1 /* $NetBSD: grf_machdep.c,v 1.35 2022/05/26 14:33:29 tsutsui Exp $ */
2
3 /*
4 * Copyright (c) 1991 University of Utah.
5 * Copyright (c) 1990, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah $Hdr: grf_machdep.c 1.1 92/01/21
37 *
38 * @(#)grf_machdep.c 8.2 (Berkeley) 1/12/94
39 */
40
41 /*
42 * Graphics display driver for the HP300/400 DIO/DIO-II based machines.
43 * This is the hardware-dependent configuration portion of the driver.
44 */
45
46 #include <sys/cdefs.h>
47 __KERNEL_RCSID(0, "$NetBSD: grf_machdep.c,v 1.35 2022/05/26 14:33:29 tsutsui Exp $");
48
49 #include "locators.h"
50
51 #include <sys/param.h>
52 #include <sys/systm.h>
53 #include <sys/device.h>
54
55 #include <machine/autoconf.h>
56 #include <machine/grfioctl.h>
57 #include <x68k/dev/grfvar.h>
58 #include <x68k/x68k/iodevice.h>
59
60 #include "ioconf.h"
61
62 /* grfbus: is this necessary? */
63 int grfbusprint(void *, const char *);
64 int grfbusmatch(device_t, cfdata_t, void *);
65 void grfbusattach(device_t, device_t, void *);
66 int grfbussearch(device_t, cfdata_t, const int *, void *);
67
68 /* grf itself */
69 int grfmatch(device_t, cfdata_t, void *);
70 void grfattach(device_t, device_t, void *);
71 int grfprint(void *, const char *);
72
73 static int grfinit(struct grf_softc *, int);
74
75 CFATTACH_DECL_NEW(grfbus, 0,
76 grfbusmatch, grfbusattach, NULL, NULL);
77
78 CFATTACH_DECL_NEW(grf, sizeof(struct grf_softc),
79 grfmatch, grfattach, NULL, NULL);
80
81 int
grfbusmatch(device_t parent,cfdata_t cf,void * aux)82 grfbusmatch(device_t parent, cfdata_t cf, void *aux)
83 {
84 if (strcmp(aux, grfbus_cd.cd_name))
85 return (0);
86
87 return (1);
88 }
89
90 void
grfbusattach(device_t parent,device_t self,void * aux)91 grfbusattach(device_t parent, device_t self, void *aux)
92 {
93
94 aprint_normal("\n");
95 config_search(self, NULL,
96 CFARGS(.search = grfbussearch));
97 }
98
99 int
grfbussearch(device_t self,cfdata_t match,const int * ldesc,void * aux)100 grfbussearch(device_t self, cfdata_t match, const int *ldesc, void *aux)
101 {
102
103 config_found(self, &match->cf_loc[GRFBCF_ADDR], grfbusprint, CFARGS_NONE);
104 return (0);
105 }
106
107 int
grfbusprint(void * aux,const char * name)108 grfbusprint(void *aux, const char *name)
109 {
110
111 if (name == NULL)
112 return (UNCONF);
113 return (QUIET);
114 }
115
116 /*
117 * Normal init routine called by configure() code
118 */
119 int
grfmatch(device_t parent,cfdata_t cfp,void * aux)120 grfmatch(device_t parent, cfdata_t cfp, void *aux)
121 {
122 int addr;
123
124 addr = cfp->cf_loc[GRFBCF_ADDR];
125 if (addr < 0 || addr > ngrfsw)
126 return 0;
127
128 return 1;
129 }
130
131 struct grf_softc congrf;
132
133 void
grfattach(device_t parent,device_t self,void * aux)134 grfattach(device_t parent, device_t self, void *aux)
135 {
136 struct grf_softc *gp;
137 struct cfdata *cf;
138 int addr;
139
140 cf = device_cfdata(self);
141 addr = cf->cf_loc[GRFBCF_ADDR];
142
143 gp = device_private(self);
144 gp->g_device = self;
145 gp->g_cfaddr = addr;
146 grfinit(gp, addr);
147
148 aprint_normal(": %d x %d ",
149 gp->g_display.gd_dwidth, gp->g_display.gd_dheight);
150 if (gp->g_display.gd_colors == 2)
151 aprint_normal("monochrome");
152 else
153 aprint_normal("%d colors", gp->g_display.gd_colors);
154 aprint_normal(" %s display\n", gp->g_sw->gd_desc);
155
156 /*
157 * try and attach an ite
158 */
159 config_found(self, gp, grfprint, CFARGS_NONE);
160 }
161
162 int
grfprint(void * aux,const char * pnp)163 grfprint(void *aux, const char *pnp)
164 {
165
166 if (pnp)
167 aprint_normal("ite at %s", pnp);
168 return UNCONF;
169 }
170
171 int
grfinit(struct grf_softc * gp,int cfaddr)172 grfinit(struct grf_softc *gp, int cfaddr)
173 {
174 struct grfsw *gsw;
175 void *addr;
176
177 if (cfaddr == 0)
178 addr = (void *)__UNVOLATILE(IODEVbase->tvram);
179 else
180 addr = (void *)__UNVOLATILE(IODEVbase->gvram);
181
182 gsw = &grfsw[cfaddr];
183 if (gsw < &grfsw[ngrfsw] && (*gsw->gd_init)(gp, addr)) {
184 gp->g_sw = gsw;
185 gp->g_display.gd_id = gsw->gd_swid;
186 gp->g_flags = GF_ALIVE;
187 return 1;
188 }
189
190 return 0;
191 }
192
193 void
grf_config_console(void)194 grf_config_console(void)
195 {
196 grfinit(&congrf, 0);
197 }
198