drivers/dd/sound/dsp.h

   1 #define SB_TRUE         0
   2 #define SB_FALSE        1
   3
   4 #define DSP_MIXER_ADDRESS_PORT  0x04
   5 #define DSP_MIXER_DATA_PORT             0x05
   6 #define DSP_RESET_PORT                          0x06
   7 #define DSP_READ_DATA_PORT              0x0A
   8 #define DSP_WRITE_PORT                          0x0C            //Same port used for reading status and writing data
   9 #define DSP_READ_STATUS_PORT    0x0E
  10
  11 typedef unsigned char sb_status;
  12 unsigned short base;
  13 unsigned char irq,dma8,dma16;
  14 unsigned char read_dsp(unsigned short base);
  15 void write_dsp(unsigned short base,unsigned char data);
  16 //sb_status detect_dsp(SB16* sb16);
  17 sb_status reset_dsp(unsigned short base_address);