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