linux/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.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 nv50_ram(p) …
#include "ram.h"
#include "ramseq.h"
#include "nv50.h"

#include <core/option.h>
#include <subdev/bios.h>
#include <subdev/bios/perf.h>
#include <subdev/bios/pll.h>
#include <subdev/bios/rammap.h>
#include <subdev/bios/timing.h>
#include <subdev/clk/pll.h>
#include <subdev/gpio.h>

struct nv50_ramseq { … };

struct nv50_ram { … };

#define T …
static int
nv50_ram_timing_calc(struct nv50_ram *ram, u32 *timing)
{ … }

static int
nv50_ram_timing_read(struct nv50_ram *ram, u32 *timing)
{ … }
#undef T

static void
nvkm_sddr2_dll_reset(struct nv50_ramseq *hwsq)
{ … }

static void
nv50_ram_gpio(struct nv50_ramseq *hwsq, u8 tag, u32 val)
{ … }

static int
nv50_ram_calc(struct nvkm_ram *base, u32 freq)
{ … }

static int
nv50_ram_prog(struct nvkm_ram *base)
{ … }

static void
nv50_ram_tidy(struct nvkm_ram *base)
{ … }

static const struct nvkm_ram_func
nv50_ram_func = …;

static u32
nv50_fb_vram_rblock(struct nvkm_ram *ram)
{ … }

int
nv50_ram_ctor(const struct nvkm_ram_func *func,
	      struct nvkm_fb *fb, struct nvkm_ram *ram)
{ … }

int
nv50_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
{ … }