eso.c revision 1.4 1 /* $NetBSD: eso.c,v 1.4 1999/08/14 15:05:02 kleink Exp $ */
2
3 /*
4 * Copyright (c) 1999 Klaus J. Klein
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. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 /*
32 * ESS Technology Inc. Solo-1 PCI AudioDrive (ES1938/1946) device driver.
33 */
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/malloc.h>
39 #include <sys/device.h>
40 #include <sys/proc.h>
41
42 #include <dev/pci/pcidevs.h>
43 #include <dev/pci/pcivar.h>
44
45 #include <sys/audioio.h>
46 #include <dev/audio_if.h>
47 #include <dev/midi_if.h>
48
49 #include <dev/mulaw.h>
50 #include <dev/auconv.h>
51
52 #include <dev/ic/mpuvar.h>
53 #include <dev/ic/i8237reg.h>
54 #include <dev/pci/esoreg.h>
55 #include <dev/pci/esovar.h>
56
57 #include <machine/bus.h>
58 #include <machine/intr.h>
59
60 #if BYTE_ORDER == BIG_ENDIAN
61 #include <machine/bswap.h>
62 #define htopci(x) bswap32(x)
63 #define pcitoh(x) bswap32(x)
64 #else
65 #define htopci(x) (x)
66 #define pcitoh(x) (x)
67 #endif
68
69
70 #if defined(AUDIO_DEBUG) || defined(DEBUG)
71 #define DPRINTF(x) printf x
72 #else
73 #define DPRINTF(x)
74 #endif
75
76 struct eso_dma {
77 bus_dmamap_t ed_map;
78 caddr_t ed_addr;
79 bus_dma_segment_t ed_segs[1];
80 int ed_nsegs;
81 size_t ed_size;
82 struct eso_dma * ed_next;
83 };
84
85 #define KVADDR(dma) ((void *)(dma)->ed_addr)
86 #define DMAADDR(dma) ((dma)->ed_map->dm_segs[0].ds_addr)
87
88 /* Autoconfiguration interface */
89 static int eso_match __P((struct device *, struct cfdata *, void *));
90 static void eso_attach __P((struct device *, struct device *, void *));
91 static void eso_defer __P((struct device *));
92
93 struct cfattach eso_ca = {
94 sizeof (struct eso_softc), eso_match, eso_attach
95 };
96
97 /* PCI interface */
98 static int eso_intr __P((void *));
99
100 /* MI audio layer interface */
101 static int eso_open __P((void *, int));
102 static void eso_close __P((void *));
103 static int eso_query_encoding __P((void *, struct audio_encoding *));
104 static int eso_set_params __P((void *, int, int, struct audio_params *,
105 struct audio_params *));
106 static int eso_round_blocksize __P((void *, int));
107 static int eso_halt_output __P((void *));
108 static int eso_halt_input __P((void *));
109 static int eso_getdev __P((void *, struct audio_device *));
110 static int eso_set_port __P((void *, mixer_ctrl_t *));
111 static int eso_get_port __P((void *, mixer_ctrl_t *));
112 static int eso_query_devinfo __P((void *, mixer_devinfo_t *));
113 static void * eso_allocm __P((void *, int, size_t, int, int));
114 static void eso_freem __P((void *, void *, int));
115 static size_t eso_round_buffersize __P((void *, int, size_t));
116 static int eso_mappage __P((void *, void *, int, int));
117 static int eso_get_props __P((void *));
118 static int eso_trigger_output __P((void *, void *, void *, int,
119 void (*)(void *), void *, struct audio_params *));
120 static int eso_trigger_input __P((void *, void *, void *, int,
121 void (*)(void *), void *, struct audio_params *));
122
123 static struct audio_hw_if eso_hw_if = {
124 eso_open,
125 eso_close,
126 NULL, /* drain */
127 eso_query_encoding,
128 eso_set_params,
129 eso_round_blocksize,
130 NULL, /* commit_settings */
131 NULL, /* init_output */
132 NULL, /* init_input */
133 NULL, /* start_output */
134 NULL, /* start_input */
135 eso_halt_output,
136 eso_halt_input,
137 NULL, /* speaker_ctl */
138 eso_getdev,
139 NULL, /* setfd */
140 eso_set_port,
141 eso_get_port,
142 eso_query_devinfo,
143 eso_allocm,
144 eso_freem,
145 eso_round_buffersize,
146 eso_mappage,
147 eso_get_props,
148 eso_trigger_output,
149 eso_trigger_input
150 };
151
152 static const char * const eso_rev2model[] = {
153 "ES1938",
154 "ES1946"
155 };
156
157
158 /*
159 * Utility routines
160 */
161 /* Register access etc. */
162 static uint8_t eso_read_ctlreg __P((struct eso_softc *, uint8_t));
163 static uint8_t eso_read_mixreg __P((struct eso_softc *, uint8_t));
164 static uint8_t eso_read_rdr __P((struct eso_softc *));
165 static int eso_reset __P((struct eso_softc *));
166 static void eso_set_gain __P((struct eso_softc *, unsigned int));
167 static int eso_set_recsrc __P((struct eso_softc *, unsigned int));
168 static void eso_write_cmd __P((struct eso_softc *, uint8_t));
169 static void eso_write_ctlreg __P((struct eso_softc *, uint8_t, uint8_t));
170 static void eso_write_mixreg __P((struct eso_softc *, uint8_t, uint8_t));
171 /* DMA memory allocation */
172 static int eso_allocmem __P((struct eso_softc *, size_t, size_t, size_t,
173 int, struct eso_dma *));
174 static void eso_freemem __P((struct eso_softc *, struct eso_dma *));
175
176
177 static int
178 eso_match(parent, match, aux)
179 struct device *parent;
180 struct cfdata *match;
181 void *aux;
182 {
183 struct pci_attach_args *pa = aux;
184
185 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ESSTECH &&
186 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ESSTECH_SOLO1)
187 return (1);
188
189 return (0);
190 }
191
192 static void
193 eso_attach(parent, self, aux)
194 struct device *parent, *self;
195 void *aux;
196 {
197 struct eso_softc *sc = (struct eso_softc *)self;
198 struct pci_attach_args *pa = aux;
199 struct audio_attach_args aa;
200 pci_intr_handle_t ih;
201 bus_addr_t vcbase;
202 const char *intrstring;
203 int idx;
204 uint8_t a2mode;
205
206 sc->sc_revision = PCI_REVISION(pa->pa_class);
207
208 printf(": ESS Solo-1 PCI AudioDrive ");
209 if (sc->sc_revision <=
210 sizeof (eso_rev2model) / sizeof (eso_rev2model[0]))
211 printf("%s\n", eso_rev2model[sc->sc_revision]);
212 else
213 printf("(unknown rev. 0x%02x)\n", sc->sc_revision);
214
215 /* Map I/O registers. */
216 if (pci_mapreg_map(pa, ESO_PCI_BAR_IO, PCI_MAPREG_TYPE_IO, 0,
217 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
218 printf("%s: can't map I/O space\n", sc->sc_dev.dv_xname);
219 return;
220 }
221 if (pci_mapreg_map(pa, ESO_PCI_BAR_SB, PCI_MAPREG_TYPE_IO, 0,
222 &sc->sc_sb_iot, &sc->sc_sb_ioh, NULL, NULL)) {
223 printf("%s: can't map SB I/O space\n", sc->sc_dev.dv_xname);
224 return;
225 }
226 if (pci_mapreg_map(pa, ESO_PCI_BAR_VC, PCI_MAPREG_TYPE_IO, 0,
227 &sc->sc_dmac_iot, &sc->sc_dmac_ioh, &vcbase, &sc->sc_vcsize)) {
228 printf("%s: can't map VC I/O space\n", sc->sc_dev.dv_xname);
229 /* Don't bail out yet: we can map it later, see below. */
230 vcbase = 0;
231 sc->sc_vcsize = 0x10; /* From the data sheet. */
232 }
233
234 if (pci_mapreg_map(pa, ESO_PCI_BAR_MPU, PCI_MAPREG_TYPE_IO, 0,
235 &sc->sc_mpu_iot, &sc->sc_mpu_ioh, NULL, NULL)) {
236 printf("%s: can't map MPU I/O space\n", sc->sc_dev.dv_xname);
237 return;
238 }
239 if (pci_mapreg_map(pa, ESO_PCI_BAR_GAME, PCI_MAPREG_TYPE_IO, 0,
240 &sc->sc_game_iot, &sc->sc_game_ioh, NULL, NULL)) {
241 printf("%s: can't map Game I/O space\n", sc->sc_dev.dv_xname);
242 return;
243 }
244
245 sc->sc_dmat = pa->pa_dmat;
246 sc->sc_dmas = NULL;
247 sc->sc_dmac_configured = 0;
248
249 /* Enable bus mastering. */
250 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
251 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
252 PCI_COMMAND_MASTER_ENABLE);
253
254 /* Reset the device; bail out upon failure. */
255 if (eso_reset(sc) != 0) {
256 printf("%s: can't reset\n", sc->sc_dev.dv_xname);
257 return;
258 }
259
260 /* Select the DMA/IRQ policy: DDMA, ISA IRQ emulation disabled. */
261 pci_conf_write(pa->pa_pc, pa->pa_tag, ESO_PCI_S1C,
262 pci_conf_read(pa->pa_pc, pa->pa_tag, ESO_PCI_S1C) &
