1 /*	$NetBSD: auvia.c,v 1.77 2014/03/29 19:28:24 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000, 2008 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Tyler C. Sarna.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * VIA Technologies VT82C686A / VT8233 / VT8235 Southbridge Audio Driver
34  *
35  * Documentation links:
36  *
37  * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf
38  * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf
39  * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec)
40  */
41 
42 #include <sys/cdefs.h>
43 __KERNEL_RCSID(0, "$NetBSD: auvia.c,v 1.77 2014/03/29 19:28:24 christos Exp $");
44 
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/kmem.h>
48 #include <sys/device.h>
49 #include <sys/audioio.h>
50 
51 #include <dev/pci/pcidevs.h>
52 #include <dev/pci/pcivar.h>
53 
54 #include <dev/audio_if.h>
55 #include <dev/mulaw.h>
56 #include <dev/auconv.h>
57 
58 #include <dev/ic/ac97reg.h>
59 #include <dev/ic/ac97var.h>
60 
61 #include <dev/pci/auviavar.h>
62 
63 #define	AUVIA_MINBLKSZ		512
64 
65 struct auvia_dma {
66 	struct auvia_dma *next;
67 	void *addr;
68 	size_t size;
69 	bus_dmamap_t map;
70 	bus_dma_segment_t seg;
71 };
72 
73 struct auvia_dma_op {
74 	uint32_t ptr;
75 	uint32_t flags;
76 #define AUVIA_DMAOP_EOL		0x80000000
77 #define AUVIA_DMAOP_FLAG	0x40000000
78 #define AUVIA_DMAOP_STOP	0x20000000
79 #define AUVIA_DMAOP_COUNT(x)	((x)&0x00FFFFFF)
80 };
81 
82 static int	auvia_match(device_t, cfdata_t, void *);
83 static void	auvia_attach(device_t, device_t, void *);
84 static int	auvia_detach(device_t, int);
85 static void	auvia_childdet(device_t, device_t);
86 static int	auvia_open(void *, int);
87 static void	auvia_close(void *);
88 static int	auvia_query_encoding(void *, struct audio_encoding *);
89 static void	auvia_set_params_sub(struct auvia_softc *,
90 				     struct auvia_softc_chan *,
91 				     const audio_params_t *);
92 static int	auvia_set_params(void *, int, int, audio_params_t *,
93 				 audio_params_t *, stream_filter_list_t *,
94 				 stream_filter_list_t *);
95 static int	auvia_round_blocksize(void *, int, int, const audio_params_t *);
96 static int	auvia_halt_output(void *);
97 static int	auvia_halt_input(void *);
98 static int	auvia_getdev(void *, struct audio_device *);
99 static int	auvia_set_port(void *, mixer_ctrl_t *);
100 static int	auvia_get_port(void *, mixer_ctrl_t *);
101 static int	auvia_query_devinfo(void *, mixer_devinfo_t *);
102 static void *	auvia_malloc(void *, int, size_t);
103 static void	auvia_free(void *, void *, size_t);
104 static size_t	auvia_round_buffersize(void *, int, size_t);
105 static paddr_t	auvia_mappage(void *, void *, off_t, int);
106 static int	auvia_get_props(void *);
107 static int	auvia_build_dma_ops(struct auvia_softc *,
108 				    struct auvia_softc_chan *,
109 				    struct auvia_dma *, void *, void *, int);
110 static int	auvia_trigger_output(void *, void *, void *, int,
111 				     void (*)(void *), void *,
112 				     const audio_params_t *);
113 static int	auvia_trigger_input(void *, void *, void *, int,
114 				    void (*)(void *), void *,
115 				    const audio_params_t *);
116 static void	auvia_get_locks(void *, kmutex_t **, kmutex_t **);
117 static bool	auvia_resume(device_t, const pmf_qual_t *);
118 
119 static int	auvia_intr(void *);
120 static void *	auvia_malloc_dmamem(void *, int, size_t);
121 static int	auvia_malloc_channel(struct auvia_softc *, struct auvia_softc_chan *,
122 				     size_t);
123 static int	auvia_attach_codec(void *, struct ac97_codec_if *);
124 static int	auvia_write_codec(void *, uint8_t, uint16_t);
125 static int	auvia_read_codec(void *, uint8_t, uint16_t *);
126 static int	auvia_reset_codec(void *);
127 static int	auvia_waitready_codec(struct auvia_softc *);
128 static int	auvia_waitvalid_codec(struct auvia_softc *);
129 static void	auvia_spdif_event(void *, bool);
130 
131 CFATTACH_DECL2_NEW(auvia, sizeof (struct auvia_softc),
132     auvia_match, auvia_attach, auvia_detach, NULL, NULL, auvia_childdet);
133 
134 /* VIA VT823xx revision number */
135 #define VIA_REV_8233PRE	0x10
136 #define VIA_REV_8233C	0x20
137 #define VIA_REV_8233	0x30
138 #define VIA_REV_8233A	0x40
139 #define VIA_REV_8235	0x50
140 #define VIA_REV_8237	0x60
141 
142 #define AUVIA_PCICONF_JUNK	0x40
143 #define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
144 #define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
145 #define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
146 #define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
147 #define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
