summaryrefslogtreecommitdiff
path: root/sound/soc/codecs/cs42l73.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/cs42l73.c')
-rw-r--r--sound/soc/codecs/cs42l73.c114
1 files changed, 77 insertions, 37 deletions
diff --git a/sound/soc/codecs/cs42l73.c b/sound/soc/codecs/cs42l73.c
index 3b20c86..549d5d6 100644
--- a/sound/soc/codecs/cs42l73.c
+++ b/sound/soc/codecs/cs42l73.c
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/of_gpio.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
@@ -28,6 +29,7 @@
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
+#include <sound/cs42l73.h>
#include "cs42l73.h"
struct sp_config {
@@ -35,6 +37,7 @@ struct sp_config {
u32 srate;
};
struct cs42l73_private {
+ struct cs42l73_platform_data pdata;
struct sp_config config[3];
struct regmap *regmap;
u32 sysclk;
@@ -310,15 +313,6 @@ static const struct soc_enum ng_delay_enum =
SOC_ENUM_SINGLE(CS42L73_NGCAB, 0,
ARRAY_SIZE(cs42l73_ng_delay_text), cs42l73_ng_delay_text);
-static const char * const charge_pump_freq_text[] = {
- "0", "1", "2", "3", "4",
- "5", "6", "7", "8", "9",
- "10", "11", "12", "13", "14", "15" };
-
-static const struct soc_enum charge_pump_enum =
- SOC_ENUM_SINGLE(CS42L73_CPFCHC, 4,
- ARRAY_SIZE(charge_pump_freq_text), charge_pump_freq_text);
-
static const char * const cs42l73_mono_mix_texts[] = {
"Left", "Right", "Mono Mix"};
@@ -511,8 +505,6 @@ static const struct snd_kcontrol_new cs42l73_snd_controls[] = {
SOC_SINGLE("NG Threshold", CS42L73_NGCAB, 2, 7, 0),
SOC_ENUM("NG Delay", ng_delay_enum),
- SOC_ENUM("Charge Pump Frequency", charge_pump_enum),
-
SOC_DOUBLE_R_TLV("XSP-IP Volume",
CS42L73_XSPAIPAA, CS42L73_XSPBIPBA, 0, 0x3F, 1,
attn_tlv),
@@ -1055,11 +1047,11 @@ static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
- mmcc |= MS_MASTER;
+ mmcc |= CS42L73_MS_MASTER;
break;
case SND_SOC_DAIFMT_CBS_CFS:
- mmcc &= ~MS_MASTER;
+ mmcc &= ~CS42L73_MS_MASTER;
break;
default:
@@ -1071,11 +1063,11 @@ static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
switch (format) {
case SND_SOC_DAIFMT_I2S:
- spc &= ~SPDIF_PCM;
+ spc &= ~CS42L73_SPDIF_PCM;
break;
case SND_SOC_DAIFMT_DSP_A:
case SND_SOC_DAIFMT_DSP_B:
- if (mmcc & MS_MASTER) {
+ if (mmcc & CS42L73_MS_MASTER) {
dev_err(codec->dev,
"PCM format in slave mode only\n");
return -EINVAL;
@@ -1085,25 +1077,25 @@ static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
"PCM format is not supported on ASP port\n");
return -EINVAL;
}
- spc |= SPDIF_PCM;
+ spc |= CS42L73_SPDIF_PCM;
break;
default:
