xref: /openbsd-src/sys/dev/pci/envy.c (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1 /*	$OpenBSD: envy.c,v 1.68 2016/09/19 06:46:44 ratchov Exp $	*/
2 /*
3  * Copyright (c) 2007 Alexandre Ratchov <alex@caoua.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 /*
19  * TODO:
20  *
21  * - add nspdin, nspdout, to struct envy_card
22  *
23  * - use eeprom version rather isht flag
24  *
25  * - implement HT mixer, midi uart, spdif, init ADC/DACs for >48kHz modes
26  *
27  */
28 
29 #include "midi.h"
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/device.h>
33 #include <sys/audioio.h>
34 #include <sys/malloc.h>
35 #include <sys/kernel.h>
36 #include <dev/audio_if.h>
37 #include <dev/midi_if.h>
38 #include <dev/ic/ac97.h>
39 #include <dev/pci/pcivar.h>
40 #include <dev/pci/pcidevs.h>
41 #include <dev/pci/envyvar.h>
42 #include <dev/pci/envyreg.h>
43 #include <machine/bus.h>
44 #include <uvm/uvm.h>
45 
46 #ifdef ENVY_DEBUG
47 #define DPRINTF(...) do { if (envydebug) printf(__VA_ARGS__); } while(0)
48 #define DPRINTFN(n, ...) do { if (envydebug > (n)) printf(__VA_ARGS__); } while(0)
49 int envydebug = 1;
50 #else
51 #define DPRINTF(...) do {} while(0)
52 #define DPRINTFN(n, ...) do {} while(0)
53 #endif
54 #define DEVNAME(sc) ((sc)->dev.dv_xname)
55 
56 int  envymatch(struct device *, void *, void *);
57 void envyattach(struct device *, struct device *, void *);
58 int  envydetach(struct device *, int);
59 
60 int  envy_ccs_read(struct envy_softc *, int);
61 void envy_ccs_write(struct envy_softc *, int, int);
62 int  envy_mt_read_1(struct envy_softc *, int);
63 void envy_mt_write_1(struct envy_softc *, int, int);
64 int  envy_mt_read_2(struct envy_softc *, int);
65 void envy_mt_write_2(struct envy_softc *, int, int);
66 int  envy_mt_read_4(struct envy_softc *, int);
67 void envy_mt_write_4(struct envy_softc *, int, int);
68 int  envy_cci_read(struct envy_softc *, int);
69 void envy_cci_write(struct envy_softc *, int, int);
70 void envy_i2c_wait(struct envy_softc *);
71 int  envy_i2c_read(struct envy_softc *, int, int);
72 void envy_i2c_write(struct envy_softc *, int, int, int);
73 int  envy_gpio_getstate(struct envy_softc *);
74 void envy_gpio_setstate(struct envy_softc *, int);
75 int  envy_gpio_getmask(struct envy_softc *);
76 void envy_gpio_setmask(struct envy_softc *, int);
77 int  envy_gpio_getdir(struct envy_softc *);
78 void envy_gpio_setdir(struct envy_softc *, int);
79 void envy_gpio_i2c_start_bit(struct envy_softc *, int, int);
80 void envy_gpio_i2c_stop_bit(struct envy_softc *, int, int);
81 void envy_gpio_i2c_byte_out(struct envy_softc *, int, int, int);
82 int  envy_eeprom_gpioxxx(struct envy_softc *, int);
83 void envy_midi_wait(struct envy_softc *);
84 void envy_reset(struct envy_softc *);
85 int  envy_codec_read(struct envy_softc *, int, int);
86 void envy_codec_write(struct envy_softc *, int, int, int);
87 void envy_pintr(struct envy_softc *);
88 int  envy_intr(void *);
89 
90 int envy_lineout_getsrc(struct envy_softc *, int);
91 void envy_lineout_setsrc(struct envy_softc *, int, int);
92 int envy_spdout_getsrc(struct envy_softc *, int);
93 void envy_spdout_setsrc(struct envy_softc *, int, int);
94 void envy_mon_getvol(struct envy_softc *, int, int, int *);
95 void envy_mon_setvol(struct envy_softc *, int, int, int);
96 
97 int envy_open(void *, int);
98 void envy_close(void *);
99 void *envy_allocm(void *, int, size_t, int, int);
100 void envy_freem(void *, void *, int);
101 int envy_set_params(void *, int, int, struct audio_params *,
102     struct audio_params *);
103 int envy_round_blocksize(void *, int);
104 size_t envy_round_buffersize(void *, int, size_t);
105 int envy_trigger_output(void *, void *, void *, int,
106     void (*)(void *), void *, struct audio_params *);
107 int envy_trigger_input(void *, void *, void *, int,
108     void (*)(void *), void *, struct audio_params *);
109 int envy_halt_output(void *);
110 int envy_halt_input(void *);
111 int envy_query_devinfo(void *, struct mixer_devinfo *);
112 int envy_get_port(void *, struct mixer_ctrl *);
113 int envy_set_port(void *, struct mixer_ctrl *);
114 int envy_get_props(void *);
115 #if NMIDI > 0
116 int envy_midi_open(void *, int, void (*)(void *, int),
117     void (*)(void *), void *);
118 void envy_midi_close(void *);
119 int envy_midi_output(void *, int);
120 void envy_midi_getinfo(void *, struct midi_info *);
121 #endif
122 
123 int  envy_ac97_wait(struct envy_softc *);
124 int  envy_ac97_attach_codec(void *, struct ac97_codec_if *);
125 int  envy_ac97_read_codec(void *, u_int8_t, u_int16_t *);
126 int  envy_ac97_write_codec(void *, u_int8_t, u_int16_t);
127 void envy_ac97_reset_codec(void *);
128 enum ac97_host_flags envy_ac97_flags_codec(void *);
129 
130 void delta_init(struct envy_softc *);
131 void delta_codec_write(struct envy_softc *, int, int, int);
132 
133 void ap192k_init(struct envy_softc *);
134 void ap192k_codec_write(struct envy_softc *, int, int, int);
135 
136 void ewx_codec_write(struct envy_softc *, int, int, int);
137 
138 void revo51_init(struct envy_softc *);
139 void revo51_codec_write(struct envy_softc *, int, int, int);
140 
141 void envy_ac97_init(struct envy_softc *);
142 void dynex_sc51_init(struct envy_softc *);
143 
144 void julia_init(struct envy_softc *);
145 void julia_codec_write(struct envy_softc *, int, int, int);
146 
147 void unkenvy_init(struct envy_softc *);
148 void unkenvy_codec_write(struct envy_softc *, int, int, int);
149 int unkenvy_codec_ndev(struct envy_softc *);
150 
151 int ak4524_dac_ndev(struct envy_softc *);
152 void ak4524_dac_devinfo(struct envy_softc *, struct mixer_devinfo *, int);
153 void ak4524_dac_get(struct envy_softc *, struct mixer_ctrl *, int);
154 int ak4524_dac_set(struct envy_softc *, struct mixer_ctrl *, int);
155 int ak4524_adc_ndev(struct envy_softc *);
156 void ak4524_adc_devinfo(struct envy_softc *, struct mixer_devinfo *, int);
157 void ak4524_adc_get(struct envy_softc *, struct mixer_ctrl *, int);
158 int ak4524_adc_set(struct envy_softc *, struct mixer_ctrl *, int);
159 
160 int ak4358_dac_ndev(struct envy_softc *);
161 void ak4358_dac_devinfo(struct envy_softc *, struct mixer_devinfo *, int);
162 void ak4358_dac_get(struct envy_softc *, struct mixer_ctrl *, int);
163 int ak4358_dac_set(struct envy_softc *, struct mixer_ctrl *, int);
164 
165 int ak5365_adc_ndev(struct envy_softc *);
166 void ak5365_adc_devinfo(struct envy_softc *, struct mixer_devinfo *, int);
167 void ak5365_adc_get(struct envy_softc *, struct mixer_ctrl *, int);
168 int ak5365_adc_set(struct envy_softc *, struct mixer_ctrl *, int);
169 
170 struct cfattach envy_ca = {
171 	sizeof(struct envy_softc), envymatch, envyattach, envydetach
172 };
173 
174 struct cfdriver envy_cd = {
175 	NULL, "envy", DV_DULL
176 };
177 
178 struct audio_hw_if envy_hw_if = {
179 	envy_open,		/* open */
180 	envy_close,		/* close */
181 	envy_set_params,	/* set_params */
182 	envy_round_blocksize,	/* round_blocksize */
183 	NULL,			/* commit_settings */
184 	NULL,			/* init_output */
185 	NULL,			/* init_input */
186 	NULL,			/* start_output */
187 	NULL,			/* start_input */
188 	envy_halt_output,	/* halt_output */
189 	envy_halt_input,	/* halt_input */
190 	NULL,			/* speaker_ctl */
191 	NULL,			/* setfd */
192 	envy_set_port,		/* set_port */
193 	envy_get_port,		/* get_port */
194 	envy_query_devinfo,	/* query_devinfo */
195 	envy_allocm,		/* malloc */
196 	envy_freem,		/* free */
197 	envy_round_buffersize,	/* round_buffersize */
198 	envy_get_props,		/* get_props */
199 	envy_trigger_output,	/* trigger_output */
200 	envy_trigger_input	/* trigger_input */
201 };
202 
203 #if NMIDI > 0
204 struct midi_hw_if envy_midi_hw_if = {
205 	envy_midi_open,
206 	envy_midi_close,
207 	envy_midi_output,
208 	NULL,				/* flush */
209 	envy_midi_getinfo,
210 	NULL				/* ioctl */
211 };
212 #endif
213 
214 struct pci_matchid envy_matchids[] = {
215 	{ PCI_VENDOR_ICENSEMBLE, PCI_PRODUCT_ICENSEMBLE_ICE1712 },
216 	{ PCI_VENDOR_ICENSEMBLE, PCI_PRODUCT_ICENSEMBLE_VT172x }
217 };
218 
219 /*
220  * correspondence between rates (in frames per second)
221  * and values of rate register
222  */
223 struct {
224 	int rate, reg;
225 } envy_rates[] = {
226 	{ 8000, 0x6}, { 9600, 0x3}, {11025, 0xa}, {12000, 2}, {16000, 5},
227 	{22050, 0x9}, {24000, 0x1}, {32000, 0x4}, {44100, 8}, {48000, 0},
228 	{64000, 0xf}, {88200, 0xb}, {96000, 0x7}, {-1, -1}
229 };
230 
231 /*
232  * ESI Julia cards don't have EEPROM, use this copy
233  */
234 static unsigned char julia_eeprom[ENVY_EEPROM_MAXSZ] = {
235 	/* gpio mask/dir/state is from linux */
236 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
237 	0x20, 0x80, 0xf8, 0xc3,
238 	0x9f, 0xff, 0x7f,
