xref: /netbsd-src/sys/arch/macppc/dev/snapper.c (revision c2f76ff004a2cb67efe5b12d97bd3ef7fe89e18d)
1 /*	$NetBSD: snapper.c,v 1.36 2010/11/12 12:26:29 phx 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 1.36 2010/11/12 12:26:29 phx 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 #include <macppc/dev/obiovar.h>
60 
61 #ifdef SNAPPER_DEBUG
62 # define DPRINTF printf
63 #else
64 # define DPRINTF while (0) printf
65 #endif
66 
67 #define SNAPPER_MAXPAGES	16
68 
69 struct snapper_softc {
70 	device_t sc_dev;
71 	int sc_mode;		  // 0 for TAS3004
72 #define SNAPPER_IS_TAS3001	1 // codec is TAS3001
73 #define SNAPPER_SWVOL		2 // software codec
74 
75 	int sc_node;
76 
77 	struct audio_encoding_set *sc_encodings;
78 
79 	void (*sc_ointr)(void *);	/* dma completion intr handler */
80 	void *sc_oarg;			/* arg for sc_ointr() */
81 	int sc_opages;			/* # of output pages */
82 
83 	void (*sc_iintr)(void *);	/* dma completion intr handler */
84 	void *sc_iarg;			/* arg for sc_iintr() */
85 	int sc_ipages;			/* # of input pages */
86 
87 	u_int sc_record_source;		/* recording source mask */
88 	u_int sc_output_mask;		/* output source mask */
89 
90 	bus_space_tag_t sc_tag;
91 	bus_space_handle_t sc_bsh;
92 	i2c_addr_t sc_deqaddr;
93 	i2c_tag_t sc_i2c;
94 	uint32_t sc_baseaddr;
95 
96 	int sc_rate;                    /* current sampling rate */
97 	int sc_bitspersample;
98 
99 	int sc_swvol;
100 
101 	u_int sc_vol_l;
102 	u_int sc_vol_r;
103 	u_int sc_treble;
104 	u_int sc_bass;
105 	u_int mixer[6]; /* s1_l, s2_l, an_l, s1_r, s2_r, an_r */
106 
107 	bus_space_handle_t sc_odmah;
108 	bus_space_handle_t sc_idmah;
109 	dbdma_regmap_t *sc_odma;
110 	dbdma_regmap_t *sc_idma;
111 	unsigned char	dbdma_cmdspace[sizeof(struct dbdma_command) * 40 + 15];
112 	struct dbdma_command *sc_odmacmd;
113 	struct dbdma_command *sc_idmacmd;
114 };
115 
116 static int snapper_match(device_t, struct cfdata *, void *);
117 static void snapper_attach(device_t, device_t, void *);
118 static void snapper_defer(device_t);
119 static int snapper_intr(void *);
120 static int snapper_query_encoding(void *, struct audio_encoding *);
121 static int snapper_set_params(void *, int, int, audio_params_t *,
122     audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
123 static int snapper_round_blocksize(void *, int, int, const audio_params_t *);
124 static int snapper_halt_output(void *);
125 static int snapper_halt_input(void *);
126 static int snapper_getdev(void *, struct audio_device *);
127 static int snapper_set_port(void *, mixer_ctrl_t *);
128 static int snapper_get_port(void *, mixer_ctrl_t *);
129 static int snapper_query_devinfo(void *, mixer_devinfo_t *);
130 static size_t snapper_round_buffersize(void *, int, size_t);
131 static paddr_t snapper_mappage(void *, void *, off_t, int);
132 static int snapper_get_props(void *);
133 static int snapper_trigger_output(void *, void *, void *, int, void (*)(void *),
134     void *, const audio_params_t *);
135 static int snapper_trigger_input(void *, void *, void *, int, void (*)(void *),
136     void *, const audio_params_t *);
137 static void snapper_set_volume(struct snapper_softc *, u_int, u_int);
138 static int snapper_set_rate(struct snapper_softc *);
139 static void snapper_set_treble(struct snapper_softc *, u_int);
140 static void snapper_set_bass(struct snapper_softc *, u_int);
141 static void snapper_write_mixers(struct snapper_softc *);
142 
143 static int tas3004_write(struct snapper_softc *, u_int, const void *);
144 static int gpio_read(char *);
145 static void gpio_write(char *, int);
146 static void snapper_mute_speaker(struct snapper_softc *, int);
147 static void snapper_mute_headphone(struct snapper_softc *, int);
148 static int snapper_cint(void *);
149 static int tas3004_init(struct snapper_softc *);
150 static void snapper_init(struct snapper_softc *, int);
151 
152 struct snapper_codecvar {
153 	stream_filter_t	base;
154 
155 #ifdef DIAGNOSTIC
156 # define SNAPPER_CODECVAR_MAGIC		0xC0DEC
157 	uint32_t	magic;
158 #endif // DIAGNOSTIC
159 
160 	int16_t		rval; // for snapper_fixphase
161 };
162 
163 static stream_filter_t *snapper_filter_factory
164 	(int (*)(stream_fetcher_t *, audio_stream_t *, int));
165 static void snapper_filter_dtor(stream_filter_t *);
166 
167 /* XXX We can't access the hw device softc from our audio
168  *     filter -- lame...
169  */
170 static u_int snapper_vol_l = 128, snapper_vol_r = 128;
171 
172 /* XXX why doesn't auconv define this? */
173 #define DEFINE_FILTER(name)	\
174 static int \
175 name##_fetch_to(stream_fetcher_t *, audio_stream_t *, int); \
176 stream_filter_t * name(struct audio_softc *, \
177     const audio_params_t *, const audio_params_t *); \
178 stream_filter_t * \
179 name(struct audio_softc *sc, const audio_params_t *from, \
180      const audio_params_t *to) \
181 { \
182 	return snapper_filter_factory(name##_fetch_to); \
183 } \
184 static int \
185 name##_fetch_to(stream_fetcher_t *self, audio_stream_t *dst, int max_used)
186 
187 DEFINE_FILTER(snapper_volume)
188 {
189 	stream_filter_t *this;
190 	int16_t j;
191 	int16_t *wp;
192 	int m, err;
193 
194 	this = (stream_filter_t *)self;
195 	max_used = (max_used + 1) & ~1;
196 	if ((err = this->prev->fetch_to(this->prev, this->src, max_used)))
197 		return err;
198 	m = (dst->end - dst->start) & ~1;
199 	m = min(m, max_used);
200 	FILTER_LOOP_PROLOGUE(this->src, 2, dst, 2, m) {
201 		j = (s[0] << 8 | s[1]);
202 		wp = (int16_t *)d;
203 		*wp = ((j * snapper_vol_l) / 255);
204 	} FILTER_LOOP_EPILOGUE(this->src, dst);
205 
206 	return 0;
207 }
208 
209 /*
210  * A hardware bug in the TAS3004 I2S transport
211  * produces phase differences between channels
212  * (left channel appears delayed by one sample).
213  * Fix the phase difference by delaying the right channel
214  * by one sample.
215  */
216 DEFINE_FILTER(snapper_fixphase)
217 {
218 	struct snapper_codecvar *cv = (struct snapper_codecvar *) self;
219 	stream_filter_t *this = &cv->base;
220 	int err, m;
221 	const int16_t *rp;
222 	int16_t *wp, rval = cv->rval;
223 
224 #ifdef DIAGNOSTIC
225 	if (cv->magic != SNAPPER_CODECVAR_MAGIC)
226 		panic("snapper_fixphase");
227 #endif
228 	max_used = (max_used + 3) & ~2;
229 	if ((err = this->prev->fetch_to(this->prev, this->src, max_used)))
230 		return err;
231 
232 	/* work in stereo frames (4 bytes) */
233 	m = (dst->end - dst->start) & ~2;
234 	m = min(m, max_used);
235 	FILTER_LOOP_PROLOGUE(this->src, 4, dst, 4, m) {
236 		rp = (const int16_t *) s;
237 		wp = (int16_t *) d;
238 		wp[0] = rp[0];
239 		wp[1] = rval;
240 		rval = rp[1];
241 	} FILTER_LOOP_EPILOGUE(this->src, dst);
242 	cv->rval = rval;
243 
244 	return 0;
245 }
246 
247 static stream_filter_t *
248 snapper_filter_factory(int (*fetch_to)(stream_fetcher_t *, audio_stream_t *, int))
249 {
250 	struct snapper_codecvar *this;
251 
252 	this = malloc(sizeof(*this), M_DEVBUF, M_WAITOK | M_ZERO);
253 	this->base.base.fetch_to = fetch_to;
254 	this->base.dtor = snapper_filter_dtor;
255 	this->base.set_fetcher = stream_filter_set_fetcher;
256 	this->base.set_inputbuffer = stream_filter_set_inputbuffer;
257 
258 #ifdef DIAGNOSTIC
259 	this->magic = SNAPPER_CODECVAR_MAGIC;
260 #endif
261 	return (stream_filter_t *) this;
262 }
263 
264 static void
265 snapper_filter_dtor(stream_filter_t *this)
266 {
267 	if (this != NULL)
268 		free(this, M_DEVBUF);
269 }
270 
271 CFATTACH_DECL_NEW(snapper, sizeof(struct snapper_softc), snapper_match,
272 	snapper_attach, NULL, NULL);
