xref: /netbsd-src/sys/arch/macppc/dev/snapper.c (revision 2dd295436a0082eb4f8d294f4aa73c223413d0f2)
1 /*	$NetBSD: snapper.c,v 1.65 2022/06/02 16:22:27 macallan 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 1.65 2022/06/02 16:22:27 macallan 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/audio/audio_if.h>
47 #include <dev/ofw/openfirm.h>
48 #include <macppc/dev/dbdma.h>
49 
50 #include <uvm/uvm_extern.h>
51 #include <dev/i2c/i2cvar.h>
52 #include <dev/onewire/onewirevar.h>
53 
54 #include <machine/autoconf.h>
55 #include <machine/pio.h>
56 
57 #include <macppc/dev/deqvar.h>
58 #include <macppc/dev/obiovar.h>
59 
60 #include "opt_snapper.h"
61 
62 #ifdef SNAPPER_DEBUG
63 # define DPRINTF printf
64 #else
65 # define DPRINTF while (0) printf
66 #endif
67 
68 #define SNAPPER_MAXPAGES	16
69 
70 struct snapper_softc {
71 	device_t sc_dev;
72 	int sc_mode;
73 #define SNAPPER_IS_TAS3004	0 // codec is TAS3004
74 #define SNAPPER_IS_TAS3001	1 // codec is TAS3001
75 #define SNAPPER_IS_PCM3052	2 // codec is PCM3052
76 #define SNAPPER_IS_CS8416	3 // codec is CS8416
77 #define SNAPPER_SWVOL		4 // software codec
78 
79 	int sc_node;
80 
81 	void (*sc_ointr)(void *);	/* dma completion intr handler */
82 	void *sc_oarg;			/* arg for sc_ointr() */
83 	int sc_opages;			/* # of output pages */
84 
85 	void (*sc_iintr)(void *);	/* dma completion intr handler */
86 	void *sc_iarg;			/* arg for sc_iintr() */
87 	int sc_ipages;			/* # of input pages */
88 
89 	u_int sc_record_source;		/* recording source mask */
90 	u_int sc_output_mask;		/* output source mask */
91 
92 	bus_space_tag_t sc_tag;
93 	bus_space_handle_t sc_bsh;
94 	i2c_addr_t sc_deqaddr;
95 	i2c_tag_t sc_i2c;
96 	uint32_t sc_baseaddr;
97 
98 	int sc_rate;                    /* current sampling rate */
99 	int sc_bitspersample;
100 
101 	/* for SNAPPER_SWVOL */
102 	u_int sc_swvol_l;
103 	u_int sc_swvol_r;
104 
105 	u_int sc_vol_l;
106 	u_int sc_vol_r;
107 	u_int sc_treble;
108 	u_int sc_bass;
109 	u_int mixer[6]; /* s1_l, s2_l, an_l, s1_r, s2_r, an_r */
110 	uint16_t sc_rval;
111 
112 	bus_space_handle_t sc_odmah;
113 	bus_space_handle_t sc_idmah;
114 	dbdma_regmap_t *sc_odma;
115 	dbdma_regmap_t *sc_idma;
116 	unsigned char	dbdma_cmdspace[sizeof(struct dbdma_command) * 40 + 15];
117 	struct dbdma_command *sc_odmacmd;
118 	struct dbdma_command *sc_idmacmd;
119 
120 	kmutex_t sc_lock;
121 	kmutex_t sc_intr_lock;
122 
123 	struct onewire_bus	sc_ow_bus;
124 	device_t		sc_ow_dev;
125 	int			sc_ow_data;
126 };
127 
128 static int snapper_match(device_t, struct cfdata *, void *);
129 static void snapper_attach(device_t, device_t, void *);
130 static void snapper_defer(device_t);
131 static int snapper_intr(void *);
132 static int snapper_query_format(void *, audio_format_query_t *);
133 static int snapper_set_format(void *, int,
134     const audio_params_t *, const audio_params_t *,
135     audio_filter_reg_t *, audio_filter_reg_t *);
136 static int snapper_commit_settings(void *);
137 static int snapper_round_blocksize(void *, int, int, const audio_params_t *);
138 static int snapper_halt_output(void *);
139 static int snapper_halt_input(void *);
140 static int snapper_getdev(void *, struct audio_device *);
141 static int snapper_set_port(void *, mixer_ctrl_t *);
142 static int snapper_get_port(void *, mixer_ctrl_t *);
143 static int snapper_query_devinfo(void *, mixer_devinfo_t *);
144 static size_t snapper_round_buffersize(void *, int, size_t);
145 static int snapper_get_props(void *);
146 static int snapper_trigger_output(void *, void *, void *, int, void (*)(void *),
147     void *, const audio_params_t *);
148 static int snapper_trigger_input(void *, void *, void *, int, void (*)(void *),
149     void *, const audio_params_t *);
150 static void snapper_get_locks(void *, kmutex_t **, kmutex_t **);
151 static void snapper_set_volume(struct snapper_softc *, u_int, u_int);
152 static int snapper_set_rate(struct snapper_softc *);
153 static void snapper_set_treble(struct snapper_softc *, u_int);
154 static void snapper_set_bass(struct snapper_softc *, u_int);
155 static void snapper_write_mixers(struct snapper_softc *);
156 
157 static int tas3004_write(struct snapper_softc *, u_int, const void *);
158 static int gpio_read(bus_size_t);
159 static void gpio_write(bus_size_t, int);
160 static void snapper_mute_speaker(struct snapper_softc *, int);
161 static void snapper_mute_headphone(struct snapper_softc *, int);
162 static void snapper_mute_lineout(struct snapper_softc *, int);
163 static int snapper_cint(void *);
164 static int tas3004_init(struct snapper_softc *);
165 static void snapper_init(struct snapper_softc *, int);
166 
167 static void snapper_setup_ow(struct snapper_softc *);
168 static int snapper_ow_reset(void *);
169 static int snapper_ow_read_bit(void *);
170 static void snapper_ow_write_bit(void *, int);
171 
172 static void snapper_bb_rx(void *);
173 static void snapper_bb_tx(void *);
174 static int snapper_bb_get(void *);
175 static void snapper_bb_set(void *, int);
176 
177 static const struct onewire_bbops snapper_bbops = {
178 	snapper_bb_rx,
179 	snapper_bb_tx,
180 	snapper_bb_get,
181 	snapper_bb_set
182 };
183 
184 
185 static void
186 snapper_volume(audio_filter_arg_t *arg)
187 {
188 	struct snapper_softc *sc;
189 	const aint_t *src;
190 	aint_t *dst;
191 	u_int sample_count;
192 	u_int i;
193 
194 	sc = arg->context;
195 	src = arg->src;
196 	dst = arg->dst;
197 	sample_count = arg->count * arg->srcfmt->channels;
198 	for (i = 0; i < sample_count; i++) {
199 		aint2_t l = (aint2_t)(*src++);
200 		l = l * sc->sc_swvol_l / 255;
201 		*dst++ = (aint_t)l;
202 	}
203 }
204 
205 /*
206  * A hardware bug in the TAS3004 I2S transport
207  * produces phase differences between channels
208  * (left channel appears delayed by one sample).
209  * Fix the phase difference by delaying the right channel
210  * by one sample.
211  */
212 static void
213 snapper_fixphase(audio_filter_arg_t *arg)
214 {
215 	struct snapper_softc *sc;
216 	const aint_t *src;
217 	aint_t *dst;
218 	u_int i;
219 
220 	sc = arg->context;
221 	src = arg->src;
222 	dst = arg->dst;
223 	for (i = 0; i < arg->count; i++) {
224 		*dst++ = *src++;
225 		*dst++ = sc->sc_rval;
226 		sc->sc_rval = *src++;
227 	}
228 }
229 
230 CFATTACH_DECL_NEW(snapper, sizeof(struct snapper_softc), snapper_match,
231 	snapper_attach, NULL, NULL);
232 
233 const struct audio_hw_if snapper_hw_if = {
234 	.query_format		= snapper_query_format,
235 	.set_format		= snapper_set_format,
236 	.commit_settings	= snapper_commit_settings,
237 	.round_blocksize	= snapper_round_blocksize,
238 	.halt_output		= snapper_halt_output,
239 	.halt_input		= snapper_halt_input,
240 	.getdev			= snapper_getdev,
241 	.set_port		= snapper_set_port,
242 	.get_port		= snapper_get_port,
243 	.query_devinfo		= snapper_query_devinfo,
244 	.round_buffersize	= snapper_round_buffersize,
245 	.get_props		= snapper_get_props,
246 	.trigger_output		= snapper_trigger_output,
247 	.trigger_input		= snapper_trigger_input,
248 	.get_locks		= snapper_get_locks,
249 };
250 
251 struct audio_device snapper_device = {
252 	"SNAPPER",
253 	"",
254 	"snapper"
255 };
256 
257 #define SNAPPER_BASSTAB_0DB	18
258 const uint8_t snapper_basstab[] = {
259 	0x96,	/* -18dB */
260 	0x94,	/* -17dB */
261 	0x92,	/* -16dB */
262 	0x90,	/* -15dB */
263 	0x8e,	/* -14dB */
264 	0x8c,	/* -13dB */
265 	0x8a,	/* -12dB */
266 	0x88,	/* -11dB */
267 	0x86,	/* -10dB */
268 	0x84,	/* -9dB */
269 	0x82,	/* -8dB */
270 	0x80,	/* -7dB */
271 	0x7e,	/* -6dB */
272 	0x7c,	/* -5dB */
273 	0x7a,	/* -4dB */
274 	0x78,	/* -3dB */
275 	0x76,	/* -2dB */
276 	0x74,	/* -1dB */
277 	0x72,	/* 0dB */
278 	0x6f,	/* 1dB */
279 	0x6d,	/* 2dB */
280 	0x6a,	/* 3dB */
281 	0x67,	/* 4dB */
282 	0x65,	/* 5dB */
283 	0x62,	/* 6dB */
284 	0x5f,	/* 7dB */
285 	0x5b,	/* 8dB */
286 	0x55,	/* 9dB */
287 	0x4f,	/* 10dB */
288 	0x49,	/* 11dB */
289 	0x43,	/* 12dB */
290 	0x3b,	/* 13dB */
291 	0x33,	/* 14dB */
292 	0x29,	/* 15dB */
293 	0x1e,	/* 16dB */
294 	0x11,	/* 17dB */
295 	0x01,	/* 18dB */
296 };
297 
298 #define SNAPPER_MIXER_GAIN_0DB		36
299 const uint8_t snapper_mixer_gain[178][3] = {
300 	{ 0x7f, 0x17, 0xaf }, /* 18.0 dB */
301 	{ 0x77, 0xfb, 0xaa }, /* 17.5 dB */
302 	{ 0x71, 0x45, 0x75 }, /* 17.0 dB */
303 	{ 0x6a, 0xef, 0x5d }, /* 16.5 dB */
304 	{ 0x64, 0xf4, 0x03 }, /* 16.0 dB */
305 	{ 0x5f, 0x4e, 0x52 }, /* 15.5 dB */
306 	{ 0x59, 0xf9, 0x80 }, /* 15.0 dB */
307 	{ 0x54, 0xf1, 0x06 }, /* 14.5 dB */
308 	{ 0x50, 0x30, 0xa1 }, /* 14.0 dB */
309 	{ 0x4b, 0xb4, 0x46 }, /* 13.5 dB */
310 	{ 0x47, 0x78, 0x28 }, /* 13.0 dB */
311 	{ 0x43, 0x78, 0xb0 }, /* 12.5 dB */
312 	{ 0x3f, 0xb2, 0x78 }, /* 12.0 dB */
313 	{ 0x3c, 0x22, 0x4c }, /* 11.5 dB */
314 	{ 0x38, 0xc5, 0x28 }, /* 11.0 dB */
315 	{ 0x35, 0x98, 0x2f }, /* 10.5 dB */
316 	{ 0x32, 0x98, 0xb0 }, /* 10.0 dB */
317 	{ 0x2f, 0xc4, 0x20 }, /* 9.5 dB */
318 	{ 0x2d, 0x18, 0x18 }, /* 9.0 dB */
319 	{ 0x2a, 0x92, 0x54 }, /* 8.5 dB */
320 	{ 0x28, 0x30, 0xaf }, /* 8.0 dB */
321 	{ 0x25, 0xf1, 0x25 }, /* 7.5 dB */
322 	{ 0x23, 0xd1, 0xcd }, /* 7.0 dB */
323 	{ 0x21, 0xd0, 0xd9 }, /* 6.5 dB */
324 	{ 0x1f, 0xec, 0x98 }, /* 6.0 dB */
325 	{ 0x1e, 0x23, 0x6d }, /* 5.5 dB */
326 	{ 0x1c, 0x73, 0xd5 }, /* 5.0 dB */
