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103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/*-
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* Copyright (c) 2015 M. Warner Losh <imp@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DEV_OW_OWN_H
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#define DEV_OW_OWN_H 1
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#include "own_if.h"
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#define READ_ROM 0x33
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#define MATCH_ROM 0x55
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#define SKIP_ROM 0xcc
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#define ALARM_SEARCH 0xec
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#define SEARCH_ROM 0xf0
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static inline int
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own_send_command(device_t pdev, struct ow_cmd *cmd)
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{
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device_t ndev = device_get_parent(pdev);
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return OWN_SEND_COMMAND(ndev, pdev, cmd);
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}
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/*
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* How args for own_acquire_bus
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*/
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#define OWN_WAIT 1
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#define OWN_DONTWAIT 2
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static inline int
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own_acquire_bus(device_t pdev, int how)
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{
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device_t ndev = device_get_parent(pdev);
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return OWN_ACQUIRE_BUS(ndev, pdev, how);
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}
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static inline void
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own_release_bus(device_t pdev)
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{
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device_t ndev = device_get_parent(pdev);
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OWN_RELEASE_BUS(ndev, pdev);
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}
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static inline uint8_t
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own_crc(device_t pdev, uint8_t *buffer, size_t len)
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{
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device_t ndev = device_get_parent(pdev);
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return OWN_CRC(ndev, pdev, buffer, len);
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}
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static inline void
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own_self_command(device_t pdev, struct ow_cmd *cmd, uint8_t xpt_cmd)
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{
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uint8_t *mep;
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memset(cmd, 0, sizeof(*cmd));
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mep = ow_get_romid(pdev);
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cmd->rom_cmd[0] = MATCH_ROM;
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memcpy(&cmd->rom_cmd[1], mep, sizeof(romid_t));
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cmd->rom_len = 1 + sizeof(romid_t);
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cmd->xpt_cmd[0] = xpt_cmd;
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cmd->xpt_len = 1;
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}
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static inline int
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own_command_wait(device_t pdev, struct ow_cmd *cmd)
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{
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int rv;
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rv = own_acquire_bus(pdev, OWN_WAIT);
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if (rv != 0)
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return rv;
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rv = own_send_command(pdev, cmd);
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own_release_bus(pdev);
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return rv;
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}
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#endif /* DEV_OW_OWLL_H */
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