mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 08:14:15 +08:00
719f82d398
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>
94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/*****************************************************************************
|
|
|
|
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
|