xref: /openbmc/linux/sound/ppc/burgundy.c (revision 7f6964c5)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * PMac Burgundy lowlevel functions
4  *
5  * Copyright (c) by Takashi Iwai <tiwai@suse.de>
6  * code based on dmasound.c.
7  */
8 
9 #include <linux/io.h>
10 #include <linux/init.h>
11 #include <linux/delay.h>
12 #include <sound/core.h>
13 #include "pmac.h"
14 #include "burgundy.h"
15 
16 
17 /* Waits for busy flag to clear */
18 static inline void
19 snd_pmac_burgundy_busy_wait(struct snd_pmac *chip)
20 {
21 	int timeout = 50;
22 	while ((in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) && timeout--)
23 		udelay(1);
24 	if (timeout < 0)
25 		printk(KERN_DEBUG "burgundy_busy_wait: timeout\n");
26 }
27 
28 static inline void
29 snd_pmac_burgundy_extend_wait(struct snd_pmac *chip)
30 {
31 	int timeout;
32 	timeout = 50;
33 	while (!(in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
34 		udelay(1);
35 	if (timeout < 0)
36 		printk(KERN_DEBUG "burgundy_extend_wait: timeout #1\n");
37 	timeout = 50;
38 	while ((in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
39 		udelay(1);
40 	if (timeout < 0)
41 		printk(KERN_DEBUG "burgundy_extend_wait: timeout #2\n");
42 }
43 
44 static void
45 snd_pmac_burgundy_wcw(struct snd_pmac *chip, unsigned addr, unsigned val)
46 {
47 	out_le32(&chip->awacs->codec_ctrl, addr + 0x200c00 + (val & 0xff));
48 	snd_pmac_burgundy_busy_wait(chip);
49 	out_le32(&chip->awacs->codec_ctrl, addr + 0x200d00 +((val>>8) & 0xff));
50 	snd_pmac_burgundy_busy_wait(chip);
51 	out_le32(&chip->awacs->codec_ctrl, addr + 0x200e00 +((val>>16) & 0xff));
52 	snd_pmac_burgundy_busy_wait(chip);
53 	out_le32(&chip->awacs->codec_ctrl, addr + 0x200f00 +((val>>24) & 0xff));
54 	snd_pmac_burgundy_busy_wait(chip);
55 }
56 
57 static unsigned
58 snd_pmac_burgundy_rcw(struct snd_pmac *chip, unsigned addr)
59 {
60 	unsigned val = 0;
61 	unsigned long flags;
62 
63 	spin_lock_irqsave(&chip->reg_lock, flags);
64 
65 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
66 	snd_pmac_burgundy_busy_wait(chip);
67 	snd_pmac_burgundy_extend_wait(chip);
68 	val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
69 
70 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100100);
71 	snd_pmac_burgundy_busy_wait(chip);
72 	snd_pmac_burgundy_extend_wait(chip);
73 	val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<8;
74 
75 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100200);
76 	snd_pmac_burgundy_busy_wait(chip);
77 	snd_pmac_burgundy_extend_wait(chip);
78 	val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<16;
79 
80 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100300);
81 	snd_pmac_burgundy_busy_wait(chip);
82 	snd_pmac_burgundy_extend_wait(chip);
83 	val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<24;
84 
85 	spin_unlock_irqrestore(&chip->reg_lock, flags);
86 
87 	return val;
88 }
89 
90 static void
91 snd_pmac_burgundy_wcb(struct snd_pmac *chip, unsigned int addr,
92 		      unsigned int val)
93 {
94 	out_le32(&chip->awacs->codec_ctrl, addr + 0x300000 + (val & 0xff));
95 	snd_pmac_burgundy_busy_wait(chip);
96 }
97 
98 static unsigned
99 snd_pmac_burgundy_rcb(struct snd_pmac *chip, unsigned int addr)
100 {
101 	unsigned val = 0;
102 	unsigned long flags;
103 
104 	spin_lock_irqsave(&chip->reg_lock, flags);
105 
106 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
