Merge remote-tracking branch 'Drivers/master'

Drivers/storage/ata/main.c

@@ -0,0 +1,76 @@
+/*
+	This file is part of Fennix Drivers.
+
+	Fennix Drivers is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix Drivers is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix Drivers. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <errno.h>
+#include <regs.h>
+#include <base.h>
+#include <io.h>
+
+bool IsATAPresent()
+{
+	outb(0x1F0 + 2, 0);
+	outb(0x1F0 + 3, 0);
+	outb(0x1F0 + 4, 0);
+	outb(0x1F0 + 5, 0);
+	outb(0x1F0 + 7, 0xEC);
+	if (inb(0x1F0 + 7) == 0 || inb(0x1F0 + 1) != 0)
+		return false;
+	return true;
+}
+
+void MasterInterruptHandler(TrapFrame *)
+{
+}
+
+void SlaveInterruptHandler(TrapFrame *)
+{
+}
+
+int DriverEntry()
+{
+	RegisterInterruptHandler(14, MasterInterruptHandler);
+	RegisterInterruptHandler(15, SlaveInterruptHandler);
+
+	return 0;
+}
+
+int DriverFinal()
+{
+	UnregisterInterruptHandler(14, MasterInterruptHandler);
+	UnregisterInterruptHandler(15, SlaveInterruptHandler);
+
+	return 0;
+}
+
+int DriverPanic()
+{
+	return 0;
+}
+
+int DriverProbe()
+{
+	if (!IsATAPresent())
+		return -ENODEV;
+
+	return 0;
+}
+
+DriverInfo("ata",
+		   "Advanced Technology Attachment Driver",
+		   "EnderIce2",
+		   0, 0, 1,
+		   "GPLv3");