#include <sound/control.h>
#include <sound/initval.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include <sound/uda1380.h>
#include "uda1380.h"
-static struct snd_soc_codec *uda1380_codec;
-
/* codec private data */
struct uda1380_priv {
- struct snd_soc_codec codec;
- u16 reg_cache[UDA1380_CACHEREGNUM];
+ struct snd_soc_codec *codec;
unsigned int dac_clk;
struct work_struct work;
+ void *control_data;
};
/*
return -EIO;
}
-#define uda1380_reset(c) uda1380_write(c, UDA1380_RESET, 0)
+static void uda1380_sync_cache(struct snd_soc_codec *codec)
+{
+ int reg;
+ u8 data[3];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (reg = 0; reg < UDA1380_MVOL; reg++) {
+ data[0] = reg;
+ data[1] = (cache[reg] & 0xff00) >> 8;
+ data[2] = cache[reg] & 0x00ff;
+ if (codec->hw_write(codec->control_data, data, 3) != 3)
+ dev_err(codec->dev, "%s: write to reg 0x%x failed\n",
+ __func__, reg);
+ }
+}
+
+static int uda1380_reset(struct snd_soc_codec *codec)
+{
+ struct uda1380_platform_data *pdata = codec->dev->platform_data;
+
+ if (gpio_is_valid(pdata->gpio_reset)) {
+ gpio_set_value(pdata->gpio_reset, 1);
+ mdelay(1);
+ gpio_set_value(pdata->gpio_reset, 0);
+ } else {
+ u8 data[3];
+
+ data[0] = UDA1380_RESET;
+ data[1] = 0;
+ data[2] = 0;
+
+ if (codec->hw_write(codec->control_data, data, 3) != 3) {
+ dev_err(codec->dev, "%s: failed\n", __func__);
+ return -EIO;
+ }
+ }
+
+ return 0;
+}
static void uda1380_flush_work(struct work_struct *work)
{
+ struct uda1380_priv *uda1380 = container_of(work, struct uda1380_priv, work);
+ struct snd_soc_codec *uda1380_codec = uda1380->codec;
int bit, reg;
for_each_set_bit(bit, &uda1380_cache_dirty, UDA1380_CACHEREGNUM - 0x10) {
uda1380_read_reg_cache(uda1380_codec, reg));
clear_bit(bit, &uda1380_cache_dirty);
}
+
}
/* declarations of ALSA reg_elem_REAL controls */
static int uda1380_add_widgets(struct snd_soc_codec *codec)
{
- snd_soc_dapm_new_controls(codec, uda1380_dapm_widgets,
- ARRAY_SIZE(uda1380_dapm_widgets));
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
- snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+ snd_soc_dapm_new_controls(dapm, uda1380_dapm_widgets,
+ ARRAY_SIZE(uda1380_dapm_widgets));
+ snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
return 0;
}
struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->card->codec;
+ struct snd_soc_codec *codec = rtd->codec;
struct uda1380_priv *uda1380 = snd_soc_codec_get_drvdata(codec);
int mixer = uda1380_read_reg_cache(codec, UDA1380_MIXER);
struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->card->codec;
+ struct snd_soc_codec *codec = rtd->codec;
u16 clk = uda1380_read_reg_cache(codec, UDA1380_CLK);
/* set WSPLL power and divider if running from this clock */
struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->card->codec;
+ struct snd_soc_codec *codec = rtd->codec;
u16 clk = uda1380_read_reg_cache(codec, UDA1380_CLK);
/* shut down WSPLL power if running from this clock */
enum snd_soc_bias_level level)
{
int pm = uda1380_read_reg_cache(codec, UDA1380_PM);
+ int reg;
+ struct uda1380_platform_data *pdata = codec->dev->platform_data;
+
+ if (codec->dapm.bias_level == level)
+ return 0;
switch (level) {
case SND_SOC_BIAS_ON:
case SND_SOC_BIAS_PREPARE:
+ /* ADC, DAC on */
uda1380_write(codec, UDA1380_PM, R02_PON_BIAS | pm);
break;
case SND_SOC_BIAS_STANDBY:
- uda1380_write(codec, UDA1380_PM, R02_PON_BIAS);
- break;
- case SND_SOC_BIAS_OFF:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ if (gpio_is_valid(pdata->gpio_power)) {
+ gpio_set_value(pdata->gpio_power, 1);
+ mdelay(1);
+ uda1380_reset(codec);
+ }
+
+ uda1380_sync_cache(codec);
+ }
uda1380_write(codec, UDA1380_PM, 0x0);
break;
+ case SND_SOC_BIAS_OFF:
+ if (!gpio_is_valid(pdata->gpio_power))
+ break;
+
+ gpio_set_value(pdata->gpio_power, 0);
+
+ /* Mark mixer regs cache dirty to sync them with
+ * codec regs on power on.
