diff options
Diffstat (limited to 'drivers/gpu/nvgpu/clk/clk_mclk.h')
-rw-r--r-- | drivers/gpu/nvgpu/clk/clk_mclk.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/clk/clk_mclk.h b/drivers/gpu/nvgpu/clk/clk_mclk.h new file mode 100644 index 00000000..cb7f0de0 --- /dev/null +++ b/drivers/gpu/nvgpu/clk/clk_mclk.h | |||
@@ -0,0 +1,52 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms and conditions of the GNU General Public License, | ||
6 | * version 2, as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
11 | * more details. | ||
12 | */ | ||
13 | |||
14 | #ifndef _CLKMCLK_H_ | ||
15 | #define _CLKMCLK_H_ | ||
16 | |||
17 | #include <linux/mutex.h> | ||
18 | |||
19 | enum gk20a_mclk_speed { | ||
20 | gk20a_mclk_low_speed, | ||
21 | gk20a_mclk_mid_speed, | ||
22 | gk20a_mclk_high_speed, | ||
23 | }; | ||
24 | |||
25 | struct clk_mclk_state { | ||
26 | enum gk20a_mclk_speed speed; | ||
27 | struct mutex mclk_lock; | ||
28 | struct mutex data_lock; | ||
29 | |||
30 | u16 p5_min; | ||
31 | u16 p0_min; | ||
32 | |||
33 | void *vreg_buf; | ||
34 | bool init; | ||
35 | |||
36 | /* function pointers */ | ||
37 | int (*change)(struct gk20a *g, u16 val); | ||
38 | |||
39 | #ifdef CONFIG_DEBUG_FS | ||
40 | s64 switch_max; | ||
41 | s64 switch_min; | ||
42 | u64 switch_num; | ||
43 | s64 switch_avg; | ||
44 | s64 switch_std; | ||
45 | bool debugfs_set; | ||
46 | #endif | ||
47 | }; | ||
48 | |||
49 | int clk_mclkseq_init_mclk_gddr5(struct gk20a *g); | ||
50 | int clk_mclkseq_change_mclk_gddr5(struct gk20a *g, u16 val); | ||
51 | |||
52 | #endif | ||