diff options
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/gk20a_scale.h')
-rw-r--r-- | drivers/gpu/nvgpu/gk20a/gk20a_scale.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/gk20a_scale.h b/drivers/gpu/nvgpu/gk20a/gk20a_scale.h new file mode 100644 index 00000000..e76b1662 --- /dev/null +++ b/drivers/gpu/nvgpu/gk20a/gk20a_scale.h | |||
@@ -0,0 +1,51 @@ | |||
1 | /* | ||
2 | * gk20a clock scaling profile | ||
3 | * | ||
4 | * Copyright (c) 2013-2014, NVIDIA Corporation. All rights reserved. | ||
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 GK20A_SCALE_H | ||
20 | #define GK20A_SCALE_H | ||
21 | |||
22 | #include <linux/nvhost.h> | ||
23 | #include <linux/devfreq.h> | ||
24 | |||
25 | struct platform_device; | ||
26 | struct clk; | ||
27 | |||
28 | struct gk20a_scale_profile { | ||
29 | struct platform_device *pdev; | ||
30 | ktime_t last_event_time; | ||
31 | struct devfreq_dev_profile devfreq_profile; | ||
32 | struct devfreq_dev_status dev_stat; | ||
33 | struct notifier_block qos_notify_block; | ||
34 | void *private_data; | ||
35 | }; | ||
36 | |||
37 | /* Initialization and de-initialization for module */ | ||
38 | void gk20a_scale_init(struct platform_device *); | ||
39 | void gk20a_scale_hw_init(struct platform_device *pdev); | ||
40 | |||
41 | /* | ||
42 | * call when performing submit to notify scaling mechanism that the module is | ||
43 | * in use | ||
44 | */ | ||
45 | void gk20a_scale_notify_busy(struct platform_device *); | ||
46 | void gk20a_scale_notify_idle(struct platform_device *); | ||
47 | |||
48 | void gk20a_scale_suspend(struct platform_device *); | ||
49 | void gk20a_scale_resume(struct platform_device *); | ||
50 | |||
51 | #endif | ||