own.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*-
    2  * Copyright (c) 2015 M. Warner Losh <imp@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 unmodified, this list of conditions, and the following
   10  *    disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD$
   27  */
   28 
   29 #ifndef DEV_OW_OWN_H
   30 #define DEV_OW_OWN_H 1
   31 
   32 #include "own_if.h"
   33 
   34 
   35 #define READ_ROM        0x33
   36 #define MATCH_ROM       0x55
   37 #define SKIP_ROM        0xcc
   38 #define ALARM_SEARCH    0xec
   39 #define SEARCH_ROM      0xf0
   40 
   41 static inline int
   42 own_send_command(device_t pdev, struct ow_cmd *cmd)
   43 {
   44         device_t ndev = device_get_parent(pdev);
   45 
   46         return OWN_SEND_COMMAND(ndev, pdev, cmd);
   47 }
   48 
   49 /*
   50  * How args for own_acquire_bus
   51  */
   52 #define OWN_WAIT        1
   53 #define OWN_DONTWAIT    2
   54 
   55 static inline int
   56 own_acquire_bus(device_t pdev, int how)
   57 {
   58         device_t ndev = device_get_parent(pdev);
   59 
   60         return OWN_ACQUIRE_BUS(ndev, pdev, how);
   61 }
   62 
   63 static inline void
   64 own_release_bus(device_t pdev)
   65 {
   66         device_t ndev = device_get_parent(pdev);
   67 
   68         OWN_RELEASE_BUS(ndev, pdev);
   69 }
   70 
   71 static inline uint8_t
   72 own_crc(device_t pdev, uint8_t *buffer, size_t len)
   73 {
   74         device_t ndev = device_get_parent(pdev);
   75 
   76         return OWN_CRC(ndev, pdev, buffer, len);
   77 }
   78 
   79 static inline void
   80 own_self_command(device_t pdev, struct ow_cmd *cmd, uint8_t xpt_cmd)
   81 {
   82         uint8_t *mep;
   83 
   84         memset(cmd, 0, sizeof(*cmd));
   85         mep = ow_get_romid(pdev);
   86         cmd->rom_cmd[0] = MATCH_ROM;
   87         memcpy(&cmd->rom_cmd[1], mep, sizeof(romid_t));
   88         cmd->rom_len = 1 + sizeof(romid_t);
   89         cmd->xpt_cmd[0] = xpt_cmd;
   90         cmd->xpt_len = 1;
   91 }
   92 
   93 static inline int
   94 own_command_wait(device_t pdev, struct ow_cmd *cmd)
   95 {
   96         int rv;
   97 
   98         rv = own_acquire_bus(pdev, OWN_WAIT);
   99         if (rv != 0)
  100                 return rv;
  101         rv = own_send_command(pdev, cmd);
  102         own_release_bus(pdev);
  103         return rv;
  104 }
  105 
  106 #endif /* DEV_OW_OWLL_H */

Cache object: 76e8735b72858e5b67c1acf1442a1887

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/dev/ow/own.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ow/own.h