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path: root/drivers/usb/typec/altmodes/nvidia.c
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Diffstat (limited to 'drivers/usb/typec/altmodes/nvidia.c')
-rw-r--r--drivers/usb/typec/altmodes/nvidia.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/usb/typec/altmodes/nvidia.c b/drivers/usb/typec/altmodes/nvidia.c
new file mode 100644
index 000000000000..c36769736405
--- /dev/null
+++ b/drivers/usb/typec/altmodes/nvidia.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 NVIDIA Corporation. All rights reserved.
+ *
+ * NVIDIA USB Type-C Alt Mode Driver
+ */
+#include <linux/module.h>
+#include <linux/usb/typec_altmode.h>
+#include <linux/usb/typec_dp.h>
+#include "displayport.h"
+
+static int nvidia_altmode_probe(struct typec_altmode *alt)
+{
+ if (alt->svid == USB_TYPEC_NVIDIA_VLINK_SID)
+ return dp_altmode_probe(alt);
+ else
+ return -ENOTSUPP;
+}
+
+static void nvidia_altmode_remove(struct typec_altmode *alt)
+{
+ if (alt->svid == USB_TYPEC_NVIDIA_VLINK_SID)
+ dp_altmode_remove(alt);
+}
+
+static const struct typec_device_id nvidia_typec_id[] = {
+ { USB_TYPEC_NVIDIA_VLINK_SID, TYPEC_ANY_MODE },
+ { },
+};
+MODULE_DEVICE_TABLE(typec, nvidia_typec_id);
+
+static struct typec_altmode_driver nvidia_altmode_driver = {
+ .id_table = nvidia_typec_id,
+ .probe = nvidia_altmode_probe,
+ .remove = nvidia_altmode_remove,
+ .driver = {
+ .name = "typec_nvidia",
+ .owner = THIS_MODULE,
+ },
+};
+module_typec_altmode_driver(nvidia_altmode_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("NVIDIA USB Type-C Alt Mode Driver");