linux/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c

/*
 * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
#define gk20a_pmu(p) …
#include "priv.h"

#include <subdev/clk.h>
#include <subdev/timer.h>
#include <subdev/volt.h>

#define BUSY_SLOT …
#define CLK_SLOT …

struct gk20a_pmu_dvfs_data { … };

struct gk20a_pmu { … };

struct gk20a_pmu_dvfs_dev_status { … };

static int
gk20a_pmu_dvfs_target(struct gk20a_pmu *pmu, int *state)
{ … }

static void
gk20a_pmu_dvfs_get_cur_state(struct gk20a_pmu *pmu, int *state)
{ … }

static int
gk20a_pmu_dvfs_get_target_state(struct gk20a_pmu *pmu,
				int *state, int load)
{ … }

static void
gk20a_pmu_dvfs_get_dev_status(struct gk20a_pmu *pmu,
			      struct gk20a_pmu_dvfs_dev_status *status)
{ … }

static void
gk20a_pmu_dvfs_reset_dev_status(struct gk20a_pmu *pmu)
{ … }

static void
gk20a_pmu_dvfs_work(struct nvkm_alarm *alarm)
{ … }

static void
gk20a_pmu_fini(struct nvkm_pmu *pmu)
{ … }

static int
gk20a_pmu_init(struct nvkm_pmu *pmu)
{ … }

static struct gk20a_pmu_dvfs_data
gk20a_dvfs_data= …;

static const struct nvkm_pmu_func
gk20a_pmu = …;

static const struct nvkm_pmu_fwif
gk20a_pmu_fwif[] = …;

int
gk20a_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
	      struct nvkm_pmu **ppmu)
{ … }