1/*	$NetBSD: eso.c,v 1.59.4.1 2012/06/13 19:17:43 riz Exp $	*/
2
3/*-
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software developed for The NetBSD Foundation
8 * by Andrew Doran.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * Copyright (c) 1999, 2000, 2004 Klaus J. Klein
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 *    notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 *    notice, this list of conditions and the following disclaimer in the
43 *    documentation and/or other materials provided with the distribution.
44 * 3. The name of the author may not be used to endorse or promote products
45 *    derived from this software without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
48 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
50 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
52 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
53 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
54 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
55 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * SUCH DAMAGE.
58 */
59
60/*
61 * ESS Technology Inc. Solo-1 PCI AudioDrive (ES1938/1946) device driver.
62 */
63
64#include <sys/cdefs.h>
65__KERNEL_RCSID(0, "$NetBSD: eso.c,v 1.59.4.1 2012/06/13 19:17:43 riz Exp $");
66
67#include "mpu.h"
68
69#include <sys/param.h>
70#include <sys/systm.h>
71#include <sys/kernel.h>
72#include <sys/kmem.h>
73#include <sys/device.h>
74#include <sys/queue.h>
75#include <sys/proc.h>
76
77#include <dev/pci/pcidevs.h>
78#include <dev/pci/pcivar.h>
79
80#include <sys/audioio.h>
81#include <dev/audio_if.h>
82
83#include <dev/mulaw.h>
84#include <dev/auconv.h>
85
86#include <dev/ic/mpuvar.h>
87#include <dev/ic/i8237reg.h>
88#include <dev/pci/esoreg.h>
89#include <dev/pci/esovar.h>
90
91#include <sys/bus.h>
92#include <sys/intr.h>
93
94/*
95 * XXX Work around the 24-bit implementation limit of the Audio 1 DMA
96 * XXX engine by allocating through the ISA DMA tag.
97 */
98#if defined(amd64) || defined(i386)
99#include "isa.h"
100#if NISA > 0
101#include <dev/isa/isavar.h>
102#endif
103#endif
104
105#if defined(AUDIO_DEBUG) || defined(DEBUG)
106#define DPRINTF(x) printf x
107#else
108#define DPRINTF(x)
109#endif
110
111struct eso_dma {
112	bus_dma_tag_t		ed_dmat;
113	bus_dmamap_t		ed_map;
114	void *			ed_kva;
115	bus_dma_segment_t	ed_segs[1];
116	int			ed_nsegs;
117	size_t			ed_size;
118	SLIST_ENTRY(eso_dma)	ed_slist;
119};
120
121#define KVADDR(dma)	((void *)(dma)->ed_kva)
122#define DMAADDR(dma)	((dma)->ed_map->dm_segs[0].ds_addr)
123
124/* Autoconfiguration interface */
125static int eso_match(device_t, cfdata_t, void *);
126static void eso_attach(device_t, device_t, void *);
127static void eso_defer(device_t);
128static int eso_print(void *, const char *);
129
130CFATTACH_DECL(eso, sizeof (struct eso_softc),
131    eso_match, eso_attach, NULL, NULL);
132
133/* PCI interface */
134static int eso_intr(void *);
135
136/* MI audio layer interface */
137static int	eso_query_encoding(void *, struct audio_encoding *);
138static int	eso_set_params(void *, int, int, audio_params_t *,
139		    audio_params_t *, stream_filter_list_t *,
140		    stream_filter_list_t *);
141static int	eso_round_blocksize(void *, int, int, const audio_params_t *);
142static int	eso_halt_output(void *);
143static int	eso_halt_input(void *);
144static int	eso_getdev(void *, struct audio_device *);
145static int	eso_set_port(void *, mixer_ctrl_t *);
146static int	eso_get_port(void *, mixer_ctrl_t *);
147static int	eso_query_devinfo(void *, mixer_devinfo_t *);
148static void *	eso_allocm(void *, int, size_t);
149static void	eso_freem(void *, void *, size_t);
150static size_t	eso_round_buffersize(void *, int, size_t);
151static paddr_t	eso_mappage(void *, void *, off_t, int);
152static int	eso_get_props(void *);
153static int	eso_trigger_output(void *, void *, void *, int,
154		    void (*)(void *), void *, const audio_params_t *);
155static int	eso_trigger_input(void *, void *, void *, int,
156		    void (*)(void *), void *, const audio_params_t *);
157static void	eso_get_locks(void *, kmutex_t **, kmutex_t **);
158
159static const struct audio_hw_if eso_hw_if = {
160	NULL,			/* open */
161	NULL,			/* close */
162	NULL,			/* drain */
163	eso_query_encoding,
164	eso_set_params,
165	eso_round_blocksize,
166	NULL,			/* commit_settings */
167	NULL,			/* init_output */
168	NULL,			/* init_input */
169	NULL,			/* start_output */
170	NULL,			/* start_input */
171	eso_halt_output,
172	eso_halt_input,
173	NULL,			/* speaker_ctl */
174	eso_getdev,
175	NULL,			/* setfd */
176	eso_set_port,
177	eso_get_port,
178	eso_query_devinfo,
179	eso_allocm,
180	eso_freem,
181	eso_round_buffersize,
182	eso_mappage,
183	eso_get_props,
184	eso_trigger_output,
185	eso_trigger_input,
186	NULL,			/* dev_ioctl */
187	eso_get_locks,
188};
189
190static const char * const eso_rev2model[] = {
191	"ES1938",
192	"ES1946",
193	"ES1946 Revision E"
194};
195
196#define ESO_NFORMATS	8
197static const struct audio_format eso_formats[ESO_NFORMATS] = {
198	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
199	 2, AUFMT_STEREO, 0, {ESO_MINRATE, ESO_MAXRATE}},
200	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
201	 1, AUFMT_MONAURAL, 0, {ESO_MINRATE, ESO_MAXRATE}},
202	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 16, 16,
203	 2, AUFMT_STEREO, 0, {ESO_MINRATE, ESO_MAXRATE}},
204	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 16, 16,
205	 1, AUFMT_MONAURAL, 0, {ESO_MINRATE, ESO_MAXRATE}},
206	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
207	 2, AUFMT_STEREO, 0, {ESO_MINRATE, ESO_MAXRATE}},
208	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
209	 1, AUFMT_MONAURAL, 0, {ESO_MINRATE, ESO_MAXRATE}},
210	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
211	 2, AUFMT_STEREO, 0, {ESO_MINRATE, ESO_MAXRATE}},
212	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
213	 1, AUFMT_MONAURAL, 0, {ESO_MINRATE, ESO_MAXRATE}}
214};
215
216
217/*
218 * Utility routines
219 */
220/* Register access etc. */
221static uint8_t	eso_read_ctlreg(struct eso_softc *, uint8_t);
222static uint8_t	eso_read_mixreg(struct eso_softc *, uint8_t);
223static uint8_t	eso_read_rdr(struct eso_softc *);
224static void	eso_reload_master_vol(struct eso_softc *);
225static int	eso_reset(struct eso_softc *);
226static void	eso_set_gain(struct eso_softc *, unsigned int);
227static int	eso_set_recsrc(struct eso_softc *, unsigned int);
228static int	eso_set_monooutsrc(struct eso_softc *, unsigned int);
229static int	eso_set_monoinbypass(struct eso_softc *, unsigned int);
230static int	eso_set_preamp(struct eso_softc *, unsigned int);
231static void	eso_write_cmd(struct eso_softc *, uint8_t);
232static void	eso_write_ctlreg(struct eso_softc *, uint8_t, uint8_t);
233static void	eso_write_mixreg(struct eso_softc *, uint8_t, uint8_t);
234/* DMA memory allocation */
235static int	eso_allocmem(struct eso_softc *, size_t, size_t, size_t,
236		    int, struct eso_dma *);
237static void	eso_freemem(struct eso_dma *);
238static struct eso_dma *	eso_kva2dma(const struct eso_softc *, const void *);
239
240
241static int
242eso_match(device_t parent, cfdata_t match, void *aux)
243{
244	struct pci_attach_args *pa;
245
246	pa = aux;
247	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ESSTECH &&
248	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ESSTECH_SOLO1)
249		return 1;
250
251	return 0;
252}
253
254static void
255eso_attach(device_t parent, device_t self, void *aux)
256{
257	struct eso_softc *sc;
258	struct pci_attach_args *pa;
259	struct audio_attach_args aa;
260	pci_intr_handle_t ih;
261	bus_addr_t vcbase;
262	const char *intrstring;
263	int idx, error;
264	uint8_t a2mode, mvctl;
265
266	sc = device_private(self);
267	pa = aux;
268	aprint_naive(": Audio controller\n");
269
270	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
271	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
272
273	sc->sc_revision = PCI_REVISION(pa->pa_class);
274	aprint_normal(": ESS Solo-1 PCI AudioDrive ");
275	if (sc->sc_revision <
276	    sizeof (eso_rev2model) / sizeof (eso_rev2model[0]))
277		aprint_normal("%s\n", eso_rev2model[sc->sc_revision]);
278	else
279		aprint_normal("(unknown rev. 0x%02x)\n", sc->sc_revision);
280
281	/* Map I/O registers. */
282	if (pci_mapreg_map(pa, ESO_PCI_BAR_IO, PCI_MAPREG_TYPE_IO, 0,
283	    &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
284		aprint_error_dev(&sc->sc_dev, "can't map I/O space\n");
285		return;
286	}
287	if (pci_mapreg_map(pa, ESO_PCI_BAR_SB, PCI_MAPREG_TYPE_IO, 0,
288	    &sc->sc_sb_iot, &sc->sc_sb_ioh, NULL, NULL)) {
289		aprint_error_dev(&sc->sc_dev, "can't map SB I/O space\n");
290		return;
291	}
292	if (pci_mapreg_map(pa, ESO_PCI_BAR_VC, PCI_MAPREG_TYPE_IO, 0,
293	    &sc->sc_dmac_iot, &sc->sc_dmac_ioh, &vcbase, &sc->sc_vcsize)) {
294		aprint_error_dev(&sc->sc_dev, "can't map VC I/O space\n");
295		/* Don't bail out yet: we can map it later, see below. */
296		vcbase = 0;
297		sc->sc_vcsize = 0x10; /* From the data sheet. */
298	}
299	if (pci_mapreg_map(pa, ESO_PCI_BAR_MPU, PCI_MAPREG_TYPE_IO, 0,
300	    &sc->sc_mpu_iot, &sc->sc_mpu_ioh, NULL, NULL)) {
301		aprint_error_dev(&sc->sc_dev, "can't map MPU I/O space\n");
302		return;
303	}
304	if (pci_mapreg_map(pa, ESO_PCI_BAR_GAME, PCI_MAPREG_TYPE_IO, 0,
305	    &sc->sc_game_iot, &sc->sc_game_ioh, NULL, NULL)) {
306		aprint_error_dev(&sc->sc_dev, "can't map Game I/O space\n");
307		return;
308	}
309
310	sc->sc_dmat = pa->pa_dmat;
311	SLIST_INIT(&sc->sc_dmas);
312	sc->sc_dmac_configured = 0;
313
314	/* Enable bus mastering. */
315	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
316	    pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
317	    PCI_COMMAND_MASTER_ENABLE);
318
