diff options
Diffstat (limited to 'include/sound/soc.h')
| -rw-r--r-- | include/sound/soc.h | 352 |
1 files changed, 280 insertions, 72 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 9a001472b96..ed9e2d7e5fd 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -45,6 +45,11 @@ ((unsigned long)&(struct soc_mixer_control) \ {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ .max = xmax, .platform_max = xmax, .invert = xinvert}) +#define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ + ((unsigned long)&(struct soc_mixer_control) \ + {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ + .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \ + .invert = xinvert}) #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ ((unsigned long)&(struct soc_mixer_control) \ {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ @@ -152,6 +157,15 @@ {.reg = xreg, .rreg = xrreg, \ .shift = xshift, .rshift = xshift, \ .max = xmax, .min = xmin} } +#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, 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 = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ + .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ + xmin, xmax, xsign_bit, 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 | \ @@ -162,30 +176,26 @@ .private_value = (unsigned long)&(struct soc_mixer_control) \ {.reg = xreg, .min = xmin, .max = xmax, \ .platform_max = xmax} } -#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \ +#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ - .max = xmax, .texts = xtexts, \ - .mask = xmax ? roundup_pow_of_two(xmax) - 1 : 0} -#define SOC_ENUM_SINGLE(xreg, xshift, xmax, 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) \ + .items = xitems, .texts = xtexts, \ + .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} +#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ + SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) +#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ +{ .items = xitems, .texts = xtexts } +#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, 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) + .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} +#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xnitmes, xtexts, xvalues) \ + SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xnitmes, xtexts, xvalues) +#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ + SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) #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, \ @@ -254,6 +264,13 @@ {.base = xbase, .num_regs = xregs, \ .mask = xmask }) } +#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_bytes_info_ext, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = (unsigned long)&(struct soc_bytes_ext) \ + {.max = xcount} } + #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ xmin, xmax, xinvert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ @@ -272,17 +289,19 @@ * 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, \ + const 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) + const 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, \ + const 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) +#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ + const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) /* * Component probe and remove ordering levels for components with runtime @@ -340,12 +359,6 @@ typedef int (*hw_write_t)(void *,const char* ,int); extern struct snd_ac97_bus_ops *soc_ac97_ops; -enum snd_soc_control_type { - SND_SOC_I2C = 1, - SND_SOC_SPI, - SND_SOC_REGMAP, -}; - enum snd_soc_pcm_subclass { SND_SOC_PCM_CLASS_PCM = 0, SND_SOC_PCM_CLASS_BE = 1, @@ -369,6 +382,8 @@ int snd_soc_resume(struct device *dev); int snd_soc_poweroff(struct device *dev); int snd_soc_register_platform(struct device *dev, const struct snd_soc_platform_driver *platform_drv); +int devm_snd_soc_register_platform(struct device *dev, + const struct snd_soc_platform_driver *platform_drv); void snd_soc_unregister_platform(struct device *dev); int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, const struct snd_soc_platform_driver *platform_drv); @@ -385,15 +400,6 @@ int devm_snd_soc_register_component(struct device *dev, const struct snd_soc_component_driver *cmpnt_drv, struct snd_soc_dai_driver *dai_drv, int num_dai); void snd_soc_unregister_component(struct device *dev); -int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, - unsigned int reg); -int snd_soc_codec_readable_register(struct snd_soc_codec *codec, - unsigned int reg); -int snd_soc_codec_writable_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); int snd_soc_cache_sync(struct snd_soc_codec *codec); int snd_soc_cache_init(struct snd_soc_codec *codec); int snd_soc_cache_exit(struct snd_soc_codec *codec); @@ -413,6 +419,10 @@ struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, const char *dai_link); +bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); +void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); +void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); + /* 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); @@ -442,6 +452,9 @@ 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); +int snd_soc_jack_add_gpiods(struct device *gpiod_dev, + 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); #else @@ -451,6 +464,14 @@ static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, return 0; } +static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, + struct snd_soc_jack *jack, + int count, + struct snd_soc_jack_gpio *gpios) +{ + return 0; +} + static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, struct snd_soc_jack_gpio *gpios) { @@ -458,12 +479,12 @@ static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, #endif /* codec register bit access */ -int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, +int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg, 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 reg, unsigned int mask, unsigned int value); -int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, +int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg, unsigned int mask, unsigned int value); int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, @@ -496,10 +517,6 @@ int snd_soc_get_enum_double(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); #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info @@ -533,6 +550,8 @@ int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); +int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *ucontrol); int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, @@ -579,8 +598,12 @@ struct snd_soc_jack_zone { /** * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection * - * @gpio: gpio number - * @name: gpio name + * @gpio: legacy gpio number + * @idx: gpio descriptor index within the function of the GPIO + * consumer device + * @gpiod_dev GPIO consumer device + * @name: gpio name. Also as connection ID for the GPIO consumer + * device function name lookup * @report: value to report when jack detected * @invert: report presence in low state * @debouce_time: debouce time in ms @@ -591,6 +614,8 @@ struct snd_soc_jack_zone { */ struct snd_soc_jack_gpio { unsigned int gpio; + unsigned int idx; + struct device *gpiod_dev; const char *name; int report; int invert; @@ -599,8 +624,10 @@ struct snd_soc_jack_gpio { struct snd_soc_jack *jack; struct delayed_work work; + struct gpio_desc *desc; - int (*jack_status_check)(void); + void *data; + int (*jack_status_check)(void *data); }; struct snd_soc_jack { @@ -656,12 +683,28 @@ struct snd_soc_component { const char *name; int id; struct device *dev; + + unsigned int active; + + unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ + unsigned int registered_as_component:1; + struct list_head list; struct snd_soc_dai_driver *dai_drv; int num_dai; const struct snd_soc_component_driver *driver; + + struct list_head dai_list; + + int (*read)(struct snd_soc_component *, unsigned int, unsigned int *); + int (*write)(struct snd_soc_component *, unsigned int, unsigned int); + + struct regmap *regmap; + int val_bytes; + + struct mutex io_mutex; }; /* SoC Audio Codec device */ @@ -676,40 +719,29 @@ struct snd_soc_codec { struct snd_soc_card *card; struct list_head list; struct list_head card_list; - int num_dai; - int (*volatile_register)(struct snd_soc_codec *, unsigned int); - int (*readable_register)(struct snd_soc_codec *, unsigned int); - int (*writable_register)(struct snd_soc_codec *, unsigned int); /* runtime */ struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ - unsigned int active; 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 cache_init:1; /* codec cache has been initialized */ - unsigned int using_regmap:1; /* using regmap access */ 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 */ hw_write_t hw_write; - unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int); - unsigned int (*read)(struct snd_soc_codec *, unsigned int); - int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); void *reg_cache; struct mutex cache_rw_mutex; - int val_bytes; /* component */ struct snd_soc_component component; /* dapm */ struct snd_soc_dapm_context dapm; - unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ #ifdef CONFIG_DEBUG_FS struct dentry *debugfs_codec_root; @@ -742,13 +774,9 @@ struct