273 
274 const struct audio_hw_if snapper_hw_if = {
275 	NULL,
276 	NULL,
277 	NULL,
278 	snapper_query_encoding,
279 	snapper_set_params,
280 	snapper_round_blocksize,
281 	NULL,
282 	NULL,
283 	NULL,
284 	NULL,
285 	NULL,
286 	snapper_halt_output,
287 	snapper_halt_input,
288 	NULL,
289 	snapper_getdev,
290 	NULL,
291 	snapper_set_port,
292 	snapper_get_port,
293 	snapper_query_devinfo,
294 	NULL,
295 	NULL,
296 	snapper_round_buffersize,
297 	snapper_mappage,
298 	snapper_get_props,
299 	snapper_trigger_output,
300 	snapper_trigger_input,
301 	NULL,
302 	NULL
303 };
304 
305 struct audio_device snapper_device = {
306 	"SNAPPER",
307 	"",
308 	"snapper"
309 };
310 
311 #define SNAPPER_BASSTAB_0DB	18
312 const uint8_t snapper_basstab[] = {
313 	0x96,	/* -18dB */
314 	0x94,	/* -17dB */
315 	0x92,	/* -16dB */
316 	0x90,	/* -15dB */
317 	0x8e,	/* -14dB */
318 	0x8c,	/* -13dB */
319 	0x8a,	/* -12dB */
320 	0x88,	/* -11dB */
321 	0x86,	/* -10dB */
322 	0x84,	/* -9dB */
323 	0x82,	/* -8dB */
324 	0x80,	/* -7dB */
325 	0x7e,	/* -6dB */
326 	0x7c,	/* -5dB */
327 	0x7a,	/* -4dB */
328 	0x78,	/* -3dB */
329 	0x76,	/* -2dB */
330 	0x74,	/* -1dB */
331 	0x72,	/* 0dB */
332 	0x6f,	/* 1dB */
333 	0x6d,	/* 2dB */
334 	0x6a,	/* 3dB */
335 	0x67,	/* 4dB */
336 	0x65,	/* 5dB */
337 	0x62,	/* 6dB */
338 	0x5f,	/* 7dB */
339 	0x5b,	/* 8dB */
340 	0x55,	/* 9dB */
341 	0x4f,	/* 10dB */
342 	0x49,	/* 11dB */
343 	0x43,	/* 12dB */
344 	0x3b,	/* 13dB */
345 	0x33,	/* 14dB */
346 	0x29,	/* 15dB */
347 	0x1e,	/* 16dB */
348 	0x11,	/* 17dB */
349 	0x01,	/* 18dB */
350 };
351 
352 #define SNAPPER_MIXER_GAIN_0DB		36
353 const uint8_t snapper_mixer_gain[178][3] = {
354 	{ 0x7f, 0x17, 0xaf }, /* 18.0 dB */
355 	{ 0x77, 0xfb, 0xaa }, /* 17.5 dB */
356 	{ 0x71, 0x45, 0x75 }, /* 17.0 dB */
357 	{ 0x6a, 0xef, 0x5d }, /* 16.5 dB */
358 	{ 0x64, 0xf4, 0x03 }, /* 16.0 dB */
359 	{ 0x5f, 0x4e, 0x52 }, /* 15.5 dB */
360 	{ 0x59, 0xf9, 0x80 }, /* 15.0 dB */
361 	{ 0x54, 0xf1, 0x06 }, /* 14.5 dB */
362 	{ 0x50, 0x30, 0xa1 }, /* 14.0 dB */
363 	{ 0x4b, 0xb4, 0x46 }, /* 13.5 dB */
364 	{ 0x47, 0x78, 0x28 }, /* 13.0 dB */
365 	{ 0x43, 0x78, 0xb0 }, /* 12.5 dB */
366 	{ 0x3f, 0xb2, 0x78 }, /* 12.0 dB */
367 	{ 0x3c, 0x22, 0x4c }, /* 11.5 dB */
368 	{ 0x38, 0xc5, 0x28 }, /* 11.0 dB */
369 	{ 0x35, 0x98, 0x2f }, /* 10.5 dB */
370 	{ 0x32, 0x98, 0xb0 }, /* 10.0 dB */
371 	{ 0x2f, 0xc4, 0x20 }, /* 9.5 dB */
372 	{ 0x2d, 0x18, 0x18 }, /* 9.0 dB */
373 	{ 0x2a, 0x92, 0x54 }, /* 8.5 dB */
374 	{ 0x28, 0x30, 0xaf }, /* 8.0 dB */
375 	{ 0x25, 0xf1, 0x25 }, /* 7.5 dB */
376 	{ 0x23, 0xd1, 0xcd }, /* 7.0 dB */
377 	{ 0x21, 0xd0, 0xd9 }, /* 6.5 dB */
378 	{ 0x1f, 0xec, 0x98 }, /* 6.0 dB */
379 	{ 0x1e, 0x23, 0x6d }, /* 5.5 dB */
380 	{ 0x1c, 0x73, 0xd5 }, /* 5.0 dB */
381 	{ 0x1a, 0xdc, 0x61 }, /* 4.5 dB */
382 	{ 0x19, 0x5b, 0xb8 }, /* 4.0 dB */
383 	{ 0x17, 0xf0, 0x94 }, /* 3.5 dB */
384 	{ 0x16, 0x99, 0xc0 }, /* 3.0 dB */
385 	{ 0x15, 0x56, 0x1a }, /* 2.5 dB */
386 	{ 0x14, 0x24, 0x8e }, /* 2.0 dB */
387 	{ 0x13, 0x04, 0x1a }, /* 1.5 dB */
388 	{ 0x11, 0xf3, 0xc9 }, /* 1.0 dB */
389 	{ 0x10, 0xf2, 0xb4 }, /* 0.5 dB */
390 	{ 0x10, 0x00, 0x00 }, /* 0.0 dB */
391 	{ 0x0f, 0x1a, 0xdf }, /* -0.5 dB */
392 	{ 0x0e, 0x42, 0x90 }, /* -1.0 dB */
393 	{ 0x0d, 0x76, 0x5a }, /* -1.5 dB */
394 	{ 0x0c, 0xb5, 0x91 }, /* -2.0 dB */
395 	{ 0x0b, 0xff, 0x91 }, /* -2.5 dB */
396 	{ 0x0b, 0x53, 0xbe }, /* -3.0 dB */
397 	{ 0x0a, 0xb1, 0x89 }, /* -3.5 dB */
398 	{ 0x0a, 0x18, 0x66 }, /* -4.0 dB */
399 	{ 0x09, 0x87, 0xd5 }, /* -4.5 dB */
400 	{ 0x08, 0xff, 0x59 }, /* -5.0 dB */
401 	{ 0x08, 0x7e, 0x80 }, /* -5.5 dB */
402 	{ 0x08, 0x04, 0xdc }, /* -6.0 dB */
403 	{ 0x07, 0x92, 0x07 }, /* -6.5 dB */
404 	{ 0x07, 0x25, 0x9d }, /* -7.0 dB */
405 	{ 0x06, 0xbf, 0x44 }, /* -7.5 dB */
406 	{ 0x06, 0x5e, 0xa5 }, /* -8.0 dB */
407 	{ 0x06, 0x03, 0x6e }, /* -8.5 dB */
408 	{ 0x05, 0xad, 0x50 }, /* -9.0 dB */
409 	{ 0x05, 0x5c, 0x04 }, /* -9.5 dB */
410 	{ 0x05, 0x0f, 0x44 }, /* -10.0 dB */
411 	{ 0x04, 0xc6, 0xd0 }, /* -10.5 dB */
412 	{ 0x04, 0x82, 0x68 }, /* -11.0 dB */
413 	{ 0x04, 0x41, 0xd5 }, /* -11.5 dB */
414 	{ 0x04, 0x04, 0xde }, /* -12.0 dB */
415 	{ 0x03, 0xcb, 0x50 }, /* -12.5 dB */
416 	{ 0x03, 0x94, 0xfa }, /* -13.0 dB */
417 	{ 0x03, 0x61, 0xaf }, /* -13.5 dB */
418 	{ 0x03, 0x31, 0x42 }, /* -14.0 dB */
419 	{ 0x03, 0x03, 0x8a }, /* -14.5 dB */
420 	{ 0x02, 0xd8, 0x62 }, /* -15.0 dB */
421 	{ 0x02, 0xaf, 0xa3 }, /* -15.5 dB */
422 	{ 0x02, 0x89, 0x2c }, /* -16.0 dB */
423 	{ 0x02, 0x64, 0xdb }, /* -16.5 dB */
424 	{ 0x02, 0x42, 0x93 }, /* -17.0 dB */
425 	{ 0x02, 0x22, 0x35 }, /* -17.5 dB */
426 	{ 0x02, 0x03, 0xa7 }, /* -18.0 dB */
427 	{ 0x01, 0xe6, 0xcf }, /* -18.5 dB */
428 	{ 0x01, 0xcb, 0x94 }, /* -19.0 dB */
429 	{ 0x01, 0xb1, 0xde }, /* -19.5 dB */
430 	{ 0x01, 0x99, 0x99 }, /* -20.0 dB */
431 	{ 0x01, 0x82, 0xaf }, /* -20.5 dB */
432 	{ 0x01, 0x6d, 0x0e }, /* -21.0 dB */
433 	{ 0x01, 0x58, 0xa2 }, /* -21.5 dB */
434 	{ 0x01, 0x45, 0x5b }, /* -22.0 dB */
435 	{ 0x01, 0x33, 0x28 }, /* -22.5 dB */
436 	{ 0x01, 0x21, 0xf9 }, /* -23.0 dB */
437 	{ 0x01, 0x11, 0xc0 }, /* -23.5 dB */
438 	{ 0x01, 0x02, 0x70 }, /* -24.0 dB */
439 	{ 0x00, 0xf3, 0xfb }, /* -24.5 dB */
440 	{ 0x00, 0xe6, 0x55 }, /* -25.0 dB */
441 	{ 0x00, 0xd9, 0x73 }, /* -25.5 dB */
442 	{ 0x00, 0xcd, 0x49 }, /* -26.0 dB */
443 	{ 0x00, 0xc1, 0xcd }, /* -26.5 dB */
444 	{ 0x00, 0xb6, 0xf6 }, /* -27.0 dB */
445 	{ 0x00, 0xac, 0xba }, /* -27.5 dB */
446 	{ 0x00, 0xa3, 0x10 }, /* -28.0 dB */
447 	{ 0x00, 0x99, 0xf1 }, /* -28.5 dB */
448 	{ 0x00, 0x91, 0x54 }, /* -29.0 dB */
449 	{ 0x00, 0x89, 0x33 }, /* -29.5 dB */
450 	{ 0x00, 0x81, 0x86 }, /* -30.0 dB */
451 	{ 0x00, 0x7a, 0x48 }, /* -30.5 dB */
452 	{ 0x00, 0x73, 0x70 }, /* -31.0 dB */
453 	{ 0x00, 0x6c, 0xfb }, /* -31.5 dB */
454 	{ 0x00, 0x66, 0xe3 }, /* -32.0 dB */
455 	{ 0x00, 0x61, 0x21 }, /* -32.5 dB */
456 	{ 0x00, 0x5b, 0xb2 }, /* -33.0 dB */
457 	{ 0x00, 0x56, 0x91 }, /* -33.5 dB */
458 	{ 0x00, 0x51, 0xb9 }, /* -34.0 dB */
459 	{ 0x00, 0x4d, 0x27 }, /* -34.5 dB */
460 	{ 0x00, 0x48, 0xd6 }, /* -35.0 dB */
461 	{ 0x00, 0x44, 0xc3 }, /* -35.5 dB */
462 	{ 0x00, 0x40, 0xea }, /* -36.0 dB */
463 	{ 0x00, 0x3d, 0x49 }, /* -36.5 dB */
464 	{ 0x00, 0x39, 0xdb }, /* -37.0 dB */
465 	{ 0x00, 0x36, 0x9e }, /* -37.5 dB */
466 	{ 0x00, 0x33, 0x90 }, /* -38.0 dB */
467 	{ 0x00, 0x30, 0xae }, /* -38.5 dB */
468 	{ 0x00, 0x2d, 0xf5 }, /* -39.0 dB */
469 	{ 0x00, 0x2b, 0x63 }, /* -39.5 dB */
470 	{ 0x00, 0x28, 0xf5 }, /* -40.0 dB */
471 	{ 0x00, 0x26, 0xab }, /* -40.5 dB */
472 	{ 0x00, 0x24, 0x81 }, /* -41.0 dB */
473 	{ 0x00, 0x22, 0x76 }, /* -41.5 dB */
474 	{ 0x00, 0x20, 0x89 }, /* -42.0 dB */
475 	{ 0x00, 0x1e, 0xb7 }, /* -42.5 dB */
476 	{ 0x00, 0x1c, 0xff }, /* -43.0 dB */
477 	{ 0x00, 0x1b, 0x60 }, /* -43.5 dB */
478 	{ 0x00, 0x19, 0xd8 }, /* -44.0 dB */
479 	{ 0x00, 0x18, 0x65 }, /* -44.5 dB */
480 	{ 0x00, 0x17, 0x08 }, /* -45.0 dB */
481 	{ 0x00, 0x15, 0xbe }, /* -45.5 dB */
482 	{ 0x00, 0x14, 0x87 }, /* -46.0 dB */
483 	{ 0x00, 0x13, 0x61 }, /* -46.5 dB */
484 	{ 0x00, 0x12, 0x4b }, /* -47.0 dB */
485 	{ 0x00, 0x11, 0x45 }, /* -47.5 dB */
486 	{ 0x00, 0x10, 0x4e }, /* -48.0 dB */
487 	{ 0x00, 0x0f, 0x64 }, /* -48.5 dB */
488 	{ 0x00, 0x0e, 0x88 }, /* -49.0 dB */
489 	{ 0x00, 0x0d, 0xb8 }, /* -49.5 dB */
490 	{ 0x00, 0x0c, 0xf3 }, /* -50.0 dB */
491 	{ 0x00, 0x0c, 0x3a }, /* -50.5 dB */
492 	{ 0x00, 0x0b, 0x8b }, /* -51.0 dB */
493 	{ 0x00, 0x0a, 0xe5 }, /* -51.5 dB */
