xref: /netbsd-src/sys/dev/pci/cmpci.c (revision 5bbd2a12505d72a8177929a37b5cee489d0a1cfd)
1 /*	$NetBSD: cmpci.c,v 1.45 2012/01/30 19:41:18 drochner 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 1.45 2012/01/30 19:41:18 drochner 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(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 
386 	sc = device_private(self);
387 	pa = (struct pci_attach_args *)aux;
388 
389 	sc->sc_id = pa->pa_id;
390 	sc->sc_class = pa->pa_class;
391 	pci_aprint_devinfo(pa, "Audio controller");
392 	switch (PCI_PRODUCT(sc->sc_id)) {
393 	case PCI_PRODUCT_CMEDIA_CMI8338A:
394 		/*FALLTHROUGH*/
395 	case PCI_PRODUCT_CMEDIA_CMI8338B:
396 		sc->sc_capable = CMPCI_CAP_CMI8338;
397 		break;
398 	case PCI_PRODUCT_CMEDIA_CMI8738:
399 		/*FALLTHROUGH*/
400 	case PCI_PRODUCT_CMEDIA_CMI8738B:
401 		sc->sc_capable = CMPCI_CAP_CMI8738;
402 		break;
403 	}
404 
405 	/* map I/O space */
406 	if (pci_mapreg_map(pa, CMPCI_PCI_IOBASEREG, PCI_MAPREG_TYPE_IO, 0,
407 		&sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
408 		aprint_error_dev(&sc->sc_dev, "failed to map I/O space\n");
409 		return;
410 	}
411 
412 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
413 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
414 
415 	/* interrupt */
416 	if (pci_intr_map(pa, &ih)) {
417 		aprint_error_dev(&sc->sc_dev, "failed to map interrupt\n");
418 		return;
419 	}
420 	strintr = pci_intr_string(pa->pa_pc, ih);
421 	sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, cmpci_intr,
422 	    sc);
423 	if (sc->sc_ih == NULL) {
424 		aprint_error_dev(&sc->sc_dev, "failed to establish interrupt");
425 		if (strintr != NULL)
426 			aprint_error(" at %s", strintr);
427 		aprint_error("\n");
428 		mutex_destroy(&sc->sc_lock);
429 		mutex_destroy(&sc->sc_intr_lock);
430 		return;
431 	}
432 	aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", strintr);
433 
434 	sc->sc_dmat = pa->pa_dmat;
435 
436 	audio_attach_mi(&cmpci_hw_if, sc, &sc->sc_dev);
437 
438 	/* attach OPL device */
439 	aa.type = AUDIODEV_TYPE_OPL;
440 	aa.hwif = NULL;
441 	aa.hdl = NULL;
442 	(void)config_found(&sc->sc_dev, &aa, audioprint);
443 
444 	/* attach MPU-401 device */
445 	aa.type = AUDIODEV_TYPE_MPU;
446 	aa.hwif = NULL;
447 	aa.hdl = NULL;
448 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
449 	    CMPCI_REG_MPU_BASE, CMPCI_REG_MPU_SIZE, &sc->sc_mpu_ioh) == 0)
450 		sc->sc_mpudev = config_found(&sc->sc_dev, &aa, audioprint);
451 
452 	/* get initial value (this is 0 and may be omitted but just in case) */
453 	sc->sc_reg_misc = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
454 	    CMPCI_REG_MISC) & ~CMPCI_REG_SPDIF48K;
455 
456 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_RESET, 0);
457 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, 0);
458 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, 0);
459 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX,
460 	    CMPCI_SB16_SW_CD|CMPCI_SB16_SW_MIC | CMPCI_SB16_SW_LINE);
461 	for (i = 0; i < CMPCI_NDEVS; i++) {
462 		switch(i) {
463 		/*
464 		 * CMI8738 defaults are
465 		 *  master:	0xe0	(0x00 - 0xf8)
466 		 *  FM, DAC:	0xc0	(0x00 - 0xf8)
467 		 *  PC speaker:	0x80	(0x00 - 0xc0)
468 		 *  others:	0
469 		 */
470 		/* volume */
471 		case CMPCI_MASTER_VOL:
472 			v = 128;	/* 224 */
473 			break;
474 		case CMPCI_FM_VOL:
475 		case CMPCI_DAC_VOL:
476 			v = 192;
477 			break;
478 		case CMPCI_PCSPEAKER:
479 			v = 128;
480 			break;
481 
482 		/* booleans, set to true */
483 		case CMPCI_CD_MUTE:
484 		case CMPCI_MIC_MUTE:
485 		case CMPCI_LINE_IN_MUTE:
486 		case CMPCI_AUX_IN_MUTE:
487 			v = 1;
488 			break;
489 
490 		/* volume with inital value 0 */
491 		case CMPCI_CD_VOL:
492 		case CMPCI_LINE_IN_VOL:
493 		case CMPCI_AUX_IN_VOL:
494 		case CMPCI_MIC_VOL:
495 		case CMPCI_MIC_RECVOL:
496 			/* FALLTHROUGH */
497 
498 		/* others are cleared */
499 		case CMPCI_MIC_PREAMP:
500 		case CMPCI_RECORD_SOURCE:
501 		case CMPCI_PLAYBACK_MODE:
502 		case CMPCI_SPDIF_IN_SELECT:
503 		case CMPCI_SPDIF_IN_PHASE:
504 		case CMPCI_SPDIF_LOOP:
505 		case CMPCI_SPDIF_OUT_PLAYBACK:
506 		case CMPCI_SPDIF_OUT_VOLTAGE:
507 		case CMPCI_MONITOR_DAC:
508 		case CMPCI_REAR:
509 		case CMPCI_INDIVIDUAL:
510 		case CMPCI_REVERSE:
511 		case CMPCI_SURROUND:
512 		default:
513 			v = 0;
514 			break;
515 		}
516 		sc->sc_gain[i][CMPCI_LEFT] = sc->sc_gain[i][CMPCI_RIGHT] = v;
517 		cmpci_set_mixer_gain(sc, i);
518 	}
519 }
520 
521 static int
522 cmpci_intr(void *handle)
523 {
524 	struct cmpci_softc *sc = handle;
525 #if NMPU > 0
526 	struct mpu_softc *sc_mpu = device_private(sc->sc_mpudev);
527 #endif
528 	uint32_t intrstat;
529 
530 	mutex_spin_enter(&sc->sc_intr_lock);
531 
532 	intrstat = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
533 	    CMPCI_REG_INTR_STATUS);
534 
535 	if (!(intrstat & CMPCI_REG_ANY_INTR)) {
536 		mutex_spin_exit(&sc->sc_intr_lock);
537 		return 0;
538 	}
539 
540 	delay(10);
541 
542 	/* disable and reset intr */
543 	if (intrstat & CMPCI_REG_CH0_INTR)
544 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
545 		   CMPCI_REG_CH0_INTR_ENABLE);
546 	if (intrstat & CMPCI_REG_CH1_INTR)
547 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
548 		    CMPCI_REG_CH1_INTR_ENABLE);
549 
550 	if (intrstat & CMPCI_REG_CH0_INTR) {
551 		if (sc->sc_play.intr != NULL)
552 			(*sc->sc_play.intr)(sc->sc_play.intr_arg);
553 	}
554 	if (intrstat & CMPCI_REG_CH1_INTR) {
555 		if (sc->sc_rec.intr != NULL)
556 			(*sc->sc_rec.intr)(sc->sc_rec.intr_arg);
557 	}
