0f55ac6c1a
this gives us several benefits, including: * easier extensibility- new optional methods can be added to ac97/mixer/channel classes without having to fixup every driver. * forward compatibility for drivers, provided no new mandatory methods are added.
188 lines
4.6 KiB
C
188 lines
4.6 KiB
C
/*
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* file: sbcard.h
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* $FreeBSD$
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*/
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/*
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* sound blaster registers
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*/
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#define SBDSP_RST 0x6
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#define DSP_READ 0xA
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#define DSP_WRITE 0xC
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#define SBDSP_CMD 0xC
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#define SBDSP_STATUS 0xC
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#define DSP_DATA_AVAIL 0xE
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#define DSP_DATA_AVL16 0xF
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#define SB_MIX_ADDR 0x4
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#define SB_MIX_DATA 0x5
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#if 0
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#define OPL3_LEFT (io_base + 0x0)
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#define OPL3_RIGHT (io_base + 0x2)
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#define OPL3_BOTH (io_base + 0x8)
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#endif
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/*
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* DSP Commands. There are many, and in many cases they are used explicitly
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*/
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/* these are not used except for programmed I/O (not in this driver) */
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#define DSP_DAC8 0x10 /* direct DAC output */
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#define DSP_ADC8 0x20 /* direct ADC input */
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/* these should be used in the SB 1.0 */
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#define DSP_CMD_DAC8 0x14 /* single cycle 8-bit dma out */
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#define DSP_CMD_ADC8 0x24 /* single cycle 8-bit dma in */
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/* these should be used in the SB 2.0 and 2.01 */
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#define DSP_CMD_DAC8_AUTO 0x1c /* auto 8-bit dma out */
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#define DSP_CMD_ADC8_AUTO 0x2c /* auto 8-bit dma out */
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#define DSP_CMD_HSSIZE 0x48 /* high speed dma count */
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#define DSP_CMD_HSDAC_AUTO 0x90 /* high speed dac, auto */
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#define DSP_CMD_HSADC_AUTO 0x98 /* high speed adc, auto */
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/* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */
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/* prepare for dma input */
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#define DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
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#define DSP_CMD_DAC2 0x16 /* 2-bit adpcm dma out (cont) */
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#define DSP_CMD_DAC2S 0x17 /* 2-bit adpcm dma out (start) */
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#define DSP_CMD_DAC2S_AUTO 0x1f /* auto 2-bit adpcm dma out (start) */
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/* SB16 commands */
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#define DSP_CMD_O16 0xb0
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#define DSP_CMD_I16 0xb8
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#define DSP_CMD_O8 0xc0
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#define DSP_CMD_I8 0xc8
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#define DSP_MODE_U8MONO 0x00
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#define DSP_MODE_U8STEREO 0x20
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#define DSP_MODE_S16MONO 0x10
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#define DSP_MODE_S16STEREO 0x30
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#define DSP_CMD_SPKON 0xD1
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#define DSP_CMD_SPKOFF 0xD3
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#define DSP_CMD_SPKR(on) (0xD1 | (on ? 0:2))
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#define DSP_CMD_DMAPAUSE_8 0xD0
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#define DSP_CMD_DMAPAUSE_16 0xD5
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#define DSP_CMD_DMAEXIT_8 0xDA
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#define DSP_CMD_DMAEXIT_16 0xD9
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#define DSP_CMD_TCONST 0x40 /* set time constant */
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#define DSP_CMD_HSDAC 0x91 /* high speed dac */
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#define DSP_CMD_HSADC 0x99 /* high speed adc */
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#define DSP_CMD_GETVER 0xE1
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#define DSP_CMD_GETID 0xE7 /* return id bytes */
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#define DSP_CMD_OUT16 0x41 /* send parms for dma out on sb16 */
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#define DSP_CMD_IN16 0x42 /* send parms for dma in on sb16 */
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#if 0 /*** unknown ***/
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#define DSP_CMD_FA 0xFA /* get version from prosonic*/
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#define DSP_CMD_FB 0xFB /* set irq/dma for prosonic*/
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#endif
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/*
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* in fact, for the SB16, dma commands are as follows:
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*
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* cmd, mode, len_low, len_high.
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*
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* cmd is a combination of DSP_DMA16 or DSP_DMA8 and
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*/
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#define DSP_DMA16 0xb0
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#define DSP_DMA8 0xc0
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# define DSP_F16_DAC 0x00
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# define DSP_F16_ADC 0x08
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# define DSP_F16_AUTO 0x04
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# define DSP_F16_FIFO_ON 0x02
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/*
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* mode is a combination of the following:
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*/
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#define DSP_F16_STEREO 0x20
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#define DSP_F16_SIGNED 0x10
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#define IMODE_NONE 0
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#define IMODE_OUTPUT PCM_ENABLE_OUTPUT
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#define IMODE_INPUT PCM_ENABLE_INPUT
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#define IMODE_INIT 3
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#define IMODE_MIDI 4
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#define NORMAL_MIDI 0
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#define UART_MIDI 1
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/*
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* values used for bd_flags in SoundBlaster driver
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*/
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#define BD_F_HISPEED 0x0001 /* doing high speed ... */
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#if 0
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#define BD_F_JAZZ16 0x0002 /* jazz16 detected */
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#define BD_F_JAZZ16_2 0x0004 /* jazz16 type 2 */
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#endif
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#define BD_F_DUP_MIDI 0x0008 /* duplex midi */
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#define BD_F_MIX_MASK 0x0070 /* up to 8 mixers (I know of 3) */
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#define BD_F_MIX_CT1335 0x0010 /* CT1335 */
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#define BD_F_MIX_CT1345 0x0020 /* CT1345 */
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#define BD_F_MIX_CT1745 0x0030 /* CT1745 */
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#define BD_F_SB16 0x0100 /* this is a SB16 */
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#define BD_F_SB16X 0x0200 /* this is a vibra16X or clone */
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#if 0
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#define BD_F_MIDIBUSY 0x0400 /* midi busy */
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#endif
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#define BD_F_ESS 0x0800 /* this is an ESS chip */
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#define BD_F_DMARUN 0x2000
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#define BD_F_DMARUN2 0x4000
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/*
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* Mixer registers of SB Pro
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*/
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#define VOC_VOL 0x04
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#define MIC_VOL 0x0A
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#define MIC_MIX 0x0A
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#define RECORD_SRC 0x0C
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#define IN_FILTER 0x0C
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#define OUT_FILTER 0x0E
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#define MASTER_VOL 0x22
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#define FM_VOL 0x26
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#define CD_VOL 0x28
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#define LINE_VOL 0x2E
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#define IRQ_NR 0x80
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#define DMA_NR 0x81
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#define IRQ_STAT 0x82
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/*
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* Additional registers on the SG NX Pro
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*/
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#define COVOX_VOL 0x42
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#define TREBLE_LVL 0x44
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#define BASS_LVL 0x46
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#define FREQ_HI (1 << 3)/* Use High-frequency ANFI filters */
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#define FREQ_LOW 0 /* Use Low-frequency ANFI filters */
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#define FILT_ON 0 /* Yes, 0 to turn it on, 1 for off */
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#define FILT_OFF (1 << 5)
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#define MONO_DAC 0x00
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#define STEREO_DAC 0x02
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/*
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* Mixer registers of SB16
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*/
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#define SB16_IMASK_L 0x3d
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#define SB16_IMASK_R 0x3e
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#define SB16_OMASK 0x3c
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