FM / usb

/usr/src/linux-headers-5.15.0-181/include/linux/usb/

/usr/src/linux-headers-5.15.0-181/include/linux/usb

Name	Size	Mode	Actions
audio-v2.h	14356	0644	edit dl rm
audio-v3.h	14270	0644	edit dl rm
audio.h	1261	0644	edit dl rm
c67x00.h	1867	0644	edit dl rm
ccid.h	787	0644	edit dl rm
cdc-wdm.h	701	0644	edit dl rm
cdc.h	1517	0644	edit dl rm
cdc_ncm.h	5978	0644	edit dl rm
ch9.h	2342	0644	edit dl rm
chipidea.h	3512	0644	edit dl rm
composite.h	26172	0644	edit dl rm
ehci-dbgp.h	2099	0644	edit dl rm
ehci_def.h	8277	0644	edit dl rm
ehci_pdriver.h	2395	0644	edit dl rm
ezusb.h	286	0644	edit dl rm
functionfs.h	151	0644	edit dl rm
gadget.h	37543	0644	edit dl rm
gadget_configfs.h	3014	0644	edit dl rm
g_hid.h	1158	0644	edit dl rm
hcd.h	28343	0644	edit dl rm
input.h	716	0644	edit dl rm
iowarrior.h	1374	0644	edit dl rm
irda.h	3853	0644	edit dl rm
isp116x.h	1160	0644	edit dl rm
isp1301.h	2433	0644	edit dl rm
isp1362.h	1628	0644	edit dl rm
m66592.h	1444	0644	edit dl rm
musb-ux500.h	899	0644	edit dl rm
musb.h	3600	0644	edit dl rm
net2280.h	24120	0644	edit dl rm
of.h	1859	0644	edit dl rm
ohci_pdriver.h	1748	0644	edit dl rm
otg-fsm.h	8823	0644	edit dl rm
otg.h	3158	0644	edit dl rm
pd.h	15254	0644	edit dl rm
pd_ado.h	1191	0644	edit dl rm
pd_bdo.h	555	0644	edit dl rm
pd_ext_sdb.h	698	0644	edit dl rm
pd_vdo.h	16554	0644	edit dl rm
phy.h	8435	0644	edit dl rm
phy_companion.h	1197	0644	edit dl rm
quirks.h	2403	0644	edit dl rm
r8a66597.h	18069	0644	edit dl rm
r8152.h	1067	0644	edit dl rm
renesas_usbhs.h	4303	0644	edit dl rm
rndis_host.h	6080	0644	edit dl rm
role.h	3663	0644	edit dl rm
serial.h	17596	0644	edit dl rm
sl811.h	838	0644	edit dl rm
storage.h	2645	0644	edit dl rm
tcpci.h	6883	0644	edit dl rm
tcpm.h	6614	0644	edit dl rm
tegra_usb_phy.h	2586	0644	edit dl rm
typec.h	9590	0644	edit dl rm
typec_altmode.h	6639	0644	edit dl rm
typec_dp.h	3998	0644	edit dl rm
typec_mux.h	2115	0644	edit dl rm
typec_tbt.h	1774	0644	edit dl rm
uas.h	2121	0644	edit dl rm
ulpi.h	2319	0644	edit dl rm
usb338x.h	7977	0644	edit dl rm
usbnet.h	10825	0644	edit dl rm
usb_phy_generic.h	582	0644	edit dl rm
xhci-dbgp.h	825	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/include/linux/usb/phy.h (8435B)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * USB PHY defines
 *
 * These APIs may be used between USB controllers.  USB device drivers
 * (for either host or peripheral roles) don't use these calls; they
 * continue to use just usb_device and usb_gadget.
 */

#ifndef __LINUX_USB_PHY_H
#define __LINUX_USB_PHY_H

#include <linux/extcon.h>
#include <linux/notifier.h>
#include <linux/usb.h>
#include <uapi/linux/usb/charger.h>

enum usb_phy_interface {
	USBPHY_INTERFACE_MODE_UNKNOWN,
	USBPHY_INTERFACE_MODE_UTMI,
	USBPHY_INTERFACE_MODE_UTMIW,
	USBPHY_INTERFACE_MODE_ULPI,
	USBPHY_INTERFACE_MODE_SERIAL,
	USBPHY_INTERFACE_MODE_HSIC,
};

enum usb_phy_events {
	USB_EVENT_NONE,         /* no events or cable disconnected */
	USB_EVENT_VBUS,         /* vbus valid event */
	USB_EVENT_ID,           /* id was grounded */
	USB_EVENT_CHARGER,      /* usb dedicated charger */
	USB_EVENT_ENUMERATED,   /* gadget driver enumerated */
};

