xref: /openbmc/linux/drivers/usb/mtu3/mtu3_qmu.h (revision df2069acb00569a6299d6e11aa1865eeba463848)
1*df2069acSChunfeng Yun /*
2*df2069acSChunfeng Yun  * mtu3_qmu.h - Queue Management Unit driver header
3*df2069acSChunfeng Yun  *
4*df2069acSChunfeng Yun  * Copyright (C) 2016 MediaTek Inc.
5*df2069acSChunfeng Yun  *
6*df2069acSChunfeng Yun  * Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
7*df2069acSChunfeng Yun  *
8*df2069acSChunfeng Yun  * This software is licensed under the terms of the GNU General Public
9*df2069acSChunfeng Yun  * License version 2, as published by the Free Software Foundation, and
10*df2069acSChunfeng Yun  * may be copied, distributed, and modified under those terms.
11*df2069acSChunfeng Yun  *
12*df2069acSChunfeng Yun  * This program is distributed in the hope that it will be useful,
13*df2069acSChunfeng Yun  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14*df2069acSChunfeng Yun  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*df2069acSChunfeng Yun  * GNU General Public License for more details.
16*df2069acSChunfeng Yun  *
17*df2069acSChunfeng Yun  */
18*df2069acSChunfeng Yun 
19*df2069acSChunfeng Yun #ifndef __MTK_QMU_H__
20*df2069acSChunfeng Yun #define __MTK_QMU_H__
21*df2069acSChunfeng Yun 
22*df2069acSChunfeng Yun #define MAX_GPD_NUM		64
23*df2069acSChunfeng Yun #define QMU_GPD_SIZE		(sizeof(struct qmu_gpd))
24*df2069acSChunfeng Yun #define QMU_GPD_RING_SIZE	(MAX_GPD_NUM * QMU_GPD_SIZE)
25*df2069acSChunfeng Yun 
26*df2069acSChunfeng Yun #define GPD_BUF_SIZE		65532
27*df2069acSChunfeng Yun 
28*df2069acSChunfeng Yun void mtu3_qmu_stop(struct mtu3_ep *mep);
29*df2069acSChunfeng Yun int mtu3_qmu_start(struct mtu3_ep *mep);
30*df2069acSChunfeng Yun void mtu3_qmu_resume(struct mtu3_ep *mep);
31*df2069acSChunfeng Yun void mtu3_qmu_flush(struct mtu3_ep *mep);
32*df2069acSChunfeng Yun 
33*df2069acSChunfeng Yun void mtu3_insert_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq);
34*df2069acSChunfeng Yun int mtu3_prepare_transfer(struct mtu3_ep *mep);
35*df2069acSChunfeng Yun 
36*df2069acSChunfeng Yun int mtu3_gpd_ring_alloc(struct mtu3_ep *mep);
37*df2069acSChunfeng Yun void mtu3_gpd_ring_free(struct mtu3_ep *mep);
38*df2069acSChunfeng Yun 
39*df2069acSChunfeng Yun irqreturn_t mtu3_qmu_isr(struct mtu3 *mtu);
40*df2069acSChunfeng Yun int mtu3_qmu_init(struct mtu3 *mtu);
41*df2069acSChunfeng Yun void mtu3_qmu_exit(struct mtu3 *mtu);
42*df2069acSChunfeng Yun 
43*df2069acSChunfeng Yun #endif
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