239 	0x90, 0xff, 0x7f,
240 	0x66, 0x00, 0x00
241 };
242 
243 struct envy_codec ak4524_dac = {
244 	"ak4524 dac", ak4524_dac_ndev, ak4524_dac_devinfo, ak4524_dac_get, ak4524_dac_set
245 }, ak4524_adc = {
246 	"ak4524 adc", ak4524_adc_ndev, ak4524_adc_devinfo, ak4524_adc_get, ak4524_adc_set
247 }, ak4358_dac = {
248 	"ak4358 dac", ak4358_dac_ndev, ak4358_dac_devinfo, ak4358_dac_get, ak4358_dac_set
249 }, ak5365_adc = {
250 	"ak5365 adc", ak5365_adc_ndev, ak5365_adc_devinfo, ak5365_adc_get, ak5365_adc_set
251 }, unkenvy_codec = {
252 	"unknown codec", unkenvy_codec_ndev, NULL, NULL, NULL
253 };
254 
255 /*
256  * array with vendor/product sub-IDs to card info
257  */
258 struct envy_card envy_cards[] = {
259 	{
260 		PCI_ID_CODE(0x1412, 0xd630),
261 		"M-Audio Delta 1010",
262 		8, &ak4524_adc, 8, &ak4524_dac, 1,
263 		delta_init,
264 		delta_codec_write,
265 		NULL
266 	}, {
267 		PCI_ID_CODE(0x1412, 0xd632),
268 		"M-Audio Delta 66",
269 		4, &ak4524_adc, 4, &ak4524_dac, 0,
270 		delta_init,
271 		delta_codec_write,
272 		NULL
273 	}, {
274 #define ENVY_SUBID_DELTA44	(PCI_ID_CODE(0x1412, 0xd633))
275 		PCI_ID_CODE(0x1412, 0xd633),
276 		"M-Audio Delta 44",
277 		4, &ak4524_adc, 4, &ak4524_dac, 0,
278 		delta_init,
279 		delta_codec_write,
280 		NULL
281 	}, {
282 		PCI_ID_CODE(0x1412, 0xd63b),
283 		"M-Audio Delta 1010LT",
284 		8, &ak4524_adc, 8, &ak4524_dac, 1,
285 		delta_init,
286 		delta_codec_write,
287 		NULL
288 	}, {
289 		PCI_ID_CODE(0x1412, 0xd634),
290 		"M-Audio Audiophile 2496",
291 		2, &ak4524_adc, 2, &ak4524_dac, 1,
292 		delta_init,
293 		delta_codec_write,
294 		NULL
295 	}, {
296 		PCI_ID_CODE(0x153b, 0x1130),
297 		"Terratec EWX 24/96",
298 		2, &ak4524_adc, 2, &ak4524_dac, 1,
299 		delta_init,
300 		ewx_codec_write,
301 		NULL
302 	}, {
303 		0,
304 		"unknown 1712-based card",
305 		8, &unkenvy_codec, 8, &unkenvy_codec, 1,
306 		unkenvy_init,
307 		unkenvy_codec_write
308 	}
309 }, envy_cards_ht[] = {
310 	{
311 		PCI_ID_CODE(0x3031, 0x4553),
312 		"ESI Julia",
313 		2, &unkenvy_codec, 2, &ak4358_dac, 1,
314 		julia_init,
315 		julia_codec_write,
316 		julia_eeprom
317 	}, {
318 		PCI_ID_CODE(0x1412, 0x3632),
319 		"M-Audio Audiophile 192k",
320 		2, &unkenvy_codec, 2, &ak4358_dac, 1,
321 		ap192k_init,
322 		ap192k_codec_write
323 	}, {
324 		PCI_ID_CODE(0x1412, 0x3631),
325 		"M-Audio Revolution 5.1",
326 		2, &ak5365_adc, 6, &ak4358_dac, 1,
327 		revo51_init,
328 		revo51_codec_write
329 	}, {
330 		PCI_ID_CODE(0x1412, 0x2403),
331 		"VIA Tremor 5.1",
332 		2, &unkenvy_codec, 6, &unkenvy_codec, 1,
333 		envy_ac97_init,
334 		unkenvy_codec_write
335 	}, {
336 		PCI_ID_CODE(0x14c3, 0x1705),
337 		"Dynex DX-SC51",
338 		2, &unkenvy_codec, 6, &unkenvy_codec, 0,
339 		dynex_sc51_init,
340 		unkenvy_codec_write
341 	}, {
342 		0,
343 		"unknown 1724-based card",
344 		2, &unkenvy_codec, 8, &unkenvy_codec, 1,
345 		unkenvy_init,
346 		unkenvy_codec_write
347 	}
348 };
349 
350 
351 /*
352  * M-Audio Delta specific code
353  */
354 
355 void
356 delta_init(struct envy_softc *sc)
357 {
358 	int dev;
359 
360 	for (dev = 0; dev < sc->card->noch / 2; dev++) {
361 		envy_codec_write(sc, dev, AK4524_RST, 0x0);
362 		delay(300);
363 		envy_codec_write(sc, dev, AK4524_RST,
364 		    AK4524_RST_AD | AK4524_RST_DA);
365 		envy_codec_write(sc, dev, AK4524_FMT,
366 		    AK4524_FMT_IIS24);
367 		sc->shadow[dev][AK4524_DEEMVOL] = AK4524_DEEM_OFF;
368 		sc->shadow[dev][AK4524_ADC_GAIN0] = 0x7f;
369 		sc->shadow[dev][AK4524_ADC_GAIN1] = 0x7f;
370 		sc->shadow[dev][AK4524_DAC_GAIN0] = 0x7f;
371 		sc->shadow[dev][AK4524_DAC_GAIN1] = 0x7f;
372 	}
373 }
374 
375 void
376 delta_codec_write(struct envy_softc *sc, int dev, int addr, int data)
377 {
378 	int bits, i, reg;
379 	int clk, dout, csmask, cs;
380 
381 	/*
382 	 * GPIO pin numbers
383 	 */
384 	if (sc->card->subid == ENVY_SUBID_DELTA44) {
385 		clk = 0x20;
386 		dout = 0x10;
387 		csmask = 0xc0;
388 		cs = dev ? 0x40 : 0x80;
389 	} else {
390 		clk = 0x2;
391 		dout = 0x8;
392 		csmask = 0x70;
393 		cs = dev << 4;
394 	}
395 
396 	reg = envy_gpio_getstate(sc);
397 	reg &= ~csmask;
398 	reg |= cs;
399 	envy_gpio_setstate(sc, reg);
400 	delay(1);
401 
402 	bits  = 0xa000 | (addr << 8) | data;
403 	for (i = 0; i < 16; i++) {
404 		reg &= ~(clk | dout);
405 		reg |= (bits & 0x8000) ? dout : 0;
406 		envy_gpio_setstate(sc, reg);
407 		delay(1);
408 
409 		reg |= clk;
410 		envy_gpio_setstate(sc, reg);
411 		delay(1);
412 		bits <<= 1;
413 	}
414 
415 	reg |= csmask;
416 	envy_gpio_setstate(sc, reg);
417 	delay(1);
418 }
419 
420 /*
421  * M-Audio Audiophile 192 specific code
422  */
423 
424 /*
425  * GPIO pin numbers
426  */
427 #define AP192K_GPIO_CLK		0x2
428 #define AP192K_GPIO_DOUT	0x8
429 #define AP192K_GPIO_CSMASK	0x30
430 #define AP192K_GPIO_CS(dev)	((dev) << 4)
431 #define AP192K_GPIO_ADC_PWR	0x800
432 #define AP192K_GPIO_ADC_DFSMASK	(3 << 9)
433 #define AP192K_GPIO_ADC_DFS(v)	((v) << 9)
434 #define AP192K_GPIO_MUTE	0x400000
435 
436 void
437 ap192k_init(struct envy_softc *sc)
438 {
439 	int i, reg;
440 
441 	/* AK4358 */
442 	envy_codec_write(sc, 0, 0, 0);	/* reset */
443 	delay(300);
444 	envy_codec_write(sc, 0, 0, 0x87);	/* i2s mode */
445 	delay(1);
446 	for (i = 0; i < sc->card->noch; i++) {
447 		sc->shadow[0][AK4358_ATT(i)] = 0xff;
448 	}
449 
450 	/* AK5385 */
451 	delay(1);
452 	reg = envy_gpio_getstate(sc);
453 	reg &= ~(AP192K_GPIO_ADC_PWR | AP192K_GPIO_ADC_DFSMASK);
454 	reg |= AP192K_GPIO_ADC_DFS(0);
455 	envy_gpio_setstate(sc, reg);
456 	reg |= AP192K_GPIO_ADC_PWR;
457 	envy_gpio_setstate(sc, reg);
458 }
459 
460 void
461 ap192k_codec_write(struct envy_softc *sc, int dev, int addr, int data)
462 {
463 	int bits, i, reg;
464 
465 	reg = envy_gpio_getstate(sc);
466 	reg &= ~AP192K_GPIO_CSMASK;
467 	reg |=  AP192K_GPIO_CS(dev);
468 	envy_gpio_setstate(sc, reg);
469 	delay(1);
470 
471 	bits  = 0xa000 | (addr << 8) | data;
472 	for (i = 0; i < 16; i++) {
473 		reg &= ~(AP192K_GPIO_CLK | AP192K_GPIO_DOUT);
474 		reg |= (bits & 0x8000) ? AP192K_GPIO_DOUT : 0;
475 		envy_gpio_setstate(sc, reg);
476 		delay(1);
477 
478 		reg |= AP192K_GPIO_CLK;
479 		envy_gpio_setstate(sc, reg);
480 		delay(1);
481 		bits <<= 1;
482 	}
483 
484 	reg |= AP192K_GPIO_CSMASK;
485 	envy_gpio_setstate(sc, reg);
486 	delay(1);
487 }
488 
489 /*
490  * Terratec EWX specific code
491  */
492 
493 /*
494  * GPIO pin numbers
495  */
496 #define EWX_GPIO_CSMASK		0x01
497 #define EWX_GPIO_DOUT		0x10
498 #define EWX_GPIO_CLK		0x20
499 
500 void
501 ewx_codec_write(struct envy_softc *sc, int dev, int addr, int data)
502 {
503 	int bits, i, reg;
504 
505 	reg = envy_gpio_getstate(sc);
506 	reg |= (EWX_GPIO_CSMASK | EWX_GPIO_CLK);
507 	envy_gpio_setstate(sc, reg);
508 	delay(1);
509 
510 	bits = 0xa000 | (addr << 8) | data;
511 	for (i = 0; i < 16; i++) {
512 		reg &= ~(EWX_GPIO_CLK | EWX_GPIO_DOUT);
513 		reg |= (bits & 0x8000) ? EWX_GPIO_DOUT : 0;
514 		envy_gpio_setstate(sc, reg);
515 		delay(1);
516 
517 		reg |= EWX_GPIO_CLK;
518 		envy_gpio_setstate(sc, reg);
519 		delay(1);
520 		bits <<= 1;
521 	}
522 
523 	reg &= ~EWX_GPIO_CSMASK;
524 	envy_gpio_setstate(sc, reg);
525 	delay(1);
526 
527 	reg |= EWX_GPIO_CSMASK;
528 	envy_gpio_setstate(sc, reg);
529 	delay(1);
530 }
531 
532 
533 /*
534  * M-Audio Revolution 5.1 specific code
535  */
536 
537 #define REVO51_GPIO_CLK		0x2
538 #define REVO51_GPIO_DOUT	0x8
539 #define REVO51_GPIO_CSMASK	0x30
540 #define REVO51_GPIO_CS(dev)	((dev) ? 0x10 : 0x20)
541 #define REVO51_MUTE		0x400000
542 #define REVO51_PT2258S_SDA	0x40
543 #define REVO51_PT2258S_SCL	0x80
544 #define REVO51_PT2258S_ADDR	0x80
545 #define REVO51_PT2258S_MUTE	6
546 
547 void
548 revo51_init(struct envy_softc *sc)
549 {
550 	int i, reg;
551 
552 	/* AK4358 */
553 	envy_codec_write(sc, 0, 0, 0);	/* reset */
554 	delay(300);
555 	envy_codec_write(sc, 0, 0, 0x87);	/* i2s mode */
556 	for (i = 0; i < sc->card->noch; i++) {
557 		sc->shadow[0][AK4358_ATT(i)] = 0xff;
558 	}
559 
560 	/* AK5365 */
561 	envy_codec_write(sc, 1, AK5365_RST, 0);	/* reset */
562 	delay(300);
563 	envy_codec_write(sc, 1, AK5365_CTRL, AK5365_CTRL_I2S);	/* i2s mode */
564 	envy_codec_write(sc, 1, AK5365_RST , AK5365_RST_NORM);
565 	sc->shadow[1][AK5365_ATT(0)] = 0x7f;
566 	sc->shadow[1][AK5365_ATT(1)] = 0x7f;
567 
568 	/* PT2258S */
569 	envy_codec_write(sc, 2, REVO51_PT2258S_MUTE, 0xc0);	/* reset */
570 	envy_codec_write(sc, 2, REVO51_PT2258S_MUTE, 0xf9);	/* mute */
571 
572 	reg = envy_gpio_getstate(sc);
573 	reg |= REVO51_MUTE;
574 	envy_gpio_setstate(sc, reg);
575 }
576 
577 void
578 revo51_codec_write(struct envy_softc *sc, int dev, int addr, int data)
579 {
580 	int attn, bits, mask, reg;
