audioamd.c revision 1.17 1 1.17 lukem /* $NetBSD: audioamd.c,v 1.17 2003/07/15 00:04:51 lukem Exp $ */
2 1.1 augustss /* NetBSD: am7930_sparc.c,v 1.44 1999/03/14 22:29:00 jonathan Exp */
3 1.1 augustss
4 1.1 augustss /*
5 1.1 augustss * Copyright (c) 1995 Rolf Grossmann
6 1.1 augustss * All rights reserved.
7 1.1 augustss *
8 1.1 augustss * Redistribution and use in source and binary forms, with or without
9 1.1 augustss * modification, are permitted provided that the following conditions
10 1.1 augustss * are met:
11 1.1 augustss * 1. Redistributions of source code must retain the above copyright
12 1.1 augustss * notice, this list of conditions and the following disclaimer.
13 1.1 augustss * 2. Redistributions in binary form must reproduce the above copyright
14 1.1 augustss * notice, this list of conditions and the following disclaimer in the
15 1.1 augustss * documentation and/or other materials provided with the distribution.
16 1.1 augustss * 3. All advertising materials mentioning features or use of this software
17 1.1 augustss * must display the following acknowledgement:
18 1.1 augustss * This product includes software developed by Rolf Grossmann.
19 1.1 augustss * 4. The name of the author may not be used to endorse or promote products
20 1.1 augustss * derived from this software without specific prior written permission
21 1.1 augustss *
22 1.1 augustss * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 1.1 augustss * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 1.1 augustss * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 1.1 augustss * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 1.1 augustss * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 1.1 augustss * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 1.1 augustss * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 1.1 augustss * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 1.1 augustss * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 1.1 augustss * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 1.1 augustss */
33 1.17 lukem
34 1.17 lukem #include <sys/cdefs.h>
35 1.17 lukem __KERNEL_RCSID(0, "$NetBSD: audioamd.c,v 1.17 2003/07/15 00:04:51 lukem Exp $");
36 1.1 augustss
37 1.1 augustss #include "audio.h"
38 1.1 augustss #if NAUDIO > 0
39 1.1 augustss
40 1.1 augustss #include <sys/param.h>
41 1.1 augustss #include <sys/systm.h>
42 1.1 augustss #include <sys/errno.h>
43 1.1 augustss #include <sys/device.h>
44 1.1 augustss
45 1.1 augustss #include <machine/bus.h>
46 1.6 pk #include <machine/intr.h>
47 1.1 augustss #include <machine/autoconf.h>
48 1.1 augustss
49 1.1 augustss #include <sys/audioio.h>
50 1.1 augustss #include <dev/audio_if.h>
51 1.1 augustss
52 1.1 augustss #include <dev/ic/am7930reg.h>
53 1.1 augustss #include <dev/ic/am7930var.h>
54 1.3 mycroft #include <sparc/dev/audioamdvar.h>
55 1.1 augustss
56 1.1 augustss #define AUDIO_ROM_NAME "audio"
57 1.1 augustss
58 1.1 augustss #ifdef AUDIO_DEBUG
59 1.1 augustss #define DPRINTF(x) if (am7930debug) printf x
60 1.1 augustss #define DPRINTFN(n,x) if (am7930debug>(n)) printf x
61 1.1 augustss #else
62 1.1 augustss #define DPRINTF(x)
63 1.1 augustss #define DPRINTFN(n,x)
64 1.1 augustss #endif /* AUDIO_DEBUG */
65 1.1 augustss
66 1.1 augustss
67 1.1 augustss /* interrupt interfaces */
68 1.1 augustss int am7930hwintr __P((void *));
69 1.1 augustss struct auio *auiop;
70 1.14 pk void am7930swintr __P((void *));
71 1.1 augustss
72 1.15 pk /* from amd7930intr.s: */
73 1.15 pk void amd7930_trap(void);
74 1.15 pk
75 1.1 augustss /*
