xref: /netbsd-src/sys/dev/pci/autri.c (revision b5677b36047b601b9addaaa494a58ceae82c2a6c)
1 /*	$NetBSD: autri.c,v 1.40 2008/07/03 12:26:41 gson 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 1.40 2008/07/03 12:26:41 gson 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 PMF_FN_PROTO);
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 		       device_xname(&sc->sc_dev));
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 		       device_xname(&sc->sc_dev));
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 		       device_xname(&sc->sc_dev));
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 		       device_xname(&sc->sc_dev));
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 		       device_xname(&sc->sc_dev));
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 		       device_xname(&sc->sc_dev));
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 		       device_xname(&sc->sc_dev));
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_dev(&sc->sc_dev, "can't map memory space\n");
543 		return;
544 	}
545 
546 	/* map and establish the interrupt */
547 	if (pci_intr_map(pa, &ih)) {
548 		aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n");
549 		return;
550 	}
551 	intrstr = pci_intr_string(pc, ih);
552 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, autri_intr, sc);
553 	if (sc->sc_ih == NULL) {
554 		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
555 		if (intrstr != NULL)
556 			aprint_normal(" at %s", intrstr);
557 		aprint_normal("\n");
558 		return;
559 	}
560 	aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr);
561 
562 	sc->sc_dmatag = pa->pa_dmat;
563 	sc->sc_pc = pc;
564 	sc->sc_pt = pa->pa_tag;
565 
566 	/* enable the device */
567 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
568 	reg |= (PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE);
569 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
570 
571 	/* initialize the device */
572 	autri_init(sc);
573 
574 	/* attach AC'97 codec */
575 	codec = &sc->sc_codec;
576 	memcpy(&codec->sc_dev, &sc->sc_dev, sizeof(codec->sc_dev));
577 	codec->sc = sc;
578 
579 	codec->host_if.arg = codec;
580 	codec->host_if.attach = autri_attach_codec;
581 	codec->host_if.reset = autri_reset_codec;
582 	codec->host_if.read = autri_read_codec;
583 	codec->host_if.write = autri_write_codec;
584 	codec->host_if.flags = autri_flags_codec;
585 
586 	if ((r = ac97_attach(&codec->host_if, self)) != 0) {
587 		aprint_error_dev(&sc->sc_dev, "can't attach codec (error 0x%X)\n", r);
588 		return;
589 	}
590 
591 	if (!pmf_device_register(self, NULL, autri_resume))
592 		aprint_error_dev(self, "couldn't establish power handler\n");
593 
594 	audio_attach_mi(&autri_hw_if, sc, &sc->sc_dev);
595 
596 #if NMIDI > 0
597 	midi_attach_mi(&autri_midi_hw_if, sc, &sc->sc_dev);
598 #endif
599 }
600 
601 CFATTACH_DECL(autri, sizeof(struct autri_softc),
602     autri_match, autri_attach, NULL, NULL);
603 
604 static bool
605 autri_resume(device_t dv PMF_FN_ARGS)
606 {
607 	struct autri_softc *sc = device_private(dv);
608 
609 	autri_init(sc);
610 	(sc->sc_codec.codec_if->vtbl->restore_ports)(sc->sc_codec.codec_if);
611 
612 	return true;
613 }
614 
615 static int
616 autri_init(void *sc_)
617 {
618 	struct autri_softc *sc;
619 	uint32_t reg;
620 	pci_chipset_tag_t pc;
621 	pcitag_t pt;
622 
623 	sc = sc_;
624 	pc = sc->sc_pc;
625 	pt = sc->sc_pt;
626 	DPRINTF(("in autri_init()\n"));
