FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/esa.c
1 /* $NetBSD: esa.c,v 1.22.2.1 2004/09/22 20:58:34 jmc Exp $ */
2
3 /*
4 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill@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@zabbo.net>
36 * and Andrew MacDonald <amac@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 1.22.2.1 2004/09/22 20:58:34 jmc 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 int 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 default:
271 return EINVAL;
272 }
273
274 if (p->sample_rate < ESA_MINRATE ||
275 p->sample_rate > ESA_MAXRATE ||
276 (p->precision != 8 && p->precision != 16) ||
277 (p->channels < 1 && p->channels > 2))
278 return (EINVAL);
279
280 p->factor = 1;
281 p->sw_code = 0;
282
283 switch(p->encoding) {
284 case AUDIO_ENCODING_SLINEAR_BE:
285 if (p->precision == 16)
286 p->sw_code = swap_bytes;
287 else
288 p->sw_code = change_sign8;
289 break;
290 case AUDIO_ENCODING_SLINEAR_LE:
291 if (p->precision != 16)
292 p->sw_code = change_sign8;
293 break;
294 case AUDIO_ENCODING_ULINEAR_BE:
295 if (p->precision == 16) {
296 if (mode == AUMODE_PLAY)
297 p->sw_code =
298 swap_bytes_change_sign16_le;
299 else
300 p->sw_code =
301 change_sign16_swap_bytes_le;
302 }
303 break;
304 case AUDIO_ENCODING_ULINEAR_LE:
305 if (p->precision == 16)
306 p->sw_code = change_sign16_le;
307 break;
308 case AUDIO_ENCODING_ULAW:
309 if (mode == AUMODE_PLAY) {
310 p->factor = 2;
311 p->sw_code = mulaw_to_slinear16_le;
312 } else
313 p->sw_code = ulinear8_to_mulaw;
314 break;
315 case AUDIO_ENCODING_ALAW:
316 if (mode == AUMODE_PLAY) {
317 p->factor = 2;
318 p->sw_code = alaw_to_slinear16_le;
319 } else
320 p->sw_code = ulinear8_to_alaw;
321 break;
322 default:
323 return (EINVAL);
324 }
325
326 ch->mode = *p;
327 }
328
329 return (0);
330 }
331
332 int
333 esa_commit_settings(void *hdl)
334 {
335 struct esa_voice *vc = hdl;
336 struct esa_softc *sc = (struct esa_softc *)vc->parent;
337 struct audio_params *p = &vc->play.mode;
338 struct audio_params *r = &vc->rec.mode;
339 u_int32_t data;
340 u_int32_t freq;
341 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
342 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
343 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
344 &~ 255;
345
346 /* playback */
347 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index);
348 if (p->channels == 1)
349 data = 1;
350 else
351 data = 0;
352 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
353 vc->play.data_offset + ESA_SRC3_MODE_OFFSET,
354 data);
355 if (p->precision * p->factor == 8)
356 data = 1;
357 else
358 data = 0;
359 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
360 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET,
361 data);
362 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) {
363 freq--;
364 }
365 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
366 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq);
367
368 /* recording */
369 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) +
370 (data_bytes / 2);
371 if (r->channels == 1)
372 data = 1;
373 else
374 data = 0;
375 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
376 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET,
377 data);
378 if (r->precision * r->factor == 8)
379 data = 1;
380 else
381 data = 0;
382 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
383 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET,
384 data);
385 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) {
386 freq--;
387 }
388 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
389 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq);
390
391 return (0);
392 };
393
394 int
395 esa_round_blocksize(void *hdl, int bs)
396 {
397 struct esa_voice *vc = hdl;
398
399 /*
400 * Surely there has to be a better solution...