494 	{ 0x00, 0x0a, 0x49 }, /* -52.0 dB */
495 	{ 0x00, 0x09, 0xb6 }, /* -52.5 dB */
496 	{ 0x00, 0x09, 0x2b }, /* -53.0 dB */
497 	{ 0x00, 0x08, 0xa8 }, /* -53.5 dB */
498 	{ 0x00, 0x08, 0x2c }, /* -54.0 dB */
499 	{ 0x00, 0x07, 0xb7 }, /* -54.5 dB */
500 	{ 0x00, 0x07, 0x48 }, /* -55.0 dB */
501 	{ 0x00, 0x06, 0xe0 }, /* -55.5 dB */
502 	{ 0x00, 0x06, 0x7d }, /* -56.0 dB */
503 	{ 0x00, 0x06, 0x20 }, /* -56.5 dB */
504 	{ 0x00, 0x05, 0xc9 }, /* -57.0 dB */
505 	{ 0x00, 0x05, 0x76 }, /* -57.5 dB */
506 	{ 0x00, 0x05, 0x28 }, /* -58.0 dB */
507 	{ 0x00, 0x04, 0xde }, /* -58.5 dB */
508 	{ 0x00, 0x04, 0x98 }, /* -59.0 dB */
509 	{ 0x00, 0x04, 0x56 }, /* -59.5 dB */
510 	{ 0x00, 0x04, 0x18 }, /* -60.0 dB */
511 	{ 0x00, 0x03, 0xdd }, /* -60.5 dB */
512 	{ 0x00, 0x03, 0xa6 }, /* -61.0 dB */
513 	{ 0x00, 0x03, 0x72 }, /* -61.5 dB */
514 	{ 0x00, 0x03, 0x40 }, /* -62.0 dB */
515 	{ 0x00, 0x03, 0x12 }, /* -62.5 dB */
516 	{ 0x00, 0x02, 0xe6 }, /* -63.0 dB */
517 	{ 0x00, 0x02, 0xbc }, /* -63.5 dB */
518 	{ 0x00, 0x02, 0x95 }, /* -64.0 dB */
519 	{ 0x00, 0x02, 0x70 }, /* -64.5 dB */
520 	{ 0x00, 0x02, 0x4d }, /* -65.0 dB */
521 	{ 0x00, 0x02, 0x2c }, /* -65.5 dB */
522 	{ 0x00, 0x02, 0x0d }, /* -66.0 dB */
523 	{ 0x00, 0x01, 0xf0 }, /* -66.5 dB */
524 	{ 0x00, 0x01, 0xd4 }, /* -67.0 dB */
525 	{ 0x00, 0x01, 0xba }, /* -67.5 dB */
526 	{ 0x00, 0x01, 0xa1 }, /* -68.0 dB */
527 	{ 0x00, 0x01, 0x8a }, /* -68.5 dB */
528 	{ 0x00, 0x01, 0x74 }, /* -69.0 dB */
529 	{ 0x00, 0x01, 0x5f }, /* -69.5 dB */
530 	{ 0x00, 0x01, 0x4b }, /* -70.0 dB */
531 	{ 0x00, 0x00, 0x00 }  /* Mute */
532 };
533 
534 #define SNAPPER_NFORMATS	2
535 static const struct audio_format snapper_formats[SNAPPER_NFORMATS] = {
536 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
537 	 2, AUFMT_STEREO, 3, {32000, 44100, 48000}},
538 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 24, 24,
539 	 2, AUFMT_STEREO, 3, {32000, 44100, 48000}},
540 };
541 
542 #define TUMBLER_NFORMATS	1
543 static const struct audio_format tumbler_formats[TUMBLER_NFORMATS] = {
544 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
545 	 2, AUFMT_STEREO, 4, {32000, 44100, 48000, 96000}},
546 };
547 
548 static u_char *amp_mute;
549 static u_char *headphone_mute;
550 static u_char *audio_hw_reset;
551 static u_char *headphone_detect;
552 static int headphone_detect_active;
553 
554 
555 /* I2S registers */
556 #define I2S_INT		0x00
557 #define I2S_FORMAT	0x10
558 #define I2S_FRAMECOUNT	0x40
559 #define I2S_FRAMEMATCH	0x50
560 #define I2S_WORDSIZE	0x60
561 
562 /* I2S_INT register definitions */
563 #define I2S_INT_CLKSTOPPEND 0x01000000  /* clock-stop interrupt pending */
564 
565 /* FCR(0x3c) bits */
566 #define KEYLARGO_FCR1   0x3c
567 #define  I2S0CLKEN      0x1000
568 #define  I2S0EN         0x2000
569 #define  I2S1CLKEN      0x080000
570 #define  I2S1EN         0x100000
571 #define FCR3C_BITMASK "\020\25I2S1EN\24I2S1CLKEN\16I2S0EN\15I2S0CLKEN"
572 
573 /* TAS3004/TAS3001 registers */
574 #define DEQ_MCR1	0x01	/* Main control register 1 (1byte) */
575 #define DEQ_DRC		0x02	/* Dynamic range compression (6bytes?)
576                             	   2 bytes (reserved) on the TAS 3001 */
577 #define DEQ_VOLUME	0x04	/* Volume (6bytes) */
578 #define DEQ_TREBLE	0x05	/* Treble control (1byte) */
579 #define DEQ_BASS	0x06	/* Bass control (1byte) */
580 #define DEQ_MIXER_L	0x07	/* Mixer left gain (9bytes; 3 on TAS3001) */
581 #define DEQ_MIXER_R	0x08	/* Mixer right gain (9bytes; 3 on TAS3001) */
582 #define DEQ_LB0		0x0a	/* Left biquad 0 (15bytes) */
583 #define DEQ_LB1		0x0b	/* Left biquad 1 (15bytes) */
584 #define DEQ_LB2		0x0c	/* Left biquad 2 (15bytes) */
585 #define DEQ_LB3		0x0d	/* Left biquad 3 (15bytes) */
586 #define DEQ_LB4		0x0e	/* Left biquad 4 (15bytes) */
587 #define DEQ_LB5		0x0f	/* Left biquad 5 (15bytes) */
588 #define DEQ_LB6		0x10	/* Left biquad 6 (15bytes) */
589 #define DEQ_RB0		0x13	/* Right biquad 0 (15bytes) */
590 #define DEQ_RB1		0x14	/* Right biquad 1 (15bytes) */
591 #define DEQ_RB2		0x15	/* Right biquad 2 (15bytes) */
592 #define DEQ_RB3		0x16	/* Right biquad 3 (15bytes) */
593 #define DEQ_RB4		0x17	/* Right biquad 4 (15bytes) */
594 #define DEQ_RB5		0x18	/* Right biquad 5 (15bytes) */
595 #define DEQ_RB6		0x19	/* Right biquad 6 (15bytes) */
596 #define DEQ_LLB		0x21	/* Left loudness biquad (15bytes) */
597 #define DEQ_RLB		0x22	/* Right loudness biquad (15bytes) */
598 #define DEQ_LLB_GAIN	0x23	/* Left loudness biquad gain (3bytes) */
599 #define DEQ_RLB_GAIN	0x24	/* Right loudness biquad gain (3bytes) */
600 #define DEQ_ACR		0x40	/* [TAS3004] Analog control register (1byte) */
601 #define DEQ_MCR2	0x43	/* [TAS3004] Main control register 2 (1byte) */
602 #define DEQ_MCR1_FL	0x80	/* Fast load */
603 #define DEQ_MCR1_SC	0x40	/* SCLK frequency */
604 #define  DEQ_MCR1_SC_32	0x00	/*  32fs */
605 #define  DEQ_MCR1_SC_64	0x40	/*  64fs */
606 #define DEQ_MCR1_SM	0x30	/* Output serial port mode */
607 #define  DEQ_MCR1_SM_L	0x00	/*  Left justified */
608 #define  DEQ_MCR1_SM_R	0x10	/*  Right justified */
609 #define  DEQ_MCR1_SM_I2S 0x20	/*  I2S */
610 #define DEQ_MCR1_ISM	0x0c	/* [TAS3001] Input serial port mode */
611 #define  DEQ_MCR1_ISM_L	0x00	/*           Left justified */
612 #define  DEQ_MCR1_ISM_R	0x04	/*           Right justified */
613 #define  DEQ_MCR1_ISM_I2S 0x08	/*           I2S */
614 #define DEQ_MCR1_W	0x03	/* Serial port word length */
615 #define  DEQ_MCR1_W_16	0x00	/*  16 bit */
616 #define  DEQ_MCR1_W_18	0x01	/*  18 bit */
617 #define  DEQ_MCR1_W_20	0x02	/*  20 bit */
618 #define  DEQ_MCR1_W_24	0x03	/*  24 bit */
619 
620 #define DEQ_MCR2_DL	0x80	/* Download */
621 #define DEQ_MCR2_AP	0x02	/* All pass mode */
622 
623 #define DEQ_ACR_ADM	0x80	/* ADC output mode */
624 #define DEQ_ACR_LRB	0x40	/* Select B input */
625 #define DEQ_ACR_DM	0x0c	/* De-emphasis control */
626 #define  DEQ_ACR_DM_OFF	0x00	/*  off */
627 #define  DEQ_ACR_DM_48	0x04	/*  fs = 48kHz */
628 #define  DEQ_ACR_DM_44	0x08	/*  fs = 44.1kHz */
629 #define DEQ_ACR_INP	0x02	/* Analog input select */
630 #define  DEQ_ACR_INP_A	0x00	/*  A */
631 #define  DEQ_ACR_INP_B	0x02	/*  B */
632 #define DEQ_ACR_APD	0x01	/* Analog power down */
633 
634 struct tas3004_reg {
635 	u_char MCR1[1];
636 	u_char DRC[6];
637 	u_char VOLUME[6];
638 	u_char TREBLE[1];
639 	u_char BASS[1];
640 	u_char MIXER_L[9];
641 	u_char MIXER_R[9];
642 	u_char LB0[15];
643 	u_char LB1[15];
644 	u_char LB2[15];
645 	u_char LB3[15];
646 	u_char LB4[15];
647 	u_char LB5[15];
648 	u_char LB6[15];
649 	u_char RB0[15];
650 	u_char RB1[15];
651 	u_char RB2[15];
652 	u_char RB3[15];
653 	u_char RB4[15];
654 	u_char RB5[15];
655 	u_char RB6[15];
656 	u_char LLB[15];
657 	u_char RLB[15];
658 	u_char LLB_GAIN[3];
659 	u_char RLB_GAIN[3];
660 	u_char ACR[1];
661 	u_char MCR2[1];
662 };
663 
664 #define GPIO_OUTSEL	0xf0	/* Output select */
665 		/*	0x00	GPIO bit0 is output
666 			0x10	media-bay power
667 			0x20	reserved
668 			0x30	MPIC */
669 
670 #define GPIO_ALTOE	0x08	/* Alternate output enable */
671 		/*	0x00	Use DDR
672 			0x08	Use output select */
673 
674 #define GPIO_DDR	0x04	/* Data direction */
675 #define GPIO_DDR_OUTPUT	0x04	/* Output */
676 #define GPIO_DDR_INPUT	0x00	/* Input */
677 
678 #define GPIO_LEVEL	0x02	/* Pin level (RO) */
679 
680 #define	GPIO_DATA	0x01	/* Data */
681 
682 static int
683 snapper_match(device_t parent, struct cfdata *match, void *aux)
684 {
685 	struct confargs *ca;
686 	int soundbus, soundchip, soundcodec;
687 	char compat[32];
