xref: /netbsd-src/sys/arch/macppc/dev/snapper.c (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: snapper.c,v 1.25 2007/11/07 19:47:01 garbled Exp $	*/
2 /*	Id: snapper.c,v 1.11 2002/10/31 17:42:13 tsubai Exp	*/
3 /*	Id: i2s.c,v 1.12 2005/01/15 14:32:35 tsubai Exp		*/
4 
5 /*-
6  * Copyright (c) 2002, 2003 Tsubai Masanari.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 /*
32  * Datasheet is available from
33  * http://www.ti.com/sc/docs/products/analog/tas3004.html
34  * http://www.ti.com/sc/docs/products/analog/tas3001.html
35  */
36 
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: snapper.c,v 1.25 2007/11/07 19:47:01 garbled Exp $");
39 
40 #include <sys/param.h>
41 #include <sys/audioio.h>
42 #include <sys/device.h>
43 #include <sys/systm.h>
44 #include <sys/malloc.h>
45 
46 #include <dev/auconv.h>
47 #include <dev/audio_if.h>
48 #include <dev/mulaw.h>
49 #include <dev/ofw/openfirm.h>
50 #include <macppc/dev/dbdma.h>
51 
52 #include <uvm/uvm_extern.h>
53 #include <dev/i2c/i2cvar.h>
54 
55 #include <machine/autoconf.h>
56 #include <machine/pio.h>
57 
58 #include <macppc/dev/deqvar.h>
59 
60 #ifdef SNAPPER_DEBUG
61 # define DPRINTF printf
62 #else
63 # define DPRINTF while (0) printf
64 #endif
65 
66 #define SNAPPER_MAXPAGES	16
67 
68 struct snapper_softc {
69 	struct device sc_dev;
70 	int sc_mode;		  // 0 for TAS3004
71 #define SNAPPER_IS_TAS3001	1 // codec is TAS3001
72 #define SNAPPER_SWVOL		2 // software codec
73 
74 	int sc_node;
75 
76 	struct audio_encoding_set *sc_encodings;
77 
78 	void (*sc_ointr)(void *);	/* dma completion intr handler */
79 	void *sc_oarg;			/* arg for sc_ointr() */
80 	int sc_opages;			/* # of output pages */
81 
82 	void (*sc_iintr)(void *);	/* dma completion intr handler */
83 	void *sc_iarg;			/* arg for sc_iintr() */
84 	int sc_ipages;			/* # of input pages */
85 
86 	u_int sc_record_source;		/* recording source mask */
87 	u_int sc_output_mask;		/* output source mask */
88 
89 	bus_space_tag_t sc_tag;
90 	bus_space_handle_t sc_bsh;
91 	i2c_addr_t sc_deqaddr;
92 	i2c_tag_t sc_i2c;
93 	uint32_t sc_baseaddr;
94 
95 	int sc_rate;                    /* current sampling rate */
96 	int sc_bitspersample;
97 
98 	int sc_swvol;
99 
100 	u_int sc_vol_l;
101 	u_int sc_vol_r;
102 	u_int sc_treble;
103 	u_int sc_bass;
104 	u_int mixer[6]; /* s1_l, s2_l, an_l, s1_r, s2_r, an_r */
105 
106 	bus_space_handle_t sc_odmah;
107 	bus_space_handle_t sc_idmah;
108 	dbdma_regmap_t *sc_odma;
109 	dbdma_regmap_t *sc_idma;
110 	unsigned char	dbdma_cmdspace[sizeof(struct dbdma_command) * 40 + 15];
111 	struct dbdma_command *sc_odmacmd;
112 	struct dbdma_command *sc_idmacmd;
113 };
114 
115 int snapper_match(struct device *, struct cfdata *, void *);
116 void snapper_attach(struct device *, struct device *, void *);
117 void snapper_defer(struct device *);
118 int snapper_intr(void *);
119 int snapper_query_encoding(void *, struct audio_encoding *);
120 int snapper_set_params(void *, int, int, audio_params_t *,
121     audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
122 int snapper_round_blocksize(void *, int, int, const audio_params_t *);
123 int snapper_halt_output(void *);
124 int snapper_halt_input(void *);
125 int snapper_getdev(void *, struct audio_device *);
126 int snapper_set_port(void *, mixer_ctrl_t *);
127 int snapper_get_port(void *, mixer_ctrl_t *);
128 int snapper_query_devinfo(void *, mixer_devinfo_t *);
129 size_t snapper_round_buffersize(void *, int, size_t);
130 paddr_t snapper_mappage(void *, void *, off_t, int);
131 int snapper_get_props(void *);
132 int snapper_trigger_output(void *, void *, void *, int, void (*)(void *),
133     void *, const audio_params_t *);
134 int snapper_trigger_input(void *, void *, void *, int, void (*)(void *),
135     void *, const audio_params_t *);
136 void snapper_set_volume(struct snapper_softc *, u_int, u_int);
137 int snapper_set_rate(struct snapper_softc *);
138 void snapper_set_treble(struct snapper_softc *, u_int);
139 void snapper_set_bass(struct snapper_softc *, u_int);
140 void snapper_write_mixers(struct snapper_softc *);
141 
142 int tas3004_write(struct snapper_softc *, u_int, const void *);
143 static int gpio_read(char *);
144 static void gpio_write(char *, int);
145 void snapper_mute_speaker(struct snapper_softc *, int);
146 void snapper_mute_headphone(struct snapper_softc *, int);
147 int snapper_cint(void *);
148 int tas3004_init(struct snapper_softc *);
149 void snapper_init(struct snapper_softc *, int);
150 
151 struct snapper_codecvar {
152 	stream_filter_t	base;
153 
154 #ifdef DIAGNOSTIC
155 # define SNAPPER_CODECVAR_MAGIC		0xC0DEC
156 	uint32_t	magic;
157 #endif // DIAGNOSTIC
158 
159 	int16_t		rval; // for snapper_fixphase
160 };
161 
162 static stream_filter_t *snapper_filter_factory
163 	(int (*)(stream_fetcher_t *, audio_stream_t *, int));
164 static void snapper_filter_dtor(stream_filter_t *);
165 
166 /* XXX We can't access the hw device softc from our audio
167  *     filter -- lame...
168  */
169 static u_int snapper_vol_l = 128, snapper_vol_r = 128;
170 
171 /* XXX why doesn't auconv define this? */
172 #define DEFINE_FILTER(name)	\
173 static int \
174 name##_fetch_to(stream_fetcher_t *, audio_stream_t *, int); \
175 stream_filter_t * name(struct audio_softc *, \
176     const audio_params_t *, const audio_params_t *); \
177 stream_filter_t * \
178 name(struct audio_softc *sc, const audio_params_t *from, \
179      const audio_params_t *to) \
180 { \
181 	return snapper_filter_factory(name##_fetch_to); \
182 } \
183 static int \
184 name##_fetch_to(stream_fetcher_t *self, audio_stream_t *dst, int max_used)
185 
186 DEFINE_FILTER(snapper_volume)
187 {
188 	stream_filter_t *this;
189 	int16_t j;
190 	int16_t *wp;
191 	int m, err;
192 
193 	this = (stream_filter_t *)self;
194 	max_used = (max_used + 1) & ~1;
195 	if ((err = this->prev->fetch_to(this->prev, this->src, max_used)))
196 		return err;
197 	m = (dst->end - dst->start) & ~1;
198 	m = min(m, max_used);
199 	FILTER_LOOP_PROLOGUE(this->src, 2, dst, 2, m) {
200 		j = (s[0] << 8 | s[1]);
201 		wp = (int16_t *)d;
202 		*wp = ((j * snapper_vol_l) / 255);
203 	} FILTER_LOOP_EPILOGUE(this->src, dst);
204 
205 	return 0;
206 }
207 
208 /*
209  * A hardware bug in the TAS3004 I2S transport
210  * produces phase differences between channels
211  * (left channel appears delayed by one sample).
212  * Fix the phase difference by delaying the right channel
213  * by one sample.
214  */
215 DEFINE_FILTER(snapper_fixphase)
216 {
217 	struct snapper_codecvar *cv = (struct snapper_codecvar *) self;
218 	stream_filter_t *this = &cv->base;
219 	int err, m;
220 	const int16_t *rp;
221 	int16_t *wp, rval = cv->rval;
222 
223 #ifdef DIAGNOSTIC
224 	if (cv->magic != SNAPPER_CODECVAR_MAGIC)
225 		panic("snapper_fixphase");
226 #endif
227 	max_used = (max_used + 3) & ~2;
228 	if ((err = this->prev->fetch_to(this->prev, this->src, max_used)))
229 		return err;
230 
231 	/* work in stereo frames (4 bytes) */
232 	m = (dst->end - dst->start) & ~2;
233 	m = min(m, max_used);
234 	FILTER_LOOP_PROLOGUE(this->src, 4, dst, 4, m) {
235 		rp = (const int16_t *) s;
236 		wp = (int16_t *) d;
237 		wp[0] = rp[0];
238 		wp[1] = rval;
239 		rval = rp[1];
240 	} FILTER_LOOP_EPILOGUE(this->src, dst);
241 	cv->rval = rval;
242 
243 	return 0;
244 }
245 
246 static stream_filter_t *
247 snapper_filter_factory(int (*fetch_to)(stream_fetcher_t *, audio_stream_t *, int))
248 {
249 	struct snapper_codecvar *this;
250 
251 	this = malloc(sizeof(*this), M_DEVBUF, M_WAITOK | M_ZERO);
252 	this->base.base.fetch_to = fetch_to;
253 	this->base.dtor = snapper_filter_dtor;
