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 28 void mtu3_qmu_stop(struct mtu3_ep *mep); 29 int mtu3_qmu_start(struct mtu3_ep *mep); 30 void mtu3_qmu_resume(struct mtu3_ep *mep); 31 void mtu3_qmu_flush(struct mtu3_ep *mep); 32 33 void mtu3_insert_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq); 34 int mtu3_prepare_transfer(struct mtu3_ep *mep); 35 36 int mtu3_gpd_ring_alloc(struct mtu3_ep *mep); 37 void mtu3_gpd_ring_free(struct mtu3_ep *mep); 38 39 irqreturn_t mtu3_qmu_isr(struct mtu3 *mtu); 40 int mtu3_qmu_init(struct mtu3 *mtu); 41 void mtu3_qmu_exit(struct mtu3 *mtu); 42 43 #endif 44