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ALSA: hdac_ext: add hdac extended controller

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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>
This commit is contained in:
Jeeja KP
2015-06-11 14:11:48 +05:30
committed by Takashi Iwai
parent dfe66a1878
commit 0b00a5615d
3 changed files with 306 additions and 1 deletions
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35
include/sound/hdaudio_ext.h
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@@ -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 */