76 1.1 augustss * interrupt-handler status
77 1.1 augustss */
78 1.1 augustss struct am7930_intrhand {
79 1.1 augustss int (*ih_fun) __P((void *));
80 1.1 augustss void *ih_arg;
81 1.1 augustss };
82 1.1 augustss
83 1.1 augustss struct audioamd_softc {
84 1.1 augustss struct am7930_softc sc_am7930; /* glue to MI code */
85 1.1 augustss
86 1.1 augustss bus_space_tag_t sc_bt; /* bus cookie */
87 1.1 augustss bus_space_handle_t sc_bh; /* device registers */
88 1.1 augustss
89 1.1 augustss struct am7930_intrhand sc_ih; /* interrupt vector (hw or sw) */
90 1.1 augustss void (*sc_rintr)(void*); /* input completion intr handler */
91 1.1 augustss void *sc_rarg; /* arg for sc_rintr() */
92 1.1 augustss void (*sc_pintr)(void*); /* output completion intr handler */
93 1.1 augustss void *sc_parg; /* arg for sc_pintr() */
94 1.1 augustss
95 1.1 augustss /* sc_au is special in that the hardware interrupt handler uses it */
96 1.1 augustss struct auio sc_au; /* recv and xmit buffers, etc */
97 1.1 augustss #define sc_intrcnt sc_au.au_intrcnt /* statistics */
98 1.14 pk void *sc_sicookie; /* softintr(9) cookie */
99 1.1 augustss };
100 1.1 augustss
101 1.1 augustss void audioamd_mainbus_attach __P((struct device *,
102 1.1 augustss struct device *, void *));
103 1.1 augustss int audioamd_mainbus_match __P((struct device *, struct cfdata *, void *));
104 1.13 jdc void audioamd_obio_attach __P((struct device *, struct device *, void *));
105 1.13 jdc int audioamd_obio_match __P((struct device *, struct cfdata *, void *));
106 1.1 augustss void audioamd_sbus_attach __P((struct device *, struct device *, void *));
107 1.1 augustss int audioamd_sbus_match __P((struct device *, struct cfdata *, void *));
108 1.1 augustss void audioamd_attach(struct audioamd_softc *sc, int);
109 1.1 augustss
110 1.11 thorpej CFATTACH_DECL(audioamd_mainbus, sizeof(struct audioamd_softc),
111 1.12 thorpej audioamd_mainbus_match, audioamd_mainbus_attach, NULL, NULL);
112 1.1 augustss
113 1.13 jdc CFATTACH_DECL(audioamd_obio, sizeof(struct audioamd_softc),
114 1.13 jdc audioamd_obio_match, audioamd_obio_attach, NULL, NULL);
115 1.13 jdc
116 1.11 thorpej CFATTACH_DECL(audioamd_sbus, sizeof(struct audioamd_softc),
117 1.12 thorpej audioamd_sbus_match, audioamd_sbus_attach, NULL, NULL);
118 1.1 augustss
119 1.1 augustss /*
120 1.1 augustss * Define our interface into the am7930 MI driver.
121 1.1 augustss */
122 1.1 augustss
123 1.1 augustss u_int8_t audioamd_codec_iread __P((struct am7930_softc *, int));
124 1.1 augustss u_int16_t audioamd_codec_iread16 __P((struct am7930_softc *, int));
125 1.2 mycroft u_int8_t audioamd_codec_dread __P((struct audioamd_softc *, int));
126 1.1 augustss void audioamd_codec_iwrite __P((struct am7930_softc *, int, u_int8_t));
127 1.1 augustss void audioamd_codec_iwrite16 __P((struct am7930_softc *, int, u_int16_t));
128 1.2 mycroft void audioamd_codec_dwrite __P((struct audioamd_softc *, int, u_int8_t));
129 1.1 augustss void audioamd_onopen __P((struct am7930_softc *sc));
130 1.1 augustss void audioamd_onclose __P((struct am7930_softc *sc));
131 1.1 augustss
132 1.1 augustss struct am7930_glue audioamd_glue = {
133 1.1 augustss audioamd_codec_iread,
134 1.1 augustss audioamd_codec_iwrite,
135 1.1 augustss audioamd_codec_iread16,
136 1.1 augustss audioamd_codec_iwrite16,
137 1.1 augustss audioamd_onopen,
138 1.1 augustss audioamd_onclose,
139 1.1 augustss 0,
140 1.1 augustss 0,
141 1.1 augustss 0,
142 1.1 augustss };
143 1.1 augustss
144 1.1 augustss /*
145 1.1 augustss * Define our interface to the higher level audio driver.