327 	{ 0x1a, 0xdc, 0x61 }, /* 4.5 dB */
328 	{ 0x19, 0x5b, 0xb8 }, /* 4.0 dB */
329 	{ 0x17, 0xf0, 0x94 }, /* 3.5 dB */
330 	{ 0x16, 0x99, 0xc0 }, /* 3.0 dB */
331 	{ 0x15, 0x56, 0x1a }, /* 2.5 dB */
332 	{ 0x14, 0x24, 0x8e }, /* 2.0 dB */
333 	{ 0x13, 0x04, 0x1a }, /* 1.5 dB */
334 	{ 0x11, 0xf3, 0xc9 }, /* 1.0 dB */
335 	{ 0x10, 0xf2, 0xb4 }, /* 0.5 dB */
336 	{ 0x10, 0x00, 0x00 }, /* 0.0 dB */
337 	{ 0x0f, 0x1a, 0xdf }, /* -0.5 dB */
338 	{ 0x0e, 0x42, 0x90 }, /* -1.0 dB */
339 	{ 0x0d, 0x76, 0x5a }, /* -1.5 dB */
340 	{ 0x0c, 0xb5, 0x91 }, /* -2.0 dB */
341 	{ 0x0b, 0xff, 0x91 }, /* -2.5 dB */
342 	{ 0x0b, 0x53, 0xbe }, /* -3.0 dB */
343 	{ 0x0a, 0xb1, 0x89 }, /* -3.5 dB */
344 	{ 0x0a, 0x18, 0x66 }, /* -4.0 dB */
345 	{ 0x09, 0x87, 0xd5 }, /* -4.5 dB */
346 	{ 0x08, 0xff, 0x59 }, /* -5.0 dB */
347 	{ 0x08, 0x7e, 0x80 }, /* -5.5 dB */
348 	{ 0x08, 0x04, 0xdc }, /* -6.0 dB */
349 	{ 0x07, 0x92, 0x07 }, /* -6.5 dB */
350 	{ 0x07, 0x25, 0x9d }, /* -7.0 dB */
351 	{ 0x06, 0xbf, 0x44 }, /* -7.5 dB */
352 	{ 0x06, 0x5e, 0xa5 }, /* -8.0 dB */
353 	{ 0x06, 0x03, 0x6e }, /* -8.5 dB */
354 	{ 0x05, 0xad, 0x50 }, /* -9.0 dB */
355 	{ 0x05, 0x5c, 0x04 }, /* -9.5 dB */
356 	{ 0x05, 0x0f, 0x44 }, /* -10.0 dB */
357 	{ 0x04, 0xc6, 0xd0 }, /* -10.5 dB */
358 	{ 0x04, 0x82, 0x68 }, /* -11.0 dB */
359 	{ 0x04, 0x41, 0xd5 }, /* -11.5 dB */
360 	{ 0x04, 0x04, 0xde }, /* -12.0 dB */
361 	{ 0x03, 0xcb, 0x50 }, /* -12.5 dB */
362 	{ 0x03, 0x94, 0xfa }, /* -13.0 dB */
363 	{ 0x03, 0x61, 0xaf }, /* -13.5 dB */
364 	{ 0x03, 0x31, 0x42 }, /* -14.0 dB */
365 	{ 0x03, 0x03, 0x8a }, /* -14.5 dB */
366 	{ 0x02, 0xd8, 0x62 }, /* -15.0 dB */
367 	{ 0x02, 0xaf, 0xa3 }, /* -15.5 dB */
368 	{ 0x02, 0x89, 0x2c }, /* -16.0 dB */
369 	{ 0x02, 0x64, 0xdb }, /* -16.5 dB */
370 	{ 0x02, 0x42, 0x93 }, /* -17.0 dB */
371 	{ 0x02, 0x22, 0x35 }, /* -17.5 dB */
372 	{ 0x02, 0x03, 0xa7 }, /* -18.0 dB */
373 	{ 0x01, 0xe6, 0xcf }, /* -18.5 dB */
374 	{ 0x01, 0xcb, 0x94 }, /* -19.0 dB */
375 	{ 0x01, 0xb1, 0xde }, /* -19.5 dB */
376 	{ 0x01, 0x99, 0x99 }, /* -20.0 dB */
377 	{ 0x01, 0x82, 0xaf }, /* -20.5 dB */
378 	{ 0x01, 0x6d, 0x0e }, /* -21.0 dB */
379 	{ 0x01, 0x58, 0xa2 }, /* -21.5 dB */
380 	{ 0x01, 0x45, 0x5b }, /* -22.0 dB */
381 	{ 0x01, 0x33, 0x28 }, /* -22.5 dB */
382 	{ 0x01, 0x21, 0xf9 }, /* -23.0 dB */
383 	{ 0x01, 0x11, 0xc0 }, /* -23.5 dB */
384 	{ 0x01, 0x02, 0x70 }, /* -24.0 dB */
385 	{ 0x00, 0xf3, 0xfb }, /* -24.5 dB */
386 	{ 0x00, 0xe6, 0x55 }, /* -25.0 dB */
387 	{ 0x00, 0xd9, 0x73 }, /* -25.5 dB */
388 	{ 0x00, 0xcd, 0x49 }, /* -26.0 dB */
389 	{ 0x00, 0xc1, 0xcd }, /* -26.5 dB */
390 	{ 0x00, 0xb6, 0xf6 }, /* -27.0 dB */
391 	{ 0x00, 0xac, 0xba }, /* -27.5 dB */
392 	{ 0x00, 0xa3, 0x10 }, /* -28.0 dB */
393 	{ 0x00, 0x99, 0xf1 }, /* -28.5 dB */
394 	{ 0x00, 0x91, 0x54 }, /* -29.0 dB */
395 	{ 0x00, 0x89, 0x33 }, /* -29.5 dB */
396 	{ 0x00, 0x81, 0x86 }, /* -30.0 dB */
397 	{ 0x00, 0x7a, 0x48 }, /* -30.5 dB */
398 	{ 0x00, 0x73, 0x70 }, /* -31.0 dB */
399 	{ 0x00, 0x6c, 0xfb }, /* -31.5 dB */
400 	{ 0x00, 0x66, 0xe3 }, /* -32.0 dB */
401 	{ 0x00, 0x61, 0x21 }, /* -32.5 dB */
402 	{ 0x00, 0x5b, 0xb2 }, /* -33.0 dB */
403 	{ 0x00, 0x56, 0x91 }, /* -33.5 dB */
404 	{ 0x00, 0x51, 0xb9 }, /* -34.0 dB */
405 	{ 0x00, 0x4d, 0x27 }, /* -34.5 dB */
406 	{ 0x00, 0x48, 0xd6 }, /* -35.0 dB */
407 	{ 0x00, 0x44, 0xc3 }, /* -35.5 dB */
408 	{ 0x00, 0x40, 0xea }, /* -36.0 dB */
409 	{ 0x00, 0x3d, 0x49 }, /* -36.5 dB */
410 	{ 0x00, 0x39, 0xdb }, /* -37.0 dB */
411 	{ 0x00, 0x36, 0x9e }, /* -37.5 dB */
412 	{ 0x00, 0x33, 0x90 }, /* -38.0 dB */
413 	{ 0x00, 0x30, 0xae }, /* -38.5 dB */
414 	{ 0x00, 0x2d, 0xf5 }, /* -39.0 dB */
415 	{ 0x00, 0x2b, 0x63 }, /* -39.5 dB */
416 	{ 0x00, 0x28, 0xf5 }, /* -40.0 dB */
417 	{ 0x00, 0x26, 0xab }, /* -40.5 dB */
418 	{ 0x00, 0x24, 0x81 }, /* -41.0 dB */
419 	{ 0x00, 0x22, 0x76 }, /* -41.5 dB */
420 	{ 0x00, 0x20, 0x89 }, /* -42.0 dB */
421 	{ 0x00, 0x1e, 0xb7 }, /* -42.5 dB */
422 	{ 0x00, 0x1c, 0xff }, /* -43.0 dB */
423 	{ 0x00, 0x1b, 0x60 }, /* -43.5 dB */
424 	{ 0x00, 0x19, 0xd8 }, /* -44.0 dB */
425 	{ 0x00, 0x18, 0x65 }, /* -44.5 dB */
426 	{ 0x00, 0x17, 0x08 }, /* -45.0 dB */
427 	{ 0x00, 0x15, 0xbe }, /* -45.5 dB */
428 	{ 0x00, 0x14, 0x87 }, /* -46.0 dB */
429 	{ 0x00, 0x13, 0x61 }, /* -46.5 dB */
430 	{ 0x00, 0x12, 0x4b }, /* -47.0 dB */
431 	{ 0x00, 0x11, 0x45 }, /* -47.5 dB */
432 	{ 0x00, 0x10, 0x4e }, /* -48.0 dB */
433 	{ 0x00, 0x0f, 0x64 }, /* -48.5 dB */
434 	{ 0x00, 0x0e, 0x88 }, /* -49.0 dB */
435 	{ 0x00, 0x0d, 0xb8 }, /* -49.5 dB */
436 	{ 0x00, 0x0c, 0xf3 }, /* -50.0 dB */
437 	{ 0x00, 0x0c, 0x3a }, /* -50.5 dB */
438 	{ 0x00, 0x0b, 0x8b }, /* -51.0 dB */
439 	{ 0x00, 0x0a, 0xe5 }, /* -51.5 dB */
440 	{ 0x00, 0x0a, 0x49 }, /* -52.0 dB */
441 	{ 0x00, 0x09, 0xb6 }, /* -52.5 dB */
442 	{ 0x00, 0x09, 0x2b }, /* -53.0 dB */
443 	{ 0x00, 0x08, 0xa8 }, /* -53.5 dB */
444 	{ 0x00, 0x08, 0x2c }, /* -54.0 dB */
445 	{ 0x00, 0x07, 0xb7 }, /* -54.5 dB */
446 	{ 0x00, 0x07, 0x48 }, /* -55.0 dB */
447 	{ 0x00, 0x06, 0xe0 }, /* -55.5 dB */
448 	{ 0x00, 0x06, 0x7d }, /* -56.0 dB */
449 	{ 0x00, 0x06, 0x20 }, /* -56.5 dB */
450 	{ 0x00, 0x05, 0xc9 }, /* -57.0 dB */
451 	{ 0x00, 0x05, 0x76 }, /* -57.5 dB */
452 	{ 0x00, 0x05, 0x28 }, /* -58.0 dB */
453 	{ 0x00, 0x04, 0xde }, /* -58.5 dB */
454 	{ 0x00, 0x04, 0x98 }, /* -59.0 dB */
455 	{ 0x00, 0x04, 0x56 }, /* -59.5 dB */
456 	{ 0x00, 0x04, 0x18 }, /* -60.0 dB */
457 	{ 0x00, 0x03, 0xdd }, /* -60.5 dB */
458 	{ 0x00, 0x03, 0xa6 }, /* -61.0 dB */
459 	{ 0x00, 0x03, 0x72 }, /* -61.5 dB */
460 	{ 0x00, 0x03, 0x40 }, /* -62.0 dB */
461 	{ 0x00, 0x03, 0x12 }, /* -62.5 dB */
462 	{ 0x00, 0x02, 0xe6 }, /* -63.0 dB */
463 	{ 0x00, 0x02, 0xbc }, /* -63.5 dB */
464 	{ 0x00, 0x02, 0x95 }, /* -64.0 dB */
465 	{ 0x00, 0x02, 0x70 }, /* -64.5 dB */
466 	{ 0x00, 0x02, 0x4d }, /* -65.0 dB */
467 	{ 0x00, 0x02, 0x2c }, /* -65.5 dB */
468 	{ 0x00, 0x02, 0x0d }, /* -66.0 dB */
469 	{ 0x00, 0x01, 0xf0 }, /* -66.5 dB */
470 	{ 0x00, 0x01, 0xd4 }, /* -67.0 dB */
471 	{ 0x00, 0x01, 0xba }, /* -67.5 dB */
472 	{ 0x00, 0x01, 0xa1 }, /* -68.0 dB */
473 	{ 0x00, 0x01, 0x8a }, /* -68.5 dB */
474 	{ 0x00, 0x01, 0x74 }, /* -69.0 dB */
475 	{ 0x00, 0x01, 0x5f }, /* -69.5 dB */
476 	{ 0x00, 0x01, 0x4b }, /* -70.0 dB */
477 	{ 0x00, 0x00, 0x00 }  /* Mute */
478 };
479 
480 /* The HW actually supports precisions more than 16bit, but 16bit is enough. */
481 static const struct audio_format snapper_formats[] = {
482 	{
483 		.mode		= AUMODE_PLAY | AUMODE_RECORD,
484 		.encoding	= AUDIO_ENCODING_SLINEAR_BE,
485 		.validbits	= 16,
486 		.precision	= 16,
487 		.channels	= 2,
488 		.channel_mask	= AUFMT_STEREO,
489 		.frequency_type	= 3,
490 		.frequency	= { 32000, 44100, 48000 },
491 	}
492 };
493 #define SNAPPER_NFORMATS	__arraycount(snapper_formats)
494 
495 static const struct audio_format tumbler_formats[] = {
496 	{
497 		.mode		= AUMODE_PLAY | AUMODE_RECORD,
498 		.encoding	= AUDIO_ENCODING_SLINEAR_BE,
499 		.validbits	= 16,
500 		.precision	= 16,
501 		.channels	= 2,
502 		.channel_mask	= AUFMT_STEREO,
503 		.frequency_type	= 4,
504 		.frequency	= { 32000, 44100, 48000, 96000 },
505 	},
506 };
507 #define TUMBLER_NFORMATS	__arraycount(tumbler_formats)
508 
509 /* OF hands us the codec in 16bit mode, run with it for now */
510 static const struct audio_format onyx_formats[] = {
511 	{
512 		.mode		= AUMODE_PLAY | AUMODE_RECORD,
513 		.encoding	= AUDIO_ENCODING_SLINEAR_BE,
514 		.validbits	= 16,
515 		.precision	= 16,
516 		.channels	= 2,
517 		.channel_mask	= AUFMT_STEREO,
518 		.frequency_type	= 3,
519 		.frequency	= { 44100, 48000, 96000 },
520 	},
521 };
522 #define ONYX_NFORMATS	__arraycount(onyx_formats)
523 
524 static bus_size_t amp_mute;
525 static bus_size_t headphone_mute = 0;
526 static bus_size_t audio_hw_reset;
527 static bus_size_t headphone_detect = 0;
528 static bus_size_t lineout_detect = 0;
529 static bus_size_t lineout_mute= 0;
530 static bus_size_t owaddr = -1;
531 static uint8_t headphone_detect_active = 0;
532 static uint8_t lineout_detect_active = 0;
533 
534 
535 /* I2S registers */
536 #define I2S_INT		0x00
537 #define I2S_FORMAT	0x10
538 #define I2S_FRAMECOUNT	0x40
539 #define I2S_FRAMEMATCH	0x50
540 #define I2S_WORDSIZE	0x60
541 
542 /* I2S_INT register definitions */
543 #define I2S_INT_CLKSTOPPEND 0x01000000  /* clock-stop interrupt pending */
544 
545 /* I2S_WORDSIZE register definitions */
546 #define INPUT_STEREO            (2 << 24)
547 #define INPUT_MONO              (1 << 24)
548 #define INPUT_16BIT             (0 << 16)
549 #define INPUT_24BIT             (3 << 16)
550 #define OUTPUT_STEREO           (2 << 8)
551 #define OUTPUT_MONO             (1 << 8)
552 #define OUTPUT_16BIT            (0 << 0)
553 #define OUTPUT_24BIT            (3 << 0)
554 
555 /* FCR(0x3c) bits */
556 #define KEYLARGO_FCR1   0x3c
557 #define  I2S0CLKEN      0x1000
558 #define  I2S0EN         0x2000
559 #define  I2S1CLKEN      0x080000
560 #define  I2S1EN         0x100000
561 #define FCR3C_BITMASK "\020\25I2S1EN\24I2S1CLKEN\16I2S0EN\15I2S0CLKEN"
562 
563 /* TAS3004/TAS3001 registers */
564 #define DEQ_MCR1	0x01	/* Main control register 1 (1byte) */
565 #define DEQ_DRC		0x02	/* Dynamic range compression (6bytes?)
