1/*	$NetBSD: gcscaudio.c,v 1.20 2024/02/07 04:20:28 msaitoh Exp $	*/
2
3/*-
4 * Copyright (c) 2008 SHIMIZU Ryo
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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: gcscaudio.c,v 1.20 2024/02/07 04:20:28 msaitoh Exp $");
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kmem.h>
35#include <sys/device.h>
36#include <sys/queue.h>
37
38#include <dev/pci/pcidevs.h>
39#include <dev/pci/pcivar.h>
40
41#include <sys/audioio.h>
42#include <dev/audio/audio_if.h>
43
44#include <dev/ic/ac97reg.h>
45#include <dev/ic/ac97var.h>
46
47#include <dev/pci/gcscaudioreg.h>
48
49
50#define	GCSCAUDIO_NPRDTABLE	256	/* including a JMP-PRD for loop */
51#define	GCSCAUDIO_PRD_SIZE_MAX	65532	/* limited by CS5536 Controller */
52#define	GCSCAUDIO_BUFSIZE_MAX	(GCSCAUDIO_PRD_SIZE_MAX * (GCSCAUDIO_NPRDTABLE - 1))
53
54struct gcscaudio_prd {
55	/* PRD table for play/rec */
56	struct gcscaudio_prdtables {
57#define	PRD_TABLE_FRONT		0
58#define	PRD_TABLE_SURR		1
59#define	PRD_TABLE_CENTER	2
60#define	PRD_TABLE_LFE		3
61#define	PRD_TABLE_REC		4
62#define	PRD_TABLE_MAX		5
63		struct acc_prd prdtbl[PRD_TABLE_MAX][GCSCAUDIO_NPRDTABLE];
64	} *p_prdtables;
65	bus_dmamap_t p_prdmap;
66	bus_dma_segment_t p_prdsegs[1];
67	int p_prdnseg;
68};
69
70struct gcscaudio_dma {
71	LIST_ENTRY(gcscaudio_dma) list;
72	bus_dmamap_t map;
73	void *addr;
74	size_t size;
75	bus_dma_segment_t segs[1];
76	int nseg;
77};
78
79struct gcscaudio_softc_ch {
80	void (*ch_intr)(void *);
81	void *ch_intr_arg;
82	struct audio_params ch_params;
83};
84
85struct gcscaudio_softc {
86	device_t sc_dev;
87	kmutex_t sc_lock;
88	kmutex_t sc_intr_lock;
89	pci_chipset_tag_t sc_pc;
90	pcitag_t sc_pt;
91	void *sc_ih;
92	bus_space_tag_t sc_iot;
93	bus_space_handle_t sc_ioh;
94	bus_size_t sc_ios;
95	bus_dma_tag_t sc_dmat;
96
97	/* allocated DMA buffer list */
98	LIST_HEAD(, gcscaudio_dma) sc_dmalist;
99
100#define GCSCAUDIO_MAXFORMATS	4
101	struct audio_format sc_formats[GCSCAUDIO_MAXFORMATS];
102	int sc_nformats;
103
104	/* AC97 codec */
105	struct ac97_host_if host_if;
106	struct ac97_codec_if *codec_if;
107
108	/* input, output channels */
109	struct gcscaudio_softc_ch sc_play;
110	struct gcscaudio_softc_ch sc_rec;
111	struct gcscaudio_prd sc_prd;
112
113	/* multi channel splitter work; {4,6}ch stream to {2,4} DMA buffers */
114	void *sc_mch_split_buf;
115	void *sc_mch_split_start;
116	int sc_mch_split_off;
117	int sc_mch_split_size;
118	int sc_mch_split_blksize;
119	void (*sc_mch_splitter)(void *, void *, int, int);
120	bool sc_spdif;
121};
122
123/* for cfattach */
124static int gcscaudio_match(device_t, cfdata_t, void *);
125static void gcscaudio_attach(device_t, device_t, void *);
126
127/* for audio_hw_if */
128static int gcscaudio_open(void *, int);
129static void gcscaudio_close(void *);
130static int gcscaudio_query_format(void *, audio_format_query_t *);
131static int gcscaudio_set_format(void *, int,
132                                const audio_params_t *, const audio_params_t *,
133                                audio_filter_reg_t *, audio_filter_reg_t *);
134static int gcscaudio_round_blocksize(void *, int, int, const audio_params_t *);
135static int gcscaudio_halt_output(void *);
136static int gcscaudio_halt_input(void *);
137static int gcscaudio_getdev(void *, struct audio_device *);
138static int gcscaudio_set_port(void *, mixer_ctrl_t *);
139static int gcscaudio_get_port(void *, mixer_ctrl_t *);
140static int gcscaudio_query_devinfo(void *, mixer_devinfo_t *);
141static void *gcscaudio_malloc(void *, int, size_t);
142static void gcscaudio_free(void *, void *, size_t);
143static size_t gcscaudio_round_buffersize(void *, int, size_t);
144static int gcscaudio_get_props(void *);
145static int gcscaudio_trigger_output(void *, void *, void *, int,
146                                    void (*)(void *), void *,
147                                    const audio_params_t *);
148static int gcscaudio_trigger_input(void *, void *, void *, int,
149                                   void (*)(void *), void *,
150                                   const audio_params_t *);
151static void gcscaudio_get_locks(void *, kmutex_t **, kmutex_t **);
152static bool gcscaudio_resume(device_t, const pmf_qual_t *);
153static int gcscaudio_intr(void *);
154
155/* for codec_if */
156static int gcscaudio_attach_codec(void *, struct ac97_codec_if *);
157static int gcscaudio_write_codec(void *, uint8_t, uint16_t);
158static int gcscaudio_read_codec(void *, uint8_t, uint16_t *);
159static int gcscaudio_reset_codec(void *);
160static void gcscaudio_spdif_event_codec(void *, bool);