254 	this->base.set_fetcher = stream_filter_set_fetcher;
255 	this->base.set_inputbuffer = stream_filter_set_inputbuffer;
256 
257 #ifdef DIAGNOSTIC
258 	this->magic = SNAPPER_CODECVAR_MAGIC;
259 #endif
260 	return (stream_filter_t *) this;
261 }
262 
263 static void
264 snapper_filter_dtor(stream_filter_t *this)
265 {
266 	if (this != NULL)
267 		free(this, M_DEVBUF);
268 }
269 
270 CFATTACH_DECL(snapper, sizeof(struct snapper_softc), snapper_match,
271 	snapper_attach, NULL, NULL);
272 
273 const struct audio_hw_if snapper_hw_if = {
274 	NULL,
275 	NULL,
276 	NULL,
277 	snapper_query_encoding,
278 	snapper_set_params,
279 	snapper_round_blocksize,
280 	NULL,
281 	NULL,
282 	NULL,
283 	NULL,
284 	NULL,
285 	snapper_halt_output,
286 	snapper_halt_input,
287 	NULL,
288 	snapper_getdev,
289 	NULL,
290 	snapper_set_port,
291 	snapper_get_port,
292 	snapper_query_devinfo,
293 	NULL,
294 	NULL,
295 	snapper_round_buffersize,
296 	snapper_mappage,
297 	snapper_get_props,
298 	snapper_trigger_output,
299 	snapper_trigger_input,
300 	NULL,
301 	NULL
302 };
303 
304 struct audio_device snapper_device = {
305 	"SNAPPER",
306 	"",
307 	"snapper"
308 };
309 
310 #define SNAPPER_BASSTAB_0DB	18
311 const uint8_t snapper_basstab[] = {
312 	0x96,	/* -18dB */
313 	0x94,	/* -17dB */
314 	0x92,	/* -16dB */
315 	0x90,	/* -15dB */
316 	0x8e,	/* -14dB */
317 	0x8c,	/* -13dB */
318 	0x8a,	/* -12dB */
319 	0x88,	/* -11dB */
320 	0x86,	/* -10dB */
321 	0x84,	/* -9dB */
322 	0x82,	/* -8dB */
323 	0x80,	/* -7dB */
324 	0x7e,	/* -6dB */
325 	0x7c,	/* -5dB */
326 	0x7a,	/* -4dB */
327 	0x78,	/* -3dB */
328 	0x76,	/* -2dB */
329 	0x74,	/* -1dB */
330 	0x72,	/* 0dB */
331 	0x6f,	/* 1dB */
332 	0x6d,	/* 2dB */
333 	0x6a,	/* 3dB */
334 	0x67,	/* 4dB */
335 	0x65,	/* 5dB */
336 	0x62,	/* 6dB */
337 	0x5f,	/* 7dB */
338 	0x5b,	/* 8dB */
339 	0x55,	/* 9dB */
340 	0x4f,	/* 10dB */
341 	0x49,	/* 11dB */
342 	0x43,	/* 12dB */
343 	0x3b,	/* 13dB */
344 	0x33,	/* 14dB */
345 	0x29,	/* 15dB */
346 	0x1e,	/* 16dB */
347 	0x11,	/* 17dB */
348 	0x01,	/* 18dB */
349 };
350 
351 #define SNAPPER_MIXER_GAIN_0DB		36
352 const uint8_t snapper_mixer_gain[178][3] = {
353 	{ 0x7f, 0x17, 0xaf }, /* 18.0 dB */
354 	{ 0x77, 0xfb, 0xaa }, /* 17.5 dB */
355 	{ 0x71, 0x45, 0x75 }, /* 17.0 dB */
356 	{ 0x6a, 0xef, 0x5d }, /* 16.5 dB */
357 	{ 0x64, 0xf4, 0x03 }, /* 16.0 dB */
358 	{ 0x5f, 0x4e, 0x52 }, /* 15.5 dB */
359 	{ 0x59, 0xf9, 0x80 }, /* 15.0 dB */
360 	{ 0x54, 0xf1, 0x06 }, /* 14.5 dB */
361 	{ 0x50, 0x30, 0xa1 }, /* 14.0 dB */
362 	{ 0x4b, 0xb4, 0x46 }, /* 13.5 dB */
363 	{ 0x47, 0x78, 0x28 }, /* 13.0 dB */
364 	{ 0x43, 0x78, 0xb0 }, /* 12.5 dB */
365 	{ 0x3f, 0xb2, 0x78 }, /* 12.0 dB */
366 	{ 0x3c, 0x22, 0x4c }, /* 11.5 dB */
367 	{ 0x38, 0xc5, 0x28 }, /* 11.0 dB */
368 	{ 0x35, 0x98, 0x2f }, /* 10.5 dB */
369 	{ 0x32, 0x98, 0xb0 }, /* 10.0 dB */
370 	{ 0x2f, 0xc4, 0x20 }, /* 9.5 dB */
371 	{ 0x2d, 0x18, 0x18 }, /* 9.0 dB */
372 	{ 0x2a, 0x92, 0x54 }, /* 8.5 dB */
373 	{ 0x28, 0x30, 0xaf }, /* 8.0 dB */
374 	{ 0x25, 0xf1, 0x25 }, /* 7.5 dB */
375 	{ 0x23, 0xd1, 0xcd }, /* 7.0 dB */
376 	{ 0x21, 0xd0, 0xd9 }, /* 6.5 dB */
377 	{ 0x1f, 0xec, 0x98 }, /* 6.0 dB */
378 	{ 0x1e, 0x23, 0x6d }, /* 5.5 dB */
379 	{ 0x1c, 0x73, 0xd5 }, /* 5.0 dB */
380 	{ 0x1a, 0xdc, 0x61 }, /* 4.5 dB */
381 	{ 0x19, 0x5b, 0xb8 }, /* 4.0 dB */
382 	{ 0x17, 0xf0, 0x94 }, /* 3.5 dB */
383 	{ 0x16, 0x99, 0xc0 }, /* 3.0 dB */
384 	{ 0x15, 0x56, 0x1a }, /* 2.5 dB */
385 	{ 0x14, 0x24, 0x8e }, /* 2.0 dB */
386 	{ 0x13, 0x04, 0x1a }, /* 1.5 dB */
387 	{ 0x11, 0xf3, 0xc9 }, /* 1.0 dB */
388 	{ 0x10, 0xf2, 0xb4 }, /* 0.5 dB */
389 	{ 0x10, 0x00, 0x00 }, /* 0.0 dB */
390 	{ 0x0f, 0x1a, 0xdf }, /* -0.5 dB */
391 	{ 0x0e, 0x42, 0x90 }, /* -1.0 dB */
392 	{ 0x0d, 0x76, 0x5a }, /* -1.5 dB */
393 	{ 0x0c, 0xb5, 0x91 }, /* -2.0 dB */
394 	{ 0x0b, 0xff, 0x91 }, /* -2.5 dB */
395 	{ 0x0b, 0x53, 0xbe }, /* -3.0 dB */
396 	{ 0x0a, 0xb1, 0x89 }, /* -3.5 dB */
397 	{ 0x0a, 0x18, 0x66 }, /* -4.0 dB */
398 	{ 0x09, 0x87, 0xd5 }, /* -4.5 dB */
399 	{ 0x08, 0xff, 0x59 }, /* -5.0 dB */
400 	{ 0x08, 0x7e, 0x80 }, /* -5.5 dB */
401 	{ 0x08, 0x04, 0xdc }, /* -6.0 dB */
402 	{ 0x07, 0x92, 0x07 }, /* -6.5 dB */
403 	{ 0x07, 0x25, 0x9d }, /* -7.0 dB */
404 	{ 0x06, 0xbf, 0x44 }, /* -7.5 dB */
405 	{ 0x06, 0x5e, 0xa5 }, /* -8.0 dB */
406 	{ 0x06, 0x03, 0x6e }, /* -8.5 dB */
407 	{ 0x05, 0xad, 0x50 }, /* -9.0 dB */
408 	{ 0x05, 0x5c, 0x04 }, /* -9.5 dB */
409 	{ 0x05, 0x0f, 0x44 }, /* -10.0 dB */
410 	{ 0x04, 0xc6, 0xd0 }, /* -10.5 dB */
411 	{ 0x04, 0x82, 0x68 }, /* -11.0 dB */
412 	{ 0x04, 0x41, 0xd5 }, /* -11.5 dB */
413 	{ 0x04, 0x04, 0xde }, /* -12.0 dB */
414 	{ 0x03, 0xcb, 0x50 }, /* -12.5 dB */
415 	{ 0x03, 0x94, 0xfa }, /* -13.0 dB */
416 	{ 0x03, 0x61, 0xaf }, /* -13.5 dB */
417 	{ 0x03, 0x31, 0x42 }, /* -14.0 dB */
418 	{ 0x03, 0x03, 0x8a }, /* -14.5 dB */
419 	{ 0x02, 0xd8, 0x62 }, /* -15.0 dB */
420 	{ 0x02, 0xaf, 0xa3 }, /* -15.5 dB */
421 	{ 0x02, 0x89, 0x2c }, /* -16.0 dB */
422 	{ 0x02, 0x64, 0xdb }, /* -16.5 dB */
423 	{ 0x02, 0x42, 0x93 }, /* -17.0 dB */
424 	{ 0x02, 0x22, 0x35 }, /* -17.5 dB */
425 	{ 0x02, 0x03, 0xa7 }, /* -18.0 dB */
426 	{ 0x01, 0xe6, 0xcf }, /* -18.5 dB */
427 	{ 0x01, 0xcb, 0x94 }, /* -19.0 dB */
428 	{ 0x01, 0xb1, 0xde }, /* -19.5 dB */
429 	{ 0x01, 0x99, 0x99 }, /* -20.0 dB */
430 	{ 0x01, 0x82, 0xaf }, /* -20.5 dB */
431 	{ 0x01, 0x6d, 0x0e }, /* -21.0 dB */
432 	{ 0x01, 0x58, 0xa2 }, /* -21.5 dB */
433 	{ 0x01, 0x45, 0x5b }, /* -22.0 dB */
434 	{ 0x01, 0x33, 0x28 }, /* -22.5 dB */
435 	{ 0x01, 0x21, 0xf9 }, /* -23.0 dB */
436 	{ 0x01, 0x11, 0xc0 }, /* -23.5 dB */
437 	{ 0x01, 0x02, 0x70 }, /* -24.0 dB */
438 	{ 0x00, 0xf3, 0xfb }, /* -24.5 dB */
439 	{ 0x00, 0xe6, 0x55 }, /* -25.0 dB */
440 	{ 0x00, 0xd9, 0x73 }, /* -25.5 dB */
441 	{ 0x00, 0xcd, 0x49 }, /* -26.0 dB */
442 	{ 0x00, 0xc1, 0xcd }, /* -26.5 dB */
443 	{ 0x00, 0xb6, 0xf6 }, /* -27.0 dB */
444 	{ 0x00, 0xac, 0xba }, /* -27.5 dB */
445 	{ 0x00, 0xa3, 0x10 }, /* -28.0 dB */
446 	{ 0x00, 0x99, 0xf1 }, /* -28.5 dB */
447 	{ 0x00, 0x91, 0x54 }, /* -29.0 dB */
448 	{ 0x00, 0x89, 0x33 }, /* -29.5 dB */
449 	{ 0x00, 0x81, 0x86 }, /* -30.0 dB */
450 	{ 0x00, 0x7a, 0x48 }, /* -30.5 dB */
451 	{ 0x00, 0x73, 0x70 }, /* -31.0 dB */
452 	{ 0x00, 0x6c, 0xfb }, /* -31.5 dB */
453 	{ 0x00, 0x66, 0xe3 }, /* -32.0 dB */
454 	{ 0x00, 0x61, 0x21 }, /* -32.5 dB */
455 	{ 0x00, 0x5b, 0xb2 }, /* -33.0 dB */
456 	{ 0x00, 0x56, 0x91 }, /* -33.5 dB */
457 	{ 0x00, 0x51, 0xb9 }, /* -34.0 dB */
458 	{ 0x00, 0x4d, 0x27 }, /* -34.5 dB */
459 	{ 0x00, 0x48, 0xd6 }, /* -35.0 dB */
460 	{ 0x00, 0x44, 0xc3 }, /* -35.5 dB */
461 	{ 0x00, 0x40, 0xea }, /* -36.0 dB */
462 	{ 0x00, 0x3d, 0x49 }, /* -36.5 dB */
463 	{ 0x00, 0x39, 0xdb }, /* -37.0 dB */
464 	{ 0x00, 0x36, 0x9e }, /* -37.5 dB */
465 	{ 0x00, 0x33, 0x90 }, /* -38.0 dB */
466 	{ 0x00, 0x30, 0xae }, /* -38.5 dB */
467 	{ 0x00, 0x2d, 0xf5 }, /* -39.0 dB */
468 	{ 0x00, 0x2b, 0x63 }, /* -39.5 dB */
469 	{ 0x00, 0x28, 0xf5 }, /* -40.0 dB */
470 	{ 0x00, 0x26, 0xab }, /* -40.5 dB */
471 	{ 0x00, 0x24, 0x81 }, /* -41.0 dB */
472 	{ 0x00, 0x22, 0x76 }, /* -41.5 dB */
473 	{ 0x00, 0x20, 0x89 }, /* -42.0 dB */
474 	{ 0x00, 0x1e, 0xb7 }, /* -42.5 dB */
475 	{ 0x00, 0x1c, 0xff }, /* -43.0 dB */
476 	{ 0x00, 0x1b, 0x60 }, /* -43.5 dB */
477 	{ 0x00, 0x19, 0xd8 }, /* -44.0 dB */
478 	{ 0x00, 0x18, 0x65 }, /* -44.5 dB */
479 	{ 0x00, 0x17, 0x08 }, /* -45.0 dB */
480 	{ 0x00, 0x15, 0xbe }, /* -45.5 dB */
481 	{ 0x00, 0x14, 0x87 }, /* -46.0 dB */
482 	{ 0x00, 0x13, 0x61 }, /* -46.5 dB */
483 	{ 0x00, 0x12, 0x4b }, /* -47.0 dB */
