#include <linux/platform_device.h>
#include <linux/types.h>
+#include <linux/notifier.h>
#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/control.h>
#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \
((unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
- .invert = xinvert})
+ .platform_max = xmax, .invert = xinvert})
#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
((unsigned long)&(struct soc_mixer_control) \
- {.reg = xreg, .max = xmax, .invert = xinvert})
+ {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
#define SOC_SINGLE(xname, reg, shift, max, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
.put = snd_soc_put_volsw, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .shift = shift_left, .rshift = shift_right, \
- .max = xmax, .invert = xinvert} }
+ .max = xmax, .platform_max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.info = snd_soc_info_volsw_2r, \
.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
- .max = xmax, .invert = xinvert} }
+ .max = xmax, .platform_max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
.put = snd_soc_put_volsw, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .shift = shift_left, .rshift = shift_right,\
- .max = xmax, .invert = xinvert} }
+ .max = xmax, .platform_max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
- .max = xmax, .invert = xinvert} }
+ .max = xmax, .platform_max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
.info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
.put = snd_soc_put_volsw_s8, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
- {.reg = xreg, .min = xmin, .max = xmax} }
+ {.reg = xreg, .min = xmin, .max = xmax, \
+ .platform_max = xmax} }
#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \
{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
.max = xmax, .texts = xtexts }
SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts)
#define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \
{ .max = xmax, .texts = xtexts }
+#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \
+{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
+ .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues}
+#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \
+ SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues)
#define SOC_ENUM(xname, xenum) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
.info = snd_soc_info_enum_double, \
.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
.private_value = (unsigned long)&xenum }
+#define SOC_VALUE_ENUM(xname, xenum) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
+ .info = snd_soc_info_enum_double, \
+ .get = snd_soc_get_value_enum_double, \
+ .put = snd_soc_put_value_enum_double, \
+ .private_value = (unsigned long)&xenum }
#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
xhandler_get, xhandler_put) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_volsw, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
+#define SOC_DOUBLE_EXT(xname, xreg, shift_left, shift_right, xmax, xinvert,\
+ xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .info = snd_soc_info_volsw, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
+ .max = xmax, .platform_max = xmax, .invert = xinvert} }
#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
xhandler_get, xhandler_put, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_volsw, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
+#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
+ xhandler_get, xhandler_put, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
+ .max = xmax, .platform_max = xmax, .invert = xinvert} }
+#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
+ xhandler_get, xhandler_put, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw_2r, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
+ .max = xmax, .platform_max = xmax, .invert = xinvert} }
#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_bool_ext, \
.private_value = (unsigned long)&xenum }
/*
+ * Simplified versions of above macros, declaring a struct and calculating
+ * ARRAY_SIZE internally
+ */
+#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
+ struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
+ ARRAY_SIZE(xtexts), xtexts)
+#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
+ SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
+#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
+ struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
+#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
+ struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
+ ARRAY_SIZE(xtexts), xtexts, xvalues)
+#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
+ SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
+
+/*
* Bias levels
*
* @ON: Bias is fully on for audio playback and capture operations.
SND_SOC_BIAS_OFF,
};
+struct snd_jack;
+struct snd_soc_card;
struct snd_soc_device;
struct snd_soc_pcm_stream;
struct snd_soc_ops;
struct snd_soc_dai_mode;
struct snd_soc_pcm_runtime;
struct snd_soc_dai;
+struct snd_soc_platform;
+struct snd_soc_dai_link;
struct snd_soc_codec;
struct soc_enum;
struct snd_soc_ac97_ops;
+struct snd_soc_jack;
+struct snd_soc_jack_pin;
+#ifdef CONFIG_GPIOLIB
+struct snd_soc_jack_gpio;
+#endif
typedef int (*hw_write_t)(void *,const char* ,int);
-typedef int (*hw_read_t)(void *,char* ,int);
extern struct snd_ac97_bus_ops soc_ac97_ops;
+enum snd_soc_control_type {
+ SND_SOC_CUSTOM,
+ SND_SOC_I2C,
+ SND_SOC_SPI,
+};
+
+int snd_soc_register_platform(struct snd_soc_platform *platform);
+void snd_soc_unregister_platform(struct snd_soc_platform *platform);
+int snd_soc_register_codec(struct snd_soc_codec *codec);
+void snd_soc_unregister_codec(struct snd_soc_codec *codec);
+int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, 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);
+
/* pcm <-> DAI connect */
void snd_soc_free_pcms(struct snd_soc_device *socdev);
int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
-int snd_soc_init_card(struct snd_soc_device *socdev);
+
+/* Utility functions to get clock rates from various things */
+int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
+int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
+int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
+int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
/* set runtime hw params */
int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