161
162/* misc */
163static int gcscaudio_append_formats(struct gcscaudio_softc *,
164                                    const struct audio_format *);
165static int gcscaudio_wait_ready_codec(struct gcscaudio_softc *sc, const char *);
166static int gcscaudio_allocate_dma(struct gcscaudio_softc *, size_t, void **,
167                                  bus_dma_segment_t *, int, int *,
168                                  bus_dmamap_t *);
169
170
171CFATTACH_DECL_NEW(gcscaudio, sizeof (struct gcscaudio_softc),
172    gcscaudio_match, gcscaudio_attach, NULL, NULL);
173
174
175static struct audio_device gcscaudio_device = {
176	"AMD Geode CS5536",
177	"",
178	"gcscaudio"
179};
180
181static const struct audio_hw_if gcscaudio_hw_if = {
182	.open			= gcscaudio_open,
183	.close			= gcscaudio_close,
184	.query_format		= gcscaudio_query_format,
185	.set_format		= gcscaudio_set_format,
186	.round_blocksize	= gcscaudio_round_blocksize,
187	.commit_settings	= NULL,
188	.init_output		= NULL,
189	.init_input		= NULL,
190	.start_output		= NULL,
191	.start_input		= NULL,
192	.halt_output		= gcscaudio_halt_output,
193	.halt_input		= gcscaudio_halt_input,
194	.speaker_ctl		= NULL,
195	.getdev			= gcscaudio_getdev,
196	.set_port		= gcscaudio_set_port,
197	.get_port		= gcscaudio_get_port,
198	.query_devinfo		= gcscaudio_query_devinfo,
199	.allocm			= gcscaudio_malloc,
200	.freem			= gcscaudio_free,
201	.round_buffersize	= gcscaudio_round_buffersize,
202	.get_props		= gcscaudio_get_props,
203	.trigger_output		= gcscaudio_trigger_output,
204	.trigger_input		= gcscaudio_trigger_input,
205	.dev_ioctl		= NULL,
206	.get_locks		= gcscaudio_get_locks,
207};
208
209#define GCSCAUDIO_FORMAT(aumode, ch, chmask) \
210	{ \
211		.mode		= (aumode), \
212		.encoding	= AUDIO_ENCODING_SLINEAR_LE, \
213		.validbits	= 16, \
214		.precision	= 16, \
215		.channels	= (ch), \
216		.channel_mask	= (chmask), \
217		.frequency_type	= 0, \
218		.frequency	= { 8000, 48000 }, \
219	}
220static const struct audio_format gcscaudio_formats_2ch =
221	GCSCAUDIO_FORMAT(AUMODE_PLAY | AUMODE_RECORD, 2, AUFMT_STEREO);
222
223static const struct audio_format gcscaudio_formats_4ch =
224	GCSCAUDIO_FORMAT(AUMODE_PLAY                , 4, AUFMT_SURROUND4);
225
226static const struct audio_format gcscaudio_formats_6ch =
227	GCSCAUDIO_FORMAT(AUMODE_PLAY                , 6, AUFMT_DOLBY_5_1);
228
229static int
230gcscaudio_match(device_t parent, cfdata_t match, void *aux)
231{
232	struct pci_attach_args *pa;
233
234	pa = (struct pci_attach_args *)aux;
235	if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMD) &&
236	    (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_CS5536_AUDIO))
237		return 1;
238
239	return 0;
240}
241
242static int
243gcscaudio_append_formats(struct gcscaudio_softc *sc,
244                         const struct audio_format *format)
245{
246	if (sc->sc_nformats >= GCSCAUDIO_MAXFORMATS) {
247		aprint_error_dev(sc->sc_dev, "too many formats\n");
248		return EINVAL;
249	}
250	sc->sc_formats[sc->sc_nformats++] = *format;
251	return 0;
252}
253
254static void
255gcscaudio_attach(device_t parent, device_t self, void *aux)
256{
257	struct gcscaudio_softc *sc;
258	struct pci_attach_args *pa;
259	const char *intrstr;
260	pci_intr_handle_t ih;
261	int rc, i;
262	char intrbuf[PCI_INTRSTR_LEN];
263
264	sc = device_private(self);
265
266	sc->sc_dev = self;
267
268	aprint_naive(": Audio controller\n");
269
270	pa = aux;
271	sc->sc_pc = pa->pa_pc;
272	sc->sc_pt = pa->pa_tag;
273	sc->sc_dmat = pa->pa_dmat;
274	LIST_INIT(&sc->sc_dmalist);
275	sc->sc_mch_split_buf = NULL;
276	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
277	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
278
279	aprint_normal(": AMD Geode CS5536 Audio\n");
280
281	if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
282	    &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_ios)) {
283		aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
284		return;
285	}
286
287	if (pci_intr_map(pa, &ih)) {
288		aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
289		goto attach_failure_unmap;
290	}
291	intrstr = pci_intr_string(sc->sc_pc, ih, intrbuf, sizeof(intrbuf));
292
293	sc->sc_ih = pci_intr_establish_xname(sc->sc_pc, ih, IPL_AUDIO,
294	    gcscaudio_intr, sc, device_xname(self));
295	if (sc->sc_ih == NULL) {
296		aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
297		if (intrstr != NULL)
298			aprint_error(" at %s", intrstr);
299		aprint_error("\n");
300		goto attach_failure_unmap;
301	}
302
303	aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
304
305
