/* 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 correspondig 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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association.h | File | 4.59 KB | 0644 |
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atmel_usba_udc.h | File | 421 B | 0644 |
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audio-v2.h | File | 13.17 KB | 0644 |
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audio.h | File | 1.23 KB | 0644 |
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c67x00.h | File | 1.82 KB | 0644 |
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cdc-wdm.h | File | 651 B | 0644 |
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cdc.h | File | 1.48 KB | 0644 |
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cdc_ncm.h | File | 5.56 KB | 0644 |
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ch9.h | File | 2.5 KB | 0644 |
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chipidea.h | File | 2.77 KB | 0644 |
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composite.h | File | 25.17 KB | 0644 |
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ehci-dbgp.h | File | 2.05 KB | 0644 |
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ehci_def.h | File | 7.89 KB | 0644 |
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ehci_pdriver.h | File | 2.31 KB | 0644 |
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ezusb.h | File | 286 B | 0644 |
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functionfs.h | File | 151 B | 0644 |
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g_hid.h | File | 1.13 KB | 0644 |
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gadget.h | File | 32.65 KB | 0644 |
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gadget_configfs.h | File | 2.94 KB | 0644 |
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gpio_vbus.h | File | 1.13 KB | 0644 |
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hcd.h | File | 25.93 KB | 0644 |
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input.h | File | 716 B | 0644 |
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iowarrior.h | File | 1.34 KB | 0644 |
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irda.h | File | 3.76 KB | 0644 |
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isp116x.h | File | 1.13 KB | 0644 |
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isp1301.h | File | 2.38 KB | 0644 |
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isp1362.h | File | 1.59 KB | 0644 |
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isp1760.h | File | 633 B | 0644 |
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m66592.h | File | 1.41 KB | 0644 |
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musb-ux500.h | File | 899 B | 0644 |
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musb.h | File | 4.59 KB | 0644 |
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net2280.h | File | 23.55 KB | 0644 |
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of.h | File | 1.46 KB | 0644 |
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ohci_pdriver.h | File | 1.71 KB | 0644 |
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otg-fsm.h | File | 8.61 KB | 0644 |
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otg.h | File | 3.01 KB | 0644 |
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pd.h | File | 8.98 KB | 0644 |
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pd_bdo.h | File | 1011 B | 0644 |
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pd_vdo.h | File | 7.58 KB | 0644 |
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phy.h | File | 9.25 KB | 0644 |
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phy_companion.h | File | 1.17 KB | 0644 |
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quirks.h | File | 2.34 KB | 0644 |
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r8a66597.h | File | 17.65 KB | 0644 |
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renesas_usbhs.h | File | 4.76 KB | 0644 |
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rndis_host.h | File | 5.94 KB | 0644 |
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samsung_usb_phy.h | File | 530 B | 0644 |
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serial.h | File | 17.12 KB | 0644 |
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sl811.h | File | 838 B | 0644 |
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storage.h | File | 2.58 KB | 0644 |
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tcpm.h | File | 6.46 KB | 0644 |
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tegra_usb_phy.h | File | 2.38 KB | 0644 |
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tilegx.h | File | 983 B | 0644 |
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typec.h | File | 7.04 KB | 0644 |
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uas.h | File | 2.07 KB | 0644 |
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ulpi.h | File | 1.99 KB | 0644 |
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usb338x.h | File | 7.63 KB | 0644 |
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usb_phy_generic.h | File | 892 B | 0644 |
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usbnet.h | File | 10.01 KB | 0644 |
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wusb-wa.h | File | 7.5 KB | 0644 |
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wusb.h | File | 9.92 KB | 0644 |
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xhci-dbgp.h | File | 825 B | 0644 |
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