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 31static int 32gm107_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable) 33{ 34 /* nothing to do, it seems hardwired */ 35 return 0; 36} 37 38static int 39gm107_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 47static int 48gm107_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 56static int 57gm107_fan_pwm_clock(struct nvkm_therm *therm, int line) 58{ 59 return therm->subdev.device->crystal * 1000; 60} 61 62static const struct nvkm_therm_func 63gm107_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 75int 76gm107_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