ddi_check_acc_handle , ddi_check_dma_handle - Check data access and DMA handles Solaris DDI specific (Solaris DDI)
VideoPortAssociateEventsWithDmaHandle 函数在 Windows 2000 及更高版本中已过时。VideoPortAssociateEventsWithDmaHandle 将视频显示驱动程序和视频微型端口驱动程序共享的事件与 DMA 句柄相关联。
ddi_dma_free_handle() destroys the DMA handle pointed to by handle. Any further references to the DMA handle will have undefined results. Note that ddi_dma_unbind_handle(9F) must be called prior to ddi_dma_free_handle() to free any resources the system may be caching on the handle....
VIDEOPORT_DEPRECATED VIDEOPORT_API PDMAVideoPortAssociateEventsWithDmaHandle( [in] IN PVOID HwDeviceExtension, [in, out] IN OUT PVIDEO_REQUEST_PACKET pVrp, [in] IN PVOID MappedUserEvent, [in] IN PVOID DisplayDriverEvent ); Parâmetros ...
Step 2 in peripheral open sequence mentions passing the UDMA handle to CPSW via Cpsw_Cfg::dmaCfg. But this element is commented out in the source code. How is the DMA handle attached to the CPSW?
* @handle: buffer handle to export * @flags: flags like DRM_CLOEXEC * @prime_fd: pointer to storage for the fd id of the create dma-buf * * This is the PRIME export function which must be used mandatorily by GEM * drivers to ensure correct lifetime management of the underlying GEM ...
DMA lets 8051 MCU handle dual 16-bit, 1-Msample ADCs.(Embedded)(Brief Article)
Fixes #9983. Add handling for errors that may occur during setup of an audio DMA player. audio_dma_setup_playback() calls audio_dma_load_next_block() to fill one or two buffers with audio source da...
I'm using DE1-SOC and I have a system which streaming data from a fifo in FPGA to SDRAM by msgDMA. I have controlled msgDMA to write the descriptor and read data from SDRAM successfully but I don't know how to register and handle the interrupt of...
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