627 	DPRINTFN(5,("pci_conf_read(0x40) : 0x%X\n",pci_conf_read(pc,pt,0x40)));
628 	DPRINTFN(5,("pci_conf_read(0x44) : 0x%X\n",pci_conf_read(pc,pt,0x44)));
629 
630 	switch (sc->sc_devid) {
631 	case AUTRI_DEVICE_ID_4DWAVE_DX:
632 		/* disable Legacy Control */
633 		pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
634 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
635 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
636 		delay(100);
637 		/* audio engine reset */
638 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
639 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x00040000);
640 		delay(100);
641 		/* release 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 		/* DAC on */
646 		autri_reg_set_4(sc,AUTRI_DX_ACR2,0x02);
647 		break;
648 	case AUTRI_DEVICE_ID_4DWAVE_NX:
649 		/* disable Legacy Control */
650 		pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
651 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
652 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
653 		delay(100);
654 		/* audio engine reset */
655 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
656 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x00010000);
657 		delay(100);
658 		/* release 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 		/* DAC on */
663 		autri_reg_set_4(sc,AUTRI_NX_ACR0,0x02);
664 		break;
665 	case AUTRI_DEVICE_ID_SIS_7018:
666 		/* disable Legacy Control */
667 		pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
668 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
669 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
670 		delay(100);
671 		/* reset Digital Controller */
672 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
673 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x000c0000);
674 		delay(100);
675 		/* release reset */
676 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
677 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00040000);
678 		delay(100);
679 		/* disable AC97 GPIO interrupt */
680 		TWRITE1(sc, AUTRI_SIS_ACGPIO, 0);
681 		/* enable 64 channel mode */
682 		autri_reg_set_4(sc, AUTRI_LFO_GC_CIR, BANK_B_EN);
683 		break;
684 	case AUTRI_DEVICE_ID_ALI_M5451:
685 		/* disable Legacy Control */
686 		pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
687 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
688 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
689 		delay(100);
690 		/* reset Digital Controller */
691 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
692 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x000c0000);
693 		delay(100);
694 		/* release reset */
695 		reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
696 		pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00040000);
697 		delay(100);
698 		/* enable PCM input */
699 		autri_reg_set_4(sc, AUTRI_ALI_GCONTROL, AUTRI_ALI_GCONTROL_PCM_IN);
700 		break;
701 	}
702 
703 	if (sc->sc_devid == AUTRI_DEVICE_ID_ALI_M5451) {
704 		sc->sc_play.ch      = 0;
705 		sc->sc_play.ch_intr = 1;
706 		sc->sc_rec.ch       = 31;
707 		sc->sc_rec.ch_intr  = 2;
708 	} else {
709 		sc->sc_play.ch      = 0x20;
710 		sc->sc_play.ch_intr = 0x21;
711 		sc->sc_rec.ch       = 0x22;
712 		sc->sc_rec.ch_intr  = 0x23;
713 	}
714 
715 	/* clear channel status */
716 	TWRITE4(sc, AUTRI_STOP_A, 0xffffffff);
717 	TWRITE4(sc, AUTRI_STOP_B, 0xffffffff);
718 
719 	/* disable channel interrupt */
720 	TWRITE4(sc, AUTRI_AINTEN_A, 0);
