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Merge remote-tracking branch 'asoc/topic/sgtl5000' into asoc-next

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This commit is contained in:
Mark Brown 2013-06-17 17:20:27 +01:00
commit 14345a5898
4 changed files with 220 additions and 84 deletions
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3
Documentation/devicetree/bindings/sound/sgtl5000.txt
View file

@ -5,9 +5,12 @@ Required properties:
- reg : the I2C address of the device
- clocks : the clock provider of SYS_MCLK
Example:
codec: sgtl5000@0a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
clocks = <&clks 150>;
};

267
sound/soc/codecs/sgtl5000.c
View file

@ -16,6 +16,7 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/clk.h>
#include <linux/regmap.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/consumer.h>
@ -34,30 +35,30 @@
#define SGTL5000_MAX_REG_OFFSET 0x013A
/* default value of sgtl5000 registers */
static const u16 sgtl5000_regs[SGTL5000_MAX_REG_OFFSET] = {
[SGTL5000_CHIP_CLK_CTRL] = 0x0008,
[SGTL5000_CHIP_I2S_CTRL] = 0x0010,
[SGTL5000_CHIP_SSS_CTRL] = 0x0008,
[SGTL5000_CHIP_DAC_VOL] = 0x3c3c,
[SGTL5000_CHIP_PAD_STRENGTH] = 0x015f,
[SGTL5000_CHIP_ANA_HP_CTRL] = 0x1818,
[SGTL5000_CHIP_ANA_CTRL] = 0x0111,
[SGTL5000_CHIP_LINE_OUT_VOL] = 0x0404,
[SGTL5000_CHIP_ANA_POWER] = 0x7060,
[SGTL5000_CHIP_PLL_CTRL] = 0x5000,
[SGTL5000_DAP_BASS_ENHANCE] = 0x0040,
[SGTL5000_DAP_BASS_ENHANCE_CTRL] = 0x051f,
[SGTL5000_DAP_SURROUND] = 0x0040,
[SGTL5000_DAP_EQ_BASS_BAND0] = 0x002f,
[SGTL5000_DAP_EQ_BASS_BAND1] = 0x002f,
[SGTL5000_DAP_EQ_BASS_BAND2] = 0x002f,
[SGTL5000_DAP_EQ_BASS_BAND3] = 0x002f,
[SGTL5000_DAP_EQ_BASS_BAND4] = 0x002f,
[SGTL5000_DAP_MAIN_CHAN] = 0x8000,
[SGTL5000_DAP_AVC_CTRL] = 0x0510,
[SGTL5000_DAP_AVC_THRESHOLD] = 0x1473,
[SGTL5000_DAP_AVC_ATTACK] = 0x0028,
[SGTL5000_DAP_AVC_DECAY] = 0x0050,
static const struct reg_default sgtl5000_reg_defaults[] = {
{ SGTL5000_CHIP_CLK_CTRL, 0x0008 },
{ SGTL5000_CHIP_I2S_CTRL, 0x0010 },
{ SGTL5000_CHIP_SSS_CTRL, 0x0008 },
{ SGTL5000_CHIP_DAC_VOL, 0x3c3c },
{ SGTL5000_CHIP_PAD_STRENGTH, 0x015f },
{ SGTL5000_CHIP_ANA_HP_CTRL, 0x1818 },
{ SGTL5000_CHIP_ANA_CTRL, 0x0111 },
{ SGTL5000_CHIP_LINE_OUT_VOL, 0x0404 },
{ SGTL5000_CHIP_ANA_POWER, 0x7060 },
{ SGTL5000_CHIP_PLL_CTRL, 0x5000 },
{ SGTL5000_DAP_BASS_ENHANCE, 0x0040 },
{ SGTL5000_DAP_BASS_ENHANCE_CTRL, 0x051f },
{ SGTL5000_DAP_SURROUND, 0x0040 },
{ SGTL5000_DAP_EQ_BASS_BAND0, 0x002f },
