diff options
author | Lakshmanan M <lm@nvidia.com> | 2016-10-21 07:27:15 -0400 |
---|---|---|
committer | Deepak Nibade <dnibade@nvidia.com> | 2016-12-27 04:56:51 -0500 |
commit | 58b85dd106f35d16ff568f8836dcbc7a019854b4 (patch) | |
tree | a87c10e83f020bd9f414fa4dd0bea74d961034b3 /drivers/gpu/nvgpu/therm/thrmdev.c | |
parent | 2f4405ddcb1cd7bb939d3b22ab72789afb435da6 (diff) |
gpu: nvgpu: Add thermal module support
The following CL contains the following VBIOS thermal table parsing
and PMU interface support.
1) Thermal device table
2) Thermal channel table
JIRA DNVGPU-130
Change-Id: Ie3abab4bf099a022b1b59db96811c2ed44079519
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1240630
(cherry picked from commit 814962a4be0a8cd0cddc7bc5211c62308ab1fea2)
Reviewed-on: http://git-master/r/1246210
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/therm/thrmdev.c')
-rw-r--r-- | drivers/gpu/nvgpu/therm/thrmdev.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/therm/thrmdev.c b/drivers/gpu/nvgpu/therm/thrmdev.c new file mode 100644 index 00000000..83ac9739 --- /dev/null +++ b/drivers/gpu/nvgpu/therm/thrmdev.c | |||
@@ -0,0 +1,193 @@ | |||
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 | #include "gk20a/gk20a.h" | ||
15 | #include "thrmdev.h" | ||
16 | #include "include/bios.h" | ||
17 | #include "boardobj/boardobjgrp.h" | ||
18 | #include "boardobj/boardobjgrp_e32.h" | ||
19 | #include "pmuif/gpmuifboardobj.h" | ||
20 | #include "pmuif/gpmuifthermsensor.h" | ||
21 | #include "gm206/bios_gm206.h" | ||
22 | #include "gk20a/pmu_gk20a.h" | ||
23 | #include "ctrl/ctrltherm.h" | ||
24 | |||
25 | static struct boardobj *construct_therm_device(struct gk20a *g, | ||
26 | void *pargs, u16 pargs_size, u8 type) | ||
27 | { | ||
28 | struct boardobj *board_obj_ptr = NULL; | ||
29 | u32 status; | ||
30 | |||
31 | status = boardobj_construct_super(g, &board_obj_ptr, | ||
32 | pargs_size, pargs); | ||
33 | if (status) | ||
34 | return NULL; | ||
35 | |||
36 | gk20a_dbg_info(" Done"); | ||
37 | |||
38 | return board_obj_ptr; | ||
39 | } | ||
40 | |||
41 | static u32 _therm_device_pmudata_instget(struct gk20a *g, | ||
42 | struct nv_pmu_boardobjgrp *pmuboardobjgrp, | ||
43 | struct nv_pmu_boardobj **ppboardobjpmudata, | ||
44 | u8 idx) | ||
45 | { | ||
46 | struct nv_pmu_therm_therm_device_boardobj_grp_set *pgrp_set = | ||
47 | (struct nv_pmu_therm_therm_device_boardobj_grp_set *) | ||
48 | pmuboardobjgrp; | ||
49 | |||
50 | gk20a_dbg_info(""); | ||
51 | |||
52 | /*check whether pmuboardobjgrp has a valid boardobj in index*/ | ||
53 | if (((u32)BIT(idx) & | ||
54 | pgrp_set->hdr.data.super.obj_mask.super.data[0]) == 0) | ||
55 | return -EINVAL; | ||
56 | |||
57 | *ppboardobjpmudata = (struct nv_pmu_boardobj *) | ||
58 | &pgrp_set->objects[idx].data; | ||
59 | |||
60 | gk20a_dbg_info(" Done"); | ||
61 | |||
62 | return 0; | ||
63 | } | ||
64 | |||
65 | static u32 devinit_get_therm_device_table(struct gk20a *g, | ||
66 | struct therm_devices *pthermdeviceobjs) | ||
67 | { | ||
68 | u32 status = 0; | ||
69 | u8 *therm_device_table_ptr = NULL; | ||
70 | u8 *curr_therm_device_table_ptr = NULL; | ||
71 | struct boardobj *boardobj; | ||
72 | struct therm_device_1x_header therm_device_table_header = { 0 }; | ||
73 | struct therm_device_1x_entry *therm_device_table_entry = NULL; | ||
74 | u32 index; | ||
75 | u32 obj_index = 0; | ||
76 | u16 therm_device_size = 0; | ||
77 | union { | ||
78 | struct boardobj boardobj; | ||
79 | struct therm_device therm_device; | ||
80 | } therm_device_data; | ||
81 | |||
82 | gk20a_dbg_info(""); | ||
83 | |||
84 | if (g->ops.bios.get_perf_table_ptrs) { | ||
85 | therm_device_table_ptr = (u8 *)g->ops.bios.get_perf_table_ptrs(g, | ||
