// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for Analogix ANX7411 USB Type-C and PD controller
*
* Copyright(c) 2022, Analogix Semiconductor. All rights reserved.
*
*/
#include <linux/bitfield.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/of_graph.h>
#include <linux/of_platform.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/usb/pd.h>
#include <linux/usb/role.h>
#include <linux/usb/tcpci.h>
#include <linux/usb/typec.h>
#include <linux/usb/typec_dp.h>
#include <linux/usb/typec_mux.h>
#include <linux/workqueue.h>
#include <linux/power_supply.h>
#define TCPC_ADDRESS1 0x58
#define TCPC_ADDRESS2 0x56
#define TCPC_ADDRESS3 0x54
#define TCPC_ADDRESS4 0x52
#define SPI_ADDRESS1 0x7e
#define SPI_ADDRESS2 0x6e
#define SPI_ADDRESS3 0x64
#define SPI_ADDRESS4 0x62
struct anx7411_i2c_select {
u8 tcpc_address;
u8 spi_address;
};
#define VID_ANALOGIX 0x1F29
#define PID_ANALOGIX 0x7411
/* TCPC register define */
#define ANALOG_CTRL_10 0xAA
#define STATUS_LEN 2
#define ALERT_0 0xCB
#define RECEIVED_MSG BIT(7)
#define SOFTWARE_INT BIT(6)
#define MSG_LEN 32
#define HEADER_LEN 2
#define MSG_HEADER 0x00
#define MSG_TYPE 0x01
#define MSG_RAWDATA 0x02
#define MSG_LEN_MASK 0x1F
#define ALERT_1 0xCC
#define INTP_POW_ON BIT(7)
#define INTP_POW_OFF BIT(6)
#define VBUS_THRESHOLD_H 0xDD
#define VBUS_THRESHOLD_L 0xDE
#define FW_CTRL_0 0xF0
#define UNSTRUCT_VDM_EN BIT(0)
#define DELAY_200MS BIT(1)
#define VSAFE0 0
#define VSAFE1 BIT(2)
#define VSAFE2 BIT(3)
#define VSAFE3 (BIT(2) | BIT(3))
#define FRS_EN BIT(7)
#define FW_PARAM 0xF1
#define DONGLE_IOP BIT(0)
#define FW_CTRL_2 0xF7
#define SINK_CTRL_DIS_FLAG BIT(5)
/* SPI register define */
#define OCM_CTRL_0 0x6E
#define OCM_RESET BIT(6)
#define MAX_VOLTAGE 0xAC
#define MAX_POWER 0xAD
#define MIN_POWER 0xAE
#define REQUEST_VOLTAGE 0xAF
#define VOLTAGE_UNIT 100 /* mV per unit */
#define REQUEST_CURRENT 0xB1
#define CURRENT_UNIT 50 /* mA per unit */
#define CMD_SEND_BUF 0xC0
#define CMD_RECV_BUF 0xE0
#define REQ_VOL_20V_IN_100MV 0xC8
#define REQ_CUR_2_25A_IN_50MA 0x2D
#define REQ_CUR_3_25A_IN_50MA 0x41
#define DEF_5V 5000
#define DEF_1_5A 1500
#define LOBYTE(w) ((u8)((w) & 0xFF))
#define HIBYTE(w) ((u8)(((u16)(w) >> 8) & 0xFF))
enum anx7411_typec_message_type {
TYPE_SRC_CAP = 0x00,
TYPE_SNK_CAP = 0x01,
TYPE_SNK_IDENTITY = 0x02,
TYPE_SVID = 0x03,
TYPE_SET_SNK_DP_CAP = 0x08,
TYPE_PSWAP_REQ = 0x10,
TYPE_DSWAP_REQ = 0x11,
TYPE_VDM = 0x14,
TYPE_OBJ_REQ = 0x16,
TYPE_DP_ALT_ENTER = 0x19,
TYPE_DP_DISCOVER_MODES_INFO = 0x27,
TYPE_GET_DP_CONFIG = 0x29,
TYPE_DP_CONFIGURE = 0x2A,
TYPE_GET_DP_DISCOVER_MODES_INFO = 0x2E,
TYPE_GET_DP_ALT_ENTER = 0x2F,
};
#define FW_CTRL_1 0xB2
#define AUTO_PD_EN BIT(1)
#define TRYSRC_EN BIT(2)
#define TRYSNK_EN BIT(3)
#define FORCE_SEND_RDO BIT(6)
#define FW_VER 0xB4
#define FW_SUBVER 0xB5
#define INT_MASK 0xB6
#define INT_STS 0xB7
#define OCM_BOOT_UP BIT(0)
#define OC_OV_EVENT BIT(1)
#define VCONN_CHANGE BIT(2)
#define VBUS_CHANGE BIT(3)
#define CC_STATUS_CHANGE BIT(4)
#define DATA_ROLE_CHANGE BIT(5)
#define PR_CONSUMER_GOT_POWER BIT(6)
#define HPD_STATUS_CHANGE BIT(7)
#define SYSTEM_STSTUS 0xB8
/* 0: SINK off; 1: SINK on */
#define SINK_STATUS BIT(1)
/* 0: VCONN off; 1: VCONN on*/
#define VCONN_STATUS BIT(2)
/* 0: vbus off; 1: vbus on*/
#define VBUS_STATUS BIT(3)
/* 1: host; 0:device*/
#define DATA_ROLE BIT(5)
/* 0: Chunking; 1: Unchunked*/
#define SUPPORT_UNCHUNKING BIT(6)
/* 0: HPD low; 1: HPD high*/
#define HPD_STATUS BIT(7)
#define DATA_DFP 1
#define DATA_UFP 2
#define POWER_SOURCE 1
#define POWER_SINK 2
#define CC_STATUS 0xB9
#define CC1_RD BIT(0)
#define CC2_RD BIT(4)
#define CC1_RA BIT(1)
#define CC2_RA BIT(5)
#define CC1_RD BIT(0)
#define CC1_RP(cc) (((cc) >> 2) & 0x03)
#define CC2_RP(cc) (((cc) >> 6) & 0x03)
#define PD_REV_INIT 0xBA
#define PD_EXT_MSG_CTRL 0xBB
#define SRC_CAP_EXT_REPLY BIT(0)
#define MANUFACTURER_INFO_REPLY BIT(1)
#define BATTERY_STS_REPLY BIT(2)
#define BATTERY_CAP_REPLY BIT(3)
#define ALERT_REPLY BIT(4)
#define STATUS_REPLY BIT(5)
#define PPS_STATUS_REPLY BIT(6)
#define SNK_CAP_EXT_REPLY BIT(7)
#define NO_CONNECT 0x00
#define USB3_1_CONNECTED 0x01
#define DP_ALT_4LANES 0x02
#define USB3_1_DP_2LANES 0x03
#define CC1_CONNECTED 0x01
#define CC2_CONNECTED 0x02
#define SELECT_PIN_ASSIGMENT_C 0x04
#define SELECT_PIN_ASSIGMENT_D 0x08
#define SELECT_PIN_ASSIGMENT_E 0x10
#define SELECT_PIN_ASSIGMENT_U 0x00
#define REDRIVER_ADDRESS 0x20
#define REDRIVER_OFFSET 0x00
#define DP_SVID 0xFF01
#define VDM_ACK 0x40
#define VDM_CMD_RES 0x00
#define VDM_CMD_DIS_ID 0x01
#define VDM_CMD_DIS_SVID 0x02