snd_soc_codec_driver { unsigned int freq_in, unsigned int freq_out); /* codec IO */ + struct regmap *(*get_regmap)(struct device *); 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)(struct snd_soc_codec *, unsigned int); - int (*readable_register)(struct snd_soc_codec *, unsigned int); - int (*writable_register)(struct snd_soc_codec *, unsigned int); unsigned int reg_cache_size; short reg_cache_step; short reg_word_size; @@ -779,6 +807,7 @@ struct snd_soc_platform_driver { int (*remove)(struct snd_soc_platform *); int (*suspend)(struct snd_soc_dai *dai); int (*resume)(struct snd_soc_dai *dai); + struct snd_soc_component_driver component_driver; /* pcm creation and destruction */ int (*pcm_new)(struct snd_soc_pcm_runtime *); @@ -823,7 +852,6 @@ struct snd_soc_platform { int id; struct device *dev; const struct snd_soc_platform_driver *driver; - struct mutex mutex; unsigned int suspended:1; /* platform is suspended */ unsigned int probed:1; @@ -832,6 +860,8 @@ struct snd_soc_platform { struct list_head list; struct list_head card_list; + struct snd_soc_component component; + struct snd_soc_dapm_context dapm; #ifdef CONFIG_DEBUG_FS @@ -919,7 +949,12 @@ struct snd_soc_dai_link { }; struct snd_soc_codec_conf { + /* + * specify device either by device name, or by + * DT/OF node, but not both. + */ const char *dev_name; + const struct device_node *of_node; /* * optional map of kcontrol, widget and path name prefixes that are @@ -930,7 +965,13 @@ struct snd_soc_codec_conf { struct snd_soc_aux_dev { const char *name; /* Codec name */ - const char *codec_name; /* for multi-codec */ + + /* + * specify multi-codec either by device name, or by + * DT/OF node, but not both. + */ + const char *codec_name; + const struct device_node *codec_of_node; /* codec/machine specific init - e.g. add machine controls */ int (*init)(struct snd_soc_dapm_context *dapm); @@ -945,7 +986,6 @@ struct snd_soc_card { struct snd_card *snd_card; struct module *owner; - struct list_head list; struct mutex mutex; struct mutex dapm_mutex; @@ -1008,7 +1048,6 @@ struct snd_soc_card { /* lists of probed devices belonging to this card */ struct list_head codec_dev_list; struct list_head platform_dev_list; - struct list_head dai_dev_list; struct list_head widgets; struct list_head paths; @@ -1067,6 +1106,7 @@ struct soc_mixer_control { int min, max, platform_max; int reg, rreg; unsigned int shift, rshift; + unsigned int sign_bit; unsigned int invert:1; unsigned int autodisable:1; }; @@ -1077,6 +1117,10 @@ struct soc_bytes { u32 mask; }; +struct soc_bytes_ext { + int max; +}; + /* multi register control */ struct soc_mreg_control { long min, max; @@ -1085,20 +1129,88 @@ struct soc_mreg_control { /* enumerated kcontrol */ struct soc_enum { - unsigned short reg; - unsigned short reg2; + int reg; unsigned char shift_l; unsigned char shift_r; - unsigned int max; + unsigned int items; unsigned int mask; const char * const *texts; const unsigned int *values; }; +/** + * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in + * @component: The component to cast to a CODEC + * + * This function must only be used on components that are known to be CODECs. + * Otherwise the behavior is undefined. + */ +static inline struct snd_soc_codec *snd_soc_component_to_codec( + struct snd_soc_component *component) +{ + return container_of(component, struct snd_soc_codec, component); +} + +/** + * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in + * @component: The component to cast to a platform + * + * This function must only be used on components that are known to be platforms. + * Otherwise the behavior is undefined. + */ +static inline struct snd_soc_platform *snd_soc_component_to_platform( + struct snd_soc_component *component) +{ + return container_of(component, struct snd_soc_platform, component); +} + +/** + * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in + * @dapm: The DAPM context to cast to the CODEC + * + * This function must only be used on DAPM contexts that are known to be part of + * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. + */ +static inline struct snd_soc_codec *snd_soc_dapm_to_codec( + struct snd_soc_dapm_context *dapm) +{ + return container_of(dapm, struct snd_soc_codec, dapm); +} + +/** + * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is + * embedded in + * @dapm: The DAPM context to cast to the platform. + * + * This function must only be used on DAPM contexts that are known to be part of + * a platform (e.g. in a platform driver). Otherwise the behavior is undefined. + */ +static inline struct snd_soc_platform *snd_soc_dapm_to_platform( + struct snd_soc_dapm_context *dapm) +{ + return container_of(dapm, struct