Loading...
// 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; } |