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 <sound/core.h>
27 #include <sound/ak4531_codec.h>
29 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
30 MODULE_DESCRIPTION("Universal routines for AK4531 codec");
31 MODULE_LICENSE("GPL");
33 static void snd_ak4531_proc_init(snd_card_t
* card
, ak4531_t
* ak4531
);
41 static void snd_ak4531_dump(ak4531_t
*ak4531
)
45 for (idx
= 0; idx
< 0x19; idx
++)
46 printk("ak4531 0x%x: 0x%x\n", idx
, ak4531
->regs
[idx
]);
55 #define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \
56 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
57 .info = snd_ak4531_info_single, \
58 .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
59 .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22) }
61 static int snd_ak4531_info_single(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_info_t
* uinfo
)
63 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
65 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
67 uinfo
->value
.integer
.min
= 0;
68 uinfo
->value
.integer
.max
= mask
;
72 static int snd_ak4531_get_single(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
74 ak4531_t
*ak4531
= snd_kcontrol_chip(kcontrol
);
76 int reg
= kcontrol
->private_value
& 0xff;
77 int shift
= (kcontrol
->private_value
>> 16) & 0x07;
78 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
79 int invert
= (kcontrol
->private_value
>> 22) & 1;
82 spin_lock_irqsave(&ak4531
->reg_lock
, flags
);
83 val
= (ak4531
->regs
[reg
] >> shift
) & mask
;
84 spin_unlock_irqrestore(&ak4531
->reg_lock
, flags
);
88 ucontrol
->value
.integer
.value
[0] = val
;
92 static int snd_ak4531_put_single(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
94 ak4531_t
*ak4531
= snd_kcontrol_chip(kcontrol
);
96 int reg
= kcontrol
->private_value
& 0xff;
97 int shift
= (kcontrol
->private_value
>> 16) & 0x07;
98 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
99 int invert
= (kcontrol
->private_value
>> 22) & 1;
103 val
= ucontrol
->value
.integer
.value
[0] & mask
;
108 spin_lock_irqsave(&ak4531
->reg_lock
, flags
);
109 val
= (ak4531
->regs
[reg
] & ~(mask
<< shift
)) | val
;
110 change
= val
!= ak4531
->regs
[reg
];
111 ak4531
->write(ak4531
, reg
, ak4531
->regs
[reg
] = val
);
112 spin_unlock_irqrestore(&ak4531
->reg_lock
, flags
);
116 #define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \
117 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
118 .info = snd_ak4531_info_double, \
119 .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
120 .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22) }
122 static int snd_ak4531_info_double(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_info_t
* uinfo
)
124 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
126 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
128 uinfo
->value
.integer
.min
= 0;
129 uinfo
->value
.integer
.max
= mask
;
133 static int snd_ak4531_get_double(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
135 ak4531_t
*ak4531
= snd_kcontrol_chip(kcontrol
);
137 int left_reg
= kcontrol
->private_value
& 0xff;
138 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
139 int left_shift
= (kcontrol
->private_value
>> 16) & 0x07;
140 int right_shift
= (kcontrol
->private_value
>> 19) & 0x07;
141 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
142 int invert
= (kcontrol
->private_value
>> 22) & 1;
145 spin_lock_irqsave(&ak4531
->reg_lock
, flags
);
146 left
= (ak4531
->regs
[left_reg
] >> left_shift
) & mask
;
147 right
= (ak4531
->regs
[right_reg
] >> right_shift
) & mask
;
148 spin_unlock_irqrestore(&ak4531
->reg_lock
, flags
);
151 right
= mask
- right
;
153 ucontrol
->value
.integer
.value
[0] = left
;
154 ucontrol
->value
.integer
.value
[1] = right
;
158 static int snd_ak4531_put_double(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
160 ak4531_t
*ak4531
= snd_kcontrol_chip(kcontrol
);
162 int left_reg
= kcontrol
->private_value
& 0xff;
163 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
164 int left_shift
= (kcontrol
->private_value
>> 16) & 0x07;
165 int right_shift
= (kcontrol
->private_value
>> 19) & 0x07;
166 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
167 int invert
= (kcontrol
->private_value
>> 22) & 1;
171 left
= ucontrol
->value
.integer
.value
[0] & mask
;
172 right
= ucontrol
->value
.integer
.value
[1] & mask
;
175 right
= mask
- right
;
178 right
<<= right_shift
;
179 spin_lock_irqsave(&ak4531
->reg_lock
, flags
);
180 if (left_reg
== right_reg
) {
181 left
= (ak4531
->regs
[left_reg
] & ~((mask
<< left_shift
) | (mask
<< right_shift
))) | left
| right
;
182 change
