300 lines
9.4 KiB
C
300 lines
9.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* usb notify header
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*
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* Copyright (C) 2011-2022 Samsung, Inc.
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* Author: Dongrak Shin <dongrak.shin@samsung.com>
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*
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*/
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/* usb notify layer v3.7 */
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#ifndef __LINUX_USB_NOTIFY_H__
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#define __LINUX_USB_NOTIFY_H__
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#include <linux/notifier.h>
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#include <linux/host_notify.h>
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#include <linux/external_notify.h>
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#include <linux/usblog_proc_notify.h>
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#if defined(CONFIG_USB_HW_PARAM)
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#include <linux/usb_hw_param.h>
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#endif
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#include <linux/usb.h>
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enum otg_notify_events {
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NOTIFY_EVENT_NONE,
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NOTIFY_EVENT_VBUS,
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NOTIFY_EVENT_HOST,
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NOTIFY_EVENT_CHARGER,
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NOTIFY_EVENT_SMARTDOCK_TA,
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NOTIFY_EVENT_SMARTDOCK_USB,
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NOTIFY_EVENT_AUDIODOCK,
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NOTIFY_EVENT_LANHUB,
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NOTIFY_EVENT_LANHUB_TA,
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NOTIFY_EVENT_MMDOCK,
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NOTIFY_EVENT_HMT,
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NOTIFY_EVENT_GAMEPAD,
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NOTIFY_EVENT_POGO,
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NOTIFY_EVENT_HOST_RELOAD,
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NOTIFY_EVENT_DRIVE_VBUS,
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NOTIFY_EVENT_ALL_DISABLE,
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NOTIFY_EVENT_HOST_DISABLE,
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NOTIFY_EVENT_CLIENT_DISABLE,
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NOTIFY_EVENT_MDM_ON_OFF,
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NOTIFY_EVENT_OVERCURRENT,
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NOTIFY_EVENT_SMSC_OVC,
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NOTIFY_EVENT_SMTD_EXT_CURRENT,
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NOTIFY_EVENT_MMD_EXT_CURRENT,
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NOTIFY_EVENT_HMD_EXT_CURRENT,
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NOTIFY_EVENT_DEVICE_CONNECT,
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NOTIFY_EVENT_GAMEPAD_CONNECT,
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NOTIFY_EVENT_LANHUB_CONNECT,
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NOTIFY_EVENT_POWER_SOURCE,
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NOTIFY_EVENT_PD_CONTRACT,
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NOTIFY_EVENT_VBUS_RESET,
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NOTIFY_EVENT_RESERVE_BOOSTER,
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NOTIFY_EVENT_USB_CABLE,
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NOTIFY_EVENT_USBD_SUSPENDED,
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NOTIFY_EVENT_USBD_UNCONFIGURED,
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NOTIFY_EVENT_USBD_CONFIGURED,
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NOTIFY_EVENT_VBUSPOWER,
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NOTIFY_EVENT_DR_SWAP,
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NOTIFY_EVENT_VIRTUAL,
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};
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#define VIRT_EVENT(a) (a+NOTIFY_EVENT_VIRTUAL)
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#define PHY_EVENT(a) (a%NOTIFY_EVENT_VIRTUAL)
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#define IS_VIRTUAL(a) (a >= NOTIFY_EVENT_VIRTUAL ? 1 : 0)
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enum otg_notify_event_status {
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NOTIFY_EVENT_DISABLED,
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NOTIFY_EVENT_DISABLING,
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NOTIFY_EVENT_ENABLED,
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NOTIFY_EVENT_ENABLING,
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NOTIFY_EVENT_BLOCKED,
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NOTIFY_EVENT_BLOCKING,
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};
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enum otg_notify_evt_type {
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NOTIFY_EVENT_EXTRA = (1 << 0),
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NOTIFY_EVENT_STATE = (1 << 1),
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NOTIFY_EVENT_DELAY = (1 << 2),
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NOTIFY_EVENT_NEED_VBUSDRIVE = (1 << 3),
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NOTIFY_EVENT_NOBLOCKING = (1 << 4),
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NOTIFY_EVENT_NOSAVE = (1 << 5),
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NOTIFY_EVENT_NEED_HOST = (1 << 6),
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NOTIFY_EVENT_NEED_CLIENT = (1 << 7),
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};
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enum otg_notify_block_type {
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NOTIFY_BLOCK_TYPE_NONE = 0,
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NOTIFY_BLOCK_TYPE_HOST = (1 << 0),
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NOTIFY_BLOCK_TYPE_CLIENT = (1 << 1),
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NOTIFY_BLOCK_TYPE_ALL = (1 << 0 | 1 << 1),
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};
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enum otg_notify_mdm_type {
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NOTIFY_MDM_TYPE_OFF,
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NOTIFY_MDM_TYPE_ON,
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};
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enum otg_notify_gpio {
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NOTIFY_VBUS,
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NOTIFY_REDRIVER,
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};
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enum otg_op_pos {
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NOTIFY_OP_OFF,
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NOTIFY_OP_POST,
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NOTIFY_OP_PRE,
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};
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enum ovc_check_value {
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HNOTIFY_LOW,
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HNOTIFY_HIGH,
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HNOTIFY_INITIAL,
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};
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enum otg_notify_power_role {
