diff options
Diffstat (limited to 'include/sound/hdaudio.h')
| -rw-r--r-- | include/sound/hdaudio.h | 65 |
1 files changed, 61 insertions, 4 deletions
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index c052afc27547..6f1e1f3b3063 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -8,8 +8,10 @@ #include <linux/device.h> #include <linux/interrupt.h> +#include <linux/pm_runtime.h> #include <linux/timecounter.h> #include <sound/core.h> +#include <sound/pcm.h> #include <sound/memalloc.h> #include <sound/hda_verbs.h> #include <drm/i915_component.h> @@ -132,7 +134,7 @@ int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid, hda_nid_t *start_id); unsigned int snd_hdac_calc_stream_format(unsigned int rate, unsigned int channels, - unsigned int format, + snd_pcm_format_t format, unsigned int maxbps, unsigned short spdif_ctls); int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid, @@ -171,12 +173,38 @@ int snd_hdac_power_down(struct hdac_device *codec); int snd_hdac_power_up_pm(struct hdac_device *codec); int snd_hdac_power_down_pm(struct hdac_device *codec); int snd_hdac_keep_power_up(struct hdac_device *codec); + +/* call this at entering into suspend/resume callbacks in codec driver */ +static inline void snd_hdac_enter_pm(struct hdac_device *codec) +{ + atomic_inc(&codec->in_pm); +} + +/* call this at leaving from suspend/resume callbacks in codec driver */ +static inline void snd_hdac_leave_pm(struct hdac_device *codec) +{ + atomic_dec(&codec->in_pm); +} + +static inline bool snd_hdac_is_in_pm(struct hdac_device *codec) +{ + return atomic_read(&codec->in_pm); +} + +static inline bool snd_hdac_is_power_on(struct hdac_device *codec) +{ + return !pm_runtime_suspended(&codec->dev); +} #else static inline int snd_hdac_power_up(struct hdac_device *codec) { return 0; } static inline int snd_hdac_power_down(struct hdac_device *codec) { return 0; } static inline int snd_hdac_power_up_pm(struct hdac_device *codec) { return 0; } static inline int snd_hdac_power_down_pm(struct hdac_device *codec) { return 0; } static inline int snd_hdac_keep_power_up(struct hdac_device *codec) { return 0; } +static inline void snd_hdac_enter_pm(struct hdac_device *codec) {} +static inline void snd_hdac_leave_pm(struct hdac_device *codec) {} +static inline bool snd_hdac_is_in_pm(struct hdac_device *codec) { return 0; } +static inline bool snd_hdac_is_power_on(struct hdac_device *codec) { return 1; } #endif /* @@ -188,6 +216,11 @@ struct hdac_driver { const struct hda_device_id *id_table; int (*match)(struct hdac_device *dev, struct hdac_driver *drv); void (*unsol_event)(struct hdac_device *dev, unsigned int event); + + /* fields used by ext bus APIs */ + int (*probe)(struct hdac_device *dev); + int (*remove)(struct hdac_device *dev); + void (*shutdown)(struct hdac_device *dev); }; #define drv_to_hdac_driver(_drv) container_of(_drv, struct hdac_driver, driver) @@ -209,6 +242,14 @@ struct hdac_bus_ops { }; /* + * ops used for ASoC HDA codec drivers + */ +struct hdac_ext_bus_ops { + int (*hdev_attach)(struct hdac_device *hdev); + int (*hdev_detach)(struct hdac_device *hdev); +}; + +/* * Lowlevel I/O operators */ struct hdac_io_ops { @@ -250,11 +291,17 @@ struct hdac_rb { * @mlcap: MultiLink capabilities pointer * @gtscap: gts capabilities pointer * @drsmcap: dma resume capabilities pointer + * @num_streams: streams supported + * @idx: HDA link index + * @hlink_list: link list of HDA links + * @lock: lock for link mgmt + * @cmd_dma_state: state of cmd DMAs: CORB and RIRB */ struct hdac_bus { struct device *dev; const struct hdac_bus_ops *ops; const struct hdac_io_ops *io_ops; + const struct hdac_ext_bus_ops *ext_ops; /* h/w resources */ unsigned long addr; @@ -314,9 +361,19 @@ struct hdac_bus { spinlock_t reg_lock; struct mutex cmd_mutex; - /* i915 component interface */ - struct i915_audio_component *audio_component; - int i915_power_refcount; + /* DRM component interface */ + struct drm_audio_component *audio_component; + int drm_power_refcount; + + /* parameters required for enhanced capabilities */ + int num_streams; + int idx; + + struct list_head hlink_list; + + struct mutex lock; + bool cmd_dma_state; + }; int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev, |