xref: /netbsd-src/sys/dev/pci/cmpci.c (revision 404fbe5fb94ca1e054339640cabb2801ce52dd30)
1 /*	$NetBSD: cmpci.c,v 1.38 2008/04/10 19:13:36 cegger Exp $	*/
2 
3 /*
4  * Copyright (c) 2000, 2001 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 1.38 2008/04/10 19:13:36 cegger 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/malloc.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(struct device *, struct cfdata *, void *);
110 static void cmpci_attach(struct device *, struct device *, 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,
123 	struct malloc_type *, int, void **);
124 static int cmpci_free_dmamem(struct cmpci_softc *, void *,
125 	struct malloc_type *);
126 static struct cmpci_dmanode * cmpci_find_dmamem(struct cmpci_softc *,
127 	void *);
128 
129 
130 /*
131  * interface to machine independent layer
132  */
133 static int cmpci_query_encoding(void *, struct audio_encoding *);
134 static int cmpci_set_params(void *, int, int, audio_params_t *,
135 	audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
136 static int cmpci_round_blocksize(void *, int, int, const audio_params_t *);
137 static int cmpci_halt_output(void *);
138 static int cmpci_halt_input(void *);
139 static int cmpci_getdev(void *, struct audio_device *);
140 static int cmpci_set_port(void *, mixer_ctrl_t *);
141 static int cmpci_get_port(void *, mixer_ctrl_t *);
142 static int cmpci_query_devinfo(void *, mixer_devinfo_t *);
143 static void *cmpci_allocm(void *, int, size_t, struct malloc_type *, int);
144 static void cmpci_freem(void *, void *, struct malloc_type *);
145 static size_t cmpci_round_buffersize(void *, int, size_t);
146 static paddr_t cmpci_mappage(void *, void *, off_t, int);
147 static int cmpci_get_props(void *);
148 static int cmpci_trigger_output(void *, void *, void *, int,
149 	void (*)(void *), void *, const audio_params_t *);
150 static int cmpci_trigger_input(void *, void *, void *, int,
151 	void (*)(void *), void *, const audio_params_t *);
152 
153 static const struct audio_hw_if cmpci_hw_if = {
154 	NULL,			/* open */
155 	NULL,			/* close */
156 	NULL,			/* drain */
157 	cmpci_query_encoding,	/* query_encoding */
158 	cmpci_set_params,	/* set_params */
159 	cmpci_round_blocksize,	/* round_blocksize */
160 	NULL,			/* commit_settings */
161 	NULL,			/* init_output */
162 	NULL,			/* init_input */
163 	NULL,			/* start_output */
164 	NULL,			/* start_input */
165 	cmpci_halt_output,	/* halt_output */
166 	cmpci_halt_input,	/* halt_input */
167 	NULL,			/* speaker_ctl */
168 	cmpci_getdev,		/* getdev */
169 	NULL,			/* setfd */
170 	cmpci_set_port,		/* set_port */
171 	cmpci_get_port,		/* get_port */
172 	cmpci_query_devinfo,	/* query_devinfo */
173 	cmpci_allocm,		/* allocm */
174 	cmpci_freem,		/* freem */
175 	cmpci_round_buffersize,/* round_buffersize */
176 	cmpci_mappage,		/* mappage */
177 	cmpci_get_props,	/* get_props */
178 	cmpci_trigger_output,	/* trigger_output */
179 	cmpci_trigger_input,	/* trigger_input */
180 	NULL,			/* dev_ioctl */
181 	NULL,			/* powerstate */
182 };
183 
184 #define CMPCI_NFORMATS	4
185 static const struct audio_format cmpci_formats[CMPCI_NFORMATS] = {
186 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
187 	 2, AUFMT_STEREO, 0, {5512, 48000}},
188 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
189 	 1, AUFMT_MONAURAL, 0, {5512, 48000}},
190 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
191 	 2, AUFMT_STEREO, 0, {5512, 48000}},
192 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
193 	 1, AUFMT_MONAURAL, 0, {5512, 48000}},
194 };
195 
196 
197 /*
198  * Low-level HW interface
199  */
200 
201 /* mixer register read/write */
202 static inline uint8_t
203 cmpci_mixerreg_read(struct cmpci_softc *sc, uint8_t no)
204 {
205 	uint8_t ret;
206 
207 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no);
208 	delay(10);
209 	ret = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA);
210 	delay(10);
211 	return ret;
212 }
213 
214 static inline void
215 cmpci_mixerreg_write(struct cmpci_softc *sc, uint8_t no, uint8_t val)
216 {
217 
218 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no);
219 	delay(10);
220 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA, val);
221 	delay(10);
222 }
223 
224 
225 /* register partial write */
226 static inline void
227 cmpci_reg_partial_write_1(struct cmpci_softc *sc, int no, int shift,
228 			  unsigned mask, unsigned val)
229 {
230 
231 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
232 	    (val<<shift) |
233 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) & ~(mask<<shift)));
234 	delay(10);
235 }
236 
237 static inline void
238 cmpci_reg_partial_write_4(struct cmpci_softc *sc, int no, int shift,
239 			  uint32_t mask, uint32_t val)
240 {
241 
242 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
243 	    (val<<shift) |
244 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) & ~(mask<<shift)));
245 	delay(10);
246 }
247 
248 /* register set/clear bit */
249 static inline void
250 cmpci_reg_set_1(struct cmpci_softc *sc, int no, uint8_t mask)
251 {
252 
253 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
254 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) | mask));
255 	delay(10);
256 }
257 
258 static inline void
259 cmpci_reg_clear_1(struct cmpci_softc *sc, int no, uint8_t mask)
260 {
261 
262 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
263 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) & ~mask));
264 	delay(10);
265 }
266 
267 static inline void
268 cmpci_reg_set_4(struct cmpci_softc *sc, int no, uint32_t mask)
269 {
270 
271 	/* use cmpci_reg_set_reg_misc() for CMPCI_REG_MISC */
272 	KDASSERT(no != CMPCI_REG_MISC);
273 
274 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
275 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) | mask));
276 	delay(10);
277 }
278 
279 static inline void
280 cmpci_reg_clear_4(struct cmpci_softc *sc, int no, uint32_t mask)
281 {
282 
283 	/* use cmpci_reg_clear_reg_misc() for CMPCI_REG_MISC */
284 	KDASSERT(no != CMPCI_REG_MISC);
285 
286 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
287 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) & ~mask));
288 	delay(10);
289 }
290 
291 /*
292  * The CMPCI_REG_MISC register needs special handling, since one of
293  * its bits has different read/write values.
294  */
295 static inline void
296 cmpci_reg_set_reg_misc(struct cmpci_softc *sc, uint32_t mask)
297 {
298 
299 	sc->sc_reg_misc |= mask;
300 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_MISC,
301 	    sc->sc_reg_misc);
302 	delay(10);
303 }
304 
305 static inline void
306 cmpci_reg_clear_reg_misc(struct cmpci_softc *sc, uint32_t mask)
307 {
308 
309 	sc->sc_reg_misc &= ~mask;
310 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_MISC,
311 	    sc->sc_reg_misc);
312 	delay(10);
313 }
314 
315 /* rate */
316 static const struct {
317 	int rate;
318 	int divider;
319 } cmpci_rate_table[CMPCI_REG_NUMRATE] = {
320 #define _RATE(n) { n, CMPCI_REG_RATE_ ## n }
321 	_RATE(5512),
322 	_RATE(8000),
323 	_RATE(11025),
324 	_RATE(16000),
325 	_RATE(22050),
326 	_RATE(32000),
327 	_RATE(44100),
328 	_RATE(48000)
329 #undef	_RATE
330 };
331 
332 static int
333 cmpci_rate_to_index(int rate)
334 {
335 	int i;
336 
337 	for (i = 0; i < CMPCI_REG_NUMRATE - 1; i++)
338 		if (rate <=
339 		    (cmpci_rate_table[i].rate+cmpci_rate_table[i+1].rate) / 2)
340 			return i;
341 	return i;  /* 48000 */
342 }
343 
344 static inline int
345 cmpci_index_to_rate(int index)
346 {
347 
348 	return cmpci_rate_table[index].rate;
349 }
350 
351 static inline int
352 cmpci_index_to_divider(int index)
353 {
354 
355 	return cmpci_rate_table[index].divider;
356 }
357 
358 /*
359  * interface to configure the device.