107 	snd_pmac_burgundy_busy_wait(chip);
108 	snd_pmac_burgundy_extend_wait(chip);
109 	val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
110 
111 	spin_unlock_irqrestore(&chip->reg_lock, flags);
112 
113 	return val;
114 }
115 
116 #define BASE2ADDR(base)	((base) << 12)
117 #define ADDR2BASE(addr)	((addr) >> 12)
118 
119 /*
120  * Burgundy volume: 0 - 100, stereo, word reg
121  */
122 static void
123 snd_pmac_burgundy_write_volume(struct snd_pmac *chip, unsigned int address,
124 			       long *volume, int shift)
125 {
126 	int hardvolume, lvolume, rvolume;
127 
128 	if (volume[0] < 0 || volume[0] > 100 ||
129 	    volume[1] < 0 || volume[1] > 100)
130 		return; /* -EINVAL */
131 	lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
132 	rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
133 
134 	hardvolume = lvolume + (rvolume << shift);
135 	if (shift == 8)
136 		hardvolume |= hardvolume << 16;
137 
138 	snd_pmac_burgundy_wcw(chip, address, hardvolume);
139 }
140 
141 static void
142 snd_pmac_burgundy_read_volume(struct snd_pmac *chip, unsigned int address,
143 			      long *volume, int shift)
144 {
145 	int wvolume;
146 
147 	wvolume = snd_pmac_burgundy_rcw(chip, address);
148 
149 	volume[0] = wvolume & 0xff;
150 	if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
151 		volume[0] -= BURGUNDY_VOLUME_OFFSET;
152 	else
153 		volume[0] = 0;
154 	volume[1] = (wvolume >> shift) & 0xff;
155 	if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
156 		volume[1] -= BURGUNDY_VOLUME_OFFSET;
157 	else
158 		volume[1] = 0;
159 }
160 
161 static int snd_pmac_burgundy_info_volume(struct snd_kcontrol *kcontrol,
162 					 struct snd_ctl_elem_info *uinfo)
163 {
164 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
165 	uinfo->count = 2;
166 	uinfo->value.integer.min = 0;
167 	uinfo->value.integer.max = 100;
168 	return 0;
169 }
170 
171 static int snd_pmac_burgundy_get_volume(struct snd_kcontrol *kcontrol,
172 					struct snd_ctl_elem_value *ucontrol)
173 {
174 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
175 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
176 	int shift = (kcontrol->private_value >> 8) & 0xff;
177 	snd_pmac_burgundy_read_volume(chip, addr,
178 				      ucontrol->value.integer.value, shift);
179 	return 0;
180 }
181 
182 static int snd_pmac_burgundy_put_volume(struct snd_kcontrol *kcontrol,
183 					struct snd_ctl_elem_value *ucontrol)
184 {
185 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
186 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
187 	int shift = (kcontrol->private_value >> 8) & 0xff;
188 	long nvoices[2];
189 
190 	snd_pmac_burgundy_write_volume(chip, addr,
191 				       ucontrol->value.integer.value, shift);
192 	snd_pmac_burgundy_read_volume(chip, addr, nvoices, shift);
193 	return (nvoices[0] != ucontrol->value.integer.value[0] ||
194 		nvoices[1] != ucontrol->value.integer.value[1]);
195 }
196 
197 #define BURGUNDY_VOLUME_W(xname, xindex, addr, shift) \
198 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
199   .info = snd_pmac_burgundy_info_volume,\
200   .get = snd_pmac_burgundy_get_volume,\
201   .put = snd_pmac_burgundy_put_volume,\
202   .private_value = ((ADDR2BASE(addr) & 0xff) | ((shift) << 8)) }
203 
204 /*
205  * Burgundy volume: 0 - 100, stereo, 2-byte reg
206  */
207 static void
208 snd_pmac_burgundy_write_volume_2b(struct snd_pmac *chip, unsigned int address,
