linux/drivers/platform/chrome/wilco_ec/sysfs.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright 2019 Google LLC
 *
 * Sysfs properties to view and modify EC-controlled features on Wilco devices.
 * The entries will appear under /sys/bus/platform/devices/GOOG000C:00/
 *
 * See Documentation/ABI/testing/sysfs-platform-wilco-ec for more information.
 */

#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/platform_data/wilco-ec.h>
#include <linux/string.h>
#include <linux/sysfs.h>
#include <linux/types.h>

#define CMD_KB_CMOS …
#define SUB_CMD_KB_CMOS_AUTO_ON …

struct boot_on_ac_request { … } __packed;

#define CMD_USB_CHARGE …

enum usb_charge_op { … };

struct usb_charge_request { … } __packed;

struct usb_charge_response { … } __packed;

#define CMD_EC_INFO …
enum get_ec_info_op { … };

struct get_ec_info_req { … } __packed;

struct get_ec_info_resp { … } __packed;

static ssize_t boot_on_ac_store(struct device *dev,
				struct device_attribute *attr,
				const char *buf, size_t count)
{ … }

static DEVICE_ATTR_WO(boot_on_ac);

static ssize_t get_info(struct device *dev, char *buf, enum get_ec_info_op op)
{ … }

static ssize_t version_show(struct device *dev, struct device_attribute *attr,
			  char *buf)
{ … }

static DEVICE_ATTR_RO(version);

static ssize_t build_revision_show(struct device *dev,
				   struct device_attribute *attr, char *buf)
{ … }

static DEVICE_ATTR_RO(build_revision);

static ssize_t build_date_show(struct device *dev,
			       struct device_attribute *attr, char *buf)
{ … }

static DEVICE_ATTR_RO(build_date);

static ssize_t model_number_show(struct device *dev,
				 struct device_attribute *attr, char *buf)
{ … }

static DEVICE_ATTR_RO(model_number);

static int send_usb_charge(struct wilco_ec_device *ec,
				struct usb_charge_request *rq,
				struct usb_charge_response *rs)
{ … }

static ssize_t usb_charge_show(struct device *dev,
				    struct device_attribute *attr, char *buf)
{ … }

static ssize_t usb_charge_store(struct device *dev,
				     struct device_attribute *attr,
				     const char *buf, size_t count)
{ … }

static DEVICE_ATTR_RW(usb_charge);

static struct attribute *wilco_dev_attrs[] = …;

static const struct attribute_group wilco_dev_attr_group = …;

int wilco_ec_add_sysfs(struct wilco_ec_device *ec)
{ … }

void wilco_ec_remove_sysfs(struct wilco_ec_device *ec)
{ … }