{ SGTL5000_DAP_EQ_BASS_BAND1, 0x002f },
{ SGTL5000_DAP_EQ_BASS_BAND2, 0x002f },
{ SGTL5000_DAP_EQ_BASS_BAND3, 0x002f },
{ SGTL5000_DAP_EQ_BASS_BAND4, 0x002f },
{ SGTL5000_DAP_MAIN_CHAN, 0x8000 },
{ SGTL5000_DAP_AVC_CTRL, 0x0510 },
{ SGTL5000_DAP_AVC_THRESHOLD, 0x1473 },
{ SGTL5000_DAP_AVC_ATTACK, 0x0028 },
{ SGTL5000_DAP_AVC_DECAY, 0x0050 },
};
/* regulator supplies for sgtl5000, VDDD is an optional external supply */
@ -112,6 +113,8 @@ struct sgtl5000_priv {
int fmt; /* i2s data format */
struct regulator_bulk_data supplies[SGTL5000_SUPPLY_NUM];
struct ldo_regulator *ldo;
struct regmap *regmap;
struct clk *mclk;
};
/*
@ -151,12 +154,12 @@ static int power_vag_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
case SND_SOC_DAPM_POST_PMU:
snd_soc_update_bits(w->codec, SGTL5000_CHIP_ANA_POWER,
SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP);
break;
case SND_SOC_DAPM_POST_PMD:
case SND_SOC_DAPM_PRE_PMD:
snd_soc_update_bits(w->codec, SGTL5000_CHIP_ANA_POWER,
SGTL5000_VAG_POWERUP, 0);
msleep(400);
@ -217,12 +220,11 @@ static const struct snd_soc_dapm_widget sgtl5000_dapm_widgets[] = {
0, SGTL5000_CHIP_DIG_POWER,
1, 0),
SND_SOC_DAPM_SUPPLY("VAG_POWER", SGTL5000_CHIP_ANA_POWER, 7, 0,
power_vag_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC("ADC", "Capture", SGTL5000_CHIP_ANA_POWER, 1, 0),
SND_SOC_DAPM_DAC("DAC", "Playback", SGTL5000_CHIP_ANA_POWER, 3, 0),
SND_SOC_DAPM_PRE("VAG_POWER_PRE", power_vag_event),
SND_SOC_DAPM_POST("VAG_POWER_POST", power_vag_event),
};
/* routes for sgtl5000 */
@ -230,16 +232,13 @@ static const struct snd_soc_dapm_route sgtl5000_dapm_routes[] = {
{"Capture Mux", "LINE_IN", "LINE_IN"}, /* line_in --> adc_mux */
{"Capture Mux", "MIC_IN", "MIC_IN"}, /* mic_in --> adc_mux */
{"ADC", NULL, "VAG_POWER"},
{"ADC", NULL, "Capture Mux"}, /* adc_mux --> adc */
{"AIFOUT", NULL, "ADC"}, /* adc --> i2s_out */
{"DAC", NULL, "VAG_POWER"},
{"DAC", NULL, "AIFIN"}, /* i2s-->dac,skip audio mux */
{"Headphone Mux", "DAC", "DAC"}, /* dac --> hp_mux */
{"LO", NULL, "DAC"}, /* dac --> line_out */
{"LINE_IN", NULL, "VAG_POWER"},
{"Headphone Mux", "LINE_IN", "LINE_IN"},/* line_in --> hp_mux */
{"HP", NULL, "Headphone Mux"}, /* hp_mux --> hp */
@ -909,10 +908,25 @@ static int sgtl5000_set_bias_level(struct snd_soc_codec *codec,
if (ret)
return ret;
udelay(10);
regcache_cache_only(sgtl5000->regmap, false);
ret = regcache_sync(sgtl5000->regmap);
if (ret != 0) {
dev_err(codec->dev,
"Failed to restore cache: %d\n", ret);
