diff options
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r-- | arch/arm/mach-at91/include/mach/atmel-mci.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/atmel-mci.h b/arch/arm/mach-at91/include/mach/atmel-mci.h new file mode 100644 index 000000000000..998cb0c07135 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/atmel-mci.h | |||
@@ -0,0 +1,24 @@ | |||
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 */ | ||