mirror of https://gitee.com/openkylin/linux.git
41 lines
855 B
C
41 lines
855 B
C
/* 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 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
|