1 /*
2  * PMac Burgundy 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 #include <asm/io.h>
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <sound/core.h>
26 #include "pmac.h"
27 #include "burgundy.h"
28 
29 
30 /* Waits for busy flag to clear */
31 static inline void
snd_pmac_burgundy_busy_wait(struct snd_pmac * chip)32 snd_pmac_burgundy_busy_wait(struct snd_pmac *chip)
33 {
34 	int timeout = 50;
35 	while ((in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) && timeout--)
36 		udelay(1);
37 	if (timeout < 0)
38 		printk(KERN_DEBUG "burgundy_busy_wait: timeout\n");
39 }
40 
41 static inline void
snd_pmac_burgundy_extend_wait(struct snd_pmac * chip)42 snd_pmac_burgundy_extend_wait(struct snd_pmac *chip)
43 {
44 	int timeout;
45 	timeout = 50;
46 	while (!(in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
47 		udelay(1);
48 	if (timeout < 0)
49 		printk(KERN_DEBUG "burgundy_extend_wait: timeout #1\n");
50 	timeout = 50;
51 	while ((in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
52 		udelay(1);
53 	if (timeout < 0)
54 		printk(KERN_DEBUG "burgundy_extend_wait: timeout #2\n");
55 }
56 
57 static void
snd_pmac_burgundy_wcw(struct snd_pmac * chip,unsigned addr,unsigned val)58 snd_pmac_burgundy_wcw(struct snd_pmac *chip, unsigned addr, unsigned val)
59 {
60 	out_le32(&chip->awacs->codec_ctrl, addr + 0x200c00 + (val & 0xff));
61 	snd_pmac_burgundy_busy_wait(chip);
62 	out_le32(&chip->awacs->codec_ctrl, addr + 0x200d00 +((val>>8) & 0xff));
63 	snd_pmac_burgundy_busy_wait(chip);
64 	out_le32(&chip->awacs->codec_ctrl, addr + 0x200e00 +((val>>16) & 0xff));
65 	snd_pmac_burgundy_busy_wait(chip);
66 	out_le32(&chip->awacs->codec_ctrl, addr + 0x200f00 +((val>>24) & 0xff));
67 	snd_pmac_burgundy_busy_wait(chip);
68 }
69 
70 static unsigned
snd_pmac_burgundy_rcw(struct snd_pmac * chip,unsigned addr)71 snd_pmac_burgundy_rcw(struct snd_pmac *chip, unsigned addr)
72 {
73 	unsigned val = 0;
74 	unsigned long flags;
75 
76 	spin_lock_irqsave(&chip->reg_lock, flags);
77 
78 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
79 	snd_pmac_burgundy_busy_wait(chip);
80 	snd_pmac_burgundy_extend_wait(chip);
81 	val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
82 
83 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100100);
84 	snd_pmac_burgundy_busy_wait(chip);
85 	snd_pmac_burgundy_extend_wait(chip);
86 	val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<8;
87 
88 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100200);
89 	snd_pmac_burgundy_busy_wait(chip);
90 	snd_pmac_burgundy_extend_wait(chip);
91 	val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<16;
92 
93 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100300);
94 	snd_pmac_burgundy_busy_wait(chip);
95 	snd_pmac_burgundy_extend_wait(chip);
96 	val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<24;
97 
98 	spin_unlock_irqrestore(&chip->reg_lock, flags);
99 
100 	return val;
101 }
102 
103 static void
snd_pmac_burgundy_wcb(struct snd_pmac * chip,unsigned int addr,unsigned int val)104 snd_pmac_burgundy_wcb(struct snd_pmac *chip, unsigned int addr,
105 		      unsigned int val)
106 {
107 	out_le32(&chip->awacs->codec_ctrl, addr + 0x300000 + (val & 0xff));
108 	snd_pmac_burgundy_busy_wait(chip);
109 }
110 
111 static unsigned
snd_pmac_burgundy_rcb(struct snd_pmac * chip,unsigned int addr)112 snd_pmac_burgundy_rcb(struct snd_pmac *chip, unsigned int addr)
113 {
114 	unsigned val = 0;
115 	unsigned long flags;
116 
117 	spin_lock_irqsave(&chip->reg_lock, flags);
118 
119 	out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
120 	snd_pmac_burgundy_busy_wait(chip);
121 	snd_pmac_burgundy_extend_wait(chip);
