1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * mtu3_qmu.h - Queue Management Unit driver header
 4 *
 5 * Copyright (C) 2016 MediaTek Inc.
 6 *
 7 * Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
 8 */
 9
10#ifndef __MTK_QMU_H__
11#define __MTK_QMU_H__
12
13#define MAX_GPD_NUM		64
14#define QMU_GPD_SIZE		(sizeof(struct qmu_gpd))
15#define QMU_GPD_RING_SIZE	(MAX_GPD_NUM * QMU_GPD_SIZE)
16
17#define GPD_BUF_SIZE		65532
18
19void mtu3_qmu_stop(struct mtu3_ep *mep);
20int mtu3_qmu_start(struct mtu3_ep *mep);
21void mtu3_qmu_resume(struct mtu3_ep *mep);
22void mtu3_qmu_flush(struct mtu3_ep *mep);
23
24void mtu3_insert_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq);
25int mtu3_prepare_transfer(struct mtu3_ep *mep);
26
27int mtu3_gpd_ring_alloc(struct mtu3_ep *mep);
28void mtu3_gpd_ring_free(struct mtu3_ep *mep);
29
30irqreturn_t mtu3_qmu_isr(struct mtu3 *mtu);
31int mtu3_qmu_init(struct mtu3 *mtu);
32void mtu3_qmu_exit(struct mtu3 *mtu);
33
34#endif