ALSA: snd-powermac: mixers for PowerMac G4 AGP
[linux-2.6.git] / sound / ppc / awacs.c
1 /*
2  * PMac AWACS lowlevel functions
3  *
4  * Copyright (c) by Takashi Iwai <tiwai@suse.de>
5  * code based on dmasound.c.
6  *
7  *   This program is free software; you can redistribute it and/or modify
8  *   it under the terms of the GNU General Public License as published by
9  *   the Free Software Foundation; either version 2 of the License, or
10  *   (at your option) any later version.
11  *
12  *   This program is distributed in the hope that it will be useful,
13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *   GNU General Public License for more details.
16  *
17  *   You should have received a copy of the GNU General Public License
18  *   along with this program; if not, write to the Free Software
19  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
20  */
21
22
23 #include <asm/io.h>
24 #include <asm/nvram.h>
25 #include <linux/init.h>
26 #include <linux/delay.h>
27 #include <linux/slab.h>
28 #include <sound/core.h>
29 #include "pmac.h"
30
31
32 #ifdef CONFIG_ADB_CUDA
33 #define PMAC_AMP_AVAIL
34 #endif
35
36 #ifdef PMAC_AMP_AVAIL
37 struct awacs_amp {
38         unsigned char amp_master;
39         unsigned char amp_vol[2][2];
40         unsigned char amp_tone[2];
41 };
42
43 #define CHECK_CUDA_AMP() (sys_ctrler == SYS_CTRLER_CUDA)
44
45 #endif /* PMAC_AMP_AVAIL */
46
47
48 static void snd_pmac_screamer_wait(struct snd_pmac *chip)
49 {
50         long timeout = 2000;
51         while (!(in_le32(&chip->awacs->codec_stat) & MASK_VALID)) {
52                 mdelay(1);
53                 if (! --timeout) {
54                         snd_printd("snd_pmac_screamer_wait timeout\n");
55                         break;
56                 }
57         }
58 }
59
60 /*
61  * write AWACS register
62  */
63 static void
64 snd_pmac_awacs_write(struct snd_pmac *chip, int val)
65 {
66         long timeout = 5000000;
67
68         if (chip->model == PMAC_SCREAMER)
69                 snd_pmac_screamer_wait(chip);
70         out_le32(&chip->awacs->codec_ctrl, val | (chip->subframe << 22));
71         while (in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) {
72                 if (! --timeout) {
73                         snd_printd("snd_pmac_awacs_write timeout\n");
74                         break;
75                 }
76         }
77 }
78
79 static void
80 snd_pmac_awacs_write_reg(struct snd_pmac *chip, int reg, int val)
81 {
82         snd_pmac_awacs_write(chip, val | (reg << 12));
83         chip->awacs_reg[reg] = val;
84 }
85
86 static void
87 snd_pmac_awacs_write_noreg(struct snd_pmac *chip, int reg, int val)
88 {
89         snd_pmac_awacs_write(chip, val | (reg << 12));
90 }
91
92 #ifdef CONFIG_PM
93 /* Recalibrate chip */
94 static void screamer_recalibrate(struct snd_pmac *chip)
95 {
96         if (chip->model != PMAC_SCREAMER)
97                 return;
98
99         /* Sorry for the horrible delays... I hope to get that improved
100          * by making the whole PM process asynchronous in a future version
101          */
102         snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
103         if (chip->manufacturer == 0x1)
104                 /* delay for broken crystal part */
105                 msleep(750);
106         snd_pmac_awacs_write_noreg(chip, 1,
107                                    chip->awacs_reg[1] | MASK_RECALIBRATE |
108                                    MASK_CMUTE | MASK_AMUTE);
109         snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
110         snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
111 }
112
113 #else
114 #define screamer_recalibrate(chip) /* NOP */
115 #endif
116
117
118 /*
119  * additional callback to set the pcm format
120  */
121 static void snd_pmac_awacs_set_format(struct snd_pmac *chip)
122 {
123         chip->awacs_reg[1] &= ~MASK_SAMPLERATE;
124         chip->awacs_reg[1] |= chip->rate_index << 3;
125         snd_pmac_awacs_write_reg(chip, 1, chip->awacs_reg[1]);
126 }
127
128
129 /*
130  * AWACS volume callbacks
131  */
132 /*
133  * volumes: 0-15 stereo
134  */
135 static int snd_pmac_awacs_info_volume(struct snd_kcontrol *kcontrol,
136                                       struct snd_ctl_elem_info *uinfo)
137 {
138         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
139         uinfo->count = 2;
140         uinfo->value.integer.min = 0;
141         uinfo->value.integer.max = 15;
142         return 0;
143 }
144
145 static int snd_pmac_awacs_get_volume(struct snd_kcontrol *kcontrol,
146                                      struct snd_ctl_elem_value *ucontrol)
147 {
148         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
149         int reg = kcontrol->private_value & 0xff;
150         int lshift = (kcontrol->private_value >> 8) & 0xff;
151         int inverted = (kcontrol->private_value >> 16) & 1;
152         unsigned long flags;
153         int vol[2];
154
155         spin_lock_irqsave(&chip->reg_lock, flags);
156         vol[0] = (chip->awacs_reg[reg] >> lshift) & 0xf;
157         vol[1] = chip->awacs_reg[reg] & 0xf;
158         spin_unlock_irqrestore(&chip->reg_lock, flags);
159         if (inverted) {
160                 vol[0] = 0x0f - vol[0];
161                 vol[1] = 0x0f - vol[1];
162         }
163         ucontrol->value.integer.value[0] = vol[0];