122 	val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
123 
124 	spin_unlock_irqrestore(&chip->reg_lock, flags);
125 
126 	return val;
127 }
128 
129 #define BASE2ADDR(base)	((base) << 12)
130 #define ADDR2BASE(addr)	((addr) >> 12)
131 
132 /*
133  * Burgundy volume: 0 - 100, stereo, word reg
134  */
135 static void
snd_pmac_burgundy_write_volume(struct snd_pmac * chip,unsigned int address,long * volume,int shift)136 snd_pmac_burgundy_write_volume(struct snd_pmac *chip, unsigned int address,
137 			       long *volume, int shift)
138 {
139 	int hardvolume, lvolume, rvolume;
140 
141 	if (volume[0] < 0 || volume[0] > 100 ||
142 	    volume[1] < 0 || volume[1] > 100)
143 		return; /* -EINVAL */
144 	lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
145 	rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
146 
147 	hardvolume = lvolume + (rvolume << shift);
148 	if (shift == 8)
149 		hardvolume |= hardvolume << 16;
150 
151 	snd_pmac_burgundy_wcw(chip, address, hardvolume);
152 }
153 
154 static void
snd_pmac_burgundy_read_volume(struct snd_pmac * chip,unsigned int address,long * volume,int shift)155 snd_pmac_burgundy_read_volume(struct snd_pmac *chip, unsigned int address,
156 			      long *volume, int shift)
157 {
158 	int wvolume;
159 
160 	wvolume = snd_pmac_burgundy_rcw(chip, address);
161 
162 	volume[0] = wvolume & 0xff;
163 	if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
164 		volume[0] -= BURGUNDY_VOLUME_OFFSET;
165 	else
166 		volume[0] = 0;
167 	volume[1] = (wvolume >> shift) & 0xff;
168 	if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
169 		volume[1] -= BURGUNDY_VOLUME_OFFSET;
170 	else
171 		volume[1] = 0;
172 }
173 
snd_pmac_burgundy_info_volume(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)174 static int snd_pmac_burgundy_info_volume(struct snd_kcontrol *kcontrol,
175 					 struct snd_ctl_elem_info *uinfo)
176 {
177 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
178 	uinfo->count = 2;
179 	uinfo->value.integer.min = 0;
180 	uinfo->value.integer.max = 100;
181 	return 0;
182 }
183 
snd_pmac_burgundy_get_volume(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)184 static int snd_pmac_burgundy_get_volume(struct snd_kcontrol *kcontrol,
185 					struct snd_ctl_elem_value *ucontrol)
186 {
187 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
188 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
189 	int shift = (kcontrol->private_value >> 8) & 0xff;
190 	snd_pmac_burgundy_read_volume(chip, addr,
191 				      ucontrol->value.integer.value, shift);
192 	return 0;
193 }
194 
snd_pmac_burgundy_put_volume(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)195 static int snd_pmac_burgundy_put_volume(struct snd_kcontrol *kcontrol,
196 					struct snd_ctl_elem_value *ucontrol)
197 {
198 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
199 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
200 	int shift = (kcontrol->private_value >> 8) & 0xff;
201 	long nvoices[2];
202 
203 	snd_pmac_burgundy_write_volume(chip, addr,
204 				       ucontrol->value.integer.value, shift);
205 	snd_pmac_burgundy_read_volume(chip, addr, nvoices, shift);
206 	return (nvoices[0] != ucontrol->value.integer.value[0] ||
207 		nvoices[1] != ucontrol->value.integer.value[1]);
208 }
209 
210 #define BURGUNDY_VOLUME_W(xname, xindex, addr, shift) \
211 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
212   .info = snd_pmac_burgundy_info_volume,\
213   .get = snd_pmac_burgundy_get_volume,\
214   .put = snd_pmac_burgundy_put_volume,\
215   .private_value = ((ADDR2BASE(addr) & 0xff) | ((shift) << 8)) }
216 
217 /*
218  * Burgundy volume: 0 - 100, stereo, 2-byte reg