688 
689 	ca = aux;
690 	if (strcmp(ca->ca_name, "i2s") != 0)
691 		return 0;
692 
693 	if ((soundbus = OF_child(ca->ca_node)) == 0 ||
694 	    (soundchip = OF_child(soundbus)) == 0)
695 		return 0;
696 
697 	memset(compat, 0, sizeof compat);
698 	OF_getprop(soundchip, "compatible", compat, sizeof compat);
699 
700 	if (strcmp(compat, "snapper") == 0)
701 		return 1;
702 
703 	if (strcmp(compat, "tumbler") == 0)
704 		return 1;
705 
706 	if (strcmp(compat, "AOAKeylargo") == 0)
707 		return 1;
708 
709 	if (strcmp(compat, "AOAK2") == 0)
710 		return 1;
711 
712 	if (OF_getprop(soundchip, "platform-tas-codec-ref",
713 	    &soundcodec, sizeof soundcodec) == sizeof soundcodec)
714 		return 1;
715 
716 	return 0;
717 }
718 
719 static void
720 snapper_attach(device_t parent, device_t self, void *aux)
721 {
722 	struct snapper_softc *sc;
723 	struct confargs *ca;
724 	int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type, soundbus;
725 	uint32_t intr[6], reg[6];
726 	char compat[32];
727 
728 	sc = device_private(self);
729 	sc->sc_dev = self;
730 
731 	ca = aux;
732 
733 	soundbus = OF_child(ca->ca_node);
734 	memset(compat, 0, sizeof compat);
735 	OF_getprop(OF_child(soundbus), "compatible", compat, sizeof compat);
736 
737 	if (strcmp(compat, "tumbler") == 0)
738 		sc->sc_mode = SNAPPER_IS_TAS3001;
739 
740 	if (sc->sc_mode == SNAPPER_IS_TAS3001) {
741 		if (auconv_create_encodings(tumbler_formats, TUMBLER_NFORMATS,
742 				&sc->sc_encodings) != 0) {
743 			aprint_normal("can't create encodings\n");
744 			return;
745 		}
746 	} else {
747 		if (auconv_create_encodings(snapper_formats, SNAPPER_NFORMATS,
748 				&sc->sc_encodings) != 0) {
749 			aprint_normal("can't create encodings\n");
750 			return;
751 		}
752 	}
753 
754 	sc->sc_odmacmd = dbdma_alloc((SNAPPER_MAXPAGES + 4) *
755 				     sizeof(struct dbdma_command));
756 	sc->sc_idmacmd = dbdma_alloc((SNAPPER_MAXPAGES + 4) *
757 				     sizeof(struct dbdma_command));
758 
759 	sc->sc_baseaddr = ca->ca_baseaddr;
760 	OF_getprop(soundbus, "reg", reg, sizeof reg);
761 	reg[0] += ca->ca_baseaddr;
762 	reg[2] += ca->ca_baseaddr;
763 	reg[4] += ca->ca_baseaddr;
764 
765 	sc->sc_node = ca->ca_node;
766 	sc->sc_tag = ca->ca_tag;
767 
768 	bus_space_map(sc->sc_tag, reg[0], reg[1], 0, &sc->sc_bsh);
769 	bus_space_map(sc->sc_tag, reg[2], reg[3],
770 	    BUS_SPACE_MAP_LINEAR, &sc->sc_odmah);
771 	bus_space_map(sc->sc_tag, reg[4], reg[5],
772 	    BUS_SPACE_MAP_LINEAR, &sc->sc_idmah);
773 
774 	sc->sc_odma = bus_space_vaddr(sc->sc_tag, sc->sc_odmah);
775 	sc->sc_idma = bus_space_vaddr(sc->sc_tag, sc->sc_idmah);
776 
777 	OF_getprop(soundbus, "interrupts", intr, sizeof intr);
778 	cirq = intr[0];
779 	oirq = intr[2];
780 	iirq = intr[4];
781 	cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
782 	oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
783 	iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
784 
785 	/* intr_establish(cirq, cirq_type, IPL_AUDIO, snapper_intr, sc); */
786 	intr_establish(oirq, oirq_type, IPL_AUDIO, snapper_intr, sc);
787 	intr_establish(iirq, iirq_type, IPL_AUDIO, snapper_intr, sc);
788 
789 	aprint_normal(": irq %d,%d,%d\n", cirq, oirq, iirq);
790 
791 	/* PMF event handler */
792 	pmf_device_register(sc->sc_dev, NULL, NULL);
793 
794 	config_defer(self, snapper_defer);
795 }
796 
797 static void
798 snapper_defer(device_t dev)
799 {
800 	struct snapper_softc *sc;
801 	device_t dv;
802 	deviter_t di;
803 	struct deq_softc *deq;
804 
805 	sc = device_private(dev);
806 	for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST);
807 	     dv != NULL;
808 	     dv = deviter_next(&di)) {
809 		if (device_is_a(dv, "deq")) {
810 			deq = device_private(dv);
811 			sc->sc_i2c = deq->sc_i2c;
812 			sc->sc_deqaddr = deq->sc_address;
813 		}
814 	}
815 	deviter_release(&di);
816 
817 	/* If we don't find a codec, it's not the end of the world;
818 	 * we can control the volume in software in this case.
819 	 */
820 	if (sc->sc_i2c == NULL)
821 		sc->sc_mode = SNAPPER_SWVOL;
822 
823 	switch (sc->sc_mode) {
824 	case SNAPPER_SWVOL:
825 		aprint_verbose("%s: software codec\n", device_xname(dev));
826 		break;
827 	case SNAPPER_IS_TAS3001:
828 		aprint_verbose("%s: codec: TAS3001\n", device_xname(dev));
829 		break;
830 	case 0:
831 		aprint_verbose("%s: codec: TAS3004\n", device_xname(dev));
832 		break;
833 	}
834 
835 	audio_attach_mi(&snapper_hw_if, sc, sc->sc_dev);
836 
837 	/* ki2c_setmode(sc->sc_i2c, I2C_STDSUBMODE); */
838 	snapper_init(sc, sc->sc_node);
839 }
840 
841 static int
842 snapper_intr(void *v)
843 {
844 	struct snapper_softc *sc;
845 	struct dbdma_command *cmd;
846 	int count;
847 	int status;
848 
849 	sc = v;
850 	cmd = sc->sc_odmacmd;
851 	count = sc->sc_opages;
852 	/* Fill used buffer(s). */
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_ointr)
859 					(*sc->sc_ointr)(sc->sc_oarg);
860 		}
861 		cmd++;
862 	}
863 
864 	cmd = sc->sc_idmacmd;
865 	count = sc->sc_ipages;
866 	while (count-- > 0) {
867 		if ((in16rb(&cmd->d_command) & 0x30) == 0x30) {
868 			status = in16rb(&cmd->d_status);
869 			cmd->d_status = 0;
870 			if (status)	/* status == 0x8400 */
871 				if (sc->sc_iintr)
872 					(*sc->sc_iintr)(sc->sc_iarg);
873 		}
874 		cmd++;
875 	}
876 
877 
878 	return 1;
879 }
880 
881 
882 static int
883 snapper_query_encoding(void *h, struct audio_encoding *ae)
884 {
885 
886 	struct snapper_softc *sc = h;
887 
888 	return auconv_query_encoding(sc->sc_encodings, ae);
889 }
890 
891 static int
892 snapper_set_params(void *h, int setmode, int usemode,
893 		   audio_params_t *play, audio_params_t *rec,
894 		   stream_filter_list_t *pfil, stream_filter_list_t *rfil)
895 {
896 	struct snapper_softc *sc;
897 	audio_params_t *p;
898 	stream_filter_list_t *fil = NULL; /* XXX gcc */
899 	int mode;
900 
901 	sc = h;
902 	p = NULL;
903 
904 	/*
905 	 * This device only has one clock, so make the sample rates match.
906 	 */
907 	if (play->sample_rate != rec->sample_rate &&
908 	    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
909 		if (setmode == AUMODE_PLAY) {
910 			rec->sample_rate = play->sample_rate;
911 			setmode |= AUMODE_RECORD;
912 		} else if (setmode == AUMODE_RECORD) {
913 			play->sample_rate = rec->sample_rate;
914 			setmode |= AUMODE_PLAY;
915 		} else
916 			return EINVAL;
917 	}
918 
919 	for (mode = AUMODE_RECORD; mode != -1;
920 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
921 		if ((setmode & mode) == 0)
922 			continue;
923 
924 		p = mode == AUMODE_PLAY ? play : rec;
925 		fil = mode == AUMODE_PLAY ? pfil : rfil;
926 		if (sc->sc_mode == SNAPPER_IS_TAS3001) {
927 			if (auconv_set_converter(tumbler_formats,
928 				    TUMBLER_NFORMATS, mode, p, true, fil) < 0) {
929 				DPRINTF("snapper_set_params: "
930 					"auconv_set_converter failed\n");
931 				return EINVAL;
932 			}
933 		} else {	/* TAS 3004 */
934 			if (auconv_set_converter(snapper_formats,
935 				    SNAPPER_NFORMATS, mode, p, true, fil) < 0) {
936 				DPRINTF("snapper_set_params: "
937 					"auconv_set_converter failed\n");
938 				return EINVAL;
939 			}
940 		}
941 
942 		if (fil->req_size > 0)
943 			p = &fil->filters[0].param;
944 		if (p->precision == 16) {
945 			if (sc->sc_mode == SNAPPER_SWVOL)
946 				fil->prepend(fil, snapper_volume, p);
947 			else if (sc->sc_mode == 0 && p->channels == 2) {
948 				/*
949 				 * Fix phase problems on TAS3004.
950 				 * This filter must go last on the chain,
951 				 * so prepend it, not append it.
