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-rw-r--r--include/linux/usb/c67x00.h48
-rw-r--r--include/linux/usb/ch9.h12
-rw-r--r--include/linux/usb/gadget.h21
3 files changed, 80 insertions, 1 deletions
diff --git a/include/linux/usb/c67x00.h b/include/linux/usb/c67x00.h
new file mode 100644
index 00000000000..83c6b45470c
--- /dev/null
+++ b/include/linux/usb/c67x00.h
@@ -0,0 +1,48 @@
+/*
+ * usb_c67x00.h: platform definitions for the Cypress C67X00 USB chip
+ *
+ * Copyright (C) 2006-2008 Barco N.V.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA.
+ */
+
+#ifndef _LINUX_USB_C67X00_H
+#define _LINUX_USB_C67X00_H
+
+/* SIE configuration */
+#define C67X00_SIE_UNUSED 0
+#define C67X00_SIE_HOST 1
+#define C67X00_SIE_PERIPHERAL_A 2 /* peripheral on A port */
+#define C67X00_SIE_PERIPHERAL_B 3 /* peripheral on B port */
+
+#define c67x00_sie_config(config, n) (((config)>>(4*(n)))&0x3)
+
+#define C67X00_SIE1_UNUSED (C67X00_SIE_UNUSED << 0)
+#define C67X00_SIE1_HOST (C67X00_SIE_HOST << 0)
+#define C67X00_SIE1_PERIPHERAL_A (C67X00_SIE_PERIPHERAL_A << 0)
+#define C67X00_SIE1_PERIPHERAL_B (C67X00_SIE_PERIPHERAL_B << 0)
+
+#define C67X00_SIE2_UNUSED (C67X00_SIE_UNUSED << 4)
+#define C67X00_SIE2_HOST (C67X00_SIE_HOST << 4)
+#define C67X00_SIE2_PERIPHERAL_A (C67X00_SIE_PERIPHERAL_A << 4)
+#define C67X00_SIE2_PERIPHERAL_B (C67X00_SIE_PERIPHERAL_B << 4)
+
+struct c67x00_platform_data {
+ int sie_config; /* SIEs config (C67X00_SIEx_*) */
+ unsigned long hpi_regstep; /* Step between HPI registers */
+};
+
+#endif /* _LINUX_USB_C67X00_H */
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 7e0d3084f76..73a2f4eb1f7 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -455,7 +455,7 @@ struct usb_encryption_descriptor {
/*-------------------------------------------------------------------------*/
-/* USB_DT_BOS: group of wireless capabilities */
+/* USB_DT_BOS: group of device-level capabilities */
struct usb_bos_descriptor {
__u8 bLength;
__u8 bDescriptorType;
@@ -501,6 +501,16 @@ struct usb_wireless_cap_descriptor { /* Ultra Wide Band */
__u8 bReserved;
} __attribute__((packed));
+#define USB_CAP_TYPE_EXT 2
+
+struct usb_ext_cap_descriptor { /* Link Power Management */
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+ __u8 bmAttributes;
+#define USB_LPM_SUPPORT (1 << 1) /* supports LPM */
+} __attribute__((packed));
+
/*-------------------------------------------------------------------------*/
/* USB_DT_WIRELESS_ENDPOINT_COMP: companion descriptor associated with
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index d8128f7102c..cf468fbdbf8 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -114,6 +114,8 @@ struct usb_ep_ops {
int (*dequeue) (struct usb_ep *ep, struct usb_request *req);
int (*set_halt) (struct usb_ep *ep, int value);
+ int (*set_wedge) (struct usb_ep *ep);
+
int (*fifo_status) (struct usb_ep *ep);
void (*fifo_flush) (struct usb_ep *ep);
};
@@ -349,6 +351,25 @@ static inline int usb_ep_clear_halt(struct usb_ep *ep)
}
/**
+ * usb_ep_set_wedge - sets the halt feature and ignores clear requests
+ * @ep: the endpoint being wedged
+ *
+ * Use this to stall an endpoint and ignore CLEAR_FEATURE(HALT_ENDPOINT)
+ * requests. If the gadget driver clears the halt status, it will
+ * automatically unwedge the endpoint.
+ *
+ * Returns zero on success, else negative errno.
+ */
+static inline int
+usb_ep_set_wedge(struct usb_ep *ep)
+{
+ if (ep->ops->set_wedge)
+ return ep->ops->set_wedge(ep);
+ else
+ return ep->ops->set_halt(ep, 1);
+}
+
+/**
* usb_ep_fifo_status - returns number of bytes in fifo, or error
* @ep: the endpoint whose fifo status is being checked.
*