1/* 2 * Copyright �� 2008-2017 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 */ 24 25#ifndef _INTEL_OPREGION_H_ 26#define _INTEL_OPREGION_H_ 27 28#include <linux/pci.h> 29#include <linux/types.h> 30 31struct drm_i915_private; 32struct intel_connector; 33struct intel_encoder; 34 35#ifdef CONFIG_ACPI 36 37int intel_opregion_setup(struct drm_i915_private *dev_priv); 38void intel_opregion_cleanup(struct drm_i915_private *i915); 39 40void intel_opregion_register(struct drm_i915_private *dev_priv); 41void intel_opregion_unregister(struct drm_i915_private *dev_priv); 42 43void intel_opregion_resume(struct drm_i915_private *dev_priv); 44void intel_opregion_suspend(struct drm_i915_private *dev_priv, 45 pci_power_t state); 46 47bool intel_opregion_asle_present(struct drm_i915_private *i915); 48void intel_opregion_asle_intr(struct drm_i915_private *dev_priv); 49int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, 50 bool enable); 51int intel_opregion_notify_adapter(struct drm_i915_private *dev_priv, 52 pci_power_t state); 53int intel_opregion_get_panel_type(struct drm_i915_private *dev_priv); 54const struct drm_edid *intel_opregion_get_edid(struct intel_connector *connector); 55 56const void *intel_opregion_get_vbt(struct drm_i915_private *i915, size_t *size); 57 58bool intel_opregion_headless_sku(struct drm_i915_private *i915); 59 60void intel_opregion_debugfs_register(struct drm_i915_private *i915); 61 62#else /* CONFIG_ACPI*/ 63 64static inline int intel_opregion_setup(struct drm_i915_private *dev_priv) 65{ 66 return 0; 67} 68 69static inline void intel_opregion_cleanup(struct drm_i915_private *i915) 70{ 71} 72 73static inline void intel_opregion_register(struct drm_i915_private *dev_priv) 74{ 75} 76 77static inline void intel_opregion_unregister(struct drm_i915_private *dev_priv) 78{ 79} 80 81static inline void intel_opregion_resume(struct drm_i915_private *dev_priv) 82{ 83} 84 85static inline void intel_opregion_suspend(struct drm_i915_private *dev_priv, 86 pci_power_t state) 87{ 88} 89 90static inline bool intel_opregion_asle_present(struct drm_i915_private *i915) 91{ 92 return false; 93} 94 95static inline void intel_opregion_asle_intr(struct drm_i915_private *dev_priv) 96{ 97} 98 99static inline int 100intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable) 101{ 102 return 0; 103} 104 105static inline int 106intel_opregion_notify_adapter(struct drm_i915_private *dev, pci_power_t state) 107{ 108 return 0; 109} 110 111static inline int intel_opregion_get_panel_type(struct drm_i915_private *dev) 112{ 113 return -ENODEV; 114} 115 116static inline const struct drm_edid * 117intel_opregion_get_edid(struct intel_connector *connector) 118{ 119 return NULL; 120} 121 122static inline const void * 123intel_opregion_get_vbt(struct drm_i915_private *i915, size_t *size) 124{ 125 return NULL; 126} 127 128static inline bool intel_opregion_headless_sku(struct drm_i915_private *i915) 129{ 130 return false; 131} 132 133static inline void intel_opregion_debugfs_register(struct drm_i915_private *i915) 134{ 135} 136 137#endif /* CONFIG_ACPI */ 138 139#endif 140