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Diffstat (limited to 'drivers/gpu/drm/arc/arcpgu.h')
-rw-r--r--drivers/gpu/drm/arc/arcpgu.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arc/arcpgu.h b/drivers/gpu/drm/arc/arcpgu.h
new file mode 100644
index 000000000..6aac44b95
--- /dev/null
+++ b/drivers/gpu/drm/arc/arcpgu.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * ARC PGU DRM driver.
+ *
+ * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
+ */
+
+#ifndef _ARCPGU_H_
+#define _ARCPGU_H_
+
+struct arcpgu_drm_private {
+ void __iomem *regs;
+ struct clk *clk;
+ struct drm_framebuffer *fb;
+ struct drm_crtc crtc;
+ struct drm_plane *plane;
+};
+
+#define crtc_to_arcpgu_priv(x) container_of(x, struct arcpgu_drm_private, crtc)
+
+static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu,
+ unsigned int reg, u32 value)
+{
+ iowrite32(value, arcpgu->regs + reg);
+}
+
+static inline u32 arc_pgu_read(struct arcpgu_drm_private *arcpgu,
+ unsigned int reg)
+{
+ return ioread32(arcpgu->regs + reg);
+}
+
+int arc_pgu_setup_crtc(struct drm_device *dev);
+int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np);
+int arcpgu_drm_sim_init(struct drm_device *drm, struct device_node *np);
+
+#endif