xref: /netbsd-src/sys/dev/pci/cmpci.c (revision deb6f0161a9109e7de9b519dc8dfb9478668dcdd)
1 /*	$NetBSD: cmpci.c,v 1.50 2017/06/01 02:45:11 chs Exp $	*/
2 
3 /*
4  * Copyright (c) 2000, 2001, 2008 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Takuya SHIOZAKI <tshiozak@NetBSD.org> .
9  *
10  * This code is derived from software contributed to The NetBSD Foundation
11  * by ITOH Yasufumi.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  */
35 
36 /*
37  * C-Media CMI8x38 Audio Chip Support.
38  *
39  * TODO:
40  *   - 4ch / 6ch support.
41  *   - Joystick support.
42  *
43  */
44 
45 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: cmpci.c,v 1.50 2017/06/01 02:45:11 chs Exp $");
47 
48 #if defined(AUDIO_DEBUG) || defined(DEBUG)
49 #define DPRINTF(x) if (cmpcidebug) printf x
50 int cmpcidebug = 0;
51 #else
52 #define DPRINTF(x)
53 #endif
54 
55 #include "mpu.h"
56 
57 #include <sys/param.h>
58 #include <sys/systm.h>
59 #include <sys/kernel.h>
60 #include <sys/kmem.h>
61 #include <sys/device.h>
62 #include <sys/proc.h>
63 
64 #include <dev/pci/pcidevs.h>
65 #include <dev/pci/pcivar.h>
66 
67 #include <sys/audioio.h>
68 #include <dev/audio_if.h>
69 #include <dev/midi_if.h>
70 
71 #include <dev/mulaw.h>
72 #include <dev/auconv.h>
73 #include <dev/pci/cmpcireg.h>
74 #include <dev/pci/cmpcivar.h>
75 
76 #include <dev/ic/mpuvar.h>
77 #include <sys/bus.h>
78 #include <sys/intr.h>
79 
80 /*
81  * Low-level HW interface
82  */
83 static inline uint8_t cmpci_mixerreg_read(struct cmpci_softc *, uint8_t);
84 static inline void cmpci_mixerreg_write(struct cmpci_softc *,
85 	uint8_t, uint8_t);
86 static inline void cmpci_reg_partial_write_1(struct cmpci_softc *, int, int,
87 	unsigned, unsigned);
88 static inline void cmpci_reg_partial_write_4(struct cmpci_softc *, int, int,
89 	uint32_t, uint32_t);
90 static inline void cmpci_reg_set_1(struct cmpci_softc *, int, uint8_t);
91 static inline void cmpci_reg_clear_1(struct cmpci_softc *, int, uint8_t);
92 static inline void cmpci_reg_set_4(struct cmpci_softc *, int, uint32_t);
93 static inline void cmpci_reg_clear_4(struct cmpci_softc *, int, uint32_t);
94 static inline void cmpci_reg_set_reg_misc(struct cmpci_softc *, uint32_t);
95 static inline void cmpci_reg_clear_reg_misc(struct cmpci_softc *, uint32_t);
96 static int cmpci_rate_to_index(int);
97 static inline int cmpci_index_to_rate(int);
98 static inline int cmpci_index_to_divider(int);
99 
100 static int cmpci_adjust(int, int);
101 static void cmpci_set_mixer_gain(struct cmpci_softc *, int);
102 static void cmpci_set_out_ports(struct cmpci_softc *);
103 static int cmpci_set_in_ports(struct cmpci_softc *);
104 
105 
106 /*
107  * autoconf interface
108  */
109 static int cmpci_match(device_t, cfdata_t, void *);
110 static void cmpci_attach(device_t, device_t, void *);
111 
112 CFATTACH_DECL_NEW(cmpci, sizeof (struct cmpci_softc),
113     cmpci_match, cmpci_attach, NULL, NULL);
114 
115 /* interrupt */
116 static int cmpci_intr(void *);
117 
118 
119 /*
120  * DMA stuffs
121  */
122 static int cmpci_alloc_dmamem(struct cmpci_softc *, size_t, void **);
123 static int cmpci_free_dmamem(struct cmpci_softc *, void *, size_t);
124 static struct cmpci_dmanode * cmpci_find_dmamem(struct cmpci_softc *,
125 	void *);
126 
127 
128 /*
129  * interface to machine independent layer
130  */
131 static int cmpci_query_encoding(void *, struct audio_encoding *);
132 static int cmpci_set_params(void *, int, int, audio_params_t *,
133 	audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
134 static int cmpci_round_blocksize(void *, int, int, const audio_params_t *);
135 static int cmpci_halt_output(void *);
136 static int cmpci_halt_input(void *);
137 static int cmpci_getdev(void *, struct audio_device *);
138 static int cmpci_set_port(void *, mixer_ctrl_t *);
139 static int cmpci_get_port(void *, mixer_ctrl_t *);
140 static int cmpci_query_devinfo(void *, mixer_devinfo_t *);
141 static void *cmpci_allocm(void *, int, size_t);
142 static void cmpci_freem(void *, void *, size_t);
143 static size_t cmpci_round_buffersize(void *, int, size_t);
144 static paddr_t cmpci_mappage(void *, void *, off_t, int);
145 static int cmpci_get_props(void *);
146 static int cmpci_trigger_output(void *, void *, void *, int,
147 	void (*)(void *), void *, const audio_params_t *);
148 static int cmpci_trigger_input(void *, void *, void *, int,
149 	void (*)(void *), void *, const audio_params_t *);
150 static void cmpci_get_locks(void *, kmutex_t **, kmutex_t **);
151 
152 static const struct audio_hw_if cmpci_hw_if = {
153 	NULL,			/* open */
154 	NULL,			/* close */
155 	NULL,			/* drain */
156 	cmpci_query_encoding,	/* query_encoding */
157 	cmpci_set_params,	/* set_params */
158 	cmpci_round_blocksize,	/* round_blocksize */
159 	NULL,			/* commit_settings */
160 	NULL,			/* init_output */
161 	NULL,			/* init_input */
162 	NULL,			/* start_output */
163 	NULL,			/* start_input */
164 	cmpci_halt_output,	/* halt_output */
165 	cmpci_halt_input,	/* halt_input */
166 	NULL,			/* speaker_ctl */
167 	cmpci_getdev,		/* getdev */
168 	NULL,			/* setfd */
169 	cmpci_set_port,		/* set_port */
170 	cmpci_get_port,		/* get_port */
171 	cmpci_query_devinfo,	/* query_devinfo */
172 	cmpci_allocm,		/* allocm */
173 	cmpci_freem,		/* freem */
174 	cmpci_round_buffersize,/* round_buffersize */
175 	cmpci_mappage,		/* mappage */
176 	cmpci_get_props,	/* get_props */
177 	cmpci_trigger_output,	/* trigger_output */
178 	cmpci_trigger_input,	/* trigger_input */
179 	NULL,			/* dev_ioctl */
180 	cmpci_get_locks,	/* get_locks */
181 };
182 
183 #define CMPCI_NFORMATS	4
184 static const struct audio_format cmpci_formats[CMPCI_NFORMATS] = {
185 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
186 	 2, AUFMT_STEREO, 0, {5512, 48000}},
187 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
188 	 1, AUFMT_MONAURAL, 0, {5512, 48000}},
189 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
190 	 2, AUFMT_STEREO, 0, {5512, 48000}},
191 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
192 	 1, AUFMT_MONAURAL, 0, {5512, 48000}},
193 };
194 
195 
196 /*
197  * Low-level HW interface
198  */
199 
200 /* mixer register read/write */
201 static inline uint8_t
202 cmpci_mixerreg_read(struct cmpci_softc *sc, uint8_t no)
203 {
204 	uint8_t ret;
205 
206 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no);
207 	delay(10);
208 	ret = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA);
209 	delay(10);
210 	return ret;
211 }
212 
213 static inline void
214 cmpci_mixerreg_write(struct cmpci_softc *sc, uint8_t no, uint8_t val)
215 {
216 
217 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no);
218 	delay(10);
219 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA, val);
220 	delay(10);
221 }
222 
223 
224 /* register partial write */
225 static inline void
226 cmpci_reg_partial_write_1(struct cmpci_softc *sc, int no, int shift,
227 			  unsigned mask, unsigned val)
228 {
229 
230 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
231 	    (val<<shift) |
232 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) & ~(mask<<shift)));
233 	delay(10);
234 }
235 
236 static inline void
237 cmpci_reg_partial_write_4(struct cmpci_softc *sc, int no, int shift,
238 			  uint32_t mask, uint32_t val)
239 {
240 
241 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
242 	    (val<<shift) |
243 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) & ~(mask<<shift)));
244 	delay(10);
245 }
246 
247 /* register set/clear bit */
248 static inline void
249 cmpci_reg_set_1(struct cmpci_softc *sc, int no, uint8_t mask)
250 {
251 
252 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
253 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) | mask));
254 	delay(10);
255 }
256 
257 static inline void
258 cmpci_reg_clear_1(struct cmpci_softc *sc, int no, uint8_t mask)
259 {
260 
261 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
262 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) & ~mask));
263 	delay(10);
264 }
265 
266 static inline void
267 cmpci_reg_set_4(struct cmpci_softc *sc, int no, uint32_t mask)
268 {
269 
270 	/* use cmpci_reg_set_reg_misc() for CMPCI_REG_MISC */
271 	KDASSERT(no != CMPCI_REG_MISC);
272 
273 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
274 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) | mask));
275 	delay(10);
276 }
277 
278 static inline void
279 cmpci_reg_clear_4(struct cmpci_softc *sc, int no, uint32_t mask)
280 {
281 
282 	/* use cmpci_reg_clear_reg_misc() for CMPCI_REG_MISC */
283 	KDASSERT(no != CMPCI_REG_MISC);
284 
285 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
286 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) & ~mask));
287 	delay(10);
288 }
289 
290 /*
291  * The CMPCI_REG_MISC register needs special handling, since one of
292  * its bits has different read/write values.
