Add 'qcom/opensource/audio-kernel/' from commit '0ee387dfadf349618494d6f82ec8cec796ebef70'

git-subtree-dir: qcom/opensource/audio-kernel
git-subtree-mainline: 99ab089c55
git-subtree-split: 0ee387dfad
Change-Id:
repo: https://git.codelinaro.org/clo/la/platform/vendor/qcom/opensource/audio-kernel-ar
tag: AUDIO.LA.9.0.r1-07400-lanai.0

qcom/opensource/audio-kernel/dsp/audio_ssr.h

@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2016, 2020 The Linux Foundation. All rights reserved.
+ */
+
+#ifndef __AUDIO_SSR_H_
+#define __AUDIO_SSR_H_
+
+enum {
+	AUDIO_SSR_DOMAIN_ADSP,
+	AUDIO_SSR_DOMAIN_MODEM,
+	AUDIO_SSR_DOMAIN_MAX
+};
+
+#ifdef CONFIG_MSM_QDSP6_SSR
+
+/*
+ * Use audio_ssr_register to register with the SSR subsystem
+ *
+ * domain_id - Service to use, example: AUDIO_SSR_DOMAIN_ADSP
+ * *nb - Pointer to a notifier block. Provide a callback function
+ *       to be notified of an event for that service. The ioctls
+ *       used by the callback are defined in subsystem_notif.h.
+ *
+ * Returns: Success: Client handle
+ *          Failure: Pointer error code
+ */
+void *audio_ssr_register(const char *domain_name, struct notifier_block *nb);
+
+/*
+ * Use audio_ssr_deregister to register with the SSR subsystem
+ *
+ * handle - Handle received from audio_ssr_register
+ * *nb - Pointer to a notifier block. Callback function
+ *       Used from audio_ssr_register.
+ *
+ * Returns: Success: 0
+ *          Failure: Error code
+ */
+int audio_ssr_deregister(void *handle, struct notifier_block *nb);
+
+
+/*
+ * Use audio_ssr_send_nmi to force a RAM dump on ADSP
+ * down event.
+ *
+ * *ssr_cb_data - *data received from notifier callback
+ */
+void audio_ssr_send_nmi(void *ssr_cb_data);
+
+#else
+
+static inline void *audio_ssr_register(int domain_id,
+				       struct notifier_block *nb)
+{
+	return NULL;
+}
+
+static inline int audio_ssr_deregister(void *handle, struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline void audio_ssr_send_nmi(void *ssr_cb_data)
+{
+}
+
+#endif /* CONFIG_MSM_QDSP6_SSR */
+
+#endif