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
|
--- src/pci_freebsd.c.orig Sat Aug 17 20:38:56 2002
+++ src/pci_freebsd.c Sat Aug 17 20:38:56 2002
@@ -0,0 +1,150 @@
+/* manipulate PCI devices from user space
+
+ Tridge, July 2000
+
+ FreeBSD modifications for sjog by Jay Kuri jk@oneway.com 08/13/01
+*/
+/*
+ Copyright (C) Andrew Tridgell 2000
+ Copyright (C) Takanori Watanabe 2000
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+#include <sys/types.h>
+#include <sys/pciio.h>
+#include <sys/fcntl.h>
+#include "sonypi.h"
+#define MAX_BUS 8
+
+#define PCI_GETCONF_MATCH_VENDDEV (PCI_GETCONF_MATCH_VENDOR|PCI_GETCONF_MATCH_DEVICE)
+#define MAXHANDLE 32
+
+static struct pci_io pio[MAXHANDLE];
+static u_int32_t handlebmp=0;
+static int pci_fd=-1;
+static int pcifd_internal_init();
+int pcifd_internal_init()
+{
+ return pci_fd=open("/dev/pci",O_RDWR,0);
+}
+/* find a PCI device and return a handle to it */
+int pci_find_device(u32 vendor, u32 device)
+{
+
+ struct pci_conf pc[4];/*I think only one is enough*/
+ struct pci_conf_io pcfi;
+ struct pci_match_conf pmc={{0,0,0},"",0,0xffff,0xffff,0,
+ PCI_GETCONF_MATCH_VENDDEV};
+ int handle;
+ if(pci_fd==-1){
+ if(pcifd_internal_init()==-1)
+ return -1;
+ }
+ pmc.pc_vendor=vendor;
+ pmc.pc_device=device;
+ pcfi.pat_buf_len=sizeof(pmc);
+ pcfi.num_patterns=1;
+ pcfi.patterns=&pmc;
+ pcfi.match_buf_len=sizeof(pc);
+ pcfi.num_matches=0;
+ pcfi.matches=pc;
+ pcfi.offset=0;
+ pcfi.generation=0;
+ ioctl(pci_fd,PCIOCGETCONF,&pcfi);
+ if(pcfi.num_matches==0){
+ goto error;
+ }
+ for(handle=0;handle<32;handle++){
+ if(!(handlebmp&(1<<handle))){
+ pio[handle].pi_sel=pc[0].pc_sel;
+ handlebmp|=(1<<handle);
+ return handle;
+ }
+ }
+ error:
+ close(pci_fd);
+ return -1;
+}
+
+
+/* routines to read and write PCI config space */
+#define PCICFGWACCESSOR(bsize) \
+int pci_config_write_u##bsize(int fd, int ofs, u##bsize v)\
+{\
+ int result;\
+ if(fd==-1){\
+ return -1;\
+ }\
+ if(pci_fd==-1){\
+ if(pcifd_internal_init()==-1)\
+ return -1;\
+ }\
+ pio[fd].pi_reg=ofs;\
+ pio[fd].pi_width=bsize/8;\
+ pio[fd].pi_data=v;\
+ result=ioctl(pci_fd,PCIOCWRITE,&pio[fd]);\
+ return result;\
+}
+PCICFGWACCESSOR(8)
+PCICFGWACCESSOR(16)
+PCICFGWACCESSOR(32)
+#undef PCICFGWACCESSOR
+/*Acctually define
+ pci_config_write_u8();
+ pci_config_write_u16();
+ pci_config_write_u32();
+*/
+#define PCICFGRACCESSOR(bsize) \
+int pci_config_read_u##bsize(int fd, int ofs, u##bsize *v)\
+{\
+ int result;\
+ if(fd==-1){\
+ return -1;\
+ }\
+ if(pci_fd==-1){\
+ if(pcifd_internal_init()==-1)\
+ return -1;\
+ }\
+ pio[fd].pi_reg=ofs;\
+ pio[fd].pi_width=bsize/8;\
+ result=ioctl(pci_fd,PCIOCREAD,&pio[fd]);\
+ *v=pio[fd].pi_data&((bsize==32)? 0xffffffff: (1<<bsize)-1);\
+ return result;\
+}
+/*Acctually define
+ pci_config_read_u8();
+ pci_config_read_u16();
+ pci_config_read_u32();
+*/
+PCICFGRACCESSOR(8)
+PCICFGRACCESSOR(16)
+PCICFGRACCESSOR(32)
+#undef PCICFGRACCESSOR
+
+/* find a pci base address via /proc/bus/pci/devices. This seems to be
+ needed on some boxes. Why? */
+u_int32_t pci_read_base_address(u32 vendor, u32 device)
+{
+ return 0;/* In FreeBSD???*/
+}
+
+
+
+
+
+
+
+
+
|