#define VDM_CMD_DIS_MOD 0x03
#define VDM_CMD_ENTER_MODE 0x04
#define VDM_CMD_EXIT_MODE 0x05
#define VDM_CMD_ATTENTION 0x06
#define VDM_CMD_GET_STS 0x10
#define VDM_CMD_AND_ACK_MASK 0x5F
#define MAX_ALTMODE 2
#define HAS_SOURCE_CAP BIT(0)
#define HAS_SINK_CAP BIT(1)
#define HAS_SINK_WATT BIT(2)
enum anx7411_psy_state {
/* copy from drivers/usb/typec/tcpm */
ANX7411_PSY_OFFLINE = 0,
ANX7411_PSY_FIXED_ONLINE,
/* private */
/* PD keep in, but disconnct power to bq25700,
* this state can be active when higher capacity adapter plug in,
* and change to ONLINE state when higher capacity adapter plug out
*/
ANX7411_PSY_HANG = 0xff,
};
struct typec_params {
int request_current; /* ma */
int request_voltage; /* mv */
int cc_connect;
int cc_orientation_valid;
int cc_status;
int data_role;
int power_role;
int vconn_role;
int dp_altmode_enter;
int cust_altmode_enter;
struct usb_role_switch *role_sw;
struct typec_port *port;
struct typec_partner *partner;
struct typec_mux_dev *typec_mux;
struct typec_switch_dev *typec_switch;
struct typec_altmode *amode[MAX_ALTMODE];
struct typec_altmode *port_amode[MAX_ALTMODE];
struct typec_displayport_data data;
int pin_assignment;
struct typec_capability caps;
u32 src_pdo[PDO_MAX_OBJECTS];
u32 sink_pdo[PDO_MAX_OBJECTS];
u8 caps_flags;
u8 src_pdo_nr;
u8 sink_pdo_nr;
u8 sink_watt;
u8 sink_voltage;
};
#define MAX_BUF_LEN 30
struct fw_msg {
u8 msg_len;
u8 msg_type;
u8 buf[MAX_BUF_LEN];
} __packed;
struct anx7411_data {
int fw_version;
int fw_subversion;
struct i2c_client *tcpc_client;
struct i2c_client *spi_client;
struct fw_msg send_msg;
struct fw_msg recv_msg;
struct gpio_desc *intp_gpiod;
struct fwnode_handle *connector_fwnode;
struct typec_params typec;
int intp_irq;
struct work_struct work;
struct workqueue_struct *workqueue;
/* Lock for interrupt work queue */
struct mutex lock;
enum anx7411_psy_state psy_online;
enum power_supply_usb_type usb_type;
struct power_supply *psy;
struct power_supply_desc psy_desc;
struct device *dev;
};
static u8 snk_identity[] = {
LOBYTE(VID_ANALOGIX), HIBYTE(VID_ANALOGIX), 0x00, 0x82, /* snk_id_hdr */
0x00, 0x00, 0x00, 0x00, /* snk_cert */
0x00, 0x00, LOBYTE(PID_ANALOGIX), HIBYTE(PID_ANALOGIX), /* 5snk_ama */
};
static u8 dp_caps[4] = {0xC6, 0x00, 0x00, 0x00};
static int anx7411_reg_read(struct i2c_client *client,
u8 reg_addr)
{
return i2c_smbus_read_byte_data(client, reg_addr);
}
static int anx7411_reg_block_read(struct i2c_client *client,
u8 reg_addr, u8 len, u8 *buf)
{
return i2c_smbus_read_i2c_block_data(client, reg_addr, len, buf);
}
static int anx7411_reg_write(struct i2c_client *client,
u8 reg_addr, u8 reg_val)
{
return i2c_smbus_write_byte_data(client, reg_addr, reg_val);
}
static int anx7411_reg_block_write(struct i2c_client *client,
u8 reg_addr, u8 len, u8 *buf)
{
return i2c_smbus_write_i2c_block_data(client, reg_addr, len, buf);
}
static struct anx7411_i2c_select anx7411_i2c_addr[] = {
{TCPC_ADDRESS1, SPI_ADDRESS1},
{TCPC_ADDRESS2, SPI_ADDRESS2},
{TCPC_ADDRESS3, SPI_ADDRESS3},
{TCPC_ADDRESS4, SPI_ADDRESS4},
};
static int anx7411_detect_power_mode(struct anx7411_data *ctx)
{
int ret;
int mode;
ret = anx7411_reg_read(ctx->spi_client, REQUEST_CURRENT);
if (ret < 0)
return ret;
ctx->typec.request_current = ret * CURRENT_UNIT; /* 50ma per unit */
ret = anx7411_reg_read(ctx->spi_client, REQUEST_VOLTAGE);
if (ret < 0)
return ret;
ctx->typec.request_voltage = ret * VOLTAGE_UNIT; /* 100mv per unit */
if (ctx->psy_online == ANX7411_PSY_OFFLINE) {
ctx->psy_online = ANX7411_PSY_FIXED_ONLINE;
ctx->usb_type = POWER_SUPPLY_USB_TYPE_PD;
power_supply_changed(ctx->psy);
}
if (!ctx->typec.cc_orientation_valid)
return 0;
if (ctx->typec.cc_connect == CC1_CONNECTED)
mode = CC1_RP(ctx->typec.cc_status);
else
mode = CC2_RP(ctx->typec.cc_status);
if (mode) {
typec_set_pwr_opmode(ctx->typec.port, mode - 1);
return 0;
}
typec_set_pwr_opmode(ctx->typec.port, TYPEC_PWR_MODE_PD);
return 0;
}
static int anx7411_register_partner(struct anx7411_data *ctx,
int pd, int accessory)
{
struct typec_partner_desc desc;
struct typec_partner *partner;
if (ctx->typec.partner)
return 0;
desc.usb_pd = pd;
desc.accessory = accessory;
desc.identity = NULL;
partner = typec_register_partner(ctx->typec.port, &desc);
if (IS_ERR(partner))
return PTR_ERR(partner);
ctx->typec.partner = partner;
return 0;
}
static int anx7411_detect_cc_orientation(struct anx7411_data *ctx)
{
struct device *dev = &ctx->spi_client->dev;
int ret;
int cc1_rd, cc2_rd;
int cc1_ra, cc2_ra;
int cc1_rp, cc2_rp;
ret = anx7411_reg_read(ctx->spi_client, CC_STATUS);
if (ret < 0)
