xref: /netbsd-src/sys/dev/pci/autri.c (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: autri.c,v 1.36 2007/12/09 20:28:06 jmcneill Exp $	*/
2 
3 /*
4  * Copyright (c) 2001 SOMEYA Yoshihiko and KUROSAWA Takahiro.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /*
29  * Trident 4DWAVE-DX/NX, SiS 7018, ALi M5451 Sound Driver
30  *
31  * The register information is taken from the ALSA driver.
32  *
33  * Documentation links:
34  * - ftp://ftp.alsa-project.org/pub/manuals/trident/
35  */
36 
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: autri.c,v 1.36 2007/12/09 20:28:06 jmcneill Exp $");
39 
40 #include "midi.h"
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/fcntl.h>
46 #include <sys/malloc.h>
47 #include <sys/device.h>
48 #include <sys/proc.h>
49 
50 #include <dev/pci/pcidevs.h>
51 #include <dev/pci/pcireg.h>
52 #include <dev/pci/pcivar.h>
53 
54 #include <sys/audioio.h>
55 #include <dev/audio_if.h>
56 #include <dev/midi_if.h>
57 #include <dev/mulaw.h>
58 #include <dev/auconv.h>
59 #include <dev/ic/ac97reg.h>
60 #include <dev/ic/ac97var.h>
61 #include <dev/ic/mpuvar.h>
62 
63 #include <sys/bus.h>
64 #include <sys/intr.h>
65 
66 #include <dev/pci/autrireg.h>
67 #include <dev/pci/autrivar.h>
68 
69 #ifdef AUDIO_DEBUG
70 # define DPRINTF(x)	if (autridebug) printf x
71 # define DPRINTFN(n,x)	if (autridebug > (n)) printf x
72 int autridebug = 0;
73 #else
74 # define DPRINTF(x)
75 # define DPRINTFN(n,x)
76 #endif
77 
78 static int	autri_intr(void *);
79 
80 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
81 #define KERNADDR(p) ((void *)((p)->addr))
82 
83 static int     autri_allocmem(struct autri_softc *, size_t,
84 			      size_t, struct autri_dma *);
85 static int     autri_freemem(struct autri_softc *, struct autri_dma *);
86 
87 #define TWRITE1(sc, r, x) bus_space_write_1((sc)->memt, (sc)->memh, (r), (x))
88 #define TWRITE2(sc, r, x) bus_space_write_2((sc)->memt, (sc)->memh, (r), (x))
89 #define TWRITE4(sc, r, x) bus_space_write_4((sc)->memt, (sc)->memh, (r), (x))
90 #define TREAD1(sc, r) bus_space_read_1((sc)->memt, (sc)->memh, (r))
91 #define TREAD2(sc, r) bus_space_read_2((sc)->memt, (sc)->memh, (r))
92 #define TREAD4(sc, r) bus_space_read_4((sc)->memt, (sc)->memh, (r))
93 
94 static int	autri_attach_codec(void *, struct ac97_codec_if *);
95 static int	autri_read_codec(void *, uint8_t, uint16_t *);
96 static int	autri_write_codec(void *, uint8_t, uint16_t);
97 static int	autri_reset_codec(void *);
98 static enum ac97_host_flags	autri_flags_codec(void *);
99 
100 static bool autri_resume(device_t);
101 static int  autri_init(void *);
102 static struct autri_dma *autri_find_dma(struct autri_softc *, void *);
103 static void autri_setup_channel(struct autri_softc *, int,
104 				const audio_params_t *param);
105 static void autri_enable_interrupt(struct autri_softc *, int);
106 static void autri_disable_interrupt(struct autri_softc *, int);
107 static void autri_startch(struct autri_softc *, int, int);
108 static void autri_stopch(struct autri_softc *, int, int);
109 static void autri_enable_loop_interrupt(void *);
110 #if 0
111 static void autri_disable_loop_interrupt(void *);
112 #endif
113 
114 static int	autri_open(void *, int);
115 static int	autri_query_encoding(void *, struct audio_encoding *);
116 static int	autri_set_params(void *, int, int, audio_params_t *,
117 				 audio_params_t *, stream_filter_list_t *,
118 				 stream_filter_list_t *);
119 static int	autri_round_blocksize(void *, int, int, const audio_params_t *);
120 static int	autri_trigger_output(void *, void *, void *, int,
121 				     void (*)(void *), void *,
122 				     const audio_params_t *);
123 static int	autri_trigger_input(void *, void *, void *, int,
124 				    void (*)(void *), void *,
125 				    const audio_params_t *);
126 static int	autri_halt_output(void *);
127 static int	autri_halt_input(void *);
128 static int	autri_getdev(void *, struct audio_device *);
129 static int	autri_mixer_set_port(void *, mixer_ctrl_t *);
130 static int	autri_mixer_get_port(void *, mixer_ctrl_t *);
131 static void*	autri_malloc(void *, int, size_t, struct malloc_type *, int);
132 static void	autri_free(void *, void *, struct malloc_type *);
133 static size_t	autri_round_buffersize(void *, int, size_t);
134 static paddr_t autri_mappage(void *, void *, off_t, int);
135 static int	autri_get_props(void *);
136 static int	autri_query_devinfo(void *, mixer_devinfo_t *);
137 
138 static const struct audio_hw_if autri_hw_if = {
139 	autri_open,
140 	NULL,			/* close */
141 	NULL,			/* drain */
142 	autri_query_encoding,
143 	autri_set_params,
144 	autri_round_blocksize,
145 	NULL,			/* commit_settings */
146 	NULL,			/* init_output */
147 	NULL,			/* init_input */
148 	NULL,			/* start_output */
149 	NULL,			/* start_input */
