1/*	$NetBSD: yds.c,v 1.70 2024/02/09 22:08:36 andvar Exp $	*/
2
3/*
4 * Copyright (c) 2000, 2001 Kazuki Sakamoto and Minoura Makoto.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28/*
29 * Yamaha YMF724[B-F]/740[B-C]/744/754
30 *
31 * Documentation links:
32 * - ftp://ftp.alsa-project.org/pub/manuals/yamaha/
33 * - ftp://ftp.alsa-project.org/pub/manuals/yamaha/pci/
34 *
35 * TODO:
36 * - FM synth volume (difficult: mixed before ac97)
37 * - Digital in/out (SPDIF) support
38 * - Effect??
39 */
40
41#include <sys/cdefs.h>
42__KERNEL_RCSID(0, "$NetBSD: yds.c,v 1.70 2024/02/09 22:08:36 andvar Exp $");
43
44#include "mpu.h"
45
46#include <sys/param.h>
47#include <sys/systm.h>
48#include <sys/kernel.h>
49#include <sys/fcntl.h>
50#include <sys/kmem.h>
51#include <sys/device.h>
52#include <sys/proc.h>
53
54#include <dev/pci/pcidevs.h>
55#include <dev/pci/pcireg.h>
56#include <dev/pci/pcivar.h>
57
58#include <sys/audioio.h>
59#include <dev/audio/audio_if.h>
60#include <dev/ic/ac97reg.h>
61#include <dev/ic/ac97var.h>
62#include <dev/ic/mpuvar.h>
63
64#include <sys/bus.h>
65#include <sys/intr.h>
66
67#include <dev/microcode/yds/yds_hwmcode.h>
68#include <dev/pci/ydsreg.h>
69#include <dev/pci/ydsvar.h>
70
71/* Debug */
72#undef YDS_USE_REC_SLOT
73#define YDS_USE_P44
74
75#ifdef AUDIO_DEBUG
76# define DPRINTF(x)	if (ydsdebug) printf x
77# define DPRINTFN(n,x)	if (ydsdebug>(n)) printf x
78int	ydsdebug = 0;
79#else
80# define DPRINTF(x)
81# define DPRINTFN(n,x)
82#endif
83#ifdef YDS_USE_REC_SLOT
84# define YDS_INPUT_SLOT 0	/* REC slot = ADC + loopbacks */
85#else
86# define YDS_INPUT_SLOT 1	/* ADC slot */
87#endif
88
89static int	yds_match(device_t, cfdata_t, void *);
90static void	yds_attach(device_t, device_t, void *);
91static int	yds_intr(void *);
92
93#define DMAADDR(p)	((p)->map->dm_segs[0].ds_addr)
94#define KERNADDR(p)	((void *)((p)->addr))
95
96static int	yds_allocmem(struct yds_softc *, size_t, size_t,
97			     struct yds_dma *);
98static int	yds_freemem(struct yds_softc *, struct yds_dma *);
99
100#ifndef AUDIO_DEBUG
101#define YWRITE1(sc, r, x) bus_space_write_1((sc)->memt, (sc)->memh, (r), (x))
102#define YWRITE2(sc, r, x) bus_space_write_2((sc)->memt, (sc)->memh, (r), (x))
103#define YWRITE4(sc, r, x) bus_space_write_4((sc)->memt, (sc)->memh, (r), (x))
104#define YREAD1(sc, r)	bus_space_read_1((sc)->memt, (sc)->memh, (r))
105#define YREAD2(sc, r)	bus_space_read_2((sc)->memt, (sc)->memh, (r))
106#define YREAD4(sc, r)	bus_space_read_4((sc)->memt, (sc)->memh, (r))
107#else
108static uint16_t YREAD2(struct yds_softc *sc, bus_size_t r)
109{
110	DPRINTFN(5, (" YREAD2(0x%lX)\n", (unsigned long)r));
111	return bus_space_read_2(sc->memt, sc->memh, r);
112}
113
114static uint32_t YREAD4(struct yds_softc *sc, bus_size_t r)
115{
116	DPRINTFN(5, (" YREAD4(0x%lX)\n", (unsigned long)r));
117	return bus_space_read_4(sc->memt, sc->memh, r);
118}
119
120#ifdef notdef
121static void YWRITE1(struct yds_softc *sc, bus_size_t r, uint8_t x)
122{
123	DPRINTFN(5, (" YWRITE1(0x%lX,0x%lX)\n", (unsigned long)r,
124		     (unsigned long)x));
125	bus_space_write_1(sc->memt, sc->memh, r, x);
126}
127#endif
128
129static void YWRITE2(struct yds_softc *sc, bus_size_t r, uint16_t x)
130{
131	DPRINTFN(5, (" YWRITE2(0x%lX,0x%lX)\n", (unsigned long)r,
132		     (unsigned long)x));
133	bus_space_write_2(sc->memt, sc->memh, r, x);
134}
135
136static void YWRITE4(struct yds_softc *sc, bus_size_t r, uint32_t x)
137{
138	DPRINTFN(5, (" YWRITE4(0x%lX,0x%lX)\n", (unsigned long)r,
139		     (unsigned long)x));
140	bus_space_write_4(sc->memt, sc->memh, r, x);
141}
142#endif
143
144#define	YWRITEREGION4(sc, r, x, c)	\
145	bus_space_write_region_4((sc)->memt, (sc)->memh, (r), (x), (c) / 4)
146
147CFATTACH_DECL_NEW(yds, sizeof(struct yds_softc),
148    yds_match, yds_attach, NULL, NULL);
149
150static int	yds_open(void *, int);
151static void	yds_close(void *);
152static int	yds_query_format(void *, audio_format_query_t *);
153static int	yds_set_format(void *, int,
154			       const audio_params_t *, const audio_params_t *,
155			       audio_filter_reg_t *, audio_filter_reg_t *);
156static int	yds_round_blocksize(void *, int, int, const audio_params_t *);
157static int	yds_trigger_output(void *, void *, void *, int,
158				   void (*)(void *), void *,
159				   const audio_params_t *);
160static int	yds_trigger_input(void *, void *, void *, int,
161				  void (*)(void *), void *,
162				  const audio_params_t *);
163static int	yds_halt_output(void *);
164static int	yds_halt_input(void *);
165static int	yds_getdev(void *, struct audio_device *);
166static int	yds_mixer_set_port(void *, mixer_ctrl_t *);
167static int	yds_mixer_get_port(void *, mixer_ctrl_t *);
168static void *	yds_malloc(void *, int, size_t);
169static void	yds_free(void *, void *, size_t);
170static size_t	yds_round_buffersize(void *, int, size_t);
171static int	yds_get_props(void *);
172static int	yds_query_devinfo(void *, mixer_devinfo_t *);
173static void	yds_get_locks(void *, kmutex_t **, kmutex_t **);
174
175static int	yds_attach_codec(void *, struct ac97_codec_if *);
176static int	yds_read_codec(void *, uint8_t, uint16_t *);
177static int	yds_write_codec(void *, uint8_t, uint16_t);
178static int	yds_reset_codec(void *);
179
180static u_int	yds_get_dstype(int);
181static int	yds_download_mcode(struct yds_softc *);
