From ce90c0aa44b1f07ddd59159ae60e6f63357d85b8 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Tue, 21 Dec 2021 21:55:56 -0800
Subject: Fixed Graphics

---
 src/graphics/mbox.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/graphics/mbox.h

(limited to 'src/graphics/mbox.h')

diff --git a/src/graphics/mbox.h b/src/graphics/mbox.h
new file mode 100644
index 0000000..fe021a2
--- /dev/null
+++ b/src/graphics/mbox.h
@@ -0,0 +1,27 @@
+#ifndef GRAPHICS_MBOX_H
+#define GRAPHICS_MBOX_H
+
+/* a properly aligned buffer */
+extern volatile unsigned int mbox[36];
+
+#define MBOX_REQUEST    0
+
+/* channels */
+#define MBOX_CH_POWER   0
+#define MBOX_CH_FB      1
+#define MBOX_CH_VUART   2
+#define MBOX_CH_VCHIQ   3
+#define MBOX_CH_LEDS    4
+#define MBOX_CH_BTNS    5
+#define MBOX_CH_TOUCH   6
+#define MBOX_CH_COUNT   7
+#define MBOX_CH_PROP    8
+
+/* tags */
+#define MBOX_TAG_SETPOWER       0x28001
+#define MBOX_TAG_SETCLKRATE     0x38002
+#define MBOX_TAG_LAST           0
+
+int mbox_call(unsigned char ch);
+
+#endif
-- 
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