1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * PMac AWACS lowlevel functions
4 *
5 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
6 * code based on dmasound.c.
7 */
8
9
10#include <linux/io.h>
11#include <asm/nvram.h>
12#include <linux/init.h>
13#include <linux/delay.h>
14#include <linux/of.h>
15#include <linux/slab.h>
16#include <sound/core.h>
17#include "pmac.h"
18
19
20#ifdef CONFIG_ADB_CUDA
21#define PMAC_AMP_AVAIL
22#endif
23
24#ifdef PMAC_AMP_AVAIL
25struct awacs_amp {
26	unsigned char amp_master;
27	unsigned char amp_vol[2][2];
28	unsigned char amp_tone[2];
29};
30
31#define CHECK_CUDA_AMP() (sys_ctrler == SYS_CTRLER_CUDA)
32
33#endif /* PMAC_AMP_AVAIL */
34
35
36static void snd_pmac_screamer_wait(struct snd_pmac *chip)
37{
38	long timeout = 2000;
39	while (!(in_le32(&chip->awacs->codec_stat) & MASK_VALID)) {
40		mdelay(1);
41		if (! --timeout) {
42			snd_printd("snd_pmac_screamer_wait timeout\n");
43			break;
44		}
45	}
46}
47
48/*
49 * write AWACS register
50 */
51static void
52snd_pmac_awacs_write(struct snd_pmac *chip, int val)
53{
54	long timeout = 5000000;
55
56	if (chip->model == PMAC_SCREAMER)
57		snd_pmac_screamer_wait(chip);
58	out_le32(&chip->awacs->codec_ctrl, val | (chip->subframe << 22));
59	while (in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) {
60		if (! --timeout) {
61			snd_printd("snd_pmac_awacs_write timeout\n");
62			break;
63		}
64	}
65}
66
67static void
68snd_pmac_awacs_write_reg(struct snd_pmac *chip, int reg, int val)
69{
70	snd_pmac_awacs_write(chip, val | (reg << 12));
71	chip->awacs_reg[reg] = val;
72}
73
74static void
75snd_pmac_awacs_write_noreg(struct snd_pmac *chip, int reg, int val)
76{
77	snd_pmac_awacs_write(chip, val | (reg << 12));
78}
79
80#ifdef CONFIG_PM
81/* Recalibrate chip */
82static void screamer_recalibrate(struct snd_pmac *chip)
83{
84	if (chip->model != PMAC_SCREAMER)
85		return;
86
87	/* Sorry for the horrible delays... I hope to get that improved
88	 * by making the whole PM process asynchronous in a future version
89	 */
90	snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
91	if (chip->manufacturer == 0x1)
92		/* delay for broken crystal part */
93		msleep(750);
94	snd_pmac_awacs_write_noreg(chip, 1,
95				   chip->awacs_reg[1] | MASK_RECALIBRATE |
96				   MASK_CMUTE | MASK_AMUTE);
97	snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
98	snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
99}
100
101#else
102#define screamer_recalibrate(chip) /* NOP */
103#endif
104
105
106/*
107 * additional callback to set the pcm format
108 */
109static void snd_pmac_awacs_set_format(struct snd_pmac *chip)
110{
111	chip->awacs_reg[1] &= ~MASK_SAMPLERATE;
112	chip->awacs_reg[1] |= chip->rate_index << 3;
113	snd_pmac_awacs_write_reg(chip, 1, chip->awacs_reg[1]);
114}
115
116
117/*
118 * AWACS volume callbacks
119 */
120/*
121 * volumes: 0-15 stereo
122 */
123static int snd_pmac_awacs_info_volume(struct snd_kcontrol *kcontrol,
124				      struct snd_ctl_elem_info *uinfo)
125{
126	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
127	uinfo->count = 2;
128	uinfo->value.integer.min = 0;
129	uinfo->value.integer.max = 15;
130	return 0;
131}
132
133static int snd_pmac_awacs_get_volume(struct snd_kcontrol *kcontrol,
134				     struct snd_ctl_elem_value *ucontrol)
135{
136	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
137	int reg = kcontrol->private_value & 0xff;
138	int lshift = (kcontrol->private_value >> 8) & 0xff;
139	int inverted = (kcontrol->private_value >> 16) & 1;
140	unsigned long flags;
141	int vol[2];
142
143	spin_lock_irqsave(&chip->reg_lock, flags);
144	vol[0] = (chip->awacs_reg[reg] >> lshift) & 0xf;
145	vol[1] = chip->awacs_reg[reg] & 0xf;
146	spin_unlock_irqrestore(&chip->reg_lock, flags);
147	if (inverted) {
148		vol[0] = 0x0f - vol[0];
149		vol[1] = 0x0f - vol[1];
150	}
151	ucontrol->value.integer.value[0] = vol[0];
152	ucontrol->value.integer.value[1] = vol[1];
153	return 0;
154}
155
156static int snd_pmac_awacs_put_volume(struct snd_kcontrol *kcontrol,
157				     struct snd_ctl_elem_value *ucontrol)
158{
159	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
160	int reg = kcontrol->private_value & 0xff;
161	int lshift = (kcontrol->private_value >> 8) & 0xff;
162	int inverted = (kcontrol->private_value >> 16) & 1;
163	int val, oldval;
164	unsigned long flags;
165	unsigned int vol[2];
166
167	vol[0] = ucontrol->value.integer.value[0];
168	vol[1] = ucontrol->value.integer.value[1];
169	if (vol[0] > 0x0f || vol[1] > 0x0f)
170		return -EINVAL;
171	if (inverted) {
172		vol[0] = 0x0f - vol[0];
173		vol[1] = 0x0f - vol[1];
174	}
175	vol[0] &= 0x0f;
176	vol[1] &= 0x0f;
177	spin_lock_irqsave(&chip->reg_lock, flags);
178	oldval = chip->awacs_reg[reg];
179	val = oldval & ~(0xf | (0xf << lshift));
180	val |= vol[0] << lshift;
