drivers/comedi/drivers/das08_isa.c

Source file repositories/reference/linux-study-clean/drivers/comedi/drivers/das08_isa.c

File Facts

System
Linux kernel
Corpus path
drivers/comedi/drivers/das08_isa.c
Extension
.c
Size
4759 bytes
Lines
192
Domain
Driver Families
Bucket
drivers/comedi
Inferred role
Driver Families: implementation source
Status
source 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.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0+
/*
 *  das08_isa.c
 *  comedi driver for DAS08 ISA/PC-104 boards
 *
 *  COMEDI - Linux Control and Measurement Device Interface
 *  Copyright (C) 2000 David A. Schleef <ds@schleef.org>
 *  Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
 *  Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
 */

/*
 * Driver: das08_isa
 * Description: DAS-08 ISA/PC-104 compatible boards
 * Devices: [Keithley Metrabyte] DAS08 (isa-das08),
 *   [ComputerBoards] DAS08 (isa-das08), DAS08-PGM (das08-pgm),
 *   DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
 *   DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
 *   DAS08/JR-16-AO (das08jr-16-ao), PC104-DAS08 (pc104-das08),
 *   DAS08/JR/16 (das08jr/16)
 * Author: Warren Jasper, ds, Frank Hess
 * Updated: Fri, 31 Aug 2012 19:19:06 +0100
 * Status: works
 *
 * This is the ISA/PC-104-specific support split off from the das08 driver.
 *
 * Configuration Options:
 *	[0] - base io address
 */

#include <linux/module.h>
#include <linux/comedi/comedidev.h>

#include "das08.h"

static const struct das08_board_struct das08_isa_boards[] = {
	{
		/* cio-das08.pdf */
		.name		= "isa-das08",
		.ai_nbits	= 12,
		.ai_pg		= das08_pg_none,
		.ai_encoding	= das08_encode12,
		.di_nchan	= 3,
		.do_nchan	= 4,
		.i8255_offset	= 8,
		.i8254_offset	= 4,
		.iosize		= 16,		/* unchecked */
	}, {
		/* cio-das08pgx.pdf */
		.name		= "das08-pgm",
		.ai_nbits	= 12,
		.ai_pg		= das08_pgm,
		.ai_encoding	= das08_encode12,
		.di_nchan	= 3,
		.do_nchan	= 4,
		.i8255_offset	= 0,
		.i8254_offset	= 0x04,
		.iosize		= 16,		/* unchecked */
	}, {
		/* cio-das08pgx.pdf */
		.name		= "das08-pgh",
		.ai_nbits	= 12,
		.ai_pg		= das08_pgh,
		.ai_encoding	= das08_encode12,
		.di_nchan	= 3,
		.do_nchan	= 4,
		.i8254_offset	= 0x04,
		.iosize		= 16,		/* unchecked */
	}, {
		/* cio-das08pgx.pdf */
		.name		= "das08-pgl",
		.ai_nbits	= 12,
		.ai_pg		= das08_pgl,
		.ai_encoding	= das08_encode12,
		.di_nchan	= 3,
		.do_nchan	= 4,
		.i8254_offset	= 0x04,
		.iosize		= 16,		/* unchecked */
	}, {
		/* cio-das08_aox.pdf */
		.name		= "das08-aoh",
		.ai_nbits	= 12,
		.ai_pg		= das08_pgh,
		.ai_encoding	= das08_encode12,
		.ao_nbits	= 12,
		.di_nchan	= 3,
		.do_nchan	= 4,
		.i8255_offset	= 0x0c,
		.i8254_offset	= 0x04,
		.iosize		= 16,		/* unchecked */

Annotation

Implementation Notes