Scroll to navigation

STRUCT SND_DMAENGINE(9) PCM API STRUCT SND_DMAENGINE(9)

NAME

struct_snd_dmaengine_dai_dma_data - DAI DMA configuration data

SYNOPSIS

struct snd_dmaengine_dai_dma_data {
  dma_addr_t addr;
  enum dma_slave_buswidth addr_width;
  u32 maxburst;
  unsigned int slave_id;
  void * filter_data;
  const char * chan_name;
  unsigned int fifo_size;
  unsigned int flags;
};

MEMBERS

addr
Address of the DAI data source or destination register.
addr_width
Width of the DAI data source or destination register.
maxburst
Maximum number of words(note: words, as in units of the src_addr_width member, not bytes) that can be send to or received from the DAI in one burst.
slave_id
Slave requester id for the DMA channel.
filter_data
Custom DMA channel filter data, this will usually be used when requesting the DMA channel.
chan_name
Custom channel name to use when requesting DMA channel.
fifo_size
FIFO size of the DAI controller in bytes
flags
PCM_DAI flags, only SND_DMAENGINE_PCM_DAI_FLAG_PACK for now

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.