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HNOTIFY_SINK,
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HNOTIFY_SOURCE,
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};
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enum otg_notify_data_role {
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HNOTIFY_UFP,
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HNOTIFY_DFP,
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};
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enum usb_certi_type {
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USB_CERTI_UNSUPPORT_ACCESSORY,
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USB_CERTI_NO_RESPONSE,
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USB_CERTI_HUB_DEPTH_EXCEED,
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USB_CERTI_HUB_POWER_EXCEED,
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USB_CERTI_HOST_RESOURCE_EXCEED,
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USB_CERTI_WARM_RESET,
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};
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enum usb_err_type {
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USB_ERR_ABNORMAL_RESET,
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};
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enum usb_itracker_type {
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NOTIFY_USB_CC_REPEAT,
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};
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enum usb_current_state {
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NOTIFY_USB_UNCONFIGURED,
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NOTIFY_USB_SUSPENDED,
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NOTIFY_USB_CONFIGURED,
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};
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enum usb_request_action_type {
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USB_REQUEST_NOTHING,
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USB_REQUEST_DUMPSTATE,
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};
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struct otg_notify {
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int vbus_detect_gpio;
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int redriver_en_gpio;
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int is_wakelock;
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int is_host_wakelock; /*unused field*/
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int unsupport_host;
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int smsc_ovc_poll_sec;
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int auto_drive_vbus;
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int booting_delay_sec;
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int disable_control;
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int device_check_sec;
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int pre_peri_delay_us;
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int booting_delay_sync_usb;
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int (*pre_gpio)(int gpio, int use);
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int (*post_gpio)(int gpio, int use);
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int (*vbus_drive)(bool enable);
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int (*set_host)(bool enable);
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int (*set_peripheral)(bool enable);
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int (*set_charger)(bool enable);
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int (*post_vbus_detect)(bool on);
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int (*set_lanhubta)(int enable);
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int (*set_battcall)(int event, int enable);
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int (*set_chg_current)(int state);
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void (*set_ldo_onoff)(void *data, unsigned int onoff);
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int (*get_gadget_speed)(void);
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int (*is_skip_list)(int index);
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int (*usb_maximum_speed)(int speed);
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void *o_data;
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void *u_notify;
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};
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struct otg_booster {
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char *name;
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int (*booster)(bool enable);
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};
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#if IS_ENABLED(CONFIG_USB_NOTIFY_LAYER)
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extern const char *event_string(enum otg_notify_events event);
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extern const char *status_string(enum otg_notify_event_status status);
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extern void send_usb_mdm_uevent(void);
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extern void send_usb_certi_uevent(int usb_certi);
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extern void send_usb_err_uevent(int usb_certi, int mode);
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extern void send_usb_itracker_uevent(int err_type);
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extern int usb_check_whitelist_for_mdm(struct usb_device *dev);
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extern int usb_otg_restart_accessory(struct usb_device *dev);
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extern void send_otg_notify(struct otg_notify *n,
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unsigned long event, int enable);
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extern int get_typec_status(struct otg_notify *n, int event);
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extern struct otg_booster *find_get_booster(struct otg_notify *n);
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extern int register_booster(struct otg_notify *n, struct otg_booster *b);
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extern int register_ovc_func(struct otg_notify *n,
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int (*check_state)(void *), void *data);
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extern int get_booster(struct otg_notify *n);
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extern int get_usb_mode(struct otg_notify *n);
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extern unsigned long get_cable_type(struct otg_notify *n);
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extern int is_usb_host(struct otg_notify *n);
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extern bool is_blocked(struct otg_notify *n, int type);
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extern bool is_snkdfp_usb_device_connected(struct otg_notify *n);
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extern int get_con_dev_max_speed(struct otg_notify *n);
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extern void set_con_dev_max_speed
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(struct otg_notify *n, int speed);
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extern void set_request_action(struct otg_notify *n, unsigned int request_action);
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extern int is_known_usbaudio(struct usb_device *dev);
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extern void set_usb_audio_cardnum(int card_num, int bundle, int attach);
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extern void send_usb_audio_uevent(struct usb_device *dev,
