xref: /netbsd/sys/dev/isa/sb.c (revision c4a72b64)
1 /*	$NetBSD: sb.c,v 1.73 2002/11/02 10:47:49 kristerw 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 1.73 2002/11/02 10:47:49 kristerw 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 <machine/cpu.h>
51 #include <machine/intr.h>
52 #include <machine/bus.h>
53 
54 #include <sys/audioio.h>
55 #include <dev/audio_if.h>
56 #include <dev/midi_if.h>
57 
58 #include <dev/midi_if.h>
59 
60 #include <dev/isa/isavar.h>
61 #include <dev/isa/isadmavar.h>
62 
63 #include <dev/isa/sbreg.h>
64 #include <dev/isa/sbvar.h>
65 #include <dev/isa/sbdspvar.h>
66 
67 #if NMPU > 0
68 struct midi_hw_if sb_midi_hw_if = {
69 	sbdsp_midi_open,
70 	sbdsp_midi_close,
71 	sbdsp_midi_output,
72 	sbdsp_midi_getinfo,
73 	0,			/* ioctl */
74 };
75 #endif
76 
77 int	sb_getdev __P((void *, struct audio_device *));
78 
79 /*
80  * Define our interface to the higher level audio driver.
81  */
82 
83 struct audio_hw_if sb_hw_if = {
84 	sbdsp_open,
85 	sbdsp_close,
86 	0,
87 	sbdsp_query_encoding,
88 	sbdsp_set_params,
89 	sbdsp_round_blocksize,
90 	0,
91 	0,
92 	0,
93 	0,
94 	0,
95 	sbdsp_halt_output,
96 	sbdsp_halt_input,
97 	sbdsp_speaker_ctl,
98 	sb_getdev,
99 	0,
100 	sbdsp_mixer_set_port,
101 	sbdsp_mixer_get_port,
102 	sbdsp_mixer_query_devinfo,
103 	sb_malloc,
104 	sb_free,
105 	sb_round_buffersize,
106         sb_mappage,
107 	sbdsp_get_props,
108 	sbdsp_trigger_output,
109 	sbdsp_trigger_input,
110 	0,
111 };
112 
113 /*
114  * Probe / attach routines.
115  */
116 
117 
118 int
119 sbmatch(sc)
120 	struct sbdsp_softc *sc;
121 {
122 	static u_char drq_conf[8] = {
123 		0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
124 	};
125 
126 	static u_char irq_conf[11] = {
127 		-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
128 	};
129 
130 	if (sbdsp_probe(sc) == 0)
131 		return 0;
132 
133 	/*
134 	 * Cannot auto-discover DMA channel.
135 	 */
136 	if (ISSBPROCLASS(sc)) {
137 		if (!SBP_DRQ_VALID(sc->sc_drq8)) {
138 			printf("%s: configured dma chan %d invalid\n",
139 			    sc->sc_dev.dv_xname, sc->sc_drq8);
140 			return 0;
141 		}
142 	} else {
143 		if (!SB_DRQ_VALID(sc->sc_drq8)) {
144 			printf("%s: configured dma chan %d invalid\n",
145 			    sc->sc_dev.dv_xname, 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 			printf("%s: configured dma chan %d invalid\n",
163 			    sc->sc_dev.dv_xname, sc->sc_drq16);
164 			return 0;
165 		}
166 	} else
167 		sc->sc_drq16 = sc->sc_drq8;
168 
169 	if (ISSBPROCLASS(sc)) {
170 		if (!SBP_IRQ_VALID(sc->sc_irq)) {
171 			printf("%s: configured irq %d invalid\n",
172 			    sc->sc_dev.dv_xname, sc->sc_irq);
173 			return 0;
174 		}
175 	} else {
176 		if (!SB_IRQ_VALID(sc->sc_irq)) {
177 			printf("%s: configured irq %d invalid\n",
178 			    sc->sc_dev.dv_xname, sc->sc_irq);
179 			return 0;
180 		}
181 	}
182 
183 	if (ISSB16CLASS(sc) && !(sc->sc_quirks & SB_QUIRK_NO_INIT_DRQ)) {
184 		int w, r;
185 #if 0
186 		printf("%s: old drq conf %02x\n", sc->sc_dev.dv_xname,
187 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
188 		printf("%s: try drq conf %02x\n", sc->sc_dev.dv_xname,
189 		    drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]);
190 #endif
191 		w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8];
192 		sbdsp_mix_write(sc, SBP_SET_DRQ, w);
193 		r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb;
194 		if (r != w) {
195 			printf("%s: setting drq mask %02x failed, got %02x\n",
196 			    sc->sc_dev.dv_xname, w, r);
197 			return 0;
198 		}
199 #if 0
200 		printf("%s: new drq conf %02x\n", sc->sc_dev.dv_xname,
201 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
202 #endif
203 
204 #if 0
205 		printf("%s: old irq conf %02x\n", sc->sc_dev.dv_xname,
206 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
207 		printf("%s: try irq conf %02x\n", sc->sc_dev.dv_xname,
208 		    irq_conf[sc->sc_irq]);
209 #endif
210 		w = irq_conf[sc->sc_irq];
211 		sbdsp_mix_write(sc, SBP_SET_IRQ, w);
212 		r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f;
213 		if (r != w) {
214 			printf("%s: setting irq mask %02x failed, got %02x\n",
215 			    sc->sc_dev.dv_xname, w, r);
216 			return 0;
217 		}
218 #if 0
219 		printf("%s: new irq conf %02x\n", sc->sc_dev.dv_xname,
220 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
221 #endif
222 	}
223 
224 	return 1;
225 }
226 
227 
228 void
229 sbattach(sc)
230 	struct sbdsp_softc *sc;
231 {
232 	struct audio_attach_args arg;
233 
234 	sbdsp_attach(sc);
235 
236 	audio_attach_mi(&sb_hw_if, sc, &sc->sc_dev);
237 
238 #if NMPU > 0
239 	if (sc->sc_hasmpu) {
240 		arg.type = AUDIODEV_TYPE_MPU;
241 		arg.hwif = 0;
242 		arg.hdl = 0;
243 		sc->sc_mpudev = config_found(&sc->sc_dev, &arg, audioprint);
244 	} else {
245 		midi_attach_mi(&sb_midi_hw_if, sc, &sc->sc_dev);
246 	}
247 #endif
248 
249 	if (sc->sc_model >= SB_20) {
250 		arg.type = AUDIODEV_TYPE_OPL;
251 		arg.hwif = 0;
252 		arg.hdl = 0;
253 		(void)config_found(&sc->sc_dev, &arg, audioprint);
254 	}
255 }
256 
257 /*
258  * Various routines to interface to higher level audio driver
259  */
260 
261 int
262 sb_getdev(addr, retp)
263 	void *addr;
264 	struct audio_device *retp;
265 {
266 	struct sbdsp_softc *sc = addr;
267 	static char *names[] = SB_NAMES;
268 	char *config;
269 
270 	if (sc->sc_model == SB_JAZZ)
271 		strncpy(retp->name, "MV Jazz16", sizeof(retp->name));
272 	else
273 		strncpy(retp->name, "SoundBlaster", sizeof(retp->name));
274 	sprintf(retp->version, "%d.%02d",
275 		SBVER_MAJOR(sc->sc_version),
276 		SBVER_MINOR(sc->sc_version));
277 	if (0 <= sc->sc_model && sc->sc_model < sizeof names / sizeof names[0])
278 		config = names[sc->sc_model];
279 	else
280 		config = "??";
281 	strncpy(retp->config, config, sizeof(retp->config));
282 
283 	return 0;
284 }
285