ddrhook: Add HDXS acio device + emu

src/main/acio/acio.h

@@ -5,6 +5,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 
+#include "acio/hdxs.h"
 #include "acio/icca.h"
 #include "acio/kfca.h"
 
@@ -71,6 +72,8 @@ struct ac_io_message {
 
                 struct ac_io_kfca_poll_in kfca_poll_in;
                 struct ac_io_kfca_poll_out kfca_poll_out;
+
+                struct ac_io_hdxs_output hdxs_output;
             };
         } cmd;
 

src/main/acio/hdxs.h

@@ -0,0 +1,48 @@
+#ifndef ACIO_HDXS_H
+#define ACIO_HDXS_H
+
+#include <stdint.h>
+
+enum ac_io_hdxs_cmd {
+    AC_IO_HDXS_CMD_SET_OUTPUTS = 0x0112,
+};
+
+#pragma pack(push, 1)
+struct ac_io_hdxs_light {
+    uint8_t analog : 7; // rgb component
+    uint8_t bit : 1; // buttons
+};
+
+struct ac_io_hdxs_output {
+    uint8_t empty;
+    struct ac_io_hdxs_light lights[12];
+};
+
+enum ac_io_hdxs_front_panel_lights {
+    AC_IO_HDXS_OUT_P1_START = 0,
+    AC_IO_HDXS_OUT_P1_UP_DOWN = 1,
+    AC_IO_HDXS_OUT_P1_LEFT_RIGHT = 2,
+    AC_IO_HDXS_OUT_P2_START = 3,
+    AC_IO_HDXS_OUT_P2_UP_DOWN = 4,
+    AC_IO_HDXS_OUT_P2_LEFT_RIGHT = 5,
+};
+
+enum ac_io_hdxs_grb_layout {
+    AC_IO_HDXS_GREEN = 0,
+    AC_IO_HDXS_RED = 1,
+    AC_IO_HDXS_BLUE = 2,
+};
+
+enum ac_io_hdxs_speaker_lights {
+    AC_IO_HDXS_OUT_P1_SPEAKER_F = 0,
+    AC_IO_HDXS_OUT_P2_SPEAKER_F = 1,
+    AC_IO_HDXS_OUT_P1_SPEAKER_W = 2,
+    AC_IO_HDXS_OUT_P2_SPEAKER_W = 3,
+};
+
+_Static_assert(
+    sizeof(struct ac_io_hdxs_output) == 13,
+    "ac_io_hdxs_output is the wrong size");
+#pragma pack(pop)
+
+#endif