1*58a2b000SEvgeniy Ivanov /* $NetBSD: biospci.c,v 1.5 2008/12/14 17:03:43 christos Exp $ */
2*58a2b000SEvgeniy Ivanov
3*58a2b000SEvgeniy Ivanov /*
4*58a2b000SEvgeniy Ivanov * Copyright (c) 1996
5*58a2b000SEvgeniy Ivanov * Matthias Drochner. All rights reserved.
6*58a2b000SEvgeniy Ivanov *
7*58a2b000SEvgeniy Ivanov * Redistribution and use in source and binary forms, with or without
8*58a2b000SEvgeniy Ivanov * modification, are permitted provided that the following conditions
9*58a2b000SEvgeniy Ivanov * are met:
10*58a2b000SEvgeniy Ivanov * 1. Redistributions of source code must retain the above copyright
11*58a2b000SEvgeniy Ivanov * notice, this list of conditions and the following disclaimer.
12*58a2b000SEvgeniy Ivanov * 2. Redistributions in binary form must reproduce the above copyright
13*58a2b000SEvgeniy Ivanov * notice, this list of conditions and the following disclaimer in the
14*58a2b000SEvgeniy Ivanov * documentation and/or other materials provided with the distribution.
15*58a2b000SEvgeniy Ivanov *
16*58a2b000SEvgeniy Ivanov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17*58a2b000SEvgeniy Ivanov * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18*58a2b000SEvgeniy Ivanov * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19*58a2b000SEvgeniy Ivanov * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20*58a2b000SEvgeniy Ivanov * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21*58a2b000SEvgeniy Ivanov * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22*58a2b000SEvgeniy Ivanov * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23*58a2b000SEvgeniy Ivanov * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24*58a2b000SEvgeniy Ivanov * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25*58a2b000SEvgeniy Ivanov * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*58a2b000SEvgeniy Ivanov *
27*58a2b000SEvgeniy Ivanov */
28*58a2b000SEvgeniy Ivanov
29*58a2b000SEvgeniy Ivanov /*
30*58a2b000SEvgeniy Ivanov * basic PCI functions for libsa needs lowlevel parts from bios_pci.S
31*58a2b000SEvgeniy Ivanov */
32*58a2b000SEvgeniy Ivanov
33*58a2b000SEvgeniy Ivanov #include <lib/libsa/stand.h>
34*58a2b000SEvgeniy Ivanov
35*58a2b000SEvgeniy Ivanov #include "pcivar.h"
36*58a2b000SEvgeniy Ivanov
37*58a2b000SEvgeniy Ivanov extern int pcibios_present(int *);
38*58a2b000SEvgeniy Ivanov extern int pcibios_finddev(int, int, int, unsigned int *);
39*58a2b000SEvgeniy Ivanov extern int pcibios_cfgread(unsigned int, int, int *);
40*58a2b000SEvgeniy Ivanov extern int pcibios_cfgwrite(unsigned int, int, int);
41*58a2b000SEvgeniy Ivanov
42*58a2b000SEvgeniy Ivanov #define PCISIG ('P' | ('C' << 8) | ('I' << 16) | (' ' << 24))
43*58a2b000SEvgeniy Ivanov
44*58a2b000SEvgeniy Ivanov int
pcicheck(void)45*58a2b000SEvgeniy Ivanov pcicheck(void)
46*58a2b000SEvgeniy Ivanov {
47*58a2b000SEvgeniy Ivanov int ret, sig;
48*58a2b000SEvgeniy Ivanov
49*58a2b000SEvgeniy Ivanov ret = pcibios_present(&sig);
50*58a2b000SEvgeniy Ivanov
51*58a2b000SEvgeniy Ivanov if ((ret & 0xff00) || (sig != PCISIG))
52*58a2b000SEvgeniy Ivanov return -1;
53*58a2b000SEvgeniy Ivanov
54*58a2b000SEvgeniy Ivanov return 0;
55*58a2b000SEvgeniy Ivanov }
56*58a2b000SEvgeniy Ivanov
57*58a2b000SEvgeniy Ivanov int
pcifinddev(int vid,int did,pcihdl_t * handle)58*58a2b000SEvgeniy Ivanov pcifinddev(int vid, int did, pcihdl_t *handle)
59*58a2b000SEvgeniy Ivanov {
60*58a2b000SEvgeniy Ivanov int ret;
61*58a2b000SEvgeniy Ivanov
62*58a2b000SEvgeniy Ivanov *handle = 0;
63*58a2b000SEvgeniy Ivanov
64*58a2b000SEvgeniy Ivanov ret = pcibios_finddev(vid, did, 0, handle);
65*58a2b000SEvgeniy Ivanov
66*58a2b000SEvgeniy Ivanov if (ret)
67*58a2b000SEvgeniy Ivanov return -1;
68*58a2b000SEvgeniy Ivanov
69*58a2b000SEvgeniy Ivanov return 0;
70*58a2b000SEvgeniy Ivanov }
71*58a2b000SEvgeniy Ivanov
72*58a2b000SEvgeniy Ivanov int
pcicfgread(pcihdl_t * handle,int off,int * val)73*58a2b000SEvgeniy Ivanov pcicfgread(pcihdl_t *handle, int off, int *val)
74*58a2b000SEvgeniy Ivanov {
75*58a2b000SEvgeniy Ivanov int ret;
76*58a2b000SEvgeniy Ivanov
77*58a2b000SEvgeniy Ivanov ret = pcibios_cfgread(*handle, off, val);
78*58a2b000SEvgeniy Ivanov
79*58a2b000SEvgeniy Ivanov if (ret)
80*58a2b000SEvgeniy Ivanov return -1;
81*58a2b000SEvgeniy Ivanov
82*58a2b000SEvgeniy Ivanov return 0;
83*58a2b000SEvgeniy Ivanov }
84*58a2b000SEvgeniy Ivanov
85*58a2b000SEvgeniy Ivanov int
pcicfgwrite(pcihdl_t * handle,int off,int val)86*58a2b000SEvgeniy Ivanov pcicfgwrite(pcihdl_t *handle, int off, int val)
87*58a2b000SEvgeniy Ivanov {
88*58a2b000SEvgeniy Ivanov int ret;
89*58a2b000SEvgeniy Ivanov
90*58a2b000SEvgeniy Ivanov ret = pcibios_cfgwrite(*handle, off, val);
91*58a2b000SEvgeniy Ivanov
92*58a2b000SEvgeniy Ivanov if (ret)
93*58a2b000SEvgeniy Ivanov return -1;
94*58a2b000SEvgeniy Ivanov
95*58a2b000SEvgeniy Ivanov return 0;
96*58a2b000SEvgeniy Ivanov }
97