linux/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk104.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
 */
#define gk104_clk(p) …
#include "priv.h"
#include "pll.h"

#include <subdev/timer.h>
#include <subdev/bios.h>
#include <subdev/bios/pll.h>

struct gk104_clk_info { … };

struct gk104_clk { … };

static u32 read_div(struct gk104_clk *, int, u32, u32);
static u32 read_pll(struct gk104_clk *, u32);

static u32
read_vco(struct gk104_clk *clk, u32 dsrc)
{ … }

static u32
read_pll(struct gk104_clk *clk, u32 pll)
{ … }

static u32
read_div(struct gk104_clk *clk, int doff, u32 dsrc, u32 dctl)
{ … }

static u32
read_mem(struct gk104_clk *clk)
{ … }

static u32
read_clk(struct gk104_clk *clk, int idx)
{ … }

static int
gk104_clk_read(struct nvkm_clk *base, enum nv_clk_src src)
{ … }

static u32
calc_div(struct gk104_clk *clk, int idx, u32 ref, u32 freq, u32 *ddiv)
{ … }

static u32
calc_src(struct gk104_clk *clk, int idx, u32 freq, u32 *dsrc, u32 *ddiv)
{ … }

static u32
calc_pll(struct gk104_clk *clk, int idx, u32 freq, u32 *coef)
{ … }

static int
calc_clk(struct gk104_clk *clk,
	 struct nvkm_cstate *cstate, int idx, int dom)
{ … }

static int
gk104_clk_calc(struct nvkm_clk *base, struct nvkm_cstate *cstate)
{ … }

static void
gk104_clk_prog_0(struct gk104_clk *clk, int idx)
{ … }

static void
gk104_clk_prog_1_0(struct gk104_clk *clk, int idx)
{ … }

static void
gk104_clk_prog_1_1(struct gk104_clk *clk, int idx)
{ … }

static void
gk104_clk_prog_2(struct gk104_clk *clk, int idx)
{ … }

static void
gk104_clk_prog_3(struct gk104_clk *clk, int idx)
{ … }

static void
gk104_clk_prog_4_0(struct gk104_clk *clk, int idx)
{ … }

static void
gk104_clk_prog_4_1(struct gk104_clk *clk, int idx)
{ … }

static int
gk104_clk_prog(struct nvkm_clk *base)
{ … }

static void
gk104_clk_tidy(struct nvkm_clk *base)
{ … }

static const struct nvkm_clk_func
gk104_clk = …;

int
gk104_clk_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
	      struct nvkm_clk **pclk)
{ … }