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FMC ADC 100M 14b 4cha
Commit 2851d975 authored by Federico Vaga's avatar Federico Vaga
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sw:drv: hide how we retrieve the vme_device 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 3f09211e
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Showing with 8 additions and 4 deletions
software/kernel/fa-dma.c
View file @ 2851d975
......@@ -217,13 +217,18 @@ static unsigned int zfad_block_n_pages(struct zio_block *block)
#define ADC_VME_DDR_ADDR 0x00
#define ADC_VME_DDR_DATA 0x04
#define SVEC_FUNC_NR 1 /* HARD coded in SVEC */
static inline struct vme_dev *fa_to_vme_dev(struct fa_dev *fa)
{
return to_vme_dev(fa->pdev->dev.parent->parent->parent->parent);
}
static unsigned long fa_ddr_data_vme_addr(struct fa_dev *fa)
{
struct fmc_adc_platform_data *data = fa->pdev->dev.platform_data;
struct vme_dev *vdev;
struct vme_dev *vdev = fa_to_vme_dev(fa);
unsigned long addr;
vdev = to_vme_dev(fa->pdev->dev.parent->parent->parent->parent);
if (WARN(vdev->map[SVEC_FUNC_NR].kernel_va == NULL,
"Invalid VME function\n"))
return ~0; /* invalid address, we will see VME errors */
......@@ -238,10 +243,9 @@ static unsigned long fa_ddr_data_vme_addr(struct fa_dev *fa)
static void *fa_ddr_addr_reg_off(struct fa_dev *fa)
{
struct fmc_adc_platform_data *data = fa->pdev->dev.platform_data;
struct vme_dev *vdev;
struct vme_dev *vdev = fa_to_vme_dev(fa);
void *addr;
vdev = to_vme_dev(fa->pdev->dev.parent->parent->parent->parent);
if (WARN(vdev->map[SVEC_FUNC_NR].kernel_va == NULL,
"Invalid VME function\n"))
return NULL; /* invalid address, we will see VME errors */
......
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