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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 /include/uapi/drm/omap_drm.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/uapi/drm/omap_drm.h')
-rw-r--r--include/uapi/drm/omap_drm.h126
1 files changed, 126 insertions, 0 deletions
diff --git a/include/uapi/drm/omap_drm.h b/include/uapi/drm/omap_drm.h
new file mode 100644
index 000000000..1fccffef9
--- /dev/null
+++ b/include/uapi/drm/omap_drm.h
@@ -0,0 +1,126 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * include/uapi/drm/omap_drm.h
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Rob Clark <rob@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __OMAP_DRM_H__
+#define __OMAP_DRM_H__
+
+#include "drm.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/* Please note that modifications to all structs defined here are
+ * subject to backwards-compatibility constraints.
+ */
+
+#define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */
+
+struct drm_omap_param {
+ __u64 param; /* in */
+ __u64 value; /* in (set_param), out (get_param) */
+};
+
+#define OMAP_BO_SCANOUT 0x00000001 /* scanout capable (phys contiguous) */
+#define OMAP_BO_CACHE_MASK 0x00000006 /* cache type mask, see cache modes */
+#define OMAP_BO_TILED_MASK 0x00000f00 /* tiled mapping mask, see tiled modes */
+
+/* cache modes */
+#define OMAP_BO_CACHED 0x00000000 /* default */
+#define OMAP_BO_WC 0x00000002 /* write-combine */
+#define OMAP_BO_UNCACHED 0x00000004 /* strongly-ordered (uncached) */
+
+/* tiled modes */
+#define OMAP_BO_TILED_8 0x00000100
+#define OMAP_BO_TILED_16 0x00000200
+#define OMAP_BO_TILED_32 0x00000300
+#define OMAP_BO_TILED (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32)
+
+union omap_gem_size {
+ __u32 bytes; /* (for non-tiled formats) */
+ struct {
+ __u16 width;
+ __u16 height;
+ } tiled; /* (for tiled formats) */
+};
+
+struct drm_omap_gem_new {
+ union omap_gem_size size; /* in */
+ __u32 flags; /* in */
+ __u32 handle; /* out */
+ __u32 __pad;
+};
+
+/* mask of operations: */
+enum omap_gem_op {
+ OMAP_GEM_READ = 0x01,
+ OMAP_GEM_WRITE = 0x02,
+};
+
+struct drm_omap_gem_cpu_prep {
+ __u32 handle; /* buffer handle (in) */
+ __u32 op; /* mask of omap_gem_op (in) */
+};
+
+struct drm_omap_gem_cpu_fini {
+ __u32 handle; /* buffer handle (in) */
+ __u32 op; /* mask of omap_gem_op (in) */
+ /* TODO maybe here we pass down info about what regions are touched
+ * by sw so we can be clever about cache ops? For now a placeholder,
+ * set to zero and we just do full buffer flush..
+ */
+ __u32 nregions;
+ __u32 __pad;
+};
+
+struct drm_omap_gem_info {
+ __u32 handle; /* buffer handle (in) */
+ __u32 pad;
+ __u64 offset; /* mmap offset (out) */
+ /* note: in case of tiled buffers, the user virtual size can be
+ * different from the physical size (ie. how many pages are needed
+ * to back the object) which is returned in DRM_IOCTL_GEM_OPEN..
+ * This size here is the one that should be used if you want to
+ * mmap() the buffer:
+ */
+ __u32 size; /* virtual size for mmap'ing (out) */
+ __u32 __pad;
+};
+
+#define DRM_OMAP_GET_PARAM 0x00
+#define DRM_OMAP_SET_PARAM 0x01
+#define DRM_OMAP_GEM_NEW 0x03
+#define DRM_OMAP_GEM_CPU_PREP 0x04 /* Deprecated, to be removed */
+#define DRM_OMAP_GEM_CPU_FINI 0x05 /* Deprecated, to be removed */
+#define DRM_OMAP_GEM_INFO 0x06
+#define DRM_OMAP_NUM_IOCTLS 0x07
+
+#define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param)
+#define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param)
+#define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new)
+#define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep)
+#define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini)
+#define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info)
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __OMAP_DRM_H__ */