Release 4.16 drivers/usb/dwc3/gadget.h
// SPDX-License-Identifier: GPL-2.0
/*
* 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>
*/
#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) & 0x1f) << 0)
#define DWC3_DEPCFG_XFER_COMPLETE_EN BIT(8)
#define DWC3_DEPCFG_XFER_IN_PROGRESS_EN BIT(9)
#define DWC3_DEPCFG_XFER_NOT_READY_EN BIT(10)
#define DWC3_DEPCFG_FIFO_ERROR_EN BIT(11)
#define DWC3_DEPCFG_STREAM_EVENT_EN BIT(12)
#define DWC3_DEPCFG_BINTERVAL_M1(n) (((n) & 0xff) << 16)
#define DWC3_DEPCFG_STREAM_CAPABLE BIT(24)
#define DWC3_DEPCFG_EP_NUMBER(n) (((n) & 0x1f) << 25)
#define DWC3_DEPCFG_BULK_BASED BIT(30)
#define DWC3_DEPCFG_FIFO_BASED BIT(31)
/* DEPCFG parameter 0 */
#define DWC3_DEPCFG_EP_TYPE(n) (((n) & 0x3) << 1)
#define DWC3_DEPCFG_MAX_PACKET_SIZE(n) (((n) & 0x7ff) << 3)
#define DWC3_DEPCFG_FIFO_NUMBER(n) (((n) & 0x1f) << 17)
#define DWC3_DEPCFG_BURST_SIZE(n) (((n) & 0xf) << 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 BIT(31)
/* These apply for core versions 1.94a and later */
#define DWC3_DEPCFG_ACTION_INIT (0 << 30)
#define DWC3_DEPCFG_ACTION_RESTORE BIT(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))
/**
* next_request - gets the next request on the given list
* @list: the request list to operate on
*
* Caller should take care of locking. This function return %NULL or the first
* request available on @list.
*/
static inline struct dwc3_request *next_request(struct list_head *list)
{
return list_first_entry_or_null(list, struct dwc3_request, list);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Felipe Balbi | 24 | 96.00% | 1 | 50.00% |
| Masahiro Yamada | 1 | 4.00% | 1 | 50.00% |
| Total | 25 | 100.00% | 2 | 100.00% |
/**
* dwc3_gadget_move_started_request - move @req to the started_list
* @req: the request to be moved
*
* Caller should take care of locking. This function will move @req from its
* current list to the endpoint's started_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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Felipe Balbi | 40 | 100.00% | 2 | 100.00% |
| Total | 40 | 100.00% | 2 | 100.00% |
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
* @dep: dwc3 endpoint
*
* Caller should take care of locking. Returns the transfer resource
* index for a given endpoint.
*/
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Felipe Balbi | 32 | 100.00% | 2 | 100.00% |
| Total | 32 | 100.00% | 2 | 100.00% |
#endif /* __DRIVERS_USB_DWC3_GADGET_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Felipe Balbi | 320 | 89.39% | 8 | 57.14% |
| Paul Zimmerman | 13 | 3.63% | 1 | 7.14% |
| Pratyush Anand | 12 | 3.35% | 1 | 7.14% |
| Roger Quadros | 10 | 2.79% | 1 | 7.14% |
| Greg Kroah-Hartman | 2 | 0.56% | 2 | 14.29% |
| Masahiro Yamada | 1 | 0.28% | 1 | 7.14% |
| Total | 358 | 100.00% | 14 | 100.00% |
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