331 lines
8.9 KiB
C
331 lines
8.9 KiB
C
|
/*
|
||
|
|
* ad1980.c -- ALSA Soc AD1980 codec support
|
||
|
|
*
|
||
|
|
* Copyright: Analog Device Inc.
|
||
|
|
* Author: Roy Huang <roy.huang@analog.com>
|
||
|
|
* Cliff Cai <cliff.cai@analog.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License as published by the
|
||
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
||
|
|
* option) any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* WARNING:
|
||
|
|
*
|
||
|
|
* Because Analog Devices Inc. discontinued the ad1980 sound chip since
|
||
|
|
* Sep. 2009, this ad1980 driver is not maintained, tested and supported
|
||
|
|
* by ADI now.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/regmap.h>
|
||
|
|
#include <sound/core.h>
|
||
|
|
#include <sound/pcm.h>
|
||
|
|
#include <sound/ac97_codec.h>
|
||
|
|
#include <sound/initval.h>
|
||
|
|
#include <sound/soc.h>
|
||
|
|
|
||
|
|
static const struct reg_default ad1980_reg_defaults[] = {
|
||
|
|
{ 0x02, 0x8000 },
|
||
|
|
{ 0x04, 0x8000 },
|
||
|
|
{ 0x06, 0x8000 },
|
||
|
|
{ 0x0c, 0x8008 },
|
||
|
|
{ 0x0e, 0x8008 },
|
||
|
|
{ 0x10, 0x8808 },
|
||
|
|
{ 0x12, 0x8808 },
|
||
|
|
{ 0x16, 0x8808 },
|
||
|
|
{ 0x18, 0x8808 },
|
||
|
|
{ 0x1a, 0x0000 },
|
||
|
|
{ 0x1c, 0x8000 },
|
||
|
|
{ 0x20, 0x0000 },
|
||
|
|
{ 0x28, 0x03c7 },
|
||
|
|
{ 0x2c, 0xbb80 },
|
||
|
|
{ 0x2e, 0xbb80 },
|
||
|
|
{ 0x30, 0xbb80 },
|
||
|
|
{ 0x32, 0xbb80 },
|
||
|
|
{ 0x36, 0x8080 },
|
||
|
|
{ 0x38, 0x8080 },
|
||
|
|
{ 0x3a, 0x2000 },
|
||
|
|
{ 0x60, 0x0000 },
|
||
|
|
{ 0x62, 0x0000 },
|
||
|
|
{ 0x72, 0x0000 },
|
||
|
|
{ 0x74, 0x1001 },
|
||
|
|
{ 0x76, 0x0000 },
|
||
|
|
};
|
||
|
|
|
||
|
|
static bool ad1980_readable_reg(struct device *dev, unsigned int reg)
|
||
|
|
{
|
||
|
|
switch (reg) {
|
||
|
|
case AC97_RESET ... AC97_MASTER_MONO:
|
||
|
|
case AC97_PHONE ... AC97_CD:
|
||
|
|
case AC97_AUX ... AC97_GENERAL_PURPOSE:
|
||
|
|
case AC97_POWERDOWN ... AC97_PCM_LR_ADC_RATE:
|
||
|
|
case AC97_SPDIF:
|
||
|
|
case AC97_CODEC_CLASS_REV:
|
||
|
|
case AC97_PCI_SVID:
|
||
|
|
case AC97_AD_CODEC_CFG:
|
||
|
|
case AC97_AD_JACK_SPDIF:
|
||
|
|
case AC97_AD_SERIAL_CFG:
|
||
|
|
case AC97_VENDOR_ID1:
|
||
|
|
case AC97_VENDOR_ID2:
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static bool ad1980_writeable_reg(struct device *dev, unsigned int reg)
|
||
|
|
{
|
||
|
|
switch (reg) {
|
||
|
|
case AC97_VENDOR_ID1:
|
||
|
|
case AC97_VENDOR_ID2:
|
||
|
|
return false;
|
||
|
|
default:
|
||
|
|
return ad1980_readable_reg(dev, reg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct regmap_config ad1980_regmap_config = {
|
||
|
|
.reg_bits = 16,
|
||
|
|
.reg_stride = 2,
|
||
|
|
.val_bits = 16,
|
||
|
|
.max_register = 0x7e,
|
||
|
|
.cache_type = REGCACHE_RBTREE,
|
||
|
|
|
||
|
|
.volatile_reg = regmap_ac97_default_volatile,
|
||
|
|
.readable_reg = ad1980_readable_reg,
|
||
|
|
.writeable_reg = ad1980_writeable_reg,
|
||
|
|
|
||
|
|
.reg_defaults = ad1980_reg_defaults,
|
||
|
|
.num_reg_defaults = ARRAY_SIZE(ad1980_reg_defaults),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
|
||
|
|
"Stereo Mix", "Mono Mix", "Phone"};
|
||
|
|
|
||
|
|
static SOC_ENUM_DOUBLE_DECL(ad1980_cap_src,
|
||
|
|
AC97_REC_SEL, 8, 0, ad1980_rec_sel);
|
||
|
|
|
||
|
|
static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = {
|
||
|
|
SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
|
||
|
|
SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
|
||
|
|
|
||
|
|
SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
|
||
|
|
SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
|
||
|
|
|
||
|
|
SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
|
||
|
|
SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
|
||
|
|