219  */
220 static void
snd_pmac_burgundy_write_volume_2b(struct snd_pmac * chip,unsigned int address,long * volume,int off)221 snd_pmac_burgundy_write_volume_2b(struct snd_pmac *chip, unsigned int address,
222 				  long *volume, int off)
223 {
224 	int lvolume, rvolume;
225 
226 	off |= off << 2;
227 	lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
228 	rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
229 
230 	snd_pmac_burgundy_wcb(chip, address + off, lvolume);
231 	snd_pmac_burgundy_wcb(chip, address + off + 0x500, rvolume);
232 }
233 
234 static void
snd_pmac_burgundy_read_volume_2b(struct snd_pmac * chip,unsigned int address,long * volume,int off)235 snd_pmac_burgundy_read_volume_2b(struct snd_pmac *chip, unsigned int address,
236 				 long *volume, int off)
237 {
238 	volume[0] = snd_pmac_burgundy_rcb(chip, address + off);
239 	if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
240 		volume[0] -= BURGUNDY_VOLUME_OFFSET;
241 	else
242 		volume[0] = 0;
243 	volume[1] = snd_pmac_burgundy_rcb(chip, address + off + 0x100);
244 	if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
245 		volume[1] -= BURGUNDY_VOLUME_OFFSET;
246 	else
247 		volume[1] = 0;
248 }
249 
snd_pmac_burgundy_info_volume_2b(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)250 static int snd_pmac_burgundy_info_volume_2b(struct snd_kcontrol *kcontrol,
251 					    struct snd_ctl_elem_info *uinfo)
252 {
253 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
254 	uinfo->count = 2;
255 	uinfo->value.integer.min = 0;
256 	uinfo->value.integer.max = 100;
257 	return 0;
258 }
259 
snd_pmac_burgundy_get_volume_2b(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)260 static int snd_pmac_burgundy_get_volume_2b(struct snd_kcontrol *kcontrol,
261 					   struct snd_ctl_elem_value *ucontrol)
262 {
263 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
264 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
265 	int off = kcontrol->private_value & 0x300;
266 	snd_pmac_burgundy_read_volume_2b(chip, addr,
267 			ucontrol->value.integer.value, off);
268 	return 0;
269 }
270 
snd_pmac_burgundy_put_volume_2b(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)271 static int snd_pmac_burgundy_put_volume_2b(struct snd_kcontrol *kcontrol,
272 					   struct snd_ctl_elem_value *ucontrol)
273 {
274 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
275 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
276 	int off = kcontrol->private_value & 0x300;
277 	long nvoices[2];
278 
279 	snd_pmac_burgundy_write_volume_2b(chip, addr,
280 			ucontrol->value.integer.value, off);
281 	snd_pmac_burgundy_read_volume_2b(chip, addr, nvoices, off);
282 	return (nvoices[0] != ucontrol->value.integer.value[0] ||
283 		nvoices[1] != ucontrol->value.integer.value[1]);
284 }
285 
286 #define BURGUNDY_VOLUME_2B(xname, xindex, addr, off) \
287 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
288   .info = snd_pmac_burgundy_info_volume_2b,\
289   .get = snd_pmac_burgundy_get_volume_2b,\
290   .put = snd_pmac_burgundy_put_volume_2b,\
291   .private_value = ((ADDR2BASE(addr) & 0xff) | ((off) << 8)) }
292 
293 /*
294  * Burgundy gain/attenuation: 0 - 15, mono/stereo, byte reg
295  */
snd_pmac_burgundy_info_gain(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)296 static int snd_pmac_burgundy_info_gain(struct snd_kcontrol *kcontrol,
297 				       struct snd_ctl_elem_info *uinfo)
298 {
299 	int stereo = (kcontrol->private_value >> 24) & 1;
300 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
301 	uinfo->count = stereo + 1;
302 	uinfo->value.integer.min = 0;
303 	uinfo->value.integer.max = 15;
304 	return 0;