146 1.1 augustss */
147 1.1 augustss int audioamd_start_output __P((void *, void *, int, void (*)(void *),
148 1.1 augustss void *));
149 1.1 augustss int audioamd_start_input __P((void *, void *, int, void (*)(void *),
150 1.1 augustss void *));
151 1.2 mycroft int audioamd_getdev __P((void *, struct audio_device *));
152 1.1 augustss
153 1.1 augustss struct audio_hw_if sa_hw_if = {
154 1.1 augustss am7930_open,
155 1.1 augustss am7930_close,
156 1.1 augustss 0,
157 1.1 augustss am7930_query_encoding,
158 1.1 augustss am7930_set_params,
159 1.1 augustss am7930_round_blocksize,
160 1.1 augustss am7930_commit_settings,
161 1.1 augustss 0,
162 1.1 augustss 0,
163 1.1 augustss audioamd_start_output, /* md */
164 1.1 augustss audioamd_start_input, /* md */
165 1.1 augustss am7930_halt_output,
166 1.1 augustss am7930_halt_input,
167 1.1 augustss 0,
168 1.1 augustss audioamd_getdev,
169 1.1 augustss 0,
170 1.1 augustss am7930_set_port,
171 1.1 augustss am7930_get_port,
172 1.1 augustss am7930_query_devinfo,
173 1.1 augustss 0,
174 1.1 augustss 0,
175 1.1 augustss 0,
176 1.1 augustss 0,
177 1.1 augustss am7930_get_props,
178 1.7 augustss 0,
179 1.7 augustss 0,
180 1.7 augustss 0,
181 1.1 augustss };
182 1.1 augustss
183 1.1 augustss struct audio_device audioamd_device = {
184 1.1 augustss "am7930",
185 1.1 augustss "x",
186 1.1 augustss "audioamd"
187 1.1 augustss };
188 1.1 augustss
189 1.1 augustss
190 1.1 augustss int
191 1.1 augustss audioamd_mainbus_match(parent, cf, aux)
192 1.1 augustss struct device *parent;
193 1.1 augustss struct cfdata *cf;
194 1.1 augustss void *aux;
195 1.1 augustss {
196 1.1 augustss struct mainbus_attach_args *ma = aux;
197 1.1 augustss
198 1.1 augustss if (CPU_ISSUN4)
199 1.1 augustss return (0);
200 1.1 augustss return (strcmp(AUDIO_ROM_NAME, ma->ma_name) == 0);
201 1.1 augustss }
202 1.1 augustss
203 1.1 augustss int
204 1.13 jdc audioamd_obio_match(parent, cf, aux)
205 1.13 jdc struct device *parent;
206 1.13 jdc struct cfdata *cf;
207 1.13 jdc void *aux;
208 1.13 jdc {
209 1.13 jdc union obio_attach_args *uoba = aux;
210 1.13 jdc
211 1.13 jdc if (uoba->uoba_isobio4 != 0)
212 1.13 jdc return (0);
213 1.13 jdc
214 1.13 jdc return (strcmp("audio", uoba->uoba_sbus.sa_name) == 0);
215 1.13 jdc }
216 1.13 jdc
217 1.13 jdc int
218 1.1 augustss audioamd_sbus_match(parent, cf, aux)
219 1.1 augustss struct device *parent;
220 1.1 augustss struct cfdata *cf;
221 1.1 augustss void *aux;
222 1.1 augustss {
223 1.1 augustss struct sbus_attach_args *sa = aux;
224 1.1 augustss
225 1.1 augustss return (strcmp(AUDIO_ROM_NAME, sa->sa_name) == 0);
226 1.1 augustss }
227 1.1 augustss
228 1.1 augustss void