150 	autri_halt_output,
151 	autri_halt_input,
152 	NULL,			/* speaker_ctl */
153 	autri_getdev,
154 	NULL,			/* setfd */
155 	autri_mixer_set_port,
156 	autri_mixer_get_port,
157 	autri_query_devinfo,
158 	autri_malloc,
159 	autri_free,
160 	autri_round_buffersize,
161 	autri_mappage,
162 	autri_get_props,
163 	autri_trigger_output,
164 	autri_trigger_input,
165 	NULL,			/* dev_ioctl */
166 	NULL,			/* powerstate */
167 };
168 
169 #if NMIDI > 0
170 static void	autri_midi_close(void *);
171 static void	autri_midi_getinfo(void *, struct midi_info *);
172 static int	autri_midi_open(void *, int, void (*)(void *, int),
173 			   void (*)(void *), void *);
174 static int	autri_midi_output(void *, int);
175 
176 static const struct midi_hw_if autri_midi_hw_if = {
177 	autri_midi_open,
178 	autri_midi_close,
179 	autri_midi_output,
180 	autri_midi_getinfo,
181 	NULL,			/* ioctl */
182 };
183 #endif
184 
185 #define AUTRI_NFORMATS	8
186 static const struct audio_format autri_formats[AUTRI_NFORMATS] = {
187 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
188 	 2, AUFMT_STEREO, 0, {4000, 48000}},
189 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
190 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
191 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 16, 16,
192 	 2, AUFMT_STEREO, 0, {4000, 48000}},
193 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 16, 16,
194 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
195 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
196 	 2, AUFMT_STEREO, 0, {4000, 48000}},
197 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
198 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
199 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
200 	 2, AUFMT_STEREO, 0, {4000, 48000}},
201 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
202 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
203 };
204 
205 /*
206  * register set/clear bit
207  */
208 static inline void
209 autri_reg_set_1(struct autri_softc *sc, int no, uint8_t mask)
210 {
211 	bus_space_write_1(sc->memt, sc->memh, no,
212 	    (bus_space_read_1(sc->memt, sc->memh, no) | mask));
213 }
214 
215 static inline void
216 autri_reg_clear_1(struct autri_softc *sc, int no, uint8_t mask)
217 {
218 	bus_space_write_1(sc->memt, sc->memh, no,
219 	    (bus_space_read_1(sc->memt, sc->memh, no) & ~mask));
220 }
221 
222 static inline void
223 autri_reg_set_4(struct autri_softc *sc, int no, uint32_t mask)
224 {
225 	bus_space_write_4(sc->memt, sc->memh, no,
226 	    (bus_space_read_4(sc->memt, sc->memh, no) | mask));
227 }
228 
229 static inline void
230 autri_reg_clear_4(struct autri_softc *sc, int no, uint32_t mask)
231 {
232 	bus_space_write_4(sc->memt, sc->memh, no,
233 	    (bus_space_read_4(sc->memt, sc->memh, no) & ~mask));
234 }
235 
236 /*
237  * AC'97 codec
238  */
239 static int
240 autri_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
241 {
242 	struct autri_codec_softc *sc;
243 
244 	DPRINTF(("autri_attach_codec()\n"));
245 	sc = sc_;
246 	sc->codec_if = codec_if;
247 	return 0;
248 }
249 
250 static int
251 autri_read_codec(void *sc_, uint8_t index, uint16_t *data)
252 {
253 	struct autri_codec_softc *codec;
254 	struct autri_softc *sc;
255 	uint32_t status, addr, cmd, busy;
256 	uint16_t count;
257 
258 	codec = sc_;
259 	sc = codec->sc;
260 	/*DPRINTF(("sc->sc->type : 0x%X",sc->sc->type));*/
261 
262 	switch (sc->sc_devid) {
263 	case AUTRI_DEVICE_ID_4DWAVE_DX:
264 		addr = AUTRI_DX_ACR1;
265 		cmd  = AUTRI_DX_ACR1_CMD_READ;
266 		busy = AUTRI_DX_ACR1_BUSY_READ;
267 		break;
268 	case AUTRI_DEVICE_ID_4DWAVE_NX:
269 		addr = AUTRI_NX_ACR2;
270 		cmd  = AUTRI_NX_ACR2_CMD_READ;
271 		busy = AUTRI_NX_ACR2_BUSY_READ | AUTRI_NX_ACR2_RECV_WAIT;
272 		break;
273 	case AUTRI_DEVICE_ID_SIS_7018:
274 		addr = AUTRI_SIS_ACRD;
275 		cmd  = AUTRI_SIS_ACRD_CMD_READ;
276 		busy = AUTRI_SIS_ACRD_BUSY_READ | AUTRI_SIS_ACRD_AUDIO_BUSY;
277 		break;
278 	case AUTRI_DEVICE_ID_ALI_M5451:
279 		if (sc->sc_revision > 0x01)
280 			addr = AUTRI_ALI_ACWR;
281 		else
282 			addr = AUTRI_ALI_ACRD;
283 		cmd  = AUTRI_ALI_ACRD_CMD_READ;
284 		busy = AUTRI_ALI_ACRD_BUSY_READ;
285 		break;
286 	default:
287 		printf("%s: autri_read_codec : unknown device\n",
288 		       sc->sc_dev.dv_xname);
289 		return -1;
290 	}
291 
292 	/* wait for 'Ready to Read' */
293 	for (count=0; count<0xffff; count++) {
294 		if ((TREAD4(sc, addr) & busy) == 0)
295 			break;
296 	}
297 
298 	if (count == 0xffff) {
299 		printf("%s: Codec timeout. Busy reading AC'97 codec.\n",
300 		       sc->sc_dev.dv_xname);
301 		return -1;
302 	}
303 
304 	/* send Read Command to AC'97 */
305 	TWRITE4(sc, addr, (index & 0x7f) | cmd);
306 
307 	/* wait for 'Returned data is avalable' */
308 	for (count=0; count<0xffff; count++) {
