1/*      $NetBSD: sv.c,v 1.45 2011/11/23 23:07:36 jmcneill Exp $ */
2/*      $OpenBSD: sv.c,v 1.2 1998/07/13 01:50:15 csapuntz Exp $ */
3
4/*
5 * Copyright (c) 1999, 2008 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Charles M. Hannum.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * Copyright (c) 1998 Constantine Paul Sapuntzakis
35 * All rights reserved
36 *
37 * Author: Constantine Paul Sapuntzakis (csapuntz@cvs.openbsd.org)
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 * 1. Redistributions of source code must retain the above copyright
43 *    notice, this list of conditions and the following disclaimer.
44 * 2. Redistributions in binary form must reproduce the above copyright
45 *    notice, this list of conditions and the following disclaimer in the
46 *    documentation and/or other materials provided with the distribution.
47 * 3. The author's name or those of the contributors may be used to
48 *    endorse or promote products derived from this software without
49 *    specific prior written permission.
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTORS
52 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
53 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
54 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
55 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
56 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
57 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
58 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
59 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
60 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
61 * POSSIBILITY OF SUCH DAMAGE.
62 */
63
64/*
65 * S3 SonicVibes driver
66 *   Heavily based on the eap driver by Lennart Augustsson
67 */
68
69#include <sys/cdefs.h>
70__KERNEL_RCSID(0, "$NetBSD: sv.c,v 1.45 2011/11/23 23:07:36 jmcneill Exp $");
71
72#include <sys/param.h>
73#include <sys/systm.h>
74#include <sys/kernel.h>
75#include <sys/kmem.h>
76#include <sys/device.h>
77
78#include <dev/pci/pcireg.h>
79#include <dev/pci/pcivar.h>
80#include <dev/pci/pcidevs.h>
81
82#include <sys/audioio.h>
83#include <dev/audio_if.h>
84#include <dev/mulaw.h>
85#include <dev/auconv.h>
86
87#include <dev/ic/i8237reg.h>
88#include <dev/pci/svreg.h>
89#include <dev/pci/svvar.h>
90
91#include <sys/bus.h>
92
93/* XXX
94 * The SonicVibes DMA is broken and only works on 24-bit addresses.
95 * As long as bus_dmamem_alloc_range() is missing we use the ISA
96 * DMA tag on i386.
97 */
98#if defined(i386)
99#include "isa.h"
100#if NISA > 0
101#include <dev/isa/isavar.h>
102#endif
103#endif
104
105#ifdef AUDIO_DEBUG
106#define DPRINTF(x)	if (svdebug) printf x
107#define DPRINTFN(n,x)	if (svdebug>(n)) printf x
108int	svdebug = 0;
109#else
110#define DPRINTF(x)
111#define DPRINTFN(n,x)
112#endif
113
114static int	sv_match(device_t, cfdata_t, void *);
115static void	sv_attach(device_t, device_t, void *);
116static int	sv_intr(void *);
117
118struct sv_dma {
119	bus_dmamap_t map;
120	void *addr;
121	bus_dma_segment_t segs[1];
122	int nsegs;
123	size_t size;
124	struct sv_dma *next;
125};
126#define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
127#define KERNADDR(p) ((void *)((p)->addr))
128
129CFATTACH_DECL(sv, sizeof(struct sv_softc),
130    sv_match, sv_attach, NULL, NULL);
131
132static struct audio_device sv_device = {
133	"S3 SonicVibes",
134	"",
135	"sv"
136};
137
138#define ARRAY_SIZE(foo)  ((sizeof(foo)) / sizeof(foo[0]))
139
140static int	sv_allocmem(struct sv_softc *, size_t, size_t, int,
141			    struct sv_dma *);
142static int	sv_freemem(struct sv_softc *, struct sv_dma *);
143
144static void	sv_init_mixer(struct sv_softc *);
145
146static int	sv_open(void *, int);
147static int	sv_query_encoding(void *, struct audio_encoding *);
148static int	sv_set_params(void *, int, int, audio_params_t *,
149			      audio_params_t *, stream_filter_list_t *,
150			      stream_filter_list_t *);
151static int	sv_round_blocksize(void *, int, int, const audio_params_t *);
152static int	sv_trigger_output(void *, void *, void *, int, void (*)(void *),
153				  void *, const audio_params_t *);
154static int	sv_trigger_input(void *, void *, void *, int, void (*)(void *),
155				 void *, const audio_params_t *);
156static int	sv_halt_output(void *);
157static int	sv_halt_input(void *);
158static int	sv_getdev(void *, struct audio_device *);
159static int	sv_mixer_set_port(void *, mixer_ctrl_t *);
160static int	sv_mixer_get_port(void *, mixer_ctrl_t *);
161static int	sv_query_devinfo(void *, mixer_devinfo_t *);
162static void *	sv_malloc(void *, int, size_t);
163static void	sv_free(void *, void *, size_t);
164static size_t	sv_round_buffersize(void *, int, size_t);
165static paddr_t	sv_mappage(void *, void *, off_t, int);
166static int	sv_get_props(void *);
167static void	sv_get_locks(void *, kmutex_t **, kmutex_t **);
168
169#ifdef AUDIO_DEBUG
170void    sv_dumpregs(struct sv_softc *sc);
171#endif
172
173static const struct audio_hw_if sv_hw_if = {
174	sv_open,
175	NULL,			/* close */
176	NULL,
177	sv_query_encoding,
178	sv_set_params,
179	sv_round_blocksize,
180	NULL,
181	NULL,
182	NULL,
183	NULL,
184	NULL,
185	sv_halt_output,
186	sv_halt_input,
187	NULL,
188	sv_getdev,
189	NULL,
190	sv_mixer_set_port,
191	sv_mixer_get_port,
192	sv_query_devinfo,
193	sv_malloc,
194	sv_free,
195	sv_round_buffersize,
196	sv_mappage,
197	sv_get_props,
198	sv_trigger_output,
199	sv_trigger_input,
200	NULL,
201	sv_get_locks,
202};
203
204#define SV_NFORMATS	4
205static const struct audio_format sv_formats[SV_NFORMATS] = {
206	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
207	 2, AUFMT_STEREO, 0, {2000, 48000}},
208	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
209	 1, AUFMT_MONAURAL, 0, {2000, 48000}},
210	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
211	 2, AUFMT_STEREO, 0, {2000, 48000}},
212	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
213	 1, AUFMT_MONAURAL, 0, {2000, 48000}},
214};
215
216
217static void
218sv_write(struct sv_softc *sc, uint8_t reg, uint8_t val)
219{
220
221	DPRINTFN(8,("sv_write(0x%x, 0x%x)\n", reg, val));
222	bus_space_write_1(sc->sc_iot, sc->sc_ioh, reg, val);
223}
224
225static uint8_t
226sv_read(struct sv_softc *sc, uint8_t reg)
227{
228	uint8_t val;
229
230	val = bus_space_read_1(sc->sc_iot, sc->sc_ioh, reg);
231	DPRINTFN(8,("sv_read(0x%x) = 0x%x\n", reg, val));
232	return val;
233}
234
235static uint8_t
236sv_read_indirect(struct sv_softc *sc, uint8_t reg)
237{
238	uint8_t val;
239
240	sv_write(sc, SV_CODEC_IADDR, reg & SV_IADDR_MASK);
241	val = sv_read(sc, SV_CODEC_IDATA);
242	return val;
243}
244
245static void
246sv_write_indirect(struct sv_softc *sc, uint8_t reg, uint8_t val)
247{
248	uint8_t iaddr;
249
250	iaddr = reg & SV_IADDR_MASK;
251	if (reg == SV_DMA_DATA_FORMAT)
252		iaddr |= SV_IADDR_MCE;
253
254	sv_write(sc, SV_CODEC_IADDR, iaddr);
255	sv_write(sc, SV_CODEC_IDATA, val);
256}
257
258static int
259sv_match(device_t parent, cfdata_t match, void *aux)
260{
261	struct pci_attach_args *pa;
262
263	pa = aux;
264	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_S3 &&
265	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_S3_SONICVIBES)
266		return 1;
267
268	return 0;
269}
270
271static pcireg_t pci_io_alloc_low, pci_io_alloc_high;
272
273static int
274pci_alloc_io(pci_chipset_tag_t pc, pcitag_t pt, int pcioffs,
275    bus_space_tag_t iot, bus_size_t size, bus_size_t align,
276    bus_size_t bound, int flags, bus_space_handle_t *ioh)
277{
278	bus_addr_t addr;
279	int error;
280
281	error = bus_space_alloc(iot, pci_io_alloc_low, pci_io_alloc_high,
282				size, align, bound, flags, &addr, ioh);
283	if (error)
284		return error;
285
286	pci_conf_write(pc, pt, pcioffs, addr);
287	return 0;
288}
289
290/*
291 * Allocate IO addresses when all other configuration is done.
