91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Mupen64plus - ai_controller.h *
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* Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
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* Copyright (C) 2014 Bobby Smiles *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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 *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef M64P_AI_AI_CONTROLLER_H
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#define M64P_AI_AI_CONTROLLER_H
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#include <stddef.h>
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#include <stdint.h>
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#include "osal/preproc.h"
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struct r4300_core;
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struct ri_controller;
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struct vi_controller;
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enum ai_registers
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{
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AI_DRAM_ADDR_REG,
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AI_LEN_REG,
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AI_CONTROL_REG,
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AI_STATUS_REG,
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AI_DACRATE_REG,
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AI_BITRATE_REG,
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AI_REGS_COUNT
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};
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struct ai_dma
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{
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uint32_t address;
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uint32_t length;
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unsigned int duration;
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};
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struct ai_controller
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{
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uint32_t regs[AI_REGS_COUNT];
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struct ai_dma fifo[2];
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unsigned int samples_format_changed;
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/* external speaker output */
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void* user_data;
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void (*set_audio_format)(void*,unsigned int, unsigned int);
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void (*push_audio_samples)(void*,const void*,size_t);
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struct r4300_core* r4300;
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struct ri_controller* ri;
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struct vi_controller* vi;
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};
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static osal_inline uint32_t ai_reg(uint32_t address)
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{
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return (address & 0xffff) >> 2;
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}
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/* This is for enablefifofull */
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void ai_fifo_queue_int(struct ai_controller* ai);
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void set_audio_format(struct ai_controller* ai, unsigned int frequency, unsigned int bits);
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void push_audio_samples(struct ai_controller* ai, const void* buffer, size_t size);
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void connect_ai(struct ai_controller* ai,
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struct r4300_core* r4300,
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struct ri_controller* ri,
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struct vi_controller* vi);
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void init_ai(struct ai_controller* ai);
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int read_ai_regs(void* opaque, uint32_t address, uint32_t* value);
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int write_ai_regs(void* opaque, uint32_t address, uint32_t value, uint32_t mask);
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void ai_end_of_dma_event(struct ai_controller* ai);
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#endif
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