309 		status = TREAD4(sc, addr);
310 		if ((status & busy) == 0)
311 			break;
312 	}
313 
314 	if (count == 0xffff) {
315 		printf("%s: Codec timeout. Busy reading AC'97 codec.\n",
316 		       sc->sc_dev.dv_xname);
317 		return -1;
318 	}
319 
320 	*data =  (status >> 16) & 0x0000ffff;
321 	/*DPRINTF(("autri_read_codec(0x%X) return 0x%X\n",reg,*data));*/
322 	return 0;
323 }
324 
325 static int
326 autri_write_codec(void *sc_, uint8_t index, uint16_t data)
327 {
328 	struct autri_codec_softc *codec;
329 	struct autri_softc *sc;
330 	uint32_t addr, cmd, busy;
331 	uint16_t count;
332 
333 	codec = sc_;
334 	sc = codec->sc;
335 	/*DPRINTF(("autri_write_codec(0x%X,0x%X)\n",index,data));*/
336 
337 	switch (sc->sc_devid) {
338 	case AUTRI_DEVICE_ID_4DWAVE_DX:
339 		addr = AUTRI_DX_ACR0;
340 		cmd  = AUTRI_DX_ACR0_CMD_WRITE;
341 		busy = AUTRI_DX_ACR0_BUSY_WRITE;
342 		break;
343 	case AUTRI_DEVICE_ID_4DWAVE_NX:
344 		addr = AUTRI_NX_ACR1;
345 		cmd  = AUTRI_NX_ACR1_CMD_WRITE;
346 		busy = AUTRI_NX_ACR1_BUSY_WRITE;
347 		break;
348 	case AUTRI_DEVICE_ID_SIS_7018:
349 		addr = AUTRI_SIS_ACWR;
350 		cmd  = AUTRI_SIS_ACWR_CMD_WRITE;
351 		busy = AUTRI_SIS_ACWR_BUSY_WRITE | AUTRI_SIS_ACWR_AUDIO_BUSY;
352 		break;
353 	case AUTRI_DEVICE_ID_ALI_M5451:
354 		addr = AUTRI_ALI_ACWR;
355 		cmd  = AUTRI_ALI_ACWR_CMD_WRITE;
356 		if (sc->sc_revision > 0x01)
357 			cmd  |= 0x0100;
358 		busy = AUTRI_ALI_ACWR_BUSY_WRITE;
359 		break;
360 	default:
361 		printf("%s: autri_write_codec : unknown device.\n",
362 		       sc->sc_dev.dv_xname);
363 		return -1;
364 	}
365 
366 	/* wait for 'Ready to Write' */
367 	for (count=0; count<0xffff; count++) {
368 		if ((TREAD4(sc, addr) & busy) == 0)
369 			break;
370 	}
371 
372 	if (count == 0xffff) {
373 		printf("%s: Codec timeout. Busy writing AC'97 codec\n",
374 		       sc->sc_dev.dv_xname);
375 		return -1;
376 	}
377 
378 	/* send Write Command to AC'97 */
379 	TWRITE4(sc, addr, (data << 16) | (index & 0x7f) | cmd);
380 
381 	return 0;
382 }
383 
384 static int
385 autri_reset_codec(void *sc_)
386 {
387 	struct autri_codec_softc *codec;
388 	struct autri_softc *sc;
389 	uint32_t reg, ready;
390 	int addr, count;
391 
392 	codec = sc_;
393 	sc = codec->sc;
394 	count = 200;
395 	DPRINTF(("autri_reset_codec(codec=%p,sc=%p)\n", codec, sc));
396 	DPRINTF(("sc->sc_devid=%X\n", sc->sc_devid));
397 
398 	switch (sc->sc_devid) {
399 	case AUTRI_DEVICE_ID_4DWAVE_DX:
400 		/* warm reset AC'97 codec */
401 		autri_reg_set_4(sc, AUTRI_DX_ACR2, 1);
402 		delay(100);
403 		/* release reset */
404 		autri_reg_clear_4(sc, AUTRI_DX_ACR2, 1);
405 		delay(100);
406 
407 		addr = AUTRI_DX_ACR2;
408 		ready = AUTRI_DX_ACR2_CODEC_READY;
409 		break;
410 	case AUTRI_DEVICE_ID_4DWAVE_NX:
411 		/* warm reset AC'97 codec */
412 		autri_reg_set_4(sc, AUTRI_NX_ACR0, 1);
413 		delay(100);
414 		/* release reset */
415 		autri_reg_clear_4(sc, AUTRI_NX_ACR0, 1);
416 		delay(100);
417 
418 		addr = AUTRI_NX_ACR0;
419 		ready = AUTRI_NX_ACR0_CODEC_READY;
420 		break;
421 	case AUTRI_DEVICE_ID_SIS_7018:
422 		/* cold reset AC'97 codec */
423 		autri_reg_set_4(sc, AUTRI_SIS_SCTRL, 2);
424 		delay(1000);
425 		/* release reset (warm & cold) */
426 		autri_reg_clear_4(sc, AUTRI_SIS_SCTRL, 3);
427 		delay(2000);
428 
429 		addr = AUTRI_SIS_SCTRL;
430 		ready = AUTRI_SIS_SCTRL_CODEC_READY;
431 		break;
432 	case AUTRI_DEVICE_ID_ALI_M5451:
433 		/* warm reset AC'97 codec */
434 		autri_reg_set_4(sc, AUTRI_ALI_SCTRL, 1);
435 		delay(100);
436 		/* release reset (warm & cold) */
437 		autri_reg_clear_4(sc, AUTRI_ALI_SCTRL, 3);
438 		delay(100);
439 
440 		addr = AUTRI_ALI_SCTRL;
441 		ready = AUTRI_ALI_SCTRL_CODEC_READY;
442 		break;
443 	default:
444 		printf("%s: autri_reset_codec : unknown device\n",
445 		       sc->sc_dev.dv_xname);
446 		return EOPNOTSUPP;
447 	}
448 
449 	/* wait for 'Codec Ready' */
450 	while (count--) {
451 		reg = TREAD4(sc, addr);
452 		if (reg & ready)
453 			break;
454 		delay(1000);
455 	}
456 
457 	if (count == 0) {
458 		printf("%s: Codec timeout. AC'97 is not ready for operation.\n",
459 		       sc->sc_dev.dv_xname);
460 		return ETIMEDOUT;
461 	}
462 	return 0;
463 }
464 
465 static enum ac97_host_flags
466 autri_flags_codec(void *sc)
467 {
468 	return AC97_HOST_DONT_READ;
469 }
470 
471 /*
472  *
473  */
474 
475 static int
476 autri_match(struct device *parent, struct cfdata *match,
477     void *aux)
478 {
479 	struct pci_attach_args *pa;
480 
481 	pa = (struct pci_attach_args *)aux;
482 	switch (PCI_VENDOR(pa->pa_id)) {
483 	case PCI_VENDOR_TRIDENT:
484 		switch (PCI_PRODUCT(pa->pa_id)) {
485 		case PCI_PRODUCT_TRIDENT_4DWAVE_DX:
486 			/*
487 			 * IBM makes a pcn network card and improperly
488 			 * sets the vendor and product ID's.  Avoid matching.
