blob: 7068e42d42df47cd3778ea3982e4590e7e2b46a9 [file] [log] [blame]
* Tegra host1x Channel
* Copyright (c) 2010-2013, NVIDIA Corporation.
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <>.
#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);