292 */
293static void
294sv_defer(device_t self)
295{
296	struct sv_softc *sc;
297	pci_chipset_tag_t pc;
298	pcitag_t pt;
299	pcireg_t dmaio;
300
301	sc = device_private(self);
302	pc = sc->sc_pa.pa_pc;
303	pt = sc->sc_pa.pa_tag;
304	DPRINTF(("sv_defer: %p\n", sc));
305
306	/* XXX
307	 * Get a reasonable default for the I/O range.
308	 * Assume the range around SB_PORTBASE is valid on this PCI bus.
309	 */
310	pci_io_alloc_low = pci_conf_read(pc, pt, SV_SB_PORTBASE_SLOT);
311	pci_io_alloc_high = pci_io_alloc_low + 0x1000;
312
313	if (pci_alloc_io(pc, pt, SV_DMAA_CONFIG_OFF,
314			  sc->sc_iot, SV_DMAA_SIZE, SV_DMAA_ALIGN, 0,
315			  0, &sc->sc_dmaa_ioh)) {
316		printf("sv_attach: cannot allocate DMA A range\n");
317		return;
318	}
319	dmaio = pci_conf_read(pc, pt, SV_DMAA_CONFIG_OFF);
320	DPRINTF(("sv_attach: addr a dmaio=0x%lx\n", (u_long)dmaio));
321	pci_conf_write(pc, pt, SV_DMAA_CONFIG_OFF,
322		       dmaio | SV_DMA_CHANNEL_ENABLE | SV_DMAA_EXTENDED_ADDR);
323
324	if (pci_alloc_io(pc, pt, SV_DMAC_CONFIG_OFF,
325			  sc->sc_iot, SV_DMAC_SIZE, SV_DMAC_ALIGN, 0,
326			  0, &sc->sc_dmac_ioh)) {
327		printf("sv_attach: cannot allocate DMA C range\n");
328		return;
329	}
330	dmaio = pci_conf_read(pc, pt, SV_DMAC_CONFIG_OFF);
331	DPRINTF(("sv_attach: addr c dmaio=0x%lx\n", (u_long)dmaio));
332	pci_conf_write(pc, pt, SV_DMAC_CONFIG_OFF,
333		       dmaio | SV_DMA_CHANNEL_ENABLE);
334
335	sc->sc_dmaset = 1;
336}
337
338static void
339sv_attach(device_t parent, device_t self, void *aux)
340{
341	struct sv_softc *sc;
342	struct pci_attach_args *pa;
343	pci_chipset_tag_t pc;
344	pcitag_t pt;
345	pci_intr_handle_t ih;
346	pcireg_t csr;
347	char const *intrstr;
348	uint8_t reg;
349	struct audio_attach_args arg;
350
351	sc = device_private(self);
352	pa = aux;
353	pc = pa->pa_pc;
354	pt = pa->pa_tag;
355	printf ("\n");
356
357	/* Map I/O registers */
358	if (pci_mapreg_map(pa, SV_ENHANCED_PORTBASE_SLOT,
359			   PCI_MAPREG_TYPE_IO, 0,
360			   &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
361		aprint_error_dev(&sc->sc_dev, "can't map enhanced i/o space\n");
362		return;
363	}
364	if (pci_mapreg_map(pa, SV_FM_PORTBASE_SLOT,
365			   PCI_MAPREG_TYPE_IO, 0,
366			   &sc->sc_opliot, &sc->sc_oplioh, NULL, NULL)) {
367		aprint_error_dev(&sc->sc_dev, "can't map FM i/o space\n");
368		return;
369	}
370	if (pci_mapreg_map(pa, SV_MIDI_PORTBASE_SLOT,
371			   PCI_MAPREG_TYPE_IO, 0,
372			   &sc->sc_midiiot, &sc->sc_midiioh, NULL, NULL)) {
373		aprint_error_dev(&sc->sc_dev, "can't map MIDI i/o space\n");
374		return;
375	}
376	DPRINTF(("sv: IO ports: enhanced=0x%x, OPL=0x%x, MIDI=0x%x\n",
377		 (int)sc->sc_ioh, (int)sc->sc_oplioh, (int)sc->sc_midiioh));
378
379#if defined(alpha)
380	/* XXX Force allocation through the SGMAP. */
381	sc->sc_dmatag = alphabus_dma_get_tag(pa->pa_dmat, ALPHA_BUS_ISA);
382#elif defined(i386) && NISA > 0
383/* XXX
384 * The SonicVibes DMA is broken and only works on 24-bit addresses.
385 * As long as bus_dmamem_alloc_range() is missing we use the ISA
386 * DMA tag on i386.
