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