xref: /netbsd-src/sys/dev/pci/cmpci.c (revision 27578b9aac214cc7796ead81dcc5427e79d5f2a0)
1 /*	$NetBSD: cmpci.c,v 1.8 2001/09/04 13:36:07 itohy Exp $	*/
2 
3 /*
4  * Copyright (c) 2000 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  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  */
32 
33 /*
34  * C-Media CMI8x38 Audio Chip Support.
35  *
36  * TODO:
37  *   - Legacy MPU, OPL and Joystick support.
38  *
39  */
40 
41 #if defined(AUDIO_DEBUG) || defined(DEBUG)
42 #define DPRINTF(x) if (cmpcidebug) printf x
43 int cmpcidebug = 0;
44 #else
45 #define DPRINTF(x)
46 #endif
47 
48 #include "mpu.h"
49 
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/kernel.h>
53 #include <sys/malloc.h>
54 #include <sys/device.h>
55 #include <sys/proc.h>
56 
57 #include <dev/pci/pcidevs.h>
58 #include <dev/pci/pcivar.h>
59 
60 #include <sys/audioio.h>
61 #include <dev/audio_if.h>
62 #include <dev/midi_if.h>
63 
64 #include <dev/mulaw.h>
65 #include <dev/auconv.h>
66 #include <dev/pci/cmpcireg.h>
67 #include <dev/pci/cmpcivar.h>
68 
69 #include <dev/ic/mpuvar.h>
70 #include <machine/bus.h>
71 #include <machine/intr.h>
72 
73 /*
74  * Low-level HW interface
75  */
76 static __inline uint8_t cmpci_mixerreg_read __P((struct cmpci_softc *,
77 						 uint8_t));
78 static __inline void cmpci_mixerreg_write __P((struct cmpci_softc *,
79 					       uint8_t, uint8_t));
80 static __inline void cmpci_reg_partial_write_4 __P((struct cmpci_softc *,
81 						    int, int,
82 						    uint32_t, uint32_t));
83 static __inline void cmpci_reg_set_1 __P((struct cmpci_softc *,
84 					  int, uint8_t));
85 static __inline void cmpci_reg_clear_1 __P((struct cmpci_softc *,
86 					    int, uint8_t));
87 static __inline void cmpci_reg_set_4 __P((struct cmpci_softc *,
88 					  int, uint32_t));
89 static __inline void cmpci_reg_clear_4 __P((struct cmpci_softc *,
90 					    int, uint32_t));
91 static int cmpci_rate_to_index __P((int));
92 static __inline int cmpci_index_to_rate __P((int));
93 static __inline int cmpci_index_to_divider __P((int));
94 
95 static int cmpci_adjust __P((int, int));
96 static void cmpci_set_mixer_gain __P((struct cmpci_softc *, int));
97 static void cmpci_set_out_ports __P((struct cmpci_softc *));
98 static int cmpci_set_in_ports __P((struct cmpci_softc *, int));
99 
100 
101 /*
102  * autoconf interface
103  */
104 static int cmpci_match __P((struct device *, struct cfdata *, void *));
105 static void cmpci_attach __P((struct device *, struct device *, void *));
106 
107 struct cfattach cmpci_ca = {
108 	sizeof (struct cmpci_softc), cmpci_match, cmpci_attach
109 };
110 
111 /* interrupt */
112 static int cmpci_intr __P((void *));
113 
114 
115 /*
116  * DMA stuffs
117  */
118 static int cmpci_alloc_dmamem __P((struct cmpci_softc *,
119 				   size_t, int, int, caddr_t *));
120 static int cmpci_free_dmamem __P((struct cmpci_softc *, caddr_t, int));
121 static struct cmpci_dmanode * cmpci_find_dmamem __P((struct cmpci_softc *,
122 						     caddr_t));
123 
124 
125 /*
126  * interface to machine independent layer
127  */
128 static int cmpci_open __P((void *, int));
129 static void cmpci_close __P((void *));
130 static int cmpci_query_encoding __P((void *, struct audio_encoding *));
131 static int cmpci_set_params __P((void *, int, int,
132 				 struct audio_params *,
133 				 struct audio_params *));
134 static int cmpci_round_blocksize __P((void *, int));
135 static int cmpci_halt_output __P((void *));
136 static int cmpci_halt_input __P((void *));
137 static int cmpci_getdev __P((void *, struct audio_device *));
138 static int cmpci_set_port __P((void *, mixer_ctrl_t *));
139 static int cmpci_get_port __P((void *, mixer_ctrl_t *));
140 static int cmpci_query_devinfo __P((void *, mixer_devinfo_t *));
141 static void *cmpci_allocm __P((void *, int, size_t, int, int));
142 static void cmpci_freem __P((void *, void *, int));
143 static size_t cmpci_round_buffersize __P((void *, int, size_t));
144 static paddr_t cmpci_mappage __P((void *, void *, off_t, int));
145 static int cmpci_get_props __P((void *));
146 static int cmpci_trigger_output __P((void *, void *, void *, int,
147 				     void (*)(void *), void *,
148 				     struct audio_params *));
149 static int cmpci_trigger_input __P((void *, void *, void *, int,
150 				    void (*)(void *), void *,
151 				    struct audio_params *));
152 
153 static struct audio_hw_if cmpci_hw_if = {
154 	cmpci_open,		/* open */
155 	cmpci_close,		/* 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 };
181 
182 
183 /*
184  * Low-level HW interface
185  */
186 
187 /* mixer register read/write */
188 static __inline uint8_t
189 cmpci_mixerreg_read(sc, no)
190 	struct cmpci_softc *sc;
191 	uint8_t no;
192 {
193 	uint8_t ret;
194 
195 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no);
196 	delay(10);
197 	ret = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA);
198 	delay(10);
199 	return ret;
200 }
201 
202 static __inline void
203 cmpci_mixerreg_write(sc, no, val)
204 	struct cmpci_softc *sc;
205 	uint8_t no, val;
206 {
207 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no);
208 	delay(10);
209 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA, val);
210 	delay(10);
211 }
212 
213 
214 /* register partial write */
215 static __inline void
216 cmpci_reg_partial_write_4(sc, no, shift, mask, val)
217 	struct cmpci_softc *sc;
218 	int no, shift;
219 	uint32_t mask, val;
220 {
221 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
222 	    (val<<shift) |
223 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) & ~(mask<<shift)));
224 	delay(10);
225 }
226 
227 /* register set/clear bit */
228 static __inline void
229 cmpci_reg_set_1(sc, no, mask)
230 	struct cmpci_softc *sc;
231 	int no;
232 	uint8_t mask;
233 {
234 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
235 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) | mask));
236 	delay(10);
237 }
238 
239 static __inline void
240 cmpci_reg_clear_1(sc, no, mask)
241 	struct cmpci_softc *sc;
242 	int no;
243 	uint8_t mask;
244 {
245 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
246 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) & ~mask));
247 	delay(10);
248 }
249 
250 
251 static __inline void
252 cmpci_reg_set_4(sc, no, mask)
253 	struct cmpci_softc *sc;
254 	int no;
255 	uint32_t mask;
256 {
257 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
258 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) | mask));
259 	delay(10);
260 }
261 
262 static __inline void
263 cmpci_reg_clear_4(sc, no, mask)
264 	struct cmpci_softc *sc;
265 	int no;
266 	uint32_t mask;
267 {
268 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
269 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) & ~mask));
270 	delay(10);
271 }
272 
273 
274 /* rate */
275 static const struct {
276 	int rate;
277 	int divider;
278 } cmpci_rate_table[CMPCI_REG_NUMRATE] = {
279 #define _RATE(n) { n, CMPCI_REG_RATE_ ## n }
280 	_RATE(5512),
281 	_RATE(8000),
282 	_RATE(11025),
283 	_RATE(16000),
284 	_RATE(22050),
285 	_RATE(32000),
286 	_RATE(44100),
287 	_RATE(48000)
288 #undef	_RATE
289 };
290 
291 static int
292 cmpci_rate_to_index(rate)
293 	int rate;
294 {
295 	int i;
296 
297 	for (i = 0; i < CMPCI_REG_NUMRATE - 2; i++)
298 		if (rate <=
299 		    (cmpci_rate_table[i].rate+cmpci_rate_table[i+1].rate) / 2)
300 			return i;
301 	return i;  /* 48000 */
302 }
303 
304 static __inline int
305 cmpci_index_to_rate(index)
306 	int index;
307 {
308 	return cmpci_rate_table[index].rate;
309 }
310 
311 static __inline int
312 cmpci_index_to_divider(index)
313 	int index;
314 {
315 	return cmpci_rate_table[index].divider;
316 }
317 
318 
319 /*
320  * interface to configure the device.
