esa.c revision 1.21 1 /* $NetBSD: esa.c,v 1.21 2003/07/14 15:47:23 lukem Exp $ */
2
3 /*
4 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill (at) invisible.ca>
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. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 /*
29 * ESS Allegro-1 / Maestro3 Audio Driver
30 *
31 * Based on the FreeBSD maestro3 driver and the NetBSD eap driver.
32 * Original driver by Don Kim.
33 *
34 * The list management code could possibly be written better, but what
35 * we have right now does the job nicely. Thanks to Zach Brown <zab (at) zabbo.net>
36 * and Andrew MacDonald <amac (at) epsilon.yi.org> for helping me debug the
37 * problems with the original list management code present in the Linux
38 * driver.
39 */
40
41 #include <sys/cdefs.h>
42 __KERNEL_RCSID(0, "$NetBSD: esa.c,v 1.21 2003/07/14 15:47:23 lukem Exp $");
43
44 #include <sys/types.h>
45 #include <sys/errno.h>
46 #include <sys/null.h>
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/malloc.h>
50 #include <sys/device.h>
51 #include <sys/conf.h>
52 #include <sys/exec.h>
53 #include <sys/select.h>
54 #include <sys/audioio.h>
55
56 #include <machine/bus.h>
57 #include <machine/intr.h>
58
59 #include <dev/pci/pcidevs.h>
60 #include <dev/pci/pcivar.h>
61
62 #include <dev/audio_if.h>
63 #include <dev/mulaw.h>
64 #include <dev/auconv.h>
65 #include <dev/ic/ac97var.h>
66 #include <dev/ic/ac97reg.h>
67
68 #include <dev/pci/esareg.h>
69 #include <dev/pci/esadsp.h>
70 #include <dev/pci/esavar.h>
71
72 #define PCI_CBIO 0x10
73
74 #define ESA_DAC_DATA 0x1100
75
76 enum {
77 ESS_ALLEGRO1,
78 ESS_MAESTRO3
79 };
80
81 static struct esa_card_type {
82 u_int16_t pci_vendor_id;
83 u_int16_t pci_product_id;
84 int type;
85 int delay1, delay2;
86 } esa_card_types[] = {
87 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ALLEGRO1,
88 ESS_ALLEGRO1, 50, 800 },
89 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3,
90 ESS_MAESTRO3, 20, 500 },
91 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2,
92 ESS_MAESTRO3, 20, 500 },
93 { 0, 0, 0, 0, 0 }
94 };
95
96 struct audio_device esa_device = {
97 "ESS Allegro",
98 "",
99 "esa"
100 };
101
102 int esa_match(struct device *, struct cfdata *, void *);
103 void esa_attach(struct device *, struct device *, void *);
104 int esa_detach(struct device *, int);
105
106 /* audio(9) functions */
107 int esa_open(void *, int);
108 void esa_close(void *);
109 int esa_query_encoding(void *, struct audio_encoding *);
110 int esa_set_params(void *, int, int, struct audio_params *,
111 struct audio_params *);
112 int esa_round_blocksize(void *, int);
113 int esa_commit_settings(void *);
114 int esa_halt_output(void *);
115 int esa_halt_input(void *);
116 int esa_set_port(void *, mixer_ctrl_t *);
117 int esa_get_port(void *, mixer_ctrl_t *);
118 int esa_query_devinfo(void *, mixer_devinfo_t *);
119 void * esa_malloc(void *, int, size_t, struct malloc_type *, int);
120 void esa_free(void *, void *, struct malloc_type *);
121 int esa_getdev(void *, struct audio_device *);
122 size_t esa_round_buffersize(void *, int, size_t);
123 int esa_get_props(void *);
124 int esa_trigger_output(void *, void *, void *, int,
125 void (*)(void *), void *,
126 struct audio_params *);
127 int esa_trigger_input(void *, void *, void *, int,
128 void (*)(void *), void *,
129 struct audio_params *);
130
131 int esa_intr(void *);
132 int esa_allocmem(struct esa_softc *, size_t, size_t,
133 struct esa_dma *);
134 int esa_freemem(struct esa_softc *, struct esa_dma *);
135 paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot);
136
137 /* Supporting subroutines */
138 u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t);
139 void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t,
140 u_int16_t);
141 int esa_init_codec(struct esa_softc *);
142 int esa_attach_codec(void *, struct ac97_codec_if *);
143 int esa_read_codec(void *, u_int8_t, u_int16_t *);
144 int esa_write_codec(void *, u_int8_t, u_int16_t);
145 void esa_reset_codec(void *);
146 enum ac97_host_flags esa_flags_codec(void *);
147 int esa_wait(struct esa_softc *);
148 int esa_init(struct esa_softc *);
149 void esa_config(struct esa_softc *);
150 u_int8_t esa_assp_halt(struct esa_softc *);
151 void esa_codec_reset(struct esa_softc *);
152 int esa_amp_enable(struct esa_softc *);
153 void esa_enable_interrupts(struct esa_softc *);
154 u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *);
155
156 /* list management */
157 int esa_add_list(struct esa_voice *, struct esa_list *, u_int16_t,
158 int);
159 void esa_remove_list(struct esa_voice *, struct esa_list *, int);
160
161 /* power management */
162 int esa_power(struct esa_softc *, int);
163 void esa_powerhook(int, void *);
164 int esa_suspend(struct esa_softc *);
165 int esa_resume(struct esa_softc *);
166
167 static audio_encoding_t esa_encoding[] = {
168 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 0 },
169 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8,
170 AUDIO_ENCODINGFLAG_EMULATED },
171 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, AUDIO_ENCODINGFLAG_EMULATED },
172 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8,
173 AUDIO_ENCODINGFLAG_EMULATED }, /* XXX: Are you sure? */
174 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 0 },
