1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.h b/drivers/gpu/drm/i915/intel_opregion.h
new file mode 100644
index 000000000..e8498a8cd
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_opregion.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright © 2008-2017 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _INTEL_OPREGION_H_
+#define _INTEL_OPREGION_H_
+
+#include <linux/workqueue.h>
+#include <linux/pci.h>
+
+struct drm_i915_private;
+struct intel_encoder;
+
+struct opregion_header;
+struct opregion_acpi;
+struct opregion_swsci;
+struct opregion_asle;
+
+struct intel_opregion {
+	struct opregion_header *header;
+	struct opregion_acpi *acpi;
+	struct opregion_swsci *swsci;
+	u32 swsci_gbda_sub_functions;
+	u32 swsci_sbcb_sub_functions;
+	struct opregion_asle *asle;
+	void *rvda;
+	void *vbt_firmware;
+	const void *vbt;
+	u32 vbt_size;
+	u32 *lid_state;
+	struct work_struct asle_work;
+	struct notifier_block acpi_notifier;
+};
+
+#define OPREGION_SIZE            (8 * 1024)
+
+#ifdef CONFIG_ACPI
+
+int intel_opregion_setup(struct drm_i915_private *dev_priv);
+void intel_opregion_register(struct drm_i915_private *dev_priv);
+void intel_opregion_unregister(struct drm_i915_private *dev_priv);
+void intel_opregion_asle_intr(struct drm_i915_private *dev_priv);
+int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
+				  bool enable);
+int intel_opregion_notify_adapter(struct drm_i915_private *dev_priv,
+				  pci_power_t state);
+int intel_opregion_get_panel_type(struct drm_i915_private *dev_priv);
+
+#else /* CONFIG_ACPI*/
+
+static inline int intel_opregion_setup(struct drm_i915_private *dev_priv)
+{
+	return 0;
+}
+
+static inline void intel_opregion_register(struct drm_i915_private *dev_priv)
+{
+}
+
+static inline void intel_opregion_unregister(struct drm_i915_private *dev_priv)
+{
+}
+
+static inline void intel_opregion_asle_intr(struct drm_i915_private *dev_priv)
+{
+}
+
+static inline int
+intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable)
+{
+	return 0;
+}
+
+static inline int
+intel_opregion_notify_adapter(struct drm_i915_private *dev, pci_power_t state)
+{
+	return 0;
+}
+
+static inline int intel_opregion_get_panel_type(struct drm_i915_private *dev)
+{
+	return -ENODEV;
+}
+
+#endif /* CONFIG_ACPI */
+
+#endif