306	if (gcscaudio_allocate_dma(sc, sizeof(*sc->sc_prd.p_prdtables),
307	    (void **)&(sc->sc_prd.p_prdtables), sc->sc_prd.p_prdsegs, 1,
308	    &(sc->sc_prd.p_prdnseg), &(sc->sc_prd.p_prdmap)) != 0)
309		goto attach_failure_intr;
310
311	sc->host_if.arg = sc;
312	sc->host_if.attach = gcscaudio_attach_codec;
313	sc->host_if.read = gcscaudio_read_codec;
314	sc->host_if.write = gcscaudio_write_codec;
315	sc->host_if.reset = gcscaudio_reset_codec;
316	sc->host_if.spdif_event = gcscaudio_spdif_event_codec;
317
318	if ((rc = ac97_attach(&sc->host_if, self, &sc->sc_lock)) != 0) {
319		aprint_error_dev(sc->sc_dev,
320		    "can't attach codec (error=%d)\n", rc);
321		goto attach_failure_intr;
322	}
323
324	if (!pmf_device_register(self, NULL, gcscaudio_resume))
325		aprint_error_dev(self, "couldn't establish power handler\n");
326
327
328	sc->sc_nformats = 0;
329	gcscaudio_append_formats(sc, &gcscaudio_formats_2ch);
330
331	mutex_enter(&sc->sc_lock);
332	if (AC97_IS_4CH(sc->codec_if))
333		gcscaudio_append_formats(sc, &gcscaudio_formats_4ch);
334	if (AC97_IS_6CH(sc->codec_if))
335		gcscaudio_append_formats(sc, &gcscaudio_formats_6ch);
336	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
337		for (i = 0; i < sc->sc_nformats; i++) {
338			sc->sc_formats[i].frequency_type = 1;
339			sc->sc_formats[i].frequency[0] = 48000;
340		}
341	}
342	mutex_exit(&sc->sc_lock);
343
344	audio_attach_mi(&gcscaudio_hw_if, sc, sc->sc_dev);
345	return;
346
347attach_failure_intr:
348	pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
349attach_failure_unmap:
350	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
351	return;
352}
353
354static int
355gcscaudio_attach_codec(void *arg, struct ac97_codec_if *codec_if)
356{
357	struct gcscaudio_softc *sc;
358
359	sc = (struct gcscaudio_softc *)arg;
360	sc->codec_if = codec_if;
361	return 0;
362}
363
364static int
365gcscaudio_reset_codec(void *arg)
366{
367	struct gcscaudio_softc *sc;
368	sc = (struct gcscaudio_softc *)arg;
369
370	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL,
371	    ACC_CODEC_CNTL_LNK_WRM_RST |
372	    ACC_CODEC_CNTL_CMD_NEW);
373
374	if (gcscaudio_wait_ready_codec(sc, "reset timeout\n"))
375		return 1;
376
377	return 0;
378}
379
380static void
381gcscaudio_spdif_event_codec(void *arg, bool flag)
382{
383	struct gcscaudio_softc *sc;
384
385	sc = (struct gcscaudio_softc *)arg;
386	sc->sc_spdif = flag;
387}
388
389static int
390gcscaudio_wait_ready_codec(struct gcscaudio_softc *sc, const char *timeout_msg)
391{
392	int i;
393
394#define GCSCAUDIO_WAIT_READY_CODEC_TIMEOUT	500
395	for (i = GCSCAUDIO_WAIT_READY_CODEC_TIMEOUT; (i >= 0) &&
396	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL) &
397	    ACC_CODEC_CNTL_CMD_NEW); i--)
398		delay(1);
399
400	if (i < 0) {
401		aprint_error_dev(sc->sc_dev, "%s", timeout_msg);
402		return 1;
403	}
404
405	return 0;
406}
407
408static int
409gcscaudio_write_codec(void *arg, uint8_t reg, uint16_t val)
410{
411	struct gcscaudio_softc *sc;
412
413	sc = (struct gcscaudio_softc *)arg;
414
415	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL,
416	    ACC_CODEC_CNTL_WRITE_CMD |
417	    ACC_CODEC_CNTL_CMD_NEW |
418	    ACC_CODEC_REG2ADDR(reg) |
419	    (val & ACC_CODEC_CNTL_CMD_DATA_MASK));
420
421	if (gcscaudio_wait_ready_codec(sc, "codec write timeout\n"))
422		return 1;
423
424#ifdef GCSCAUDIO_CODEC_DEBUG
425	aprint_error_dev(sc->sc_dev, "codec write: reg=0x%02x, val=0x%04x\n",
426	    reg, val);
427#endif
428
429	return 0;
430}
431
432static int
433gcscaudio_read_codec(void *arg, uint8_t reg, uint16_t *val)
434{
435	struct gcscaudio_softc *sc;
436	uint32_t v;
437	int i;
438
439	sc = (struct gcscaudio_softc *)arg;
440	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL,
441	    ACC_CODEC_CNTL_READ_CMD | ACC_CODEC_CNTL_CMD_NEW |
442	    ACC_CODEC_REG2ADDR(reg));
443
444	if (gcscaudio_wait_ready_codec(sc, "codec write timeout for reading"))
445		return 1;
446
447#define GCSCAUDIO_READ_CODEC_TIMEOUT	50
448	for (i = GCSCAUDIO_READ_CODEC_TIMEOUT; i >= 0; i--) {
449		v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_STATUS);
450		if ((v & ACC_CODEC_STATUS_STS_NEW) &&
451		    (ACC_CODEC_ADDR2REG(v) == reg))
452			break;
453
454		delay(10);
455	}
456
457	if (i < 0) {
458		aprint_error_dev(sc->sc_dev, "codec read timeout\n");
459		return 1;
460	}
461
462#ifdef GCSCAUDIO_CODEC_DEBUG
463	aprint_error_dev(sc->sc_dev, "codec read: reg=0x%02x, val=0x%04x\n",
464	    reg, v & ACC_CODEC_STATUS_STS_DATA_MASK);
465#endif
466
467	*val = v;
468	return 0;
469}
470
471static int
472gcscaudio_open(void *arg, int flags)
473{
474	struct gcscaudio_softc *sc;
475
