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#include "priv.h"
25
26#include <core/device.h>
27
28struct gm107_therm_priv {
29	struct nvkm_therm_priv base;
30};
31
32static int
33gm107_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable)
34{
35	/* nothing to do, it seems hardwired */
36	return 0;
37}
38
39static int
40gm107_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty)
41{
42	*divs = nv_rd32(therm, 0x10eb20) & 0x1fff;
43	*duty = nv_rd32(therm, 0x10eb24) & 0x1fff;
44	return 0;
45}
46
47static int
48gm107_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty)
49{
50	nv_mask(therm, 0x10eb10, 0x1fff, divs); /* keep the high bits */
51	nv_wr32(therm, 0x10eb14, duty | 0x80000000);
52	return 0;
53}
54
55static int
56gm107_fan_pwm_clock(struct nvkm_therm *therm, int line)
57{
58	return nv_device(therm)->crystal * 1000;
59}
60
61static int
62gm107_therm_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
63		 struct nvkm_oclass *oclass, void *data, u32 size,
64		 struct nvkm_object **pobject)
65{
66	struct gm107_therm_priv *priv;
67	int ret;
68
69	ret = nvkm_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 = g84_temp_get;
79	priv->base.base.fan_sense = gt215_therm_fan_sense;
80	priv->base.sensor.program_alarms = nvkm_therm_program_alarms_polling;
81	return nvkm_therm_preinit(&priv->base.base);
82}
83
84struct nvkm_oclass
85gm107_therm_oclass = {
86	.handle = NV_SUBDEV(THERM, 0x117),
87	.ofuncs = &(struct nvkm_ofuncs) {
88		.ctor = gm107_therm_ctor,
89		.dtor = _nvkm_therm_dtor,
90		.init = gf110_therm_init,
91		.fini = g84_therm_fini,
92	},
93};
94