diff options
Diffstat (limited to 'drivers/gpu/host1x/channel.h')
| -rw-r--r-- | drivers/gpu/host1x/channel.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/channel.h b/drivers/gpu/host1x/channel.h new file mode 100644 index 000000000..7068e42d4 --- /dev/null +++ b/drivers/gpu/host1x/channel.h @@ -0,0 +1,51 @@ +/* + * 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 |