2 * Copyright 2014 Martin Peres
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Martin Peres
26 #include <core/device.h>
28 struct gm107_therm_priv
{
29 struct nvkm_therm_priv base
;
33 gm107_fan_pwm_ctrl(struct nvkm_therm
*therm
, int line
, bool enable
)
35 /* nothing to do, it seems hardwired */
40 gm107_fan_pwm_get(struct nvkm_therm
*therm
, int line
, u32
*divs
, u32
*duty
)
42 *divs
= nv_rd32(therm
, 0x10eb20) & 0x1fff;
43 *duty
= nv_rd32(therm
, 0x10eb24) & 0x1fff;
48 gm107_fan_pwm_set(struct nvkm_therm
*therm
, int line
, u32 divs
, u32 duty
)
50 nv_mask(therm
, 0x10eb10, 0x1fff, divs
); /* keep the high bits */
51 nv_wr32(therm
, 0x10eb14, duty
| 0x80000000);
56 gm107_fan_pwm_clock(struct nvkm_therm
*therm
, int line
)
58 return nv_device(therm
)->crystal
* 1000;
62 gm107_therm_ctor(struct nvkm_object
*parent
, struct nvkm_object
*engine
,
63 struct nvkm_oclass
*oclass
, void *data
, u32 size
,
64 struct nvkm_object
**pobject
)
66 struct gm107_therm_priv
*priv
;
69 ret
= nvkm_therm_create(parent
, engine
, oclass
, &priv
);
70 *pobject
= nv_object(priv
);
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
);
85 gm107_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
,