293  */
294 static inline void
295 cmpci_reg_set_reg_misc(struct cmpci_softc *sc, uint32_t mask)
296 {
297 
298 	sc->sc_reg_misc |= mask;
299 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_MISC,
300 	    sc->sc_reg_misc);
301 	delay(10);
302 }
303 
304 static inline void
305 cmpci_reg_clear_reg_misc(struct cmpci_softc *sc, uint32_t mask)
306 {
307 
308 	sc->sc_reg_misc &= ~mask;
309 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_MISC,
310 	    sc->sc_reg_misc);
311 	delay(10);
312 }
313 
314 /* rate */
315 static const struct {
316 	int rate;
317 	int divider;
318 } cmpci_rate_table[CMPCI_REG_NUMRATE] = {
319 #define _RATE(n) { n, CMPCI_REG_RATE_ ## n }
320 	_RATE(5512),
321 	_RATE(8000),
322 	_RATE(11025),
323 	_RATE(16000),
324 	_RATE(22050),
325 	_RATE(32000),
326 	_RATE(44100),
327 	_RATE(48000)
328 #undef	_RATE
329 };
330 
331 static int
332 cmpci_rate_to_index(int rate)
333 {
334 	int i;
335 
336 	for (i = 0; i < CMPCI_REG_NUMRATE - 1; i++)
337 		if (rate <=
338 		    (cmpci_rate_table[i].rate+cmpci_rate_table[i+1].rate) / 2)
339 			return i;
340 	return i;  /* 48000 */
341 }
342 
343 static inline int
344 cmpci_index_to_rate(int index)
345 {
346 
347 	return cmpci_rate_table[index].rate;
348 }
349 
350 static inline int
351 cmpci_index_to_divider(int index)
352 {
353 
354 	return cmpci_rate_table[index].divider;
355 }
356 
357 /*
358  * interface to configure the device.
359  */
360 static int
361 cmpci_match(device_t parent, cfdata_t match, void *aux)
362 {
363 	struct pci_attach_args *pa;
364 
365 	pa = (struct pci_attach_args *)aux;
366 	if ( PCI_VENDOR(pa->pa_id) == PCI_VENDOR_CMEDIA &&
367 	     (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338A ||
368 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338B ||
369 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8738 ||
370 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8738B) )
371 		return 1;
372 
373 	return 0;
374 }
375 
376 static void
377 cmpci_attach(device_t parent, device_t self, void *aux)
378 {
379 	struct cmpci_softc *sc;
380 	struct pci_attach_args *pa;
381 	struct audio_attach_args aa;
382 	pci_intr_handle_t ih;
383 	char const *strintr;
384 	int i, v;
385 	char intrbuf[PCI_INTRSTR_LEN];
386 
387 	sc = device_private(self);
388 	sc->sc_dev = self;
389 	pa = (struct pci_attach_args *)aux;
390 
391 	sc->sc_id = pa->pa_id;
392 	sc->sc_class = pa->pa_class;
393 	pci_aprint_devinfo(pa, "Audio controller");
394 	switch (PCI_PRODUCT(sc->sc_id)) {
395 	case PCI_PRODUCT_CMEDIA_CMI8338A:
396 		/*FALLTHROUGH*/
397 	case PCI_PRODUCT_CMEDIA_CMI8338B:
398 		sc->sc_capable = CMPCI_CAP_CMI8338;
399 		break;
400 	case PCI_PRODUCT_CMEDIA_CMI8738:
401 		/*FALLTHROUGH*/
402 	case PCI_PRODUCT_CMEDIA_CMI8738B:
403 		sc->sc_capable = CMPCI_CAP_CMI8738;
404 		break;
405 	}
406 
407 	/* map I/O space */
408 	if (pci_mapreg_map(pa, CMPCI_PCI_IOBASEREG, PCI_MAPREG_TYPE_IO, 0,
409 		&sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
410 		aprint_error_dev(sc->sc_dev, "failed to map I/O space\n");
411 		return;
412 	}
413 
414 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
415 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
416 
417 	/* interrupt */
418 	if (pci_intr_map(pa, &ih)) {
419 		aprint_error_dev(sc->sc_dev, "failed to map interrupt\n");
420 		return;
421 	}
422 	strintr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf));
423 	sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, cmpci_intr,
424 	    sc);
425 	if (sc->sc_ih == NULL) {
426 		aprint_error_dev(sc->sc_dev, "failed to establish interrupt");
427 		if (strintr != NULL)
428 			aprint_error(" at %s", strintr);
429 		aprint_error("\n");
430 		mutex_destroy(&sc->sc_lock);
431 		mutex_destroy(&sc->sc_intr_lock);
432 		return;
433 	}
434 	aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", strintr);
435 
436 	sc->sc_dmat = pa->pa_dmat;
437 
438 	audio_attach_mi(&cmpci_hw_if, sc, sc->sc_dev);
439 
440 	/* attach OPL device */
441 	aa.type = AUDIODEV_TYPE_OPL;
442 	aa.hwif = NULL;
443 	aa.hdl = NULL;
444 	(void)config_found(sc->sc_dev, &aa, audioprint);
445 
446 	/* attach MPU-401 device */
447 	aa.type = AUDIODEV_TYPE_MPU;
448 	aa.hwif = NULL;
449 	aa.hdl = NULL;
450 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
451 	    CMPCI_REG_MPU_BASE, CMPCI_REG_MPU_SIZE, &sc->sc_mpu_ioh) == 0)
452 		sc->sc_mpudev = config_found(sc->sc_dev, &aa, audioprint);
453 
454 	/* get initial value (this is 0 and may be omitted but just in case) */
455 	sc->sc_reg_misc = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
456 	    CMPCI_REG_MISC) & ~CMPCI_REG_SPDIF48K;
457 
458 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_RESET, 0);
459 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, 0);
460 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, 0);
461 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX,
462 	    CMPCI_SB16_SW_CD|CMPCI_SB16_SW_MIC | CMPCI_SB16_SW_LINE);
463 	for (i = 0; i < CMPCI_NDEVS; i++) {
464 		switch (i) {
465 		/*
466 		 * CMI8738 defaults are
467 		 *  master:	0xe0	(0x00 - 0xf8)
468 		 *  FM, DAC:	0xc0	(0x00 - 0xf8)
469 		 *  PC speaker:	0x80	(0x00 - 0xc0)
470 		 *  others:	0
471 		 */
472 		/* volume */
473 		case CMPCI_MASTER_VOL:
474 			v = 128;	/* 224 */
475 			break;
476 		case CMPCI_FM_VOL:
477 		case CMPCI_DAC_VOL:
478 			v = 192;
479 			break;
480 		case CMPCI_PCSPEAKER:
481 			v = 128;
482 			break;
483 
484 		/* booleans, set to true */
485 		case CMPCI_CD_MUTE:
486 		case CMPCI_MIC_MUTE:
487 		case CMPCI_LINE_IN_MUTE:
488 		case CMPCI_AUX_IN_MUTE:
489 			v = 1;
490 			break;
491 
492 		/* volume with inital value 0 */
493 		case CMPCI_CD_VOL:
494 		case CMPCI_LINE_IN_VOL:
495 		case CMPCI_AUX_IN_VOL:
496 		case CMPCI_MIC_VOL:
497 		case CMPCI_MIC_RECVOL:
498 			/* FALLTHROUGH */
499 
500 		/* others are cleared */
501 		case CMPCI_MIC_PREAMP:
502 		case CMPCI_RECORD_SOURCE:
503 		case CMPCI_PLAYBACK_MODE:
504 		case CMPCI_SPDIF_IN_SELECT:
505 		case CMPCI_SPDIF_IN_PHASE:
506 		case CMPCI_SPDIF_LOOP:
507 		case CMPCI_SPDIF_OUT_PLAYBACK:
508 		case CMPCI_SPDIF_OUT_VOLTAGE:
509 		case CMPCI_MONITOR_DAC:
510 		case CMPCI_REAR:
511 		case CMPCI_INDIVIDUAL:
512 		case CMPCI_REVERSE:
513 		case CMPCI_SURROUND:
514 		default:
515 			v = 0;
516 			break;
517 		}
518 		sc->sc_gain[i][CMPCI_LEFT] = sc->sc_gain[i][CMPCI_RIGHT] = v;
519 		cmpci_set_mixer_gain(sc, i);
520 	}
521 }
522 
523 static int