263 ~(ESO_PCI_S1C_IRQP_MASK | ESO_PCI_S1C_DMAP_MASK));
264
265 /* Enable the relevant DMA interrupts. */
266 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_IRQCTL,
267 ESO_IO_IRQCTL_A1IRQ | ESO_IO_IRQCTL_A2IRQ);
268
269 /* Set up A1's sample rate generator for new-style parameters. */
270 a2mode = eso_read_mixreg(sc, ESO_MIXREG_A2MODE);
271 a2mode |= ESO_MIXREG_A2MODE_NEWA1 | ESO_MIXREG_A2MODE_ASYNC;
272 eso_write_mixreg(sc, ESO_MIXREG_A2MODE, a2mode);
273
274 /* Set mixer regs to something reasonable, needs work. */
275 for (idx = 0; idx < ESO_NGAINDEVS; idx++) {
276 int v;
277
278 switch (idx) {
279 case ESO_MIC_PLAY_VOL:
280 case ESO_LINE_PLAY_VOL:
281 case ESO_CD_PLAY_VOL:
282 case ESO_MONO_PLAY_VOL:
283 case ESO_AUXB_PLAY_VOL:
284 case ESO_DAC_REC_VOL:
285 case ESO_LINE_REC_VOL:
286 case ESO_SYNTH_REC_VOL:
287 case ESO_CD_REC_VOL:
288 case ESO_MONO_REC_VOL:
289 case ESO_AUXB_REC_VOL:
290 case ESO_SPATIALIZER:
291 v = 0;
292 break;
293 case ESO_MASTER_VOL:
294 v = ESO_GAIN_TO_6BIT(AUDIO_MAX_GAIN / 2);
295 break;
296 default:
297 v = ESO_GAIN_TO_4BIT(AUDIO_MAX_GAIN / 2);
298 break;
299 }
300 sc->sc_gain[idx][ESO_LEFT] = sc->sc_gain[idx][ESO_RIGHT] = v;
301 eso_set_gain(sc, idx);
302 }
303 eso_set_recsrc(sc, ESO_MIXREG_ERS_MIC);
304
305 /* Map and establish the interrupt. */
306 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
307 pa->pa_intrline, &ih)) {
308 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
309 return;
310 }
311 intrstring = pci_intr_string(pa->pa_pc, ih);
312 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, eso_intr, sc);
313 if (sc->sc_ih == NULL) {
314 printf("%s: couldn't establish interrupt",
315 sc->sc_dev.dv_xname);
316 if (intrstring != NULL)
317 printf(" at %s", intrstring);
318 printf("\n");
319 return;
320 }
321 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstring);
322
323 /*
324 * Set up the DDMA Control register; a suitable I/O region has been
325 * supposedly mapped in the VC base address register.
326 *
327 * The Solo-1 has an ... interesting silicon bug that causes it to
328 * not respond to I/O space accesses to the Audio 1 DMA controller
329 * if the latter's mapping base address is aligned on a 1K boundary.
330 * As a consequence, it is quite possible for the mapping provided
331 * in the VC BAR to be useless. To work around this, we defer this
332 * part until all autoconfiguration on our parent bus is completed
333 * and then try to map it ourselves in fulfillment of the constraint.
334 *
335 * According to the register map we may write to the low 16 bits
336 * only, but experimenting has shown we're safe.
337 * -kjk
338 */
339 if (ESO_VALID_DDMAC_BASE(vcbase)) {
340 pci_conf_write(pa->pa_pc, pa->pa_tag, ESO_PCI_DDMAC,
341 vcbase | ESO_PCI_DDMAC_DE);
342 sc->sc_dmac_configured = 1;
343
344 printf("%s: mapping Audio 1 DMA using VC I/O space at 0x%lx\n",
345 sc->sc_dev.dv_xname, (unsigned long)vcbase);
346 } else {
347 DPRINTF(("%s: VC I/O space at 0x%lx not suitable, deferring\n",
348 sc->sc_dev.dv_xname, (unsigned long)vcbase));
349 sc->sc_pa = *pa;
350 config_defer(self, eso_defer);
351 }
352
353 audio_attach_mi(&eso_hw_if, sc, &sc->sc_dev);
354
355 aa.type = AUDIODEV_TYPE_OPL;
356 aa.hwif = NULL;
357 aa.hdl = NULL;
358 (void)config_found(&sc->sc_dev, &aa, audioprint);
359
360 #if 0
361 aa.type = AUDIODEV_TYPE_MPU;
362 aa.hwif = NULL;
363 aa.hdl = NULL;
364 sc->sc_mpudev = config_found(&sc->sc_dev, &aa, audioprint);
365 #endif
366 }
367
368 static void
369 eso_defer(self)
370 struct device *self;
371 {
372 struct eso_softc *sc = (struct eso_softc *)self;
373 struct pci_attach_args *pa = &sc->sc_pa;
374 bus_addr_t addr, start;
375
376 printf("%s: ", sc->sc_dev.dv_xname);
377
378 /*
379 * This is outright ugly, but since we must not make assumptions
380 * on the underlying allocator's behaviour it's the most straight-
381 * forward way to implement it. Note that we skip over the first
382 * 1K region, which is typically occupied by an attached ISA bus.
383 */
384 for (start = 0x0400; start < 0xffff; start += 0x0400) {
385 if (bus_space_alloc(sc->sc_iot,
386 start + sc->sc_vcsize, start + 0x0400 - 1,
387 sc->sc_vcsize, sc->sc_vcsize, 0, 0, &addr,
388 &sc->sc_dmac_ioh) != 0)
389 continue;
390
391 pci_conf_write(pa->pa_pc, pa->pa_tag, ESO_PCI_DDMAC,
392 addr | ESO_PCI_DDMAC_DE);
393 sc->sc_dmac_iot = sc->sc_iot;
394 sc->sc_dmac_configured = 1;
395 printf("mapping Audio 1 DMA using I/O space at 0x%lx\n",
396 (unsigned long)addr);
397
398 return;
399 }
400
401 printf("can't map Audio 1 DMA into I/O space\n");
402 }
403
404 static void
405 eso_write_cmd(sc, cmd)
406 struct eso_softc *sc;
407 uint8_t cmd;
408 {
409 int i;
410
411 /* Poll for busy indicator to become clear. */
412 for (i = 0; i < ESO_WDR_TIMEOUT; i++) {
413 if ((bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RSR)
414 & ESO_SB_RSR_BUSY) == 0) {
415 bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh,
416 ESO_SB_WDR, cmd);
417 return;
418 } else {
419 delay(10);
420 }
421 }
422
423 printf("%s: WDR timeout\n", sc->sc_dev.dv_xname);
424 return;
425 }
426
427 /* Write to a controller register */
428 static void
429 eso_write_ctlreg(sc, reg, val)
430 struct eso_softc *sc;
431 uint8_t reg, val;
432 {
433
434 /* DPRINTF(("ctlreg 0x%02x = 0x%02x\n", reg, val)); */
435
436 eso_write_cmd(sc, reg);
437 eso_write_cmd(sc, val);
438 }
439
440 /* Read out the Read Data Register */
441 static uint8_t
442 eso_read_rdr(sc)
443 struct eso_softc *sc;
444 {
445 int i;
446
447 for (i = 0; i < ESO_RDR_TIMEOUT; i++) {
448 if (bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh,
449 ESO_SB_RBSR) & ESO_SB_RBSR_RDAV) {
450 return (bus_space_read_1(sc->sc_sb_iot,
451 sc->sc_sb_ioh, ESO_SB_RDR));
452 } else {
453 delay(10);
454 }
455 }
456
457 printf("%s: RDR timeout\n", sc->sc_dev.dv_xname);
458 return (-1);
459 }
460
461
462 static uint8_t
463 eso_read_ctlreg(sc, reg)
464 struct eso_softc *sc;
465 uint8_t reg;
466 {
467
468 eso_write_cmd(sc, ESO_CMD_RCR);
469 eso_write_cmd(sc, reg);
470 return (eso_read_rdr(sc));
471 }
472
473 static void
474 eso_write_mixreg(sc, reg, val)
475 struct eso_softc *sc;
476 uint8_t reg, val;
477 {
478 int s;
479
480 /* DPRINTF(("mixreg 0x%02x = 0x%02x\n", reg, val)); */
481
482 s = splaudio();
483 bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERADDR, reg);
484 bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERDATA, val);
485 splx(s);
486 }
487
488 static uint8_t
489 eso_read_mixreg(sc, reg)
490 struct eso_softc *sc;
491 uint8_t reg;
492 {
493 int s;
494 uint8_t val;
495
496 s = splaudio();
497 bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERADDR, reg);
498 val = bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERDATA);
499 splx(s);
500
501 return (val);
502 }
503
504 static int
505 eso_intr(hdl)
506 void *hdl;
507 {
508 struct eso_softc *sc = hdl;
509 uint8_t irqctl;
510
511 irqctl = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ESO_IO_IRQCTL);
512
513 /* If it wasn't ours, that's all she wrote. */
514 if ((irqctl & (ESO_IO_IRQCTL_A1IRQ | ESO_IO_IRQCTL_A2IRQ)) == 0)
515 return (0);
516
517 if (irqctl & ESO_IO_IRQCTL_A1IRQ) {
518 /* Clear interrupt. */
519 (void)bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh,
520 ESO_SB_RBSR);
521
522 if (sc->sc_rintr)
523 sc->sc_rintr(sc->sc_rarg);
524 else
525 wakeup(&sc->sc_rintr);
526 }
527
528 if (irqctl & ESO_IO_IRQCTL_A2IRQ) {
529 /*
530 * Clear the A2 IRQ latch: the cached value reflects the
531 * current DAC settings with the IRQ latch bit not set.
