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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/twl_wrapsdk/trunk@105 4ee2a332-4b2b-5046-8439-1ba90f034370

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Shirait 2007-06-05 11:47:58 +00:00
parent 538057553a
commit 2de1f81dcc
1 changed files with 190 additions and 0 deletions
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190
build/libraries/mi/common/mi_dma_patch.c Normal file
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#include <nitro.h>
#include <mi_dma.h>
#define MI_CNT_RECV16(size) ( MI_DMA_IMM16ENABLE | MI_DMA_SRC_FIX | MI_DMA_DEST_INC | ((size)/2) )
#define MI_CNT_RECV32(size) ( MI_DMA_IMM32ENABLE | MI_DMA_SRC_FIX | MI_DMA_DEST_INC | ((size)/4) )
#define MI_CNT_RECV16_IF(size) ( MI_CNT_RECV16((size)) | MI_DMA_IF_ENABLE )
#define MI_CNT_RECV32_IF(size) ( MI_CNT_RECV32((size)) | MI_DMA_IF_ENABLE )
/*---------------------------------------------------------------------------*
Name: MI_DmaRecv32
Description: send u32 data to fixed address
sync 32bit version
Arguments: dmaNo : DMA channel No.
src : data stream to send
dest : destination address. not incremented
size : size (byte)
Returns: None
*---------------------------------------------------------------------------*/
void MI_DmaRecv32(u32 dmaNo, const void *src, volatile void *dest, u32 size)
{
vu32 *dmaCntp;
MIi_ASSERT_DMANO(dmaNo);
MIi_ASSERT_MUL4(size);
MIi_ASSERT_SIZE(dmaNo, size / 4);
MIi_ASSERT_SRC_ALIGN4(src);
MIi_ASSERT_DEST_ALIGN4(dest);
MIi_WARNING_ADDRINTCM(src, size);
MIi_WARNING_ADDRINTCM(dest, size);
//---- check DMA0 source address
MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, MI_DMA_SRC_FIX);
if (size == 0)
{
return;
}
MIi_Wait_BeforeDMA(dmaCntp, dmaNo);
MIi_DmaSetParams_wait(dmaNo, (u32)src, (u32)dest, MI_CNT_RECV32(size));
MIi_Wait_AfterDMA(dmaCntp);
}
/*---------------------------------------------------------------------------*
Name: MI_DmaRecv16
Description: send u16 data to fixed address
sync 16bit version
Arguments: dmaNo : DMA channel No.
src : data stream to send
dest : destination address. not incremented
size : size (byte)
Returns: None
*---------------------------------------------------------------------------*/
void MI_DmaRecv16(u32 dmaNo, const void *src, volatile void *dest, u32 size)
{
vu32 *dmaCntp;
MIi_ASSERT_DMANO(dmaNo);
MIi_ASSERT_MUL2(size);
MIi_ASSERT_SIZE(dmaNo, size / 2);
MIi_ASSERT_SRC_ALIGN2(src);
MIi_ASSERT_DEST_ALIGN2(dest);
MIi_WARNING_ADDRINTCM(src, size);
MIi_WARNING_ADDRINTCM(dest, size);
if (size == 0)
{
return;
}
//---- check DMA0 source address
MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, MI_DMA_SRC_FIX);
MIi_Wait_BeforeDMA(dmaCntp, dmaNo);
MIi_DmaSetParams_wait(dmaNo, (u32)src, (u32)dest, MI_CNT_RECV16(size));
MIi_Wait_AfterDMA(dmaCntp);
}
/*---------------------------------------------------------------------------*
Name: MI_DmaRecv32Async
Description: send u32 data to fixed address
async 32bit version
Arguments: dmaNo : DMA channel No.
src : data stream to send
dest : destination address. not incremented
size : size (byte)
callback : callback function called finish DMA
arg : callback argument
Returns: None
*---------------------------------------------------------------------------*/
void MI_DmaRecv32Async(u32 dmaNo, const void *src, volatile void *dest, u32 size,
MIDmaCallback callback, void *arg)
{
MIi_ASSERT_DMANO(dmaNo);
MIi_ASSERT_MUL4(size);
MIi_ASSERT_SIZE(dmaNo, size / 4);
MIi_ASSERT_SRC_ALIGN4(src);
MIi_ASSERT_DEST_ALIGN4(dest);
MIi_WARNING_ADDRINTCM(src, size);
MIi_WARNING_ADDRINTCM(dest, size);
//---- check DMA0 source address
MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, MI_DMA_SRC_FIX);
if (size == 0)
{
MIi_CallCallback(callback, arg);
}
else
{
MI_WaitDma(dmaNo);
if (callback)
{
OSi_EnterDmaCallback(dmaNo, callback, arg);
MIi_DmaSetParams(dmaNo, (u32)src, (u32)dest, MI_CNT_RECV32_IF(size));
}
else
{
MIi_DmaSetParams(dmaNo, (u32)src, (u32)dest, MI_CNT_RECV32(size));
}
}
}
/*---------------------------------------------------------------------------*
Name: MI_DmaRecv16Async
Description: send u16 data to fixed address
async 16bit version
Arguments: dmaNo : DMA channel No.
src : data stream to send
dest : destination address. not incremented
size : size (byte)
callback : callback function called finish DMA
arg : callback argument
Returns: None
*---------------------------------------------------------------------------*/
void MI_DmaRecv16Async(u32 dmaNo, const void *src, volatile void *dest, u32 size,
MIDmaCallback callback, void *arg)
{
MIi_ASSERT_DMANO(dmaNo);
MIi_ASSERT_MUL2(size);
MIi_ASSERT_SIZE(dmaNo, size / 2);
MIi_ASSERT_SRC_ALIGN2(src);
MIi_ASSERT_DEST_ALIGN2(dest);
MIi_WARNING_ADDRINTCM(src, size);
MIi_WARNING_ADDRINTCM(dest, size);
//---- check DMA0 source address
MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, MI_DMA_SRC_FIX);
if (size == 0)
{
MIi_CallCallback(callback, arg);
}
else
{
MI_WaitDma(dmaNo);
if (callback)
{
OSi_EnterDmaCallback(dmaNo, callback, arg);
MIi_DmaSetParams(dmaNo, (u32)src, (u32)dest, MI_CNT_RECV16_IF(size));
}
else
{
MIi_DmaSetParams(dmaNo, (u32)src, (u32)dest, MI_CNT_RECV16(size));
}
}
}