1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_uc.h b/drivers/net/ipa/ipa_uc.h
new file mode 100644
index 0000000000..85aa0df818
--- /dev/null
+++ b/drivers/net/ipa/ipa_uc.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2019-2022 Linaro Ltd.
+ */
+#ifndef _IPA_UC_H_
+#define _IPA_UC_H_
+
+struct ipa;
+enum ipa_irq_id;
+
+/**
+ * ipa_uc_interrupt_handler() - Handler for microcontroller IPA interrupts
+ * @ipa:	IPA pointer
+ * @irq_id:	IPA interrupt ID
+ */
+void ipa_uc_interrupt_handler(struct ipa *ipa, enum ipa_irq_id irq_id);
+
+/**
+ * ipa_uc_config() - Configure the IPA microcontroller subsystem
+ * @ipa:	IPA pointer
+ */
+void ipa_uc_config(struct ipa *ipa);
+
+/**
+ * ipa_uc_deconfig() - Inverse of ipa_uc_config()
+ * @ipa:	IPA pointer
+ */
+void ipa_uc_deconfig(struct ipa *ipa);
+
+/**
+ * ipa_uc_power() - Take a proxy power reference for the microcontroller
+ * @ipa:	IPA pointer
+ *
+ * The first time the modem boots, it loads firmware for and starts the
+ * IPA-resident microcontroller.  The microcontroller signals that it
+ * has completed its initialization by sending an INIT_COMPLETED response
+ * message to the AP.  The AP must ensure the IPA is powered until
+ * it receives this message, and to do so we take a "proxy" clock
+ * reference on its behalf here.  Once we receive the INIT_COMPLETED
+ * message (in ipa_uc_response_hdlr()) we drop this power reference.
+ */
+void ipa_uc_power(struct ipa *ipa);
+
+/**
+ * ipa_uc_panic_notifier()
+ * @ipa:	IPA pointer
+ *
+ * Notifier function called when the system crashes, to inform the
+ * microcontroller of the event.
+ */
+void ipa_uc_panic_notifier(struct ipa *ipa);
+
+#endif /* _IPA_UC_H_ */