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-rw-r--r--sound/pci/asihpi/hpi6205.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/sound/pci/asihpi/hpi6205.h b/sound/pci/asihpi/hpi6205.h
new file mode 100644
index 000000000..cc70e99a4
--- /dev/null
+++ b/sound/pci/asihpi/hpi6205.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*****************************************************************************
+
+ AudioScience HPI driver
+ Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com>
+
+
+Host Interface module for an ASI6205 based
+bus mastering PCI adapter.
+
+Copyright AudioScience, Inc., 2003
+******************************************************************************/
+
+#ifndef _HPI6205_H_
+#define _HPI6205_H_
+
+#include "hpi_internal.h"
+
+/***********************************************************
+ Defines used for basic messaging
+************************************************************/
+#define H620_HIF_RESET 0
+#define H620_HIF_IDLE 1
+#define H620_HIF_GET_RESP 2
+#define H620_HIF_DATA_DONE 3
+#define H620_HIF_DATA_MASK 0x10
+#define H620_HIF_SEND_DATA 0x14
+#define H620_HIF_GET_DATA 0x15
+#define H620_HIF_UNKNOWN 0x0000ffff
+
+/***********************************************************
+ Types used for mixer control caching
+************************************************************/
+
+#define H620_MAX_ISTREAMS 32
+#define H620_MAX_OSTREAMS 32
+#define HPI_NMIXER_CONTROLS 2048
+
+/*********************************************************************
+This is used for dynamic control cache allocation
+**********************************************************************/
+struct controlcache_6205 {
+ u32 number_of_controls;
+ u32 physical_address32;
+ u32 size_in_bytes;
+};
+
+/*********************************************************************
+This is used for dynamic allocation of async event array
+**********************************************************************/
+struct async_event_buffer_6205 {
+ u32 physical_address32;
+ u32 spare;
+ struct hpi_fifo_buffer b;
+};
+
+/***********************************************************
+The Host located memory buffer that the 6205 will bus master
+in and out of.
+************************************************************/
+#define HPI6205_SIZEOF_DATA (16*1024)
+
+struct message_buffer_6205 {
+ struct hpi_message message;
+ char data[256];
+};
+
+struct response_buffer_6205 {
+ struct hpi_response response;
+ char data[256];
+};
+
+union buffer_6205 {
+ struct message_buffer_6205 message_buffer;
+ struct response_buffer_6205 response_buffer;
+ u8 b_data[HPI6205_SIZEOF_DATA];
+};
+
+struct bus_master_interface {
+ u32 host_cmd;
+ u32 dsp_ack;
+ u32 transfer_size_in_bytes;
+ union buffer_6205 u;
+ struct controlcache_6205 control_cache;
+ struct async_event_buffer_6205 async_buffer;
+ struct hpi_hostbuffer_status
+ instream_host_buffer_status[H620_MAX_ISTREAMS];
+ struct hpi_hostbuffer_status
+ outstream_host_buffer_status[H620_MAX_OSTREAMS];
+};
+
+#endif