182static int	yds_allocate_slots(struct yds_softc *);
183static void	yds_configure_legacy(device_t);
184static void	yds_enable_dsp(struct yds_softc *);
185static int	yds_disable_dsp(struct yds_softc *);
186static int	yds_ready_codec(struct yds_codec_softc *);
187static int	yds_halt(struct yds_softc *);
188static uint32_t yds_get_lpfq(u_int);
189static uint32_t yds_get_lpfk(u_int);
190static struct yds_dma *yds_find_dma(struct yds_softc *, void *);
191
192static int	yds_init(struct yds_softc *);
193
194#ifdef AUDIO_DEBUG
195static void	yds_dump_play_slot(struct yds_softc *, int);
196#define	YDS_DUMP_PLAY_SLOT(n, sc, bank) \
197	if (ydsdebug > (n)) yds_dump_play_slot(sc, bank)
198#else
199#define	YDS_DUMP_PLAY_SLOT(n, sc, bank)
200#endif /* AUDIO_DEBUG */
201
202static const struct audio_hw_if yds_hw_if = {
203	.open		  = yds_open,
204	.close		  = yds_close,
205	.query_format	  = yds_query_format,
206	.set_format	  = yds_set_format,
207	.round_blocksize  = yds_round_blocksize,
208	.commit_settings  = NULL,
209	.init_output	  = NULL,
210	.init_input	  = NULL,
211	.start_output	  = NULL,
212	.start_input	  = NULL,
213	.halt_output	  = yds_halt_output,
214	.halt_input	  = yds_halt_input,
215	.speaker_ctl	  = NULL,
216	.getdev		  = yds_getdev,
217	.set_port	  = yds_mixer_set_port,
218	.get_port	  = yds_mixer_get_port,
219	.query_devinfo	  = yds_query_devinfo,
220	.allocm		  = yds_malloc,
221	.freem		  = yds_free,
222	.round_buffersize = yds_round_buffersize,
223	.get_props	  = yds_get_props,
224	.trigger_output	  = yds_trigger_output,
225	.trigger_input	  = yds_trigger_input,
226	.dev_ioctl	  = NULL,
227	.get_locks	  = yds_get_locks,
228};
229
230static const struct audio_device yds_device = {
231	.name    = "Yamaha DS-1",
232	.version = "",
233	.config  = "yds"
234};
235
236static const struct {
237	uint	id;
238	u_int	flags;
239#define YDS_CAP_MCODE_1			0x0001
240#define YDS_CAP_MCODE_1E		0x0002
241#define YDS_CAP_LEGACY_SELECTABLE	0x0004
242#define YDS_CAP_LEGACY_FLEXIBLE		0x0008
243#define YDS_CAP_HAS_P44			0x0010
244} yds_chip_capabliity_list[] = {
245	{ PCI_PRODUCT_YAMAHA_YMF724,
246	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },
247	/* 740[C] has only 32 slots.  But anyway we use only 2 */
248	{ PCI_PRODUCT_YAMAHA_YMF740,
249	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },	/* XXX NOT TESTED */
250	{ PCI_PRODUCT_YAMAHA_YMF740C,
251	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
252	{ PCI_PRODUCT_YAMAHA_YMF724F,
253	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
254	{ PCI_PRODUCT_YAMAHA_YMF744B,
255	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE },
256	{ PCI_PRODUCT_YAMAHA_YMF754,
257	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE|YDS_CAP_HAS_P44 },
258	{ 0, 0 }
259};
260#ifdef AUDIO_DEBUG
261#define YDS_CAP_BITS	"\020\005P44\004LEGFLEX\003LEGSEL\002MCODE1E\001MCODE1"
262#endif
263
264static const struct audio_format yds_formats[] = {
265	{
266		.mode		= AUMODE_PLAY | AUMODE_RECORD,
267		.encoding	= AUDIO_ENCODING_SLINEAR_LE,
268		.validbits	= 16,
269		.precision	= 16,
270		.channels	= 2,
271		.channel_mask	= AUFMT_STEREO,
272		.frequency_type	= 8,
273		.frequency	=
274		    { 5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000 },
275	},
276};
277#define	YDS_NFORMATS	(sizeof(yds_formats) / sizeof(struct audio_format))
278
279#ifdef AUDIO_DEBUG
280static void
281yds_dump_play_slot(struct yds_softc *sc, int bank)
282{
283	int i, j;
284	uint32_t *p;
285	uint32_t num;
286	bus_addr_t pa;
287
288	for (i = 0; i < N_PLAY_SLOTS; i++) {
289		printf("pbankp[%d] = %p,", i*2, sc->pbankp[i*2]);
290		printf("pbankp[%d] = %p\n", i*2+1, sc->pbankp[i*2+1]);
291	}
292
293	pa = DMAADDR(&sc->sc_ctrldata) + sc->pbankoff;
294	p = sc->ptbl;
295	printf("ptbl + 0: %d\n", *p++);
296	for (i = 0; i < N_PLAY_SLOTS; i++) {
297		printf("ptbl + %d: %#x, should be %#" PRIxPADDR "\n",
298		       i+1, *p,
299		       pa + i * sizeof(struct play_slot_ctrl_bank) *
300				N_PLAY_SLOT_CTRL_BANK);
301		p++;
302	}
303
304	num = le32toh(*(uint32_t*)sc->ptbl);
305	printf("numofplay = %d\n", num);
306
307	for (i = 0; i < num; i++) {
308		p = (uint32_t *)sc->pbankp[i*2];
309
310		printf("  pbankp[%d], bank 0 : %p\n", i*2, p);
311		for (j = 0;
312		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(uint32_t);
313		     j++) {
314			printf("    0x%02x: 0x%08x\n",
315			       (unsigned)(j * sizeof(uint32_t)),
316			       (unsigned)*p++);
317		}
318
319		p = (uint32_t *)sc->pbankp[i*2 + 1];
320		printf("  pbankp[%d], bank 1 : %p\n", i*2 + 1, p);
321		for (j = 0;
322		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(uint32_t);
323		     j++) {
324			printf("    0x%02x: 0x%08x\n",
325			       (unsigned)(j * sizeof(uint32_t)),
326			       (unsigned)*p++);
327		}
328	}
329}
330#endif /* AUDIO_DEBUG */
331
332static u_int
333yds_get_dstype(int id)
334{
335	int i;
336
337	for (i = 0; yds_chip_capabliity_list[i].id; i++) {
338		if (PCI_PRODUCT(id) == yds_chip_capabliity_list[i].id)
339			return yds_chip_capabliity_list[i].flags;
340	}
341
342	return -1;
343}
344
345static int
346yds_download_mcode(struct yds_softc *sc)
347{
348	static struct {
349		const uint32_t *mcode;
350		size_t size;
351	} ctrls[] = {
352		{yds_ds1_ctrl_mcode, sizeof(yds_ds1_ctrl_mcode)},
353		{yds_ds1e_ctrl_mcode, sizeof(yds_ds1e_ctrl_mcode)},
354	};
355	u_int ctrl;