387 */
388	sc->sc_dmatag = &isa_bus_dma_tag;
389#else
390	sc->sc_dmatag = pa->pa_dmat;
391#endif
392
393	pci_conf_write(pc, pt, SV_DMAA_CONFIG_OFF, SV_DMAA_EXTENDED_ADDR);
394	pci_conf_write(pc, pt, SV_DMAC_CONFIG_OFF, 0);
395
396	/* Enable the device. */
397	csr = pci_conf_read(pc, pt, PCI_COMMAND_STATUS_REG);
398	pci_conf_write(pc, pt, PCI_COMMAND_STATUS_REG,
399		       csr | PCI_COMMAND_MASTER_ENABLE);
400
401	sv_write_indirect(sc, SV_ANALOG_POWER_DOWN_CONTROL, 0);
402	sv_write_indirect(sc, SV_DIGITAL_POWER_DOWN_CONTROL, 0);
403
404	/* initialize codec registers */
405	reg = sv_read(sc, SV_CODEC_CONTROL);
406	reg |= SV_CTL_RESET;
407	sv_write(sc, SV_CODEC_CONTROL, reg);
408	delay(50);
409
410	reg = sv_read(sc, SV_CODEC_CONTROL);
411	reg &= ~SV_CTL_RESET;
412	reg |= SV_CTL_INTA | SV_CTL_ENHANCED;
413
414	/* This write clears the reset */
415	sv_write(sc, SV_CODEC_CONTROL, reg);
416	delay(50);
417
418	/* This write actually shoves the new values in */
419	sv_write(sc, SV_CODEC_CONTROL, reg);
420
421	DPRINTF(("sv_attach: control=0x%x\n", sv_read(sc, SV_CODEC_CONTROL)));
422
423	/* Map and establish the interrupt. */
424	if (pci_intr_map(pa, &ih)) {
425		aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n");
426		return;
427	}
428
429	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
430	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
431
432	intrstr = pci_intr_string(pc, ih);
433	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, sv_intr, sc);
434	if (sc->sc_ih == NULL) {
435		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
436		if (intrstr != NULL)
437			aprint_error(" at %s", intrstr);
438		aprint_error("\n");
439		mutex_destroy(&sc->sc_lock);
440		mutex_destroy(&sc->sc_intr_lock);
441		return;
442	}
443	printf("%s: interrupting at %s\n", device_xname(&sc->sc_dev), intrstr);
444	printf("%s: rev %d", device_xname(&sc->sc_dev),
445	       sv_read_indirect(sc, SV_REVISION_LEVEL));
446	if (sv_read(sc, SV_CODEC_CONTROL) & SV_CTL_MD1)
447		printf(", reverb SRAM present");
448	if (!(sv_read_indirect(sc, SV_WAVETABLE_SOURCE_SELECT) & SV_WSS_WT0))
449		printf(", wavetable ROM present");
450	printf("\n");
451
452	/* Enable DMA interrupts */
453	reg = sv_read(sc, SV_CODEC_INTMASK);
454	reg &= ~(SV_INTMASK_DMAA | SV_INTMASK_DMAC);
455	reg |= SV_INTMASK_UD | SV_INTMASK_SINT | SV_INTMASK_MIDI;
456	sv_write(sc, SV_CODEC_INTMASK, reg);
457	sv_read(sc, SV_CODEC_STATUS);
458
459	sv_init_mixer(sc);
460
461	audio_attach_mi(&sv_hw_if, sc, &sc->sc_dev);
462
463	arg.type = AUDIODEV_TYPE_OPL;
464	arg.hwif = 0;
465	arg.hdl = 0;
466	(void)config_found(&sc->sc_dev, &arg, audioprint);
467
468	sc->sc_pa = *pa;	/* for deferred setup */
469	config_defer(self, sv_defer);
470}
471
472#ifdef AUDIO_DEBUG
473void
474sv_dumpregs(struct sv_softc *sc)
475{
476	int idx;
477
478#if 0
479	for (idx = 0; idx < 0x50; idx += 4)
480		printf ("%02x = %x\n", idx,
481			pci_conf_read(pa->pa_pc, pa->pa_tag, idx));
482#endif
483
484	for (idx = 0; idx < 6; idx++)
485		printf ("REG %02x = %02x\n", idx, sv_read(sc, idx));
486
487	for (idx = 0; idx < 0x32; idx++)
488		printf ("IREG %02x = %02x\n", idx, sv_read_indirect(sc, idx));
489
490	for (idx = 0; idx < 0x10; idx++)
491		printf ("DMA %02x = %02x\n", idx,
492			bus_space_read_1(sc->sc_iot, sc->sc_dmaa_ioh, idx));
493}
494#endif
495
496static int
497sv_intr(void *p)
498{
499	struct sv_softc *sc;
500	uint8_t intr;
501
502	sc = p;
503
504	mutex_spin_enter(&sc->sc_intr_lock);
505
506	intr = sv_read(sc, SV_CODEC_STATUS);
507	DPRINTFN(5,("sv_intr: intr=0x%x\n", intr));
508
509	if (intr & SV_INTSTATUS_DMAA) {
510		if (sc->sc_pintr)
511			sc->sc_pintr(sc->sc_parg);
512	}
513
514	if (intr & SV_INTSTATUS_DMAC) {
515		if (sc->sc_rintr)
516			sc->sc_rintr(sc->sc_rarg);
517	}
518
519	mutex_spin_exit(&sc->sc_intr_lock);
520
521	return (intr & (SV_INTSTATUS_DMAA | SV_INTSTATUS_DMAC)) != 0;
522}
523
524static int
525sv_allocmem(struct sv_softc *sc, size_t size, size_t align,
526    int direction, struct sv_dma *p)
527{
528	int error;
529
530	p->size = size;
531	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
532	    p->segs, ARRAY_SIZE(p->segs), &p->nsegs, BUS_DMA_WAITOK);
533	if (error)
534		return error;
535
536	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
537	    &p->addr, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
538	if (error)
539		goto free;
540
541	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
542	    0, BUS_DMA_WAITOK, &p->map);
543	if (error)
544		goto unmap;
545
546	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
547	    BUS_DMA_WAITOK | (direction == AUMODE_RECORD) ? BUS_DMA_READ : BUS_DMA_WRITE);
548	if (error)
549		goto destroy;
550	DPRINTF(("sv_allocmem: pa=%lx va=%lx pba=%lx\n",
551	    (long)p->segs[0].ds_addr, (long)KERNADDR(p), (long)DMAADDR(p)));
552	return 0;
553
554destroy:
555	bus_dmamap_destroy(sc->sc_dmatag, p->map);
556unmap:
557	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
558free:
559	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
560	return error;
561}
562
563static int
564sv_freemem(struct sv_softc *sc, struct sv_dma *p)
565{
566
567	bus_dmamap_unload(sc->sc_dmatag, p->map);
568	bus_dmamap_destroy(sc->sc_dmatag, p->map);
569	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
570	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
571	return 0;
572}
573
574static int
575sv_open(void *addr, int flags)
576{
577	struct sv_softc *sc;
578
579	sc = addr;
580	DPRINTF(("sv_open\n"));
581	if (!sc->sc_dmaset)
582		return ENXIO;
583
584	return 0;
585}
586
587static int
588sv_query_encoding(void *addr, struct audio_encoding *fp)
589{
590
591	switch (fp->index) {
592	case 0:
593		strcpy(fp->name, AudioEulinear);
594		fp->encoding = AUDIO_ENCODING_ULINEAR;
595		fp->precision = 8;
596		fp->flags = 0;
597		return 0;
598	case 1:
599		strcpy(fp->name, AudioEmulaw);
600		fp->encoding = AUDIO_ENCODING_ULAW;
601		fp->precision = 8;
602		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
603		return 0;
604	case 2:
605		strcpy(fp->name, AudioEalaw);
606		fp->encoding = AUDIO_ENCODING_ALAW;
607		fp->precision = 8;
608		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
609		return 0;
610	case 3:
611		strcpy(fp->name, AudioEslinear);
612		fp->encoding = AUDIO_ENCODING_SLINEAR;
613		fp->precision = 8;
614		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
615		return 0;
616	case 4:
617		strcpy(fp->name, AudioEslinear_le);
618		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
619		fp->precision = 16;
620		fp->flags = 0;
621		return 0;
622	case 5:
623		strcpy(fp->name, AudioEulinear_le);
624		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
625		fp->precision = 16;
626		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
627		return 0;
628	case 6:
629		strcpy(fp->name, AudioEslinear_be);
630		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
631		fp->precision = 16;
632		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
633		return 0;
634	case 7:
635		strcpy(fp->name, AudioEulinear_be);
636		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
637		fp->precision = 16;
638		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
639		return 0;
640	default:
641		return EINVAL;
642	}
643}
644
645static int
646sv_set_params(void *addr, int setmode, int usemode, audio_params_t *play,
647    audio_params_t *rec, stream_filter_list_t *pfil, stream_filter_list_t *rfil)
648{
649	struct sv_softc *sc;
650	audio_params_t *p;
651	uint32_t val;
652
653	sc = addr;
654	p = NULL;
655	/*
656	 * This device only has one clock, so make the sample rates match.