321  */
322 
323 static int
324 cmpci_match(parent, match, aux)
325 	struct device *parent;
326 	struct cfdata *match;
327 	void *aux;
328 {
329 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
330 
331 	if ( PCI_VENDOR(pa->pa_id) == PCI_VENDOR_CMEDIA &&
332 	     (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338A ||
333 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338B ||
334 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8738 ||
335 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8738B) )
336 		return 1;
337 
338 	return 0;
339 }
340 
341 static void
342 cmpci_attach(parent, self, aux)
343 	struct device *parent, *self;
344 	void *aux;
345 {
346 	struct cmpci_softc *sc = (struct cmpci_softc *)self;
347 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
348 	struct audio_attach_args aa;
349 	pci_intr_handle_t ih;
350 	char const *strintr;
351 	char devinfo[256];
352 	int i, v;
353 
354 	sc->sc_id = pa->pa_id;
355 	sc->sc_class = pa->pa_class;
356 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
357 	printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(sc->sc_class));
358 	switch (PCI_PRODUCT(sc->sc_id)) {
359 	case PCI_PRODUCT_CMEDIA_CMI8338A:
360 		/*FALLTHROUGH*/
361 	case PCI_PRODUCT_CMEDIA_CMI8338B:
362 		sc->sc_capable = CMPCI_CAP_CMI8338;
363 		break;
364 	case PCI_PRODUCT_CMEDIA_CMI8738:
365 		/*FALLTHROUGH*/
366 	case PCI_PRODUCT_CMEDIA_CMI8738B:
367 		sc->sc_capable = CMPCI_CAP_CMI8738;
368 		break;
369 	}
370 
371 	/* map I/O space */
372 	if (pci_mapreg_map(pa, CMPCI_PCI_IOBASEREG, PCI_MAPREG_TYPE_IO, 0,
373 		&sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
374 		printf("%s: failed to map I/O space\n", sc->sc_dev.dv_xname);
375 		return;
376 	}
377 
378 	/* interrupt */
379 	if (pci_intr_map(pa, &ih)) {
380 		printf("%s: failed to map interrupt\n", sc->sc_dev.dv_xname);
381 		return;
382 	}
383 	strintr = pci_intr_string(pa->pa_pc, ih);
384 	sc->sc_ih=pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, cmpci_intr, sc);
385 	if (sc->sc_ih == NULL) {
386 		printf("%s: failed to establish interrupt",
387 		    sc->sc_dev.dv_xname);
388 		if (strintr != NULL)
389 			printf(" at %s", strintr);
390 		printf("\n");
391 		return;
392 	}
393 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, strintr);
394 
395 	sc->sc_dmat = pa->pa_dmat;
396 
397 	audio_attach_mi(&cmpci_hw_if, sc, &sc->sc_dev);
398 
399 	/* attach OPL device */
400 	aa.type = AUDIODEV_TYPE_OPL;
401 	aa.hwif = NULL;
402 	aa.hdl = NULL;
403 	(void)config_found(&sc->sc_dev, &aa, audioprint);
404 
405 	/* attach MPU-401 device */
406 	aa.type = AUDIODEV_TYPE_MPU;
407 	aa.hwif = NULL;
408 	aa.hdl = NULL;
409 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
410 	    CMPCI_REG_MPU_BASE, CMPCI_REG_MPU_SIZE, &sc->sc_mpu_ioh) == 0)
411 		sc->sc_mpudev = config_found(&sc->sc_dev, &aa, audioprint);
412 
413 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_RESET, 0);
414 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, 0);
415 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, 0);
416 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX,
417 	    CMPCI_SB16_SW_CD|CMPCI_SB16_SW_MIC | CMPCI_SB16_SW_LINE);
418 	for (i = 0; i < CMPCI_NDEVS; i++) {
419 		switch(i) {
420 		/* volumes */
421 		case CMPCI_MASTER_VOL:
422 		case CMPCI_FM_VOL:
423 		case CMPCI_CD_VOL:
424 		case CMPCI_VOICE_VOL:
425 		case CMPCI_BASS:
426 		case CMPCI_TREBLE:
427 		case CMPCI_PCSPEAKER:
428 		case CMPCI_INPUT_GAIN:
429 		case CMPCI_OUTPUT_GAIN:
430 			v = CMPCI_ADJUST_GAIN(sc, AUDIO_MAX_GAIN / 2);
431 			break;
432 		case CMPCI_MIC_VOL:
433 		case CMPCI_LINE_IN_VOL:
434 			v = 0;
435 			break;
436 
437 		/* booleans, set to true */
438 		case CMPCI_CD_OUT_MUTE:
439 		case CMPCI_MIC_OUT_MUTE:
440 		case CMPCI_LINE_OUT_MUTE:
441 		case CMPCI_SPDIF_IN_MUTE:
442 			v = 1;
443 			break;
444 		/* others are cleared */
445 		case CMPCI_RECORD_SOURCE:
446 		case CMPCI_CD_IN_MUTE:
447 		case CMPCI_MIC_IN_MUTE:
448 		case CMPCI_LINE_IN_MUTE:
449 		case CMPCI_FM_IN_MUTE:
450 		case CMPCI_CD_SWAP:
451 		case CMPCI_MIC_SWAP:
452 		case CMPCI_LINE_SWAP:
453 		case CMPCI_FM_SWAP:
454 		case CMPCI_SPDIF_LOOP:
455 		case CMPCI_SPDIF_LEGACY:
456 		case CMPCI_SPDIF_OUT_VOLTAGE:
457 		case CMPCI_SPDIF_IN_PHASE:
458 		case CMPCI_REAR:
459 		case CMPCI_INDIVIDUAL:
460 		case CMPCI_REVERSE:
461 		case CMPCI_SURROUND:
462 		default:
463 			v = 0;
464 			break;
465 		}
466 		sc->sc_gain[i][CMPCI_LEFT] = sc->sc_gain[i][CMPCI_RIGHT] = v;
467 		cmpci_set_mixer_gain(sc, i);
468 	}
469 }
470 
471 
472 static int
473 cmpci_intr(handle)
474 	void *handle;
475 {
476 	struct cmpci_softc *sc = handle;
477 	uint32_t intrstat;
478 
479 	intrstat = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
480 	    CMPCI_REG_INTR_STATUS);
481 
482 	if (!(intrstat & CMPCI_REG_ANY_INTR))
483 		return 0;
484 
485 	delay(10);
486 
487 	/* disable and reset intr */
488 	if (intrstat & CMPCI_REG_CH0_INTR)
489 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
490 		   CMPCI_REG_CH0_INTR_ENABLE);
491 	if (intrstat & CMPCI_REG_CH1_INTR)
492 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
493 		    CMPCI_REG_CH1_INTR_ENABLE);
494 
495 	if (intrstat & CMPCI_REG_CH0_INTR) {
496 		if (sc->sc_play.intr != NULL)
497 			(*sc->sc_play.intr)(sc->sc_play.intr_arg);
498 	}
499 	if (intrstat & CMPCI_REG_CH1_INTR) {
500 		if (sc->sc_rec.intr != NULL)
501 			(*sc->sc_rec.intr)(sc->sc_rec.intr_arg);
502 	}
503 
504 	/* enable intr */
505 	if (intrstat & CMPCI_REG_CH0_INTR)
506 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
507 		    CMPCI_REG_CH0_INTR_ENABLE);
508 	if (intrstat & CMPCI_REG_CH1_INTR)
509 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
510 		    CMPCI_REG_CH1_INTR_ENABLE);
511 
512 #if NMPU > 0
513 	if (intrstat & CMPCI_REG_UART_INTR && sc->sc_mpudev != NULL)
514 		mpu_intr(sc->sc_mpudev);
515 #endif
516 
517 	return 1;
518 }
519 
520 
521 /* open/close */
522 static int
523 cmpci_open(handle, flags)
524 	void *handle;
525 	int flags;
526 {
527 	return 0;
528 }
529 
530 static void
531 cmpci_close(handle)
532 	void *handle;
533 {
534 }
535 
536 static int
537 cmpci_query_encoding(handle, fp)
538 	void *handle;
539 	struct audio_encoding *fp;
540 {
541 	switch (fp->index) {
542 	case 0:
543 		strcpy(fp->name, AudioEulinear);
544 		fp->encoding = AUDIO_ENCODING_ULINEAR;
545 		fp->precision = 8;
546 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
547 		break;
548 	case 1:
549 		strcpy(fp->name, AudioEmulaw);
550 		fp->encoding = AUDIO_ENCODING_ULAW;
551 		fp->precision = 8;