356	const uint32_t *p;
357	size_t size;
358	int dstype;
359
360	if (sc->sc_flags & YDS_CAP_MCODE_1)
361		dstype = YDS_DS_1;
362	else if (sc->sc_flags & YDS_CAP_MCODE_1E)
363		dstype = YDS_DS_1E;
364	else
365		return 1;	/* unknown */
366
367	if (yds_disable_dsp(sc))
368		return 1;
369
370	/* Software reset */
371	YWRITE4(sc, YDS_MODE, YDS_MODE_RESET);
372	YWRITE4(sc, YDS_MODE, 0);
373
374	YWRITE4(sc, YDS_MAPOF_REC, 0);
375	YWRITE4(sc, YDS_MAPOF_EFFECT, 0);
376	YWRITE4(sc, YDS_PLAY_CTRLBASE, 0);
377	YWRITE4(sc, YDS_REC_CTRLBASE, 0);
378	YWRITE4(sc, YDS_EFFECT_CTRLBASE, 0);
379	YWRITE4(sc, YDS_WORK_BASE, 0);
380
381	ctrl = YREAD2(sc, YDS_GLOBAL_CONTROL);
382	YWRITE2(sc, YDS_GLOBAL_CONTROL, ctrl & ~0x0007);
383
384	/* Download DSP microcode. */
385	p = yds_dsp_mcode;
386	size = sizeof(yds_dsp_mcode);
387	YWRITEREGION4(sc, YDS_DSP_INSTRAM, p, size);
388
389	/* Download CONTROL microcode. */
390	p = ctrls[dstype].mcode;
391	size = ctrls[dstype].size;
392	YWRITEREGION4(sc, YDS_CTRL_INSTRAM, p, size);
393
394	yds_enable_dsp(sc);
395	delay(10 * 1000);		/* nessesary on my 724F (??) */
396
397	return 0;
398}
399
400static int
401yds_allocate_slots(struct yds_softc *sc)
402{
403	size_t pcs, rcs, ecs, ws, memsize;
404	void *mp;
405	uint32_t da;		/* DMA address */
406	char *va;		/* KVA */
407	off_t cb;
408	int i;
409	struct yds_dma *p;
410
411	/* Alloc DSP Control Data */
412	pcs = YREAD4(sc, YDS_PLAY_CTRLSIZE) * sizeof(uint32_t);
413	rcs = YREAD4(sc, YDS_REC_CTRLSIZE) * sizeof(uint32_t);
414	ecs = YREAD4(sc, YDS_EFFECT_CTRLSIZE) * sizeof(uint32_t);
415	ws = WORK_SIZE;
416	YWRITE4(sc, YDS_WORK_SIZE, ws / sizeof(uint32_t));
417
418	DPRINTF(("play control size : %d\n", (unsigned int)pcs));
419	DPRINTF(("rec control size : %d\n", (unsigned int)rcs));
420	DPRINTF(("eff control size : %d\n", (unsigned int)ecs));
421#ifndef AUDIO_DEBUG
422	__USE(ecs);
423#endif
424	DPRINTF(("work size : %d\n", (unsigned int)ws));
425#ifdef DIAGNOSTIC
426	if (pcs != sizeof(struct play_slot_ctrl_bank)) {
427		aprint_error_dev(sc->sc_dev, "invalid play slot ctrldata %d != %d\n",
428		       (unsigned int)pcs,
429		       (unsigned int)sizeof(struct play_slot_ctrl_bank));
430	if (rcs != sizeof(struct rec_slot_ctrl_bank))
431		aprint_error_dev(sc->sc_dev, "invalid rec slot ctrldata %d != %d\n",
432		       (unsigned int)rcs,
433		       (unsigned int)sizeof(struct rec_slot_ctrl_bank));
434	}
435#endif
436
437	memsize = N_PLAY_SLOTS*N_PLAY_SLOT_CTRL_BANK*pcs +
438		  N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK*rcs + ws;
439	memsize += (N_PLAY_SLOTS+1)*sizeof(uint32_t);
440
441	p = &sc->sc_ctrldata;
442	if (KERNADDR(p) == NULL) {
443		i = yds_allocmem(sc, memsize, 16, p);
444		if (i) {
445			aprint_error_dev(sc->sc_dev, "couldn't alloc/map DSP DMA buffer, reason %d\n", i);
446			return 1;
447		}
448	}
449	mp = KERNADDR(p);
450	da = DMAADDR(p);
451
452	DPRINTF(("mp:%p, DMA addr:%#" PRIxPADDR "\n",
453		 mp, sc->sc_ctrldata.map->dm_segs[0].ds_addr));
454
455	memset(mp, 0, memsize);
456
457	/* Work space */
458	cb = 0;
459	va = (uint8_t *)mp;
460	YWRITE4(sc, YDS_WORK_BASE, da + cb);
461	cb += ws;
462
463	/* Play control data table */
464	sc->ptbl = (uint32_t *)(va + cb);
465	sc->ptbloff = cb;
466	YWRITE4(sc, YDS_PLAY_CTRLBASE, da + cb);
467	cb += (N_PLAY_SLOT_CTRL + 1) * sizeof(uint32_t);
468
469	/* Record slot control data */
470	sc->rbank = (struct rec_slot_ctrl_bank *)(va + cb);
471	YWRITE4(sc, YDS_REC_CTRLBASE, da + cb);
472	sc->rbankoff = cb;
473	cb += N_REC_SLOT_CTRL * N_REC_SLOT_CTRL_BANK * rcs;
474
475#if 0
476	/* Effect slot control data -- unused */
477	YWRITE4(sc, YDS_EFFECT_CTRLBASE, da + cb);
478	cb += N_EFFECT_SLOT_CTRL * N_EFFECT_SLOT_CTRL_BANK * ecs;
479#endif
480
481	/* Play slot control data */
482	sc->pbankoff = cb;
483	for (i=0; i < N_PLAY_SLOT_CTRL; i++) {
484		sc->pbankp[i*2] = (struct play_slot_ctrl_bank *)(va + cb);
485		*(sc->ptbl + i+1) = htole32(da + cb);
486		cb += pcs;
487
488		sc->pbankp[i*2+1] = (struct play_slot_ctrl_bank *)(va + cb);
489		cb += pcs;
490	}
491	/* Sync play control data table */
492	bus_dmamap_sync(sc->sc_dmatag, p->map,
493			sc->ptbloff, (N_PLAY_SLOT_CTRL+1) * sizeof(uint32_t),
494			BUS_DMASYNC_PREWRITE);
495
496	return 0;
497}
498
499static void
500yds_enable_dsp(struct yds_softc *sc)
501{
502
503	YWRITE4(sc, YDS_CONFIG, YDS_DSP_SETUP);
504}
505
506static int
507yds_disable_dsp(struct yds_softc *sc)
508{
509	int to;
510	uint32_t data;
511
512	data = YREAD4(sc, YDS_CONFIG);
513	if (data)
514		YWRITE4(sc, YDS_CONFIG, YDS_DSP_DISABLE);
515
516	for (to = 0; to < YDS_WORK_TIMEOUT; to++) {
517		if ((YREAD4(sc, YDS_STATUS) & YDS_STAT_WORK) == 0)
518			return 0;
519		delay(1);
520	}
521
522	return 1;
523}
524
525static int
526yds_match(device_t parent, cfdata_t match, void *aux)
527{
528	struct pci_attach_args *pa;
529
530	pa = (struct pci_attach_args *)aux;
531	switch (PCI_VENDOR(pa->pa_id)) {
532	case PCI_VENDOR_YAMAHA:
533		switch (PCI_PRODUCT(pa->pa_id)) {
534		case PCI_PRODUCT_YAMAHA_YMF724:
535		case PCI_PRODUCT_YAMAHA_YMF740:
536		case PCI_PRODUCT_YAMAHA_YMF740C:
537		case PCI_PRODUCT_YAMAHA_YMF724F:
538		case PCI_PRODUCT_YAMAHA_YMF744B:
539		case PCI_PRODUCT_YAMAHA_YMF754:
540			return 1;
541		}
542		break;
543	}
544
545	return 0;
546}
547
548/*
549 * This routine is called after all the ISA devices are configured,
550 * to avoid conflict.
