esa.c revision 1.8 1 /* $NetBSD: esa.c,v 1.8 2002/01/23 11:27:59 pooka Exp $ */
2
3 /*
4 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill (at) invisible.yi.org>
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
35 #include <sys/types.h>
36 #include <sys/errno.h>
37 #include <sys/null.h>
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/malloc.h>
41 #include <sys/device.h>
42 #include <sys/conf.h>
43 #include <sys/exec.h>
44 #include <sys/select.h>
45 #include <sys/audioio.h>
46
47 #include <machine/bus.h>
48 #include <machine/intr.h>
49
50 #include <dev/pci/pcidevs.h>
51 #include <dev/pci/pcivar.h>
52
53 #include <dev/audio_if.h>
54 #include <dev/mulaw.h>
55 #include <dev/auconv.h>
56 #include <dev/ic/ac97var.h>
57 #include <dev/ic/ac97reg.h>
58
59 #include <dev/pci/esareg.h>
60 #include <dev/pci/esadsp.h>
61 #include <dev/pci/esavar.h>
62
63 #define PCI_CBIO 0x10
64
65 #define ESA_DAC_DATA 0x1100
66
67 enum {
68 ESS_ALLEGRO1,
69 ESS_MAESTRO3
70 };
71
72 static struct esa_card_type {
73 u_int16_t pci_vendor_id;
74 u_int16_t pci_product_id;
75 int type;
76 int delay1, delay2;
77 } esa_card_types[] = {
78 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ALLEGRO1,
79 ESS_ALLEGRO1, 50, 800 },
80 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3,
81 ESS_MAESTRO3, 20, 500 },
82 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2,
83 ESS_MAESTRO3, 20, 500 },
84 { 0, 0, 0, 0, 0 }
85 };
86
87 struct audio_device esa_device = {
88 "ESS Allegro",
89 "",
90 "esa"
91 };
92
93 int esa_match(struct device *, struct cfdata *, void *);
94 void esa_attach(struct device *, struct device *, void *);
95 int esa_detach(struct device *, int);
96
97 /* audio(9) functions */
98 int esa_open(void *, int);
99 void esa_close(void *);
100 int esa_query_encoding(void *, struct audio_encoding *);
101 int esa_set_params(void *, int, int, struct audio_params *,
102 struct audio_params *);
103 int esa_round_blocksize(void *, int);
104 int esa_init_output(void *, void *, int);
105 int esa_halt_output(void *);
106 int esa_halt_input(void *);
107 int esa_set_port(void *, mixer_ctrl_t *);
108 int esa_get_port(void *, mixer_ctrl_t *);
109 int esa_query_devinfo(void *, mixer_devinfo_t *);
110 void * esa_malloc(void *, int, size_t, int, int);
111 void esa_free(void *, void *, int);
112 int esa_getdev(void *, struct audio_device *);
113 size_t esa_round_buffersize(void *, int, size_t);
114 int esa_get_props(void *);
115 int esa_trigger_output(void *, void *, void *, int,
116 void (*)(void *), void *,
117 struct audio_params *);
118 int esa_trigger_input(void *, void *, void *, int,
119 void (*)(void *), void *,
120 struct audio_params *);
121
122 int esa_intr(void *);
123 int esa_allocmem(struct esa_softc *, size_t, size_t,
124 struct esa_dma *);
125 int esa_freemem(struct esa_softc *, struct esa_dma *);
126 paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot);
127
128 /* Supporting subroutines */
129 u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t);
130 void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t,
131 u_int16_t);
132 int esa_init_codec(struct esa_softc *);
133 int esa_attach_codec(void *, struct ac97_codec_if *);
134 int esa_read_codec(void *, u_int8_t, u_int16_t *);
135 int esa_write_codec(void *, u_int8_t, u_int16_t);
136 void esa_reset_codec(void *);
137 enum ac97_host_flags esa_flags_codec(void *);
138 int esa_wait(struct esa_softc *);
139 int esa_init(struct esa_softc *);
140 void esa_config(struct esa_softc *);
141 u_int8_t esa_assp_halt(struct esa_softc *);
142 void esa_codec_reset(struct esa_softc *);
143 int esa_amp_enable(struct esa_softc *);
144 void esa_enable_interrupts(struct esa_softc *);
145 u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *);
146
147 /* power management */
148 int esa_power(struct esa_softc *, int);
149 void esa_powerhook(int, void *);
150 int esa_suspend(struct esa_softc *);
151 int esa_resume(struct esa_softc *);
152
153 struct device * audio_attach_mi_lkm(struct audio_hw_if *, void *,
154 struct device *);
155
156 static audio_encoding_t esa_encoding[] = {
157 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 0 },
158 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8,
159 AUDIO_ENCODINGFLAG_EMULATED },
160 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, AUDIO_ENCODINGFLAG_EMULATED },
161 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8,
162 AUDIO_ENCODINGFLAG_EMULATED }, /* XXX: Are you sure? */
163 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 0 },
164 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16,
165 AUDIO_ENCODINGFLAG_EMULATED },
166 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16,
167 AUDIO_ENCODINGFLAG_EMULATED },
168 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16,
169 AUDIO_ENCODINGFLAG_EMULATED }
170 };
171
172 #define ESA_NENCODINGS 8
173
174 struct audio_hw_if esa_hw_if = {
175 esa_open,
176 esa_close,
177 NULL, /* drain */
178 esa_query_encoding,
179 esa_set_params,
180 esa_round_blocksize,
181 NULL, /* commit_settings */
182 esa_init_output,
183 NULL, /* esa_init_input */
184 NULL, /* start_output */
185 NULL, /* start_input */
186 esa_halt_output,
187 esa_halt_input,
188 NULL, /* speaker_ctl */
189 esa_getdev,
190 NULL, /* getfd */
191 esa_set_port,
192 esa_get_port,
193 esa_query_devinfo,
194 esa_malloc,
195 esa_free,
196 esa_round_buffersize,
197 esa_mappage,
198 esa_get_props,
199 esa_trigger_output,
200 esa_trigger_input
201 };
202
203 struct cfattach esa_ca = {
204 sizeof(struct esa_softc), esa_match, esa_attach,
205 esa_detach, /*esa_activate*/ NULL
206 };
207
208 /*
209 * audio(9) functions
210 */
211
212 int