return ret;
ctx->typec.cc_status = ret;
cc1_rd = ret & CC1_RD ? 1 : 0;
cc2_rd = ret & CC2_RD ? 1 : 0;
cc1_ra = ret & CC1_RA ? 1 : 0;
cc2_ra = ret & CC2_RA ? 1 : 0;
cc1_rp = CC1_RP(ret);
cc2_rp = CC2_RP(ret);
/* Debug cable, nothing to do */
if (cc1_rd && cc2_rd) {
ctx->typec.cc_orientation_valid = 0;
return anx7411_register_partner(ctx, 0, TYPEC_ACCESSORY_DEBUG);
}
if (cc1_ra && cc2_ra) {
ctx->typec.cc_orientation_valid = 0;
return anx7411_register_partner(ctx, 0, TYPEC_ACCESSORY_AUDIO);
}
ctx->typec.cc_orientation_valid = 1;
ret = anx7411_register_partner(ctx, 1, TYPEC_ACCESSORY_NONE);
if (ret) {
dev_err(dev, "register partner\n");
return ret;
}
if (cc1_rd || cc1_rp) {
typec_set_orientation(ctx->typec.port, TYPEC_ORIENTATION_NORMAL);
ctx->typec.cc_connect = CC1_CONNECTED;
}
if (cc2_rd || cc2_rp) {
typec_set_orientation(ctx->typec.port, TYPEC_ORIENTATION_REVERSE);
ctx->typec.cc_connect = CC2_CONNECTED;
}
return 0;
}
static int anx7411_set_mux(struct anx7411_data *ctx, int pin_assignment)
{
int mode = TYPEC_STATE_SAFE;
switch (pin_assignment) {
case SELECT_PIN_ASSIGMENT_U:
/* default 4 line USB 3.1 */
mode = TYPEC_STATE_MODAL;
break;
case SELECT_PIN_ASSIGMENT_C:
case SELECT_PIN_ASSIGMENT_E:
/* 4 line DP */
mode = TYPEC_STATE_SAFE;
break;
case SELECT_PIN_ASSIGMENT_D:
/* 2 line DP, 2 line USB */
mode = TYPEC_MODE_USB3;
break;
default:
mode = TYPEC_STATE_SAFE;
break;
}
ctx->typec.pin_assignment = pin_assignment;
return typec_set_mode(ctx->typec.port, mode);
}
static int anx7411_set_usb_role(struct anx7411_data *ctx, enum usb_role role)
{
if (!ctx->typec.role_sw)
return 0;
return usb_role_switch_set_role(ctx->typec.role_sw, role);
}
static int anx7411_data_role_detect(struct anx7411_data *ctx)
{
int ret;
ret = anx7411_reg_read(ctx->spi_client, SYSTEM_STSTUS);
if (ret < 0)
return ret;
ctx->typec.data_role = (ret & DATA_ROLE) ? TYPEC_HOST : TYPEC_DEVICE;
ctx->typec.vconn_role = (ret & VCONN_STATUS) ? TYPEC_SOURCE : TYPEC_SINK;
typec_set_data_role(ctx->typec.port, ctx->typec.data_role);
typec_set_vconn_role(ctx->typec.port, ctx->typec.vconn_role);
if (ctx->typec.data_role == TYPEC_HOST)
return anx7411_set_usb_role(ctx, USB_ROLE_HOST);
return anx7411_set_usb_role(ctx, USB_ROLE_DEVICE);
}
static int anx7411_power_role_detect(struct anx7411_data *ctx)
{
int ret;
ret = anx7411_reg_read(ctx->spi_client, SYSTEM_STSTUS);
if (ret < 0)
return ret;
ctx->typec.power_role = (ret & SINK_STATUS) ? TYPEC_SINK : TYPEC_SOURCE;
if (ctx->typec.power_role == TYPEC_SOURCE) {
ctx->typec.request_current = DEF_1_5A;
ctx->typec.request_voltage = DEF_5V;
}
typec_set_pwr_role(ctx->typec.port, ctx->typec.power_role);
return 0;
}
static int anx7411_cc_status_detect(struct anx7411_data *ctx)
{
anx7411_detect_cc_orientation(ctx);
anx7411_detect_power_mode(ctx);
return 0;
}
static void anx7411_partner_unregister_altmode(struct anx7411_data *ctx)
{
int i;
ctx->typec.dp_altmode_enter = 0;
ctx->typec.cust_altmode_enter = 0;
for (i = 0; i < MAX_ALTMODE; i++)
if (ctx->typec.amode[i]) {
typec_unregister_altmode(ctx->typec.amode[i]);
ctx->typec.amode[i] = NULL;
}
ctx->typec.pin_assignment = 0;
}
static int anx7411_typec_register_altmode(struct anx7411_data *ctx,
int svid, int vdo)
{
struct device *dev = &ctx->spi_client->dev;
struct typec_altmode_desc desc;
int err;
int i;
desc.svid = svid;
desc.vdo = vdo;
for (i = 0; i < MAX_ALTMODE; i++)
if (!ctx->typec.amode[i])
break;
desc.mode = i + 1; /* start with 1 */
if (i >= MAX_ALTMODE) {
dev_err(dev, "no altmode space for registering\n");
return -ENOMEM;
}
ctx->typec.amode[i] = typec_partner_register_altmode(ctx->typec.partner,
&desc);
if (IS_ERR(ctx->typec.amode[i])) {
dev_err(dev, "failed to register altmode\n");
err = PTR_ERR(ctx->typec.amode[i]);
ctx->typec.amode[i] = NULL;
return err;
}
return 0;
}
static void anx7411_unregister_partner(struct anx7411_data *ctx)
{
if (ctx->typec.partner) {
typec_unregister_partner(ctx->typec.partner);
ctx->typec.partner = NULL;
}
}
static int anx7411_update_altmode(struct anx7411_data *ctx, int svid)
{
int i;
if (svid == DP_SVID)
ctx->typec.dp_altmode_enter = 1;
else
ctx->typec.cust_altmode_enter = 1;
for (i = 0; i < MAX_ALTMODE; i++) {
if (!ctx->typec.amode[i])
continue;
if (ctx->typec.amode[i]->svid == svid) {
typec_altmode_update_active(ctx->typec.amode[i], true);
typec_altmode_notify(ctx->typec.amode[i],
ctx->typec.pin_assignment,
&ctx->typec.data);
break;
}
}
return 0;
}
static int anx7411_register_altmode(struct anx7411_data *ctx,
bool dp_altmode, u8 *buf)
{
int ret;
int svid;
int mid;
if (!ctx->typec.partner)
return 0;