regcache_cache_only(sgtl5000->regmap, true);
regulator_bulk_disable(ARRAY_SIZE(sgtl5000->supplies),
sgtl5000->supplies);
return ret;
}
}
break;
case SND_SOC_BIAS_OFF:
regcache_cache_only(sgtl5000->regmap, true);
regulator_bulk_disable(ARRAY_SIZE(sgtl5000->supplies),
sgtl5000->supplies);
break;
@ -958,17 +972,76 @@ static struct snd_soc_dai_driver sgtl5000_dai = {
.symmetric_rates = 1,
};
static int sgtl5000_volatile_register(struct snd_soc_codec *codec,
unsigned int reg)
static bool sgtl5000_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case SGTL5000_CHIP_ID:
case SGTL5000_CHIP_ADCDAC_CTRL:
case SGTL5000_CHIP_ANA_STATUS:
return 1;
return true;
}
return 0;
return false;
}
static bool sgtl5000_readable(struct device *dev, unsigned int reg)
{
switch (reg) {
case SGTL5000_CHIP_ID:
case SGTL5000_CHIP_DIG_POWER:
case SGTL5000_CHIP_CLK_CTRL:
case SGTL5000_CHIP_I2S_CTRL:
case SGTL5000_CHIP_SSS_CTRL:
case SGTL5000_CHIP_ADCDAC_CTRL:
case SGTL5000_CHIP_DAC_VOL:
case SGTL5000_CHIP_PAD_STRENGTH:
case SGTL5000_CHIP_ANA_ADC_CTRL:
case SGTL5000_CHIP_ANA_HP_CTRL:
case SGTL5000_CHIP_ANA_CTRL:
case SGTL5000_CHIP_LINREG_CTRL:
case SGTL5000_CHIP_REF_CTRL:
case SGTL5000_CHIP_MIC_CTRL:
case SGTL5000_CHIP_LINE_OUT_CTRL:
case SGTL5000_CHIP_LINE_OUT_VOL:
case SGTL5000_CHIP_ANA_POWER:
case SGTL5000_CHIP_PLL_CTRL:
case SGTL5000_CHIP_CLK_TOP_CTRL:
case SGTL5000_CHIP_ANA_STATUS:
case SGTL5000_CHIP_SHORT_CTRL:
case SGTL5000_CHIP_ANA_TEST2:
case SGTL5000_DAP_CTRL:
case SGTL5000_DAP_PEQ:
case SGTL5000_DAP_BASS_ENHANCE:
case SGTL5000_DAP_BASS_ENHANCE_CTRL:
case SGTL5000_DAP_AUDIO_EQ:
case SGTL5000_DAP_SURROUND:
case SGTL5000_DAP_FLT_COEF_ACCESS:
case SGTL5000_DAP_COEF_WR_B0_MSB:
case SGTL5000_DAP_COEF_WR_B0_LSB:
case SGTL5000_DAP_EQ_BASS_BAND0:
case SGTL5000_DAP_EQ_BASS_BAND1:
case SGTL5000_DAP_EQ_BASS_BAND2:
case SGTL5000_DAP_EQ_BASS_BAND3:
case SGTL5000_DAP_EQ_BASS_BAND4:
case SGTL5000_DAP_MAIN_CHAN:
case SGTL5000_DAP_MIX_CHAN:
case SGTL5000_DAP_AVC_CTRL:
case SGTL5000_DAP_AVC_THRESHOLD:
case SGTL5000_DAP_AVC_ATTACK:
case SGTL5000_DAP_AVC_DECAY:
case SGTL5000_DAP_COEF_WR_B1_MSB:
case SGTL5000_DAP_COEF_WR_B1_LSB:
case SGTL5000_DAP_COEF_WR_B2_MSB:
case SGTL5000_DAP_COEF_WR_B2_LSB:
case SGTL5000_DAP_COEF_WR_A1_MSB:
case SGTL5000_DAP_COEF_WR_A1_LSB:
case SGTL5000_DAP_COEF_WR_A2_MSB:
case SGTL5000_DAP_COEF_WR_A2_LSB:
return true;
default:
return false;
}
}
#ifdef CONFIG_SUSPEND
@ -1214,7 +1287,7 @@ static int sgtl5000_replace_vddd_with_ldo(struct snd_soc_codec *codec)