213 esa_open(void *hdl, int flags)
214 {
215
216 return (0);
217 }
218
219 void
220 esa_close(void *hdl)
221 {
222
223 return;
224 }
225
226 int
227 esa_query_encoding(void *hdl, struct audio_encoding *ae)
228 {
229
230 if (ae->index < 0 || ae->index >= ESA_NENCODINGS)
231 return (EINVAL);
232 *ae = esa_encoding[ae->index];
233
234 return (0);
235 }
236
237 int
238 esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play,
239 struct audio_params *rec)
240 {
241 struct esa_softc *sc = hdl;
242 struct esa_channel *ch;
243 struct audio_params *p;
244 u_int32_t data;
245 u_int32_t freq;
246 int mode;
247
248 for (mode = AUMODE_RECORD; mode != -1;
249 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) {
250 if ((setmode & mode) == 0)
251 continue;
252
253 switch (mode) {
254 case AUMODE_PLAY:
255 p = play;
256 ch = &sc->play;
257 break;
258 case AUMODE_RECORD:
259 p = rec;
260 ch = &sc->rec;
261 break;
262 }
263
264 if (p->sample_rate < ESA_MINRATE ||
265 p->sample_rate > ESA_MAXRATE ||
266 (p->precision != 8 && p->precision != 16) ||
267 (p->channels < 1 && p->channels > 2))
268 return (EINVAL);
269
270 p->factor = 1;
271 p->sw_code = 0;
272
273 switch(p->encoding) {
274 case AUDIO_ENCODING_SLINEAR_BE:
275 if (p->precision == 16)
276 p->sw_code = swap_bytes;
277 else
278 p->sw_code = change_sign8;
279 break;
280 case AUDIO_ENCODING_SLINEAR_LE:
281 if (p->precision != 16)
282 p->sw_code = change_sign8;
283 break;
284 case AUDIO_ENCODING_ULINEAR_BE:
285 if (p->precision == 16) {
286 if (mode == AUMODE_PLAY)
287 p->sw_code =
288 swap_bytes_change_sign16_le;
289 else
290 p->sw_code =
291 change_sign16_swap_bytes_le;
292 }
293 break;
294 case AUDIO_ENCODING_ULINEAR_LE:
295 if (p->precision == 16)
296 p->sw_code = change_sign16_le;
297 break;
298 case AUDIO_ENCODING_ULAW:
299 if (mode == AUMODE_PLAY) {
300 p->factor = 2;
301 p->sw_code = mulaw_to_slinear16_le;
302 } else
303 p->sw_code = ulinear8_to_mulaw;
304 break;
305 case AUDIO_ENCODING_ALAW:
306 if (mode == AUMODE_PLAY) {
307 p->factor = 2;
308 p->sw_code = alaw_to_slinear16_le;
309 } else
310 p->sw_code = ulinear8_to_alaw;
311 break;
312 default:
313 return (EINVAL);
314 }
315
316 if (p->channels == 1)
317 data = 1;
318 else
319 data = 0;
320 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
321 ch->data_offset + ESA_SRC3_MODE_OFFSET,
322 data);
323
324 if (play->precision * play->factor == 8)
325 data = 1;
326 else
327 data = 0;
328 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
329 ch->data_offset + ESA_SRC3_WORD_LENGTH_OFFSET,
330 data);
331
332 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) {
333 freq--;
334 }
335 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
336 ch->data_offset + ESA_CDATA_FREQUENCY, freq);
337 }
338
339 return (0);
340 }
341
342 int
343 esa_round_blocksize(void *hdl, int bs)
344 {
345 struct esa_softc *sc = hdl;
346
347 sc->play.blksize = sc->rec.blksize = 4096;
348
349 return (sc->play.blksize);
350 }
351
352 int
353 esa_init_output(void *hdl, void *buffer, int size)
354 {
355
356 return (0);
357 }
358
359 int
360 esa_halt_output(void *hdl)
361 {
362 struct esa_softc *sc = hdl;
363
364 if (sc->play.active == 0)
365 return (0);
366
367 sc->play.active = 0;
368
369 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
370 ESA_KDATA_INSTANCE0_MINISRC, 0);
371 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_XFER0, 0);
372 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_MIXER_XFER0, 0);
373
374 return (0);
375 }
376
377 int
378 esa_halt_input(void *hdl)
379 {
380 struct esa_softc *sc = hdl;
381 bus_space_tag_t iot = sc->sc_iot;
382 bus_space_handle_t ioh = sc->sc_ioh;
383 u_int32_t data;
384
385 if (sc->rec.active == 0)
386 return (0);
387
388 sc->rec.active = 0;
389
390 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
391 ESA_KDATA_TIMER_COUNT_RELOAD, 0);
392 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_CURRENT, 0);
393 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
394 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, data & ~ESA_CLKRUN_GEN_ENABLE);
395
396 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, sc->rec.data_offset +
397 ESA_CDATA_INSTANCE_READY, 0);
398 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 0);
399
400 return (0);
401 }
402
403 void *
404 esa_malloc(void *hdl, int direction, size_t size, int type, int flags)
405 {
406 struct esa_softc *sc = hdl;
407 struct esa_dma *p;
408 int error;
409
410 p = malloc(sizeof(*p), type, flags);
411 if (!p)
412 return (0);
413 error = esa_allocmem(sc, size, 16, p);
414 if (error) {
415 free(p, type);
416 printf("%s: esa_malloc: not enough memory\n",
417 sc->sc_dev.dv_xname);
418 return (0);
419 }
420 p->next = sc->sc_dmas;
421 sc->sc_dmas = p;
422
423 return (KERNADDR(p));
424 }
425
426 void
427 esa_free(void *hdl, void *addr, int type)
428 {
429 struct esa_softc *sc = hdl;
430 struct esa_dma *p;
431 struct esa_dma **pp;
432
433 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next)
434 if (KERNADDR(p) == addr) {
435 esa_freemem(sc, p);
436 *pp = p->next;
437 free(p, type);
438 return;
439 }
440 }
441
442 int
443 esa_getdev(void *hdl, struct audio_device *ret)
444 {
445
446 *ret = esa_device;
447
448 return (0);
449 }
450
451 int
452 esa_set_port(void *hdl, mixer_ctrl_t *mc)
453 {
454 struct esa_softc *sc = hdl;
455
456 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc));
457 }
458
459 int
460 esa_get_port(void *hdl, mixer_ctrl_t *mc)
461 {
462 struct esa_softc *sc = hdl;
463
464 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc));
465 }
466
467 int
468 esa_query_devinfo(void *hdl, mixer_devinfo_t *di)
469 {
470 struct esa_softc *sc = hdl;