175 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16,
176 AUDIO_ENCODINGFLAG_EMULATED },
177 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16,
178 AUDIO_ENCODINGFLAG_EMULATED },
179 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16,
180 AUDIO_ENCODINGFLAG_EMULATED }
181 };
182
183 #define ESA_NENCODINGS 8
184
185 struct audio_hw_if esa_hw_if = {
186 esa_open,
187 esa_close,
188 NULL, /* drain */
189 esa_query_encoding,
190 esa_set_params,
191 esa_round_blocksize,
192 esa_commit_settings,
193 NULL, /* init_output */
194 NULL, /* init_input */
195 NULL, /* start_output */
196 NULL, /* start_input */
197 esa_halt_output,
198 esa_halt_input,
199 NULL, /* speaker_ctl */
200 esa_getdev,
201 NULL, /* getfd */
202 esa_set_port,
203 esa_get_port,
204 esa_query_devinfo,
205 esa_malloc,
206 esa_free,
207 esa_round_buffersize,
208 esa_mappage,
209 esa_get_props,
210 esa_trigger_output,
211 esa_trigger_input
212 };
213
214 CFATTACH_DECL(esa, sizeof(struct esa_softc), esa_match, esa_attach,
215 esa_detach, NULL);
216
217 /*
218 * audio(9) functions
219 */
220
221 int
222 esa_open(void *hdl, int flags)
223 {
224
225 return (0);
226 }
227
228 void
229 esa_close(void *hdl)
230 {
231
232 return;
233 }
234
235 int
236 esa_query_encoding(void *hdl, struct audio_encoding *ae)
237 {
238
239 if (ae->index < 0 || ae->index >= ESA_NENCODINGS)
240 return (EINVAL);
241 *ae = esa_encoding[ae->index];
242
243 return (0);
244 }
245
246 int
247 esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play,
248 struct audio_params *rec)
249 {
250 struct esa_voice *vc = hdl;
251 //struct esa_softc *sc = (struct esa_softc *)vc->parent;
252 struct esa_channel *ch;
253 struct audio_params *p;
254 int mode;
255
256 for (mode = AUMODE_RECORD; mode != -1;
257 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) {
258 if ((setmode & mode) == 0)
259 continue;
260
261 switch (mode) {
262 case AUMODE_PLAY:
263 p = play;
264 ch = &vc->play;
265 break;
266 case AUMODE_RECORD:
267 p = rec;
268 ch = &vc->rec;
269 break;
270 }
271
272 if (p->sample_rate < ESA_MINRATE ||
273 p->sample_rate > ESA_MAXRATE ||
274 (p->precision != 8 && p->precision != 16) ||
275 (p->channels < 1 && p->channels > 2))
276 return (EINVAL);
277
278 p->factor = 1;
279 p->sw_code = 0;
280
281 switch(p->encoding) {
282 case AUDIO_ENCODING_SLINEAR_BE:
283 if (p->precision == 16)
284 p->sw_code = swap_bytes;
285 else
286 p->sw_code = change_sign8;
287 break;
288 case AUDIO_ENCODING_SLINEAR_LE:
289 if (p->precision != 16)
290 p->sw_code = change_sign8;
291 break;
292 case AUDIO_ENCODING_ULINEAR_BE:
293 if (p->precision == 16) {
294 if (mode == AUMODE_PLAY)
295 p->sw_code =
296 swap_bytes_change_sign16_le;
297 else
298 p->sw_code =
299 change_sign16_swap_bytes_le;
300 }
301 break;
302 case AUDIO_ENCODING_ULINEAR_LE:
303 if (p->precision == 16)
304 p->sw_code = change_sign16_le;
305 break;
306 case AUDIO_ENCODING_ULAW:
307 if (mode == AUMODE_PLAY) {
308 p->factor = 2;
309 p->sw_code = mulaw_to_slinear16_le;
310 } else
311 p->sw_code = ulinear8_to_mulaw;
312 break;
313 case AUDIO_ENCODING_ALAW:
314 if (mode == AUMODE_PLAY) {
315 p->factor = 2;
316 p->sw_code = alaw_to_slinear16_le;
317 } else
318 p->sw_code = ulinear8_to_alaw;
319 break;
320 default:
321 return (EINVAL);
322 }
323
324 ch->mode = *p;
325 }
326
327 return (0);
328 }
329
330 int
331 esa_commit_settings(void *hdl)
332 {
333 struct esa_voice *vc = hdl;
334 struct esa_softc *sc = (struct esa_softc *)vc->parent;
335 struct audio_params *p = &vc->play.mode;
336 struct audio_params *r = &vc->rec.mode;
337 u_int32_t data;
338 u_int32_t freq;
339 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
340 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
341 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
342 &~ 255;
343
344 /* playback */
345 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index);
346 if (p->channels == 1)
347 data = 1;
348 else
349 data = 0;
350 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
351 vc->play.data_offset + ESA_SRC3_MODE_OFFSET,
352 data);
353 if (p->precision * p->factor == 8)
354 data = 1;
355 else
356 data = 0;
357 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
358 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET,
359 data);
360 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) {
361 freq--;
362 }
363 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
364 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq);
365
366 /* recording */
367 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) +
368 (data_bytes / 2);
369 if (r->channels == 1)
370 data = 1;
371 else
372 data = 0;
373 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
374 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET,
375 data);
376 if (r->precision * r->factor == 8)
377 data = 1;
378 else
379 data = 0;
380 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
381 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET,
382 data);
383 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) {
384 freq--;
385 }
386 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
387 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq);
388
389 return (0);
390 };
391
392 int
393 esa_round_blocksize(void *hdl, int bs)
394 {
395 struct esa_voice *vc = hdl;
396
397 /*
398 * Surely there has to be a better solution...
