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ALSA: asihpi - Increase request and response buffer sizes

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Allow for up to 256 bytes of extra data on top of standard hpi
request and response sizes.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Eliot Blennerhassett
2011-07-22 15:52:38 +12:00
committed by Takashi Iwai
parent 82b5774fe0
commit c6c2c9aba1
3 changed files with 34 additions and 19 deletions
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25
sound/pci/asihpi/hpi6205.h
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@@ -1,7 +1,7 @@
/*****************************************************************************
AudioScience HPI driver
Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com>
Copyright (C) 1997-2011 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
@@ -70,15 +70,28 @@ The Host located memory buffer that the 6205 will bus master
in and out of.
************************************************************/
#define HPI6205_SIZEOF_DATA (16*1024)
struct message_buffer_6205 {
struct hpi_message message;
char data[256];
};
struct response_buffer_6205 {
struct hpi_response response;
char data[256];
};
union buffer_6205 {
struct message_buffer_6205 message_buffer;
struct response_buffer_6205 response_buffer;
u8 b_data[HPI6205_SIZEOF_DATA];
};
struct bus_master_interface {
u32 host_cmd;
u32 dsp_ack;
u32 transfer_size_in_bytes;
union {
struct hpi_message_header message_buffer;
struct hpi_response_header response_buffer;
u8 b_data[HPI6205_SIZEOF_DATA];
} u;
union buffer_6205 u;
struct controlcache_6205 control_cache;
struct async_event_buffer_6205 async_buffer;
struct hpi_hostbuffer_status