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1/*2 * Copyright 2018 Red Hat Inc.3 *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: Lyude Paul23 */24#include <core/device.h>25 26#include "priv.h"27#include "gk104.h"28 29void30gk104_clkgate_enable(struct nvkm_therm *base)31{32 struct gk104_therm *therm = gk104_therm(base);33 struct nvkm_device *dev = therm->base.subdev.device;34 const struct gk104_clkgate_engine_info *order = therm->clkgate_order;35 int i;36 37 /* Program ENG_MANT, ENG_FILTER */38 for (i = 0; order[i].type != NVKM_SUBDEV_NR; i++) {39 if (!nvkm_device_subdev(dev, order[i].type, order[i].inst))40 continue;41 42 nvkm_mask(dev, 0x20200 + order[i].offset, 0xff00, 0x4500);43 }44 45 /* magic */46 nvkm_wr32(dev, 0x020288, therm->idle_filter->fecs);47 nvkm_wr32(dev, 0x02028c, therm->idle_filter->hubmmu);48 49 /* Enable clockgating (ENG_CLK = RUN->AUTO) */50 for (i = 0; order[i].type != NVKM_SUBDEV_NR; i++) {51 if (!nvkm_device_subdev(dev, order[i].type, order[i].inst))52 continue;53 54 nvkm_mask(dev, 0x20200 + order[i].offset, 0x00ff, 0x0045);55 }56}57 58void59gk104_clkgate_fini(struct nvkm_therm *base, bool suspend)60{61 struct gk104_therm *therm = gk104_therm(base);62 struct nvkm_device *dev = therm->base.subdev.device;63 const struct gk104_clkgate_engine_info *order = therm->clkgate_order;64 int i;65 66 /* ENG_CLK = AUTO->RUN, ENG_PWR = RUN->AUTO */67 for (i = 0; order[i].type != NVKM_SUBDEV_NR; i++) {68 if (!nvkm_device_subdev(dev, order[i].type, order[i].inst))69 continue;70 71 nvkm_mask(dev, 0x20200 + order[i].offset, 0xff, 0x54);72 }73}74 75const struct gk104_clkgate_engine_info gk104_clkgate_engine_info[] = {76 { NVKM_ENGINE_GR, 0, 0x00 },77 { NVKM_ENGINE_MSPDEC, 0, 0x04 },78 { NVKM_ENGINE_MSPPP, 0, 0x08 },79 { NVKM_ENGINE_MSVLD, 0, 0x0c },80 { NVKM_ENGINE_CE, 0, 0x10 },81 { NVKM_ENGINE_CE, 1, 0x14 },82 { NVKM_ENGINE_MSENC, 0, 0x18 },83 { NVKM_ENGINE_CE, 2, 0x1c },84 { NVKM_SUBDEV_NR },85};86 87const struct gf100_idle_filter gk104_idle_filter = {88 .fecs = 0x00001000,89 .hubmmu = 0x00001000,90};91 92static const struct nvkm_therm_func93gk104_therm_func = {94 .init = gf119_therm_init,95 .fini = g84_therm_fini,96 .pwm_ctrl = gf119_fan_pwm_ctrl,97 .pwm_get = gf119_fan_pwm_get,98 .pwm_set = gf119_fan_pwm_set,99 .pwm_clock = gf119_fan_pwm_clock,100 .temp_get = g84_temp_get,101 .fan_sense = gt215_therm_fan_sense,102 .program_alarms = nvkm_therm_program_alarms_polling,103 .clkgate_init = gf100_clkgate_init,104 .clkgate_enable = gk104_clkgate_enable,105 .clkgate_fini = gk104_clkgate_fini,106};107 108static int109gk104_therm_new_(const struct nvkm_therm_func *func, struct nvkm_device *device,110 enum nvkm_subdev_type type, int inst,111 const struct gk104_clkgate_engine_info *clkgate_order,112 const struct gf100_idle_filter *idle_filter,113 struct nvkm_therm **ptherm)114{115 struct gk104_therm *therm = kzalloc(sizeof(*therm), GFP_KERNEL);116 117 if (!therm)118 return -ENOMEM;119 120 nvkm_therm_ctor(&therm->base, device, type, inst, func);121 *ptherm = &therm->base;122 therm->clkgate_order = clkgate_order;123 therm->idle_filter = idle_filter;124 return 0;125}126 127int128gk104_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_therm **ptherm)129{130 return gk104_therm_new_(&gk104_therm_func, device, type, inst,131 gk104_clkgate_engine_info, &gk104_idle_filter,132 ptherm);133}134