524 cmpci_intr(void *handle)
525 {
526 	struct cmpci_softc *sc = handle;
527 #if NMPU > 0
528 	struct mpu_softc *sc_mpu = device_private(sc->sc_mpudev);
529 #endif
530 	uint32_t intrstat;
531 
532 	mutex_spin_enter(&sc->sc_intr_lock);
533 
534 	intrstat = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
535 	    CMPCI_REG_INTR_STATUS);
536 
537 	if (!(intrstat & CMPCI_REG_ANY_INTR)) {
538 		mutex_spin_exit(&sc->sc_intr_lock);
539 		return 0;
540 	}
541 
542 	delay(10);
543 
544 	/* disable and reset intr */
545 	if (intrstat & CMPCI_REG_CH0_INTR)
546 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
547 		   CMPCI_REG_CH0_INTR_ENABLE);
548 	if (intrstat & CMPCI_REG_CH1_INTR)
549 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
550 		    CMPCI_REG_CH1_INTR_ENABLE);
551 
552 	if (intrstat & CMPCI_REG_CH0_INTR) {
553 		if (sc->sc_play.intr != NULL)
554 			(*sc->sc_play.intr)(sc->sc_play.intr_arg);
555 	}
556 	if (intrstat & CMPCI_REG_CH1_INTR) {
557 		if (sc->sc_rec.intr != NULL)
558 			(*sc->sc_rec.intr)(sc->sc_rec.intr_arg);
559 	}
560 
561 	/* enable intr */
562 	if (intrstat & CMPCI_REG_CH0_INTR)
563 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
564 		    CMPCI_REG_CH0_INTR_ENABLE);
565 	if (intrstat & CMPCI_REG_CH1_INTR)
566 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
567 		    CMPCI_REG_CH1_INTR_ENABLE);
568 
569 #if NMPU > 0
570 	if (intrstat & CMPCI_REG_UART_INTR && sc_mpu != NULL)
571 		mpu_intr(sc_mpu);
572 #endif
573 
574 	mutex_spin_exit(&sc->sc_intr_lock);
575 	return 1;
576 }
577 
578 static int
579 cmpci_query_encoding(void *handle, struct audio_encoding *fp)
580 {
581 
582 	switch (fp->index) {
583 	case 0:
584 		strcpy(fp->name, AudioEulinear);
585 		fp->encoding = AUDIO_ENCODING_ULINEAR;
586 		fp->precision = 8;
587 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
588 		break;
589 	case 1:
590 		strcpy(fp->name, AudioEmulaw);
591 		fp->encoding = AUDIO_ENCODING_ULAW;
592 		fp->precision = 8;
593 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
594 		break;
595 	case 2:
596 		strcpy(fp->name, AudioEalaw);
597 		fp->encoding = AUDIO_ENCODING_ALAW;
598 		fp->precision = 8;
599 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
600 		break;
601 	case 3:
602 		strcpy(fp->name, AudioEslinear);
603 		fp->encoding = AUDIO_ENCODING_SLINEAR;
604 		fp->precision = 8;
605 		fp->flags = 0;
606 		break;
607 	case 4:
608 		strcpy(fp->name, AudioEslinear_le);
609 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
610 		fp->precision = 16;
611 		fp->flags = 0;
612 		break;
613 	case 5:
614 		strcpy(fp->name, AudioEulinear_le);
615 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
616 		fp->precision = 16;
617 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
618 		break;
619 	case 6:
620 		strcpy(fp->name, AudioEslinear_be);
621 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
622 		fp->precision = 16;
623 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
624 		break;
625 	case 7:
626 		strcpy(fp->name, AudioEulinear_be);
627 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
628 		fp->precision = 16;
629 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
630 		break;
631 	default:
632 		return EINVAL;
633 	}
634 	return 0;
635 }
636 
637 
638 static int
639 cmpci_set_params(void *handle, int setmode, int usemode,
640     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
641     stream_filter_list_t *rfil)
642 {
643 	int i;
644 	struct cmpci_softc *sc;
645 
646 	sc = handle;
647 	for (i = 0; i < 2; i++) {
648 		int md_format;
649 		int md_divide;
650 		int md_index;
651 		int mode;
652 		audio_params_t *p;
653 		stream_filter_list_t *fil;
654 		int ind;
655 
656 		switch (i) {
657 		case 0:
658 			mode = AUMODE_PLAY;
659 			p = play;
660 			fil = pfil;
661 			break;
662 		case 1:
663 			mode = AUMODE_RECORD;
664 			p = rec;
665 			fil = rfil;
666 			break;
667 		default:
668 			return EINVAL;
669 		}
670 
671 		if (!(setmode & mode))
672 			continue;
673 
674 		md_index = cmpci_rate_to_index(p->sample_rate);
675 		md_divide = cmpci_index_to_divider(md_index);
676 		p->sample_rate = cmpci_index_to_rate(md_index);
677 		DPRINTF(("%s: sample:%u, divider=%d\n",
678 			 device_xname(sc->sc_dev), p->sample_rate, md_divide));
679 
680 		ind = auconv_set_converter(cmpci_formats, CMPCI_NFORMATS,
681 					   mode, p, FALSE, fil);
682 		if (ind < 0)
683 			return EINVAL;
684 		if (fil->req_size > 0)
685 			p = &fil->filters[0].param;
686 
687 		/* format */
688 		md_format = p->channels == 1
689 			? CMPCI_REG_FORMAT_MONO : CMPCI_REG_FORMAT_STEREO;
690 		md_format |= p->precision == 16
691 			? CMPCI_REG_FORMAT_16BIT : CMPCI_REG_FORMAT_8BIT;
692 		if (mode & AUMODE_PLAY) {
693 			cmpci_reg_partial_write_4(sc,
694 			   CMPCI_REG_CHANNEL_FORMAT,
695 			   CMPCI_REG_CH0_FORMAT_SHIFT,
696 			   CMPCI_REG_CH0_FORMAT_MASK, md_format);
697 			cmpci_reg_partial_write_4(sc,
698 			    CMPCI_REG_FUNC_1, CMPCI_REG_DAC_FS_SHIFT,
699 			    CMPCI_REG_DAC_FS_MASK, md_divide);
700 			sc->sc_play.md_divide = md_divide;
701 		} else {
702 			cmpci_reg_partial_write_4(sc,
703 			   CMPCI_REG_CHANNEL_FORMAT,
704 			   CMPCI_REG_CH1_FORMAT_SHIFT,
705 			   CMPCI_REG_CH1_FORMAT_MASK, md_format);
706 			cmpci_reg_partial_write_4(sc,
707 			    CMPCI_REG_FUNC_1, CMPCI_REG_ADC_FS_SHIFT,
708 			    CMPCI_REG_ADC_FS_MASK, md_divide);
709 			sc->sc_rec.md_divide = md_divide;
710 		}
711 		cmpci_set_out_ports(sc);
712 		cmpci_set_in_ports(sc);
713 	}
714 	return 0;
715 }
716 
717 /* ARGSUSED */
718 static int
719 cmpci_round_blocksize(void *handle, int block,
720     int mode, const audio_params_t *param)
721 {
722 
723 	return block & -4;
724 }
725 
726 static int
727 cmpci_halt_output(void *handle)
728 {
729 	struct cmpci_softc *sc;
730 
731 	sc = handle;
732 	sc->sc_play.intr = NULL;
733 	cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE);
734 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE);
735 	/* wait for reset DMA */
736 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
737 	delay(10);
738 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
739 
740 	return 0;
741 }
742 
743 static int
744 cmpci_halt_input(void *handle)
745 {
746 	struct cmpci_softc *sc;
747 
748 	sc = handle;
749 	sc->sc_rec.intr = NULL;
750 	cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE);
751 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE);
