usb: musb: add musb_host_setup() and musb_host_cleanup()

[cascardo/linux.git] / drivers / usb / musb / musb_host.h

diff --git a/drivers/usb/musb/musb_host.h b/drivers/usb/musb/musb_host.h
index 5a9c8fe..48a4bdd 100644 (file)
--- a/drivers/usb/musb/musb_host.h
+++ b/drivers/usb/musb/musb_host.h
@@ -37,15 +37,7 @@
 
 #include <linux/scatterlist.h>
 
-static inline struct usb_hcd *musb_to_hcd(struct musb *musb)
-{
-       return container_of((void *) musb, struct usb_hcd, hcd_priv);
-}
-
-static inline struct musb *hcd_to_musb(struct usb_hcd *hcd)
-{
-       return (struct musb *) (hcd->hcd_priv);
-}
+#define musb_to_hcd(MUSB) ((MUSB)->hcd)
 
 /* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */
 struct musb_qh {
@@ -85,7 +77,52 @@ static inline struct musb_qh *first_qh(struct list_head *q)
 }
 
 
+#if IS_ENABLED(CONFIG_USB_MUSB_HOST) || IS_ENABLED(CONFIG_USB_MUSB_DUAL_ROLE)
+extern struct musb *hcd_to_musb(struct usb_hcd *);
+extern irqreturn_t musb_h_ep0_irq(struct musb *);
+extern int musb_host_alloc(struct musb *);
+extern int musb_host_setup(struct musb *, int);
+extern void musb_host_cleanup(struct musb *);
+extern void musb_host_tx(struct musb *, u8);
+extern void musb_host_rx(struct musb *, u8);
 extern void musb_root_disconnect(struct musb *musb);
+extern void musb_host_free(struct musb *);
+extern void musb_host_cleanup(struct musb *);
+extern void musb_host_tx(struct musb *, u8);
+extern void musb_host_rx(struct musb *, u8);
+extern void musb_root_disconnect(struct musb *musb);
+extern void musb_host_resume_root_hub(struct musb *musb);
+extern void musb_host_poke_root_hub(struct musb *musb);
+#else
+static inline struct musb *hcd_to_musb(struct usb_hcd *hcd)
+{
+       return NULL;
+}
+
+static inline irqreturn_t musb_h_ep0_irq(struct musb *musb)
+{
+       return 0;
+}
+
+static inline int musb_host_alloc(struct musb *musb)
+{
+       return 0;
+}
+
+static inline int musb_host_setup(struct musb *musb, int power_budget)
+{
+       return 0;
+}
+
+static inline void musb_host_cleanup(struct musb *musb)                {}
+static inline void musb_host_free(struct musb *musb)           {}
+static inline void musb_host_tx(struct musb *musb, u8 epnum)   {}
+static inline void musb_host_rx(struct musb *musb, u8 epnum)   {}
+static inline void musb_root_disconnect(struct musb *musb)     {}
+static inline void musb_host_resume_root_hub(struct musb *musb)        {}
+static inline void musb_host_poll_rh_status(struct musb *musb) {}
+static inline void musb_host_poke_root_hub(struct musb *musb)  {}
+#endif
 
 struct usb_hcd;
 
@@ -94,8 +131,6 @@ extern int musb_hub_control(struct usb_hcd *hcd,
                        u16 typeReq, u16 wValue, u16 wIndex,
                        char *buf, u16 wLength);
 
-extern const struct hc_driver musb_hc_driver;
-
 static inline struct urb *next_urb(struct musb_qh *qh)
 {
        struct list_head        *queue;