229 1.1 augustss audioamd_mainbus_attach(parent, self, aux)
230 1.1 augustss struct device *parent, *self;
231 1.1 augustss void *aux;
232 1.1 augustss {
233 1.1 augustss struct mainbus_attach_args *ma = aux;
234 1.1 augustss struct audioamd_softc *sc = (struct audioamd_softc *)self;
235 1.1 augustss bus_space_handle_t bh;
236 1.1 augustss
237 1.1 augustss sc->sc_bt = ma->ma_bustag;
238 1.1 augustss
239 1.8 pk if (bus_space_map(
240 1.1 augustss ma->ma_bustag,
241 1.1 augustss ma->ma_paddr,
242 1.2 mycroft AM7930_DREG_SIZE,
243 1.1 augustss BUS_SPACE_MAP_LINEAR,
244 1.1 augustss &bh) != 0) {
245 1.1 augustss printf("%s: cannot map registers\n", self->dv_xname);
246 1.1 augustss return;
247 1.1 augustss }
248 1.1 augustss sc->sc_bh = bh;
249 1.1 augustss audioamd_attach(sc, ma->ma_pri);
250 1.1 augustss }
251 1.1 augustss
252 1.13 jdc void
253 1.13 jdc audioamd_obio_attach(parent, self, aux)
254 1.13 jdc struct device *parent, *self;
255 1.13 jdc void *aux;
256 1.13 jdc {
257 1.13 jdc union obio_attach_args *uoba = aux;
258 1.13 jdc struct sbus_attach_args *sa = &uoba->uoba_sbus;
259 1.13 jdc struct audioamd_softc *sc = (struct audioamd_softc *)self;
260 1.13 jdc bus_space_handle_t bh;
261 1.13 jdc
262 1.13 jdc sc->sc_bt = sa->sa_bustag;
263 1.13 jdc
264 1.13 jdc if (sbus_bus_map(sa->sa_bustag,
265 1.13 jdc sa->sa_slot, sa->sa_offset,
266 1.13 jdc AM7930_DREG_SIZE,
267 1.13 jdc 0, &bh) != 0) {
268 1.13 jdc printf("%s: cannot map registers\n", self->dv_xname);
269 1.13 jdc return;
270 1.13 jdc }
271 1.13 jdc sc->sc_bh = bh;
272 1.13 jdc audioamd_attach(sc, sa->sa_pri);
273 1.13 jdc }
274 1.1 augustss
275 1.1 augustss void
276 1.1 augustss audioamd_sbus_attach(parent, self, aux)
277 1.1 augustss struct device *parent, *self;
278 1.1 augustss void *aux;
279 1.1 augustss {
280 1.1 augustss struct sbus_attach_args *sa = aux;
281 1.1 augustss struct audioamd_softc *sc = (struct audioamd_softc *)self;
282 1.1 augustss bus_space_handle_t bh;
283 1.1 augustss
284 1.1 augustss sc->sc_bt = sa->sa_bustag;
285 1.1 augustss
286 1.8 pk if (sbus_bus_map(sa->sa_bustag,
287 1.8 pk sa->sa_slot, sa->sa_offset,
288 1.8 pk AM7930_DREG_SIZE,
289 1.8 pk 0, &bh) != 0) {
290 1.1 augustss printf("%s: cannot map registers\n", self->dv_xname);
291 1.1 augustss return;
292 1.1 augustss }
293 1.1 augustss sc->sc_bh = bh;
294 1.1 augustss audioamd_attach(sc, sa->sa_pri);
295 1.1 augustss }
296 1.1 augustss
297 1.1 augustss void
298 1.1 augustss audioamd_attach(sc, pri)
299 1.1 augustss struct audioamd_softc *sc;
300 1.1 augustss int pri;
301 1.1 augustss {
302 1.1 augustss
303 1.1 augustss /*
304 1.1 augustss * Set up glue for MI code early; we use some of it here.
