xref: /netbsd-src/sys/arch/sparc64/dev/ffb_mainbus.c (revision eb7c1594f145c931049e1fd9eb056a5987e87e59)
1 /*	$NetBSD: ffb_mainbus.c,v 1.2 2003/07/15 03:36:05 lukem Exp $	*/
2 /*	$OpenBSD: creator_mainbus.c,v 1.4 2002/07/26 16:39:04 jason Exp $	*/
3 
4 /*
5  * Copyright (c) 2002 Jason L. Wright (jason@thought.net),
6  *  Federico G. Schwindt (fgsch@openbsd.org)
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed by Jason L. Wright
20  * 4. The name of the author may not be used to endorse or promote products
21  *    derived from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: ffb_mainbus.c,v 1.2 2003/07/15 03:36:05 lukem Exp $");
38 
39 #include <sys/types.h>
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/device.h>
44 
45 #include <machine/bus.h>
46 #include <machine/autoconf.h>
47 #include <machine/openfirm.h>
48 
49 #include <dev/wscons/wsconsio.h>
50 #include <dev/wscons/wsdisplayvar.h>
51 #include <dev/wscons/wscons_raster.h>
52 #include <dev/rasops/rasops.h>
53 
54 #include <sparc64/dev/ffbreg.h>
55 #include <sparc64/dev/ffbvar.h>
56 
57 int	ffb_mainbus_match(struct device *, struct cfdata *, void *);
58 void	ffb_mainbus_attach(struct device *, struct device *, void *);
59 
60 CFATTACH_DECL(ffb_mainbus, sizeof(struct ffb_softc),
61 	      ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL);
62 
63 int
64 ffb_mainbus_match(parent, match, aux)
65 	struct device *parent;
66 	struct cfdata *match;
67 	void *aux;
68 {
69 	struct mainbus_attach_args *ma = aux;
70 
71 	if (strcmp(ma->ma_name, "SUNW,ffb") == 0 ||
72 	    strcmp(ma->ma_name, "SUNW,afb") == 0)
73 		return (1);
74 	return (0);
75 }
76 
77 void
78 ffb_mainbus_attach(parent, self, aux)
79 	struct device *parent, *self;
80 	void *aux;
81 {
82 	struct ffb_softc *sc = (struct ffb_softc *)self;
83 	struct mainbus_attach_args *ma = aux;
84 	extern int fbnode;
85 	int i, nregs;
86 
87 	sc->sc_bt = ma->ma_bustag;
88 
89 	nregs = min(ma->ma_nreg, FFB_NREGS);
90 
91 	if (nregs < FFB_REG_DFB24) {
92 		printf(": no dfb24 regs found\n");
93 		goto fail1;
94 	}
95 
96 	if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DFB24].ur_paddr,
97 	    ma->ma_reg[FFB_REG_DFB24].ur_len, BUS_SPACE_MAP_LINEAR,
98 	    &sc->sc_pixel_h)) {
99 		printf(": failed to map dfb24\n");
100 		goto fail1;
101 	}
102 
103 	if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr,
104 	    ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) {
105 		printf(": failed to map fbc\n");
106 		goto fail;
107 	}
108 
109 	for (i = 0; i < nregs; i++) {
110 		sc->sc_addrs[i] = ma->ma_reg[i].ur_paddr;
111 		sc->sc_sizes[i] = ma->ma_reg[i].ur_len;
112 	}
113 	sc->sc_nreg = nregs;
114 
115 	sc->sc_console = (fbnode == ma->ma_node);
116 	sc->sc_node = ma->ma_node;
117 
118 	if (strcmp(ma->ma_name, "SUNW,afb") == 0)
119 		sc->sc_type = FFB_AFB;
120 
121 	ffb_attach(sc);
122 
123 	return;
124 
125 fail:
126 #if 0
127 	if (sc->sc_fbc_h != 0)
128 		bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
129 		    ma->ma_reg[FFB_REG_FBC].ur_len);
130 #endif
131 /*	if (sc->sc_pixel_h != 0) */
132 		bus_space_unmap(sc->sc_bt, sc->sc_pixel_h,
133 		    ma->ma_reg[FFB_REG_DFB24].ur_len);
134 fail1:
135 	return;
136 }
137