sound/isa/galaxy/azt1605.c

Source file repositories/reference/linux-study-clean/sound/isa/galaxy/azt1605.c

File Facts

System
Linux kernel
Corpus path
sound/isa/galaxy/azt1605.c
Extension
.c
Size
2200 bytes
Lines
79
Domain
Driver Families
Bucket
sound/isa
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-or-later
/*
 * Aztech AZT1605 Driver
 * Copyright (C) 2007,2010  Rene Herman
 */

#define AZT1605

#define CRD_NAME "Aztech AZT1605"
#define DRV_NAME "AZT1605"
#define DEV_NAME "azt1605"

#define GALAXY_DSP_MAJOR		2
#define GALAXY_DSP_MINOR		1

#define GALAXY_CONFIG_SIZE		3

/*
 * 24-bit config register
 */

#define GALAXY_CONFIG_SBA_220		(0 << 0)
#define GALAXY_CONFIG_SBA_240		(1 << 0)
#define GALAXY_CONFIG_SBA_260		(2 << 0)
#define GALAXY_CONFIG_SBA_280		(3 << 0)
#define GALAXY_CONFIG_SBA_MASK		GALAXY_CONFIG_SBA_280

#define GALAXY_CONFIG_MPUA_300		(0 << 2)
#define GALAXY_CONFIG_MPUA_330		(1 << 2)

#define GALAXY_CONFIG_MPU_ENABLE	(1 << 3)

#define GALAXY_CONFIG_GAME_ENABLE	(1 << 4)

#define GALAXY_CONFIG_CD_PANASONIC	(1 << 5)
#define GALAXY_CONFIG_CD_MITSUMI	(1 << 6)
#define GALAXY_CONFIG_CD_MASK		(\
	GALAXY_CONFIG_CD_PANASONIC | GALAXY_CONFIG_CD_MITSUMI)

#define GALAXY_CONFIG_UNUSED		(1 << 7)
#define GALAXY_CONFIG_UNUSED_MASK	GALAXY_CONFIG_UNUSED

#define GALAXY_CONFIG_SBIRQ_2		(1 << 8)
#define GALAXY_CONFIG_SBIRQ_3		(1 << 9)
#define GALAXY_CONFIG_SBIRQ_5		(1 << 10)
#define GALAXY_CONFIG_SBIRQ_7		(1 << 11)

#define GALAXY_CONFIG_MPUIRQ_2		(1 << 12)
#define GALAXY_CONFIG_MPUIRQ_3		(1 << 13)
#define GALAXY_CONFIG_MPUIRQ_5		(1 << 14)
#define GALAXY_CONFIG_MPUIRQ_7		(1 << 15)

#define GALAXY_CONFIG_WSSA_530		(0 << 16)
#define GALAXY_CONFIG_WSSA_604		(1 << 16)
#define GALAXY_CONFIG_WSSA_E80		(2 << 16)
#define GALAXY_CONFIG_WSSA_F40		(3 << 16)

#define GALAXY_CONFIG_WSS_ENABLE	(1 << 18)

#define GALAXY_CONFIG_CDIRQ_11		(1 << 19)
#define GALAXY_CONFIG_CDIRQ_12		(1 << 20)
#define GALAXY_CONFIG_CDIRQ_15		(1 << 21)
#define GALAXY_CONFIG_CDIRQ_MASK	(\
	GALAXY_CONFIG_CDIRQ_11 | GALAXY_CONFIG_CDIRQ_12 |\
	GALAXY_CONFIG_CDIRQ_15)

#define GALAXY_CONFIG_CDDMA_DISABLE	(0 << 22)
#define GALAXY_CONFIG_CDDMA_0		(1 << 22)
#define GALAXY_CONFIG_CDDMA_1		(2 << 22)
#define GALAXY_CONFIG_CDDMA_3		(3 << 22)
#define GALAXY_CONFIG_CDDMA_MASK	GALAXY_CONFIG_CDDMA_3

#define GALAXY_CONFIG_MASK		(\
	GALAXY_CONFIG_SBA_MASK | GALAXY_CONFIG_CD_MASK |\
	GALAXY_CONFIG_UNUSED_MASK | GALAXY_CONFIG_CDIRQ_MASK |\
	GALAXY_CONFIG_CDDMA_MASK)

#include "galaxy.c"

Annotation

Implementation Notes