471
472 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di));
473 }
474
475 size_t
476 esa_round_buffersize(void *hdl, int direction, size_t bufsize)
477 {
478 struct esa_softc *sc = hdl;
479
480 sc->play.bufsize = sc->rec.bufsize = 65536;
481
482 return (sc->play.bufsize);
483 }
484
485 int
486 esa_get_props(void *hdl)
487 {
488
489 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX);
490 }
491
492 int
493 esa_trigger_output(void *hdl, void *start, void *end, int blksize,
494 void (*intr)(void *), void *intrarg,
495 struct audio_params *param)
496 {
497 struct esa_softc *sc = hdl;
498 struct esa_dma *p;
499 bus_space_tag_t iot = sc->sc_iot;
500 bus_space_handle_t ioh = sc->sc_ioh;
501 u_int32_t data;
502 u_int32_t bufaddr;
503 u_int32_t i;
504 size_t size;
505 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
506 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
507 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
508 &~ 255;
509 int dac_data = ESA_DAC_DATA + data_bytes;
510 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
511 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
512 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2);
513 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1;
514 sc->play.data_offset = dac_data;
515
516 if (sc->play.active)
517 return (EINVAL);
518
519 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
520 ;
521 if (!p) {
522 printf("%s: esa_trigger_output: bad addr %p\n",
523 sc->sc_dev.dv_xname, start);
524 return (EINVAL);
525 }
526
527 sc->play.active = 1;
528 sc->play.intr = intr;
529 sc->play.arg = intrarg;
530 sc->play.pos = 0;
531 sc->play.count = 0;
532 sc->play.buf = start;
533 size = (size_t)(((caddr_t)end - (caddr_t)start));
534 bufaddr = DMAADDR(p);
535 sc->play.start = bufaddr;
536
537 #define LO(x) ((x) & 0x0000ffff)
538 #define HI(x) ((x) >> 16)
539
540 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
541 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr));
542 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
543 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr));
544 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
545 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size));
546 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
547 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size));
548 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
549 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr));
550 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
551 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr));
552
553 /* DSP buffers */
554 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
555 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf);
556 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
557 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2));
558 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
559 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf);
560 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
561 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf);
562 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
563 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf);
564 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
565 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2));
566 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
567 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf);
568 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
569 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf);
570
571 /* Some per-client initializers */
572 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
573 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8);
574 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
575 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC);
576 /* Enable or disable low-pass filter? (0xff if rate > 45000) */
577 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
578 ESA_SRC3_DIRECTION_OFFSET + 22, 0);
579 /* Tell it which way DMA is going */
580 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
581 ESA_CDATA_DMA_CONTROL,
582 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR +
583 ESA_DMAC_BLOCKF_SELECTOR);
584
585 /* Set an armload of static initializers */
586 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++)
587 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
588 esa_playvals[i].addr, esa_playvals[i].val);
589
590 /* Put us in the packed task lists */
591 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
592 ESA_KDATA_INSTANCE0_MINISRC,
593 dac_data >> ESA_DP_SHIFT_COUNT);
594 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_XFER0,
595 dac_data >> ESA_DP_SHIFT_COUNT);
596 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_MIXER_XFER0,
597 dac_data >> ESA_DP_SHIFT_COUNT);
598 #undef LO
599 #undef HI
600
601 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
602 ESA_KDATA_TIMER_COUNT_RELOAD, 240);
603 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
604 ESA_KDATA_TIMER_COUNT_CURRENT, 240);
605 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
606 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
607 data | ESA_CLKRUN_GEN_ENABLE);
608
609 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data +
610 ESA_CDATA_INSTANCE_READY, 1);
611 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
612 ESA_KDATA_MIXER_TASK_NUMBER, 1);
613
614 return (0);
615 }
616
617 int
618 esa_trigger_input(void *hdl, void *start, void *end, int blksize,
619 void (*intr)(void *), void *intrarg,
620 struct audio_params *param)
621 {
622 struct esa_softc *sc = hdl;
623 struct esa_dma *p;
