Initial commit

channel/channelapp/source/dvd.c

@@ -0,0 +1,79 @@
+#include <stdlib.h>
+#include <string.h>
+#include <ogcsys.h>
+#include <gccore.h>
+
+#include "../config.h"
+
+static u32 inbuf[8] __attribute__((aligned(0x20)));
+static u32 outbuf[8] __attribute__((aligned(0x20)));
+
+static s32 _dvd_fd = -1;
+
+static const char _dvd_path[] __attribute__((aligned(0x20))) = "/dev/di";
+
+typedef enum {
+	WDVD_OPEN = 0,
+	WDVD_STOP,
+	WDVD_CLOSE,
+	WDVD_DONE
+} wiidvd_state;
+
+static wiidvd_state _state;
+
+static s32 __WiiDVD_Callback(s32 result, void *userdata)
+{
+	s32 res = -1;
+
+	switch (_state) {
+	case WDVD_OPEN:
+		_dvd_fd = result;
+		if (_dvd_fd < 0)
+			return 0;
+
+		memset(inbuf, 0, 0x20);
+		inbuf[0x00] = 0xe3000000;
+		inbuf[0x01] = 0;
+		inbuf[0x02] = 0;
+
+		_state = WDVD_STOP;
+		res = IOS_IoctlAsync( _dvd_fd, 0xe3, inbuf, 0x20, outbuf, 0x20,
+				__WiiDVD_Callback, NULL);
+		break;
+
+	case WDVD_STOP:
+		_state = WDVD_CLOSE;
+		res = IOS_CloseAsync(_dvd_fd, __WiiDVD_Callback, NULL);
+		break;
+
+	case WDVD_CLOSE:
+		_dvd_fd = -1;
+		_state = WDVD_DONE;
+		res = 0;
+		break;
+
+	default:
+		break;
+	}
+
+	return res;
+}
+
+s32 WiiDVD_StopMotorAsync(void) {
+	_state = WDVD_OPEN;
+	
+	gprintf("starting DVD motor stop callback chain\n");
+	return IOS_OpenAsync(_dvd_path, 0, __WiiDVD_Callback, NULL);
+}
+
+void WiiDVD_ShutDown(void) {
+	s32 fd = _dvd_fd;
+
+	if (fd > 0) {
+		_dvd_fd = -1;
+		_state = WDVD_DONE;
+		IOS_Close(fd);
+		gprintf("killed DVD motor stop callback chain\n");
+	}
+}
+