181	val |= vol[1];
182	if (oldval != val)
183		snd_pmac_awacs_write_reg(chip, reg, val);
184	spin_unlock_irqrestore(&chip->reg_lock, flags);
185	return oldval != reg;
186}
187
188
189#define AWACS_VOLUME(xname, xreg, xshift, xinverted) \
190{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
191  .info = snd_pmac_awacs_info_volume, \
192  .get = snd_pmac_awacs_get_volume, \
193  .put = snd_pmac_awacs_put_volume, \
194  .private_value = (xreg) | ((xshift) << 8) | ((xinverted) << 16) }
195
196/*
197 * mute master/ogain for AWACS: mono
198 */
199static int snd_pmac_awacs_get_switch(struct snd_kcontrol *kcontrol,
200				     struct snd_ctl_elem_value *ucontrol)
201{
202	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
203	int reg = kcontrol->private_value & 0xff;
204	int shift = (kcontrol->private_value >> 8) & 0xff;
205	int invert = (kcontrol->private_value >> 16) & 1;
206	int val;
207	unsigned long flags;
208
209	spin_lock_irqsave(&chip->reg_lock, flags);
210	val = (chip->awacs_reg[reg] >> shift) & 1;
211	spin_unlock_irqrestore(&chip->reg_lock, flags);
212	if (invert)
213		val = 1 - val;
214	ucontrol->value.integer.value[0] = val;
215	return 0;
216}
217
218static int snd_pmac_awacs_put_switch(struct snd_kcontrol *kcontrol,
219				     struct snd_ctl_elem_value *ucontrol)
220{
221	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
222	int reg = kcontrol->private_value & 0xff;
223	int shift = (kcontrol->private_value >> 8) & 0xff;
224	int invert = (kcontrol->private_value >> 16) & 1;
225	int mask = 1 << shift;
226	int val, changed;
227	unsigned long flags;
228
229	spin_lock_irqsave(&chip->reg_lock, flags);
230	val = chip->awacs_reg[reg] & ~mask;
231	if (ucontrol->value.integer.value[0] != invert)
232		val |= mask;
233	changed = chip->awacs_reg[reg] != val;
234	if (changed)
235		snd_pmac_awacs_write_reg(chip, reg, val);
236	spin_unlock_irqrestore(&chip->reg_lock, flags);
237	return changed;
238}
239
240#define AWACS_SWITCH(xname, xreg, xshift, xinvert) \
241{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
242  .info = snd_pmac_boolean_mono_info, \
243  .get = snd_pmac_awacs_get_switch, \
244  .put = snd_pmac_awacs_put_switch, \
245  .private_value = (xreg) | ((xshift) << 8) | ((xinvert) << 16) }
246
247
248#ifdef PMAC_AMP_AVAIL
249/*
250 * controls for perch/whisper extension cards, e.g. G3 desktop
251 *
252 * TDA7433 connected via i2c address 0x45 (= 0x8a),
253 * accessed through cuda
254 */
255static void awacs_set_cuda(int reg, int val)
256{
257	struct adb_request req;
258	cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, 0x8a,
259			reg, val);
260	while (! req.complete)
261		cuda_poll();
262}
263
264/*
265 * level = 0 - 14, 7 = 0 dB
266 */
267static void awacs_amp_set_tone(struct awacs_amp *amp, int bass, int treble)
268{
269	amp->amp_tone[0] = bass;
270	amp->amp_tone[1] = treble;
271	if (bass > 7)
272		bass = (14 - bass) + 8;
273	if (treble > 7)
274		treble = (14 - treble) + 8;
275	awacs_set_cuda(2, (bass << 4) | treble);
276}
277
278/*
279 * vol = 0 - 31 (attenuation), 32 = mute bit, stereo
280 */
281static int awacs_amp_set_vol(struct awacs_amp *amp, int index,
282			     int lvol, int rvol, int do_check)
283{
284	if (do_check && amp->amp_vol[index][0] == lvol &&
285			amp->amp_vol[index][1] == rvol)
286		return 0;
287	awacs_set_cuda(3 + index, lvol);
288	awacs_set_cuda(5 + index, rvol);
289	amp->amp_vol[index][0] = lvol;
290	amp->amp_vol[index][1] = rvol;
291	return 1;
292}
293
294/*
295 * 0 = -79 dB, 79 = 0 dB, 99 = +20 dB
296 */
297static void awacs_amp_set_master(struct awacs_amp *amp, int vol)
298{
299	amp->amp_master = vol;
300	if (vol <= 79)
301		vol = 32 + (79 - vol);
302	else
303		vol = 32 - (vol - 79);
304	awacs_set_cuda(1, vol);
305}
306
307static void awacs_amp_free(struct snd_pmac *chip)
308{
309	struct awacs_amp *amp = chip->mixer_data;
310	if (!amp)
311		return;
312	kfree(amp);
313	chip->mixer_data = NULL;
314	chip->mixer_free = NULL;
315}
316
317
318/*
319 * mixer controls
320 */
321static int snd_pmac_awacs_info_volume_amp(struct snd_kcontrol *kcontrol,
322					  struct snd_ctl_elem_info *uinfo)
323{
324	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
325	uinfo->count = 2;
326	uinfo->value.integer.min = 0;
327	uinfo->value.integer.max = 31;
328	return 0;
329}
330
331static int snd_pmac_awacs_get_volume_amp(struct snd_kcontrol *kcontrol,
332					 struct snd_ctl_elem_value *ucontrol)
333{
334	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
335	int index = kcontrol->private_value;
336	struct awacs_amp *amp = chip->mixer_data;
337
338	ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31);
339	ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31);
340	return 0;
341}
342
343static int snd_pmac_awacs_put_volume_amp(struct snd_kcontrol *kcontrol,
344					 struct snd_ctl_elem_value *ucontrol)