566                             	   2 bytes (reserved) on the TAS 3001 */
567 #define DEQ_VOLUME	0x04	/* Volume (6bytes) */
568 #define DEQ_TREBLE	0x05	/* Treble control (1byte) */
569 #define DEQ_BASS	0x06	/* Bass control (1byte) */
570 #define DEQ_MIXER_L	0x07	/* Mixer left gain (9bytes; 3 on TAS3001) */
571 #define DEQ_MIXER_R	0x08	/* Mixer right gain (9bytes; 3 on TAS3001) */
572 #define DEQ_LB0		0x0a	/* Left biquad 0 (15bytes) */
573 #define DEQ_LB1		0x0b	/* Left biquad 1 (15bytes) */
574 #define DEQ_LB2		0x0c	/* Left biquad 2 (15bytes) */
575 #define DEQ_LB3		0x0d	/* Left biquad 3 (15bytes) */
576 #define DEQ_LB4		0x0e	/* Left biquad 4 (15bytes) */
577 #define DEQ_LB5		0x0f	/* Left biquad 5 (15bytes) */
578 #define DEQ_LB6		0x10	/* Left biquad 6 (15bytes) */
579 #define DEQ_RB0		0x13	/* Right biquad 0 (15bytes) */
580 #define DEQ_RB1		0x14	/* Right biquad 1 (15bytes) */
581 #define DEQ_RB2		0x15	/* Right biquad 2 (15bytes) */
582 #define DEQ_RB3		0x16	/* Right biquad 3 (15bytes) */
583 #define DEQ_RB4		0x17	/* Right biquad 4 (15bytes) */
584 #define DEQ_RB5		0x18	/* Right biquad 5 (15bytes) */
585 #define DEQ_RB6		0x19	/* Right biquad 6 (15bytes) */
586 #define DEQ_LLB		0x21	/* Left loudness biquad (15bytes) */
587 #define DEQ_RLB		0x22	/* Right loudness biquad (15bytes) */
588 #define DEQ_LLB_GAIN	0x23	/* Left loudness biquad gain (3bytes) */
589 #define DEQ_RLB_GAIN	0x24	/* Right loudness biquad gain (3bytes) */
590 #define DEQ_ACR		0x40	/* [TAS3004] Analog control register (1byte) */
591 #define DEQ_MCR2	0x43	/* [TAS3004] Main control register 2 (1byte) */
592 #define DEQ_MCR1_FL	0x80	/* Fast load */
593 #define DEQ_MCR1_SC	0x40	/* SCLK frequency */
594 #define  DEQ_MCR1_SC_32	0x00	/*  32fs */
595 #define  DEQ_MCR1_SC_64	0x40	/*  64fs */
596 #define DEQ_MCR1_SM	0x30	/* Output serial port mode */
597 #define  DEQ_MCR1_SM_L	0x00	/*  Left justified */
598 #define  DEQ_MCR1_SM_R	0x10	/*  Right justified */
599 #define  DEQ_MCR1_SM_I2S 0x20	/*  I2S */
600 #define DEQ_MCR1_ISM	0x0c	/* [TAS3001] Input serial port mode */
601 #define  DEQ_MCR1_ISM_L	0x00	/*           Left justified */
602 #define  DEQ_MCR1_ISM_R	0x04	/*           Right justified */
603 #define  DEQ_MCR1_ISM_I2S 0x08	/*           I2S */
604 #define DEQ_MCR1_W	0x03	/* Serial port word length */
605 #define  DEQ_MCR1_W_16	0x00	/*  16 bit */
606 #define  DEQ_MCR1_W_18	0x01	/*  18 bit */
607 #define  DEQ_MCR1_W_20	0x02	/*  20 bit */
608 #define  DEQ_MCR1_W_24	0x03	/*  24 bit */
609 
610 #define DEQ_MCR2_DL	0x80	/* Download */
611 #define DEQ_MCR2_AP	0x02	/* All pass mode */
612 
613 #define DEQ_ACR_ADM	0x80	/* ADC output mode */
614 #define DEQ_ACR_LRB	0x40	/* Select B input */
615 #define DEQ_ACR_DM	0x0c	/* De-emphasis control */
616 #define  DEQ_ACR_DM_OFF	0x00	/*  off */
617 #define  DEQ_ACR_DM_48	0x04	/*  fs = 48kHz */
618 #define  DEQ_ACR_DM_44	0x08	/*  fs = 44.1kHz */
619 #define DEQ_ACR_INP	0x02	/* Analog input select */
620 #define  DEQ_ACR_INP_A	0x00	/*  A */
621 #define  DEQ_ACR_INP_B	0x02	/*  B */
622 #define DEQ_ACR_APD	0x01	/* Analog power down */
623 
624 struct tas3004_reg {
625 	u_char MCR1[1];
626 	u_char DRC[6];
627 	u_char VOLUME[6];
628 	u_char TREBLE[1];
629 	u_char BASS[1];
630 	u_char MIXER_L[9];
631 	u_char MIXER_R[9];
632 	u_char LB0[15];
633 	u_char LB1[15];
634 	u_char LB2[15];
635 	u_char LB3[15];
636 	u_char LB4[15];
637 	u_char LB5[15];
638 	u_char LB6[15];
639 	u_char RB0[15];
640 	u_char RB1[15];
641 	u_char RB2[15];
642 	u_char RB3[15];
643 	u_char RB4[15];
644 	u_char RB5[15];
645 	u_char RB6[15];
646 	u_char LLB[15];
647 	u_char RLB[15];
648 	u_char LLB_GAIN[3];
649 	u_char RLB_GAIN[3];
650 	u_char ACR[1];
651 	u_char MCR2[1];
652 };
653 
654 #define GPIO_OUTSEL	0xf0	/* Output select */
655 		/*	0x00	GPIO bit0 is output
656 			0x10	media-bay power
657 			0x20	reserved
658 			0x30	MPIC */
659 
660 #define GPIO_ALTOE	0x08	/* Alternate output enable */
661 		/*	0x00	Use DDR
662 			0x08	Use output select */
663 
664 #define GPIO_DDR	0x04	/* Data direction */
665 #define GPIO_DDR_OUTPUT	0x04	/* Output */
666 #define GPIO_DDR_INPUT	0x00	/* Input */
667 
668 #define GPIO_LEVEL	0x02	/* Pin level (RO) */
669 
670 #define	GPIO_DATA	0x01	/* Data */
671 
672 static int
673 snapper_match(device_t parent, struct cfdata *match, void *aux)
674 {
675 	struct confargs *ca;
676 	int soundbus, soundchip, soundcodec;
677 	char compat[32];
678 
679 	ca = aux;
680 	if (strcmp(ca->ca_name, "i2s") != 0)
681 		return 0;
682 
683 	if ((soundbus = OF_child(ca->ca_node)) == 0 ||
684 	    (soundchip = OF_child(soundbus)) == 0)
685 		return 0;
686 
687 	memset(compat, 0, sizeof compat);
688 	OF_getprop(soundchip, "compatible", compat, sizeof compat);
689 
690 	if (strcmp(compat, "snapper") == 0)
691 		return 1;
692 
693 	if (strcmp(compat, "tumbler") == 0)
694 		return 1;
695 
696 	if (strcmp(compat, "AOAKeylargo") == 0)
697 		return 1;
698 
699 	if (strcmp(compat, "AOAK2") == 0)
700 		return 1;
701 
702 	if (strcmp(compat, "AOAShasta") == 0)
703 		return 1;
704 
705 	if (strcmp(compat, "AOAbase") == 0)
706 		return 1;
707 
708 	if (OF_getprop(soundchip, "platform-tas-codec-ref",
709 	    &soundcodec, sizeof soundcodec) == sizeof soundcodec)
710 		return 1;
711 
712 	return 0;
713 }
714 
715 static void
716 snapper_attach(device_t parent, device_t self, void *aux)
717 {
718 	struct snapper_softc *sc;
719 	struct confargs *ca;
720 	int cirq, oirq, iirq, /*cirq_type,*/ oirq_type, iirq_type, soundbus;
721 	uint32_t intr[6], reg[6];
722 	char compat[32], intr_xname[INTRDEVNAMEBUF];
723 
724 	sc = device_private(self);
725 	sc->sc_dev = self;
726 
727 	ca = aux;
728 
729 	soundbus = OF_child(ca->ca_node);
730 	memset(compat, 0, sizeof compat);
731 	OF_getprop(OF_child(soundbus), "compatible", compat, sizeof compat);
732 
733 	sc->sc_mode = SNAPPER_IS_TAS3004;
734 
735 	if (strcmp(compat, "tumbler") == 0)
736 		sc->sc_mode = SNAPPER_IS_TAS3001;
737 	sc->sc_swvol_l = 255;
738 	sc->sc_swvol_r = 255;
739 	sc->sc_vol_l = 128;
740 	sc->sc_vol_r = 128;
741 	sc->sc_rval = 0;
742 
743 	sc->sc_odmacmd = dbdma_alloc((SNAPPER_MAXPAGES + 4) *
744 				     sizeof(struct dbdma_command), NULL);
745 	sc->sc_idmacmd = dbdma_alloc((SNAPPER_MAXPAGES + 4) *
746 				     sizeof(struct dbdma_command), NULL);
747 
748 	sc->sc_baseaddr = ca->ca_baseaddr;
749 
750 	OF_getprop(soundbus, "reg", reg, sizeof reg);
751 	/* deal with messed up properties on PowerMac7,3 and friends */
752 	if (reg[0] == 0) {
753 		reg[0] += ca->ca_reg[0];
754 		reg[2] += ca->ca_reg[2];
755 		reg[4] += ca->ca_reg[2];
756 	}
757 	reg[0] += ca->ca_baseaddr;
758 	reg[2] += ca->ca_baseaddr;
759 	reg[4] += ca->ca_baseaddr;
760 
761 	sc->sc_node = ca->ca_node;
762 	sc->sc_tag = ca->ca_tag;
763 
764 #ifdef SNAPPER_DEBUG
765 	{
766 		int i;
767 		printf("\n");
768 		for (i = 0; i < 6; i++) {
769 			printf(" %08x", reg[i]);
770 		}
771 		printf("\n");
772 	}
773 #endif
774 
775 	bus_space_map(sc->sc_tag, reg[0], reg[1], 0, &sc->sc_bsh);
776 	obio_space_map(reg[2], reg[3], &sc->sc_odmah);
777 	obio_space_map(reg[4], reg[5], &sc->sc_idmah);
778 
779 	sc->sc_odma = bus_space_vaddr(sc->sc_tag, sc->sc_odmah);
780 	sc->sc_idma = bus_space_vaddr(sc->sc_tag, sc->sc_idmah);
781 
782 	DPRINTF("reg %08x odma %08x\n", (uint32_t)sc->sc_bsh, (uint32_t)sc->sc_odmah);
783 
784 	OF_getprop(soundbus, "interrupts", intr, sizeof intr);
785 	cirq = intr[0];
786 	oirq = intr[2];
787 	iirq = intr[4];
788 	/* cirq_type = intr[1] ? IST_LEVEL : IST_EDGE; */
789 	oirq_type = (intr[3] & 1) ? IST_LEVEL : IST_EDGE;
790 	iirq_type = (intr[5] & 1) ? IST_LEVEL : IST_EDGE;
791 
792 	/* intr_establish(cirq, cirq_type, IPL_AUDIO, snapper_intr, sc); */
793 
794 	snprintf(intr_xname, sizeof(intr_xname), "%s out", device_xname(self));
795 	intr_establish_xname(oirq, oirq_type, IPL_AUDIO, snapper_intr, sc,
796 	    intr_xname);
797 
798 	snprintf(intr_xname, sizeof(intr_xname), "%s in", device_xname(self));
799 	intr_establish_xname(iirq, iirq_type, IPL_AUDIO, snapper_intr, sc,
800 	    intr_xname);
801 
802 	aprint_normal(": irq %d,%d,%d\n", cirq, oirq, iirq);
803 
804 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
805 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
806 
807 	/* PMF event handler */
808 	pmf_device_register(sc->sc_dev, NULL, NULL);
809 
810 	config_defer(self, snapper_defer);
811 }
812 
813 static void
814 snapper_defer(device_t dev)
815 {
816 	struct snapper_softc *sc;
817 	device_t dv;
818 	deviter_t di;
819 	struct deq_softc *deq;
820 	char prop[64], next[64], codec[64], *cref;
821 	int codec_node, soundbus, sound, ok, deqnode = 0;
822 
823 	sc = device_private(dev);
824 
825 	/* look for platform-*-codec-ref node */
826 
827 	/*
828 	 * XXX
829 	 * there can be more than one i2sbus, the one we want just so happens
830 	 * to be the first we see
831 	 */
832 	soundbus = OF_child(sc->sc_node);
833 	sound = OF_child(soundbus);
834 	ok = OF_nextprop(sound, NULL, next);
835 	codec_node = 0;
836 	while (ok && (codec_node == 0)) {
837 		DPRINTF("prop %d %s\n", ok, next);
838 		strncpy(prop, next, 64);
839 		if ((cref = strstr(next, "-codec-ref")) != NULL) {
840 			OF_getprop(sound, next, &codec_node, 4);
841 			if (codec_node != 0) {
842 				OF_getprop(codec_node, "compatible", codec, 64);
843 				DPRINTF("%08x %s\n", codec_node, codec);
844 			}
845 		}
846 		ok = OF_nextprop(sound, prop, next);
847 	}
848 
849 	for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST);
850 	     dv != NULL;
851 	     dv = deviter_next(&di)) {
852 		if (device_is_a(dv, "deq")) {
853 			deq = device_private(dv);
854 			if (codec_node != 0) {
855 				if (codec_node != deq->sc_node)
856 					continue;
857 			}
858 			sc->sc_i2c = deq->sc_i2c;
859 			sc->sc_deqaddr = deq->sc_address;
860 			deqnode = deq->sc_node;
861 		}
862 	}
863 	deviter_release(&di);
864 
865 	DPRINTF("deqnode: %08x\n", deqnode);
866 
867 	/* If we don't find a codec, it's not the end of the world;
868 	 * we can control the volume in software in this case.