399 */
400 vc->play.blksize = vc->rec.blksize = 4096;
401
402 return (vc->play.blksize);
403 }
404
405 int
406 esa_halt_output(void *hdl)
407 {
408 struct esa_voice *vc = hdl;
409 struct esa_softc *sc = (struct esa_softc *)vc->parent;
410 bus_space_tag_t iot = sc->sc_iot;
411 bus_space_handle_t ioh = sc->sc_ioh;
412 u_int16_t data;
413
414 if (vc->play.active == 0)
415 return (0);
416
417 vc->play.active = 0;
418
419 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
420 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0);
421
422 sc->sc_ntimers--;
423 if (sc->sc_ntimers == 0) {
424 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
425 ESA_KDATA_TIMER_COUNT_RELOAD, 0);
426 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
427 ESA_KDATA_TIMER_COUNT_CURRENT, 0);
428 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
429 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
430 data & ~ESA_CLKRUN_GEN_ENABLE);
431 }
432
433 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
434 ESA_KDATA_MIXER_TASK_NUMBER,
435 sc->mixer_list.indexmap[vc->index]);
436 /* remove ourselves from the packed lists */
437 esa_remove_list(vc, &sc->mixer_list, vc->index);
438 esa_remove_list(vc, &sc->dma_list, vc->index);
439 esa_remove_list(vc, &sc->msrc_list, vc->index);
440
441 return (0);
442 }
443
444 int
445 esa_halt_input(void *hdl)
446 {
447 struct esa_voice *vc = hdl;
448 struct esa_softc *sc = (struct esa_softc *)vc->parent;
449 bus_space_tag_t iot = sc->sc_iot;
450 bus_space_handle_t ioh = sc->sc_ioh;
451 u_int32_t data;
452
453 if (vc->rec.active == 0)
454 return (0);
455
456 vc->rec.active = 0;
457
458 sc->sc_ntimers--;
459 if (sc->sc_ntimers == 0) {
460 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
461 ESA_KDATA_TIMER_COUNT_RELOAD, 0);
462 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
463 ESA_KDATA_TIMER_COUNT_CURRENT, 0);
464 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
465 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
466 data & ~ESA_CLKRUN_GEN_ENABLE);
467 }
468
469 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset +
470 ESA_CDATA_INSTANCE_READY, 0);
471 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST,
472 0);
473
474 /* remove ourselves from the packed lists */
475 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES);
476 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES);
477 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES);
478
479 return (0);
480 }
481
482 void *
483 esa_malloc(void *hdl, int direction, size_t size, struct malloc_type *type,
484 int flags)
485 {
486 struct esa_voice *vc = hdl;
487 struct esa_softc *sc = (struct esa_softc *)vc->parent;
488 struct esa_dma *p;
489 int error;
490
491 p = malloc(sizeof(*p), type, flags);
492 if (!p)
493 return (0);
494 error = esa_allocmem(sc, size, 16, p);
495 if (error) {
496 free(p, type);
497 printf("%s: esa_malloc: not enough memory\n",
498 sc->sc_dev.dv_xname);
499 return (0);
500 }
501 p->next = vc->dma;
502 vc->dma = p;
503
504 return (KERNADDR(p));
505 }
506
507 void
508 esa_free(void *hdl, void *addr, struct malloc_type *type)
509 {
510 struct esa_voice *vc = hdl;
511 struct esa_softc *sc = (struct esa_softc *)vc->parent;
512 struct esa_dma *p;
513 struct esa_dma **pp;
514
515 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next)
516 if (KERNADDR(p) == addr) {
517 esa_freemem(sc, p);
518 *pp = p->next;
519 free(p, type);
520 return;
521 }
522 }
523
524 int
525 esa_getdev(void *hdl, struct audio_device *ret)
526 {
527
528 *ret = esa_device;
529
530 return (0);
531 }
532
533 int
534 esa_set_port(void *hdl, mixer_ctrl_t *mc)
535 {
536 struct esa_voice *vc = hdl;
537 struct esa_softc *sc = (struct esa_softc *)vc->parent;
538
539 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc));
540 }
541
542 int
543 esa_get_port(void *hdl, mixer_ctrl_t *mc)
544 {
545 struct esa_voice *vc = hdl;
546 struct esa_softc *sc = (struct esa_softc *)vc->parent;
547
548 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc));
549 }
550
551 int
552 esa_query_devinfo(void *hdl, mixer_devinfo_t *di)
553 {
554 struct esa_voice *vc = hdl;
555 struct esa_softc *sc = (struct esa_softc *)vc->parent;
556
557 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di));
558 }
559
560 size_t
561 esa_round_buffersize(void *hdl, int direction, size_t bufsize)
562 {
563 struct esa_voice *vc = hdl;
564
565 /*
566 * We must be able to do better than this...
567 */
568 vc->play.bufsize = vc->rec.bufsize = 65536;
569
570 return (vc->play.bufsize);
571 }
572
573 int
574 esa_get_props(void *hdl)
575 {
576
577 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX);
578 }
579
580 int
581 esa_trigger_output(void *hdl, void *start, void *end, int blksize,
582 void (*intr)(void *), void *intrarg,
583 struct audio_params *param)
584 {
585 struct esa_voice *vc = hdl;
586 struct esa_softc *sc = (struct esa_softc *)vc->parent;
587 struct esa_dma *p;
588 bus_space_tag_t iot = sc->sc_iot;
589 bus_space_handle_t ioh = sc->sc_ioh;
590 u_int32_t data;
591 u_int32_t bufaddr;
592 u_int32_t i;
593 size_t size;
594
595 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
596 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
597 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
598 &~ 255;
599 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index);
600 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
601 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
602 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2);
603 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1;
604
605 if (vc->play.active)
606 return (EINVAL);
607
608 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next)
609 ;
610 if (!p) {
611 printf("%s: esa_trigger_output: bad addr %p\n",
612 sc->sc_dev.dv_xname, start);
613 return (EINVAL);
614 }
615
616 vc->play.active = 1;
617 vc->play.intr = intr;
618 vc->play.arg = intrarg;
619 vc->play.pos = 0;
620 vc->play.count = 0;
621 vc->play.buf = start;
622 size = (size_t)(((caddr_t)end - (caddr_t)start));
623 bufaddr = DMAADDR(p);
624 vc->play.start = bufaddr;
625
626 #define LO(x) ((x) & 0x0000ffff)
627 #define HI(x) ((x) >> 16)
628
629 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
630 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr));
631 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
632 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr));
633 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
634 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size));
635 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
636 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size));
637 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
638 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr));
639 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
640 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr));
641
642 /* DSP buffers */
643 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
644 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf);
645 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
646 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2));
647 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
648 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf);
649 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
