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/*
* Copyright (C) 2017 NVIDIA CORPORATION. All rights reserved.
*
* 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.
*/
#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;
};
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;
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 */
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