952 				 */
953 				fil->prepend(fil, snapper_fixphase, p);
954 			}
955 		}
956 	}
957 
958 	/* Set the speed. p points HW encoding. */
959 	if (p) {
960 		sc->sc_rate = p->sample_rate;
961 		sc->sc_bitspersample = p->precision;
962 	}
963 	return 0;
964 }
965 
966 static int
967 snapper_round_blocksize(void *h, int size, int mode,
968 			const audio_params_t *param)
969 {
970 
971 	if (size < NBPG)
972 		size = NBPG;
973 	return size & ~PGOFSET;
974 }
975 
976 static int
977 snapper_halt_output(void *h)
978 {
979 	struct snapper_softc *sc;
980 
981 	sc = h;
982 	dbdma_stop(sc->sc_odma);
983 	dbdma_reset(sc->sc_odma);
984 	sc->sc_ointr = NULL;
985 	return 0;
986 }
987 
988 static int
989 snapper_halt_input(void *h)
990 {
991 	struct snapper_softc *sc;
992 
993 	sc = h;
994 	dbdma_stop(sc->sc_idma);
995 	dbdma_reset(sc->sc_idma);
996 	sc->sc_iintr = NULL;
997 	return 0;
998 }
999 
1000 static int
1001 snapper_getdev(void *h, struct audio_device *retp)
1002 {
1003 
1004 	*retp = snapper_device;
1005 	return 0;
1006 }
1007 
1008 enum {
1009 	SNAPPER_MONITOR_CLASS,
1010 	SNAPPER_OUTPUT_CLASS,
1011 	SNAPPER_RECORD_CLASS,
1012 	SNAPPER_OUTPUT_SELECT,
1013 	SNAPPER_VOL_OUTPUT,
1014 	SNAPPER_DIGI1,
1015 	SNAPPER_DIGI2,
1016 	SNAPPER_VOL_INPUT,
1017 	SNAPPER_TREBLE,
1018 	SNAPPER_BASS,
1019 	/* From this point, unsupported by the TAS 3001 */
1020 	SNAPPER_ANALOG,
1021 	SNAPPER_INPUT_SELECT,
1022 	SNAPPER_ENUM_LAST
1023 };
1024 
1025 static int
1026 snapper_set_port(void *h, mixer_ctrl_t *mc)
1027 {
1028 	struct snapper_softc *sc;
1029 	int l, r;
1030 	u_char data;
1031 
1032 	DPRINTF("snapper_set_port dev = %d, type = %d\n", mc->dev, mc->type);
1033 	sc = h;
1034 	l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1035 	r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1036 
1037 	switch (mc->dev) {
1038 	case SNAPPER_OUTPUT_SELECT:
1039 		/* No change necessary? */
1040 		if (mc->un.mask == sc->sc_output_mask)
1041 			return 0;
1042 
1043 		snapper_mute_speaker(sc, 1);
1044 		snapper_mute_headphone(sc, 1);
1045 		if (mc->un.mask & 1 << 0)
1046 			snapper_mute_speaker(sc, 0);
1047 		if (mc->un.mask & 1 << 1)
1048 			snapper_mute_headphone(sc, 0);
1049 
1050 		sc->sc_output_mask = mc->un.mask;
1051 		return 0;
1052 
1053 	case SNAPPER_VOL_OUTPUT:
1054 		snapper_set_volume(sc, l, r);
1055 		return 0;
1056 
1057 	case SNAPPER_INPUT_SELECT:
1058 		if (sc->sc_mode != 0)
1059 			return ENXIO;
1060 
1061 		/* no change necessary? */
1062 		if (mc->un.mask == sc->sc_record_source)
1063 			return 0;
1064 		switch (mc->un.mask) {
1065 		case 1 << 0: /* microphone */
1066 			/* Select right channel of B input */
1067 			data = DEQ_ACR_ADM | DEQ_ACR_LRB | DEQ_ACR_INP_B;
1068 			tas3004_write(sc, DEQ_ACR, &data);
1069 			break;
1070 		case 1 << 1: /* line in */
1071 			/* Select both channels of A input */
1072 			data = 0;
1073 			tas3004_write(sc, DEQ_ACR, &data);
1074 			break;
1075 		default: /* invalid argument */
1076 			return EINVAL;
1077 		}
1078 		sc->sc_record_source = mc->un.mask;
1079 		return 0;
1080 
1081 	case SNAPPER_VOL_INPUT:
1082 		/* XXX TO BE DONE */
1083 		return 0;
1084 
1085 	case SNAPPER_BASS:
1086 		if (sc->sc_mode == SNAPPER_SWVOL)
1087 			return ENXIO;
1088 		snapper_set_bass(sc, l);
1089 		return 0;
1090 	case SNAPPER_TREBLE:
1091 		if (sc->sc_mode == SNAPPER_SWVOL)
1092 			return ENXIO;
1093 		snapper_set_treble(sc, l);
1094 		return 0;
1095 	case SNAPPER_DIGI1:
1096 		if (sc->sc_mode == SNAPPER_SWVOL)
1097 			return ENXIO;
1098 
1099 		sc->mixer[0] = l;
1100 		sc->mixer[3] = r;
1101 		snapper_write_mixers(sc);
1102 		return 0;
1103 	case SNAPPER_DIGI2:
1104 		if (sc->sc_mode == SNAPPER_SWVOL)
1105 			return ENXIO;
1106 
1107 		if (sc->sc_mode == SNAPPER_IS_TAS3001)
1108 			sc->mixer[3] = l;
1109 		else {
1110 			sc->mixer[1] = l;
1111 			sc->mixer[4] = r;
1112 		}
1113 		snapper_write_mixers(sc);
1114 		return 0;
1115 	case SNAPPER_ANALOG:
1116 		if (sc->sc_mode != 0)
1117 			return ENXIO;
1118 
1119 		sc->mixer[2] = l;
1120 		sc->mixer[5] = r;
1121 		snapper_write_mixers(sc);
1122 		return 0;
1123 	}
1124 	return ENXIO;
1125 }
1126 
1127 static int
1128 snapper_get_port(void *h, mixer_ctrl_t *mc)
1129 {
1130 	struct snapper_softc *sc;
1131 
1132 	DPRINTF("snapper_get_port dev = %d, type = %d\n", mc->dev, mc->type);
1133 	sc = h;
1134 	switch (mc->dev) {
1135 	case SNAPPER_OUTPUT_SELECT:
1136 		mc->un.mask = sc->sc_output_mask;
1137 		return 0;
1138 
1139 	case SNAPPER_VOL_OUTPUT:
1140 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->sc_vol_l;
1141 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->sc_vol_r;
1142 		return 0;
1143 
1144 	case SNAPPER_INPUT_SELECT:
1145 		if (sc->sc_mode != 0)
1146 			return ENXIO;
1147 
1148 		mc->un.mask = sc->sc_record_source;
1149 		return 0;
1150 
1151 	case SNAPPER_VOL_INPUT:
1152 		/* XXX TO BE DONE */
1153 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 0;
1154 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 0;
1155 		return 0;
1156 
1157 	case SNAPPER_TREBLE:
1158 		if (sc->sc_mode == SNAPPER_SWVOL)
1159 			return ENXIO;
1160 		mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble;
1161 		return 0;
1162 	case SNAPPER_BASS:
1163 		if (sc->sc_mode == SNAPPER_SWVOL)
1164 			return ENXIO;
1165 		mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass;
1166 		return 0;
1167 
1168 	case SNAPPER_DIGI1:
1169 		if (sc->sc_mode == SNAPPER_SWVOL)
1170 			return ENXIO;
1171 
1172 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->mixer[0];
1173 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->mixer[3];
1174 		return 0;
1175 	case SNAPPER_DIGI2:
1176 		if (sc->sc_mode == SNAPPER_SWVOL)
1177 			return ENXIO;
1178 
1179 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->mixer[1];
1180 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->mixer[4];
1181 		return 0;
1182 	case SNAPPER_ANALOG:
1183 		if (sc->sc_mode != 0)
1184 			return ENXIO;
1185 
1186 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->mixer[2];
1187 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->mixer[5];
1188 		return 0;
1189 	default:
1190 		return ENXIO;
1191 	}
1192 
1193 	return 0;
1194 }
1195 
1196 static int
1197 snapper_query_devinfo(void *h, mixer_devinfo_t *dip)
1198 {
1199 	struct snapper_softc *sc = h;
1200 
1201 	switch (dip->index) {
1202 
1203 	case SNAPPER_OUTPUT_SELECT:
1204 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1205 		strcpy(dip->label.name, AudioNoutput);
1206 		dip->type = AUDIO_MIXER_SET;
1207 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1208 		dip->un.s.num_mem = 2;
1209 		strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
1210 		dip->un.s.member[0].mask = 1 << 0;
1211 		strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
1212 		dip->un.s.member[1].mask = 1 << 1;
1213 		return 0;
1214 
1215 	case SNAPPER_VOL_OUTPUT:
1216 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1217 		strcpy(dip->label.name, AudioNmaster);
1218 		dip->type = AUDIO_MIXER_VALUE;
1219 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1220 		dip->un.v.num_channels = 2;
1221 		dip->un.v.delta = 16;
1222 		strcpy(dip->un.v.units.name, AudioNvolume);
1223 		return 0;
1224 
1225 	case SNAPPER_INPUT_SELECT:
1226 		if (sc->sc_mode != 0)
1227 			return ENXIO;
1228 
1229 		dip->mixer_class = SNAPPER_RECORD_CLASS;
1230 		strcpy(dip->label.name, AudioNsource);
1231 		dip->type = AUDIO_MIXER_SET;
1232 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1233 		dip->un.s.num_mem = 2;
1234 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1235 		dip->un.s.member[0].mask = 1 << 0;
1236 		strcpy(dip->un.s.member[1].label.name, AudioNline);
1237 		dip->un.s.member[1].mask = 1 << 1;
1238 		return 0;
1239 
1240 	case SNAPPER_VOL_INPUT:
1241 		dip->mixer_class = SNAPPER_RECORD_CLASS;
1242 		strcpy(dip->label.name, AudioNrecord);
1243 		dip->type = AUDIO_MIXER_VALUE;
1244 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1245 		dip->un.v.num_channels = 2;
1246 		strcpy(dip->un.v.units.name, AudioNvolume);
1247 		return 0;
1248 
1249 	case SNAPPER_MONITOR_CLASS:
1250 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1251 		strcpy(dip->label.name, AudioCmonitor);
1252 		dip->type = AUDIO_MIXER_CLASS;
1253 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1254 		return 0;
1255 
1256 	case SNAPPER_OUTPUT_CLASS:
1257 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1258 		strcpy(dip->label.name, AudioCoutputs);
