drm/i915/GuC/GLK: Load GuC on GLK

Load GuC 10.56 on GLK. Work on firmware is still
in progress. Testing has not been done yet.
This patch addresses the initial need to load the GuC
firmware for HuC authentication

v2: rebased.

Cc: Jeff mcgee <jeff.mcgee@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: John Spotswood <john.a.spotswood@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: John Spotswood <john.a.spotswood@intel.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1490905447-15815-1-git-send-email-anusha.srivatsa@intel.com

drivers/gpu/drm/i915/intel_guc_loader.c

@@ -61,6 +61,9 @@
 #define KBL_FW_MAJOR 9
 #define KBL_FW_MINOR 14
 
+#define GLK_FW_MAJOR 10
+#define GLK_FW_MINOR 56
+
 #define GUC_FW_PATH(platform, major, minor) \
        "i915/" __stringify(platform) "_guc_ver" __stringify(major) "_" __stringify(minor) ".bin"
 
@@ -73,6 +76,8 @@ MODULE_FIRMWARE(I915_BXT_GUC_UCODE);
 #define I915_KBL_GUC_UCODE GUC_FW_PATH(kbl, KBL_FW_MAJOR, KBL_FW_MINOR)
 MODULE_FIRMWARE(I915_KBL_GUC_UCODE);
 
+#define I915_GLK_GUC_UCODE GUC_FW_PATH(glk, GLK_FW_MAJOR, GLK_FW_MINOR)
+
 
 static u32 get_gttype(struct drm_i915_private *dev_priv)
 {
@@ -405,6 +410,10 @@ int intel_guc_select_fw(struct intel_guc *guc)
 		guc->fw.path = I915_KBL_GUC_UCODE;
 		guc->fw.major_ver_wanted = KBL_FW_MAJOR;
 		guc->fw.minor_ver_wanted = KBL_FW_MINOR;
+	} else if (IS_GEMINILAKE(dev_priv)) {
+		guc->fw.path = I915_GLK_GUC_UCODE;
+		guc->fw.major_ver_wanted = GLK_FW_MAJOR;
+		guc->fw.minor_ver_wanted = GLK_FW_MINOR;
 	} else {
 		DRM_ERROR("No GuC firmware known for platform with GuC!\n");
 		return -ENOENT;