diff options
Diffstat (limited to 'include/linux/usb')
| -rw-r--r-- | include/linux/usb/composite.h | 1 | ||||
| -rw-r--r-- | include/linux/usb/otg.h | 68 | ||||
| -rw-r--r-- | include/linux/usb/serial.h | 6 | ||||
| -rw-r--r-- | include/linux/usb/ulpi.h | 7 | ||||
| -rw-r--r-- | include/linux/usb/usbnet.h | 8 | ||||
| -rw-r--r-- | include/linux/usb/wusb.h | 2 |
6 files changed, 86 insertions, 6 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 4f6bb3d..738ea1a 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -127,6 +127,7 @@ struct usb_function { /* private: */ /* internals */ struct list_head list; + DECLARE_BITMAP(endpoints, 32); }; int usb_add_function(struct usb_configuration *, struct usb_function *); diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index 2443c0e..52bb917 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -33,6 +33,23 @@ enum usb_otg_state { OTG_STATE_A_VBUS_ERR, }; +#define USB_OTG_PULLUP_ID (1 << 0) +#define USB_OTG_PULLDOWN_DP (1 << 1) +#define USB_OTG_PULLDOWN_DM (1 << 2) +#define USB_OTG_EXT_VBUS_INDICATOR (1 << 3) +#define USB_OTG_DRV_VBUS (1 << 4) +#define USB_OTG_DRV_VBUS_EXT (1 << 5) + +struct otg_transceiver; + +/* for transceivers connected thru an ULPI interface, the user must + * provide access ops + */ +struct otg_io_access_ops { + int (*read)(struct otg_transceiver *otg, u32 reg); + int (*write)(struct otg_transceiver *otg, u32 val, u32 reg); +}; + /* * the otg driver needs to interact with both device side and host side * usb controllers. it decides which controller is active at a given @@ -42,6 +59,7 @@ enum usb_otg_state { struct otg_transceiver { struct device *dev; const char *label; + unsigned int flags; u8 default_a; enum usb_otg_state state; @@ -49,10 +67,17 @@ struct otg_transceiver { struct usb_bus *host; struct usb_gadget *gadget; + struct otg_io_access_ops *io_ops; + void __iomem *io_priv; + /* to pass extra port status to the root hub */ u16 port_status; u16 port_change; + /* initialize/shutdown the OTG controller */ + int (*init)(struct otg_transceiver *otg); + void (*shutdown)(struct otg_transceiver *otg); + /* bind/unbind the host controller */ int (*set_host)(struct otg_transceiver *otg, struct usb_bus *host); @@ -65,6 +90,10 @@ struct otg_transceiver { int (*set_power)(struct otg_transceiver *otg, unsigned mA); + /* effective for A-peripheral, ignored for B devices */ + int (*set_vbus)(struct otg_transceiver *otg, + bool enabled); + /* for non-OTG B devices: set transceiver into suspend mode */ int (*set_suspend)(struct otg_transceiver *otg, int suspend); @@ -85,6 +114,38 @@ extern int otg_set_transceiver(struct otg_transceiver *); extern void usb_nop_xceiv_register(void); extern void usb_nop_xceiv_unregister(void); +/* helpers for direct access thru low-level io interface */ +static inline int otg_io_read(struct otg_transceiver *otg, u32 reg) +{ + if (otg->io_ops && otg->io_ops->read) + return otg->io_ops->read(otg, reg); + + return -EINVAL; +} + +static inline int otg_io_write(struct otg_transceiver *otg, u32 reg, u32 val) +{ + if (otg->io_ops && otg->io_ops->write) + return otg->io_ops->write(otg, reg, val); + + return -EINVAL; +} + +static inline int +otg_init(struct otg_transceiver *otg) +{ + if (otg->init) + return otg->init(otg); + + return 0; +} + +static inline void +otg_shutdown(struct otg_transceiver *otg) +{ + if (otg->shutdown) + otg->shutdown(otg); +} /* for usb host and peripheral controller drivers */ extern struct otg_transceiver *otg_get_transceiver(void); @@ -97,6 +158,12 @@ otg_start_hnp(struct otg_transceiver *otg) return otg->start_hnp(otg); } +/* Context: can sleep */ +static inline int +otg_set_vbus(struct otg_transceiver *otg, bool enabled) +{ + return