text: /* 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
  