xref: /netbsd-src/sys/dev/pci/cmpci.c (revision e39ef1d61eee3ccba837ee281f1e098c864487aa)
1 /*	$NetBSD: cmpci.c,v 1.44 2011/11/24 03:35:58 mrg Exp $	*/
2 
3 /*
4  * Copyright (c) 2000, 2001, 2008 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Takuya SHIOZAKI <tshiozak@NetBSD.org> .
9  *
10  * This code is derived from software contributed to The NetBSD Foundation
11  * by ITOH Yasufumi.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  */
35 
36 /*
37  * C-Media CMI8x38 Audio Chip Support.
38  *
39  * TODO:
40  *   - 4ch / 6ch support.
41  *   - Joystick support.
42  *
43  */
44 
45 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: cmpci.c,v 1.44 2011/11/24 03:35:58 mrg Exp $");
47 
48 #if defined(AUDIO_DEBUG) || defined(DEBUG)
49 #define DPRINTF(x) if (cmpcidebug) printf x
50 int cmpcidebug = 0;
51 #else
52 #define DPRINTF(x)
53 #endif
54 
55 #include "mpu.h"
56 
57 #include <sys/param.h>
58 #include <sys/systm.h>
59 #include <sys/kernel.h>
60 #include <sys/kmem.h>
61 #include <sys/device.h>
62 #include <sys/proc.h>
63 
64 #include <dev/pci/pcidevs.h>
65 #include <dev/pci/pcivar.h>
66 
67 #include <sys/audioio.h>
68 #include <dev/audio_if.h>
69 #include <dev/midi_if.h>
70 
71 #include <dev/mulaw.h>
72 #include <dev/auconv.h>
73 #include <dev/pci/cmpcireg.h>
74 #include <dev/pci/cmpcivar.h>
75 
76 #include <dev/ic/mpuvar.h>
77 #include <sys/bus.h>
78 #include <sys/intr.h>
79 
80 /*
81  * Low-level HW interface
82  */
83 static inline uint8_t cmpci_mixerreg_read(struct cmpci_softc *, uint8_t);
84 static inline void cmpci_mixerreg_write(struct cmpci_softc *,
85 	uint8_t, uint8_t);
86 static inline void cmpci_reg_partial_write_1(struct cmpci_softc *, int, int,
87 	unsigned, unsigned);
88 static inline void cmpci_reg_partial_write_4(struct cmpci_softc *, int, int,
89 	uint32_t, uint32_t);
90 static inline void cmpci_reg_set_1(struct cmpci_softc *, int, uint8_t);
91 static inline void cmpci_reg_clear_1(struct cmpci_softc *, int, uint8_t);
92 static inline void cmpci_reg_set_4(struct cmpci_softc *, int, uint32_t);
93 static inline void cmpci_reg_clear_4(struct cmpci_softc *, int, uint32_t);
94 static inline void cmpci_reg_set_reg_misc(struct cmpci_softc *, uint32_t);
95 static inline void cmpci_reg_clear_reg_misc(struct cmpci_softc *, uint32_t);
96 static int cmpci_rate_to_index(int);
97 static inline int cmpci_index_to_rate(int);
98 static inline int cmpci_index_to_divider(int);
99 
100 static int cmpci_adjust(int, int);
101 static void cmpci_set_mixer_gain(struct cmpci_softc *, int);
102 static void cmpci_set_out_ports(struct cmpci_softc *);
103 static int cmpci_set_in_ports(struct cmpci_softc *);
104 
105 
106 /*
107  * autoconf interface
108  */
109 static int cmpci_match(device_t, cfdata_t, void *);
110 static void cmpci_attach(device_t, device_t, void *);
111 
112 CFATTACH_DECL(cmpci, sizeof (struct cmpci_softc),
113     cmpci_match, cmpci_attach, NULL, NULL);
114 
115 /* interrupt */
116 static int cmpci_intr(void *);
117 
118 
119 /*
120  * DMA stuffs
121  */
122 static int cmpci_alloc_dmamem(struct cmpci_softc *, size_t, void **);
123 static int cmpci_free_dmamem(struct cmpci_softc *, void *, size_t);
124 static struct cmpci_dmanode * cmpci_find_dmamem(struct cmpci_softc *,
125 	void *);
126 
127 
128 /*
129  * interface to machine independent layer
130  */
131 static int cmpci_query_encoding(void *, struct audio_encoding *);
132 static int cmpci_set_params(void *, int, int, audio_params_t *,
133 	audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
134 static int cmpci_round_blocksize(void *, int, int, const audio_params_t *);
135 static int cmpci_halt_output(void *);
136 static int cmpci_halt_input(void *);
137 static int cmpci_getdev(void *, struct audio_device *);
138 static int cmpci_set_port(void *, mixer_ctrl_t *);
139 static int cmpci_get_port(void *, mixer_ctrl_t *);
140 static int cmpci_query_devinfo(void *, mixer_devinfo_t *);
141 static void *cmpci_allocm(void *, int, size_t);
142 static void cmpci_freem(void *, void *, size_t);
143 static size_t cmpci_round_buffersize(void *, int, size_t);
144 static paddr_t cmpci_mappage(void *, void *, off_t, int);
145 static int cmpci_get_props(void *);
146 static int cmpci_trigger_output(void *, void *, void *, int,
147 	void (*)(void *), void *, const audio_params_t *);
148 static int cmpci_trigger_input(void *, void *, void *, int,
149 	void (*)(void *), void *, const audio_params_t *);
150 static void cmpci_get_locks(void *, kmutex_t **, kmutex_t **);
151 
152 static const struct audio_hw_if cmpci_hw_if = {
153 	NULL,			/* open */
154 	NULL,			/* close */
155 	NULL,			/* drain */
156 	cmpci_query_encoding,	/* query_encoding */
157 	cmpci_set_params,	/* set_params */
158 	cmpci_round_blocksize,	/* round_blocksize */
159 	NULL,			/* commit_settings */
160 	NULL,			/* init_output */
161 	NULL,			/* init_input */
162 	NULL,			/* start_output */
163 	NULL,			/* start_input */
164 	cmpci_halt_output,	/* halt_output */
165 	cmpci_halt_input,	/* halt_input */
166 	NULL,			/* speaker_ctl */
167 	cmpci_getdev,		/* getdev */
168 	NULL,			/* setfd */
169 	cmpci_set_port,		/* set_port */