164         ucontrol->value.integer.value[1] = vol[1];
165         return 0;
166 }
167
168 static int snd_pmac_awacs_put_volume(struct snd_kcontrol *kcontrol,
169                                      struct snd_ctl_elem_value *ucontrol)
170 {
171         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
172         int reg = kcontrol->private_value & 0xff;
173         int lshift = (kcontrol->private_value >> 8) & 0xff;
174         int inverted = (kcontrol->private_value >> 16) & 1;
175         int val, oldval;
176         unsigned long flags;
177         unsigned int vol[2];
178
179         vol[0] = ucontrol->value.integer.value[0];
180         vol[1] = ucontrol->value.integer.value[1];
181         if (vol[0] > 0x0f || vol[1] > 0x0f)
182                 return -EINVAL;
183         if (inverted) {
184                 vol[0] = 0x0f - vol[0];
185                 vol[1] = 0x0f - vol[1];
186         }
187         vol[0] &= 0x0f;
188         vol[1] &= 0x0f;
189         spin_lock_irqsave(&chip->reg_lock, flags);
190         oldval = chip->awacs_reg[reg];
191         val = oldval & ~(0xf | (0xf << lshift));
192         val |= vol[0] << lshift;
193         val |= vol[1];
194         if (oldval != val)
195                 snd_pmac_awacs_write_reg(chip, reg, val);
196         spin_unlock_irqrestore(&chip->reg_lock, flags);
197         return oldval != reg;
198 }
199
200
201 #define AWACS_VOLUME(xname, xreg, xshift, xinverted) \
202 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
203   .info = snd_pmac_awacs_info_volume, \
204   .get = snd_pmac_awacs_get_volume, \
205   .put = snd_pmac_awacs_put_volume, \
206   .private_value = (xreg) | ((xshift) << 8) | ((xinverted) << 16) }
207
208 /*
209  * mute master/ogain for AWACS: mono
210  */
211 static int snd_pmac_awacs_get_switch(struct snd_kcontrol *kcontrol,
212                                      struct snd_ctl_elem_value *ucontrol)
213 {
214         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
215         int reg = kcontrol->private_value & 0xff;
216         int shift = (kcontrol->private_value >> 8) & 0xff;
217         int invert = (kcontrol->private_value >> 16) & 1;
218         int val;
219         unsigned long flags;
220
221         spin_lock_irqsave(&chip->reg_lock, flags);
222         val = (chip->awacs_reg[reg] >> shift) & 1;
223         spin_unlock_irqrestore(&chip->reg_lock, flags);
224         if (invert)
225                 val = 1 - val;
226         ucontrol->value.integer.value[0] = val;
227         return 0;
228 }
229
230 static int snd_pmac_awacs_put_switch(struct snd_kcontrol *kcontrol,
231                                      struct snd_ctl_elem_value *ucontrol)
232 {
233         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
234         int reg = kcontrol->private_value & 0xff;
235         int shift = (kcontrol->private_value >> 8) & 0xff;
236         int invert = (kcontrol->private_value >> 16) & 1;
237         int mask = 1 << shift;
238         int val, changed;
239         unsigned long flags;
240
241         spin_lock_irqsave(&chip->reg_lock, flags);
242         val = chip->awacs_reg[reg] & ~mask;
243         if (ucontrol->value.integer.value[0] != invert)
244                 val |= mask;
245         changed = chip->awacs_reg[reg] != val;
246         if (changed)
247                 snd_pmac_awacs_write_reg(chip, reg, val);
248         spin_unlock_irqrestore(&chip->reg_lock, flags);
249         return changed;
250 }
251
252 #define AWACS_SWITCH(xname, xreg, xshift, xinvert) \
253 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
254   .info = snd_pmac_boolean_mono_info, \
255   .get = snd_pmac_awacs_get_switch, \
256   .put = snd_pmac_awacs_put_switch, \
257   .private_value = (xreg) | ((xshift) << 8) | ((xinvert) << 16) }
258
259
260 #ifdef PMAC_AMP_AVAIL
261 /*
262  * controls for perch/whisper extension cards, e.g. G3 desktop
263  *
264  * TDA7433 connected via i2c address 0x45 (= 0x8a),
265  * accessed through cuda
266  */
267 static void awacs_set_cuda(int reg, int val)
268 {
269         struct adb_request req;
270         cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, 0x8a,
271                         reg, val);
272         while (! req.complete)
273                 cuda_poll();
274 }
275
276 /*
277  * level = 0 - 14, 7 = 0 dB
278  */
279 static void awacs_amp_set_tone(struct awacs_amp *amp, int bass, int treble)
280 {
281         amp->amp_tone[0] = bass;
282         amp->amp_tone[1] = treble;
283         if (bass > 7)
284                 bass = (14 - bass) + 8;
285         if (treble > 7)
286                 treble = (14 - treble) + 8;
287         awacs_set_cuda(2, (bass << 4) | treble);
288 }
289
290 /*
291  * vol = 0 - 31 (attenuation), 32 = mute bit, stereo
292  */
293 static int awacs_amp_set_vol(struct awacs_amp *amp, int index,
294                              int lvol, int rvol, int do_check)
295 {
296         if (do_check && amp->amp_vol[index][0] == lvol &&
297                         amp->amp_vol[index][1] == rvol)
298                 return 0;
299         awacs_set_cuda(3 + index, lvol);
300         awacs_set_cuda(5 + index, rvol);
301         amp->amp_vol[index][0] = lvol;
302         amp->amp_vol[index][1] = rvol;
303         return 1;
304 }
305
306 /*
307  * 0 = -79 dB, 79 = 0 dB, 99 = +20 dB
308  */
309 static void awacs_amp_set_master(struct awacs_amp *amp, int vol)
310 {