/* associate a type with PHY */
enum usb_phy_type {
	USB_PHY_TYPE_UNDEFINED,
	USB_PHY_TYPE_USB2,
	USB_PHY_TYPE_USB3,
};

/* OTG defines lots of enumeration states before device reset */
enum usb_otg_state {
	OTG_STATE_UNDEFINED = 0,

/* single-role peripheral, and dual-role default-b */
	OTG_STATE_B_IDLE,
	OTG_STATE_B_SRP_INIT,
	OTG_STATE_B_PERIPHERAL,

/* extra dual-role default-b states */
	OTG_STATE_B_WAIT_ACON,
	OTG_STATE_B_HOST,

/* dual-role default-a */
	OTG_STATE_A_IDLE,
	OTG_STATE_A_WAIT_VRISE,
	OTG_STATE_A_WAIT_BCON,
	OTG_STATE_A_HOST,
	OTG_STATE_A_SUSPEND,
	OTG_STATE_A_PERIPHERAL,
	OTG_STATE_A_WAIT_VFALL,
	OTG_STATE_A_VBUS_ERR,
};

struct usb_phy;
struct usb_otg;

/* for phys connected thru an ULPI interface, the user must
 * provide access ops
 */
struct usb_phy_io_ops {
	int (*read)(struct usb_phy *x, u32 reg);
	int (*write)(struct usb_phy *x, u32 val, u32 reg);
};

struct usb_charger_current {
	unsigned int sdp_min;
	unsigned int sdp_max;
	unsigned int dcp_min;
	unsigned int dcp_max;
	unsigned int cdp_min;
	unsigned int cdp_max;
	unsigned int aca_min;
	unsigned int aca_max;
};

struct usb_phy {
	struct device		*dev;
	const char		*label;
	unsigned int		 flags;

enum usb_phy_type	type;
	enum usb_phy_events	last_event;

struct usb_otg		*otg;

struct device		*io_dev;
	struct usb_phy_io_ops	*io_ops;
	void __iomem		*io_priv;

/* to support extcon device */
	struct extcon_dev	*edev;
	struct extcon_dev	*id_edev;
	struct notifier_block	vbus_nb;
	struct notifier_block	id_nb;
	struct notifier_block	type_nb;

/* Support USB charger */
	enum usb_charger_type	chg_type;
	enum usb_charger_state	chg_state;
	struct usb_charger_current	chg_cur;
	struct work_struct		chg_work;

/* for notification of usb_phy_events */
	struct atomic_notifier_head	notifier;

/* to pass extra port status to the root hub */
	u16			port_status;
	u16			port_change;

/* to support controllers that have multiple phys */
	struct list_head	head;

/* initialize/shutdown the phy */
	int	(*init)(struct usb_phy *x);
	void	(*shutdown)(struct usb_phy *x);

/* enable/disable VBUS */
	int	(*set_vbus)(struct usb_phy *x, int on);

/* effective for B devices, ignored for A-peripheral */
	int	(*set_power)(struct usb_phy *x,
				unsigned mA);

/* Set phy into suspend mode */
	int	(*set_suspend)(struct usb_phy *x,
				int suspend);

/*
	 * Set wakeup enable for PHY, in that case, the PHY can be
	 * woken up from suspend status due to external events,
	 * like vbus change, dp/dm change and id.
	 */
	int	(*set_wakeup)(struct usb_phy *x, bool enabled);

/* notify phy connect status change */
	int	(*notify_connect)(struct usb_phy *x,
			enum usb_device_speed speed);
	int	(*notify_disconnect)(struct usb_phy *x,
			enum usb_device_speed speed);

/*
	 * Charger detection method can be implemented if you need to
	 * manually detect the charger type.
	 */
	enum usb_charger_type (*charger_detect)(struct usb_phy *x);
};

/* for board-specific init logic */
extern int usb_add_phy(struct usb_phy *, enum usb_phy_type type);
extern int usb_add_phy_dev(struct usb_phy *);
extern void usb_remove_phy(struct usb_phy *);

