5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
34 lines
813 B
C
34 lines
813 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Altera TSE SGDMA and MSGDMA Linux driver
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* Copyright (C) 2014 Altera Corporation. All rights reserved
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*/
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#include "altera_tse.h"
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#include "altera_utils.h"
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void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
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{
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u32 value = csrrd32(ioaddr, offs);
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value |= bit_mask;
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csrwr32(value, ioaddr, offs);
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}
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void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
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{
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u32 value = csrrd32(ioaddr, offs);
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value &= ~bit_mask;
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csrwr32(value, ioaddr, offs);
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}
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int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask)
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{
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u32 value = csrrd32(ioaddr, offs);
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return (value & bit_mask) ? 1 : 0;
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}
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int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask)
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{
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u32 value = csrrd32(ioaddr, offs);
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return (value & bit_mask) ? 0 : 1;
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}
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