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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:22:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:22:22 +0000
commit3f13df4d019cfcbef3f9909e3b993896d3c934e6 (patch)
tree6c515810bee8549d81e68c548a26a63909f8e716 /xf86drmMode.h
parentInitial commit. (diff)
downloadlibdrm-3f13df4d019cfcbef3f9909e3b993896d3c934e6.tar.xz
libdrm-3f13df4d019cfcbef3f9909e3b993896d3c934e6.zip
Adding upstream version 2.4.114.upstream/2.4.114upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xf86drmMode.h')
-rw-r--r--xf86drmMode.h536
1 files changed, 536 insertions, 0 deletions
diff --git a/xf86drmMode.h b/xf86drmMode.h
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+/*
+ * \file xf86drmMode.h
+ * Header for DRM modesetting interface.
+ *
+ * \author Jakob Bornecrantz <wallbraker@gmail.com>
+ *
+ * \par Acknowledgements:
+ * Feb 2007, Dave Airlie <airlied@linux.ie>
+ */
+
+/*
+ * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright (c) 2007-2008 Dave Airlie <airlied@linux.ie>
+ * Copyright (c) 2007-2008 Jakob Bornecrantz <wallbraker@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _XF86DRMMODE_H_
+#define _XF86DRMMODE_H_
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#include <drm.h>
+#include <drm_mode.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+/*
+ * This is the interface for modesetting for drm.
+ *
+ * It aims to provide a randr1.2 compatible interface for modesettings in the
+ * kernel, the interface is also meant to be used by libraries like EGL.
+ *
+ * More information can be found in randrproto.txt which can be found here:
+ * http://gitweb.freedesktop.org/?p=xorg/proto/randrproto.git
+ *
+ * There are some major differences to be noted. Unlike the randr1.2 proto you
+ * need to create the memory object of the framebuffer yourself with the ttm
+ * buffer object interface. This object needs to be pinned.
+ */
+
+/*
+ * Feature defines
+ *
+ * Just because these are defined doesn't mean that the kernel
+ * can do that feature, its just for new code vs old libdrm.
+ */
+#define DRM_MODE_FEATURE_KMS 1
+#define DRM_MODE_FEATURE_DIRTYFB 1
+
+
+typedef struct _drmModeRes {
+
+ int count_fbs;
+ uint32_t *fbs;
+
+ int count_crtcs;
+ uint32_t *crtcs;
+
+ int count_connectors;
+ uint32_t *connectors;
+
+ int count_encoders;
+ uint32_t *encoders;
+
+ uint32_t min_width, max_width;
+ uint32_t min_height, max_height;
+} drmModeRes, *drmModeResPtr;
+
+typedef struct _drmModeModeInfo {
+ uint32_t clock;
+ uint16_t hdisplay, hsync_start, hsync_end, htotal, hskew;
+ uint16_t vdisplay, vsync_start, vsync_end, vtotal, vscan;
+
+ uint32_t vrefresh;
+
+ uint32_t flags;
+ uint32_t type;
+ char name[DRM_DISPLAY_MODE_LEN];
+} drmModeModeInfo, *drmModeModeInfoPtr;
+
+typedef struct _drmModeFB {
+ uint32_t fb_id;
+ uint32_t width, height;
+ uint32_t pitch;
+ uint32_t bpp;
+ uint32_t depth;
+ /* driver specific handle */
+ uint32_t handle;
+} drmModeFB, *drmModeFBPtr;
+
+typedef struct _drmModeFB2 {
+ uint32_t fb_id;
+ uint32_t width, height;
+ uint32_t pixel_format; /* fourcc code from drm_fourcc.h */
+ uint64_t modifier; /* applies to all buffers */
+ uint32_t flags;
+
+ /* per-plane GEM handle; may be duplicate entries for multiple planes */
+ uint32_t handles[4];
+ uint32_t pitches[4]; /* bytes */
+ uint32_t offsets[4]; /* bytes */
+} drmModeFB2, *drmModeFB2Ptr;
+
+typedef struct drm_clip_rect drmModeClip, *drmModeClipPtr;
+
+typedef struct _drmModePropertyBlob {
+ uint32_t id;
+ uint32_t length;
+ void *data;
+} drmModePropertyBlobRes, *drmModePropertyBlobPtr;
+
+typedef struct _drmModeProperty {
+ uint32_t prop_id;
+ uint32_t flags;
+ char name[DRM_PROP_NAME_LEN];
+ int count_values;
+ uint64_t *values; /* store the blob lengths */
+ int count_enums;
+ struct drm_mode_property_enum *enums;
+ int count_blobs;
+ uint32_t *blob_ids; /* store the blob IDs */
+} drmModePropertyRes, *drmModePropertyPtr;
+
+static inline uint32_t drmModeGetPropertyType(const drmModePropertyRes *prop)
+{
+ return prop->flags & (DRM_MODE_PROP_LEGACY_TYPE | DRM_MODE_PROP_EXTENDED_TYPE);
+}
+
+static inline int drm_property_type_is(const drmModePropertyPtr property,
+ uint32_t type)
+{
+ return drmModeGetPropertyType(property) == type;
+}
+
+typedef struct _drmModeCrtc {
+ uint32_t crtc_id;
+ uint32_t buffer_id; /**< FB id to connect to 0 = disconnect */
+
+ uint32_t x, y; /**< Position on the framebuffer */
+ uint32_t width, height;
+ int mode_valid;
+ drmModeModeInfo mode;
+
+ int gamma_size; /**< Number of gamma stops */
+
+} drmModeCrtc, *drmModeCrtcPtr;
+
+typedef struct _drmModeEncoder {
+ uint32_t encoder_id;
+ uint32_t encoder_type;
+ uint32_t crtc_id;
+ uint32_t possible_crtcs;
+ uint32_t possible_clones;
+} drmModeEncoder, *drmModeEncoderPtr;
+
+/**
+ * Describes the connector status.
