105 lines
3.5 KiB
C
105 lines
3.5 KiB
C
/**
|
|
* 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)
|
|
{
|
|
return list_first_entry_or_null(list, struct dwc3_request, list);
|
|
}
|
|
|
|
static inline void dwc3_gadget_move_started_request(struct dwc3_request *req)
|
|
{
|
|
struct dwc3_ep *dep = req->dep;
|
|
|
|
req->started = true;
|
|
list_move_tail(&req->list, &dep->started_list);
|
|
}
|
|
|
|
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_ep *dep)
|
|
{
|
|
u32 res_id;
|
|
|
|
res_id = dwc3_readl(dep->regs, DWC3_DEPCMD);
|
|
|
|
return DWC3_DEPCMD_GET_RSC_IDX(res_id);
|
|
}
|
|
|
|
#endif /* __DRIVERS_USB_DWC3_GADGET_H */
|