209 				  long *volume, int off)
210 {
211 	int lvolume, rvolume;
212 
213 	off |= off << 2;
214 	lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
215 	rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
216 
217 	snd_pmac_burgundy_wcb(chip, address + off, lvolume);
218 	snd_pmac_burgundy_wcb(chip, address + off + 0x500, rvolume);
219 }
220 
221 static void
222 snd_pmac_burgundy_read_volume_2b(struct snd_pmac *chip, unsigned int address,
223 				 long *volume, int off)
224 {
225 	volume[0] = snd_pmac_burgundy_rcb(chip, address + off);
226 	if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
227 		volume[0] -= BURGUNDY_VOLUME_OFFSET;
228 	else
229 		volume[0] = 0;
230 	volume[1] = snd_pmac_burgundy_rcb(chip, address + off + 0x100);
231 	if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
232 		volume[1] -= BURGUNDY_VOLUME_OFFSET;
233 	else
234 		volume[1] = 0;
235 }
236 
237 static int snd_pmac_burgundy_info_volume_2b(struct snd_kcontrol *kcontrol,
238 					    struct snd_ctl_elem_info *uinfo)
239 {
240 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
241 	uinfo->count = 2;
242 	uinfo->value.integer.min = 0;
243 	uinfo->value.integer.max = 100;
244 	return 0;
245 }
246 
247 static int snd_pmac_burgundy_get_volume_2b(struct snd_kcontrol *kcontrol,
248 					   struct snd_ctl_elem_value *ucontrol)
249 {
250 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
251 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
252 	int off = kcontrol->private_value & 0x300;
253 	snd_pmac_burgundy_read_volume_2b(chip, addr,
254 			ucontrol->value.integer.value, off);
255 	return 0;
256 }
257 
258 static int snd_pmac_burgundy_put_volume_2b(struct snd_kcontrol *kcontrol,
259 					   struct snd_ctl_elem_value *ucontrol)
260 {
261 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
262 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
263 	int off = kcontrol->private_value & 0x300;
264 	long nvoices[2];
265 
266 	snd_pmac_burgundy_write_volume_2b(chip, addr,
267 			ucontrol->value.integer.value, off);
268 	snd_pmac_burgundy_read_volume_2b(chip, addr, nvoices, off);
269 	return (nvoices[0] != ucontrol->value.integer.value[0] ||
270 		nvoices[1] != ucontrol->value.integer.value[1]);
271 }
272 
273 #define BURGUNDY_VOLUME_2B(xname, xindex, addr, off) \
274 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
275   .info = snd_pmac_burgundy_info_volume_2b,\
276   .get = snd_pmac_burgundy_get_volume_2b,\
277   .put = snd_pmac_burgundy_put_volume_2b,\
278   .private_value = ((ADDR2BASE(addr) & 0xff) | ((off) << 8)) }
279 
280 /*
281  * Burgundy gain/attenuation: 0 - 15, mono/stereo, byte reg
282  */
283 static int snd_pmac_burgundy_info_gain(struct snd_kcontrol *kcontrol,
284 				       struct snd_ctl_elem_info *uinfo)
285 {
286 	int stereo = (kcontrol->private_value >> 24) & 1;
287 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
288 	uinfo->count = stereo + 1;
289 	uinfo->value.integer.min = 0;
290 	uinfo->value.integer.max = 15;
291 	return 0;
292 }
293 
294 static int snd_pmac_burgundy_get_gain(struct snd_kcontrol *kcontrol,
295 				      struct snd_ctl_elem_value *ucontrol)
296 {
297 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
298 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
299 	int stereo = (kcontrol->private_value >> 24) & 1;
300 	int atten = (kcontrol->private_value >> 25) & 1;
