Module interface:ac97-audio - AC'97 audio interface

Index

• Record AC97.3DSTEREO.DESC - AC'97 3D stereo enhancement descriptor type
  
  • Variable name - Descriptive name
  • Variable name.len - Length of name
• Record AC97.DEVICE.DESC - AC'97 known devices descriptor type
  
  • Variable name - Descriptive name
  • Variable name.len - Length of name
  • Variable vendor.id - Vendor ID
• Constant AC97.KNOWN.3DSTEREO - AC'97 known 3D stereo enhancement table
• Constant AC97.KNOWN.DEVICES - AC'97 known device table
• Group AC97.MIX - Baseline AC'97 mixer registers
  
  • Constant AC97.MIX.AUXOUT.VOL - Aux output volume
  • Constant AC97.MIX.EXT.AUDIO.ID - Extended audio ID
  • Constant AC97.MIX.MASTER.TONE - Master bass/treble control
  • Constant AC97.MIX.MASTER.VOL - Master volume control
  • Constant AC97.MIX.MONO.VOL - Mono output volume
  • Constant AC97.MIX.RESET - Reset (write), 3D stereo enhancement (if any) and feature bits (read)
  • Constant AC97.MIX.VENDORID1 - Vendor ID 1
  • Constant AC97.MIX.VENDORID2 - Vendor ID 2
• Channel type CT.AC97.AUDIO - Channel-type for interacting with AC'97 audio controllers
  
  • Variable in? - Commands to AC'97 controller
  • Variable out! - Responses from AC'97 controller
  • Variable return? - Used to close unshared connections
• Protocol P.AC97.AUDIO.IN - AC'97 controller input protocol
  
  • Tag controller.id - Get AC'97 controller id (responds with )
  • Tag disable.gpio.interrupts - Disable GPIO interrupts (no response)
  • Tag dumpstatus - Dump AC'97 controller status information to log
  • Tag enable.gpio.interrupts - Enable GPIO interrupts (no response)
  • Tag get.int.status - Get interrupt status (responds with )
  • Tag get.interrupt - Requests the associated (shared) interrupt line for the AC'97 device
  • Tag read.acc.reg - Read audio codec register
  • Tag read.reg16 - Read 16-bit ACC register (responds with )
  • Tag read.reg32 - Read 32-bit ACC register (responds with )
  • Tag write.acc.reg - Write audio codec register
  • Tag write.reg16 - Write 16-bit ACC register (responds with )
  • Tag write.reg32 - Write 32-bit ACC register (responds with )
• Protocol P.AC97.AUDIO.OUT - AC'97 controller output protocol
  
  • Tag int.lines - Requested interrupt line from device
  • Tag read.reg - Response for register reads
  • Tag result - Generic success/failure response
  • Tag string - Generic string response
  • Tag write.reg - Response for register writes

Declarations