summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/include/linux/usb/otg.h
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/include/linux/usb/otg.h')
-rw-r--r--ANDROID_3.4.5/include/linux/usb/otg.h279
1 files changed, 0 insertions, 279 deletions
diff --git a/ANDROID_3.4.5/include/linux/usb/otg.h b/ANDROID_3.4.5/include/linux/usb/otg.h
deleted file mode 100644
index 38ab3f46..00000000
--- a/ANDROID_3.4.5/include/linux/usb/otg.h
+++ /dev/null
@@ -1,279 +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_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 */
-};
-
-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;
-
- struct usb_phy *phy;
- struct usb_bus *host;
- struct usb_gadget *gadget;
-
- /* 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);
-
-};
-
-/*
- * 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_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;
-
- /* 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);
-
-};
-
-
-/* for board-specific init logic */
-extern int usb_set_transceiver(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_transceiver(void);
-extern void usb_put_transceiver(struct usb_phy *);
-extern const char *otg_state_string(enum usb_otg_state state);
-#else
-static inline struct usb_phy *usb_get_transceiver(void)
-{
- return NULL;
-}
-
-static inline void usb_put_transceiver(struct usb_phy *x)
-{
-}
-
-static inline const char *otg_state_string(enum usb_otg_state state)
-{
- return NULL;
-}
-#endif
-
-/* 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
-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
-otg_start_srp(struct usb_otg *otg)
-{
- if (otg && otg->start_srp)
- return otg->start_srp(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);
-
-#endif /* __LINUX_USB_OTG_H */
generated by cgit (git 2.34.1) at 2025-01-26 01:41:50 +0000