290 lines
7.5 KiB
C
290 lines
7.5 KiB
C
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/*
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* Copyright (C) 2012 Avionic Design GmbH
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* Copyright (C) 2012-2017 NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef HOST1X_DRM_H
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#define HOST1X_DRM_H 1
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#include <uapi/drm/tegra_drm.h>
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#include <linux/host1x.h>
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#include <linux/of_gpio.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc_helper.h>
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#include <drm/drm_edid.h>
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#include <drm/drm_fb_helper.h>
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#include <drm/drm_fixed.h>
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#include "gem.h"
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struct reset_control;
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struct tegra_fb {
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struct drm_framebuffer base;
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struct tegra_bo **planes;
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unsigned int num_planes;
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};
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#ifdef CONFIG_DRM_FBDEV_EMULATION
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struct tegra_fbdev {
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struct drm_fb_helper base;
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struct tegra_fb *fb;
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};
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#endif
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struct tegra_drm {
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struct drm_device *drm;
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struct iommu_domain *domain;
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struct drm_mm mm;
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struct mutex clients_lock;
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struct list_head clients;
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#ifdef CONFIG_DRM_FBDEV_EMULATION
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struct tegra_fbdev *fbdev;
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#endif
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unsigned int pitch_align;
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struct {
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struct drm_atomic_state *state;
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struct work_struct work;
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struct mutex lock;
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} commit;
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struct drm_atomic_state *state;
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};
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struct tegra_drm_client;
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struct tegra_drm_context {
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struct tegra_drm_client *client;
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struct host1x_channel *channel;
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unsigned int id;
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};
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struct tegra_drm_client_ops {
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int (*open_channel)(struct tegra_drm_client *client,
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struct tegra_drm_context *context);
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void (*close_channel)(struct tegra_drm_context *context);
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int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
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int (*submit)(struct tegra_drm_context *context,
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struct drm_tegra_submit *args, struct drm_device *drm,
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struct drm_file *file);
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};
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int tegra_drm_submit(struct tegra_drm_context *context,
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struct drm_tegra_submit *args, struct drm_device *drm,
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struct drm_file *file);
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struct tegra_drm_client {
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struct host1x_client base;
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struct list_head list;
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const struct tegra_drm_client_ops *ops;
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};
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static inline struct tegra_drm_client *
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host1x_to_drm_client(struct host1x_client *client)
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{
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return container_of(client, struct tegra_drm_client, base);
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}
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int tegra_drm_register_client(struct tegra_drm *tegra,
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struct tegra_drm_client *client);
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int tegra_drm_unregister_client(struct tegra_drm *tegra,
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struct tegra_drm_client *client);
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int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
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int tegra_drm_exit(struct tegra_drm *tegra);
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struct tegra_dc_soc_info;
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struct tegra_output;
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struct tegra_dc_stats {
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unsigned long frames;
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unsigned long vblank;
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unsigned long underflow;
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unsigned long overflow;
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};
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struct tegra_dc {
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struct host1x_client client;
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struct host1x_syncpt *syncpt;
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struct device *dev;
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spinlock_t lock;
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struct drm_crtc base;
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unsigned int powergate;
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int pipe;
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struct clk *clk;
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struct reset_control *rst;
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void __iomem *regs;
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int irq;
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struct tegra_output *rgb;
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struct tegra_dc_stats stats;
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struct list_head list;
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struct drm_info_list *debugfs_files;
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struct drm_minor *minor;
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struct dentry *debugfs;
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/* page-flip handling */
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struct drm_pending_vblank_event *event;
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const struct tegra_dc_soc_info *soc;
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struct iommu_domain *domain;
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};
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static inline struct tegra_dc *
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host1x_client_to_dc(struct host1x_client *client)
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{
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return container_of(client, struct tegra_dc, client);
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}
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static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
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{
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return crtc ? container_of(crtc, struct tegra_dc, base) : NULL;
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}
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static inline void tegra_dc_writel(struct tegra_dc *dc, u32 value,
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unsigned long offset)
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{
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writel(value, dc->regs + (offset << 2));