311         amp->amp_master = vol;
312         if (vol <= 79)
313                 vol = 32 + (79 - vol);
314         else
315                 vol = 32 - (vol - 79);
316         awacs_set_cuda(1, vol);
317 }
318
319 static void awacs_amp_free(struct snd_pmac *chip)
320 {
321         struct awacs_amp *amp = chip->mixer_data;
322         snd_assert(amp, return);
323         kfree(amp);
324         chip->mixer_data = NULL;
325         chip->mixer_free = NULL;
326 }
327
328
329 /*
330  * mixer controls
331  */
332 static int snd_pmac_awacs_info_volume_amp(struct snd_kcontrol *kcontrol,
333                                           struct snd_ctl_elem_info *uinfo)
334 {
335         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
336         uinfo->count = 2;
337         uinfo->value.integer.min = 0;
338         uinfo->value.integer.max = 31;
339         return 0;
340 }
341
342 static int snd_pmac_awacs_get_volume_amp(struct snd_kcontrol *kcontrol,
343                                          struct snd_ctl_elem_value *ucontrol)
344 {
345         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
346         int index = kcontrol->private_value;
347         struct awacs_amp *amp = chip->mixer_data;
348         snd_assert(amp, return -EINVAL);
349         snd_assert(index >= 0 && index <= 1, return -EINVAL);
350         ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31);
351         ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31);
352         return 0;
353 }
354
355 static int snd_pmac_awacs_put_volume_amp(struct snd_kcontrol *kcontrol,
356                                          struct snd_ctl_elem_value *ucontrol)
357 {
358         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
359         int index = kcontrol->private_value;
360         int vol[2];
361         struct awacs_amp *amp = chip->mixer_data;
362         snd_assert(amp, return -EINVAL);
363         snd_assert(index >= 0 && index <= 1, return -EINVAL);
364
365         vol[0] = (31 - (ucontrol->value.integer.value[0] & 31))
366                 | (amp->amp_vol[index][0] & 32);
367         vol[1] = (31 - (ucontrol->value.integer.value[1] & 31))
368                 | (amp->amp_vol[index][1] & 32);
369         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
370 }
371
372 static int snd_pmac_awacs_get_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         struct awacs_amp *amp = chip->mixer_data;
378         snd_assert(amp, return -EINVAL);
379         snd_assert(index >= 0 && index <= 1, return -EINVAL);
380         ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32)
381                                         ? 0 : 1;
382         ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32)
383                                         ? 0 : 1;
384         return 0;
385 }
386
387 static int snd_pmac_awacs_put_switch_amp(struct snd_kcontrol *kcontrol,
388                                          struct snd_ctl_elem_value *ucontrol)
389 {
390         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
391         int index = kcontrol->private_value;
392         int vol[2];
393         struct awacs_amp *amp = chip->mixer_data;
394         snd_assert(amp, return -EINVAL);
395         snd_assert(index >= 0 && index <= 1, return -EINVAL);
396
397         vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32)
398                 | (amp->amp_vol[index][0] & 31);
399         vol[1] = (ucontrol->value.integer.value[1] ? 0 : 32)
400                 | (amp->amp_vol[index][1] & 31);
401         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
402 }
403
404 static int snd_pmac_awacs_info_tone_amp(struct snd_kcontrol *kcontrol,
405                                         struct snd_ctl_elem_info *uinfo)
406 {
407         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
408         uinfo->count = 1;
409         uinfo->value.integer.min = 0;
410         uinfo->value.integer.max = 14;
411         return 0;
412 }
413
414 static int snd_pmac_awacs_get_tone_amp(struct snd_kcontrol *kcontrol,
415                                        struct snd_ctl_elem_value *ucontrol)
416 {
417         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
418         int index = kcontrol->private_value;
419         struct awacs_amp *amp = chip->mixer_data;
420         snd_assert(amp, return -EINVAL);
421         snd_assert(index >= 0 && index <= 1, return -EINVAL);
422         ucontrol->value.integer.value[0] = amp->amp_tone[index];
423         return 0;
424 }
425
426 static int snd_pmac_awacs_put_tone_amp(struct snd_kcontrol *kcontrol,
427                                        struct snd_ctl_elem_value *ucontrol)
428 {
429         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
430         int index = kcontrol->private_value;
431         struct awacs_amp *amp = chip->mixer_data;
432         unsigned int val;
433         snd_assert(amp, return -EINVAL);
434         snd_assert(index >= 0 && index <= 1, return -EINVAL);
435         val = ucontrol->value.integer.value[0];
436         if (val > 14)
437                 return -EINVAL;
438         if (val != amp->amp_tone[index]) {
439                 amp->amp_tone[index] = val;
440                 awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
441                 return 1;
442         }
443         return 0;
444 }
445
446 static int snd_pmac_awacs_info_master_amp(struct snd_kcontrol *kcontrol,