+ */
+ for (reg = UDA1380_MVOL; reg < UDA1380_CACHEREGNUM; reg++)
+ set_bit(reg - 0x10, &uda1380_cache_dirty);
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
.set_fmt = uda1380_set_dai_fmt_capture,
};
-struct snd_soc_dai uda1380_dai[] = {
+static struct snd_soc_dai_driver uda1380_dai[] = {
{
- .name = "UDA1380",
+ .name = "uda1380-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.ops = &uda1380_dai_ops,
},
{ /* playback only - dual interface */
- .name = "UDA1380",
+ .name = "uda1380-hifi-playback",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.ops = &uda1380_dai_ops_playback,
},
{ /* capture only - dual interface*/
- .name = "UDA1380",
+ .name = "uda1380-hifi-capture",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.ops = &uda1380_dai_ops_capture,
},
};
-EXPORT_SYMBOL_GPL(uda1380_dai);
-static int uda1380_suspend(struct platform_device *pdev, pm_message_t state)
+static int uda1380_suspend(struct snd_soc_codec *codec, pm_message_t state)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int uda1380_resume(struct platform_device *pdev)
+static int uda1380_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
-
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(uda1380_reg); i++) {
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
uda1380_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
-static int uda1380_probe(struct platform_device *pdev)
+static int uda1380_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- struct uda1380_platform_data *pdata;
- int ret = 0;
+ struct uda1380_platform_data *pdata =codec->dev->platform_data;
+ struct uda1380_priv *uda1380 = snd_soc_codec_get_drvdata(codec);
+ int ret;
- if (uda1380_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
+ uda1380->codec = codec;
+
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ codec->control_data = uda1380->control_data;
- socdev->card->codec = uda1380_codec;
- codec = uda1380_codec;
- pdata = codec->dev->platform_data;
+ if (!pdata)
+ return -EINVAL;
+
+ if (gpio_is_valid(pdata->gpio_reset)) {
+ ret = gpio_request(pdata->gpio_reset, "uda1380 reset");
+ if (ret)
+ goto err_out;
+ ret = gpio_direction_output(pdata->gpio_reset, 0);
+ if (ret)
+ goto err_gpio_reset_conf;
+ }
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- dev_err(codec->dev, "failed to create pcms: %d\n", ret);
- goto pcm_err;
+ if (gpio_is_valid(pdata->gpio_power)) {
+ ret = gpio_request(pdata->gpio_power, "uda1380 power");
+ if (ret)
+ goto err_gpio;
+ ret = gpio_direction_output(pdata->gpio_power, 0);
+ if (ret)
+ goto err_gpio_power_conf;
+ } else {
+ ret = uda1380_reset(codec);
+ if (ret) {
+ dev_err(codec->dev, "Failed to issue reset\n");
+ goto err_reset;
+ }
}
+ INIT_WORK(&uda1380->work, uda1380_flush_work);
+
/* power on device */
uda1380_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* set clock input */
switch (pdata->dac_clk) {
case UDA1380_DAC_CLK_SYSCLK:
- uda1380_write(codec, UDA1380_CLK, 0);
+ uda1380_write_reg_cache(codec, UDA1380_CLK, 0);
break;
case UDA1380_DAC_CLK_WSPLL:
- uda1380_write(codec, UDA1380_CLK, R00_DAC_CLK);
+ uda1380_write_reg_cache(codec, UDA1380_CLK,
+ R00_DAC_CLK);
break;
}
ARRAY_SIZE(uda1380_snd_controls));
uda1380_add_widgets(codec);
- return ret;
-
-pcm_err:
- return ret;
-}
-
-/* power down chip */
-static int uda1380_remove(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- if (codec->control_data)
- uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-
- return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_uda1380 = {
- .probe = uda1380_probe,
- .remove = uda1380_remove,
- .suspend = uda1380_suspend,
- .resume = uda1380_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_uda1380);
-
-static int uda1380_register(struct uda1380_priv *uda1380)
-{
- int ret, i;
- struct snd_soc_codec *codec = &uda1380->codec;
- struct uda1380_platform_data *pdata = codec->dev->platform_data;
-
- if (uda1380_codec) {
- dev_err(codec->dev, "Another UDA1380 is registered\n");
- return -EINVAL;
- }
-
- if (!pdata || !pdata->gpio_power || !pdata->gpio_reset)
