gk104.c

  1/*
  2 * Copyright 2018 Red Hat Inc.
  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: Lyude Paul
 23 */
 24#include <core/device.h>
 25
 26#include "priv.h"
 27#include "gk104.h"
 28
 29void
 30gk104_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
 58void
 59gk104_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_func
 93gk104_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 int
109gk104_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
127int
128gk104_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}