551 */
552static void
553yds_configure_legacy(device_t self)
554#define FLEXIBLE	(sc->sc_flags & YDS_CAP_LEGACY_FLEXIBLE)
555#define SELECTABLE	(sc->sc_flags & YDS_CAP_LEGACY_SELECTABLE)
556{
557	static const bus_addr_t opl_addrs[] = {0x388, 0x398, 0x3A0, 0x3A8};
558	static const bus_addr_t mpu_addrs[] = {0x330, 0x300, 0x332, 0x334};
559	struct yds_softc *sc;
560	pcireg_t reg;
561	device_t dev;
562	int i;
563
564	sc = device_private(self);
565	if (!FLEXIBLE && !SELECTABLE)
566		return;
567
568	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY);
569	reg &= ~0x8133c03f;	/* these bits are out of interest */
570	reg |= ((YDS_PCI_EX_LEGACY_IMOD) |
571		(YDS_PCI_LEGACY_FMEN |
572		 YDS_PCI_LEGACY_MEN /*| YDS_PCI_LEGACY_MIEN*/));
573	reg |= YDS_PCI_EX_LEGACY_SMOD_DISABLE;
574	if (FLEXIBLE) {
575		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
576		delay(100*1000);
577	}
578
579	/* Look for OPL */
580	dev = 0;
581	for (i = 0; i < sizeof(opl_addrs) / sizeof(bus_addr_t); i++) {
582		if (SELECTABLE) {
583			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
584				       YDS_PCI_LEGACY, reg | (i << (0+16)));
585			delay(100*1000);	/* wait 100ms */
586		} else
587			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
588				       YDS_PCI_FM_BA, opl_addrs[i]);
589		if (bus_space_map(sc->sc_opl_iot,
590				  opl_addrs[i], 4, 0, &sc->sc_opl_ioh) == 0) {
591			struct audio_attach_args aa;
592
593			aa.type = AUDIODEV_TYPE_OPL;
594			aa.hwif = aa.hdl = NULL;
595			dev = config_found(self, &aa, audioprint,
596			    CFARGS(.iattr = "yds"));
597			if (dev == 0)
598				bus_space_unmap(sc->sc_opl_iot,
599						sc->sc_opl_ioh, 4);
600			else {
601				if (SELECTABLE)
602					reg |= (i << (0+16));
603				break;
604			}
605		}
606	}
607	if (dev == 0) {
608		reg &= ~YDS_PCI_LEGACY_FMEN;
609		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
610			       YDS_PCI_LEGACY, reg);
611	} else {
612		/* Max. volume */
613		YWRITE4(sc, YDS_LEGACY_OUT_VOLUME, 0x3fff3fff);
614		YWRITE4(sc, YDS_LEGACY_REC_VOLUME, 0x3fff3fff);
615	}
616
617	/* Look for MPU */
618	dev = NULL;
619	for (i = 0; i < sizeof(mpu_addrs) / sizeof(bus_addr_t); i++) {
620		if (SELECTABLE)
621			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
622				       YDS_PCI_LEGACY, reg | (i << (4+16)));
623		else
624			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
625				       YDS_PCI_MPU_BA, mpu_addrs[i]);
626		if (bus_space_map(sc->sc_mpu_iot,
627				  mpu_addrs[i], 2, 0, &sc->sc_mpu_ioh) == 0) {
628			struct audio_attach_args aa;
629
630			aa.type = AUDIODEV_TYPE_MPU;
631			aa.hwif = aa.hdl = NULL;
632			dev = config_found(self, &aa, audioprint,
633			    CFARGS(.iattr = "yds"));
634			if (dev == 0)
635				bus_space_unmap(sc->sc_mpu_iot,
636						sc->sc_mpu_ioh, 2);
637			else {
638				if (SELECTABLE)
639					reg |= (i << (4+16));
640				break;
641			}
642		}
643	}
644	if (dev == 0) {
645		reg &= ~(YDS_PCI_LEGACY_MEN | YDS_PCI_LEGACY_MIEN);
646		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
647	}
648	sc->sc_mpu = dev;
649}
650#undef FLEXIBLE
651#undef SELECTABLE
652
653static int
654yds_init(struct yds_softc *sc)
655{
656	uint32_t reg;
657
658	DPRINTF(("yds_init()\n"));
659
660	/* Download microcode */
661	if (yds_download_mcode(sc)) {
662		aprint_error_dev(sc->sc_dev, "download microcode failed\n");
663		return 1;
664	}
665
666	/* Allocate DMA buffers */
667	if (yds_allocate_slots(sc)) {
668		aprint_error_dev(sc->sc_dev, "could not allocate slots\n");
669		return 1;
670	}
671
672	/* Warm reset */
673	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
674	pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
675		reg | YDS_DSCTRL_WRST);
676	delay(50000);
677
678	return 0;
679}
680
681static bool
682yds_suspend(device_t dv, const pmf_qual_t *qual)
683{
684	struct yds_softc *sc = device_private(dv);
685	pci_chipset_tag_t pc = sc->sc_pc;
686	pcitag_t tag = sc->sc_pcitag;
687
688	mutex_enter(&sc->sc_lock);
689	mutex_spin_enter(&sc->sc_intr_lock);
690	sc->sc_enabled = 0;
691	sc->sc_dsctrl = pci_conf_read(pc, tag, YDS_PCI_DSCTRL);
692	sc->sc_legacy = pci_conf_read(pc, tag, YDS_PCI_LEGACY);
693	sc->sc_ba[0] = pci_conf_read(pc, tag, YDS_PCI_FM_BA);
694	sc->sc_ba[1] = pci_conf_read(pc, tag, YDS_PCI_MPU_BA);
695	mutex_spin_exit(&sc->sc_intr_lock);
696	mutex_exit(&sc->sc_lock);
697
698	return true;
699}
700
701static bool
702yds_resume(device_t dv, const pmf_qual_t *qual)
703{
704	struct yds_softc *sc = device_private(dv);
705	pci_chipset_tag_t pc = sc->sc_pc;
706	pcitag_t tag = sc->sc_pcitag;
707	pcireg_t reg;
708
709	/* Disable legacy mode */
710	mutex_enter(&sc->sc_lock);
711	mutex_spin_enter(&sc->sc_intr_lock);
712	reg = pci_conf_read(pc, tag, YDS_PCI_LEGACY);
713	pci_conf_write(pc, tag, YDS_PCI_LEGACY, reg & YDS_PCI_LEGACY_LAD);
714
715	/* Enable the device. */
716	reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
717	reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
718		PCI_COMMAND_MASTER_ENABLE);
719	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, reg);
720	reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
721	mutex_spin_exit(&sc->sc_intr_lock);
722	if (yds_init(sc)) {
723		aprint_error_dev(dv, "reinitialize failed\n");
724		mutex_exit(&sc->sc_lock);
725		return false;
726	}
727
728	pci_conf_write(pc, tag, YDS_PCI_DSCTRL, sc->sc_dsctrl);
729	sc->sc_enabled = 1;
730	sc->sc_codec[0].codec_if->vtbl->restore_ports(sc->sc_codec[0].codec_if);
731	mutex_exit(&sc->sc_lock);
732
733	return true;
734}
735
736static void
737yds_attach(device_t parent, device_t self, void *aux)
738{
739	struct yds_softc *sc;
740	struct pci_attach_args *pa;
741	pci_chipset_tag_t pc;
742	char const *intrstr;
743	pci_intr_handle_t ih;
744	pcireg_t reg;
745	struct yds_codec_softc *codec;
746	int i, r, to;
747	int revision;
748	int ac97_id2;
749	char intrbuf[PCI_INTRSTR_LEN];
750
751	sc = device_private(self);
752	sc->sc_dev = self;
753	pa = (struct pci_attach_args *)aux;
754	pc = pa->pa_pc;
755	revision = PCI_REVISION(pa->pa_class);
756
757	pci_aprint_devinfo(pa, NULL);
758
759	/* Map register to memory */
760	if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
761			   &sc->memt, &sc->memh, NULL, NULL)) {
762		aprint_error_dev(self, "can't map memory space\n");
763		return;
764	}
765
766	/* Map and establish the interrupt. */
767	if (pci_intr_map(pa, &ih)) {
768		aprint_error_dev(self, "couldn't map interrupt\n");
769		return;
770	}
771
772	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
773	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
774
775	intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
776	sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, yds_intr, sc,
777	    device_xname(self));
778	if (sc->sc_ih == NULL) {
779		aprint_error_dev(self, "couldn't establish interrupt");
780		if (intrstr != NULL)
781			aprint_error(" at %s", intrstr);
782		aprint_error("\n");
783		mutex_destroy(&sc->sc_lock);
784		mutex_destroy(&sc->sc_intr_lock);
785		return;
786	}
787	aprint_normal_dev(self, "interrupting at %s\n", intrstr);
788
789	sc->sc_enabled = 0;
790	sc->sc_dmatag = pa->pa_dmat;
791	sc->sc_pc = pc;
792	sc->sc_pcitag = pa->pa_tag;
793	sc->sc_id = pa->pa_id;
794	sc->sc_revision = revision;
795	sc->sc_flags = yds_get_dstype(sc->sc_id);
796#ifdef AUDIO_DEBUG
797	if (ydsdebug) {
798		char bits[80];
799
800		snprintb(bits, sizeof(bits), YDS_CAP_BITS, sc->sc_flags);
801		printf("%s: chip has %s\n", device_xname(self), bits);
802	}
803#endif
804
805	/* Disable legacy mode */
