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pci_machdep.h revision 1.3 
      1 /* $NetBSD: pci_machdep.h,v 1.3 1999/03/19 03:40:46 cgd Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1996 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  * Machine-specific definitions for PCI autoconfiguration.
     32  */
     33 
     34 /*
     35  * Types provided to machine-independent PCI code
     36  */
     37 typedef struct alpha_pci_chipset *pci_chipset_tag_t;
     38 typedef u_long pcitag_t;
     39 typedef u_long pci_intr_handle_t;
     40 
     41 /*
     42  * Forward declarations.
     43  */
     44 struct pci_attach_args;
     45 
     46 /*
     47  * alpha-specific PCI structure and type definitions.
     48  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
     49  */
     50 struct alpha_pci_chipset {
     51 	void		*pc_conf_v;
     52 	void		(*pc_attach_hook) __P((struct device *,
     53 			    struct device *, struct pcibus_attach_args *));
     54 	int		(*pc_bus_maxdevs) __P((void *, int));
     55 	pcitag_t	(*pc_make_tag) __P((void *, int, int, int));
     56 	pcireg_t	(*pc_conf_read) __P((void *, pcitag_t, int));
     57 	void		(*pc_conf_write) __P((void *, pcitag_t, int, pcireg_t));
     58 
     59 	void		*pc_intr_v;
     60 	int		(*pc_intr_map) __P((void *, pcitag_t, int, int,
     61 			    pci_intr_handle_t *));
     62 	const char	*(*pc_intr_string) __P((void *, pci_intr_handle_t));
     63 	void		*(*pc_intr_establish) __P((void *, pci_intr_handle_t,
     64 			    int, int (*)(void *), void *));
     65 	void		(*pc_intr_disestablish) __P((void *, void *));
     66 
     67 	/* alpha-specific */
     68 	void		(*pc_decompose_tag) __P((void *, pcitag_t, int *,
     69 			    int *, int *));
     70 	void		*(*pc_pciide_compat_intr_establish) __P((void *,
     71 			    struct device *, struct pci_attach_args *, int,
     72 			    int (*)(void *), void *));
     73 };
     74 
     75 /*
     76  * Functions provided to machine-independent PCI code.
     77  */
     78 #define	pci_attach_hook(p, s, pba)					\
     79     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
     80 #define	pci_bus_maxdevs(c, b)						\
     81     (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
     82 #define	pci_make_tag(c, b, d, f)					\
     83     (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
     84 #define	pci_conf_read(c, t, r)						\
     85     (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
     86 #define	pci_conf_write(c, t, r, v)					\
     87     (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
     88 #define	pci_intr_map(c, it, ip, il, ihp)				\
     89     (*(c)->pc_intr_map)((c)->pc_intr_v, (it), (ip), (il), (ihp))
     90 #define	pci_intr_string(c, ih)						\
     91     (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
     92 #define	pci_intr_establish(c, ih, l, h, a)				\
     93     (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a))
     94 #define	pci_intr_disestablish(c, iv)					\
     95     (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
     96 
     97 /*
     98  * alpha-specific PCI functions.
     99  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
    100  */
    101 void	pci_display_console __P((bus_space_tag_t, bus_space_tag_t,
    102 	    pci_chipset_tag_t, int, int, int));
    103 #define	alpha_pci_decompose_tag(c, t, bp, dp, fp)			\
    104     (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
    105 #define	alpha_pciide_compat_intr_establish(c, d, p, ch, f, a)		\
    106     ((c)->pc_pciide_compat_intr_establish == NULL ? NULL :		\
    107      (*(c)->pc_pciide_compat_intr_establish)((c)->pc_conf_v, (d), (p),	\
    108 	(ch), (f), (a)))
    109