401 */
402 vc->play.blksize = vc->rec.blksize = 4096;
403
404 return (vc->play.blksize);
405 }
406
407 int
408 esa_halt_output(void *hdl)
409 {
410 struct esa_voice *vc = hdl;
411 struct esa_softc *sc = (struct esa_softc *)vc->parent;
412 bus_space_tag_t iot = sc->sc_iot;
413 bus_space_handle_t ioh = sc->sc_ioh;
414 u_int16_t data;
415
416 if (vc->play.active == 0)
417 return (0);
418
419 vc->play.active = 0;
420
421 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
422 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0);
423
424 sc->sc_ntimers--;
425 if (sc->sc_ntimers == 0) {
426 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
427 ESA_KDATA_TIMER_COUNT_RELOAD, 0);
428 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
429 ESA_KDATA_TIMER_COUNT_CURRENT, 0);
430 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
431 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
432 data & ~ESA_CLKRUN_GEN_ENABLE);
433 }
434
435 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
436 ESA_KDATA_MIXER_TASK_NUMBER,
437 sc->mixer_list.indexmap[vc->index]);
438 /* remove ourselves from the packed lists */
439 esa_remove_list(vc, &sc->mixer_list, vc->index);
440 esa_remove_list(vc, &sc->dma_list, vc->index);
441 esa_remove_list(vc, &sc->msrc_list, vc->index);
442
443 return (0);
444 }
445
446 int
447 esa_halt_input(void *hdl)
448 {
449 struct esa_voice *vc = hdl;
450 struct esa_softc *sc = (struct esa_softc *)vc->parent;
451 bus_space_tag_t iot = sc->sc_iot;
452 bus_space_handle_t ioh = sc->sc_ioh;
453 u_int32_t data;
454
455 if (vc->rec.active == 0)
456 return (0);
457
458 vc->rec.active = 0;
459
460 sc->sc_ntimers--;
461 if (sc->sc_ntimers == 0) {
462 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
463 ESA_KDATA_TIMER_COUNT_RELOAD, 0);
464 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
465 ESA_KDATA_TIMER_COUNT_CURRENT, 0);
466 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
467 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
468 data & ~ESA_CLKRUN_GEN_ENABLE);
469 }
470
471 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset +
472 ESA_CDATA_INSTANCE_READY, 0);
473 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST,
474 0);
475
476 /* remove ourselves from the packed lists */
477 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES);
478 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES);
479 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES);
480
481 return (0);
482 }
483
484 void *
485 esa_malloc(void *hdl, int direction, size_t size, struct malloc_type *type,
486 int flags)
487 {
488 struct esa_voice *vc = hdl;
489 struct esa_softc *sc = (struct esa_softc *)vc->parent;
490 struct esa_dma *p;
491 int error;
492
493 p = malloc(sizeof(*p), type, flags);
494 if (!p)
495 return (0);
496 error = esa_allocmem(sc, size, 16, p);
497 if (error) {
498 free(p, type);
499 printf("%s: esa_malloc: not enough memory\n",
500 sc->sc_dev.dv_xname);
501 return (0);
502 }
503 p->next = vc->dma;
504 vc->dma = p;
505
506 return (KERNADDR(p));
507 }
508
509 void
510 esa_free(void *hdl, void *addr, struct malloc_type *type)
511 {
512 struct esa_voice *vc = hdl;
513 struct esa_softc *sc = (struct esa_softc *)vc->parent;
514 struct esa_dma *p;
515 struct esa_dma **pp;
516
517 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next)
518 if (KERNADDR(p) == addr) {
519 esa_freemem(sc, p);
520 *pp = p->next;
521 free(p, type);
522 return;
523 }
524 }
525
526 int
527 esa_getdev(void *hdl, struct audio_device *ret)
528 {
529
530 *ret = esa_device;
531
532 return (0);
533 }
534
535 int
536 esa_set_port(void *hdl, mixer_ctrl_t *mc)
537 {
538 struct esa_voice *vc = hdl;
539 struct esa_softc *sc = (struct esa_softc *)vc->parent;
540
541 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc));
542 }
543
544 int
545 esa_get_port(void *hdl, mixer_ctrl_t *mc)
546 {
547 struct esa_voice *vc = hdl;
548 struct esa_softc *sc = (struct esa_softc *)vc->parent;
549
550 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc));
551 }
552
553 int
554 esa_query_devinfo(void *hdl, mixer_devinfo_t *di)
555 {
556 struct esa_voice *vc = hdl;
557 struct esa_softc *sc = (struct esa_softc *)vc->parent;
558
559 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di));
560 }
561
562 size_t
563 esa_round_buffersize(void *hdl, int direction, size_t bufsize)
564 {
565 struct esa_voice *vc = hdl;
566
567 /*
568 * We must be able to do better than this...
569 */
570 vc->play.bufsize = vc->rec.bufsize = 65536;
571
572 return (vc->play.bufsize);
573 }
574
575 int
576 esa_get_props(void *hdl)
577 {
578
579 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX);
580 }
581
582 int
583 esa_trigger_output(void *hdl, void *start, void *end, int blksize,
584 void (*intr)(void *), void *intrarg,
585 struct audio_params *param)
586 {
587 struct esa_voice *vc = hdl;
588 struct esa_softc *sc = (struct esa_softc *)vc->parent;
589 struct esa_dma *p;
590 bus_space_tag_t iot = sc->sc_iot;
591 bus_space_handle_t ioh = sc->sc_ioh;
592 u_int32_t data;
593 u_int32_t bufaddr;
594 u_int32_t i;
595 size_t size;
596
597 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
598 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
599 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
600 &~ 255;
601 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index);
602 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
603 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
604 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2);
605 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1;
606
607 if (vc->play.active)
608 return (EINVAL);
609
610 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next)
611 ;
612 if (!p) {
613 printf("%s: esa_trigger_output: bad addr %p\n",
614 sc->sc_dev.dv_xname, start);