869 	 */
870 	if (sc->sc_i2c == NULL) {
871 		sc->sc_mode = SNAPPER_SWVOL;
872 	} else if (deqnode != 0) {
873 		int ret;
874 		codec[0] = 0;
875 		ret = OF_getprop(deqnode, "compatible", codec, 64);
876 
877 		DPRINTF("codec <%s> %d\n", codec, ret);
878 
879 		if (codec[0] == 0) {
880 			if (sc->sc_deqaddr == 0x34) {
881 				sc->sc_mode = SNAPPER_IS_TAS3001;
882 			} else {
883 				int root = OF_finddevice("/");
884 				char model[32];
885 				sc->sc_mode = SNAPPER_IS_TAS3004;
886 				if (OF_getprop(root, "model", model, 32) > 0) {
887 					printf("model %s\n", model);
888 					if (strcmp(model, "PowerMac8,1") == 0) {
889 						sc->sc_mode = SNAPPER_IS_PCM3052;
890 					}
891 				}
892 			}
893 		} else if (strcmp(codec, "tas3004") == 0) {
894 			sc->sc_mode = SNAPPER_IS_TAS3004;
895 		} else if (strcmp(codec, "pcm3052") == 0) {
896 			sc->sc_mode = SNAPPER_IS_PCM3052;
897 		} else if (strcmp(codec, "cs8416") == 0) {
898 			sc->sc_mode = SNAPPER_IS_CS8416;
899 		}
900 	}
901 	DPRINTF("mode %d\n", sc->sc_mode);
902 	switch (sc->sc_mode) {
903 	case SNAPPER_SWVOL:
904 		aprint_verbose("%s: software codec\n", device_xname(dev));
905 		break;
906 	case SNAPPER_IS_TAS3001:
907 		aprint_verbose("%s: codec: TAS3001\n", device_xname(dev));
908 		break;
909 	case SNAPPER_IS_TAS3004:
910 		aprint_verbose("%s: codec: TAS3004\n", device_xname(dev));
911 		break;
912 	case SNAPPER_IS_PCM3052:
913 		aprint_verbose("%s: codec: PCM3052 / ONYX\n", device_xname(dev));
914 		break;
915 	default:
916 		aprint_error_dev(sc->sc_dev, "unsupported codec\n");
917 		sc->sc_mode = SNAPPER_SWVOL;
918 	}
919 
920 	snapper_init(sc, sc->sc_node);
921 
922 	audio_attach_mi(&snapper_hw_if, sc, sc->sc_dev);
923 }
924 
925 static int
926 snapper_intr(void *v)
927 {
928 	struct snapper_softc *sc;
929 	struct dbdma_command *cmd;
930 	int count;
931 	int status;
932 
933 	sc = v;
934 	mutex_spin_enter(&sc->sc_intr_lock);
935 	cmd = sc->sc_odmacmd;
936 	count = sc->sc_opages;
937 	/* Fill used buffer(s). */
938 	while (count-- > 0) {
939 		if ((in16rb(&cmd->d_command) & 0x30) == 0x30) {
940 			status = in16rb(&cmd->d_status);
941 			cmd->d_status = 0;
942 			if (status)	/* status == 0x8400 */
943 				if (sc->sc_ointr)
944 					(*sc->sc_ointr)(sc->sc_oarg);
945 		}
946 		cmd++;
947 	}
948 
949 	cmd = sc->sc_idmacmd;
950 	count = sc->sc_ipages;
951 	while (count-- > 0) {
952 		if ((in16rb(&cmd->d_command) & 0x30) == 0x30) {
953 			status = in16rb(&cmd->d_status);
954 			cmd->d_status = 0;
955 			if (status)	/* status == 0x8400 */
956 				if (sc->sc_iintr)
957 					(*sc->sc_iintr)(sc->sc_iarg);
958 		}
959 		cmd++;
960 	}
961 	mutex_spin_exit(&sc->sc_intr_lock);
962 
963 	return 1;
964 }
965 
966 
967 static int
968 snapper_query_format(void *h, audio_format_query_t *afp)
969 {
970 	struct snapper_softc *sc = h;
971 
972 	switch (sc->sc_mode) {
973 		case SNAPPER_IS_TAS3001:
974 			return audio_query_format(tumbler_formats,
975 			    TUMBLER_NFORMATS, afp);
976 		case SNAPPER_SWVOL:
977 		case SNAPPER_IS_TAS3004:
978 			return audio_query_format(snapper_formats,
979 			    SNAPPER_NFORMATS, afp);
980 		case SNAPPER_IS_PCM3052:
981 			return audio_query_format(onyx_formats,
982 			    ONYX_NFORMATS, afp);
983 	}
984 	return -1;
985 }
986 
987 static int
988 snapper_set_format(void *h, int setmode,
989 		   const audio_params_t *play, const audio_params_t *rec,
990 		   audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
991 {
992 	struct snapper_softc *sc;
993 
994 	sc = h;
995 
996 	/* *play and *rec are the identical because !AUDIO_PROP_INDEPENDENT. */
997 
998 	if (sc->sc_mode == SNAPPER_SWVOL) {
999 		pfil->codec = snapper_volume;
1000 		pfil->context = sc;
1001 		rfil->codec = snapper_volume;
1002 		rfil->context = sc;
1003 	} else if (sc->sc_mode == 0 && play->channels == 2) {
1004 		/* Fix phase problems on TAS3004.  */
1005 		pfil->codec = snapper_fixphase;
1006 		pfil->context = sc;
1007 		rfil->codec = snapper_fixphase;
1008 		rfil->context = sc;
1009 	}
1010 
1011 	/* Set the speed. */
1012 	sc->sc_rate = play->sample_rate;
1013 	sc->sc_bitspersample = play->precision;
1014 	return 0;
1015 }
1016 
1017 static int
1018 snapper_commit_settings(void *h)
1019 {
1020 	struct snapper_softc *sc;
1021 
1022 	DPRINTF("commit_settings\n");
1023 	sc = h;
1024 
1025 	return snapper_set_rate(sc);
1026 }
1027 
1028 static int
1029 snapper_round_blocksize(void *h, int size, int mode,
1030 			const audio_params_t *param)
1031 {
1032 
1033 	if (size < (3 * NBPG))
1034 		size = (3 * NBPG);
1035 	return size & ~PGOFSET;
1036 }
1037 
1038 static int
1039 snapper_halt_output(void *h)
1040 {
1041 	struct snapper_softc *sc;
1042 
1043 	sc = h;
1044 	dbdma_stop(sc->sc_odma);
1045 	dbdma_reset(sc->sc_odma);
1046 	sc->sc_ointr = NULL;
1047 	sc->sc_rval = 0;
1048 	return 0;
1049 }
1050 
1051 static int
1052 snapper_halt_input(void *h)
1053 {
1054 	struct snapper_softc *sc;
1055 
1056 	sc = h;
1057 	dbdma_stop(sc->sc_idma);
1058 	dbdma_reset(sc->sc_idma);
1059 	sc->sc_iintr = NULL;
1060 	sc->sc_rval = 0;
1061 	return 0;
1062 }
1063 
1064 static int
1065 snapper_getdev(void *h, struct audio_device *retp)
1066 {
1067 
1068 	*retp = snapper_device;
1069 	return 0;
1070 }
1071 
1072 enum {
1073 	SNAPPER_MONITOR_CLASS,
1074 	SNAPPER_OUTPUT_CLASS,
1075 	SNAPPER_RECORD_CLASS,
1076 	SNAPPER_OUTPUT_SELECT,
1077 	SNAPPER_VOL_OUTPUT,
1078 	SNAPPER_DIGI1,
1079 	SNAPPER_DIGI2,
1080 	SNAPPER_VOL_INPUT,
1081 	SNAPPER_TREBLE,
1082 	SNAPPER_BASS,
1083 	/* From this point, unsupported by the TAS 3001 */
1084 	SNAPPER_ANALOG,
1085 	SNAPPER_INPUT_SELECT,
1086 	SNAPPER_ENUM_LAST
1087 };
1088 
1089 static int
1090 snapper_set_port(void *h, mixer_ctrl_t *mc)
1091 {
1092 	struct snapper_softc *sc;
1093 	int l, r;
1094 	u_char data;
1095 
1096 	DPRINTF("snapper_set_port dev = %d, type = %d\n", mc->dev, mc->type);
1097 	sc = h;
1098 	l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1099 	r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1100 
1101 	switch (mc->dev) {
1102 	case SNAPPER_OUTPUT_SELECT:
1103 		/* No change necessary? */
1104 		if (mc->un.mask == sc->sc_output_mask)
1105 			return 0;
1106 
1107 		snapper_mute_speaker(sc, 1);
1108 		snapper_mute_headphone(sc, 1);
1109 		snapper_mute_lineout(sc, 1);
1110 		if (mc->un.mask & 1 << 0)
1111 			snapper_mute_speaker(sc, 0);
1112 		if (mc->un.mask & 1 << 1)
1113 			snapper_mute_headphone(sc, 0);
1114 		if (mc->un.mask & 1 << 2)
1115 			snapper_mute_lineout(sc, 0);
1116 
1117 		sc->sc_output_mask = mc->un.mask;
1118 		return 0;
1119 
1120 	case SNAPPER_VOL_OUTPUT:
1121 		snapper_set_volume(sc, l, r);
1122 		return 0;
1123 
1124 	case SNAPPER_INPUT_SELECT:
1125 		if (sc->sc_mode != 0)
1126 			return ENXIO;
1127 
1128 		/* no change necessary? */
1129 		if (mc->un.mask == sc->sc_record_source)
1130 			return 0;
1131 		switch (mc->un.mask) {
1132 		case 1 << 0: /* microphone */
1133 			/* Select right channel of B input */
1134 			data = DEQ_ACR_ADM | DEQ_ACR_LRB | DEQ_ACR_INP_B;
1135 			tas3004_write(sc, DEQ_ACR, &data);
1136 			break;
1137 		case 1 << 1: /* line in */
1138 			/* Select both channels of A input */
1139 			data = 0;
1140 			tas3004_write(sc, DEQ_ACR, &data);
1141 			break;
1142 		default: /* invalid argument */
1143 			return EINVAL;
1144 		}
1145 		sc->sc_record_source = mc->un.mask;
1146 		return 0;
1147 
1148 	case SNAPPER_VOL_INPUT:
1149 		/* XXX TO BE DONE */
1150 		return 0;
1151 
1152 	case SNAPPER_BASS:
1153 		if (sc->sc_mode == SNAPPER_SWVOL)
1154 			return ENXIO;
1155 		snapper_set_bass(sc, l);
1156 		return 0;
1157 	case SNAPPER_TREBLE:
1158 		if (sc->sc_mode == SNAPPER_SWVOL)
1159 			return ENXIO;
1160 		snapper_set_treble(sc, l);
1161 		return 0;
1162 	case SNAPPER_DIGI1:
1163 		if (sc->sc_mode == SNAPPER_SWVOL)
1164 			return ENXIO;
1165 
1166 		sc->mixer[0] = l;
1167 		sc->mixer[3] = r;
1168 		snapper_write_mixers(sc);
1169 		return 0;
1170 	case SNAPPER_DIGI2:
1171 		if (sc->sc_mode == SNAPPER_SWVOL)
1172 			return ENXIO;
1173 
1174 		if (sc->sc_mode == SNAPPER_IS_TAS3001)
1175 			sc->mixer[3] = l;
1176 		else {
1177 			sc->mixer[1] = l;
1178 			sc->mixer[4] = r;
1179 		}
1180 		snapper_write_mixers(sc);
1181 		return 0;
1182 	case SNAPPER_ANALOG:
1183 		if (sc->sc_mode != 0)
1184 			return ENXIO;
1185 
1186 		sc->mixer[2] = l;
1187 		sc->mixer[5] = r;
1188 		snapper_write_mixers(sc);
1189 		return 0;
1190 	}
1191 	return ENXIO;
1192 }
1193 
1194 static int
1195 snapper_get_port(void *h, mixer_ctrl_t *mc)
1196 {
1197 	struct snapper_softc *sc;
1198 
1199 	DPRINTF("snapper_get_port dev = %d, type = %d\n", mc->dev, mc->type);
1200 	sc = h;
1201 	switch (mc->dev) {
1202 	case SNAPPER_OUTPUT_SELECT:
1203 		mc->un.mask = sc->sc_output_mask;
1204 		return 0;
1205 
1206 	case SNAPPER_VOL_OUTPUT:
1207 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->sc_vol_l;
1208 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->sc_vol_r;
1209 		return 0;
1210 
1211 	case SNAPPER_INPUT_SELECT:
1212 		if (sc->sc_mode != 0)
1213 			return ENXIO;
1214 
1215 		mc->un.mask = sc->sc_record_source;
1216 		return 0;
1217 
1218 	case SNAPPER_VOL_INPUT:
1219 		/* XXX TO BE DONE */
1220 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 0;
1221 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 0;
1222 		return 0;
1223 
1224 	case SNAPPER_TREBLE:
1225 		if (sc->sc_mode == SNAPPER_SWVOL)
1226 			return ENXIO;
1227 		mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble;
1228 		return 0;
1229 	case SNAPPER_BASS:
