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Diffstat (limited to 'sound/pci/asihpi/hpi6205.h')
| -rw-r--r-- | sound/pci/asihpi/hpi6205.h | 93 | 
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 00000000000..1adae0857cd --- /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  |