581 	int xlat[6] = {0x90, 0x50, 0x10, 0x30, 0x70, 0xb0};
582 
583 	/* AK4358 & AK5365 */
584 	if (dev < 2) {
585 		reg = envy_gpio_getstate(sc);
586 		reg &= ~REVO51_GPIO_CSMASK;
587 		reg |=  REVO51_GPIO_CS(dev);
588 		envy_gpio_setstate(sc, reg);
589 		delay(1);
590 
591 		bits  = 0xa000 | (addr << 8) | data;
592 		for (mask = 0x8000; mask != 0; mask >>= 1) {
593 			reg &= ~(REVO51_GPIO_CLK | REVO51_GPIO_DOUT);
594 			reg |= (bits & mask) ? REVO51_GPIO_DOUT : 0;
595 			envy_gpio_setstate(sc, reg);
596 			delay(1);
597 
598 			reg |= REVO51_GPIO_CLK;
599 			envy_gpio_setstate(sc, reg);
600 			delay(1);
601 		}
602 
603 		reg |= REVO51_GPIO_CSMASK;
604 		envy_gpio_setstate(sc, reg);
605 		delay(1);
606 		return;
607 	}
608 
609 	/* PT2258S */
610 	envy_gpio_i2c_start_bit(sc, REVO51_PT2258S_SDA, REVO51_PT2258S_SCL);
611 	envy_gpio_i2c_byte_out(sc, REVO51_PT2258S_SDA, REVO51_PT2258S_SCL,
612 	    REVO51_PT2258S_ADDR);
613 
614 	if (addr == REVO51_PT2258S_MUTE) {
615 		envy_gpio_i2c_byte_out(sc, REVO51_PT2258S_SDA,
616 		    REVO51_PT2258S_SCL, data);
617 	} else {
618 		/* 1's digit */
619 		attn = data % 10;
620 		attn += xlat[addr];
621 		envy_gpio_i2c_byte_out(sc, REVO51_PT2258S_SDA,
622 		    REVO51_PT2258S_SCL, attn);
623 
624 		/* 10's digit */
625 		attn = data / 10;
626 		attn += xlat[addr] - 0x10;
627 		envy_gpio_i2c_byte_out(sc, REVO51_PT2258S_SDA,
628 		    REVO51_PT2258S_SCL, attn);
629 	}
630 
631 	envy_gpio_i2c_stop_bit(sc, REVO51_PT2258S_SDA, REVO51_PT2258S_SCL);
632 }
633 
634 /*
635  * Generic AC'97 initialization
636  */
637 
638 void
639 envy_ac97_init(struct envy_softc *sc)
640 {
641 	sc->isac97 = 1;
642 	sc->host_if.arg = sc;
643 	sc->host_if.attach = envy_ac97_attach_codec;
644 	sc->host_if.read = envy_ac97_read_codec;
645 	sc->host_if.write = envy_ac97_write_codec;
646 	sc->host_if.reset = envy_ac97_reset_codec;
647 	sc->host_if.flags = envy_ac97_flags_codec;
648 
649 	if (ac97_attach(&sc->host_if) != 0)
650 		printf("%s: can't attach ac97\n", DEVNAME(sc));
651 }
652 
653 /*
654  * Dynex
655  */
656 
657 void
658 dynex_sc51_init(struct envy_softc *sc)
659 {
660 	sc->codec_flags |= AC97_HOST_VT1616_DYNEX;
661 	envy_ac97_init(sc);
662 }
663 
664 /*
665  * ESI Julia specific code
666  */
667 
668 void
669 julia_init(struct envy_softc *sc)
670 {
671 	int i;
672 
673 	envy_codec_write(sc, 0, 0, 0);	/* reset */
674 	delay(300);
675 	envy_codec_write(sc, 0, 0, 0x87);	/* i2s mode */
676 	for (i = 0; i < sc->card->noch; i++) {
677 		sc->shadow[0][AK4358_ATT(i)] = 0xff;
678 	}
679 }
680 
681 void
682 julia_codec_write(struct envy_softc *sc, int dev, int addr, int data)
683 {
684 #define JULIA_AK4358_ADDR	0x11
685 	envy_i2c_write(sc, JULIA_AK4358_ADDR, addr, data);
686 }
687 
688 /*
689  * unknown card, ignore codecs setup and hope it works with the power on
690  * settings
691  */
692 
693 void
694 unkenvy_init(struct envy_softc *sc)
695 {
696 }
697 
698 void
699 unkenvy_codec_write(struct envy_softc *sc, int dev, int addr, int data)
700 {
701 }
702 
703 int
704 unkenvy_codec_ndev(struct envy_softc *sc)
705 {
706 	return 0;
707 }
708 
709 /*
710  * AK 4358 DAC specific code
711  */
712 int
713 ak4358_dac_ndev(struct envy_softc *sc)
714 {
715 	/* 1 volume knob per channel */
716 	return sc->card->noch;
717 }
718 
719 void
720 ak4358_dac_devinfo(struct envy_softc *sc, struct mixer_devinfo *dev, int idx)
721 {
722 	dev->type = AUDIO_MIXER_VALUE;
723 	dev->mixer_class = ENVY_MIX_CLASSOUT;
724 	dev->un.v.delta = 2;
725 	dev->un.v.num_channels = 1;
726 	snprintf(dev->label.name, MAX_AUDIO_DEV_LEN,
727 	    AudioNline "-%d", idx);
728 	strlcpy(dev->un.v.units.name, AudioNvolume,
729 	    MAX_AUDIO_DEV_LEN);
730 }
731 
732 void
733 ak4358_dac_get(struct envy_softc *sc, struct mixer_ctrl *ctl, int idx)
734 {
735 	int val;
736 
737 	val = envy_codec_read(sc, 0, AK4358_ATT(idx)) & ~AK4358_ATT_EN;
738 	ctl->un.value.num_channels = 1;
739 	ctl->un.value.level[0] = 2 * val;
740 }
741 
742 int
743 ak4358_dac_set(struct envy_softc *sc, struct mixer_ctrl *ctl, int idx)
744 {
745 	int val;
746 
747 	if (ctl->un.value.num_channels != 1)
748 		return EINVAL;
749 	val = ctl->un.value.level[0] / 2;
750 	envy_codec_write(sc, 0, AK4358_ATT(idx), val | AK4358_ATT_EN);
751 	return 0;
752 }
753 
754 /*
755  * AK 4524 DAC specific code
756  */
757 int
758 ak4524_dac_ndev(struct envy_softc *sc)
759 {
760 	/* 1 mute + 2 volume knobs per channel pair */
761 	return 3 * (sc->card->noch / 2);
762 }
763 
764 void
765 ak4524_dac_devinfo(struct envy_softc *sc, struct mixer_devinfo *dev, int idx)
766 {
767 	int ndev;
768 
769 	ndev = sc->card->noch;
770 	if (idx < ndev) {
771 		dev->type = AUDIO_MIXER_VALUE;
772 		dev->mixer_class = ENVY_MIX_CLASSOUT;
773 		dev->un.v.delta = 2;
774 		dev->un.v.num_channels = 1;
775 		snprintf(dev->label.name, MAX_AUDIO_DEV_LEN,
776 		    AudioNline "-%d", idx);
777 		strlcpy(dev->un.v.units.name, AudioNvolume,
778 		    MAX_AUDIO_DEV_LEN);
779 	} else {
780 		idx -= ndev;
781 		dev->type = AUDIO_MIXER_ENUM;
782 		dev->mixer_class = ENVY_MIX_CLASSOUT;
783 		dev->un.e.member[0].ord = 0;
784 		strlcpy(dev->un.e.member[0].label.name, AudioNoff,
785 		    MAX_AUDIO_DEV_LEN);
786 		dev->un.e.member[1].ord = 1;
787 		strlcpy(dev->un.e.member[1].label.name, AudioNon,
788 		   MAX_AUDIO_DEV_LEN);
789 		dev->un.e.num_mem = 2;
790 		snprintf(dev->label.name, MAX_AUDIO_DEV_LEN,
791 		    AudioNline "-%d:%d_" AudioNmute, 2 * idx, 2 * idx + 1);
792 	}
793 }
794 
795 void
796 ak4524_dac_get(struct envy_softc *sc, struct mixer_ctrl *ctl, int idx)
797 {
798 	int val, ndev;
799 
800 	ndev = sc->card->noch;
801 	if (idx < ndev) {
802 		val = envy_codec_read(sc, idx / 2,
803 		    (idx % 2) + AK4524_DAC_GAIN0);
804 		ctl->un.value.num_channels = 1;
805 		ctl->un.value.level[0] = 2 * val;
806 	} else {
807 		idx -= ndev;
808 		val = envy_codec_read(sc, idx, AK4524_DEEMVOL);
809 		ctl->un.ord = (val & AK4524_MUTE) ? 1 : 0;
810 	}
811 }
812 
813 int
814 ak4524_dac_set(struct envy_softc *sc, struct mixer_ctrl *ctl, int idx)
815 {
816 	int val, ndev;
817 
818 	ndev = sc->card->noch;
819 	if (idx < ndev) {
820 		if (ctl->un.value.num_channels != 1)
821 			return EINVAL;
822 		val = ctl->un.value.level[0] / 2;
823 		envy_codec_write(sc, idx / 2,
824 		    (idx % 2) + AK4524_DAC_GAIN0, val);
825 	} else {
826 		idx -= ndev;
827 		if (ctl->un.ord >= 2)
828 			return EINVAL;
829 		val = AK4524_DEEM_OFF | (ctl->un.ord ? AK4524_MUTE : 0);
830 		envy_codec_write(sc, idx, AK4524_DEEMVOL, val);
831 	}
832 	return 0;
833 }
834 
835 /*
836  * AK 4524 ADC specific code
837  */
838 int
839 ak4524_adc_ndev(struct envy_softc *sc)
840 {
841 	/* one volume per channel */
842 	return sc->card->nich;
843 }
844 
845 void
846 ak4524_adc_devinfo(struct envy_softc *sc, struct mixer_devinfo *dev, int idx)
847 {
848 	dev->type = AUDIO_MIXER_VALUE;
849 	dev->mixer_class = ENVY_MIX_CLASSIN;
850 	dev->un.v.delta = 2;
851 	dev->un.v.num_channels = 1;
852 	snprintf(dev->label.name, MAX_AUDIO_DEV_LEN, AudioNline "-%d", idx);
853 	strlcpy(dev->un.v.units.name, AudioNvolume, MAX_AUDIO_DEV_LEN);
854 }
855 
856 void
857 ak4524_adc_get(struct envy_softc *sc, struct mixer_ctrl *ctl, int idx)
858 {
859 	int val;
860 
861 	val = envy_codec_read(sc, idx / 2, (idx % 2) + AK4524_ADC_GAIN0);
862 	ctl->un.value.num_channels = 1;
863 	ctl->un.value.level[0] = 2 * val;
864 }
865 
866 int
867 ak4524_adc_set(struct envy_softc *sc, struct mixer_ctrl *ctl, int idx)
868 {
869 	int val;
870 
871 	if (ctl->un.value.num_channels != 1)
872 		return EINVAL;
873 	val = ctl->un.value.level[0] / 2;
874 	envy_codec_write(sc, idx / 2, (idx % 2) + AK4524_ADC_GAIN0, val);
875 	return 0;
876 }
877 
878 /*
879  * AK 5365 ADC specific code
880  */
881 int
882 ak5365_adc_ndev(struct envy_softc *sc)
883 {
884 	/* 1 source + 2 volume knobs per channel pair */
885 	return (sc->card->nich + 1);
886 }
887 
888 void
889 ak5365_adc_devinfo(struct envy_softc *sc, struct mixer_devinfo *dev, int idx)
890 {
891 	int ndev, i;
892 
893 	ndev = sc->card->nich;
894 	if (idx < ndev) {
895 		dev->type = AUDIO_MIXER_VALUE;
896 		dev->mixer_class = ENVY_MIX_CLASSIN;
897 		dev->un.v.delta = 2;
898 		dev->un.v.num_channels = 1;
899 		snprintf(dev->label.name, MAX_AUDIO_DEV_LEN,
900 		    AudioNline "-%d", idx);
901 		strlcpy(dev->un.v.units.name, AudioNvolume,
902 		    MAX_AUDIO_DEV_LEN);
903 	} else {
904 		dev->type = AUDIO_MIXER_ENUM;
905 		dev->mixer_class = ENVY_MIX_CLASSIN;
906 		for (i = 0; i < 5; i++) {
907 			dev->un.e.member[i].ord = i;
908 			snprintf(dev->un.e.member[i].label.name,
909 			    MAX_AUDIO_DEV_LEN, AudioNline "-%d", i);
910 		}
911 		dev->un.e.num_mem = 5;
912 		strlcpy(dev->label.name, AudioNsource,
913 		    MAX_AUDIO_DEV_LEN);
