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evdi_drm.h
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evdi_drm.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
*
* Copyright (c) 2015 - 2020 DisplayLink (UK) Ltd.
*
* This file is subject to the terms and conditions of the GNU General Public
* License v2. See the file COPYING in the main directory of this archive for
* more details.
*/
#ifndef __UAPI_EVDI_DRM_H__
#define __UAPI_EVDI_DRM_H__
#ifdef __KERNEL__
#include <linux/types.h>
#include <drm/drm.h>
#else
#include <stdint.h>
#endif
/* Output events sent from driver to evdi lib */
#define DRM_EVDI_EVENT_UPDATE_READY 0x80000000
#define DRM_EVDI_EVENT_DPMS 0x80000001
#define DRM_EVDI_EVENT_MODE_CHANGED 0x80000002
#define DRM_EVDI_EVENT_CRTC_STATE 0x80000003
#define DRM_EVDI_EVENT_CURSOR_SET 0x80000004
#define DRM_EVDI_EVENT_CURSOR_MOVE 0x80000005
struct drm_evdi_event_update_ready {
struct drm_event base;
};
struct drm_evdi_event_dpms {
struct drm_event base;
int32_t mode;
};
struct drm_evdi_event_mode_changed {
struct drm_event base;
int32_t hdisplay;
int32_t vdisplay;
int32_t vrefresh;
int32_t bits_per_pixel;
uint32_t pixel_format;
};
struct drm_evdi_event_crtc_state {
struct drm_event base;
int32_t state;
};
struct drm_evdi_connect {
int32_t connected;
int32_t dev_index;
const unsigned char * __user edid;
uint32_t edid_length;
uint32_t pixel_area_limit;
uint32_t pixel_per_second_limit;
};
struct drm_evdi_request_update {
int32_t reserved;
};
enum drm_evdi_grabpix_mode {
EVDI_GRABPIX_MODE_RECTS = 0,
EVDI_GRABPIX_MODE_DIRTY = 1,
};
struct drm_evdi_grabpix {
enum drm_evdi_grabpix_mode mode;
int32_t buf_width;
int32_t buf_height;
int32_t buf_byte_stride;
unsigned char __user *buffer;
int32_t num_rects;
struct drm_clip_rect __user *rects;
};
struct drm_evdi_event_cursor_set {
struct drm_event base;
int32_t hot_x;
int32_t hot_y;
uint32_t width;
uint32_t height;
uint8_t enabled;
uint32_t buffer_handle;
uint32_t buffer_length;
uint32_t pixel_format;
uint32_t stride;
};
struct drm_evdi_event_cursor_move {
struct drm_event base;
int32_t x;
int32_t y;
};
struct drm_evdi_enable_cursor_events {
struct drm_event base;
uint8_t enable;
};
/* Input ioctls from evdi lib to driver */
#define DRM_EVDI_CONNECT 0x00
#define DRM_EVDI_REQUEST_UPDATE 0x01
#define DRM_EVDI_GRABPIX 0x02
#define DRM_EVDI_ENABLE_CURSOR_EVENTS 0x04
/* LAST_IOCTL 0x5F -- 96 driver specific ioctls to use */
#define DRM_IOCTL_EVDI_CONNECT DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EVDI_CONNECT, struct drm_evdi_connect)
#define DRM_IOCTL_EVDI_REQUEST_UPDATE DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EVDI_REQUEST_UPDATE, struct drm_evdi_request_update)
#define DRM_IOCTL_EVDI_GRABPIX DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EVDI_GRABPIX, struct drm_evdi_grabpix)
#define DRM_IOCTL_EVDI_ENABLE_CURSOR_EVENTS DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EVDI_ENABLE_CURSOR_EVENTS, struct drm_evdi_enable_cursor_events)
#endif /* __EVDI_UAPI_DRM_H__ */