650 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf);
651 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
652 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf);
653 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
654 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2));
655 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
656 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf);
657 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
658 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf);
659
660 /* Some per-client initializers */
661 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
662 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8);
663 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
664 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC);
665 /* Enable or disable low-pass filter? (0xff if rate > 45000) */
666 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
667 ESA_SRC3_DIRECTION_OFFSET + 22,
668 vc->play.mode.sample_rate > 45000 ? 0xff : 0);
669 /* Tell it which way DMA is going */
670 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
671 ESA_CDATA_DMA_CONTROL,
672 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR +
673 ESA_DMAC_BLOCKF_SELECTOR);
674
675 /* Set an armload of static initializers */
676 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++)
677 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
678 esa_playvals[i].addr, esa_playvals[i].val);
679
680 /* Put us in the packed task lists */
681 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT,
682 vc->index);
683 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT,
684 vc->index);
685 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT,
686 vc->index);
687 #undef LO
688 #undef HI
689
690 /* XXX */
691 //esa_commit_settings(vc);
692
693 sc->sc_ntimers++;
694
695 if (sc->sc_ntimers == 1) {
696 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
697 ESA_KDATA_TIMER_COUNT_RELOAD, 240);
698 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
699 ESA_KDATA_TIMER_COUNT_CURRENT, 240);
700 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
701 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
702 data | ESA_CLKRUN_GEN_ENABLE);
703 }
704
705 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
706 ESA_CDATA_INSTANCE_READY, 1);
707 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
708 ESA_KDATA_MIXER_TASK_NUMBER,
709 sc->mixer_list.indexmap[vc->index]);
710
711 return (0);
712 }
713
714 int
715 esa_trigger_input(void *hdl, void *start, void *end, int blksize,
716 void (*intr)(void *), void *intrarg,
717 struct audio_params *param)
718 {
719 struct esa_voice *vc = hdl;
720 struct esa_softc *sc = (struct esa_softc *)vc->parent;
721 struct esa_dma *p;
722 bus_space_tag_t iot = sc->sc_iot;
723 bus_space_handle_t ioh = sc->sc_ioh;
724 u_int32_t data;
725 u_int32_t bufaddr;
726 u_int32_t i;
727 size_t size;
728 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
729 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
730 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
731 &~ 255;
732 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) +
733 (data_bytes / 2);
734 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
735 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
736 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2);
737 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1;
738 vc->rec.data_offset = adc_data;
739
740 /* We only support 1 recording channel */
741 if (vc->index > 0)
742 return (ENODEV);
743
744 if (vc->rec.active)
745 return (EINVAL);
746
747 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next)
748 ;
749 if (!p) {
750 printf("%s: esa_trigger_input: bad addr %p\n",
751 sc->sc_dev.dv_xname, start);
752 return (EINVAL);
753 }
754
755 vc->rec.active = 1;
756 vc->rec.intr = intr;
757 vc->rec.arg = intrarg;
758 vc->rec.pos = 0;
759 vc->rec.count = 0;
760 vc->rec.buf = start;
761 size = (size_t)(((caddr_t)end - (caddr_t)start));
762 bufaddr = DMAADDR(p);
763 vc->rec.start = bufaddr;
764
765 #define LO(x) ((x) & 0x0000ffff)
766 #define HI(x) ((x) >> 16)
767
768 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
769 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr));
770 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
771 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr));
772 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
773 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size));
774 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
775 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size));
776 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
777 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr));
778 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
779 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr));
780
781 /* DSP buffers */
782 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
783 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf);
784 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
785 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2));
786 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
787 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf);
788 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
789 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf);
790 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
791 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf);
792 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
793 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2));
794 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
795 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf);
796 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
797 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf);
798
799 /* Some per-client initializers */
800 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
801 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8);
802 /* Tell it which way DMA is going */
803 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
804 ESA_CDATA_DMA_CONTROL,
805 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT +
806 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR);
807
808 /* Set an armload of static initializers */
809 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++)
810 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
811 esa_recvals[i].addr, esa_recvals[i].val);
812
813 /* Put us in the packed task lists */
814 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT,
815 vc->index + ESA_NUM_VOICES);
816 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT,
817 vc->index + ESA_NUM_VOICES);
818 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT,
819 vc->index + ESA_NUM_VOICES);
820 #undef LO
821 #undef HI
822
823 /* XXX */
824 //esa_commit_settings(vc);
825
826 sc->sc_ntimers++;
827 if (sc->sc_ntimers == 1) {
828 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
829 ESA_KDATA_TIMER_COUNT_RELOAD, 240);
830 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
831 ESA_KDATA_TIMER_COUNT_CURRENT, 240);
832 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
833 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
834 data | ESA_CLKRUN_GEN_ENABLE);
835 }
836
