53 строки
1.5 KiB
C
53 строки
1.5 KiB
C
/*
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* Tegra host1x Channel
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*
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* Copyright (c) 2010-2013, NVIDIA Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __HOST1X_CHANNEL_H
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#define __HOST1X_CHANNEL_H
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#include <linux/io.h>
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#include "cdma.h"
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struct host1x;
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struct host1x_channel {
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struct list_head list;
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unsigned int refcount;
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unsigned int id;
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struct mutex reflock;
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struct mutex submitlock;
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void __iomem *regs;
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struct device *dev;
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struct host1x_cdma cdma;
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};
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/* channel list operations */
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int host1x_channel_list_init(struct host1x *host);
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struct host1x_channel *host1x_channel_request(struct device *dev);
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void host1x_channel_free(struct host1x_channel *channel);
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struct host1x_channel *host1x_channel_get(struct host1x_channel *channel);
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void host1x_channel_put(struct host1x_channel *channel);
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int host1x_job_submit(struct host1x_job *job);
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#define host1x_for_each_channel(host, channel) \
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list_for_each_entry(channel, &host->chlist.list, list)
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#endif
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