esa.c revision 1.33 1 /* $NetBSD: esa.c,v 1.33 2006/08/30 00:53:47 christos 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 1.33 2006/08/30 00:53:47 christos 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 const struct esa_card_type {
82 uint16_t pci_vendor_id;
83 uint16_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 static struct audio_device esa_device = {
97 "ESS Allegro",
98 "",
99 "esa"
100 };
101
102 static int esa_match(struct device *, struct cfdata *, void *);
103 static void esa_attach(struct device *, struct device *, void *);
104 static int esa_detach(struct device *, int);
105
106 /* audio(9) functions */
107 static int esa_query_encoding(void *, struct audio_encoding *);
108 static int esa_set_params(void *, int, int, audio_params_t *,
109 audio_params_t *, stream_filter_list_t *,
110 stream_filter_list_t *);
111 static int esa_round_blocksize(void *, int, int,
112 const audio_params_t *);
113 static int esa_commit_settings(void *);
114 static int esa_halt_output(void *);
115 static int esa_halt_input(void *);
116 static int esa_set_port(void *, mixer_ctrl_t *);
117 static int esa_get_port(void *, mixer_ctrl_t *);
118 static int esa_query_devinfo(void *, mixer_devinfo_t *);
119 static void * esa_malloc(void *, int, size_t, struct malloc_type *,
120 int);
121 static void esa_free(void *, void *, struct malloc_type *);
122 static int esa_getdev(void *, struct audio_device *);
123 static size_t esa_round_buffersize(void *, int, size_t);
124 static int esa_get_props(void *);
125 static int esa_trigger_output(void *, void *, void *, int,
126 void (*)(void *), void *,
127 const audio_params_t *);
128 static int esa_trigger_input(void *, void *, void *, int,
129 void (*)(void *), void *,
130 const audio_params_t *);
131
132 static int esa_intr(void *);
133 static int esa_allocmem(struct esa_softc *, size_t, size_t,
134 struct esa_dma *);
135 static int esa_freemem(struct esa_softc *, struct esa_dma *);
136 static paddr_t esa_mappage(void *, void *, off_t, int);
137
138 /* Supporting subroutines */
139 static uint16_t esa_read_assp(struct esa_softc *, uint16_t, uint16_t);
140 static void esa_write_assp(struct esa_softc *, uint16_t, uint16_t,
141 uint16_t);
142 static int esa_init_codec(struct esa_softc *);
143 static int esa_attach_codec(void *, struct ac97_codec_if *);
144 static int esa_read_codec(void *, uint8_t, uint16_t *);
145 static int esa_write_codec(void *, uint8_t, uint16_t);
146 static int esa_reset_codec(void *);
147 static enum ac97_host_flags esa_flags_codec(void *);
148 static int esa_wait(struct esa_softc *);
149 static int esa_init(struct esa_softc *);
150 static void esa_config(struct esa_softc *);
151 static uint8_t esa_assp_halt(struct esa_softc *);
152 static void esa_codec_reset(struct esa_softc *);
153 static int esa_amp_enable(struct esa_softc *);
154 static void esa_enable_interrupts(struct esa_softc *);
155 static uint32_t esa_get_pointer(struct esa_softc *, struct esa_channel *);
156
157 /* list management */
158 static int esa_add_list(struct esa_voice *, struct esa_list *,
159 uint16_t, int);
160 static void esa_remove_list(struct esa_voice *, struct esa_list *,
161 int);
162
163 /* power management */
164 static void esa_powerhook(int, void *);
165 static int esa_suspend(struct esa_softc *);
166 static int esa_resume(struct esa_softc *);
167
168
169 #define ESA_NENCODINGS 8
170 static audio_encoding_t esa_encoding[ESA_NENCODINGS] = {
171 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 0 },
172 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8,
173 AUDIO_ENCODINGFLAG_EMULATED },
174 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, AUDIO_ENCODINGFLAG_EMULATED },
175 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8,
176 AUDIO_ENCODINGFLAG_EMULATED }, /* XXX: Are you sure? */
177 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 0 },
178 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16,
179 AUDIO_ENCODINGFLAG_EMULATED },
180 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16,
181 AUDIO_ENCODINGFLAG_EMULATED },
182 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16,
183 AUDIO_ENCODINGFLAG_EMULATED }
184 };
185
186 #define ESA_NFORMATS 4
187 static const struct audio_format esa_formats[ESA_NFORMATS] = {
188 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
189 2, AUFMT_STEREO, 0, {ESA_MINRATE, ESA_MAXRATE}},
190 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
191 1, AUFMT_MONAURAL, 0, {ESA_MINRATE, ESA_MAXRATE}},
192 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
193 2, AUFMT_STEREO, 0, {ESA_MINRATE, ESA_MAXRATE}},
194 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
195 1, AUFMT_MONAURAL, 0, {ESA_MINRATE, ESA_MAXRATE}},
196 };
197
198 static const struct audio_hw_if esa_hw_if = {
199 NULL, /* open */
200 NULL, /* close */
201 NULL, /* drain */
202 esa_query_encoding,
203 esa_set_params,
204 esa_round_blocksize,
205 esa_commit_settings,
206 NULL, /* init_output */
207 NULL, /* init_input */
208 NULL, /* start_output */
209 NULL, /* start_input */
210 esa_halt_output,
211 esa_halt_input,
212 NULL, /* speaker_ctl */
213 esa_getdev,
214 NULL, /* getfd */
215 esa_set_port,
216 esa_get_port,
217 esa_query_devinfo,
218 esa_malloc,
219 esa_free,
220 esa_round_buffersize,
221 esa_mappage,
222 esa_get_props,
223 esa_trigger_output,
224 esa_trigger_input
225 NULL, /* dev_ioctl */
226 NULL, /* powerstate */
227 };
228
229 CFATTACH_DECL(esa, sizeof(struct esa_softc), esa_match, esa_attach,
230 esa_detach, NULL);
231
232 /*
233 * audio(9) functions
234 */
235
236 static int
237 esa_query_encoding(void *hdl, struct audio_encoding *ae)
238 {
239
240 if (ae->index < 0 || ae->index >= ESA_NENCODINGS)
241 return EINVAL;
242 *ae = esa_encoding[ae->index];
243
244 return 0;
245 }
246
247 static int
248 esa_set_params(void *hdl, int setmode, int usemode,
249 audio_params_t *play, audio_params_t *rec,
250 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
251 {
252 struct esa_voice *vc;
