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      1 /*	$NetBSD: gttwsivar.h,v 1.6 2020/01/12 17:48:42 thorpej Exp $	*/
      2 /*
      3  * Copyright (c) 2008 Eiji Kawauchi.
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *      This product includes software developed for the NetBSD Project by
     17  *      Eiji Kawauchi.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * 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 
     81 struct 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 
     96 void	gttwsi_attach_subr(device_t, bus_space_tag_t, bus_space_handle_t,
     97 			   const bus_size_t *);
     98 void	gttwsi_config_children(device_t);
     99 
    100 uint32_t gttwsi_read_4(struct gttwsi_softc *, uint32_t);
    101 void	gttwsi_write_4(struct gttwsi_softc *, uint32_t, uint32_t);
    102 
    103 int	gttwsi_intr(void *);
    104 
    105 #endif /* _DEV_MARVELL_GTTSWI_VAR_H_ */
    106