615 return (EINVAL);
616 }
617
618 vc->play.active = 1;
619 vc->play.intr = intr;
620 vc->play.arg = intrarg;
621 vc->play.pos = 0;
622 vc->play.count = 0;
623 vc->play.buf = start;
624 size = (size_t)(((caddr_t)end - (caddr_t)start));
625 bufaddr = DMAADDR(p);
626 vc->play.start = bufaddr;
627
628 #define LO(x) ((x) & 0x0000ffff)
629 #define HI(x) ((x) >> 16)
630
631 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
632 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr));
633 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
634 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr));
635 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
636 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size));
637 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
638 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size));
639 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
640 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr));
641 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
642 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr));
643
644 /* DSP buffers */
645 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
646 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf);
647 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
648 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2));
649 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
650 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf);
651 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
652 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf);
653 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
654 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf);
655 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
656 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2));
657 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
658 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf);
659 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
660 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf);
661
662 /* Some per-client initializers */
663 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
664 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8);
665 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
666 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC);
667 /* Enable or disable low-pass filter? (0xff if rate > 45000) */
668 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
669 ESA_SRC3_DIRECTION_OFFSET + 22,
670 vc->play.mode.sample_rate > 45000 ? 0xff : 0);
671 /* Tell it which way DMA is going */
672 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
673 ESA_CDATA_DMA_CONTROL,
674 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR +
675 ESA_DMAC_BLOCKF_SELECTOR);
676
677 /* Set an armload of static initializers */
678 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++)
679 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
680 esa_playvals[i].addr, esa_playvals[i].val);
681
682 /* Put us in the packed task lists */
683 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT,
684 vc->index);
685 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT,
686 vc->index);
687 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT,
688 vc->index);
689 #undef LO
690 #undef HI
691
692 /* XXX */
693 //esa_commit_settings(vc);
694
695 sc->sc_ntimers++;
696
697 if (sc->sc_ntimers == 1) {
698 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
699 ESA_KDATA_TIMER_COUNT_RELOAD, 240);
700 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
701 ESA_KDATA_TIMER_COUNT_CURRENT, 240);
702 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
703 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
704 data | ESA_CLKRUN_GEN_ENABLE);
705 }
706
707 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
708 ESA_CDATA_INSTANCE_READY, 1);
709 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
710 ESA_KDATA_MIXER_TASK_NUMBER,
711 sc->mixer_list.indexmap[vc->index]);
712
713 return (0);
714 }
715
716 int
717 esa_trigger_input(void *hdl, void *start, void *end, int blksize,
718 void (*intr)(void *), void *intrarg,
719 struct audio_params *param)
720 {
721 struct esa_voice *vc = hdl;
722 struct esa_softc *sc = (struct esa_softc *)vc->parent;
723 struct esa_dma *p;
724 bus_space_tag_t iot = sc->sc_iot;
725 bus_space_handle_t ioh = sc->sc_ioh;
726 u_int32_t data;
727 u_int32_t bufaddr;
728 u_int32_t i;
729 size_t size;
730 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
731 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
732 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
733 &~ 255;
734 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) +
735 (data_bytes / 2);
736 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
737 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
738 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2);
739 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1;
740 vc->rec.data_offset = adc_data;
741
742 /* We only support 1 recording channel */
743 if (vc->index > 0)
744 return (ENODEV);
745
746 if (vc->rec.active)
747 return (EINVAL);
748
749 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next)
750 ;
751 if (!p) {
752 printf("%s: esa_trigger_input: bad addr %p\n",
753 sc->sc_dev.dv_xname, start);
754 return (EINVAL);
755 }
756
757 vc->rec.active = 1;
758 vc->rec.intr = intr;
759 vc->rec.arg = intrarg;
760 vc->rec.pos = 0;
761 vc->rec.count = 0;
762 vc->rec.buf = start;
763 size = (size_t)(((caddr_t)end - (caddr_t)start));
764 bufaddr = DMAADDR(p);
765 vc->rec.start = bufaddr;
766
767 #define LO(x) ((x) & 0x0000ffff)
768 #define HI(x) ((x) >> 16)
769
770 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
771 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr));
