198247Smikeh/*	$NetBSD: gttwsivar.h,v 1.6 2020/01/12 17:48:42 thorpej Exp $	*/
279971Sobrien/*
398247Smikeh * Copyright (c) 2008 Eiji Kawauchi.
498247Smikeh * All rights reserved.
598247Smikeh *
698247Smikeh * Redistribution and use in source and binary forms, with or without
798247Smikeh * modification, are permitted provided that the following conditions
898247Smikeh * are met:
998247Smikeh * 1. Redistributions of source code must retain the above copyright
1098247Smikeh *    notice, this list of conditions and the following disclaimer.
1198247Smikeh * 2. Redistributions in binary form must reproduce the above copyright
1298247Smikeh *    notice, this list of conditions and the following disclaimer in the
1398247Smikeh *    documentation and/or other materials provided with the distribution.
1498247Smikeh * 3. All advertising materials mentioning features or use of this software
1579971Sobrien *    must display the following acknowledgement:
1679971Sobrien *      This product includes software developed for the NetBSD Project by
1779971Sobrien *      Eiji Kawauchi.
1879971Sobrien * 4. The name of the author may not be used to endorse or promote products
1979971Sobrien *    derived from this software without specific prior written permission
2079971Sobrien *
2179971Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
2279971Sobrien * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
2379971Sobrien * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
2479971Sobrien * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
2579971Sobrien * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32/*
33 * Copyright (c) 2005 Brocade Communcations, inc.
34 * All rights reserved.
35 *
36 * Written by Matt Thomas for Brocade Communcations, Inc.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 *    notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 *    notice, this list of conditions and the following disclaimer in the
45 *    documentation and/or other materials provided with the distribution.
46 * 3. The name of Brocade Communications, Inc. may not be used to endorse
47 *    or promote products derived from this software without specific prior
48 *    written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY BROCADE COMMUNICATIONS, INC. ``AS IS'' AND
51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED.  IN NO EVENT SHALL EITHER BROCADE COMMUNICATIONS, INC. BE
54 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
55 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
56 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
57 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
58 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
59 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
60 * OF THE POSSIBILITY OF SUCH DAMAGE.
61 */
62
63#ifndef _DEV_MARVELL_GTTWSIVAR_H_
64#define _DEV_MARVELL_GTTWSIVAR_H_
65
66/*
67 * Marvell Two-Wire Serial Interface (aka I2C) master driver
68 */
69
70#include <sys/param.h>
71#include <sys/bus.h>
72#include <sys/condvar.h>
73#include <sys/device.h>
74#include <sys/errno.h>
75#include <sys/kernel.h>
76#include <sys/mutex.h>
77#include <sys/systm.h>
78
79#include <dev/i2c/i2cvar.h>
80
81struct gttwsi_softc {
82	device_t sc_dev;
83	bus_space_tag_t sc_bust;
84	bus_space_handle_t sc_bush;
85	bool sc_started;
86	struct i2c_controller sc_i2c;
87	kmutex_t sc_buslock;
88	kmutex_t sc_mtx;
89	kcondvar_t sc_cv;
90
91	const bus_size_t *sc_regmap;	/* GTTWSI_NREGS entries */
92
93	bool sc_iflg_rwc;
94};
95
96void	gttwsi_attach_subr(device_t, bus_space_tag_t, bus_space_handle_t,
97			   const bus_size_t *);
98void	gttwsi_config_children(device_t);
99
100uint32_t gttwsi_read_4(struct gttwsi_softc *, uint32_t);
101void	gttwsi_write_4(struct gttwsi_softc *, uint32_t, uint32_t);
102
103int	gttwsi_intr(void *);
104
105#endif /* _DEV_MARVELL_GTTSWI_VAR_H_ */
106