319	/* Reset the device; bail out upon failure. */
320	mutex_spin_enter(&sc->sc_intr_lock);
321	error = eso_reset(sc);
322	mutex_spin_exit(&sc->sc_intr_lock);
323	if (error != 0) {
324		aprint_error_dev(&sc->sc_dev, "can't reset\n");
325		return;
326	}
327
328	/* Select the DMA/IRQ policy: DDMA, ISA IRQ emulation disabled. */
329	pci_conf_write(pa->pa_pc, pa->pa_tag, ESO_PCI_S1C,
330	    pci_conf_read(pa->pa_pc, pa->pa_tag, ESO_PCI_S1C) &
331	    ~(ESO_PCI_S1C_IRQP_MASK | ESO_PCI_S1C_DMAP_MASK));
332
333	/* Enable the relevant (DMA) interrupts. */
334	bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_IRQCTL,
335	    ESO_IO_IRQCTL_A1IRQ | ESO_IO_IRQCTL_A2IRQ | ESO_IO_IRQCTL_HVIRQ |
336	    ESO_IO_IRQCTL_MPUIRQ);
337
338	mutex_spin_enter(&sc->sc_intr_lock);
339
340	/* Set up A1's sample rate generator for new-style parameters. */
341	a2mode = eso_read_mixreg(sc, ESO_MIXREG_A2MODE);
342	a2mode |= ESO_MIXREG_A2MODE_NEWA1 | ESO_MIXREG_A2MODE_ASYNC;
343	eso_write_mixreg(sc, ESO_MIXREG_A2MODE, a2mode);
344
345	/* Slave Master Volume to Hardware Volume Control Counter, unmask IRQ.*/
346	mvctl = eso_read_mixreg(sc, ESO_MIXREG_MVCTL);
347	mvctl &= ~ESO_MIXREG_MVCTL_SPLIT;
348	mvctl |= ESO_MIXREG_MVCTL_HVIRQM;
349	eso_write_mixreg(sc, ESO_MIXREG_MVCTL, mvctl);
350
351	/* Set mixer regs to something reasonable, needs work. */
352	sc->sc_recmon = sc->sc_spatializer = sc->sc_mvmute = 0;
353	eso_set_monooutsrc(sc, ESO_MIXREG_MPM_MOMUTE);
354	eso_set_monoinbypass(sc, 0);
355	eso_set_preamp(sc, 1);
356	for (idx = 0; idx < ESO_NGAINDEVS; idx++) {
357		int v;
358
359		switch (idx) {
360		case ESO_MIC_PLAY_VOL:
361		case ESO_LINE_PLAY_VOL:
362		case ESO_CD_PLAY_VOL:
363		case ESO_MONO_PLAY_VOL:
364		case ESO_AUXB_PLAY_VOL:
365		case ESO_DAC_REC_VOL:
366		case ESO_LINE_REC_VOL:
367		case ESO_SYNTH_REC_VOL:
368		case ESO_CD_REC_VOL:
369		case ESO_MONO_REC_VOL:
370		case ESO_AUXB_REC_VOL:
371		case ESO_SPATIALIZER:
372			v = 0;
373			break;
374		case ESO_MASTER_VOL:
375			v = ESO_GAIN_TO_6BIT(AUDIO_MAX_GAIN / 2);
376			break;
377		default:
378			v = ESO_GAIN_TO_4BIT(AUDIO_MAX_GAIN / 2);
379			break;
380		}
381		sc->sc_gain[idx][ESO_LEFT] = sc->sc_gain[idx][ESO_RIGHT] = v;
382		eso_set_gain(sc, idx);
383	}
384
385	eso_set_recsrc(sc, ESO_MIXREG_ERS_MIC);
386
387	mutex_spin_exit(&sc->sc_intr_lock);
388
389	/* Map and establish the interrupt. */
390	if (pci_intr_map(pa, &ih)) {
391		aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n");
392		return;
393	}
394
395	intrstring = pci_intr_string(pa->pa_pc, ih);
396	sc->sc_ih  = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, eso_intr, sc);
397	if (sc->sc_ih == NULL) {
398		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
399		if (intrstring != NULL)
400			aprint_error(" at %s", intrstring);
401		aprint_error("\n");
402		mutex_destroy(&sc->sc_lock);
403		mutex_destroy(&sc->sc_intr_lock);
404		return;
405	}
406	aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n",
407	    intrstring);
408
409	cv_init(&sc->sc_pcv, "esoho");
410	cv_init(&sc->sc_rcv, "esohi");
411
412	/*
413	 * Set up the DDMA Control register; a suitable I/O region has been
414	 * supposedly mapped in the VC base address register.
415	 *
416	 * The Solo-1 has an ... interesting silicon bug that causes it to
417	 * not respond to I/O space accesses to the Audio 1 DMA controller
418	 * if the latter's mapping base address is aligned on a 1K boundary.
419	 * As a consequence, it is quite possible for the mapping provided
420	 * in the VC BAR to be useless.  To work around this, we defer this
421	 * part until all autoconfiguration on our parent bus is completed
422	 * and then try to map it ourselves in fulfillment of the constraint.
423	 *
424	 * According to the register map we may write to the low 16 bits
425	 * only, but experimenting has shown we're safe.
426	 * -kjk
427	 */
428	if (ESO_VALID_DDMAC_BASE(vcbase)) {
429		pci_conf_write(pa->pa_pc, pa->pa_tag, ESO_PCI_DDMAC,
430		    vcbase | ESO_PCI_DDMAC_DE);
431		sc->sc_dmac_configured = 1;
432
433		aprint_normal_dev(&sc->sc_dev,
434		    "mapping Audio 1 DMA using VC I/O space at 0x%lx\n",
435		    (unsigned long)vcbase);
436	} else {
437		DPRINTF(("%s: VC I/O space at 0x%lx not suitable, deferring\n",
438		    device_xname(&sc->sc_dev), (unsigned long)vcbase));
439		sc->sc_pa = *pa;
440		config_defer(self, eso_defer);
441	}
442
443	audio_attach_mi(&eso_hw_if, sc, &sc->sc_dev);
444
445	aa.type = AUDIODEV_TYPE_OPL;
446	aa.hwif = NULL;
447	aa.hdl = NULL;
448	(void)config_found(&sc->sc_dev, &aa, audioprint);
449
450	aa.type = AUDIODEV_TYPE_MPU;
451	aa.hwif = NULL;
452	aa.hdl = NULL;
453	sc->sc_mpudev = config_found(&sc->sc_dev, &aa, audioprint);
454	if (sc->sc_mpudev != NULL) {
455		/* Unmask the MPU irq. */
456		mutex_spin_enter(&sc->sc_intr_lock);
457		mvctl = eso_read_mixreg(sc, ESO_MIXREG_MVCTL);
458		mvctl |= ESO_MIXREG_MVCTL_MPUIRQM;
459		eso_write_mixreg(sc, ESO_MIXREG_MVCTL, mvctl);
460		mutex_spin_exit(&sc->sc_intr_lock);
461	}
462
463	aa.type = AUDIODEV_TYPE_AUX;
464	aa.hwif = NULL;
465	aa.hdl = NULL;
466	(void)config_found(&sc->sc_dev, &aa, eso_print);
467}
468
469static void
470eso_defer(device_t self)
471{
472	struct eso_softc *sc;
473	struct pci_attach_args *pa;
474	bus_addr_t addr, start;
475
476	sc = device_private(self);
477	pa = &sc->sc_pa;
478	aprint_normal_dev(&sc->sc_dev, "");
479
480	/*
481	 * This is outright ugly, but since we must not make assumptions
482	 * on the underlying allocator's behaviour it's the most straight-
483	 * forward way to implement it.  Note that we skip over the first
484	 * 1K region, which is typically occupied by an attached ISA bus.
485	 */
486	mutex_enter(&sc->sc_lock);
487	for (start = 0x0400; start < 0xffff; start += 0x0400) {
488		if (bus_space_alloc(sc->sc_iot,
489		    start + sc->sc_vcsize, start + 0x0400 - 1,
490		    sc->sc_vcsize, sc->sc_vcsize, 0, 0, &addr,
491		    &sc->sc_dmac_ioh) != 0)
492			continue;
493
494		mutex_spin_enter(&sc->sc_intr_lock);
495		pci_conf_write(pa->pa_pc, pa->pa_tag, ESO_PCI_DDMAC,
496		    addr | ESO_PCI_DDMAC_DE);
497		mutex_spin_exit(&sc->sc_intr_lock);
498		sc->sc_dmac_iot = sc->sc_iot;
499		sc->sc_dmac_configured = 1;
500		aprint_normal("mapping Audio 1 DMA using I/O space at 0x%lx\n",
501		    (unsigned long)addr);
502
503		mutex_exit(&sc->sc_lock);
504		return;
505	}
506	mutex_exit(&sc->sc_lock);
507
508	aprint_error("can't map Audio 1 DMA into I/O space\n");
509}
510
511/* ARGSUSED */
512static int
513eso_print(void *aux, const char *pnp)
514{
515
516	/* Only joys can attach via this; easy. */
517	if (pnp)
518		aprint_normal("joy at %s:", pnp);
519
520	return UNCONF;
521}
522
523static void
524eso_write_cmd(struct eso_softc *sc, uint8_t cmd)
525{
526	int i;
527
528	/* Poll for busy indicator to become clear. */
529	for (i = 0; i < ESO_WDR_TIMEOUT; i++) {
530		if ((bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RSR)
531		    & ESO_SB_RSR_BUSY) == 0) {
532			bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh,
533			    ESO_SB_WDR, cmd);
534			return;
535		} else {
536			delay(10);
537		}
538	}
539
540	printf("%s: WDR timeout\n", device_xname(&sc->sc_dev));
541	return;
542}
543
544/* Write to a controller register */
545static void
546eso_write_ctlreg(struct eso_softc *sc, uint8_t reg, uint8_t val)
547{
548
549	/* DPRINTF(("ctlreg 0x%02x = 0x%02x\n", reg, val)); */
550
551	eso_write_cmd(sc, reg);
552	eso_write_cmd(sc, val);
553}
554
555/* Read out the Read Data Register */
556static uint8_t
557eso_read_rdr(struct eso_softc *sc)
558{
559	int i;
560
561	for (i = 0; i < ESO_RDR_TIMEOUT; i++) {
562		if (bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh,
563		    ESO_SB_RBSR) & ESO_SB_RBSR_RDAV) {
564			return (bus_space_read_1(sc->sc_sb_iot,
565			    sc->sc_sb_ioh, ESO_SB_RDR));
566		} else {
567			delay(10);
568		}
569	}
570
571	printf("%s: RDR timeout\n", device_xname(&sc->sc_dev));
572	return (-1);
573}
574
575static uint8_t
576eso_read_ctlreg(struct eso_softc *sc, uint8_t reg)
577{
578
579	eso_write_cmd(sc, ESO_CMD_RCR);
580	eso_write_cmd(sc, reg);
581	return eso_read_rdr(sc);
582}
583
584static void
585eso_write_mixreg(struct eso_softc *sc, uint8_t reg, uint8_t val)
586{
587
588	KASSERT(mutex_owned(&sc->sc_intr_lock));
589
590	/* DPRINTF(("mixreg 0x%02x = 0x%02x\n", reg, val)); */
591
592	bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERADDR, reg);
593	bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERDATA, val);
594}
595
596static uint8_t
597eso_read_mixreg(struct eso_softc *sc, uint8_t reg)
598{
599	uint8_t val;
600
601	KASSERT(mutex_owned(&sc->sc_intr_lock));
602
603	bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERADDR, reg);
604	val = bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERDATA);
605
606	return val;
607}
608
609static int
610eso_intr(void *hdl)
611{
612	struct eso_softc *sc = hdl;
613#if NMPU > 0
614	struct mpu_softc *sc_mpu = device_private(sc->sc_mpudev);
615#endif
616	uint8_t irqctl;
617
618	mutex_spin_enter(&sc->sc_intr_lock);
619
620	irqctl = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ESO_IO_IRQCTL);
621
622	/* If it wasn't ours, that's all she wrote. */
623	if ((irqctl & (ESO_IO_IRQCTL_A1IRQ | ESO_IO_IRQCTL_A2IRQ |
624	    ESO_IO_IRQCTL_HVIRQ | ESO_IO_IRQCTL_MPUIRQ)) == 0) {
625		mutex_spin_exit(&sc->sc_intr_lock);
626		return 0;
627	}
628
629	if (irqctl & ESO_IO_IRQCTL_A1IRQ) {
630		/* Clear interrupt. */
631		(void)bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh,
632		    ESO_SB_RBSR);
633
634		if (sc->sc_rintr)
635			sc->sc_rintr(sc->sc_rarg);
636		else
637			cv_broadcast(&sc->sc_rcv);
638	}
639
640	if (irqctl & ESO_IO_IRQCTL_A2IRQ) {
641		/*
642		 * Clear the A2 IRQ latch: the cached value reflects the
643		 * current DAC settings with the IRQ latch bit not set.
