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/* SPDX-License-Identifier: GPL-2.0-only
* Copyright (c) 2016 - 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__
/* 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
#define DRM_EVDI_EVENT_DDCCI_DATA 0x80000006
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 sku_area_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_ddcci_response {
const unsigned char * __user buffer;
uint32_t buffer_length;
uint8_t result;
};
#define DDCCI_BUFFER_SIZE 64
struct drm_evdi_event_ddcci_data {
struct drm_event base;
unsigned char buffer[DDCCI_BUFFER_SIZE];
uint32_t buffer_length;
uint16_t flags;
uint16_t address;
};
/* 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_DDCCI_RESPONSE 0x03
/* 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_DDCCI_RESPONSE DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EVDI_DDCCI_RESPONSE, struct drm_evdi_ddcci_response)
#endif /* __EVDI_UAPI_DRM_H__ */
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