2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal routines for AK4531 codec
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <sound/driver.h>
23 #include <linux/delay.h>
24 #include <linux/init.h>
25 #include <linux/slab.h>
26 #include <linux/mutex.h>
28 #include <sound/core.h>
29 #include <sound/ak4531_codec.h>
31 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
32 MODULE_DESCRIPTION("Universal routines for AK4531 codec");
33 MODULE_LICENSE("GPL");
36 static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531);
38 #define snd_ak4531_proc_init(card,ak)
47 static void snd_ak4531_dump(struct snd_ak4531 *ak4531)
51 for (idx = 0; idx < 0x19; idx++)
52 printk("ak4531 0x%x: 0x%x\n", idx, ak4531->regs[idx]);
61 #define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \
62 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
63 .info = snd_ak4531_info_single, \
64 .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
65 .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22) }
67 static int snd_ak4531_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
69 int mask = (kcontrol->private_value >> 24) & 0xff;
71 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
73 uinfo->value.integer.min = 0;
74 uinfo->value.integer.max = mask;
78 static int snd_ak4531_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
80 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
81 int reg = kcontrol->private_value & 0xff;
82 int shift = (kcontrol->private_value >> 16) & 0x07;
83 int mask = (kcontrol->private_value >> 24) & 0xff;
84 int invert = (kcontrol->private_value >> 22) & 1;
87 mutex_lock(&ak4531->reg_mutex);
88 val = (ak4531->regs[reg] >> shift) & mask;
89 mutex_unlock(&ak4531->reg_mutex);
93 ucontrol->value.integer.value[0] = val;
97 static int snd_ak4531_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
99 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
100 int reg = kcontrol->private_value & 0xff;
101 int shift = (kcontrol->private_value >> 16) & 0x07;
102 int mask = (kcontrol->private_value >> 24) & 0xff;
103 int invert = (kcontrol->private_value >> 22) & 1;
107 val = ucontrol->value.integer.value[0] & mask;
112 mutex_lock(&ak4531->reg_mutex);
113 val = (ak4531->regs[reg] & ~(mask << shift)) | val;
114 change = val != ak4531->regs[reg];
115 ak4531->write(ak4531, reg, ak4531->regs[reg] = val);
116 mutex_unlock(&ak4531->reg_mutex);
120 #define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \
121 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
122 .info = snd_ak4531_info_double, \
123 .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
124 .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22) }
126 static int snd_ak4531_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
128 int mask = (kcontrol->private_value >> 24) & 0xff;
130 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
132 uinfo->value.integer.min = 0;
133 uinfo->value.integer.max = mask;
137 static int snd_ak4531_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
139 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
140 int left_reg = kcontrol->private_value & 0xff;
141 int right_reg = (kcontrol->private_value >> 8) & 0xff;
142 int left_shift = (kcontrol->private_value >> 16) & 0x07;
143 int right_shift = (kcontrol->private_value >> 19) & 0x07;
144 int mask = (kcontrol->private_value >> 24) & 0xff;
145 int invert = (kcontrol->private_value >> 22) & 1;
148 mutex_lock(&ak4531->reg_mutex);
149 left = (ak4531->regs[left_reg] >> left_shift) & mask;
150 right = (ak4531->regs[right_reg] >> right_shift) & mask;
151 mutex_unlock(&ak4531->reg_mutex);
154 right = mask - right;
156 ucontrol->value.integer.value[0] = left;
157 ucontrol->value.integer.value[1] = right;
161 static int snd_ak4531_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
163 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
164 int left_reg = kcontrol->private_value & 0xff;
165 int right_reg = (kcontrol->private_value >> 8) & 0xff;
166 int left_shift = (kcontrol->private_value >> 16) & 0x07;
167 int right_shift = (kcontrol->private_value >> 19) & 0x07;
168 int mask = (kcontrol->private_value >> 24) & 0xff;
169 int invert = (kcontrol->private_value >> 22) & 1;
173 left = ucontrol->value.integer.value[0] & mask;
174 right = ucontrol->value.integer.value[1] & mask;
177 right = mask - right;
180 right <<= right_shift;
181 mutex_lock(&ak4531->reg_mutex);
182 if (left_reg == right_reg) {
183 left = (ak4531->regs[left_reg] & ~((mask << left_shift) | (mask << right_shift))) | left | right;
184 change = left != ak4531->regs[left_reg];
185 ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
