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/*
* Copyright © 2013 ARM Limited.
*
* 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 (including the next
* paragraph) 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 DRMMODE_DRIVER_H
#define DRMMODE_DRIVER_H
#include <stdint.h>
#include "xorg-server.h"
#include "xf86Crtc.h"
#include "armsoc_dumb.h"
enum hwcursor_api {
HWCURSOR_API_PLANE = 0,
HWCURSOR_API_STANDARD = 1,
};
struct drmmode_interface {
/* Boolean value indicating whether DRM page flip events should
* be requested and waited for during DRM_IOCTL_MODE_PAGE_FLIP.
*/
int use_page_flip_events;
/* The cursor width */
int cursor_width;
/* The cursor height */
int cursor_height;
/* A padding column of pixels of this width is added to either
* side of the image
*/
int cursor_padding;
/* This specifies whether the DRM implements HW cursor support
* using planes or the standard HW cursor API using drmModeSetCursor()
* and drmModeMoveCursor().
*/
enum hwcursor_api cursor_api;
/* (Optional) Initialize the given plane for use as a hardware cursor.
*
* This function should do any initialization necessary, for example
* setting the z-order on the plane to appear above all other layers.
*
* @param drm_fd The DRM device file
* @param plane_id The plane to initialize
* @return 0 on success, non-zero on failure
*/
int (*init_plane_for_cursor)(int drm_fd, uint32_t plane_id);
/* (Mandatory) Set the cursor image from an ARGB image
*
* If the cursor image is ARGB this is a straight copy, otherwise
* it must perform any necessary conversion from ARGB to the
* cursor format.
*
* @param crtc The CRTC in use
* @param [out] d Pointer to the destination cursor image
* @param [in] s Pointer to the source for the cursor image
*/
void (*set_cursor_image)(xf86CrtcPtr crtc, uint32_t *d, CARD32 *s);
/* Boolean value indicating whether the DRM supports
* vblank timestamp query
*/
int vblank_query_supported;
/* (Mandatory) Create new gem object
*
* A driver specific ioctl() is usually needed to create GEM objects
* with particular features such as contiguous memory, uncached, etc...
*
* @param fd DRM device file descriptor
* @param create_gem generic GEM description
* @return 0 on success, non-zero on failure
*/
int (*create_custom_gem)(int fd, struct armsoc_create_gem *create_gem);
};
struct drmmode_interface *drmmode_interface_get_implementation(int drm_fd);
#endif
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