release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-at91/include/mach/atmel-mci.h

   1 #ifndef __MACH_ATMEL_MCI_H
   2 #define __MACH_ATMEL_MCI_H
   3
   4 #include <mach/at_hdmac.h>
   5
   6 /**
   7  * struct mci_dma_data - DMA data for MCI interface
   8  */
   9 struct mci_dma_data {
  10         struct at_dma_slave     sdata;
  11 };
  12
  13 /* accessor macros */
  14 #define slave_data_ptr(s)       (&(s)->sdata)
  15 #define find_slave_dev(s)       ((s)->sdata.dma_dev)
  16
  17 #define setup_dma_addr(s, t, r) do {            \
  18         if (s) {                                \
  19                 (s)->sdata.tx_reg = (t);        \
  20                 (s)->sdata.rx_reg = (r);        \
  21         }                                       \
  22 } while (0)
  23
  24 #endif /* __MACH_ATMEL_MCI_H */