552 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
553 		break;
554 	case 2:
555 		strcpy(fp->name, AudioEalaw);
556 		fp->encoding = AUDIO_ENCODING_ALAW;
557 		fp->precision = 8;
558 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
559 		break;
560 	case 3:
561 		strcpy(fp->name, AudioEslinear);
562 		fp->encoding = AUDIO_ENCODING_SLINEAR;
563 		fp->precision = 8;
564 		fp->flags = 0;
565 		break;
566 	case 4:
567 		strcpy(fp->name, AudioEslinear_le);
568 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
569 		fp->precision = 16;
570 		fp->flags = 0;
571 		break;
572 	case 5:
573 		strcpy(fp->name, AudioEulinear_le);
574 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
575 		fp->precision = 16;
576 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
577 		break;
578 	case 6:
579 		strcpy(fp->name, AudioEslinear_be);
580 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
581 		fp->precision = 16;
582 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
583 		break;
584 	case 7:
585 		strcpy(fp->name, AudioEulinear_be);
586 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
587 		fp->precision = 16;
588 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
589 		break;
590 	default:
591 		return EINVAL;
592 	}
593 	return 0;
594 }
595 
596 
597 static int
598 cmpci_set_params(handle, setmode, usemode, play, rec)
599 	void *handle;
600 	int setmode, usemode;
601 	struct audio_params *play, *rec;
602 {
603 	int i;
604 	struct cmpci_softc *sc = handle;
605 
606 	for (i = 0; i < 2; i++) {
607 		int md_format;
608 		int md_divide;
609 		int md_index;
610 		int mode;
611 		struct audio_params *p;
612 
613 		switch (i) {
614 		case 0:
615 			mode = AUMODE_PLAY;
616 			p = play;
617 			break;
618 		case 1:
619 			mode = AUMODE_RECORD;
620 			p = rec;
621 			break;
622 		}
623 
624 		if (!(setmode & mode))
625 			continue;
626 
627 
628 		/* format */
629 		p->sw_code = NULL;
630 		switch ( p->channels ) {
631 		case 1:
632 			md_format = CMPCI_REG_FORMAT_MONO;
633 			break;
634 		case 2:
635 			md_format = CMPCI_REG_FORMAT_STEREO;
636 			break;
637 		default:
638 			return (EINVAL);
639 		}
640 		switch (p->encoding) {
641 		case AUDIO_ENCODING_ULAW:
642 			if (p->precision != 8)
643 				return (EINVAL);
644 			if (mode & AUMODE_PLAY) {
645 				p->factor = 2;
646 				p->sw_code = mulaw_to_slinear16_le;
647 				md_format |= CMPCI_REG_FORMAT_16BIT;
648 			} else {
649 				p->sw_code = ulinear8_to_mulaw;
650 				md_format |= CMPCI_REG_FORMAT_8BIT;
651 			}
652 			break;
653 		case AUDIO_ENCODING_ALAW:
654 			if (p->precision != 8)
655 				return (EINVAL);
656 			if (mode & AUMODE_PLAY) {
657 				p->factor = 2;
658 				p->sw_code = alaw_to_slinear16_le;
659 				md_format |= CMPCI_REG_FORMAT_16BIT;
660 			} else {
661 				p->sw_code = ulinear8_to_alaw;
662 				md_format |= CMPCI_REG_FORMAT_8BIT;
663 			}
664 			break;
665 		case AUDIO_ENCODING_SLINEAR_LE:
666 			switch (p->precision) {
667 			case 8:
668 				p->sw_code = change_sign8;
669 				md_format |= CMPCI_REG_FORMAT_8BIT;
670 				break;
671 			case 16:
672 				md_format |= CMPCI_REG_FORMAT_16BIT;
673 				break;
674 			default:
675 				return (EINVAL);
676 			}
677 			break;
678 		case AUDIO_ENCODING_SLINEAR_BE:
679 			switch (p->precision) {
680 			case 8:
681 				md_format |= CMPCI_REG_FORMAT_8BIT;
682 				p->sw_code = change_sign8;
683 				break;
684 			case 16:
685 				md_format |= CMPCI_REG_FORMAT_16BIT;
686 				p->sw_code = swap_bytes;
687 				break;
688 			default:
689 				return (EINVAL);
690 			}
691 			break;
692 		case AUDIO_ENCODING_ULINEAR_LE:
693 			switch (p->precision) {
694 			case 8:
695 				md_format |= CMPCI_REG_FORMAT_8BIT;
696 				break;
697 			case 16:
698 				md_format |= CMPCI_REG_FORMAT_16BIT;
699 				p->sw_code = change_sign16_le;
700 				break;
701 			default:
702 				return (EINVAL);
703 			}
704 			break;
705 		case AUDIO_ENCODING_ULINEAR_BE:
706 			switch (p->precision) {
707 			case 8:
708 				md_format |= CMPCI_REG_FORMAT_8BIT;
709 				break;
710 			case 16:
711 				md_format |= CMPCI_REG_FORMAT_16BIT;
712 				if (mode & AUMODE_PLAY)
713 					p->sw_code =
714 					    swap_bytes_change_sign16_le;
715 				else
716 					p->sw_code =
717 					    change_sign16_swap_bytes_le;
718 				break;
719 			default:
720 				return (EINVAL);
721 			}
722 			break;
723 		default:
724 			return (EINVAL);
725 		}
726 		if (mode & AUMODE_PLAY)
727 			cmpci_reg_partial_write_4(sc,
728 			   CMPCI_REG_CHANNEL_FORMAT,
729 			   CMPCI_REG_CH0_FORMAT_SHIFT,
730 			   CMPCI_REG_CH0_FORMAT_MASK, md_format);
731 		else
732 			cmpci_reg_partial_write_4(sc,
733 			   CMPCI_REG_CHANNEL_FORMAT,
734 			   CMPCI_REG_CH1_FORMAT_SHIFT,
735 			   CMPCI_REG_CH1_FORMAT_MASK, md_format);
736 		/* sample rate */
737 		md_index = cmpci_rate_to_index(p->sample_rate);
738 		md_divide = cmpci_index_to_divider(md_index);
739 		p->sample_rate = cmpci_index_to_rate(md_index);
740 		DPRINTF(("%s: sample:%d, divider=%d\n",
741 			 sc->sc_dev.dv_xname, (int)p->sample_rate, md_divide));
742 		if (mode & AUMODE_PLAY) {
743 			cmpci_reg_partial_write_4(sc,
744 			    CMPCI_REG_FUNC_1, CMPCI_REG_DAC_FS_SHIFT,
745 			    CMPCI_REG_DAC_FS_MASK, md_divide);
746 			sc->sc_play.md_divide = md_divide;
747 		} else {
748 			cmpci_reg_partial_write_4(sc,
749 			    CMPCI_REG_FUNC_1, CMPCI_REG_ADC_FS_SHIFT,
750 			    CMPCI_REG_ADC_FS_MASK, md_divide);
751 			sc->sc_rec.md_divide = md_divide;
752 		}
753 		cmpci_set_mixer_gain(sc, CMPCI_SPDIF_LOOP);
754 	}
755 	return 0;
756 }
757 
758 /* ARGSUSED */
759 static int
760 cmpci_round_blocksize(handle, block)
761 	void *handle;
762 	int block;
763 {
764 	return (block & -4);
765 }
766 
767 static int
768 cmpci_halt_output(handle)
769     void *handle;
770 {
771 	struct cmpci_softc *sc = handle;
772 	int s;
773 
774 	s = splaudio();
775 	sc->sc_play.intr = NULL;
776 	cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE);
777 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE);
778 	/* wait for reset DMA */
779 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
780 	delay(10);
781 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
782 	splx(s);
783 
784 	return 0;
785 }
786 
787 static int
788 cmpci_halt_input(handle)
789 	void *handle;
790 {
791 	struct cmpci_softc *sc = handle;
792 	int s;
793 
794 	s = splaudio();
795 	sc->sc_rec.intr = NULL;
796 	cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE);
797 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE);
798 	/* wait for reset DMA */
799 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET);
800 	delay(10);