305 }
306 
snd_pmac_burgundy_get_gain(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)307 static int snd_pmac_burgundy_get_gain(struct snd_kcontrol *kcontrol,
308 				      struct snd_ctl_elem_value *ucontrol)
309 {
310 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
311 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
312 	int stereo = (kcontrol->private_value >> 24) & 1;
313 	int atten = (kcontrol->private_value >> 25) & 1;
314 	int oval;
315 
316 	oval = snd_pmac_burgundy_rcb(chip, addr);
317 	if (atten)
318 		oval = ~oval & 0xff;
319 	ucontrol->value.integer.value[0] = oval & 0xf;
320 	if (stereo)
321 		ucontrol->value.integer.value[1] = (oval >> 4) & 0xf;
322 	return 0;
323 }
324 
snd_pmac_burgundy_put_gain(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)325 static int snd_pmac_burgundy_put_gain(struct snd_kcontrol *kcontrol,
326 				      struct snd_ctl_elem_value *ucontrol)
327 {
328 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
329 	unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
330 	int stereo = (kcontrol->private_value >> 24) & 1;
331 	int atten = (kcontrol->private_value >> 25) & 1;
332 	int oval, val;
333 
334 	oval = snd_pmac_burgundy_rcb(chip, addr);
335 	if (atten)
336 		oval = ~oval & 0xff;
337 	val = ucontrol->value.integer.value[0];
338 	if (stereo)
339 		val |= ucontrol->value.integer.value[1] << 4;
340 	else
341 		val |= ucontrol->value.integer.value[0] << 4;
342 	if (atten)
343 		val = ~val & 0xff;
344 	snd_pmac_burgundy_wcb(chip, addr, val);
345 	return val != oval;
346 }
347 
348 #define BURGUNDY_VOLUME_B(xname, xindex, addr, stereo, atten) \
349 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
350   .info = snd_pmac_burgundy_info_gain,\
351   .get = snd_pmac_burgundy_get_gain,\
352   .put = snd_pmac_burgundy_put_gain,\
353   .private_value = (ADDR2BASE(addr) | ((stereo) << 24) | ((atten) << 25)) }
354 
355 /*
356  * Burgundy switch: 0/1, mono/stereo, word reg
357  */
snd_pmac_burgundy_info_switch_w(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)358 static int snd_pmac_burgundy_info_switch_w(struct snd_kcontrol *kcontrol,
359 					   struct snd_ctl_elem_info *uinfo)
360 {
361 	int stereo = (kcontrol->private_value >> 24) & 1;
362 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
363 	uinfo->count = stereo + 1;
364 	uinfo->value.integer.min = 0;
365 	uinfo->value.integer.max = 1;
366 	return 0;
367 }
368 
snd_pmac_burgundy_get_switch_w(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)369 static int snd_pmac_burgundy_get_switch_w(struct snd_kcontrol *kcontrol,
370 					  struct snd_ctl_elem_value *ucontrol)
371 {
372 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
373 	unsigned int addr = BASE2ADDR((kcontrol->private_value >> 16) & 0xff);
374 	int lmask = 1 << (kcontrol->private_value & 0xff);
375 	int rmask = 1 << ((kcontrol->private_value >> 8) & 0xff);
376 	int stereo = (kcontrol->private_value >> 24) & 1;
377 	int val = snd_pmac_burgundy_rcw(chip, addr);
378 	ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
379 	if (stereo)
380 		ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
381 	return 0;
382 }
383 
snd_pmac_burgundy_put_switch_w(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)384 static int snd_pmac_burgundy_put_switch_w(struct snd_kcontrol *kcontrol,
385 					  struct snd_ctl_elem_value *ucontrol)
386 {
387 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
388 	unsigned int addr = BASE2ADDR((kcontrol->private_value >> 16) & 0xff);
389 	int lmask = 1 << (kcontrol->private_value & 0xff);
390 	int rmask = 1 << ((kcontrol->private_value >> 8) & 0xff);
391 	int stereo = (kcontrol->private_value >> 24) & 1;
