drivers/video/fbdev/q40fb.c
Source file repositories/reference/linux-study-clean/drivers/video/fbdev/q40fb.c
File Facts
- System
- Linux kernel
- Corpus path
drivers/video/fbdev/q40fb.c- Extension
.c- Size
- 3229 bytes
- Lines
- 152
- Domain
- Driver Families
- Bucket
- drivers/video
- Inferred role
- Driver Families: exported/initcall integration point
- Status
- integration 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.
- 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.
- Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
linux/kernel.hlinux/errno.hlinux/string.hlinux/mm.hlinux/delay.hlinux/interrupt.hlinux/platform_device.hlinux/uaccess.hasm/setup.hasm/q40_master.hlinux/fb.hlinux/module.h
Detected Declarations
function q40fb_setcolregfunction q40fb_probefunction q40fb_initmodule init q40fb_init
Annotated Snippet
module_init(q40fb_init);
MODULE_LICENSE("GPL");Annotation
- Immediate include surface: `linux/kernel.h`, `linux/errno.h`, `linux/string.h`, `linux/mm.h`, `linux/delay.h`, `linux/interrupt.h`, `linux/platform_device.h`, `linux/uaccess.h`.
- Detected declarations: `function q40fb_setcolreg`, `function q40fb_probe`, `function q40fb_init`, `module init q40fb_init`.
- Atlas domain: Driver Families / drivers/video.
- Implementation status: integration implementation candidate.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.