drivers/usb/mtu3/mtu3_qmu.h

   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