grf_cc.c revision 1.12 1 /*
2 * $Id: grf_cc.c,v 1.12 1994/05/08 05:53:04 chopps Exp $
3 */
4
5 #include "grf.h"
6 #if NGRF > 0
7 /*
8 * currently this is a backward compat hack that interface to
9 * view.c
10 */
11
12 #include <sys/param.h>
13 #include <sys/errno.h>
14 #include <sys/ioctl.h>
15 #include <sys/queue.h>
16 #include <sys/device.h>
17 #include <vm/vm_param.h>
18 #include <machine/cpu.h>
19 #include <amiga/amiga/color.h> /* DEBUG */
20 #include <amiga/amiga/device.h>
21 #include <amiga/amiga/custom.h>
22 #include <amiga/amiga/cia.h>
23 #include <amiga/dev/grfioctl.h>
24 #include <amiga/dev/grfvar.h>
25 #include <amiga/dev/grf_ccreg.h>
26 #include <amiga/dev/grfabs_reg.h>
27 #include <amiga/dev/viewioctl.h>
28
29
30 int grfccmatch __P((struct device *, struct cfdata *, void *));
31 int grfccprint __P((void *, char *));
32 void grfccattach __P((struct device *, struct device *, void *));
33 void grf_cc_on __P((struct grf_softc *));
34
35 struct cfdriver grfcccd = {
36 NULL, "grfcc", grfccmatch, grfccattach,
37 DV_DULL, sizeof(struct grf_softc), NULL, 0 };
38
39 /*
40 * only used in console init
41 */
42 static struct cfdata *cfdata;
43
44 /*
45 * we make sure to only init things once. this is somewhat
46 * tricky regarding the console.
47 */
48 int
49 grfccmatch(pdp, cfp, auxp)
50 struct device *pdp;
51 struct cfdata *cfp;
52 void *auxp;
53 {
54 static int ccconunit = -1;
55 char *mainbus_name = auxp;
56
57 /*
58 * allow only one cc console
59 */
60 if (amiga_realconfig == 0 && ccconunit != -1)
61 return(0);
62 if (matchname("grfcc", mainbus_name) == 0)
63 return(0);
64 if (amiga_realconfig == 0 || ccconunit != cfp->cf_unit) {
65 if (grfcc_probe() == 0)
66 return(0);
67 viewprobe();
68 /*
69 * XXX nasty hack. opens view[0] and never closes.
70 */
71 if (viewopen(0, 0))
72 return(0);
73 if (amiga_realconfig == 0) {
74 ccconunit = cfp->cf_unit;
75 cfdata = cfp;
76 }
77 }
78 return(1);
79 }
80
81 /*
82 * attach to the grfbus (mainbus)
83 */
84 void
85 grfccattach(pdp, dp, auxp)
86 struct device *pdp, *dp;
87 void *auxp;
88 {
89 static struct grf_softc congrf;
90 static int coninited;
91 struct grf_softc *gp;
92
93 if (dp == NULL)
94 gp = &congrf;
95 else
96 gp = (struct grf_softc *)dp;
97
98 if (dp != NULL && congrf.g_regkva != 0) {
99 /*
100 * we inited earlier just copy the info
101 * take care not to copy the device struct though.
102 */
103 bcopy(&congrf.g_display, &gp->g_display,
104 (char *)&gp[1] - (char *)&gp->g_display);
105 } else {
106 gp->g_unit = GRF_CC_UNIT;
107 gp->g_mode = cc_mode;
108 gp->g_conpri = grfcc_cnprobe();
109 grfcc_iteinit(gp);
110 grf_cc_on(gp);
111 }
112 if (dp != NULL)
113 printf("\n");
114 /*
115 * attach grf
116 */
117 amiga_config_found(cfdata, &gp->g_device, gp, grfccprint);
118 }
119
120 int
121 grfccprint(auxp, pnp)
122 void *auxp;
123 char *pnp;
124 {
125 if (pnp)
126 printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit,
127 pnp);
128 return(UNCONF);
129 }
130
131 /*
132 * Change the mode of the display.
133 * Right now all we can do is grfon/grfoff.
134 * Return a UNIX error number or 0 for success.
135 */
136 /*ARGSUSED*/
137 int
138 cc_mode(gp, cmd, arg, a2, a3)
139 struct grf_softc *gp;
140 int cmd, a2, a3;
141 void *arg;
142 {
143 switch (cmd) {
144 case GM_GRFON:
145 grf_cc_on(gp);
146 return(0);
147 case GM_GRFOFF:
148 viewioctl(0, VIOCREMOVE, NULL, 0, -1);
149 return(0);
150 case GM_GRFCONFIG:
151 default:
152 break;
153 }
154 return(EINVAL);
155 }
156
157 void
158 grf_cc_on(gp)
159 struct grf_softc *gp;
160 {
161 struct view_size vs;
162 bmap_t bm;
163 struct grfinfo *gi;
164
165 gi = &gp->g_display;
166
167 viewioctl(0, VIOCGBMAP, &bm, 0, -1);
168
169 gp->g_data = (caddr_t) 0xDeadBeaf; /* not particularly clean.. */
170
171 gi->gd_regaddr = (caddr_t) 0xdff000; /* depricated */
172 gi->gd_regsize = round_page(sizeof (custom));
173 gi->gd_fbaddr = bm.hardware_address;
174 gi->gd_fbsize = bm.depth*bm.bytes_per_row*bm.rows;
175
176 if (viewioctl (0, VIOCGSIZE, &vs, 0, -1)) {
177 /* fill in some default values... XXX */
178 vs.width = 640;
179 vs.height = 400;
180 vs.depth = 2;
181 }
182 gi->gd_colors = 1 << vs.depth;
183 gi->gd_planes = vs.depth;
184
185 gi->gd_fbwidth = vs.width;
186 gi->gd_fbheight = vs.height;
187 gi->gd_fbx = 0;
188 gi->gd_fby = 0;
189 gi->gd_dwidth = vs.width;
190 gi->gd_dheight = vs.height;
191 gi->gd_dx = 0;
192 gi->gd_dy = 0;
193
194 gp->g_regkva = (void *)0xDeadBeaf; /* builtin */
195 gp->g_fbkva = NULL; /* not needed, view internal */
196
197 viewioctl(0, VIOCDISPLAY, NULL, 0, -1);
198 }
199 #endif
200
201