489 			 */
490 			if (PCI_CLASS(pa->pa_class) == PCI_CLASS_NETWORK)
491 				return 0;
492 		/* FALLTHROUGH */
493 		case PCI_PRODUCT_TRIDENT_4DWAVE_NX:
494 			return 1;
495 		}
496 		break;
497 	case PCI_VENDOR_SIS:
498 		switch (PCI_PRODUCT(pa->pa_id)) {
499 		case PCI_PRODUCT_SIS_7018:
500 			return 1;
501 		}
502 		break;
503 	case PCI_VENDOR_ALI:
504 		switch (PCI_PRODUCT(pa->pa_id)) {
505 		case PCI_PRODUCT_ALI_M5451:
506 			return 1;
507 		}
508 		break;
509 	}
510 
511 	return 0;
512 }
513 
514 static void
515 autri_attach(struct device *parent, struct device *self, void *aux)
516 {
517 	struct autri_softc *sc;
518 	struct pci_attach_args *pa;
519 	pci_chipset_tag_t pc;
520 	struct autri_codec_softc *codec;
521 	pci_intr_handle_t ih;
522 	char const *intrstr;
523 	char devinfo[256];
524 	int r;
525 	uint32_t reg;
526 
527 	sc = (struct autri_softc *)self;
528 	pa = (struct pci_attach_args *)aux;
529 	pc = pa->pa_pc;
530 	aprint_naive(": Audio controller\n");
531 
532 	sc->sc_devid = pa->pa_id;
533 	sc->sc_class = pa->pa_class;
534 
535 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
536 	sc->sc_revision = PCI_REVISION(pa->pa_class);
537 	aprint_normal(": %s (rev. 0x%02x)\n", devinfo, sc->sc_revision);
538 
539 	/* map register to memory */
540 	if (pci_mapreg_map(pa, AUTRI_PCI_MEMORY_BASE,
541 	    PCI_MAPREG_TYPE_MEM, 0, &sc->memt, &sc->memh, NULL, NULL)) {
542 		aprint_error("%s: can't map memory space\n",
543 		    sc->sc_dev.dv_xname);
544 		return;
545 	}
546 
547 	/* map and establish the interrupt */
548 	if (pci_intr_map(pa, &ih)) {
549 		aprint_error("%s: couldn't map interrupt\n",
550 		    sc->sc_dev.dv_xname);
551 		return;
552 	}
553 	intrstr = pci_intr_string(pc, ih);
554 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, autri_intr, sc);
555 	if (sc->sc_ih == NULL) {
556 		aprint_error("%s: couldn't establish interrupt",
557 		    sc->sc_dev.dv_xname);
558 		if (intrstr != NULL)
559 			aprint_normal(" at %s", intrstr);
560 		aprint_normal("\n");
561 		return;
562 	}
563 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
564 
565 	sc->sc_dmatag = pa->pa_dmat;
566 	sc->sc_pc = pc;
567 	sc->sc_pt = pa->pa_tag;
568 
569 	/* enable the device */
570 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
571 	reg |= (PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE);
572 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
573 
574 	/* initialize the device */
575 	autri_init(sc);
576 
577 	/* attach AC'97 codec */
578 	codec = &sc->sc_codec;
579 	memcpy(&codec->sc_dev, &sc->sc_dev, sizeof(codec->sc_dev));
580 	codec->sc = sc;
581 
582 	codec->host_if.arg = codec;
583 	codec->host_if.attach = autri_attach_codec;
584 	codec->host_if.reset = autri_reset_codec;
585 	codec->host_if.read = autri_read_codec;
586 	codec->host_if.write = autri_write_codec;
587 	codec->host_if.flags = autri_flags_codec;
588 
589 	if ((r = ac97_attach(&codec->host_if, self)) != 0) {
590 		aprint_error("%s: can't attach codec (error 0x%X)\n",
591 		    sc->sc_dev.dv_xname, r);
592 		return;
593 	}
594 
595 	if (!pmf_device_register(self, NULL, autri_resume))
596 		aprint_error_dev(self, "couldn't establish power handler\n");
597 
598 	audio_attach_mi(&autri_hw_if, sc, &sc->sc_dev);
599 
600 #if NMIDI > 0
601 	midi_attach_mi(&autri_midi_hw_if, sc, &sc->sc_dev);
602 #endif
603 }
604 
605 CFATTACH_DECL(autri, sizeof(struct autri_softc),
606     autri_match, autri_attach, NULL, NULL);
607 
608 static bool
609 autri_resume(device_t dv)
610 {
611 	struct autri_softc *sc = device_private(dv);
612 
613 	autri_init(sc);
614 	(sc->sc_codec.codec_if->vtbl->restore_ports)(sc->sc_codec.codec_if);
615 
616 	return true;
617 }
618 
619 static int
620 autri_init(void *sc_)
621 {
622 	struct autri_softc *sc;
623 	uint32_t reg;
624 	pci_chipset_tag_t pc;
625 	pcitag_t pt;
626 
627 	sc = sc_;
628 	pc = sc->sc_pc;
629 	pt = sc->sc_pt;
630 	DPRINTF(("in autri_init()\n"));
631 	DPRINTFN(5,("pci_conf_read(0x40) : 0x%X\n",pci_conf_read(pc,pt,0x40)));
632 	DPRINTFN(5,("pci_conf_read(0x44) : 0x%X\n",pci_conf_read(pc,pt,0x44)));
633 
634 	switch (sc->sc_devid) {
635 	case AUTRI_DEVICE_ID_4DWAVE_DX:
636 		/* disable Legacy Control */
637 		pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
638 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
639 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
640 		delay(100);
641 		/* audio engine reset */
642 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
643 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x00040000);
644 		delay(100);
645 		/* release reset */
646 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
647 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00040000);
648 		delay(100);
649 		/* DAC on */
650 		autri_reg_set_4(sc,AUTRI_DX_ACR2,0x02);
651 		break;
652 	case AUTRI_DEVICE_ID_4DWAVE_NX:
653 		/* disable Legacy Control */
654 		pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
655 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
656 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
657 		delay(100);
658 		/* audio engine reset */
659 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
660 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x00010000);
661 		delay(100);
662 		/* release reset */
663 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
664 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00010000);
665 		delay(100);
666 		/* DAC on */
667 		autri_reg_set_4(sc,AUTRI_NX_ACR0,0x02);
668 		break;
669 	case AUTRI_DEVICE_ID_SIS_7018:
670 		/* disable Legacy Control */
671 		pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
