1/*
 2 * mtu3_qmu.h - Queue Management Unit driver header
 3 *
 4 * Copyright (C) 2016 MediaTek Inc.
 5 *
 6 * Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
 7 *
 8 * This software is licensed under the terms of the GNU General Public
 9 * License version 2, as published by the Free Software Foundation, and
10 * may be copied, distributed, and modified under those terms.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 */
18
19#ifndef __MTK_QMU_H__
20#define __MTK_QMU_H__
21
22#define MAX_GPD_NUM		64
23#define QMU_GPD_SIZE		(sizeof(struct qmu_gpd))
24#define QMU_GPD_RING_SIZE	(MAX_GPD_NUM * QMU_GPD_SIZE)
25
26#define GPD_BUF_SIZE		65532
27
28void mtu3_qmu_stop(struct mtu3_ep *mep);
29int mtu3_qmu_start(struct mtu3_ep *mep);
30void mtu3_qmu_resume(struct mtu3_ep *mep);
31void mtu3_qmu_flush(struct mtu3_ep *mep);
32
33void mtu3_insert_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq);
34int mtu3_prepare_transfer(struct mtu3_ep *mep);
35
36int mtu3_gpd_ring_alloc(struct mtu3_ep *mep);
37void mtu3_gpd_ring_free(struct mtu3_ep *mep);
38
39irqreturn_t mtu3_qmu_isr(struct mtu3 *mtu);
40int mtu3_qmu_init(struct mtu3 *mtu);
41void mtu3_qmu_exit(struct mtu3 *mtu);
42
43#endif