345{
346	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
347	int index = kcontrol->private_value;
348	int vol[2];
349	struct awacs_amp *amp = chip->mixer_data;
350
351	vol[0] = (31 - (ucontrol->value.integer.value[0] & 31))
352		| (amp->amp_vol[index][0] & 32);
353	vol[1] = (31 - (ucontrol->value.integer.value[1] & 31))
354		| (amp->amp_vol[index][1] & 32);
355	return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
356}
357
358static int snd_pmac_awacs_get_switch_amp(struct snd_kcontrol *kcontrol,
359					 struct snd_ctl_elem_value *ucontrol)
360{
361	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
362	int index = kcontrol->private_value;
363	struct awacs_amp *amp = chip->mixer_data;
364
365	ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32)
366					? 0 : 1;
367	ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32)
368					? 0 : 1;
369	return 0;
370}
371
372static int snd_pmac_awacs_put_switch_amp(struct snd_kcontrol *kcontrol,
373					 struct snd_ctl_elem_value *ucontrol)
374{
375	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
376	int index = kcontrol->private_value;
377	int vol[2];
378	struct awacs_amp *amp = chip->mixer_data;
379
380	vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32)
381		| (amp->amp_vol[index][0] & 31);
382	vol[1] = (ucontrol->value.integer.value[1] ? 0 : 32)
383		| (amp->amp_vol[index][1] & 31);
384	return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
385}
386
387static int snd_pmac_awacs_info_tone_amp(struct snd_kcontrol *kcontrol,
388					struct snd_ctl_elem_info *uinfo)
389{
390	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
391	uinfo->count = 1;
392	uinfo->value.integer.min = 0;
393	uinfo->value.integer.max = 14;
394	return 0;
395}
396
397static int snd_pmac_awacs_get_tone_amp(struct snd_kcontrol *kcontrol,
398				       struct snd_ctl_elem_value *ucontrol)
399{
400	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
401	int index = kcontrol->private_value;
402	struct awacs_amp *amp = chip->mixer_data;
403
404	ucontrol->value.integer.value[0] = amp->amp_tone[index];
405	return 0;
406}
407
408static int snd_pmac_awacs_put_tone_amp(struct snd_kcontrol *kcontrol,
409				       struct snd_ctl_elem_value *ucontrol)
410{
411	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
412	int index = kcontrol->private_value;
413	struct awacs_amp *amp = chip->mixer_data;
414	unsigned int val;
415
416	val = ucontrol->value.integer.value[0];
417	if (val > 14)
418		return -EINVAL;
419	if (val != amp->amp_tone[index]) {
420		amp->amp_tone[index] = val;
421		awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
422		return 1;
423	}
424	return 0;
425}
426
427static int snd_pmac_awacs_info_master_amp(struct snd_kcontrol *kcontrol,
428					  struct snd_ctl_elem_info *uinfo)
429{
430	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
431	uinfo->count = 1;
432	uinfo->value.integer.min = 0;
433	uinfo->value.integer.max = 99;
434	return 0;
435}
436
437static int snd_pmac_awacs_get_master_amp(struct snd_kcontrol *kcontrol,
438					 struct snd_ctl_elem_value *ucontrol)
439{
440	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
441	struct awacs_amp *amp = chip->mixer_data;
442
443	ucontrol->value.integer.value[0] = amp->amp_master;
444	return 0;
445}
446
447static int snd_pmac_awacs_put_master_amp(struct snd_kcontrol *kcontrol,
448					 struct snd_ctl_elem_value *ucontrol)
449{
450	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
451	struct awacs_amp *amp = chip->mixer_data;
452	unsigned int val;
453
454	val = ucontrol->value.integer.value[0];
455	if (val > 99)
456		return -EINVAL;
457	if (val != amp->amp_master) {
458		amp->amp_master = val;
459		awacs_amp_set_master(amp, amp->amp_master);
460		return 1;
461	}
462	return 0;
463}
464
465#define AMP_CH_SPK	0
466#define AMP_CH_HD	1
467
468static const struct snd_kcontrol_new snd_pmac_awacs_amp_vol[] = {
469	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
470	  .name = "Speaker Playback Volume",
471	  .info = snd_pmac_awacs_info_volume_amp,
472	  .get = snd_pmac_awacs_get_volume_amp,
473	  .put = snd_pmac_awacs_put_volume_amp,
474	  .private_value = AMP_CH_SPK,
475	},
476	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
477	  .name = "Headphone Playback Volume",
478	  .info = snd_pmac_awacs_info_volume_amp,
479	  .get = snd_pmac_awacs_get_volume_amp,
480	  .put = snd_pmac_awacs_put_volume_amp,
481	  .private_value = AMP_CH_HD,
482	},
483	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
484	  .name = "Tone Control - Bass",
485	  .info = snd_pmac_awacs_info_tone_amp,
486	  .get = snd_pmac_awacs_get_tone_amp,
487	  .put = snd_pmac_awacs_put_tone_amp,
488	  .private_value = 0,
489	},
490	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
491	  .name = "Tone Control - Treble",
