xref: /netbsd/sys/arch/x68k/dev/grf_machdep.c (revision 6550d01e)
1 /*	$NetBSD: grf_machdep.c,v 1.29 2009/01/17 10:02:23 isaki Exp $	*/
2 
3 /*
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * the Systems Programming Group of the University of Utah Computer
9  * Science Department.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * from: Utah $Hdr: grf_machdep.c 1.1 92/01/21
36  *
37  *	@(#)grf_machdep.c	8.2 (Berkeley) 1/12/94
38  */
39 /*
40  * Copyright (c) 1991 University of Utah.
41  *
42  * This code is derived from software contributed to Berkeley by
43  * the Systems Programming Group of the University of Utah Computer
44  * Science Department.
45  *
46  * Redistribution and use in source and binary forms, with or without
47  * modification, are permitted provided that the following conditions
48  * are met:
49  * 1. Redistributions of source code must retain the above copyright
50  *    notice, this list of conditions and the following disclaimer.
51  * 2. Redistributions in binary form must reproduce the above copyright
52  *    notice, this list of conditions and the following disclaimer in the
53  *    documentation and/or other materials provided with the distribution.
54  * 3. All advertising materials mentioning features or use of this software
55  *    must display the following acknowledgement:
56  *	This product includes software developed by the University of
57  *	California, Berkeley and its contributors.
58  * 4. Neither the name of the University nor the names of its contributors
59  *    may be used to endorse or promote products derived from this software
60  *    without specific prior written permission.
61  *
62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72  * SUCH DAMAGE.
73  *
74  * from: Utah $Hdr: grf_machdep.c 1.1 92/01/21
75  *
76  *	@(#)grf_machdep.c	8.2 (Berkeley) 1/12/94
77  */
78 
79 /*
80  * Graphics display driver for the HP300/400 DIO/DIO-II based machines.
81  * This is the hardware-dependent configuration portion of the driver.
82  */
83 
84 #include <sys/cdefs.h>
85 __KERNEL_RCSID(0, "$NetBSD: grf_machdep.c,v 1.29 2009/01/17 10:02:23 isaki Exp $");
86 
87 #include "locators.h"
88 
89 #include <sys/param.h>
90 #include <sys/systm.h>
91 #include <sys/device.h>
92 
93 #include <machine/autoconf.h>
94 #include <machine/grfioctl.h>
95 #include <x68k/dev/grfvar.h>
96 #include <x68k/x68k/iodevice.h>
97 
98 /* grfbus: is this necessary? */
99 int grfbusprint(void *auxp, const char *);
100 int grfbusmatch(device_t, cfdata_t, void *);
101 void grfbusattach(device_t, device_t, void *);
102 int grfbussearch(device_t, cfdata_t, const int *, void *);
103 
104 /* grf itself */
105 int grfmatch(device_t, cfdata_t, void *);
106 void grfattach(device_t, device_t, void *);
107 int grfprint(void *, const char *);
108 
109 static int grfinit(struct grf_softc *, int);
110 
111 CFATTACH_DECL_NEW(grfbus, 0,
112     grfbusmatch, grfbusattach, NULL, NULL);
113 
114 CFATTACH_DECL_NEW(grf, sizeof(struct grf_softc),
115     grfmatch, grfattach, NULL, NULL);
116 
117 extern struct cfdriver grfbus_cd;
118 
119 int
120 grfbusmatch(device_t pdp, cfdata_t cfp, void *auxp)
121 {
122 	if (strcmp(auxp, grfbus_cd.cd_name))
123 		return (0);
124 
125 	return (1);
126 }
127 
128 void
129 grfbusattach(device_t pdp, device_t dp, void *auxp)
130 {
131 
132 	aprint_normal("\n");
133 	config_search_ia(grfbussearch, dp, "grfb", NULL);
134 }
135 
136 int
137 grfbussearch(device_t dp, cfdata_t match, const int *ldesc, void *aux)
138 {
139 
140 	config_found(dp, &match->cf_loc[GRFBCF_ADDR], grfbusprint);
141 	return (0);
142 }
143 
144 int
145 grfbusprint(void *auxp, const char *name)
146 {
147 
148 	if (name == NULL)
149 		return (UNCONF);
150 	return (QUIET);
151 }
152 
153 /*
154  * Normal init routine called by configure() code
155  */
156 int
157 grfmatch(device_t parent, cfdata_t cfp, void *aux)
158 {
159 	int addr;
160 
161 	addr = cfp->cf_loc[GRFBCF_ADDR];
162 	if (addr < 0 || addr > ngrfsw)
163 		return 0;
164 
165 	return 1;
166 }
167 
168 struct grf_softc congrf;
169 
170 void
171 grfattach(device_t parent, device_t dp, void *aux)
172 {
173 	struct grf_softc *gp;
174 	struct cfdata *cf;
175 	int addr;
176 
177 	cf = device_cfdata(dp);
178 	addr = cf->cf_loc[GRFBCF_ADDR];
179 
180 	gp = device_private(dp);
181 	gp->g_device = dp;
182 	gp->g_cfaddr = addr;
183 	grfinit(gp, addr);
184 
185 	aprint_normal(": %d x %d ",
186 		gp->g_display.gd_dwidth, gp->g_display.gd_dheight);
187 	if (gp->g_display.gd_colors == 2)
188 		aprint_normal("monochrome");
189 	else
190 		aprint_normal("%d colors", gp->g_display.gd_colors);
191 	aprint_normal(" %s display\n", gp->g_sw->gd_desc);
192 
193 	/*
194 	 * try and attach an ite
195 	 */
196 	config_found(dp, gp, grfprint);
197 }
198 
199 int
200 grfprint(void *auxp, const char *pnp)
201 {
202 
203 	if (pnp)
204 		aprint_normal("ite at %s", pnp);
205 	return UNCONF;
206 }
207 
208 int
209 grfinit(struct grf_softc *gp, int cfaddr)
210 {
211 	struct grfsw *gsw;
212 	void *addr;
213 
214 	if (cfaddr == 0)
215 		addr = (void *)__UNVOLATILE(IODEVbase->tvram);
216 	else
217 		addr = (void *)__UNVOLATILE(IODEVbase->gvram);
218 
219 	gsw = &grfsw[cfaddr];
220 	if (gsw < &grfsw[ngrfsw] && (*gsw->gd_init)(gp, addr)) {
221 		gp->g_sw = gsw;
222 		gp->g_display.gd_id = gsw->gd_swid;
223 		gp->g_flags = GF_ALIVE;
224 		return 1;
225 	}
226 
227 	return 0;
228 }
229 
230 void
231 grf_config_console(void)
232 {
233 	grfinit(&congrf, 0);
234 }
235