558 
559 	/* enable intr */
560 	if (intrstat & CMPCI_REG_CH0_INTR)
561 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
562 		    CMPCI_REG_CH0_INTR_ENABLE);
563 	if (intrstat & CMPCI_REG_CH1_INTR)
564 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
565 		    CMPCI_REG_CH1_INTR_ENABLE);
566 
567 #if NMPU > 0
568 	if (intrstat & CMPCI_REG_UART_INTR && sc_mpu != NULL)
569 		mpu_intr(sc_mpu);
570 #endif
571 
572 	mutex_spin_exit(&sc->sc_intr_lock);
573 	return 1;
574 }
575 
576 static int
577 cmpci_query_encoding(void *handle, struct audio_encoding *fp)
578 {
579 
580 	switch (fp->index) {
581 	case 0:
582 		strcpy(fp->name, AudioEulinear);
583 		fp->encoding = AUDIO_ENCODING_ULINEAR;
584 		fp->precision = 8;
585 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
586 		break;
587 	case 1:
588 		strcpy(fp->name, AudioEmulaw);
589 		fp->encoding = AUDIO_ENCODING_ULAW;
590 		fp->precision = 8;
591 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
592 		break;
593 	case 2:
594 		strcpy(fp->name, AudioEalaw);
595 		fp->encoding = AUDIO_ENCODING_ALAW;
596 		fp->precision = 8;
597 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
598 		break;
599 	case 3:
600 		strcpy(fp->name, AudioEslinear);
601 		fp->encoding = AUDIO_ENCODING_SLINEAR;
602 		fp->precision = 8;
603 		fp->flags = 0;
604 		break;
605 	case 4:
606 		strcpy(fp->name, AudioEslinear_le);
607 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
608 		fp->precision = 16;
609 		fp->flags = 0;
610 		break;
611 	case 5:
612 		strcpy(fp->name, AudioEulinear_le);
613 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
614 		fp->precision = 16;
615 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
616 		break;
617 	case 6:
618 		strcpy(fp->name, AudioEslinear_be);
619 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
620 		fp->precision = 16;
621 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
622 		break;
623 	case 7:
624 		strcpy(fp->name, AudioEulinear_be);
625 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
626 		fp->precision = 16;
627 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
628 		break;
629 	default:
630 		return EINVAL;
631 	}
632 	return 0;
633 }
634 
635 
636 static int
637 cmpci_set_params(void *handle, int setmode, int usemode,
638     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
639     stream_filter_list_t *rfil)
640 {
641 	int i;
642 	struct cmpci_softc *sc;
643 
644 	sc = handle;
645 	for (i = 0; i < 2; i++) {
646 		int md_format;
647 		int md_divide;
648 		int md_index;
649 		int mode;
650 		audio_params_t *p;
651 		stream_filter_list_t *fil;
652 		int ind;
653 
654 		switch (i) {
655 		case 0:
656 			mode = AUMODE_PLAY;
657 			p = play;
658 			fil = pfil;
659 			break;
660 		case 1:
661 			mode = AUMODE_RECORD;
662 			p = rec;
663 			fil = rfil;
664 			break;
665 		default:
666 			return EINVAL;
667 		}
668 
669 		if (!(setmode & mode))
670 			continue;
671 
672 		md_index = cmpci_rate_to_index(p->sample_rate);
673 		md_divide = cmpci_index_to_divider(md_index);
674 		p->sample_rate = cmpci_index_to_rate(md_index);
675 		DPRINTF(("%s: sample:%u, divider=%d\n",
676 			 device_xname(&sc->sc_dev), p->sample_rate, md_divide));
677 
678 		ind = auconv_set_converter(cmpci_formats, CMPCI_NFORMATS,
679 					   mode, p, FALSE, fil);
680 		if (ind < 0)
681 			return EINVAL;
682 		if (fil->req_size > 0)
683 			p = &fil->filters[0].param;
684 
685 		/* format */
686 		md_format = p->channels == 1
687 			? CMPCI_REG_FORMAT_MONO : CMPCI_REG_FORMAT_STEREO;
688 		md_format |= p->precision == 16
689 			? CMPCI_REG_FORMAT_16BIT : CMPCI_REG_FORMAT_8BIT;
690 		if (mode & AUMODE_PLAY) {
691 			cmpci_reg_partial_write_4(sc,
692 			   CMPCI_REG_CHANNEL_FORMAT,
693 			   CMPCI_REG_CH0_FORMAT_SHIFT,
694 			   CMPCI_REG_CH0_FORMAT_MASK, md_format);
695 			cmpci_reg_partial_write_4(sc,
696 			    CMPCI_REG_FUNC_1, CMPCI_REG_DAC_FS_SHIFT,
697 			    CMPCI_REG_DAC_FS_MASK, md_divide);
698 			sc->sc_play.md_divide = md_divide;
699 		} else {
700 			cmpci_reg_partial_write_4(sc,
701 			   CMPCI_REG_CHANNEL_FORMAT,
702 			   CMPCI_REG_CH1_FORMAT_SHIFT,
703 			   CMPCI_REG_CH1_FORMAT_MASK, md_format);
704 			cmpci_reg_partial_write_4(sc,
705 			    CMPCI_REG_FUNC_1, CMPCI_REG_ADC_FS_SHIFT,
706 			    CMPCI_REG_ADC_FS_MASK, md_divide);
707 			sc->sc_rec.md_divide = md_divide;
708 		}
709 		cmpci_set_out_ports(sc);
710 		cmpci_set_in_ports(sc);
711 	}
712 	return 0;
713 }
714 
715 /* ARGSUSED */
716 static int
717 cmpci_round_blocksize(void *handle, int block,
718     int mode, const audio_params_t *param)
719 {
720 
721 	return block & -4;
722 }
723 
724 static int
725 cmpci_halt_output(void *handle)
726 {
727 	struct cmpci_softc *sc;
728 
729 	sc = handle;
730 	sc->sc_play.intr = NULL;
731 	cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE);
732 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE);
733 	/* wait for reset DMA */
734 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
735 	delay(10);
736 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
737 
738 	return 0;
739 }
740 
741 static int
742 cmpci_halt_input(void *handle)
743 {
744 	struct cmpci_softc *sc;
745 
746 	sc = handle;
747 	sc->sc_rec.intr = NULL;
748 	cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE);
749 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE);
750 	/* wait for reset DMA */
751 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET);
752 	delay(10);
753 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET);
754 
755 	return 0;
756 }