532 */
533 eso_write_mixreg(sc, ESO_MIXREG_A2C2, sc->sc_a2c2);
534
535 if (sc->sc_pintr)
536 sc->sc_pintr(sc->sc_parg);
537 else
538 wakeup(&sc->sc_pintr);
539 }
540
541 #if 0
542 if ((irqctl & ESO_IO_IRQCTL_MPUIRQ) && sc->sc_mpudev != 0)
543 mpu_intr(sc->sc_mpudev);
544 #endif
545
546 return (1);
547 }
548
549 /* Perform a software reset, including DMA FIFOs. */
550 static int
551 eso_reset(sc)
552 struct eso_softc *sc;
553 {
554 int i;
555
556 bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RESET,
557 ESO_SB_RESET_SW | ESO_SB_RESET_FIFO);
558 /* `Delay' suggested in the data sheet. */
559 (void)bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_STATUS);
560 bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RESET, 0);
561
562 /* Wait for reset to take effect. */
563 for (i = 0; i < ESO_RESET_TIMEOUT; i++) {
564 /* Poll for data to become available. */
565 if ((bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh,
566 ESO_SB_RBSR) & ESO_SB_RBSR_RDAV) != 0 &&
567 bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh,
568 ESO_SB_RDR) == ESO_SB_RDR_RESETMAGIC) {
569
570 /* Activate Solo-1 extension commands. */
571 eso_write_cmd(sc, ESO_CMD_EXTENB);
572 /* Reset mixer registers. */
573 eso_write_mixreg(sc, ESO_MIXREG_RESET,
574 ESO_MIXREG_RESET_RESET);
575
576 return (0);
577 } else {
578 delay(1000);
579 }
580 }
581
582 printf("%s: reset timeout\n", sc->sc_dev.dv_xname);
583 return (-1);
584 }
585
586
587 /* ARGSUSED */
588 static int
589 eso_open(hdl, flags)
590 void *hdl;
591 int flags;
592 {
593 struct eso_softc *sc = hdl;
594
595 DPRINTF(("%s: open\n", sc->sc_dev.dv_xname));
596
597 sc->sc_pintr = NULL;
598 sc->sc_rintr = NULL;
599
600 return (0);
601 }
602
603 static void
604 eso_close(hdl)
605 void *hdl;
606 {
607
608 DPRINTF(("%s: close\n", ((struct eso_softc *)hdl)->sc_dev.dv_xname));
609 }
610
611 static int
612 eso_query_encoding(hdl, fp)
613 void *hdl;
614 struct audio_encoding *fp;
615 {
616
617 switch (fp->index) {
618 case 0:
619 strcpy(fp->name, AudioEulinear);
620 fp->encoding = AUDIO_ENCODING_ULINEAR;
621 fp->precision = 8;
622 fp->flags = 0;
623 break;
624 case 1:
625 strcpy(fp->name, AudioEmulaw);
626 fp->encoding = AUDIO_ENCODING_ULAW;
627 fp->precision = 8;
628 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
629 break;
630 case 2:
631 strcpy(fp->name, AudioEalaw);
632 fp->encoding = AUDIO_ENCODING_ALAW;
633 fp->precision = 8;
634 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
635 break;
636 case 3:
637 strcpy(fp->name, AudioEslinear);
638 fp->encoding = AUDIO_ENCODING_SLINEAR;
639 fp->precision = 8;
640 fp->flags = 0;
641 break;
642 case 4:
643 strcpy(fp->name, AudioEslinear_le);
644 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
645 fp->precision = 16;
646 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
647 break;
648 case 5:
649 strcpy(fp->name, AudioEulinear_le);
650 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
651 fp->precision = 16;
652 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
653 break;
654 case 6:
655 strcpy(fp->name, AudioEslinear_be);
656 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
657 fp->precision = 16;
658 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
659 break;
660 case 7:
661 strcpy(fp->name, AudioEulinear_be);
662 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
663 fp->precision = 16;
664 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
665 break;
666 default:
667 return (EINVAL);
668 }
669
670 return (0);
671 }
672
673 static int
674 eso_set_params(hdl, setmode, usemode, play, rec)
675 void *hdl;
676 int setmode, usemode;
677 struct audio_params *play, *rec;
678 {
679 struct eso_softc *sc = hdl;
680 struct audio_params *p;
681 int mode, r[2], rd[2], clk;
682 unsigned int srg, fltdiv;
683
684 for (mode = AUMODE_RECORD; mode != -1;
685 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
686 if ((setmode & mode) == 0)
687 continue;
688
689 p = (mode == AUMODE_PLAY) ? play : rec;
690
691 if (p->sample_rate < ESO_MINRATE ||
692 p->sample_rate > ESO_MAXRATE ||
693 (p->precision != 8 && p->precision != 16) ||
694 (p->channels != 1 && p->channels != 2))
695 return (EINVAL);
696
697 p->factor = 1;
698 p->sw_code = NULL;
699 switch (p->encoding) {
700 case AUDIO_ENCODING_SLINEAR_BE:
701 case AUDIO_ENCODING_ULINEAR_BE:
702 if (mode == AUMODE_PLAY && p->precision == 16)
703 p->sw_code = swap_bytes;
704 break;
705 case AUDIO_ENCODING_SLINEAR_LE:
706 case AUDIO_ENCODING_ULINEAR_LE:
707 if (mode == AUMODE_RECORD && p->precision == 16)
708 p->sw_code = swap_bytes;
709 break;
710 case AUDIO_ENCODING_ULAW:
711 if (mode == AUMODE_PLAY) {
712 p->factor = 2;
713 p->sw_code = mulaw_to_ulinear16;
714 } else {
715 p->sw_code = ulinear8_to_mulaw;
716 }
717 break;
718 case AUDIO_ENCODING_ALAW:
719 if (mode == AUMODE_PLAY) {
720 p->factor = 2;
721 p->sw_code = alaw_to_ulinear16;
722 } else {
723 p->sw_code = ulinear8_to_alaw;
724 }
725 break;
726 default:
727 return (EINVAL);
728 }
729
730 /*
731 * We'll compute both possible sample rate dividers and pick
732 * the one with the least error.
733 */
734 #define ABS(x) ((x) < 0 ? -(x) : (x))
735 r[0] = ESO_CLK0 /
736 (128 - (rd[0] = 128 - ESO_CLK0 / p->sample_rate));
737 r[1] = ESO_CLK1 /
738 (128 - (rd[1] = 128 - ESO_CLK1 / p->sample_rate));
739
740 clk = ABS(p->sample_rate - r[0]) > ABS(p->sample_rate - r[1]);
741 srg = rd[clk] | (clk == 1 ? ESO_CLK1_SELECT : 0x00);
742
743 /* Roll-off frequency of 87%, as in the ES1888 driver. */
744 fltdiv = 256 - 200279L / p->sample_rate;
745
746 /* Update to reflect the possibly inexact rate. */
747 p->sample_rate = r[clk];
748
749 if (mode == AUMODE_RECORD) {
750 /* Audio 1 */
751 DPRINTF(("A1 srg 0x%02x fdiv 0x%02x\n", srg, fltdiv));
752 eso_write_ctlreg(sc, ESO_CTLREG_SRG, srg);
753 eso_write_ctlreg(sc, ESO_CTLREG_FLTDIV, fltdiv);
754 } else {
755 /* Audio 2 */
756 DPRINTF(("A2 srg 0x%02x fdiv 0x%02x\n", srg, fltdiv));
757 eso_write_mixreg(sc, ESO_MIXREG_A2SRG, srg);
758 eso_write_mixreg(sc, ESO_MIXREG_A2FLTDIV, fltdiv);
759 }
760 #undef ABS
761
762 }
763
764 return (0);
765 }
766
767 static int
768 eso_round_blocksize(hdl, blk)
769 void *hdl;
770 int blk;
771 {
772
773 return (blk & -32); /* keep good alignment; at least 16 req'd */
774 }
775
776 static int
777 eso_halt_output(hdl)
778 void *hdl;
779 {
780 struct eso_softc *sc = hdl;
781 int error, s;
782
783 DPRINTF(("%s: halt_output\n", sc->sc_dev.dv_xname));
784
785 /*
786 * Disable auto-initialize DMA, allowing the FIFO to drain and then
787 * stop. The interrupt callback pointer is cleared at this
788 * point so that an outstanding FIFO interrupt for the remaining data
789 * will be acknowledged without further processing.
