X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fusb%2Fcore%2Fhcd.h;h=ef50fa494e47838ec852e744bb689c9bb863065f;hb=6b157c9bf3bace6eeb4a973da63923ef24995cce;hp=7022aafb2ae8bedf9460d5c433fcea9329814251;hpb=86579dd06deecfa6ac88d5e84e4d63c397cd6f6d;p=linux-2.6 diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h index 7022aafb2a..ef50fa494e 100644 --- a/drivers/usb/core/hcd.h +++ b/drivers/usb/core/hcd.h @@ -55,18 +55,22 @@ /*-------------------------------------------------------------------------*/ -struct usb_hcd { /* usb_bus.hcpriv points to this */ +struct usb_hcd { /* * housekeeping */ struct usb_bus self; /* hcd is-a bus */ + struct kref kref; /* reference counter */ const char *product_desc; /* product/vendor string */ char irq_descr[24]; /* driver + bus # */ struct timer_list rh_timer; /* drives root-hub polling */ struct urb *status_urb; /* the current status urb */ +#ifdef CONFIG_PM + struct work_struct wakeup_work; /* for remote wakeup */ +#endif /* * hardware info/state @@ -85,6 +89,7 @@ struct usb_hcd { /* usb_bus.hcpriv points to this */ unsigned uses_new_polling:1; unsigned poll_rh:1; /* poll for rh status? */ unsigned poll_pending:1; /* status has changed? */ + unsigned wireless:1; /* Wireless USB HCD */ int irq; /* irq allocated */ void __iomem *regs; /* device memory/io */ @@ -128,8 +133,10 @@ static inline struct usb_bus *hcd_to_bus (struct usb_hcd *hcd) return &hcd->self; } - -// urb.hcpriv is really hardware-specific +static inline struct usb_hcd *bus_to_hcd (struct usb_bus *bus) +{ + return container_of(bus, struct usb_hcd, self); +} struct hcd_timeout { /* timeouts we allocate */ struct list_head timeout_list; @@ -138,30 +145,6 @@ struct hcd_timeout { /* timeouts we allocate */ /*-------------------------------------------------------------------------*/ -/* - * FIXME usb_operations should vanish or become hc_driver, - * when usb_bus and usb_hcd become the same thing. - */ - -struct usb_operations { - int (*get_frame_number) (struct usb_device *usb_dev); - int (*submit_urb) (struct urb *urb, gfp_t mem_flags); - int (*unlink_urb) (struct urb *urb, int status); - - /* allocate dma-consistent buffer for URB_DMA_NOMAPPING */ - void *(*buffer_alloc)(struct usb_bus *bus, size_t size, - gfp_t mem_flags, - dma_addr_t *dma); - void (*buffer_free)(struct usb_bus *bus, size_t size, - void *addr, dma_addr_t dma); - - void (*disable)(struct usb_device *udev, - struct usb_host_endpoint *ep); -}; - -/* each driver provides one of these, and hardware init support */ - -struct pt_regs; struct hc_driver { const char *description; /* "ehci-hcd" etc */ @@ -169,7 +152,7 @@ struct hc_driver { size_t hcd_priv_size; /* size of private data */ /* irq handler */ - irqreturn_t (*irq) (struct usb_hcd *hcd, struct pt_regs *regs); + irqreturn_t (*irq) (struct usb_hcd *hcd); int flags; #define HCD_MEMORY 0x0001 /* HC regs use memory (else I/O) */ @@ -192,6 +175,9 @@ struct hc_driver { /* cleanly make HCD stop writing memory and doing I/O */ void (*stop) (struct usb_hcd *hcd); + /* shutdown HCD */ + void (*shutdown) (struct usb_hcd *hcd); + /* return current frame number */ int (*get_frame_number) (struct usb_hcd *hcd); @@ -218,15 +204,24 @@ struct hc_driver { /* Needed only if port-change IRQs are level-triggered */ }; -extern void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb, struct pt_regs *regs); +extern int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags); +extern int usb_hcd_unlink_urb (struct urb *urb, int status); +extern void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb); +extern