392 	int val, oval;
393 	oval = snd_pmac_burgundy_rcw(chip, addr);
394 	val = oval & ~(lmask | (stereo ? rmask : 0));
395 	if (ucontrol->value.integer.value[0])
396 		val |= lmask;
397 	if (stereo && ucontrol->value.integer.value[1])
398 		val |= rmask;
399 	snd_pmac_burgundy_wcw(chip, addr, val);
400 	return val != oval;
401 }
402 
403 #define BURGUNDY_SWITCH_W(xname, xindex, addr, lbit, rbit, stereo) \
404 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
405   .info = snd_pmac_burgundy_info_switch_w,\
406   .get = snd_pmac_burgundy_get_switch_w,\
407   .put = snd_pmac_burgundy_put_switch_w,\
408   .private_value = ((lbit) | ((rbit) << 8)\
409 		| (ADDR2BASE(addr) << 16) | ((stereo) << 24)) }
410 
411 /*
412  * Burgundy switch: 0/1, mono/stereo, byte reg, bit mask
413  */
snd_pmac_burgundy_info_switch_b(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)414 static int snd_pmac_burgundy_info_switch_b(struct snd_kcontrol *kcontrol,
415 					   struct snd_ctl_elem_info *uinfo)
416 {
417 	int stereo = (kcontrol->private_value >> 24) & 1;
418 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
419 	uinfo->count = stereo + 1;
420 	uinfo->value.integer.min = 0;
421 	uinfo->value.integer.max = 1;
422 	return 0;
423 }
424 
snd_pmac_burgundy_get_switch_b(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)425 static int snd_pmac_burgundy_get_switch_b(struct snd_kcontrol *kcontrol,
426 					  struct snd_ctl_elem_value *ucontrol)
427 {
428 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
429 	unsigned int addr = BASE2ADDR((kcontrol->private_value >> 16) & 0xff);
430 	int lmask = kcontrol->private_value & 0xff;
431 	int rmask = (kcontrol->private_value >> 8) & 0xff;
432 	int stereo = (kcontrol->private_value >> 24) & 1;
433 	int val = snd_pmac_burgundy_rcb(chip, addr);
434 	ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
435 	if (stereo)
436 		ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
437 	return 0;
438 }
439 
snd_pmac_burgundy_put_switch_b(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)440 static int snd_pmac_burgundy_put_switch_b(struct snd_kcontrol *kcontrol,
441 					  struct snd_ctl_elem_value *ucontrol)
442 {
443 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
444 	unsigned int addr = BASE2ADDR((kcontrol->private_value >> 16) & 0xff);
445 	int lmask = kcontrol->private_value & 0xff;
446 	int rmask = (kcontrol->private_value >> 8) & 0xff;
447 	int stereo = (kcontrol->private_value >> 24) & 1;
448 	int val, oval;
449 	oval = snd_pmac_burgundy_rcb(chip, addr);
450 	val = oval & ~(lmask | rmask);
451 	if (ucontrol->value.integer.value[0])
452 		val |= lmask;
453 	if (stereo && ucontrol->value.integer.value[1])
454 		val |= rmask;
455 	snd_pmac_burgundy_wcb(chip, addr, val);
456 	return val != oval;
457 }
458 
459 #define BURGUNDY_SWITCH_B(xname, xindex, addr, lmask, rmask, stereo) \
460 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
461   .info = snd_pmac_burgundy_info_switch_b,\
462   .get = snd_pmac_burgundy_get_switch_b,\
463   .put = snd_pmac_burgundy_put_switch_b,\
464   .private_value = ((lmask) | ((rmask) << 8)\
465 		| (ADDR2BASE(addr) << 16) | ((stereo) << 24)) }
466 
467 /*
468  * Burgundy mixers
469  */
470 static struct snd_kcontrol_new snd_pmac_burgundy_mixers[] __devinitdata = {
471 	BURGUNDY_VOLUME_W("Master Playback Volume", 0,
472 			MASK_ADDR_BURGUNDY_MASTER_VOLUME, 8),
473 	BURGUNDY_VOLUME_W("CD Capture Volume", 0,
474 			MASK_ADDR_BURGUNDY_VOLCD, 16),
475 	BURGUNDY_VOLUME_2B("Input Capture Volume", 0,
476 			MASK_ADDR_BURGUNDY_VOLMIX01, 2),
477 	BURGUNDY_VOLUME_2B("Mixer Playback Volume", 0,
478 			MASK_ADDR_BURGUNDY_VOLMIX23, 0),
