xref: /freebsd/usr.sbin/bhyve/amd64/pci_lpc.h (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2013 Neel Natu <neel@freebsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _LPC_H_
30 #define	_LPC_H_
31 
32 #include <sys/linker_set.h>
33 
34 typedef void (*lpc_write_dsdt_t)(void);
35 
36 struct lpc_dsdt {
37 	lpc_write_dsdt_t handler;
38 };
39 
40 #define	LPC_DSDT(handler)						\
41 	static struct lpc_dsdt __CONCAT(__lpc_dsdt, __LINE__) = {	\
42 		(handler),						\
43 	};								\
44 	DATA_SET(lpc_dsdt_set, __CONCAT(__lpc_dsdt, __LINE__))
45 
46 enum lpc_sysres_type {
47 	LPC_SYSRES_IO,
48 	LPC_SYSRES_MEM
49 };
50 
51 struct lpc_sysres {
52 	enum lpc_sysres_type type;
53 	uint32_t base;
54 	uint32_t length;
55 };
56 
57 #define	LPC_SYSRES(type, base, length)					\
58 	static struct lpc_sysres __CONCAT(__lpc_sysres, __LINE__) = {	\
59 		(type),							\
60 		(base),							\
61 		(length)						\
62 	};								\
63 	DATA_SET(lpc_sysres_set, __CONCAT(__lpc_sysres, __LINE__))
64 
65 #define	SYSRES_IO(base, length)		LPC_SYSRES(LPC_SYSRES_IO, base, length)
66 #define	SYSRES_MEM(base, length)	LPC_SYSRES(LPC_SYSRES_MEM, base, length)
67 
68 int	lpc_device_parse(const char *opt);
69 void    lpc_print_supported_devices(void);
70 char	*lpc_pirq_name(int pin);
71 void	lpc_pirq_routed(void);
72 const char *lpc_bootrom(void);
73 const char *lpc_fwcfg(void);
74 
75 #endif
76