+ *
+ * DRM_MODE_CONNECTED means that the connector has a sink plugged in.
+ * DRM_MODE_DISCONNECTED means the contrary. DRM_MODE_UNKNOWNCONNECTION is used
+ * when it could be either.
+ *
+ * User-space should first try to enable DRM_MODE_CONNECTED connectors and
+ * ignore other connectors. If there are no DRM_MODE_CONNECTED connectors,
+ * user-space should then try to probe and enable DRM_MODE_UNKNOWNCONNECTION
+ * connectors.
+ */
+typedef enum {
+ DRM_MODE_CONNECTED = 1,
+ DRM_MODE_DISCONNECTED = 2,
+ DRM_MODE_UNKNOWNCONNECTION = 3
+} drmModeConnection;
+
+typedef enum {
+ DRM_MODE_SUBPIXEL_UNKNOWN = 1,
+ DRM_MODE_SUBPIXEL_HORIZONTAL_RGB = 2,
+ DRM_MODE_SUBPIXEL_HORIZONTAL_BGR = 3,
+ DRM_MODE_SUBPIXEL_VERTICAL_RGB = 4,
+ DRM_MODE_SUBPIXEL_VERTICAL_BGR = 5,
+ DRM_MODE_SUBPIXEL_NONE = 6
+} drmModeSubPixel;
+
+typedef struct _drmModeConnector {
+ uint32_t connector_id;
+ uint32_t encoder_id; /**< Encoder currently connected to */
+ uint32_t connector_type;
+ uint32_t connector_type_id;
+ drmModeConnection connection;
+ uint32_t mmWidth, mmHeight; /**< HxW in millimeters */
+ drmModeSubPixel subpixel;
+
+ int count_modes;
+ drmModeModeInfoPtr modes;
+
+ int count_props;
+ uint32_t *props; /**< List of property ids */
+ uint64_t *prop_values; /**< List of property values */
+
+ int count_encoders;
+ uint32_t *encoders; /**< List of encoder ids */
+} drmModeConnector, *drmModeConnectorPtr;
+
+#define DRM_PLANE_TYPE_OVERLAY 0
+#define DRM_PLANE_TYPE_PRIMARY 1
+#define DRM_PLANE_TYPE_CURSOR 2
+
+typedef struct _drmModeObjectProperties {
+ uint32_t count_props;
+ uint32_t *props;
+ uint64_t *prop_values;
+} drmModeObjectProperties, *drmModeObjectPropertiesPtr;
+
+typedef struct _drmModeFormatModifierIterator {
+ uint32_t fmt_idx, mod_idx;
+ uint32_t fmt;
+ uint64_t mod;
+} drmModeFormatModifierIterator;
+
+typedef struct _drmModePlane {
+ uint32_t count_formats;
+ uint32_t *formats;
+ uint32_t plane_id;
+
+ uint32_t crtc_id;
+ uint32_t fb_id;
+
+ uint32_t crtc_x, crtc_y;
+ uint32_t x, y;
+
+ uint32_t possible_crtcs;
+ uint32_t gamma_size;
+} drmModePlane, *drmModePlanePtr;
+
+typedef struct _drmModePlaneRes {
+ uint32_t count_planes;
+ uint32_t *planes;
+} drmModePlaneRes, *drmModePlaneResPtr;
+
+extern void drmModeFreeModeInfo( drmModeModeInfoPtr ptr );
+extern void drmModeFreeResources( drmModeResPtr ptr );
+extern void drmModeFreeFB( drmModeFBPtr ptr );
+extern void drmModeFreeFB2( drmModeFB2Ptr ptr );
+extern void drmModeFreeCrtc( drmModeCrtcPtr ptr );
+extern void drmModeFreeConnector( drmModeConnectorPtr ptr );
+extern void drmModeFreeEncoder( drmModeEncoderPtr ptr );
+extern void drmModeFreePlane( drmModePlanePtr ptr );
+extern void drmModeFreePlaneResources(drmModePlaneResPtr ptr);
+
+/**
+ * Check whether the DRM node supports Kernel Mode-Setting.