479 	BURGUNDY_VOLUME_B("CD Gain Capture Volume", 0,
480 			MASK_ADDR_BURGUNDY_GAINCD, 1, 0),
481 	BURGUNDY_SWITCH_W("Master Capture Switch", 0,
482 			MASK_ADDR_BURGUNDY_OUTPUTENABLES, 24, 0, 0),
483 	BURGUNDY_SWITCH_W("CD Capture Switch", 0,
484 			MASK_ADDR_BURGUNDY_CAPTURESELECTS, 0, 16, 1),
485 	BURGUNDY_SWITCH_W("CD Playback Switch", 0,
486 			MASK_ADDR_BURGUNDY_OUTPUTSELECTS, 0, 16, 1),
487 /*	BURGUNDY_SWITCH_W("Loop Capture Switch", 0,
488  *		MASK_ADDR_BURGUNDY_CAPTURESELECTS, 8, 24, 1),
489  *	BURGUNDY_SWITCH_B("Mixer out Capture Switch", 0,
490  *		MASK_ADDR_BURGUNDY_HOSTIFAD, 0x02, 0, 0),
491  *	BURGUNDY_SWITCH_B("Mixer Capture Switch", 0,
492  *		MASK_ADDR_BURGUNDY_HOSTIFAD, 0x01, 0, 0),
493  *	BURGUNDY_SWITCH_B("PCM out Capture Switch", 0,
494  *		MASK_ADDR_BURGUNDY_HOSTIFEH, 0x02, 0, 0),
495  */	BURGUNDY_SWITCH_B("PCM Capture Switch", 0,
496 			MASK_ADDR_BURGUNDY_HOSTIFEH, 0x01, 0, 0)
497 };
498 static struct snd_kcontrol_new snd_pmac_burgundy_mixers_imac[] __devinitdata = {
499 	BURGUNDY_VOLUME_W("Line in Capture Volume", 0,
500 			MASK_ADDR_BURGUNDY_VOLLINE, 16),
501 	BURGUNDY_VOLUME_W("Mic Capture Volume", 0,
502 			MASK_ADDR_BURGUNDY_VOLMIC, 16),
503 	BURGUNDY_VOLUME_B("Line in Gain Capture Volume", 0,
504 			MASK_ADDR_BURGUNDY_GAINLINE, 1, 0),
505 	BURGUNDY_VOLUME_B("Mic Gain Capture Volume", 0,
506 			MASK_ADDR_BURGUNDY_GAINMIC, 1, 0),
507 	BURGUNDY_VOLUME_B("Speaker Playback Volume", 0,
508 			MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1, 1),
509 	BURGUNDY_VOLUME_B("Line out Playback Volume", 0,
510 			MASK_ADDR_BURGUNDY_ATTENLINEOUT, 1, 1),
511 	BURGUNDY_VOLUME_B("Headphone Playback Volume", 0,
512 			MASK_ADDR_BURGUNDY_ATTENHP, 1, 1),
513 	BURGUNDY_SWITCH_W("Line in Capture Switch", 0,
514 			MASK_ADDR_BURGUNDY_CAPTURESELECTS, 1, 17, 1),
515 	BURGUNDY_SWITCH_W("Mic Capture Switch", 0,
516 			MASK_ADDR_BURGUNDY_CAPTURESELECTS, 2, 18, 1),
517 	BURGUNDY_SWITCH_W("Line in Playback Switch", 0,
518 			MASK_ADDR_BURGUNDY_OUTPUTSELECTS, 1, 17, 1),
519 	BURGUNDY_SWITCH_W("Mic Playback Switch", 0,
520 			MASK_ADDR_BURGUNDY_OUTPUTSELECTS, 2, 18, 1),
521 	BURGUNDY_SWITCH_B("Mic Boost Capture Switch", 0,
522 			MASK_ADDR_BURGUNDY_INPBOOST, 0x40, 0x80, 1)
523 };
524 static struct snd_kcontrol_new snd_pmac_burgundy_mixers_pmac[] __devinitdata = {
525 	BURGUNDY_VOLUME_W("Line in Capture Volume", 0,
526 			MASK_ADDR_BURGUNDY_VOLMIC, 16),
527 	BURGUNDY_VOLUME_B("Line in Gain Capture Volume", 0,
528 			MASK_ADDR_BURGUNDY_GAINMIC, 1, 0),
529 	BURGUNDY_VOLUME_B("Speaker Playback Volume", 0,
530 			MASK_ADDR_BURGUNDY_ATTENMONO, 0, 1),
531 	BURGUNDY_VOLUME_B("Line out Playback Volume", 0,
532 			MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1, 1),
533 	BURGUNDY_SWITCH_W("Line in Capture Switch", 0,
534 			MASK_ADDR_BURGUNDY_CAPTURESELECTS, 2, 18, 1),
535 	BURGUNDY_SWITCH_W("Line in Playback Switch", 0,
536 			MASK_ADDR_BURGUNDY_OUTPUTSELECTS, 2, 18, 1),
537 /*	BURGUNDY_SWITCH_B("Line in Boost Capture Switch", 0,
538  *		MASK_ADDR_BURGUNDY_INPBOOST, 0x40, 0x80, 1) */
539 };
540 static struct snd_kcontrol_new snd_pmac_burgundy_master_sw_imac __devinitdata =
541 BURGUNDY_SWITCH_B("Master Playback Switch", 0,
542 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
543 	BURGUNDY_OUTPUT_LEFT | BURGUNDY_LINEOUT_LEFT | BURGUNDY_HP_LEFT,
544 	BURGUNDY_OUTPUT_RIGHT | BURGUNDY_LINEOUT_RIGHT | BURGUNDY_HP_RIGHT, 1);
545 static struct snd_kcontrol_new snd_pmac_burgundy_master_sw_pmac __devinitdata =
546 BURGUNDY_SWITCH_B("Master Playback Switch", 0,
547 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
548 	BURGUNDY_OUTPUT_INTERN
549 	| BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