790 *
791 * This does not immediately `abort' an operation in progress (c.f.
792 * audio(9)) but is the method to leave the FIFO behind in a clean
793 * state with the least hair. (Besides, that item needs to be
794 * rephrased for trigger_*()-based DMA environments.)
795 */
796 s = splaudio();
797 eso_write_mixreg(sc, ESO_MIXREG_A2C1,
798 ESO_MIXREG_A2C1_FIFOENB | ESO_MIXREG_A2C1_DMAENB);
799 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM,
800 ESO_IO_A2DMAM_DMAENB);
801
802 sc->sc_pintr = NULL;
803 error = tsleep(&sc->sc_pintr, PCATCH | PWAIT, "esoho", hz);
804 splx(s);
805
806 /* Shut down DMA completely. */
807 eso_write_mixreg(sc, ESO_MIXREG_A2C1, 0);
808 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM, 0);
809
810 return (error == EWOULDBLOCK ? 0 : error);
811 }
812
813 static int
814 eso_halt_input(hdl)
815 void *hdl;
816 {
817 struct eso_softc *sc = hdl;
818 int error, s;
819
820 DPRINTF(("%s: halt_input\n", sc->sc_dev.dv_xname));
821
822 /* Just like eso_halt_output(), but for Audio 1. */
823 s = splaudio();
824 eso_write_ctlreg(sc, ESO_CTLREG_A1C2,
825 ESO_CTLREG_A1C2_READ | ESO_CTLREG_A1C2_ADC |
826 ESO_CTLREG_A1C2_DMAENB);
827 bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MODE,
828 DMA37MD_WRITE | DMA37MD_DEMAND);
829
830 sc->sc_rintr = NULL;
831 error = tsleep(&sc->sc_rintr, PCATCH | PWAIT, "esohi", hz);
832 splx(s);
833
834 /* Shut down DMA completely. */
835 eso_write_ctlreg(sc, ESO_CTLREG_A1C2,
836 ESO_CTLREG_A1C2_READ | ESO_CTLREG_A1C2_ADC);
837 bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MASK,
838 ESO_DMAC_MASK_MASK);
839
840 return (error == EWOULDBLOCK ? 0 : error);
841 }
842
843 /* ARGSUSED */
844 static int
845 eso_getdev(hdl, retp)
846 void *hdl;
847 struct audio_device *retp;
848 {
849 struct eso_softc *sc = hdl;
850
851 strncpy(retp->name, "ESS Solo-1", sizeof (retp->name));
852 snprintf(retp->version, sizeof (retp->version), "0x%02x",
853 sc->sc_revision);
854 if (sc->sc_revision <=
855 sizeof (eso_rev2model) / sizeof (eso_rev2model[0]))
856 strncpy(retp->config, eso_rev2model[sc->sc_revision],
857 sizeof (retp->config));
858 else
859 strncpy(retp->config, "unknown", sizeof (retp->config));
860
861 return (0);
862 }
863
864 static int
865 eso_set_port(hdl, cp)
866 void *hdl;
867 mixer_ctrl_t *cp;
868 {
869 struct eso_softc *sc = hdl;
870 unsigned int lgain, rgain;
871 uint8_t tmp;
872
873 switch (cp->dev) {
874 case ESO_DAC_PLAY_VOL:
875 case ESO_MIC_PLAY_VOL:
876 case ESO_LINE_PLAY_VOL:
877 case ESO_SYNTH_PLAY_VOL:
878 case ESO_CD_PLAY_VOL:
879 case ESO_AUXB_PLAY_VOL:
880 case ESO_RECORD_VOL:
881 case ESO_DAC_REC_VOL:
882 case ESO_MIC_REC_VOL:
883 case ESO_LINE_REC_VOL:
884 case ESO_SYNTH_REC_VOL:
885 case ESO_CD_REC_VOL:
886 case ESO_AUXB_REC_VOL:
887 if (cp->type != AUDIO_MIXER_VALUE)
888 return (EINVAL);
889
890 /*
891 * Stereo-capable mixer ports: if we get a single-channel
892 * gain value passed in, then we duplicate it to both left
893 * and right channels.
894 */
895 switch (cp->un.value.num_channels) {
896 case 1:
897 lgain = rgain = ESO_GAIN_TO_4BIT(
898 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
899 break;
900 case 2:
901 lgain = ESO_GAIN_TO_4BIT(
902 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]);
903 rgain = ESO_GAIN_TO_4BIT(
904 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]);
905 break;
906 default:
907 return (EINVAL);
908 }
909
910 sc->sc_gain[cp->dev][ESO_LEFT] = lgain;
911 sc->sc_gain[cp->dev][ESO_RIGHT] = rgain;
912 eso_set_gain(sc, cp->dev);
913 break;
914
915 case ESO_MASTER_VOL:
916 if (cp->type != AUDIO_MIXER_VALUE)
917 return (EINVAL);
918
919 /* Like above, but a precision of 6 bits. */
920 switch (cp->un.value.num_channels) {
921 case 1:
922 lgain = rgain = ESO_GAIN_TO_6BIT(
923 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
924 break;
925 case 2:
926 lgain = ESO_GAIN_TO_6BIT(
927 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]);
928 rgain = ESO_GAIN_TO_6BIT(
929 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]);
930 break;
931 default:
932 return (EINVAL);
933 }
934
935 sc->sc_gain[cp->dev][ESO_LEFT] = lgain;
936 sc->sc_gain[cp->dev][ESO_RIGHT] = rgain;
937 eso_set_gain(sc, cp->dev);
938 break;
939
940 case ESO_SPATIALIZER:
941 if (cp->type != AUDIO_MIXER_VALUE ||
942 cp->un.value.num_channels != 1)
943 return (EINVAL);
944
945 sc->sc_gain[cp->dev][ESO_LEFT] =
946 sc->sc_gain[cp->dev][ESO_RIGHT] =
947 ESO_GAIN_TO_6BIT(
948 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
949 eso_set_gain(sc, cp->dev);
950 break;
951
952 case ESO_MONO_PLAY_VOL:
953 case ESO_MONO_REC_VOL:
954 if (cp->type != AUDIO_MIXER_VALUE ||
955 cp->un.value.num_channels != 1)
956 return (EINVAL);
957
958 sc->sc_gain[cp->dev][ESO_LEFT] =
959 sc->sc_gain[cp->dev][ESO_RIGHT] =
960 ESO_GAIN_TO_4BIT(
961 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
962 eso_set_gain(sc, cp->dev);
963 break;
964
965 case ESO_PCSPEAKER_VOL:
966 if (cp->type != AUDIO_MIXER_VALUE ||
967 cp->un.value.num_channels != 1)
968 return (EINVAL);
969
970 sc->sc_gain[cp->dev][ESO_LEFT] =
971 sc->sc_gain[cp->dev][ESO_RIGHT] =
972 ESO_GAIN_TO_3BIT(
973 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
974 eso_set_gain(sc, cp->dev);
975 break;
976
977 case ESO_SPATIALIZER_ENABLE:
978 if (cp->type != AUDIO_MIXER_ENUM)
979 return (EINVAL);
980
981 sc->sc_spatializer = (cp->un.ord != 0);
982
983 tmp = eso_read_mixreg(sc, ESO_MIXREG_SPAT);
984 if (sc->sc_spatializer)
985 tmp |= ESO_MIXREG_SPAT_ENB;
986 else
987 tmp &= ~ESO_MIXREG_SPAT_ENB;
988 eso_write_mixreg(sc, ESO_MIXREG_SPAT,
989 tmp | ESO_MIXREG_SPAT_RSTREL);
990 break;
991
992 case ESO_MONOOUT_SOURCE:
993 if (cp->type != AUDIO_MIXER_ENUM)
994 return (EINVAL);
995
996 sc->sc_monooutsrc = cp->un.ord;
997
998 tmp = eso_read_mixreg(sc, ESO_MIXREG_MPM);
999 tmp &= ~ESO_MIXREG_MPM_MOMASK;
1000 tmp |= sc->sc_monooutsrc;
1001 eso_write_mixreg(sc, ESO_MIXREG_MPM, tmp);
1002 break;
1003
1004 case ESO_RECORD_MONITOR:
1005 if (cp->type != AUDIO_MIXER_ENUM)
1006 return (EINVAL);
1007
1008 sc->sc_recmon = (cp->un.ord != 0);
1009
1010 tmp = eso_read_ctlreg(sc, ESO_CTLREG_ACTL);
1011 if (sc->sc_recmon)
1012 tmp |= ESO_CTLREG_ACTL_RECMON;
1013 else
1014 tmp &= ~ESO_CTLREG_ACTL_RECMON;
1015 eso_write_ctlreg(sc, ESO_CTLREG_ACTL, tmp);
1016 break;
1017
1018 case ESO_RECORD_SOURCE:
1019 if (cp->type != AUDIO_MIXER_ENUM)
1020 return (EINVAL);
1021
1022 return (eso_set_recsrc(sc, cp->un.ord));
1023
1024 case ESO_MIC_PREAMP:
1025 if (cp->type != AUDIO_MIXER_ENUM)
1026 return (EINVAL);
1027
1028 sc->sc_preamp = (cp->un.ord != 0);
1029
1030 tmp = eso_read_mixreg(sc, ESO_MIXREG_MPM);
1031 tmp &= ~ESO_MIXREG_MPM_RESV0;
1032 if (sc->sc_preamp)
1033 tmp |= ESO_MIXREG_MPM_PREAMP;
1034 else
1035 tmp &= ~ESO_MIXREG_MPM_PREAMP;
1036 eso_write_mixreg(sc, ESO_MIXREG_MPM, tmp);
1037 break;
1038
1039 default:
1040 return (EINVAL);
1041 }
1042
1043 return (0);
1044 }
1045
1046 static int
1047 eso_get_port(hdl, cp)
1048 void *hdl;
1049 mixer_ctrl_t *cp;
1050 {
1051 struct eso_softc *sc = hdl;
1052
1053 switch (cp->dev) {
1054 case ESO_DAC_PLAY_VOL:
1055 case ESO_MIC_PLAY_VOL:
1056 case ESO_LINE_PLAY_VOL:
1057 case ESO_SYNTH_PLAY_VOL:
1058 case ESO_CD_PLAY_VOL:
1059 case ESO_AUXB_PLAY_VOL:
1060 case ESO_MASTER_VOL:
1061 case ESO_RECORD_VOL:
1062 case ESO_DAC_REC_VOL:
1063 case ESO_MIC_REC_VOL:
1064 case ESO_LINE_REC_VOL:
1065 case ESO_SYNTH_REC_VOL:
1066 case ESO_CD_REC_VOL:
1067 case ESO_AUXB_REC_VOL:
1068 /*
1069 * Stereo-capable ports: if a single-channel query is made,
1070 * just return the left channel's value (since single-channel
1071 * settings themselves are applied to both channels).