170 	cmpci_get_port,		/* get_port */
171 	cmpci_query_devinfo,	/* query_devinfo */
172 	cmpci_allocm,		/* allocm */
173 	cmpci_freem,		/* freem */
174 	cmpci_round_buffersize,/* round_buffersize */
175 	cmpci_mappage,		/* mappage */
176 	cmpci_get_props,	/* get_props */
177 	cmpci_trigger_output,	/* trigger_output */
178 	cmpci_trigger_input,	/* trigger_input */
179 	NULL,			/* dev_ioctl */
180 	cmpci_get_locks,	/* get_locks */
181 };
182 
183 #define CMPCI_NFORMATS	4
184 static const struct audio_format cmpci_formats[CMPCI_NFORMATS] = {
185 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
186 	 2, AUFMT_STEREO, 0, {5512, 48000}},
187 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
188 	 1, AUFMT_MONAURAL, 0, {5512, 48000}},
189 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
190 	 2, AUFMT_STEREO, 0, {5512, 48000}},
191 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
192 	 1, AUFMT_MONAURAL, 0, {5512, 48000}},
193 };
194 
195 
196 /*
197  * Low-level HW interface
198  */
199 
200 /* mixer register read/write */
201 static inline uint8_t
202 cmpci_mixerreg_read(struct cmpci_softc *sc, uint8_t no)
203 {
204 	uint8_t ret;
205 
206 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no);
207 	delay(10);
208 	ret = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA);
209 	delay(10);
210 	return ret;
211 }
212 
213 static inline void
214 cmpci_mixerreg_write(struct cmpci_softc *sc, uint8_t no, uint8_t val)
215 {
216 
217 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no);
218 	delay(10);
219 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA, val);
220 	delay(10);
221 }
222 
223 
224 /* register partial write */
225 static inline void
226 cmpci_reg_partial_write_1(struct cmpci_softc *sc, int no, int shift,
227 			  unsigned mask, unsigned val)
228 {
229 
230 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
231 	    (val<<shift) |
232 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) & ~(mask<<shift)));
233 	delay(10);
234 }
235 
236 static inline void
237 cmpci_reg_partial_write_4(struct cmpci_softc *sc, int no, int shift,
238 			  uint32_t mask, uint32_t val)
239 {
240 
241 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
242 	    (val<<shift) |
243 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) & ~(mask<<shift)));
244 	delay(10);
245 }
246 
247 /* register set/clear bit */
248 static inline void
249 cmpci_reg_set_1(struct cmpci_softc *sc, int no, uint8_t mask)
250 {
251 
252 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
253 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) | mask));
254 	delay(10);
255 }
256 
257 static inline void
258 cmpci_reg_clear_1(struct cmpci_softc *sc, int no, uint8_t mask)
259 {
260 
261 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, no,
262 	    (bus_space_read_1(sc->sc_iot, sc->sc_ioh, no) & ~mask));
263 	delay(10);
264 }
265 
266 static inline void
267 cmpci_reg_set_4(struct cmpci_softc *sc, int no, uint32_t mask)
268 {
269 
270 	/* use cmpci_reg_set_reg_misc() for CMPCI_REG_MISC */
271 	KDASSERT(no != CMPCI_REG_MISC);
272 
273 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
274 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) | mask));
275 	delay(10);
276 }
277 
278 static inline void
279 cmpci_reg_clear_4(struct cmpci_softc *sc, int no, uint32_t mask)
280 {
281 
282 	/* use cmpci_reg_clear_reg_misc() for CMPCI_REG_MISC */
283 	KDASSERT(no != CMPCI_REG_MISC);
284 
285 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, no,
286 	    (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) & ~mask));
287 	delay(10);
288 }
289 
290 /*
291  * The CMPCI_REG_MISC register needs special handling, since one of
292  * its bits has different read/write values.
293  */
294 static inline void
295 cmpci_reg_set_reg_misc(struct cmpci_softc *sc, uint32_t mask)
296 {
297 
298 	sc->sc_reg_misc |= mask;
299 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_MISC,
300 	    sc->sc_reg_misc);
301 	delay(10);
302 }
303 
304 static inline void
305 cmpci_reg_clear_reg_misc(struct cmpci_softc *sc, uint32_t mask)
306 {
307 
308 	sc->sc_reg_misc &= ~mask;
309 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_MISC,
310 	    sc->sc_reg_misc);
311 	delay(10);
312 }
313 
314 /* rate */
315 static const struct {
316 	int rate;
317 	int divider;
318 } cmpci_rate_table[CMPCI_REG_NUMRATE] = {
319 #define _RATE(n) { n, CMPCI_REG_RATE_ ## n }
320 	_RATE(5512),
321 	_RATE(8000),
322 	_RATE(11025),
323 	_RATE(16000),
324 	_RATE(22050),
325 	_RATE(32000),
326 	_RATE(44100),
327 	_RATE(48000)
328 #undef	_RATE
329 };
330 
331 static int
332 cmpci_rate_to_index(int rate)
333 {
334 	int i;
335 
336 	for (i = 0; i < CMPCI_REG_NUMRATE - 1; i++)
337 		if (rate <=
338 		    (cmpci_rate_table[i].rate+cmpci_rate_table[i+1].rate) / 2)
339 			return i;
340 	return i;  /* 48000 */
341 }
342 
343 static inline int
344 cmpci_index_to_rate(int index)
345 {
346 
347 	return cmpci_rate_table[index].rate;
348 }
349 
350 static inline int
351 cmpci_index_to_divider(int index)
352 {
353 
354 	return cmpci_rate_table[index].divider;
355 }
356 
357 /*
358  * interface to configure the device.
