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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);
struct host1x_channel *host1x_channel_request(struct device *dev);
void host1x_channel_free(struct host1x_channel *channel);
struct host1x_channel *host1x_channel_get(struct host1x_channel *channel);
void host1x_channel_put(struct host1x_channel *channel);
int host1x_job_submit(struct host1x_job *job);
#define host1x_for_each_channel(host, channel) \
list_for_each_entry(channel, &host->chlist.list, list)
#endif
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