550 static struct snd_kcontrol_new snd_pmac_burgundy_speaker_sw_imac __devinitdata =
551 BURGUNDY_SWITCH_B("Speaker Playback Switch", 0,
552 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
553 	BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
554 static struct snd_kcontrol_new snd_pmac_burgundy_speaker_sw_pmac __devinitdata =
555 BURGUNDY_SWITCH_B("Speaker Playback Switch", 0,
556 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
557 	BURGUNDY_OUTPUT_INTERN, 0, 0);
558 static struct snd_kcontrol_new snd_pmac_burgundy_line_sw_imac __devinitdata =
559 BURGUNDY_SWITCH_B("Line out Playback Switch", 0,
560 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
561 	BURGUNDY_LINEOUT_LEFT, BURGUNDY_LINEOUT_RIGHT, 1);
562 static struct snd_kcontrol_new snd_pmac_burgundy_line_sw_pmac __devinitdata =
563 BURGUNDY_SWITCH_B("Line out Playback Switch", 0,
564 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
565 	BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
566 static struct snd_kcontrol_new snd_pmac_burgundy_hp_sw_imac __devinitdata =
567 BURGUNDY_SWITCH_B("Headphone Playback Switch", 0,
568 	MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
569 	BURGUNDY_HP_LEFT, BURGUNDY_HP_RIGHT, 1);
570 
571 
572 #ifdef PMAC_SUPPORT_AUTOMUTE
573 /*
574  * auto-mute stuffs
575  */
snd_pmac_burgundy_detect_headphone(struct snd_pmac * chip)576 static int snd_pmac_burgundy_detect_headphone(struct snd_pmac *chip)
577 {
578 	return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
579 }
580 
snd_pmac_burgundy_update_automute(struct snd_pmac * chip,int do_notify)581 static void snd_pmac_burgundy_update_automute(struct snd_pmac *chip, int do_notify)
582 {
583 	if (chip->auto_mute) {
584 		int imac = of_machine_is_compatible("iMac");
585 		int reg, oreg;
586 		reg = oreg = snd_pmac_burgundy_rcb(chip,
587 				MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
588 		reg &= imac ? ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT
589 				| BURGUNDY_HP_LEFT | BURGUNDY_HP_RIGHT)
590 			: ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT
591 				| BURGUNDY_OUTPUT_INTERN);
592 		if (snd_pmac_burgundy_detect_headphone(chip))
593 			reg |= imac ? (BURGUNDY_HP_LEFT | BURGUNDY_HP_RIGHT)
594 				: (BURGUNDY_OUTPUT_LEFT
595 					| BURGUNDY_OUTPUT_RIGHT);
596 		else
597 			reg |= imac ? (BURGUNDY_OUTPUT_LEFT
598 					| BURGUNDY_OUTPUT_RIGHT)
599 				: (BURGUNDY_OUTPUT_INTERN);
600 		if (do_notify && reg == oreg)
601 			return;
602 		snd_pmac_burgundy_wcb(chip,
603 				MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, reg);
604 		if (do_notify) {
605 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
606 				       &chip->master_sw_ctl->id);
607 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
608 				       &chip->speaker_sw_ctl->id);
609 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
610 				       &chip->hp_detect_ctl->id);
611 		}
612 	}
613 }
614 #endif /* PMAC_SUPPORT_AUTOMUTE */
615 
616 
617 /*
618  * initialize burgundy
619  */
snd_pmac_burgundy_init(struct snd_pmac * chip)620 int __devinit snd_pmac_burgundy_init(struct snd_pmac *chip)
621 {
622 	int imac = of_machine_is_compatible("iMac");
623 	int i, err;
624 
625 	/* Checks to see the chip is alive and kicking */
626 	if ((in_le32(&chip->awacs->codec_ctrl) & MASK_ERRCODE) == 0xf0000) {
627 		printk(KERN_WARNING "pmac burgundy: disabled by MacOS :-(\n");
628 		return 1;
629 	}
630 
631 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTENABLES,
632 			   DEF_BURGUNDY_OUTPUTENABLES);
633 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
634 			   DEF_BURGUNDY_MORE_OUTPUTENABLES);
