1 files changed, 34 insertions, 0 deletions

diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index 1217df40cb7e..bb30242eeea1 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -51,6 +51,8 @@
 
 struct omap_dss_device;
 struct omap_overlay_manager;
+struct snd_aes_iec958;
+struct snd_cea_861_aud_if;
 
 enum omap_display_type {
         OMAP_DISPLAY_TYPE_NONE          = 0,
@@ -158,6 +160,13 @@ enum omap_dss_display_state {
         OMAP_DSS_DISPLAY_SUSPENDED,
 };
 
+enum omap_dss_audio_state {
+        OMAP_DSS_AUDIO_DISABLED = 0,
+        OMAP_DSS_AUDIO_ENABLED,
+        OMAP_DSS_AUDIO_CONFIGURED,
+        OMAP_DSS_AUDIO_PLAYING,
+};
+
 /* XXX perhaps this should be removed */
 enum omap_dss_overlay_managers {
         OMAP_DSS_OVL_MGR_LCD,
@@ -583,6 +592,8 @@ struct omap_dss_device {
 
         enum omap_dss_display_state state;
 
+        enum omap_dss_audio_state audio_state;
+
         /* platform specific  */
         int (*platform_enable)(struct omap_dss_device *dssdev);
         void (*platform_disable)(struct omap_dss_device *dssdev);
@@ -595,6 +606,11 @@ struct omap_dss_hdmi_data
         int hpd_gpio;
 };
 
+struct omap_dss_audio {
+        struct snd_aes_iec958 *iec;
+        struct snd_cea_861_aud_if *cea;
+};
+
 struct omap_dss_driver {
         struct device_driver driver;
 
@@ -642,6 +658,24 @@ struct omap_dss_driver {
 
         int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
         bool (*detect)(struct omap_dss_device *dssdev);
+
+        /*
+         * For display drivers that support audio. This encompasses
+         * HDMI and DisplayPort at the moment.
+         */
+        /*
+         * Note: These functions might sleep. Do not call while
+         * holding a spinlock/readlock.
+         */
+        int (*audio_enable)(struct omap_dss_device *dssdev);
+        void (*audio_disable)(struct omap_dss_device *dssdev);
+        bool (*audio_supported)(struct omap_dss_device *dssdev);
+        int (*audio_config)(struct omap_dss_device *dssdev,
+                struct omap_dss_audio *audio);
+        /* Note: These functions may not sleep */
+        int (*audio_start)(struct omap_dss_device *dssdev);
+        void (*audio_stop)(struct omap_dss_device *dssdev);
+
 };
 
 int omap_dss_register_driver(struct omap_dss_driver *);