253 //struct esa_softc *sc = (struct esa_softc *)vc->parent;
254 struct esa_channel *ch;
255 struct audio_params *p;
256 stream_filter_list_t *fil;
257 int mode, i;
258
259 vc = hdl;
260 for (mode = AUMODE_RECORD; mode != -1;
261 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) {
262 if ((setmode & mode) == 0)
263 continue;
264
265 switch (mode) {
266 case AUMODE_PLAY:
267 p = play;
268 ch = &vc->play;
269 fil = pfil;
270 break;
271 case AUMODE_RECORD:
272 p = rec;
273 ch = &vc->rec;
274 fil = rfil;
275 break;
276 default:
277 return EINVAL;
278 }
279
280 if (p->sample_rate < ESA_MINRATE ||
281 p->sample_rate > ESA_MAXRATE ||
282 (p->precision != 8 && p->precision != 16) ||
283 (p->channels < 1 || p->channels > 2))
284 return EINVAL;
285
286 i = auconv_set_converter(esa_formats, ESA_NFORMATS,
287 mode, p, FALSE, fil);
288 if (i < 0)
289 return EINVAL;
290 if (fil->req_size > 0)
291 p = &fil->filters[0].param;
292 ch->mode = *p;
293 }
294
295 return 0;
296 }
297
298 static int
299 esa_commit_settings(void *hdl)
300 {
301 struct esa_voice *vc;
302 struct esa_softc *sc;
303 const audio_params_t *p;
304 const audio_params_t *r;
305 uint32_t data;
306 uint32_t freq;
307 int data_bytes;
308
309 vc = hdl;
310 sc = (struct esa_softc *)vc->parent;
311 p = &vc->play.mode;
312 r = &vc->rec.mode;
313 data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
314 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
315 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
316 &~ 255;
317 /* playback */
318 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index);
319 if (p->channels == 1)
320 data = 1;
321 else
322 data = 0;
323 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
324 vc->play.data_offset + ESA_SRC3_MODE_OFFSET,
325 data);
326 if (p->precision == 8)
327 data = 1;
328 else
329 data = 0;
330 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
331 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET,
332 data);
333 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) {
334 freq--;
335 }
336 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
337 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq);
338
339 /* recording */
340 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) +
341 (data_bytes / 2);
342 if (r->channels == 1)
343 data = 1;
344 else
345 data = 0;
346 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
347 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET,
348 data);
349 if (r->precision == 8)
350 data = 1;
351 else
352 data = 0;
353 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
354 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET,
355 data);
356 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) {
357 freq--;
358 }
359 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
360 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq);
361
362 return 0;
363 };
364
365 static int
366 esa_round_blocksize(void *hdl, int bs, int mode, const audio_params_t *param)
367 {
368
369 return bs & ~0x20; /* Be conservative; align to 32 bytes */
370 }
371
372 static int
373 esa_halt_output(void *hdl)
374 {
375 struct esa_voice *vc;
376 struct esa_softc *sc;
377 bus_space_tag_t iot;
378 bus_space_handle_t ioh;
379 uint16_t data;
380
381 vc = hdl;
382 sc = (struct esa_softc *)vc->parent;
383 iot = sc->sc_iot;
384 ioh = sc->sc_ioh;
385 if (vc->play.active == 0)
386 return 0;
387
388 vc->play.active = 0;
389
390 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
391 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0);
392
393 sc->sc_ntimers--;
394 if (sc->sc_ntimers == 0) {
395 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
396 ESA_KDATA_TIMER_COUNT_RELOAD, 0);
397 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
398 ESA_KDATA_TIMER_COUNT_CURRENT, 0);
399 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
400 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
401 data & ~ESA_CLKRUN_GEN_ENABLE);
402 }
403
404 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
405 ESA_KDATA_MIXER_TASK_NUMBER,
406 sc->mixer_list.indexmap[vc->index]);
407 /* remove ourselves from the packed lists */
408 esa_remove_list(vc, &sc->mixer_list, vc->index);
409 esa_remove_list(vc, &sc->dma_list, vc->index);
410 esa_remove_list(vc, &sc->msrc_list, vc->index);
411
412 return 0;
413 }
414
415 static int
416 esa_halt_input(void *hdl)
417 {
418 struct esa_voice *vc;
419 struct esa_softc *sc;
420 bus_space_tag_t iot;
421 bus_space_handle_t ioh;
422 uint32_t data;
423
424 vc = hdl;
425 sc = (struct esa_softc *)vc->parent;
426 iot = sc->sc_iot;
427 ioh = sc->sc_ioh;
428 if (vc->rec.active == 0)
429 return 0;
430
431 vc->rec.active = 0;
432
433 sc->sc_ntimers--;
434 if (sc->sc_ntimers == 0) {
435 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
436 ESA_KDATA_TIMER_COUNT_RELOAD, 0);
437 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
438 ESA_KDATA_TIMER_COUNT_CURRENT, 0);
439 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
440 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
441 data & ~ESA_CLKRUN_GEN_ENABLE);
442 }
443
444 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset +
445 ESA_CDATA_INSTANCE_READY, 0);
446 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST,
447 0);
448
449 /* remove ourselves from the packed lists */
450 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES);
451 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES);
452 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES);
453
454 return 0;
455 }
456
457 static void *
458 esa_malloc(void *hdl, int direction, size_t size, struct malloc_type *type,
459 int flags)
460 {
461 struct esa_voice *vc;
462 struct esa_softc *sc;
463 struct esa_dma *p;
464 int error;
465
466 p = malloc(sizeof(*p), type, flags);
467 if (p == NULL)
468 return NULL;
469 vc = hdl;
470 sc = (struct esa_softc *)vc->parent;
471 error = esa_allocmem(sc, size, 16, p);
472 if (error) {
473 free(p, type);
474 printf("%s: esa_malloc: not enough memory\n",
475 sc->sc_dev.dv_xname);
476 return 0;
477 }
478 p->next = vc->dma;