476	sc = (struct gcscaudio_softc *)arg;
477	sc->codec_if->vtbl->lock(sc->codec_if);
478	return 0;
479}
480
481static void
482gcscaudio_close(void *arg)
483{
484	struct gcscaudio_softc *sc;
485
486	sc = (struct gcscaudio_softc *)arg;
487	sc->codec_if->vtbl->unlock(sc->codec_if);
488}
489
490static int
491gcscaudio_query_format(void *arg, audio_format_query_t *afp)
492{
493	struct gcscaudio_softc *sc;
494
495	sc = (struct gcscaudio_softc *)arg;
496	return audio_query_format(sc->sc_formats, sc->sc_nformats, afp);
497}
498
499static int
500gcscaudio_set_format(void *arg, int setmode,
501                     const audio_params_t *play, const audio_params_t *rec,
502                     audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
503{
504	struct gcscaudio_softc *sc;
505	int rate;
506	int error;
507
508	sc = (struct gcscaudio_softc *)arg;
509
510	if (setmode & AUMODE_PLAY) {
511		if (!AC97_IS_FIXED_RATE(sc->codec_if)) {
512			/* setup rate of DAC */
513			rate = play->sample_rate;
514			if ((error = sc->codec_if->vtbl->set_rate(sc->codec_if,
515			    AC97_REG_PCM_FRONT_DAC_RATE, &rate)) != 0)
516				return error;
517
518			/* additional rate of DAC for Surround */
519			rate = play->sample_rate;
520			if ((play->channels >= 4) &&
521			    (error = sc->codec_if->vtbl->set_rate(sc->codec_if,
522			    AC97_REG_PCM_SURR_DAC_RATE, &rate)) != 0)
523				return error;
524
525			/* additional rate of DAC for LowFrequencyEffect */
526			rate = play->sample_rate;
527			if ((play->channels == 6) &&
528			    (error = sc->codec_if->vtbl->set_rate(sc->codec_if,
529			    AC97_REG_PCM_LFE_DAC_RATE, &rate)) != 0)
530				return error;
531		}
532		sc->sc_play.ch_params = *rec;
533	}
534	if (setmode & AUMODE_RECORD) {
535		if (!AC97_IS_FIXED_RATE(sc->codec_if)) {
536			/* setup rate of ADC */
537			rate = rec->sample_rate;
538			if ((error = sc->codec_if->vtbl->set_rate(sc->codec_if,
539			    AC97_REG_PCM_LR_ADC_RATE, &rate)) != 0)
540				return error;
541		}
542		sc->sc_rec.ch_params = *rec;
543	}
544
545	return 0;
546}
547
548static int
549gcscaudio_round_blocksize(void *arg, int blk, int mode,
550                          const audio_params_t *param)
551{
552
553	if (blk > GCSCAUDIO_PRD_SIZE_MAX)
554		blk = GCSCAUDIO_PRD_SIZE_MAX;
555	blk = rounddown(blk, param->channels * param->precision / NBBY);
556
557	return blk;
558}
559
560static int
561gcscaudio_halt_output(void *arg)
562{
563	struct gcscaudio_softc *sc;
564
565	sc = (struct gcscaudio_softc *)arg;
566	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
567	    ACC_BMx_CMD_BM_CTL_DISABLE);
568	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM4_CMD,
569	    ACC_BMx_CMD_BM_CTL_DISABLE);
570	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD,
571	    ACC_BMx_CMD_BM_CTL_DISABLE);
572	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM7_CMD,
573	    ACC_BMx_CMD_BM_CTL_DISABLE);
574	sc->sc_play.ch_intr = NULL;
575
576	/* channel splitter */
577	sc->sc_mch_splitter = NULL;
578	if (sc->sc_mch_split_buf)
579		gcscaudio_free(sc, sc->sc_mch_split_buf, sc->sc_mch_split_size);
580	sc->sc_mch_split_buf = NULL;
581
582	return 0;
583}
584
585static int
586gcscaudio_halt_input(void *arg)
587{
588	struct gcscaudio_softc *sc;
589
590	sc = (struct gcscaudio_softc *)arg;
591	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM1_CMD,
592	    ACC_BMx_CMD_BM_CTL_DISABLE);
593	sc->sc_rec.ch_intr = NULL;
594	return 0;
595}
596
597static int
598gcscaudio_getdev(void *addr, struct audio_device *retp)
599{
600	*retp = gcscaudio_device;
601	return 0;
602}
603
604static int
605gcscaudio_set_port(void *addr, mixer_ctrl_t *cp)
606{
607	struct gcscaudio_softc *sc;
608
609	sc = addr;
610	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
611}
612
613static int
614gcscaudio_get_port(void *addr, mixer_ctrl_t *cp)
615{
616	struct gcscaudio_softc *sc;
617
618	sc = addr;
619	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
620}
621
622static int
623gcscaudio_query_devinfo(void *addr, mixer_devinfo_t *dip)
624{
625	struct gcscaudio_softc *sc;
626
627	sc = addr;
628	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
629}
630
631static void *
632gcscaudio_malloc(void *arg, int direction, size_t size)
633{
634	struct gcscaudio_softc *sc;
635	struct gcscaudio_dma *p;
636	int error;
637
638	sc = (struct gcscaudio_softc *)arg;
639
640	p = kmem_alloc(sizeof(*p), KM_SLEEP);
641	p->size = size;
642
643	error = gcscaudio_allocate_dma(sc, size, &p->addr,
644	    p->segs, sizeof(p->segs)/sizeof(p->segs[0]), &p->nseg, &p->map);
645	if (error) {
646		kmem_free(p, sizeof(*p));
647		return NULL;
648	}
649