148 #define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
149 #define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
150 #define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
151 #define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
152 
153 #define	AUVIA_PLAY_BASE			0x00
154 #define	AUVIA_RECORD_BASE		0x10
155 
156 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
157 #define	AUVIA_RP_STAT			0x00
158 #define		AUVIA_RPSTAT_INTR		0x03
159 #define	AUVIA_RP_CONTROL		0x01
160 #define		AUVIA_RPCTRL_START		0x80
161 #define		AUVIA_RPCTRL_TERMINATE		0x40
162 #define		AUVIA_RPCTRL_AUTOSTART		0x20
163 /* The following are 8233 specific */
164 #define		AUVIA_RPCTRL_STOP		0x04
165 #define		AUVIA_RPCTRL_EOL		0x02
166 #define		AUVIA_RPCTRL_FLAG		0x01
167 #define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
168 #define		AUVIA_RPMODE_INTR_FLAG		0x01
169 #define		AUVIA_RPMODE_INTR_EOL		0x02
170 #define		AUVIA_RPMODE_STEREO		0x10
171 #define		AUVIA_RPMODE_16BIT		0x20
172 #define		AUVIA_RPMODE_AUTOSTART		0x80
173 #define	AUVIA_RP_DMAOPS_BASE		0x04
174 
175 #define	VIA8233_RP_DXS_LVOL		0x02
176 #define	VIA8233_RP_DXS_RVOL		0x03
177 #define	VIA8233_RP_RATEFMT		0x08
178 #define		VIA8233_RATEFMT_48K		0xfffff
179 #define		VIA8233_RATEFMT_STEREO		0x00100000
180 #define		VIA8233_RATEFMT_16BIT		0x00200000
181 
182 #define	VIA_RP_DMAOPS_COUNT		0x0c
183 
184 #define VIA8233_MP_BASE			0x40
185 	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
186 #define VIA8233_OFF_MP_FORMAT		0x02
187 #define		VIA8233_MP_FORMAT_8BIT		0x00
188 #define		VIA8233_MP_FORMAT_16BIT		0x80
189 #define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
190 #define VIA8233_OFF_MP_SCRATCH		0x03
191 #define VIA8233_OFF_MP_STOP		0x08
192 
193 #define VIA8233_WR_BASE			0x60
194 
195 #define	AUVIA_CODEC_CTL			0x80
196 #define		AUVIA_CODEC_READ		0x00800000
197 #define		AUVIA_CODEC_BUSY		0x01000000
198 #define		AUVIA_CODEC_PRIVALID		0x02000000
199 #define		AUVIA_CODEC_INDEX(x)		((x)<<16)
200 
201 #define CH_WRITE1(sc, ch, off, v)	\
202 	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
203 #define CH_WRITE4(sc, ch, off, v)	\
204 	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
205 #define CH_READ1(sc, ch, off)		\
206 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
207 #define CH_READ4(sc, ch, off)		\
208 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
209 
210 #define TIMEOUT	50
211 
212 static const struct audio_hw_if auvia_hw_if = {
213 	auvia_open,
214 	auvia_close,
215 	NULL, /* drain */
216 	auvia_query_encoding,
217 	auvia_set_params,
218 	auvia_round_blocksize,
219 	NULL, /* commit_settings */
220 	NULL, /* init_output */
221 	NULL, /* init_input */
222 	NULL, /* start_output */
223 	NULL, /* start_input */
224 	auvia_halt_output,
225 	auvia_halt_input,
226 	NULL, /* speaker_ctl */
227 	auvia_getdev,
228 	NULL, /* setfd */
229 	auvia_set_port,
230 	auvia_get_port,
231 	auvia_query_devinfo,
232 	auvia_malloc,
233 	auvia_free,
234 	auvia_round_buffersize,
235 	auvia_mappage,
236 	auvia_get_props,
237 	auvia_trigger_output,
238 	auvia_trigger_input,
239 	NULL, /* dev_ioctl */
240 	auvia_get_locks,
241 };
242 
243 #define AUVIA_FORMATS_4CH_16	2
244 #define AUVIA_FORMATS_6CH_16	3
245 #define AUVIA_FORMATS_4CH_8	6
246 #define AUVIA_FORMATS_6CH_8	7
247 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
248 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
249 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
250 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
251 	 2, AUFMT_STEREO, 0, {8000, 48000}},
252 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
253 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
254 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
255 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
256 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
257 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
258 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
259 	 2, AUFMT_STEREO, 0, {8000, 48000}},
260 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
261 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
262 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
263 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
264 };
265 
266 #define	AUVIA_SPDIF_NFORMATS	1
267 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = {
268 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
269 	 2, AUFMT_STEREO, 1, {48000}},
270 };
271 
272 
273 static int
auvia_match(device_t parent,cfdata_t match,void * aux)274 auvia_match(device_t parent, cfdata_t match, void *aux)
275 {
276 	struct pci_attach_args *pa;