359  */
360 static int
361 cmpci_match(device_t parent, cfdata_t match, void *aux)
362 {
363 	struct pci_attach_args *pa;
364 
365 	pa = (struct pci_attach_args *)aux;
366 	if ( PCI_VENDOR(pa->pa_id) == PCI_VENDOR_CMEDIA &&
367 	     (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338A ||
368 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338B ||
369 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8738 ||
370 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8738B) )
371 		return 1;
372 
373 	return 0;
374 }
375 
376 static void
377 cmpci_attach(device_t parent, device_t self, void *aux)
378 {
379 	struct cmpci_softc *sc;
380 	struct pci_attach_args *pa;
381 	struct audio_attach_args aa;
382 	pci_intr_handle_t ih;
383 	char const *strintr;
384 	char devinfo[256];
385 	int i, v;
386 
387 	sc = device_private(self);
388 	pa = (struct pci_attach_args *)aux;
389 	aprint_naive(": Audio controller\n");
390 
391 	sc->sc_id = pa->pa_id;
392 	sc->sc_class = pa->pa_class;
393 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
394 	aprint_normal(": %s (rev. 0x%02x)\n", devinfo,
395 	    PCI_REVISION(sc->sc_class));
396 	switch (PCI_PRODUCT(sc->sc_id)) {
397 	case PCI_PRODUCT_CMEDIA_CMI8338A:
398 		/*FALLTHROUGH*/
399 	case PCI_PRODUCT_CMEDIA_CMI8338B:
400 		sc->sc_capable = CMPCI_CAP_CMI8338;
401 		break;
402 	case PCI_PRODUCT_CMEDIA_CMI8738:
403 		/*FALLTHROUGH*/
404 	case PCI_PRODUCT_CMEDIA_CMI8738B:
405 		sc->sc_capable = CMPCI_CAP_CMI8738;
406 		break;
407 	}
408 
409 	/* map I/O space */
410 	if (pci_mapreg_map(pa, CMPCI_PCI_IOBASEREG, PCI_MAPREG_TYPE_IO, 0,
411 		&sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
412 		aprint_error_dev(&sc->sc_dev, "failed to map I/O space\n");
413 		return;
414 	}
415 
416 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
417 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
418 
419 	/* interrupt */
420 	if (pci_intr_map(pa, &ih)) {
421 		aprint_error_dev(&sc->sc_dev, "failed to map interrupt\n");
422 		return;
423 	}
424 	strintr = pci_intr_string(pa->pa_pc, ih);
425 	sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, cmpci_intr,
426 	    sc);
427 	if (sc->sc_ih == NULL) {
428 		aprint_error_dev(&sc->sc_dev, "failed to establish interrupt");
429 		if (strintr != NULL)
430 			aprint_error(" at %s", strintr);
431 		aprint_error("\n");
432 		mutex_destroy(&sc->sc_lock);
433 		mutex_destroy(&sc->sc_intr_lock);
434 		return;
435 	}
436 	aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", strintr);
437 
438 	sc->sc_dmat = pa->pa_dmat;
439 
440 	audio_attach_mi(&cmpci_hw_if, sc, &sc->sc_dev);
441 
442 	/* attach OPL device */
443 	aa.type = AUDIODEV_TYPE_OPL;
444 	aa.hwif = NULL;
445 	aa.hdl = NULL;
446 	(void)config_found(&sc->sc_dev, &aa, audioprint);
447 
448 	/* attach MPU-401 device */
449 	aa.type = AUDIODEV_TYPE_MPU;
450 	aa.hwif = NULL;
451 	aa.hdl = NULL;
452 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
453 	    CMPCI_REG_MPU_BASE, CMPCI_REG_MPU_SIZE, &sc->sc_mpu_ioh) == 0)
454 		sc->sc_mpudev = config_found(&sc->sc_dev, &aa, audioprint);
455 
456 	/* get initial value (this is 0 and may be omitted but just in case) */
457 	sc->sc_reg_misc = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
458 	    CMPCI_REG_MISC) & ~CMPCI_REG_SPDIF48K;
459 
460 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_RESET, 0);
461 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, 0);
462 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, 0);
463 	cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX,
464 	    CMPCI_SB16_SW_CD|CMPCI_SB16_SW_MIC | CMPCI_SB16_SW_LINE);
465 	for (i = 0; i < CMPCI_NDEVS; i++) {
466 		switch(i) {
467 		/*
468 		 * CMI8738 defaults are
469 		 *  master:	0xe0	(0x00 - 0xf8)
470 		 *  FM, DAC:	0xc0	(0x00 - 0xf8)
471 		 *  PC speaker:	0x80	(0x00 - 0xc0)
472 		 *  others:	0
473 		 */
474 		/* volume */
475 		case CMPCI_MASTER_VOL:
476 			v = 128;	/* 224 */
477 			break;
478 		case CMPCI_FM_VOL:
479 		case CMPCI_DAC_VOL:
480 			v = 192;
481 			break;
482 		case CMPCI_PCSPEAKER:
483 			v = 128;