657	 */
658	if (play->sample_rate != rec->sample_rate &&
659	    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
660		if (setmode == AUMODE_PLAY) {
661			rec->sample_rate = play->sample_rate;
662			setmode |= AUMODE_RECORD;
663		} else if (setmode == AUMODE_RECORD) {
664			play->sample_rate = rec->sample_rate;
665			setmode |= AUMODE_PLAY;
666		} else
667			return EINVAL;
668	}
669
670	if (setmode & AUMODE_RECORD) {
671		p = rec;
672		if (auconv_set_converter(sv_formats, SV_NFORMATS,
673					 AUMODE_RECORD, rec, FALSE, rfil) < 0)
674			return EINVAL;
675	}
676	if (setmode & AUMODE_PLAY) {
677		p = play;
678		if (auconv_set_converter(sv_formats, SV_NFORMATS,
679					 AUMODE_PLAY, play, FALSE, pfil) < 0)
680			return EINVAL;
681	}
682
683	if (p == NULL)
684		return 0;
685
686	val = p->sample_rate * 65536 / 48000;
687	/*
688	 * If the sample rate is exactly 48 kHz, the fraction would overflow the
689	 * register, so we have to bias it.  This causes a little clock drift.
690	 * The drift is below normal crystal tolerance (.0001%), so although
691	 * this seems a little silly, we can pretty much ignore it.
692	 * (I tested the output speed with values of 1-20, just to be sure this
693	 * register isn't *supposed* to have a bias.  It isn't.)
694	 * - mycroft
695	 */
696	if (val > 65535)
697		val = 65535;
698
699	mutex_spin_enter(&sc->sc_intr_lock);
700	sv_write_indirect(sc, SV_PCM_SAMPLE_RATE_0, val & 0xff);
701	sv_write_indirect(sc, SV_PCM_SAMPLE_RATE_1, val >> 8);
702	mutex_spin_exit(&sc->sc_intr_lock);
703
704#define F_REF 24576000
705
706#define ABS(x) (((x) < 0) ? (-x) : (x))
707
708	if (setmode & AUMODE_RECORD) {
709		/* The ADC reference frequency (f_out) is 512 * sample rate */
710
711		/* f_out is dervied from the 24.576MHz crystal by three values:
712		   M & N & R. The equation is as follows:
713
714		   f_out = (m + 2) * f_ref / ((n + 2) * (2 ^ a))
715
716		   with the constraint that:
717
718		   80 MHz < (m + 2) / (n + 2) * f_ref <= 150MHz
719		   and n, m >= 1
720		*/
721
722		int  goal_f_out;
723		int  a, n, m, best_n, best_m, best_error;
724		int  pll_sample;
725		int  error;
726
727		goal_f_out = 512 * rec->sample_rate;
728		best_n = 0;
729		best_m = 0;
730		best_error = 10000000;
731		for (a = 0; a < 8; a++) {
732			if ((goal_f_out * (1 << a)) >= 80000000)
733				break;
734		}
735
736		/* a != 8 because sample_rate >= 2000 */
737
738		for (n = 33; n > 2; n--) {
739			m = (goal_f_out * n * (1 << a)) / F_REF;
740			if ((m > 257) || (m < 3))
741				continue;
742
743			pll_sample = (m * F_REF) / (n * (1 << a));
744			pll_sample /= 512;
745
746			/* Threshold might be good here */
747			error = pll_sample - rec->sample_rate;
748			error = ABS(error);
749
750			if (error < best_error) {
751				best_error = error;
752				best_n = n;
753				best_m = m;
754				if (error == 0) break;
755			}
756		}
757
758		best_n -= 2;
759		best_m -= 2;
760
761		mutex_spin_enter(&sc->sc_intr_lock);
762		sv_write_indirect(sc, SV_ADC_PLL_M, best_m);
763		sv_write_indirect(sc, SV_ADC_PLL_N,
764				  best_n | (a << SV_PLL_R_SHIFT));
765		mutex_spin_exit(&sc->sc_intr_lock);
766	}
767
768	return 0;
769}
770
771static int
772sv_round_blocksize(void *addr, int blk, int mode,
773    const audio_params_t *param)
774{
775
776	return blk & -32;	/* keep good alignment */
777}
778
779static int
780sv_trigger_output(void *addr, void *start, void *end, int blksize,
781    void (*intr)(void *), void *arg, const audio_params_t *param)
782{
783	struct sv_softc *sc;
784	struct sv_dma *p;
785	uint8_t mode;
786	int dma_count;
787
788	DPRINTFN(1, ("sv_trigger_output: sc=%p start=%p end=%p blksize=%d "
789	    "intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
790	sc = addr;
791	sc->sc_pintr = intr;
792	sc->sc_parg = arg;
793
794	mode = sv_read_indirect(sc, SV_DMA_DATA_FORMAT);
795	mode &= ~(SV_DMAA_FORMAT16 | SV_DMAA_STEREO);
796	if (param->precision == 16)
797		mode |= SV_DMAA_FORMAT16;
798	if (param->channels == 2)
799		mode |= SV_DMAA_STEREO;
800	sv_write_indirect(sc, SV_DMA_DATA_FORMAT, mode);
801
802	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
803		continue;
804	if (p == NULL) {
805		printf("sv_trigger_output: bad addr %p\n", start);
806		return EINVAL;
807	}
808
809	dma_count = ((char *)end - (char *)start) - 1;
810	DPRINTF(("sv_trigger_output: DMA start loop input addr=%x cc=%d\n",
811	    (int)DMAADDR(p), dma_count));
812
813	bus_space_write_4(sc->sc_iot, sc->sc_dmaa_ioh, SV_DMA_ADDR0,
814			  DMAADDR(p));
815	bus_space_write_4(sc->sc_iot, sc->sc_dmaa_ioh, SV_DMA_COUNT0,
816			  dma_count);