479 vc->dma = p;
480
481 return KERNADDR(p);
482 }
483
484 static void
485 esa_free(void *hdl, void *addr, struct malloc_type *type)
486 {
487 struct esa_voice *vc;
488 struct esa_softc *sc;
489 struct esa_dma *p;
490 struct esa_dma **pp;
491
492 vc = hdl;
493 sc = (struct esa_softc *)vc->parent;
494 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next)
495 if (KERNADDR(p) == addr) {
496 esa_freemem(sc, p);
497 *pp = p->next;
498 free(p, type);
499 return;
500 }
501 }
502
503 static int
504 esa_getdev(void *hdl, struct audio_device *ret)
505 {
506
507 *ret = esa_device;
508 return 0;
509 }
510
511 static int
512 esa_set_port(void *hdl, mixer_ctrl_t *mc)
513 {
514 struct esa_voice *vc;
515 struct esa_softc *sc;
516
517 vc = hdl;
518 sc = (struct esa_softc *)vc->parent;
519 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc);
520 }
521
522 static int
523 esa_get_port(void *hdl, mixer_ctrl_t *mc)
524 {
525 struct esa_voice *vc;
526 struct esa_softc *sc;
527
528 vc = hdl;
529 sc = (struct esa_softc *)vc->parent;
530 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc);
531 }
532
533 static int
534 esa_query_devinfo(void *hdl, mixer_devinfo_t *di)
535 {
536 struct esa_voice *vc;
537 struct esa_softc *sc;
538
539 vc = hdl;
540 sc = (struct esa_softc *)vc->parent;
541 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, di);
542 }
543
544 static size_t
545 esa_round_buffersize(void *hdl, int direction, size_t bufsize)
546 {
547
548 return bufsize;
549 }
550
551 static int
552 esa_get_props(void *hdl)
553 {
554
555 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
556 }
557
558 static int
559 esa_trigger_output(void *hdl, void *start, void *end, int blksize,
560 void (*intr)(void *), void *intrarg,
561 const audio_params_t *param)
562 {
563 struct esa_voice *vc;
564 struct esa_softc *sc;
565 struct esa_dma *p;
566 bus_space_tag_t iot;
567 bus_space_handle_t ioh;
568 size_t size;
569 uint32_t data, bufaddr, i;
570 int data_bytes, dac_data, dsp_in_size;
571 int dsp_out_size, dsp_in_buf, dsp_out_buf;
572
573 vc = hdl;
574 sc = (struct esa_softc *)vc->parent;
575 iot = sc->sc_iot;
576 ioh = sc->sc_ioh;
577 data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
578 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
579 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) & ~255;
580 dac_data = ESA_DAC_DATA + (data_bytes * vc->index);
581 dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
582 dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
583 dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2);
584 dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1;
585
586 if (vc->play.active)
587 return EINVAL;
588
589 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next)
590 continue;
591 if (p == NULL) {
592 printf("%s: esa_trigger_output: bad addr %p\n",
593 sc->sc_dev.dv_xname, start);
594 return EINVAL;
595 }
596
597 vc->play.active = 1;
598 vc->play.intr = intr;
599 vc->play.arg = intrarg;
600 vc->play.pos = 0;
601 vc->play.count = 0;
602 vc->play.buf = start;
603 vc->play.bufsize = size = (size_t)(((caddr_t)end - (caddr_t)start));
604 vc->play.blksize = blksize;
605 bufaddr = DMAADDR(p);
606 vc->play.start = bufaddr;
607
608 #define LO(x) ((x) & 0x0000ffff)
609 #define HI(x) ((x) >> 16)
610
611 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
612 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr));
613 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
614 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr));
615 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
616 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size));
617 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
618 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size));
619 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
620 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr));
621 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
622 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr));
623
624 /* DSP buffers */
625 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
626 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf);
627 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
628 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2));
629 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
630 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf);
631 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
632 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf);
633 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
634 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf);
635 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
636 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2));
637 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
638 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf);
639 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
640 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf);
641
642 /* Some per-client initializers */
643 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
644 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8);
645 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
646 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC);
647 /* Enable or disable low-pass filter? (0xff if rate > 45000) */
648 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
649 ESA_SRC3_DIRECTION_OFFSET + 22,
650 vc->play.mode.sample_rate > 45000 ? 0xff : 0);
651 /* Tell it which way DMA is going */
652 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
653 ESA_CDATA_DMA_CONTROL,
654 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR +
655 ESA_DMAC_BLOCKF_SELECTOR);
656
657 /* Set an armload of static initializers */
658 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++)
659 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
660 esa_playvals[i].addr, esa_playvals[i].val);
661
662 /* Put us in the packed task lists */
663 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT,
