Annotation of src/sys/dev/sbus/cgsix_sbus.c, Revision 1.3.2.5
1.3.2.4 nathanw 1: /* $NetBSD$ */
1.1 pk 2:
3: /*-
4: * Copyright (c) 1998 The NetBSD Foundation, Inc.
5: * All rights reserved.
6: *
7: * This code is derived from software contributed to The NetBSD Foundation
8: * by Paul Kranenburg.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the NetBSD
21: * Foundation, Inc. and its contributors.
22: * 4. Neither the name of The NetBSD Foundation nor the names of its
23: * contributors may be used to endorse or promote products derived
24: * from this software without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: * POSSIBILITY OF SUCH DAMAGE.
37: */
38:
39: /*
40: * color display (cgsix) driver; Sbus bus front-end.
41: */
1.3.2.3 nathanw 42:
43: #include <sys/cdefs.h>
44: __KERNEL_RCSID(0, "$NetBSD$");
1.1 pk 45:
46: #include <sys/param.h>
47: #include <sys/systm.h>
48: #include <sys/buf.h>
49: #include <sys/device.h>
50: #include <sys/ioctl.h>
51: #include <sys/malloc.h>
52: #include <sys/mman.h>
53: #include <sys/tty.h>
54: #include <sys/conf.h>
55:
56: #ifdef DEBUG
57: #include <sys/proc.h>
58: #include <sys/syslog.h>
59: #endif
60:
61: #include <machine/bus.h>
62: #include <machine/autoconf.h>
63:
64: #include <dev/sbus/sbusvar.h>
65:
66: #include <dev/sun/fbio.h>
67: #include <dev/sun/fbvar.h>
68: #include <dev/sun/btreg.h>
69: #include <dev/sun/btvar.h>
70: #include <dev/sun/cgsixreg.h>
71: #include <dev/sun/cgsixvar.h>
72:
73: /* autoconfiguration driver */
74: static int cgsixmatch __P((struct device *, struct cfdata *, void *));
75: static void cgsixattach __P((struct device *, struct device *, void *));
76:
1.2 pk 77: /* Allocate an `sbusdev' in addition to the cgsix softc */
1.1 pk 78: struct cgsix_sbus_softc {
79: struct cgsix_softc bss_softc;
80: struct sbusdev bss_sd;
81: };
82:
1.3.2.5 ! nathanw 83: CFATTACH_DECL(cgsix_sbus, sizeof(struct cgsix_sbus_softc),
! 84: cgsixmatch, cgsixattach, NULL, NULL);
1.1 pk 85:
86: /*
87: * Match a cgsix.
88: */
89: int
90: cgsixmatch(parent, cf, aux)
91: struct device *parent;
92: struct cfdata *cf;
93: void *aux;
94: {
95: struct sbus_attach_args *sa = aux;
96:
1.3.2.5 ! nathanw 97: return (strcmp(cf->cf_name, sa->sa_name) == 0);
1.1 pk 98: }
99:
100:
101: /*
102: * Attach a cgsix.
103: */
104: void
105: cgsixattach(parent, self, aux)
106: struct device *parent, *self;
107: void *aux;
108: {
109: struct cgsix_softc *sc = (struct cgsix_softc *)self;
110: struct sbusdev *sd = &((struct cgsix_sbus_softc *)self)->bss_sd;
111: struct sbus_attach_args *sa = aux;
112: struct fbdevice *fb = &sc->sc_fb;
113: int node, isconsole;
114: char *name;
115: bus_space_handle_t bh;
116:
117: /* Remember cookies for cgsix_mmap() */
118: sc->sc_bustag = sa->sa_bustag;
1.3.2.1 nathanw 119: sc->sc_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_slot, sa->sa_offset);
1.1 pk 120:
121: node = sa->sa_node;
122:
123: fb->fb_device = &sc->sc_dev;
124: fb->fb_type.fb_type = FBTYPE_SUNFAST_COLOR;
125: fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags & FB_USERMASK;
126: fb->fb_type.fb_depth = 8;
127:
128: fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node);
129:
130: /*
131: * Dunno what the PROM has mapped, though obviously it must have
132: * the video RAM mapped. Just map what we care about for ourselves
133: * (the FHC, THC, and Brooktree registers).
