2a3d43c204
Summary: The CPLD is the communications medium between the CPU and the XMOS "Xena" event coprocessor. It provides a mailbox communication feature, along with dual-port RAM to be used between the CPU and XMOS. Also, it provides basic board stats as well, such as PCIe presence, JTAG signals, and CPU fan speed reporting (in revolutions per second). Only fan speed reading is handled, as a sysctl. Reviewed by: bdragon Differential Revision: https://reviews.freebsd.org/D23136
46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/*-
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* Copyright (c) 2020 Justin Hibbits
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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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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright 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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* $FreeBSD$
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*/
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#ifndef AMIGAONE_CPLD_H
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#define AMIGAONE_CPLD_H
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#include <sys/ioccom.h>
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/*
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* Write 'words' to 'offset' offset in dual-port RAM, then write cmd to mailbox.
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*/
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struct cpld_cmd_data {
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unsigned int cmd;
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unsigned int len;
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unsigned int offset;
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void *words;
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};
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#define IOCCPLDSEND _IOW('c', 2, struct cpld_cmd_data)
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#define IOCCPLDRECV _IOW('c', 3, struct cpld_cmd_data)
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#endif /* AMIGAONE_CPLD_H */
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