806	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_LEGACY);
807	pci_conf_write(pc, pa->pa_tag, YDS_PCI_LEGACY,
808		       reg & YDS_PCI_LEGACY_LAD);
809
810	/* Enable the device. */
811	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
812	reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
813		PCI_COMMAND_MASTER_ENABLE);
814	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
815	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
816
817	/* Mute all volumes */
818	for (i = 0x80; i < 0xc0; i += 2)
819		YWRITE2(sc, i, 0);
820
821	/* Initialize the device */
822	if (yds_init(sc)) {
823		aprint_error_dev(self, "initialize failed\n");
824		mutex_destroy(&sc->sc_lock);
825		mutex_destroy(&sc->sc_intr_lock);
826		return;
827	}
828
829	/*
830	 * Detect primary/secondary AC97
831	 *	YMF754 Hardware Specification Rev 1.01 page 24
832	 */
833	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
834	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
835	delay(400000);		/* Needed for 740C. */
836
837	/* Primary */
838	for (to = 0; to < AC97_TIMEOUT; to++) {
839		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
840			break;
841		delay(1);
842	}
843	if (to == AC97_TIMEOUT) {
844		aprint_error_dev(self, "no AC97 available\n");
845		mutex_destroy(&sc->sc_lock);
846		mutex_destroy(&sc->sc_intr_lock);
847		return;
848	}
849
850	/* Secondary */
851	/* Secondary AC97 is used for 4ch audio. Currently unused. */
852	ac97_id2 = -1;
853	if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
854		goto detected;
855#if 0				/* reset secondary... */
856	YWRITE2(sc, YDS_GPIO_OCTRL,
857		YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
858	YWRITE2(sc, YDS_GPIO_FUNCE,
859		(YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
860#endif
861	for (to = 0; to < AC97_TIMEOUT; to++) {
862		if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
863			break;
864		delay(1);
865	}
866	if (to < AC97_TIMEOUT) {
867		/* detect id */
868		for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
869			YWRITE2(sc, AC97_CMD_ADDR,
870				AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
871
872			for (to = 0; to < AC97_TIMEOUT; to++) {
873				if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
874				    == 0)
875					goto detected;
876				delay(1);
877			}
878		}
879		if (ac97_id2 == 4)
880			ac97_id2 = -1;
881detected:
882		;
883	}
884
885	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_CRST);
886	delay (20);
887	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
888	delay (400000);
889	for (to = 0; to < AC97_TIMEOUT; to++) {
890		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
891			break;
892		delay(1);
893	}
894
895	/*
896	 * Attach ac97 codec
897	 */
898	for (i = 0; i < 2; i++) {
899		static struct {
900			int data;
901			int addr;
902		} statregs[] = {
903			{AC97_STAT_DATA1, AC97_STAT_ADDR1},
904			{AC97_STAT_DATA2, AC97_STAT_ADDR2},
905		};
906
907		if (i == 1 && ac97_id2 == -1)
908			break;		/* secondary ac97 not available */
909
910		codec = &sc->sc_codec[i];
911		codec->sc = sc;
912		codec->id = i == 1 ? ac97_id2 : 0;
913		codec->status_data = statregs[i].data;
914		codec->status_addr = statregs[i].addr;
915		codec->host_if.arg = codec;
916		codec->host_if.attach = yds_attach_codec;
917		codec->host_if.read = yds_read_codec;
918		codec->host_if.write = yds_write_codec;
919		codec->host_if.reset = yds_reset_codec;
920
921		r = ac97_attach(&codec->host_if, self, &sc->sc_lock);
922		if (r != 0) {
923			aprint_error_dev(self,
924			    "can't attach codec (error 0x%X)\n", r);
925			mutex_destroy(&sc->sc_lock);
926			mutex_destroy(&sc->sc_intr_lock);
927			return;
928		}
929	}
930
931	audio_attach_mi(&yds_hw_if, sc, self);
932
933	sc->sc_legacy_iot = pa->pa_iot;
934	config_defer(self, yds_configure_legacy);
935
936	if (!pmf_device_register(self, yds_suspend, yds_resume))
937		aprint_error_dev(self, "couldn't establish power handler\n");
938
939	mutex_spin_enter(&sc->sc_intr_lock);
940	sc->sc_enabled = 1;
941	mutex_spin_exit(&sc->sc_intr_lock);
942}
943
944static int
945yds_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
946{
947	struct yds_codec_softc *sc;
948
949	sc = sc_;
950	sc->codec_if = codec_if;
951	return 0;
952}
953
954static int
955yds_ready_codec(struct yds_codec_softc *sc)
956{
957	int to;
958
959	for (to = 0; to < AC97_TIMEOUT; to++) {
960		if ((YREAD2(sc->sc, sc->status_addr) & AC97_BUSY) == 0)
961			return 0;
962		delay(1);
963	}
964
965	return 1;
966}
967
968static int
969yds_read_codec(void *sc_, uint8_t reg, uint16_t *data)
970{
971	struct yds_codec_softc *sc;
972
973	sc = sc_;
974	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
975
976	if (yds_ready_codec(sc)) {
977		aprint_error_dev(sc->sc->sc_dev, "yds_read_codec timeout\n");
978		return EIO;
979	}
980
981	if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744B &&
982	    sc->sc->sc_revision < 2) {
983		int i;
984		for (i=0; i<600; i++)
985			(void)YREAD2(sc->sc, sc->status_data);
986	}
987
988	*data = YREAD2(sc->sc, sc->status_data);
989
990	return 0;
991}
992
993static int
994yds_write_codec(void *sc_, uint8_t reg, uint16_t data)
995{
996	struct yds_codec_softc *sc;
997
998	sc = sc_;
999	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
1000	YWRITE2(sc->sc, AC97_CMD_DATA, data);
1001
1002	if (yds_ready_codec(sc)) {
1003		aprint_error_dev(sc->sc->sc_dev, "yds_write_codec timeout\n");
1004		return EIO;
1005	}
1006
1007	return 0;
1008}
1009
1010/*
1011 * XXX: Must handle the secondary differently!!
1012 */
1013static int
1014yds_reset_codec(void *sc_)
1015{
1016	struct yds_codec_softc *codec;
1017	struct yds_softc *sc;
1018	pcireg_t reg;
1019
1020	codec = sc_;
1021	sc = codec->sc;
1022	/* reset AC97 codec */
1023	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
1024	if (reg & 0x03) {
1025		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1026			       YDS_PCI_DSCTRL, reg & ~0x03);
1027		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1028			       YDS_PCI_DSCTRL, reg | 0x03);
1029		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1030			       YDS_PCI_DSCTRL, reg & ~0x03);
1031		delay(50000);
1032	}
1033
1034	yds_ready_codec(sc_);
1035	return 0;
1036}
1037
1038static int
1039yds_intr(void *p)
1040{
1041	struct yds_softc *sc = p;
1042#if NMPU > 0
1043	struct mpu_softc *sc_mpu = device_private(sc->sc_mpu);
1044#endif
1045	u_int status;
1046
1047	mutex_spin_enter(&sc->sc_intr_lock);
1048	if (!sc->sc_enabled) {
1049		mutex_spin_exit(&sc->sc_intr_lock);
1050		return 0;
1051	}
1052
1053	status = YREAD4(sc, YDS_STATUS);
1054	DPRINTFN(1, ("yds_intr: status=%08x\n", status));
1055	if ((status & (YDS_STAT_INT|YDS_STAT_TINT)) == 0) {
1056#if NMPU > 0
1057		if (sc_mpu)
1058			return mpu_intr(sc_mpu);
1059#endif
1060		mutex_spin_exit(&sc->sc_intr_lock);
1061		return 0;
1062	}
1063
1064	if (status & YDS_STAT_TINT) {
1065		YWRITE4(sc, YDS_STATUS, YDS_STAT_TINT);
1066		printf ("yds_intr: timeout!\n");
1067	}
1068
1069	/*
1070	 * XXX
1071	 * An interrupt in YMF754 occurs when next hardware frame is
1072	 * requested, not when current hardware frame processing is
1073	 * completed.  According to the datasheet, only access to the
1074	 * inactive bank is permitted, but in fact, fields in inactive
1075	 * bank that the chip should write to may or may not be filled
1076	 * at that time.  On the other hand, both the CPU and the device
1077	 * must guarantee that the fields in active bank are determined
1078	 * at the beginning of the interrupt.