snd_soc_platform, dapm); +} + /* codec IO */ unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); -unsigned int snd_soc_write(struct snd_soc_codec *codec, - unsigned int reg, unsigned int val); +int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val); + +/* component IO */ +int snd_soc_component_read(struct snd_soc_component *component, + unsigned int reg, unsigned int *val); +int snd_soc_component_write(struct snd_soc_component *component, + unsigned int reg, unsigned int val); +int snd_soc_component_update_bits(struct snd_soc_component *component, + unsigned int reg, unsigned int mask, unsigned int val); +int snd_soc_component_update_bits_async(struct snd_soc_component *component, + unsigned int reg, unsigned int mask, unsigned int val); +void snd_soc_component_async_complete(struct snd_soc_component *component); +int snd_soc_component_test_bits(struct snd_soc_component *component, + unsigned int reg, unsigned int mask, unsigned int value); + +int snd_soc_component_init_io(struct snd_soc_component *component, + struct regmap *regmap); /* device driver data */ @@ -1148,7 +1260,6 @@ static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) 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); @@ -1168,15 +1279,101 @@ static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) return 1; } +static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, + unsigned int val) +{ + unsigned int i; + + if (!e->values) + return val; + + for (i = 0; i < e->items; i++) + if (val == e->values[i]) + return i; + + return 0; +} + +static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, + unsigned int item) +{ + if (!e->values) + return item; + + return e->values[item]; +} + +static inline bool snd_soc_component_is_active( + struct snd_soc_component *component) +{ + return component->active != 0; +} + +static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec) +{ + return snd_soc_component_is_active(&codec->component); +} + +/** + * snd_soc_kcontrol_component() - Returns the component that registered the + * control + * @kcontrol: The control for which to get the component + * + * Note: This function will work correctly if the control has been registered + * for a component. Either with snd_soc_add_codec_controls() or + * snd_soc_add_platform_controls() or via table based setup for either a + * CODEC, a platform or component driver. Otherwise the behavior is undefined. + */ +static inline struct snd_soc_component *snd_soc_kcontrol_component( + struct snd_kcontrol *kcontrol) +{ + return snd_kcontrol_chip(kcontrol); +} + +/** + * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control + * @kcontrol: The control for which to get the CODEC + * + * Note: This function will only work correctly if the control has been + * registered with snd_soc_add_codec_controls() or via table based setup of + * snd_soc_codec_driver. Otherwise the behavior is undefined. + */ +static inline struct snd_soc_codec *snd_soc_kcontrol_codec( + struct snd_kcontrol *kcontrol) +{ + return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol)); +} + +/** + * snd_soc_kcontrol_platform() - Returns the platform that registerd the control + * @kcontrol: The control for which to get the platform + * + * Note: This function will only work correctly if the control has been + * registered with snd_soc_add_platform_controls() or via table based setup of + * a snd_soc_platform_driver. Otherwise the behavior is undefined. + */ +static inline struct snd_soc_platform *snd_soc_kcontrol_platform( + struct snd_kcontrol *kcontrol) +{ + return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol)); +} + int snd_soc_util_init(void); void snd_soc_util_exit(void); int snd_soc_of_parse_card_name(struct snd_soc_card *card, const char *propname); +int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, + const char *propname); +int snd_soc_of_parse_tdm_slot(struct device_node *np, + unsigned int *slots, + unsigned int *slot_width); int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, const char *propname); unsigned int snd_soc_of_parse_daifmt(struct device_node *np, - const char *prefix); + const char *prefix, + struct device_node **bitclkmaster, + struct device_node **framemaster); int snd_soc_of_get_dai_name(struct device_node *of_node, const char **dai_name); @@ -1188,4 +1385,15 @@ extern struct dentry *snd_soc_debugfs_root; extern const struct dev_pm_ops snd_soc_pm_ops; +/* Helper functions */ +static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) +{ + mutex_lock(&dapm->card->dapm_mutex); +} + +static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) +{ + mutex_unlock(&dapm->card->dapm_mutex); +} + #endif |