772 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
773 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr));
774 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
775 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size));
776 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
777 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size));
778 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
779 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr));
780 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
781 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr));
782
783 /* DSP buffers */
784 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
785 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf);
786 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
787 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2));
788 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
789 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf);
790 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
791 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf);
792 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
793 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf);
794 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
795 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2));
796 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
797 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf);
798 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
799 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf);
800
801 /* Some per-client initializers */
802 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
803 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8);
804 /* Tell it which way DMA is going */
805 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
806 ESA_CDATA_DMA_CONTROL,
807 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT +
808 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR);
809
810 /* Set an armload of static initializers */
811 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++)
812 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
813 esa_recvals[i].addr, esa_recvals[i].val);
814
815 /* Put us in the packed task lists */
816 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT,
817 vc->index + ESA_NUM_VOICES);
818 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT,
819 vc->index + ESA_NUM_VOICES);
820 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT,
821 vc->index + ESA_NUM_VOICES);
822 #undef LO
823 #undef HI
824
825 /* XXX */
826 //esa_commit_settings(vc);
827
828 sc->sc_ntimers++;
829 if (sc->sc_ntimers == 1) {
830 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
831 ESA_KDATA_TIMER_COUNT_RELOAD, 240);
832 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
833 ESA_KDATA_TIMER_COUNT_CURRENT, 240);
834 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
835 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
836 data | ESA_CLKRUN_GEN_ENABLE);
837 }
838
839 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
840 ESA_CDATA_INSTANCE_READY, 1);
841 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST,
842 1);
843
844 return (0);
845 }
846
847 /* Interrupt handler */
848
849 int
850 esa_intr(void *hdl)
851 {
852 struct esa_softc *sc = hdl;
853 struct esa_voice *vc;
854 bus_space_tag_t iot = sc->sc_iot;
855 bus_space_handle_t ioh = sc->sc_ioh;
856 u_int8_t status, ctl;
857 u_int32_t pos;
858 u_int32_t diff;
859 u_int32_t play_blksize, play_bufsize;
860 u_int32_t rec_blksize, rec_bufsize;
861 int i;
862
863 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS);
864 if (status == 0xff)
865 return (0);
866
867 /* ack the interrupt */
868 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status);
869
870 if (status & ESA_HV_INT_PENDING) {
871 u_int8_t event;
872
873 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname);
874 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER);
875 switch(event) {
876 case 0x99:
877 case 0xaa:
878 case 0x66:
879 case 0x88:
880 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname);
881 break;
882 default:
883 printf("%s: unknown hwvol event 0x%02x\n",
884 sc->sc_dev.dv_xname, event);
885 break;
886 }
887 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88);
888 }
889
890 if (status & ESA_ASSP_INT_PENDING) {
891 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B);
892 if (!(ctl & ESA_STOP_ASSP_CLOCK)) {
893 ctl = bus_space_read_1(iot, ioh,
894 ESA_ASSP_HOST_INT_STATUS);
895 if (ctl & ESA_DSP2HOST_REQ_TIMER) {
896 bus_space_write_1(iot, ioh,
897 ESA_ASSP_HOST_INT_STATUS,
898 ESA_DSP2HOST_REQ_TIMER);
899 for (i = 0; i < ESA_NUM_VOICES; i++) {
900 vc = &sc->voice[i];
901 if (vc->play.active) {
902 play_blksize = vc->play.blksize;
903 play_bufsize = vc->play.bufsize;
904 pos = esa_get_pointer(sc, &vc->play)
905 % play_bufsize;
906 diff = (play_bufsize + pos - vc->play.pos)
907 % play_bufsize;
908 vc->play.pos = pos;
909 vc->play.count += diff;
910 while(vc->play.count >= play_blksize) {
911 vc->play.count -= play_blksize;
912 (*vc->play.intr)(vc->play.arg);
913 }
914 }
915 if (vc->rec.active) {
916 rec_blksize = vc->rec.blksize;
917 rec_bufsize = vc->rec.bufsize;
918 pos = esa_get_pointer(sc, &vc->rec)
919 % rec_bufsize;
920 diff = (rec_bufsize + pos - vc->rec.pos)
921 % rec_bufsize;
922 vc->rec.pos = pos;
923 vc->rec.count += diff;
924 while(vc->rec.count >= rec_blksize) {
925 vc->rec.count -= rec_blksize;
926 (*vc->rec.intr)(vc->rec.arg);
927 }
928 }
929 }
930 }
931 }
932 }
933
934 return (1);
935 }
936
937 int
938 esa_allocmem(struct esa_softc *sc, size_t size, size_t align,
939 struct esa_dma *p)
940 {
941 int error;
942
943 p->size = size;
944 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0,
945 p->segs, sizeof(p->segs) / sizeof(p->segs[0]),