801 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET);
802 	splx(s);
803 
804 	return 0;
805 }
806 
807 
808 /* get audio device information */
809 static int
810 cmpci_getdev(handle, ad)
811 	void *handle;
812 	struct audio_device *ad;
813 {
814 	struct cmpci_softc *sc = handle;
815 
816 	strncpy(ad->name, "CMI PCI Audio", sizeof(ad->name));
817 	snprintf(ad->version, sizeof(ad->version), "0x%02x",
818 		 PCI_REVISION(sc->sc_class));
819 	switch (PCI_PRODUCT(sc->sc_id)) {
820 	case PCI_PRODUCT_CMEDIA_CMI8338A:
821 		strncpy(ad->config, "CMI8338A", sizeof(ad->config));
822 		break;
823 	case PCI_PRODUCT_CMEDIA_CMI8338B:
824 		strncpy(ad->config, "CMI8338B", sizeof(ad->config));
825 		break;
826 	case PCI_PRODUCT_CMEDIA_CMI8738:
827 		strncpy(ad->config, "CMI8738", sizeof(ad->config));
828 		break;
829 	case PCI_PRODUCT_CMEDIA_CMI8738B:
830 		strncpy(ad->config, "CMI8738B", sizeof(ad->config));
831 		break;
832 	default:
833 		strncpy(ad->config, "unknown", sizeof(ad->config));
834 	}
835 
836 	return 0;
837 }
838 
839 
840 /* mixer device information */
841 int
842 cmpci_query_devinfo(handle, dip)
843 	void *handle;
844 	mixer_devinfo_t *dip;
845 {
846 	switch (dip->index) {
847 	case CMPCI_MASTER_VOL:
848 		dip->type = AUDIO_MIXER_VALUE;
849 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
850 		dip->prev = dip->next = AUDIO_MIXER_LAST;
851 		strcpy(dip->label.name, AudioNmaster);
852 		dip->un.v.num_channels = 2;
853 		strcpy(dip->un.v.units.name, AudioNvolume);
854 		return 0;
855 	case CMPCI_FM_VOL:
856 		dip->type = AUDIO_MIXER_VALUE;
857 		dip->mixer_class = CMPCI_INPUT_CLASS;
858 		dip->prev = AUDIO_MIXER_LAST;
859 		dip->next = CMPCI_FM_IN_MUTE;
860 		strcpy(dip->label.name, AudioNfmsynth);
861 		dip->un.v.num_channels = 2;
862 		strcpy(dip->un.v.units.name, AudioNvolume);
863 		return 0;
864 	case CMPCI_CD_VOL:
865 		dip->type = AUDIO_MIXER_VALUE;
866 		dip->mixer_class = CMPCI_INPUT_CLASS;
867 		dip->prev = AUDIO_MIXER_LAST;
868 		dip->next = CMPCI_CD_IN_MUTE;
869 		strcpy(dip->label.name, AudioNcd);
870 		dip->un.v.num_channels = 2;
871 		strcpy(dip->un.v.units.name, AudioNvolume);
872 		return 0;
873 	case CMPCI_VOICE_VOL:
874 		dip->type = AUDIO_MIXER_VALUE;
875 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
876 		dip->prev = AUDIO_MIXER_LAST;
877 		dip->next = AUDIO_MIXER_LAST;
878 		strcpy(dip->label.name, AudioNdac);
879 		dip->un.v.num_channels = 2;
880 		strcpy(dip->un.v.units.name, AudioNvolume);
881 		return 0;
882 	case CMPCI_OUTPUT_CLASS:
883 		dip->type = AUDIO_MIXER_CLASS;
884 		dip->mixer_class = CMPCI_INPUT_CLASS;
885 		dip->next = dip->prev = AUDIO_MIXER_LAST;
886 		strcpy(dip->label.name, AudioCoutputs);
887 		return 0;
888 	case CMPCI_MIC_VOL:
889 		dip->type = AUDIO_MIXER_VALUE;
890 		dip->mixer_class = CMPCI_INPUT_CLASS;
891 		dip->prev = AUDIO_MIXER_LAST;
892 		dip->next = CMPCI_MIC_IN_MUTE;
893 		strcpy(dip->label.name, AudioNmicrophone);
894 		dip->un.v.num_channels = 1;
895 		strcpy(dip->un.v.units.name, AudioNvolume);
896 		return 0;
897 	case CMPCI_LINE_IN_VOL:
898 		dip->type = AUDIO_MIXER_VALUE;
899 		dip->mixer_class = CMPCI_INPUT_CLASS;
900 		dip->prev = AUDIO_MIXER_LAST;
901 		dip->next = CMPCI_LINE_IN_MUTE;
902 		strcpy(dip->label.name, AudioNline);
903 		dip->un.v.num_channels = 2;
904 		strcpy(dip->un.v.units.name, AudioNvolume);
905 		return 0;
906 	case CMPCI_RECORD_SOURCE:
907 		dip->mixer_class = CMPCI_RECORD_CLASS;
908 		dip->prev = dip->next = AUDIO_MIXER_LAST;
909 		strcpy(dip->label.name, AudioNsource);
910 		dip->type = AUDIO_MIXER_SET;
911 		dip->un.s.num_mem = 5;
912 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
913 		dip->un.s.member[0].mask = CMPCI_RECORD_SOURCE_MIC;
914 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
915 		dip->un.s.member[1].mask = CMPCI_RECORD_SOURCE_CD;
916 		strcpy(dip->un.s.member[2].label.name, AudioNline);
917 		dip->un.s.member[2].mask = CMPCI_RECORD_SOURCE_LINE_IN;
918 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
919 		dip->un.s.member[3].mask = CMPCI_RECORD_SOURCE_FM;
920 		strcpy(dip->un.s.member[4].label.name, CmpciNspdif);
921 		dip->un.s.member[4].mask = CMPCI_RECORD_SOURCE_SPDIF;
922 		return 0;
923 	case CMPCI_BASS:
924 		dip->prev = dip->next = AUDIO_MIXER_LAST;
925 		strcpy(dip->label.name, AudioNbass);
926 		dip->type = AUDIO_MIXER_VALUE;
927 		dip->mixer_class = CMPCI_EQUALIZATION_CLASS;
928 		dip->un.v.num_channels = 2;
929 		strcpy(dip->un.v.units.name, AudioNbass);
930 		return 0;
931 	case CMPCI_TREBLE:
932 		dip->prev = dip->next = AUDIO_MIXER_LAST;
933 		strcpy(dip->label.name, AudioNtreble);
934 		dip->type = AUDIO_MIXER_VALUE;
935 		dip->mixer_class = CMPCI_EQUALIZATION_CLASS;
936 		dip->un.v.num_channels = 2;
937 		strcpy(dip->un.v.units.name, AudioNtreble);
938 		return 0;
939 	case CMPCI_RECORD_CLASS:
940 		dip->type = AUDIO_MIXER_CLASS;
941 		dip->mixer_class = CMPCI_RECORD_CLASS;
942 		dip->next = dip->prev = AUDIO_MIXER_LAST;
943 		strcpy(dip->label.name, AudioCrecord);
944 		return 0;
945 	case CMPCI_INPUT_CLASS:
946 		dip->type = AUDIO_MIXER_CLASS;
947 		dip->mixer_class = CMPCI_INPUT_CLASS;
948 		dip->next = dip->prev = AUDIO_MIXER_LAST;
949 		strcpy(dip->label.name, AudioCinputs);
950 		return 0;
951 	case CMPCI_PCSPEAKER:
952 		dip->type = AUDIO_MIXER_VALUE;
953 		dip->mixer_class = CMPCI_INPUT_CLASS;
954 		dip->prev = dip->next = AUDIO_MIXER_LAST;
955 		strcpy(dip->label.name, "pc_speaker");
956 		dip->un.v.num_channels = 1;
957 		strcpy(dip->un.v.units.name, AudioNvolume);
958 		return 0;
959 	case CMPCI_INPUT_GAIN:
960 		dip->type = AUDIO_MIXER_VALUE;
961 		dip->mixer_class = CMPCI_INPUT_CLASS;
962 		dip->prev = dip->next = AUDIO_MIXER_LAST;
963 		strcpy(dip->label.name, AudioNinput);
964 		dip->un.v.num_channels = 2;
965 		strcpy(dip->un.v.units.name, AudioNvolume);
966 		return 0;
967 	case CMPCI_OUTPUT_GAIN:
968 		dip->type = AUDIO_MIXER_VALUE;
969 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
970 		dip->prev = dip->next = AUDIO_MIXER_LAST;
971 		strcpy(dip->label.name, AudioNoutput);
972 		dip->un.v.num_channels = 2;
973 		strcpy(dip->un.v.units.name, AudioNvolume);
974 		return 0;
975 	case CMPCI_AGC:
976 		dip->type = AUDIO_MIXER_ENUM;
977 		dip->mixer_class = CMPCI_INPUT_CLASS;
978 		dip->prev = dip->next = AUDIO_MIXER_LAST;
979 		strcpy(dip->label.name, "agc");
980 		goto on_off;
981 	case CMPCI_EQUALIZATION_CLASS:
982 		dip->type = AUDIO_MIXER_CLASS;
983 		dip->mixer_class = CMPCI_EQUALIZATION_CLASS;
984 		dip->next = dip->prev = AUDIO_MIXER_LAST;
985 		strcpy(dip->label.name, AudioCequalization);
986 		return 0;