1259 		dip->type = AUDIO_MIXER_CLASS;
1260 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1261 		return 0;
1262 
1263 	case SNAPPER_RECORD_CLASS:
1264 		dip->mixer_class = SNAPPER_RECORD_CLASS;
1265 		strcpy(dip->label.name, AudioCrecord);
1266 		dip->type = AUDIO_MIXER_CLASS;
1267 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1268 		return 0;
1269 
1270 	case SNAPPER_TREBLE:
1271 		if (sc->sc_mode == SNAPPER_SWVOL)
1272 			return ENXIO;
1273 
1274 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1275 		strcpy(dip->label.name, AudioNtreble);
1276 		dip->type = AUDIO_MIXER_VALUE;
1277 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1278 		dip->un.v.num_channels = 1;
1279 		return 0;
1280 
1281 	case SNAPPER_BASS:
1282 		if (sc->sc_mode == SNAPPER_SWVOL)
1283 			return ENXIO;
1284 
1285 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1286 		strcpy(dip->label.name, AudioNbass);
1287 		dip->type = AUDIO_MIXER_VALUE;
1288 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1289 		dip->un.v.num_channels = 1;
1290 		return 0;
1291 
1292 	case SNAPPER_DIGI1:
1293 		if (sc->sc_mode == SNAPPER_SWVOL)
1294 			return ENXIO;
1295 
1296 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1297 		strcpy(dip->label.name, AudioNdac);
1298 		dip->type = AUDIO_MIXER_VALUE;
1299 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1300 		dip->un.v.num_channels =
1301 			sc->sc_mode == SNAPPER_IS_TAS3001? 1 : 2;
1302 		return 0;
1303 	case SNAPPER_DIGI2:
1304 		if (sc->sc_mode == SNAPPER_SWVOL)
1305 			return ENXIO;
1306 
1307 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1308 		strcpy(dip->label.name, AudioNline);
1309 		dip->type = AUDIO_MIXER_VALUE;
1310 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1311 		dip->un.v.num_channels =
1312 			sc->sc_mode == SNAPPER_IS_TAS3001? 1 : 2;
1313 		return 0;
1314 	case SNAPPER_ANALOG:
1315 		if (sc->sc_mode != 0)
1316 			return ENXIO;
1317 
1318 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1319 		strcpy(dip->label.name, AudioNmicrophone);
1320 		dip->type = AUDIO_MIXER_VALUE;
1321 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1322 		dip->un.v.num_channels = 2;
1323 		return 0;
1324 	}
1325 
1326 	return ENXIO;
1327 }
1328 
1329 static size_t
1330 snapper_round_buffersize(void *h, int dir, size_t size)
1331 {
1332 
1333 	if (size > 65536)
1334 		size = 65536;
1335 	return size;
1336 }
1337 
1338 static paddr_t
1339 snapper_mappage(void *h, void *mem, off_t off, int prot)
1340 {
1341 
1342 	if (off < 0)
1343 		return -1;
1344 	return -1;	/* XXX */
1345 }
1346 
1347 static int
1348 snapper_get_props(void *h)
1349 {
1350 	return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
1351 }
1352 
1353 static int
1354 snapper_trigger_output(void *h, void *start, void *end, int bsize,
1355 		       void (*intr)(void *), void *arg,
1356 		       const audio_params_t *param)
1357 {
1358 	struct snapper_softc *sc;
1359 	struct dbdma_command *cmd;
1360 	vaddr_t va;
1361 	int i, len, intmode;
1362 	int res;
1363 
1364 	DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
1365 	sc = h;
1366 
1367 	if ((res = snapper_set_rate(sc)) != 0)
1368 		return res;
1369 
1370 	cmd = sc->sc_odmacmd;
1371 	sc->sc_ointr = intr;
1372 	sc->sc_oarg = arg;
1373 	sc->sc_opages = ((char *)end - (char *)start) / NBPG;
1374 
1375 #ifdef DIAGNOSTIC
1376 	if (sc->sc_opages > SNAPPER_MAXPAGES)
1377 		panic("snapper_trigger_output");
1378 #endif
1379 
1380 	va = (vaddr_t)start;
1381 	len = 0;
1382 	for (i = sc->sc_opages; i > 0; i--) {
1383 		len += NBPG;
1384 		if (len < bsize)
1385 			intmode = 0;
1386 		else {
1387 			len = 0;
1388 			intmode = DBDMA_INT_ALWAYS;
1389 		}
1390 
1391 		DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, NBPG, vtophys(va),
1392 		    intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1393 		cmd++;
1394 		va += NBPG;
1395 	}
1396 
1397 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0,
1398 	    0/*vtophys((vaddr_t)sc->sc_odmacmd)*/, 0, DBDMA_WAIT_NEVER,
1399 	    DBDMA_BRANCH_ALWAYS);
1400 
1401 	out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
1402 
1403 	dbdma_start(sc->sc_odma, sc->sc_odmacmd);
1404 
1405 	return 0;
1406 }
1407 
1408 static int
1409 snapper_trigger_input(void *h, void *start, void *end, int bsize,
1410 		      void (*intr)(void *), void *arg,
1411 		      const audio_params_t *param)
1412 {
1413 	struct snapper_softc *sc;
1414 	struct dbdma_command *cmd;
1415 	vaddr_t va;
1416 	int i, len, intmode;
1417 	int res;
1418 
1419 	DPRINTF("trigger_input %p %p 0x%x\n", start, end, bsize);
1420 	sc = h;
1421 
1422 	if ((res = snapper_set_rate(sc)) != 0)
1423 		return res;
1424 
1425 	cmd = sc->sc_idmacmd;
1426 	sc->sc_iintr = intr;
1427 	sc->sc_iarg = arg;
1428 	sc->sc_ipages = ((char *)end - (char *)start) / NBPG;
1429 
1430 #ifdef DIAGNOSTIC
1431 	if (sc->sc_ipages > SNAPPER_MAXPAGES)
1432 		panic("snapper_trigger_input");
1433 #endif
1434 
1435 	va = (vaddr_t)start;
1436 	len = 0;
1437 	for (i = sc->sc_ipages; i > 0; i--) {
1438 		len += NBPG;
1439 		if (len < bsize)
1440 			intmode = 0;
1441 		else {
1442 			len = 0;
1443 			intmode = DBDMA_INT_ALWAYS;
1444 		}
1445 
1446 		DBDMA_BUILD(cmd, DBDMA_CMD_IN_MORE, 0, NBPG, vtophys(va),
1447 		    intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1448 		cmd++;
1449 		va += NBPG;
1450 	}
1451 
1452 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0,
1453 	    0/*vtophys((vaddr_t)sc->sc_odmacmd)*/, 0, DBDMA_WAIT_NEVER,
1454 	    DBDMA_BRANCH_ALWAYS);
1455 
1456 	out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_idmacmd));
1457 
1458 	dbdma_start(sc->sc_idma, sc->sc_idmacmd);
1459 
1460 	return 0;
1461 }
1462 
1463 static void
1464 snapper_set_volume(struct snapper_softc *sc, u_int left, u_int right)
1465 {
1466 	u_char regs[6];
1467 	int l, r;
1468 
1469 	left = min(255, left);
1470 	right = min(255, right);
1471 
1472 	if (sc->sc_mode == SNAPPER_SWVOL) {
1473 		snapper_vol_l = left;
1474 		snapper_vol_r = right;
1475 	} else {
1476 		/*
1477 		 * for some insane reason the gain table for master volume and the
1478 		 * mixer channels is almost identical - just shifted by 4 bits
1479 		 * so we use the mixer_gain table and bit-twiddle it...
1480 		 */
1481 		l = 177 - (left * 178 / 256);
1482 		regs[0] =  (snapper_mixer_gain[l][0] >> 4);
1483 		regs[1] = ((snapper_mixer_gain[l][0] & 0x0f) << 4) |
1484 			   (snapper_mixer_gain[l][1] >> 4);
1485 		regs[2] = ((snapper_mixer_gain[l][1] & 0x0f) << 4) |
1486 			   (snapper_mixer_gain[l][2] >> 4);
1487 
1488 		r = 177 - (right * 178 / 256);
1489 		regs[3] =  (snapper_mixer_gain[r][0] >> 4);
1490 		regs[4] = ((snapper_mixer_gain[r][0] & 0x0f) << 4) |
1491 			   (snapper_mixer_gain[r][1] >> 4);
1492 		regs[5] = ((snapper_mixer_gain[r][1] & 0x0f) << 4) |
1493 			   (snapper_mixer_gain[r][2] >> 4);
1494 
1495 		tas3004_write(sc, DEQ_VOLUME, regs);
1496 
1497 		DPRINTF("%d %02x %02x %02x : %d %02x %02x %02x\n", l, regs[0],
1498 		    regs[1], regs[2], r, regs[3], regs[4], regs[5]);
1499 	}
1500 
1501 	sc->sc_vol_l = left;
1502 	sc->sc_vol_r = right;
1503 }
1504 
1505 static void
1506 snapper_set_basstreble(struct snapper_softc *sc, u_int val, u_int mode)
1507 {
1508 	int i = val & 0xFF;
1509 	uint8_t reg;
1510 
1511 	/*
1512 	 * Make 128 match the 0 dB point
1513 	 */
1514 	i = (i - (128 - (SNAPPER_BASSTAB_0DB << 2))) >> 2;
1515 	if (i < 0)
1516 		i = 0;
1517 	else if (i >= sizeof(snapper_basstab))
1518 		i = sizeof(snapper_basstab) - 1;
1519 	reg = snapper_basstab[i];
1520 
1521 	if (sc->sc_mode == SNAPPER_IS_TAS3001 &&
1522 	    mode == DEQ_BASS) {
1523 	    /*
1524 	     * XXX -- The TAS3001 bass table is different
1525 	     *        than the other tables.
1526 	     */
1527 	    reg = (reg >> 1) + 5; // map 0x72 -> 0x3E (0 dB)
1528 	}
1529 
1530 	tas3004_write(sc, mode, &reg);
1531 }
1532 
1533 static void
1534 snapper_set_treble(struct snapper_softc *sc, u_int val)
1535 {
1536 	if (sc->sc_treble != (u_char)val) {
1537 		sc->sc_treble = val;
1538 		snapper_set_basstreble(sc, val, DEQ_TREBLE);
1539 	}
1540 }
1541 
1542 static void
1543 snapper_set_bass(struct snapper_softc *sc, u_int val)
1544 {
1545 	if (sc->sc_bass != (u_char)val) {
1546 		sc->sc_bass = val;
1547 		snapper_set_basstreble(sc, val, DEQ_BASS);
1548 	}
1549 }
1550 
1551 
1552 /*
1553  * In the mixer gain setting, make 128 correspond to
1554  * the 0dB value from the table.
1555  * Note that the table values are complemented.
