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FMC TDC 1ns 5cha - Software
Commit c33b9ad3 authored by Federico Vaga's avatar Federico Vaga
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drv: put basic gennum DMA ops in header 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 1d9a21b3
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Showing with 27 additions and 18 deletions
kernel/fmc-tdc.h
View file @ c33b9ad3
......@@ -283,7 +283,6 @@ signed long fmc_sdb_find_nth_device (struct sdb_array *tree, uint64_t vid,
uint32_t *size );
void gn4124_dma_read(struct fmctdc_dev *ft, uint32_t src, void *dst, int len);
void gn4124_dma_wait_done(struct fmctdc_dev *ft);
/**
......@@ -314,6 +313,33 @@ static inline void ft_disable(struct fmctdc_dev *ft, unsigned int chan)
ft_writel(ft, ien, TDC_REG_INPUT_ENABLE);
}
/**
* It starts the DMA transfer
* @ft FmcTdc device instance
*/
static inline void gn4124_dma_abort(struct fmctdc_dev *ft)
{
dma_writel(ft, GENNUM_DMA_CTL_ABORT, GENNUM_DMA_CTL);
}
/**
* It starts the DMA transfer
* @ft FmcTdc device instance
*/
static inline void gn4124_dma_start(struct fmctdc_dev *ft)
{
dma_writel(ft, GENNUM_DMA_CTL_START, GENNUM_DMA_CTL);
}
/**
* It does an active wait until the DMA transfer is over
* @ft FmcTdc device instance
*/
static inline void gn4124_dma_wait_done(struct fmctdc_dev *ft)
{
while (!(dma_readl(ft, GENNUM_DMA_STA) & GENNUM_DMA_STA_DONE))
;
}
#endif // __KERNEL__
......
kernel/ft-core.c
View file @ c33b9ad3
......@@ -252,15 +252,6 @@ static struct ft_modlist init_subsystems[] = {
{"zio", ft_zio_init, ft_zio_exit}
};
/**
* It does an active wait until the DMA transfer is over
* @ft FmcTdc device instance
*/
void gn4124_dma_wait_done(struct fmctdc_dev *ft)
{
while (!(dma_readl(ft, GENNUM_DMA_STA) & GENNUM_DMA_STA_DONE))
;
}
/**
* It maps a host buffer and configure the DMA engine
......@@ -285,14 +276,6 @@ dma_addr_t gn4124_dma_map(struct fmctdc_dev *ft, uint32_t devmem, void *hostmem,
return dma_handle;
}
/**
* It starts the DMA transfer
* @ft FmcTdc device instance
*/
void gn4124_dma_start(struct fmctdc_dev *ft)
{
dma_writel(ft, GENNUM_DMA_CTL_START, GENNUM_DMA_CTL);
}
/**
* It unmap a given DMA buffer
......
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