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authorEliot Blennerhassett <eblennerhassett@audioscience.com>2010-04-21 20:17:39 +0400
committerTakashi Iwai <tiwai@suse.de>2010-04-22 09:21:53 +0400
commit719f82d3987aad4cc9f46d19c35f362672545cad (patch)
tree3f9edf749da5e5d11bfa82336db99a01dd489979 /sound/pci/asihpi/hpi6205.h
parentcf0dbba515415bb19b11f9323d5f7bebd7f24fd6 (diff)
downloadlinux-719f82d3987aad4cc9f46d19c35f362672545cad.tar.xz
ALSA: Add support of AudioScience ASI boards
Added the support of AudioScience ASI boards. The driver has been tested for years on alsa-driver external tree, now finally got merged to the kernel. Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/asihpi/hpi6205.h')
-rw-r--r--sound/pci/asihpi/hpi6205.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/sound/pci/asihpi/hpi6205.h b/sound/pci/asihpi/hpi6205.h
new file mode 100644
index 000000000000..1adae0857cda
--- /dev/null
+++ b/sound/pci/asihpi/hpi6205.h
@@ -0,0 +1,93 @@
+/*****************************************************************************
+
+ AudioScience HPI driver
+ Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of version 2 of the GNU General Public License as
+ published by the Free Software Foundation;
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Host Interface module for an ASI6205 based
+bus mastering PCI adapter.
+
+Copyright AudioScience, Inc., 2003
+******************************************************************************/
+
+#ifndef _HPI6205_H_
+#define _HPI6205_H_
+
+/* transitional conditional compile shared between host and DSP */
+/* #define HPI6205_NO_HSR_POLL */
+
+#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 bus_master_interface {
+ u32 host_cmd;
+ u32 dsp_ack;
+ u32 transfer_size_in_bytes;
+ union {
+ struct hpi_message message_buffer;
+ struct hpi_response response_buffer;
+ u8 b_data[HPI6205_SIZEOF_DATA];
+ } 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