231 lines
4.5 KiB
C
231 lines
4.5 KiB
C
/* sb16drv.h - global comment */
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/* Copyright 1984-2001 Wind River Systems, Inc. */
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/*
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modification history
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--------------------
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01c,21sep01,dat Fix ANSI violations for diab compiler
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01b,03feb00,jk updated to reflect new sb16drv.c code drop.
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01a,14oct99,jk extracted from file sb16drv.c.
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*/
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/*
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DESCRIPTION
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*/
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#ifndef __INCsb16drvh
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#define __INCsb16drvh
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#include "drv/sound/sound_dma.h"
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#include "drv/sound/sound_ioctl.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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#define INT_NUM_IRQ0 0x20
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#define INT_VEC_GET(irq) (INT_NUM_IRQ0 + irq)
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/* I/O ports */
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#define SBP( codec, x ) ( (codec) -> port + s_b_SB_##x )
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#define SBP1( port, x ) ( (port) + s_b_SB_##x )
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#define s_b_SB_RESET 0x6
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#define s_b_SB_READ 0xa
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#define s_b_SB_WRITE 0xc
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#define s_b_SB_COMMAND 0xc
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#define s_b_SB_STATUS 0xc
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#define s_b_SB_DATA_AVAIL 0xe
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#define s_b_SB_DATA_AVAIL_16 0xf
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#define s_b_SB_MIXER_ADDR 0x4
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#define s_b_SB_MIXER_DATA 0x5
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#define s_b_SB_OPL3_LEFT 0x0
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#define s_b_SB_OPL3_RIGHT 0x2
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#define s_b_SB_OPL3_BOTH 0x8
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/* dsp commands
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*/
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#define SB_DSP_SAMPLE_RATE 0x40
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#define SB_DSP_SAMPLE_RATE_OUT 0x41
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#define SB_DSP_SAMPLE_RATE_IN 0x42
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#define SB_DSP_MONO_8BIT 0xa0
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#define SB_DSP_MONO_16BIT 0xa4
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#define SB_DSP_STEREO_8BIT 0xa8
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#define SB_DSP_STEREO_16BIT 0xac
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#define SB_DSP4_OUT16_AI 0xb6
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#define SB_DSP4_IN16_AI 0xbe
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#define SB_DSP4_OUT8_AI 0xc6
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#define SB_DSP4_IN8_AI 0xce
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#define SB_DSP_DMA8_OFF 0xd0
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#define SB_DSP_SPEAKER_ON 0xd1
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#define SB_DSP_SPEAKER_OFF 0xd3
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#define SB_DSP_DMA8_ON 0xd4
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#define SB_DSP_DMA16_OFF 0xd5
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#define SB_DSP_DMA16_ON 0xd6
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#define SB_DSP_DMA16_EXIT 0xd9
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#define SB_DSP_DMA8_EXIT 0xda
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#define SB_DSP_GET_VERSION 0xe1
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/* dsp input/output formats
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*/
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#define SB_DSP4_MODE_UNS_MONO 0x00
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#define SB_DSP4_MODE_SIGN_MONO 0x10
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#define SB_DSP4_MODE_UNS_STEREO 0x20
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#define SB_DSP4_MODE_SIGN_STEREO 0x30
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/* OPL3 commands
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*/
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#define TEST_REGISTER 0x01
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#define TIMER_CONTROL_REGISTER 0x04 /* Left side */
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#define CONNECTION_SELECT_REGISTER 0x04 /* Right side */
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#define OPL3_MODE_REGISTER 0x05 /* Right side */
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#define KEYON_BLOCK 0xb0 /* Left side ???*/
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#define PERCUSSION_REGISTER 0xbd /* Left side only */
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#define TIMER1_REGISTER 0x02
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#define TIMER2_REGISTER 0x03
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/* TEST_REGISTER options
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*/
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#define ENABLE_WAVE_SELECT 0x20
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/* TIMER_CONTROL_REGISTER options
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*/
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#define IRQ_RESET 0x80
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#define TIMER1_MASK 0x40
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#define TIMER2_MASK 0x20
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/* OPL3_MODE_REGISTER options
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*/
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#define OPL3_ENABLE 0x01
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/* Mixer commands
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*/
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#define SB_MIXER_MASTER_DEV 0x30
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#define SB_MIXER_PCM_DEV 0x32
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#define SB_MIXER_SYNTH_DEV 0x34
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#define SB_MIXER_CD_DEV 0x36
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#define SB_MIXER_LINE_DEV 0x38
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#define SB_MIXER_MIC_DEV 0x3a
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#define SB_MIXER_SPEAKER_DEV 0x3b
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#define SB_MIXER_OUTPUT_SW 0x3c
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#define SB_MIXER_IGAIN_DEV 0x3f
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#define SB_MIXER_OGAIN_DEV 0x41
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#define SB_MIXER_MIC_AGC 0x43
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#define SB_MIXER_TREBLE_DEV 0x44
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#define SB_MIXER_BASS_DEV 0x46
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#define SB_MIXER_IRQ_NR 0x80
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#define SB_MIXER_DMA_NR 0x81
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#define SB_MIXER_IRQ_STAT 0x82
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#define SB_MIXER_MPU_NR 0x84
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#define RATE_MIN 4000
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#define RATE_MAX 44100
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#define MAX_DMA_MSGS 2
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#define MAX_DMA_SIZE 32768
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#define TASK_PRIORITY 0
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#define TASK_OPTIONS 0
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#define TASK_STACK_SIZE 2048
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typedef struct
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{
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char *name;
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int reg;
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int max_value;
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int shift;
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int unknownfield;
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} MIXER_INFO;
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typedef struct
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{
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char *buffer;
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int length;
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int direction;
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} DMA_MSG;
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typedef struct snd_fd_struct SND_FD;
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typedef struct dsp_fd_struct DSP_FD;
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typedef struct mixer_fd_struct MIXER_FD;
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typedef struct
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{
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DEV_HDR devHdr;
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unsigned short port; /* base port of DSP chip */
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unsigned short mpu_port; /* MPU port for SB DSP 4.0+ */
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unsigned short irq; /* IRQ number of DSP chip */
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unsigned short dma8; /* 8-bit DMA */
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unsigned short dma16; /* 16-bit DMA */
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unsigned short version; /* version of DSP chip */
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SEM_ID devSem;
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SEM_ID intSem;
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SEM_ID bufSem;
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MSG_Q_ID dmaQ;
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DSP_FD *pDsp;
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MIXER_FD *pMixer;
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int dmaIndex;
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int tid;
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int taskBusy;
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int dmaAuto;
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} SND_DEV;
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struct snd_fd_struct
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{
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SND_DEV *pDev;
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FUNCPTR fdClose;
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FUNCPTR fdRead;
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FUNCPTR fdWrite;
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FUNCPTR fdIoctl;
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};
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struct dsp_fd_struct
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{
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SND_FD dev;
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int dmaDirection;
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int dmaChannel;
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snd_info_t info;
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};
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struct mixer_fd_struct
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{
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SND_FD dev;
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};
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/* function declarations */
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#if defined(__STDC__) || defined(__cplusplus)
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STATUS sb16Drv (void);
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STATUS sb16DevCreate (char *devName, int port, int irq, int dma8, int dma16);
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#else
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STATUS sb16Drv ();
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STATUS sb16DevCreate ();
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#endif /* __STDC__ */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __INCsb16drvh */
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