ALSA: hda - Move a part of hda_codec stuff into hdac_device

[deliverable/linux.git] / include / sound / hdaudio.h

diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 848ab6e6809958f05a6e672e733cc93c2ee99324..b81b4bec6f050b2e824dbda300faf55aadb5e3d3 100644 (file)
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -8,6 +8,9 @@
 #include <linux/device.h>
 #include <sound/hda_verbs.h>
 
+/* codec node id */
+typedef u16 hda_nid_t;
+
 struct hdac_bus;
 struct hdac_device;
 struct hdac_driver;
@@ -26,6 +29,30 @@ struct hdac_device {
        struct hdac_bus *bus;
        unsigned int addr;              /* codec address */
        struct list_head list;          /* list point for bus codec_list */
+
+       hda_nid_t afg;                  /* AFG node id */
+       hda_nid_t mfg;                  /* MFG node id */
+
+       /* ids */
+       unsigned int vendor_id;
+       unsigned int subsystem_id;
+       unsigned int revision_id;
+       unsigned int afg_function_id;
+       unsigned int mfg_function_id;
+       unsigned int afg_unsol:1;
+       unsigned int mfg_unsol:1;
+
+       unsigned int power_caps;        /* FG power caps */
+
+       const char *vendor_name;        /* codec vendor name */
+       const char *chip_name;          /* codec chip name */
+
+       /* widgets */
+       unsigned int num_nodes;
+       hda_nid_t start_nid, end_nid;
+
+       /* misc flags */
+       atomic_t in_pm;         /* suspend/resume being performed */
 };
 
 /* device/driver type used for matching */
@@ -34,8 +61,37 @@ enum {
        HDA_DEV_LEGACY,
 };
 
+/* direction */
+enum {
+       HDA_INPUT, HDA_OUTPUT
+};
+
 #define dev_to_hdac_dev(_dev)  container_of(_dev, struct hdac_device, dev)
 
+int snd_hdac_device_init(struct hdac_device *dev, struct hdac_bus *bus,
+                        const char *name, unsigned int addr);
+void snd_hdac_device_exit(struct hdac_device *dev);
+
+int snd_hdac_refresh_widgets(struct hdac_device *codec);
+
+unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,
+                              unsigned int verb, unsigned int parm);
+int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid,
+                 unsigned int verb, unsigned int parm, unsigned int *res);
+int snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm);
+int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid,
+                            hda_nid_t *conn_list, int max_conns);
+int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid,
+                          hda_nid_t *start_id);
+
+#ifdef CONFIG_PM
+void snd_hdac_power_up(struct hdac_device *codec);
+void snd_hdac_power_down(struct hdac_device *codec);
+#else
+static inline void snd_hdac_power_up(struct hdac_device *codec) {}
+static inline void snd_hdac_power_down(struct hdac_device *codec) {}
+#endif
+
 /*
  * HD-audio codec base driver
  */
@@ -100,4 +156,14 @@ int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec);
 void snd_hdac_bus_remove_device(struct hdac_bus *bus,
                                struct hdac_device *codec);
 
+static inline void snd_hdac_codec_link_up(struct hdac_device *codec)
+{
+       set_bit(codec->addr, &codec->bus->codec_powered);
+}
+
+static inline void snd_hdac_codec_link_down(struct hdac_device *codec)
+{
+       clear_bit(codec->addr, &codec->bus->codec_powered);
+}
+
 #endif /* __SOUND_HDAUDIO_H */