+ *
+ * Returns 1 if suitable for KMS, 0 otherwise.
+ */
+extern int drmIsKMS(int fd);
+
+/**
+ * Retrieves all of the resources associated with a card.
+ */
+extern drmModeResPtr drmModeGetResources(int fd);
+
+/*
+ * FrameBuffer manipulation.
+ */
+
+/**
+ * Retrieve information about framebuffer bufferId
+ */
+extern drmModeFBPtr drmModeGetFB(int fd, uint32_t bufferId);
+extern drmModeFB2Ptr drmModeGetFB2(int fd, uint32_t bufferId);
+
+/**
+ * Creates a new framebuffer with an buffer object as its scanout buffer.
+ */
+extern int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
+ uint8_t bpp, uint32_t pitch, uint32_t bo_handle,
+ uint32_t *buf_id);
+/* ...with a specific pixel format */
+extern int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
+ uint32_t pixel_format, const uint32_t bo_handles[4],
+ const uint32_t pitches[4], const uint32_t offsets[4],
+ uint32_t *buf_id, uint32_t flags);
+
+/* ...with format modifiers */
+int drmModeAddFB2WithModifiers(int fd, uint32_t width, uint32_t height,
+ uint32_t pixel_format, const uint32_t bo_handles[4],
+ const uint32_t pitches[4], const uint32_t offsets[4],
+ const uint64_t modifier[4], uint32_t *buf_id,
+ uint32_t flags);
+
+/**
+ * Destroies the given framebuffer.
+ */
+extern int drmModeRmFB(int fd, uint32_t bufferId);
+
+/**
+ * Mark a region of a framebuffer as dirty.
+ */
+extern int drmModeDirtyFB(int fd, uint32_t bufferId,
+ drmModeClipPtr clips, uint32_t num_clips);
+
+
+/*
+ * Crtc functions
+ */
+
+/**
+ * Retrieve information about the ctrt crtcId
+ */
+extern drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId);
+
+/**
+ * Set the mode on a crtc crtcId with the given mode modeId.
+ */
+int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
+ uint32_t x, uint32_t y, uint32_t *connectors, int count,
+ drmModeModeInfoPtr mode);
+
+/*
+ * Cursor functions
+ */
+
+/**
+ * Set the cursor on crtc
+ */
+int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height);
+
+int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y);
+/**
+ * Move the cursor on crtc
+ */
+int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y);
+
+/**
+ * Encoder functions
+ */
+drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id);
+
+/*
+ * Connector manipulation
+ */
+
+/**
+ * Retrieve all information about the connector connectorId. This will do a
+ * forced probe on the connector to retrieve remote information such as EDIDs
+ * from the display device.
+ */
+extern drmModeConnectorPtr drmModeGetConnector(int fd,
+ uint32_t connectorId);
+
+/**
+ * Retrieve current information, i.e the currently active mode and encoder,
+ * about the connector connectorId. This will not do any probing on the
+ * connector or remote device, and only reports what is currently known.
+ * For the complete set of modes and encoders associated with the connector
+ * use drmModeGetConnector() which will do a probe to determine any display
+ * link changes first.
+ */
+extern drmModeConnectorPtr drmModeGetConnectorCurrent(int fd,
+ uint32_t connector_id);
+
+/**
+ * Get a bitmask of CRTCs a connector is compatible with.
+ *
+ * The bits reference CRTC indices. If the n-th CRTC is compatible with the
+ * connector, the n-th bit will be set. The indices are taken from the array
+ * returned by drmModeGetResources(). The indices are different from the object
+ * IDs.
+ *
+ * Zero is returned on error.
+ */
+extern uint32_t drmModeConnectorGetPossibleCrtcs(int fd,
+ const drmModeConnector *connector);
+
+/**
+ * Attaches the given mode to an connector.
+ */
+extern int drmModeAttachMode(int fd, uint32_t connectorId, drmModeModeInfoPtr mode_info);
+
+/**
+ * Detaches a mode from the connector
+ * must be unused, by the given mode.
