drivers/intel/gma: Export Read_EDID() to C

Change-Id: Icf802904c569e621ca3b3105b6107936776c5cee
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31458
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/drivers/intel/gma/gma.ads b/src/drivers/intel/gma/gma.ads
index a6ce3a4f77..0b4b66bde7 100644
--- a/src/drivers/intel/gma/gma.ads
+++ b/src/drivers/intel/gma/gma.ads
@@ -1,2 +1,14 @@
+with Interfaces.C;
+
+with HW.GFX.EDID;
+
 package GMA is
+
+   function read_edid
+     (raw_edid :    out HW.GFX.EDID.Raw_EDID_Data;
+      Port     : in     Interfaces.C.int)
+      return Interfaces.C.int
+   with
+      Export, Convention => C, External_Name => "gma_read_edid";
+
 end GMA;