624 bus_space_tag_t iot = sc->sc_iot;
625 bus_space_handle_t ioh = sc->sc_ioh;
626 u_int32_t data;
627 u_int32_t bufaddr;
628 u_int32_t i;
629 size_t size;
630 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
631 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
632 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
633 &~ 255;
634 int adc_data = ESA_DAC_DATA + data_bytes + (data_bytes / 2);
635 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
636 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
637 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2);
638 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1;
639 sc->rec.data_offset = adc_data;
640
641 if (sc->rec.active)
642 return (EINVAL);
643
644 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
645 ;
646 if (!p) {
647 printf("%s: esa_trigger_input: bad addr %p\n",
648 sc->sc_dev.dv_xname, start);
649 return (EINVAL);
650 }
651
652 sc->rec.active = 1;
653 sc->rec.intr = intr;
654 sc->rec.arg = intrarg;
655 sc->rec.pos = 0;
656 sc->rec.count = 0;
657 sc->rec.buf = start;
658 size = (size_t)(((caddr_t)end - (caddr_t)start));
659 bufaddr = DMAADDR(p);
660 sc->rec.start = bufaddr;
661
662 #define LO(x) ((x) & 0x0000ffff)
663 #define HI(x) ((x) >> 16)
664
665 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
666 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr));
667 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
668 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr));
669 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
670 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size));
671 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
672 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size));
673 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
674 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr));
675 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
676 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr));
677
678 /* DSP buffers */
679 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
680 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf);
681 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
682 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2));
683 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
684 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf);
685 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
686 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf);
687 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
688 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf);
689 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
690 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2));
691 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
692 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf);
693 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
694 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf);
695
696 /* Some per-client initializers */
697 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
698 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8);
699 /* Tell it which way DMA is going */
700 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
701 ESA_CDATA_DMA_CONTROL,
702 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT +
703 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR);
704
705 /* Set an armload of static initializers */
706 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++)
707 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
708 esa_recvals[i].addr, esa_recvals[i].val);
709
710 /* Put us in the packed task lists */
711 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
712 ESA_KDATA_INSTANCE0_MINISRC,
713 adc_data >> ESA_DP_SHIFT_COUNT);
714 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_XFER0,
715 adc_data >> ESA_DP_SHIFT_COUNT);
716 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_XFER0,
717 adc_data >> ESA_DP_SHIFT_COUNT);
718 #undef LO
719 #undef HI
720
721 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
722 ESA_KDATA_TIMER_COUNT_RELOAD, 240);
723 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
724 ESA_KDATA_TIMER_COUNT_CURRENT, 240);
725 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL);
726 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
727 data | ESA_CLKRUN_GEN_ENABLE);
728
729 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 1);
730 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data +
731 ESA_CDATA_INSTANCE_READY, 1);
732
733 return (0);
734 }
735
736 /* Interrupt handler */
737
738 int
739 esa_intr(void *hdl)
740 {
741 struct esa_softc *sc = hdl;
742 bus_space_tag_t iot = sc->sc_iot;
743 bus_space_handle_t ioh = sc->sc_ioh;
744 u_int32_t status, ctl;
745 u_int32_t pos;
746 u_int32_t diff;
747 u_int32_t play_blksize = sc->play.blksize;
748 u_int32_t play_bufsize = sc->play.bufsize;
749 u_int32_t rec_blksize = sc->rec.blksize;
750 u_int32_t rec_bufsize = sc->rec.bufsize;
751
752 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS);
753 if (!status)
754 return (0);
755
756 /* ack the interrupt */
757 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, 0xff);
758
759 if (status & ESA_HV_INT_PENDING) {
760 u_int8_t event;
761
762 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname);
763 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER);
764 switch(event) {
765 case 0x99:
766 case 0xaa:
767 case 0x66:
768 case 0x88:
769 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname);
770 break;
771 default:
772 printf("%s: unknown hwvol event 0x%02x\n",
773 sc->sc_dev.dv_xname, event);
774 break;
775 }