1079	 * Therefore, we read active bank.
1080	 */
1081
1082	if (status & YDS_STAT_INT) {
1083		int nbank;
1084		u_int pdma = 0;
1085		u_int rdma = 0;
1086
1087		/* nbank is bank number that YDS is processing now. */
1088		nbank = YREAD4(sc, YDS_CONTROL_SELECT) & 1;
1089
1090		/* Clear interrupt flag */
1091		YWRITE4(sc, YDS_STATUS, YDS_STAT_INT);
1092
1093		/* Read current data offset before ACTV2 */
1094		if (sc->sc_play.intr) {
1095			/* Sync play slot control data */
1096			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1097					sc->pbankoff,
1098					sizeof(struct play_slot_ctrl_bank)*
1099					    le32toh(*sc->ptbl)*
1100					    N_PLAY_SLOT_CTRL_BANK,
1101					BUS_DMASYNC_POSTWRITE|
1102					BUS_DMASYNC_POSTREAD);
1103			/* start offset of current processing bank */
1104			pdma = le32toh(sc->pbankp[nbank]->pgstart) *
1105			    sc->sc_play.factor;
1106		}
1107
1108		if (sc->sc_rec.intr) {
1109			/* Sync rec slot control data */
1110			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1111					sc->rbankoff,
1112					sizeof(struct rec_slot_ctrl_bank)*
1113					    N_REC_SLOT_CTRL*
1114					    N_REC_SLOT_CTRL_BANK,
1115					BUS_DMASYNC_POSTWRITE|
1116					BUS_DMASYNC_POSTREAD);
1117			/* start offset of current processing bank */
1118			rdma = le32toh(
1119			    sc->rbank[YDS_INPUT_SLOT * 2 + nbank].pgstartadr);
1120		}
1121
1122		/* Buffer for the next frame is always ready. */
1123		YWRITE4(sc, YDS_MODE, YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV2);
1124
1125		if (sc->sc_play.intr) {
1126			if (pdma < sc->sc_play.offset)
1127				pdma += sc->sc_play.length;
1128			if (pdma >= sc->sc_play.offset + sc->sc_play.blksize) {
1129				/* We can fill the next block */
1130				/* Sync ring buffer for previous write */
1131				bus_dmamap_sync(sc->sc_dmatag,
1132						sc->sc_play.dma->map,
1133						0, sc->sc_play.length,
1134						BUS_DMASYNC_POSTWRITE);
1135				sc->sc_play.intr(sc->sc_play.intr_arg);
1136				sc->sc_play.offset += sc->sc_play.blksize;
1137				if (sc->sc_play.offset >= sc->sc_play.length) {
1138					sc->sc_play.offset -= sc->sc_play.length;
1139#ifdef DIAGNOSTIC
1140					if (sc->sc_play.offset != 0)
1141						printf ("Audio ringbuffer botch\n");
1142#endif
1143				}
1144				/* Sync ring buffer for next write */
1145				bus_dmamap_sync(sc->sc_dmatag,
1146						sc->sc_play.dma->map,
1147						0, sc->sc_play.length,
1148						BUS_DMASYNC_PREWRITE);
1149			}
1150		}
1151		if (sc->sc_rec.intr) {
1152			if (rdma < sc->sc_rec.offset)
1153				rdma += sc->sc_rec.length;
1154			if (rdma >= sc->sc_rec.offset + sc->sc_rec.blksize) {
1155				/* We can drain the current block */
1156				/* Sync ring buffer first */
1157				bus_dmamap_sync(sc->sc_dmatag,
1158						sc->sc_rec.dma->map,
1159						0, sc->sc_rec.length,
1160						BUS_DMASYNC_POSTREAD);
1161				sc->sc_rec.intr(sc->sc_rec.intr_arg);
1162				sc->sc_rec.offset += sc->sc_rec.blksize;
1163				if (sc->sc_rec.offset >= sc->sc_rec.length) {
1164					sc->sc_rec.offset -= sc->sc_rec.length;
1165#ifdef DIAGNOSTIC
1166					if (sc->sc_rec.offset != 0)
1167						printf ("Audio ringbuffer botch\n");
1168#endif
1169				}
1170				/* Sync ring buffer for next read */
1171				bus_dmamap_sync(sc->sc_dmatag,
1172						sc->sc_rec.dma->map,
1173						0, sc->sc_rec.length,
1174						BUS_DMASYNC_PREREAD);
1175			}
1176		}
1177	}
1178
1179	mutex_spin_exit(&sc->sc_intr_lock);
1180	return 1;
1181}
1182
1183static int
1184yds_allocmem(struct yds_softc *sc, size_t size, size_t align, struct yds_dma *p)
1185{
1186	int error;
1187
1188	p->size = size;
1189	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
1190				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
1191				 &p->nsegs, BUS_DMA_WAITOK);
1192	if (error)
1193		return error;
1194
1195	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
1196			       &p->addr, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
1197	if (error)
1198		goto free;
1199
1200	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
1201				  0, BUS_DMA_WAITOK, &p->map);
1202	if (error)
1203		goto unmap;
1204
1205	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
1206				BUS_DMA_WAITOK);
1207	if (error)
1208		goto destroy;
1209	return 0;
1210
1211destroy:
1212	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1213unmap:
1214	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1215free:
1216	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1217	return error;
1218}
1219
1220static int
1221yds_freemem(struct yds_softc *sc, struct yds_dma *p)
1222{
1223
1224	bus_dmamap_unload(sc->sc_dmatag, p->map);
1225	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1226	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1227	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1228	return 0;
1229}
1230
1231static int
1232yds_open(void *addr, int flags)
1233{
1234	struct yds_softc *sc;
1235	uint32_t mode;
1236
1237	sc = addr;
1238	/* Select bank 0. */
1239	YWRITE4(sc, YDS_CONTROL_SELECT, 0);
1240
1241	/* Start the DSP operation. */
1242	mode = YREAD4(sc, YDS_MODE);
1243	mode |= YDS_MODE_ACTV;
1244	mode &= ~YDS_MODE_ACTV2;
1245	YWRITE4(sc, YDS_MODE, mode);
1246
1247	return 0;
1248}
1249
1250static void
1251yds_close(void *addr)
1252{
1253
1254	yds_halt(addr);
1255}
1256
1257static int
1258yds_query_format(void *addr, audio_format_query_t *afp)
1259{
1260
1261	return audio_query_format(yds_formats, YDS_NFORMATS, afp);
1262}
1263
1264static int
1265yds_set_format(void *addr, int setmode,
1266	const audio_params_t *play, const audio_params_t *rec,
1267	audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
1268{
1269	return 0;
1270}
1271
1272static int
1273yds_round_blocksize(void *addr, int blk, int mode,
1274    const audio_params_t *param)
1275{
1276
1277	/*
1278	 * Block size must be bigger than a frame.
1279	 * That is 1024bytes at most, i.e. for 48000Hz, 16bit, 2ch.
