| Terje Bergstrom | 6579324 | 2013-03-22 16:34:03 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Tegra host1x Channel |
| 3 | * |
| 4 | * Copyright (c) 2010-2013, NVIDIA Corporation. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms and conditions of the GNU General Public License, |
| 8 | * version 2, as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | * more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | |
| 19 | #ifndef __HOST1X_CHANNEL_H |
| 20 | #define __HOST1X_CHANNEL_H |
| 21 | |
| 22 | #include <linux/io.h> |
| 23 | |
| 24 | #include "cdma.h" |
| 25 | |
| 26 | struct host1x; |
| 27 | |
| 28 | struct host1x_channel { |
| 29 | struct list_head list; |
| 30 | |
| 31 | unsigned int refcount; |
| 32 | unsigned int id; |
| 33 | struct mutex reflock; |
| 34 | struct mutex submitlock; |
| 35 | void __iomem *regs; |
| 36 | struct device *dev; |
| 37 | struct host1x_cdma cdma; |
| 38 | }; |
| 39 | |
| 40 | /* channel list operations */ |
| 41 | int host1x_channel_list_init(struct host1x *host); |
| 42 | |
| 43 | struct host1x_channel *host1x_channel_request(struct device *dev); |
| 44 | void host1x_channel_free(struct host1x_channel *channel); |
| 45 | struct host1x_channel *host1x_channel_get(struct host1x_channel *channel); |
| 46 | void host1x_channel_put(struct host1x_channel *channel); |
| 47 | int host1x_job_submit(struct host1x_job *job); |
| 48 | |
| 49 | #define host1x_for_each_channel(host, channel) \ |
| 50 | list_for_each_entry(channel, &host->chlist.list, list) |
| 51 | |
| 52 | #endif |