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linux-next/drivers/usb/mtu3/mtu3_qmu.h
Chunfeng Yun 48e0d3735a usb: mtu3: supports new QMU format
In order to support U3gen2 ISOC transfer upto 96DPs, extend
the data buffer length.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-26 16:40:13 +09:00

36 lines
931 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* mtu3_qmu.h - Queue Management Unit driver header
*
* Copyright (C) 2016 MediaTek Inc.
*
* Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
*/
#ifndef __MTK_QMU_H__
#define __MTK_QMU_H__
#define MAX_GPD_NUM 64
#define QMU_GPD_SIZE (sizeof(struct qmu_gpd))
#define QMU_GPD_RING_SIZE (MAX_GPD_NUM * QMU_GPD_SIZE)
#define GPD_BUF_SIZE 65532
#define GPD_BUF_SIZE_EL 1048572
void mtu3_qmu_stop(struct mtu3_ep *mep);
int mtu3_qmu_start(struct mtu3_ep *mep);
void mtu3_qmu_resume(struct mtu3_ep *mep);
void mtu3_qmu_flush(struct mtu3_ep *mep);
void mtu3_insert_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq);
int mtu3_prepare_transfer(struct mtu3_ep *mep);
int mtu3_gpd_ring_alloc(struct mtu3_ep *mep);
void mtu3_gpd_ring_free(struct mtu3_ep *mep);
irqreturn_t mtu3_qmu_isr(struct mtu3 *mtu);
int mtu3_qmu_init(struct mtu3 *mtu);
void mtu3_qmu_exit(struct mtu3 *mtu);
#endif