1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Tegra host1x Channel
 4 *
 5 * Copyright (c) 2010-2013, NVIDIA Corporation.
 6 */
 7
 8#ifndef __HOST1X_CHANNEL_H
 9#define __HOST1X_CHANNEL_H
10
11#include <linux/io.h>
12#include <linux/kref.h>
13
14#include "cdma.h"
15
16struct host1x;
17struct host1x_channel;
18
19struct host1x_channel_list {
20	struct host1x_channel *channels;
21	unsigned long *allocated_channels;
22};
23
24struct host1x_channel {
25	struct kref refcount;
26	unsigned int id;
27	struct mutex submitlock;
28	void __iomem *regs;
29	struct host1x_client *client;
30	struct device *dev;
31	struct host1x_cdma cdma;
32};
33
34/* channel list operations */
35int host1x_channel_list_init(struct host1x_channel_list *chlist,
36			     unsigned int num_channels);
37void host1x_channel_list_free(struct host1x_channel_list *chlist);
38struct host1x_channel *host1x_channel_get_index(struct host1x *host,
39						unsigned int index);
40
41#endif