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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (C) 2012 Avionic Design GmbH4 * Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved.5 */6 7#ifndef HOST1X_DRM_H8#define HOST1X_DRM_H 19 10#include <linux/host1x.h>11#include <linux/iova.h>12#include <linux/gpio/consumer.h>13 14#include <drm/drm_atomic.h>15#include <drm/drm_bridge.h>16#include <drm/drm_encoder.h>17#include <drm/drm_fixed.h>18#include <drm/drm_probe_helper.h>19#include <uapi/drm/tegra_drm.h>20 21#include "gem.h"22#include "hub.h"23#include "trace.h"24 25/* XXX move to include/uapi/drm/drm_fourcc.h? */26#define DRM_FORMAT_MOD_NVIDIA_SECTOR_LAYOUT BIT_ULL(22)27 28struct edid;29struct reset_control;30 31struct tegra_drm {32 struct drm_device *drm;33 34 struct iommu_domain *domain;35 bool use_explicit_iommu;36 struct mutex mm_lock;37 struct drm_mm mm;38 39 struct {40 struct iova_domain domain;41 unsigned long shift;42 unsigned long limit;43 } carveout;44 45 struct mutex clients_lock;46 struct list_head clients;47 48 unsigned int hmask, vmask;49 unsigned int pitch_align;50 unsigned int num_crtcs;51 52 struct tegra_display_hub *hub;53};54 55static inline struct host1x *tegra_drm_to_host1x(struct tegra_drm *tegra)56{57 return dev_get_drvdata(tegra->drm->dev->parent);58}59 60struct tegra_drm_client;61 62struct tegra_drm_context {63 struct tegra_drm_client *client;64 struct host1x_channel *channel;65 66 /* Only used by legacy UAPI. */67 unsigned int id;68 69 /* Only used by new UAPI. */70 struct xarray mappings;71 struct host1x_memory_context *memory_context;72};73 74struct tegra_drm_client_ops {75 int (*open_channel)(struct tegra_drm_client *client,76 struct tegra_drm_context *context);77 void (*close_channel)(struct tegra_drm_context *context);78 int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);79 int (*is_valid_class)(u32 class);80 int (*submit)(struct tegra_drm_context *context,81 struct drm_tegra_submit *args, struct drm_device *drm,82 struct drm_file *file);83 int (*get_streamid_offset)(struct tegra_drm_client *client, u32 *offset);84 int (*can_use_memory_ctx)(struct tegra_drm_client *client, bool *supported);85};86 87int tegra_drm_submit(struct tegra_drm_context *context,88 struct drm_tegra_submit *args, struct drm_device *drm,89 struct drm_file *file);90 91static inline int92tegra_drm_get_streamid_offset_thi(struct tegra_drm_client *client, u32 *offset)93{94 *offset = 0x30;95 96 return 0;97}98 99struct tegra_drm_client {100 struct host1x_client base;101 struct list_head list;102 struct tegra_drm *drm;103 struct host1x_channel *shared_channel;104 105 /* Set by driver */106 unsigned int version;107 const struct tegra_drm_client_ops *ops;108};109 110static inline struct tegra_drm_client *111host1x_to_drm_client(struct host1x_client *client)112{113 return container_of(client, struct tegra_drm_client, base);114}115 116int tegra_drm_register_client(struct tegra_drm *tegra,117 struct tegra_drm_client *client);118int tegra_drm_unregister_client(struct tegra_drm *tegra,119 struct tegra_drm_client *client);120int host1x_client_iommu_attach(struct host1x_client *client);121void host1x_client_iommu_detach(struct host1x_client *client);122 123void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova);124void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,125 dma_addr_t iova);126 127struct cec_notifier;128 129struct tegra_output {130 struct device_node *of_node;131 struct device *dev;132 133 struct drm_bridge *bridge;134 struct drm_panel *panel;135 struct i2c_adapter *ddc;136 const struct drm_edid *drm_edid;137 struct cec_notifier *cec;138 unsigned int hpd_irq;139 struct gpio_desc *hpd_gpio;140 141 struct drm_encoder encoder;142 struct drm_connector connector;143};144 145static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)146{147 return container_of(e, struct tegra_output, encoder);148}149 150static inline struct tegra_output *connector_to_output(struct drm_connector *c)151{152 return container_of(c, struct tegra_output, connector);153}154 155/* from output.c */156int tegra_output_probe(struct tegra_output *output);157void tegra_output_remove(struct tegra_output *output);158int tegra_output_init(struct drm_device *drm, struct tegra_output *output);159void tegra_output_exit(struct tegra_output *output);160void tegra_output_find_possible_crtcs(struct tegra_output *output,161 struct drm_device *drm);162int tegra_output_suspend(struct tegra_output *output);163int tegra_output_resume(struct tegra_output *output);164 165int tegra_output_connector_get_modes(struct drm_connector *connector);166enum drm_connector_status167tegra_output_connector_detect(struct drm_connector *connector, bool force);168void tegra_output_connector_destroy(struct drm_connector *connector);169 170/* from dpaux.c */171struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);172enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);173int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);174int drm_dp_aux_detach(struct drm_dp_aux *aux);175int drm_dp_aux_enable(struct drm_dp_aux *aux);176int drm_dp_aux_disable(struct drm_dp_aux *aux);177 178/* from fb.c */179struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,180 unsigned int index);181bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);182int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,183 struct tegra_bo_tiling *tiling);184struct drm_framebuffer *tegra_fb_alloc(struct drm_device *drm,185 const struct drm_mode_fb_cmd2 *mode_cmd,186 struct tegra_bo **planes,187 unsigned int num_planes);188struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,189 struct drm_file *file,190 const struct drm_mode_fb_cmd2 *cmd);191 192#ifdef CONFIG_DRM_FBDEV_EMULATION193void tegra_fbdev_setup(struct drm_device *drm);194#else195static inline void tegra_fbdev_setup(struct drm_device *drm)196{ }197#endif198 199extern struct platform_driver tegra_display_hub_driver;200extern struct platform_driver tegra_dc_driver;201extern struct platform_driver tegra_hdmi_driver;202extern struct platform_driver tegra_dsi_driver;203extern struct platform_driver tegra_dpaux_driver;204extern struct platform_driver tegra_sor_driver;205extern struct platform_driver tegra_gr2d_driver;206extern struct platform_driver tegra_gr3d_driver;207extern struct platform_driver tegra_vic_driver;208extern struct platform_driver tegra_nvdec_driver;209 210#endif /* HOST1X_DRM_H */211