757 
758 /* get audio device information */
759 static int
760 cmpci_getdev(void *handle, struct audio_device *ad)
761 {
762 	struct cmpci_softc *sc;
763 
764 	sc = handle;
765 	strncpy(ad->name, "CMI PCI Audio", sizeof(ad->name));
766 	snprintf(ad->version, sizeof(ad->version), "0x%02x",
767 		 PCI_REVISION(sc->sc_class));
768 	switch (PCI_PRODUCT(sc->sc_id)) {
769 	case PCI_PRODUCT_CMEDIA_CMI8338A:
770 		strncpy(ad->config, "CMI8338A", sizeof(ad->config));
771 		break;
772 	case PCI_PRODUCT_CMEDIA_CMI8338B:
773 		strncpy(ad->config, "CMI8338B", sizeof(ad->config));
774 		break;
775 	case PCI_PRODUCT_CMEDIA_CMI8738:
776 		strncpy(ad->config, "CMI8738", sizeof(ad->config));
777 		break;
778 	case PCI_PRODUCT_CMEDIA_CMI8738B:
779 		strncpy(ad->config, "CMI8738B", sizeof(ad->config));
780 		break;
781 	default:
782 		strncpy(ad->config, "unknown", sizeof(ad->config));
783 	}
784 
785 	return 0;
786 }
787 
788 /* mixer device information */
789 int
790 cmpci_query_devinfo(void *handle, mixer_devinfo_t *dip)
791 {
792 	static const char *const mixer_port_names[] = {
793 		AudioNdac, AudioNfmsynth, AudioNcd, AudioNline, AudioNaux,
794 		AudioNmicrophone
795 	};
796 	static const char *const mixer_classes[] = {
797 		AudioCinputs, AudioCoutputs, AudioCrecord, CmpciCplayback,
798 		CmpciCspdif
799 	};
800 	struct cmpci_softc *sc;
801 	int i;
802 
803 	sc = handle;
804 	dip->prev = dip->next = AUDIO_MIXER_LAST;
805 
806 	switch (dip->index) {
807 	case CMPCI_INPUT_CLASS:
808 	case CMPCI_OUTPUT_CLASS:
809 	case CMPCI_RECORD_CLASS:
810 	case CMPCI_PLAYBACK_CLASS:
811 	case CMPCI_SPDIF_CLASS:
812 		dip->type = AUDIO_MIXER_CLASS;
813 		dip->mixer_class = dip->index;
814 		strcpy(dip->label.name,
815 		    mixer_classes[dip->index - CMPCI_INPUT_CLASS]);
816 		return 0;
817 
818 	case CMPCI_AUX_IN_VOL:
819 		dip->un.v.delta = 1 << (8 - CMPCI_REG_AUX_VALBITS);
820 		goto vol1;
821 	case CMPCI_DAC_VOL:
822 	case CMPCI_FM_VOL:
823 	case CMPCI_CD_VOL:
824 	case CMPCI_LINE_IN_VOL:
825 	case CMPCI_MIC_VOL:
826 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_VALBITS);
827 	vol1:	dip->mixer_class = CMPCI_INPUT_CLASS;
828 		dip->next = dip->index + 6;	/* CMPCI_xxx_MUTE */
829 		strcpy(dip->label.name, mixer_port_names[dip->index]);
830 		dip->un.v.num_channels = (dip->index == CMPCI_MIC_VOL ? 1 : 2);
831 	vol:
832 		dip->type = AUDIO_MIXER_VALUE;
833 		strcpy(dip->un.v.units.name, AudioNvolume);
834 		return 0;
835 
836 	case CMPCI_MIC_MUTE:
837 		dip->next = CMPCI_MIC_PREAMP;
838 		/* FALLTHROUGH */
839 	case CMPCI_DAC_MUTE:
840 	case CMPCI_FM_MUTE:
841 	case CMPCI_CD_MUTE:
842 	case CMPCI_LINE_IN_MUTE:
843 	case CMPCI_AUX_IN_MUTE:
844 		dip->prev = dip->index - 6;	/* CMPCI_xxx_VOL */
845 		dip->mixer_class = CMPCI_INPUT_CLASS;
846 		strcpy(dip->label.name, AudioNmute);
847 		goto on_off;
848 	on_off:
849 		dip->type = AUDIO_MIXER_ENUM;
850 		dip->un.e.num_mem = 2;
851 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
852 		dip->un.e.member[0].ord = 0;
853 		strcpy(dip->un.e.member[1].label.name, AudioNon);
854 		dip->un.e.member[1].ord = 1;
855 		return 0;
856 
857 	case CMPCI_MIC_PREAMP:
858 		dip->mixer_class = CMPCI_INPUT_CLASS;
859 		dip->prev = CMPCI_MIC_MUTE;
860 		strcpy(dip->label.name, AudioNpreamp);
861 		goto on_off;
862 	case CMPCI_PCSPEAKER:
863 		dip->mixer_class = CMPCI_INPUT_CLASS;
864 		strcpy(dip->label.name, AudioNspeaker);
865 		dip->un.v.num_channels = 1;
866 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_SPEAKER_VALBITS);
867 		goto vol;
868 	case CMPCI_RECORD_SOURCE:
869 		dip->mixer_class = CMPCI_RECORD_CLASS;
870 		strcpy(dip->label.name, AudioNsource);
871 		dip->type = AUDIO_MIXER_SET;
872 		dip->un.s.num_mem = 7;
873 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
874 		dip->un.s.member[0].mask = CMPCI_RECORD_SOURCE_MIC;
875 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
876 		dip->un.s.member[1].mask = CMPCI_RECORD_SOURCE_CD;
877 		strcpy(dip->un.s.member[2].label.name, AudioNline);
878 		dip->un.s.member[2].mask = CMPCI_RECORD_SOURCE_LINE_IN;
879 		strcpy(dip->un.s.member[3].label.name, AudioNaux);
880 		dip->un.s.member[3].mask = CMPCI_RECORD_SOURCE_AUX_IN;
881 		strcpy(dip->un.s.member[4].label.name, AudioNwave);
882 		dip->un.s.member[4].mask = CMPCI_RECORD_SOURCE_WAVE;
883 		strcpy(dip->un.s.member[5].label.name, AudioNfmsynth);
884 		dip->un.s.member[5].mask = CMPCI_RECORD_SOURCE_FM;
885 		strcpy(dip->un.s.member[6].label.name, CmpciNspdif);
886 		dip->un.s.member[6].mask = CMPCI_RECORD_SOURCE_SPDIF;
887 		return 0;
888 	case CMPCI_MIC_RECVOL:
889 		dip->mixer_class = CMPCI_RECORD_CLASS;
890 		strcpy(dip->label.name, AudioNmicrophone);
891 		dip->un.v.num_channels = 1;
892 		dip->un.v.delta = 1 << (8 - CMPCI_REG_ADMIC_VALBITS);
893 		goto vol;
894 
895 	case CMPCI_PLAYBACK_MODE:
896 		dip->mixer_class = CMPCI_PLAYBACK_CLASS;
897 		dip->type = AUDIO_MIXER_ENUM;
898 		strcpy(dip->label.name, AudioNmode);
899 		dip->un.e.num_mem = 2;
900 		strcpy(dip->un.e.member[0].label.name, AudioNdac);
901 		dip->un.e.member[0].ord = CMPCI_PLAYBACK_MODE_WAVE;
902 		strcpy(dip->un.e.member[1].label.name, CmpciNspdif);
903 		dip->un.e.member[1].ord = CMPCI_PLAYBACK_MODE_SPDIF;
904 		return 0;
905 	case CMPCI_SPDIF_IN_SELECT:
906 		dip->mixer_class = CMPCI_SPDIF_CLASS;
907 		dip->type = AUDIO_MIXER_ENUM;
908 		dip->next = CMPCI_SPDIF_IN_PHASE;
909 		strcpy(dip->label.name, AudioNinput);
910 		i = 0;
911 		strcpy(dip->un.e.member[i].label.name, CmpciNspdin1);
912 		dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDIN1;
