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Diffstat (limited to 'sound/soc/codecs/ssm2602.c')
-rw-r--r--sound/soc/codecs/ssm2602.c345
1 files changed, 116 insertions, 229 deletions
diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c
index 333dd98af39..97b0454eb34 100644
--- a/sound/soc/codecs/ssm2602.c
+++ b/sound/soc/codecs/ssm2602.c
@@ -27,35 +27,22 @@
*/
#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/pm.h>
-#include <linux/i2c.h>
-#include <linux/spi/spi.h>
+#include <linux/regmap.h>
#include <linux/slab.h>
-#include <sound/core.h>
+
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/initval.h>
#include <sound/tlv.h>
#include "ssm2602.h"
-#define SSM2602_VERSION "0.1"
-
-enum ssm2602_type {
- SSM2602,
- SSM2604,
-};
-
/* codec private data */
struct ssm2602_priv {
unsigned int sysclk;
- enum snd_soc_control_type control_type;
- struct snd_pcm_substream *master_substream;
- struct snd_pcm_substream *slave_substream;
+ const struct snd_pcm_hw_constraint_list *sysclk_constraints;
+
+ struct regmap *regmap;
enum ssm2602_type type;
unsigned int clk_out_pwr;
@@ -73,19 +60,19 @@ static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
0x0000, 0x0000
};
-#define ssm2602_reset(c) snd_soc_write(c, SSM2602_RESET, 0)
/*Appending several "None"s just for OSS mixer use*/
static const char *ssm2602_input_select[] = {
- "Line", "Mic", "None", "None", "None",
- "None", "None", "None",
+ "Line", "Mic",
};
static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
static const struct soc_enum ssm2602_enum[] = {
- SOC_ENUM_SINGLE(SSM2602_APANA, 2, 2, ssm2602_input_select),
- SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, 4, ssm2602_deemph),
+ SOC_ENUM_SINGLE(SSM2602_APANA, 2, ARRAY_SIZE(ssm2602_input_select),
+ ssm2602_input_select),
+ SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, ARRAY_SIZE(ssm2602_deemph),
+ ssm2602_deemph),
};
static const unsigned int ssm260x_outmix_tlv[] = {
@@ -195,6 +182,24 @@ static const struct snd_soc_dapm_route ssm2604_routes[] = {
{"ADC", NULL, "Line Input"},
};
+static const unsigned int ssm2602_rates_12288000[] = {
+ 8000, 16000, 32000, 48000, 96000,
+};
+
+static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = {
+ .list = ssm2602_rates_12288000,
+ .count = ARRAY_SIZE(ssm2602_rates_12288000),
+};
+
+static const unsigned int ssm2602_rates_11289600[] = {
+ 8000, 44100, 88200,
+};
+
+static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = {
+ .list = ssm2602_rates_11289600,
+ .count = ARRAY_SIZE(ssm2602_rates_11289600),
+};
+
struct ssm2602_coeff {
u32 mclk;
u32 rate;
@@ -215,6 +220,11 @@ static const struct ssm2602_coeff ssm2602_coeff_table[] = {
{18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)},
{12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)},
+ /* 16k */
+ {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)},
+ {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)},
+ {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)},
+
/* 8k */
{12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)},
{18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)},
@@ -254,101 +264,63 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
- u16 iface = snd_soc_read(codec, SSM2602_IFACE) & 0xfff3;
int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params));
-
- if (substream == ssm2602->slave_substream) {
- dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n");
- return 0;
- }
+ unsigned int iface;
if (srate < 0)
return srate;
- snd_soc_write(codec, SSM2602_SRATE, srate);
+ regmap_write(ssm2602->regmap, SSM2602_SRATE, srate);
/* bit size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
+ iface = 0x0;
break;
case SNDRV_PCM_FORMAT_S20_3LE:
- iface |= 0x0004;
+ iface = 0x4;
break;
case SNDRV_PCM_FORMAT_S24_LE:
- iface |= 0x0008;
+ iface = 0x8;
break;
case SNDRV_PCM_FORMAT_S32_LE:
- iface |= 0x000c;
+ iface = 0xc;
break;
+ default:
+ return -EINVAL;
}
- snd_soc_write(codec, SSM2602_IFACE, iface);
+ regmap_update_bits(ssm2602->regmap, SSM2602_IFACE,
+ IFACE_AUDIO_DATA_LEN, iface);
return 0;
}
static int ssm2602_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
- struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
- struct snd_pcm_runtime *master_runtime;
-
- /* The DAI has shared clocks so if we already have a playback or
- * capture going then constrain this substream to match it.