360  */
361 static int
362 cmpci_match(struct device *parent, struct cfdata *match,
363     void *aux)
364 {
365 	struct pci_attach_args *pa;
366 
367 	pa = (struct pci_attach_args *)aux;
368 	if ( PCI_VENDOR(pa->pa_id) == PCI_VENDOR_CMEDIA &&
369 	     (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338A ||
370 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338B ||
371 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8738 ||
372 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8738B) )
373 		return 1;
374 
375 	return 0;
376 }
377 
378 static void
379 cmpci_attach(struct device *parent, struct device *self, void *aux)
380 {
381 	struct cmpci_softc *sc;
382 	struct pci_attach_args *pa;
383 	struct audio_attach_args aa;
384 	pci_intr_handle_t ih;
385 	char const *strintr;
386 	char devinfo[256];
387 	int i, v;
388 
389 	sc = (struct cmpci_softc *)self;
390 	pa = (struct pci_attach_args *)aux;
391 	aprint_naive(": Audio controller\n");
392 
393 	sc->sc_id = pa->pa_id;
394 	sc->sc_class = pa->pa_class;
395 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
396 	aprint_normal(": %s (rev. 0x%02x)\n", devinfo,
397 	    PCI_REVISION(sc->sc_class));
398 	switch (PCI_PRODUCT(sc->sc_id)) {
399 	case PCI_PRODUCT_CMEDIA_CMI8338A:
400 		/*FALLTHROUGH*/
401 	case PCI_PRODUCT_CMEDIA_CMI8338B:
402 		sc->sc_capable = CMPCI_CAP_CMI8338;
403 		break;
404 	case PCI_PRODUCT_CMEDIA_CMI8738:
405 		/*FALLTHROUGH*/
406 	case PCI_PRODUCT_CMEDIA_CMI8738B:
407 		sc->sc_capable = CMPCI_CAP_CMI8738;
408 		break;
409 	}
410 
411 	/* map I/O space */
412 	if (pci_mapreg_map(pa, CMPCI_PCI_IOBASEREG, PCI_MAPREG_TYPE_IO, 0,
413 		&sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
414 		aprint_error_dev(&sc->sc_dev, "failed to map I/O space\n");
415 		return;
416 	}
417 
418 	/* interrupt */
419 	if (pci_intr_map(pa, &ih)) {
420 		aprint_error_dev(&sc->sc_dev, "failed to map interrupt\n");
421 		return;
422 	}
423 	strintr = pci_intr_string(pa->pa_pc, ih);
424 	sc->sc_ih=pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, cmpci_intr, sc);
425 	if (sc->sc_ih == NULL) {
426 		aprint_error_dev(&sc->sc_dev, "failed to establish interrupt");
427 		if (strintr != NULL)
428 			aprint_normal(" at %s", strintr);
429 		aprint_normal("\n");
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 	intrstat = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
531 	    CMPCI_REG_INTR_STATUS);
532 
533 	if (!(intrstat & CMPCI_REG_ANY_INTR))
534 		return 0;
535 
536 	delay(10);
537 
538 	/* disable and reset intr */
539 	if (intrstat & CMPCI_REG_CH0_INTR)
540 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
541 		   CMPCI_REG_CH0_INTR_ENABLE);
542 	if (intrstat & CMPCI_REG_CH1_INTR)
543 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
544 		    CMPCI_REG_CH1_INTR_ENABLE);
545 
546 	if (intrstat & CMPCI_REG_CH0_INTR) {
547 		if (sc->sc_play.intr != NULL)
548 			(*sc->sc_play.intr)(sc->sc_play.intr_arg);
549 	}
550 	if (intrstat & CMPCI_REG_CH1_INTR) {
551 		if (sc->sc_rec.intr != NULL)
552 			(*sc->sc_rec.intr)(sc->sc_rec.intr_arg);
553 	}
554 
555 	/* enable intr */
556 	if (intrstat & CMPCI_REG_CH0_INTR)
557 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
558 		    CMPCI_REG_CH0_INTR_ENABLE);
559 	if (intrstat & CMPCI_REG_CH1_INTR)
560 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
561 		    CMPCI_REG_CH1_INTR_ENABLE);
562 
563 #if NMPU > 0
564 	if (intrstat & CMPCI_REG_UART_INTR && sc_mpu != NULL)
565 		mpu_intr(sc_mpu);
566 #endif
567 
568 	return 1;
569 }
570 
571 static int
572 cmpci_query_encoding(void *handle, struct audio_encoding *fp)
573 {
574 
575 	switch (fp->index) {
576 	case 0:
577 		strcpy(fp->name, AudioEulinear);
578 		fp->encoding = AUDIO_ENCODING_ULINEAR;
579 		fp->precision = 8;
580 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
581 		break;
582 	case 1:
583 		strcpy(fp->name, AudioEmulaw);
584 		fp->encoding = AUDIO_ENCODING_ULAW;
585 		fp->precision = 8;
586 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
587 		break;
588 	case 2:
589 		strcpy(fp->name, AudioEalaw);
590 		fp->encoding = AUDIO_ENCODING_ALAW;
591 		fp->precision = 8;
592 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
593 		break;
594 	case 3:
595 		strcpy(fp->name, AudioEslinear);
596 		fp->encoding = AUDIO_ENCODING_SLINEAR;
597 		fp->precision = 8;
598 		fp->flags = 0;
599 		break;
600 	case 4:
601 		strcpy(fp->name, AudioEslinear_le);
602 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
603 		fp->precision = 16;
604 		fp->flags = 0;
605 		break;
606 	case 5:
607 		strcpy(fp->name, AudioEulinear_le);
608 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
609 		fp->precision = 16;
610 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
611 		break;
612 	case 6:
613 		strcpy(fp->name, AudioEslinear_be);
614 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
615 		fp->precision = 16;
616 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
617 		break;
618 	case 7:
619 		strcpy(fp->name, AudioEulinear_be);
620 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
621 		fp->precision = 16;
622 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
623 		break;
624 	default:
625 		return EINVAL;
626 	}
627 	return 0;
628 }
629 
630 
631 static int
632 cmpci_set_params(void *handle, int setmode, int usemode,
633     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
634     stream_filter_list_t *rfil)
635 {
636 	int i;
637 	struct cmpci_softc *sc;
638 
639 	sc = handle;
640 	for (i = 0; i < 2; i++) {
641 		int md_format;
642 		int md_divide;
643 		int md_index;
644 		int mode;
645 		audio_params_t *p;
646 		stream_filter_list_t *fil;
647 		int ind;
648 
649 		switch (i) {
650 		case 0:
651 			mode = AUMODE_PLAY;
652 			p = play;
653 			fil = pfil;
654 			break;
655 		case 1:
656 			mode = AUMODE_RECORD;
657 			p = rec;
658 			fil = rfil;
659 			break;
660 		default:
661 			return EINVAL;
662 		}
663 
664 		if (!(setmode & mode))
665 			continue;
666 
667 		md_index = cmpci_rate_to_index(p->sample_rate);
668 		md_divide = cmpci_index_to_divider(md_index);
669 		p->sample_rate = cmpci_index_to_rate(md_index);
