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
|
/*
* pci.c - PCI functions for X-Sys
* Copyright (C) 1997-1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz> [PCI routines from lspci]
* Copyright (C) 2000 Tom Rini <trini@kernel.crashing.org> [XorgAutoConfig pci.c, based on lspci]
* Copyright (C) 2005, 2006 Tony Vroon
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <pci/pci.h>
#include <glib.h>
#include "xsys.h"
static struct pci_filter filter; /* Device filter */
static struct pci_access *pacc;
int bus, dev, func; /* Location of the card */
struct device {
struct device *next;
struct pci_dev *dev;
unsigned int config_cnt;
u8 config[256];
};
static struct device *first_dev;
static struct device *scan_device(struct pci_dev *p)
{
int how_much = 64;
struct device *d;
if (!pci_filter_match(&filter, p))
return NULL;
d = g_new0 (struct device, 1);
d->dev = p;
if (!pci_read_block(p, 0, d->config, how_much))
exit(1);
if (how_much < 128 && (d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS) {
/* For cardbus bridges, we need to fetch 64 bytes more to get the full standard header... */
if (!pci_read_block(p, 64, d->config+64, 64))
exit(1);
how_much = 128;
}
d->config_cnt = how_much;
pci_setup_cache(p, d->config, d->config_cnt);
pci_fill_info(p, PCI_FILL_IDENT);
return d;
}
static void scan_devices(void)
{
struct device *d;
struct pci_dev *p;
pci_scan_bus(pacc);
for(p=pacc->devices; p; p=p->next)
if ((d = scan_device(p))) {
d->next = first_dev;
first_dev = d;
}
}
static u16 get_conf_word(struct device *d, unsigned int pos)
{
return d->config[pos] | (d->config[pos+1] << 8);
}
int pci_find_by_class(u16 *class, char *vendor, char *device)
{
struct device *d;
struct pci_dev *p;
int nomatch = 1;
pacc = pci_alloc();
pci_filter_init(pacc, &filter);
pci_init(pacc);
scan_devices();
for(d=first_dev; d; d=d->next) {
p = d->dev;
/* Acquire vendor & device ID if the class matches */
if(get_conf_word(d, PCI_CLASS_DEVICE) == *class) {
nomatch = 0;
g_snprintf(vendor,7,"%04x",p->vendor_id);
g_snprintf(device,7,"%04x",p->device_id);
break;
}
}
pci_cleanup(pacc);
return nomatch;
}
void pci_find_fullname(char *fullname, char *vendor, char *device)
{
char buffer[bsize];
char vendorname[bsize/2] = "";
char devicename[bsize/2] = "";
char *position;
int cardfound = 0;
FILE *fp;
sysinfo_get_pciids (buffer);
fp = fopen (buffer, "r");
if(fp == NULL) {
g_snprintf(fullname, bsize, "%s:%s", vendor, device);
sysinfo_print_error ("pci.ids file not found! You might want to adjust your pciids setting with /SYSINFO SET pciids (you can query its current value with /SYSINFO LIST).\n");
return;
}
while(fgets(buffer, bsize, fp) != NULL) {
if (!isspace(buffer[0]) && strstr(buffer, vendor) != NULL) {
position = strstr(buffer, vendor);
position += 6;
strncpy(vendorname, position, bsize/2);
position = strstr(vendorname, "\n");
*(position) = '\0';
break;
}
}
while(fgets(buffer, bsize, fp) != NULL) {
if(strstr(buffer, device) != NULL) {
position = strstr(buffer, device);
position += 6;
strncpy(devicename, position, bsize/2);
position = strstr(devicename, " (");
if (position == NULL)
position = strstr(devicename, "\n");
*(position) = '\0';
cardfound = 1;
break;
}
}
if (cardfound == 1)
g_snprintf(fullname, bsize, "%s %s", vendorname, devicename);
else
g_snprintf(fullname, bsize, "%s:%s", vendor, device);
fclose(fp);
}
|