= left
!= ak4531
->regs
[left_reg
];
183 ak4531
->write(ak4531
, left_reg
, ak4531
->regs
[left_reg
] = left
);
185 left
= (ak4531
->regs
[left_reg
] & ~(mask
<< left_shift
)) | left
;
186 right
= (ak4531
->regs
[right_reg
] & ~(mask
<< right_shift
)) | right
;
187 change
= left
!= ak4531
->regs
[left_reg
] || right
!= ak4531
->regs
[right_reg
];
188 ak4531
->write(ak4531
, left_reg
, ak4531
->regs
[left_reg
] = left
);
189 ak4531
->write(ak4531
, right_reg
, ak4531
->regs
[right_reg
] = right
);
191 spin_unlock_irqrestore(&ak4531
->reg_lock
, flags
);
195 #define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \
196 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
197 .info = snd_ak4531_info_input_sw, \
198 .get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \
199 .private_value = reg1 | (reg2 << 8) | (left_shift << 16) | (right_shift << 24) }
201 static int snd_ak4531_info_input_sw(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_info_t
* uinfo
)
203 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
205 uinfo
->value
.integer
.min
= 0;
206 uinfo
->value
.integer
.max
= 1;
210 static int snd_ak4531_get_input_sw(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
212 ak4531_t
*ak4531
= snd_kcontrol_chip(kcontrol
);
214 int reg1
= kcontrol
->private_value
& 0xff;
215 int reg2
= (kcontrol
->private_value
>> 8) & 0xff;
216 int left_shift
= (kcontrol
->private_value
>> 16) & 0x0f;
217 int right_shift
= (kcontrol
->private_value
>> 24) & 0x0f;
219 spin_lock_irqsave(&ak4531
->reg_lock
, flags
);
220 ucontrol
->value
.integer
.value
[0] = (ak4531
->regs
[reg1
] >> left_shift
) & 1;
221 ucontrol
->value
.integer
.value
[1] = (ak4531
->regs
[reg2
] >> left_shift
) & 1;
222 ucontrol
->value
.integer
.value
[2] = (ak4531
->regs
[reg1
] >> right_shift
) & 1;
223 ucontrol
->value
.integer
.value
[3] = (ak4531
->regs
[reg2
] >> right_shift
) & 1;
224 spin_unlock_irqrestore(&ak4531
->reg_lock
, flags
);
228 static int snd_ak4531_put_input_sw(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
230 ak4531_t
*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 spin_lock_irqsave(&ak4531
->reg_lock
, flags
);
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 spin_unlock_irqrestore(&ak4531
->reg_lock
, flags
);
253 static snd_kcontrol_new_t 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(ak4531_t
*ak4531
)
312 if (ak4531
->private_free
)
313 ak4531
->private_free(ak4531
);
319 static int snd_ak4531_dev_free(snd_device_t
*device
)
321 ak4531_t
*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(snd_card_t
* card
, ak4531_t
* _ak4531
, ak4531_t
** rak4531
)
359 static snd_device_ops_t ops
= {
360 .dev_free
= snd_ak4531_dev_free
,
363 snd_assert(rak4531
!= NULL
, return -EINVAL
);
365 snd_assert(card
!= NULL
&& _ak4531
!= NULL
, return -EINVAL
);
366 ak4531
= kcalloc(1, sizeof(*ak4531
), GFP_KERNEL
);
370 spin_lock_init(&ak4531
->reg_lock
);
371 if ((err
= snd_component_add(card
, "AK4531")) < 0) {
372 snd_ak4531_free(ak4531
);
375 strcpy(card
->mixername
, "Asahi Kasei AK4531");
376 ak4531
->write(ak4531
, AK4531_RESET
, 0x03); /* no RST, PD */
378 ak4531
->write(ak4531
, AK4531_CLOCK
, 0x00); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */
379 for (idx
= 0; idx
< 0x19; idx
++) {
380 if (idx
== AK4531_RESET
|| idx
== AK4531_CLOCK
)
382 ak4531
->write(ak4531
, idx
, ak4531
->regs
[idx
] = snd_ak4531_initial_map
[idx
]); /* recording source is mixer */
384 for (idx
= 0; idx
< ARRAY_SIZE(snd_ak4531_controls
); idx
++) {
385 if ((err
= snd_ctl_add(card
, snd_ctl_new1(&snd_ak4531_controls
[idx
], ak4531
))) < 0) {
386 snd_ak4531_free(ak4531
);
390 snd_ak4531_proc_init(card
, ak4531
);
391 if ((err
= snd_device_new(card
, SNDRV_DEV_LOWLEVEL
, ak4531
, &ops
)) < 0) {
392 snd_ak4531_free(ak4531
);
397 snd_ak4531_dump(ak4531
);
407 static void snd_ak4531_proc_read(snd_info_entry_t
*entry
,
408 snd_info_buffer_t
* buffer
)
410 ak4531_t
*ak4531
= entry
->private_data
;
412 snd_iprintf(buffer
, "Asahi Kasei AK4531\n\n");
413 snd_iprintf(buffer
, "Recording source : %s\n"
415 ak4531
->regs
[AK4531_AD_IN
] & 1 ? "external" : "mixer",
416 ak4531
->regs
[AK4531_MIC_GAIN
] & 1 ? "+30dB" : "+0dB");
419 static void snd_ak4531_proc_init(snd_card_t
* card
, ak4531_t
* ak4531
)
421 snd_info_entry_t
*entry
;
423 if (! snd_card_proc_new(card
, "ak4531", &entry
))
424 snd_info_set_text_ops(entry
, ak4531
, 1024, snd_ak4531_proc_read
);
427 EXPORT_SYMBOL(snd_ak4531_mixer
);
433 static int __init
alsa_ak4531_init(void)
438 static void __exit
alsa_ak4531_exit(void)
442 module_init(alsa_ak4531_init
)
443 module_exit(alsa_ak4531_exit
)