664 vc->index);
665 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT,
666 vc->index);
667 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT,
668 vc->index);
669 #undef LO
670 #undef HI
671
672 /* XXX */
673 //esa_commit_settings(vc);
674
675 sc->sc_ntimers++;
676
677 if (sc->sc_ntimers == 1) {
678 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
679 ESA_KDATA_TIMER_COUNT_RELOAD, 240);
680 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
681 ESA_KDATA_TIMER_COUNT_CURRENT, 240);
682 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
683 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
684 data | ESA_CLKRUN_GEN_ENABLE);
685 }
686
687 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
688 ESA_CDATA_INSTANCE_READY, 1);
689 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
690 ESA_KDATA_MIXER_TASK_NUMBER,
691 sc->mixer_list.indexmap[vc->index]);
692
693 return 0;
694 }
695
696 static int
697 esa_trigger_input(void *hdl, void *start, void *end, int blksize,
698 void (*intr)(void *), void *intrarg,
699 const audio_params_t *param)
700 {
701 struct esa_voice *vc;
702 struct esa_softc *sc;
703 struct esa_dma *p;
704 bus_space_tag_t iot;
705 bus_space_handle_t ioh;
706 uint32_t data, bufaddr, i;
707 size_t size;
708 int data_bytes, adc_data, dsp_in_size;
709 int dsp_out_size, dsp_in_buf, dsp_out_buf;
710
711 vc = hdl;
712 sc = (struct esa_softc *)vc->parent;
713 iot = sc->sc_iot;
714 ioh = sc->sc_ioh;
715 data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
716 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
717 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) & ~255;
718 adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + (data_bytes / 2);
719 dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
720 dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
721 dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2);
722 dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1;
723
724 vc->rec.data_offset = adc_data;
725
726 /* We only support 1 recording channel */
727 if (vc->index > 0)
728 return ENODEV;
729
730 if (vc->rec.active)
731 return EINVAL;
732
733 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next)
734 continue;
735 if (p == NULL) {
736 printf("%s: esa_trigger_input: bad addr %p\n",
737 sc->sc_dev.dv_xname, start);
738 return EINVAL;
739 }
740
741 vc->rec.active = 1;
742 vc->rec.intr = intr;
743 vc->rec.arg = intrarg;
744 vc->rec.pos = 0;
745 vc->rec.count = 0;
746 vc->rec.buf = start;
747 vc->rec.bufsize = size = (size_t)(((caddr_t)end - (caddr_t)start));
748 vc->rec.blksize = blksize;
749 bufaddr = DMAADDR(p);
750 vc->rec.start = bufaddr;
751
752 #define LO(x) ((x) & 0x0000ffff)
753 #define HI(x) ((x) >> 16)
754
755 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
756 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr));
757 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
758 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr));
759 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
760 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size));
761 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
762 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size));
763 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
764 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr));
765 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
766 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr));
767
768 /* DSP buffers */
769 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
770 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf);
771 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
772 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2));
773 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
774 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf);
775 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
776 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf);
777 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
778 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf);
779 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
780 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2));
781 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
782 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf);
783 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
784 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf);
785
786 /* Some per-client initializers */
787 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
788 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8);
789 /* Tell it which way DMA is going */
790 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
791 ESA_CDATA_DMA_CONTROL,
792 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT +
793 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR);
794
795 /* Set an armload of static initializers */
796 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++)
797 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
798 esa_recvals[i].addr, esa_recvals[i].val);
799
800 /* Put us in the packed task lists */
801 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT,
802 vc->index + ESA_NUM_VOICES);
803 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT,
804 vc->index + ESA_NUM_VOICES);
805 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT,
806 vc->index + ESA_NUM_VOICES);
807 #undef LO
808 #undef HI
809
810 /* XXX */
811 //esa_commit_settings(vc);
812
813 sc->sc_ntimers++;
814 if (sc->sc_ntimers == 1) {
815 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
816 ESA_KDATA_TIMER_COUNT_RELOAD, 240);
817 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
818 ESA_KDATA_TIMER_COUNT_CURRENT, 240);
819 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
820 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
821 data | ESA_CLKRUN_GEN_ENABLE);
822 }
823
824 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
825 ESA_CDATA_INSTANCE_READY, 1);
826 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST,
