57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
|
/* 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
|