484 	{ 0x00, 0x11, 0x45 }, /* -47.5 dB */
485 	{ 0x00, 0x10, 0x4e }, /* -48.0 dB */
486 	{ 0x00, 0x0f, 0x64 }, /* -48.5 dB */
487 	{ 0x00, 0x0e, 0x88 }, /* -49.0 dB */
488 	{ 0x00, 0x0d, 0xb8 }, /* -49.5 dB */
489 	{ 0x00, 0x0c, 0xf3 }, /* -50.0 dB */
490 	{ 0x00, 0x0c, 0x3a }, /* -50.5 dB */
491 	{ 0x00, 0x0b, 0x8b }, /* -51.0 dB */
492 	{ 0x00, 0x0a, 0xe5 }, /* -51.5 dB */
493 	{ 0x00, 0x0a, 0x49 }, /* -52.0 dB */
494 	{ 0x00, 0x09, 0xb6 }, /* -52.5 dB */
495 	{ 0x00, 0x09, 0x2b }, /* -53.0 dB */
496 	{ 0x00, 0x08, 0xa8 }, /* -53.5 dB */
497 	{ 0x00, 0x08, 0x2c }, /* -54.0 dB */
498 	{ 0x00, 0x07, 0xb7 }, /* -54.5 dB */
499 	{ 0x00, 0x07, 0x48 }, /* -55.0 dB */
500 	{ 0x00, 0x06, 0xe0 }, /* -55.5 dB */
501 	{ 0x00, 0x06, 0x7d }, /* -56.0 dB */
502 	{ 0x00, 0x06, 0x20 }, /* -56.5 dB */
503 	{ 0x00, 0x05, 0xc9 }, /* -57.0 dB */
504 	{ 0x00, 0x05, 0x76 }, /* -57.5 dB */
505 	{ 0x00, 0x05, 0x28 }, /* -58.0 dB */
506 	{ 0x00, 0x04, 0xde }, /* -58.5 dB */
507 	{ 0x00, 0x04, 0x98 }, /* -59.0 dB */
508 	{ 0x00, 0x04, 0x56 }, /* -59.5 dB */
509 	{ 0x00, 0x04, 0x18 }, /* -60.0 dB */
510 	{ 0x00, 0x03, 0xdd }, /* -60.5 dB */
511 	{ 0x00, 0x03, 0xa6 }, /* -61.0 dB */
512 	{ 0x00, 0x03, 0x72 }, /* -61.5 dB */
513 	{ 0x00, 0x03, 0x40 }, /* -62.0 dB */
514 	{ 0x00, 0x03, 0x12 }, /* -62.5 dB */
515 	{ 0x00, 0x02, 0xe6 }, /* -63.0 dB */
516 	{ 0x00, 0x02, 0xbc }, /* -63.5 dB */
517 	{ 0x00, 0x02, 0x95 }, /* -64.0 dB */
518 	{ 0x00, 0x02, 0x70 }, /* -64.5 dB */
519 	{ 0x00, 0x02, 0x4d }, /* -65.0 dB */
520 	{ 0x00, 0x02, 0x2c }, /* -65.5 dB */
521 	{ 0x00, 0x02, 0x0d }, /* -66.0 dB */
522 	{ 0x00, 0x01, 0xf0 }, /* -66.5 dB */
523 	{ 0x00, 0x01, 0xd4 }, /* -67.0 dB */
524 	{ 0x00, 0x01, 0xba }, /* -67.5 dB */
525 	{ 0x00, 0x01, 0xa1 }, /* -68.0 dB */
526 	{ 0x00, 0x01, 0x8a }, /* -68.5 dB */
527 	{ 0x00, 0x01, 0x74 }, /* -69.0 dB */
528 	{ 0x00, 0x01, 0x5f }, /* -69.5 dB */
529 	{ 0x00, 0x01, 0x4b }, /* -70.0 dB */
530 	{ 0x00, 0x00, 0x00 }  /* Mute */
531 };
532 
533 #define SNAPPER_NFORMATS	2
534 static const struct audio_format snapper_formats[SNAPPER_NFORMATS] = {
535 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
536 	 2, AUFMT_STEREO, 3, {32000, 44100, 48000}},
537 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 24, 24,
538 	 2, AUFMT_STEREO, 3, {32000, 44100, 48000}},
539 };
540 
541 #define TUMBLER_NFORMATS	1
542 static const struct audio_format tumbler_formats[TUMBLER_NFORMATS] = {
543 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
544 	 2, AUFMT_STEREO, 4, {32000, 44100, 48000, 96000}},
545 };
546 
547 static u_char *amp_mute;
548 static u_char *headphone_mute;
549 static u_char *audio_hw_reset;
550 static u_char *headphone_detect;
551 static int headphone_detect_active;
552 
553 
554 /* I2S registers */
555 #define I2S_INT		0x00
556 #define I2S_FORMAT	0x10
557 #define I2S_FRAMECOUNT	0x40
558 #define I2S_FRAMEMATCH	0x50
559 #define I2S_WORDSIZE	0x60
560 
561 /* I2S_INT register definitions */
562 #define I2S_INT_CLKSTOPPEND 0x01000000  /* clock-stop interrupt pending */
563 
564 /* FCR(0x3c) bits */
565 #define KEYLARGO_FCR1   0x3c
566 #define  I2S0CLKEN      0x1000
567 #define  I2S0EN         0x2000
568 #define  I2S1CLKEN      0x080000
569 #define  I2S1EN         0x100000
570 #define FCR3C_BITMASK "\020\25I2S1EN\24I2S1CLKEN\16I2S0EN\15I2S0CLKEN"
571 
572 /* TAS3004/TAS3001 registers */
573 #define DEQ_MCR1	0x01	/* Main control register 1 (1byte) */
574 #define DEQ_DRC		0x02	/* Dynamic range compression (6bytes?)
575                             	   2 bytes (reserved) on the TAS 3001 */
576 #define DEQ_VOLUME	0x04	/* Volume (6bytes) */
577 #define DEQ_TREBLE	0x05	/* Treble control (1byte) */
578 #define DEQ_BASS	0x06	/* Bass control (1byte) */
579 #define DEQ_MIXER_L	0x07	/* Mixer left gain (9bytes; 3 on TAS3001) */
580 #define DEQ_MIXER_R	0x08	/* Mixer right gain (9bytes; 3 on TAS3001) */
581 #define DEQ_LB0		0x0a	/* Left biquad 0 (15bytes) */
582 #define DEQ_LB1		0x0b	/* Left biquad 1 (15bytes) */
583 #define DEQ_LB2		0x0c	/* Left biquad 2 (15bytes) */
584 #define DEQ_LB3		0x0d	/* Left biquad 3 (15bytes) */
585 #define DEQ_LB4		0x0e	/* Left biquad 4 (15bytes) */
586 #define DEQ_LB5		0x0f	/* Left biquad 5 (15bytes) */
587 #define DEQ_LB6		0x10	/* Left biquad 6 (15bytes) */
588 #define DEQ_RB0		0x13	/* Right biquad 0 (15bytes) */
589 #define DEQ_RB1		0x14	/* Right biquad 1 (15bytes) */
590 #define DEQ_RB2		0x15	/* Right biquad 2 (15bytes) */
591 #define DEQ_RB3		0x16	/* Right biquad 3 (15bytes) */
592 #define DEQ_RB4		0x17	/* Right biquad 4 (15bytes) */
593 #define DEQ_RB5		0x18	/* Right biquad 5 (15bytes) */
594 #define DEQ_RB6		0x19	/* Right biquad 6 (15bytes) */
595 #define DEQ_LLB		0x21	/* Left loudness biquad (15bytes) */
596 #define DEQ_RLB		0x22	/* Right loudness biquad (15bytes) */
597 #define DEQ_LLB_GAIN	0x23	/* Left loudness biquad gain (3bytes) */
598 #define DEQ_RLB_GAIN	0x24	/* Right loudness biquad gain (3bytes) */
599 #define DEQ_ACR		0x40	/* [TAS3004] Analog control register (1byte) */
600 #define DEQ_MCR2	0x43	/* [TAS3004] Main control register 2 (1byte) */
601 #define DEQ_MCR1_FL	0x80	/* Fast load */
602 #define DEQ_MCR1_SC	0x40	/* SCLK frequency */
603 #define  DEQ_MCR1_SC_32	0x00	/*  32fs */
604 #define  DEQ_MCR1_SC_64	0x40	/*  64fs */
605 #define DEQ_MCR1_SM	0x30	/* Output serial port mode */
606 #define  DEQ_MCR1_SM_L	0x00	/*  Left justified */
607 #define  DEQ_MCR1_SM_R	0x10	/*  Right justified */
608 #define  DEQ_MCR1_SM_I2S 0x20	/*  I2S */
609 #define DEQ_MCR1_ISM	0x0c	/* [TAS3001] Input serial port mode */
610 #define  DEQ_MCR1_ISM_L	0x00	/*           Left justified */
611 #define  DEQ_MCR1_ISM_R	0x04	/*           Right justified */
612 #define  DEQ_MCR1_ISM_I2S 0x08	/*           I2S */
613 #define DEQ_MCR1_W	0x03	/* Serial port word length */
614 #define  DEQ_MCR1_W_16	0x00	/*  16 bit */
615 #define  DEQ_MCR1_W_18	0x01	/*  18 bit */
616 #define  DEQ_MCR1_W_20	0x02	/*  20 bit */
617 #define  DEQ_MCR1_W_24	0x03	/*  20 bit */
618 
619 #define DEQ_MCR2_DL	0x80	/* Download */
620 #define DEQ_MCR2_AP	0x02	/* All pass mode */
621 
622 #define DEQ_ACR_ADM	0x80	/* ADC output mode */
623 #define DEQ_ACR_LRB	0x40	/* Select B input */
624 #define DEQ_ACR_DM	0x0c	/* De-emphasis control */
625 #define  DEQ_ACR_DM_OFF	0x00	/*  off */
626 #define  DEQ_ACR_DM_48	0x04	/*  fs = 48kHz */
627 #define  DEQ_ACR_DM_44	0x08	/*  fs = 44.1kHz */
628 #define DEQ_ACR_INP	0x02	/* Analog input select */
629 #define  DEQ_ACR_INP_A	0x00	/*  A */
630 #define  DEQ_ACR_INP_B	0x02	/*  B */
631 #define DEQ_ACR_APD	0x01	/* Analog power down */
632 
633 struct tas3004_reg {
634 	u_char MCR1[1];
635 	u_char DRC[6];
636 	u_char VOLUME[6];
637 	u_char TREBLE[1];
638 	u_char BASS[1];
639 	u_char MIXER_L[9];
640 	u_char MIXER_R[9];
641 	u_char LB0[15];
642 	u_char LB1[15];
643 	u_char LB2[15];
644 	u_char LB3[15];
645 	u_char LB4[15];
646 	u_char LB5[15];
647 	u_char LB6[15];
648 	u_char RB0[15];
649 	u_char RB1[15];
650 	u_char RB2[15];
651 	u_char RB3[15];
652 	u_char RB4[15];
653 	u_char RB5[15];
654 	u_char RB6[15];
655 	u_char LLB[15];
656 	u_char RLB[15];
657 	u_char LLB_GAIN[3];
658 	u_char RLB_GAIN[3];
659 	u_char ACR[1];
660 	u_char MCR2[1];
661 };
662 
663 #define GPIO_OUTSEL	0xf0	/* Output select */
664 		/*	0x00	GPIO bit0 is output
665 			0x10	media-bay power
666 			0x20	reserved
667 			0x30	MPIC */
668 
669 #define GPIO_ALTOE	0x08	/* Alternate output enable */
670 		/*	0x00	Use DDR
671 			0x08	Use output select */
672 
673 #define GPIO_DDR	0x04	/* Data direction */
674 #define GPIO_DDR_OUTPUT	0x04	/* Output */
675 #define GPIO_DDR_INPUT	0x00	/* Input */
676 
677 #define GPIO_LEVEL	0x02	/* Pin level (RO) */