return -EINVAL;
}
- if (spc & SPDIF_PCM) {
+ if (spc & CS42L73_SPDIF_PCM) {
/* Clear PCM mode, clear PCM_BIT_ORDER bit for MSB->LSB */
- spc &= ~(PCM_MODE_MASK | PCM_BIT_ORDER);
+ spc &= ~(CS42L73_PCM_MODE_MASK | CS42L73_PCM_BIT_ORDER);
switch (format) {
case SND_SOC_DAIFMT_DSP_B:
if (inv == SND_SOC_DAIFMT_IB_IF)
- spc |= PCM_MODE0;
+ spc |= CS42L73_PCM_MODE0;
if (inv == SND_SOC_DAIFMT_IB_NF)
- spc |= PCM_MODE1;
+ spc |= CS42L73_PCM_MODE1;
break;
case SND_SOC_DAIFMT_DSP_A:
if (inv == SND_SOC_DAIFMT_IB_IF)
- spc |= PCM_MODE1;
+ spc |= CS42L73_PCM_MODE1;
break;
default:
return -EINVAL;
@@ -1163,7 +1155,7 @@ static int cs42l73_pcm_hw_params(struct snd_pcm_substream *substream,
int mclk_coeff;
int srate = params_rate(params);
- if (priv->config[id].mmcc & MS_MASTER) {
+ if (priv->config[id].mmcc & CS42L73_MS_MASTER) {
/* CS42L73 Master */
/* MCLK -> srate */
mclk_coeff =
@@ -1182,13 +1174,13 @@ static int cs42l73_pcm_hw_params(struct snd_pcm_substream *substream,
priv->config[id].spc &= 0xFC;
/* Use SCLK=64*Fs if internal MCLK >= 6.4MHz */
if (priv->mclk >= 6400000)
- priv->config[id].spc |= MCK_SCLK_64FS;
+ priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
else
- priv->config[id].spc |= MCK_SCLK_MCLK;
+ priv->config[id].spc |= CS42L73_MCK_SCLK_MCLK;
} else {
/* CS42L73 Slave */
priv->config[id].spc &= 0xFC;
- priv->config[id].spc |= MCK_SCLK_64FS;
+ priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
}
/* Update ASRCs */
priv->config[id].srate = srate;
@@ -1208,8 +1200,8 @@ static int cs42l73_set_bias_level(struct snd_soc_codec *codec,
switch (level) {
case SND_SOC_BIAS_ON:
- snd_soc_update_bits(codec, CS42L73_DMMCC, MCLKDIS, 0);
- snd_soc_update_bits(codec, CS42L73_PWRCTL1, PDN, 0);
+ snd_soc_update_bits(codec, CS42L73_DMMCC, CS42L73_MCLKDIS, 0);
+ snd_soc_update_bits(codec, CS42L73_PWRCTL1, CS42L73_PDN, 0);
break;
case SND_SOC_BIAS_PREPARE:
@@ -1220,11 +1212,11 @@ static int cs42l73_set_bias_level(struct snd_soc_codec *codec,
regcache_cache_only(cs42l73->regmap, false);
regcache_sync(cs42l73->regmap);
}
- snd_soc_update_bits(codec, CS42L73_PWRCTL1, PDN, 1);
+ snd_soc_update_bits(codec, CS42L73_PWRCTL1, CS42L73_PDN, 1);
break;
case SND_SOC_BIAS_OFF:
- snd_soc_update_bits(codec, CS42L73_PWRCTL1, PDN, 1);
+ snd_soc_update_bits(codec, CS42L73_PWRCTL1, CS42L73_PDN, 1);
if (cs42l73->shutdwn_delay > 0) {
mdelay(cs42l73->shutdwn_delay);
cs42l73->shutdwn_delay = 0;
@@ -1233,7 +1225,7 @@ static int cs42l73_set_bias_level(struct snd_soc_codec *codec,
* down.