1230 		if (sc->sc_mode == SNAPPER_SWVOL)
1231 			return ENXIO;
1232 		mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass;
1233 		return 0;
1234 
1235 	case SNAPPER_DIGI1:
1236 		if (sc->sc_mode == SNAPPER_SWVOL)
1237 			return ENXIO;
1238 
1239 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->mixer[0];
1240 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->mixer[3];
1241 		return 0;
1242 	case SNAPPER_DIGI2:
1243 		if (sc->sc_mode == SNAPPER_SWVOL)
1244 			return ENXIO;
1245 
1246 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->mixer[1];
1247 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->mixer[4];
1248 		return 0;
1249 	case SNAPPER_ANALOG:
1250 		if (sc->sc_mode != 0)
1251 			return ENXIO;
1252 
1253 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->mixer[2];
1254 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->mixer[5];
1255 		return 0;
1256 	default:
1257 		return ENXIO;
1258 	}
1259 
1260 	return 0;
1261 }
1262 
1263 static int
1264 snapper_query_devinfo(void *h, mixer_devinfo_t *dip)
1265 {
1266 	struct snapper_softc *sc = h;
1267 
1268 	switch (dip->index) {
1269 
1270 	case SNAPPER_OUTPUT_SELECT:
1271 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1272 		strcpy(dip->label.name, AudioNoutput);
1273 		dip->type = AUDIO_MIXER_SET;
1274 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1275 		dip->un.s.num_mem = 3;
1276 		strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
1277 		dip->un.s.member[0].mask = 1 << 0;
1278 		strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
1279 		dip->un.s.member[1].mask = 1 << 1;
1280 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1281 		dip->un.s.member[2].mask = 1 << 2;
1282 		return 0;
1283 
1284 	case SNAPPER_VOL_OUTPUT:
1285 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1286 		strcpy(dip->label.name, AudioNmaster);
1287 		dip->type = AUDIO_MIXER_VALUE;
1288 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1289 		dip->un.v.num_channels = 2;
1290 		dip->un.v.delta = 16;
1291 		strcpy(dip->un.v.units.name, AudioNvolume);
1292 		return 0;
1293 
1294 	case SNAPPER_INPUT_SELECT:
1295 		if (sc->sc_mode != 0)
1296 			return ENXIO;
1297 
1298 		dip->mixer_class = SNAPPER_RECORD_CLASS;
1299 		strcpy(dip->label.name, AudioNsource);
1300 		dip->type = AUDIO_MIXER_SET;
1301 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1302 		dip->un.s.num_mem = 2;
1303 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1304 		dip->un.s.member[0].mask = 1 << 0;
1305 		strcpy(dip->un.s.member[1].label.name, AudioNline);
1306 		dip->un.s.member[1].mask = 1 << 1;
1307 		return 0;
1308 
1309 	case SNAPPER_VOL_INPUT:
1310 		dip->mixer_class = SNAPPER_RECORD_CLASS;
1311 		strcpy(dip->label.name, AudioNrecord);
1312 		dip->type = AUDIO_MIXER_VALUE;
1313 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1314 		dip->un.v.num_channels = 2;
1315 		strcpy(dip->un.v.units.name, AudioNvolume);
1316 		return 0;
1317 
1318 	case SNAPPER_MONITOR_CLASS:
1319 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1320 		strcpy(dip->label.name, AudioCmonitor);
1321 		dip->type = AUDIO_MIXER_CLASS;
1322 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1323 		return 0;
1324 
1325 	case SNAPPER_OUTPUT_CLASS:
1326 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1327 		strcpy(dip->label.name, AudioCoutputs);
1328 		dip->type = AUDIO_MIXER_CLASS;
1329 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1330 		return 0;
1331 
1332 	case SNAPPER_RECORD_CLASS:
1333 		dip->mixer_class = SNAPPER_RECORD_CLASS;
1334 		strcpy(dip->label.name, AudioCrecord);
1335 		dip->type = AUDIO_MIXER_CLASS;
1336 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1337 		return 0;
1338 
1339 	case SNAPPER_TREBLE:
1340 		if (sc->sc_mode == SNAPPER_SWVOL)
1341 			return ENXIO;
1342 
1343 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1344 		strcpy(dip->label.name, AudioNtreble);
1345 		dip->type = AUDIO_MIXER_VALUE;
1346 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1347 		dip->un.v.num_channels = 1;
1348 		return 0;
1349 
1350 	case SNAPPER_BASS:
1351 		if (sc->sc_mode == SNAPPER_SWVOL)
1352 			return ENXIO;
1353 
1354 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1355 		strcpy(dip->label.name, AudioNbass);
1356 		dip->type = AUDIO_MIXER_VALUE;
1357 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1358 		dip->un.v.num_channels = 1;
1359 		return 0;
1360 
1361 	case SNAPPER_DIGI1:
1362 		if (sc->sc_mode == SNAPPER_SWVOL)
1363 			return ENXIO;
1364 
1365 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1366 		strcpy(dip->label.name, AudioNdac);
1367 		dip->type = AUDIO_MIXER_VALUE;
1368 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1369 		dip->un.v.num_channels =
1370 			sc->sc_mode == SNAPPER_IS_TAS3001? 1 : 2;
1371 		return 0;
1372 	case SNAPPER_DIGI2:
1373 		if (sc->sc_mode == SNAPPER_SWVOL)
1374 			return ENXIO;
1375 
1376 		dip->mixer_class = SNAPPER_OUTPUT_CLASS;
1377 		strcpy(dip->label.name, AudioNline);
1378 		dip->type = AUDIO_MIXER_VALUE;
1379 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1380 		dip->un.v.num_channels =
1381 			sc->sc_mode == SNAPPER_IS_TAS3001? 1 : 2;
1382 		return 0;
1383 	case SNAPPER_ANALOG:
1384 		if (sc->sc_mode != 0)
1385 			return ENXIO;
1386 
1387 		dip->mixer_class = SNAPPER_MONITOR_CLASS;
1388 		strcpy(dip->label.name, AudioNmicrophone);
1389 		dip->type = AUDIO_MIXER_VALUE;
1390 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1391 		dip->un.v.num_channels = 2;
1392 		return 0;
1393 	}
1394 
1395 	return ENXIO;
1396 }
1397 
1398 static size_t
1399 snapper_round_buffersize(void *h, int dir, size_t size)
1400 {
1401 
1402 	if (size > 65536)
1403 		size = 65536;
1404 	return size;
1405 }
1406 
1407 static int
1408 snapper_get_props(void *h)
1409 {
1410 
1411 	return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE |
1412 	    AUDIO_PROP_FULLDUPLEX;
1413 }
1414 
1415 static int
1416 snapper_trigger_output(void *h, void *start, void *end, int bsize,
1417 		       void (*intr)(void *), void *arg,
1418 		       const audio_params_t *param)
1419 {
1420 	struct snapper_softc *sc;
1421 	struct dbdma_command *cmd;
1422 	vaddr_t va;
1423 	int i, len, intmode;
1424 
1425 	DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
1426 	sc = h;
1427 
1428 	cmd = sc->sc_odmacmd;
1429 	sc->sc_ointr = intr;
1430 	sc->sc_oarg = arg;
1431 	sc->sc_opages = ((char *)end - (char *)start) / NBPG;
1432 
1433 #ifdef DIAGNOSTIC
1434 	if (sc->sc_opages > SNAPPER_MAXPAGES)
1435 		panic("snapper_trigger_output");
1436 #endif
1437 
1438 	va = (vaddr_t)start;
1439 	len = 0;
1440 	for (i = sc->sc_opages; i > 0; i--) {
1441 		len += NBPG;
1442 		if (len < bsize)
1443 			intmode = 0;
1444 		else {
1445 			len = 0;
1446 			intmode = DBDMA_INT_ALWAYS;
1447 		}
1448 
1449 		DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, NBPG, vtophys(va),
1450 		    intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1451 		cmd++;
1452 		va += NBPG;
1453 	}
1454 
1455 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0,
1456 	    0/*vtophys((vaddr_t)sc->sc_odmacmd)*/, 0, DBDMA_WAIT_NEVER,
1457 	    DBDMA_BRANCH_ALWAYS);
1458 
1459 	out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
1460 
1461 	dbdma_start(sc->sc_odma, sc->sc_odmacmd);
1462 
1463 	return 0;
1464 }
1465 
1466 static int
1467 snapper_trigger_input(void *h, void *start, void *end, int bsize,
1468 		      void (*intr)(void *), void *arg,
1469 		      const audio_params_t *param)
1470 {
1471 	struct snapper_softc *sc;
1472 	struct dbdma_command *cmd;
1473 	vaddr_t va;
1474 	int i, len, intmode;
1475 
1476 	DPRINTF("trigger_input %p %p 0x%x\n", start, end, bsize);
1477 	sc = h;
1478 
1479 	cmd = sc->sc_idmacmd;
1480 	sc->sc_iintr = intr;
1481 	sc->sc_iarg = arg;
1482 	sc->sc_ipages = ((char *)end - (char *)start) / NBPG;
1483 
1484 #ifdef DIAGNOSTIC
1485 	if (sc->sc_ipages > SNAPPER_MAXPAGES)
1486 		panic("snapper_trigger_input");
1487 #endif
1488 
1489 	va = (vaddr_t)start;
1490 	len = 0;
1491 	for (i = sc->sc_ipages; i > 0; i--) {
1492 		len += NBPG;
1493 		if (len < bsize)
1494 			intmode = 0;
1495 		else {
1496 			len = 0;
1497 			intmode = DBDMA_INT_ALWAYS;
1498 		}
1499 
1500 		DBDMA_BUILD(cmd, DBDMA_CMD_IN_MORE, 0, NBPG, vtophys(va),
1501 		    intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1502 		cmd++;
1503 		va += NBPG;
1504 	}
1505 
1506 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0,
1507 	    0/*vtophys((vaddr_t)sc->sc_odmacmd)*/, 0, DBDMA_WAIT_NEVER,
1508 	    DBDMA_BRANCH_ALWAYS);
1509 
1510 	out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_idmacmd));
1511 
1512 	dbdma_start(sc->sc_idma, sc->sc_idmacmd);
1513 
1514 	return 0;
1515 }
1516 
1517 static void
1518 snapper_get_locks(void *opaque, kmutex_t **intr, kmutex_t **thread)
1519 {
1520        struct snapper_softc *sc = opaque;
1521 
1522        *intr = &sc->sc_intr_lock;
1523        *thread = &sc->sc_lock;
1524 }
1525 
1526 static void
1527 snapper_set_volume(struct snapper_softc *sc, u_int left, u_int right)
1528 {
1529 	u_char regs[6];
1530 	int l, r;
1531 
1532 	left = uimin(255, left);
1533 	right = uimin(255, right);
1534 
1535 	if (sc->sc_mode == SNAPPER_SWVOL) {
1536 		sc->sc_swvol_l = left;
1537 		sc->sc_swvol_r = right;
1538 	} else {
1539 		/*
1540 		 * for some insane reason the gain table for master volume and the
1541 		 * mixer channels is almost identical - just shifted by 4 bits
1542 		 * so we use the mixer_gain table and bit-twiddle it...
