/* * 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 <http://www.gnu.org/licenses/>. */ #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