447                                           struct snd_ctl_elem_info *uinfo)
448 {
449         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
450         uinfo->count = 1;
451         uinfo->value.integer.min = 0;
452         uinfo->value.integer.max = 99;
453         return 0;
454 }
455
456 static int snd_pmac_awacs_get_master_amp(struct snd_kcontrol *kcontrol,
457                                          struct snd_ctl_elem_value *ucontrol)
458 {
459         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
460         struct awacs_amp *amp = chip->mixer_data;
461         snd_assert(amp, return -EINVAL);
462         ucontrol->value.integer.value[0] = amp->amp_master;
463         return 0;
464 }
465
466 static int snd_pmac_awacs_put_master_amp(struct snd_kcontrol *kcontrol,
467                                          struct snd_ctl_elem_value *ucontrol)
468 {
469         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
470         struct awacs_amp *amp = chip->mixer_data;
471         unsigned int val;
472         snd_assert(amp, return -EINVAL);
473         val = ucontrol->value.integer.value[0];
474         if (val > 99)
475                 return -EINVAL;
476         if (val != amp->amp_master) {
477                 amp->amp_master = val;
478                 awacs_amp_set_master(amp, amp->amp_master);
479                 return 1;
480         }
481         return 0;
482 }
483
484 #define AMP_CH_SPK      0
485 #define AMP_CH_HD       1
486
487 static struct snd_kcontrol_new snd_pmac_awacs_amp_vol[] __initdata = {
488         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
489           .name = "PC Speaker Playback Volume",
490           .info = snd_pmac_awacs_info_volume_amp,
491           .get = snd_pmac_awacs_get_volume_amp,
492           .put = snd_pmac_awacs_put_volume_amp,
493           .private_value = AMP_CH_SPK,
494         },
495         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
496           .name = "Headphone Playback Volume",
497           .info = snd_pmac_awacs_info_volume_amp,
498           .get = snd_pmac_awacs_get_volume_amp,
499           .put = snd_pmac_awacs_put_volume_amp,
500           .private_value = AMP_CH_HD,
501         },
502         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
503           .name = "Tone Control - Bass",
504           .info = snd_pmac_awacs_info_tone_amp,
505           .get = snd_pmac_awacs_get_tone_amp,
506           .put = snd_pmac_awacs_put_tone_amp,
507           .private_value = 0,
508         },
509         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
510           .name = "Tone Control - Treble",
511           .info = snd_pmac_awacs_info_tone_amp,
512           .get = snd_pmac_awacs_get_tone_amp,
513           .put = snd_pmac_awacs_put_tone_amp,
514           .private_value = 1,
515         },
516         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
517           .name = "Amp Master Playback Volume",
518           .info = snd_pmac_awacs_info_master_amp,
519           .get = snd_pmac_awacs_get_master_amp,
520           .put = snd_pmac_awacs_put_master_amp,
521         },
522 };
523
524 static struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw __initdata = {
525         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
526         .name = "Headphone Playback Switch",
527         .info = snd_pmac_boolean_stereo_info,
528         .get = snd_pmac_awacs_get_switch_amp,
529         .put = snd_pmac_awacs_put_switch_amp,
530         .private_value = AMP_CH_HD,
531 };
532
533 static struct snd_kcontrol_new snd_pmac_awacs_amp_spk_sw __initdata = {
534         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
535         .name = "PC Speaker Playback Switch",
536         .info = snd_pmac_boolean_stereo_info,
537         .get = snd_pmac_awacs_get_switch_amp,
538         .put = snd_pmac_awacs_put_switch_amp,
539         .private_value = AMP_CH_SPK,
540 };
541
542 #endif /* PMAC_AMP_AVAIL */
543
544
545 /*
546  * mic boost for screamer
547  */
548 static int snd_pmac_screamer_mic_boost_info(struct snd_kcontrol *kcontrol,
549                                             struct snd_ctl_elem_info *uinfo)
550 {
551         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
552         uinfo->count = 1;
553         uinfo->value.integer.min = 0;
554         uinfo->value.integer.max = 3;
555         return 0;
556 }
557
558 static int snd_pmac_screamer_mic_boost_get(struct snd_kcontrol *kcontrol,
559                                            struct snd_ctl_elem_value *ucontrol)
560 {
561         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
562         int val = 0;
563         unsigned long flags;
564
565         spin_lock_irqsave(&chip->reg_lock, flags);
566         if (chip->awacs_reg[6] & MASK_MIC_BOOST)
567                 val |= 2;
568         if (chip->awacs_reg[0] & MASK_GAINLINE)
569                 val |= 1;
570         spin_unlock_irqrestore(&chip->reg_lock, flags);
571         ucontrol->value.integer.value[0] = val;
572         return 0;
573 }
574
575 static int snd_pmac_screamer_mic_boost_put(struct snd_kcontrol *kcontrol,
576                                            struct snd_ctl_elem_value *ucontrol)
577 {
578         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
579         int changed = 0;
580         int val0, val6;