305 1.1 augustss */
306 1.2 mycroft sc->sc_am7930.sc_glue = &audioamd_glue;
307 1.1 augustss
308 1.2 mycroft am7930_init(&sc->sc_am7930, AUDIOAMD_POLL_MODE);
309 1.1 augustss
310 1.14 pk auiop = &sc->sc_au;
311 1.15 pk
312 1.15 pk /* Copy bus tag & handle for use by am7930_trap */
313 1.15 pk sc->sc_au.au_bt = sc->sc_bt;
314 1.15 pk sc->sc_au.au_bh = sc->sc_bh;
315 1.16 pk (void)bus_intr_establish2(sc->sc_bt, pri, IPL_AUDIO,
316 1.15 pk am7930hwintr, sc, amd7930_trap);
317 1.14 pk
318 1.14 pk sc->sc_sicookie = softintr_establish(IPL_SOFTAUDIO, am7930swintr, sc);
319 1.14 pk if (sc->sc_sicookie == NULL) {
320 1.14 pk printf("\n%s: cannot establish software interrupt\n",
321 1.14 pk sc->sc_am7930.sc_dev.dv_xname);
322 1.14 pk return;
323 1.14 pk }
324 1.14 pk
325 1.14 pk printf(" softpri %d\n", IPL_SOFTAUDIO);
326 1.14 pk
327 1.1 augustss
328 1.4 cgd evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
329 1.4 cgd sc->sc_am7930.sc_dev.dv_xname, "intr");
330 1.1 augustss
331 1.2 mycroft audio_attach_mi(&sa_hw_if, sc, &sc->sc_am7930.sc_dev);
332 1.1 augustss }
333 1.1 augustss
334 1.1 augustss
335 1.1 augustss void
336 1.1 augustss audioamd_onopen(sc)
337 1.1 augustss struct am7930_softc *sc;
338 1.1 augustss {
339 1.2 mycroft struct audioamd_softc *mdsc = (struct audioamd_softc *)sc;
340 1.1 augustss
341 1.1 augustss /* reset pdma state */
342 1.1 augustss mdsc->sc_rintr = 0;
343 1.1 augustss mdsc->sc_rarg = 0;
344 1.1 augustss mdsc->sc_pintr = 0;
345 1.1 augustss mdsc->sc_parg = 0;
346 1.1 augustss
347 1.1 augustss mdsc->sc_au.au_rdata = 0;
348 1.1 augustss mdsc->sc_au.au_pdata = 0;
349 1.1 augustss }
350 1.1 augustss
351 1.1 augustss
352 1.1 augustss void
353 1.1 augustss audioamd_onclose(sc)
354 1.1 augustss struct am7930_softc *sc;
355 1.1 augustss {
356 1.1 augustss /* On sparc, just do the chipset-level halt. */
357 1.1 augustss am7930_halt_input(sc);
358 1.1 augustss am7930_halt_output(sc);
359 1.1 augustss }
360 1.1 augustss
361 1.1 augustss int
362 1.2 mycroft audioamd_start_output(addr, p, cc, intr, arg)
363 1.1 augustss void *addr;
364 1.1 augustss void *p;
365 1.1 augustss int cc;
366 1.1 augustss void (*intr) __P((void *));
367 1.1 augustss void *arg;
368 1.1 augustss {
369 1.1 augustss struct audioamd_softc *sc = addr;
370 1.1 augustss
371 1.1 augustss DPRINTFN(1, ("sa_start_output: cc=%d %p (%p)\n", cc, intr, arg));
372 1.1 augustss
373 1.2 mycroft if (!sc->sc_am7930.sc_locked) {
374 1.2 mycroft audioamd_codec_iwrite(&sc->sc_am7930,
375 1.1 augustss AM7930_IREG_INIT, AM7930_INIT_PMS_ACTIVE);
376 1.2 mycroft sc->sc_am7930.sc_locked = 1;
377 1.1 augustss DPRINTF(("sa_start_output: started intrs.\n"));
378 1.1 augustss }
379 1.1 augustss sc->sc_pintr = intr;
380 1.1 augustss sc->sc_parg = arg;
381 1.1 augustss sc->sc_au.au_pdata = p;
382 1.1 augustss sc->sc_au.au_pend = (char *)p + cc - 1;
383 1.1 augustss return(0);
384 1.1 augustss }
385 1.1 augustss
386 1.1 augustss int
387 1.2 mycroft audioamd_start_input(addr, p, cc, intr, arg)
388 1.1 augustss void *addr;
389 1.1 augustss void *p;
390 1.1 augustss int cc;
391 1.1 augustss void (*intr) __P((void *));
392 1.1 augustss void *arg;
393 1.1 augustss {
394 1.1 augustss struct audioamd_softc *sc = addr;
395 1.1 augustss
396 1.1 augustss DPRINTFN(1, ("sa_start_input: cc=%d %p (%p)\n", cc, intr, arg));
397 1.1 augustss
398 1.2 mycroft if (!sc->sc_am7930.sc_locked) {
399 1.2 mycroft audioamd_codec_iwrite(&sc->sc_am7930,
400 1.1 augustss AM7930_IREG_INIT, AM7930_INIT_PMS_ACTIVE);
401 1.2 mycroft sc->sc_am7930.sc_locked = 1;
402 1.1 augustss DPRINTF(("sa_start_input: started intrs.\n"));
403 1.1 augustss }
404 1.1 augustss sc->sc_rintr = intr;
405 1.1 augustss sc->sc_rarg = arg;
406 1.1 augustss sc->sc_au.au_rdata = p;
407 1.1 augustss sc->sc_au.au_rend = (char *)p + cc -1;
408 1.1 augustss return(0);
409 1.1 augustss }
410 1.1 augustss
411 1.1 augustss
412 1.1 augustss /*
413 1.1 augustss * Pseudo-DMA support: either C or locore assember.