|
||
|
|
SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0),
|
||
|
|
SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1),
|
||
|
|
|
||
|
|
SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
|
||
|
|
SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
|
||
|
|
|
||
|
|
SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1),
|
||
|
|
SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1),
|
||
|
|
|
||
|
|
SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1),
|
||
|
|
SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),
|
||
|
|
|
||
|
|
SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0),
|
||
|
|
SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0),
|
||
|
|
|
||
|
|
SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
|
||
|
|
SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
|
||
|
|
|
||
|
|
SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1),
|
||
|
|
SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1),
|
||
|
|
|
||
|
|
SOC_ENUM("Capture Source", ad1980_cap_src),
|
||
|
|
|
||
|
|
SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_widget ad1980_dapm_widgets[] = {
|
||
|
|
SND_SOC_DAPM_INPUT("MIC1"),
|
||
|
|
SND_SOC_DAPM_INPUT("MIC2"),
|
||
|
|
SND_SOC_DAPM_INPUT("CD_L"),
|
||
|
|
SND_SOC_DAPM_INPUT("CD_R"),
|
||
|
|
SND_SOC_DAPM_INPUT("AUX_L"),
|
||
|
|
SND_SOC_DAPM_INPUT("AUX_R"),
|
||
|
|
SND_SOC_DAPM_INPUT("LINE_IN_L"),
|
||
|
|
SND_SOC_DAPM_INPUT("LINE_IN_R"),
|
||
|
|
|
||
|
|
SND_SOC_DAPM_OUTPUT("LFE_OUT"),
|
||
|
|
SND_SOC_DAPM_OUTPUT("CENTER_OUT"),
|
||
|
|
SND_SOC_DAPM_OUTPUT("LINE_OUT_L"),
|
||
|
|
SND_SOC_DAPM_OUTPUT("LINE_OUT_R"),
|
||
|
|
SND_SOC_DAPM_OUTPUT("MONO_OUT"),
|
||
|
|
SND_SOC_DAPM_OUTPUT("HP_OUT_L"),
|
||
|
|
SND_SOC_DAPM_OUTPUT("HP_OUT_R"),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_route ad1980_dapm_routes[] = {
|
||
|
|
{ "Capture", NULL, "MIC1" },
|
||
|
|
{ "Capture", NULL, "MIC2" },
|
||
|
|
{ "Capture", NULL, "CD_L" },
|
||
|
|
{ "Capture", NULL, "CD_R" },
|
||
|
|
{ "Capture", NULL, "AUX_L" },
|
||
|
|
{ "Capture", NULL, "AUX_R" },
|
||
|
|
{ "Capture", NULL, "LINE_IN_L" },
|
||
|
|
{ "Capture", NULL, "LINE_IN_R" },
|
||
|
|
|
||
|
|
{ "LFE_OUT", NULL, "Playback" },
|
||
|
|
{ "CENTER_OUT", NULL, "Playback" },
|
||
|
|
{ "LINE_OUT_L", NULL, "Playback" },
|
||
|
|
{ "LINE_OUT_R", NULL, "Playback" },
|
||
|
|
{ "MONO_OUT", NULL, "Playback" },
|
||
|
|
{ "HP_OUT_L", NULL, "Playback" },
|
||
|
|
{ "HP_OUT_R", NULL, "Playback" },
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_dai_driver ad1980_dai = {
|
||
|
|
.name = "ad1980-hifi",
|
||
|
|
.playback = {
|
||
|
|
.stream_name = "Playback",
|
||
|
|
.channels_min = 2,
|
||
|
|
.channels_max = 6,
|
||
|
|
.rates = SNDRV_PCM_RATE_48000,
|
||
|
|
.formats = SND_SOC_STD_AC97_FMTS, },
|
||
|
|
.capture = {
|
||
|
|
.stream_name = "Capture",
|
||
|
|
.channels_min = 2,
|
||
|
|
.channels_max = 2,
|
||
|
|
.rates = SNDRV_PCM_RATE_48000,
|
||
|
|
.formats = SND_SOC_STD_AC97_FMTS, },
|
||
|
|
};
|
||
|
|
|
||
|
|
#define AD1980_VENDOR_ID 0x41445300
|
||
|
|
#define AD1980_VENDOR_MASK 0xffffff00
|
||
|
|
|
||
|
|
static int ad1980_reset(struct snd_soc_component *component, int try_warm)
|
||
|
|
{
|
||
|
|
struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
|
||
|
|
unsigned int retry_cnt = 0;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
do {
|
||
|
|
ret = snd_ac97_reset(ac97, true, AD1980_VENDOR_ID,
|
||
|
|
AD1980_VENDOR_MASK);
|
||
|
|
if (ret >= 0)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Set bit 16slot in register 74h, then every slot will has only
|
||
|
|
* 16 bits. This command is sent out in 20bit mode, in which
|
||
|
|
* case the first nibble of data is eaten by the addr. (Tag is
|
||
|
|