581         unsigned long flags;
582
583         spin_lock_irqsave(&chip->reg_lock, flags);
584         val0 = chip->awacs_reg[0] & ~MASK_GAINLINE;
585         val6 = chip->awacs_reg[6] & ~MASK_MIC_BOOST;
586         if (ucontrol->value.integer.value[0] & 1)
587                 val0 |= MASK_GAINLINE;
588         if (ucontrol->value.integer.value[0] & 2)
589                 val6 |= MASK_MIC_BOOST;
590         if (val0 != chip->awacs_reg[0]) {
591                 snd_pmac_awacs_write_reg(chip, 0, val0);
592                 changed = 1;
593         }
594         if (val6 != chip->awacs_reg[6]) {
595                 snd_pmac_awacs_write_reg(chip, 6, val6);
596                 changed = 1;
597         }
598         spin_unlock_irqrestore(&chip->reg_lock, flags);
599         return changed;
600 }
601
602 /*
603  * lists of mixer elements
604  */
605 static struct snd_kcontrol_new snd_pmac_awacs_mixers[] __initdata = {
606         AWACS_SWITCH("Master Capture Switch", 1, SHIFT_LOOPTHRU, 0),
607         AWACS_VOLUME("Master Capture Volume", 0, 4, 0),
608 /*      AWACS_SWITCH("Unknown Playback Switch", 6, SHIFT_PAROUT0, 0), */
609 };
610
611 static struct snd_kcontrol_new snd_pmac_screamer_mixers_beige[] __initdata = {
612         AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
613         AWACS_VOLUME("Play-through Playback Volume", 5, 6, 1),
614         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
615         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_LINE, 0),
616 };
617
618 static struct snd_kcontrol_new snd_pmac_screamer_mixers_imac[] __initdata = {
619         AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
620         AWACS_VOLUME("Master Playback Volume", 5, 6, 1),
621         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
622 };
623
624 static struct snd_kcontrol_new snd_pmac_screamer_mixers_g4agp[] __initdata = {
625         AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
626         AWACS_VOLUME("Master Playback Volume", 5, 6, 1),
627         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
628         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
629 };
630
631 static struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac7500[] __initdata = {
632         AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
633         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
634         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
635 };
636
637 static struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac[] __initdata = {
638         AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
639         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
640 };
641
642 /* FIXME: is this correct order?
643  * screamer (powerbook G3 pismo) seems to have different bits...
644  */
645 static struct snd_kcontrol_new snd_pmac_awacs_mixers2[] __initdata = {
646         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_LINE, 0),
647         AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_MIC, 0),
648 };
649
650 static struct snd_kcontrol_new snd_pmac_screamer_mixers2[] __initdata = {
651         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
652         AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_LINE, 0),
653 };
654
655 static struct snd_kcontrol_new snd_pmac_awacs_master_sw __initdata =
656 AWACS_SWITCH("Master Playback Switch", 1, SHIFT_HDMUTE, 1);
657
658 static struct snd_kcontrol_new snd_pmac_awacs_master_sw_imac __initdata =
659 AWACS_SWITCH("Line out Playback Switch", 1, SHIFT_HDMUTE, 1);
660
661 static struct snd_kcontrol_new snd_pmac_awacs_mic_boost[] __initdata = {
662         AWACS_SWITCH("Mic Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
663 };
664
665 static struct snd_kcontrol_new snd_pmac_screamer_mic_boost[] __initdata = {
666         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
667           .name = "Mic Boost Capture Volume",
668           .info = snd_pmac_screamer_mic_boost_info,
669           .get = snd_pmac_screamer_mic_boost_get,
670           .put = snd_pmac_screamer_mic_boost_put,
671         },
672 };
673
674 static struct snd_kcontrol_new snd_pmac_awacs_mic_boost_pmac7500[] __initdata =
675 {
676         AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
677 };
678
679 static struct snd_kcontrol_new snd_pmac_screamer_mic_boost_beige[] __initdata =
680 {
681         AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
682         AWACS_SWITCH("CD Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
683 };
684
685 static struct snd_kcontrol_new snd_pmac_screamer_mic_boost_imac[] __initdata =
686 {
687         AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
688         AWACS_SWITCH("Mic Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
689 };
690
691 static struct snd_kcontrol_new snd_pmac_awacs_speaker_vol[] __initdata = {
692         AWACS_VOLUME("PC Speaker Playback Volume", 4, 6, 1),
693 };
694
695 static struct snd_kcontrol_new snd_pmac_awacs_speaker_sw __initdata =
696 AWACS_SWITCH("PC Speaker Playback Switch", 1, SHIFT_SPKMUTE, 1);
697
698 static struct snd_kcontrol_new snd_pmac_awacs_speaker_sw_imac __initdata =
699 AWACS_SWITCH("PC Speaker Playback Switch", 1, SHIFT_PAROUT1, 0);
700
701
702 /*
703  * add new mixer elements to the card
704  */
705 static int build_mixers(struct snd_pmac *chip, int nums,
