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pucvar.h revision 1.5 
      1 /*	$NetBSD: pucvar.h,v 1.5 2004/01/25 11:57:52 jdolecek Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998, 1999 Christopher G. Demetriou.  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 by Christopher G. Demetriou
     17  *	for the NetBSD Project.
     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 /*
     34  * Exported (or conveniently located) PCI "universal" communications card
     35  * software structures.
     36  *
     37  * Author: Christopher G. Demetriou, May 14, 1998.
     38  */
     39 
     40 #define	PUC_MAX_PORTS		8
     41 
     42 struct puc_device_description {
     43 	const char		*name;
     44 	pcireg_t		rval[4];
     45 	pcireg_t		rmask[4];
     46 	struct {
     47 		int	type;
     48 		int	bar;
     49 		int	offset;
     50 		int	flags;
     51 	}			ports[PUC_MAX_PORTS];
     52 };
     53 
     54 #define	PUC_REG_VEND		0
     55 #define	PUC_REG_PROD		1
     56 #define	PUC_REG_SVEND		2
     57 #define	PUC_REG_SPROD		3
     58 
     59 #define	PUC_PORT_TYPE_NONE	0
     60 #define	PUC_PORT_TYPE_COM	1
     61 #define	PUC_PORT_TYPE_LPT	2
     62 
     63 #define	PUC_PORT_VALID(desc, port) \
     64   ((port) < PUC_MAX_PORTS && (desc)->ports[(port)].type != PUC_PORT_TYPE_NONE)
     65 #define PUC_PORT_BAR_INDEX(bar)	(((bar) - PCI_MAPREG_START) / 4)
     66 
     67 /* Flags for PUC_PORT_TYPE_COM */
     68 /* * assume all clock rates have 8 lower bits to 0 - this leaves us 8 flags */
     69 #define PUC_COM_CLOCKMASK 0xffffff00
     70 
     71 /* Flags for PUC_PORT_TYPE_LPT */
     72 /* none currently */
     73 
     74 struct puc_attach_args {
     75 	int			port;
     76 	int			type;
     77 	int			flags;
     78 
     79 	pci_chipset_tag_t	pc;
     80 	pci_intr_handle_t	intrhandle;
     81 
     82 	bus_addr_t		a;
     83 	bus_space_tag_t		t;
     84 	bus_space_handle_t	h;
     85 	bus_dma_tag_t		dmat;
     86 	bus_dma_tag_t		dmat64;
     87 };
     88 
     89 extern const struct puc_device_description puc_devices[];
     90 extern const struct puc_device_description *
     91 	puc_find_description __P((pcireg_t, pcireg_t, pcireg_t, pcireg_t));
     92