diff options
| author | Vinod Koul <vinod.koul@intel.com> | 2015-08-21 13:17:41 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-08-21 13:34:01 +0300 |
| commit | a512f5611646ab12f3f8fea2a3d2582adabe5157 (patch) | |
| tree | 505302b62077570bfea0856da32ac4867bb67c93 /include/sound | |
| parent | ee2d51b3d4c940cd34dbc83eb10bb24205c56ebf (diff) | |
| download | linux-a512f5611646ab12f3f8fea2a3d2582adabe5157.tar.xz | |
ALSA: hdac: add hdac extended device
This adds based hdac extended device object which will be used by
ASoC HDAC codecs
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/hdaudio_ext.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index 148267b76ab7..0641d00e2a94 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -130,4 +130,48 @@ void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, writew(((readw(addr + reg) & ~(mask)) | (val)), \ addr + reg) + +struct hdac_ext_device; + +/* ops common to all codec drivers */ +struct hdac_ext_codec_ops { + int (*build_controls)(struct hdac_ext_device *dev); + int (*init)(struct hdac_ext_device *dev); + void (*free)(struct hdac_ext_device *dev); +}; + +struct hda_dai_map { + char *dai_name; + hda_nid_t nid; + u32 maxbps; +}; + +#define HDA_MAX_NIDS 16 + +/** + * struct hdac_ext_device - HDAC Ext device + * + * @hdac: hdac core device + * @nid_list - the dai map which matches the dai-name with the nid + * @map_cur_idx - the idx in use in dai_map + * @ops - the hda codec ops common to all codec drivers + * @pvt_data - private data, for asoc contains asoc codec object + */ +struct hdac_ext_device { + struct hdac_device hdac; + struct hdac_ext_bus *ebus; + + /* soc-dai to nid map */ + struct hda_dai_map nid_list[HDA_MAX_NIDS]; + unsigned int map_cur_idx; + + /* codec ops */ + struct hdac_ext_codec_ops ops; + + void *private_data; +}; + +#define to_ehdac_device(dev) (container_of((dev), \ + struct hdac_ext_device, hdac)) + #endif /* __SOUND_HDAUDIO_EXT_H */ |