+++ /dev/null
-/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * FILE: mkernel/modules/sound/sound.c
- * PURPOSE: SoundBlaster 16 Driver
- * PROGRAMMER: Snatched from David Welch (welch@mcmail.com)
- * Modified for Soundblaster by Robert Bergkvist (fragdance@hotmail.com)
- * UPDATE HISTORY:
- * ??/??/??: Created
- *
- */
-
-/* FUNCTIONS **************************************************************/
-
-#include <ntddk.h>
-#include <string.h>
-#include <devices.h>
-
-#include "sb16.h"
-#include "dsp.h"
-#include "mixer.h"
-#include "in.h"
-#include "wave.h"
-
-#define NDEBUG
-#include <debug.h>
-
-SB16 sb16;
-
-ULONG OldIRQ;
-PKINTERRUPT IrqObject;
-
-static BOOLEAN NTAPI DMAOutputISR(PKINTERRUPT Interrupt, PVOID ServiceContext)
-{
- DPRINT1("interrupt\n");
- return FALSE;
-}
-
-void sb16_play(WAVE_HDR* wave)
-{
- ULONG MappedIrq;
- KIRQL Dirql;
- KAFFINITY Affinity;
- PKINTERRUPT IrqObject;
- unsigned int newmask;
-
- unsigned int i;
- unsigned int tmp[255];
- i=0;
- dump_wav(wave);
- do
- {
-// tmp[i++]=get_dma_page(0x0fffff);
-// DPRINT1("0x%x ",tmp[i-1]);
- }
- while((tmp[i-1]&0xffff)!=0);
- // free_page((tmp[0]),i-1);
- sb16.buffer=((unsigned char*)tmp[i-1]);
-
- /*
- * Because this is used by almost every subsystem including irqs it
- * must be atomic. The following code sequence disables interrupts after
- * saving the previous state of the interrupt flag
- */
-
- _disable();
-
- memcpy(sb16.buffer,(&wave->data),wave->dLen);
-
-
- MappedIrq = HalGetInterruptVector(Internal,0,0,8+sb16.irq,&Dirql,&Affinity);
-
-
-
- IoConnectInterrupt(&IrqObject,DMAOutputISR,0,NULL,MappedIrq,Dirql,Dirql,0,FALSE,Affinity,FALSE);
-
- // mask=inb(0x21);
- newmask=((int)1<<sb16.irq);
- // outb(0x21,(mask&~newmask));
-
- // Restore the interrupt flag
- _enable();
-
-
-
- // disable_dma(sb16.dma8);
- //outb(0x0a,5);
- // clear_dma_ff(1);
- //outb(0xc,0);
- // set_dma_count(1,wave->dLen);
- //set_dma_mode(1,DMA_MODE_WRITE);
- //outb(0xb,0x49);
- //outb(0x3,(wave->dLen)&0xff);
- //outb(0x3,((unsigned int)(wave->dLen)>>8)&0xff);
- //set_dma_addr(sb16.dma8,(unsigned int)sb16.buffer);
- //outb(0x83,(((unsigned int)(sb16.buffer-IDMAP_BASE)>>16))&0xf);
- //outb(0x2,((unsigned int)sb16.buffer&0xff));
- //outb(0x2,(((unsigned int)(sb16.buffer-IDMAP_BASE)>>8))&0xff);
- //enable_dma(sb16.dma8);
- //outb(0xa,1);
-
- write_dsp(sb16.base,0x00D1);
-
- write_dsp(sb16.base,0x40);
- write_dsp(sb16.base,((unsigned char)256-(1000000/wave->nSamplesPerSec)));
-
-// outb(sb16.base + 4, (int) 0xa);
-// outb(sb16.base + 5, (int) 0x00);
-
-// outb(sb16.base + 4, (int) 4);
-// outb(sb16.base + 5, (int) 0xFF);
-
-// outb(sb16.base + 4, (int) 0x22);
-// outb(sb16.base + 5, (int) 0xFF);
-
- write_dsp(sb16.base,0x14);
- write_dsp(sb16.base,(wave->dLen&0x00ff));
- write_dsp(sb16.base,((wave->dLen)&0xff00)>>8);
-
-// write_dsp(sb16.base,0xc0);
-// write_dsp(sb16.base,0x0);
-// OldIRQ=HalGetInterruptVector(Internal,0,0,irq+8,&irql,&affinity);
-// DPRINT1("OldIRQ: 0x%x\n",OldIRQ);
-
-// status=IoConnectInterrupt(&IrqObject,playRoutine,0,NULL,OldIRQ,irql,irql,0,FALSE,affinity,FALSE);
-// if(status!=STATUS_SUCCESS) DPRINT1("Couldn't set irq\n");
-// else DPRINT1("IRQ set\n");
-
-}
-
-void dump_wav(WAVE_HDR* wave)
-{
- DPRINT1("wave.rID: %c%c%c%c\n",wave->rID[0],wave->rID[1],wave->rID[2],wave->rID[3]);
- DPRINT1("wave.rLen: 0x%x\n",wave->rLen);
- DPRINT1("wave.wID: %c%c%c%c\n",wave->wID[0],wave->wID[1],wave->wID[2],wave->wID[3]);
- DPRINT1("wave.fID: %c%c%c%c\n",wave->fID[0],wave->fID[1],wave->fID[2],wave->fID[3]);
- DPRINT1("wave.fLen: 0x%x\n",wave->fLen);
- DPRINT1("wave.wFormatTag: 0x%x\n",wave->wFormatTag);
- DPRINT1("wave.nChannels: 0x%x\n",wave->nChannels);
- DPRINT1("wave.nSamplesPerSec: 0x%x\n",wave->nSamplesPerSec);
- DPRINT1("wave.nAvgBytesPerSec: 0x%x\n",wave->nAvgBytesPerSec);
- DPRINT1("wave.nBlockAlign: 0x%x\n",wave->nBlockAlign);
- DPRINT1("wave.FormatSpecific: 0x%x\n",wave->FormatSpecific);
- DPRINT1("wave.dID: %c%c%c%c\n",wave->dID[0],wave->dID[1],wave->dID[2],wave->dID[3]);
- DPRINT1("wave.dLen: 0x%x\n",wave->dLen);
-}
-
-BOOLEAN playRoutine(PKINTERRUPT Interrupt,PVOID ServiceContext)
-{
- return FALSE;
-}