Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / usb / dwc3 / gadget.h

diff --git a/kernel/drivers/usb/dwc3/gadget.h b/kernel/drivers/usb/dwc3/gadget.h
new file mode 100644 (file)
index 0000000..18ae3ea
--- /dev/null
+++ b/kernel/drivers/usb/dwc3/gadget.h
@@ -0,0 +1,107 @@
+/**
+ * gadget.h - DesignWare USB3 DRD Gadget Header
+ *
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * Authors: Felipe Balbi <balbi@ti.com>,
+ *         Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2  of
+ * the License as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#ifndef __DRIVERS_USB_DWC3_GADGET_H
+#define __DRIVERS_USB_DWC3_GADGET_H
+
+#include <linux/list.h>
+#include <linux/usb/gadget.h>
+#include "io.h"
+
+struct dwc3;
+#define to_dwc3_ep(ep)         (container_of(ep, struct dwc3_ep, endpoint))
+#define gadget_to_dwc(g)       (container_of(g, struct dwc3, gadget))
+
+/* DEPCFG parameter 1 */
+#define DWC3_DEPCFG_INT_NUM(n)         ((n) << 0)
+#define DWC3_DEPCFG_XFER_COMPLETE_EN   (1 << 8)
+#define DWC3_DEPCFG_XFER_IN_PROGRESS_EN        (1 << 9)
+#define DWC3_DEPCFG_XFER_NOT_READY_EN  (1 << 10)
+#define DWC3_DEPCFG_FIFO_ERROR_EN      (1 << 11)
+#define DWC3_DEPCFG_STREAM_EVENT_EN    (1 << 13)
+#define DWC3_DEPCFG_BINTERVAL_M1(n)    ((n) << 16)
+#define DWC3_DEPCFG_STREAM_CAPABLE     (1 << 24)
+#define DWC3_DEPCFG_EP_NUMBER(n)       ((n) << 25)
+#define DWC3_DEPCFG_BULK_BASED         (1 << 30)
+#define DWC3_DEPCFG_FIFO_BASED         (1 << 31)
+
+/* DEPCFG parameter 0 */
+#define DWC3_DEPCFG_EP_TYPE(n)         ((n) << 1)
+#define DWC3_DEPCFG_MAX_PACKET_SIZE(n) ((n) << 3)
+#define DWC3_DEPCFG_FIFO_NUMBER(n)     ((n) << 17)
+#define DWC3_DEPCFG_BURST_SIZE(n)      ((n) << 22)
+#define DWC3_DEPCFG_DATA_SEQ_NUM(n)    ((n) << 26)
+/* This applies for core versions earlier than 1.94a */
+#define DWC3_DEPCFG_IGN_SEQ_NUM                (1 << 31)
+/* These apply for core versions 1.94a and later */
+#define DWC3_DEPCFG_ACTION_INIT                (0 << 30)
+#define DWC3_DEPCFG_ACTION_RESTORE     (1 << 30)
+#define DWC3_DEPCFG_ACTION_MODIFY      (2 << 30)
+
+/* DEPXFERCFG parameter 0 */
+#define DWC3_DEPXFERCFG_NUM_XFER_RES(n)        ((n) & 0xffff)
+
+/* -------------------------------------------------------------------------- */
+
+#define to_dwc3_request(r)     (container_of(r, struct dwc3_request, request))
+
+static inline struct dwc3_request *next_request(struct list_head *list)
+{
+       if (list_empty(list))
+               return NULL;
+
+       return list_first_entry(list, struct dwc3_request, list);
+}
+
+static inline void dwc3_gadget_move_request_queued(struct dwc3_request *req)
+{
+       struct dwc3_ep          *dep = req->dep;
+
+       req->queued = true;
+       list_move_tail(&req->list, &dep->req_queued);
+}
+
+void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
+               int status);
+
+void dwc3_ep0_interrupt(struct dwc3 *dwc,
+               const struct dwc3_event_depevt *event);
+void dwc3_ep0_out_start(struct dwc3 *dwc);
+int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
+int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
+int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
+               gfp_t gfp_flags);
+int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol);
+
+/**
+ * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW
+ * @dwc: DesignWare USB3 Pointer
+ * @number: DWC endpoint number
+ *
+ * Caller should take care of locking
+ */
+static inline u32 dwc3_gadget_ep_get_transfer_index(struct dwc3 *dwc, u8 number)
+{
+       u32                     res_id;
+
+       res_id = dwc3_readl(dwc->regs, DWC3_DEPCMD(number));
+
+       return DWC3_DEPCMD_GET_RSC_IDX(res_id);
+}
+
+#endif /* __DRIVERS_USB_DWC3_GADGET_H */