721 	TWRITE4(sc, AUTRI_AINTEN_B, 0);
722 
723 #if 0
724 	/* TLB */
725 	if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX) {
726 		TWRITE4(sc,AUTRI_NX_TLBC,0);
727 	}
728 #endif
729 
730 	autri_enable_loop_interrupt(sc);
731 
732 	DPRINTF(("out autri_init()\n"));
733 	return 0;
734 }
735 
736 static void
737 autri_enable_loop_interrupt(void *sc_)
738 {
739 	struct autri_softc *sc;
740 	uint32_t reg;
741 
742 	/*reg = (ENDLP_IE | MIDLP_IE);*/
743 	reg = ENDLP_IE;
744 	sc = sc_;
745 	if (sc->sc_devid == AUTRI_DEVICE_ID_SIS_7018)
746 		reg |= BANK_B_EN;
747 
748 	autri_reg_set_4(sc, AUTRI_LFO_GC_CIR, reg);
749 }
750 
751 #if 0
752 static void
753 autri_disable_loop_interrupt(void *sc_)
754 {
755 	struct autri_softc *sc;
756 	uint32_t reg;
757 
758 	reg = (ENDLP_IE | MIDLP_IE);
759 	sc = sc_;
760 	autri_reg_clear_4(sc, AUTRI_LFO_GC_CIR, reg);
761 }
762 #endif
763 
764 static int
765 autri_intr(void *p)
766 {
767 	struct autri_softc *sc;
768 	uint32_t intsrc;
769 	uint32_t mask, active[2];
770 	int ch, endch;
771 /*
772 	u_int32_t reg;
773 	u_int32_t cso,eso;
774 */
775 	sc = p;
776 	intsrc = TREAD4(sc, AUTRI_MISCINT);
777 	if ((intsrc & (ADDRESS_IRQ | MPU401_IRQ)) == 0)
778 		return 0;
779 
780 	if (intsrc & ADDRESS_IRQ) {
781 
782 		active[0] = TREAD4(sc,AUTRI_AIN_A);
783 		active[1] = TREAD4(sc,AUTRI_AIN_B);
784 
785 		if (sc->sc_devid == AUTRI_DEVICE_ID_ALI_M5451) {
786 			endch = 32;
787 		} else {
788 			endch = 64;
789 		}
790 
791 		for (ch = 0; ch < endch; ch++) {
792 			mask = 1 << (ch & 0x1f);
793 			if (active[(ch & 0x20) ? 1 : 0] & mask) {
794 
795 				/* clear interrupt */
796 				TWRITE4(sc, (ch & 0x20) ? AUTRI_AIN_B : AUTRI_AIN_A, mask);
797 				/* disable interrupt */
798 				autri_reg_clear_4(sc,(ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A, mask);
799 #if 0
800 				reg = TREAD4(sc,AUTRI_LFO_GC_CIR) & ~0x0000003f;
801 				TWRITE4(sc,AUTRI_LFO_GC_CIR, reg | ch);
802 
803 				if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX) {
804 					cso = TREAD4(sc, 0xe0) & 0x00ffffff;
805 					eso = TREAD4(sc, 0xe8) & 0x00ffffff;
806 				} else {
807 					cso = (TREAD4(sc, 0xe0) >> 16) & 0x0000ffff;
808 					eso = (TREAD4(sc, 0xe8) >> 16) & 0x0000ffff;
809 				}
810 				/*printf("cso=%d, eso=%d\n",cso,eso);*/
811 #endif
812 				if (ch == sc->sc_play.ch_intr) {
813 					if (sc->sc_play.intr)
814 						sc->sc_play.intr(sc->sc_play.intr_arg);
815 				}
816 
817 				if (ch == sc->sc_rec.ch_intr) {
818 					if (sc->sc_rec.intr)
819 						sc->sc_rec.intr(sc->sc_rec.intr_arg);
820 				}
821 
822 				/* enable interrupt */
823 				autri_reg_set_4(sc, (ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A, mask);
824 			}
825 		}
826 	}
827 
828 	if (intsrc & MPU401_IRQ) {
829 		/* XXX */
830 	}
831 
832 	autri_reg_set_4(sc,AUTRI_MISCINT,
833 		ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW);
834 
835 	return 1;
836 }
837 
838 /*
839  *
840  */
841 
842 static int
843 autri_allocmem(struct autri_softc *sc, size_t size, size_t align,
844 	       struct autri_dma *p)
845 {
846 	int error;
847 
848 	p->size = size;
849 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
850 	    p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
851 	    &p->nsegs, BUS_DMA_NOWAIT);
852 	if (error)
853 		return error;
854 
855 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
856 	    &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
857 	if (error)
858 		goto free;