+ */
+extern int drmModeDetachMode(int fd, uint32_t connectorId, drmModeModeInfoPtr mode_info);
+
+extern drmModePropertyPtr drmModeGetProperty(int fd, uint32_t propertyId);
+extern void drmModeFreeProperty(drmModePropertyPtr ptr);
+
+extern drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd, uint32_t blob_id);
+extern bool drmModeFormatModifierBlobIterNext(const drmModePropertyBlobRes *blob,
+ drmModeFormatModifierIterator *iter);
+extern void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr);
+extern int drmModeConnectorSetProperty(int fd, uint32_t connector_id, uint32_t property_id,
+ uint64_t value);
+extern int drmCheckModesettingSupported(const char *busid);
+
+extern int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size,
+ uint16_t *red, uint16_t *green, uint16_t *blue);
+extern int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size,
+ uint16_t *red, uint16_t *green, uint16_t *blue);
+extern int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id,
+ uint32_t flags, void *user_data);
+extern int drmModePageFlipTarget(int fd, uint32_t crtc_id, uint32_t fb_id,
+ uint32_t flags, void *user_data,
+ uint32_t target_vblank);
+
+extern drmModePlaneResPtr drmModeGetPlaneResources(int fd);
+extern drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id);
+extern int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
+ uint32_t fb_id, uint32_t flags,
+ int32_t crtc_x, int32_t crtc_y,
+ uint32_t crtc_w, uint32_t crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h);
+
+extern drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd,
+ uint32_t object_id,
+ uint32_t object_type);
+extern void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr);
+extern int drmModeObjectSetProperty(int fd, uint32_t object_id,
+ uint32_t object_type, uint32_t property_id,
+ uint64_t value);
+
+
+typedef struct _drmModeAtomicReq drmModeAtomicReq, *drmModeAtomicReqPtr;
+
+extern drmModeAtomicReqPtr drmModeAtomicAlloc(void);
+extern drmModeAtomicReqPtr drmModeAtomicDuplicate(const drmModeAtomicReqPtr req);
+extern int drmModeAtomicMerge(drmModeAtomicReqPtr base,
+ const drmModeAtomicReqPtr augment);
+extern void drmModeAtomicFree(drmModeAtomicReqPtr req);
+extern int drmModeAtomicGetCursor(const drmModeAtomicReqPtr req);
+extern void drmModeAtomicSetCursor(drmModeAtomicReqPtr req, int cursor);
+extern int drmModeAtomicAddProperty(drmModeAtomicReqPtr req,
+ uint32_t object_id,
+ uint32_t property_id,
+ uint64_t value);
+extern int drmModeAtomicCommit(int fd,
+ const drmModeAtomicReqPtr req,
+ uint32_t flags,
+ void *user_data);
+
+extern int drmModeCreatePropertyBlob(int fd, const void *data, size_t size,
+ uint32_t *id);
+extern int drmModeDestroyPropertyBlob(int fd, uint32_t id);
+
+/*
+ * DRM mode lease APIs. These create and manage new drm_masters with
+ * access to a subset of the available DRM resources
+ */
+
+extern int drmModeCreateLease(int fd, const uint32_t *objects, int num_objects, int flags, uint32_t *lessee_id);
+
+typedef struct drmModeLesseeList {
+ uint32_t count;
+ uint32_t lessees[];
+} drmModeLesseeListRes, *drmModeLesseeListPtr;
+
+extern drmModeLesseeListPtr drmModeListLessees(int fd);
+
+typedef struct drmModeObjectList {
+ uint32_t count;
+ uint32_t objects[];
+} drmModeObjectListRes, *drmModeObjectListPtr;
+
+extern drmModeObjectListPtr drmModeGetLease(int fd);
+
+extern int drmModeRevokeLease(int fd, uint32_t lessee_id);
+
+/**
+ * Get a string describing a connector type.
+ *
+ * NULL is returned if the connector type is unsupported. Callers should handle
+ * this gracefully, e.g. by falling back to "Unknown" or printing the raw value.
+ */
+extern const char *
+drmModeGetConnectorTypeName(uint32_t connector_type);
+
+/**
+ * Create a dumb buffer.
+ *
+ * Given a width, height and bits-per-pixel, the kernel will return a buffer
+ * handle, pitch and size. The flags must be zero.
+ *
+ * Returns 0 on success, negative errno on error.
+ */
+extern int
+drmModeCreateDumbBuffer(int fd, uint32_t width, uint32_t height, uint32_t bpp,
+ uint32_t flags, uint32_t *handle, uint32_t *pitch,
+ uint64_t *size);
+
+/**
+ * Destroy a dumb buffer.
+ *
+ * Returns 0 on success, negative errno on error.
+ */
+extern int
+drmModeDestroyDumbBuffer(int fd, uint32_t handle);
+
+/**
+ * Prepare a dumb buffer for mapping.
+ *
+ * The kernel returns an offset which can be used as an argument to mmap(2) on
+ * the DRM FD.
+ *
+ * Returns 0 on success, negative errno on error.
+ */
+extern int
+drmModeMapDumbBuffer(int fd, uint32_t handle, uint64_t *offset);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif