xref: /netbsd/sys/dev/isa/sb.c (revision 6550d01e) 
1 /*	$NetBSD: sb.c,v 1.88 2008/03/15 21:09:02 cube Exp $	*/
2 
3 /*
4  * Copyright (c) 1991-1993 Regents of the University of California.
5  * All rights reserved.
6  *
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.
22  *
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.
34  *
35  */
36 
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: sb.c,v 1.88 2008/03/15 21:09:02 cube Exp $");
39 
40 #include "midi.h"
41 
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>
49 
50 #include <sys/cpu.h>
51 #include <sys/intr.h>
52 #include <sys/bus.h>
53 
54 #include <sys/audioio.h>
55 #include <dev/audio_if.h>
56 #include <dev/midi_if.h>
57 
58 #include <dev/isa/isavar.h>
59 #include <dev/isa/isadmavar.h>
60 
61 #include <dev/isa/sbreg.h>
62 #include <dev/isa/sbvar.h>
63 #include <dev/isa/sbdspvar.h>
64 
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 */
72 };
73 #endif
74 
75 int	sb_getdev(void *, struct audio_device *);
76 
77 /*
78  * Define our interface to the higher level audio driver.
79  */
80 
81 const struct audio_hw_if sb_hw_if = {
82 	sbdsp_open,
83 	sbdsp_close,
84 	0,
85 	sbdsp_query_encoding,
86 	sbdsp_set_params,
87 	sbdsp_round_blocksize,
88 	0,
89 	0,
90 	0,
91 	0,
92 	0,
93 	sbdsp_halt_output,
94 	sbdsp_halt_input,
95 	sbdsp_speaker_ctl,
96 	sb_getdev,
97 	0,
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,
110 };
111 
112 /*
113  * Probe / attach routines.
114  */
115 
116 
117 int
118 sbmatch(struct sbdsp_softc *sc, int probing, cfdata_t match)
119 {
120 	static const u_char drq_conf[8] = {
121 		0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
122 	};
123 
124 	static const u_char irq_conf[11] = {
125 		-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
126 	};
127 
128 	if (sbdsp_probe(sc, match) == 0)
129 		return 0;
130 
131 	/*
132 	 * Cannot auto-discover DMA channel.
133 	 */
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;
140 		}
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;
147 		}
148 	}
149 
150 	if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
151 		/*
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
155                  */
156 		sc->sc_drq16 = -1;
157 
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;
166 		}
167 	} else
168 		sc->sc_drq16 = sc->sc_drq8;
169 
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;
176 		}
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;
183 		}
184 	}
185 
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;
193 		}
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;
199 		}
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;
205 		}
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,
219 			    r);
220 			return 0;
221 		}
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
226 
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,
240 			    r);
241 			return 0;
242 		}
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
247 	}
248 
249 	return 1;
250 }
251 
252 
253 void
254 sbattach(struct sbdsp_softc *sc)
255 {
256 	struct audio_attach_args arg;
257 
258 	sbdsp_attach(sc);
259 
260 	audio_attach_mi(&sb_hw_if, sc, sc->sc_dev);
261 
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;
276 	}
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);
283 	}
284 }
285 
286 /*
287  * Various routines to interface to higher level audio driver
288  */
289 
290 int
291 sb_getdev(void *addr, struct audio_device *retp)
292 {
293 	static const char * const names[] = SB_NAMES;
294 	struct sbdsp_softc *sc;
295 	const char *config;
296 
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));
309 
310 	return 0;
311 }
312