650	LIST_INSERT_HEAD(&sc->sc_dmalist, p, list);
651	return p->addr;
652}
653
654static void
655gcscaudio_free(void *arg, void *ptr, size_t size)
656{
657	struct gcscaudio_softc *sc;
658	struct gcscaudio_dma *p;
659
660	sc = (struct gcscaudio_softc *)arg;
661
662	LIST_FOREACH(p, &sc->sc_dmalist, list) {
663		if (p->addr == ptr) {
664			bus_dmamap_unload(sc->sc_dmat, p->map);
665			bus_dmamap_destroy(sc->sc_dmat, p->map);
666			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
667			bus_dmamem_free(sc->sc_dmat, p->segs, p->nseg);
668
669			LIST_REMOVE(p, list);
670			kmem_free(p, sizeof(*p));
671			break;
672		}
673	}
674}
675
676static size_t
677gcscaudio_round_buffersize(void *addr, int direction, size_t size)
678{
679	if (size > GCSCAUDIO_BUFSIZE_MAX)
680		size = GCSCAUDIO_BUFSIZE_MAX;
681
682	return size;
683}
684
685static int
686gcscaudio_get_props(void *addr)
687{
688
689	return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE |
690	    AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
691}
692
693static int
694build_prdtables(struct gcscaudio_softc *sc, int prdidx,
695                void *addr, size_t size, int blksize, int blklen, int blkoff)
696{
697	struct gcscaudio_dma *p;
698	struct acc_prd *prdp;
699	bus_addr_t paddr;
700	int i;
701
702	/* get physical address of start */
703	paddr = (bus_addr_t)0;
704	LIST_FOREACH(p, &sc->sc_dmalist, list) {
705		if (p->addr == addr) {
706			paddr = p->map->dm_segs[0].ds_addr;
707			break;
708		}
709	}
710	if (!paddr) {
711		aprint_error_dev(sc->sc_dev, "bad addr %p\n", addr);
712		return EINVAL;
713	}
714
715#define PRDADDR(prdidx,idx) \
716	(sc->sc_prd.p_prdmap->dm_segs[0].ds_addr) + sizeof(struct acc_prd) * \
717	(((prdidx) * GCSCAUDIO_NPRDTABLE) + (idx))
718
719	/*
720	 * build PRD table
721	 *   prdtbl[] = <PRD0>, <PRD1>, <PRD2>, ..., <PRDn>, <jmp to PRD0>
722	 */
723	prdp = sc->sc_prd.p_prdtables->prdtbl[prdidx];
724	for (i = 0; size > 0; size -= blksize, i++) {
725		prdp[i].address = paddr + blksize * i + blkoff;
726		prdp[i].ctrlsize =
727		    (size < blklen ? size : blklen) | ACC_BMx_PRD_CTRL_EOP;
728	}
729	prdp[i].address = PRDADDR(prdidx, 0);
730	prdp[i].ctrlsize = ACC_BMx_PRD_CTRL_JMP;
731
732	bus_dmamap_sync(sc->sc_dmat, sc->sc_prd.p_prdmap, 0,
733	    sizeof(struct acc_prd) * i, BUS_DMASYNC_PREWRITE);
734
735	return 0;
736}
737
738static void
739split_buffer_4ch(void *dst, void *src, int size, int blksize)
740{
741	int left, i;
742	uint16_t *s, *d;
743
744	/*
745	 * src[blk0]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,....
746	 * src[blk1]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,....
747	 * src[blk2]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,....
748	 *     :
749	 *
750	 *   rearrange to
751	 *
752	 * src[blk0]: L,R,L,R,L,R,L,R,..
753	 * src[blk1]: L,R,L,R,L,R,L,R,..
754	 * src[blk2]: L,R,L,R,L,R,L,R,..
755	 *     :
756	 * dst[blk0]: SL,SR,SL,SR,SL,SR,SL,SR,..
757	 * dst[blk1]: SL,SR,SL,SR,SL,SR,SL,SR,..
758	 * dst[blk2]: SL,SR,SL,SR,SL,SR,SL,SR,..
759	 *     :
760	 */
761	for (left = size; left > 0; left -= blksize) {
762		s = (uint16_t *)src;
763		d = (uint16_t *)dst;
764		for (i = 0; i < blksize / sizeof(uint16_t) / 4; i++) {
765			/* L,R,SL,SR -> SL,SR */
766			s++;
767			s++;
768			*d++ = *s++;
769			*d++ = *s++;
770		}
771
772		s = (uint16_t *)src;
773		d = (uint16_t *)src;
774		for (i = 0; i < blksize / sizeof(uint16_t) / 2 / 2; i++) {
775			/* L,R,SL,SR -> L,R */
776			*d++ = *s++;
777			*d++ = *s++;
778			s++;
779			s++;
780		}
781
782		src = (char *)src + blksize;
783		dst = (char *)dst + blksize;
784	}
785}
786
787static void
788split_buffer_6ch(void *dst, void *src, int size, int blksize)
789{
790	int left, i;
791	uint16_t *s, *d, *dc, *dl;
792
793	/*
794	 * by default, treat as WAV style 5.1ch order
795	 *   5.1ch(WAV): L R C LFE SL SR
796	 *   5.1ch(AAC): C L R SL SR LFE
797	 *        :
798	 */
799
800	/*
801	 * src[blk0]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,...
802	 * src[blk1]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,...
803	 * src[blk2]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,...
804	 *     :
805	 * src[N-1] : L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,...
806	 *
807	 *   rearrange to
808	 *
809	 * src[blk0]: L,R,L,R,..
810	 * src[blk1]: L,R,L,R,..
811	 * src[blk2]: L,R,L,R,..
812	 *     :
813	 *
814	 * dst[blk0]: SL,SR,SL,SR,..
815	 * dst[blk1]: SL,SR,SL,SR,..
816	 * dst[blk2]: SL,SR,SL,SR,..
817	 *     :
818	 *
819	 * dst[N/2+0]: C,C,C,..
820	 * dst[N/2+1]: C,C,C,..
821	 *     :
822	 *
823	 * dst[N/2+N/4+0]: LFE,LFE,LFE,..
824	 * dst[N/2+N/4+1]: LFE,LFE,LFE,..