827 1);
828
829 return 0;
830 }
831
832 /* Interrupt handler */
833 static int
834 esa_intr(void *hdl)
835 {
836 struct esa_softc *sc;
837 struct esa_voice *vc;
838 bus_space_tag_t iot;
839 bus_space_handle_t ioh;
840 uint8_t status;
841 uint32_t pos;
842 uint32_t diff;
843 uint32_t blksize;
844 int i;
845
846 sc = hdl;
847 iot = sc->sc_iot;
848 ioh = sc->sc_ioh;
849
850 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS);
851 if (status == 0xff)
852 return 0;
853
854 /* ack the interrupt */
855 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status);
856
857 if (status & ESA_HV_INT_PENDING) {
858 uint8_t event;
859
860 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname);
861 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER);
862 switch(event) {
863 case 0x99:
864 case 0xaa:
865 case 0x66:
866 case 0x88:
867 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname);
868 break;
869 default:
870 printf("%s: unknown hwvol event 0x%02x\n",
871 sc->sc_dev.dv_xname, event);
872 break;
873 }
874 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88);
875 }
876
877 if ((status & ESA_ASSP_INT_PENDING) == 0 ||
878 (bus_space_read_1(iot, ioh,
879 ESA_ASSP_CONTROL_B) & ESA_STOP_ASSP_CLOCK) != 0 ||
880 (bus_space_read_1(iot, ioh,
881 ESA_ASSP_HOST_INT_STATUS) & ESA_DSP2HOST_REQ_TIMER) == 0)
882 return 1;
883
884 bus_space_write_1(iot, ioh, ESA_ASSP_HOST_INT_STATUS,
885 ESA_DSP2HOST_REQ_TIMER);
886
887 for (i = 0; i < ESA_NUM_VOICES; i++) {
888 vc = &sc->voice[i];
889
890 if (vc->play.active) {
891 pos = esa_get_pointer(sc, &vc->play) % vc->play.bufsize;
892 diff = (vc->play.bufsize + pos - vc->play.pos) %
893 vc->play.bufsize;
894
895 vc->play.pos = pos;
896 vc->play.count += diff;
897 blksize = vc->play.blksize;
898
899 while (vc->play.count >= blksize) {
900 vc->play.count -= blksize;
901 (*vc->play.intr)(vc->play.arg);
902 }
903 }
904
905 if (vc->rec.active) {
906 pos = esa_get_pointer(sc, &vc->rec) % vc->rec.bufsize;
907 diff = (vc->rec.bufsize + pos - vc->rec.pos) %
908 vc->rec.bufsize;
909
910 vc->rec.pos = pos;
911 vc->rec.count += diff;
912 blksize = vc->rec.blksize;
913
914 while (vc->rec.count >= blksize) {
915 vc->rec.count -= blksize;
916 (*vc->rec.intr)(vc->rec.arg);
917 }
918 }
919 }
920
921 return 1;
922 }
923
924 static int
925 esa_allocmem(struct esa_softc *sc, size_t size, size_t align,
926 struct esa_dma *p)
927 {
928 int error;
929
930 p->size = size;
931 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0,
932 p->segs, sizeof(p->segs) / sizeof(p->segs[0]),
933 &p->nsegs, BUS_DMA_NOWAIT);
934 if (error)
935 return error;
936
937 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size,
938 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
939 if (error)
940 goto free;
941
942 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0,
943 BUS_DMA_NOWAIT, &p->map);
944 if (error)
945 goto unmap;
946
947 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL,
948 BUS_DMA_NOWAIT);
949 if (error)
950 goto destroy;
951
952 return 0;
953
954 destroy:
955 bus_dmamap_destroy(sc->sc_dmat, p->map);
956 unmap:
957 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
958 free:
959 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
960
961 return error;
962 }
963
964 static int
965 esa_freemem(struct esa_softc *sc, struct esa_dma *p)
966 {
967
968 bus_dmamap_unload(sc->sc_dmat, p->map);
969 bus_dmamap_destroy(sc->sc_dmat, p->map);
970 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
971 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
972
973 return 0;
974 }
975
976 /*
977 * Supporting Subroutines
978 */
979
980 static int
981 esa_match(struct device *dev, struct cfdata *match, void *aux)
982 {
983 struct pci_attach_args *pa;
984
985 pa = (struct pci_attach_args *)aux;
986 switch (PCI_VENDOR(pa->pa_id)) {
987 case PCI_VENDOR_ESSTECH:
988 switch(PCI_PRODUCT(pa->pa_id)) {
989 case PCI_PRODUCT_ESSTECH_ALLEGRO1:
990 case PCI_PRODUCT_ESSTECH_MAESTRO3:
991 case PCI_PRODUCT_ESSTECH_MAESTRO3_2:
992 return 1;
993 }
994 }
995
996 return 0;
997 }
998
999 static void
1000 esa_attach(struct device *parent, struct device *self, void *aux)
1001 {
1002 struct esa_softc *sc;
1003 struct pci_attach_args *pa;
1004 pcitag_t tag;
1005 pci_chipset_tag_t pc;
1006 pci_intr_handle_t ih;
1007 const struct esa_card_type *card;
1008 const char *intrstr;
1009 uint32_t data;
1010 char devinfo[256];
1011 int revision, len;
1012 int i;
1013 int error;
1014
1015 sc = (struct esa_softc *)self;
1016 pa = (struct pci_attach_args *)aux;
1017 tag = pa->pa_tag;
1018 pc = pa->pa_pc;
1019 aprint_naive(": Audio controller\n");
1020
1021 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
1022 revision = PCI_REVISION(pa->pa_class);
1023 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, revision);
1024
1025 for (card = esa_card_types; card->pci_vendor_id; card++)
1026 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id &&
1027 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) {
1028 sc->type = card->type;
1029 sc->delay1 = card->delay1;
1030 sc->delay2 = card->delay2;
1031 break;
1032 }
1033
1034 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
1035 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE
1036 | PCI_COMMAND_MASTER_ENABLE);
1037 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data);
1038
1039 /* Map I/O register */
1040 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
1041 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) {
1042 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
1043 return;
1044 }
1045
1046 /* Initialize softc */
1047 sc->sc_tag = tag;
1048 sc->sc_pct = pc;
1049 sc->sc_dmat = pa->pa_dmat;
1050
1051 /* Map and establish an interrupt */
1052 if (pci_intr_map(pa, &ih)) {
1053 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname);
1054 return;
1055 }
1056 intrstr = pci_intr_string(pc, ih);
1057 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self);
1058 if (sc->sc_ih == NULL) {
1059 aprint_error("%s: can't establish interrupt",