987 	case CMPCI_SPDIF_IN_MUTE:
988 		dip->type = AUDIO_MIXER_CLASS;
989 		dip->mixer_class = CMPCI_INPUT_CLASS;
990 		dip->next = dip->prev = AUDIO_MIXER_LAST;
991 		strcpy(dip->label.name, CmpciNspdif);
992 		return 0;
993 	case CMPCI_SPDIF_CLASS:
994 		dip->type = AUDIO_MIXER_CLASS;
995 		dip->mixer_class = CMPCI_SPDIF_CLASS;
996 		dip->next = dip->prev = AUDIO_MIXER_LAST;
997 		strcpy(dip->label.name, CmpciCspdif);
998 		return 0;
999 	case CMPCI_SPDIF_LOOP:
1000 		dip->mixer_class = CMPCI_SPDIF_CLASS;
1001 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1002 		strcpy(dip->label.name, CmpciNloop);
1003 		goto on_off;
1004 	case CMPCI_SPDIF_LEGACY:
1005 		dip->mixer_class = CMPCI_SPDIF_CLASS;
1006 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1007 		strcpy(dip->label.name, CmpciNlegacy);
1008 		goto on_off;
1009 	case CMPCI_SPDIF_OUT_VOLTAGE:
1010 		dip->mixer_class = CMPCI_SPDIF_CLASS;
1011 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1012 		strcpy(dip->label.name, CmpciNout_voltage);
1013 		dip->type = AUDIO_MIXER_ENUM;
1014 		dip->un.e.num_mem = 2;
1015 		strcpy(dip->un.e.member[0].label.name, CmpciNlow_v);
1016 		dip->un.e.member[0].ord = 0;
1017 		strcpy(dip->un.e.member[1].label.name, CmpciNhigh_v);
1018 		dip->un.e.member[1].ord = 1;
1019 		return 0;
1020 	case CMPCI_SPDIF_IN_PHASE:
1021 		dip->mixer_class = CMPCI_SPDIF_CLASS;
1022 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1023 		strcpy(dip->label.name, CmpciNin_phase);
1024 		goto on_off;
1025 	case CMPCI_REAR:
1026 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1027 		dip->prev = AUDIO_MIXER_LAST;
1028 		dip->next = CMPCI_INDIVIDUAL;
1029 		strcpy(dip->label.name, CmpciNrear);
1030 		goto on_off;
1031 	case CMPCI_INDIVIDUAL:
1032 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1033 		dip->prev = CMPCI_REAR;
1034 		dip->next = CMPCI_REVERSE;
1035 		strcpy(dip->label.name, CmpciNindividual);
1036 		goto on_off;
1037 	case CMPCI_REVERSE:
1038 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1039 		dip->prev = CMPCI_INDIVIDUAL;
1040 		dip->next = AUDIO_MIXER_LAST;
1041 		strcpy(dip->label.name, CmpciNreverse);
1042 		dip->type = AUDIO_MIXER_ENUM;
1043 		dip->un.e.num_mem = 2;
1044 		strcpy(dip->un.e.member[0].label.name, CmpciNpositive);
1045 		dip->un.e.member[0].ord = 0;
1046 		strcpy(dip->un.e.member[1].label.name, CmpciNnegative);
1047 		dip->un.e.member[1].ord = 1;
1048 		return 0;
1049 	case CMPCI_SURROUND:
1050 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1051 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1052 		strcpy(dip->label.name, CmpciNsurround);
1053 		goto on_off;
1054 
1055 	case CMPCI_CD_IN_MUTE:
1056 		dip->prev = CMPCI_CD_VOL;
1057 		dip->next = CMPCI_CD_SWAP;
1058 		dip->mixer_class = CMPCI_INPUT_CLASS;
1059 		goto mute;
1060 	case CMPCI_MIC_IN_MUTE:
1061 		dip->prev = CMPCI_MIC_VOL;
1062 		dip->next = CMPCI_MIC_SWAP;
1063 		dip->mixer_class = CMPCI_INPUT_CLASS;
1064 		goto mute;
1065 	case CMPCI_LINE_IN_MUTE:
1066 		dip->prev = CMPCI_LINE_IN_VOL;
1067 		dip->next = CMPCI_LINE_SWAP;
1068 		dip->mixer_class = CMPCI_INPUT_CLASS;
1069 		goto mute;
1070 	case CMPCI_FM_IN_MUTE:
1071 		dip->prev = CMPCI_FM_VOL;
1072 		dip->next = CMPCI_FM_SWAP;
1073 		dip->mixer_class = CMPCI_INPUT_CLASS;
1074 		goto mute;
1075 	case CMPCI_CD_SWAP:
1076 		dip->prev = CMPCI_CD_IN_MUTE;
1077 		dip->next = CMPCI_CD_OUT_MUTE;
1078 		goto swap;
1079 	case CMPCI_MIC_SWAP:
1080 		dip->prev = CMPCI_MIC_IN_MUTE;
1081 		dip->next = CMPCI_MIC_OUT_MUTE;
1082 		goto swap;
1083 	case CMPCI_LINE_SWAP:
1084 		dip->prev = CMPCI_LINE_IN_MUTE;
1085 		dip->next = CMPCI_LINE_OUT_MUTE;
1086 		goto swap;
1087 	case CMPCI_FM_SWAP:
1088 		dip->prev = CMPCI_FM_IN_MUTE;
1089 		dip->next = AUDIO_MIXER_LAST;
1090 	swap:
1091 		dip->mixer_class = CMPCI_INPUT_CLASS;
1092 		strcpy(dip->label.name, AudioNswap);
1093 		goto on_off;
1094 
1095 	case CMPCI_CD_OUT_MUTE:
1096 		dip->prev = CMPCI_CD_SWAP;
1097 		dip->next = AUDIO_MIXER_LAST;
1098 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1099 		goto mute;
1100 	case CMPCI_MIC_OUT_MUTE:
1101 		dip->prev = CMPCI_MIC_SWAP;
1102 		dip->next = AUDIO_MIXER_LAST;
1103 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1104 		goto mute;
1105 	case CMPCI_LINE_OUT_MUTE:
1106 		dip->prev = CMPCI_LINE_SWAP;
1107 		dip->next = AUDIO_MIXER_LAST;
1108 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1109 	mute:
1110 		strcpy(dip->label.name, AudioNmute);
1111 	on_off:
1112 		dip->type = AUDIO_MIXER_ENUM;
1113 		dip->un.e.num_mem = 2;
1114 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1115 		dip->un.e.member[0].ord = 0;
1116 		strcpy(dip->un.e.member[1].label.name, AudioNon);
1117 		dip->un.e.member[1].ord = 1;
1118 		return 0;
1119 	}
1120 
1121 	return ENXIO;
1122 }
1123 
1124 static int
1125 cmpci_alloc_dmamem(sc, size, type, flags, r_addr)
1126 	struct cmpci_softc *sc;
1127 	size_t size;
1128 	int type, flags;
1129 	caddr_t *r_addr;
1130 {
1131 	int error = 0;
1132 	struct cmpci_dmanode *n;
1133 	int w;
1134 
1135 	n = malloc(sizeof(struct cmpci_dmanode), type, flags);
1136 	if (n == NULL) {
1137 		error = ENOMEM;
1138 		goto quit;
1139 	}
1140 
1141 	w = (flags & M_NOWAIT) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK;
1142 #define CMPCI_DMABUF_ALIGN    0x4
1143 #define CMPCI_DMABUF_BOUNDARY 0x0
1144 	n->cd_tag = sc->sc_dmat;
1145 	n->cd_size = size;
1146 	error = bus_dmamem_alloc(n->cd_tag, n->cd_size,
1147 	    CMPCI_DMABUF_ALIGN, CMPCI_DMABUF_BOUNDARY, n->cd_segs,
1148 	    sizeof(n->cd_segs)/sizeof(n->cd_segs[0]), &n->cd_nsegs, w);
1149 	if (error)
1150 		goto mfree;
1151 	error = bus_dmamem_map(n->cd_tag, n->cd_segs, n->cd_nsegs, n->cd_size,
1152 	    &n->cd_addr, w | BUS_DMA_COHERENT);
1153 	if (error)
1154 		goto dmafree;
1155 	error = bus_dmamap_create(n->cd_tag, n->cd_size, 1, n->cd_size, 0,
1156 	    w, &n->cd_map);
1157 	if (error)
1158 		goto unmap;
1159 	error = bus_dmamap_load(n->cd_tag, n->cd_map, n->cd_addr, n->cd_size,
1160 	    NULL, w);
1161 	if (error)
1162 		goto destroy;
1163 
1164 	n->cd_next = sc->sc_dmap;
1165 	sc->sc_dmap = n;
1166 	*r_addr = KVADDR(n);
1167 	return 0;
1168 
1169  destroy:
1170 	bus_dmamap_destroy(n->cd_tag, n->cd_map);
1171  unmap:
1172 	bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1173  dmafree:
1174 	bus_dmamem_free(n->cd_tag,
1175 			n->cd_segs, sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1176  mfree:
1177 	free(n, type);
1178  quit:
1179 	return error;
1180 }
1181 
1182 static int
1183 cmpci_free_dmamem(sc, addr, type)
1184 	struct cmpci_softc *sc;
1185 	caddr_t addr;