776 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88);
777 }
778
779 if (status & ESA_ASSP_INT_PENDING) {
780 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B);
781 if (!(ctl & ESA_STOP_ASSP_CLOCK)) {
782 ctl = bus_space_read_1(iot, ioh,
783 ESA_ASSP_HOST_INT_STATUS);
784 if (ctl & ESA_DSP2HOST_REQ_TIMER) {
785 bus_space_write_1(iot, ioh,
786 ESA_ASSP_HOST_INT_STATUS,
787 ESA_DSP2HOST_REQ_TIMER);
788 if (sc->play.active) {
789 pos = esa_get_pointer(sc, &sc->play)
790 % play_bufsize;
791 diff = (play_bufsize + pos - sc->play.pos)
792 % play_bufsize;
793 sc->play.pos = pos;
794 sc->play.count += diff;
795 while(sc->play.count >= play_blksize) {
796 sc->play.count -= play_blksize;
797 (*sc->play.intr)(sc->play.arg);
798 }
799 }
800 if (sc->rec.active) {
801 pos = esa_get_pointer(sc, &sc->rec)
802 % rec_bufsize;
803 diff = (rec_bufsize + pos - sc->rec.pos)
804 % rec_bufsize;
805 sc->rec.pos = pos;
806 sc->rec.count += diff;
807 while(sc->rec.count >= rec_blksize) {
808 sc->rec.count -= rec_blksize;
809 (*sc->rec.intr)(sc->rec.arg);
810 }
811 }
812 }
813 }
814 }
815
816 return (1);
817 }
818
819 int
820 esa_allocmem(struct esa_softc *sc, size_t size, size_t align,
821 struct esa_dma *p)
822 {
823 int error;
824
825 p->size = size;
826 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0,
827 p->segs, sizeof(p->segs) / sizeof(p->segs[0]),
828 &p->nsegs, BUS_DMA_NOWAIT);
829 if (error)
830 return (error);
831
832 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size,
833 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
834 if (error)
835 goto free;
836
837 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0,
838 BUS_DMA_NOWAIT, &p->map);
839 if (error)
840 goto unmap;
841
842 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL,
843 BUS_DMA_NOWAIT);
844 if (error)
845 goto destroy;
846
847 return (0);
848
849 destroy:
850 bus_dmamap_destroy(sc->sc_dmat, p->map);
851 unmap:
852 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
853 free:
854 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
855
856 return (error);
857 }
858
859 int
860 esa_freemem(struct esa_softc *sc, struct esa_dma *p)
861 {
862
863 bus_dmamap_unload(sc->sc_dmat, p->map);
864 bus_dmamap_destroy(sc->sc_dmat, p->map);
865 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
866 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
867
868 return (0);
869 }
870
871 /*
872 * Supporting Subroutines
873 */
874
875 int
876 esa_match(struct device *dev, struct cfdata *match, void *aux)
877 {
878 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
879
880 switch(PCI_VENDOR(pa->pa_id)) {
881 case PCI_VENDOR_ESSTECH:
882 switch(PCI_PRODUCT(pa->pa_id)) {
883 case PCI_PRODUCT_ESSTECH_ALLEGRO1:
884 case PCI_PRODUCT_ESSTECH_MAESTRO3:
885 case PCI_PRODUCT_ESSTECH_MAESTRO3_2:
886 return (1);
887 }
888 }
889
890 return (0);
891 }
892
893 void
894 esa_attach(struct device *parent, struct device *self, void *aux)
895 {
896 struct esa_softc *sc = (struct esa_softc *)self;
897 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
898 pcitag_t tag = pa->pa_tag;
899 pci_chipset_tag_t pc = pa->pa_pc;
900 pci_intr_handle_t ih;
901 struct esa_card_type *card;
902 const char *intrstr;
903 u_int32_t data;
904 char devinfo[256];
905 int revision, len;
906
907 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
908 revision = PCI_REVISION(pa->pa_class);
909 printf(": %s (rev. 0x%02x)\n", devinfo, revision);
910
911 for (card = esa_card_types; card->pci_vendor_id; card++)
912 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id &&
913 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) {
914 sc->type = card->type;
915 sc->delay1 = card->delay1;
916 sc->delay2 = card->delay2;
917 break;
918 }
919
920 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
921 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE
922 | PCI_COMMAND_MASTER_ENABLE);
923 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data);
924
925 /* Map I/O register */
926 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
927 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) {
928 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
929 return;
930 }
931
932 /* Initialize softc */
933 sc->sc_tag = tag;
934 sc->sc_pct = pc;
935 sc->sc_dmat = pa->pa_dmat;
936
937 /* Map and establish an interrupt */
938 if (pci_intr_map(pa, &ih)) {
939 printf("%s: can't map interrupt\n", sc->sc_dev.dv_xname);
940 return;
941 }
942 intrstr = pci_intr_string(pc, ih);
943 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self);
944 if (sc->sc_ih == NULL) {
945 printf("%s: can't establish interrupt", sc->sc_dev.dv_xname);
946 if (intrstr != NULL)
947 printf(" at %s", intrstr);
948 printf("\n");
949 return;
950 }
951 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
952
953 /* Power up chip */
954 esa_power(sc, PCI_PMCSR_STATE_D0);
955
956 /* Init chip */
957 if (esa_init(sc) == -1) {
958 printf("%s: esa_attach: unable to initialize the card\n",
959 sc->sc_dev.dv_xname);
960 return;
961 }
962
963 /* create suspend save area */
964 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH
965 + ESA_REV_B_DATA_MEMORY_LENGTH + 1);
966 sc->savemem = (u_int16_t *)malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO);
967 if (sc->savemem == NULL) {
968 printf("%s: unable to allocate suspend buffer\n",
969 sc->sc_dev.dv_xname);
970 return;
971 }
972
973 /*
974 * Every card I've seen has had their channels swapped with respect
975 * to the mixer. Ie:
976 * $ mixerctl -w outputs.master=0,191
977 * Would result in the _right_ speaker being turned off.
978 *
979 * So, we will swap the left and right mixer channels to compensate
980 * for this.
