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/* 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 <linux/mutex.h>
#include "cdma.h"
struct host1x;
struct host1x_channel;
struct host1x_channel_list {
struct host1x_channel *channels;
struct mutex lock;
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);
void host1x_channel_stop_all(struct host1x *host);
#endif
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