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if (time_after(jiffies, timeout))
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return -ETIMEDOUT;
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/* Handle vendor init */
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if (tcpci->data->init) {
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ret = tcpci->data->init(tcpci, tcpci->data);
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if (ret < 0)
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return ret;
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}
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/* Clear all events */
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ret = tcpci_write16(tcpci, TCPC_ALERT, 0xffff);
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if (ret < 0)
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return ret;
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if (tcpci->controls_vbus)
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reg = TCPC_POWER_STATUS_VBUS_PRES;
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else
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reg = 0;
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ret = regmap_write(tcpci->regmap, TCPC_POWER_STATUS_MASK, reg);
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if (ret < 0)
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return ret;
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/* Enable Vbus detection */
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ret = regmap_write(tcpci->regmap, TCPC_COMMAND,
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TCPC_CMD_ENABLE_VBUS_DETECT);
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if (ret < 0)
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return ret;
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reg = TCPC_ALERT_TX_SUCCESS | TCPC_ALERT_TX_FAILED |
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TCPC_ALERT_TX_DISCARDED | TCPC_ALERT_RX_STATUS |
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TCPC_ALERT_RX_HARD_RST | TCPC_ALERT_CC_STATUS;
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if (tcpci->controls_vbus)
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reg |= TCPC_ALERT_POWER_STATUS;
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return tcpci_write16(tcpci, TCPC_ALERT_MASK, reg);
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}
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irqreturn_t tcpci_irq(struct tcpci *tcpci)
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{
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u16 status;
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tcpci_read16(tcpci, TCPC_ALERT, &status);
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/*
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* Clear alert status for everything except RX_STATUS, which shouldn't
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* be cleared until we have successfully retrieved message.
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*/
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if (status & ~TCPC_ALERT_RX_STATUS)
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tcpci_write16(tcpci, TCPC_ALERT,
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status & ~TCPC_ALERT_RX_STATUS);
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if (status & TCPC_ALERT_CC_STATUS)
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tcpm_cc_change(tcpci->port);
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if (status & TCPC_ALERT_POWER_STATUS) {
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unsigned int reg;
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regmap_read(tcpci->regmap, TCPC_POWER_STATUS_MASK, ®);
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/*
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* If power status mask has been reset, then the TCPC
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* has reset.
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*/
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if (reg == 0xff)
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tcpm_tcpc_reset(tcpci->port);
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else
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tcpm_vbus_change(tcpci->port);
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}
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if (status & TCPC_ALERT_RX_STATUS) {
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struct pd_message msg;
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unsigned int cnt, payload_cnt;
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u16 header;
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regmap_read(tcpci->regmap, TCPC_RX_BYTE_CNT, &cnt);
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/*
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* 'cnt' corresponds to READABLE_BYTE_COUNT in section 4.4.14
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* of the TCPCI spec [Rev 2.0 Ver 1.0 October 2017] and is
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* defined in table 4-36 as one greater than the number of
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* bytes received. And that number includes the header. So:
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*/
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if (cnt > 3)
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payload_cnt = cnt - (1 + sizeof(msg.header));
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else
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payload_cnt = 0;
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tcpci_read16(tcpci, TCPC_RX_HDR, &header);
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msg.header = cpu_to_le16(header);
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if (WARN_ON(payload_cnt > sizeof(msg.payload)))
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payload_cnt = sizeof(msg.payload);
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if (payload_cnt > 0)
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regmap_raw_read(tcpci->regmap, TCPC_RX_DATA,
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&msg.payload, payload_cnt);
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/* Read complete, clear RX status alert bit */