706                         struct snd_kcontrol_new *mixers)
707 {
708         int i, err;
709
710         for (i = 0; i < nums; i++) {
711                 err = snd_ctl_add(chip->card, snd_ctl_new1(&mixers[i], chip));
712                 if (err < 0)
713                         return err;
714         }
715         return 0;
716 }
717
718
719 /*
720  * restore all registers
721  */
722 static void awacs_restore_all_regs(struct snd_pmac *chip)
723 {
724         snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
725         snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
726         snd_pmac_awacs_write_noreg(chip, 2, chip->awacs_reg[2]);
727         snd_pmac_awacs_write_noreg(chip, 4, chip->awacs_reg[4]);
728         if (chip->model == PMAC_SCREAMER) {
729                 snd_pmac_awacs_write_noreg(chip, 5, chip->awacs_reg[5]);
730                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
731                 snd_pmac_awacs_write_noreg(chip, 7, chip->awacs_reg[7]);
732         }
733 }
734
735 #ifdef CONFIG_PM
736 static void snd_pmac_awacs_suspend(struct snd_pmac *chip)
737 {
738         snd_pmac_awacs_write_noreg(chip, 1, (chip->awacs_reg[1]
739                                              | MASK_AMUTE | MASK_CMUTE));
740 }
741
742 static void snd_pmac_awacs_resume(struct snd_pmac *chip)
743 {
744         if (machine_is_compatible("PowerBook3,1")
745             || machine_is_compatible("PowerBook3,2")) {
746                 msleep(100);
747                 snd_pmac_awacs_write_reg(chip, 1,
748                         chip->awacs_reg[1] & ~MASK_PAROUT);
749                 msleep(300);
750         }
751
752         awacs_restore_all_regs(chip);
753         if (chip->model == PMAC_SCREAMER) {
754                 /* reset power bits in reg 6 */
755                 mdelay(5);
756                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
757         }
758         screamer_recalibrate(chip);
759 #ifdef PMAC_AMP_AVAIL
760         if (chip->mixer_data) {
761                 struct awacs_amp *amp = chip->mixer_data;
762                 awacs_amp_set_vol(amp, 0,
763                                   amp->amp_vol[0][0], amp->amp_vol[0][1], 0);
764                 awacs_amp_set_vol(amp, 1,
765                                   amp->amp_vol[1][0], amp->amp_vol[1][1], 0);
766                 awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
767                 awacs_amp_set_master(amp, amp->amp_master);
768         }
769 #endif
770 }
771 #endif /* CONFIG_PM */
772
773 #define IS_PM7500 (machine_is_compatible("AAPL,7500"))
774 #define IS_BEIGE (machine_is_compatible("AAPL,Gossamer"))
775 #define IS_IMAC (machine_is_compatible("PowerMac2,1") \
776                 || machine_is_compatible("PowerMac2,2") \
777                 || machine_is_compatible("PowerMac4,1"))
778 #define IS_G4AGP (machine_is_compatible("PowerMac3,1"))
779
780 static int imac;
781
782 #ifdef PMAC_SUPPORT_AUTOMUTE
783 /*
784  * auto-mute stuffs
785  */
786 static int snd_pmac_awacs_detect_headphone(struct snd_pmac *chip)
787 {
788         return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
789 }
790
791 #ifdef PMAC_AMP_AVAIL
792 static int toggle_amp_mute(struct awacs_amp *amp, int index, int mute)
793 {
794         int vol[2];
795         vol[0] = amp->amp_vol[index][0] & 31;
796         vol[1] = amp->amp_vol[index][1] & 31;
797         if (mute) {
798                 vol[0] |= 32;
799                 vol[1] |= 32;
800         }
801         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
802 }
803 #endif
804
805 static void snd_pmac_awacs_update_automute(struct snd_pmac *chip, int do_notify)
806 {
807         if (chip->auto_mute) {
808 #ifdef PMAC_AMP_AVAIL
809                 if (chip->mixer_data) {
810                         struct awacs_amp *amp = chip->mixer_data;
811                         int changed;
812                         if (snd_pmac_awacs_detect_headphone(chip)) {
813                                 changed = toggle_amp_mute(amp, AMP_CH_HD, 0);
814                                 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 1);
815                         } else {
816                                 changed = toggle_amp_mute(amp, AMP_CH_HD, 1);
817                                 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 0);
818                         }
819                         if (do_notify && ! changed)
820                                 return;
821                 } else
822 #endif
823                 {
824                         int reg = chip->awacs_reg[1]
825                                 | (MASK_HDMUTE | MASK_SPKMUTE);
826                         if (imac) {
827                                 reg &= ~MASK_SPKMUTE;
828                                 reg &= ~MASK_PAROUT1;
829                         }
830                         if (snd_pmac_awacs_detect_headphone(chip))
831                                 reg &= ~MASK_HDMUTE;
832                         else if (imac)
833                                 reg |= MASK_PAROUT1;
834                         else
835                                 reg &= ~MASK_SPKMUTE;
836                         if (do_notify && reg == chip->awacs_reg[1])
837                                 return;
838                         snd_pmac_awacs_write_reg(chip, 1, reg);
839                 }
840                 if (do_notify) {