670 		DPRINTF(("%s: sample:%u, divider=%d\n",
671 			 device_xname(&sc->sc_dev), p->sample_rate, md_divide));
672 
673 		ind = auconv_set_converter(cmpci_formats, CMPCI_NFORMATS,
674 					   mode, p, FALSE, fil);
675 		if (ind < 0)
676 			return EINVAL;
677 		if (fil->req_size > 0)
678 			p = &fil->filters[0].param;
679 
680 		/* format */
681 		md_format = p->channels == 1
682 			? CMPCI_REG_FORMAT_MONO : CMPCI_REG_FORMAT_STEREO;
683 		md_format |= p->precision == 16
684 			? CMPCI_REG_FORMAT_16BIT : CMPCI_REG_FORMAT_8BIT;
685 		if (mode & AUMODE_PLAY) {
686 			cmpci_reg_partial_write_4(sc,
687 			   CMPCI_REG_CHANNEL_FORMAT,
688 			   CMPCI_REG_CH0_FORMAT_SHIFT,
689 			   CMPCI_REG_CH0_FORMAT_MASK, md_format);
690 			cmpci_reg_partial_write_4(sc,
691 			    CMPCI_REG_FUNC_1, CMPCI_REG_DAC_FS_SHIFT,
692 			    CMPCI_REG_DAC_FS_MASK, md_divide);
693 			sc->sc_play.md_divide = md_divide;
694 		} else {
695 			cmpci_reg_partial_write_4(sc,
696 			   CMPCI_REG_CHANNEL_FORMAT,
697 			   CMPCI_REG_CH1_FORMAT_SHIFT,
698 			   CMPCI_REG_CH1_FORMAT_MASK, md_format);
699 			cmpci_reg_partial_write_4(sc,
700 			    CMPCI_REG_FUNC_1, CMPCI_REG_ADC_FS_SHIFT,
701 			    CMPCI_REG_ADC_FS_MASK, md_divide);
702 			sc->sc_rec.md_divide = md_divide;
703 		}
704 		cmpci_set_out_ports(sc);
705 		cmpci_set_in_ports(sc);
706 	}
707 	return 0;
708 }
709 
710 /* ARGSUSED */
711 static int
712 cmpci_round_blocksize(void *handle, int block,
713     int mode, const audio_params_t *param)
714 {
715 
716 	return block & -4;
717 }
718 
719 static int
720 cmpci_halt_output(void *handle)
721 {
722 	struct cmpci_softc *sc;
723 	int s;
724 
725 	sc = handle;
726 	s = splaudio();
727 	sc->sc_play.intr = NULL;
728 	cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE);
729 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE);
730 	/* wait for reset DMA */
731 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
732 	delay(10);
733 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
734 	splx(s);
735 
736 	return 0;
737 }
738 
739 static int
740 cmpci_halt_input(void *handle)
741 {
742 	struct cmpci_softc *sc;
743 	int s;
744 
745 	sc = handle;
746 	s = splaudio();
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 	splx(s);
755 
756 	return 0;
757 }
758 
759 /* get audio device information */
760 static int
761 cmpci_getdev(void *handle, struct audio_device *ad)
762 {
763 	struct cmpci_softc *sc;
764 
765 	sc = handle;
766 	strncpy(ad->name, "CMI PCI Audio", sizeof(ad->name));
767 	snprintf(ad->version, sizeof(ad->version), "0x%02x",
768 		 PCI_REVISION(sc->sc_class));
769 	switch (PCI_PRODUCT(sc->sc_id)) {
770 	case PCI_PRODUCT_CMEDIA_CMI8338A:
771 		strncpy(ad->config, "CMI8338A", sizeof(ad->config));
772 		break;
773 	case PCI_PRODUCT_CMEDIA_CMI8338B:
774 		strncpy(ad->config, "CMI8338B", sizeof(ad->config));
775 		break;
776 	case PCI_PRODUCT_CMEDIA_CMI8738:
777 		strncpy(ad->config, "CMI8738", sizeof(ad->config));
778 		break;
779 	case PCI_PRODUCT_CMEDIA_CMI8738B:
780 		strncpy(ad->config, "CMI8738B", sizeof(ad->config));
781 		break;
782 	default:
783 		strncpy(ad->config, "unknown", sizeof(ad->config));
784 	}
785 
786 	return 0;
787 }
788 
789 /* mixer device information */
790 int
791 cmpci_query_devinfo(void *handle, mixer_devinfo_t *dip)
792 {
793 	static const char *const mixer_port_names[] = {
794 		AudioNdac, AudioNfmsynth, AudioNcd, AudioNline, AudioNaux,
795 		AudioNmicrophone
796 	};
797 	static const char *const mixer_classes[] = {
798 		AudioCinputs, AudioCoutputs, AudioCrecord, CmpciCplayback,
799 		CmpciCspdif
800 	};
801 	struct cmpci_softc *sc;
802 	int i;
803 
804 	sc = handle;
805 	dip->prev = dip->next = AUDIO_MIXER_LAST;
806 
807 	switch (dip->index) {
808 	case CMPCI_INPUT_CLASS:
809 	case CMPCI_OUTPUT_CLASS:
810 	case CMPCI_RECORD_CLASS:
811 	case CMPCI_PLAYBACK_CLASS:
812 	case CMPCI_SPDIF_CLASS:
813 		dip->type = AUDIO_MIXER_CLASS;
814 		dip->mixer_class = dip->index;
815 		strcpy(dip->label.name,
816 		    mixer_classes[dip->index - CMPCI_INPUT_CLASS]);
817 		return 0;
818 
819 	case CMPCI_AUX_IN_VOL:
820 		dip->un.v.delta = 1 << (8 - CMPCI_REG_AUX_VALBITS);
821 		goto vol1;
822 	case CMPCI_DAC_VOL:
823 	case CMPCI_FM_VOL:
824 	case CMPCI_CD_VOL:
825 	case CMPCI_LINE_IN_VOL:
826 	case CMPCI_MIC_VOL:
827 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_VALBITS);
828 	vol1:	dip->mixer_class = CMPCI_INPUT_CLASS;
829 		dip->next = dip->index + 6;	/* CMPCI_xxx_MUTE */
830 		strcpy(dip->label.name, mixer_port_names[dip->index]);
831 		dip->un.v.num_channels = (dip->index == CMPCI_MIC_VOL ? 1 : 2);
832 	vol:
833 		dip->type = AUDIO_MIXER_VALUE;
834 		strcpy(dip->un.v.units.name, AudioNvolume);
835 		return 0;
836 
837 	case CMPCI_MIC_MUTE:
838 		dip->next = CMPCI_MIC_PREAMP;
839 		/* FALLTHROUGH */
840 	case CMPCI_DAC_MUTE:
841 	case CMPCI_FM_MUTE:
842 	case CMPCI_CD_MUTE:
843 	case CMPCI_LINE_IN_MUTE:
844 	case CMPCI_AUX_IN_MUTE:
845 		dip->prev = dip->index - 6;	/* CMPCI_xxx_VOL */
846 		dip->mixer_class = CMPCI_INPUT_CLASS;
847 		strcpy(dip->label.name, AudioNmute);
848 		goto on_off;
849 	on_off:
850 		dip->type = AUDIO_MIXER_ENUM;
851 		dip->un.e.num_mem = 2;
852 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
853 		dip->un.e.member[0].ord = 0;
854 		strcpy(dip->un.e.member[1].label.name, AudioNon);
855 		dip->un.e.member[1].ord = 1;
856 		return 0;
857 
858 	case CMPCI_MIC_PREAMP:
859 		dip->mixer_class = CMPCI_INPUT_CLASS;
860 		dip->prev = CMPCI_MIC_MUTE;
861 		strcpy(dip->label.name, AudioNpreamp);
862 		goto on_off;
863 	case CMPCI_PCSPEAKER:
864 		dip->mixer_class = CMPCI_INPUT_CLASS;
865 		strcpy(dip->label.name, AudioNspeaker);
866 		dip->un.v.num_channels = 1;
867 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_SPEAKER_VALBITS);
868 		goto vol;
869 	case CMPCI_RECORD_SOURCE:
870 		dip->mixer_class = CMPCI_RECORD_CLASS;
871 		strcpy(dip->label.name, AudioNsource);
872 		dip->type = AUDIO_MIXER_SET;
873 		dip->un.s.num_mem = 7;
874 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
875 		dip->un.s.member[0].mask = CMPCI_RECORD_SOURCE_MIC;
876 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
