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authorJames Morris <jmorris@namei.org>2010-03-30 21:39:27 (GMT)
committerJames Morris <jmorris@namei.org>2010-03-30 21:39:27 (GMT)
commitd25d6fa1a95f465ff1ec4458ca15e30b2c8dffec (patch)
tree7362b182dedd825fc762ef7706830837e42943af /drivers/dma/shdma.h
parent225a9be24d799aa16d543c31fb09f0c9ed1d9caa (diff)
parent2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff)
downloadlinux-fsl-qoriq-d25d6fa1a95f465ff1ec4458ca15e30b2c8dffec.tar.xz
Merge branch 'master' into next
Diffstat (limited to 'drivers/dma/shdma.h')
-rw-r--r--drivers/dma/shdma.h26
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/dma/shdma.h b/drivers/dma/shdma.h
index 7e227f3..153609a 100644
--- a/drivers/dma/shdma.h
+++ b/drivers/dma/shdma.h
@@ -17,23 +17,9 @@
#include <linux/interrupt.h>
#include <linux/list.h>
-#define SH_DMA_TCR_MAX 0x00FFFFFF /* 16MB */
-
-struct sh_dmae_regs {
- u32 sar; /* SAR / source address */
- u32 dar; /* DAR / destination address */
- u32 tcr; /* TCR / transfer count */
-};
+#include <asm/dmaengine.h>
-struct sh_desc {
- struct sh_dmae_regs hw;
- struct list_head node;
- struct dma_async_tx_descriptor async_tx;
- enum dma_data_direction direction;
- dma_cookie_t cookie;
- int chunks;
- int mark;
-};
+#define SH_DMA_TCR_MAX 0x00FFFFFF /* 16MB */
struct device;
@@ -47,14 +33,18 @@ struct sh_dmae_chan {
struct tasklet_struct tasklet; /* Tasklet */
int descs_allocated; /* desc count */
int xmit_shift; /* log_2(bytes_per_xfer) */
+ int irq;
int id; /* Raw id of this channel */
+ u32 __iomem *base;
char dev_id[16]; /* unique name per DMAC of channel */
};
struct sh_dmae_device {
struct dma_device common;
- struct sh_dmae_chan *chan[MAX_DMA_CHANNELS];
- struct sh_dmae_pdata pdata;
+ struct sh_dmae_chan *chan[SH_DMAC_MAX_CHANNELS];
+ struct sh_dmae_pdata *pdata;
+ u32 __iomem *chan_reg;
+ u16 __iomem *dmars;
};
#define to_sh_chan(chan) container_of(chan, struct sh_dmae_chan, common)