From 5899a723b336da241b492583d7e55f1055f8f3b3 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 17 Jun 2011 08:20:40 +0000 Subject: dmaengine: shdma: add chcr_write/read function CHCR register position is not same in all DMAC. This patch adds new "chcr_offset" to decide it. Signed-off-by: Kuninori Morimoto Signed-off-by: Paul Mundt --- include/linux/sh_dma.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index b08cd4efa15c..41fe4c2d6481 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -62,6 +62,7 @@ struct sh_dmae_pdata { const unsigned int *ts_shift; int ts_shift_num; u16 dmaor_init; + unsigned int chcr_offset; }; /* DMA register */ -- cgit v1.2.3 From 67c6269e5c998b53c2c08ce2befbbe20a7b6f57f Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 17 Jun 2011 08:20:51 +0000 Subject: dmaengine: shdma: add chcr_ie_bit IE bit position on CHCR register is not same in all DMAC. This patch adds new "chcr_ie_bit" to decide it. Signed-off-by: Kuninori Morimoto Signed-off-by: Paul Mundt --- include/linux/sh_dma.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index 41fe4c2d6481..96803aa7b6bd 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -63,6 +63,7 @@ struct sh_dmae_pdata { int ts_shift_num; u16 dmaor_init; unsigned int chcr_offset; + u32 chcr_ie_bit; }; /* DMA register */ -- cgit v1.2.3 From e76c3af873025f5a704d56a28882be761e15657b Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 17 Jun 2011 08:20:56 +0000 Subject: dmaengine: shdma: add dmaor_is_32bit flag Signed-off-by: Kuninori Morimoto Signed-off-by: Paul Mundt --- include/linux/sh_dma.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index 96803aa7b6bd..f25afc61e1c6 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -64,6 +64,8 @@ struct sh_dmae_pdata { u16 dmaor_init; unsigned int chcr_offset; u32 chcr_ie_bit; + + unsigned int dmaor_is_32bit:1; }; /* DMA register */ -- cgit v1.2.3 From 260bf2c5f69f419b04b6861ca91565b5fb16ce48 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 17 Jun 2011 08:21:05 +0000 Subject: dmaengine: shdma: add .needs_tend_set / .no_dmars flags Signed-off-by: Kuninori Morimoto Signed-off-by: Paul Mundt --- include/linux/sh_dma.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux') diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index f25afc61e1c6..cb2dd118cc0f 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -66,6 +66,8 @@ struct sh_dmae_pdata { u32 chcr_ie_bit; unsigned int dmaor_is_32bit:1; + unsigned int needs_tend_set:1; + unsigned int no_dmars:1; }; /* DMA register */ @@ -75,6 +77,8 @@ struct sh_dmae_pdata { #define CHCR 0x0C #define DMAOR 0x40 +#define TEND 0x18 /* USB-DMAC */ + /* DMAOR definitions */ #define DMAOR_AE 0x00000004 #define DMAOR_NMIF 0x00000002 -- cgit v1.2.3