usb: otg: Move phy interface to separate file.

As otg.h is containing lots of phy interface related
stuff, moving all phy interface related stuff to new
file named phy.h

Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 1 insertions, 197 deletions

diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 16dc520dfbad..65a2b6afe020 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -9,7 +9,7 @@
 #ifndef __LINUX_USB_OTG_H
 #define __LINUX_USB_OTG_H
 
-#include <linux/notifier.h>
+#include <linux/usb/phy.h>
 
 /* OTG defines lots of enumeration states before device reset */
 enum usb_otg_state {
@@ -35,31 +35,6 @@ enum usb_otg_state {
 	OTG_STATE_A_VBUS_ERR,
 };
 
-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_otg {
 	u8			default_a;
 
@@ -85,120 +60,9 @@ struct usb_otg {
 
 };
 
-/*
- * the otg driver needs to interact with both device side and host side
- * usb controllers.  it decides which controller is active at a given
- * moment, using the transceiver, ID signal, HNP and sometimes static
- * configuration information (including "board isn't wired for otg").
- */
-struct usb_phy {
-	struct device		*dev;
-	const char		*label;
-	unsigned int		 flags;
-
-	enum usb_phy_type	type;
-	enum usb_otg_state	state;
-	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;
-
-	/* 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 transceivers */
-	struct list_head	head;
-
-	/* initialize/shutdown the OTG controller */
-	int	(*init)(struct usb_phy *x);
-	void	(*shutdown)(struct usb_phy *x);
-
-	/* 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);
-
-	/* notify phy connect status change */
-	int	(*notify_connect)(struct usb_phy *x, int port);
-	int	(*notify_disconnect)(struct usb_phy *x, int port);
-};
-
-
-/* for board-specific init logic */
-extern int usb_add_phy(struct usb_phy *, enum usb_phy_type type);
-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->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->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->init)
-		return x->init(x);
-
-	return 0;
-}
-
-static inline void
-usb_phy_shutdown(struct usb_phy *x)
-{
-	if (x->shutdown)
-		x->shutdown(x);
-}
-
-/* for usb host and peripheral controller drivers */
 #ifdef CONFIG_USB_OTG_UTILS
-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 void usb_put_phy(struct usb_phy *);
-extern void devm_usb_put_phy(struct device *dev, struct usb_phy *x);
 extern const char *otg_state_string(enum usb_otg_state state);
 #else
-static inline struct usb_phy *usb_get_phy(enum usb_phy_type type)
-{
-	return NULL;
-}
-
-static inline struct usb_phy *devm_usb_get_phy(struct device *dev,
-	enum usb_phy_type type)
-{
-	return NULL;
-}
-
-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 const char *otg_state_string(enum usb_otg_state state)
 {
 	return NULL;
@@ -248,42 +112,6 @@ otg_set_peripheral(struct usb_otg *otg, struct usb_gadget *periph)
 }
 
 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->set_suspend != NULL)
-		return x->set_suspend(x, suspend);
-	else
-		return 0;
-}
-
-static inline int
-usb_phy_notify_connect(struct usb_phy *x, int port)
-{
-	if (x->notify_connect)
-		return x->notify_connect(x, port);
-	else
-		return 0;
-}
-
-static inline int
-usb_phy_notify_disconnect(struct usb_phy *x, int port)
-{
-	if (x->notify_disconnect)
-		return x->notify_disconnect(x, port);
-	else
-		return 0;
-}
-
-static inline int
 otg_start_srp(struct usb_otg *otg)
 {
 	if (otg && otg->start_srp)
@@ -292,31 +120,7 @@ otg_start_srp(struct usb_otg *otg)
 	return -ENOTSUPP;
 }
 
-/* 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);
-}
-
 /* for OTG controller drivers (and maybe other stuff) */
 extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num);
 
-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_OTG_H */