301 	int oval;
302 
303 	oval = snd_pmac_burgundy_rcb(chip, addr);
304 	if (atten)
305 		oval = ~oval & 0xff;
306 	ucontrol->value.integer.value[0] = oval & 0xf;
307 	if (stereo)
308 		ucontrol->value.integer.value[1] = (oval >> 4) & 0xf;
309 	return 0;
310 }
311 
312 static int snd_pmac_burgundy_put_gain(struct snd_kcontrol *kcontrol,
313 				      struct snd_ctl_elem_value *ucontrol)
314 {
315 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
316 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
317 	int stereo = (kcontrol->private_value >> 24) & 1;
318 	int atten = (kcontrol->private_value >> 25) & 1;
319 	int oval, val;
320 
321 	oval = snd_pmac_burgundy_rcb(chip, addr);
322 	if (atten)
323 		oval = ~oval & 0xff;
324 	val = ucontrol->value.integer.value[0];
325 	if (stereo)
326 		val |= ucontrol->value.integer.value[1] << 4;
327 	else
328 		val |= ucontrol->value.integer.value[0] << 4;
329 	if (atten)
330 		val = ~val & 0xff;
331 	snd_pmac_burgundy_wcb(chip, addr, val);
332 	return val != oval;
333 }
334 
335 #define BURGUNDY_VOLUME_B(xname, xindex, addr, stereo, atten) \
336 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
337   .info = snd_pmac_burgundy_info_gain,\
338   .get = snd_pmac_burgundy_get_gain,\
339   .put = snd_pmac_burgundy_put_gain,\
340   .private_value = (ADDR2BASE(addr) | ((stereo) << 24) | ((atten) << 25)) }
341 
342 /*
343  * Burgundy switch: 0/1, mono/stereo, word reg
344  */
345 static int snd_pmac_burgundy_info_switch_w(struct snd_kcontrol *kcontrol,
346 					   struct snd_ctl_elem_info *uinfo)
347 {
348 	int stereo = (kcontrol->private_value >> 24) & 1;
349 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
350 	uinfo->count = stereo + 1;
351 	uinfo->value.integer.min = 0;
352 	uinfo->value.integer.max = 1;
353 	return 0;
354 }
355 
356 static int snd_pmac_burgundy_get_switch_w(struct snd_kcontrol *kcontrol,
357 					  struct snd_ctl_elem_value *ucontrol)
358 {
359 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
360 	unsigned int addr = BASE2ADDR((kcontrol->private_value >> 16) & 0xff);
361 	int lmask = 1 << (kcontrol->private_value & 0xff);
362 	int rmask = 1 << ((kcontrol->private_value >> 8) & 0xff);
363 	int stereo = (kcontrol->private_value >> 24) & 1;
364 	int val = snd_pmac_burgundy_rcw(chip, addr);
365 	ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
366 	if (stereo)
367 		ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
368 	return 0;
369 }
370 
371 static int snd_pmac_burgundy_put_switch_w(struct snd_kcontrol *kcontrol,
372 					  struct snd_ctl_elem_value *ucontrol)
373 {
374 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
375 	unsigned int addr = BASE2ADDR((kcontrol->private_value >> 16) & 0xff);
376 	int lmask = 1 << (kcontrol->private_value & 0xff);
377 	int rmask = 1 << ((kcontrol->private_value >> 8) & 0xff);
378 	int stereo = (kcontrol->private_value >> 24) & 1;
379 	int val, oval;
380 	oval = snd_pmac_burgundy_rcw(chip, addr);
381 	val = oval & ~(lmask | (stereo ? rmask : 0));
382 	if (ucontrol->value.integer.value[0])
383 		val |= lmask;
384 	if (stereo && ucontrol->value.integer.value[1])
385 		val |= rmask;
386 	snd_pmac_burgundy_wcw(chip, addr, val);
387 	return val != oval;
388 }
389 
390 #define BURGUNDY_SWITCH_W(xname, xindex, addr, lbit, rbit, stereo) \
391 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
392   .info = snd_pmac_burgundy_info_switch_w,\
