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freebsd/sys/dev/sound/isa/sb.h

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/*
* file: sbcard.h
* $FreeBSD$
*/
#ifndef SB_H
#define SB_H
struct sbc_softc;
void sbc_lock(struct sbc_softc *);
void sbc_unlock(struct sbc_softc *);
/*
* sound blaster registers
*/
#define SBDSP_RST 0x6
#define DSP_READ 0xA
#define DSP_WRITE 0xC
#define SBDSP_CMD 0xC
#define SBDSP_STATUS 0xC
#define DSP_DATA_AVAIL 0xE
#define DSP_DATA_AVL16 0xF
#define SB_MIX_ADDR 0x4
#define SB_MIX_DATA 0x5
#if 0
#define OPL3_LEFT (io_base + 0x0)
#define OPL3_RIGHT (io_base + 0x2)
#define OPL3_BOTH (io_base + 0x8)
#endif
/*
* DSP Commands. There are many, and in many cases they are used explicitly
*/
/* these are not used except for programmed I/O (not in this driver) */
#define DSP_DAC8 0x10 /* direct DAC output */
#define DSP_ADC8 0x20 /* direct ADC input */
/* these should be used in the SB 1.0 */
#define DSP_CMD_DAC8 0x14 /* single cycle 8-bit dma out */
#define DSP_CMD_ADC8 0x24 /* single cycle 8-bit dma in */
/* these should be used in the SB 2.0 and 2.01 */
#define DSP_CMD_DAC8_AUTO 0x1c /* auto 8-bit dma out */
#define DSP_CMD_ADC8_AUTO 0x2c /* auto 8-bit dma out */
#define DSP_CMD_HSSIZE 0x48 /* high speed dma count */
#define DSP_CMD_HSDAC_AUTO 0x90 /* high speed dac, auto */
#define DSP_CMD_HSADC_AUTO 0x98 /* high speed adc, auto */
/* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */
/* prepare for dma input */
#define DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
#define DSP_CMD_DAC2 0x16 /* 2-bit adpcm dma out (cont) */
#define DSP_CMD_DAC2S 0x17 /* 2-bit adpcm dma out (start) */
#define DSP_CMD_DAC2S_AUTO 0x1f /* auto 2-bit adpcm dma out (start) */
/* SB16 commands */
#define DSP_CMD_O16 0xb0
#define DSP_CMD_I16 0xb8
#define DSP_CMD_O8 0xc0
#define DSP_CMD_I8 0xc8
#define DSP_MODE_U8MONO 0x00
#define DSP_MODE_U8STEREO 0x20
#define DSP_MODE_S16MONO 0x10
#define DSP_MODE_S16STEREO 0x30
#define DSP_CMD_SPKON 0xD1
#define DSP_CMD_SPKOFF 0xD3
#define DSP_CMD_SPKR(on) (0xD1 | (on ? 0:2))
#define DSP_CMD_DMAPAUSE_8 0xD0
#define DSP_CMD_DMAPAUSE_16 0xD5
#define DSP_CMD_DMAEXIT_8 0xDA
#define DSP_CMD_DMAEXIT_16 0xD9
#define DSP_CMD_TCONST 0x40 /* set time constant */
#define DSP_CMD_HSDAC 0x91 /* high speed dac */
#define DSP_CMD_HSADC 0x99 /* high speed adc */
#define DSP_CMD_GETVER 0xE1
#define DSP_CMD_GETID 0xE7 /* return id bytes */
#define DSP_CMD_OUT16 0x41 /* send parms for dma out on sb16 */
#define DSP_CMD_IN16 0x42 /* send parms for dma in on sb16 */
#if 0 /*** unknown ***/
#define DSP_CMD_FA 0xFA /* get version from prosonic*/
#define DSP_CMD_FB 0xFB /* set irq/dma for prosonic*/
#endif
/*
* in fact, for the SB16, dma commands are as follows:
*
* cmd, mode, len_low, len_high.
*
* cmd is a combination of DSP_DMA16 or DSP_DMA8 and
*/
#define DSP_DMA16 0xb0
#define DSP_DMA8 0xc0
# define DSP_F16_DAC 0x00
# define DSP_F16_ADC 0x08
# define DSP_F16_AUTO 0x04
# define DSP_F16_FIFO_ON 0x02
/*
* mode is a combination of the following:
*/
#define DSP_F16_STEREO 0x20
#define DSP_F16_SIGNED 0x10
#define IMODE_NONE 0
#define IMODE_OUTPUT PCM_ENABLE_OUTPUT
#define IMODE_INPUT PCM_ENABLE_INPUT
#define IMODE_INIT 3
#define IMODE_MIDI 4
#define NORMAL_MIDI 0
#define UART_MIDI 1
/*
* values used for bd_flags in SoundBlaster driver
*/
#define BD_F_HISPEED 0x0001 /* doing high speed ... */
#if 0
#define BD_F_JAZZ16 0x0002 /* jazz16 detected */
#define BD_F_JAZZ16_2 0x0004 /* jazz16 type 2 */
#endif
#define BD_F_DUP_MIDI 0x0008 /* duplex midi */
#define BD_F_MIX_MASK 0x0070 /* up to 8 mixers (I know of 3) */
#define BD_F_MIX_CT1335 0x0010 /* CT1335 */
#define BD_F_MIX_CT1345 0x0020 /* CT1345 */
#define BD_F_MIX_CT1745 0x0030 /* CT1745 */
#define BD_F_SB16 0x0100 /* this is a SB16 */
#define BD_F_SB16X 0x0200 /* this is a vibra16X or clone */
#if 0
#define BD_F_MIDIBUSY 0x0400 /* midi busy */
#endif
#define BD_F_ESS 0x0800 /* this is an ESS chip */
#define BD_F_DMARUN 0x2000
#define BD_F_DMARUN2 0x4000
/*
* Mixer registers of SB Pro
*/
#define VOC_VOL 0x04
#define MIC_VOL 0x0A
#define MIC_MIX 0x0A
#define RECORD_SRC 0x0C
#define IN_FILTER 0x0C
#define OUT_FILTER 0x0E
#define MASTER_VOL 0x22
#define FM_VOL 0x26
#define CD_VOL 0x28
#define LINE_VOL 0x2E
#define IRQ_NR 0x80
#define DMA_NR 0x81
#define IRQ_STAT 0x82
/*
* Additional registers on the SG NX Pro
*/
#define COVOX_VOL 0x42
#define TREBLE_LVL 0x44
#define BASS_LVL 0x46
#define FREQ_HI (1 << 3)/* Use High-frequency ANFI filters */
#define FREQ_LOW 0 /* Use Low-frequency ANFI filters */
#define FILT_ON 0 /* Yes, 0 to turn it on, 1 for off */
#define FILT_OFF (1 << 5)
#define MONO_DAC 0x00
#define STEREO_DAC 0x02
/*
* Mixer registers of SB16
*/
#define SB16_IMASK_L 0x3d
#define SB16_IMASK_R 0x3e
#define SB16_OMASK 0x3c
#endif