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/*
* 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_resume(struct drm_i915_private *dev_priv);
void intel_opregion_suspend(struct drm_i915_private *dev_priv,
pci_power_t state);
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_resume(struct drm_i915_private *dev_priv)
{
}
static inline void intel_opregion_suspend(struct drm_i915_private *dev_priv,
pci_power_t state)
{
}
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
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