877 		dip->un.s.member[1].mask = CMPCI_RECORD_SOURCE_CD;
878 		strcpy(dip->un.s.member[2].label.name, AudioNline);
879 		dip->un.s.member[2].mask = CMPCI_RECORD_SOURCE_LINE_IN;
880 		strcpy(dip->un.s.member[3].label.name, AudioNaux);
881 		dip->un.s.member[3].mask = CMPCI_RECORD_SOURCE_AUX_IN;
882 		strcpy(dip->un.s.member[4].label.name, AudioNwave);
883 		dip->un.s.member[4].mask = CMPCI_RECORD_SOURCE_WAVE;
884 		strcpy(dip->un.s.member[5].label.name, AudioNfmsynth);
885 		dip->un.s.member[5].mask = CMPCI_RECORD_SOURCE_FM;
886 		strcpy(dip->un.s.member[6].label.name, CmpciNspdif);
887 		dip->un.s.member[6].mask = CMPCI_RECORD_SOURCE_SPDIF;
888 		return 0;
889 	case CMPCI_MIC_RECVOL:
890 		dip->mixer_class = CMPCI_RECORD_CLASS;
891 		strcpy(dip->label.name, AudioNmicrophone);
892 		dip->un.v.num_channels = 1;
893 		dip->un.v.delta = 1 << (8 - CMPCI_REG_ADMIC_VALBITS);
894 		goto vol;
895 
896 	case CMPCI_PLAYBACK_MODE:
897 		dip->mixer_class = CMPCI_PLAYBACK_CLASS;
898 		dip->type = AUDIO_MIXER_ENUM;
899 		strcpy(dip->label.name, AudioNmode);
900 		dip->un.e.num_mem = 2;
901 		strcpy(dip->un.e.member[0].label.name, AudioNdac);
902 		dip->un.e.member[0].ord = CMPCI_PLAYBACK_MODE_WAVE;
903 		strcpy(dip->un.e.member[1].label.name, CmpciNspdif);
904 		dip->un.e.member[1].ord = CMPCI_PLAYBACK_MODE_SPDIF;
905 		return 0;
906 	case CMPCI_SPDIF_IN_SELECT:
907 		dip->mixer_class = CMPCI_SPDIF_CLASS;
908 		dip->type = AUDIO_MIXER_ENUM;
909 		dip->next = CMPCI_SPDIF_IN_PHASE;
910 		strcpy(dip->label.name, AudioNinput);
911 		i = 0;
912 		strcpy(dip->un.e.member[i].label.name, CmpciNspdin1);
913 		dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDIN1;
914 		if (CMPCI_ISCAP(sc, 2ND_SPDIN)) {
915 			strcpy(dip->un.e.member[i].label.name, CmpciNspdin2);
916 			dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDIN2;
917 		}
918 		strcpy(dip->un.e.member[i].label.name, CmpciNspdout);
919 		dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDOUT;
920 		dip->un.e.num_mem = i;
921 		return 0;
922 	case CMPCI_SPDIF_IN_PHASE:
923 		dip->mixer_class = CMPCI_SPDIF_CLASS;
924 		dip->prev = CMPCI_SPDIF_IN_SELECT;
925 		strcpy(dip->label.name, CmpciNphase);
926 		dip->type = AUDIO_MIXER_ENUM;
927 		dip->un.e.num_mem = 2;
928 		strcpy(dip->un.e.member[0].label.name, CmpciNpositive);
929 		dip->un.e.member[0].ord = CMPCI_SPDIF_IN_PHASE_POSITIVE;
930 		strcpy(dip->un.e.member[1].label.name, CmpciNnegative);
931 		dip->un.e.member[1].ord = CMPCI_SPDIF_IN_PHASE_NEGATIVE;
932 		return 0;
933 	case CMPCI_SPDIF_LOOP:
934 		dip->mixer_class = CMPCI_SPDIF_CLASS;
935 		dip->next = CMPCI_SPDIF_OUT_PLAYBACK;
936 		strcpy(dip->label.name, AudioNoutput);
937 		dip->type = AUDIO_MIXER_ENUM;
938 		dip->un.e.num_mem = 2;
939 		strcpy(dip->un.e.member[0].label.name, CmpciNplayback);
940 		dip->un.e.member[0].ord = CMPCI_SPDIF_LOOP_OFF;
941 		strcpy(dip->un.e.member[1].label.name, CmpciNspdin);
942 		dip->un.e.member[1].ord = CMPCI_SPDIF_LOOP_ON;
943 		return 0;
944 	case CMPCI_SPDIF_OUT_PLAYBACK:
945 		dip->mixer_class = CMPCI_SPDIF_CLASS;
946 		dip->prev = CMPCI_SPDIF_LOOP;
947 		dip->next = CMPCI_SPDIF_OUT_VOLTAGE;
948 		strcpy(dip->label.name, CmpciNplayback);
949 		dip->type = AUDIO_MIXER_ENUM;
950 		dip->un.e.num_mem = 2;
951 		strcpy(dip->un.e.member[0].label.name, AudioNwave);
952 		dip->un.e.member[0].ord = CMPCI_SPDIF_OUT_PLAYBACK_WAVE;
953 		strcpy(dip->un.e.member[1].label.name, CmpciNlegacy);
954 		dip->un.e.member[1].ord = CMPCI_SPDIF_OUT_PLAYBACK_LEGACY;
955 		return 0;
956 	case CMPCI_SPDIF_OUT_VOLTAGE:
957 		dip->mixer_class = CMPCI_SPDIF_CLASS;
958 		dip->prev = CMPCI_SPDIF_OUT_PLAYBACK;
959 		strcpy(dip->label.name, CmpciNvoltage);
960 		dip->type = AUDIO_MIXER_ENUM;
961 		dip->un.e.num_mem = 2;
962 		strcpy(dip->un.e.member[0].label.name, CmpciNhigh_v);
963 		dip->un.e.member[0].ord = CMPCI_SPDIF_OUT_VOLTAGE_HIGH;
964 		strcpy(dip->un.e.member[1].label.name, CmpciNlow_v);
965 		dip->un.e.member[1].ord = CMPCI_SPDIF_OUT_VOLTAGE_LOW;
966 		return 0;
967 	case CMPCI_MONITOR_DAC:
968 		dip->mixer_class = CMPCI_SPDIF_CLASS;
969 		strcpy(dip->label.name, AudioNmonitor);
970 		dip->type = AUDIO_MIXER_ENUM;
971 		dip->un.e.num_mem = 3;
972 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
973 		dip->un.e.member[0].ord = CMPCI_MONITOR_DAC_OFF;
974 		strcpy(dip->un.e.member[1].label.name, CmpciNspdin);
975 		dip->un.e.member[1].ord = CMPCI_MONITOR_DAC_SPDIN;
976 		strcpy(dip->un.e.member[2].label.name, CmpciNspdout);
977 		dip->un.e.member[2].ord = CMPCI_MONITOR_DAC_SPDOUT;
978 		return 0;
979 
980 	case CMPCI_MASTER_VOL:
981 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
982 		strcpy(dip->label.name, AudioNmaster);
983 		dip->un.v.num_channels = 2;
984 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_VALBITS);
985 		goto vol;
986 	case CMPCI_REAR:
987 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
988 		dip->next = CMPCI_INDIVIDUAL;
989 		strcpy(dip->label.name, CmpciNrear);
990 		goto on_off;
991 	case CMPCI_INDIVIDUAL:
992 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
993 		dip->prev = CMPCI_REAR;
994 		dip->next = CMPCI_REVERSE;
995 		strcpy(dip->label.name, CmpciNindividual);
996 		goto on_off;
997 	case CMPCI_REVERSE:
998 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
999 		dip->prev = CMPCI_INDIVIDUAL;
1000 		strcpy(dip->label.name, CmpciNreverse);
1001 		goto on_off;
1002 	case CMPCI_SURROUND:
1003 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1004 		strcpy(dip->label.name, CmpciNsurround);
1005 		goto on_off;
1006 	}
1007 
1008 	return ENXIO;
1009 }
1010 
1011 static int
1012 cmpci_alloc_dmamem(struct cmpci_softc *sc, size_t size, struct malloc_type *type,
1013 		   int flags, void **r_addr)
1014 {
1015 	int error;
1016 	struct cmpci_dmanode *n;
1017 	int w;
1018 
1019 	error = 0;
1020 	n = malloc(sizeof(struct cmpci_dmanode), type, flags);
1021 	if (n == NULL) {
1022 		error = ENOMEM;
1023 		goto quit;
1024 	}
1025 
1026 	w = (flags & M_NOWAIT) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK;
1027 #define CMPCI_DMABUF_ALIGN    0x4
1028 #define CMPCI_DMABUF_BOUNDARY 0x0
1029 	n->cd_tag = sc->sc_dmat;
