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pci_machdep.h revision 1.2 
      1 /*	$NetBSD: pci_machdep.h,v 1.2 2002/05/15 17:09:05 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 Marcus Comstedt
      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  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Marcus Comstedt.
     18  * 4. Neither the name of The NetBSD Foundation nor the names of its
     19  *    contributors may be used to endorse or promote products derived
     20  *    from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     32  * POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 /*
     36  * Machine-specific definitions for PCI autoconfiguration.
     37  */
     38 
     39 /*
     40  * Types provided to machine-independent PCI code
     41  */
     42 typedef struct dreamcast_pci_chipset *pci_chipset_tag_t;
     43 typedef u_long  pcitag_t;
     44 typedef u_long  pci_intr_handle_t;
     45 
     46 /*
     47  * Forward declarations.
     48  */
     49 struct pci_attach_args;
     50 
     51 /*
     52  * dreamcast-specific PCI structure and type definitions.
     53  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
     54  */
     55 struct dreamcast_pci_chipset {
     56         void            *pc_conf_v;
     57         void            (*pc_attach_hook)(struct device *,
     58                             struct device *, struct pcibus_attach_args *);
     59         int             (*pc_bus_maxdevs)(void *, int);
     60         pcitag_t        (*pc_make_tag)(void *, int, int, int);
     61 	void		(*pc_decompose_tag)(void *, pcitag_t, int *,
     62 			    int *, int *);
     63         pcireg_t        (*pc_conf_read)(void *, pcitag_t, int);
     64         void            (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
     65 
     66 	void		*pc_intr_v;
     67 
     68   	int		(*pc_intr_map)(struct pci_attach_args *,
     69 			    pci_intr_handle_t *);
     70 	const char	*(*pc_intr_string)(void *, pci_intr_handle_t);
     71 	void		*(*pc_intr_establish)(void *, pci_intr_handle_t,
     72 			    int, int (*)(void *), void *);
     73 	void		(*pc_intr_disestablish)(void *, void *);
     74 };
     75 
     76 #define pci_attach_hook(p, s, pba)                                      \
     77     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
     78 #define pci_bus_maxdevs(c, b)                                           \
     79     (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
     80 #define pci_make_tag(c, b, d, f)                                        \
     81     (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
     82 #define	pci_decompose_tag(c, t, bp, dp, fp)				\
     83     (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
     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 
     89 #define	pci_intr_map(pa, ihp)						\
     90     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
     91 #define	pci_intr_string(c, ih)						\
     92     (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
     93 #define	pci_intr_establish(c, ih, l, h, a)				\
     94     (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a))
     95 #define	pci_intr_disestablish(c, ih)					\
     96     (*(c)->pc_intr_disestablish)((v)->pc_intr_v, (ih))
     97