678 
679 #define	GPIO_DATA	0x01	/* Data */
680 
681 int
682 snapper_match(struct device *parent, struct cfdata *match, void *aux)
683 {
684 	struct confargs *ca;
685 	int soundbus, soundchip, soundcodec;
686 	char compat[32];
687 
688 	ca = aux;
689 	if (strcmp(ca->ca_name, "i2s") != 0)
690 		return 0;
691 
692 	if ((soundbus = OF_child(ca->ca_node)) == 0 ||
693 	    (soundchip = OF_child(soundbus)) == 0)
694 		return 0;
695 
696 	bzero(compat, sizeof compat);
697 	OF_getprop(soundchip, "compatible", compat, sizeof compat);
698 
699 	if (strcmp(compat, "snapper") == 0)
700 		return 1;
701 
702 	if (strcmp(compat, "tumbler") == 0)
703 		return 1;
704 
705 	if (strcmp(compat, "AOAKeylargo") == 0)
706 		return 1;
707 
708 	if (strcmp(compat, "AOAK2") == 0)
709 		return 1;
710 
711 	if (OF_getprop(soundchip, "platform-tas-codec-ref",
712 	    &soundcodec, sizeof soundcodec) == sizeof soundcodec)
713 		return 1;
714 
715 	return 0;
716 }
717 
718 void
719 snapper_attach(struct device *parent, struct device *self, void *aux)
720 {
721 	struct snapper_softc *sc;
722 	struct confargs *ca;
723 	int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
724 	int soundbus, intr[6];
725 	char compat[32];
726 
727 	sc = device_private(self);
728 	ca = aux;
729 
730 	soundbus = OF_child(ca->ca_node);
731 	bzero(compat, sizeof compat);
732 	OF_getprop(OF_child(soundbus), "compatible", compat, sizeof compat);
733 
734 	if (strcmp(compat, "tumbler") == 0)
735 		sc->sc_mode = SNAPPER_IS_TAS3001;
736 
737 	if (sc->sc_mode == SNAPPER_IS_TAS3001) {
738 		if (auconv_create_encodings(tumbler_formats, TUMBLER_NFORMATS,
739 				&sc->sc_encodings) != 0) {
740 			aprint_normal("can't create encodings\n");
741 			return;
742 		}
743 	} else {
744 		if (auconv_create_encodings(snapper_formats, SNAPPER_NFORMATS,
745 				&sc->sc_encodings) != 0) {
746 			aprint_normal("can't create encodings\n");
747 			return;
748 		}
749 	}
750 
751 	sc->sc_odmacmd = dbdma_alloc((SNAPPER_MAXPAGES + 4) *
752 				     sizeof(struct dbdma_command));
753 	sc->sc_idmacmd = dbdma_alloc((SNAPPER_MAXPAGES + 4) *
754 				     sizeof(struct dbdma_command));
755 
756 	sc->sc_baseaddr = ca->ca_baseaddr;
757 	ca->ca_reg[0] += ca->ca_baseaddr;
758 	ca->ca_reg[2] += ca->ca_baseaddr;
759 	ca->ca_reg[4] += ca->ca_baseaddr;
760 
761 	sc->sc_node = ca->ca_node;
762 	sc->sc_tag = ca->ca_tag;
763 	bus_space_map(sc->sc_tag, ca->ca_reg[0], ca->ca_reg[1], 0, &sc->sc_bsh);
764 	bus_space_map(sc->sc_tag, ca->ca_reg[2], ca->ca_reg[3],
765 	    BUS_SPACE_MAP_LINEAR, &sc->sc_odmah);
766 	bus_space_map(sc->sc_tag, ca->ca_reg[4], ca->ca_reg[5],
767 	    BUS_SPACE_MAP_LINEAR, &sc->sc_idmah);
768 	sc->sc_odma = bus_space_vaddr(sc->sc_tag, sc->sc_odmah);
769 	sc->sc_idma = bus_space_vaddr(sc->sc_tag, sc->sc_idmah);
770 
771 	OF_getprop(soundbus, "interrupts", intr, sizeof intr);
772 	cirq = intr[0];
773 	oirq = intr[2];
774 	iirq = intr[4];
775 	cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
776 	oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
777 	iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
778 
779 	/* intr_establish(cirq, cirq_type, IPL_AUDIO, snapper_intr, sc); */
780 	intr_establish(oirq, oirq_type, IPL_AUDIO, snapper_intr, sc);
781 	intr_establish(iirq, iirq_type, IPL_AUDIO, snapper_intr, sc);
782 
783 	aprint_normal(": irq %d,%d,%d\n", cirq, oirq, iirq);
784 
785 	config_defer(self, snapper_defer);
786 }
787 
788 void
789 snapper_defer(struct device *dev)
790 {
791 	struct snapper_softc *sc;
792 	struct device *dv;
793 	struct deq_softc *deq;
794 
795 	sc = device_private(dev);
796 	TAILQ_FOREACH(dv, &alldevs, dv_list) {
797 		if (device_is_a(dv, "deq")) {
798 			deq = device_private(dv);
799 			sc->sc_i2c = deq->sc_i2c;
800 			sc->sc_deqaddr = deq->sc_address;
801 		}
802 	}
803 
804 	/* If we don't find a codec, it's not the end of the world;
805 	 * we can control the volume in software in this case.
806 	 */
807 	if (sc->sc_i2c == NULL)
808 		sc->sc_mode = SNAPPER_SWVOL;
809 
810 	switch (sc->sc_mode) {
811 	case SNAPPER_SWVOL:
812 		aprint_verbose("%s: software codec\n", device_xname(dev));
813 		break;
814 	case SNAPPER_IS_TAS3001:
815 		aprint_verbose("%s: codec: TAS3001\n", device_xname(dev));
816 		break;
817 	case 0:
818 		aprint_verbose("%s: codec: TAS3004\n", device_xname(dev));
819 		break;
820 	}
821 
822 	audio_attach_mi(&snapper_hw_if, sc, &sc->sc_dev);
823 
824 	/* ki2c_setmode(sc->sc_i2c, I2C_STDSUBMODE); */
825 	snapper_init(sc, sc->sc_node);
826 }
827 
828 int
829 snapper_intr(void *v)
830 {
831 	struct snapper_softc *sc;
832 	struct dbdma_command *cmd;
833 	int count;
834 	int status;
835 
836 	sc = v;
837 	cmd = sc->sc_odmacmd;
838 	count = sc->sc_opages;
839 	/* Fill used buffer(s). */
840 	while (count-- > 0) {
841 		if ((in16rb(&cmd->d_command) & 0x30) == 0x30) {
842 			status = in16rb(&cmd->d_status);
843 			cmd->d_status = 0;
844 			if (status)	/* status == 0x8400 */
845 				if (sc->sc_ointr)
846 					(*sc->sc_ointr)(sc->sc_oarg);
847 		}
848 		cmd++;
849 	}
850 
851 	cmd = sc->sc_idmacmd;
852 	count = sc->sc_ipages;
853 	while (count-- > 0) {
854 		if ((in16rb(&cmd->d_command) & 0x30) == 0x30) {
855 			status = in16rb(&cmd->d_status);
856 			cmd->d_status = 0;
857 			if (status)	/* status == 0x8400 */
858 				if (sc->sc_iintr)
859 					(*sc->sc_iintr)(sc->sc_iarg);
860 		}
861 		cmd++;
862 	}
863 
864 
865 	return 1;
866 }
867 
868 
869 int
870 snapper_query_encoding(void *h, struct audio_encoding *ae)
871 {
872 
873 	struct snapper_softc *sc = h;
874 
875 	return auconv_query_encoding(sc->sc_encodings, ae);
876 }
877 
878 int
879 snapper_set_params(void *h, int setmode, int usemode,
880 		   audio_params_t *play, audio_params_t *rec,
881 		   stream_filter_list_t *pfil, stream_filter_list_t *rfil)
882 {
883 	struct snapper_softc *sc;
884 	audio_params_t *p;
885 	stream_filter_list_t *fil = NULL; /* XXX gcc */
886 	int mode;
887 
888 	sc = h;
889 	p = NULL;
890 
891 	/*
892 	 * This device only has one clock, so make the sample rates match.
893 	 */
894 	if (play->sample_rate != rec->sample_rate &&
895 	    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
896 		if (setmode == AUMODE_PLAY) {
897 			rec->sample_rate = play->sample_rate;
898 			setmode |= AUMODE_RECORD;
899 		} else if (setmode == AUMODE_RECORD) {
900 			play->sample_rate = rec->sample_rate;
901 			setmode |= AUMODE_PLAY;
902 		} else
903 			return EINVAL;
904 	}
905 
906 	for (mode = AUMODE_RECORD; mode != -1;
907 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
908 		if ((setmode & mode) == 0)
909 			continue;
910 
911 		p = mode == AUMODE_PLAY ? play : rec;
912 		fil = mode == AUMODE_PLAY ? pfil : rfil;
913 		if (sc->sc_mode == SNAPPER_IS_TAS3001) {
914 			if (auconv_set_converter(tumbler_formats,
915 				    TUMBLER_NFORMATS, mode, p, true, fil) < 0) {
916 				DPRINTF("snapper_set_params: "
917 					"auconv_set_converter failed\n");
918 				return EINVAL;
919 			}
920 		} else {	/* TAS 3004 */
921 			if (auconv_set_converter(snapper_formats,
922 				    SNAPPER_NFORMATS, mode, p, true, fil) < 0) {
923 				DPRINTF("snapper_set_params: "
924 					"auconv_set_converter failed\n");
925 				return EINVAL;
926 			}
927 		}
928 
929 		if (fil->req_size > 0)
930 			p = &fil->filters[0].param;
931 		if (p->precision == 16) {
932 			if (sc->sc_mode == SNAPPER_SWVOL)
933 				fil->prepend(fil, snapper_volume, p);
934 			else if (sc->sc_mode == 0 && p->channels == 2) {
935 				/*
936 				 * Fix phase problems on TAS3004.
937 				 * This filter must go last on the chain,
938 				 * so prepend it, not append it.
