FM / usb

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/usb/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/usb

Name	Size	Mode	Actions
association.h	4697	0644	edit dl rm
audio-v2.h	13775	0644	edit dl rm
audio-v3.h	14270	0644	edit dl rm
audio.h	1108	0644	edit dl rm
c67x00.h	1867	0644	edit dl rm
ccid.h	787	0644	edit dl rm
cdc-wdm.h	461	0644	edit dl rm
cdc.h	1327	0644	edit dl rm
cdc_ncm.h	5956	0644	edit dl rm
ch9.h	2342	0644	edit dl rm
chipidea.h	3128	0644	edit dl rm
composite.h	25638	0644	edit dl rm
ehci-dbgp.h	2099	0644	edit dl rm
ehci_def.h	8076	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	34335	0644	edit dl rm
gadget_configfs.h	3014	0644	edit dl rm
gpio_vbus.h	1153	0644	edit dl rm
g_hid.h	1158	0644	edit dl rm
hcd.h	28423	0644	edit dl rm
input.h	526	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	1975	0644	edit dl rm
isp1362.h	1628	0644	edit dl rm
m66592.h	773	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	1815	0644	edit dl rm
ohci_pdriver.h	1748	0644	edit dl rm
otg-fsm.h	8823	0644	edit dl rm
otg.h	3080	0644	edit dl rm
pd.h	16539	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	1196	0644	edit dl rm
quirks.h	2403	0644	edit dl rm
r8a66597.h	17398	0644	edit dl rm
r8152.h	970	0644	edit dl rm
renesas_usbhs.h	4322	0644	edit dl rm
rndis_host.h	6080	0644	edit dl rm
role.h	3538	0644	edit dl rm
serial.h	17384	0644	edit dl rm
sl811.h	838	0644	edit dl rm
storage.h	2582	0644	edit dl rm
tcpci.h	7771	0644	edit dl rm
tcpm.h	7009	0644	edit dl rm
tegra_usb_phy.h	2490	0644	edit dl rm
typec.h	10136	0644	edit dl rm
typec_altmode.h	6641	0644	edit dl rm
typec_dp.h	3978	0644	edit dl rm
typec_mux.h	2986	0644	edit dl rm
typec_retimer.h	1198	0644	edit dl rm
typec_tbt.h	1774	0644	edit dl rm
uas.h	2121	0644	edit dl rm
ulpi.h	2147	0644	edit dl rm
usb338x.h	7977	0644	edit dl rm
usbnet.h	10506	0644	edit dl rm
usb_phy_generic.h	582	0644	edit dl rm
uvc.h	6339	0644	edit dl rm
wusb-wa.h	7679	0644	edit dl rm
wusb.h	9586	0644	edit dl rm
xhci-dbgp.h	651	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/usb/otg.h (3080B)

/* SPDX-License-Identifier: GPL-2.0 */
/* USB OTG (On The Go) 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_OTG_H
#define __LINUX_USB_OTG_H

#include <linux/phy/phy.h>
#include <linux/usb/phy.h>

struct usb_otg {
	u8			default_a;

struct phy		*phy;
	/* old usb_phy interface */
	struct usb_phy		*usb_phy;
	struct usb_bus		*host;
	struct usb_gadget	*gadget;

enum usb_otg_state	state;

/* bind/unbind the host controller */
	int	(*set_host)(struct usb_otg *otg, struct usb_bus *host);

/* bind/unbind the peripheral controller */
	int	(*set_peripheral)(struct usb_otg *otg,
					struct usb_gadget *gadget);

/* effective for A-peripheral, ignored for B devices */
	int	(*set_vbus)(struct usb_otg *otg, bool enabled);

/* for B devices only:  start session with A-Host */
	int	(*start_srp)(struct usb_otg *otg);

/* start or continue HNP role switch */
	int	(*start_hnp)(struct usb_otg *otg);

};

/**
 * struct usb_otg_caps - describes the otg capabilities of the device
 * @otg_rev: The OTG revision number the device is compliant with, it's
 *		in binary-coded decimal (i.e. 2.0 is 0200H).
 * @hnp_support: Indicates if the device supports HNP.
 * @srp_support: Indicates if the device supports SRP.
 * @adp_support: Indicates if the device supports ADP.
 */
struct usb_otg_caps {
	u16 otg_rev;
	bool hnp_support;
	bool srp_support;
	bool adp_support;
};

extern const char *usb_otg_state_string(enum usb_otg_state state);

/* Context: can sleep */
static inline int
otg_start_hnp(struct usb_otg *otg)
{
	if (otg && otg->start_hnp)
		return otg->start_hnp(otg);

return -ENOTSUPP;
}

/* Context: can sleep */
static inline int
otg_set_vbus(struct usb_otg *otg, bool enabled)
{
	if (otg && otg->set_vbus)
		return otg->set_vbus(otg, enabled);

return -ENOTSUPP;
}

/* for HCDs */
static inline int
otg_set_host(struct usb_otg *otg, struct usb_bus *host)
{
	if (otg && otg->set_host)
		return otg->set_host(otg, host);

return -ENOTSUPP;
}

/* for usb peripheral controller drivers */

/* Context: can sleep */
static inline int
otg_set_peripheral(struct usb_otg *otg, struct usb_gadget *periph)
{
	if (otg && otg->set_peripheral)
		return otg->set_peripheral(otg, periph);

return -ENOTSUPP;
}

static inline int
otg_start_srp(struct usb_otg *otg)
{
	if (otg && otg->start_srp)
		return otg->start_srp(otg);

return -ENOTSUPP;
}

/* for OTG controller drivers (and maybe other stuff) */
extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num);

enum usb_dr_mode {
	USB_DR_MODE_UNKNOWN,
	USB_DR_MODE_HOST,
	USB_DR_MODE_PERIPHERAL,
	USB_DR_MODE_OTG,
};

/**
 * usb_get_dr_mode - Get dual role mode for given device
 * @dev: Pointer to the given device
 *
 * The function gets phy interface string from property 'dr_mode',
 * and returns the corresponding enum usb_dr_mode
 */
extern enum usb_dr_mode usb_get_dr_mode(struct device *dev);

#endif /* __LINUX_USB_OTG_H */

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