914 	}
915 }
916 
917 void
918 ak5365_adc_get(struct envy_softc *sc, struct mixer_ctrl *ctl, int idx)
919 {
920 	int val, ndev;
921 
922 	ndev = sc->card->nich;
923 	if (idx < ndev) {
924 		val = envy_codec_read(sc, 1, AK5365_ATT(idx));
925 		ctl->un.value.num_channels = 1;
926 		ctl->un.value.level[0] = 2 * val;
927 	} else {
928 		ctl->un.ord = envy_codec_read(sc, 1, AK5365_SRC);
929 	}
930 }
931 
932 int
933 ak5365_adc_set(struct envy_softc *sc, struct mixer_ctrl *ctl, int idx)
934 {
935 	int val, ndev;
936 
937 	ndev = sc->card->nich;
938 	if (idx < ndev) {
939 		if (ctl->un.value.num_channels != 1)
940 			return EINVAL;
941 		val = ctl->un.value.level[0] / 2;
942 		envy_codec_write(sc, 1, AK5365_ATT(idx), val);
943 	} else {
944 		if (ctl->un.ord >= 5)
945 			return EINVAL;
946 		val = ctl->un.ord & AK5365_SRC_MASK;
947 		envy_codec_write(sc, 1, AK5365_SRC, val);
948 	}
949 	return 0;
950 }
951 
952 /*
953  * generic Envy24 and Envy24HT code, common to all cards
954  */
955 
956 int
957 envy_ccs_read(struct envy_softc *sc, int reg)
958 {
959 	int val;
960 
961 	val = bus_space_read_1(sc->ccs_iot, sc->ccs_ioh, reg);
962 	bus_space_barrier(sc->ccs_iot, sc->ccs_ioh, 0, sc->ccs_iosz,
963 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
964 	return val;
965 }
966 
967 void
968 envy_ccs_write(struct envy_softc *sc, int reg, int val)
969 {
970 	bus_space_write_1(sc->ccs_iot, sc->ccs_ioh, reg, val);
971 	bus_space_barrier(sc->ccs_iot, sc->ccs_ioh, 0, sc->ccs_iosz,
972 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
973 }
974 
975 int
976 envy_mt_read_1(struct envy_softc *sc, int reg)
977 {
978 	int val;
979 
980 	val = bus_space_read_1(sc->mt_iot, sc->mt_ioh, reg);
981 	bus_space_barrier(sc->mt_iot, sc->mt_ioh, 0, sc->mt_iosz,
982 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
983 	return val;
984 }
985 
986 void
987 envy_mt_write_1(struct envy_softc *sc, int reg, int val)
988 {
989 	bus_space_write_1(sc->mt_iot, sc->mt_ioh, reg, val);
990 	bus_space_barrier(sc->mt_iot, sc->mt_ioh, 0, sc->mt_iosz,
991 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
992 }
993 
994 int
995 envy_mt_read_2(struct envy_softc *sc, int reg)
996 {
997 	int val;
998 
999 	val = bus_space_read_2(sc->mt_iot, sc->mt_ioh, reg);
1000 	bus_space_barrier(sc->mt_iot, sc->mt_ioh, 0, sc->mt_iosz,
1001 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
1002 	return val;
1003 }
1004 
1005 void
1006 envy_mt_write_2(struct envy_softc *sc, int reg, int val)
1007 {
1008 	bus_space_write_2(sc->mt_iot, sc->mt_ioh, reg, val);
1009 	bus_space_barrier(sc->mt_iot, sc->mt_ioh, 0, sc->mt_iosz,
1010 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
1011 }
1012 
1013 int
1014 envy_mt_read_4(struct envy_softc *sc, int reg)
1015 {
1016 	int val;
1017 
1018 	val = bus_space_read_4(sc->mt_iot, sc->mt_ioh, reg);
1019 	bus_space_barrier(sc->mt_iot, sc->mt_ioh, 0, sc->mt_iosz,
1020 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
1021 	return val;
1022 }
1023 
1024 void
1025 envy_mt_write_4(struct envy_softc *sc, int reg, int val)
1026 {
1027 	bus_space_write_4(sc->mt_iot, sc->mt_ioh, reg, val);
1028 	bus_space_barrier(sc->mt_iot, sc->mt_ioh, 0, sc->mt_iosz,
1029 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
1030 }
1031 
1032 int
1033 envy_cci_read(struct envy_softc *sc, int index)
1034 {
1035 	int val;
1036 
1037 	envy_ccs_write(sc, ENVY_CCI_INDEX, index);
1038 	val = envy_ccs_read(sc, ENVY_CCI_DATA);
1039 	return val;
1040 }
1041 
1042 void
1043 envy_cci_write(struct envy_softc *sc, int index, int data)
1044 {
1045 	envy_ccs_write(sc, ENVY_CCI_INDEX, index);
1046 	envy_ccs_write(sc, ENVY_CCI_DATA, data);
1047 }
1048 
1049 int
1050 envy_gpio_getstate(struct envy_softc *sc)
1051 {
1052 	if (sc->isht) {
1053 		return envy_ccs_read(sc, ENVY_CCS_GPIODATA0) |
1054 		    (envy_ccs_read(sc, ENVY_CCS_GPIODATA1) << 8) |
1055 		    (envy_ccs_read(sc, ENVY_CCS_GPIODATA2) << 16);
1056 	} else
1057 		return envy_cci_read(sc, ENVY_CCI_GPIODATA);
1058 }
1059 
1060 void
1061 envy_gpio_setstate(struct envy_softc *sc, int reg)
1062 {
1063 	if (sc->isht) {
1064 		envy_ccs_write(sc, ENVY_CCS_GPIODATA0, reg & 0xff);
1065 		envy_ccs_write(sc, ENVY_CCS_GPIODATA1, (reg >> 8) & 0xff);
1066 		envy_ccs_write(sc, ENVY_CCS_GPIODATA2, (reg >> 16) & 0xff);
1067 	} else
1068 		envy_cci_write(sc, ENVY_CCI_GPIODATA, reg);
1069 }
1070 
1071 int
1072 envy_gpio_getmask(struct envy_softc *sc)
1073 {
1074 	if (sc->isht) {
1075 		return envy_ccs_read(sc, ENVY_CCS_GPIOMASK0) |
1076 		    (envy_ccs_read(sc, ENVY_CCS_GPIOMASK1) << 8) |
1077 		    (envy_ccs_read(sc, ENVY_CCS_GPIOMASK2) << 16);
1078 	} else
1079 		return envy_cci_read(sc, ENVY_CCI_GPIOMASK);
1080 }
1081 
1082 void
1083 envy_gpio_setmask(struct envy_softc *sc, int mask)
1084 {
1085 	if (sc->isht) {
1086 		envy_ccs_write(sc, ENVY_CCS_GPIOMASK0, mask & 0xff);
1087 		envy_ccs_write(sc, ENVY_CCS_GPIOMASK1, (mask >> 8) & 0xff);
1088 		envy_ccs_write(sc, ENVY_CCS_GPIOMASK2, (mask >> 16) & 0xff);
1089 	} else
1090 		envy_cci_write(sc, ENVY_CCI_GPIOMASK, mask);
1091 }
1092 
1093 int
1094 envy_gpio_getdir(struct envy_softc *sc)
1095 {
1096 	if (sc->isht) {
1097 		return envy_ccs_read(sc, ENVY_CCS_GPIODIR0) |
1098 		    (envy_ccs_read(sc, ENVY_CCS_GPIODIR1) << 8) |
1099 		    (envy_ccs_read(sc, ENVY_CCS_GPIODIR2) << 16);
1100 	} else
1101 		return envy_cci_read(sc, ENVY_CCI_GPIODIR);
1102 }
1103 
1104 void
1105 envy_gpio_setdir(struct envy_softc *sc, int dir)
1106 {
1107 	if (sc->isht) {
1108 		envy_ccs_write(sc, ENVY_CCS_GPIODIR0, dir & 0xff);
1109 		envy_ccs_write(sc, ENVY_CCS_GPIODIR1, (dir >> 8) & 0xff);
1110 		envy_ccs_write(sc, ENVY_CCS_GPIODIR2, (dir >> 16) & 0xff);
1111 	} else
1112 		envy_cci_write(sc, ENVY_CCI_GPIODIR, dir);
1113 }
1114 
1115 void
1116 envy_gpio_i2c_start_bit(struct envy_softc *sc, int sda, int scl)
1117 {
1118 	int reg;
1119 
1120 	reg = envy_gpio_getstate(sc);
1121 	reg |= (sda | scl);
1122 	envy_gpio_setstate(sc, reg);
1123 	delay(5);
1124 	reg &= ~sda;
1125 	envy_gpio_setstate(sc, reg);
1126 	delay(4);
1127 	reg &= ~scl;
1128 	envy_gpio_setstate(sc, reg);
1129 	delay(5);
1130 }
1131 
1132 void
1133 envy_gpio_i2c_stop_bit(struct envy_softc *sc, int sda, int scl)
1134 {
1135 	int reg;
1136 
1137 	reg = envy_gpio_getstate(sc);
1138 	reg &= ~sda;
1139 	reg |= scl;
1140 	envy_gpio_setstate(sc, reg);
1141 	delay(4);
1142 	reg |= sda;
1143 	envy_gpio_setstate(sc, reg);
1144 }
1145 
1146 void
1147 envy_gpio_i2c_byte_out(struct envy_softc *sc, int sda, int scl, int val)
1148 {
1149 	int mask, reg;
1150 
1151 	reg = envy_gpio_getstate(sc);
1152 
1153 	for (mask = 0x80; mask != 0; mask >>= 1) {
1154 		reg &= ~sda;
1155 		reg |= (val & mask) ? sda : 0;
1156 		envy_gpio_setstate(sc, reg);
1157 		delay(1);
1158 		reg |= scl;
1159 		envy_gpio_setstate(sc, reg);
1160 		delay(4);
1161 		reg &= ~scl;
1162 		envy_gpio_setstate(sc, reg);
1163 		delay(5);
1164 	}
1165 
1166 	reg |= scl;
1167 	envy_gpio_setstate(sc, reg);
1168 	delay(4);
1169 	reg &= ~scl;
1170 	envy_gpio_setstate(sc, reg);
1171 	delay(5);
1172 }
1173 
1174 void
1175 envy_i2c_wait(struct envy_softc *sc)
1176 {
1177 	int timeout = 50, st;
1178 
1179 	for (;;) {
1180 		st = envy_ccs_read(sc, ENVY_I2C_CTL);
1181 		if (!(st & ENVY_I2C_CTL_BUSY))
1182 			break;
1183 		if (timeout == 0) {
1184 			printf("%s: i2c busy timeout\n", DEVNAME(sc));
1185 			break;
1186 		}
1187 		delay(50);
1188 		timeout--;
1189 	}
1190 }
1191 
1192 int
1193 envy_i2c_read(struct envy_softc *sc, int dev, int addr)
1194 {
1195 	envy_i2c_wait(sc);
1196 	envy_ccs_write(sc, ENVY_I2C_ADDR, addr);
1197 	envy_i2c_wait(sc);
1198 	envy_ccs_write(sc, ENVY_I2C_DEV, dev << 1);
1199 	envy_i2c_wait(sc);
1200 	return envy_ccs_read(sc, ENVY_I2C_DATA);
1201 }
1202 
1203 void
1204 envy_i2c_write(struct envy_softc *sc, int dev, int addr, int data)
1205 {
1206 	if (dev == 0x50) {
1207 		printf("%s: writing on eeprom is evil...\n", DEVNAME(sc));
1208 		return;
1209 	}
1210 	envy_i2c_wait(sc);
1211 	envy_ccs_write(sc, ENVY_I2C_ADDR, addr);
1212 	envy_i2c_wait(sc);
1213 	envy_ccs_write(sc, ENVY_I2C_DATA, data);
1214 	envy_i2c_wait(sc);
1215 	envy_ccs_write(sc, ENVY_I2C_DEV, (dev << 1) | 1);
1216 }
1217 
1218 int
1219 envy_codec_read(struct envy_softc *sc, int dev, int addr) {
1220 	return sc->shadow[dev][addr];
1221 }
1222 
1223 void
1224 envy_codec_write(struct envy_softc *sc, int dev, int addr, int data)
1225 {
1226 	DPRINTFN(2, "envy_codec_write: %d, %d, 0x%x\n", dev, addr, data);
1227 	sc->shadow[dev][addr] = data;
1228 	sc->card->codec_write(sc, dev, addr, data);
1229 }
1230 
1231 int
1232 envy_eeprom_gpioxxx(struct envy_softc *sc, int addr)
1233 {
1234 	int val;
1235 
1236 	val = sc->eeprom[addr];