837 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
838 ESA_CDATA_INSTANCE_READY, 1);
839 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST,
840 1);
841
842 return (0);
843 }
844
845 /* Interrupt handler */
846
847 int
848 esa_intr(void *hdl)
849 {
850 struct esa_softc *sc = hdl;
851 struct esa_voice *vc;
852 bus_space_tag_t iot = sc->sc_iot;
853 bus_space_handle_t ioh = sc->sc_ioh;
854 u_int8_t status, ctl;
855 u_int32_t pos;
856 u_int32_t diff;
857 u_int32_t play_blksize, play_bufsize;
858 u_int32_t rec_blksize, rec_bufsize;
859 int i;
860
861 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS);
862 if (status == 0xff)
863 return (0);
864
865 /* ack the interrupt */
866 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status);
867
868 if (status & ESA_HV_INT_PENDING) {
869 u_int8_t event;
870
871 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname);
872 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER);
873 switch(event) {
874 case 0x99:
875 case 0xaa:
876 case 0x66:
877 case 0x88:
878 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname);
879 break;
880 default:
881 printf("%s: unknown hwvol event 0x%02x\n",
882 sc->sc_dev.dv_xname, event);
883 break;
884 }
885 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88);
886 }
887
888 if (status & ESA_ASSP_INT_PENDING) {
889 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B);
890 if (!(ctl & ESA_STOP_ASSP_CLOCK)) {
891 ctl = bus_space_read_1(iot, ioh,
892 ESA_ASSP_HOST_INT_STATUS);
893 if (ctl & ESA_DSP2HOST_REQ_TIMER) {
894 bus_space_write_1(iot, ioh,
895 ESA_ASSP_HOST_INT_STATUS,
896 ESA_DSP2HOST_REQ_TIMER);
897 for (i = 0; i < ESA_NUM_VOICES; i++) {
898 vc = &sc->voice[i];
899 if (vc->play.active) {
900 play_blksize = vc->play.blksize;
901 play_bufsize = vc->play.bufsize;
902 pos = esa_get_pointer(sc, &vc->play)
903 % play_bufsize;
904 diff = (play_bufsize + pos - vc->play.pos)
905 % play_bufsize;
906 vc->play.pos = pos;
907 vc->play.count += diff;
908 while(vc->play.count >= play_blksize) {
909 vc->play.count -= play_blksize;
910 (*vc->play.intr)(vc->play.arg);
911 }
912 }
913 if (vc->rec.active) {
914 rec_blksize = vc->rec.blksize;
915 rec_bufsize = vc->rec.bufsize;
916 pos = esa_get_pointer(sc, &vc->rec)
917 % rec_bufsize;
918 diff = (rec_bufsize + pos - vc->rec.pos)
919 % rec_bufsize;
920 vc->rec.pos = pos;
921 vc->rec.count += diff;
922 while(vc->rec.count >= rec_blksize) {
923 vc->rec.count -= rec_blksize;
924 (*vc->rec.intr)(vc->rec.arg);
925 }
926 }
927 }
928 }
929 }
930 }
931
932 return (1);
933 }
934
935 int
936 esa_allocmem(struct esa_softc *sc, size_t size, size_t align,
937 struct esa_dma *p)
938 {
939 int error;
940
941 p->size = size;
942 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0,
943 p->segs, sizeof(p->segs) / sizeof(p->segs[0]),
944 &p->nsegs, BUS_DMA_NOWAIT);
945 if (error)
946 return (error);
947
948 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size,
949 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
950 if (error)
951 goto free;
952
953 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0,
954 BUS_DMA_NOWAIT, &p->map);
955 if (error)
956 goto unmap;
957
958 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL,
959 BUS_DMA_NOWAIT);
960 if (error)
961 goto destroy;
962
963 return (0);
964
965 destroy:
966 bus_dmamap_destroy(sc->sc_dmat, p->map);
967 unmap:
968 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
969 free:
970 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
971
972 return (error);
973 }
974
975 int
976 esa_freemem(struct esa_softc *sc, struct esa_dma *p)
977 {
978
979 bus_dmamap_unload(sc->sc_dmat, p->map);
980 bus_dmamap_destroy(sc->sc_dmat, p->map);
981 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
982 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
983
984 return (0);
985 }
986
987 /*
988 * Supporting Subroutines
989 */
990
991 int
992 esa_match(struct device *dev, struct cfdata *match, void *aux)
993 {
994 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
995
996 switch(PCI_VENDOR(pa->pa_id)) {
997 case PCI_VENDOR_ESSTECH:
998 switch(PCI_PRODUCT(pa->pa_id)) {
999 case PCI_PRODUCT_ESSTECH_ALLEGRO1:
1000 case PCI_PRODUCT_ESSTECH_MAESTRO3:
1001 case PCI_PRODUCT_ESSTECH_MAESTRO3_2:
1002 return (1);
1003 }
1004 }
1005
1006 return (0);
1007 }
1008
1009 void
1010 esa_attach(struct device *parent, struct device *self, void *aux)
1011 {
1012 struct esa_softc *sc = (struct esa_softc *)self;
1013 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
1014 pcitag_t tag = pa->pa_tag;
1015 pci_chipset_tag_t pc = pa->pa_pc;
1016 pci_intr_handle_t ih;
1017 struct esa_card_type *card;
1018 const char *intrstr;
1019 u_int32_t data;
1020 char devinfo[256];
1021 int revision, len;
1022 int i;
1023
1024 aprint_naive(": Audio controller\n");
1025
1026 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
1027 revision = PCI_REVISION(pa->pa_class);
1028 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, revision);
1029
1030 for (card = esa_card_types; card->pci_vendor_id; card++)
1031 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id &&
1032 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) {
1033 sc->type = card->type;
1034 sc->delay1 = card->delay1;
1035 sc->delay2 = card->delay2;
1036 break;
1037 }
1038
1039 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
1040 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE
1041 | PCI_COMMAND_MASTER_ENABLE);
1042 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data);
1043
1044 /* Map I/O register */
1045 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
1046 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) {
1047 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
1048 return;
1049 }
1050
1051 /* Initialize softc */
1052 sc->sc_tag = tag;
1053 sc->sc_pct = pc;
1054 sc->sc_dmat = pa->pa_dmat;
1055
1056 /* Map and establish an interrupt */
1057 if (pci_intr_map(pa, &ih)) {
1058 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname);
1059 return;
1060 }
1061 intrstr = pci_intr_string(pc, ih);
1062 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self);
1063 if (sc->sc_ih == NULL) {
1064 aprint_error("%s: can't establish interrupt",
1065 sc->sc_dev.dv_xname);
1066 if (intrstr != NULL)
1067 aprint_normal(" at %s", intrstr);
1068 aprint_normal("\n");
1069 return;
1070 }
1071 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
1072
1073 /* Power up chip */
1074 esa_power(sc, PCI_PMCSR_STATE_D0);
1075
1076 /* Init chip */
1077 if (esa_init(sc) == -1) {
1078 aprint_error("%s: esa_attach: unable to initialize the card\n",
1079 sc->sc_dev.dv_xname);
1080 return;
1081 }
1082
1083 /* create suspend save area */
1084 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH
1085 + ESA_REV_B_DATA_MEMORY_LENGTH + 1);
1086 sc->savemem = (u_int16_t *)malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO);
1087 if (sc->savemem == NULL) {
1088 aprint_error("%s: unable to allocate suspend buffer\n",
1089 sc->sc_dev.dv_xname);
1090 return;
1091 }
1092
1093 /*
1094 * Every card I've seen has had their channels swapped with respect
1095 * to the mixer. Ie:
1096 * $ mixerctl -w outputs.master=0,191
1097 * Would result in the _right_ speaker being turned off.
1098 *
1099 * So, we will swap the left and right mixer channels to compensate
1100 * for this.