939 				 */
940 				fil->prepend(fil, snapper_fixphase, p);
941 			}
942 		}
943 	}
944 
945 	/* Set the speed. p points HW encoding. */
946 	if (p) {
947 		sc->sc_rate = p->sample_rate;
948 		sc->sc_bitspersample = p->precision;
949 	}
950 	return 0;
951 }
952 
953 int
954 snapper_round_blocksize(void *h, int size, int mode,
955 			const audio_params_t *param)
956 {
957 
958 	if (size < NBPG)
959 		size = NBPG;
960 	return size & ~PGOFSET;
961 }
962 
963 int
964 snapper_halt_output(void *h)
965 {
966 	struct snapper_softc *sc;
967 
968 	sc = h;
969 	dbdma_stop(sc->sc_odma);
970 	dbdma_reset(sc->sc_odma);
971 	sc->sc_ointr = NULL;
972 	return 0;
973 }
974 
975 int
976 snapper_halt_input(void *h)
977 {
978 	struct snapper_softc *sc;
979 
980 	sc = h;
981 	dbdma_stop(sc->sc_idma);
982 	dbdma_reset(sc->sc_idma);
983 	sc->sc_iintr = NULL;
984 	return 0;
985 }
986 
987 int
988 snapper_getdev(void *h, struct audio_device *retp)
989 {
990 
991 	*retp = snapper_device;
992 	return 0;
993 }
994 
995 enum {
996 	SNAPPER_MONITOR_CLASS,
997 	SNAPPER_OUTPUT_CLASS,
998 	SNAPPER_RECORD_CLASS,
999 	SNAPPER_OUTPUT_SELECT,
1000 	SNAPPER_VOL_OUTPUT,
1001 	SNAPPER_DIGI1,
1002 	SNAPPER_DIGI2,
1003 	SNAPPER_VOL_INPUT,
1004 	SNAPPER_TREBLE,
1005 	SNAPPER_BASS,
1006 	/* From this point, unsupported by the TAS 3001 */
1007 	SNAPPER_ANALOG,
1008 	SNAPPER_INPUT_SELECT,
1009 	SNAPPER_ENUM_LAST
1010 };
1011 
1012 int
1013 snapper_set_port(void *h, mixer_ctrl_t *mc)
1014 {
1015 	struct snapper_softc *sc;
1016 	int l, r;
1017 	u_char data;
1018 
1019 	DPRINTF("snapper_set_port dev = %d, type = %d\n", mc->dev, mc->type);
1020 	sc = h;
1021 	l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1022 	r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1023 
1024 	switch (mc->dev) {
1025 	case SNAPPER_OUTPUT_SELECT:
1026 		/* No change necessary? */
1027 		if (mc->un.mask == sc->sc_output_mask)
1028 			return 0;
1029 
1030 		snapper_mute_speaker(sc, 1);
1031 		snapper_mute_headphone(sc, 1);
1032 		if (mc->un.mask & 1 << 0)
1033 			snapper_mute_speaker(sc, 0);
1034 		if (mc->un.mask & 1 << 1)
1035 			snapper_mute_headphone(sc, 0);
1036 
1037 		sc->sc_output_mask = mc->un.mask;
1038 		return 0;
1039 
1040 	case SNAPPER_VOL_OUTPUT:
1041 		snapper_set_volume(sc, l, r);
1042 		return 0;
1043 
1044 	case SNAPPER_INPUT_SELECT:
1045 		if (sc->sc_mode != 0)
1046 			return ENXIO;
1047 
1048 		/* no change necessary? */
1049 		if (mc->un.mask == sc->sc_record_source)
1050 			return 0;
1051 		switch (mc->un.mask) {
1052 		case 1 << 0: /* microphone */
1053 			/* Select right channel of B input */
1054 			data = DEQ_ACR_ADM | DEQ_ACR_LRB | DEQ_ACR_INP_B;
1055 			tas3004_write(sc, DEQ_ACR, &data);
1056 			break;
1057 		case 1 << 1: /* line in */
1058 			/* Select both channels of A input */
1059 			data = 0;
1060 			tas3004_write(sc, DEQ_ACR, &data);
1061 			break;
1062 		default: /* invalid argument */
1063 			return EINVAL;
1064 		}
1065 		sc->sc_record_source = mc->un.mask;
1066 		return 0;
1067 
1068 	case SNAPPER_VOL_INPUT:
1069 		/* XXX TO BE DONE */
1070 		return 0;
1071 
1072 	case SNAPPER_BASS:
1073 		if (sc->sc_mode == SNAPPER_SWVOL)
1074 			return ENXIO;
1075 		snapper_set_bass(sc, l);
1076 		return 0;
1077 	case SNAPPER_TREBLE:
1078 		if (sc->sc_mode == SNAPPER_SWVOL)
1079 			return ENXIO;
1080 		snapper_set_treble(sc, l);
1081 		return 0;
1082 	case SNAPPER_DIGI1:
1083 		if (sc->sc_mode == SNAPPER_SWVOL)
1084 			return ENXIO;
1085 
1086 		sc->mixer[0] = l;
1087 		sc->mixer[3] = r;
1088 		snapper_write_mixers(sc);
1089 		return 0;
1090 	case SNAPPER_DIGI2:
1091 		if (sc->sc_mode == SNAPPER_SWVOL)
1092 			return ENXIO;
1093 
1094 		if (sc->sc_mode == SNAPPER_IS_TAS3001)
1095 			sc->mixer[3] = l;
1096 		else {
1097 			sc->mixer[1] = l;
1098 			sc->mixer[4] = r;
1099 		}
1100 		snapper_write_mixers(sc);
1101 		return 0;
1102 	case SNAPPER_ANALOG:
1103 		if (sc->sc_mode != 0)
1104 			return ENXIO;
1105 
1106 		sc->mixer[2] = l;
1107 		sc->mixer[5] = r;
1108 		snapper_write_mixers(sc);
1109 		return 0;
1110 	}
1111 	return ENXIO;
1112 }
1113 
1114 int
1115 snapper_get_port(void *h, mixer_ctrl_t *mc)
1116 {
1117 	struct snapper_softc *sc;
1118 
1119 	DPRINTF("snapper_get_port dev = %d, type = %d\n", mc->dev, mc->type);
1120 	sc = h;
1121 	switch (mc->dev) {
1122 	case SNAPPER_OUTPUT_SELECT:
1123 		mc->un.mask = sc->sc_output_mask;
1124 		return 0;
1125 
1126 	case SNAPPER_VOL_OUTPUT:
1127 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->sc_vol_l;
1128 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->sc_vol_r;
1129 		return 0;
1130 
1131 	case SNAPPER_INPUT_SELECT:
1132 		if (sc->sc_mode != 0)
1133 			return ENXIO;
1134 
1135 		mc->un.mask = sc->sc_record_source;
1136 		return 0;
1137 
1138 	case SNAPPER_VOL_INPUT:
1139 		/* XXX TO BE DONE */
1140 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 0;
1141 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 0;
1142 		return 0;
1143 
1144 	case SNAPPER_TREBLE:
1145 		if (sc->sc_mode == SNAPPER_SWVOL)
1146 			return ENXIO;
1147 		mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble;
1148 		return 0;
1149 	case SNAPPER_BASS:
1150 		if (sc->sc_mode == SNAPPER_SWVOL)
1151 			return ENXIO;
1152 		mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass;
1153 		return 0;
1154 
1155 	case SNAPPER_DIGI1:
1156 		if (sc->sc_mode == SNAPPER_SWVOL)
1157 			return ENXIO;
1158 
1159 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->mixer[0];
1160 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->mixer[3];
1161 		return 0;
1162 	case SNAPPER_DIGI2:
1163 		if (sc->sc_mode == SNAPPER_SWVOL)
1164 			return ENXIO;
1165 
1166 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->mixer[1];
1167 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->mixer[4];
1168 		return 0;
1169 	case SNAPPER_ANALOG:
1170 		if (sc->sc_mode != 0)
1171 			return ENXIO;
1172 
1173 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->mixer[2];
1174 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->mixer[5];
1175 		return 0;
1176 	default:
1177 		return ENXIO;
1178 	}
1179 
1180 	return 0;
1181 }
1182 
1183 int
1184 snapper_query_devinfo(void *h, mixer_devinfo_t *dip)
1185 {
1186 	struct snapper_softc *sc = h;
1187 
1188 	switch (dip->index) {
1189 
1190 	case SNAPPER_OUTPUT_SELECT:
1191 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1192 		strcpy(dip->label.name, AudioNoutput);
1193 		dip->type = AUDIO_MIXER_SET;
1194 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1195 		dip->un.s.num_mem = 2;
1196 		strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
1197 		dip->un.s.member[0].mask = 1 << 0;
1198 		strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
1199 		dip->un.s.member[1].mask = 1 << 1;
1200 		return 0;
1201 
1202 	case SNAPPER_VOL_OUTPUT:
1203 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1204 		strcpy(dip->label.name, AudioNmaster);
1205 		dip->type = AUDIO_MIXER_VALUE;
1206 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1207 		dip->un.v.num_channels = 2;
1208 		strcpy(dip->un.v.units.name, AudioNvolume);
1209 		return 0;
1210 
1211 	case SNAPPER_INPUT_SELECT:
1212 		if (sc->sc_mode != 0)
1213 			return ENXIO;
1214 
1215 		dip->mixer_class = SNAPPER_RECORD_CLASS;
1216 		strcpy(dip->label.name, AudioNsource);
1217 		dip->type = AUDIO_MIXER_SET;
1218 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1219 		dip->un.s.num_mem = 2;
1220 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1221 		dip->un.s.member[0].mask = 1 << 0;
1222 		strcpy(dip->un.s.member[1].label.name, AudioNline);
1223 		dip->un.s.member[1].mask = 1 << 1;
1224 		return 0;
1225 
1226 	case SNAPPER_VOL_INPUT:
1227 		dip->mixer_class = SNAPPER_RECORD_CLASS;
1228 		strcpy(dip->label.name, AudioNrecord);
1229 		dip->type = AUDIO_MIXER_VALUE;
1230 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1231 		dip->un.v.num_channels = 2;
1232 		strcpy(dip->un.v.units.name, AudioNvolume);
1233 		return 0;
1234 
1235 	case SNAPPER_MONITOR_CLASS:
1236 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1237 		strcpy(dip->label.name, AudioCmonitor);
1238 		dip->type = AUDIO_MIXER_CLASS;
1239 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1240 		return 0;
1241 
1242 	case SNAPPER_OUTPUT_CLASS:
1243 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1244 		strcpy(dip->label.name, AudioCoutputs);