svid = DP_SVID;
if (dp_altmode) {
mid = buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
return anx7411_typec_register_altmode(ctx, svid, mid);
}
svid = (buf[3] << 8) | buf[2];
if ((buf[0] & VDM_CMD_AND_ACK_MASK) != (VDM_ACK | VDM_CMD_ENTER_MODE))
return anx7411_update_altmode(ctx, svid);
if ((buf[0] & VDM_CMD_AND_ACK_MASK) != (VDM_ACK | VDM_CMD_DIS_MOD))
return 0;
mid = buf[4] | (buf[5] << 8) | (buf[6] << 16) | (buf[7] << 24);
ret = anx7411_typec_register_altmode(ctx, svid, mid);
if (ctx->typec.cust_altmode_enter)
ret |= anx7411_update_altmode(ctx, svid);
return ret;
}
static int anx7411_parse_cmd(struct anx7411_data *ctx, u8 type, u8 *buf, u8 len)
{
struct device *dev = &ctx->spi_client->dev;
u8 cur_50ma, vol_100mv;
switch (type) {
case TYPE_SRC_CAP:
cur_50ma = anx7411_reg_read(ctx->spi_client, REQUEST_CURRENT);
vol_100mv = anx7411_reg_read(ctx->spi_client, REQUEST_VOLTAGE);
ctx->typec.request_voltage = vol_100mv * VOLTAGE_UNIT;
ctx->typec.request_current = cur_50ma * CURRENT_UNIT;
ctx->psy_online = ANX7411_PSY_FIXED_ONLINE;
ctx->usb_type = POWER_SUPPLY_USB_TYPE_PD;
power_supply_changed(ctx->psy);
break;
case TYPE_SNK_CAP:
break;
case TYPE_SVID:
break;
case TYPE_SNK_IDENTITY:
break;
case TYPE_GET_DP_ALT_ENTER:
/* DP alt mode enter success */
if (buf[0])
anx7411_update_altmode(ctx, DP_SVID);
break;
case TYPE_DP_ALT_ENTER:
/* Update DP altmode */
anx7411_update_altmode(ctx, DP_SVID);
break;
case TYPE_OBJ_REQ:
anx7411_detect_power_mode(ctx);
break;
case TYPE_DP_CONFIGURE:
anx7411_set_mux(ctx, buf[1]);
break;
case TYPE_DP_DISCOVER_MODES_INFO:
/* Make sure discover modes valid */
if (buf[0] | buf[1])
/* Register DP Altmode */
anx7411_register_altmode(ctx, 1, buf);
break;
case TYPE_VDM:
/* Register other altmode */
anx7411_register_altmode(ctx, 0, buf);
break;
default:
dev_err(dev, "ignore message(0x%.02x).\n", type);
break;
}
return 0;
}
static u8 checksum(struct device *dev, u8 *buf, u8 len)
{
u8 ret = 0;
u8 i;
for (i = 0; i < len; i++)
ret += buf[i];
return ret;
}
static int anx7411_read_msg_ctrl_status(struct i2c_client *client)
{
return anx7411_reg_read(client, CMD_SEND_BUF);
}
static int anx7411_wait_msg_empty(struct i2c_client *client)
{
int val;
return readx_poll_timeout(anx7411_read_msg_ctrl_status,
client, val, (val < 0) || (val == 0),
2000, 2000 * 150);
}
static int anx7411_send_msg(struct anx7411_data *ctx, u8 type, u8 *buf, u8 size)
{
struct device *dev = &ctx->spi_client->dev;
struct fw_msg *msg = &ctx->send_msg;
u8 crc;
int ret;
size = min_t(u8, size, (u8)MAX_BUF_LEN);
memcpy(msg->buf, buf, size);
msg->msg_type = type;
/* msg len equals buffer length + msg_type */
msg->msg_len = size + 1;
/* Do CRC check for all buffer data and msg_len and msg_type */
crc = checksum(dev, (u8 *)msg, size + HEADER_LEN);
msg->buf[size] = 0 - crc;
ret = anx7411_wait_msg_empty(ctx->spi_client);
if (ret)
return ret;
ret = anx7411_reg_block_write(ctx->spi_client,
CMD_SEND_BUF + 1, size + HEADER_LEN,
&msg->msg_type);
ret |= anx7411_reg_write(ctx->spi_client, CMD_SEND_BUF,
msg->msg_len);
return ret;
}
static int anx7411_process_cmd(struct anx7411_data *ctx)
{
struct device *dev = &ctx->spi_client->dev;
struct fw_msg *msg = &ctx->recv_msg;
u8 len;
u8 crc;
int ret;
/* Read message from firmware */
ret = anx7411_reg_block_read(ctx->spi_client, CMD_RECV_BUF,
MSG_LEN, (u8 *)msg);
if (ret < 0)
return 0;
if (!msg->msg_len)
return 0;
ret = anx7411_reg_write(ctx->spi_client, CMD_RECV_BUF, 0);
if (ret)
return ret;
len = msg->msg_len & MSG_LEN_MASK;
crc = checksum(dev, (u8 *)msg, len + HEADER_LEN);
if (crc) {
dev_err(dev, "message error crc(0x%.02x)\n", crc);
return -ERANGE;
}
return anx7411_parse_cmd(ctx, msg->msg_type, msg->buf, len - 1);
}
static void anx7411_translate_payload(struct device *dev, __le32 *payload,
u32 *pdo, int nr, const char *type)
{
int i;
if (nr > PDO_MAX_OBJECTS) {
dev_err(dev, "nr(%d) exceed PDO_MAX_OBJECTS(%d)\n",
nr, PDO_MAX_OBJECTS);
return;
}
for (i = 0; i < nr; i++)
payload[i] = cpu_to_le32(pdo[i]);
}
static int anx7411_config(struct anx7411_data *ctx)
{
struct device *dev = &ctx->spi_client->dev;
struct typec_params *typecp = &ctx->typec;
__le32 payload[PDO_MAX_OBJECTS];
int ret;
/* Config PD FW work under PD 2.0 */
ret = anx7411_reg_write(ctx->spi_client, PD_REV_INIT, PD_REV20);
ret |= anx7411_reg_write(ctx->tcpc_client, FW_CTRL_0,
UNSTRUCT_VDM_EN | DELAY_200MS |
VSAFE1 | FRS_EN);
ret |= anx7411_reg_write(ctx->spi_client, FW_CTRL_1,
AUTO_PD_EN | FORCE_SEND_RDO);
/* Set VBUS current threshold */
ret |= anx7411_reg_write(ctx->tcpc_client, VBUS_THRESHOLD_H, 0xff);
