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1/*2 * Copyright 2014 Martin Peres3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Martin Peres23 */24#include "priv.h"25 26static int27gm107_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable)28{29 /* nothing to do, it seems hardwired */30 return 0;31}32 33static int34gm107_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 42static int43gm107_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 51static int52gm107_fan_pwm_clock(struct nvkm_therm *therm, int line)53{54 return therm->subdev.device->crystal * 1000;55}56 57static const struct nvkm_therm_func58gm107_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 70int71gm107_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