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ioasicvar.h revision 1.8 
      1 /*	$NetBSD: ioasicvar.h,v 1.8 1999/03/28 17:47:28 drochner Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 /*
     31  * IOASIC subdevice attachment information.
     32  */
     33 
     34 /* motherboard-specific autoconfiguration tables of ioasic child devices. */
     35 struct ioasic_dev {
     36 	char		*iad_modname;
     37 	tc_offset_t	iad_offset;
     38 	void		*iad_cookie;
     39 	u_int32_t	iad_intrbits;
     40 };
     41 
     42 /* Attachment arguments. */
     43 struct ioasicdev_attach_args {
     44 	char	iada_modname[TC_ROM_LLEN];
     45 	tc_offset_t iada_offset;
     46 	tc_addr_t iada_addr;
     47 	void	*iada_cookie;
     48 };
     49 
     50 /* Device locators. */
     51 #include "locators.h"
     52 #define	ioasiccf_offset	cf_loc[IOASICCF_OFFSET]		/* offset */
     53 
     54 #define	IOASIC_OFFSET_UNKNOWN	IOASICCF_OFFSET_DEFAULT
     55 
     56 struct ioasic_softc {
     57 	struct	device sc_dv;
     58 
     59 	tc_addr_t sc_base;
     60 	void	*sc_cookie;
     61 
     62 	bus_space_tag_t sc_bst;
     63 	bus_space_handle_t sc_bsh;
     64 	bus_dma_tag_t sc_dmat;
     65 	bus_dmamap_t sc_lance_dmam;
     66 };
     67 
     68 extern struct cfdriver ioasic_cd;
     69 
     70 /*
     71  * XXX Some drivers need direct access to IOASIC registers.
     72  */
     73 extern tc_addr_t ioasic_base;
     74 
     75 
     76 /*
     77  * Interrupt establishment/disestablishment functions
     78  */
     79 void    ioasic_intr_establish __P((struct device *, void *, tc_intrlevel_t,
     80 	    int (*)(void *), void *));
     81 void    ioasic_intr_disestablish __P((struct device *, void *));
     82 
     83 
     84 /*
     85  * Miscellaneous helper functions.
     86  */
     87 int	ioasicprint __P((void *, const char *));
     88 int	ioasic_submatch __P((struct cfdata *, struct ioasicdev_attach_args *));
     89 char	*ioasic_lance_ether_address __P((void));
     90 void	ioasic_attach_devs __P((struct ioasic_softc *sc,
     91 	    struct ioasic_dev *ioasic_devs, int ioasic_ndevs));
     92 
     93 #ifndef alpha
     94 void	ioasic_lance_dma_setup __P((void *));
     95 #endif
     96