ret |= anx7411_reg_write(ctx->tcpc_client, VBUS_THRESHOLD_L, 0x03);
/* Fix dongle compatible issue */
ret |= anx7411_reg_write(ctx->tcpc_client, FW_PARAM,
anx7411_reg_read(ctx->tcpc_client, FW_PARAM) |
DONGLE_IOP);
ret |= anx7411_reg_write(ctx->spi_client, INT_MASK, 0);
ret |= anx7411_reg_write(ctx->spi_client, PD_EXT_MSG_CTRL, 0xFF);
if (ret)
return ret;
if (typecp->caps_flags & HAS_SOURCE_CAP) {
anx7411_translate_payload(dev, payload, typecp->src_pdo,
typecp->src_pdo_nr, "source");
anx7411_send_msg(ctx, TYPE_SRC_CAP, (u8 *)&payload,
typecp->src_pdo_nr * 4);
anx7411_send_msg(ctx, TYPE_SNK_IDENTITY, snk_identity,
sizeof(snk_identity));
anx7411_send_msg(ctx, TYPE_SET_SNK_DP_CAP, dp_caps,
sizeof(dp_caps));
}
if (typecp->caps_flags & HAS_SINK_CAP) {
anx7411_translate_payload(dev, payload, typecp->sink_pdo,
typecp->sink_pdo_nr, "sink");
anx7411_send_msg(ctx, TYPE_SNK_CAP, (u8 *)&payload,
typecp->sink_pdo_nr * 4);
}
if (typecp->caps_flags & HAS_SINK_WATT) {
if (typecp->sink_watt) {
ret |= anx7411_reg_write(ctx->spi_client, MAX_POWER,
typecp->sink_watt);
/* Set min power to 1W */
ret |= anx7411_reg_write(ctx->spi_client, MIN_POWER, 2);
}
if (typecp->sink_voltage)
ret |= anx7411_reg_write(ctx->spi_client, MAX_VOLTAGE,
typecp->sink_voltage);
if (ret)
return ret;
}
if (!typecp->caps_flags)
usleep_range(5000, 6000);
ctx->fw_version = anx7411_reg_read(ctx->spi_client, FW_VER);
ctx->fw_subversion = anx7411_reg_read(ctx->spi_client, FW_SUBVER);
return 0;
}
static void anx7411_chip_standby(struct anx7411_data *ctx)
{
int ret;
u8 cc1, cc2;
struct device *dev = &ctx->spi_client->dev;
ret = anx7411_reg_write(ctx->spi_client, OCM_CTRL_0,
anx7411_reg_read(ctx->spi_client, OCM_CTRL_0) |
OCM_RESET);
ret |= anx7411_reg_write(ctx->tcpc_client, ANALOG_CTRL_10, 0x80);
/* Set TCPC to RD and DRP enable */
cc1 = FIELD_PREP(TCPC_ROLE_CTRL_CC1, TCPC_ROLE_CTRL_CC_RD);
cc2 = FIELD_PREP(TCPC_ROLE_CTRL_CC2, TCPC_ROLE_CTRL_CC_RD);
ret |= anx7411_reg_write(ctx->tcpc_client, TCPC_ROLE_CTRL,
TCPC_ROLE_CTRL_DRP | cc1 | cc2);
/* Send DRP toggle command */
ret |= anx7411_reg_write(ctx->tcpc_client, TCPC_COMMAND,
TCPC_CMD_LOOK4CONNECTION);
/* Send TCPC enter standby command */
ret |= anx7411_reg_write(ctx->tcpc_client,
TCPC_COMMAND, TCPC_CMD_I2C_IDLE);
if (ret)
dev_err(dev, "Chip standby failed\n");
}
static void anx7411_work_func(struct work_struct *work)
{
int ret;
u8 buf[STATUS_LEN];
u8 int_change; /* Interrupt change */
u8 int_status; /* Firmware status update */
u8 alert0, alert1; /* Interrupt alert source */
struct anx7411_data *ctx = container_of(work, struct anx7411_data, work);
struct device *dev = &ctx->spi_client->dev;
mutex_lock(&ctx->lock);
/* Read interrupt change status */
ret = anx7411_reg_block_read(ctx->spi_client, INT_STS, STATUS_LEN, buf);
if (ret < 0) {
/* Power standby mode, just return */
goto unlock;
}
int_change = buf[0];
int_status = buf[1];
/* Read alert register */
ret = anx7411_reg_block_read(ctx->tcpc_client, ALERT_0, STATUS_LEN, buf);
if (ret < 0)
goto unlock;
alert0 = buf[0];
alert1 = buf[1];
/* Clear interrupt and alert status */
ret = anx7411_reg_write(ctx->spi_client, INT_STS, 0);
ret |= anx7411_reg_write(ctx->tcpc_client, ALERT_0, alert0);
ret |= anx7411_reg_write(ctx->tcpc_client, ALERT_1, alert1);
if (ret)
goto unlock;
if (alert1 & INTP_POW_OFF) {
anx7411_partner_unregister_altmode(ctx);
if (anx7411_set_usb_role(ctx, USB_ROLE_NONE))
dev_err(dev, "Set usb role\n");
anx7411_unregister_partner(ctx);
ctx->psy_online = ANX7411_PSY_OFFLINE;
ctx->usb_type = POWER_SUPPLY_USB_TYPE_C;
ctx->typec.request_voltage = 0;
ctx->typec.request_current = 0;
power_supply_changed(ctx->psy);
anx7411_chip_standby(ctx);
goto unlock;
}
if ((alert0 & SOFTWARE_INT) && (int_change & OCM_BOOT_UP)) {
if (anx7411_config(ctx))
dev_err(dev, "Config failed\n");
if (anx7411_data_role_detect(ctx))
dev_err(dev, "set PD data role\n");
if (anx7411_power_role_detect(ctx))
dev_err(dev, "set PD power role\n");
anx7411_set_mux(ctx, SELECT_PIN_ASSIGMENT_C);
}
if (alert0 & RECEIVED_MSG)
anx7411_process_cmd(ctx);
ret = (int_status & DATA_ROLE) ? TYPEC_HOST : TYPEC_DEVICE;
if (ctx->typec.data_role != ret)
if (anx7411_data_role_detect(ctx))
dev_err(dev, "set PD data role\n");
ret = (int_status & SINK_STATUS) ? TYPEC_SINK : TYPEC_SOURCE;
if (ctx->typec.power_role != ret)
if (anx7411_power_role_detect(ctx))
dev_err(dev, "set PD power role\n");
if ((alert0 & SOFTWARE_INT) && (int_change & CC_STATUS_CHANGE))
anx7411_cc_status_detect(ctx);
unlock:
mutex_unlock(&ctx->lock);
}
static irqreturn_t anx7411_intr_isr(int irq, void *data)
