drivers/comedi/drivers/cb_pcidas64.c

File Facts

System

Linux kernel

Corpus path

drivers/comedi/drivers/cb_pcidas64.c

Extension

.c

Size

114289 bytes

Lines

4113

Domain

Driver Families

Bucket

drivers/comedi

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.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/module.h
• linux/delay.h
• linux/interrupt.h
• linux/comedi/comedi_pci.h
• linux/comedi/comedi_8255.h
• plx9080.h

Detected Declarations

• struct hw_fifo_info
• struct pcidas64_board
• struct ext_clock_info
• struct pcidas64_private
• enum write_only_registers
• enum read_only_registers
• enum read_write_registers
• enum dio_counter_registers
• enum intr_enable_contents
• enum hw_config_contents
• enum daq_atrig_low_4020_contents
• enum adc_control0_contents
• enum adc_control1_contents
• enum calibration_contents
• enum adc_queue_load_contents
• enum dac_control0_contents
• enum dac_control1_contents
• enum hw_status_contents
• enum i2c_addresses
• enum range_cal_i2c_contents
• enum register_layout
• enum pcidas64_boardid
• enum pointer_bits
• enum data_bits
• function dac_convert_reg
• function dac_lsb_4020_reg
• function dac_msb_4020_reg
• function adc_lo_chan_4020_bits
• function adc_hi_chan_4020_bits
• function adc_mode_bits
• function adc_src_bits
• function adc_convert_chan_4020_bits
• function adc_chan_bits
• function pipe_full_bits
• function adc_upper_read_ptr_code
• function adc_upper_write_ptr_code
• function adc_src_4020_bits
• function attenuate_bit
• function ai_dma_ring_count
• function se_diff_bit_6xxx
• function ai_range_bits_6xxx
• function hw_revision
• function set_dac_range_bits
• function ao_cmd_is_supported
• function abort_dma
• function disable_plx_interrupts
• function disable_ai_interrupts
• function enable_ai_interrupts

Annotated Snippet

static struct pci_driver cb_pcidas64_pci_driver = {
	.name		= "cb_pcidas64",
	.id_table	= cb_pcidas64_pci_table,
	.probe		= cb_pcidas64_pci_probe,
	.remove		= comedi_pci_auto_unconfig,
};
module_comedi_pci_driver(cb_pcidas64_driver, cb_pcidas64_pci_driver);

MODULE_AUTHOR("Comedi https://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");

Annotation

• Immediate include surface: `linux/module.h`, `linux/delay.h`, `linux/interrupt.h`, `linux/comedi/comedi_pci.h`, `linux/comedi/comedi_8255.h`, `plx9080.h`.
• Detected declarations: `struct hw_fifo_info`, `struct pcidas64_board`, `struct ext_clock_info`, `struct pcidas64_private`, `enum write_only_registers`, `enum read_only_registers`, `enum read_write_registers`, `enum dio_counter_registers`, `enum intr_enable_contents`, `enum hw_config_contents`.
• Atlas domain: Driver Families / drivers/comedi.
• 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.