1072 */
1073 switch (cp->un.value.num_channels) {
1074 case 1:
1075 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1076 sc->sc_gain[cp->dev][ESO_LEFT];
1077 break;
1078 case 2:
1079 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
1080 sc->sc_gain[cp->dev][ESO_LEFT];
1081 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
1082 sc->sc_gain[cp->dev][ESO_RIGHT];
1083 break;
1084 default:
1085 return (EINVAL);
1086 }
1087 break;
1088
1089 case ESO_MONO_PLAY_VOL:
1090 case ESO_PCSPEAKER_VOL:
1091 case ESO_MONO_REC_VOL:
1092 case ESO_SPATIALIZER:
1093 if (cp->un.value.num_channels != 1)
1094 return (EINVAL);
1095 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1096 sc->sc_gain[cp->dev][ESO_LEFT];
1097 break;
1098
1099 case ESO_RECORD_MONITOR:
1100 cp->un.ord = sc->sc_recmon;
1101 break;
1102
1103 case ESO_RECORD_SOURCE:
1104 cp->un.ord = sc->sc_recsrc;
1105 break;
1106
1107 case ESO_MONOOUT_SOURCE:
1108 cp->un.ord = sc->sc_monooutsrc;
1109 break;
1110
1111 case ESO_SPATIALIZER_ENABLE:
1112 cp->un.ord = sc->sc_spatializer;
1113 break;
1114
1115 case ESO_MIC_PREAMP:
1116 cp->un.ord = sc->sc_preamp;
1117 break;
1118
1119 default:
1120 return (EINVAL);
1121 }
1122
1123
1124 return (0);
1125
1126 }
1127
1128 static int
1129 eso_query_devinfo(hdl, dip)
1130 void *hdl;
1131 mixer_devinfo_t *dip;
1132 {
1133
1134 switch (dip->index) {
1135 case ESO_DAC_PLAY_VOL:
1136 dip->mixer_class = ESO_INPUT_CLASS;
1137 dip->next = dip->prev = AUDIO_MIXER_LAST;
1138 strcpy(dip->label.name, AudioNdac);
1139 dip->type = AUDIO_MIXER_VALUE;
1140 dip->un.v.num_channels = 2;
1141 strcpy(dip->un.v.units.name, AudioNvolume);
1142 break;
1143 case ESO_MIC_PLAY_VOL:
1144 dip->mixer_class = ESO_INPUT_CLASS;
1145 dip->next = dip->prev = AUDIO_MIXER_LAST;
1146 strcpy(dip->label.name, AudioNmicrophone);
1147 dip->type = AUDIO_MIXER_VALUE;
1148 dip->un.v.num_channels = 2;
1149 strcpy(dip->un.v.units.name, AudioNvolume);
1150 break;
1151 case ESO_LINE_PLAY_VOL:
1152 dip->mixer_class = ESO_INPUT_CLASS;
1153 dip->next = dip->prev = AUDIO_MIXER_LAST;
1154 strcpy(dip->label.name, AudioNline);
1155 dip->type = AUDIO_MIXER_VALUE;
1156 dip->un.v.num_channels = 2;
1157 strcpy(dip->un.v.units.name, AudioNvolume);
1158 break;
1159 case ESO_SYNTH_PLAY_VOL:
1160 dip->mixer_class = ESO_INPUT_CLASS;
1161 dip->next = dip->prev = AUDIO_MIXER_LAST;
1162 strcpy(dip->label.name, AudioNfmsynth);
1163 dip->type = AUDIO_MIXER_VALUE;
1164 dip->un.v.num_channels = 2;
1165 strcpy(dip->un.v.units.name, AudioNvolume);
1166 break;
1167 case ESO_MONO_PLAY_VOL:
1168 dip->mixer_class = ESO_INPUT_CLASS;
1169 dip->next = dip->prev = AUDIO_MIXER_LAST;
1170 strcpy(dip->label.name, "mono_in");
1171 dip->type = AUDIO_MIXER_VALUE;
1172 dip->un.v.num_channels = 1;
1173 strcpy(dip->un.v.units.name, AudioNvolume);
1174 break;
1175 case ESO_CD_PLAY_VOL:
1176 dip->mixer_class = ESO_INPUT_CLASS;
1177 dip->next = dip->prev = AUDIO_MIXER_LAST;
1178 strcpy(dip->label.name, AudioNcd);
1179 dip->type = AUDIO_MIXER_VALUE;
1180 dip->un.v.num_channels = 2;
1181 strcpy(dip->un.v.units.name, AudioNvolume);
1182 break;
1183 case ESO_AUXB_PLAY_VOL:
1184 dip->mixer_class = ESO_INPUT_CLASS;
1185 dip->next = dip->prev = AUDIO_MIXER_LAST;
1186 strcpy(dip->label.name, "auxb");
1187 dip->type = AUDIO_MIXER_VALUE;
1188 dip->un.v.num_channels = 2;
1189 strcpy(dip->un.v.units.name, AudioNvolume);
1190 break;
1191
1192 case ESO_MIC_PREAMP:
1193 dip->mixer_class = ESO_MICROPHONE_CLASS;
1194 dip->next = dip->prev = AUDIO_MIXER_LAST;
1195 strcpy(dip->label.name, AudioNpreamp);
1196 dip->type = AUDIO_MIXER_ENUM;
1197 dip->un.e.num_mem = 2;
1198 strcpy(dip->un.e.member[0].label.name, AudioNoff);
1199 dip->un.e.member[0].ord = 0;
1200 strcpy(dip->un.e.member[1].label.name, AudioNon);
1201 dip->un.e.member[1].ord = 1;
1202 break;
1203 case ESO_MICROPHONE_CLASS:
1204 dip->mixer_class = ESO_MICROPHONE_CLASS;
1205 dip->next = dip->prev = AUDIO_MIXER_LAST;
1206 strcpy(dip->label.name, AudioNmicrophone);
1207 dip->type = AUDIO_MIXER_CLASS;
1208 break;
1209
1210 case ESO_INPUT_CLASS:
1211 dip->mixer_class = ESO_INPUT_CLASS;
1212 dip->next = dip->prev = AUDIO_MIXER_LAST;
1213 strcpy(dip->label.name, AudioCinputs);
1214 dip->type = AUDIO_MIXER_CLASS;
1215 break;
1216
1217 case ESO_MASTER_VOL:
1218 dip->mixer_class = ESO_OUTPUT_CLASS;
1219 dip->next = dip->prev = AUDIO_MIXER_LAST;
1220 strcpy(dip->label.name, AudioNmaster);
1221 dip->type = AUDIO_MIXER_VALUE;
1222 dip->un.v.num_channels = 2;
1223 strcpy(dip->un.v.units.name, AudioNvolume);
1224 break;
1225 case ESO_PCSPEAKER_VOL:
1226 dip->mixer_class = ESO_OUTPUT_CLASS;
1227 dip->next = dip->prev = AUDIO_MIXER_LAST;
1228 strcpy(dip->label.name, "pc_speaker");
1229 dip->type = AUDIO_MIXER_VALUE;
1230 dip->un.v.num_channels = 1;
1231 strcpy(dip->un.v.units.name, AudioNvolume);
1232 break;
1233 case ESO_MONOOUT_SOURCE:
1234 dip->mixer_class = ESO_OUTPUT_CLASS;
1235 dip->next = dip->prev = AUDIO_MIXER_LAST;
1236 strcpy(dip->label.name, "mono_out");
1237 dip->type = AUDIO_MIXER_ENUM;
1238 dip->un.e.num_mem = 3;
1239 strcpy(dip->un.e.member[0].label.name, AudioNmute);
1240 dip->un.e.member[0].ord = ESO_MIXREG_MPM_MOMUTE;
1241 strcpy(dip->un.e.member[1].label.name, AudioNdac);
1242 dip->un.e.member[1].ord = ESO_MIXREG_MPM_MOA2R;
1243 strcpy(dip->un.e.member[2].label.name, AudioNmixerout);
1244 dip->un.e.member[2].ord = ESO_MIXREG_MPM_MOREC;
1245 break;
1246 case ESO_SPATIALIZER:
1247 dip->mixer_class = ESO_OUTPUT_CLASS;
1248 dip->prev = AUDIO_MIXER_LAST;
1249 dip->next = ESO_SPATIALIZER_ENABLE;
1250 strcpy(dip->label.name, AudioNspatial);
1251 dip->type = AUDIO_MIXER_VALUE;
1252 dip->un.v.num_channels = 1;
1253 strcpy(dip->un.v.units.name, "level");
1254 break;
1255 case ESO_SPATIALIZER_ENABLE:
1256 dip->mixer_class = ESO_OUTPUT_CLASS;
1257 dip->prev = ESO_SPATIALIZER;
1258 dip->next = AUDIO_MIXER_LAST;
1259 strcpy(dip->label.name, "enable");
1260 dip->type = AUDIO_MIXER_ENUM;
1261 dip->un.e.num_mem = 2;
1262 strcpy(dip->un.e.member[0].label.name, AudioNoff);
1263 dip->un.e.member[0].ord = 0;
1264 strcpy(dip->un.e.member[1].label.name, AudioNon);
1265 dip->un.e.member[1].ord = 1;
1266 break;
1267
1268 case ESO_OUTPUT_CLASS:
1269 dip->mixer_class = ESO_OUTPUT_CLASS;
