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-rw-r--r--include/sound/soc.h147
1 files changed, 135 insertions, 12 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 74921f20a1d..bfa4836ea10 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -234,6 +234,7 @@ struct snd_soc_codec;
struct snd_soc_codec_driver;
struct soc_enum;
struct snd_soc_jack;
+struct snd_soc_jack_zone;
struct snd_soc_jack_pin;
struct snd_soc_cache_ops;
#include <sound/soc-dapm.h>
@@ -258,6 +259,16 @@ enum snd_soc_compress_type {
SND_SOC_RBTREE_COMPRESSION
};
+int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
+ unsigned int freq, int dir);
+int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
+ unsigned int freq_in, unsigned int freq_out);
+
+int snd_soc_register_card(struct snd_soc_card *card);
+int snd_soc_unregister_card(struct snd_soc_card *card);
+int snd_soc_suspend(struct device *dev);
+int snd_soc_resume(struct device *dev);
+int snd_soc_poweroff(struct device *dev);
int snd_soc_register_platform(struct device *dev,
struct snd_soc_platform_driver *platform_drv);
void snd_soc_unregister_platform(struct device *dev);
@@ -265,7 +276,8 @@ int snd_soc_register_codec(struct device *dev,
const struct snd_soc_codec_driver *codec_drv,
struct snd_soc_dai_driver *dai_drv, int num_dai);
void snd_soc_unregister_codec(struct device *dev);
-int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg);
+int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
+ unsigned int reg);
int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
int addr_bits, int data_bits,
enum snd_soc_control_type control);
@@ -276,6 +288,10 @@ int snd_soc_cache_write(struct snd_soc_codec *codec,
unsigned int reg, unsigned int value);
int snd_soc_cache_read(struct snd_soc_codec *codec,
unsigned int reg, unsigned int *value);
+int snd_soc_default_volatile_register(struct snd_soc_codec *codec,
+ unsigned int reg);
+int snd_soc_default_readable_register(struct snd_soc_codec *codec,
+ unsigned int reg);
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
@@ -297,6 +313,9 @@ void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
struct notifier_block *nb);
void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
struct notifier_block *nb);
+int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_zone *zones);
+int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
#ifdef CONFIG_GPIOLIB
int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
struct snd_soc_jack_gpio *gpios);
@@ -321,7 +340,8 @@ void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
*Controls
*/
struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
- void *data, char *long_name);
+ void *data, char *long_name,
+ const char *prefix);
int snd_soc_add_controls(struct snd_soc_codec *codec,
const struct snd_kcontrol_new *controls, int num_controls);
int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
@@ -367,6 +387,22 @@ int snd_soc_put_volsw_2r_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
/**
+ * struct snd_soc_reg_access - Describes whether a given register is
+ * readable, writable or volatile.
+ *
+ * @reg: the register number
+ * @read: whether this register is readable
+ * @write: whether this register is writable
+ * @vol: whether this register is volatile
+ */
+struct snd_soc_reg_access {
+ u16 reg;
+ u16 read;
+ u16 write;
+ u16 vol;
+};
+
+/**
* struct snd_soc_jack_pin - Describes a pin to update based on jack detection
*
* @pin: name of the pin to update
@@ -381,6 +417,24 @@ struct snd_soc_jack_pin {
};
/**
+ * struct snd_soc_jack_zone - Describes voltage zones of jack detection
+ *
+ * @min_mv: start voltage in mv
+ * @max_mv: end voltage in mv
+ * @jack_type: type of jack that is expected for this voltage
+ * @debounce_time: debounce_time for jack, codec driver should wait for this
+ * duration before reading the adc for voltages
+ * @:list: list container
+ */
+struct snd_soc_jack_zone {
+ unsigned int min_mv;
+ unsigned int max_mv;
+ unsigned int jack_type;
+ unsigned int debounce_time;
+ struct list_head list;
+};
+
+/**
* struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
*
* @gpio: gpio number
@@ -388,6 +442,10 @@ struct snd_soc_jack_pin {
* @report: value to report when jack detected
* @invert: report presence in low state
* @debouce_time: debouce time in ms
+ * @wake: enable as wake source
+ * @jack_status_check: callback function which overrides the detection
+ * to provide more complex checks (eg, reading an
+ * ADC).