981 */
982 sc->codec_flags |= AC97_HOST_SWAPPED_CHANNELS;
983 sc->codec_flags |= AC97_HOST_DONT_READ;
984
985 /* Attach AC97 host interface */
986 sc->host_if.arg = self;
987 sc->host_if.attach = esa_attach_codec;
988 sc->host_if.read = esa_read_codec;
989 sc->host_if.write = esa_write_codec;
990 sc->host_if.reset = esa_reset_codec;
991 sc->host_if.flags = esa_flags_codec;
992
993 if (ac97_attach(&sc->host_if) != 0)
994 return;
995
996 sc->sc_audiodev = audio_attach_mi(&esa_hw_if, self, &sc->sc_dev);
997
998 sc->powerhook = powerhook_establish(esa_powerhook, sc);
999 if (sc->powerhook == NULL)
1000 printf("%s: WARNING: unable to establish powerhook\n",
1001 sc->sc_dev.dv_xname);
1002
1003 return;
1004 }
1005
1006 int
1007 esa_detach(struct device *self, int flags)
1008 {
1009 struct esa_softc *sc = (struct esa_softc *)self;
1010 int rv = 0;
1011
1012 if (sc->sc_audiodev != NULL)
1013 rv = config_detach(sc->sc_audiodev, flags);
1014 if (rv)
1015 return (rv);
1016
1017 if (sc->sc_ih != NULL)
1018 pci_intr_disestablish(sc->sc_pct, sc->sc_ih);
1019 if (sc->sc_ios)
1020 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
1021
1022 free(sc->savemem, M_DEVBUF);
1023
1024 return (0);
1025 }
1026
1027 u_int16_t
1028 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index)
1029 {
1030 u_int16_t data;
1031 bus_space_tag_t iot = sc->sc_iot;
1032 bus_space_handle_t ioh = sc->sc_ioh;
1033
1034 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE,
1035 region & ESA_MEMTYPE_MASK);
1036 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index);
1037 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA);
1038
1039 return (data);
1040 }
1041
1042 void
1043 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index,
1044 u_int16_t data)
1045 {
1046 bus_space_tag_t iot = sc->sc_iot;
1047 bus_space_handle_t ioh = sc->sc_ioh;
1048
1049 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE,
1050 region & ESA_MEMTYPE_MASK);
1051 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index);
1052 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data);
1053
1054 return;
1055 }
1056
1057 int
1058 esa_init_codec(struct esa_softc *sc)
1059 {
1060 bus_space_tag_t iot = sc->sc_iot;
1061 bus_space_handle_t ioh = sc->sc_ioh;
1062 u_int32_t data;
1063
1064 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND);
1065
1066 return ((data & 0x1) ? 0 : 1);
1067 }
1068
1069 int
1070 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if)
1071 {
1072 struct esa_softc *sc = aux;
1073
1074 sc->codec_if = codec_if;
1075
1076 return (0);
1077 }
1078
1079 int
1080 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result)
1081 {
1082 struct esa_softc *sc = aux;
1083 bus_space_tag_t iot = sc->sc_iot;
1084 bus_space_handle_t ioh = sc->sc_ioh;
1085
1086 if (esa_wait(sc))
1087 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname);
1088 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80);
1089 delay(50);
1090 if (esa_wait(sc))
1091 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname);
1092 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA);
1093
1094 return (0);
1095 }
1096
1097 int
1098 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data)
1099 {
1100 struct esa_softc *sc = aux;
1101 bus_space_tag_t iot = sc->sc_iot;
1102 bus_space_handle_t ioh = sc->sc_ioh;
1103
1104 if (esa_wait(sc)) {
1105 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname);
1106 return (-1);
1107 }
1108 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data);
1109 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f);
1110 delay(50);
1111
1112 return (0);
1113 }
1114
1115 void
1116 esa_reset_codec(void *aux)
1117 {
1118
1119 return;
1120 }
1121
1122 enum ac97_host_flags
1123 esa_flags_codec(void *aux)
1124 {
1125 struct esa_softc *sc = aux;
1126
1127 return (sc->codec_flags);
1128 }
1129
1130 int
1131 esa_wait(struct esa_softc *sc)
1132 {
1133 int i, val;
1134 bus_space_tag_t iot = sc->sc_iot;
1135 bus_space_handle_t ioh = sc->sc_ioh;
1136
1137 for (i = 0; i < 20; i++) {
1138 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS);
1139 if ((val & 1) == 0)
1140 return (0);
1141 delay(2);
1142 }
1143
1144 return (-1);
1145 }
1146
1147 int
1148 esa_init(struct esa_softc *sc)
1149 {
1150 bus_space_tag_t iot = sc->sc_iot;
1151 bus_space_handle_t ioh = sc->sc_ioh;
1152 pcitag_t tag = sc->sc_tag;
1153 pci_chipset_tag_t pc = sc->sc_pct;
1154 u_int32_t data, i, size;
1155 u_int8_t reset_state;
1156 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) +
1157 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) +
1158 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255)
1159 &~ 255;
1160
1161 /* Disable legacy emulation */
1162 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL);
1163 data |= DISABLE_LEGACY;
1164 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data);
1165
1166 esa_config(sc);
1167
1168 reset_state = esa_assp_halt(sc);
1169
1170 esa_init_codec(sc);
1171 esa_codec_reset(sc);
1172
1173 /* Zero kernel and mixer data */
1174 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA;
1175 for (i = 0; i < size / 2; i++) {
1176 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1177 ESA_KDATA_BASE_ADDR + i, 0);
1178 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1179 ESA_KDATA_BASE_ADDR2 + i, 0);
1180 }
1181
1182 /* Init DMA pointer */
1183 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA,
