Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 218 insertions, 0 deletions

diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
new file mode 100644
index 000000000..845e60f14
--- /dev/null
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -0,0 +1,218 @@
+/* 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_edid.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_fb_helper.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 reset_control;
+
+#ifdef CONFIG_DRM_FBDEV_EMULATION
+struct tegra_fbdev {
+	struct drm_fb_helper base;
+	struct drm_framebuffer *fb;
+};
+#endif
+
+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;
+
+#ifdef CONFIG_DRM_FBDEV_EMULATION
+	struct tegra_fbdev *fbdev;
+#endif
+
+	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);
+
+int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
+int tegra_drm_exit(struct tegra_drm *tegra);
+
+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 edid *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_create(struct drm_device *drm,
+					struct drm_file *file,
+					const 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);
+
+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 */