1543 		 */
1544 		l = 177 - (left * 178 / 256);
1545 		regs[0] =  (snapper_mixer_gain[l][0] >> 4);
1546 		regs[1] = ((snapper_mixer_gain[l][0] & 0x0f) << 4) |
1547 			   (snapper_mixer_gain[l][1] >> 4);
1548 		regs[2] = ((snapper_mixer_gain[l][1] & 0x0f) << 4) |
1549 			   (snapper_mixer_gain[l][2] >> 4);
1550 
1551 		r = 177 - (right * 178 / 256);
1552 		regs[3] =  (snapper_mixer_gain[r][0] >> 4);
1553 		regs[4] = ((snapper_mixer_gain[r][0] & 0x0f) << 4) |
1554 			   (snapper_mixer_gain[r][1] >> 4);
1555 		regs[5] = ((snapper_mixer_gain[r][1] & 0x0f) << 4) |
1556 			   (snapper_mixer_gain[r][2] >> 4);
1557 
1558 		tas3004_write(sc, DEQ_VOLUME, regs);
1559 
1560 		DPRINTF("%d %02x %02x %02x : %d %02x %02x %02x\n", l, regs[0],
1561 		    regs[1], regs[2], r, regs[3], regs[4], regs[5]);
1562 	}
1563 
1564 	sc->sc_vol_l = left;
1565 	sc->sc_vol_r = right;
1566 }
1567 
1568 static void
1569 snapper_set_basstreble(struct snapper_softc *sc, u_int val, u_int mode)
1570 {
1571 	int i = val & 0xFF;
1572 	uint8_t reg;
1573 
1574 	/*
1575 	 * Make 128 match the 0 dB point
1576 	 */
1577 	i = (i - (128 - (SNAPPER_BASSTAB_0DB << 2))) >> 2;
1578 	if (i < 0)
1579 		i = 0;
1580 	else if (i >= sizeof(snapper_basstab))
1581 		i = sizeof(snapper_basstab) - 1;
1582 	reg = snapper_basstab[i];
1583 
1584 	if (sc->sc_mode == SNAPPER_IS_TAS3001 &&
1585 	    mode == DEQ_BASS) {
1586 	    /*
1587 	     * XXX -- The TAS3001 bass table is different
1588 	     *        than the other tables.
1589 	     */
1590 	    reg = (reg >> 1) + 5; // map 0x72 -> 0x3E (0 dB)
1591 	}
1592 
1593 	tas3004_write(sc, mode, &reg);
1594 }
1595 
1596 static void
1597 snapper_set_treble(struct snapper_softc *sc, u_int val)
1598 {
1599 	if (sc->sc_treble != (u_char)val) {
1600 		sc->sc_treble = val;
1601 		snapper_set_basstreble(sc, val, DEQ_TREBLE);
1602 	}
1603 }
1604 
1605 static void
1606 snapper_set_bass(struct snapper_softc *sc, u_int val)
1607 {
1608 	if (sc->sc_bass != (u_char)val) {
1609 		sc->sc_bass = val;
1610 		snapper_set_basstreble(sc, val, DEQ_BASS);
1611 	}
1612 }
1613 
1614 
1615 /*
1616  * In the mixer gain setting, make 128 correspond to
1617  * the 0dB value from the table.
1618  * Note that the table values are complemented.
1619  */
1620 #define SNAPPER_MIXER_GAIN_SIZE	(sizeof(snapper_mixer_gain) / \
1621                                	 sizeof(snapper_mixer_gain[0]))
1622 #define NORMALIZE(i)	((~(i) & 0xff) - ((~128 & 0xff) - SNAPPER_MIXER_GAIN_0DB))
1623 #define ADJUST(v, i)	do { \
1624                 		(v) = NORMALIZE(i);\
1625 				if ((v) < 0) \
1626 					(v) = 0; \
1627 				else if ((v) >= SNAPPER_MIXER_GAIN_SIZE) \
1628 					(v) = SNAPPER_MIXER_GAIN_SIZE - 1; \
1629 				\
1630 			} while (0)
1631 static void
1632 snapper_write_mixers(struct snapper_softc *sc)
1633 {
1634 	uint8_t regs[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
1635 	int i;
1636 if (sc->sc_mode > 1) return;
1637 	/* Left channel of SDIN1 */
1638 	ADJUST(i, sc->mixer[0]);
1639 	regs[0] = snapper_mixer_gain[i][0];
1640 	regs[1] = snapper_mixer_gain[i][1];
1641 	regs[2] = snapper_mixer_gain[i][2];
1642 
1643 	/* Left channel of SDIN2 */
1644 	ADJUST(i, sc->mixer[1]);
1645 	regs[3] = snapper_mixer_gain[i][0];
1646 	regs[4] = snapper_mixer_gain[i][1];
1647 	regs[5] = snapper_mixer_gain[i][2];
1648 
1649 	/* Left channel of analog input */
1650 	ADJUST(i, sc->mixer[2]);
1651 	regs[6] = snapper_mixer_gain[i][0];
1652 	regs[7] = snapper_mixer_gain[i][1];
1653 	regs[8] = snapper_mixer_gain[i][2];
1654 
1655 	tas3004_write(sc, DEQ_MIXER_L, regs);
1656 
1657 	/* Right channel of SDIN1 */
1658 	ADJUST(i, sc->mixer[3]);
1659 	regs[0] = snapper_mixer_gain[i][0];
1660 	regs[1] = snapper_mixer_gain[i][1];
1661 	regs[2] = snapper_mixer_gain[i][2];
1662 
1663 	/* Right channel of SDIN2 */
1664 	ADJUST(i, sc->mixer[4]);
1665 	regs[3] = snapper_mixer_gain[i][0];
1666 	regs[4] = snapper_mixer_gain[i][1];
1667 	regs[5] = snapper_mixer_gain[i][2];
1668 
1669 	/* Right channel of analog input */
1670 	ADJUST(i, sc->mixer[5]);
1671 	regs[6] = snapper_mixer_gain[i][0];
1672 	regs[7] = snapper_mixer_gain[i][1];
1673 	regs[8] = snapper_mixer_gain[i][2];
1674 
1675 	tas3004_write(sc, DEQ_MIXER_R, regs);
1676 }
1677 
1678 #define CLKSRC_49MHz	0x80000000	/* Use 49152000Hz Osc. */
1679 #define CLKSRC_45MHz	0x40000000	/* Use 45158400Hz Osc. */
1680 #define CLKSRC_18MHz	0x00000000	/* Use 18432000Hz Osc. */
1681 #define MCLK_DIV	0x1f000000	/* MCLK = SRC / DIV */
1682 #define  MCLK_DIV1	0x14000000	/*  MCLK = SRC */
1683 #define  MCLK_DIV3	0x13000000	/*  MCLK = SRC / 3 */
1684 #define  MCLK_DIV5	0x12000000	/*  MCLK = SRC / 5 */
1685 #define SCLK_DIV	0x00f00000	/* SCLK = MCLK / DIV */
1686 #define  SCLK_DIV1	0x00800000
1687 #define  SCLK_DIV3	0x00900000
1688 #define SCLK_MASTER	0x00080000	/* Master mode */
1689 #define SCLK_SLAVE	0x00000000	/* Slave mode */
1690 #define SERIAL_FORMAT	0x00070000
1691 #define  SERIAL_SONY	0x00000000
1692 #define  SERIAL_64x	0x00010000
1693 #define  SERIAL_32x	0x00020000
1694 #define  SERIAL_DAV	0x00040000
1695 #define  SERIAL_SILICON	0x00050000
1696 
1697 /*
1698  * rate = fs = LRCLK
1699  * SCLK = 64*LRCLK (I2S)
1700  * MCLK = 256fs (typ. -- changeable)
1701  *
1702  * MCLK = clksrc / mdiv
1703  * SCLK = MCLK / sdiv
1704  * rate = SCLK / 64    ( = LRCLK = fs)
1705  */
1706 
1707 int
1708 snapper_set_rate(struct snapper_softc *sc)
1709 {
1710 	u_int reg = 0, x;
1711 	u_int rate = sc->sc_rate;
1712 	uint32_t wordsize, ows;
1713 	int MCLK;
1714 	int clksrc, mdiv, sdiv;
1715 	int mclk_fs;
1716 	int timo;
1717 	uint8_t mcr1;
1718 
1719 	switch (rate) {
1720 	case 44100:
1721 		clksrc = 45158400;		/* 45MHz */
1722 		reg = CLKSRC_45MHz;
1723 		mclk_fs = 256;
1724 		break;
1725 
1726 	case 32000:
1727 	case 48000:
1728 	case 96000:
1729 		clksrc = 49152000;		/* 49MHz */
1730 		reg = CLKSRC_49MHz;
1731 		mclk_fs = 256;
1732 		break;
1733 
1734 	default:
1735 		DPRINTF("snapper_set_rate: invalid rate %u\n", rate);
1736 		return EINVAL;
1737 	}
1738 
1739 	MCLK = rate * mclk_fs;
1740 	mdiv = clksrc / MCLK;			/* 4 */
1741 	sdiv = mclk_fs / 64;			/* 4 */
1742 
1743 	switch (mdiv) {
1744 	case 1:
1745 		reg |= MCLK_DIV1;
1746 		break;
1747 	case 3:
1748 		reg |= MCLK_DIV3;
1749 		break;
1750 	case 5:
1751 		reg |= MCLK_DIV5;
1752 		break;
1753 	default:
1754 		reg |= ((mdiv / 2 - 1) << 24) & 0x1f000000;
1755 		break;
1756 	}
1757 
1758 	switch (sdiv) {
1759 	case 1:
1760 		reg |= SCLK_DIV1;
1761 		break;
1762 	case 3:
1763 		reg |= SCLK_DIV3;
1764 		break;
1765 	default:
1766 		reg |= ((sdiv / 2 - 1) << 20) & 0x00f00000;
1767 		break;
1768 	}
1769 
1770 	reg |= SCLK_MASTER;	/* XXX master mode */
1771 
1772 	reg |= SERIAL_64x;
1773 
1774 	/* stereo input and output */
1775 
1776 	DPRINTF("precision: %d\n", sc->sc_bitspersample);
1777 	switch(sc->sc_bitspersample) {
1778 		case 16:
1779 			wordsize = INPUT_STEREO | INPUT_16BIT |
1780 			           OUTPUT_STEREO | OUTPUT_16BIT;
1781 			mcr1 = DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_16;
1782 			break;
1783 		case 24:
1784 			wordsize = INPUT_STEREO | INPUT_24BIT |
1785 			           OUTPUT_STEREO | OUTPUT_24BIT;
1786 			mcr1 = DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_24;
1787 			break;
1788 		default:
1789 			printf("%s: unsupported sample size %d\n",
1790 			    device_xname(sc->sc_dev), sc->sc_bitspersample);
1791 			return EINVAL;
1792 	}
1793 
1794 	if (sc->sc_mode == SNAPPER_IS_TAS3001)
1795 		mcr1 |= DEQ_MCR1_ISM_I2S;
1796 
1797 	ows = bus_space_read_4(sc->sc_tag, sc->sc_bsh, I2S_WORDSIZE);
1798 
1799 	DPRINTF("I2SSetDataWordSizeReg 0x%08x -> 0x%08x\n",
1800 	    ows, wordsize);
1801 	if (ows != wordsize) {
1802 		bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_WORDSIZE,
1803 		    wordsize);
1804 		if (sc->sc_mode != SNAPPER_SWVOL)
1805 			tas3004_write(sc, DEQ_MCR1, &mcr1);
1806 	}
1807 
1808 	x = bus_space_read_4(sc->sc_tag, sc->sc_bsh, I2S_FORMAT);
1809 	if (x == reg)
1810 		return 0;        /* No change; do nothing. */
1811 
1812 	DPRINTF("I2SSetSerialFormatReg 0x%x -> 0x%x\n",
1813 	    bus_space_read_4(sc->sc_tag, sc->sc_bsh, + I2S_FORMAT), reg);
1814 
1815 	/* Clear CLKSTOPPEND. */
1816 	bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_INT, I2S_INT_CLKSTOPPEND);
1817 
1818 	x = obio_read_4(KEYLARGO_FCR1);                /* FCR */
1819 	x &= ~I2S0CLKEN;                /* XXX I2S0 */
1820 	obio_write_4(KEYLARGO_FCR1, x);
1821 
1822 	/* Wait until clock is stopped. */
1823 	for (timo = 1000; timo > 0; timo--) {
1824 		if (bus_space_read_4(sc->sc_tag, sc->sc_bsh, I2S_INT) &
1825 		    I2S_INT_CLKSTOPPEND)
1826 			goto done;
1827 		delay(1);
1828 	}
1829 	DPRINTF("snapper_set_rate: timeout\n");
1830 done:
1831 	bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_FORMAT, reg);
1832 
1833 	x = obio_read_4(KEYLARGO_FCR1);
1834 	x |= I2S0CLKEN;
1835 	obio_write_4(KEYLARGO_FCR1, x);
1836 
1837 	return 0;
1838 }
