* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
- * Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com>
- * Improved support for DAPM and audio routing/mixing capabilities,
- * added TLV support.
+ * Copyright (c) 2007-2009 Philipp Zabel <philipp.zabel@gmail.com>
*
* Modified by Richard Purdie <richard@openedhand.com> to fit into SoC
* codec model.
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
-#include <linux/string.h>
#include <linux/slab.h>
#include <linux/errno.h>
-#include <linux/ioctl.h>
+#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/workqueue.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/initval.h>
-#include <sound/info.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
+#include <sound/uda1380.h>
#include "uda1380.h"
-static struct work_struct uda1380_work;
static struct snd_soc_codec *uda1380_codec;
+/* codec private data */
+struct uda1380_priv {
+ struct snd_soc_codec codec;
+ u16 reg_cache[UDA1380_CACHEREGNUM];
+ unsigned int dac_clk;
+ struct work_struct work;
+};
+
/*
* uda1380 register cache
*/
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 uda1380_priv *uda1380 = codec->private_data;
int mixer = uda1380_read_reg_cache(codec, UDA1380_MIXER);
switch (cmd) {
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
uda1380_write_reg_cache(codec, UDA1380_MIXER,
mixer & ~R14_SILENCE);
- schedule_work(&uda1380_work);
+ schedule_work(&uda1380->work);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
uda1380_write_reg_cache(codec, UDA1380_MIXER,
mixer | R14_SILENCE);
- schedule_work(&uda1380_work);
+ schedule_work(&uda1380->work);
break;
}
return 0;
return 0;
}
-/*
- * initialise the UDA1380 driver
- * register mixer and dsp interfaces with the kernel
- */
-static int uda1380_init(struct snd_soc_device *socdev, int dac_clk)
+static int uda1380_probe(struct platform_device *pdev)
{
- struct snd_soc_codec *codec = socdev->card->codec;
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ struct uda1380_platform_data *pdata;
int ret = 0;
- codec->name = "UDA1380";
- codec->owner = THIS_MODULE;
- codec->read = uda1380_read_reg_cache;
- codec->write = uda1380_write;
- codec->set_bias_level = uda1380_set_bias_level;
- codec->dai = uda1380_dai;
- codec->num_dai = ARRAY_SIZE(uda1380_dai);
- codec->reg_cache = kmemdup(uda1380_reg, sizeof(uda1380_reg),
- GFP_KERNEL);
- if (codec->reg_cache == NULL)
- return -ENOMEM;
- codec->reg_cache_size = ARRAY_SIZE(uda1380_reg);
- codec->reg_cache_step = 1;
- uda1380_reset(codec);
+ if (uda1380_codec == NULL) {
+ dev_err(&pdev->dev, "Codec device not registered\n");
+ return -ENODEV;
+ }
- uda1380_codec = codec;
- INIT_WORK(&uda1380_work, uda1380_flush_work);
+ socdev->card->codec = uda1380_codec;
+ codec = uda1380_codec;
+ pdata = codec->dev->platform_data;
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
- pr_err("uda1380: failed to create pcms\n");
+ dev_err(codec->dev, "failed to create pcms: %d\n", ret);
goto pcm_err;
}
/* power on device */
uda1380_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* set clock input */
- switch (dac_clk) {
+ switch (pdata->dac_clk) {
case UDA1380_DAC_CLK_SYSCLK:
uda1380_write(codec, UDA1380_CLK, 0);
break;
break;
}
- /* uda1380 init */
snd_soc_add_controls(codec, uda1380_snd_controls,
ARRAY_SIZE(uda1380_snd_controls));
uda1380_add_widgets(codec);
ret = snd_soc_init_card(socdev);
if (ret < 0) {
- pr_err("uda1380: failed to register card\n");
+ dev_err(codec->dev, "failed to register card: %d\n", ret);
goto card_err;
}
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
pcm_err:
- kfree(codec->reg_cache);
return ret;
}
-static struct snd_soc_device *uda1380_socdev;
-
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-
-static int uda1380_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+/* power down chip */
+static int uda1380_remove(struct platform_device *pdev)
{
- struct snd_soc_device *socdev = uda1380_socdev;
- struct uda1380_setup_data *setup = socdev->codec_data;
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
- int ret;
-
- i2c_set_clientdata(i2c, codec);
- codec->control_data = i2c;
- ret = uda1380_init(socdev, setup->dac_clk);
