zig

fork of https://codeberg.org/ziglang/zig
Log | Files | Refs | README | LICENSE

ofwpci.h (2613B) - Raw


      1 /*-
      2  * Copyright (c) 2011 Nathan Whitehorn
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     24  * SUCH DAMAGE.
     25  */
     26 
     27 #ifndef _DEV_OFW_OFWPCI_H_
     28 #define	_DEV_OFW_OFWPCI_H_
     29 
     30 /*
     31  * Export class definition for inheritance purposes
     32  */
     33 DECLARE_CLASS(ofw_pcib_driver);
     34 
     35 struct ofw_pci_cell_info {
     36 	pcell_t host_address_cells;
     37 	pcell_t pci_address_cell;
     38 	pcell_t size_cells;
     39  };
     40 
     41 struct ofw_pci_range {
     42 	uint32_t	pci_hi;
     43 	uint64_t	pci;
     44 	uint64_t	host;
     45 	uint64_t	size;
     46 };
     47 
     48 /*
     49  * Quirks for some adapters
     50  */
     51 enum {
     52 	OFW_PCI_QUIRK_RANGES_ON_CHILDREN = 1,
     53 };
     54 
     55 struct ofw_pci_softc {
     56 	device_t	sc_dev;
     57 	phandle_t	sc_node;
     58 	int		sc_bus;
     59 	int		sc_initialized;
     60 	int		sc_quirks;
     61 	int		sc_have_pmem;
     62 
     63 	struct ofw_pci_range		*sc_range;
     64 	int				sc_nrange;
     65 	uint64_t			sc_range_mask;
     66 	struct ofw_pci_cell_info	*sc_cell_info;
     67 
     68 	struct rman			sc_io_rman;
     69 	struct rman			sc_mem_rman;
     70 	struct rman			sc_pmem_rman;
     71 	bus_space_tag_t			sc_memt;
     72 	bus_dma_tag_t			sc_dmat;
     73 	int				sc_pci_domain;
     74 
     75 	struct ofw_bus_iinfo		sc_pci_iinfo;
     76 };
     77 
     78 int ofw_pcib_init(device_t);
     79 void ofw_pcib_fini(device_t);
     80 int ofw_pcib_attach(device_t);
     81 int ofw_pcib_read_ivar(device_t, device_t, int, uintptr_t *);
     82 int ofw_pcib_write_ivar(device_t, device_t, int, uintptr_t);
     83 int ofw_pcib_route_interrupt(device_t, device_t, int);
     84 int ofw_pcib_nranges(phandle_t, struct ofw_pci_cell_info *);
     85 
     86 #endif /* _DEV_OFW_OFWPCI_H_ */