644		 */
645		eso_write_mixreg(sc, ESO_MIXREG_A2C2, sc->sc_a2c2);
646
647		if (sc->sc_pintr)
648			sc->sc_pintr(sc->sc_parg);
649		else
650			cv_broadcast(&sc->sc_pcv);
651	}
652
653	if (irqctl & ESO_IO_IRQCTL_HVIRQ) {
654		/* Clear interrupt. */
655		eso_write_mixreg(sc, ESO_MIXREG_CHVIR, ESO_MIXREG_CHVIR_CHVIR);
656
657		/*
658		 * Raise a flag to cause a lazy update of the in-softc gain
659		 * values the next time the software mixer is read to keep
660		 * interrupt service cost low.  ~0 cannot occur otherwise
661		 * as the master volume has a precision of 6 bits only.
662		 */
663		sc->sc_gain[ESO_MASTER_VOL][ESO_LEFT] = (uint8_t)~0;
664	}
665
666#if NMPU > 0
667	if ((irqctl & ESO_IO_IRQCTL_MPUIRQ) && sc_mpu != NULL)
668		mpu_intr(sc_mpu);
669#endif
670
671	mutex_spin_exit(&sc->sc_intr_lock);
672	return 1;
673}
674
675/* Perform a software reset, including DMA FIFOs. */
676static int
677eso_reset(struct eso_softc *sc)
678{
679	int i;
680
681	bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RESET,
682	    ESO_SB_RESET_SW | ESO_SB_RESET_FIFO);
683	/* `Delay' suggested in the data sheet. */
684	(void)bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_STATUS);
685	bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RESET, 0);
686
687	/* Wait for reset to take effect. */
688	for (i = 0; i < ESO_RESET_TIMEOUT; i++) {
689		/* Poll for data to become available. */
690		if ((bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh,
691		    ESO_SB_RBSR) & ESO_SB_RBSR_RDAV) != 0 &&
692		    bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh,
693			ESO_SB_RDR) == ESO_SB_RDR_RESETMAGIC) {
694
695			/* Activate Solo-1 extension commands. */
696			eso_write_cmd(sc, ESO_CMD_EXTENB);
697			/* Reset mixer registers. */
698			eso_write_mixreg(sc, ESO_MIXREG_RESET,
699			    ESO_MIXREG_RESET_RESET);
700
701			return 0;
702		} else {
703			delay(1000);
704		}
705	}
706
707	printf("%s: reset timeout\n", device_xname(&sc->sc_dev));
708	return -1;
709}
710
711static int
712eso_query_encoding(void *hdl, struct audio_encoding *fp)
713{
714
715	switch (fp->index) {
716	case 0:
717		strcpy(fp->name, AudioEulinear);
718		fp->encoding = AUDIO_ENCODING_ULINEAR;
719		fp->precision = 8;
720		fp->flags = 0;
721		break;
722	case 1:
723		strcpy(fp->name, AudioEmulaw);
724		fp->encoding = AUDIO_ENCODING_ULAW;
725		fp->precision = 8;
726		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
727		break;
728	case 2:
729		strcpy(fp->name, AudioEalaw);
730		fp->encoding = AUDIO_ENCODING_ALAW;
731		fp->precision = 8;
732		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
733		break;
734	case 3:
735		strcpy(fp->name, AudioEslinear);
736		fp->encoding = AUDIO_ENCODING_SLINEAR;
737		fp->precision = 8;
738		fp->flags = 0;
739		break;
740	case 4:
741		strcpy(fp->name, AudioEslinear_le);
742		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
743		fp->precision = 16;
744		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
745		break;
746	case 5:
747		strcpy(fp->name, AudioEulinear_le);
748		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
749		fp->precision = 16;
750		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
751		break;
752	case 6:
753		strcpy(fp->name, AudioEslinear_be);
754		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
755		fp->precision = 16;
756		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
757		break;
758	case 7:
759		strcpy(fp->name, AudioEulinear_be);
760		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
761		fp->precision = 16;
762		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
763		break;
764	default:
765		return EINVAL;
766	}
767
768	return 0;
769}
770
771static int
772eso_set_params(void *hdl, int setmode, int usemode,
773    audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
774    stream_filter_list_t *rfil)
775{
776	struct eso_softc *sc;
777	struct audio_params *p;
778	stream_filter_list_t *fil;
779	int mode, r[2], rd[2], ar[2], clk;
780	unsigned int srg, fltdiv;
781	int i;
782
783	sc = hdl;
784	for (mode = AUMODE_RECORD; mode != -1;
785	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
786		if ((setmode & mode) == 0)
787			continue;
788
789		p = (mode == AUMODE_PLAY) ? play : rec;
790
791		if (p->sample_rate < ESO_MINRATE ||
792		    p->sample_rate > ESO_MAXRATE ||
793		    (p->precision != 8 && p->precision != 16) ||
794		    (p->channels != 1 && p->channels != 2))
795			return EINVAL;
796
797		/*
798		 * We'll compute both possible sample rate dividers and pick
799		 * the one with the least error.
800		 */
801#define ABS(x) ((x) < 0 ? -(x) : (x))
802		r[0] = ESO_CLK0 /
803		    (128 - (rd[0] = 128 - ESO_CLK0 / p->sample_rate));
804		r[1] = ESO_CLK1 /
805		    (128 - (rd[1] = 128 - ESO_CLK1 / p->sample_rate));
806
807		ar[0] = p->sample_rate - r[0];
808		ar[1] = p->sample_rate - r[1];
809		clk = ABS(ar[0]) > ABS(ar[1]) ? 1 : 0;
810		srg = rd[clk] | (clk == 1 ? ESO_CLK1_SELECT : 0x00);
811
812		/* Roll-off frequency of 87%, as in the ES1888 driver. */
813		fltdiv = 256 - 200279L / r[clk];
814
815		/* Update to reflect the possibly inexact rate. */
816		p->sample_rate = r[clk];
817
818		fil = (mode == AUMODE_PLAY) ? pfil : rfil;
819		i = auconv_set_converter(eso_formats, ESO_NFORMATS,
820					 mode, p, FALSE, fil);
821		if (i < 0)
822			return EINVAL;
823
824		mutex_spin_enter(&sc->sc_intr_lock);
825		if (mode == AUMODE_RECORD) {
826			/* Audio 1 */
827			DPRINTF(("A1 srg 0x%02x fdiv 0x%02x\n", srg, fltdiv));
828			eso_write_ctlreg(sc, ESO_CTLREG_SRG, srg);
829			eso_write_ctlreg(sc, ESO_CTLREG_FLTDIV, fltdiv);
830		} else {
831			/* Audio 2 */
832			DPRINTF(("A2 srg 0x%02x fdiv 0x%02x\n", srg, fltdiv));
833			eso_write_mixreg(sc, ESO_MIXREG_A2SRG, srg);
834			eso_write_mixreg(sc, ESO_MIXREG_A2FLTDIV, fltdiv);
835		}
836		mutex_spin_exit(&sc->sc_intr_lock);
837#undef ABS
838
839	}
840
841	return 0;
842}
843
844static int
845eso_round_blocksize(void *hdl, int blk, int mode,
846    const audio_params_t *param)
847{
848
849	return blk & -32;	/* keep good alignment; at least 16 req'd */
850}
851
852static int
853eso_halt_output(void *hdl)
854{
855	struct eso_softc *sc;
856	int error;
857
858	sc = hdl;
859	DPRINTF(("%s: halt_output\n", device_xname(&sc->sc_dev)));
860
861	/*
862	 * Disable auto-initialize DMA, allowing the FIFO to drain and then
863	 * stop.  The interrupt callback pointer is cleared at this
864	 * point so that an outstanding FIFO interrupt for the remaining data
865	 * will be acknowledged without further processing.
866	 *
867	 * This does not immediately `abort' an operation in progress (c.f.
868	 * audio(9)) but is the method to leave the FIFO behind in a clean
869	 * state with the least hair.  (Besides, that item needs to be
870	 * rephrased for trigger_*()-based DMA environments.)
