On Wed, 2006-02-22 at 08:42 -0800, munees waran wrote: > DPRAM is memory mapped with PCI card. If i want to do data transfer > from dpram to local memory, what is the procedure?. > > I will get the base address of DPRAM using pci_resource_start() and > pci_resource_end() API calls. I will enable the bus master capability > using pci_set_master() API call. Then how do initiate the transfer. > you mean PCI card will have specific registers for configuration like > source address, enable/disable dma operations. Is my understanding > correct ? > yes. the card needs to be told to do the transfer, IF it can do it. If not, memcpy_from_io() is all you have left ;) -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