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tcpci_write16(tcpci, TCPC_ALERT, TCPC_ALERT_RX_STATUS);
|
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tcpm_pd_receive(tcpci->port, &msg);
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}
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if (status & TCPC_ALERT_RX_HARD_RST)
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tcpm_pd_hard_reset(tcpci->port);
|
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if (status & TCPC_ALERT_TX_SUCCESS)
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tcpm_pd_transmit_complete(tcpci->port, TCPC_TX_SUCCESS);
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else if (status & TCPC_ALERT_TX_DISCARDED)
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tcpm_pd_transmit_complete(tcpci->port, TCPC_TX_DISCARDED);
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else if (status & TCPC_ALERT_TX_FAILED)
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tcpm_pd_transmit_complete(tcpci->port, TCPC_TX_FAILED);
|
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return IRQ_HANDLED;
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}
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EXPORT_SYMBOL_GPL(tcpci_irq);
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static irqreturn_t _tcpci_irq(int irq, void *dev_id)
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{
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struct tcpci_chip *chip = dev_id;
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return tcpci_irq(chip->tcpci);
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}
|
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static const struct regmap_config tcpci_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
|
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.max_register = 0x7F, /* 0x80 .. 0xFF are vendor defined */
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};
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static int tcpci_parse_config(struct tcpci *tcpci)
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{
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tcpci->controls_vbus = true; /* XXX */
|
|
tcpci->tcpc.fwnode = device_get_named_child_node(tcpci->dev,
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"connector");
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if (!tcpci->tcpc.fwnode) {
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dev_err(tcpci->dev, "Can't find connector node.\n");
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return -EINVAL;
|
}
|
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return 0;
|
}
|
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struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data)
|
{
|
struct tcpci *tcpci;
|
int err;
|
|
tcpci = devm_kzalloc(dev, sizeof(*tcpci), GFP_KERNEL);
|
if (!tcpci)
|
return ERR_PTR(-ENOMEM);
|
|
tcpci->dev = dev;
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tcpci->data = data;
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tcpci->regmap = data->regmap;
|
|
tcpci->tcpc.init = tcpci_init;
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tcpci->tcpc.get_vbus = tcpci_get_vbus;
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tcpci->tcpc.set_vbus = tcpci_set_vbus;
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tcpci->tcpc.set_cc = tcpci_set_cc;
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tcpci->tcpc.get_cc = tcpci_get_cc;
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tcpci->tcpc.set_polarity = tcpci_set_polarity;
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tcpci->tcpc.set_vconn = tcpci_set_vconn;
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tcpci->tcpc.start_toggling = tcpci_start_toggling;
|
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tcpci->tcpc.set_pd_rx = tcpci_set_pd_rx;
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tcpci->tcpc.set_roles = tcpci_set_roles;
|
tcpci->tcpc.pd_transmit = tcpci_pd_transmit;
|
|
err = tcpci_parse_config(tcpci);
|
if (err < 0)
|
return ERR_PTR(err);
|
|
tcpci->port = tcpm_register_port(tcpci->dev, &tcpci->tcpc);
|
if (IS_ERR(tcpci->port))
|
return ERR_CAST(tcpci->port);
|
|
return tcpci;
|
}
|
EXPORT_SYMBOL_GPL(tcpci_register_port);
|
|
void tcpci_unregister_port(struct tcpci *tcpci)
|
{
|
tcpm_unregister_port(tcpci->port);
|
}
|
EXPORT_SYMBOL_GPL(tcpci_unregister_port);
|
|
static int tcpci_probe(struct i2c_client *client,
|
const struct i2c_device_id *i2c_id)
|
{
|
struct tcpci_chip *chip;
|
int err;
|
u16 val = 0;
|
|
chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
|
if (!chip)
|
return -ENOMEM;
|
|
chip->data.regmap = devm_regmap_init_i2c(client, &tcpci_regmap_config);
|
if (IS_ERR(chip->data.regmap))
|
return PTR_ERR(chip->data.regmap);
|
|
i2c_set_clientdata(client, chip);
|
|
/* Disable chip interrupts before requesting irq */
|
err = regmap_raw_write(chip->data.regmap, TCPC_ALERT_MASK, &val,
|
sizeof(u16));
|
if (err < 0)
|
return err;
|
|
chip->tcpci = tcpci_register_port(&client->dev, &chip->data);
|
if (IS_ERR(chip->tcpci))
|
return PTR_ERR(chip->tcpci);
|
|
err = devm_request_threaded_irq(&client->dev, client->irq, NULL,
|
_tcpci_irq,
|
IRQF_ONESHOT | IRQF_TRIGGER_LOW,
|
dev_name(&client->dev), chip);
|
if (err < 0) {
|
tcpci_unregister_port(chip->tcpci);
|
return err;
|
}
|
|
return 0;
|
}
|
|
static int tcpci_remove(struct i2c_client *client)
|
{
|
struct tcpci_chip *chip = i2c_get_clientdata(client);
|
int err;
|
|
/* Disable chip interrupts before unregistering port */
|
err = tcpci_write16(chip->tcpci, TCPC_ALERT_MASK, 0);
|
if (err < 0)
|
return err;
|
|
tcpci_unregister_port(chip->tcpci);
|
|
return 0;
|
}
|
|
static const struct i2c_device_id tcpci_id[] = {
|
{ "tcpci", 0 },
|
{ }
|
};
|
MODULE_DEVICE_TABLE(i2c, tcpci_id);
|
|
#ifdef CONFIG_OF
|
static const struct of_device_id tcpci_of_match[] = {
|
{ .compatible = "nxp,ptn5110", },
|
{},
|
};
|
MODULE_DEVICE_TABLE(of, tcpci_of_match);
|
#endif
|
|
static struct i2c_driver tcpci_i2c_driver = {
|
.driver = {
|
.name = "tcpci",
|
.of_match_table = of_match_ptr(tcpci_of_match),
|
},
|
.probe = tcpci_probe,
|
.remove = tcpci_remove,
|
.id_table = tcpci_id,
|
};
|
module_i2c_driver(tcpci_i2c_driver);
|
|
MODULE_DESCRIPTION("USB Type-C Port Controller Interface driver");
|
MODULE_LICENSE("GPL");
|