492	  .info = snd_pmac_awacs_info_tone_amp,
493	  .get = snd_pmac_awacs_get_tone_amp,
494	  .put = snd_pmac_awacs_put_tone_amp,
495	  .private_value = 1,
496	},
497	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
498	  .name = "Amp Master Playback Volume",
499	  .info = snd_pmac_awacs_info_master_amp,
500	  .get = snd_pmac_awacs_get_master_amp,
501	  .put = snd_pmac_awacs_put_master_amp,
502	},
503};
504
505static const struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw = {
506	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
507	.name = "Headphone Playback Switch",
508	.info = snd_pmac_boolean_stereo_info,
509	.get = snd_pmac_awacs_get_switch_amp,
510	.put = snd_pmac_awacs_put_switch_amp,
511	.private_value = AMP_CH_HD,
512};
513
514static const struct snd_kcontrol_new snd_pmac_awacs_amp_spk_sw = {
515	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
516	.name = "Speaker Playback Switch",
517	.info = snd_pmac_boolean_stereo_info,
518	.get = snd_pmac_awacs_get_switch_amp,
519	.put = snd_pmac_awacs_put_switch_amp,
520	.private_value = AMP_CH_SPK,
521};
522
523#endif /* PMAC_AMP_AVAIL */
524
525
526/*
527 * mic boost for screamer
528 */
529static int snd_pmac_screamer_mic_boost_info(struct snd_kcontrol *kcontrol,
530					    struct snd_ctl_elem_info *uinfo)
531{
532	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
533	uinfo->count = 1;
534	uinfo->value.integer.min = 0;
535	uinfo->value.integer.max = 3;
536	return 0;
537}
538
539static int snd_pmac_screamer_mic_boost_get(struct snd_kcontrol *kcontrol,
540					   struct snd_ctl_elem_value *ucontrol)
541{
542	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
543	int val = 0;
544	unsigned long flags;
545
546	spin_lock_irqsave(&chip->reg_lock, flags);
547	if (chip->awacs_reg[6] & MASK_MIC_BOOST)
548		val |= 2;
549	if (chip->awacs_reg[0] & MASK_GAINLINE)
550		val |= 1;
551	spin_unlock_irqrestore(&chip->reg_lock, flags);
552	ucontrol->value.integer.value[0] = val;
553	return 0;
554}
555
556static int snd_pmac_screamer_mic_boost_put(struct snd_kcontrol *kcontrol,
557					   struct snd_ctl_elem_value *ucontrol)
558{
559	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
560	int changed = 0;
561	int val0, val6;
562	unsigned long flags;
563
564	spin_lock_irqsave(&chip->reg_lock, flags);
565	val0 = chip->awacs_reg[0] & ~MASK_GAINLINE;
566	val6 = chip->awacs_reg[6] & ~MASK_MIC_BOOST;
567	if (ucontrol->value.integer.value[0] & 1)
568		val0 |= MASK_GAINLINE;
569	if (ucontrol->value.integer.value[0] & 2)
570		val6 |= MASK_MIC_BOOST;
571	if (val0 != chip->awacs_reg[0]) {
572		snd_pmac_awacs_write_reg(chip, 0, val0);
573		changed = 1;
574	}
575	if (val6 != chip->awacs_reg[6]) {
576		snd_pmac_awacs_write_reg(chip, 6, val6);
577		changed = 1;
578	}
579	spin_unlock_irqrestore(&chip->reg_lock, flags);
580	return changed;
581}
582
583/*
584 * lists of mixer elements
585 */
586static const struct snd_kcontrol_new snd_pmac_awacs_mixers[] = {
587	AWACS_SWITCH("Master Capture Switch", 1, SHIFT_LOOPTHRU, 0),
588	AWACS_VOLUME("Master Capture Volume", 0, 4, 0),
589/*	AWACS_SWITCH("Unknown Playback Switch", 6, SHIFT_PAROUT0, 0), */
590};
591
592static const struct snd_kcontrol_new snd_pmac_screamer_mixers_beige[] = {
593	AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
594	AWACS_VOLUME("Play-through Playback Volume", 5, 6, 1),
595	AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
596	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_LINE, 0),
597};
598
599static const struct snd_kcontrol_new snd_pmac_screamer_mixers_lo[] = {
600	AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
601};
602
603static const struct snd_kcontrol_new snd_pmac_screamer_mixers_imac[] = {
604	AWACS_VOLUME("Play-through Playback Volume", 5, 6, 1),
605	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
606};
607
608static const struct snd_kcontrol_new snd_pmac_screamer_mixers_g4agp[] = {
609	AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
610	AWACS_VOLUME("Master Playback Volume", 5, 6, 1),
611	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
612	AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
613};
614
615static const struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac7500[] = {
616	AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
617	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
618	AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
619};
620
621static const struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac5500[] = {
622	AWACS_VOLUME("Headphone Playback Volume", 2, 6, 1),
623};
624
625static const struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac[] = {
626	AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
627	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
628};
629
630/* FIXME: is this correct order?