1060 sc->sc_dev.dv_xname);
1061 if (intrstr != NULL)
1062 aprint_normal(" at %s", intrstr);
1063 aprint_normal("\n");
1064 return;
1065 }
1066 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
1067
1068 /* power up chip */
1069 if ((error = pci_activate(pa->pa_pc, pa->pa_tag, sc,
1070 pci_activate_null)) && error != EOPNOTSUPP) {
1071 aprint_error("%s: cannot activate %d\n", sc->sc_dev.dv_xname,
1072 error);
1073 return;
1074 }
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(uint16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH
1085 + ESA_REV_B_DATA_MEMORY_LENGTH + 1);
1086 sc->savemem = (uint16_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, self) != 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 static int
1148 esa_detach(struct device *self, int flags)
1149 {
1150 struct esa_softc *sc;
1151 int i;
1152
1153 sc = (struct esa_softc *)self;
1154 for (i = 0; i < ESA_NUM_VOICES; i++) {
1155 if (sc->sc_audiodev[i] != NULL)
1156 config_detach(sc->sc_audiodev[i], flags);
1157 }
1158
1159 if (sc->sc_ih != NULL)
1160 pci_intr_disestablish(sc->sc_pct, sc->sc_ih);
1161 if (sc->sc_ios)
1162 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
1163
1164 free(sc->savemem, M_DEVBUF);
1165
1166 return 0;
1167 }
1168
1169 static uint16_t
1170 esa_read_assp(struct esa_softc *sc, uint16_t region, uint16_t index)
1171 {
1172 uint16_t data;
1173 bus_space_tag_t iot;
1174 bus_space_handle_t ioh;
1175
1176 iot = sc->sc_iot;
1177 ioh = sc->sc_ioh;
1178 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE,
1179 region & ESA_MEMTYPE_MASK);
1180 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index);
1181 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA);
1182
1183 return data;
1184 }
1185
1186 static void
1187 esa_write_assp(struct esa_softc *sc, uint16_t region, uint16_t index,
1188 uint16_t data)
1189 {
1190 bus_space_tag_t iot;
1191 bus_space_handle_t ioh;
1192
1193 iot = sc->sc_iot;
1194 ioh = sc->sc_ioh;
1195 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE,
1196 region & ESA_MEMTYPE_MASK);
1197 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index);
1198 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data);
1199
1200 return;
1201 }
1202
1203 static int
1204 esa_init_codec(struct esa_softc *sc)
1205 {
1206 bus_space_tag_t iot;
1207 bus_space_handle_t ioh;
1208 uint32_t data;
1209
1210 iot = sc->sc_iot;
1211 ioh = sc->sc_ioh;
1212 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND);
1213
1214 return (data & 0x1) ? 0 : 1;
1215 }
1216
1217 static int
1218 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if)
1219 {
1220 struct esa_softc *sc;
1221
1222 sc = aux;
1223 sc->codec_if = codec_if;
1224
1225 return 0;
1226 }
1227
1228 static int
1229 esa_read_codec(void *aux, uint8_t reg, uint16_t *result)
1230 {
1231 struct esa_softc *sc;
1232 bus_space_tag_t iot;
1233 bus_space_handle_t ioh;
1234
1235 sc = aux;
1236 iot = sc->sc_iot;
1237 ioh = sc->sc_ioh;
1238 if (esa_wait(sc))
1239 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname);
1240 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80);
1241 delay(50);
1242 if (esa_wait(sc))
1243 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname);
1244 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA);
1245
1246 return 0;
1247 }
1248
1249 static int
1250 esa_write_codec(void *aux, uint8_t reg, uint16_t data)
1251 {
1252 struct esa_softc *sc;
1253 bus_space_tag_t iot;
1254 bus_space_handle_t ioh;
1255
1256 sc = aux;
1257 iot = sc->sc_iot;
1258 ioh = sc->sc_ioh;
1259 if (esa_wait(sc)) {
1260 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname);
1261 return -1;
1262 }
1263 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data);
1264 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f);
1265 delay(50);
1266
1267 return 0;
1268 }
1269
1270 static int
1271 esa_reset_codec(void *aux)
1272 {
1273
1274 return 0;
1275 }
1276
1277 static enum ac97_host_flags
1278 esa_flags_codec(void *aux)
1279 {
1280 struct esa_softc *sc;
1281
1282 sc = aux;
1283 return sc->codec_flags;
1284 }
1285
1286 static int
1287 esa_wait(struct esa_softc *sc)
1288 {
1289 int i, val;
1290 bus_space_tag_t iot;
1291 bus_space_handle_t ioh;
1292
1293 iot = sc->sc_iot;
1294 ioh = sc->sc_ioh;
1295 for (i = 0; i < 20; i++) {
1296 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS);
1297 if ((val & 1) == 0)
1298 return 0;
1299 delay(2);
1300 }
1301
1302 return -1;
1303 }
1304
1305 static int
1306 esa_init(struct esa_softc *sc)
1307 {
1308 struct esa_voice *vc;
1309 bus_space_tag_t iot;
1310 bus_space_handle_t ioh;
1311 pcitag_t tag;
1312 pci_chipset_tag_t pc;
1313 uint32_t data, i, size;
1314 uint8_t reset_state;
1315 int data_bytes;
1316
1317 iot = sc->sc_iot;
1318 ioh = sc->sc_ioh;
1319 tag = sc->sc_tag;
1320 pc = sc->sc_pct;
1321 data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
1322 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
1323 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) & ~255;
1324
1325 /* Disable legacy emulation */
1326 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL);
1327 data |= DISABLE_LEGACY;
1328 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data);
1329
1330 esa_config(sc);
1331
1332 reset_state = esa_assp_halt(sc);
1333
1334 esa_init_codec(sc);
1335 esa_codec_reset(sc);
1336
1337 /* Zero kernel and mixer data */
1338 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA;
1339 for (i = 0; i < size / 2; i++) {
1340 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1341 ESA_KDATA_BASE_ADDR + i, 0);
1342 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1343 ESA_KDATA_BASE_ADDR2 + i, 0);
1344 }
1345
1346 /* Init DMA pointer */
1347 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA,
1348 ESA_KDATA_DMA_XFER0);
1349
1350 /* Write kernel code into memory */
1351 size = sizeof(esa_assp_kernel_image);
1352 for (i = 0; i < size / 2; i++)
1353 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1354 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]);