1030 	n->cd_size = size;
1031 	error = bus_dmamem_alloc(n->cd_tag, n->cd_size,
1032 	    CMPCI_DMABUF_ALIGN, CMPCI_DMABUF_BOUNDARY, n->cd_segs,
1033 	    sizeof(n->cd_segs)/sizeof(n->cd_segs[0]), &n->cd_nsegs, w);
1034 	if (error)
1035 		goto mfree;
1036 	error = bus_dmamem_map(n->cd_tag, n->cd_segs, n->cd_nsegs, n->cd_size,
1037 	    &n->cd_addr, w | BUS_DMA_COHERENT);
1038 	if (error)
1039 		goto dmafree;
1040 	error = bus_dmamap_create(n->cd_tag, n->cd_size, 1, n->cd_size, 0,
1041 	    w, &n->cd_map);
1042 	if (error)
1043 		goto unmap;
1044 	error = bus_dmamap_load(n->cd_tag, n->cd_map, n->cd_addr, n->cd_size,
1045 	    NULL, w);
1046 	if (error)
1047 		goto destroy;
1048 
1049 	n->cd_next = sc->sc_dmap;
1050 	sc->sc_dmap = n;
1051 	*r_addr = KVADDR(n);
1052 	return 0;
1053 
1054  destroy:
1055 	bus_dmamap_destroy(n->cd_tag, n->cd_map);
1056  unmap:
1057 	bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1058  dmafree:
1059 	bus_dmamem_free(n->cd_tag,
1060 			n->cd_segs, sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1061  mfree:
1062 	free(n, type);
1063  quit:
1064 	return error;
1065 }
1066 
1067 static int
1068 cmpci_free_dmamem(struct cmpci_softc *sc, void *addr, struct malloc_type *type)
1069 {
1070 	struct cmpci_dmanode **nnp;
1071 
1072 	for (nnp = &sc->sc_dmap; *nnp; nnp= &(*nnp)->cd_next) {
1073 		if ((*nnp)->cd_addr == addr) {
1074 			struct cmpci_dmanode *n = *nnp;
1075 			bus_dmamap_unload(n->cd_tag, n->cd_map);
1076 			bus_dmamap_destroy(n->cd_tag, n->cd_map);
1077 			bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1078 			bus_dmamem_free(n->cd_tag, n->cd_segs,
1079 			    sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1080 			free(n, type);
1081 			return 0;
1082 		}
1083 	}
1084 	return -1;
1085 }
1086 
1087 static struct cmpci_dmanode *
1088 cmpci_find_dmamem(struct cmpci_softc *sc, void *addr)
1089 {
1090 	struct cmpci_dmanode *p;
1091 
1092 	for (p = sc->sc_dmap; p; p = p->cd_next)
1093 		if (KVADDR(p) == (void *)addr)
1094 			break;
1095 	return p;
1096 }
1097 
1098 #if 0
1099 static void
1100 cmpci_print_dmamem(struct cmpci_dmanode *);
1101 static void
1102 cmpci_print_dmamem(struct cmpci_dmanode *p)
1103 {
1104 
1105 	DPRINTF(("DMA at virt:%p, dmaseg:%p, mapseg:%p, size:%p\n",
1106 		 (void *)p->cd_addr, (void *)p->cd_segs[0].ds_addr,
1107 		 (void *)DMAADDR(p), (void *)p->cd_size));
1108 }
1109 #endif /* DEBUG */
1110 
1111 static void *
1112 cmpci_allocm(void *handle, int direction, size_t size,
1113 	     struct malloc_type *type, int flags)
1114 {
1115 	void *addr;
1116 
1117 	addr = NULL;	/* XXX gcc */
1118 
1119 	if (cmpci_alloc_dmamem(handle, size, type, flags, &addr))
1120 		return NULL;
1121 	return addr;
1122 }
1123 
1124 static void
1125 cmpci_freem(void *handle, void *addr, struct malloc_type *type)
1126 {
1127 
1128 	cmpci_free_dmamem(handle, addr, type);
1129 }
1130 
1131 #define MAXVAL 256
1132 static int
1133 cmpci_adjust(int val, int mask)
1134 {
1135 
1136 	val += (MAXVAL - mask) >> 1;
1137 	if (val >= MAXVAL)
1138 		val = MAXVAL-1;
1139 	return val & mask;
1140 }
1141 
1142 static void
1143 cmpci_set_mixer_gain(struct cmpci_softc *sc, int port)
1144 {
1145 	int src;
1146 	int bits, mask;
1147 
1148 	switch (port) {
1149 	case CMPCI_MIC_VOL:
1150 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_MIC,
1151 		    CMPCI_ADJUST_MIC_GAIN(sc, sc->sc_gain[port][CMPCI_LR]));
1152 		return;
1153 	case CMPCI_MASTER_VOL:
1154 		src = CMPCI_SB16_MIXER_MASTER_L;
1155 		break;
1156 	case CMPCI_LINE_IN_VOL:
1157 		src = CMPCI_SB16_MIXER_LINE_L;
1158 		break;
1159 	case CMPCI_AUX_IN_VOL:
1160 		bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_MIXER_AUX,
1161 		    CMPCI_ADJUST_AUX_GAIN(sc, sc->sc_gain[port][CMPCI_LEFT],
1162 					      sc->sc_gain[port][CMPCI_RIGHT]));
1163 		return;
1164 	case CMPCI_MIC_RECVOL:
1165 		cmpci_reg_partial_write_1(sc, CMPCI_REG_MIXER25,
1166 		    CMPCI_REG_ADMIC_SHIFT, CMPCI_REG_ADMIC_MASK,
1167 		    CMPCI_ADJUST_ADMIC_GAIN(sc, sc->sc_gain[port][CMPCI_LR]));
1168 		return;
1169 	case CMPCI_DAC_VOL:
1170 		src = CMPCI_SB16_MIXER_VOICE_L;
1171 		break;
1172 	case CMPCI_FM_VOL:
1173 		src = CMPCI_SB16_MIXER_FM_L;
1174 		break;
1175 	case CMPCI_CD_VOL:
1176 		src = CMPCI_SB16_MIXER_CDDA_L;
1177 		break;
1178 	case CMPCI_PCSPEAKER:
1179 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_SPEAKER,
1180 		    CMPCI_ADJUST_2_GAIN(sc, sc->sc_gain[port][CMPCI_LR]));
1181 		return;
1182 	case CMPCI_MIC_PREAMP:
1183 		if (sc->sc_gain[port][CMPCI_LR])
1184 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER25,
1185 			    CMPCI_REG_MICGAINZ);
1186 		else
1187 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER25,
1188 			    CMPCI_REG_MICGAINZ);
1189 		return;
1190 
1191 	case CMPCI_DAC_MUTE:
1192 		if (sc->sc_gain[port][CMPCI_LR])
1193 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1194 			    CMPCI_REG_WSMUTE);
1195 		else
1196 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1197 			    CMPCI_REG_WSMUTE);
1198 		return;
1199 	case CMPCI_FM_MUTE:
1200 		if (sc->sc_gain[port][CMPCI_LR])
1201 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1202 			    CMPCI_REG_FMMUTE);
1203 		else
1204 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1205 			    CMPCI_REG_FMMUTE);
1206 		return;
1207 	case CMPCI_AUX_IN_MUTE:
1208 		if (sc->sc_gain[port][CMPCI_LR])
1209 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER25,
1210 			    CMPCI_REG_VAUXRM|CMPCI_REG_VAUXLM);
1211 		else
1212 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER25,
1213 			    CMPCI_REG_VAUXRM|CMPCI_REG_VAUXLM);
1214 		return;
1215 	case CMPCI_CD_MUTE:
1216 		mask = CMPCI_SB16_SW_CD;
1217 		goto sbmute;
1218 	case CMPCI_MIC_MUTE:
1219 		mask = CMPCI_SB16_SW_MIC;
1220 		goto sbmute;
1221 	case CMPCI_LINE_IN_MUTE:
1222 		mask = CMPCI_SB16_SW_LINE;
1223 	sbmute:
1224 		bits = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_OUTMIX);
1225 		if (sc->sc_gain[port][CMPCI_LR])
1226 			bits = bits & ~mask;
1227 		else
1228 			bits = bits | mask;
1229 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX, bits);
1230 		return;
1231 