817	bus_space_write_1(sc->sc_iot, sc->sc_dmaa_ioh, SV_DMA_MODE,
818			  DMA37MD_READ | DMA37MD_LOOP);
819
820	DPRINTF(("sv_trigger_output: current addr=%x\n",
821	    bus_space_read_4(sc->sc_iot, sc->sc_dmaa_ioh, SV_DMA_ADDR0)));
822
823	dma_count = blksize - 1;
824
825	sv_write_indirect(sc, SV_DMAA_COUNT1, dma_count >> 8);
826	sv_write_indirect(sc, SV_DMAA_COUNT0, dma_count & 0xFF);
827
828	mode = sv_read_indirect(sc, SV_PLAY_RECORD_ENABLE);
829	sv_write_indirect(sc, SV_PLAY_RECORD_ENABLE, mode | SV_PLAY_ENABLE);
830
831	return 0;
832}
833
834static int
835sv_trigger_input(void *addr, void *start, void *end, int blksize,
836    void (*intr)(void *), void *arg, const audio_params_t *param)
837{
838	struct sv_softc *sc;
839	struct sv_dma *p;
840	uint8_t mode;
841	int dma_count;
842
843	DPRINTFN(1, ("sv_trigger_input: sc=%p start=%p end=%p blksize=%d "
844	    "intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
845	sc = addr;
846	sc->sc_rintr = intr;
847	sc->sc_rarg = arg;
848
849	mode = sv_read_indirect(sc, SV_DMA_DATA_FORMAT);
850	mode &= ~(SV_DMAC_FORMAT16 | SV_DMAC_STEREO);
851	if (param->precision == 16)
852		mode |= SV_DMAC_FORMAT16;
853	if (param->channels == 2)
854		mode |= SV_DMAC_STEREO;
855	sv_write_indirect(sc, SV_DMA_DATA_FORMAT, mode);
856
857	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
858		continue;
859	if (!p) {
860		printf("sv_trigger_input: bad addr %p\n", start);
861		return EINVAL;
862	}
863
864	dma_count = (((char *)end - (char *)start) >> 1) - 1;
865	DPRINTF(("sv_trigger_input: DMA start loop input addr=%x cc=%d\n",
866	    (int)DMAADDR(p), dma_count));
867
868	bus_space_write_4(sc->sc_iot, sc->sc_dmac_ioh, SV_DMA_ADDR0,
869			  DMAADDR(p));
870	bus_space_write_4(sc->sc_iot, sc->sc_dmac_ioh, SV_DMA_COUNT0,
871			  dma_count);
872	bus_space_write_1(sc->sc_iot, sc->sc_dmac_ioh, SV_DMA_MODE,
873			  DMA37MD_WRITE | DMA37MD_LOOP);
874
875	DPRINTF(("sv_trigger_input: current addr=%x\n",
876	    bus_space_read_4(sc->sc_iot, sc->sc_dmac_ioh, SV_DMA_ADDR0)));
877
878	dma_count = (blksize >> 1) - 1;
879
880	sv_write_indirect(sc, SV_DMAC_COUNT1, dma_count >> 8);
881	sv_write_indirect(sc, SV_DMAC_COUNT0, dma_count & 0xFF);
882
883	mode = sv_read_indirect(sc, SV_PLAY_RECORD_ENABLE);
884	sv_write_indirect(sc, SV_PLAY_RECORD_ENABLE, mode | SV_RECORD_ENABLE);
885
886	return 0;
887}
888
889static int
890sv_halt_output(void *addr)
891{
892	struct sv_softc *sc;
893	uint8_t mode;
894
895	DPRINTF(("sv: sv_halt_output\n"));
896	sc = addr;
897	mode = sv_read_indirect(sc, SV_PLAY_RECORD_ENABLE);
898	sv_write_indirect(sc, SV_PLAY_RECORD_ENABLE, mode & ~SV_PLAY_ENABLE);
899	sc->sc_pintr = 0;
900
901	return 0;
902}
903
904static int
905sv_halt_input(void *addr)
906{
907	struct sv_softc *sc;
908	uint8_t mode;
909
910	DPRINTF(("sv: sv_halt_input\n"));
911	sc = addr;
912	mode = sv_read_indirect(sc, SV_PLAY_RECORD_ENABLE);
913	sv_write_indirect(sc, SV_PLAY_RECORD_ENABLE, mode & ~SV_RECORD_ENABLE);
914	sc->sc_rintr = 0;
915
916	return 0;
917}
918
919static int
920sv_getdev(void *addr, struct audio_device *retp)
921{
922
923	*retp = sv_device;
924	return 0;
925}
926
927
928/*
929 * Mixer related code is here
930 *
931 */
932
933#define SV_INPUT_CLASS 0
934#define SV_OUTPUT_CLASS 1
935#define SV_RECORD_CLASS 2
936
937#define SV_LAST_CLASS 2
938
939static const char *mixer_classes[] =
940	{ AudioCinputs, AudioCoutputs, AudioCrecord };
941
942static const struct {
943	uint8_t   l_port;
944	uint8_t   r_port;
945	uint8_t   mask;
946	uint8_t   class;
947	const char *audio;
948} ports[] = {
949  { SV_LEFT_AUX1_INPUT_CONTROL, SV_RIGHT_AUX1_INPUT_CONTROL, SV_AUX1_MASK,
950    SV_INPUT_CLASS, "aux1" },
951  { SV_LEFT_CD_INPUT_CONTROL, SV_RIGHT_CD_INPUT_CONTROL, SV_CD_MASK,
952    SV_INPUT_CLASS, AudioNcd },
953  { SV_LEFT_LINE_IN_INPUT_CONTROL, SV_RIGHT_LINE_IN_INPUT_CONTROL, SV_LINE_IN_MASK,
954    SV_INPUT_CLASS, AudioNline },
955  { SV_MIC_INPUT_CONTROL, 0, SV_MIC_MASK, SV_INPUT_CLASS, AudioNmicrophone },
956  { SV_LEFT_SYNTH_INPUT_CONTROL, SV_RIGHT_SYNTH_INPUT_CONTROL,
957    SV_SYNTH_MASK, SV_INPUT_CLASS, AudioNfmsynth },
958  { SV_LEFT_AUX2_INPUT_CONTROL, SV_RIGHT_AUX2_INPUT_CONTROL, SV_AUX2_MASK,
959    SV_INPUT_CLASS, "aux2" },
960  { SV_LEFT_PCM_INPUT_CONTROL, SV_RIGHT_PCM_INPUT_CONTROL, SV_PCM_MASK,
961    SV_INPUT_CLASS, AudioNdac },
962  { SV_LEFT_MIXER_OUTPUT_CONTROL, SV_RIGHT_MIXER_OUTPUT_CONTROL,
963    SV_MIXER_OUT_MASK, SV_OUTPUT_CLASS, AudioNmaster }
964};
965
966
967static const struct {
968	int idx;
969	const char *name;
970} record_sources[] = {
971	{ SV_REC_CD, AudioNcd },
972	{ SV_REC_DAC, AudioNdac },
973	{ SV_REC_AUX2, "aux2" },
