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      1 /*	$NetBSD: platform_device.h,v 1.8 2021/12/19 10:49:55 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Taylor R. Campbell.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _LINUX_PLATFORM_DEVICE_H_
     33 #define _LINUX_PLATFORM_DEVICE_H_
     34 
     35 #include <sys/device.h>
     36 #include <sys/bus.h>
     37 
     38 #define NUM_PLATFORM_RESOURCE	2
     39 
     40 struct platform_device {
     41 	device_t	pd_dev;
     42 	uint64_t	id;
     43 
     44 	bus_dma_tag_t	dmat;
     45 	unsigned int	nresource;
     46 	struct {
     47 		bus_space_tag_t	tag;
     48 		bus_addr_t	start;
     49 		bus_size_t	len;
     50 	}		resource[NUM_PLATFORM_RESOURCE];
     51 };
     52 
     53 static inline device_t
     54 platform_device_dev(const struct platform_device *platformdev)
     55 {
     56 
     57 	return platformdev->pd_dev;
     58 }
     59 
     60 static inline const char *
     61 platform_device_name(const struct platform_device *platformdev)
     62 {
     63 
     64 	return device_xname(platformdev->pd_dev);
     65 }
     66 
     67 static inline struct platform_device *
     68 to_platform_device(device_t self)
     69 {
     70 
     71 	/* XXX */
     72 	return device_private(self);
     73 }
     74 
     75 #endif  /* _LINUX_PLATFORM_DEVICE_H_ */
     76