1270 dip->next = dip->prev = AUDIO_MIXER_LAST;
1271 strcpy(dip->label.name, AudioCoutputs);
1272 dip->type = AUDIO_MIXER_CLASS;
1273 break;
1274
1275 case ESO_RECORD_MONITOR:
1276 dip->mixer_class = ESO_MONITOR_CLASS;
1277 dip->next = dip->prev = AUDIO_MIXER_LAST;
1278 strcpy(dip->label.name, AudioNmute);
1279 dip->type = AUDIO_MIXER_ENUM;
1280 dip->un.e.num_mem = 2;
1281 strcpy(dip->un.e.member[0].label.name, AudioNoff);
1282 dip->un.e.member[0].ord = 0;
1283 strcpy(dip->un.e.member[1].label.name, AudioNon);
1284 dip->un.e.member[1].ord = 1;
1285 break;
1286 case ESO_MONITOR_CLASS:
1287 dip->mixer_class = ESO_MONITOR_CLASS;
1288 dip->next = dip->prev = AUDIO_MIXER_LAST;
1289 strcpy(dip->label.name, AudioCmonitor);
1290 dip->type = AUDIO_MIXER_CLASS;
1291 break;
1292
1293 case ESO_RECORD_VOL:
1294 dip->mixer_class = ESO_RECORD_CLASS;
1295 dip->next = dip->prev = AUDIO_MIXER_LAST;
1296 strcpy(dip->label.name, AudioNrecord);
1297 dip->type = AUDIO_MIXER_VALUE;
1298 strcpy(dip->un.v.units.name, AudioNvolume);
1299 break;
1300 case ESO_RECORD_SOURCE:
1301 dip->mixer_class = ESO_RECORD_CLASS;
1302 dip->next = dip->prev = AUDIO_MIXER_LAST;
1303 strcpy(dip->label.name, AudioNsource);
1304 dip->type = AUDIO_MIXER_ENUM;
1305 dip->un.e.num_mem = 4;
1306 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
1307 dip->un.e.member[0].ord = ESO_MIXREG_ERS_MIC;
1308 strcpy(dip->un.e.member[1].label.name, AudioNline);
1309 dip->un.e.member[1].ord = ESO_MIXREG_ERS_LINE;
1310 strcpy(dip->un.e.member[2].label.name, AudioNcd);
1311 dip->un.e.member[2].ord = ESO_MIXREG_ERS_CD;
1312 strcpy(dip->un.e.member[3].label.name, AudioNmixerout);
1313 dip->un.e.member[3].ord = ESO_MIXREG_ERS_MIXER;
1314 break;
1315 case ESO_DAC_REC_VOL:
1316 dip->mixer_class = ESO_RECORD_CLASS;
1317 dip->next = dip->prev = AUDIO_MIXER_LAST;
1318 strcpy(dip->label.name, AudioNdac);
1319 dip->type = AUDIO_MIXER_VALUE;
1320 dip->un.v.num_channels = 2;
1321 strcpy(dip->un.v.units.name, AudioNvolume);
1322 break;
1323 case ESO_MIC_REC_VOL:
1324 dip->mixer_class = ESO_RECORD_CLASS;
1325 dip->next = dip->prev = AUDIO_MIXER_LAST;
1326 strcpy(dip->label.name, AudioNmicrophone);
1327 dip->type = AUDIO_MIXER_VALUE;
1328 dip->un.v.num_channels = 2;
1329 strcpy(dip->un.v.units.name, AudioNvolume);
1330 break;
1331 case ESO_LINE_REC_VOL:
1332 dip->mixer_class = ESO_RECORD_CLASS;
1333 dip->next = dip->prev = AUDIO_MIXER_LAST;
1334 strcpy(dip->label.name, AudioNline);
1335 dip->type = AUDIO_MIXER_VALUE;
1336 dip->un.v.num_channels = 2;
1337 strcpy(dip->un.v.units.name, AudioNvolume);
1338 break;
1339 case ESO_SYNTH_REC_VOL:
1340 dip->mixer_class = ESO_RECORD_CLASS;
1341 dip->next = dip->prev = AUDIO_MIXER_LAST;
1342 strcpy(dip->label.name, AudioNfmsynth);
1343 dip->type = AUDIO_MIXER_VALUE;
1344 dip->un.v.num_channels = 2;
1345 strcpy(dip->un.v.units.name, AudioNvolume);
1346 break;
1347 case ESO_MONO_REC_VOL:
1348 dip->mixer_class = ESO_RECORD_CLASS;
1349 dip->next = dip->prev = AUDIO_MIXER_LAST;
1350 strcpy(dip->label.name, "mono_in");
1351 dip->type = AUDIO_MIXER_VALUE;
1352 dip->un.v.num_channels = 1; /* No lies */
1353 strcpy(dip->un.v.units.name, AudioNvolume);
1354 break;
1355 case ESO_CD_REC_VOL:
1356 dip->mixer_class = ESO_RECORD_CLASS;
1357 dip->next = dip->prev = AUDIO_MIXER_LAST;
1358 strcpy(dip->label.name, AudioNcd);
1359 dip->type = AUDIO_MIXER_VALUE;
1360 dip->un.v.num_channels = 2;
1361 strcpy(dip->un.v.units.name, AudioNvolume);
1362 break;
1363 case ESO_AUXB_REC_VOL:
1364 dip->mixer_class = ESO_RECORD_CLASS;
1365 dip->next = dip->prev = AUDIO_MIXER_LAST;
1366 strcpy(dip->label.name, "auxb");
1367 dip->type = AUDIO_MIXER_VALUE;
1368 dip->un.v.num_channels = 2;
1369 strcpy(dip->un.v.units.name, AudioNvolume);
1370 break;
1371 case ESO_RECORD_CLASS:
1372 dip->mixer_class = ESO_RECORD_CLASS;
1373 dip->next = dip->prev = AUDIO_MIXER_LAST;
1374 strcpy(dip->label.name, AudioCrecord);
1375 dip->type = AUDIO_MIXER_CLASS;
1376 break;
1377
1378 default:
1379 return (ENXIO);
1380 }
1381
1382 return (0);
1383 }
1384
1385 static int
1386 eso_allocmem(sc, size, align, boundary, flags, ed)
1387 struct eso_softc *sc;
1388 size_t size;
1389 size_t align;
1390 size_t boundary;
1391 int flags;
1392 struct eso_dma *ed;
1393 {
1394 int error, wait;
1395
1396 wait = (flags & M_NOWAIT) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK;
1397 ed->ed_size = size;
1398
1399 error = bus_dmamem_alloc(sc->sc_dmat, ed->ed_size, align, boundary,
1400 ed->ed_segs, sizeof (ed->ed_segs) / sizeof (ed->ed_segs[0]),
1401 &ed->ed_nsegs, wait);
1402 if (error)
1403 goto out;
1404
1405 error = bus_dmamem_map(sc->sc_dmat, ed->ed_segs, ed->ed_nsegs,
1406 ed->ed_size, &ed->ed_addr, wait | BUS_DMA_COHERENT);
1407 if (error)
1408 goto free;
1409
1410 error = bus_dmamap_create(sc->sc_dmat, ed->ed_size, 1, ed->ed_size, 0,
1411 wait, &ed->ed_map);
1412 if (error)
1413 goto unmap;
1414
1415 error = bus_dmamap_load(sc->sc_dmat, ed->ed_map, ed->ed_addr,
1416 ed->ed_size, NULL, wait);
1417 if (error)
1418 goto destroy;
1419
1420 return (0);
1421
1422 destroy:
1423 bus_dmamap_destroy(sc->sc_dmat, ed->ed_map);
1424 unmap:
1425 bus_dmamem_unmap(sc->sc_dmat, ed->ed_addr, ed->ed_size);
1426 free:
1427 bus_dmamem_free(sc->sc_dmat, ed->ed_segs, ed->ed_nsegs);
1428 out:
1429 return (error);
1430 }
1431
1432 static void
1433 eso_freemem(sc, ed)
1434 struct eso_softc *sc;
1435 struct eso_dma *ed;
1436 {
1437
1438 bus_dmamap_unload(sc->sc_dmat, ed->ed_map);
1439 bus_dmamap_destroy(sc->sc_dmat, ed->ed_map);
1440 bus_dmamem_unmap(sc->sc_dmat, ed->ed_addr, ed->ed_size);
1441 bus_dmamem_free(sc->sc_dmat, ed->ed_segs, ed->ed_nsegs);
1442 }
1443
1444 static void *
1445 eso_allocm(hdl, direction, size, type, flags)
1446 void *hdl;
1447 int direction;
1448 size_t size;
1449 int type, flags;
1450 {
1451 struct eso_softc *sc = hdl;
1452 struct eso_dma *ed;
1453 size_t boundary;
1454 int error;
1455
1456 if ((ed = malloc(size, type, flags)) == NULL)
1457 return (NULL);
1458
1459 /*
1460 * Apparently the Audio 1 DMA controller's current address
1461 * register can't roll over a 64K address boundary, so we have to
1462 * take care of that ourselves. The second channel DMA controller
1463 * doesn't have that restriction, however.
