34 lines
813 B
C
34 lines
813 B
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/* Altera TSE SGDMA and MSGDMA Linux driver
|
|
* Copyright (C) 2014 Altera Corporation. All rights reserved
|
|
*/
|
|
|
|
#include "altera_tse.h"
|
|
#include "altera_utils.h"
|
|
|
|
void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
|
|
{
|
|
u32 value = csrrd32(ioaddr, offs);
|
|
value |= bit_mask;
|
|
csrwr32(value, ioaddr, offs);
|
|
}
|
|
|
|
void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
|
|
{
|
|
u32 value = csrrd32(ioaddr, offs);
|
|
value &= ~bit_mask;
|
|
csrwr32(value, ioaddr, offs);
|
|
}
|
|
|
|
int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask)
|
|
{
|
|
u32 value = csrrd32(ioaddr, offs);
|
|
return (value & bit_mask) ? 1 : 0;
|
|
}
|
|
|
|
int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask)
|
|
{
|
|
u32 value = csrrd32(ioaddr, offs);
|
|
return (value & bit_mask) ? 0 : 1;
|
|
}
|