631 * screamer (powerbook G3 pismo) seems to have different bits...
632 */
633static const struct snd_kcontrol_new snd_pmac_awacs_mixers2[] = {
634	AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_LINE, 0),
635	AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_MIC, 0),
636};
637
638static const struct snd_kcontrol_new snd_pmac_screamer_mixers2[] = {
639	AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
640	AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_LINE, 0),
641};
642
643static const struct snd_kcontrol_new snd_pmac_awacs_mixers2_pmac5500[] = {
644	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
645};
646
647static const struct snd_kcontrol_new snd_pmac_awacs_master_sw =
648AWACS_SWITCH("Master Playback Switch", 1, SHIFT_HDMUTE, 1);
649
650static const struct snd_kcontrol_new snd_pmac_awacs_master_sw_imac =
651AWACS_SWITCH("Line out Playback Switch", 1, SHIFT_HDMUTE, 1);
652
653static const struct snd_kcontrol_new snd_pmac_awacs_master_sw_pmac5500 =
654AWACS_SWITCH("Headphone Playback Switch", 1, SHIFT_HDMUTE, 1);
655
656static const struct snd_kcontrol_new snd_pmac_awacs_mic_boost[] = {
657	AWACS_SWITCH("Mic Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
658};
659
660static const struct snd_kcontrol_new snd_pmac_screamer_mic_boost[] = {
661	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
662	  .name = "Mic Boost Capture Volume",
663	  .info = snd_pmac_screamer_mic_boost_info,
664	  .get = snd_pmac_screamer_mic_boost_get,
665	  .put = snd_pmac_screamer_mic_boost_put,
666	},
667};
668
669static const struct snd_kcontrol_new snd_pmac_awacs_mic_boost_pmac7500[] =
670{
671	AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
672};
673
674static const struct snd_kcontrol_new snd_pmac_screamer_mic_boost_beige[] =
675{
676	AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
677	AWACS_SWITCH("CD Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
678};
679
680static const struct snd_kcontrol_new snd_pmac_screamer_mic_boost_imac[] =
681{
682	AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
683	AWACS_SWITCH("Mic Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
684};
685
686static const struct snd_kcontrol_new snd_pmac_awacs_speaker_vol[] = {
687	AWACS_VOLUME("Speaker Playback Volume", 4, 6, 1),
688};
689
690static const struct snd_kcontrol_new snd_pmac_awacs_speaker_sw =
691AWACS_SWITCH("Speaker Playback Switch", 1, SHIFT_SPKMUTE, 1);
692
693static const struct snd_kcontrol_new snd_pmac_awacs_speaker_sw_imac1 =
694AWACS_SWITCH("Speaker Playback Switch", 1, SHIFT_PAROUT1, 1);
695
696static const struct snd_kcontrol_new snd_pmac_awacs_speaker_sw_imac2 =
697AWACS_SWITCH("Speaker Playback Switch", 1, SHIFT_PAROUT1, 0);
698
699
700/*
701 * add new mixer elements to the card
702 */
703static int build_mixers(struct snd_pmac *chip, int nums,
704			const struct snd_kcontrol_new *mixers)
705{
706	int i, err;
707
708	for (i = 0; i < nums; i++) {
709		err = snd_ctl_add(chip->card, snd_ctl_new1(&mixers[i], chip));
710		if (err < 0)
711			return err;
712	}
713	return 0;
714}
715
716
717/*
718 * restore all registers
719 */
720static void awacs_restore_all_regs(struct snd_pmac *chip)
721{
722	snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
723	snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
724	snd_pmac_awacs_write_noreg(chip, 2, chip->awacs_reg[2]);
725	snd_pmac_awacs_write_noreg(chip, 4, chip->awacs_reg[4]);
726	if (chip->model == PMAC_SCREAMER) {
727		snd_pmac_awacs_write_noreg(chip, 5, chip->awacs_reg[5]);
728		snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
729		snd_pmac_awacs_write_noreg(chip, 7, chip->awacs_reg[7]);
730	}
731}
732
733#ifdef CONFIG_PM
734static void snd_pmac_awacs_suspend(struct snd_pmac *chip)
735{
736	snd_pmac_awacs_write_noreg(chip, 1, (chip->awacs_reg[1]
737					     | MASK_AMUTE | MASK_CMUTE));
738}
739
740static void snd_pmac_awacs_resume(struct snd_pmac *chip)
741{
742	if (of_machine_is_compatible("PowerBook3,1")
743	    || of_machine_is_compatible("PowerBook3,2")) {
744		msleep(100);
745		snd_pmac_awacs_write_reg(chip, 1,
746			chip->awacs_reg[1] & ~MASK_PAROUT);
747		msleep(300);
748	}
749
750	awacs_restore_all_regs(chip);
751	if (chip->model == PMAC_SCREAMER) {
752		/* reset power bits in reg 6 */
753		mdelay(5);