1237 	if (sc->isht) {
1238 		val |= sc->eeprom[++addr] << 8;
1239 		val |= sc->eeprom[++addr] << 16;
1240 	}
1241 	return val;
1242 }
1243 
1244 int
1245 envy_ac97_wait(struct envy_softc *sc)
1246 {
1247 	int timeout = 50, st;
1248 
1249 	for (;;) {
1250 		st = envy_mt_read_1(sc, ENVY_MT_AC97_CMD);
1251 		if ((st & ENVY_MT_AC97_READY) && !(st & ENVY_MT_AC97_CMD_MASK)) {
1252 			st = 0;
1253 			break;
1254 		}
1255 		if (timeout == 0) {
1256 			st = -1;
1257 			break;
1258 		}
1259 		delay(50);
1260 		timeout--;
1261 	}
1262 
1263 	return (st);
1264 }
1265 
1266 int
1267 envy_ac97_attach_codec(void *hdl, struct ac97_codec_if *codec_if)
1268 {
1269 	struct envy_softc *sc = hdl;
1270 
1271 	sc->codec_if = codec_if;
1272 
1273 	return (0);
1274 }
1275 
1276 int
1277 envy_ac97_read_codec(void *hdl, u_int8_t reg, u_int16_t *result)
1278 {
1279 	struct envy_softc *sc = hdl;
1280 
1281 	if (envy_ac97_wait(sc)) {
1282 		printf("%s: envy_ac97_read_codec: timed out\n", DEVNAME(sc));
1283 		return (-1);
1284 	}
1285 
1286 	envy_mt_write_1(sc, ENVY_MT_AC97_IDX, reg & 0x7f);
1287 	envy_mt_write_1(sc, ENVY_MT_AC97_CMD,
1288 	    ENVY_MT_AC97_CMD_RD);
1289 	delay(50);
1290 
1291 	if (envy_ac97_wait(sc)) {
1292 		printf("%s: envy_ac97_read_codec: timed out\n", DEVNAME(sc));
1293 		return (-1);
1294 	}
1295 
1296 	*result = envy_mt_read_2(sc, ENVY_MT_AC97_DATA);
1297 
1298 	return (0);
1299 }
1300 
1301 int
1302 envy_ac97_write_codec(void *hdl, u_int8_t reg, u_int16_t data)
1303 {
1304 	struct envy_softc *sc = hdl;
1305 
1306 	if (envy_ac97_wait(sc)) {
1307 		printf("%s: envy_ac97_write_codec: timed out\n", DEVNAME(sc));
1308 		return (-1);
1309 	}
1310 
1311 	envy_mt_write_1(sc, ENVY_MT_AC97_IDX, reg & 0x7f);
1312 	envy_mt_write_2(sc, ENVY_MT_AC97_DATA, data);
1313 	envy_mt_write_1(sc, ENVY_MT_AC97_CMD,
1314 	    ENVY_MT_AC97_CMD_WR);
1315 	delay(50);
1316 
1317 	return (0);
1318 }
1319 
1320 void
1321 envy_ac97_reset_codec(void *hdl)
1322 {
1323 	struct envy_softc *sc = hdl;
1324 
1325 	envy_mt_write_1(sc, ENVY_MT_AC97_CMD, ENVY_MT_AC97_CMD_RST);
1326 	delay(50);
1327 	envy_mt_write_1(sc, ENVY_MT_AC97_CMD, 0);
1328 	delay(50);
1329 
1330 	if (envy_ac97_wait(sc)) {
1331 		printf("%s: envy_ac97_reset_codec: timed out\n", DEVNAME(sc));
1332 	}
1333 
1334 	return;
1335 }
1336 
1337 enum ac97_host_flags
1338 envy_ac97_flags_codec(void *hdl)
1339 {
1340 	struct envy_softc *sc = hdl;
1341 
1342 	return (sc->codec_flags);
1343 }
1344 
1345 void
1346 envy_midi_wait(struct envy_softc *sc)
1347 {
1348 	int i, st;
1349 
1350 	for (i = 100;; i--) {
1351 		st = envy_ccs_read(sc, ENVY_CCS_MIDISTAT0);
1352 		if (!(st & ENVY_MIDISTAT_OBUSY(sc)))
1353 			break;
1354 		if (i == 0) {
1355 			printf("%s: midi wait timeout\n", DEVNAME(sc));
1356 			break;
1357 		}
1358 		delay(10);
1359 	}
1360 }
1361 
1362 void
1363 envy_reset(struct envy_softc *sc)
1364 {
1365 	int i, reg;
1366 
1367 	/*
1368 	 * full reset
1369 	 */
1370 	envy_ccs_write(sc, ENVY_CTL, ENVY_CTL_RESET | ENVY_CTL_NATIVE);
1371 	delay(200);
1372 	envy_ccs_write(sc, ENVY_CTL, ENVY_CTL_NATIVE);
1373 	delay(200);
1374 
1375 	/*
1376 	 * read EEPROM using i2c device or from a static array
1377 	 */
1378 	if (sc->card->eeprom == NULL) {
1379 		for (i = 0; i < ENVY_EEPROM_MAXSZ; i++) {
1380 			sc->eeprom[i] = envy_i2c_read(sc, ENVY_I2C_DEV_EEPROM, i);
1381 		}
1382 #ifdef ENVY_DEBUG
1383 		printf("%s: eeprom: ", DEVNAME(sc));
1384 		for (i = 0; i < ENVY_EEPROM_MAXSZ; i++) {
1385 			printf(" %02x", (unsigned)sc->eeprom[i]);
1386 		}
1387 		printf("\n");
1388 #endif
1389 	} else
1390 		memcpy(sc->eeprom, sc->card->eeprom, ENVY_EEPROM_MAXSZ);
1391 
1392 	/*
1393 	 * write EEPROM values to corresponding registers
1394 	 */
1395 	if (sc->isht) {
1396 		envy_ccs_write(sc, ENVY_CCS_CONF,
1397 		    sc->eeprom[ENVY_EEPROM_CONF]);
1398 		envy_ccs_write(sc, ENVY_CCS_ACLINK,
1399 		    sc->eeprom[ENVY_EEPROM_ACLINK]);
1400 		envy_ccs_write(sc, ENVY_CCS_I2S,
1401 		    sc->eeprom[ENVY_EEPROM_I2S]);
1402 		envy_ccs_write(sc, ENVY_CCS_SPDIF,
1403 		    sc->eeprom[ENVY_EEPROM_SPDIF]);
1404 	} else {
1405 		pci_conf_write(sc->pci_pc, sc->pci_tag, ENVY_CONF,
1406 		    sc->eeprom[ENVY_EEPROM_CONF] |
1407 		    (sc->eeprom[ENVY_EEPROM_ACLINK] << 8) |
1408 		    (sc->eeprom[ENVY_EEPROM_I2S] << 16) |
1409 		    (sc->eeprom[ENVY_EEPROM_SPDIF] << 24));
1410 	}
1411 
1412 	envy_gpio_setmask(sc, envy_eeprom_gpioxxx(sc, ENVY_EEPROM_GPIOMASK(sc)));
1413 	envy_gpio_setdir(sc, envy_eeprom_gpioxxx(sc, ENVY_EEPROM_GPIODIR(sc)));
1414 	envy_gpio_setstate(sc, envy_eeprom_gpioxxx(sc, ENVY_EEPROM_GPIOST(sc)));
1415 
1416 	DPRINTF("%s: gpio_mask = %02x\n", DEVNAME(sc),
1417 		envy_gpio_getmask(sc));
1418 	DPRINTF("%s: gpio_dir = %02x\n", DEVNAME(sc),
1419 		envy_gpio_getdir(sc));
1420 	DPRINTF("%s: gpio_state = %02x\n", DEVNAME(sc),
1421 		envy_gpio_getstate(sc));
1422 
1423 	if (sc->isht) {
1424 		/*
1425 		 * set water marks so we get an interrupt for each byte
1426 		 */
1427 		envy_ccs_write(sc, ENVY_CCS_MIDIWAT, 1);
1428 		envy_ccs_write(sc, ENVY_CCS_MIDIWAT, 1 | ENVY_CCS_MIDIWAT_RX);
1429 	}
1430 
1431 	/*
1432 	 * switch to UART mode
1433 	 */
1434 	envy_ccs_write(sc, ENVY_CCS_MIDISTAT0, 0xff);
1435 	envy_midi_wait(sc);
1436 	envy_ccs_write(sc, ENVY_CCS_MIDISTAT0, ENVY_MIDISTAT_UART);
1437 	envy_midi_wait(sc);
1438 	if (!sc->isht)
1439 		(void)envy_ccs_read(sc, ENVY_CCS_MIDIDATA0);
1440 
1441 	/*
1442 	 * clear all interrupts and unmask used ones
1443 	 */
1444 	envy_ccs_write(sc, ENVY_CCS_INTSTAT, 0xff);
1445 	reg = ~ENVY_CCS_INT_MT;
1446 	if (sc->midi_isopen)
1447 		reg &= ~ENVY_CCS_INT_MIDI0;
1448 	envy_ccs_write(sc, ENVY_CCS_INTMASK, ~ENVY_CCS_INT_MT);
1449 	if (sc->isht) {
1450 		envy_mt_write_1(sc, ENVY_MT_NSTREAM, 4 - sc->card->noch / 2);
1451 		envy_mt_write_1(sc, ENVY_MT_IMASK, ~(ENVY_MT_IMASK_PDMA0 |
1452 		    ENVY_MT_IMASK_RDMA0 | ENVY_MT_IMASK_ERR));
1453 	}
1454 	sc->iactive = 0;
1455 	sc->oactive = 0;
1456 	sc->card->init(sc);
1457 }
1458 
1459 int
1460 envy_lineout_getsrc(struct envy_softc *sc, int out)
1461 {
1462 	int reg, shift, src;
1463 
1464 	if (sc->isht) {
1465 		reg = envy_mt_read_4(sc, ENVY_MT_HTSRC);
1466 		DPRINTF("%s: outsrc=%x\n", DEVNAME(sc), reg);
1467 		shift = 3 * (out / 2) + ((out & 1) ? 20 : 8);
1468 		src = (reg >> shift) & ENVY_MT_HTSRC_MASK;
1469 		if (src == ENVY_MT_HTSRC_DMA) {
1470 			return ENVY_MIX_OUTSRC_DMA;
1471 		} else {
1472 			src -= ENVY_MT_HTSRC_LINE;
1473 			return ENVY_MIX_OUTSRC_LINEIN + src;
1474 		}
1475 	}
1476 
1477 	reg = envy_mt_read_2(sc, ENVY_MT_OUTSRC);
1478 	DPRINTF("%s: outsrc=%x\n", DEVNAME(sc), reg);
1479 	shift = (out  & 1) ? (out & ~1) + 8 : out;
1480 	src = (reg >> shift) & 3;
1481 	if (src == ENVY_MT_OUTSRC_DMA) {
1482 		return ENVY_MIX_OUTSRC_DMA;
1483 	} else if (src == ENVY_MT_OUTSRC_MON) {
1484 		return ENVY_MIX_OUTSRC_MON;
1485 	}
1486 	reg = envy_mt_read_4(sc, ENVY_MT_INSEL);
1487 	DPRINTF("%s: insel=%x\n", DEVNAME(sc), reg);
1488 	reg = (reg >> (out * 4)) & 0xf;
1489 	if (src == ENVY_MT_OUTSRC_LINE)
1490 		return ENVY_MIX_OUTSRC_LINEIN + (reg & 7);
1491 	else
1492 		return ENVY_MIX_OUTSRC_SPDIN + (reg >> 3);
1493 }
1494 
1495 void
1496 envy_lineout_setsrc(struct envy_softc *sc, int out, int src)
1497 {
1498 	int reg, shift, mask, sel;
1499 
1500 	if (sc->isht) {
1501 		if (src < ENVY_MIX_OUTSRC_SPDIN) {
1502 			sel = ENVY_MT_HTSRC_LINE;
1503 			sel += src;
1504 		} else if (src < ENVY_MIX_OUTSRC_DMA) {
1505 			sel = ENVY_MT_HTSRC_SPD;
1506 			sel += src - ENVY_MIX_OUTSRC_SPDIN;
1507 		} else {
1508 			sel = ENVY_MT_HTSRC_DMA;
1509 		}
1510 		shift = 3 * (out / 2) + ((out & 1) ? 20 : 8);
1511 		mask = ENVY_MT_HTSRC_MASK << shift;
1512 		reg = envy_mt_read_4(sc, ENVY_MT_HTSRC);
1513 		reg = (reg & ~mask) | (sel << shift);
1514 		envy_mt_write_4(sc, ENVY_MT_HTSRC, reg);
1515 		DPRINTF("%s: outsrc <- %x\n", DEVNAME(sc), reg);
1516 		return;
1517 	}
1518 
1519 	if (src < ENVY_MIX_OUTSRC_DMA) {
1520 		/*
1521 		 * linein and spdin are used as output source so we
1522 		 * must select the input source channel number
1523 		 */
1524 		if (src < ENVY_MIX_OUTSRC_SPDIN)
1525 			sel = src - ENVY_MIX_OUTSRC_LINEIN;
1526 		else
1527 			sel = (src - ENVY_MIX_OUTSRC_SPDIN) << 3;
1528 
1529 		shift = out * ENVY_MT_INSEL_BITS;
1530 		mask = ENVY_MT_INSEL_MASK << shift;
1531 		reg = envy_mt_read_4(sc, ENVY_MT_INSEL);
1532 		reg = (reg & ~mask) | (sel << shift);
1533 		envy_mt_write_4(sc, ENVY_MT_INSEL, reg);
1534 		DPRINTF("%s: insel <- %x\n", DEVNAME(sc), reg);
1535 	}
1536 
1537 	/*
1538 	 * set the lineout route register
1539 	 */
1540 	if (src < ENVY_MIX_OUTSRC_SPDIN) {
1541 		sel = ENVY_MT_OUTSRC_LINE;
1542 	} else if (src < ENVY_MIX_OUTSRC_DMA) {
1543 		sel = ENVY_MT_OUTSRC_SPD;