1839 
1840 const struct tas3004_reg tas3004_initdata = {
1841 	{ DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_16 },	/* MCR1 */
1842 	{ 1, 0, 0, 0, 0, 0 },					/* DRC */
1843 	{ 0, 0, 0, 0, 0, 0 },					/* VOLUME */
1844 	{ 0x72 },						/* TREBLE */
1845 	{ 0x72 },						/* BASS */
1846 	{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 },			/* MIXER_L */
1847 	{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 },			/* MIXER_R */
1848 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1849 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1850 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1851 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1852 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1853 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1854 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1855 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1856 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1857 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1858 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1859 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1860 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1861 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1862 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1863 	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
1864 	{ 0, 0, 0 },						/* LLB_GAIN */
1865 	{ 0, 0, 0 },						/* RLB_GAIN */
1866 	{ 0 },							/* ACR - line in */
1867 	{ 2 }							/* MCR2 - AllPass mode since we don't use the equalizer anyway */
1868 };
1869 
1870 const char tas3004_regsize[] = {
1871 	0,					/* 0x00 */
1872 	sizeof tas3004_initdata.MCR1,		/* 0x01 */
1873 	sizeof tas3004_initdata.DRC,		/* 0x02 */
1874 	0,					/* 0x03 */
1875 	sizeof tas3004_initdata.VOLUME,		/* 0x04 */
1876 	sizeof tas3004_initdata.TREBLE,		/* 0x05 */
1877 	sizeof tas3004_initdata.BASS,		/* 0x06 */
1878 	sizeof tas3004_initdata.MIXER_L,	/* 0x07 */
1879 	sizeof tas3004_initdata.MIXER_R,	/* 0x08 */
1880 	0,					/* 0x09 */
1881 	sizeof tas3004_initdata.LB0,		/* 0x0a */
1882 	sizeof tas3004_initdata.LB1,		/* 0x0b */
1883 	sizeof tas3004_initdata.LB2,		/* 0x0c */
1884 	sizeof tas3004_initdata.LB3,		/* 0x0d */
1885 	sizeof tas3004_initdata.LB4,		/* 0x0e */
1886 	sizeof tas3004_initdata.LB5,		/* 0x0f */
1887 	sizeof tas3004_initdata.LB6,		/* 0x10 */
1888 	0,					/* 0x11 */
1889 	0,					/* 0x12 */
1890 	sizeof tas3004_initdata.RB0,		/* 0x13 */
1891 	sizeof tas3004_initdata.RB1,		/* 0x14 */
1892 	sizeof tas3004_initdata.RB2,		/* 0x15 */
1893 	sizeof tas3004_initdata.RB3,		/* 0x16 */
1894 	sizeof tas3004_initdata.RB4,		/* 0x17 */
1895 	sizeof tas3004_initdata.RB5,		/* 0x18 */
1896 	sizeof tas3004_initdata.RB6,		/* 0x19 */
1897 	0,0,0,0, 0,0,
1898 	0,					/* 0x20 */
1899 	sizeof tas3004_initdata.LLB,		/* 0x21 */
1900 	sizeof tas3004_initdata.RLB,		/* 0x22 */
1901 	sizeof tas3004_initdata.LLB_GAIN,	/* 0x23 */
1902 	sizeof tas3004_initdata.RLB_GAIN,	/* 0x24 */
1903 	0,0,0,0, 0,0,0,0, 0,0,0,
1904 	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
1905 	sizeof tas3004_initdata.ACR,		/* 0x40 */
1906 	0,					/* 0x41 */
1907 	0,					/* 0x42 */
1908 	sizeof tas3004_initdata.MCR2		/* 0x43 */
1909 };
1910 
1911 static int
1912 tas3004_write(struct snapper_softc *sc, u_int reg, const void *data)
1913 {
1914 	int size;
1915 	static char regblock[sizeof(struct tas3004_reg)+1];
1916 
1917 	if (sc->sc_i2c == NULL)
1918 		return 0;
1919 
1920 	KASSERT(reg < sizeof tas3004_regsize);
1921 	size = tas3004_regsize[reg];
1922 	KASSERT(size > 0);
1923 
1924 	DPRINTF("reg: %x, %d %d\n", reg, size, ((const char*)data)[0]);
1925 
1926 	regblock[0] = reg;
1927 	memcpy(&regblock[1], data, size);
1928 	if (sc->sc_mode == SNAPPER_IS_TAS3001) {
1929 		if (reg == DEQ_MIXER_L || reg == DEQ_MIXER_R)
1930 			size = 3;
1931 		else if (reg == DEQ_DRC || reg == DEQ_ACR ||
1932 			 reg == DEQ_MCR2) {
1933 			/* these registers are not available on TAS3001 */
1934 			return 0;
1935 		}
1936 	}
1937 	iic_acquire_bus(sc->sc_i2c, 0);
1938 	iic_exec(sc->sc_i2c, I2C_OP_WRITE, sc->sc_deqaddr, regblock, size + 1,
1939 	    NULL, 0, 0);
1940 	iic_release_bus(sc->sc_i2c, 0);
1941 
1942 	return 0;
1943 }
1944 
1945 static int
1946 gpio_read(bus_size_t addr)
1947 {
1948 
1949 	if (obio_read_1(addr) & GPIO_DATA)
1950 		return 1;
1951 	return 0;
1952 }
1953 
1954 static void
1955 gpio_write(bus_size_t addr, int val)
1956 {
1957 	uint8_t data;
1958 
1959 	data = GPIO_DDR_OUTPUT;
1960 	if (val)
1961 		data |= GPIO_DATA;
1962 	obio_write_1(addr, data);
1963 }
1964 
1965 int headphone_active = 0;
1966 int lineout_active = 0;
1967 int amp_active = 0;
1968 
1969 static void
1970 snapper_mute_speaker(struct snapper_softc *sc, int mute)
1971 {
1972 	int x;
1973 
1974 	if (amp_mute) {
1975 		DPRINTF("ampmute %d --> ", gpio_read(amp_mute));
1976 
1977 		if (mute)
1978 			x = amp_active;		/* mute */
1979 		else
1980 			x = amp_active ^ 1;	/* unmute */
1981 
1982 		gpio_write(amp_mute, x);
1983 
1984 		DPRINTF("%d\n", gpio_read(amp_mute));
1985 	}
1986 }
1987 
1988 static void
1989 snapper_mute_headphone(struct snapper_softc *sc, int mute)
1990 {
1991 	u_int x;
1992 
1993 	if (headphone_mute != 0) {
1994 		DPRINTF("headphonemute %d --> ", gpio_read(headphone_mute));
1995 
1996 		if (mute)
1997 			x = headphone_active;	/* mute */
1998 		else
1999 			x = headphone_active ^ 1;	/* unmute */
2000 
2001 		gpio_write(headphone_mute, x);
2002 
2003 		DPRINTF("%d\n", gpio_read(headphone_mute));
2004 	}
2005 }
2006 
2007 static void
2008 snapper_mute_lineout(struct snapper_softc *sc, int mute)
2009 {
2010 	u_int x;
2011 
2012 	if (lineout_mute != 0) {
2013 		DPRINTF("lineoutmute %d --> ", gpio_read(lineout_mute));
2014 
2015 		if (mute)
2016 			x = lineout_active;	/* mute */
2017 		else
2018 			x = lineout_active ^ 1;	/* unmute */
2019 
2020 		gpio_write(lineout_mute, x);
2021 
2022 		DPRINTF("%d\n", gpio_read(lineout_mute));
2023 	}
2024 }
2025 
2026 static int
2027 snapper_cint(void *v)
2028 {
2029 	struct snapper_softc *sc = v;
2030 	u_int sense;
2031 	int mask = 1 << 0;
2032 
2033 	if (headphone_detect != 0) {
2034 		sense = obio_read_1(headphone_detect);
2035 		DPRINTF("headphone detect = 0x%x\n", sense);
2036 
2037 		if (((sense & 0x02) >> 1) == headphone_detect_active) {
2038 			DPRINTF("headphone is inserted\n");
2039 			mask |= 1 << 1;
2040 			mask &= ~(1 << 0);
2041 		} else {
2042 			DPRINTF("headphone is NOT inserted\n");
2043 		}
2044 	}
2045 	if (lineout_detect != 0) {
2046 		sense = obio_read_1(lineout_detect);
2047 		DPRINTF("lineout detect = 0x%x\n", sense);
2048 
2049 		if (((sense & 0x02) >> 1) == lineout_detect_active) {
2050 			DPRINTF("lineout is inserted\n");
2051 			mask |= 1 << 2;
2052 			mask &= ~(1 << 0);
2053 		} else {
2054 			DPRINTF("lineout is NOT inserted\n");
2055 		}
2056 	}
2057 	if (mask != sc->sc_output_mask) {
2058 		sc->sc_output_mask = mask;
2059 		if (mask & (1 << 0)) {
2060 			snapper_mute_speaker(sc, 0);
2061 		} else snapper_mute_speaker(sc, 1);
2062 		if (mask & (1 << 1)) {
2063 			snapper_mute_headphone(sc, 0);
2064 		} else snapper_mute_headphone(sc, 1);
2065 		if (mask & (1 << 2)) {
2066 			snapper_mute_lineout(sc, 0);
2067 		} else snapper_mute_lineout(sc, 1);
2068 	}
2069 	return 1;
2070 }
2071 
2072 #define reset_active 0	/* XXX OF */
2073 
2074 #define DEQ_WRITE(sc, reg, addr) \
2075 	if (tas3004_write(sc, reg, addr)) goto err
2076 
2077 static int
2078 tas3004_init(struct snapper_softc *sc)
2079 {
2080 
2081 	/* No reset port.  Nothing to do. */
2082 	if (audio_hw_reset == 0)
2083 		goto noreset;
2084 
2085 	/* Reset TAS3004. */
2086 	gpio_write(audio_hw_reset, !reset_active);	/* Negate RESET */
2087 	delay(100000);				/* XXX Really needed? */
2088 
2089 	gpio_write(audio_hw_reset, reset_active);	/* Assert RESET */
2090 	delay(1);
2091 
2092 	gpio_write(audio_hw_reset, !reset_active);	/* Negate RESET */
2093 	delay(10000);
2094 
2095 noreset:
2096 	if ((sc->sc_mode == SNAPPER_IS_TAS3004) ||
2097 	    (sc->sc_mode == SNAPPER_IS_TAS3001)) {
2098 		DEQ_WRITE(sc, DEQ_LB0, tas3004_initdata.LB0);
2099 		DEQ_WRITE(sc, DEQ_LB1, tas3004_initdata.LB1);
2100 		DEQ_WRITE(sc, DEQ_LB2, tas3004_initdata.LB2);
2101 		DEQ_WRITE(sc, DEQ_LB3, tas3004_initdata.LB3);
2102 		DEQ_WRITE(sc, DEQ_LB4, tas3004_initdata.LB4);
2103 		DEQ_WRITE(sc, DEQ_LB5, tas3004_initdata.LB5);
2104 		DEQ_WRITE(sc, DEQ_LB6, tas3004_initdata.LB6);
2105 		DEQ_WRITE(sc, DEQ_RB0, tas3004_initdata.RB0);
2106 		DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
2107 		DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
2108 		DEQ_WRITE(sc, DEQ_RB2, tas3004_initdata.RB2);
2109 		DEQ_WRITE(sc, DEQ_RB3, tas3004_initdata.RB3);
2110 		DEQ_WRITE(sc, DEQ_RB4, tas3004_initdata.RB4);
2111 		DEQ_WRITE(sc, DEQ_RB5, tas3004_initdata.RB5);
2112 		DEQ_WRITE(sc, DEQ_MCR1, tas3004_initdata.MCR1);
2113 		DEQ_WRITE(sc, DEQ_MCR2, tas3004_initdata.MCR2);
