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authorJeeja KP <jeeja.kp@intel.com>2015-06-11 11:41:48 +0300
committerTakashi Iwai <tiwai@suse.de>2015-06-11 12:59:05 +0300
commit0b00a5615dc40c3231e4386f08db1d171872c40a (patch)
tree7f230df0f5540b8a88b8189d971594c8aa80aa6b /include/sound
parentdfe66a18780dab02ccf6e148df4f28f389669c30 (diff)
downloadlinux-0b00a5615dc40c3231e4386f08db1d171872c40a.tar.xz
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')
-rw-r--r--include/sound/hdaudio_ext.h35
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 */