drivers/hid/hid-nintendo.c

File Facts

System

Linux kernel

Corpus path

drivers/hid/hid-nintendo.c

Extension

.c

Size

90903 bytes

Lines

2898

Domain

Driver Families

Bucket

drivers/hid

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

• hid-ids.h
• linux/unaligned.h
• linux/delay.h
• linux/device.h
• linux/kernel.h
• linux/hid.h
• linux/idr.h
• linux/input.h
• linux/jiffies.h
• linux/leds.h
• linux/module.h
• linux/power_supply.h
• linux/spinlock.h

Detected Declarations

• struct joycon_rumble_freq_data
• struct joycon_rumble_amp_data
• struct joycon_stick_cal
• struct joycon_imu_cal
• struct joycon_ctlr_button_mapping
• struct joycon_rumble_output
• struct joycon_subcmd_request
• struct joycon_subcmd_reply
• struct joycon_imu_data
• struct joycon_input_report
• struct joycon_ctlr
• enum joycon_ctlr_state
• enum joycon_ctlr_type
• enum joycon_msg_type
• function joycon_device_is_chrggrip
• function controllers
• function joycon_type_is_right_joycon
• function joycon_type_is_procon
• function joycon_type_is_snescon
• function joycon_type_is_gencon
• function joycon_type_is_n64con
• function joycon_type_is_left_nescon
• function joycon_type_is_right_nescon
• function joycon_type_is_any_joycon
• function joycon_type_is_any_nescon
• function joycon_has_imu
• function joycon_has_joysticks
• function joycon_has_rumble
• function joycon_using_usb
• function __joycon_hid_send
• function joycon_wait_for_input_report
• function joycon_enforce_subcmd_rate
• function joycon_hid_send_sync
• function joycon_send_usb
• function joycon_send_subcmd
• function joycon_set_player_leds
• function joycon_set_home_led
• function joycon_request_spi_flash_read
• function joycon_check_for_cal_magic
• function joycon_read_stick_calibration
• function joycon_use_default_calibration
• function joycon_request_calibration
• function joycon_calc_imu_cal_divisors
• function joycon_request_imu_calibration
• function joycon_set_report_mode
• function joycon_enable_rumble
• function joycon_enable_imu
• function joycon_map_stick_val

Annotated Snippet

module_init(nintendo_init);
module_exit(nintendo_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ryan McClelland <rymcclel@gmail.com>");
MODULE_AUTHOR("Emily Strickland <linux@emily.st>");
MODULE_AUTHOR("Daniel J. Ogorchock <djogorchock@gmail.com>");
MODULE_DESCRIPTION("Driver for Nintendo Switch Controllers");

Annotation

• Immediate include surface: `hid-ids.h`, `linux/unaligned.h`, `linux/delay.h`, `linux/device.h`, `linux/kernel.h`, `linux/hid.h`, `linux/idr.h`, `linux/input.h`.
• Detected declarations: `struct joycon_rumble_freq_data`, `struct joycon_rumble_amp_data`, `struct joycon_stick_cal`, `struct joycon_imu_cal`, `struct joycon_ctlr_button_mapping`, `struct joycon_rumble_output`, `struct joycon_subcmd_request`, `struct joycon_subcmd_reply`, `struct joycon_imu_data`, `struct joycon_input_report`.
• Atlas domain: Driver Families / drivers/hid.
• 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.