diff options
Diffstat (limited to 'drivers/dma/dw_dmac_regs.h')
| -rw-r--r-- | drivers/dma/dw_dmac_regs.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/dma/dw_dmac_regs.h b/drivers/dma/dw_dmac_regs.h index 5eef6946a367..f298f69ecbf9 100644 --- a/drivers/dma/dw_dmac_regs.h +++ b/drivers/dma/dw_dmac_regs.h @@ -13,6 +13,18 @@ #define DW_DMA_MAX_NR_CHANNELS 8 +/* flow controller */ +enum dw_dma_fc { + DW_DMA_FC_D_M2M, + DW_DMA_FC_D_M2P, + DW_DMA_FC_D_P2M, + DW_DMA_FC_D_P2P, + DW_DMA_FC_P_P2M, + DW_DMA_FC_SP_P2P, + DW_DMA_FC_P_M2P, + DW_DMA_FC_DP_P2P, +}; + /* * Redefine this macro to handle differences between 32- and 64-bit * addressing, big vs. little endian, etc. @@ -146,13 +158,15 @@ struct dw_dma_chan { /* these other elements are all protected by lock */ unsigned long flags; - dma_cookie_t completed; struct list_head active_list; struct list_head queue; struct list_head free_list; struct dw_cyclic_desc *cdesc; unsigned int descs_allocated; + + /* configuration passed via DMA_SLAVE_CONFIG */ + struct dma_slave_config dma_sconfig; }; static inline struct dw_dma_chan_regs __iomem * |