sound/pci/au88x0/au8820.h

Source file repositories/reference/linux-study-clean/sound/pci/au88x0/au8820.h

File Facts

System
Linux kernel
Corpus path
sound/pci/au88x0/au8820.h
Extension
.h
Size
6499 bytes
Lines
206
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 Vortex Soundcard driver.

    IO addr collected from asp4core.vxd:
    function    address
    0005D5A0    13004
    00080674    14004
    00080AFF    12818

 */

#define CHIP_AU8820

#define CARD_NAME "Aureal Vortex"
#define CARD_NAME_SHORT "au8820"

/* Number of ADB and WT channels */
#define NR_ADB		0x10
#define NR_WT		0x20
#define NR_SRC		0x10
#define NR_A3D		0x00
#define NR_MIXIN	0x10
#define NR_MIXOUT 	0x10


/* ADBDMA */
#define VORTEX_ADBDMA_STAT 0x105c0	/* 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 0x10580	/* 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 masks and shift also work for the wtdma, if not specified otherwise.
#define VORTEX_ADBDMA_BUFCFG0 0x10400
#define VORTEX_ADBDMA_BUFCFG1 0x10404
#define VORTEX_ADBDMA_BUFBASE 0x10200
#define VORTEX_ADBDMA_START 0x106c0	/* Which subbuffer starts */
#define VORTEX_ADBDMA_STATUS 0x10600	/* stored at AdbDma->this_10 / 2 DWORD in size. */

/* ADB */
#define VORTEX_ADB_SR 0x10a00	/* Samplerates enable/disable */
#define VORTEX_ADB_RTBASE 0x10800
#define VORTEX_ADB_RTBASE_COUNT 103
#define VORTEX_ADB_CHNBASE 0x1099c
#define VORTEX_ADB_CHNBASE_COUNT 22
#define 	ROUTE_MASK	0x3fff
#define     ADB_MASK   0x7f
#define		ADB_SHIFT 0x7
//#define     ADB_MIX_MASK 0xf
/* ADB address */
#define		OFFSET_ADBDMA	0x00
#define		OFFSET_SRCOUT	0x10	/* on channel 0x11 */
#define		OFFSET_SRCIN	0x10	/* on channel < 0x11 */
#define		OFFSET_MIXOUT	0x20	/* source */
#define		OFFSET_MIXIN	0x30	/* sink */
#define		OFFSET_CODECIN	0x48	/* ADB source */
#define		OFFSET_CODECOUT	0x58	/* ADB sink/target */
#define		OFFSET_SPORTOUT	0x60	/* sink */
#define		OFFSET_SPORTIN	0x50	/* source */
#define		OFFSET_EFXOUT	0x50	/* sink */
#define		OFFSET_EFXIN	0x40	/* source */
#define		OFFSET_A3DOUT	0x00	/* This card has no HRTF :( */
#define		OFFSET_A3DIN	0x00
#define		OFFSET_WTOUT	0x58	/*  */

/* ADB route translate helper */
#define ADB_DMA(x) (x + OFFSET_ADBDMA)
#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_SPORTOUT(x) (x + OFFSET_SPORTOUT)
#define ADB_SPORTIN(x) (x + OFFSET_SPORTIN)	/*  */
#define ADB_A3DOUT(x) (x + OFFSET_A3DOUT)	/* 8 A3D blocks */
#define ADB_A3DIN(x) (x + OFFSET_A3DIN)
#define ADB_WTOUT(x,y) (y + OFFSET_WTOUT)

/* WTDMA */
#define VORTEX_WTDMA_CTRL 0x10500	/* format, DMA pos */
#define VORTEX_WTDMA_STAT 0x10500	/* DMA subbuf, DMA pos */
#define     WT_SUBBUF_MASK (0x3 << WT_SUBBUF_SHIFT)

Annotation

Implementation Notes