1232 	case CMPCI_SPDIF_IN_SELECT:
1233 	case CMPCI_MONITOR_DAC:
1234 	case CMPCI_PLAYBACK_MODE:
1235 	case CMPCI_SPDIF_LOOP:
1236 	case CMPCI_SPDIF_OUT_PLAYBACK:
1237 		cmpci_set_out_ports(sc);
1238 		return;
1239 	case CMPCI_SPDIF_OUT_VOLTAGE:
1240 		if (CMPCI_ISCAP(sc, SPDOUT_VOLTAGE)) {
1241 			if (sc->sc_gain[CMPCI_SPDIF_OUT_VOLTAGE][CMPCI_LR]
1242 			    == CMPCI_SPDIF_OUT_VOLTAGE_HIGH)
1243 				cmpci_reg_clear_reg_misc(sc, CMPCI_REG_5V);
1244 			else
1245 				cmpci_reg_set_reg_misc(sc, CMPCI_REG_5V);
1246 		}
1247 		return;
1248 	case CMPCI_SURROUND:
1249 		if (CMPCI_ISCAP(sc, SURROUND)) {
1250 			if (sc->sc_gain[CMPCI_SURROUND][CMPCI_LR])
1251 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1252 						CMPCI_REG_SURROUND);
1253 			else
1254 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1255 						  CMPCI_REG_SURROUND);
1256 		}
1257 		return;
1258 	case CMPCI_REAR:
1259 		if (CMPCI_ISCAP(sc, REAR)) {
1260 			if (sc->sc_gain[CMPCI_REAR][CMPCI_LR])
1261 				cmpci_reg_set_reg_misc(sc, CMPCI_REG_N4SPK3D);
1262 			else
1263 				cmpci_reg_clear_reg_misc(sc, CMPCI_REG_N4SPK3D);
1264 		}
1265 		return;
1266 	case CMPCI_INDIVIDUAL:
1267 		if (CMPCI_ISCAP(sc, INDIVIDUAL_REAR)) {
1268 			if (sc->sc_gain[CMPCI_REAR][CMPCI_LR])
1269 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1270 						CMPCI_REG_INDIVIDUAL);
1271 			else
1272 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1273 						  CMPCI_REG_INDIVIDUAL);
1274 		}
1275 		return;
1276 	case CMPCI_REVERSE:
1277 		if (CMPCI_ISCAP(sc, REVERSE_FR)) {
1278 			if (sc->sc_gain[CMPCI_REVERSE][CMPCI_LR])
1279 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1280 						CMPCI_REG_REVERSE_FR);
1281 			else
1282 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1283 						  CMPCI_REG_REVERSE_FR);
1284 		}
1285 		return;
1286 	case CMPCI_SPDIF_IN_PHASE:
1287 		if (CMPCI_ISCAP(sc, SPDIN_PHASE)) {
1288 			if (sc->sc_gain[CMPCI_SPDIF_IN_PHASE][CMPCI_LR]
1289 			    == CMPCI_SPDIF_IN_PHASE_POSITIVE)
1290 				cmpci_reg_clear_1(sc, CMPCI_REG_CHANNEL_FORMAT,
1291 						  CMPCI_REG_SPDIN_PHASE);
1292 			else
1293 				cmpci_reg_set_1(sc, CMPCI_REG_CHANNEL_FORMAT,
1294 						CMPCI_REG_SPDIN_PHASE);
1295 		}
1296 		return;
1297 	default:
1298 		return;
1299 	}
1300 
1301 	cmpci_mixerreg_write(sc, src,
1302 	    CMPCI_ADJUST_GAIN(sc, sc->sc_gain[port][CMPCI_LEFT]));
1303 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_L_TO_R(src),
1304 	    CMPCI_ADJUST_GAIN(sc, sc->sc_gain[port][CMPCI_RIGHT]));
1305 }
1306 
1307 static void
1308 cmpci_set_out_ports(struct cmpci_softc *sc)
1309 {
1310 	uint8_t v;
1311 	int enspdout;
1312 
1313 	if (!CMPCI_ISCAP(sc, SPDLOOP))
1314 		return;
1315 
1316 	/* SPDIF/out select */
1317 	if (sc->sc_gain[CMPCI_SPDIF_LOOP][CMPCI_LR] == CMPCI_SPDIF_LOOP_OFF) {
1318 		/* playback */
1319 		cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF_LOOP);
1320 	} else {
1321 		/* monitor SPDIF/in */
1322 		cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF_LOOP);
1323 	}
1324 
1325 	/* SPDIF in select */
1326 	v = sc->sc_gain[CMPCI_SPDIF_IN_SELECT][CMPCI_LR];
1327 	if (v & CMPCI_SPDIFIN_SPDIFIN2)
1328 		cmpci_reg_set_reg_misc(sc, CMPCI_REG_2ND_SPDIFIN);
1329 	else
1330 		cmpci_reg_clear_reg_misc(sc, CMPCI_REG_2ND_SPDIFIN);
1331 	if (v & CMPCI_SPDIFIN_SPDIFOUT)
1332 		cmpci_reg_set_reg_misc(sc, CMPCI_REG_SPDFLOOPI);
1333 	else
1334 		cmpci_reg_clear_reg_misc(sc, CMPCI_REG_SPDFLOOPI);
1335 
1336 	enspdout = 0;
1337 	/* playback to ... */
1338 	if (CMPCI_ISCAP(sc, SPDOUT) &&
1339 	    sc->sc_gain[CMPCI_PLAYBACK_MODE][CMPCI_LR]
1340 		== CMPCI_PLAYBACK_MODE_SPDIF &&
1341 	    (sc->sc_play.md_divide == CMPCI_REG_RATE_44100 ||
1342 		(CMPCI_ISCAP(sc, SPDOUT_48K) &&
1343 		    sc->sc_play.md_divide==CMPCI_REG_RATE_48000))) {
1344 		/* playback to SPDIF */
1345 		cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF0_ENABLE);
1346 		enspdout = 1;
1347 		if (sc->sc_play.md_divide==CMPCI_REG_RATE_48000)
1348 			cmpci_reg_set_reg_misc(sc,
1349 				CMPCI_REG_SPDIFOUT_48K | CMPCI_REG_SPDIF48K);
1350 		else
1351 			cmpci_reg_clear_reg_misc(sc,
1352 				CMPCI_REG_SPDIFOUT_48K | CMPCI_REG_SPDIF48K);
1353 	} else {
1354 		/* playback to DAC */
1355 		cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1,
1356 				  CMPCI_REG_SPDIF0_ENABLE);
1357 		if (CMPCI_ISCAP(sc, SPDOUT_48K))
1358 			cmpci_reg_clear_reg_misc(sc,
1359 				CMPCI_REG_SPDIFOUT_48K | CMPCI_REG_SPDIF48K);
1360 	}
1361 
1362 	/* legacy to SPDIF/out or not */
1363 	if (CMPCI_ISCAP(sc, SPDLEGACY)) {
1364 		if (sc->sc_gain[CMPCI_SPDIF_OUT_PLAYBACK][CMPCI_LR]
1365 		    == CMPCI_SPDIF_OUT_PLAYBACK_WAVE)
1366 			cmpci_reg_clear_4(sc, CMPCI_REG_LEGACY_CTRL,
1367 					CMPCI_REG_LEGACY_SPDIF_ENABLE);
1368 		else {
1369 			cmpci_reg_set_4(sc, CMPCI_REG_LEGACY_CTRL,
1370 					CMPCI_REG_LEGACY_SPDIF_ENABLE);
1371 			enspdout = 1;
1372 		}
1373 	}
1374 
1375 	/* enable/disable SPDIF/out */
1376 	if (CMPCI_ISCAP(sc, XSPDOUT) && enspdout)
1377 		cmpci_reg_set_4(sc, CMPCI_REG_LEGACY_CTRL,
1378 				CMPCI_REG_XSPDIF_ENABLE);
1379 	else
1380 		cmpci_reg_clear_4(sc, CMPCI_REG_LEGACY_CTRL,
1381 				CMPCI_REG_XSPDIF_ENABLE);
1382 
1383 	/* SPDIF monitor (digital to analog output) */
1384 	if (CMPCI_ISCAP(sc, SPDIN_MONITOR)) {
1385 		v = sc->sc_gain[CMPCI_MONITOR_DAC][CMPCI_LR];
1386 		if (!(v & CMPCI_MONDAC_ENABLE))
1387 			cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1388 					CMPCI_REG_SPDIN_MONITOR);
1389 		if (v & CMPCI_MONDAC_SPDOUT)
1390 			cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1,
1391 					CMPCI_REG_SPDIFOUT_DAC);
1392 		else
1393 			cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1,
1394 					CMPCI_REG_SPDIFOUT_DAC);
1395 		if (v & CMPCI_MONDAC_ENABLE)
1396 			cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1397 					CMPCI_REG_SPDIN_MONITOR);
1398 	}
1399 }
1400 
1401 static int
1402 cmpci_set_in_ports(struct cmpci_softc *sc)
1403 {
1404 	int mask;
1405 	int bitsl, bitsr;
1406 
1407 	mask = sc->sc_in_mask;
1408 
1409 	/*
1410 	 * Note CMPCI_RECORD_SOURCE_CD, CMPCI_RECORD_SOURCE_LINE_IN and
1411 	 * CMPCI_RECORD_SOURCE_FM are defined to the corresponding bit
1412 	 * of the mixer register.
