From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/tegra/hub.h | 98 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 drivers/gpu/drm/tegra/hub.h (limited to 'drivers/gpu/drm/tegra/hub.h') diff --git a/drivers/gpu/drm/tegra/hub.h b/drivers/gpu/drm/tegra/hub.h new file mode 100644 index 000000000..85b8bf41a --- /dev/null +++ b/drivers/gpu/drm/tegra/hub.h @@ -0,0 +1,98 @@ +/* + * 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 +#include + +#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 */ -- cgit v1.2.3