95a4c6e785
The loader API has been revised so that OS specific data is kept local to hpidspcd.c, and the public API is unchanged across OSes. Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/***********************************************************************/
|
|
/**
|
|
|
|
AudioScience HPI driver
|
|
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
|
|
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
|
|
|
|
\file
|
|
Functions for reading DSP code to load into DSP
|
|
|
|
*/
|
|
/***********************************************************************/
|
|
#ifndef _HPIDSPCD_H_
|
|
#define _HPIDSPCD_H_
|
|
|
|
#include "hpi_internal.h"
|
|
|
|
/** Code header version is decimal encoded e.g. 4.06.10 is 40601 */
|
|
#define HPI_VER_DECIMAL ((int)(HPI_VER_MAJOR(HPI_VER) * 10000 + \
|
|
HPI_VER_MINOR(HPI_VER) * 100 + HPI_VER_RELEASE(HPI_VER)))
|
|
|
|
/** Header structure for dsp firmware file
|
|
This structure must match that used in s2bin.c for generation of asidsp.bin
|
|
*/
|
|
/*#ifndef DISABLE_PRAGMA_PACK1 */
|
|
/*#pragma pack(push, 1) */
|
|
/*#endif */
|
|
struct code_header {
|
|
/** Size in bytes including header */
|
|
u32 size;
|
|
/** File type tag "CODE" == 0x45444F43 */
|
|
u32 type;
|
|
/** Adapter model number */
|
|
u32 adapter;
|
|
/** Firmware version*/
|
|
u32 version;
|
|
/** Data checksum */
|
|
u32 checksum;
|
|
};
|
|
/*#ifndef DISABLE_PRAGMA_PACK1 */
|
|
/*#pragma pack(pop) */
|
|
/*#endif */
|
|
|
|
/*? Don't need the pragmas? */
|
|
compile_time_assert((sizeof(struct code_header) == 20), code_header_size);
|
|
|
|
/** Descriptor for dspcode from firmware loader */
|
|
struct dsp_code {
|
|
/** copy of file header */
|
|
struct code_header header;
|
|
/** Expected number of words in the whole dsp code,INCL header */
|
|
u32 block_length;
|
|
/** Number of words read so far */
|
|
u32 word_count;
|
|
|
|
/** internal state of DSP code reader */
|
|
struct dsp_code_private *pvt;
|
|
};
|
|
|
|
/** Prepare *psDspCode to refer to the requested adapter's firmware.
|
|
Code file name is obtained from HpiOs_GetDspCodePath
|
|
|
|
\return 0 for success, or error code if requested code is not available
|
|
*/
|
|
short hpi_dsp_code_open(
|
|
/** Code identifier, usually adapter family */
|
|
u32 adapter, void *pci_dev,
|
|
/** Pointer to DSP code control structure */
|
|
struct dsp_code *ps_dsp_code,
|
|
/** Pointer to dword to receive OS specific error code */
|
|
u32 *pos_error_code);
|
|
|
|
/** Close the DSP code file */
|
|
void hpi_dsp_code_close(struct dsp_code *ps_dsp_code);
|
|
|
|
/** Rewind to the beginning of the DSP code file (for verify) */
|
|
void hpi_dsp_code_rewind(struct dsp_code *ps_dsp_code);
|
|
|
|
/** Read one word from the dsp code file
|
|
\return 0 for success, or error code if eof, or block length exceeded
|
|
*/
|
|
short hpi_dsp_code_read_word(struct dsp_code *ps_dsp_code,
|
|
/**< DSP code descriptor */
|
|
u32 *pword /**< Where to store the read word */
|
|
);
|
|
|
|
/** Get a block of dsp code into an internal buffer, and provide a pointer to
|
|
that buffer. (If dsp code is already an array in memory, it is referenced,
|
|
not copied.)
|
|
|
|
\return Error if requested number of words are not available
|
|
*/
|
|
short hpi_dsp_code_read_block(size_t words_requested,
|
|
struct dsp_code *ps_dsp_code,
|
|
/* Pointer to store (Pointer to code buffer) */
|
|
u32 **ppblock);
|
|
|
|
#endif
|