754		snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
755	}
756	screamer_recalibrate(chip);
757#ifdef PMAC_AMP_AVAIL
758	if (chip->mixer_data) {
759		struct awacs_amp *amp = chip->mixer_data;
760		awacs_amp_set_vol(amp, 0,
761				  amp->amp_vol[0][0], amp->amp_vol[0][1], 0);
762		awacs_amp_set_vol(amp, 1,
763				  amp->amp_vol[1][0], amp->amp_vol[1][1], 0);
764		awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
765		awacs_amp_set_master(amp, amp->amp_master);
766	}
767#endif
768}
769#endif /* CONFIG_PM */
770
771#define IS_PM7500 (of_machine_is_compatible("AAPL,7500") \
772		|| of_machine_is_compatible("AAPL,8500") \
773		|| of_machine_is_compatible("AAPL,9500"))
774#define IS_PM5500 (of_machine_is_compatible("AAPL,e411"))
775#define IS_BEIGE (of_machine_is_compatible("AAPL,Gossamer"))
776#define IS_IMAC1 (of_machine_is_compatible("PowerMac2,1"))
777#define IS_IMAC2 (of_machine_is_compatible("PowerMac2,2") \
778		|| of_machine_is_compatible("PowerMac4,1"))
779#define IS_G4AGP (of_machine_is_compatible("PowerMac3,1"))
780#define IS_LOMBARD (of_machine_is_compatible("PowerBook1,1"))
781
782static int imac1, imac2;
783
784#ifdef PMAC_SUPPORT_AUTOMUTE
785/*
786 * auto-mute stuffs
787 */
788static int snd_pmac_awacs_detect_headphone(struct snd_pmac *chip)
789{
790	return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
791}
792
793#ifdef PMAC_AMP_AVAIL
794static int toggle_amp_mute(struct awacs_amp *amp, int index, int mute)
795{
796	int vol[2];
797	vol[0] = amp->amp_vol[index][0] & 31;
798	vol[1] = amp->amp_vol[index][1] & 31;
799	if (mute) {
800		vol[0] |= 32;
801		vol[1] |= 32;
802	}
803	return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
804}
805#endif
806
807static void snd_pmac_awacs_update_automute(struct snd_pmac *chip, int do_notify)
808{
809	if (chip->auto_mute) {
810#ifdef PMAC_AMP_AVAIL
811		if (chip->mixer_data) {
812			struct awacs_amp *amp = chip->mixer_data;
813			int changed;
814			if (snd_pmac_awacs_detect_headphone(chip)) {
815				changed = toggle_amp_mute(amp, AMP_CH_HD, 0);
816				changed |= toggle_amp_mute(amp, AMP_CH_SPK, 1);
817			} else {
818				changed = toggle_amp_mute(amp, AMP_CH_HD, 1);
819				changed |= toggle_amp_mute(amp, AMP_CH_SPK, 0);
820			}
821			if (do_notify && ! changed)
822				return;
823		} else
824#endif
825		{
826			int reg = chip->awacs_reg[1]
827				| (MASK_HDMUTE | MASK_SPKMUTE);
828			if (imac1) {
829				reg &= ~MASK_SPKMUTE;
830				reg |= MASK_PAROUT1;
831			} else if (imac2) {
832				reg &= ~MASK_SPKMUTE;
833				reg &= ~MASK_PAROUT1;
834			}
835			if (snd_pmac_awacs_detect_headphone(chip))
836				reg &= ~MASK_HDMUTE;
837			else if (imac1)
838				reg &= ~MASK_PAROUT1;
839			else if (imac2)
840				reg |= MASK_PAROUT1;
841			else
842				reg &= ~MASK_SPKMUTE;
843			if (do_notify && reg == chip->awacs_reg[1])
844				return;
845			snd_pmac_awacs_write_reg(chip, 1, reg);
846		}
847		if (do_notify) {
848			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
849				       &chip->master_sw_ctl->id);
850			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
851				       &chip->speaker_sw_ctl->id);
852			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
853				       &chip->hp_detect_ctl->id);
854		}
855	}
856}
857#endif /* PMAC_SUPPORT_AUTOMUTE */
858
859
860/*
861 * initialize chip
862 */
863int
864snd_pmac_awacs_init(struct snd_pmac *chip)
865{
866	int pm7500 = IS_PM7500;
867	int pm5500 = IS_PM5500;
868	int beige = IS_BEIGE;
869	int g4agp = IS_G4AGP;
870	int lombard = IS_LOMBARD;
871	int imac;
872	int err, vol;
873	struct snd_kcontrol *vmaster_sw, *vmaster_vol;
874	struct snd_kcontrol *master_vol, *speaker_vol;
875
876	imac1 = IS_IMAC1;
877	imac2 = IS_IMAC2;
878	imac = imac1 || imac2;
879	/* looks like MASK_GAINLINE triggers something, so we set here
880	 * as start-up
881	 */
882	chip->awacs_reg[0] = MASK_MUX_CD | 0xff | MASK_GAINLINE;
883	chip->awacs_reg[1] = MASK_CMUTE | MASK_AMUTE;
884	/* FIXME: Only machines with external SRS module need MASK_PAROUT */
885	if (chip->has_iic || chip->device_id == 0x5 ||
886	    /* chip->_device_id == 0x8 || */
887	    chip->device_id == 0xb)
888		chip->awacs_reg[1] |= MASK_PAROUT;
889	/* get default volume from nvram */
890	// vol = (~nvram_read_byte(0x1308) & 7) << 1;
891	// vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 );
