mirror of https://github.com/xemu-project/xemu.git
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
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* MCPX DSP DMA
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*
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* Copyright (c) 2015 espes
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DSP_DMA_H
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#define DSP_DMA_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "dsp.h"
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#include "dsp_cpu.h"
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typedef enum DSPDMARegister {
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DMA_CONFIGURATION,
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DMA_CONTROL,
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DMA_START_BLOCK,
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DMA_NEXT_BLOCK,
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} DSPDMARegister;
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typedef struct DSPDMAState {
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dsp_core_t* core;
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void *rw_opaque;
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dsp_scratch_rw_func scratch_rw;
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dsp_fifo_rw_func fifo_rw;
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uint32_t configuration;
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uint32_t control;
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uint32_t start_block;
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uint32_t next_block;
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bool error;
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bool eol;
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} DSPDMAState;
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uint32_t dsp_dma_read(DSPDMAState *s, DSPDMARegister reg);
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void dsp_dma_write(DSPDMAState *s, DSPDMARegister reg, uint32_t v);
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#endif |