859 
860 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
861 	    0, BUS_DMA_NOWAIT, &p->map);
862 	if (error)
863 		goto unmap;
864 
865 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
866 	    BUS_DMA_NOWAIT);
867 	if (error)
868 		goto destroy;
869 	return (0);
870 
871 destroy:
872 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
873 unmap:
874 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
875 free:
876 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
877 	return error;
878 }
879 
880 static int
881 autri_freemem(struct autri_softc *sc, struct autri_dma *p)
882 {
883 
884 	bus_dmamap_unload(sc->sc_dmatag, p->map);
885 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
886 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
887 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
888 	return 0;
889 }
890 
891 static int
892 autri_open(void *addr, int flags)
893 {
894 	DPRINTF(("autri_open()\n"));
895 	DPRINTFN(5,("MISCINT    : 0x%08X\n",
896 		    TREAD4((struct autri_softc *)addr, AUTRI_MISCINT)));
897 	DPRINTFN(5,("LFO_GC_CIR : 0x%08X\n",
898 		    TREAD4((struct autri_softc *)addr, AUTRI_LFO_GC_CIR)));
899 	return 0;
900 }
901 
902 static int
903 autri_query_encoding(void *addr, struct audio_encoding *fp)
904 {
905 
906 	switch (fp->index) {
907 	case 0:
908 		strcpy(fp->name, AudioEulinear);
909 		fp->encoding = AUDIO_ENCODING_ULINEAR;
910 		fp->precision = 8;
911 		fp->flags = 0;
912 		break;
913 	case 1:
914 		strcpy(fp->name, AudioEmulaw);
915 		fp->encoding = AUDIO_ENCODING_ULAW;
916 		fp->precision = 8;
917 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
918 		break;
919 	case 2:
920 		strcpy(fp->name, AudioEalaw);
921 		fp->encoding = AUDIO_ENCODING_ALAW;
922 		fp->precision = 8;
923 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
924 		break;
925 	case 3:
926 		strcpy(fp->name, AudioEslinear);
927 		fp->encoding = AUDIO_ENCODING_SLINEAR;
928 		fp->precision = 8;
929 		fp->flags = 0;
930 		break;
931 	case 4:
932 		strcpy(fp->name, AudioEslinear_le);
933 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
934 		fp->precision = 16;
935 		fp->flags = 0;
936 		break;
937 	case 5:
938 		strcpy(fp->name, AudioEulinear_le);
939 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
940 		fp->precision = 16;
941 		fp->flags = 0;
942 		break;
943 	case 6:
944 		strcpy(fp->name, AudioEslinear_be);
945 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
946 		fp->precision = 16;
947 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
948 		break;
949 	case 7:
950 		strcpy(fp->name, AudioEulinear_be);
951 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
952 		fp->precision = 16;
953 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
954 		break;
955 	default:
956 		return EINVAL;
957 	}
958 
959 	return 0;
960 }
961 
962 static int
963 autri_set_params(void *addr, int setmode, int usemode,
964     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
965     stream_filter_list_t *rfil)
966 {
967 	if (setmode & AUMODE_RECORD) {
968 		if (auconv_set_converter(autri_formats, AUTRI_NFORMATS,
969 					 AUMODE_RECORD, rec, FALSE, rfil) < 0)
970 			return EINVAL;
971 	}
972 	if (setmode & AUMODE_PLAY) {
973 		if (auconv_set_converter(autri_formats, AUTRI_NFORMATS,
974 					 AUMODE_PLAY, play, FALSE, pfil) < 0)
975 			return EINVAL;
976 	}
977 	return 0;
978 }
979 
980 static int
981 autri_round_blocksize(void *addr, int block,
