1 // SPDX-License-Identifier: GPL-2.0-only 2 /* Altera TSE SGDMA and MSGDMA Linux driver 3 * Copyright (C) 2014 Altera Corporation. All rights reserved 4 */ 5 6 #include "altera_tse.h" 7 #include "altera_utils.h" 8 9 void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask) 10 { 11 u32 value = csrrd32(ioaddr, offs); 12 value |= bit_mask; 13 csrwr32(value, ioaddr, offs); 14 } 15 16 void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask) 17 { 18 u32 value = csrrd32(ioaddr, offs); 19 value &= ~bit_mask; 20 csrwr32(value, ioaddr, offs); 21 } 22 23 int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask) 24 { 25 u32 value = csrrd32(ioaddr, offs); 26 return (value & bit_mask) ? 1 : 0; 27 } 28 29 int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask) 30 { 31 u32 value = csrrd32(ioaddr, offs); 32 return (value & bit_mask) ? 0 : 1; 33 } 34