drivers/macintosh/mac_hid.c

File Facts

System

Linux kernel

Corpus path

drivers/macintosh/mac_hid.c

Extension

.c

Size

5936 bytes

Lines

263

Domain

Driver Families

Bucket

drivers/macintosh

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.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/init.h
• linux/proc_fs.h
• linux/sysctl.h
• linux/input.h
• linux/module.h
• linux/slab.h

Detected Declarations

• function mac_hid_create_emumouse
• function mac_hid_destroy_emumouse
• function mac_hid_emumouse_filter
• function mac_hid_emumouse_connect
• function mac_hid_emumouse_disconnect
• function mac_hid_start_emulation
• function mac_hid_stop_emulation
• function mac_hid_toggle_emumouse
• function mac_hid_init
• function mac_hid_exit
• module init mac_hid_init

Annotated Snippet

module_init(mac_hid_init);

static void __exit mac_hid_exit(void)
{
	unregister_sysctl_table(mac_hid_sysctl_header);

	if (mouse_emulate_buttons)
		mac_hid_stop_emulation();
}
module_exit(mac_hid_exit);

Annotation

• Immediate include surface: `linux/init.h`, `linux/proc_fs.h`, `linux/sysctl.h`, `linux/input.h`, `linux/module.h`, `linux/slab.h`.
• Detected declarations: `function mac_hid_create_emumouse`, `function mac_hid_destroy_emumouse`, `function mac_hid_emumouse_filter`, `function mac_hid_emumouse_connect`, `function mac_hid_emumouse_disconnect`, `function mac_hid_start_emulation`, `function mac_hid_stop_emulation`, `function mac_hid_toggle_emumouse`, `function mac_hid_init`, `function mac_hid_exit`.
• Atlas domain: Driver Families / drivers/macintosh.
• Implementation status: integration implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.

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.