913 		if (CMPCI_ISCAP(sc, 2ND_SPDIN)) {
914 			strcpy(dip->un.e.member[i].label.name, CmpciNspdin2);
915 			dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDIN2;
916 		}
917 		strcpy(dip->un.e.member[i].label.name, CmpciNspdout);
918 		dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDOUT;
919 		dip->un.e.num_mem = i;
920 		return 0;
921 	case CMPCI_SPDIF_IN_PHASE:
922 		dip->mixer_class = CMPCI_SPDIF_CLASS;
923 		dip->prev = CMPCI_SPDIF_IN_SELECT;
924 		strcpy(dip->label.name, CmpciNphase);
925 		dip->type = AUDIO_MIXER_ENUM;
926 		dip->un.e.num_mem = 2;
927 		strcpy(dip->un.e.member[0].label.name, CmpciNpositive);
928 		dip->un.e.member[0].ord = CMPCI_SPDIF_IN_PHASE_POSITIVE;
929 		strcpy(dip->un.e.member[1].label.name, CmpciNnegative);
930 		dip->un.e.member[1].ord = CMPCI_SPDIF_IN_PHASE_NEGATIVE;
931 		return 0;
932 	case CMPCI_SPDIF_LOOP:
933 		dip->mixer_class = CMPCI_SPDIF_CLASS;
934 		dip->next = CMPCI_SPDIF_OUT_PLAYBACK;
935 		strcpy(dip->label.name, AudioNoutput);
936 		dip->type = AUDIO_MIXER_ENUM;
937 		dip->un.e.num_mem = 2;
938 		strcpy(dip->un.e.member[0].label.name, CmpciNplayback);
939 		dip->un.e.member[0].ord = CMPCI_SPDIF_LOOP_OFF;
940 		strcpy(dip->un.e.member[1].label.name, CmpciNspdin);
941 		dip->un.e.member[1].ord = CMPCI_SPDIF_LOOP_ON;
942 		return 0;
943 	case CMPCI_SPDIF_OUT_PLAYBACK:
944 		dip->mixer_class = CMPCI_SPDIF_CLASS;
945 		dip->prev = CMPCI_SPDIF_LOOP;
946 		dip->next = CMPCI_SPDIF_OUT_VOLTAGE;
947 		strcpy(dip->label.name, CmpciNplayback);
948 		dip->type = AUDIO_MIXER_ENUM;
949 		dip->un.e.num_mem = 2;
950 		strcpy(dip->un.e.member[0].label.name, AudioNwave);
951 		dip->un.e.member[0].ord = CMPCI_SPDIF_OUT_PLAYBACK_WAVE;
952 		strcpy(dip->un.e.member[1].label.name, CmpciNlegacy);
953 		dip->un.e.member[1].ord = CMPCI_SPDIF_OUT_PLAYBACK_LEGACY;
954 		return 0;
955 	case CMPCI_SPDIF_OUT_VOLTAGE:
956 		dip->mixer_class = CMPCI_SPDIF_CLASS;
957 		dip->prev = CMPCI_SPDIF_OUT_PLAYBACK;
958 		strcpy(dip->label.name, CmpciNvoltage);
959 		dip->type = AUDIO_MIXER_ENUM;
960 		dip->un.e.num_mem = 2;
961 		strcpy(dip->un.e.member[0].label.name, CmpciNhigh_v);
962 		dip->un.e.member[0].ord = CMPCI_SPDIF_OUT_VOLTAGE_HIGH;
963 		strcpy(dip->un.e.member[1].label.name, CmpciNlow_v);
964 		dip->un.e.member[1].ord = CMPCI_SPDIF_OUT_VOLTAGE_LOW;
965 		return 0;
966 	case CMPCI_MONITOR_DAC:
967 		dip->mixer_class = CMPCI_SPDIF_CLASS;
968 		strcpy(dip->label.name, AudioNmonitor);
969 		dip->type = AUDIO_MIXER_ENUM;
970 		dip->un.e.num_mem = 3;
971 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
972 		dip->un.e.member[0].ord = CMPCI_MONITOR_DAC_OFF;
973 		strcpy(dip->un.e.member[1].label.name, CmpciNspdin);
974 		dip->un.e.member[1].ord = CMPCI_MONITOR_DAC_SPDIN;
975 		strcpy(dip->un.e.member[2].label.name, CmpciNspdout);
976 		dip->un.e.member[2].ord = CMPCI_MONITOR_DAC_SPDOUT;
977 		return 0;
978 
979 	case CMPCI_MASTER_VOL:
980 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
981 		strcpy(dip->label.name, AudioNmaster);
982 		dip->un.v.num_channels = 2;
983 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_VALBITS);
984 		goto vol;
985 	case CMPCI_REAR:
986 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
987 		dip->next = CMPCI_INDIVIDUAL;
988 		strcpy(dip->label.name, CmpciNrear);
989 		goto on_off;
990 	case CMPCI_INDIVIDUAL:
991 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
992 		dip->prev = CMPCI_REAR;
993 		dip->next = CMPCI_REVERSE;
994 		strcpy(dip->label.name, CmpciNindividual);
995 		goto on_off;
996 	case CMPCI_REVERSE:
997 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
998 		dip->prev = CMPCI_INDIVIDUAL;
999 		strcpy(dip->label.name, CmpciNreverse);
1000 		goto on_off;
1001 	case CMPCI_SURROUND:
1002 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1003 		strcpy(dip->label.name, CmpciNsurround);
1004 		goto on_off;
1005 	}
1006 
1007 	return ENXIO;
1008 }
1009 
1010 static int
1011 cmpci_alloc_dmamem(struct cmpci_softc *sc, size_t size, void **r_addr)
1012 {
1013 	int error;
1014 	struct cmpci_dmanode *n;
1015 
1016 	error = 0;
1017 	n = kmem_alloc(sizeof(struct cmpci_dmanode), KM_SLEEP);
1018 	if (n == NULL) {
1019 		error = ENOMEM;
1020 		goto quit;
1021 	}
1022 
1023 #define CMPCI_DMABUF_ALIGN    0x4
1024 #define CMPCI_DMABUF_BOUNDARY 0x0
1025 	n->cd_tag = sc->sc_dmat;
1026 	n->cd_size = size;
1027 	error = bus_dmamem_alloc(n->cd_tag, n->cd_size,
1028 	    CMPCI_DMABUF_ALIGN, CMPCI_DMABUF_BOUNDARY, n->cd_segs,
1029 	    sizeof(n->cd_segs)/sizeof(n->cd_segs[0]), &n->cd_nsegs,
1030 	    BUS_DMA_WAITOK);
1031 	if (error)
1032 		goto mfree;
1033 	error = bus_dmamem_map(n->cd_tag, n->cd_segs, n->cd_nsegs, n->cd_size,
1034 	    &n->cd_addr, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
1035 	if (error)
1036 		goto dmafree;
1037 	error = bus_dmamap_create(n->cd_tag, n->cd_size, 1, n->cd_size, 0,
1038 	    BUS_DMA_WAITOK, &n->cd_map);
1039 	if (error)
1040 		goto unmap;
1041 	error = bus_dmamap_load(n->cd_tag, n->cd_map, n->cd_addr, n->cd_size,
1042 	    NULL, BUS_DMA_WAITOK);
1043 	if (error)
1044 		goto destroy;
1045 
1046 	n->cd_next = sc->sc_dmap;
1047 	sc->sc_dmap = n;
1048 	*r_addr = KVADDR(n);
1049 	return 0;
1050 
1051  destroy:
1052 	bus_dmamap_destroy(n->cd_tag, n->cd_map);
1053  unmap:
1054 	bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1055  dmafree:
1056 	bus_dmamem_free(n->cd_tag,
1057 			n->cd_segs, sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1058  mfree:
1059 	kmem_free(n, sizeof(*n));
1060  quit:
1061 	return error;