871	 */
872	eso_write_mixreg(sc, ESO_MIXREG_A2C1,
873	    ESO_MIXREG_A2C1_FIFOENB | ESO_MIXREG_A2C1_DMAENB);
874	bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM,
875	    ESO_IO_A2DMAM_DMAENB);
876
877	sc->sc_pintr = NULL;
878	mutex_exit(&sc->sc_lock);
879	error = cv_timedwait_sig(&sc->sc_pcv, &sc->sc_intr_lock, sc->sc_pdrain);
880	if (!mutex_tryenter(&sc->sc_lock)) {
881		mutex_spin_exit(&sc->sc_intr_lock);
882		mutex_enter(&sc->sc_lock);
883		mutex_spin_enter(&sc->sc_intr_lock);
884	}
885
886	/* Shut down DMA completely. */
887	eso_write_mixreg(sc, ESO_MIXREG_A2C1, 0);
888	bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM, 0);
889
890	return error == EWOULDBLOCK ? 0 : error;
891}
892
893static int
894eso_halt_input(void *hdl)
895{
896	struct eso_softc *sc;
897	int error;
898
899	sc = hdl;
900	DPRINTF(("%s: halt_input\n", device_xname(&sc->sc_dev)));
901
902	/* Just like eso_halt_output(), but for Audio 1. */
903	eso_write_ctlreg(sc, ESO_CTLREG_A1C2,
904	    ESO_CTLREG_A1C2_READ | ESO_CTLREG_A1C2_ADC |
905	    ESO_CTLREG_A1C2_DMAENB);
906	bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MODE,
907	    DMA37MD_WRITE | DMA37MD_DEMAND);
908
909	sc->sc_rintr = NULL;
910	mutex_exit(&sc->sc_lock);
911	error = cv_timedwait_sig(&sc->sc_rcv, &sc->sc_intr_lock, sc->sc_rdrain);
912	if (!mutex_tryenter(&sc->sc_lock)) {
913		mutex_spin_exit(&sc->sc_intr_lock);
914		mutex_enter(&sc->sc_lock);
915		mutex_spin_enter(&sc->sc_intr_lock);
916	}
917
918	/* Shut down DMA completely. */
919	eso_write_ctlreg(sc, ESO_CTLREG_A1C2,
920	    ESO_CTLREG_A1C2_READ | ESO_CTLREG_A1C2_ADC);
921	bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MASK,
922	    ESO_DMAC_MASK_MASK);
923
924	return error == EWOULDBLOCK ? 0 : error;
925}
926
927static int
928eso_getdev(void *hdl, struct audio_device *retp)
929{
930	struct eso_softc *sc;
931
932	sc = hdl;
933	strncpy(retp->name, "ESS Solo-1", sizeof (retp->name));
934	snprintf(retp->version, sizeof (retp->version), "0x%02x",
935	    sc->sc_revision);
936	if (sc->sc_revision <
937	    sizeof (eso_rev2model) / sizeof (eso_rev2model[0]))
938		strncpy(retp->config, eso_rev2model[sc->sc_revision],
939		    sizeof (retp->config));
940	else
941		strncpy(retp->config, "unknown", sizeof (retp->config));
942
943	return 0;
944}
945
946static int
947eso_set_port(void *hdl, mixer_ctrl_t *cp)
948{
949	struct eso_softc *sc;
950	unsigned int lgain, rgain;
951	uint8_t tmp;
952	int error;
953
954	sc = hdl;
955	error = 0;
956
957	mutex_spin_enter(&sc->sc_intr_lock);
958
959	switch (cp->dev) {
960	case ESO_DAC_PLAY_VOL:
961	case ESO_MIC_PLAY_VOL:
962	case ESO_LINE_PLAY_VOL:
963	case ESO_SYNTH_PLAY_VOL:
964	case ESO_CD_PLAY_VOL:
965	case ESO_AUXB_PLAY_VOL:
966	case ESO_RECORD_VOL:
967	case ESO_DAC_REC_VOL:
968	case ESO_MIC_REC_VOL:
969	case ESO_LINE_REC_VOL:
970	case ESO_SYNTH_REC_VOL:
971	case ESO_CD_REC_VOL:
972	case ESO_AUXB_REC_VOL:
973		if (cp->type != AUDIO_MIXER_VALUE) {
974			error = EINVAL;
975			break;
976		}
977
978		/*
979		 * Stereo-capable mixer ports: if we get a single-channel
980		 * gain value passed in, then we duplicate it to both left
981		 * and right channels.
982		 */
983		switch (cp->un.value.num_channels) {
984		case 1:
985			lgain = rgain = ESO_GAIN_TO_4BIT(
986			    cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
987			break;
988		case 2:
989			lgain = ESO_GAIN_TO_4BIT(
990			    cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]);
991			rgain = ESO_GAIN_TO_4BIT(
992			    cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]);
993			break;
994		default:
995			error = EINVAL;
996			break;
997		}
998
999		if (!error) {
1000			sc->sc_gain[cp->dev][ESO_LEFT] = lgain;
1001			sc->sc_gain[cp->dev][ESO_RIGHT] = rgain;
1002			eso_set_gain(sc, cp->dev);
1003		}
1004		break;
1005
1006	case ESO_MASTER_VOL:
1007		if (cp->type != AUDIO_MIXER_VALUE) {
1008			error = EINVAL;
1009			break;
1010		}
1011
1012		/* Like above, but a precision of 6 bits. */
1013		switch (cp->un.value.num_channels) {
1014		case 1:
1015			lgain = rgain = ESO_GAIN_TO_6BIT(
1016			    cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
1017			break;
1018		case 2:
1019			lgain = ESO_GAIN_TO_6BIT(
1020			    cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]);
1021			rgain = ESO_GAIN_TO_6BIT(
1022			    cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]);
1023			break;
1024		default:
1025			error = EINVAL;
1026			break;
1027		}
1028
1029		if (!error) {
1030			sc->sc_gain[cp->dev][ESO_LEFT] = lgain;
1031			sc->sc_gain[cp->dev][ESO_RIGHT] = rgain;
1032			eso_set_gain(sc, cp->dev);
1033		}
1034		break;
1035
1036	case ESO_SPATIALIZER:
1037		if (cp->type != AUDIO_MIXER_VALUE ||
1038		    cp->un.value.num_channels != 1) {
1039			error = EINVAL;
1040			break;
1041		}
1042
1043		sc->sc_gain[cp->dev][ESO_LEFT] =
1044		    sc->sc_gain[cp->dev][ESO_RIGHT] =
1045		    ESO_GAIN_TO_6BIT(
1046			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
1047		eso_set_gain(sc, cp->dev);
1048		break;
1049
1050	case ESO_MONO_PLAY_VOL:
1051	case ESO_MONO_REC_VOL:
1052		if (cp->type != AUDIO_MIXER_VALUE ||
1053		    cp->un.value.num_channels != 1) {
1054			error = EINVAL;
1055			break;
1056		}
1057
1058		sc->sc_gain[cp->dev][ESO_LEFT] =
1059		    sc->sc_gain[cp->dev][ESO_RIGHT] =
1060		    ESO_GAIN_TO_4BIT(
1061			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
1062		eso_set_gain(sc, cp->dev);
1063		break;
1064
1065	case ESO_PCSPEAKER_VOL:
1066		if (cp->type != AUDIO_MIXER_VALUE ||
1067		    cp->un.value.num_channels != 1) {
1068			error = EINVAL;
1069			break;
1070		}
1071
1072		sc->sc_gain[cp->dev][ESO_LEFT] =
1073		    sc->sc_gain[cp->dev][ESO_RIGHT] =
1074		    ESO_GAIN_TO_3BIT(
1075			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
1076		eso_set_gain(sc, cp->dev);
1077		break;
1078
1079	case ESO_SPATIALIZER_ENABLE:
1080		if (cp->type != AUDIO_MIXER_ENUM) {
1081			error = EINVAL;
1082			break;
1083		}
1084
1085		sc->sc_spatializer = (cp->un.ord != 0);
1086
1087		tmp = eso_read_mixreg(sc, ESO_MIXREG_SPAT);
1088		if (sc->sc_spatializer)
1089			tmp |= ESO_MIXREG_SPAT_ENB;
1090		else
1091			tmp &= ~ESO_MIXREG_SPAT_ENB;
1092		eso_write_mixreg(sc, ESO_MIXREG_SPAT,
1093		    tmp | ESO_MIXREG_SPAT_RSTREL);
1094		break;
1095
1096	case ESO_MASTER_MUTE:
1097		if (cp->type != AUDIO_MIXER_ENUM) {
1098			error = EINVAL;
1099			break;
1100		}
1101
1102		sc->sc_mvmute = (cp->un.ord != 0);
1103
1104		if (sc->sc_mvmute) {
1105			eso_write_mixreg(sc, ESO_MIXREG_LMVM,
1106			    eso_read_mixreg(sc, ESO_MIXREG_LMVM) |
1107			    ESO_MIXREG_LMVM_MUTE);
1108			eso_write_mixreg(sc, ESO_MIXREG_RMVM,
1109			    eso_read_mixreg(sc, ESO_MIXREG_RMVM) |
1110			    ESO_MIXREG_RMVM_MUTE);
1111		} else {
1112			eso_write_mixreg(sc, ESO_MIXREG_LMVM,
1113			    eso_read_mixreg(sc, ESO_MIXREG_LMVM) &
1114			    ~ESO_MIXREG_LMVM_MUTE);
1115			eso_write_mixreg(sc, ESO_MIXREG_RMVM,
1116			    eso_read_mixreg(sc, ESO_MIXREG_RMVM) &
1117			    ~ESO_MIXREG_RMVM_MUTE);
1118		}
1119		break;
1120
1121	case ESO_MONOOUT_SOURCE:
1122		if (cp->type != AUDIO_MIXER_ENUM) {
1123			error = EINVAL;
1124			break;
1125		}
1126
1127		error = eso_set_monooutsrc(sc, cp->un.ord);
1128		break;
1129
1130	case ESO_MONOIN_BYPASS:
1131		if (cp->type != AUDIO_MIXER_ENUM) {
1132			error = EINVAL;
1133			break;
1134		}
1135
1136		error = (eso_set_monoinbypass(sc, cp->un.ord));
1137		break;
1138
1139	case ESO_RECORD_MONITOR:
1140		if (cp->type != AUDIO_MIXER_ENUM) {
1141			error = EINVAL;
1142			break;
1143		}
1144
1145		sc->sc_recmon = (cp->un.ord != 0);
1146
1147		tmp = eso_read_ctlreg(sc, ESO_CTLREG_ACTL);
1148		if (sc->sc_recmon)
1149			tmp |= ESO_CTLREG_ACTL_RECMON;
1150		else
1151			tmp &= ~ESO_CTLREG_ACTL_RECMON;
1152		eso_write_ctlreg(sc, ESO_CTLREG_ACTL, tmp);
1153		break;
1154
1155	case ESO_RECORD_SOURCE:
1156		if (cp->type != AUDIO_MIXER_ENUM) {
1157			error = EINVAL;
1158			break;
1159		}
1160
1161		error = eso_set_recsrc(sc, cp->un.ord);
1162		break;
1163
1164	case ESO_MIC_PREAMP:
1165		if (cp->type != AUDIO_MIXER_ENUM) {
1166			error = EINVAL;
1167			break;
1168		}
1169
1170		error = eso_set_preamp(sc, cp->un.ord);
1171		break;
1172
1173	default:
1174		error = EINVAL;
1175		break;
1176	}
1177
1178	mutex_spin_exit(&sc->sc_intr_lock);
1179	return error;
1180}
1181
1182static int
1183eso_get_port(void *hdl, mixer_ctrl_t *cp)
1184{
1185	struct eso_softc *sc;
1186	int error;
1187
1188	sc = hdl;
1189	error = 0;
1190
1191	mutex_spin_enter(&sc->sc_intr_lock);
1192
1193	switch (cp->dev) {
1194	case ESO_MASTER_VOL:
1195		/* Reload from mixer after hardware volume control use. */
1196		if (sc->sc_gain[cp->dev][ESO_LEFT] == (uint8_t)~0)
1197			eso_reload_master_vol(sc);
1198		/* FALLTHROUGH */
1199	case ESO_DAC_PLAY_VOL:
1200	case ESO_MIC_PLAY_VOL:
1201	case ESO_LINE_PLAY_VOL:
1202	case ESO_SYNTH_PLAY_VOL:
1203	case ESO_CD_PLAY_VOL:
1204	case ESO_AUXB_PLAY_VOL:
1205	case ESO_RECORD_VOL:
1206	case ESO_DAC_REC_VOL:
1207	case ESO_MIC_REC_VOL:
1208	case ESO_LINE_REC_VOL:
1209	case ESO_SYNTH_REC_VOL:
1210	case ESO_CD_REC_VOL:
1211	case ESO_AUXB_REC_VOL:
1212		/*
1213		 * Stereo-capable ports: if a single-channel query is made,
1214		 * just return the left channel's value (since single-channel
1215		 * settings themselves are applied to both channels).