277 
278 	pa = (struct pci_attach_args *) aux;
279 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
280 		return 0;
281 	switch (PCI_PRODUCT(pa->pa_id)) {
282 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
283 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
284 		break;
285 	default:
286 		return 0;
287 	}
288 
289 	return 1;
290 }
291 
292 static void
auvia_childdet(device_t self,device_t child)293 auvia_childdet(device_t self, device_t child)
294 {
295 	/* we hold no child references, so do nothing */
296 }
297 
298 static int
auvia_detach(device_t self,int flags)299 auvia_detach(device_t self, int flags)
300 {
301 	int rc;
302 	struct auvia_softc *sc = device_private(self);
303 
304 	if ((rc = config_detach_children(self, flags)) != 0)
305 		return rc;
306 	pmf_device_deregister(self);
307 
308 	mutex_enter(&sc->sc_lock);
309 	auconv_delete_encodings(sc->sc_encodings);
310 	auconv_delete_encodings(sc->sc_spdif_encodings);
311 	if (sc->codec_if != NULL)
312 		sc->codec_if->vtbl->detach(sc->codec_if);
313 	mutex_exit(&sc->sc_lock);
314 
315 	/* XXX restore compatibility? */
316 	if (sc->sc_ih != NULL)
317 		pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
318 
319 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
320 	if (sc->sc_play.sc_dma_ops != NULL) {
321 		auvia_free(sc, sc->sc_play.sc_dma_ops,
322 		    sc->sc_play.sc_dma_op_count *
323 		    sizeof(struct auvia_dma_op));
324 	}
325 	if (sc->sc_record.sc_dma_ops != NULL) {
326 		auvia_free(sc, sc->sc_record.sc_dma_ops,
327 		    sc->sc_play.sc_dma_op_count *
328 		    sizeof(struct auvia_dma_op));
329 	}
330 	mutex_destroy(&sc->sc_lock);
331 	mutex_destroy(&sc->sc_intr_lock);
332 
333 	return 0;
334 }
335 
336 static void
auvia_attach(device_t parent,device_t self,void * aux)337 auvia_attach(device_t parent, device_t self, void *aux)
338 {
339 	struct pci_attach_args *pa;
340 	struct auvia_softc *sc;
341 	const char *intrstr;
342 	pci_chipset_tag_t pc;
343 	pcitag_t pt;
344 	pci_intr_handle_t ih;
345 	pcireg_t pr;
346 	int r;
347 	const char *revnum;	/* VT823xx revision number */
348 	char intrbuf[PCI_INTRSTR_LEN];
349 
350 	pa = aux;
351 	sc = device_private(self);
352 	sc->sc_dev = self;
353 	intrstr = NULL;
354 	pc = pa->pa_pc;
355 	pt = pa->pa_tag;
356 	revnum = NULL;
357 
358 	aprint_naive(": Audio controller\n");
359 
360 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
361 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
362 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
363 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
364 		sc->sc_play.sc_base = VIA8233_MP_BASE;
365 		sc->sc_record.sc_base = VIA8233_WR_BASE;
366 	}
367 
368 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
369 		&sc->sc_ioh, NULL, &sc->sc_iosize)) {
370 		aprint_error(": can't map i/o space\n");
371 		return;
372 	}
373 
374 	sc->sc_dmat = pa->pa_dmat;
375 	sc->sc_pc = pc;
376 	sc->sc_pt = pt;
377 
378 	r = PCI_REVISION(pa->pa_class);
379 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
380 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
381 		switch(r) {
382 		case VIA_REV_8233PRE:
383 			/* same as 8233, but should not be in the market */
384 			revnum = "3-Pre";
385 			break;
386 		case VIA_REV_8233C:
387 			/* 2 rec, 4 pb, 1 multi-pb */
388 			revnum = "3C";
389 			break;
390 		case VIA_REV_8233:
391 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
392 			revnum = "3";
393 			break;
394 		case VIA_REV_8233A:
395 			/* 1 rec, 1 multi-pb, spdif */
396 			revnum = "3A";
397 			break;
398 		default:
399 			break;
400 		}
401 		if (r >= VIA_REV_8237)
402 			revnum = "7";
403 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
404 			revnum = "5";
405 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
406 		    "(rev %s)\n", revnum, sc->sc_revision);
407 	} else {
408 		sc->sc_revision[1] = '\0';
409 		if (r == 0x20) {
410 			sc->sc_revision[0] = 'H';
411 		} else if ((r >= 0x10) && (r <= 0x14)) {
412 			sc->sc_revision[0] = 'A' + (r - 0x10);
413 		} else {
414 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
415 			    "0x%02X", r);
416 		}
417 
418 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
419 		    "(rev %s)\n", sc->sc_revision);
420 	}
421 
422 	if (pci_intr_map(pa, &ih)) {
423 		aprint_error(": couldn't map interrupt\n");
424 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
425 		return;
426 	}
427 	intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
428 
429 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
430 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
431 
432 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