484 			break;
485 
486 		/* booleans, set to true */
487 		case CMPCI_CD_MUTE:
488 		case CMPCI_MIC_MUTE:
489 		case CMPCI_LINE_IN_MUTE:
490 		case CMPCI_AUX_IN_MUTE:
491 			v = 1;
492 			break;
493 
494 		/* volume with inital value 0 */
495 		case CMPCI_CD_VOL:
496 		case CMPCI_LINE_IN_VOL:
497 		case CMPCI_AUX_IN_VOL:
498 		case CMPCI_MIC_VOL:
499 		case CMPCI_MIC_RECVOL:
500 			/* FALLTHROUGH */
501 
502 		/* others are cleared */
503 		case CMPCI_MIC_PREAMP:
504 		case CMPCI_RECORD_SOURCE:
505 		case CMPCI_PLAYBACK_MODE:
506 		case CMPCI_SPDIF_IN_SELECT:
507 		case CMPCI_SPDIF_IN_PHASE:
508 		case CMPCI_SPDIF_LOOP:
509 		case CMPCI_SPDIF_OUT_PLAYBACK:
510 		case CMPCI_SPDIF_OUT_VOLTAGE:
511 		case CMPCI_MONITOR_DAC:
512 		case CMPCI_REAR:
513 		case CMPCI_INDIVIDUAL:
514 		case CMPCI_REVERSE:
515 		case CMPCI_SURROUND:
516 		default:
517 			v = 0;
518 			break;
519 		}
520 		sc->sc_gain[i][CMPCI_LEFT] = sc->sc_gain[i][CMPCI_RIGHT] = v;
521 		cmpci_set_mixer_gain(sc, i);
522 	}
523 }
524 
525 static int
526 cmpci_intr(void *handle)
527 {
528 	struct cmpci_softc *sc = handle;
529 #if NMPU > 0
530 	struct mpu_softc *sc_mpu = device_private(sc->sc_mpudev);
531 #endif
532 	uint32_t intrstat;
533 
534 	mutex_spin_enter(&sc->sc_intr_lock);
535 
536 	intrstat = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
537 	    CMPCI_REG_INTR_STATUS);
538 
539 	if (!(intrstat & CMPCI_REG_ANY_INTR)) {
540 		mutex_spin_exit(&sc->sc_intr_lock);
541 		return 0;
542 	}
543 
544 	delay(10);
545 
546 	/* disable and reset intr */
547 	if (intrstat & CMPCI_REG_CH0_INTR)
548 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
549 		   CMPCI_REG_CH0_INTR_ENABLE);
550 	if (intrstat & CMPCI_REG_CH1_INTR)
551 		cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL,
552 		    CMPCI_REG_CH1_INTR_ENABLE);
553 
554 	if (intrstat & CMPCI_REG_CH0_INTR) {
555 		if (sc->sc_play.intr != NULL)
556 			(*sc->sc_play.intr)(sc->sc_play.intr_arg);
557 	}
558 	if (intrstat & CMPCI_REG_CH1_INTR) {
559 		if (sc->sc_rec.intr != NULL)
560 			(*sc->sc_rec.intr)(sc->sc_rec.intr_arg);
561 	}
562 
563 	/* enable intr */
564 	if (intrstat & CMPCI_REG_CH0_INTR)
565 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
566 		    CMPCI_REG_CH0_INTR_ENABLE);
567 	if (intrstat & CMPCI_REG_CH1_INTR)
568 		cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL,
569 		    CMPCI_REG_CH1_INTR_ENABLE);
570 
571 #if NMPU > 0
572 	if (intrstat & CMPCI_REG_UART_INTR && sc_mpu != NULL)
573 		mpu_intr(sc_mpu);
574 #endif
575 
576 	mutex_spin_exit(&sc->sc_intr_lock);
577 	return 1;
578 }
579 
580 static int
581 cmpci_query_encoding(void *handle, struct audio_encoding *fp)
582 {
583 
584 	switch (fp->index) {
585 	case 0:
586 		strcpy(fp->name, AudioEulinear);
587 		fp->encoding = AUDIO_ENCODING_ULINEAR;
588 		fp->precision = 8;
589 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
590 		break;
591 	case 1:
592 		strcpy(fp->name, AudioEmulaw);
593 		fp->encoding = AUDIO_ENCODING_ULAW;
594 		fp->precision = 8;
595 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
596 		break;
597 	case 2:
598 		strcpy(fp->name, AudioEalaw);
599 		fp->encoding = AUDIO_ENCODING_ALAW;
600 		fp->precision = 8;
601 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
602 		break;
603 	case 3:
604 		strcpy(fp->name, AudioEslinear);
605 		fp->encoding = AUDIO_ENCODING_SLINEAR;
606 		fp->precision = 8;
607 		fp->flags = 0;
608 		break;
609 	case 4:
610 		strcpy(fp->name, AudioEslinear_le);
611 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
612 		fp->precision = 16;
613 		fp->flags = 0;
614 		break;
615 	case 5:
616 		strcpy(fp->name, AudioEulinear_le);
617 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
618 		fp->precision = 16;
619 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
620 		break;
621 	case 6:
622 		strcpy(fp->name, AudioEslinear_be);
623 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
624 		fp->precision = 16;
625 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
626 		break;
627 	case 7:
628 		strcpy(fp->name, AudioEulinear_be);