static int sgtl5000_enable_regulators(struct snd_soc_codec *codec)
{
u16 reg;
int reg;
int ret;
int rev;
int i;
@ -1242,23 +1315,17 @@ static int sgtl5000_enable_regulators(struct snd_soc_codec *codec)
/* wait for all power rails bring up */
udelay(10);
/* read chip information */
reg = snd_soc_read(codec, SGTL5000_CHIP_ID);
if (((reg & SGTL5000_PARTID_MASK) >> SGTL5000_PARTID_SHIFT) !=
SGTL5000_PARTID_PART_ID) {
dev_err(codec->dev,
"Device with ID register %x is not a sgtl5000\n", reg);
ret = -ENODEV;
goto err_regulator_disable;
}
rev = (reg & SGTL5000_REVID_MASK) >> SGTL5000_REVID_SHIFT;
dev_info(codec->dev, "sgtl5000 revision 0x%x\n", rev);
/*
* workaround for revision 0x11 and later,
* roll back to use internal LDO
*/
ret = regmap_read(sgtl5000->regmap, SGTL5000_CHIP_ID, &reg);
if (ret)
goto err_regulator_disable;
rev = (reg & SGTL5000_REVID_MASK) >> SGTL5000_REVID_SHIFT;
if (external_vddd && rev >= 0x11) {
/* disable all regulator first */
regulator_bulk_disable(ARRAY_SIZE(sgtl5000->supplies),
@ -1300,7 +1367,8 @@ static int sgtl5000_probe(struct snd_soc_codec *codec)
struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec);
/* setup i2c data ops */
ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_I2C);
codec->control_data = sgtl5000->regmap;
ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
@ -1391,11 +1459,6 @@ static struct snd_soc_codec_driver sgtl5000_driver = {
.suspend = sgtl5000_suspend,
.resume = sgtl5000_resume,
.set_bias_level = sgtl5000_set_bias_level,
.reg_cache_size = ARRAY_SIZE(sgtl5000_regs),
.reg_word_size = sizeof(u16),
.reg_cache_step = 2,
.reg_cache_default = sgtl5000_regs,
.volatile_register = sgtl5000_volatile_register,
.controls = sgtl5000_snd_controls,
.num_controls = ARRAY_SIZE(sgtl5000_snd_controls),
.dapm_widgets = sgtl5000_dapm_widgets,
@ -1404,28 +1467,114 @@ static struct snd_soc_codec_driver sgtl5000_driver = {
.num_dapm_routes = ARRAY_SIZE(sgtl5000_dapm_routes),
};
static const struct regmap_config sgtl5000_regmap = {
.reg_bits = 16,
.val_bits = 16,
.max_register = SGTL5000_MAX_REG_OFFSET,
.volatile_reg = sgtl5000_volatile,
.readable_reg = sgtl5000_readable,
.cache_type = REGCACHE_RBTREE,
.reg_defaults = sgtl5000_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(sgtl5000_reg_defaults),
};
/*
* Write all the default values from sgtl5000_reg_defaults[] array into the
* sgtl5000 registers, to make sure we always start with the sane registers
* values as stated in the datasheet.
