xref: /netbsd/sys/arch/sparc64/dev/psychovar.h (revision c4a72b64)
1 /*	$NetBSD: psychovar.h,v 1.8 2002/06/20 18:26:24 eeh Exp $	*/
2 
3 /*
4  * Copyright (c) 1999, 2000 Matthew R. Green
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. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #ifndef _SPARC64_DEV_PSYCHOVAR_H_
32 #define _SPARC64_DEV_PSYCHOVAR_H_
33 
34 /* per real PCI bus info */
35 struct psycho_softc;
36 
37 struct psycho_pbm {
38 	/* link to mum */
39 	struct psycho_softc		*pp_sc;
40 
41 	/*
42 	 * note that the sabre really only has one ranges property,
43 	 * used for both simba a and simba b (but the ranges for
44 	 * real psychos are the same for PCI A and PCI B anyway).
45 	 */
46 	struct psycho_registers		*pp_regs;
47 	struct psycho_ranges		*pp_range;
48 
49 	/* counts of above */
50 	int				pp_nregs;
51 	int				pp_nrange;
52 	int				pp_nintmap;
53 
54 	/* chipset tag for this instance */
55 	pci_chipset_tag_t		pp_pc;
56 
57 	/* our tags */
58 	bus_space_tag_t			pp_memt;
59 	bus_space_tag_t			pp_iot;
60 	bus_dma_tag_t			pp_dmat;
61 	int				pp_bus;
62 	int				pp_flags;
63 
64 	/* and pointers into the psycho regs for our bits */
65 	bus_space_handle_t		pp_pcictl;
66 	struct strbuf_ctl		pp_sb;
67 	/* area we can use for flushing our streaming buffer */
68 	char				pp_flush[0x80];
69 };
70 
71 /*
72  * per-PCI bus on mainbus softc structure; one for sabre, or two
73  * per pair of psycho's.
74  */
75 struct psycho_softc {
76 	struct	device			sc_dev;
77 
78 	/*
79 	 * one sabre has two simba's.  psycho's are separately attached,
80 	 * with the `other' psycho_pbm allocated at the first's attach.
81 	 */
82 	struct psycho_pbm		*__sc_psycho_this;
83 	struct psycho_pbm		*__sc_psycho_other;
84 #define	sc_psycho_this	__sc_psycho_this
85 #define	sc_psycho_other	__sc_psycho_other
86 
87 	/*
88 	 * PSYCHO register.  we record the base physical address of these
89 	 * also as it is the base of the entire PSYCHO
90 	 */
91 	struct psychoreg		*sc_regs;
92 	paddr_t				sc_basepaddr;
93 
94 	/* Interrupt Group Number for this device */
95 	int				sc_ign;
96 
97 	/* our tags (from parent) */
98 	bus_space_tag_t			sc_bustag;
99 	bus_dma_tag_t			sc_dmatag;
100 
101 	bus_space_handle_t		sc_bh;
102 
103 	/* config space */
104 	bus_space_tag_t			sc_configtag;
105 	bus_space_handle_t		sc_configaddr;
106 
107 	int				sc_clockfreq;
108 	int				sc_node;	/* prom node */
109 	int				sc_mode;	/* (whatareya?) */
110 #define	PSYCHO_MODE_SABRE	1	/* i'm a sabre (yob) */
111 #define	PSYCHO_MODE_PSYCHO	2	/* i'm a psycho (w*nker) */
112 
113 	struct iommu_state		*sc_is;
114 };
115 
116 /* config space is per-psycho.  mem/io/dma are per-pci bus */
117 bus_dma_tag_t psycho_alloc_dma_tag __P((struct psycho_pbm *));
118 bus_space_tag_t psycho_alloc_bus_tag __P((struct psycho_pbm *, int));
119 
120 #define psycho_alloc_config_tag(pp) psycho_alloc_bus_tag((pp), PCI_CONFIG_BUS_SPACE)
121 #define psycho_alloc_mem_tag(pp) psycho_alloc_bus_tag((pp), PCI_MEMORY_BUS_SPACE)
122 #define psycho_alloc_io_tag(pp) psycho_alloc_bus_tag((pp), PCI_IO_BUS_SPACE)
123 
124 #endif /* _SPARC64_DEV_PSYCHOVAR_H_ */
125