xref: /netbsd/sys/arch/cobalt/include/pci_machdep.h (revision 6550d01e)
1 /*	$NetBSD: pci_machdep.h,v 1.10 2006/04/15 11:33:33 tsutsui Exp $	*/
2 
3 /*
4  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
5  * Copyright (c) 1994 Charles M. Hannum.  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 Charles M. Hannum.
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  * Machine-specific definitions for PCI autoconfiguration.
35  */
36 #define	__HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
37 #define	__HAVE_PCI_CONF_HOOK
38 
39 /*
40  * Forward declarations.
41  */
42 struct pci_attach_args;
43 
44 /*
45  * Cobalt-specific PCI structure and type definitions.
46  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
47  */
48 
49 extern struct cobalt_bus_dma_tag pci_bus_dma_tag;
50 
51 /*
52  * Types provided to machine-independent PCI code
53  */
54 typedef struct cobalt_pci_chipset *pci_chipset_tag_t;
55 typedef uint32_t	pcitag_t;
56 typedef int 		pci_intr_handle_t;
57 
58 struct cobalt_pci_chipset {
59 	bus_space_tag_t pc_bst;		/* bus space tag for PCICFG regs */
60 	bus_space_handle_t pc_bsh;	/* bus space handle for PCICFG regs */
61 
62 	struct extent *pc_memext;	/* PCI memory extent */
63 	struct extent *pc_ioext;	/* PCI I/O extent */
64 };
65 
66 /*
67  * Functions provided to machine-independent PCI code.
68  */
69 void		pci_attach_hook(struct device *, struct device *,
70 			struct pcibus_attach_args *);
71 int		pci_bus_maxdevs(pci_chipset_tag_t, int);
72 pcitag_t	pci_make_tag(pci_chipset_tag_t, int, int, int);
73 void		pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
74 			int *, int *, int *);
75 pcireg_t	pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
76 void		pci_conf_write(pci_chipset_tag_t, pcitag_t, int,
77 			pcireg_t);
78 int		pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
79 const char	*pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t);
80 const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
81 void		*pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
82 			int, int (*)(void *), void *);
83 void		pci_intr_disestablish(pci_chipset_tag_t, void *);
84 void		pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int,
85 			int *);
86 int		pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t);
87