Commit | Line | Data |
---|---|---|
7283f862 TZ |
1 | /* SPDX-License-Identifier: MIT */ |
2 | ||
3 | #ifndef _LINUX_APERTURE_H_ | |
4 | #define _LINUX_APERTURE_H_ | |
5 | ||
6 | #include <linux/types.h> | |
7 | ||
8 | struct pci_dev; | |
9 | struct platform_device; | |
10 | ||
11 | #if defined(CONFIG_APERTURE_HELPERS) | |
12 | int devm_aperture_acquire_for_platform_device(struct platform_device *pdev, | |
13 | resource_size_t base, | |
14 | resource_size_t size); | |
15 | ||
16 | int aperture_remove_conflicting_devices(resource_size_t base, resource_size_t size, | |
17 | bool primary, const char *name); | |
18 | ||
19 | int aperture_remove_conflicting_pci_devices(struct pci_dev *pdev, const char *name); | |
20 | #else | |
21 | static inline int devm_aperture_acquire_for_platform_device(struct platform_device *pdev, | |
22 | resource_size_t base, | |
23 | resource_size_t size) | |
24 | { | |
25 | return 0; | |
26 | } | |
27 | ||
28 | static inline int aperture_remove_conflicting_devices(resource_size_t base, resource_size_t size, | |
29 | bool primary, const char *name) | |
30 | { | |
31 | return 0; | |
32 | } | |
33 | ||
34 | static inline int aperture_remove_conflicting_pci_devices(struct pci_dev *pdev, const char *name) | |
35 | { | |
36 | return 0; | |
37 | } | |
38 | #endif | |
39 | ||
40 | /** | |
41 | * aperture_remove_all_conflicting_devices - remove all existing framebuffers | |
42 | * @primary: also kick vga16fb if present; only relevant for VGA devices | |
43 | * @name: a descriptive name of the requesting driver | |
44 | * | |
45 | * This function removes all graphics device drivers. Use this function on systems | |
46 | * that can have their framebuffer located anywhere in memory. | |
47 | * | |
48 | * Returns: | |
49 | * 0 on success, or a negative errno code otherwise | |
50 | */ | |
51 | static inline int aperture_remove_all_conflicting_devices(bool primary, const char *name) | |
52 | { | |
53 | return aperture_remove_conflicting_devices(0, (resource_size_t)-1, primary, name); | |
54 | } | |
55 | ||
56 | #endif |