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au8820.h

/*
    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 3D Sound Processor"
#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)
#define     WT_SUBBUF_SHIFT 0x15
#define VORTEX_WTDMA_BUFBASE 0x10000
#define VORTEX_WTDMA_BUFCFG0 0x10300
#define VORTEX_WTDMA_BUFCFG1 0x10304
#define VORTEX_WTDMA_START 0x10640  /* which subbuffer is first */

#define VORTEX_WT_BASE 0x9000

/* MIXER */
#define VORTEX_MIXER_SR 0x9f00
#define VORTEX_MIXER_CLIP 0x9f80
#define VORTEX_MIXER_CHNBASE 0x9e40
#define VORTEX_MIXER_RTBASE 0x9e00
#define     MIXER_RTBASE_SIZE 0x26
#define VORTEX_MIX_ENIN 0x9a00      /* Input enable bits. 4 bits wide. */
#define VORTEX_MIX_SMP 0x9c00

/* MIX */
#define VORTEX_MIX_INVOL_A 0x9000   /* in? */
#define VORTEX_MIX_INVOL_B 0x8000   /* out? */
#define VORTEX_MIX_VOL_A 0x9800
#define VORTEX_MIX_VOL_B 0x8800

#define     VOL_MIN 0x80      /* Input volume when muted. */
#define           VOL_MAX 0x7f      /* FIXME: Not confirmed! Just guessed. */

//#define MIX_OUTL    0xe
//#define MIX_OUTR    0xf
//#define MIX_INL     0xe
//#define MIX_INR     0xf
#define MIX_DEFIGAIN 0x08     /* 0x8 => 6dB */
#define MIX_DEFOGAIN 0x08

/* SRC */
#define VORTEX_SRCBLOCK_SR    0xccc0
#define VORTEX_SRC_CHNBASE    0xcc40
#define VORTEX_SRC_RTBASE     0xcc00
#define VORTEX_SRC_SOURCE     0xccc4
#define VORTEX_SRC_SOURCESIZE 0xccc8
#define VORTEX_SRC_U0         0xce00
#define VORTEX_SRC_DRIFT0     0xce80
#define VORTEX_SRC_DRIFT1     0xcec0
#define VORTEX_SRC_U1         0xcf00
#define VORTEX_SRC_DRIFT2     0xcf40
#define VORTEX_SRC_U2         0xcf80
#define VORTEX_SRC_DATA       0xc800
#define VORTEX_SRC_DATA0      0xc000
#define VORTEX_SRC_CONVRATIO 0xce40
//#define     SRC_RATIO(x) ((((x<<15)/48000) + 1)/2) /* Playback */
//#define     SRC_RATIO2(x) ((((48000<<15)/x) + 1)/2) /* Recording */

/* FIFO */
#define VORTEX_FIFO_ADBCTRL 0xf800  /* Control bits. */
#define VORTEX_FIFO_WTCTRL 0xf840
#define           FIFO_RDONLY 0x00000001
#define           FIFO_CTRL   0x00000002  /* Allow ctrl. ? */
#define           FIFO_VALID  0x00000010
#define     FIFO_EMPTY  0x00000020
#define           FIFO_U0           0x00001000  /* Unknown. */
#define           FIFO_U1           0x00010000
#define           FIFO_SIZE_BITS 5
#define           FIFO_SIZE   (1<<FIFO_SIZE_BITS)     // 0x20
#define     FIFO_MASK   (FIFO_SIZE-1)     //0x1f    /* at shift left 0xc */
#define VORTEX_FIFO_ADBDATA 0xe000
#define VORTEX_FIFO_WTDATA 0xe800

/* CODEC */
#define VORTEX_CODEC_CTRL 0x11984
#define VORTEX_CODEC_EN 0x11990
#define           EN_CODEC    0x00000300
#define           EN_SPORT    0x00030000
#define           EN_SPDIF    0x000c0000
#define VORTEX_CODEC_CHN 0x11880
#define VORTEX_CODEC_IO 0x11988

#define VORTEX_SPDIF_FLAGS          0x1005c     /* FIXME */
#define VORTEX_SPDIF_CFG0           0x119D0
#define VORTEX_SPDIF_CFG1           0x119D4
#define VORTEX_SPDIF_SMPRATE  0x11994

/* Sample timer */
#define VORTEX_SMP_TIME 0x11998

/* IRQ */
#define VORTEX_IRQ_SOURCE 0x12800   /* Interrupt source flags. */
#define VORTEX_IRQ_CTRL 0x12804     /* Interrupt source mask. */

#define VORTEX_STAT           0x12808     /* ?? */

#define VORTEX_CTRL 0x1280c
#define     CTRL_MIDI_EN 0x00000001
#define     CTRL_MIDI_PORT 0x00000060
#define     CTRL_GAME_EN 0x00000008
#define     CTRL_GAME_PORT 0x00000e00
#define     CTRL_IRQ_ENABLE 0x4000

/* write: Timer period config / read: TIMER IRQ ack. */
#define VORTEX_IRQ_STAT 0x1199c

/* DMA */
#define VORTEX_DMA_BUFFER 0x10200
#define VORTEX_ENGINE_CTRL 0x1060c
#define     ENGINE_INIT 0x0L

                 /* MIDI *//* GAME. */
#define VORTEX_MIDI_DATA 0x11000
#define VORTEX_MIDI_CMD 0x11004     /* Write command / Read status */
#define VORTEX_GAME_LEGACY 0x11008
#define VORTEX_CTRL2 0x1100c
#define     CTRL2_GAME_ADCMODE 0x40
#define VORTEX_GAME_AXIS 0x11010
#define     AXIS_SIZE 4
#define           AXIS_RANGE 0x1fff

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