1556  */
1557 #define SNAPPER_MIXER_GAIN_SIZE	(sizeof(snapper_mixer_gain) / \
1558                                	 sizeof(snapper_mixer_gain[0]))
1559 #define NORMALIZE(i)	((~(i) & 0xff) - ((~128 & 0xff) - SNAPPER_MIXER_GAIN_0DB))
1560 #define ADJUST(v, i)	do { \
1561                 		(v) = NORMALIZE(i);\
1562 				if ((v) < 0) \
1563 					(v) = 0; \
1564 				else if ((v) >= SNAPPER_MIXER_GAIN_SIZE) \
1565 					(v) = SNAPPER_MIXER_GAIN_SIZE - 1; \
1566 				\
1567 			} while (0)
1568 static void
1569 snapper_write_mixers(struct snapper_softc *sc)
1570 {
1571 	uint8_t regs[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
1572 	int i;
1573 
1574 	/* Left channel of SDIN1 */
1575 	ADJUST(i, sc->mixer[0]);
1576 	regs[0] = snapper_mixer_gain[i][0];
1577 	regs[1] = snapper_mixer_gain[i][1];
1578 	regs[2] = snapper_mixer_gain[i][2];
1579 
1580 	/* Left channel of SDIN2 */
1581 	ADJUST(i, sc->mixer[1]);
1582 	regs[3] = snapper_mixer_gain[i][0];
1583 	regs[4] = snapper_mixer_gain[i][1];
1584 	regs[5] = snapper_mixer_gain[i][2];
1585 
1586 	/* Left channel of analog input */
1587 	ADJUST(i, sc->mixer[2]);
1588 	regs[6] = snapper_mixer_gain[i][0];
1589 	regs[7] = snapper_mixer_gain[i][1];
1590 	regs[8] = snapper_mixer_gain[i][2];
1591 
1592 	tas3004_write(sc, DEQ_MIXER_L, regs);
1593 
1594 	/* Right channel of SDIN1 */
1595 	ADJUST(i, sc->mixer[3]);
1596 	regs[0] = snapper_mixer_gain[i][0];
1597 	regs[1] = snapper_mixer_gain[i][1];
1598 	regs[2] = snapper_mixer_gain[i][2];
1599 
1600 	/* Right channel of SDIN2 */
1601 	ADJUST(i, sc->mixer[4]);
1602 	regs[3] = snapper_mixer_gain[i][0];
1603 	regs[4] = snapper_mixer_gain[i][1];
1604 	regs[5] = snapper_mixer_gain[i][2];
1605 
1606 	/* Right channel of analog input */
1607 	ADJUST(i, sc->mixer[5]);
1608 	regs[6] = snapper_mixer_gain[i][0];
1609 	regs[7] = snapper_mixer_gain[i][1];
1610 	regs[8] = snapper_mixer_gain[i][2];
1611 
1612 	tas3004_write(sc, DEQ_MIXER_R, regs);
1613 }
1614 
1615 #define CLKSRC_49MHz	0x80000000	/* Use 49152000Hz Osc. */
1616 #define CLKSRC_45MHz	0x40000000	/* Use 45158400Hz Osc. */
1617 #define CLKSRC_18MHz	0x00000000	/* Use 18432000Hz Osc. */
1618 #define MCLK_DIV	0x1f000000	/* MCLK = SRC / DIV */
1619 #define  MCLK_DIV1	0x14000000	/*  MCLK = SRC */
1620 #define  MCLK_DIV3	0x13000000	/*  MCLK = SRC / 3 */
1621 #define  MCLK_DIV5	0x12000000	/*  MCLK = SRC / 5 */
1622 #define SCLK_DIV	0x00f00000	/* SCLK = MCLK / DIV */
1623 #define  SCLK_DIV1	0x00800000
1624 #define  SCLK_DIV3	0x00900000
1625 #define SCLK_MASTER	0x00080000	/* Master mode */
1626 #define SCLK_SLAVE	0x00000000	/* Slave mode */
1627 #define SERIAL_FORMAT	0x00070000
1628 #define  SERIAL_SONY	0x00000000
1629 #define  SERIAL_64x	0x00010000
1630 #define  SERIAL_32x	0x00020000
1631 #define  SERIAL_DAV	0x00040000
1632 #define  SERIAL_SILICON	0x00050000
1633 
1634 /*
1635  * rate = fs = LRCLK
1636  * SCLK = 64*LRCLK (I2S)
1637  * MCLK = 256fs (typ. -- changeable)
1638  *
1639  * MCLK = clksrc / mdiv
1640  * SCLK = MCLK / sdiv
1641  * rate = SCLK / 64    ( = LRCLK = fs)
1642  */
1643 
1644 int
1645 snapper_set_rate(struct snapper_softc *sc)
1646 {
1647 	u_int reg = 0, x;
1648 	u_int rate = sc->sc_rate;
1649 	uint32_t wordsize, ows;
1650 	int MCLK;
1651 	int clksrc, mdiv, sdiv;
1652 	int mclk_fs;
1653 	int timo;
1654 	uint8_t mcr1;
1655 
1656 	switch (rate) {
1657 	case 44100:
1658 		clksrc = 45158400;		/* 45MHz */
1659 		reg = CLKSRC_45MHz;
1660 		mclk_fs = 256;
1661 		break;
1662 
1663 	case 32000:
1664 	case 48000:
1665 	case 96000:
1666 		clksrc = 49152000;		/* 49MHz */
1667 		reg = CLKSRC_49MHz;
1668 		mclk_fs = 256;
1669 		break;
1670 
1671 	default:
1672 		DPRINTF("snapper_set_rate: invalid rate %u\n", rate);
1673 		return EINVAL;
1674 	}
1675 
1676 	MCLK = rate * mclk_fs;
1677 	mdiv = clksrc / MCLK;			/* 4 */
1678 	sdiv = mclk_fs / 64;			/* 4 */
1679 
1680 	switch (mdiv) {
1681 	case 1:
1682 		reg |= MCLK_DIV1;
1683 		break;
1684 	case 3:
1685 		reg |= MCLK_DIV3;
1686 		break;
1687 	case 5:
1688 		reg |= MCLK_DIV5;
1689 		break;
1690 	default:
1691 		reg |= ((mdiv / 2 - 1) << 24) & 0x1f000000;
1692 		break;
1693 	}
1694 
1695 	switch (sdiv) {
1696 	case 1:
1697 		reg |= SCLK_DIV1;
1698 		break;
1699 	case 3:
1700 		reg |= SCLK_DIV3;
1701 		break;
1702 	default:
1703 		reg |= ((sdiv / 2 - 1) << 20) & 0x00f00000;
1704 		break;
1705 	}
1706 
1707 	reg |= SCLK_MASTER;	/* XXX master mode */
1708 
1709 	reg |= SERIAL_64x;
1710 
1711 	/* stereo input and output */
1712 
1713 	DPRINTF("precision: %d\n", sc->sc_bitspersample);
1714 	switch(sc->sc_bitspersample) {
1715 		case 16:
1716 			wordsize = 0x02000200;
1717 			mcr1 = DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_16;
1718 			break;
1719 		case 24:
1720 			wordsize = 0x03000300;
1721 			mcr1 = DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_24;
1722 			break;
1723 		default:
1724 			printf("%s: unsupported sample size %d\n",
1725 			    device_xname(sc->sc_dev), sc->sc_bitspersample);
1726 			return EINVAL;
1727 	}
1728 
1729 	if (sc->sc_mode == SNAPPER_IS_TAS3001)
1730 		mcr1 |= DEQ_MCR1_ISM_I2S;
1731 
1732 	ows = bus_space_read_4(sc->sc_tag, sc->sc_bsh, I2S_WORDSIZE);
1733 
1734 	DPRINTF("I2SSetDataWordSizeReg 0x%08x -> 0x%08x\n",
1735 	    ows, wordsize);
1736 	if (ows != wordsize) {
1737 		bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_WORDSIZE,
1738 		    wordsize);
1739 		if (sc->sc_mode != SNAPPER_SWVOL)
1740 			tas3004_write(sc, DEQ_MCR1, &mcr1);
1741 	}
1742 
1743 	x = bus_space_read_4(sc->sc_tag, sc->sc_bsh, I2S_FORMAT);
1744 	if (x == reg)
1745 		return 0;        /* No change; do nothing. */
1746 
1747 	DPRINTF("I2SSetSerialFormatReg 0x%x -> 0x%x\n",
1748 	    bus_space_read_4(sc->sc_tag, sc->sc_bsh, + I2S_FORMAT), reg);
1749 
1750 	/* Clear CLKSTOPPEND. */
1751 	bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_INT, I2S_INT_CLKSTOPPEND);
1752 
1753 	x = obio_read_4(KEYLARGO_FCR1);                /* FCR */
1754 	x &= ~I2S0CLKEN;                /* XXX I2S0 */
1755 	obio_write_4(KEYLARGO_FCR1, x);
1756 
1757 	/* Wait until clock is stopped. */
1758 	for (timo = 1000; timo > 0; timo--) {
1759 		if (bus_space_read_4(sc->sc_tag, sc->sc_bsh, I2S_INT) &
1760 		    I2S_INT_CLKSTOPPEND)
1761 			goto done;
1762 		delay(1);
1763 	}
1764 	DPRINTF("snapper_set_rate: timeout\n");
1765 done:
1766 	bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_FORMAT, reg);
1767 
1768 	x = obio_read_4(KEYLARGO_FCR1);
1769 	x |= I2S0CLKEN;
1770 	obio_write_4(KEYLARGO_FCR1, x);
1771 
1772 	return 0;
1773 }
1774 
1775 const struct tas3004_reg tas3004_initdata = {
1776 	{ DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_16 },	/* MCR1 */
1777 	{ 1, 0, 0, 0, 0, 0 },					/* DRC */
1778 	{ 0, 0, 0, 0, 0, 0 },					/* VOLUME */
1779 	{ 0x72 },						/* TREBLE */
1780 	{ 0x72 },						/* BASS */
1781 	{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 },			/* MIXER_L */
1782 	{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 },			/* MIXER_R */
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 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1786 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1787 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1788 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1789 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1790 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1791 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1792 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1793 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1794 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1795 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1796 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1797 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1798 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1799 	{ 0, 0, 0 },						/* LLB_GAIN */
1800 	{ 0, 0, 0 },						/* RLB_GAIN */
1801 	{ DEQ_ACR_ADM | DEQ_ACR_LRB | DEQ_ACR_INP_B },		/* ACR - right channel of input B is the microphone */
1802 	{ 2 }							/* MCR2 - AllPass mode since we don't use the equalizer anyway */
1803 };
1804 
1805 const char tas3004_regsize[] = {
1806 	0,					/* 0x00 */
1807 	sizeof tas3004_initdata.MCR1,		/* 0x01 */
1808 	sizeof tas3004_initdata.DRC,		/* 0x02 */
1809 	0,					/* 0x03 */
1810 	sizeof tas3004_initdata.VOLUME,		/* 0x04 */
1811 	sizeof tas3004_initdata.TREBLE,		/* 0x05 */
1812 	sizeof tas3004_initdata.BASS,		/* 0x06 */
1813 	sizeof tas3004_initdata.MIXER_L,	/* 0x07 */
1814 	sizeof tas3004_initdata.MIXER_R,	/* 0x08 */
1815 	0,					/* 0x09 */
1816 	sizeof tas3004_initdata.LB0,		/* 0x0a */
1817 	sizeof tas3004_initdata.LB1,		/* 0x0b */
1818 	sizeof tas3004_initdata.LB2,		/* 0x0c */
1819 	sizeof tas3004_initdata.LB3,		/* 0x0d */
1820 	sizeof tas3004_initdata.LB4,		/* 0x0e */
1821 	sizeof tas3004_initdata.LB5,		/* 0x0f */
1822 	sizeof tas3004_initdata.LB6,		/* 0x10 */
1823 	0,					/* 0x11 */
1824 	0,					/* 0x12 */
1825 	sizeof tas3004_initdata.RB0,		/* 0x13 */
1826 	sizeof tas3004_initdata.RB1,		/* 0x14 */
1827 	sizeof tas3004_initdata.RB2,		/* 0x15 */
1828 	sizeof tas3004_initdata.RB3,		/* 0x16 */
1829 	sizeof tas3004_initdata.RB4,		/* 0x17 */
1830 	sizeof tas3004_initdata.RB5,		/* 0x18 */
1831 	sizeof tas3004_initdata.RB6,		/* 0x19 */
1832 	0,0,0,0, 0,0,
1833 	0,					/* 0x20 */
1834 	sizeof tas3004_initdata.LLB,		/* 0x21 */