825	 *     :
826	 */
827
828	for (left = size; left > 0; left -= blksize) {
829		s = (uint16_t *)src;
830		d = (uint16_t *)dst;
831		dc = (uint16_t *)((char *)dst + blksize / 2);
832		dl = (uint16_t *)((char *)dst + blksize / 2 + blksize / 4);
833		for (i = 0; i < blksize / sizeof(uint16_t) / 6; i++) {
834#ifdef GCSCAUDIO_5_1CH_AAC_ORDER
835			/*
836			 * AAC: [C,L,R,SL,SR,LFE]
837			 *  => [SL,SR]
838			 *  => [C]
839			 *  => [LFE]
840			 */
841			*dc++ = s[0];	/* C */
842			*dl++ = s[5];	/* LFE */
843			*d++ = s[3];	/* SL */
844			*d++ = s[4];	/* SR */
845#else
846			/*
847			 * WAV: [L,R,C,LFE,SL,SR]
848			 *  => [SL,SR]
849			 *  => [C]
850			 *  => [LFE]
851			 */
852			*dc++ = s[2];	/* C */
853			*dl++ = s[3];	/* LFE */
854			*d++ = s[4];	/* SL */
855			*d++ = s[5];	/* SR */
856#endif
857			s += 6;
858		}
859
860		s = (uint16_t *)src;
861		d = (uint16_t *)src;
862		for (i = 0; i < blksize / sizeof(uint16_t) / 2 / 2; i++) {
863#ifdef GCSCAUDIO_5_1CH_AAC_ORDER
864			/* AAC: [C,L,R,SL,SR,LFE] => [L,R] */
865			*d++ = s[1];
866			*d++ = s[2];
867#else
868			/* WAV: [L,R,C,LFE,SL,SR] => [L,R] */
869			*d++ = s[0];
870			*d++ = s[1];
871#endif
872			s += 6;
873		}
874
875		src = (char *)src + blksize;
876		dst = (char *)dst + blksize;
877	}
878}
879
880static void
881channel_splitter(struct gcscaudio_softc *sc)
882{
883	int splitsize, left;
884	void *src, *dst;
885
886	if (sc->sc_mch_splitter == NULL)
887		return;
888
889	left = sc->sc_mch_split_size - sc->sc_mch_split_off;
890	splitsize = sc->sc_mch_split_blksize;
891	if (left < splitsize)
892		splitsize = left;
893
894	src = (char *)sc->sc_mch_split_start + sc->sc_mch_split_off;
895	dst = (char *)sc->sc_mch_split_buf + sc->sc_mch_split_off;
896
897	sc->sc_mch_splitter(dst, src, splitsize, sc->sc_mch_split_blksize);
898
899	sc->sc_mch_split_off += sc->sc_mch_split_blksize;
900	if (sc->sc_mch_split_off >= sc->sc_mch_split_size)
901		sc->sc_mch_split_off = 0;
902}
903
904static int
905gcscaudio_trigger_output(void *addr, void *start, void *end, int blksize,
906                         void (*intr)(void *), void *arg,
907                         const audio_params_t *param)
908{
909	struct gcscaudio_softc *sc;
910	size_t size;
911
912	sc = (struct gcscaudio_softc *)addr;
913	sc->sc_play.ch_intr = intr;
914	sc->sc_play.ch_intr_arg = arg;
915	size = (char *)end - (char *)start;
916
917	switch (sc->sc_play.ch_params.channels) {
918	case 2:
919		if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize,
920		    blksize, 0))
921			return EINVAL;
922
923		if (!AC97_IS_4CH(sc->codec_if)) {
924			/*
925			 * output 2ch PCM to FRONT.LR(BM0)
926			 *
927			 * 2ch: L,R,L,R,L,R,L,R,... => BM0: L,R,L,R,L,R,L,R,...
928			 *
929			 */
930			bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD,
931			    PRDADDR(PRD_TABLE_FRONT, 0));
932
933			/* start DMA transfer */
934			bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
935			    ACC_BMx_CMD_WRITE |
936			    ACC_BMx_CMD_BYTE_ORD_EL |
937			    ACC_BMx_CMD_BM_CTL_ENABLE);
938		} else {
939			/*
940			 * output same PCM to FRONT.LR(BM0) and SURROUND.LR(BM6).
941			 * CENTER(BM4) and LFE(BM7) doesn't sound.
942			 *
943			 * 2ch: L,R,L,R,L,R,L,R,... => BM0: L,R,L,R,L,R,L,R,...
944			 *                             BM6: (same of BM0)
945			 *                             BM4: none
946			 *                             BM7: none
947			 */
948			bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD,
949			    PRDADDR(PRD_TABLE_FRONT, 0));
950			bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD,
951			    PRDADDR(PRD_TABLE_FRONT, 0));
952
953			/* start DMA transfer */
954			bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
955			    ACC_BMx_CMD_WRITE |
956			    ACC_BMx_CMD_BYTE_ORD_EL |
957			    ACC_BMx_CMD_BM_CTL_ENABLE);
958			bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD,
959			    ACC_BMx_CMD_WRITE |
960			    ACC_BMx_CMD_BYTE_ORD_EL |
961			    ACC_BMx_CMD_BM_CTL_ENABLE);
962		}
963		break;
964	case 4:
965		/*
966		 * output 4ch PCM split to FRONT.LR(BM0) and SURROUND.LR(BM6).
967		 * CENTER(BM4) and LFE(BM7) doesn't sound.
968		 *
969		 * rearrange ordered channel to continuous per channel
970		 *
971		 *   4ch: L,R,SL,SR,L,R,SL,SR,... => BM0: L,R,L,R,...
972		 *                                   BM6: SL,SR,SL,SR,...
973		 *                                   BM4: none
974		 *                                   BM7: none
975		 */
976		if (sc->sc_mch_split_buf)
977			gcscaudio_free(sc, sc->sc_mch_split_buf,
978			    sc->sc_mch_split_size);
979
980		if ((sc->sc_mch_split_buf = gcscaudio_malloc(sc, AUMODE_PLAY,
981		    size)) == NULL)
982			return ENOMEM;
983
984		/*
985		 * 1st and 2nd blocks are split immediately.
986		 * Other blocks will be split synchronous with intr.
