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authornishi <nishi@vegaa.systems>2023-07-07 23:40:27 +0000
committernishi <nishi@vegaa.systems>2023-07-07 23:40:27 +0000
commitd963772c6633a0610898aaba2ae90d461e8f2de8 (patch)
tree64d9e0a7b09b205d5f42011aa2bfe88e321f706d /sys/dev/video
should be working, should be
git-svn-id: https://svn.vegaa.systems/svn/vega-Vega/trunk@7 a8a8aea2-181d-ee11-89e8-15fd0e089fc4
Diffstat (limited to 'sys/dev/video')
-rw-r--r--sys/dev/video/fbdev.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/sys/dev/video/fbdev.c b/sys/dev/video/fbdev.c
new file mode 100644
index 0000000..3ef3d8f
--- /dev/null
+++ b/sys/dev/video/fbdev.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/types.h>
+#include <sys/limine.h>
+#include <dev/video/fbdev.h>
+
+#define FRAMEBUFFER \
+ framebuffer_req.response->framebuffers[0]
+
+static volatile struct limine_framebuffer_request framebuffer_req = {
+ .id = LIMINE_FRAMEBUFFER_REQUEST,
+ .revision = 0
+};
+
+struct fbdev
+fbdev_get_front(void)
+{
+ struct fbdev ret;
+
+ ret.mem = FRAMEBUFFER->address;
+ ret.width = FRAMEBUFFER->width;
+ ret.height = FRAMEBUFFER->height;
+ ret.pitch = FRAMEBUFFER->pitch;
+ return ret;
+
+}