187 left = (ak4531->regs[left_reg] & ~(mask << left_shift)) | left;
188 right = (ak4531->regs[right_reg] & ~(mask << right_shift)) | right;
189 change = left != ak4531->regs[left_reg] || right != ak4531->regs[right_reg];
190 ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
191 ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right);
193 mutex_unlock(&ak4531->reg_mutex);
197 #define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \
198 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
199 .info = snd_ak4531_info_input_sw, \
200 .get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \
201 .private_value = reg1 | (reg2 << 8) | (left_shift << 16) | (right_shift << 24) }
203 static int snd_ak4531_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
205 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
207 uinfo->value.integer.min = 0;
208 uinfo->value.integer.max = 1;
212 static int snd_ak4531_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
214 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
215 int reg1 = kcontrol->private_value & 0xff;
216 int reg2 = (kcontrol->private_value >> 8) & 0xff;
217 int left_shift = (kcontrol->private_value >> 16) & 0x0f;
218 int right_shift = (kcontrol->private_value >> 24) & 0x0f;
220 mutex_lock(&ak4531->reg_mutex);
221 ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1;
222 ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1;
223 ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1;
224 ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1;
225 mutex_unlock(&ak4531->reg_mutex);
229 static int snd_ak4531_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
231 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
232 int reg1 = kcontrol->private_value & 0xff;
233 int reg2 = (kcontrol->private_value >> 8) & 0xff;
234 int left_shift = (kcontrol->private_value >> 16) & 0x0f;
235 int right_shift = (kcontrol->private_value >> 24) & 0x0f;
239 mutex_lock(&ak4531->reg_mutex);
240 val1 = ak4531->regs[reg1] & ~((1 << left_shift) | (1 << right_shift));
241 val2 = ak4531->regs[reg2] & ~((1 << left_shift) | (1 << right_shift));
242 val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
243 val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
244 val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
245 val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
246 change = val1 != ak4531->regs[reg1] || val2 != ak4531->regs[reg2];
247 ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1);
248 ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2);
249 mutex_unlock(&ak4531->reg_mutex);
253 static struct snd_kcontrol_new snd_ak4531_controls[] = {
255 AK4531_DOUBLE("Master Playback Switch", 0, AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1),
256 AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1),
258 AK4531_SINGLE("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1),
259 AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1),
261 AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1),
262 AK4531_DOUBLE("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1),
263 AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0),
264 AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0),
266 AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1),
267 AK4531_DOUBLE("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1),
268 AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0),
269 AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5),
271 AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1),
272 AK4531_DOUBLE("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1),
273 AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0),
274 AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1),
276 AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1),
277 AK4531_DOUBLE("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1),
278 AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0),
279 AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3),
281 AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1),
282 AK4531_DOUBLE("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1),
283 AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0),
284 AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3),
286 AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1),
287 AK4531_SINGLE("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1),
288 AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0),
289 AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0),
291 AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1),
292 AK4531_SINGLE("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1),
