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pci_machdep.h revision 1.1 
      1 /*	$NetBSD: pci_machdep.h,v 1.1 2001/06/13 07:32:47 enami Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 Enami Tsugutomo.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 /*
     30  * Machine-specific definitions for PCI autoconfiguration.
     31  */
     32 
     33 /*
     34  * We want to contro both device probe order.
     35  */
     36 #define	__PCI_BUS_DEVORDER
     37 
     38 /*
     39  * Types provided to machine-independent PCI code
     40  */
     41 typedef struct hpcmips_pci_chipset *pci_chipset_tag_t;
     42 typedef u_long pcitag_t;
     43 typedef u_long pci_intr_handle_t;
     44 
     45 /*
     46  * Forward declarations.
     47  */
     48 struct pci_attach_args;
     49 
     50 /*
     51  * hpcmips-specific PCI structure and type definitions.
     52  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
     53  */
     54 struct hpcmips_pci_chipset {
     55 	struct device *pc_dev;
     56 
     57 	void (*pc_attach_hook)(struct device *, struct device *,
     58 	    struct pcibus_attach_args *);
     59 	int (*pc_bus_maxdevs)(pci_chipset_tag_t, int);
     60 	int (*pc_bus_devorder)(pci_chipset_tag_t, int, char *);
     61 	pcitag_t (*pc_make_tag)(pci_chipset_tag_t, int, int, int);
     62 	void (*pc_decompose_tag)(pci_chipset_tag_t, pcitag_t, int *, int *,
     63 	    int *);
     64 	pcireg_t (*pc_conf_read)(pci_chipset_tag_t, pcitag_t, int);
     65 	void (*pc_conf_write)(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
     66 	int (*pc_intr_map)(struct pci_attach_args *, pci_intr_handle_t *);
     67 	const char *(*pc_intr_string)(pci_chipset_tag_t, pci_intr_handle_t);
     68 	const struct evcnt *(*pc_intr_evcnt)(pci_chipset_tag_t,
     69 	    pci_intr_handle_t);
     70 	void *(*pc_intr_establish)(pci_chipset_tag_t, pci_intr_handle_t, int,
     71 	    int (*)(void *), void *);
     72 	void (*pc_intr_disestablish)(pci_chipset_tag_t, void *);
     73 
     74 	/* hpcmips specific */
     75 	void *(*pc_vrcintr_establish)(pci_chipset_tag_t, int,
     76 	    int (*)(void *), void *);
     77 	void (*pc_vrcintr_disestablish)(pci_chipset_tag_t, void *);
     78 };
     79 
     80 /*
     81  * Functions provided to machine-independent PCI code.
     82  */
     83 #define	pci_attach_hook(p, s, pba)					\
     84     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
     85 #define	pci_bus_maxdevs(c, b)						\
     86     (*(c)->pc_bus_maxdevs)((c), (b))
     87 #ifdef __PCI_BUS_DEVORDER
     88 #define	pci_bus_devorder(c, b, d)					\
     89     (*(c)->pc_bus_devorder)((c), (b), (d))
     90 #endif
     91 #define	pci_make_tag(c, b, d, f)					\
     92     (*(c)->pc_make_tag)((c), (b), (d), (f))
     93 #define	pci_decompose_tag(c, t, bp, dp, fp)				\
     94     (*(c)->pc_decompose_tag)((c), (t), (bp), (dp), (fp))
     95 #define	pci_conf_read(c, t, r)						\
     96     (*(c)->pc_conf_read)((c), (t), (r))
     97 #define	pci_conf_write(c, t, r, v)					\
     98     (*(c)->pc_conf_write)((c), (t), (r), (v))
     99 #define	pci_intr_map(pa, ihp)						\
    100     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
    101 #define	pci_intr_string(c, ih)						\
    102     (*(c)->pc_intr_string)((c), (ih))
    103 #define	pci_intr_evcnt(c, ih)						\
    104     (*(c)->pc_intr_evcnt)((c), (ih))
    105 #define	pci_intr_establish(c, ih, l, h, a)				\
    106     (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a))
    107 #define	pci_intr_disestablish(c, iv)					\
    108     (*(c)->pc_intr_disestablish)((c), (iv))
    109 
    110 /* XXX */
    111 #define	pci_vrcintr_establish(c, p, func, arg)				\
    112     (*(c)->pc_vrcintr_establish)((c), (p), (func), (arg))
    113 #define	pci_vrcintr_disestablish(c, iv)					\
    114     (*(c)->pc_vrcintr_disestablish)((c), (iv))
    115