- * TODO: the ssm2602 allows pairs of non-matching PB/REC rates
- */
- if (ssm2602->master_substream) {
- master_runtime = ssm2602->master_substream->runtime;
- dev_dbg(codec->dev, "Constraining to %d bits at %dHz\n",
- master_runtime->sample_bits,
- master_runtime->rate);
-
- if (master_runtime->rate != 0)
- snd_pcm_hw_constraint_minmax(substream->runtime,
- SNDRV_PCM_HW_PARAM_RATE,
- master_runtime->rate,
- master_runtime->rate);
-
- if (master_runtime->sample_bits != 0)
- snd_pcm_hw_constraint_minmax(substream->runtime,
- SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
- master_runtime->sample_bits,
- master_runtime->sample_bits);
-
- ssm2602->slave_substream = substream;
- } else
- ssm2602->master_substream = substream;
-
- return 0;
-}
-
-static void ssm2602_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
- if (ssm2602->master_substream == substream)
- ssm2602->master_substream = ssm2602->slave_substream;
+ if (ssm2602->sysclk_constraints) {
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ ssm2602->sysclk_constraints);
+ }
- ssm2602->slave_substream = NULL;
+ return 0;
}
-
static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
{
- struct snd_soc_codec *codec = dai->codec;
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec);
if (mute)
- snd_soc_update_bits(codec, SSM2602_APDIGI,
+ regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
APDIGI_ENABLE_DAC_MUTE,
APDIGI_ENABLE_DAC_MUTE);
else
- snd_soc_update_bits(codec, SSM2602_APDIGI,
+ regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
APDIGI_ENABLE_DAC_MUTE, 0);
return 0;
}
@@ -364,16 +336,21 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
return -EINVAL;
switch (freq) {
- case 11289600:
- case 12000000:
case 12288000:
- case 16934400:
case 18432000:
- ssm2602->sysclk = freq;
+ ssm2602->sysclk_constraints = &ssm2602_constraints_12288000;
+ break;
+ case 11289600:
+ case 16934400:
+ ssm2602->sysclk_constraints = &ssm2602_constraints_11289600;
+ break;
+ case 12000000:
+ ssm2602->sysclk_constraints = NULL;
break;
default:
return -EINVAL;
}
+ ssm2602->sysclk = freq;
} else {
unsigned int mask;
@@ -393,7 +370,7 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
else
ssm2602->clk_out_pwr &= ~mask;
- snd_soc_update_bits(codec, SSM2602_PWR,
+ regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr);
}
@@ -403,8 +380,8 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- u16 iface = 0;
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec);
+ unsigned int iface = 0;
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@@ -455,7 +432,7 @@ static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
}
/* set iface */
- snd_soc_write(codec, SSM2602_IFACE, iface);
+ regmap_write(ssm2602->regmap, SSM2602_IFACE, iface);
return 0;
}
@@ -467,7 +444,7 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
switch (level) {
case SND_SOC_BIAS_ON:
/* vref/mid on, osc and clkout on if enabled */
- snd_soc_update_bits(codec, SSM2602_PWR,
+ regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
ssm2602->clk_out_pwr);
break;
@@ -475,13 +452,13 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
/* everything off except vref/vmid, */
- snd_soc_update_bits(codec, SSM2602_PWR,
+ regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
PWR_CLK_OUT_PDN | PWR_OSC_PDN);
break;
case SND_SOC_BIAS_OFF:
/* everything off */
- snd_soc_update_bits(codec, SSM2602_PWR,
+ regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
PWR_POWER_OFF, PWR_POWER_OFF);
break;
@@ -490,9 +467,10 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
return 0;
}
-#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_32000 |\
- SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
- SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