841                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
842                                        &chip->master_sw_ctl->id);
843                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
844                                        &chip->speaker_sw_ctl->id);
845                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
846                                        &chip->hp_detect_ctl->id);
847                 }
848         }
849 }
850 #endif /* PMAC_SUPPORT_AUTOMUTE */
851
852
853 /*
854  * initialize chip
855  */
856 int __init
857 snd_pmac_awacs_init(struct snd_pmac *chip)
858 {
859         int pm7500 = IS_PM7500;
860         int beige = IS_BEIGE;
861         int g4agp = IS_G4AGP;
862         int err, vol;
863
864         imac = IS_IMAC;
865         /* looks like MASK_GAINLINE triggers something, so we set here
866          * as start-up
867          */
868         chip->awacs_reg[0] = MASK_MUX_CD | 0xff | MASK_GAINLINE;
869         chip->awacs_reg[1] = MASK_CMUTE | MASK_AMUTE;
870         /* FIXME: Only machines with external SRS module need MASK_PAROUT */
871         if (chip->has_iic || chip->device_id == 0x5 ||
872             /* chip->_device_id == 0x8 || */
873             chip->device_id == 0xb)
874                 chip->awacs_reg[1] |= MASK_PAROUT;
875         /* get default volume from nvram */
876         // vol = (~nvram_read_byte(0x1308) & 7) << 1;
877         // vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 );
878         vol = 0x0f; /* no, on alsa, muted as default */
879         vol = vol + (vol << 6);
880         chip->awacs_reg[2] = vol;
881         chip->awacs_reg[4] = vol;
882         if (chip->model == PMAC_SCREAMER) {
883                 /* FIXME: screamer has loopthru vol control */
884                 chip->awacs_reg[5] = vol;
885                 /* FIXME: maybe should be vol << 3 for PCMCIA speaker */
886                 chip->awacs_reg[6] = MASK_MIC_BOOST;
887                 chip->awacs_reg[7] = 0;
888         }
889
890         awacs_restore_all_regs(chip);
891         chip->manufacturer = (in_le32(&chip->awacs->codec_stat) >> 8) & 0xf;
892         screamer_recalibrate(chip);
893
894         chip->revision = (in_le32(&chip->awacs->codec_stat) >> 12) & 0xf;
895 #ifdef PMAC_AMP_AVAIL
896         if (chip->revision == 3 && chip->has_iic && CHECK_CUDA_AMP()) {
897                 struct awacs_amp *amp = kzalloc(sizeof(*amp), GFP_KERNEL);
898                 if (! amp)
899                         return -ENOMEM;
900                 chip->mixer_data = amp;
901                 chip->mixer_free = awacs_amp_free;
902                 /* mute and zero vol */
903                 awacs_amp_set_vol(amp, 0, 63, 63, 0);
904                 awacs_amp_set_vol(amp, 1, 63, 63, 0);
905                 awacs_amp_set_tone(amp, 7, 7); /* 0 dB */
906                 awacs_amp_set_master(amp, 79); /* 0 dB */
907         }
908 #endif /* PMAC_AMP_AVAIL */
909
910         if (chip->hp_stat_mask == 0) {
911                 /* set headphone-jack detection bit */
912                 switch (chip->model) {
913                 case PMAC_AWACS:
914                         chip->hp_stat_mask = pm7500 ? MASK_HDPCONN
915                                 : MASK_LOCONN;
916                         break;
917                 case PMAC_SCREAMER:
918                         switch (chip->device_id) {
919                         case 0x08:
920                         case 0x0B:
921                                 chip->hp_stat_mask = imac
922                                         ? MASK_LOCONN_IMAC |
923                                         MASK_HDPLCONN_IMAC |
924                                         MASK_HDPRCONN_IMAC
925                                         : MASK_HDPCONN;
926                                 break;
927                         case 0x00:
928                         case 0x05:
929                                 chip->hp_stat_mask = MASK_LOCONN;
930                                 break;
931                         default:
932                                 chip->hp_stat_mask = MASK_HDPCONN;
933                                 break;
934                         }
935                         break;
936                 default:
937                         snd_BUG();
938                         break;
939                 }
940         }
941
942         /*
943          * build mixers
944          */
945         strcpy(chip->card->mixername, "PowerMac AWACS");
946
947         err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers),
948                                 snd_pmac_awacs_mixers);
949         if (err < 0)
950                 return err;
951         if (beige || g4agp)
952                 ;
953         else if (chip->model == PMAC_SCREAMER)
954                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mixers2),
955                                    snd_pmac_screamer_mixers2);
956         else if (!pm7500)
957                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers2),
958                                    snd_pmac_awacs_mixers2);
959         if (err < 0)
960                 return err;
961         if (pm7500)
962                 err = build_mixers(chip,
963                                    ARRAY_SIZE(snd_pmac_awacs_mixers_pmac7500),
964                                    snd_pmac_awacs_mixers_pmac7500);