1101 */
1102 sc->codec_flags = AC97_HOST_SWAPPED_CHANNELS;
1103
1104 /* Attach AC97 host interface */
1105 sc->host_if.arg = self;
1106 sc->host_if.attach = esa_attach_codec;
1107 sc->host_if.read = esa_read_codec;
1108 sc->host_if.write = esa_write_codec;
1109 sc->host_if.reset = esa_reset_codec;
1110 sc->host_if.flags = esa_flags_codec;
1111
1112 if (ac97_attach(&sc->host_if) != 0)
1113 return;
1114
1115 /* initialize list management structures */
1116 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0;
1117 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS;
1118 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0;
1119 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS;
1120 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0;
1121 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS;
1122 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC;
1123 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC;
1124
1125 /* initialize index maps */
1126 for (i = 0; i < ESA_NUM_VOICES * 2; i++) {
1127 sc->mixer_list.indexmap[i] = -1;
1128 sc->msrc_list.indexmap[i] = -1;
1129 sc->dma_list.indexmap[i] = -1;
1130 sc->adc1_list.indexmap[i] = -1;
1131 }
1132 for (i = 0; i < ESA_NUM_VOICES; i++) {
1133 sc->voice[i].parent = (struct device *)sc;
1134 sc->voice[i].index = i;
1135 sc->sc_audiodev[i] =
1136 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev);
1137 }
1138
1139 sc->powerhook = powerhook_establish(esa_powerhook, sc);
1140 if (sc->powerhook == NULL)
1141 aprint_error("%s: WARNING: unable to establish powerhook\n",
1142 sc->sc_dev.dv_xname);
1143
1144 return;
1145 }
1146
1147 int
1148 esa_detach(struct device *self, int flags)
1149 {
1150 struct esa_softc *sc = (struct esa_softc *)self;
1151 int i;
1152
1153 for (i = 0; i < ESA_NUM_VOICES; i++) {
1154 if (sc->sc_audiodev[i] != NULL)
1155 config_detach(sc->sc_audiodev[i], flags);
1156 }
1157
1158 if (sc->sc_ih != NULL)
1159 pci_intr_disestablish(sc->sc_pct, sc->sc_ih);
1160 if (sc->sc_ios)
1161 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
1162
1163 free(sc->savemem, M_DEVBUF);
1164
1165 return (0);
1166 }
1167
1168 u_int16_t
1169 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index)
1170 {
1171 u_int16_t data;
1172 bus_space_tag_t iot = sc->sc_iot;
1173 bus_space_handle_t ioh = sc->sc_ioh;
1174
1175 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE,
1176 region & ESA_MEMTYPE_MASK);
1177 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index);
1178 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA);
1179
1180 return (data);
1181 }
1182
1183 void
1184 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index,
1185 u_int16_t data)
1186 {
1187 bus_space_tag_t iot = sc->sc_iot;
1188 bus_space_handle_t ioh = sc->sc_ioh;
1189
1190 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE,
1191 region & ESA_MEMTYPE_MASK);
1192 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index);
1193 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data);
1194
1195 return;
1196 }
1197
1198 int
1199 esa_init_codec(struct esa_softc *sc)
1200 {
1201 bus_space_tag_t iot = sc->sc_iot;
1202 bus_space_handle_t ioh = sc->sc_ioh;
1203 u_int32_t data;
1204
1205 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND);
1206
1207 return ((data & 0x1) ? 0 : 1);
1208 }
1209
1210 int
1211 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if)
1212 {
1213 struct esa_softc *sc = aux;
1214
1215 sc->codec_if = codec_if;
1216
1217 return (0);
1218 }
1219
1220 int
1221 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result)
1222 {
1223 struct esa_softc *sc = aux;
1224 bus_space_tag_t iot = sc->sc_iot;
1225 bus_space_handle_t ioh = sc->sc_ioh;
1226
1227 if (esa_wait(sc))
1228 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname);
1229 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80);
1230 delay(50);
1231 if (esa_wait(sc))
1232 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname);
1233 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA);
1234
1235 return (0);
1236 }
1237
1238 int
1239 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data)
1240 {
1241 struct esa_softc *sc = aux;
1242 bus_space_tag_t iot = sc->sc_iot;
1243 bus_space_handle_t ioh = sc->sc_ioh;
1244
1245 if (esa_wait(sc)) {
1246 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname);
1247 return (-1);
1248 }
1249 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data);
1250 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f);
1251 delay(50);
1252
1253 return (0);
1254 }
1255
1256 void
1257 esa_reset_codec(void *aux)
1258 {
1259
1260 return;
1261 }
1262
1263 enum ac97_host_flags
1264 esa_flags_codec(void *aux)
1265 {
1266 struct esa_softc *sc = aux;
1267
1268 return (sc->codec_flags);
1269 }
1270
1271 int
1272 esa_wait(struct esa_softc *sc)
1273 {
1274 int i, val;
1275 bus_space_tag_t iot = sc->sc_iot;
1276 bus_space_handle_t ioh = sc->sc_ioh;
1277
1278 for (i = 0; i < 20; i++) {
1279 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS);
1280 if ((val & 1) == 0)
1281 return (0);
1282 delay(2);
1283 }
1284
1285 return (-1);
1286 }
1287
1288 int
1289 esa_init(struct esa_softc *sc)
1290 {
1291 struct esa_voice *vc;
1292 bus_space_tag_t iot = sc->sc_iot;
1293 bus_space_handle_t ioh = sc->sc_ioh;
1294 pcitag_t tag = sc->sc_tag;
1295 pci_chipset_tag_t pc = sc->sc_pct;
1296 u_int32_t data, i, size;
1297 u_int8_t reset_state;
1298 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
1299 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
1300 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
1301 &~ 255;
1302
1303 /* Disable legacy emulation */
1304 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL);
1305 data |= DISABLE_LEGACY;
1306 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data);
1307
1308 esa_config(sc);
1309
1310 reset_state = esa_assp_halt(sc);
1311
1312 esa_init_codec(sc);
1313 esa_codec_reset(sc);
1314
1315 /* Zero kernel and mixer data */
1316 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA;
1317 for (i = 0; i < size / 2; i++) {
1318 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1319 ESA_KDATA_BASE_ADDR + i, 0);
1320 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1321 ESA_KDATA_BASE_ADDR2 + i, 0);