*/
}
- snd_soc_update_bits(codec, CS42L73_DMMCC, MCLKDIS, 1);
+ snd_soc_update_bits(codec, CS42L73_DMMCC, CS42L73_MCLKDIS, 1);
break;
}
codec->dapm.bias_level = level;
@@ -1367,11 +1359,16 @@ static int cs42l73_probe(struct snd_soc_codec *codec)
return ret;
}
- regcache_cache_only(cs42l73->regmap, true);
-
cs42l73_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- cs42l73->mclksel = CS42L73_CLKID_MCLK1; /* MCLK1 as master clk */
+ /* Set Charge Pump Frequency */
+ if (cs42l73->pdata.chgfreq)
+ snd_soc_update_bits(codec, CS42L73_CPFCHC,
+ CS42L73_CHARGEPUMP_MASK,
+ cs42l73->pdata.chgfreq << 4);
+
+ /* MCLK1 as master clk */
+ cs42l73->mclksel = CS42L73_CLKID_MCLK1;
cs42l73->mclk = 0;
return ret;
@@ -1415,9 +1412,11 @@ static int cs42l73_i2c_probe(struct i2c_client *i2c_client,
const struct i2c_device_id *id)
{
struct cs42l73_private *cs42l73;
+ struct cs42l73_platform_data *pdata = dev_get_platdata(&i2c_client->dev);
int ret;
unsigned int devid = 0;
unsigned int reg;
+ u32 val32;
cs42l73 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l73_private),
GFP_KERNEL);
@@ -1426,14 +1425,49 @@ static int cs42l73_i2c_probe(struct i2c_client *i2c_client,
return -ENOMEM;
}
- i2c_set_clientdata(i2c_client, cs42l73);
-
cs42l73->regmap = devm_regmap_init_i2c(i2c_client, &cs42l73_regmap);
if (IS_ERR(cs42l73->regmap)) {
ret = PTR_ERR(cs42l73->regmap);
dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
return ret;
}
+
+ if (pdata) {
+ cs42l73->pdata = *pdata;
+ } else {
+ pdata = devm_kzalloc(&i2c_client->dev,
+ sizeof(struct cs42l73_platform_data),
+ GFP_KERNEL);
+ if (!pdata) {
+ dev_err(&i2c_client->dev, "could not allocate pdata\n");
+ return -ENOMEM;
+ }
+ if (i2c_client->dev.of_node) {
+ if (of_property_read_u32(i2c_client->dev.of_node,
+ "chgfreq", &val32) >= 0)
+ pdata->chgfreq = val32;
+ }
+ pdata->reset_gpio = of_get_named_gpio(i2c_client->dev.of_node,
+ "reset-gpio", 0);
+ cs42l73->pdata = *pdata;
+ }
+
+ i2c_set_clientdata(i2c_client, cs42l73);
+
+ if (cs42l73->pdata.reset_gpio) {
+ ret = gpio_request_one(cs42l73->pdata.reset_gpio,
+ GPIOF_OUT_INIT_HIGH, "CS42L73 /RST");
+ if (ret < 0) {
+ dev_err(&i2c_client->dev, "Failed to request /RST %d: %d\n",
+ cs42l73->pdata.reset_gpio, ret);
+ return ret;
+ }
+ gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 0);
+ gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 1);
+ }
+
+ regcache_cache_bypass(cs42l73->regmap, true);
+
/* initialize codec */
ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_AB, &reg);
devid = (reg & 0xFF) << 12;
@@ -1444,7 +1478,6 @@ static int cs42l73_i2c_probe(struct i2c_client *i2c_client,
ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_E, &reg);
devid |= (reg & 0xF0) >> 4;
-
if (devid != CS42L73_DEVID) {
ret = -ENODEV;
dev_err(&i2c_client->dev,
@@ -1462,7 +1495,7 @@ static int cs42l73_i2c_probe(struct i2c_client *i2c_client,
dev_info(&i2c_client->dev,
"Cirrus Logic CS42L73, Revision: %02X\n", reg & 0xFF);
- regcache_cache_only(cs42l73->regmap, true);
+ regcache_cache_bypass(cs42l73->regmap, false);
ret = snd_soc_register_codec(&i2c_client->dev,
&soc_codec_dev_cs42l73, cs42l73_dai,
@@ -1478,6 +1511,12 @@ static int cs42l73_i2c_remove(struct i2c_client *client)
return 0;
}
+static const struct of_device_id cs42l73_of_match[] = {
+ { .compatible = "cirrus,cs42l73", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, cs42l73_of_match);
+
static const struct i2c_device_id cs42l73_id[] = {
{"cs42l73", 0},
{}
@@ -1489,6 +1528,7 @@ static struct i2c_driver cs42l73_i2c_driver = {
.driver = {
.name = "cs42l73",
.owner = THIS_MODULE,
+ .of_match_table = cs42l73_of_match,
},
.id_table = cs42l73_id,
.probe = cs42l73_i2c_probe,
generated by cgit v0.10.2 at 2024-11-02 17:42:12 (GMT)