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| author | Jeeja KP <jeeja.kp@intel.com> | 2015-06-11 10:41:48 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-06-11 11:59:05 +0200 |
| commit | 0b00a5615dc40c3231e4386f08db1d171872c40a (patch) | |
| tree | 7f230df0f5540b8a88b8189d971594c8aa80aa6b /include/sound/hdaudio_ext.h | |
| parent | ALSA: hdac_ext: add extended HDA bus (diff) | |
| download | linux-0b00a5615dc40c3231e4386f08db1d171872c40a.tar.xz linux-0b00a5615dc40c3231e4386f08db1d171872c40a.zip | |
ALSA: hdac_ext: add hdac extended controller
The controller needs to support the new capabilities and allow
reading, parsing and initializing of these capabilities, so this patch
does it
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound/hdaudio_ext.h')
| -rw-r--r-- | include/sound/hdaudio_ext.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index 083f68a980d2..89683a8fff5b 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -43,4 +43,39 @@ int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus); void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable); void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable); +void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip, + bool enable, int index); + +int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus); +int snd_hdac_ext_bus_map_codec_to_link(struct hdac_ext_bus *bus, int addr); +struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus, + const char *codec_name); + +enum hdac_ext_stream_type { + HDAC_EXT_STREAM_TYPE_COUPLED = 0, + HDAC_EXT_STREAM_TYPE_HOST, + HDAC_EXT_STREAM_TYPE_LINK +}; + +struct hdac_ext_link { + struct hdac_bus *bus; + int index; + void __iomem *ml_addr; /* link output stream reg pointer */ + u32 lcaps; /* link capablities */ + u16 lsdiid; /* link sdi identifier */ + struct list_head list; +}; + +int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); +int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); +void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, + int stream); +void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, + int stream); + +/* update register macro */ +#define snd_hdac_updatel(addr, reg, mask, val) \ + writel(((readl(addr + reg) & ~(mask)) | (val)), \ + addr + reg) + #endif /* __SOUND_HDAUDIO_EXT_H */ |