diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/usb.h | 33 | ||||
| -rw-r--r-- | include/linux/usb/composite.h | 1 | ||||
| -rw-r--r-- | include/linux/usb/otg.h | 68 | ||||
| -rw-r--r-- | include/linux/usb/ulpi.h | 7 | ||||
| -rw-r--r-- | include/linux/usb_usual.h | 4 |
5 files changed, 93 insertions, 20 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h index a34fa89f1474..e101a2d04d75 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -331,6 +331,7 @@ struct usb_bus { u8 otg_port; /* 0, or number of OTG/HNP port */ unsigned is_b_host:1; /* true during some HNP roleswitches */ unsigned b_hnp_enable:1; /* OTG: did A-Host enable HNP? */ + unsigned sg_tablesize; /* 0 or largest number of sg list entries */ int devnum_next; /* Next open device number in * round-robin allocation */ @@ -428,11 +429,9 @@ struct usb_tt; * @last_busy: time of last use * @autosuspend_delay: in jiffies * @connect_time: time device was first connected - * @auto_pm: autosuspend/resume in progress * @do_remote_wakeup: remote wakeup should be enabled * @reset_resume: needs reset instead of resume * @autosuspend_disabled: autosuspend disabled by the user - * @autoresume_disabled: autoresume disabled by the user * @skip_sys_resume: skip the next system resume * @wusb_dev: if this is a Wireless USB device, link to the WUSB * specific data for the device. @@ -513,11 +512,9 @@ struct usb_device { int autosuspend_delay; unsigned long connect_time; - unsigned auto_pm:1; unsigned do_remote_wakeup:1; unsigned reset_resume:1; unsigned autosuspend_disabled:1; - unsigned autoresume_disabled:1; unsigned skip_sys_resume:1; #endif struct wusb_dev *wusb_dev; @@ -543,22 +540,20 @@ extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id); /* USB autosuspend and autoresume */ #ifdef CONFIG_USB_SUSPEND -extern int usb_autopm_set_interface(struct usb_interface *intf); extern int usb_autopm_get_interface(struct usb_interface *intf); extern void usb_autopm_put_interface(struct usb_interface *intf); extern int usb_autopm_get_interface_async(struct usb_interface *intf); extern void usb_autopm_put_interface_async(struct usb_interface *intf); -static inline void usb_autopm_enable(struct usb_interface *intf) +static inline void usb_autopm_get_interface_no_resume( + struct usb_interface *intf) { - atomic_set(&intf->pm_usage_cnt, 0); - usb_autopm_set_interface(intf); + atomic_inc(&intf->pm_usage_cnt); } - -static inline void usb_autopm_disable(struct usb_interface *intf) +static inline void usb_autopm_put_interface_no_suspend( + struct usb_interface *intf) { - atomic_set(&intf->pm_usage_cnt, 1); - usb_autopm_set_interface(intf); + atomic_dec(&intf->pm_usage_cnt); } static inline void usb_mark_last_busy(struct usb_device *udev) @@ -568,12 +563,8 @@ static inline void usb_mark_last_busy(struct usb_device *udev) #else -static inline int usb_autopm_set_interface(struct usb_interface *intf) -{ return 0; } - static inline int usb_autopm_get_interface(struct usb_interface *intf) { return 0; } - static inline int usb_autopm_get_interface_async(struct usb_interface *intf) { return 0; } @@ -581,9 +572,11 @@ static inline void usb_autopm_put_interface(struct usb_interface *intf) { } static inline void usb_autopm_put_interface_async(struct usb_interface *intf) { } -static inline void usb_autopm_enable(struct usb_interface *intf) +static inline void usb_autopm_get_interface_no_resume( + struct usb_interface *intf) { } -static inline void usb_autopm_disable(struct usb_interface *intf) +static inline void usb_autopm_put_interface_no_suspend( + struct usb_interface *intf) { } static inline void usb_mark_last_busy(struct usb_device *udev) { } @@ -626,6 +619,10 @@ extern struct usb_interface *usb_ifnum_to_if(const struct usb_device *dev, unsigned ifnum); extern struct usb_host_interface *usb_altnum_to_altsetting( const struct usb_interface *intf, unsigned int altnum); +extern struct usb_host_interface *usb_find_alt_setting( + struct usb_host_config *config, + unsigned int iface_num, + unsigned int alt_num); /** diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 4f6bb3d2160e..738ea1a691cb 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 2443c0e7a80c..52bb917641f0 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/ulpi.h b/include/linux/usb/ulpi.h new file mode 100644 index 000000000000..20675c6ebc4d --- /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_usual.h b/include/linux/usb_usual.h index 3d15fb9bc116..a4b947e470a5 100644 --- a/include/linux/usb_usual.h +++ b/include/linux/usb_usual.h @@ -56,7 +56,9 @@ US_FLAG(SANE_SENSE, 0x00008000) \ /* Sane Sense (> 18 bytes) */ \ US_FLAG(CAPACITY_OK, 0x00010000) \ - /* READ CAPACITY response is correct */ + /* READ CAPACITY response is correct */ \ + US_FLAG(BAD_SENSE, 0x00020000) \ + /* Bad Sense (never more than 18 bytes) */ #define US_FLAG(name, value) US_FL_##name = value , enum { US_DO_ALL_FLAGS }; |