433 	if (sc->sc_ih == NULL) {
434 		aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
435 		if (intrstr != NULL)
436 			aprint_error(" at %s", intrstr);
437 		aprint_error("\n");
438 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
439 		mutex_destroy(&sc->sc_lock);
440 		mutex_destroy(&sc->sc_intr_lock);
441 		return;
442 	}
443 
444 	aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
445 
446 	/* disable SBPro compat & others */
447 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
448 
449 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
450 	/* XXX what to do about MIDI, FM, joystick? */
451 
452 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
453 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
454 
455 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
456 
457 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
458 
459 	sc->host_if.arg = sc;
460 	sc->host_if.attach = auvia_attach_codec;
461 	sc->host_if.read = auvia_read_codec;
462 	sc->host_if.write = auvia_write_codec;
463 	sc->host_if.reset = auvia_reset_codec;
464 	sc->host_if.spdif_event = auvia_spdif_event;
465 
466 	if ((r = ac97_attach(&sc->host_if, self, &sc->sc_lock)) != 0) {
467 		aprint_error_dev(sc->sc_dev, "can't attach codec (error 0x%X)\n", r);
468 		pci_intr_disestablish(pc, sc->sc_ih);
469 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
470 		mutex_destroy(&sc->sc_lock);
471 		mutex_destroy(&sc->sc_intr_lock);
472 		return;
473 	}
474 
475 	/* setup audio_format */
476 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
477 	mutex_enter(&sc->sc_lock);
478 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
479 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
480 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
481 	}
482 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
483 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
484 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
485 	}
486 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
487 		for (r = 0; r < AUVIA_NFORMATS; r++) {
488 			sc->sc_formats[r].frequency_type = 1;
489 			sc->sc_formats[r].frequency[0] = 48000;
490 		}
491 	}
492 	mutex_exit(&sc->sc_lock);
493 
494 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
495 					 &sc->sc_encodings)) {
496 		mutex_enter(&sc->sc_lock);
497 		sc->codec_if->vtbl->detach(sc->codec_if);
498 		mutex_exit(&sc->sc_lock);
499 		pci_intr_disestablish(pc, sc->sc_ih);
500 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
501 		mutex_destroy(&sc->sc_lock);
502 		mutex_destroy(&sc->sc_intr_lock);
503 		aprint_error_dev(sc->sc_dev, "can't create encodings\n");
504 		return;
505 	}
506 	if (0 != auconv_create_encodings(auvia_spdif_formats,
507 	    AUVIA_SPDIF_NFORMATS, &sc->sc_spdif_encodings)) {
508 		mutex_enter(&sc->sc_lock);
509 		sc->codec_if->vtbl->detach(sc->codec_if);
510 		mutex_exit(&sc->sc_lock);
511 		pci_intr_disestablish(pc, sc->sc_ih);
512 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
513 		mutex_destroy(&sc->sc_lock);
514 		mutex_destroy(&sc->sc_intr_lock);
515 		aprint_error_dev(sc->sc_dev, "can't create spdif encodings\n");
516 		return;
517 	}
518 
519 	if (!pmf_device_register(self, NULL, auvia_resume))
520 		aprint_error_dev(self, "couldn't establish power handler\n");
521 
522 	audio_attach_mi(&auvia_hw_if, sc, sc->sc_dev);
523 	mutex_enter(&sc->sc_lock);
524 	sc->codec_if->vtbl->unlock(sc->codec_if);
525 	mutex_exit(&sc->sc_lock);
526 	return;
527 }
528 
529 static int
auvia_attach_codec(void * addr,struct ac97_codec_if * cif)530 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
531 {
532 	struct auvia_softc *sc;
533 
534 	sc = addr;
535 	sc->codec_if = cif;
536 	return 0;
537 }
538 
539 static int
auvia_reset_codec(void * addr)540 auvia_reset_codec(void *addr)
541 {
542 	struct auvia_softc *sc;
543 	pcireg_t r;
544 	int i;
545 
546 	/* perform a codec cold reset */
547 	sc = addr;
548 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
549 
550 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
551 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
552 	delay(2);
553 
554 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
555 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
556 	delay(200);
557 
558 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
559 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
560 		DELAY(1);
561 	if (i == 0) {
562 		printf("%s: codec reset timed out\n", device_xname(sc->sc_dev));
563 		return ETIMEDOUT;
564 	}
565 	return 0;
566 }
567 
568 static int
auvia_waitready_codec(struct auvia_softc * sc)569 auvia_waitready_codec(struct auvia_softc *sc)
