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