* always 16 bit)
|
||
|
|
*/
|
||
|
|
snd_soc_component_write(component, AC97_AD_SERIAL_CFG, 0x9900);
|
||
|
|
|
||
|
|
} while (retry_cnt++ < 10);
|
||
|
|
|
||
|
|
dev_err(component->dev, "Failed to reset: AC97 link error\n");
|
||
|
|
|
||
|
|
return -EIO;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int ad1980_soc_probe(struct snd_soc_component *component)
|
||
|
|
{
|
||
|
|
struct snd_ac97 *ac97;
|
||
|
|
struct regmap *regmap;
|
||
|
|
int ret;
|
||
|
|
u16 vendor_id2;
|
||
|
|
u16 ext_status;
|
||
|
|
|
||
|
|
ac97 = snd_soc_new_ac97_component(component, 0, 0);
|
||
|
|
if (IS_ERR(ac97)) {
|
||
|
|
ret = PTR_ERR(ac97);
|
||
|
|
dev_err(component->dev, "Failed to register AC97 component: %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
regmap = regmap_init_ac97(ac97, &ad1980_regmap_config);
|
||
|
|
if (IS_ERR(regmap)) {
|
||
|
|
ret = PTR_ERR(regmap);
|
||
|
|
goto err_free_ac97;
|
||
|
|
}
|
||
|
|
|
||
|
|
snd_soc_component_init_regmap(component, regmap);
|
||
|
|
snd_soc_component_set_drvdata(component, ac97);
|
||
|
|
|
||
|
|
ret = ad1980_reset(component, 0);
|
||
|
|
if (ret < 0)
|
||
|
|
goto reset_err;
|
||
|
|
|
||
|
|
vendor_id2 = snd_soc_component_read32(component, AC97_VENDOR_ID2);
|
||
|
|
if (vendor_id2 == 0x5374) {
|
||
|
|
dev_warn(component->dev,
|
||
|
|
"Found AD1981 - only 2/2 IN/OUT Channels supported\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
/* unmute captures and playbacks volume */
|
||
|
|
snd_soc_component_write(component, AC97_MASTER, 0x0000);
|
||
|
|
snd_soc_component_write(component, AC97_PCM, 0x0000);
|
||
|
|
snd_soc_component_write(component, AC97_REC_GAIN, 0x0000);
|
||
|
|
snd_soc_component_write(component, AC97_CENTER_LFE_MASTER, 0x0000);
|
||
|
|
snd_soc_component_write(component, AC97_SURROUND_MASTER, 0x0000);
|
||
|
|
|
||
|
|
/*power on LFE/CENTER/Surround DACs*/
|
||
|
|
ext_status = snd_soc_component_read32(component, AC97_EXTENDED_STATUS);
|
||
|
|
snd_soc_component_write(component, AC97_EXTENDED_STATUS, ext_status&~0x3800);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
reset_err:
|
||
|
|
snd_soc_component_exit_regmap(component);
|
||
|
|
err_free_ac97:
|
||
|
|
snd_soc_free_ac97_component(ac97);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ad1980_soc_remove(struct snd_soc_component *component)
|
||
|
|
{
|
||
|
|
struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
|
||
|
|
|
||
|
|
snd_soc_component_exit_regmap(component);
|
||
|
|
snd_soc_free_ac97_component(ac97);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct snd_soc_component_driver soc_component_dev_ad1980 = {
|
||
|
|
.probe = ad1980_soc_probe,
|
||
|
|
.remove = ad1980_soc_remove,
|
||
|
|
.controls = ad1980_snd_ac97_controls,
|
||
|
|
.num_controls = ARRAY_SIZE(ad1980_snd_ac97_controls),
|
||
|
|
.dapm_widgets = ad1980_dapm_widgets,
|
||
|
|
.num_dapm_widgets = ARRAY_SIZE(ad1980_dapm_widgets),
|
||
|
|
.dapm_routes = ad1980_dapm_routes,
|
||
|
|
.num_dapm_routes = ARRAY_SIZE(ad1980_dapm_routes),
|
||
|
|
.idle_bias_on = 1,
|
||
|
|
.use_pmdown_time = 1,
|
||
|
|
.endianness = 1,
|
||
|
|
.non_legacy_dai_naming = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int ad1980_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
return devm_snd_soc_register_component(&pdev->dev,
|
||
|
|
&soc_component_dev_ad1980, &ad1980_dai, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver ad1980_codec_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "ad1980",
|
||
|
|
},
|
||
|
|
|
||
|
|
.probe = ad1980_probe,
|
||
|
|
};
|
||
|
|
|
||
|
|
module_platform_driver(ad1980_codec_driver);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)");
|
||
|
|
MODULE_AUTHOR("Roy Huang, Cliff Cai");
|
||
|
|
MODULE_LICENSE("GPL");
|