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/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#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;
}
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