{
struct anx7411_data *ctx = (struct anx7411_data *)data;
queue_work(ctx->workqueue, &ctx->work);
return IRQ_HANDLED;
}
static int anx7411_register_i2c_dummy_clients(struct anx7411_data *ctx,
struct i2c_client *client)
{
int i;
u8 spi_addr;
for (i = 0; i < ARRAY_SIZE(anx7411_i2c_addr); i++) {
if (client->addr == (anx7411_i2c_addr[i].tcpc_address >> 1)) {
spi_addr = anx7411_i2c_addr[i].spi_address >> 1;
ctx->spi_client = i2c_new_dummy_device(client->adapter,
spi_addr);
if (!IS_ERR(ctx->spi_client))
return 0;
}
}
dev_err(&client->dev, "unable to get SPI slave\n");
return -ENOMEM;
}
static void anx7411_port_unregister_altmodes(struct typec_altmode **adev)
{
int i;
for (i = 0; i < MAX_ALTMODE; i++)
if (adev[i]) {
typec_unregister_altmode(adev[i]);
adev[i] = NULL;
}
}
static int anx7411_usb_mux_set(struct typec_mux_dev *mux,
struct typec_mux_state *state)
{
struct anx7411_data *ctx = typec_mux_get_drvdata(mux);
struct device *dev = &ctx->spi_client->dev;
int has_dp;
has_dp = (state->alt && state->alt->svid == USB_TYPEC_DP_SID &&
state->alt->mode == USB_TYPEC_DP_MODE);
if (!has_dp)
dev_err(dev, "dp altmode not register\n");
return 0;
}
static int anx7411_usb_set_orientation(struct typec_switch_dev *sw,
enum typec_orientation orientation)
{
/* No need set */
return 0;
}
static int anx7411_register_switch(struct anx7411_data *ctx,
struct device *dev,
struct fwnode_handle *fwnode)
{
struct typec_switch_desc sw_desc = { };
sw_desc.fwnode = fwnode;
sw_desc.drvdata = ctx;
sw_desc.name = fwnode_get_name(fwnode);
sw_desc.set = anx7411_usb_set_orientation;
ctx->typec.typec_switch = typec_switch_register(dev, &sw_desc);
if (IS_ERR(ctx->typec.typec_switch)) {
dev_err(dev, "switch register failed\n");
return PTR_ERR(ctx->typec.typec_switch);
}
return 0;
}
static int anx7411_register_mux(struct anx7411_data *ctx,
struct device *dev,
struct fwnode_handle *fwnode)
{
struct typec_mux_desc mux_desc = { };
mux_desc.fwnode = fwnode;
mux_desc.drvdata = ctx;
mux_desc.name = fwnode_get_name(fwnode);
mux_desc.set = anx7411_usb_mux_set;
ctx->typec.typec_mux = typec_mux_register(dev, &mux_desc);
if (IS_ERR(ctx->typec.typec_mux)) {
dev_err(dev, "mux register failed\n");
return PTR_ERR(ctx->typec.typec_mux);
}
return 0;
}
static void anx7411_unregister_mux(struct anx7411_data *ctx)
{
if (ctx->typec.typec_mux) {
typec_mux_unregister(ctx->typec.typec_mux);
ctx->typec.typec_mux = NULL;
}
}
static void anx7411_unregister_switch(struct anx7411_data *ctx)
{
if (ctx->typec.typec_switch) {
typec_switch_unregister(ctx->typec.typec_switch);
ctx->typec.typec_switch = NULL;
}
}
static int anx7411_typec_switch_probe(struct anx7411_data *ctx,
struct device *dev)
{
int ret;
struct device_node *node;
node = of_get_child_by_name(dev->of_node, "orientation_switch");
if (!node)
return 0;
ret = anx7411_register_switch(ctx, dev, &node->fwnode);
if (ret) {
dev_err(dev, "failed register switch");
return ret;
}
node = of_get_child_by_name(dev->of_node, "mode_switch");
if (!node) {
dev_err(dev, "no typec mux exist");
ret = -ENODEV;
goto unregister_switch;
}
ret = anx7411_register_mux(ctx, dev, &node->fwnode);
if (ret) {
dev_err(dev, "failed register mode switch");
ret = -ENODEV;
goto unregister_switch;
}
return 0;
unregister_switch:
anx7411_unregister_switch(ctx);
return ret;
}
static int anx7411_typec_port_probe(struct anx7411_data *ctx,
struct device *dev)
{
struct typec_capability *cap = &ctx->typec.caps;
struct typec_params *typecp = &ctx->typec;
struct fwnode_handle *fwnode;
const char *buf;
int ret, i;
fwnode = device_get_named_child_node(dev, "connector");
if (!fwnode)
return -EINVAL;
ret = fwnode_property_read_string(fwnode, "power-role", &buf);
if (ret) {
dev_err(dev, "power-role not found: %d\n", ret);
return ret;
}
ret = typec_find_port_power_role(buf);
if (ret < 0)
return ret;
cap->type = ret;
ret = fwnode_property_read_string(fwnode, "data-role", &buf);
if (ret) {
dev_err(dev, "data-role not found: %d\n", ret);
return ret;
}
ret = typec_find_port_data_role(buf);
if (ret < 0)
return ret;
cap->data = ret;
ret = fwnode_property_read_string(fwnode, "try-power-role", &buf);
if (ret) {
dev_err(dev, "try-power-role not found: %d\n", ret);
return ret;
}
ret = typec_find_power_role(buf);
if (ret < 0)
return ret;
cap->prefer_role = ret;
/* Get source pdos */
ret = fwnode_property_count_u32(fwnode, "source-pdos");
if (ret > 0) {
typecp->src_pdo_nr = min_t(u8, ret, PDO_MAX_OBJECTS);
ret = fwnode_property_read_u32_array(fwnode, "source-pdos",
typecp->src_pdo,
typecp->src_pdo_nr);
if (ret < 0) {
