diff options
Diffstat (limited to 'include/usb/phy.h')
| -rw-r--r-- | include/usb/phy.h | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/include/usb/phy.h b/include/usb/phy.h deleted file mode 100644 index 057ad1cd95..0000000000 --- a/include/usb/phy.h +++ /dev/null @@ -1,220 +0,0 @@ -/* 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_PHY_H -#define __LINUX_USB_PHY_H - -#include <notifier.h> -#include <usb/usb.h> -#include <linux/err.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, -}; - -struct usb_phy; - -/* for transceivers 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_phy { - struct device_d *dev; - const char *label; - unsigned int flags; - - enum usb_phy_type type; - enum usb_phy_events last_event; - - struct usb_phy_io_ops *io_ops; - void __iomem *io_priv; - - /* to pass extra port status to the root hub */ - u16 port_status; - u16 port_change; - - /* to support controllers that have multiple transceivers */ - struct list_head head; - - /* initialize/shutdown the OTG controller */ - 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); - - /* for non-OTG B devices: set transceiver 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); -}; - -/** - * struct usb_phy_bind - represent the binding for the phy - * @dev_name: the device name of the device that will bind to the phy - * @phy_dev_name: the device name of the phy - * @index: used if a single controller uses multiple phys - * @phy: reference to the phy - * @list: to maintain a linked list of the binding information - */ -struct usb_phy_bind { - const char *dev_name; - const char *phy_dev_name; - u8 index; - struct usb_phy *phy; - struct list_head list; -}; - -/* 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); -} - -static inline int -usb_phy_set_power(struct usb_phy *x, unsigned mA) -{ - if (x && 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; -} - -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 */ |