This struct will be used to transfer information from the i915
driver to the hda driver on HDMI hotplug events.
Signed-off-by: David Henningsson <david.henningsson@xxxxxxxxxxxxx>
---
include/drm/i915_component.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h
index c9a8b64..4fc0db3 100644
--- a/include/drm/i915_component.h
+++ b/include/drm/i915_component.h
@@ -24,8 +24,22 @@
#ifndef _I915_COMPONENT_H_
#define _I915_COMPONENT_H_
+struct hdac_bus;
+
+struct i915_audio_hotplug_info {
+ int connector_type; /* DRM_MODE_CONNECTOR_*, meant for userspace */
+ int connector_type_id; /* Index within a DRM_MODE_CONNECTOR_* type, meant for userspace */
+ int port; /* Used for mapping to affected nid */
+ int port_multi_stream_device; /* For DP multi-streaming */
+
+ bool plugged_in;
+ uint8_t *eld;
+ int eld_size;
+};
+
struct i915_audio_component {
struct device *dev;
+ struct hdac_bus *hdac_bus;
const struct i915_audio_component_ops {
struct module *owner;
@@ -34,6 +48,11 @@ struct i915_audio_component {
void (*codec_wake_override)(struct device *, bool enable);
int (*get_cdclk_freq)(struct device *);
} *ops;
+
+ const struct i915_audio_component_cb_ops {
+ struct module *owner;
+ void (*hotplug_notify)(struct hdac_bus *, const struct i915_audio_hotplug_info *);
+ } *cb_ops;
};
#endif /* _I915_COMPONENT_H_ */
--
1.7.9.5
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