965         else if (beige)
966                 err = build_mixers(chip,
967                                    ARRAY_SIZE(snd_pmac_screamer_mixers_beige),
968                                    snd_pmac_screamer_mixers_beige);
969         else if (imac)
970                 err = build_mixers(chip,
971                                    ARRAY_SIZE(snd_pmac_screamer_mixers_imac),
972                                    snd_pmac_screamer_mixers_imac);
973         else if (g4agp)
974                 err = build_mixers(chip,
975                                    ARRAY_SIZE(snd_pmac_screamer_mixers_g4agp),
976                                    snd_pmac_screamer_mixers_g4agp);
977         else
978                 err = build_mixers(chip,
979                                    ARRAY_SIZE(snd_pmac_awacs_mixers_pmac),
980                                    snd_pmac_awacs_mixers_pmac);
981         if (err < 0)
982                 return err;
983         chip->master_sw_ctl = snd_ctl_new1((pm7500 || imac || g4agp)
984                         ? &snd_pmac_awacs_master_sw_imac
985                         : &snd_pmac_awacs_master_sw, chip);
986         err = snd_ctl_add(chip->card, chip->master_sw_ctl);
987         if (err < 0)
988                 return err;
989 #ifdef PMAC_AMP_AVAIL
990         if (chip->mixer_data) {
991                 /* use amplifier.  the signal is connected from route A
992                  * to the amp.  the amp has its headphone and speaker
993                  * volumes and mute switches, so we use them instead of
994                  * screamer registers.
995                  * in this case, it seems the route C is not used.
996                  */
997                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_amp_vol),
998                                         snd_pmac_awacs_amp_vol);
999                 if (err < 0)
1000                         return err;
1001                 /* overwrite */
1002                 chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_hp_sw,
1003                                                         chip);
1004                 err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1005                 if (err < 0)
1006                         return err;
1007                 chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_spk_sw,
1008                                                         chip);
1009                 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1010                 if (err < 0)
1011                         return err;
1012         } else
1013 #endif /* PMAC_AMP_AVAIL */
1014         {
1015                 /* route A = headphone, route C = speaker */
1016                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_speaker_vol),
1017                                         snd_pmac_awacs_speaker_vol);
1018                 if (err < 0)
1019                         return err;
1020                 chip->speaker_sw_ctl = snd_ctl_new1(imac
1021                                 ? &snd_pmac_awacs_speaker_sw_imac
1022                                 : &snd_pmac_awacs_speaker_sw, chip);
1023                 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1024                 if (err < 0)
1025                         return err;
1026         }
1027
1028         if (beige || g4agp)
1029                 err = build_mixers(chip,
1030                                 ARRAY_SIZE(snd_pmac_screamer_mic_boost_beige),
1031                                 snd_pmac_screamer_mic_boost_beige);
1032         else if (imac)
1033                 err = build_mixers(chip,
1034                                 ARRAY_SIZE(snd_pmac_screamer_mic_boost_imac),
1035                                 snd_pmac_screamer_mic_boost_imac);
1036         else if (chip->model == PMAC_SCREAMER)
1037                 err = build_mixers(chip,
1038                                 ARRAY_SIZE(snd_pmac_screamer_mic_boost),
1039                                 snd_pmac_screamer_mic_boost);
1040         else if (pm7500)
1041                 err = build_mixers(chip,
1042                                 ARRAY_SIZE(snd_pmac_awacs_mic_boost_pmac7500),
1043                                 snd_pmac_awacs_mic_boost_pmac7500);
1044         else
1045                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mic_boost),
1046                                 snd_pmac_awacs_mic_boost);
1047         if (err < 0)
1048                 return err;
1049
1050         /*
1051          * set lowlevel callbacks
1052          */
1053         chip->set_format = snd_pmac_awacs_set_format;
1054 #ifdef CONFIG_PM
1055         chip->suspend = snd_pmac_awacs_suspend;
1056         chip->resume = snd_pmac_awacs_resume;
1057 #endif
1058 #ifdef PMAC_SUPPORT_AUTOMUTE
1059         err = snd_pmac_add_automute(chip);
1060         if (err < 0)
1061                 return err;
1062         chip->detect_headphone = snd_pmac_awacs_detect_headphone;
1063         chip->update_automute = snd_pmac_awacs_update_automute;
1064         snd_pmac_awacs_update_automute(chip, 0); /* update the status only */
1065 #endif
1066         if (chip->model == PMAC_SCREAMER) {
1067                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
1068                 snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
1069         }
1070
1071         return 0;
1072 }