/* 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 1 #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 BIT_ULL(22) struct drm_fb_helper; struct drm_fb_helper_surface_size; struct edid; struct reset_control; struct tegra_drm { struct drm_device *drm; struct iommu_domain *domain; bool use_explicit_iommu; struct mutex mm_lock; struct drm_mm mm; struct { struct iova_domain domain; unsigned long shift; unsigned long limit; } carveout; struct mutex clients_lock; struct list_head clients; unsigned int hmask, vmask; unsigned int pitch_align; unsigned int num_crtcs; struct tegra_display_hub *hub; }; static inline struct host1x *tegra_drm_to_host1x(struct tegra_drm *tegra) { return dev_get_drvdata(tegra->drm->dev->parent); } struct tegra_drm_client; struct tegra_drm_context { struct tegra_drm_client *client; struct host1x_channel *channel; /* Only used by legacy UAPI. */ unsigned int id; /* Only used by new UAPI. */ struct xarray mappings; struct host1x_memory_context *memory_context; }; struct tegra_drm_client_ops { int (*open_channel)(struct tegra_drm_client *client, struct tegra_drm_context *context); void (*close_channel)(struct tegra_drm_context *context); int (*is_addr_reg)(struct device *dev, u32 class, u32 offset); int (*is_valid_class)(u32 class); int (*submit)(struct tegra_drm_context *context, struct drm_tegra_submit *args, struct drm_device *drm, struct drm_file *file); int (*get_streamid_offset)(struct tegra_drm_client *client, u32 *offset); int (*can_use_memory_ctx)(struct tegra_drm_client *client, bool *supported); }; 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) { *offset = 0x30; return 0; } struct tegra_drm_client { struct host1x_client base; struct list_head list; struct tegra_drm *drm; struct host1x_channel *shared_channel; /* Set by driver */ unsigned int version; const struct tegra_drm_client_ops *ops; }; static inline struct tegra_drm_client * host1x_to_drm_client(struct host1x_client *client) { return container_of(client, struct tegra_drm_client, base); } 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 { struct device_node *of_node; struct device *dev; struct drm_bridge *bridge; struct drm_panel *panel; struct i2c_adapter *ddc; const struct drm_edid *drm_edid; struct cec_notifier *cec; unsigned int hpd_irq; struct gpio_desc *hpd_gpio; struct drm_encoder encoder; struct drm_connector connector; }; static inline struct tegra_output *encoder_to_output(struct drm_encoder *e) { return container_of(e, struct tegra_output, encoder); } static inline struct tegra_output *connector_to_output(struct drm_connector *c) { return container_of(c, struct tegra_output, connector); } /* 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 int tegra_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes); #define TEGRA_FBDEV_DRIVER_OPS \ .fbdev_probe = tegra_fbdev_driver_fbdev_probe #else #define TEGRA_FBDEV_DRIVER_OPS \ .fbdev_probe = NULL #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 */