946 &p->nsegs, BUS_DMA_NOWAIT);
947 if (error)
948 return (error);
949
950 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size,
951 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
952 if (error)
953 goto free;
954
955 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0,
956 BUS_DMA_NOWAIT, &p->map);
957 if (error)
958 goto unmap;
959
960 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL,
961 BUS_DMA_NOWAIT);
962 if (error)
963 goto destroy;
964
965 return (0);
966
967 destroy:
968 bus_dmamap_destroy(sc->sc_dmat, p->map);
969 unmap:
970 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
971 free:
972 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
973
974 return (error);
975 }
976
977 int
978 esa_freemem(struct esa_softc *sc, struct esa_dma *p)
979 {
980
981 bus_dmamap_unload(sc->sc_dmat, p->map);
982 bus_dmamap_destroy(sc->sc_dmat, p->map);
983 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
984 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
985
986 return (0);
987 }
988
989 /*
990 * Supporting Subroutines
991 */
992
993 int
994 esa_match(struct device *dev, struct cfdata *match, void *aux)
995 {
996 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
997
998 switch(PCI_VENDOR(pa->pa_id)) {
999 case PCI_VENDOR_ESSTECH:
1000 switch(PCI_PRODUCT(pa->pa_id)) {
1001 case PCI_PRODUCT_ESSTECH_ALLEGRO1:
1002 case PCI_PRODUCT_ESSTECH_MAESTRO3:
1003 case PCI_PRODUCT_ESSTECH_MAESTRO3_2:
1004 return (1);
1005 }
1006 }
1007
1008 return (0);
1009 }
1010
1011 void
1012 esa_attach(struct device *parent, struct device *self, void *aux)
1013 {
1014 struct esa_softc *sc = (struct esa_softc *)self;
1015 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
1016 pcitag_t tag = pa->pa_tag;
1017 pci_chipset_tag_t pc = pa->pa_pc;
1018 pci_intr_handle_t ih;
1019 struct esa_card_type *card;
1020 const char *intrstr;
1021 u_int32_t data;
1022 char devinfo[256];
1023 int revision, len;
1024 int i;
1025
1026 aprint_naive(": Audio controller\n");
1027
1028 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
1029 revision = PCI_REVISION(pa->pa_class);
1030 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, revision);
1031
1032 for (card = esa_card_types; card->pci_vendor_id; card++)
1033 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id &&
1034 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) {
1035 sc->type = card->type;
1036 sc->delay1 = card->delay1;
1037 sc->delay2 = card->delay2;
1038 break;
1039 }
1040
1041 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
1042 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE
1043 | PCI_COMMAND_MASTER_ENABLE);
1044 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data);
1045
1046 /* Map I/O register */
1047 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
1048 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) {
1049 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
1050 return;
1051 }
1052
1053 /* Initialize softc */
1054 sc->sc_tag = tag;
1055 sc->sc_pct = pc;
1056 sc->sc_dmat = pa->pa_dmat;
1057
1058 /* Map and establish an interrupt */
1059 if (pci_intr_map(pa, &ih)) {
1060 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname);
1061 return;
1062 }
1063 intrstr = pci_intr_string(pc, ih);
1064 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self);
1065 if (sc->sc_ih == NULL) {
1066 aprint_error("%s: can't establish interrupt",
1067 sc->sc_dev.dv_xname);
1068 if (intrstr != NULL)
1069 aprint_normal(" at %s", intrstr);
1070 aprint_normal("\n");
1071 return;
1072 }
1073 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
1074
1075 /* Power up chip */
1076 esa_power(sc, PCI_PMCSR_STATE_D0);
1077
1078 /* Init chip */
1079 if (esa_init(sc) == -1) {
1080 aprint_error("%s: esa_attach: unable to initialize the card\n",
1081 sc->sc_dev.dv_xname);
1082 return;
1083 }
1084
1085 /* create suspend save area */
1086 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH
1087 + ESA_REV_B_DATA_MEMORY_LENGTH + 1);
1088 sc->savemem = (u_int16_t *)malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO);
1089 if (sc->savemem == NULL) {
1090 aprint_error("%s: unable to allocate suspend buffer\n",
1091 sc->sc_dev.dv_xname);
1092 return;
1093 }
1094
1095 /*
1096 * Every card I've seen has had their channels swapped with respect
1097 * to the mixer. Ie:
1098 * $ mixerctl -w outputs.master=0,191
1099 * Would result in the _right_ speaker being turned off.
1100 *
1101 * So, we will swap the left and right mixer channels to compensate
1102 * for this.
1103 */
1104 sc->codec_flags = AC97_HOST_SWAPPED_CHANNELS;
1105
1106 /* Attach AC97 host interface */
1107 sc->host_if.arg = self;
1108 sc->host_if.attach = esa_attach_codec;
1109 sc->host_if.read = esa_read_codec;
1110 sc->host_if.write = esa_write_codec;
1111 sc->host_if.reset = esa_reset_codec;
1112 sc->host_if.flags = esa_flags_codec;
1113
1114 if (ac97_attach(&sc->host_if) != 0)
1115 return;
1116
1117 /* initialize list management structures */
1118 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0;
1119 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS;
1120 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0;
1121 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS;
1122 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0;
1123 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS;
1124 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC;
1125 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC;
1126
1127 /* initialize index maps */
1128 for (i = 0; i < ESA_NUM_VOICES * 2; i++) {
1129 sc->mixer_list.indexmap[i] = -1;
1130 sc->msrc_list.indexmap[i] = -1;
1131 sc->dma_list.indexmap[i] = -1;
1132 sc->adc1_list.indexmap[i] = -1;
1133 }
1134 for (i = 0; i < ESA_NUM_VOICES; i++) {
1135 sc->voice[i].parent = (struct device *)sc;
