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Diffstat (limited to 'include/linux/usb/otg.h')
-rw-r--r--include/linux/usb/otg.h236
1 files changed, 1 insertions, 235 deletions
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 45824be0a2f9..e8a5fe87c6bd 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -9,56 +9,7 @@
#ifndef __LINUX_USB_OTG_H
#define __LINUX_USB_OTG_H
-#include <linux/notifier.h>
-
-/* OTG defines lots of enumeration states before device reset */
-enum usb_otg_state {
- OTG_STATE_UNDEFINED = 0,
-
- /* single-role peripheral, and dual-role default-b */
- OTG_STATE_B_IDLE,
- OTG_STATE_B_SRP_INIT,
- OTG_STATE_B_PERIPHERAL,
-
- /* extra dual-role default-b states */
- OTG_STATE_B_WAIT_ACON,
- OTG_STATE_B_HOST,
-
- /* dual-role default-a */
- OTG_STATE_A_IDLE,
- OTG_STATE_A_WAIT_VRISE,
- OTG_STATE_A_WAIT_BCON,
- OTG_STATE_A_HOST,
- OTG_STATE_A_SUSPEND,
- OTG_STATE_A_PERIPHERAL,
- OTG_STATE_A_WAIT_VFALL,
- 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);
-};
+#include <linux/usb/phy.h>
struct usb_otg {
u8 default_a;
@@ -85,134 +36,9 @@ 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 *);
-
-#if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE))
-/* sometimes transceivers are accessed only through e.g. ULPI */
-extern void usb_nop_xceiv_register(void);
-extern void usb_nop_xceiv_unregister(void);
-#else
-static inline void usb_nop_xceiv_register(void)
-{
-}
-
-static inline void usb_nop_xceiv_unregister(void)
-{
-}
-#endif
-
-/* 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;
@@ -262,42 +88,6 @@ 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)
@@ -306,31 +96,7 @@ 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 */