414 1.1 augustss */
415 1.1 augustss
416 1.1 augustss int
417 1.9 gmcgarry am7930hwintr(v)
418 1.9 gmcgarry void *v;
419 1.1 augustss {
420 1.9 gmcgarry struct audioamd_softc *sc = v;
421 1.5 gmcgarry struct auio *au = &sc->sc_au;
422 1.1 augustss u_int8_t *d, *e;
423 1.1 augustss int k;
424 1.1 augustss
425 1.1 augustss /* clear interrupt */
426 1.1 augustss k = audioamd_codec_dread(sc, AM7930_DREG_IR);
427 1.14 pk if ((k & (AM7930_IR_DTTHRSH|AM7930_IR_DRTHRSH|AM7930_IR_DSRI|
428 1.14 pk AM7930_IR_DERI|AM7930_IR_BBUFF)) == 0)
429 1.14 pk return (0);
430 1.1 augustss
431 1.1 augustss /* receive incoming data */
432 1.1 augustss d = au->au_rdata;
433 1.1 augustss e = au->au_rend;
434 1.1 augustss if (d && d <= e) {
435 1.1 augustss *d = audioamd_codec_dread(sc, AM7930_DREG_BBRB);
436 1.1 augustss au->au_rdata++;
437 1.1 augustss if (d == e) {
438 1.1 augustss DPRINTFN(1, ("am7930hwintr: swintr(r) requested"));
439 1.14 pk softintr_schedule(sc->sc_sicookie);
440 1.1 augustss }
441 1.1 augustss }
442 1.1 augustss
443 1.1 augustss /* send outgoing data */
444 1.1 augustss d = au->au_pdata;
445 1.1 augustss e = au->au_pend;
446 1.1 augustss if (d && d <= e) {
447 1.1 augustss audioamd_codec_dwrite(sc, AM7930_DREG_BBTB, *d);
448 1.1 augustss au->au_pdata++;
449 1.1 augustss if (d == e) {
450 1.1 augustss DPRINTFN(1, ("am7930hwintr: swintr(p) requested"));
451 1.14 pk softintr_schedule(sc->sc_sicookie);
452 1.1 augustss }
453 1.1 augustss }
454 1.1 augustss
455 1.9 gmcgarry au->au_intrcnt.ev_count++;
456 1.1 augustss return (1);
457 1.1 augustss }
458 1.1 augustss
459 1.14 pk void
460 1.1 augustss am7930swintr(sc0)
461 1.1 augustss void *sc0;
462 1.1 augustss {
463 1.1 augustss struct audioamd_softc *sc = sc0;
464 1.1 augustss struct auio *au;
465 1.14 pk int s;
466 1.1 augustss
467 1.1 augustss DPRINTFN(1, ("audiointr: sc=%p\n", sc););
468 1.1 augustss
469 1.1 augustss au = &sc->sc_au;
470 1.1 augustss s = splaudio();
471 1.1 augustss if (au->au_rdata > au->au_rend && sc->sc_rintr != NULL) {
472 1.1 augustss splx(s);
473 1.1 augustss (*sc->sc_rintr)(sc->sc_rarg);
474 1.1 augustss s = splaudio();
475 1.1 augustss }
476 1.1 augustss if (au->au_pdata > au->au_pend && sc->sc_pintr != NULL) {
477 1.1 augustss splx(s);
478 1.1 augustss (*sc->sc_pintr)(sc->sc_parg);
479 1.1 augustss } else
480 1.1 augustss splx(s);
481 1.1 augustss }
482 1.1 augustss
483 1.1 augustss
484 1.1 augustss /* indirect write */
485 1.1 augustss void
486 1.1 augustss audioamd_codec_iwrite(sc, reg, val)
487 1.1 augustss struct am7930_softc *sc;
488 1.1 augustss int reg;
489 1.1 augustss u_int8_t val;
490 1.1 augustss {
491 1.2 mycroft struct audioamd_softc *mdsc = (struct audioamd_softc *)sc;
