linux/drivers/usb/mtu3/mtu3_qmu.h
<<
>>
Prefs
   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
  28void mtu3_qmu_stop(struct mtu3_ep *mep);
  29int mtu3_qmu_start(struct mtu3_ep *mep);
  30void mtu3_qmu_resume(struct mtu3_ep *mep);
  31void mtu3_qmu_flush(struct mtu3_ep *mep);
  32
  33void mtu3_insert_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq);
  34int mtu3_prepare_transfer(struct mtu3_ep *mep);
  35
  36int mtu3_gpd_ring_alloc(struct mtu3_ep *mep);
  37void mtu3_gpd_ring_free(struct mtu3_ep *mep);
  38
  39irqreturn_t mtu3_qmu_isr(struct mtu3 *mtu);
  40int mtu3_qmu_init(struct mtu3 *mtu);
  41void mtu3_qmu_exit(struct mtu3 *mtu);
  42
  43#endif
  44