drivers/media/pci/cobalt/cobalt-driver.c

File Facts

System

Linux kernel

Corpus path

drivers/media/pci/cobalt/cobalt-driver.c

Extension

.c

Size

22952 bytes

Lines

799

Domain

Driver Families

Bucket

drivers/media

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.

• 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.
• Defines an operation table; this is where Linux turns generic core objects into subsystem-specific behavior.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Touches IRQ or DMA behavior; this matters for the representative real-device path.
• 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/bitfield.h
• linux/delay.h
• media/i2c/adv7604.h
• media/i2c/adv7842.h
• media/i2c/adv7511.h
• media/v4l2-event.h
• media/v4l2-ctrls.h
• cobalt-driver.h
• cobalt-irq.h
• cobalt-i2c.h
• cobalt-v4l2.h
• cobalt-flash.h
• cobalt-alsa.h
• cobalt-omnitek.h

Detected Declarations

• function cobalt_set_interrupt
• function cobalt_get_sd_nr
• function cobalt_notify
• function get_payload_size
• function cobalt_pcie_status_show
• function pcie_link_get_lanes
• function pcie_bus_link_get_lanes
• function msi_config_show
• function cobalt_pci_iounmap
• function cobalt_free_msi
• function cobalt_setup_pci
• function cobalt_hdl_info_get
• function cobalt_stream_struct_init
• function cobalt_subdevs_init
• function cobalt_subdevs_hsma_init
• function cobalt_probe
• function cobalt_remove

Annotated Snippet

static struct pci_driver cobalt_pci_driver = {
	.name =     "cobalt",
	.id_table = cobalt_pci_tbl,
	.probe =    cobalt_probe,
	.remove =   cobalt_remove,
};

module_pci_driver(cobalt_pci_driver);

Annotation

• Immediate include surface: `linux/bitfield.h`, `linux/delay.h`, `media/i2c/adv7604.h`, `media/i2c/adv7842.h`, `media/i2c/adv7511.h`, `media/v4l2-event.h`, `media/v4l2-ctrls.h`, `cobalt-driver.h`.
• Detected declarations: `function cobalt_set_interrupt`, `function cobalt_get_sd_nr`, `function cobalt_notify`, `function get_payload_size`, `function cobalt_pcie_status_show`, `function pcie_link_get_lanes`, `function pcie_bus_link_get_lanes`, `function msi_config_show`, `function cobalt_pci_iounmap`, `function cobalt_free_msi`.
• Atlas domain: Driver Families / drivers/media.
• Implementation status: pattern implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.
• IRQ or DMA behavior appears here, which is relevant to the selected PCIe/NVMe device path.

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.