Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/drivers/net/ipa/ipa_smp2p.h b/drivers/net/ipa/ipa_smp2p.h
new file mode 100644
index 0000000000..9b969b03d1
--- /dev/null
+++ b/drivers/net/ipa/ipa_smp2p.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2019-2022 Linaro Ltd.
+ */
+#ifndef _IPA_SMP2P_H_
+#define _IPA_SMP2P_H_
+
+#include <linux/types.h>
+
+struct ipa;
+
+/**
+ * ipa_smp2p_init() - Initialize the IPA SMP2P subsystem
+ * @ipa:	IPA pointer
+ * @modem_init:	Whether the modem is responsible for GSI initialization
+ *
+ * Return:	0 if successful, or a negative error code
+ *
+ */
+int ipa_smp2p_init(struct ipa *ipa, bool modem_init);
+
+/**
+ * ipa_smp2p_exit() - Inverse of ipa_smp2p_init()
+ * @ipa:	IPA pointer
+ */
+void ipa_smp2p_exit(struct ipa *ipa);
+
+/**
+ * ipa_smp2p_irq_disable_setup() - Disable the "setup ready" interrupt
+ * @ipa:	IPA pointer
+ *
+ * Disable the "ipa-setup-ready" interrupt from the modem.
+ */
+void ipa_smp2p_irq_disable_setup(struct ipa *ipa);
+
+/**
+ * ipa_smp2p_notify_reset() - Reset modem notification state
+ * @ipa:	IPA pointer
+ *
+ * If the modem crashes it queries the IPA power state.  In cleaning
+ * up after such a crash this is used to reset some state maintained
+ * for managing this notification.
+ */
+void ipa_smp2p_notify_reset(struct ipa *ipa);
+
+#endif /* _IPA_SMP2P_H_ */