sound/pci/au88x0/au8810.h

Source file repositories/reference/linux-study-clean/sound/pci/au88x0/au8810.h

File Facts

System
Linux kernel
Corpus path
sound/pci/au88x0/au8810.h
Extension
.h
Size
7027 bytes
Lines
226
Domain
Driver Families
Bucket
sound/pci
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

Aureal Advantage Soundcard driver.
 */

#define CHIP_AU8810

#define CARD_NAME "Aureal Advantage"
#define CARD_NAME_SHORT "au8810"

#define NR_ADB		0x10
#define NR_WT		0x00
#define NR_SRC		0x10
#define NR_A3D		0x10
#define NR_MIXIN	0x20
#define NR_MIXOUT	0x10


/* ADBDMA */
#define VORTEX_ADBDMA_STAT 0x27e00	/* read only, subbuffer, DMA pos */
#define		POS_MASK 0x00000fff
#define     POS_SHIFT 0x0
#define 	ADB_SUBBUF_MASK 0x00003000	/* ADB only. */
#define     ADB_SUBBUF_SHIFT 0xc	/* ADB only. */
#define VORTEX_ADBDMA_CTRL 0x27180	/* write only; format, flags, DMA pos */
#define		OFFSET_MASK 0x00000fff
#define     OFFSET_SHIFT 0x0
#define		IE_MASK 0x00001000	/* interrupt enable. */
#define     IE_SHIFT 0xc
#define     DIR_MASK 0x00002000	/* Direction */
#define     DIR_SHIFT 0xd
#define		FMT_MASK 0x0003c000
#define		FMT_SHIFT 0xe
// The ADB masks and shift also are valid for the wtdma, except if specified otherwise.
#define VORTEX_ADBDMA_BUFCFG0 0x27100
#define VORTEX_ADBDMA_BUFCFG1 0x27104
#define VORTEX_ADBDMA_BUFBASE 0x27000
#define VORTEX_ADBDMA_START 0x27c00	/* Which subbuffer starts */

#define VORTEX_ADBDMA_STATUS 0x27A90	/* stored at AdbDma->this_10 / 2 DWORD in size. */

/* WTDMA */
#define VORTEX_WTDMA_CTRL 0x27fd8	/* format, DMA pos */
#define VORTEX_WTDMA_STAT 0x27fe8	/* DMA subbuf, DMA pos */
#define     WT_SUBBUF_MASK 0x3
#define     WT_SUBBUF_SHIFT 0xc
#define VORTEX_WTDMA_BUFBASE 0x27fc0
#define VORTEX_WTDMA_BUFCFG0 0x27fd0
#define VORTEX_WTDMA_BUFCFG1 0x27fd4
#define VORTEX_WTDMA_START 0x27fe4	/* which subbuffer is first */

/* ADB */
#define VORTEX_ADB_SR 0x28400	/* Samplerates enable/disable */
#define VORTEX_ADB_RTBASE 0x28000
#define VORTEX_ADB_RTBASE_COUNT 173
#define VORTEX_ADB_CHNBASE 0x282b4
#define VORTEX_ADB_CHNBASE_COUNT 24
#define 	ROUTE_MASK	0xffff
#define		SOURCE_MASK	0xff00
#define     ADB_MASK   0xff
#define		ADB_SHIFT 0x8

/* ADB address */
#define		OFFSET_ADBDMA	0x00
#define		OFFSET_SRCIN	0x40
#define		OFFSET_SRCOUT	0x20
#define		OFFSET_MIXIN	0x50
#define		OFFSET_MIXOUT	0x30
#define		OFFSET_CODECIN	0x70
#define		OFFSET_CODECOUT	0x88
#define		OFFSET_SPORTIN	0x78	/* ch 0x13 */
#define		OFFSET_SPORTOUT	0x90
#define		OFFSET_SPDIFOUT	0x92	/* ch 0x14 check this! */
#define		OFFSET_EQIN	0xa0
#define		OFFSET_EQOUT	0x7e	/* 2 routes on ch 0x11 */
#define		OFFSET_XTALKOUT	0x66	/* crosstalk canceller (source) */
#define		OFFSET_XTALKIN	0x96	/* crosstalk canceller (sink) */
#define		OFFSET_A3DIN	0x70	/* ADB sink. */
#define		OFFSET_A3DOUT	0xA6	/* ADB source. 2 routes per slice = 8 */
#define		OFFSET_EFXIN	0x80	/* ADB sink. */
#define		OFFSET_EFXOUT	0x68	/* ADB source. */

/* ADB route translate helper */
#define ADB_DMA(x) (x)
#define ADB_SRCOUT(x) (x + OFFSET_SRCOUT)
#define ADB_SRCIN(x) (x + OFFSET_SRCIN)
#define ADB_MIXOUT(x) (x + OFFSET_MIXOUT)
#define ADB_MIXIN(x) (x + OFFSET_MIXIN)
#define ADB_CODECIN(x) (x + OFFSET_CODECIN)
#define ADB_CODECOUT(x) (x + OFFSET_CODECOUT)
#define ADB_SPORTIN(x) (x + OFFSET_SPORTIN)
#define ADB_SPORTOUT(x) (x + OFFSET_SPORTOUT)

Annotation

Implementation Notes