Fix duplicate atomic_t typedef conflicting with types.h

2026-05-31 05:50:29 +03:00
parent 98326148ef
commit 3431bbfeb2
6455 changed files with 7049323 additions and 203 deletions
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Interface for Surface ACPI Notify (SAN) driver.
+ *
+ * Provides access to discrete GPU notifications sent from ACPI via the SAN
+ * driver, which are not handled by this driver directly.
+ *
+ * Copyright (C) 2019-2020 Maximilian Luz <luzmaximilian@gmail.com>
+ */
+
+#ifndef _LINUX_SURFACE_ACPI_NOTIFY_H
+#define _LINUX_SURFACE_ACPI_NOTIFY_H
+
+#include <linux/notifier.h>
+#include <linux/types.h>
+
+/**
+ * struct san_dgpu_event - Discrete GPU ACPI event.
+ * @category: Category of the event.
+ * @target:   Target ID of the event source.
+ * @command:  Command ID of the event.
+ * @instance: Instance ID of the event source.
+ * @length:   Length of the event's payload data (in bytes).
+ * @payload:  Pointer to the event's payload data.
+ */
+struct san_dgpu_event {
+	u8 category;
+	u8 target;
+	u8 command;
+	u8 instance;
+	u16 length;
+	u8 *payload;
+};
+
+int san_client_link(struct device *client);
+int san_dgpu_notifier_register(struct notifier_block *nb);
+int san_dgpu_notifier_unregister(struct notifier_block *nb);
+
+#endif /* _LINUX_SURFACE_ACPI_NOTIFY_H */