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 #define GPD_BUF_SIZE_EL		1048572
19 
20 void mtu3_qmu_stop(struct mtu3_ep *mep);
21 int mtu3_qmu_start(struct mtu3_ep *mep);
22 void mtu3_qmu_resume(struct mtu3_ep *mep);
23 void mtu3_qmu_flush(struct mtu3_ep *mep);
24 
25 void mtu3_insert_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq);
26 int mtu3_prepare_transfer(struct mtu3_ep *mep);
27 
28 int mtu3_gpd_ring_alloc(struct mtu3_ep *mep);
29 void mtu3_gpd_ring_free(struct mtu3_ep *mep);
30 
31 irqreturn_t mtu3_qmu_isr(struct mtu3 *mtu);
32 int mtu3_qmu_init(struct mtu3 *mtu);
33 void mtu3_qmu_exit(struct mtu3 *mtu);
34 
35 #endif
36