672 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
673 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
674 		delay(100);
675 		/* reset Digital Controller */
676 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
677 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x000c0000);
678 		delay(100);
679 		/* release reset */
680 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
681 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00040000);
682 		delay(100);
683 		/* disable AC97 GPIO interrupt */
684 		TWRITE1(sc, AUTRI_SIS_ACGPIO, 0);
685 		/* enable 64 channel mode */
686 		autri_reg_set_4(sc, AUTRI_LFO_GC_CIR, BANK_B_EN);
687 		break;
688 	case AUTRI_DEVICE_ID_ALI_M5451:
689 		/* disable Legacy Control */
690 		pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
691 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
692 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
693 		delay(100);
694 		/* reset Digital Controller */
695 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
696 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x000c0000);
697 		delay(100);
698 		/* release reset */
699 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
700 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00040000);
701 		delay(100);
702 		/* enable PCM input */
703 		autri_reg_set_4(sc, AUTRI_ALI_GCONTROL, AUTRI_ALI_GCONTROL_PCM_IN);
704 		break;
705 	}
706 
707 	if (sc->sc_devid == AUTRI_DEVICE_ID_ALI_M5451) {
708 		sc->sc_play.ch      = 0;
709 		sc->sc_play.ch_intr = 1;
710 		sc->sc_rec.ch       = 31;
711 		sc->sc_rec.ch_intr  = 2;
712 	} else {
713 		sc->sc_play.ch      = 0x20;
714 		sc->sc_play.ch_intr = 0x21;
715 		sc->sc_rec.ch       = 0x22;
716 		sc->sc_rec.ch_intr  = 0x23;
717 	}
718 
719 	/* clear channel status */
720 	TWRITE4(sc, AUTRI_STOP_A, 0xffffffff);
721 	TWRITE4(sc, AUTRI_STOP_B, 0xffffffff);
722 
723 	/* disable channel interrupt */
724 	TWRITE4(sc, AUTRI_AINTEN_A, 0);
725 	TWRITE4(sc, AUTRI_AINTEN_B, 0);
726 
727 #if 0
728 	/* TLB */
729 	if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX) {
730 		TWRITE4(sc,AUTRI_NX_TLBC,0);
731 	}
732 #endif
733 
734 	autri_enable_loop_interrupt(sc);
735 
736 	DPRINTF(("out autri_init()\n"));
737 	return 0;
738 }
739 
740 static void
741 autri_enable_loop_interrupt(void *sc_)
742 {
743 	struct autri_softc *sc;
744 	uint32_t reg;
745 
746 	/*reg = (ENDLP_IE | MIDLP_IE);*/
747 	reg = ENDLP_IE;
748 	sc = sc_;
749 	if (sc->sc_devid == AUTRI_DEVICE_ID_SIS_7018)
750 		reg |= BANK_B_EN;
751 
752 	autri_reg_set_4(sc, AUTRI_LFO_GC_CIR, reg);
753 }
754 
755 #if 0
756 static void
757 autri_disable_loop_interrupt(void *sc_)
758 {
759 	struct autri_softc *sc;
760 	uint32_t reg;
761 
762 	reg = (ENDLP_IE | MIDLP_IE);
763 	sc = sc_;
764 	autri_reg_clear_4(sc, AUTRI_LFO_GC_CIR, reg);
765 }
766 #endif
767 
768 static int
769 autri_intr(void *p)
770 {
771 	struct autri_softc *sc;
772 	uint32_t intsrc;
773 	uint32_t mask, active[2];
774 	int ch, endch;
775 /*
776 	u_int32_t reg;
777 	u_int32_t cso,eso;
778 */
779 	sc = p;
780 	intsrc = TREAD4(sc, AUTRI_MISCINT);
781 	if ((intsrc & (ADDRESS_IRQ | MPU401_IRQ)) == 0)
782 		return 0;
783 
784 	if (intsrc & ADDRESS_IRQ) {
785 
786 		active[0] = TREAD4(sc,AUTRI_AIN_A);
787 		active[1] = TREAD4(sc,AUTRI_AIN_B);
788 
789 		if (sc->sc_devid == AUTRI_DEVICE_ID_ALI_M5451) {
790 			endch = 32;
791 		} else {
792 			endch = 64;
793 		}
794 
795 		for (ch = 0; ch < endch; ch++) {
796 			mask = 1 << (ch & 0x1f);
797 			if (active[(ch & 0x20) ? 1 : 0] & mask) {
798 
799 				/* clear interrupt */
800 				TWRITE4(sc, (ch & 0x20) ? AUTRI_AIN_B : AUTRI_AIN_A, mask);
801 				/* disable interrupt */
802 				autri_reg_clear_4(sc,(ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A, mask);
803 #if 0
804 				reg = TREAD4(sc,AUTRI_LFO_GC_CIR) & ~0x0000003f;
805 				TWRITE4(sc,AUTRI_LFO_GC_CIR, reg | ch);
806 
807 				if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX) {
808 					cso = TREAD4(sc, 0xe0) & 0x00ffffff;
809 					eso = TREAD4(sc, 0xe8) & 0x00ffffff;
810 				} else {
811 					cso = (TREAD4(sc, 0xe0) >> 16) & 0x0000ffff;
812 					eso = (TREAD4(sc, 0xe8) >> 16) & 0x0000ffff;
813 				}
814 				/*printf("cso=%d, eso=%d\n",cso,eso);*/
815 #endif
816 				if (ch == sc->sc_play.ch_intr) {
817 					if (sc->sc_play.intr)
818 						sc->sc_play.intr(sc->sc_play.intr_arg);
819 				}
820 
821 				if (ch == sc->sc_rec.ch_intr) {
822 					if (sc->sc_rec.intr)
823 						sc->sc_rec.intr(sc->sc_rec.intr_arg);
824 				}
825 
826 				/* enable interrupt */
827 				autri_reg_set_4(sc, (ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A, mask);
828 			}
829 		}
830 	}
831 
832 	if (intsrc & MPU401_IRQ) {
833 		/* XXX */
834 	}
835 
836 	autri_reg_set_4(sc,AUTRI_MISCINT,
837 		ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW);
838 
839 	return 1;
840 }
841 
842 /*
843  *
844  */
845 
846 static int
847 autri_allocmem(struct autri_softc *sc, size_t size, size_t align,
848 	       struct autri_dma *p)
849 {
850 	int error;
851 
852 	p->size = size;
853 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
854 	    p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
855 	    &p->nsegs, BUS_DMA_NOWAIT);
856 	if (error)
857 		return error;
858 
859 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
860 	    &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
861 	if (error)
862 		goto free;
863 
864 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
865 	    0, BUS_DMA_NOWAIT, &p->map);
866 	if (error)
867 		goto unmap;
868 
869 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
870 	    BUS_DMA_NOWAIT);
871 	if (error)
872 		goto destroy;
873 	return (0);
