1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/* $OpenBSD: tvrx.c,v 1.1 2006/04/14 21:05:43 miod Exp $ */
/*
* Copyright (c) 2006, Miodrag Vallat.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
/*
* Graphics routines for the TurboVRX frame buffer
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/ioctl.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <hp300/dev/dioreg.h>
#include <hp300/dev/diovar.h>
#include <hp300/dev/diodevs.h>
#include <dev/cons.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/rasops/rasops.h>
#include <hp300/dev/diofbreg.h>
#include <hp300/dev/diofbvar.h>
struct tvrx_softc {
struct device sc_dev;
struct diofb *sc_fb;
struct diofb sc_fb_store;
int sc_scode;
};
int tvrx_match(struct device *, void *, void *);
void tvrx_attach(struct device *, struct device *, void *);
struct cfattach tvrx_ca = {
sizeof(struct tvrx_softc), tvrx_match, tvrx_attach
};
struct cfdriver tvrx_cd = {
NULL, "tvrx", DV_DULL
};
int tvrx_reset(struct diofb *, int, struct diofbreg *);
int tvrx_ioctl(void *, u_long, caddr_t, int, struct proc *);
struct wsdisplay_accessops tvrx_accessops = {
tvrx_ioctl,
diofb_mmap,
diofb_alloc_screen,
diofb_free_screen,
diofb_show_screen,
NULL, /* load_font */
NULL, /* scrollback */
NULL, /* getchar */
NULL /* burner */
};
/*
* Attachment glue
*/
int
tvrx_match(struct device *parent, void *match, void *aux)
{
struct dio_attach_args *da = aux;
if (da->da_id != DIO_DEVICE_ID_FRAMEBUFFER ||
da->da_secid != DIO_DEVICE_SECID_TIGERSHARK)
return (0);
return (1);
}
void
tvrx_attach(struct device *parent, struct device *self, void *aux)
{
struct tvrx_softc *sc = (struct tvrx_softc *)self;
struct dio_attach_args *da = aux;
struct diofbreg *fbr;
sc->sc_scode = da->da_scode;
if (sc->sc_scode == conscode) {
fbr = (struct diofbreg *)conaddr; /* already mapped */
sc->sc_fb = &diofb_cn;
} else {
sc->sc_fb = &sc->sc_fb_store;
fbr = (struct diofbreg *)
iomap(dio_scodetopa(sc->sc_scode), da->da_size);
if (fbr == NULL ||
tvrx_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) {
printf(": can't map framebuffer\n");
return;
}
}
diofb_end_attach(sc, &tvrx_accessops, sc->sc_fb,
sc->sc_scode == conscode, NULL);
}
/*
* Initialize hardware and display routines.
*/
int
tvrx_reset(struct diofb *fb, int scode, struct diofbreg *fbr)
{
int rc;
if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0)
return (rc);
/*
* We rely on the PROM to initialize the frame buffer in the mode
* we expect it: cleared, overlay plane enabled and accessible
* at the beginning of the video memory.
*
* This is NOT the mode we would end up by simply resetting the
* board.
*/
fb->ri.ri_depth = 1;
fb->bmv = diofb_mono_windowmove;
diofb_fbsetup(fb);
return (0);
}
int
tvrx_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p)
{
struct diofb *fb = v;
struct wsdisplay_fbinfo *wdf;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_TVRX;
break;
case WSDISPLAYIO_SMODE:
fb->mapmode = *(u_int *)data;
break;
case WSDISPLAYIO_GINFO:
wdf = (void *)data;
wdf->width = fb->ri.ri_width;
wdf->height = fb->ri.ri_height;
wdf->depth = fb->ri.ri_depth;
wdf->cmsize = 0;
break;
case WSDISPLAYIO_LINEBYTES:
*(u_int *)data = fb->ri.ri_stride;
break;
case WSDISPLAYIO_GETCMAP:
case WSDISPLAYIO_PUTCMAP:
break; /* until color support is implemented */
case WSDISPLAYIO_GVIDEO:
case WSDISPLAYIO_SVIDEO:
/* unsupported */
return (-1);
default:
return (-1);
}
return (0);
}
/*
* Console support
*/
void
tvrxcninit()
{
tvrx_reset(&diofb_cn, conscode, (struct diofbreg *)conaddr);
diofb_cnattach(&diofb_cn);
}
|