1544 	} else if (src == ENVY_MIX_OUTSRC_DMA) {
1545 		sel = ENVY_MT_OUTSRC_DMA;
1546 	} else {
1547 		sel = ENVY_MT_OUTSRC_MON;
1548 	}
1549 	shift = (out  & 1) ? (out & ~1) + 8 : out;
1550 	mask = ENVY_MT_OUTSRC_MASK << shift;
1551 	reg = envy_mt_read_2(sc, ENVY_MT_OUTSRC);
1552 	reg = (reg & ~mask) | (sel << shift);
1553 	envy_mt_write_2(sc, ENVY_MT_OUTSRC, reg);
1554 	DPRINTF("%s: outsrc <- %x\n", DEVNAME(sc), reg);
1555 }
1556 
1557 
1558 int
1559 envy_spdout_getsrc(struct envy_softc *sc, int out)
1560 {
1561 	int reg, src, sel;
1562 
1563 	reg = envy_mt_read_2(sc, ENVY_MT_SPDROUTE);
1564 	DPRINTF("%s: spdroute=%x\n", DEVNAME(sc), reg);
1565 	src = (out == 0) ? reg : reg >> 2;
1566 	src &= ENVY_MT_SPDSRC_MASK;
1567 	if (src == ENVY_MT_SPDSRC_DMA) {
1568 		return ENVY_MIX_OUTSRC_DMA;
1569 	} else if (src == ENVY_MT_SPDSRC_MON) {
1570 		return ENVY_MIX_OUTSRC_MON;
1571 	}
1572 
1573 	sel = (out == 0) ? reg >> 8 : reg >> 12;
1574 	sel &= ENVY_MT_SPDSEL_MASK;
1575 	if (src == ENVY_MT_SPDSRC_LINE)
1576 		return ENVY_MIX_OUTSRC_LINEIN + (sel & 7);
1577 	else
1578 		return ENVY_MIX_OUTSRC_SPDIN + (sel >> 3);
1579 }
1580 
1581 void
1582 envy_spdout_setsrc(struct envy_softc *sc, int out, int src)
1583 {
1584 	int reg, shift, mask, sel;
1585 
1586 	reg = envy_mt_read_2(sc, ENVY_MT_SPDROUTE);
1587 	if (src < ENVY_MIX_OUTSRC_DMA) {
1588 		/*
1589 		 * linein and spdin are used as output source so we
1590 		 * must select the input source channel number
1591 		 */
1592 		if (src < ENVY_MIX_OUTSRC_SPDIN)
1593 			sel = src - ENVY_MIX_OUTSRC_LINEIN;
1594 		else
1595 			sel = (src - ENVY_MIX_OUTSRC_SPDIN) << 3;
1596 
1597 		shift = 8 + out * ENVY_MT_SPDSEL_BITS;
1598 		mask = ENVY_MT_SPDSEL_MASK << shift;
1599 		reg = (reg & ~mask) | (sel << shift);
1600 	}
1601 
1602 	/*
1603 	 * set the lineout route register
1604 	 */
1605 	if (src < ENVY_MIX_OUTSRC_SPDIN) {
1606 		sel = ENVY_MT_OUTSRC_LINE;
1607 	} else if (src < ENVY_MIX_OUTSRC_DMA) {
1608 		sel = ENVY_MT_OUTSRC_SPD;
1609 	} else if (src == ENVY_MIX_OUTSRC_DMA) {
1610 		sel = ENVY_MT_OUTSRC_DMA;
1611 	} else {
1612 		sel = ENVY_MT_OUTSRC_MON;
1613 	}
1614 	shift = out * 2;
1615 	mask = ENVY_MT_SPDSRC_MASK << shift;
1616 	reg = (reg & ~mask) | (sel << shift);
1617 	envy_mt_write_2(sc, ENVY_MT_SPDROUTE, reg);
1618 	DPRINTF("%s: spdroute <- %x\n", DEVNAME(sc), reg);
1619 }
1620 
1621 void
1622 envy_mon_getvol(struct envy_softc *sc, int idx, int ch, int *val)
1623 {
1624 	int reg;
1625 
1626 	envy_mt_write_2(sc, ENVY_MT_MONIDX, idx);
1627 	reg = envy_mt_read_1(sc, ENVY_MT_MONDATA + ch);
1628 	*val = 0x7f - (reg & 0x7f);
1629 }
1630 
1631 void
1632 envy_mon_setvol(struct envy_softc *sc, int idx, int ch, int val)
1633 {
1634 	int reg;
1635 
1636 	envy_mt_write_2(sc, ENVY_MT_MONIDX, idx);
1637 	reg = 0x7f - val;
1638 	DPRINTF("%s: mon=%d/%d <- %d\n", DEVNAME(sc), reg, ch, val);
1639 	envy_mt_write_1(sc, ENVY_MT_MONDATA + ch, reg);
1640 }
1641 
1642 int
1643 envymatch(struct device *parent, void *match, void *aux)
1644 {
1645 	return pci_matchbyid((struct pci_attach_args *)aux, envy_matchids,
1646 	    sizeof(envy_matchids) / sizeof(envy_matchids[0]));
1647 }
1648 
1649 void
1650 envyattach(struct device *parent, struct device *self, void *aux)
1651 {
1652 	struct envy_softc *sc = (struct envy_softc *)self;
1653 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
1654 	pci_intr_handle_t ih;
1655 	const char *intrstr;
1656 	int subid;
1657 
1658 #if NMIDI > 0
1659 	sc->midi_isopen = 0;
1660 #endif
1661 	sc->pci_tag = pa->pa_tag;
1662 	sc->pci_pc = pa->pa_pc;
1663 	sc->pci_dmat = pa->pa_dmat;
1664 	sc->pci_ih = NULL;
1665 	sc->ibuf.addr = sc->obuf.addr = NULL;
1666 	sc->ccs_iosz = 0;
1667 	sc->mt_iosz = 0;
1668 	sc->isht = (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ICENSEMBLE_VT172x);
1669 
1670 	if (pci_mapreg_map(pa, ENVY_CTL_BAR, PCI_MAPREG_TYPE_IO, 0,
1671 		&sc->ccs_iot, &sc->ccs_ioh, NULL, &sc->ccs_iosz, 0)) {
1672 		printf(": can't map ctl i/o space\n");
1673 		sc->ccs_iosz = 0;
1674 		return;
1675 	}
1676 	if (pci_mapreg_map(pa, ENVY_MT_BAR(sc->isht), PCI_MAPREG_TYPE_IO, 0,
1677 		&sc->mt_iot, &sc->mt_ioh, NULL, &sc->mt_iosz, 0)) {
1678 		printf(": can't map mt i/o space\n");
1679 		sc->mt_iosz = 0;
1680 		return;
1681 	}
1682 	if (pci_intr_map(pa, &ih)) {
1683 		printf(": can't map interrupt\n");
1684 	}
1685 	intrstr = pci_intr_string(sc->pci_pc, ih);
1686 	sc->pci_ih = pci_intr_establish(sc->pci_pc, ih, IPL_AUDIO | IPL_MPSAFE,
1687 	    envy_intr, sc, sc->dev.dv_xname);
1688 	if (sc->pci_ih == NULL) {
1689 		printf(": can't establish interrupt");
1690 		if (intrstr)
1691 			printf(" at %s", intrstr);
1692 		printf("\n");
1693 		return;
1694 	}
1695 	printf(": %s\n", intrstr);
1696 	subid = pci_conf_read(sc->pci_pc, sc->pci_tag, PCI_SUBVEND_0);
1697 	sc->card = sc->isht ? envy_cards_ht : envy_cards;
1698 	while (sc->card->subid != subid) {
1699 		if (sc->card->subid == 0)
1700 			break;
1701 		sc->card++;
1702 	}
1703 	printf("%s: %s, %u inputs, %u outputs\n", DEVNAME(sc),
1704 	    sc->card->name, sc->card->nich, sc->card->noch);
1705 	envy_reset(sc);
1706 	sc->audio = audio_attach_mi(&envy_hw_if, sc, &sc->dev);
1707 #if NMIDI > 0
1708 	if (sc->card->nmidi > 0 && (!sc->isht ||
1709 		sc->eeprom[ENVY_EEPROM_CONF] & ENVY_CONF_MIDI)) {
1710 		sc->midi = midi_attach_mi(&envy_midi_hw_if, sc, &sc->dev);
1711 	}
1712 #endif
1713 }
1714 
1715 int
1716 envydetach(struct device *self, int flags)
1717 {
1718 	struct envy_softc *sc = (struct envy_softc *)self;
1719 
1720 	if (sc->pci_ih != NULL) {
1721 		pci_intr_disestablish(sc->pci_pc, sc->pci_ih);
1722 		sc->pci_ih = NULL;
1723 	}
1724 	if (sc->ccs_iosz) {
1725 		bus_space_unmap(sc->ccs_iot, sc->ccs_ioh, sc->ccs_iosz);
1726 	}
1727 	if (sc->mt_iosz) {
1728 		bus_space_unmap(sc->mt_iot, sc->mt_ioh, sc->mt_iosz);
1729 	}
1730 	return 0;
1731 }
1732 
1733 int
1734 envy_open(void *self, int flags)
1735 {
1736 	return 0;
1737 }
1738 
1739 void
1740 envy_close(void *self)
1741 {
1742 }
1743 
1744 void *
1745 envy_allocm(void *self, int dir, size_t size, int type, int flags)
1746 {
1747 	struct envy_softc *sc = (struct envy_softc *)self;
1748 	int err, basereg, wait;
1749 	struct envy_buf *buf;
1750 	bus_addr_t dma_addr;
1751 
1752 	if (dir == AUMODE_RECORD) {
1753 		buf = &sc->ibuf;
1754 		basereg = ENVY_MT_RADDR;
1755 	} else {
1756 		buf = &sc->obuf;
1757 		basereg = ENVY_MT_PADDR;
1758 	}
1759 	if (buf->addr != NULL) {
1760 		DPRINTF("%s: multiple alloc, dir = %d\n", DEVNAME(sc), dir);
1761 		return NULL;
1762 	}
1763 	buf->size = size;
1764 	wait = (flags & M_NOWAIT) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK;
1765 
1766 #define ENVY_ALIGN	4
1767 #define ENVY_MAXADDR	((1 << 28) - 1)
1768 
1769 	buf->addr = (caddr_t)uvm_km_kmemalloc_pla(kernel_map,
1770 	    uvm.kernel_object, buf->size, 0, UVM_KMF_NOWAIT, 0,
1771 	    (paddr_t)ENVY_MAXADDR, 0, 0, 1);
1772 	if (buf->addr == NULL) {
1773 		DPRINTF("%s: unable to alloc dma segment\n", DEVNAME(sc));
1774 		goto err_ret;
1775 	}
1776 	err = bus_dmamap_create(sc->pci_dmat, buf->size, 1, buf->size, 0,
1777 	    wait, &buf->map);
1778 	if (err) {
1779 		DPRINTF("%s: dmamap_create: failed %d\n", DEVNAME(sc), err);
1780 		goto err_unmap;
1781 	}
1782 	err = bus_dmamap_load(sc->pci_dmat, buf->map, buf->addr,
1783 	    buf->size, NULL, wait);
1784 	if (err) {
1785 		DPRINTF("%s: dmamap_load: failed %d\n", DEVNAME(sc), err);
1786 		goto err_destroy;
1787 	}
1788 	dma_addr = buf->map->dm_segs[0].ds_addr;
1789 	DPRINTF("%s: allocated %zd bytes dir=%d, ka=%p, da=%lx\n", DEVNAME(sc),
1790 	    buf->size, dir, buf->addr, dma_addr);
1791 	if (!sc->isht && (dma_addr & ~ENVY_MAXADDR)) {
1792 		printf("%s: DMA address beyond 0x10000000\n", DEVNAME(sc));
1793 		goto err_unload;
1794 	}
1795 	envy_mt_write_4(sc, basereg, dma_addr);
1796 	return buf->addr;
1797  err_unload:
1798 	bus_dmamap_unload(sc->pci_dmat, buf->map);
1799  err_destroy:
1800 	bus_dmamap_destroy(sc->pci_dmat, buf->map);
1801  err_unmap:
1802 	uvm_km_free(kernel_map, (vaddr_t)buf->addr, buf->size);
1803  err_ret:
1804 	return NULL;
1805 }
1806 
1807 void
1808 envy_freem(void *self, void *addr, int type)
1809 {
1810 	struct envy_buf *buf;
1811 	struct envy_softc *sc = (struct envy_softc *)self;
1812 	int dir;
1813 
1814 	if (sc->ibuf.addr == addr) {
1815 		buf = &sc->ibuf;
1816 		dir = AUMODE_RECORD;
1817 	} else if (sc->obuf.addr == addr) {
1818 		buf = &sc->obuf;
1819 		dir = AUMODE_PLAY;
1820 	} else {
1821 		DPRINTF("%s: no buf to free\n", DEVNAME(sc));
1822 		return;
1823 	}
1824 	bus_dmamap_unload(sc->pci_dmat, buf->map);
1825 	bus_dmamap_destroy(sc->pci_dmat, buf->map);
1826 	uvm_km_free(kernel_map, (vaddr_t)&buf->addr, buf->size);