1062 }
1063 
1064 static int
1065 cmpci_free_dmamem(struct cmpci_softc *sc, void *addr, size_t size)
1066 {
1067 	struct cmpci_dmanode **nnp;
1068 
1069 	for (nnp = &sc->sc_dmap; *nnp; nnp= &(*nnp)->cd_next) {
1070 		if ((*nnp)->cd_addr == addr) {
1071 			struct cmpci_dmanode *n = *nnp;
1072 			bus_dmamap_unload(n->cd_tag, n->cd_map);
1073 			bus_dmamap_destroy(n->cd_tag, n->cd_map);
1074 			bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1075 			bus_dmamem_free(n->cd_tag, n->cd_segs,
1076 			    sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1077 			kmem_free(n, sizeof(*n));
1078 			return 0;
1079 		}
1080 	}
1081 	return -1;
1082 }
1083 
1084 static struct cmpci_dmanode *
1085 cmpci_find_dmamem(struct cmpci_softc *sc, void *addr)
1086 {
1087 	struct cmpci_dmanode *p;
1088 
1089 	for (p = sc->sc_dmap; p; p = p->cd_next)
1090 		if (KVADDR(p) == (void *)addr)
1091 			break;
1092 	return p;
1093 }
1094 
1095 #if 0
1096 static void
1097 cmpci_print_dmamem(struct cmpci_dmanode *);
1098 static void
1099 cmpci_print_dmamem(struct cmpci_dmanode *p)
1100 {
1101 
1102 	DPRINTF(("DMA at virt:%p, dmaseg:%p, mapseg:%p, size:%p\n",
1103 		 (void *)p->cd_addr, (void *)p->cd_segs[0].ds_addr,
1104 		 (void *)DMAADDR(p), (void *)p->cd_size));
1105 }
1106 #endif /* DEBUG */
1107 
1108 static void *
1109 cmpci_allocm(void *handle, int direction, size_t size)
1110 {
1111 	void *addr;
1112 
1113 	addr = NULL;	/* XXX gcc */
1114 
1115 	if (cmpci_alloc_dmamem(handle, size, &addr))
1116 		return NULL;
1117 	return addr;
1118 }
1119 
1120 static void
1121 cmpci_freem(void *handle, void *addr, size_t size)
1122 {
1123 
1124 	cmpci_free_dmamem(handle, addr, size);
1125 }
1126 
1127 #define MAXVAL 256
1128 static int
1129 cmpci_adjust(int val, int mask)
1130 {
1131 
1132 	val += (MAXVAL - mask) >> 1;
1133 	if (val >= MAXVAL)
1134 		val = MAXVAL-1;
1135 	return val & mask;
1136 }
1137 
1138 static void
1139 cmpci_set_mixer_gain(struct cmpci_softc *sc, int port)
1140 {
1141 	int src;
1142 	int bits, mask;
1143 
1144 	switch (port) {
1145 	case CMPCI_MIC_VOL:
1146 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_MIC,
1147 		    CMPCI_ADJUST_MIC_GAIN(sc, sc->sc_gain[port][CMPCI_LR]));
1148 		return;
1149 	case CMPCI_MASTER_VOL:
1150 		src = CMPCI_SB16_MIXER_MASTER_L;
1151 		break;
1152 	case CMPCI_LINE_IN_VOL:
1153 		src = CMPCI_SB16_MIXER_LINE_L;
1154 		break;
1155 	case CMPCI_AUX_IN_VOL:
1156 		bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_MIXER_AUX,
1157 		    CMPCI_ADJUST_AUX_GAIN(sc, sc->sc_gain[port][CMPCI_LEFT],
1158 					      sc->sc_gain[port][CMPCI_RIGHT]));
1159 		return;
1160 	case CMPCI_MIC_RECVOL:
1161 		cmpci_reg_partial_write_1(sc, CMPCI_REG_MIXER25,
1162 		    CMPCI_REG_ADMIC_SHIFT, CMPCI_REG_ADMIC_MASK,
1163 		    CMPCI_ADJUST_ADMIC_GAIN(sc, sc->sc_gain[port][CMPCI_LR]));
1164 		return;
1165 	case CMPCI_DAC_VOL:
1166 		src = CMPCI_SB16_MIXER_VOICE_L;
1167 		break;
1168 	case CMPCI_FM_VOL:
1169 		src = CMPCI_SB16_MIXER_FM_L;
1170 		break;
1171 	case CMPCI_CD_VOL:
1172 		src = CMPCI_SB16_MIXER_CDDA_L;
1173 		break;
1174 	case CMPCI_PCSPEAKER:
1175 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_SPEAKER,
1176 		    CMPCI_ADJUST_2_GAIN(sc, sc->sc_gain[port][CMPCI_LR]));
1177 		return;
1178 	case CMPCI_MIC_PREAMP:
1179 		if (sc->sc_gain[port][CMPCI_LR])
1180 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER25,
1181 			    CMPCI_REG_MICGAINZ);
1182 		else
1183 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER25,
1184 			    CMPCI_REG_MICGAINZ);
1185 		return;
1186 
1187 	case CMPCI_DAC_MUTE:
1188 		if (sc->sc_gain[port][CMPCI_LR])
1189 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1190 			    CMPCI_REG_WSMUTE);
1191 		else
1192 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1193 			    CMPCI_REG_WSMUTE);
1194 		return;
1195 	case CMPCI_FM_MUTE:
1196 		if (sc->sc_gain[port][CMPCI_LR])
1197 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1198 			    CMPCI_REG_FMMUTE);
1199 		else
1200 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1201 			    CMPCI_REG_FMMUTE);
1202 		return;
1203 	case CMPCI_AUX_IN_MUTE:
1204 		if (sc->sc_gain[port][CMPCI_LR])
1205 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER25,
1206 			    CMPCI_REG_VAUXRM|CMPCI_REG_VAUXLM);
1207 		else
1208 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER25,
1209 			    CMPCI_REG_VAUXRM|CMPCI_REG_VAUXLM);
1210 		return;
1211 	case CMPCI_CD_MUTE:
1212 		mask = CMPCI_SB16_SW_CD;
1213 		goto sbmute;
1214 	case CMPCI_MIC_MUTE:
1215 		mask = CMPCI_SB16_SW_MIC;
1216 		goto sbmute;
1217 	case CMPCI_LINE_IN_MUTE:
1218 		mask = CMPCI_SB16_SW_LINE;
1219 	sbmute:
1220 		bits = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_OUTMIX);
1221 		if (sc->sc_gain[port][CMPCI_LR])
1222 			bits = bits & ~mask;
1223 		else
1224 			bits = bits | mask;
1225 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX, bits);
1226 		return;
1227 
1228 	case CMPCI_SPDIF_IN_SELECT:
1229 	case CMPCI_MONITOR_DAC:
1230 	case CMPCI_PLAYBACK_MODE:
1231 	case CMPCI_SPDIF_LOOP:
1232 	case CMPCI_SPDIF_OUT_PLAYBACK:
1233 		cmpci_set_out_ports(sc);
1234 		return;
1235 	case CMPCI_SPDIF_OUT_VOLTAGE:
1236 		if (CMPCI_ISCAP(sc, SPDOUT_VOLTAGE)) {
1237 			if (sc->sc_gain[CMPCI_SPDIF_OUT_VOLTAGE][CMPCI_LR]
1238 			    == CMPCI_SPDIF_OUT_VOLTAGE_HIGH)
1239 				cmpci_reg_clear_reg_misc(sc, CMPCI_REG_5V);
1240 			else
1241 				cmpci_reg_set_reg_misc(sc, CMPCI_REG_5V);
1242 		}
1243 		return;
1244 	case CMPCI_SURROUND:
1245 		if (CMPCI_ISCAP(sc, SURROUND)) {