1355
1356 size = sizeof(esa_assp_minisrc_image);
1357 for (i = 0; i < size / 2; i++)
1358 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i,
1359 esa_assp_minisrc_image[i]);
1360
1361 /* Write the coefficients for the low pass filter */
1362 size = sizeof(esa_minisrc_lpf_image);
1363 for (i = 0; i < size / 2; i++)
1364 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1365 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]);
1366 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1367 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000);
1368 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400);
1369 /* Init the mixer number */
1370 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1371 ESA_KDATA_MIXER_TASK_NUMBER, 0);
1372 /* Extreme kernel master volume */
1373 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1374 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME);
1375 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1376 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME);
1377
1378 if (esa_amp_enable(sc))
1379 return -1;
1380
1381 /* Zero entire DAC/ADC area */
1382 for (i = 0x1100; i < 0x1c00; i++)
1383 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0);
1384
1385 /* set some sane defaults */
1386 for (i = 0; i < ESA_NUM_VOICES; i++) {
1387 vc = &sc->voice[i];
1388 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i);
1389 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2);
1390 }
1391
1392 esa_enable_interrupts(sc);
1393
1394 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1395 reset_state | ESA_REGB_ENABLE_RESET);
1396
1397 return 0;
1398 }
1399
1400 static void
1401 esa_config(struct esa_softc *sc)
1402 {
1403 bus_space_tag_t iot;
1404 bus_space_handle_t ioh;
1405 pcitag_t tag;
1406 pci_chipset_tag_t pc;
1407 uint32_t data;
1408
1409 iot = sc->sc_iot;
1410 ioh = sc->sc_ioh;
1411 tag = sc->sc_tag;
1412 pc = sc->sc_pct;
1413
1414 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG);
1415 data &= ESA_REDUCED_DEBOUNCE;
1416 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING;
1417 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data);
1418
1419 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP);
1420 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG);
1421 data &= ~ESA_INT_CLK_SELECT;
1422 if (sc->type == ESS_MAESTRO3) {
1423 data &= ~ESA_INT_CLK_MULT_ENABLE;
1424 data |= ESA_INT_CLK_SRC_NOT_PCI;
1425 }
1426 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2);
1427 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data);
1428
1429 if (sc->type == ESS_ALLEGRO1) {
1430 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG);
1431 data |= ESA_IN_CLK_12MHZ_SELECT;
1432 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data);
1433 }
1434
1435 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A);
1436 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT);
1437 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */
1438 data |= ESA_ASSP_0_WS_ENABLE;
1439 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data);
1440
1441 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP);
1442
1443 return;
1444 }
1445
1446 static uint8_t
1447 esa_assp_halt(struct esa_softc *sc)
1448 {
1449 bus_space_tag_t iot;
1450 bus_space_handle_t ioh;
1451 uint8_t data, reset_state;
1452
1453 iot = sc->sc_iot;
1454 ioh = sc->sc_ioh;
1455 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B);
1456 reset_state = data & ~ESA_REGB_STOP_CLOCK;
1457 delay(10000); /* XXX use tsleep */
1458 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1459 reset_state & ~ESA_REGB_ENABLE_RESET);
1460 delay(10000); /* XXX use tsleep */
1461
1462 return reset_state;
1463 }
1464
1465 static void
1466 esa_codec_reset(struct esa_softc *sc)
1467 {
1468 bus_space_tag_t iot;
1469 bus_space_handle_t ioh;
1470 uint16_t data, dir;
1471 int retry;
1472
1473 iot = sc->sc_iot;
1474 ioh = sc->sc_ioh;
1475 retry = 0;
1476 do {
1477 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION);
1478 dir = data | 0x10; /* assuming pci bus master? */
1479
1480 /* remote codec config */
1481 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B);
1482 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B,
1483 data & ~ESA_SECOND_CODEC_ID_MASK);
1484 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL);
1485 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL,
1486 data & ~ESA_COMMAND_ADDR_OUT);
1487 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL);
1488 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL,
1489 data & ~ESA_STATUS_ADDR_IN);
1490
1491 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A,
1492 ESA_IO_SRAM_ENABLE);
1493 delay(20);
1494
1495 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION,
1496 dir & ~ESA_GPO_PRIMARY_AC97);
1497 bus_space_write_2(iot, ioh, ESA_GPIO_MASK,
1498 ~ESA_GPO_PRIMARY_AC97);
1499 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0);
1500 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION,
1501 dir | ESA_GPO_PRIMARY_AC97);
1502 delay(sc->delay1 * 1000);
1503 bus_space_write_2(iot, ioh, ESA_GPIO_DATA,
1504 ESA_GPO_PRIMARY_AC97);
1505 delay(5);
1506 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A,
1507 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE);
1508 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0);
1509 delay(sc->delay2 * 1000);
1510
1511 esa_read_codec(sc, 0x7c, &data);
1512 if ((data == 0) || (data == 0xffff)) {
1513 retry++;
1514 if (retry > 3) {
1515 printf("%s: esa_codec_reset: failed\n",
1516 sc->sc_dev.dv_xname);
1517 break;
1518 }
1519 printf("%s: esa_codec_reset: retrying\n",
1520 sc->sc_dev.dv_xname);
1521 } else
1522 retry = 0;
1523 } while (retry);
1524
1525 return;
1526 }
1527
1528 static int
1529 esa_amp_enable(struct esa_softc *sc)
1530 {
1531 bus_space_tag_t iot;
1532 bus_space_handle_t ioh;
1533 uint32_t gpo, polarity_port, polarity;
1534 uint16_t data;
1535
1536 iot = sc->sc_iot;
1537 ioh = sc->sc_ioh;
1538 switch (sc->type) {
1539 case ESS_ALLEGRO1:
1540 polarity_port = 0x1800;
1541 break;
1542 case ESS_MAESTRO3:
1543 polarity_port = 0x1100;
1544 break;
1545 default:
1546 printf("%s: esa_amp_enable: Unknown chip type!!!\n",
1547 sc->sc_dev.dv_xname);
1548 return 1;
1549 }
1550
1551 gpo = (polarity_port >> 8) & 0x0f;
1552 polarity = polarity_port >> 12;
1553 polarity = !polarity; /* Enable */
1554 polarity = polarity << gpo;
1555 gpo = 1 << gpo;
1556 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo);
1557 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION);
1558 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo);
1559 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity;
1560 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data);
1561 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0);
1562
1563 return 0;
1564 }
1565
1566 static void
1567 esa_enable_interrupts(struct esa_softc *sc)
1568 {
1569 bus_space_tag_t iot;
1570 bus_space_handle_t ioh;
1571 uint8_t data;
1572
1573 iot = sc->sc_iot;
1574 ioh = sc->sc_ioh;
1575 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
1576 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE);
1577 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C);
1578 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C,
1579 data | ESA_ASSP_HOST_INT_ENABLE);
1580 }
1581
1582 /*
1583 * List management
1584 */
1585 static int
1586 esa_add_list(struct esa_voice *vc, struct esa_list *el,
1587 uint16_t val, int index)
1588 {
1589 struct esa_softc *sc;
1590
1591 sc = (struct esa_softc *)vc->parent;
1592 el->indexmap[index] = el->currlen;
1593 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1594 el->mem_addr + el->currlen,
1595 val);
1596
1597 return el->currlen++;
1598 }
1599
1600 static void
1601 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index)
1602 {
1603 struct esa_softc *sc;
1604 uint16_t val;
1605 int lastindex;
1606 int vindex;
1607 int i;
1608
1609 sc = (struct esa_softc *)vc->parent;
1610 lastindex = el->currlen - 1;
1611 vindex = el->indexmap[index];
1612
1613 /* reset our virtual index */
1614 el->indexmap[index] = -1;
1615
1616 if (vindex != lastindex) {
1617 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1618 el->mem_addr + lastindex);
1619 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1620 el->mem_addr + vindex,
1621 val);
1622 for (i = 0; i < ESA_NUM_VOICES * 2; i++)
1623 if (el->indexmap[i] == lastindex)
1624 break;
1625 if (i >= ESA_NUM_VOICES * 2)
1626 printf("%s: esa_remove_list: invalid task index\n",
1627 sc->sc_dev.dv_xname);
1628 else
1629 el->indexmap[i] = vindex;
1630 }
1631
1632 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1633 el->mem_addr + lastindex, 0);
1634 el->currlen--;
1635
1636 return;
1637 }
1638
1639 static void
1640 esa_powerhook(int why, void *hdl)
1641 {
1642 struct esa_softc *sc;
1643
1644 sc = (struct esa_softc *)hdl;
1645 switch (why) {
1646 case PWR_SUSPEND:
1647 case PWR_STANDBY:
1648 esa_suspend(sc);
1649 break;
1650 case PWR_RESUME:
1651 esa_resume(sc);
1652 sc->codec_if->vtbl->restore_ports(sc->codec_if);
1653 break;
1654 }
1655 }
1656
1657 static int
1658 esa_suspend(struct esa_softc *sc)
1659 {
1660 bus_space_tag_t iot;
1661 bus_space_handle_t ioh;
1662 int i, index;
1663 int error;
1664
1665 iot = sc->sc_iot;
1666 ioh = sc->sc_ioh;
1667 index = 0;
1668
1669 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0);
1670 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0);
1671
1672 esa_assp_halt(sc);
1673
1674 /* Save ASSP state */
1675 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END;
1676 i++)
1677 sc->savemem[index++] = esa_read_assp(sc,
1678 ESA_MEMTYPE_INTERNAL_CODE, i);
1679 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END;
1680 i++)
1681 sc->savemem[index++] = esa_read_assp(sc,
1682 ESA_MEMTYPE_INTERNAL_DATA, i);
1683
1684 if ((error = pci_set_powerstate(sc->sc_pct, sc->sc_tag,
1685 PCI_PMCSR_STATE_D3)))
1686 return error;
1687
1688 return 0;
1689 }
1690
1691 static int
1692 esa_resume(struct esa_softc *sc)
1693 {
1694 bus_space_tag_t iot;
1695 bus_space_handle_t ioh;
1696 int i, index;
1697 uint8_t reset_state;
1698 int error;
1699
1700 iot = sc->sc_iot;
1701 ioh = sc->sc_ioh;
1702 index = 0;
1703
1704 if ((error = pci_set_powerstate(sc->sc_pct, sc->sc_tag,
1705 PCI_PMCSR_STATE_D0)))
1706 return error;
1707 delay(10000);
1708
1709 esa_config(sc);
1710
1711 reset_state = esa_assp_halt(sc);
1712
1713 esa_codec_reset(sc);
1714
1715 /* restore ASSP */
1716 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END;
1717 i++)
1718 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i,
1719 sc->savemem[index++]);
1720 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END;
1721 i++)
1722 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i,
1723 sc->savemem[index++]);
1724
1725 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0);
1726 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1727 reset_state | ESA_REGB_ENABLE_RESET);
1728
1729 esa_enable_interrupts(sc);
1730 esa_amp_enable(sc);
1731
1732 return 0;
1733 }
1734
1735 static uint32_t
1736 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch)
1737 {
1738 uint16_t hi, lo;
1739 uint32_t addr;
1740 int data_offset;
1741
1742 data_offset = ch->data_offset;
1743 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset +
1744 ESA_CDATA_HOST_SRC_CURRENTH);
1745 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset +
1746 ESA_CDATA_HOST_SRC_CURRENTL);
1747
1748 addr = lo | ((uint32_t)hi << 16);
1749 return (addr - ch->start);
1750 }
1751
1752 static paddr_t
1753 esa_mappage(void *addr, void *mem, off_t off, int prot)
1754 {
1755 struct esa_voice *vc;
1756 struct esa_softc *sc;
1757 struct esa_dma *p;
1758
1759 vc = addr;
1760 sc = (struct esa_softc *)vc->parent;
1761 if (off < 0)
1762 return -1;
1763 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next)
1764 continue;
1765 if (p == NULL)
1766 return -1;
1767 return bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs,
1768 off, prot, BUS_DMA_WAITOK);
1769 }
1770