752 	/* wait for reset DMA */
753 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET);
754 	delay(10);
755 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET);
756 
757 	return 0;
758 }
759 
760 /* get audio device information */
761 static int
762 cmpci_getdev(void *handle, struct audio_device *ad)
763 {
764 	struct cmpci_softc *sc;
765 
766 	sc = handle;
767 	strncpy(ad->name, "CMI PCI Audio", sizeof(ad->name));
768 	snprintf(ad->version, sizeof(ad->version), "0x%02x",
769 		 PCI_REVISION(sc->sc_class));
770 	switch (PCI_PRODUCT(sc->sc_id)) {
771 	case PCI_PRODUCT_CMEDIA_CMI8338A:
772 		strncpy(ad->config, "CMI8338A", sizeof(ad->config));
773 		break;
774 	case PCI_PRODUCT_CMEDIA_CMI8338B:
775 		strncpy(ad->config, "CMI8338B", sizeof(ad->config));
776 		break;
777 	case PCI_PRODUCT_CMEDIA_CMI8738:
778 		strncpy(ad->config, "CMI8738", sizeof(ad->config));
779 		break;
780 	case PCI_PRODUCT_CMEDIA_CMI8738B:
781 		strncpy(ad->config, "CMI8738B", sizeof(ad->config));
782 		break;
783 	default:
784 		strncpy(ad->config, "unknown", sizeof(ad->config));
785 	}
786 
787 	return 0;
788 }
789 
790 /* mixer device information */
791 int
792 cmpci_query_devinfo(void *handle, mixer_devinfo_t *dip)
793 {
794 	static const char *const mixer_port_names[] = {
795 		AudioNdac, AudioNfmsynth, AudioNcd, AudioNline, AudioNaux,
796 		AudioNmicrophone
797 	};
798 	static const char *const mixer_classes[] = {
799 		AudioCinputs, AudioCoutputs, AudioCrecord, CmpciCplayback,
800 		CmpciCspdif
801 	};
802 	struct cmpci_softc *sc;
803 	int i;
804 
805 	sc = handle;
806 	dip->prev = dip->next = AUDIO_MIXER_LAST;
807 
808 	switch (dip->index) {
809 	case CMPCI_INPUT_CLASS:
810 	case CMPCI_OUTPUT_CLASS:
811 	case CMPCI_RECORD_CLASS:
812 	case CMPCI_PLAYBACK_CLASS:
813 	case CMPCI_SPDIF_CLASS:
814 		dip->type = AUDIO_MIXER_CLASS;
815 		dip->mixer_class = dip->index;
816 		strcpy(dip->label.name,
817 		    mixer_classes[dip->index - CMPCI_INPUT_CLASS]);
818 		return 0;
819 
820 	case CMPCI_AUX_IN_VOL:
821 		dip->un.v.delta = 1 << (8 - CMPCI_REG_AUX_VALBITS);
822 		goto vol1;
823 	case CMPCI_DAC_VOL:
824 	case CMPCI_FM_VOL:
825 	case CMPCI_CD_VOL:
826 	case CMPCI_LINE_IN_VOL:
827 	case CMPCI_MIC_VOL:
828 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_VALBITS);
829 	vol1:	dip->mixer_class = CMPCI_INPUT_CLASS;
830 		dip->next = dip->index + 6;	/* CMPCI_xxx_MUTE */
831 		strcpy(dip->label.name, mixer_port_names[dip->index]);
832 		dip->un.v.num_channels = (dip->index == CMPCI_MIC_VOL ? 1 : 2);
833 	vol:
834 		dip->type = AUDIO_MIXER_VALUE;
835 		strcpy(dip->un.v.units.name, AudioNvolume);
836 		return 0;
837 
838 	case CMPCI_MIC_MUTE:
839 		dip->next = CMPCI_MIC_PREAMP;
840 		/* FALLTHROUGH */
841 	case CMPCI_DAC_MUTE:
842 	case CMPCI_FM_MUTE:
843 	case CMPCI_CD_MUTE:
844 	case CMPCI_LINE_IN_MUTE:
845 	case CMPCI_AUX_IN_MUTE:
846 		dip->prev = dip->index - 6;	/* CMPCI_xxx_VOL */
847 		dip->mixer_class = CMPCI_INPUT_CLASS;
848 		strcpy(dip->label.name, AudioNmute);
849 		goto on_off;
850 	on_off:
851 		dip->type = AUDIO_MIXER_ENUM;
852 		dip->un.e.num_mem = 2;
853 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
854 		dip->un.e.member[0].ord = 0;
855 		strcpy(dip->un.e.member[1].label.name, AudioNon);
856 		dip->un.e.member[1].ord = 1;
857 		return 0;
858 
859 	case CMPCI_MIC_PREAMP:
860 		dip->mixer_class = CMPCI_INPUT_CLASS;
861 		dip->prev = CMPCI_MIC_MUTE;
862 		strcpy(dip->label.name, AudioNpreamp);
863 		goto on_off;
864 	case CMPCI_PCSPEAKER:
865 		dip->mixer_class = CMPCI_INPUT_CLASS;
866 		strcpy(dip->label.name, AudioNspeaker);
867 		dip->un.v.num_channels = 1;
868 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_SPEAKER_VALBITS);
869 		goto vol;
870 	case CMPCI_RECORD_SOURCE:
871 		dip->mixer_class = CMPCI_RECORD_CLASS;
872 		strcpy(dip->label.name, AudioNsource);
873 		dip->type = AUDIO_MIXER_SET;
874 		dip->un.s.num_mem = 7;
875 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
876 		dip->un.s.member[0].mask = CMPCI_RECORD_SOURCE_MIC;
877 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
878 		dip->un.s.member[1].mask = CMPCI_RECORD_SOURCE_CD;
879 		strcpy(dip->un.s.member[2].label.name, AudioNline);
880 		dip->un.s.member[2].mask = CMPCI_RECORD_SOURCE_LINE_IN;
881 		strcpy(dip->un.s.member[3].label.name, AudioNaux);
882 		dip->un.s.member[3].mask = CMPCI_RECORD_SOURCE_AUX_IN;
883 		strcpy(dip->un.s.member[4].label.name, AudioNwave);
884 		dip->un.s.member[4].mask = CMPCI_RECORD_SOURCE_WAVE;
885 		strcpy(dip->un.s.member[5].label.name, AudioNfmsynth);
886 		dip->un.s.member[5].mask = CMPCI_RECORD_SOURCE_FM;
887 		strcpy(dip->un.s.member[6].label.name, CmpciNspdif);
888 		dip->un.s.member[6].mask = CMPCI_RECORD_SOURCE_SPDIF;
889 		return 0;
890 	case CMPCI_MIC_RECVOL:
891 		dip->mixer_class = CMPCI_RECORD_CLASS;
892 		strcpy(dip->label.name, AudioNmicrophone);
893 		dip->un.v.num_channels = 1;
894 		dip->un.v.delta = 1 << (8 - CMPCI_REG_ADMIC_VALBITS);
895 		goto vol;
896 
897 	case CMPCI_PLAYBACK_MODE:
898 		dip->mixer_class = CMPCI_PLAYBACK_CLASS;
899 		dip->type = AUDIO_MIXER_ENUM;
900 		strcpy(dip->label.name, AudioNmode);
901 		dip->un.e.num_mem = 2;
902 		strcpy(dip->un.e.member[0].label.name, AudioNdac);
903 		dip->un.e.member[0].ord = CMPCI_PLAYBACK_MODE_WAVE;
904 		strcpy(dip->un.e.member[1].label.name, CmpciNspdif);
905 		dip->un.e.member[1].ord = CMPCI_PLAYBACK_MODE_SPDIF;
906 		return 0;
907 	case CMPCI_SPDIF_IN_SELECT:
908 		dip->mixer_class = CMPCI_SPDIF_CLASS;
909 		dip->type = AUDIO_MIXER_ENUM;
910 		dip->next = CMPCI_SPDIF_IN_PHASE;
911 		strcpy(dip->label.name, AudioNinput);
912 		i = 0;
913 		strcpy(dip->un.e.member[i].label.name, CmpciNspdin1);
914 		dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDIN1;
915 		if (CMPCI_ISCAP(sc, 2ND_SPDIN)) {
916 			strcpy(dip->un.e.member[i].label.name, CmpciNspdin2);
917 			dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDIN2;
918 		}
919 		strcpy(dip->un.e.member[i].label.name, CmpciNspdout);
920 		dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDOUT;
921 		dip->un.e.num_mem = i;
922 		return 0;
923 	case CMPCI_SPDIF_IN_PHASE:
924 		dip->mixer_class = CMPCI_SPDIF_CLASS;
925 		dip->prev = CMPCI_SPDIF_IN_SELECT;
926 		strcpy(dip->label.name, CmpciNphase);
927 		dip->type = AUDIO_MIXER_ENUM;
928 		dip->un.e.num_mem = 2;
929 		strcpy(dip->un.e.member[0].label.name, CmpciNpositive);
930 		dip->un.e.member[0].ord = CMPCI_SPDIF_IN_PHASE_POSITIVE;
