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-rw-r--r--drivers/gpu/drm/logicvc/logicvc_layer.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/logicvc/logicvc_layer.h b/drivers/gpu/drm/logicvc/logicvc_layer.h
new file mode 100644
index 000000000..4a4b02e9b
--- /dev/null
+++ b/drivers/gpu/drm/logicvc/logicvc_layer.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2019-2022 Bootlin
+ * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
+ */
+
+#ifndef _LOGICVC_LAYER_H_
+#define _LOGICVC_LAYER_H_
+
+#include <linux/of.h>
+#include <linux/types.h>
+#include <drm/drm_plane.h>
+
+#define LOGICVC_LAYER_COLORSPACE_RGB 0
+#define LOGICVC_LAYER_COLORSPACE_YUV 1
+
+#define LOGICVC_LAYER_ALPHA_LAYER 0
+#define LOGICVC_LAYER_ALPHA_PIXEL 1
+
+struct logicvc_layer_buffer_setup {
+ u8 buffer_sel;
+ u16 voffset;
+ u16 hoffset;
+};
+
+struct logicvc_layer_config {
+ u32 colorspace;
+ u32 depth;
+ u32 alpha_mode;
+ u32 base_offset;
+ u32 buffer_offset;
+ bool primary;
+};
+
+struct logicvc_layer_formats {
+ u32 colorspace;
+ u32 depth;
+ bool alpha;
+ uint32_t *formats;
+};
+
+struct logicvc_layer {
+ struct logicvc_layer_config config;
+ struct logicvc_layer_formats *formats;
+ struct device_node *of_node;
+
+ struct drm_plane drm_plane;
+ struct list_head list;
+ u32 index;
+};
+
+int logicvc_layer_buffer_find_setup(struct logicvc_drm *logicvc,
+ struct logicvc_layer *layer,
+ struct drm_plane_state *state,
+ struct logicvc_layer_buffer_setup *setup);
+struct logicvc_layer *logicvc_layer_get_from_index(struct logicvc_drm *logicvc,
+ u32 index);
+struct logicvc_layer *logicvc_layer_get_from_type(struct logicvc_drm *logicvc,
+ enum drm_plane_type type);
+struct logicvc_layer *logicvc_layer_get_primary(struct logicvc_drm *logicvc);
+void logicvc_layers_attach_crtc(struct logicvc_drm *logicvc);
+int logicvc_layers_init(struct logicvc_drm *logicvc);
+
+#endif