1464 */
1465 if (direction == AUMODE_RECORD)
1466 boundary = 0x10000;
1467 else
1468 boundary = 0;
1469
1470 error = eso_allocmem(sc, size, 32, boundary, flags, ed);
1471 if (error) {
1472 free(ed, type);
1473 return (NULL);
1474 }
1475 ed->ed_next = sc->sc_dmas;
1476 sc->sc_dmas = ed;
1477
1478 return (KVADDR(ed));
1479 }
1480
1481 static void
1482 eso_freem(hdl, addr, type)
1483 void *hdl;
1484 void *addr;
1485 int type;
1486 {
1487 struct eso_softc *sc = hdl;
1488 struct eso_dma *p, **pp;
1489
1490 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->ed_next) {
1491 if (KVADDR(p) == addr) {
1492 eso_freemem(sc, p);
1493 *pp = p->ed_next;
1494 free(p, type);
1495 return;
1496 }
1497 }
1498 }
1499
1500 static size_t
1501 eso_round_buffersize(hdl, direction, bufsize)
1502 void *hdl;
1503 int direction;
1504 size_t bufsize;
1505 {
1506
1507 /* 64K restriction: ISA at eleven? */
1508 if (bufsize > 65536)
1509 bufsize = 65536;
1510
1511 return (bufsize);
1512 }
1513
1514 static int
1515 eso_mappage(hdl, addr, offs, prot)
1516 void *hdl;
1517 void *addr;
1518 int offs;
1519 int prot;
1520 {
1521 struct eso_softc *sc = hdl;
1522 struct eso_dma *ed;
1523
1524 if (offs < 0)
1525 return (-1);
1526 for (ed = sc->sc_dmas; ed != NULL && KVADDR(ed) == addr;
1527 ed = ed->ed_next)
1528 ;
1529 if (ed == NULL)
1530 return (-1);
1531
1532 return (bus_dmamem_mmap(sc->sc_dmat, ed->ed_segs, ed->ed_nsegs,
1533 offs, prot, BUS_DMA_WAITOK));
1534 }
1535
1536 /* ARGSUSED */
1537 static int
1538 eso_get_props(hdl)
1539 void *hdl;
1540 {
1541
1542 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1543 AUDIO_PROP_FULLDUPLEX);
1544 }
1545
1546 static int
1547 eso_trigger_output(hdl, start, end, blksize, intr, arg, param)
1548 void *hdl;
1549 void *start, *end;
1550 int blksize;
1551 void (*intr) __P((void *));
1552 void *arg;
1553 struct audio_params *param;
1554 {
1555 struct eso_softc *sc = hdl;
1556 struct eso_dma *ed;
1557 uint8_t a2c1;
1558
1559 DPRINTF((
1560 "%s: trigger_output: start %p, end %p, blksize %d, intr %p(%p)\n",
1561 sc->sc_dev.dv_xname, start, end, blksize, intr, arg));
1562 DPRINTF(("%s: param: rate %lu, encoding %u, precision %u, channels %u, sw_code %p, factor %d\n",
1563 sc->sc_dev.dv_xname, param->sample_rate, param->encoding,
1564 param->precision, param->channels, param->sw_code, param->factor));
1565
1566 /* Find DMA buffer. */
1567 for (ed = sc->sc_dmas; ed != NULL && KVADDR(ed) != start;
1568 ed = ed->ed_next)
1569 ;
1570 if (ed == NULL) {
1571 printf("%s: trigger_output: bad addr %p\n",
1572 sc->sc_dev.dv_xname, start);
1573 return (EINVAL);
1574 }
1575
1576 sc->sc_pintr = intr;
1577 sc->sc_parg = arg;
1578
1579 /* DMA transfer count (in `words'!) reload using 2's complement. */
1580 blksize = -(blksize >> 1);
1581 eso_write_mixreg(sc, ESO_MIXREG_A2TCRLO, blksize & 0xff);
1582 eso_write_mixreg(sc, ESO_MIXREG_A2TCRHI, blksize >> 8);
1583
1584 /* Update DAC to reflect DMA count and audio parameters. */
1585 /* Note: we cache A2C2 in order to avoid r/m/w at interrupt time. */
1586 if (param->precision * param->factor == 16)
1587 sc->sc_a2c2 |= ESO_MIXREG_A2C2_16BIT;
1588 else
1589 sc->sc_a2c2 &= ~ESO_MIXREG_A2C2_16BIT;
1590 if (param->channels == 2)
1591 sc->sc_a2c2 |= ESO_MIXREG_A2C2_STEREO;
1592 else
1593 sc->sc_a2c2 &= ~ESO_MIXREG_A2C2_STEREO;
1594 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE ||
1595 param->encoding == AUDIO_ENCODING_SLINEAR_LE)
1596 sc->sc_a2c2 |= ESO_MIXREG_A2C2_SIGNED;
1597 else
1598 sc->sc_a2c2 &= ~ESO_MIXREG_A2C2_SIGNED;
1599 /* Unmask IRQ. */
1600 sc->sc_a2c2 |= ESO_MIXREG_A2C2_IRQM;
1601 eso_write_mixreg(sc, ESO_MIXREG_A2C2, sc->sc_a2c2);
1602
1603 /* Set up DMA controller. */
1604 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAA,
1605 htopci(DMAADDR(ed)));
1606 bus_space_write_2(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAC,
1607 htopci((uint8_t *)end - (uint8_t *)start));
1608 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM,
1609 ESO_IO_A2DMAM_DMAENB | ESO_IO_A2DMAM_AUTO);
1610
1611 /* Start DMA. */
1612 a2c1 = eso_read_mixreg(sc, ESO_MIXREG_A2C1);
1613 a2c1 &= ~ESO_MIXREG_A2C1_RESV0; /* Paranoia? XXX bit 5 */
1614 a2c1 |= ESO_MIXREG_A2C1_FIFOENB | ESO_MIXREG_A2C1_DMAENB |
1615 ESO_MIXREG_A2C1_AUTO;
1616 eso_write_mixreg(sc, ESO_MIXREG_A2C1, a2c1);
1617
1618 return (0);
1619 }
1620
1621 static int
1622 eso_trigger_input(hdl, start, end, blksize, intr, arg, param)
1623 void *hdl;
1624 void *start, *end;
1625 int blksize;
1626 void (*intr) __P((void *));
1627 void *arg;
1628 struct audio_params *param;
1629 {
1630 struct eso_softc *sc = hdl;
1631 struct eso_dma *ed;
1632 uint8_t actl, a1c1;
1633
1634 DPRINTF((
1635 "%s: trigger_input: start %p, end %p, blksize %d, intr %p(%p)\n",
1636 sc->sc_dev.dv_xname, start, end, blksize, intr, arg));
1637 DPRINTF(("%s: param: rate %lu, encoding %u, precision %u, channels %u, sw_code %p, factor %d\n",
1638 sc->sc_dev.dv_xname, param->sample_rate, param->encoding,
1639 param->precision, param->channels, param->sw_code, param->factor));
1640
1641 /*
1642 * If we failed to configure the Audio 1 DMA controller, bail here
1643 * while retaining availability of the DAC direction (in Audio 2).
