1 /* $NetBSD: nouveau_nvkm_subdev_therm_gm107.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $ */
2
3 /*
4 * Copyright 2014 Martin Peres
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Martin Peres
25 */
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_therm_gm107.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $");
28
29 #include "priv.h"
30
31 static int
gm107_fan_pwm_ctrl(struct nvkm_therm * therm,int line,bool enable)32 gm107_fan_pwm_ctrl(struct nvkm_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 nvkm_therm * therm,int line,u32 * divs,u32 * duty)39 gm107_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty)
40 {
41 struct nvkm_device *device = therm->subdev.device;
42 *divs = nvkm_rd32(device, 0x10eb20) & 0x1fff;
43 *duty = nvkm_rd32(device, 0x10eb24) & 0x1fff;
44 return 0;
45 }
46
47 static int
gm107_fan_pwm_set(struct nvkm_therm * therm,int line,u32 divs,u32 duty)48 gm107_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty)
49 {
50 struct nvkm_device *device = therm->subdev.device;
51 nvkm_mask(device, 0x10eb10, 0x1fff, divs); /* keep the high bits */
52 nvkm_wr32(device, 0x10eb14, duty | 0x80000000);
53 return 0;
54 }
55
56 static int
gm107_fan_pwm_clock(struct nvkm_therm * therm,int line)57 gm107_fan_pwm_clock(struct nvkm_therm *therm, int line)
58 {
59 return therm->subdev.device->crystal * 1000;
60 }
61
62 static const struct nvkm_therm_func
63 gm107_therm = {
64 .init = gf119_therm_init,
65 .fini = g84_therm_fini,
66 .pwm_ctrl = gm107_fan_pwm_ctrl,
67 .pwm_get = gm107_fan_pwm_get,
68 .pwm_set = gm107_fan_pwm_set,
69 .pwm_clock = gm107_fan_pwm_clock,
70 .temp_get = g84_temp_get,
71 .fan_sense = gt215_therm_fan_sense,
72 .program_alarms = nvkm_therm_program_alarms_polling,
73 };
74
75 int
gm107_therm_new(struct nvkm_device * device,int index,struct nvkm_therm ** ptherm)76 gm107_therm_new(struct nvkm_device *device, int index,
77 struct nvkm_therm **ptherm)
78 {
79 return nvkm_therm_new_(&gm107_therm, device, index, ptherm);
80 }
81