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}
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static inline u32 tegra_dc_readl(struct tegra_dc *dc, unsigned long offset)
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{
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return readl(dc->regs + (offset << 2));
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}
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struct tegra_dc_window {
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struct {
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unsigned int x;
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unsigned int y;
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unsigned int w;
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unsigned int h;
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} src;
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struct {
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unsigned int x;
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unsigned int y;
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unsigned int w;
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unsigned int h;
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} dst;
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unsigned int bits_per_pixel;
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unsigned int stride[2];
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unsigned long base[3];
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bool bottom_up;
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struct tegra_bo_tiling tiling;
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u32 format;
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u32 swap;
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};
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/* from dc.c */
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u32 tegra_dc_get_vblank_counter(struct tegra_dc *dc);
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void tegra_dc_enable_vblank(struct tegra_dc *dc);
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void tegra_dc_disable_vblank(struct tegra_dc *dc);
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void tegra_dc_commit(struct tegra_dc *dc);
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int tegra_dc_state_setup_clock(struct tegra_dc *dc,
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struct drm_crtc_state *crtc_state,
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struct clk *clk, unsigned long pclk,
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unsigned int div);
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struct tegra_output {
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struct device_node *of_node;
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struct device *dev;
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struct drm_panel *panel;
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struct i2c_adapter *ddc;
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const struct edid *edid;
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unsigned int hpd_irq;
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int hpd_gpio;
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enum of_gpio_flags hpd_gpio_flags;
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struct drm_encoder encoder;
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struct drm_connector connector;
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};
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static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
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{
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return container_of(e, struct tegra_output, encoder);
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}
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static inline struct tegra_output *connector_to_output(struct drm_connector *c)
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{
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return container_of(c, struct tegra_output, connector);
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}
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/* from rgb.c */
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int tegra_dc_rgb_probe(struct tegra_dc *dc);
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int tegra_dc_rgb_remove(struct tegra_dc *dc);
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int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
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int tegra_dc_rgb_exit(struct tegra_dc *dc);
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/* from output.c */
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int tegra_output_probe(struct tegra_output *output);
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void tegra_output_remove(struct tegra_output *output);
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int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
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void tegra_output_exit(struct tegra_output *output);
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int tegra_output_connector_get_modes(struct drm_connector *connector);
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enum drm_connector_status
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tegra_output_connector_detect(struct drm_connector *connector, bool force);
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void tegra_output_connector_destroy(struct drm_connector *connector);
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void tegra_output_encoder_destroy(struct drm_encoder *encoder);
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/* from dpaux.c */
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struct drm_dp_link;
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struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
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enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
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int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);
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int drm_dp_aux_detach(struct drm_dp_aux *aux);
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int drm_dp_aux_enable(struct drm_dp_aux *aux);
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int drm_dp_aux_disable(struct drm_dp_aux *aux);
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int drm_dp_aux_prepare(struct drm_dp_aux *aux, u8 encoding);
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int drm_dp_aux_train(struct drm_dp_aux *aux, struct drm_dp_link *link,
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u8 pattern);
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/* from fb.c */
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struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
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unsigned int index);
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bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
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int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
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struct tegra_bo_tiling *tiling);
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struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
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struct drm_file *file,
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const struct drm_mode_fb_cmd2 *cmd);
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int tegra_drm_fb_prepare(struct drm_device *drm);
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void tegra_drm_fb_free(struct drm_device *drm);
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int tegra_drm_fb_init(struct drm_device *drm);
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void tegra_drm_fb_exit(struct drm_device *drm);
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void tegra_drm_fb_suspend(struct drm_device *drm);
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void tegra_drm_fb_resume(struct drm_device *drm);
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#ifdef CONFIG_DRM_FBDEV_EMULATION
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void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);
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void tegra_fb_output_poll_changed(struct drm_device *drm);
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#endif
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extern struct platform_driver tegra_dc_driver;
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extern struct platform_driver tegra_hdmi_driver;
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extern struct platform_driver tegra_dsi_driver;
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extern struct platform_driver tegra_dpaux_driver;
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extern struct platform_driver tegra_sor_driver;
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extern struct platform_driver tegra_gr2d_driver;
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extern struct platform_driver tegra_gr3d_driver;
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#endif /* HOST1X_DRM_H */
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