1245 		dip->type = AUDIO_MIXER_CLASS;
1246 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1247 		return 0;
1248 
1249 	case SNAPPER_RECORD_CLASS:
1250 		dip->mixer_class = SNAPPER_RECORD_CLASS;
1251 		strcpy(dip->label.name, AudioCrecord);
1252 		dip->type = AUDIO_MIXER_CLASS;
1253 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1254 		return 0;
1255 
1256 	case SNAPPER_TREBLE:
1257 		if (sc->sc_mode == SNAPPER_SWVOL)
1258 			return ENXIO;
1259 
1260 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1261 		strcpy(dip->label.name, AudioNtreble);
1262 		dip->type = AUDIO_MIXER_VALUE;
1263 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1264 		dip->un.v.num_channels = 1;
1265 		return 0;
1266 
1267 	case SNAPPER_BASS:
1268 		if (sc->sc_mode == SNAPPER_SWVOL)
1269 			return ENXIO;
1270 
1271 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1272 		strcpy(dip->label.name, AudioNbass);
1273 		dip->type = AUDIO_MIXER_VALUE;
1274 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1275 		dip->un.v.num_channels = 1;
1276 		return 0;
1277 
1278 	case SNAPPER_DIGI1:
1279 		if (sc->sc_mode == SNAPPER_SWVOL)
1280 			return ENXIO;
1281 
1282 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1283 		strcpy(dip->label.name, AudioNdac);
1284 		dip->type = AUDIO_MIXER_VALUE;
1285 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1286 		dip->un.v.num_channels =
1287 			sc->sc_mode == SNAPPER_IS_TAS3001? 1 : 2;
1288 		return 0;
1289 	case SNAPPER_DIGI2:
1290 		if (sc->sc_mode == SNAPPER_SWVOL)
1291 			return ENXIO;
1292 
1293 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1294 		strcpy(dip->label.name, AudioNline);
1295 		dip->type = AUDIO_MIXER_VALUE;
1296 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1297 		dip->un.v.num_channels =
1298 			sc->sc_mode == SNAPPER_IS_TAS3001? 1 : 2;
1299 		return 0;
1300 	case SNAPPER_ANALOG:
1301 		if (sc->sc_mode != 0)
1302 			return ENXIO;
1303 
1304 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1305 		strcpy(dip->label.name, AudioNmicrophone);
1306 		dip->type = AUDIO_MIXER_VALUE;
1307 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1308 		dip->un.v.num_channels = 2;
1309 		return 0;
1310 	}
1311 
1312 	return ENXIO;
1313 }
1314 
1315 size_t
1316 snapper_round_buffersize(void *h, int dir, size_t size)
1317 {
1318 
1319 	if (size > 65536)
1320 		size = 65536;
1321 	return size;
1322 }
1323 
1324 paddr_t
1325 snapper_mappage(void *h, void *mem, off_t off, int prot)
1326 {
1327 
1328 	if (off < 0)
1329 		return -1;
1330 	return -1;	/* XXX */
1331 }
1332 
1333 int
1334 snapper_get_props(void *h)
1335 {
1336 	return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
1337 }
1338 
1339 int
1340 snapper_trigger_output(void *h, void *start, void *end, int bsize,
1341 		       void (*intr)(void *), void *arg,
1342 		       const audio_params_t *param)
1343 {
1344 	struct snapper_softc *sc;
1345 	struct dbdma_command *cmd;
1346 	vaddr_t va;
1347 	int i, len, intmode;
1348 	int res;
1349 
1350 	DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
1351 	sc = h;
1352 
1353 	if ((res = snapper_set_rate(sc)) != 0)
1354 		return res;
1355 
1356 	cmd = sc->sc_odmacmd;
1357 	sc->sc_ointr = intr;
1358 	sc->sc_oarg = arg;
1359 	sc->sc_opages = ((char *)end - (char *)start) / NBPG;
1360 
1361 #ifdef DIAGNOSTIC
1362 	if (sc->sc_opages > SNAPPER_MAXPAGES)
1363 		panic("snapper_trigger_output");
1364 #endif
1365 
1366 	va = (vaddr_t)start;
1367 	len = 0;
1368 	for (i = sc->sc_opages; i > 0; i--) {
1369 		len += NBPG;
1370 		if (len < bsize)
1371 			intmode = 0;
1372 		else {
1373 			len = 0;
1374 			intmode = DBDMA_INT_ALWAYS;
1375 		}
1376 
1377 		DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, NBPG, vtophys(va),
1378 		    intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1379 		cmd++;
1380 		va += NBPG;
1381 	}
1382 
1383 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0,
1384 	    0/*vtophys((vaddr_t)sc->sc_odmacmd)*/, 0, DBDMA_WAIT_NEVER,
1385 	    DBDMA_BRANCH_ALWAYS);
1386 
1387 	out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
1388 
1389 	dbdma_start(sc->sc_odma, sc->sc_odmacmd);
1390 
1391 	return 0;
1392 }
1393 
1394 int
1395 snapper_trigger_input(void *h, void *start, void *end, int bsize,
1396 		      void (*intr)(void *), void *arg,
1397 		      const audio_params_t *param)
1398 {
1399 	struct snapper_softc *sc;
1400 	struct dbdma_command *cmd;
1401 	vaddr_t va;
1402 	int i, len, intmode;
1403 	int res;
1404 
1405 	DPRINTF("trigger_input %p %p 0x%x\n", start, end, bsize);
1406 	sc = h;
1407 
1408 	if ((res = snapper_set_rate(sc)) != 0)
1409 		return res;
1410 
1411 	cmd = sc->sc_idmacmd;
1412 	sc->sc_iintr = intr;
1413 	sc->sc_iarg = arg;
1414 	sc->sc_ipages = ((char *)end - (char *)start) / NBPG;
1415 
1416 #ifdef DIAGNOSTIC
1417 	if (sc->sc_ipages > SNAPPER_MAXPAGES)
1418 		panic("snapper_trigger_input");
1419 #endif
1420 
1421 	va = (vaddr_t)start;
1422 	len = 0;
1423 	for (i = sc->sc_ipages; i > 0; i--) {
1424 		len += NBPG;
1425 		if (len < bsize)
1426 			intmode = 0;
1427 		else {
1428 			len = 0;
1429 			intmode = DBDMA_INT_ALWAYS;
1430 		}
1431 
1432 		DBDMA_BUILD(cmd, DBDMA_CMD_IN_MORE, 0, NBPG, vtophys(va),
1433 		    intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1434 		cmd++;
1435 		va += NBPG;
1436 	}
1437 
1438 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0,
1439 	    0/*vtophys((vaddr_t)sc->sc_odmacmd)*/, 0, DBDMA_WAIT_NEVER,
1440 	    DBDMA_BRANCH_ALWAYS);
1441 
1442 	out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_idmacmd));
1443 
1444 	dbdma_start(sc->sc_idma, sc->sc_idmacmd);
1445 
1446 	return 0;
1447 }
1448 
1449 void
1450 snapper_set_volume(struct snapper_softc *sc, u_int left, u_int right)
1451 {
1452 	u_char regs[6];
1453 	int l, r;
1454 
1455 	left &= 0xFF;
1456 	right &= 0xFF;
1457 
1458 	if (sc->sc_mode == SNAPPER_SWVOL) {
1459 		snapper_vol_l = left;
1460 		snapper_vol_r = right;
1461 	} else {
1462 		/*
1463 		 * for some insane reason the gain table for master volume and the
1464 		 * mixer channels is almost identical - just shifted by 4 bits
1465 		 * so we use the mixer_gain table and bit-twiddle it...
1466 		 */
1467 		l = 177 - (left * 178 / 256);
1468 		regs[0] =  (snapper_mixer_gain[l][0] >> 4);
1469 		regs[1] = ((snapper_mixer_gain[l][0] & 0x0f) << 4) |
1470 			   (snapper_mixer_gain[l][1] >> 4);
1471 		regs[2] = ((snapper_mixer_gain[l][1] & 0x0f) << 4) |
1472 			   (snapper_mixer_gain[l][2] >> 4);
1473 
1474 		r = 177 - (right * 178 / 256);
1475 		regs[3] =  (snapper_mixer_gain[r][0] >> 4);
1476 		regs[4] = ((snapper_mixer_gain[r][0] & 0x0f) << 4) |
1477 			   (snapper_mixer_gain[r][1] >> 4);
1478 		regs[5] = ((snapper_mixer_gain[r][1] & 0x0f) << 4) |
1479 			   (snapper_mixer_gain[r][2] >> 4);
1480 
1481 		tas3004_write(sc, DEQ_VOLUME, regs);
1482 
1483 		DPRINTF("%d %02x %02x %02x : %d %02x %02x %02x\n", l, regs[0],
1484 		    regs[1], regs[2], r, regs[3], regs[4], regs[5]);
1485 	}
1486 
1487 	sc->sc_vol_l = left;
1488 	sc->sc_vol_r = right;
1489 }
1490 
1491 static void
1492 snapper_set_basstreble(struct snapper_softc *sc, u_int val, u_int mode)
1493 {
1494 	int i = val & 0xFF;
1495 	uint8_t reg;
1496 
1497 	/*
1498 	 * Make 128 match the 0 dB point
1499 	 */
1500 	i = (i - (128 - (SNAPPER_BASSTAB_0DB << 2))) >> 2;
1501 	if (i < 0)
1502 		i = 0;
1503 	else if (i >= sizeof(snapper_basstab))
1504 		i = sizeof(snapper_basstab) - 1;
1505 	reg = snapper_basstab[i];
1506 
1507 	if (sc->sc_mode == SNAPPER_IS_TAS3001 &&
1508 	    mode == DEQ_BASS) {
1509 	    /*
1510 	     * XXX -- The TAS3001 bass table is different
1511 	     *        than the other tables.
1512 	     */
1513 	    reg = (reg >> 1) + 5; // map 0x72 -> 0x3E (0 dB)
1514 	}
1515 
1516 	tas3004_write(sc, mode, &reg);
1517 }
1518 
1519 void
1520 snapper_set_treble(struct snapper_softc *sc, u_int val)
1521 {
1522 	if (sc->sc_treble != (u_char)val) {
1523 		sc->sc_treble = val;
1524 		snapper_set_basstreble(sc, val, DEQ_TREBLE);
1525 	}
1526 }
1527 
1528 void
1529 snapper_set_bass(struct snapper_softc *sc, u_int val)
1530 {
1531 	if (sc->sc_bass != (u_char)val) {
1532 		sc->sc_bass = val;
1533 		snapper_set_basstreble(sc, val, DEQ_BASS);
1534 	}
1535 }
1536 
1537 
1538 /*
1539  * In the mixer gain setting, make 128 correspond to
1540  * the 0dB value from the table.
1541  * Note that the table values are complemented.
