diff options
author | Mahantesh Kumbar <mkumbar@nvidia.com> | 2016-09-19 01:37:46 -0400 |
---|---|---|
committer | Deepak Nibade <dnibade@nvidia.com> | 2016-12-27 04:56:50 -0500 |
commit | 173bdefc92e2e4ef8f1e7e6ead7f86e746bee935 (patch) | |
tree | 69d9a43a453e988c54927ade2f5ce04457eaf312 /drivers/gpu/nvgpu/volt/volt_policy.h | |
parent | db529935a5f50e9e683d44d2eb01d0d76a915792 (diff) |
gpu: nvgpu: add support for voltage config
- changes to read voltage tables from VBIOS
& create boardobj then send to pmu
- Rail, Device & Policy objects are read from VBIOS & created boardobjs
- RPC support to load, Set & get voltage.
JIRA DNVGPU-122
Change-Id: I61621a514eef9c081a64c4ab066f01dfc28f8402
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1222774
(cherry picked from commit 9da86d8c2c547623cf5f38c89afeb3f5bb1667ac)
Reviewed-on: http://git-master/r/1244656
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/volt/volt_policy.h')
-rw-r--r-- | drivers/gpu/nvgpu/volt/volt_policy.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/volt/volt_policy.h b/drivers/gpu/nvgpu/volt/volt_policy.h new file mode 100644 index 00000000..6adbfd43 --- /dev/null +++ b/drivers/gpu/nvgpu/volt/volt_policy.h | |||
@@ -0,0 +1,64 @@ | |||
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 _VOLT_POLICY_H_ | ||
15 | #define _VOLT_POLICY_H_ | ||
16 | |||
17 | #define VOLT_POLICY_INDEX_IS_VALID(pvolt, policy_idx) \ | ||
18 | (boardobjgrp_idxisvalid( \ | ||
19 | &((pvolt)->volt_policy_metadata.volt_policies.super), \ | ||
20 | (policy_idx))) | ||
21 | |||
22 | /*! | ||
23 | * extends boardobj providing attributes common to all voltage_policies. | ||
24 | */ | ||
25 | struct voltage_policy { | ||
26 | struct boardobj super; | ||
27 | }; | ||
28 | |||
29 | struct voltage_policy_metadata { | ||
30 | u8 perf_core_vf_seq_policy_idx; | ||
31 | struct boardobjgrp_e32 volt_policies; | ||
32 | }; | ||
33 | |||
34 | /*! | ||
35 | * extends voltage_policy providing attributes | ||
36 | * common to all voltage_policy_split_rail. | ||
37 | */ | ||
38 | struct voltage_policy_split_rail { | ||
39 | struct voltage_policy super; | ||
40 | u8 rail_idx_master; | ||
41 | u8 rail_idx_slave; | ||
42 | u8 delta_min_vfe_equ_idx; | ||
43 | u8 delta_max_vfe_equ_idx; | ||
44 | s32 offset_delta_min_uv; | ||
45 | s32 offset_delta_max_uv; | ||
46 | }; | ||
47 | |||
48 | struct voltage_policy_split_rail_single_step { | ||
49 | struct voltage_policy_split_rail super; | ||
50 | }; | ||
51 | |||
52 | struct voltage_policy_split_rail_multi_step { | ||
53 | struct voltage_policy_split_rail super; | ||
54 | u16 inter_switch_delay_us; | ||
55 | }; | ||
56 | |||
57 | struct voltage_policy_single_rail { | ||
58 | struct voltage_policy super; | ||
59 | u8 rail_idx; | ||
60 | }; | ||
61 | |||
62 | u32 volt_policy_sw_setup(struct gk20a *g); | ||
63 | u32 volt_policy_pmu_setup(struct gk20a *g); | ||
64 | #endif | ||