alistair23-linux/drivers/gpu/drm/tegra/hub.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

100 lines
2.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2017 NVIDIA CORPORATION. All rights reserved.
*/
#ifndef TEGRA_HUB_H
#define TEGRA_HUB_H 1
#include <drm/drmP.h>
#include <drm/drm_plane.h>
#include "plane.h"
struct tegra_dc;
struct tegra_windowgroup {
unsigned int usecount;
struct mutex lock;
unsigned int index;
struct device *parent;
struct reset_control *rst;
};
struct tegra_shared_plane {
struct tegra_plane base;
struct tegra_windowgroup *wgrp;
};
static inline struct tegra_shared_plane *
to_tegra_shared_plane(struct drm_plane *plane)
{
return container_of(plane, struct tegra_shared_plane, base.base);
}
struct tegra_display_hub_soc {
unsigned int num_wgrps;
bool supports_dsc;
};
struct tegra_display_hub {
struct drm_private_obj base;
struct host1x_client client;
struct clk *clk_disp;
struct clk *clk_dsc;
struct clk *clk_hub;
struct reset_control *rst;
unsigned int num_heads;
struct clk **clk_heads;
const struct tegra_display_hub_soc *soc;
struct tegra_windowgroup *wgrps;
};
static inline struct tegra_display_hub *
to_tegra_display_hub(struct host1x_client *client)
{
return container_of(client, struct tegra_display_hub, client);
}
struct tegra_display_hub_state {
struct drm_private_state base;
struct tegra_dc *dc;
unsigned long rate;
struct clk *clk;
};
static inline struct tegra_display_hub_state *
to_tegra_display_hub_state(struct drm_private_state *priv)
{
return container_of(priv, struct tegra_display_hub_state, base);
}
struct tegra_dc;
struct tegra_plane;
int tegra_display_hub_prepare(struct tegra_display_hub *hub);
void tegra_display_hub_cleanup(struct tegra_display_hub *hub);
struct drm_plane *tegra_shared_plane_create(struct drm_device *drm,
struct tegra_dc *dc,
unsigned int wgrp,
unsigned int index);
int tegra_display_hub_atomic_check(struct drm_device *drm,
struct drm_atomic_state *state);
void tegra_display_hub_atomic_commit(struct drm_device *drm,
struct drm_atomic_state *state);
#define DC_CMD_IHUB_COMMON_MISC_CTL 0x068
#define LATENCY_EVENT (1 << 3)
#define DC_DISP_IHUB_COMMON_DISPLAY_FETCH_METER 0x451
#define CURS_SLOTS(x) (((x) & 0xff) << 8)
#define WGRP_SLOTS(x) (((x) & 0xff) << 0)
#endif /* TEGRA_HUB_H */