982     int mode, const audio_params_t *param)
983 {
984 	return block & -4;
985 }
986 
987 static int
988 autri_halt_output(void *addr)
989 {
990 	struct autri_softc *sc;
991 
992 	DPRINTF(("autri_halt_output()\n"));
993 	sc = addr;
994 	sc->sc_play.intr = NULL;
995 	autri_stopch(sc, sc->sc_play.ch, sc->sc_play.ch_intr);
996 	autri_disable_interrupt(sc, sc->sc_play.ch_intr);
997 
998 	return 0;
999 }
1000 
1001 static int
1002 autri_halt_input(void *addr)
1003 {
1004 	struct autri_softc *sc;
1005 
1006 	DPRINTF(("autri_halt_input()\n"));
1007 	sc = addr;
1008 	sc->sc_rec.intr = NULL;
1009 	autri_stopch(sc, sc->sc_rec.ch, sc->sc_rec.ch_intr);
1010 	autri_disable_interrupt(sc, sc->sc_rec.ch_intr);
1011 
1012 	return 0;
1013 }
1014 
1015 static int
1016 autri_getdev(void *addr, struct audio_device *retp)
1017 {
1018 	struct autri_softc *sc;
1019 
1020 	DPRINTF(("autri_getdev().\n"));
1021 	sc = addr;
1022 	strncpy(retp->name, "Trident 4DWAVE", sizeof(retp->name));
1023 	snprintf(retp->version, sizeof(retp->version), "0x%02x",
1024 	     PCI_REVISION(sc->sc_class));
1025 
1026 	switch (sc->sc_devid) {
1027 	case AUTRI_DEVICE_ID_4DWAVE_DX:
1028 		strncpy(retp->config, "4DWAVE-DX", sizeof(retp->config));
1029 		break;
1030 	case AUTRI_DEVICE_ID_4DWAVE_NX:
1031 		strncpy(retp->config, "4DWAVE-NX", sizeof(retp->config));
1032 		break;
1033 	case AUTRI_DEVICE_ID_SIS_7018:
1034 		strncpy(retp->config, "SiS 7018", sizeof(retp->config));
1035 		break;
1036 	case AUTRI_DEVICE_ID_ALI_M5451:
1037 		strncpy(retp->config, "ALi M5451", sizeof(retp->config));
1038 		break;
1039 	default:
1040 		strncpy(retp->config, "unknown", sizeof(retp->config));
1041 	}
1042 
1043 	return 0;
1044 }
1045 
1046 static int
1047 autri_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1048 {
1049 	struct autri_softc *sc;
1050 
1051 	sc = addr;
1052 	return sc->sc_codec.codec_if->vtbl->mixer_set_port(
1053 	    sc->sc_codec.codec_if, cp);
1054 }
1055 
1056 static int
1057 autri_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1058 {
1059 	struct autri_softc *sc;
1060 
1061 	sc = addr;
1062 	return sc->sc_codec.codec_if->vtbl->mixer_get_port(
1063 	    sc->sc_codec.codec_if, cp);
1064 }
1065 
1066 static int
1067 autri_query_devinfo(void *addr, mixer_devinfo_t *dip)
1068 {
1069 	struct autri_softc *sc;
1070 
1071 	sc = addr;
1072 	return sc->sc_codec.codec_if->vtbl->query_devinfo(
1073 	    sc->sc_codec.codec_if, dip);
1074 }
1075 
1076 static void *
1077 autri_malloc(void *addr, int direction, size_t size,
1078     struct malloc_type *pool, int flags)
1079 {
1080 	struct autri_softc *sc;
1081 	struct autri_dma *p;
1082 	int error;
1083 
1084 	p = malloc(sizeof(*p), pool, flags);
1085 	if (!p)
1086 		return NULL;
1087 	sc = addr;
1088 #if 0
1089 	error = autri_allocmem(sc, size, 16, p);
1090 #endif
1091 	error = autri_allocmem(sc, size, 0x10000, p);
1092 	if (error) {
1093 		free(p, pool);
1094 		return NULL;
1095 	}
1096 
1097 	p->next = sc->sc_dmas;
1098 	sc->sc_dmas = p;
1099 	return KERNADDR(p);
1100 }
1101 
1102 static void
1103 autri_free(void *addr, void *ptr, struct malloc_type *pool)
1104 {
1105 	struct autri_softc *sc;
1106 	struct autri_dma **pp, *p;
1107 
1108 	sc = addr;
1109 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1110 		if (KERNADDR(p) == ptr) {
1111 			autri_freemem(sc, p);
1112 			*pp = p->next;
1113 			free(p, pool);
1114 			return;
1115 		}
1116 	}
1117 }
1118 
1119 static struct autri_dma *