1246 			if (sc->sc_gain[CMPCI_SURROUND][CMPCI_LR])
1247 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1248 						CMPCI_REG_SURROUND);
1249 			else
1250 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1251 						  CMPCI_REG_SURROUND);
1252 		}
1253 		return;
1254 	case CMPCI_REAR:
1255 		if (CMPCI_ISCAP(sc, REAR)) {
1256 			if (sc->sc_gain[CMPCI_REAR][CMPCI_LR])
1257 				cmpci_reg_set_reg_misc(sc, CMPCI_REG_N4SPK3D);
1258 			else
1259 				cmpci_reg_clear_reg_misc(sc, CMPCI_REG_N4SPK3D);
1260 		}
1261 		return;
1262 	case CMPCI_INDIVIDUAL:
1263 		if (CMPCI_ISCAP(sc, INDIVIDUAL_REAR)) {
1264 			if (sc->sc_gain[CMPCI_REAR][CMPCI_LR])
1265 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1266 						CMPCI_REG_INDIVIDUAL);
1267 			else
1268 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1269 						  CMPCI_REG_INDIVIDUAL);
1270 		}
1271 		return;
1272 	case CMPCI_REVERSE:
1273 		if (CMPCI_ISCAP(sc, REVERSE_FR)) {
1274 			if (sc->sc_gain[CMPCI_REVERSE][CMPCI_LR])
1275 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1276 						CMPCI_REG_REVERSE_FR);
1277 			else
1278 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1279 						  CMPCI_REG_REVERSE_FR);
1280 		}
1281 		return;
1282 	case CMPCI_SPDIF_IN_PHASE:
1283 		if (CMPCI_ISCAP(sc, SPDIN_PHASE)) {
1284 			if (sc->sc_gain[CMPCI_SPDIF_IN_PHASE][CMPCI_LR]
1285 			    == CMPCI_SPDIF_IN_PHASE_POSITIVE)
1286 				cmpci_reg_clear_1(sc, CMPCI_REG_CHANNEL_FORMAT,
1287 						  CMPCI_REG_SPDIN_PHASE);
1288 			else
1289 				cmpci_reg_set_1(sc, CMPCI_REG_CHANNEL_FORMAT,
1290 						CMPCI_REG_SPDIN_PHASE);
1291 		}
1292 		return;
1293 	default:
1294 		return;
1295 	}
1296 
1297 	cmpci_mixerreg_write(sc, src,
1298 	    CMPCI_ADJUST_GAIN(sc, sc->sc_gain[port][CMPCI_LEFT]));
1299 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_L_TO_R(src),
1300 	    CMPCI_ADJUST_GAIN(sc, sc->sc_gain[port][CMPCI_RIGHT]));
1301 }
1302 
1303 static void
1304 cmpci_set_out_ports(struct cmpci_softc *sc)
1305 {
1306 	uint8_t v;
1307 	int enspdout;
1308 
1309 	if (!CMPCI_ISCAP(sc, SPDLOOP))
1310 		return;
1311 
1312 	/* SPDIF/out select */
1313 	if (sc->sc_gain[CMPCI_SPDIF_LOOP][CMPCI_LR] == CMPCI_SPDIF_LOOP_OFF) {
1314 		/* playback */
1315 		cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF_LOOP);
1316 	} else {
1317 		/* monitor SPDIF/in */
1318 		cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF_LOOP);
1319 	}
1320 
1321 	/* SPDIF in select */
1322 	v = sc->sc_gain[CMPCI_SPDIF_IN_SELECT][CMPCI_LR];
1323 	if (v & CMPCI_SPDIFIN_SPDIFIN2)
1324 		cmpci_reg_set_reg_misc(sc, CMPCI_REG_2ND_SPDIFIN);
1325 	else
1326 		cmpci_reg_clear_reg_misc(sc, CMPCI_REG_2ND_SPDIFIN);
1327 	if (v & CMPCI_SPDIFIN_SPDIFOUT)
1328 		cmpci_reg_set_reg_misc(sc, CMPCI_REG_SPDFLOOPI);
1329 	else
1330 		cmpci_reg_clear_reg_misc(sc, CMPCI_REG_SPDFLOOPI);
1331 
1332 	enspdout = 0;
1333 	/* playback to ... */
1334 	if (CMPCI_ISCAP(sc, SPDOUT) &&
1335 	    sc->sc_gain[CMPCI_PLAYBACK_MODE][CMPCI_LR]
1336 		== CMPCI_PLAYBACK_MODE_SPDIF &&
1337 	    (sc->sc_play.md_divide == CMPCI_REG_RATE_44100 ||
1338 		(CMPCI_ISCAP(sc, SPDOUT_48K) &&
1339 		    sc->sc_play.md_divide==CMPCI_REG_RATE_48000))) {
1340 		/* playback to SPDIF */
1341 		cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF0_ENABLE);
1342 		enspdout = 1;
1343 		if (sc->sc_play.md_divide==CMPCI_REG_RATE_48000)
1344 			cmpci_reg_set_reg_misc(sc,
1345 				CMPCI_REG_SPDIFOUT_48K | CMPCI_REG_SPDIF48K);
1346 		else
1347 			cmpci_reg_clear_reg_misc(sc,
1348 				CMPCI_REG_SPDIFOUT_48K | CMPCI_REG_SPDIF48K);
1349 	} else {
1350 		/* playback to DAC */
1351 		cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1,
1352 				  CMPCI_REG_SPDIF0_ENABLE);
1353 		if (CMPCI_ISCAP(sc, SPDOUT_48K))
1354 			cmpci_reg_clear_reg_misc(sc,
1355 				CMPCI_REG_SPDIFOUT_48K | CMPCI_REG_SPDIF48K);
1356 	}
1357 
1358 	/* legacy to SPDIF/out or not */
1359 	if (CMPCI_ISCAP(sc, SPDLEGACY)) {
1360 		if (sc->sc_gain[CMPCI_SPDIF_OUT_PLAYBACK][CMPCI_LR]
1361 		    == CMPCI_SPDIF_OUT_PLAYBACK_WAVE)
1362 			cmpci_reg_clear_4(sc, CMPCI_REG_LEGACY_CTRL,
1363 					CMPCI_REG_LEGACY_SPDIF_ENABLE);
1364 		else {
1365 			cmpci_reg_set_4(sc, CMPCI_REG_LEGACY_CTRL,
1366 					CMPCI_REG_LEGACY_SPDIF_ENABLE);
1367 			enspdout = 1;
1368 		}
1369 	}
1370 
1371 	/* enable/disable SPDIF/out */
1372 	if (CMPCI_ISCAP(sc, XSPDOUT) && enspdout)
1373 		cmpci_reg_set_4(sc, CMPCI_REG_LEGACY_CTRL,
1374 				CMPCI_REG_XSPDIF_ENABLE);
1375 	else
1376 		cmpci_reg_clear_4(sc, CMPCI_REG_LEGACY_CTRL,
1377 				CMPCI_REG_XSPDIF_ENABLE);
1378 
1379 	/* SPDIF monitor (digital to analog output) */
1380 	if (CMPCI_ISCAP(sc, SPDIN_MONITOR)) {
1381 		v = sc->sc_gain[CMPCI_MONITOR_DAC][CMPCI_LR];
1382 		if (!(v & CMPCI_MONDAC_ENABLE))
1383 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1384 					CMPCI_REG_SPDIN_MONITOR);
1385 		if (v & CMPCI_MONDAC_SPDOUT)
1386 			cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1,
1387 					CMPCI_REG_SPDIFOUT_DAC);
1388 		else
1389 			cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1,
1390 					CMPCI_REG_SPDIFOUT_DAC);
1391 		if (v & CMPCI_MONDAC_ENABLE)
1392 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1393 					CMPCI_REG_SPDIN_MONITOR);
1394 	}
1395 }
1396 
1397 static int
1398 cmpci_set_in_ports(struct cmpci_softc *sc)
1399 {
1400 	int mask;
1401 	int bitsl, bitsr;
1402 
1403 	mask = sc->sc_in_mask;
1404 
1405 	/*
1406 	 * Note CMPCI_RECORD_SOURCE_CD, CMPCI_RECORD_SOURCE_LINE_IN and
1407 	 * CMPCI_RECORD_SOURCE_FM are defined to the corresponding bit
1408 	 * of the mixer register.