570 {
571 	int i;
572 
573 	/* poll until codec not busy */
574 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
575 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
576 		delay(1);
577 	if (i >= TIMEOUT) {
578 		printf("%s: codec busy\n", device_xname(sc->sc_dev));
579 		return 1;
580 	}
581 
582 	return 0;
583 }
584 
585 static int
auvia_waitvalid_codec(struct auvia_softc * sc)586 auvia_waitvalid_codec(struct auvia_softc *sc)
587 {
588 	int i;
589 
590 	/* poll until codec valid */
591 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
592 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
593 			delay(1);
594 	if (i >= TIMEOUT) {
595 		printf("%s: codec invalid\n", device_xname(sc->sc_dev));
596 		return 1;
597 	}
598 
599 	return 0;
600 }
601 
602 static int
auvia_write_codec(void * addr,u_int8_t reg,u_int16_t val)603 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
604 {
605 	struct auvia_softc *sc;
606 
607 	sc = addr;
608 	if (auvia_waitready_codec(sc))
609 		return 1;
610 
611 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
612 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
613 
614 	return 0;
615 }
616 
617 static int
auvia_read_codec(void * addr,u_int8_t reg,u_int16_t * val)618 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
619 {
620 	struct auvia_softc *sc;
621 
622 	sc = addr;
623 	if (auvia_waitready_codec(sc))
624 		return 1;
625 
626 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
627 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
628 
629 	if (auvia_waitready_codec(sc))
630 		return 1;
631 
632 	if (auvia_waitvalid_codec(sc))
633 		return 1;
634 
635 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
636 
637 	return 0;
638 }
639 
640 static void
auvia_spdif_event(void * addr,bool flag)641 auvia_spdif_event(void *addr, bool flag)
642 {
643 	struct auvia_softc *sc;
644 
645 	sc = addr;
646 	sc->sc_spdif = flag;
647 }
648 
649 static int
auvia_open(void * addr,int flags)650 auvia_open(void *addr, int flags)
651 {
652 	struct auvia_softc *sc;
653 
654 	sc = (struct auvia_softc *)addr;
655 	mutex_spin_exit(&sc->sc_intr_lock);
656 	sc->codec_if->vtbl->lock(sc->codec_if);
657 	mutex_spin_enter(&sc->sc_intr_lock);
658 	return 0;
659 }
660 
661 static void
auvia_close(void * addr)662 auvia_close(void *addr)
663 {
664 	struct auvia_softc *sc;
665 
666 	sc = (struct auvia_softc *)addr;
667 	mutex_spin_exit(&sc->sc_intr_lock);
668 	sc->codec_if->vtbl->unlock(sc->codec_if);
669 	mutex_spin_enter(&sc->sc_intr_lock);
670 }
671 
672 static int
auvia_query_encoding(void * addr,struct audio_encoding * fp)673 auvia_query_encoding(void *addr, struct audio_encoding *fp)
674 {
675 	struct auvia_softc *sc;
676 
677 	sc = (struct auvia_softc *)addr;
678 	return auconv_query_encoding(
679 	    sc->sc_spdif ? sc->sc_spdif_encodings : sc->sc_encodings, fp);
680 }
681 
682 static void
auvia_set_params_sub(struct auvia_softc * sc,struct auvia_softc_chan * ch,const audio_params_t * p)683 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
684 		     const audio_params_t *p)
685 {
686 	uint32_t v;
687 	uint16_t regval;
688 
689 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
690 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
691 			| (p->precision  == 16 ?
692 				AUVIA_RPMODE_16BIT : 0)
693 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
694 			| AUVIA_RPMODE_AUTOSTART;
695 		ch->sc_reg = regval;
696 	} else if (ch->sc_base != VIA8233_MP_BASE) {
697 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
698 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
699 			| VIA8233_RATEFMT_16BIT);
700 
701 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
702 			/ (48000 / 20);
703 		if (p->channels == 2)
704 			v |= VIA8233_RATEFMT_STEREO;
705 		if (p->precision == 16)
706 			v |= VIA8233_RATEFMT_16BIT;
707 
708 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
709 	} else {
710 		static const u_int32_t slottab[7] =
711 			{ 0, 0xff000011, 0xff000021, 0,
712 			  0xff004321, 0, 0xff436521};
713 
714 		regval = (p->precision == 16
715 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
716 			| (p->channels << 4);
717 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
718 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
719 	}
720 }
721 
722 static int
auvia_set_params(void * addr,int setmode,int usemode,audio_params_t * play,audio_params_t * rec,stream_filter_list_t * pfil,stream_filter_list_t * rfil)723 auvia_set_params(void *addr, int setmode, int usemode,
724     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