1120 autri_find_dma(struct autri_softc *sc, void *addr)
1121 {
1122 	struct autri_dma *p;
1123 
1124 	for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
1125 		continue;
1126 
1127 	return p;
1128 }
1129 
1130 static size_t
1131 autri_round_buffersize(void *addr, int direction, size_t size)
1132 {
1133 
1134 	return size;
1135 }
1136 
1137 static paddr_t
1138 autri_mappage(void *addr, void *mem, off_t off, int prot)
1139 {
1140 	struct autri_softc *sc;
1141 	struct autri_dma *p;
1142 
1143 	if (off < 0)
1144 		return -1;
1145 	sc = addr;
1146 	p = autri_find_dma(sc, mem);
1147 	if (!p)
1148 		return -1;
1149 
1150 	return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1151 	    off, prot, BUS_DMA_WAITOK);
1152 }
1153 
1154 static int
1155 autri_get_props(void *addr)
1156 {
1157 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1158 	    AUDIO_PROP_FULLDUPLEX;
1159 }
1160 
1161 static void
1162 autri_setup_channel(struct autri_softc *sc, int mode,
1163 		    const audio_params_t *param)
1164 {
1165 	int i, ch, channel;
1166 	uint32_t reg, cr[5];
1167 	uint32_t cso, eso;
1168 	uint32_t delta, dch[2], ctrl;
1169 	uint32_t alpha_fms, fm_vol, attribute;
1170 
1171 	uint32_t dmaaddr, dmalen;
1172 	int factor, rvol, cvol;
1173 	struct autri_chstatus *chst;
1174 
1175 	ctrl = AUTRI_CTRL_LOOPMODE;
1176 	switch (param->encoding) {
1177 	case AUDIO_ENCODING_SLINEAR_BE:
1178 	case AUDIO_ENCODING_SLINEAR_LE:
1179 		ctrl |= AUTRI_CTRL_SIGNED;
1180 		break;
1181 	}
1182 
1183 	factor = 0;
1184 	if (param->precision == 16) {
1185 		ctrl |= AUTRI_CTRL_16BIT;
1186 		factor++;
1187 	}
1188 
1189 	if (param->channels == 2) {
1190 		ctrl |= AUTRI_CTRL_STEREO;
1191 		factor++;
1192 	}
1193 
1194 	delta = param->sample_rate;
1195 	if (delta < 4000)
1196 		delta = 4000;
1197 	if (delta > 48000)
1198 		delta = 48000;
1199 
1200 	attribute = 0;
1201 
1202 	dch[1] = ((delta << 12) / 48000) & 0x0000ffff;
1203 	if (mode == AUMODE_PLAY) {
1204 		chst = &sc->sc_play;
1205 		dch[0] = ((delta << 12) / 48000) & 0x0000ffff;
1206 		ctrl |= AUTRI_CTRL_WAVEVOL;
1207 	} else {
1208 		chst = &sc->sc_rec;
1209 		dch[0] = ((48000 << 12) / delta) & 0x0000ffff;
1210 		if (sc->sc_devid == AUTRI_DEVICE_ID_SIS_7018) {
1211 			ctrl |= AUTRI_CTRL_MUTEVOL_SIS;
1212 			attribute = AUTRI_ATTR_PCMREC_SIS;
1213 			if (delta != 48000)
1214 				attribute |= AUTRI_ATTR_ENASRC_SIS;
1215 		} else
1216 			ctrl |= AUTRI_CTRL_MUTEVOL;
1217 	}
1218 
1219 	dmaaddr = DMAADDR(chst->dma);
1220 	cso = alpha_fms = 0;
1221 	rvol = cvol = 0x7f;
1222 	fm_vol = 0x0 | ((rvol & 0x7f) << 7) | (cvol & 0x7f);
1223 
1224 	for (ch = 0; ch < 2; ch++) {
1225 
1226 		if (ch == 0)
1227 			dmalen = (chst->length >> factor);
1228 		else {
1229 			/* channel for interrupt */
1230 			dmalen = (chst->blksize >> factor);
1231 			if (sc->sc_devid == AUTRI_DEVICE_ID_SIS_7018)
1232 				ctrl |= AUTRI_CTRL_MUTEVOL_SIS;
1233 			else
1234 				ctrl |= AUTRI_CTRL_MUTEVOL;
1235 			attribute = 0;
1236 			cso = dmalen - 1;
1237 		}
1238 
1239 		eso = dmalen - 1;
1240 
1241 		switch (sc->sc_devid) {
1242 		case AUTRI_DEVICE_ID_4DWAVE_DX:
1243 			cr[0] = (cso << 16) | (alpha_fms & 0x0000ffff);
1244 			cr[1] = dmaaddr;
1245 			cr[2] = (eso << 16) | (dch[ch] & 0x0000ffff);
1246 			cr[3] = fm_vol;
1247 			cr[4] = ctrl;
1248 			break;
1249 		case AUTRI_DEVICE_ID_4DWAVE_NX:
1250 			cr[0] = (dch[ch] << 24) | (cso & 0x00ffffff);
1251 			cr[1] = dmaaddr;