1827 	buf->addr = NULL;
1828 	DPRINTF("%s: freed buffer (mode=%d)\n", DEVNAME(sc), dir);
1829 }
1830 
1831 int
1832 envy_set_params(void *self, int setmode, int usemode,
1833     struct audio_params *p, struct audio_params *r)
1834 {
1835 	struct envy_softc *sc = (struct envy_softc *)self;
1836 	int i, rate, reg;
1837 
1838 	if (setmode == 0)
1839 		return 0;
1840 	if (setmode == (AUMODE_PLAY | AUMODE_RECORD) &&
1841 	    p->sample_rate != r->sample_rate) {
1842 		DPRINTF("%s: play/rec rates mismatch\n", DEVNAME(sc));
1843 		r->sample_rate = p->sample_rate;
1844 	}
1845 	rate = (setmode & AUMODE_PLAY) ? p->sample_rate : r->sample_rate;
1846 	for (i = 0; envy_rates[i].rate < rate; i++) {
1847 		if (envy_rates[i].rate == -1) {
1848 			i--;
1849 			DPRINTF("%s: rate: %d -> %d\n", DEVNAME(sc), rate, i);
1850 			break;
1851 		}
1852 	}
1853 	reg = envy_mt_read_1(sc, ENVY_MT_RATE);
1854 	reg &= ~ENVY_MT_RATEMASK;
1855 	reg |= envy_rates[i].reg;
1856 	envy_mt_write_1(sc, ENVY_MT_RATE, reg);
1857 	if (setmode & AUMODE_PLAY) {
1858 		p->encoding = AUDIO_ENCODING_SLINEAR_LE;
1859 		p->precision = 24;
1860 		p->bps = 4;
1861 		p->msb = 1;
1862 		p->channels = sc->isht ? sc->card->noch : ENVY_PCHANS;
1863 	}
1864 	if (setmode & AUMODE_RECORD) {
1865 		r->encoding = AUDIO_ENCODING_SLINEAR_LE;
1866 		r->precision = 24;
1867 		r->bps = 4;
1868 		r->msb = 1;
1869 		r->channels = sc->isht ? sc->card->nich : ENVY_RCHANS;
1870 	}
1871 	return 0;
1872 }
1873 
1874 int
1875 envy_round_blocksize(void *self, int blksz)
1876 {
1877 	return (blksz + 0x1f) & ~0x1f;
1878 }
1879 
1880 size_t
1881 envy_round_buffersize(void *self, int dir, size_t bufsz)
1882 {
1883 	return bufsz;
1884 }
1885 
1886 #ifdef ENVY_DEBUG
1887 void
1888 envy_pintr(struct envy_softc *sc)
1889 {
1890 	int i;
1891 
1892 	if (sc->spurious > 0 || envydebug >= 2) {
1893 		printf("%s: spurious = %u, start = %lld.%ld\n",
1894 			DEVNAME(sc), sc->spurious,
1895 			(long long)sc->start_ts.tv_sec, sc->start_ts.tv_nsec);
1896 		for (i = 0; i < sc->nintr; i++) {
1897 			printf("%lld.%09ld: "
1898 			    "active=%d/%d pos=%d/%d st=%x/%x, ctl=%x\n",
1899 			    (long long)sc->intrs[i].ts.tv_sec,
1900 			    sc->intrs[i].ts.tv_nsec,
1901 			    sc->intrs[i].iactive,
1902 			    sc->intrs[i].oactive,
1903 			    sc->intrs[i].ipos,
1904 			    sc->intrs[i].opos,
1905 			    sc->intrs[i].st,
1906 			    sc->intrs[i].mask,
1907 			    sc->intrs[i].ctl);
1908 		}
1909 	}
1910 }
1911 #endif
1912 
1913 int
1914 envy_intr(void *self)
1915 {
1916 	struct envy_softc *sc = (struct envy_softc *)self;
1917 	unsigned int reg, hwpos, cnt;
1918 	int mintr, mstat, mdata;
1919 	int st, err, ctl;
1920 	int max;
1921 
1922 	mtx_enter(&audio_lock);
1923 	st = envy_mt_read_1(sc, ENVY_MT_INTR);
1924 	mintr = envy_ccs_read(sc, ENVY_CCS_INTSTAT);
1925 	if (!(st & ENVY_MT_INTR_ALL) && !(mintr & ENVY_CCS_INT_MIDI0)) {
1926 		mtx_leave(&audio_lock);
1927 		return 0;
1928 	}
1929 	if (st & ENVY_MT_INTR_ERR) {
1930 		err = envy_mt_read_1(sc, ENVY_MT_ERR);
1931 		envy_mt_write_1(sc, ENVY_MT_ERR, err);
1932 	}
1933 	envy_mt_write_1(sc, ENVY_MT_INTR, st);
1934 	envy_ccs_write(sc, ENVY_CCS_INTSTAT, mintr);
1935 
1936 #ifdef ENVY_DEBUG
1937 	if (sc->nintr < ENVY_NINTR) {
1938 		sc->intrs[sc->nintr].iactive = sc->iactive;
1939 		sc->intrs[sc->nintr].oactive = sc->oactive;
1940 		sc->intrs[sc->nintr].st = st;
1941 		sc->intrs[sc->nintr].ipos = envy_mt_read_2(sc, ENVY_MT_RBUFSZ);
1942 		sc->intrs[sc->nintr].opos = envy_mt_read_2(sc, ENVY_MT_PBUFSZ);
1943 		sc->intrs[sc->nintr].ctl = envy_mt_read_1(sc, ENVY_MT_CTL);
1944 		sc->intrs[sc->nintr].mask = envy_mt_read_1(sc, ENVY_MT_IMASK);
1945 		nanouptime(&sc->intrs[sc->nintr].ts);
1946 		sc->nintr++;
1947 	}
1948 #endif
1949 	if (mintr & ENVY_CCS_INT_MIDI0) {
1950 		for (max = 128; max > 0; max--) {
1951 			mstat = envy_ccs_read(sc, ENVY_CCS_MIDISTAT0);
1952 			if (mstat & ENVY_MIDISTAT_IEMPTY(sc))
1953 				break;
1954 			mdata = envy_ccs_read(sc, ENVY_CCS_MIDIDATA0);
1955 #if NMIDI > 0
1956 			if (sc->midi_in)
1957 				sc->midi_in(sc->midi_arg, mdata);
1958 #endif
1959 		}
1960 	}
1961 	if (st & ENVY_MT_INTR_PACK) {
1962 		if (sc->oactive) {
1963 			reg = envy_mt_read_2(sc, ENVY_MT_PBUFSZ);
1964 			hwpos = sc->obuf.bufsz - 4 * (reg + 1);
1965 			if (hwpos >= sc->obuf.bufsz)
1966 				hwpos -= sc->obuf.bufsz;
1967 			DPRINTFN(2, "%s: play: reg = %u, pos: %u -> %u\n",
1968 			    DEVNAME(sc), reg, sc->obuf.swpos, hwpos);
1969 			cnt = 0;
1970 			while (hwpos - sc->obuf.swpos >= sc->obuf.blksz) {
1971 				sc->ointr(sc->oarg);
1972 				sc->obuf.swpos += sc->obuf.blksz;
1973 				if (sc->obuf.swpos == sc->obuf.bufsz)
1974 					sc->obuf.swpos = 0;
1975 				cnt++;
1976 			}
1977 			if (cnt != 1) {
1978 				DPRINTFN(2, "%s: play: %u intrs\n",
1979 				    DEVNAME(sc), cnt);
1980 			}
1981 		} else {
1982 			ctl = envy_mt_read_1(sc, ENVY_MT_CTL);
1983 			if (ctl & ENVY_MT_CTL_PSTART) {
1984 				envy_mt_write_1(sc,
1985 				    ENVY_MT_CTL, ctl & ~ENVY_MT_CTL_PSTART);
1986 				st &= ~ENVY_MT_INTR_PACK;
1987 				sc->obusy = 0;
1988 				wakeup(&sc->obusy);
1989 			}
1990 #ifdef ENVY_DEBUG
1991 			else
1992 				sc->spurious++;
1993 #endif
1994 		}
1995 	}
1996 	if (st & ENVY_MT_INTR_RACK) {
1997 		if (sc->iactive) {
1998 			reg = envy_mt_read_2(sc, ENVY_MT_RBUFSZ);
1999 			hwpos = sc->ibuf.bufsz - 4 * (reg + 1);
2000 			if (hwpos >= sc->ibuf.bufsz)
2001 				hwpos -= sc->ibuf.bufsz;
2002 			DPRINTFN(2, "%s: rec: reg = %u, pos: %u -> %u\n",
2003 			    DEVNAME(sc), reg, sc->ibuf.swpos, hwpos);
2004 			cnt = 0;
2005 			while (hwpos - sc->ibuf.swpos >= sc->ibuf.blksz) {
2006 				sc->iintr(sc->iarg);
2007 				sc->ibuf.swpos += sc->ibuf.blksz;
2008 				if (sc->ibuf.swpos == sc->ibuf.bufsz)
2009 					sc->ibuf.swpos = 0;
2010 				cnt++;
2011 			}
2012 			if (cnt != 1) {
2013 				DPRINTFN(2, "%s: rec: %u intrs\n",
2014 				    DEVNAME(sc), cnt);
2015 			}
2016 		} else {
2017 			ctl = envy_mt_read_1(sc, ENVY_MT_CTL);
2018 			if (ctl & ENVY_MT_CTL_RSTART(sc)) {
2019 				envy_mt_write_1(sc,
2020 				    ENVY_MT_CTL, ctl & ~ENVY_MT_CTL_RSTART(sc));
2021 				st &= ~ENVY_MT_INTR_RACK;
2022 				sc->ibusy = 0;
2023 				wakeup(&sc->ibusy);
2024 			}
2025 #ifdef ENVY_DEBUG
2026 			else
2027 				sc->spurious++;
2028 #endif
2029 		}
2030 	}
2031 	mtx_leave(&audio_lock);
2032 	return 1;
2033 }
2034 
2035 int
2036 envy_trigger_output(void *self, void *start, void *end, int blksz,
2037     void (*intr)(void *), void *arg, struct audio_params *param)
2038 {
2039 	struct envy_softc *sc = (struct envy_softc *)self;
2040 	size_t bufsz;
2041 	int st;
2042 
2043 	bufsz = (char *)end - (char *)start;
2044 #ifdef ENVY_DEBUG
2045 	if (blksz % (sc->isht ? sc->card->noch * 4 : ENVY_PFRAME_SIZE) != 0) {
2046 		printf("%s: %d: bad output blksz\n", DEVNAME(sc), blksz);
2047 		return EINVAL;
2048 	}
2049 	if (bufsz % blksz) {
2050 		printf("%s: %ld: bad output bufsz\n", DEVNAME(sc), bufsz);
2051 		return EINVAL;
2052 	}
2053 #endif
2054 	mtx_enter(&audio_lock);
2055 	envy_mt_write_2(sc, ENVY_MT_PBUFSZ, bufsz / 4 - 1);
2056 	envy_mt_write_2(sc, ENVY_MT_PBLKSZ(sc), blksz / 4 - 1);
2057 
2058 #ifdef ENVY_DEBUG
2059 	if (!sc->iactive) {
2060 		sc->nintr = 0;
2061 		sc->spurious = 0;
2062 		nanouptime(&sc->start_ts);
2063 	}
2064 #endif
2065 	sc->obuf.bufsz = bufsz;
2066 	sc->obuf.blksz = blksz;
2067 	sc->obuf.swpos = 0;
2068 	sc->ointr = intr;
2069 	sc->oarg = arg;
2070 	sc->oactive = 1;
2071 	sc->obusy = 1;
2072 	st = ENVY_MT_INTR_PACK;
2073 	envy_mt_write_1(sc, ENVY_MT_INTR, st);
2074 	st = envy_mt_read_1(sc, ENVY_MT_CTL);
2075 	st |= ENVY_MT_CTL_PSTART;
2076 	envy_mt_write_1(sc, ENVY_MT_CTL, st);
2077 	mtx_leave(&audio_lock);
2078 	return 0;
2079 }
2080 
2081 int
2082 envy_trigger_input(void *self, void *start, void *end, int blksz,
2083     void (*intr)(void *), void *arg, struct audio_params *param)
2084 {
2085 	struct envy_softc *sc = (struct envy_softc *)self;
2086 	size_t bufsz;
2087 	int st;
2088 
2089 	bufsz = (char *)end - (char *)start;
2090 #ifdef ENVY_DEBUG
2091 	if (blksz % (sc->isht ? sc->card->nich * 4 : ENVY_RFRAME_SIZE) != 0) {
2092 		printf("%s: %d: bad input blksz\n", DEVNAME(sc), blksz);
2093 		return EINVAL;
2094 	}
2095 	if (bufsz % blksz != 0) {
2096 		printf("%s: %ld: bad input bufsz\n", DEVNAME(sc), bufsz);
2097 		return EINVAL;
2098 	}
2099 #endif
2100 	mtx_enter(&audio_lock);
2101 	envy_mt_write_2(sc, ENVY_MT_RBUFSZ, bufsz / 4 - 1);
2102 	envy_mt_write_2(sc, ENVY_MT_RBLKSZ, blksz / 4 - 1);
2103 
2104 #ifdef ENVY_DEBUG
2105 	if (!sc->oactive) {
2106 		sc->nintr = 0;
2107 		sc->spurious = 0;
2108 		nanouptime(&sc->start_ts);
2109 	}
2110 #endif
2111 	sc->ibuf.bufsz = bufsz;
2112 	sc->ibuf.blksz = blksz;