1413 	 */
1414 	bitsr = mask & (CMPCI_RECORD_SOURCE_CD | CMPCI_RECORD_SOURCE_LINE_IN |
1415 	    CMPCI_RECORD_SOURCE_FM);
1416 
1417 	bitsl = CMPCI_SB16_MIXER_SRC_R_TO_L(bitsr);
1418 	if (mask & CMPCI_RECORD_SOURCE_MIC) {
1419 		bitsl |= CMPCI_SB16_MIXER_MIC_SRC;
1420 		bitsr |= CMPCI_SB16_MIXER_MIC_SRC;
1421 	}
1422 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, bitsl);
1423 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, bitsr);
1424 
1425 	if (mask & CMPCI_RECORD_SOURCE_AUX_IN)
1426 		cmpci_reg_set_1(sc, CMPCI_REG_MIXER25,
1427 		    CMPCI_REG_RAUXREN | CMPCI_REG_RAUXLEN);
1428 	else
1429 		cmpci_reg_clear_1(sc, CMPCI_REG_MIXER25,
1430 		    CMPCI_REG_RAUXREN | CMPCI_REG_RAUXLEN);
1431 
1432 	if (mask & CMPCI_RECORD_SOURCE_WAVE)
1433 		cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1434 		    CMPCI_REG_WAVEINL | CMPCI_REG_WAVEINR);
1435 	else
1436 		cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1437 		    CMPCI_REG_WAVEINL | CMPCI_REG_WAVEINR);
1438 
1439 	if (CMPCI_ISCAP(sc, SPDIN) &&
1440 	    (sc->sc_rec.md_divide == CMPCI_REG_RATE_44100 ||
1441 		(CMPCI_ISCAP(sc, SPDOUT_48K) &&
1442 		    sc->sc_rec.md_divide == CMPCI_REG_RATE_48000/* XXX? */))) {
1443 		if (mask & CMPCI_RECORD_SOURCE_SPDIF) {
1444 			/* enable SPDIF/in */
1445 			cmpci_reg_set_4(sc,
1446 					CMPCI_REG_FUNC_1,
1447 					CMPCI_REG_SPDIF1_ENABLE);
1448 		} else {
1449 			cmpci_reg_clear_4(sc,
1450 					CMPCI_REG_FUNC_1,
1451 					CMPCI_REG_SPDIF1_ENABLE);
1452 		}
1453 	}
1454 
1455 	return 0;
1456 }
1457 
1458 static int
1459 cmpci_set_port(void *handle, mixer_ctrl_t *cp)
1460 {
1461 	struct cmpci_softc *sc;
1462 	int lgain, rgain;
1463 
1464 	sc = handle;
1465 	switch (cp->dev) {
1466 	case CMPCI_MIC_VOL:
1467 	case CMPCI_PCSPEAKER:
1468 	case CMPCI_MIC_RECVOL:
1469 		if (cp->un.value.num_channels != 1)
1470 			return EINVAL;
1471 		/* FALLTHROUGH */
1472 	case CMPCI_DAC_VOL:
1473 	case CMPCI_FM_VOL:
1474 	case CMPCI_CD_VOL:
1475 	case CMPCI_LINE_IN_VOL:
1476 	case CMPCI_AUX_IN_VOL:
1477 	case CMPCI_MASTER_VOL:
1478 		if (cp->type != AUDIO_MIXER_VALUE)
1479 			return EINVAL;
1480 		switch (cp->un.value.num_channels) {
1481 		case 1:
1482 			lgain = rgain =
1483 			    cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1484 			break;
1485 		case 2:
1486 			lgain = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1487 			rgain = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1488 			break;
1489 		default:
1490 			return EINVAL;
1491 		}
1492 		sc->sc_gain[cp->dev][CMPCI_LEFT]  = lgain;
1493 		sc->sc_gain[cp->dev][CMPCI_RIGHT] = rgain;
1494 
1495 		cmpci_set_mixer_gain(sc, cp->dev);
1496 		break;
1497 
1498 	case CMPCI_RECORD_SOURCE:
1499 		if (cp->type != AUDIO_MIXER_SET)
1500 			return EINVAL;
1501 
1502 		if (cp->un.mask & ~(CMPCI_RECORD_SOURCE_MIC |
1503 		    CMPCI_RECORD_SOURCE_CD | CMPCI_RECORD_SOURCE_LINE_IN |
1504 		    CMPCI_RECORD_SOURCE_AUX_IN | CMPCI_RECORD_SOURCE_WAVE |
1505 		    CMPCI_RECORD_SOURCE_FM | CMPCI_RECORD_SOURCE_SPDIF))
1506 			return EINVAL;
1507 
1508 		if (cp->un.mask & CMPCI_RECORD_SOURCE_SPDIF)
1509 			cp->un.mask = CMPCI_RECORD_SOURCE_SPDIF;
1510 
1511 		sc->sc_in_mask = cp->un.mask;
1512 		return cmpci_set_in_ports(sc);
1513 
1514 	/* boolean */
1515 	case CMPCI_DAC_MUTE:
1516 	case CMPCI_FM_MUTE:
1517 	case CMPCI_CD_MUTE:
1518 	case CMPCI_LINE_IN_MUTE:
1519 	case CMPCI_AUX_IN_MUTE:
1520 	case CMPCI_MIC_MUTE:
1521 	case CMPCI_MIC_PREAMP:
1522 	case CMPCI_PLAYBACK_MODE:
1523 	case CMPCI_SPDIF_IN_PHASE:
1524 	case CMPCI_SPDIF_LOOP:
1525 	case CMPCI_SPDIF_OUT_PLAYBACK:
1526 	case CMPCI_SPDIF_OUT_VOLTAGE:
1527 	case CMPCI_REAR:
1528 	case CMPCI_INDIVIDUAL:
1529 	case CMPCI_REVERSE:
1530 	case CMPCI_SURROUND:
1531 		if (cp->type != AUDIO_MIXER_ENUM)
1532 			return EINVAL;
1533 		sc->sc_gain[cp->dev][CMPCI_LR] = cp->un.ord != 0;
1534 		cmpci_set_mixer_gain(sc, cp->dev);
1535 		break;
1536 
1537 	case CMPCI_SPDIF_IN_SELECT:
1538 		switch (cp->un.ord) {
1539 		case CMPCI_SPDIF_IN_SPDIN1:
1540 		case CMPCI_SPDIF_IN_SPDIN2:
1541 		case CMPCI_SPDIF_IN_SPDOUT:
1542 			break;
1543 		default:
1544 			return EINVAL;
1545 		}
1546 		goto xenum;
1547 	case CMPCI_MONITOR_DAC:
1548 		switch (cp->un.ord) {
1549 		case CMPCI_MONITOR_DAC_OFF:
1550 		case CMPCI_MONITOR_DAC_SPDIN:
1551 		case CMPCI_MONITOR_DAC_SPDOUT:
1552 			break;
1553 		default:
1554 			return EINVAL;
1555 		}
1556 	xenum:
1557 		if (cp->type != AUDIO_MIXER_ENUM)
1558 			return EINVAL;
1559 		sc->sc_gain[cp->dev][CMPCI_LR] = cp->un.ord;
1560 		cmpci_set_mixer_gain(sc, cp->dev);
1561 		break;
1562 
1563 	default:
1564 	    return EINVAL;
1565 	}
1566 
1567 	return 0;
1568 }
1569 
1570 static int
1571 cmpci_get_port(void *handle, mixer_ctrl_t *cp)
1572 {
1573 	struct cmpci_softc *sc;
1574 
1575 	sc = handle;
1576 	switch (cp->dev) {