635 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTSELECTS,
636 			   DEF_BURGUNDY_OUTPUTSELECTS);
637 
638 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL21,
639 			   DEF_BURGUNDY_INPSEL21);
640 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL3,
641 			   imac ? DEF_BURGUNDY_INPSEL3_IMAC
642 			   : DEF_BURGUNDY_INPSEL3_PMAC);
643 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINCD,
644 			   DEF_BURGUNDY_GAINCD);
645 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINLINE,
646 			   DEF_BURGUNDY_GAINLINE);
647 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMIC,
648 			   DEF_BURGUNDY_GAINMIC);
649 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMODEM,
650 			   DEF_BURGUNDY_GAINMODEM);
651 
652 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENSPEAKER,
653 			   DEF_BURGUNDY_ATTENSPEAKER);
654 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENLINEOUT,
655 			   DEF_BURGUNDY_ATTENLINEOUT);
656 	snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENHP,
657 			   DEF_BURGUNDY_ATTENHP);
658 
659 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_MASTER_VOLUME,
660 			   DEF_BURGUNDY_MASTER_VOLUME);
661 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLCD,
662 			   DEF_BURGUNDY_VOLCD);
663 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLLINE,
664 			   DEF_BURGUNDY_VOLLINE);
665 	snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLMIC,
666 			   DEF_BURGUNDY_VOLMIC);
667 
668 	if (chip->hp_stat_mask == 0) {
669 		/* set headphone-jack detection bit */
670 		if (imac)
671 			chip->hp_stat_mask = BURGUNDY_HPDETECT_IMAC_UPPER
672 				| BURGUNDY_HPDETECT_IMAC_LOWER
673 				| BURGUNDY_HPDETECT_IMAC_SIDE;
674 		else
675 			chip->hp_stat_mask = BURGUNDY_HPDETECT_PMAC_BACK;
676 	}
677 	/*
678 	 * build burgundy mixers
679 	 */
680 	strcpy(chip->card->mixername, "PowerMac Burgundy");
681 
682 	for (i = 0; i < ARRAY_SIZE(snd_pmac_burgundy_mixers); i++) {
683 		err = snd_ctl_add(chip->card,
684 		    snd_ctl_new1(&snd_pmac_burgundy_mixers[i], chip));
685 		if (err < 0)
686 			return err;
687 	}
688 	for (i = 0; i < (imac ? ARRAY_SIZE(snd_pmac_burgundy_mixers_imac)
689 			: ARRAY_SIZE(snd_pmac_burgundy_mixers_pmac)); i++) {
690 		err = snd_ctl_add(chip->card,
691 		    snd_ctl_new1(imac ? &snd_pmac_burgundy_mixers_imac[i]
692 		    : &snd_pmac_burgundy_mixers_pmac[i], chip));
693 		if (err < 0)
694 			return err;
695 	}
696 	chip->master_sw_ctl = snd_ctl_new1(imac
697 			? &snd_pmac_burgundy_master_sw_imac
698 			: &snd_pmac_burgundy_master_sw_pmac, chip);
699 	err = snd_ctl_add(chip->card, chip->master_sw_ctl);
700 	if (err < 0)
701 		return err;
702 	chip->master_sw_ctl = snd_ctl_new1(imac
703 			? &snd_pmac_burgundy_line_sw_imac
704 			: &snd_pmac_burgundy_line_sw_pmac, chip);
705 	err = snd_ctl_add(chip->card, chip->master_sw_ctl);
706 	if (err < 0)
707 		return err;
708 	if (imac) {
709 		chip->master_sw_ctl = snd_ctl_new1(
710 				&snd_pmac_burgundy_hp_sw_imac, chip);
711 		err = snd_ctl_add(chip->card, chip->master_sw_ctl);
712 		if (err < 0)
713 			return err;
714 	}
715 	chip->speaker_sw_ctl = snd_ctl_new1(imac
716 			? &snd_pmac_burgundy_speaker_sw_imac
717 			: &snd_pmac_burgundy_speaker_sw_pmac, chip);
718 	err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
719 	if (err < 0)
720 		return err;
721 #ifdef PMAC_SUPPORT_AUTOMUTE
722 	err = snd_pmac_add_automute(chip);
723 	if (err < 0)
724 		return err;
725 
726 	chip->detect_headphone = snd_pmac_burgundy_detect_headphone;
727 	chip->update_automute = snd_pmac_burgundy_update_automute;
728 	snd_pmac_burgundy_update_automute(chip, 0); /* update the status only */
729 #endif
730 
731 	return 0;
732 }
733