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Diffstat (limited to 'sound/soc/codecs/twl4030.c')
-rw-r--r--sound/soc/codecs/twl4030.c157
1 files changed, 112 insertions, 45 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 391fcfc7b63b..e7f608996c41 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -26,8 +26,11 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
#include <linux/i2c/twl.h>
#include <linux/slab.h>
+#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -152,8 +155,7 @@ struct twl4030_priv {
u8 predrivel_enabled, predriver_enabled;
u8 carkitl_enabled, carkitr_enabled;
- /* Delay needed after enabling the digimic interface */
- unsigned int digimic_delay;
+ struct twl4030_codec_data *pdata;
};
/*
@@ -295,13 +297,73 @@ static inline void twl4030_reset_registers(struct snd_soc_codec *codec)
}
-static void twl4030_init_chip(struct snd_soc_codec *codec)
+static void twl4030_setup_pdata_of(struct twl4030_codec_data *pdata,
+ struct device_node *node)
+{
+ int value;
+
+ of_property_read_u32(node, "ti,digimic_delay",
+ &pdata->digimic_delay);
+ of_property_read_u32(node, "ti,ramp_delay_value",
+ &pdata->ramp_delay_value);
+ of_property_read_u32(node, "ti,offset_cncl_path",
+ &pdata->offset_cncl_path);
+ if (!of_property_read_u32(node, "ti,hs_extmute", &value))
+ pdata->hs_extmute = value;
+
+ pdata->hs_extmute_gpio = of_get_named_gpio(node,
+ "ti,hs_extmute_gpio", 0);
+ if (gpio_is_valid(pdata->hs_extmute_gpio))
+ pdata->hs_extmute = 1;
+}
+
+static struct twl4030_codec_data *twl4030_get_pdata(struct snd_soc_codec *codec)
{
struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
+ struct device_node *twl4030_codec_node = NULL;
+
+ twl4030_codec_node = of_find_node_by_name(codec->dev->parent->of_node,
+ "codec");
+
+ if (!pdata && twl4030_codec_node) {
+ pdata = devm_kzalloc(codec->dev,
+ sizeof(struct twl4030_codec_data),
+ GFP_KERNEL);
+ if (!pdata) {
+ dev_err(codec->dev, "Can not allocate memory\n");
+ return NULL;
+ }
+ twl4030_setup_pdata_of(pdata, twl4030_codec_node);
+ }
+
+ return pdata;
+}
+
+static void twl4030_init_chip(struct snd_soc_codec *codec)
+{
+ struct twl4030_codec_data *pdata;
struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
u8 reg, byte;
int i = 0;
+ pdata = twl4030_get_pdata(codec);
+
+ if (pdata && pdata->hs_extmute &&
+ gpio_is_valid(pdata->hs_extmute_gpio)) {
+ int ret;
+
+ if (!pdata->hs_extmute_gpio)
+ dev_warn(codec->dev,
+ "Extmute GPIO is 0 is this correct?\n");
+
+ ret = gpio_request_one(pdata->hs_extmute_gpio,
+ GPIOF_OUT_INIT_LOW, "hs_extmute");
+ if (ret) {
+ dev_err(codec->dev, "Failed to get hs_extmute GPIO\n");
+ pdata->hs_extmute_gpio = -1;
+ }
+ }
+
/* Check defaults, if instructed before anything else */
if (pdata && pdata->check_defaults)
twl4030_check_defaults(codec);
@@ -331,7 +393,7 @@ static void twl4030_init_chip(struct snd_soc_codec *codec)
if (!pdata)
return;
- twl4030->digimic_delay = pdata->digimic_delay;
+ twl4030->pdata = pdata;
reg = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
reg &= ~TWL4030_RAMP_DELAY;
@@ -732,9 +794,9 @@ static int aif_event(struct snd_soc_dapm_widget *w,
static void headset_ramp(struct snd_soc_codec *codec, int ramp)
{
- struct twl4030_codec_data *pdata = codec->dev->platform_data;
unsigned char hs_gain, hs_pop;
struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
+ struct twl4030_codec_data *pdata = twl4030->pdata;
/* Base values for ramp delay calculation: 2^19 - 2^26 */
unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
8388608, 16777216, 33554432, 67108864};
@@ -748,8 +810,8 @@ static void headset_ramp(struct snd_soc_codec *codec, int ramp)
/* Enable external mute control, this dramatically reduces
* the pop-noise */
if (pdata && pdata->hs_extmute) {
- if (pdata->set_hs_extmute) {
- pdata->set_hs_extmute(1);
+ if (gpio_is_valid(pdata->hs_extmute_gpio)) {
+ gpio_set_value(pdata->hs_extmute_gpio, 1);
} else {
hs_pop |= TWL4030_EXTMUTE;
twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
@@ -786,8 +848,8 @@ static void headset_ramp(struct snd_soc_codec *codec, int ramp)
/* Disable external mute */
if (pdata && pdata->hs_extmute) {
- if (pdata->set_hs_extmute) {
- pdata->set_hs_extmute(0);
+ if (gpio_is_valid(pdata->hs_extmute_gpio)) {
+ gpio_set_value(pdata->hs_extmute_gpio, 0);
} else {
hs_pop &= ~TWL4030_EXTMUTE;
twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
@@ -847,9 +909,10 @@ static int digimic_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
+ struct twl4030_codec_data *pdata = twl4030->pdata;
- if (twl4030->digimic_delay)
- twl4030_wait_ms(twl4030->digimic_delay);
+ if (pdata && pdata->digimic_delay)
+ twl4030_wait_ms(pdata->digimic_delay);
return 0;
}
@@ -999,7 +1062,7 @@ static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned short val;
- unsigned short mask, bitmask;
+ unsigned short mask;
if (twl4030->configured) {
dev_err(codec->dev,
@@ -1007,18 +1070,16 @@ static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
return -EBUSY;
}
- for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
- ;
if (ucontrol->value.enumerated.item[0] > e->max - 1)
return -EINVAL;