293 AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0),
294 AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0),
296 AK4531_SINGLE("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1),
297 AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1),
298 AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0),
299 AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0),
301 AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0),
302 AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0),
303 AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0),
305 AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0),
306 AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0)
309 static int snd_ak4531_free(struct snd_ak4531 *ak4531)
312 if (ak4531->private_free)
313 ak4531->private_free(ak4531);
319 static int snd_ak4531_dev_free(struct snd_device *device)
321 struct snd_ak4531 *ak4531 = device->device_data;
322 return snd_ak4531_free(ak4531);
325 static u8 snd_ak4531_initial_map[0x19 + 1] = {
326 0x9f, /* 00: Master Volume Lch */
327 0x9f, /* 01: Master Volume Rch */
328 0x9f, /* 02: Voice Volume Lch */
329 0x9f, /* 03: Voice Volume Rch */
330 0x9f, /* 04: FM Volume Lch */
331 0x9f, /* 05: FM Volume Rch */
332 0x9f, /* 06: CD Audio Volume Lch */
333 0x9f, /* 07: CD Audio Volume Rch */
334 0x9f, /* 08: Line Volume Lch */
335 0x9f, /* 09: Line Volume Rch */
336 0x9f, /* 0a: Aux Volume Lch */
337 0x9f, /* 0b: Aux Volume Rch */
338 0x9f, /* 0c: Mono1 Volume */
339 0x9f, /* 0d: Mono2 Volume */
340 0x9f, /* 0e: Mic Volume */
341 0x87, /* 0f: Mono-out Volume */
342 0x00, /* 10: Output Mixer SW1 */
343 0x00, /* 11: Output Mixer SW2 */
344 0x00, /* 12: Lch Input Mixer SW1 */
345 0x00, /* 13: Rch Input Mixer SW1 */
346 0x00, /* 14: Lch Input Mixer SW2 */
347 0x00, /* 15: Rch Input Mixer SW2 */
348 0x00, /* 16: Reset & Power Down */
349 0x00, /* 17: Clock Select */
350 0x00, /* 18: AD Input Select */
351 0x01 /* 19: Mic Amp Setup */
354 int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
355 struct snd_ak4531 **rak4531)
359 struct snd_ak4531 *ak4531;
360 static struct snd_device_ops ops = {
361 .dev_free = snd_ak4531_dev_free,
364 snd_assert(rak4531 != NULL, return -EINVAL);
366 snd_assert(card != NULL && _ak4531 != NULL, return -EINVAL);
367 ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL);
371 mutex_init(&ak4531->reg_mutex);
372 if ((err = snd_component_add(card, "AK4531")) < 0) {
373 snd_ak4531_free(ak4531);
376 strcpy(card->mixername, "Asahi Kasei AK4531");
377 ak4531->write(ak4531, AK4531_RESET, 0x03); /* no RST, PD */
379 ak4531->write(ak4531, AK4531_CLOCK, 0x00); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */
380 for (idx = 0; idx <= 0x19; idx++) {
381 if (idx == AK4531_RESET || idx == AK4531_CLOCK)
383 ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]); /* recording source is mixer */
385 for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) {
386 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) {
387 snd_ak4531_free(ak4531);
391 snd_ak4531_proc_init(card, ak4531);
392 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) {
393 snd_ak4531_free(ak4531);
398 snd_ak4531_dump(ak4531);
408 void snd_ak4531_suspend(struct snd_ak4531 *ak4531)
411 ak4531->write(ak4531, AK4531_LMASTER, 0x9f);
412 ak4531->write(ak4531, AK4531_RMASTER, 0x9f);
414 ak4531->write(ak4531, AK4531_RESET, 0x01);
417 void snd_ak4531_resume(struct snd_ak4531 *ak4531)
422 ak4531->write(ak4531, AK4531_RESET, 0x03);
424 ak4531->write(ak4531, AK4531_CLOCK, 0x00);
425 /* restore mixer registers */
426 for (idx = 0; idx <= 0x19; idx++) {
427 if (idx == AK4531_RESET || idx == AK4531_CLOCK)
429 ak4531->write(ak4531, idx, ak4531->regs[idx]);
434 #ifdef CONFIG_PROC_FS
439 static void snd_ak4531_proc_read(struct snd_info_entry *entry,
440 struct snd_info_buffer *buffer)
442 struct snd_ak4531 *ak4531 = entry->private_data;
444 snd_iprintf(buffer, "Asahi Kasei AK4531\n\n");
445 snd_iprintf(buffer, "Recording source : %s\n"
447 ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer",
448 ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB");
451 static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531)
453 struct snd_info_entry *entry;
455 if (! snd_card_proc_new(card, "ak4531", &entry))
456 snd_info_set_text_ops(entry, ak4531, 1024, snd_ak4531_proc_read);
460 EXPORT_SYMBOL(snd_ak4531_mixer);
462 EXPORT_SYMBOL(snd_ak4531_suspend);
463 EXPORT_SYMBOL(snd_ak4531_resume);
470 static int __init alsa_ak4531_init(void)
475 static void __exit alsa_ak4531_exit(void)
479 module_init(alsa_ak4531_init)
480 module_exit(alsa_ak4531_exit)