1 /* $NetBSD: hyper.c,v 1.3 2011/02/18 19:15:43 tsutsui Exp $ */
2 /* $OpenBSD: hyper.c,v 1.15 2006/04/14 21:05:43 miod Exp $ */
3
4 /*
5 * Copyright (c) 2005, Miodrag Vallat.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 *
29 */
30 /*-
31 * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
32 * All rights reserved.
33 *
34 * This code is derived from software contributed to The NetBSD Foundation
35 * by Jason R. Thorpe.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
47 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
48 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
49 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
50 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
56 * POSSIBILITY OF SUCH DAMAGE.
57 */
58
59 /*
60 * Copyright (c) 1991 University of Utah.
61 * Copyright (c) 1990, 1993
62 * The Regents of the University of California. All rights reserved.
63 *
64 * This code is derived from software contributed to Berkeley by
65 * the Systems Programming Group of the University of Utah Computer
66 * Science Department and Mark Davies of the Department of Computer
67 * Science, Victoria University of Wellington, New Zealand.
68 *
69 * Redistribution and use in source and binary forms, with or without
70 * modification, are permitted provided that the following conditions
71 * are met:
72 * 1. Redistributions of source code must retain the above copyright
73 * notice, this list of conditions and the following disclaimer.
74 * 2. Redistributions in binary form must reproduce the above copyright
75 * notice, this list of conditions and the following disclaimer in the
76 * documentation and/or other materials provided with the distribution.
77 * 3. Neither the name of the University nor the names of its contributors
78 * may be used to endorse or promote products derived from this software
79 * without specific prior written permission.
80 *
81 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
82 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
83 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
84 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
85 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
86 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
87 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
88 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
89 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
90 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
91 * SUCH DAMAGE.
92 *
93 * from: Utah $Hdr: grf_hy.c 1.2 93/08/13$
94 *
95 * @(#)grf_hy.c 8.4 (Berkeley) 1/12/94
96 */
97
98 /*
99 * Graphics routines for HYPERION frame buffer
100 */
101
102 #include <sys/param.h>
103 #include <sys/systm.h>
104 #include <sys/conf.h>
105 #include <sys/device.h>
106 #include <sys/ioctl.h>
107 #include <sys/proc.h>
108 #include <sys/bus.h>
109 #include <sys/cpu.h>
110
111 #include <machine/autoconf.h>
112
113 #include <hp300/dev/dioreg.h>
114 #include <hp300/dev/diovar.h>
115 #include <hp300/dev/diodevs.h>
116 #include <hp300/dev/intiovar.h>
117
118 #include <dev/wscons/wsconsio.h>
119 #include <dev/wscons/wsdisplayvar.h>
120 #include <dev/rasops/rasops.h>
121
122 #include <hp300/dev/diofbreg.h>
123 #include <hp300/dev/diofbvar.h>
124 #include <hp300/dev/hyperreg.h>
125
126 struct hyper_softc {
127 device_t sc_dev;
128 struct diofb *sc_fb;
129 struct diofb sc_fb_store;
130 int sc_scode;
131 };
132
133 static int hyper_match(device_t, cfdata_t, void *);
134 static void hyper_attach(device_t, device_t, void *);
135
136 CFATTACH_DECL_NEW(hyper, sizeof(struct hyper_softc),
137 hyper_match, hyper_attach, NULL, NULL);
138
139 static int hyper_reset(struct diofb *, int, struct diofbreg *);
140
141 static int hyper_ioctl(void *, void *, u_long, void *, int, struct lwp *);
142
143 static struct wsdisplay_accessops hyper_accessops = {
144 hyper_ioctl,
145 diofb_mmap,
146 diofb_alloc_screen,
147 diofb_free_screen,
148 diofb_show_screen,
149 NULL, /* load_font */
150 };
151
152 /*
153 * Attachment glue
154 */
155
156 int
hyper_match(device_t parent,cfdata_t cf,void * aux)157 hyper_match(device_t parent, cfdata_t cf, void *aux)
158 {
159 struct dio_attach_args *da = aux;
160
161 if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER &&
162 da->da_secid == DIO_DEVICE_SECID_HYPERION)
163 return 1;
164
165 return 0;
166 }
167
168 void
hyper_attach(device_t parent,device_t self,void * aux)169 hyper_attach(device_t parent, device_t self, void *aux)
170 {
171 struct hyper_softc *sc = device_private(self);
172 struct dio_attach_args *da = aux;
173 bus_space_handle_t bsh;
174 struct diofbreg *fbr;
175
176 sc->sc_dev = self;
177 sc->sc_scode = da->da_scode;
178 if (sc->sc_scode == conscode) {
179 fbr = (struct diofbreg *)conaddr; /* already mapped */
180 sc->sc_fb = &diofb_cn;
181 } else {
182 sc->sc_fb = &sc->sc_fb_store;
183 if (bus_space_map(da->da_bst, da->da_addr, da->da_size, 0,
184 &bsh)) {
185 aprint_error(": can't map framebuffer\n");
186 return;
187 }
188 fbr = bus_space_vaddr(da->da_bst, bsh);
189 if (hyper_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) {
190 aprint_error(": can't reset framebuffer\n");
191 return;
192 }
193 }
194
195 diofb_end_attach(self, &hyper_accessops, sc->sc_fb,
196 sc->sc_scode == conscode, NULL);
197 }
198
199 /*
200 * Initialize hardware and display routines.