987		 */
988		split_buffer_4ch(sc->sc_mch_split_buf, start, blksize * 2,
989		    blksize);
990
991		sc->sc_mch_split_start = start;
992		sc->sc_mch_split_size = size;
993		sc->sc_mch_split_blksize = blksize;
994		sc->sc_mch_split_off = (blksize * 2) % size;
995		sc->sc_mch_splitter = split_buffer_4ch;	/* split function */
996
997		if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize,
998		    blksize / 2, 0))
999			return EINVAL;
1000		if (build_prdtables(sc, PRD_TABLE_SURR, sc->sc_mch_split_buf,
1001		    size, blksize, blksize / 2, 0))
1002			return EINVAL;
1003
1004		bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD,
1005		    PRDADDR(PRD_TABLE_FRONT, 0));
1006		bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD,
1007		    PRDADDR(PRD_TABLE_SURR, 0));
1008
1009		/* start DMA transfer */
1010		bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
1011		    ACC_BMx_CMD_WRITE |
1012		    ACC_BMx_CMD_BYTE_ORD_EL |
1013		    ACC_BMx_CMD_BM_CTL_ENABLE);
1014		bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD,
1015		    ACC_BMx_CMD_WRITE |
1016		    ACC_BMx_CMD_BYTE_ORD_EL |
1017		    ACC_BMx_CMD_BM_CTL_ENABLE);
1018		break;
1019	case 6:
1020		/*
1021		 * output 6ch PCM split to
1022		 * FRONT.LR(BM0), SURROUND.LR(BM6), CENTER(BM4) and LFE(BM7)
1023		 *
1024		 * rearrange ordered channel to continuous per channel
1025		 *
1026		 *   5.1ch: L,R,C,LFE,SL,SR,... => BM0: L,R,...
1027		 *                                 BM4: C,...
1028		 *                                 BM6: SL,SR,...
1029		 *                                 BM7: LFE,...
1030		 *
1031		 */
1032		if (sc->sc_mch_split_buf)
1033			gcscaudio_free(sc, sc->sc_mch_split_buf,
1034			    sc->sc_mch_split_size);
1035
1036		if ((sc->sc_mch_split_buf = gcscaudio_malloc(sc, AUMODE_PLAY,
1037		    size)) == NULL)
1038			return ENOMEM;
1039
1040		/*
1041		 * 1st and 2nd blocks are split immediately.
1042		 * Other block will be split synchronous with intr.
1043		 */
1044		split_buffer_6ch(sc->sc_mch_split_buf, start, blksize * 2,
1045		    blksize);
1046
1047		sc->sc_mch_split_start = start;
1048		sc->sc_mch_split_size = size;
1049		sc->sc_mch_split_blksize = blksize;
1050		sc->sc_mch_split_off = (blksize * 2) % size;
1051		sc->sc_mch_splitter = split_buffer_6ch;	/* split function */
1052
1053		if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize,
1054		    blksize / 3, 0))
1055			return EINVAL;
1056		if (build_prdtables(sc, PRD_TABLE_CENTER, sc->sc_mch_split_buf,
1057		    size, blksize, blksize / 3, blksize / 2))
1058			return EINVAL;
1059		if (build_prdtables(sc, PRD_TABLE_SURR, sc->sc_mch_split_buf,
1060		    size, blksize, blksize / 3, 0))
1061			return EINVAL;
1062		if (build_prdtables(sc, PRD_TABLE_LFE, sc->sc_mch_split_buf,
1063		    size, blksize, blksize / 3, blksize / 2 + blksize / 4))
1064			return EINVAL;
1065
1066		bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD,
1067		    PRDADDR(PRD_TABLE_FRONT, 0));
1068		bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM4_PRD,
1069		    PRDADDR(PRD_TABLE_CENTER, 0));
1070		bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD,
1071		    PRDADDR(PRD_TABLE_SURR, 0));
1072		bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM7_PRD,
1073		    PRDADDR(PRD_TABLE_LFE, 0));
1074
1075		/* start DMA transfer */
1076		bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
1077		    ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL |
1078		    ACC_BMx_CMD_BM_CTL_ENABLE);
1079		bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM4_CMD,
1080		    ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL |
1081		    ACC_BMx_CMD_BM_CTL_ENABLE);
1082		bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD,
1083		    ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL |
1084		    ACC_BMx_CMD_BM_CTL_ENABLE);
1085		bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM7_CMD,
1086		    ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL |
1087		    ACC_BMx_CMD_BM_CTL_ENABLE);
1088		break;
1089	}
1090
1091	return 0;
1092}
1093
1094static int
1095gcscaudio_trigger_input(void *addr, void *start, void *end, int blksize,
1096                        void (*intr)(void *), void *arg,
1097                        const audio_params_t *param)
1098{
1099	struct gcscaudio_softc *sc;
1100	size_t size;
1101
1102	sc = (struct gcscaudio_softc *)addr;
1103	sc->sc_rec.ch_intr = intr;
1104	sc->sc_rec.ch_intr_arg = arg;
1105	size = (char *)end - (char *)start;
1106
1107	if (build_prdtables(sc, PRD_TABLE_REC, start, size, blksize, blksize, 0))
1108		return EINVAL;
1109
1110	bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM1_PRD,
1111	    PRDADDR(PRD_TABLE_REC, 0));
1112
1113	/* start transfer */
1114	bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM1_CMD,
1115	    ACC_BMx_CMD_READ |
1116	    ACC_BMx_CMD_BYTE_ORD_EL |
1117	    ACC_BMx_CMD_BM_CTL_ENABLE);
1118
1119	return 0;
1120}
1121
1122static void
1123gcscaudio_get_locks(void *arg, kmutex_t **intr, kmutex_t **thread)
1124{
1125	struct gcscaudio_softc *sc;
1126
1127	sc = (struct gcscaudio_softc *)arg;
1128
1129	*intr = &sc->sc_intr_lock;
1130	*thread = &sc->sc_lock;