393   .get = snd_pmac_burgundy_get_switch_w,\
394   .put = snd_pmac_burgundy_put_switch_w,\
395   .private_value = ((lbit) | ((rbit) << 8)\
396 		| (ADDR2BASE(addr) << 16) | ((stereo) << 24)) }
397 
398 /*
399  * Burgundy switch: 0/1, mono/stereo, byte reg, bit mask
400  */
401 static int snd_pmac_burgundy_info_switch_b(struct snd_kcontrol *kcontrol,
402 					   struct snd_ctl_elem_info *uinfo)
403 {
404 	int stereo = (kcontrol->private_value >> 24) & 1;
405 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
406 	uinfo->count = stereo + 1;
407 	uinfo->value.integer.min = 0;
408 	uinfo->value.integer.max = 1;
409 	return 0;
410 }
411 
412 static int snd_pmac_burgundy_get_switch_b(struct snd_kcontrol *kcontrol,
413 					  struct snd_ctl_elem_value *ucontrol)
414 {
415 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
416 	unsigned int addr = BASE2ADDR((kcontrol->private_value >> 16) & 0xff);
417 	int lmask = kcontrol->private_value & 0xff;
418 	int rmask = (kcontrol->private_value >> 8) & 0xff;
419 	int stereo = (kcontrol->private_value >> 24) & 1;
420 	int val = snd_pmac_burgundy_rcb(chip, addr);
421 	ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
422 	if (stereo)
423 		ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
424 	return 0;
425 }
426 
427 static int snd_pmac_burgundy_put_switch_b(struct snd_kcontrol *kcontrol,
428 					  struct snd_ctl_elem_value *ucontrol)
429 {
430 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
431 	unsigned int addr = BASE2ADDR((kcontrol->private_value >> 16) & 0xff);
432 	int lmask = kcontrol->private_value & 0xff;
433 	int rmask = (kcontrol->private_value >> 8) & 0xff;
434 	int stereo = (kcontrol->private_value >> 24) & 1;
435 	int val, oval;
436 	oval = snd_pmac_burgundy_rcb(chip, addr);
437 	val = oval & ~(lmask | rmask);
438 	if (ucontrol->value.integer.value[0])
439 		val |= lmask;
440 	if (stereo && ucontrol->value.integer.value[1])
441 		val |= rmask;
442 	snd_pmac_burgundy_wcb(chip, addr, val);
443 	return val != oval;
444 }
445 
446 #define BURGUNDY_SWITCH_B(xname, xindex, addr, lmask, rmask, stereo) \
447 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
448   .info = snd_pmac_burgundy_info_switch_b,\
449   .get = snd_pmac_burgundy_get_switch_b,\
450   .put = snd_pmac_burgundy_put_switch_b,\
451   .private_value = ((lmask) | ((rmask) << 8)\
452 		| (ADDR2BASE(addr) << 16) | ((stereo) << 24)) }
453 
454 /*
455  * Burgundy mixers
456  */
457 static struct snd_kcontrol_new snd_pmac_burgundy_mixers[] = {
458 	BURGUNDY_VOLUME_W("Master Playback Volume", 0,
459 			MASK_ADDR_BURGUNDY_MASTER_VOLUME, 8),
460 	BURGUNDY_VOLUME_W("CD Capture Volume", 0,
461 			MASK_ADDR_BURGUNDY_VOLCD, 16),
462 	BURGUNDY_VOLUME_2B("Input Capture Volume", 0,
463 			MASK_ADDR_BURGUNDY_VOLMIX01, 2),
464 	BURGUNDY_VOLUME_2B("Mixer Playback Volume", 0,
465 			MASK_ADDR_BURGUNDY_VOLMIX23, 0),
466 	BURGUNDY_VOLUME_B("CD Gain Capture Volume", 0,
467 			MASK_ADDR_BURGUNDY_GAINCD, 1, 0),
468 	BURGUNDY_SWITCH_W("Master Capture Switch", 0,
469 			MASK_ADDR_BURGUNDY_OUTPUTENABLES, 24, 0, 0),
470 	BURGUNDY_SWITCH_W("CD Capture Switch", 0,
471 			MASK_ADDR_BURGUNDY_CAPTURESELECTS, 0, 16, 1),
472 	BURGUNDY_SWITCH_W("CD Playback Switch", 0,
473 			MASK_ADDR_BURGUNDY_OUTPUTSELECTS, 0, 16, 1),
474 /*	BURGUNDY_SWITCH_W("Loop Capture Switch", 0,
475  *		MASK_ADDR_BURGUNDY_CAPTURESELECTS, 8, 24, 1),
