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empbvar.h revision 1.2.4.2 
      1 /*	$NetBSD: empbvar.h,v 1.2.4.2 2012/10/30 17:18:52 yamt Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Radoslaw Kujawa.
      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 #include <sys/types.h>
     33 #include <sys/device.h>
     34 #include <sys/bus.h>
     35 
     36 #include <dev/pci/pcivar.h>
     37 #include <dev/pci/pcireg.h>
     38 #include <dev/pci/pcidevs.h>
     39 
     40 #include <machine/pci_machdep.h>
     41 
     42 /*
     43  * Structure used to describe PCI devices with memory that can be used as
     44  * bounce buffers. XXX: not used yet.
     45  */
     46 struct empb_dmamemdev_entry {
     47 	/* location of the device on bus */
     48 	int	bus;
     49 	int	dev;
     50 	int	function;
     51 	/* how to find memory on device */
     52 	uint8_t	bar;	/* which BAR will be used to access the mem */
     53 	uint32_t off;	/* offset from BAR address */
     54 	uint32_t size;	/* how much memory will we steal */
     55 };
     56 
     57 struct empb_softc {
     58 	device_t			sc_dev;
     59 
     60 	struct bus_space_tag		setup_area;
     61 	bus_space_tag_t			setup_area_t;
     62 	bus_space_handle_t		setup_area_h;
     63 
     64 	struct bus_space_tag		pci_confio_area;
     65 	bus_space_tag_t			pci_confio_t;
     66 	bus_space_handle_t		pci_confio_h;
     67 	uint8_t				pci_confio_mode;
     68 
     69 	struct bus_space_tag		pci_mem_win;
     70 	bus_space_tag_t			pci_mem_win_t;
     71 	uint32_t			pci_mem_win_size;
     72 	bus_addr_t			pci_mem_win_pos;
     73 	uint16_t			pci_mem_win_mask;
     74 
     75 	struct amiga_pci_chipset	apc;
     76 
     77 };
     78 
     79 
     80 bus_addr_t	empb_switch_window(struct empb_softc *sc, bus_addr_t address);
     81 
     82