From 719f82d3987aad4cc9f46d19c35f362672545cad Mon Sep 17 00:00:00 2001 From: Eliot Blennerhassett Date: Wed, 21 Apr 2010 18:17:39 +0200 Subject: 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 Signed-off-by: Takashi Iwai --- sound/pci/asihpi/hpi6205.h | 93 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 sound/pci/asihpi/hpi6205.h (limited to 'sound/pci/asihpi/hpi6205.h') diff --git a/sound/pci/asihpi/hpi6205.h b/sound/pci/asihpi/hpi6205.h new file mode 100644 index 0000000..1adae08 --- /dev/null +++ b/sound/pci/asihpi/hpi6205.h @@ -0,0 +1,93 @@ +/***************************************************************************** + + AudioScience HPI driver + Copyright (C) 1997-2010 AudioScience Inc. + + 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 -- cgit v1.1