const struct snd_pcm_hardware *hw);
-/* codec IO */
-#define snd_soc_read(codec, reg) codec->read(codec, reg)
-#define snd_soc_write(codec, reg, value) codec->write(codec, reg, value)
+/* Jack reporting */
+int snd_soc_jack_new(struct snd_soc_card *card, const char *id, int type,
+ struct snd_soc_jack *jack);
+void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
+int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_pin *pins);
+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);
+#ifdef CONFIG_GPIOLIB
+int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_gpio *gpios);
+void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_gpio *gpios);
+#endif
/* codec register bit access */
int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
- unsigned short mask, unsigned short value);
+ unsigned int mask, unsigned int value);
+int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
+ unsigned short reg, unsigned int mask,
+ unsigned int value);
int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
- unsigned short mask, unsigned short value);
+ unsigned int mask, unsigned int value);
int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
struct snd_ac97_bus_ops *ops, int num);
*/
struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
void *data, char *long_name);
+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,
struct snd_ctl_elem_info *uinfo);
int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
+int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
+int snd_soc_limit_volume(struct snd_soc_codec *codec,
+ const char *name, int max);
+
+/**
+ * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
+ *
+ * @pin: name of the pin to update
+ * @mask: bits to check for in reported jack status
+ * @invert: if non-zero then pin is enabled when status is not reported
+ */
+struct snd_soc_jack_pin {
+ struct list_head list;
+ const char *pin;
+ int mask;
+ bool invert;
+};
+
+/**
+ * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
+ *
+ * @gpio: gpio number
+ * @name: gpio name
+ * @report: value to report when jack detected
+ * @invert: report presence in low state
+ * @debouce_time: debouce time in ms
+ */
+#ifdef CONFIG_GPIOLIB
+struct snd_soc_jack_gpio {
+ unsigned int gpio;
+ const char *name;
+ int report;
+ int invert;
+ int debounce_time;
+ struct snd_soc_jack *jack;
+ struct work_struct work;
+
+ int (*jack_status_check)(void);
+};
+#endif
+
+struct snd_soc_jack {
+ struct snd_jack *jack;
+ struct snd_soc_card *card;
+ struct list_head pins;
+ int status;
+ struct blocking_notifier_head notifier;
+};
/* SoC PCM stream information */
struct snd_soc_pcm_stream {
unsigned int rate_max; /* max rate */
unsigned int channels_min; /* min channels */
unsigned int channels_max; /* max channels */
- unsigned int active:1; /* stream is in use */
+ unsigned int active; /* stream is in use */
+ void *dma_data; /* used by platform code */
};
/* SoC audio ops */
char *name;
struct module *owner;
struct mutex mutex;
+ struct device *dev;
+ struct snd_soc_device *socdev;
+
+ struct list_head list;
/* callbacks */
int (*set_bias_level)(struct snd_soc_codec *,
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
unsigned int active;
unsigned int pcm_devs;
- void *private_data;
+ void *drvdata;
/* codec IO */
void *control_data; /* codec control (i2c/3wire) data */
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);
hw_write_t hw_write;
- hw_read_t hw_read;
+ unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
void *reg_cache;
short reg_cache_size;
short reg_cache_step;
+ unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */
+ unsigned int cache_only:1; /* Suppress writes to hardware */
+ unsigned int cache_sync:1; /* Cache needs to be synced to hardware */
+
/* dapm */
u32 pop_time;
struct list_head dapm_widgets;
unsigned int num_dai;
#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_codec_root;
struct dentry *debugfs_reg;
struct dentry *debugfs_pop_time;
+ struct dentry *debugfs_dapm;
#endif
};
/* SoC platform interface */
struct snd_soc_platform {
char *name;
+ struct list_head list;
int (*probe)(struct platform_device *pdev);
int (*remove)(struct platform_device *pdev);
- int (*suspend)(struct snd_soc_dai *dai);
- int (*resume)(struct snd_soc_dai *dai);
+ int (*suspend)(struct snd_soc_dai_link *dai_link);
+ int (*resume)(struct snd_soc_dai_link *dai_link);
/* pcm creation and destruction */
int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
struct snd_pcm *);
void (*pcm_free)(struct snd_pcm *);
+ /*
+ * For platform caused delay reporting.
+ * Optional.
+ */
+ snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
+ struct snd_soc_dai *);
+
/* platform stream ops */
struct snd_pcm_ops *pcm_ops;
};
/* codec/machine specific init - e.g. add machine controls */
int (*init)(struct snd_soc_codec *codec);
+ /* Keep DAI active over suspend */
+ unsigned int ignore_suspend:1;
+
+ /* Symmetry requirements */
+ unsigned int symmetric_rates:1;
+
+ /* Symmetry data - only valid if symmetry is being enforced */
+ unsigned int rate;
+
/* DAI pcm */
struct snd_pcm *pcm;
};
int (*set_bias_level)(struct snd_soc_card *,
enum snd_soc_bias_level level);
+ long pmdown_time;
+
/* CPU <--> Codec DAI links */
struct snd_soc_dai_link *dai_link;
int num_links;
struct snd_soc_device *socdev;
+ struct snd_soc_codec *codec;
+
struct snd_soc_platform *platform;
struct delayed_work delayed_work;
struct work_struct deferred_resume_work;
struct snd_soc_device {
struct device *dev;
struct snd_soc_card *card;
- struct snd_soc_codec *codec;
struct snd_soc_codec_device *codec_dev;
void *codec_data;
};
/* mixer control */
struct soc_mixer_control {
- int min, max;
+ int min, max, platform_max;
unsigned int reg, rreg, shift, rshift, invert;
};
unsigned char shift_l;
unsigned char shift_r;
unsigned int max;
+ unsigned int mask;
const char **texts;
+ const unsigned int *values;
void *dapm;
};
+/* codec IO */
+static inline unsigned int snd_soc_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ return codec->read(codec, reg);
+}
+
+static inline unsigned int snd_soc_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int val)
+{
+ return codec->write(codec, reg, val);
+}
+
+static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
+ void *data)
+{
+ codec->drvdata = data;
+}
+
+static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
+{
+ return codec->drvdata;
+}
+
#include <sound/soc-dai.h>
#endif