+ SNDRV_PCM_RATE_96000)
#define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
@@ -500,7 +478,6 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
static const struct snd_soc_dai_ops ssm2602_dai_ops = {
.startup = ssm2602_startup,
.hw_params = ssm2602_hw_params,
- .shutdown = ssm2602_shutdown,
.digital_mute = ssm2602_mute,
.set_sysclk = ssm2602_set_dai_sysclk,
.set_fmt = ssm2602_set_dai_fmt,
@@ -521,6 +498,8 @@ static struct snd_soc_dai_driver ssm2602_dai = {
.rates = SSM2602_RATES,
.formats = SSM2602_FORMATS,},
.ops = &ssm2602_dai_ops,
+ .symmetric_rates = 1,
+ .symmetric_samplebits = 1,
};
static int ssm2602_suspend(struct snd_soc_codec *codec)
@@ -531,24 +510,26 @@ static int ssm2602_suspend(struct snd_soc_codec *codec)
static int ssm2602_resume(struct snd_soc_codec *codec)
{
- snd_soc_cache_sync(codec);
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
+ regcache_sync(ssm2602->regmap);
ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
-static int ssm2602_probe(struct snd_soc_codec *codec)
+static int ssm2602_codec_probe(struct snd_soc_codec *codec)
{
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret;
- snd_soc_update_bits(codec, SSM2602_LOUT1V,
+ regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V,
LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH);
- snd_soc_update_bits(codec, SSM2602_ROUT1V,
+ regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V,
ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH);
- ret = snd_soc_add_controls(codec, ssm2602_snd_controls,
+ ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls,
ARRAY_SIZE(ssm2602_snd_controls));
if (ret)
return ret;
@@ -562,7 +543,7 @@ static int ssm2602_probe(struct snd_soc_codec *codec)
ARRAY_SIZE(ssm2602_routes));
}
-static int ssm2604_probe(struct snd_soc_codec *codec)
+static int ssm2604_codec_probe(struct snd_soc_codec *codec)
{
struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret;
@@ -576,40 +557,32 @@ static int ssm2604_probe(struct snd_soc_codec *codec)
ARRAY_SIZE(ssm2604_routes));
}
-static int ssm260x_probe(struct snd_soc_codec *codec)
+static int ssm260x_codec_probe(struct snd_soc_codec *codec)
{
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
int ret;
- pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION);
-
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, ssm2602->control_type);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- return ret;
- }
-
- ret = ssm2602_reset(codec);
+ ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
return ret;
}
/* set the update bits */
- snd_soc_update_bits(codec, SSM2602_LINVOL,
+ regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL,
LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH);
- snd_soc_update_bits(codec, SSM2602_RINVOL,
+ regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL,
RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH);
/*select Line in as default input*/
- snd_soc_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
+ regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC |
APANA_ENABLE_MIC_BOOST);
switch (ssm2602->type) {
case SSM2602:
- ret = ssm2602_probe(codec);
+ ret = ssm2602_codec_probe(codec);
break;
case SSM2604:
- ret = ssm2604_probe(codec);
+ ret = ssm2604_codec_probe(codec);
break;
}
@@ -629,14 +602,11 @@ static int ssm2602_remove(struct snd_soc_codec *codec)
}
static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
- .probe = ssm260x_probe,
+ .probe = ssm260x_codec_probe,
.remove = ssm2602_remove,
.suspend = ssm2602_suspend,
.resume = ssm2602_resume,
.set_bias_level = ssm2602_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(ssm2602_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = ssm2602_reg,
