---
name: "mca_get_dma_addr"
section: "9"
platform: "linux"
package: "linux-manual-3.2"
version: "3.2.78-1"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/mca_get_dma_addr"
---

# mca\_get\_dma\_addr(9)

load a 24bit DMA address

## NAME

mca\_get\_dma\_addr - load a 24bit DMA address

## SYNOPSIS

**unsigned int mca\_get\_dma\_addr(unsigned int** *dmanr***);**

## ARGUMENTS

*dmanr*

DMA channel

## DESCRIPTION

Read the address register in the DMA controller. This has a 24bit limitation (16Mb). The return is a bus address.

## COPYRIGHT