1280	 */
1281	if (blk < 1024)
1282		blk = 1024;
1283
1284	return blk;
1285}
1286
1287static uint32_t
1288yds_get_lpfq(u_int sample_rate)
1289{
1290	int i;
1291	static struct lpfqt {
1292		u_int rate;
1293		uint32_t lpfq;
1294	} lpfqt[] = {
1295		{8000,  0x32020000},
1296		{11025, 0x31770000},
1297		{16000, 0x31390000},
1298		{22050, 0x31c90000},
1299		{32000, 0x33d00000},
1300		{48000, 0x40000000},
1301		{0, 0}
1302	};
1303
1304	if (sample_rate == 44100)		/* for P44 slot? */
1305		return 0x370A0000;
1306
1307	for (i = 0; lpfqt[i].rate != 0; i++)
1308		if (sample_rate <= lpfqt[i].rate)
1309			break;
1310
1311	return lpfqt[i].lpfq;
1312}
1313
1314static uint32_t
1315yds_get_lpfk(u_int sample_rate)
1316{
1317	int i;
1318	static struct lpfkt {
1319		u_int rate;
1320		uint32_t lpfk;
1321	} lpfkt[] = {
1322		{8000,  0x18b20000},
1323		{11025, 0x20930000},
1324		{16000, 0x2b9a0000},
1325		{22050, 0x35a10000},
1326		{32000, 0x3eaa0000},
1327		{48000, 0x40000000},
1328		{0, 0}
1329	};
1330
1331	if (sample_rate == 44100)		/* for P44 slot? */
1332		return 0x46460000;
1333
1334	for (i = 0; lpfkt[i].rate != 0; i++)
1335		if (sample_rate <= lpfkt[i].rate)
1336			break;
1337
1338	return lpfkt[i].lpfk;
1339}
1340
1341static int
1342yds_trigger_output(void *addr, void *start, void *end, int blksize,
1343		   void (*intr)(void *), void *arg, const audio_params_t *param)
1344#define P44		(sc->sc_flags & YDS_CAP_HAS_P44)
1345{
1346	struct yds_softc *sc;
1347	struct yds_dma *p;
1348	struct play_slot_ctrl_bank *psb;
1349	const u_int gain = 0x40000000;
1350	bus_addr_t s;
1351	size_t l;
1352	int i;
1353	int p44, channels;
1354	uint32_t format;
1355
1356	sc = addr;
1357#ifdef DIAGNOSTIC
1358	if (sc->sc_play.intr)
1359		panic("yds_trigger_output: already running");
1360#endif
1361
1362	sc->sc_play.intr = intr;
1363	sc->sc_play.intr_arg = arg;
1364	sc->sc_play.offset = 0;
1365	sc->sc_play.blksize = blksize;
1366
1367	DPRINTFN(1, ("yds_trigger_output: sc=%p start=%p end=%p "
1368	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1369
1370	p = yds_find_dma(sc, start);
1371	if (!p) {
1372		printf("yds_trigger_output: bad addr %p\n", start);
1373		return EINVAL;
1374	}
1375	sc->sc_play.dma = p;
1376
1377#ifdef YDS_USE_P44
1378	/* The document says the P44 SRC supports only stereo, 16bit PCM. */
1379	if (P44)
1380		p44 = ((param->sample_rate == 44100) &&
1381		       (param->channels == 2) &&
1382		       (param->precision == 16));
1383	else
1384#endif
1385		p44 = 0;
1386	channels = p44 ? 1 : param->channels;
1387
1388	s = DMAADDR(p);
1389	l = ((char *)end - (char *)start);
1390	sc->sc_play.length = l;
1391
1392	*sc->ptbl = htole32(channels);	/* Num of play */
1393
1394	sc->sc_play.factor = 1;
1395	if (param->channels == 2)
1396		sc->sc_play.factor *= 2;
1397	if (param->precision != 8)
1398		sc->sc_play.factor *= 2;
1399	l /= sc->sc_play.factor;
1400
1401	format = ((channels == 2 ? PSLT_FORMAT_STEREO : 0) |
1402		  (param->precision == 8 ? PSLT_FORMAT_8BIT : 0) |
1403		  (p44 ? PSLT_FORMAT_SRC441 : 0));
1404
1405	psb = sc->pbankp[0];
1406	memset(psb, 0, sizeof(*psb));
1407	psb->format = htole32(format);
1408	psb->pgbase = htole32(s);
1409	psb->pgloopend = htole32(l);
1410	if (!p44) {
1411		psb->pgdeltaend = htole32((param->sample_rate * 65536 / 48000) << 12);
1412		psb->lpfkend = htole32(yds_get_lpfk(param->sample_rate));
1413		psb->eggainend = htole32(gain);
1414		psb->lpfq = htole32(yds_get_lpfq(param->sample_rate));
1415		psb->pgdelta = htole32(psb->pgdeltaend);
1416		psb->lpfk = htole32(yds_get_lpfk(param->sample_rate));
1417		psb->eggain = htole32(gain);
1418	}
1419
1420	for (i = 0; i < channels; i++) {
1421		/* i == 0: left or mono, i == 1: right */
1422		psb = sc->pbankp[i*2];
1423		if (i)
1424			/* copy from left */
1425			*psb = *(sc->pbankp[0]);
1426		if (channels == 2) {
1427			/* stereo */
1428			if (i == 0) {
1429				psb->lchgain = psb->lchgainend = htole32(gain);
1430			} else {
1431				psb->lchgain = psb->lchgainend = 0;
1432				psb->rchgain = psb->rchgainend = htole32(gain);
1433				psb->format |= htole32(PSLT_FORMAT_RCH);
1434			}
1435		} else if (!p44) {
1436			/* mono */
1437			psb->lchgain = psb->rchgain = htole32(gain);
1438			psb->lchgainend = psb->rchgainend = htole32(gain);
1439		}
1440		/* copy to the other bank */
1441		*(sc->pbankp[i*2+1]) = *psb;
1442	}
1443
1444	YDS_DUMP_PLAY_SLOT(5, sc, 0);
1445	YDS_DUMP_PLAY_SLOT(5, sc, 1);
1446
1447	if (p44)
1448		YWRITE4(sc, YDS_P44_OUT_VOLUME, 0x3fff3fff);
1449	else
1450		YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0x3fff3fff);
1451
1452	/* Now the play slot for the next frame is set up!! */
1453	/* Sync play slot control data for both directions */
1454	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1455			sc->pbankoff,
1456			sizeof(struct play_slot_ctrl_bank) *
1457			    channels * N_PLAY_SLOT_CTRL_BANK,
1458			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1459	/* Sync ring buffer */
1460	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1461			BUS_DMASYNC_PREWRITE);
1462	/* HERE WE GO!! */
1463	YWRITE4(sc, YDS_MODE,
1464		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1465
1466	return 0;
1467}
1468#undef P44
1469
1470static int
1471yds_trigger_input(void *addr, void *start, void *end, int blksize,
1472		  void (*intr)(void *), void *arg, const audio_params_t *param)
1473{
1474	struct yds_softc *sc;
1475	struct yds_dma *p;
1476	u_int srate, format;
1477	struct rec_slot_ctrl_bank *rsb;
1478	bus_addr_t s;
1479	size_t l;
1480
1481	sc = addr;
1482#ifdef DIAGNOSTIC
1483	if (sc->sc_rec.intr)
1484		panic("yds_trigger_input: already running");
1485#endif
1486	sc->sc_rec.intr = intr;
1487	sc->sc_rec.intr_arg = arg;
1488	sc->sc_rec.offset = 0;
1489	sc->sc_rec.blksize = blksize;
1490
1491	DPRINTFN(1, ("yds_trigger_input: "
1492	    "sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1493	    addr, start, end, blksize, intr, arg));
1494	DPRINTFN(1, (" parameters: rate=%u, precision=%u, channels=%u\n",
1495	    param->sample_rate, param->precision, param->channels));
1496
1497	p = yds_find_dma(sc, start);
1498	if (!p) {
1499		printf("yds_trigger_input: bad addr %p\n", start);
1500		return EINVAL;
1501	}
1502	sc->sc_rec.dma = p;
1503
1504	s = DMAADDR(p);
1505	l = ((char *)end - (char *)start);
1506	sc->sc_rec.length = l;
1507
1508	sc->sc_rec.factor = 1;
1509	if (param->channels == 2)
1510		sc->sc_rec.factor *= 2;