1322 }
1323
1324 /* Init DMA pointer */
1325 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA,
1326 ESA_KDATA_DMA_XFER0);
1327
1328 /* Write kernel code into memory */
1329 size = sizeof(esa_assp_kernel_image);
1330 for (i = 0; i < size / 2; i++)
1331 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1332 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]);
1333
1334 size = sizeof(esa_assp_minisrc_image);
1335 for (i = 0; i < size / 2; i++)
1336 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i,
1337 esa_assp_minisrc_image[i]);
1338
1339 /* Write the coefficients for the low pass filter */
1340 size = sizeof(esa_minisrc_lpf_image);
1341 for (i = 0; i < size / 2; i++)
1342 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1343 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]);
1344 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1345 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000);
1346 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400);
1347 /* Init the mixer number */
1348 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1349 ESA_KDATA_MIXER_TASK_NUMBER, 0);
1350 /* Extreme kernel master volume */
1351 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1352 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME);
1353 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1354 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME);
1355
1356 if (esa_amp_enable(sc))
1357 return (-1);
1358
1359 /* Zero entire DAC/ADC area */
1360 for (i = 0x1100; i < 0x1c00; i++)
1361 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0);
1362
1363 /* set some sane defaults */
1364 for (i = 0; i < ESA_NUM_VOICES; i++) {
1365 vc = &sc->voice[i];
1366 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i);
1367 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2);
1368 }
1369
1370 esa_enable_interrupts(sc);
1371
1372 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1373 reset_state | ESA_REGB_ENABLE_RESET);
1374
1375 return (0);
1376 }
1377
1378 void
1379 esa_config(struct esa_softc *sc)
1380 {
1381 bus_space_tag_t iot = sc->sc_iot;
1382 bus_space_handle_t ioh = sc->sc_ioh;
1383 pcitag_t tag = sc->sc_tag;
1384 pci_chipset_tag_t pc = sc->sc_pct;
1385 u_int32_t data;
1386
1387 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG);
1388 data &= ESA_REDUCED_DEBOUNCE;
1389 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING;
1390 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data);
1391
1392 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP);
1393 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG);
1394 data &= ~ESA_INT_CLK_SELECT;
1395 if (sc->type == ESS_MAESTRO3) {
1396 data &= ~ESA_INT_CLK_MULT_ENABLE;
1397 data |= ESA_INT_CLK_SRC_NOT_PCI;
1398 }
1399 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2);
1400 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data);
1401
1402 if (sc->type == ESS_ALLEGRO1) {
1403 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG);
1404 data |= ESA_IN_CLK_12MHZ_SELECT;
1405 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data);
1406 }
1407
1408 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A);
1409 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT);
1410 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */
1411 data |= ESA_ASSP_0_WS_ENABLE;
1412 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data);
1413
1414 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP);
1415
1416 return;
1417 }
1418
1419 u_int8_t
1420 esa_assp_halt(struct esa_softc *sc)
1421 {
1422 bus_space_tag_t iot = sc->sc_iot;
1423 bus_space_handle_t ioh = sc->sc_ioh;
1424 u_int8_t data, reset_state;
1425
1426 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B);
1427 reset_state = data & ~ESA_REGB_STOP_CLOCK;
1428 delay(10000); /* XXX use tsleep */
1429 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1430 reset_state & ~ESA_REGB_ENABLE_RESET);
1431 delay(10000); /* XXX use tsleep */
1432
1433 return (reset_state);
1434 }
1435
1436 void
1437 esa_codec_reset(struct esa_softc *sc)
1438 {
1439 bus_space_tag_t iot = sc->sc_iot;
1440 bus_space_handle_t ioh = sc->sc_ioh;
1441 u_int16_t data, dir;
1442 int retry = 0;
1443
1444 do {
1445 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION);
1446 dir = data | 0x10; /* assuming pci bus master? */
1447
1448 /* remote codec config */
1449 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B);
1450 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B,
1451 data & ~ESA_SECOND_CODEC_ID_MASK);
1452 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL);
1453 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL,
1454 data & ~ESA_COMMAND_ADDR_OUT);
1455 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL);
1456 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL,
1457 data & ~ESA_STATUS_ADDR_IN);
1458
1459 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A,
1460 ESA_IO_SRAM_ENABLE);
1461 delay(20);
1462
1463 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION,
1464 dir & ~ESA_GPO_PRIMARY_AC97);
1465 bus_space_write_2(iot, ioh, ESA_GPIO_MASK,
1466 ~ESA_GPO_PRIMARY_AC97);
1467 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0);
1468 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION,
1469 dir | ESA_GPO_PRIMARY_AC97);
1470 delay(sc->delay1 * 1000);
1471 bus_space_write_2(iot, ioh, ESA_GPIO_DATA,
1472 ESA_GPO_PRIMARY_AC97);
1473 delay(5);
1474 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A,
1475 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE);
1476 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0);
1477 delay(sc->delay2 * 1000);
1478
1479 esa_read_codec(sc, 0x7c, &data);
1480 if ((data == 0) || (data == 0xffff)) {
1481 retry++;
1482 if (retry > 3) {
1483 printf("%s: esa_codec_reset: failed\n",
1484 sc->sc_dev.dv_xname);
1485 break;
1486 }
1487 printf("%s: esa_codec_reset: retrying\n",
1488 sc->sc_dev.dv_xname);
1489 } else
1490 retry = 0;
1491 } while (retry);
1492
1493 return;
1494 }
1495
1496 int
1497 esa_amp_enable(struct esa_softc *sc)
1498 {
1499 bus_space_tag_t iot = sc->sc_iot;
1500 bus_space_handle_t ioh = sc->sc_ioh;