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int cardnum, int attach);
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extern int send_usb_notify_uevent
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(struct otg_notify *n, char *envp_ext[]);
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#if defined(CONFIG_USB_HW_PARAM)
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extern unsigned long long *get_hw_param(struct otg_notify *n,
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enum usb_hw_param index);
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extern int inc_hw_param(struct otg_notify *n,
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enum usb_hw_param index);
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extern int inc_hw_param_host(struct host_notify_dev *dev,
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enum usb_hw_param index);
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extern int register_hw_param_manager(struct otg_notify *n,
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unsigned long (*fptr)(int));
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#endif
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extern void *get_notify_data(struct otg_notify *n);
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extern void set_notify_data(struct otg_notify *n, void *data);
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extern struct otg_notify *get_otg_notify(void);
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extern void enable_usb_notify(void);
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extern int set_otg_notify(struct otg_notify *n);
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extern void put_otg_notify(struct otg_notify *n);
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#else
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static inline const char *event_string(enum otg_notify_events event)
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{return NULL; }
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static inline const char *status_string(enum otg_notify_event_status status)
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{return NULL; }
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static inline void send_usb_mdm_uevent(void) {}
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static inline void send_usb_certi_uevent(int usb_certi) {}
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static inline void send_usb_err_uevent(int usb_certi, int mode) {}
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static inline void send_usb_itracker_uevent(int err_type) {}
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static inline int usb_check_whitelist_for_mdm(struct usb_device *dev)
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{return 0; }
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static inline int usb_otg_restart_accessory(struct usb_device *dev)
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{return 0; }
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static inline void send_otg_notify(struct otg_notify *n,
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unsigned long event, int enable) { }
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static inline int get_typec_status(struct otg_notify *n, int event) {return 0; }
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static inline struct otg_booster *find_get_booster(struct otg_notify *n)
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{return NULL; }
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static inline int register_booster(struct otg_notify *n,
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struct otg_booster *b) {return 0; }
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static inline int register_ovc_func(struct otg_notify *n,
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int (*check_state)(void *), void *data) {return 0; }
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static inline int get_booster(struct otg_notify *n) {return 0; }
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static inline int get_usb_mode(struct otg_notify *n) {return 0; }
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static inline unsigned long get_cable_type(struct otg_notify *n) {return 0; }
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static inline int is_usb_host(struct otg_notify *n) {return 0; }
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static inline bool is_blocked(struct otg_notify *n, int type) {return false; }
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static inline bool is_snkdfp_usb_device_connected(struct otg_notify *n)
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{return false; }
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static inline int get_con_dev_max_speed(struct otg_notify *n)
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{return 0; }
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static inline void set_con_dev_max_speed
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(struct otg_notify *n, int speed) {}
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static inline void set_request_action
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(struct otg_notify *n, unsigned int request_action) {}
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static inline int is_known_usbaudio(struct usb_device *dev) {return 0; }
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static inline void set_usb_audio_cardnum(int card_num,
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int bundle, int attach) {}
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static inline void send_usb_audio_uevent(struct usb_device *dev,
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int cardnum, int attach) {}
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static inline int send_usb_notify_uevent
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(struct otg_notify *n, char *envp_ext[]) {return 0; }
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#if defined(CONFIG_USB_HW_PARAM)
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static inline unsigned long long *get_hw_param(struct otg_notify *n,
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enum usb_hw_param index) {return NULL; }
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static inline int inc_hw_param(struct otg_notify *n,
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enum usb_hw_param index) {return 0; }
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static inline int inc_hw_param_host(struct host_notify_dev *dev,
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enum usb_hw_param index) {return 0; }
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static inline int register_hw_param_manager(struct otg_notify *n,
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unsigned long (*fptr)(int)) {return 0; }
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#endif
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static inline void *get_notify_data(struct otg_notify *n) {return NULL; }
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static inline void set_notify_data(struct otg_notify *n, void *data) {}
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static inline struct otg_notify *get_otg_notify(void) {return NULL; }
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static inline void enable_usb_notify(void) {}
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static inline int set_otg_notify(struct otg_notify *n) {return 0; }
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static inline void put_otg_notify(struct otg_notify *n) {}
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#endif
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#endif /* __LINUX_USB_NOTIFY_H__ */
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