1/*	$NetBSD: ffb_mainbus.c,v 1.12 2011/10/31 08:28:46 jdc 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 1.12 2011/10/31 08:28:46 jdc 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 <sys/bus.h>
46#include <machine/autoconf.h>
47#include <machine/openfirm.h>
48
49#include <dev/wscons/wsconsio.h>
50#include <dev/sun/fbio.h>
51#include <dev/sun/fbvar.h>
52
53#include <sparc64/dev/ffbreg.h>
54#include <sparc64/dev/ffbvar.h>
55
56extern int prom_stdout_node;
57
58int	ffb_mainbus_match(device_t, cfdata_t, void *);
59void	ffb_mainbus_attach(device_t, device_t, void *);
60
61CFATTACH_DECL_NEW(ffb_mainbus, sizeof(struct ffb_softc),
62    ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL);
63
64int
65ffb_mainbus_match(device_t parent, cfdata_t match, void *aux)
66{
67	struct mainbus_attach_args *ma = aux;
68
69	if (strcmp(ma->ma_name, "SUNW,ffb") == 0 ||
70	    strcmp(ma->ma_name, "SUNW,afb") == 0)
71		return 1;
72	return 0;
73}
74
75void
76ffb_mainbus_attach(device_t parent, device_t self, void *aux)
77{
78	struct ffb_softc *sc = device_private(self);
79	struct mainbus_attach_args *ma = aux;
80	int i, nregs;
81
82	sc->sc_dev = self;
83	sc->sc_bt = ma->ma_bustag;
84
85	nregs = min(ma->ma_nreg, FFB_NREGS);
86
87	if (nregs < FFB_REG_DFB24) {
88		printf(": no dfb24 regs found\n");
89		goto fail1;
90	}
91
92
93	if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr,
94	    ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) {
95		printf(": failed to map fbc\n");
96		goto fail1;
97	}
98
99	if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DAC].ur_paddr,
100	    ma->ma_reg[FFB_REG_DAC].ur_len, 0, &sc->sc_dac_h)) {
101		printf(": failed to map dac\n");
102		goto unmap_fbc;
103	}
104
105	if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_SFB32].ur_paddr,
106	    ma->ma_reg[FFB_REG_SFB32].ur_len, BUS_SPACE_MAP_LINEAR,
107	    &sc->sc_sfb32_h)) {
108		panic(": failed to map SFB32\n");
109		goto unmap_dac;
110	}
111	sc->sc_sfb32 = bus_space_vaddr(sc->sc_bt, sc->sc_sfb32_h);
112
113	for (i = 0; i < nregs; i++) {
114		sc->sc_addrs[i] = ma->ma_reg[i].ur_paddr;
115		sc->sc_sizes[i] = ma->ma_reg[i].ur_len;
116	}
117	sc->sc_nreg = nregs;
118
119	sc->sc_console = (prom_stdout_node == ma->ma_node);
120	sc->sc_node = ma->ma_node;
121
122	if (strcmp(ma->ma_name, "SUNW,afb") == 0)
123		sc->sc_type = FFB_AFB;
124
125	ffb_attach(self);
126
127	return;
128
129unmap_dac:
130	bus_space_unmap(sc->sc_bt, sc->sc_dac_h,
131		    ma->ma_reg[FFB_REG_DAC].ur_len);
132
133unmap_fbc:
134	bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
135		    ma->ma_reg[FFB_REG_FBC].ur_len);
136fail1:
137	return;
138}
139