drm_module.h

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/* SPDX-License-Identifier: MIT */
 
#ifndef DRM_MODULE_H
#define DRM_MODULE_H
 
#include <linux/pci.h>
#include <linux/platform_device.h>
 
#include <drm/drm_drv.h>
 
/*
 * PCI drivers
 */
 
static inline int __init drm_pci_register_driver(struct pci_driver *pci_drv)
{
    if (drm_firmware_drivers_only())
        return -ENODEV;
 
    return pci_register_driver(pci_drv);
}
 
#define drm_module_pci_driver(__pci_drv) \
    module_driver(__pci_drv, drm_pci_register_driver, pci_unregister_driver)
 
static inline int __init
drm_pci_register_driver_if_modeset(struct pci_driver *pci_drv, int modeset)
{
    if (drm_firmware_drivers_only() && modeset == -1)
        return -ENODEV;
    if (modeset == 0)
        return -ENODEV;
 
    return pci_register_driver(pci_drv);
}
 
static inline void __exit
drm_pci_unregister_driver_if_modeset(struct pci_driver *pci_drv, int modeset)
{
    pci_unregister_driver(pci_drv);
}
 
#define drm_module_pci_driver_if_modeset(__pci_drv, __modeset) \
    module_driver(__pci_drv, drm_pci_register_driver_if_modeset, \
              drm_pci_unregister_driver_if_modeset, __modeset)
 
/*
 * Platform drivers
 */
 
static inline int __init
drm_platform_driver_register(struct platform_driver *platform_drv)
{
    if (drm_firmware_drivers_only())
        return -ENODEV;
 
    return platform_driver_register(platform_drv);
}
 
#define drm_module_platform_driver(__platform_drv) \
    module_driver(__platform_drv, drm_platform_driver_register, \
              platform_driver_unregister)
 
#endif