val = ucontrol->value.enumerated.item[0] << e->shift_l;
- mask = (bitmask - 1) << e->shift_l;
+ mask = e->mask << e->shift_l;
if (e->shift_l != e->shift_r) {
if (ucontrol->value.enumerated.item[1] > e->max - 1)
return -EINVAL;
val |= ucontrol->value.enumerated.item[1] << e->shift_r;
- mask |= (bitmask - 1) << e->shift_r;
+ mask |= e->mask << e->shift_r;
}
return snd_soc_update_bits(codec, e->reg, mask, val);
@@ -1239,16 +1300,11 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"),
/* DACs */
- SND_SOC_DAPM_DAC("DAC Right1", "Right Front HiFi Playback",
- SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_DAC("DAC Left1", "Left Front HiFi Playback",
- SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_DAC("DAC Right2", "Right Rear HiFi Playback",
- SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_DAC("DAC Left2", "Left Rear HiFi Playback",
- SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_DAC("DAC Voice", "Voice Playback",
- SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("DAC Right1", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("DAC Left1", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("DAC Right2", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("DAC Left2", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("DAC Voice", NULL, SND_SOC_NOPM, 0, 0),
/* Analog bypasses */
SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0,
@@ -1377,14 +1433,10 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
/* Introducing four virtual ADC, since TWL4030 have four channel for
capture */
- SND_SOC_DAPM_ADC("ADC Virtual Left1", "Left Front Capture",
- SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_ADC("ADC Virtual Right1", "Right Front Capture",
- SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_ADC("ADC Virtual Left2", "Left Rear Capture",
- SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_ADC("ADC Virtual Right2", "Right Rear Capture",
- SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_ADC("ADC Virtual Left1", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_ADC("ADC Virtual Right1", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_ADC("ADC Virtual Left2", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_ADC("ADC Virtual Right2", NULL, SND_SOC_NOPM, 0, 0),
/* Analog/Digital mic path selection.
TX1 Left/Right: either analog Left/Right or Digimic0
@@ -1428,6 +1480,23 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
};
static const struct snd_soc_dapm_route intercon[] = {
+ /* Stream -> DAC mapping */
+ {"DAC Right1", NULL, "HiFi Playback"},
+ {"DAC Left1", NULL, "HiFi Playback"},
+ {"DAC Right2", NULL, "HiFi Playback"},
+ {"DAC Left2", NULL, "HiFi Playback"},
+ {"DAC Voice", NULL, "Voice Playback"},
+
+ /* ADC -> Stream mapping */
+ {"HiFi Capture", NULL, "ADC Virtual Left1"},
+ {"HiFi Capture", NULL, "ADC Virtual Right1"},
+ {"HiFi Capture", NULL, "ADC Virtual Left2"},
+ {"HiFi Capture", NULL, "ADC Virtual Right2"},
+ {"Voice Capture", NULL, "ADC Virtual Left1"},
+ {"Voice Capture", NULL, "ADC Virtual Right1"},
+ {"Voice Capture", NULL, "ADC Virtual Left2"},
+ {"Voice Capture", NULL, "ADC Virtual Right2"},
+
{"Digital L1 Playback Mixer", NULL, "DAC Left1"},
{"Digital R1 Playback Mixer", NULL, "DAC Right1"},
{"Digital L2 Playback Mixer", NULL, "DAC Left2"},
@@ -2172,7 +2241,7 @@ static struct snd_soc_dai_driver twl4030_dai[] = {
.formats = TWL4030_FORMATS,
.sig_bits = 24,},
.capture = {
- .stream_name = "Capture",
+ .stream_name = "HiFi Capture",
.channels_min = 2,
.channels_max = 4,
.rates = TWL4030_RATES,
@@ -2189,7 +2258,7 @@ static struct snd_soc_dai_driver twl4030_dai[] = {
.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
.capture = {
- .stream_name = "Capture",
+ .stream_name = "Voice Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
@@ -2214,7 +2283,8 @@ static int twl4030_soc_probe(struct snd_soc_codec *codec)
{
struct twl4030_priv *twl4030;
- twl4030 = kzalloc(sizeof(struct twl4030_priv), GFP_KERNEL);
+ twl4030 = devm_kzalloc(codec->dev, sizeof(struct twl4030_priv),
+ GFP_KERNEL);
if (twl4030 == NULL) {
dev_err(codec->dev, "Can not allocate memory\n");
return -ENOMEM;
@@ -2231,11 +2301,15 @@ static int twl4030_soc_probe(struct snd_soc_codec *codec)
static int twl4030_soc_remove(struct snd_soc_codec *codec)
{
struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
+ struct twl4030_codec_data *pdata = twl4030->pdata;
/* Reset registers to their chip default before leaving */
twl4030_reset_registers(codec);
twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
- kfree(twl4030);
+
+ if (pdata && pdata->hs_extmute && gpio_is_valid(pdata->hs_extmute_gpio))
+ gpio_free(pdata->hs_extmute_gpio);
+
return 0;
}
@@ -2262,13 +2336,6 @@ static struct snd_soc_codec_driver soc_codec_dev_twl4030 = {
static int __devinit twl4030_codec_probe(struct platform_device *pdev)
{
- struct twl4030_codec_data *pdata = pdev->dev.platform_data;
-
- if (!pdata) {
- dev_err(&pdev->dev, "platform_data is missing\n");
- return -EINVAL;
- }
-
return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl4030,
twl4030_dai, ARRAY_SIZE(twl4030_dai));
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.