974	{ SV_REC_LINE, AudioNline },
975	{ SV_REC_AUX1, "aux1" },
976	{ SV_REC_MIC, AudioNmicrophone },
977	{ SV_REC_MIXER, AudioNmixerout }
978};
979
980
981#define SV_DEVICES_PER_PORT 2
982#define SV_FIRST_MIXER (SV_LAST_CLASS + 1)
983#define SV_LAST_MIXER (SV_DEVICES_PER_PORT * (ARRAY_SIZE(ports)) + SV_LAST_CLASS)
984#define SV_RECORD_SOURCE (SV_LAST_MIXER + 1)
985#define SV_MIC_BOOST (SV_LAST_MIXER + 2)
986#define SV_RECORD_GAIN (SV_LAST_MIXER + 3)
987#define SV_SRS_MODE (SV_LAST_MIXER + 4)
988
989static int
990sv_query_devinfo(void *addr, mixer_devinfo_t *dip)
991{
992	int i;
993
994	/* It's a class */
995	if (dip->index <= SV_LAST_CLASS) {
996		dip->type = AUDIO_MIXER_CLASS;
997		dip->mixer_class = dip->index;
998		dip->next = dip->prev = AUDIO_MIXER_LAST;
999		strcpy(dip->label.name, mixer_classes[dip->index]);
1000		return 0;
1001	}
1002
1003	if (dip->index >= SV_FIRST_MIXER &&
1004	    dip->index <= SV_LAST_MIXER) {
1005		int off, mute ,idx;
1006
1007		off = dip->index - SV_FIRST_MIXER;
1008		mute = (off % SV_DEVICES_PER_PORT);
1009		idx = off / SV_DEVICES_PER_PORT;
1010		dip->mixer_class = ports[idx].class;
1011		strcpy(dip->label.name, ports[idx].audio);
1012
1013		if (!mute) {
1014			dip->type = AUDIO_MIXER_VALUE;
1015			dip->prev = AUDIO_MIXER_LAST;
1016			dip->next = dip->index + 1;
1017
1018			if (ports[idx].r_port != 0)
1019				dip->un.v.num_channels = 2;
1020			else
1021				dip->un.v.num_channels = 1;
1022
1023			strcpy(dip->un.v.units.name, AudioNvolume);
1024		} else {
1025			dip->type = AUDIO_MIXER_ENUM;
1026			dip->prev = dip->index - 1;
1027			dip->next = AUDIO_MIXER_LAST;
1028
1029			strcpy(dip->label.name, AudioNmute);
1030			dip->un.e.num_mem = 2;
1031			strcpy(dip->un.e.member[0].label.name, AudioNoff);
1032			dip->un.e.member[0].ord = 0;
1033			strcpy(dip->un.e.member[1].label.name, AudioNon);
1034			dip->un.e.member[1].ord = 1;
1035		}
1036
1037		return 0;
1038	}
1039
1040	switch (dip->index) {
1041	case SV_RECORD_SOURCE:
1042		dip->mixer_class = SV_RECORD_CLASS;
1043		dip->prev = AUDIO_MIXER_LAST;
1044		dip->next = SV_RECORD_GAIN;
1045		strcpy(dip->label.name, AudioNsource);
1046		dip->type = AUDIO_MIXER_ENUM;
1047
1048		dip->un.e.num_mem = ARRAY_SIZE(record_sources);
1049		for (i = 0; i < ARRAY_SIZE(record_sources); i++) {
1050			strcpy(dip->un.e.member[i].label.name,
1051			       record_sources[i].name);
1052			dip->un.e.member[i].ord = record_sources[i].idx;
1053		}
1054		return 0;
1055
1056	case SV_RECORD_GAIN:
1057		dip->mixer_class = SV_RECORD_CLASS;
1058		dip->prev = SV_RECORD_SOURCE;
1059		dip->next = AUDIO_MIXER_LAST;
1060		strcpy(dip->label.name, "gain");
1061		dip->type = AUDIO_MIXER_VALUE;
1062		dip->un.v.num_channels = 1;
1063		strcpy(dip->un.v.units.name, AudioNvolume);
1064		return 0;
1065
1066	case SV_MIC_BOOST:
1067		dip->mixer_class = SV_RECORD_CLASS;
1068		dip->prev = AUDIO_MIXER_LAST;
1069		dip->next = AUDIO_MIXER_LAST;
1070		strcpy(dip->label.name, "micboost");
1071		goto on_off;
1072
1073	case SV_SRS_MODE:
1074		dip->mixer_class = SV_OUTPUT_CLASS;
1075		dip->prev = dip->next = AUDIO_MIXER_LAST;
1076		strcpy(dip->label.name, AudioNspatial);
1077
1078	on_off:
1079		dip->type = AUDIO_MIXER_ENUM;
1080		dip->un.e.num_mem = 2;
1081		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1082		dip->un.e.member[0].ord = 0;
1083		strcpy(dip->un.e.member[1].label.name, AudioNon);
1084		dip->un.e.member[1].ord = 1;
1085		return 0;
1086	}
1087
1088	return ENXIO;
1089}
1090
1091static int
1092sv_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1093{
1094	struct sv_softc *sc;
1095	uint8_t reg;
1096	int idx;
1097
1098	sc = addr;
1099	if (cp->dev >= SV_FIRST_MIXER &&
1100	    cp->dev <= SV_LAST_MIXER) {
1101		int off, mute;
1102
1103		off = cp->dev - SV_FIRST_MIXER;
1104		mute = (off % SV_DEVICES_PER_PORT);
1105		idx = off / SV_DEVICES_PER_PORT;
1106
1107		if (mute) {
1108			if (cp->type != AUDIO_MIXER_ENUM)
1109				return EINVAL;
1110
1111			mutex_spin_enter(&sc->sc_intr_lock);
1112			reg = sv_read_indirect(sc, ports[idx].l_port);
1113			if (cp->un.ord)
1114				reg |= SV_MUTE_BIT;
1115			else
1116				reg &= ~SV_MUTE_BIT;
1117			sv_write_indirect(sc, ports[idx].l_port, reg);
1118
1119			if (ports[idx].r_port) {
1120				reg = sv_read_indirect(sc, ports[idx].r_port);
1121				if (cp->un.ord)
1122					reg |= SV_MUTE_BIT;
1123				else
1124					reg &= ~SV_MUTE_BIT;
1125				sv_write_indirect(sc, ports[idx].r_port, reg);
1126			}
1127			mutex_spin_exit(&sc->sc_intr_lock);
1128		} else {
1129			int  lval, rval;
1130
1131			if (cp->type != AUDIO_MIXER_VALUE)
1132				return EINVAL;
