1 /*	$NetBSD: pci_machdep.h,v 1.3 2002/05/15 19:23:53 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 
98 #define	pci_enumerate_bus(sc, m, p)					\
99 	pci_enumerate_bus_generic((sc), (m), (p))
100