No empty .Rs/.Re
[netbsd-mini2440.git] / sys / dev / isa / sb.c
blobe140045e080f9a3719e6afd00e25dda8af8cc49b
1 /* $NetBSD: sb.c,v 1.87 2007/10/19 12:00:22 ad Exp $ */
3 /*
4 * Copyright (c) 1991-1993 Regents of the University of California.
5 * All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the Computer Systems
18 * Engineering Group at Lawrence Berkeley Laboratory.
19 * 4. Neither the name of the University nor of the Laboratory may be used
20 * to endorse or promote products derived from this software without
21 * specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: sb.c,v 1.87 2007/10/19 12:00:22 ad Exp $");
40 #include "midi.h"
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/errno.h>
45 #include <sys/ioctl.h>
46 #include <sys/syslog.h>
47 #include <sys/device.h>
48 #include <sys/proc.h>
50 #include <sys/cpu.h>
51 #include <sys/intr.h>
52 #include <sys/bus.h>
54 #include <sys/audioio.h>
55 #include <dev/audio_if.h>
56 #include <dev/midi_if.h>
58 #include <dev/isa/isavar.h>
59 #include <dev/isa/isadmavar.h>
61 #include <dev/isa/sbreg.h>
62 #include <dev/isa/sbvar.h>
63 #include <dev/isa/sbdspvar.h>
65 #if NMPU > 0
66 const struct midi_hw_if sb_midi_hw_if = {
67 sbdsp_midi_open,
68 sbdsp_midi_close,
69 sbdsp_midi_output,
70 sbdsp_midi_getinfo,
71 0, /* ioctl */
73 #endif
75 int sb_getdev(void *, struct audio_device *);
78 * Define our interface to the higher level audio driver.
81 const struct audio_hw_if sb_hw_if = {
82 sbdsp_open,
83 sbdsp_close,
85 sbdsp_query_encoding,
86 sbdsp_set_params,
87 sbdsp_round_blocksize,
93 sbdsp_halt_output,
94 sbdsp_halt_input,
95 sbdsp_speaker_ctl,
96 sb_getdev,
98 sbdsp_mixer_set_port,
99 sbdsp_mixer_get_port,
100 sbdsp_mixer_query_devinfo,
101 sb_malloc,
102 sb_free,
103 sb_round_buffersize,
104 sb_mappage,
105 sbdsp_get_props,
106 sbdsp_trigger_output,
107 sbdsp_trigger_input,
108 NULL,
109 NULL,
113 * Probe / attach routines.
118 sbmatch(struct sbdsp_softc *sc, int probing, cfdata_t match)
120 static const u_char drq_conf[8] = {
121 0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
124 static const u_char irq_conf[11] = {
125 -1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
128 if (sbdsp_probe(sc, match) == 0)
129 return 0;
132 * Cannot auto-discover DMA channel.
134 if (ISSBPROCLASS(sc)) {
135 if (!SBP_DRQ_VALID(sc->sc_drq8)) {
136 aprint_error("%s: configured DMA chan %d invalid\n",
137 probing ? "sbmatch" : device_xname(sc->sc_dev),
138 sc->sc_drq8);
139 return 0;
141 } else {
142 if (!SB_DRQ_VALID(sc->sc_drq8)) {
143 aprint_error("%s: configured DMA chan %d invalid\n",
144 probing ? "sbmatch" : device_xname(sc->sc_dev),
145 sc->sc_drq8);
146 return 0;
150 if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
152 * XXX Some ViBRA16 cards seem to have two 8 bit DMA
153 * channels. I've no clue how to use them, so ignore
154 * one of them for now. -- augustss@NetBSD.org
156 sc->sc_drq16 = -1;
158 if (ISSB16CLASS(sc)) {
159 if (sc->sc_drq16 == -1)
160 sc->sc_drq16 = sc->sc_drq8;
161 if (!SB16_DRQ_VALID(sc->sc_drq16)) {
162 aprint_error("%s: configured DMA chan %d invalid\n",
163 probing ? "sbmatch" : device_xname(sc->sc_dev),
164 sc->sc_drq16);
165 return 0;
167 } else
168 sc->sc_drq16 = sc->sc_drq8;
170 if (ISSBPROCLASS(sc)) {
171 if (!SBP_IRQ_VALID(sc->sc_irq)) {
172 aprint_error("%s: configured irq %d invalid\n",
173 probing ? "sbmatch" : device_xname(sc->sc_dev),
174 sc->sc_irq);
175 return 0;
177 } else {
178 if (!SB_IRQ_VALID(sc->sc_irq)) {
179 aprint_error("%s: configured irq %d invalid\n",