1133
1134			if (cp->un.value.num_channels != 1 &&
1135			    cp->un.value.num_channels != 2)
1136				return (EINVAL);
1137
1138			if (ports[idx].r_port == 0) {
1139				if (cp->un.value.num_channels != 1)
1140					return (EINVAL);
1141				lval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1142				rval = 0; /* shut up GCC */
1143			} else {
1144				if (cp->un.value.num_channels != 2)
1145					return (EINVAL);
1146
1147				lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1148				rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1149			}
1150
1151			mutex_spin_enter(&sc->sc_intr_lock);
1152			reg = sv_read_indirect(sc, ports[idx].l_port);
1153			reg &= ~(ports[idx].mask);
1154			lval = (AUDIO_MAX_GAIN - lval) * ports[idx].mask /
1155				AUDIO_MAX_GAIN;
1156			reg |= lval;
1157			sv_write_indirect(sc, ports[idx].l_port, reg);
1158
1159			if (ports[idx].r_port != 0) {
1160				reg = sv_read_indirect(sc, ports[idx].r_port);
1161				reg &= ~(ports[idx].mask);
1162
1163				rval = (AUDIO_MAX_GAIN - rval) * ports[idx].mask /
1164					AUDIO_MAX_GAIN;
1165				reg |= rval;
1166
1167				sv_write_indirect(sc, ports[idx].r_port, reg);
1168			}
1169
1170			sv_read_indirect(sc, ports[idx].l_port);
1171			mutex_spin_exit(&sc->sc_intr_lock);
1172		}
1173
1174		return 0;
1175	}
1176
1177
1178	switch (cp->dev) {
1179	case SV_RECORD_SOURCE:
1180		if (cp->type != AUDIO_MIXER_ENUM)
1181			return EINVAL;
1182
1183		for (idx = 0; idx < ARRAY_SIZE(record_sources); idx++) {
1184			if (record_sources[idx].idx == cp->un.ord)
1185				goto found;
1186		}
1187
1188		return EINVAL;
1189
1190	found:
1191		mutex_spin_enter(&sc->sc_intr_lock);
1192		reg = sv_read_indirect(sc, SV_LEFT_ADC_INPUT_CONTROL);
1193		reg &= ~SV_REC_SOURCE_MASK;
1194		reg |= (((cp->un.ord) << SV_REC_SOURCE_SHIFT) & SV_REC_SOURCE_MASK);
1195		sv_write_indirect(sc, SV_LEFT_ADC_INPUT_CONTROL, reg);
1196
1197		reg = sv_read_indirect(sc, SV_RIGHT_ADC_INPUT_CONTROL);
1198		reg &= ~SV_REC_SOURCE_MASK;
1199		reg |= (((cp->un.ord) << SV_REC_SOURCE_SHIFT) & SV_REC_SOURCE_MASK);
1200		sv_write_indirect(sc, SV_RIGHT_ADC_INPUT_CONTROL, reg);
1201		mutex_spin_exit(&sc->sc_intr_lock);
1202		return 0;
1203
1204	case SV_RECORD_GAIN:
1205	{
1206		int val;
1207
1208		if (cp->type != AUDIO_MIXER_VALUE)
1209			return EINVAL;
1210
1211		if (cp->un.value.num_channels != 1)
1212			return EINVAL;
1213
1214		val = (cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]
1215		    * SV_REC_GAIN_MASK) / AUDIO_MAX_GAIN;
1216
1217		mutex_spin_enter(&sc->sc_intr_lock);
1218		reg = sv_read_indirect(sc, SV_LEFT_ADC_INPUT_CONTROL);
1219		reg &= ~SV_REC_GAIN_MASK;
1220		reg |= val;
1221		sv_write_indirect(sc, SV_LEFT_ADC_INPUT_CONTROL, reg);
1222
1223		reg = sv_read_indirect(sc, SV_RIGHT_ADC_INPUT_CONTROL);
1224		reg &= ~SV_REC_GAIN_MASK;
1225		reg |= val;
1226		sv_write_indirect(sc, SV_RIGHT_ADC_INPUT_CONTROL, reg);
1227		mutex_spin_exit(&sc->sc_intr_lock);
1228	}
1229	return (0);
1230
1231	case SV_MIC_BOOST:
1232		if (cp->type != AUDIO_MIXER_ENUM)
1233			return EINVAL;
1234
1235		mutex_spin_enter(&sc->sc_intr_lock);
1236		reg = sv_read_indirect(sc, SV_LEFT_ADC_INPUT_CONTROL);
1237		if (cp->un.ord) {
1238			reg |= SV_MIC_BOOST_BIT;
1239		} else {
1240			reg &= ~SV_MIC_BOOST_BIT;
1241		}
1242
1243		sv_write_indirect(sc, SV_LEFT_ADC_INPUT_CONTROL, reg);
1244		mutex_spin_exit(&sc->sc_intr_lock);
1245		return 0;
1246
1247	case SV_SRS_MODE:
1248		if (cp->type != AUDIO_MIXER_ENUM)
1249			return EINVAL;
1250
1251		mutex_spin_enter(&sc->sc_intr_lock);
1252		reg = sv_read_indirect(sc, SV_SRS_SPACE_CONTROL);
1253		if (cp->un.ord) {
1254			reg &= ~SV_SRS_SPACE_ONOFF;
1255		} else {
1256			reg |= SV_SRS_SPACE_ONOFF;
1257		}
1258
1259		sv_write_indirect(sc, SV_SRS_SPACE_CONTROL, reg);
1260		mutex_spin_exit(&sc->sc_intr_lock);
1261		return 0;
1262	}
1263
1264	return EINVAL;
1265}
1266
1267static int
1268sv_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1269{
1270	struct sv_softc *sc;
1271	int val, error;
1272	uint8_t reg;
1273
1274	sc = addr;
1275	error = 0;
1276
1277	mutex_spin_enter(&sc->sc_intr_lock);
1278
1279	if (cp->dev >= SV_FIRST_MIXER &&
1280	    cp->dev <= SV_LAST_MIXER) {
1281		int off = cp->dev - SV_FIRST_MIXER;
1282		int mute = (off % 2);
1283		int idx = off / 2;
1284
1285		off = cp->dev - SV_FIRST_MIXER;
1286		mute = (off % 2);
1287		idx = off / 2;
1288		if (mute) {
1289			if (cp->type != AUDIO_MIXER_ENUM)
1290				error = EINVAL;
1291			else {
1292				reg = sv_read_indirect(sc, ports[idx].l_port);
1293				cp->un.ord = ((reg & SV_MUTE_BIT) ? 1 : 0);
1294			}
1295		} else {