725     stream_filter_list_t *rfil)
726 {
727 	struct auvia_softc *sc;
728 	struct auvia_softc_chan *ch;
729 	struct audio_params *p;
730 	struct ac97_codec_if* codec;
731 	stream_filter_list_t *fil;
732 	int reg, mode;
733 	int index;
734 
735 	sc = addr;
736 	codec = sc->codec_if;
737 	/* for mode in (RECORD, PLAY) */
738 	for (mode = AUMODE_RECORD; mode != -1;
739 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
740 		if ((setmode & mode) == 0)
741 			continue;
742 
743 		if (mode == AUMODE_PLAY ) {
744 			p = play;
745 			ch = &sc->sc_play;
746 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
747 			fil = pfil;
748 		} else {
749 			p = rec;
750 			ch = &sc->sc_record;
751 			reg = AC97_REG_PCM_LR_ADC_RATE;
752 			fil = rfil;
753 		}
754 
755 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
756 		    (p->precision != 8 && p->precision != 16))
757 			return (EINVAL);
758 		if (sc->sc_spdif)
759 			index = auconv_set_converter(auvia_spdif_formats,
760 			    AUVIA_SPDIF_NFORMATS, mode, p, TRUE, fil);
761 		else
762 			index = auconv_set_converter(sc->sc_formats,
763 			    AUVIA_NFORMATS, mode, p, TRUE, fil);
764 		if (index < 0)
765 			return EINVAL;
766 		if (fil->req_size > 0)
767 			p = &fil->filters[0].param;
768 		if (!AC97_IS_FIXED_RATE(codec)) {
769 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
770 				return EINVAL;
771 			reg = AC97_REG_PCM_SURR_DAC_RATE;
772 			if (p->channels >= 4
773 			    && codec->vtbl->set_rate(codec, reg,
774 						     &p->sample_rate))
775 				return EINVAL;
776 			reg = AC97_REG_PCM_LFE_DAC_RATE;
777 			if (p->channels == 6
778 			    && codec->vtbl->set_rate(codec, reg,
779 						     &p->sample_rate))
780 				return EINVAL;
781 		}
782 		auvia_set_params_sub(sc, ch, p);
783 	}
784 
785 	return 0;
786 }
787 
788 static int
auvia_round_blocksize(void * addr,int blk,int mode,const audio_params_t * param)789 auvia_round_blocksize(void *addr, int blk,
790     int mode, const audio_params_t *param)
791 {
792 	struct auvia_softc *sc;
793 
794 	sc = addr;
795 
796 	/* XXX VT823x might have the limitation of dma_ops size */
797 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
798 		blk = 288;
799 
800 	/* Avoid too many dma_ops. */
801 	return min((blk & -32), AUVIA_MINBLKSZ);
802 }
803 
804 static int
auvia_halt_output(void * addr)805 auvia_halt_output(void *addr)
806 {
807 	struct auvia_softc *sc;
808 	struct auvia_softc_chan *ch;
809 
810 	sc = addr;
811 	ch = &(sc->sc_play);
812 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
813 	ch->sc_intr = NULL;
814 	return 0;
815 }
816 
817 static int
auvia_halt_input(void * addr)818 auvia_halt_input(void *addr)
819 {
820 	struct auvia_softc *sc;
821 	struct auvia_softc_chan *ch;
822 
823 	sc = addr;
824 	ch = &(sc->sc_record);
825 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
826 	ch->sc_intr = NULL;
827 	return 0;
828 }
829 
830 static int
auvia_getdev(void * addr,struct audio_device * retp)831 auvia_getdev(void *addr, struct audio_device *retp)
832 {
833 	struct auvia_softc *sc;
834 
835 	if (retp) {
836 		sc = addr;
837 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
838 			strncpy(retp->name, "VIA VT823x",
839 				sizeof(retp->name));
840 		} else {
841 			strncpy(retp->name, "VIA VT82C686A",
842 				sizeof(retp->name));
843 		}
844 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
845 		strncpy(retp->config, "auvia", sizeof(retp->config));
846 	}
847 
848 	return 0;
849 }
850 
851 static int
auvia_set_port(void * addr,mixer_ctrl_t * cp)852 auvia_set_port(void *addr, mixer_ctrl_t *cp)
853 {
854 	struct auvia_softc *sc;
855 
856 	sc = addr;
857 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
858 }
859 
860 static int
auvia_get_port(void * addr,mixer_ctrl_t * cp)861 auvia_get_port(void *addr, mixer_ctrl_t *cp)
862 {
863 	struct auvia_softc *sc;
864 
865 	sc = addr;
866 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
867 }
868 
869 static int
auvia_query_devinfo(void * addr,mixer_devinfo_t * dip)870 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
871 {
872 	struct auvia_softc *sc;
873 
874 	sc = addr;
875 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
876 }
877 
878 static int
auvia_malloc_channel(struct auvia_softc * sc,struct auvia_softc_chan * ch,size_t size)879 auvia_malloc_channel(struct auvia_softc *sc, struct auvia_softc_chan *ch,
880 		     size_t size)
881 {
882 	struct auvia_dma *dp;
883 	int segs;
884 
885 	/* if old list is large enough, nothing to do */
886 	segs = (size + AUVIA_MINBLKSZ - 1) / AUVIA_MINBLKSZ;
887 	if (segs <= ch->sc_dma_op_count) {
888 		return 0;
889 	}
890 
891 	if (ch->sc_dma_ops) {