1216		 */
1217		switch (cp->un.value.num_channels) {
1218		case 1:
1219			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1220			    sc->sc_gain[cp->dev][ESO_LEFT];
1221			break;
1222		case 2:
1223			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
1224			    sc->sc_gain[cp->dev][ESO_LEFT];
1225			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
1226			    sc->sc_gain[cp->dev][ESO_RIGHT];
1227			break;
1228		default:
1229			error = EINVAL;
1230			break;
1231		}
1232		break;
1233
1234	case ESO_MONO_PLAY_VOL:
1235	case ESO_PCSPEAKER_VOL:
1236	case ESO_MONO_REC_VOL:
1237	case ESO_SPATIALIZER:
1238		if (cp->un.value.num_channels != 1) {
1239			error = EINVAL;
1240			break;
1241		}
1242		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1243		    sc->sc_gain[cp->dev][ESO_LEFT];
1244		break;
1245
1246	case ESO_RECORD_MONITOR:
1247		cp->un.ord = sc->sc_recmon;
1248		break;
1249
1250	case ESO_RECORD_SOURCE:
1251		cp->un.ord = sc->sc_recsrc;
1252		break;
1253
1254	case ESO_MONOOUT_SOURCE:
1255		cp->un.ord = sc->sc_monooutsrc;
1256		break;
1257
1258	case ESO_MONOIN_BYPASS:
1259		cp->un.ord = sc->sc_monoinbypass;
1260		break;
1261
1262	case ESO_SPATIALIZER_ENABLE:
1263		cp->un.ord = sc->sc_spatializer;
1264		break;
1265
1266	case ESO_MIC_PREAMP:
1267		cp->un.ord = sc->sc_preamp;
1268		break;
1269
1270	case ESO_MASTER_MUTE:
1271		/* Reload from mixer after hardware volume control use. */
1272		if (sc->sc_gain[ESO_MASTER_VOL][ESO_LEFT] == (uint8_t)~0)
1273			eso_reload_master_vol(sc);
1274		cp->un.ord = sc->sc_mvmute;
1275		break;
1276
1277	default:
1278		error = EINVAL;
1279		break;
1280	}
1281
1282	mutex_spin_exit(&sc->sc_intr_lock);
1283	return 0;
1284}
1285
1286static int
1287eso_query_devinfo(void *hdl, mixer_devinfo_t *dip)
1288{
1289
1290	switch (dip->index) {
1291	case ESO_DAC_PLAY_VOL:
1292		dip->mixer_class = ESO_INPUT_CLASS;
1293		dip->next = dip->prev = AUDIO_MIXER_LAST;
1294		strcpy(dip->label.name, AudioNdac);
1295		dip->type = AUDIO_MIXER_VALUE;
1296		dip->un.v.num_channels = 2;
1297		strcpy(dip->un.v.units.name, AudioNvolume);
1298		break;
1299	case ESO_MIC_PLAY_VOL:
1300		dip->mixer_class = ESO_INPUT_CLASS;
1301		dip->next = dip->prev = AUDIO_MIXER_LAST;
1302		strcpy(dip->label.name, AudioNmicrophone);
1303		dip->type = AUDIO_MIXER_VALUE;
1304		dip->un.v.num_channels = 2;
1305		strcpy(dip->un.v.units.name, AudioNvolume);
1306		break;
1307	case ESO_LINE_PLAY_VOL:
1308		dip->mixer_class = ESO_INPUT_CLASS;
1309		dip->next = dip->prev = AUDIO_MIXER_LAST;
1310		strcpy(dip->label.name, AudioNline);
1311		dip->type = AUDIO_MIXER_VALUE;
1312		dip->un.v.num_channels = 2;
1313		strcpy(dip->un.v.units.name, AudioNvolume);
1314		break;
1315	case ESO_SYNTH_PLAY_VOL:
1316		dip->mixer_class = ESO_INPUT_CLASS;
1317		dip->next = dip->prev = AUDIO_MIXER_LAST;
1318		strcpy(dip->label.name, AudioNfmsynth);
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_MONO_PLAY_VOL:
1324		dip->mixer_class = ESO_INPUT_CLASS;
1325		dip->next = dip->prev = AUDIO_MIXER_LAST;
1326		strcpy(dip->label.name, "mono_in");
1327		dip->type = AUDIO_MIXER_VALUE;
1328		dip->un.v.num_channels = 1;
1329		strcpy(dip->un.v.units.name, AudioNvolume);
1330		break;
1331	case ESO_CD_PLAY_VOL:
1332		dip->mixer_class = ESO_INPUT_CLASS;
1333		dip->next = dip->prev = AUDIO_MIXER_LAST;
1334		strcpy(dip->label.name, AudioNcd);
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_AUXB_PLAY_VOL:
1340		dip->mixer_class = ESO_INPUT_CLASS;
1341		dip->next = dip->prev = AUDIO_MIXER_LAST;
1342		strcpy(dip->label.name, "auxb");
1343		dip->type = AUDIO_MIXER_VALUE;
1344		dip->un.v.num_channels = 2;
1345		strcpy(dip->un.v.units.name, AudioNvolume);
1346		break;
1347
1348	case ESO_MIC_PREAMP:
1349		dip->mixer_class = ESO_MICROPHONE_CLASS;
1350		dip->next = dip->prev = AUDIO_MIXER_LAST;
1351		strcpy(dip->label.name, AudioNpreamp);
1352		dip->type = AUDIO_MIXER_ENUM;
1353		dip->un.e.num_mem = 2;
1354		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1355		dip->un.e.member[0].ord = 0;
1356		strcpy(dip->un.e.member[1].label.name, AudioNon);
1357		dip->un.e.member[1].ord = 1;
1358		break;
1359	case ESO_MICROPHONE_CLASS:
1360		dip->mixer_class = ESO_MICROPHONE_CLASS;
1361		dip->next = dip->prev = AUDIO_MIXER_LAST;
1362		strcpy(dip->label.name, AudioNmicrophone);
1363		dip->type = AUDIO_MIXER_CLASS;
1364		break;
1365
1366	case ESO_INPUT_CLASS:
1367		dip->mixer_class = ESO_INPUT_CLASS;
1368		dip->next = dip->prev = AUDIO_MIXER_LAST;
1369		strcpy(dip->label.name, AudioCinputs);
1370		dip->type = AUDIO_MIXER_CLASS;
1371		break;
1372
1373	case ESO_MASTER_VOL:
1374		dip->mixer_class = ESO_OUTPUT_CLASS;
1375		dip->prev = AUDIO_MIXER_LAST;
1376		dip->next = ESO_MASTER_MUTE;
1377		strcpy(dip->label.name, AudioNmaster);
1378		dip->type = AUDIO_MIXER_VALUE;
1379		dip->un.v.num_channels = 2;
1380		strcpy(dip->un.v.units.name, AudioNvolume);
1381		break;
1382	case ESO_MASTER_MUTE:
1383		dip->mixer_class = ESO_OUTPUT_CLASS;
1384		dip->prev = ESO_MASTER_VOL;
1385		dip->next = AUDIO_MIXER_LAST;
1386		strcpy(dip->label.name, AudioNmute);
1387		dip->type = AUDIO_MIXER_ENUM;
1388		dip->un.e.num_mem = 2;
1389		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1390		dip->un.e.member[0].ord = 0;
1391		strcpy(dip->un.e.member[1].label.name, AudioNon);
1392		dip->un.e.member[1].ord = 1;
1393		break;
1394
1395	case ESO_PCSPEAKER_VOL:
1396		dip->mixer_class = ESO_OUTPUT_CLASS;
1397		dip->next = dip->prev = AUDIO_MIXER_LAST;
1398		strcpy(dip->label.name, "pc_speaker");
1399		dip->type = AUDIO_MIXER_VALUE;
1400		dip->un.v.num_channels = 1;
1401		strcpy(dip->un.v.units.name, AudioNvolume);
1402		break;
1403	case ESO_MONOOUT_SOURCE:
1404		dip->mixer_class = ESO_OUTPUT_CLASS;
1405		dip->next = dip->prev = AUDIO_MIXER_LAST;
1406		strcpy(dip->label.name, "mono_out");
1407		dip->type = AUDIO_MIXER_ENUM;
1408		dip->un.e.num_mem = 3;
1409		strcpy(dip->un.e.member[0].label.name, AudioNmute);
1410		dip->un.e.member[0].ord = ESO_MIXREG_MPM_MOMUTE;
1411		strcpy(dip->un.e.member[1].label.name, AudioNdac);
1412		dip->un.e.member[1].ord = ESO_MIXREG_MPM_MOA2R;
1413		strcpy(dip->un.e.member[2].label.name, AudioNmixerout);
1414		dip->un.e.member[2].ord = ESO_MIXREG_MPM_MOREC;
1415		break;
1416
1417	case ESO_MONOIN_BYPASS:
1418		dip->mixer_class = ESO_MONOIN_CLASS;
1419		dip->next = dip->prev = AUDIO_MIXER_LAST;
1420		strcpy(dip->label.name, "bypass");
1421		dip->type = AUDIO_MIXER_ENUM;
1422		dip->un.e.num_mem = 2;
1423		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1424		dip->un.e.member[0].ord = 0;
1425		strcpy(dip->un.e.member[1].label.name, AudioNon);
1426		dip->un.e.member[1].ord = 1;
1427		break;
1428	case ESO_MONOIN_CLASS:
1429		dip->mixer_class = ESO_MONOIN_CLASS;
1430		dip->next = dip->prev = AUDIO_MIXER_LAST;
1431		strcpy(dip->label.name, "mono_in");
1432		dip->type = AUDIO_MIXER_CLASS;
1433		break;
1434
1435	case ESO_SPATIALIZER:
1436		dip->mixer_class = ESO_OUTPUT_CLASS;
1437		dip->prev = AUDIO_MIXER_LAST;
1438		dip->next = ESO_SPATIALIZER_ENABLE;
1439		strcpy(dip->label.name, AudioNspatial);
1440		dip->type = AUDIO_MIXER_VALUE;
1441		dip->un.v.num_channels = 1;
1442		strcpy(dip->un.v.units.name, "level");
1443		break;
1444	case ESO_SPATIALIZER_ENABLE:
1445		dip->mixer_class = ESO_OUTPUT_CLASS;