.controls = ssm260x_snd_controls,
.num_controls = ARRAY_SIZE(ssm260x_snd_controls),
@@ -646,127 +616,44 @@ static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
.num_dapm_routes = ARRAY_SIZE(ssm260x_routes),
};
-#if defined(CONFIG_SPI_MASTER)
-static int __devinit ssm2602_spi_probe(struct spi_device *spi)
+static bool ssm2602_register_volatile(struct device *dev, unsigned int reg)
{
- struct ssm2602_priv *ssm2602;
- int ret;
-
- ssm2602 = devm_kzalloc(&spi->dev, sizeof(struct ssm2602_priv),
- GFP_KERNEL);
- if (ssm2602 == NULL)
- return -ENOMEM;
-
- spi_set_drvdata(spi, ssm2602);
- ssm2602->control_type = SND_SOC_SPI;
- ssm2602->type = SSM2602;
-
- ret = snd_soc_register_codec(&spi->dev,
- &soc_codec_dev_ssm2602, &ssm2602_dai, 1);
- return ret;
+ return reg == SSM2602_RESET;
}
-static int __devexit ssm2602_spi_remove(struct spi_device *spi)
-{
- snd_soc_unregister_codec(&spi->dev);
- return 0;
-}
+const struct regmap_config ssm2602_regmap_config = {
+ .val_bits = 9,
+ .reg_bits = 7,
-static struct spi_driver ssm2602_spi_driver = {
- .driver = {
- .name = "ssm2602",
- .owner = THIS_MODULE,
- },
- .probe = ssm2602_spi_probe,
- .remove = __devexit_p(ssm2602_spi_remove),
+ .max_register = SSM2602_RESET,
+ .volatile_reg = ssm2602_register_volatile,
+
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults_raw = ssm2602_reg,
+ .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg),
};
-#endif
+EXPORT_SYMBOL_GPL(ssm2602_regmap_config);
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-/*
- * ssm2602 2 wire address is determined by GPIO5
- * state during powerup.
- * low = 0x1a
- * high = 0x1b
- */
-static int __devinit ssm2602_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+int ssm2602_probe(struct device *dev, enum ssm2602_type type,
+ struct regmap *regmap)
{
struct ssm2602_priv *ssm2602;
- int ret;
- ssm2602 = devm_kzalloc(&i2c->dev, sizeof(struct ssm2602_priv),
- GFP_KERNEL);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL);
if (ssm2602 == NULL)
return -ENOMEM;
- i2c_set_clientdata(i2c, ssm2602);
- ssm2602->control_type = SND_SOC_I2C;
- ssm2602->type = id->driver_data;
-
- ret = snd_soc_register_codec(&i2c->dev,
- &soc_codec_dev_ssm2602, &ssm2602_dai, 1);
- return ret;
-}
-
-static int __devexit ssm2602_i2c_remove(struct i2c_client *client)
-{
- snd_soc_unregister_codec(&client->dev);
- return 0;
-}
-
-static const struct i2c_device_id ssm2602_i2c_id[] = {
- { "ssm2602", SSM2602 },
- { "ssm2603", SSM2602 },
- { "ssm2604", SSM2604 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
-
-/* corgi i2c codec control layer */
-static struct i2c_driver ssm2602_i2c_driver = {
- .driver = {
- .name = "ssm2602",
- .owner = THIS_MODULE,
- },
- .probe = ssm2602_i2c_probe,
- .remove = __devexit_p(ssm2602_i2c_remove),
- .id_table = ssm2602_i2c_id,
-};
-#endif
-
-
-static int __init ssm2602_modinit(void)
-{
- int ret = 0;
-
-#if defined(CONFIG_SPI_MASTER)
- ret = spi_register_driver(&ssm2602_spi_driver);
- if (ret)
- return ret;
-#endif
-
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- ret = i2c_add_driver(&ssm2602_i2c_driver);
- if (ret)
- return ret;
-#endif
-
- return ret;
-}
-module_init(ssm2602_modinit);
-
-static void __exit ssm2602_exit(void)
-{
-#if defined(CONFIG_SPI_MASTER)
- spi_unregister_driver(&ssm2602_spi_driver);
-#endif
+ dev_set_drvdata(dev, ssm2602);
+ ssm2602->type = SSM2602;
+ ssm2602->regmap = regmap;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- i2c_del_driver(&ssm2602_i2c_driver);
-#endif
+ return snd_soc_register_codec(dev, &soc_codec_dev_ssm2602,
+ &ssm2602_dai, 1);
}
-module_exit(ssm2602_exit);
+EXPORT_SYMBOL_GPL(ssm2602_probe);
MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver");
MODULE_AUTHOR("Cliff Cai");