629 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
630 		fp->precision = 16;
631 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
632 		break;
633 	default:
634 		return EINVAL;
635 	}
636 	return 0;
637 }
638 
639 
640 static int
641 cmpci_set_params(void *handle, int setmode, int usemode,
642     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
643     stream_filter_list_t *rfil)
644 {
645 	int i;
646 	struct cmpci_softc *sc;
647 
648 	sc = handle;
649 	for (i = 0; i < 2; i++) {
650 		int md_format;
651 		int md_divide;
652 		int md_index;
653 		int mode;
654 		audio_params_t *p;
655 		stream_filter_list_t *fil;
656 		int ind;
657 
658 		switch (i) {
659 		case 0:
660 			mode = AUMODE_PLAY;
661 			p = play;
662 			fil = pfil;
663 			break;
664 		case 1:
665 			mode = AUMODE_RECORD;
666 			p = rec;
667 			fil = rfil;
668 			break;
669 		default:
670 			return EINVAL;
671 		}
672 
673 		if (!(setmode & mode))
674 			continue;
675 
676 		md_index = cmpci_rate_to_index(p->sample_rate);
677 		md_divide = cmpci_index_to_divider(md_index);
678 		p->sample_rate = cmpci_index_to_rate(md_index);
679 		DPRINTF(("%s: sample:%u, divider=%d\n",
680 			 device_xname(&sc->sc_dev), p->sample_rate, md_divide));
681 
682 		ind = auconv_set_converter(cmpci_formats, CMPCI_NFORMATS,
683 					   mode, p, FALSE, fil);
684 		if (ind < 0)
685 			return EINVAL;
686 		if (fil->req_size > 0)
687 			p = &fil->filters[0].param;
688 
689 		/* format */
690 		md_format = p->channels == 1
691 			? CMPCI_REG_FORMAT_MONO : CMPCI_REG_FORMAT_STEREO;
692 		md_format |= p->precision == 16
693 			? CMPCI_REG_FORMAT_16BIT : CMPCI_REG_FORMAT_8BIT;
694 		if (mode & AUMODE_PLAY) {
695 			cmpci_reg_partial_write_4(sc,
696 			   CMPCI_REG_CHANNEL_FORMAT,
697 			   CMPCI_REG_CH0_FORMAT_SHIFT,
698 			   CMPCI_REG_CH0_FORMAT_MASK, md_format);
699 			cmpci_reg_partial_write_4(sc,
700 			    CMPCI_REG_FUNC_1, CMPCI_REG_DAC_FS_SHIFT,
701 			    CMPCI_REG_DAC_FS_MASK, md_divide);
702 			sc->sc_play.md_divide = md_divide;
703 		} else {
704 			cmpci_reg_partial_write_4(sc,
705 			   CMPCI_REG_CHANNEL_FORMAT,
706 			   CMPCI_REG_CH1_FORMAT_SHIFT,
707 			   CMPCI_REG_CH1_FORMAT_MASK, md_format);
708 			cmpci_reg_partial_write_4(sc,
709 			    CMPCI_REG_FUNC_1, CMPCI_REG_ADC_FS_SHIFT,
710 			    CMPCI_REG_ADC_FS_MASK, md_divide);
711 			sc->sc_rec.md_divide = md_divide;
712 		}
713 		cmpci_set_out_ports(sc);
714 		cmpci_set_in_ports(sc);
715 	}
716 	return 0;
717 }
718 
719 /* ARGSUSED */
720 static int
721 cmpci_round_blocksize(void *handle, int block,
722     int mode, const audio_params_t *param)
723 {
724 
725 	return block & -4;
726 }
727 
728 static int
729 cmpci_halt_output(void *handle)
730 {
731 	struct cmpci_softc *sc;
732 
733 	sc = handle;
734 	sc->sc_play.intr = NULL;
735 	cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE);
736 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE);
737 	/* wait for reset DMA */
738 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
739 	delay(10);
740 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET);
741 
742 	return 0;
743 }
744 
745 static int
746 cmpci_halt_input(void *handle)
747 {
748 	struct cmpci_softc *sc;
749 
750 	sc = handle;
751 	sc->sc_rec.intr = NULL;
752 	cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE);
753 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE);
754 	/* wait for reset DMA */
755 	cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET);
756 	delay(10);
757 	cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET);
758 
759 	return 0;
760 }
761 
762 /* get audio device information */
763 static int
764 cmpci_getdev(void *handle, struct audio_device *ad)
765 {
766 	struct cmpci_softc *sc;
767 
768 	sc = handle;
769 	strncpy(ad->name, "CMI PCI Audio", sizeof(ad->name));
770 	snprintf(ad->version, sizeof(ad->version), "0x%02x",
771 		 PCI_REVISION(sc->sc_class));
772 	switch (PCI_PRODUCT(sc->sc_id)) {
773 	case PCI_PRODUCT_CMEDIA_CMI8338A:
774 		strncpy(ad->config, "CMI8338A", sizeof(ad->config));
775 		break;
776 	case PCI_PRODUCT_CMEDIA_CMI8338B:
777 		strncpy(ad->config, "CMI8338B", sizeof(ad->config));
778 		break;
779 	case PCI_PRODUCT_CMEDIA_CMI8738:
780 		strncpy(ad->config, "CMI8738", sizeof(ad->config));
781 		break;
782 	case PCI_PRODUCT_CMEDIA_CMI8738B:
783 		strncpy(ad->config, "CMI8738B", sizeof(ad->config));
784 		break;
785 	default:
786 		strncpy(ad->config, "unknown", sizeof(ad->config));
787 	}
788 
789 	return 0;
790 }
791 
792 /* mixer device information */
793 int
794 cmpci_query_devinfo(void *handle, mixer_devinfo_t *dip)
795 {
796 	static const char *const mixer_port_names[] = {
797 		AudioNdac, AudioNfmsynth, AudioNcd, AudioNline, AudioNaux,
798 		AudioNmicrophone
799 	};
800 	static const char *const mixer_classes[] = {
801 		AudioCinputs, AudioCoutputs, AudioCrecord, CmpciCplayback,
802 		CmpciCspdif
803 	};
804 	struct cmpci_softc *sc;
805 	int i;
806 
807 	sc = handle;
808 	dip->prev = dip->next = AUDIO_MIXER_LAST;
809 
810 	switch (dip->index) {
811 	case CMPCI_INPUT_CLASS:
812 	case CMPCI_OUTPUT_CLASS:
813 	case CMPCI_RECORD_CLASS:
814 	case CMPCI_PLAYBACK_CLASS:
815 	case CMPCI_SPDIF_CLASS:
816 		dip->type = AUDIO_MIXER_CLASS;
817 		dip->mixer_class = dip->index;
818 		strcpy(dip->label.name,
819 		    mixer_classes[dip->index - CMPCI_INPUT_CLASS]);
820 		return 0;
821 
822 	case CMPCI_AUX_IN_VOL:
823 		dip->un.v.delta = 1 << (8 - CMPCI_REG_AUX_VALBITS);
824 		goto vol1;
825 	case CMPCI_DAC_VOL:
826 	case CMPCI_FM_VOL:
827 	case CMPCI_CD_VOL:
828 	case CMPCI_LINE_IN_VOL:
829 	case CMPCI_MIC_VOL:
830 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_VALBITS);
831 	vol1:	dip->mixer_class = CMPCI_INPUT_CLASS;
832 		dip->next = dip->index + 6;	/* CMPCI_xxx_MUTE */
833 		strcpy(dip->label.name, mixer_port_names[dip->index]);
834 		dip->un.v.num_channels = (dip->index == CMPCI_MIC_VOL ? 1 : 2);
835 	vol:
836 		dip->type = AUDIO_MIXER_VALUE;
837 		strcpy(dip->un.v.units.name, AudioNvolume);
838 		return 0;
839 
840 	case CMPCI_MIC_MUTE:
841 		dip->next = CMPCI_MIC_PREAMP;
842 		/* FALLTHROUGH */
843 	case CMPCI_DAC_MUTE:
844 	case CMPCI_FM_MUTE:
845 	case CMPCI_CD_MUTE:
846 	case CMPCI_LINE_IN_MUTE:
847 	case CMPCI_AUX_IN_MUTE:
848 		dip->prev = dip->index - 6;	/* CMPCI_xxx_VOL */
849 		dip->mixer_class = CMPCI_INPUT_CLASS;
850 		strcpy(dip->label.name, AudioNmute);
851 		goto on_off;
852 	on_off:
853 		dip->type = AUDIO_MIXER_ENUM;
854 		dip->un.e.num_mem = 2;
855 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
856 		dip->un.e.member[0].ord = 0;
857 		strcpy(dip->un.e.member[1].label.name, AudioNon);
858 		dip->un.e.member[1].ord = 1;
859 		return 0;
860 
861 	case CMPCI_MIC_PREAMP:
862 		dip->mixer_class = CMPCI_INPUT_CLASS;
863 		dip->prev = CMPCI_MIC_MUTE;
864 		strcpy(dip->label.name, AudioNpreamp);
865 		goto on_off;
866 	case CMPCI_PCSPEAKER:
867 		dip->mixer_class = CMPCI_INPUT_CLASS;
868 		strcpy(dip->label.name, AudioNspeaker);
869 		dip->un.v.num_channels = 1;
870 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_SPEAKER_VALBITS);
871 		goto vol;
872 	case CMPCI_RECORD_SOURCE:
873 		dip->mixer_class = CMPCI_RECORD_CLASS;
874 		strcpy(dip->label.name, AudioNsource);
875 		dip->type = AUDIO_MIXER_SET;
876 		dip->un.s.num_mem = 7;
877 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
878 		dip->un.s.member[0].mask = CMPCI_RECORD_SOURCE_MIC;
879 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
880 		dip->un.s.member[1].mask = CMPCI_RECORD_SOURCE_CD;
881 		strcpy(dip->un.s.member[2].label.name, AudioNline);
882 		dip->un.s.member[2].mask = CMPCI_RECORD_SOURCE_LINE_IN;
883 		strcpy(dip->un.s.member[3].label.name, AudioNaux);
884 		dip->un.s.member[3].mask = CMPCI_RECORD_SOURCE_AUX_IN;
885 		strcpy(dip->un.s.member[4].label.name, AudioNwave);
886 		dip->un.s.member[4].mask = CMPCI_RECORD_SOURCE_WAVE;
887 		strcpy(dip->un.s.member[5].label.name, AudioNfmsynth);
888 		dip->un.s.member[5].mask = CMPCI_RECORD_SOURCE_FM;
889 		strcpy(dip->un.s.member[6].label.name, CmpciNspdif);
890 		dip->un.s.member[6].mask = CMPCI_RECORD_SOURCE_SPDIF;
891 		return 0;
892 	case CMPCI_MIC_RECVOL:
893 		dip->mixer_class = CMPCI_RECORD_CLASS;