1446		dip->prev = ESO_SPATIALIZER;
1447		dip->next = AUDIO_MIXER_LAST;
1448		strcpy(dip->label.name, "enable");
1449		dip->type = AUDIO_MIXER_ENUM;
1450		dip->un.e.num_mem = 2;
1451		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1452		dip->un.e.member[0].ord = 0;
1453		strcpy(dip->un.e.member[1].label.name, AudioNon);
1454		dip->un.e.member[1].ord = 1;
1455		break;
1456
1457	case ESO_OUTPUT_CLASS:
1458		dip->mixer_class = ESO_OUTPUT_CLASS;
1459		dip->next = dip->prev = AUDIO_MIXER_LAST;
1460		strcpy(dip->label.name, AudioCoutputs);
1461		dip->type = AUDIO_MIXER_CLASS;
1462		break;
1463
1464	case ESO_RECORD_MONITOR:
1465		dip->mixer_class = ESO_MONITOR_CLASS;
1466		dip->next = dip->prev = AUDIO_MIXER_LAST;
1467		strcpy(dip->label.name, AudioNmute);
1468		dip->type = AUDIO_MIXER_ENUM;
1469		dip->un.e.num_mem = 2;
1470		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1471		dip->un.e.member[0].ord = 0;
1472		strcpy(dip->un.e.member[1].label.name, AudioNon);
1473		dip->un.e.member[1].ord = 1;
1474		break;
1475	case ESO_MONITOR_CLASS:
1476		dip->mixer_class = ESO_MONITOR_CLASS;
1477		dip->next = dip->prev = AUDIO_MIXER_LAST;
1478		strcpy(dip->label.name, AudioCmonitor);
1479		dip->type = AUDIO_MIXER_CLASS;
1480		break;
1481
1482	case ESO_RECORD_VOL:
1483		dip->mixer_class = ESO_RECORD_CLASS;
1484		dip->next = dip->prev = AUDIO_MIXER_LAST;
1485		strcpy(dip->label.name, AudioNrecord);
1486		dip->type = AUDIO_MIXER_VALUE;
1487		strcpy(dip->un.v.units.name, AudioNvolume);
1488		break;
1489	case ESO_RECORD_SOURCE:
1490		dip->mixer_class = ESO_RECORD_CLASS;
1491		dip->next = dip->prev = AUDIO_MIXER_LAST;
1492		strcpy(dip->label.name, AudioNsource);
1493		dip->type = AUDIO_MIXER_ENUM;
1494		dip->un.e.num_mem = 4;
1495		strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
1496		dip->un.e.member[0].ord = ESO_MIXREG_ERS_MIC;
1497		strcpy(dip->un.e.member[1].label.name, AudioNline);
1498		dip->un.e.member[1].ord = ESO_MIXREG_ERS_LINE;
1499		strcpy(dip->un.e.member[2].label.name, AudioNcd);
1500		dip->un.e.member[2].ord = ESO_MIXREG_ERS_CD;
1501		strcpy(dip->un.e.member[3].label.name, AudioNmixerout);
1502		dip->un.e.member[3].ord = ESO_MIXREG_ERS_MIXER;
1503		break;
1504	case ESO_DAC_REC_VOL:
1505		dip->mixer_class = ESO_RECORD_CLASS;
1506		dip->next = dip->prev = AUDIO_MIXER_LAST;
1507		strcpy(dip->label.name, AudioNdac);
1508		dip->type = AUDIO_MIXER_VALUE;
1509		dip->un.v.num_channels = 2;
1510		strcpy(dip->un.v.units.name, AudioNvolume);
1511		break;
1512	case ESO_MIC_REC_VOL:
1513		dip->mixer_class = ESO_RECORD_CLASS;
1514		dip->next = dip->prev = AUDIO_MIXER_LAST;
1515		strcpy(dip->label.name, AudioNmicrophone);
1516		dip->type = AUDIO_MIXER_VALUE;
1517		dip->un.v.num_channels = 2;
1518		strcpy(dip->un.v.units.name, AudioNvolume);
1519		break;
1520	case ESO_LINE_REC_VOL:
1521		dip->mixer_class = ESO_RECORD_CLASS;
1522		dip->next = dip->prev = AUDIO_MIXER_LAST;
1523		strcpy(dip->label.name, AudioNline);
1524		dip->type = AUDIO_MIXER_VALUE;
1525		dip->un.v.num_channels = 2;
1526		strcpy(dip->un.v.units.name, AudioNvolume);
1527		break;
1528	case ESO_SYNTH_REC_VOL:
1529		dip->mixer_class = ESO_RECORD_CLASS;
1530		dip->next = dip->prev = AUDIO_MIXER_LAST;
1531		strcpy(dip->label.name, AudioNfmsynth);
1532		dip->type = AUDIO_MIXER_VALUE;
1533		dip->un.v.num_channels = 2;
1534		strcpy(dip->un.v.units.name, AudioNvolume);
1535		break;
1536	case ESO_MONO_REC_VOL:
1537		dip->mixer_class = ESO_RECORD_CLASS;
1538		dip->next = dip->prev = AUDIO_MIXER_LAST;
1539		strcpy(dip->label.name, "mono_in");
1540		dip->type = AUDIO_MIXER_VALUE;
1541		dip->un.v.num_channels = 1; /* No lies */
1542		strcpy(dip->un.v.units.name, AudioNvolume);
1543		break;
1544	case ESO_CD_REC_VOL:
1545		dip->mixer_class = ESO_RECORD_CLASS;
1546		dip->next = dip->prev = AUDIO_MIXER_LAST;
1547		strcpy(dip->label.name, AudioNcd);
1548		dip->type = AUDIO_MIXER_VALUE;
1549		dip->un.v.num_channels = 2;
1550		strcpy(dip->un.v.units.name, AudioNvolume);
1551		break;
1552	case ESO_AUXB_REC_VOL:
1553		dip->mixer_class = ESO_RECORD_CLASS;
1554		dip->next = dip->prev = AUDIO_MIXER_LAST;
1555		strcpy(dip->label.name, "auxb");
1556		dip->type = AUDIO_MIXER_VALUE;
1557		dip->un.v.num_channels = 2;
1558		strcpy(dip->un.v.units.name, AudioNvolume);
1559		break;
1560	case ESO_RECORD_CLASS:
1561		dip->mixer_class = ESO_RECORD_CLASS;
1562		dip->next = dip->prev = AUDIO_MIXER_LAST;
1563		strcpy(dip->label.name, AudioCrecord);
1564		dip->type = AUDIO_MIXER_CLASS;
1565		break;
1566
1567	default:
1568		return ENXIO;
1569	}
1570
1571	return 0;
1572}
1573
1574static int
1575eso_allocmem(struct eso_softc *sc, size_t size, size_t align,
1576    size_t boundary, int direction, struct eso_dma *ed)
1577{
1578	int error;
1579
1580	ed->ed_size = size;
1581
1582	error = bus_dmamem_alloc(ed->ed_dmat, ed->ed_size, align, boundary,
1583	    ed->ed_segs, sizeof (ed->ed_segs) / sizeof (ed->ed_segs[0]),
1584	    &ed->ed_nsegs, BUS_DMA_WAITOK);
1585	if (error)
1586		goto out;
1587
1588	error = bus_dmamem_map(ed->ed_dmat, ed->ed_segs, ed->ed_nsegs,
1589	    ed->ed_size, &ed->ed_kva, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
1590	if (error)
1591		goto free;
1592
1593	error = bus_dmamap_create(ed->ed_dmat, ed->ed_size, 1, ed->ed_size, 0,
1594	    BUS_DMA_WAITOK, &ed->ed_map);
1595	if (error)
1596		goto unmap;
1597
1598	error = bus_dmamap_load(ed->ed_dmat, ed->ed_map, ed->ed_kva,
1599	    ed->ed_size, NULL, BUS_DMA_WAITOK |
1600	    (direction == AUMODE_RECORD) ? BUS_DMA_READ : BUS_DMA_WRITE);
1601	if (error)
1602		goto destroy;
1603
1604	return 0;
1605
1606 destroy:
1607	bus_dmamap_destroy(ed->ed_dmat, ed->ed_map);
1608 unmap:
1609	bus_dmamem_unmap(ed->ed_dmat, ed->ed_kva, ed->ed_size);
1610 free:
1611	bus_dmamem_free(ed->ed_dmat, ed->ed_segs, ed->ed_nsegs);
1612 out:
1613	return error;
1614}
1615
1616static void
1617eso_freemem(struct eso_dma *ed)
1618{
1619
1620	bus_dmamap_unload(ed->ed_dmat, ed->ed_map);
1621	bus_dmamap_destroy(ed->ed_dmat, ed->ed_map);
1622	bus_dmamem_unmap(ed->ed_dmat, ed->ed_kva, ed->ed_size);
1623	bus_dmamem_free(ed->ed_dmat, ed->ed_segs, ed->ed_nsegs);
1624}
1625
1626static struct eso_dma *
1627eso_kva2dma(const struct eso_softc *sc, const void *kva)
1628{
1629	struct eso_dma *p;
1630
1631	SLIST_FOREACH(p, &sc->sc_dmas, ed_slist) {
1632		if (KVADDR(p) == kva)
1633			return p;
1634	}
1635
1636	panic("%s: kva2dma: bad kva: %p", sc->sc_dev.dv_xname, kva);
1637	/* NOTREACHED */
1638}
1639
1640static void *
1641eso_allocm(void *hdl, int direction, size_t size)
1642{
1643	struct eso_softc *sc;
1644	struct eso_dma *ed;
1645	size_t boundary;
1646	int error;
1647
1648	sc = hdl;
1649	if ((ed = kmem_alloc(sizeof (*ed), KM_SLEEP)) == NULL)
1650		return NULL;
1651
1652	/*
1653	 * Apparently the Audio 1 DMA controller's current address
1654	 * register can't roll over a 64K address boundary, so we have to
1655	 * take care of that ourselves.  Similarly, the Audio 2 DMA
1656	 * controller needs a 1M address boundary.
1657	 */
1658	if (direction == AUMODE_RECORD)
1659		boundary = 0x10000;
1660	else
1661		boundary = 0x100000;
1662
1663	/*
1664	 * XXX Work around allocation problems for Audio 1, which
1665	 * XXX implements the 24 low address bits only, with
1666	 * XXX machine-specific DMA tag use.