1186 	int type;
1187 {
1188 	struct cmpci_dmanode **nnp;
1189 
1190 	for (nnp = &sc->sc_dmap; *nnp; nnp= &(*nnp)->cd_next) {
1191 		if ((*nnp)->cd_addr == addr) {
1192 			struct cmpci_dmanode *n = *nnp;
1193 			bus_dmamap_unload(n->cd_tag, n->cd_map);
1194 			bus_dmamap_destroy(n->cd_tag, n->cd_map);
1195 			bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1196 			bus_dmamem_free(n->cd_tag, n->cd_segs,
1197 			    sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1198 			free(n, type);
1199 			return 0;
1200 		}
1201 	}
1202 	return -1;
1203 }
1204 
1205 static struct cmpci_dmanode *
1206 cmpci_find_dmamem(sc, addr)
1207 	struct cmpci_softc *sc;
1208 	caddr_t addr;
1209 {
1210 	struct cmpci_dmanode *p;
1211 	for (p=sc->sc_dmap; p; p=p->cd_next)
1212 		if ( KVADDR(p) == (void *)addr )
1213 			break;
1214 	return p;
1215 }
1216 
1217 
1218 #if 0
1219 static void
1220 cmpci_print_dmamem __P((struct cmpci_dmanode *p));
1221 static void
1222 cmpci_print_dmamem(p)
1223 	struct cmpci_dmanode *p;
1224 {
1225 	DPRINTF(("DMA at virt:%p, dmaseg:%p, mapseg:%p, size:%p\n",
1226 		 (void *)p->cd_addr, (void *)p->cd_segs[0].ds_addr,
1227 		 (void *)DMAADDR(p), (void *)p->cd_size));
1228 }
1229 #endif /* DEBUG */
1230 
1231 
1232 static void *
1233 cmpci_allocm(handle, direction, size, type, flags)
1234 	void  *handle;
1235 	int    direction;
1236 	size_t size;
1237 	int    type, flags;
1238 {
1239 	struct cmpci_softc *sc = handle;
1240 	caddr_t addr;
1241 
1242 	if (cmpci_alloc_dmamem(sc, size, type, flags, &addr))
1243 		return NULL;
1244 	return addr;
1245 }
1246 
1247 static void
1248 cmpci_freem(handle, addr, type)
1249 	void	*handle;
1250 	void	*addr;
1251 	int	type;
1252 {
1253 	struct cmpci_softc *sc = handle;
1254 
1255 	cmpci_free_dmamem(sc, addr, type);
1256 }
1257 
1258 
1259 #define MAXVAL 256
1260 static int
1261 cmpci_adjust(val, mask)
1262 	int val, mask;
1263 {
1264 	val += (MAXVAL - mask) >> 1;
1265 	if (val >= MAXVAL)
1266 		val = MAXVAL-1;
1267 	return val & mask;
1268 }
1269 
1270 static void
1271 cmpci_set_mixer_gain(sc, port)
1272 	struct cmpci_softc *sc;
1273 	int port;
1274 {
1275 	int src;
1276 
1277 	switch (port) {
1278 	case CMPCI_MIC_VOL:
1279 		src = CMPCI_SB16_MIXER_MIC;
1280 		break;
1281 	case CMPCI_MASTER_VOL:
1282 		src = CMPCI_SB16_MIXER_MASTER_L;
1283 		break;
1284 	case CMPCI_LINE_IN_VOL:
1285 		src = CMPCI_SB16_MIXER_LINE_L;
1286 		break;
1287 	case CMPCI_VOICE_VOL:
1288 		src = CMPCI_SB16_MIXER_VOICE_L;
1289 		break;
1290 	case CMPCI_FM_VOL:
1291 		src = CMPCI_SB16_MIXER_FM_L;
1292 		break;
1293 	case CMPCI_CD_VOL:
1294 		src = CMPCI_SB16_MIXER_CDDA_L;
1295 		break;
1296 	case CMPCI_INPUT_GAIN:
1297 		src = CMPCI_SB16_MIXER_INGAIN_L;
1298 		break;
1299 	case CMPCI_OUTPUT_GAIN:
1300 		src = CMPCI_SB16_MIXER_OUTGAIN_L;
1301 		break;
1302 	case CMPCI_TREBLE:
1303 		src = CMPCI_SB16_MIXER_TREBLE_L;
1304 		break;
1305 	case CMPCI_BASS:
1306 		src = CMPCI_SB16_MIXER_BASS_L;
1307 		break;
1308 	case CMPCI_PCSPEAKER:
1309 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_SPEAKER,
1310 		    sc->sc_gain[port][CMPCI_LEFT]);
1311 		return;
1312 	case CMPCI_SPDIF_IN_MUTE:
1313 		if (CMPCI_ISCAP(sc, SPDIN_MONITOR)) {
1314 			if (sc->sc_gain[CMPCI_SPDIF_IN_MUTE][CMPCI_LR])
1315 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1316 						CMPCI_REG_SPDIN_MONITOR);
1317 			else
1318 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1319 						CMPCI_REG_SPDIN_MONITOR);
1320 		}
1321 		return;
1322 	case CMPCI_SPDIF_LOOP:
1323 		/*FALLTHROUGH*/
1324 	case CMPCI_SPDIF_LEGACY:
1325 		cmpci_set_out_ports(sc);
1326 		return;
1327 	case CMPCI_SPDIF_OUT_VOLTAGE:
1328 		if (CMPCI_ISCAP(sc, SPDOUT_VOLTAGE)) {
1329 			if (sc->sc_gain[CMPCI_SPDIF_OUT_VOLTAGE][CMPCI_LR])
1330 				cmpci_reg_set_4(sc, CMPCI_REG_MISC,
1331 						CMPCI_REG_5V);
1332 			else
1333 				cmpci_reg_clear_4(sc, CMPCI_REG_MISC,
1334 						  CMPCI_REG_5V);
1335 		}
1336 		return;
1337 	case CMPCI_SURROUND:
1338 		if (CMPCI_ISCAP(sc, SURROUND)) {
1339 			if (sc->sc_gain[CMPCI_SURROUND][CMPCI_LR])
1340 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1341 						CMPCI_REG_SURROUND);
1342 			else
1343 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1344 						  CMPCI_REG_SURROUND);
1345 		}
1346 		return;
1347 	case CMPCI_REAR:
1348 		if (CMPCI_ISCAP(sc, REAR)) {
1349 			if (sc->sc_gain[CMPCI_REAR][CMPCI_LR])
1350 				cmpci_reg_set_4(sc, CMPCI_REG_MISC,
1351 						CMPCI_REG_N4SPK3D);
1352 			else
1353 				cmpci_reg_clear_4(sc, CMPCI_REG_MISC,
1354 						  CMPCI_REG_N4SPK3D);
1355 		}
1356 		return;
1357 	case CMPCI_INDIVIDUAL:
1358 		if (CMPCI_ISCAP(sc, INDIVIDUAL_REAR)) {
1359 			if (sc->sc_gain[CMPCI_REAR][CMPCI_LR])
1360 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1361 						CMPCI_REG_INDIVIDUAL);
1362 			else
1363 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1364 						  CMPCI_REG_INDIVIDUAL);
1365 		}
1366 		return;
1367 	case CMPCI_REVERSE:
1368 		if (CMPCI_ISCAP(sc, REVERSE_FR)) {
1369 			if (sc->sc_gain[CMPCI_REVERSE][CMPCI_LR])
1370 				cmpci_reg_set_1(sc, CMPCI_REG_MIXER24,
1371 						CMPCI_REG_REVERSE_FR);
1372 			else
1373 				cmpci_reg_clear_1(sc, CMPCI_REG_MIXER24,
1374 						  CMPCI_REG_REVERSE_FR);
1375 		}
1376 		return;
1377 	case CMPCI_SPDIF_IN_PHASE:
1378 		if (CMPCI_ISCAP(sc, SPDIN_PHASE)) {
1379 			if (sc->sc_gain[CMPCI_SPDIF_IN_PHASE][CMPCI_LR])
1380 				cmpci_reg_set_1(sc, CMPCI_REG_CHANNEL_FORMAT,
1381 						CMPCI_REG_SPDIN_PHASE);
1382 			else
1383 				cmpci_reg_clear_1(sc, CMPCI_REG_CHANNEL_FORMAT,
1384 						  CMPCI_REG_SPDIN_PHASE);
1385 		}
1386 		return;
1387 	default:
1388 		return;
1389 	}
1390 	cmpci_mixerreg_write(sc, src, sc->sc_gain[port][CMPCI_LEFT]);
1391 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_L_TO_R(src),
1392 	    sc->sc_gain[port][CMPCI_RIGHT]);
1393 }
1394 
1395 static void
1396 cmpci_set_out_ports(sc)
1397 	struct cmpci_softc *sc;
1398 {
1399 	if (!CMPCI_ISCAP(sc, SPDLOOP))
1400 		return;
1401 	if (sc->sc_gain[CMPCI_SPDIF_LOOP][CMPCI_LR]) {
1402 		/* loop on */
1403 		cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1,
1404 				  CMPCI_REG_SPDIF0_ENABLE |
1405 				  CMPCI_REG_SPDIF1_ENABLE);
1406 		cmpci_reg_clear_4(sc, CMPCI_REG_LEGACY_CTRL,
1407 				  CMPCI_REG_LEGACY_SPDIF_ENABLE);
1408 		cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1,
1409 				CMPCI_REG_SPDIF_LOOP);
1410 	} else {
1411 		/* loop off */
1412 		cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1,
1413 				  CMPCI_REG_SPDIF_LOOP);
1414 		cmpci_set_in_ports(sc, sc->sc_in_mask);
1415 		if (CMPCI_ISCAP(sc, SPDOUT) &&
