1/*	$NetBSD: hyper.c,v 1.2 2011/02/12 16:40:29 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
126struct	hyper_softc {
127	device_t		sc_dev;
128	struct diofb		*sc_fb;
129	struct diofb		sc_fb_store;
130	int			sc_scode;
131};
132
133static int	hyper_match(device_t, cfdata_t, void *);
134static void	hyper_attach(device_t, device_t, void *);
135
136CFATTACH_DECL_NEW(hyper, sizeof(struct hyper_softc),
137    hyper_match, hyper_attach, NULL, NULL);
138
139static int	hyper_reset(struct diofb *, int, struct diofbreg *);
140
141static int	hyper_ioctl(void *, void *, u_long, void *, int, struct lwp *);
142
143static 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
156int
157hyper_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
168void
169hyper_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 */
202int
203hyper_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
222int
223hyper_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
260int
261hypercnattach(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