476  *	BURGUNDY_SWITCH_B("Mixer out Capture Switch", 0,
477  *		MASK_ADDR_BURGUNDY_HOSTIFAD, 0x02, 0, 0),
478  *	BURGUNDY_SWITCH_B("Mixer Capture Switch", 0,
479  *		MASK_ADDR_BURGUNDY_HOSTIFAD, 0x01, 0, 0),
480  *	BURGUNDY_SWITCH_B("PCM out Capture Switch", 0,
481  *		MASK_ADDR_BURGUNDY_HOSTIFEH, 0x02, 0, 0),
482  */	BURGUNDY_SWITCH_B("PCM Capture Switch", 0,
483 			MASK_ADDR_BURGUNDY_HOSTIFEH, 0x01, 0, 0)
484 };
485 static struct snd_kcontrol_new snd_pmac_burgundy_mixers_imac[] = {
486 	BURGUNDY_VOLUME_W("Line in Capture Volume", 0,
487 			MASK_ADDR_BURGUNDY_VOLLINE, 16),
488 	BURGUNDY_VOLUME_W("Mic Capture Volume", 0,
489 			MASK_ADDR_BURGUNDY_VOLMIC, 16),
490 	BURGUNDY_VOLUME_B("Line in Gain Capture Volume", 0,
491 			MASK_ADDR_BURGUNDY_GAINLINE, 1, 0),
492 	BURGUNDY_VOLUME_B("Mic Gain Capture Volume", 0,
493 			MASK_ADDR_BURGUNDY_GAINMIC, 1, 0),
494 	BURGUNDY_VOLUME_B("Speaker Playback Volume", 0,
495 			MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1, 1),
496 	BURGUNDY_VOLUME_B("Line out Playback Volume", 0,
497 			MASK_ADDR_BURGUNDY_ATTENLINEOUT, 1, 1),
498 	BURGUNDY_VOLUME_B("Headphone Playback Volume", 0,
499 			MASK_ADDR_BURGUNDY_ATTENHP, 1, 1),
500 	BURGUNDY_SWITCH_W("Line in Capture Switch", 0,
501 			MASK_ADDR_BURGUNDY_CAPTURESELECTS, 1, 17, 1),
502 	BURGUNDY_SWITCH_W("Mic Capture Switch", 0,
503 			MASK_ADDR_BURGUNDY_CAPTURESELECTS, 2, 18, 1),
504 	BURGUNDY_SWITCH_W("Line in Playback Switch", 0,
505 			MASK_ADDR_BURGUNDY_OUTPUTSELECTS, 1, 17, 1),
506 	BURGUNDY_SWITCH_W("Mic Playback Switch", 0,
507 			MASK_ADDR_BURGUNDY_OUTPUTSELECTS, 2, 18, 1),
508 	BURGUNDY_SWITCH_B("Mic Boost Capture Switch", 0,
509 			MASK_ADDR_BURGUNDY_INPBOOST, 0x40, 0x80, 1)
510 };
511 static struct snd_kcontrol_new snd_pmac_burgundy_mixers_pmac[] = {
512 	BURGUNDY_VOLUME_W("Line in Capture Volume", 0,
513 			MASK_ADDR_BURGUNDY_VOLMIC, 16),
514 	BURGUNDY_VOLUME_B("Line in Gain Capture Volume", 0,
515 			MASK_ADDR_BURGUNDY_GAINMIC, 1, 0),
516 	BURGUNDY_VOLUME_B("Speaker Playback Volume", 0,
517 			MASK_ADDR_BURGUNDY_ATTENMONO, 0, 1),
518 	BURGUNDY_VOLUME_B("Line out Playback Volume", 0,
519 			MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1, 1),
520 	BURGUNDY_SWITCH_W("Line in Capture Switch", 0,
521 			MASK_ADDR_BURGUNDY_CAPTURESELECTS, 2, 18, 1),
522 	BURGUNDY_SWITCH_W("Line in Playback Switch", 0,
523 			MASK_ADDR_BURGUNDY_OUTPUTSELECTS, 2, 18, 1),
524 /*	BURGUNDY_SWITCH_B("Line in Boost Capture Switch", 0,
525  *		MASK_ADDR_BURGUNDY_INPBOOST, 0x40, 0x80, 1) */
526 };
527 static struct snd_kcontrol_new snd_pmac_burgundy_master_sw_imac =
528 BURGUNDY_SWITCH_B("Master Playback Switch", 0,
529 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
530 	BURGUNDY_OUTPUT_LEFT | BURGUNDY_LINEOUT_LEFT | BURGUNDY_HP_LEFT,
531 	BURGUNDY_OUTPUT_RIGHT | BURGUNDY_LINEOUT_RIGHT | BURGUNDY_HP_RIGHT, 1);
532 static struct snd_kcontrol_new snd_pmac_burgundy_master_sw_pmac =
533 BURGUNDY_SWITCH_B("Master Playback Switch", 0,
534 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
535 	BURGUNDY_OUTPUT_INTERN
536 	| BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
537 static struct snd_kcontrol_new snd_pmac_burgundy_speaker_sw_imac =
538 BURGUNDY_SWITCH_B("Speaker Playback Switch", 0,
539 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
540 	BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
541 static struct snd_kcontrol_new snd_pmac_burgundy_speaker_sw_pmac =