894 		strcpy(dip->label.name, AudioNmicrophone);
895 		dip->un.v.num_channels = 1;
896 		dip->un.v.delta = 1 << (8 - CMPCI_REG_ADMIC_VALBITS);
897 		goto vol;
898 
899 	case CMPCI_PLAYBACK_MODE:
900 		dip->mixer_class = CMPCI_PLAYBACK_CLASS;
901 		dip->type = AUDIO_MIXER_ENUM;
902 		strcpy(dip->label.name, AudioNmode);
903 		dip->un.e.num_mem = 2;
904 		strcpy(dip->un.e.member[0].label.name, AudioNdac);
905 		dip->un.e.member[0].ord = CMPCI_PLAYBACK_MODE_WAVE;
906 		strcpy(dip->un.e.member[1].label.name, CmpciNspdif);
907 		dip->un.e.member[1].ord = CMPCI_PLAYBACK_MODE_SPDIF;
908 		return 0;
909 	case CMPCI_SPDIF_IN_SELECT:
910 		dip->mixer_class = CMPCI_SPDIF_CLASS;
911 		dip->type = AUDIO_MIXER_ENUM;
912 		dip->next = CMPCI_SPDIF_IN_PHASE;
913 		strcpy(dip->label.name, AudioNinput);
914 		i = 0;
915 		strcpy(dip->un.e.member[i].label.name, CmpciNspdin1);
916 		dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDIN1;
917 		if (CMPCI_ISCAP(sc, 2ND_SPDIN)) {
918 			strcpy(dip->un.e.member[i].label.name, CmpciNspdin2);
919 			dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDIN2;
920 		}
921 		strcpy(dip->un.e.member[i].label.name, CmpciNspdout);
922 		dip->un.e.member[i++].ord = CMPCI_SPDIF_IN_SPDOUT;
923 		dip->un.e.num_mem = i;
924 		return 0;
925 	case CMPCI_SPDIF_IN_PHASE:
926 		dip->mixer_class = CMPCI_SPDIF_CLASS;
927 		dip->prev = CMPCI_SPDIF_IN_SELECT;
928 		strcpy(dip->label.name, CmpciNphase);
929 		dip->type = AUDIO_MIXER_ENUM;
930 		dip->un.e.num_mem = 2;
931 		strcpy(dip->un.e.member[0].label.name, CmpciNpositive);
932 		dip->un.e.member[0].ord = CMPCI_SPDIF_IN_PHASE_POSITIVE;
933 		strcpy(dip->un.e.member[1].label.name, CmpciNnegative);
934 		dip->un.e.member[1].ord = CMPCI_SPDIF_IN_PHASE_NEGATIVE;
935 		return 0;
936 	case CMPCI_SPDIF_LOOP:
937 		dip->mixer_class = CMPCI_SPDIF_CLASS;
938 		dip->next = CMPCI_SPDIF_OUT_PLAYBACK;
939 		strcpy(dip->label.name, AudioNoutput);
940 		dip->type = AUDIO_MIXER_ENUM;
941 		dip->un.e.num_mem = 2;
942 		strcpy(dip->un.e.member[0].label.name, CmpciNplayback);
943 		dip->un.e.member[0].ord = CMPCI_SPDIF_LOOP_OFF;
944 		strcpy(dip->un.e.member[1].label.name, CmpciNspdin);
945 		dip->un.e.member[1].ord = CMPCI_SPDIF_LOOP_ON;
946 		return 0;
947 	case CMPCI_SPDIF_OUT_PLAYBACK:
948 		dip->mixer_class = CMPCI_SPDIF_CLASS;
949 		dip->prev = CMPCI_SPDIF_LOOP;
950 		dip->next = CMPCI_SPDIF_OUT_VOLTAGE;
951 		strcpy(dip->label.name, CmpciNplayback);
952 		dip->type = AUDIO_MIXER_ENUM;
953 		dip->un.e.num_mem = 2;
954 		strcpy(dip->un.e.member[0].label.name, AudioNwave);
955 		dip->un.e.member[0].ord = CMPCI_SPDIF_OUT_PLAYBACK_WAVE;
956 		strcpy(dip->un.e.member[1].label.name, CmpciNlegacy);
957 		dip->un.e.member[1].ord = CMPCI_SPDIF_OUT_PLAYBACK_LEGACY;
958 		return 0;
959 	case CMPCI_SPDIF_OUT_VOLTAGE:
960 		dip->mixer_class = CMPCI_SPDIF_CLASS;
961 		dip->prev = CMPCI_SPDIF_OUT_PLAYBACK;
962 		strcpy(dip->label.name, CmpciNvoltage);
963 		dip->type = AUDIO_MIXER_ENUM;
964 		dip->un.e.num_mem = 2;
965 		strcpy(dip->un.e.member[0].label.name, CmpciNhigh_v);
966 		dip->un.e.member[0].ord = CMPCI_SPDIF_OUT_VOLTAGE_HIGH;
967 		strcpy(dip->un.e.member[1].label.name, CmpciNlow_v);
968 		dip->un.e.member[1].ord = CMPCI_SPDIF_OUT_VOLTAGE_LOW;
969 		return 0;
970 	case CMPCI_MONITOR_DAC:
971 		dip->mixer_class = CMPCI_SPDIF_CLASS;
972 		strcpy(dip->label.name, AudioNmonitor);
973 		dip->type = AUDIO_MIXER_ENUM;
974 		dip->un.e.num_mem = 3;
975 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
976 		dip->un.e.member[0].ord = CMPCI_MONITOR_DAC_OFF;
977 		strcpy(dip->un.e.member[1].label.name, CmpciNspdin);
978 		dip->un.e.member[1].ord = CMPCI_MONITOR_DAC_SPDIN;
979 		strcpy(dip->un.e.member[2].label.name, CmpciNspdout);
980 		dip->un.e.member[2].ord = CMPCI_MONITOR_DAC_SPDOUT;
981 		return 0;
982 
983 	case CMPCI_MASTER_VOL:
984 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
985 		strcpy(dip->label.name, AudioNmaster);
986 		dip->un.v.num_channels = 2;
987 		dip->un.v.delta = 1 << (8 - CMPCI_SB16_MIXER_VALBITS);
988 		goto vol;
989 	case CMPCI_REAR:
990 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
991 		dip->next = CMPCI_INDIVIDUAL;
992 		strcpy(dip->label.name, CmpciNrear);
993 		goto on_off;
994 	case CMPCI_INDIVIDUAL:
995 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
996 		dip->prev = CMPCI_REAR;
997 		dip->next = CMPCI_REVERSE;
998 		strcpy(dip->label.name, CmpciNindividual);
999 		goto on_off;
1000 	case CMPCI_REVERSE:
1001 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1002 		dip->prev = CMPCI_INDIVIDUAL;
1003 		strcpy(dip->label.name, CmpciNreverse);
1004 		goto on_off;
1005 	case CMPCI_SURROUND:
1006 		dip->mixer_class = CMPCI_OUTPUT_CLASS;
1007 		strcpy(dip->label.name, CmpciNsurround);
1008 		goto on_off;
1009 	}
1010 
1011 	return ENXIO;
1012 }
1013 
1014 static int
1015 cmpci_alloc_dmamem(struct cmpci_softc *sc, size_t size, void **r_addr)
1016 {
1017 	int error;
1018 	struct cmpci_dmanode *n;
1019 
1020 	error = 0;
1021 	n = kmem_alloc(sizeof(struct cmpci_dmanode), KM_SLEEP);
1022 	if (n == NULL) {
1023 		error = ENOMEM;
1024 		goto quit;
1025 	}
1026 
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,
1034 	    BUS_DMA_WAITOK);
1035 	if (error)
1036 		goto mfree;
1037 	error = bus_dmamem_map(n->cd_tag, n->cd_segs, n->cd_nsegs, n->cd_size,
1038 	    &n->cd_addr, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
1039 	if (error)
1040 		goto dmafree;
1041 	error = bus_dmamap_create(n->cd_tag, n->cd_size, 1, n->cd_size, 0,
1042 	    BUS_DMA_WAITOK, &n->cd_map);
1043 	if (error)
1044 		goto unmap;
1045 	error = bus_dmamap_load(n->cd_tag, n->cd_map, n->cd_addr, n->cd_size,
1046 	    NULL, BUS_DMA_WAITOK);
1047 	if (error)
1048 		goto destroy;
1049 
1050 	n->cd_next = sc->sc_dmap;
1051 	sc->sc_dmap = n;
1052 	*r_addr = KVADDR(n);
1053 	return 0;
1054 
1055  destroy:
1056 	bus_dmamap_destroy(n->cd_tag, n->cd_map);
1057  unmap:
1058 	bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1059  dmafree:
1060 	bus_dmamem_free(n->cd_tag,
1061 			n->cd_segs, sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1062  mfree:
1063 	kmem_free(n, sizeof(*n));
1064  quit:
1065 	return error;
1066 }
1067 
1068 static int
1069 cmpci_free_dmamem(struct cmpci_softc *sc, void *addr, size_t size)
1070 {
1071 	struct cmpci_dmanode **nnp;
1072 
1073 	for (nnp = &sc->sc_dmap; *nnp; nnp= &(*nnp)->cd_next) {
1074 		if ((*nnp)->cd_addr == addr) {
1075 			struct cmpci_dmanode *n = *nnp;
1076 			bus_dmamap_unload(n->cd_tag, n->cd_map);
1077 			bus_dmamap_destroy(n->cd_tag, n->cd_map);
1078 			bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
1079 			bus_dmamem_free(n->cd_tag, n->cd_segs,
1080 			    sizeof(n->cd_segs)/sizeof(n->cd_segs[0]));
1081 			kmem_free(n, sizeof(*n));
1082 			return 0;
1083 		}
1084 	}
1085 	return -1;
1086 }
1087 
1088 static struct cmpci_dmanode *
1089 cmpci_find_dmamem(struct cmpci_softc *sc, void *addr)
1090 {
1091 	struct cmpci_dmanode *p;
1092 
1093 	for (p = sc->sc_dmap; p; p = p->cd_next)
1094 		if (KVADDR(p) == (void *)addr)
1095 			break;
1096 	return p;
1097 }
1098 
1099 #if 0
1100 static void
1101 cmpci_print_dmamem(struct cmpci_dmanode *);
1102 static void
1103 cmpci_print_dmamem(struct cmpci_dmanode *p)
1104 {
1105 
1106 	DPRINTF(("DMA at virt:%p, dmaseg:%p, mapseg:%p, size:%p\n",
1107 		 (void *)p->cd_addr, (void *)p->cd_segs[0].ds_addr,
1108 		 (void *)DMAADDR(p), (void *)p->cd_size));
1109 }
1110 #endif /* DEBUG */
1111 
1112 static void *
1113 cmpci_allocm(void *handle, int direction, size_t size)
1114 {
1115 	void *addr;
1116 
1117 	addr = NULL;	/* XXX gcc */
1118 
1119 	if (cmpci_alloc_dmamem(handle, size, &addr))
1120 		return NULL;
1121 	return addr;
1122 }
1123 
1124 static void
1125 cmpci_freem(void *handle, void *addr, size_t size)
1126 {
1127 
1128 	cmpci_free_dmamem(handle, addr, size);
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 static void
1749 cmpci_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1750 {
1751 	struct cmpci_softc *sc;
1752 
1753 	sc = addr;
1754 	*intr = &sc->sc_intr_lock;
1755 	*thread = &sc->sc_lock;
1756 }
1757 
1758 /* end of file */
1759