- if (ret < 0)
- pr_err("uda1380: failed to initialise UDA1380\n");
+ if (codec->control_data)
+ uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF);
- return ret;
-}
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
-static int uda1380_i2c_remove(struct i2c_client *client)
-{
- struct snd_soc_codec *codec = i2c_get_clientdata(client);
- kfree(codec->reg_cache);
return 0;
}
-static const struct i2c_device_id uda1380_i2c_id[] = {
- { "uda1380", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, uda1380_i2c_id);
-
-static struct i2c_driver uda1380_i2c_driver = {
- .driver = {
- .name = "UDA1380 I2C Codec",
- .owner = THIS_MODULE,
- },
- .probe = uda1380_i2c_probe,
- .remove = uda1380_i2c_remove,
- .id_table = uda1380_i2c_id,
+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_add_i2c_device(struct platform_device *pdev,
- const struct uda1380_setup_data *setup)
+static int uda1380_register(struct uda1380_priv *uda1380)
{
- struct i2c_board_info info;
- struct i2c_adapter *adapter;
- struct i2c_client *client;
- int ret;
+ int ret, i;
+ struct snd_soc_codec *codec = &uda1380->codec;
+ struct uda1380_platform_data *pdata = codec->dev->platform_data;
- ret = i2c_add_driver(&uda1380_i2c_driver);
- if (ret != 0) {
- dev_err(&pdev->dev, "can't add i2c driver\n");
- return ret;
+ 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);
+
+ codec->private_data = 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;
}
- memset(&info, 0, sizeof(struct i2c_board_info));
- info.addr = setup->i2c_address;
- strlcpy(info.type, "uda1380", I2C_NAME_SIZE);
+ INIT_WORK(&uda1380->work, uda1380_flush_work);
+
+ for (i = 0; i < ARRAY_SIZE(uda1380_dai); i++)
+ uda1380_dai[i].dev = codec->dev;
- adapter = i2c_get_adapter(setup->i2c_bus);
- if (!adapter) {
- dev_err(&pdev->dev, "can't get i2c adapter %d\n",
- setup->i2c_bus);
- goto err_driver;
+ 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;
}
- client = i2c_new_device(adapter, &info);
- i2c_put_adapter(adapter);
- if (!client) {
- dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
- (unsigned int)info.addr);
- goto err_driver;
+ 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_driver:
- i2c_del_driver(&uda1380_i2c_driver);
- return -ENODEV;
+err_dai:
+ snd_soc_unregister_codec(codec);
+err_reset:
+ gpio_set_value(pdata->gpio_power, 0);
+ gpio_free(pdata->gpio_reset);
+err_gpio:
+ gpio_free(pdata->gpio_power);
+err_out:
+ return ret;
}
-#endif
-static int uda1380_probe(struct platform_device *pdev)
+static void uda1380_unregister(struct uda1380_priv *uda1380)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct uda1380_setup_data *setup;
+ struct snd_soc_codec *codec = &uda1380->codec;
+ 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);
+
+ gpio_set_value(pdata->gpio_power, 0);
+ gpio_free(pdata->gpio_reset);
+ gpio_free(pdata->gpio_power);
+
+ kfree(uda1380);
+ uda1380_codec = NULL;
+}
+
+#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;
- setup = socdev->codec_data;
- codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
- if (codec == NULL)
+ uda1380 = kzalloc(sizeof(struct uda1380_priv), GFP_KERNEL);
+ if (uda1380 == NULL)
return -ENOMEM;
- socdev->card->codec = codec;
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
+ codec = &uda1380->codec;
+ codec->hw_write = (hw_write_t)i2c_master_send;
- uda1380_socdev = socdev;
- ret = -ENODEV;
+ i2c_set_clientdata(i2c, uda1380);
+ codec->control_data = i2c;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- if (setup->i2c_address) {
- codec->hw_write = (hw_write_t)i2c_master_send;
- ret = uda1380_add_i2c_device(pdev, setup);
- }
-#endif
+ codec->dev = &i2c->dev;
+ ret = uda1380_register(uda1380);
if (ret != 0)
- kfree(codec);
+ kfree(uda1380);
+
return ret;
}
-/* power down chip */
-static int uda1380_remove(struct platform_device *pdev)
+static int __devexit uda1380_i2c_remove(struct i2c_client *i2c)
{
- 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);
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- i2c_unregister_device(codec->control_data);
- i2c_del_driver(&uda1380_i2c_driver);
-#endif
- kfree(codec);
-
