// SPDX-License-Identifier: GPL-2.0 /* * mtu3_qmu.h - Queue Management Unit driver header * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> */ #ifndef __MTK_QMU_H__ #define __MTK_QMU_H__ #define MAX_GPD_NUM 64 #define QMU_GPD_SIZE (sizeof(struct qmu_gpd)) #define QMU_GPD_RING_SIZE (MAX_GPD_NUM * QMU_GPD_SIZE) #define GPD_BUF_SIZE 65532 #define GPD_BUF_SIZE_EL 1048572 void mtu3_qmu_stop(struct mtu3_ep *mep); int mtu3_qmu_start(struct mtu3_ep *mep); void mtu3_qmu_resume(struct mtu3_ep *mep); void mtu3_qmu_flush(struct mtu3_ep *mep); void mtu3_insert_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq); int mtu3_prepare_transfer(struct mtu3_ep *mep); int mtu3_gpd_ring_alloc(struct mtu3_ep *mep); void mtu3_gpd_ring_free(struct mtu3_ep *mep); irqreturn_t mtu3_qmu_isr(struct mtu3 *mtu); int mtu3_qmu_init(struct mtu3 *mtu); void mtu3_qmu_exit(struct mtu3 *mtu); #endif