492 1.2 mycroft
493 1.2 mycroft audioamd_codec_dwrite(mdsc, AM7930_DREG_CR, reg);
494 1.2 mycroft audioamd_codec_dwrite(mdsc, AM7930_DREG_DR, val);
495 1.1 augustss }
496 1.1 augustss
497 1.1 augustss void
498 1.1 augustss audioamd_codec_iwrite16(sc, reg, val)
499 1.1 augustss struct am7930_softc *sc;
500 1.1 augustss int reg;
501 1.1 augustss u_int16_t val;
502 1.1 augustss {
503 1.2 mycroft struct audioamd_softc *mdsc = (struct audioamd_softc *)sc;
504 1.2 mycroft
505 1.2 mycroft audioamd_codec_dwrite(mdsc, AM7930_DREG_CR, reg);
506 1.2 mycroft audioamd_codec_dwrite(mdsc, AM7930_DREG_DR, val);
507 1.2 mycroft audioamd_codec_dwrite(mdsc, AM7930_DREG_DR, val>>8);
508 1.1 augustss }
509 1.1 augustss
510 1.1 augustss
511 1.1 augustss /* indirect read */
512 1.1 augustss u_int8_t
513 1.1 augustss audioamd_codec_iread(sc, reg)
514 1.1 augustss struct am7930_softc *sc;
515 1.1 augustss int reg;
516 1.1 augustss {
517 1.2 mycroft struct audioamd_softc *mdsc = (struct audioamd_softc *)sc;
518 1.2 mycroft
519 1.2 mycroft audioamd_codec_dwrite(mdsc, AM7930_DREG_CR, reg);
520 1.2 mycroft return (audioamd_codec_dread(mdsc, AM7930_DREG_DR));
521 1.1 augustss }
522 1.1 augustss
523 1.2 mycroft u_int16_t
524 1.2 mycroft audioamd_codec_iread16(sc, reg)
525 1.1 augustss struct am7930_softc *sc;
526 1.1 augustss int reg;
527 1.1 augustss {
528 1.1 augustss struct audioamd_softc *mdsc = (struct audioamd_softc *)sc;
529 1.2 mycroft u_int8_t lo, hi;
530 1.2 mycroft
531 1.2 mycroft audioamd_codec_dwrite(mdsc, AM7930_DREG_CR, reg);
532 1.2 mycroft lo = audioamd_codec_dread(mdsc, AM7930_DREG_DR);
533 1.2 mycroft hi = audioamd_codec_dread(mdsc, AM7930_DREG_DR);
534 1.2 mycroft return ((hi << 8) | lo);
535 1.1 augustss }
536 1.1 augustss
537 1.1 augustss /* direct read */
538 1.1 augustss u_int8_t
539 1.2 mycroft audioamd_codec_dread(sc, reg)
540 1.2 mycroft struct audioamd_softc *sc;
541 1.2 mycroft int reg;
542 1.2 mycroft {
543 1.2 mycroft return (bus_space_read_1(sc->sc_bt, sc->sc_bh, reg));
544 1.2 mycroft }
545 1.2 mycroft
546 1.2 mycroft /* direct write */
547 1.2 mycroft void
548 1.2 mycroft audioamd_codec_dwrite(sc, reg, val)
549 1.2 mycroft struct audioamd_softc *sc;
550 1.1 augustss int reg;
551 1.2 mycroft u_int8_t val;
552 1.1 augustss {
553 1.2 mycroft bus_space_write_1(sc->sc_bt, sc->sc_bh, reg, val);
554 1.2 mycroft }
555 1.2 mycroft
556 1.2 mycroft int
557 1.2 mycroft audioamd_getdev(addr, retp)
558 1.2 mycroft void *addr;
559 1.2 mycroft struct audio_device *retp;
560 1.2 mycroft {
561 1.2 mycroft
562 1.2 mycroft *retp = audioamd_device;
563 1.2 mycroft return (0);
564 1.1 augustss }
565 1.1 augustss
566 1.1 augustss #endif /* NAUDIO > 0 */
567