1511	if (param->precision != 8)
1512		sc->sc_rec.factor *= 2;
1513
1514	rsb = &sc->rbank[0];
1515	memset(rsb, 0, sizeof(*rsb));
1516	rsb->pgbase = htole32(s);
1517	rsb->pgloopendadr = htole32(l);
1518	/* Seems all 4 banks must be set up... */
1519	sc->rbank[1] = *rsb;
1520	sc->rbank[2] = *rsb;
1521	sc->rbank[3] = *rsb;
1522
1523	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0x3fff3fff);
1524	YWRITE4(sc, YDS_REC_IN_VOLUME, 0x3fff3fff);
1525	srate = 48000 * 4096 / param->sample_rate - 1;
1526	format = ((param->precision == 8 ? YDS_FORMAT_8BIT : 0) |
1527		  (param->channels == 2 ? YDS_FORMAT_STEREO : 0));
1528	DPRINTF(("srate=%d, format=%08x\n", srate, format));
1529#ifdef YDS_USE_REC_SLOT
1530	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0x3fff3fff);
1531	YWRITE4(sc, YDS_P44_REC_VOLUME, 0x3fff3fff);
1532	YWRITE4(sc, YDS_MAPOF_REC, YDS_RECSLOT_VALID);
1533	YWRITE4(sc, YDS_REC_SAMPLE_RATE, srate);
1534	YWRITE4(sc, YDS_REC_FORMAT, format);
1535#else
1536	YWRITE4(sc, YDS_MAPOF_REC, YDS_ADCSLOT_VALID);
1537	YWRITE4(sc, YDS_ADC_SAMPLE_RATE, srate);
1538	YWRITE4(sc, YDS_ADC_FORMAT, format);
1539#endif
1540	/* Now the rec slot for the next frame is set up!! */
1541	/* Sync record slot control data */
1542	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1543			sc->rbankoff,
1544			sizeof(struct rec_slot_ctrl_bank)*
1545			    N_REC_SLOT_CTRL*
1546			    N_REC_SLOT_CTRL_BANK,
1547			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1548	/* Sync ring buffer */
1549	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1550			BUS_DMASYNC_PREREAD);
1551	/* HERE WE GO!! */
1552	YWRITE4(sc, YDS_MODE,
1553		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1554
1555	return 0;
1556}
1557
1558static int
1559yds_halt(struct yds_softc *sc)
1560{
1561	uint32_t mode;
1562
1563	/* Stop the DSP operation. */
1564	mode = YREAD4(sc, YDS_MODE);
1565	YWRITE4(sc, YDS_MODE, mode & ~(YDS_MODE_ACTV|YDS_MODE_ACTV2));
1566
1567	/* Paranoia...  mute all */
1568	YWRITE4(sc, YDS_P44_OUT_VOLUME, 0);
1569	YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0);
1570	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0);
1571	YWRITE4(sc, YDS_REC_IN_VOLUME, 0);
1572	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0);
1573	YWRITE4(sc, YDS_P44_REC_VOLUME, 0);
1574
1575	return 0;
1576}
1577
1578static int
1579yds_halt_output(void *addr)
1580{
1581	struct yds_softc *sc;
1582
1583	DPRINTF(("yds: yds_halt_output\n"));
1584	sc = addr;
1585	if (sc->sc_play.intr) {
1586		sc->sc_play.intr = 0;
1587		/* Sync play slot control data */
1588		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1589				sc->pbankoff,
1590				sizeof(struct play_slot_ctrl_bank)*
1591				    (*sc->ptbl)*N_PLAY_SLOT_CTRL_BANK,
1592				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1593		/* Stop the play slot operation */
1594		sc->pbankp[0]->status =
1595		sc->pbankp[1]->status =
1596		sc->pbankp[2]->status =
1597		sc->pbankp[3]->status = 1;
1598		/* Sync ring buffer */
1599		bus_dmamap_sync(sc->sc_dmatag, sc->sc_play.dma->map,
1600				0, sc->sc_play.length, BUS_DMASYNC_POSTWRITE);
1601	}
1602
1603	return 0;
1604}
1605
1606static int
1607yds_halt_input(void *addr)
1608{
1609	struct yds_softc *sc;
1610
1611	DPRINTF(("yds: yds_halt_input\n"));
1612	sc = addr;
1613	if (sc->sc_rec.intr) {
1614		sc->sc_rec.intr = NULL;
1615		/* Stop the rec slot operation */
1616		YWRITE4(sc, YDS_MAPOF_REC, 0);
1617		/* Sync rec slot control data */
1618		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1619				sc->rbankoff,
1620				sizeof(struct rec_slot_ctrl_bank)*
1621				    N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK,
1622				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1623		/* Sync ring buffer */
1624		bus_dmamap_sync(sc->sc_dmatag, sc->sc_rec.dma->map,
1625				0, sc->sc_rec.length, BUS_DMASYNC_POSTREAD);
1626	}
1627
1628	return 0;
1629}
1630
1631static int
1632yds_getdev(void *addr, struct audio_device *retp)
1633{
1634
1635	*retp = yds_device;
1636	return 0;
1637}
1638
1639static int
1640yds_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1641{
1642	struct yds_softc *sc;
1643
1644	sc = addr;
1645	return sc->sc_codec[0].codec_if->vtbl->mixer_set_port(
1646	    sc->sc_codec[0].codec_if, cp);
1647}
1648
1649static int
1650yds_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1651{
1652	struct yds_softc *sc;
1653
1654	sc = addr;
1655	return sc->sc_codec[0].codec_if->vtbl->mixer_get_port(
1656	    sc->sc_codec[0].codec_if, cp);
1657}
1658
1659static int
1660yds_query_devinfo(void *addr, mixer_devinfo_t *dip)
1661{
1662	struct yds_softc *sc;
1663
1664	sc = addr;
1665	return sc->sc_codec[0].codec_if->vtbl->query_devinfo(
1666	    sc->sc_codec[0].codec_if, dip);
1667}
1668
1669static void *
1670yds_malloc(void *addr, int direction, size_t size)
1671{
1672	struct yds_softc *sc;
1673	struct yds_dma *p;
1674	int error;
1675
1676	p = kmem_alloc(sizeof(*p), KM_SLEEP);
1677	sc = addr;
1678	error = yds_allocmem(sc, size, 16, p);
1679	if (error) {
1680		kmem_free(p, sizeof(*p));
1681		return NULL;
1682	}
1683	p->next = sc->sc_dmas;
1684	sc->sc_dmas = p;
1685	return KERNADDR(p);
1686}
1687
1688static void
1689yds_free(void *addr, void *ptr, size_t size)
1690{
1691	struct yds_softc *sc;
1692	struct yds_dma **pp, *p;
1693
1694	sc = addr;
1695	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1696		if (KERNADDR(p) == ptr) {
1697			yds_freemem(sc, p);
1698			*pp = p->next;
1699			kmem_free(p, sizeof(*p));
1700			return;
1701		}
1702	}
1703}
1704
1705static struct yds_dma *
1706yds_find_dma(struct yds_softc *sc, void *addr)
1707{
1708	struct yds_dma *p;
1709
1710	for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
1711		continue;
1712
1713	return p;
1714}
1715
1716static size_t
1717yds_round_buffersize(void *addr, int direction, size_t size)
1718{
1719
1720	/*
1721	 * Buffer size should be at least twice as bigger as a frame.
1722	 */
1723	if (size < 1024 * 3)
1724		size = 1024 * 3;
1725	return size;
1726}
1727
1728static int
1729yds_get_props(void *addr)
1730{
1731
1732	return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE |
1733	    AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1734}
1735
1736static void
1737yds_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1738{
1739	struct yds_softc *sc;
1740
1741	sc = addr;
1742	*intr = &sc->sc_intr_lock;
1743	*thread = &sc->sc_lock;
1744}
1745