void usb_hcd_endpoint_disable (struct usb_device *udev, + struct usb_host_endpoint *ep); +extern int usb_hcd_get_frame_number (struct usb_device *udev); extern struct usb_hcd *usb_create_hcd (const struct hc_driver *driver, struct device *dev, char *bus_name); +extern struct usb_hcd *usb_get_hcd (struct usb_hcd *hcd); extern void usb_put_hcd (struct usb_hcd *hcd); extern int usb_add_hcd(struct usb_hcd *hcd, unsigned int irqnum, unsigned long irqflags); extern void usb_remove_hcd(struct usb_hcd *hcd); +struct platform_device; +extern void usb_hcd_platform_shutdown(struct platform_device* dev); + #ifdef CONFIG_PCI struct pci_dev; struct pci_device_id; @@ -239,6 +234,8 @@ extern int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t state); extern int usb_hcd_pci_resume (struct pci_dev *dev); #endif /* CONFIG_PM */ +extern void usb_hcd_pci_shutdown (struct pci_dev *dev); + #endif /* CONFIG_PCI */ /* pci-ish (pdev null is ok) buffer alloc/mapping support */ @@ -251,7 +248,7 @@ void hcd_buffer_free (struct usb_bus *bus, size_t size, void *addr, dma_addr_t dma); /* generic bus glue, needed for host controllers that don't use PCI */ -extern irqreturn_t usb_hcd_irq (int irq, void *__hcd, struct pt_regs *r); +extern irqreturn_t usb_hcd_irq (int irq, void *__hcd); extern void usb_hc_died (struct usb_hcd *hcd); extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd); @@ -314,10 +311,6 @@ extern void usb_destroy_configuration(struct usb_device *dev); #define NS_TO_US(ns) ((ns + 500L) / 1000L) /* convert & round nanoseconds to microseconds */ -extern void usb_claim_bandwidth (struct usb_device *dev, struct urb *urb, - int bustime, int isoc); -extern void usb_release_bandwidth (struct usb_device *dev, struct urb *urb, - int isoc); /* * Full/low speed bandwidth allocation constants/support. @@ -330,8 +323,6 @@ extern void usb_release_bandwidth (struct usb_device *dev, struct urb *urb, #define FRAME_TIME_MAX_BITS_ALLOC (90L * FRAME_TIME_BITS / 100L) #define FRAME_TIME_MAX_USECS_ALLOC (90L * FRAME_TIME_USECS / 100L) -extern int usb_check_bandwidth (struct usb_device *dev, struct urb *urb); - /* * Ceiling [nano/micro]seconds (typical) for that many bytes at high speed * ISO is a bit less, no ACK ... from USB 2.0 spec, 5.11.3 (and needed @@ -352,8 +343,6 @@ extern long usb_calc_bus_time (int speed, int is_input, /*-------------------------------------------------------------------------*/ -extern struct usb_bus *usb_alloc_bus (struct usb_operations *); - extern void usb_set_device_state(struct usb_device *udev, enum usb_device_state new_state); @@ -365,9 +354,6 @@ extern struct list_head usb_bus_list; extern struct mutex usb_bus_list_lock; extern wait_queue_head_t usb_kill_urb_queue; -extern struct usb_bus *usb_bus_get (struct usb_bus *bus); -extern void usb_bus_put (struct usb_bus *bus); - extern void usb_enable_root_hub_irq (struct usb_bus *bus); extern int usb_find_interface_driver (struct usb_device *dev, @@ -376,17 +362,11 @@ extern int usb_find_interface_driver (struct usb_device *dev, #define usb_endpoint_out(ep_dir) (!((ep_dir) & USB_DIR_IN)) #ifdef CONFIG_PM -extern void usb_hcd_suspend_root_hub (struct usb_hcd *hcd); extern void usb_hcd_resume_root_hub (struct usb_hcd *hcd); extern void usb_root_hub_lost_power (struct usb_device *rhdev); extern int hcd_bus_suspend (struct usb_bus *bus); extern int hcd_bus_resume (struct usb_bus *bus); #else -static inline void usb_hcd_suspend_root_hub(struct usb_hcd *hcd) -{ - return; -} - static inline void usb_hcd_resume_root_hub(struct usb_hcd *hcd) { return;