1184 ESA_KDATA_DMA_XFER0);
1185
1186 /* Write kernel code into memory */
1187 size = sizeof(esa_assp_kernel_image);
1188 for (i = 0; i < size / 2; i++)
1189 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1190 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]);
1191
1192 size = sizeof(esa_assp_minisrc_image);
1193 for (i = 0; i < size / 2; i++)
1194 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i,
1195 esa_assp_minisrc_image[i]);
1196
1197 /* Write the coefficients for the low pass filter */
1198 size = sizeof(esa_minisrc_lpf_image);
1199 for (i = 0; i < size / 2; i++)
1200 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1201 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]);
1202 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE,
1203 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000);
1204 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400);
1205 /* Init the mixer number */
1206 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1207 ESA_KDATA_MIXER_TASK_NUMBER, 0);
1208 /* Extreme kernel master volume */
1209 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DAC_LEFT_VOLUME,
1210 ESA_ARB_VOLUME);
1211 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA,
1212 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME);
1213
1214 if (esa_amp_enable(sc))
1215 return (-1);
1216
1217 /* Zero entire DAC/ADC area */
1218 for (i = 0x1100; i < 0x1c00; i++)
1219 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0);
1220
1221 /* set some sane defaults */
1222 sc->play.data_offset = ESA_DAC_DATA + data_bytes;
1223 sc->rec.data_offset = ESA_DAC_DATA + data_bytes + (data_bytes / 2);
1224
1225 esa_enable_interrupts(sc);
1226
1227 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1228 reset_state | ESA_REGB_ENABLE_RESET);
1229
1230 return (0);
1231 }
1232
1233 void
1234 esa_config(struct esa_softc *sc)
1235 {
1236 bus_space_tag_t iot = sc->sc_iot;
1237 bus_space_handle_t ioh = sc->sc_ioh;
1238 pcitag_t tag = sc->sc_tag;
1239 pci_chipset_tag_t pc = sc->sc_pct;
1240 u_int32_t data;
1241
1242 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG);
1243 data &= ESA_REDUCED_DEBOUNCE;
1244 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING;
1245 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data);
1246
1247 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP);
1248 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG);
1249 data &= ~ESA_INT_CLK_SELECT;
1250 if (sc->type == ESS_MAESTRO3) {
1251 data &= ~ESA_INT_CLK_MULT_ENABLE;
1252 data |= ESA_INT_CLK_SRC_NOT_PCI;
1253 }
1254 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2);
1255 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data);
1256
1257 if (sc->type == ESS_ALLEGRO1) {
1258 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG);
1259 data |= ESA_IN_CLK_12MHZ_SELECT;
1260 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data);
1261 }
1262
1263 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A);
1264 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT);
1265 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */
1266 data |= ESA_ASSP_0_WS_ENABLE;
1267 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data);
1268
1269 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP);
1270
1271 return;
1272 }
1273
1274 u_int8_t
1275 esa_assp_halt(struct esa_softc *sc)
1276 {
1277 bus_space_tag_t iot = sc->sc_iot;
1278 bus_space_handle_t ioh = sc->sc_ioh;
1279 u_int8_t data, reset_state;
1280
1281 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B);
1282 reset_state = data & ~ESA_REGB_STOP_CLOCK;
1283 delay(10000); /* XXX use tsleep */
1284 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1285 reset_state & ~ESA_REGB_ENABLE_RESET);
1286 delay(10000); /* XXX use tsleep */
1287
1288 return (reset_state);
1289 }
1290
1291 void
1292 esa_codec_reset(struct esa_softc *sc)
1293 {
1294 bus_space_tag_t iot = sc->sc_iot;
1295 bus_space_handle_t ioh = sc->sc_ioh;
1296 u_int16_t data, dir;
1297 int retry = 0;
1298
1299 do {
1300 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION);
1301 dir = data | 0x10; /* assuming pci bus master? */
1302
1303 /* remote codec config */
1304 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B);
1305 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B,
1306 data & ~ESA_SECOND_CODEC_ID_MASK);
1307 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL);
1308 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL,
1309 data & ~ESA_COMMAND_ADDR_OUT);
1310 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL);
1311 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL,
1312 data & ~ESA_STATUS_ADDR_IN);
1313
1314 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A,
1315 ESA_IO_SRAM_ENABLE);
1316 delay(20);
1317
1318 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION,
1319 dir & ~ESA_GPO_PRIMARY_AC97);
1320 bus_space_write_2(iot, ioh, ESA_GPIO_MASK,
1321 ~ESA_GPO_PRIMARY_AC97);
1322 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0);
1323 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION,
1324 dir | ESA_GPO_PRIMARY_AC97);
1325 delay(sc->delay1 * 1000);
1326 bus_space_write_2(iot, ioh, ESA_GPIO_DATA,
1327 ESA_GPO_PRIMARY_AC97);
1328 delay(5);
1329 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A,
1330 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE);
1331 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0);
