LXR linux/drivers/gpu/host1x/channel.h

   1/*
   2 * Tegra host1x Channel
   3 *
   4 * Copyright (c) 2010-2013, NVIDIA Corporation.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms and conditions of the GNU General Public License,
   8 * version 2, as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope it will be useful, but WITHOUT
  11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 * more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19#ifndef __HOST1X_CHANNEL_H
  20#define __HOST1X_CHANNEL_H
  21
  22#include <linux/io.h>
  23
  24#include "cdma.h"
  25
  26struct host1x;
  27
  28struct host1x_channel {
  29        struct list_head list;
  30
  31        unsigned int refcount;
  32        unsigned int id;
  33        struct mutex reflock;
  34        struct mutex submitlock;
  35        void __iomem *regs;
  36        struct device *dev;
  37        struct host1x_cdma cdma;
  38};
  39
  40/* channel list operations */
  41int host1x_channel_list_init(struct host1x *host);
  42
  43#define host1x_for_each_channel(host, channel)                          \
  44        list_for_each_entry(channel, &host->chlist.list, list)
  45
  46#endif
  47