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authorEliot Blennerhassett <eblennerhassett@audioscience.com>2010-04-21 18:17:39 +0200
committerTakashi Iwai <tiwai@suse.de>2010-04-22 07:21:53 +0200
commit719f82d3987aad4cc9f46d19c35f362672545cad (patch)
tree3f9edf749da5e5d11bfa82336db99a01dd489979 /sound/pci/asihpi/hpi6000.h
parentcf0dbba515415bb19b11f9323d5f7bebd7f24fd6 (diff)
downloadlinux-719f82d3987aad4cc9f46d19c35f362672545cad.tar.bz2
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/hpi6000.h')
-rw-r--r--sound/pci/asihpi/hpi6000.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/sound/pci/asihpi/hpi6000.h b/sound/pci/asihpi/hpi6000.h
new file mode 100644
index 000000000000..4c7d507c0ecd
--- /dev/null
+++ b/sound/pci/asihpi/hpi6000.h
@@ -0,0 +1,70 @@
+/*****************************************************************************
+
+ 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
+
+Public declarations for DSP Proramming Interface to TI C6701
+
+Shared between hpi6000.c and DSP code
+
+(C) Copyright AudioScience Inc. 1998-2003
+******************************************************************************/
+
+#ifndef _HPI6000_H_
+#define _HPI6000_H_
+
+#define HPI_NMIXER_CONTROLS 200
+
+/*
+ * Control caching is always supported in the HPI code.
+ * The DSP should make sure that dwControlCacheSizeInBytes is initialized to 0
+ * during boot to make it in-active.
+ */
+struct hpi_hif_6000 {
+ u32 host_cmd;
+ u32 dsp_ack;
+ u32 address;
+ u32 length;
+ u32 message_buffer_address;
+ u32 response_buffer_address;
+ u32 dsp_number;
+ u32 adapter_info;
+ u32 control_cache_is_dirty;
+ u32 control_cache_address;
+ u32 control_cache_size_in_bytes;
+ u32 control_cache_count;
+};
+
+#define HPI_HIF_PACK_ADAPTER_INFO(adapter, version_major, version_minor) \
+ ((adapter << 16) | (version_major << 8) | version_minor)
+#define HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER(adapterinfo) \
+ ((adapterinfo >> 16) & 0xffff)
+#define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MAJOR(adapterinfo) \
+ ((adapterinfo >> 8) & 0xff)
+#define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MINOR(adapterinfo) \
+ (adapterinfo & 0xff)
+
+/* Command/status exchanged between host and DSP */
+#define HPI_HIF_IDLE 0
+#define HPI_HIF_SEND_MSG 1
+#define HPI_HIF_GET_RESP 2
+#define HPI_HIF_DATA_MASK 0x10
+#define HPI_HIF_SEND_DATA 0x13
+#define HPI_HIF_GET_DATA 0x14
+#define HPI_HIF_SEND_DONE 5
+#define HPI_HIF_RESET 9
+
+#endif /* _HPI6000_H_ */