1332 delay(sc->delay2 * 1000);
1333
1334 esa_read_codec(sc, 0x7c, &data);
1335 if ((data == 0) || (data == 0xffff)) {
1336 retry++;
1337 if (retry > 3) {
1338 printf("%s: esa_codec_reset: failed\n",
1339 sc->sc_dev.dv_xname);
1340 break;
1341 }
1342 printf("%s: esa_codec_reset: retrying\n",
1343 sc->sc_dev.dv_xname);
1344 } else
1345 retry = 0;
1346 } while (retry);
1347
1348 return;
1349 }
1350
1351 int
1352 esa_amp_enable(struct esa_softc *sc)
1353 {
1354 bus_space_tag_t iot = sc->sc_iot;
1355 bus_space_handle_t ioh = sc->sc_ioh;
1356 u_int32_t gpo, polarity_port, polarity;
1357 u_int16_t data;
1358
1359 switch (sc->type) {
1360 case ESS_ALLEGRO1:
1361 polarity_port = 0x1800;
1362 break;
1363 case ESS_MAESTRO3:
1364 polarity_port = 0x1100;
1365 break;
1366 default:
1367 printf("%s: esa_amp_enable: Unknown chip type!!!\n",
1368 sc->sc_dev.dv_xname);
1369 return (1);
1370 }
1371
1372 gpo = (polarity_port >> 8) & 0x0f;
1373 polarity = polarity_port >> 12;
1374 polarity = !polarity; /* Enable */
1375 polarity = polarity << gpo;
1376 gpo = 1 << gpo;
1377 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo);
1378 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION);
1379 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo);
1380 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity;
1381 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data);
1382 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0);
1383
1384 return (0);
1385 }
1386
1387 void
1388 esa_enable_interrupts(struct esa_softc *sc)
1389 {
1390 bus_space_tag_t iot = sc->sc_iot;
1391 bus_space_handle_t ioh = sc->sc_ioh;
1392 u_int8_t data;
1393
1394 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL,
1395 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE);
1396 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C);
1397 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C,
1398 data | ESA_ASSP_HOST_INT_ENABLE);
1399 }
1400
1401 int
1402 esa_power(struct esa_softc *sc, int state)
1403 {
1404 pcitag_t tag = sc->sc_tag;
1405 pci_chipset_tag_t pc = sc->sc_pct;
1406 pcireg_t data;
1407 int pmcapreg;
1408
1409 if (pci_get_capability(pc, tag, PCI_CAP_PWRMGMT, &pmcapreg, 0)) {
1410 data = pci_conf_read(pc, tag, pmcapreg + 4);
1411 if ((data && PCI_PMCSR_STATE_MASK) != state)
1412 pci_conf_write(pc, tag, pmcapreg + 4, state);
1413 }
1414
1415 return (0);
1416 }
1417
1418 void
1419 esa_powerhook(int why, void *hdl)
1420 {
1421 struct esa_softc *sc = (struct esa_softc *)hdl;
1422
1423 switch (why) {
1424 case PWR_SUSPEND:
1425 case PWR_STANDBY:
1426 esa_suspend(sc);
1427 break;
1428 case PWR_RESUME:
1429 esa_resume(sc);
1430 (sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1431 break;
1432 }
1433 }
1434
1435 int
1436 esa_suspend(struct esa_softc *sc)
1437 {
1438 bus_space_tag_t iot = sc->sc_iot;
1439 bus_space_handle_t ioh = sc->sc_ioh;
1440 int x, i, index;
1441
1442 index = 0;
1443
1444 x = splaudio();
1445 esa_halt_output(sc);
1446 delay(10000);
1447 splx(x);
1448
1449 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0);
1450 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0);
1451
1452 esa_assp_halt(sc);
1453
1454 /* Save ASSP state */
1455 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END;
1456 i++)
1457 sc->savemem[index++] = esa_read_assp(sc,
1458 ESA_MEMTYPE_INTERNAL_CODE, i);
1459 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END;
1460 i++)
1461 sc->savemem[index++] = esa_read_assp(sc,
1462 ESA_MEMTYPE_INTERNAL_DATA, i);
1463
1464 esa_power(sc, PCI_PMCSR_STATE_D3);
1465
1466 return (0);
1467 }
1468
1469 int
1470 esa_resume(struct esa_softc *sc) {
1471 bus_space_tag_t iot = sc->sc_iot;
1472 bus_space_handle_t ioh = sc->sc_ioh;
1473 int i, index;
1474 u_int8_t reset_state;
1475
1476 index = 0;
1477
1478 esa_power(sc, PCI_PMCSR_STATE_D0);
1479 delay(10000);
1480
1481 esa_config(sc);
1482
1483 reset_state = esa_assp_halt(sc);
1484
1485 /* restore ASSP */
1486 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END;
1487 i++)
1488 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i,
1489 sc->savemem[index++]);
1490 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END;
1491 i++)
1492 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i,
1493 sc->savemem[index++]);
1494
1495 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0);
1496 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B,
1497 reset_state | ESA_REGB_ENABLE_RESET);
1498
1499 esa_enable_interrupts(sc);
1500 esa_amp_enable(sc);
1501
1502 return (0);
1503 }
1504
1505 u_int32_t
1506 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch)
1507 {
1508 u_int16_t hi = 0, lo = 0;
1509 u_int32_t addr;
1510 int data_offset = ch->data_offset;
1511
1512 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset +
1513 ESA_CDATA_HOST_SRC_CURRENTH);
1514 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset +
1515 ESA_CDATA_HOST_SRC_CURRENTL);
1516
1517 addr = lo | ((u_int32_t)hi << 16);
1518 return (addr - ch->start);
1519 }
1520
1521 paddr_t
1522 esa_mappage(void *addr, void *mem, off_t off, int prot)
1523 {
1524 struct esa_softc *sc = addr;
1525 struct esa_dma *p;
1526
1527 if (off < 0)
1528 return (-1);
1529 for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1530 ;
1531 if (!p)
1532 return (-1);
1533 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs,
1534 off, prot, BUS_DMA_WAITOK));
1535 }
1536