81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
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/* $NetBSD: dwiic_var.h,v 1.1 2017/12/10 17:12:54 bouyer Exp $ */
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/*-
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* Copyright (c) 2017 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Manuel Bouyer.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE 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 OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <dev/i2c/i2cvar.h>
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enum dwiic_type {
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dwiic_type_generic,
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dwiic_type_sunrisepoint
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};
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struct dwiic_softc {
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device_t sc_dev;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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void *sc_ih;
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enum dwiic_type sc_type;
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bool (*sc_power)(struct dwiic_softc *, bool);
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struct i2cbus_attach_args sc_iba;
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device_t sc_iic;
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int sc_poll;
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kmutex_t sc_int_lock;
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kcondvar_t sc_int_readwait;
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kcondvar_t sc_int_writewait;
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uint32_t master_cfg;
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uint16_t ss_hcnt, ss_lcnt, fs_hcnt, fs_lcnt;
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uint32_t sda_hold_time;
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int tx_fifo_depth;
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int rx_fifo_depth;
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struct i2c_controller sc_i2c_tag;
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kmutex_t sc_i2c_lock;
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struct {
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i2c_op_t op;
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void *buf;
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size_t len;
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int flags;
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volatile int error;
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} sc_i2c_xfer;
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};
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bool dwiic_attach(struct dwiic_softc *);
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int dwiic_detach(device_t, int);
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bool dwiic_suspend(device_t, const pmf_qual_t *);
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bool dwiic_resume(device_t, const pmf_qual_t *);
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int dwiic_intr(void *);
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