diff options
author | NeilBrown <neilb@suse.de> | 2012-08-01 20:40:02 +1000 |
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committer | NeilBrown <neilb@suse.de> | 2012-08-01 20:40:02 +1000 |
commit | bb181e2e48f8c85db08c9cb015cbba9618dbf05c (patch) | |
tree | 191bc24dd97bcb174535cc217af082f16da3b43d /include/linux/sh_dma.h | |
parent | d57368afe63b3b7b45ce6c2b8c5276417935be2f (diff) | |
parent | c039c332f23e794deb6d6f37b9f07ff3b27fb2cf (diff) |
Merge commit 'c039c332f23e794deb6d6f37b9f07ff3b27fb2cf' into md
Pull in pre-requisites for adding raid10 support to dm-raid.
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 425450b980b..b64d6bec6f9 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 |