diff options
Diffstat (limited to 'include/linux/sh_dma.h')
| -rw-r--r-- | include/linux/sh_dma.h | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index 425450b..b64d6be 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -10,38 +10,27 @@ #ifndef SH_DMA_H #define SH_DMA_H -#include <linux/list.h> #include <linux/dmaengine.h> +#include <linux/list.h> +#include <linux/shdma-base.h> +#include <linux/types.h> + +struct device; /* Used by slave DMA clients to request DMA to/from a specific peripheral */ struct sh_dmae_slave { - unsigned int slave_id; /* Set by the platform */ - struct device *dma_dev; /* Set by the platform */ - const struct sh_dmae_slave_config *config; /* Set by the driver */ -}; - -struct sh_dmae_regs { - u32 sar; /* SAR / source address */ - u32 dar; /* DAR / destination address */ - u32 tcr; /* TCR / transfer count */ -}; - -struct sh_desc { - struct sh_dmae_regs hw; - struct list_head node; - struct dma_async_tx_descriptor async_tx; - enum dma_transfer_direction direction; - dma_cookie_t cookie; - size_t partial; - int chunks; - int mark; + struct shdma_slave shdma_slave; /* Set by the platform */ }; +/* + * Supplied by platforms to specify, how a DMA channel has to be configured for + * a certain peripheral + */ struct sh_dmae_slave_config { - unsigned int slave_id; - dma_addr_t addr; - u32 chcr; - char mid_rid; + int slave_id; + dma_addr_t addr; + u32 chcr; + char mid_rid; }; struct sh_dmae_channel { @@ -110,4 +99,6 @@ struct sh_dmae_pdata { #define CHCR_TE 0x00000002 #define CHCR_IE 0x00000004 +bool shdma_chan_filter(struct dma_chan *chan, void *arg); + #endif |