1136 sc->voice[i].index = i;
1137 sc->sc_audiodev[i] =
1138 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev);
1139 }
1140
1141 sc->powerhook = powerhook_establish(esa_powerhook, sc);
1142 if (sc->powerhook == NULL)
1143 aprint_error("%s: WARNING: unable to establish powerhook\n",
1144 sc->sc_dev.dv_xname);
1145
1146 return;
1147 }
1148
1149 int
1150 esa_detach(struct device *self, int flags)
1151 {
1152 struct esa_softc *sc = (struct esa_softc *)self;
1153 int i;
1154
1155 for (i = 0; i < ESA_NUM_VOICES; i++) {
1156 if (sc->sc_audiodev[i] != NULL)
1157 config_detach(sc->sc_audiodev[i], flags);
1158 }
1159
1160 if (sc->sc_ih != NULL)
1161 pci_intr_disestablish(sc->sc_pct, sc->sc_ih);
1162 if (sc->sc_ios)
1163 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
1164
1165 free(sc->savemem, M_DEVBUF);
1166
1167 return (0);
1168 }
1169
1170 u_int16_t
1171 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index)
1172 {
1173 u_int16_t data;
1174 bus_space_tag_t iot = sc->sc_iot;
1175 bus_space_handle_t ioh = sc->sc_ioh;
1176
1177 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE,
1178 region & ESA_MEMTYPE_MASK);
1179 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index);
1180 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA);
1181
1182 return (data);
1183 }
1184
1185 void
1186 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index,
1187 u_int16_t data)
1188 {
1189 bus_space_tag_t iot = sc->sc_iot;
1190 bus_space_handle_t ioh = sc->sc_ioh;
1191
1192 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE,
1193 region & ESA_MEMTYPE_MASK);
1194 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index);
1195 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data);
1196
1197 return;
1198 }
1199
1200 int
1201 esa_init_codec(struct esa_softc *sc)
1202 {
1203 bus_space_tag_t iot = sc->sc_iot;
1204 bus_space_handle_t ioh = sc->sc_ioh;
1205 u_int32_t data;
1206
1207 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND);
1208
1209 return ((data & 0x1) ? 0 : 1);
1210 }
1211
1212 int
1213 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if)
1214 {
1215 struct esa_softc *sc = aux;
1216
1217 sc->codec_if = codec_if;
1218
1219 return (0);
1220 }
1221
1222 int
1223 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result)
1224 {
1225 struct esa_softc *sc = aux;
1226 bus_space_tag_t iot = sc->sc_iot;
1227 bus_space_handle_t ioh = sc->sc_ioh;
1228
1229 if (esa_wait(sc))
1230 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname);
1231 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80);
1232 delay(50);
1233 if (esa_wait(sc))
1234 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname);
1235 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA);
1236
1237 return (0);
1238 }
1239
1240 int
1241 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data)
1242 {
1243 struct esa_softc *sc = aux;
1244 bus_space_tag_t iot = sc->sc_iot;
1245 bus_space_handle_t ioh = sc->sc_ioh;
1246
1247 if (esa_wait(sc)) {
1248 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname);
1249 return (-1);
1250 }
1251 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data);
1252 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f);
1253 delay(50);
1254
1255 return (0);
1256 }
1257
1258 int
1259 esa_reset_codec(void *aux)
1260 {
1261
1262 return 0;
1263 }
1264
1265 enum ac97_host_flags
1266 esa_flags_codec(void *aux)
1267 {
1268 struct esa_softc *sc = aux;
1269
1270 return (sc->codec_flags);
1271 }
1272
1273 int
1274 esa_wait(struct esa_softc *sc)
1275 {
1276 int i, val;
1277 bus_space_tag_t iot = sc->sc_iot;
1278 bus_space_handle_t ioh = sc->sc_ioh;
1279
1280 for (i = 0; i < 20; i++) {
1281 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS);
1282 if ((val & 1) == 0)
1283 return (0);
1284 delay(2);
1285 }
1286
1287 return (-1);
1288 }
1289
1290 int
1291 esa_init(struct esa_softc *sc)
1292 {
1293 struct esa_voice *vc;
1294 bus_space_tag_t iot = sc->sc_iot;
1295 bus_space_handle_t ioh = sc->sc_ioh;
1296 pcitag_t tag = sc->sc_tag;
1297 pci_chipset_tag_t pc = sc->sc_pct;
1298 u_int32_t data, i, size;
1299 u_int8_t reset_state;
1300 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
1301 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
1302 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
1303 &~ 255;
1304
1305 /* Disable legacy emulation */
1306 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL);
1307 data |= DISABLE_LEGACY;
1308 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data);
1309
1310 esa_config(sc);
1311
1312 reset_state = esa_assp_halt(sc);
1313
1314 esa_init_codec(sc);
1315 esa_codec_reset(sc);
1316
1317 /* Zero kernel and mixer data */
1318 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA;
1319 for (i = 0; i < size / 2; i++) {
1320 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1321 ESA_KDATA_BASE_ADDR + i, 0);
1322 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1323 ESA_KDATA_BASE_ADDR2 + i, 0);
1324 }
1325
1326 /* Init DMA pointer */
1327 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA,
1328 ESA_KDATA_DMA_XFER0);
1329
1330 /* Write kernel code into memory */
1331 size = sizeof(esa_assp_kernel_image);
1332 for (i = 0; i < size / 2; i++)
1333 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1334 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]);
1335
1336 size = sizeof(esa_assp_minisrc_image);
1337 for (i = 0; i < size / 2; i++)
1338 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i,
1339 esa_assp_minisrc_image[i]);
1340
1341 /* Write the coefficients for the low pass filter */
1342 size = sizeof(esa_minisrc_lpf_image);
1343 for (i = 0; i < size / 2; i++)
1344 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1345 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]);