1644 */
1645 if (!sc->sc_dmac_configured)
1646 return (EIO);
1647
1648 /* Find DMA buffer. */
1649 for (ed = sc->sc_dmas; ed != NULL && KVADDR(ed) != start;
1650 ed = ed->ed_next)
1651 ;
1652 if (ed == NULL) {
1653 printf("%s: trigger_output: bad addr %p\n",
1654 sc->sc_dev.dv_xname, start);
1655 return (EINVAL);
1656 }
1657
1658 sc->sc_rintr = intr;
1659 sc->sc_rarg = arg;
1660
1661 /* Set up ADC DMA converter parameters. */
1662 actl = eso_read_ctlreg(sc, ESO_CTLREG_ACTL);
1663 if (param->channels == 2) {
1664 actl &= ~ESO_CTLREG_ACTL_MONO;
1665 actl |= ESO_CTLREG_ACTL_STEREO;
1666 } else {
1667 actl &= ~ESO_CTLREG_ACTL_STEREO;
1668 actl |= ESO_CTLREG_ACTL_MONO;
1669 }
1670 eso_write_ctlreg(sc, ESO_CTLREG_ACTL, actl);
1671
1672 /* Set up Transfer Type: maybe move to attach time? */
1673 eso_write_ctlreg(sc, ESO_CTLREG_A1TT, ESO_CTLREG_A1TT_DEMAND4);
1674
1675 /* DMA transfer count reload using 2's complement. */
1676 blksize = -blksize;
1677 eso_write_ctlreg(sc, ESO_CTLREG_A1TCRLO, blksize & 0xff);
1678 eso_write_ctlreg(sc, ESO_CTLREG_A1TCRHI, blksize >> 8);
1679
1680 /* Set up and enable Audio 1 DMA FIFO. */
1681 a1c1 = ESO_CTLREG_A1C1_RESV1 | ESO_CTLREG_A1C1_FIFOENB;
1682 if (param->precision * param->factor == 16)
1683 a1c1 |= ESO_CTLREG_A1C1_16BIT;
1684 if (param->channels == 2)
1685 a1c1 |= ESO_CTLREG_A1C1_STEREO;
1686 else
1687 a1c1 |= ESO_CTLREG_A1C1_MONO;
1688 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE ||
1689 param->encoding == AUDIO_ENCODING_SLINEAR_LE)
1690 a1c1 |= ESO_CTLREG_A1C1_SIGNED;
1691 eso_write_ctlreg(sc, ESO_CTLREG_A1C1, a1c1);
1692
1693 /* Set up ADC IRQ/DRQ parameters. */
1694 eso_write_ctlreg(sc, ESO_CTLREG_LAIC,
1695 ESO_CTLREG_LAIC_PINENB | ESO_CTLREG_LAIC_EXTENB);
1696 eso_write_ctlreg(sc, ESO_CTLREG_DRQCTL,
1697 ESO_CTLREG_DRQCTL_ENB1 | ESO_CTLREG_DRQCTL_EXTENB);
1698
1699 /* Set up and enable DMA controller. */
1700 bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_CLEAR, 0);
1701 bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MASK,
1702 ESO_DMAC_MASK_MASK);
1703 bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MODE,
1704 DMA37MD_WRITE | DMA37MD_LOOP | DMA37MD_DEMAND);
1705 bus_space_write_4(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_DMAA,
1706 htopci(DMAADDR(ed)));
1707 bus_space_write_2(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_DMAC,
1708 htopci((uint8_t *)end - (uint8_t *)start - 1));
1709 bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MASK, 0);
1710
1711 /* Start DMA. */
1712 eso_write_ctlreg(sc, ESO_CTLREG_A1C2,
1713 ESO_CTLREG_A1C2_DMAENB | ESO_CTLREG_A1C2_READ |
1714 ESO_CTLREG_A1C2_AUTO | ESO_CTLREG_A1C2_ADC);
1715
1716 return (0);
1717 }
1718
1719 static int
1720 eso_set_recsrc(sc, recsrc)
1721 struct eso_softc *sc;
1722 unsigned int recsrc;
1723 {
1724
1725 eso_write_mixreg(sc, ESO_MIXREG_ERS, recsrc);
1726 sc->sc_recsrc = recsrc;
1727 return (0);
1728 }
1729
1730 static void
1731 eso_set_gain(sc, port)
1732 struct eso_softc *sc;
1733 unsigned int port;
1734 {
1735 uint8_t mixreg, tmp;
1736
1737 switch (port) {
1738 case ESO_DAC_PLAY_VOL:
1739 mixreg = ESO_MIXREG_PVR_A2;
1740 break;
1741 case ESO_MIC_PLAY_VOL:
1742 mixreg = ESO_MIXREG_PVR_MIC;
1743 break;
1744 case ESO_LINE_PLAY_VOL:
1745 mixreg = ESO_MIXREG_PVR_LINE;
1746 break;
1747 case ESO_SYNTH_PLAY_VOL:
1748 mixreg = ESO_MIXREG_PVR_SYNTH;
1749 break;
1750 case ESO_CD_PLAY_VOL:
1751 mixreg = ESO_MIXREG_PVR_CD;
1752 break;
1753 case ESO_AUXB_PLAY_VOL:
1754 mixreg = ESO_MIXREG_PVR_AUXB;
1755 break;
1756
1757 case ESO_DAC_REC_VOL:
1758 mixreg = ESO_MIXREG_RVR_A2;
1759 break;
1760 case ESO_MIC_REC_VOL:
1761 mixreg = ESO_MIXREG_RVR_MIC;
1762 break;
1763 case ESO_LINE_REC_VOL:
1764 mixreg = ESO_MIXREG_RVR_LINE;
1765 break;
1766 case ESO_SYNTH_REC_VOL:
1767 mixreg = ESO_MIXREG_RVR_SYNTH;
1768 break;
1769 case ESO_CD_REC_VOL:
1770 mixreg = ESO_MIXREG_RVR_CD;
1771 break;
1772 case ESO_AUXB_REC_VOL:
1773 mixreg = ESO_MIXREG_RVR_AUXB;
1774 break;
1775 case ESO_MONO_PLAY_VOL:
1776 mixreg = ESO_MIXREG_PVR_MONO;
1777 break;
1778 case ESO_MONO_REC_VOL:
1779 mixreg = ESO_MIXREG_RVR_MONO;
1780 break;
1781
1782 case ESO_PCSPEAKER_VOL:
1783 /* Special case - only 3-bit, mono, and reserved bits. */
1784 tmp = eso_read_mixreg(sc, ESO_MIXREG_PCSVR);
1785 tmp &= ESO_MIXREG_PCSVR_RESV;
1786 /* Map bits 7:5 -> 2:0. */
1787 tmp |= (sc->sc_gain[port][ESO_LEFT] >> 5);
1788 eso_write_mixreg(sc, ESO_MIXREG_PCSVR, tmp);
1789 return;
1790
1791 case ESO_MASTER_VOL:
1792 /* Special case - separate regs, and 6-bit precision. */
1793 /* Map bits 7:2 -> 5:0. */
1794 eso_write_mixreg(sc, ESO_MIXREG_LMVM,
1795 sc->sc_gain[port][ESO_LEFT] >> 2);
1796 eso_write_mixreg(sc, ESO_MIXREG_RMVM,
1797 sc->sc_gain[port][ESO_RIGHT] >> 2);
1798 return;
1799
1800 case ESO_SPATIALIZER:
1801 /* Special case - only `mono', and higher precision. */
1802 eso_write_mixreg(sc, ESO_MIXREG_SPATLVL,
1803 sc->sc_gain[port][ESO_LEFT]);
1804 return;
1805
1806 case ESO_RECORD_VOL:
1807 /* Very Special case, controller register. */
1808 eso_write_ctlreg(sc, ESO_CTLREG_RECLVL,ESO_4BIT_GAIN_TO_STEREO(
1809 sc->sc_gain[port][ESO_LEFT], sc->sc_gain[port][ESO_RIGHT]));
1810 return;
1811
1812 default:
1813 #ifdef DIAGNOSTIC
1814 panic("eso_set_gain: bad port %u", port);
1815 /* NOTREACHED */
1816 #else
1817 return;
1818 #endif
1819 }
1820
1821 eso_write_mixreg(sc, mixreg, ESO_4BIT_GAIN_TO_STEREO(
1822 sc->sc_gain[port][ESO_LEFT], sc->sc_gain[port][ESO_RIGHT]));
1823 }
1824