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// 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>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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 __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
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