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/role.h (3538B)

// SPDX-License-Identifier: GPL-2.0

#ifndef __LINUX_USB_ROLE_H
#define __LINUX_USB_ROLE_H

#include <linux/device.h>

struct usb_role_switch;

enum usb_role {
	USB_ROLE_NONE,
	USB_ROLE_HOST,
	USB_ROLE_DEVICE,
};

typedef int (*usb_role_switch_set_t)(struct usb_role_switch *sw,
				     enum usb_role role);
typedef enum usb_role (*usb_role_switch_get_t)(struct usb_role_switch *sw);

/**
 * struct usb_role_switch_desc - USB Role Switch Descriptor
 * @fwnode: The device node to be associated with the role switch
 * @usb2_port: Optional reference to the host controller port device (USB2)
 * @usb3_port: Optional reference to the host controller port device (USB3)
 * @udc: Optional reference to the peripheral controller device
 * @set: Callback for setting the role
 * @get: Callback for getting the role (optional)
 * @allow_userspace_control: If true userspace may change the role through sysfs
 * @driver_data: Private data pointer
 * @name: Name for the switch (optional)
 *
 * @usb2_port and @usb3_port will point to the USB host port and @udc to the USB
 * device controller behind the USB connector with the role switch. If
 * @usb2_port, @usb3_port and @udc are included in the description, the
 * reference count for them should be incremented by the caller of
 * usb_role_switch_register() before registering the switch.
 */
struct usb_role_switch_desc {
	struct fwnode_handle *fwnode;
	struct device *usb2_port;
	struct device *usb3_port;
	struct device *udc;
	usb_role_switch_set_t set;
	usb_role_switch_get_t get;
	bool allow_userspace_control;
	void *driver_data;
	const char *name;
};

#if IS_ENABLED(CONFIG_USB_ROLE_SWITCH)
int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role);
enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw);
struct usb_role_switch *usb_role_switch_get(struct device *dev);
struct usb_role_switch *fwnode_usb_role_switch_get(struct fwnode_handle *node);
void usb_role_switch_put(struct usb_role_switch *sw);

struct usb_role_switch *
usb_role_switch_find_by_fwnode(const struct fwnode_handle *fwnode);

struct usb_role_switch *
usb_role_switch_register(struct device *parent,
			 const struct usb_role_switch_desc *desc);
void usb_role_switch_unregister(struct usb_role_switch *sw);

void usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data);
void *usb_role_switch_get_drvdata(struct usb_role_switch *sw);
const char *usb_role_string(enum usb_role role);
#else
static inline int usb_role_switch_set_role(struct usb_role_switch *sw,
		enum usb_role role)
{
	return 0;
}

static inline enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)
{
	return USB_ROLE_NONE;
}

static inline struct usb_role_switch *usb_role_switch_get(struct device *dev)
{
	return ERR_PTR(-ENODEV);
}

static inline struct usb_role_switch *
fwnode_usb_role_switch_get(struct fwnode_handle *node)
{
	return ERR_PTR(-ENODEV);
}

static inline void usb_role_switch_put(struct usb_role_switch *sw) { }

static inline struct usb_role_switch *
usb_role_switch_register(struct device *parent,
			 const struct usb_role_switch_desc *desc)
{
	return ERR_PTR(-ENODEV);
}

static inline void usb_role_switch_unregister(struct usb_role_switch *sw) { }

static inline void
usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data)
{
}

static inline void *usb_role_switch_get_drvdata(struct usb_role_switch *sw)
{
	return NULL;
}

static inline const char *usb_role_string(enum usb_role role)
{
	return "unknown";
}

#endif

#endif /* __LINUX_USB_ROLE_H */

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