dev_err(dev, "source cap validate failed: %d\n", ret);
return -EINVAL;
}
typecp->caps_flags |= HAS_SOURCE_CAP;
}
ret = fwnode_property_count_u32(fwnode, "sink-pdos");
if (ret > 0) {
typecp->sink_pdo_nr = min_t(u8, ret, PDO_MAX_OBJECTS);
ret = fwnode_property_read_u32_array(fwnode, "sink-pdos",
typecp->sink_pdo,
typecp->sink_pdo_nr);
if (ret < 0) {
dev_err(dev, "sink cap validate failed: %d\n", ret);
return -EINVAL;
}
for (i = 0; i < typecp->sink_pdo_nr; i++) {
ret = 0;
switch (pdo_type(typecp->sink_pdo[i])) {
case PDO_TYPE_FIXED:
ret = pdo_fixed_voltage(typecp->sink_pdo[i]);
break;
case PDO_TYPE_BATT:
case PDO_TYPE_VAR:
ret = pdo_max_voltage(typecp->sink_pdo[i]);
break;
case PDO_TYPE_APDO:
default:
ret = 0;
break;
}
/* 100mv per unit */
typecp->sink_voltage = max(5000, ret) / 100;
}
typecp->caps_flags |= HAS_SINK_CAP;
}
if (!fwnode_property_read_u32(fwnode, "op-sink-microwatt", &ret)) {
typecp->sink_watt = ret / 500000; /* 500mw per unit */
typecp->caps_flags |= HAS_SINK_WATT;
}
cap->fwnode = fwnode;
ctx->typec.role_sw = usb_role_switch_get(dev);
if (IS_ERR(ctx->typec.role_sw)) {
dev_err(dev, "USB role switch not found.\n");
ctx->typec.role_sw = NULL;
}
ctx->typec.port = typec_register_port(dev, cap);
if (IS_ERR(ctx->typec.port)) {
ret = PTR_ERR(ctx->typec.port);
ctx->typec.port = NULL;
dev_err(dev, "Failed to register type c port %d\n", ret);
return ret;
}
typec_port_register_altmodes(ctx->typec.port, NULL, ctx,
ctx->typec.port_amode,
MAX_ALTMODE);
return 0;
}
static int anx7411_typec_check_connection(struct anx7411_data *ctx)
{
int ret;
ret = anx7411_reg_read(ctx->spi_client, FW_VER);
if (ret < 0)
return 0; /* No device attached in typec port */
/* Clear interrupt and alert status */
ret = anx7411_reg_write(ctx->spi_client, INT_STS, 0);
ret |= anx7411_reg_write(ctx->tcpc_client, ALERT_0, 0xFF);
ret |= anx7411_reg_write(ctx->tcpc_client, ALERT_1, 0xFF);
if (ret)
return ret;
ret = anx7411_cc_status_detect(ctx);
ret |= anx7411_power_role_detect(ctx);
ret |= anx7411_data_role_detect(ctx);
ret |= anx7411_set_mux(ctx, SELECT_PIN_ASSIGMENT_C);
if (ret)
return ret;
ret = anx7411_send_msg(ctx, TYPE_GET_DP_ALT_ENTER, NULL, 0);
ret |= anx7411_send_msg(ctx, TYPE_GET_DP_DISCOVER_MODES_INFO, NULL, 0);
return ret;
}
static int __maybe_unused anx7411_runtime_pm_suspend(struct device *dev)
{
struct anx7411_data *ctx = dev_get_drvdata(dev);
mutex_lock(&ctx->lock);
anx7411_partner_unregister_altmode(ctx);
if (ctx->typec.partner)
anx7411_unregister_partner(ctx);
mutex_unlock(&ctx->lock);
return 0;
}
static int __maybe_unused anx7411_runtime_pm_resume(struct device *dev)
{
struct anx7411_data *ctx = dev_get_drvdata(dev);
mutex_lock(&ctx->lock);
/* Detect PD connection */
if (anx7411_typec_check_connection(ctx))
dev_err(dev, "check connection");
mutex_unlock(&ctx->lock);
return 0;
}
static const struct dev_pm_ops anx7411_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
SET_RUNTIME_PM_OPS(anx7411_runtime_pm_suspend,
anx7411_runtime_pm_resume, NULL)
};
static void anx7411_get_gpio_irq(struct anx7411_data *ctx)
{
struct device *dev = &ctx->tcpc_client->dev;
ctx->intp_gpiod = devm_gpiod_get_optional(dev, "interrupt", GPIOD_IN);
if (IS_ERR_OR_NULL(ctx->intp_gpiod)) {
dev_err(dev, "no interrupt gpio property\n");
return;
}
ctx->intp_irq = gpiod_to_irq(ctx->intp_gpiod);
if (ctx->intp_irq < 0)
dev_err(dev, "failed to get GPIO IRQ\n");
}
static enum power_supply_property anx7411_psy_props[] = {
POWER_SUPPLY_PROP_USB_TYPE,
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_VOLTAGE_MIN,
POWER_SUPPLY_PROP_VOLTAGE_MAX,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CURRENT_MAX,
POWER_SUPPLY_PROP_CURRENT_NOW,
};
static int anx7411_psy_set_prop(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *val)
{
struct anx7411_data *ctx = power_supply_get_drvdata(psy);
int ret = 0;
if (psp == POWER_SUPPLY_PROP_ONLINE)
ctx->psy_online = val->intval;
else
ret = -EINVAL;
power_supply_changed(ctx->psy);
return ret;
}
static int anx7411_psy_prop_writeable(struct power_supply *psy,
enum power_supply_property psp)
{
return psp == POWER_SUPPLY_PROP_ONLINE;
}
static int anx7411_psy_get_prop(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct anx7411_data *ctx = power_supply_get_drvdata(psy);
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_USB_TYPE:
val->intval = ctx->usb_type;
break;
case POWER_SUPPLY_PROP_ONLINE:
val->intval = ctx->psy_online;
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
case POWER_SUPPLY_PROP_VOLTAGE_MIN:
case POWER_SUPPLY_PROP_VOLTAGE_MAX:
val->intval = (ctx->psy_online) ?