892	vol = 0x0f; /* no, on alsa, muted as default */
893	vol = vol + (vol << 6);
894	chip->awacs_reg[2] = vol;
895	chip->awacs_reg[4] = vol;
896	if (chip->model == PMAC_SCREAMER) {
897		/* FIXME: screamer has loopthru vol control */
898		chip->awacs_reg[5] = vol;
899		/* FIXME: maybe should be vol << 3 for PCMCIA speaker */
900		chip->awacs_reg[6] = MASK_MIC_BOOST;
901		chip->awacs_reg[7] = 0;
902	}
903
904	awacs_restore_all_regs(chip);
905	chip->manufacturer = (in_le32(&chip->awacs->codec_stat) >> 8) & 0xf;
906	screamer_recalibrate(chip);
907
908	chip->revision = (in_le32(&chip->awacs->codec_stat) >> 12) & 0xf;
909#ifdef PMAC_AMP_AVAIL
910	if (chip->revision == 3 && chip->has_iic && CHECK_CUDA_AMP()) {
911		struct awacs_amp *amp = kzalloc(sizeof(*amp), GFP_KERNEL);
912		if (! amp)
913			return -ENOMEM;
914		chip->mixer_data = amp;
915		chip->mixer_free = awacs_amp_free;
916		/* mute and zero vol */
917		awacs_amp_set_vol(amp, 0, 63, 63, 0);
918		awacs_amp_set_vol(amp, 1, 63, 63, 0);
919		awacs_amp_set_tone(amp, 7, 7); /* 0 dB */
920		awacs_amp_set_master(amp, 79); /* 0 dB */
921	}
922#endif /* PMAC_AMP_AVAIL */
923
924	if (chip->hp_stat_mask == 0) {
925		/* set headphone-jack detection bit */
926		switch (chip->model) {
927		case PMAC_AWACS:
928			chip->hp_stat_mask = pm7500 || pm5500 ? MASK_HDPCONN
929				: MASK_LOCONN;
930			break;
931		case PMAC_SCREAMER:
932			switch (chip->device_id) {
933			case 0x08:
934			case 0x0B:
935				chip->hp_stat_mask = imac
936					? MASK_LOCONN_IMAC |
937					MASK_HDPLCONN_IMAC |
938					MASK_HDPRCONN_IMAC
939					: MASK_HDPCONN;
940				break;
941			case 0x00:
942			case 0x05:
943				chip->hp_stat_mask = MASK_LOCONN;
944				break;
945			default:
946				chip->hp_stat_mask = MASK_HDPCONN;
947				break;
948			}
949			break;
950		default:
951			snd_BUG();
952			break;
953		}
954	}
955
956	/*
957	 * build mixers
958	 */
959	strcpy(chip->card->mixername, "PowerMac AWACS");
960
961	err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers),
962				snd_pmac_awacs_mixers);
963	if (err < 0)
964		return err;
965	if (beige || g4agp)
966		;
967	else if (chip->model == PMAC_SCREAMER || pm5500)
968		err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mixers2),
969				   snd_pmac_screamer_mixers2);
970	else if (!pm7500)
971		err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers2),
972				   snd_pmac_awacs_mixers2);
973	if (err < 0)
974		return err;
975	if (pm5500) {
976		err = build_mixers(chip,
977				   ARRAY_SIZE(snd_pmac_awacs_mixers2_pmac5500),
978				   snd_pmac_awacs_mixers2_pmac5500);
979		if (err < 0)
980			return err;
981	}
982	master_vol = NULL;
983	if (pm7500)
984		err = build_mixers(chip,
985				   ARRAY_SIZE(snd_pmac_awacs_mixers_pmac7500),
986				   snd_pmac_awacs_mixers_pmac7500);
987	else if (pm5500)
988		err = snd_ctl_add(chip->card,
989		    (master_vol = snd_ctl_new1(snd_pmac_awacs_mixers_pmac5500,
990						chip)));
991	else if (beige)
992		err = build_mixers(chip,
993				   ARRAY_SIZE(snd_pmac_screamer_mixers_beige),
994				   snd_pmac_screamer_mixers_beige);
995	else if (imac || lombard) {
996		err = snd_ctl_add(chip->card,
997		    (master_vol = snd_ctl_new1(snd_pmac_screamer_mixers_lo,
998						chip)));
999		if (err < 0)
1000			return err;
1001		err = build_mixers(chip,
1002				   ARRAY_SIZE(snd_pmac_screamer_mixers_imac),
1003				   snd_pmac_screamer_mixers_imac);
1004	} else if (g4agp)
1005		err = build_mixers(chip,
1006				   ARRAY_SIZE(snd_pmac_screamer_mixers_g4agp),
1007				   snd_pmac_screamer_mixers_g4agp);
1008	else
1009		err = build_mixers(chip,
1010				   ARRAY_SIZE(snd_pmac_awacs_mixers_pmac),
1011				   snd_pmac_awacs_mixers_pmac);
1012	if (err < 0)
1013		return err;
1014	chip->master_sw_ctl = snd_ctl_new1((pm7500 || imac || g4agp || lombard)
1015			? &snd_pmac_awacs_master_sw_imac
1016			: pm5500
1017			? &snd_pmac_awacs_master_sw_pmac5500
1018			: &snd_pmac_awacs_master_sw, chip);
1019	err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1020	if (err < 0)
1021		return err;
1022#ifdef PMAC_AMP_AVAIL
1023	if (chip->mixer_data) {
1024		/* use amplifier.  the signal is connected from route A
1025		 * to the amp.  the amp has its headphone and speaker
1026		 * volumes and mute switches, so we use them instead of
1027		 * screamer registers.