892 		auvia_free(sc, ch->sc_dma_ops,
893 		    ch->sc_dma_op_count * sizeof(*dp));
894 	}
895 
896 	ch->sc_dma_ops = auvia_malloc_dmamem(sc, 0,
897 	    sizeof(struct auvia_dma_op) * segs);
898 
899 	if (ch->sc_dma_ops == NULL) {
900 		aprint_error_dev(sc->sc_dev, "couldn't build dmaops\n");
901 		return ENOMEM;
902 	}
903 
904 	for (dp = sc->sc_dmas;
905 	    dp && dp->addr != (void *)(ch->sc_dma_ops);
906 	    dp = dp->next)
907 		continue;
908 
909 	if (!dp)
910 		panic("%s: build_dma_ops: where'd my memory go??? "
911 			"address (%p)\n", device_xname(sc->sc_dev),
912 			ch->sc_dma_ops);
913 
914 	ch->sc_dma_op_count = segs;
915 	ch->sc_dma_ops_dma = dp;
916 
917 	return 0;
918 }
919 
920 static void *
auvia_malloc_dmamem(void * addr,int direction,size_t size)921 auvia_malloc_dmamem(void *addr, int direction, size_t size)
922 {
923 	struct auvia_softc *sc;
924 	struct auvia_dma *p;
925 	int error;
926 	int rseg;
927 
928 	p = kmem_alloc(sizeof(*p), KM_SLEEP);
929 	if (p == NULL)
930 		return NULL;
931 	sc = addr;
932 	p->size = size;
933 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
934 				      1, &rseg, BUS_DMA_WAITOK)) != 0) {
935 		aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
936 		goto fail_alloc;
937 	}
938 
939 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
940 				    BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) {
941 		aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n",
942 		       error);
943 		goto fail_map;
944 	}
945 
946 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
947 				       BUS_DMA_WAITOK, &p->map)) != 0) {
948 		aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n",
949 		       error);
950 		goto fail_create;
951 	}
952 
953 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
954 				     BUS_DMA_WAITOK)) != 0) {
955 		aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n",
956 		       error);
957 		goto fail_load;
958 	}
959 
960 	p->next = sc->sc_dmas;
961 	sc->sc_dmas = p;
962 
963 	return p->addr;
964 
965 fail_load:
966 	bus_dmamap_destroy(sc->sc_dmat, p->map);
967 fail_create:
968 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
969 fail_map:
970 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
971 fail_alloc:
972 	kmem_free(p, sizeof(*p));
973 	return NULL;
974 }
975 
976 static void *
auvia_malloc(void * addr,int direction,size_t size)977 auvia_malloc(void *addr, int direction, size_t size)
978 {
979 	struct auvia_softc *sc;
980 	void *p;
981 
982 	sc = addr;
983 
984 	p = auvia_malloc_dmamem(addr, direction, size);
985 	if (p == NULL) {
986 		return NULL;
987 	}
988 	if (auvia_malloc_channel(sc, &sc->sc_play, size) != 0) {
989 		auvia_free(addr, p, size);
990 		return NULL;
991 	}
992 	if (auvia_malloc_channel(sc, &sc->sc_record, size) != 0) {
993 		auvia_free(addr, p, size);
994 		return NULL;
995 	}
996 	return p;
997 }
998 
999 static void
auvia_free(void * addr,void * ptr,size_t size)1000 auvia_free(void *addr, void *ptr, size_t size)
1001 {
1002 	struct auvia_softc *sc;
1003 	struct auvia_dma **pp, *p;
1004 
1005 	sc = addr;
1006 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
1007 		if (p->addr == ptr) {
1008 			bus_dmamap_unload(sc->sc_dmat, p->map);
1009 			bus_dmamap_destroy(sc->sc_dmat, p->map);
1010 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
1011 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
1012 
1013 			*pp = p->next;
1014 			kmem_free(p, sizeof(*p));
1015 			return;
1016 		}
1017 
1018 	panic("auvia_free: trying to free unallocated memory");
1019 }
1020 
1021 static size_t
auvia_round_buffersize(void * addr,int direction,size_t size)1022 auvia_round_buffersize(void *addr, int direction, size_t size)
1023 {
1024 
1025 	return size;
1026 }
1027 
1028 static paddr_t
auvia_mappage(void * addr,void * mem,off_t off,int prot)1029 auvia_mappage(void *addr, void *mem, off_t off, int prot)
1030 {
1031 	struct auvia_softc *sc;
1032 	struct auvia_dma *p;
1033 
1034 	if (off < 0)
1035 		return -1;
1036 	sc = addr;
1037 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
1038 		continue;
1039 
1040 	if (!p)
1041 		return -1;
1042 
1043 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
1044 	    BUS_DMA_WAITOK);
1045 }
1046 
1047 static int
auvia_get_props(void * addr)1048 auvia_get_props(void *addr)
1049 {
1050 	struct auvia_softc *sc;
1051 	int props;
1052 
1053 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1054 	sc = addr;
1055 	/*
1056 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
1057 	 * rate because of aurateconv.  Applications can't know what rate the
1058 	 * device can process in the case of mmap().