874 
875 destroy:
876 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
877 unmap:
878 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
879 free:
880 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
881 	return error;
882 }
883 
884 static int
885 autri_freemem(struct autri_softc *sc, struct autri_dma *p)
886 {
887 
888 	bus_dmamap_unload(sc->sc_dmatag, p->map);
889 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
890 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
891 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
892 	return 0;
893 }
894 
895 static int
896 autri_open(void *addr, int flags)
897 {
898 	DPRINTF(("autri_open()\n"));
899 	DPRINTFN(5,("MISCINT    : 0x%08X\n",
900 		    TREAD4((struct autri_softc *)addr, AUTRI_MISCINT)));
901 	DPRINTFN(5,("LFO_GC_CIR : 0x%08X\n",
902 		    TREAD4((struct autri_softc *)addr, AUTRI_LFO_GC_CIR)));
903 	return 0;
904 }
905 
906 static int
907 autri_query_encoding(void *addr, struct audio_encoding *fp)
908 {
909 
910 	switch (fp->index) {
911 	case 0:
912 		strcpy(fp->name, AudioEulinear);
913 		fp->encoding = AUDIO_ENCODING_ULINEAR;
914 		fp->precision = 8;
915 		fp->flags = 0;
916 		break;
917 	case 1:
918 		strcpy(fp->name, AudioEmulaw);
919 		fp->encoding = AUDIO_ENCODING_ULAW;
920 		fp->precision = 8;
921 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
922 		break;
923 	case 2:
924 		strcpy(fp->name, AudioEalaw);
925 		fp->encoding = AUDIO_ENCODING_ALAW;
926 		fp->precision = 8;
927 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
928 		break;
929 	case 3:
930 		strcpy(fp->name, AudioEslinear);
931 		fp->encoding = AUDIO_ENCODING_SLINEAR;
932 		fp->precision = 8;
933 		fp->flags = 0;
934 		break;
935 	case 4:
936 		strcpy(fp->name, AudioEslinear_le);
937 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
938 		fp->precision = 16;
939 		fp->flags = 0;
940 		break;
941 	case 5:
942 		strcpy(fp->name, AudioEulinear_le);
943 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
944 		fp->precision = 16;
945 		fp->flags = 0;
946 		break;
947 	case 6:
948 		strcpy(fp->name, AudioEslinear_be);
949 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
950 		fp->precision = 16;
951 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
952 		break;
953 	case 7:
954 		strcpy(fp->name, AudioEulinear_be);
955 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
956 		fp->precision = 16;
957 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
958 		break;
959 	default:
960 		return EINVAL;
961 	}
962 
963 	return 0;
964 }
965 
966 static int
967 autri_set_params(void *addr, int setmode, int usemode,
968     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
969     stream_filter_list_t *rfil)
970 {
971 	if (setmode & AUMODE_RECORD) {
972 		if (auconv_set_converter(autri_formats, AUTRI_NFORMATS,
973 					 AUMODE_RECORD, rec, FALSE, rfil) < 0)
974 			return EINVAL;
975 	}
976 	if (setmode & AUMODE_PLAY) {
977 		if (auconv_set_converter(autri_formats, AUTRI_NFORMATS,
978 					 AUMODE_PLAY, play, FALSE, pfil) < 0)
979 			return EINVAL;
980 	}
981 	return 0;
982 }
983 
984 static int
985 autri_round_blocksize(void *addr, int block,
986     int mode, const audio_params_t *param)
987 {
988 	return block & -4;
989 }
990 
991 static int
992 autri_halt_output(void *addr)
993 {
994 	struct autri_softc *sc;
995 
996 	DPRINTF(("autri_halt_output()\n"));
997 	sc = addr;
998 	sc->sc_play.intr = NULL;
999 	autri_stopch(sc, sc->sc_play.ch, sc->sc_play.ch_intr);
1000 	autri_disable_interrupt(sc, sc->sc_play.ch_intr);
1001 
1002 	return 0;
1003 }
1004 
1005 static int
1006 autri_halt_input(void *addr)
1007 {
1008 	struct autri_softc *sc;
1009 
1010 	DPRINTF(("autri_halt_input()\n"));
1011 	sc = addr;
1012 	sc->sc_rec.intr = NULL;
1013 	autri_stopch(sc, sc->sc_rec.ch, sc->sc_rec.ch_intr);
1014 	autri_disable_interrupt(sc, sc->sc_rec.ch_intr);
1015 
1016 	return 0;
1017 }
1018 
1019 static int
1020 autri_getdev(void *addr, struct audio_device *retp)
1021 {
1022 	struct autri_softc *sc;
1023 
1024 	DPRINTF(("autri_getdev().\n"));
1025 	sc = addr;
1026 	strncpy(retp->name, "Trident 4DWAVE", sizeof(retp->name));
1027 	snprintf(retp->version, sizeof(retp->version), "0x%02x",
1028 	     PCI_REVISION(sc->sc_class));
1029 
1030 	switch (sc->sc_devid) {
1031 	case AUTRI_DEVICE_ID_4DWAVE_DX:
1032 		strncpy(retp->config, "4DWAVE-DX", sizeof(retp->config));
1033 		break;
1034 	case AUTRI_DEVICE_ID_4DWAVE_NX:
1035 		strncpy(retp->config, "4DWAVE-NX", sizeof(retp->config));
1036 		break;
1037 	case AUTRI_DEVICE_ID_SIS_7018:
1038 		strncpy(retp->config, "SiS 7018", sizeof(retp->config));
1039 		break;
1040 	case AUTRI_DEVICE_ID_ALI_M5451:
1041 		strncpy(retp->config, "ALi M5451", sizeof(retp->config));
1042 		break;
1043 	default:
1044 		strncpy(retp->config, "unknown", sizeof(retp->config));
1045 	}
1046 
1047 	return 0;
1048 }
1049 
1050 static int
1051 autri_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1052 {
1053 	struct autri_softc *sc;
1054 
1055 	sc = addr;
1056 	return sc->sc_codec.codec_if->vtbl->mixer_set_port(
1057 	    sc->sc_codec.codec_if, cp);
1058 }
1059 
1060 static int
1061 autri_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1062 {
1063 	struct autri_softc *sc;
1064 
1065 	sc = addr;
1066 	return sc->sc_codec.codec_if->vtbl->mixer_get_port(
1067 	    sc->sc_codec.codec_if, cp);
1068 }
1069 
1070 static int
1071 autri_query_devinfo(void *addr, mixer_devinfo_t *dip)
1072 {
1073 	struct autri_softc *sc;
1074 
1075 	sc = addr;
1076 	return sc->sc_codec.codec_if->vtbl->query_devinfo(
1077 	    sc->sc_codec.codec_if, dip);
1078 }
1079 
1080 static void *