1346 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1347 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000);
1348 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400);
1349 /* Init the mixer number */
1350 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1351 ESA_KDATA_MIXER_TASK_NUMBER, 0);
1352 /* Extreme kernel master volume */
1353 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1354 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME);
1355 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1356 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME);
1357
1358 if (esa_amp_enable(sc))
1359 return (-1);
1360
1361 /* Zero entire DAC/ADC area */
1362 for (i = 0x1100; i < 0x1c00; i++)
1363 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0);
1364
1365 /* set some sane defaults */
1366 for (i = 0; i < ESA_NUM_VOICES; i++) {
1367 vc = &sc->voice[i];
1368 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i);
1369 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2);
1370 }
1371
1372 esa_enable_interrupts(sc);
1373
1374 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1375 reset_state | ESA_REGB_ENABLE_RESET);
1376
1377 return (0);
1378 }
1379
1380 void
1381 esa_config(struct esa_softc *sc)
1382 {
1383 bus_space_tag_t iot = sc->sc_iot;
1384 bus_space_handle_t ioh = sc->sc_ioh;
1385 pcitag_t tag = sc->sc_tag;
1386 pci_chipset_tag_t pc = sc->sc_pct;
1387 u_int32_t data;
1388
1389 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG);
1390 data &= ESA_REDUCED_DEBOUNCE;
1391 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING;
1392 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data);
1393
1394 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP);
1395 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG);
1396 data &= ~ESA_INT_CLK_SELECT;
1397 if (sc->type == ESS_MAESTRO3) {
1398 data &= ~ESA_INT_CLK_MULT_ENABLE;
1399 data |= ESA_INT_CLK_SRC_NOT_PCI;
1400 }
1401 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2);
1402 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data);
1403
1404 if (sc->type == ESS_ALLEGRO1) {
1405 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG);
1406 data |= ESA_IN_CLK_12MHZ_SELECT;
1407 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data);
1408 }
1409
1410 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A);
1411 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT);
1412 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */
1413 data |= ESA_ASSP_0_WS_ENABLE;
1414 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data);
1415
1416 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP);
1417
1418 return;
1419 }
1420
1421 u_int8_t
1422 esa_assp_halt(struct esa_softc *sc)
1423 {
1424 bus_space_tag_t iot = sc->sc_iot;
1425 bus_space_handle_t ioh = sc->sc_ioh;
1426 u_int8_t data, reset_state;
1427
1428 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B);
1429 reset_state = data & ~ESA_REGB_STOP_CLOCK;
1430 delay(10000); /* XXX use tsleep */
1431 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1432 reset_state & ~ESA_REGB_ENABLE_RESET);
1433 delay(10000); /* XXX use tsleep */
1434
1435 return (reset_state);
1436 }
1437
1438 void
1439 esa_codec_reset(struct esa_softc *sc)
1440 {
1441 bus_space_tag_t iot = sc->sc_iot;
1442 bus_space_handle_t ioh = sc->sc_ioh;
1443 u_int16_t data, dir;
1444 int retry = 0;
1445
1446 do {
1447 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION);
1448 dir = data | 0x10; /* assuming pci bus master? */
1449
1450 /* remote codec config */
1451 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B);
1452 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B,
1453 data & ~ESA_SECOND_CODEC_ID_MASK);
1454 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL);
1455 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL,
1456 data & ~ESA_COMMAND_ADDR_OUT);
1457 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL);
1458 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL,
1459 data & ~ESA_STATUS_ADDR_IN);
1460
1461 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A,
1462 ESA_IO_SRAM_ENABLE);
1463 delay(20);
1464
1465 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION,
1466 dir & ~ESA_GPO_PRIMARY_AC97);
1467 bus_space_write_2(iot, ioh, ESA_GPIO_MASK,
1468 ~ESA_GPO_PRIMARY_AC97);
1469 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0);
1470 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION,
1471 dir | ESA_GPO_PRIMARY_AC97);
1472 delay(sc->delay1 * 1000);
1473 bus_space_write_2(iot, ioh, ESA_GPIO_DATA,
1474 ESA_GPO_PRIMARY_AC97);
1475 delay(5);
1476 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A,
1477 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE);
1478 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0);
1479 delay(sc->delay2 * 1000);
1480
1481 esa_read_codec(sc, 0x7c, &data);
1482 if ((data == 0) || (data == 0xffff)) {
1483 retry++;
1484 if (retry > 3) {
1485 printf("%s: esa_codec_reset: failed\n",
1486 sc->sc_dev.dv_xname);
1487 break;
1488 }
1489 printf("%s: esa_codec_reset: retrying\n",
1490 sc->sc_dev.dv_xname);
1491 } else
1492 retry = 0;
1493 } while (retry);
1494
1495 return;
1496 }
1497
1498 int
1499 esa_amp_enable(struct esa_softc *sc)
1500 {
1501 bus_space_tag_t iot = sc->sc_iot;
1502 bus_space_handle_t ioh = sc->sc_ioh;
1503 u_int32_t gpo, polarity_port, polarity;
1504 u_int16_t data;
1505
1506 switch (sc->type) {
1507 case ESS_ALLEGRO1:
1508 polarity_port = 0x1800;
1509 break;
1510 case ESS_MAESTRO3:
1511 polarity_port = 0x1100;
1512 break;
1513 default:
1514 printf("%s: esa_amp_enable: Unknown chip type!!!\n",
1515 sc->sc_dev.dv_xname);
1516 return (1);
1517 }
1518
1519 gpo = (polarity_port >> 8) & 0x0f;
1520 polarity = polarity_port >> 12;
1521 polarity = !polarity; /* Enable */
1522 polarity = polarity << gpo;
