1 /*
2 * Copyright 2018 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Lyude Paul
23 */
24 #include <core/device.h>
25
26 #include "priv.h"
27 #include "gk104.h"
28
29 void
gk104_clkgate_enable(struct nvkm_therm * base)30 gk104_clkgate_enable(struct nvkm_therm *base)
31 {
32 struct gk104_therm *therm = gk104_therm(base);
33 struct nvkm_device *dev = therm->base.subdev.device;
34 const struct gk104_clkgate_engine_info *order = therm->clkgate_order;
35 int i;
36
37 /* Program ENG_MANT, ENG_FILTER */
38 for (i = 0; order[i].type != NVKM_SUBDEV_NR; i++) {
39 if (!nvkm_device_subdev(dev, order[i].type, order[i].inst))
40 continue;
41
42 nvkm_mask(dev, 0x20200 + order[i].offset, 0xff00, 0x4500);
43 }
44
45 /* magic */
46 nvkm_wr32(dev, 0x020288, therm->idle_filter->fecs);
47 nvkm_wr32(dev, 0x02028c, therm->idle_filter->hubmmu);
48
49 /* Enable clockgating (ENG_CLK = RUN->AUTO) */
50 for (i = 0; order[i].type != NVKM_SUBDEV_NR; i++) {
51 if (!nvkm_device_subdev(dev, order[i].type, order[i].inst))
52 continue;
53
54 nvkm_mask(dev, 0x20200 + order[i].offset, 0x00ff, 0x0045);
55 }
56 }
57
58 void
gk104_clkgate_fini(struct nvkm_therm * base,bool suspend)59 gk104_clkgate_fini(struct nvkm_therm *base, bool suspend)
60 {
61 struct gk104_therm *therm = gk104_therm(base);
62 struct nvkm_device *dev = therm->base.subdev.device;
63 const struct gk104_clkgate_engine_info *order = therm->clkgate_order;
64 int i;
65
66 /* ENG_CLK = AUTO->RUN, ENG_PWR = RUN->AUTO */
67 for (i = 0; order[i].type != NVKM_SUBDEV_NR; i++) {
68 if (!nvkm_device_subdev(dev, order[i].type, order[i].inst))
69 continue;
70
71 nvkm_mask(dev, 0x20200 + order[i].offset, 0xff, 0x54);
72 }
73 }
74
75 const struct gk104_clkgate_engine_info gk104_clkgate_engine_info[] = {
76 { NVKM_ENGINE_GR, 0, 0x00 },
77 { NVKM_ENGINE_MSPDEC, 0, 0x04 },
78 { NVKM_ENGINE_MSPPP, 0, 0x08 },
79 { NVKM_ENGINE_MSVLD, 0, 0x0c },
80 { NVKM_ENGINE_CE, 0, 0x10 },
81 { NVKM_ENGINE_CE, 1, 0x14 },
82 { NVKM_ENGINE_MSENC, 0, 0x18 },
83 { NVKM_ENGINE_CE, 2, 0x1c },
84 { NVKM_SUBDEV_NR },
85 };
86
87 const struct gf100_idle_filter gk104_idle_filter = {
88 .fecs = 0x00001000,
89 .hubmmu = 0x00001000,
90 };
91
92 static const struct nvkm_therm_func
93 gk104_therm_func = {
94 .init = gf119_therm_init,
95 .fini = g84_therm_fini,
96 .pwm_ctrl = gf119_fan_pwm_ctrl,
97 .pwm_get = gf119_fan_pwm_get,
98 .pwm_set = gf119_fan_pwm_set,
99 .pwm_clock = gf119_fan_pwm_clock,
100 .temp_get = g84_temp_get,
101 .fan_sense = gt215_therm_fan_sense,
102 .program_alarms = nvkm_therm_program_alarms_polling,
103 .clkgate_init = gf100_clkgate_init,
104 .clkgate_enable = gk104_clkgate_enable,
105 .clkgate_fini = gk104_clkgate_fini,
106 };
107
108 static int
gk104_therm_new_(const struct nvkm_therm_func * func,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,const struct gk104_clkgate_engine_info * clkgate_order,const struct gf100_idle_filter * idle_filter,struct nvkm_therm ** ptherm)109 gk104_therm_new_(const struct nvkm_therm_func *func, struct nvkm_device *device,
110 enum nvkm_subdev_type type, int inst,
111 const struct gk104_clkgate_engine_info *clkgate_order,
112 const struct gf100_idle_filter *idle_filter,
113 struct nvkm_therm **ptherm)
114 {
115 struct gk104_therm *therm = kzalloc(sizeof(*therm), GFP_KERNEL);
116
117 if (!therm)
118 return -ENOMEM;
119
120 nvkm_therm_ctor(&therm->base, device, type, inst, func);
121 *ptherm = &therm->base;
122 therm->clkgate_order = clkgate_order;
123 therm->idle_filter = idle_filter;
124 return 0;
125 }
126
127 int
gk104_therm_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_therm ** ptherm)128 gk104_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_therm **ptherm)
129 {
130 return gk104_therm_new_(&gk104_therm_func, device, type, inst,
131 gk104_clkgate_engine_info, &gk104_idle_filter,
132 ptherm);
133 }
134