1416 		    (sc->sc_play.md_divide==CMPCI_REG_RATE_44100 ||
1417 		     (CMPCI_ISCAP(sc, SPDOUT_48K) &&
1418 		      sc->sc_play.md_divide==CMPCI_REG_RATE_48000))) {
1419 			cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1,
1420 					CMPCI_REG_SPDIF0_ENABLE);
1421 			if (CMPCI_ISCAP(sc, XSPDOUT))
1422 				cmpci_reg_set_4(sc,
1423 						CMPCI_REG_LEGACY_CTRL,
1424 						CMPCI_REG_XSPDIF_ENABLE);
1425 			if (sc->sc_play.md_divide==CMPCI_REG_RATE_48000)
1426 				cmpci_reg_set_4(sc,
1427 						CMPCI_REG_MISC,
1428 						CMPCI_REG_SPDIF_48K);
1429 			else
1430 				cmpci_reg_clear_4(sc,
1431 						  CMPCI_REG_MISC,
1432 						  CMPCI_REG_SPDIF_48K);
1433 		} else {
1434 			cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1,
1435 					  CMPCI_REG_SPDIF0_ENABLE);
1436 			if (CMPCI_ISCAP(sc, XSPDOUT))
1437 				cmpci_reg_clear_4(sc,
1438 						  CMPCI_REG_LEGACY_CTRL,
1439 						  CMPCI_REG_XSPDIF_ENABLE);
1440 			if (CMPCI_ISCAP(sc, SPDOUT_48K))
1441 				cmpci_reg_clear_4(sc,
1442 						  CMPCI_REG_MISC,
1443 						  CMPCI_REG_SPDIF_48K);
1444 		}
1445 		if (CMPCI_ISCAP(sc, SPDLEGACY)) {
1446 		    if (sc->sc_gain[CMPCI_SPDIF_LEGACY][CMPCI_LR])
1447 			    cmpci_reg_set_4(sc, CMPCI_REG_LEGACY_CTRL,
1448 					    CMPCI_REG_LEGACY_SPDIF_ENABLE);
1449 		    else
1450 			    cmpci_reg_clear_4(sc, CMPCI_REG_LEGACY_CTRL,
1451 					    CMPCI_REG_LEGACY_SPDIF_ENABLE);
1452 		}
1453 	}
1454 }
1455 
1456 static int
1457 cmpci_set_in_ports(sc, mask)
1458 	struct cmpci_softc *sc;
1459 	int mask;
1460 {
1461 	int bitsl, bitsr;
1462 
1463 	if (mask & ~(CMPCI_RECORD_SOURCE_MIC | CMPCI_RECORD_SOURCE_CD |
1464 		     CMPCI_RECORD_SOURCE_LINE_IN | CMPCI_RECORD_SOURCE_FM |
1465 		     CMPCI_RECORD_SOURCE_SPDIF))
1466 		return EINVAL;
1467 	bitsr = 0;
1468 	if (mask & CMPCI_RECORD_SOURCE_FM)
1469 		bitsr |= CMPCI_SB16_MIXER_FM_SRC_R;
1470 	if (mask & CMPCI_RECORD_SOURCE_LINE_IN)
1471 		bitsr |= CMPCI_SB16_MIXER_LINE_SRC_R;
1472 	if (mask & CMPCI_RECORD_SOURCE_CD)
1473 		bitsr |= CMPCI_SB16_MIXER_CD_SRC_R;
1474 	bitsl = CMPCI_SB16_MIXER_SRC_R_TO_L(bitsr);
1475 	if (mask & CMPCI_RECORD_SOURCE_MIC) {
1476 		bitsl |= CMPCI_SB16_MIXER_MIC_SRC;
1477 		bitsr |= CMPCI_SB16_MIXER_MIC_SRC;
1478 	}
1479 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, bitsl);
1480 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, bitsr);
1481 	if (CMPCI_ISCAP(sc, SPDIN) &&
1482 	    sc->sc_rec.md_divide == CMPCI_REG_RATE_44100 &&
1483 	    !sc->sc_gain[CMPCI_SPDIF_LOOP][CMPCI_LR]) {
1484 		if (mask & CMPCI_RECORD_SOURCE_SPDIF) {
1485 			/* enable SPDIF/in */
1486 			cmpci_reg_set_4(sc,
1487 					CMPCI_REG_FUNC_1,
1488 					CMPCI_REG_SPDIF1_ENABLE);
1489 		} else {
1490 			cmpci_reg_clear_4(sc,
1491 					CMPCI_REG_FUNC_1,
1492 					CMPCI_REG_SPDIF1_ENABLE);
1493 		}
1494 	}
1495 
1496 	sc->sc_in_mask = mask;
1497 
1498 	return 0;
1499 }
1500 
1501 static int
1502 cmpci_set_port(handle, cp)
1503 	void *handle;
1504 	mixer_ctrl_t *cp;
1505 {
1506 	struct cmpci_softc *sc = handle;
1507 	int lgain, rgain;
1508 	int mask, bits;
1509 	int lmask, rmask, lbits, rbits;
1510 	int mute, swap;
1511 
1512 	switch (cp->dev) {
1513 	case CMPCI_TREBLE:
1514 	case CMPCI_BASS:
1515 	case CMPCI_PCSPEAKER:
1516 	case CMPCI_INPUT_GAIN:
1517 	case CMPCI_OUTPUT_GAIN:
1518 	case CMPCI_MIC_VOL:
1519 	case CMPCI_LINE_IN_VOL:
1520 	case CMPCI_VOICE_VOL:
1521 	case CMPCI_FM_VOL:
1522 	case CMPCI_CD_VOL:
1523 	case CMPCI_MASTER_VOL:
1524 		if (cp->type != AUDIO_MIXER_VALUE)
1525 			return EINVAL;
1526 		switch (cp->dev) {
1527 		case CMPCI_MIC_VOL:
1528 			if (cp->un.value.num_channels != 1)
1529 				return EINVAL;
1530 
1531 			lgain = rgain =
1532 			    CMPCI_ADJUST_MIC_GAIN(sc,
1533 				cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
1534 			break;
1535 		case CMPCI_PCSPEAKER:
1536 			if (cp->un.value.num_channels != 1)
1537 				return EINVAL;
1538 			/* fall into */
1539 		case CMPCI_INPUT_GAIN:
1540 		case CMPCI_OUTPUT_GAIN:
1541 			lgain = rgain =	CMPCI_ADJUST_2_GAIN(sc,
1542 			    cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
1543 			break;
1544 		default:
1545 			switch (cp->un.value.num_channels) {
1546 			case 1:
1547 				lgain = rgain = CMPCI_ADJUST_GAIN(sc,
1548 				    cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]
1549 					);
1550 				break;
1551 			case 2:
1552 				lgain =	CMPCI_ADJUST_GAIN(sc,
1553 				    cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]
1554 					);
1555 				rgain = CMPCI_ADJUST_GAIN(sc,
1556 				   cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]
1557 					);
1558 				break;
1559 			default:
1560 				return EINVAL;
1561 			}
1562 			break;
1563 		}
1564 		sc->sc_gain[cp->dev][CMPCI_LEFT]  = lgain;
1565 		sc->sc_gain[cp->dev][CMPCI_RIGHT] = rgain;
1566 
1567 		cmpci_set_mixer_gain(sc, cp->dev);
1568 		break;
1569 
1570 	case CMPCI_RECORD_SOURCE:
1571 		if (cp->type != AUDIO_MIXER_SET)
1572 			return EINVAL;
1573 
1574 		if (cp->un.mask & CMPCI_RECORD_SOURCE_SPDIF)
1575 			cp->un.mask = CMPCI_RECORD_SOURCE_SPDIF;
1576 
1577 		return cmpci_set_in_ports(sc, cp->un.mask);
1578 
1579 	case CMPCI_AGC:
1580 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_AGC, cp->un.ord & 1);
1581 		break;
1582 
1583 	case CMPCI_CD_OUT_MUTE:
1584 		mask = CMPCI_SB16_SW_CD;
1585 		goto omute;
1586 	case CMPCI_MIC_OUT_MUTE:
1587 		mask = CMPCI_SB16_SW_MIC;
1588 		goto omute;
1589 	case CMPCI_LINE_OUT_MUTE:
1590 		mask = CMPCI_SB16_SW_LINE;
1591 	omute:
1592 		if (cp->type != AUDIO_MIXER_ENUM)
1593 			return EINVAL;
1594 		bits = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_OUTMIX);
1595 		sc->sc_gain[cp->dev][CMPCI_LR] = cp->un.ord != 0;
1596 		if (cp->un.ord)
1597 			bits = bits & ~mask;
1598 		else
1599 			bits = bits | mask;
1600 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX, bits);
1601 		break;
1602 
1603 	case CMPCI_MIC_IN_MUTE:
1604 	case CMPCI_MIC_SWAP:
1605 		lmask = rmask = CMPCI_SB16_SW_MIC;
1606 		goto imute;
1607 	case CMPCI_CD_IN_MUTE:
1608 	case CMPCI_CD_SWAP:
1609 		lmask = CMPCI_SB16_SW_CD_L;
1610 		rmask = CMPCI_SB16_SW_CD_R;
1611 		goto imute;
1612 	case CMPCI_LINE_IN_MUTE:
1613 	case CMPCI_LINE_SWAP:
1614 		lmask = CMPCI_SB16_SW_LINE_L;
1615 		rmask = CMPCI_SB16_SW_LINE_R;
1616 		goto imute;
1617 	case CMPCI_FM_IN_MUTE:
1618 	case CMPCI_FM_SWAP:
1619 		lmask = CMPCI_SB16_SW_FM_L;
1620 		rmask = CMPCI_SB16_SW_FM_R;
1621 	imute:
1622 		if (cp->type != AUDIO_MIXER_ENUM)
1623 			return EINVAL;
1624 		mask = lmask | rmask;
1625 		lbits = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_ADCMIX_L)
1626 		    & ~mask;
1627 		rbits = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_ADCMIX_R)
