linux/drivers/gpu/drm/tegra/drm.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2012 Avionic Design GmbH
 * Copyright (C) 2012-2013 NVIDIA CORPORATION.  All rights reserved.
 */

#ifndef HOST1X_DRM_H
#define HOST1X_DRM_H …

#include <linux/host1x.h>
#include <linux/iova.h>
#include <linux/gpio/consumer.h>

#include <drm/drm_atomic.h>
#include <drm/drm_bridge.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fixed.h>
#include <drm/drm_probe_helper.h>
#include <uapi/drm/tegra_drm.h>

#include "gem.h"
#include "hub.h"
#include "trace.h"

/* XXX move to include/uapi/drm/drm_fourcc.h? */
#define DRM_FORMAT_MOD_NVIDIA_SECTOR_LAYOUT …

struct edid;
struct reset_control;

struct tegra_drm { … };

static inline struct host1x *tegra_drm_to_host1x(struct tegra_drm *tegra)
{ … }

struct tegra_drm_client;

struct tegra_drm_context { … };

struct tegra_drm_client_ops { … };

int tegra_drm_submit(struct tegra_drm_context *context,
		     struct drm_tegra_submit *args, struct drm_device *drm,
		     struct drm_file *file);

static inline int
tegra_drm_get_streamid_offset_thi(struct tegra_drm_client *client, u32 *offset)
{ … }

struct tegra_drm_client { … };

static inline struct tegra_drm_client *
host1x_to_drm_client(struct host1x_client *client)
{ … }

int tegra_drm_register_client(struct tegra_drm *tegra,
			      struct tegra_drm_client *client);
int tegra_drm_unregister_client(struct tegra_drm *tegra,
				struct tegra_drm_client *client);
int host1x_client_iommu_attach(struct host1x_client *client);
void host1x_client_iommu_detach(struct host1x_client *client);

void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova);
void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,
		    dma_addr_t iova);

struct cec_notifier;

struct tegra_output { … };

static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
{ … }

static inline struct tegra_output *connector_to_output(struct drm_connector *c)
{ … }

/* from output.c */
int tegra_output_probe(struct tegra_output *output);
void tegra_output_remove(struct tegra_output *output);
int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
void tegra_output_exit(struct tegra_output *output);
void tegra_output_find_possible_crtcs(struct tegra_output *output,
				      struct drm_device *drm);
int tegra_output_suspend(struct tegra_output *output);
int tegra_output_resume(struct tegra_output *output);

int tegra_output_connector_get_modes(struct drm_connector *connector);
enum drm_connector_status
tegra_output_connector_detect(struct drm_connector *connector, bool force);
void tegra_output_connector_destroy(struct drm_connector *connector);

/* from dpaux.c */
struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);
int drm_dp_aux_detach(struct drm_dp_aux *aux);
int drm_dp_aux_enable(struct drm_dp_aux *aux);
int drm_dp_aux_disable(struct drm_dp_aux *aux);

/* from fb.c */
struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
				    unsigned int index);
bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
			struct tegra_bo_tiling *tiling);
struct drm_framebuffer *tegra_fb_alloc(struct drm_device *drm,
				       const struct drm_mode_fb_cmd2 *mode_cmd,
				       struct tegra_bo **planes,
				       unsigned int num_planes);
struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
					struct drm_file *file,
					const struct drm_mode_fb_cmd2 *cmd);

#ifdef CONFIG_DRM_FBDEV_EMULATION
void tegra_fbdev_setup(struct drm_device *drm);
#else
static inline void tegra_fbdev_setup(struct drm_device *drm)
{ }
#endif

extern struct platform_driver tegra_display_hub_driver;
extern struct platform_driver tegra_dc_driver;
extern struct platform_driver tegra_hdmi_driver;
extern struct platform_driver tegra_dsi_driver;
extern struct platform_driver tegra_dpaux_driver;
extern struct platform_driver tegra_sor_driver;
extern struct platform_driver tegra_gr2d_driver;
extern struct platform_driver tegra_gr3d_driver;
extern struct platform_driver tegra_vic_driver;
extern struct platform_driver tegra_nvdec_driver;

#endif /* HOST1X_DRM_H */