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v0.8.1
swh:1:snp:a902887e4be9191b7c6c4406aa06b31c1ce2c7cc
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Tip revision: 03c765b0e3b4cb5063276b086c76f7a612856a9a authored by Linus Torvalds on 26 June 2022, 21:22:10 UTC
Linux 5.19-rc4
Tip revision: 03c765b
channel.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Tegra host1x Channel
 *
 * Copyright (c) 2010-2013, NVIDIA Corporation.
 */

#ifndef __HOST1X_CHANNEL_H
#define __HOST1X_CHANNEL_H

#include <linux/io.h>
#include <linux/kref.h>

#include "cdma.h"

struct host1x;
struct host1x_channel;

struct host1x_channel_list {
	struct host1x_channel *channels;
	unsigned long *allocated_channels;
};

struct host1x_channel {
	struct kref refcount;
	unsigned int id;
	struct mutex submitlock;
	void __iomem *regs;
	struct host1x_client *client;
	struct device *dev;
	struct host1x_cdma cdma;
};

/* channel list operations */
int host1x_channel_list_init(struct host1x_channel_list *chlist,
			     unsigned int num_channels);
void host1x_channel_list_free(struct host1x_channel_list *chlist);
struct host1x_channel *host1x_channel_get_index(struct host1x *host,
						unsigned int index);

#endif
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