+ struct uda1380_priv *uda1380 = i2c_get_clientdata(i2c);
+ uda1380_unregister(uda1380);
return 0;
}
-struct snd_soc_codec_device soc_codec_dev_uda1380 = {
- .probe = uda1380_probe,
- .remove = uda1380_remove,
- .suspend = uda1380_suspend,
- .resume = uda1380_resume,
+static const struct i2c_device_id uda1380_i2c_id[] = {
+ { "uda1380", 0 },
+ { }
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_uda1380);
+MODULE_DEVICE_TABLE(i2c, uda1380_i2c_id);
+
+static struct i2c_driver uda1380_i2c_driver = {
+ .driver = {
+ .name = "UDA1380 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = uda1380_i2c_probe,
+ .remove = __devexit_p(uda1380_i2c_remove),
+ .id_table = uda1380_i2c_id,
+};
+#endif
static int __init uda1380_modinit(void)
{
- return snd_soc_register_dais(uda1380_dai, ARRAY_SIZE(uda1380_dai));
+ int ret;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ ret = i2c_add_driver(&uda1380_i2c_driver);
+ if (ret != 0)
+ pr_err("Failed to register UDA1380 I2C driver: %d\n", ret);
+#endif
+ return 0;
}
module_init(uda1380_modinit);
static void __exit uda1380_exit(void)
{
- snd_soc_unregister_dais(uda1380_dai, ARRAY_SIZE(uda1380_dai));
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_del_driver(&uda1380_i2c_driver);
+#endif
}
module_exit(uda1380_exit);
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio.h>
+#include <linux/i2c.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
+#include <sound/uda1380.h>
#include <mach/magician.h>
#include <asm/mach-types.h>
.platform = &pxa2xx_soc_platform,
};
-/* magician audio private data */
-static struct uda1380_setup_data magician_uda1380_setup = {
- .i2c_address = 0x18,
- .dac_clk = UDA1380_DAC_CLK_WSPLL,
-};
-
/* magician audio subsystem */
static struct snd_soc_device magician_snd_devdata = {
.card = &snd_soc_card_magician,
.codec_dev = &soc_codec_dev_uda1380,
- .codec_data = &magician_uda1380_setup,
};
static struct platform_device *magician_snd_device;
+/*
+ * FIXME: move into magician board file once merged into the pxa tree
+ */
+static struct uda1380_platform_data uda1380_info = {
+ .gpio_power = EGPIO_MAGICIAN_CODEC_POWER,
+ .gpio_reset = EGPIO_MAGICIAN_CODEC_RESET,
+ .dac_clk = UDA1380_DAC_CLK_WSPLL,
+};
+
+static struct i2c_board_info i2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("uda1380", 0x18),
+ .platform_data = &uda1380_info,
+ },
+};
+
static int __init magician_init(void)
{
int ret;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
if (!machine_is_magician())
return -ENODEV;
- ret = gpio_request(EGPIO_MAGICIAN_CODEC_POWER, "CODEC_POWER");
- if (ret)
- goto err_request_power;
- ret = gpio_request(EGPIO_MAGICIAN_CODEC_RESET, "CODEC_RESET");
- if (ret)
- goto err_request_reset;
+ adapter = i2c_get_adapter(0);
+ if (!adapter)
+ return -ENODEV;
+ client = i2c_new_device(adapter, i2c_board_info);
+ i2c_put_adapter(adapter);
+ if (!client)
+ return -ENODEV;
+
ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER");
if (ret)
goto err_request_spk;
if (ret)
goto err_request_in_sel1;
- gpio_set_value(EGPIO_MAGICIAN_CODEC_POWER, 1);
gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0);
- /* we may need to have the clock running here - pH5 */
- gpio_set_value(EGPIO_MAGICIAN_CODEC_RESET, 1);
- udelay(5);
- gpio_set_value(EGPIO_MAGICIAN_CODEC_RESET, 0);
-
magician_snd_device = platform_device_alloc("soc-audio", -1);
if (!magician_snd_device) {
ret = -ENOMEM;
err_request_ep:
gpio_free(EGPIO_MAGICIAN_SPK_POWER);
err_request_spk:
- gpio_free(EGPIO_MAGICIAN_CODEC_RESET);
-err_request_reset:
- gpio_free(EGPIO_MAGICIAN_CODEC_POWER);
-err_request_power:
return ret;
}
gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0);
gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0);
gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0);
- gpio_set_value(EGPIO_MAGICIAN_CODEC_POWER, 0);
gpio_free(EGPIO_MAGICIAN_IN_SEL1);
gpio_free(EGPIO_MAGICIAN_IN_SEL0);
gpio_free(EGPIO_MAGICIAN_MIC_POWER);
gpio_free(EGPIO_MAGICIAN_EP_POWER);
gpio_free(EGPIO_MAGICIAN_SPK_POWER);
- gpio_free(EGPIO_MAGICIAN_CODEC_RESET);
- gpio_free(EGPIO_MAGICIAN_CODEC_POWER);
}
module_init(magician_init);
projects / openwrt / staging / blogic.git / commitdiff