1577 	case CMPCI_MIC_VOL:
1578 	case CMPCI_PCSPEAKER:
1579 	case CMPCI_MIC_RECVOL:
1580 		if (cp->un.value.num_channels != 1)
1581 			return EINVAL;
1582 		/*FALLTHROUGH*/
1583 	case CMPCI_DAC_VOL:
1584 	case CMPCI_FM_VOL:
1585 	case CMPCI_CD_VOL:
1586 	case CMPCI_LINE_IN_VOL:
1587 	case CMPCI_AUX_IN_VOL:
1588 	case CMPCI_MASTER_VOL:
1589 		switch (cp->un.value.num_channels) {
1590 		case 1:
1591 			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1592 				sc->sc_gain[cp->dev][CMPCI_LEFT];
1593 			break;
1594 		case 2:
1595 			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
1596 				sc->sc_gain[cp->dev][CMPCI_LEFT];
1597 			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
1598 				sc->sc_gain[cp->dev][CMPCI_RIGHT];
1599 			break;
1600 		default:
1601 			return EINVAL;
1602 		}
1603 		break;
1604 
1605 	case CMPCI_RECORD_SOURCE:
1606 		cp->un.mask = sc->sc_in_mask;
1607 		break;
1608 
1609 	case CMPCI_DAC_MUTE:
1610 	case CMPCI_FM_MUTE:
1611 	case CMPCI_CD_MUTE:
1612 	case CMPCI_LINE_IN_MUTE:
1613 	case CMPCI_AUX_IN_MUTE:
1614 	case CMPCI_MIC_MUTE:
1615 	case CMPCI_MIC_PREAMP:
1616 	case CMPCI_PLAYBACK_MODE:
1617 	case CMPCI_SPDIF_IN_SELECT:
1618 	case CMPCI_SPDIF_IN_PHASE:
1619 	case CMPCI_SPDIF_LOOP:
1620 	case CMPCI_SPDIF_OUT_PLAYBACK:
1621 	case CMPCI_SPDIF_OUT_VOLTAGE:
1622 	case CMPCI_MONITOR_DAC:
1623 	case CMPCI_REAR:
1624 	case CMPCI_INDIVIDUAL:
1625 	case CMPCI_REVERSE:
1626 	case CMPCI_SURROUND:
1627 		cp->un.ord = sc->sc_gain[cp->dev][CMPCI_LR];
1628 		break;
1629 
1630 	default:
1631 		return EINVAL;
1632 	}
1633 
1634 	return 0;
1635 }
1636 
1637 /* ARGSUSED */
1638 static size_t
1639 cmpci_round_buffersize(void *handle, int direction,
1640     size_t bufsize)
1641 {
1642 
1643 	if (bufsize > 0x10000)
1644 		bufsize = 0x10000;
1645 
1646 	return bufsize;
1647 }
1648 
1649 static paddr_t
1650 cmpci_mappage(void *handle, void *addr, off_t offset, int prot)
1651 {
1652 	struct cmpci_dmanode *p;
1653 
1654 	if (offset < 0 || NULL == (p = cmpci_find_dmamem(handle, addr)))
1655 		return -1;
1656 
1657 	return bus_dmamem_mmap(p->cd_tag, p->cd_segs,
1658 		   sizeof(p->cd_segs)/sizeof(p->cd_segs[0]),
1659 		   offset, prot, BUS_DMA_WAITOK);
1660 }
1661 
1662 /* ARGSUSED */
1663 static int
1664 cmpci_get_props(void *handle)
1665 {
1666 
1667 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1668 }
1669 
1670 static int
1671 cmpci_trigger_output(void *handle, void *start, void *end, int blksize,
1672 		     void (*intr)(void *), void *arg,
1673 		     const audio_params_t *param)
1674 {
1675 	struct cmpci_softc *sc;
1676 	struct cmpci_dmanode *p;
1677 	int bps;
1678 
1679 	sc = handle;
1680 	sc->sc_play.intr = intr;
1681 	sc->sc_play.intr_arg = arg;
1682 	bps = param->channels * param->precision / 8;
1683 	if (!bps)
1684 		return EINVAL;
1685 
1686 	/* set DMA frame */
1687 	if (!(p = cmpci_find_dmamem(sc, start)))
1688 		return EINVAL;
1689 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BASE,
1690 	    DMAADDR(p));
1691 	delay(10);
1692 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BYTES,
1693 	    ((char *)end - (char *)start + 1) / bps - 1);
1694 	delay(10);
1695 
1696 	/* set interrupt count */
1697 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_SAMPLES,
1698 			  (blksize + bps - 1) / bps - 1);
1699 	delay(10);
1700 
1701 	/* start DMA */
1702 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_DIR); /* PLAY */
1703 	cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE);
1704 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE);
1705 
1706 	return 0;
1707 }
1708 
1709 static int
1710 cmpci_trigger_input(void *handle, void *start, void *end, int blksize,
1711 		    void (*intr)(void *), void *arg,
1712 		    const audio_params_t *param)
1713 {
1714 	struct cmpci_softc *sc;
1715 	struct cmpci_dmanode *p;
1716 	int bps;
1717 
1718 	sc = handle;
1719 	sc->sc_rec.intr = intr;
1720 	sc->sc_rec.intr_arg = arg;
1721 	bps = param->channels * param->precision / 8;
1722 	if (!bps)
1723 		return EINVAL;
1724 
1725 	/* set DMA frame */
1726 	if (!(p=cmpci_find_dmamem(sc, start)))
1727 		return EINVAL;
1728 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BASE,
1729 	    DMAADDR(p));
1730 	delay(10);
1731 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BYTES,
1732 	    ((char *)end - (char *)start + 1) / bps - 1);
1733 	delay(10);
1734 
1735 	/* set interrupt count */
1736 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_SAMPLES,
1737 	    (blksize + bps - 1) / bps - 1);
1738 	delay(10);
1739 
1740 	/* start DMA */
1741 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_DIR); /* REC */
1742 	cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE);
1743 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE);
1744 
1745 	return 0;
1746 }
1747 
1748 /* end of file */
1749