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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/gpu/drm/sti/sti_plane.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/sti/sti_plane.h')
-rw-r--r--drivers/gpu/drm/sti/sti_plane.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sti/sti_plane.h b/drivers/gpu/drm/sti/sti_plane.h
new file mode 100644
index 000000000..b8d7fae2a
--- /dev/null
+++ b/drivers/gpu/drm/sti/sti_plane.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) STMicroelectronics SA 2014
+ * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
+ */
+
+#ifndef _STI_PLANE_H_
+#define _STI_PLANE_H_
+
+#include <drm/drmP.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_plane_helper.h>
+
+#define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane)
+
+#define STI_PLANE_TYPE_SHIFT 8
+#define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1))
+
+enum sti_plane_type {
+ STI_GDP = 1 << STI_PLANE_TYPE_SHIFT,
+ STI_VDP = 2 << STI_PLANE_TYPE_SHIFT,
+ STI_CUR = 3 << STI_PLANE_TYPE_SHIFT,
+ STI_BCK = 4 << STI_PLANE_TYPE_SHIFT
+};
+
+enum sti_plane_id_of_type {
+ STI_ID_0 = 0,
+ STI_ID_1 = 1,
+ STI_ID_2 = 2,
+ STI_ID_3 = 3
+};
+
+enum sti_plane_desc {
+ STI_GDP_0 = STI_GDP | STI_ID_0,
+ STI_GDP_1 = STI_GDP | STI_ID_1,
+ STI_GDP_2 = STI_GDP | STI_ID_2,
+ STI_GDP_3 = STI_GDP | STI_ID_3,
+ STI_HQVDP_0 = STI_VDP | STI_ID_0,
+ STI_CURSOR = STI_CUR,
+ STI_BACK = STI_BCK
+};
+
+enum sti_plane_status {
+ STI_PLANE_READY,
+ STI_PLANE_UPDATED,
+ STI_PLANE_DISABLING,
+ STI_PLANE_FLUSHING,
+ STI_PLANE_DISABLED,
+};
+
+#define FPS_LENGTH 128
+struct sti_fps_info {
+ bool output;
+ unsigned int curr_frame_counter;
+ unsigned int last_frame_counter;
+ unsigned int curr_field_counter;
+ unsigned int last_field_counter;
+ ktime_t last_timestamp;
+ char fps_str[FPS_LENGTH];
+ char fips_str[FPS_LENGTH];
+};
+
+/**
+ * STI plane structure
+ *
+ * @plane: drm plane it is bound to (if any)
+ * @desc: plane type & id
+ * @status: to know the status of the plane
+ * @fps_info: frame per second info
+ */
+struct sti_plane {
+ struct drm_plane drm_plane;
+ enum sti_plane_desc desc;
+ enum sti_plane_status status;
+ struct sti_fps_info fps_info;
+};
+
+const char *sti_plane_to_str(struct sti_plane *plane);
+void sti_plane_update_fps(struct sti_plane *plane,
+ bool new_frame,
+ bool new_field);
+
+void sti_plane_init_property(struct sti_plane *plane,
+ enum drm_plane_type type);
+void sti_plane_reset(struct drm_plane *plane);
+#endif