931 		strcpy(dip->un.e.member[1].label.name, CmpciNnegative);
932 		dip->un.e.member[1].ord = CMPCI_SPDIF_IN_PHASE_NEGATIVE;
933 		return 0;
934 	case CMPCI_SPDIF_LOOP:
935 		dip->mixer_class = CMPCI_SPDIF_CLASS;
936 		dip->next = CMPCI_SPDIF_OUT_PLAYBACK;
937 		strcpy(dip->label.name, AudioNoutput);
938 		dip->type = AUDIO_MIXER_ENUM;
939 		dip->un.e.num_mem = 2;
940 		strcpy(dip->un.e.member[0].label.name, CmpciNplayback);
941 		dip->un.e.member[0].ord = CMPCI_SPDIF_LOOP_OFF;
942 		strcpy(dip->un.e.member[1].label.name, CmpciNspdin);
943 		dip->un.e.member[1].ord = CMPCI_SPDIF_LOOP_ON;
944 		return 0;
945 	case CMPCI_SPDIF_OUT_PLAYBACK:
946 		dip->mixer_class = CMPCI_SPDIF_CLASS;
947 		dip->prev = CMPCI_SPDIF_LOOP;
948 		dip->next = CMPCI_SPDIF_OUT_VOLTAGE;
949 		strcpy(dip->label.name, CmpciNplayback);
950 		dip->type = AUDIO_MIXER_ENUM;
951 		dip->un.e.num_mem = 2;
952 		strcpy(dip->un.e.member[0].label.name, AudioNwave);
953 		dip->un.e.member[0].ord = CMPCI_SPDIF_OUT_PLAYBACK_WAVE;
954 		strcpy(dip->un.e.member[1].label.name, CmpciNlegacy);
955 		dip->un.e.member[1].ord = CMPCI_SPDIF_OUT_PLAYBACK_LEGACY;
956 		return 0;
957 	case CMPCI_SPDIF_OUT_VOLTAGE:
958 		dip->mixer_class = CMPCI_SPDIF_CLASS;
959 		dip->prev = CMPCI_SPDIF_OUT_PLAYBACK;
960 		strcpy(dip->label.name, CmpciNvoltage);
961 		dip->type = AUDIO_MIXER_ENUM;
962 		dip->un.e.num_mem = 2;
963 		strcpy(dip->un.e.member[0].label.name, CmpciNhigh_v);
964 		dip->un.e.member[0].ord = CMPCI_SPDIF_OUT_VOLTAGE_HIGH;
965 		strcpy(dip->un.e.member[1].label.name, CmpciNlow_v);
966 		dip->un.e.member[1].ord = CMPCI_SPDIF_OUT_VOLTAGE_LOW;
967 		return 0;
968 	case CMPCI_MONITOR_DAC:
969 		dip->mixer_class = CMPCI_SPDIF_CLASS;
970 		strcpy(dip->label.name, AudioNmonitor);
971 		dip->type = AUDIO_MIXER_ENUM;
972 		dip->un.e.num_mem = 3;
973 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
974 		dip->un.e.member[0].ord = CMPCI_MONITOR_DAC_OFF;
975 		strcpy(dip->un.e.member[1].label.name, CmpciNspdin);
976 		dip->un.e.member[1].ord = CMPCI_MONITOR_DAC_SPDIN;
977 		strcpy(dip->un.e.member[2].label.name, CmpciNspdout);
978 		dip->un.e.member[2].ord = CMPCI_MONITOR_DAC_SPDOUT;
979 		return 0;
980 
981 	case CMPCI_MASTER_VOL:
982 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
983 		strcpy(dip->label.name, AudioNmaster);
984 		dip->un.v.num_channels = 2;
985 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_VALBITS);
986 		goto vol;
987 	case CMPCI_REAR:
988 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
989 		dip->next = CMPCI_INDIVIDUAL;
990 		strcpy(dip->label.name, CmpciNrear);
991 		goto on_off;
992 	case CMPCI_INDIVIDUAL:
993 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
994 		dip->prev = CMPCI_REAR;
995 		dip->next = CMPCI_REVERSE;
996 		strcpy(dip->label.name, CmpciNindividual);
997 		goto on_off;
998 	case CMPCI_REVERSE:
999 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1000 		dip->prev = CMPCI_INDIVIDUAL;
1001 		strcpy(dip->label.name, CmpciNreverse);
1002 		goto on_off;
1003 	case CMPCI_SURROUND:
1004 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1005 		strcpy(dip->label.name, CmpciNsurround);
1006 		goto on_off;
1007 	}
1008 
1009 	return ENXIO;
1010 }
1011 
1012 static int
1013 cmpci_alloc_dmamem(struct cmpci_softc *sc, size_t size, void **r_addr)
1014 {
1015 	int error;
1016 	struct cmpci_dmanode *n;
1017 
1018 	error = 0;
1019 	n = kmem_alloc(sizeof(*n), KM_SLEEP);
1020 
1021 #define CMPCI_DMABUF_ALIGN    0x4
1022 #define CMPCI_DMABUF_BOUNDARY 0x0
1023 	n->cd_tag = sc->sc_dmat;
1024 	n->cd_size = size;
1025 	error = bus_dmamem_alloc(n->cd_tag, n->cd_size,
1026 	    CMPCI_DMABUF_ALIGN, CMPCI_DMABUF_BOUNDARY, n->cd_segs,
1027 	    sizeof(n->cd_segs)/sizeof(n->cd_segs[0]), &n->cd_nsegs,
1028 	    BUS_DMA_WAITOK);
1029 	if (error)
1030 		goto mfree;
1031 	error = bus_dmamem_map(n->cd_tag, n->cd_segs, n->cd_nsegs, n->cd_size,
1032 	    &n->cd_addr, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
1033 	if (error)
1034 		goto dmafree;
1035 	error = bus_dmamap_create(n->cd_tag, n->cd_size, 1, n->cd_size, 0,
1036 	    BUS_DMA_WAITOK, &n->cd_map);
1037 	if (error)
1038 		goto unmap;
1039 	error = bus_dmamap_load(n->cd_tag, n->cd_map, n->cd_addr, n->cd_size,
1040 	    NULL, BUS_DMA_WAITOK);
1041 	if (error)
1042 		goto destroy;
1043 
1044 	n->cd_next = sc->sc_dmap;
1045 	sc->sc_dmap = n;
1046 	*r_addr = KVADDR(n);
1047 	return 0;
1048 
1049  destroy:
1050 	bus_dmamap_destroy(n->cd_tag, n->cd_map);
1051  unmap:
1052 	bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1053  dmafree:
1054 	bus_dmamem_free(n->cd_tag,
1055 			n->cd_segs, sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1056  mfree:
1057 	kmem_free(n, sizeof(*n));
1058 	return error;
1059 }
1060 
1061 static int
1062 cmpci_free_dmamem(struct cmpci_softc *sc, void *addr, size_t size)
1063 {
1064 	struct cmpci_dmanode **nnp;
1065 
1066 	for (nnp = &sc->sc_dmap; *nnp; nnp= &(*nnp)->cd_next) {
1067 		if ((*nnp)->cd_addr == addr) {
1068 			struct cmpci_dmanode *n = *nnp;
1069 			bus_dmamap_unload(n->cd_tag, n->cd_map);
1070 			bus_dmamap_destroy(n->cd_tag, n->cd_map);
1071 			bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1072 			bus_dmamem_free(n->cd_tag, n->cd_segs,
1073 			    sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1074 			kmem_free(n, sizeof(*n));
1075 			return 0;
1076 		}
1077 	}
1078 	return -1;
1079 }
1080 
1081 static struct cmpci_dmanode *
1082 cmpci_find_dmamem(struct cmpci_softc *sc, void *addr)
1083 {
1084 	struct cmpci_dmanode *p;
1085 
1086 	for (p = sc->sc_dmap; p; p = p->cd_next)
1087 		if (KVADDR(p) == (void *)addr)
1088 			break;
1089 	return p;
1090 }
1091 
1092 #if 0
1093 static void
1094 cmpci_print_dmamem(struct cmpci_dmanode *);
1095 static void
1096 cmpci_print_dmamem(struct cmpci_dmanode *p)
1097 {
1098 
1099 	DPRINTF(("DMA at virt:%p, dmaseg:%p, mapseg:%p, size:%p\n",
1100 		 (void *)p->cd_addr, (void *)p->cd_segs[0].ds_addr,
1101 		 (void *)DMAADDR(p), (void *)p->cd_size));
1102 }
1103 #endif /* DEBUG */
1104 
1105 static void *
1106 cmpci_allocm(void *handle, int direction, size_t size)
1107 {
1108 	void *addr;
1109 
1110 	addr = NULL;	/* XXX gcc */
1111 
1112 	if (cmpci_alloc_dmamem(handle, size, &addr))
1113 		return NULL;
1114 	return addr;
1115 }
1116 
1117 static void
1118 cmpci_freem(void *handle, void *addr, size_t size)
1119 {
1120 
1121 	cmpci_free_dmamem(handle, addr, size);
