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FMC ADC 100M 14b 4cha - Software
Commit f17ab569 authored by Federico Vaga's avatar Federico Vaga
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fmc-adc.h: move dma sg list to zfad_block 

Signed-off-by: 's avatarFederico Vaga <federico.vaga@gmail.com>
parent ac63ecc4
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Showing with 22 additions and 11 deletions
kernel/fmc-adc.h
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......@@ -84,13 +84,9 @@ struct dma_item {
*
* @n_shots: total number of programmed shots for an acquisition
* @n_fires: number of trigger fire occurred within an acquisition
* @n_trans: number of DMA transfer done for an acquisition
*
* DMA variable: these variables are used by the fa-dma.c engine
* @sgt: scatter/gather table
* @items: vector of dma_item for a single DMA transfer
* @dma_list_item: contains the address of items mapped for DMA access. The
* device will access items to retrive information about the
* DMA items to transfer.
* @n_dma_err: number of errors
* @lst_dev_mem: contains the device address where last block is stored.
* FIXME when it reset?
* @cur_dev_mem: contains the device address to the current block of data in
......@@ -106,11 +102,11 @@ struct fa_dev {
/* Acquisition */
unsigned int n_shots;
unsigned int n_fires;
unsigned int n_trans;
/* Statistic informations */
unsigned int n_dma_err;
/* DMA variable */
struct sg_table sgt;
struct dma_item *items;
dma_addr_t dma_list_item;
uint32_t lst_dev_mem;
uint32_t cur_dev_mem;
......@@ -124,8 +120,23 @@ struct fa_dev {
struct fa_calibration_data dac_cal_data[3];
};
extern int zfad_map_dma(struct zio_cset *cset);
extern void zfad_unmap_dma(struct zio_cset *cset);
/*
*
*/
struct zfad_block {
struct zio_block *block;
unsigned int dev_addr;
struct sg_table sgt;
struct dma_item *items;
dma_addr_t dma_list_item;
uint32_t dev_mem_ptr;
};
extern int zfad_map_dma(struct zio_cset *cset,
struct zfad_block *zfad_block);
extern void zfad_unmap_dma(struct zio_cset *cset,
struct zfad_block *zfad_block);
/* Device registers */
enum zfadc_dregs_enum {
......
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