otg->set_vbus(otg, enabled); +} /* for HCDs */ static inline int @@ -105,7 +172,6 @@ otg_set_host(struct otg_transceiver *otg, struct usb_bus *host) return otg->set_host(otg, host); } - /* for usb peripheral controller drivers */ /* Context: can sleep */ diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index ce911eb..1819396 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -16,6 +16,7 @@ #include <linux/kref.h> #include <linux/mutex.h> #include <linux/sysrq.h> +#include <linux/kfifo.h> #define SERIAL_TTY_MAJOR 188 /* Nice legal number now */ #define SERIAL_TTY_MINORS 254 /* loads of devices :) */ @@ -39,8 +40,6 @@ enum port_dev_state { * @serial: pointer back to the struct usb_serial owner of this port. * @port: pointer to the corresponding tty_port for this port. * @lock: spinlock to grab when updating portions of this structure. - * @mutex: mutex used to synchronize serial_open() and serial_close() - * access for this port. * @number: the number of the port (the minor number). * @interrupt_in_buffer: pointer to the interrupt in buffer for this port. * @interrupt_in_urb: pointer to the interrupt in struct urb for this port. @@ -77,7 +76,6 @@ struct usb_serial_port { struct usb_serial *serial; struct tty_port port; spinlock_t lock; - struct mutex mutex; unsigned char number; unsigned char *interrupt_in_buffer; @@ -97,7 +95,7 @@ struct usb_serial_port { unsigned char *bulk_out_buffer; int bulk_out_size; struct urb *write_urb; - struct kfifo *write_fifo; + struct kfifo write_fifo; int write_urb_busy; __u8 bulk_out_endpointAddress; diff --git a/include/linux/usb/ulpi.h b/include/linux/usb/ulpi.h new file mode 100644 index 0000000..20675c6 --- /dev/null +++ b/include/linux/usb/ulpi.h @@ -0,0 +1,7 @@ +#ifndef __LINUX_USB_ULPI_H +#define __LINUX_USB_ULPI_H + +struct otg_transceiver *otg_ulpi_create(struct otg_io_access_ops *ops, + unsigned int flags); + +#endif /* __LINUX_USB_ULPI_H */ diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index f814730..8ce6135 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -55,6 +55,7 @@ struct usbnet { struct sk_buff_head done; struct sk_buff_head rxq_pause; struct urb *interrupt; + struct usb_anchor deferred; struct tasklet_struct bh; struct work_struct kevent; @@ -65,6 +66,8 @@ struct usbnet { # define EVENT_STS_SPLIT 3 # define EVENT_LINK_RESET 4 # define EVENT_RX_PAUSED 5 +# define EVENT_DEV_WAKING 6 +# define EVENT_DEV_ASLEEP 7 }; static inline struct usb_driver *driver_of(struct usb_interface *intf) @@ -90,7 +93,9 @@ struct driver_info { #define FLAG_WLAN 0x0080 /* use "wlan%d" names */ #define FLAG_AVOID_UNLINK_URBS 0x0100 /* don't unlink urbs at usbnet_stop() */ #define FLAG_SEND_ZLP 0x0200 /* hw requires ZLPs are sent */ +#define FLAG_WWAN 0x0400 /* use "wwan%d" names */ +#define FLAG_LINK_INTR 0x0800 /* updates link (carrier) status */ /* init device ... can sleep, or cause probe() failure */ int (*bind)(struct usbnet *, struct usb_interface *); @@ -107,6 +112,9 @@ struct driver_info { /* see if peer is connected ... can sleep */ int (*check_connect)(struct usbnet *); + /* (dis)activate runtime power management */ + int (*manage_power)(struct usbnet *, int); + /* for status polling */ void (*status)(struct usbnet *, struct urb *); diff --git a/include/linux/usb/wusb.h b/include/linux/usb/wusb.h index 429c631..63ebdcc 100644 --- a/include/linux/usb/wusb.h +++ b/include/linux/usb/wusb.h @@ -74,7 +74,7 @@ enum { * WUSB defines that CHIDs, CDIDs and CKs are a 16 byte string of * data. In order to avoid confusion and enforce types, we wrap it. * - * Make it packed, as we use it in some hw defintions. + * Make it packed, as we use it in some hw definitions. */ struct wusb_ckhdid { u8 data[16]; |