1131}
1132
1133static int
1134gcscaudio_intr(void *arg)
1135{
1136	struct gcscaudio_softc *sc;
1137	uint16_t intr;
1138	uint8_t bmstat;
1139	int nintr;
1140
1141	nintr = 0;
1142	sc = (struct gcscaudio_softc *)arg;
1143
1144	mutex_spin_enter(&sc->sc_intr_lock);
1145
1146	intr = bus_space_read_2(sc->sc_iot, sc->sc_ioh, ACC_IRQ_STATUS);
1147	if (intr == 0)
1148		goto done;
1149
1150	/* Front output */
1151	if (intr & ACC_IRQ_STATUS_BM0_IRQ_STS) {
1152		bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_STATUS);
1153		if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1154			aprint_normal_dev(sc->sc_dev, "BM0: Bus Master Error\n");
1155		if (!(bmstat & ACC_BMx_STATUS_EOP))
1156			aprint_normal_dev(sc->sc_dev, "BM0: NO End of Page?\n");
1157
1158		if (sc->sc_play.ch_intr) {
1159			sc->sc_play.ch_intr(sc->sc_play.ch_intr_arg);
1160			channel_splitter(sc);
1161		}
1162		nintr++;
1163	}
1164
1165	/* Center output */
1166	if (intr & ACC_IRQ_STATUS_BM4_IRQ_STS) {
1167		bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM4_STATUS);
1168		if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1169			aprint_normal_dev(sc->sc_dev, "BM4: Bus Master Error\n");
1170		if (!(bmstat & ACC_BMx_STATUS_EOP))
1171			aprint_normal_dev(sc->sc_dev, "BM4: NO End of Page?\n");
1172
1173		nintr++;
1174	}
1175
1176	/* Surround output */
1177	if (intr & ACC_IRQ_STATUS_BM6_IRQ_STS) {
1178		bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_STATUS);
1179		if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1180			aprint_normal_dev(sc->sc_dev, "BM6: Bus Master Error\n");
1181		if (!(bmstat & ACC_BMx_STATUS_EOP))
1182			aprint_normal_dev(sc->sc_dev, "BM6: NO End of Page?\n");
1183
1184		nintr++;
1185	}
1186
1187	/* LowFrequencyEffect output */
1188	if (intr & ACC_IRQ_STATUS_BM7_IRQ_STS) {
1189		bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM7_STATUS);
1190		if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1191			aprint_normal_dev(sc->sc_dev, "BM7: Bus Master Error\n");
1192		if (!(bmstat & ACC_BMx_STATUS_EOP))
1193			aprint_normal_dev(sc->sc_dev, "BM7: NO End of Page?\n");
1194
1195		nintr++;
1196	}
1197
1198	/* record */
1199	if (intr & ACC_IRQ_STATUS_BM1_IRQ_STS) {
1200		bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM1_STATUS);
1201		if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1202			aprint_normal_dev(sc->sc_dev, "BM1: Bus Master Error\n");
1203		if (!(bmstat & ACC_BMx_STATUS_EOP))
1204			aprint_normal_dev(sc->sc_dev, "BM1: NO End of Page?\n");
1205
1206		if (sc->sc_rec.ch_intr) {
1207			sc->sc_rec.ch_intr(sc->sc_rec.ch_intr_arg);
1208		}
1209		nintr++;
1210	}
1211
1212#ifdef GCSCAUDIO_DEBUG
1213	if (intr & ACC_IRQ_STATUS_IRQ_STS)
1214		aprint_normal_dev(sc->sc_dev, "Codec GPIO IRQ Status\n");
1215	if (intr & ACC_IRQ_STATUS_WU_IRQ_STS)
1216		aprint_normal_dev(sc->sc_dev, "Codec GPIO Wakeup IRQ Status\n");
1217	if (intr & ACC_IRQ_STATUS_BM2_IRQ_STS)
1218		aprint_normal_dev(sc->sc_dev, "Audio Bus Master 2 IRQ Status\n");
1219	if (intr & ACC_IRQ_STATUS_BM3_IRQ_STS)
1220		aprint_normal_dev(sc->sc_dev, "Audio Bus Master 3 IRQ Status\n");
1221	if (intr & ACC_IRQ_STATUS_BM5_IRQ_STS)
1222		aprint_normal_dev(sc->sc_dev, "Audio Bus Master 5 IRQ Status\n");
1223#endif
1224
1225done:
1226	mutex_spin_exit(&sc->sc_intr_lock);
1227
1228	return nintr ? 1 : 0;
1229}
1230
1231static bool
1232gcscaudio_resume(device_t dv, const pmf_qual_t *qual)
1233{
1234	struct gcscaudio_softc *sc = device_private(dv);
1235
1236	gcscaudio_reset_codec(sc);
1237	DELAY(1000);
1238	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1239
1240	return true;
1241}
1242
1243static int
1244gcscaudio_allocate_dma(struct gcscaudio_softc *sc, size_t size, void **addrp,
1245                       bus_dma_segment_t *seglist, int nseg, int *rsegp,
1246                       bus_dmamap_t *mapp)
1247{
1248	int error;
1249
1250	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, seglist,
1251	    nseg, rsegp, BUS_DMA_WAITOK)) != 0) {
1252		aprint_error_dev(sc->sc_dev,
1253		    "unable to allocate DMA buffer, error=%d\n", error);
1254		goto fail_alloc;
1255	}
1256
1257	if ((error = bus_dmamem_map(sc->sc_dmat, seglist, nseg, size, addrp,
1258	    BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) {
1259		aprint_error_dev(sc->sc_dev,
1260		    "unable to map DMA buffer, error=%d\n",
1261		    error);
1262		goto fail_map;
1263	}
1264
1265	if ((error = bus_dmamap_create(sc->sc_dmat, size, nseg, size, 0,
1266	    BUS_DMA_WAITOK, mapp)) != 0) {
1267		aprint_error_dev(sc->sc_dev,
1268		    "unable to create DMA map, error=%d\n", error);
1269		goto fail_create;
1270	}
1271
1272	if ((error = bus_dmamap_load(sc->sc_dmat, *mapp, *addrp, size, NULL,
1273	    BUS_DMA_WAITOK)) != 0) {
1274		aprint_error_dev(sc->sc_dev,
1275		    "unable to load DMA map, error=%d\n", error);
1276		goto fail_load;
1277	}
1278
1279	return 0;
1280
1281fail_load:
1282	bus_dmamap_destroy(sc->sc_dmat, *mapp);
1283fail_create:
1284	bus_dmamem_unmap(sc->sc_dmat, *addrp, size);
1285fail_map:
1286	bus_dmamem_free(sc->sc_dmat, seglist, nseg);
1287fail_alloc:
1288	return error;
1289}
1290