1409 	 */
1410 	bitsr = mask & (CMPCI_RECORD_SOURCE_CD | CMPCI_RECORD_SOURCE_LINE_IN |
1411 	    CMPCI_RECORD_SOURCE_FM);
1412 
1413 	bitsl = CMPCI_SB16_MIXER_SRC_R_TO_L(bitsr);
1414 	if (mask & CMPCI_RECORD_SOURCE_MIC) {
1415 		bitsl |= CMPCI_SB16_MIXER_MIC_SRC;
1416 		bitsr |= CMPCI_SB16_MIXER_MIC_SRC;
1417 	}
1418 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, bitsl);
1419 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, bitsr);
1420 
1421 	if (mask & CMPCI_RECORD_SOURCE_AUX_IN)
1422 		cmpci_reg_set_1(sc, CMPCI_REG_MIXER25,
1423 		    CMPCI_REG_RAUXREN | CMPCI_REG_RAUXLEN);
1424 	else
1425 		cmpci_reg_clear_1(sc, CMPCI_REG_MIXER25,
1426 		    CMPCI_REG_RAUXREN | CMPCI_REG_RAUXLEN);
1427 
1428 	if (mask & CMPCI_RECORD_SOURCE_WAVE)
1429 		cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1430 		    CMPCI_REG_WAVEINL | CMPCI_REG_WAVEINR);
1431 	else
1432 		cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1433 		    CMPCI_REG_WAVEINL | CMPCI_REG_WAVEINR);
1434 
1435 	if (CMPCI_ISCAP(sc, SPDIN) &&
1436 	    (sc->sc_rec.md_divide == CMPCI_REG_RATE_44100 ||
1437 		(CMPCI_ISCAP(sc, SPDOUT_48K) &&
1438 		    sc->sc_rec.md_divide == CMPCI_REG_RATE_48000/* XXX? */))) {
1439 		if (mask & CMPCI_RECORD_SOURCE_SPDIF) {
1440 			/* enable SPDIF/in */
1441 			cmpci_reg_set_4(sc,
1442 					CMPCI_REG_FUNC_1,
1443 					CMPCI_REG_SPDIF1_ENABLE);
1444 		} else {
1445 			cmpci_reg_clear_4(sc,
1446 					CMPCI_REG_FUNC_1,
1447 					CMPCI_REG_SPDIF1_ENABLE);
1448 		}
1449 	}
1450 
1451 	return 0;
1452 }
1453 
1454 static int
1455 cmpci_set_port(void *handle, mixer_ctrl_t *cp)
1456 {
1457 	struct cmpci_softc *sc;
1458 	int lgain, rgain;
1459 
1460 	sc = handle;
1461 	switch (cp->dev) {
1462 	case CMPCI_MIC_VOL:
1463 	case CMPCI_PCSPEAKER:
1464 	case CMPCI_MIC_RECVOL:
1465 		if (cp->un.value.num_channels != 1)
1466 			return EINVAL;
1467 		/* FALLTHROUGH */
1468 	case CMPCI_DAC_VOL:
1469 	case CMPCI_FM_VOL:
1470 	case CMPCI_CD_VOL:
1471 	case CMPCI_LINE_IN_VOL:
1472 	case CMPCI_AUX_IN_VOL:
1473 	case CMPCI_MASTER_VOL:
1474 		if (cp->type != AUDIO_MIXER_VALUE)
1475 			return EINVAL;
1476 		switch (cp->un.value.num_channels) {
1477 		case 1:
1478 			lgain = rgain =
1479 			    cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1480 			break;
1481 		case 2:
1482 			lgain = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1483 			rgain = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1484 			break;
1485 		default:
1486 			return EINVAL;
1487 		}
1488 		sc->sc_gain[cp->dev][CMPCI_LEFT]  = lgain;
1489 		sc->sc_gain[cp->dev][CMPCI_RIGHT] = rgain;
1490 
1491 		cmpci_set_mixer_gain(sc, cp->dev);
1492 		break;
1493 
1494 	case CMPCI_RECORD_SOURCE:
1495 		if (cp->type != AUDIO_MIXER_SET)
1496 			return EINVAL;
1497 
1498 		if (cp->un.mask & ~(CMPCI_RECORD_SOURCE_MIC |
1499 		    CMPCI_RECORD_SOURCE_CD | CMPCI_RECORD_SOURCE_LINE_IN |
1500 		    CMPCI_RECORD_SOURCE_AUX_IN | CMPCI_RECORD_SOURCE_WAVE |
1501 		    CMPCI_RECORD_SOURCE_FM | CMPCI_RECORD_SOURCE_SPDIF))
1502 			return EINVAL;
1503 
1504 		if (cp->un.mask & CMPCI_RECORD_SOURCE_SPDIF)
1505 			cp->un.mask = CMPCI_RECORD_SOURCE_SPDIF;
1506 
1507 		sc->sc_in_mask = cp->un.mask;
1508 		return cmpci_set_in_ports(sc);
1509 
1510 	/* boolean */
1511 	case CMPCI_DAC_MUTE:
1512 	case CMPCI_FM_MUTE:
1513 	case CMPCI_CD_MUTE:
1514 	case CMPCI_LINE_IN_MUTE:
1515 	case CMPCI_AUX_IN_MUTE:
1516 	case CMPCI_MIC_MUTE:
1517 	case CMPCI_MIC_PREAMP:
1518 	case CMPCI_PLAYBACK_MODE:
1519 	case CMPCI_SPDIF_IN_PHASE:
1520 	case CMPCI_SPDIF_LOOP:
1521 	case CMPCI_SPDIF_OUT_PLAYBACK:
1522 	case CMPCI_SPDIF_OUT_VOLTAGE:
1523 	case CMPCI_REAR:
1524 	case CMPCI_INDIVIDUAL:
1525 	case CMPCI_REVERSE:
1526 	case CMPCI_SURROUND:
1527 		if (cp->type != AUDIO_MIXER_ENUM)
1528 			return EINVAL;
1529 		sc->sc_gain[cp->dev][CMPCI_LR] = cp->un.ord != 0;
1530 		cmpci_set_mixer_gain(sc, cp->dev);
1531 		break;
1532 
1533 	case CMPCI_SPDIF_IN_SELECT:
1534 		switch (cp->un.ord) {
1535 		case CMPCI_SPDIF_IN_SPDIN1:
1536 		case CMPCI_SPDIF_IN_SPDIN2:
1537 		case CMPCI_SPDIF_IN_SPDOUT:
1538 			break;
1539 		default:
1540 			return EINVAL;
1541 		}
1542 		goto xenum;
1543 	case CMPCI_MONITOR_DAC:
1544 		switch (cp->un.ord) {
1545 		case CMPCI_MONITOR_DAC_OFF:
1546 		case CMPCI_MONITOR_DAC_SPDIN:
1547 		case CMPCI_MONITOR_DAC_SPDOUT:
1548 			break;
1549 		default:
1550 			return EINVAL;
1551 		}
1552 	xenum:
1553 		if (cp->type != AUDIO_MIXER_ENUM)
1554 			return EINVAL;
1555 		sc->sc_gain[cp->dev][CMPCI_LR] = cp->un.ord;
1556 		cmpci_set_mixer_gain(sc, cp->dev);
1557 		break;
1558 
1559 	default:
1560 	    return EINVAL;
1561 	}
1562 
1563 	return 0;
1564 }
1565 
1566 static int
1567 cmpci_get_port(void *handle, mixer_ctrl_t *cp)
1568 {
1569 	struct cmpci_softc *sc;
1570 
1571 	sc = handle;
1572 	switch (cp->dev) {
1573 	case CMPCI_MIC_VOL:
1574 	case CMPCI_PCSPEAKER:
1575 	case CMPCI_MIC_RECVOL:
1576 		if (cp->un.value.num_channels != 1)