1542  */
1543 #define SNAPPER_MIXER_GAIN_SIZE	(sizeof(snapper_mixer_gain) / \
1544                                	 sizeof(snapper_mixer_gain[0]))
1545 #define NORMALIZE(i)	((~(i) & 0xff) - ((~128 & 0xff) - SNAPPER_MIXER_GAIN_0DB))
1546 #define ADJUST(v, i)	do { \
1547                 		(v) = NORMALIZE(i);\
1548 				if ((v) < 0) \
1549 					(v) = 0; \
1550 				else if ((v) >= SNAPPER_MIXER_GAIN_SIZE) \
1551 					(v) = SNAPPER_MIXER_GAIN_SIZE - 1; \
1552 				\
1553 			} while (0)
1554 void
1555 snapper_write_mixers(struct snapper_softc *sc)
1556 {
1557 	uint8_t regs[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
1558 	int i;
1559 
1560 	/* Left channel of SDIN1 */
1561 	ADJUST(i, sc->mixer[0]);
1562 	regs[0] = snapper_mixer_gain[i][0];
1563 	regs[1] = snapper_mixer_gain[i][1];
1564 	regs[2] = snapper_mixer_gain[i][2];
1565 
1566 	/* Left channel of SDIN2 */
1567 	ADJUST(i, sc->mixer[1]);
1568 	regs[3] = snapper_mixer_gain[i][0];
1569 	regs[4] = snapper_mixer_gain[i][1];
1570 	regs[5] = snapper_mixer_gain[i][2];
1571 
1572 	/* Left channel of analog input */
1573 	ADJUST(i, sc->mixer[2]);
1574 	regs[6] = snapper_mixer_gain[i][0];
1575 	regs[7] = snapper_mixer_gain[i][1];
1576 	regs[8] = snapper_mixer_gain[i][2];
1577 
1578 	tas3004_write(sc, DEQ_MIXER_L, regs);
1579 
1580 	/* Right channel of SDIN1 */
1581 	ADJUST(i, sc->mixer[3]);
1582 	regs[0] = snapper_mixer_gain[i][0];
1583 	regs[1] = snapper_mixer_gain[i][1];
1584 	regs[2] = snapper_mixer_gain[i][2];
1585 
1586 	/* Right channel of SDIN2 */
1587 	ADJUST(i, sc->mixer[4]);
1588 	regs[3] = snapper_mixer_gain[i][0];
1589 	regs[4] = snapper_mixer_gain[i][1];
1590 	regs[5] = snapper_mixer_gain[i][2];
1591 
1592 	/* Right channel of analog input */
1593 	ADJUST(i, sc->mixer[5]);
1594 	regs[6] = snapper_mixer_gain[i][0];
1595 	regs[7] = snapper_mixer_gain[i][1];
1596 	regs[8] = snapper_mixer_gain[i][2];
1597 
1598 	tas3004_write(sc, DEQ_MIXER_R, regs);
1599 }
1600 
1601 #define CLKSRC_49MHz	0x80000000	/* Use 49152000Hz Osc. */
1602 #define CLKSRC_45MHz	0x40000000	/* Use 45158400Hz Osc. */
1603 #define CLKSRC_18MHz	0x00000000	/* Use 18432000Hz Osc. */
1604 #define MCLK_DIV	0x1f000000	/* MCLK = SRC / DIV */
1605 #define  MCLK_DIV1	0x14000000	/*  MCLK = SRC */
1606 #define  MCLK_DIV3	0x13000000	/*  MCLK = SRC / 3 */
1607 #define  MCLK_DIV5	0x12000000	/*  MCLK = SRC / 5 */
1608 #define SCLK_DIV	0x00f00000	/* SCLK = MCLK / DIV */
1609 #define  SCLK_DIV1	0x00800000
1610 #define  SCLK_DIV3	0x00900000
1611 #define SCLK_MASTER	0x00080000	/* Master mode */
1612 #define SCLK_SLAVE	0x00000000	/* Slave mode */
1613 #define SERIAL_FORMAT	0x00070000
1614 #define  SERIAL_SONY	0x00000000
1615 #define  SERIAL_64x	0x00010000
1616 #define  SERIAL_32x	0x00020000
1617 #define  SERIAL_DAV	0x00040000
1618 #define  SERIAL_SILICON	0x00050000
1619 
1620 /*
1621  * rate = fs = LRCLK
1622  * SCLK = 64*LRCLK (I2S)
1623  * MCLK = 256fs (typ. -- changeable)
1624  *
1625  * MCLK = clksrc / mdiv
1626  * SCLK = MCLK / sdiv
1627  * rate = SCLK / 64    ( = LRCLK = fs)
1628  */
1629 
1630 int
1631 snapper_set_rate(struct snapper_softc *sc)
1632 {
1633 	u_int reg = 0, x;
1634 	u_int rate = sc->sc_rate;
1635 	uint32_t wordsize, ows;
1636 	int MCLK;
1637 	int clksrc, mdiv, sdiv;
1638 	int mclk_fs;
1639 	int timo;
1640 	uint8_t mcr1;
1641 
1642 	switch (rate) {
1643 	case 44100:
1644 		clksrc = 45158400;		/* 45MHz */
1645 		reg = CLKSRC_45MHz;
1646 		mclk_fs = 256;
1647 		break;
1648 
1649 	case 32000:
1650 	case 48000:
1651 	case 96000:
1652 		clksrc = 49152000;		/* 49MHz */
1653 		reg = CLKSRC_49MHz;
1654 		mclk_fs = 256;
1655 		break;
1656 
1657 	default:
1658 		DPRINTF("snapper_set_rate: invalid rate %u\n", rate);
1659 		return EINVAL;
1660 	}
1661 
1662 	MCLK = rate * mclk_fs;
1663 	mdiv = clksrc / MCLK;			/* 4 */
1664 	sdiv = mclk_fs / 64;			/* 4 */
1665 
1666 	switch (mdiv) {
1667 	case 1:
1668 		reg |= MCLK_DIV1;
1669 		break;
1670 	case 3:
1671 		reg |= MCLK_DIV3;
1672 		break;
1673 	case 5:
1674 		reg |= MCLK_DIV5;
1675 		break;
1676 	default:
1677 		reg |= ((mdiv / 2 - 1) << 24) & 0x1f000000;
1678 		break;
1679 	}
1680 
1681 	switch (sdiv) {
1682 	case 1:
1683 		reg |= SCLK_DIV1;
1684 		break;
1685 	case 3:
1686 		reg |= SCLK_DIV3;
1687 		break;
1688 	default:
1689 		reg |= ((sdiv / 2 - 1) << 20) & 0x00f00000;
1690 		break;
1691 	}
1692 
1693 	reg |= SCLK_MASTER;	/* XXX master mode */
1694 
1695 	reg |= SERIAL_64x;
1696 
1697 	/* stereo input and output */
1698 
1699 	DPRINTF("precision: %d\n", sc->sc_bitspersample);
1700 	switch(sc->sc_bitspersample) {
1701 		case 16:
1702 			wordsize = 0x02000200;
1703 			mcr1 = DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_16;
1704 			break;
1705 		case 24:
1706 			wordsize = 0x03000300;
1707 			mcr1 = DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_24;
1708 			break;
1709 		default:
1710 			printf("%s: unsupported sample size %d\n",
1711 			    sc->sc_dev.dv_xname, sc->sc_bitspersample);
1712 			return EINVAL;
1713 	}
1714 
1715 	if (sc->sc_mode == SNAPPER_IS_TAS3001)
1716 		mcr1 |= DEQ_MCR1_ISM_I2S;
1717 
1718 	ows = bus_space_read_4(sc->sc_tag, sc->sc_bsh, I2S_WORDSIZE);
1719 
1720 	DPRINTF("I2SSetDataWordSizeReg 0x%08x -> 0x%08x\n",
1721 	    ows, wordsize);
1722 	if (ows != wordsize) {
1723 		bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_WORDSIZE,
1724 		    wordsize);
1725 		if (sc->sc_mode != SNAPPER_SWVOL)
1726 			tas3004_write(sc, DEQ_MCR1, &mcr1);
1727 	}
1728 
1729 	x = bus_space_read_4(sc->sc_tag, sc->sc_bsh, I2S_FORMAT);
1730 	if (x == reg)
1731 		return 0;        /* No change; do nothing. */
1732 
1733 	DPRINTF("I2SSetSerialFormatReg 0x%x -> 0x%x\n",
1734 	    bus_space_read_4(sc->sc_tag, sc->sc_bsh, + I2S_FORMAT), reg);
1735 
1736 	/* Clear CLKSTOPPEND. */
1737 	bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_INT, I2S_INT_CLKSTOPPEND);
1738 
1739 	x = in32rb(sc->sc_baseaddr + KEYLARGO_FCR1);                /* FCR */
1740 	x &= ~I2S0CLKEN;                /* XXX I2S0 */
1741 	out32rb(sc->sc_baseaddr + KEYLARGO_FCR1, x);
1742 
1743 	/* Wait until clock is stopped. */
1744 	for (timo = 1000; timo > 0; timo--) {
1745 		if (bus_space_read_4(sc->sc_tag, sc->sc_bsh, I2S_INT) &
1746 		    I2S_INT_CLKSTOPPEND)
1747 			goto done;
1748 		delay(1);
1749 	}
1750 	DPRINTF("snapper_set_rate: timeout\n");
1751 done:
1752 	bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_FORMAT, reg);
1753 
1754 	x = in32rb(sc->sc_baseaddr + KEYLARGO_FCR1);
1755 	x |= I2S0CLKEN;
1756 	out32rb(sc->sc_baseaddr + KEYLARGO_FCR1, x);
1757 
1758 	return 0;
1759 }
1760 
1761 const struct tas3004_reg tas3004_initdata = {
1762 	{ DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_16 },	/* MCR1 */
1763 	{ 1, 0, 0, 0, 0, 0 },					/* DRC */
1764 	{ 0, 0, 0, 0, 0, 0 },					/* VOLUME */
1765 	{ 0x72 },						/* TREBLE */
1766 	{ 0x72 },						/* BASS */
1767 	{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 },			/* MIXER_L */
1768 	{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 },			/* MIXER_R */
1769 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1770 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1771 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1772 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1773 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1774 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1775 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1776 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1777 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1778 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1779 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1780 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1781 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1782 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1783 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1784 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1785 	{ 0, 0, 0 },						/* LLB_GAIN */
1786 	{ 0, 0, 0 },						/* RLB_GAIN */
1787 	{ DEQ_ACR_ADM | DEQ_ACR_LRB | DEQ_ACR_INP_B },		/* ACR - right channel of input B is the microphone */
1788 	{ 2 }							/* MCR2 - AllPass mode since we don't use the equalizer anyway */
1789 };
1790 
1791 const char tas3004_regsize[] = {
1792 	0,					/* 0x00 */
1793 	sizeof tas3004_initdata.MCR1,		/* 0x01 */
1794 	sizeof tas3004_initdata.DRC,		/* 0x02 */
1795 	0,					/* 0x03 */
1796 	sizeof tas3004_initdata.VOLUME,		/* 0x04 */
1797 	sizeof tas3004_initdata.TREBLE,		/* 0x05 */
1798 	sizeof tas3004_initdata.BASS,		/* 0x06 */
1799 	sizeof tas3004_initdata.MIXER_L,	/* 0x07 */
1800 	sizeof tas3004_initdata.MIXER_R,	/* 0x08 */
1801 	0,					/* 0x09 */
1802 	sizeof tas3004_initdata.LB0,		/* 0x0a */
1803 	sizeof tas3004_initdata.LB1,		/* 0x0b */
1804 	sizeof tas3004_initdata.LB2,		/* 0x0c */
1805 	sizeof tas3004_initdata.LB3,		/* 0x0d */
1806 	sizeof tas3004_initdata.LB4,		/* 0x0e */
1807 	sizeof tas3004_initdata.LB5,		/* 0x0f */
1808 	sizeof tas3004_initdata.LB6,		/* 0x10 */