- return -EINVAL;
-
- ret = gpio_request(pdata->gpio_power, "uda1380 power");
- if (ret)
- goto err_out;
- ret = gpio_request(pdata->gpio_reset, "uda1380 reset");
- if (ret)
- goto err_gpio;
-
- gpio_direction_output(pdata->gpio_power, 1);
-
- /* we may need to have the clock running here - pH5 */
- gpio_direction_output(pdata->gpio_reset, 1);
- udelay(5);
- gpio_set_value(pdata->gpio_reset, 0);
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- snd_soc_codec_set_drvdata(codec, uda1380);
- codec->name = "UDA1380";
- codec->owner = THIS_MODULE;
- codec->read = uda1380_read_reg_cache;
- codec->write = uda1380_write;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = uda1380_set_bias_level;
- codec->dai = uda1380_dai;
- codec->num_dai = ARRAY_SIZE(uda1380_dai);
- codec->reg_cache_size = ARRAY_SIZE(uda1380_reg);
- codec->reg_cache = &uda1380->reg_cache;
- codec->reg_cache_step = 1;
-
- memcpy(codec->reg_cache, uda1380_reg, sizeof(uda1380_reg));
-
- ret = uda1380_reset(codec);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to issue reset\n");
- goto err_reset;
- }
-
- INIT_WORK(&uda1380->work, uda1380_flush_work);
-
- for (i = 0; i < ARRAY_SIZE(uda1380_dai); i++)
- uda1380_dai[i].dev = codec->dev;
-
- uda1380_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err_reset;
- }
-
- ret = snd_soc_register_dais(uda1380_dai, ARRAY_SIZE(uda1380_dai));
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAIs: %d\n", ret);
- goto err_dai;
- }
-
return 0;
-err_dai:
- snd_soc_unregister_codec(codec);
err_reset:
- gpio_set_value(pdata->gpio_power, 0);
- gpio_free(pdata->gpio_reset);
+err_gpio_power_conf:
+ if (gpio_is_valid(pdata->gpio_power))
+ gpio_free(pdata->gpio_power);
+
+err_gpio_reset_conf:
err_gpio:
- gpio_free(pdata->gpio_power);
+ if (gpio_is_valid(pdata->gpio_reset))
+ gpio_free(pdata->gpio_reset);
err_out:
return ret;
}
-static void uda1380_unregister(struct uda1380_priv *uda1380)
+/* power down chip */
+static int uda1380_remove(struct snd_soc_codec *codec)
{
- struct snd_soc_codec *codec = &uda1380->codec;
- struct uda1380_platform_data *pdata = codec->dev->platform_data;
+ struct uda1380_platform_data *pdata =codec->dev->platform_data;
- snd_soc_unregister_dais(uda1380_dai, ARRAY_SIZE(uda1380_dai));
- snd_soc_unregister_codec(&uda1380->codec);
+ uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF);
- gpio_set_value(pdata->gpio_power, 0);
gpio_free(pdata->gpio_reset);
gpio_free(pdata->gpio_power);
- kfree(uda1380);
- uda1380_codec = NULL;
+ return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_uda1380 = {
+ .probe = uda1380_probe,
+ .remove = uda1380_remove,
+ .suspend = uda1380_suspend,
+ .resume = uda1380_resume,
+ .read = uda1380_read_reg_cache,
+ .write = uda1380_write,
+ .set_bias_level = uda1380_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(uda1380_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = uda1380_reg,
+ .reg_cache_step = 1,
+};
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static __devinit int uda1380_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct uda1380_priv *uda1380;
- struct snd_soc_codec *codec;
int ret;
uda1380 = kzalloc(sizeof(struct uda1380_priv), GFP_KERNEL);
if (uda1380 == NULL)
return -ENOMEM;
- codec = &uda1380->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
-
i2c_set_clientdata(i2c, uda1380);
- codec->control_data = i2c;
+ uda1380->control_data = i2c;
- codec->dev = &i2c->dev;
-
- ret = uda1380_register(uda1380);
- if (ret != 0)
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_uda1380, uda1380_dai, ARRAY_SIZE(uda1380_dai));
+ if (ret < 0)
kfree(uda1380);
-
return ret;
}
static int __devexit uda1380_i2c_remove(struct i2c_client *i2c)
{
- struct uda1380_priv *uda1380 = i2c_get_clientdata(i2c);
- uda1380_unregister(uda1380);
+ snd_soc_unregister_codec(&i2c->dev);
+ kfree(i2c_get_clientdata(i2c));
return 0;
}
static struct i2c_driver uda1380_i2c_driver = {
.driver = {
- .name = "UDA1380 I2C Codec",
+ .name = "uda1380-codec",
.owner = THIS_MODULE,
},
.probe = uda1380_i2c_probe,
projects / mv-sheeva.git / blobdiff