usr.sbin/bhyve/pci_lpc.h

   1 /*-
   2  * Copyright (c) 2013 Neel Natu <neel@freebsd.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  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 char    *lpc_pirq_name(int pin);
  70 void    lpc_pirq_routed(void);
  71 const char *lpc_bootrom(void);
  72
  73 #endif