drivers/char/agp/uninorth-agp.c

Source file repositories/reference/linux-study-clean/drivers/char/agp/uninorth-agp.c

File Facts

System
Linux kernel
Corpus path
drivers/char/agp/uninorth-agp.c
Extension
.c
Size
18591 bytes
Lines
729
Domain
Driver Families
Bucket
drivers/char
Inferred role
Driver Families: operation-table or driver-model contract
Status
pattern implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

static struct pci_driver agp_uninorth_pci_driver = {
	.name		= "agpgart-uninorth",
	.id_table	= agp_uninorth_pci_table,
	.probe		= agp_uninorth_probe,
	.remove		= agp_uninorth_remove,
};

static int __init agp_uninorth_init(void)
{
	if (agp_off)
		return -EINVAL;
	return pci_register_driver(&agp_uninorth_pci_driver);
}

static void __exit agp_uninorth_cleanup(void)
{
	pci_unregister_driver(&agp_uninorth_pci_driver);
}

module_init(agp_uninorth_init);
module_exit(agp_uninorth_cleanup);

module_param(aperture, charp, 0);
MODULE_PARM_DESC(aperture,
		 "Aperture size, must be power of two between 4MB and an\n"
		 "\t\tupper limit specific to the UniNorth revision.\n"
		 "\t\tDefault: " DEFAULT_APERTURE_STRING "M");

MODULE_AUTHOR("Ben Herrenschmidt & Paul Mackerras");
MODULE_DESCRIPTION("Apple UniNorth & U3 AGP support");
MODULE_LICENSE("GPL");

Annotation

Implementation Notes