1667	 */
1668#ifdef alpha
1669	/*
1670	 * XXX Force allocation through the (ISA) SGMAP.
1671	 */
1672	if (direction == AUMODE_RECORD)
1673		ed->ed_dmat = alphabus_dma_get_tag(sc->sc_dmat, ALPHA_BUS_ISA);
1674	else
1675#elif defined(amd64) || defined(i386)
1676	/*
1677	 * XXX Force allocation through the ISA DMA tag.
1678	 */
1679	if (direction == AUMODE_RECORD)
1680		ed->ed_dmat = &isa_bus_dma_tag;
1681	else
1682#endif
1683		ed->ed_dmat = sc->sc_dmat;
1684
1685	error = eso_allocmem(sc, size, 32, boundary, direction, ed);
1686	if (error) {
1687		kmem_free(ed, sizeof(*ed));
1688		return NULL;
1689	}
1690	SLIST_INSERT_HEAD(&sc->sc_dmas, ed, ed_slist);
1691
1692	return KVADDR(ed);
1693}
1694
1695static void
1696eso_freem(void *hdl, void *addr, size_t size)
1697{
1698	struct eso_softc *sc;
1699	struct eso_dma *p;
1700
1701	sc = hdl;
1702	p = eso_kva2dma(sc, addr);
1703
1704	SLIST_REMOVE(&sc->sc_dmas, p, eso_dma, ed_slist);
1705	eso_freemem(p);
1706	kmem_free(p, sizeof(*p));
1707}
1708
1709static size_t
1710eso_round_buffersize(void *hdl, int direction, size_t bufsize)
1711{
1712	size_t maxsize;
1713
1714	/*
1715	 * The playback DMA buffer size on the Solo-1 is limited to 0xfff0
1716	 * bytes.  This is because IO_A2DMAC is a two byte value
1717	 * indicating the literal byte count, and the 4 least significant
1718	 * bits are read-only.  Zero is not used as a special case for
1719	 * 0x10000.
1720	 *
1721	 * For recording, DMAC_DMAC is the byte count - 1, so 0x10000 can
1722	 * be represented.
1723	 */
1724	maxsize = (direction == AUMODE_PLAY) ? 0xfff0 : 0x10000;
1725
1726	if (bufsize > maxsize)
1727		bufsize = maxsize;
1728
1729	return bufsize;
1730}
1731
1732static paddr_t
1733eso_mappage(void *hdl, void *addr, off_t offs, int prot)
1734{
1735	struct eso_softc *sc;
1736	struct eso_dma *ed;
1737
1738	sc = hdl;
1739	if (offs < 0)
1740		return -1;
1741	ed = eso_kva2dma(sc, addr);
1742
1743	return bus_dmamem_mmap(ed->ed_dmat, ed->ed_segs, ed->ed_nsegs,
1744	    offs, prot, BUS_DMA_WAITOK);
1745}
1746
1747/* ARGSUSED */
1748static int
1749eso_get_props(void *hdl)
1750{
1751
1752	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1753	    AUDIO_PROP_FULLDUPLEX;
1754}
1755
1756static int
1757eso_trigger_output(void *hdl, void *start, void *end, int blksize,
1758    void (*intr)(void *), void *arg, const audio_params_t *param)
1759{
1760	struct eso_softc *sc;
1761	struct eso_dma *ed;
1762	uint8_t a2c1;
1763
1764	sc = hdl;
1765	DPRINTF((
1766	    "%s: trigger_output: start %p, end %p, blksize %d, intr %p(%p)\n",
1767	    device_xname(&sc->sc_dev), start, end, blksize, intr, arg));
1768	DPRINTF(("%s: param: rate %u, encoding %u, precision %u, channels %u\n",
1769	    device_xname(&sc->sc_dev), param->sample_rate, param->encoding,
1770	    param->precision, param->channels));
1771
1772	/* Find DMA buffer. */
1773	ed = eso_kva2dma(sc, start);
1774	DPRINTF(("%s: dmaaddr %lx\n",
1775	    device_xname(&sc->sc_dev), (unsigned long)DMAADDR(ed)));
1776
1777	sc->sc_pintr = intr;
1778	sc->sc_parg = arg;
1779
1780	/* Compute drain timeout. */
1781	sc->sc_pdrain = (blksize * NBBY * hz) /
1782	    (param->sample_rate * param->channels *
1783	     param->precision) + 2;	/* slop */
1784
1785	/* DMA transfer count (in `words'!) reload using 2's complement. */
1786	blksize = -(blksize >> 1);
1787	eso_write_mixreg(sc, ESO_MIXREG_A2TCRLO, blksize & 0xff);
1788	eso_write_mixreg(sc, ESO_MIXREG_A2TCRHI, blksize >> 8);
1789
1790	/* Update DAC to reflect DMA count and audio parameters. */
1791	/* Note: we cache A2C2 in order to avoid r/m/w at interrupt time. */
1792	if (param->precision == 16)
1793		sc->sc_a2c2 |= ESO_MIXREG_A2C2_16BIT;
1794	else
1795		sc->sc_a2c2 &= ~ESO_MIXREG_A2C2_16BIT;
1796	if (param->channels == 2)
1797		sc->sc_a2c2 |= ESO_MIXREG_A2C2_STEREO;
1798	else
1799		sc->sc_a2c2 &= ~ESO_MIXREG_A2C2_STEREO;
1800	if (param->encoding == AUDIO_ENCODING_SLINEAR_BE ||
1801	    param->encoding == AUDIO_ENCODING_SLINEAR_LE)
1802		sc->sc_a2c2 |= ESO_MIXREG_A2C2_SIGNED;
1803	else
1804		sc->sc_a2c2 &= ~ESO_MIXREG_A2C2_SIGNED;
1805	/* Unmask IRQ. */
1806	sc->sc_a2c2 |= ESO_MIXREG_A2C2_IRQM;
1807	eso_write_mixreg(sc, ESO_MIXREG_A2C2, sc->sc_a2c2);
1808
1809	/* Set up DMA controller. */
1810	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAA,
1811	    DMAADDR(ed));
1812	bus_space_write_2(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAC,
1813	    (uint8_t *)end - (uint8_t *)start);
1814	bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM,
1815	    ESO_IO_A2DMAM_DMAENB | ESO_IO_A2DMAM_AUTO);
1816
1817	/* Start DMA. */
1818	a2c1 = eso_read_mixreg(sc, ESO_MIXREG_A2C1);
1819	a2c1 &= ~ESO_MIXREG_A2C1_RESV0; /* Paranoia? XXX bit 5 */
1820	a2c1 |= ESO_MIXREG_A2C1_FIFOENB | ESO_MIXREG_A2C1_DMAENB |
1821	    ESO_MIXREG_A2C1_AUTO;
1822	eso_write_mixreg(sc, ESO_MIXREG_A2C1, a2c1);
1823
1824	return 0;
1825}
1826
1827static int
1828eso_trigger_input(void *hdl, void *start, void *end, int blksize,
1829    void (*intr)(void *), void *arg, const audio_params_t *param)
1830{
1831	struct eso_softc *sc;
1832	struct eso_dma *ed;
1833	uint8_t actl, a1c1;
1834
1835	sc = hdl;
1836	DPRINTF((
1837	    "%s: trigger_input: start %p, end %p, blksize %d, intr %p(%p)\n",
1838	    device_xname(&sc->sc_dev), start, end, blksize, intr, arg));
1839	DPRINTF(("%s: param: rate %u, encoding %u, precision %u, channels %u\n",
1840	    device_xname(&sc->sc_dev), param->sample_rate, param->encoding,
1841	    param->precision, param->channels));
1842
1843	/*
1844	 * If we failed to configure the Audio 1 DMA controller, bail here
1845	 * while retaining availability of the DAC direction (in Audio 2).
1846	 */
1847	if (!sc->sc_dmac_configured)
1848		return EIO;
1849
1850	/* Find DMA buffer. */
1851	ed = eso_kva2dma(sc, start);
1852	DPRINTF(("%s: dmaaddr %lx\n",
1853	    device_xname(&sc->sc_dev), (unsigned long)DMAADDR(ed)));
1854
1855	sc->sc_rintr = intr;
1856	sc->sc_rarg = arg;
1857
1858	/* Compute drain timeout. */
1859	sc->sc_rdrain = (blksize * NBBY * hz) /
1860	    (param->sample_rate * param->channels *
1861	     param->precision) + 2;	/* slop */
1862
1863	/* Set up ADC DMA converter parameters. */
1864	actl = eso_read_ctlreg(sc, ESO_CTLREG_ACTL);
1865	if (param->channels == 2) {
1866		actl &= ~ESO_CTLREG_ACTL_MONO;
1867		actl |= ESO_CTLREG_ACTL_STEREO;
1868	} else {
1869		actl &= ~ESO_CTLREG_ACTL_STEREO;
1870		actl |= ESO_CTLREG_ACTL_MONO;
1871	}
1872	eso_write_ctlreg(sc, ESO_CTLREG_ACTL, actl);
1873
1874	/* Set up Transfer Type: maybe move to attach time? */
1875	eso_write_ctlreg(sc, ESO_CTLREG_A1TT, ESO_CTLREG_A1TT_DEMAND4);
1876
1877	/* DMA transfer count reload using 2's complement. */
1878	blksize = -blksize;
1879	eso_write_ctlreg(sc, ESO_CTLREG_A1TCRLO, blksize & 0xff);
1880	eso_write_ctlreg(sc, ESO_CTLREG_A1TCRHI, blksize >> 8);
1881
1882	/* Set up and enable Audio 1 DMA FIFO. */
1883	a1c1 = ESO_CTLREG_A1C1_RESV1 | ESO_CTLREG_A1C1_FIFOENB;
1884	if (param->precision == 16)
1885		a1c1 |= ESO_CTLREG_A1C1_16BIT;
1886	if (param->channels == 2)
1887		a1c1 |= ESO_CTLREG_A1C1_STEREO;
1888	else
1889		a1c1 |= ESO_CTLREG_A1C1_MONO;
1890	if (param->encoding == AUDIO_ENCODING_SLINEAR_BE ||
1891	    param->encoding == AUDIO_ENCODING_SLINEAR_LE)
1892		a1c1 |= ESO_CTLREG_A1C1_SIGNED;
1893	eso_write_ctlreg(sc, ESO_CTLREG_A1C1, a1c1);
1894
1895	/* Set up ADC IRQ/DRQ parameters. */
1896	eso_write_ctlreg(sc, ESO_CTLREG_LAIC,
1897	    ESO_CTLREG_LAIC_PINENB | ESO_CTLREG_LAIC_EXTENB);
1898	eso_write_ctlreg(sc, ESO_CTLREG_DRQCTL,
1899	    ESO_CTLREG_DRQCTL_ENB1 | ESO_CTLREG_DRQCTL_EXTENB);
1900
1901	/* Set up and enable DMA controller. */
1902	bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_CLEAR, 0);
1903	bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MASK,
1904	    ESO_DMAC_MASK_MASK);
1905	bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MODE,
1906	    DMA37MD_WRITE | DMA37MD_LOOP | DMA37MD_DEMAND);
1907	bus_space_write_4(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_DMAA,
1908	    DMAADDR(ed));
1909	bus_space_write_2(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_DMAC,
1910	    (uint8_t *)end - (uint8_t *)start - 1);
1911	bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MASK, 0);
1912
1913	/* Start DMA. */
1914	eso_write_ctlreg(sc, ESO_CTLREG_A1C2,
1915	    ESO_CTLREG_A1C2_DMAENB | ESO_CTLREG_A1C2_READ |
1916	    ESO_CTLREG_A1C2_AUTO | ESO_CTLREG_A1C2_ADC);
1917
1918	return 0;
1919}
1920
1921
1922static void
1923eso_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1924{
1925	struct eso_softc *sc;
1926
1927	sc = addr;
1928	*intr = &sc->sc_intr_lock;
1929	*thread = &sc->sc_lock;
1930}
1931
1932/*
1933 * Mixer utility functions.
