linux/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c

/*
 * Copyright 2013 Red Hat Inc.
 *
 * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Ben Skeggs
 */
#include "priv.h"

#include <subdev/bios.h>
#include <subdev/bios/boost.h>
#include <subdev/bios/cstep.h>
#include <subdev/bios/perf.h>
#include <subdev/bios/vpstate.h>
#include <subdev/fb.h>
#include <subdev/therm.h>
#include <subdev/volt.h>

#include <core/option.h>

/******************************************************************************
 * misc
 *****************************************************************************/
static u32
nvkm_clk_adjust(struct nvkm_clk *clk, bool adjust,
		u8 pstate, u8 domain, u32 input)
{ … }

/******************************************************************************
 * C-States
 *****************************************************************************/
static bool
nvkm_cstate_valid(struct nvkm_clk *clk, struct nvkm_cstate *cstate,
		  u32 max_volt, int temp)
{ … }

static struct nvkm_cstate *
nvkm_cstate_find_best(struct nvkm_clk *clk, struct nvkm_pstate *pstate,
		      struct nvkm_cstate *cstate)
{ … }

static struct nvkm_cstate *
nvkm_cstate_get(struct nvkm_clk *clk, struct nvkm_pstate *pstate, int cstatei)
{ … }

static int
nvkm_cstate_prog(struct nvkm_clk *clk, struct nvkm_pstate *pstate, int cstatei)
{ … }

static void
nvkm_cstate_del(struct nvkm_cstate *cstate)
{ … }

static int
nvkm_cstate_new(struct nvkm_clk *clk, int idx, struct nvkm_pstate *pstate)
{ … }

/******************************************************************************
 * P-States
 *****************************************************************************/
static int
nvkm_pstate_prog(struct nvkm_clk *clk, int pstatei)
{ … }

static void
nvkm_pstate_work(struct work_struct *work)
{ … }

static int
nvkm_pstate_calc(struct nvkm_clk *clk, bool wait)
{ … }

static void
nvkm_pstate_info(struct nvkm_clk *clk, struct nvkm_pstate *pstate)
{ … }

static void
nvkm_pstate_del(struct nvkm_pstate *pstate)
{ … }

static int
nvkm_pstate_new(struct nvkm_clk *clk, int idx)
{ … }

/******************************************************************************
 * Adjustment triggers
 *****************************************************************************/
static int
nvkm_clk_ustate_update(struct nvkm_clk *clk, int req)
{ … }

static int
nvkm_clk_nstate(struct nvkm_clk *clk, const char *mode, int arglen)
{ … }

int
nvkm_clk_ustate(struct nvkm_clk *clk, int req, int pwr)
{ … }

int
nvkm_clk_astate(struct nvkm_clk *clk, int req, int rel, bool wait)
{ … }

int
nvkm_clk_tstate(struct nvkm_clk *clk, u8 temp)
{ … }

int
nvkm_clk_dstate(struct nvkm_clk *clk, int req, int rel)
{ … }

int
nvkm_clk_pwrsrc(struct nvkm_device *device)
{ … }

/******************************************************************************
 * subdev base class implementation
 *****************************************************************************/

int
nvkm_clk_read(struct nvkm_clk *clk, enum nv_clk_src src)
{ … }

static int
nvkm_clk_fini(struct nvkm_subdev *subdev, bool suspend)
{ … }

static int
nvkm_clk_init(struct nvkm_subdev *subdev)
{ … }

static void *
nvkm_clk_dtor(struct nvkm_subdev *subdev)
{ … }

static const struct nvkm_subdev_func
nvkm_clk = …;

int
nvkm_clk_ctor(const struct nvkm_clk_func *func, struct nvkm_device *device,
	      enum nvkm_subdev_type type, int inst, bool allow_reclock, struct nvkm_clk *clk)
{ … }

int
nvkm_clk_new_(const struct nvkm_clk_func *func, struct nvkm_device *device,
	      enum nvkm_subdev_type type, int inst, bool allow_reclock, struct nvkm_clk **pclk)
{ … }