1523 gpo = 1 << gpo;
1524 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo);
1525 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION);
1526 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo);
1527 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity;
1528 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data);
1529 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0);
1530
1531 return (0);
1532 }
1533
1534 void
1535 esa_enable_interrupts(struct esa_softc *sc)
1536 {
1537 bus_space_tag_t iot = sc->sc_iot;
1538 bus_space_handle_t ioh = sc->sc_ioh;
1539 u_int8_t data;
1540
1541 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
1542 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE);
1543 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C);
1544 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C,
1545 data | ESA_ASSP_HOST_INT_ENABLE);
1546 }
1547
1548 /*
1549 * List management
1550 */
1551 int
1552 esa_add_list(struct esa_voice *vc, struct esa_list *el,
1553 u_int16_t val, int index)
1554 {
1555 struct esa_softc *sc = (struct esa_softc *)vc->parent;
1556
1557 el->indexmap[index] = el->currlen;
1558 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1559 el->mem_addr + el->currlen,
1560 val);
1561
1562 return (el->currlen++);
1563 }
1564
1565 void
1566 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index)
1567 {
1568 struct esa_softc *sc = (struct esa_softc *)vc->parent;
1569 u_int16_t val;
1570 int lastindex = el->currlen - 1;
1571 int vindex = el->indexmap[index];
1572 int i;
1573
1574 /* reset our virtual index */
1575 el->indexmap[index] = -1;
1576
1577 if (vindex != lastindex) {
1578 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1579 el->mem_addr + lastindex);
1580 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1581 el->mem_addr + vindex,
1582 val);
1583 for (i = 0; i < ESA_NUM_VOICES * 2; i++)
1584 if (el->indexmap[i] == lastindex)
1585 break;
1586 if (i >= ESA_NUM_VOICES * 2)
1587 printf("%s: esa_remove_list: invalid task index\n",
1588 sc->sc_dev.dv_xname);
1589 else
1590 el->indexmap[i] = vindex;
1591 }
1592
1593 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1594 el->mem_addr + lastindex, 0);
1595 el->currlen--;
1596
1597 return;
1598 }
1599
1600 int
1601 esa_power(struct esa_softc *sc, int state)
1602 {
1603 pcitag_t tag = sc->sc_tag;
1604 pci_chipset_tag_t pc = sc->sc_pct;
1605 pcireg_t data;
1606 int pmcapreg;
1607
1608 if (pci_get_capability(pc, tag, PCI_CAP_PWRMGMT, &pmcapreg, 0)) {
1609 data = pci_conf_read(pc, tag, pmcapreg + PCI_PMCSR);
1610 if ((data & PCI_PMCSR_STATE_MASK) != state)
1611 pci_conf_write(pc, tag, pmcapreg + PCI_PMCSR, state);
1612 }
1613
1614 return (0);
1615 }
1616
1617 void
1618 esa_powerhook(int why, void *hdl)
1619 {
1620 struct esa_softc *sc = (struct esa_softc *)hdl;
1621
1622 switch (why) {
1623 case PWR_SUSPEND:
1624 case PWR_STANDBY:
1625 esa_suspend(sc);
1626 break;
1627 case PWR_RESUME:
1628 esa_resume(sc);
1629 (sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1630 break;
1631 }
1632 }
1633
1634 int
1635 esa_suspend(struct esa_softc *sc)
1636 {
1637 bus_space_tag_t iot = sc->sc_iot;
1638 bus_space_handle_t ioh = sc->sc_ioh;
1639 int i, index;
1640
1641 index = 0;
1642
1643 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0);
1644 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0);
1645
1646 esa_assp_halt(sc);
1647
1648 /* Save ASSP state */
1649 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END;
1650 i++)
1651 sc->savemem[index++] = esa_read_assp(sc,
1652 ESA_MEMTYPE_INTERNAL_CODE, i);
1653 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END;
1654 i++)
1655 sc->savemem[index++] = esa_read_assp(sc,
1656 ESA_MEMTYPE_INTERNAL_DATA, i);
1657
1658 esa_power(sc, PCI_PMCSR_STATE_D3);
1659
1660 return (0);
1661 }
1662
1663 int
1664 esa_resume(struct esa_softc *sc) {
1665 bus_space_tag_t iot = sc->sc_iot;
1666 bus_space_handle_t ioh = sc->sc_ioh;
1667 int i, index;
1668 u_int8_t reset_state;
1669
1670 index = 0;
1671
1672 esa_power(sc, PCI_PMCSR_STATE_D0);
1673 delay(10000);
1674
1675 esa_config(sc);
1676
1677 reset_state = esa_assp_halt(sc);
1678
1679 esa_codec_reset(sc);
1680
1681 /* restore ASSP */
1682 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END;
1683 i++)
1684 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i,
1685 sc->savemem[index++]);
1686 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END;
1687 i++)
1688 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i,
1689 sc->savemem[index++]);
1690
1691 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0);
1692 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1693 reset_state | ESA_REGB_ENABLE_RESET);
1694
1695 esa_enable_interrupts(sc);
1696 esa_amp_enable(sc);
1697
1698 return (0);
1699 }
1700
1701 u_int32_t
1702 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch)
1703 {
1704 u_int16_t hi = 0, lo = 0;
1705 u_int32_t addr;
1706 int data_offset = ch->data_offset;
1707
1708 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset +
1709 ESA_CDATA_HOST_SRC_CURRENTH);
1710 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset +
1711 ESA_CDATA_HOST_SRC_CURRENTL);
1712
1713 addr = lo | ((u_int32_t)hi << 16);
1714 return (addr - ch->start);
1715 }
1716
1717 paddr_t
1718 esa_mappage(void *addr, void *mem, off_t off, int prot)
1719 {
1720 struct esa_voice *vc = addr;
1721 struct esa_softc *sc = (struct esa_softc *)vc->parent;
1722 struct esa_dma *p;
1723
1724 if (off < 0)
1725 return (-1);
1726 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next)
1727 ;
1728 if (!p)
1729 return (-1);
1730 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs,
1731 off, prot, BUS_DMA_WAITOK));
1732 }
Cache object: 1a627f07feaca3afc11a40b18d7669d3
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