Merge branch 'agust@denx.de-next' of git://git.denx.de/u-boot-staging

[platform/kernel/u-boot.git] / include / usb.h

diff --git a/include/usb.h b/include/usb.h
index 4534738..9dd8791 100644 (file)
--- a/include/usb.h
+++ b/include/usb.h
@@ -29,6 +29,16 @@
 #include <usb_defs.h>
 #include <usbdescriptors.h>
 
+/*
+ * The EHCI spec says that we must align to at least 32 bytes.  However,
+ * some platforms require larger alignment.
+ */
+#if ARCH_DMA_MINALIGN > 32
+#define USB_DMA_MINALIGN       ARCH_DMA_MINALIGN
+#else
+#define USB_DMA_MINALIGN       32
+#endif
+
 /* Everything is aribtrary */
 #define USB_ALTSETTINGALLOC            4
 #define USB_MAXALTSETTING              128     /* Hard limit */
@@ -109,7 +119,9 @@ struct usb_device {
        int epmaxpacketout[16];         /* OUTput endpoint specific maximums */
 
        int configno;                   /* selected config number */
-       struct usb_device_descriptor descriptor; /* Device Descriptor */
+       /* Device Descriptor */
+       struct usb_device_descriptor descriptor
+               __attribute__((aligned(ARCH_DMA_MINALIGN)));
        struct usb_config config; /* config descriptor */
 
        int have_langid;                /* whether string_langid is valid yet */
@@ -128,6 +140,8 @@ struct usb_device {
        int portnr;
        struct usb_device *parent;
        struct usb_device *children[USB_MAXCHILDREN];
+
+       void *controller;               /* hardware controller private data */
 };
 
 /**********************************************************************
@@ -141,8 +155,9 @@ struct usb_device {
        defined(CONFIG_USB_OMAP3) || defined(CONFIG_USB_DA8XX) || \
        defined(CONFIG_USB_BLACKFIN) || defined(CONFIG_USB_AM35X)
 
-int usb_lowlevel_init(void);
-int usb_lowlevel_stop(void);
+int usb_lowlevel_init(int index, void **controller);
+int usb_lowlevel_stop(int index);
+
 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
                        void *buffer, int transfer_len);
 int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
@@ -154,6 +169,17 @@ int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 #define USB_UHCI_VEND_ID       0x8086
 #define USB_UHCI_DEV_ID                0x7112
 
+/*
+ * PXA25x can only act as USB device. There are drivers
+ * which works with USB CDC gadgets implementations.
+ * Some of them have common routines which can be used
+ * in boards init functions e.g. udc_disconnect() used for
+ * forced device disconnection from host.
+ */
+#elif defined(CONFIG_USB_GADGET_PXA2XX)
+
+extern void udc_disconnect(void);
+
 #else
 #error USB Lowlevel not defined
 #endif
@@ -199,7 +225,6 @@ int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe,
                        void *buffer, int transfer_len, int interval);
 int usb_disable_asynch(int disable);
 int usb_maxpacket(struct usb_device *dev, unsigned long pipe);
-inline void wait_ms(unsigned long ms);
 int usb_get_configuration_no(struct usb_device *dev, unsigned char *buffer,
                                int cfgno);
 int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type,
@@ -371,7 +396,8 @@ void usb_hub_reset(void);
 int hub_port_reset(struct usb_device *dev, int port,
                          unsigned short *portstat);
 
-struct usb_device *usb_alloc_new_device(void);
+struct usb_device *usb_alloc_new_device(void *controller);
+
 int usb_new_device(struct usb_device *dev);
 
 #endif /*_USB_H_ */