1 files changed, 120 insertions, 0 deletions

diff --git a/drivers/gpu/drm/tegra/dc.h b/drivers/gpu/drm/tegra/dc.h
index 4a268635749b..cb100b6e3282 100644
--- a/drivers/gpu/drm/tegra/dc.h
+++ b/drivers/gpu/drm/tegra/dc.h
@@ -10,6 +10,126 @@
 #ifndef TEGRA_DC_H
 #define TEGRA_DC_H 1
 
+#include <linux/host1x.h>
+
+#include <drm/drm_crtc.h>
+
+#include "drm.h"
+
+struct tegra_output;
+
+struct tegra_dc_stats {
+	unsigned long frames;
+	unsigned long vblank;
+	unsigned long underflow;
+	unsigned long overflow;
+};
+
+struct tegra_dc_soc_info {
+	bool supports_border_color;
+	bool supports_interlacing;
+	bool supports_cursor;
+	bool supports_block_linear;
+	unsigned int pitch_align;
+	bool has_powergate;
+	bool broken_reset;
+};
+
+struct tegra_dc {
+	struct host1x_client client;
+	struct host1x_syncpt *syncpt;
+	struct device *dev;
+	spinlock_t lock;
+
+	struct drm_crtc base;
+	unsigned int powergate;
+	int pipe;
+
+	struct clk *clk;
+	struct reset_control *rst;
+	void __iomem *regs;
+	int irq;
+
+	struct tegra_output *rgb;
+
+	struct tegra_dc_stats stats;
+	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 int offset)
+{
+	trace_dc_writel(dc->dev, offset, value);
+	writel(value, dc->regs + (offset << 2));
+}
+
+static inline u32 tegra_dc_readl(struct tegra_dc *dc, unsigned int offset)
+{
+	u32 value = readl(dc->regs + (offset << 2));
+
+	trace_dc_readl(dc->dev, offset, value);
+
+	return value;
+}
+
+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 */
+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);
+
+/* 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);
+
 #define DC_CMD_GENERAL_INCR_SYNCPT		0x000
 #define DC_CMD_GENERAL_INCR_SYNCPT_CNTRL	0x001
 #define  SYNCPT_CNTRL_NO_STALL   (1 << 8)