1934 */
1935static int
1936eso_set_recsrc(struct eso_softc *sc, unsigned int recsrc)
1937{
1938	mixer_devinfo_t di;
1939	int i;
1940
1941	KASSERT(mutex_owned(&sc->sc_intr_lock));
1942
1943	di.index = ESO_RECORD_SOURCE;
1944	if (eso_query_devinfo(sc, &di) != 0)
1945		panic("eso_set_recsrc: eso_query_devinfo failed");
1946
1947	for (i = 0; i < di.un.e.num_mem; i++) {
1948		if (recsrc == di.un.e.member[i].ord) {
1949			eso_write_mixreg(sc, ESO_MIXREG_ERS, recsrc);
1950			sc->sc_recsrc = recsrc;
1951			return 0;
1952		}
1953	}
1954
1955	return EINVAL;
1956}
1957
1958static int
1959eso_set_monooutsrc(struct eso_softc *sc, unsigned int monooutsrc)
1960{
1961	mixer_devinfo_t di;
1962	int i;
1963	uint8_t mpm;
1964
1965	KASSERT(mutex_owned(&sc->sc_intr_lock));
1966
1967	di.index = ESO_MONOOUT_SOURCE;
1968	if (eso_query_devinfo(sc, &di) != 0)
1969		panic("eso_set_monooutsrc: eso_query_devinfo failed");
1970
1971	for (i = 0; i < di.un.e.num_mem; i++) {
1972		if (monooutsrc == di.un.e.member[i].ord) {
1973			mpm = eso_read_mixreg(sc, ESO_MIXREG_MPM);
1974			mpm &= ~ESO_MIXREG_MPM_MOMASK;
1975			mpm |= monooutsrc;
1976			eso_write_mixreg(sc, ESO_MIXREG_MPM, mpm);
1977			sc->sc_monooutsrc = monooutsrc;
1978			return 0;
1979		}
1980	}
1981
1982	return EINVAL;
1983}
1984
1985static int
1986eso_set_monoinbypass(struct eso_softc *sc, unsigned int monoinbypass)
1987{
1988	mixer_devinfo_t di;
1989	int i;
1990	uint8_t mpm;
1991
1992	KASSERT(mutex_owned(&sc->sc_intr_lock));
1993
1994	di.index = ESO_MONOIN_BYPASS;
1995	if (eso_query_devinfo(sc, &di) != 0)
1996		panic("eso_set_monoinbypass: eso_query_devinfo failed");
1997
1998	for (i = 0; i < di.un.e.num_mem; i++) {
1999		if (monoinbypass == di.un.e.member[i].ord) {
2000			mpm = eso_read_mixreg(sc, ESO_MIXREG_MPM);
2001			mpm &= ~(ESO_MIXREG_MPM_MOMASK | ESO_MIXREG_MPM_RESV0);
2002			mpm |= (monoinbypass ? ESO_MIXREG_MPM_MIBYPASS : 0);
2003			eso_write_mixreg(sc, ESO_MIXREG_MPM, mpm);
2004			sc->sc_monoinbypass = monoinbypass;
2005			return 0;
2006		}
2007	}
2008
2009	return EINVAL;
2010}
2011
2012static int
2013eso_set_preamp(struct eso_softc *sc, unsigned int preamp)
2014{
2015	mixer_devinfo_t di;
2016	int i;
2017	uint8_t mpm;
2018
2019	KASSERT(mutex_owned(&sc->sc_intr_lock));
2020
2021	di.index = ESO_MIC_PREAMP;
2022	if (eso_query_devinfo(sc, &di) != 0)
2023		panic("eso_set_preamp: eso_query_devinfo failed");
2024
2025	for (i = 0; i < di.un.e.num_mem; i++) {
2026		if (preamp == di.un.e.member[i].ord) {
2027			mpm = eso_read_mixreg(sc, ESO_MIXREG_MPM);
2028			mpm &= ~(ESO_MIXREG_MPM_PREAMP | ESO_MIXREG_MPM_RESV0);
2029			mpm |= (preamp ? ESO_MIXREG_MPM_PREAMP : 0);
2030			eso_write_mixreg(sc, ESO_MIXREG_MPM, mpm);
2031			sc->sc_preamp = preamp;
2032			return 0;
2033		}
2034	}
2035
2036	return EINVAL;
2037}
2038
2039/*
2040 * Reload Master Volume and Mute values in softc from mixer; used when
2041 * those have previously been invalidated by use of hardware volume controls.
2042 */
2043static void
2044eso_reload_master_vol(struct eso_softc *sc)
2045{
2046	uint8_t mv;
2047
2048	KASSERT(mutex_owned(&sc->sc_intr_lock));
2049
2050	mv = eso_read_mixreg(sc, ESO_MIXREG_LMVM);
2051	sc->sc_gain[ESO_MASTER_VOL][ESO_LEFT] =
2052	    (mv & ~ESO_MIXREG_LMVM_MUTE) << 2;
2053	mv = eso_read_mixreg(sc, ESO_MIXREG_LMVM);
2054	sc->sc_gain[ESO_MASTER_VOL][ESO_RIGHT] =
2055	    (mv & ~ESO_MIXREG_RMVM_MUTE) << 2;
2056	/* Currently both channels are muted simultaneously; either is OK. */
2057	sc->sc_mvmute = (mv & ESO_MIXREG_RMVM_MUTE) != 0;
2058}
2059
2060static void
2061eso_set_gain(struct eso_softc *sc, unsigned int port)
2062{
2063	uint8_t mixreg, tmp;
2064
2065	KASSERT(mutex_owned(&sc->sc_intr_lock));
2066
2067	switch (port) {
2068	case ESO_DAC_PLAY_VOL:
2069		mixreg = ESO_MIXREG_PVR_A2;
2070		break;
2071	case ESO_MIC_PLAY_VOL:
2072		mixreg = ESO_MIXREG_PVR_MIC;
2073		break;
2074	case ESO_LINE_PLAY_VOL:
2075		mixreg = ESO_MIXREG_PVR_LINE;
2076		break;
2077	case ESO_SYNTH_PLAY_VOL:
2078		mixreg = ESO_MIXREG_PVR_SYNTH;
2079		break;
2080	case ESO_CD_PLAY_VOL:
2081		mixreg = ESO_MIXREG_PVR_CD;
2082		break;
2083	case ESO_AUXB_PLAY_VOL:
2084		mixreg = ESO_MIXREG_PVR_AUXB;
2085		break;
2086
2087	case ESO_DAC_REC_VOL:
2088		mixreg = ESO_MIXREG_RVR_A2;
2089		break;
2090	case ESO_MIC_REC_VOL:
2091		mixreg = ESO_MIXREG_RVR_MIC;
2092		break;
2093	case ESO_LINE_REC_VOL:
2094		mixreg = ESO_MIXREG_RVR_LINE;
2095		break;
2096	case ESO_SYNTH_REC_VOL:
2097		mixreg = ESO_MIXREG_RVR_SYNTH;
2098		break;
2099	case ESO_CD_REC_VOL:
2100		mixreg = ESO_MIXREG_RVR_CD;
2101		break;
2102	case ESO_AUXB_REC_VOL:
2103		mixreg = ESO_MIXREG_RVR_AUXB;
2104		break;
2105	case ESO_MONO_PLAY_VOL:
2106		mixreg = ESO_MIXREG_PVR_MONO;
2107		break;
2108	case ESO_MONO_REC_VOL:
2109		mixreg = ESO_MIXREG_RVR_MONO;
2110		break;
2111
2112	case ESO_PCSPEAKER_VOL:
2113		/* Special case - only 3-bit, mono, and reserved bits. */
2114		tmp = eso_read_mixreg(sc, ESO_MIXREG_PCSVR);
2115		tmp &= ESO_MIXREG_PCSVR_RESV;
2116		/* Map bits 7:5 -> 2:0. */
2117		tmp |= (sc->sc_gain[port][ESO_LEFT] >> 5);
2118		eso_write_mixreg(sc, ESO_MIXREG_PCSVR, tmp);
2119		return;
2120
2121	case ESO_MASTER_VOL:
2122		/* Special case - separate regs, and 6-bit precision. */
2123		/* Map bits 7:2 -> 5:0, reflect mute settings. */
2124		eso_write_mixreg(sc, ESO_MIXREG_LMVM,
2125		    (sc->sc_gain[port][ESO_LEFT] >> 2) |
2126		    (sc->sc_mvmute ? ESO_MIXREG_LMVM_MUTE : 0x00));
2127		eso_write_mixreg(sc, ESO_MIXREG_RMVM,
2128		    (sc->sc_gain[port][ESO_RIGHT] >> 2) |
2129		    (sc->sc_mvmute ? ESO_MIXREG_RMVM_MUTE : 0x00));
2130		return;
2131
2132	case ESO_SPATIALIZER:
2133		/* Special case - only `mono', and higher precision. */
2134		eso_write_mixreg(sc, ESO_MIXREG_SPATLVL,
2135		    sc->sc_gain[port][ESO_LEFT]);
2136		return;
2137
2138	case ESO_RECORD_VOL:
2139		/* Very Special case, controller register. */
2140		eso_write_ctlreg(sc, ESO_CTLREG_RECLVL,ESO_4BIT_GAIN_TO_STEREO(
2141		   sc->sc_gain[port][ESO_LEFT], sc->sc_gain[port][ESO_RIGHT]));
2142		return;
2143
2144	default:
2145#ifdef DIAGNOSTIC
2146		panic("eso_set_gain: bad port %u", port);
2147		/* NOTREACHED */
2148#else
2149		return;
2150#endif
2151	}
2152
2153	eso_write_mixreg(sc, mixreg, ESO_4BIT_GAIN_TO_STEREO(
2154	    sc->sc_gain[port][ESO_LEFT], sc->sc_gain[port][ESO_RIGHT]));
2155}
2156