ctx->typec.request_voltage * 1000 : 0;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
case POWER_SUPPLY_PROP_CURRENT_MAX:
val->intval = (ctx->psy_online) ?
ctx->typec.request_current * 1000 : 0;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int anx7411_psy_register(struct anx7411_data *ctx)
{
struct power_supply_desc *psy_desc = &ctx->psy_desc;
struct power_supply_config psy_cfg = {};
char *psy_name;
psy_name = devm_kasprintf(ctx->dev, GFP_KERNEL, "anx7411-source-psy-%s",
dev_name(ctx->dev));
if (!psy_name)
return -ENOMEM;
psy_desc->name = psy_name;
psy_desc->type = POWER_SUPPLY_TYPE_USB;
psy_desc->usb_types = BIT(POWER_SUPPLY_USB_TYPE_C) |
BIT(POWER_SUPPLY_USB_TYPE_PD) |
BIT(POWER_SUPPLY_USB_TYPE_PD_PPS);
psy_desc->properties = anx7411_psy_props;
psy_desc->num_properties = ARRAY_SIZE(anx7411_psy_props);
psy_desc->get_property = anx7411_psy_get_prop;
psy_desc->set_property = anx7411_psy_set_prop;
psy_desc->property_is_writeable = anx7411_psy_prop_writeable;
ctx->usb_type = POWER_SUPPLY_USB_TYPE_C;
ctx->psy = devm_power_supply_register(ctx->dev, psy_desc, &psy_cfg);
if (IS_ERR(ctx->psy))
dev_warn(ctx->dev, "unable to register psy\n");
return PTR_ERR_OR_ZERO(ctx->psy);
}
static int anx7411_i2c_probe(struct i2c_client *client)
{
struct anx7411_data *plat;
struct device *dev = &client->dev;
int ret;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
return -ENODEV;
plat = devm_kzalloc(dev, sizeof(*plat), GFP_KERNEL);
if (!plat)
return -ENOMEM;
plat->tcpc_client = client;
i2c_set_clientdata(client, plat);
mutex_init(&plat->lock);
ret = anx7411_register_i2c_dummy_clients(plat, client);
if (ret) {
dev_err(dev, "fail to reserve I2C bus\n");
return ret;
}
ret = anx7411_typec_switch_probe(plat, dev);
if (ret) {
dev_err(dev, "fail to probe typec switch\n");
goto free_i2c_dummy;
}
ret = anx7411_typec_port_probe(plat, dev);
if (ret) {
dev_err(dev, "fail to probe typec property.\n");
ret = -ENODEV;
goto free_typec_switch;
}
plat->intp_irq = client->irq;
if (!client->irq)
anx7411_get_gpio_irq(plat);
if (!plat->intp_irq) {
dev_err(dev, "fail to get interrupt IRQ\n");
ret = -EINVAL;
goto free_typec_port;
}
plat->dev = dev;
plat->psy_online = ANX7411_PSY_OFFLINE;
ret = anx7411_psy_register(plat);
if (ret) {
dev_err(dev, "register psy\n");
goto free_typec_port;
}
INIT_WORK(&plat->work, anx7411_work_func);
plat->workqueue = alloc_workqueue("anx7411_work",
WQ_FREEZABLE |
WQ_MEM_RECLAIM,
1);
if (!plat->workqueue) {
dev_err(dev, "fail to create work queue\n");
ret = -ENOMEM;
goto free_typec_port;
}
ret = devm_request_threaded_irq(dev, plat->intp_irq,
NULL, anx7411_intr_isr,
IRQF_TRIGGER_FALLING |
IRQF_ONESHOT,
"anx7411-intp", plat);
if (ret) {
dev_err(dev, "fail to request irq\n");
goto free_wq;
}
if (anx7411_typec_check_connection(plat))
dev_err(dev, "check status\n");
pm_runtime_enable(dev);
return 0;
free_wq:
destroy_workqueue(plat->workqueue);
free_typec_port:
typec_unregister_port(plat->typec.port);
anx7411_port_unregister_altmodes(plat->typec.port_amode);
free_typec_switch:
anx7411_unregister_switch(plat);
anx7411_unregister_mux(plat);
free_i2c_dummy:
i2c_unregister_device(plat->spi_client);
return ret;
}
static void anx7411_i2c_remove(struct i2c_client *client)
{
struct anx7411_data *plat = i2c_get_clientdata(client);
anx7411_partner_unregister_altmode(plat);
anx7411_unregister_partner(plat);
if (plat->workqueue)
destroy_workqueue(plat->workqueue);
i2c_unregister_device(plat->spi_client);
if (plat->typec.role_sw)
usb_role_switch_put(plat->typec.role_sw);
anx7411_unregister_mux(plat);
anx7411_unregister_switch(plat);
if (plat->typec.port)
typec_unregister_port(plat->typec.port);
anx7411_port_unregister_altmodes(plat->typec.port_amode);
}
static const struct i2c_device_id anx7411_id[] = {
{ "anx7411" },
{}
};
MODULE_DEVICE_TABLE(i2c, anx7411_id);
static const struct of_device_id anx_match_table[] = {
{.compatible = "analogix,anx7411",},
{},
};
MODULE_DEVICE_TABLE(of, anx_match_table);
static struct i2c_driver anx7411_driver = {
.driver = {
.name = "anx7411",
.of_match_table = anx_match_table,
.pm = &anx7411_pm_ops,
},
.probe = anx7411_i2c_probe,
.remove = anx7411_i2c_remove,
.id_table = anx7411_id,
};
module_i2c_driver(anx7411_driver);
MODULE_DESCRIPTION("Anx7411 USB Type-C PD driver");
MODULE_AUTHOR("Xin Ji <[email protected]>");
MODULE_LICENSE("GPL");
MODULE_VERSION("0.1.5");
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