542 BURGUNDY_SWITCH_B("Speaker Playback Switch", 0,
543 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
544 	BURGUNDY_OUTPUT_INTERN, 0, 0);
545 static struct snd_kcontrol_new snd_pmac_burgundy_line_sw_imac =
546 BURGUNDY_SWITCH_B("Line out Playback Switch", 0,
547 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
548 	BURGUNDY_LINEOUT_LEFT, BURGUNDY_LINEOUT_RIGHT, 1);
549 static struct snd_kcontrol_new snd_pmac_burgundy_line_sw_pmac =
550 BURGUNDY_SWITCH_B("Line out Playback Switch", 0,
551 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
552 	BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
553 static struct snd_kcontrol_new snd_pmac_burgundy_hp_sw_imac =
554 BURGUNDY_SWITCH_B("Headphone Playback Switch", 0,
555 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
556 	BURGUNDY_HP_LEFT, BURGUNDY_HP_RIGHT, 1);
557 
558 
559 #ifdef PMAC_SUPPORT_AUTOMUTE
560 /*
561  * auto-mute stuffs
562  */
563 static int snd_pmac_burgundy_detect_headphone(struct snd_pmac *chip)
564 {
565 	return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
566 }
567 
568 static void snd_pmac_burgundy_update_automute(struct snd_pmac *chip, int do_notify)
569 {
570 	if (chip->auto_mute) {
571 		int imac = of_machine_is_compatible("iMac");
572 		int reg, oreg;
573 		reg = oreg = snd_pmac_burgundy_rcb(chip,
574 				MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
575 		reg &= imac ? ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT
576 				| BURGUNDY_HP_LEFT | BURGUNDY_HP_RIGHT)
577 			: ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT
578 				| BURGUNDY_OUTPUT_INTERN);
579 		if (snd_pmac_burgundy_detect_headphone(chip))
580 			reg |= imac ? (BURGUNDY_HP_LEFT | BURGUNDY_HP_RIGHT)
581 				: (BURGUNDY_OUTPUT_LEFT
582 					| BURGUNDY_OUTPUT_RIGHT);
583 		else
584 			reg |= imac ? (BURGUNDY_OUTPUT_LEFT
585 					| BURGUNDY_OUTPUT_RIGHT)
586 				: (BURGUNDY_OUTPUT_INTERN);
587 		if (do_notify && reg == oreg)
588 			return;
589 		snd_pmac_burgundy_wcb(chip,
590 				MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, reg);
591 		if (do_notify) {
592 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
593 				       &chip->master_sw_ctl->id);
594 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
595 				       &chip->speaker_sw_ctl->id);
596 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
597 				       &chip->hp_detect_ctl->id);
598 		}
599 	}
600 }
601 #endif /* PMAC_SUPPORT_AUTOMUTE */
602 
603 
604 /*
605  * initialize burgundy
606  */
607 int snd_pmac_burgundy_init(struct snd_pmac *chip)
608 {
609 	int imac = of_machine_is_compatible("iMac");
610 	int i, err;
611 
612 	/* Checks to see the chip is alive and kicking */
613 	if ((in_le32(&chip->awacs->codec_ctrl) & MASK_ERRCODE) == 0xf0000) {
614 		printk(KERN_WARNING "pmac burgundy: disabled by MacOS :-(\n");
615 		return 1;
616 	}
617 
618 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTENABLES,
619 			   DEF_BURGUNDY_OUTPUTENABLES);
620 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
621 			   DEF_BURGUNDY_MORE_OUTPUTENABLES);
622 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTSELECTS,
623 			   DEF_BURGUNDY_OUTPUTSELECTS);
624 
625 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL21,
626 			   DEF_BURGUNDY_INPSEL21);
627 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL3,
628 			   imac ? DEF_BURGUNDY_INPSEL3_IMAC