1028		 * in this case, it seems the route C is not used.
1029		 */
1030		err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_amp_vol),
1031					snd_pmac_awacs_amp_vol);
1032		if (err < 0)
1033			return err;
1034		/* overwrite */
1035		chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_hp_sw,
1036							chip);
1037		err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1038		if (err < 0)
1039			return err;
1040		chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_spk_sw,
1041							chip);
1042		err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1043		if (err < 0)
1044			return err;
1045	} else
1046#endif /* PMAC_AMP_AVAIL */
1047	{
1048		/* route A = headphone, route C = speaker */
1049		err = snd_ctl_add(chip->card,
1050		    (speaker_vol = snd_ctl_new1(snd_pmac_awacs_speaker_vol,
1051						chip)));
1052		if (err < 0)
1053			return err;
1054		chip->speaker_sw_ctl = snd_ctl_new1(imac1
1055				? &snd_pmac_awacs_speaker_sw_imac1
1056				: imac2
1057				? &snd_pmac_awacs_speaker_sw_imac2
1058				: &snd_pmac_awacs_speaker_sw, chip);
1059		err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1060		if (err < 0)
1061			return err;
1062	}
1063
1064	if (pm5500 || imac || lombard) {
1065		vmaster_sw = snd_ctl_make_virtual_master(
1066			"Master Playback Switch", (unsigned int *) NULL);
1067		err = snd_ctl_add_follower_uncached(vmaster_sw,
1068						    chip->master_sw_ctl);
1069		if (err < 0)
1070			return err;
1071		err = snd_ctl_add_follower_uncached(vmaster_sw,
1072						    chip->speaker_sw_ctl);
1073		if (err < 0)
1074			return err;
1075		err = snd_ctl_add(chip->card, vmaster_sw);
1076		if (err < 0)
1077			return err;
1078		vmaster_vol = snd_ctl_make_virtual_master(
1079			"Master Playback Volume", (unsigned int *) NULL);
1080		err = snd_ctl_add_follower(vmaster_vol, master_vol);
1081		if (err < 0)
1082			return err;
1083		err = snd_ctl_add_follower(vmaster_vol, speaker_vol);
1084		if (err < 0)
1085			return err;
1086		err = snd_ctl_add(chip->card, vmaster_vol);
1087		if (err < 0)
1088			return err;
1089	}
1090
1091	if (beige || g4agp)
1092		err = build_mixers(chip,
1093				ARRAY_SIZE(snd_pmac_screamer_mic_boost_beige),
1094				snd_pmac_screamer_mic_boost_beige);
1095	else if (imac)
1096		err = build_mixers(chip,
1097				ARRAY_SIZE(snd_pmac_screamer_mic_boost_imac),
1098				snd_pmac_screamer_mic_boost_imac);
1099	else if (chip->model == PMAC_SCREAMER)
1100		err = build_mixers(chip,
1101				ARRAY_SIZE(snd_pmac_screamer_mic_boost),
1102				snd_pmac_screamer_mic_boost);
1103	else if (pm7500)
1104		err = build_mixers(chip,
1105				ARRAY_SIZE(snd_pmac_awacs_mic_boost_pmac7500),
1106				snd_pmac_awacs_mic_boost_pmac7500);
1107	else
1108		err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mic_boost),
1109				snd_pmac_awacs_mic_boost);
1110	if (err < 0)
1111		return err;
1112
1113	/*
1114	 * set lowlevel callbacks
1115	 */
1116	chip->set_format = snd_pmac_awacs_set_format;
1117#ifdef CONFIG_PM
1118	chip->suspend = snd_pmac_awacs_suspend;
1119	chip->resume = snd_pmac_awacs_resume;
1120#endif
1121#ifdef PMAC_SUPPORT_AUTOMUTE
1122	err = snd_pmac_add_automute(chip);
1123	if (err < 0)
1124		return err;
1125	chip->detect_headphone = snd_pmac_awacs_detect_headphone;
1126	chip->update_automute = snd_pmac_awacs_update_automute;
1127	snd_pmac_awacs_update_automute(chip, 0); /* update the status only */
1128#endif
1129	if (chip->model == PMAC_SCREAMER) {
1130		snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
1131		snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
1132	}
1133
1134	return 0;
1135}
1136