CHROMIUM: drm/evdi: Add Evdi module userspace api file.
BUG=chromium:579926
TEST=Build succeds, evdi_drm.h is installed.
Adding evdi module user space api header file.
Header file is necessary by libevdi library.
(review: https://chromium-review.googlesource.com/#/c/326670/)
Change-Id: I2cc04fb6e0d3674665ce24441620dd0c07f36281
Signed-off-by: Lukasz Spintzyk <lukasz.spintzyk@displaylink.com>
Reviewed-on: https://chromium-review.googlesource.com/327051
Commit-Ready: Bernie Thompson <bhthompson@chromium.org>
Tested-by: Łukasz Spintzyk <lukasz.spintzyk@displaylink.com>
Reviewed-by: Haixia Shi <hshi@chromium.org>
diff --git a/Makefile.sources b/Makefile.sources
index bebebfd..50fe542 100644
--- a/Makefile.sources
+++ b/Makefile.sources
@@ -33,7 +33,8 @@
include/drm/sis_drm.h \
include/drm/tegra_drm.h \
include/drm/vgem_drm.h \
- include/drm/via_drm.h
+ include/drm/via_drm.h \
+ include/drm/evdi_drm.h
LIBDRM_INCLUDE_VMWGFX_H_FILES := \
include/drm/vmwgfx_drm.h
diff --git a/include/drm/evdi_drm.h b/include/drm/evdi_drm.h
new file mode 100644
index 0000000..3a00c7f
--- /dev/null
+++ b/include/drm/evdi_drm.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2015 - 2016 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
+
+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;
+ unsigned int edid_length;
+};
+
+struct drm_evdi_mapfifo {
+ int32_t reserved;
+};
+
+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;
+};
+
+/* Input ioctls from evdi lib to driver */
+#define DRM_EVDI_CONNECT 0x00
+#define DRM_EVDI_REQUEST_UPDATE 0x01
+#define DRM_EVDI_GRABPIX 0x02
+/* 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)
+
+#endif /* __EVDI_UAPI_DRM_H__ */
+