*
* Since sgtl5000 does not have a reset line, nor a reset command in software,
* we follow this approach to guarantee we always start from the default values
* and avoid problems like, not being able to probe after an audio playback
* followed by a system reset or a 'reboot' command in Linux
*/
static int sgtl5000_fill_defaults(struct sgtl5000_priv *sgtl5000)
{
int i, ret, val, index;
for (i = 0; i < ARRAY_SIZE(sgtl5000_reg_defaults); i++) {
val = sgtl5000_reg_defaults[i].def;
index = sgtl5000_reg_defaults[i].reg;
ret = regmap_write(sgtl5000->regmap, index, val);
if (ret)
return ret;
}
return 0;
}
static int sgtl5000_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct sgtl5000_priv *sgtl5000;
int ret;
int ret, reg, rev;
sgtl5000 = devm_kzalloc(&client->dev, sizeof(struct sgtl5000_priv),
GFP_KERNEL);
if (!sgtl5000)
return -ENOMEM;
sgtl5000->regmap = devm_regmap_init_i2c(client, &sgtl5000_regmap);
if (IS_ERR(sgtl5000->regmap)) {
ret = PTR_ERR(sgtl5000->regmap);
dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
return ret;
}
sgtl5000->mclk = devm_clk_get(&client->dev, NULL);
if (IS_ERR(sgtl5000->mclk)) {
ret = PTR_ERR(sgtl5000->mclk);
dev_err(&client->dev, "Failed to get mclock: %d\n", ret);
return ret;
}
ret = clk_prepare_enable(sgtl5000->mclk);
if (ret)
return ret;
/* read chip information */
ret = regmap_read(sgtl5000->regmap, SGTL5000_CHIP_ID, &reg);
if (ret)
goto disable_clk;
if (((reg & SGTL5000_PARTID_MASK) >> SGTL5000_PARTID_SHIFT) !=
SGTL5000_PARTID_PART_ID) {
dev_err(&client->dev,
"Device with ID register %x is not a sgtl5000\n", reg);
ret = -ENODEV;
goto disable_clk;
}
rev = (reg & SGTL5000_REVID_MASK) >> SGTL5000_REVID_SHIFT;
dev_info(&client->dev, "sgtl5000 revision 0x%x\n", rev);
i2c_set_clientdata(client, sgtl5000);
/* Ensure sgtl5000 will start with sane register values */
ret = sgtl5000_fill_defaults(sgtl5000);
if (ret)
goto disable_clk;
ret = snd_soc_register_codec(&client->dev,
&sgtl5000_driver, &sgtl5000_dai, 1);
if (ret)
goto disable_clk;
return 0;
disable_clk:
clk_disable_unprepare(sgtl5000->mclk);
return ret;
}
static int sgtl5000_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
struct sgtl5000_priv *sgtl5000 = i2c_get_clientdata(client);
snd_soc_unregister_codec(&client->dev);
clk_disable_unprepare(sgtl5000->mclk);
return 0;
}

2
sound/soc/codecs/sgtl5000.h
View file

@ -12,7 +12,7 @@
#define _SGTL5000_H
/*
* Register values.
* Registers addresses
*/
#define SGTL5000_CHIP_ID 0x0000
#define SGTL5000_CHIP_DIG_POWER 0x0002

32
sound/soc/fsl/imx-sgtl5000.c
View file

@ -128,21 +128,11 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
goto fail;
}
data->codec_clk = clk_get(&codec_dev->dev, NULL);
if (IS_ERR(data->codec_clk)) {
/* assuming clock enabled by default */
data->codec_clk = NULL;
ret = of_property_read_u32(codec_np, "clock-frequency",
&data->clk_frequency);
if (ret) {
dev_err(&codec_dev->dev,
"clock-frequency missing or invalid\n");
goto fail;
}
} else {
data->clk_frequency = clk_get_rate(data->codec_clk);
clk_prepare_enable(data->codec_clk);
}
data->codec_clk = devm_clk_get(&codec_dev->dev, NULL);
if (IS_ERR(data->codec_clk))
goto fail;
data->clk_frequency = clk_get_rate(data->codec_clk);
data->dai.name = "HiFi";
data->dai.stream_name = "HiFi";
@ -157,10 +147,10 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
data->card.dev = &pdev->dev;
ret = snd_soc_of_parse_card_name(&data->card, "model");
if (ret)
goto clk_fail;
goto fail;
ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
if (ret)
goto clk_fail;
goto fail;
data->card.num_links = 1;
data->card.owner = THIS_MODULE;
data->card.dai_link = &data->dai;
@ -170,7 +160,7 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
ret = snd_soc_register_card(&data->card);
if (ret) {
dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
goto clk_fail;
goto fail;
}
platform_set_drvdata(pdev, data);
@ -179,8 +169,6 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
return 0;
clk_fail:
clk_put(data->codec_clk);
fail:
if (ssi_np)
of_node_put(ssi_np);
@ -194,10 +182,6 @@ static int imx_sgtl5000_remove(struct platform_device *pdev)
{
struct imx_sgtl5000_data *data = platform_get_drvdata(pdev);
if (data->codec_clk) {
clk_disable_unprepare(data->codec_clk);
clk_put(data->codec_clk);
}
snd_soc_unregister_card(&data->card);
return 0;