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kernel/linux-imx6_3.14.28/drivers/gpu/host1x/channel.h 1.17 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * Tegra host1x Channel
   *
   * Copyright (c) 2010-2013, NVIDIA Corporation.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   * more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  #ifndef __HOST1X_CHANNEL_H
  #define __HOST1X_CHANNEL_H
  
  #include <linux/io.h>
  
  #include "cdma.h"
  
  struct host1x;
  
  struct host1x_channel {
  	struct list_head list;
  
  	unsigned int refcount;
  	unsigned int id;
  	struct mutex reflock;
  	struct mutex submitlock;
  	void __iomem *regs;
  	struct device *dev;
  	struct host1x_cdma cdma;
  };
  
  /* channel list operations */
  int host1x_channel_list_init(struct host1x *host);
  
  #define host1x_for_each_channel(host, channel)				\
  	list_for_each_entry(channel, &host->chlist.list, list)
  
  #endif