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 static int
gm107_fan_pwm_ctrl(struct nvkm_therm * therm,int line,bool enable)27 gm107_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable)
28 {
29 /* nothing to do, it seems hardwired */
30 return 0;
31 }
32
33 static int
gm107_fan_pwm_get(struct nvkm_therm * therm,int line,u32 * divs,u32 * duty)34 gm107_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty)
35 {
36 struct nvkm_device *device = therm->subdev.device;
37 *divs = nvkm_rd32(device, 0x10eb20) & 0x1fff;
38 *duty = nvkm_rd32(device, 0x10eb24) & 0x1fff;
39 return 0;
40 }
41
42 static int
gm107_fan_pwm_set(struct nvkm_therm * therm,int line,u32 divs,u32 duty)43 gm107_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty)
44 {
45 struct nvkm_device *device = therm->subdev.device;
46 nvkm_mask(device, 0x10eb10, 0x1fff, divs); /* keep the high bits */
47 nvkm_wr32(device, 0x10eb14, duty | 0x80000000);
48 return 0;
49 }
50
51 static int
gm107_fan_pwm_clock(struct nvkm_therm * therm,int line)52 gm107_fan_pwm_clock(struct nvkm_therm *therm, int line)
53 {
54 return therm->subdev.device->crystal * 1000;
55 }
56
57 static const struct nvkm_therm_func
58 gm107_therm = {
59 .init = gf119_therm_init,
60 .fini = g84_therm_fini,
61 .pwm_ctrl = gm107_fan_pwm_ctrl,
62 .pwm_get = gm107_fan_pwm_get,
63 .pwm_set = gm107_fan_pwm_set,
64 .pwm_clock = gm107_fan_pwm_clock,
65 .temp_get = g84_temp_get,
66 .fan_sense = gt215_therm_fan_sense,
67 .program_alarms = nvkm_therm_program_alarms_polling,
68 };
69
70 int
gm107_therm_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_therm ** ptherm)71 gm107_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
72 struct nvkm_therm **ptherm)
73 {
74 return nvkm_therm_new_(&gm107_therm, device, type, inst, ptherm);
75 }
76