2114 		DEQ_WRITE(sc, DEQ_DRC, tas3004_initdata.DRC);
2115 		DEQ_WRITE(sc, DEQ_VOLUME, tas3004_initdata.VOLUME);
2116 		DEQ_WRITE(sc, DEQ_TREBLE, tas3004_initdata.TREBLE);
2117 		DEQ_WRITE(sc, DEQ_BASS, tas3004_initdata.BASS);
2118 		DEQ_WRITE(sc, DEQ_MIXER_L, tas3004_initdata.MIXER_L);
2119 		DEQ_WRITE(sc, DEQ_MIXER_R, tas3004_initdata.MIXER_R);
2120 		DEQ_WRITE(sc, DEQ_LLB, tas3004_initdata.LLB);
2121 		DEQ_WRITE(sc, DEQ_RLB, tas3004_initdata.RLB);
2122 		DEQ_WRITE(sc, DEQ_LLB_GAIN, tas3004_initdata.LLB_GAIN);
2123 		DEQ_WRITE(sc, DEQ_RLB_GAIN, tas3004_initdata.RLB_GAIN);
2124 		DEQ_WRITE(sc, DEQ_ACR, tas3004_initdata.ACR);
2125 	}
2126 	return 0;
2127 err:
2128 	printf("tas3004_init: error\n");
2129 	return -1;
2130 }
2131 
2132 static void
2133 snapper_init(struct snapper_softc *sc, int node)
2134 {
2135 	int gpio;
2136 	int headphone_detect_intr, lineout_detect_intr;
2137 	uint32_t gpio_base, reg[1], fcreg, buf[8];
2138 	char intr_xname[INTRDEVNAMEBUF];
2139 #ifdef SNAPPER_DEBUG
2140 	char fcr[32];
2141 
2142 	snprintb(fcr, sizeof(fcr),  FCR3C_BITMASK, obio_read_4(KEYLARGO_FCR1));
2143 	printf("FCR(0x3c) %s\n", fcr);
2144 #endif
2145 	fcreg = obio_read_4(KEYLARGO_FCR1);
2146 	fcreg |= I2S0CLKEN | I2S0EN;
2147 	obio_write_4(KEYLARGO_FCR1, fcreg);
2148 
2149 	headphone_detect_intr = -1;
2150 	lineout_detect_intr = -1;
2151 
2152 	gpio = of_getnode_byname(OF_parent(node), "gpio");
2153 	if (OF_getprop(gpio, "reg", reg, sizeof(reg)) == sizeof(reg))
2154 		gpio_base = reg[0];
2155 	else
2156 		gpio_base = 0;
2157 	DPRINTF(" /gpio 0x%x@0x%x\n", (unsigned)gpio, gpio_base);
2158 
2159 	gpio = OF_child(gpio);
2160 	while (gpio) {
2161 		char name[64], audio_gpio[64], sid[64];
2162 		int intr[2];
2163 		bus_size_t addr;
2164 
2165 		memset(name, 0, sizeof name);
2166 		memset(audio_gpio, 0, sizeof audio_gpio);
2167 		addr = 0;
2168 		OF_getprop(gpio, "name", name, sizeof name);
2169 		OF_getprop(gpio, "audio-gpio", audio_gpio, sizeof audio_gpio);
2170 		OF_getprop(gpio, "one-wire-bus", sid, sizeof sid);
2171 		if (OF_getprop(gpio, "AAPL,address", &addr, sizeof addr) == -1)
2172 			if (OF_getprop(gpio, "reg", reg, sizeof reg)
2173 			    == sizeof reg)
2174 				addr = gpio_base + reg[0];
2175 		/*
2176 		 * XXX
2177 		 * APL,address contains the absolute address, we only want the
2178 		 * offset from mac-io's base address
2179 		 */
2180 		addr &= 0x7fff;
2181 		DPRINTF(" 0x%x %s %s %08x\n", gpio, name, audio_gpio, addr);
2182 
2183 		/* gpio5 */
2184 		if (strcmp(audio_gpio, "headphone-mute") == 0 ||
2185 		    strcmp(name, "headphone-mute") == 0) {
2186 			headphone_mute = addr;
2187 			if (OF_getprop(gpio,
2188 			    "platform-do-headphone-mute", buf, 20) == 20) {
2189 				headphone_active = buf[3] & 1;
2190 				DPRINTF("platform-do-headphone-mute %d\n",
2191 				    headphone_active);
2192 			}
2193 		}
2194 		/* gpio6 */
2195 		if (strcmp(audio_gpio, "amp-mute") == 0 ||
2196 		    strcmp(name, "amp-mute") == 0) {
2197 			amp_mute = addr;
2198 			if (OF_getprop(gpio,
2199 			    "platform-do-amp-mute", buf, 20) == 20) {
2200 				amp_active = buf[3] & 1;
2201 				DPRINTF("platform-do-amp-mute %d\n",
2202 				    amp_active);
2203 			}
2204 		}
2205 		/* extint-gpio15 */
2206 		if (strcmp(audio_gpio, "headphone-detect") == 0 ||
2207 		    strcmp(name, "headphone-detect") == 0) {
2208 		    	uint32_t act = 0;
2209 			headphone_detect = addr;
2210 			OF_getprop(gpio, "audio-gpio-active-state", &act, 4);
2211 			headphone_detect_active = act;
2212 			if (OF_getprop(gpio, "interrupts", intr, 8) == 8) {
2213 				headphone_detect_intr = intr[0];
2214 			}
2215 		}
2216 		if (strcmp(audio_gpio, "lineout-mute") == 0 ||
2217 		    strcmp(name, "lineout-mute") == 0 ||
2218 		    strcmp(name, "line-output-mute") == 0) {
2219 			lineout_mute = addr;
2220 			if (OF_getprop(gpio,
2221 			    "platform-do-lineout-mute", buf, 20) == 20) {
2222 				lineout_active = buf[3] & 1;
2223 				DPRINTF("platform-do-lineout-mute %d\n",
2224 				    lineout_active);
2225 			}
2226 		}
2227 		if (strcmp(audio_gpio, "lineout-detect") == 0 ||
2228 		    strcmp(name, "lineout-detect") == 0 ||
2229 		    strcmp(name, "line-output-detect") == 0) {
2230 		    	uint32_t act = 0;
2231 			lineout_detect = addr;
2232 			OF_getprop(gpio, "audio-gpio-active-state", &act, 4);
2233 			lineout_detect_active = act;
2234 			if (OF_getprop(gpio, "interrupts", intr, 8) == 8) {
2235 				lineout_detect_intr = intr[0];
2236 			}
2237 		}
2238 		/* extint-gpio16 on Quicksilver */
2239 		if (strcmp(sid, "speaker-id") == 0) {
2240 			owaddr = addr;
2241 		}
2242 		/* gpio11 (keywest-11) */
2243 		if (strcmp(audio_gpio, "audio-hw-reset") == 0 ||
2244 		    strcmp(name, "hw-reset") == 0)
2245 			audio_hw_reset = addr;
2246 
2247 		gpio = OF_peer(gpio);
2248 	}
2249 
2250 	if (owaddr != -1) snapper_setup_ow(sc);
2251 
2252 	DPRINTF(" headphone-mute %x\n", headphone_mute);
2253 	DPRINTF(" lineout-mute %x\n", lineout_mute);
2254 	DPRINTF(" amp-mute %x\n", amp_mute);
2255 	DPRINTF(" headphone-detect %x\n", headphone_detect);
2256 	DPRINTF(" headphone-detect active %x\n", headphone_detect_active);
2257 	DPRINTF(" headphone-detect intr %x\n", headphone_detect_intr);
2258 	DPRINTF(" lineout-detect %x\n", lineout_detect);
2259 	DPRINTF(" lineout-detect active %x\n", lineout_detect_active);
2260 	DPRINTF(" lineout-detect intr %x\n", lineout_detect_intr);
2261 	DPRINTF(" audio-hw-reset %x\n", audio_hw_reset);
2262 
2263 	if (headphone_detect_intr != -1) {
2264 		snprintf(intr_xname, sizeof(intr_xname), "%s headphone",
2265 		    device_xname(sc->sc_dev));
2266 		intr_establish_xname(headphone_detect_intr, IST_EDGE,
2267 		    IPL_AUDIO, snapper_cint, sc, intr_xname);
2268 	}
2269 
2270 	if (lineout_detect_intr != -1) {
2271 		snprintf(intr_xname, sizeof(intr_xname), "%s line out",
2272 		    device_xname(sc->sc_dev));
2273 		intr_establish_xname(lineout_detect_intr, IST_EDGE, IPL_AUDIO,
2274 		    snapper_cint, sc, intr_xname);
2275 	}
2276 
2277 	sc->sc_rate = 44100;	/* default rate */
2278 	sc->sc_bitspersample = 16;
2279 
2280 	/* Enable headphone interrupt? */
2281 	if (headphone_detect != 0) {
2282 		obio_write_1(headphone_detect,
2283 		    obio_read_1(headphone_detect) | 0x80);
2284 	}
2285 	if (lineout_detect != 0) {
2286 		obio_write_1(lineout_detect,
2287 		    obio_read_1(lineout_detect) | 0x80);
2288 	}
2289 
2290 	if (tas3004_init(sc))
2291 		return;
2292 
2293 	/* Update headphone status. */
2294 	snapper_cint(sc);
2295 
2296 	snapper_set_volume(sc, 128, 128);
2297 	snapper_set_bass(sc, 128);
2298 	snapper_set_treble(sc, 128);
2299 
2300 	/* Record source defaults to line in.  This reflects the
2301 	 * default value for the ACR (see tas3004_initdata).
2302 	 */
2303 	sc->sc_record_source = 1 << 1;
2304 
2305 	/* We mute the analog input for now */
2306 	sc->mixer[0] = 128;
2307 	sc->mixer[1] = 128;
2308 	sc->mixer[2] = 0;
2309 	if (sc->sc_mode == SNAPPER_IS_TAS3001) {
2310 		sc->mixer[3] = 0;
2311 	} else
2312 		sc->mixer[3] = 128;
2313 	sc->mixer[4] = 128;
2314 	sc->mixer[5] = 0;
2315 	snapper_write_mixers(sc);
2316 }
2317 
2318 static void
2319 snapper_setup_ow(struct snapper_softc *sc)
2320 {
2321 	struct onewirebus_attach_args oba;
2322 
2323 	/* Attach 1-Wire bus */
2324 	sc->sc_ow_bus.bus_cookie = sc;
2325 	sc->sc_ow_bus.bus_reset = snapper_ow_reset;
2326 	sc->sc_ow_bus.bus_read_bit = snapper_ow_read_bit;
2327 	sc->sc_ow_bus.bus_write_bit = snapper_ow_write_bit;
2328 
2329 	memset(&oba, 0, sizeof(oba));
2330 	oba.oba_bus = &sc->sc_ow_bus;
2331 	sc->sc_ow_dev = config_found(sc->sc_dev, &oba, onewirebus_print,
2332 	    CFARGS(.iattr = "onewirebus"));
2333 }
2334 
2335 static int
2336 snapper_ow_reset(void *cookie)
2337 {
2338 	return (onewire_bb_reset(&snapper_bbops, cookie));
2339 }
2340 
2341 static int
2342 snapper_ow_read_bit(void *cookie)
2343 {
2344 	return (onewire_bb_read_bit(&snapper_bbops, cookie));
2345 }
2346 
2347 static void
2348 snapper_ow_write_bit(void *cookie, int bit)
2349 {
2350 	onewire_bb_write_bit(&snapper_bbops, cookie, bit);
2351 }
2352 
2353 static void
2354 snapper_bb_rx(void *cookie)
2355 {
2356 	struct snapper_softc *sc = cookie;
2357 
2358 	sc->sc_ow_data &= ~GPIO_DDR_OUTPUT;
2359 	obio_write_1(owaddr, sc->sc_ow_data);
2360 }
2361 
2362 static void
2363 snapper_bb_tx(void *cookie)
2364 {
2365 	struct snapper_softc *sc = cookie;
2366 
2367 	sc->sc_ow_data |= GPIO_DDR_OUTPUT;
2368 	obio_write_1(owaddr, sc->sc_ow_data);
2369 }
2370 
2371 static int snapper_bb_get(void *cookie)
2372 {
2373 	int data = (obio_read_1(owaddr) & GPIO_LEVEL) ? 1 : 0;
2374 	return data;
2375 }
2376 
2377 static void snapper_bb_set(void *cookie, int bit)
2378 {
2379 	struct snapper_softc *sc = cookie;
2380 
2381 	if (bit) {
2382 		sc->sc_ow_data |= GPIO_DATA;
2383 	} else
2384 		sc->sc_ow_data &= ~GPIO_DATA;
2385 
2386 	obio_write_1(owaddr, sc->sc_ow_data);
2387 }
2388