--- /dev/null
+/*
+ * Copyright (C) 2012 Avionic Design GmbH
+ * Copyright (C) 2012-2013 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 HOST1X_DRM_H
+#define HOST1X_DRM_H 1
+
+#include <uapi/drm/tegra_drm.h>
+#include <linux/host1x.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_fixed.h>
+
+#include "gem.h"
+
+struct reset_control;
+
+struct tegra_fb {
+ struct drm_framebuffer base;
+ struct tegra_bo **planes;
+ unsigned int num_planes;
+};
+
+#ifdef CONFIG_DRM_TEGRA_FBDEV
+struct tegra_fbdev {
+ struct drm_fb_helper base;
+ struct tegra_fb *fb;
+};
+#endif
+
+struct tegra_drm {
+ struct drm_device *drm;
+
+ struct iommu_domain *domain;
+ struct drm_mm mm;
+
+ struct mutex clients_lock;
+ struct list_head clients;
+
+#ifdef CONFIG_DRM_TEGRA_FBDEV
+ struct tegra_fbdev *fbdev;
+#endif
+
+ unsigned int pitch_align;
+
+ struct {
+ struct drm_atomic_state *state;
+ struct work_struct work;
+ struct mutex lock;
+ } commit;
+};
+
+struct tegra_drm_client;
+
+struct tegra_drm_context {
+ struct tegra_drm_client *client;
+ struct host1x_channel *channel;
+ struct list_head list;
+};
+
+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 (*submit)(struct tegra_drm_context *context,
+ struct drm_tegra_submit *args, struct drm_device *drm,
+ struct drm_file *file);
+};
+
+int tegra_drm_submit(struct tegra_drm_context *context,
+ struct drm_tegra_submit *args, struct drm_device *drm,
+ struct drm_file *file);
+
+struct tegra_drm_client {
+ struct host1x_client base;
+ struct list_head list;
+
+ 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 tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
+int tegra_drm_exit(struct tegra_drm *tegra);
+
+struct tegra_dc_soc_info;
+struct tegra_output;
+
+struct tegra_dc {
+ struct host1x_client client;
+ struct host1x_syncpt *syncpt;
+ struct device *dev;
+ spinlock_t lock;
+
+ struct drm_crtc base;
+ int powergate;
+ int pipe;
+
+ struct clk *clk;
+ struct reset_control *rst;
+ void __iomem *regs;
+ int irq;
+
+ struct tegra_output *rgb;
+
+ struct list_head list;
+
+ struct drm_info_list *debugfs_files;
+ struct drm_minor *minor;
+ struct dentry *debugfs;
+
+ /* page-flip handling */
+ struct drm_pending_vblank_event *event;
+
+ const struct tegra_dc_soc_info *soc;
+
+ struct iommu_domain *domain;
+};
+
+static inline struct tegra_dc *
+host1x_client_to_dc(struct host1x_client *client)
+{
+ return container_of(client, struct tegra_dc, client);
+}
+
+static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
+{
+ return crtc ? container_of(crtc, struct tegra_dc, base) : NULL;
+}
+
+static inline void tegra_dc_writel(struct tegra_dc *dc, u32 value,
+ unsigned long offset)
+{
+ writel(value, dc->regs + (offset << 2));
+}
+
+static inline u32 tegra_dc_readl(struct tegra_dc *dc, unsigned long offset)
+{
+ return readl(dc->regs + (offset << 2));
+}
+
+struct tegra_dc_window {
+ struct {
+ unsigned int x;
+ unsigned int y;
+ unsigned int w;
+ unsigned int h;
+ } src;
+ struct {
+ unsigned int x;
+ unsigned int y;
+ unsigned int w;
+ unsigned int h;
+ } dst;
+ unsigned int bits_per_pixel;
+ unsigned int stride[2];
+ unsigned long base[3];
+ bool bottom_up;
+
+ struct tegra_bo_tiling tiling;
+ u32 format;
+ u32 swap;
+};
+
+/* from dc.c */
+u32 tegra_dc_get_vblank_counter(struct tegra_dc *dc);
+void tegra_dc_enable_vblank(struct tegra_dc *dc);
+void tegra_dc_disable_vblank(struct tegra_dc *dc);
+void tegra_dc_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file);
+void tegra_dc_commit(struct tegra_dc *dc);
+int tegra_dc_state_setup_clock(struct tegra_dc *dc,
+ struct drm_crtc_state *crtc_state,
+ struct clk *clk, unsigned long pclk,
+ unsigned int div);
+
+struct tegra_output {
+ struct device_node *of_node;
+ struct device *dev;
+
+ struct drm_panel *panel;
+ struct i2c_adapter *ddc;
+ const struct edid *edid;
+ unsigned int hpd_irq;
+ int 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 rgb.c */
+int tegra_dc_rgb_probe(struct tegra_dc *dc);
+int tegra_dc_rgb_remove(struct tegra_dc *dc);
+int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
+int tegra_dc_rgb_exit(struct tegra_dc *dc);
+
+/* 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);
+
+int tegra_output_connector_get_modes(struct drm_connector *connector);
+struct drm_encoder *
+tegra_output_connector_best_encoder(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);
+
+void tegra_output_encoder_destroy(struct drm_encoder *encoder);
+
+/* from dpaux.c */
+struct tegra_dpaux;
+struct drm_dp_link;
+
+struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np);
+enum drm_connector_status tegra_dpaux_detect(struct tegra_dpaux *dpaux);
+int tegra_dpaux_attach(struct tegra_dpaux *dpaux, struct tegra_output *output);
+int tegra_dpaux_detach(struct tegra_dpaux *dpaux);
+int tegra_dpaux_enable(struct tegra_dpaux *dpaux);
+int tegra_dpaux_disable(struct tegra_dpaux *dpaux);
+int tegra_dpaux_prepare(struct tegra_dpaux *dpaux, u8 encoding);
+int tegra_dpaux_train(struct tegra_dpaux *dpaux, struct drm_dp_link *link,
+ u8 pattern);
+
+/* 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_create(struct drm_device *drm,
+ struct drm_file *file,
+ struct drm_mode_fb_cmd2 *cmd);
+int tegra_drm_fb_prepare(struct drm_device *drm);
+void tegra_drm_fb_free(struct drm_device *drm);
+int tegra_drm_fb_init(struct drm_device *drm);
+void tegra_drm_fb_exit(struct drm_device *drm);
+#ifdef CONFIG_DRM_TEGRA_FBDEV
+void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);
+void tegra_fb_output_poll_changed(struct drm_device *drm);
+#endif
+
+extern struct platform_driver tegra_dc_driver;
+extern struct platform_driver tegra_dsi_driver;
+extern struct platform_driver tegra_sor_driver;
+extern struct platform_driver tegra_hdmi_driver;
+extern struct platform_driver tegra_dpaux_driver;
+extern struct platform_driver tegra_gr2d_driver;
+extern struct platform_driver tegra_gr3d_driver;
+
+#endif /* HOST1X_DRM_H */
Code Review / kvmfornfv.git / blobdiff