1122 }
1123 
1124 #define MAXVAL 256
1125 static int
1126 cmpci_adjust(int val, int mask)
1127 {
1128 
1129 	val += (MAXVAL - mask) >> 1;
1130 	if (val >= MAXVAL)
1131 		val = MAXVAL-1;
1132 	return val & mask;
1133 }
1134 
1135 static void
1136 cmpci_set_mixer_gain(struct cmpci_softc *sc, int port)
1137 {
1138 	int src;
1139 	int bits, mask;
1140 
1141 	switch (port) {
1142 	case CMPCI_MIC_VOL:
1143 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_MIC,
1144 		    CMPCI_ADJUST_MIC_GAIN(sc, sc->sc_gain[port][CMPCI_LR]));
1145 		return;
1146 	case CMPCI_MASTER_VOL:
1147 		src = CMPCI_SB16_MIXER_MASTER_L;
1148 		break;
1149 	case CMPCI_LINE_IN_VOL:
1150 		src = CMPCI_SB16_MIXER_LINE_L;
1151 		break;
1152 	case CMPCI_AUX_IN_VOL:
1153 		bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_MIXER_AUX,
1154 		    CMPCI_ADJUST_AUX_GAIN(sc, sc->sc_gain[port][CMPCI_LEFT],
1155 					      sc->sc_gain[port][CMPCI_RIGHT]));
1156 		return;
1157 	case CMPCI_MIC_RECVOL:
1158 		cmpci_reg_partial_write_1(sc, CMPCI_REG_MIXER25,
1159 		    CMPCI_REG_ADMIC_SHIFT, CMPCI_REG_ADMIC_MASK,
1160 		    CMPCI_ADJUST_ADMIC_GAIN(sc, sc->sc_gain[port][CMPCI_LR]));
1161 		return;
1162 	case CMPCI_DAC_VOL:
1163 		src = CMPCI_SB16_MIXER_VOICE_L;
1164 		break;
1165 	case CMPCI_FM_VOL:
1166 		src = CMPCI_SB16_MIXER_FM_L;
1167 		break;
1168 	case CMPCI_CD_VOL:
1169 		src = CMPCI_SB16_MIXER_CDDA_L;
1170 		break;
1171 	case CMPCI_PCSPEAKER:
1172 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_SPEAKER,
1173 		    CMPCI_ADJUST_2_GAIN(sc, sc->sc_gain[port][CMPCI_LR]));
1174 		return;
1175 	case CMPCI_MIC_PREAMP:
1176 		if (sc->sc_gain[port][CMPCI_LR])
1177 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER25,
1178 			    CMPCI_REG_MICGAINZ);
1179 		else
1180 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER25,
1181 			    CMPCI_REG_MICGAINZ);
1182 		return;
1183 
1184 	case CMPCI_DAC_MUTE:
1185 		if (sc->sc_gain[port][CMPCI_LR])
1186 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1187 			    CMPCI_REG_WSMUTE);
1188 		else
1189 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1190 			    CMPCI_REG_WSMUTE);
1191 		return;
1192 	case CMPCI_FM_MUTE:
1193 		if (sc->sc_gain[port][CMPCI_LR])
1194 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1195 			    CMPCI_REG_FMMUTE);
1196 		else
1197 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1198 			    CMPCI_REG_FMMUTE);
1199 		return;
1200 	case CMPCI_AUX_IN_MUTE:
1201 		if (sc->sc_gain[port][CMPCI_LR])
1202 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER25,
1203 			    CMPCI_REG_VAUXRM|CMPCI_REG_VAUXLM);
1204 		else
1205 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER25,
1206 			    CMPCI_REG_VAUXRM|CMPCI_REG_VAUXLM);
1207 		return;
1208 	case CMPCI_CD_MUTE:
1209 		mask = CMPCI_SB16_SW_CD;
1210 		goto sbmute;
1211 	case CMPCI_MIC_MUTE:
1212 		mask = CMPCI_SB16_SW_MIC;
1213 		goto sbmute;
1214 	case CMPCI_LINE_IN_MUTE:
1215 		mask = CMPCI_SB16_SW_LINE;
1216 	sbmute:
1217 		bits = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_OUTMIX);
1218 		if (sc->sc_gain[port][CMPCI_LR])
1219 			bits = bits & ~mask;
1220 		else
1221 			bits = bits | mask;
1222 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX, bits);
1223 		return;
1224 
1225 	case CMPCI_SPDIF_IN_SELECT:
1226 	case CMPCI_MONITOR_DAC:
1227 	case CMPCI_PLAYBACK_MODE:
1228 	case CMPCI_SPDIF_LOOP:
1229 	case CMPCI_SPDIF_OUT_PLAYBACK:
1230 		cmpci_set_out_ports(sc);
1231 		return;
1232 	case CMPCI_SPDIF_OUT_VOLTAGE:
1233 		if (CMPCI_ISCAP(sc, SPDOUT_VOLTAGE)) {
1234 			if (sc->sc_gain[CMPCI_SPDIF_OUT_VOLTAGE][CMPCI_LR]
1235 			    == CMPCI_SPDIF_OUT_VOLTAGE_HIGH)
1236 				cmpci_reg_clear_reg_misc(sc, CMPCI_REG_5V);
1237 			else
1238 				cmpci_reg_set_reg_misc(sc, CMPCI_REG_5V);
1239 		}
1240 		return;
1241 	case CMPCI_SURROUND:
1242 		if (CMPCI_ISCAP(sc, SURROUND)) {
1243 			if (sc->sc_gain[CMPCI_SURROUND][CMPCI_LR])
1244 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1245 						CMPCI_REG_SURROUND);
1246 			else
1247 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1248 						  CMPCI_REG_SURROUND);
1249 		}
1250 		return;
1251 	case CMPCI_REAR:
1252 		if (CMPCI_ISCAP(sc, REAR)) {
1253 			if (sc->sc_gain[CMPCI_REAR][CMPCI_LR])
1254 				cmpci_reg_set_reg_misc(sc, CMPCI_REG_N4SPK3D);
1255 			else
1256 				cmpci_reg_clear_reg_misc(sc, CMPCI_REG_N4SPK3D);
1257 		}
1258 		return;
1259 	case CMPCI_INDIVIDUAL:
1260 		if (CMPCI_ISCAP(sc, INDIVIDUAL_REAR)) {
1261 			if (sc->sc_gain[CMPCI_REAR][CMPCI_LR])
1262 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1263 						CMPCI_REG_INDIVIDUAL);
1264 			else
1265 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1266 						  CMPCI_REG_INDIVIDUAL);
1267 		}
1268 		return;
1269 	case CMPCI_REVERSE:
1270 		if (CMPCI_ISCAP(sc, REVERSE_FR)) {
1271 			if (sc->sc_gain[CMPCI_REVERSE][CMPCI_LR])
1272 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1273 						CMPCI_REG_REVERSE_FR);
1274 			else
1275 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1276 						  CMPCI_REG_REVERSE_FR);
1277 		}
1278 		return;
1279 	case CMPCI_SPDIF_IN_PHASE:
1280 		if (CMPCI_ISCAP(sc, SPDIN_PHASE)) {
1281 			if (sc->sc_gain[CMPCI_SPDIF_IN_PHASE][CMPCI_LR]
1282 			    == CMPCI_SPDIF_IN_PHASE_POSITIVE)
1283 				cmpci_reg_clear_1(sc, CMPCI_REG_CHANNEL_FORMAT,
1284 						  CMPCI_REG_SPDIN_PHASE);
1285 			else
1286 				cmpci_reg_set_1(sc, CMPCI_REG_CHANNEL_FORMAT,
1287 						CMPCI_REG_SPDIN_PHASE);
1288 		}
1289 		return;
1290 	default:
1291 		return;
1292 	}
1293 
1294 	cmpci_mixerreg_write(sc, src,
1295 	    CMPCI_ADJUST_GAIN(sc, sc->sc_gain[port][CMPCI_LEFT]));
1296 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_L_TO_R(src),
1297 	    CMPCI_ADJUST_GAIN(sc, sc->sc_gain[port][CMPCI_RIGHT]));
1298 }
1299 
1300 static void
1301 cmpci_set_out_ports(struct cmpci_softc *sc)
1302 {
1303 	uint8_t v;
1304 	int enspdout;
1305 
1306 	if (!CMPCI_ISCAP(sc, SPDLOOP))
1307 		return;
1308 
1309 	/* SPDIF/out select */
1310 	if (sc->sc_gain[CMPCI_SPDIF_LOOP][CMPCI_LR] == CMPCI_SPDIF_LOOP_OFF) {
1311 		/* playback */
1312 		cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF_LOOP);
1313 	} else {
1314 		/* monitor SPDIF/in */
1315 		cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF_LOOP);
1316 	}
1317 
1318 	/* SPDIF in select */
1319 	v = sc->sc_gain[CMPCI_SPDIF_IN_SELECT][CMPCI_LR];
1320 	if (v & CMPCI_SPDIFIN_SPDIFIN2)