1081 autri_malloc(void *addr, int direction, size_t size,
1082     struct malloc_type *pool, int flags)
1083 {
1084 	struct autri_softc *sc;
1085 	struct autri_dma *p;
1086 	int error;
1087 
1088 	p = malloc(sizeof(*p), pool, flags);
1089 	if (!p)
1090 		return NULL;
1091 	sc = addr;
1092 #if 0
1093 	error = autri_allocmem(sc, size, 16, p);
1094 #endif
1095 	error = autri_allocmem(sc, size, 0x10000, p);
1096 	if (error) {
1097 		free(p, pool);
1098 		return NULL;
1099 	}
1100 
1101 	p->next = sc->sc_dmas;
1102 	sc->sc_dmas = p;
1103 	return KERNADDR(p);
1104 }
1105 
1106 static void
1107 autri_free(void *addr, void *ptr, struct malloc_type *pool)
1108 {
1109 	struct autri_softc *sc;
1110 	struct autri_dma **pp, *p;
1111 
1112 	sc = addr;
1113 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1114 		if (KERNADDR(p) == ptr) {
1115 			autri_freemem(sc, p);
1116 			*pp = p->next;
1117 			free(p, pool);
1118 			return;
1119 		}
1120 	}
1121 }
1122 
1123 static struct autri_dma *
1124 autri_find_dma(struct autri_softc *sc, void *addr)
1125 {
1126 	struct autri_dma *p;
1127 
1128 	for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
1129 		continue;
1130 
1131 	return p;
1132 }
1133 
1134 static size_t
1135 autri_round_buffersize(void *addr, int direction, size_t size)
1136 {
1137 
1138 	return size;
1139 }
1140 
1141 static paddr_t
1142 autri_mappage(void *addr, void *mem, off_t off, int prot)
1143 {
1144 	struct autri_softc *sc;
1145 	struct autri_dma *p;
1146 
1147 	if (off < 0)
1148 		return -1;
1149 	sc = addr;
1150 	p = autri_find_dma(sc, mem);
1151 	if (!p)
1152 		return -1;
1153 
1154 	return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1155 	    off, prot, BUS_DMA_WAITOK);
1156 }
1157 
1158 static int
1159 autri_get_props(void *addr)
1160 {
1161 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1162 	    AUDIO_PROP_FULLDUPLEX;
1163 }
1164 
1165 static void
1166 autri_setup_channel(struct autri_softc *sc, int mode,
1167 		    const audio_params_t *param)
1168 {
1169 	int i, ch, channel;
1170 	uint32_t reg, cr[5];
1171 	uint32_t cso, eso;
1172 	uint32_t delta, dch[2], ctrl;
1173 	uint32_t alpha_fms, fm_vol, attribute;
1174 
1175 	uint32_t dmaaddr, dmalen;
1176 	int factor, rvol, cvol;
1177 	struct autri_chstatus *chst;
1178 
1179 	ctrl = AUTRI_CTRL_LOOPMODE;
1180 	switch (param->encoding) {
1181 	case AUDIO_ENCODING_SLINEAR_BE:
1182 	case AUDIO_ENCODING_SLINEAR_LE:
1183 		ctrl |= AUTRI_CTRL_SIGNED;
1184 		break;
1185 	}
1186 
1187 	factor = 0;
1188 	if (param->precision == 16) {
1189 		ctrl |= AUTRI_CTRL_16BIT;
1190 		factor++;
1191 	}
1192 
1193 	if (param->channels == 2) {
1194 		ctrl |= AUTRI_CTRL_STEREO;
1195 		factor++;
1196 	}
1197 
1198 	delta = param->sample_rate;
1199 	if (delta < 4000)
1200 		delta = 4000;
1201 	if (delta > 48000)
1202 		delta = 48000;
1203 
1204 	attribute = 0;
1205 
1206 	dch[1] = ((delta << 12) / 48000) & 0x0000ffff;
1207 	if (mode == AUMODE_PLAY) {
1208 		chst = &sc->sc_play;
1209 		dch[0] = ((delta << 12) / 48000) & 0x0000ffff;
1210 		ctrl |= AUTRI_CTRL_WAVEVOL;
1211 	} else {
1212 		chst = &sc->sc_rec;
1213 		dch[0] = ((48000 << 12) / delta) & 0x0000ffff;
1214 		if (sc->sc_devid == AUTRI_DEVICE_ID_SIS_7018) {
1215 			ctrl |= AUTRI_CTRL_MUTEVOL_SIS;
1216 			attribute = AUTRI_ATTR_PCMREC_SIS;
1217 			if (delta != 48000)
1218 				attribute |= AUTRI_ATTR_ENASRC_SIS;
1219 		} else
1220 			ctrl |= AUTRI_CTRL_MUTEVOL;
1221 	}
1222 
1223 	dmaaddr = DMAADDR(chst->dma);
1224 	cso = alpha_fms = 0;
1225 	rvol = cvol = 0x7f;
1226 	fm_vol = 0x0 | ((rvol & 0x7f) << 7) | (cvol & 0x7f);
1227 
1228 	for (ch = 0; ch < 2; ch++) {
1229 
1230 		if (ch == 0)
1231 			dmalen = (chst->length >> factor);
1232 		else {
1233 			/* channel for interrupt */
1234 			dmalen = (chst->blksize >> factor);
1235 			if (sc->sc_devid == AUTRI_DEVICE_ID_SIS_7018)
1236 				ctrl |= AUTRI_CTRL_MUTEVOL_SIS;
1237 			else
1238 				ctrl |= AUTRI_CTRL_MUTEVOL;
1239 			attribute = 0;
1240 			cso = dmalen - 1;
1241 		}
1242 
1243 		eso = dmalen - 1;
1244 
1245 		switch (sc->sc_devid) {
1246 		case AUTRI_DEVICE_ID_4DWAVE_DX:
1247 			cr[0] = (cso << 16) | (alpha_fms & 0x0000ffff);
1248 			cr[1] = dmaaddr;
1249 			cr[2] = (eso << 16) | (dch[ch] & 0x0000ffff);
1250 			cr[3] = fm_vol;
1251 			cr[4] = ctrl;
1252 			break;
1253 		case AUTRI_DEVICE_ID_4DWAVE_NX:
1254 			cr[0] = (dch[ch] << 24) | (cso & 0x00ffffff);
1255 			cr[1] = dmaaddr;
1256 			cr[2] = ((dch[ch] << 16) & 0xff000000) | (eso & 0x00ffffff);
1257 			cr[3] = (alpha_fms << 16) | (fm_vol & 0x0000ffff);
1258 			cr[4] = ctrl;
1259 			break;
1260 		case AUTRI_DEVICE_ID_SIS_7018:
1261 			cr[0] = (cso << 16) | (alpha_fms & 0x0000ffff);
1262 			cr[1] = dmaaddr;
1263 			cr[2] = (eso << 16) | (dch[ch] & 0x0000ffff);
1264 			cr[3] = attribute;
1265 			cr[4] = ctrl;
1266 			break;
1267 		case AUTRI_DEVICE_ID_ALI_M5451:
1268 			cr[0] = (cso << 16) | (alpha_fms & 0x0000ffff);
1269 			cr[1] = dmaaddr;
1270 			cr[2] = (eso << 16) | (dch[ch] & 0x0000ffff);
1271 			cr[3] = 0;
1272 			cr[4] = ctrl;
1273 			break;
1274 		}
1275 
1276 		/* write channel data */
1277 		channel = (ch == 0) ? chst->ch : chst->ch_intr;
1278 
1279 		reg = TREAD4(sc,AUTRI_LFO_GC_CIR) & ~0x0000003f;
1280 		TWRITE4(sc,AUTRI_LFO_GC_CIR, reg | channel);
1281 
1282 		for (i = 0; i < 5; i++) {
1283 			TWRITE4(sc, AUTRI_ARAM_CR + i*sizeof(cr[0]), cr[i]);
1284 			DPRINTFN(5,("cr[%d] : 0x%08X\n", i, cr[i]));
1285 		}
1286 
1287 		/* Bank A only */
1288 		if (channel < 0x20) {
1289 			TWRITE4(sc, AUTRI_EBUF1, AUTRI_EMOD_STILL);
1290 			TWRITE4(sc, AUTRI_EBUF2, AUTRI_EMOD_STILL);
1291 		}
1292 	}
1293 
1294 }
1295 
1296 static int