1501 u_int32_t gpo, polarity_port, polarity;
1502 u_int16_t data;
1503
1504 switch (sc->type) {
1505 case ESS_ALLEGRO1:
1506 polarity_port = 0x1800;
1507 break;
1508 case ESS_MAESTRO3:
1509 polarity_port = 0x1100;
1510 break;
1511 default:
1512 printf("%s: esa_amp_enable: Unknown chip type!!!\n",
1513 sc->sc_dev.dv_xname);
1514 return (1);
1515 }
1516
1517 gpo = (polarity_port >> 8) & 0x0f;
1518 polarity = polarity_port >> 12;
1519 polarity = !polarity; /* Enable */
1520 polarity = polarity << gpo;
1521 gpo = 1 << gpo;
1522 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo);
1523 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION);
1524 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo);
1525 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity;
1526 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data);
1527 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0);
1528
1529 return (0);
1530 }
1531
1532 void
1533 esa_enable_interrupts(struct esa_softc *sc)
1534 {
1535 bus_space_tag_t iot = sc->sc_iot;
1536 bus_space_handle_t ioh = sc->sc_ioh;
1537 u_int8_t data;
1538
1539 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
1540 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE);
1541 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C);
1542 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C,
1543 data | ESA_ASSP_HOST_INT_ENABLE);
1544 }
1545
1546 /*
1547 * List management
1548 */
1549 int
1550 esa_add_list(struct esa_voice *vc, struct esa_list *el,
1551 u_int16_t val, int index)
1552 {
1553 struct esa_softc *sc = (struct esa_softc *)vc->parent;
1554
1555 el->indexmap[index] = el->currlen;
1556 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1557 el->mem_addr + el->currlen,
1558 val);
1559
1560 return (el->currlen++);
1561 }
1562
1563 void
1564 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index)
1565 {
1566 struct esa_softc *sc = (struct esa_softc *)vc->parent;
1567 u_int16_t val;
1568 int lastindex = el->currlen - 1;
1569 int vindex = el->indexmap[index];
1570 int i;
1571
1572 /* reset our virtual index */
1573 el->indexmap[index] = -1;
1574
1575 if (vindex != lastindex) {
1576 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1577 el->mem_addr + lastindex);
1578 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1579 el->mem_addr + vindex,
1580 val);
1581 for (i = 0; i < ESA_NUM_VOICES * 2; i++)
1582 if (el->indexmap[i] == lastindex)
1583 break;
1584 if (i >= ESA_NUM_VOICES * 2)
1585 printf("%s: esa_remove_list: invalid task index\n",
1586 sc->sc_dev.dv_xname);
1587 else
1588 el->indexmap[i] = vindex;
1589 }
1590
1591 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1592 el->mem_addr + lastindex, 0);
1593 el->currlen--;
1594
1595 return;
1596 }
1597
1598 int
1599 esa_power(struct esa_softc *sc, int state)
1600 {
1601 pcitag_t tag = sc->sc_tag;
1602 pci_chipset_tag_t pc = sc->sc_pct;
1603 pcireg_t data;
1604 int pmcapreg;
1605
1606 if (pci_get_capability(pc, tag, PCI_CAP_PWRMGMT, &pmcapreg, 0)) {
1607 data = pci_conf_read(pc, tag, pmcapreg + PCI_PMCSR);
1608 if ((data & PCI_PMCSR_STATE_MASK) != state)
1609 pci_conf_write(pc, tag, pmcapreg + PCI_PMCSR, state);
1610 }
1611
1612 return (0);
1613 }
1614
1615 void
1616 esa_powerhook(int why, void *hdl)
1617 {
1618 struct esa_softc *sc = (struct esa_softc *)hdl;
1619
1620 switch (why) {
1621 case PWR_SUSPEND:
1622 case PWR_STANDBY:
1623 esa_suspend(sc);
1624 break;
1625 case PWR_RESUME:
1626 esa_resume(sc);
1627 (sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1628 break;
1629 }
1630 }
1631
1632 int
1633 esa_suspend(struct esa_softc *sc)
1634 {
1635 bus_space_tag_t iot = sc->sc_iot;
1636 bus_space_handle_t ioh = sc->sc_ioh;
1637 int i, index;
1638
1639 index = 0;
1640
1641 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0);
1642 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0);
1643
1644 esa_assp_halt(sc);
1645
1646 /* Save ASSP state */
1647 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END;
1648 i++)
1649 sc->savemem[index++] = esa_read_assp(sc,
1650 ESA_MEMTYPE_INTERNAL_CODE, i);
1651 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END;
1652 i++)
1653 sc->savemem[index++] = esa_read_assp(sc,
1654 ESA_MEMTYPE_INTERNAL_DATA, i);
1655
1656 esa_power(sc, PCI_PMCSR_STATE_D3);
1657
1658 return (0);
1659 }
1660
1661 int
1662 esa_resume(struct esa_softc *sc) {
1663 bus_space_tag_t iot = sc->sc_iot;
1664 bus_space_handle_t ioh = sc->sc_ioh;
1665 int i, index;
1666 u_int8_t reset_state;
1667
1668 index = 0;
1669
1670 esa_power(sc, PCI_PMCSR_STATE_D0);
1671 delay(10000);
1672
1673 esa_config(sc);
1674
1675 reset_state = esa_assp_halt(sc);
1676
1677 esa_codec_reset(sc);
1678
1679 /* restore ASSP */
1680 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END;
1681 i++)
1682 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i,
1683 sc->savemem[index++]);
1684 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END;
1685 i++)
1686 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i,
1687 sc->savemem[index++]);
1688
1689 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0);
1690 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1691 reset_state | ESA_REGB_ENABLE_RESET);
1692
1693 esa_enable_interrupts(sc);
1694 esa_amp_enable(sc);
1695
1696 return (0);
1697 }
1698
1699 u_int32_t
1700 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch)
1701 {
1702 u_int16_t hi = 0, lo = 0;
1703 u_int32_t addr;
1704 int data_offset = ch->data_offset;
1705
1706 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset +
1707 ESA_CDATA_HOST_SRC_CURRENTH);
1708 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset +
1709 ESA_CDATA_HOST_SRC_CURRENTL);
1710
1711 addr = lo | ((u_int32_t)hi << 16);
1712 return (addr - ch->start);
1713 }
1714
1715 paddr_t
1716 esa_mappage(void *addr, void *mem, off_t off, int prot)
1717 {
1718 struct esa_voice *vc = addr;
1719 struct esa_softc *sc = (struct esa_softc *)vc->parent;
1720 struct esa_dma *p;
1721
1722 if (off < 0)
1723 return (-1);
1724 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next)
1725 ;
1726 if (!p)
1727 return (-1);
1728 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs,
1729 off, prot, BUS_DMA_WAITOK));
1730 }
1731