1628 		    & ~mask;
1629 		sc->sc_gain[cp->dev][CMPCI_LR] = cp->un.ord != 0;
1630 		if (CMPCI_IS_IN_MUTE(cp->dev)) {
1631 			mute = cp->dev;
1632 			swap = mute - CMPCI_CD_IN_MUTE + CMPCI_CD_SWAP;
1633 		} else {
1634 			swap = cp->dev;
1635 			mute = swap + CMPCI_CD_IN_MUTE - CMPCI_CD_SWAP;
1636 		}
1637 		if (sc->sc_gain[swap][CMPCI_LR]) {
1638 			mask = lmask;
1639 			lmask = rmask;
1640 			rmask = mask;
1641 		}
1642 		if (!sc->sc_gain[mute][CMPCI_LR]) {
1643 			lbits = lbits | lmask;
1644 			rbits = rbits | rmask;
1645 		}
1646 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, lbits);
1647 		cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, rbits);
1648 		break;
1649 	case CMPCI_SPDIF_LOOP:
1650 	case CMPCI_SPDIF_LEGACY:
1651 	case CMPCI_SPDIF_OUT_VOLTAGE:
1652 	case CMPCI_SPDIF_IN_PHASE:
1653 	case CMPCI_REAR:
1654 	case CMPCI_INDIVIDUAL:
1655 	case CMPCI_REVERSE:
1656 	case CMPCI_SURROUND:
1657 		sc->sc_gain[cp->dev][CMPCI_LR] = cp->un.ord;
1658 		break;
1659 
1660 	default:
1661 	    return EINVAL;
1662 	}
1663 
1664 	return 0;
1665 }
1666 
1667 static int
1668 cmpci_get_port(handle, cp)
1669 	void *handle;
1670 	mixer_ctrl_t *cp;
1671 {
1672 	struct cmpci_softc *sc = handle;
1673 
1674 	switch (cp->dev) {
1675 	case CMPCI_MIC_VOL:
1676 	case CMPCI_LINE_IN_VOL:
1677 		if (cp->un.value.num_channels != 1)
1678 			return EINVAL;
1679 		/* fall into */
1680 	case CMPCI_TREBLE:
1681 	case CMPCI_BASS:
1682 	case CMPCI_PCSPEAKER:
1683 	case CMPCI_INPUT_GAIN:
1684 	case CMPCI_OUTPUT_GAIN:
1685 	case CMPCI_VOICE_VOL:
1686 	case CMPCI_FM_VOL:
1687 	case CMPCI_CD_VOL:
1688 	case CMPCI_MASTER_VOL:
1689 		switch (cp->un.value.num_channels) {
1690 		case 1:
1691 			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1692 				sc->sc_gain[cp->dev][CMPCI_LEFT];
1693 			break;
1694 		case 2:
1695 			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
1696 				sc->sc_gain[cp->dev][CMPCI_LEFT];
1697 			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
1698 				sc->sc_gain[cp->dev][CMPCI_RIGHT];
1699 			break;
1700 		default:
1701 			return EINVAL;
1702 		}
1703 		break;
1704 
1705 	case CMPCI_RECORD_SOURCE:
1706 		cp->un.mask = sc->sc_in_mask;
1707 		break;
1708 
1709 	case CMPCI_AGC:
1710 		cp->un.ord = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_AGC);
1711 		break;
1712 
1713 	case CMPCI_CD_IN_MUTE:
1714 	case CMPCI_MIC_IN_MUTE:
1715 	case CMPCI_LINE_IN_MUTE:
1716 	case CMPCI_FM_IN_MUTE:
1717 	case CMPCI_CD_SWAP:
1718 	case CMPCI_MIC_SWAP:
1719 	case CMPCI_LINE_SWAP:
1720 	case CMPCI_FM_SWAP:
1721 	case CMPCI_CD_OUT_MUTE:
1722 	case CMPCI_MIC_OUT_MUTE:
1723 	case CMPCI_LINE_OUT_MUTE:
1724 	case CMPCI_SPDIF_IN_MUTE:
1725 	case CMPCI_SPDIF_LOOP:
1726 	case CMPCI_SPDIF_LEGACY:
1727 	case CMPCI_SPDIF_OUT_VOLTAGE:
1728 	case CMPCI_SPDIF_IN_PHASE:
1729 	case CMPCI_REAR:
1730 	case CMPCI_INDIVIDUAL:
1731 	case CMPCI_REVERSE:
1732 	case CMPCI_SURROUND:
1733 		cp->un.ord = sc->sc_gain[cp->dev][CMPCI_LR];
1734 		break;
1735 
1736 	default:
1737 		return EINVAL;
1738 	}
1739 
1740 	return 0;
1741 }
1742 
1743 /* ARGSUSED */
1744 static size_t
1745 cmpci_round_buffersize(handle, direction, bufsize)
1746 	void *handle;
1747 	int direction;
1748 	size_t bufsize;
1749 {
1750 	if (bufsize > 0x10000)
1751 		bufsize = 0x10000;
1752 
1753 	return bufsize;
1754 }
1755 
1756 
1757 static paddr_t
1758 cmpci_mappage(handle, addr, offset, prot)
1759 	void *handle;
1760 	void *addr;
1761 	off_t offset;
1762 	int prot;
1763 {
1764 	struct cmpci_softc *sc = handle;
1765 	struct cmpci_dmanode *p;
1766 
1767 	if (offset < 0 || NULL == (p = cmpci_find_dmamem(sc, addr)))
1768 		return -1;
1769 
1770 	return bus_dmamem_mmap(p->cd_tag, p->cd_segs,
1771 		   sizeof(p->cd_segs)/sizeof(p->cd_segs[0]),
1772 		   offset, prot, BUS_DMA_WAITOK);
1773 }
1774 
1775 
1776 /* ARGSUSED */
1777 static int
1778 cmpci_get_props(handle)
1779 	void *handle;
1780 {
1781 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1782 }
1783 
1784 
1785 static int
1786 cmpci_trigger_output(handle, start, end, blksize, intr, arg, param)
1787 	void *handle;
1788 	void *start, *end;
1789 	int blksize;
1790 	void (*intr) __P((void *));
1791 	void *arg;
1792 	struct audio_params *param;
1793 {
1794 	struct cmpci_softc *sc = handle;
1795 	struct cmpci_dmanode *p;
1796 	int bps;
1797 
1798 	sc->sc_play.intr = intr;
1799 	sc->sc_play.intr_arg = arg;
1800 	bps = param->channels*param->precision*param->factor / 8;
1801 	if (!bps)
1802 		return EINVAL;
1803 
1804 	/* set DMA frame */
1805 	if (!(p = cmpci_find_dmamem(sc, start)))
1806 		return EINVAL;
1807 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BASE,
1808 	    DMAADDR(p));
1809 	delay(10);
1810 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BYTES,
1811 	    ((caddr_t)end - (caddr_t)start + 1) / bps - 1);
1812 	delay(10);
1813 
1814 	/* set interrupt count */
1815 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_SAMPLES,
1816 			  (blksize + bps - 1) / bps - 1);
1817 	delay(10);
1818 
1819 	/* start DMA */
1820 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_DIR); /* PLAY */
1821 	cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE);
1822 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE);
1823 
1824 	return 0;
1825 }
1826 
1827 static int
1828 cmpci_trigger_input(handle, start, end, blksize, intr, arg, param)
1829 	void *handle;
1830 	void *start, *end;
1831 	int blksize;
1832 	void (*intr) __P((void *));
1833 	void *arg;
1834 	struct audio_params *param;
1835 {
1836 	struct cmpci_softc *sc = handle;
1837 	struct cmpci_dmanode *p;
1838 	int bps;
1839 
1840 	sc->sc_rec.intr = intr;
1841 	sc->sc_rec.intr_arg = arg;
1842 	bps = param->channels*param->precision*param->factor/8;
1843 	if (!bps)
1844 		return EINVAL;
1845 
1846 	/* set DMA frame */
1847 	if (!(p=cmpci_find_dmamem(sc, start)))
1848 		return EINVAL;
1849 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BASE,
1850 	    DMAADDR(p));
1851 	delay(10);
1852 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BYTES,
1853 	    ((caddr_t)end - (caddr_t)start + 1) / bps - 1);
1854 	delay(10);
1855 
1856 	/* set interrupt count */
1857 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_SAMPLES,
1858 	    (blksize + bps - 1) / bps - 1);
1859 	delay(10);
1860 
1861 	/* start DMA */
1862 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_DIR); /* REC */
1863 	cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE);
1864 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE);
1865 
1866 	return 0;
1867 }
1868 
1869 
1870 /* end of file */
1871