1 files changed, 77 insertions, 37 deletions

diff --git a/sound/soc/codecs/cs42l73.c b/sound/soc/codecs/cs42l73.c
index 3b20c86cdb01..549d5d6a3fef 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,