1297 autri_trigger_output(void *addr, void *start, void *end, int blksize,
1298 		     void (*intr)(void *), void *arg,
1299 		     const audio_params_t *param)
1300 {
1301 	struct autri_softc *sc;
1302 	struct autri_dma *p;
1303 
1304 	DPRINTFN(5,("autri_trigger_output: sc=%p start=%p end=%p "
1305 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1306 	sc = addr;
1307 	sc->sc_play.intr = intr;
1308 	sc->sc_play.intr_arg = arg;
1309 	sc->sc_play.offset = 0;
1310 	sc->sc_play.blksize = blksize;
1311 	sc->sc_play.length = (char *)end - (char *)start;
1312 
1313 	p = autri_find_dma(sc, start);
1314 	if (!p) {
1315 		printf("autri_trigger_output: bad addr %p\n", start);
1316 		return (EINVAL);
1317 	}
1318 
1319 	sc->sc_play.dma = p;
1320 
1321 	/* */
1322 	autri_setup_channel(sc, AUMODE_PLAY, param);
1323 
1324 	/* volume set to no attenuation */
1325 	TWRITE4(sc, AUTRI_MUSICVOL_WAVEVOL, 0);
1326 
1327 	/* enable interrupt */
1328 	autri_enable_interrupt(sc, sc->sc_play.ch_intr);
1329 
1330 	/* start channel */
1331 	autri_startch(sc, sc->sc_play.ch, sc->sc_play.ch_intr);
1332 
1333 	return 0;
1334 }
1335 
1336 static int
1337 autri_trigger_input(void *addr, void *start, void *end, int blksize,
1338 		    void (*intr)(void *), void *arg,
1339 		    const audio_params_t *param)
1340 {
1341 	struct autri_softc *sc;
1342 	struct autri_dma *p;
1343 
1344 	DPRINTFN(5,("autri_trigger_input: sc=%p start=%p end=%p "
1345 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1346 	sc = addr;
1347 	sc->sc_rec.intr = intr;
1348 	sc->sc_rec.intr_arg = arg;
1349 	sc->sc_rec.offset = 0;
1350 	sc->sc_rec.blksize = blksize;
1351 	sc->sc_rec.length = (char *)end - (char *)start;
1352 
1353 	/* */
1354 	p = autri_find_dma(sc, start);
1355 	if (!p) {
1356 		printf("autri_trigger_input: bad addr %p\n", start);
1357 		return (EINVAL);
1358 	}
1359 
1360 	sc->sc_rec.dma = p;
1361 
1362 	/* */
1363 	if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX) {
1364 		autri_reg_set_4(sc, AUTRI_NX_ACR0, AUTRI_NX_ACR0_PSB_CAPTURE);
1365 		TWRITE1(sc, AUTRI_NX_RCI3, AUTRI_NX_RCI3_ENABLE | sc->sc_rec.ch);
1366 	}
1367 
1368 #if 0
1369 	/* 4DWAVE only allows capturing at a 48 kHz rate */
1370 	if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_DX ||
1371 	    sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX)
1372 		param->sample_rate = 48000;
1373 #endif
1374 
1375 	autri_setup_channel(sc, AUMODE_RECORD, param);
1376 
1377 	/* enable interrupt */
1378 	autri_enable_interrupt(sc, sc->sc_rec.ch_intr);
1379 
1380 	/* start channel */
1381 	autri_startch(sc, sc->sc_rec.ch, sc->sc_rec.ch_intr);
1382 
1383 	return 0;
1384 }
1385 
1386 #if 0
1387 static int
1388 autri_halt(struct autri_softc *sc)
1389 {
1390 
1391 	DPRINTF(("autri_halt().\n"));
1392 	/*autri_stopch(sc);*/
1393 	autri_disable_interrupt(sc, sc->sc_play.channel);
1394 	autri_disable_interrupt(sc, sc->sc_rec.channel);
1395 	return 0;
1396 }
1397 #endif
1398 
1399 static void
1400 autri_enable_interrupt(struct autri_softc *sc, int ch)
1401 {
1402 	int reg;
1403 
1404 	reg = (ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A;
1405 	ch &= 0x1f;
1406 
1407 	autri_reg_set_4(sc, reg, 1 << ch);
1408 }
1409 
1410 static void
1411 autri_disable_interrupt(struct autri_softc *sc, int ch)
1412 {
1413 	int reg;
1414 
1415 	reg = (ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A;
1416 	ch &= 0x1f;
1417 
1418 	autri_reg_clear_4(sc, reg, 1 << ch);
1419 }
1420 
1421 static void
1422 autri_startch(struct autri_softc *sc, int ch, int ch_intr)
1423 {
1424 	int reg;
1425 	uint32_t chmask;
1426 
1427 	reg = (ch & 0x20) ? AUTRI_START_B : AUTRI_START_A;
1428 	ch &= 0x1f;
1429 	ch_intr &= 0x1f;
1430 	chmask = (1 << ch) | (1 << ch_intr);
1431 
1432 	autri_reg_set_4(sc, reg, chmask);
1433 }
1434 
1435 static void
1436 autri_stopch(struct autri_softc *sc, int ch, int ch_intr)
1437 {
1438 	int reg;
1439 	uint32_t chmask;
1440 
1441 	reg = (ch & 0x20) ? AUTRI_STOP_B : AUTRI_STOP_A;
1442 	ch &= 0x1f;
1443 	ch_intr &= 0x1f;
1444 	chmask = (1 << ch) | (1 << ch_intr);
1445 
1446 	autri_reg_set_4(sc, reg, chmask);
1447 }
1448 
1449 #if NMIDI > 0
1450 static int
1451 autri_midi_open(void *addr, int flags, void (*iintr)(void *, int),
1452 		void (*ointr)(void *), void *arg)
1453 {
1454 	struct autri_softc *sc;
1455 
1456 	DPRINTF(("autri_midi_open()\n"));
1457 	sc = addr;
1458 	DPRINTFN(5,("MPUR1 : 0x%02X\n", TREAD1(sc, AUTRI_MPUR1)));
1459 	DPRINTFN(5,("MPUR2 : 0x%02X\n", TREAD1(sc, AUTRI_MPUR2)));
1460 
1461 	sc->sc_iintr = iintr;
1462 	sc->sc_ointr = ointr;
1463 	sc->sc_arg = arg;
1464 
1465 	if (flags & FREAD)
1466 		autri_reg_clear_1(sc, AUTRI_MPUR2, AUTRI_MIDIIN_ENABLE_INTR);
1467 
1468 	if (flags & FWRITE)
1469 		autri_reg_set_1(sc, AUTRI_MPUR2, AUTRI_MIDIOUT_CONNECT);
1470 
1471 	return 0;
1472 }
1473 
1474 static void
1475 autri_midi_close(void *addr)
1476 {
1477 	struct autri_softc *sc;
1478 
1479 	DPRINTF(("autri_midi_close()\n"));
1480 	sc = addr;
1481 	tsleep(sc, PWAIT, "autri", hz/10); /* give uart a chance to drain */
1482 
1483 	sc->sc_iintr = NULL;
1484 	sc->sc_ointr = NULL;
1485 }
1486 
1487 static int
1488 autri_midi_output(void *addr, int d)
1489 {
1490 	struct autri_softc *sc;
1491 	int x;
1492 
1493 	sc = addr;
1494 	for (x = 0; x != MIDI_BUSY_WAIT; x++) {
1495 		if ((TREAD1(sc, AUTRI_MPUR1) & AUTRI_MIDIOUT_READY) == 0) {
1496 			TWRITE1(sc, AUTRI_MPUR0, d);
1497 			return 0;
1498 		}
1499 		delay(MIDI_BUSY_DELAY);
1500 	}
1501 	return EIO;
1502 }
1503 
1504 static void
1505 autri_midi_getinfo(void *addr, struct midi_info *mi)
1506 {
1507 
1508 	mi->name = "4DWAVE MIDI UART";
1509 	mi->props = MIDI_PROP_CAN_INPUT;
1510 }
1511 
1512 #endif
1513