1 files changed, 71 insertions, 0 deletions
diff --git a/sound/pci/asihpi/hpicmn.h b/sound/pci/asihpi/hpicmn.h
new file mode 100644
index 000000000..de3bedd29
--- /dev/null
+++ b/sound/pci/asihpi/hpicmn.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/**
+
+    AudioScience HPI driver
+    Copyright (C) 1997-2014  AudioScience Inc. <support@audioscience.com>
+
+
+*/
+
+struct hpi_adapter_obj;
+
+/* a function that takes an adapter obj and returns an int */
+typedef int adapter_int_func(struct hpi_adapter_obj *pao, u32 message);
+
+#define HPI_IRQ_NONE		(0)
+#define HPI_IRQ_MESSAGE		(1)
+#define HPI_IRQ_MIXER		(2)
+
+struct hpi_adapter_obj {
+	struct hpi_pci pci;	/* PCI info - bus#,dev#,address etc */
+	u16 type;		/* 0x6644 == ASI6644 etc */
+	u16 index;
+
+	struct hpios_spinlock dsp_lock;
+
+	u16 dsp_crashed;
+	u16 has_control_cache;
+	void *priv;
+	adapter_int_func *irq_query_and_clear;
+	struct hpi_hostbuffer_status *instream_host_buffer_status;
+	struct hpi_hostbuffer_status *outstream_host_buffer_status;
+};
+
+struct hpi_control_cache {
+	/** indicates whether the structures are initialized */
+	u16 init;
+	u16 adap_idx;
+	u32 control_count;
+	u32 cache_size_in_bytes;
+	/** pointer to allocated memory of lookup pointers. */
+	struct hpi_control_cache_info **p_info;
+	/** pointer to DSP's control cache. */
+	u8 *p_cache;
+};
+
+struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index);
+
+u16 hpi_add_adapter(struct hpi_adapter_obj *pao);
+
+void hpi_delete_adapter(struct hpi_adapter_obj *pao);
+
+short hpi_check_control_cache(struct hpi_control_cache *pC,
+	struct hpi_message *phm, struct hpi_response *phr);
+
+short hpi_check_control_cache_single(struct hpi_control_cache_single *pC,
+	struct hpi_message *phm, struct hpi_response *phr);
+
+struct hpi_control_cache *hpi_alloc_control_cache(const u32
+	number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer);
+
+void hpi_free_control_cache(struct hpi_control_cache *p_cache);
+
+void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC,
+	struct hpi_message *phm, struct hpi_response *phr);
+
+void hpi_cmn_control_cache_sync_to_msg_single(struct hpi_control_cache_single
+	*pC, struct hpi_message *phm, struct hpi_response *phr);
+
+u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr);
+
+hpi_handler_func HPI_COMMON;