Files
Linux_Drivers/linux_5.10/drivers/gpu/host1x/channel.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

42 lines
886 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 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