2113 	sc->ibuf.swpos = 0;
2114 	sc->iintr = intr;
2115 	sc->iarg = arg;
2116 	sc->iactive = 1;
2117 	sc->ibusy = 1;
2118 	st = ENVY_MT_INTR_RACK;
2119 	envy_mt_write_1(sc, ENVY_MT_INTR, st);
2120 	st = envy_mt_read_1(sc, ENVY_MT_CTL);
2121 	st |= ENVY_MT_CTL_RSTART(sc);
2122 	envy_mt_write_1(sc, ENVY_MT_CTL, st);
2123 	mtx_leave(&audio_lock);
2124 	return 0;
2125 }
2126 
2127 int
2128 envy_halt_output(void *self)
2129 {
2130 	struct envy_softc *sc = (struct envy_softc *)self;
2131 	int err;
2132 
2133 	mtx_enter(&audio_lock);
2134 	sc->oactive = 0;
2135 	if (sc->obusy) {
2136 		err = msleep(&sc->obusy, &audio_lock, PWAIT, "envyobus", 4 * hz);
2137 		if (err)
2138 			printf("%s: output DMA halt timeout\n", DEVNAME(sc));
2139 	}
2140 #ifdef ENVY_DEBUG
2141 	if (!sc->iactive)
2142 		envy_pintr(sc);
2143 #endif
2144 	mtx_leave(&audio_lock);
2145 	return 0;
2146 }
2147 
2148 int
2149 envy_halt_input(void *self)
2150 {
2151 	struct envy_softc *sc = (struct envy_softc *)self;
2152 	int err;
2153 
2154 	mtx_enter(&audio_lock);
2155 	sc->iactive = 0;
2156 	if (sc->ibusy) {
2157 		err = msleep(&sc->ibusy, &audio_lock, PWAIT, "envyibus", 4 * hz);
2158 		if (err)
2159 			printf("%s: input DMA halt timeout\n", DEVNAME(sc));
2160 	}
2161 #ifdef ENVY_DEBUG
2162 	if (!sc->oactive)
2163 		envy_pintr(sc);
2164 #endif
2165 	mtx_leave(&audio_lock);
2166 	return 0;
2167 }
2168 
2169 int
2170 envy_query_devinfo(void *self, struct mixer_devinfo *dev)
2171 {
2172 	struct envy_softc *sc = (struct envy_softc *)self;
2173 	int i, n, idx, ndev;
2174 	char *classes[] = {
2175 		AudioCinputs, AudioCoutputs, AudioCmonitor
2176 	};
2177 
2178 	if (sc->isac97)
2179 		return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dev));
2180 
2181 	if (dev->index < 0)
2182 		return ENXIO;
2183 
2184 	idx = dev->index;
2185 	ndev = ENVY_MIX_NCLASS;
2186 	dev->prev = dev->next = AUDIO_MIXER_LAST;
2187 
2188 	/*
2189 	 * classes
2190 	 */
2191 	if (idx < ndev) {
2192 		dev->type = AUDIO_MIXER_CLASS;
2193 		dev->mixer_class = idx;
2194 		strlcpy(dev->label.name, classes[idx], MAX_AUDIO_DEV_LEN);
2195 		return 0;
2196 	}
2197 	idx -= ndev;
2198 
2199 	/*
2200 	 * output.lineX_source
2201 	 */
2202 	ndev = sc->card->noch;
2203 	if (idx < ndev) {
2204 		n = 0;
2205 		dev->type = AUDIO_MIXER_ENUM;
2206 		dev->mixer_class = ENVY_MIX_CLASSOUT;
2207 		for (i = 0; i < sc->card->nich; i++) {
2208 			dev->un.e.member[n].ord = n;
2209 			snprintf(dev->un.e.member[n++].label.name,
2210 			    MAX_AUDIO_DEV_LEN, AudioNline "-%d", i);
2211 		}
2212 		dev->un.e.member[n].ord = n;
2213 		snprintf(dev->un.e.member[n++].label.name,
2214 			 MAX_AUDIO_DEV_LEN, "play-%d", idx);
2215 		if (!sc->isht && idx < 2) {
2216 			dev->un.e.member[n].ord = n;
2217 			snprintf(dev->un.e.member[n++].label.name,
2218 			    MAX_AUDIO_DEV_LEN, "mon-%d", idx);
2219 		}
2220 		snprintf(dev->label.name, MAX_AUDIO_DEV_LEN,
2221 		    AudioNline "-%d_" AudioNsource, idx);
2222 		dev->un.s.num_mem = n;
2223 		return 0;
2224 	}
2225 	idx -= ndev;
2226 
2227 	/*
2228 	 * envy monitor level
2229 	 */
2230 	ndev = sc->isht ? 0 : ENVY_MIX_NMONITOR;
2231 	if (idx < ndev) {
2232 		dev->type = AUDIO_MIXER_VALUE;
2233 		dev->mixer_class = ENVY_MIX_CLASSMON;
2234 		dev->un.v.delta = 2;
2235 		dev->un.v.num_channels = 1;
2236 		snprintf(dev->label.name, MAX_AUDIO_DEV_LEN,
2237 			 "%s-%d", idx < 10 ? "play" : "rec", idx % 10);
2238 		strlcpy(dev->un.v.units.name, AudioNvolume, MAX_AUDIO_DEV_LEN);
2239 		return 0;
2240 	}
2241 	idx -= ndev;
2242 
2243 	/*
2244 	 * inputs.xxx
2245 	 */
2246 	ndev = sc->card->adc->ndev(sc);
2247 	if (idx < ndev) {
2248 		sc->card->adc->devinfo(sc, dev, idx);
2249 		return 0;
2250 	}
2251 	idx -= ndev;
2252 
2253 	/*
2254 	 * outputs.xxx
2255 	 */
2256 	ndev = sc->card->dac->ndev(sc);
2257 	if (idx < ndev) {
2258 		sc->card->dac->devinfo(sc, dev, idx);
2259 		return 0;
2260 	}
2261 	return ENXIO;
2262 }
2263 
2264 int
2265 envy_get_port(void *self, struct mixer_ctrl *ctl)
2266 {
2267 	struct envy_softc *sc = (struct envy_softc *)self;
2268 	int val, idx, ndev;
2269 
2270 	if (sc->isac97)
2271 		return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, ctl));
2272 
2273 	if (ctl->dev < ENVY_MIX_NCLASS) {
2274 		return EINVAL;
2275 	}
2276 
2277 	idx = ctl->dev - ENVY_MIX_NCLASS;
2278 	ndev = sc->card->noch;
2279 	if (idx < ndev) {
2280 		ctl->un.ord = envy_lineout_getsrc(sc, idx);
2281 		if (ctl->un.ord >= ENVY_MIX_NOUTSRC)
2282 			ctl->un.ord -= ENVY_MIX_NOUTSRC - sc->card->nich;
2283 		return 0;
2284 	}
2285 	idx -= ndev;
2286 	ndev = sc->isht ? 0 : ENVY_MIX_NMONITOR;
2287 	if (idx < ndev) {
2288 		envy_mon_getvol(sc, idx / 2, idx % 2, &val);
2289 		ctl->un.value.num_channels = 1;
2290 		ctl->un.value.level[0] = 2 * val;
2291 		return 0;
2292 	}
2293 	idx -= ndev;
2294 	ndev = sc->card->adc->ndev(sc);
2295 	if (idx < ndev) {
2296 		sc->card->adc->get(sc, ctl, idx);
2297 		return 0;
2298 	}
2299 	idx -= ndev;
2300 	ndev = sc->card->dac->ndev(sc);
2301 	if (idx < ndev) {
2302 		sc->card->dac->get(sc, ctl, idx);
2303 		return 0;
2304 	}
2305 	return ENXIO;
2306 }
2307 
2308 int
2309 envy_set_port(void *self, struct mixer_ctrl *ctl)
2310 {
2311 	struct envy_softc *sc = (struct envy_softc *)self;
2312 	int maxsrc, val, idx, ndev;
2313 
2314 	if (sc->isac97)
2315 		return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, ctl));
2316 
2317 	if (ctl->dev < ENVY_MIX_NCLASS) {
2318 		return EINVAL;
2319 	}
2320 
2321 	idx = ctl->dev - ENVY_MIX_NCLASS;
2322 	ndev = sc->card->noch;
2323 	if (idx < ndev) {
2324 		maxsrc = sc->card->nich + 1;
2325 		if (idx < 2)
2326 			maxsrc++;
2327 		if (ctl->un.ord < 0 || ctl->un.ord >= maxsrc)
2328 			return EINVAL;
2329 		if (ctl->un.ord >= sc->card->nich)
2330 			ctl->un.ord += ENVY_MIX_NOUTSRC - sc->card->nich;
2331 		envy_lineout_setsrc(sc, idx, ctl->un.ord);
2332 		return 0;
2333 	}
2334 	idx -= ndev;
2335 	ndev = sc->isht ? 0 : ENVY_MIX_NMONITOR;
2336 	if (idx < ndev) {
2337 		if (ctl->un.value.num_channels != 1) {
2338 			return EINVAL;
2339 		}
2340 		val = ctl->un.value.level[0] / 2;
2341 		envy_mon_setvol(sc, idx / 2, idx % 2, val);
2342 		return 0;
2343 	}
2344 	idx -= ndev;
2345 	ndev = sc->card->adc->ndev(sc);
2346 	if (idx < ndev)
2347 		return sc->card->adc->set(sc, ctl, idx);
2348 	idx -= ndev;
2349 	ndev = sc->card->dac->ndev(sc);
2350 	if (idx < ndev)
2351 		return sc->card->dac->set(sc, ctl, idx);
2352 	return ENXIO;
2353 }
2354 
2355 int
2356 envy_get_props(void *self)
2357 {
2358 	return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2359 }
2360 
2361 #if NMIDI > 0
2362 int
2363 envy_midi_open(void *self, int flags,
2364     void (*in)(void *, int),
2365     void (*out)(void *),
2366     void *arg)
2367 {
2368 	struct envy_softc *sc = (struct envy_softc *)self;
2369 	unsigned int i, reg;
2370 
2371 	/* discard pending data */
2372 	for (i = 0; i < 128; i++) {
2373 		reg = envy_ccs_read(sc, ENVY_CCS_MIDISTAT0);
2374 		if (reg & ENVY_MIDISTAT_IEMPTY(sc))
2375 			break;
2376 		(void)envy_ccs_read(sc, ENVY_CCS_MIDIDATA0);
2377 	}
2378 #ifdef ENVY_DEBUG
2379 	if (i > 0)
2380 		DPRINTF("%s: midi: discarded %u bytes\n", DEVNAME(sc), i);
2381 #endif
2382 
2383 	/* clear pending midi interrupt */
2384 	envy_ccs_write(sc, ENVY_CCS_INTSTAT, ENVY_CCS_INT_MIDI0);
2385 
2386 	/* interrupts are disabled, it safe to manipulate these */
2387 	sc->midi_in = in;
2388 	sc->midi_out = out;
2389 	sc->midi_arg = arg;
2390 	sc->midi_isopen = 1;
2391 
2392 	/* enable interrupts */
2393 	reg = envy_ccs_read(sc, ENVY_CCS_INTMASK);
2394 	reg &= ~ENVY_CCS_INT_MIDI0;
2395 	envy_ccs_write(sc, ENVY_CCS_INTMASK, reg);
2396 	return 0;
2397 }
2398 
2399 void
2400 envy_midi_close(void *self)
2401 {
2402 	struct envy_softc *sc = (struct envy_softc *)self;
2403 	unsigned int reg;
2404 
2405 	/* wait for output fifo to drain */
2406 	tsleep(sc, PWAIT, "envymid", hz / 10);
2407 
2408 	/* disable interrupts */
2409 	reg = envy_ccs_read(sc, ENVY_CCS_INTMASK);
2410 	reg |= ENVY_CCS_INT_MIDI0;
2411 	envy_ccs_write(sc, ENVY_CCS_INTMASK, reg);
2412 
2413 	/* interrupts are disabled, it safe to manipulate these */
2414 	sc->midi_in = NULL;
2415 	sc->midi_out = NULL;
2416 	sc->midi_isopen = 0;
2417 }
2418 
2419 int
2420 envy_midi_output(void *self, int data)
2421 {
2422 	struct envy_softc *sc = (struct envy_softc *)self;
2423 	int st;
2424 
2425 	st = envy_ccs_read(sc, ENVY_CCS_MIDISTAT0);
2426 	if (st & ENVY_MIDISTAT_OBUSY(sc))
2427 		return 0;
2428 	envy_ccs_write(sc, ENVY_CCS_MIDIDATA0, data);
2429 	return 1;
2430 }
2431 
2432 void
2433 envy_midi_getinfo(void *self, struct midi_info *mi)
2434 {
2435 	mi->props = MIDI_PROP_CAN_INPUT;
2436 	mi->name = "Envy24 MIDI UART";
2437 }
2438 #endif
2439