1252 			cr[2] = ((dch[ch] << 16) & 0xff000000) | (eso & 0x00ffffff);
1253 			cr[3] = (alpha_fms << 16) | (fm_vol & 0x0000ffff);
1254 			cr[4] = ctrl;
1255 			break;
1256 		case AUTRI_DEVICE_ID_SIS_7018:
1257 			cr[0] = (cso << 16) | (alpha_fms & 0x0000ffff);
1258 			cr[1] = dmaaddr;
1259 			cr[2] = (eso << 16) | (dch[ch] & 0x0000ffff);
1260 			cr[3] = attribute;
1261 			cr[4] = ctrl;
1262 			break;
1263 		case AUTRI_DEVICE_ID_ALI_M5451:
1264 			cr[0] = (cso << 16) | (alpha_fms & 0x0000ffff);
1265 			cr[1] = dmaaddr;
1266 			cr[2] = (eso << 16) | (dch[ch] & 0x0000ffff);
1267 			cr[3] = 0;
1268 			cr[4] = ctrl;
1269 			break;
1270 		}
1271 
1272 		/* write channel data */
1273 		channel = (ch == 0) ? chst->ch : chst->ch_intr;
1274 
1275 		reg = TREAD4(sc,AUTRI_LFO_GC_CIR) & ~0x0000003f;
1276 		TWRITE4(sc,AUTRI_LFO_GC_CIR, reg | channel);
1277 
1278 		for (i = 0; i < 5; i++) {
1279 			TWRITE4(sc, AUTRI_ARAM_CR + i*sizeof(cr[0]), cr[i]);
1280 			DPRINTFN(5,("cr[%d] : 0x%08X\n", i, cr[i]));
1281 		}
1282 
1283 		/* Bank A only */
1284 		if (channel < 0x20) {
1285 			TWRITE4(sc, AUTRI_EBUF1, AUTRI_EMOD_STILL);
1286 			TWRITE4(sc, AUTRI_EBUF2, AUTRI_EMOD_STILL);
1287 		}
1288 	}
1289 
1290 }
1291 
1292 static int
1293 autri_trigger_output(void *addr, void *start, void *end, int blksize,
1294 		     void (*intr)(void *), void *arg,
1295 		     const audio_params_t *param)
1296 {
1297 	struct autri_softc *sc;
1298 	struct autri_dma *p;
1299 
1300 	DPRINTFN(5,("autri_trigger_output: sc=%p start=%p end=%p "
1301 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1302 	sc = addr;
1303 	sc->sc_play.intr = intr;
1304 	sc->sc_play.intr_arg = arg;
1305 	sc->sc_play.offset = 0;
1306 	sc->sc_play.blksize = blksize;
1307 	sc->sc_play.length = (char *)end - (char *)start;
1308 
1309 	p = autri_find_dma(sc, start);
1310 	if (!p) {
1311 		printf("autri_trigger_output: bad addr %p\n", start);
1312 		return (EINVAL);
1313 	}
1314 
1315 	sc->sc_play.dma = p;
1316 
1317 	/* */
1318 	autri_setup_channel(sc, AUMODE_PLAY, param);
1319 
1320 	/* volume set to no attenuation */
1321 	TWRITE4(sc, AUTRI_MUSICVOL_WAVEVOL, 0);
1322 
1323 	/* enable interrupt */
1324 	autri_enable_interrupt(sc, sc->sc_play.ch_intr);
1325 
1326 	/* start channel */
1327 	autri_startch(sc, sc->sc_play.ch, sc->sc_play.ch_intr);
1328 
1329 	return 0;
1330 }
1331 
1332 static int
1333 autri_trigger_input(void *addr, void *start, void *end, int blksize,
1334 		    void (*intr)(void *), void *arg,
1335 		    const audio_params_t *param)
1336 {
1337 	struct autri_softc *sc;
1338 	struct autri_dma *p;
1339 
1340 	DPRINTFN(5,("autri_trigger_input: sc=%p start=%p end=%p "
1341 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1342 	sc = addr;
1343 	sc->sc_rec.intr = intr;
1344 	sc->sc_rec.intr_arg = arg;
1345 	sc->sc_rec.offset = 0;
1346 	sc->sc_rec.blksize = blksize;
1347 	sc->sc_rec.length = (char *)end - (char *)start;
1348 
1349 	/* */
1350 	p = autri_find_dma(sc, start);
1351 	if (!p) {
1352 		printf("autri_trigger_input: bad addr %p\n", start);
1353 		return (EINVAL);
1354 	}
1355 
1356 	sc->sc_rec.dma = p;
1357 
1358 	/* */
1359 	if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX) {
1360 		autri_reg_set_4(sc, AUTRI_NX_ACR0, AUTRI_NX_ACR0_PSB_CAPTURE);
1361 		TWRITE1(sc, AUTRI_NX_RCI3, AUTRI_NX_RCI3_ENABLE | sc->sc_rec.ch);
1362 	}
1363 
1364 #if 0
1365 	/* 4DWAVE only allows capturing at a 48 kHz rate */
1366 	if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_DX ||