1059 	 */
1060 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
1061 		props |= AUDIO_PROP_MMAP;
1062 	return props;
1063 }
1064 
1065 static void
auvia_get_locks(void * addr,kmutex_t ** intr,kmutex_t ** thread)1066 auvia_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1067 {
1068 	struct auvia_softc *sc;
1069 
1070 	sc = addr;
1071 	*intr = &sc->sc_intr_lock;
1072 	*thread = &sc->sc_lock;
1073 }
1074 
1075 static int
auvia_build_dma_ops(struct auvia_softc * sc,struct auvia_softc_chan * ch,struct auvia_dma * p,void * start,void * end,int blksize)1076 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
1077 	struct auvia_dma *p, void *start, void *end, int blksize)
1078 {
1079 	struct auvia_dma_op *op;
1080 	bus_addr_t s;
1081 	size_t l;
1082 
1083 	op = ch->sc_dma_ops;
1084 	s = p->map->dm_segs[0].ds_addr;
1085 	l = ((char *)end - (char *)start);
1086 
1087 	while (l) {
1088 		op->ptr = htole32(s);
1089 		l = l - blksize;
1090 		if (!l) {
1091 			/* if last block */
1092 			op->flags = htole32(AUVIA_DMAOP_EOL | blksize);
1093 		} else {
1094 			op->flags = htole32(AUVIA_DMAOP_FLAG | blksize);
1095 		}
1096 		s += blksize;
1097 		op++;
1098 	}
1099 
1100 	return 0;
1101 }
1102 
1103 
1104 static int
auvia_trigger_output(void * addr,void * start,void * end,int blksize,void (* intr)(void *),void * arg,const audio_params_t * param)1105 auvia_trigger_output(void *addr, void *start, void *end, int blksize,
1106     void (*intr)(void *), void *arg, const audio_params_t *param)
1107 {
1108 	struct auvia_softc *sc;
1109 	struct auvia_softc_chan *ch;
1110 	struct auvia_dma *p;
1111 
1112 	sc = addr;
1113 	ch = &(sc->sc_play);
1114 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
1115 		continue;
1116 
1117 	if (!p)
1118 		panic("auvia_trigger_output: request with bad start "
1119 			"address (%p)", start);
1120 
1121 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
1122 		return 1;
1123 	}
1124 
1125 	ch->sc_intr = intr;
1126 	ch->sc_arg = arg;
1127 
1128 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
1129 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
1130 
1131 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
1132 		if (ch->sc_base != VIA8233_MP_BASE) {
1133 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
1134 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
1135 		}
1136 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
1137 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
1138 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
1139 	} else {
1140 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
1141 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
1142 	}
1143 
1144 	return 0;
1145 }
1146 
1147 static int
auvia_trigger_input(void * addr,void * start,void * end,int blksize,void (* intr)(void *),void * arg,const audio_params_t * param)1148 auvia_trigger_input(void *addr, void *start, void *end, int blksize,
1149     void (*intr)(void *), void *arg, const audio_params_t *param)
1150 {
1151 	struct auvia_softc *sc;
1152 	struct auvia_softc_chan *ch;
1153 	struct auvia_dma *p;
1154 
1155 	sc = addr;
1156 	ch = &(sc->sc_record);
1157 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
1158 		continue;
1159 
1160 	if (!p)
1161 		panic("auvia_trigger_input: request with bad start "
1162 			"address (%p)", start);
1163 
1164 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
1165 		return 1;
1166 	}
1167 
1168 	ch->sc_intr = intr;
1169 	ch->sc_arg = arg;
1170 
1171 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
1172 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
1173 
1174 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
1175 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
1176 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
1177 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
1178 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
1179 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
1180 	} else {
1181 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
1182 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
1183 	}
1184 
1185 	return 0;
1186 }
1187 
1188 static int
auvia_intr(void * arg)1189 auvia_intr(void *arg)
1190 {
1191 	struct auvia_softc *sc;
1192 	struct auvia_softc_chan *ch;
1193 	u_int8_t r;
1194 	int rval;
1195 
1196 	sc = arg;
1197 	rval = 0;
1198 	ch = &sc->sc_record;
1199 
1200 	mutex_spin_enter(&sc->sc_intr_lock);
1201 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
1202 	if (r & AUVIA_RPSTAT_INTR) {
1203 		if (sc->sc_record.sc_intr)
1204 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
1205 
1206 		/* clear interrupts */
1207 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
1208 		rval = 1;
1209 	}
1210 
1211 	ch = &sc->sc_play;
1212 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
1213 	if (r & AUVIA_RPSTAT_INTR) {
1214 		if (sc->sc_play.sc_intr)
1215 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
1216 
1217 		/* clear interrupts */
1218 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
1219 		rval = 1;
1220 	}
1221 	mutex_spin_exit(&sc->sc_intr_lock);
1222 
1223 	return rval;
1224 }
1225 
1226 static bool
auvia_resume(device_t dv,const pmf_qual_t * qual)1227 auvia_resume(device_t dv, const pmf_qual_t *qual)
1228 {
1229 	struct auvia_softc *sc = device_private(dv);
1230 
1231 	mutex_enter(&sc->sc_lock);
1232 	mutex_spin_enter(&sc->sc_intr_lock);
1233 	auvia_reset_codec(sc);
1234 	DELAY(1000);
1235 	mutex_spin_exit(&sc->sc_intr_lock);
1236 	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1237 	mutex_exit(&sc->sc_lock);
1238 
1239 	return true;
1240 }
1241