1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/***********************************************************************/
/*!
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
\file
Functions for reading DSP code to load into DSP
(Linux only:) If DSPCODE_FIRMWARE_LOADER is defined, code is read using
hotplug firmware loader from individual dsp code files
If neither of the above is defined, code is read from linked arrays.
DSPCODE_ARRAY is defined.
HPI_INCLUDE_**** must be defined
and the appropriate hzz?????.c or hex?????.c linked in
*/
/***********************************************************************/
#define SOURCEFILE_NAME "hpidspcd.c"
#include "hpidspcd.h"
#include "hpidebug.h"
/**
Header structure for binary dsp code file (see asidsp.doc)
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 {
u32 size;
char type[4];
u32 adapter;
u32 version;
u32 crc;
};
#ifndef DISABLE_PRAGMA_PACK1
#pragma pack(pop)
#endif
#define HPI_VER_DECIMAL ((int)(HPI_VER_MAJOR(HPI_VER) * 10000 + \
HPI_VER_MINOR(HPI_VER) * 100 + HPI_VER_RELEASE(HPI_VER)))
/***********************************************************************/
#include "linux/pci.h"
/*-------------------------------------------------------------------*/
short hpi_dsp_code_open(u32 adapter, struct dsp_code *ps_dsp_code,
u32 *pos_error_code)
{
const struct firmware *ps_firmware = ps_dsp_code->ps_firmware;
struct code_header header;
char fw_name[20];
int err;
sprintf(fw_name, "asihpi/dsp%04x.bin", adapter);
HPI_DEBUG_LOG(INFO, "requesting firmware for %s\n", fw_name);
err = request_firmware(&ps_firmware, fw_name,
&ps_dsp_code->ps_dev->dev);
if (err != 0) {
HPI_DEBUG_LOG(ERROR, "%d, request_firmware failed for %s\n",
err, fw_name);
goto error1;
}
if (ps_firmware->size < sizeof(header)) {
HPI_DEBUG_LOG(ERROR, "header size too small %s\n", fw_name);
goto error2;
}
memcpy(&header, ps_firmware->data, sizeof(header));
if (header.adapter != adapter) {
HPI_DEBUG_LOG(ERROR, "adapter type incorrect %4x != %4x\n",
header.adapter, adapter);
goto error2;
}
if (header.size != ps_firmware->size) {
HPI_DEBUG_LOG(ERROR, "code size wrong %d != %ld\n",
header.size, (unsigned long)ps_firmware->size);
goto error2;
}
if (header.version / 10000 != HPI_VER_DECIMAL / 10000) {
HPI_DEBUG_LOG(ERROR,
"firmware major version mismatch "
"DSP image %d != driver %d\n", header.version,
HPI_VER_DECIMAL);
goto error2;
}
if (header.version != HPI_VER_DECIMAL) {
HPI_DEBUG_LOG(WARNING,
"version mismatch DSP image %d != driver %d\n",
header.version, HPI_VER_DECIMAL);
/* goto error2; still allow driver to load */
}
HPI_DEBUG_LOG(INFO, "dsp code %s opened\n", fw_name);
ps_dsp_code->ps_firmware = ps_firmware;
ps_dsp_code->block_length = header.size / sizeof(u32);
ps_dsp_code->word_count = sizeof(header) / sizeof(u32);
ps_dsp_code->version = header.version;
ps_dsp_code->crc = header.crc;
return 0;
error2:
release_firmware(ps_firmware);
error1:
ps_dsp_code->ps_firmware = NULL;
ps_dsp_code->block_length = 0;
return HPI_ERROR_DSP_FILE_NOT_FOUND;
}
/*-------------------------------------------------------------------*/
void hpi_dsp_code_close(struct dsp_code *ps_dsp_code)
{
if (ps_dsp_code->ps_firmware != NULL) {
HPI_DEBUG_LOG(DEBUG, "dsp code closed\n");
release_firmware(ps_dsp_code->ps_firmware);
ps_dsp_code->ps_firmware = NULL;
}
}
/*-------------------------------------------------------------------*/
void hpi_dsp_code_rewind(struct dsp_code *ps_dsp_code)
{
/* Go back to start of data, after header */
ps_dsp_code->word_count = sizeof(struct code_header) / sizeof(u32);
}
/*-------------------------------------------------------------------*/
short hpi_dsp_code_read_word(struct dsp_code *ps_dsp_code, u32 *pword)
{
if (ps_dsp_code->word_count + 1 > ps_dsp_code->block_length)
return (HPI_ERROR_DSP_FILE_FORMAT);
*pword = ((u32 *)(ps_dsp_code->ps_firmware->data))[ps_dsp_code->
word_count];
ps_dsp_code->word_count++;
return 0;
}
/*-------------------------------------------------------------------*/
short hpi_dsp_code_read_block(size_t words_requested,
struct dsp_code *ps_dsp_code, u32 **ppblock)
{
if (ps_dsp_code->word_count + words_requested >
ps_dsp_code->block_length)
return HPI_ERROR_DSP_FILE_FORMAT;
*ppblock =
((u32 *)(ps_dsp_code->ps_firmware->data)) +
ps_dsp_code->word_count;
ps_dsp_code->word_count += words_requested;
return 0;
}
|