201 */
202 int
hyper_reset(struct diofb * fb,int scode,struct diofbreg * fbr)203 hyper_reset(struct diofb *fb, int scode, struct diofbreg *fbr)
204 {
205 volatile struct hyboxfb *hy = (struct hyboxfb *)fbr;
206 int rc;
207
208 if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0)
209 return rc;
210
211 fb->bmv = diofb_mono_windowmove;
212
213 fb->ri.ri_depth = 1; /* do not fake a 8bpp frame buffer */
214 diofb_fbsetup(fb);
215
216 /* enable display */
217 hy->nblank = DISP_VIDEO_ENABLE | DISP_SYNC_ENABLE;
218
219 return 0;
220 }
221
222 int
hyper_ioctl(void * v,void * vs,u_long cmd,void * data,int flags,struct lwp * l)223 hyper_ioctl(void *v, void *vs, u_long cmd, void *data, int flags, struct lwp *l)
224 {
225 struct diofb *fb = v;
226 struct wsdisplay_fbinfo *wdf;
227
228 switch (cmd) {
229 case WSDISPLAYIO_GTYPE:
230 *(u_int *)data = WSDISPLAY_TYPE_HYPERION;
231 return 0;
232 case WSDISPLAYIO_SMODE:
233 fb->mapmode = *(u_int *)data;
234 return 0;
235 case WSDISPLAYIO_GINFO:
236 wdf = (void *)data;
237 wdf->width = fb->ri.ri_width;
238 wdf->height = fb->ri.ri_height;
239 wdf->depth = fb->ri.ri_depth;
240 wdf->cmsize = 0;
241 return 0;
242 case WSDISPLAYIO_LINEBYTES:
243 *(u_int *)data = fb->ri.ri_stride;
244 return 0;
245 case WSDISPLAYIO_GVIDEO:
246 case WSDISPLAYIO_SVIDEO:
247 return EPASSTHROUGH;
248 case WSDISPLAYIO_GETCMAP:
249 case WSDISPLAYIO_PUTCMAP:
250 return EPASSTHROUGH;
251 }
252
253 return EPASSTHROUGH;
254 }
255
256 /*
257 * Hyperion console support
258 */
259
260 int
hypercnattach(bus_space_tag_t bst,bus_addr_t addr,int scode)261 hypercnattach(bus_space_tag_t bst, bus_addr_t addr, int scode)
262 {
263 bus_space_handle_t bsh;
264 void *va;
265 struct diofbreg *fbr;
266 struct diofb *fb = &diofb_cn;
267 int size;
268
269 if (bus_space_map(bst, addr, PAGE_SIZE, 0, &bsh))
270 return 1;
271 va = bus_space_vaddr(bst, bsh);
272 fbr = va;
273
274 if (badaddr(va) ||
275 (fbr->id != GRFHWID) || (fbr->fbid != GID_HYPERION)) {
276 bus_space_unmap(bst, bsh, PAGE_SIZE);
277 return 1;
278 }
279
280 size = DIO_SIZE(scode, va);
281
282 bus_space_unmap(bst, bsh, PAGE_SIZE);
283 if (bus_space_map(bst, addr, size, 0, &bsh))
284 return 1;
285 va = bus_space_vaddr(bst, bsh);
286
287 /*
288 * Initialize the framebuffer hardware.
289 */
290 conscode = scode;
291 conaddr = va;
292 hyper_reset(fb, conscode, (struct diofbreg *)conaddr);
293
294 /*
295 * Initialize the terminal emulator.
296 */
297 diofb_cnattach(fb);
298 return 0;
299 }
300