106 lines
4.2 KiB
C
106 lines
4.2 KiB
C
/* $NetBSD: gttwsivar.h,v 1.6 2020/01/12 17:48:42 thorpej Exp $ */
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/*
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* Copyright (c) 2008 Eiji Kawauchi.
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* All rights reserved.
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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, this list of conditions and the following 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Eiji Kawauchi.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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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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/*
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* Copyright (c) 2005 Brocade Communcations, inc.
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* All rights reserved.
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*
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* Written by Matt Thomas for Brocade Communcations, Inc.
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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, this list of conditions and the following 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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* 3. The name of Brocade Communications, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BROCADE COMMUNICATIONS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL EITHER BROCADE COMMUNICATIONS, INC. BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_MARVELL_GTTWSIVAR_H_
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#define _DEV_MARVELL_GTTWSIVAR_H_
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/*
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* Marvell Two-Wire Serial Interface (aka I2C) master driver
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*/
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/condvar.h>
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#include <sys/device.h>
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#include <sys/errno.h>
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#include <sys/kernel.h>
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#include <sys/mutex.h>
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#include <sys/systm.h>
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#include <dev/i2c/i2cvar.h>
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struct gttwsi_softc {
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device_t sc_dev;
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bus_space_tag_t sc_bust;
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bus_space_handle_t sc_bush;
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bool sc_started;
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struct i2c_controller sc_i2c;
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kmutex_t sc_buslock;
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kmutex_t sc_mtx;
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kcondvar_t sc_cv;
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const bus_size_t *sc_regmap; /* GTTWSI_NREGS entries */
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bool sc_iflg_rwc;
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};
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void gttwsi_attach_subr(device_t, bus_space_tag_t, bus_space_handle_t,
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const bus_size_t *);
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void gttwsi_config_children(device_t);
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uint32_t gttwsi_read_4(struct gttwsi_softc *, uint32_t);
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void gttwsi_write_4(struct gttwsi_softc *, uint32_t, uint32_t);
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int gttwsi_intr(void *);
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#endif /* _DEV_MARVELL_GTTSWI_VAR_H_ */
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