1809 	0,					/* 0x11 */
1810 	0,					/* 0x12 */
1811 	sizeof tas3004_initdata.RB0,		/* 0x13 */
1812 	sizeof tas3004_initdata.RB1,		/* 0x14 */
1813 	sizeof tas3004_initdata.RB2,		/* 0x15 */
1814 	sizeof tas3004_initdata.RB3,		/* 0x16 */
1815 	sizeof tas3004_initdata.RB4,		/* 0x17 */
1816 	sizeof tas3004_initdata.RB5,		/* 0x18 */
1817 	sizeof tas3004_initdata.RB6,		/* 0x19 */
1818 	0,0,0,0, 0,0,
1819 	0,					/* 0x20 */
1820 	sizeof tas3004_initdata.LLB,		/* 0x21 */
1821 	sizeof tas3004_initdata.RLB,		/* 0x22 */
1822 	sizeof tas3004_initdata.LLB_GAIN,	/* 0x23 */
1823 	sizeof tas3004_initdata.RLB_GAIN,	/* 0x24 */
1824 	0,0,0,0, 0,0,0,0, 0,0,0,
1825 	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
1826 	sizeof tas3004_initdata.ACR,		/* 0x40 */
1827 	0,					/* 0x41 */
1828 	0,					/* 0x42 */
1829 	sizeof tas3004_initdata.MCR2		/* 0x43 */
1830 };
1831 
1832 int
1833 tas3004_write(struct snapper_softc *sc, u_int reg, const void *data)
1834 {
1835 	int size;
1836 	static char regblock[sizeof(struct tas3004_reg)+1];
1837 
1838 	if (sc->sc_i2c == NULL)
1839 		return 0;
1840 
1841 	KASSERT(reg < sizeof tas3004_regsize);
1842 	size = tas3004_regsize[reg];
1843 	KASSERT(size > 0);
1844 
1845 	DPRINTF("reg: %x, %d %d\n", reg, size, ((const char*)data)[0]);
1846 
1847 	regblock[0] = reg;
1848 	memcpy(&regblock[1], data, size);
1849 	if (sc->sc_mode == SNAPPER_IS_TAS3001) {
1850 		if (reg == DEQ_MIXER_L || reg == DEQ_MIXER_R)
1851 			size = 3;
1852 		else if (reg == DEQ_DRC || reg == DEQ_ACR ||
1853 			 reg == DEQ_MCR2) {
1854 			/* these registers are not available on TAS3001 */
1855 			return 0;
1856 		}
1857 	}
1858 	iic_acquire_bus(sc->sc_i2c, 0);
1859 	iic_exec(sc->sc_i2c, I2C_OP_WRITE, sc->sc_deqaddr, regblock, size + 1,
1860 	    NULL, 0, 0);
1861 	iic_release_bus(sc->sc_i2c, 0);
1862 
1863 	return 0;
1864 }
1865 
1866 int
1867 gpio_read(char *addr)
1868 {
1869 
1870 	if (*addr & GPIO_DATA)
1871 		return 1;
1872 	return 0;
1873 }
1874 
1875 void
1876 gpio_write(char *addr, int val)
1877 {
1878 	u_int data;
1879 
1880 	data = GPIO_DDR_OUTPUT;
1881 	if (val)
1882 		data |= GPIO_DATA;
1883 	*addr = data;
1884 	__asm volatile ("eieio");
1885 }
1886 
1887 #define headphone_active 0	/* XXX OF */
1888 #define amp_active 0		/* XXX OF */
1889 
1890 void
1891 snapper_mute_speaker(struct snapper_softc *sc, int mute)
1892 {
1893 	u_int x;
1894 
1895 	DPRINTF("ampmute %d --> ", gpio_read(amp_mute));
1896 
1897 	if (mute)
1898 		x = amp_active;		/* mute */
1899 	else
1900 		x = !amp_active;	/* unmute */
1901 	if (x != gpio_read(amp_mute))
1902 		gpio_write(amp_mute, x);
1903 
1904 	DPRINTF("%d\n", gpio_read(amp_mute));
1905 }
1906 
1907 void
1908 snapper_mute_headphone(struct snapper_softc *sc, int mute)
1909 {
1910 	u_int x;
1911 
1912 	DPRINTF("headphonemute %d --> ", gpio_read(headphone_mute));
1913 
1914 	if (mute)
1915 		x = headphone_active;	/* mute */
1916 	else
1917 		x = !headphone_active;	/* unmute */
1918 	if (x != gpio_read(headphone_mute))
1919 		gpio_write(headphone_mute, x);
1920 
1921 	DPRINTF("%d\n", gpio_read(headphone_mute));
1922 }
1923 
1924 int
1925 snapper_cint(void *v)
1926 {
1927 	struct snapper_softc *sc;
1928 	u_int sense;
1929 
1930 	sc = v;
1931 	sense = *headphone_detect;
1932 	DPRINTF("headphone detect = 0x%x\n", sense);
1933 
1934 	if (((sense & 0x02) >> 1) == headphone_detect_active) {
1935 		DPRINTF("headphone is inserted\n");
1936 		snapper_mute_speaker(sc, 1);
1937 		snapper_mute_headphone(sc, 0);
1938 		sc->sc_output_mask = 1 << 1;
1939 	} else {
1940 		DPRINTF("headphone is NOT inserted\n");
1941 		snapper_mute_speaker(sc, 0);
1942 		snapper_mute_headphone(sc, 1);
1943 		sc->sc_output_mask = 1 << 0;
1944 	}
1945 
1946 	return 1;
1947 }
1948 
1949 #define reset_active 0	/* XXX OF */
1950 
1951 #define DEQ_WRITE(sc, reg, addr) \
1952 	if (tas3004_write(sc, reg, addr)) goto err
1953 
1954 int
1955 tas3004_init(struct snapper_softc *sc)
1956 {
1957 
1958 	/* No reset port.  Nothing to do. */
1959 	if (audio_hw_reset == NULL)
1960 		goto noreset;
1961 
1962 	/* Reset TAS3004. */
1963 	gpio_write(audio_hw_reset, !reset_active);	/* Negate RESET */
1964 	delay(100000);				/* XXX Really needed? */
1965 
1966 	gpio_write(audio_hw_reset, reset_active);	/* Assert RESET */
1967 	delay(1);
1968 
1969 	gpio_write(audio_hw_reset, !reset_active);	/* Negate RESET */
1970 	delay(10000);
1971 
1972 noreset:
1973 	DEQ_WRITE(sc, DEQ_LB0, tas3004_initdata.LB0);
1974 	DEQ_WRITE(sc, DEQ_LB1, tas3004_initdata.LB1);
1975 	DEQ_WRITE(sc, DEQ_LB2, tas3004_initdata.LB2);
1976 	DEQ_WRITE(sc, DEQ_LB3, tas3004_initdata.LB3);
1977 	DEQ_WRITE(sc, DEQ_LB4, tas3004_initdata.LB4);
1978 	DEQ_WRITE(sc, DEQ_LB5, tas3004_initdata.LB5);
1979 	DEQ_WRITE(sc, DEQ_LB6, tas3004_initdata.LB6);
1980 	DEQ_WRITE(sc, DEQ_RB0, tas3004_initdata.RB0);
1981 	DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
1982 	DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
1983 	DEQ_WRITE(sc, DEQ_RB2, tas3004_initdata.RB2);
1984 	DEQ_WRITE(sc, DEQ_RB3, tas3004_initdata.RB3);
1985 	DEQ_WRITE(sc, DEQ_RB4, tas3004_initdata.RB4);
1986 	DEQ_WRITE(sc, DEQ_RB5, tas3004_initdata.RB5);
1987 	DEQ_WRITE(sc, DEQ_MCR1, tas3004_initdata.MCR1);
1988 	DEQ_WRITE(sc, DEQ_MCR2, tas3004_initdata.MCR2);
1989 	DEQ_WRITE(sc, DEQ_DRC, tas3004_initdata.DRC);
1990 	DEQ_WRITE(sc, DEQ_VOLUME, tas3004_initdata.VOLUME);
1991 	DEQ_WRITE(sc, DEQ_TREBLE, tas3004_initdata.TREBLE);
1992 	DEQ_WRITE(sc, DEQ_BASS, tas3004_initdata.BASS);
1993 	DEQ_WRITE(sc, DEQ_MIXER_L, tas3004_initdata.MIXER_L);
1994 	DEQ_WRITE(sc, DEQ_MIXER_R, tas3004_initdata.MIXER_R);
1995 	DEQ_WRITE(sc, DEQ_LLB, tas3004_initdata.LLB);
1996 	DEQ_WRITE(sc, DEQ_RLB, tas3004_initdata.RLB);
1997 	DEQ_WRITE(sc, DEQ_LLB_GAIN, tas3004_initdata.LLB_GAIN);
1998 	DEQ_WRITE(sc, DEQ_RLB_GAIN, tas3004_initdata.RLB_GAIN);
1999 	DEQ_WRITE(sc, DEQ_ACR, tas3004_initdata.ACR);
2000 
2001 	return 0;
2002 err:
2003 	printf("tas3004_init: error\n");
2004 	return -1;
2005 }
2006 
2007 void
2008 snapper_init(struct snapper_softc *sc, int node)
2009 {
2010 	int gpio;
2011 	int headphone_detect_intr, headphone_detect_intrtype;
2012 #ifdef SNAPPER_DEBUG
2013 	char fcr[32];
2014 
2015 	bitmask_snprintf(in32rb(sc->sc_baseaddr + KEYLARGO_FCR1), FCR3C_BITMASK, 	    fcr, sizeof fcr);
2016 	printf("FCR(0x3c) 0x%s\n", fcr);
2017 #endif
2018 	headphone_detect_intr = -1;
2019 
2020 	gpio = of_getnode_byname(OF_parent(node), "gpio");
2021 	DPRINTF(" /gpio 0x%x\n", gpio);
2022 	gpio = OF_child(gpio);
2023 	while (gpio) {
2024 		char name[64], audio_gpio[64];
2025 		int intr[2];
2026 		char *addr;
2027 
2028 		bzero(name, sizeof name);
2029 		bzero(audio_gpio, sizeof audio_gpio);
2030 		addr = 0;
2031 		OF_getprop(gpio, "name", name, sizeof name);
2032 		OF_getprop(gpio, "audio-gpio", audio_gpio, sizeof audio_gpio);
2033 		OF_getprop(gpio, "AAPL,address", &addr, sizeof addr);
2034 		DPRINTF(" 0x%x %s %s\n", gpio, name, audio_gpio);
2035 
2036 		/* gpio5 */
2037 		if (strcmp(audio_gpio, "headphone-mute") == 0)
2038 			headphone_mute = addr;
2039 		/* gpio6 */
2040 		if (strcmp(audio_gpio, "amp-mute") == 0)
2041 			amp_mute = addr;
2042 		/* extint-gpio15 */
2043 		if (strcmp(audio_gpio, "headphone-detect") == 0) {
2044 			headphone_detect = addr;
2045 			OF_getprop(gpio, "audio-gpio-active-state",
2046 			    &headphone_detect_active, 4);
2047 			OF_getprop(gpio, "interrupts", intr, 8);
2048 			headphone_detect_intr = intr[0];
2049 			headphone_detect_intrtype = intr[1];
2050 		}
2051 		/* gpio11 (keywest-11) */
2052 		if (strcmp(audio_gpio, "audio-hw-reset") == 0)
2053 			audio_hw_reset = addr;
2054 		gpio = OF_peer(gpio);
2055 	}
2056 	DPRINTF(" headphone-mute %p\n", headphone_mute);
2057 	DPRINTF(" amp-mute %p\n", amp_mute);
2058 	DPRINTF(" headphone-detect %p\n", headphone_detect);
2059 	DPRINTF(" headphone-detect active %x\n", headphone_detect_active);
2060 	DPRINTF(" headphone-detect intr %x\n", headphone_detect_intr);
2061 	DPRINTF(" audio-hw-reset %p\n", audio_hw_reset);
2062 
2063 	if (headphone_detect_intr != -1)
2064 		intr_establish(headphone_detect_intr, IST_EDGE, IPL_AUDIO,
2065 		    snapper_cint, sc);
2066 
2067 	sc->sc_rate = 44100;	/* default rate */
2068 	sc->sc_bitspersample = 16;
2069 
2070 	/* Enable headphone interrupt? */
2071 	*headphone_detect |= 0x80;
2072 	__asm volatile ("eieio");
2073 
2074 	/* i2c_set_port(port); */
2075 
2076 	if (tas3004_init(sc))
2077 		return;
2078 
2079 	/* Update headphone status. */
2080 	snapper_cint(sc);
2081 
2082 	snapper_set_volume(sc, 128, 128);
2083 	snapper_set_bass(sc, 128);
2084 	snapper_set_treble(sc, 128);
2085 
2086 	/* Record source defaults to microphone.  This reflects the
2087 	 * default value for the ACR (see tas3004_initdata).
2088 	 */
2089 	sc->sc_record_source = 1 << 0;
2090 
2091 	/* We mute the analog input for now */
2092 	sc->mixer[0] = 128;
2093 	sc->mixer[1] = 128;
2094 	sc->mixer[2] = 0;
2095 	sc->mixer[3] = 128;
2096 	sc->mixer[4] = 128;
2097 	sc->mixer[5] = 0;
2098 	snapper_write_mixers(sc);
2099 }
2100 
2101