180 probing ? "sbmatch" : device_xname(sc->sc_dev),
181 sc->sc_irq);
182 return 0;
186 if (ISSB16CLASS(sc) && !(sc->sc_quirks & SB_QUIRK_NO_INIT_DRQ)) {
187 int w, r;
188 if (sc->sc_irq >= __arraycount(irq_conf)) {
189 aprint_error("%s: Cannot handle irq %d\n",
190 probing ? "sbmatch" : device_xname(sc->sc_dev),
191 sc->sc_irq);
192 return 0;
194 if (sc->sc_drq16 >= __arraycount(drq_conf)) {
195 aprint_error("%s: Cannot handle drq16 %d\n",
196 probing ? "sbmatch" : device_xname(sc->sc_dev),
197 sc->sc_drq16);
198 return 0;
200 if (sc->sc_drq8 >= __arraycount(drq_conf)) {
201 aprint_error("%s: Cannot handle drq8 %d\n",
202 probing ? "sbmatch" : device_xname(sc->sc_dev),
203 sc->sc_drq8);
204 return 0;
206 #if 0
207 printf("%s: old drq conf %02x\n", device_xname(sc->sc_dev),
208 sbdsp_mix_read(sc, SBP_SET_DRQ));
209 printf("%s: try drq conf %02x\n", device_xname(sc->sc_dev),
210 drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]);
211 #endif
212 w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8];
213 sbdsp_mix_write(sc, SBP_SET_DRQ, w);
214 r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb;
215 if (r != w) {
216 aprint_error("%s: setting drq mask %02x failed, "
217 "got %02x\n",
218 probing ? "sbmatch" : device_xname(sc->sc_dev), w,
220 return 0;
222 #if 0
223 printf("%s: new drq conf %02x\n", device_xname(sc->sc_dev),
224 sbdsp_mix_read(sc, SBP_SET_DRQ));
225 #endif
227 #if 0
228 printf("%s: old irq conf %02x\n", device_xname(sc->sc_dev),
229 sbdsp_mix_read(sc, SBP_SET_IRQ));
230 printf("%s: try irq conf %02x\n", device_xname(sc->sc_dev),
231 irq_conf[sc->sc_irq]);
232 #endif
233 w = irq_conf[sc->sc_irq];
234 sbdsp_mix_write(sc, SBP_SET_IRQ, w);
235 r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f;
236 if (r != w) {
237 aprint_error("%s: setting irq mask %02x failed, "
238 "got %02x\n",
239 probing ? "sbmatch" : device_xname(sc->sc_dev), w,
241 return 0;
243 #if 0
244 printf("%s: new irq conf %02x\n", device_xname(sc->sc_dev),
245 sbdsp_mix_read(sc, SBP_SET_IRQ));
246 #endif
249 return 1;
253 void
254 sbattach(struct sbdsp_softc *sc)
256 struct audio_attach_args arg;
258 sbdsp_attach(sc);
260 audio_attach_mi(&sb_hw_if, sc, sc->sc_dev);
262 #if NMPU > 0
263 switch(sc->sc_hasmpu) {
264 default:
265 case SBMPU_NONE: /* no mpu */
266 break;
267 case SBMPU_INTERNAL: /* try to attach midi directly */
268 midi_attach_mi(&sb_midi_hw_if, sc, sc->sc_dev);
269 break;
270 case SBMPU_EXTERNAL: /* search for mpu */
271 arg.type = AUDIODEV_TYPE_MPU;
272 arg.hwif = 0;
273 arg.hdl = 0;
274 sc->sc_mpudev = config_found_ia(sc->sc_dev, "sbdsp", &arg, audioprint);
275 break;
277 #endif
278 if (sc->sc_model >= SB_20) {
279 arg.type = AUDIODEV_TYPE_OPL;
280 arg.hwif = 0;
281 arg.hdl = 0;
282 (void)config_found_ia(sc->sc_dev, "sbdsp", &arg, audioprint);
287 * Various routines to interface to higher level audio driver
291 sb_getdev(void *addr, struct audio_device *retp)
293 static const char * const names[] = SB_NAMES;
294 struct sbdsp_softc *sc;
295 const char *config;
297 sc = addr;
298 if (sc->sc_model == SB_JAZZ)
299 strlcpy(retp->name, "MV Jazz16", sizeof(retp->name));
300 else
301 strlcpy(retp->name, "SoundBlaster", sizeof(retp->name));
302 snprintf(retp->version, sizeof(retp->version), "%d.%02d",
303 SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version));
304 if (sc->sc_model < sizeof names / sizeof names[0])
305 config = names[sc->sc_model];
306 else
307 config = "??";
308 strlcpy(retp->config, config, sizeof(retp->config));
310 return 0;