/* helpers for direct access thru low-level io interface */
static inline int usb_phy_io_read(struct usb_phy *x, u32 reg)
{
	if (x && x->io_ops && x->io_ops->read)
		return x->io_ops->read(x, reg);

return -EINVAL;
}

static inline int usb_phy_io_write(struct usb_phy *x, u32 val, u32 reg)
{
	if (x && x->io_ops && x->io_ops->write)
		return x->io_ops->write(x, val, reg);

return -EINVAL;
}

static inline int
usb_phy_init(struct usb_phy *x)
{
	if (x && x->init)
		return x->init(x);

return 0;
}

static inline void
usb_phy_shutdown(struct usb_phy *x)
{
	if (x && x->shutdown)
		x->shutdown(x);
}

static inline int
usb_phy_vbus_on(struct usb_phy *x)
{
	if (!x || !x->set_vbus)
		return 0;

return x->set_vbus(x, true);
}

static inline int
usb_phy_vbus_off(struct usb_phy *x)
{
	if (!x || !x->set_vbus)
		return 0;

return x->set_vbus(x, false);
}

/* for usb host and peripheral controller drivers */
#if IS_ENABLED(CONFIG_USB_PHY)
extern struct usb_phy *usb_get_phy(enum usb_phy_type type);
extern struct usb_phy *devm_usb_get_phy(struct device *dev,
	enum usb_phy_type type);
extern struct usb_phy *devm_usb_get_phy_by_phandle(struct device *dev,
	const char *phandle, u8 index);
extern struct usb_phy *devm_usb_get_phy_by_node(struct device *dev,
	struct device_node *node, struct notifier_block *nb);
extern void usb_put_phy(struct usb_phy *);
extern void devm_usb_put_phy(struct device *dev, struct usb_phy *x);
extern void usb_phy_set_event(struct usb_phy *x, unsigned long event);
extern void usb_phy_set_charger_current(struct usb_phy *usb_phy,
					unsigned int mA);
extern void usb_phy_get_charger_current(struct usb_phy *usb_phy,
					unsigned int *min, unsigned int *max);
extern void usb_phy_set_charger_state(struct usb_phy *usb_phy,
				      enum usb_charger_state state);
#else
static inline struct usb_phy *usb_get_phy(enum usb_phy_type type)
{
	return ERR_PTR(-ENXIO);
}

static inline struct usb_phy *devm_usb_get_phy(struct device *dev,
	enum usb_phy_type type)
{
	return ERR_PTR(-ENXIO);
}

static inline struct usb_phy *devm_usb_get_phy_by_phandle(struct device *dev,
	const char *phandle, u8 index)
{
	return ERR_PTR(-ENXIO);
}

static inline struct usb_phy *devm_usb_get_phy_by_node(struct device *dev,
	struct device_node *node, struct notifier_block *nb)
{
	return ERR_PTR(-ENXIO);
}

static inline void usb_put_phy(struct usb_phy *x)
{
}

static inline void devm_usb_put_phy(struct device *dev, struct usb_phy *x)
{
}

static inline void usb_phy_set_event(struct usb_phy *x, unsigned long event)
{
}

static inline void usb_phy_set_charger_current(struct usb_phy *usb_phy,
					       unsigned int mA)
{
}

static inline void usb_phy_get_charger_current(struct usb_phy *usb_phy,
					       unsigned int *min,
					       unsigned int *max)
{
}

static inline void usb_phy_set_charger_state(struct usb_phy *usb_phy,
					     enum usb_charger_state state)
{
}
#endif

static inline int
usb_phy_set_power(struct usb_phy *x, unsigned mA)
{
	if (!x)
		return 0;

usb_phy_set_charger_current(x, mA);

if (x->set_power)
		return x->set_power(x, mA);
	return 0;
}

/* Context: can sleep */
static inline int
usb_phy_set_suspend(struct usb_phy *x, int suspend)
{
	if (x && x->set_suspend != NULL)
		return x->set_suspend(x, suspend);
	else
		return 0;
}

static inline int
usb_phy_set_wakeup(struct usb_phy *x, bool enabled)
{
	if (x && x->set_wakeup)
		return x->set_wakeup(x, enabled);
	else
		return 0;
}

static inline int
usb_phy_notify_connect(struct usb_phy *x, enum usb_device_speed speed)
{
	if (x && x->notify_connect)
		return x->notify_connect(x, speed);
	else
		return 0;
}

static inline int
usb_phy_notify_disconnect(struct usb_phy *x, enum usb_device_speed speed)
{
	if (x && x->notify_disconnect)
		return x->notify_disconnect(x, speed);
	else
		return 0;
}

/* notifiers */
static inline int
usb_register_notifier(struct usb_phy *x, struct notifier_block *nb)
{
	return atomic_notifier_chain_register(&x->notifier, nb);
}

static inline void
usb_unregister_notifier(struct usb_phy *x, struct notifier_block *nb)
{
	atomic_notifier_chain_unregister(&x->notifier, nb);
}

static inline const char *usb_phy_type_string(enum usb_phy_type type)
{
	switch (type) {
	case USB_PHY_TYPE_USB2:
		return "USB2 PHY";
	case USB_PHY_TYPE_USB3:
		return "USB3 PHY";
	default:
		return "UNKNOWN PHY TYPE";
	}
}
#endif /* __LINUX_USB_PHY_H */

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