1577 			return EINVAL;
1578 		/*FALLTHROUGH*/
1579 	case CMPCI_DAC_VOL:
1580 	case CMPCI_FM_VOL:
1581 	case CMPCI_CD_VOL:
1582 	case CMPCI_LINE_IN_VOL:
1583 	case CMPCI_AUX_IN_VOL:
1584 	case CMPCI_MASTER_VOL:
1585 		switch (cp->un.value.num_channels) {
1586 		case 1:
1587 			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1588 				sc->sc_gain[cp->dev][CMPCI_LEFT];
1589 			break;
1590 		case 2:
1591 			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
1592 				sc->sc_gain[cp->dev][CMPCI_LEFT];
1593 			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
1594 				sc->sc_gain[cp->dev][CMPCI_RIGHT];
1595 			break;
1596 		default:
1597 			return EINVAL;
1598 		}
1599 		break;
1600 
1601 	case CMPCI_RECORD_SOURCE:
1602 		cp->un.mask = sc->sc_in_mask;
1603 		break;
1604 
1605 	case CMPCI_DAC_MUTE:
1606 	case CMPCI_FM_MUTE:
1607 	case CMPCI_CD_MUTE:
1608 	case CMPCI_LINE_IN_MUTE:
1609 	case CMPCI_AUX_IN_MUTE:
1610 	case CMPCI_MIC_MUTE:
1611 	case CMPCI_MIC_PREAMP:
1612 	case CMPCI_PLAYBACK_MODE:
1613 	case CMPCI_SPDIF_IN_SELECT:
1614 	case CMPCI_SPDIF_IN_PHASE:
1615 	case CMPCI_SPDIF_LOOP:
1616 	case CMPCI_SPDIF_OUT_PLAYBACK:
1617 	case CMPCI_SPDIF_OUT_VOLTAGE:
1618 	case CMPCI_MONITOR_DAC:
1619 	case CMPCI_REAR:
1620 	case CMPCI_INDIVIDUAL:
1621 	case CMPCI_REVERSE:
1622 	case CMPCI_SURROUND:
1623 		cp->un.ord = sc->sc_gain[cp->dev][CMPCI_LR];
1624 		break;
1625 
1626 	default:
1627 		return EINVAL;
1628 	}
1629 
1630 	return 0;
1631 }
1632 
1633 /* ARGSUSED */
1634 static size_t
1635 cmpci_round_buffersize(void *handle, int direction,
1636     size_t bufsize)
1637 {
1638 
1639 	if (bufsize > 0x10000)
1640 		bufsize = 0x10000;
1641 
1642 	return bufsize;
1643 }
1644 
1645 static paddr_t
1646 cmpci_mappage(void *handle, void *addr, off_t offset, int prot)
1647 {
1648 	struct cmpci_dmanode *p;
1649 
1650 	if (offset < 0 || NULL == (p = cmpci_find_dmamem(handle, addr)))
1651 		return -1;
1652 
1653 	return bus_dmamem_mmap(p->cd_tag, p->cd_segs,
1654 		   sizeof(p->cd_segs)/sizeof(p->cd_segs[0]),
1655 		   offset, prot, BUS_DMA_WAITOK);
1656 }
1657 
1658 /* ARGSUSED */
1659 static int
1660 cmpci_get_props(void *handle)
1661 {
1662 
1663 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1664 }
1665 
1666 static int
1667 cmpci_trigger_output(void *handle, void *start, void *end, int blksize,
1668 		     void (*intr)(void *), void *arg,
1669 		     const audio_params_t *param)
1670 {
1671 	struct cmpci_softc *sc;
1672 	struct cmpci_dmanode *p;
1673 	int bps;
1674 
1675 	sc = handle;
1676 	sc->sc_play.intr = intr;
1677 	sc->sc_play.intr_arg = arg;
1678 	bps = param->channels * param->precision / 8;
1679 	if (!bps)
1680 		return EINVAL;
1681 
1682 	/* set DMA frame */
1683 	if (!(p = cmpci_find_dmamem(sc, start)))
1684 		return EINVAL;
1685 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BASE,
1686 	    DMAADDR(p));
1687 	delay(10);
1688 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BYTES,
1689 	    ((char *)end - (char *)start + 1) / bps - 1);
1690 	delay(10);
1691 
1692 	/* set interrupt count */
1693 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_SAMPLES,
1694 			  (blksize + bps - 1) / bps - 1);
1695 	delay(10);
1696 
1697 	/* start DMA */
1698 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_DIR); /* PLAY */
1699 	cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE);
1700 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE);
1701 
1702 	return 0;
1703 }
1704 
1705 static int
1706 cmpci_trigger_input(void *handle, void *start, void *end, int blksize,
1707 		    void (*intr)(void *), void *arg,
1708 		    const audio_params_t *param)
1709 {
1710 	struct cmpci_softc *sc;
1711 	struct cmpci_dmanode *p;
1712 	int bps;
1713 
1714 	sc = handle;
1715 	sc->sc_rec.intr = intr;
1716 	sc->sc_rec.intr_arg = arg;
1717 	bps = param->channels * param->precision / 8;
1718 	if (!bps)
1719 		return EINVAL;
1720 
1721 	/* set DMA frame */
1722 	if (!(p=cmpci_find_dmamem(sc, start)))
1723 		return EINVAL;
1724 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BASE,
1725 	    DMAADDR(p));
1726 	delay(10);
1727 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BYTES,
1728 	    ((char *)end - (char *)start + 1) / bps - 1);
1729 	delay(10);
1730 
1731 	/* set interrupt count */
1732 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_SAMPLES,
1733 	    (blksize + bps - 1) / bps - 1);
1734 	delay(10);
1735 
1736 	/* start DMA */
1737 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_DIR); /* REC */
1738 	cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE);
1739 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE);
1740 
1741 	return 0;
1742 }
1743 
1744 static void
1745 cmpci_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1746 {
1747 	struct cmpci_softc *sc;
1748 
1749 	sc = addr;
1750 	*intr = &sc->sc_intr_lock;
1751 	*thread = &sc->sc_lock;
1752 }
1753 
1754 /* end of file */
1755