1321 		cmpci_reg_set_reg_misc(sc, CMPCI_REG_2ND_SPDIFIN);
1322 	else
1323 		cmpci_reg_clear_reg_misc(sc, CMPCI_REG_2ND_SPDIFIN);
1324 	if (v & CMPCI_SPDIFIN_SPDIFOUT)
1325 		cmpci_reg_set_reg_misc(sc, CMPCI_REG_SPDFLOOPI);
1326 	else
1327 		cmpci_reg_clear_reg_misc(sc, CMPCI_REG_SPDFLOOPI);
1328 
1329 	enspdout = 0;
1330 	/* playback to ... */
1331 	if (CMPCI_ISCAP(sc, SPDOUT) &&
1332 	    sc->sc_gain[CMPCI_PLAYBACK_MODE][CMPCI_LR]
1333 		== CMPCI_PLAYBACK_MODE_SPDIF &&
1334 	    (sc->sc_play.md_divide == CMPCI_REG_RATE_44100 ||
1335 		(CMPCI_ISCAP(sc, SPDOUT_48K) &&
1336 		    sc->sc_play.md_divide==CMPCI_REG_RATE_48000))) {
1337 		/* playback to SPDIF */
1338 		cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF0_ENABLE);
1339 		enspdout = 1;
1340 		if (sc->sc_play.md_divide==CMPCI_REG_RATE_48000)
1341 			cmpci_reg_set_reg_misc(sc,
1342 				CMPCI_REG_SPDIFOUT_48K | CMPCI_REG_SPDIF48K);
1343 		else
1344 			cmpci_reg_clear_reg_misc(sc,
1345 				CMPCI_REG_SPDIFOUT_48K | CMPCI_REG_SPDIF48K);
1346 	} else {
1347 		/* playback to DAC */
1348 		cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1,
1349 				  CMPCI_REG_SPDIF0_ENABLE);
1350 		if (CMPCI_ISCAP(sc, SPDOUT_48K))
1351 			cmpci_reg_clear_reg_misc(sc,
1352 				CMPCI_REG_SPDIFOUT_48K | CMPCI_REG_SPDIF48K);
1353 	}
1354 
1355 	/* legacy to SPDIF/out or not */
1356 	if (CMPCI_ISCAP(sc, SPDLEGACY)) {
1357 		if (sc->sc_gain[CMPCI_SPDIF_OUT_PLAYBACK][CMPCI_LR]
1358 		    == CMPCI_SPDIF_OUT_PLAYBACK_WAVE)
1359 			cmpci_reg_clear_4(sc, CMPCI_REG_LEGACY_CTRL,
1360 					CMPCI_REG_LEGACY_SPDIF_ENABLE);
1361 		else {
1362 			cmpci_reg_set_4(sc, CMPCI_REG_LEGACY_CTRL,
1363 					CMPCI_REG_LEGACY_SPDIF_ENABLE);
1364 			enspdout = 1;
1365 		}
1366 	}
1367 
1368 	/* enable/disable SPDIF/out */
1369 	if (CMPCI_ISCAP(sc, XSPDOUT) && enspdout)
1370 		cmpci_reg_set_4(sc, CMPCI_REG_LEGACY_CTRL,
1371 				CMPCI_REG_XSPDIF_ENABLE);
1372 	else
1373 		cmpci_reg_clear_4(sc, CMPCI_REG_LEGACY_CTRL,
1374 				CMPCI_REG_XSPDIF_ENABLE);
1375 
1376 	/* SPDIF monitor (digital to analog output) */
1377 	if (CMPCI_ISCAP(sc, SPDIN_MONITOR)) {
1378 		v = sc->sc_gain[CMPCI_MONITOR_DAC][CMPCI_LR];
1379 		if (!(v & CMPCI_MONDAC_ENABLE))
1380 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1381 					CMPCI_REG_SPDIN_MONITOR);
1382 		if (v & CMPCI_MONDAC_SPDOUT)
1383 			cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1,
1384 					CMPCI_REG_SPDIFOUT_DAC);
1385 		else
1386 			cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1,
1387 					CMPCI_REG_SPDIFOUT_DAC);
1388 		if (v & CMPCI_MONDAC_ENABLE)
1389 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1390 					CMPCI_REG_SPDIN_MONITOR);
1391 	}
1392 }
1393 
1394 static int
1395 cmpci_set_in_ports(struct cmpci_softc *sc)
1396 {
1397 	int mask;
1398 	int bitsl, bitsr;
1399 
1400 	mask = sc->sc_in_mask;
1401 
1402 	/*
1403 	 * Note CMPCI_RECORD_SOURCE_CD, CMPCI_RECORD_SOURCE_LINE_IN and
1404 	 * CMPCI_RECORD_SOURCE_FM are defined to the corresponding bit
1405 	 * of the mixer register.
1406 	 */
1407 	bitsr = mask & (CMPCI_RECORD_SOURCE_CD | CMPCI_RECORD_SOURCE_LINE_IN |
1408 	    CMPCI_RECORD_SOURCE_FM);
1409 
1410 	bitsl = CMPCI_SB16_MIXER_SRC_R_TO_L(bitsr);
1411 	if (mask & CMPCI_RECORD_SOURCE_MIC) {
1412 		bitsl |= CMPCI_SB16_MIXER_MIC_SRC;
1413 		bitsr |= CMPCI_SB16_MIXER_MIC_SRC;
1414 	}
1415 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, bitsl);
1416 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, bitsr);
1417 
1418 	if (mask & CMPCI_RECORD_SOURCE_AUX_IN)
1419 		cmpci_reg_set_1(sc, CMPCI_REG_MIXER25,
1420 		    CMPCI_REG_RAUXREN | CMPCI_REG_RAUXLEN);
1421 	else
1422 		cmpci_reg_clear_1(sc, CMPCI_REG_MIXER25,
1423 		    CMPCI_REG_RAUXREN | CMPCI_REG_RAUXLEN);
1424 
1425 	if (mask & CMPCI_RECORD_SOURCE_WAVE)
1426 		cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1427 		    CMPCI_REG_WAVEINL | CMPCI_REG_WAVEINR);
1428 	else
1429 		cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1430 		    CMPCI_REG_WAVEINL | CMPCI_REG_WAVEINR);
1431 
1432 	if (CMPCI_ISCAP(sc, SPDIN) &&
1433 	    (sc->sc_rec.md_divide == CMPCI_REG_RATE_44100 ||
1434 		(CMPCI_ISCAP(sc, SPDOUT_48K) &&
1435 		    sc->sc_rec.md_divide == CMPCI_REG_RATE_48000/* XXX? */))) {
1436 		if (mask & CMPCI_RECORD_SOURCE_SPDIF) {
1437 			/* enable SPDIF/in */
1438 			cmpci_reg_set_4(sc,
1439 					CMPCI_REG_FUNC_1,
1440 					CMPCI_REG_SPDIF1_ENABLE);
1441 		} else {
1442 			cmpci_reg_clear_4(sc,
1443 					CMPCI_REG_FUNC_1,
1444 					CMPCI_REG_SPDIF1_ENABLE);
1445 		}
1446 	}
1447 
1448 	return 0;
1449 }
1450 
1451 static int
1452 cmpci_set_port(void *handle, mixer_ctrl_t *cp)
1453 {
1454 	struct cmpci_softc *sc;
1455 	int lgain, rgain;
1456 
1457 	sc = handle;
1458 	switch (cp->dev) {
1459 	case CMPCI_MIC_VOL:
1460 	case CMPCI_PCSPEAKER:
1461 	case CMPCI_MIC_RECVOL:
1462 		if (cp->un.value.num_channels != 1)
1463 			return EINVAL;
1464 		/* FALLTHROUGH */
1465 	case CMPCI_DAC_VOL:
1466 	case CMPCI_FM_VOL:
1467 	case CMPCI_CD_VOL:
1468 	case CMPCI_LINE_IN_VOL:
1469 	case CMPCI_AUX_IN_VOL:
1470 	case CMPCI_MASTER_VOL:
1471 		if (cp->type != AUDIO_MIXER_VALUE)
1472 			return EINVAL;
1473 		switch (cp->un.value.num_channels) {
1474 		case 1:
1475 			lgain = rgain =
1476 			    cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1477 			break;
1478 		case 2:
1479 			lgain = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1480 			rgain = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1481 			break;
1482 		default:
1483 			return EINVAL;
1484 		}
1485 		sc->sc_gain[cp->dev][CMPCI_LEFT]  = lgain;
1486 		sc->sc_gain[cp->dev][CMPCI_RIGHT] = rgain;
1487 
1488 		cmpci_set_mixer_gain(sc, cp->dev);
1489 		break;
1490 
1491 	case CMPCI_RECORD_SOURCE:
1492 		if (cp->type != AUDIO_MIXER_SET)
1493 			return EINVAL;
1494 
1495 		if (cp->un.mask & ~(CMPCI_RECORD_SOURCE_MIC |
1496 		    CMPCI_RECORD_SOURCE_CD | CMPCI_RECORD_SOURCE_LINE_IN |
1497 		    CMPCI_RECORD_SOURCE_AUX_IN | CMPCI_RECORD_SOURCE_WAVE |
1498 		    CMPCI_RECORD_SOURCE_FM | CMPCI_RECORD_SOURCE_SPDIF))
1499 			return EINVAL;
1500 
1501 		if (cp->un.mask & CMPCI_RECORD_SOURCE_SPDIF)
1502 			cp->un.mask = CMPCI_RECORD_SOURCE_SPDIF;
1503 
1504 		sc->sc_in_mask = cp->un.mask;
1505 		return cmpci_set_in_ports(sc);
1506 
1507 	/* boolean */
1508 	case CMPCI_DAC_MUTE:
1509 	case CMPCI_FM_MUTE:
1510 	case CMPCI_CD_MUTE:
1511 	case CMPCI_LINE_IN_MUTE:
1512 	case CMPCI_AUX_IN_MUTE:
1513 	case CMPCI_MIC_MUTE:
1514 	case CMPCI_MIC_PREAMP:
1515 	case CMPCI_PLAYBACK_MODE:
1516 	case CMPCI_SPDIF_IN_PHASE:
1517 	case CMPCI_SPDIF_LOOP:
1518 	case CMPCI_SPDIF_OUT_PLAYBACK:
1519 	case CMPCI_SPDIF_OUT_VOLTAGE:
1520 	case CMPCI_REAR:
1521 	case CMPCI_INDIVIDUAL:
1522 	case CMPCI_REVERSE:
1523 	case CMPCI_SURROUND:
1524 		if (cp->type != AUDIO_MIXER_ENUM)
1525 			return EINVAL;
1526 		sc->sc_gain[cp->dev][CMPCI_LR] = cp->un.ord != 0;
1527 		cmpci_set_mixer_gain(sc, cp->dev);
1528 		break;
1529 
1530 	case CMPCI_SPDIF_IN_SELECT:
1531 		switch (cp->un.ord) {
1532 		case CMPCI_SPDIF_IN_SPDIN1:
1533 		case CMPCI_SPDIF_IN_SPDIN2:
1534 		case CMPCI_SPDIF_IN_SPDOUT:
1535 			break;
1536 		default:
1537 			return EINVAL;
1538 		}
1539 		goto xenum;
1540 	case CMPCI_MONITOR_DAC:
1541 		switch (cp->un.ord) {
1542 		case CMPCI_MONITOR_DAC_OFF:
1543 		case CMPCI_MONITOR_DAC_SPDIN:
1544 		case CMPCI_MONITOR_DAC_SPDOUT:
1545 			break;
1546 		default:
1547 			return EINVAL;
1548 		}
1549 	xenum:
1550 		if (cp->type != AUDIO_MIXER_ENUM)
1551 			return EINVAL;
1552 		sc->sc_gain[cp->dev][CMPCI_LR] = cp->un.ord;
1553 		cmpci_set_mixer_gain(sc, cp->dev);
1554 		break;
1555 
1556 	default:
1557 	    return EINVAL;
1558 	}
1559 
1560 	return 0;
1561 }
1562 
1563 static int
1564 cmpci_get_port(void *handle, mixer_ctrl_t *cp)
1565 {
1566 	struct cmpci_softc *sc;
1567 
1568 	sc = handle;
1569 	switch (cp->dev) {
1570 	case CMPCI_MIC_VOL:
1571 	case CMPCI_PCSPEAKER:
1572 	case CMPCI_MIC_RECVOL:
1573 		if (cp->un.value.num_channels != 1)
1574 			return EINVAL;
1575 		/*FALLTHROUGH*/
1576 	case CMPCI_DAC_VOL:
1577 	case CMPCI_FM_VOL:
1578 	case CMPCI_CD_VOL:
1579 	case CMPCI_LINE_IN_VOL:
1580 	case CMPCI_AUX_IN_VOL:
1581 	case CMPCI_MASTER_VOL:
1582 		switch (cp->un.value.num_channels) {
1583 		case 1:
1584 			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1585 				sc->sc_gain[cp->dev][CMPCI_LEFT];
1586 			break;
1587 		case 2:
1588 			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
1589 				sc->sc_gain[cp->dev][CMPCI_LEFT];
1590 			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
1591 				sc->sc_gain[cp->dev][CMPCI_RIGHT];
1592 			break;
1593 		default:
1594 			return EINVAL;
1595 		}
1596 		break;
1597 
1598 	case CMPCI_RECORD_SOURCE:
1599 		cp->un.mask = sc->sc_in_mask;
1600 		break;
1601 
1602 	case CMPCI_DAC_MUTE:
1603 	case CMPCI_FM_MUTE:
1604 	case CMPCI_CD_MUTE:
1605 	case CMPCI_LINE_IN_MUTE:
1606 	case CMPCI_AUX_IN_MUTE:
1607 	case CMPCI_MIC_MUTE:
1608 	case CMPCI_MIC_PREAMP:
1609 	case CMPCI_PLAYBACK_MODE:
1610 	case CMPCI_SPDIF_IN_SELECT:
1611 	case CMPCI_SPDIF_IN_PHASE:
1612 	case CMPCI_SPDIF_LOOP:
1613 	case CMPCI_SPDIF_OUT_PLAYBACK:
1614 	case CMPCI_SPDIF_OUT_VOLTAGE:
1615 	case CMPCI_MONITOR_DAC:
1616 	case CMPCI_REAR:
1617 	case CMPCI_INDIVIDUAL:
1618 	case CMPCI_REVERSE:
1619 	case CMPCI_SURROUND:
1620 		cp->un.ord = sc->sc_gain[cp->dev][CMPCI_LR];
1621 		break;
1622 
1623 	default:
1624 		return EINVAL;
1625 	}
1626 
1627 	return 0;
1628 }
1629 
1630 /* ARGSUSED */
1631 static size_t
1632 cmpci_round_buffersize(void *handle, int direction,
1633     size_t bufsize)
1634 {
1635 
1636 	if (bufsize > 0x10000)
1637 		bufsize = 0x10000;
1638 
1639 	return bufsize;
1640 }
1641 
1642 static paddr_t
1643 cmpci_mappage(void *handle, void *addr, off_t offset, int prot)
1644 {
1645 	struct cmpci_dmanode *p;
1646 
1647 	if (offset < 0 || NULL == (p = cmpci_find_dmamem(handle, addr)))
1648 		return -1;
1649 
1650 	return bus_dmamem_mmap(p->cd_tag, p->cd_segs,
1651 		   sizeof(p->cd_segs)/sizeof(p->cd_segs[0]),
1652 		   offset, prot, BUS_DMA_WAITOK);
1653 }
1654 
1655 /* ARGSUSED */
1656 static int
1657 cmpci_get_props(void *handle)
1658 {
1659 
1660 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1661 }
1662 
1663 static int
1664 cmpci_trigger_output(void *handle, void *start, void *end, int blksize,
1665 		     void (*intr)(void *), void *arg,
1666 		     const audio_params_t *param)
1667 {
1668 	struct cmpci_softc *sc;
1669 	struct cmpci_dmanode *p;
1670 	int bps;
1671 
1672 	sc = handle;
1673 	sc->sc_play.intr = intr;
1674 	sc->sc_play.intr_arg = arg;
1675 	bps = param->channels * param->precision / 8;
1676 	if (!bps)
1677 		return EINVAL;
1678 
1679 	/* set DMA frame */
1680 	if (!(p = cmpci_find_dmamem(sc, start)))
1681 		return EINVAL;
1682 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BASE,
1683 	    DMAADDR(p));
1684 	delay(10);
1685 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BYTES,
1686 	    ((char *)end - (char *)start + 1) / bps - 1);
1687 	delay(10);
1688 
1689 	/* set interrupt count */
1690 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_SAMPLES,
1691 			  (blksize + bps - 1) / bps - 1);
1692 	delay(10);
1693 
1694 	/* start DMA */
1695 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_DIR); /* PLAY */
1696 	cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE);
1697 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE);
1698 
1699 	return 0;
1700 }
1701 
1702 static int
1703 cmpci_trigger_input(void *handle, void *start, void *end, int blksize,
1704 		    void (*intr)(void *), void *arg,
1705 		    const audio_params_t *param)
1706 {
1707 	struct cmpci_softc *sc;
1708 	struct cmpci_dmanode *p;
1709 	int bps;
1710 
1711 	sc = handle;
1712 	sc->sc_rec.intr = intr;
1713 	sc->sc_rec.intr_arg = arg;
1714 	bps = param->channels * param->precision / 8;
1715 	if (!bps)
1716 		return EINVAL;
1717 
1718 	/* set DMA frame */
1719 	if (!(p=cmpci_find_dmamem(sc, start)))
1720 		return EINVAL;
1721 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BASE,
1722 	    DMAADDR(p));
1723 	delay(10);
1724 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BYTES,
1725 	    ((char *)end - (char *)start + 1) / bps - 1);
1726 	delay(10);
1727 
1728 	/* set interrupt count */
1729 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_SAMPLES,
1730 	    (blksize + bps - 1) / bps - 1);
1731 	delay(10);
1732 
1733 	/* start DMA */
1734 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_DIR); /* REC */
1735 	cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE);
1736 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE);
1737 
1738 	return 0;
1739 }
1740 
1741 static void
1742 cmpci_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1743 {
1744 	struct cmpci_softc *sc;
1745 
1746 	sc = addr;
1747 	*intr = &sc->sc_intr_lock;
1748 	*thread = &sc->sc_lock;
1749 }
1750 
1751 /* end of file */
1752