57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* SPDX-License-Identifier: MIT */
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#ifndef _LINUX_APERTURE_H_
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#define _LINUX_APERTURE_H_
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#include <linux/types.h>
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struct pci_dev;
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struct platform_device;
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#if defined(CONFIG_APERTURE_HELPERS)
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int devm_aperture_acquire_for_platform_device(struct platform_device *pdev,
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resource_size_t base,
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resource_size_t size);
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int aperture_remove_conflicting_devices(resource_size_t base, resource_size_t size,
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bool primary, const char *name);
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int aperture_remove_conflicting_pci_devices(struct pci_dev *pdev, const char *name);
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#else
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static inline int devm_aperture_acquire_for_platform_device(struct platform_device *pdev,
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resource_size_t base,
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resource_size_t size)
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{
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return 0;
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}
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static inline int aperture_remove_conflicting_devices(resource_size_t base, resource_size_t size,
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bool primary, const char *name)
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{
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return 0;
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}
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static inline int aperture_remove_conflicting_pci_devices(struct pci_dev *pdev, const char *name)
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{
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return 0;
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}
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#endif
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/**
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* aperture_remove_all_conflicting_devices - remove all existing framebuffers
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* @primary: also kick vga16fb if present; only relevant for VGA devices
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* @name: a descriptive name of the requesting driver
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*
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* This function removes all graphics device drivers. Use this function on systems
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* that can have their framebuffer located anywhere in memory.
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*
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* Returns:
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* 0 on success, or a negative errno code otherwise
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*/
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static inline int aperture_remove_all_conflicting_devices(bool primary, const char *name)
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{
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return aperture_remove_conflicting_devices(0, (resource_size_t)-1, primary, name);
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}
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#endif
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