1835 	sizeof tas3004_initdata.RLB,		/* 0x22 */
1836 	sizeof tas3004_initdata.LLB_GAIN,	/* 0x23 */
1837 	sizeof tas3004_initdata.RLB_GAIN,	/* 0x24 */
1838 	0,0,0,0, 0,0,0,0, 0,0,0,
1839 	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
1840 	sizeof tas3004_initdata.ACR,		/* 0x40 */
1841 	0,					/* 0x41 */
1842 	0,					/* 0x42 */
1843 	sizeof tas3004_initdata.MCR2		/* 0x43 */
1844 };
1845 
1846 static int
1847 tas3004_write(struct snapper_softc *sc, u_int reg, const void *data)
1848 {
1849 	int size;
1850 	static char regblock[sizeof(struct tas3004_reg)+1];
1851 
1852 	if (sc->sc_i2c == NULL)
1853 		return 0;
1854 
1855 	KASSERT(reg < sizeof tas3004_regsize);
1856 	size = tas3004_regsize[reg];
1857 	KASSERT(size > 0);
1858 
1859 	DPRINTF("reg: %x, %d %d\n", reg, size, ((const char*)data)[0]);
1860 
1861 	regblock[0] = reg;
1862 	memcpy(&regblock[1], data, size);
1863 	if (sc->sc_mode == SNAPPER_IS_TAS3001) {
1864 		if (reg == DEQ_MIXER_L || reg == DEQ_MIXER_R)
1865 			size = 3;
1866 		else if (reg == DEQ_DRC || reg == DEQ_ACR ||
1867 			 reg == DEQ_MCR2) {
1868 			/* these registers are not available on TAS3001 */
1869 			return 0;
1870 		}
1871 	}
1872 	iic_acquire_bus(sc->sc_i2c, 0);
1873 	iic_exec(sc->sc_i2c, I2C_OP_WRITE, sc->sc_deqaddr, regblock, size + 1,
1874 	    NULL, 0, 0);
1875 	iic_release_bus(sc->sc_i2c, 0);
1876 
1877 	return 0;
1878 }
1879 
1880 static int
1881 gpio_read(char *addr)
1882 {
1883 
1884 	if (*addr & GPIO_DATA)
1885 		return 1;
1886 	return 0;
1887 }
1888 
1889 static void
1890 gpio_write(char *addr, int val)
1891 {
1892 	u_int data;
1893 
1894 	data = GPIO_DDR_OUTPUT;
1895 	if (val)
1896 		data |= GPIO_DATA;
1897 	*addr = data;
1898 	__asm volatile ("eieio");
1899 }
1900 
1901 #define headphone_active 0	/* XXX OF */
1902 #define amp_active 0		/* XXX OF */
1903 
1904 static void
1905 snapper_mute_speaker(struct snapper_softc *sc, int mute)
1906 {
1907 	u_int x;
1908 
1909 	if (amp_mute) {
1910 		DPRINTF("ampmute %d --> ", gpio_read(amp_mute));
1911 
1912 		if (mute)
1913 			x = amp_active;		/* mute */
1914 		else
1915 			x = !amp_active;	/* unmute */
1916 		if (x != gpio_read(amp_mute))
1917 			gpio_write(amp_mute, x);
1918 
1919 		DPRINTF("%d\n", gpio_read(amp_mute));
1920 	}
1921 }
1922 
1923 static void
1924 snapper_mute_headphone(struct snapper_softc *sc, int mute)
1925 {
1926 	u_int x;
1927 
1928 	if (headphone_mute != NULL) {
1929 		DPRINTF("headphonemute %d --> ", gpio_read(headphone_mute));
1930 
1931 		if (mute)
1932 			x = headphone_active;	/* mute */
1933 		else
1934 			x = !headphone_active;	/* unmute */
1935 		if (x != gpio_read(headphone_mute))
1936 			gpio_write(headphone_mute, x);
1937 
1938 		DPRINTF("%d\n", gpio_read(headphone_mute));
1939 	}
1940 }
1941 
1942 static int
1943 snapper_cint(void *v)
1944 {
1945 	struct snapper_softc *sc;
1946 	u_int sense;
1947 
1948 	if (headphone_detect != NULL) {
1949 		sc = v;
1950 		sense = *headphone_detect;
1951 		DPRINTF("headphone detect = 0x%x\n", sense);
1952 
1953 		if (((sense & 0x02) >> 1) == headphone_detect_active) {
1954 			DPRINTF("headphone is inserted\n");
1955 			snapper_mute_speaker(sc, 1);
1956 			snapper_mute_headphone(sc, 0);
1957 			sc->sc_output_mask = 1 << 1;
1958 		} else {
1959 			DPRINTF("headphone is NOT inserted\n");
1960 			snapper_mute_speaker(sc, 0);
1961 			snapper_mute_headphone(sc, 1);
1962 			sc->sc_output_mask = 1 << 0;
1963 		}
1964 	}
1965 
1966 	return 1;
1967 }
1968 
1969 #define reset_active 0	/* XXX OF */
1970 
1971 #define DEQ_WRITE(sc, reg, addr) \
1972 	if (tas3004_write(sc, reg, addr)) goto err
1973 
1974 static int
1975 tas3004_init(struct snapper_softc *sc)
1976 {
1977 
1978 	/* No reset port.  Nothing to do. */
1979 	if (audio_hw_reset == NULL)
1980 		goto noreset;
1981 
1982 	/* Reset TAS3004. */
1983 	gpio_write(audio_hw_reset, !reset_active);	/* Negate RESET */
1984 	delay(100000);				/* XXX Really needed? */
1985 
1986 	gpio_write(audio_hw_reset, reset_active);	/* Assert RESET */
1987 	delay(1);
1988 
1989 	gpio_write(audio_hw_reset, !reset_active);	/* Negate RESET */
1990 	delay(10000);
1991 
1992 noreset:
1993 	DEQ_WRITE(sc, DEQ_LB0, tas3004_initdata.LB0);
1994 	DEQ_WRITE(sc, DEQ_LB1, tas3004_initdata.LB1);
1995 	DEQ_WRITE(sc, DEQ_LB2, tas3004_initdata.LB2);
1996 	DEQ_WRITE(sc, DEQ_LB3, tas3004_initdata.LB3);
1997 	DEQ_WRITE(sc, DEQ_LB4, tas3004_initdata.LB4);
1998 	DEQ_WRITE(sc, DEQ_LB5, tas3004_initdata.LB5);
1999 	DEQ_WRITE(sc, DEQ_LB6, tas3004_initdata.LB6);
2000 	DEQ_WRITE(sc, DEQ_RB0, tas3004_initdata.RB0);
2001 	DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
2002 	DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
2003 	DEQ_WRITE(sc, DEQ_RB2, tas3004_initdata.RB2);
2004 	DEQ_WRITE(sc, DEQ_RB3, tas3004_initdata.RB3);
2005 	DEQ_WRITE(sc, DEQ_RB4, tas3004_initdata.RB4);
2006 	DEQ_WRITE(sc, DEQ_RB5, tas3004_initdata.RB5);
2007 	DEQ_WRITE(sc, DEQ_MCR1, tas3004_initdata.MCR1);
2008 	DEQ_WRITE(sc, DEQ_MCR2, tas3004_initdata.MCR2);
2009 	DEQ_WRITE(sc, DEQ_DRC, tas3004_initdata.DRC);
2010 	DEQ_WRITE(sc, DEQ_VOLUME, tas3004_initdata.VOLUME);
2011 	DEQ_WRITE(sc, DEQ_TREBLE, tas3004_initdata.TREBLE);
2012 	DEQ_WRITE(sc, DEQ_BASS, tas3004_initdata.BASS);
2013 	DEQ_WRITE(sc, DEQ_MIXER_L, tas3004_initdata.MIXER_L);
2014 	DEQ_WRITE(sc, DEQ_MIXER_R, tas3004_initdata.MIXER_R);
2015 	DEQ_WRITE(sc, DEQ_LLB, tas3004_initdata.LLB);
2016 	DEQ_WRITE(sc, DEQ_RLB, tas3004_initdata.RLB);
2017 	DEQ_WRITE(sc, DEQ_LLB_GAIN, tas3004_initdata.LLB_GAIN);
2018 	DEQ_WRITE(sc, DEQ_RLB_GAIN, tas3004_initdata.RLB_GAIN);
2019 	DEQ_WRITE(sc, DEQ_ACR, tas3004_initdata.ACR);
2020 
2021 	return 0;
2022 err:
2023 	printf("tas3004_init: error\n");
2024 	return -1;
2025 }
2026 
2027 static void
2028 snapper_init(struct snapper_softc *sc, int node)
2029 {
2030 	int gpio;
2031 	int headphone_detect_intr, headphone_detect_intrtype;
2032 	uint32_t gpio_base, reg[1];
2033 #ifdef SNAPPER_DEBUG
2034 	char fcr[32];
2035 
2036 	snprintb(fcr, sizeof(fcr),  FCR3C_BITMASK, obio_read_4(KEYLARGO_FCR1));
2037 	printf("FCR(0x3c) 0x%s\n", fcr);
2038 #endif
2039 	headphone_detect_intr = -1;
2040 
2041 	gpio = of_getnode_byname(OF_parent(node), "gpio");
2042 	if (OF_getprop(gpio, "reg", reg, sizeof(reg)) == sizeof(reg))
2043 		gpio_base = reg[0];
2044 	else
2045 		gpio_base = 0;
2046 	DPRINTF(" /gpio 0x%x@0x%x\n", (unsigned)gpio, gpio_base);
2047 
2048 	gpio = OF_child(gpio);
2049 	while (gpio) {
2050 		char name[64], audio_gpio[64];
2051 		int intr[2];
2052 		char *addr;
2053 
2054 		memset(name, 0, sizeof name);
2055 		memset(audio_gpio, 0, sizeof audio_gpio);
2056 		addr = 0;
2057 		OF_getprop(gpio, "name", name, sizeof name);
2058 		OF_getprop(gpio, "audio-gpio", audio_gpio, sizeof audio_gpio);
2059 		if (OF_getprop(gpio, "AAPL,address", &addr, sizeof addr) == -1)
2060 			if (OF_getprop(gpio, "reg", reg, sizeof reg)
2061 			    == sizeof reg)
2062 				addr = (char *)sc->sc_baseaddr +
2063 				    gpio_base + reg[0];
2064 		DPRINTF(" 0x%x %s %s\n", gpio, name, audio_gpio);
2065 
2066 		/* gpio5 */
2067 		if (strcmp(audio_gpio, "headphone-mute") == 0 ||
2068 		    strcmp(name, "headphone-mute") == 0)
2069 			headphone_mute = addr;
2070 		/* gpio6 */
2071 		if (strcmp(audio_gpio, "amp-mute") == 0 ||
2072 		    strcmp(name, "amp-mute") == 0)
2073 			amp_mute = addr;
2074 		/* extint-gpio15 */
2075 		if (strcmp(audio_gpio, "headphone-detect") == 0 ||
2076 		    strcmp(name, "headphone-detect") == 0) {
2077 			headphone_detect = addr;
2078 			OF_getprop(gpio, "audio-gpio-active-state",
2079 			    &headphone_detect_active, 4);
2080 			if (OF_getprop(gpio, "interrupts", intr, 8) == 8) {
2081 				headphone_detect_intr = intr[0];
2082 				headphone_detect_intrtype = intr[1];
2083 			}
2084 		}
2085 		/* gpio11 (keywest-11) */
2086 		if (strcmp(audio_gpio, "audio-hw-reset") == 0 ||
2087 		    strcmp(name, "hw-reset") == 0)
2088 			audio_hw_reset = addr;
2089 
2090 		gpio = OF_peer(gpio);
2091 	}
2092 
2093 	DPRINTF(" headphone-mute %p\n", headphone_mute);
2094 	DPRINTF(" amp-mute %p\n", amp_mute);
2095 	DPRINTF(" headphone-detect %p\n", headphone_detect);
2096 	DPRINTF(" headphone-detect active %x\n", headphone_detect_active);
2097 	DPRINTF(" headphone-detect intr %x\n", headphone_detect_intr);
2098 	DPRINTF(" audio-hw-reset %p\n", audio_hw_reset);
2099 
2100 	if (headphone_detect_intr != -1)
2101 		intr_establish(headphone_detect_intr, IST_EDGE, IPL_AUDIO,
2102 		    snapper_cint, sc);
2103 
2104 	sc->sc_rate = 44100;	/* default rate */
2105 	sc->sc_bitspersample = 16;
2106 
2107 	/* Enable headphone interrupt? */
2108 	if (headphone_detect != NULL) {
2109 		*headphone_detect |= 0x80;
2110 		__asm volatile ("eieio");
2111 	}
2112 
2113 	/* i2c_set_port(port); */
2114 
2115 	if (tas3004_init(sc))
2116 		return;
2117 
2118 	/* Update headphone status. */
2119 	snapper_cint(sc);
2120 
2121 	snapper_set_volume(sc, 128, 128);
2122 	snapper_set_bass(sc, 128);
2123 	snapper_set_treble(sc, 128);
2124 
2125 	/* Record source defaults to microphone.  This reflects the
2126 	 * default value for the ACR (see tas3004_initdata).
2127 	 */
2128 	sc->sc_record_source = 1 << 0;
2129 
2130 	/* We mute the analog input for now */
2131 	sc->mixer[0] = 128;
2132 	sc->mixer[1] = 128;
2133 	sc->mixer[2] = 0;
2134 	sc->mixer[3] = 128;
2135 	sc->mixer[4] = 128;
2136 	sc->mixer[5] = 0;
2137 	snapper_write_mixers(sc);
2138 }
2139