*/
#ifdef CONFIG_GPIOLIB
struct snd_soc_jack_gpio {
@@ -396,6 +454,8 @@ struct snd_soc_jack_gpio {
int report;
int invert;
int debounce_time;
+ bool wake;
+
struct snd_soc_jack *jack;
struct delayed_work work;
@@ -409,6 +469,7 @@ struct snd_soc_jack {
struct list_head pins;
int status;
struct blocking_notifier_head notifier;
+ struct list_head jack_zones;
};
/* SoC PCM stream information */
@@ -459,18 +520,22 @@ struct snd_soc_codec {
struct list_head card_list;
int num_dai;
enum snd_soc_compress_type compress_type;
+ size_t reg_size; /* reg_cache_size * reg_word_size */
+ int (*volatile_register)(struct snd_soc_codec *, unsigned int);
+ int (*readable_register)(struct snd_soc_codec *, unsigned int);
/* runtime */
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
unsigned int active;
- unsigned int cache_only:1; /* Suppress writes to hardware */
- unsigned int cache_sync:1; /* Cache needs to be synced to hardware */
+ unsigned int cache_bypass:1; /* Suppress access to the cache */
unsigned int suspended:1; /* Codec is in suspend PM state */
unsigned int probed:1; /* Codec has been probed */
unsigned int ac97_registered:1; /* Codec has been AC97 registered */
unsigned int ac97_created:1; /* Codec has been created by SoC */
unsigned int sysfs_registered:1; /* codec has been sysfs registered */
unsigned int cache_init:1; /* codec cache has been initialized */
+ u32 cache_only; /* Suppress writes to hardware */
+ u32 cache_sync; /* Cache needs to be synced to hardware */
/* codec IO */
void *control_data; /* codec control (i2c/3wire) data */
@@ -503,22 +568,39 @@ struct snd_soc_codec_driver {
pm_message_t state);
int (*resume)(struct snd_soc_codec *);
+ /* Default DAPM setup, added after probe() is run */
+ const struct snd_soc_dapm_widget *dapm_widgets;
+ int num_dapm_widgets;
+ const struct snd_soc_dapm_route *dapm_routes;
+ int num_dapm_routes;
+
+ /* codec wide operations */
+ int (*set_sysclk)(struct snd_soc_codec *codec,
+ int clk_id, unsigned int freq, int dir);
+ int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
+ unsigned int freq_in, unsigned int freq_out);
+
/* codec IO */
unsigned int (*read)(struct snd_soc_codec *, unsigned int);
int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
int (*display_register)(struct snd_soc_codec *, char *,
size_t, unsigned int);
- int (*volatile_register)(unsigned int);
- int (*readable_register)(unsigned int);
+ int (*volatile_register)(struct snd_soc_codec *, unsigned int);
+ int (*readable_register)(struct snd_soc_codec *, unsigned int);
short reg_cache_size;
short reg_cache_step;
short reg_word_size;
const void *reg_cache_default;
+ short reg_access_size;
+ const struct snd_soc_reg_access *reg_access_default;
enum snd_soc_compress_type compress_type;
/* codec bias level */
int (*set_bias_level)(struct snd_soc_codec *,
enum snd_soc_bias_level level);
+
+ void (*seq_notifier)(struct snd_soc_dapm_context *,
+ enum snd_soc_dapm_type, int);
};
/* SoC platform interface */
@@ -617,15 +699,16 @@ struct snd_soc_card {
bool instantiated;
- int (*probe)(struct platform_device *pdev);
- int (*remove)(struct platform_device *pdev);
+ int (*probe)(struct snd_soc_card *card);
+ int (*late_probe)(struct snd_soc_card *card);
+ int (*remove)(struct snd_soc_card *card);
/* the pre and post PM functions are used to do any PM work before and
* after the codec and DAI's do any PM work. */
- int (*suspend_pre)(struct platform_device *pdev, pm_message_t state);
- int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
- int (*resume_pre)(struct platform_device *pdev);
- int (*resume_post)(struct platform_device *pdev);
+ int (*suspend_pre)(struct snd_soc_card *card);
+ int (*suspend_post)(struct snd_soc_card *card);
+ int (*resume_pre)(struct snd_soc_card *card);
+ int (*resume_post)(struct snd_soc_card *card);
/* callbacks */
int (*set_bias_level)(struct snd_soc_card *,
@@ -654,6 +737,14 @@ struct snd_soc_card {
struct snd_soc_pcm_runtime *rtd_aux;
int num_aux_rtd;
+ /*
+ * Card-specific routes and widgets.
+ */
+ struct snd_soc_dapm_widget *dapm_widgets;
+ int num_dapm_widgets;
+ struct snd_soc_dapm_route *dapm_routes;
+ int num_dapm_routes;
+
struct work_struct deferred_resume_work;
/* lists of probed devices belonging to this card */
@@ -665,11 +756,16 @@ struct snd_soc_card {
struct list_head paths;
struct list_head dapm_list;
+ /* Generic DAPM context for the card */
+ struct snd_soc_dapm_context dapm;
+
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_card_root;
struct dentry *debugfs_pop_time;
#endif
u32 pop_time;
+
+ void *drvdata;
};
/* SoC machine DAI configuration, glues a codec and cpu DAI together */
@@ -721,6 +817,17 @@ unsigned int snd_soc_write(struct snd_soc_codec *codec,
/* device driver data */
+static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
+ void *data)
+{
+ card->drvdata = data;
+}
+
+static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
+{
+ return card->drvdata;
+}
+
static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
void *data)
{
@@ -754,6 +861,22 @@ static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
return dev_get_drvdata(&rtd->dev);
}
+static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
+{
+ INIT_LIST_HEAD(&card->dai_dev_list);
+ INIT_LIST_HEAD(&card->codec_dev_list);
+ INIT_LIST_HEAD(&card->platform_dev_list);
+ INIT_LIST_HEAD(&card->widgets);
+ INIT_LIST_HEAD(&card->paths);
+ INIT_LIST_HEAD(&card->dapm_list);
+}
+
#include <sound/soc-dai.h>
+#ifdef CONFIG_DEBUG_FS
+extern struct dentry *snd_soc_debugfs_root;
+#endif
+
+extern const struct dev_pm_ops snd_soc_pm_ops;
+
#endif