629 			   : DEF_BURGUNDY_INPSEL3_PMAC);
630 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINCD,
631 			   DEF_BURGUNDY_GAINCD);
632 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINLINE,
633 			   DEF_BURGUNDY_GAINLINE);
634 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMIC,
635 			   DEF_BURGUNDY_GAINMIC);
636 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMODEM,
637 			   DEF_BURGUNDY_GAINMODEM);
638 
639 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENSPEAKER,
640 			   DEF_BURGUNDY_ATTENSPEAKER);
641 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENLINEOUT,
642 			   DEF_BURGUNDY_ATTENLINEOUT);
643 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENHP,
644 			   DEF_BURGUNDY_ATTENHP);
645 
646 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_MASTER_VOLUME,
647 			   DEF_BURGUNDY_MASTER_VOLUME);
648 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLCD,
649 			   DEF_BURGUNDY_VOLCD);
650 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLLINE,
651 			   DEF_BURGUNDY_VOLLINE);
652 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLMIC,
653 			   DEF_BURGUNDY_VOLMIC);
654 
655 	if (chip->hp_stat_mask == 0) {
656 		/* set headphone-jack detection bit */
657 		if (imac)
658 			chip->hp_stat_mask = BURGUNDY_HPDETECT_IMAC_UPPER
659 				| BURGUNDY_HPDETECT_IMAC_LOWER
660 				| BURGUNDY_HPDETECT_IMAC_SIDE;
661 		else
662 			chip->hp_stat_mask = BURGUNDY_HPDETECT_PMAC_BACK;
663 	}
664 	/*
665 	 * build burgundy mixers
666 	 */
667 	strcpy(chip->card->mixername, "PowerMac Burgundy");
668 
669 	for (i = 0; i < ARRAY_SIZE(snd_pmac_burgundy_mixers); i++) {
670 		err = snd_ctl_add(chip->card,
671 		    snd_ctl_new1(&snd_pmac_burgundy_mixers[i], chip));
672 		if (err < 0)
673 			return err;
674 	}
675 	for (i = 0; i < (imac ? ARRAY_SIZE(snd_pmac_burgundy_mixers_imac)
676 			: ARRAY_SIZE(snd_pmac_burgundy_mixers_pmac)); i++) {
677 		err = snd_ctl_add(chip->card,
678 		    snd_ctl_new1(imac ? &snd_pmac_burgundy_mixers_imac[i]
679 		    : &snd_pmac_burgundy_mixers_pmac[i], chip));
680 		if (err < 0)
681 			return err;
682 	}
683 	chip->master_sw_ctl = snd_ctl_new1(imac
684 			? &snd_pmac_burgundy_master_sw_imac
685 			: &snd_pmac_burgundy_master_sw_pmac, chip);
686 	err = snd_ctl_add(chip->card, chip->master_sw_ctl);
687 	if (err < 0)
688 		return err;
689 	chip->master_sw_ctl = snd_ctl_new1(imac
690 			? &snd_pmac_burgundy_line_sw_imac
691 			: &snd_pmac_burgundy_line_sw_pmac, chip);
692 	err = snd_ctl_add(chip->card, chip->master_sw_ctl);
693 	if (err < 0)
694 		return err;
695 	if (imac) {
696 		chip->master_sw_ctl = snd_ctl_new1(
697 				&snd_pmac_burgundy_hp_sw_imac, chip);
698 		err = snd_ctl_add(chip->card, chip->master_sw_ctl);
699 		if (err < 0)
700 			return err;
701 	}
702 	chip->speaker_sw_ctl = snd_ctl_new1(imac
703 			? &snd_pmac_burgundy_speaker_sw_imac
704 			: &snd_pmac_burgundy_speaker_sw_pmac, chip);
705 	err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
706 	if (err < 0)
707 		return err;
708 #ifdef PMAC_SUPPORT_AUTOMUTE
709 	err = snd_pmac_add_automute(chip);
710 	if (err < 0)
711 		return err;
712 
713 	chip->detect_headphone = snd_pmac_burgundy_detect_headphone;
714 	chip->update_automute = snd_pmac_burgundy_update_automute;
715 	snd_pmac_burgundy_update_automute(chip, 0); /* update the status only */
716 #endif
717 
718 	return 0;
719 }
720