134: */
1.3.2.4 nathanw 135: if (sbus_bus_map(sa->sa_bustag,
136: sa->sa_slot,
1.1 pk 137: sa->sa_offset + CGSIX_BT_OFFSET,
138: sizeof(*sc->sc_bt),
1.3.2.4 nathanw 139: BUS_SPACE_MAP_LINEAR, &bh) != 0) {
1.1 pk 140: printf("%s: cannot map brooktree registers\n", self->dv_xname);
141: return;
142: }
1.3.2.4 nathanw 143: sc->sc_bt = (struct bt_regs *)bus_space_vaddr(sa->sa_bustag, bh);
1.1 pk 144:
1.3.2.4 nathanw 145: if (sbus_bus_map(sa->sa_bustag,
146: sa->sa_slot,
1.1 pk 147: sa->sa_offset + CGSIX_FHC_OFFSET,
148: sizeof(*sc->sc_fhc),
1.3.2.4 nathanw 149: BUS_SPACE_MAP_LINEAR, &bh) != 0) {
1.1 pk 150: printf("%s: cannot map FHC registers\n", self->dv_xname);
151: return;
152: }
1.3.2.4 nathanw 153: sc->sc_fhc = (int *)bus_space_vaddr(sa->sa_bustag, bh);
1.1 pk 154:
1.3.2.4 nathanw 155: if (sbus_bus_map(sa->sa_bustag,
156: sa->sa_slot,
1.1 pk 157: sa->sa_offset + CGSIX_THC_OFFSET,
158: sizeof(*sc->sc_thc),
1.3.2.4 nathanw 159: BUS_SPACE_MAP_LINEAR, &bh) != 0) {
1.1 pk 160: printf("%s: cannot map THC registers\n", self->dv_xname);
161: return;
162: }
1.3.2.4 nathanw 163: sc->sc_thc = (struct cg6_thc *)bus_space_vaddr(sa->sa_bustag, bh);
1.1 pk 164:
1.3.2.4 nathanw 165: if (sbus_bus_map(sa->sa_bustag,
166: sa->sa_slot,
1.1 pk 167: sa->sa_offset + CGSIX_TEC_OFFSET,
168: sizeof(*sc->sc_tec),
1.3.2.4 nathanw 169: BUS_SPACE_MAP_LINEAR, &bh) != 0) {
1.1 pk 170: printf("%s: cannot map TEC registers\n", self->dv_xname);
171: return;
172: }
1.3.2.4 nathanw 173: sc->sc_tec = (struct cg6_tec_xxx *)bus_space_vaddr(sa->sa_bustag, bh);
1.1 pk 174:
1.3.2.4 nathanw 175: if (sbus_bus_map(sa->sa_bustag,
176: sa->sa_slot,
1.1 pk 177: sa->sa_offset + CGSIX_FBC_OFFSET,
178: sizeof(*sc->sc_fbc),
1.3.2.4 nathanw 179: BUS_SPACE_MAP_LINEAR, &bh) != 0) {
1.1 pk 180: printf("%s: cannot map FBC registers\n", self->dv_xname);
181: return;
182: }
1.3.2.4 nathanw 183: sc->sc_fbc = (struct cg6_fbc *)bus_space_vaddr(sa->sa_bustag, bh);
1.1 pk 184:
185: sbus_establish(sd, &sc->sc_dev);
1.3.2.2 nathanw 186: name = PROM_getpropstring(node, "model");
1.1 pk 187:
188: isconsole = fb_is_console(node);
189: if (isconsole && cgsix_use_rasterconsole) {
190: int ramsize = fb->fb_type.fb_height * fb->fb_linebytes;
1.3.2.4 nathanw 191: if (sbus_bus_map(sa->sa_bustag,
192: sa->sa_slot,
1.1 pk 193: sa->sa_offset + CGSIX_RAM_OFFSET,
194: ramsize,
1.3.2.4 nathanw 195: BUS_SPACE_MAP_LINEAR, &bh) != 0) {
1.1 pk 196: printf("%s: cannot map pixels\n", self->dv_xname);
197: return;
198: }
1.3.2.4 nathanw 199: sc->sc_fb.fb_pixels = (caddr_t)bus_space_vaddr(sa->sa_bustag,
200: bh);
1.1 pk 201: }
202:
203: cg6attach(sc, name, isconsole);
204: }
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