1296			if (cp->type != AUDIO_MIXER_VALUE ||
1297			    (cp->un.value.num_channels != 1 &&
1298			    cp->un.value.num_channels != 2) ||
1299			   ((ports[idx].r_port == 0 &&
1300			     cp->un.value.num_channels != 1) ||
1301			    (ports[idx].r_port != 0 &&
1302			     cp->un.value.num_channels != 2)))
1303				error = EINVAL;
1304			else {
1305				reg = sv_read_indirect(sc, ports[idx].l_port);
1306				reg &= ports[idx].mask;
1307
1308				val = AUDIO_MAX_GAIN -
1309				    ((reg * AUDIO_MAX_GAIN) / ports[idx].mask);
1310
1311				if (ports[idx].r_port != 0) {
1312					cp->un.value.level
1313					    [AUDIO_MIXER_LEVEL_LEFT] = val;
1314
1315					reg = sv_read_indirect(sc,
1316					    ports[idx].r_port);
1317					reg &= ports[idx].mask;
1318
1319					val = AUDIO_MAX_GAIN -
1320					    ((reg * AUDIO_MAX_GAIN)
1321					    / ports[idx].mask);
1322					cp->un.value.level
1323					    [AUDIO_MIXER_LEVEL_RIGHT] = val;
1324				} else
1325					cp->un.value.level
1326					    [AUDIO_MIXER_LEVEL_MONO] = val;
1327			}
1328		}
1329
1330		return error;
1331	}
1332
1333	switch (cp->dev) {
1334	case SV_RECORD_SOURCE:
1335		if (cp->type != AUDIO_MIXER_ENUM) {
1336			error = EINVAL;
1337			break;
1338		}
1339
1340		reg = sv_read_indirect(sc, SV_LEFT_ADC_INPUT_CONTROL);
1341		cp->un.ord = ((reg & SV_REC_SOURCE_MASK) >> SV_REC_SOURCE_SHIFT);
1342
1343		break;
1344
1345	case SV_RECORD_GAIN:
1346		if (cp->type != AUDIO_MIXER_VALUE) {
1347			error = EINVAL;
1348			break;
1349		}
1350		if (cp->un.value.num_channels != 1) {
1351			error = EINVAL;
1352			break;
1353		}
1354
1355		reg = sv_read_indirect(sc, SV_LEFT_ADC_INPUT_CONTROL) & SV_REC_GAIN_MASK;
1356		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1357			(((unsigned int)reg) * AUDIO_MAX_GAIN) / SV_REC_GAIN_MASK;
1358
1359		break;
1360
1361	case SV_MIC_BOOST:
1362		if (cp->type != AUDIO_MIXER_ENUM) {
1363			error = EINVAL;
1364			break;
1365		}
1366		reg = sv_read_indirect(sc, SV_LEFT_ADC_INPUT_CONTROL);
1367		cp->un.ord = ((reg & SV_MIC_BOOST_BIT) ? 1 : 0);
1368		break;
1369
1370	case SV_SRS_MODE:
1371		if (cp->type != AUDIO_MIXER_ENUM) {
1372			error = EINVAL;
1373			break;
1374		}
1375		reg = sv_read_indirect(sc, SV_SRS_SPACE_CONTROL);
1376		cp->un.ord = ((reg & SV_SRS_SPACE_ONOFF) ? 0 : 1);
1377		break;
1378	default:
1379		error = EINVAL;
1380		break;
1381	}
1382
1383	mutex_spin_exit(&sc->sc_intr_lock);
1384	return error;
1385}
1386
1387static void
1388sv_init_mixer(struct sv_softc *sc)
1389{
1390	mixer_ctrl_t cp;
1391	int i;
1392
1393	cp.type = AUDIO_MIXER_ENUM;
1394	cp.dev = SV_SRS_MODE;
1395	cp.un.ord = 0;
1396
1397	sv_mixer_set_port(sc, &cp);
1398
1399	for (i = 0; i < ARRAY_SIZE(ports); i++) {
1400		if (!strcmp(ports[i].audio, AudioNdac)) {
1401			cp.type = AUDIO_MIXER_ENUM;
1402			cp.dev = SV_FIRST_MIXER + i * SV_DEVICES_PER_PORT + 1;
1403			cp.un.ord = 0;
1404			sv_mixer_set_port(sc, &cp);
1405			break;
1406		}
1407	}
1408}
1409
1410static void *
1411sv_malloc(void *addr, int direction, size_t size)
1412{
1413	struct sv_softc *sc;
1414	struct sv_dma *p;
1415	int error;
1416
1417	sc = addr;
1418	p = kmem_alloc(sizeof(*p), KM_SLEEP);
1419	if (p == NULL)
1420		return NULL;
1421	error = sv_allocmem(sc, size, 16, direction, p);
1422	if (error) {
1423		kmem_free(p, sizeof(*p));
1424		return 0;
1425	}
1426	p->next = sc->sc_dmas;
1427	sc->sc_dmas = p;
1428	return KERNADDR(p);
1429}
1430
1431static void
1432sv_free(void *addr, void *ptr, size_t size)
1433{
1434	struct sv_softc *sc;
1435	struct sv_dma **pp, *p;
1436
1437	sc = addr;
1438	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1439		if (KERNADDR(p) == ptr) {
1440			sv_freemem(sc, p);
1441			*pp = p->next;
1442			kmem_free(p, sizeof(*p));
1443			return;
1444		}
1445	}
1446}
1447
1448static size_t
1449sv_round_buffersize(void *addr, int direction, size_t size)
1450{
1451
1452	return size;
1453}
1454
1455static paddr_t
1456sv_mappage(void *addr, void *mem, off_t off, int prot)
1457{
1458	struct sv_softc *sc;
1459	struct sv_dma *p;
1460
1461	sc = addr;
1462	if (off < 0)
1463		return -1;
1464	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1465		continue;
1466	if (p == NULL)
1467		return -1;
1468	return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1469			       off, prot, BUS_DMA_WAITOK);
1470}
1471
1472static int
1473sv_get_props(void *addr)
1474{
1475	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1476}
1477
1478static void
1479sv_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1480{
1481	struct sv_softc *sc;
1482
1483	sc = addr;
1484	*intr = &sc->sc_intr_lock;
1485	*thread = &sc->sc_lock;
1486}
1487