1 /*
2 * Copyright 2014 Martin Peres
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: Martin Peres
23 */
24
25 #include "priv.h"
26
27 struct gm107_therm_priv {
28 struct nouveau_therm_priv base;
29 };
30
31 static int
gm107_fan_pwm_ctrl(struct nouveau_therm * therm,int line,bool enable)32 gm107_fan_pwm_ctrl(struct nouveau_therm *therm, int line, bool enable)
33 {
34 /* nothing to do, it seems hardwired */
35 return 0;
36 }
37
38 static int
gm107_fan_pwm_get(struct nouveau_therm * therm,int line,u32 * divs,u32 * duty)39 gm107_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty)
40 {
41 *divs = nv_rd32(therm, 0x10eb20) & 0x1fff;
42 *duty = nv_rd32(therm, 0x10eb24) & 0x1fff;
43 return 0;
44 }
45
46 static int
gm107_fan_pwm_set(struct nouveau_therm * therm,int line,u32 divs,u32 duty)47 gm107_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty)
48 {
49 nv_mask(therm, 0x10eb10, 0x1fff, divs); /* keep the high bits */
50 nv_wr32(therm, 0x10eb14, duty | 0x80000000);
51 return 0;
52 }
53
54 static int
gm107_fan_pwm_clock(struct nouveau_therm * therm,int line)55 gm107_fan_pwm_clock(struct nouveau_therm *therm, int line)
56 {
57 return nv_device(therm)->crystal * 1000;
58 }
59
60 static int
gm107_therm_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)61 gm107_therm_ctor(struct nouveau_object *parent,
62 struct nouveau_object *engine,
63 struct nouveau_oclass *oclass, void *data, u32 size,
64 struct nouveau_object **pobject)
65 {
66 struct gm107_therm_priv *priv;
67 int ret;
68
69 ret = nouveau_therm_create(parent, engine, oclass, &priv);
70 *pobject = nv_object(priv);
71 if (ret)
72 return ret;
73
74 priv->base.base.pwm_ctrl = gm107_fan_pwm_ctrl;
75 priv->base.base.pwm_get = gm107_fan_pwm_get;
76 priv->base.base.pwm_set = gm107_fan_pwm_set;
77 priv->base.base.pwm_clock = gm107_fan_pwm_clock;
78 priv->base.base.temp_get = nv84_temp_get;
79 priv->base.base.fan_sense = nva3_therm_fan_sense;
80 priv->base.sensor.program_alarms = nouveau_therm_program_alarms_polling;
81 return nouveau_therm_preinit(&priv->base.base);
82 }
83
84 struct nouveau_oclass
85 gm107_therm_oclass = {
86 .handle = NV_SUBDEV(THERM, 0x117),
87 .ofuncs = &(struct nouveau_ofuncs) {
88 .ctor = gm107_therm_ctor,
89 .dtor = _nouveau_therm_dtor,
90 .init = nvd0_therm_init,
91 .fini = nv84_therm_fini,
92 },
93 };
94