1367 	    sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX)
1368 		param->sample_rate = 48000;
1369 #endif
1370 
1371 	autri_setup_channel(sc, AUMODE_RECORD, param);
1372 
1373 	/* enable interrupt */
1374 	autri_enable_interrupt(sc, sc->sc_rec.ch_intr);
1375 
1376 	/* start channel */
1377 	autri_startch(sc, sc->sc_rec.ch, sc->sc_rec.ch_intr);
1378 
1379 	return 0;
1380 }
1381 
1382 #if 0
1383 static int
1384 autri_halt(struct autri_softc *sc)
1385 {
1386 
1387 	DPRINTF(("autri_halt().\n"));
1388 	/*autri_stopch(sc);*/
1389 	autri_disable_interrupt(sc, sc->sc_play.channel);
1390 	autri_disable_interrupt(sc, sc->sc_rec.channel);
1391 	return 0;
1392 }
1393 #endif
1394 
1395 static void
1396 autri_enable_interrupt(struct autri_softc *sc, int ch)
1397 {
1398 	int reg;
1399 
1400 	reg = (ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A;
1401 	ch &= 0x1f;
1402 
1403 	autri_reg_set_4(sc, reg, 1 << ch);
1404 }
1405 
1406 static void
1407 autri_disable_interrupt(struct autri_softc *sc, int ch)
1408 {
1409 	int reg;
1410 
1411 	reg = (ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A;
1412 	ch &= 0x1f;
1413 
1414 	autri_reg_clear_4(sc, reg, 1 << ch);
1415 }
1416 
1417 static void
1418 autri_startch(struct autri_softc *sc, int ch, int ch_intr)
1419 {
1420 	int reg;
1421 	uint32_t chmask;
1422 
1423 	reg = (ch & 0x20) ? AUTRI_START_B : AUTRI_START_A;
1424 	ch &= 0x1f;
1425 	ch_intr &= 0x1f;
1426 	chmask = (1 << ch) | (1 << ch_intr);
1427 
1428 	autri_reg_set_4(sc, reg, chmask);
1429 }
1430 
1431 static void
1432 autri_stopch(struct autri_softc *sc, int ch, int ch_intr)
1433 {
1434 	int reg;
1435 	uint32_t chmask;
1436 
1437 	reg = (ch & 0x20) ? AUTRI_STOP_B : AUTRI_STOP_A;
1438 	ch &= 0x1f;
1439 	ch_intr &= 0x1f;
1440 	chmask = (1 << ch) | (1 << ch_intr);
1441 
1442 	autri_reg_set_4(sc, reg, chmask);
1443 }
1444 
1445 #if NMIDI > 0
1446 static int
1447 autri_midi_open(void *addr, int flags, void (*iintr)(void *, int),
1448 		void (*ointr)(void *), void *arg)
1449 {
1450 	struct autri_softc *sc;
1451 
1452 	DPRINTF(("autri_midi_open()\n"));
1453 	sc = addr;
1454 	DPRINTFN(5,("MPUR1 : 0x%02X\n", TREAD1(sc, AUTRI_MPUR1)));
1455 	DPRINTFN(5,("MPUR2 : 0x%02X\n", TREAD1(sc, AUTRI_MPUR2)));
1456 
1457 	sc->sc_iintr = iintr;
1458 	sc->sc_ointr = ointr;
1459 	sc->sc_arg = arg;
1460 
1461 	if (flags & FREAD)
1462 		autri_reg_clear_1(sc, AUTRI_MPUR2, AUTRI_MIDIIN_ENABLE_INTR);
1463 
1464 	if (flags & FWRITE)
1465 		autri_reg_set_1(sc, AUTRI_MPUR2, AUTRI_MIDIOUT_CONNECT);
1466 
1467 	return 0;
1468 }
1469 
1470 static void
1471 autri_midi_close(void *addr)
1472 {
1473 	struct autri_softc *sc;
1474 
1475 	DPRINTF(("autri_midi_close()\n"));
1476 	sc = addr;
1477 	tsleep(sc, PWAIT, "autri", hz/10); /* give uart a chance to drain */
1478 
1479 	sc->sc_iintr = NULL;
1480 	sc->sc_ointr = NULL;
1481 }
1482 
1483 static int
1484 autri_midi_output(void *addr, int d)
1485 {
1486 	struct autri_softc *sc;
1487 	int x;
1488 
1489 	sc = addr;
1490 	for (x = 0; x != MIDI_BUSY_WAIT; x++) {
1491 		if ((TREAD1(sc, AUTRI_MPUR1) & AUTRI_MIDIOUT_READY) == 0) {
1492 			TWRITE1(sc, AUTRI_MPUR0, d);
1493 			return 0;
1494 		}
1495 		delay(MIDI_BUSY_DELAY);
1496 	}
1497 	return EIO;
1498 }
1499 
1500 static void
1501 autri_midi_getinfo(void *addr, struct midi_info *mi)
1502 {
1503 
1504 	mi->name = "4DWAVE MIDI UART";
1505 	mi->props = MIDI_PROP_CAN_INPUT;
1506 }
1507 
1508 #endif
1509