86 | g->bios.perf_token, THERMAL_DEVICE_TABLE); | ||
87 | if (therm_device_table_ptr == NULL) { | ||
88 | status = -EINVAL; | ||
89 | goto done; | ||
90 | } | ||
91 | } | ||
92 | |||
93 | memcpy(&therm_device_table_header, therm_device_table_ptr, | ||
94 | VBIOS_THERM_DEVICE_1X_HEADER_SIZE_04); | ||
95 | |||
96 | if (therm_device_table_header.version != | ||
97 | VBIOS_THERM_DEVICE_VERSION_1X) { | ||
98 | status = -EINVAL; | ||
99 | goto done; | ||
100 | } | ||
101 | |||
102 | if (therm_device_table_header.header_size < | ||
103 | VBIOS_THERM_DEVICE_1X_HEADER_SIZE_04) { | ||
104 | status = -EINVAL; | ||
105 | goto done; | ||
106 | } | ||
107 | |||
108 | curr_therm_device_table_ptr = (therm_device_table_ptr + | ||
109 | VBIOS_THERM_DEVICE_1X_HEADER_SIZE_04); | ||
110 | |||
111 | for (index = 0; index < therm_device_table_header.num_table_entries; | ||
112 | index++) { | ||
113 | therm_device_table_entry = (struct therm_device_1x_entry *) | ||
114 | (curr_therm_device_table_ptr + | ||
115 | (therm_device_table_header.table_entry_size * index)); | ||
116 | |||
117 | if (therm_device_table_entry->class_id != | ||
118 | NV_VBIOS_THERM_DEVICE_1X_ENTRY_CLASS_GPU) { | ||
119 | continue; | ||
120 | } | ||
121 | |||
122 | therm_device_size = sizeof(struct therm_device); | ||
123 | therm_device_data.boardobj.type = CTRL_THERMAL_THERM_DEVICE_CLASS_GPU; | ||
124 | |||
125 | boardobj = construct_therm_device(g, &therm_device_data, | ||
126 | therm_device_size, therm_device_data.boardobj.type); | ||
127 | |||
128 | if (!boardobj) { | ||
129 | gk20a_err(dev_from_gk20a(g), | ||
130 | "unable to create thermal device for %d type %d", | ||
131 | index, therm_device_data.boardobj.type); | ||
132 | status = -EINVAL; | ||
133 | goto done; | ||
134 | } | ||
135 | |||
136 | status = boardobjgrp_objinsert(&pthermdeviceobjs->super.super, | ||
137 | boardobj, obj_index); | ||
138 | |||
139 | if (status) { | ||
140 | gk20a_err(dev_from_gk20a(g), | ||
141 | "unable to insert thermal device boardobj for %d", index); | ||
142 | status = -EINVAL; | ||
143 | goto done; | ||
144 | } | ||
145 | |||
146 | ++obj_index; | ||
147 | } | ||
148 | |||
149 | done: | ||
150 | gk20a_dbg_info(" done status %x", status); | ||
151 | return status; | ||
152 | } | ||
153 | |||
154 | u32 therm_device_sw_setup(struct gk20a *g) | ||
155 | { | ||
156 | u32 status; | ||
157 | struct boardobjgrp *pboardobjgrp = NULL; | ||
158 | struct therm_devices *pthermdeviceobjs; | ||
159 | |||
160 | /* Construct the Super Class and override the Interfaces */ | ||
161 | status = boardobjgrpconstruct_e32(&g->therm_pmu.therm_deviceobjs.super); | ||
162 | if (status) { | ||
163 | gk20a_err(dev_from_gk20a(g), | ||
164 | "error creating boardobjgrp for therm devices, status - 0x%x", | ||
165 | status); | ||
166 | goto done; | ||
167 | } | ||
168 | |||
169 | pboardobjgrp = &g->therm_pmu.therm_deviceobjs.super.super; | ||
170 | pthermdeviceobjs = &(g->therm_pmu.therm_deviceobjs); | ||
171 | |||
172 | /* Override the Interfaces */ | ||
173 | pboardobjgrp->pmudatainstget = _therm_device_pmudata_instget; | ||
174 | |||
175 | status = devinit_get_therm_device_table(g, pthermdeviceobjs); | ||
176 | if (status) | ||
177 | goto done; | ||
178 | |||
179 | BOARDOBJGRP_PMU_CONSTRUCT(pboardobjgrp, THERM, THERM_DEVICE); | ||
180 | |||
181 | status = BOARDOBJGRP_PMU_CMD_GRP_SET_CONSTRUCT(g, pboardobjgrp, | ||
182 | therm, THERM, therm_device, THERM_DEVICE); | ||
183 | if (status) { | ||
184 | gk20a_err(dev_from_gk20a(g), | ||
185 | "error constructing PMU_BOARDOBJ_CMD_GRP_SET interface - 0x%x", | ||
186 | status); | ||
187 | goto done; | ||
188 | } | ||
189 | |||
190 | done: | ||
191 | gk20a_dbg_info(" done status %x", status); | ||
192 | return status; | ||
193 | } | ||